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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 |
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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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135 | # define STACKLEVEL ((void *)&stacklevel) |
76 | # define STACKLEVEL ((void *)&stacklevel) |
136 | #endif |
77 | #endif |
137 | |
78 | |
138 | #define IN_DESTRUCT PL_dirty |
79 | #define IN_DESTRUCT PL_dirty |
139 | |
80 | |
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 | |
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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 */ |
243 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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) */ |
244 | }; |
193 | }; |
245 | |
194 | |
246 | /* 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 */ |
247 | typedef struct |
196 | typedef struct |
248 | { |
197 | { |
249 | SV *defsv; |
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250 | AV *defav; |
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251 | SV *errsv; |
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252 | SV *irsgv; |
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253 | HV *hinthv; |
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254 | #define VAR(name,type) type name; |
198 | #define VARx(name,expr,type) type name; |
255 | # include "state.h" |
199 | #include "state.h" |
256 | #undef VAR |
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257 | } perl_slots; |
200 | } perl_slots; |
258 | |
201 | |
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202 | /* how many context stack entries do we need for perl_slots */ |
259 | #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)) |
260 | |
204 | |
261 | /* this is a structure representing a perl-level coroutine */ |
205 | /* this is a structure representing a perl-level coroutine */ |
262 | struct coro { |
206 | struct coro |
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207 | { |
263 | /* the C coroutine allocated to this perl coroutine, if any */ |
208 | /* the C coroutine allocated to this perl coroutine, if any */ |
264 | coro_cctx *cctx; |
209 | coro_cctx *cctx; |
265 | |
210 | |
266 | /* ready queue */ |
211 | /* ready queue */ |
267 | struct coro *next_ready; |
212 | struct coro *next_ready; |
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269 | /* state data */ |
214 | /* state data */ |
270 | struct CoroSLF slf_frame; /* saved slf frame */ |
215 | struct CoroSLF slf_frame; /* saved slf frame */ |
271 | AV *mainstack; |
216 | AV *mainstack; |
272 | perl_slots *slot; /* basically the saved sp */ |
217 | perl_slots *slot; /* basically the saved sp */ |
273 | |
218 | |
274 | CV *startcv; /* the CV to execute */ |
219 | CV *startcv; /* the CV to execute */ |
275 | AV *args; /* data associated with this coroutine (initial args) */ |
220 | AV *args; /* data associated with this coroutine (initial args) */ |
276 | int refcnt; /* coroutines are refcounted, yes */ |
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277 | int flags; /* CF_ flags */ |
221 | int flags; /* CF_ flags */ |
278 | HV *hv; /* the perl hash associated with this coro, if any */ |
222 | HV *hv; /* the perl hash associated with this coro, if any */ |
279 | void (*on_destroy)(pTHX_ struct coro *coro); |
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280 | |
223 | |
281 | /* statistics */ |
224 | /* statistics */ |
282 | int usecount; /* number of transfers to this coro */ |
225 | int usecount; /* number of transfers to this coro */ |
283 | |
226 | |
284 | /* coro process data */ |
227 | /* coro process data */ |
285 | int prio; |
228 | int prio; |
286 | SV *except; /* exception to be thrown */ |
229 | SV *except; /* exception to be thrown */ |
287 | 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 */ |
288 | |
233 | |
289 | /* async_pool */ |
234 | /* async_pool */ |
290 | SV *saved_deffh; |
235 | SV *saved_deffh; |
291 | SV *invoke_cb; |
236 | SV *invoke_cb; |
292 | AV *invoke_av; |
237 | AV *invoke_av; |
293 | |
238 | |
294 | /* on_enter/on_leave */ |
239 | /* on_enter/on_leave */ |
295 | AV *on_enter; |
240 | AV *on_enter; |
296 | AV *on_leave; |
241 | AV *on_leave; |
297 | |
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 | |
298 | /* linked list */ |
249 | /* linked list */ |
299 | struct coro *next, *prev; |
250 | struct coro *next, *prev; |
300 | }; |
251 | }; |
301 | |
252 | |
302 | typedef struct coro *Coro__State; |
253 | typedef struct coro *Coro__State; |
303 | typedef struct coro *Coro__State_or_hashref; |
254 | typedef struct coro *Coro__State_or_hashref; |
304 | |
255 | |
305 | /* the following variables are effectively part of the perl context */ |
256 | /* the following variables are effectively part of the perl context */ |
306 | /* and get copied between struct coro and these variables */ |
257 | /* and get copied between struct coro and these variables */ |
307 | /* the mainr easonw e don't support windows process emulation */ |
258 | /* the main reason we don't support windows process emulation */ |
308 | static struct CoroSLF slf_frame; /* the current slf frame */ |
259 | static struct CoroSLF slf_frame; /* the current slf frame */ |
309 | |
260 | |
310 | /** Coro ********************************************************************/ |
261 | /** Coro ********************************************************************/ |
311 | |
262 | |
312 | #define PRIO_MAX 3 |
263 | #define CORO_PRIO_MAX 3 |
313 | #define PRIO_HIGH 1 |
264 | #define CORO_PRIO_HIGH 1 |
314 | #define PRIO_NORMAL 0 |
265 | #define CORO_PRIO_NORMAL 0 |
315 | #define PRIO_LOW -1 |
266 | #define CORO_PRIO_LOW -1 |
316 | #define PRIO_IDLE -3 |
267 | #define CORO_PRIO_IDLE -3 |
317 | #define PRIO_MIN -4 |
268 | #define CORO_PRIO_MIN -4 |
318 | |
269 | |
319 | /* for Coro.pm */ |
270 | /* for Coro.pm */ |
320 | static SV *coro_current; |
271 | static SV *coro_current; |
321 | static SV *coro_readyhook; |
272 | static SV *coro_readyhook; |
322 | static struct coro *coro_ready [PRIO_MAX - PRIO_MIN + 1][2]; /* head|tail */ |
273 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
323 | static CV *cv_coro_run, *cv_coro_terminate; |
274 | static CV *cv_coro_run; |
324 | static struct coro *coro_first; |
275 | static struct coro *coro_first; |
325 | #define coro_nready coroapi.nready |
276 | #define coro_nready coroapi.nready |
326 | |
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 | |
327 | /** lowlevel stuff **********************************************************/ |
373 | /** lowlevel stuff **********************************************************/ |
328 | |
374 | |
329 | static SV * |
375 | static SV * ecb_noinline |
330 | coro_get_sv (pTHX_ const char *name, int create) |
376 | coro_get_sv (pTHX_ const char *name, int create) |
331 | { |
377 | { |
332 | #if PERL_VERSION_ATLEAST (5,10,0) |
378 | #if PERL_VERSION_ATLEAST (5,10,0) |
333 | /* 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 */ |
334 | get_sv (name, create); |
380 | get_sv (name, create); |
335 | #endif |
381 | #endif |
336 | return get_sv (name, create); |
382 | return get_sv (name, create); |
337 | } |
383 | } |
338 | |
384 | |
339 | static AV * |
385 | static AV * ecb_noinline |
340 | coro_get_av (pTHX_ const char *name, int create) |
386 | coro_get_av (pTHX_ const char *name, int create) |
341 | { |
387 | { |
342 | #if PERL_VERSION_ATLEAST (5,10,0) |
388 | #if PERL_VERSION_ATLEAST (5,10,0) |
343 | /* 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 */ |
344 | get_av (name, create); |
390 | get_av (name, create); |
345 | #endif |
391 | #endif |
346 | return get_av (name, create); |
392 | return get_av (name, create); |
347 | } |
393 | } |
348 | |
394 | |
349 | static HV * |
395 | static HV * ecb_noinline |
350 | coro_get_hv (pTHX_ const char *name, int create) |
396 | coro_get_hv (pTHX_ const char *name, int create) |
351 | { |
397 | { |
352 | #if PERL_VERSION_ATLEAST (5,10,0) |
398 | #if PERL_VERSION_ATLEAST (5,10,0) |
353 | /* 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 */ |
354 | get_hv (name, create); |
400 | get_hv (name, create); |
355 | #endif |
401 | #endif |
356 | return get_hv (name, create); |
402 | return get_hv (name, create); |
357 | } |
403 | } |
358 | |
404 | |
359 | /* may croak */ |
405 | ecb_inline void |
360 | INLINE CV * |
406 | coro_times_update (void) |
361 | coro_sv_2cv (pTHX_ SV *sv) |
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362 | { |
407 | { |
363 | HV *st; |
408 | #ifdef coro_clock_gettime |
364 | GV *gvp; |
409 | struct timespec ts; |
365 | CV *cv = sv_2cv (sv, &st, &gvp, 0); |
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366 | |
410 | |
367 | if (!cv) |
411 | ts.tv_sec = ts.tv_nsec = 0; |
368 | croak ("code reference expected"); |
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; |
369 | |
414 | |
370 | return cv; |
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]; |
371 | } |
450 | } |
372 | |
451 | |
373 | /*****************************************************************************/ |
452 | /*****************************************************************************/ |
374 | /* magic glue */ |
453 | /* magic glue */ |
375 | |
454 | |
376 | #define CORO_MAGIC_type_cv 26 |
455 | #define CORO_MAGIC_type_cv 26 |
377 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
456 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
378 | |
457 | |
379 | #define CORO_MAGIC_NN(sv, type) \ |
458 | #define CORO_MAGIC_NN(sv, type) \ |
380 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
459 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
381 | ? SvMAGIC (sv) \ |
460 | ? SvMAGIC (sv) \ |
382 | : mg_find (sv, type)) |
461 | : mg_find (sv, type)) |
383 | |
462 | |
384 | #define CORO_MAGIC(sv, type) \ |
463 | #define CORO_MAGIC(sv, type) \ |
385 | (expect_true (SvMAGIC (sv)) \ |
464 | (ecb_expect_true (SvMAGIC (sv)) \ |
386 | ? CORO_MAGIC_NN (sv, type) \ |
465 | ? CORO_MAGIC_NN (sv, type) \ |
387 | : 0) |
466 | : 0) |
388 | |
467 | |
389 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
468 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
390 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
469 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
391 | |
470 | |
392 | INLINE struct coro * |
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 * |
393 | SvSTATE_ (pTHX_ SV *coro) |
487 | SvSTATE_ (pTHX_ SV *coro) |
394 | { |
488 | { |
395 | HV *stash; |
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396 | MAGIC *mg; |
489 | MAGIC *mg; |
397 | |
490 | |
398 | if (SvROK (coro)) |
491 | if (SvROK (coro)) |
399 | coro = SvRV (coro); |
492 | coro = SvRV (coro); |
400 | |
493 | |
401 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
494 | mg = SvSTATEhv_p (aTHX_ coro); |
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495 | if (!mg) |
402 | croak ("Coro::State object required"); |
496 | croak ("Coro::State object required"); |
403 | |
497 | |
404 | stash = SvSTASH (coro); |
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405 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
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406 | { |
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407 | /* very slow, but rare, check */ |
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408 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
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409 | croak ("Coro::State object required"); |
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410 | } |
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411 | |
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412 | mg = CORO_MAGIC_state (coro); |
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413 | return (struct coro *)mg->mg_ptr; |
498 | return (struct coro *)mg->mg_ptr; |
414 | } |
499 | } |
415 | |
500 | |
416 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
501 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
417 | |
502 | |
… | |
… | |
420 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
505 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
421 | |
506 | |
422 | /*****************************************************************************/ |
507 | /*****************************************************************************/ |
423 | /* padlist management and caching */ |
508 | /* padlist management and caching */ |
424 | |
509 | |
425 | static AV * |
510 | ecb_inline PADLIST * |
426 | coro_derive_padlist (pTHX_ CV *cv) |
511 | coro_derive_padlist (pTHX_ CV *cv) |
427 | { |
512 | { |
428 | AV *padlist = CvPADLIST (cv); |
513 | PADLIST *padlist = CvPADLIST (cv); |
429 | AV *newpadlist, *newpad; |
514 | PADLIST *newpadlist; |
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515 | PAD *newpad; |
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516 | PADOFFSET const off = PadlistMAX (padlist) + 1; |
430 | |
517 | |
431 | newpadlist = newAV (); |
518 | newPADLIST(newpadlist); |
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519 | #if !PERL_VERSION_ATLEAST(5,15,3) |
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520 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
432 | AvREAL_off (newpadlist); |
521 | AvREAL_off (newpadlist); |
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522 | #endif |
433 | #if PERL_VERSION_ATLEAST (5,10,0) |
523 | #if PERL_VERSION_ATLEAST (5,10,0) |
434 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
524 | Perl_pad_push (aTHX_ padlist, off); |
435 | #else |
525 | #else |
436 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
526 | Perl_pad_push (aTHX_ padlist, off, 1); |
437 | #endif |
527 | #endif |
438 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
528 | newpad = PadlistARRAY (padlist)[off]; |
439 | --AvFILLp (padlist); |
529 | PadlistMAX (padlist) = off - 1; |
440 | |
530 | |
441 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
531 | /* Already extended to 2 elements by newPADLIST. */ |
442 | av_store (newpadlist, 1, (SV *)newpad); |
532 | PadlistMAX (newpadlist) = 1; |
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533 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
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534 | PadlistARRAY (newpadlist)[1] = newpad; |
443 | |
535 | |
444 | return newpadlist; |
536 | return newpadlist; |
445 | } |
537 | } |
446 | |
538 | |
447 | static void |
539 | ecb_inline void |
448 | free_padlist (pTHX_ AV *padlist) |
540 | free_padlist (pTHX_ PADLIST *padlist) |
449 | { |
541 | { |
450 | /* may be during global destruction */ |
542 | /* may be during global destruction */ |
451 | if (!IN_DESTRUCT) |
543 | if (!IN_DESTRUCT) |
452 | { |
544 | { |
453 | I32 i = AvFILLp (padlist); |
545 | I32 i = PadlistMAX (padlist); |
454 | |
546 | |
455 | while (i > 0) /* special-case index 0 */ |
547 | while (i > 0) /* special-case index 0 */ |
456 | { |
548 | { |
457 | /* we try to be extra-careful here */ |
549 | /* we try to be extra-careful here */ |
458 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
550 | PAD *pad = PadlistARRAY (padlist)[i--]; |
459 | I32 j = AvFILLp (av); |
551 | I32 j = PadMAX (pad); |
460 | |
552 | |
461 | while (j >= 0) |
553 | while (j >= 0) |
462 | SvREFCNT_dec (AvARRAY (av)[j--]); |
554 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
463 | |
555 | |
464 | AvFILLp (av) = -1; |
556 | PadMAX (pad) = -1; |
465 | SvREFCNT_dec (av); |
557 | SvREFCNT_dec (pad); |
466 | } |
558 | } |
467 | |
559 | |
468 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
560 | SvREFCNT_dec (PadlistNAMES (padlist)); |
469 | |
561 | |
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562 | #ifdef NEWPADAPI |
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563 | Safefree (PadlistARRAY (padlist)); |
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564 | Safefree (padlist); |
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565 | #else |
470 | AvFILLp (padlist) = -1; |
566 | AvFILLp (padlist) = -1; |
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567 | AvREAL_off (padlist); |
471 | SvREFCNT_dec ((SV*)padlist); |
568 | SvREFCNT_dec ((SV*)padlist); |
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569 | #endif |
472 | } |
570 | } |
473 | } |
571 | } |
474 | |
572 | |
475 | static int |
573 | static int |
476 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
574 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
477 | { |
575 | { |
478 | AV *padlist; |
576 | PADLIST *padlist; |
479 | AV *av = (AV *)mg->mg_obj; |
577 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
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578 | size_t len = *(size_t *)mg->mg_ptr; |
480 | |
579 | |
481 | /* casting is fun. */ |
580 | /* perl manages to free our internal AV and _then_ call us */ |
482 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
581 | if (IN_DESTRUCT) |
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582 | return 0; |
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583 | |
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584 | while (len--) |
483 | free_padlist (aTHX_ padlist); |
585 | free_padlist (aTHX_ padlists[len]); |
484 | |
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485 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
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486 | |
586 | |
487 | return 0; |
587 | return 0; |
488 | } |
588 | } |
489 | |
589 | |
490 | static MGVTBL coro_cv_vtbl = { |
590 | static MGVTBL coro_cv_vtbl = { |
491 | 0, 0, 0, 0, |
591 | 0, 0, 0, 0, |
492 | coro_cv_free |
592 | coro_cv_free |
493 | }; |
593 | }; |
494 | |
594 | |
495 | /* the next two functions merely cache the padlists */ |
595 | /* the next two functions merely cache the padlists */ |
496 | static void |
596 | ecb_inline void |
497 | get_padlist (pTHX_ CV *cv) |
597 | get_padlist (pTHX_ CV *cv) |
498 | { |
598 | { |
499 | MAGIC *mg = CORO_MAGIC_cv (cv); |
599 | MAGIC *mg = CORO_MAGIC_cv (cv); |
500 | AV *av; |
600 | size_t *lenp; |
501 | |
601 | |
502 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
602 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
503 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
603 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
504 | else |
604 | else |
505 | { |
605 | { |
506 | #if CORO_PREFER_PERL_FUNCTIONS |
606 | #if CORO_PREFER_PERL_FUNCTIONS |
507 | /* this is probably cleaner? but also slower! */ |
607 | /* this is probably cleaner? but also slower! */ |
508 | /* in practise, it seems to be less stable */ |
608 | /* in practise, it seems to be less stable */ |
… | |
… | |
514 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
614 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
515 | #endif |
615 | #endif |
516 | } |
616 | } |
517 | } |
617 | } |
518 | |
618 | |
519 | static void |
619 | ecb_inline void |
520 | put_padlist (pTHX_ CV *cv) |
620 | put_padlist (pTHX_ CV *cv) |
521 | { |
621 | { |
522 | MAGIC *mg = CORO_MAGIC_cv (cv); |
622 | MAGIC *mg = CORO_MAGIC_cv (cv); |
523 | AV *av; |
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524 | |
623 | |
525 | if (expect_false (!mg)) |
624 | if (ecb_expect_false (!mg)) |
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625 | { |
526 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
626 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
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627 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
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628 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
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629 | } |
|
|
630 | else |
|
|
631 | Renew (mg->mg_ptr, |
|
|
632 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
633 | char); |
527 | |
634 | |
528 | av = (AV *)mg->mg_obj; |
635 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
529 | |
|
|
530 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
531 | av_extend (av, AvFILLp (av) + 1); |
|
|
532 | |
|
|
533 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
534 | } |
636 | } |
535 | |
637 | |
536 | /** load & save, init *******************************************************/ |
638 | /** load & save, init *******************************************************/ |
|
|
639 | |
|
|
640 | ecb_inline void |
|
|
641 | swap_sv (SV *a, SV *b) |
|
|
642 | { |
|
|
643 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
644 | SV tmp; |
|
|
645 | |
|
|
646 | /* swap sv_any */ |
|
|
647 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
648 | |
|
|
649 | /* swap sv_flags */ |
|
|
650 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
651 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
652 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
653 | |
|
|
654 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
655 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
656 | * is much faster, so no quarrels here. alternatively, we could |
|
|
657 | * sv_upgrade to avoid this. |
|
|
658 | */ |
|
|
659 | { |
|
|
660 | /* swap sv_u */ |
|
|
661 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
662 | |
|
|
663 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
664 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
665 | */ |
|
|
666 | #define svany_in_head(type) \ |
|
|
667 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
668 | |
|
|
669 | if (svany_in_head (SvTYPE (a))) |
|
|
670 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
671 | |
|
|
672 | if (svany_in_head (SvTYPE (b))) |
|
|
673 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
674 | } |
|
|
675 | #endif |
|
|
676 | } |
|
|
677 | |
|
|
678 | /* swap sv heads, at least logically */ |
|
|
679 | static void |
|
|
680 | swap_svs (pTHX_ Coro__State c) |
|
|
681 | { |
|
|
682 | int i; |
|
|
683 | |
|
|
684 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
|
|
685 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
686 | } |
|
|
687 | |
|
|
688 | #define SWAP_SVS(coro) \ |
|
|
689 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
690 | swap_svs (aTHX_ (coro)) |
537 | |
691 | |
538 | static void |
692 | static void |
539 | on_enterleave_call (pTHX_ SV *cb); |
693 | on_enterleave_call (pTHX_ SV *cb); |
540 | |
694 | |
541 | static void |
695 | static void |
… | |
… | |
544 | perl_slots *slot = c->slot; |
698 | perl_slots *slot = c->slot; |
545 | c->slot = 0; |
699 | c->slot = 0; |
546 | |
700 | |
547 | PL_mainstack = c->mainstack; |
701 | PL_mainstack = c->mainstack; |
548 | |
702 | |
549 | GvSV (PL_defgv) = slot->defsv; |
703 | #if CORO_JIT |
550 | GvAV (PL_defgv) = slot->defav; |
704 | load_perl_slots (slot); |
551 | GvSV (PL_errgv) = slot->errsv; |
705 | #else |
552 | GvSV (irsgv) = slot->irsgv; |
|
|
553 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
554 | |
|
|
555 | #define VAR(name,type) PL_ ## name = slot->name; |
706 | #define VARx(name,expr,type) expr = slot->name; |
556 | # include "state.h" |
707 | #include "state.h" |
557 | #undef VAR |
708 | #endif |
558 | |
709 | |
559 | { |
710 | { |
560 | dSP; |
711 | dSP; |
561 | |
712 | |
562 | CV *cv; |
713 | CV *cv; |
563 | |
714 | |
564 | /* now do the ugly restore mess */ |
715 | /* now do the ugly restore mess */ |
565 | while (expect_true (cv = (CV *)POPs)) |
716 | while (ecb_expect_true (cv = (CV *)POPs)) |
566 | { |
717 | { |
567 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
718 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
568 | CvDEPTH (cv) = PTR2IV (POPs); |
719 | CvDEPTH (cv) = PTR2IV (POPs); |
569 | CvPADLIST (cv) = (AV *)POPs; |
720 | CvPADLIST (cv) = (PADLIST *)POPs; |
570 | } |
721 | } |
571 | |
722 | |
572 | PUTBACK; |
723 | PUTBACK; |
573 | } |
724 | } |
574 | |
725 | |
575 | slf_frame = c->slf_frame; |
726 | slf_frame = c->slf_frame; |
576 | CORO_THROW = c->except; |
727 | CORO_THROW = c->except; |
577 | |
728 | |
|
|
729 | if (ecb_expect_false (enable_times)) |
|
|
730 | { |
|
|
731 | if (ecb_expect_false (!times_valid)) |
|
|
732 | coro_times_update (); |
|
|
733 | |
|
|
734 | coro_times_sub (c); |
|
|
735 | } |
|
|
736 | |
578 | if (expect_false (c->on_enter)) |
737 | if (ecb_expect_false (c->on_enter)) |
579 | { |
738 | { |
580 | int i; |
739 | int i; |
581 | |
740 | |
582 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
741 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
583 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
742 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
584 | } |
743 | } |
|
|
744 | |
|
|
745 | SWAP_SVS (c); |
585 | } |
746 | } |
586 | |
747 | |
587 | static void |
748 | static void |
588 | save_perl (pTHX_ Coro__State c) |
749 | save_perl (pTHX_ Coro__State c) |
589 | { |
750 | { |
|
|
751 | SWAP_SVS (c); |
|
|
752 | |
590 | if (expect_false (c->on_leave)) |
753 | if (ecb_expect_false (c->on_leave)) |
591 | { |
754 | { |
592 | int i; |
755 | int i; |
593 | |
756 | |
594 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
757 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
595 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
758 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
759 | } |
|
|
760 | |
|
|
761 | times_valid = 0; |
|
|
762 | |
|
|
763 | if (ecb_expect_false (enable_times)) |
|
|
764 | { |
|
|
765 | coro_times_update (); times_valid = 1; |
|
|
766 | coro_times_add (c); |
596 | } |
767 | } |
597 | |
768 | |
598 | c->except = CORO_THROW; |
769 | c->except = CORO_THROW; |
599 | c->slf_frame = slf_frame; |
770 | c->slf_frame = slf_frame; |
600 | |
771 | |
… | |
… | |
611 | |
782 | |
612 | XPUSHs (Nullsv); |
783 | XPUSHs (Nullsv); |
613 | /* this loop was inspired by pp_caller */ |
784 | /* this loop was inspired by pp_caller */ |
614 | for (;;) |
785 | for (;;) |
615 | { |
786 | { |
616 | while (expect_true (cxix >= 0)) |
787 | while (ecb_expect_true (cxix >= 0)) |
617 | { |
788 | { |
618 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
789 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
619 | |
790 | |
620 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
791 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
621 | { |
792 | { |
622 | CV *cv = cx->blk_sub.cv; |
793 | CV *cv = cx->blk_sub.cv; |
623 | |
794 | |
624 | if (expect_true (CvDEPTH (cv))) |
795 | if (ecb_expect_true (CvDEPTH (cv))) |
625 | { |
796 | { |
626 | EXTEND (SP, 3); |
797 | EXTEND (SP, 3); |
627 | PUSHs ((SV *)CvPADLIST (cv)); |
798 | PUSHs ((SV *)CvPADLIST (cv)); |
628 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
799 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
629 | PUSHs ((SV *)cv); |
800 | PUSHs ((SV *)cv); |
… | |
… | |
632 | get_padlist (aTHX_ cv); |
803 | get_padlist (aTHX_ cv); |
633 | } |
804 | } |
634 | } |
805 | } |
635 | } |
806 | } |
636 | |
807 | |
637 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
808 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
638 | break; |
809 | break; |
639 | |
810 | |
640 | top_si = top_si->si_prev; |
811 | top_si = top_si->si_prev; |
641 | ccstk = top_si->si_cxstack; |
812 | ccstk = top_si->si_cxstack; |
642 | cxix = top_si->si_cxix; |
813 | cxix = top_si->si_cxix; |
… | |
… | |
644 | |
815 | |
645 | PUTBACK; |
816 | PUTBACK; |
646 | } |
817 | } |
647 | |
818 | |
648 | /* allocate some space on the context stack for our purposes */ |
819 | /* allocate some space on the context stack for our purposes */ |
649 | /* we manually unroll here, as usually 2 slots is enough */ |
820 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
650 | if (SLOT_COUNT >= 1) CXINC; |
|
|
651 | if (SLOT_COUNT >= 2) CXINC; |
|
|
652 | if (SLOT_COUNT >= 3) CXINC; |
|
|
653 | { |
821 | { |
654 | int i; |
822 | unsigned int i; |
|
|
823 | |
655 | for (i = 3; i < SLOT_COUNT; ++i) |
824 | for (i = 0; i < SLOT_COUNT; ++i) |
656 | CXINC; |
825 | CXINC; |
657 | } |
826 | |
658 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
827 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
828 | } |
659 | |
829 | |
660 | c->mainstack = PL_mainstack; |
830 | c->mainstack = PL_mainstack; |
661 | |
831 | |
662 | { |
832 | { |
663 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
833 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
664 | |
834 | |
665 | slot->defav = GvAV (PL_defgv); |
835 | #if CORO_JIT |
666 | slot->defsv = DEFSV; |
836 | save_perl_slots (slot); |
667 | slot->errsv = ERRSV; |
837 | #else |
668 | slot->irsgv = GvSV (irsgv); |
|
|
669 | slot->hinthv = GvHV (PL_hintgv); |
|
|
670 | |
|
|
671 | #define VAR(name,type) slot->name = PL_ ## name; |
838 | #define VARx(name,expr,type) slot->name = expr; |
672 | # include "state.h" |
839 | #include "state.h" |
673 | #undef VAR |
840 | #endif |
674 | } |
841 | } |
675 | } |
842 | } |
676 | |
843 | |
677 | /* |
844 | /* |
678 | * allocate various perl stacks. This is almost an exact copy |
845 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
684 | # define coro_init_stacks(thx) init_stacks () |
851 | # define coro_init_stacks(thx) init_stacks () |
685 | #else |
852 | #else |
686 | static void |
853 | static void |
687 | coro_init_stacks (pTHX) |
854 | coro_init_stacks (pTHX) |
688 | { |
855 | { |
689 | PL_curstackinfo = new_stackinfo(32, 8); |
856 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
690 | PL_curstackinfo->si_type = PERLSI_MAIN; |
857 | PL_curstackinfo->si_type = PERLSI_MAIN; |
691 | PL_curstack = PL_curstackinfo->si_stack; |
858 | PL_curstack = PL_curstackinfo->si_stack; |
692 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
859 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
693 | |
860 | |
694 | PL_stack_base = AvARRAY(PL_curstack); |
861 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
709 | #endif |
876 | #endif |
710 | |
877 | |
711 | New(54,PL_scopestack,8,I32); |
878 | New(54,PL_scopestack,8,I32); |
712 | PL_scopestack_ix = 0; |
879 | PL_scopestack_ix = 0; |
713 | PL_scopestack_max = 8; |
880 | PL_scopestack_max = 8; |
|
|
881 | #if HAS_SCOPESTACK_NAME |
|
|
882 | New(54,PL_scopestack_name,8,const char*); |
|
|
883 | #endif |
714 | |
884 | |
715 | New(54,PL_savestack,24,ANY); |
885 | New(54,PL_savestack,24,ANY); |
716 | PL_savestack_ix = 0; |
886 | PL_savestack_ix = 0; |
717 | PL_savestack_max = 24; |
887 | PL_savestack_max = 24; |
718 | |
888 | |
… | |
… | |
746 | } |
916 | } |
747 | |
917 | |
748 | Safefree (PL_tmps_stack); |
918 | Safefree (PL_tmps_stack); |
749 | Safefree (PL_markstack); |
919 | Safefree (PL_markstack); |
750 | Safefree (PL_scopestack); |
920 | Safefree (PL_scopestack); |
|
|
921 | #if HAS_SCOPESTACK_NAME |
|
|
922 | Safefree (PL_scopestack_name); |
|
|
923 | #endif |
751 | Safefree (PL_savestack); |
924 | Safefree (PL_savestack); |
752 | #if !PERL_VERSION_ATLEAST (5,10,0) |
925 | #if !PERL_VERSION_ATLEAST (5,10,0) |
753 | Safefree (PL_retstack); |
926 | Safefree (PL_retstack); |
754 | #endif |
927 | #endif |
755 | } |
928 | } |
… | |
… | |
801 | #endif |
974 | #endif |
802 | |
975 | |
803 | /* |
976 | /* |
804 | * This overrides the default magic get method of %SIG elements. |
977 | * This overrides the default magic get method of %SIG elements. |
805 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
978 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
806 | * and instead of trying to save and restore the hash elements, we just provide |
979 | * and instead of trying to save and restore the hash elements (extremely slow), |
807 | * readback here. |
980 | * we just provide our own readback here. |
808 | */ |
981 | */ |
809 | static int |
982 | static int ecb_cold |
810 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
983 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
811 | { |
984 | { |
812 | const char *s = MgPV_nolen_const (mg); |
985 | const char *s = MgPV_nolen_const (mg); |
813 | |
986 | |
814 | if (*s == '_') |
987 | if (*s == '_') |
815 | { |
988 | { |
816 | SV **svp = 0; |
989 | SV **svp = 0; |
817 | |
990 | |
818 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
991 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
819 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
992 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
820 | |
993 | |
821 | if (svp) |
994 | if (svp) |
822 | { |
995 | { |
823 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
996 | SV *ssv; |
|
|
997 | |
|
|
998 | if (!*svp) |
|
|
999 | ssv = &PL_sv_undef; |
|
|
1000 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1001 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1002 | else |
|
|
1003 | ssv = *svp; |
|
|
1004 | |
|
|
1005 | sv_setsv (sv, ssv); |
824 | return 0; |
1006 | return 0; |
825 | } |
1007 | } |
826 | } |
1008 | } |
827 | |
1009 | |
828 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1010 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
829 | } |
1011 | } |
830 | |
1012 | |
831 | static int |
1013 | static int ecb_cold |
832 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1014 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
833 | { |
1015 | { |
834 | const char *s = MgPV_nolen_const (mg); |
1016 | const char *s = MgPV_nolen_const (mg); |
835 | |
1017 | |
836 | if (*s == '_') |
1018 | if (*s == '_') |
… | |
… | |
850 | } |
1032 | } |
851 | |
1033 | |
852 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1034 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
853 | } |
1035 | } |
854 | |
1036 | |
855 | static int |
1037 | static int ecb_cold |
856 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1038 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
857 | { |
1039 | { |
858 | const char *s = MgPV_nolen_const (mg); |
1040 | const char *s = MgPV_nolen_const (mg); |
859 | |
1041 | |
860 | if (*s == '_') |
1042 | if (*s == '_') |
… | |
… | |
893 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1075 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
894 | { |
1076 | { |
895 | return 1; |
1077 | return 1; |
896 | } |
1078 | } |
897 | |
1079 | |
898 | static UNOP coro_setup_op; |
1080 | static UNOP init_perl_op; |
899 | |
1081 | |
900 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1082 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
901 | coro_setup (pTHX_ struct coro *coro) |
1083 | init_perl (pTHX_ struct coro *coro) |
902 | { |
1084 | { |
903 | /* |
1085 | /* |
904 | * emulate part of the perl startup here. |
1086 | * emulate part of the perl startup here. |
905 | */ |
1087 | */ |
906 | coro_init_stacks (aTHX); |
1088 | coro_init_stacks (aTHX); |
… | |
… | |
913 | PL_comppad_name_fill = 0; |
1095 | PL_comppad_name_fill = 0; |
914 | PL_comppad_name_floor = 0; |
1096 | PL_comppad_name_floor = 0; |
915 | PL_curpm = 0; |
1097 | PL_curpm = 0; |
916 | PL_curpad = 0; |
1098 | PL_curpad = 0; |
917 | PL_localizing = 0; |
1099 | PL_localizing = 0; |
918 | PL_dirty = 0; |
|
|
919 | PL_restartop = 0; |
1100 | PL_restartop = 0; |
920 | #if PERL_VERSION_ATLEAST (5,10,0) |
1101 | #if PERL_VERSION_ATLEAST (5,10,0) |
921 | PL_parser = 0; |
1102 | PL_parser = 0; |
922 | #endif |
1103 | #endif |
923 | PL_hints = 0; |
1104 | PL_hints = 0; |
924 | |
1105 | |
925 | /* recreate the die/warn hooks */ |
1106 | /* recreate the die/warn hooks */ |
926 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1107 | PL_diehook = SvREFCNT_inc (rv_diehook); |
927 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1108 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
928 | |
1109 | |
929 | GvSV (PL_defgv) = newSV (0); |
1110 | GvSV (PL_defgv) = newSV (0); |
930 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1111 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
931 | GvSV (PL_errgv) = newSV (0); |
1112 | GvSV (PL_errgv) = newSV (0); |
932 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1113 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
933 | GvHV (PL_hintgv) = 0; |
1114 | GvHV (PL_hintgv) = 0; |
… | |
… | |
953 | /* this newly created coroutine might be run on an existing cctx which most |
1134 | /* this newly created coroutine might be run on an existing cctx which most |
954 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1135 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
955 | */ |
1136 | */ |
956 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1137 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
957 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1138 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1139 | slf_frame.destroy = 0; |
958 | |
1140 | |
959 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1141 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
960 | coro_setup_op.op_next = PL_op; |
1142 | init_perl_op.op_next = PL_op; |
961 | coro_setup_op.op_type = OP_ENTERSUB; |
1143 | init_perl_op.op_type = OP_ENTERSUB; |
962 | coro_setup_op.op_ppaddr = pp_slf; |
1144 | init_perl_op.op_ppaddr = pp_slf; |
963 | /* no flags etc. required, as an init function won't be called */ |
1145 | /* no flags etc. required, as an init function won't be called */ |
964 | |
1146 | |
965 | PL_op = (OP *)&coro_setup_op; |
1147 | PL_op = (OP *)&init_perl_op; |
966 | |
1148 | |
967 | /* copy throw, in case it was set before coro_setup */ |
1149 | /* copy throw, in case it was set before init_perl */ |
968 | CORO_THROW = coro->except; |
1150 | CORO_THROW = coro->except; |
|
|
1151 | |
|
|
1152 | SWAP_SVS (coro); |
|
|
1153 | |
|
|
1154 | if (ecb_expect_false (enable_times)) |
|
|
1155 | { |
|
|
1156 | coro_times_update (); |
|
|
1157 | coro_times_sub (coro); |
|
|
1158 | } |
969 | } |
1159 | } |
970 | |
1160 | |
971 | static void |
1161 | static void |
972 | coro_unwind_stacks (pTHX) |
1162 | coro_unwind_stacks (pTHX) |
973 | { |
1163 | { |
… | |
… | |
988 | dounwind (-1); |
1178 | dounwind (-1); |
989 | } |
1179 | } |
990 | } |
1180 | } |
991 | |
1181 | |
992 | static void |
1182 | static void |
993 | coro_destruct_perl (pTHX_ struct coro *coro) |
1183 | destroy_perl (pTHX_ struct coro *coro) |
994 | { |
1184 | { |
995 | SV *svf [9]; |
1185 | SV *svf [9]; |
996 | |
1186 | |
997 | { |
1187 | { |
|
|
1188 | SV *old_current = SvRV (coro_current); |
998 | struct coro *current = SvSTATE_current; |
1189 | struct coro *current = SvSTATE (old_current); |
999 | |
1190 | |
1000 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1191 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1001 | |
1192 | |
1002 | save_perl (aTHX_ current); |
1193 | save_perl (aTHX_ current); |
|
|
1194 | |
|
|
1195 | /* this will cause transfer_check to croak on block*/ |
|
|
1196 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1197 | |
1003 | load_perl (aTHX_ coro); |
1198 | load_perl (aTHX_ coro); |
1004 | |
1199 | |
1005 | coro_unwind_stacks (aTHX); |
1200 | coro_unwind_stacks (aTHX); |
|
|
1201 | |
|
|
1202 | /* restore swapped sv's */ |
|
|
1203 | SWAP_SVS (coro); |
|
|
1204 | |
1006 | coro_destruct_stacks (aTHX); |
1205 | coro_destruct_stacks (aTHX); |
1007 | |
1206 | |
1008 | // now save some sv's to be free'd later |
1207 | /* now save some sv's to be free'd later */ |
1009 | svf [0] = GvSV (PL_defgv); |
1208 | svf [0] = GvSV (PL_defgv); |
1010 | svf [1] = (SV *)GvAV (PL_defgv); |
1209 | svf [1] = (SV *)GvAV (PL_defgv); |
1011 | svf [2] = GvSV (PL_errgv); |
1210 | svf [2] = GvSV (PL_errgv); |
1012 | svf [3] = (SV *)PL_defoutgv; |
1211 | svf [3] = (SV *)PL_defoutgv; |
1013 | svf [4] = PL_rs; |
1212 | svf [4] = PL_rs; |
… | |
… | |
1015 | svf [6] = (SV *)GvHV (PL_hintgv); |
1214 | svf [6] = (SV *)GvHV (PL_hintgv); |
1016 | svf [7] = PL_diehook; |
1215 | svf [7] = PL_diehook; |
1017 | svf [8] = PL_warnhook; |
1216 | svf [8] = PL_warnhook; |
1018 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1217 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1019 | |
1218 | |
|
|
1219 | SvRV_set (coro_current, old_current); |
|
|
1220 | |
1020 | load_perl (aTHX_ current); |
1221 | load_perl (aTHX_ current); |
1021 | } |
1222 | } |
1022 | |
1223 | |
1023 | { |
1224 | { |
1024 | int i; |
1225 | unsigned int i; |
1025 | |
1226 | |
1026 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
1227 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
1027 | SvREFCNT_dec (svf [i]); |
1228 | SvREFCNT_dec (svf [i]); |
1028 | |
1229 | |
1029 | SvREFCNT_dec (coro->saved_deffh); |
1230 | SvREFCNT_dec (coro->saved_deffh); |
… | |
… | |
1031 | SvREFCNT_dec (coro->invoke_cb); |
1232 | SvREFCNT_dec (coro->invoke_cb); |
1032 | SvREFCNT_dec (coro->invoke_av); |
1233 | SvREFCNT_dec (coro->invoke_av); |
1033 | } |
1234 | } |
1034 | } |
1235 | } |
1035 | |
1236 | |
1036 | INLINE void |
1237 | ecb_inline void |
1037 | free_coro_mortal (pTHX) |
1238 | free_coro_mortal (pTHX) |
1038 | { |
1239 | { |
1039 | if (expect_true (coro_mortal)) |
1240 | if (ecb_expect_true (coro_mortal)) |
1040 | { |
1241 | { |
1041 | SvREFCNT_dec (coro_mortal); |
1242 | SvREFCNT_dec ((SV *)coro_mortal); |
1042 | coro_mortal = 0; |
1243 | coro_mortal = 0; |
1043 | } |
1244 | } |
1044 | } |
1245 | } |
1045 | |
1246 | |
1046 | static int |
1247 | static int |
… | |
… | |
1179 | |
1380 | |
1180 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1381 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1181 | } |
1382 | } |
1182 | |
1383 | |
1183 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1384 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1184 | static void NOINLINE |
1385 | static void ecb_noinline |
1185 | cctx_prepare (pTHX) |
1386 | cctx_prepare (pTHX) |
1186 | { |
1387 | { |
1187 | PL_top_env = &PL_start_env; |
1388 | PL_top_env = &PL_start_env; |
1188 | |
1389 | |
1189 | if (cctx_current->flags & CC_TRACE) |
1390 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1200 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1401 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1201 | slf_frame.check = slf_check_set_stacklevel; |
1402 | slf_frame.check = slf_check_set_stacklevel; |
1202 | } |
1403 | } |
1203 | |
1404 | |
1204 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1405 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1205 | INLINE void |
1406 | ecb_inline void |
1206 | transfer_tail (pTHX) |
1407 | transfer_tail (pTHX) |
1207 | { |
1408 | { |
1208 | free_coro_mortal (aTHX); |
1409 | free_coro_mortal (aTHX); |
|
|
1410 | } |
|
|
1411 | |
|
|
1412 | /* try to exit the same way perl's main function would do */ |
|
|
1413 | /* we do not bother resetting the environment or other things *7 |
|
|
1414 | /* that are not, uhm, essential */ |
|
|
1415 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1416 | static void ecb_noinline ecb_cold |
|
|
1417 | perlish_exit (pTHX) |
|
|
1418 | { |
|
|
1419 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1420 | perl_free (PL_curinterp); |
|
|
1421 | exit (exitstatus); |
1209 | } |
1422 | } |
1210 | |
1423 | |
1211 | /* |
1424 | /* |
1212 | * this is a _very_ stripped down perl interpreter ;) |
1425 | * this is a _very_ stripped down perl interpreter ;) |
1213 | */ |
1426 | */ |
… | |
… | |
1235 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1448 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1236 | PL_restartop = PL_op; |
1449 | PL_restartop = PL_op; |
1237 | perl_run (PL_curinterp); |
1450 | perl_run (PL_curinterp); |
1238 | /* |
1451 | /* |
1239 | * Unfortunately, there is no way to get at the return values of the |
1452 | * Unfortunately, there is no way to get at the return values of the |
1240 | * coro body here, as perl_run destroys these |
1453 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1454 | * runtime errors here, as this is just a random interpreter, not a thread. |
1241 | */ |
1455 | */ |
1242 | |
1456 | |
1243 | /* |
1457 | /* |
1244 | * If perl-run returns we assume exit() was being called or the coro |
1458 | * If perl-run returns we assume exit() was being called or the coro |
1245 | * fell off the end, which seems to be the only valid (non-bug) |
1459 | * fell off the end, which seems to be the only valid (non-bug) |
1246 | * reason for perl_run to return. We try to exit by jumping to the |
1460 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1247 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1461 | * doing in that case. YMMV. |
1248 | * coroutine as Coro has no such concept. |
|
|
1249 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1250 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1251 | */ |
1462 | */ |
1252 | PL_top_env = main_top_env; |
1463 | perlish_exit (aTHX); |
1253 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1254 | } |
1464 | } |
1255 | } |
1465 | } |
1256 | |
1466 | |
1257 | static coro_cctx * |
1467 | static coro_cctx * |
1258 | cctx_new () |
1468 | cctx_new (void) |
1259 | { |
1469 | { |
1260 | coro_cctx *cctx; |
1470 | coro_cctx *cctx; |
1261 | |
1471 | |
1262 | ++cctx_count; |
1472 | ++cctx_count; |
1263 | New (0, cctx, 1, coro_cctx); |
1473 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1269 | return cctx; |
1479 | return cctx; |
1270 | } |
1480 | } |
1271 | |
1481 | |
1272 | /* create a new cctx only suitable as source */ |
1482 | /* create a new cctx only suitable as source */ |
1273 | static coro_cctx * |
1483 | static coro_cctx * |
1274 | cctx_new_empty () |
1484 | cctx_new_empty (void) |
1275 | { |
1485 | { |
1276 | coro_cctx *cctx = cctx_new (); |
1486 | coro_cctx *cctx = cctx_new (); |
1277 | |
1487 | |
1278 | cctx->sptr = 0; |
1488 | cctx->stack.sptr = 0; |
1279 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1489 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1280 | |
1490 | |
1281 | return cctx; |
1491 | return cctx; |
1282 | } |
1492 | } |
1283 | |
1493 | |
1284 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1494 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1285 | static coro_cctx * |
1495 | static coro_cctx * |
1286 | cctx_new_run () |
1496 | cctx_new_run (void) |
1287 | { |
1497 | { |
1288 | coro_cctx *cctx = cctx_new (); |
1498 | coro_cctx *cctx = cctx_new (); |
1289 | void *stack_start; |
|
|
1290 | size_t stack_size; |
|
|
1291 | |
1499 | |
1292 | #if HAVE_MMAP |
1500 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1293 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1294 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1295 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1296 | |
|
|
1297 | if (cctx->sptr != (void *)-1) |
|
|
1298 | { |
|
|
1299 | #if CORO_STACKGUARD |
|
|
1300 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1301 | #endif |
|
|
1302 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1303 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1304 | cctx->flags |= CC_MAPPED; |
|
|
1305 | } |
1501 | { |
1306 | else |
|
|
1307 | #endif |
|
|
1308 | { |
|
|
1309 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1310 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1311 | |
|
|
1312 | if (!cctx->sptr) |
|
|
1313 | { |
|
|
1314 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1502 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1315 | _exit (EXIT_FAILURE); |
1503 | _exit (EXIT_FAILURE); |
1316 | } |
|
|
1317 | |
|
|
1318 | stack_start = cctx->sptr; |
|
|
1319 | stack_size = cctx->ssize; |
|
|
1320 | } |
1504 | } |
1321 | |
1505 | |
1322 | #if CORO_USE_VALGRIND |
|
|
1323 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1324 | #endif |
|
|
1325 | |
|
|
1326 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1506 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1327 | |
1507 | |
1328 | return cctx; |
1508 | return cctx; |
1329 | } |
1509 | } |
1330 | |
1510 | |
1331 | static void |
1511 | static void |
1332 | cctx_destroy (coro_cctx *cctx) |
1512 | cctx_destroy (coro_cctx *cctx) |
1333 | { |
1513 | { |
1334 | if (!cctx) |
1514 | if (!cctx) |
1335 | return; |
1515 | return; |
1336 | |
1516 | |
1337 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1517 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1338 | |
1518 | |
1339 | --cctx_count; |
1519 | --cctx_count; |
1340 | coro_destroy (&cctx->cctx); |
1520 | coro_destroy (&cctx->cctx); |
1341 | |
1521 | |
1342 | /* coro_transfer creates new, empty cctx's */ |
1522 | coro_stack_free (&cctx->stack); |
1343 | if (cctx->sptr) |
|
|
1344 | { |
|
|
1345 | #if CORO_USE_VALGRIND |
|
|
1346 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1347 | #endif |
|
|
1348 | |
|
|
1349 | #if HAVE_MMAP |
|
|
1350 | if (cctx->flags & CC_MAPPED) |
|
|
1351 | munmap (cctx->sptr, cctx->ssize); |
|
|
1352 | else |
|
|
1353 | #endif |
|
|
1354 | Safefree (cctx->sptr); |
|
|
1355 | } |
|
|
1356 | |
1523 | |
1357 | Safefree (cctx); |
1524 | Safefree (cctx); |
1358 | } |
1525 | } |
1359 | |
1526 | |
1360 | /* wether this cctx should be destructed */ |
1527 | /* wether this cctx should be destructed */ |
1361 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1528 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1362 | |
1529 | |
1363 | static coro_cctx * |
1530 | static coro_cctx * |
1364 | cctx_get (pTHX) |
1531 | cctx_get (pTHX) |
1365 | { |
1532 | { |
1366 | while (expect_true (cctx_first)) |
1533 | while (ecb_expect_true (cctx_first)) |
1367 | { |
1534 | { |
1368 | coro_cctx *cctx = cctx_first; |
1535 | coro_cctx *cctx = cctx_first; |
1369 | cctx_first = cctx->next; |
1536 | cctx_first = cctx->next; |
1370 | --cctx_idle; |
1537 | --cctx_idle; |
1371 | |
1538 | |
1372 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1539 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1373 | return cctx; |
1540 | return cctx; |
1374 | |
1541 | |
1375 | cctx_destroy (cctx); |
1542 | cctx_destroy (cctx); |
1376 | } |
1543 | } |
1377 | |
1544 | |
… | |
… | |
1379 | } |
1546 | } |
1380 | |
1547 | |
1381 | static void |
1548 | static void |
1382 | cctx_put (coro_cctx *cctx) |
1549 | cctx_put (coro_cctx *cctx) |
1383 | { |
1550 | { |
1384 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1551 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1385 | |
1552 | |
1386 | /* free another cctx if overlimit */ |
1553 | /* free another cctx if overlimit */ |
1387 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1554 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1388 | { |
1555 | { |
1389 | coro_cctx *first = cctx_first; |
1556 | coro_cctx *first = cctx_first; |
1390 | cctx_first = first->next; |
1557 | cctx_first = first->next; |
1391 | --cctx_idle; |
1558 | --cctx_idle; |
1392 | |
1559 | |
… | |
… | |
1403 | static void |
1570 | static void |
1404 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1571 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1405 | { |
1572 | { |
1406 | /* TODO: throwing up here is considered harmful */ |
1573 | /* TODO: throwing up here is considered harmful */ |
1407 | |
1574 | |
1408 | if (expect_true (prev != next)) |
1575 | if (ecb_expect_true (prev != next)) |
1409 | { |
1576 | { |
1410 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1577 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1411 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1578 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1412 | |
1579 | |
1413 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1580 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1414 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1581 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1415 | |
1582 | |
1416 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1583 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1417 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1584 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1418 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1585 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1419 | #endif |
1586 | #endif |
1420 | } |
1587 | } |
1421 | } |
1588 | } |
1422 | |
1589 | |
1423 | /* always use the TRANSFER macro */ |
1590 | /* always use the TRANSFER macro */ |
1424 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1591 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1425 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1592 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1426 | { |
1593 | { |
1427 | dSTACKLEVEL; |
1594 | dSTACKLEVEL; |
1428 | |
1595 | |
1429 | /* sometimes transfer is only called to set idle_sp */ |
1596 | /* sometimes transfer is only called to set idle_sp */ |
1430 | if (expect_false (!prev)) |
1597 | if (ecb_expect_false (!prev)) |
1431 | { |
1598 | { |
1432 | cctx_current->idle_sp = STACKLEVEL; |
1599 | cctx_current->idle_sp = STACKLEVEL; |
1433 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1600 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1434 | } |
1601 | } |
1435 | else if (expect_true (prev != next)) |
1602 | else if (ecb_expect_true (prev != next)) |
1436 | { |
1603 | { |
1437 | coro_cctx *cctx_prev; |
1604 | coro_cctx *cctx_prev; |
1438 | |
1605 | |
1439 | if (expect_false (prev->flags & CF_NEW)) |
1606 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1440 | { |
1607 | { |
1441 | /* create a new empty/source context */ |
1608 | /* create a new empty/source context */ |
1442 | prev->flags &= ~CF_NEW; |
1609 | prev->flags &= ~CF_NEW; |
1443 | prev->flags |= CF_RUNNING; |
1610 | prev->flags |= CF_RUNNING; |
1444 | } |
1611 | } |
… | |
… | |
1447 | next->flags |= CF_RUNNING; |
1614 | next->flags |= CF_RUNNING; |
1448 | |
1615 | |
1449 | /* first get rid of the old state */ |
1616 | /* first get rid of the old state */ |
1450 | save_perl (aTHX_ prev); |
1617 | save_perl (aTHX_ prev); |
1451 | |
1618 | |
1452 | if (expect_false (next->flags & CF_NEW)) |
1619 | if (ecb_expect_false (next->flags & CF_NEW)) |
1453 | { |
1620 | { |
1454 | /* need to start coroutine */ |
1621 | /* need to start coroutine */ |
1455 | next->flags &= ~CF_NEW; |
1622 | next->flags &= ~CF_NEW; |
1456 | /* setup coroutine call */ |
1623 | /* setup coroutine call */ |
1457 | coro_setup (aTHX_ next); |
1624 | init_perl (aTHX_ next); |
1458 | } |
1625 | } |
1459 | else |
1626 | else |
1460 | load_perl (aTHX_ next); |
1627 | load_perl (aTHX_ next); |
1461 | |
1628 | |
1462 | /* possibly untie and reuse the cctx */ |
1629 | /* possibly untie and reuse the cctx */ |
1463 | if (expect_true ( |
1630 | if (ecb_expect_true ( |
1464 | cctx_current->idle_sp == STACKLEVEL |
1631 | cctx_current->idle_sp == STACKLEVEL |
1465 | && !(cctx_current->flags & CC_TRACE) |
1632 | && !(cctx_current->flags & CC_TRACE) |
1466 | && !force_cctx |
1633 | && !force_cctx |
1467 | )) |
1634 | )) |
1468 | { |
1635 | { |
1469 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1636 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1470 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1637 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1471 | |
1638 | |
1472 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1639 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1473 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1640 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1474 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1641 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1475 | if (expect_true (!next->cctx)) |
1642 | if (ecb_expect_true (!next->cctx)) |
1476 | next->cctx = cctx_get (aTHX); |
1643 | next->cctx = cctx_get (aTHX); |
1477 | |
1644 | |
1478 | cctx_put (cctx_current); |
1645 | cctx_put (cctx_current); |
1479 | } |
1646 | } |
1480 | else |
1647 | else |
1481 | prev->cctx = cctx_current; |
1648 | prev->cctx = cctx_current; |
1482 | |
1649 | |
1483 | ++next->usecount; |
1650 | ++next->usecount; |
1484 | |
1651 | |
1485 | cctx_prev = cctx_current; |
1652 | cctx_prev = cctx_current; |
1486 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1653 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1487 | |
1654 | |
1488 | next->cctx = 0; |
1655 | next->cctx = 0; |
1489 | |
1656 | |
1490 | if (expect_false (cctx_prev != cctx_current)) |
1657 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1491 | { |
1658 | { |
1492 | cctx_prev->top_env = PL_top_env; |
1659 | cctx_prev->top_env = PL_top_env; |
1493 | PL_top_env = cctx_current->top_env; |
1660 | PL_top_env = cctx_current->top_env; |
1494 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1661 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1495 | } |
1662 | } |
… | |
… | |
1501 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1668 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1502 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1669 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1503 | |
1670 | |
1504 | /** high level stuff ********************************************************/ |
1671 | /** high level stuff ********************************************************/ |
1505 | |
1672 | |
|
|
1673 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1674 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1506 | static int |
1675 | static void |
|
|
1676 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1677 | |
|
|
1678 | static void |
1507 | coro_state_destroy (pTHX_ struct coro *coro) |
1679 | coro_state_destroy (pTHX_ struct coro *coro) |
1508 | { |
1680 | { |
1509 | if (coro->flags & CF_DESTROYED) |
1681 | if (coro->flags & CF_ZOMBIE) |
1510 | return 0; |
1682 | return; |
1511 | |
1683 | |
1512 | if (coro->on_destroy && !PL_dirty) |
|
|
1513 | coro->on_destroy (aTHX_ coro); |
1684 | slf_destroy (aTHX_ coro); |
1514 | |
1685 | |
1515 | coro->flags |= CF_DESTROYED; |
1686 | coro->flags |= CF_ZOMBIE; |
1516 | |
1687 | |
1517 | if (coro->flags & CF_READY) |
1688 | if (coro->flags & CF_READY) |
1518 | { |
1689 | { |
1519 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1690 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1520 | /* alternative: look through all ready queues and remove the coro */ |
1691 | /* alternative: look through all ready queues and remove the coro */ |
1521 | --coro_nready; |
1692 | --coro_nready; |
1522 | } |
1693 | } |
1523 | else |
1694 | else |
1524 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1695 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1696 | |
|
|
1697 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1698 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1699 | if (coro == coro_first) coro_first = coro->next; |
1525 | |
1700 | |
1526 | if (coro->mainstack |
1701 | if (coro->mainstack |
1527 | && coro->mainstack != main_mainstack |
1702 | && coro->mainstack != main_mainstack |
1528 | && coro->slot |
1703 | && coro->slot |
1529 | && !PL_dirty) |
1704 | && !PL_dirty) |
1530 | coro_destruct_perl (aTHX_ coro); |
1705 | destroy_perl (aTHX_ coro); |
1531 | |
1706 | |
1532 | cctx_destroy (coro->cctx); |
1707 | cctx_destroy (coro->cctx); |
1533 | SvREFCNT_dec (coro->startcv); |
1708 | SvREFCNT_dec (coro->startcv); |
1534 | SvREFCNT_dec (coro->args); |
1709 | SvREFCNT_dec (coro->args); |
|
|
1710 | SvREFCNT_dec (coro->swap_sv); |
1535 | SvREFCNT_dec (CORO_THROW); |
1711 | SvREFCNT_dec (CORO_THROW); |
1536 | |
1712 | |
1537 | if (coro->next) coro->next->prev = coro->prev; |
1713 | coro_call_on_destroy (aTHX_ coro); |
1538 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1539 | if (coro == coro_first) coro_first = coro->next; |
|
|
1540 | |
1714 | |
1541 | return 1; |
1715 | /* more destruction mayhem in coro_state_free */ |
1542 | } |
1716 | } |
1543 | |
1717 | |
1544 | static int |
1718 | static int |
1545 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1719 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1546 | { |
1720 | { |
1547 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1721 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1548 | mg->mg_ptr = 0; |
1722 | mg->mg_ptr = 0; |
1549 | |
1723 | |
1550 | coro->hv = 0; |
|
|
1551 | |
|
|
1552 | if (--coro->refcnt < 0) |
|
|
1553 | { |
|
|
1554 | coro_state_destroy (aTHX_ coro); |
1724 | coro_state_destroy (aTHX_ coro); |
|
|
1725 | SvREFCNT_dec (coro->on_destroy); |
|
|
1726 | SvREFCNT_dec (coro->status); |
|
|
1727 | |
1555 | Safefree (coro); |
1728 | Safefree (coro); |
1556 | } |
|
|
1557 | |
1729 | |
1558 | return 0; |
1730 | return 0; |
1559 | } |
1731 | } |
1560 | |
1732 | |
1561 | static int |
1733 | static int ecb_cold |
1562 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1734 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1563 | { |
1735 | { |
1564 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1736 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1565 | |
1737 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1566 | ++coro->refcnt; |
1738 | mg->mg_ptr = 0; |
|
|
1739 | mg->mg_virtual = 0; |
1567 | |
1740 | |
1568 | return 0; |
1741 | return 0; |
1569 | } |
1742 | } |
1570 | |
1743 | |
1571 | static MGVTBL coro_state_vtbl = { |
1744 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1594 | |
1767 | |
1595 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1768 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1596 | TRANSFER (ta, 1); |
1769 | TRANSFER (ta, 1); |
1597 | } |
1770 | } |
1598 | |
1771 | |
1599 | /*****************************************************************************/ |
|
|
1600 | /* gensub: simple closure generation utility */ |
|
|
1601 | |
|
|
1602 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1603 | |
|
|
1604 | /* create a closure from XS, returns a code reference */ |
|
|
1605 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1606 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1607 | static SV * |
|
|
1608 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1609 | { |
|
|
1610 | CV *cv = (CV *)newSV (0); |
|
|
1611 | |
|
|
1612 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1613 | |
|
|
1614 | CvANON_on (cv); |
|
|
1615 | CvISXSUB_on (cv); |
|
|
1616 | CvXSUB (cv) = xsub; |
|
|
1617 | GENSUB_ARG = arg; |
|
|
1618 | |
|
|
1619 | return newRV_noinc ((SV *)cv); |
|
|
1620 | } |
|
|
1621 | |
|
|
1622 | /** Coro ********************************************************************/ |
1772 | /** Coro ********************************************************************/ |
1623 | |
1773 | |
1624 | INLINE void |
1774 | ecb_inline void |
1625 | coro_enq (pTHX_ struct coro *coro) |
1775 | coro_enq (pTHX_ struct coro *coro) |
1626 | { |
1776 | { |
1627 | struct coro **ready = coro_ready [coro->prio - PRIO_MIN]; |
1777 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1628 | |
1778 | |
1629 | SvREFCNT_inc_NN (coro->hv); |
1779 | SvREFCNT_inc_NN (coro->hv); |
1630 | |
1780 | |
1631 | coro->next_ready = 0; |
1781 | coro->next_ready = 0; |
1632 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1782 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1633 | ready [1] = coro; |
1783 | ready [1] = coro; |
1634 | } |
1784 | } |
1635 | |
1785 | |
1636 | INLINE struct coro * |
1786 | ecb_inline struct coro * |
1637 | coro_deq (pTHX) |
1787 | coro_deq (pTHX) |
1638 | { |
1788 | { |
1639 | int prio; |
1789 | int prio; |
1640 | |
1790 | |
1641 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1791 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1642 | { |
1792 | { |
1643 | struct coro **ready = coro_ready [prio]; |
1793 | struct coro **ready = coro_ready [prio]; |
1644 | |
1794 | |
1645 | if (ready [0]) |
1795 | if (ready [0]) |
1646 | { |
1796 | { |
… | |
… | |
1651 | } |
1801 | } |
1652 | |
1802 | |
1653 | return 0; |
1803 | return 0; |
1654 | } |
1804 | } |
1655 | |
1805 | |
|
|
1806 | static void |
|
|
1807 | invoke_sv_ready_hook_helper (void) |
|
|
1808 | { |
|
|
1809 | dTHX; |
|
|
1810 | dSP; |
|
|
1811 | |
|
|
1812 | ENTER; |
|
|
1813 | SAVETMPS; |
|
|
1814 | |
|
|
1815 | PUSHMARK (SP); |
|
|
1816 | PUTBACK; |
|
|
1817 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1818 | |
|
|
1819 | FREETMPS; |
|
|
1820 | LEAVE; |
|
|
1821 | } |
|
|
1822 | |
1656 | static int |
1823 | static int |
1657 | api_ready (pTHX_ SV *coro_sv) |
1824 | api_ready (pTHX_ SV *coro_sv) |
1658 | { |
1825 | { |
1659 | struct coro *coro; |
|
|
1660 | SV *sv_hook; |
|
|
1661 | void (*xs_hook)(void); |
|
|
1662 | |
|
|
1663 | coro = SvSTATE (coro_sv); |
1826 | struct coro *coro = SvSTATE (coro_sv); |
1664 | |
1827 | |
1665 | if (coro->flags & CF_READY) |
1828 | if (coro->flags & CF_READY) |
1666 | return 0; |
1829 | return 0; |
1667 | |
1830 | |
1668 | coro->flags |= CF_READY; |
1831 | coro->flags |= CF_READY; |
1669 | |
1832 | |
1670 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1671 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1672 | |
|
|
1673 | coro_enq (aTHX_ coro); |
1833 | coro_enq (aTHX_ coro); |
1674 | ++coro_nready; |
|
|
1675 | |
1834 | |
1676 | if (sv_hook) |
1835 | if (!coro_nready++) |
1677 | { |
1836 | if (coroapi.readyhook) |
1678 | dSP; |
1837 | coroapi.readyhook (); |
1679 | |
|
|
1680 | ENTER; |
|
|
1681 | SAVETMPS; |
|
|
1682 | |
|
|
1683 | PUSHMARK (SP); |
|
|
1684 | PUTBACK; |
|
|
1685 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1686 | |
|
|
1687 | FREETMPS; |
|
|
1688 | LEAVE; |
|
|
1689 | } |
|
|
1690 | |
|
|
1691 | if (xs_hook) |
|
|
1692 | xs_hook (); |
|
|
1693 | |
1838 | |
1694 | return 1; |
1839 | return 1; |
1695 | } |
1840 | } |
1696 | |
1841 | |
1697 | static int |
1842 | static int |
… | |
… | |
1699 | { |
1844 | { |
1700 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1845 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1701 | } |
1846 | } |
1702 | |
1847 | |
1703 | /* expects to own a reference to next->hv */ |
1848 | /* expects to own a reference to next->hv */ |
1704 | INLINE void |
1849 | ecb_inline void |
1705 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1850 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1706 | { |
1851 | { |
1707 | SV *prev_sv = SvRV (coro_current); |
1852 | SV *prev_sv = SvRV (coro_current); |
1708 | |
1853 | |
1709 | ta->prev = SvSTATE_hv (prev_sv); |
1854 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1722 | { |
1867 | { |
1723 | for (;;) |
1868 | for (;;) |
1724 | { |
1869 | { |
1725 | struct coro *next = coro_deq (aTHX); |
1870 | struct coro *next = coro_deq (aTHX); |
1726 | |
1871 | |
1727 | if (expect_true (next)) |
1872 | if (ecb_expect_true (next)) |
1728 | { |
1873 | { |
1729 | /* cannot transfer to destroyed coros, skip and look for next */ |
1874 | /* cannot transfer to destroyed coros, skip and look for next */ |
1730 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1875 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1731 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1876 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1732 | else |
1877 | else |
1733 | { |
1878 | { |
1734 | next->flags &= ~CF_READY; |
1879 | next->flags &= ~CF_READY; |
1735 | --coro_nready; |
1880 | --coro_nready; |
… | |
… | |
1742 | { |
1887 | { |
1743 | /* nothing to schedule: call the idle handler */ |
1888 | /* nothing to schedule: call the idle handler */ |
1744 | if (SvROK (sv_idle) |
1889 | if (SvROK (sv_idle) |
1745 | && SvOBJECT (SvRV (sv_idle))) |
1890 | && SvOBJECT (SvRV (sv_idle))) |
1746 | { |
1891 | { |
|
|
1892 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1893 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1894 | |
1747 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1895 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1748 | api_ready (aTHX_ SvRV (sv_idle)); |
1896 | api_ready (aTHX_ SvRV (sv_idle)); |
1749 | --coro_nready; |
1897 | --coro_nready; |
1750 | } |
1898 | } |
1751 | else |
1899 | else |
1752 | { |
1900 | { |
|
|
1901 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1753 | dSP; |
1902 | dSP; |
1754 | |
1903 | |
1755 | ENTER; |
1904 | ENTER; |
1756 | SAVETMPS; |
1905 | SAVETMPS; |
1757 | |
1906 | |
… | |
… | |
1764 | } |
1913 | } |
1765 | } |
1914 | } |
1766 | } |
1915 | } |
1767 | } |
1916 | } |
1768 | |
1917 | |
1769 | INLINE void |
1918 | ecb_inline void |
1770 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1919 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1771 | { |
1920 | { |
1772 | api_ready (aTHX_ coro_current); |
1921 | api_ready (aTHX_ coro_current); |
1773 | prepare_schedule (aTHX_ ta); |
1922 | prepare_schedule (aTHX_ ta); |
1774 | } |
1923 | } |
1775 | |
1924 | |
1776 | INLINE void |
1925 | ecb_inline void |
1777 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1926 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1778 | { |
1927 | { |
1779 | SV *prev = SvRV (coro_current); |
1928 | SV *prev = SvRV (coro_current); |
1780 | |
1929 | |
1781 | if (coro_nready) |
1930 | if (coro_nready) |
… | |
… | |
1811 | { |
1960 | { |
1812 | struct coro_transfer_args ta; |
1961 | struct coro_transfer_args ta; |
1813 | |
1962 | |
1814 | prepare_cede (aTHX_ &ta); |
1963 | prepare_cede (aTHX_ &ta); |
1815 | |
1964 | |
1816 | if (expect_true (ta.prev != ta.next)) |
1965 | if (ecb_expect_true (ta.prev != ta.next)) |
1817 | { |
1966 | { |
1818 | TRANSFER (ta, 1); |
1967 | TRANSFER (ta, 1); |
1819 | return 1; |
1968 | return 1; |
1820 | } |
1969 | } |
1821 | else |
1970 | else |
… | |
… | |
1864 | coro->slot->runops = RUNOPS_DEFAULT; |
2013 | coro->slot->runops = RUNOPS_DEFAULT; |
1865 | } |
2014 | } |
1866 | } |
2015 | } |
1867 | |
2016 | |
1868 | static void |
2017 | static void |
|
|
2018 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2019 | { |
|
|
2020 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2021 | { |
|
|
2022 | dSP; |
|
|
2023 | |
|
|
2024 | if (gimme_v == G_SCALAR) |
|
|
2025 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2026 | else |
|
|
2027 | { |
|
|
2028 | int i; |
|
|
2029 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2030 | |
|
|
2031 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2032 | PUSHs (AvARRAY (av)[i]); |
|
|
2033 | } |
|
|
2034 | |
|
|
2035 | PUTBACK; |
|
|
2036 | } |
|
|
2037 | } |
|
|
2038 | |
|
|
2039 | static void |
|
|
2040 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2041 | { |
|
|
2042 | if (!coro->on_destroy) |
|
|
2043 | coro->on_destroy = newAV (); |
|
|
2044 | |
|
|
2045 | av_push (coro->on_destroy, cb); |
|
|
2046 | } |
|
|
2047 | |
|
|
2048 | static void |
|
|
2049 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2050 | { |
|
|
2051 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2052 | } |
|
|
2053 | |
|
|
2054 | static int |
|
|
2055 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2056 | { |
|
|
2057 | struct coro *coro = (struct coro *)frame->data; |
|
|
2058 | |
|
|
2059 | if (!coro->status) |
|
|
2060 | return 1; |
|
|
2061 | |
|
|
2062 | frame->destroy = 0; |
|
|
2063 | |
|
|
2064 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2065 | |
|
|
2066 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2067 | |
|
|
2068 | return 0; |
|
|
2069 | } |
|
|
2070 | |
|
|
2071 | static void |
|
|
2072 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2073 | { |
|
|
2074 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2075 | |
|
|
2076 | if (items > 1) |
|
|
2077 | croak ("join called with too many arguments"); |
|
|
2078 | |
|
|
2079 | if (coro->status) |
|
|
2080 | frame->prepare = prepare_nop; |
|
|
2081 | else |
|
|
2082 | { |
|
|
2083 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2084 | frame->prepare = prepare_schedule; |
|
|
2085 | } |
|
|
2086 | |
|
|
2087 | frame->check = slf_check_join; |
|
|
2088 | frame->destroy = slf_destroy_join; |
|
|
2089 | frame->data = (void *)coro; |
|
|
2090 | SvREFCNT_inc (coro->hv); |
|
|
2091 | } |
|
|
2092 | |
|
|
2093 | static void |
1869 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2094 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1870 | { |
2095 | { |
1871 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2096 | AV *od = coro->on_destroy; |
1872 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1873 | |
2097 | |
1874 | if (on_destroyp) |
2098 | if (!od) |
1875 | { |
2099 | return; |
1876 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1877 | |
2100 | |
1878 | while (AvFILLp (on_destroy) >= 0) |
2101 | while (AvFILLp (od) >= 0) |
|
|
2102 | { |
|
|
2103 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2104 | |
|
|
2105 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2106 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2107 | api_ready (aTHX_ cb); |
|
|
2108 | else |
1879 | { |
2109 | { |
1880 | dSP; /* don't disturb outer sp */ |
2110 | dSP; /* don't disturb outer sp */ |
1881 | SV *cb = av_pop (on_destroy); |
|
|
1882 | |
|
|
1883 | PUSHMARK (SP); |
2111 | PUSHMARK (SP); |
1884 | |
2112 | |
1885 | if (statusp) |
2113 | if (coro->status) |
1886 | { |
2114 | { |
1887 | int i; |
2115 | PUTBACK; |
1888 | AV *status = (AV *)SvRV (*statusp); |
2116 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1889 | EXTEND (SP, AvFILLp (status) + 1); |
2117 | SPAGAIN; |
1890 | |
|
|
1891 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1892 | PUSHs (AvARRAY (status)[i]); |
|
|
1893 | } |
2118 | } |
1894 | |
2119 | |
1895 | PUTBACK; |
2120 | PUTBACK; |
1896 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2121 | call_sv (cb, G_VOID | G_DISCARD); |
1897 | } |
2122 | } |
1898 | } |
2123 | } |
1899 | } |
2124 | } |
1900 | |
2125 | |
1901 | static void |
2126 | static void |
1902 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2127 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1903 | { |
2128 | { |
|
|
2129 | AV *av; |
|
|
2130 | |
|
|
2131 | if (coro->status) |
|
|
2132 | { |
|
|
2133 | av = coro->status; |
|
|
2134 | av_clear (av); |
|
|
2135 | } |
|
|
2136 | else |
|
|
2137 | av = coro->status = newAV (); |
|
|
2138 | |
|
|
2139 | /* items are actually not so common, so optimise for this case */ |
|
|
2140 | if (items) |
|
|
2141 | { |
1904 | int i; |
2142 | int i; |
1905 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1906 | AV *av = newAV (); |
|
|
1907 | |
2143 | |
1908 | av_extend (av, items - 1); |
2144 | av_extend (av, items - 1); |
|
|
2145 | |
1909 | for (i = 0; i < items; ++i) |
2146 | for (i = 0; i < items; ++i) |
1910 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2147 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2148 | } |
|
|
2149 | } |
1911 | |
2150 | |
1912 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2151 | static void |
1913 | |
2152 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2153 | { |
1914 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2154 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
1915 | api_ready (aTHX_ sv_manager); |
2155 | api_ready (aTHX_ sv_manager); |
1916 | |
2156 | |
1917 | frame->prepare = prepare_schedule; |
2157 | frame->prepare = prepare_schedule; |
1918 | frame->check = slf_check_repeat; |
2158 | frame->check = slf_check_repeat; |
1919 | |
2159 | |
1920 | /* as a minor optimisation, we could unwind all stacks here */ |
2160 | /* as a minor optimisation, we could unwind all stacks here */ |
1921 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2161 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
1922 | /*coro_unwind_stacks (aTHX);*/ |
2162 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2163 | } |
|
|
2164 | |
|
|
2165 | static void |
|
|
2166 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2167 | { |
|
|
2168 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2169 | |
|
|
2170 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2171 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2172 | } |
|
|
2173 | |
|
|
2174 | static void |
|
|
2175 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2176 | { |
|
|
2177 | HV *coro_hv; |
|
|
2178 | struct coro *coro; |
|
|
2179 | |
|
|
2180 | if (items <= 0) |
|
|
2181 | croak ("Coro::cancel called without coro object,"); |
|
|
2182 | |
|
|
2183 | coro = SvSTATE (arg [0]); |
|
|
2184 | coro_hv = coro->hv; |
|
|
2185 | |
|
|
2186 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2187 | |
|
|
2188 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2189 | { |
|
|
2190 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2191 | coro->slf_frame.data = (void *)coro; |
|
|
2192 | |
|
|
2193 | frame->prepare = prepare_nop; |
|
|
2194 | frame->check = slf_check_nop; |
|
|
2195 | } |
|
|
2196 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2197 | { |
|
|
2198 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2199 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2200 | } |
|
|
2201 | else |
|
|
2202 | { |
|
|
2203 | struct coro *self = SvSTATE_current; |
|
|
2204 | |
|
|
2205 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2206 | * unfortunately, this requires some magic trickery, as |
|
|
2207 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2208 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2209 | * besides, I can't get the slow-but-safe version working... |
|
|
2210 | */ |
|
|
2211 | slf_frame.data = 0; |
|
|
2212 | self->flags |= CF_NOCANCEL; |
|
|
2213 | coro_state_destroy (aTHX_ coro); |
|
|
2214 | self->flags &= ~CF_NOCANCEL; |
|
|
2215 | |
|
|
2216 | if (slf_frame.data) |
|
|
2217 | { |
|
|
2218 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2219 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2220 | } |
|
|
2221 | else |
|
|
2222 | { |
|
|
2223 | frame->prepare = prepare_nop; |
|
|
2224 | frame->check = slf_check_nop; |
|
|
2225 | } |
|
|
2226 | } |
|
|
2227 | } |
|
|
2228 | |
|
|
2229 | static int |
|
|
2230 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2231 | { |
|
|
2232 | frame->prepare = 0; |
|
|
2233 | coro_unwind_stacks (aTHX); |
|
|
2234 | |
|
|
2235 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2236 | |
|
|
2237 | return 1; |
|
|
2238 | } |
|
|
2239 | |
|
|
2240 | static int |
|
|
2241 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2242 | { |
|
|
2243 | if (coro->cctx) |
|
|
2244 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2245 | |
|
|
2246 | if (coro->flags & CF_NEW) |
|
|
2247 | { |
|
|
2248 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2249 | coro_state_destroy (aTHX_ coro); |
|
|
2250 | } |
|
|
2251 | else |
|
|
2252 | { |
|
|
2253 | if (!coro->slf_frame.prepare) |
|
|
2254 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2255 | |
|
|
2256 | slf_destroy (aTHX_ coro); |
|
|
2257 | |
|
|
2258 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2259 | coro->slf_frame.prepare = prepare_nop; |
|
|
2260 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2261 | |
|
|
2262 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2263 | } |
|
|
2264 | |
|
|
2265 | return 1; |
1923 | } |
2266 | } |
1924 | |
2267 | |
1925 | /*****************************************************************************/ |
2268 | /*****************************************************************************/ |
1926 | /* async pool handler */ |
2269 | /* async pool handler */ |
1927 | |
2270 | |
… | |
… | |
1958 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2301 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1959 | { |
2302 | { |
1960 | HV *hv = (HV *)SvRV (coro_current); |
2303 | HV *hv = (HV *)SvRV (coro_current); |
1961 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2304 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
1962 | |
2305 | |
1963 | if (expect_true (coro->saved_deffh)) |
2306 | if (ecb_expect_true (coro->saved_deffh)) |
1964 | { |
2307 | { |
1965 | /* subsequent iteration */ |
2308 | /* subsequent iteration */ |
1966 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2309 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1967 | coro->saved_deffh = 0; |
2310 | coro->saved_deffh = 0; |
1968 | |
2311 | |
1969 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2312 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1970 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2313 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1971 | { |
2314 | { |
1972 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2315 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
1973 | coro->invoke_av = newAV (); |
2316 | return; |
1974 | |
|
|
1975 | frame->prepare = prepare_nop; |
|
|
1976 | } |
2317 | } |
1977 | else |
2318 | else |
1978 | { |
2319 | { |
1979 | av_clear (GvAV (PL_defgv)); |
2320 | av_clear (GvAV (PL_defgv)); |
1980 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2321 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
2005 | |
2346 | |
2006 | static void |
2347 | static void |
2007 | coro_rouse_callback (pTHX_ CV *cv) |
2348 | coro_rouse_callback (pTHX_ CV *cv) |
2008 | { |
2349 | { |
2009 | dXSARGS; |
2350 | dXSARGS; |
2010 | SV *data = (SV *)GENSUB_ARG; |
2351 | SV *data = (SV *)S_GENSUB_ARG; |
2011 | |
2352 | |
2012 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2353 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2013 | { |
2354 | { |
2014 | /* first call, set args */ |
2355 | /* first call, set args */ |
2015 | SV *coro = SvRV (data); |
2356 | SV *coro = SvRV (data); |
… | |
… | |
2030 | |
2371 | |
2031 | static int |
2372 | static int |
2032 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2373 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2033 | { |
2374 | { |
2034 | SV *data = (SV *)frame->data; |
2375 | SV *data = (SV *)frame->data; |
2035 | |
2376 | |
2036 | if (CORO_THROW) |
2377 | if (CORO_THROW) |
2037 | return 0; |
2378 | return 0; |
2038 | |
2379 | |
2039 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2380 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2040 | return 1; |
2381 | return 1; |
… | |
… | |
2076 | cb = sv_2mortal (coro->rouse_cb); |
2417 | cb = sv_2mortal (coro->rouse_cb); |
2077 | coro->rouse_cb = 0; |
2418 | coro->rouse_cb = 0; |
2078 | } |
2419 | } |
2079 | |
2420 | |
2080 | if (!SvROK (cb) |
2421 | if (!SvROK (cb) |
2081 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2422 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2082 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2423 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2083 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2424 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2084 | |
2425 | |
2085 | { |
2426 | { |
2086 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2427 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2087 | SV *data = (SV *)GENSUB_ARG; |
2428 | SV *data = (SV *)S_GENSUB_ARG; |
2088 | |
2429 | |
2089 | frame->data = (void *)data; |
2430 | frame->data = (void *)data; |
2090 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2431 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2091 | frame->check = slf_check_rouse_wait; |
2432 | frame->check = slf_check_rouse_wait; |
2092 | } |
2433 | } |
… | |
… | |
2096 | coro_new_rouse_cb (pTHX) |
2437 | coro_new_rouse_cb (pTHX) |
2097 | { |
2438 | { |
2098 | HV *hv = (HV *)SvRV (coro_current); |
2439 | HV *hv = (HV *)SvRV (coro_current); |
2099 | struct coro *coro = SvSTATE_hv (hv); |
2440 | struct coro *coro = SvSTATE_hv (hv); |
2100 | SV *data = newRV_inc ((SV *)hv); |
2441 | SV *data = newRV_inc ((SV *)hv); |
2101 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2442 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2102 | |
2443 | |
2103 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2444 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2104 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2445 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2105 | |
2446 | |
2106 | SvREFCNT_dec (coro->rouse_cb); |
2447 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
2203 | static void |
2544 | static void |
2204 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2545 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2205 | { |
2546 | { |
2206 | frame->prepare = prepare_cede_notself; |
2547 | frame->prepare = prepare_cede_notself; |
2207 | frame->check = slf_check_nop; |
2548 | frame->check = slf_check_nop; |
|
|
2549 | } |
|
|
2550 | |
|
|
2551 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2552 | static void |
|
|
2553 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2554 | { |
|
|
2555 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2556 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2557 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2558 | |
|
|
2559 | /* |
|
|
2560 | * The on_destroy above most likely is from an SLF call. |
|
|
2561 | * Since by definition the SLF call will not finish when we destroy |
|
|
2562 | * the coro, we will have to force-finish it here, otherwise |
|
|
2563 | * cleanup functions cannot call SLF functions. |
|
|
2564 | */ |
|
|
2565 | coro->slf_frame.prepare = 0; |
2208 | } |
2566 | } |
2209 | |
2567 | |
2210 | /* |
2568 | /* |
2211 | * these not obviously related functions are all rolled into one |
2569 | * these not obviously related functions are all rolled into one |
2212 | * function to increase chances that they all will call transfer with the same |
2570 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2219 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2577 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2220 | |
2578 | |
2221 | /* set up the slf frame, unless it has already been set-up */ |
2579 | /* set up the slf frame, unless it has already been set-up */ |
2222 | /* the latter happens when a new coro has been started */ |
2580 | /* the latter happens when a new coro has been started */ |
2223 | /* or when a new cctx was attached to an existing coroutine */ |
2581 | /* or when a new cctx was attached to an existing coroutine */ |
2224 | if (expect_true (!slf_frame.prepare)) |
2582 | if (ecb_expect_true (!slf_frame.prepare)) |
2225 | { |
2583 | { |
2226 | /* first iteration */ |
2584 | /* first iteration */ |
2227 | dSP; |
2585 | dSP; |
2228 | SV **arg = PL_stack_base + TOPMARK + 1; |
2586 | SV **arg = PL_stack_base + TOPMARK + 1; |
2229 | int items = SP - arg; /* args without function object */ |
2587 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2270 | while (slf_frame.check (aTHX_ &slf_frame)); |
2628 | while (slf_frame.check (aTHX_ &slf_frame)); |
2271 | |
2629 | |
2272 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2630 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2273 | |
2631 | |
2274 | /* exception handling */ |
2632 | /* exception handling */ |
2275 | if (expect_false (CORO_THROW)) |
2633 | if (ecb_expect_false (CORO_THROW)) |
2276 | { |
2634 | { |
2277 | SV *exception = sv_2mortal (CORO_THROW); |
2635 | SV *exception = sv_2mortal (CORO_THROW); |
2278 | |
2636 | |
2279 | CORO_THROW = 0; |
2637 | CORO_THROW = 0; |
2280 | sv_setsv (ERRSV, exception); |
2638 | sv_setsv (ERRSV, exception); |
2281 | croak (0); |
2639 | croak (0); |
2282 | } |
2640 | } |
2283 | |
2641 | |
2284 | /* return value handling - mostly like entersub */ |
2642 | /* return value handling - mostly like entersub */ |
2285 | /* make sure we put something on the stack in scalar context */ |
2643 | /* make sure we put something on the stack in scalar context */ |
2286 | if (GIMME_V == G_SCALAR) |
2644 | if (GIMME_V == G_SCALAR |
|
|
2645 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2287 | { |
2646 | { |
2288 | dSP; |
2647 | dSP; |
2289 | SV **bot = PL_stack_base + checkmark; |
2648 | SV **bot = PL_stack_base + checkmark; |
2290 | |
2649 | |
2291 | if (sp == bot) /* too few, push undef */ |
2650 | if (sp == bot) /* too few, push undef */ |
2292 | bot [1] = &PL_sv_undef; |
2651 | bot [1] = &PL_sv_undef; |
2293 | else if (sp != bot + 1) /* too many, take last one */ |
2652 | else /* too many, take last one */ |
2294 | bot [1] = *sp; |
2653 | bot [1] = *sp; |
2295 | |
2654 | |
2296 | SP = bot + 1; |
2655 | SP = bot + 1; |
2297 | |
2656 | |
2298 | PUTBACK; |
2657 | PUTBACK; |
… | |
… | |
2331 | if (PL_op->op_flags & OPf_STACKED) |
2690 | if (PL_op->op_flags & OPf_STACKED) |
2332 | { |
2691 | { |
2333 | if (items > slf_arga) |
2692 | if (items > slf_arga) |
2334 | { |
2693 | { |
2335 | slf_arga = items; |
2694 | slf_arga = items; |
2336 | free (slf_argv); |
2695 | Safefree (slf_argv); |
2337 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2696 | New (0, slf_argv, slf_arga, SV *); |
2338 | } |
2697 | } |
2339 | |
2698 | |
2340 | slf_argc = items; |
2699 | slf_argc = items; |
2341 | |
2700 | |
2342 | for (i = 0; i < items; ++i) |
2701 | for (i = 0; i < items; ++i) |
… | |
… | |
2405 | { |
2764 | { |
2406 | PerlIOBuf base; |
2765 | PerlIOBuf base; |
2407 | NV next, every; |
2766 | NV next, every; |
2408 | } PerlIOCede; |
2767 | } PerlIOCede; |
2409 | |
2768 | |
2410 | static IV |
2769 | static IV ecb_cold |
2411 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2770 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2412 | { |
2771 | { |
2413 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2772 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2414 | |
2773 | |
2415 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2774 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2416 | self->next = nvtime () + self->every; |
2775 | self->next = nvtime () + self->every; |
2417 | |
2776 | |
2418 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2777 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2419 | } |
2778 | } |
2420 | |
2779 | |
2421 | static SV * |
2780 | static SV * ecb_cold |
2422 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2781 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2423 | { |
2782 | { |
2424 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2783 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2425 | |
2784 | |
2426 | return newSVnv (self->every); |
2785 | return newSVnv (self->every); |
… | |
… | |
2538 | SvREFCNT_dec (cb); |
2897 | SvREFCNT_dec (cb); |
2539 | } |
2898 | } |
2540 | } |
2899 | } |
2541 | |
2900 | |
2542 | static void |
2901 | static void |
2543 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2902 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2544 | { |
2903 | { |
2545 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2904 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2546 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2905 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2547 | } |
2906 | } |
2548 | |
2907 | |
2549 | static int |
2908 | static int |
2550 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2909 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2551 | { |
2910 | { |
2552 | AV *av = (AV *)frame->data; |
2911 | AV *av = (AV *)frame->data; |
2553 | SV *count_sv = AvARRAY (av)[0]; |
2912 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2913 | SV *coro_hv = SvRV (coro_current); |
2554 | |
2914 | |
2555 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2915 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2556 | if (CORO_THROW) |
2916 | if (CORO_THROW) |
2557 | return 0; |
2917 | return 0; |
2558 | else if (SvIVX (count_sv) > 0) |
2918 | else if (SvIVX (count_sv) > 0) |
2559 | { |
2919 | { |
2560 | SvSTATE_current->on_destroy = 0; |
2920 | frame->destroy = 0; |
2561 | |
2921 | |
2562 | if (acquire) |
2922 | if (acquire) |
2563 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2923 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2564 | else |
2924 | else |
2565 | coro_semaphore_adjust (aTHX_ av, 0); |
2925 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2570 | { |
2930 | { |
2571 | int i; |
2931 | int i; |
2572 | /* if we were woken up but can't down, we look through the whole */ |
2932 | /* if we were woken up but can't down, we look through the whole */ |
2573 | /* waiters list and only add us if we aren't in there already */ |
2933 | /* waiters list and only add us if we aren't in there already */ |
2574 | /* this avoids some degenerate memory usage cases */ |
2934 | /* this avoids some degenerate memory usage cases */ |
2575 | |
2935 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2576 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2577 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2936 | if (AvARRAY (av)[i] == coro_hv) |
2578 | return 1; |
2937 | return 1; |
2579 | |
2938 | |
2580 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2939 | av_push (av, SvREFCNT_inc (coro_hv)); |
2581 | return 1; |
2940 | return 1; |
2582 | } |
2941 | } |
2583 | } |
2942 | } |
2584 | |
2943 | |
2585 | static int |
2944 | static int |
… | |
… | |
2608 | { |
2967 | { |
2609 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2968 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2610 | |
2969 | |
2611 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2970 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2612 | frame->prepare = prepare_schedule; |
2971 | frame->prepare = prepare_schedule; |
2613 | |
|
|
2614 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2972 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2615 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2973 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2616 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2974 | frame->destroy = coro_semaphore_destroy; |
2617 | } |
2975 | } |
2618 | } |
2976 | } |
2619 | |
2977 | |
2620 | static void |
2978 | static void |
2621 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2979 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2629 | { |
2987 | { |
2630 | if (items >= 2) |
2988 | if (items >= 2) |
2631 | { |
2989 | { |
2632 | /* callback form */ |
2990 | /* callback form */ |
2633 | AV *av = (AV *)SvRV (arg [0]); |
2991 | AV *av = (AV *)SvRV (arg [0]); |
2634 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
2992 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2635 | |
2993 | |
2636 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2994 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2637 | |
2995 | |
2638 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2996 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2639 | coro_semaphore_adjust (aTHX_ av, 0); |
2997 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2699 | { |
3057 | { |
2700 | AV *av = (AV *)SvRV (arg [0]); |
3058 | AV *av = (AV *)SvRV (arg [0]); |
2701 | |
3059 | |
2702 | if (items >= 2) |
3060 | if (items >= 2) |
2703 | { |
3061 | { |
2704 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
3062 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2705 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
3063 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2706 | |
3064 | |
2707 | if (SvIVX (AvARRAY (av)[0])) |
3065 | if (SvIVX (AvARRAY (av)[0])) |
2708 | coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ |
3066 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
2709 | |
3067 | |
2710 | frame->prepare = prepare_nop; |
3068 | frame->prepare = prepare_nop; |
2711 | frame->check = slf_check_nop; |
3069 | frame->check = slf_check_nop; |
2712 | } |
3070 | } |
2713 | else if (SvIVX (AvARRAY (av)[0])) |
3071 | else if (SvIVX (AvARRAY (av)[0])) |
… | |
… | |
2744 | |
3102 | |
2745 | static void |
3103 | static void |
2746 | coro_aio_callback (pTHX_ CV *cv) |
3104 | coro_aio_callback (pTHX_ CV *cv) |
2747 | { |
3105 | { |
2748 | dXSARGS; |
3106 | dXSARGS; |
2749 | AV *state = (AV *)GENSUB_ARG; |
3107 | AV *state = (AV *)S_GENSUB_ARG; |
2750 | SV *coro = av_pop (state); |
3108 | SV *coro = av_pop (state); |
2751 | SV *data_sv = newSV (sizeof (struct io_state)); |
3109 | SV *data_sv = newSV (sizeof (struct io_state)); |
2752 | |
3110 | |
2753 | av_extend (state, items - 1); |
3111 | av_extend (state, items - 1); |
2754 | |
3112 | |
… | |
… | |
2839 | dSP; |
3197 | dSP; |
2840 | |
3198 | |
2841 | static SV *prio_cv; |
3199 | static SV *prio_cv; |
2842 | static SV *prio_sv; |
3200 | static SV *prio_sv; |
2843 | |
3201 | |
2844 | if (expect_false (!prio_cv)) |
3202 | if (ecb_expect_false (!prio_cv)) |
2845 | { |
3203 | { |
2846 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3204 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2847 | prio_sv = newSViv (0); |
3205 | prio_sv = newSViv (0); |
2848 | } |
3206 | } |
2849 | |
3207 | |
… | |
… | |
2868 | |
3226 | |
2869 | for (i = 0; i < items; ++i) |
3227 | for (i = 0; i < items; ++i) |
2870 | PUSHs (arg [i]); |
3228 | PUSHs (arg [i]); |
2871 | |
3229 | |
2872 | /* now push the callback closure */ |
3230 | /* now push the callback closure */ |
2873 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3231 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2874 | |
3232 | |
2875 | /* now call the AIO function - we assume our request is uncancelable */ |
3233 | /* now call the AIO function - we assume our request is uncancelable */ |
2876 | PUTBACK; |
3234 | PUTBACK; |
2877 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3235 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2878 | } |
3236 | } |
2879 | |
3237 | |
2880 | /* now that the requets is going, we loop toll we have a result */ |
3238 | /* now that the request is going, we loop till we have a result */ |
2881 | frame->data = (void *)state; |
3239 | frame->data = (void *)state; |
2882 | frame->prepare = prepare_schedule; |
3240 | frame->prepare = prepare_schedule; |
2883 | frame->check = slf_check_aio_req; |
3241 | frame->check = slf_check_aio_req; |
2884 | } |
3242 | } |
2885 | |
3243 | |
… | |
… | |
2895 | |
3253 | |
2896 | /*****************************************************************************/ |
3254 | /*****************************************************************************/ |
2897 | |
3255 | |
2898 | #if CORO_CLONE |
3256 | #if CORO_CLONE |
2899 | # include "clone.c" |
3257 | # include "clone.c" |
|
|
3258 | #endif |
|
|
3259 | |
|
|
3260 | /*****************************************************************************/ |
|
|
3261 | |
|
|
3262 | static SV * |
|
|
3263 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3264 | { |
|
|
3265 | SV *coro_sv; |
|
|
3266 | struct coro *coro; |
|
|
3267 | MAGIC *mg; |
|
|
3268 | HV *hv; |
|
|
3269 | SV *cb; |
|
|
3270 | int i; |
|
|
3271 | |
|
|
3272 | if (argc > 0) |
|
|
3273 | { |
|
|
3274 | cb = s_get_cv_croak (argv [0]); |
|
|
3275 | |
|
|
3276 | if (!is_coro) |
|
|
3277 | { |
|
|
3278 | if (CvISXSUB (cb)) |
|
|
3279 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3280 | |
|
|
3281 | if (!CvROOT (cb)) |
|
|
3282 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3283 | } |
|
|
3284 | } |
|
|
3285 | |
|
|
3286 | Newz (0, coro, 1, struct coro); |
|
|
3287 | coro->args = newAV (); |
|
|
3288 | coro->flags = CF_NEW; |
|
|
3289 | |
|
|
3290 | if (coro_first) coro_first->prev = coro; |
|
|
3291 | coro->next = coro_first; |
|
|
3292 | coro_first = coro; |
|
|
3293 | |
|
|
3294 | coro->hv = hv = newHV (); |
|
|
3295 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3296 | mg->mg_flags |= MGf_DUP; |
|
|
3297 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3298 | |
|
|
3299 | if (argc > 0) |
|
|
3300 | { |
|
|
3301 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3302 | |
|
|
3303 | if (is_coro) |
|
|
3304 | { |
|
|
3305 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3306 | cb = (SV *)cv_coro_run; |
|
|
3307 | } |
|
|
3308 | |
|
|
3309 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3310 | |
|
|
3311 | for (i = 1; i < argc; i++) |
|
|
3312 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3313 | } |
|
|
3314 | |
|
|
3315 | return coro_sv; |
|
|
3316 | } |
|
|
3317 | |
|
|
3318 | #ifndef __cplusplus |
|
|
3319 | ecb_cold XS(boot_Coro__State); |
|
|
3320 | #endif |
|
|
3321 | |
|
|
3322 | #if CORO_JIT |
|
|
3323 | |
|
|
3324 | static void ecb_noinline ecb_cold |
|
|
3325 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3326 | { |
|
|
3327 | dSP; |
|
|
3328 | AV *av = newAV (); |
|
|
3329 | |
|
|
3330 | av_store (av, 3, newSVuv (d)); |
|
|
3331 | av_store (av, 2, newSVuv (c)); |
|
|
3332 | av_store (av, 1, newSVuv (b)); |
|
|
3333 | av_store (av, 0, newSVuv (a)); |
|
|
3334 | |
|
|
3335 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3336 | |
|
|
3337 | PUTBACK; |
|
|
3338 | } |
|
|
3339 | |
|
|
3340 | static void ecb_noinline ecb_cold |
|
|
3341 | jit_init (pTHX) |
|
|
3342 | { |
|
|
3343 | dSP; |
|
|
3344 | SV *load, *save; |
|
|
3345 | char *map_base; |
|
|
3346 | char *load_ptr, *save_ptr; |
|
|
3347 | STRLEN load_len, save_len, map_len; |
|
|
3348 | int count; |
|
|
3349 | |
|
|
3350 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3351 | |
|
|
3352 | PUSHMARK (SP); |
|
|
3353 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3354 | #include "state.h" |
|
|
3355 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3356 | SPAGAIN; |
|
|
3357 | |
|
|
3358 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3359 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3360 | |
|
|
3361 | map_len = load_len + save_len + 16; |
|
|
3362 | |
|
|
3363 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3364 | |
|
|
3365 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3366 | |
|
|
3367 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3368 | memcpy (map_base, load_ptr, load_len); |
|
|
3369 | |
|
|
3370 | map_base += (load_len + 15) & ~15; |
|
|
3371 | |
|
|
3372 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3373 | memcpy (map_base, save_ptr, save_len); |
|
|
3374 | |
|
|
3375 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3376 | /* hackers might have it a bit more difficult */ |
|
|
3377 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3378 | |
|
|
3379 | PUTBACK; |
|
|
3380 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3381 | } |
|
|
3382 | |
2900 | #endif |
3383 | #endif |
2901 | |
3384 | |
2902 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3385 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2903 | |
3386 | |
2904 | PROTOTYPES: DISABLE |
3387 | PROTOTYPES: DISABLE |
… | |
… | |
2908 | #ifdef USE_ITHREADS |
3391 | #ifdef USE_ITHREADS |
2909 | # if CORO_PTHREAD |
3392 | # if CORO_PTHREAD |
2910 | coro_thx = PERL_GET_CONTEXT; |
3393 | coro_thx = PERL_GET_CONTEXT; |
2911 | # endif |
3394 | # endif |
2912 | #endif |
3395 | #endif |
2913 | BOOT_PAGESIZE; |
3396 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3397 | /* just create them one at init time is not clear to me, except for */ |
|
|
3398 | /* programs trying to delete them, but... */ |
|
|
3399 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3400 | DEFSV; |
|
|
3401 | ERRSV; |
2914 | |
3402 | |
2915 | cctx_current = cctx_new_empty (); |
3403 | cctx_current = cctx_new_empty (); |
2916 | |
3404 | |
2917 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3405 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2918 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3406 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
2958 | coroapi.prepare_nop = prepare_nop; |
3446 | coroapi.prepare_nop = prepare_nop; |
2959 | coroapi.prepare_schedule = prepare_schedule; |
3447 | coroapi.prepare_schedule = prepare_schedule; |
2960 | coroapi.prepare_cede = prepare_cede; |
3448 | coroapi.prepare_cede = prepare_cede; |
2961 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3449 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2962 | |
3450 | |
2963 | { |
3451 | time_init (aTHX); |
2964 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2965 | |
3452 | |
2966 | if (!svp) croak ("Time::HiRes is required"); |
|
|
2967 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
2968 | |
|
|
2969 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
2970 | } |
|
|
2971 | |
|
|
2972 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
3453 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3454 | #if CORO_JIT |
|
|
3455 | PUTBACK; |
|
|
3456 | jit_init (aTHX); |
|
|
3457 | SPAGAIN; |
|
|
3458 | #endif |
2973 | } |
3459 | } |
2974 | |
3460 | |
2975 | SV * |
3461 | SV * |
2976 | new (char *klass, ...) |
3462 | new (SV *klass, ...) |
2977 | ALIAS: |
3463 | ALIAS: |
2978 | Coro::new = 1 |
3464 | Coro::new = 1 |
2979 | CODE: |
3465 | CODE: |
2980 | { |
3466 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2981 | struct coro *coro; |
3467 | OUTPUT: |
2982 | MAGIC *mg; |
|
|
2983 | HV *hv; |
|
|
2984 | CV *cb; |
|
|
2985 | int i; |
|
|
2986 | |
|
|
2987 | if (items > 1) |
|
|
2988 | { |
|
|
2989 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2990 | |
|
|
2991 | if (!ix) |
|
|
2992 | { |
|
|
2993 | if (CvISXSUB (cb)) |
|
|
2994 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2995 | |
|
|
2996 | if (!CvROOT (cb)) |
|
|
2997 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2998 | } |
|
|
2999 | } |
|
|
3000 | |
|
|
3001 | Newz (0, coro, 1, struct coro); |
|
|
3002 | coro->args = newAV (); |
|
|
3003 | coro->flags = CF_NEW; |
|
|
3004 | |
|
|
3005 | if (coro_first) coro_first->prev = coro; |
|
|
3006 | coro->next = coro_first; |
|
|
3007 | coro_first = coro; |
|
|
3008 | |
|
|
3009 | coro->hv = hv = newHV (); |
|
|
3010 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3011 | mg->mg_flags |= MGf_DUP; |
|
|
3012 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
3013 | |
|
|
3014 | if (items > 1) |
|
|
3015 | { |
|
|
3016 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
3017 | |
|
|
3018 | if (ix) |
|
|
3019 | { |
|
|
3020 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3021 | cb = cv_coro_run; |
|
|
3022 | } |
|
|
3023 | |
|
|
3024 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3025 | |
|
|
3026 | for (i = 2; i < items; i++) |
|
|
3027 | av_push (coro->args, newSVsv (ST (i))); |
|
|
3028 | } |
|
|
3029 | } |
|
|
3030 | OUTPUT: |
|
|
3031 | RETVAL |
3468 | RETVAL |
3032 | |
3469 | |
3033 | void |
3470 | void |
3034 | transfer (...) |
3471 | transfer (...) |
3035 | PROTOTYPE: $$ |
3472 | PROTOTYPE: $$ |
3036 | CODE: |
3473 | CODE: |
3037 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3474 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3038 | |
|
|
3039 | bool |
|
|
3040 | _destroy (SV *coro_sv) |
|
|
3041 | CODE: |
|
|
3042 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
3043 | OUTPUT: |
|
|
3044 | RETVAL |
|
|
3045 | |
3475 | |
3046 | void |
3476 | void |
3047 | _exit (int code) |
3477 | _exit (int code) |
3048 | PROTOTYPE: $ |
3478 | PROTOTYPE: $ |
3049 | CODE: |
3479 | CODE: |
… | |
… | |
3110 | void |
3540 | void |
3111 | list () |
3541 | list () |
3112 | PROTOTYPE: |
3542 | PROTOTYPE: |
3113 | PPCODE: |
3543 | PPCODE: |
3114 | { |
3544 | { |
3115 | struct coro *coro; |
3545 | struct coro *coro; |
3116 | for (coro = coro_first; coro; coro = coro->next) |
3546 | for (coro = coro_first; coro; coro = coro->next) |
3117 | if (coro->hv) |
3547 | if (coro->hv) |
3118 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3548 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3119 | } |
3549 | } |
3120 | |
3550 | |
… | |
… | |
3125 | CODE: |
3555 | CODE: |
3126 | { |
3556 | { |
3127 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3557 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3128 | { |
3558 | { |
3129 | struct coro *current = SvSTATE_current; |
3559 | struct coro *current = SvSTATE_current; |
|
|
3560 | struct CoroSLF slf_save; |
3130 | |
3561 | |
3131 | if (current != coro) |
3562 | if (current != coro) |
3132 | { |
3563 | { |
3133 | PUTBACK; |
3564 | PUTBACK; |
3134 | save_perl (aTHX_ current); |
3565 | save_perl (aTHX_ current); |
3135 | load_perl (aTHX_ coro); |
3566 | load_perl (aTHX_ coro); |
|
|
3567 | /* the coro is most likely in an active SLF call. |
|
|
3568 | * while not strictly required (the code we execute is |
|
|
3569 | * not allowed to call any SLF functions), it's cleaner |
|
|
3570 | * to reinitialise the slf_frame and restore it later. |
|
|
3571 | * This might one day allow us to actually do SLF calls |
|
|
3572 | * from code executed here. |
|
|
3573 | */ |
|
|
3574 | slf_save = slf_frame; |
|
|
3575 | slf_frame.prepare = 0; |
3136 | SPAGAIN; |
3576 | SPAGAIN; |
3137 | } |
3577 | } |
3138 | |
3578 | |
3139 | PUSHSTACK; |
3579 | PUSHSTACK; |
3140 | |
3580 | |
… | |
… | |
3150 | SPAGAIN; |
3590 | SPAGAIN; |
3151 | |
3591 | |
3152 | if (current != coro) |
3592 | if (current != coro) |
3153 | { |
3593 | { |
3154 | PUTBACK; |
3594 | PUTBACK; |
|
|
3595 | slf_frame = slf_save; |
3155 | save_perl (aTHX_ coro); |
3596 | save_perl (aTHX_ coro); |
3156 | load_perl (aTHX_ current); |
3597 | load_perl (aTHX_ current); |
3157 | SPAGAIN; |
3598 | SPAGAIN; |
3158 | } |
3599 | } |
3159 | } |
3600 | } |
… | |
… | |
3164 | PROTOTYPE: $ |
3605 | PROTOTYPE: $ |
3165 | ALIAS: |
3606 | ALIAS: |
3166 | is_ready = CF_READY |
3607 | is_ready = CF_READY |
3167 | is_running = CF_RUNNING |
3608 | is_running = CF_RUNNING |
3168 | is_new = CF_NEW |
3609 | is_new = CF_NEW |
3169 | is_destroyed = CF_DESTROYED |
3610 | is_destroyed = CF_ZOMBIE |
|
|
3611 | is_zombie = CF_ZOMBIE |
3170 | is_suspended = CF_SUSPENDED |
3612 | is_suspended = CF_SUSPENDED |
3171 | CODE: |
3613 | CODE: |
3172 | RETVAL = boolSV (coro->flags & ix); |
3614 | RETVAL = boolSV (coro->flags & ix); |
3173 | OUTPUT: |
3615 | OUTPUT: |
3174 | RETVAL |
3616 | RETVAL |
3175 | |
3617 | |
3176 | void |
3618 | void |
3177 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3619 | throw (SV *self, SV *exception = &PL_sv_undef) |
3178 | PROTOTYPE: $;$ |
3620 | PROTOTYPE: $;$ |
3179 | CODE: |
3621 | CODE: |
3180 | { |
3622 | { |
|
|
3623 | struct coro *coro = SvSTATE (self); |
3181 | struct coro *current = SvSTATE_current; |
3624 | struct coro *current = SvSTATE_current; |
3182 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3625 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3183 | SvREFCNT_dec (*throwp); |
3626 | SvREFCNT_dec (*exceptionp); |
3184 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3627 | SvGETMAGIC (exception); |
|
|
3628 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3629 | |
|
|
3630 | api_ready (aTHX_ self); |
3185 | } |
3631 | } |
3186 | |
3632 | |
3187 | void |
3633 | void |
3188 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3634 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3189 | PROTOTYPE: $;$ |
3635 | PROTOTYPE: $;$ |
… | |
… | |
3244 | |
3690 | |
3245 | void |
3691 | void |
3246 | cancel (Coro::State self) |
3692 | cancel (Coro::State self) |
3247 | CODE: |
3693 | CODE: |
3248 | coro_state_destroy (aTHX_ self); |
3694 | coro_state_destroy (aTHX_ self); |
3249 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
3695 | |
|
|
3696 | SV * |
|
|
3697 | enable_times (int enabled = enable_times) |
|
|
3698 | CODE: |
|
|
3699 | { |
|
|
3700 | RETVAL = boolSV (enable_times); |
|
|
3701 | |
|
|
3702 | if (enabled != enable_times) |
|
|
3703 | { |
|
|
3704 | enable_times = enabled; |
|
|
3705 | |
|
|
3706 | coro_times_update (); |
|
|
3707 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3708 | } |
|
|
3709 | } |
|
|
3710 | OUTPUT: |
|
|
3711 | RETVAL |
|
|
3712 | |
|
|
3713 | void |
|
|
3714 | times (Coro::State self) |
|
|
3715 | PPCODE: |
|
|
3716 | { |
|
|
3717 | struct coro *current = SvSTATE (coro_current); |
|
|
3718 | |
|
|
3719 | if (ecb_expect_false (current == self)) |
|
|
3720 | { |
|
|
3721 | coro_times_update (); |
|
|
3722 | coro_times_add (SvSTATE (coro_current)); |
|
|
3723 | } |
|
|
3724 | |
|
|
3725 | EXTEND (SP, 2); |
|
|
3726 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3727 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3728 | |
|
|
3729 | if (ecb_expect_false (current == self)) |
|
|
3730 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3731 | } |
|
|
3732 | |
|
|
3733 | void |
|
|
3734 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3735 | CODE: |
|
|
3736 | { |
|
|
3737 | struct coro *current = SvSTATE_current; |
|
|
3738 | |
|
|
3739 | if (current == coro) |
|
|
3740 | SWAP_SVS (current); |
|
|
3741 | |
|
|
3742 | if (!coro->swap_sv) |
|
|
3743 | coro->swap_sv = newAV (); |
|
|
3744 | |
|
|
3745 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3746 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3747 | |
|
|
3748 | if (current == coro) |
|
|
3749 | SWAP_SVS (current); |
|
|
3750 | } |
3250 | |
3751 | |
3251 | |
3752 | |
3252 | MODULE = Coro::State PACKAGE = Coro |
3753 | MODULE = Coro::State PACKAGE = Coro |
3253 | |
3754 | |
3254 | BOOT: |
3755 | BOOT: |
3255 | { |
3756 | { |
3256 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3757 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3257 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3758 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3258 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3759 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3259 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3260 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3760 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3261 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3761 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3262 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3762 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3263 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3763 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3264 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3764 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3265 | |
3765 | |
3266 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3766 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3267 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3767 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3268 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3768 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3269 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3769 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3270 | |
3770 | |
3271 | coro_stash = gv_stashpv ("Coro", TRUE); |
3771 | coro_stash = gv_stashpv ("Coro", TRUE); |
3272 | |
3772 | |
3273 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3773 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3274 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3774 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3275 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3775 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3276 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3776 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW)); |
3277 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3777 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE)); |
3278 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3778 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN)); |
3279 | |
3779 | |
3280 | { |
3780 | { |
3281 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3781 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3282 | |
3782 | |
3283 | coroapi.schedule = api_schedule; |
3783 | coroapi.schedule = api_schedule; |
… | |
… | |
3293 | sv_setiv (sv, (IV)&coroapi); |
3793 | sv_setiv (sv, (IV)&coroapi); |
3294 | SvREADONLY_on (sv); |
3794 | SvREADONLY_on (sv); |
3295 | } |
3795 | } |
3296 | } |
3796 | } |
3297 | |
3797 | |
|
|
3798 | SV * |
|
|
3799 | async (...) |
|
|
3800 | PROTOTYPE: &@ |
|
|
3801 | CODE: |
|
|
3802 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3803 | api_ready (aTHX_ RETVAL); |
|
|
3804 | OUTPUT: |
|
|
3805 | RETVAL |
|
|
3806 | |
|
|
3807 | void |
|
|
3808 | _destroy (Coro::State coro) |
|
|
3809 | CODE: |
|
|
3810 | /* used by the manager thread */ |
|
|
3811 | coro_state_destroy (aTHX_ coro); |
|
|
3812 | |
|
|
3813 | void |
|
|
3814 | on_destroy (Coro::State coro, SV *cb) |
|
|
3815 | CODE: |
|
|
3816 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3817 | |
|
|
3818 | void |
|
|
3819 | join (...) |
|
|
3820 | CODE: |
|
|
3821 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
3822 | |
3298 | void |
3823 | void |
3299 | terminate (...) |
3824 | terminate (...) |
3300 | CODE: |
3825 | CODE: |
3301 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3826 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3827 | |
|
|
3828 | void |
|
|
3829 | cancel (...) |
|
|
3830 | CODE: |
|
|
3831 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3832 | |
|
|
3833 | int |
|
|
3834 | safe_cancel (Coro::State self, ...) |
|
|
3835 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
3302 | |
3836 | |
3303 | void |
3837 | void |
3304 | schedule (...) |
3838 | schedule (...) |
3305 | CODE: |
3839 | CODE: |
3306 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3840 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
… | |
… | |
3335 | void |
3869 | void |
3336 | _set_readyhook (SV *hook) |
3870 | _set_readyhook (SV *hook) |
3337 | PROTOTYPE: $ |
3871 | PROTOTYPE: $ |
3338 | CODE: |
3872 | CODE: |
3339 | SvREFCNT_dec (coro_readyhook); |
3873 | SvREFCNT_dec (coro_readyhook); |
|
|
3874 | SvGETMAGIC (hook); |
|
|
3875 | if (SvOK (hook)) |
|
|
3876 | { |
3340 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3877 | coro_readyhook = newSVsv (hook); |
|
|
3878 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3879 | } |
|
|
3880 | else |
|
|
3881 | { |
|
|
3882 | coro_readyhook = 0; |
|
|
3883 | CORO_READYHOOK = 0; |
|
|
3884 | } |
3341 | |
3885 | |
3342 | int |
3886 | int |
3343 | prio (Coro::State coro, int newprio = 0) |
3887 | prio (Coro::State coro, int newprio = 0) |
3344 | PROTOTYPE: $;$ |
3888 | PROTOTYPE: $;$ |
3345 | ALIAS: |
3889 | ALIAS: |
… | |
… | |
3351 | if (items > 1) |
3895 | if (items > 1) |
3352 | { |
3896 | { |
3353 | if (ix) |
3897 | if (ix) |
3354 | newprio = coro->prio - newprio; |
3898 | newprio = coro->prio - newprio; |
3355 | |
3899 | |
3356 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
3900 | if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN; |
3357 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
3901 | if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX; |
3358 | |
3902 | |
3359 | coro->prio = newprio; |
3903 | coro->prio = newprio; |
3360 | } |
3904 | } |
3361 | } |
3905 | } |
3362 | OUTPUT: |
3906 | OUTPUT: |
… | |
… | |
3409 | for (i = 1; i < items; ++i) |
3953 | for (i = 1; i < items; ++i) |
3410 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3954 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3411 | |
3955 | |
3412 | if ((SV *)hv == &PL_sv_undef) |
3956 | if ((SV *)hv == &PL_sv_undef) |
3413 | { |
3957 | { |
3414 | PUSHMARK (SP); |
3958 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3415 | EXTEND (SP, 2); |
|
|
3416 | PUSHs (sv_Coro); |
|
|
3417 | PUSHs ((SV *)cv_pool_handler); |
|
|
3418 | PUTBACK; |
|
|
3419 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3420 | SPAGAIN; |
|
|
3421 | |
|
|
3422 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
3959 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
3960 | SvREFCNT_dec (sv); |
3423 | } |
3961 | } |
3424 | |
3962 | |
3425 | { |
3963 | { |
3426 | struct coro *coro = SvSTATE_hv (hv); |
3964 | struct coro *coro = SvSTATE_hv (hv); |
3427 | |
3965 | |
… | |
… | |
3459 | on_leave = 1 |
3997 | on_leave = 1 |
3460 | PROTOTYPE: & |
3998 | PROTOTYPE: & |
3461 | CODE: |
3999 | CODE: |
3462 | { |
4000 | { |
3463 | struct coro *coro = SvSTATE_current; |
4001 | struct coro *coro = SvSTATE_current; |
3464 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4002 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3465 | |
4003 | |
3466 | block = (SV *)coro_sv_2cv (aTHX_ block); |
4004 | block = s_get_cv_croak (block); |
3467 | |
4005 | |
3468 | if (!*avp) |
4006 | if (!*avp) |
3469 | *avp = newAV (); |
4007 | *avp = newAV (); |
3470 | |
4008 | |
3471 | av_push (*avp, SvREFCNT_inc (block)); |
4009 | av_push (*avp, SvREFCNT_inc (block)); |
… | |
… | |
3488 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
4026 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3489 | |
4027 | |
3490 | SV * |
4028 | SV * |
3491 | new (SV *klass, SV *count = 0) |
4029 | new (SV *klass, SV *count = 0) |
3492 | CODE: |
4030 | CODE: |
|
|
4031 | { |
|
|
4032 | int semcnt = 1; |
|
|
4033 | |
|
|
4034 | if (count) |
|
|
4035 | { |
|
|
4036 | SvGETMAGIC (count); |
|
|
4037 | |
|
|
4038 | if (SvOK (count)) |
|
|
4039 | semcnt = SvIV (count); |
|
|
4040 | } |
|
|
4041 | |
3493 | RETVAL = sv_bless ( |
4042 | RETVAL = sv_bless ( |
3494 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
4043 | coro_waitarray_new (aTHX_ semcnt), |
3495 | GvSTASH (CvGV (cv)) |
4044 | GvSTASH (CvGV (cv)) |
3496 | ); |
4045 | ); |
|
|
4046 | } |
3497 | OUTPUT: |
4047 | OUTPUT: |
3498 | RETVAL |
4048 | RETVAL |
3499 | |
4049 | |
3500 | # helper for Coro::Channel and others |
4050 | # helper for Coro::Channel and others |
3501 | SV * |
4051 | SV * |
… | |
… | |
3547 | XSRETURN_NO; |
4097 | XSRETURN_NO; |
3548 | } |
4098 | } |
3549 | |
4099 | |
3550 | void |
4100 | void |
3551 | waiters (SV *self) |
4101 | waiters (SV *self) |
3552 | PPCODE: |
4102 | PPCODE: |
3553 | { |
4103 | { |
3554 | AV *av = (AV *)SvRV (self); |
4104 | AV *av = (AV *)SvRV (self); |
3555 | int wcount = AvFILLp (av) + 1 - 1; |
4105 | int wcount = AvFILLp (av) + 1 - 1; |
3556 | |
4106 | |
3557 | if (GIMME_V == G_SCALAR) |
4107 | if (GIMME_V == G_SCALAR) |
… | |
… | |
3566 | } |
4116 | } |
3567 | |
4117 | |
3568 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4118 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3569 | |
4119 | |
3570 | void |
4120 | void |
3571 | _may_delete (SV *sem, int count, int extra_refs) |
4121 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3572 | PPCODE: |
4122 | PPCODE: |
3573 | { |
4123 | { |
3574 | AV *av = (AV *)SvRV (sem); |
4124 | AV *av = (AV *)SvRV (sem); |
3575 | |
4125 | |
3576 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4126 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
3577 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4127 | && AvFILLp (av) == 0 /* no waiters, just count */ |
3578 | && SvIV (AvARRAY (av)[0]) == count) |
4128 | && SvIV (AvARRAY (av)[0]) == count) |
3579 | XSRETURN_YES; |
4129 | XSRETURN_YES; |
… | |
… | |
3600 | |
4150 | |
3601 | void |
4151 | void |
3602 | broadcast (SV *self) |
4152 | broadcast (SV *self) |
3603 | CODE: |
4153 | CODE: |
3604 | { |
4154 | { |
3605 | AV *av = (AV *)SvRV (self); |
4155 | AV *av = (AV *)SvRV (self); |
3606 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4156 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
3607 | } |
4157 | } |
3608 | |
4158 | |
3609 | void |
4159 | void |
3610 | send (SV *self) |
4160 | send (SV *self) |
… | |
… | |
3618 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4168 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3619 | } |
4169 | } |
3620 | |
4170 | |
3621 | IV |
4171 | IV |
3622 | awaited (SV *self) |
4172 | awaited (SV *self) |
3623 | CODE: |
4173 | CODE: |
3624 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4174 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
3625 | OUTPUT: |
4175 | OUTPUT: |
3626 | RETVAL |
4176 | RETVAL |
3627 | |
4177 | |
3628 | |
4178 | |
… | |
… | |
3633 | |
4183 | |
3634 | void |
4184 | void |
3635 | _schedule (...) |
4185 | _schedule (...) |
3636 | CODE: |
4186 | CODE: |
3637 | { |
4187 | { |
3638 | static int incede; |
4188 | static int incede; |
3639 | |
4189 | |
3640 | api_cede_notself (aTHX); |
4190 | api_cede_notself (aTHX); |
3641 | |
4191 | |
3642 | ++incede; |
4192 | ++incede; |
3643 | while (coro_nready >= incede && api_cede (aTHX)) |
4193 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
3659 | |
4209 | |
3660 | void |
4210 | void |
3661 | _register (char *target, char *proto, SV *req) |
4211 | _register (char *target, char *proto, SV *req) |
3662 | CODE: |
4212 | CODE: |
3663 | { |
4213 | { |
3664 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
4214 | SV *req_cv = s_get_cv_croak (req); |
3665 | /* newXSproto doesn't return the CV on 5.8 */ |
4215 | /* newXSproto doesn't return the CV on 5.8 */ |
3666 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
4216 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3667 | sv_setpv ((SV *)slf_cv, proto); |
4217 | sv_setpv ((SV *)slf_cv, proto); |
3668 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
4218 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3669 | } |
4219 | } |
3670 | |
4220 | |
|
|
4221 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
4222 | |
|
|
4223 | void |
|
|
4224 | patch_pp_sselect () |
|
|
4225 | CODE: |
|
|
4226 | if (!coro_old_pp_sselect) |
|
|
4227 | { |
|
|
4228 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4229 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4230 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4231 | } |
|
|
4232 | |
|
|
4233 | void |
|
|
4234 | unpatch_pp_sselect () |
|
|
4235 | CODE: |
|
|
4236 | if (coro_old_pp_sselect) |
|
|
4237 | { |
|
|
4238 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4239 | coro_old_pp_sselect = 0; |
|
|
4240 | } |
|
|
4241 | |