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1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
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2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
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3 | |
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4 | #define NDEBUG 1 /* perl usually disables NDEBUG later */ |
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5 | |
1 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
2 | |
7 | |
3 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
4 | #define PERL_EXT |
9 | #define PERL_EXT |
5 | |
10 | |
6 | #include "EXTERN.h" |
11 | #include "EXTERN.h" |
7 | #include "perl.h" |
12 | #include "perl.h" |
8 | #include "XSUB.h" |
13 | #include "XSUB.h" |
9 | #include "perliol.h" |
14 | #include "perliol.h" |
10 | |
15 | |
11 | #include "patchlevel.h" |
16 | #include "schmorp.h" |
12 | |
17 | |
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18 | #define ECB_NO_THREADS 1 |
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19 | #include "ecb.h" |
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20 | |
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21 | #include <stddef.h> |
13 | #include <stdio.h> |
22 | #include <stdio.h> |
14 | #include <errno.h> |
23 | #include <errno.h> |
15 | #include <assert.h> |
24 | #include <assert.h> |
16 | |
25 | |
17 | #ifdef WIN32 |
26 | #ifndef SVs_PADSTALE |
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27 | # define SVs_PADSTALE 0 |
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28 | #endif |
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29 | |
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30 | #ifdef PadARRAY |
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31 | # define NEWPADAPI 1 |
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32 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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33 | #else |
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34 | typedef AV PADNAMELIST; |
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35 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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36 | typedef AV PADLIST; |
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37 | typedef AV PAD; |
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38 | # endif |
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39 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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40 | # define PadlistMAX(pl) AvFILLp (pl) |
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41 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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42 | # define PadARRAY AvARRAY |
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43 | # define PadMAX AvFILLp |
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44 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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45 | #endif |
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46 | |
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47 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
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48 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
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49 | #if PERL_VERSION_ATLEAST(5,19,0) |
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50 | # define SVt_BIND SVt_IV |
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51 | #endif |
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52 | |
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53 | #if defined(_WIN32) |
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54 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
55 | # undef setjmp |
19 | # undef longjmp |
56 | # undef longjmp |
20 | # undef _exit |
57 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
58 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
59 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
60 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
61 | #endif |
25 | |
62 | |
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 */ |
63 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
64 | static int cctx_max_idle = 4; |
55 | |
65 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
66 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
57 | (PERL_REVISION > (a) \ |
67 | # 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 | |
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104 | /* 5.8.7 */ |
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105 | #ifndef SvRV_set |
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106 | # define SvRV_set(s,v) SvRV(s) = (v) |
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107 | #endif |
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108 | |
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109 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
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110 | # undef CORO_STACKGUARD |
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111 | #endif |
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112 | |
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113 | #ifndef CORO_STACKGUARD |
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114 | # define CORO_STACKGUARD 0 |
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115 | #endif |
68 | #endif |
116 | |
69 | |
117 | /* prefer perl internal functions over our own? */ |
70 | /* prefer perl internal functions over our own? */ |
118 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
71 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
119 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
72 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
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127 | #else |
80 | #else |
128 | # define dSTACKLEVEL volatile void *stacklevel |
81 | # define dSTACKLEVEL volatile void *stacklevel |
129 | # define STACKLEVEL ((void *)&stacklevel) |
82 | # define STACKLEVEL ((void *)&stacklevel) |
130 | #endif |
83 | #endif |
131 | |
84 | |
132 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
85 | #define IN_DESTRUCT PL_dirty |
133 | |
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134 | #if __GNUC__ >= 3 |
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135 | # define attribute(x) __attribute__(x) |
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136 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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137 | # define INLINE static inline |
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138 | #else |
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139 | # define attribute(x) |
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140 | # define expect(expr,value) (expr) |
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141 | # define INLINE static |
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142 | #endif |
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143 | |
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144 | #define expect_false(expr) expect ((expr) != 0, 0) |
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145 | #define expect_true(expr) expect ((expr) != 0, 1) |
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146 | |
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147 | #define NOINLINE attribute ((noinline)) |
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148 | |
86 | |
149 | #include "CoroAPI.h" |
87 | #include "CoroAPI.h" |
150 | #define GCoroAPI (&coroapi) /* very sneaky */ |
88 | #define GCoroAPI (&coroapi) /* very sneaky */ |
151 | |
89 | |
152 | #ifdef USE_ITHREADS |
90 | #ifdef USE_ITHREADS |
153 | # if CORO_PTHREAD |
91 | # if CORO_PTHREAD |
154 | static void *coro_thx; |
92 | static void *coro_thx; |
155 | # endif |
93 | # endif |
156 | #endif |
94 | #endif |
157 | |
95 | |
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96 | #ifdef __linux |
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97 | # include <time.h> /* for timespec */ |
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98 | # include <syscall.h> /* for SYS_* */ |
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99 | # ifdef SYS_clock_gettime |
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100 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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101 | # define CORO_CLOCK_MONOTONIC 1 |
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102 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
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103 | # endif |
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104 | #endif |
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105 | |
158 | static double (*nvtime)(); /* so why doesn't it take void? */ |
106 | static double (*nvtime)(); /* so why doesn't it take void? */ |
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107 | static void (*u2time)(pTHX_ UV ret[2]); |
159 | |
108 | |
160 | /* we hijack an hopefully unused CV flag for our purposes */ |
109 | /* we hijack an hopefully unused CV flag for our purposes */ |
161 | #define CVf_SLF 0x4000 |
110 | #define CVf_SLF 0x4000 |
162 | static OP *pp_slf (pTHX); |
111 | static OP *pp_slf (pTHX); |
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112 | static void slf_destroy (pTHX_ struct coro *coro); |
163 | |
113 | |
164 | static U32 cctx_gen; |
114 | static U32 cctx_gen; |
165 | static size_t cctx_stacksize = CORO_STACKSIZE; |
115 | static size_t cctx_stacksize = CORO_STACKSIZE; |
166 | static struct CoroAPI coroapi; |
116 | static struct CoroAPI coroapi; |
167 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
117 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
168 | static JMPENV *main_top_env; |
118 | static JMPENV *main_top_env; |
169 | static HV *coro_state_stash, *coro_stash; |
119 | static HV *coro_state_stash, *coro_stash; |
170 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
120 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
171 | |
121 | |
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122 | static AV *av_destroy; /* destruction queue */ |
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123 | static SV *sv_manager; /* the manager coro */ |
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124 | static SV *sv_idle; /* $Coro::idle */ |
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125 | |
172 | static GV *irsgv; /* $/ */ |
126 | static GV *irsgv; /* $/ */ |
173 | static GV *stdoutgv; /* *STDOUT */ |
127 | static GV *stdoutgv; /* *STDOUT */ |
174 | static SV *rv_diehook; |
128 | static SV *rv_diehook; |
175 | static SV *rv_warnhook; |
129 | static SV *rv_warnhook; |
176 | static HV *hv_sig; /* %SIG */ |
130 | static HV *hv_sig; /* %SIG */ |
177 | |
131 | |
178 | /* async_pool helper stuff */ |
132 | /* async_pool helper stuff */ |
179 | static SV *sv_pool_rss; |
133 | static SV *sv_pool_rss; |
180 | static SV *sv_pool_size; |
134 | static SV *sv_pool_size; |
181 | static SV *sv_async_pool_idle; |
135 | static SV *sv_async_pool_idle; /* description string */ |
182 | static AV *av_async_pool; |
136 | static AV *av_async_pool; /* idle pool */ |
183 | static SV *sv_Coro; |
137 | static SV *sv_Coro; /* class string */ |
184 | static CV *cv_pool_handler; |
138 | static CV *cv_pool_handler; |
185 | static CV *cv_coro_new; |
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186 | |
139 | |
187 | /* Coro::AnyEvent */ |
140 | /* Coro::AnyEvent */ |
188 | static SV *sv_activity; |
141 | static SV *sv_activity; |
189 | |
142 | |
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143 | /* enable processtime/realtime profiling */ |
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144 | static char enable_times; |
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145 | typedef U32 coro_ts[2]; |
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146 | static coro_ts time_real, time_cpu; |
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147 | static char times_valid; |
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148 | |
190 | static struct coro_cctx *cctx_first; |
149 | static struct coro_cctx *cctx_first; |
191 | static int cctx_count, cctx_idle; |
150 | static int cctx_count, cctx_idle; |
192 | |
151 | |
193 | enum { |
152 | enum |
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153 | { |
194 | CC_MAPPED = 0x01, |
154 | CC_MAPPED = 0x01, |
195 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
155 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
196 | CC_TRACE = 0x04, |
156 | CC_TRACE = 0x04, |
197 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
157 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
198 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
158 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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… | |
203 | typedef struct coro_cctx |
163 | typedef struct coro_cctx |
204 | { |
164 | { |
205 | struct coro_cctx *next; |
165 | struct coro_cctx *next; |
206 | |
166 | |
207 | /* the stack */ |
167 | /* the stack */ |
208 | void *sptr; |
168 | struct coro_stack stack; |
209 | size_t ssize; |
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210 | |
169 | |
211 | /* cpu state */ |
170 | /* cpu state */ |
212 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
171 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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172 | #ifndef NDEBUG |
213 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
173 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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174 | #endif |
214 | JMPENV *top_env; |
175 | JMPENV *top_env; |
215 | coro_context cctx; |
176 | coro_context cctx; |
216 | |
177 | |
217 | U32 gen; |
178 | U32 gen; |
218 | #if CORO_USE_VALGRIND |
179 | #if CORO_USE_VALGRIND |
219 | int valgrind_id; |
180 | int valgrind_id; |
220 | #endif |
181 | #endif |
221 | unsigned char flags; |
182 | unsigned char flags; |
222 | } coro_cctx; |
183 | } coro_cctx; |
223 | |
184 | |
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185 | static coro_cctx *cctx_current; /* the currently running cctx */ |
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186 | |
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187 | /*****************************************************************************/ |
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188 | |
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189 | static MGVTBL coro_state_vtbl; |
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190 | |
224 | enum { |
191 | enum |
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192 | { |
225 | CF_RUNNING = 0x0001, /* coroutine is running */ |
193 | CF_RUNNING = 0x0001, /* coroutine is running */ |
226 | CF_READY = 0x0002, /* coroutine is ready */ |
194 | CF_READY = 0x0002, /* coroutine is ready */ |
227 | CF_NEW = 0x0004, /* has never been switched to */ |
195 | CF_NEW = 0x0004, /* has never been switched to */ |
228 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
196 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
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197 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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198 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
229 | }; |
199 | }; |
230 | |
200 | |
231 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
201 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
232 | typedef struct |
202 | typedef struct |
233 | { |
203 | { |
234 | SV *defsv; |
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235 | AV *defav; |
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236 | SV *errsv; |
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237 | SV *irsgv; |
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238 | #define VAR(name,type) type name; |
204 | #define VARx(name,expr,type) type name; |
239 | # include "state.h" |
205 | #include "state.h" |
240 | #undef VAR |
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241 | } perl_slots; |
206 | } perl_slots; |
242 | |
207 | |
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208 | /* how many context stack entries do we need for perl_slots */ |
243 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
209 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
244 | |
210 | |
245 | /* this is a structure representing a perl-level coroutine */ |
211 | /* this is a structure representing a perl-level coroutine */ |
246 | struct coro { |
212 | struct coro |
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213 | { |
247 | /* the C coroutine allocated to this perl coroutine, if any */ |
214 | /* the C coroutine allocated to this perl coroutine, if any */ |
248 | coro_cctx *cctx; |
215 | coro_cctx *cctx; |
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216 | |
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217 | /* ready queue */ |
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218 | struct coro *next_ready; |
249 | |
219 | |
250 | /* state data */ |
220 | /* state data */ |
251 | struct CoroSLF slf_frame; /* saved slf frame */ |
221 | struct CoroSLF slf_frame; /* saved slf frame */ |
252 | AV *mainstack; |
222 | AV *mainstack; |
253 | perl_slots *slot; /* basically the saved sp */ |
223 | perl_slots *slot; /* basically the saved sp */ |
254 | |
224 | |
255 | CV *startcv; /* the CV to execute */ |
225 | CV *startcv; /* the CV to execute */ |
256 | AV *args; /* data associated with this coroutine (initial args) */ |
226 | AV *args; /* data associated with this coroutine (initial args) */ |
257 | int refcnt; /* coroutines are refcounted, yes */ |
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258 | int flags; /* CF_ flags */ |
227 | int flags; /* CF_ flags */ |
259 | HV *hv; /* the perl hash associated with this coro, if any */ |
228 | HV *hv; /* the perl hash associated with this coro, if any */ |
260 | void (*on_destroy)(pTHX_ struct coro *coro); |
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261 | |
229 | |
262 | /* statistics */ |
230 | /* statistics */ |
263 | int usecount; /* number of transfers to this coro */ |
231 | int usecount; /* number of transfers to this coro */ |
264 | |
232 | |
265 | /* coro process data */ |
233 | /* coro process data */ |
266 | int prio; |
234 | int prio; |
267 | SV *except; /* exception to be thrown */ |
235 | SV *except; /* exception to be thrown */ |
268 | SV *rouse_cb; |
236 | SV *rouse_cb; /* last rouse callback */ |
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237 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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238 | AV *status; /* the exit status list */ |
269 | |
239 | |
270 | /* async_pool */ |
240 | /* async_pool */ |
271 | SV *saved_deffh; |
241 | SV *saved_deffh; |
272 | SV *invoke_cb; |
242 | SV *invoke_cb; |
273 | AV *invoke_av; |
243 | AV *invoke_av; |
274 | |
244 | |
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245 | /* on_enter/on_leave */ |
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246 | AV *on_enter; |
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247 | AV *on_leave; |
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248 | |
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249 | /* swap_sv */ |
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250 | AV *swap_sv; |
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251 | |
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252 | /* times */ |
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253 | coro_ts t_cpu, t_real; |
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254 | |
275 | /* linked list */ |
255 | /* linked list */ |
276 | struct coro *next, *prev; |
256 | struct coro *next, *prev; |
277 | }; |
257 | }; |
278 | |
258 | |
279 | typedef struct coro *Coro__State; |
259 | typedef struct coro *Coro__State; |
280 | typedef struct coro *Coro__State_or_hashref; |
260 | typedef struct coro *Coro__State_or_hashref; |
281 | |
261 | |
282 | /* the following variables are effectively part of the perl context */ |
262 | /* the following variables are effectively part of the perl context */ |
283 | /* and get copied between struct coro and these variables */ |
263 | /* and get copied between struct coro and these variables */ |
284 | /* the mainr easonw e don't support windows process emulation */ |
264 | /* the main reason we don't support windows process emulation */ |
285 | static struct CoroSLF slf_frame; /* the current slf frame */ |
265 | static struct CoroSLF slf_frame; /* the current slf frame */ |
286 | |
266 | |
287 | /** Coro ********************************************************************/ |
267 | /** Coro ********************************************************************/ |
288 | |
268 | |
289 | #define PRIO_MAX 3 |
269 | #define CORO_PRIO_MAX 3 |
290 | #define PRIO_HIGH 1 |
270 | #define CORO_PRIO_HIGH 1 |
291 | #define PRIO_NORMAL 0 |
271 | #define CORO_PRIO_NORMAL 0 |
292 | #define PRIO_LOW -1 |
272 | #define CORO_PRIO_LOW -1 |
293 | #define PRIO_IDLE -3 |
273 | #define CORO_PRIO_IDLE -3 |
294 | #define PRIO_MIN -4 |
274 | #define CORO_PRIO_MIN -4 |
295 | |
275 | |
296 | /* for Coro.pm */ |
276 | /* for Coro.pm */ |
297 | static SV *coro_current; |
277 | static SV *coro_current; |
298 | static SV *coro_readyhook; |
278 | static SV *coro_readyhook; |
299 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
279 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
300 | static CV *cv_coro_run, *cv_coro_terminate; |
280 | static CV *cv_coro_run; |
301 | static struct coro *coro_first; |
281 | static struct coro *coro_first; |
302 | #define coro_nready coroapi.nready |
282 | #define coro_nready coroapi.nready |
303 | |
283 | |
|
|
284 | /** JIT *********************************************************************/ |
|
|
285 | |
|
|
286 | #if CORO_JIT |
|
|
287 | /* APPLE doesn't have mmap though */ |
|
|
288 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
|
|
289 | #ifndef CORO_JIT_TYPE |
|
|
290 | #if ECB_AMD64 && CORO_JIT_UNIXY |
|
|
291 | #define CORO_JIT_TYPE "amd64-unix" |
|
|
292 | #elif __i386 && CORO_JIT_UNIXY |
|
|
293 | #define CORO_JIT_TYPE "x86-unix" |
|
|
294 | #endif |
|
|
295 | #endif |
|
|
296 | #endif |
|
|
297 | |
|
|
298 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
|
|
299 | #undef CORO_JIT |
|
|
300 | #endif |
|
|
301 | |
|
|
302 | #if CORO_JIT |
|
|
303 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
|
|
304 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
|
|
305 | #endif |
|
|
306 | |
|
|
307 | /** Coro::Select ************************************************************/ |
|
|
308 | |
|
|
309 | static OP *(*coro_old_pp_sselect) (pTHX); |
|
|
310 | static SV *coro_select_select; |
|
|
311 | |
|
|
312 | /* horrible hack, but if it works... */ |
|
|
313 | static OP * |
|
|
314 | coro_pp_sselect (pTHX) |
|
|
315 | { |
|
|
316 | dSP; |
|
|
317 | PUSHMARK (SP - 4); /* fake argument list */ |
|
|
318 | XPUSHs (coro_select_select); |
|
|
319 | PUTBACK; |
|
|
320 | |
|
|
321 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
|
|
322 | PL_op->op_flags |= OPf_STACKED; |
|
|
323 | PL_op->op_private = 0; |
|
|
324 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
|
|
325 | } |
|
|
326 | |
|
|
327 | /** time stuff **************************************************************/ |
|
|
328 | |
|
|
329 | #ifdef HAS_GETTIMEOFDAY |
|
|
330 | |
|
|
331 | ecb_inline void |
|
|
332 | coro_u2time (pTHX_ UV ret[2]) |
|
|
333 | { |
|
|
334 | struct timeval tv; |
|
|
335 | gettimeofday (&tv, 0); |
|
|
336 | |
|
|
337 | ret [0] = tv.tv_sec; |
|
|
338 | ret [1] = tv.tv_usec; |
|
|
339 | } |
|
|
340 | |
|
|
341 | ecb_inline double |
|
|
342 | coro_nvtime (void) |
|
|
343 | { |
|
|
344 | struct timeval tv; |
|
|
345 | gettimeofday (&tv, 0); |
|
|
346 | |
|
|
347 | return tv.tv_sec + tv.tv_usec * 1e-6; |
|
|
348 | } |
|
|
349 | |
|
|
350 | ecb_inline void |
|
|
351 | time_init (pTHX) |
|
|
352 | { |
|
|
353 | nvtime = coro_nvtime; |
|
|
354 | u2time = coro_u2time; |
|
|
355 | } |
|
|
356 | |
|
|
357 | #else |
|
|
358 | |
|
|
359 | ecb_inline void |
|
|
360 | time_init (pTHX) |
|
|
361 | { |
|
|
362 | SV **svp; |
|
|
363 | |
|
|
364 | require_pv ("Time/HiRes.pm"); |
|
|
365 | |
|
|
366 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
367 | |
|
|
368 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
|
|
369 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
|
|
370 | |
|
|
371 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
372 | |
|
|
373 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
374 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
375 | } |
|
|
376 | |
|
|
377 | #endif |
|
|
378 | |
304 | /** lowlevel stuff **********************************************************/ |
379 | /** lowlevel stuff **********************************************************/ |
305 | |
380 | |
306 | static SV * |
381 | static SV * ecb_noinline |
307 | coro_get_sv (pTHX_ const char *name, int create) |
382 | coro_get_sv (pTHX_ const char *name, int create) |
308 | { |
383 | { |
309 | #if PERL_VERSION_ATLEAST (5,10,0) |
384 | #if PERL_VERSION_ATLEAST (5,10,0) |
310 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
385 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
311 | get_sv (name, create); |
386 | get_sv (name, create); |
312 | #endif |
387 | #endif |
313 | return get_sv (name, create); |
388 | return get_sv (name, create); |
314 | } |
389 | } |
315 | |
390 | |
316 | static AV * |
391 | static AV * ecb_noinline |
317 | coro_get_av (pTHX_ const char *name, int create) |
392 | coro_get_av (pTHX_ const char *name, int create) |
318 | { |
393 | { |
319 | #if PERL_VERSION_ATLEAST (5,10,0) |
394 | #if PERL_VERSION_ATLEAST (5,10,0) |
320 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
395 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
321 | get_av (name, create); |
396 | get_av (name, create); |
322 | #endif |
397 | #endif |
323 | return get_av (name, create); |
398 | return get_av (name, create); |
324 | } |
399 | } |
325 | |
400 | |
326 | static HV * |
401 | static HV * ecb_noinline |
327 | coro_get_hv (pTHX_ const char *name, int create) |
402 | coro_get_hv (pTHX_ const char *name, int create) |
328 | { |
403 | { |
329 | #if PERL_VERSION_ATLEAST (5,10,0) |
404 | #if PERL_VERSION_ATLEAST (5,10,0) |
330 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
405 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
331 | get_hv (name, create); |
406 | get_hv (name, create); |
332 | #endif |
407 | #endif |
333 | return get_hv (name, create); |
408 | return get_hv (name, create); |
334 | } |
409 | } |
335 | |
410 | |
336 | /* may croak */ |
411 | ecb_inline void |
337 | INLINE CV * |
412 | coro_times_update (void) |
338 | coro_sv_2cv (pTHX_ SV *sv) |
|
|
339 | { |
413 | { |
340 | HV *st; |
414 | #ifdef coro_clock_gettime |
341 | GV *gvp; |
415 | struct timespec ts; |
342 | return sv_2cv (sv, &st, &gvp, 0); |
|
|
343 | } |
|
|
344 | |
416 | |
345 | static AV * |
417 | ts.tv_sec = ts.tv_nsec = 0; |
|
|
418 | coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts); |
|
|
419 | time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec; |
|
|
420 | |
|
|
421 | ts.tv_sec = ts.tv_nsec = 0; |
|
|
422 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
|
|
423 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
|
|
424 | #else |
|
|
425 | dTHX; |
|
|
426 | UV tv[2]; |
|
|
427 | |
|
|
428 | u2time (aTHX_ tv); |
|
|
429 | time_real [0] = tv [0]; |
|
|
430 | time_real [1] = tv [1] * 1000; |
|
|
431 | #endif |
|
|
432 | } |
|
|
433 | |
|
|
434 | ecb_inline void |
|
|
435 | coro_times_add (struct coro *c) |
|
|
436 | { |
|
|
437 | c->t_real [1] += time_real [1]; |
|
|
438 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
|
|
439 | c->t_real [0] += time_real [0]; |
|
|
440 | |
|
|
441 | c->t_cpu [1] += time_cpu [1]; |
|
|
442 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
|
|
443 | c->t_cpu [0] += time_cpu [0]; |
|
|
444 | } |
|
|
445 | |
|
|
446 | ecb_inline void |
|
|
447 | coro_times_sub (struct coro *c) |
|
|
448 | { |
|
|
449 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
|
|
450 | c->t_real [1] -= time_real [1]; |
|
|
451 | c->t_real [0] -= time_real [0]; |
|
|
452 | |
|
|
453 | if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; } |
|
|
454 | c->t_cpu [1] -= time_cpu [1]; |
|
|
455 | c->t_cpu [0] -= time_cpu [0]; |
|
|
456 | } |
|
|
457 | |
|
|
458 | /*****************************************************************************/ |
|
|
459 | /* magic glue */ |
|
|
460 | |
|
|
461 | #define CORO_MAGIC_type_cv 26 |
|
|
462 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
463 | |
|
|
464 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
465 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
466 | ? SvMAGIC (sv) \ |
|
|
467 | : mg_find (sv, type)) |
|
|
468 | |
|
|
469 | #define CORO_MAGIC(sv, type) \ |
|
|
470 | (ecb_expect_true (SvMAGIC (sv)) \ |
|
|
471 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
472 | : 0) |
|
|
473 | |
|
|
474 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
475 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
476 | |
|
|
477 | ecb_inline MAGIC * |
|
|
478 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
479 | { |
|
|
480 | MAGIC *mg; |
|
|
481 | |
|
|
482 | if (ecb_expect_true ( |
|
|
483 | SvTYPE (coro) == SVt_PVHV |
|
|
484 | && (mg = CORO_MAGIC_state (coro)) |
|
|
485 | && mg->mg_virtual == &coro_state_vtbl |
|
|
486 | )) |
|
|
487 | return mg; |
|
|
488 | |
|
|
489 | return 0; |
|
|
490 | } |
|
|
491 | |
|
|
492 | ecb_inline struct coro * |
|
|
493 | SvSTATE_ (pTHX_ SV *coro) |
|
|
494 | { |
|
|
495 | MAGIC *mg; |
|
|
496 | |
|
|
497 | if (SvROK (coro)) |
|
|
498 | coro = SvRV (coro); |
|
|
499 | |
|
|
500 | mg = SvSTATEhv_p (aTHX_ coro); |
|
|
501 | if (!mg) |
|
|
502 | croak ("Coro::State object required"); |
|
|
503 | |
|
|
504 | return (struct coro *)mg->mg_ptr; |
|
|
505 | } |
|
|
506 | |
|
|
507 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
508 | |
|
|
509 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
510 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
511 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
512 | |
|
|
513 | /*****************************************************************************/ |
|
|
514 | /* padlist management and caching */ |
|
|
515 | |
|
|
516 | ecb_inline PADLIST * |
346 | coro_clone_padlist (pTHX_ CV *cv) |
517 | coro_derive_padlist (pTHX_ CV *cv) |
347 | { |
518 | { |
348 | AV *padlist = CvPADLIST (cv); |
519 | PADLIST *padlist = CvPADLIST (cv); |
349 | AV *newpadlist, *newpad; |
520 | PADLIST *newpadlist; |
|
|
521 | PAD *newpad; |
|
|
522 | PADOFFSET off = PadlistMAX (padlist) + 1; |
350 | |
523 | |
351 | newpadlist = newAV (); |
524 | #if NEWPADAPI |
|
|
525 | |
|
|
526 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
527 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
528 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
529 | --off; |
|
|
530 | |
|
|
531 | Perl_pad_push (aTHX_ padlist, off); |
|
|
532 | |
|
|
533 | newpad = PadlistARRAY (padlist)[off]; |
|
|
534 | PadlistARRAY (padlist)[off] = 0; |
|
|
535 | |
|
|
536 | #else |
|
|
537 | |
|
|
538 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
539 | Perl_pad_push (aTHX_ padlist, off); |
|
|
540 | #else |
|
|
541 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
542 | #endif |
|
|
543 | |
|
|
544 | newpad = PadlistARRAY (padlist)[off]; |
|
|
545 | PadlistMAX (padlist) = off - 1; |
|
|
546 | |
|
|
547 | #endif |
|
|
548 | |
|
|
549 | newPADLIST (newpadlist); |
|
|
550 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
551 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
352 | AvREAL_off (newpadlist); |
552 | AvREAL_off (newpadlist); |
353 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
354 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
355 | #else |
|
|
356 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
357 | #endif |
553 | #endif |
358 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
359 | --AvFILLp (padlist); |
|
|
360 | |
554 | |
361 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
555 | /* Already extended to 2 elements by newPADLIST. */ |
362 | av_store (newpadlist, 1, (SV *)newpad); |
556 | PadlistMAX (newpadlist) = 1; |
|
|
557 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
|
|
558 | PadlistARRAY (newpadlist)[1] = newpad; |
363 | |
559 | |
364 | return newpadlist; |
560 | return newpadlist; |
365 | } |
561 | } |
366 | |
562 | |
367 | static void |
563 | ecb_inline void |
368 | free_padlist (pTHX_ AV *padlist) |
564 | free_padlist (pTHX_ PADLIST *padlist) |
369 | { |
565 | { |
370 | /* may be during global destruction */ |
566 | /* may be during global destruction */ |
371 | if (SvREFCNT (padlist)) |
567 | if (!IN_DESTRUCT) |
372 | { |
568 | { |
373 | I32 i = AvFILLp (padlist); |
569 | I32 i = PadlistMAX (padlist); |
374 | while (i >= 0) |
570 | |
|
|
571 | while (i > 0) /* special-case index 0 */ |
375 | { |
572 | { |
376 | SV **svp = av_fetch (padlist, i--, FALSE); |
573 | /* we try to be extra-careful here */ |
|
|
574 | PAD *pad = PadlistARRAY (padlist)[i--]; |
|
|
575 | |
377 | if (svp) |
576 | if (pad) |
378 | { |
577 | { |
379 | SV *sv; |
578 | I32 j = PadMAX (pad); |
380 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
579 | |
|
|
580 | while (j >= 0) |
381 | SvREFCNT_dec (sv); |
581 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
382 | |
582 | |
|
|
583 | PadMAX (pad) = -1; |
383 | SvREFCNT_dec (*svp); |
584 | SvREFCNT_dec (pad); |
384 | } |
585 | } |
385 | } |
586 | } |
386 | |
587 | |
|
|
588 | SvREFCNT_dec (PadlistNAMES (padlist)); |
|
|
589 | |
|
|
590 | #if NEWPADAPI |
|
|
591 | Safefree (PadlistARRAY (padlist)); |
|
|
592 | Safefree (padlist); |
|
|
593 | #else |
|
|
594 | AvFILLp (padlist) = -1; |
|
|
595 | AvREAL_off (padlist); |
387 | SvREFCNT_dec ((SV*)padlist); |
596 | SvREFCNT_dec ((SV*)padlist); |
|
|
597 | #endif |
388 | } |
598 | } |
389 | } |
599 | } |
390 | |
600 | |
391 | static int |
601 | static int |
392 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
602 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
393 | { |
603 | { |
394 | AV *padlist; |
604 | PADLIST *padlist; |
395 | AV *av = (AV *)mg->mg_obj; |
605 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
606 | size_t len = *(size_t *)mg->mg_ptr; |
396 | |
607 | |
397 | /* casting is fun. */ |
608 | /* perl manages to free our internal AV and _then_ call us */ |
398 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
609 | if (IN_DESTRUCT) |
|
|
610 | return 0; |
|
|
611 | |
|
|
612 | while (len--) |
399 | free_padlist (aTHX_ padlist); |
613 | free_padlist (aTHX_ padlists[len]); |
400 | |
|
|
401 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
402 | |
614 | |
403 | return 0; |
615 | return 0; |
404 | } |
616 | } |
405 | |
|
|
406 | #define CORO_MAGIC_type_cv 26 |
|
|
407 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
408 | |
617 | |
409 | static MGVTBL coro_cv_vtbl = { |
618 | static MGVTBL coro_cv_vtbl = { |
410 | 0, 0, 0, 0, |
619 | 0, 0, 0, 0, |
411 | coro_cv_free |
620 | coro_cv_free |
412 | }; |
621 | }; |
413 | |
622 | |
414 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
415 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
416 | ? SvMAGIC (sv) \ |
|
|
417 | : mg_find (sv, type)) |
|
|
418 | |
|
|
419 | #define CORO_MAGIC(sv, type) \ |
|
|
420 | (expect_true (SvMAGIC (sv)) \ |
|
|
421 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
422 | : 0) |
|
|
423 | |
|
|
424 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
425 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
426 | |
|
|
427 | INLINE struct coro * |
|
|
428 | SvSTATE_ (pTHX_ SV *coro) |
|
|
429 | { |
|
|
430 | HV *stash; |
|
|
431 | MAGIC *mg; |
|
|
432 | |
|
|
433 | if (SvROK (coro)) |
|
|
434 | coro = SvRV (coro); |
|
|
435 | |
|
|
436 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
437 | croak ("Coro::State object required"); |
|
|
438 | |
|
|
439 | stash = SvSTASH (coro); |
|
|
440 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
441 | { |
|
|
442 | /* very slow, but rare, check */ |
|
|
443 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
444 | croak ("Coro::State object required"); |
|
|
445 | } |
|
|
446 | |
|
|
447 | mg = CORO_MAGIC_state (coro); |
|
|
448 | return (struct coro *)mg->mg_ptr; |
|
|
449 | } |
|
|
450 | |
|
|
451 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
452 | |
|
|
453 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
454 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
455 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
456 | |
|
|
457 | /* the next two functions merely cache the padlists */ |
623 | /* the next two functions merely cache the padlists */ |
458 | static void |
624 | ecb_inline void |
459 | get_padlist (pTHX_ CV *cv) |
625 | get_padlist (pTHX_ CV *cv) |
460 | { |
626 | { |
461 | MAGIC *mg = CORO_MAGIC_cv (cv); |
627 | MAGIC *mg = CORO_MAGIC_cv (cv); |
462 | AV *av; |
628 | size_t *lenp; |
463 | |
629 | |
464 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
630 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
465 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
631 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
466 | else |
632 | else |
467 | { |
633 | { |
468 | #if CORO_PREFER_PERL_FUNCTIONS |
634 | #if CORO_PREFER_PERL_FUNCTIONS |
469 | /* this is probably cleaner? but also slower! */ |
635 | /* this is probably cleaner? but also slower! */ |
470 | /* in practise, it seems to be less stable */ |
636 | /* in practise, it seems to be less stable */ |
471 | CV *cp = Perl_cv_clone (aTHX_ cv); |
637 | CV *cp = Perl_cv_clone (aTHX_ cv); |
472 | CvPADLIST (cv) = CvPADLIST (cp); |
638 | CvPADLIST (cv) = CvPADLIST (cp); |
473 | CvPADLIST (cp) = 0; |
639 | CvPADLIST (cp) = 0; |
474 | SvREFCNT_dec (cp); |
640 | SvREFCNT_dec (cp); |
475 | #else |
641 | #else |
476 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
642 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
477 | #endif |
643 | #endif |
478 | } |
644 | } |
479 | } |
645 | } |
480 | |
646 | |
481 | static void |
647 | ecb_inline void |
482 | put_padlist (pTHX_ CV *cv) |
648 | put_padlist (pTHX_ CV *cv) |
483 | { |
649 | { |
484 | MAGIC *mg = CORO_MAGIC_cv (cv); |
650 | MAGIC *mg = CORO_MAGIC_cv (cv); |
485 | AV *av; |
|
|
486 | |
651 | |
487 | if (expect_false (!mg)) |
652 | if (ecb_expect_false (!mg)) |
|
|
653 | { |
488 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
654 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
655 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
656 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
657 | } |
|
|
658 | else |
|
|
659 | Renew (mg->mg_ptr, |
|
|
660 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
661 | char); |
489 | |
662 | |
490 | av = (AV *)mg->mg_obj; |
663 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
491 | |
|
|
492 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
493 | av_extend (av, AvMAX (av) + 1); |
|
|
494 | |
|
|
495 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
496 | } |
664 | } |
497 | |
665 | |
498 | /** load & save, init *******************************************************/ |
666 | /** load & save, init *******************************************************/ |
|
|
667 | |
|
|
668 | ecb_inline void |
|
|
669 | swap_sv (SV *a, SV *b) |
|
|
670 | { |
|
|
671 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
672 | SV tmp; |
|
|
673 | |
|
|
674 | /* swap sv_any */ |
|
|
675 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
676 | |
|
|
677 | /* swap sv_flags */ |
|
|
678 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
679 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
680 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
681 | |
|
|
682 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
683 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
684 | * is much faster, so no quarrels here. alternatively, we could |
|
|
685 | * sv_upgrade to avoid this. |
|
|
686 | */ |
|
|
687 | { |
|
|
688 | /* swap sv_u */ |
|
|
689 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
690 | |
|
|
691 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
692 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
693 | */ |
|
|
694 | #define svany_in_head(type) \ |
|
|
695 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
696 | |
|
|
697 | if (svany_in_head (SvTYPE (a))) |
|
|
698 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
699 | |
|
|
700 | if (svany_in_head (SvTYPE (b))) |
|
|
701 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
702 | } |
|
|
703 | #endif |
|
|
704 | } |
|
|
705 | |
|
|
706 | /* swap sv heads, at least logically */ |
|
|
707 | static void |
|
|
708 | swap_svs (pTHX_ Coro__State c) |
|
|
709 | { |
|
|
710 | int i; |
|
|
711 | |
|
|
712 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
|
|
713 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
714 | } |
|
|
715 | |
|
|
716 | #define SWAP_SVS(coro) \ |
|
|
717 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
718 | swap_svs (aTHX_ (coro)) |
|
|
719 | |
|
|
720 | static void |
|
|
721 | on_enterleave_call (pTHX_ SV *cb); |
499 | |
722 | |
500 | static void |
723 | static void |
501 | load_perl (pTHX_ Coro__State c) |
724 | load_perl (pTHX_ Coro__State c) |
502 | { |
725 | { |
503 | perl_slots *slot = c->slot; |
726 | perl_slots *slot = c->slot; |
504 | c->slot = 0; |
727 | c->slot = 0; |
505 | |
728 | |
506 | PL_mainstack = c->mainstack; |
729 | PL_mainstack = c->mainstack; |
507 | |
730 | |
508 | GvSV (PL_defgv) = slot->defsv; |
731 | #if CORO_JIT |
509 | GvAV (PL_defgv) = slot->defav; |
732 | load_perl_slots (slot); |
510 | GvSV (PL_errgv) = slot->errsv; |
733 | #else |
511 | GvSV (irsgv) = slot->irsgv; |
|
|
512 | |
|
|
513 | #define VAR(name,type) PL_ ## name = slot->name; |
734 | #define VARx(name,expr,type) expr = slot->name; |
514 | # include "state.h" |
735 | #include "state.h" |
515 | #undef VAR |
736 | #endif |
516 | |
737 | |
517 | { |
738 | { |
518 | dSP; |
739 | dSP; |
519 | |
740 | |
520 | CV *cv; |
741 | CV *cv; |
521 | |
742 | |
522 | /* now do the ugly restore mess */ |
743 | /* now do the ugly restore mess */ |
523 | while (expect_true (cv = (CV *)POPs)) |
744 | while (ecb_expect_true (cv = (CV *)POPs)) |
524 | { |
745 | { |
525 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
746 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
526 | CvDEPTH (cv) = PTR2IV (POPs); |
747 | CvDEPTH (cv) = PTR2IV (POPs); |
527 | CvPADLIST (cv) = (AV *)POPs; |
748 | CvPADLIST (cv) = (PADLIST *)POPs; |
528 | } |
749 | } |
529 | |
750 | |
530 | PUTBACK; |
751 | PUTBACK; |
531 | } |
752 | } |
532 | |
753 | |
533 | slf_frame = c->slf_frame; |
754 | slf_frame = c->slf_frame; |
534 | CORO_THROW = c->except; |
755 | CORO_THROW = c->except; |
|
|
756 | |
|
|
757 | if (ecb_expect_false (enable_times)) |
|
|
758 | { |
|
|
759 | if (ecb_expect_false (!times_valid)) |
|
|
760 | coro_times_update (); |
|
|
761 | |
|
|
762 | coro_times_sub (c); |
|
|
763 | } |
|
|
764 | |
|
|
765 | if (ecb_expect_false (c->on_enter)) |
|
|
766 | { |
|
|
767 | int i; |
|
|
768 | |
|
|
769 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
770 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
|
|
771 | } |
|
|
772 | |
|
|
773 | SWAP_SVS (c); |
535 | } |
774 | } |
536 | |
775 | |
537 | static void |
776 | static void |
538 | save_perl (pTHX_ Coro__State c) |
777 | save_perl (pTHX_ Coro__State c) |
539 | { |
778 | { |
|
|
779 | SWAP_SVS (c); |
|
|
780 | |
|
|
781 | if (ecb_expect_false (c->on_leave)) |
|
|
782 | { |
|
|
783 | int i; |
|
|
784 | |
|
|
785 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
786 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
787 | } |
|
|
788 | |
|
|
789 | times_valid = 0; |
|
|
790 | |
|
|
791 | if (ecb_expect_false (enable_times)) |
|
|
792 | { |
|
|
793 | coro_times_update (); times_valid = 1; |
|
|
794 | coro_times_add (c); |
|
|
795 | } |
|
|
796 | |
540 | c->except = CORO_THROW; |
797 | c->except = CORO_THROW; |
541 | c->slf_frame = slf_frame; |
798 | c->slf_frame = slf_frame; |
542 | |
799 | |
543 | { |
800 | { |
544 | dSP; |
801 | dSP; |
… | |
… | |
553 | |
810 | |
554 | XPUSHs (Nullsv); |
811 | XPUSHs (Nullsv); |
555 | /* this loop was inspired by pp_caller */ |
812 | /* this loop was inspired by pp_caller */ |
556 | for (;;) |
813 | for (;;) |
557 | { |
814 | { |
558 | while (expect_true (cxix >= 0)) |
815 | while (ecb_expect_true (cxix >= 0)) |
559 | { |
816 | { |
560 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
817 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
561 | |
818 | |
562 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
819 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
563 | { |
820 | { |
564 | CV *cv = cx->blk_sub.cv; |
821 | CV *cv = cx->blk_sub.cv; |
565 | |
822 | |
566 | if (expect_true (CvDEPTH (cv))) |
823 | if (ecb_expect_true (CvDEPTH (cv))) |
567 | { |
824 | { |
568 | EXTEND (SP, 3); |
825 | EXTEND (SP, 3); |
569 | PUSHs ((SV *)CvPADLIST (cv)); |
826 | PUSHs ((SV *)CvPADLIST (cv)); |
570 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
827 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
571 | PUSHs ((SV *)cv); |
828 | PUSHs ((SV *)cv); |
… | |
… | |
574 | get_padlist (aTHX_ cv); |
831 | get_padlist (aTHX_ cv); |
575 | } |
832 | } |
576 | } |
833 | } |
577 | } |
834 | } |
578 | |
835 | |
579 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
836 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
580 | break; |
837 | break; |
581 | |
838 | |
582 | top_si = top_si->si_prev; |
839 | top_si = top_si->si_prev; |
583 | ccstk = top_si->si_cxstack; |
840 | ccstk = top_si->si_cxstack; |
584 | cxix = top_si->si_cxix; |
841 | cxix = top_si->si_cxix; |
… | |
… | |
586 | |
843 | |
587 | PUTBACK; |
844 | PUTBACK; |
588 | } |
845 | } |
589 | |
846 | |
590 | /* allocate some space on the context stack for our purposes */ |
847 | /* allocate some space on the context stack for our purposes */ |
591 | /* we manually unroll here, as usually 2 slots is enough */ |
848 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
592 | if (SLOT_COUNT >= 1) CXINC; |
|
|
593 | if (SLOT_COUNT >= 2) CXINC; |
|
|
594 | if (SLOT_COUNT >= 3) CXINC; |
|
|
595 | { |
849 | { |
596 | int i; |
850 | unsigned int i; |
|
|
851 | |
597 | for (i = 3; i < SLOT_COUNT; ++i) |
852 | for (i = 0; i < SLOT_COUNT; ++i) |
598 | CXINC; |
853 | CXINC; |
599 | } |
854 | |
600 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
855 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
856 | } |
601 | |
857 | |
602 | c->mainstack = PL_mainstack; |
858 | c->mainstack = PL_mainstack; |
603 | |
859 | |
604 | { |
860 | { |
605 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
861 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
606 | |
862 | |
607 | slot->defav = GvAV (PL_defgv); |
863 | #if CORO_JIT |
608 | slot->defsv = DEFSV; |
864 | save_perl_slots (slot); |
609 | slot->errsv = ERRSV; |
865 | #else |
610 | slot->irsgv = GvSV (irsgv); |
|
|
611 | |
|
|
612 | #define VAR(name,type) slot->name = PL_ ## name; |
866 | #define VARx(name,expr,type) slot->name = expr; |
613 | # include "state.h" |
867 | #include "state.h" |
614 | #undef VAR |
868 | #endif |
615 | } |
869 | } |
616 | } |
870 | } |
617 | |
871 | |
618 | /* |
872 | /* |
619 | * allocate various perl stacks. This is almost an exact copy |
873 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
625 | # define coro_init_stacks(thx) init_stacks () |
879 | # define coro_init_stacks(thx) init_stacks () |
626 | #else |
880 | #else |
627 | static void |
881 | static void |
628 | coro_init_stacks (pTHX) |
882 | coro_init_stacks (pTHX) |
629 | { |
883 | { |
630 | PL_curstackinfo = new_stackinfo(32, 8); |
884 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
631 | PL_curstackinfo->si_type = PERLSI_MAIN; |
885 | PL_curstackinfo->si_type = PERLSI_MAIN; |
632 | PL_curstack = PL_curstackinfo->si_stack; |
886 | PL_curstack = PL_curstackinfo->si_stack; |
633 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
887 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
634 | |
888 | |
635 | PL_stack_base = AvARRAY(PL_curstack); |
889 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
650 | #endif |
904 | #endif |
651 | |
905 | |
652 | New(54,PL_scopestack,8,I32); |
906 | New(54,PL_scopestack,8,I32); |
653 | PL_scopestack_ix = 0; |
907 | PL_scopestack_ix = 0; |
654 | PL_scopestack_max = 8; |
908 | PL_scopestack_max = 8; |
|
|
909 | #if HAS_SCOPESTACK_NAME |
|
|
910 | New(54,PL_scopestack_name,8,const char*); |
|
|
911 | #endif |
655 | |
912 | |
656 | New(54,PL_savestack,24,ANY); |
913 | New(54,PL_savestack,24,ANY); |
657 | PL_savestack_ix = 0; |
914 | PL_savestack_ix = 0; |
658 | PL_savestack_max = 24; |
915 | PL_savestack_max = 24; |
659 | |
916 | |
… | |
… | |
687 | } |
944 | } |
688 | |
945 | |
689 | Safefree (PL_tmps_stack); |
946 | Safefree (PL_tmps_stack); |
690 | Safefree (PL_markstack); |
947 | Safefree (PL_markstack); |
691 | Safefree (PL_scopestack); |
948 | Safefree (PL_scopestack); |
|
|
949 | #if HAS_SCOPESTACK_NAME |
|
|
950 | Safefree (PL_scopestack_name); |
|
|
951 | #endif |
692 | Safefree (PL_savestack); |
952 | Safefree (PL_savestack); |
693 | #if !PERL_VERSION_ATLEAST (5,10,0) |
953 | #if !PERL_VERSION_ATLEAST (5,10,0) |
694 | Safefree (PL_retstack); |
954 | Safefree (PL_retstack); |
695 | #endif |
955 | #endif |
696 | } |
956 | } |
… | |
… | |
742 | #endif |
1002 | #endif |
743 | |
1003 | |
744 | /* |
1004 | /* |
745 | * This overrides the default magic get method of %SIG elements. |
1005 | * This overrides the default magic get method of %SIG elements. |
746 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1006 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
747 | * and instead of tryign to save and restore the hash elements, we just provide |
1007 | * and instead of trying to save and restore the hash elements (extremely slow), |
748 | * readback here. |
1008 | * we just provide our own readback here. |
749 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
750 | * not expecting this to actually change the hook. This is a potential problem |
|
|
751 | * when a schedule happens then, but we ignore this. |
|
|
752 | */ |
1009 | */ |
753 | static int |
1010 | static int ecb_cold |
754 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1011 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
755 | { |
1012 | { |
756 | const char *s = MgPV_nolen_const (mg); |
1013 | const char *s = MgPV_nolen_const (mg); |
757 | |
1014 | |
758 | if (*s == '_') |
1015 | if (*s == '_') |
759 | { |
1016 | { |
760 | SV **svp = 0; |
1017 | SV **svp = 0; |
761 | |
1018 | |
762 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1019 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
763 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1020 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
764 | |
1021 | |
765 | if (svp) |
1022 | if (svp) |
766 | { |
1023 | { |
767 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1024 | SV *ssv; |
|
|
1025 | |
|
|
1026 | if (!*svp) |
|
|
1027 | ssv = &PL_sv_undef; |
|
|
1028 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1029 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1030 | else |
|
|
1031 | ssv = *svp; |
|
|
1032 | |
|
|
1033 | sv_setsv (sv, ssv); |
768 | return 0; |
1034 | return 0; |
769 | } |
1035 | } |
770 | } |
1036 | } |
771 | |
1037 | |
772 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1038 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
773 | } |
1039 | } |
774 | |
1040 | |
775 | static int |
1041 | static int ecb_cold |
776 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1042 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
777 | { |
1043 | { |
778 | const char *s = MgPV_nolen_const (mg); |
1044 | const char *s = MgPV_nolen_const (mg); |
779 | |
1045 | |
780 | if (*s == '_') |
1046 | if (*s == '_') |
… | |
… | |
794 | } |
1060 | } |
795 | |
1061 | |
796 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1062 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
797 | } |
1063 | } |
798 | |
1064 | |
799 | static int |
1065 | static int ecb_cold |
800 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1066 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
801 | { |
1067 | { |
802 | const char *s = MgPV_nolen_const (mg); |
1068 | const char *s = MgPV_nolen_const (mg); |
803 | |
1069 | |
804 | if (*s == '_') |
1070 | if (*s == '_') |
… | |
… | |
809 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1075 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
810 | |
1076 | |
811 | if (svp) |
1077 | if (svp) |
812 | { |
1078 | { |
813 | SV *old = *svp; |
1079 | SV *old = *svp; |
814 | *svp = newSVsv (sv); |
1080 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
815 | SvREFCNT_dec (old); |
1081 | SvREFCNT_dec (old); |
816 | return 0; |
1082 | return 0; |
817 | } |
1083 | } |
818 | } |
1084 | } |
819 | |
1085 | |
… | |
… | |
831 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
1097 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
832 | { |
1098 | { |
833 | return 0; |
1099 | return 0; |
834 | } |
1100 | } |
835 | |
1101 | |
836 | static UNOP coro_setup_op; |
1102 | static int |
|
|
1103 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
|
|
1104 | { |
|
|
1105 | return 1; |
|
|
1106 | } |
837 | |
1107 | |
838 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1108 | static UNOP init_perl_op; |
|
|
1109 | |
|
|
1110 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
839 | coro_setup (pTHX_ struct coro *coro) |
1111 | init_perl (pTHX_ struct coro *coro) |
840 | { |
1112 | { |
841 | /* |
1113 | /* |
842 | * emulate part of the perl startup here. |
1114 | * emulate part of the perl startup here. |
843 | */ |
1115 | */ |
844 | coro_init_stacks (aTHX); |
1116 | coro_init_stacks (aTHX); |
845 | |
1117 | |
846 | PL_runops = RUNOPS_DEFAULT; |
1118 | PL_runops = RUNOPS_DEFAULT; |
847 | PL_curcop = &PL_compiling; |
1119 | PL_curcop = &PL_compiling; |
848 | PL_in_eval = EVAL_NULL; |
1120 | PL_in_eval = EVAL_NULL; |
849 | PL_comppad = 0; |
1121 | PL_comppad = 0; |
|
|
1122 | PL_comppad_name = 0; |
|
|
1123 | PL_comppad_name_fill = 0; |
|
|
1124 | PL_comppad_name_floor = 0; |
850 | PL_curpm = 0; |
1125 | PL_curpm = 0; |
851 | PL_curpad = 0; |
1126 | PL_curpad = 0; |
852 | PL_localizing = 0; |
1127 | PL_localizing = 0; |
853 | PL_dirty = 0; |
|
|
854 | PL_restartop = 0; |
1128 | PL_restartop = 0; |
855 | #if PERL_VERSION_ATLEAST (5,10,0) |
1129 | #if PERL_VERSION_ATLEAST (5,10,0) |
856 | PL_parser = 0; |
1130 | PL_parser = 0; |
857 | #endif |
1131 | #endif |
|
|
1132 | PL_hints = 0; |
858 | |
1133 | |
859 | /* recreate the die/warn hooks */ |
1134 | /* recreate the die/warn hooks */ |
860 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1135 | PL_diehook = SvREFCNT_inc (rv_diehook); |
861 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1136 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
862 | |
1137 | |
863 | GvSV (PL_defgv) = newSV (0); |
1138 | GvSV (PL_defgv) = newSV (0); |
864 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1139 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
865 | GvSV (PL_errgv) = newSV (0); |
1140 | GvSV (PL_errgv) = newSV (0); |
866 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1141 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
1142 | GvHV (PL_hintgv) = 0; |
867 | PL_rs = newSVsv (GvSV (irsgv)); |
1143 | PL_rs = newSVsv (GvSV (irsgv)); |
868 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1144 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
869 | |
1145 | |
870 | { |
1146 | { |
871 | dSP; |
1147 | dSP; |
… | |
… | |
886 | /* this newly created coroutine might be run on an existing cctx which most |
1162 | /* this newly created coroutine might be run on an existing cctx which most |
887 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1163 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
888 | */ |
1164 | */ |
889 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1165 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
890 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1166 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1167 | slf_frame.destroy = 0; |
891 | |
1168 | |
892 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1169 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
893 | coro_setup_op.op_next = PL_op; |
1170 | init_perl_op.op_next = PL_op; |
894 | coro_setup_op.op_type = OP_CUSTOM; |
1171 | init_perl_op.op_type = OP_ENTERSUB; |
895 | coro_setup_op.op_ppaddr = pp_slf; |
1172 | init_perl_op.op_ppaddr = pp_slf; |
896 | /* no flags etc. required, as an init function won't be called */ |
1173 | /* no flags etc. required, as an init function won't be called */ |
897 | |
1174 | |
898 | PL_op = (OP *)&coro_setup_op; |
1175 | PL_op = (OP *)&init_perl_op; |
899 | |
1176 | |
900 | /* copy throw, in case it was set before coro_setup */ |
1177 | /* copy throw, in case it was set before init_perl */ |
901 | CORO_THROW = coro->except; |
1178 | CORO_THROW = coro->except; |
902 | } |
|
|
903 | |
1179 | |
|
|
1180 | SWAP_SVS (coro); |
|
|
1181 | |
|
|
1182 | if (ecb_expect_false (enable_times)) |
|
|
1183 | { |
|
|
1184 | coro_times_update (); |
|
|
1185 | coro_times_sub (coro); |
|
|
1186 | } |
|
|
1187 | } |
|
|
1188 | |
904 | static void |
1189 | static void |
905 | coro_destruct (pTHX_ struct coro *coro) |
1190 | coro_unwind_stacks (pTHX) |
906 | { |
1191 | { |
907 | if (!IN_DESTRUCT) |
1192 | if (!IN_DESTRUCT) |
908 | { |
1193 | { |
909 | /* restore all saved variables and stuff */ |
1194 | /* restore all saved variables and stuff */ |
910 | LEAVE_SCOPE (0); |
1195 | LEAVE_SCOPE (0); |
… | |
… | |
918 | POPSTACK_TO (PL_mainstack); |
1203 | POPSTACK_TO (PL_mainstack); |
919 | |
1204 | |
920 | /* unwind main stack */ |
1205 | /* unwind main stack */ |
921 | dounwind (-1); |
1206 | dounwind (-1); |
922 | } |
1207 | } |
|
|
1208 | } |
923 | |
1209 | |
924 | SvREFCNT_dec (GvSV (PL_defgv)); |
1210 | static void |
925 | SvREFCNT_dec (GvAV (PL_defgv)); |
1211 | destroy_perl (pTHX_ struct coro *coro) |
926 | SvREFCNT_dec (GvSV (PL_errgv)); |
1212 | { |
927 | SvREFCNT_dec (PL_defoutgv); |
1213 | SV *svf [9]; |
928 | SvREFCNT_dec (PL_rs); |
|
|
929 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
930 | |
1214 | |
931 | SvREFCNT_dec (PL_diehook); |
|
|
932 | SvREFCNT_dec (PL_warnhook); |
|
|
933 | |
1215 | { |
|
|
1216 | SV *old_current = SvRV (coro_current); |
|
|
1217 | struct coro *current = SvSTATE (old_current); |
|
|
1218 | |
|
|
1219 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1220 | |
|
|
1221 | save_perl (aTHX_ current); |
|
|
1222 | |
|
|
1223 | /* this will cause transfer_check to croak on block*/ |
|
|
1224 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1225 | |
|
|
1226 | load_perl (aTHX_ coro); |
|
|
1227 | |
|
|
1228 | coro_unwind_stacks (aTHX); |
|
|
1229 | |
|
|
1230 | /* restore swapped sv's */ |
|
|
1231 | SWAP_SVS (coro); |
|
|
1232 | |
|
|
1233 | coro_destruct_stacks (aTHX); |
|
|
1234 | |
|
|
1235 | /* now save some sv's to be free'd later */ |
|
|
1236 | svf [0] = GvSV (PL_defgv); |
|
|
1237 | svf [1] = (SV *)GvAV (PL_defgv); |
|
|
1238 | svf [2] = GvSV (PL_errgv); |
|
|
1239 | svf [3] = (SV *)PL_defoutgv; |
|
|
1240 | svf [4] = PL_rs; |
|
|
1241 | svf [5] = GvSV (irsgv); |
|
|
1242 | svf [6] = (SV *)GvHV (PL_hintgv); |
|
|
1243 | svf [7] = PL_diehook; |
|
|
1244 | svf [8] = PL_warnhook; |
|
|
1245 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1246 | |
|
|
1247 | SvRV_set (coro_current, old_current); |
|
|
1248 | |
|
|
1249 | load_perl (aTHX_ current); |
|
|
1250 | } |
|
|
1251 | |
|
|
1252 | { |
|
|
1253 | unsigned int i; |
|
|
1254 | |
|
|
1255 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
|
|
1256 | SvREFCNT_dec (svf [i]); |
|
|
1257 | |
934 | SvREFCNT_dec (coro->saved_deffh); |
1258 | SvREFCNT_dec (coro->saved_deffh); |
935 | SvREFCNT_dec (coro->rouse_cb); |
1259 | SvREFCNT_dec (coro->rouse_cb); |
936 | SvREFCNT_dec (coro->invoke_cb); |
1260 | SvREFCNT_dec (coro->invoke_cb); |
937 | SvREFCNT_dec (coro->invoke_av); |
1261 | SvREFCNT_dec (coro->invoke_av); |
938 | |
1262 | } |
939 | coro_destruct_stacks (aTHX); |
|
|
940 | } |
1263 | } |
941 | |
1264 | |
942 | INLINE void |
1265 | ecb_inline void |
943 | free_coro_mortal (pTHX) |
1266 | free_coro_mortal (pTHX) |
944 | { |
1267 | { |
945 | if (expect_true (coro_mortal)) |
1268 | if (ecb_expect_true (coro_mortal)) |
946 | { |
1269 | { |
947 | SvREFCNT_dec (coro_mortal); |
1270 | SvREFCNT_dec ((SV *)coro_mortal); |
948 | coro_mortal = 0; |
1271 | coro_mortal = 0; |
949 | } |
1272 | } |
950 | } |
1273 | } |
951 | |
1274 | |
952 | static int |
1275 | static int |
953 | runops_trace (pTHX) |
1276 | runops_trace (pTHX) |
954 | { |
1277 | { |
955 | COP *oldcop = 0; |
1278 | COP *oldcop = 0; |
956 | int oldcxix = -2; |
1279 | int oldcxix = -2; |
957 | struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */ |
|
|
958 | coro_cctx *cctx = coro->cctx; |
|
|
959 | |
1280 | |
960 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
1281 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
961 | { |
1282 | { |
962 | PERL_ASYNC_CHECK (); |
1283 | PERL_ASYNC_CHECK (); |
963 | |
1284 | |
964 | if (cctx->flags & CC_TRACE_ALL) |
1285 | if (cctx_current->flags & CC_TRACE_ALL) |
965 | { |
1286 | { |
966 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
1287 | if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB) |
967 | { |
1288 | { |
968 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1289 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
969 | SV **bot, **top; |
1290 | SV **bot, **top; |
970 | AV *av = newAV (); /* return values */ |
1291 | AV *av = newAV (); /* return values */ |
971 | SV **cb; |
1292 | SV **cb; |
… | |
… | |
1008 | |
1329 | |
1009 | if (PL_curcop != &PL_compiling) |
1330 | if (PL_curcop != &PL_compiling) |
1010 | { |
1331 | { |
1011 | SV **cb; |
1332 | SV **cb; |
1012 | |
1333 | |
1013 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
1334 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1014 | { |
1335 | { |
1015 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1336 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1016 | |
1337 | |
1017 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1338 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1018 | { |
1339 | { |
1019 | runops_proc_t old_runops = PL_runops; |
|
|
1020 | dSP; |
1340 | dSP; |
1021 | GV *gv = CvGV (cx->blk_sub.cv); |
1341 | GV *gv = CvGV (cx->blk_sub.cv); |
1022 | SV *fullname = sv_2mortal (newSV (0)); |
1342 | SV *fullname = sv_2mortal (newSV (0)); |
1023 | |
1343 | |
1024 | if (isGV (gv)) |
1344 | if (isGV (gv)) |
… | |
… | |
1042 | } |
1362 | } |
1043 | |
1363 | |
1044 | oldcxix = cxstack_ix; |
1364 | oldcxix = cxstack_ix; |
1045 | } |
1365 | } |
1046 | |
1366 | |
1047 | if (cctx->flags & CC_TRACE_LINE) |
1367 | if (cctx_current->flags & CC_TRACE_LINE) |
1048 | { |
1368 | { |
1049 | dSP; |
1369 | dSP; |
1050 | |
1370 | |
1051 | PL_runops = RUNOPS_DEFAULT; |
1371 | PL_runops = RUNOPS_DEFAULT; |
1052 | ENTER; |
1372 | ENTER; |
… | |
… | |
1071 | |
1391 | |
1072 | TAINT_NOT; |
1392 | TAINT_NOT; |
1073 | return 0; |
1393 | return 0; |
1074 | } |
1394 | } |
1075 | |
1395 | |
1076 | static struct coro_cctx *cctx_ssl_cctx; |
|
|
1077 | static struct CoroSLF cctx_ssl_frame; |
1396 | static struct CoroSLF cctx_ssl_frame; |
1078 | |
1397 | |
1079 | static void |
1398 | static void |
1080 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1399 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1081 | { |
1400 | { |
1082 | ta->prev = (struct coro *)cctx_ssl_cctx; |
|
|
1083 | ta->next = 0; |
1401 | ta->prev = 0; |
1084 | } |
1402 | } |
1085 | |
1403 | |
1086 | static int |
1404 | static int |
1087 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1405 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1088 | { |
1406 | { |
… | |
… | |
1090 | |
1408 | |
1091 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1409 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1092 | } |
1410 | } |
1093 | |
1411 | |
1094 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1412 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1095 | static void NOINLINE |
1413 | static void ecb_noinline |
1096 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1414 | cctx_prepare (pTHX) |
1097 | { |
1415 | { |
1098 | PL_top_env = &PL_start_env; |
1416 | PL_top_env = &PL_start_env; |
1099 | |
1417 | |
1100 | if (cctx->flags & CC_TRACE) |
1418 | if (cctx_current->flags & CC_TRACE) |
1101 | PL_runops = runops_trace; |
1419 | PL_runops = runops_trace; |
1102 | |
1420 | |
1103 | /* we already must be executing an SLF op, there is no other valid way |
1421 | /* we already must be executing an SLF op, there is no other valid way |
1104 | * that can lead to creation of a new cctx */ |
1422 | * that can lead to creation of a new cctx */ |
1105 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1423 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1106 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1424 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1107 | |
1425 | |
1108 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1426 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1109 | cctx_ssl_cctx = cctx; |
|
|
1110 | cctx_ssl_frame = slf_frame; |
1427 | cctx_ssl_frame = slf_frame; |
1111 | |
1428 | |
1112 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1429 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1113 | slf_frame.check = slf_check_set_stacklevel; |
1430 | slf_frame.check = slf_check_set_stacklevel; |
1114 | } |
1431 | } |
1115 | |
1432 | |
1116 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1433 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1117 | INLINE void |
1434 | ecb_inline void |
1118 | transfer_tail (pTHX) |
1435 | transfer_tail (pTHX) |
1119 | { |
1436 | { |
1120 | free_coro_mortal (aTHX); |
1437 | free_coro_mortal (aTHX); |
|
|
1438 | } |
|
|
1439 | |
|
|
1440 | /* try to exit the same way perl's main function would do */ |
|
|
1441 | /* we do not bother resetting the environment or other things *7 |
|
|
1442 | /* that are not, uhm, essential */ |
|
|
1443 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1444 | static void ecb_noinline ecb_cold |
|
|
1445 | perlish_exit (pTHX) |
|
|
1446 | { |
|
|
1447 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1448 | perl_free (PL_curinterp); |
|
|
1449 | exit (exitstatus); |
1121 | } |
1450 | } |
1122 | |
1451 | |
1123 | /* |
1452 | /* |
1124 | * this is a _very_ stripped down perl interpreter ;) |
1453 | * this is a _very_ stripped down perl interpreter ;) |
1125 | */ |
1454 | */ |
… | |
… | |
1137 | /* normally we would need to skip the entersub here */ |
1466 | /* normally we would need to skip the entersub here */ |
1138 | /* not doing so will re-execute it, which is exactly what we want */ |
1467 | /* not doing so will re-execute it, which is exactly what we want */ |
1139 | /* PL_nop = PL_nop->op_next */ |
1468 | /* PL_nop = PL_nop->op_next */ |
1140 | |
1469 | |
1141 | /* inject a fake subroutine call to cctx_init */ |
1470 | /* inject a fake subroutine call to cctx_init */ |
1142 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1471 | cctx_prepare (aTHX); |
1143 | |
1472 | |
1144 | /* cctx_run is the alternative tail of transfer() */ |
1473 | /* cctx_run is the alternative tail of transfer() */ |
1145 | transfer_tail (aTHX); |
1474 | transfer_tail (aTHX); |
1146 | |
1475 | |
1147 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1476 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1148 | PL_restartop = PL_op; |
1477 | PL_restartop = PL_op; |
1149 | perl_run (PL_curinterp); |
1478 | perl_run (PL_curinterp); |
1150 | /* |
1479 | /* |
1151 | * Unfortunately, there is no way to get at the return values of the |
1480 | * Unfortunately, there is no way to get at the return values of the |
1152 | * coro body here, as perl_run destroys these |
1481 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1482 | * runtime errors here, as this is just a random interpreter, not a thread. |
1153 | */ |
1483 | */ |
1154 | |
1484 | |
1155 | /* |
1485 | /* |
1156 | * If perl-run returns we assume exit() was being called or the coro |
1486 | * If perl-run returns we assume exit() was being called or the coro |
1157 | * fell off the end, which seems to be the only valid (non-bug) |
1487 | * fell off the end, which seems to be the only valid (non-bug) |
1158 | * reason for perl_run to return. We try to exit by jumping to the |
1488 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1159 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1489 | * doing in that case. YMMV. |
1160 | * coroutine as Coro has no such concept |
|
|
1161 | */ |
1490 | */ |
1162 | PL_top_env = main_top_env; |
1491 | perlish_exit (aTHX); |
1163 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1164 | } |
1492 | } |
1165 | } |
1493 | } |
1166 | |
1494 | |
1167 | static coro_cctx * |
1495 | static coro_cctx * |
1168 | cctx_new () |
1496 | cctx_new (void) |
1169 | { |
1497 | { |
1170 | coro_cctx *cctx; |
1498 | coro_cctx *cctx; |
1171 | |
1499 | |
1172 | ++cctx_count; |
1500 | ++cctx_count; |
1173 | New (0, cctx, 1, coro_cctx); |
1501 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1179 | return cctx; |
1507 | return cctx; |
1180 | } |
1508 | } |
1181 | |
1509 | |
1182 | /* create a new cctx only suitable as source */ |
1510 | /* create a new cctx only suitable as source */ |
1183 | static coro_cctx * |
1511 | static coro_cctx * |
1184 | cctx_new_empty () |
1512 | cctx_new_empty (void) |
1185 | { |
1513 | { |
1186 | coro_cctx *cctx = cctx_new (); |
1514 | coro_cctx *cctx = cctx_new (); |
1187 | |
1515 | |
1188 | cctx->sptr = 0; |
1516 | cctx->stack.sptr = 0; |
1189 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1517 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1190 | |
1518 | |
1191 | return cctx; |
1519 | return cctx; |
1192 | } |
1520 | } |
1193 | |
1521 | |
1194 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1522 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1195 | static coro_cctx * |
1523 | static coro_cctx * |
1196 | cctx_new_run () |
1524 | cctx_new_run (void) |
1197 | { |
1525 | { |
1198 | coro_cctx *cctx = cctx_new (); |
1526 | coro_cctx *cctx = cctx_new (); |
1199 | void *stack_start; |
|
|
1200 | size_t stack_size; |
|
|
1201 | |
1527 | |
1202 | #if HAVE_MMAP |
1528 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1203 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1204 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1205 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1206 | |
|
|
1207 | if (cctx->sptr != (void *)-1) |
|
|
1208 | { |
|
|
1209 | #if CORO_STACKGUARD |
|
|
1210 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1211 | #endif |
|
|
1212 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1213 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1214 | cctx->flags |= CC_MAPPED; |
|
|
1215 | } |
1529 | { |
1216 | else |
|
|
1217 | #endif |
|
|
1218 | { |
|
|
1219 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1220 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1221 | |
|
|
1222 | if (!cctx->sptr) |
|
|
1223 | { |
|
|
1224 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1530 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1225 | _exit (EXIT_FAILURE); |
1531 | _exit (EXIT_FAILURE); |
1226 | } |
|
|
1227 | |
|
|
1228 | stack_start = cctx->sptr; |
|
|
1229 | stack_size = cctx->ssize; |
|
|
1230 | } |
1532 | } |
1231 | |
1533 | |
1232 | #if CORO_USE_VALGRIND |
|
|
1233 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1234 | #endif |
|
|
1235 | |
|
|
1236 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1534 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1237 | |
1535 | |
1238 | return cctx; |
1536 | return cctx; |
1239 | } |
1537 | } |
1240 | |
1538 | |
1241 | static void |
1539 | static void |
1242 | cctx_destroy (coro_cctx *cctx) |
1540 | cctx_destroy (coro_cctx *cctx) |
1243 | { |
1541 | { |
1244 | if (!cctx) |
1542 | if (!cctx) |
1245 | return; |
1543 | return; |
1246 | |
1544 | |
|
|
1545 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
|
|
1546 | |
1247 | --cctx_count; |
1547 | --cctx_count; |
1248 | coro_destroy (&cctx->cctx); |
1548 | coro_destroy (&cctx->cctx); |
1249 | |
1549 | |
1250 | /* coro_transfer creates new, empty cctx's */ |
1550 | coro_stack_free (&cctx->stack); |
1251 | if (cctx->sptr) |
|
|
1252 | { |
|
|
1253 | #if CORO_USE_VALGRIND |
|
|
1254 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1255 | #endif |
|
|
1256 | |
|
|
1257 | #if HAVE_MMAP |
|
|
1258 | if (cctx->flags & CC_MAPPED) |
|
|
1259 | munmap (cctx->sptr, cctx->ssize); |
|
|
1260 | else |
|
|
1261 | #endif |
|
|
1262 | Safefree (cctx->sptr); |
|
|
1263 | } |
|
|
1264 | |
1551 | |
1265 | Safefree (cctx); |
1552 | Safefree (cctx); |
1266 | } |
1553 | } |
1267 | |
1554 | |
1268 | /* wether this cctx should be destructed */ |
1555 | /* wether this cctx should be destructed */ |
1269 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1556 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1270 | |
1557 | |
1271 | static coro_cctx * |
1558 | static coro_cctx * |
1272 | cctx_get (pTHX) |
1559 | cctx_get (pTHX) |
1273 | { |
1560 | { |
1274 | while (expect_true (cctx_first)) |
1561 | while (ecb_expect_true (cctx_first)) |
1275 | { |
1562 | { |
1276 | coro_cctx *cctx = cctx_first; |
1563 | coro_cctx *cctx = cctx_first; |
1277 | cctx_first = cctx->next; |
1564 | cctx_first = cctx->next; |
1278 | --cctx_idle; |
1565 | --cctx_idle; |
1279 | |
1566 | |
1280 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1567 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1281 | return cctx; |
1568 | return cctx; |
1282 | |
1569 | |
1283 | cctx_destroy (cctx); |
1570 | cctx_destroy (cctx); |
1284 | } |
1571 | } |
1285 | |
1572 | |
… | |
… | |
1287 | } |
1574 | } |
1288 | |
1575 | |
1289 | static void |
1576 | static void |
1290 | cctx_put (coro_cctx *cctx) |
1577 | cctx_put (coro_cctx *cctx) |
1291 | { |
1578 | { |
1292 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1579 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1293 | |
1580 | |
1294 | /* free another cctx if overlimit */ |
1581 | /* free another cctx if overlimit */ |
1295 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1582 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1296 | { |
1583 | { |
1297 | coro_cctx *first = cctx_first; |
1584 | coro_cctx *first = cctx_first; |
1298 | cctx_first = first->next; |
1585 | cctx_first = first->next; |
1299 | --cctx_idle; |
1586 | --cctx_idle; |
1300 | |
1587 | |
… | |
… | |
1311 | static void |
1598 | static void |
1312 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1599 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1313 | { |
1600 | { |
1314 | /* TODO: throwing up here is considered harmful */ |
1601 | /* TODO: throwing up here is considered harmful */ |
1315 | |
1602 | |
1316 | if (expect_true (prev != next)) |
1603 | if (ecb_expect_true (prev != next)) |
1317 | { |
1604 | { |
1318 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1605 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1319 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,"); |
1606 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1320 | |
1607 | |
1321 | if (expect_false (next->flags & CF_RUNNING)) |
1608 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1322 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1323 | |
|
|
1324 | if (expect_false (next->flags & CF_DESTROYED)) |
|
|
1325 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1609 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1326 | |
1610 | |
1327 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1611 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1328 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1612 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1329 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1613 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1330 | #endif |
1614 | #endif |
1331 | } |
1615 | } |
1332 | } |
1616 | } |
1333 | |
1617 | |
1334 | /* always use the TRANSFER macro */ |
1618 | /* always use the TRANSFER macro */ |
1335 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1619 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1336 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1620 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1337 | { |
1621 | { |
1338 | dSTACKLEVEL; |
1622 | dSTACKLEVEL; |
1339 | |
1623 | |
1340 | /* sometimes transfer is only called to set idle_sp */ |
1624 | /* sometimes transfer is only called to set idle_sp */ |
1341 | if (expect_false (!next)) |
1625 | if (ecb_expect_false (!prev)) |
1342 | { |
1626 | { |
1343 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1627 | cctx_current->idle_sp = STACKLEVEL; |
1344 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1628 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1345 | } |
1629 | } |
1346 | else if (expect_true (prev != next)) |
1630 | else if (ecb_expect_true (prev != next)) |
1347 | { |
1631 | { |
1348 | coro_cctx *prev__cctx; |
1632 | coro_cctx *cctx_prev; |
1349 | |
1633 | |
1350 | if (expect_false (prev->flags & CF_NEW)) |
1634 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1351 | { |
1635 | { |
1352 | /* create a new empty/source context */ |
1636 | /* create a new empty/source context */ |
1353 | prev->cctx = cctx_new_empty (); |
|
|
1354 | prev->flags &= ~CF_NEW; |
1637 | prev->flags &= ~CF_NEW; |
1355 | prev->flags |= CF_RUNNING; |
1638 | prev->flags |= CF_RUNNING; |
1356 | } |
1639 | } |
1357 | |
1640 | |
1358 | prev->flags &= ~CF_RUNNING; |
1641 | prev->flags &= ~CF_RUNNING; |
1359 | next->flags |= CF_RUNNING; |
1642 | next->flags |= CF_RUNNING; |
1360 | |
1643 | |
1361 | /* first get rid of the old state */ |
1644 | /* first get rid of the old state */ |
1362 | save_perl (aTHX_ prev); |
1645 | save_perl (aTHX_ prev); |
1363 | |
1646 | |
1364 | if (expect_false (next->flags & CF_NEW)) |
1647 | if (ecb_expect_false (next->flags & CF_NEW)) |
1365 | { |
1648 | { |
1366 | /* need to start coroutine */ |
1649 | /* need to start coroutine */ |
1367 | next->flags &= ~CF_NEW; |
1650 | next->flags &= ~CF_NEW; |
1368 | /* setup coroutine call */ |
1651 | /* setup coroutine call */ |
1369 | coro_setup (aTHX_ next); |
1652 | init_perl (aTHX_ next); |
1370 | } |
1653 | } |
1371 | else |
1654 | else |
1372 | load_perl (aTHX_ next); |
1655 | load_perl (aTHX_ next); |
1373 | |
1656 | |
1374 | prev__cctx = prev->cctx; |
|
|
1375 | |
|
|
1376 | /* possibly untie and reuse the cctx */ |
1657 | /* possibly untie and reuse the cctx */ |
1377 | if (expect_true ( |
1658 | if (ecb_expect_true ( |
1378 | prev__cctx->idle_sp == STACKLEVEL |
1659 | cctx_current->idle_sp == STACKLEVEL |
1379 | && !(prev__cctx->flags & CC_TRACE) |
1660 | && !(cctx_current->flags & CC_TRACE) |
1380 | && !force_cctx |
1661 | && !force_cctx |
1381 | )) |
1662 | )) |
1382 | { |
1663 | { |
1383 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1664 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1384 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1665 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1385 | |
1666 | |
1386 | prev->cctx = 0; |
|
|
1387 | |
|
|
1388 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1667 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1389 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1668 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1390 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1669 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1391 | if (!next->cctx) |
1670 | if (ecb_expect_true (!next->cctx)) |
1392 | next->cctx = cctx_get (aTHX); |
1671 | next->cctx = cctx_get (aTHX); |
1393 | |
1672 | |
1394 | cctx_put (prev__cctx); |
1673 | cctx_put (cctx_current); |
1395 | } |
1674 | } |
|
|
1675 | else |
|
|
1676 | prev->cctx = cctx_current; |
1396 | |
1677 | |
1397 | ++next->usecount; |
1678 | ++next->usecount; |
1398 | |
1679 | |
1399 | if (expect_true (!next->cctx)) |
1680 | cctx_prev = cctx_current; |
1400 | next->cctx = cctx_get (aTHX); |
1681 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1401 | |
1682 | |
1402 | if (expect_false (prev__cctx != next->cctx)) |
1683 | next->cctx = 0; |
|
|
1684 | |
|
|
1685 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1403 | { |
1686 | { |
1404 | prev__cctx->top_env = PL_top_env; |
1687 | cctx_prev->top_env = PL_top_env; |
1405 | PL_top_env = next->cctx->top_env; |
1688 | PL_top_env = cctx_current->top_env; |
1406 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1689 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1407 | } |
1690 | } |
1408 | |
1691 | |
1409 | transfer_tail (aTHX); |
1692 | transfer_tail (aTHX); |
1410 | } |
1693 | } |
1411 | } |
1694 | } |
… | |
… | |
1413 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1696 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1414 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1697 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1415 | |
1698 | |
1416 | /** high level stuff ********************************************************/ |
1699 | /** high level stuff ********************************************************/ |
1417 | |
1700 | |
|
|
1701 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1702 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1418 | static int |
1703 | static void |
|
|
1704 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1705 | |
|
|
1706 | static void |
1419 | coro_state_destroy (pTHX_ struct coro *coro) |
1707 | coro_state_destroy (pTHX_ struct coro *coro) |
1420 | { |
1708 | { |
1421 | if (coro->flags & CF_DESTROYED) |
1709 | if (coro->flags & CF_ZOMBIE) |
1422 | return 0; |
1710 | return; |
1423 | |
1711 | |
1424 | if (coro->on_destroy) |
|
|
1425 | coro->on_destroy (aTHX_ coro); |
1712 | slf_destroy (aTHX_ coro); |
1426 | |
1713 | |
1427 | coro->flags |= CF_DESTROYED; |
1714 | coro->flags |= CF_ZOMBIE; |
1428 | |
1715 | |
1429 | if (coro->flags & CF_READY) |
1716 | if (coro->flags & CF_READY) |
1430 | { |
1717 | { |
1431 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1718 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1432 | /* alternative: look through all ready queues and remove the coro */ |
1719 | /* alternative: look through all ready queues and remove the coro */ |
1433 | --coro_nready; |
1720 | --coro_nready; |
1434 | } |
1721 | } |
1435 | else |
1722 | else |
1436 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1723 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1437 | |
1724 | |
1438 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1725 | if (coro->next) coro->next->prev = coro->prev; |
1439 | { |
1726 | if (coro->prev) coro->prev->next = coro->next; |
1440 | struct coro temp; |
1727 | if (coro == coro_first) coro_first = coro->next; |
1441 | |
1728 | |
1442 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
1729 | if (coro->mainstack |
1443 | |
1730 | && coro->mainstack != main_mainstack |
1444 | save_perl (aTHX_ &temp); |
1731 | && coro->slot |
|
|
1732 | && !PL_dirty) |
1445 | load_perl (aTHX_ coro); |
1733 | destroy_perl (aTHX_ coro); |
1446 | |
|
|
1447 | coro_destruct (aTHX_ coro); |
|
|
1448 | |
|
|
1449 | load_perl (aTHX_ &temp); |
|
|
1450 | |
|
|
1451 | coro->slot = 0; |
|
|
1452 | } |
|
|
1453 | |
1734 | |
1454 | cctx_destroy (coro->cctx); |
1735 | cctx_destroy (coro->cctx); |
1455 | SvREFCNT_dec (coro->startcv); |
1736 | SvREFCNT_dec (coro->startcv); |
1456 | SvREFCNT_dec (coro->args); |
1737 | SvREFCNT_dec (coro->args); |
|
|
1738 | SvREFCNT_dec (coro->swap_sv); |
1457 | SvREFCNT_dec (CORO_THROW); |
1739 | SvREFCNT_dec (CORO_THROW); |
1458 | |
1740 | |
1459 | if (coro->next) coro->next->prev = coro->prev; |
1741 | coro_call_on_destroy (aTHX_ coro); |
1460 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1461 | if (coro == coro_first) coro_first = coro->next; |
|
|
1462 | |
1742 | |
1463 | return 1; |
1743 | /* more destruction mayhem in coro_state_free */ |
1464 | } |
1744 | } |
1465 | |
1745 | |
1466 | static int |
1746 | static int |
1467 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1747 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1468 | { |
1748 | { |
1469 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1749 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1470 | mg->mg_ptr = 0; |
1750 | mg->mg_ptr = 0; |
1471 | |
1751 | |
1472 | coro->hv = 0; |
|
|
1473 | |
|
|
1474 | if (--coro->refcnt < 0) |
|
|
1475 | { |
|
|
1476 | coro_state_destroy (aTHX_ coro); |
1752 | coro_state_destroy (aTHX_ coro); |
|
|
1753 | SvREFCNT_dec (coro->on_destroy); |
|
|
1754 | SvREFCNT_dec (coro->status); |
|
|
1755 | |
1477 | Safefree (coro); |
1756 | Safefree (coro); |
1478 | } |
|
|
1479 | |
1757 | |
1480 | return 0; |
1758 | return 0; |
1481 | } |
1759 | } |
1482 | |
1760 | |
1483 | static int |
1761 | static int ecb_cold |
1484 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1762 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1485 | { |
1763 | { |
1486 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1764 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1487 | |
1765 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1488 | ++coro->refcnt; |
1766 | mg->mg_ptr = 0; |
|
|
1767 | mg->mg_virtual = 0; |
1489 | |
1768 | |
1490 | return 0; |
1769 | return 0; |
1491 | } |
1770 | } |
1492 | |
1771 | |
1493 | static MGVTBL coro_state_vtbl = { |
1772 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1516 | |
1795 | |
1517 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1796 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1518 | TRANSFER (ta, 1); |
1797 | TRANSFER (ta, 1); |
1519 | } |
1798 | } |
1520 | |
1799 | |
1521 | /*****************************************************************************/ |
|
|
1522 | /* gensub: simple closure generation utility */ |
|
|
1523 | |
|
|
1524 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1525 | |
|
|
1526 | /* create a closure from XS, returns a code reference */ |
|
|
1527 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1528 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1529 | static SV * |
|
|
1530 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1531 | { |
|
|
1532 | CV *cv = (CV *)newSV (0); |
|
|
1533 | |
|
|
1534 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1535 | |
|
|
1536 | CvANON_on (cv); |
|
|
1537 | CvISXSUB_on (cv); |
|
|
1538 | CvXSUB (cv) = xsub; |
|
|
1539 | GENSUB_ARG = arg; |
|
|
1540 | |
|
|
1541 | return newRV_noinc ((SV *)cv); |
|
|
1542 | } |
|
|
1543 | |
|
|
1544 | /** Coro ********************************************************************/ |
1800 | /** Coro ********************************************************************/ |
1545 | |
1801 | |
1546 | INLINE void |
1802 | ecb_inline void |
1547 | coro_enq (pTHX_ struct coro *coro) |
1803 | coro_enq (pTHX_ struct coro *coro) |
1548 | { |
1804 | { |
1549 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1805 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1550 | } |
|
|
1551 | |
1806 | |
1552 | INLINE SV * |
1807 | SvREFCNT_inc_NN (coro->hv); |
|
|
1808 | |
|
|
1809 | coro->next_ready = 0; |
|
|
1810 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1811 | ready [1] = coro; |
|
|
1812 | } |
|
|
1813 | |
|
|
1814 | ecb_inline struct coro * |
1553 | coro_deq (pTHX) |
1815 | coro_deq (pTHX) |
1554 | { |
1816 | { |
1555 | int prio; |
1817 | int prio; |
1556 | |
1818 | |
1557 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1819 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1558 | if (AvFILLp (coro_ready [prio]) >= 0) |
1820 | { |
1559 | return av_shift (coro_ready [prio]); |
1821 | struct coro **ready = coro_ready [prio]; |
|
|
1822 | |
|
|
1823 | if (ready [0]) |
|
|
1824 | { |
|
|
1825 | struct coro *coro = ready [0]; |
|
|
1826 | ready [0] = coro->next_ready; |
|
|
1827 | return coro; |
|
|
1828 | } |
|
|
1829 | } |
1560 | |
1830 | |
1561 | return 0; |
1831 | return 0; |
|
|
1832 | } |
|
|
1833 | |
|
|
1834 | static void |
|
|
1835 | invoke_sv_ready_hook_helper (void) |
|
|
1836 | { |
|
|
1837 | dTHX; |
|
|
1838 | dSP; |
|
|
1839 | |
|
|
1840 | ENTER; |
|
|
1841 | SAVETMPS; |
|
|
1842 | |
|
|
1843 | PUSHMARK (SP); |
|
|
1844 | PUTBACK; |
|
|
1845 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1846 | |
|
|
1847 | FREETMPS; |
|
|
1848 | LEAVE; |
1562 | } |
1849 | } |
1563 | |
1850 | |
1564 | static int |
1851 | static int |
1565 | api_ready (pTHX_ SV *coro_sv) |
1852 | api_ready (pTHX_ SV *coro_sv) |
1566 | { |
1853 | { |
1567 | struct coro *coro; |
|
|
1568 | SV *sv_hook; |
|
|
1569 | void (*xs_hook)(void); |
|
|
1570 | |
|
|
1571 | if (SvROK (coro_sv)) |
|
|
1572 | coro_sv = SvRV (coro_sv); |
|
|
1573 | |
|
|
1574 | coro = SvSTATE (coro_sv); |
1854 | struct coro *coro = SvSTATE (coro_sv); |
1575 | |
1855 | |
1576 | if (coro->flags & CF_READY) |
1856 | if (coro->flags & CF_READY) |
1577 | return 0; |
1857 | return 0; |
1578 | |
1858 | |
1579 | coro->flags |= CF_READY; |
1859 | coro->flags |= CF_READY; |
1580 | |
1860 | |
1581 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1582 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1583 | |
|
|
1584 | coro_enq (aTHX_ coro); |
1861 | coro_enq (aTHX_ coro); |
1585 | ++coro_nready; |
|
|
1586 | |
1862 | |
1587 | if (sv_hook) |
1863 | if (!coro_nready++) |
1588 | { |
1864 | if (coroapi.readyhook) |
1589 | dSP; |
1865 | coroapi.readyhook (); |
1590 | |
|
|
1591 | ENTER; |
|
|
1592 | SAVETMPS; |
|
|
1593 | |
|
|
1594 | PUSHMARK (SP); |
|
|
1595 | PUTBACK; |
|
|
1596 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1597 | |
|
|
1598 | FREETMPS; |
|
|
1599 | LEAVE; |
|
|
1600 | } |
|
|
1601 | |
|
|
1602 | if (xs_hook) |
|
|
1603 | xs_hook (); |
|
|
1604 | |
1866 | |
1605 | return 1; |
1867 | return 1; |
1606 | } |
1868 | } |
1607 | |
1869 | |
1608 | static int |
1870 | static int |
1609 | api_is_ready (pTHX_ SV *coro_sv) |
1871 | api_is_ready (pTHX_ SV *coro_sv) |
1610 | { |
1872 | { |
1611 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1873 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1612 | } |
1874 | } |
1613 | |
1875 | |
1614 | INLINE void |
1876 | /* expects to own a reference to next->hv */ |
|
|
1877 | ecb_inline void |
1615 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1878 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1616 | { |
1879 | { |
1617 | SV *prev_sv, *next_sv; |
|
|
1618 | |
|
|
1619 | for (;;) |
|
|
1620 | { |
|
|
1621 | next_sv = coro_deq (aTHX); |
|
|
1622 | |
|
|
1623 | /* nothing to schedule: call the idle handler */ |
|
|
1624 | if (expect_false (!next_sv)) |
|
|
1625 | { |
|
|
1626 | dSP; |
|
|
1627 | |
|
|
1628 | ENTER; |
|
|
1629 | SAVETMPS; |
|
|
1630 | |
|
|
1631 | PUSHMARK (SP); |
|
|
1632 | PUTBACK; |
|
|
1633 | call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD); |
|
|
1634 | |
|
|
1635 | FREETMPS; |
|
|
1636 | LEAVE; |
|
|
1637 | continue; |
|
|
1638 | } |
|
|
1639 | |
|
|
1640 | ta->next = SvSTATE_hv (next_sv); |
|
|
1641 | |
|
|
1642 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1643 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
|
|
1644 | { |
|
|
1645 | SvREFCNT_dec (next_sv); |
|
|
1646 | /* coro_nready has already been taken care of by destroy */ |
|
|
1647 | continue; |
|
|
1648 | } |
|
|
1649 | |
|
|
1650 | --coro_nready; |
|
|
1651 | break; |
|
|
1652 | } |
|
|
1653 | |
|
|
1654 | /* free this only after the transfer */ |
|
|
1655 | prev_sv = SvRV (coro_current); |
1880 | SV *prev_sv = SvRV (coro_current); |
|
|
1881 | |
1656 | ta->prev = SvSTATE_hv (prev_sv); |
1882 | ta->prev = SvSTATE_hv (prev_sv); |
|
|
1883 | ta->next = next; |
|
|
1884 | |
1657 | TRANSFER_CHECK (*ta); |
1885 | TRANSFER_CHECK (*ta); |
1658 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
1886 | |
1659 | ta->next->flags &= ~CF_READY; |
|
|
1660 | SvRV_set (coro_current, next_sv); |
1887 | SvRV_set (coro_current, (SV *)next->hv); |
1661 | |
1888 | |
1662 | free_coro_mortal (aTHX); |
1889 | free_coro_mortal (aTHX); |
1663 | coro_mortal = prev_sv; |
1890 | coro_mortal = prev_sv; |
1664 | } |
1891 | } |
1665 | |
1892 | |
1666 | INLINE void |
1893 | static void |
|
|
1894 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
|
|
1895 | { |
|
|
1896 | for (;;) |
|
|
1897 | { |
|
|
1898 | struct coro *next = coro_deq (aTHX); |
|
|
1899 | |
|
|
1900 | if (ecb_expect_true (next)) |
|
|
1901 | { |
|
|
1902 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1903 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
|
|
1904 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
|
|
1905 | else |
|
|
1906 | { |
|
|
1907 | next->flags &= ~CF_READY; |
|
|
1908 | --coro_nready; |
|
|
1909 | |
|
|
1910 | prepare_schedule_to (aTHX_ ta, next); |
|
|
1911 | break; |
|
|
1912 | } |
|
|
1913 | } |
|
|
1914 | else |
|
|
1915 | { |
|
|
1916 | /* nothing to schedule: call the idle handler */ |
|
|
1917 | if (SvROK (sv_idle) |
|
|
1918 | && SvOBJECT (SvRV (sv_idle))) |
|
|
1919 | { |
|
|
1920 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1921 | { |
|
|
1922 | require_pv ("Carp"); |
|
|
1923 | |
|
|
1924 | { |
|
|
1925 | dSP; |
|
|
1926 | |
|
|
1927 | ENTER; |
|
|
1928 | SAVETMPS; |
|
|
1929 | |
|
|
1930 | PUSHMARK (SP); |
|
|
1931 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
1932 | PUTBACK; |
|
|
1933 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
1934 | |
|
|
1935 | FREETMPS; |
|
|
1936 | LEAVE; |
|
|
1937 | } |
|
|
1938 | } |
|
|
1939 | |
|
|
1940 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
|
|
1941 | api_ready (aTHX_ SvRV (sv_idle)); |
|
|
1942 | --coro_nready; |
|
|
1943 | } |
|
|
1944 | else |
|
|
1945 | { |
|
|
1946 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
|
|
1947 | dSP; |
|
|
1948 | |
|
|
1949 | ENTER; |
|
|
1950 | SAVETMPS; |
|
|
1951 | |
|
|
1952 | PUSHMARK (SP); |
|
|
1953 | PUTBACK; |
|
|
1954 | call_sv (sv_idle, G_VOID | G_DISCARD); |
|
|
1955 | |
|
|
1956 | FREETMPS; |
|
|
1957 | LEAVE; |
|
|
1958 | } |
|
|
1959 | } |
|
|
1960 | } |
|
|
1961 | } |
|
|
1962 | |
|
|
1963 | ecb_inline void |
1667 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1964 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1668 | { |
1965 | { |
1669 | api_ready (aTHX_ coro_current); |
1966 | api_ready (aTHX_ coro_current); |
1670 | prepare_schedule (aTHX_ ta); |
1967 | prepare_schedule (aTHX_ ta); |
1671 | } |
1968 | } |
1672 | |
1969 | |
1673 | INLINE void |
1970 | ecb_inline void |
1674 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1971 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1675 | { |
1972 | { |
1676 | SV *prev = SvRV (coro_current); |
1973 | SV *prev = SvRV (coro_current); |
1677 | |
1974 | |
1678 | if (coro_nready) |
1975 | if (coro_nready) |
… | |
… | |
1691 | |
1988 | |
1692 | prepare_schedule (aTHX_ &ta); |
1989 | prepare_schedule (aTHX_ &ta); |
1693 | TRANSFER (ta, 1); |
1990 | TRANSFER (ta, 1); |
1694 | } |
1991 | } |
1695 | |
1992 | |
|
|
1993 | static void |
|
|
1994 | api_schedule_to (pTHX_ SV *coro_sv) |
|
|
1995 | { |
|
|
1996 | struct coro_transfer_args ta; |
|
|
1997 | struct coro *next = SvSTATE (coro_sv); |
|
|
1998 | |
|
|
1999 | SvREFCNT_inc_NN (coro_sv); |
|
|
2000 | prepare_schedule_to (aTHX_ &ta, next); |
|
|
2001 | } |
|
|
2002 | |
1696 | static int |
2003 | static int |
1697 | api_cede (pTHX) |
2004 | api_cede (pTHX) |
1698 | { |
2005 | { |
1699 | struct coro_transfer_args ta; |
2006 | struct coro_transfer_args ta; |
1700 | |
2007 | |
1701 | prepare_cede (aTHX_ &ta); |
2008 | prepare_cede (aTHX_ &ta); |
1702 | |
2009 | |
1703 | if (expect_true (ta.prev != ta.next)) |
2010 | if (ecb_expect_true (ta.prev != ta.next)) |
1704 | { |
2011 | { |
1705 | TRANSFER (ta, 1); |
2012 | TRANSFER (ta, 1); |
1706 | return 1; |
2013 | return 1; |
1707 | } |
2014 | } |
1708 | else |
2015 | else |
… | |
… | |
1727 | static void |
2034 | static void |
1728 | api_trace (pTHX_ SV *coro_sv, int flags) |
2035 | api_trace (pTHX_ SV *coro_sv, int flags) |
1729 | { |
2036 | { |
1730 | struct coro *coro = SvSTATE (coro_sv); |
2037 | struct coro *coro = SvSTATE (coro_sv); |
1731 | |
2038 | |
|
|
2039 | if (coro->flags & CF_RUNNING) |
|
|
2040 | croak ("cannot enable tracing on a running coroutine, caught"); |
|
|
2041 | |
1732 | if (flags & CC_TRACE) |
2042 | if (flags & CC_TRACE) |
1733 | { |
2043 | { |
1734 | if (!coro->cctx) |
2044 | if (!coro->cctx) |
1735 | coro->cctx = cctx_new_run (); |
2045 | coro->cctx = cctx_new_run (); |
1736 | else if (!(coro->cctx->flags & CC_TRACE)) |
2046 | else if (!(coro->cctx->flags & CC_TRACE)) |
1737 | croak ("cannot enable tracing on coroutine with custom stack,"); |
2047 | croak ("cannot enable tracing on coroutine with custom stack, caught"); |
1738 | |
2048 | |
1739 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
2049 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1740 | } |
2050 | } |
1741 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
2051 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1742 | { |
2052 | { |
… | |
… | |
1745 | if (coro->flags & CF_RUNNING) |
2055 | if (coro->flags & CF_RUNNING) |
1746 | PL_runops = RUNOPS_DEFAULT; |
2056 | PL_runops = RUNOPS_DEFAULT; |
1747 | else |
2057 | else |
1748 | coro->slot->runops = RUNOPS_DEFAULT; |
2058 | coro->slot->runops = RUNOPS_DEFAULT; |
1749 | } |
2059 | } |
|
|
2060 | } |
|
|
2061 | |
|
|
2062 | static void |
|
|
2063 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2064 | { |
|
|
2065 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2066 | { |
|
|
2067 | dSP; |
|
|
2068 | |
|
|
2069 | if (gimme_v == G_SCALAR) |
|
|
2070 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2071 | else |
|
|
2072 | { |
|
|
2073 | int i; |
|
|
2074 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2075 | |
|
|
2076 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2077 | PUSHs (AvARRAY (av)[i]); |
|
|
2078 | } |
|
|
2079 | |
|
|
2080 | PUTBACK; |
|
|
2081 | } |
|
|
2082 | } |
|
|
2083 | |
|
|
2084 | static void |
|
|
2085 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2086 | { |
|
|
2087 | if (!coro->on_destroy) |
|
|
2088 | coro->on_destroy = newAV (); |
|
|
2089 | |
|
|
2090 | av_push (coro->on_destroy, cb); |
|
|
2091 | } |
|
|
2092 | |
|
|
2093 | static void |
|
|
2094 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2095 | { |
|
|
2096 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2097 | } |
|
|
2098 | |
|
|
2099 | static int |
|
|
2100 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2101 | { |
|
|
2102 | struct coro *coro = (struct coro *)frame->data; |
|
|
2103 | |
|
|
2104 | if (!coro->status) |
|
|
2105 | return 1; |
|
|
2106 | |
|
|
2107 | frame->destroy = 0; |
|
|
2108 | |
|
|
2109 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2110 | |
|
|
2111 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2112 | |
|
|
2113 | return 0; |
|
|
2114 | } |
|
|
2115 | |
|
|
2116 | static void |
|
|
2117 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2118 | { |
|
|
2119 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2120 | |
|
|
2121 | if (items > 1) |
|
|
2122 | croak ("join called with too many arguments"); |
|
|
2123 | |
|
|
2124 | if (coro->status) |
|
|
2125 | frame->prepare = prepare_nop; |
|
|
2126 | else |
|
|
2127 | { |
|
|
2128 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2129 | frame->prepare = prepare_schedule; |
|
|
2130 | } |
|
|
2131 | |
|
|
2132 | frame->check = slf_check_join; |
|
|
2133 | frame->destroy = slf_destroy_join; |
|
|
2134 | frame->data = (void *)coro; |
|
|
2135 | SvREFCNT_inc (coro->hv); |
|
|
2136 | } |
|
|
2137 | |
|
|
2138 | static void |
|
|
2139 | coro_call_on_destroy (pTHX_ struct coro *coro) |
|
|
2140 | { |
|
|
2141 | AV *od = coro->on_destroy; |
|
|
2142 | |
|
|
2143 | if (!od) |
|
|
2144 | return; |
|
|
2145 | |
|
|
2146 | coro->on_destroy = 0; |
|
|
2147 | sv_2mortal ((SV *)od); |
|
|
2148 | |
|
|
2149 | while (AvFILLp (od) >= 0) |
|
|
2150 | { |
|
|
2151 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2152 | |
|
|
2153 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2154 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2155 | api_ready (aTHX_ cb); |
|
|
2156 | else |
|
|
2157 | { |
|
|
2158 | dSP; /* don't disturb outer sp */ |
|
|
2159 | PUSHMARK (SP); |
|
|
2160 | |
|
|
2161 | if (coro->status) |
|
|
2162 | { |
|
|
2163 | PUTBACK; |
|
|
2164 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
|
|
2165 | SPAGAIN; |
|
|
2166 | } |
|
|
2167 | |
|
|
2168 | PUTBACK; |
|
|
2169 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2170 | } |
|
|
2171 | } |
|
|
2172 | } |
|
|
2173 | |
|
|
2174 | static void |
|
|
2175 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2176 | { |
|
|
2177 | AV *av; |
|
|
2178 | |
|
|
2179 | if (coro->status) |
|
|
2180 | { |
|
|
2181 | av = coro->status; |
|
|
2182 | av_clear (av); |
|
|
2183 | } |
|
|
2184 | else |
|
|
2185 | av = coro->status = newAV (); |
|
|
2186 | |
|
|
2187 | /* items are actually not so common, so optimise for this case */ |
|
|
2188 | if (items) |
|
|
2189 | { |
|
|
2190 | int i; |
|
|
2191 | |
|
|
2192 | av_extend (av, items - 1); |
|
|
2193 | |
|
|
2194 | for (i = 0; i < items; ++i) |
|
|
2195 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2196 | } |
|
|
2197 | } |
|
|
2198 | |
|
|
2199 | static void |
|
|
2200 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2201 | { |
|
|
2202 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
|
|
2203 | api_ready (aTHX_ sv_manager); |
|
|
2204 | |
|
|
2205 | frame->prepare = prepare_schedule; |
|
|
2206 | frame->check = slf_check_repeat; |
|
|
2207 | |
|
|
2208 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
2209 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
2210 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2211 | } |
|
|
2212 | |
|
|
2213 | static void |
|
|
2214 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2215 | { |
|
|
2216 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2217 | |
|
|
2218 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2219 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2220 | } |
|
|
2221 | |
|
|
2222 | static void |
|
|
2223 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2224 | { |
|
|
2225 | HV *coro_hv; |
|
|
2226 | struct coro *coro; |
|
|
2227 | |
|
|
2228 | if (items <= 0) |
|
|
2229 | croak ("Coro::cancel called without coro object,"); |
|
|
2230 | |
|
|
2231 | coro = SvSTATE (arg [0]); |
|
|
2232 | coro_hv = coro->hv; |
|
|
2233 | |
|
|
2234 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2235 | |
|
|
2236 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2237 | { |
|
|
2238 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2239 | coro->slf_frame.data = (void *)coro; |
|
|
2240 | |
|
|
2241 | frame->prepare = prepare_nop; |
|
|
2242 | frame->check = slf_check_nop; |
|
|
2243 | } |
|
|
2244 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2245 | { |
|
|
2246 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2247 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2248 | } |
|
|
2249 | else |
|
|
2250 | { |
|
|
2251 | struct coro *self = SvSTATE_current; |
|
|
2252 | |
|
|
2253 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2254 | * unfortunately, this requires some magic trickery, as |
|
|
2255 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2256 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2257 | * besides, I can't get the slow-but-safe version working... |
|
|
2258 | */ |
|
|
2259 | slf_frame.data = 0; |
|
|
2260 | self->flags |= CF_NOCANCEL; |
|
|
2261 | coro_state_destroy (aTHX_ coro); |
|
|
2262 | self->flags &= ~CF_NOCANCEL; |
|
|
2263 | |
|
|
2264 | if (slf_frame.data) |
|
|
2265 | { |
|
|
2266 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2267 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2268 | } |
|
|
2269 | else |
|
|
2270 | { |
|
|
2271 | frame->prepare = prepare_nop; |
|
|
2272 | frame->check = slf_check_nop; |
|
|
2273 | } |
|
|
2274 | } |
|
|
2275 | } |
|
|
2276 | |
|
|
2277 | static int |
|
|
2278 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2279 | { |
|
|
2280 | frame->prepare = 0; |
|
|
2281 | coro_unwind_stacks (aTHX); |
|
|
2282 | |
|
|
2283 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2284 | |
|
|
2285 | return 1; |
|
|
2286 | } |
|
|
2287 | |
|
|
2288 | static int |
|
|
2289 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2290 | { |
|
|
2291 | if (coro->cctx) |
|
|
2292 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2293 | |
|
|
2294 | if (coro->flags & CF_NEW) |
|
|
2295 | { |
|
|
2296 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2297 | coro_state_destroy (aTHX_ coro); |
|
|
2298 | } |
|
|
2299 | else |
|
|
2300 | { |
|
|
2301 | if (!coro->slf_frame.prepare) |
|
|
2302 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2303 | |
|
|
2304 | slf_destroy (aTHX_ coro); |
|
|
2305 | |
|
|
2306 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2307 | coro->slf_frame.prepare = prepare_nop; |
|
|
2308 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2309 | |
|
|
2310 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2311 | } |
|
|
2312 | |
|
|
2313 | return 1; |
1750 | } |
2314 | } |
1751 | |
2315 | |
1752 | /*****************************************************************************/ |
2316 | /*****************************************************************************/ |
1753 | /* async pool handler */ |
2317 | /* async pool handler */ |
1754 | |
2318 | |
… | |
… | |
1785 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2349 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1786 | { |
2350 | { |
1787 | HV *hv = (HV *)SvRV (coro_current); |
2351 | HV *hv = (HV *)SvRV (coro_current); |
1788 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2352 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
1789 | |
2353 | |
1790 | if (expect_true (coro->saved_deffh)) |
2354 | if (ecb_expect_true (coro->saved_deffh)) |
1791 | { |
2355 | { |
1792 | /* subsequent iteration */ |
2356 | /* subsequent iteration */ |
1793 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2357 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1794 | coro->saved_deffh = 0; |
2358 | coro->saved_deffh = 0; |
1795 | |
2359 | |
1796 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2360 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1797 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2361 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1798 | { |
2362 | { |
1799 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2363 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
1800 | coro->invoke_av = newAV (); |
2364 | return; |
1801 | |
|
|
1802 | frame->prepare = prepare_nop; |
|
|
1803 | } |
2365 | } |
1804 | else |
2366 | else |
1805 | { |
2367 | { |
1806 | av_clear (GvAV (PL_defgv)); |
2368 | av_clear (GvAV (PL_defgv)); |
1807 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2369 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
1832 | |
2394 | |
1833 | static void |
2395 | static void |
1834 | coro_rouse_callback (pTHX_ CV *cv) |
2396 | coro_rouse_callback (pTHX_ CV *cv) |
1835 | { |
2397 | { |
1836 | dXSARGS; |
2398 | dXSARGS; |
1837 | SV *data = (SV *)GENSUB_ARG; |
2399 | SV *data = (SV *)S_GENSUB_ARG; |
1838 | |
2400 | |
1839 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2401 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1840 | { |
2402 | { |
1841 | /* first call, set args */ |
2403 | /* first call, set args */ |
|
|
2404 | SV *coro = SvRV (data); |
1842 | AV *av = newAV (); |
2405 | AV *av = newAV (); |
1843 | SV *coro = SvRV (data); |
|
|
1844 | |
2406 | |
1845 | SvRV_set (data, (SV *)av); |
2407 | SvRV_set (data, (SV *)av); |
1846 | api_ready (aTHX_ coro); |
|
|
1847 | SvREFCNT_dec (coro); |
|
|
1848 | |
2408 | |
1849 | /* better take a full copy of the arguments */ |
2409 | /* better take a full copy of the arguments */ |
1850 | while (items--) |
2410 | while (items--) |
1851 | av_store (av, items, newSVsv (ST (items))); |
2411 | av_store (av, items, newSVsv (ST (items))); |
|
|
2412 | |
|
|
2413 | api_ready (aTHX_ coro); |
|
|
2414 | SvREFCNT_dec (coro); |
1852 | } |
2415 | } |
1853 | |
2416 | |
1854 | XSRETURN_EMPTY; |
2417 | XSRETURN_EMPTY; |
1855 | } |
2418 | } |
1856 | |
2419 | |
1857 | static int |
2420 | static int |
1858 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2421 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
1859 | { |
2422 | { |
1860 | SV *data = (SV *)frame->data; |
2423 | SV *data = (SV *)frame->data; |
1861 | |
2424 | |
1862 | if (CORO_THROW) |
2425 | if (CORO_THROW) |
1863 | return 0; |
2426 | return 0; |
1864 | |
2427 | |
1865 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2428 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1866 | return 1; |
2429 | return 1; |
… | |
… | |
1873 | |
2436 | |
1874 | EXTEND (SP, AvFILLp (av) + 1); |
2437 | EXTEND (SP, AvFILLp (av) + 1); |
1875 | for (i = 0; i <= AvFILLp (av); ++i) |
2438 | for (i = 0; i <= AvFILLp (av); ++i) |
1876 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2439 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
1877 | |
2440 | |
1878 | /* we have stolen the elements, so ste length to zero and free */ |
2441 | /* we have stolen the elements, so set length to zero and free */ |
1879 | AvFILLp (av) = -1; |
2442 | AvFILLp (av) = -1; |
1880 | av_undef (av); |
2443 | av_undef (av); |
1881 | |
2444 | |
1882 | PUTBACK; |
2445 | PUTBACK; |
1883 | } |
2446 | } |
… | |
… | |
1902 | cb = sv_2mortal (coro->rouse_cb); |
2465 | cb = sv_2mortal (coro->rouse_cb); |
1903 | coro->rouse_cb = 0; |
2466 | coro->rouse_cb = 0; |
1904 | } |
2467 | } |
1905 | |
2468 | |
1906 | if (!SvROK (cb) |
2469 | if (!SvROK (cb) |
1907 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2470 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
1908 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2471 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
1909 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2472 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
1910 | |
2473 | |
1911 | { |
2474 | { |
1912 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2475 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
1913 | SV *data = (SV *)GENSUB_ARG; |
2476 | SV *data = (SV *)S_GENSUB_ARG; |
1914 | |
2477 | |
1915 | frame->data = (void *)data; |
2478 | frame->data = (void *)data; |
1916 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2479 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
1917 | frame->check = slf_check_rouse_wait; |
2480 | frame->check = slf_check_rouse_wait; |
1918 | } |
2481 | } |
… | |
… | |
1922 | coro_new_rouse_cb (pTHX) |
2485 | coro_new_rouse_cb (pTHX) |
1923 | { |
2486 | { |
1924 | HV *hv = (HV *)SvRV (coro_current); |
2487 | HV *hv = (HV *)SvRV (coro_current); |
1925 | struct coro *coro = SvSTATE_hv (hv); |
2488 | struct coro *coro = SvSTATE_hv (hv); |
1926 | SV *data = newRV_inc ((SV *)hv); |
2489 | SV *data = newRV_inc ((SV *)hv); |
1927 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2490 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
1928 | |
2491 | |
1929 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2492 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
1930 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2493 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
1931 | |
2494 | |
1932 | SvREFCNT_dec (coro->rouse_cb); |
2495 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
1990 | frame->prepare = prepare_schedule; |
2553 | frame->prepare = prepare_schedule; |
1991 | frame->check = slf_check_nop; |
2554 | frame->check = slf_check_nop; |
1992 | } |
2555 | } |
1993 | |
2556 | |
1994 | static void |
2557 | static void |
|
|
2558 | slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta) |
|
|
2559 | { |
|
|
2560 | struct coro *next = (struct coro *)slf_frame.data; |
|
|
2561 | |
|
|
2562 | SvREFCNT_inc_NN (next->hv); |
|
|
2563 | prepare_schedule_to (aTHX_ ta, next); |
|
|
2564 | } |
|
|
2565 | |
|
|
2566 | static void |
|
|
2567 | slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2568 | { |
|
|
2569 | if (!items) |
|
|
2570 | croak ("Coro::schedule_to expects a coroutine argument, caught"); |
|
|
2571 | |
|
|
2572 | frame->data = (void *)SvSTATE (arg [0]); |
|
|
2573 | frame->prepare = slf_prepare_schedule_to; |
|
|
2574 | frame->check = slf_check_nop; |
|
|
2575 | } |
|
|
2576 | |
|
|
2577 | static void |
|
|
2578 | slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2579 | { |
|
|
2580 | api_ready (aTHX_ SvRV (coro_current)); |
|
|
2581 | |
|
|
2582 | slf_init_schedule_to (aTHX_ frame, cv, arg, items); |
|
|
2583 | } |
|
|
2584 | |
|
|
2585 | static void |
1995 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2586 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1996 | { |
2587 | { |
1997 | frame->prepare = prepare_cede; |
2588 | frame->prepare = prepare_cede; |
1998 | frame->check = slf_check_nop; |
2589 | frame->check = slf_check_nop; |
1999 | } |
2590 | } |
… | |
… | |
2001 | static void |
2592 | static void |
2002 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2593 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2003 | { |
2594 | { |
2004 | frame->prepare = prepare_cede_notself; |
2595 | frame->prepare = prepare_cede_notself; |
2005 | frame->check = slf_check_nop; |
2596 | frame->check = slf_check_nop; |
|
|
2597 | } |
|
|
2598 | |
|
|
2599 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2600 | static void |
|
|
2601 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2602 | { |
|
|
2603 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2604 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2605 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2606 | |
|
|
2607 | /* |
|
|
2608 | * The on_destroy above most likely is from an SLF call. |
|
|
2609 | * Since by definition the SLF call will not finish when we destroy |
|
|
2610 | * the coro, we will have to force-finish it here, otherwise |
|
|
2611 | * cleanup functions cannot call SLF functions. |
|
|
2612 | */ |
|
|
2613 | coro->slf_frame.prepare = 0; |
2006 | } |
2614 | } |
2007 | |
2615 | |
2008 | /* |
2616 | /* |
2009 | * these not obviously related functions are all rolled into one |
2617 | * these not obviously related functions are all rolled into one |
2010 | * function to increase chances that they all will call transfer with the same |
2618 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2017 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2625 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2018 | |
2626 | |
2019 | /* set up the slf frame, unless it has already been set-up */ |
2627 | /* set up the slf frame, unless it has already been set-up */ |
2020 | /* the latter happens when a new coro has been started */ |
2628 | /* the latter happens when a new coro has been started */ |
2021 | /* or when a new cctx was attached to an existing coroutine */ |
2629 | /* or when a new cctx was attached to an existing coroutine */ |
2022 | if (expect_true (!slf_frame.prepare)) |
2630 | if (ecb_expect_true (!slf_frame.prepare)) |
2023 | { |
2631 | { |
2024 | /* first iteration */ |
2632 | /* first iteration */ |
2025 | dSP; |
2633 | dSP; |
2026 | SV **arg = PL_stack_base + TOPMARK + 1; |
2634 | SV **arg = PL_stack_base + TOPMARK + 1; |
2027 | int items = SP - arg; /* args without function object */ |
2635 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2068 | while (slf_frame.check (aTHX_ &slf_frame)); |
2676 | while (slf_frame.check (aTHX_ &slf_frame)); |
2069 | |
2677 | |
2070 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2678 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2071 | |
2679 | |
2072 | /* exception handling */ |
2680 | /* exception handling */ |
2073 | if (expect_false (CORO_THROW)) |
2681 | if (ecb_expect_false (CORO_THROW)) |
2074 | { |
2682 | { |
2075 | SV *exception = sv_2mortal (CORO_THROW); |
2683 | SV *exception = sv_2mortal (CORO_THROW); |
2076 | |
2684 | |
2077 | CORO_THROW = 0; |
2685 | CORO_THROW = 0; |
2078 | sv_setsv (ERRSV, exception); |
2686 | sv_setsv (ERRSV, exception); |
2079 | croak (0); |
2687 | croak (0); |
2080 | } |
2688 | } |
2081 | |
2689 | |
2082 | /* return value handling - mostly like entersub */ |
2690 | /* return value handling - mostly like entersub */ |
2083 | /* make sure we put something on the stack in scalar context */ |
2691 | /* make sure we put something on the stack in scalar context */ |
2084 | if (GIMME_V == G_SCALAR) |
2692 | if (GIMME_V == G_SCALAR |
|
|
2693 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2085 | { |
2694 | { |
2086 | dSP; |
2695 | dSP; |
2087 | SV **bot = PL_stack_base + checkmark; |
2696 | SV **bot = PL_stack_base + checkmark; |
2088 | |
2697 | |
2089 | if (sp == bot) /* too few, push undef */ |
2698 | if (sp == bot) /* too few, push undef */ |
2090 | bot [1] = &PL_sv_undef; |
2699 | bot [1] = &PL_sv_undef; |
2091 | else if (sp != bot + 1) /* too many, take last one */ |
2700 | else /* too many, take last one */ |
2092 | bot [1] = *sp; |
2701 | bot [1] = *sp; |
2093 | |
2702 | |
2094 | SP = bot + 1; |
2703 | SP = bot + 1; |
2095 | |
2704 | |
2096 | PUTBACK; |
2705 | PUTBACK; |
… | |
… | |
2129 | if (PL_op->op_flags & OPf_STACKED) |
2738 | if (PL_op->op_flags & OPf_STACKED) |
2130 | { |
2739 | { |
2131 | if (items > slf_arga) |
2740 | if (items > slf_arga) |
2132 | { |
2741 | { |
2133 | slf_arga = items; |
2742 | slf_arga = items; |
2134 | free (slf_argv); |
2743 | Safefree (slf_argv); |
2135 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2744 | New (0, slf_argv, slf_arga, SV *); |
2136 | } |
2745 | } |
2137 | |
2746 | |
2138 | slf_argc = items; |
2747 | slf_argc = items; |
2139 | |
2748 | |
2140 | for (i = 0; i < items; ++i) |
2749 | for (i = 0; i < items; ++i) |
… | |
… | |
2142 | } |
2751 | } |
2143 | else |
2752 | else |
2144 | slf_argc = 0; |
2753 | slf_argc = 0; |
2145 | |
2754 | |
2146 | PL_op->op_ppaddr = pp_slf; |
2755 | PL_op->op_ppaddr = pp_slf; |
2147 | PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */ |
2756 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2148 | |
2757 | |
2149 | PL_op = (OP *)&slf_restore; |
2758 | PL_op = (OP *)&slf_restore; |
|
|
2759 | } |
|
|
2760 | |
|
|
2761 | /*****************************************************************************/ |
|
|
2762 | /* dynamic wind */ |
|
|
2763 | |
|
|
2764 | static void |
|
|
2765 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2766 | { |
|
|
2767 | dSP; |
|
|
2768 | |
|
|
2769 | PUSHSTACK; |
|
|
2770 | |
|
|
2771 | PUSHMARK (SP); |
|
|
2772 | PUTBACK; |
|
|
2773 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2774 | SPAGAIN; |
|
|
2775 | |
|
|
2776 | POPSTACK; |
|
|
2777 | } |
|
|
2778 | |
|
|
2779 | static SV * |
|
|
2780 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2781 | { |
|
|
2782 | AV *av = *avp; |
|
|
2783 | SV *res = av_pop (av); |
|
|
2784 | |
|
|
2785 | if (AvFILLp (av) < 0) |
|
|
2786 | { |
|
|
2787 | *avp = 0; |
|
|
2788 | SvREFCNT_dec (av); |
|
|
2789 | } |
|
|
2790 | |
|
|
2791 | return res; |
|
|
2792 | } |
|
|
2793 | |
|
|
2794 | static void |
|
|
2795 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2796 | { |
|
|
2797 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2798 | SvREFCNT_dec (cb); |
|
|
2799 | } |
|
|
2800 | |
|
|
2801 | static void |
|
|
2802 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2803 | { |
|
|
2804 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2805 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2150 | } |
2806 | } |
2151 | |
2807 | |
2152 | /*****************************************************************************/ |
2808 | /*****************************************************************************/ |
2153 | /* PerlIO::cede */ |
2809 | /* PerlIO::cede */ |
2154 | |
2810 | |
… | |
… | |
2156 | { |
2812 | { |
2157 | PerlIOBuf base; |
2813 | PerlIOBuf base; |
2158 | NV next, every; |
2814 | NV next, every; |
2159 | } PerlIOCede; |
2815 | } PerlIOCede; |
2160 | |
2816 | |
2161 | static IV |
2817 | static IV ecb_cold |
2162 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2818 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2163 | { |
2819 | { |
2164 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2820 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2165 | |
2821 | |
2166 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2822 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2167 | self->next = nvtime () + self->every; |
2823 | self->next = nvtime () + self->every; |
2168 | |
2824 | |
2169 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2825 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2170 | } |
2826 | } |
2171 | |
2827 | |
2172 | static SV * |
2828 | static SV * ecb_cold |
2173 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2829 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2174 | { |
2830 | { |
2175 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2831 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2176 | |
2832 | |
2177 | return newSVnv (self->every); |
2833 | return newSVnv (self->every); |
… | |
… | |
2228 | /* Coro::Semaphore & Coro::Signal */ |
2884 | /* Coro::Semaphore & Coro::Signal */ |
2229 | |
2885 | |
2230 | static SV * |
2886 | static SV * |
2231 | coro_waitarray_new (pTHX_ int count) |
2887 | coro_waitarray_new (pTHX_ int count) |
2232 | { |
2888 | { |
2233 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2889 | /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2234 | AV *av = newAV (); |
2890 | AV *av = newAV (); |
2235 | SV **ary; |
2891 | SV **ary; |
2236 | |
2892 | |
2237 | /* unfortunately, building manually saves memory */ |
2893 | /* unfortunately, building manually saves memory */ |
2238 | Newx (ary, 2, SV *); |
2894 | Newx (ary, 2, SV *); |
2239 | AvALLOC (av) = ary; |
2895 | AvALLOC (av) = ary; |
|
|
2896 | #if PERL_VERSION_ATLEAST (5,10,0) |
2240 | /*AvARRAY (av) = ary;*/ |
2897 | AvARRAY (av) = ary; |
|
|
2898 | #else |
2241 | SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */ |
2899 | /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */ |
|
|
2900 | /* -DDEBUGGING flags this as a bug, despite it perfectly working */ |
|
|
2901 | SvPVX ((SV *)av) = (char *)ary; |
|
|
2902 | #endif |
2242 | AvMAX (av) = 1; |
2903 | AvMAX (av) = 1; |
2243 | AvFILLp (av) = 0; |
2904 | AvFILLp (av) = 0; |
2244 | ary [0] = newSViv (count); |
2905 | ary [0] = newSViv (count); |
2245 | |
2906 | |
2246 | return newRV_noinc ((SV *)av); |
2907 | return newRV_noinc ((SV *)av); |
… | |
… | |
2284 | SvREFCNT_dec (cb); |
2945 | SvREFCNT_dec (cb); |
2285 | } |
2946 | } |
2286 | } |
2947 | } |
2287 | |
2948 | |
2288 | static void |
2949 | static void |
2289 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2950 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2290 | { |
2951 | { |
2291 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2952 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2292 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2953 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2293 | } |
2954 | } |
2294 | |
2955 | |
2295 | static int |
2956 | static int |
2296 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2957 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2297 | { |
2958 | { |
2298 | AV *av = (AV *)frame->data; |
2959 | AV *av = (AV *)frame->data; |
2299 | SV *count_sv = AvARRAY (av)[0]; |
2960 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2961 | SV *coro_hv = SvRV (coro_current); |
2300 | |
2962 | |
2301 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2963 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2302 | if (CORO_THROW) |
2964 | if (CORO_THROW) |
2303 | return 0; |
2965 | return 0; |
2304 | else if (SvIVX (count_sv) > 0) |
2966 | else if (SvIVX (count_sv) > 0) |
2305 | { |
2967 | { |
2306 | SvSTATE_current->on_destroy = 0; |
2968 | frame->destroy = 0; |
2307 | |
2969 | |
2308 | if (acquire) |
2970 | if (acquire) |
2309 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2971 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2310 | else |
2972 | else |
2311 | coro_semaphore_adjust (aTHX_ av, 0); |
2973 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2316 | { |
2978 | { |
2317 | int i; |
2979 | int i; |
2318 | /* if we were woken up but can't down, we look through the whole */ |
2980 | /* if we were woken up but can't down, we look through the whole */ |
2319 | /* waiters list and only add us if we aren't in there already */ |
2981 | /* waiters list and only add us if we aren't in there already */ |
2320 | /* this avoids some degenerate memory usage cases */ |
2982 | /* this avoids some degenerate memory usage cases */ |
2321 | |
2983 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2322 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2323 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2984 | if (AvARRAY (av)[i] == coro_hv) |
2324 | return 1; |
2985 | return 1; |
2325 | |
2986 | |
2326 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2987 | av_push (av, SvREFCNT_inc (coro_hv)); |
2327 | return 1; |
2988 | return 1; |
2328 | } |
2989 | } |
2329 | } |
2990 | } |
2330 | |
2991 | |
2331 | static int |
2992 | static int |
… | |
… | |
2354 | { |
3015 | { |
2355 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3016 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2356 | |
3017 | |
2357 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
3018 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2358 | frame->prepare = prepare_schedule; |
3019 | frame->prepare = prepare_schedule; |
2359 | |
|
|
2360 | /* to avoid race conditions when a woken-up coro gets terminated */ |
3020 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2361 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
3021 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2362 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
3022 | frame->destroy = coro_semaphore_destroy; |
2363 | } |
3023 | } |
2364 | } |
3024 | } |
2365 | |
3025 | |
2366 | static void |
3026 | static void |
2367 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3027 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2375 | { |
3035 | { |
2376 | if (items >= 2) |
3036 | if (items >= 2) |
2377 | { |
3037 | { |
2378 | /* callback form */ |
3038 | /* callback form */ |
2379 | AV *av = (AV *)SvRV (arg [0]); |
3039 | AV *av = (AV *)SvRV (arg [0]); |
2380 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
3040 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2381 | |
3041 | |
2382 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
3042 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2383 | |
3043 | |
2384 | if (SvIVX (AvARRAY (av)[0]) > 0) |
3044 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2385 | coro_semaphore_adjust (aTHX_ av, 0); |
3045 | coro_semaphore_adjust (aTHX_ av, 0); |
2386 | |
3046 | |
2387 | frame->prepare = prepare_nop; |
3047 | frame->prepare = prepare_nop; |
… | |
… | |
2411 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
3071 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2412 | AvARRAY (av)[1] = cb; |
3072 | AvARRAY (av)[1] = cb; |
2413 | |
3073 | |
2414 | cb = av_shift (av); |
3074 | cb = av_shift (av); |
2415 | |
3075 | |
|
|
3076 | if (SvTYPE (cb) == SVt_PVCV) |
|
|
3077 | { |
|
|
3078 | dSP; |
|
|
3079 | PUSHMARK (SP); |
|
|
3080 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
3081 | PUTBACK; |
|
|
3082 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
3083 | } |
|
|
3084 | else |
|
|
3085 | { |
2416 | api_ready (aTHX_ cb); |
3086 | api_ready (aTHX_ cb); |
2417 | sv_setiv (cb, 0); /* signal waiter */ |
3087 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
3088 | } |
|
|
3089 | |
2418 | SvREFCNT_dec (cb); |
3090 | SvREFCNT_dec (cb); |
2419 | |
3091 | |
2420 | --count; |
3092 | --count; |
2421 | } |
3093 | } |
2422 | } |
3094 | } |
… | |
… | |
2431 | static void |
3103 | static void |
2432 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3104 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2433 | { |
3105 | { |
2434 | AV *av = (AV *)SvRV (arg [0]); |
3106 | AV *av = (AV *)SvRV (arg [0]); |
2435 | |
3107 | |
|
|
3108 | if (items >= 2) |
|
|
3109 | { |
|
|
3110 | SV *cb_cv = s_get_cv_croak (arg [1]); |
|
|
3111 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
3112 | |
2436 | if (SvIVX (AvARRAY (av)[0])) |
3113 | if (SvIVX (AvARRAY (av)[0])) |
|
|
3114 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
|
|
3115 | |
|
|
3116 | frame->prepare = prepare_nop; |
|
|
3117 | frame->check = slf_check_nop; |
|
|
3118 | } |
|
|
3119 | else if (SvIVX (AvARRAY (av)[0])) |
2437 | { |
3120 | { |
2438 | SvIVX (AvARRAY (av)[0]) = 0; |
3121 | SvIVX (AvARRAY (av)[0]) = 0; |
2439 | frame->prepare = prepare_nop; |
3122 | frame->prepare = prepare_nop; |
2440 | frame->check = slf_check_nop; |
3123 | frame->check = slf_check_nop; |
2441 | } |
3124 | } |
2442 | else |
3125 | else |
2443 | { |
3126 | { |
2444 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
3127 | SV *waiter = newSVsv (coro_current); /* owned by signal av */ |
2445 | |
3128 | |
2446 | av_push (av, waiter); |
3129 | av_push (av, waiter); |
2447 | |
3130 | |
2448 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
3131 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2449 | frame->prepare = prepare_schedule; |
3132 | frame->prepare = prepare_schedule; |
… | |
… | |
2467 | |
3150 | |
2468 | static void |
3151 | static void |
2469 | coro_aio_callback (pTHX_ CV *cv) |
3152 | coro_aio_callback (pTHX_ CV *cv) |
2470 | { |
3153 | { |
2471 | dXSARGS; |
3154 | dXSARGS; |
2472 | AV *state = (AV *)GENSUB_ARG; |
3155 | AV *state = (AV *)S_GENSUB_ARG; |
2473 | SV *coro = av_pop (state); |
3156 | SV *coro = av_pop (state); |
2474 | SV *data_sv = newSV (sizeof (struct io_state)); |
3157 | SV *data_sv = newSV (sizeof (struct io_state)); |
2475 | |
3158 | |
2476 | av_extend (state, items - 1); |
3159 | av_extend (state, items - 1); |
2477 | |
3160 | |
… | |
… | |
2513 | /* it quickly returns */ |
3196 | /* it quickly returns */ |
2514 | if (CORO_THROW) |
3197 | if (CORO_THROW) |
2515 | return 0; |
3198 | return 0; |
2516 | |
3199 | |
2517 | /* one element that is an RV? repeat! */ |
3200 | /* one element that is an RV? repeat! */ |
2518 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3201 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
2519 | return 1; |
3202 | return 1; |
2520 | |
3203 | |
2521 | /* restore status */ |
3204 | /* restore status */ |
2522 | { |
3205 | { |
2523 | SV *data_sv = av_pop (state); |
3206 | SV *data_sv = av_pop (state); |
… | |
… | |
2562 | dSP; |
3245 | dSP; |
2563 | |
3246 | |
2564 | static SV *prio_cv; |
3247 | static SV *prio_cv; |
2565 | static SV *prio_sv; |
3248 | static SV *prio_sv; |
2566 | |
3249 | |
2567 | if (expect_false (!prio_cv)) |
3250 | if (ecb_expect_false (!prio_cv)) |
2568 | { |
3251 | { |
2569 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3252 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2570 | prio_sv = newSViv (0); |
3253 | prio_sv = newSViv (0); |
2571 | } |
3254 | } |
2572 | |
3255 | |
… | |
… | |
2591 | |
3274 | |
2592 | for (i = 0; i < items; ++i) |
3275 | for (i = 0; i < items; ++i) |
2593 | PUSHs (arg [i]); |
3276 | PUSHs (arg [i]); |
2594 | |
3277 | |
2595 | /* now push the callback closure */ |
3278 | /* now push the callback closure */ |
2596 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3279 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2597 | |
3280 | |
2598 | /* now call the AIO function - we assume our request is uncancelable */ |
3281 | /* now call the AIO function - we assume our request is uncancelable */ |
2599 | PUTBACK; |
3282 | PUTBACK; |
2600 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3283 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2601 | } |
3284 | } |
2602 | |
3285 | |
2603 | /* now that the requets is going, we loop toll we have a result */ |
3286 | /* now that the request is going, we loop till we have a result */ |
2604 | frame->data = (void *)state; |
3287 | frame->data = (void *)state; |
2605 | frame->prepare = prepare_schedule; |
3288 | frame->prepare = prepare_schedule; |
2606 | frame->check = slf_check_aio_req; |
3289 | frame->check = slf_check_aio_req; |
2607 | } |
3290 | } |
2608 | |
3291 | |
… | |
… | |
2615 | |
3298 | |
2616 | XSRETURN_EMPTY; |
3299 | XSRETURN_EMPTY; |
2617 | } |
3300 | } |
2618 | |
3301 | |
2619 | /*****************************************************************************/ |
3302 | /*****************************************************************************/ |
|
|
3303 | |
|
|
3304 | #if CORO_CLONE |
|
|
3305 | # include "clone.c" |
|
|
3306 | #endif |
|
|
3307 | |
|
|
3308 | /*****************************************************************************/ |
|
|
3309 | |
|
|
3310 | static SV * |
|
|
3311 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3312 | { |
|
|
3313 | SV *coro_sv; |
|
|
3314 | struct coro *coro; |
|
|
3315 | MAGIC *mg; |
|
|
3316 | HV *hv; |
|
|
3317 | SV *cb; |
|
|
3318 | int i; |
|
|
3319 | |
|
|
3320 | if (argc > 0) |
|
|
3321 | { |
|
|
3322 | cb = s_get_cv_croak (argv [0]); |
|
|
3323 | |
|
|
3324 | if (!is_coro) |
|
|
3325 | { |
|
|
3326 | if (CvISXSUB (cb)) |
|
|
3327 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3328 | |
|
|
3329 | if (!CvROOT (cb)) |
|
|
3330 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3331 | } |
|
|
3332 | } |
|
|
3333 | |
|
|
3334 | Newz (0, coro, 1, struct coro); |
|
|
3335 | coro->args = newAV (); |
|
|
3336 | coro->flags = CF_NEW; |
|
|
3337 | |
|
|
3338 | if (coro_first) coro_first->prev = coro; |
|
|
3339 | coro->next = coro_first; |
|
|
3340 | coro_first = coro; |
|
|
3341 | |
|
|
3342 | coro->hv = hv = newHV (); |
|
|
3343 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3344 | mg->mg_flags |= MGf_DUP; |
|
|
3345 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3346 | |
|
|
3347 | if (argc > 0) |
|
|
3348 | { |
|
|
3349 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3350 | |
|
|
3351 | if (is_coro) |
|
|
3352 | { |
|
|
3353 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3354 | cb = (SV *)cv_coro_run; |
|
|
3355 | } |
|
|
3356 | |
|
|
3357 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3358 | |
|
|
3359 | for (i = 1; i < argc; i++) |
|
|
3360 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3361 | } |
|
|
3362 | |
|
|
3363 | return coro_sv; |
|
|
3364 | } |
|
|
3365 | |
|
|
3366 | #ifndef __cplusplus |
|
|
3367 | ecb_cold XS(boot_Coro__State); |
|
|
3368 | #endif |
|
|
3369 | |
|
|
3370 | #if CORO_JIT |
|
|
3371 | |
|
|
3372 | static void ecb_noinline ecb_cold |
|
|
3373 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3374 | { |
|
|
3375 | dSP; |
|
|
3376 | AV *av = newAV (); |
|
|
3377 | |
|
|
3378 | av_store (av, 3, newSVuv (d)); |
|
|
3379 | av_store (av, 2, newSVuv (c)); |
|
|
3380 | av_store (av, 1, newSVuv (b)); |
|
|
3381 | av_store (av, 0, newSVuv (a)); |
|
|
3382 | |
|
|
3383 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3384 | |
|
|
3385 | PUTBACK; |
|
|
3386 | } |
|
|
3387 | |
|
|
3388 | static void ecb_noinline ecb_cold |
|
|
3389 | jit_init (pTHX) |
|
|
3390 | { |
|
|
3391 | dSP; |
|
|
3392 | SV *load, *save; |
|
|
3393 | char *map_base; |
|
|
3394 | char *load_ptr, *save_ptr; |
|
|
3395 | STRLEN load_len, save_len, map_len; |
|
|
3396 | int count; |
|
|
3397 | |
|
|
3398 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3399 | |
|
|
3400 | PUSHMARK (SP); |
|
|
3401 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3402 | #include "state.h" |
|
|
3403 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3404 | SPAGAIN; |
|
|
3405 | |
|
|
3406 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3407 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3408 | |
|
|
3409 | map_len = load_len + save_len + 16; |
|
|
3410 | |
|
|
3411 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3412 | |
|
|
3413 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3414 | |
|
|
3415 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3416 | memcpy (map_base, load_ptr, load_len); |
|
|
3417 | |
|
|
3418 | map_base += (load_len + 15) & ~15; |
|
|
3419 | |
|
|
3420 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3421 | memcpy (map_base, save_ptr, save_len); |
|
|
3422 | |
|
|
3423 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3424 | /* hackers might have it a bit more difficult */ |
|
|
3425 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3426 | |
|
|
3427 | PUTBACK; |
|
|
3428 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3429 | } |
|
|
3430 | |
|
|
3431 | #endif |
2620 | |
3432 | |
2621 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3433 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2622 | |
3434 | |
2623 | PROTOTYPES: DISABLE |
3435 | PROTOTYPES: DISABLE |
2624 | |
3436 | |
… | |
… | |
2627 | #ifdef USE_ITHREADS |
3439 | #ifdef USE_ITHREADS |
2628 | # if CORO_PTHREAD |
3440 | # if CORO_PTHREAD |
2629 | coro_thx = PERL_GET_CONTEXT; |
3441 | coro_thx = PERL_GET_CONTEXT; |
2630 | # endif |
3442 | # endif |
2631 | #endif |
3443 | #endif |
2632 | BOOT_PAGESIZE; |
3444 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3445 | /* just create them one at init time is not clear to me, except for */ |
|
|
3446 | /* programs trying to delete them, but... */ |
|
|
3447 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3448 | DEFSV; |
|
|
3449 | ERRSV; |
|
|
3450 | |
|
|
3451 | cctx_current = cctx_new_empty (); |
2633 | |
3452 | |
2634 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3453 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2635 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3454 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2636 | |
3455 | |
2637 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3456 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
… | |
… | |
2657 | |
3476 | |
2658 | { |
3477 | { |
2659 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
3478 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
2660 | |
3479 | |
2661 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
3480 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
2662 | hv_store_ent (PL_custom_op_names, slf, |
3481 | hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0); |
2663 | newSVpv ("coro_slf", 0), 0); |
|
|
2664 | |
3482 | |
2665 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
3483 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
2666 | hv_store_ent (PL_custom_op_descs, slf, |
3484 | hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0); |
2667 | newSVpv ("coro schedule like function", 0), 0); |
|
|
2668 | } |
3485 | } |
2669 | |
3486 | |
2670 | coroapi.ver = CORO_API_VERSION; |
3487 | coroapi.ver = CORO_API_VERSION; |
2671 | coroapi.rev = CORO_API_REVISION; |
3488 | coroapi.rev = CORO_API_REVISION; |
2672 | |
3489 | |
… | |
… | |
2677 | coroapi.prepare_nop = prepare_nop; |
3494 | coroapi.prepare_nop = prepare_nop; |
2678 | coroapi.prepare_schedule = prepare_schedule; |
3495 | coroapi.prepare_schedule = prepare_schedule; |
2679 | coroapi.prepare_cede = prepare_cede; |
3496 | coroapi.prepare_cede = prepare_cede; |
2680 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3497 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2681 | |
3498 | |
2682 | { |
3499 | time_init (aTHX); |
2683 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2684 | |
3500 | |
2685 | if (!svp) croak ("Time::HiRes is required"); |
|
|
2686 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
2687 | |
|
|
2688 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
2689 | } |
|
|
2690 | |
|
|
2691 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
3501 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3502 | #if CORO_JIT |
|
|
3503 | PUTBACK; |
|
|
3504 | jit_init (aTHX); |
|
|
3505 | SPAGAIN; |
|
|
3506 | #endif |
2692 | } |
3507 | } |
2693 | |
3508 | |
2694 | SV * |
3509 | SV * |
2695 | new (char *klass, ...) |
3510 | new (SV *klass, ...) |
2696 | ALIAS: |
3511 | ALIAS: |
2697 | Coro::new = 1 |
3512 | Coro::new = 1 |
2698 | CODE: |
3513 | CODE: |
2699 | { |
3514 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2700 | struct coro *coro; |
3515 | OUTPUT: |
2701 | MAGIC *mg; |
|
|
2702 | HV *hv; |
|
|
2703 | CV *cb; |
|
|
2704 | int i; |
|
|
2705 | |
|
|
2706 | if (items > 1) |
|
|
2707 | { |
|
|
2708 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2709 | |
|
|
2710 | if (!ix) |
|
|
2711 | { |
|
|
2712 | if (CvISXSUB (cb)) |
|
|
2713 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2714 | |
|
|
2715 | if (!CvROOT (cb)) |
|
|
2716 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2717 | } |
|
|
2718 | } |
|
|
2719 | |
|
|
2720 | Newz (0, coro, 1, struct coro); |
|
|
2721 | coro->args = newAV (); |
|
|
2722 | coro->flags = CF_NEW; |
|
|
2723 | |
|
|
2724 | if (coro_first) coro_first->prev = coro; |
|
|
2725 | coro->next = coro_first; |
|
|
2726 | coro_first = coro; |
|
|
2727 | |
|
|
2728 | coro->hv = hv = newHV (); |
|
|
2729 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2730 | mg->mg_flags |= MGf_DUP; |
|
|
2731 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
2732 | |
|
|
2733 | if (items > 1) |
|
|
2734 | { |
|
|
2735 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2736 | |
|
|
2737 | if (ix) |
|
|
2738 | { |
|
|
2739 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2740 | cb = cv_coro_run; |
|
|
2741 | } |
|
|
2742 | |
|
|
2743 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2744 | |
|
|
2745 | for (i = 2; i < items; i++) |
|
|
2746 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2747 | } |
|
|
2748 | } |
|
|
2749 | OUTPUT: |
|
|
2750 | RETVAL |
3516 | RETVAL |
2751 | |
3517 | |
2752 | void |
3518 | void |
2753 | transfer (...) |
3519 | transfer (...) |
2754 | PROTOTYPE: $$ |
3520 | PROTOTYPE: $$ |
2755 | CODE: |
3521 | CODE: |
2756 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3522 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
2757 | |
3523 | |
2758 | bool |
3524 | SV * |
2759 | _destroy (SV *coro_sv) |
3525 | clone (Coro::State coro) |
2760 | CODE: |
3526 | CODE: |
2761 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
3527 | { |
|
|
3528 | #if CORO_CLONE |
|
|
3529 | struct coro *ncoro = coro_clone (aTHX_ coro); |
|
|
3530 | MAGIC *mg; |
|
|
3531 | /* TODO: too much duplication */ |
|
|
3532 | ncoro->hv = newHV (); |
|
|
3533 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
|
|
3534 | mg->mg_flags |= MGf_DUP; |
|
|
3535 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
|
|
3536 | #else |
|
|
3537 | croak ("Coro::State->clone has not been configured into this installation of Coro, realised"); |
|
|
3538 | #endif |
|
|
3539 | } |
2762 | OUTPUT: |
3540 | OUTPUT: |
2763 | RETVAL |
3541 | RETVAL |
2764 | |
|
|
2765 | void |
|
|
2766 | _exit (int code) |
|
|
2767 | PROTOTYPE: $ |
|
|
2768 | CODE: |
|
|
2769 | _exit (code); |
|
|
2770 | |
3542 | |
2771 | int |
3543 | int |
2772 | cctx_stacksize (int new_stacksize = 0) |
3544 | cctx_stacksize (int new_stacksize = 0) |
2773 | PROTOTYPE: ;$ |
3545 | PROTOTYPE: ;$ |
2774 | CODE: |
3546 | CODE: |
… | |
… | |
2810 | void |
3582 | void |
2811 | list () |
3583 | list () |
2812 | PROTOTYPE: |
3584 | PROTOTYPE: |
2813 | PPCODE: |
3585 | PPCODE: |
2814 | { |
3586 | { |
2815 | struct coro *coro; |
3587 | struct coro *coro; |
2816 | for (coro = coro_first; coro; coro = coro->next) |
3588 | for (coro = coro_first; coro; coro = coro->next) |
2817 | if (coro->hv) |
3589 | if (coro->hv) |
2818 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3590 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
2819 | } |
3591 | } |
2820 | |
3592 | |
… | |
… | |
2824 | eval = 1 |
3596 | eval = 1 |
2825 | CODE: |
3597 | CODE: |
2826 | { |
3598 | { |
2827 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3599 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2828 | { |
3600 | { |
2829 | struct coro temp; |
3601 | struct coro *current = SvSTATE_current; |
|
|
3602 | struct CoroSLF slf_save; |
2830 | |
3603 | |
2831 | if (!(coro->flags & CF_RUNNING)) |
3604 | if (current != coro) |
2832 | { |
3605 | { |
2833 | PUTBACK; |
3606 | PUTBACK; |
2834 | save_perl (aTHX_ &temp); |
3607 | save_perl (aTHX_ current); |
2835 | load_perl (aTHX_ coro); |
3608 | load_perl (aTHX_ coro); |
|
|
3609 | /* the coro is most likely in an active SLF call. |
|
|
3610 | * while not strictly required (the code we execute is |
|
|
3611 | * not allowed to call any SLF functions), it's cleaner |
|
|
3612 | * to reinitialise the slf_frame and restore it later. |
|
|
3613 | * This might one day allow us to actually do SLF calls |
|
|
3614 | * from code executed here. |
|
|
3615 | */ |
|
|
3616 | slf_save = slf_frame; |
|
|
3617 | slf_frame.prepare = 0; |
|
|
3618 | SPAGAIN; |
2836 | } |
3619 | } |
2837 | |
3620 | |
2838 | { |
|
|
2839 | dSP; |
|
|
2840 | ENTER; |
|
|
2841 | SAVETMPS; |
|
|
2842 | PUTBACK; |
|
|
2843 | PUSHSTACK; |
3621 | PUSHSTACK; |
|
|
3622 | |
2844 | PUSHMARK (SP); |
3623 | PUSHMARK (SP); |
|
|
3624 | PUTBACK; |
2845 | |
3625 | |
2846 | if (ix) |
3626 | if (ix) |
2847 | eval_sv (coderef, 0); |
3627 | eval_sv (coderef, 0); |
2848 | else |
3628 | else |
2849 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3629 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2850 | |
3630 | |
2851 | POPSTACK; |
3631 | POPSTACK; |
2852 | SPAGAIN; |
3632 | SPAGAIN; |
2853 | FREETMPS; |
|
|
2854 | LEAVE; |
|
|
2855 | PUTBACK; |
|
|
2856 | } |
|
|
2857 | |
3633 | |
2858 | if (!(coro->flags & CF_RUNNING)) |
3634 | if (current != coro) |
2859 | { |
3635 | { |
|
|
3636 | PUTBACK; |
|
|
3637 | slf_frame = slf_save; |
2860 | save_perl (aTHX_ coro); |
3638 | save_perl (aTHX_ coro); |
2861 | load_perl (aTHX_ &temp); |
3639 | load_perl (aTHX_ current); |
2862 | SPAGAIN; |
3640 | SPAGAIN; |
2863 | } |
3641 | } |
2864 | } |
3642 | } |
2865 | } |
3643 | } |
2866 | |
3644 | |
… | |
… | |
2869 | PROTOTYPE: $ |
3647 | PROTOTYPE: $ |
2870 | ALIAS: |
3648 | ALIAS: |
2871 | is_ready = CF_READY |
3649 | is_ready = CF_READY |
2872 | is_running = CF_RUNNING |
3650 | is_running = CF_RUNNING |
2873 | is_new = CF_NEW |
3651 | is_new = CF_NEW |
2874 | is_destroyed = CF_DESTROYED |
3652 | is_destroyed = CF_ZOMBIE |
|
|
3653 | is_zombie = CF_ZOMBIE |
|
|
3654 | is_suspended = CF_SUSPENDED |
2875 | CODE: |
3655 | CODE: |
2876 | RETVAL = boolSV (coro->flags & ix); |
3656 | RETVAL = boolSV (coro->flags & ix); |
2877 | OUTPUT: |
3657 | OUTPUT: |
2878 | RETVAL |
3658 | RETVAL |
2879 | |
3659 | |
2880 | void |
3660 | void |
2881 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3661 | throw (SV *self, SV *exception = &PL_sv_undef) |
2882 | PROTOTYPE: $;$ |
3662 | PROTOTYPE: $;$ |
2883 | CODE: |
3663 | CODE: |
2884 | { |
3664 | { |
|
|
3665 | struct coro *coro = SvSTATE (self); |
2885 | struct coro *current = SvSTATE_current; |
3666 | struct coro *current = SvSTATE_current; |
2886 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3667 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
2887 | SvREFCNT_dec (*throwp); |
3668 | SvREFCNT_dec (*exceptionp); |
2888 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3669 | SvGETMAGIC (exception); |
|
|
3670 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3671 | |
|
|
3672 | api_ready (aTHX_ self); |
2889 | } |
3673 | } |
2890 | |
3674 | |
2891 | void |
3675 | void |
2892 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3676 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
2893 | PROTOTYPE: $;$ |
3677 | PROTOTYPE: $;$ |
… | |
… | |
2895 | |
3679 | |
2896 | SV * |
3680 | SV * |
2897 | has_cctx (Coro::State coro) |
3681 | has_cctx (Coro::State coro) |
2898 | PROTOTYPE: $ |
3682 | PROTOTYPE: $ |
2899 | CODE: |
3683 | CODE: |
2900 | RETVAL = boolSV (!!coro->cctx); |
3684 | /* maybe manage the running flag differently */ |
|
|
3685 | RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING)); |
2901 | OUTPUT: |
3686 | OUTPUT: |
2902 | RETVAL |
3687 | RETVAL |
2903 | |
3688 | |
2904 | int |
3689 | int |
2905 | is_traced (Coro::State coro) |
3690 | is_traced (Coro::State coro) |
… | |
… | |
2925 | |
3710 | |
2926 | void |
3711 | void |
2927 | force_cctx () |
3712 | force_cctx () |
2928 | PROTOTYPE: |
3713 | PROTOTYPE: |
2929 | CODE: |
3714 | CODE: |
2930 | SvSTATE_current->cctx->idle_sp = 0; |
3715 | cctx_current->idle_sp = 0; |
2931 | |
3716 | |
2932 | void |
3717 | void |
2933 | swap_defsv (Coro::State self) |
3718 | swap_defsv (Coro::State self) |
2934 | PROTOTYPE: $ |
3719 | PROTOTYPE: $ |
2935 | ALIAS: |
3720 | ALIAS: |
… | |
… | |
2943 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3728 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
2944 | |
3729 | |
2945 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3730 | SV *tmp = *src; *src = *dst; *dst = tmp; |
2946 | } |
3731 | } |
2947 | |
3732 | |
|
|
3733 | void |
|
|
3734 | cancel (Coro::State self) |
|
|
3735 | CODE: |
|
|
3736 | coro_state_destroy (aTHX_ self); |
|
|
3737 | |
|
|
3738 | SV * |
|
|
3739 | enable_times (int enabled = enable_times) |
|
|
3740 | CODE: |
|
|
3741 | { |
|
|
3742 | RETVAL = boolSV (enable_times); |
|
|
3743 | |
|
|
3744 | if (enabled != enable_times) |
|
|
3745 | { |
|
|
3746 | enable_times = enabled; |
|
|
3747 | |
|
|
3748 | coro_times_update (); |
|
|
3749 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3750 | } |
|
|
3751 | } |
|
|
3752 | OUTPUT: |
|
|
3753 | RETVAL |
|
|
3754 | |
|
|
3755 | void |
|
|
3756 | times (Coro::State self) |
|
|
3757 | PPCODE: |
|
|
3758 | { |
|
|
3759 | struct coro *current = SvSTATE (coro_current); |
|
|
3760 | |
|
|
3761 | if (ecb_expect_false (current == self)) |
|
|
3762 | { |
|
|
3763 | coro_times_update (); |
|
|
3764 | coro_times_add (SvSTATE (coro_current)); |
|
|
3765 | } |
|
|
3766 | |
|
|
3767 | EXTEND (SP, 2); |
|
|
3768 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3769 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3770 | |
|
|
3771 | if (ecb_expect_false (current == self)) |
|
|
3772 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3773 | } |
|
|
3774 | |
|
|
3775 | void |
|
|
3776 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3777 | CODE: |
|
|
3778 | { |
|
|
3779 | struct coro *current = SvSTATE_current; |
|
|
3780 | |
|
|
3781 | if (current == coro) |
|
|
3782 | SWAP_SVS (current); |
|
|
3783 | |
|
|
3784 | if (!coro->swap_sv) |
|
|
3785 | coro->swap_sv = newAV (); |
|
|
3786 | |
|
|
3787 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3788 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3789 | |
|
|
3790 | if (current == coro) |
|
|
3791 | SWAP_SVS (current); |
|
|
3792 | } |
|
|
3793 | |
2948 | |
3794 | |
2949 | MODULE = Coro::State PACKAGE = Coro |
3795 | MODULE = Coro::State PACKAGE = Coro |
2950 | |
3796 | |
2951 | BOOT: |
3797 | BOOT: |
2952 | { |
3798 | { |
2953 | int i; |
|
|
2954 | |
|
|
2955 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2956 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3799 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
2957 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3800 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
2958 | cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); |
3801 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
2959 | cv_coro_terminate = get_cv ( "Coro::terminate", GV_ADD); |
|
|
2960 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); |
3802 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
2961 | SvREADONLY_on (coro_current); |
3803 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
3804 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
|
|
3805 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3806 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
2962 | |
3807 | |
2963 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3808 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
2964 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3809 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
2965 | cv_pool_handler = get_cv ("Coro::_pool_handler", 0); SvREADONLY_on (cv_pool_handler); |
3810 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
2966 | cv_coro_new = get_cv ("Coro::new", 0); SvREADONLY_on (cv_coro_new); |
3811 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
2967 | |
3812 | |
2968 | coro_stash = gv_stashpv ("Coro", TRUE); |
3813 | coro_stash = gv_stashpv ("Coro", TRUE); |
2969 | |
3814 | |
2970 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3815 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
2971 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3816 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
2972 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3817 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
2973 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3818 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW)); |
2974 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3819 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE)); |
2975 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3820 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN)); |
2976 | |
|
|
2977 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
2978 | coro_ready[i] = newAV (); |
|
|
2979 | |
3821 | |
2980 | { |
3822 | { |
2981 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3823 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
2982 | |
3824 | |
2983 | coroapi.schedule = api_schedule; |
3825 | coroapi.schedule = api_schedule; |
|
|
3826 | coroapi.schedule_to = api_schedule_to; |
2984 | coroapi.cede = api_cede; |
3827 | coroapi.cede = api_cede; |
2985 | coroapi.cede_notself = api_cede_notself; |
3828 | coroapi.cede_notself = api_cede_notself; |
2986 | coroapi.ready = api_ready; |
3829 | coroapi.ready = api_ready; |
2987 | coroapi.is_ready = api_is_ready; |
3830 | coroapi.is_ready = api_is_ready; |
2988 | coroapi.nready = coro_nready; |
3831 | coroapi.nready = coro_nready; |
… | |
… | |
2992 | sv_setiv (sv, (IV)&coroapi); |
3835 | sv_setiv (sv, (IV)&coroapi); |
2993 | SvREADONLY_on (sv); |
3836 | SvREADONLY_on (sv); |
2994 | } |
3837 | } |
2995 | } |
3838 | } |
2996 | |
3839 | |
|
|
3840 | SV * |
|
|
3841 | async (...) |
|
|
3842 | PROTOTYPE: &@ |
|
|
3843 | CODE: |
|
|
3844 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3845 | api_ready (aTHX_ RETVAL); |
|
|
3846 | OUTPUT: |
|
|
3847 | RETVAL |
|
|
3848 | |
|
|
3849 | void |
|
|
3850 | _destroy (Coro::State coro) |
|
|
3851 | CODE: |
|
|
3852 | /* used by the manager thread */ |
|
|
3853 | coro_state_destroy (aTHX_ coro); |
|
|
3854 | |
|
|
3855 | void |
|
|
3856 | on_destroy (Coro::State coro, SV *cb) |
|
|
3857 | CODE: |
|
|
3858 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3859 | |
|
|
3860 | void |
|
|
3861 | join (...) |
|
|
3862 | CODE: |
|
|
3863 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
3864 | |
|
|
3865 | void |
|
|
3866 | terminate (...) |
|
|
3867 | CODE: |
|
|
3868 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3869 | |
|
|
3870 | void |
|
|
3871 | cancel (...) |
|
|
3872 | CODE: |
|
|
3873 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3874 | |
|
|
3875 | int |
|
|
3876 | safe_cancel (Coro::State self, ...) |
|
|
3877 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
|
|
3878 | |
2997 | void |
3879 | void |
2998 | schedule (...) |
3880 | schedule (...) |
2999 | CODE: |
3881 | CODE: |
3000 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3882 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
|
|
3883 | |
|
|
3884 | void |
|
|
3885 | schedule_to (...) |
|
|
3886 | CODE: |
|
|
3887 | CORO_EXECUTE_SLF_XS (slf_init_schedule_to); |
|
|
3888 | |
|
|
3889 | void |
|
|
3890 | cede_to (...) |
|
|
3891 | CODE: |
|
|
3892 | CORO_EXECUTE_SLF_XS (slf_init_cede_to); |
3001 | |
3893 | |
3002 | void |
3894 | void |
3003 | cede (...) |
3895 | cede (...) |
3004 | CODE: |
3896 | CODE: |
3005 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
3897 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
… | |
… | |
3019 | void |
3911 | void |
3020 | _set_readyhook (SV *hook) |
3912 | _set_readyhook (SV *hook) |
3021 | PROTOTYPE: $ |
3913 | PROTOTYPE: $ |
3022 | CODE: |
3914 | CODE: |
3023 | SvREFCNT_dec (coro_readyhook); |
3915 | SvREFCNT_dec (coro_readyhook); |
|
|
3916 | SvGETMAGIC (hook); |
|
|
3917 | if (SvOK (hook)) |
|
|
3918 | { |
3024 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3919 | coro_readyhook = newSVsv (hook); |
|
|
3920 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3921 | } |
|
|
3922 | else |
|
|
3923 | { |
|
|
3924 | coro_readyhook = 0; |
|
|
3925 | CORO_READYHOOK = 0; |
|
|
3926 | } |
3025 | |
3927 | |
3026 | int |
3928 | int |
3027 | prio (Coro::State coro, int newprio = 0) |
3929 | prio (Coro::State coro, int newprio = 0) |
3028 | PROTOTYPE: $;$ |
3930 | PROTOTYPE: $;$ |
3029 | ALIAS: |
3931 | ALIAS: |
… | |
… | |
3035 | if (items > 1) |
3937 | if (items > 1) |
3036 | { |
3938 | { |
3037 | if (ix) |
3939 | if (ix) |
3038 | newprio = coro->prio - newprio; |
3940 | newprio = coro->prio - newprio; |
3039 | |
3941 | |
3040 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
3942 | if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN; |
3041 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
3943 | if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX; |
3042 | |
3944 | |
3043 | coro->prio = newprio; |
3945 | coro->prio = newprio; |
3044 | } |
3946 | } |
3045 | } |
3947 | } |
3046 | OUTPUT: |
3948 | OUTPUT: |
… | |
… | |
3061 | RETVAL = coro_nready; |
3963 | RETVAL = coro_nready; |
3062 | OUTPUT: |
3964 | OUTPUT: |
3063 | RETVAL |
3965 | RETVAL |
3064 | |
3966 | |
3065 | void |
3967 | void |
|
|
3968 | suspend (Coro::State self) |
|
|
3969 | PROTOTYPE: $ |
|
|
3970 | CODE: |
|
|
3971 | self->flags |= CF_SUSPENDED; |
|
|
3972 | |
|
|
3973 | void |
|
|
3974 | resume (Coro::State self) |
|
|
3975 | PROTOTYPE: $ |
|
|
3976 | CODE: |
|
|
3977 | self->flags &= ~CF_SUSPENDED; |
|
|
3978 | |
|
|
3979 | void |
3066 | _pool_handler (...) |
3980 | _pool_handler (...) |
3067 | CODE: |
3981 | CODE: |
3068 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3982 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3069 | |
3983 | |
3070 | void |
3984 | void |
… | |
… | |
3081 | for (i = 1; i < items; ++i) |
3995 | for (i = 1; i < items; ++i) |
3082 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3996 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3083 | |
3997 | |
3084 | if ((SV *)hv == &PL_sv_undef) |
3998 | if ((SV *)hv == &PL_sv_undef) |
3085 | { |
3999 | { |
3086 | PUSHMARK (SP); |
4000 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3087 | EXTEND (SP, 2); |
|
|
3088 | PUSHs (sv_Coro); |
|
|
3089 | PUSHs ((SV *)cv_pool_handler); |
|
|
3090 | PUTBACK; |
|
|
3091 | call_sv ((SV *)cv_coro_new, G_SCALAR); |
|
|
3092 | SPAGAIN; |
|
|
3093 | |
|
|
3094 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
4001 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
4002 | SvREFCNT_dec (sv); |
3095 | } |
4003 | } |
3096 | |
4004 | |
3097 | { |
4005 | { |
3098 | struct coro *coro = SvSTATE_hv (hv); |
4006 | struct coro *coro = SvSTATE_hv (hv); |
3099 | |
4007 | |
… | |
… | |
3123 | rouse_wait (...) |
4031 | rouse_wait (...) |
3124 | PROTOTYPE: ;$ |
4032 | PROTOTYPE: ;$ |
3125 | PPCODE: |
4033 | PPCODE: |
3126 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
4034 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3127 | |
4035 | |
|
|
4036 | void |
|
|
4037 | on_enter (SV *block) |
|
|
4038 | ALIAS: |
|
|
4039 | on_leave = 1 |
|
|
4040 | PROTOTYPE: & |
|
|
4041 | CODE: |
|
|
4042 | { |
|
|
4043 | struct coro *coro = SvSTATE_current; |
|
|
4044 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
4045 | |
|
|
4046 | block = s_get_cv_croak (block); |
|
|
4047 | |
|
|
4048 | if (!*avp) |
|
|
4049 | *avp = newAV (); |
|
|
4050 | |
|
|
4051 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
4052 | |
|
|
4053 | if (!ix) |
|
|
4054 | on_enterleave_call (aTHX_ block); |
|
|
4055 | |
|
|
4056 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
4057 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
4058 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
4059 | } |
|
|
4060 | |
3128 | |
4061 | |
3129 | MODULE = Coro::State PACKAGE = PerlIO::cede |
4062 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3130 | |
4063 | |
3131 | BOOT: |
4064 | BOOT: |
3132 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
4065 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
… | |
… | |
3135 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
4068 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3136 | |
4069 | |
3137 | SV * |
4070 | SV * |
3138 | new (SV *klass, SV *count = 0) |
4071 | new (SV *klass, SV *count = 0) |
3139 | CODE: |
4072 | CODE: |
|
|
4073 | { |
|
|
4074 | int semcnt = 1; |
|
|
4075 | |
|
|
4076 | if (count) |
|
|
4077 | { |
|
|
4078 | SvGETMAGIC (count); |
|
|
4079 | |
|
|
4080 | if (SvOK (count)) |
|
|
4081 | semcnt = SvIV (count); |
|
|
4082 | } |
|
|
4083 | |
3140 | RETVAL = sv_bless ( |
4084 | RETVAL = sv_bless ( |
3141 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
4085 | coro_waitarray_new (aTHX_ semcnt), |
3142 | GvSTASH (CvGV (cv)) |
4086 | GvSTASH (CvGV (cv)) |
3143 | ); |
4087 | ); |
|
|
4088 | } |
3144 | OUTPUT: |
4089 | OUTPUT: |
3145 | RETVAL |
4090 | RETVAL |
3146 | |
4091 | |
3147 | # helper for Coro::Channel |
4092 | # helper for Coro::Channel and others |
3148 | SV * |
4093 | SV * |
3149 | _alloc (int count) |
4094 | _alloc (int count) |
3150 | CODE: |
4095 | CODE: |
3151 | RETVAL = coro_waitarray_new (aTHX_ count); |
4096 | RETVAL = coro_waitarray_new (aTHX_ count); |
3152 | OUTPUT: |
4097 | OUTPUT: |
… | |
… | |
3194 | XSRETURN_NO; |
4139 | XSRETURN_NO; |
3195 | } |
4140 | } |
3196 | |
4141 | |
3197 | void |
4142 | void |
3198 | waiters (SV *self) |
4143 | waiters (SV *self) |
3199 | PPCODE: |
4144 | PPCODE: |
3200 | { |
4145 | { |
3201 | AV *av = (AV *)SvRV (self); |
4146 | AV *av = (AV *)SvRV (self); |
3202 | int wcount = AvFILLp (av) + 1 - 1; |
4147 | int wcount = AvFILLp (av) + 1 - 1; |
3203 | |
4148 | |
3204 | if (GIMME_V == G_SCALAR) |
4149 | if (GIMME_V == G_SCALAR) |
… | |
… | |
3210 | for (i = 1; i <= wcount; ++i) |
4155 | for (i = 1; i <= wcount; ++i) |
3211 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
4156 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3212 | } |
4157 | } |
3213 | } |
4158 | } |
3214 | |
4159 | |
|
|
4160 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
4161 | |
|
|
4162 | void |
|
|
4163 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
|
|
4164 | PPCODE: |
|
|
4165 | { |
|
|
4166 | AV *av = (AV *)SvRV (sem); |
|
|
4167 | |
|
|
4168 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
4169 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
4170 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
4171 | XSRETURN_YES; |
|
|
4172 | |
|
|
4173 | XSRETURN_NO; |
|
|
4174 | } |
|
|
4175 | |
3215 | MODULE = Coro::State PACKAGE = Coro::Signal |
4176 | MODULE = Coro::State PACKAGE = Coro::Signal |
3216 | |
4177 | |
3217 | SV * |
4178 | SV * |
3218 | new (SV *klass) |
4179 | new (SV *klass) |
3219 | CODE: |
4180 | CODE: |
… | |
… | |
3231 | |
4192 | |
3232 | void |
4193 | void |
3233 | broadcast (SV *self) |
4194 | broadcast (SV *self) |
3234 | CODE: |
4195 | CODE: |
3235 | { |
4196 | { |
3236 | AV *av = (AV *)SvRV (self); |
4197 | AV *av = (AV *)SvRV (self); |
3237 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4198 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
3238 | } |
4199 | } |
3239 | |
4200 | |
3240 | void |
4201 | void |
3241 | send (SV *self) |
4202 | send (SV *self) |
… | |
… | |
3249 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4210 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3250 | } |
4211 | } |
3251 | |
4212 | |
3252 | IV |
4213 | IV |
3253 | awaited (SV *self) |
4214 | awaited (SV *self) |
3254 | CODE: |
4215 | CODE: |
3255 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4216 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
3256 | OUTPUT: |
4217 | OUTPUT: |
3257 | RETVAL |
4218 | RETVAL |
3258 | |
4219 | |
3259 | |
4220 | |
… | |
… | |
3264 | |
4225 | |
3265 | void |
4226 | void |
3266 | _schedule (...) |
4227 | _schedule (...) |
3267 | CODE: |
4228 | CODE: |
3268 | { |
4229 | { |
3269 | static int incede; |
4230 | static int incede; |
3270 | |
4231 | |
3271 | api_cede_notself (aTHX); |
4232 | api_cede_notself (aTHX); |
3272 | |
4233 | |
3273 | ++incede; |
4234 | ++incede; |
3274 | while (coro_nready >= incede && api_cede (aTHX)) |
4235 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
3290 | |
4251 | |
3291 | void |
4252 | void |
3292 | _register (char *target, char *proto, SV *req) |
4253 | _register (char *target, char *proto, SV *req) |
3293 | CODE: |
4254 | CODE: |
3294 | { |
4255 | { |
3295 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
4256 | SV *req_cv = s_get_cv_croak (req); |
3296 | /* newXSproto doesn't return the CV on 5.8 */ |
4257 | /* newXSproto doesn't return the CV on 5.8 */ |
3297 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
4258 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3298 | sv_setpv ((SV *)slf_cv, proto); |
4259 | sv_setpv ((SV *)slf_cv, proto); |
3299 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
4260 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3300 | } |
4261 | } |
3301 | |
4262 | |
|
|
4263 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
4264 | |
|
|
4265 | void |
|
|
4266 | patch_pp_sselect () |
|
|
4267 | CODE: |
|
|
4268 | if (!coro_old_pp_sselect) |
|
|
4269 | { |
|
|
4270 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4271 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4272 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4273 | } |
|
|
4274 | |
|
|
4275 | void |
|
|
4276 | unpatch_pp_sselect () |
|
|
4277 | CODE: |
|
|
4278 | if (coro_old_pp_sselect) |
|
|
4279 | { |
|
|
4280 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4281 | coro_old_pp_sselect = 0; |
|
|
4282 | } |
|
|
4283 | |
|
|
4284 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4285 | |
|
|
4286 | void |
|
|
4287 | _exit (int code) |
|
|
4288 | CODE: |
|
|
4289 | _exit (code); |
|
|
4290 | |
|
|
4291 | NV |
|
|
4292 | time () |
|
|
4293 | CODE: |
|
|
4294 | RETVAL = nvtime (aTHX); |
|
|
4295 | OUTPUT: |
|
|
4296 | RETVAL |
|
|
4297 | |
|
|
4298 | NV |
|
|
4299 | gettimeofday () |
|
|
4300 | PPCODE: |
|
|
4301 | { |
|
|
4302 | UV tv [2]; |
|
|
4303 | u2time (aTHX_ tv); |
|
|
4304 | EXTEND (SP, 2); |
|
|
4305 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4306 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4307 | } |
|
|
4308 | |