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1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
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2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
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3 | |
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4 | #define NDEBUG 1 /* perl usually disables NDEBUG later */ |
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5 | |
1 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
2 | |
7 | |
3 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
4 | #define PERL_EXT |
9 | #define PERL_EXT |
5 | |
10 | |
6 | #include "EXTERN.h" |
11 | #include "EXTERN.h" |
7 | #include "perl.h" |
12 | #include "perl.h" |
8 | #include "XSUB.h" |
13 | #include "XSUB.h" |
9 | #include "perliol.h" |
14 | #include "perliol.h" |
10 | |
15 | |
11 | #include "patchlevel.h" |
16 | #include "schmorp.h" |
12 | |
17 | |
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18 | #define ECB_NO_THREADS 1 |
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19 | #include "ecb.h" |
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20 | |
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21 | #include <stddef.h> |
13 | #include <stdio.h> |
22 | #include <stdio.h> |
14 | #include <errno.h> |
23 | #include <errno.h> |
15 | #include <assert.h> |
24 | #include <assert.h> |
16 | |
25 | |
17 | #ifdef WIN32 |
26 | #ifndef SVs_PADSTALE |
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27 | # define SVs_PADSTALE 0 |
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28 | #endif |
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29 | |
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30 | #ifdef PadARRAY |
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31 | # define NEWPADAPI 1 |
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32 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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33 | #else |
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34 | typedef AV PADNAMELIST; |
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35 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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36 | typedef AV PADLIST; |
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37 | typedef AV PAD; |
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38 | # endif |
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39 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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40 | # define PadlistMAX(pl) AvFILLp (pl) |
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41 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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42 | # define PadARRAY AvARRAY |
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43 | # define PadMAX AvFILLp |
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44 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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45 | #endif |
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46 | |
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47 | #if defined(_WIN32) |
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48 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
49 | # undef setjmp |
19 | # undef longjmp |
50 | # undef longjmp |
20 | # undef _exit |
51 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
52 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
53 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
54 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
55 | #endif |
25 | |
56 | |
26 | #ifdef HAVE_MMAP |
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27 | # include <unistd.h> |
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28 | # include <sys/mman.h> |
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29 | # ifndef MAP_ANONYMOUS |
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30 | # ifdef MAP_ANON |
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31 | # define MAP_ANONYMOUS MAP_ANON |
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32 | # else |
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33 | # undef HAVE_MMAP |
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34 | # endif |
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35 | # endif |
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36 | # include <limits.h> |
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37 | # ifndef PAGESIZE |
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38 | # define PAGESIZE pagesize |
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39 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
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40 | static long pagesize; |
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41 | # else |
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42 | # define BOOT_PAGESIZE (void)0 |
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43 | # endif |
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44 | #else |
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45 | # define PAGESIZE 0 |
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46 | # define BOOT_PAGESIZE (void)0 |
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47 | #endif |
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48 | |
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49 | #if CORO_USE_VALGRIND |
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50 | # include <valgrind/valgrind.h> |
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51 | #endif |
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52 | |
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53 | /* the maximum number of idle cctx that will be pooled */ |
57 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
58 | static int cctx_max_idle = 4; |
55 | |
59 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
60 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
57 | (PERL_REVISION > (a) \ |
61 | # define HAS_SCOPESTACK_NAME 1 |
58 | || (PERL_REVISION == (a) \ |
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59 | && (PERL_VERSION > (b) \ |
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60 | || (PERL_VERSION == (b) && PERL_SUBVERSION >= (c))))) |
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61 | |
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62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
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63 | # ifndef PL_ppaddr |
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64 | # define PL_ppaddr ppaddr |
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65 | # endif |
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66 | # ifndef call_sv |
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67 | # define call_sv perl_call_sv |
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68 | # endif |
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69 | # ifndef get_sv |
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70 | # define get_sv perl_get_sv |
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71 | # endif |
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72 | # ifndef get_cv |
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73 | # define get_cv perl_get_cv |
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74 | # endif |
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75 | # ifndef IS_PADGV |
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76 | # define IS_PADGV(v) 0 |
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77 | # endif |
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78 | # ifndef IS_PADCONST |
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79 | # define IS_PADCONST(v) 0 |
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80 | # endif |
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81 | #endif |
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82 | |
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83 | /* 5.11 */ |
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84 | #ifndef CxHASARGS |
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85 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
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86 | #endif |
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87 | |
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88 | /* 5.10.0 */ |
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89 | #ifndef SvREFCNT_inc_NN |
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90 | # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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91 | #endif |
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92 | |
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93 | /* 5.8.8 */ |
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94 | #ifndef GV_NOTQUAL |
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95 | # define GV_NOTQUAL 0 |
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96 | #endif |
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97 | #ifndef newSV |
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98 | # define newSV(l) NEWSV(0,l) |
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99 | #endif |
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100 | #ifndef CvISXSUB_on |
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101 | # define CvISXSUB_on(cv) (void)cv |
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102 | #endif |
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103 | #ifndef CvISXSUB |
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104 | # define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE) |
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105 | #endif |
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106 | #ifndef Newx |
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107 | # define Newx(ptr,nitems,type) New (0,ptr,nitems,type) |
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108 | #endif |
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109 | |
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110 | /* 5.8.7 */ |
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111 | #ifndef SvRV_set |
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112 | # define SvRV_set(s,v) SvRV(s) = (v) |
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113 | #endif |
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114 | |
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115 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
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116 | # undef CORO_STACKGUARD |
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117 | #endif |
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118 | |
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119 | #ifndef CORO_STACKGUARD |
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120 | # define CORO_STACKGUARD 0 |
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121 | #endif |
62 | #endif |
122 | |
63 | |
123 | /* prefer perl internal functions over our own? */ |
64 | /* prefer perl internal functions over our own? */ |
124 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
65 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
125 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
66 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
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133 | #else |
74 | #else |
134 | # define dSTACKLEVEL volatile void *stacklevel |
75 | # define dSTACKLEVEL volatile void *stacklevel |
135 | # define STACKLEVEL ((void *)&stacklevel) |
76 | # define STACKLEVEL ((void *)&stacklevel) |
136 | #endif |
77 | #endif |
137 | |
78 | |
138 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
79 | #define IN_DESTRUCT PL_dirty |
139 | |
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140 | #if __GNUC__ >= 3 |
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141 | # define attribute(x) __attribute__(x) |
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142 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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143 | # define INLINE static inline |
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144 | #else |
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145 | # define attribute(x) |
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146 | # define expect(expr,value) (expr) |
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147 | # define INLINE static |
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148 | #endif |
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149 | |
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150 | #define expect_false(expr) expect ((expr) != 0, 0) |
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151 | #define expect_true(expr) expect ((expr) != 0, 1) |
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152 | |
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153 | #define NOINLINE attribute ((noinline)) |
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154 | |
80 | |
155 | #include "CoroAPI.h" |
81 | #include "CoroAPI.h" |
156 | #define GCoroAPI (&coroapi) /* very sneaky */ |
82 | #define GCoroAPI (&coroapi) /* very sneaky */ |
157 | |
83 | |
158 | #ifdef USE_ITHREADS |
84 | #ifdef USE_ITHREADS |
159 | # if CORO_PTHREAD |
85 | # if CORO_PTHREAD |
160 | static void *coro_thx; |
86 | static void *coro_thx; |
161 | # endif |
87 | # endif |
162 | #endif |
88 | #endif |
163 | |
89 | |
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90 | #ifdef __linux |
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91 | # include <time.h> /* for timespec */ |
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92 | # include <syscall.h> /* for SYS_* */ |
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93 | # ifdef SYS_clock_gettime |
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94 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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95 | # define CORO_CLOCK_MONOTONIC 1 |
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96 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
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97 | # endif |
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98 | #endif |
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99 | |
164 | static double (*nvtime)(); /* so why doesn't it take void? */ |
100 | static double (*nvtime)(); /* so why doesn't it take void? */ |
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101 | static void (*u2time)(pTHX_ UV ret[2]); |
165 | |
102 | |
166 | /* we hijack an hopefully unused CV flag for our purposes */ |
103 | /* we hijack an hopefully unused CV flag for our purposes */ |
167 | #define CVf_SLF 0x4000 |
104 | #define CVf_SLF 0x4000 |
168 | static OP *pp_slf (pTHX); |
105 | static OP *pp_slf (pTHX); |
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106 | static void slf_destroy (pTHX_ struct coro *coro); |
169 | |
107 | |
170 | static U32 cctx_gen; |
108 | static U32 cctx_gen; |
171 | static size_t cctx_stacksize = CORO_STACKSIZE; |
109 | static size_t cctx_stacksize = CORO_STACKSIZE; |
172 | static struct CoroAPI coroapi; |
110 | static struct CoroAPI coroapi; |
173 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
111 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
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190 | static SV *sv_pool_size; |
128 | static SV *sv_pool_size; |
191 | static SV *sv_async_pool_idle; /* description string */ |
129 | static SV *sv_async_pool_idle; /* description string */ |
192 | static AV *av_async_pool; /* idle pool */ |
130 | static AV *av_async_pool; /* idle pool */ |
193 | static SV *sv_Coro; /* class string */ |
131 | static SV *sv_Coro; /* class string */ |
194 | static CV *cv_pool_handler; |
132 | static CV *cv_pool_handler; |
195 | static CV *cv_coro_state_new; |
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196 | |
133 | |
197 | /* Coro::AnyEvent */ |
134 | /* Coro::AnyEvent */ |
198 | static SV *sv_activity; |
135 | static SV *sv_activity; |
199 | |
136 | |
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137 | /* enable processtime/realtime profiling */ |
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138 | static char enable_times; |
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139 | typedef U32 coro_ts[2]; |
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140 | static coro_ts time_real, time_cpu; |
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141 | static char times_valid; |
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142 | |
200 | static struct coro_cctx *cctx_first; |
143 | static struct coro_cctx *cctx_first; |
201 | static int cctx_count, cctx_idle; |
144 | static int cctx_count, cctx_idle; |
202 | |
145 | |
203 | enum { |
146 | enum |
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147 | { |
204 | CC_MAPPED = 0x01, |
148 | CC_MAPPED = 0x01, |
205 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
149 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
206 | CC_TRACE = 0x04, |
150 | CC_TRACE = 0x04, |
207 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
151 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
208 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
152 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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213 | typedef struct coro_cctx |
157 | typedef struct coro_cctx |
214 | { |
158 | { |
215 | struct coro_cctx *next; |
159 | struct coro_cctx *next; |
216 | |
160 | |
217 | /* the stack */ |
161 | /* the stack */ |
218 | void *sptr; |
162 | struct coro_stack stack; |
219 | size_t ssize; |
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220 | |
163 | |
221 | /* cpu state */ |
164 | /* cpu state */ |
222 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
165 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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166 | #ifndef NDEBUG |
223 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
167 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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168 | #endif |
224 | JMPENV *top_env; |
169 | JMPENV *top_env; |
225 | coro_context cctx; |
170 | coro_context cctx; |
226 | |
171 | |
227 | U32 gen; |
172 | U32 gen; |
228 | #if CORO_USE_VALGRIND |
173 | #if CORO_USE_VALGRIND |
229 | int valgrind_id; |
174 | int valgrind_id; |
230 | #endif |
175 | #endif |
231 | unsigned char flags; |
176 | unsigned char flags; |
232 | } coro_cctx; |
177 | } coro_cctx; |
233 | |
178 | |
234 | coro_cctx *cctx_current; /* the currently running cctx */ |
179 | static coro_cctx *cctx_current; /* the currently running cctx */ |
235 | |
180 | |
236 | /*****************************************************************************/ |
181 | /*****************************************************************************/ |
237 | |
182 | |
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183 | static MGVTBL coro_state_vtbl; |
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184 | |
238 | enum { |
185 | enum |
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186 | { |
239 | CF_RUNNING = 0x0001, /* coroutine is running */ |
187 | CF_RUNNING = 0x0001, /* coroutine is running */ |
240 | CF_READY = 0x0002, /* coroutine is ready */ |
188 | CF_READY = 0x0002, /* coroutine is ready */ |
241 | CF_NEW = 0x0004, /* has never been switched to */ |
189 | CF_NEW = 0x0004, /* has never been switched to */ |
242 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
190 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
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191 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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192 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
243 | }; |
193 | }; |
244 | |
194 | |
245 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
195 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
246 | typedef struct |
196 | typedef struct |
247 | { |
197 | { |
248 | SV *defsv; |
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249 | AV *defav; |
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250 | SV *errsv; |
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251 | SV *irsgv; |
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252 | #define VAR(name,type) type name; |
198 | #define VARx(name,expr,type) type name; |
253 | # include "state.h" |
199 | #include "state.h" |
254 | #undef VAR |
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255 | } perl_slots; |
200 | } perl_slots; |
256 | |
201 | |
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202 | /* how many context stack entries do we need for perl_slots */ |
257 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
203 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
258 | |
204 | |
259 | /* this is a structure representing a perl-level coroutine */ |
205 | /* this is a structure representing a perl-level coroutine */ |
260 | struct coro { |
206 | struct coro |
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207 | { |
261 | /* the C coroutine allocated to this perl coroutine, if any */ |
208 | /* the C coroutine allocated to this perl coroutine, if any */ |
262 | coro_cctx *cctx; |
209 | coro_cctx *cctx; |
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210 | |
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211 | /* ready queue */ |
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212 | struct coro *next_ready; |
263 | |
213 | |
264 | /* state data */ |
214 | /* state data */ |
265 | struct CoroSLF slf_frame; /* saved slf frame */ |
215 | struct CoroSLF slf_frame; /* saved slf frame */ |
266 | AV *mainstack; |
216 | AV *mainstack; |
267 | perl_slots *slot; /* basically the saved sp */ |
217 | perl_slots *slot; /* basically the saved sp */ |
268 | |
218 | |
269 | CV *startcv; /* the CV to execute */ |
219 | CV *startcv; /* the CV to execute */ |
270 | AV *args; /* data associated with this coroutine (initial args) */ |
220 | AV *args; /* data associated with this coroutine (initial args) */ |
271 | int refcnt; /* coroutines are refcounted, yes */ |
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272 | int flags; /* CF_ flags */ |
221 | int flags; /* CF_ flags */ |
273 | HV *hv; /* the perl hash associated with this coro, if any */ |
222 | HV *hv; /* the perl hash associated with this coro, if any */ |
274 | void (*on_destroy)(pTHX_ struct coro *coro); |
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275 | |
223 | |
276 | /* statistics */ |
224 | /* statistics */ |
277 | int usecount; /* number of transfers to this coro */ |
225 | int usecount; /* number of transfers to this coro */ |
278 | |
226 | |
279 | /* coro process data */ |
227 | /* coro process data */ |
280 | int prio; |
228 | int prio; |
281 | SV *except; /* exception to be thrown */ |
229 | SV *except; /* exception to be thrown */ |
282 | SV *rouse_cb; |
230 | SV *rouse_cb; /* last rouse callback */ |
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231 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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232 | AV *status; /* the exit status list */ |
283 | |
233 | |
284 | /* async_pool */ |
234 | /* async_pool */ |
285 | SV *saved_deffh; |
235 | SV *saved_deffh; |
286 | SV *invoke_cb; |
236 | SV *invoke_cb; |
287 | AV *invoke_av; |
237 | AV *invoke_av; |
288 | |
238 | |
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239 | /* on_enter/on_leave */ |
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240 | AV *on_enter; |
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241 | AV *on_leave; |
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242 | |
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243 | /* swap_sv */ |
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244 | AV *swap_sv; |
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245 | |
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246 | /* times */ |
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247 | coro_ts t_cpu, t_real; |
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248 | |
289 | /* linked list */ |
249 | /* linked list */ |
290 | struct coro *next, *prev; |
250 | struct coro *next, *prev; |
291 | }; |
251 | }; |
292 | |
252 | |
293 | typedef struct coro *Coro__State; |
253 | typedef struct coro *Coro__State; |
294 | typedef struct coro *Coro__State_or_hashref; |
254 | typedef struct coro *Coro__State_or_hashref; |
295 | |
255 | |
296 | /* the following variables are effectively part of the perl context */ |
256 | /* the following variables are effectively part of the perl context */ |
297 | /* and get copied between struct coro and these variables */ |
257 | /* and get copied between struct coro and these variables */ |
298 | /* the mainr easonw e don't support windows process emulation */ |
258 | /* the main reason we don't support windows process emulation */ |
299 | static struct CoroSLF slf_frame; /* the current slf frame */ |
259 | static struct CoroSLF slf_frame; /* the current slf frame */ |
300 | |
260 | |
301 | /** Coro ********************************************************************/ |
261 | /** Coro ********************************************************************/ |
302 | |
262 | |
303 | #define PRIO_MAX 3 |
263 | #define CORO_PRIO_MAX 3 |
304 | #define PRIO_HIGH 1 |
264 | #define CORO_PRIO_HIGH 1 |
305 | #define PRIO_NORMAL 0 |
265 | #define CORO_PRIO_NORMAL 0 |
306 | #define PRIO_LOW -1 |
266 | #define CORO_PRIO_LOW -1 |
307 | #define PRIO_IDLE -3 |
267 | #define CORO_PRIO_IDLE -3 |
308 | #define PRIO_MIN -4 |
268 | #define CORO_PRIO_MIN -4 |
309 | |
269 | |
310 | /* for Coro.pm */ |
270 | /* for Coro.pm */ |
311 | static SV *coro_current; |
271 | static SV *coro_current; |
312 | static SV *coro_readyhook; |
272 | static SV *coro_readyhook; |
313 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
273 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
314 | static CV *cv_coro_run, *cv_coro_terminate; |
274 | static CV *cv_coro_run; |
315 | static struct coro *coro_first; |
275 | static struct coro *coro_first; |
316 | #define coro_nready coroapi.nready |
276 | #define coro_nready coroapi.nready |
317 | |
277 | |
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278 | /** JIT *********************************************************************/ |
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279 | |
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280 | #if CORO_JIT |
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281 | /* APPLE doesn't have mmap though */ |
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282 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
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283 | #ifndef CORO_JIT_TYPE |
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284 | #if ECB_AMD64 && CORO_JIT_UNIXY |
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285 | #define CORO_JIT_TYPE "amd64-unix" |
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286 | #elif __i386 && CORO_JIT_UNIXY |
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287 | #define CORO_JIT_TYPE "x86-unix" |
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288 | #endif |
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289 | #endif |
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290 | #endif |
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291 | |
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292 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
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293 | #undef CORO_JIT |
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294 | #endif |
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295 | |
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296 | #if CORO_JIT |
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297 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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298 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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299 | #endif |
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300 | |
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301 | /** Coro::Select ************************************************************/ |
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302 | |
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303 | static OP *(*coro_old_pp_sselect) (pTHX); |
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304 | static SV *coro_select_select; |
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305 | |
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306 | /* horrible hack, but if it works... */ |
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307 | static OP * |
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308 | coro_pp_sselect (pTHX) |
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309 | { |
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310 | dSP; |
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311 | PUSHMARK (SP - 4); /* fake argument list */ |
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312 | XPUSHs (coro_select_select); |
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313 | PUTBACK; |
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314 | |
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315 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
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316 | PL_op->op_flags |= OPf_STACKED; |
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317 | PL_op->op_private = 0; |
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318 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
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319 | } |
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320 | |
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321 | /** time stuff **************************************************************/ |
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322 | |
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323 | #ifdef HAS_GETTIMEOFDAY |
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324 | |
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325 | ecb_inline void |
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326 | coro_u2time (pTHX_ UV ret[2]) |
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327 | { |
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328 | struct timeval tv; |
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329 | gettimeofday (&tv, 0); |
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330 | |
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331 | ret [0] = tv.tv_sec; |
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332 | ret [1] = tv.tv_usec; |
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333 | } |
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334 | |
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335 | ecb_inline double |
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336 | coro_nvtime (void) |
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337 | { |
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338 | struct timeval tv; |
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339 | gettimeofday (&tv, 0); |
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340 | |
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341 | return tv.tv_sec + tv.tv_usec * 1e-6; |
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342 | } |
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343 | |
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344 | ecb_inline void |
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345 | time_init (pTHX) |
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346 | { |
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347 | nvtime = coro_nvtime; |
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348 | u2time = coro_u2time; |
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349 | } |
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350 | |
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351 | #else |
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352 | |
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353 | ecb_inline void |
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354 | time_init (pTHX) |
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355 | { |
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356 | SV **svp; |
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357 | |
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358 | require_pv ("Time/HiRes.pm"); |
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359 | |
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360 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
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361 | |
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362 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
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363 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
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364 | |
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365 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
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366 | |
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367 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
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368 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
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369 | } |
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370 | |
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371 | #endif |
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372 | |
318 | /** lowlevel stuff **********************************************************/ |
373 | /** lowlevel stuff **********************************************************/ |
319 | |
374 | |
320 | static SV * |
375 | static SV * ecb_noinline |
321 | coro_get_sv (pTHX_ const char *name, int create) |
376 | coro_get_sv (pTHX_ const char *name, int create) |
322 | { |
377 | { |
323 | #if PERL_VERSION_ATLEAST (5,10,0) |
378 | #if PERL_VERSION_ATLEAST (5,10,0) |
324 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
379 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
325 | get_sv (name, create); |
380 | get_sv (name, create); |
326 | #endif |
381 | #endif |
327 | return get_sv (name, create); |
382 | return get_sv (name, create); |
328 | } |
383 | } |
329 | |
384 | |
330 | static AV * |
385 | static AV * ecb_noinline |
331 | coro_get_av (pTHX_ const char *name, int create) |
386 | coro_get_av (pTHX_ const char *name, int create) |
332 | { |
387 | { |
333 | #if PERL_VERSION_ATLEAST (5,10,0) |
388 | #if PERL_VERSION_ATLEAST (5,10,0) |
334 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
389 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
335 | get_av (name, create); |
390 | get_av (name, create); |
336 | #endif |
391 | #endif |
337 | return get_av (name, create); |
392 | return get_av (name, create); |
338 | } |
393 | } |
339 | |
394 | |
340 | static HV * |
395 | static HV * ecb_noinline |
341 | coro_get_hv (pTHX_ const char *name, int create) |
396 | coro_get_hv (pTHX_ const char *name, int create) |
342 | { |
397 | { |
343 | #if PERL_VERSION_ATLEAST (5,10,0) |
398 | #if PERL_VERSION_ATLEAST (5,10,0) |
344 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
399 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
345 | get_hv (name, create); |
400 | get_hv (name, create); |
346 | #endif |
401 | #endif |
347 | return get_hv (name, create); |
402 | return get_hv (name, create); |
348 | } |
403 | } |
349 | |
404 | |
350 | /* may croak */ |
405 | ecb_inline void |
351 | INLINE CV * |
406 | coro_times_update (void) |
352 | coro_sv_2cv (pTHX_ SV *sv) |
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353 | { |
407 | { |
354 | HV *st; |
408 | #ifdef coro_clock_gettime |
355 | GV *gvp; |
409 | struct timespec ts; |
356 | return sv_2cv (sv, &st, &gvp, 0); |
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357 | } |
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358 | |
410 | |
359 | static AV * |
411 | ts.tv_sec = ts.tv_nsec = 0; |
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412 | coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts); |
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413 | time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec; |
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414 | |
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415 | ts.tv_sec = ts.tv_nsec = 0; |
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416 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
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417 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
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418 | #else |
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419 | dTHX; |
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420 | UV tv[2]; |
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421 | |
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422 | u2time (aTHX_ tv); |
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423 | time_real [0] = tv [0]; |
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424 | time_real [1] = tv [1] * 1000; |
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425 | #endif |
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426 | } |
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427 | |
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428 | ecb_inline void |
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429 | coro_times_add (struct coro *c) |
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430 | { |
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431 | c->t_real [1] += time_real [1]; |
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432 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
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433 | c->t_real [0] += time_real [0]; |
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434 | |
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435 | c->t_cpu [1] += time_cpu [1]; |
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436 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
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437 | c->t_cpu [0] += time_cpu [0]; |
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438 | } |
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439 | |
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440 | ecb_inline void |
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441 | coro_times_sub (struct coro *c) |
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442 | { |
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443 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
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444 | c->t_real [1] -= time_real [1]; |
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445 | c->t_real [0] -= time_real [0]; |
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446 | |
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447 | if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; } |
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448 | c->t_cpu [1] -= time_cpu [1]; |
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449 | c->t_cpu [0] -= time_cpu [0]; |
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450 | } |
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451 | |
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452 | /*****************************************************************************/ |
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453 | /* magic glue */ |
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454 | |
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455 | #define CORO_MAGIC_type_cv 26 |
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456 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
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457 | |
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458 | #define CORO_MAGIC_NN(sv, type) \ |
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459 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
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460 | ? SvMAGIC (sv) \ |
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461 | : mg_find (sv, type)) |
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462 | |
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463 | #define CORO_MAGIC(sv, type) \ |
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464 | (ecb_expect_true (SvMAGIC (sv)) \ |
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465 | ? CORO_MAGIC_NN (sv, type) \ |
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466 | : 0) |
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467 | |
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468 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
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469 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
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470 | |
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471 | ecb_inline MAGIC * |
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472 | SvSTATEhv_p (pTHX_ SV *coro) |
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473 | { |
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474 | MAGIC *mg; |
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475 | |
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476 | if (ecb_expect_true ( |
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477 | SvTYPE (coro) == SVt_PVHV |
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478 | && (mg = CORO_MAGIC_state (coro)) |
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479 | && mg->mg_virtual == &coro_state_vtbl |
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480 | )) |
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481 | return mg; |
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482 | |
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483 | return 0; |
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484 | } |
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485 | |
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486 | ecb_inline struct coro * |
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487 | SvSTATE_ (pTHX_ SV *coro) |
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488 | { |
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489 | MAGIC *mg; |
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490 | |
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491 | if (SvROK (coro)) |
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492 | coro = SvRV (coro); |
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493 | |
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494 | mg = SvSTATEhv_p (aTHX_ coro); |
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495 | if (!mg) |
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496 | croak ("Coro::State object required"); |
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497 | |
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498 | return (struct coro *)mg->mg_ptr; |
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499 | } |
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500 | |
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501 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
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502 | |
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503 | /* faster than SvSTATE, but expects a coroutine hv */ |
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504 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
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505 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
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506 | |
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507 | /*****************************************************************************/ |
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508 | /* padlist management and caching */ |
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509 | |
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510 | ecb_inline PADLIST * |
360 | coro_derive_padlist (pTHX_ CV *cv) |
511 | coro_derive_padlist (pTHX_ CV *cv) |
361 | { |
512 | { |
362 | AV *padlist = CvPADLIST (cv); |
513 | PADLIST *padlist = CvPADLIST (cv); |
363 | AV *newpadlist, *newpad; |
514 | PADLIST *newpadlist; |
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515 | PAD *newpad; |
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516 | PADOFFSET off = PadlistMAX (padlist) + 1; |
364 | |
517 | |
365 | newpadlist = newAV (); |
518 | #if NEWPADAPI |
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519 | |
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520 | while (!PadlistARRAY (padlist)[off - 1]) |
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521 | --off; |
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522 | |
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523 | Perl_pad_push (aTHX_ padlist, off); |
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524 | |
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525 | newpad = PadlistARRAY (padlist)[off]; |
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526 | PadlistARRAY (padlist)[off] = 0; |
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527 | |
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528 | #else |
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529 | |
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530 | #if PERL_VERSION_ATLEAST (5,10,0) |
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531 | Perl_pad_push (aTHX_ padlist, off); |
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532 | #else |
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533 | Perl_pad_push (aTHX_ padlist, off, 1); |
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534 | #endif |
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535 | |
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536 | newpad = PadlistARRAY (padlist)[off]; |
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537 | PadlistMAX (padlist) = off - 1; |
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538 | |
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539 | #endif |
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540 | |
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541 | newPADLIST (newpadlist); |
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542 | #if !PERL_VERSION_ATLEAST(5,15,3) |
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543 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
366 | AvREAL_off (newpadlist); |
544 | AvREAL_off (newpadlist); |
367 | #if PERL_VERSION_ATLEAST (5,10,0) |
545 | #endif |
368 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
546 | |
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547 | /* Already extended to 2 elements by newPADLIST. */ |
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548 | PadlistMAX (newpadlist) = 1; |
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549 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
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550 | PadlistARRAY (newpadlist)[1] = newpad; |
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551 | |
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552 | return newpadlist; |
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553 | } |
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554 | |
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555 | ecb_inline void |
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556 | free_padlist (pTHX_ PADLIST *padlist) |
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557 | { |
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558 | /* may be during global destruction */ |
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559 | if (!IN_DESTRUCT) |
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560 | { |
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561 | I32 i = PadlistMAX (padlist); |
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562 | |
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563 | while (i > 0) /* special-case index 0 */ |
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564 | { |
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565 | /* we try to be extra-careful here */ |
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566 | PAD *pad = PadlistARRAY (padlist)[i--]; |
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567 | I32 j = PadMAX (pad); |
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568 | |
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569 | while (j >= 0) |
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570 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
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571 | |
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572 | PadMAX (pad) = -1; |
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573 | SvREFCNT_dec (pad); |
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574 | } |
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575 | |
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576 | SvREFCNT_dec (PadlistNAMES (padlist)); |
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577 | |
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578 | #if NEWPADAPI |
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579 | Safefree (PadlistARRAY (padlist)); |
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580 | Safefree (padlist); |
369 | #else |
581 | #else |
370 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
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371 | #endif |
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372 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
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373 | --AvFILLp (padlist); |
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374 | |
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375 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
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376 | av_store (newpadlist, 1, (SV *)newpad); |
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377 | |
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378 | return newpadlist; |
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379 | } |
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380 | |
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381 | static void |
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382 | free_padlist (pTHX_ AV *padlist) |
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383 | { |
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384 | /* may be during global destruction */ |
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385 | if (SvREFCNT (padlist)) |
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386 | { |
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387 | I32 i = AvFILLp (padlist); |
582 | AvFILLp (padlist) = -1; |
388 | while (i >= 0) |
583 | AvREAL_off (padlist); |
389 | { |
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390 | SV **svp = av_fetch (padlist, i--, FALSE); |
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391 | if (svp) |
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392 | { |
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393 | SV *sv; |
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394 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
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395 | SvREFCNT_dec (sv); |
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396 | |
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397 | SvREFCNT_dec (*svp); |
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398 | } |
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399 | } |
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400 | |
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401 | SvREFCNT_dec ((SV*)padlist); |
584 | SvREFCNT_dec ((SV*)padlist); |
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585 | #endif |
402 | } |
586 | } |
403 | } |
587 | } |
404 | |
588 | |
405 | static int |
589 | static int |
406 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
590 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
407 | { |
591 | { |
408 | AV *padlist; |
592 | PADLIST *padlist; |
409 | AV *av = (AV *)mg->mg_obj; |
593 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
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594 | size_t len = *(size_t *)mg->mg_ptr; |
410 | |
595 | |
411 | /* casting is fun. */ |
596 | /* perl manages to free our internal AV and _then_ call us */ |
412 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
597 | if (IN_DESTRUCT) |
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598 | return 0; |
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599 | |
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600 | while (len--) |
413 | free_padlist (aTHX_ padlist); |
601 | free_padlist (aTHX_ padlists[len]); |
414 | |
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415 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
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416 | |
602 | |
417 | return 0; |
603 | return 0; |
418 | } |
604 | } |
419 | |
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420 | #define CORO_MAGIC_type_cv 26 |
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421 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
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422 | |
605 | |
423 | static MGVTBL coro_cv_vtbl = { |
606 | static MGVTBL coro_cv_vtbl = { |
424 | 0, 0, 0, 0, |
607 | 0, 0, 0, 0, |
425 | coro_cv_free |
608 | coro_cv_free |
426 | }; |
609 | }; |
427 | |
610 | |
428 | #define CORO_MAGIC_NN(sv, type) \ |
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429 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
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430 | ? SvMAGIC (sv) \ |
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431 | : mg_find (sv, type)) |
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432 | |
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433 | #define CORO_MAGIC(sv, type) \ |
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434 | (expect_true (SvMAGIC (sv)) \ |
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435 | ? CORO_MAGIC_NN (sv, type) \ |
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436 | : 0) |
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437 | |
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438 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
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439 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
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440 | |
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441 | INLINE struct coro * |
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442 | SvSTATE_ (pTHX_ SV *coro) |
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443 | { |
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444 | HV *stash; |
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445 | MAGIC *mg; |
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446 | |
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447 | if (SvROK (coro)) |
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448 | coro = SvRV (coro); |
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449 | |
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450 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
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451 | croak ("Coro::State object required"); |
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452 | |
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453 | stash = SvSTASH (coro); |
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454 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
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455 | { |
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456 | /* very slow, but rare, check */ |
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457 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
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458 | croak ("Coro::State object required"); |
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459 | } |
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460 | |
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461 | mg = CORO_MAGIC_state (coro); |
|
|
462 | return (struct coro *)mg->mg_ptr; |
|
|
463 | } |
|
|
464 | |
|
|
465 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
466 | |
|
|
467 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
468 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
469 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
470 | |
|
|
471 | /* the next two functions merely cache the padlists */ |
611 | /* the next two functions merely cache the padlists */ |
472 | static void |
612 | ecb_inline void |
473 | get_padlist (pTHX_ CV *cv) |
613 | get_padlist (pTHX_ CV *cv) |
474 | { |
614 | { |
475 | MAGIC *mg = CORO_MAGIC_cv (cv); |
615 | MAGIC *mg = CORO_MAGIC_cv (cv); |
476 | AV *av; |
616 | size_t *lenp; |
477 | |
617 | |
478 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
618 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
479 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
619 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
480 | else |
620 | else |
481 | { |
621 | { |
482 | #if CORO_PREFER_PERL_FUNCTIONS |
622 | #if CORO_PREFER_PERL_FUNCTIONS |
483 | /* this is probably cleaner? but also slower! */ |
623 | /* this is probably cleaner? but also slower! */ |
484 | /* in practise, it seems to be less stable */ |
624 | /* in practise, it seems to be less stable */ |
… | |
… | |
490 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
630 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
491 | #endif |
631 | #endif |
492 | } |
632 | } |
493 | } |
633 | } |
494 | |
634 | |
495 | static void |
635 | ecb_inline void |
496 | put_padlist (pTHX_ CV *cv) |
636 | put_padlist (pTHX_ CV *cv) |
497 | { |
637 | { |
498 | MAGIC *mg = CORO_MAGIC_cv (cv); |
638 | MAGIC *mg = CORO_MAGIC_cv (cv); |
499 | AV *av; |
|
|
500 | |
639 | |
501 | if (expect_false (!mg)) |
640 | if (ecb_expect_false (!mg)) |
|
|
641 | { |
502 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
642 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
643 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
644 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
645 | } |
|
|
646 | else |
|
|
647 | Renew (mg->mg_ptr, |
|
|
648 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
649 | char); |
503 | |
650 | |
504 | av = (AV *)mg->mg_obj; |
651 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
505 | |
|
|
506 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
507 | av_extend (av, AvMAX (av) + 1); |
|
|
508 | |
|
|
509 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
510 | } |
652 | } |
511 | |
653 | |
512 | /** load & save, init *******************************************************/ |
654 | /** load & save, init *******************************************************/ |
|
|
655 | |
|
|
656 | ecb_inline void |
|
|
657 | swap_sv (SV *a, SV *b) |
|
|
658 | { |
|
|
659 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
660 | SV tmp; |
|
|
661 | |
|
|
662 | /* swap sv_any */ |
|
|
663 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
664 | |
|
|
665 | /* swap sv_flags */ |
|
|
666 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
667 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
668 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
669 | |
|
|
670 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
671 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
672 | * is much faster, so no quarrels here. alternatively, we could |
|
|
673 | * sv_upgrade to avoid this. |
|
|
674 | */ |
|
|
675 | { |
|
|
676 | /* swap sv_u */ |
|
|
677 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
678 | |
|
|
679 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
680 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
681 | */ |
|
|
682 | #define svany_in_head(type) \ |
|
|
683 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
684 | |
|
|
685 | if (svany_in_head (SvTYPE (a))) |
|
|
686 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
687 | |
|
|
688 | if (svany_in_head (SvTYPE (b))) |
|
|
689 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
690 | } |
|
|
691 | #endif |
|
|
692 | } |
|
|
693 | |
|
|
694 | /* swap sv heads, at least logically */ |
|
|
695 | static void |
|
|
696 | swap_svs (pTHX_ Coro__State c) |
|
|
697 | { |
|
|
698 | int i; |
|
|
699 | |
|
|
700 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
|
|
701 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
702 | } |
|
|
703 | |
|
|
704 | #define SWAP_SVS(coro) \ |
|
|
705 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
706 | swap_svs (aTHX_ (coro)) |
|
|
707 | |
|
|
708 | static void |
|
|
709 | on_enterleave_call (pTHX_ SV *cb); |
513 | |
710 | |
514 | static void |
711 | static void |
515 | load_perl (pTHX_ Coro__State c) |
712 | load_perl (pTHX_ Coro__State c) |
516 | { |
713 | { |
517 | perl_slots *slot = c->slot; |
714 | perl_slots *slot = c->slot; |
518 | c->slot = 0; |
715 | c->slot = 0; |
519 | |
716 | |
520 | PL_mainstack = c->mainstack; |
717 | PL_mainstack = c->mainstack; |
521 | |
718 | |
522 | GvSV (PL_defgv) = slot->defsv; |
719 | #if CORO_JIT |
523 | GvAV (PL_defgv) = slot->defav; |
720 | load_perl_slots (slot); |
524 | GvSV (PL_errgv) = slot->errsv; |
721 | #else |
525 | GvSV (irsgv) = slot->irsgv; |
|
|
526 | |
|
|
527 | #define VAR(name,type) PL_ ## name = slot->name; |
722 | #define VARx(name,expr,type) expr = slot->name; |
528 | # include "state.h" |
723 | #include "state.h" |
529 | #undef VAR |
724 | #endif |
530 | |
725 | |
531 | { |
726 | { |
532 | dSP; |
727 | dSP; |
533 | |
728 | |
534 | CV *cv; |
729 | CV *cv; |
535 | |
730 | |
536 | /* now do the ugly restore mess */ |
731 | /* now do the ugly restore mess */ |
537 | while (expect_true (cv = (CV *)POPs)) |
732 | while (ecb_expect_true (cv = (CV *)POPs)) |
538 | { |
733 | { |
539 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
734 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
540 | CvDEPTH (cv) = PTR2IV (POPs); |
735 | CvDEPTH (cv) = PTR2IV (POPs); |
541 | CvPADLIST (cv) = (AV *)POPs; |
736 | CvPADLIST (cv) = (PADLIST *)POPs; |
542 | } |
737 | } |
543 | |
738 | |
544 | PUTBACK; |
739 | PUTBACK; |
545 | } |
740 | } |
546 | |
741 | |
547 | slf_frame = c->slf_frame; |
742 | slf_frame = c->slf_frame; |
548 | CORO_THROW = c->except; |
743 | CORO_THROW = c->except; |
|
|
744 | |
|
|
745 | if (ecb_expect_false (enable_times)) |
|
|
746 | { |
|
|
747 | if (ecb_expect_false (!times_valid)) |
|
|
748 | coro_times_update (); |
|
|
749 | |
|
|
750 | coro_times_sub (c); |
|
|
751 | } |
|
|
752 | |
|
|
753 | if (ecb_expect_false (c->on_enter)) |
|
|
754 | { |
|
|
755 | int i; |
|
|
756 | |
|
|
757 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
758 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
|
|
759 | } |
|
|
760 | |
|
|
761 | SWAP_SVS (c); |
549 | } |
762 | } |
550 | |
763 | |
551 | static void |
764 | static void |
552 | save_perl (pTHX_ Coro__State c) |
765 | save_perl (pTHX_ Coro__State c) |
553 | { |
766 | { |
|
|
767 | SWAP_SVS (c); |
|
|
768 | |
|
|
769 | if (ecb_expect_false (c->on_leave)) |
|
|
770 | { |
|
|
771 | int i; |
|
|
772 | |
|
|
773 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
774 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
775 | } |
|
|
776 | |
|
|
777 | times_valid = 0; |
|
|
778 | |
|
|
779 | if (ecb_expect_false (enable_times)) |
|
|
780 | { |
|
|
781 | coro_times_update (); times_valid = 1; |
|
|
782 | coro_times_add (c); |
|
|
783 | } |
|
|
784 | |
554 | c->except = CORO_THROW; |
785 | c->except = CORO_THROW; |
555 | c->slf_frame = slf_frame; |
786 | c->slf_frame = slf_frame; |
556 | |
787 | |
557 | { |
788 | { |
558 | dSP; |
789 | dSP; |
… | |
… | |
567 | |
798 | |
568 | XPUSHs (Nullsv); |
799 | XPUSHs (Nullsv); |
569 | /* this loop was inspired by pp_caller */ |
800 | /* this loop was inspired by pp_caller */ |
570 | for (;;) |
801 | for (;;) |
571 | { |
802 | { |
572 | while (expect_true (cxix >= 0)) |
803 | while (ecb_expect_true (cxix >= 0)) |
573 | { |
804 | { |
574 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
805 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
575 | |
806 | |
576 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
807 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
577 | { |
808 | { |
578 | CV *cv = cx->blk_sub.cv; |
809 | CV *cv = cx->blk_sub.cv; |
579 | |
810 | |
580 | if (expect_true (CvDEPTH (cv))) |
811 | if (ecb_expect_true (CvDEPTH (cv))) |
581 | { |
812 | { |
582 | EXTEND (SP, 3); |
813 | EXTEND (SP, 3); |
583 | PUSHs ((SV *)CvPADLIST (cv)); |
814 | PUSHs ((SV *)CvPADLIST (cv)); |
584 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
815 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
585 | PUSHs ((SV *)cv); |
816 | PUSHs ((SV *)cv); |
… | |
… | |
588 | get_padlist (aTHX_ cv); |
819 | get_padlist (aTHX_ cv); |
589 | } |
820 | } |
590 | } |
821 | } |
591 | } |
822 | } |
592 | |
823 | |
593 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
824 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
594 | break; |
825 | break; |
595 | |
826 | |
596 | top_si = top_si->si_prev; |
827 | top_si = top_si->si_prev; |
597 | ccstk = top_si->si_cxstack; |
828 | ccstk = top_si->si_cxstack; |
598 | cxix = top_si->si_cxix; |
829 | cxix = top_si->si_cxix; |
… | |
… | |
600 | |
831 | |
601 | PUTBACK; |
832 | PUTBACK; |
602 | } |
833 | } |
603 | |
834 | |
604 | /* allocate some space on the context stack for our purposes */ |
835 | /* allocate some space on the context stack for our purposes */ |
605 | /* we manually unroll here, as usually 2 slots is enough */ |
836 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
606 | if (SLOT_COUNT >= 1) CXINC; |
|
|
607 | if (SLOT_COUNT >= 2) CXINC; |
|
|
608 | if (SLOT_COUNT >= 3) CXINC; |
|
|
609 | { |
837 | { |
610 | int i; |
838 | unsigned int i; |
|
|
839 | |
611 | for (i = 3; i < SLOT_COUNT; ++i) |
840 | for (i = 0; i < SLOT_COUNT; ++i) |
612 | CXINC; |
841 | CXINC; |
613 | } |
842 | |
614 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
843 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
844 | } |
615 | |
845 | |
616 | c->mainstack = PL_mainstack; |
846 | c->mainstack = PL_mainstack; |
617 | |
847 | |
618 | { |
848 | { |
619 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
849 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
620 | |
850 | |
621 | slot->defav = GvAV (PL_defgv); |
851 | #if CORO_JIT |
622 | slot->defsv = DEFSV; |
852 | save_perl_slots (slot); |
623 | slot->errsv = ERRSV; |
853 | #else |
624 | slot->irsgv = GvSV (irsgv); |
|
|
625 | |
|
|
626 | #define VAR(name,type) slot->name = PL_ ## name; |
854 | #define VARx(name,expr,type) slot->name = expr; |
627 | # include "state.h" |
855 | #include "state.h" |
628 | #undef VAR |
856 | #endif |
629 | } |
857 | } |
630 | } |
858 | } |
631 | |
859 | |
632 | /* |
860 | /* |
633 | * allocate various perl stacks. This is almost an exact copy |
861 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
639 | # define coro_init_stacks(thx) init_stacks () |
867 | # define coro_init_stacks(thx) init_stacks () |
640 | #else |
868 | #else |
641 | static void |
869 | static void |
642 | coro_init_stacks (pTHX) |
870 | coro_init_stacks (pTHX) |
643 | { |
871 | { |
644 | PL_curstackinfo = new_stackinfo(32, 8); |
872 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
645 | PL_curstackinfo->si_type = PERLSI_MAIN; |
873 | PL_curstackinfo->si_type = PERLSI_MAIN; |
646 | PL_curstack = PL_curstackinfo->si_stack; |
874 | PL_curstack = PL_curstackinfo->si_stack; |
647 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
875 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
648 | |
876 | |
649 | PL_stack_base = AvARRAY(PL_curstack); |
877 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
664 | #endif |
892 | #endif |
665 | |
893 | |
666 | New(54,PL_scopestack,8,I32); |
894 | New(54,PL_scopestack,8,I32); |
667 | PL_scopestack_ix = 0; |
895 | PL_scopestack_ix = 0; |
668 | PL_scopestack_max = 8; |
896 | PL_scopestack_max = 8; |
|
|
897 | #if HAS_SCOPESTACK_NAME |
|
|
898 | New(54,PL_scopestack_name,8,const char*); |
|
|
899 | #endif |
669 | |
900 | |
670 | New(54,PL_savestack,24,ANY); |
901 | New(54,PL_savestack,24,ANY); |
671 | PL_savestack_ix = 0; |
902 | PL_savestack_ix = 0; |
672 | PL_savestack_max = 24; |
903 | PL_savestack_max = 24; |
673 | |
904 | |
… | |
… | |
701 | } |
932 | } |
702 | |
933 | |
703 | Safefree (PL_tmps_stack); |
934 | Safefree (PL_tmps_stack); |
704 | Safefree (PL_markstack); |
935 | Safefree (PL_markstack); |
705 | Safefree (PL_scopestack); |
936 | Safefree (PL_scopestack); |
|
|
937 | #if HAS_SCOPESTACK_NAME |
|
|
938 | Safefree (PL_scopestack_name); |
|
|
939 | #endif |
706 | Safefree (PL_savestack); |
940 | Safefree (PL_savestack); |
707 | #if !PERL_VERSION_ATLEAST (5,10,0) |
941 | #if !PERL_VERSION_ATLEAST (5,10,0) |
708 | Safefree (PL_retstack); |
942 | Safefree (PL_retstack); |
709 | #endif |
943 | #endif |
710 | } |
944 | } |
… | |
… | |
756 | #endif |
990 | #endif |
757 | |
991 | |
758 | /* |
992 | /* |
759 | * This overrides the default magic get method of %SIG elements. |
993 | * This overrides the default magic get method of %SIG elements. |
760 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
994 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
761 | * and instead of tryign to save and restore the hash elements, we just provide |
995 | * and instead of trying to save and restore the hash elements (extremely slow), |
762 | * readback here. |
996 | * we just provide our own readback here. |
763 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
764 | * not expecting this to actually change the hook. This is a potential problem |
|
|
765 | * when a schedule happens then, but we ignore this. |
|
|
766 | */ |
997 | */ |
767 | static int |
998 | static int ecb_cold |
768 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
999 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
769 | { |
1000 | { |
770 | const char *s = MgPV_nolen_const (mg); |
1001 | const char *s = MgPV_nolen_const (mg); |
771 | |
1002 | |
772 | if (*s == '_') |
1003 | if (*s == '_') |
773 | { |
1004 | { |
774 | SV **svp = 0; |
1005 | SV **svp = 0; |
775 | |
1006 | |
776 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1007 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
777 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1008 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
778 | |
1009 | |
779 | if (svp) |
1010 | if (svp) |
780 | { |
1011 | { |
781 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1012 | SV *ssv; |
|
|
1013 | |
|
|
1014 | if (!*svp) |
|
|
1015 | ssv = &PL_sv_undef; |
|
|
1016 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1017 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1018 | else |
|
|
1019 | ssv = *svp; |
|
|
1020 | |
|
|
1021 | sv_setsv (sv, ssv); |
782 | return 0; |
1022 | return 0; |
783 | } |
1023 | } |
784 | } |
1024 | } |
785 | |
1025 | |
786 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1026 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
787 | } |
1027 | } |
788 | |
1028 | |
789 | static int |
1029 | static int ecb_cold |
790 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1030 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
791 | { |
1031 | { |
792 | const char *s = MgPV_nolen_const (mg); |
1032 | const char *s = MgPV_nolen_const (mg); |
793 | |
1033 | |
794 | if (*s == '_') |
1034 | if (*s == '_') |
… | |
… | |
808 | } |
1048 | } |
809 | |
1049 | |
810 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1050 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
811 | } |
1051 | } |
812 | |
1052 | |
813 | static int |
1053 | static int ecb_cold |
814 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1054 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
815 | { |
1055 | { |
816 | const char *s = MgPV_nolen_const (mg); |
1056 | const char *s = MgPV_nolen_const (mg); |
817 | |
1057 | |
818 | if (*s == '_') |
1058 | if (*s == '_') |
… | |
… | |
823 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1063 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
824 | |
1064 | |
825 | if (svp) |
1065 | if (svp) |
826 | { |
1066 | { |
827 | SV *old = *svp; |
1067 | SV *old = *svp; |
828 | *svp = newSVsv (sv); |
1068 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
829 | SvREFCNT_dec (old); |
1069 | SvREFCNT_dec (old); |
830 | return 0; |
1070 | return 0; |
831 | } |
1071 | } |
832 | } |
1072 | } |
833 | |
1073 | |
… | |
… | |
851 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1091 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
852 | { |
1092 | { |
853 | return 1; |
1093 | return 1; |
854 | } |
1094 | } |
855 | |
1095 | |
856 | static UNOP coro_setup_op; |
1096 | static UNOP init_perl_op; |
857 | |
1097 | |
858 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1098 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
859 | coro_setup (pTHX_ struct coro *coro) |
1099 | init_perl (pTHX_ struct coro *coro) |
860 | { |
1100 | { |
861 | /* |
1101 | /* |
862 | * emulate part of the perl startup here. |
1102 | * emulate part of the perl startup here. |
863 | */ |
1103 | */ |
864 | coro_init_stacks (aTHX); |
1104 | coro_init_stacks (aTHX); |
865 | |
1105 | |
866 | PL_runops = RUNOPS_DEFAULT; |
1106 | PL_runops = RUNOPS_DEFAULT; |
867 | PL_curcop = &PL_compiling; |
1107 | PL_curcop = &PL_compiling; |
868 | PL_in_eval = EVAL_NULL; |
1108 | PL_in_eval = EVAL_NULL; |
869 | PL_comppad = 0; |
1109 | PL_comppad = 0; |
|
|
1110 | PL_comppad_name = 0; |
|
|
1111 | PL_comppad_name_fill = 0; |
|
|
1112 | PL_comppad_name_floor = 0; |
870 | PL_curpm = 0; |
1113 | PL_curpm = 0; |
871 | PL_curpad = 0; |
1114 | PL_curpad = 0; |
872 | PL_localizing = 0; |
1115 | PL_localizing = 0; |
873 | PL_dirty = 0; |
|
|
874 | PL_restartop = 0; |
1116 | PL_restartop = 0; |
875 | #if PERL_VERSION_ATLEAST (5,10,0) |
1117 | #if PERL_VERSION_ATLEAST (5,10,0) |
876 | PL_parser = 0; |
1118 | PL_parser = 0; |
877 | #endif |
1119 | #endif |
|
|
1120 | PL_hints = 0; |
878 | |
1121 | |
879 | /* recreate the die/warn hooks */ |
1122 | /* recreate the die/warn hooks */ |
880 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1123 | PL_diehook = SvREFCNT_inc (rv_diehook); |
881 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1124 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
882 | |
1125 | |
883 | GvSV (PL_defgv) = newSV (0); |
1126 | GvSV (PL_defgv) = newSV (0); |
884 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1127 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
885 | GvSV (PL_errgv) = newSV (0); |
1128 | GvSV (PL_errgv) = newSV (0); |
886 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1129 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
1130 | GvHV (PL_hintgv) = 0; |
887 | PL_rs = newSVsv (GvSV (irsgv)); |
1131 | PL_rs = newSVsv (GvSV (irsgv)); |
888 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1132 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
889 | |
1133 | |
890 | { |
1134 | { |
891 | dSP; |
1135 | dSP; |
… | |
… | |
906 | /* this newly created coroutine might be run on an existing cctx which most |
1150 | /* this newly created coroutine might be run on an existing cctx which most |
907 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1151 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
908 | */ |
1152 | */ |
909 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1153 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
910 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1154 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1155 | slf_frame.destroy = 0; |
911 | |
1156 | |
912 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1157 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
913 | coro_setup_op.op_next = PL_op; |
1158 | init_perl_op.op_next = PL_op; |
914 | coro_setup_op.op_type = OP_ENTERSUB; |
1159 | init_perl_op.op_type = OP_ENTERSUB; |
915 | coro_setup_op.op_ppaddr = pp_slf; |
1160 | init_perl_op.op_ppaddr = pp_slf; |
916 | /* no flags etc. required, as an init function won't be called */ |
1161 | /* no flags etc. required, as an init function won't be called */ |
917 | |
1162 | |
918 | PL_op = (OP *)&coro_setup_op; |
1163 | PL_op = (OP *)&init_perl_op; |
919 | |
1164 | |
920 | /* copy throw, in case it was set before coro_setup */ |
1165 | /* copy throw, in case it was set before init_perl */ |
921 | CORO_THROW = coro->except; |
1166 | CORO_THROW = coro->except; |
922 | } |
|
|
923 | |
1167 | |
|
|
1168 | SWAP_SVS (coro); |
|
|
1169 | |
|
|
1170 | if (ecb_expect_false (enable_times)) |
|
|
1171 | { |
|
|
1172 | coro_times_update (); |
|
|
1173 | coro_times_sub (coro); |
|
|
1174 | } |
|
|
1175 | } |
|
|
1176 | |
924 | static void |
1177 | static void |
925 | coro_destruct (pTHX_ struct coro *coro) |
1178 | coro_unwind_stacks (pTHX) |
926 | { |
1179 | { |
927 | if (!IN_DESTRUCT) |
1180 | if (!IN_DESTRUCT) |
928 | { |
1181 | { |
929 | /* restore all saved variables and stuff */ |
1182 | /* restore all saved variables and stuff */ |
930 | LEAVE_SCOPE (0); |
1183 | LEAVE_SCOPE (0); |
… | |
… | |
938 | POPSTACK_TO (PL_mainstack); |
1191 | POPSTACK_TO (PL_mainstack); |
939 | |
1192 | |
940 | /* unwind main stack */ |
1193 | /* unwind main stack */ |
941 | dounwind (-1); |
1194 | dounwind (-1); |
942 | } |
1195 | } |
|
|
1196 | } |
943 | |
1197 | |
944 | SvREFCNT_dec (GvSV (PL_defgv)); |
1198 | static void |
945 | SvREFCNT_dec (GvAV (PL_defgv)); |
1199 | destroy_perl (pTHX_ struct coro *coro) |
946 | SvREFCNT_dec (GvSV (PL_errgv)); |
1200 | { |
947 | SvREFCNT_dec (PL_defoutgv); |
1201 | SV *svf [9]; |
948 | SvREFCNT_dec (PL_rs); |
|
|
949 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
950 | |
1202 | |
951 | SvREFCNT_dec (PL_diehook); |
|
|
952 | SvREFCNT_dec (PL_warnhook); |
|
|
953 | |
1203 | { |
|
|
1204 | SV *old_current = SvRV (coro_current); |
|
|
1205 | struct coro *current = SvSTATE (old_current); |
|
|
1206 | |
|
|
1207 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1208 | |
|
|
1209 | save_perl (aTHX_ current); |
|
|
1210 | |
|
|
1211 | /* this will cause transfer_check to croak on block*/ |
|
|
1212 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1213 | |
|
|
1214 | load_perl (aTHX_ coro); |
|
|
1215 | |
|
|
1216 | coro_unwind_stacks (aTHX); |
|
|
1217 | |
|
|
1218 | /* restore swapped sv's */ |
|
|
1219 | SWAP_SVS (coro); |
|
|
1220 | |
|
|
1221 | coro_destruct_stacks (aTHX); |
|
|
1222 | |
|
|
1223 | /* now save some sv's to be free'd later */ |
|
|
1224 | svf [0] = GvSV (PL_defgv); |
|
|
1225 | svf [1] = (SV *)GvAV (PL_defgv); |
|
|
1226 | svf [2] = GvSV (PL_errgv); |
|
|
1227 | svf [3] = (SV *)PL_defoutgv; |
|
|
1228 | svf [4] = PL_rs; |
|
|
1229 | svf [5] = GvSV (irsgv); |
|
|
1230 | svf [6] = (SV *)GvHV (PL_hintgv); |
|
|
1231 | svf [7] = PL_diehook; |
|
|
1232 | svf [8] = PL_warnhook; |
|
|
1233 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1234 | |
|
|
1235 | SvRV_set (coro_current, old_current); |
|
|
1236 | |
|
|
1237 | load_perl (aTHX_ current); |
|
|
1238 | } |
|
|
1239 | |
|
|
1240 | { |
|
|
1241 | unsigned int i; |
|
|
1242 | |
|
|
1243 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
|
|
1244 | SvREFCNT_dec (svf [i]); |
|
|
1245 | |
954 | SvREFCNT_dec (coro->saved_deffh); |
1246 | SvREFCNT_dec (coro->saved_deffh); |
955 | SvREFCNT_dec (coro->rouse_cb); |
1247 | SvREFCNT_dec (coro->rouse_cb); |
956 | SvREFCNT_dec (coro->invoke_cb); |
1248 | SvREFCNT_dec (coro->invoke_cb); |
957 | SvREFCNT_dec (coro->invoke_av); |
1249 | SvREFCNT_dec (coro->invoke_av); |
958 | |
1250 | } |
959 | coro_destruct_stacks (aTHX); |
|
|
960 | } |
1251 | } |
961 | |
1252 | |
962 | INLINE void |
1253 | ecb_inline void |
963 | free_coro_mortal (pTHX) |
1254 | free_coro_mortal (pTHX) |
964 | { |
1255 | { |
965 | if (expect_true (coro_mortal)) |
1256 | if (ecb_expect_true (coro_mortal)) |
966 | { |
1257 | { |
967 | SvREFCNT_dec (coro_mortal); |
1258 | SvREFCNT_dec ((SV *)coro_mortal); |
968 | coro_mortal = 0; |
1259 | coro_mortal = 0; |
969 | } |
1260 | } |
970 | } |
1261 | } |
971 | |
1262 | |
972 | static int |
1263 | static int |
… | |
… | |
1105 | |
1396 | |
1106 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1397 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1107 | } |
1398 | } |
1108 | |
1399 | |
1109 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1400 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1110 | static void NOINLINE |
1401 | static void ecb_noinline |
1111 | cctx_prepare (pTHX) |
1402 | cctx_prepare (pTHX) |
1112 | { |
1403 | { |
1113 | PL_top_env = &PL_start_env; |
1404 | PL_top_env = &PL_start_env; |
1114 | |
1405 | |
1115 | if (cctx_current->flags & CC_TRACE) |
1406 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1126 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1417 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1127 | slf_frame.check = slf_check_set_stacklevel; |
1418 | slf_frame.check = slf_check_set_stacklevel; |
1128 | } |
1419 | } |
1129 | |
1420 | |
1130 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1421 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1131 | INLINE void |
1422 | ecb_inline void |
1132 | transfer_tail (pTHX) |
1423 | transfer_tail (pTHX) |
1133 | { |
1424 | { |
1134 | free_coro_mortal (aTHX); |
1425 | free_coro_mortal (aTHX); |
|
|
1426 | } |
|
|
1427 | |
|
|
1428 | /* try to exit the same way perl's main function would do */ |
|
|
1429 | /* we do not bother resetting the environment or other things *7 |
|
|
1430 | /* that are not, uhm, essential */ |
|
|
1431 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1432 | static void ecb_noinline ecb_cold |
|
|
1433 | perlish_exit (pTHX) |
|
|
1434 | { |
|
|
1435 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1436 | perl_free (PL_curinterp); |
|
|
1437 | exit (exitstatus); |
1135 | } |
1438 | } |
1136 | |
1439 | |
1137 | /* |
1440 | /* |
1138 | * this is a _very_ stripped down perl interpreter ;) |
1441 | * this is a _very_ stripped down perl interpreter ;) |
1139 | */ |
1442 | */ |
… | |
… | |
1161 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1464 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1162 | PL_restartop = PL_op; |
1465 | PL_restartop = PL_op; |
1163 | perl_run (PL_curinterp); |
1466 | perl_run (PL_curinterp); |
1164 | /* |
1467 | /* |
1165 | * Unfortunately, there is no way to get at the return values of the |
1468 | * Unfortunately, there is no way to get at the return values of the |
1166 | * coro body here, as perl_run destroys these |
1469 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1470 | * runtime errors here, as this is just a random interpreter, not a thread. |
1167 | */ |
1471 | */ |
1168 | |
1472 | |
1169 | /* |
1473 | /* |
1170 | * If perl-run returns we assume exit() was being called or the coro |
1474 | * If perl-run returns we assume exit() was being called or the coro |
1171 | * fell off the end, which seems to be the only valid (non-bug) |
1475 | * fell off the end, which seems to be the only valid (non-bug) |
1172 | * reason for perl_run to return. We try to exit by jumping to the |
1476 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1173 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1477 | * doing in that case. YMMV. |
1174 | * coroutine as Coro has no such concept |
|
|
1175 | */ |
1478 | */ |
1176 | PL_top_env = main_top_env; |
1479 | perlish_exit (aTHX); |
1177 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1178 | } |
1480 | } |
1179 | } |
1481 | } |
1180 | |
1482 | |
1181 | static coro_cctx * |
1483 | static coro_cctx * |
1182 | cctx_new () |
1484 | cctx_new (void) |
1183 | { |
1485 | { |
1184 | coro_cctx *cctx; |
1486 | coro_cctx *cctx; |
1185 | |
1487 | |
1186 | ++cctx_count; |
1488 | ++cctx_count; |
1187 | New (0, cctx, 1, coro_cctx); |
1489 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1193 | return cctx; |
1495 | return cctx; |
1194 | } |
1496 | } |
1195 | |
1497 | |
1196 | /* create a new cctx only suitable as source */ |
1498 | /* create a new cctx only suitable as source */ |
1197 | static coro_cctx * |
1499 | static coro_cctx * |
1198 | cctx_new_empty () |
1500 | cctx_new_empty (void) |
1199 | { |
1501 | { |
1200 | coro_cctx *cctx = cctx_new (); |
1502 | coro_cctx *cctx = cctx_new (); |
1201 | |
1503 | |
1202 | cctx->sptr = 0; |
1504 | cctx->stack.sptr = 0; |
1203 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1505 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1204 | |
1506 | |
1205 | return cctx; |
1507 | return cctx; |
1206 | } |
1508 | } |
1207 | |
1509 | |
1208 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1510 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1209 | static coro_cctx * |
1511 | static coro_cctx * |
1210 | cctx_new_run () |
1512 | cctx_new_run (void) |
1211 | { |
1513 | { |
1212 | coro_cctx *cctx = cctx_new (); |
1514 | coro_cctx *cctx = cctx_new (); |
1213 | void *stack_start; |
|
|
1214 | size_t stack_size; |
|
|
1215 | |
1515 | |
1216 | #if HAVE_MMAP |
1516 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1217 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1218 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1219 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1220 | |
|
|
1221 | if (cctx->sptr != (void *)-1) |
|
|
1222 | { |
|
|
1223 | #if CORO_STACKGUARD |
|
|
1224 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1225 | #endif |
|
|
1226 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1227 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1228 | cctx->flags |= CC_MAPPED; |
|
|
1229 | } |
1517 | { |
1230 | else |
|
|
1231 | #endif |
|
|
1232 | { |
|
|
1233 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1234 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1235 | |
|
|
1236 | if (!cctx->sptr) |
|
|
1237 | { |
|
|
1238 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1518 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1239 | _exit (EXIT_FAILURE); |
1519 | _exit (EXIT_FAILURE); |
1240 | } |
|
|
1241 | |
|
|
1242 | stack_start = cctx->sptr; |
|
|
1243 | stack_size = cctx->ssize; |
|
|
1244 | } |
1520 | } |
1245 | |
1521 | |
1246 | #if CORO_USE_VALGRIND |
|
|
1247 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1248 | #endif |
|
|
1249 | |
|
|
1250 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1522 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1251 | |
1523 | |
1252 | return cctx; |
1524 | return cctx; |
1253 | } |
1525 | } |
1254 | |
1526 | |
1255 | static void |
1527 | static void |
1256 | cctx_destroy (coro_cctx *cctx) |
1528 | cctx_destroy (coro_cctx *cctx) |
1257 | { |
1529 | { |
1258 | if (!cctx) |
1530 | if (!cctx) |
1259 | return; |
1531 | return; |
1260 | |
1532 | |
1261 | assert (cctx != cctx_current);//D temporary |
1533 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1262 | |
1534 | |
1263 | --cctx_count; |
1535 | --cctx_count; |
1264 | coro_destroy (&cctx->cctx); |
1536 | coro_destroy (&cctx->cctx); |
1265 | |
1537 | |
1266 | /* coro_transfer creates new, empty cctx's */ |
1538 | coro_stack_free (&cctx->stack); |
1267 | if (cctx->sptr) |
|
|
1268 | { |
|
|
1269 | #if CORO_USE_VALGRIND |
|
|
1270 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1271 | #endif |
|
|
1272 | |
|
|
1273 | #if HAVE_MMAP |
|
|
1274 | if (cctx->flags & CC_MAPPED) |
|
|
1275 | munmap (cctx->sptr, cctx->ssize); |
|
|
1276 | else |
|
|
1277 | #endif |
|
|
1278 | Safefree (cctx->sptr); |
|
|
1279 | } |
|
|
1280 | |
1539 | |
1281 | Safefree (cctx); |
1540 | Safefree (cctx); |
1282 | } |
1541 | } |
1283 | |
1542 | |
1284 | /* wether this cctx should be destructed */ |
1543 | /* wether this cctx should be destructed */ |
1285 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1544 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1286 | |
1545 | |
1287 | static coro_cctx * |
1546 | static coro_cctx * |
1288 | cctx_get (pTHX) |
1547 | cctx_get (pTHX) |
1289 | { |
1548 | { |
1290 | while (expect_true (cctx_first)) |
1549 | while (ecb_expect_true (cctx_first)) |
1291 | { |
1550 | { |
1292 | coro_cctx *cctx = cctx_first; |
1551 | coro_cctx *cctx = cctx_first; |
1293 | cctx_first = cctx->next; |
1552 | cctx_first = cctx->next; |
1294 | --cctx_idle; |
1553 | --cctx_idle; |
1295 | |
1554 | |
1296 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1555 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1297 | return cctx; |
1556 | return cctx; |
1298 | |
1557 | |
1299 | cctx_destroy (cctx); |
1558 | cctx_destroy (cctx); |
1300 | } |
1559 | } |
1301 | |
1560 | |
… | |
… | |
1303 | } |
1562 | } |
1304 | |
1563 | |
1305 | static void |
1564 | static void |
1306 | cctx_put (coro_cctx *cctx) |
1565 | cctx_put (coro_cctx *cctx) |
1307 | { |
1566 | { |
1308 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1567 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1309 | |
1568 | |
1310 | /* free another cctx if overlimit */ |
1569 | /* free another cctx if overlimit */ |
1311 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1570 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1312 | { |
1571 | { |
1313 | coro_cctx *first = cctx_first; |
1572 | coro_cctx *first = cctx_first; |
1314 | cctx_first = first->next; |
1573 | cctx_first = first->next; |
1315 | --cctx_idle; |
1574 | --cctx_idle; |
1316 | |
1575 | |
… | |
… | |
1327 | static void |
1586 | static void |
1328 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1587 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1329 | { |
1588 | { |
1330 | /* TODO: throwing up here is considered harmful */ |
1589 | /* TODO: throwing up here is considered harmful */ |
1331 | |
1590 | |
1332 | if (expect_true (prev != next)) |
1591 | if (ecb_expect_true (prev != next)) |
1333 | { |
1592 | { |
1334 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1593 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1335 | croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,"); |
1594 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1336 | |
1595 | |
1337 | if (expect_false (next->flags & CF_RUNNING)) |
1596 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1338 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1339 | |
|
|
1340 | if (expect_false (next->flags & CF_DESTROYED)) |
|
|
1341 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1597 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1342 | |
1598 | |
1343 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1599 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1344 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1600 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1345 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1601 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1346 | #endif |
1602 | #endif |
1347 | } |
1603 | } |
1348 | } |
1604 | } |
1349 | |
1605 | |
1350 | /* always use the TRANSFER macro */ |
1606 | /* always use the TRANSFER macro */ |
1351 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1607 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1352 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1608 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1353 | { |
1609 | { |
1354 | dSTACKLEVEL; |
1610 | dSTACKLEVEL; |
1355 | |
1611 | |
1356 | /* sometimes transfer is only called to set idle_sp */ |
1612 | /* sometimes transfer is only called to set idle_sp */ |
1357 | if (expect_false (!prev)) |
1613 | if (ecb_expect_false (!prev)) |
1358 | { |
1614 | { |
1359 | cctx_current->idle_sp = STACKLEVEL; |
1615 | cctx_current->idle_sp = STACKLEVEL; |
1360 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1616 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1361 | } |
1617 | } |
1362 | else if (expect_true (prev != next)) |
1618 | else if (ecb_expect_true (prev != next)) |
1363 | { |
1619 | { |
1364 | coro_cctx *cctx_prev; |
1620 | coro_cctx *cctx_prev; |
1365 | |
1621 | |
1366 | if (expect_false (prev->flags & CF_NEW)) |
1622 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1367 | { |
1623 | { |
1368 | /* create a new empty/source context */ |
1624 | /* create a new empty/source context */ |
1369 | prev->flags &= ~CF_NEW; |
1625 | prev->flags &= ~CF_NEW; |
1370 | prev->flags |= CF_RUNNING; |
1626 | prev->flags |= CF_RUNNING; |
1371 | } |
1627 | } |
… | |
… | |
1374 | next->flags |= CF_RUNNING; |
1630 | next->flags |= CF_RUNNING; |
1375 | |
1631 | |
1376 | /* first get rid of the old state */ |
1632 | /* first get rid of the old state */ |
1377 | save_perl (aTHX_ prev); |
1633 | save_perl (aTHX_ prev); |
1378 | |
1634 | |
1379 | if (expect_false (next->flags & CF_NEW)) |
1635 | if (ecb_expect_false (next->flags & CF_NEW)) |
1380 | { |
1636 | { |
1381 | /* need to start coroutine */ |
1637 | /* need to start coroutine */ |
1382 | next->flags &= ~CF_NEW; |
1638 | next->flags &= ~CF_NEW; |
1383 | /* setup coroutine call */ |
1639 | /* setup coroutine call */ |
1384 | coro_setup (aTHX_ next); |
1640 | init_perl (aTHX_ next); |
1385 | } |
1641 | } |
1386 | else |
1642 | else |
1387 | load_perl (aTHX_ next); |
1643 | load_perl (aTHX_ next); |
1388 | |
1644 | |
1389 | assert (!prev->cctx);//D temporary |
|
|
1390 | |
|
|
1391 | /* possibly untie and reuse the cctx */ |
1645 | /* possibly untie and reuse the cctx */ |
1392 | if (expect_true ( |
1646 | if (ecb_expect_true ( |
1393 | cctx_current->idle_sp == STACKLEVEL |
1647 | cctx_current->idle_sp == STACKLEVEL |
1394 | && !(cctx_current->flags & CC_TRACE) |
1648 | && !(cctx_current->flags & CC_TRACE) |
1395 | && !force_cctx |
1649 | && !force_cctx |
1396 | )) |
1650 | )) |
1397 | { |
1651 | { |
1398 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1652 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1399 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1653 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1400 | |
1654 | |
1401 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1655 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1402 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1656 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1403 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1657 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1404 | if (expect_true (!next->cctx)) |
1658 | if (ecb_expect_true (!next->cctx)) |
1405 | next->cctx = cctx_get (aTHX); |
1659 | next->cctx = cctx_get (aTHX); |
1406 | |
1660 | |
1407 | cctx_put (cctx_current); |
1661 | cctx_put (cctx_current); |
1408 | } |
1662 | } |
1409 | else |
1663 | else |
1410 | prev->cctx = cctx_current; |
1664 | prev->cctx = cctx_current; |
1411 | |
1665 | |
1412 | ++next->usecount; |
1666 | ++next->usecount; |
1413 | |
1667 | |
1414 | cctx_prev = cctx_current; |
1668 | cctx_prev = cctx_current; |
1415 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1669 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1416 | |
1670 | |
1417 | next->cctx = 0; |
1671 | next->cctx = 0; |
1418 | |
1672 | |
1419 | if (expect_false (cctx_prev != cctx_current)) |
1673 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1420 | { |
1674 | { |
1421 | cctx_prev->top_env = PL_top_env; |
1675 | cctx_prev->top_env = PL_top_env; |
1422 | PL_top_env = cctx_current->top_env; |
1676 | PL_top_env = cctx_current->top_env; |
1423 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1677 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1424 | } |
1678 | } |
… | |
… | |
1430 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1684 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1431 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1685 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1432 | |
1686 | |
1433 | /** high level stuff ********************************************************/ |
1687 | /** high level stuff ********************************************************/ |
1434 | |
1688 | |
|
|
1689 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1690 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1435 | static int |
1691 | static void |
|
|
1692 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1693 | |
|
|
1694 | static void |
1436 | coro_state_destroy (pTHX_ struct coro *coro) |
1695 | coro_state_destroy (pTHX_ struct coro *coro) |
1437 | { |
1696 | { |
1438 | if (coro->flags & CF_DESTROYED) |
1697 | if (coro->flags & CF_ZOMBIE) |
1439 | return 0; |
1698 | return; |
1440 | |
1699 | |
1441 | if (coro->on_destroy) |
|
|
1442 | coro->on_destroy (aTHX_ coro); |
1700 | slf_destroy (aTHX_ coro); |
1443 | |
1701 | |
1444 | coro->flags |= CF_DESTROYED; |
1702 | coro->flags |= CF_ZOMBIE; |
1445 | |
1703 | |
1446 | if (coro->flags & CF_READY) |
1704 | if (coro->flags & CF_READY) |
1447 | { |
1705 | { |
1448 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1706 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1449 | /* alternative: look through all ready queues and remove the coro */ |
1707 | /* alternative: look through all ready queues and remove the coro */ |
1450 | --coro_nready; |
1708 | --coro_nready; |
1451 | } |
1709 | } |
1452 | else |
1710 | else |
1453 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1711 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1454 | |
1712 | |
1455 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1713 | if (coro->next) coro->next->prev = coro->prev; |
1456 | { |
1714 | if (coro->prev) coro->prev->next = coro->next; |
1457 | struct coro temp; |
1715 | if (coro == coro_first) coro_first = coro->next; |
1458 | |
1716 | |
1459 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
1717 | if (coro->mainstack |
1460 | |
1718 | && coro->mainstack != main_mainstack |
1461 | save_perl (aTHX_ &temp); |
1719 | && coro->slot |
|
|
1720 | && !PL_dirty) |
1462 | load_perl (aTHX_ coro); |
1721 | destroy_perl (aTHX_ coro); |
1463 | |
|
|
1464 | coro_destruct (aTHX_ coro); |
|
|
1465 | |
|
|
1466 | load_perl (aTHX_ &temp); |
|
|
1467 | |
|
|
1468 | coro->slot = 0; |
|
|
1469 | } |
|
|
1470 | |
1722 | |
1471 | cctx_destroy (coro->cctx); |
1723 | cctx_destroy (coro->cctx); |
1472 | SvREFCNT_dec (coro->startcv); |
1724 | SvREFCNT_dec (coro->startcv); |
1473 | SvREFCNT_dec (coro->args); |
1725 | SvREFCNT_dec (coro->args); |
|
|
1726 | SvREFCNT_dec (coro->swap_sv); |
1474 | SvREFCNT_dec (CORO_THROW); |
1727 | SvREFCNT_dec (CORO_THROW); |
1475 | |
1728 | |
1476 | if (coro->next) coro->next->prev = coro->prev; |
1729 | coro_call_on_destroy (aTHX_ coro); |
1477 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1478 | if (coro == coro_first) coro_first = coro->next; |
|
|
1479 | |
1730 | |
1480 | return 1; |
1731 | /* more destruction mayhem in coro_state_free */ |
1481 | } |
1732 | } |
1482 | |
1733 | |
1483 | static int |
1734 | static int |
1484 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1735 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1485 | { |
1736 | { |
1486 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1737 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1487 | mg->mg_ptr = 0; |
1738 | mg->mg_ptr = 0; |
1488 | |
1739 | |
1489 | coro->hv = 0; |
|
|
1490 | |
|
|
1491 | if (--coro->refcnt < 0) |
|
|
1492 | { |
|
|
1493 | coro_state_destroy (aTHX_ coro); |
1740 | coro_state_destroy (aTHX_ coro); |
|
|
1741 | SvREFCNT_dec (coro->on_destroy); |
|
|
1742 | SvREFCNT_dec (coro->status); |
|
|
1743 | |
1494 | Safefree (coro); |
1744 | Safefree (coro); |
1495 | } |
|
|
1496 | |
1745 | |
1497 | return 0; |
1746 | return 0; |
1498 | } |
1747 | } |
1499 | |
1748 | |
1500 | static int |
1749 | static int ecb_cold |
1501 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1750 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1502 | { |
1751 | { |
1503 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1752 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1504 | |
1753 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1505 | ++coro->refcnt; |
1754 | mg->mg_ptr = 0; |
|
|
1755 | mg->mg_virtual = 0; |
1506 | |
1756 | |
1507 | return 0; |
1757 | return 0; |
1508 | } |
1758 | } |
1509 | |
1759 | |
1510 | static MGVTBL coro_state_vtbl = { |
1760 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1533 | |
1783 | |
1534 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1784 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1535 | TRANSFER (ta, 1); |
1785 | TRANSFER (ta, 1); |
1536 | } |
1786 | } |
1537 | |
1787 | |
1538 | /*****************************************************************************/ |
|
|
1539 | /* gensub: simple closure generation utility */ |
|
|
1540 | |
|
|
1541 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1542 | |
|
|
1543 | /* create a closure from XS, returns a code reference */ |
|
|
1544 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1545 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1546 | static SV * |
|
|
1547 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1548 | { |
|
|
1549 | CV *cv = (CV *)newSV (0); |
|
|
1550 | |
|
|
1551 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1552 | |
|
|
1553 | CvANON_on (cv); |
|
|
1554 | CvISXSUB_on (cv); |
|
|
1555 | CvXSUB (cv) = xsub; |
|
|
1556 | GENSUB_ARG = arg; |
|
|
1557 | |
|
|
1558 | return newRV_noinc ((SV *)cv); |
|
|
1559 | } |
|
|
1560 | |
|
|
1561 | /** Coro ********************************************************************/ |
1788 | /** Coro ********************************************************************/ |
1562 | |
1789 | |
1563 | INLINE void |
1790 | ecb_inline void |
1564 | coro_enq (pTHX_ struct coro *coro) |
1791 | coro_enq (pTHX_ struct coro *coro) |
1565 | { |
1792 | { |
1566 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1793 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1567 | } |
|
|
1568 | |
1794 | |
1569 | INLINE SV * |
1795 | SvREFCNT_inc_NN (coro->hv); |
|
|
1796 | |
|
|
1797 | coro->next_ready = 0; |
|
|
1798 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1799 | ready [1] = coro; |
|
|
1800 | } |
|
|
1801 | |
|
|
1802 | ecb_inline struct coro * |
1570 | coro_deq (pTHX) |
1803 | coro_deq (pTHX) |
1571 | { |
1804 | { |
1572 | int prio; |
1805 | int prio; |
1573 | |
1806 | |
1574 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1807 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1575 | if (AvFILLp (coro_ready [prio]) >= 0) |
1808 | { |
1576 | return av_shift (coro_ready [prio]); |
1809 | struct coro **ready = coro_ready [prio]; |
|
|
1810 | |
|
|
1811 | if (ready [0]) |
|
|
1812 | { |
|
|
1813 | struct coro *coro = ready [0]; |
|
|
1814 | ready [0] = coro->next_ready; |
|
|
1815 | return coro; |
|
|
1816 | } |
|
|
1817 | } |
1577 | |
1818 | |
1578 | return 0; |
1819 | return 0; |
|
|
1820 | } |
|
|
1821 | |
|
|
1822 | static void |
|
|
1823 | invoke_sv_ready_hook_helper (void) |
|
|
1824 | { |
|
|
1825 | dTHX; |
|
|
1826 | dSP; |
|
|
1827 | |
|
|
1828 | ENTER; |
|
|
1829 | SAVETMPS; |
|
|
1830 | |
|
|
1831 | PUSHMARK (SP); |
|
|
1832 | PUTBACK; |
|
|
1833 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1834 | |
|
|
1835 | FREETMPS; |
|
|
1836 | LEAVE; |
1579 | } |
1837 | } |
1580 | |
1838 | |
1581 | static int |
1839 | static int |
1582 | api_ready (pTHX_ SV *coro_sv) |
1840 | api_ready (pTHX_ SV *coro_sv) |
1583 | { |
1841 | { |
1584 | struct coro *coro; |
|
|
1585 | SV *sv_hook; |
|
|
1586 | void (*xs_hook)(void); |
|
|
1587 | |
|
|
1588 | coro = SvSTATE (coro_sv); |
1842 | struct coro *coro = SvSTATE (coro_sv); |
1589 | |
1843 | |
1590 | if (coro->flags & CF_READY) |
1844 | if (coro->flags & CF_READY) |
1591 | return 0; |
1845 | return 0; |
1592 | |
1846 | |
1593 | coro->flags |= CF_READY; |
1847 | coro->flags |= CF_READY; |
1594 | |
1848 | |
1595 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1596 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1597 | |
|
|
1598 | coro_enq (aTHX_ coro); |
1849 | coro_enq (aTHX_ coro); |
1599 | ++coro_nready; |
|
|
1600 | |
1850 | |
1601 | if (sv_hook) |
1851 | if (!coro_nready++) |
1602 | { |
1852 | if (coroapi.readyhook) |
1603 | dSP; |
1853 | coroapi.readyhook (); |
1604 | |
|
|
1605 | ENTER; |
|
|
1606 | SAVETMPS; |
|
|
1607 | |
|
|
1608 | PUSHMARK (SP); |
|
|
1609 | PUTBACK; |
|
|
1610 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1611 | |
|
|
1612 | FREETMPS; |
|
|
1613 | LEAVE; |
|
|
1614 | } |
|
|
1615 | |
|
|
1616 | if (xs_hook) |
|
|
1617 | xs_hook (); |
|
|
1618 | |
1854 | |
1619 | return 1; |
1855 | return 1; |
1620 | } |
1856 | } |
1621 | |
1857 | |
1622 | static int |
1858 | static int |
… | |
… | |
1624 | { |
1860 | { |
1625 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1861 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1626 | } |
1862 | } |
1627 | |
1863 | |
1628 | /* expects to own a reference to next->hv */ |
1864 | /* expects to own a reference to next->hv */ |
1629 | INLINE void |
1865 | ecb_inline void |
1630 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1866 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1631 | { |
1867 | { |
1632 | SV *prev_sv = SvRV (coro_current); |
1868 | SV *prev_sv = SvRV (coro_current); |
1633 | |
1869 | |
1634 | ta->prev = SvSTATE_hv (prev_sv); |
1870 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1645 | static void |
1881 | static void |
1646 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1882 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1647 | { |
1883 | { |
1648 | for (;;) |
1884 | for (;;) |
1649 | { |
1885 | { |
1650 | SV *next_sv = coro_deq (aTHX); |
1886 | struct coro *next = coro_deq (aTHX); |
1651 | |
1887 | |
1652 | if (expect_true (next_sv)) |
1888 | if (ecb_expect_true (next)) |
1653 | { |
1889 | { |
1654 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1655 | |
|
|
1656 | /* cannot transfer to destroyed coros, skip and look for next */ |
1890 | /* cannot transfer to destroyed coros, skip and look for next */ |
1657 | if (expect_false (next->flags & CF_DESTROYED)) |
1891 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1658 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
1892 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1659 | else |
1893 | else |
1660 | { |
1894 | { |
1661 | next->flags &= ~CF_READY; |
1895 | next->flags &= ~CF_READY; |
1662 | --coro_nready; |
1896 | --coro_nready; |
1663 | |
1897 | |
… | |
… | |
1669 | { |
1903 | { |
1670 | /* nothing to schedule: call the idle handler */ |
1904 | /* nothing to schedule: call the idle handler */ |
1671 | if (SvROK (sv_idle) |
1905 | if (SvROK (sv_idle) |
1672 | && SvOBJECT (SvRV (sv_idle))) |
1906 | && SvOBJECT (SvRV (sv_idle))) |
1673 | { |
1907 | { |
|
|
1908 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1909 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1910 | |
1674 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1911 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1675 | api_ready (SvRV (sv_idle)); |
1912 | api_ready (aTHX_ SvRV (sv_idle)); |
1676 | --coro_nready; |
1913 | --coro_nready; |
1677 | } |
1914 | } |
1678 | else |
1915 | else |
1679 | { |
1916 | { |
|
|
1917 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1680 | dSP; |
1918 | dSP; |
1681 | |
1919 | |
1682 | ENTER; |
1920 | ENTER; |
1683 | SAVETMPS; |
1921 | SAVETMPS; |
1684 | |
1922 | |
… | |
… | |
1691 | } |
1929 | } |
1692 | } |
1930 | } |
1693 | } |
1931 | } |
1694 | } |
1932 | } |
1695 | |
1933 | |
1696 | INLINE void |
1934 | ecb_inline void |
1697 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1935 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1698 | { |
1936 | { |
1699 | api_ready (aTHX_ coro_current); |
1937 | api_ready (aTHX_ coro_current); |
1700 | prepare_schedule (aTHX_ ta); |
1938 | prepare_schedule (aTHX_ ta); |
1701 | } |
1939 | } |
1702 | |
1940 | |
1703 | INLINE void |
1941 | ecb_inline void |
1704 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1942 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1705 | { |
1943 | { |
1706 | SV *prev = SvRV (coro_current); |
1944 | SV *prev = SvRV (coro_current); |
1707 | |
1945 | |
1708 | if (coro_nready) |
1946 | if (coro_nready) |
… | |
… | |
1738 | { |
1976 | { |
1739 | struct coro_transfer_args ta; |
1977 | struct coro_transfer_args ta; |
1740 | |
1978 | |
1741 | prepare_cede (aTHX_ &ta); |
1979 | prepare_cede (aTHX_ &ta); |
1742 | |
1980 | |
1743 | if (expect_true (ta.prev != ta.next)) |
1981 | if (ecb_expect_true (ta.prev != ta.next)) |
1744 | { |
1982 | { |
1745 | TRANSFER (ta, 1); |
1983 | TRANSFER (ta, 1); |
1746 | return 1; |
1984 | return 1; |
1747 | } |
1985 | } |
1748 | else |
1986 | else |
… | |
… | |
1791 | coro->slot->runops = RUNOPS_DEFAULT; |
2029 | coro->slot->runops = RUNOPS_DEFAULT; |
1792 | } |
2030 | } |
1793 | } |
2031 | } |
1794 | |
2032 | |
1795 | static void |
2033 | static void |
|
|
2034 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2035 | { |
|
|
2036 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2037 | { |
|
|
2038 | dSP; |
|
|
2039 | |
|
|
2040 | if (gimme_v == G_SCALAR) |
|
|
2041 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2042 | else |
|
|
2043 | { |
|
|
2044 | int i; |
|
|
2045 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2046 | |
|
|
2047 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2048 | PUSHs (AvARRAY (av)[i]); |
|
|
2049 | } |
|
|
2050 | |
|
|
2051 | PUTBACK; |
|
|
2052 | } |
|
|
2053 | } |
|
|
2054 | |
|
|
2055 | static void |
|
|
2056 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2057 | { |
|
|
2058 | if (!coro->on_destroy) |
|
|
2059 | coro->on_destroy = newAV (); |
|
|
2060 | |
|
|
2061 | av_push (coro->on_destroy, cb); |
|
|
2062 | } |
|
|
2063 | |
|
|
2064 | static void |
|
|
2065 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2066 | { |
|
|
2067 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2068 | } |
|
|
2069 | |
|
|
2070 | static int |
|
|
2071 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2072 | { |
|
|
2073 | struct coro *coro = (struct coro *)frame->data; |
|
|
2074 | |
|
|
2075 | if (!coro->status) |
|
|
2076 | return 1; |
|
|
2077 | |
|
|
2078 | frame->destroy = 0; |
|
|
2079 | |
|
|
2080 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2081 | |
|
|
2082 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2083 | |
|
|
2084 | return 0; |
|
|
2085 | } |
|
|
2086 | |
|
|
2087 | static void |
|
|
2088 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2089 | { |
|
|
2090 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2091 | |
|
|
2092 | if (items > 1) |
|
|
2093 | croak ("join called with too many arguments"); |
|
|
2094 | |
|
|
2095 | if (coro->status) |
|
|
2096 | frame->prepare = prepare_nop; |
|
|
2097 | else |
|
|
2098 | { |
|
|
2099 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2100 | frame->prepare = prepare_schedule; |
|
|
2101 | } |
|
|
2102 | |
|
|
2103 | frame->check = slf_check_join; |
|
|
2104 | frame->destroy = slf_destroy_join; |
|
|
2105 | frame->data = (void *)coro; |
|
|
2106 | SvREFCNT_inc (coro->hv); |
|
|
2107 | } |
|
|
2108 | |
|
|
2109 | static void |
1796 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2110 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1797 | { |
2111 | { |
1798 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2112 | AV *od = coro->on_destroy; |
1799 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1800 | |
2113 | |
1801 | if (on_destroyp) |
2114 | if (!od) |
1802 | { |
2115 | return; |
1803 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1804 | |
2116 | |
|
|
2117 | coro->on_destroy = 0; |
|
|
2118 | sv_2mortal ((SV *)od); |
|
|
2119 | |
1805 | while (AvFILLp (on_destroy) >= 0) |
2120 | while (AvFILLp (od) >= 0) |
|
|
2121 | { |
|
|
2122 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2123 | |
|
|
2124 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2125 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2126 | api_ready (aTHX_ cb); |
|
|
2127 | else |
1806 | { |
2128 | { |
1807 | dSP; /* don't disturb outer sp */ |
2129 | dSP; /* don't disturb outer sp */ |
1808 | SV *cb = av_pop (on_destroy); |
|
|
1809 | |
|
|
1810 | PUSHMARK (SP); |
2130 | PUSHMARK (SP); |
1811 | |
2131 | |
1812 | if (statusp) |
2132 | if (coro->status) |
1813 | { |
2133 | { |
1814 | int i; |
2134 | PUTBACK; |
1815 | AV *status = (AV *)SvRV (*statusp); |
2135 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1816 | EXTEND (SP, AvFILLp (status) + 1); |
2136 | SPAGAIN; |
1817 | |
|
|
1818 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1819 | PUSHs (AvARRAY (status)[i]); |
|
|
1820 | } |
2137 | } |
1821 | |
2138 | |
1822 | PUTBACK; |
2139 | PUTBACK; |
1823 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2140 | call_sv (cb, G_VOID | G_DISCARD); |
1824 | } |
2141 | } |
1825 | } |
2142 | } |
1826 | } |
2143 | } |
1827 | |
2144 | |
1828 | static void |
2145 | static void |
1829 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2146 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1830 | { |
2147 | { |
|
|
2148 | AV *av; |
|
|
2149 | |
|
|
2150 | if (coro->status) |
|
|
2151 | { |
|
|
2152 | av = coro->status; |
|
|
2153 | av_clear (av); |
|
|
2154 | } |
|
|
2155 | else |
|
|
2156 | av = coro->status = newAV (); |
|
|
2157 | |
|
|
2158 | /* items are actually not so common, so optimise for this case */ |
|
|
2159 | if (items) |
|
|
2160 | { |
1831 | int i; |
2161 | int i; |
1832 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1833 | AV *av = newAV (); |
|
|
1834 | |
2162 | |
1835 | av_extend (av, items - 1); |
2163 | av_extend (av, items - 1); |
|
|
2164 | |
1836 | for (i = 0; i < items; ++i) |
2165 | for (i = 0; i < items; ++i) |
1837 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2166 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2167 | } |
|
|
2168 | } |
1838 | |
2169 | |
1839 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2170 | static void |
1840 | |
2171 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2172 | { |
1841 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2173 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
1842 | api_ready (aTHX_ sv_manager); |
2174 | api_ready (aTHX_ sv_manager); |
1843 | |
2175 | |
1844 | frame->prepare = prepare_schedule; |
2176 | frame->prepare = prepare_schedule; |
1845 | frame->check = slf_check_repeat; |
2177 | frame->check = slf_check_repeat; |
|
|
2178 | |
|
|
2179 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
2180 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
2181 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2182 | } |
|
|
2183 | |
|
|
2184 | static void |
|
|
2185 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2186 | { |
|
|
2187 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2188 | |
|
|
2189 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2190 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2191 | } |
|
|
2192 | |
|
|
2193 | static void |
|
|
2194 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2195 | { |
|
|
2196 | HV *coro_hv; |
|
|
2197 | struct coro *coro; |
|
|
2198 | |
|
|
2199 | if (items <= 0) |
|
|
2200 | croak ("Coro::cancel called without coro object,"); |
|
|
2201 | |
|
|
2202 | coro = SvSTATE (arg [0]); |
|
|
2203 | coro_hv = coro->hv; |
|
|
2204 | |
|
|
2205 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2206 | |
|
|
2207 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2208 | { |
|
|
2209 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2210 | coro->slf_frame.data = (void *)coro; |
|
|
2211 | |
|
|
2212 | frame->prepare = prepare_nop; |
|
|
2213 | frame->check = slf_check_nop; |
|
|
2214 | } |
|
|
2215 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2216 | { |
|
|
2217 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2218 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2219 | } |
|
|
2220 | else |
|
|
2221 | { |
|
|
2222 | struct coro *self = SvSTATE_current; |
|
|
2223 | |
|
|
2224 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2225 | * unfortunately, this requires some magic trickery, as |
|
|
2226 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2227 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2228 | * besides, I can't get the slow-but-safe version working... |
|
|
2229 | */ |
|
|
2230 | slf_frame.data = 0; |
|
|
2231 | self->flags |= CF_NOCANCEL; |
|
|
2232 | coro_state_destroy (aTHX_ coro); |
|
|
2233 | self->flags &= ~CF_NOCANCEL; |
|
|
2234 | |
|
|
2235 | if (slf_frame.data) |
|
|
2236 | { |
|
|
2237 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2238 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2239 | } |
|
|
2240 | else |
|
|
2241 | { |
|
|
2242 | frame->prepare = prepare_nop; |
|
|
2243 | frame->check = slf_check_nop; |
|
|
2244 | } |
|
|
2245 | } |
|
|
2246 | } |
|
|
2247 | |
|
|
2248 | static int |
|
|
2249 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2250 | { |
|
|
2251 | frame->prepare = 0; |
|
|
2252 | coro_unwind_stacks (aTHX); |
|
|
2253 | |
|
|
2254 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2255 | |
|
|
2256 | return 1; |
|
|
2257 | } |
|
|
2258 | |
|
|
2259 | static int |
|
|
2260 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2261 | { |
|
|
2262 | if (coro->cctx) |
|
|
2263 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2264 | |
|
|
2265 | if (coro->flags & CF_NEW) |
|
|
2266 | { |
|
|
2267 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2268 | coro_state_destroy (aTHX_ coro); |
|
|
2269 | } |
|
|
2270 | else |
|
|
2271 | { |
|
|
2272 | if (!coro->slf_frame.prepare) |
|
|
2273 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2274 | |
|
|
2275 | slf_destroy (aTHX_ coro); |
|
|
2276 | |
|
|
2277 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2278 | coro->slf_frame.prepare = prepare_nop; |
|
|
2279 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2280 | |
|
|
2281 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2282 | } |
|
|
2283 | |
|
|
2284 | return 1; |
1846 | } |
2285 | } |
1847 | |
2286 | |
1848 | /*****************************************************************************/ |
2287 | /*****************************************************************************/ |
1849 | /* async pool handler */ |
2288 | /* async pool handler */ |
1850 | |
2289 | |
… | |
… | |
1881 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2320 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1882 | { |
2321 | { |
1883 | HV *hv = (HV *)SvRV (coro_current); |
2322 | HV *hv = (HV *)SvRV (coro_current); |
1884 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2323 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
1885 | |
2324 | |
1886 | if (expect_true (coro->saved_deffh)) |
2325 | if (ecb_expect_true (coro->saved_deffh)) |
1887 | { |
2326 | { |
1888 | /* subsequent iteration */ |
2327 | /* subsequent iteration */ |
1889 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2328 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1890 | coro->saved_deffh = 0; |
2329 | coro->saved_deffh = 0; |
1891 | |
2330 | |
1892 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2331 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1893 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2332 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1894 | { |
2333 | { |
1895 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2334 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
1896 | coro->invoke_av = newAV (); |
2335 | return; |
1897 | |
|
|
1898 | frame->prepare = prepare_nop; |
|
|
1899 | } |
2336 | } |
1900 | else |
2337 | else |
1901 | { |
2338 | { |
1902 | av_clear (GvAV (PL_defgv)); |
2339 | av_clear (GvAV (PL_defgv)); |
1903 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2340 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
1928 | |
2365 | |
1929 | static void |
2366 | static void |
1930 | coro_rouse_callback (pTHX_ CV *cv) |
2367 | coro_rouse_callback (pTHX_ CV *cv) |
1931 | { |
2368 | { |
1932 | dXSARGS; |
2369 | dXSARGS; |
1933 | SV *data = (SV *)GENSUB_ARG; |
2370 | SV *data = (SV *)S_GENSUB_ARG; |
1934 | |
2371 | |
1935 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2372 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1936 | { |
2373 | { |
1937 | /* first call, set args */ |
2374 | /* first call, set args */ |
|
|
2375 | SV *coro = SvRV (data); |
1938 | AV *av = newAV (); |
2376 | AV *av = newAV (); |
1939 | SV *coro = SvRV (data); |
|
|
1940 | |
2377 | |
1941 | SvRV_set (data, (SV *)av); |
2378 | SvRV_set (data, (SV *)av); |
1942 | api_ready (aTHX_ coro); |
|
|
1943 | SvREFCNT_dec (coro); |
|
|
1944 | |
2379 | |
1945 | /* better take a full copy of the arguments */ |
2380 | /* better take a full copy of the arguments */ |
1946 | while (items--) |
2381 | while (items--) |
1947 | av_store (av, items, newSVsv (ST (items))); |
2382 | av_store (av, items, newSVsv (ST (items))); |
|
|
2383 | |
|
|
2384 | api_ready (aTHX_ coro); |
|
|
2385 | SvREFCNT_dec (coro); |
1948 | } |
2386 | } |
1949 | |
2387 | |
1950 | XSRETURN_EMPTY; |
2388 | XSRETURN_EMPTY; |
1951 | } |
2389 | } |
1952 | |
2390 | |
1953 | static int |
2391 | static int |
1954 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2392 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
1955 | { |
2393 | { |
1956 | SV *data = (SV *)frame->data; |
2394 | SV *data = (SV *)frame->data; |
1957 | |
2395 | |
1958 | if (CORO_THROW) |
2396 | if (CORO_THROW) |
1959 | return 0; |
2397 | return 0; |
1960 | |
2398 | |
1961 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2399 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1962 | return 1; |
2400 | return 1; |
… | |
… | |
1969 | |
2407 | |
1970 | EXTEND (SP, AvFILLp (av) + 1); |
2408 | EXTEND (SP, AvFILLp (av) + 1); |
1971 | for (i = 0; i <= AvFILLp (av); ++i) |
2409 | for (i = 0; i <= AvFILLp (av); ++i) |
1972 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2410 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
1973 | |
2411 | |
1974 | /* we have stolen the elements, so ste length to zero and free */ |
2412 | /* we have stolen the elements, so set length to zero and free */ |
1975 | AvFILLp (av) = -1; |
2413 | AvFILLp (av) = -1; |
1976 | av_undef (av); |
2414 | av_undef (av); |
1977 | |
2415 | |
1978 | PUTBACK; |
2416 | PUTBACK; |
1979 | } |
2417 | } |
… | |
… | |
1998 | cb = sv_2mortal (coro->rouse_cb); |
2436 | cb = sv_2mortal (coro->rouse_cb); |
1999 | coro->rouse_cb = 0; |
2437 | coro->rouse_cb = 0; |
2000 | } |
2438 | } |
2001 | |
2439 | |
2002 | if (!SvROK (cb) |
2440 | if (!SvROK (cb) |
2003 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2441 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2004 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2442 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2005 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2443 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2006 | |
2444 | |
2007 | { |
2445 | { |
2008 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2446 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2009 | SV *data = (SV *)GENSUB_ARG; |
2447 | SV *data = (SV *)S_GENSUB_ARG; |
2010 | |
2448 | |
2011 | frame->data = (void *)data; |
2449 | frame->data = (void *)data; |
2012 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2450 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2013 | frame->check = slf_check_rouse_wait; |
2451 | frame->check = slf_check_rouse_wait; |
2014 | } |
2452 | } |
… | |
… | |
2018 | coro_new_rouse_cb (pTHX) |
2456 | coro_new_rouse_cb (pTHX) |
2019 | { |
2457 | { |
2020 | HV *hv = (HV *)SvRV (coro_current); |
2458 | HV *hv = (HV *)SvRV (coro_current); |
2021 | struct coro *coro = SvSTATE_hv (hv); |
2459 | struct coro *coro = SvSTATE_hv (hv); |
2022 | SV *data = newRV_inc ((SV *)hv); |
2460 | SV *data = newRV_inc ((SV *)hv); |
2023 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2461 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2024 | |
2462 | |
2025 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2463 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2026 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2464 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2027 | |
2465 | |
2028 | SvREFCNT_dec (coro->rouse_cb); |
2466 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
2125 | static void |
2563 | static void |
2126 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2564 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2127 | { |
2565 | { |
2128 | frame->prepare = prepare_cede_notself; |
2566 | frame->prepare = prepare_cede_notself; |
2129 | frame->check = slf_check_nop; |
2567 | frame->check = slf_check_nop; |
|
|
2568 | } |
|
|
2569 | |
|
|
2570 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2571 | static void |
|
|
2572 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2573 | { |
|
|
2574 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2575 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2576 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2577 | |
|
|
2578 | /* |
|
|
2579 | * The on_destroy above most likely is from an SLF call. |
|
|
2580 | * Since by definition the SLF call will not finish when we destroy |
|
|
2581 | * the coro, we will have to force-finish it here, otherwise |
|
|
2582 | * cleanup functions cannot call SLF functions. |
|
|
2583 | */ |
|
|
2584 | coro->slf_frame.prepare = 0; |
2130 | } |
2585 | } |
2131 | |
2586 | |
2132 | /* |
2587 | /* |
2133 | * these not obviously related functions are all rolled into one |
2588 | * these not obviously related functions are all rolled into one |
2134 | * function to increase chances that they all will call transfer with the same |
2589 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2141 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2596 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2142 | |
2597 | |
2143 | /* set up the slf frame, unless it has already been set-up */ |
2598 | /* set up the slf frame, unless it has already been set-up */ |
2144 | /* the latter happens when a new coro has been started */ |
2599 | /* the latter happens when a new coro has been started */ |
2145 | /* or when a new cctx was attached to an existing coroutine */ |
2600 | /* or when a new cctx was attached to an existing coroutine */ |
2146 | if (expect_true (!slf_frame.prepare)) |
2601 | if (ecb_expect_true (!slf_frame.prepare)) |
2147 | { |
2602 | { |
2148 | /* first iteration */ |
2603 | /* first iteration */ |
2149 | dSP; |
2604 | dSP; |
2150 | SV **arg = PL_stack_base + TOPMARK + 1; |
2605 | SV **arg = PL_stack_base + TOPMARK + 1; |
2151 | int items = SP - arg; /* args without function object */ |
2606 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2192 | while (slf_frame.check (aTHX_ &slf_frame)); |
2647 | while (slf_frame.check (aTHX_ &slf_frame)); |
2193 | |
2648 | |
2194 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2649 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2195 | |
2650 | |
2196 | /* exception handling */ |
2651 | /* exception handling */ |
2197 | if (expect_false (CORO_THROW)) |
2652 | if (ecb_expect_false (CORO_THROW)) |
2198 | { |
2653 | { |
2199 | SV *exception = sv_2mortal (CORO_THROW); |
2654 | SV *exception = sv_2mortal (CORO_THROW); |
2200 | |
2655 | |
2201 | CORO_THROW = 0; |
2656 | CORO_THROW = 0; |
2202 | sv_setsv (ERRSV, exception); |
2657 | sv_setsv (ERRSV, exception); |
2203 | croak (0); |
2658 | croak (0); |
2204 | } |
2659 | } |
2205 | |
2660 | |
2206 | /* return value handling - mostly like entersub */ |
2661 | /* return value handling - mostly like entersub */ |
2207 | /* make sure we put something on the stack in scalar context */ |
2662 | /* make sure we put something on the stack in scalar context */ |
2208 | if (GIMME_V == G_SCALAR) |
2663 | if (GIMME_V == G_SCALAR |
|
|
2664 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2209 | { |
2665 | { |
2210 | dSP; |
2666 | dSP; |
2211 | SV **bot = PL_stack_base + checkmark; |
2667 | SV **bot = PL_stack_base + checkmark; |
2212 | |
2668 | |
2213 | if (sp == bot) /* too few, push undef */ |
2669 | if (sp == bot) /* too few, push undef */ |
2214 | bot [1] = &PL_sv_undef; |
2670 | bot [1] = &PL_sv_undef; |
2215 | else if (sp != bot + 1) /* too many, take last one */ |
2671 | else /* too many, take last one */ |
2216 | bot [1] = *sp; |
2672 | bot [1] = *sp; |
2217 | |
2673 | |
2218 | SP = bot + 1; |
2674 | SP = bot + 1; |
2219 | |
2675 | |
2220 | PUTBACK; |
2676 | PUTBACK; |
… | |
… | |
2253 | if (PL_op->op_flags & OPf_STACKED) |
2709 | if (PL_op->op_flags & OPf_STACKED) |
2254 | { |
2710 | { |
2255 | if (items > slf_arga) |
2711 | if (items > slf_arga) |
2256 | { |
2712 | { |
2257 | slf_arga = items; |
2713 | slf_arga = items; |
2258 | free (slf_argv); |
2714 | Safefree (slf_argv); |
2259 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2715 | New (0, slf_argv, slf_arga, SV *); |
2260 | } |
2716 | } |
2261 | |
2717 | |
2262 | slf_argc = items; |
2718 | slf_argc = items; |
2263 | |
2719 | |
2264 | for (i = 0; i < items; ++i) |
2720 | for (i = 0; i < items; ++i) |
… | |
… | |
2269 | |
2725 | |
2270 | PL_op->op_ppaddr = pp_slf; |
2726 | PL_op->op_ppaddr = pp_slf; |
2271 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2727 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2272 | |
2728 | |
2273 | PL_op = (OP *)&slf_restore; |
2729 | PL_op = (OP *)&slf_restore; |
|
|
2730 | } |
|
|
2731 | |
|
|
2732 | /*****************************************************************************/ |
|
|
2733 | /* dynamic wind */ |
|
|
2734 | |
|
|
2735 | static void |
|
|
2736 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2737 | { |
|
|
2738 | dSP; |
|
|
2739 | |
|
|
2740 | PUSHSTACK; |
|
|
2741 | |
|
|
2742 | PUSHMARK (SP); |
|
|
2743 | PUTBACK; |
|
|
2744 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2745 | SPAGAIN; |
|
|
2746 | |
|
|
2747 | POPSTACK; |
|
|
2748 | } |
|
|
2749 | |
|
|
2750 | static SV * |
|
|
2751 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2752 | { |
|
|
2753 | AV *av = *avp; |
|
|
2754 | SV *res = av_pop (av); |
|
|
2755 | |
|
|
2756 | if (AvFILLp (av) < 0) |
|
|
2757 | { |
|
|
2758 | *avp = 0; |
|
|
2759 | SvREFCNT_dec (av); |
|
|
2760 | } |
|
|
2761 | |
|
|
2762 | return res; |
|
|
2763 | } |
|
|
2764 | |
|
|
2765 | static void |
|
|
2766 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2767 | { |
|
|
2768 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2769 | SvREFCNT_dec (cb); |
|
|
2770 | } |
|
|
2771 | |
|
|
2772 | static void |
|
|
2773 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2774 | { |
|
|
2775 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2776 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2274 | } |
2777 | } |
2275 | |
2778 | |
2276 | /*****************************************************************************/ |
2779 | /*****************************************************************************/ |
2277 | /* PerlIO::cede */ |
2780 | /* PerlIO::cede */ |
2278 | |
2781 | |
… | |
… | |
2280 | { |
2783 | { |
2281 | PerlIOBuf base; |
2784 | PerlIOBuf base; |
2282 | NV next, every; |
2785 | NV next, every; |
2283 | } PerlIOCede; |
2786 | } PerlIOCede; |
2284 | |
2787 | |
2285 | static IV |
2788 | static IV ecb_cold |
2286 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2789 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2287 | { |
2790 | { |
2288 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2791 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2289 | |
2792 | |
2290 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2793 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2291 | self->next = nvtime () + self->every; |
2794 | self->next = nvtime () + self->every; |
2292 | |
2795 | |
2293 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2796 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2294 | } |
2797 | } |
2295 | |
2798 | |
2296 | static SV * |
2799 | static SV * ecb_cold |
2297 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2800 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2298 | { |
2801 | { |
2299 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2802 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2300 | |
2803 | |
2301 | return newSVnv (self->every); |
2804 | return newSVnv (self->every); |
… | |
… | |
2352 | /* Coro::Semaphore & Coro::Signal */ |
2855 | /* Coro::Semaphore & Coro::Signal */ |
2353 | |
2856 | |
2354 | static SV * |
2857 | static SV * |
2355 | coro_waitarray_new (pTHX_ int count) |
2858 | coro_waitarray_new (pTHX_ int count) |
2356 | { |
2859 | { |
2357 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2860 | /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2358 | AV *av = newAV (); |
2861 | AV *av = newAV (); |
2359 | SV **ary; |
2862 | SV **ary; |
2360 | |
2863 | |
2361 | /* unfortunately, building manually saves memory */ |
2864 | /* unfortunately, building manually saves memory */ |
2362 | Newx (ary, 2, SV *); |
2865 | Newx (ary, 2, SV *); |
2363 | AvALLOC (av) = ary; |
2866 | AvALLOC (av) = ary; |
|
|
2867 | #if PERL_VERSION_ATLEAST (5,10,0) |
2364 | /*AvARRAY (av) = ary;*/ |
2868 | AvARRAY (av) = ary; |
|
|
2869 | #else |
2365 | SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */ |
2870 | /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */ |
|
|
2871 | /* -DDEBUGGING flags this as a bug, despite it perfectly working */ |
|
|
2872 | SvPVX ((SV *)av) = (char *)ary; |
|
|
2873 | #endif |
2366 | AvMAX (av) = 1; |
2874 | AvMAX (av) = 1; |
2367 | AvFILLp (av) = 0; |
2875 | AvFILLp (av) = 0; |
2368 | ary [0] = newSViv (count); |
2876 | ary [0] = newSViv (count); |
2369 | |
2877 | |
2370 | return newRV_noinc ((SV *)av); |
2878 | return newRV_noinc ((SV *)av); |
… | |
… | |
2408 | SvREFCNT_dec (cb); |
2916 | SvREFCNT_dec (cb); |
2409 | } |
2917 | } |
2410 | } |
2918 | } |
2411 | |
2919 | |
2412 | static void |
2920 | static void |
2413 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2921 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2414 | { |
2922 | { |
2415 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2923 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2416 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2924 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2417 | } |
2925 | } |
2418 | |
2926 | |
2419 | static int |
2927 | static int |
2420 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2928 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2421 | { |
2929 | { |
2422 | AV *av = (AV *)frame->data; |
2930 | AV *av = (AV *)frame->data; |
2423 | SV *count_sv = AvARRAY (av)[0]; |
2931 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2932 | SV *coro_hv = SvRV (coro_current); |
2424 | |
2933 | |
2425 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2934 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2426 | if (CORO_THROW) |
2935 | if (CORO_THROW) |
2427 | return 0; |
2936 | return 0; |
2428 | else if (SvIVX (count_sv) > 0) |
2937 | else if (SvIVX (count_sv) > 0) |
2429 | { |
2938 | { |
2430 | SvSTATE_current->on_destroy = 0; |
2939 | frame->destroy = 0; |
2431 | |
2940 | |
2432 | if (acquire) |
2941 | if (acquire) |
2433 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2942 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2434 | else |
2943 | else |
2435 | coro_semaphore_adjust (aTHX_ av, 0); |
2944 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2440 | { |
2949 | { |
2441 | int i; |
2950 | int i; |
2442 | /* if we were woken up but can't down, we look through the whole */ |
2951 | /* if we were woken up but can't down, we look through the whole */ |
2443 | /* waiters list and only add us if we aren't in there already */ |
2952 | /* waiters list and only add us if we aren't in there already */ |
2444 | /* this avoids some degenerate memory usage cases */ |
2953 | /* this avoids some degenerate memory usage cases */ |
2445 | |
2954 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2446 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2447 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2955 | if (AvARRAY (av)[i] == coro_hv) |
2448 | return 1; |
2956 | return 1; |
2449 | |
2957 | |
2450 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2958 | av_push (av, SvREFCNT_inc (coro_hv)); |
2451 | return 1; |
2959 | return 1; |
2452 | } |
2960 | } |
2453 | } |
2961 | } |
2454 | |
2962 | |
2455 | static int |
2963 | static int |
… | |
… | |
2478 | { |
2986 | { |
2479 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2987 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2480 | |
2988 | |
2481 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2989 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2482 | frame->prepare = prepare_schedule; |
2990 | frame->prepare = prepare_schedule; |
2483 | |
|
|
2484 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2991 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2485 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2992 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2486 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2993 | frame->destroy = coro_semaphore_destroy; |
2487 | } |
2994 | } |
2488 | } |
2995 | } |
2489 | |
2996 | |
2490 | static void |
2997 | static void |
2491 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2998 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2499 | { |
3006 | { |
2500 | if (items >= 2) |
3007 | if (items >= 2) |
2501 | { |
3008 | { |
2502 | /* callback form */ |
3009 | /* callback form */ |
2503 | AV *av = (AV *)SvRV (arg [0]); |
3010 | AV *av = (AV *)SvRV (arg [0]); |
2504 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
3011 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2505 | |
3012 | |
2506 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
3013 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2507 | |
3014 | |
2508 | if (SvIVX (AvARRAY (av)[0]) > 0) |
3015 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2509 | coro_semaphore_adjust (aTHX_ av, 0); |
3016 | coro_semaphore_adjust (aTHX_ av, 0); |
2510 | |
3017 | |
2511 | frame->prepare = prepare_nop; |
3018 | frame->prepare = prepare_nop; |
… | |
… | |
2535 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
3042 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2536 | AvARRAY (av)[1] = cb; |
3043 | AvARRAY (av)[1] = cb; |
2537 | |
3044 | |
2538 | cb = av_shift (av); |
3045 | cb = av_shift (av); |
2539 | |
3046 | |
|
|
3047 | if (SvTYPE (cb) == SVt_PVCV) |
|
|
3048 | { |
|
|
3049 | dSP; |
|
|
3050 | PUSHMARK (SP); |
|
|
3051 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
3052 | PUTBACK; |
|
|
3053 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
3054 | } |
|
|
3055 | else |
|
|
3056 | { |
2540 | api_ready (aTHX_ cb); |
3057 | api_ready (aTHX_ cb); |
2541 | sv_setiv (cb, 0); /* signal waiter */ |
3058 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
3059 | } |
|
|
3060 | |
2542 | SvREFCNT_dec (cb); |
3061 | SvREFCNT_dec (cb); |
2543 | |
3062 | |
2544 | --count; |
3063 | --count; |
2545 | } |
3064 | } |
2546 | } |
3065 | } |
… | |
… | |
2555 | static void |
3074 | static void |
2556 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3075 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2557 | { |
3076 | { |
2558 | AV *av = (AV *)SvRV (arg [0]); |
3077 | AV *av = (AV *)SvRV (arg [0]); |
2559 | |
3078 | |
|
|
3079 | if (items >= 2) |
|
|
3080 | { |
|
|
3081 | SV *cb_cv = s_get_cv_croak (arg [1]); |
|
|
3082 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
3083 | |
2560 | if (SvIVX (AvARRAY (av)[0])) |
3084 | if (SvIVX (AvARRAY (av)[0])) |
|
|
3085 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
|
|
3086 | |
|
|
3087 | frame->prepare = prepare_nop; |
|
|
3088 | frame->check = slf_check_nop; |
|
|
3089 | } |
|
|
3090 | else if (SvIVX (AvARRAY (av)[0])) |
2561 | { |
3091 | { |
2562 | SvIVX (AvARRAY (av)[0]) = 0; |
3092 | SvIVX (AvARRAY (av)[0]) = 0; |
2563 | frame->prepare = prepare_nop; |
3093 | frame->prepare = prepare_nop; |
2564 | frame->check = slf_check_nop; |
3094 | frame->check = slf_check_nop; |
2565 | } |
3095 | } |
2566 | else |
3096 | else |
2567 | { |
3097 | { |
2568 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
3098 | SV *waiter = newSVsv (coro_current); /* owned by signal av */ |
2569 | |
3099 | |
2570 | av_push (av, waiter); |
3100 | av_push (av, waiter); |
2571 | |
3101 | |
2572 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
3102 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2573 | frame->prepare = prepare_schedule; |
3103 | frame->prepare = prepare_schedule; |
… | |
… | |
2591 | |
3121 | |
2592 | static void |
3122 | static void |
2593 | coro_aio_callback (pTHX_ CV *cv) |
3123 | coro_aio_callback (pTHX_ CV *cv) |
2594 | { |
3124 | { |
2595 | dXSARGS; |
3125 | dXSARGS; |
2596 | AV *state = (AV *)GENSUB_ARG; |
3126 | AV *state = (AV *)S_GENSUB_ARG; |
2597 | SV *coro = av_pop (state); |
3127 | SV *coro = av_pop (state); |
2598 | SV *data_sv = newSV (sizeof (struct io_state)); |
3128 | SV *data_sv = newSV (sizeof (struct io_state)); |
2599 | |
3129 | |
2600 | av_extend (state, items - 1); |
3130 | av_extend (state, items - 1); |
2601 | |
3131 | |
… | |
… | |
2637 | /* it quickly returns */ |
3167 | /* it quickly returns */ |
2638 | if (CORO_THROW) |
3168 | if (CORO_THROW) |
2639 | return 0; |
3169 | return 0; |
2640 | |
3170 | |
2641 | /* one element that is an RV? repeat! */ |
3171 | /* one element that is an RV? repeat! */ |
2642 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3172 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
2643 | return 1; |
3173 | return 1; |
2644 | |
3174 | |
2645 | /* restore status */ |
3175 | /* restore status */ |
2646 | { |
3176 | { |
2647 | SV *data_sv = av_pop (state); |
3177 | SV *data_sv = av_pop (state); |
… | |
… | |
2686 | dSP; |
3216 | dSP; |
2687 | |
3217 | |
2688 | static SV *prio_cv; |
3218 | static SV *prio_cv; |
2689 | static SV *prio_sv; |
3219 | static SV *prio_sv; |
2690 | |
3220 | |
2691 | if (expect_false (!prio_cv)) |
3221 | if (ecb_expect_false (!prio_cv)) |
2692 | { |
3222 | { |
2693 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3223 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2694 | prio_sv = newSViv (0); |
3224 | prio_sv = newSViv (0); |
2695 | } |
3225 | } |
2696 | |
3226 | |
… | |
… | |
2715 | |
3245 | |
2716 | for (i = 0; i < items; ++i) |
3246 | for (i = 0; i < items; ++i) |
2717 | PUSHs (arg [i]); |
3247 | PUSHs (arg [i]); |
2718 | |
3248 | |
2719 | /* now push the callback closure */ |
3249 | /* now push the callback closure */ |
2720 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3250 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2721 | |
3251 | |
2722 | /* now call the AIO function - we assume our request is uncancelable */ |
3252 | /* now call the AIO function - we assume our request is uncancelable */ |
2723 | PUTBACK; |
3253 | PUTBACK; |
2724 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3254 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2725 | } |
3255 | } |
2726 | |
3256 | |
2727 | /* now that the requets is going, we loop toll we have a result */ |
3257 | /* now that the request is going, we loop till we have a result */ |
2728 | frame->data = (void *)state; |
3258 | frame->data = (void *)state; |
2729 | frame->prepare = prepare_schedule; |
3259 | frame->prepare = prepare_schedule; |
2730 | frame->check = slf_check_aio_req; |
3260 | frame->check = slf_check_aio_req; |
2731 | } |
3261 | } |
2732 | |
3262 | |
… | |
… | |
2742 | |
3272 | |
2743 | /*****************************************************************************/ |
3273 | /*****************************************************************************/ |
2744 | |
3274 | |
2745 | #if CORO_CLONE |
3275 | #if CORO_CLONE |
2746 | # include "clone.c" |
3276 | # include "clone.c" |
|
|
3277 | #endif |
|
|
3278 | |
|
|
3279 | /*****************************************************************************/ |
|
|
3280 | |
|
|
3281 | static SV * |
|
|
3282 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3283 | { |
|
|
3284 | SV *coro_sv; |
|
|
3285 | struct coro *coro; |
|
|
3286 | MAGIC *mg; |
|
|
3287 | HV *hv; |
|
|
3288 | SV *cb; |
|
|
3289 | int i; |
|
|
3290 | |
|
|
3291 | if (argc > 0) |
|
|
3292 | { |
|
|
3293 | cb = s_get_cv_croak (argv [0]); |
|
|
3294 | |
|
|
3295 | if (!is_coro) |
|
|
3296 | { |
|
|
3297 | if (CvISXSUB (cb)) |
|
|
3298 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3299 | |
|
|
3300 | if (!CvROOT (cb)) |
|
|
3301 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3302 | } |
|
|
3303 | } |
|
|
3304 | |
|
|
3305 | Newz (0, coro, 1, struct coro); |
|
|
3306 | coro->args = newAV (); |
|
|
3307 | coro->flags = CF_NEW; |
|
|
3308 | |
|
|
3309 | if (coro_first) coro_first->prev = coro; |
|
|
3310 | coro->next = coro_first; |
|
|
3311 | coro_first = coro; |
|
|
3312 | |
|
|
3313 | coro->hv = hv = newHV (); |
|
|
3314 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3315 | mg->mg_flags |= MGf_DUP; |
|
|
3316 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3317 | |
|
|
3318 | if (argc > 0) |
|
|
3319 | { |
|
|
3320 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3321 | |
|
|
3322 | if (is_coro) |
|
|
3323 | { |
|
|
3324 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3325 | cb = (SV *)cv_coro_run; |
|
|
3326 | } |
|
|
3327 | |
|
|
3328 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3329 | |
|
|
3330 | for (i = 1; i < argc; i++) |
|
|
3331 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3332 | } |
|
|
3333 | |
|
|
3334 | return coro_sv; |
|
|
3335 | } |
|
|
3336 | |
|
|
3337 | #ifndef __cplusplus |
|
|
3338 | ecb_cold XS(boot_Coro__State); |
|
|
3339 | #endif |
|
|
3340 | |
|
|
3341 | #if CORO_JIT |
|
|
3342 | |
|
|
3343 | static void ecb_noinline ecb_cold |
|
|
3344 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3345 | { |
|
|
3346 | dSP; |
|
|
3347 | AV *av = newAV (); |
|
|
3348 | |
|
|
3349 | av_store (av, 3, newSVuv (d)); |
|
|
3350 | av_store (av, 2, newSVuv (c)); |
|
|
3351 | av_store (av, 1, newSVuv (b)); |
|
|
3352 | av_store (av, 0, newSVuv (a)); |
|
|
3353 | |
|
|
3354 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3355 | |
|
|
3356 | PUTBACK; |
|
|
3357 | } |
|
|
3358 | |
|
|
3359 | static void ecb_noinline ecb_cold |
|
|
3360 | jit_init (pTHX) |
|
|
3361 | { |
|
|
3362 | dSP; |
|
|
3363 | SV *load, *save; |
|
|
3364 | char *map_base; |
|
|
3365 | char *load_ptr, *save_ptr; |
|
|
3366 | STRLEN load_len, save_len, map_len; |
|
|
3367 | int count; |
|
|
3368 | |
|
|
3369 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3370 | |
|
|
3371 | PUSHMARK (SP); |
|
|
3372 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3373 | #include "state.h" |
|
|
3374 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3375 | SPAGAIN; |
|
|
3376 | |
|
|
3377 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3378 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3379 | |
|
|
3380 | map_len = load_len + save_len + 16; |
|
|
3381 | |
|
|
3382 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3383 | |
|
|
3384 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3385 | |
|
|
3386 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3387 | memcpy (map_base, load_ptr, load_len); |
|
|
3388 | |
|
|
3389 | map_base += (load_len + 15) & ~15; |
|
|
3390 | |
|
|
3391 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3392 | memcpy (map_base, save_ptr, save_len); |
|
|
3393 | |
|
|
3394 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3395 | /* hackers might have it a bit more difficult */ |
|
|
3396 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3397 | |
|
|
3398 | PUTBACK; |
|
|
3399 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3400 | } |
|
|
3401 | |
2747 | #endif |
3402 | #endif |
2748 | |
3403 | |
2749 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3404 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2750 | |
3405 | |
2751 | PROTOTYPES: DISABLE |
3406 | PROTOTYPES: DISABLE |
… | |
… | |
2755 | #ifdef USE_ITHREADS |
3410 | #ifdef USE_ITHREADS |
2756 | # if CORO_PTHREAD |
3411 | # if CORO_PTHREAD |
2757 | coro_thx = PERL_GET_CONTEXT; |
3412 | coro_thx = PERL_GET_CONTEXT; |
2758 | # endif |
3413 | # endif |
2759 | #endif |
3414 | #endif |
2760 | BOOT_PAGESIZE; |
3415 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3416 | /* just create them one at init time is not clear to me, except for */ |
|
|
3417 | /* programs trying to delete them, but... */ |
|
|
3418 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3419 | DEFSV; |
|
|
3420 | ERRSV; |
2761 | |
3421 | |
2762 | cctx_current = cctx_new_empty (); |
3422 | cctx_current = cctx_new_empty (); |
2763 | |
3423 | |
2764 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3424 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2765 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3425 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
2805 | coroapi.prepare_nop = prepare_nop; |
3465 | coroapi.prepare_nop = prepare_nop; |
2806 | coroapi.prepare_schedule = prepare_schedule; |
3466 | coroapi.prepare_schedule = prepare_schedule; |
2807 | coroapi.prepare_cede = prepare_cede; |
3467 | coroapi.prepare_cede = prepare_cede; |
2808 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3468 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2809 | |
3469 | |
2810 | { |
3470 | time_init (aTHX); |
2811 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2812 | |
3471 | |
2813 | if (!svp) croak ("Time::HiRes is required"); |
|
|
2814 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
2815 | |
|
|
2816 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
2817 | } |
|
|
2818 | |
|
|
2819 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
3472 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3473 | #if CORO_JIT |
|
|
3474 | PUTBACK; |
|
|
3475 | jit_init (aTHX); |
|
|
3476 | SPAGAIN; |
|
|
3477 | #endif |
2820 | } |
3478 | } |
2821 | |
3479 | |
2822 | SV * |
3480 | SV * |
2823 | new (char *klass, ...) |
3481 | new (SV *klass, ...) |
2824 | ALIAS: |
3482 | ALIAS: |
2825 | Coro::new = 1 |
3483 | Coro::new = 1 |
2826 | CODE: |
3484 | CODE: |
2827 | { |
3485 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2828 | struct coro *coro; |
3486 | OUTPUT: |
2829 | MAGIC *mg; |
|
|
2830 | HV *hv; |
|
|
2831 | CV *cb; |
|
|
2832 | int i; |
|
|
2833 | |
|
|
2834 | if (items > 1) |
|
|
2835 | { |
|
|
2836 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2837 | |
|
|
2838 | if (!ix) |
|
|
2839 | { |
|
|
2840 | if (CvISXSUB (cb)) |
|
|
2841 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2842 | |
|
|
2843 | if (!CvROOT (cb)) |
|
|
2844 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2845 | } |
|
|
2846 | } |
|
|
2847 | |
|
|
2848 | Newz (0, coro, 1, struct coro); |
|
|
2849 | coro->args = newAV (); |
|
|
2850 | coro->flags = CF_NEW; |
|
|
2851 | |
|
|
2852 | if (coro_first) coro_first->prev = coro; |
|
|
2853 | coro->next = coro_first; |
|
|
2854 | coro_first = coro; |
|
|
2855 | |
|
|
2856 | coro->hv = hv = newHV (); |
|
|
2857 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2858 | mg->mg_flags |= MGf_DUP; |
|
|
2859 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
2860 | |
|
|
2861 | if (items > 1) |
|
|
2862 | { |
|
|
2863 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2864 | |
|
|
2865 | if (ix) |
|
|
2866 | { |
|
|
2867 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2868 | cb = cv_coro_run; |
|
|
2869 | } |
|
|
2870 | |
|
|
2871 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2872 | |
|
|
2873 | for (i = 2; i < items; i++) |
|
|
2874 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2875 | } |
|
|
2876 | } |
|
|
2877 | OUTPUT: |
|
|
2878 | RETVAL |
3487 | RETVAL |
2879 | |
3488 | |
2880 | void |
3489 | void |
2881 | transfer (...) |
3490 | transfer (...) |
2882 | PROTOTYPE: $$ |
3491 | PROTOTYPE: $$ |
2883 | CODE: |
3492 | CODE: |
2884 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3493 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
2885 | |
3494 | |
2886 | bool |
|
|
2887 | _destroy (SV *coro_sv) |
|
|
2888 | CODE: |
|
|
2889 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
2890 | OUTPUT: |
|
|
2891 | RETVAL |
|
|
2892 | |
|
|
2893 | void |
|
|
2894 | _exit (int code) |
|
|
2895 | PROTOTYPE: $ |
|
|
2896 | CODE: |
|
|
2897 | _exit (code); |
|
|
2898 | |
|
|
2899 | SV * |
3495 | SV * |
2900 | clone (Coro::State coro) |
3496 | clone (Coro::State coro) |
2901 | CODE: |
3497 | CODE: |
2902 | { |
3498 | { |
2903 | #if CORO_CLONE |
3499 | #if CORO_CLONE |
2904 | struct coro *ncoro = coro_clone (coro); |
3500 | struct coro *ncoro = coro_clone (aTHX_ coro); |
2905 | MAGIC *mg; |
3501 | MAGIC *mg; |
2906 | /* TODO: too much duplication */ |
3502 | /* TODO: too much duplication */ |
2907 | ncoro->hv = newHV (); |
3503 | ncoro->hv = newHV (); |
2908 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
3504 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
2909 | mg->mg_flags |= MGf_DUP; |
3505 | mg->mg_flags |= MGf_DUP; |
… | |
… | |
2957 | void |
3553 | void |
2958 | list () |
3554 | list () |
2959 | PROTOTYPE: |
3555 | PROTOTYPE: |
2960 | PPCODE: |
3556 | PPCODE: |
2961 | { |
3557 | { |
2962 | struct coro *coro; |
3558 | struct coro *coro; |
2963 | for (coro = coro_first; coro; coro = coro->next) |
3559 | for (coro = coro_first; coro; coro = coro->next) |
2964 | if (coro->hv) |
3560 | if (coro->hv) |
2965 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3561 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
2966 | } |
3562 | } |
2967 | |
3563 | |
… | |
… | |
2971 | eval = 1 |
3567 | eval = 1 |
2972 | CODE: |
3568 | CODE: |
2973 | { |
3569 | { |
2974 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3570 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2975 | { |
3571 | { |
2976 | struct coro temp; |
3572 | struct coro *current = SvSTATE_current; |
|
|
3573 | struct CoroSLF slf_save; |
2977 | |
3574 | |
2978 | if (!(coro->flags & CF_RUNNING)) |
3575 | if (current != coro) |
2979 | { |
3576 | { |
2980 | PUTBACK; |
3577 | PUTBACK; |
2981 | save_perl (aTHX_ &temp); |
3578 | save_perl (aTHX_ current); |
2982 | load_perl (aTHX_ coro); |
3579 | load_perl (aTHX_ coro); |
|
|
3580 | /* the coro is most likely in an active SLF call. |
|
|
3581 | * while not strictly required (the code we execute is |
|
|
3582 | * not allowed to call any SLF functions), it's cleaner |
|
|
3583 | * to reinitialise the slf_frame and restore it later. |
|
|
3584 | * This might one day allow us to actually do SLF calls |
|
|
3585 | * from code executed here. |
|
|
3586 | */ |
|
|
3587 | slf_save = slf_frame; |
|
|
3588 | slf_frame.prepare = 0; |
|
|
3589 | SPAGAIN; |
2983 | } |
3590 | } |
2984 | |
3591 | |
2985 | { |
|
|
2986 | dSP; |
|
|
2987 | ENTER; |
|
|
2988 | SAVETMPS; |
|
|
2989 | PUTBACK; |
|
|
2990 | PUSHSTACK; |
3592 | PUSHSTACK; |
|
|
3593 | |
2991 | PUSHMARK (SP); |
3594 | PUSHMARK (SP); |
|
|
3595 | PUTBACK; |
2992 | |
3596 | |
2993 | if (ix) |
3597 | if (ix) |
2994 | eval_sv (coderef, 0); |
3598 | eval_sv (coderef, 0); |
2995 | else |
3599 | else |
2996 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3600 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2997 | |
3601 | |
2998 | POPSTACK; |
3602 | POPSTACK; |
2999 | SPAGAIN; |
3603 | SPAGAIN; |
3000 | FREETMPS; |
|
|
3001 | LEAVE; |
|
|
3002 | PUTBACK; |
|
|
3003 | } |
|
|
3004 | |
3604 | |
3005 | if (!(coro->flags & CF_RUNNING)) |
3605 | if (current != coro) |
3006 | { |
3606 | { |
|
|
3607 | PUTBACK; |
|
|
3608 | slf_frame = slf_save; |
3007 | save_perl (aTHX_ coro); |
3609 | save_perl (aTHX_ coro); |
3008 | load_perl (aTHX_ &temp); |
3610 | load_perl (aTHX_ current); |
3009 | SPAGAIN; |
3611 | SPAGAIN; |
3010 | } |
3612 | } |
3011 | } |
3613 | } |
3012 | } |
3614 | } |
3013 | |
3615 | |
… | |
… | |
3016 | PROTOTYPE: $ |
3618 | PROTOTYPE: $ |
3017 | ALIAS: |
3619 | ALIAS: |
3018 | is_ready = CF_READY |
3620 | is_ready = CF_READY |
3019 | is_running = CF_RUNNING |
3621 | is_running = CF_RUNNING |
3020 | is_new = CF_NEW |
3622 | is_new = CF_NEW |
3021 | is_destroyed = CF_DESTROYED |
3623 | is_destroyed = CF_ZOMBIE |
|
|
3624 | is_zombie = CF_ZOMBIE |
|
|
3625 | is_suspended = CF_SUSPENDED |
3022 | CODE: |
3626 | CODE: |
3023 | RETVAL = boolSV (coro->flags & ix); |
3627 | RETVAL = boolSV (coro->flags & ix); |
3024 | OUTPUT: |
3628 | OUTPUT: |
3025 | RETVAL |
3629 | RETVAL |
3026 | |
3630 | |
3027 | void |
3631 | void |
3028 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3632 | throw (SV *self, SV *exception = &PL_sv_undef) |
3029 | PROTOTYPE: $;$ |
3633 | PROTOTYPE: $;$ |
3030 | CODE: |
3634 | CODE: |
3031 | { |
3635 | { |
|
|
3636 | struct coro *coro = SvSTATE (self); |
3032 | struct coro *current = SvSTATE_current; |
3637 | struct coro *current = SvSTATE_current; |
3033 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3638 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3034 | SvREFCNT_dec (*throwp); |
3639 | SvREFCNT_dec (*exceptionp); |
3035 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3640 | SvGETMAGIC (exception); |
|
|
3641 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3642 | |
|
|
3643 | api_ready (aTHX_ self); |
3036 | } |
3644 | } |
3037 | |
3645 | |
3038 | void |
3646 | void |
3039 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3647 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3040 | PROTOTYPE: $;$ |
3648 | PROTOTYPE: $;$ |
… | |
… | |
3091 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3699 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3092 | |
3700 | |
3093 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3701 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3094 | } |
3702 | } |
3095 | |
3703 | |
|
|
3704 | void |
|
|
3705 | cancel (Coro::State self) |
|
|
3706 | CODE: |
|
|
3707 | coro_state_destroy (aTHX_ self); |
|
|
3708 | |
|
|
3709 | SV * |
|
|
3710 | enable_times (int enabled = enable_times) |
|
|
3711 | CODE: |
|
|
3712 | { |
|
|
3713 | RETVAL = boolSV (enable_times); |
|
|
3714 | |
|
|
3715 | if (enabled != enable_times) |
|
|
3716 | { |
|
|
3717 | enable_times = enabled; |
|
|
3718 | |
|
|
3719 | coro_times_update (); |
|
|
3720 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3721 | } |
|
|
3722 | } |
|
|
3723 | OUTPUT: |
|
|
3724 | RETVAL |
|
|
3725 | |
|
|
3726 | void |
|
|
3727 | times (Coro::State self) |
|
|
3728 | PPCODE: |
|
|
3729 | { |
|
|
3730 | struct coro *current = SvSTATE (coro_current); |
|
|
3731 | |
|
|
3732 | if (ecb_expect_false (current == self)) |
|
|
3733 | { |
|
|
3734 | coro_times_update (); |
|
|
3735 | coro_times_add (SvSTATE (coro_current)); |
|
|
3736 | } |
|
|
3737 | |
|
|
3738 | EXTEND (SP, 2); |
|
|
3739 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3740 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3741 | |
|
|
3742 | if (ecb_expect_false (current == self)) |
|
|
3743 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3744 | } |
|
|
3745 | |
|
|
3746 | void |
|
|
3747 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3748 | CODE: |
|
|
3749 | { |
|
|
3750 | struct coro *current = SvSTATE_current; |
|
|
3751 | |
|
|
3752 | if (current == coro) |
|
|
3753 | SWAP_SVS (current); |
|
|
3754 | |
|
|
3755 | if (!coro->swap_sv) |
|
|
3756 | coro->swap_sv = newAV (); |
|
|
3757 | |
|
|
3758 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3759 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3760 | |
|
|
3761 | if (current == coro) |
|
|
3762 | SWAP_SVS (current); |
|
|
3763 | } |
|
|
3764 | |
3096 | |
3765 | |
3097 | MODULE = Coro::State PACKAGE = Coro |
3766 | MODULE = Coro::State PACKAGE = Coro |
3098 | |
3767 | |
3099 | BOOT: |
3768 | BOOT: |
3100 | { |
3769 | { |
3101 | int i; |
|
|
3102 | |
|
|
3103 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3770 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3104 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3771 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3105 | cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); |
3772 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3106 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3107 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3773 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3108 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3774 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3109 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3775 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3110 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3776 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3111 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3777 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3112 | |
3778 | |
3113 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3779 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3114 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3780 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3115 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3781 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3116 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3782 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3117 | |
3783 | |
3118 | coro_stash = gv_stashpv ("Coro", TRUE); |
3784 | coro_stash = gv_stashpv ("Coro", TRUE); |
3119 | |
3785 | |
3120 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3786 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3121 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3787 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3122 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3788 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3123 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3789 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW)); |
3124 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3790 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE)); |
3125 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3791 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN)); |
3126 | |
|
|
3127 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
3128 | coro_ready[i] = newAV (); |
|
|
3129 | |
3792 | |
3130 | { |
3793 | { |
3131 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3794 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3132 | |
3795 | |
3133 | coroapi.schedule = api_schedule; |
3796 | coroapi.schedule = api_schedule; |
… | |
… | |
3143 | sv_setiv (sv, (IV)&coroapi); |
3806 | sv_setiv (sv, (IV)&coroapi); |
3144 | SvREADONLY_on (sv); |
3807 | SvREADONLY_on (sv); |
3145 | } |
3808 | } |
3146 | } |
3809 | } |
3147 | |
3810 | |
|
|
3811 | SV * |
|
|
3812 | async (...) |
|
|
3813 | PROTOTYPE: &@ |
|
|
3814 | CODE: |
|
|
3815 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3816 | api_ready (aTHX_ RETVAL); |
|
|
3817 | OUTPUT: |
|
|
3818 | RETVAL |
|
|
3819 | |
|
|
3820 | void |
|
|
3821 | _destroy (Coro::State coro) |
|
|
3822 | CODE: |
|
|
3823 | /* used by the manager thread */ |
|
|
3824 | coro_state_destroy (aTHX_ coro); |
|
|
3825 | |
|
|
3826 | void |
|
|
3827 | on_destroy (Coro::State coro, SV *cb) |
|
|
3828 | CODE: |
|
|
3829 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3830 | |
|
|
3831 | void |
|
|
3832 | join (...) |
|
|
3833 | CODE: |
|
|
3834 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
3835 | |
3148 | void |
3836 | void |
3149 | terminate (...) |
3837 | terminate (...) |
3150 | CODE: |
3838 | CODE: |
3151 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3839 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3152 | |
3840 | |
3153 | void |
3841 | void |
|
|
3842 | cancel (...) |
|
|
3843 | CODE: |
|
|
3844 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3845 | |
|
|
3846 | int |
|
|
3847 | safe_cancel (Coro::State self, ...) |
|
|
3848 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
|
|
3849 | |
|
|
3850 | void |
3154 | schedule (...) |
3851 | schedule (...) |
3155 | CODE: |
3852 | CODE: |
3156 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3853 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3157 | |
3854 | |
3158 | void |
3855 | void |
… | |
… | |
3172 | |
3869 | |
3173 | void |
3870 | void |
3174 | cede_notself (...) |
3871 | cede_notself (...) |
3175 | CODE: |
3872 | CODE: |
3176 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3873 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3177 | |
|
|
3178 | void |
|
|
3179 | _cancel (Coro::State self) |
|
|
3180 | CODE: |
|
|
3181 | coro_state_destroy (aTHX_ self); |
|
|
3182 | coro_call_on_destroy (aTHX_ self); |
|
|
3183 | |
3874 | |
3184 | void |
3875 | void |
3185 | _set_current (SV *current) |
3876 | _set_current (SV *current) |
3186 | PROTOTYPE: $ |
3877 | PROTOTYPE: $ |
3187 | CODE: |
3878 | CODE: |
… | |
… | |
3191 | void |
3882 | void |
3192 | _set_readyhook (SV *hook) |
3883 | _set_readyhook (SV *hook) |
3193 | PROTOTYPE: $ |
3884 | PROTOTYPE: $ |
3194 | CODE: |
3885 | CODE: |
3195 | SvREFCNT_dec (coro_readyhook); |
3886 | SvREFCNT_dec (coro_readyhook); |
|
|
3887 | SvGETMAGIC (hook); |
|
|
3888 | if (SvOK (hook)) |
|
|
3889 | { |
3196 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3890 | coro_readyhook = newSVsv (hook); |
|
|
3891 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3892 | } |
|
|
3893 | else |
|
|
3894 | { |
|
|
3895 | coro_readyhook = 0; |
|
|
3896 | CORO_READYHOOK = 0; |
|
|
3897 | } |
3197 | |
3898 | |
3198 | int |
3899 | int |
3199 | prio (Coro::State coro, int newprio = 0) |
3900 | prio (Coro::State coro, int newprio = 0) |
3200 | PROTOTYPE: $;$ |
3901 | PROTOTYPE: $;$ |
3201 | ALIAS: |
3902 | ALIAS: |
… | |
… | |
3207 | if (items > 1) |
3908 | if (items > 1) |
3208 | { |
3909 | { |
3209 | if (ix) |
3910 | if (ix) |
3210 | newprio = coro->prio - newprio; |
3911 | newprio = coro->prio - newprio; |
3211 | |
3912 | |
3212 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
3913 | if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN; |
3213 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
3914 | if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX; |
3214 | |
3915 | |
3215 | coro->prio = newprio; |
3916 | coro->prio = newprio; |
3216 | } |
3917 | } |
3217 | } |
3918 | } |
3218 | OUTPUT: |
3919 | OUTPUT: |
… | |
… | |
3233 | RETVAL = coro_nready; |
3934 | RETVAL = coro_nready; |
3234 | OUTPUT: |
3935 | OUTPUT: |
3235 | RETVAL |
3936 | RETVAL |
3236 | |
3937 | |
3237 | void |
3938 | void |
|
|
3939 | suspend (Coro::State self) |
|
|
3940 | PROTOTYPE: $ |
|
|
3941 | CODE: |
|
|
3942 | self->flags |= CF_SUSPENDED; |
|
|
3943 | |
|
|
3944 | void |
|
|
3945 | resume (Coro::State self) |
|
|
3946 | PROTOTYPE: $ |
|
|
3947 | CODE: |
|
|
3948 | self->flags &= ~CF_SUSPENDED; |
|
|
3949 | |
|
|
3950 | void |
3238 | _pool_handler (...) |
3951 | _pool_handler (...) |
3239 | CODE: |
3952 | CODE: |
3240 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3953 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3241 | |
3954 | |
3242 | void |
3955 | void |
… | |
… | |
3253 | for (i = 1; i < items; ++i) |
3966 | for (i = 1; i < items; ++i) |
3254 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3967 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3255 | |
3968 | |
3256 | if ((SV *)hv == &PL_sv_undef) |
3969 | if ((SV *)hv == &PL_sv_undef) |
3257 | { |
3970 | { |
3258 | PUSHMARK (SP); |
3971 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3259 | EXTEND (SP, 2); |
|
|
3260 | PUSHs (sv_Coro); |
|
|
3261 | PUSHs ((SV *)cv_pool_handler); |
|
|
3262 | PUTBACK; |
|
|
3263 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3264 | SPAGAIN; |
|
|
3265 | |
|
|
3266 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
3972 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
3973 | SvREFCNT_dec (sv); |
3267 | } |
3974 | } |
3268 | |
3975 | |
3269 | { |
3976 | { |
3270 | struct coro *coro = SvSTATE_hv (hv); |
3977 | struct coro *coro = SvSTATE_hv (hv); |
3271 | |
3978 | |
… | |
… | |
3295 | rouse_wait (...) |
4002 | rouse_wait (...) |
3296 | PROTOTYPE: ;$ |
4003 | PROTOTYPE: ;$ |
3297 | PPCODE: |
4004 | PPCODE: |
3298 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
4005 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3299 | |
4006 | |
|
|
4007 | void |
|
|
4008 | on_enter (SV *block) |
|
|
4009 | ALIAS: |
|
|
4010 | on_leave = 1 |
|
|
4011 | PROTOTYPE: & |
|
|
4012 | CODE: |
|
|
4013 | { |
|
|
4014 | struct coro *coro = SvSTATE_current; |
|
|
4015 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
4016 | |
|
|
4017 | block = s_get_cv_croak (block); |
|
|
4018 | |
|
|
4019 | if (!*avp) |
|
|
4020 | *avp = newAV (); |
|
|
4021 | |
|
|
4022 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
4023 | |
|
|
4024 | if (!ix) |
|
|
4025 | on_enterleave_call (aTHX_ block); |
|
|
4026 | |
|
|
4027 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
4028 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
4029 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
4030 | } |
|
|
4031 | |
3300 | |
4032 | |
3301 | MODULE = Coro::State PACKAGE = PerlIO::cede |
4033 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3302 | |
4034 | |
3303 | BOOT: |
4035 | BOOT: |
3304 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
4036 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
… | |
… | |
3307 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
4039 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3308 | |
4040 | |
3309 | SV * |
4041 | SV * |
3310 | new (SV *klass, SV *count = 0) |
4042 | new (SV *klass, SV *count = 0) |
3311 | CODE: |
4043 | CODE: |
|
|
4044 | { |
|
|
4045 | int semcnt = 1; |
|
|
4046 | |
|
|
4047 | if (count) |
|
|
4048 | { |
|
|
4049 | SvGETMAGIC (count); |
|
|
4050 | |
|
|
4051 | if (SvOK (count)) |
|
|
4052 | semcnt = SvIV (count); |
|
|
4053 | } |
|
|
4054 | |
3312 | RETVAL = sv_bless ( |
4055 | RETVAL = sv_bless ( |
3313 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
4056 | coro_waitarray_new (aTHX_ semcnt), |
3314 | GvSTASH (CvGV (cv)) |
4057 | GvSTASH (CvGV (cv)) |
3315 | ); |
4058 | ); |
|
|
4059 | } |
3316 | OUTPUT: |
4060 | OUTPUT: |
3317 | RETVAL |
4061 | RETVAL |
3318 | |
4062 | |
3319 | # helper for Coro::Channel |
4063 | # helper for Coro::Channel and others |
3320 | SV * |
4064 | SV * |
3321 | _alloc (int count) |
4065 | _alloc (int count) |
3322 | CODE: |
4066 | CODE: |
3323 | RETVAL = coro_waitarray_new (aTHX_ count); |
4067 | RETVAL = coro_waitarray_new (aTHX_ count); |
3324 | OUTPUT: |
4068 | OUTPUT: |
… | |
… | |
3366 | XSRETURN_NO; |
4110 | XSRETURN_NO; |
3367 | } |
4111 | } |
3368 | |
4112 | |
3369 | void |
4113 | void |
3370 | waiters (SV *self) |
4114 | waiters (SV *self) |
3371 | PPCODE: |
4115 | PPCODE: |
3372 | { |
4116 | { |
3373 | AV *av = (AV *)SvRV (self); |
4117 | AV *av = (AV *)SvRV (self); |
3374 | int wcount = AvFILLp (av) + 1 - 1; |
4118 | int wcount = AvFILLp (av) + 1 - 1; |
3375 | |
4119 | |
3376 | if (GIMME_V == G_SCALAR) |
4120 | if (GIMME_V == G_SCALAR) |
… | |
… | |
3382 | for (i = 1; i <= wcount; ++i) |
4126 | for (i = 1; i <= wcount; ++i) |
3383 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
4127 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3384 | } |
4128 | } |
3385 | } |
4129 | } |
3386 | |
4130 | |
|
|
4131 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
4132 | |
|
|
4133 | void |
|
|
4134 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
|
|
4135 | PPCODE: |
|
|
4136 | { |
|
|
4137 | AV *av = (AV *)SvRV (sem); |
|
|
4138 | |
|
|
4139 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
4140 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
4141 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
4142 | XSRETURN_YES; |
|
|
4143 | |
|
|
4144 | XSRETURN_NO; |
|
|
4145 | } |
|
|
4146 | |
3387 | MODULE = Coro::State PACKAGE = Coro::Signal |
4147 | MODULE = Coro::State PACKAGE = Coro::Signal |
3388 | |
4148 | |
3389 | SV * |
4149 | SV * |
3390 | new (SV *klass) |
4150 | new (SV *klass) |
3391 | CODE: |
4151 | CODE: |
… | |
… | |
3403 | |
4163 | |
3404 | void |
4164 | void |
3405 | broadcast (SV *self) |
4165 | broadcast (SV *self) |
3406 | CODE: |
4166 | CODE: |
3407 | { |
4167 | { |
3408 | AV *av = (AV *)SvRV (self); |
4168 | AV *av = (AV *)SvRV (self); |
3409 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4169 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
3410 | } |
4170 | } |
3411 | |
4171 | |
3412 | void |
4172 | void |
3413 | send (SV *self) |
4173 | send (SV *self) |
… | |
… | |
3421 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4181 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3422 | } |
4182 | } |
3423 | |
4183 | |
3424 | IV |
4184 | IV |
3425 | awaited (SV *self) |
4185 | awaited (SV *self) |
3426 | CODE: |
4186 | CODE: |
3427 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4187 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
3428 | OUTPUT: |
4188 | OUTPUT: |
3429 | RETVAL |
4189 | RETVAL |
3430 | |
4190 | |
3431 | |
4191 | |
… | |
… | |
3436 | |
4196 | |
3437 | void |
4197 | void |
3438 | _schedule (...) |
4198 | _schedule (...) |
3439 | CODE: |
4199 | CODE: |
3440 | { |
4200 | { |
3441 | static int incede; |
4201 | static int incede; |
3442 | |
4202 | |
3443 | api_cede_notself (aTHX); |
4203 | api_cede_notself (aTHX); |
3444 | |
4204 | |
3445 | ++incede; |
4205 | ++incede; |
3446 | while (coro_nready >= incede && api_cede (aTHX)) |
4206 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
3462 | |
4222 | |
3463 | void |
4223 | void |
3464 | _register (char *target, char *proto, SV *req) |
4224 | _register (char *target, char *proto, SV *req) |
3465 | CODE: |
4225 | CODE: |
3466 | { |
4226 | { |
3467 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
4227 | SV *req_cv = s_get_cv_croak (req); |
3468 | /* newXSproto doesn't return the CV on 5.8 */ |
4228 | /* newXSproto doesn't return the CV on 5.8 */ |
3469 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
4229 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3470 | sv_setpv ((SV *)slf_cv, proto); |
4230 | sv_setpv ((SV *)slf_cv, proto); |
3471 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
4231 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3472 | } |
4232 | } |
3473 | |
4233 | |
|
|
4234 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
4235 | |
|
|
4236 | void |
|
|
4237 | patch_pp_sselect () |
|
|
4238 | CODE: |
|
|
4239 | if (!coro_old_pp_sselect) |
|
|
4240 | { |
|
|
4241 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4242 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4243 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4244 | } |
|
|
4245 | |
|
|
4246 | void |
|
|
4247 | unpatch_pp_sselect () |
|
|
4248 | CODE: |
|
|
4249 | if (coro_old_pp_sselect) |
|
|
4250 | { |
|
|
4251 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4252 | coro_old_pp_sselect = 0; |
|
|
4253 | } |
|
|
4254 | |
|
|
4255 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4256 | |
|
|
4257 | void |
|
|
4258 | _exit (int code) |
|
|
4259 | CODE: |
|
|
4260 | _exit (code); |
|
|
4261 | |
|
|
4262 | NV |
|
|
4263 | time () |
|
|
4264 | CODE: |
|
|
4265 | RETVAL = nvtime (aTHX); |
|
|
4266 | OUTPUT: |
|
|
4267 | RETVAL |
|
|
4268 | |
|
|
4269 | NV |
|
|
4270 | gettimeofday () |
|
|
4271 | PPCODE: |
|
|
4272 | { |
|
|
4273 | UV tv [2]; |
|
|
4274 | u2time (aTHX_ tv); |
|
|
4275 | EXTEND (SP, 2); |
|
|
4276 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4277 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4278 | } |
|
|
4279 | |