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Comparing Coro/Coro/State.xs (file contents):
Revision 1.293 by root, Tue Nov 18 06:10:03 2008 UTC vs.
Revision 1.301 by root, Wed Nov 19 02:41:31 2008 UTC

… …
120#endif 120#endif
121 121
122/* The next macros try to return the current stack pointer, in an as 122/* The next macros try to return the current stack pointer, in an as
123 * portable way as possible. */ 123 * portable way as possible. */
124#if __GNUC__ >= 4 124#if __GNUC__ >= 4
125# define dSTACKLEVEL int stacklevel_dummy
125# define dSTACKLEVEL void *stacklevel = __builtin_frame_address (0) 126# define STACKLEVEL __builtin_frame_address (0)
126#else 127#else
127# define dSTACKLEVEL volatile void *stacklevel = (volatile void *)&stacklevel 128# define dSTACKLEVEL volatile void *stacklevel
129# define STACKLEVEL ((void *)&stacklevel)
128#endif 130#endif
129 131
130#define IN_DESTRUCT (PL_main_cv == Nullcv) 132#define IN_DESTRUCT (PL_main_cv == Nullcv)
131 133
132#if __GNUC__ >= 3 134#if __GNUC__ >= 3
… …
143#define expect_true(expr) expect ((expr) != 0, 1) 145#define expect_true(expr) expect ((expr) != 0, 1)
144 146
145#define NOINLINE attribute ((noinline)) 147#define NOINLINE attribute ((noinline))
146 148
147#include "CoroAPI.h" 149#include "CoroAPI.h"
150#define GCoroAPI (&coroapi) /* very sneaky */
148 151
149#ifdef USE_ITHREADS 152#ifdef USE_ITHREADS
150# if CORO_PTHREAD 153# if CORO_PTHREAD
151static void *coro_thx; 154static void *coro_thx;
152# endif 155# endif
… …
254 /* statistics */ 257 /* statistics */
255 int usecount; /* number of transfers to this coro */ 258 int usecount; /* number of transfers to this coro */
256 259
257 /* coro process data */ 260 /* coro process data */
258 int prio; 261 int prio;
259 SV *throw; /* exception to be thrown */ 262 SV *except; /* exception to be thrown */
260 263
261 /* async_pool */ 264 /* async_pool */
262 SV *saved_deffh; 265 SV *saved_deffh;
263 266
264 /* linked list */ 267 /* linked list */
… …
270 273
271/* the following variables are effectively part of the perl context */ 274/* the following variables are effectively part of the perl context */
272/* and get copied between struct coro and these variables */ 275/* and get copied between struct coro and these variables */
273/* the mainr easonw e don't support windows process emulation */ 276/* the mainr easonw e don't support windows process emulation */
274static struct CoroSLF slf_frame; /* the current slf frame */ 277static struct CoroSLF slf_frame; /* the current slf frame */
275static SV *coro_throw;
276 278
277/** Coro ********************************************************************/ 279/** Coro ********************************************************************/
278 280
279#define PRIO_MAX 3 281#define PRIO_MAX 3
280#define PRIO_HIGH 1 282#define PRIO_HIGH 1
… …
509 511
510 PUTBACK; 512 PUTBACK;
511 } 513 }
512 514
513 slf_frame = c->slf_frame; 515 slf_frame = c->slf_frame;
514 coro_throw = c->throw; 516 CORO_THROW = c->except;
515} 517}
516 518
517static void 519static void
518save_perl (pTHX_ Coro__State c) 520save_perl (pTHX_ Coro__State c)
519{ 521{
520 c->throw = coro_throw; 522 c->except = CORO_THROW;
521 c->slf_frame = slf_frame; 523 c->slf_frame = slf_frame;
522 524
523 { 525 {
524 dSP; 526 dSP;
525 I32 cxix = cxstack_ix; 527 I32 cxix = cxstack_ix;
… …
857 { 859 {
858 dSP; 860 dSP;
859 UNOP myop; 861 UNOP myop;
860 862
861 Zero (&myop, 1, UNOP); 863 Zero (&myop, 1, UNOP);
862 myop.op_next = Nullop; 864 myop.op_next = Nullop;
863 myop.op_flags = OPf_WANT_VOID; 865 myop.op_flags = OPf_WANT_VOID;
864 866
865 PUSHMARK (SP); 867 PUSHMARK (SP);
866 XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); 868 XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
867 PUTBACK; 869 PUTBACK;
… …
875 */ 877 */
876 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ 878 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
877 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ 879 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
878 880
879 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ 881 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
882 coro_setup_op.op_next = PL_op;
880 coro_setup_op.op_type = OP_CUSTOM; 883 coro_setup_op.op_type = OP_CUSTOM;
881 coro_setup_op.op_ppaddr = pp_slf; 884 coro_setup_op.op_ppaddr = pp_slf;
882 coro_setup_op.op_next = PL_op; 885 /* no flags required, as an init function won't be called */
883 886
884 PL_op = (OP *)&coro_setup_op; 887 PL_op = (OP *)&coro_setup_op;
885 888
886 /* copy throw, in case it was set before coro_setup */ 889 /* copy throw, in case it was set before coro_setup */
887 coro_throw = coro->throw; 890 CORO_THROW = coro->except;
888} 891}
889 892
890static void 893static void
891coro_destruct (pTHX_ struct coro *coro) 894coro_destruct (pTHX_ struct coro *coro)
892{ 895{
… …
916 919
917 SvREFCNT_dec (PL_diehook); 920 SvREFCNT_dec (PL_diehook);
918 SvREFCNT_dec (PL_warnhook); 921 SvREFCNT_dec (PL_warnhook);
919 922
920 SvREFCNT_dec (coro->saved_deffh); 923 SvREFCNT_dec (coro->saved_deffh);
921 SvREFCNT_dec (coro_throw); 924 SvREFCNT_dec (CORO_THROW);
922 925
923 coro_destruct_stacks (aTHX); 926 coro_destruct_stacks (aTHX);
924} 927}
925 928
926INLINE void 929INLINE void
… …
1070static int 1073static int
1071slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) 1074slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1072{ 1075{
1073 *frame = cctx_ssl_frame; 1076 *frame = cctx_ssl_frame;
1074 1077
1075 return 1; /* execute the restored frame - there must be one */ 1078 return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1076} 1079}
1077 1080
1078/* initialises PL_top_env and injects a pseudo-slf-call to sett he stacklevel */ 1081/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1079static void NOINLINE 1082static void NOINLINE
1080cctx_prepare (pTHX_ coro_cctx *cctx) 1083cctx_prepare (pTHX_ coro_cctx *cctx)
1081{ 1084{
1082 PL_top_env = &PL_start_env; 1085 PL_top_env = &PL_start_env;
1083 1086
… …
1087 /* we already must be executing an SLF op, there is no other valid way 1090 /* we already must be executing an SLF op, there is no other valid way
1088 * that can lead to creation of a new cctx */ 1091 * that can lead to creation of a new cctx */
1089 assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", 1092 assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1090 slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); 1093 slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1091 1094
1095 /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1092 cctx_ssl_cctx = cctx; 1096 cctx_ssl_cctx = cctx;
1093 cctx_ssl_frame = slf_frame; 1097 cctx_ssl_frame = slf_frame;
1094 1098
1095 slf_frame.prepare = slf_prepare_set_stacklevel; 1099 slf_frame.prepare = slf_prepare_set_stacklevel;
1096 slf_frame.check = slf_check_set_stacklevel; 1100 slf_frame.check = slf_check_set_stacklevel;
… …
1317 dSTACKLEVEL; 1321 dSTACKLEVEL;
1318 1322
1319 /* sometimes transfer is only called to set idle_sp */ 1323 /* sometimes transfer is only called to set idle_sp */
1320 if (expect_false (!next)) 1324 if (expect_false (!next))
1321 { 1325 {
1322 ((coro_cctx *)prev)->idle_sp = (void *)stacklevel; 1326 ((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1323 assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ 1327 assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1324 } 1328 }
1325 else if (expect_true (prev != next)) 1329 else if (expect_true (prev != next))
1326 { 1330 {
1327 coro_cctx *prev__cctx; 1331 coro_cctx *prev__cctx;
… …
1352 1356
1353 prev__cctx = prev->cctx; 1357 prev__cctx = prev->cctx;
1354 1358
1355 /* possibly untie and reuse the cctx */ 1359 /* possibly untie and reuse the cctx */
1356 if (expect_true ( 1360 if (expect_true (
1357 prev__cctx->idle_sp == (void *)stacklevel 1361 prev__cctx->idle_sp == STACKLEVEL
1358 && !(prev__cctx->flags & CC_TRACE) 1362 && !(prev__cctx->flags & CC_TRACE)
1359 && !force_cctx 1363 && !force_cctx
1360 )) 1364 ))
1361 { 1365 {
1362 /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ 1366 /* I assume that stacklevel is a stronger indicator than PL_top_env changes */
… …
1835 } 1839 }
1836 while (slf_frame.check (aTHX_ &slf_frame)); 1840 while (slf_frame.check (aTHX_ &slf_frame));
1837 1841
1838 slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ 1842 slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */
1839 1843
1844 /* exception handling */
1845 if (expect_false (CORO_THROW))
1846 {
1847 SV *exception = sv_2mortal (CORO_THROW);
1848
1849 CORO_THROW = 0;
1850 sv_setsv (ERRSV, exception);
1851 croak (0);
1852 }
1853
1840 /* return value handling - mostly like entersub */ 1854 /* return value handling - mostly like entersub */
1841 /* make sure we put something on the stack in scalar context */ 1855 /* make sure we put something on the stack in scalar context */
1842 if (GIMME_V == G_SCALAR) 1856 if (GIMME_V == G_SCALAR)
1843 { 1857 {
1844 dSP; 1858 dSP;
… …
1850 bot [1] = *sp; 1864 bot [1] = *sp;
1851 1865
1852 SP = bot + 1; 1866 SP = bot + 1;
1853 1867
1854 PUTBACK; 1868 PUTBACK;
1855 }
1856
1857 /* exception handling */
1858 if (expect_false (coro_throw))
1859 {
1860 SV *exception = sv_2mortal (coro_throw);
1861
1862 coro_throw = 0;
1863 sv_setsv (ERRSV, exception);
1864 croak (0);
1865 } 1869 }
1866 1870
1867 return NORMAL; 1871 return NORMAL;
1868} 1872}
1869 1873
… …
1991 PerlIOBuf_get_cnt, 1995 PerlIOBuf_get_cnt,
1992 PerlIOBuf_set_ptrcnt, 1996 PerlIOBuf_set_ptrcnt,
1993}; 1997};
1994 1998
1995/*****************************************************************************/ 1999/*****************************************************************************/
2000/* Coro::Semaphore & Coro::Signal */
2001
2002static SV *
2003coro_waitarray_new (pTHX_ int count)
2004{
2005 /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */
2006 AV *av = newAV ();
2007 SV **ary;
2008
2009 /* unfortunately, building manually saves memory */
2010 Newx (ary, 2, SV *);
2011 AvALLOC (av) = ary;
2012 AvARRAY (av) = ary;
2013 AvMAX (av) = 1;
2014 AvFILLp (av) = 0;
2015 ary [0] = newSViv (count);
2016
2017 return newRV_noinc ((SV *)av);
2018}
2019
1996/* Coro::Semaphore */ 2020/* semaphore */
1997 2021
1998static void 2022static void
1999coro_semaphore_adjust (pTHX_ AV *av, IV adjust) 2023coro_semaphore_adjust (pTHX_ AV *av, IV adjust)
2000{ 2024{
2001 SV *count_sv = AvARRAY (av)[0]; 2025 SV *count_sv = AvARRAY (av)[0];
… …
2031 /* call $sem->adjust (0) to possibly wake up some other waiters */ 2055 /* call $sem->adjust (0) to possibly wake up some other waiters */
2032 coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); 2056 coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0);
2033} 2057}
2034 2058
2035static int 2059static int
2036slf_check_semaphore_down (pTHX_ struct CoroSLF *frame) 2060slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire)
2037{ 2061{
2038 AV *av = (AV *)frame->data; 2062 AV *av = (AV *)frame->data;
2039 SV *count_sv = AvARRAY (av)[0]; 2063 SV *count_sv = AvARRAY (av)[0];
2040 2064
2065 /* if we are about to throw, don't actually acquire the lock, just throw */
2066 if (CORO_THROW)
2067 return 0;
2041 if (SvIVX (count_sv) > 0) 2068 else if (SvIVX (count_sv) > 0)
2042 { 2069 {
2043 SvSTATE_current->on_destroy = 0; 2070 SvSTATE_current->on_destroy = 0;
2071
2072 if (acquire)
2044 SvIVX (count_sv) = SvIVX (count_sv) - 1; 2073 SvIVX (count_sv) = SvIVX (count_sv) - 1;
2074 else
2075 coro_semaphore_adjust (aTHX_ av, 0);
2076
2045 return 0; 2077 return 0;
2046 } 2078 }
2047 else 2079 else
2048 { 2080 {
2049 int i; 2081 int i;
… …
2058 av_push (av, SvREFCNT_inc (SvRV (coro_current))); 2090 av_push (av, SvREFCNT_inc (SvRV (coro_current)));
2059 return 1; 2091 return 1;
2060 } 2092 }
2061} 2093}
2062 2094
2063static void 2095static int
2096slf_check_semaphore_down (pTHX_ struct CoroSLF *frame)
2097{
2098 return slf_check_semaphore_down_or_wait (aTHX_ frame, 1);
2099}
2100
2101static int
2102slf_check_semaphore_wait (pTHX_ struct CoroSLF *frame)
2103{
2104 return slf_check_semaphore_down_or_wait (aTHX_ frame, 0);
2105}
2106
2107static void
2064slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2108slf_init_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2065{ 2109{
2066 AV *av = (AV *)SvRV (arg [0]); 2110 AV *av = (AV *)SvRV (arg [0]);
2067 2111
2068 if (SvIVX (AvARRAY (av)[0]) > 0) 2112 if (SvIVX (AvARRAY (av)[0]) > 0)
2069 { 2113 {
2070 frame->data = (void *)av; 2114 frame->data = (void *)av;
2071 frame->prepare = prepare_nop; 2115 frame->prepare = prepare_nop;
2072 SvSTATE_current->on_destroy = coro_semaphore_on_destroy;
2073 } 2116 }
2074 else 2117 else
2075 { 2118 {
2076 av_push (av, SvREFCNT_inc (SvRV (coro_current))); 2119 av_push (av, SvREFCNT_inc (SvRV (coro_current)));
2077 2120
2078 frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); 2121 frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av));
2079 frame->prepare = prepare_schedule; 2122 frame->prepare = prepare_schedule;
2080 2123
2081 /* to avoid race conditions when a woken-up coro gets terminated */ 2124 /* to avoid race conditions when a woken-up coro gets terminated */
2082 /* we arrange for a temporary on_destroy that calls adjust (0) */ 2125 /* we arrange for a temporary on_destroy that calls adjust (0) */
2083 assert (!SvSTATE_current->on_destroy);//D
2084 SvSTATE_current->on_destroy = coro_semaphore_on_destroy; 2126 SvSTATE_current->on_destroy = coro_semaphore_on_destroy;
2085 } 2127 }
2128}
2086 2129
2130static void
2131slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2132{
2133 slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);
2087 frame->check = slf_check_semaphore_down; 2134 frame->check = slf_check_semaphore_down;
2135}
2088 2136
2137static void
2138slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2139{
2140 slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);
2141 frame->check = slf_check_semaphore_wait;
2142}
2143
2144/* signal */
2145
2146static void
2147coro_signal_wake (pTHX_ AV *av, int count)
2148{
2149 SvIVX (AvARRAY (av)[0]) = 0;
2150
2151 /* now signal count waiters */
2152 while (count > 0 && AvFILLp (av) > 0)
2153 {
2154 SV *cb;
2155
2156 /* swap first two elements so we can shift a waiter */
2157 cb = AvARRAY (av)[0];
2158 AvARRAY (av)[0] = AvARRAY (av)[1];
2159 AvARRAY (av)[1] = cb;
2160
2161 cb = av_shift (av);
2162
2163 api_ready (aTHX_ cb);
2164 sv_setiv (cb, 0); /* signal waiter */
2165 SvREFCNT_dec (cb);
2166
2167 --count;
2168 }
2169}
2170
2171static int
2172slf_check_signal_wait (pTHX_ struct CoroSLF *frame)
2173{
2174 /* if we are about to throw, also stop waiting */
2175 return SvROK ((SV *)frame->data) && !CORO_THROW;
2176}
2177
2178static void
2179slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2180{
2181 AV *av = (AV *)SvRV (arg [0]);
2182
2183 if (SvIVX (AvARRAY (av)[0]))
2184 {
2185 SvIVX (AvARRAY (av)[0]) = 0;
2186 frame->prepare = prepare_nop;
2187 frame->check = slf_check_nop;
2188 }
2189 else
2190 {
2191 SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */
2192
2193 av_push (av, waiter);
2194
2195 frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */
2196 frame->prepare = prepare_schedule;
2197 frame->check = slf_check_signal_wait;
2198 }
2089} 2199}
2090 2200
2091/*****************************************************************************/ 2201/*****************************************************************************/
2092/* gensub: simple closure generation utility */ 2202/* gensub: simple closure generation utility */
2093 2203
… …
2165 2275
2166static int 2276static int
2167slf_check_aio_req (pTHX_ struct CoroSLF *frame) 2277slf_check_aio_req (pTHX_ struct CoroSLF *frame)
2168{ 2278{
2169 AV *state = (AV *)frame->data; 2279 AV *state = (AV *)frame->data;
2280
2281 /* if we are about to throw, return early */
2282 /* this does not cancel the aio request, but at least */
2283 /* it quickly returns */
2284 if (CORO_THROW)
2285 return 0;
2170 2286
2171 /* one element that is an RV? repeat! */ 2287 /* one element that is an RV? repeat! */
2172 if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) 2288 if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0]))
2173 return 1; 2289 return 1;
2174 2290
… …
2506throw (Coro::State self, SV *throw = &PL_sv_undef) 2622throw (Coro::State self, SV *throw = &PL_sv_undef)
2507 PROTOTYPE: $;$ 2623 PROTOTYPE: $;$
2508 CODE: 2624 CODE:
2509{ 2625{
2510 struct coro *current = SvSTATE_current; 2626 struct coro *current = SvSTATE_current;
2511 SV **throwp = self == current ? &coro_throw : &self->throw; 2627 SV **throwp = self == current ? &CORO_THROW : &self->except;
2512 SvREFCNT_dec (*throwp); 2628 SvREFCNT_dec (*throwp);
2513 *throwp = SvOK (throw) ? newSVsv (throw) : 0; 2629 *throwp = SvOK (throw) ? newSVsv (throw) : 0;
2514} 2630}
2515 2631
2516void 2632void
… …
2605 coroapi.ready = api_ready; 2721 coroapi.ready = api_ready;
2606 coroapi.is_ready = api_is_ready; 2722 coroapi.is_ready = api_is_ready;
2607 coroapi.nready = coro_nready; 2723 coroapi.nready = coro_nready;
2608 coroapi.current = coro_current; 2724 coroapi.current = coro_current;
2609 2725
2610 GCoroAPI = &coroapi; 2726 /*GCoroAPI = &coroapi;*/
2611 sv_setiv (sv, (IV)&coroapi); 2727 sv_setiv (sv, (IV)&coroapi);
2612 SvREADONLY_on (sv); 2728 SvREADONLY_on (sv);
2613 } 2729 }
2614} 2730}
2615 2731
… …
2761 2877
2762 2878
2763MODULE = Coro::State PACKAGE = Coro::Semaphore 2879MODULE = Coro::State PACKAGE = Coro::Semaphore
2764 2880
2765SV * 2881SV *
2766new (SV *klass, SV *count_ = 0) 2882new (SV *klass, SV *count = 0)
2767 CODE: 2883 CODE:
2768{ 2884 RETVAL = sv_bless (
2769 /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ 2885 coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),
2770 AV *av = newAV (); 2886 GvSTASH (CvGV (cv))
2771 SV **ary; 2887 );
2888 OUTPUT:
2889 RETVAL
2772 2890
2773 /* unfortunately, building manually saves memory */ 2891# helper for Coro::Channel
2774 Newx (ary, 2, SV *); 2892SV *
2775 AvALLOC (av) = ary; 2893_alloc (int count)
2776 AvARRAY (av) = ary; 2894 CODE:
2777 AvMAX (av) = 1; 2895 RETVAL = coro_waitarray_new (aTHX_ count);
2778 AvFILLp (av) = 0;
2779 ary [0] = newSViv (count_ && SvOK (count_) ? SvIV (count_) : 1);
2780
2781 RETVAL = sv_bless (newRV_noinc ((SV *)av), GvSTASH (CvGV (cv)));
2782}
2783 OUTPUT: 2896 OUTPUT:
2784 RETVAL 2897 RETVAL
2785 2898
2786SV * 2899SV *
2787count (SV *self) 2900count (SV *self)
… …
2799 2912
2800void 2913void
2801down (SV *self) 2914down (SV *self)
2802 CODE: 2915 CODE:
2803 CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); 2916 CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);
2917
2918void
2919wait (SV *self)
2920 CODE:
2921 CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait);
2804 2922
2805void 2923void
2806try (SV *self) 2924try (SV *self)
2807 PPCODE: 2925 PPCODE:
2808{ 2926{
… …
2820 XSRETURN_NO; 2938 XSRETURN_NO;
2821} 2939}
2822 2940
2823void 2941void
2824waiters (SV *self) 2942waiters (SV *self)
2825 CODE: 2943 PPCODE:
2826{ 2944{
2827 AV *av = (AV *)SvRV (self); 2945 AV *av = (AV *)SvRV (self);
2946 int wcount = AvFILLp (av) + 1 - 1;
2828 2947
2829 if (GIMME_V == G_SCALAR) 2948 if (GIMME_V == G_SCALAR)
2830 XPUSHs (sv_2mortal (newSVsv (AvARRAY (av)[0]))); 2949 XPUSHs (sv_2mortal (newSViv (wcount)));
2831 else 2950 else
2832 { 2951 {
2833 int i; 2952 int i;
2834 EXTEND (SP, AvFILLp (av) + 1 - 1); 2953 EXTEND (SP, wcount);
2835 for (i = 1; i <= AvFILLp (av); ++i) 2954 for (i = 1; i <= wcount; ++i)
2836 PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); 2955 PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
2837 } 2956 }
2838} 2957}
2958
2959MODULE = Coro::State PACKAGE = Coro::Signal
2960
2961SV *
2962new (SV *klass)
2963 CODE:
2964 RETVAL = sv_bless (
2965 coro_waitarray_new (aTHX_ 0),
2966 GvSTASH (CvGV (cv))
2967 );
2968 OUTPUT:
2969 RETVAL
2970
2971void
2972wait (SV *self)
2973 CODE:
2974 CORO_EXECUTE_SLF_XS (slf_init_signal_wait);
2975
2976void
2977broadcast (SV *self)
2978 CODE:
2979{
2980 AV *av = (AV *)SvRV (self);
2981 coro_signal_wake (aTHX_ av, AvFILLp (av));
2982}
2983
2984void
2985send (SV *self)
2986 CODE:
2987{
2988 AV *av = (AV *)SvRV (self);
2989
2990 if (AvFILLp (av))
2991 coro_signal_wake (aTHX_ av, 1);
2992 else
2993 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */
2994}
2995
2996IV
2997awaited (SV *self)
2998 CODE:
2999 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1;
3000 OUTPUT:
3001 RETVAL
2839 3002
2840 3003
2841MODULE = Coro::State PACKAGE = Coro::AnyEvent 3004MODULE = Coro::State PACKAGE = Coro::AnyEvent
2842 3005
2843BOOT: 3006BOOT:

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