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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 | #ifndef CvISXSUB |
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104 | # define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE) |
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105 | #endif |
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106 | #ifndef Newx |
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107 | # define Newx(ptr,nitems,type) New (0,ptr,nitems,type) |
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108 | #endif |
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109 | |
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110 | /* 5.8.7 */ |
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111 | #ifndef SvRV_set |
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112 | # define SvRV_set(s,v) SvRV(s) = (v) |
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113 | #endif |
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114 | |
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115 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
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116 | # undef CORO_STACKGUARD |
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117 | #endif |
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118 | |
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119 | #ifndef CORO_STACKGUARD |
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120 | # define CORO_STACKGUARD 0 |
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121 | #endif |
68 | #endif |
122 | |
69 | |
123 | /* prefer perl internal functions over our own? */ |
70 | /* prefer perl internal functions over our own? */ |
124 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
71 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
125 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
72 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
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135 | # define STACKLEVEL ((void *)&stacklevel) |
82 | # define STACKLEVEL ((void *)&stacklevel) |
136 | #endif |
83 | #endif |
137 | |
84 | |
138 | #define IN_DESTRUCT PL_dirty |
85 | #define IN_DESTRUCT PL_dirty |
139 | |
86 | |
140 | #if __GNUC__ >= 3 |
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141 | # define attribute(x) __attribute__(x) |
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142 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
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143 | # define INLINE static inline |
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144 | #else |
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145 | # define attribute(x) |
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146 | # define expect(expr,value) (expr) |
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147 | # define INLINE static |
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148 | #endif |
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149 | |
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150 | #define expect_false(expr) expect ((expr) != 0, 0) |
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151 | #define expect_true(expr) expect ((expr) != 0, 1) |
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152 | |
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153 | #define NOINLINE attribute ((noinline)) |
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154 | |
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155 | #include "CoroAPI.h" |
87 | #include "CoroAPI.h" |
156 | #define GCoroAPI (&coroapi) /* very sneaky */ |
88 | #define GCoroAPI (&coroapi) /* very sneaky */ |
157 | |
89 | |
158 | #ifdef USE_ITHREADS |
90 | #ifdef USE_ITHREADS |
159 | # if CORO_PTHREAD |
91 | # if CORO_PTHREAD |
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175 | static void (*u2time)(pTHX_ UV ret[2]); |
107 | static void (*u2time)(pTHX_ UV ret[2]); |
176 | |
108 | |
177 | /* we hijack an hopefully unused CV flag for our purposes */ |
109 | /* we hijack an hopefully unused CV flag for our purposes */ |
178 | #define CVf_SLF 0x4000 |
110 | #define CVf_SLF 0x4000 |
179 | static OP *pp_slf (pTHX); |
111 | static OP *pp_slf (pTHX); |
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112 | static void slf_destroy (pTHX_ struct coro *coro); |
180 | |
113 | |
181 | static U32 cctx_gen; |
114 | static U32 cctx_gen; |
182 | static size_t cctx_stacksize = CORO_STACKSIZE; |
115 | static size_t cctx_stacksize = CORO_STACKSIZE; |
183 | static struct CoroAPI coroapi; |
116 | static struct CoroAPI coroapi; |
184 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
117 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
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201 | static SV *sv_pool_size; |
134 | static SV *sv_pool_size; |
202 | static SV *sv_async_pool_idle; /* description string */ |
135 | static SV *sv_async_pool_idle; /* description string */ |
203 | static AV *av_async_pool; /* idle pool */ |
136 | static AV *av_async_pool; /* idle pool */ |
204 | static SV *sv_Coro; /* class string */ |
137 | static SV *sv_Coro; /* class string */ |
205 | static CV *cv_pool_handler; |
138 | static CV *cv_pool_handler; |
206 | static CV *cv_coro_state_new; |
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207 | |
139 | |
208 | /* Coro::AnyEvent */ |
140 | /* Coro::AnyEvent */ |
209 | static SV *sv_activity; |
141 | static SV *sv_activity; |
210 | |
142 | |
211 | /* enable processtime/realtime profiling */ |
143 | /* enable processtime/realtime profiling */ |
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215 | static char times_valid; |
147 | static char times_valid; |
216 | |
148 | |
217 | static struct coro_cctx *cctx_first; |
149 | static struct coro_cctx *cctx_first; |
218 | static int cctx_count, cctx_idle; |
150 | static int cctx_count, cctx_idle; |
219 | |
151 | |
220 | enum { |
152 | enum |
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153 | { |
221 | CC_MAPPED = 0x01, |
154 | CC_MAPPED = 0x01, |
222 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
155 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
223 | CC_TRACE = 0x04, |
156 | CC_TRACE = 0x04, |
224 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
157 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
225 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
158 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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230 | typedef struct coro_cctx |
163 | typedef struct coro_cctx |
231 | { |
164 | { |
232 | struct coro_cctx *next; |
165 | struct coro_cctx *next; |
233 | |
166 | |
234 | /* the stack */ |
167 | /* the stack */ |
235 | void *sptr; |
168 | struct coro_stack stack; |
236 | size_t ssize; |
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237 | |
169 | |
238 | /* cpu state */ |
170 | /* cpu state */ |
239 | 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 |
240 | 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 |
241 | JMPENV *top_env; |
175 | JMPENV *top_env; |
242 | coro_context cctx; |
176 | coro_context cctx; |
243 | |
177 | |
244 | U32 gen; |
178 | U32 gen; |
245 | #if CORO_USE_VALGRIND |
179 | #if CORO_USE_VALGRIND |
246 | int valgrind_id; |
180 | int valgrind_id; |
247 | #endif |
181 | #endif |
248 | unsigned char flags; |
182 | unsigned char flags; |
249 | } coro_cctx; |
183 | } coro_cctx; |
250 | |
184 | |
251 | coro_cctx *cctx_current; /* the currently running cctx */ |
185 | static coro_cctx *cctx_current; /* the currently running cctx */ |
252 | |
186 | |
253 | /*****************************************************************************/ |
187 | /*****************************************************************************/ |
254 | |
188 | |
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189 | static MGVTBL coro_state_vtbl; |
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190 | |
255 | enum { |
191 | enum |
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192 | { |
256 | CF_RUNNING = 0x0001, /* coroutine is running */ |
193 | CF_RUNNING = 0x0001, /* coroutine is running */ |
257 | CF_READY = 0x0002, /* coroutine is ready */ |
194 | CF_READY = 0x0002, /* coroutine is ready */ |
258 | CF_NEW = 0x0004, /* has never been switched to */ |
195 | CF_NEW = 0x0004, /* has never been switched to */ |
259 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
196 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
260 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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) */ |
261 | }; |
199 | }; |
262 | |
200 | |
263 | /* 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 */ |
264 | typedef struct |
202 | typedef struct |
265 | { |
203 | { |
266 | SV *defsv; |
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267 | AV *defav; |
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268 | SV *errsv; |
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269 | SV *irsgv; |
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270 | HV *hinthv; |
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271 | #define VAR(name,type) type name; |
204 | #define VARx(name,expr,type) type name; |
272 | # include "state.h" |
205 | #include "state.h" |
273 | #undef VAR |
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274 | } perl_slots; |
206 | } perl_slots; |
275 | |
207 | |
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208 | /* how many context stack entries do we need for perl_slots */ |
276 | #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)) |
277 | |
210 | |
278 | /* this is a structure representing a perl-level coroutine */ |
211 | /* this is a structure representing a perl-level coroutine */ |
279 | struct coro { |
212 | struct coro |
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213 | { |
280 | /* the C coroutine allocated to this perl coroutine, if any */ |
214 | /* the C coroutine allocated to this perl coroutine, if any */ |
281 | coro_cctx *cctx; |
215 | coro_cctx *cctx; |
282 | |
216 | |
283 | /* ready queue */ |
217 | /* ready queue */ |
284 | struct coro *next_ready; |
218 | struct coro *next_ready; |
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286 | /* state data */ |
220 | /* state data */ |
287 | struct CoroSLF slf_frame; /* saved slf frame */ |
221 | struct CoroSLF slf_frame; /* saved slf frame */ |
288 | AV *mainstack; |
222 | AV *mainstack; |
289 | perl_slots *slot; /* basically the saved sp */ |
223 | perl_slots *slot; /* basically the saved sp */ |
290 | |
224 | |
291 | CV *startcv; /* the CV to execute */ |
225 | CV *startcv; /* the CV to execute */ |
292 | AV *args; /* data associated with this coroutine (initial args) */ |
226 | AV *args; /* data associated with this coroutine (initial args) */ |
293 | int refcnt; /* coroutines are refcounted, yes */ |
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294 | int flags; /* CF_ flags */ |
227 | int flags; /* CF_ flags */ |
295 | HV *hv; /* the perl hash associated with this coro, if any */ |
228 | HV *hv; /* the perl hash associated with this coro, if any */ |
296 | void (*on_destroy)(pTHX_ struct coro *coro); |
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297 | |
229 | |
298 | /* statistics */ |
230 | /* statistics */ |
299 | int usecount; /* number of transfers to this coro */ |
231 | int usecount; /* number of transfers to this coro */ |
300 | |
232 | |
301 | /* coro process data */ |
233 | /* coro process data */ |
302 | int prio; |
234 | int prio; |
303 | SV *except; /* exception to be thrown */ |
235 | SV *except; /* exception to be thrown */ |
304 | 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 */ |
305 | |
239 | |
306 | /* async_pool */ |
240 | /* async_pool */ |
307 | SV *saved_deffh; |
241 | SV *saved_deffh; |
308 | SV *invoke_cb; |
242 | SV *invoke_cb; |
309 | AV *invoke_av; |
243 | AV *invoke_av; |
310 | |
244 | |
311 | /* on_enter/on_leave */ |
245 | /* on_enter/on_leave */ |
312 | AV *on_enter; |
246 | AV *on_enter; |
313 | AV *on_leave; |
247 | AV *on_leave; |
314 | |
248 | |
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249 | /* swap_sv */ |
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250 | AV *swap_sv; |
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251 | |
315 | /* times */ |
252 | /* times */ |
316 | coro_ts t_cpu, t_real; |
253 | coro_ts t_cpu, t_real; |
317 | |
254 | |
318 | /* linked list */ |
255 | /* linked list */ |
319 | struct coro *next, *prev; |
256 | struct coro *next, *prev; |
… | |
… | |
322 | typedef struct coro *Coro__State; |
259 | typedef struct coro *Coro__State; |
323 | typedef struct coro *Coro__State_or_hashref; |
260 | typedef struct coro *Coro__State_or_hashref; |
324 | |
261 | |
325 | /* the following variables are effectively part of the perl context */ |
262 | /* the following variables are effectively part of the perl context */ |
326 | /* and get copied between struct coro and these variables */ |
263 | /* and get copied between struct coro and these variables */ |
327 | /* the mainr easonw e don't support windows process emulation */ |
264 | /* the main reason we don't support windows process emulation */ |
328 | static struct CoroSLF slf_frame; /* the current slf frame */ |
265 | static struct CoroSLF slf_frame; /* the current slf frame */ |
329 | |
266 | |
330 | /** Coro ********************************************************************/ |
267 | /** Coro ********************************************************************/ |
331 | |
268 | |
332 | #define CORO_PRIO_MAX 3 |
269 | #define CORO_PRIO_MAX 3 |
… | |
… | |
338 | |
275 | |
339 | /* for Coro.pm */ |
276 | /* for Coro.pm */ |
340 | static SV *coro_current; |
277 | static SV *coro_current; |
341 | static SV *coro_readyhook; |
278 | static SV *coro_readyhook; |
342 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
279 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
343 | static CV *cv_coro_run, *cv_coro_terminate; |
280 | static CV *cv_coro_run; |
344 | static struct coro *coro_first; |
281 | static struct coro *coro_first; |
345 | #define coro_nready coroapi.nready |
282 | #define coro_nready coroapi.nready |
346 | |
283 | |
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284 | /** JIT *********************************************************************/ |
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285 | |
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286 | #if CORO_JIT |
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287 | /* APPLE doesn't have mmap though */ |
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288 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
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289 | #ifndef CORO_JIT_TYPE |
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290 | #if ECB_AMD64 && CORO_JIT_UNIXY |
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291 | #define CORO_JIT_TYPE "amd64-unix" |
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292 | #elif __i386 && CORO_JIT_UNIXY |
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293 | #define CORO_JIT_TYPE "x86-unix" |
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294 | #endif |
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295 | #endif |
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296 | #endif |
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297 | |
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298 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
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299 | #undef CORO_JIT |
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300 | #endif |
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301 | |
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302 | #if CORO_JIT |
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303 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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304 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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305 | #endif |
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306 | |
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307 | /** Coro::Select ************************************************************/ |
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308 | |
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309 | static OP *(*coro_old_pp_sselect) (pTHX); |
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310 | static SV *coro_select_select; |
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311 | |
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312 | /* horrible hack, but if it works... */ |
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313 | static OP * |
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314 | coro_pp_sselect (pTHX) |
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315 | { |
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316 | dSP; |
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317 | PUSHMARK (SP - 4); /* fake argument list */ |
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318 | XPUSHs (coro_select_select); |
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319 | PUTBACK; |
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320 | |
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321 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
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322 | PL_op->op_flags |= OPf_STACKED; |
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323 | PL_op->op_private = 0; |
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324 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
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325 | } |
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326 | |
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327 | /** time stuff **************************************************************/ |
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328 | |
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329 | #ifdef HAS_GETTIMEOFDAY |
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330 | |
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331 | ecb_inline void |
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332 | coro_u2time (pTHX_ UV ret[2]) |
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333 | { |
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334 | struct timeval tv; |
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335 | gettimeofday (&tv, 0); |
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336 | |
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337 | ret [0] = tv.tv_sec; |
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338 | ret [1] = tv.tv_usec; |
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339 | } |
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340 | |
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341 | ecb_inline double |
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342 | coro_nvtime (void) |
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343 | { |
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344 | struct timeval tv; |
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345 | gettimeofday (&tv, 0); |
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346 | |
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347 | return tv.tv_sec + tv.tv_usec * 1e-6; |
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348 | } |
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349 | |
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350 | ecb_inline void |
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351 | time_init (pTHX) |
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352 | { |
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353 | nvtime = coro_nvtime; |
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354 | u2time = coro_u2time; |
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355 | } |
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356 | |
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357 | #else |
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358 | |
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359 | ecb_inline void |
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360 | time_init (pTHX) |
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361 | { |
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362 | SV **svp; |
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363 | |
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364 | require_pv ("Time/HiRes.pm"); |
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365 | |
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366 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
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367 | |
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368 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
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369 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
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370 | |
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371 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
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372 | |
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373 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
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374 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
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375 | } |
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376 | |
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377 | #endif |
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378 | |
347 | /** lowlevel stuff **********************************************************/ |
379 | /** lowlevel stuff **********************************************************/ |
348 | |
380 | |
349 | static SV * |
381 | static SV * ecb_noinline |
350 | coro_get_sv (pTHX_ const char *name, int create) |
382 | coro_get_sv (pTHX_ const char *name, int create) |
351 | { |
383 | { |
352 | #if PERL_VERSION_ATLEAST (5,10,0) |
384 | #if PERL_VERSION_ATLEAST (5,10,0) |
353 | /* 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 */ |
354 | get_sv (name, create); |
386 | get_sv (name, create); |
355 | #endif |
387 | #endif |
356 | return get_sv (name, create); |
388 | return get_sv (name, create); |
357 | } |
389 | } |
358 | |
390 | |
359 | static AV * |
391 | static AV * ecb_noinline |
360 | coro_get_av (pTHX_ const char *name, int create) |
392 | coro_get_av (pTHX_ const char *name, int create) |
361 | { |
393 | { |
362 | #if PERL_VERSION_ATLEAST (5,10,0) |
394 | #if PERL_VERSION_ATLEAST (5,10,0) |
363 | /* 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 */ |
364 | get_av (name, create); |
396 | get_av (name, create); |
365 | #endif |
397 | #endif |
366 | return get_av (name, create); |
398 | return get_av (name, create); |
367 | } |
399 | } |
368 | |
400 | |
369 | static HV * |
401 | static HV * ecb_noinline |
370 | coro_get_hv (pTHX_ const char *name, int create) |
402 | coro_get_hv (pTHX_ const char *name, int create) |
371 | { |
403 | { |
372 | #if PERL_VERSION_ATLEAST (5,10,0) |
404 | #if PERL_VERSION_ATLEAST (5,10,0) |
373 | /* 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 */ |
374 | get_hv (name, create); |
406 | get_hv (name, create); |
375 | #endif |
407 | #endif |
376 | return get_hv (name, create); |
408 | return get_hv (name, create); |
377 | } |
409 | } |
378 | |
410 | |
379 | /* may croak */ |
411 | ecb_inline void |
380 | INLINE CV * |
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381 | coro_sv_2cv (pTHX_ SV *sv) |
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382 | { |
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383 | HV *st; |
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384 | GV *gvp; |
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385 | CV *cv = sv_2cv (sv, &st, &gvp, 0); |
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386 | |
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387 | if (!cv) |
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388 | croak ("code reference expected"); |
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389 | |
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390 | return cv; |
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391 | } |
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392 | |
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393 | INLINE void |
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394 | coro_times_update () |
412 | coro_times_update (void) |
395 | { |
413 | { |
396 | #ifdef coro_clock_gettime |
414 | #ifdef coro_clock_gettime |
397 | struct timespec ts; |
415 | struct timespec ts; |
398 | |
416 | |
399 | ts.tv_sec = ts.tv_nsec = 0; |
417 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
405 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
423 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
406 | #else |
424 | #else |
407 | dTHX; |
425 | dTHX; |
408 | UV tv[2]; |
426 | UV tv[2]; |
409 | |
427 | |
410 | u2time (aTHX_ &tv); |
428 | u2time (aTHX_ tv); |
411 | time_real [0] = tv [0]; |
429 | time_real [0] = tv [0]; |
412 | time_real [1] = tv [1] * 1000; |
430 | time_real [1] = tv [1] * 1000; |
413 | #endif |
431 | #endif |
414 | } |
432 | } |
415 | |
433 | |
416 | INLINE void |
434 | ecb_inline void |
417 | coro_times_add (struct coro *c) |
435 | coro_times_add (struct coro *c) |
418 | { |
436 | { |
419 | c->t_real [1] += time_real [1]; |
437 | c->t_real [1] += time_real [1]; |
420 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
438 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
421 | c->t_real [0] += time_real [0]; |
439 | c->t_real [0] += time_real [0]; |
… | |
… | |
423 | c->t_cpu [1] += time_cpu [1]; |
441 | c->t_cpu [1] += time_cpu [1]; |
424 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
442 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
425 | c->t_cpu [0] += time_cpu [0]; |
443 | c->t_cpu [0] += time_cpu [0]; |
426 | } |
444 | } |
427 | |
445 | |
428 | INLINE void |
446 | ecb_inline void |
429 | coro_times_sub (struct coro *c) |
447 | coro_times_sub (struct coro *c) |
430 | { |
448 | { |
431 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
449 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
432 | c->t_real [1] -= time_real [1]; |
450 | c->t_real [1] -= time_real [1]; |
433 | c->t_real [0] -= time_real [0]; |
451 | c->t_real [0] -= time_real [0]; |
… | |
… | |
441 | /* magic glue */ |
459 | /* magic glue */ |
442 | |
460 | |
443 | #define CORO_MAGIC_type_cv 26 |
461 | #define CORO_MAGIC_type_cv 26 |
444 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
462 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
445 | |
463 | |
446 | #define CORO_MAGIC_NN(sv, type) \ |
464 | #define CORO_MAGIC_NN(sv, type) \ |
447 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
465 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
448 | ? SvMAGIC (sv) \ |
466 | ? SvMAGIC (sv) \ |
449 | : mg_find (sv, type)) |
467 | : mg_find (sv, type)) |
450 | |
468 | |
451 | #define CORO_MAGIC(sv, type) \ |
469 | #define CORO_MAGIC(sv, type) \ |
452 | (expect_true (SvMAGIC (sv)) \ |
470 | (ecb_expect_true (SvMAGIC (sv)) \ |
453 | ? CORO_MAGIC_NN (sv, type) \ |
471 | ? CORO_MAGIC_NN (sv, type) \ |
454 | : 0) |
472 | : 0) |
455 | |
473 | |
456 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
474 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
457 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
475 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
458 | |
476 | |
459 | INLINE struct coro * |
477 | ecb_inline MAGIC * |
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478 | SvSTATEhv_p (pTHX_ SV *coro) |
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479 | { |
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480 | MAGIC *mg; |
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481 | |
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482 | if (ecb_expect_true ( |
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483 | SvTYPE (coro) == SVt_PVHV |
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484 | && (mg = CORO_MAGIC_state (coro)) |
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485 | && mg->mg_virtual == &coro_state_vtbl |
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486 | )) |
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487 | return mg; |
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488 | |
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489 | return 0; |
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490 | } |
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491 | |
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492 | ecb_inline struct coro * |
460 | SvSTATE_ (pTHX_ SV *coro) |
493 | SvSTATE_ (pTHX_ SV *coro) |
461 | { |
494 | { |
462 | HV *stash; |
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463 | MAGIC *mg; |
495 | MAGIC *mg; |
464 | |
496 | |
465 | if (SvROK (coro)) |
497 | if (SvROK (coro)) |
466 | coro = SvRV (coro); |
498 | coro = SvRV (coro); |
467 | |
499 | |
468 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
500 | mg = SvSTATEhv_p (aTHX_ coro); |
|
|
501 | if (!mg) |
469 | croak ("Coro::State object required"); |
502 | croak ("Coro::State object required"); |
470 | |
503 | |
471 | stash = SvSTASH (coro); |
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472 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
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473 | { |
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474 | /* very slow, but rare, check */ |
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475 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
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476 | croak ("Coro::State object required"); |
|
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477 | } |
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478 | |
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479 | mg = CORO_MAGIC_state (coro); |
|
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480 | return (struct coro *)mg->mg_ptr; |
504 | return (struct coro *)mg->mg_ptr; |
481 | } |
505 | } |
482 | |
506 | |
483 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
507 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
484 | |
508 | |
… | |
… | |
487 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
511 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
488 | |
512 | |
489 | /*****************************************************************************/ |
513 | /*****************************************************************************/ |
490 | /* padlist management and caching */ |
514 | /* padlist management and caching */ |
491 | |
515 | |
492 | static AV * |
516 | ecb_inline PADLIST * |
493 | coro_derive_padlist (pTHX_ CV *cv) |
517 | coro_derive_padlist (pTHX_ CV *cv) |
494 | { |
518 | { |
495 | AV *padlist = CvPADLIST (cv); |
519 | PADLIST *padlist = CvPADLIST (cv); |
496 | AV *newpadlist, *newpad; |
520 | PADLIST *newpadlist; |
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521 | PAD *newpad; |
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|
522 | PADOFFSET off = PadlistMAX (padlist) + 1; |
497 | |
523 | |
498 | newpadlist = newAV (); |
524 | #if NEWPADAPI |
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525 | |
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|
526 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
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527 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
528 | while (!PadlistARRAY (padlist)[off - 1]) |
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|
529 | --off; |
|
|
530 | |
|
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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) |
|
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539 | Perl_pad_push (aTHX_ padlist, off); |
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540 | #else |
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541 | Perl_pad_push (aTHX_ padlist, off, 1); |
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|
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. */ |
499 | AvREAL_off (newpadlist); |
552 | AvREAL_off (newpadlist); |
500 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
501 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
502 | #else |
|
|
503 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
504 | #endif |
553 | #endif |
505 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
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506 | --AvFILLp (padlist); |
|
|
507 | |
554 | |
508 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
555 | /* Already extended to 2 elements by newPADLIST. */ |
509 | av_store (newpadlist, 1, (SV *)newpad); |
556 | PadlistMAX (newpadlist) = 1; |
|
|
557 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
|
|
558 | PadlistARRAY (newpadlist)[1] = newpad; |
510 | |
559 | |
511 | return newpadlist; |
560 | return newpadlist; |
512 | } |
561 | } |
513 | |
562 | |
514 | static void |
563 | ecb_inline void |
515 | free_padlist (pTHX_ AV *padlist) |
564 | free_padlist (pTHX_ PADLIST *padlist) |
516 | { |
565 | { |
517 | /* may be during global destruction */ |
566 | /* may be during global destruction */ |
518 | if (!IN_DESTRUCT) |
567 | if (!IN_DESTRUCT) |
519 | { |
568 | { |
520 | I32 i = AvFILLp (padlist); |
569 | I32 i = PadlistMAX (padlist); |
521 | |
570 | |
522 | while (i > 0) /* special-case index 0 */ |
571 | while (i > 0) /* special-case index 0 */ |
523 | { |
572 | { |
524 | /* we try to be extra-careful here */ |
573 | /* we try to be extra-careful here */ |
525 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
574 | PAD *pad = PadlistARRAY (padlist)[i--]; |
526 | I32 j = AvFILLp (av); |
575 | I32 j = PadMAX (pad); |
527 | |
576 | |
528 | while (j >= 0) |
577 | while (j >= 0) |
529 | SvREFCNT_dec (AvARRAY (av)[j--]); |
578 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
530 | |
579 | |
531 | AvFILLp (av) = -1; |
580 | PadMAX (pad) = -1; |
532 | SvREFCNT_dec (av); |
581 | SvREFCNT_dec (pad); |
533 | } |
582 | } |
534 | |
583 | |
535 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
584 | SvREFCNT_dec (PadlistNAMES (padlist)); |
536 | |
585 | |
|
|
586 | #if NEWPADAPI |
|
|
587 | Safefree (PadlistARRAY (padlist)); |
|
|
588 | Safefree (padlist); |
|
|
589 | #else |
537 | AvFILLp (padlist) = -1; |
590 | AvFILLp (padlist) = -1; |
|
|
591 | AvREAL_off (padlist); |
538 | SvREFCNT_dec ((SV*)padlist); |
592 | SvREFCNT_dec ((SV*)padlist); |
|
|
593 | #endif |
539 | } |
594 | } |
540 | } |
595 | } |
541 | |
596 | |
542 | static int |
597 | static int |
543 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
598 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
544 | { |
599 | { |
545 | AV *padlist; |
600 | PADLIST *padlist; |
546 | AV *av = (AV *)mg->mg_obj; |
601 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
602 | size_t len = *(size_t *)mg->mg_ptr; |
547 | |
603 | |
548 | /* perl manages to free our internal AV and _then_ call us */ |
604 | /* perl manages to free our internal AV and _then_ call us */ |
549 | if (IN_DESTRUCT) |
605 | if (IN_DESTRUCT) |
550 | return; |
606 | return 0; |
551 | |
607 | |
552 | /* casting is fun. */ |
608 | while (len--) |
553 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
554 | free_padlist (aTHX_ padlist); |
609 | free_padlist (aTHX_ padlists[len]); |
555 | |
|
|
556 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
557 | |
610 | |
558 | return 0; |
611 | return 0; |
559 | } |
612 | } |
560 | |
613 | |
561 | static MGVTBL coro_cv_vtbl = { |
614 | static MGVTBL coro_cv_vtbl = { |
562 | 0, 0, 0, 0, |
615 | 0, 0, 0, 0, |
563 | coro_cv_free |
616 | coro_cv_free |
564 | }; |
617 | }; |
565 | |
618 | |
566 | /* the next two functions merely cache the padlists */ |
619 | /* the next two functions merely cache the padlists */ |
567 | static void |
620 | ecb_inline void |
568 | get_padlist (pTHX_ CV *cv) |
621 | get_padlist (pTHX_ CV *cv) |
569 | { |
622 | { |
570 | MAGIC *mg = CORO_MAGIC_cv (cv); |
623 | MAGIC *mg = CORO_MAGIC_cv (cv); |
571 | AV *av; |
624 | size_t *lenp; |
572 | |
625 | |
573 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
626 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
574 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
627 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
575 | else |
628 | else |
576 | { |
629 | { |
577 | #if CORO_PREFER_PERL_FUNCTIONS |
630 | #if CORO_PREFER_PERL_FUNCTIONS |
578 | /* this is probably cleaner? but also slower! */ |
631 | /* this is probably cleaner? but also slower! */ |
579 | /* in practise, it seems to be less stable */ |
632 | /* in practise, it seems to be less stable */ |
… | |
… | |
585 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
638 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
586 | #endif |
639 | #endif |
587 | } |
640 | } |
588 | } |
641 | } |
589 | |
642 | |
590 | static void |
643 | ecb_inline void |
591 | put_padlist (pTHX_ CV *cv) |
644 | put_padlist (pTHX_ CV *cv) |
592 | { |
645 | { |
593 | MAGIC *mg = CORO_MAGIC_cv (cv); |
646 | MAGIC *mg = CORO_MAGIC_cv (cv); |
594 | AV *av; |
|
|
595 | |
647 | |
596 | if (expect_false (!mg)) |
648 | if (ecb_expect_false (!mg)) |
|
|
649 | { |
597 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
650 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
651 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
652 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
653 | } |
|
|
654 | else |
|
|
655 | Renew (mg->mg_ptr, |
|
|
656 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
657 | char); |
598 | |
658 | |
599 | av = (AV *)mg->mg_obj; |
659 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
600 | |
|
|
601 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
602 | av_extend (av, AvFILLp (av) + 1); |
|
|
603 | |
|
|
604 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
605 | } |
660 | } |
606 | |
661 | |
607 | /** load & save, init *******************************************************/ |
662 | /** load & save, init *******************************************************/ |
|
|
663 | |
|
|
664 | ecb_inline void |
|
|
665 | swap_sv (SV *a, SV *b) |
|
|
666 | { |
|
|
667 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
668 | SV tmp; |
|
|
669 | |
|
|
670 | /* swap sv_any */ |
|
|
671 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
672 | |
|
|
673 | /* swap sv_flags */ |
|
|
674 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
675 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
676 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
677 | |
|
|
678 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
679 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
680 | * is much faster, so no quarrels here. alternatively, we could |
|
|
681 | * sv_upgrade to avoid this. |
|
|
682 | */ |
|
|
683 | { |
|
|
684 | /* swap sv_u */ |
|
|
685 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
686 | |
|
|
687 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
688 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
689 | */ |
|
|
690 | #define svany_in_head(type) \ |
|
|
691 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
692 | |
|
|
693 | if (svany_in_head (SvTYPE (a))) |
|
|
694 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
695 | |
|
|
696 | if (svany_in_head (SvTYPE (b))) |
|
|
697 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
698 | } |
|
|
699 | #endif |
|
|
700 | } |
|
|
701 | |
|
|
702 | /* swap sv heads, at least logically */ |
|
|
703 | static void |
|
|
704 | swap_svs (pTHX_ Coro__State c) |
|
|
705 | { |
|
|
706 | int i; |
|
|
707 | |
|
|
708 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
|
|
709 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
710 | } |
|
|
711 | |
|
|
712 | #define SWAP_SVS(coro) \ |
|
|
713 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
714 | swap_svs (aTHX_ (coro)) |
608 | |
715 | |
609 | static void |
716 | static void |
610 | on_enterleave_call (pTHX_ SV *cb); |
717 | on_enterleave_call (pTHX_ SV *cb); |
611 | |
718 | |
612 | static void |
719 | static void |
… | |
… | |
615 | perl_slots *slot = c->slot; |
722 | perl_slots *slot = c->slot; |
616 | c->slot = 0; |
723 | c->slot = 0; |
617 | |
724 | |
618 | PL_mainstack = c->mainstack; |
725 | PL_mainstack = c->mainstack; |
619 | |
726 | |
620 | GvSV (PL_defgv) = slot->defsv; |
727 | #if CORO_JIT |
621 | GvAV (PL_defgv) = slot->defav; |
728 | load_perl_slots (slot); |
622 | GvSV (PL_errgv) = slot->errsv; |
729 | #else |
623 | GvSV (irsgv) = slot->irsgv; |
|
|
624 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
625 | |
|
|
626 | #define VAR(name,type) PL_ ## name = slot->name; |
730 | #define VARx(name,expr,type) expr = slot->name; |
627 | # include "state.h" |
731 | #include "state.h" |
628 | #undef VAR |
732 | #endif |
629 | |
733 | |
630 | { |
734 | { |
631 | dSP; |
735 | dSP; |
632 | |
736 | |
633 | CV *cv; |
737 | CV *cv; |
634 | |
738 | |
635 | /* now do the ugly restore mess */ |
739 | /* now do the ugly restore mess */ |
636 | while (expect_true (cv = (CV *)POPs)) |
740 | while (ecb_expect_true (cv = (CV *)POPs)) |
637 | { |
741 | { |
638 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
742 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
639 | CvDEPTH (cv) = PTR2IV (POPs); |
743 | CvDEPTH (cv) = PTR2IV (POPs); |
640 | CvPADLIST (cv) = (AV *)POPs; |
744 | CvPADLIST (cv) = (PADLIST *)POPs; |
641 | } |
745 | } |
642 | |
746 | |
643 | PUTBACK; |
747 | PUTBACK; |
644 | } |
748 | } |
645 | |
749 | |
646 | slf_frame = c->slf_frame; |
750 | slf_frame = c->slf_frame; |
647 | CORO_THROW = c->except; |
751 | CORO_THROW = c->except; |
648 | |
752 | |
649 | if (expect_false (enable_times)) |
753 | if (ecb_expect_false (enable_times)) |
650 | { |
754 | { |
651 | if (expect_false (!times_valid)) |
755 | if (ecb_expect_false (!times_valid)) |
652 | coro_times_update (); |
756 | coro_times_update (); |
653 | |
757 | |
654 | coro_times_sub (c); |
758 | coro_times_sub (c); |
655 | } |
759 | } |
656 | |
760 | |
657 | if (expect_false (c->on_enter)) |
761 | if (ecb_expect_false (c->on_enter)) |
658 | { |
762 | { |
659 | int i; |
763 | int i; |
660 | |
764 | |
661 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
765 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
662 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
766 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
663 | } |
767 | } |
|
|
768 | |
|
|
769 | SWAP_SVS (c); |
664 | } |
770 | } |
665 | |
771 | |
666 | static void |
772 | static void |
667 | save_perl (pTHX_ Coro__State c) |
773 | save_perl (pTHX_ Coro__State c) |
668 | { |
774 | { |
|
|
775 | SWAP_SVS (c); |
|
|
776 | |
669 | if (expect_false (c->on_leave)) |
777 | if (ecb_expect_false (c->on_leave)) |
670 | { |
778 | { |
671 | int i; |
779 | int i; |
672 | |
780 | |
673 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
781 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
674 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
782 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
675 | } |
783 | } |
676 | |
784 | |
677 | times_valid = 0; |
785 | times_valid = 0; |
678 | |
786 | |
679 | if (expect_false (enable_times)) |
787 | if (ecb_expect_false (enable_times)) |
680 | { |
788 | { |
681 | coro_times_update (); times_valid = 1; |
789 | coro_times_update (); times_valid = 1; |
682 | coro_times_add (c); |
790 | coro_times_add (c); |
683 | } |
791 | } |
684 | |
792 | |
… | |
… | |
698 | |
806 | |
699 | XPUSHs (Nullsv); |
807 | XPUSHs (Nullsv); |
700 | /* this loop was inspired by pp_caller */ |
808 | /* this loop was inspired by pp_caller */ |
701 | for (;;) |
809 | for (;;) |
702 | { |
810 | { |
703 | while (expect_true (cxix >= 0)) |
811 | while (ecb_expect_true (cxix >= 0)) |
704 | { |
812 | { |
705 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
813 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
706 | |
814 | |
707 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
815 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
708 | { |
816 | { |
709 | CV *cv = cx->blk_sub.cv; |
817 | CV *cv = cx->blk_sub.cv; |
710 | |
818 | |
711 | if (expect_true (CvDEPTH (cv))) |
819 | if (ecb_expect_true (CvDEPTH (cv))) |
712 | { |
820 | { |
713 | EXTEND (SP, 3); |
821 | EXTEND (SP, 3); |
714 | PUSHs ((SV *)CvPADLIST (cv)); |
822 | PUSHs ((SV *)CvPADLIST (cv)); |
715 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
823 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
716 | PUSHs ((SV *)cv); |
824 | PUSHs ((SV *)cv); |
… | |
… | |
719 | get_padlist (aTHX_ cv); |
827 | get_padlist (aTHX_ cv); |
720 | } |
828 | } |
721 | } |
829 | } |
722 | } |
830 | } |
723 | |
831 | |
724 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
832 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
725 | break; |
833 | break; |
726 | |
834 | |
727 | top_si = top_si->si_prev; |
835 | top_si = top_si->si_prev; |
728 | ccstk = top_si->si_cxstack; |
836 | ccstk = top_si->si_cxstack; |
729 | cxix = top_si->si_cxix; |
837 | cxix = top_si->si_cxix; |
… | |
… | |
731 | |
839 | |
732 | PUTBACK; |
840 | PUTBACK; |
733 | } |
841 | } |
734 | |
842 | |
735 | /* allocate some space on the context stack for our purposes */ |
843 | /* allocate some space on the context stack for our purposes */ |
736 | /* we manually unroll here, as usually 2 slots is enough */ |
844 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
737 | if (SLOT_COUNT >= 1) CXINC; |
|
|
738 | if (SLOT_COUNT >= 2) CXINC; |
|
|
739 | if (SLOT_COUNT >= 3) CXINC; |
|
|
740 | { |
845 | { |
741 | int i; |
846 | unsigned int i; |
|
|
847 | |
742 | for (i = 3; i < SLOT_COUNT; ++i) |
848 | for (i = 0; i < SLOT_COUNT; ++i) |
743 | CXINC; |
849 | CXINC; |
744 | } |
850 | |
745 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
851 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
852 | } |
746 | |
853 | |
747 | c->mainstack = PL_mainstack; |
854 | c->mainstack = PL_mainstack; |
748 | |
855 | |
749 | { |
856 | { |
750 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
857 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
751 | |
858 | |
752 | slot->defav = GvAV (PL_defgv); |
859 | #if CORO_JIT |
753 | slot->defsv = DEFSV; |
860 | save_perl_slots (slot); |
754 | slot->errsv = ERRSV; |
861 | #else |
755 | slot->irsgv = GvSV (irsgv); |
|
|
756 | slot->hinthv = GvHV (PL_hintgv); |
|
|
757 | |
|
|
758 | #define VAR(name,type) slot->name = PL_ ## name; |
862 | #define VARx(name,expr,type) slot->name = expr; |
759 | # include "state.h" |
863 | #include "state.h" |
760 | #undef VAR |
864 | #endif |
761 | } |
865 | } |
762 | } |
866 | } |
763 | |
867 | |
764 | /* |
868 | /* |
765 | * allocate various perl stacks. This is almost an exact copy |
869 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
771 | # define coro_init_stacks(thx) init_stacks () |
875 | # define coro_init_stacks(thx) init_stacks () |
772 | #else |
876 | #else |
773 | static void |
877 | static void |
774 | coro_init_stacks (pTHX) |
878 | coro_init_stacks (pTHX) |
775 | { |
879 | { |
776 | PL_curstackinfo = new_stackinfo(32, 8); |
880 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
777 | PL_curstackinfo->si_type = PERLSI_MAIN; |
881 | PL_curstackinfo->si_type = PERLSI_MAIN; |
778 | PL_curstack = PL_curstackinfo->si_stack; |
882 | PL_curstack = PL_curstackinfo->si_stack; |
779 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
883 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
780 | |
884 | |
781 | PL_stack_base = AvARRAY(PL_curstack); |
885 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
796 | #endif |
900 | #endif |
797 | |
901 | |
798 | New(54,PL_scopestack,8,I32); |
902 | New(54,PL_scopestack,8,I32); |
799 | PL_scopestack_ix = 0; |
903 | PL_scopestack_ix = 0; |
800 | PL_scopestack_max = 8; |
904 | PL_scopestack_max = 8; |
|
|
905 | #if HAS_SCOPESTACK_NAME |
|
|
906 | New(54,PL_scopestack_name,8,const char*); |
|
|
907 | #endif |
801 | |
908 | |
802 | New(54,PL_savestack,24,ANY); |
909 | New(54,PL_savestack,24,ANY); |
803 | PL_savestack_ix = 0; |
910 | PL_savestack_ix = 0; |
804 | PL_savestack_max = 24; |
911 | PL_savestack_max = 24; |
805 | |
912 | |
… | |
… | |
833 | } |
940 | } |
834 | |
941 | |
835 | Safefree (PL_tmps_stack); |
942 | Safefree (PL_tmps_stack); |
836 | Safefree (PL_markstack); |
943 | Safefree (PL_markstack); |
837 | Safefree (PL_scopestack); |
944 | Safefree (PL_scopestack); |
|
|
945 | #if HAS_SCOPESTACK_NAME |
|
|
946 | Safefree (PL_scopestack_name); |
|
|
947 | #endif |
838 | Safefree (PL_savestack); |
948 | Safefree (PL_savestack); |
839 | #if !PERL_VERSION_ATLEAST (5,10,0) |
949 | #if !PERL_VERSION_ATLEAST (5,10,0) |
840 | Safefree (PL_retstack); |
950 | Safefree (PL_retstack); |
841 | #endif |
951 | #endif |
842 | } |
952 | } |
… | |
… | |
888 | #endif |
998 | #endif |
889 | |
999 | |
890 | /* |
1000 | /* |
891 | * This overrides the default magic get method of %SIG elements. |
1001 | * This overrides the default magic get method of %SIG elements. |
892 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1002 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
893 | * and instead of trying to save and restore the hash elements, we just provide |
1003 | * and instead of trying to save and restore the hash elements (extremely slow), |
894 | * readback here. |
1004 | * we just provide our own readback here. |
895 | */ |
1005 | */ |
896 | static int |
1006 | static int ecb_cold |
897 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1007 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
898 | { |
1008 | { |
899 | const char *s = MgPV_nolen_const (mg); |
1009 | const char *s = MgPV_nolen_const (mg); |
900 | |
1010 | |
901 | if (*s == '_') |
1011 | if (*s == '_') |
902 | { |
1012 | { |
903 | SV **svp = 0; |
1013 | SV **svp = 0; |
904 | |
1014 | |
905 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1015 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
906 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1016 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
907 | |
1017 | |
908 | if (svp) |
1018 | if (svp) |
909 | { |
1019 | { |
910 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1020 | SV *ssv; |
|
|
1021 | |
|
|
1022 | if (!*svp) |
|
|
1023 | ssv = &PL_sv_undef; |
|
|
1024 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1025 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1026 | else |
|
|
1027 | ssv = *svp; |
|
|
1028 | |
|
|
1029 | sv_setsv (sv, ssv); |
911 | return 0; |
1030 | return 0; |
912 | } |
1031 | } |
913 | } |
1032 | } |
914 | |
1033 | |
915 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1034 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
916 | } |
1035 | } |
917 | |
1036 | |
918 | static int |
1037 | static int ecb_cold |
919 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1038 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
920 | { |
1039 | { |
921 | const char *s = MgPV_nolen_const (mg); |
1040 | const char *s = MgPV_nolen_const (mg); |
922 | |
1041 | |
923 | if (*s == '_') |
1042 | if (*s == '_') |
… | |
… | |
937 | } |
1056 | } |
938 | |
1057 | |
939 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1058 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
940 | } |
1059 | } |
941 | |
1060 | |
942 | static int |
1061 | static int ecb_cold |
943 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1062 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
944 | { |
1063 | { |
945 | const char *s = MgPV_nolen_const (mg); |
1064 | const char *s = MgPV_nolen_const (mg); |
946 | |
1065 | |
947 | if (*s == '_') |
1066 | if (*s == '_') |
… | |
… | |
980 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1099 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
981 | { |
1100 | { |
982 | return 1; |
1101 | return 1; |
983 | } |
1102 | } |
984 | |
1103 | |
985 | static UNOP coro_setup_op; |
1104 | static UNOP init_perl_op; |
986 | |
1105 | |
987 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1106 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
988 | coro_setup (pTHX_ struct coro *coro) |
1107 | init_perl (pTHX_ struct coro *coro) |
989 | { |
1108 | { |
990 | /* |
1109 | /* |
991 | * emulate part of the perl startup here. |
1110 | * emulate part of the perl startup here. |
992 | */ |
1111 | */ |
993 | coro_init_stacks (aTHX); |
1112 | coro_init_stacks (aTHX); |
… | |
… | |
1000 | PL_comppad_name_fill = 0; |
1119 | PL_comppad_name_fill = 0; |
1001 | PL_comppad_name_floor = 0; |
1120 | PL_comppad_name_floor = 0; |
1002 | PL_curpm = 0; |
1121 | PL_curpm = 0; |
1003 | PL_curpad = 0; |
1122 | PL_curpad = 0; |
1004 | PL_localizing = 0; |
1123 | PL_localizing = 0; |
1005 | PL_dirty = 0; |
|
|
1006 | PL_restartop = 0; |
1124 | PL_restartop = 0; |
1007 | #if PERL_VERSION_ATLEAST (5,10,0) |
1125 | #if PERL_VERSION_ATLEAST (5,10,0) |
1008 | PL_parser = 0; |
1126 | PL_parser = 0; |
1009 | #endif |
1127 | #endif |
1010 | PL_hints = 0; |
1128 | PL_hints = 0; |
1011 | |
1129 | |
1012 | /* recreate the die/warn hooks */ |
1130 | /* recreate the die/warn hooks */ |
1013 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1131 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1014 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1132 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1015 | |
1133 | |
1016 | GvSV (PL_defgv) = newSV (0); |
1134 | GvSV (PL_defgv) = newSV (0); |
1017 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1135 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1018 | GvSV (PL_errgv) = newSV (0); |
1136 | GvSV (PL_errgv) = newSV (0); |
1019 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1137 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1020 | GvHV (PL_hintgv) = 0; |
1138 | GvHV (PL_hintgv) = 0; |
… | |
… | |
1040 | /* this newly created coroutine might be run on an existing cctx which most |
1158 | /* this newly created coroutine might be run on an existing cctx which most |
1041 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1159 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1042 | */ |
1160 | */ |
1043 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1161 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1044 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1162 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1163 | slf_frame.destroy = 0; |
1045 | |
1164 | |
1046 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1165 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1047 | coro_setup_op.op_next = PL_op; |
1166 | init_perl_op.op_next = PL_op; |
1048 | coro_setup_op.op_type = OP_ENTERSUB; |
1167 | init_perl_op.op_type = OP_ENTERSUB; |
1049 | coro_setup_op.op_ppaddr = pp_slf; |
1168 | init_perl_op.op_ppaddr = pp_slf; |
1050 | /* no flags etc. required, as an init function won't be called */ |
1169 | /* no flags etc. required, as an init function won't be called */ |
1051 | |
1170 | |
1052 | PL_op = (OP *)&coro_setup_op; |
1171 | PL_op = (OP *)&init_perl_op; |
1053 | |
1172 | |
1054 | /* copy throw, in case it was set before coro_setup */ |
1173 | /* copy throw, in case it was set before init_perl */ |
1055 | CORO_THROW = coro->except; |
1174 | CORO_THROW = coro->except; |
1056 | |
1175 | |
|
|
1176 | SWAP_SVS (coro); |
|
|
1177 | |
1057 | if (expect_false (enable_times)) |
1178 | if (ecb_expect_false (enable_times)) |
1058 | { |
1179 | { |
1059 | coro_times_update (); |
1180 | coro_times_update (); |
1060 | coro_times_sub (coro); |
1181 | coro_times_sub (coro); |
1061 | } |
1182 | } |
1062 | } |
1183 | } |
… | |
… | |
1081 | dounwind (-1); |
1202 | dounwind (-1); |
1082 | } |
1203 | } |
1083 | } |
1204 | } |
1084 | |
1205 | |
1085 | static void |
1206 | static void |
1086 | coro_destruct_perl (pTHX_ struct coro *coro) |
1207 | destroy_perl (pTHX_ struct coro *coro) |
1087 | { |
1208 | { |
1088 | SV *svf [9]; |
1209 | SV *svf [9]; |
1089 | |
1210 | |
1090 | { |
1211 | { |
|
|
1212 | SV *old_current = SvRV (coro_current); |
1091 | struct coro *current = SvSTATE_current; |
1213 | struct coro *current = SvSTATE (old_current); |
1092 | |
1214 | |
1093 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1215 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1094 | |
1216 | |
1095 | save_perl (aTHX_ current); |
1217 | save_perl (aTHX_ current); |
|
|
1218 | |
|
|
1219 | /* this will cause transfer_check to croak on block*/ |
|
|
1220 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1221 | |
1096 | load_perl (aTHX_ coro); |
1222 | load_perl (aTHX_ coro); |
1097 | |
1223 | |
1098 | coro_unwind_stacks (aTHX); |
1224 | coro_unwind_stacks (aTHX); |
|
|
1225 | |
|
|
1226 | /* restore swapped sv's */ |
|
|
1227 | SWAP_SVS (coro); |
|
|
1228 | |
1099 | coro_destruct_stacks (aTHX); |
1229 | coro_destruct_stacks (aTHX); |
1100 | |
1230 | |
1101 | // now save some sv's to be free'd later |
1231 | /* now save some sv's to be free'd later */ |
1102 | svf [0] = GvSV (PL_defgv); |
1232 | svf [0] = GvSV (PL_defgv); |
1103 | svf [1] = (SV *)GvAV (PL_defgv); |
1233 | svf [1] = (SV *)GvAV (PL_defgv); |
1104 | svf [2] = GvSV (PL_errgv); |
1234 | svf [2] = GvSV (PL_errgv); |
1105 | svf [3] = (SV *)PL_defoutgv; |
1235 | svf [3] = (SV *)PL_defoutgv; |
1106 | svf [4] = PL_rs; |
1236 | svf [4] = PL_rs; |
… | |
… | |
1108 | svf [6] = (SV *)GvHV (PL_hintgv); |
1238 | svf [6] = (SV *)GvHV (PL_hintgv); |
1109 | svf [7] = PL_diehook; |
1239 | svf [7] = PL_diehook; |
1110 | svf [8] = PL_warnhook; |
1240 | svf [8] = PL_warnhook; |
1111 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1241 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1112 | |
1242 | |
|
|
1243 | SvRV_set (coro_current, old_current); |
|
|
1244 | |
1113 | load_perl (aTHX_ current); |
1245 | load_perl (aTHX_ current); |
1114 | } |
1246 | } |
1115 | |
1247 | |
1116 | { |
1248 | { |
1117 | int i; |
1249 | unsigned int i; |
1118 | |
1250 | |
1119 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
1251 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
1120 | SvREFCNT_dec (svf [i]); |
1252 | SvREFCNT_dec (svf [i]); |
1121 | |
1253 | |
1122 | SvREFCNT_dec (coro->saved_deffh); |
1254 | SvREFCNT_dec (coro->saved_deffh); |
… | |
… | |
1124 | SvREFCNT_dec (coro->invoke_cb); |
1256 | SvREFCNT_dec (coro->invoke_cb); |
1125 | SvREFCNT_dec (coro->invoke_av); |
1257 | SvREFCNT_dec (coro->invoke_av); |
1126 | } |
1258 | } |
1127 | } |
1259 | } |
1128 | |
1260 | |
1129 | INLINE void |
1261 | ecb_inline void |
1130 | free_coro_mortal (pTHX) |
1262 | free_coro_mortal (pTHX) |
1131 | { |
1263 | { |
1132 | if (expect_true (coro_mortal)) |
1264 | if (ecb_expect_true (coro_mortal)) |
1133 | { |
1265 | { |
1134 | SvREFCNT_dec (coro_mortal); |
1266 | SvREFCNT_dec ((SV *)coro_mortal); |
1135 | coro_mortal = 0; |
1267 | coro_mortal = 0; |
1136 | } |
1268 | } |
1137 | } |
1269 | } |
1138 | |
1270 | |
1139 | static int |
1271 | static int |
… | |
… | |
1272 | |
1404 | |
1273 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1405 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1274 | } |
1406 | } |
1275 | |
1407 | |
1276 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1408 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1277 | static void NOINLINE |
1409 | static void ecb_noinline |
1278 | cctx_prepare (pTHX) |
1410 | cctx_prepare (pTHX) |
1279 | { |
1411 | { |
1280 | PL_top_env = &PL_start_env; |
1412 | PL_top_env = &PL_start_env; |
1281 | |
1413 | |
1282 | if (cctx_current->flags & CC_TRACE) |
1414 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1293 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1425 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1294 | slf_frame.check = slf_check_set_stacklevel; |
1426 | slf_frame.check = slf_check_set_stacklevel; |
1295 | } |
1427 | } |
1296 | |
1428 | |
1297 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1429 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1298 | INLINE void |
1430 | ecb_inline void |
1299 | transfer_tail (pTHX) |
1431 | transfer_tail (pTHX) |
1300 | { |
1432 | { |
1301 | free_coro_mortal (aTHX); |
1433 | free_coro_mortal (aTHX); |
|
|
1434 | } |
|
|
1435 | |
|
|
1436 | /* try to exit the same way perl's main function would do */ |
|
|
1437 | /* we do not bother resetting the environment or other things *7 |
|
|
1438 | /* that are not, uhm, essential */ |
|
|
1439 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1440 | static void ecb_noinline ecb_cold |
|
|
1441 | perlish_exit (pTHX) |
|
|
1442 | { |
|
|
1443 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1444 | perl_free (PL_curinterp); |
|
|
1445 | exit (exitstatus); |
1302 | } |
1446 | } |
1303 | |
1447 | |
1304 | /* |
1448 | /* |
1305 | * this is a _very_ stripped down perl interpreter ;) |
1449 | * this is a _very_ stripped down perl interpreter ;) |
1306 | */ |
1450 | */ |
… | |
… | |
1328 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1472 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1329 | PL_restartop = PL_op; |
1473 | PL_restartop = PL_op; |
1330 | perl_run (PL_curinterp); |
1474 | perl_run (PL_curinterp); |
1331 | /* |
1475 | /* |
1332 | * Unfortunately, there is no way to get at the return values of the |
1476 | * Unfortunately, there is no way to get at the return values of the |
1333 | * coro body here, as perl_run destroys these |
1477 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1478 | * runtime errors here, as this is just a random interpreter, not a thread. |
1334 | */ |
1479 | */ |
1335 | |
1480 | |
1336 | /* |
1481 | /* |
1337 | * If perl-run returns we assume exit() was being called or the coro |
1482 | * If perl-run returns we assume exit() was being called or the coro |
1338 | * fell off the end, which seems to be the only valid (non-bug) |
1483 | * fell off the end, which seems to be the only valid (non-bug) |
1339 | * reason for perl_run to return. We try to exit by jumping to the |
1484 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1340 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1485 | * doing in that case. YMMV. |
1341 | * coroutine as Coro has no such concept. |
|
|
1342 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1343 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1344 | */ |
1486 | */ |
1345 | PL_top_env = main_top_env; |
1487 | perlish_exit (aTHX); |
1346 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1347 | } |
1488 | } |
1348 | } |
1489 | } |
1349 | |
1490 | |
1350 | static coro_cctx * |
1491 | static coro_cctx * |
1351 | cctx_new () |
1492 | cctx_new (void) |
1352 | { |
1493 | { |
1353 | coro_cctx *cctx; |
1494 | coro_cctx *cctx; |
1354 | |
1495 | |
1355 | ++cctx_count; |
1496 | ++cctx_count; |
1356 | New (0, cctx, 1, coro_cctx); |
1497 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1362 | return cctx; |
1503 | return cctx; |
1363 | } |
1504 | } |
1364 | |
1505 | |
1365 | /* create a new cctx only suitable as source */ |
1506 | /* create a new cctx only suitable as source */ |
1366 | static coro_cctx * |
1507 | static coro_cctx * |
1367 | cctx_new_empty () |
1508 | cctx_new_empty (void) |
1368 | { |
1509 | { |
1369 | coro_cctx *cctx = cctx_new (); |
1510 | coro_cctx *cctx = cctx_new (); |
1370 | |
1511 | |
1371 | cctx->sptr = 0; |
1512 | cctx->stack.sptr = 0; |
1372 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1513 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1373 | |
1514 | |
1374 | return cctx; |
1515 | return cctx; |
1375 | } |
1516 | } |
1376 | |
1517 | |
1377 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1518 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1378 | static coro_cctx * |
1519 | static coro_cctx * |
1379 | cctx_new_run () |
1520 | cctx_new_run (void) |
1380 | { |
1521 | { |
1381 | coro_cctx *cctx = cctx_new (); |
1522 | coro_cctx *cctx = cctx_new (); |
1382 | void *stack_start; |
|
|
1383 | size_t stack_size; |
|
|
1384 | |
1523 | |
1385 | #if HAVE_MMAP |
1524 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1386 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1387 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1388 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1389 | |
|
|
1390 | if (cctx->sptr != (void *)-1) |
|
|
1391 | { |
|
|
1392 | #if CORO_STACKGUARD |
|
|
1393 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1394 | #endif |
|
|
1395 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1396 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1397 | cctx->flags |= CC_MAPPED; |
|
|
1398 | } |
1525 | { |
1399 | else |
|
|
1400 | #endif |
|
|
1401 | { |
|
|
1402 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1403 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1404 | |
|
|
1405 | if (!cctx->sptr) |
|
|
1406 | { |
|
|
1407 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1526 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1408 | _exit (EXIT_FAILURE); |
1527 | _exit (EXIT_FAILURE); |
1409 | } |
|
|
1410 | |
|
|
1411 | stack_start = cctx->sptr; |
|
|
1412 | stack_size = cctx->ssize; |
|
|
1413 | } |
1528 | } |
1414 | |
1529 | |
1415 | #if CORO_USE_VALGRIND |
|
|
1416 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1417 | #endif |
|
|
1418 | |
|
|
1419 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1530 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1420 | |
1531 | |
1421 | return cctx; |
1532 | return cctx; |
1422 | } |
1533 | } |
1423 | |
1534 | |
1424 | static void |
1535 | static void |
1425 | cctx_destroy (coro_cctx *cctx) |
1536 | cctx_destroy (coro_cctx *cctx) |
1426 | { |
1537 | { |
1427 | if (!cctx) |
1538 | if (!cctx) |
1428 | return; |
1539 | return; |
1429 | |
1540 | |
1430 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1541 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1431 | |
1542 | |
1432 | --cctx_count; |
1543 | --cctx_count; |
1433 | coro_destroy (&cctx->cctx); |
1544 | coro_destroy (&cctx->cctx); |
1434 | |
1545 | |
1435 | /* coro_transfer creates new, empty cctx's */ |
1546 | coro_stack_free (&cctx->stack); |
1436 | if (cctx->sptr) |
|
|
1437 | { |
|
|
1438 | #if CORO_USE_VALGRIND |
|
|
1439 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1440 | #endif |
|
|
1441 | |
|
|
1442 | #if HAVE_MMAP |
|
|
1443 | if (cctx->flags & CC_MAPPED) |
|
|
1444 | munmap (cctx->sptr, cctx->ssize); |
|
|
1445 | else |
|
|
1446 | #endif |
|
|
1447 | Safefree (cctx->sptr); |
|
|
1448 | } |
|
|
1449 | |
1547 | |
1450 | Safefree (cctx); |
1548 | Safefree (cctx); |
1451 | } |
1549 | } |
1452 | |
1550 | |
1453 | /* wether this cctx should be destructed */ |
1551 | /* wether this cctx should be destructed */ |
1454 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1552 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1455 | |
1553 | |
1456 | static coro_cctx * |
1554 | static coro_cctx * |
1457 | cctx_get (pTHX) |
1555 | cctx_get (pTHX) |
1458 | { |
1556 | { |
1459 | while (expect_true (cctx_first)) |
1557 | while (ecb_expect_true (cctx_first)) |
1460 | { |
1558 | { |
1461 | coro_cctx *cctx = cctx_first; |
1559 | coro_cctx *cctx = cctx_first; |
1462 | cctx_first = cctx->next; |
1560 | cctx_first = cctx->next; |
1463 | --cctx_idle; |
1561 | --cctx_idle; |
1464 | |
1562 | |
1465 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1563 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1466 | return cctx; |
1564 | return cctx; |
1467 | |
1565 | |
1468 | cctx_destroy (cctx); |
1566 | cctx_destroy (cctx); |
1469 | } |
1567 | } |
1470 | |
1568 | |
… | |
… | |
1472 | } |
1570 | } |
1473 | |
1571 | |
1474 | static void |
1572 | static void |
1475 | cctx_put (coro_cctx *cctx) |
1573 | cctx_put (coro_cctx *cctx) |
1476 | { |
1574 | { |
1477 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1575 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1478 | |
1576 | |
1479 | /* free another cctx if overlimit */ |
1577 | /* free another cctx if overlimit */ |
1480 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1578 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1481 | { |
1579 | { |
1482 | coro_cctx *first = cctx_first; |
1580 | coro_cctx *first = cctx_first; |
1483 | cctx_first = first->next; |
1581 | cctx_first = first->next; |
1484 | --cctx_idle; |
1582 | --cctx_idle; |
1485 | |
1583 | |
… | |
… | |
1496 | static void |
1594 | static void |
1497 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1595 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1498 | { |
1596 | { |
1499 | /* TODO: throwing up here is considered harmful */ |
1597 | /* TODO: throwing up here is considered harmful */ |
1500 | |
1598 | |
1501 | if (expect_true (prev != next)) |
1599 | if (ecb_expect_true (prev != next)) |
1502 | { |
1600 | { |
1503 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1601 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1504 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1602 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1505 | |
1603 | |
1506 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1604 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1507 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1605 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1508 | |
1606 | |
1509 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1607 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1510 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1608 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1511 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1609 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1512 | #endif |
1610 | #endif |
1513 | } |
1611 | } |
1514 | } |
1612 | } |
1515 | |
1613 | |
1516 | /* always use the TRANSFER macro */ |
1614 | /* always use the TRANSFER macro */ |
1517 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1615 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1518 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1616 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1519 | { |
1617 | { |
1520 | dSTACKLEVEL; |
1618 | dSTACKLEVEL; |
1521 | |
1619 | |
1522 | /* sometimes transfer is only called to set idle_sp */ |
1620 | /* sometimes transfer is only called to set idle_sp */ |
1523 | if (expect_false (!prev)) |
1621 | if (ecb_expect_false (!prev)) |
1524 | { |
1622 | { |
1525 | cctx_current->idle_sp = STACKLEVEL; |
1623 | cctx_current->idle_sp = STACKLEVEL; |
1526 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1624 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1527 | } |
1625 | } |
1528 | else if (expect_true (prev != next)) |
1626 | else if (ecb_expect_true (prev != next)) |
1529 | { |
1627 | { |
1530 | coro_cctx *cctx_prev; |
1628 | coro_cctx *cctx_prev; |
1531 | |
1629 | |
1532 | if (expect_false (prev->flags & CF_NEW)) |
1630 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1533 | { |
1631 | { |
1534 | /* create a new empty/source context */ |
1632 | /* create a new empty/source context */ |
1535 | prev->flags &= ~CF_NEW; |
1633 | prev->flags &= ~CF_NEW; |
1536 | prev->flags |= CF_RUNNING; |
1634 | prev->flags |= CF_RUNNING; |
1537 | } |
1635 | } |
… | |
… | |
1540 | next->flags |= CF_RUNNING; |
1638 | next->flags |= CF_RUNNING; |
1541 | |
1639 | |
1542 | /* first get rid of the old state */ |
1640 | /* first get rid of the old state */ |
1543 | save_perl (aTHX_ prev); |
1641 | save_perl (aTHX_ prev); |
1544 | |
1642 | |
1545 | if (expect_false (next->flags & CF_NEW)) |
1643 | if (ecb_expect_false (next->flags & CF_NEW)) |
1546 | { |
1644 | { |
1547 | /* need to start coroutine */ |
1645 | /* need to start coroutine */ |
1548 | next->flags &= ~CF_NEW; |
1646 | next->flags &= ~CF_NEW; |
1549 | /* setup coroutine call */ |
1647 | /* setup coroutine call */ |
1550 | coro_setup (aTHX_ next); |
1648 | init_perl (aTHX_ next); |
1551 | } |
1649 | } |
1552 | else |
1650 | else |
1553 | load_perl (aTHX_ next); |
1651 | load_perl (aTHX_ next); |
1554 | |
1652 | |
1555 | /* possibly untie and reuse the cctx */ |
1653 | /* possibly untie and reuse the cctx */ |
1556 | if (expect_true ( |
1654 | if (ecb_expect_true ( |
1557 | cctx_current->idle_sp == STACKLEVEL |
1655 | cctx_current->idle_sp == STACKLEVEL |
1558 | && !(cctx_current->flags & CC_TRACE) |
1656 | && !(cctx_current->flags & CC_TRACE) |
1559 | && !force_cctx |
1657 | && !force_cctx |
1560 | )) |
1658 | )) |
1561 | { |
1659 | { |
1562 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1660 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1563 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1661 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1564 | |
1662 | |
1565 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1663 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1566 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1664 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1567 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1665 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1568 | if (expect_true (!next->cctx)) |
1666 | if (ecb_expect_true (!next->cctx)) |
1569 | next->cctx = cctx_get (aTHX); |
1667 | next->cctx = cctx_get (aTHX); |
1570 | |
1668 | |
1571 | cctx_put (cctx_current); |
1669 | cctx_put (cctx_current); |
1572 | } |
1670 | } |
1573 | else |
1671 | else |
1574 | prev->cctx = cctx_current; |
1672 | prev->cctx = cctx_current; |
1575 | |
1673 | |
1576 | ++next->usecount; |
1674 | ++next->usecount; |
1577 | |
1675 | |
1578 | cctx_prev = cctx_current; |
1676 | cctx_prev = cctx_current; |
1579 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1677 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1580 | |
1678 | |
1581 | next->cctx = 0; |
1679 | next->cctx = 0; |
1582 | |
1680 | |
1583 | if (expect_false (cctx_prev != cctx_current)) |
1681 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1584 | { |
1682 | { |
1585 | cctx_prev->top_env = PL_top_env; |
1683 | cctx_prev->top_env = PL_top_env; |
1586 | PL_top_env = cctx_current->top_env; |
1684 | PL_top_env = cctx_current->top_env; |
1587 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1685 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1588 | } |
1686 | } |
… | |
… | |
1594 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1692 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1595 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1693 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1596 | |
1694 | |
1597 | /** high level stuff ********************************************************/ |
1695 | /** high level stuff ********************************************************/ |
1598 | |
1696 | |
|
|
1697 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1698 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1599 | static int |
1699 | static void |
|
|
1700 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1701 | |
|
|
1702 | static void |
1600 | coro_state_destroy (pTHX_ struct coro *coro) |
1703 | coro_state_destroy (pTHX_ struct coro *coro) |
1601 | { |
1704 | { |
1602 | if (coro->flags & CF_DESTROYED) |
1705 | if (coro->flags & CF_ZOMBIE) |
1603 | return 0; |
1706 | return; |
1604 | |
1707 | |
1605 | if (coro->on_destroy && !PL_dirty) |
|
|
1606 | coro->on_destroy (aTHX_ coro); |
1708 | slf_destroy (aTHX_ coro); |
1607 | |
1709 | |
1608 | coro->flags |= CF_DESTROYED; |
1710 | coro->flags |= CF_ZOMBIE; |
1609 | |
1711 | |
1610 | if (coro->flags & CF_READY) |
1712 | if (coro->flags & CF_READY) |
1611 | { |
1713 | { |
1612 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1714 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1613 | /* alternative: look through all ready queues and remove the coro */ |
1715 | /* alternative: look through all ready queues and remove the coro */ |
1614 | --coro_nready; |
1716 | --coro_nready; |
1615 | } |
1717 | } |
1616 | else |
1718 | else |
1617 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1719 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1720 | |
|
|
1721 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1722 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1723 | if (coro == coro_first) coro_first = coro->next; |
1618 | |
1724 | |
1619 | if (coro->mainstack |
1725 | if (coro->mainstack |
1620 | && coro->mainstack != main_mainstack |
1726 | && coro->mainstack != main_mainstack |
1621 | && coro->slot |
1727 | && coro->slot |
1622 | && !PL_dirty) |
1728 | && !PL_dirty) |
1623 | coro_destruct_perl (aTHX_ coro); |
1729 | destroy_perl (aTHX_ coro); |
1624 | |
1730 | |
1625 | cctx_destroy (coro->cctx); |
1731 | cctx_destroy (coro->cctx); |
1626 | SvREFCNT_dec (coro->startcv); |
1732 | SvREFCNT_dec (coro->startcv); |
1627 | SvREFCNT_dec (coro->args); |
1733 | SvREFCNT_dec (coro->args); |
|
|
1734 | SvREFCNT_dec (coro->swap_sv); |
1628 | SvREFCNT_dec (CORO_THROW); |
1735 | SvREFCNT_dec (CORO_THROW); |
1629 | |
1736 | |
1630 | if (coro->next) coro->next->prev = coro->prev; |
1737 | coro_call_on_destroy (aTHX_ coro); |
1631 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1632 | if (coro == coro_first) coro_first = coro->next; |
|
|
1633 | |
1738 | |
1634 | return 1; |
1739 | /* more destruction mayhem in coro_state_free */ |
1635 | } |
1740 | } |
1636 | |
1741 | |
1637 | static int |
1742 | static int |
1638 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1743 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1639 | { |
1744 | { |
1640 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1745 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1641 | mg->mg_ptr = 0; |
1746 | mg->mg_ptr = 0; |
1642 | |
1747 | |
1643 | coro->hv = 0; |
|
|
1644 | |
|
|
1645 | if (--coro->refcnt < 0) |
|
|
1646 | { |
|
|
1647 | coro_state_destroy (aTHX_ coro); |
1748 | coro_state_destroy (aTHX_ coro); |
|
|
1749 | SvREFCNT_dec (coro->on_destroy); |
|
|
1750 | SvREFCNT_dec (coro->status); |
|
|
1751 | |
1648 | Safefree (coro); |
1752 | Safefree (coro); |
1649 | } |
|
|
1650 | |
1753 | |
1651 | return 0; |
1754 | return 0; |
1652 | } |
1755 | } |
1653 | |
1756 | |
1654 | static int |
1757 | static int ecb_cold |
1655 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1758 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1656 | { |
1759 | { |
1657 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1760 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1658 | |
1761 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1659 | ++coro->refcnt; |
1762 | mg->mg_ptr = 0; |
|
|
1763 | mg->mg_virtual = 0; |
1660 | |
1764 | |
1661 | return 0; |
1765 | return 0; |
1662 | } |
1766 | } |
1663 | |
1767 | |
1664 | static MGVTBL coro_state_vtbl = { |
1768 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1687 | |
1791 | |
1688 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1792 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1689 | TRANSFER (ta, 1); |
1793 | TRANSFER (ta, 1); |
1690 | } |
1794 | } |
1691 | |
1795 | |
1692 | /*****************************************************************************/ |
|
|
1693 | /* gensub: simple closure generation utility */ |
|
|
1694 | |
|
|
1695 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1696 | |
|
|
1697 | /* create a closure from XS, returns a code reference */ |
|
|
1698 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1699 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1700 | static SV * |
|
|
1701 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1702 | { |
|
|
1703 | CV *cv = (CV *)newSV (0); |
|
|
1704 | |
|
|
1705 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1706 | |
|
|
1707 | CvANON_on (cv); |
|
|
1708 | CvISXSUB_on (cv); |
|
|
1709 | CvXSUB (cv) = xsub; |
|
|
1710 | GENSUB_ARG = arg; |
|
|
1711 | |
|
|
1712 | return newRV_noinc ((SV *)cv); |
|
|
1713 | } |
|
|
1714 | |
|
|
1715 | /** Coro ********************************************************************/ |
1796 | /** Coro ********************************************************************/ |
1716 | |
1797 | |
1717 | INLINE void |
1798 | ecb_inline void |
1718 | coro_enq (pTHX_ struct coro *coro) |
1799 | coro_enq (pTHX_ struct coro *coro) |
1719 | { |
1800 | { |
1720 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1801 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1721 | |
1802 | |
1722 | SvREFCNT_inc_NN (coro->hv); |
1803 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1724 | coro->next_ready = 0; |
1805 | coro->next_ready = 0; |
1725 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1806 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1726 | ready [1] = coro; |
1807 | ready [1] = coro; |
1727 | } |
1808 | } |
1728 | |
1809 | |
1729 | INLINE struct coro * |
1810 | ecb_inline struct coro * |
1730 | coro_deq (pTHX) |
1811 | coro_deq (pTHX) |
1731 | { |
1812 | { |
1732 | int prio; |
1813 | int prio; |
1733 | |
1814 | |
1734 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1815 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1744 | } |
1825 | } |
1745 | |
1826 | |
1746 | return 0; |
1827 | return 0; |
1747 | } |
1828 | } |
1748 | |
1829 | |
|
|
1830 | static void |
|
|
1831 | invoke_sv_ready_hook_helper (void) |
|
|
1832 | { |
|
|
1833 | dTHX; |
|
|
1834 | dSP; |
|
|
1835 | |
|
|
1836 | ENTER; |
|
|
1837 | SAVETMPS; |
|
|
1838 | |
|
|
1839 | PUSHMARK (SP); |
|
|
1840 | PUTBACK; |
|
|
1841 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1842 | |
|
|
1843 | FREETMPS; |
|
|
1844 | LEAVE; |
|
|
1845 | } |
|
|
1846 | |
1749 | static int |
1847 | static int |
1750 | api_ready (pTHX_ SV *coro_sv) |
1848 | api_ready (pTHX_ SV *coro_sv) |
1751 | { |
1849 | { |
1752 | struct coro *coro; |
|
|
1753 | SV *sv_hook; |
|
|
1754 | void (*xs_hook)(void); |
|
|
1755 | |
|
|
1756 | coro = SvSTATE (coro_sv); |
1850 | struct coro *coro = SvSTATE (coro_sv); |
1757 | |
1851 | |
1758 | if (coro->flags & CF_READY) |
1852 | if (coro->flags & CF_READY) |
1759 | return 0; |
1853 | return 0; |
1760 | |
1854 | |
1761 | coro->flags |= CF_READY; |
1855 | coro->flags |= CF_READY; |
1762 | |
1856 | |
1763 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1764 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1765 | |
|
|
1766 | coro_enq (aTHX_ coro); |
1857 | coro_enq (aTHX_ coro); |
1767 | ++coro_nready; |
|
|
1768 | |
1858 | |
1769 | if (sv_hook) |
1859 | if (!coro_nready++) |
1770 | { |
1860 | if (coroapi.readyhook) |
1771 | dSP; |
1861 | coroapi.readyhook (); |
1772 | |
|
|
1773 | ENTER; |
|
|
1774 | SAVETMPS; |
|
|
1775 | |
|
|
1776 | PUSHMARK (SP); |
|
|
1777 | PUTBACK; |
|
|
1778 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1779 | |
|
|
1780 | FREETMPS; |
|
|
1781 | LEAVE; |
|
|
1782 | } |
|
|
1783 | |
|
|
1784 | if (xs_hook) |
|
|
1785 | xs_hook (); |
|
|
1786 | |
1862 | |
1787 | return 1; |
1863 | return 1; |
1788 | } |
1864 | } |
1789 | |
1865 | |
1790 | static int |
1866 | static int |
… | |
… | |
1792 | { |
1868 | { |
1793 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1869 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1794 | } |
1870 | } |
1795 | |
1871 | |
1796 | /* expects to own a reference to next->hv */ |
1872 | /* expects to own a reference to next->hv */ |
1797 | INLINE void |
1873 | ecb_inline void |
1798 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1874 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1799 | { |
1875 | { |
1800 | SV *prev_sv = SvRV (coro_current); |
1876 | SV *prev_sv = SvRV (coro_current); |
1801 | |
1877 | |
1802 | ta->prev = SvSTATE_hv (prev_sv); |
1878 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1815 | { |
1891 | { |
1816 | for (;;) |
1892 | for (;;) |
1817 | { |
1893 | { |
1818 | struct coro *next = coro_deq (aTHX); |
1894 | struct coro *next = coro_deq (aTHX); |
1819 | |
1895 | |
1820 | if (expect_true (next)) |
1896 | if (ecb_expect_true (next)) |
1821 | { |
1897 | { |
1822 | /* cannot transfer to destroyed coros, skip and look for next */ |
1898 | /* cannot transfer to destroyed coros, skip and look for next */ |
1823 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1899 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1824 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1900 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1825 | else |
1901 | else |
1826 | { |
1902 | { |
1827 | next->flags &= ~CF_READY; |
1903 | next->flags &= ~CF_READY; |
1828 | --coro_nready; |
1904 | --coro_nready; |
… | |
… | |
1835 | { |
1911 | { |
1836 | /* nothing to schedule: call the idle handler */ |
1912 | /* nothing to schedule: call the idle handler */ |
1837 | if (SvROK (sv_idle) |
1913 | if (SvROK (sv_idle) |
1838 | && SvOBJECT (SvRV (sv_idle))) |
1914 | && SvOBJECT (SvRV (sv_idle))) |
1839 | { |
1915 | { |
|
|
1916 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1917 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1918 | |
1840 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1919 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1841 | api_ready (aTHX_ SvRV (sv_idle)); |
1920 | api_ready (aTHX_ SvRV (sv_idle)); |
1842 | --coro_nready; |
1921 | --coro_nready; |
1843 | } |
1922 | } |
1844 | else |
1923 | else |
1845 | { |
1924 | { |
|
|
1925 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1846 | dSP; |
1926 | dSP; |
1847 | |
1927 | |
1848 | ENTER; |
1928 | ENTER; |
1849 | SAVETMPS; |
1929 | SAVETMPS; |
1850 | |
1930 | |
… | |
… | |
1857 | } |
1937 | } |
1858 | } |
1938 | } |
1859 | } |
1939 | } |
1860 | } |
1940 | } |
1861 | |
1941 | |
1862 | INLINE void |
1942 | ecb_inline void |
1863 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1943 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1864 | { |
1944 | { |
1865 | api_ready (aTHX_ coro_current); |
1945 | api_ready (aTHX_ coro_current); |
1866 | prepare_schedule (aTHX_ ta); |
1946 | prepare_schedule (aTHX_ ta); |
1867 | } |
1947 | } |
1868 | |
1948 | |
1869 | INLINE void |
1949 | ecb_inline void |
1870 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1950 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1871 | { |
1951 | { |
1872 | SV *prev = SvRV (coro_current); |
1952 | SV *prev = SvRV (coro_current); |
1873 | |
1953 | |
1874 | if (coro_nready) |
1954 | if (coro_nready) |
… | |
… | |
1904 | { |
1984 | { |
1905 | struct coro_transfer_args ta; |
1985 | struct coro_transfer_args ta; |
1906 | |
1986 | |
1907 | prepare_cede (aTHX_ &ta); |
1987 | prepare_cede (aTHX_ &ta); |
1908 | |
1988 | |
1909 | if (expect_true (ta.prev != ta.next)) |
1989 | if (ecb_expect_true (ta.prev != ta.next)) |
1910 | { |
1990 | { |
1911 | TRANSFER (ta, 1); |
1991 | TRANSFER (ta, 1); |
1912 | return 1; |
1992 | return 1; |
1913 | } |
1993 | } |
1914 | else |
1994 | else |
… | |
… | |
1957 | coro->slot->runops = RUNOPS_DEFAULT; |
2037 | coro->slot->runops = RUNOPS_DEFAULT; |
1958 | } |
2038 | } |
1959 | } |
2039 | } |
1960 | |
2040 | |
1961 | static void |
2041 | static void |
|
|
2042 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2043 | { |
|
|
2044 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2045 | { |
|
|
2046 | dSP; |
|
|
2047 | |
|
|
2048 | if (gimme_v == G_SCALAR) |
|
|
2049 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2050 | else |
|
|
2051 | { |
|
|
2052 | int i; |
|
|
2053 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2054 | |
|
|
2055 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2056 | PUSHs (AvARRAY (av)[i]); |
|
|
2057 | } |
|
|
2058 | |
|
|
2059 | PUTBACK; |
|
|
2060 | } |
|
|
2061 | } |
|
|
2062 | |
|
|
2063 | static void |
|
|
2064 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2065 | { |
|
|
2066 | if (!coro->on_destroy) |
|
|
2067 | coro->on_destroy = newAV (); |
|
|
2068 | |
|
|
2069 | av_push (coro->on_destroy, cb); |
|
|
2070 | } |
|
|
2071 | |
|
|
2072 | static void |
|
|
2073 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2074 | { |
|
|
2075 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2076 | } |
|
|
2077 | |
|
|
2078 | static int |
|
|
2079 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2080 | { |
|
|
2081 | struct coro *coro = (struct coro *)frame->data; |
|
|
2082 | |
|
|
2083 | if (!coro->status) |
|
|
2084 | return 1; |
|
|
2085 | |
|
|
2086 | frame->destroy = 0; |
|
|
2087 | |
|
|
2088 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2089 | |
|
|
2090 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2091 | |
|
|
2092 | return 0; |
|
|
2093 | } |
|
|
2094 | |
|
|
2095 | static void |
|
|
2096 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2097 | { |
|
|
2098 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2099 | |
|
|
2100 | if (items > 1) |
|
|
2101 | croak ("join called with too many arguments"); |
|
|
2102 | |
|
|
2103 | if (coro->status) |
|
|
2104 | frame->prepare = prepare_nop; |
|
|
2105 | else |
|
|
2106 | { |
|
|
2107 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2108 | frame->prepare = prepare_schedule; |
|
|
2109 | } |
|
|
2110 | |
|
|
2111 | frame->check = slf_check_join; |
|
|
2112 | frame->destroy = slf_destroy_join; |
|
|
2113 | frame->data = (void *)coro; |
|
|
2114 | SvREFCNT_inc (coro->hv); |
|
|
2115 | } |
|
|
2116 | |
|
|
2117 | static void |
1962 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2118 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1963 | { |
2119 | { |
1964 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2120 | AV *od = coro->on_destroy; |
1965 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1966 | |
2121 | |
1967 | if (on_destroyp) |
2122 | if (!od) |
1968 | { |
2123 | return; |
1969 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1970 | |
2124 | |
|
|
2125 | coro->on_destroy = 0; |
|
|
2126 | sv_2mortal ((SV *)od); |
|
|
2127 | |
1971 | while (AvFILLp (on_destroy) >= 0) |
2128 | while (AvFILLp (od) >= 0) |
|
|
2129 | { |
|
|
2130 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2131 | |
|
|
2132 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2133 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2134 | api_ready (aTHX_ cb); |
|
|
2135 | else |
1972 | { |
2136 | { |
1973 | dSP; /* don't disturb outer sp */ |
2137 | dSP; /* don't disturb outer sp */ |
1974 | SV *cb = av_pop (on_destroy); |
|
|
1975 | |
|
|
1976 | PUSHMARK (SP); |
2138 | PUSHMARK (SP); |
1977 | |
2139 | |
1978 | if (statusp) |
2140 | if (coro->status) |
1979 | { |
2141 | { |
1980 | int i; |
2142 | PUTBACK; |
1981 | AV *status = (AV *)SvRV (*statusp); |
2143 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1982 | EXTEND (SP, AvFILLp (status) + 1); |
2144 | SPAGAIN; |
1983 | |
|
|
1984 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1985 | PUSHs (AvARRAY (status)[i]); |
|
|
1986 | } |
2145 | } |
1987 | |
2146 | |
1988 | PUTBACK; |
2147 | PUTBACK; |
1989 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2148 | call_sv (cb, G_VOID | G_DISCARD); |
1990 | } |
2149 | } |
1991 | } |
2150 | } |
1992 | } |
2151 | } |
1993 | |
2152 | |
1994 | static void |
2153 | static void |
1995 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2154 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1996 | { |
2155 | { |
|
|
2156 | AV *av; |
|
|
2157 | |
|
|
2158 | if (coro->status) |
|
|
2159 | { |
|
|
2160 | av = coro->status; |
|
|
2161 | av_clear (av); |
|
|
2162 | } |
|
|
2163 | else |
|
|
2164 | av = coro->status = newAV (); |
|
|
2165 | |
|
|
2166 | /* items are actually not so common, so optimise for this case */ |
|
|
2167 | if (items) |
|
|
2168 | { |
1997 | int i; |
2169 | int i; |
1998 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1999 | AV *av = newAV (); |
|
|
2000 | |
2170 | |
2001 | av_extend (av, items - 1); |
2171 | av_extend (av, items - 1); |
|
|
2172 | |
2002 | for (i = 0; i < items; ++i) |
2173 | for (i = 0; i < items; ++i) |
2003 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2174 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2175 | } |
|
|
2176 | } |
2004 | |
2177 | |
2005 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2178 | static void |
2006 | |
2179 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2180 | { |
2007 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2181 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
2008 | api_ready (aTHX_ sv_manager); |
2182 | api_ready (aTHX_ sv_manager); |
2009 | |
2183 | |
2010 | frame->prepare = prepare_schedule; |
2184 | frame->prepare = prepare_schedule; |
2011 | frame->check = slf_check_repeat; |
2185 | frame->check = slf_check_repeat; |
2012 | |
2186 | |
2013 | /* as a minor optimisation, we could unwind all stacks here */ |
2187 | /* as a minor optimisation, we could unwind all stacks here */ |
2014 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2188 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2015 | /*coro_unwind_stacks (aTHX);*/ |
2189 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2190 | } |
|
|
2191 | |
|
|
2192 | static void |
|
|
2193 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2194 | { |
|
|
2195 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2196 | |
|
|
2197 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2198 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2199 | } |
|
|
2200 | |
|
|
2201 | static void |
|
|
2202 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2203 | { |
|
|
2204 | HV *coro_hv; |
|
|
2205 | struct coro *coro; |
|
|
2206 | |
|
|
2207 | if (items <= 0) |
|
|
2208 | croak ("Coro::cancel called without coro object,"); |
|
|
2209 | |
|
|
2210 | coro = SvSTATE (arg [0]); |
|
|
2211 | coro_hv = coro->hv; |
|
|
2212 | |
|
|
2213 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2214 | |
|
|
2215 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2216 | { |
|
|
2217 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2218 | coro->slf_frame.data = (void *)coro; |
|
|
2219 | |
|
|
2220 | frame->prepare = prepare_nop; |
|
|
2221 | frame->check = slf_check_nop; |
|
|
2222 | } |
|
|
2223 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2224 | { |
|
|
2225 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2226 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2227 | } |
|
|
2228 | else |
|
|
2229 | { |
|
|
2230 | struct coro *self = SvSTATE_current; |
|
|
2231 | |
|
|
2232 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2233 | * unfortunately, this requires some magic trickery, as |
|
|
2234 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2235 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2236 | * besides, I can't get the slow-but-safe version working... |
|
|
2237 | */ |
|
|
2238 | slf_frame.data = 0; |
|
|
2239 | self->flags |= CF_NOCANCEL; |
|
|
2240 | coro_state_destroy (aTHX_ coro); |
|
|
2241 | self->flags &= ~CF_NOCANCEL; |
|
|
2242 | |
|
|
2243 | if (slf_frame.data) |
|
|
2244 | { |
|
|
2245 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2246 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2247 | } |
|
|
2248 | else |
|
|
2249 | { |
|
|
2250 | frame->prepare = prepare_nop; |
|
|
2251 | frame->check = slf_check_nop; |
|
|
2252 | } |
|
|
2253 | } |
|
|
2254 | } |
|
|
2255 | |
|
|
2256 | static int |
|
|
2257 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2258 | { |
|
|
2259 | frame->prepare = 0; |
|
|
2260 | coro_unwind_stacks (aTHX); |
|
|
2261 | |
|
|
2262 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2263 | |
|
|
2264 | return 1; |
|
|
2265 | } |
|
|
2266 | |
|
|
2267 | static int |
|
|
2268 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2269 | { |
|
|
2270 | if (coro->cctx) |
|
|
2271 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2272 | |
|
|
2273 | if (coro->flags & CF_NEW) |
|
|
2274 | { |
|
|
2275 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2276 | coro_state_destroy (aTHX_ coro); |
|
|
2277 | } |
|
|
2278 | else |
|
|
2279 | { |
|
|
2280 | if (!coro->slf_frame.prepare) |
|
|
2281 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2282 | |
|
|
2283 | slf_destroy (aTHX_ coro); |
|
|
2284 | |
|
|
2285 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2286 | coro->slf_frame.prepare = prepare_nop; |
|
|
2287 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2288 | |
|
|
2289 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2290 | } |
|
|
2291 | |
|
|
2292 | return 1; |
2016 | } |
2293 | } |
2017 | |
2294 | |
2018 | /*****************************************************************************/ |
2295 | /*****************************************************************************/ |
2019 | /* async pool handler */ |
2296 | /* async pool handler */ |
2020 | |
2297 | |
… | |
… | |
2051 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2328 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2052 | { |
2329 | { |
2053 | HV *hv = (HV *)SvRV (coro_current); |
2330 | HV *hv = (HV *)SvRV (coro_current); |
2054 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2331 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2055 | |
2332 | |
2056 | if (expect_true (coro->saved_deffh)) |
2333 | if (ecb_expect_true (coro->saved_deffh)) |
2057 | { |
2334 | { |
2058 | /* subsequent iteration */ |
2335 | /* subsequent iteration */ |
2059 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2336 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2060 | coro->saved_deffh = 0; |
2337 | coro->saved_deffh = 0; |
2061 | |
2338 | |
2062 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2339 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2063 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2340 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2064 | { |
2341 | { |
2065 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2342 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
2066 | coro->invoke_av = newAV (); |
2343 | return; |
2067 | |
|
|
2068 | frame->prepare = prepare_nop; |
|
|
2069 | } |
2344 | } |
2070 | else |
2345 | else |
2071 | { |
2346 | { |
2072 | av_clear (GvAV (PL_defgv)); |
2347 | av_clear (GvAV (PL_defgv)); |
2073 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2348 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
2098 | |
2373 | |
2099 | static void |
2374 | static void |
2100 | coro_rouse_callback (pTHX_ CV *cv) |
2375 | coro_rouse_callback (pTHX_ CV *cv) |
2101 | { |
2376 | { |
2102 | dXSARGS; |
2377 | dXSARGS; |
2103 | SV *data = (SV *)GENSUB_ARG; |
2378 | SV *data = (SV *)S_GENSUB_ARG; |
2104 | |
2379 | |
2105 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2380 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2106 | { |
2381 | { |
2107 | /* first call, set args */ |
2382 | /* first call, set args */ |
2108 | SV *coro = SvRV (data); |
2383 | SV *coro = SvRV (data); |
… | |
… | |
2123 | |
2398 | |
2124 | static int |
2399 | static int |
2125 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2400 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2126 | { |
2401 | { |
2127 | SV *data = (SV *)frame->data; |
2402 | SV *data = (SV *)frame->data; |
2128 | |
2403 | |
2129 | if (CORO_THROW) |
2404 | if (CORO_THROW) |
2130 | return 0; |
2405 | return 0; |
2131 | |
2406 | |
2132 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2407 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2133 | return 1; |
2408 | return 1; |
… | |
… | |
2169 | cb = sv_2mortal (coro->rouse_cb); |
2444 | cb = sv_2mortal (coro->rouse_cb); |
2170 | coro->rouse_cb = 0; |
2445 | coro->rouse_cb = 0; |
2171 | } |
2446 | } |
2172 | |
2447 | |
2173 | if (!SvROK (cb) |
2448 | if (!SvROK (cb) |
2174 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2449 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2175 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2450 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2176 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2451 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2177 | |
2452 | |
2178 | { |
2453 | { |
2179 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2454 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2180 | SV *data = (SV *)GENSUB_ARG; |
2455 | SV *data = (SV *)S_GENSUB_ARG; |
2181 | |
2456 | |
2182 | frame->data = (void *)data; |
2457 | frame->data = (void *)data; |
2183 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2458 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2184 | frame->check = slf_check_rouse_wait; |
2459 | frame->check = slf_check_rouse_wait; |
2185 | } |
2460 | } |
… | |
… | |
2189 | coro_new_rouse_cb (pTHX) |
2464 | coro_new_rouse_cb (pTHX) |
2190 | { |
2465 | { |
2191 | HV *hv = (HV *)SvRV (coro_current); |
2466 | HV *hv = (HV *)SvRV (coro_current); |
2192 | struct coro *coro = SvSTATE_hv (hv); |
2467 | struct coro *coro = SvSTATE_hv (hv); |
2193 | SV *data = newRV_inc ((SV *)hv); |
2468 | SV *data = newRV_inc ((SV *)hv); |
2194 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2469 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2195 | |
2470 | |
2196 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2471 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2197 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2472 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2198 | |
2473 | |
2199 | SvREFCNT_dec (coro->rouse_cb); |
2474 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
2296 | static void |
2571 | static void |
2297 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2572 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2298 | { |
2573 | { |
2299 | frame->prepare = prepare_cede_notself; |
2574 | frame->prepare = prepare_cede_notself; |
2300 | frame->check = slf_check_nop; |
2575 | frame->check = slf_check_nop; |
|
|
2576 | } |
|
|
2577 | |
|
|
2578 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2579 | static void |
|
|
2580 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2581 | { |
|
|
2582 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2583 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2584 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2585 | |
|
|
2586 | /* |
|
|
2587 | * The on_destroy above most likely is from an SLF call. |
|
|
2588 | * Since by definition the SLF call will not finish when we destroy |
|
|
2589 | * the coro, we will have to force-finish it here, otherwise |
|
|
2590 | * cleanup functions cannot call SLF functions. |
|
|
2591 | */ |
|
|
2592 | coro->slf_frame.prepare = 0; |
2301 | } |
2593 | } |
2302 | |
2594 | |
2303 | /* |
2595 | /* |
2304 | * these not obviously related functions are all rolled into one |
2596 | * these not obviously related functions are all rolled into one |
2305 | * function to increase chances that they all will call transfer with the same |
2597 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2312 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2604 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2313 | |
2605 | |
2314 | /* set up the slf frame, unless it has already been set-up */ |
2606 | /* set up the slf frame, unless it has already been set-up */ |
2315 | /* the latter happens when a new coro has been started */ |
2607 | /* the latter happens when a new coro has been started */ |
2316 | /* or when a new cctx was attached to an existing coroutine */ |
2608 | /* or when a new cctx was attached to an existing coroutine */ |
2317 | if (expect_true (!slf_frame.prepare)) |
2609 | if (ecb_expect_true (!slf_frame.prepare)) |
2318 | { |
2610 | { |
2319 | /* first iteration */ |
2611 | /* first iteration */ |
2320 | dSP; |
2612 | dSP; |
2321 | SV **arg = PL_stack_base + TOPMARK + 1; |
2613 | SV **arg = PL_stack_base + TOPMARK + 1; |
2322 | int items = SP - arg; /* args without function object */ |
2614 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2363 | while (slf_frame.check (aTHX_ &slf_frame)); |
2655 | while (slf_frame.check (aTHX_ &slf_frame)); |
2364 | |
2656 | |
2365 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2657 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2366 | |
2658 | |
2367 | /* exception handling */ |
2659 | /* exception handling */ |
2368 | if (expect_false (CORO_THROW)) |
2660 | if (ecb_expect_false (CORO_THROW)) |
2369 | { |
2661 | { |
2370 | SV *exception = sv_2mortal (CORO_THROW); |
2662 | SV *exception = sv_2mortal (CORO_THROW); |
2371 | |
2663 | |
2372 | CORO_THROW = 0; |
2664 | CORO_THROW = 0; |
2373 | sv_setsv (ERRSV, exception); |
2665 | sv_setsv (ERRSV, exception); |
2374 | croak (0); |
2666 | croak (0); |
2375 | } |
2667 | } |
2376 | |
2668 | |
2377 | /* return value handling - mostly like entersub */ |
2669 | /* return value handling - mostly like entersub */ |
2378 | /* make sure we put something on the stack in scalar context */ |
2670 | /* make sure we put something on the stack in scalar context */ |
2379 | if (GIMME_V == G_SCALAR) |
2671 | if (GIMME_V == G_SCALAR |
|
|
2672 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2380 | { |
2673 | { |
2381 | dSP; |
2674 | dSP; |
2382 | SV **bot = PL_stack_base + checkmark; |
2675 | SV **bot = PL_stack_base + checkmark; |
2383 | |
2676 | |
2384 | if (sp == bot) /* too few, push undef */ |
2677 | if (sp == bot) /* too few, push undef */ |
2385 | bot [1] = &PL_sv_undef; |
2678 | bot [1] = &PL_sv_undef; |
2386 | else if (sp != bot + 1) /* too many, take last one */ |
2679 | else /* too many, take last one */ |
2387 | bot [1] = *sp; |
2680 | bot [1] = *sp; |
2388 | |
2681 | |
2389 | SP = bot + 1; |
2682 | SP = bot + 1; |
2390 | |
2683 | |
2391 | PUTBACK; |
2684 | PUTBACK; |
… | |
… | |
2424 | if (PL_op->op_flags & OPf_STACKED) |
2717 | if (PL_op->op_flags & OPf_STACKED) |
2425 | { |
2718 | { |
2426 | if (items > slf_arga) |
2719 | if (items > slf_arga) |
2427 | { |
2720 | { |
2428 | slf_arga = items; |
2721 | slf_arga = items; |
2429 | free (slf_argv); |
2722 | Safefree (slf_argv); |
2430 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2723 | New (0, slf_argv, slf_arga, SV *); |
2431 | } |
2724 | } |
2432 | |
2725 | |
2433 | slf_argc = items; |
2726 | slf_argc = items; |
2434 | |
2727 | |
2435 | for (i = 0; i < items; ++i) |
2728 | for (i = 0; i < items; ++i) |
… | |
… | |
2498 | { |
2791 | { |
2499 | PerlIOBuf base; |
2792 | PerlIOBuf base; |
2500 | NV next, every; |
2793 | NV next, every; |
2501 | } PerlIOCede; |
2794 | } PerlIOCede; |
2502 | |
2795 | |
2503 | static IV |
2796 | static IV ecb_cold |
2504 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2797 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2505 | { |
2798 | { |
2506 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2799 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2507 | |
2800 | |
2508 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2801 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2509 | self->next = nvtime () + self->every; |
2802 | self->next = nvtime () + self->every; |
2510 | |
2803 | |
2511 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2804 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2512 | } |
2805 | } |
2513 | |
2806 | |
2514 | static SV * |
2807 | static SV * ecb_cold |
2515 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2808 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2516 | { |
2809 | { |
2517 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2810 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2518 | |
2811 | |
2519 | return newSVnv (self->every); |
2812 | return newSVnv (self->every); |
… | |
… | |
2631 | SvREFCNT_dec (cb); |
2924 | SvREFCNT_dec (cb); |
2632 | } |
2925 | } |
2633 | } |
2926 | } |
2634 | |
2927 | |
2635 | static void |
2928 | static void |
2636 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2929 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2637 | { |
2930 | { |
2638 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2931 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2639 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2932 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2640 | } |
2933 | } |
2641 | |
2934 | |
2642 | static int |
2935 | static int |
2643 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2936 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2644 | { |
2937 | { |
2645 | AV *av = (AV *)frame->data; |
2938 | AV *av = (AV *)frame->data; |
2646 | SV *count_sv = AvARRAY (av)[0]; |
2939 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2940 | SV *coro_hv = SvRV (coro_current); |
2647 | |
2941 | |
2648 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2942 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2649 | if (CORO_THROW) |
2943 | if (CORO_THROW) |
2650 | return 0; |
2944 | return 0; |
2651 | else if (SvIVX (count_sv) > 0) |
2945 | else if (SvIVX (count_sv) > 0) |
2652 | { |
2946 | { |
2653 | SvSTATE_current->on_destroy = 0; |
2947 | frame->destroy = 0; |
2654 | |
2948 | |
2655 | if (acquire) |
2949 | if (acquire) |
2656 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2950 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2657 | else |
2951 | else |
2658 | coro_semaphore_adjust (aTHX_ av, 0); |
2952 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2663 | { |
2957 | { |
2664 | int i; |
2958 | int i; |
2665 | /* if we were woken up but can't down, we look through the whole */ |
2959 | /* if we were woken up but can't down, we look through the whole */ |
2666 | /* waiters list and only add us if we aren't in there already */ |
2960 | /* waiters list and only add us if we aren't in there already */ |
2667 | /* this avoids some degenerate memory usage cases */ |
2961 | /* this avoids some degenerate memory usage cases */ |
2668 | |
2962 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2669 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2670 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2963 | if (AvARRAY (av)[i] == coro_hv) |
2671 | return 1; |
2964 | return 1; |
2672 | |
2965 | |
2673 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2966 | av_push (av, SvREFCNT_inc (coro_hv)); |
2674 | return 1; |
2967 | return 1; |
2675 | } |
2968 | } |
2676 | } |
2969 | } |
2677 | |
2970 | |
2678 | static int |
2971 | static int |
… | |
… | |
2701 | { |
2994 | { |
2702 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2995 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2703 | |
2996 | |
2704 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2997 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2705 | frame->prepare = prepare_schedule; |
2998 | frame->prepare = prepare_schedule; |
2706 | |
|
|
2707 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2999 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2708 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
3000 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2709 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
3001 | frame->destroy = coro_semaphore_destroy; |
2710 | } |
3002 | } |
2711 | } |
3003 | } |
2712 | |
3004 | |
2713 | static void |
3005 | static void |
2714 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3006 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2722 | { |
3014 | { |
2723 | if (items >= 2) |
3015 | if (items >= 2) |
2724 | { |
3016 | { |
2725 | /* callback form */ |
3017 | /* callback form */ |
2726 | AV *av = (AV *)SvRV (arg [0]); |
3018 | AV *av = (AV *)SvRV (arg [0]); |
2727 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
3019 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2728 | |
3020 | |
2729 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
3021 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2730 | |
3022 | |
2731 | if (SvIVX (AvARRAY (av)[0]) > 0) |
3023 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2732 | coro_semaphore_adjust (aTHX_ av, 0); |
3024 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2792 | { |
3084 | { |
2793 | AV *av = (AV *)SvRV (arg [0]); |
3085 | AV *av = (AV *)SvRV (arg [0]); |
2794 | |
3086 | |
2795 | if (items >= 2) |
3087 | if (items >= 2) |
2796 | { |
3088 | { |
2797 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
3089 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2798 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
3090 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2799 | |
3091 | |
2800 | if (SvIVX (AvARRAY (av)[0])) |
3092 | if (SvIVX (AvARRAY (av)[0])) |
2801 | coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ |
3093 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
2802 | |
3094 | |
2803 | frame->prepare = prepare_nop; |
3095 | frame->prepare = prepare_nop; |
2804 | frame->check = slf_check_nop; |
3096 | frame->check = slf_check_nop; |
2805 | } |
3097 | } |
2806 | else if (SvIVX (AvARRAY (av)[0])) |
3098 | else if (SvIVX (AvARRAY (av)[0])) |
… | |
… | |
2837 | |
3129 | |
2838 | static void |
3130 | static void |
2839 | coro_aio_callback (pTHX_ CV *cv) |
3131 | coro_aio_callback (pTHX_ CV *cv) |
2840 | { |
3132 | { |
2841 | dXSARGS; |
3133 | dXSARGS; |
2842 | AV *state = (AV *)GENSUB_ARG; |
3134 | AV *state = (AV *)S_GENSUB_ARG; |
2843 | SV *coro = av_pop (state); |
3135 | SV *coro = av_pop (state); |
2844 | SV *data_sv = newSV (sizeof (struct io_state)); |
3136 | SV *data_sv = newSV (sizeof (struct io_state)); |
2845 | |
3137 | |
2846 | av_extend (state, items - 1); |
3138 | av_extend (state, items - 1); |
2847 | |
3139 | |
… | |
… | |
2883 | /* it quickly returns */ |
3175 | /* it quickly returns */ |
2884 | if (CORO_THROW) |
3176 | if (CORO_THROW) |
2885 | return 0; |
3177 | return 0; |
2886 | |
3178 | |
2887 | /* one element that is an RV? repeat! */ |
3179 | /* one element that is an RV? repeat! */ |
2888 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3180 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
2889 | return 1; |
3181 | return 1; |
2890 | |
3182 | |
2891 | /* restore status */ |
3183 | /* restore status */ |
2892 | { |
3184 | { |
2893 | SV *data_sv = av_pop (state); |
3185 | SV *data_sv = av_pop (state); |
… | |
… | |
2932 | dSP; |
3224 | dSP; |
2933 | |
3225 | |
2934 | static SV *prio_cv; |
3226 | static SV *prio_cv; |
2935 | static SV *prio_sv; |
3227 | static SV *prio_sv; |
2936 | |
3228 | |
2937 | if (expect_false (!prio_cv)) |
3229 | if (ecb_expect_false (!prio_cv)) |
2938 | { |
3230 | { |
2939 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3231 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2940 | prio_sv = newSViv (0); |
3232 | prio_sv = newSViv (0); |
2941 | } |
3233 | } |
2942 | |
3234 | |
… | |
… | |
2961 | |
3253 | |
2962 | for (i = 0; i < items; ++i) |
3254 | for (i = 0; i < items; ++i) |
2963 | PUSHs (arg [i]); |
3255 | PUSHs (arg [i]); |
2964 | |
3256 | |
2965 | /* now push the callback closure */ |
3257 | /* now push the callback closure */ |
2966 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3258 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2967 | |
3259 | |
2968 | /* now call the AIO function - we assume our request is uncancelable */ |
3260 | /* now call the AIO function - we assume our request is uncancelable */ |
2969 | PUTBACK; |
3261 | PUTBACK; |
2970 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3262 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2971 | } |
3263 | } |
2972 | |
3264 | |
2973 | /* now that the requets is going, we loop toll we have a result */ |
3265 | /* now that the request is going, we loop till we have a result */ |
2974 | frame->data = (void *)state; |
3266 | frame->data = (void *)state; |
2975 | frame->prepare = prepare_schedule; |
3267 | frame->prepare = prepare_schedule; |
2976 | frame->check = slf_check_aio_req; |
3268 | frame->check = slf_check_aio_req; |
2977 | } |
3269 | } |
2978 | |
3270 | |
… | |
… | |
2988 | |
3280 | |
2989 | /*****************************************************************************/ |
3281 | /*****************************************************************************/ |
2990 | |
3282 | |
2991 | #if CORO_CLONE |
3283 | #if CORO_CLONE |
2992 | # include "clone.c" |
3284 | # include "clone.c" |
|
|
3285 | #endif |
|
|
3286 | |
|
|
3287 | /*****************************************************************************/ |
|
|
3288 | |
|
|
3289 | static SV * |
|
|
3290 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3291 | { |
|
|
3292 | SV *coro_sv; |
|
|
3293 | struct coro *coro; |
|
|
3294 | MAGIC *mg; |
|
|
3295 | HV *hv; |
|
|
3296 | SV *cb; |
|
|
3297 | int i; |
|
|
3298 | |
|
|
3299 | if (argc > 0) |
|
|
3300 | { |
|
|
3301 | cb = s_get_cv_croak (argv [0]); |
|
|
3302 | |
|
|
3303 | if (!is_coro) |
|
|
3304 | { |
|
|
3305 | if (CvISXSUB (cb)) |
|
|
3306 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3307 | |
|
|
3308 | if (!CvROOT (cb)) |
|
|
3309 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3310 | } |
|
|
3311 | } |
|
|
3312 | |
|
|
3313 | Newz (0, coro, 1, struct coro); |
|
|
3314 | coro->args = newAV (); |
|
|
3315 | coro->flags = CF_NEW; |
|
|
3316 | |
|
|
3317 | if (coro_first) coro_first->prev = coro; |
|
|
3318 | coro->next = coro_first; |
|
|
3319 | coro_first = coro; |
|
|
3320 | |
|
|
3321 | coro->hv = hv = newHV (); |
|
|
3322 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3323 | mg->mg_flags |= MGf_DUP; |
|
|
3324 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3325 | |
|
|
3326 | if (argc > 0) |
|
|
3327 | { |
|
|
3328 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3329 | |
|
|
3330 | if (is_coro) |
|
|
3331 | { |
|
|
3332 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3333 | cb = (SV *)cv_coro_run; |
|
|
3334 | } |
|
|
3335 | |
|
|
3336 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3337 | |
|
|
3338 | for (i = 1; i < argc; i++) |
|
|
3339 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3340 | } |
|
|
3341 | |
|
|
3342 | return coro_sv; |
|
|
3343 | } |
|
|
3344 | |
|
|
3345 | #ifndef __cplusplus |
|
|
3346 | ecb_cold XS(boot_Coro__State); |
|
|
3347 | #endif |
|
|
3348 | |
|
|
3349 | #if CORO_JIT |
|
|
3350 | |
|
|
3351 | static void ecb_noinline ecb_cold |
|
|
3352 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3353 | { |
|
|
3354 | dSP; |
|
|
3355 | AV *av = newAV (); |
|
|
3356 | |
|
|
3357 | av_store (av, 3, newSVuv (d)); |
|
|
3358 | av_store (av, 2, newSVuv (c)); |
|
|
3359 | av_store (av, 1, newSVuv (b)); |
|
|
3360 | av_store (av, 0, newSVuv (a)); |
|
|
3361 | |
|
|
3362 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3363 | |
|
|
3364 | PUTBACK; |
|
|
3365 | } |
|
|
3366 | |
|
|
3367 | static void ecb_noinline ecb_cold |
|
|
3368 | jit_init (pTHX) |
|
|
3369 | { |
|
|
3370 | dSP; |
|
|
3371 | SV *load, *save; |
|
|
3372 | char *map_base; |
|
|
3373 | char *load_ptr, *save_ptr; |
|
|
3374 | STRLEN load_len, save_len, map_len; |
|
|
3375 | int count; |
|
|
3376 | |
|
|
3377 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3378 | |
|
|
3379 | PUSHMARK (SP); |
|
|
3380 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3381 | #include "state.h" |
|
|
3382 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3383 | SPAGAIN; |
|
|
3384 | |
|
|
3385 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3386 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3387 | |
|
|
3388 | map_len = load_len + save_len + 16; |
|
|
3389 | |
|
|
3390 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3391 | |
|
|
3392 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3393 | |
|
|
3394 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3395 | memcpy (map_base, load_ptr, load_len); |
|
|
3396 | |
|
|
3397 | map_base += (load_len + 15) & ~15; |
|
|
3398 | |
|
|
3399 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3400 | memcpy (map_base, save_ptr, save_len); |
|
|
3401 | |
|
|
3402 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3403 | /* hackers might have it a bit more difficult */ |
|
|
3404 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3405 | |
|
|
3406 | PUTBACK; |
|
|
3407 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3408 | } |
|
|
3409 | |
2993 | #endif |
3410 | #endif |
2994 | |
3411 | |
2995 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3412 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2996 | |
3413 | |
2997 | PROTOTYPES: DISABLE |
3414 | PROTOTYPES: DISABLE |
… | |
… | |
3001 | #ifdef USE_ITHREADS |
3418 | #ifdef USE_ITHREADS |
3002 | # if CORO_PTHREAD |
3419 | # if CORO_PTHREAD |
3003 | coro_thx = PERL_GET_CONTEXT; |
3420 | coro_thx = PERL_GET_CONTEXT; |
3004 | # endif |
3421 | # endif |
3005 | #endif |
3422 | #endif |
3006 | BOOT_PAGESIZE; |
3423 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3424 | /* just create them one at init time is not clear to me, except for */ |
|
|
3425 | /* programs trying to delete them, but... */ |
|
|
3426 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3427 | DEFSV; |
|
|
3428 | ERRSV; |
3007 | |
3429 | |
3008 | cctx_current = cctx_new_empty (); |
3430 | cctx_current = cctx_new_empty (); |
3009 | |
3431 | |
3010 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3432 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3011 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3433 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
3051 | coroapi.prepare_nop = prepare_nop; |
3473 | coroapi.prepare_nop = prepare_nop; |
3052 | coroapi.prepare_schedule = prepare_schedule; |
3474 | coroapi.prepare_schedule = prepare_schedule; |
3053 | coroapi.prepare_cede = prepare_cede; |
3475 | coroapi.prepare_cede = prepare_cede; |
3054 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3476 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3055 | |
3477 | |
3056 | { |
3478 | time_init (aTHX); |
3057 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
3058 | |
|
|
3059 | if (!svp) croak ("Time::HiRes is required"); |
|
|
3060 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
3061 | |
|
|
3062 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3063 | |
|
|
3064 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
3065 | u2time = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3066 | } |
|
|
3067 | |
3479 | |
3068 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3480 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3481 | #if CORO_JIT |
|
|
3482 | PUTBACK; |
|
|
3483 | jit_init (aTHX); |
|
|
3484 | SPAGAIN; |
|
|
3485 | #endif |
3069 | } |
3486 | } |
3070 | |
3487 | |
3071 | SV * |
3488 | SV * |
3072 | new (char *klass, ...) |
3489 | new (SV *klass, ...) |
3073 | ALIAS: |
3490 | ALIAS: |
3074 | Coro::new = 1 |
3491 | Coro::new = 1 |
3075 | CODE: |
3492 | CODE: |
3076 | { |
3493 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
3077 | struct coro *coro; |
3494 | OUTPUT: |
3078 | MAGIC *mg; |
|
|
3079 | HV *hv; |
|
|
3080 | CV *cb; |
|
|
3081 | int i; |
|
|
3082 | |
|
|
3083 | if (items > 1) |
|
|
3084 | { |
|
|
3085 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
3086 | |
|
|
3087 | if (!ix) |
|
|
3088 | { |
|
|
3089 | if (CvISXSUB (cb)) |
|
|
3090 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3091 | |
|
|
3092 | if (!CvROOT (cb)) |
|
|
3093 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3094 | } |
|
|
3095 | } |
|
|
3096 | |
|
|
3097 | Newz (0, coro, 1, struct coro); |
|
|
3098 | coro->args = newAV (); |
|
|
3099 | coro->flags = CF_NEW; |
|
|
3100 | |
|
|
3101 | if (coro_first) coro_first->prev = coro; |
|
|
3102 | coro->next = coro_first; |
|
|
3103 | coro_first = coro; |
|
|
3104 | |
|
|
3105 | coro->hv = hv = newHV (); |
|
|
3106 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3107 | mg->mg_flags |= MGf_DUP; |
|
|
3108 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
3109 | |
|
|
3110 | if (items > 1) |
|
|
3111 | { |
|
|
3112 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
3113 | |
|
|
3114 | if (ix) |
|
|
3115 | { |
|
|
3116 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3117 | cb = cv_coro_run; |
|
|
3118 | } |
|
|
3119 | |
|
|
3120 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3121 | |
|
|
3122 | for (i = 2; i < items; i++) |
|
|
3123 | av_push (coro->args, newSVsv (ST (i))); |
|
|
3124 | } |
|
|
3125 | } |
|
|
3126 | OUTPUT: |
|
|
3127 | RETVAL |
3495 | RETVAL |
3128 | |
3496 | |
3129 | void |
3497 | void |
3130 | transfer (...) |
3498 | transfer (...) |
3131 | PROTOTYPE: $$ |
3499 | PROTOTYPE: $$ |
3132 | CODE: |
3500 | CODE: |
3133 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3501 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3134 | |
|
|
3135 | bool |
|
|
3136 | _destroy (SV *coro_sv) |
|
|
3137 | CODE: |
|
|
3138 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
3139 | OUTPUT: |
|
|
3140 | RETVAL |
|
|
3141 | |
|
|
3142 | void |
|
|
3143 | _exit (int code) |
|
|
3144 | PROTOTYPE: $ |
|
|
3145 | CODE: |
|
|
3146 | _exit (code); |
|
|
3147 | |
3502 | |
3148 | SV * |
3503 | SV * |
3149 | clone (Coro::State coro) |
3504 | clone (Coro::State coro) |
3150 | CODE: |
3505 | CODE: |
3151 | { |
3506 | { |
… | |
… | |
3206 | void |
3561 | void |
3207 | list () |
3562 | list () |
3208 | PROTOTYPE: |
3563 | PROTOTYPE: |
3209 | PPCODE: |
3564 | PPCODE: |
3210 | { |
3565 | { |
3211 | struct coro *coro; |
3566 | struct coro *coro; |
3212 | for (coro = coro_first; coro; coro = coro->next) |
3567 | for (coro = coro_first; coro; coro = coro->next) |
3213 | if (coro->hv) |
3568 | if (coro->hv) |
3214 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3569 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3215 | } |
3570 | } |
3216 | |
3571 | |
… | |
… | |
3221 | CODE: |
3576 | CODE: |
3222 | { |
3577 | { |
3223 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3578 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3224 | { |
3579 | { |
3225 | struct coro *current = SvSTATE_current; |
3580 | struct coro *current = SvSTATE_current; |
|
|
3581 | struct CoroSLF slf_save; |
3226 | |
3582 | |
3227 | if (current != coro) |
3583 | if (current != coro) |
3228 | { |
3584 | { |
3229 | PUTBACK; |
3585 | PUTBACK; |
3230 | save_perl (aTHX_ current); |
3586 | save_perl (aTHX_ current); |
3231 | load_perl (aTHX_ coro); |
3587 | load_perl (aTHX_ coro); |
|
|
3588 | /* the coro is most likely in an active SLF call. |
|
|
3589 | * while not strictly required (the code we execute is |
|
|
3590 | * not allowed to call any SLF functions), it's cleaner |
|
|
3591 | * to reinitialise the slf_frame and restore it later. |
|
|
3592 | * This might one day allow us to actually do SLF calls |
|
|
3593 | * from code executed here. |
|
|
3594 | */ |
|
|
3595 | slf_save = slf_frame; |
|
|
3596 | slf_frame.prepare = 0; |
3232 | SPAGAIN; |
3597 | SPAGAIN; |
3233 | } |
3598 | } |
3234 | |
3599 | |
3235 | PUSHSTACK; |
3600 | PUSHSTACK; |
3236 | |
3601 | |
… | |
… | |
3246 | SPAGAIN; |
3611 | SPAGAIN; |
3247 | |
3612 | |
3248 | if (current != coro) |
3613 | if (current != coro) |
3249 | { |
3614 | { |
3250 | PUTBACK; |
3615 | PUTBACK; |
|
|
3616 | slf_frame = slf_save; |
3251 | save_perl (aTHX_ coro); |
3617 | save_perl (aTHX_ coro); |
3252 | load_perl (aTHX_ current); |
3618 | load_perl (aTHX_ current); |
3253 | SPAGAIN; |
3619 | SPAGAIN; |
3254 | } |
3620 | } |
3255 | } |
3621 | } |
… | |
… | |
3260 | PROTOTYPE: $ |
3626 | PROTOTYPE: $ |
3261 | ALIAS: |
3627 | ALIAS: |
3262 | is_ready = CF_READY |
3628 | is_ready = CF_READY |
3263 | is_running = CF_RUNNING |
3629 | is_running = CF_RUNNING |
3264 | is_new = CF_NEW |
3630 | is_new = CF_NEW |
3265 | is_destroyed = CF_DESTROYED |
3631 | is_destroyed = CF_ZOMBIE |
|
|
3632 | is_zombie = CF_ZOMBIE |
3266 | is_suspended = CF_SUSPENDED |
3633 | is_suspended = CF_SUSPENDED |
3267 | CODE: |
3634 | CODE: |
3268 | RETVAL = boolSV (coro->flags & ix); |
3635 | RETVAL = boolSV (coro->flags & ix); |
3269 | OUTPUT: |
3636 | OUTPUT: |
3270 | RETVAL |
3637 | RETVAL |
3271 | |
3638 | |
3272 | void |
3639 | void |
3273 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3640 | throw (SV *self, SV *exception = &PL_sv_undef) |
3274 | PROTOTYPE: $;$ |
3641 | PROTOTYPE: $;$ |
3275 | CODE: |
3642 | CODE: |
3276 | { |
3643 | { |
|
|
3644 | struct coro *coro = SvSTATE (self); |
3277 | struct coro *current = SvSTATE_current; |
3645 | struct coro *current = SvSTATE_current; |
3278 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3646 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3279 | SvREFCNT_dec (*throwp); |
3647 | SvREFCNT_dec (*exceptionp); |
3280 | SvGETMAGIC (throw); |
3648 | SvGETMAGIC (exception); |
3281 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3649 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3650 | |
|
|
3651 | api_ready (aTHX_ self); |
3282 | } |
3652 | } |
3283 | |
3653 | |
3284 | void |
3654 | void |
3285 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3655 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3286 | PROTOTYPE: $;$ |
3656 | PROTOTYPE: $;$ |
… | |
… | |
3341 | |
3711 | |
3342 | void |
3712 | void |
3343 | cancel (Coro::State self) |
3713 | cancel (Coro::State self) |
3344 | CODE: |
3714 | CODE: |
3345 | coro_state_destroy (aTHX_ self); |
3715 | coro_state_destroy (aTHX_ self); |
3346 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3347 | |
|
|
3348 | |
3716 | |
3349 | SV * |
3717 | SV * |
3350 | enable_times (int enabled = enable_times) |
3718 | enable_times (int enabled = enable_times) |
3351 | CODE: |
3719 | CODE: |
3352 | { |
3720 | { |
… | |
… | |
3365 | |
3733 | |
3366 | void |
3734 | void |
3367 | times (Coro::State self) |
3735 | times (Coro::State self) |
3368 | PPCODE: |
3736 | PPCODE: |
3369 | { |
3737 | { |
3370 | struct coro *current = SvSTATE (coro_current); |
3738 | struct coro *current = SvSTATE (coro_current); |
3371 | |
3739 | |
3372 | if (expect_false (current == self)) |
3740 | if (ecb_expect_false (current == self)) |
3373 | { |
3741 | { |
3374 | coro_times_update (); |
3742 | coro_times_update (); |
3375 | coro_times_add (SvSTATE (coro_current)); |
3743 | coro_times_add (SvSTATE (coro_current)); |
3376 | } |
3744 | } |
3377 | |
3745 | |
3378 | EXTEND (SP, 2); |
3746 | EXTEND (SP, 2); |
3379 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3747 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3380 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3748 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3381 | |
3749 | |
3382 | if (expect_false (current == self)) |
3750 | if (ecb_expect_false (current == self)) |
3383 | coro_times_sub (SvSTATE (coro_current)); |
3751 | coro_times_sub (SvSTATE (coro_current)); |
3384 | } |
3752 | } |
|
|
3753 | |
|
|
3754 | void |
|
|
3755 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3756 | CODE: |
|
|
3757 | { |
|
|
3758 | struct coro *current = SvSTATE_current; |
|
|
3759 | |
|
|
3760 | if (current == coro) |
|
|
3761 | SWAP_SVS (current); |
|
|
3762 | |
|
|
3763 | if (!coro->swap_sv) |
|
|
3764 | coro->swap_sv = newAV (); |
|
|
3765 | |
|
|
3766 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3767 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3768 | |
|
|
3769 | if (current == coro) |
|
|
3770 | SWAP_SVS (current); |
|
|
3771 | } |
|
|
3772 | |
3385 | |
3773 | |
3386 | MODULE = Coro::State PACKAGE = Coro |
3774 | MODULE = Coro::State PACKAGE = Coro |
3387 | |
3775 | |
3388 | BOOT: |
3776 | BOOT: |
3389 | { |
3777 | { |
3390 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3778 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3391 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3779 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3392 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3780 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3393 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3394 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3781 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3395 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3782 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3396 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3783 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3397 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3784 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3398 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3785 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3399 | |
3786 | |
3400 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3787 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3401 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3788 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3402 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3789 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3403 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3790 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3404 | |
3791 | |
3405 | coro_stash = gv_stashpv ("Coro", TRUE); |
3792 | coro_stash = gv_stashpv ("Coro", TRUE); |
3406 | |
3793 | |
3407 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3794 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3408 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3795 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
… | |
… | |
3427 | sv_setiv (sv, (IV)&coroapi); |
3814 | sv_setiv (sv, (IV)&coroapi); |
3428 | SvREADONLY_on (sv); |
3815 | SvREADONLY_on (sv); |
3429 | } |
3816 | } |
3430 | } |
3817 | } |
3431 | |
3818 | |
|
|
3819 | SV * |
|
|
3820 | async (...) |
|
|
3821 | PROTOTYPE: &@ |
|
|
3822 | CODE: |
|
|
3823 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3824 | api_ready (aTHX_ RETVAL); |
|
|
3825 | OUTPUT: |
|
|
3826 | RETVAL |
|
|
3827 | |
|
|
3828 | void |
|
|
3829 | _destroy (Coro::State coro) |
|
|
3830 | CODE: |
|
|
3831 | /* used by the manager thread */ |
|
|
3832 | coro_state_destroy (aTHX_ coro); |
|
|
3833 | |
|
|
3834 | void |
|
|
3835 | on_destroy (Coro::State coro, SV *cb) |
|
|
3836 | CODE: |
|
|
3837 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3838 | |
|
|
3839 | void |
|
|
3840 | join (...) |
|
|
3841 | CODE: |
|
|
3842 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
3843 | |
3432 | void |
3844 | void |
3433 | terminate (...) |
3845 | terminate (...) |
3434 | CODE: |
3846 | CODE: |
3435 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3847 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3848 | |
|
|
3849 | void |
|
|
3850 | cancel (...) |
|
|
3851 | CODE: |
|
|
3852 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3853 | |
|
|
3854 | int |
|
|
3855 | safe_cancel (Coro::State self, ...) |
|
|
3856 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
3436 | |
3857 | |
3437 | void |
3858 | void |
3438 | schedule (...) |
3859 | schedule (...) |
3439 | CODE: |
3860 | CODE: |
3440 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3861 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
… | |
… | |
3470 | _set_readyhook (SV *hook) |
3891 | _set_readyhook (SV *hook) |
3471 | PROTOTYPE: $ |
3892 | PROTOTYPE: $ |
3472 | CODE: |
3893 | CODE: |
3473 | SvREFCNT_dec (coro_readyhook); |
3894 | SvREFCNT_dec (coro_readyhook); |
3474 | SvGETMAGIC (hook); |
3895 | SvGETMAGIC (hook); |
|
|
3896 | if (SvOK (hook)) |
|
|
3897 | { |
3475 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3898 | coro_readyhook = newSVsv (hook); |
|
|
3899 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3900 | } |
|
|
3901 | else |
|
|
3902 | { |
|
|
3903 | coro_readyhook = 0; |
|
|
3904 | CORO_READYHOOK = 0; |
|
|
3905 | } |
3476 | |
3906 | |
3477 | int |
3907 | int |
3478 | prio (Coro::State coro, int newprio = 0) |
3908 | prio (Coro::State coro, int newprio = 0) |
3479 | PROTOTYPE: $;$ |
3909 | PROTOTYPE: $;$ |
3480 | ALIAS: |
3910 | ALIAS: |
… | |
… | |
3544 | for (i = 1; i < items; ++i) |
3974 | for (i = 1; i < items; ++i) |
3545 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3975 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3546 | |
3976 | |
3547 | if ((SV *)hv == &PL_sv_undef) |
3977 | if ((SV *)hv == &PL_sv_undef) |
3548 | { |
3978 | { |
3549 | PUSHMARK (SP); |
3979 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3550 | EXTEND (SP, 2); |
|
|
3551 | PUSHs (sv_Coro); |
|
|
3552 | PUSHs ((SV *)cv_pool_handler); |
|
|
3553 | PUTBACK; |
|
|
3554 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3555 | SPAGAIN; |
|
|
3556 | |
|
|
3557 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
3980 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
3981 | SvREFCNT_dec (sv); |
3558 | } |
3982 | } |
3559 | |
3983 | |
3560 | { |
3984 | { |
3561 | struct coro *coro = SvSTATE_hv (hv); |
3985 | struct coro *coro = SvSTATE_hv (hv); |
3562 | |
3986 | |
… | |
… | |
3594 | on_leave = 1 |
4018 | on_leave = 1 |
3595 | PROTOTYPE: & |
4019 | PROTOTYPE: & |
3596 | CODE: |
4020 | CODE: |
3597 | { |
4021 | { |
3598 | struct coro *coro = SvSTATE_current; |
4022 | struct coro *coro = SvSTATE_current; |
3599 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4023 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3600 | |
4024 | |
3601 | block = (SV *)coro_sv_2cv (aTHX_ block); |
4025 | block = s_get_cv_croak (block); |
3602 | |
4026 | |
3603 | if (!*avp) |
4027 | if (!*avp) |
3604 | *avp = newAV (); |
4028 | *avp = newAV (); |
3605 | |
4029 | |
3606 | av_push (*avp, SvREFCNT_inc (block)); |
4030 | av_push (*avp, SvREFCNT_inc (block)); |
… | |
… | |
3624 | |
4048 | |
3625 | SV * |
4049 | SV * |
3626 | new (SV *klass, SV *count = 0) |
4050 | new (SV *klass, SV *count = 0) |
3627 | CODE: |
4051 | CODE: |
3628 | { |
4052 | { |
3629 | int semcnt = 1; |
4053 | int semcnt = 1; |
3630 | |
4054 | |
3631 | if (count) |
4055 | if (count) |
3632 | { |
4056 | { |
3633 | SvGETMAGIC (count); |
4057 | SvGETMAGIC (count); |
3634 | |
4058 | |
… | |
… | |
3694 | XSRETURN_NO; |
4118 | XSRETURN_NO; |
3695 | } |
4119 | } |
3696 | |
4120 | |
3697 | void |
4121 | void |
3698 | waiters (SV *self) |
4122 | waiters (SV *self) |
3699 | PPCODE: |
4123 | PPCODE: |
3700 | { |
4124 | { |
3701 | AV *av = (AV *)SvRV (self); |
4125 | AV *av = (AV *)SvRV (self); |
3702 | int wcount = AvFILLp (av) + 1 - 1; |
4126 | int wcount = AvFILLp (av) + 1 - 1; |
3703 | |
4127 | |
3704 | if (GIMME_V == G_SCALAR) |
4128 | if (GIMME_V == G_SCALAR) |
… | |
… | |
3713 | } |
4137 | } |
3714 | |
4138 | |
3715 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4139 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3716 | |
4140 | |
3717 | void |
4141 | void |
3718 | _may_delete (SV *sem, int count, int extra_refs) |
4142 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3719 | PPCODE: |
4143 | PPCODE: |
3720 | { |
4144 | { |
3721 | AV *av = (AV *)SvRV (sem); |
4145 | AV *av = (AV *)SvRV (sem); |
3722 | |
4146 | |
3723 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4147 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
3724 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4148 | && AvFILLp (av) == 0 /* no waiters, just count */ |
3725 | && SvIV (AvARRAY (av)[0]) == count) |
4149 | && SvIV (AvARRAY (av)[0]) == count) |
3726 | XSRETURN_YES; |
4150 | XSRETURN_YES; |
… | |
… | |
3747 | |
4171 | |
3748 | void |
4172 | void |
3749 | broadcast (SV *self) |
4173 | broadcast (SV *self) |
3750 | CODE: |
4174 | CODE: |
3751 | { |
4175 | { |
3752 | AV *av = (AV *)SvRV (self); |
4176 | AV *av = (AV *)SvRV (self); |
3753 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4177 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
3754 | } |
4178 | } |
3755 | |
4179 | |
3756 | void |
4180 | void |
3757 | send (SV *self) |
4181 | send (SV *self) |
… | |
… | |
3765 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4189 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3766 | } |
4190 | } |
3767 | |
4191 | |
3768 | IV |
4192 | IV |
3769 | awaited (SV *self) |
4193 | awaited (SV *self) |
3770 | CODE: |
4194 | CODE: |
3771 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4195 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
3772 | OUTPUT: |
4196 | OUTPUT: |
3773 | RETVAL |
4197 | RETVAL |
3774 | |
4198 | |
3775 | |
4199 | |
… | |
… | |
3780 | |
4204 | |
3781 | void |
4205 | void |
3782 | _schedule (...) |
4206 | _schedule (...) |
3783 | CODE: |
4207 | CODE: |
3784 | { |
4208 | { |
3785 | static int incede; |
4209 | static int incede; |
3786 | |
4210 | |
3787 | api_cede_notself (aTHX); |
4211 | api_cede_notself (aTHX); |
3788 | |
4212 | |
3789 | ++incede; |
4213 | ++incede; |
3790 | while (coro_nready >= incede && api_cede (aTHX)) |
4214 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
3806 | |
4230 | |
3807 | void |
4231 | void |
3808 | _register (char *target, char *proto, SV *req) |
4232 | _register (char *target, char *proto, SV *req) |
3809 | CODE: |
4233 | CODE: |
3810 | { |
4234 | { |
3811 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
4235 | SV *req_cv = s_get_cv_croak (req); |
3812 | /* newXSproto doesn't return the CV on 5.8 */ |
4236 | /* newXSproto doesn't return the CV on 5.8 */ |
3813 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
4237 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3814 | sv_setpv ((SV *)slf_cv, proto); |
4238 | sv_setpv ((SV *)slf_cv, proto); |
3815 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
4239 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3816 | } |
4240 | } |
3817 | |
4241 | |
|
|
4242 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
4243 | |
|
|
4244 | void |
|
|
4245 | patch_pp_sselect () |
|
|
4246 | CODE: |
|
|
4247 | if (!coro_old_pp_sselect) |
|
|
4248 | { |
|
|
4249 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4250 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4251 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4252 | } |
|
|
4253 | |
|
|
4254 | void |
|
|
4255 | unpatch_pp_sselect () |
|
|
4256 | CODE: |
|
|
4257 | if (coro_old_pp_sselect) |
|
|
4258 | { |
|
|
4259 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4260 | coro_old_pp_sselect = 0; |
|
|
4261 | } |
|
|
4262 | |
|
|
4263 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4264 | |
|
|
4265 | void |
|
|
4266 | _exit (int code) |
|
|
4267 | CODE: |
|
|
4268 | _exit (code); |
|
|
4269 | |
|
|
4270 | NV |
|
|
4271 | time () |
|
|
4272 | CODE: |
|
|
4273 | RETVAL = nvtime (aTHX); |
|
|
4274 | OUTPUT: |
|
|
4275 | RETVAL |
|
|
4276 | |
|
|
4277 | NV |
|
|
4278 | gettimeofday () |
|
|
4279 | PPCODE: |
|
|
4280 | { |
|
|
4281 | UV tv [2]; |
|
|
4282 | u2time (aTHX_ tv); |
|
|
4283 | EXTEND (SP, 2); |
|
|
4284 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4285 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4286 | } |
|
|
4287 | |