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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 1.314 by root, Thu Nov 20 03:24:39 2008 UTC

… …
16 16
17#ifdef WIN32 17#ifdef WIN32
18# undef setjmp 18# undef setjmp
19# undef longjmp 19# undef longjmp
20# undef _exit 20# undef _exit
21# define setjmp _setjmp // deep magic, don't ask 21# define setjmp _setjmp /* deep magic */
22#else 22#else
23# include <inttypes.h> /* most portable stdint.h */ 23# include <inttypes.h> /* most portable stdint.h */
24#endif 24#endif
25 25
26#ifdef HAVE_MMAP 26#ifdef HAVE_MMAP
… …
55 55
56#define PERL_VERSION_ATLEAST(a,b,c) \ 56#define PERL_VERSION_ATLEAST(a,b,c) \
57 (PERL_REVISION > (a) \ 57 (PERL_REVISION > (a) \
58 || (PERL_REVISION == (a) \ 58 || (PERL_REVISION == (a) \
59 && (PERL_VERSION > (b) \ 59 && (PERL_VERSION > (b) \
60 || (PERL_VERSION == (b) && PERLSUBVERSION >= (c))))) 60 || (PERL_VERSION == (b) && PERL_SUBVERSION >= (c)))))
61 61
62#if !PERL_VERSION_ATLEAST (5,6,0) 62#if !PERL_VERSION_ATLEAST (5,6,0)
63# ifndef PL_ppaddr 63# ifndef PL_ppaddr
64# define PL_ppaddr ppaddr 64# define PL_ppaddr ppaddr
65# endif 65# endif
… …
98# define newSV(l) NEWSV(0,l) 98# define newSV(l) NEWSV(0,l)
99#endif 99#endif
100#ifndef CvISXSUB_on 100#ifndef CvISXSUB_on
101# define CvISXSUB_on(cv) (void)cv 101# define CvISXSUB_on(cv) (void)cv
102#endif 102#endif
103#ifndef CvISXSUB
104# define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE)
105#endif
103 106
104/* 5.8.7 */ 107/* 5.8.7 */
105#ifndef SvRV_set 108#ifndef SvRV_set
106# define SvRV_set(s,v) SvRV(s) = (v) 109# define SvRV_set(s,v) SvRV(s) = (v)
107#endif 110#endif
… …
120#endif 123#endif
121 124
122/* The next macros try to return the current stack pointer, in an as 125/* The next macros try to return the current stack pointer, in an as
123 * portable way as possible. */ 126 * portable way as possible. */
124#if __GNUC__ >= 4 127#if __GNUC__ >= 4
128# define dSTACKLEVEL int stacklevel_dummy
125# define dSTACKLEVEL void *stacklevel = __builtin_frame_address (0) 129# define STACKLEVEL __builtin_frame_address (0)
126#else 130#else
127# define dSTACKLEVEL volatile void *stacklevel = (volatile void *)&stacklevel 131# define dSTACKLEVEL volatile void *stacklevel
132# define STACKLEVEL ((void *)&stacklevel)
128#endif 133#endif
129 134
130#define IN_DESTRUCT (PL_main_cv == Nullcv) 135#define IN_DESTRUCT (PL_main_cv == Nullcv)
131 136
132#if __GNUC__ >= 3 137#if __GNUC__ >= 3
… …
143#define expect_true(expr) expect ((expr) != 0, 1) 148#define expect_true(expr) expect ((expr) != 0, 1)
144 149
145#define NOINLINE attribute ((noinline)) 150#define NOINLINE attribute ((noinline))
146 151
147#include "CoroAPI.h" 152#include "CoroAPI.h"
153#define GCoroAPI (&coroapi) /* very sneaky */
148 154
149#ifdef USE_ITHREADS 155#ifdef USE_ITHREADS
150# if CORO_PTHREAD 156# if CORO_PTHREAD
151static void *coro_thx; 157static void *coro_thx;
152# endif 158# endif
… …
173static HV *hv_sig; /* %SIG */ 179static HV *hv_sig; /* %SIG */
174 180
175/* async_pool helper stuff */ 181/* async_pool helper stuff */
176static SV *sv_pool_rss; 182static SV *sv_pool_rss;
177static SV *sv_pool_size; 183static SV *sv_pool_size;
184static SV *sv_async_pool_idle;
178static AV *av_async_pool; 185static AV *av_async_pool;
186static SV *sv_Coro;
187static CV *cv_pool_handler;
188static CV *cv_coro_new;
179 189
180/* Coro::AnyEvent */ 190/* Coro::AnyEvent */
181static SV *sv_activity; 191static SV *sv_activity;
182 192
183static struct coro_cctx *cctx_first; 193static struct coro_cctx *cctx_first;
… …
243 /* state data */ 253 /* state data */
244 struct CoroSLF slf_frame; /* saved slf frame */ 254 struct CoroSLF slf_frame; /* saved slf frame */
245 AV *mainstack; 255 AV *mainstack;
246 perl_slots *slot; /* basically the saved sp */ 256 perl_slots *slot; /* basically the saved sp */
247 257
258 CV *startcv; /* the CV to execute */
248 AV *args; /* data associated with this coroutine (initial args) */ 259 AV *args; /* data associated with this coroutine (initial args) */
249 int refcnt; /* coroutines are refcounted, yes */ 260 int refcnt; /* coroutines are refcounted, yes */
250 int flags; /* CF_ flags */ 261 int flags; /* CF_ flags */
251 HV *hv; /* the perl hash associated with this coro, if any */ 262 HV *hv; /* the perl hash associated with this coro, if any */
252 void (*on_destroy)(pTHX_ struct coro *coro); 263 void (*on_destroy)(pTHX_ struct coro *coro);
253 264
254 /* statistics */ 265 /* statistics */
255 int usecount; /* number of transfers to this coro */ 266 int usecount; /* number of transfers to this coro */
256 267
257 /* coro process data */ 268 /* coro process data */
258 int prio; 269 int prio;
259 SV *throw; /* exception to be thrown */ 270 SV *except; /* exception to be thrown */
271 SV *rouse_cb;
260 272
261 /* async_pool */ 273 /* async_pool */
262 SV *saved_deffh; 274 SV *saved_deffh;
275 SV *invoke_cb;
276 AV *invoke_av;
263 277
264 /* linked list */ 278 /* linked list */
265 struct coro *next, *prev; 279 struct coro *next, *prev;
266}; 280};
267 281
… …
270 284
271/* the following variables are effectively part of the perl context */ 285/* the following variables are effectively part of the perl context */
272/* and get copied between struct coro and these variables */ 286/* and get copied between struct coro and these variables */
273/* the mainr easonw e don't support windows process emulation */ 287/* the mainr easonw e don't support windows process emulation */
274static struct CoroSLF slf_frame; /* the current slf frame */ 288static struct CoroSLF slf_frame; /* the current slf frame */
275static SV *coro_throw;
276 289
277/** Coro ********************************************************************/ 290/** Coro ********************************************************************/
278 291
279#define PRIO_MAX 3 292#define PRIO_MAX 3
280#define PRIO_HIGH 1 293#define PRIO_HIGH 1
… …
285 298
286/* for Coro.pm */ 299/* for Coro.pm */
287static SV *coro_current; 300static SV *coro_current;
288static SV *coro_readyhook; 301static SV *coro_readyhook;
289static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; 302static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
303static CV *cv_coro_run, *cv_coro_terminate;
290static struct coro *coro_first; 304static struct coro *coro_first;
291#define coro_nready coroapi.nready 305#define coro_nready coroapi.nready
292 306
293/** lowlevel stuff **********************************************************/ 307/** lowlevel stuff **********************************************************/
294 308
… …
318#if PERL_VERSION_ATLEAST (5,10,0) 332#if PERL_VERSION_ATLEAST (5,10,0)
319 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 333 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
320 get_hv (name, create); 334 get_hv (name, create);
321#endif 335#endif
322 return get_hv (name, create); 336 return get_hv (name, create);
337}
338
339/* may croak */
340INLINE CV *
341coro_sv_2cv (pTHX_ SV *sv)
342{
343 HV *st;
344 GV *gvp;
345 return sv_2cv (sv, &st, &gvp, 0);
323} 346}
324 347
325static AV * 348static AV *
326coro_clone_padlist (pTHX_ CV *cv) 349coro_clone_padlist (pTHX_ CV *cv)
327{ 350{
… …
446 else 469 else
447 { 470 {
448#if CORO_PREFER_PERL_FUNCTIONS 471#if CORO_PREFER_PERL_FUNCTIONS
449 /* this is probably cleaner? but also slower! */ 472 /* this is probably cleaner? but also slower! */
450 /* in practise, it seems to be less stable */ 473 /* in practise, it seems to be less stable */
451 CV *cp = Perl_cv_clone (cv); 474 CV *cp = Perl_cv_clone (aTHX_ cv);
452 CvPADLIST (cv) = CvPADLIST (cp); 475 CvPADLIST (cv) = CvPADLIST (cp);
453 CvPADLIST (cp) = 0; 476 CvPADLIST (cp) = 0;
454 SvREFCNT_dec (cp); 477 SvREFCNT_dec (cp);
455#else 478#else
456 CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); 479 CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
… …
509 532
510 PUTBACK; 533 PUTBACK;
511 } 534 }
512 535
513 slf_frame = c->slf_frame; 536 slf_frame = c->slf_frame;
514 coro_throw = c->throw; 537 CORO_THROW = c->except;
515} 538}
516 539
517static void 540static void
518save_perl (pTHX_ Coro__State c) 541save_perl (pTHX_ Coro__State c)
519{ 542{
520 c->throw = coro_throw; 543 c->except = CORO_THROW;
521 c->slf_frame = slf_frame; 544 c->slf_frame = slf_frame;
522 545
523 { 546 {
524 dSP; 547 dSP;
525 I32 cxix = cxstack_ix; 548 I32 cxix = cxstack_ix;
… …
600 * of perl.c:init_stacks, except that it uses less memory 623 * of perl.c:init_stacks, except that it uses less memory
601 * on the (sometimes correct) assumption that coroutines do 624 * on the (sometimes correct) assumption that coroutines do
602 * not usually need a lot of stackspace. 625 * not usually need a lot of stackspace.
603 */ 626 */
604#if CORO_PREFER_PERL_FUNCTIONS 627#if CORO_PREFER_PERL_FUNCTIONS
605# define coro_init_stacks init_stacks 628# define coro_init_stacks(thx) init_stacks ()
606#else 629#else
607static void 630static void
608coro_init_stacks (pTHX) 631coro_init_stacks (pTHX)
609{ 632{
610 PL_curstackinfo = new_stackinfo(32, 8); 633 PL_curstackinfo = new_stackinfo(32, 8);
… …
673#if !PERL_VERSION_ATLEAST (5,10,0) 696#if !PERL_VERSION_ATLEAST (5,10,0)
674 Safefree (PL_retstack); 697 Safefree (PL_retstack);
675#endif 698#endif
676} 699}
677 700
701#define CORO_RSS \
702 rss += sizeof (SYM (curstackinfo)); \
703 rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \
704 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \
705 rss += SYM (tmps_max) * sizeof (SV *); \
706 rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \
707 rss += SYM (scopestack_max) * sizeof (I32); \
708 rss += SYM (savestack_max) * sizeof (ANY);
709
678static size_t 710static size_t
679coro_rss (pTHX_ struct coro *coro) 711coro_rss (pTHX_ struct coro *coro)
680{ 712{
681 size_t rss = sizeof (*coro); 713 size_t rss = sizeof (*coro);
682 714
683 if (coro->mainstack) 715 if (coro->mainstack)
684 { 716 {
685 perl_slots tmp_slot;
686 perl_slots *slot;
687
688 if (coro->flags & CF_RUNNING) 717 if (coro->flags & CF_RUNNING)
689 { 718 {
690 slot = &tmp_slot; 719 #define SYM(sym) PL_ ## sym
691 720 CORO_RSS;
692 #define VAR(name,type) slot->name = PL_ ## name;
693 # include "state.h"
694 #undef VAR 721 #undef SYM
695 } 722 }
696 else 723 else
697 slot = coro->slot;
698
699 if (slot)
700 { 724 {
701 rss += sizeof (slot->curstackinfo); 725 #define SYM(sym) coro->slot->sym
702 rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); 726 CORO_RSS;
703 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); 727 #undef SYM
704 rss += slot->tmps_max * sizeof (SV *);
705 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
706 rss += slot->scopestack_max * sizeof (I32);
707 rss += slot->savestack_max * sizeof (ANY);
708
709#if !PERL_VERSION_ATLEAST (5,10,0)
710 rss += slot->retstack_max * sizeof (OP *);
711#endif
712 } 728 }
713 } 729 }
714 730
715 return rss; 731 return rss;
716} 732}
… …
857 { 873 {
858 dSP; 874 dSP;
859 UNOP myop; 875 UNOP myop;
860 876
861 Zero (&myop, 1, UNOP); 877 Zero (&myop, 1, UNOP);
862 myop.op_next = Nullop; 878 myop.op_next = Nullop;
879 myop.op_type = OP_ENTERSUB;
863 myop.op_flags = OPf_WANT_VOID; 880 myop.op_flags = OPf_WANT_VOID;
864 881
865 PUSHMARK (SP); 882 PUSHMARK (SP);
866 XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); 883 PUSHs ((SV *)coro->startcv);
867 PUTBACK; 884 PUTBACK;
868 PL_op = (OP *)&myop; 885 PL_op = (OP *)&myop;
869 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 886 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
870 SPAGAIN;
871 } 887 }
872 888
873 /* this newly created coroutine might be run on an existing cctx which most 889 /* this newly created coroutine might be run on an existing cctx which most
874 * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. 890 * likely was suspended in pp_slf, so we have to emulate entering pp_slf here.
875 */ 891 */
876 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ 892 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 */ 893 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
878 894
879 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ 895 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
896 coro_setup_op.op_next = PL_op;
880 coro_setup_op.op_type = OP_CUSTOM; 897 coro_setup_op.op_type = OP_CUSTOM;
881 coro_setup_op.op_ppaddr = pp_slf; 898 coro_setup_op.op_ppaddr = pp_slf;
882 coro_setup_op.op_next = PL_op; 899 /* no flags etc. required, as an init function won't be called */
883 900
884 PL_op = (OP *)&coro_setup_op; 901 PL_op = (OP *)&coro_setup_op;
885 902
886 /* copy throw, in case it was set before coro_setup */ 903 /* copy throw, in case it was set before coro_setup */
887 coro_throw = coro->throw; 904 CORO_THROW = coro->except;
888} 905}
889 906
890static void 907static void
891coro_destruct (pTHX_ struct coro *coro) 908coro_destruct (pTHX_ struct coro *coro)
892{ 909{
… …
916 933
917 SvREFCNT_dec (PL_diehook); 934 SvREFCNT_dec (PL_diehook);
918 SvREFCNT_dec (PL_warnhook); 935 SvREFCNT_dec (PL_warnhook);
919 936
920 SvREFCNT_dec (coro->saved_deffh); 937 SvREFCNT_dec (coro->saved_deffh);
921 SvREFCNT_dec (coro_throw); 938 SvREFCNT_dec (coro->rouse_cb);
939 SvREFCNT_dec (coro->invoke_cb);
940 SvREFCNT_dec (coro->invoke_av);
922 941
923 coro_destruct_stacks (aTHX); 942 coro_destruct_stacks (aTHX);
924} 943}
925 944
926INLINE void 945INLINE void
… …
1013 SAVETMPS; 1032 SAVETMPS;
1014 EXTEND (SP, 3); 1033 EXTEND (SP, 3);
1015 PUSHMARK (SP); 1034 PUSHMARK (SP);
1016 PUSHs (&PL_sv_yes); 1035 PUSHs (&PL_sv_yes);
1017 PUSHs (fullname); 1036 PUSHs (fullname);
1018 PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); 1037 PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
1019 PUTBACK; 1038 PUTBACK;
1020 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); 1039 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
1021 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1040 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1022 SPAGAIN; 1041 SPAGAIN;
1023 FREETMPS; 1042 FREETMPS;
… …
1070static int 1089static int
1071slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) 1090slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1072{ 1091{
1073 *frame = cctx_ssl_frame; 1092 *frame = cctx_ssl_frame;
1074 1093
1075 return 1; /* execute the restored frame - there must be one */ 1094 return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1076} 1095}
1077 1096
1078/* initialises PL_top_env and injects a pseudo-slf-call to sett he stacklevel */ 1097/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1079static void NOINLINE 1098static void NOINLINE
1080cctx_prepare (pTHX_ coro_cctx *cctx) 1099cctx_prepare (pTHX_ coro_cctx *cctx)
1081{ 1100{
1082 PL_top_env = &PL_start_env; 1101 PL_top_env = &PL_start_env;
1083 1102
… …
1087 /* we already must be executing an SLF op, there is no other valid way 1106 /* we already must be executing an SLF op, there is no other valid way
1088 * that can lead to creation of a new cctx */ 1107 * that can lead to creation of a new cctx */
1089 assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", 1108 assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1090 slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); 1109 slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1091 1110
1111 /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1092 cctx_ssl_cctx = cctx; 1112 cctx_ssl_cctx = cctx;
1093 cctx_ssl_frame = slf_frame; 1113 cctx_ssl_frame = slf_frame;
1094 1114
1095 slf_frame.prepare = slf_prepare_set_stacklevel; 1115 slf_frame.prepare = slf_prepare_set_stacklevel;
1096 slf_frame.check = slf_check_set_stacklevel; 1116 slf_frame.check = slf_check_set_stacklevel;
… …
1128 transfer_tail (aTHX); 1148 transfer_tail (aTHX);
1129 1149
1130 /* somebody or something will hit me for both perl_run and PL_restartop */ 1150 /* somebody or something will hit me for both perl_run and PL_restartop */
1131 PL_restartop = PL_op; 1151 PL_restartop = PL_op;
1132 perl_run (PL_curinterp); 1152 perl_run (PL_curinterp);
1153 /*
1154 * Unfortunately, there is no way to get at the return values of the
1155 * coro body here, as perl_run destroys these
1156 */
1133 1157
1134 /* 1158 /*
1135 * If perl-run returns we assume exit() was being called or the coro 1159 * If perl-run returns we assume exit() was being called or the coro
1136 * fell off the end, which seems to be the only valid (non-bug) 1160 * fell off the end, which seems to be the only valid (non-bug)
1137 * reason for perl_run to return. We try to exit by jumping to the 1161 * reason for perl_run to return. We try to exit by jumping to the
… …
1317 dSTACKLEVEL; 1341 dSTACKLEVEL;
1318 1342
1319 /* sometimes transfer is only called to set idle_sp */ 1343 /* sometimes transfer is only called to set idle_sp */
1320 if (expect_false (!next)) 1344 if (expect_false (!next))
1321 { 1345 {
1322 ((coro_cctx *)prev)->idle_sp = (void *)stacklevel; 1346 ((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 */ 1347 assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1324 } 1348 }
1325 else if (expect_true (prev != next)) 1349 else if (expect_true (prev != next))
1326 { 1350 {
1327 coro_cctx *prev__cctx; 1351 coro_cctx *prev__cctx;
… …
1352 1376
1353 prev__cctx = prev->cctx; 1377 prev__cctx = prev->cctx;
1354 1378
1355 /* possibly untie and reuse the cctx */ 1379 /* possibly untie and reuse the cctx */
1356 if (expect_true ( 1380 if (expect_true (
1357 prev__cctx->idle_sp == (void *)stacklevel 1381 prev__cctx->idle_sp == STACKLEVEL
1358 && !(prev__cctx->flags & CC_TRACE) 1382 && !(prev__cctx->flags & CC_TRACE)
1359 && !force_cctx 1383 && !force_cctx
1360 )) 1384 ))
1361 { 1385 {
1362 /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ 1386 /* I assume that stacklevel is a stronger indicator than PL_top_env changes */
… …
1429 1453
1430 coro->slot = 0; 1454 coro->slot = 0;
1431 } 1455 }
1432 1456
1433 cctx_destroy (coro->cctx); 1457 cctx_destroy (coro->cctx);
1458 SvREFCNT_dec (coro->startcv);
1434 SvREFCNT_dec (coro->args); 1459 SvREFCNT_dec (coro->args);
1460 SvREFCNT_dec (CORO_THROW);
1435 1461
1436 if (coro->next) coro->next->prev = coro->prev; 1462 if (coro->next) coro->next->prev = coro->prev;
1437 if (coro->prev) coro->prev->next = coro->next; 1463 if (coro->prev) coro->prev->next = coro->next;
1438 if (coro == coro_first) coro_first = coro->next; 1464 if (coro == coro_first) coro_first = coro->next;
1439 1465
… …
1493 1519
1494 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1520 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1495 TRANSFER (ta, 1); 1521 TRANSFER (ta, 1);
1496} 1522}
1497 1523
1524/*****************************************************************************/
1525/* gensub: simple closure generation utility */
1526
1527#define GENSUB_ARG CvXSUBANY (cv).any_ptr
1528
1529/* create a closure from XS, returns a code reference */
1530/* the arg can be accessed via GENSUB_ARG from the callback */
1531/* the callback must use dXSARGS/XSRETURN */
1532static SV *
1533gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg)
1534{
1535 CV *cv = (CV *)newSV (0);
1536
1537 sv_upgrade ((SV *)cv, SVt_PVCV);
1538
1539 CvANON_on (cv);
1540 CvISXSUB_on (cv);
1541 CvXSUB (cv) = xsub;
1542 GENSUB_ARG = arg;
1543
1544 return newRV_noinc ((SV *)cv);
1545}
1546
1498/** Coro ********************************************************************/ 1547/** Coro ********************************************************************/
1499 1548
1500INLINE void 1549INLINE void
1501coro_enq (pTHX_ struct coro *coro) 1550coro_enq (pTHX_ struct coro *coro)
1502{ 1551{
… …
1699 if (coro->flags & CF_RUNNING) 1748 if (coro->flags & CF_RUNNING)
1700 PL_runops = RUNOPS_DEFAULT; 1749 PL_runops = RUNOPS_DEFAULT;
1701 else 1750 else
1702 coro->slot->runops = RUNOPS_DEFAULT; 1751 coro->slot->runops = RUNOPS_DEFAULT;
1703 } 1752 }
1753}
1754
1755/*****************************************************************************/
1756/* async pool handler */
1757
1758static int
1759slf_check_pool_handler (pTHX_ struct CoroSLF *frame)
1760{
1761 HV *hv = (HV *)SvRV (coro_current);
1762 struct coro *coro = (struct coro *)frame->data;
1763
1764 if (!coro->invoke_cb)
1765 return 1; /* loop till we have invoke */
1766 else
1767 {
1768 hv_store (hv, "desc", sizeof ("desc") - 1,
1769 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1770
1771 coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1772
1773 {
1774 dSP;
1775 XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0;
1776 PUTBACK;
1777 }
1778
1779 SvREFCNT_dec (GvAV (PL_defgv));
1780 GvAV (PL_defgv) = coro->invoke_av;
1781 coro->invoke_av = 0;
1782
1783 return 0;
1784 }
1785}
1786
1787static void
1788slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1789{
1790 HV *hv = (HV *)SvRV (coro_current);
1791 struct coro *coro = SvSTATE_hv ((SV *)hv);
1792
1793 if (expect_true (coro->saved_deffh))
1794 {
1795 /* subsequent iteration */
1796 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1797 coro->saved_deffh = 0;
1798
1799 if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
1800 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1801 {
1802 coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate);
1803 coro->invoke_av = newAV ();
1804
1805 frame->prepare = prepare_nop;
1806 }
1807 else
1808 {
1809 av_clear (GvAV (PL_defgv));
1810 hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
1811
1812 coro->prio = 0;
1813
1814 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1815 api_trace (aTHX_ coro_current, 0);
1816
1817 frame->prepare = prepare_schedule;
1818 av_push (av_async_pool, SvREFCNT_inc (hv));
1819 }
1820 }
1821 else
1822 {
1823 /* first iteration, simply fall through */
1824 frame->prepare = prepare_nop;
1825 }
1826
1827 frame->check = slf_check_pool_handler;
1828 frame->data = (void *)coro;
1829}
1830
1831/*****************************************************************************/
1832/* rouse callback */
1833
1834#define CORO_MAGIC_type_rouse PERL_MAGIC_ext
1835
1836static void
1837coro_rouse_callback (pTHX_ CV *cv)
1838{
1839 dXSARGS;
1840 SV *data = (SV *)GENSUB_ARG;
1841
1842 if (SvTYPE (SvRV (data)) != SVt_PVAV)
1843 {
1844 /* first call, set args */
1845 AV *av = newAV ();
1846 SV *coro = SvRV (data);
1847
1848 SvRV_set (data, (SV *)av);
1849 api_ready (aTHX_ coro);
1850 SvREFCNT_dec (coro);
1851
1852 /* better take a full copy of the arguments */
1853 while (items--)
1854 av_store (av, items, newSVsv (ST (items)));
1855 }
1856
1857 XSRETURN_EMPTY;
1858}
1859
1860static int
1861slf_check_rouse_wait (pTHX_ struct CoroSLF *frame)
1862{
1863 SV *data = (SV *)frame->data;
1864
1865 if (CORO_THROW)
1866 return 0;
1867
1868 if (SvTYPE (SvRV (data)) != SVt_PVAV)
1869 return 1;
1870
1871 /* now push all results on the stack */
1872 {
1873 dSP;
1874 AV *av = (AV *)SvRV (data);
1875 int i;
1876
1877 EXTEND (SP, AvFILLp (av) + 1);
1878 for (i = 0; i <= AvFILLp (av); ++i)
1879 PUSHs (sv_2mortal (AvARRAY (av)[i]));
1880
1881 /* we have stolen the elements, so ste length to zero and free */
1882 AvFILLp (av) = -1;
1883 av_undef (av);
1884
1885 PUTBACK;
1886 }
1887
1888 return 0;
1889}
1890
1891static void
1892slf_init_rouse_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1893{
1894 SV *cb;
1895
1896 if (items)
1897 cb = arg [0];
1898 else
1899 {
1900 struct coro *coro = SvSTATE_current;
1901
1902 if (!coro->rouse_cb)
1903 croak ("Coro::rouse_wait called without rouse callback, and no default rouse callback found either,");
1904
1905 cb = sv_2mortal (coro->rouse_cb);
1906 coro->rouse_cb = 0;
1907 }
1908
1909 if (!SvROK (cb)
1910 || SvTYPE (SvRV (cb)) != SVt_PVCV
1911 || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
1912 croak ("Coro::rouse_wait called with illegal callback argument,");
1913
1914 {
1915 CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */
1916 SV *data = (SV *)GENSUB_ARG;
1917
1918 frame->data = (void *)data;
1919 frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;
1920 frame->check = slf_check_rouse_wait;
1921 }
1922}
1923
1924static SV *
1925coro_new_rouse_cb (pTHX)
1926{
1927 HV *hv = (HV *)SvRV (coro_current);
1928 struct coro *coro = SvSTATE_hv (hv);
1929 SV *data = newRV_inc ((SV *)hv);
1930 SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data);
1931
1932 sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);
1933 SvREFCNT_dec (data); /* magicext increases the refcount */
1934
1935 SvREFCNT_dec (coro->rouse_cb);
1936 coro->rouse_cb = SvREFCNT_inc_NN (cb);
1937
1938 return cb;
1704} 1939}
1705 1940
1706/*****************************************************************************/ 1941/*****************************************************************************/
1707/* schedule-like-function opcode (SLF) */ 1942/* schedule-like-function opcode (SLF) */
1708 1943
… …
1835 } 2070 }
1836 while (slf_frame.check (aTHX_ &slf_frame)); 2071 while (slf_frame.check (aTHX_ &slf_frame));
1837 2072
1838 slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ 2073 slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */
1839 2074
2075 /* exception handling */
2076 if (expect_false (CORO_THROW))
2077 {
2078 SV *exception = sv_2mortal (CORO_THROW);
2079
2080 CORO_THROW = 0;
2081 sv_setsv (ERRSV, exception);
2082 croak (0);
2083 }
2084
1840 /* return value handling - mostly like entersub */ 2085 /* return value handling - mostly like entersub */
1841 /* make sure we put something on the stack in scalar context */ 2086 /* make sure we put something on the stack in scalar context */
1842 if (GIMME_V == G_SCALAR) 2087 if (GIMME_V == G_SCALAR)
1843 { 2088 {
1844 dSP; 2089 dSP;
… …
1850 bot [1] = *sp; 2095 bot [1] = *sp;
1851 2096
1852 SP = bot + 1; 2097 SP = bot + 1;
1853 2098
1854 PUTBACK; 2099 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 } 2100 }
1866 2101
1867 return NORMAL; 2102 return NORMAL;
1868} 2103}
1869 2104
… …
1991 PerlIOBuf_get_cnt, 2226 PerlIOBuf_get_cnt,
1992 PerlIOBuf_set_ptrcnt, 2227 PerlIOBuf_set_ptrcnt,
1993}; 2228};
1994 2229
1995/*****************************************************************************/ 2230/*****************************************************************************/
2231/* Coro::Semaphore & Coro::Signal */
2232
2233static SV *
2234coro_waitarray_new (pTHX_ int count)
2235{
2236 /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */
2237 AV *av = newAV ();
2238 SV **ary;
2239
2240 /* unfortunately, building manually saves memory */
2241 Newx (ary, 2, SV *);
2242 AvALLOC (av) = ary;
2243 /*AvARRAY (av) = ary;*/
2244 SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */
2245 AvMAX (av) = 1;
2246 AvFILLp (av) = 0;
2247 ary [0] = newSViv (count);
2248
2249 return newRV_noinc ((SV *)av);
2250}
2251
1996/* Coro::Semaphore */ 2252/* semaphore */
1997 2253
1998static void 2254static void
1999coro_semaphore_adjust (pTHX_ AV *av, IV adjust) 2255coro_semaphore_adjust (pTHX_ AV *av, IV adjust)
2000{ 2256{
2001 SV *count_sv = AvARRAY (av)[0]; 2257 SV *count_sv = AvARRAY (av)[0];
… …
2013 AvARRAY (av)[0] = AvARRAY (av)[1]; 2269 AvARRAY (av)[0] = AvARRAY (av)[1];
2014 AvARRAY (av)[1] = count_sv; 2270 AvARRAY (av)[1] = count_sv;
2015 cb = av_shift (av); 2271 cb = av_shift (av);
2016 2272
2017 if (SvOBJECT (cb)) 2273 if (SvOBJECT (cb))
2274 {
2018 api_ready (aTHX_ cb); 2275 api_ready (aTHX_ cb);
2019 else 2276 --count;
2020 croak ("callbacks not yet supported"); 2277 }
2278 else if (SvTYPE (cb) == SVt_PVCV)
2279 {
2280 dSP;
2281 PUSHMARK (SP);
2282 XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
2283 PUTBACK;
2284 call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
2285 }
2021 2286
2022 SvREFCNT_dec (cb); 2287 SvREFCNT_dec (cb);
2023
2024 --count;
2025 } 2288 }
2026} 2289}
2027 2290
2028static void 2291static void
2029coro_semaphore_on_destroy (pTHX_ struct coro *coro) 2292coro_semaphore_on_destroy (pTHX_ struct coro *coro)
… …
2031 /* call $sem->adjust (0) to possibly wake up some other waiters */ 2294 /* call $sem->adjust (0) to possibly wake up some other waiters */
2032 coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); 2295 coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0);
2033} 2296}
2034 2297
2035static int 2298static int
2036slf_check_semaphore_down (pTHX_ struct CoroSLF *frame) 2299slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire)
2037{ 2300{
2038 AV *av = (AV *)frame->data; 2301 AV *av = (AV *)frame->data;
2039 SV *count_sv = AvARRAY (av)[0]; 2302 SV *count_sv = AvARRAY (av)[0];
2040 2303
2304 /* if we are about to throw, don't actually acquire the lock, just throw */
2305 if (CORO_THROW)
2306 return 0;
2041 if (SvIVX (count_sv) > 0) 2307 else if (SvIVX (count_sv) > 0)
2042 { 2308 {
2043 SvSTATE_current->on_destroy = 0; 2309 SvSTATE_current->on_destroy = 0;
2310
2311 if (acquire)
2044 SvIVX (count_sv) = SvIVX (count_sv) - 1; 2312 SvIVX (count_sv) = SvIVX (count_sv) - 1;
2313 else
2314 coro_semaphore_adjust (aTHX_ av, 0);
2315
2045 return 0; 2316 return 0;
2046 } 2317 }
2047 else 2318 else
2048 { 2319 {
2049 int i; 2320 int i;
… …
2058 av_push (av, SvREFCNT_inc (SvRV (coro_current))); 2329 av_push (av, SvREFCNT_inc (SvRV (coro_current)));
2059 return 1; 2330 return 1;
2060 } 2331 }
2061} 2332}
2062 2333
2063static void 2334static int
2335slf_check_semaphore_down (pTHX_ struct CoroSLF *frame)
2336{
2337 return slf_check_semaphore_down_or_wait (aTHX_ frame, 1);
2338}
2339
2340static int
2341slf_check_semaphore_wait (pTHX_ struct CoroSLF *frame)
2342{
2343 return slf_check_semaphore_down_or_wait (aTHX_ frame, 0);
2344}
2345
2346static void
2064slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2347slf_init_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2065{ 2348{
2066 AV *av = (AV *)SvRV (arg [0]); 2349 AV *av = (AV *)SvRV (arg [0]);
2067 2350
2068 if (SvIVX (AvARRAY (av)[0]) > 0) 2351 if (SvIVX (AvARRAY (av)[0]) > 0)
2069 { 2352 {
2070 frame->data = (void *)av; 2353 frame->data = (void *)av;
2071 frame->prepare = prepare_nop; 2354 frame->prepare = prepare_nop;
2072 SvSTATE_current->on_destroy = coro_semaphore_on_destroy;
2073 } 2355 }
2074 else 2356 else
2075 { 2357 {
2076 av_push (av, SvREFCNT_inc (SvRV (coro_current))); 2358 av_push (av, SvREFCNT_inc (SvRV (coro_current)));
2077 2359
2078 frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); 2360 frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av));
2079 frame->prepare = prepare_schedule; 2361 frame->prepare = prepare_schedule;
2080 2362
2081 /* to avoid race conditions when a woken-up coro gets terminated */ 2363 /* to avoid race conditions when a woken-up coro gets terminated */
2082 /* we arrange for a temporary on_destroy that calls adjust (0) */ 2364 /* 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; 2365 SvSTATE_current->on_destroy = coro_semaphore_on_destroy;
2085 } 2366 }
2367}
2086 2368
2369static void
2370slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2371{
2372 slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);
2087 frame->check = slf_check_semaphore_down; 2373 frame->check = slf_check_semaphore_down;
2088
2089} 2374}
2090 2375
2091/*****************************************************************************/ 2376static void
2092/* gensub: simple closure generation utility */ 2377slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2093
2094#define GENSUB_ARG CvXSUBANY (cv).any_ptr
2095
2096/* create a closure from XS, returns a code reference */
2097/* the arg can be accessed via GENSUB_ARG from the callback */
2098/* the callback must use dXSARGS/XSRETURN */
2099static SV *
2100gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg)
2101{ 2378{
2102 CV *cv = (CV *)newSV (0); 2379 if (items >= 2)
2380 {
2381 /* callback form */
2382 AV *av = (AV *)SvRV (arg [0]);
2383 CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2103 2384
2104 sv_upgrade ((SV *)cv, SVt_PVCV); 2385 av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));
2105 2386
2106 CvANON_on (cv); 2387 if (SvIVX (AvARRAY (av)[0]) > 0)
2107 CvISXSUB_on (cv); 2388 coro_semaphore_adjust (aTHX_ av, 0);
2108 CvXSUB (cv) = xsub;
2109 GENSUB_ARG = arg;
2110 2389
2111 return newRV_noinc ((SV *)cv); 2390 frame->prepare = prepare_nop;
2391 frame->check = slf_check_nop;
2392 }
2393 else
2394 {
2395 slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);
2396 frame->check = slf_check_semaphore_wait;
2397 }
2398}
2399
2400/* signal */
2401
2402static void
2403coro_signal_wake (pTHX_ AV *av, int count)
2404{
2405 SvIVX (AvARRAY (av)[0]) = 0;
2406
2407 /* now signal count waiters */
2408 while (count > 0 && AvFILLp (av) > 0)
2409 {
2410 SV *cb;
2411
2412 /* swap first two elements so we can shift a waiter */
2413 cb = AvARRAY (av)[0];
2414 AvARRAY (av)[0] = AvARRAY (av)[1];
2415 AvARRAY (av)[1] = cb;
2416
2417 cb = av_shift (av);
2418
2419 api_ready (aTHX_ cb);
2420 sv_setiv (cb, 0); /* signal waiter */
2421 SvREFCNT_dec (cb);
2422
2423 --count;
2424 }
2425}
2426
2427static int
2428slf_check_signal_wait (pTHX_ struct CoroSLF *frame)
2429{
2430 /* if we are about to throw, also stop waiting */
2431 return SvROK ((SV *)frame->data) && !CORO_THROW;
2432}
2433
2434static void
2435slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2436{
2437 AV *av = (AV *)SvRV (arg [0]);
2438
2439 if (SvIVX (AvARRAY (av)[0]))
2440 {
2441 SvIVX (AvARRAY (av)[0]) = 0;
2442 frame->prepare = prepare_nop;
2443 frame->check = slf_check_nop;
2444 }
2445 else
2446 {
2447 SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */
2448
2449 av_push (av, waiter);
2450
2451 frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */
2452 frame->prepare = prepare_schedule;
2453 frame->check = slf_check_signal_wait;
2454 }
2112} 2455}
2113 2456
2114/*****************************************************************************/ 2457/*****************************************************************************/
2115/* Coro::AIO */ 2458/* Coro::AIO */
2116 2459
… …
2131 dXSARGS; 2474 dXSARGS;
2132 AV *state = (AV *)GENSUB_ARG; 2475 AV *state = (AV *)GENSUB_ARG;
2133 SV *coro = av_pop (state); 2476 SV *coro = av_pop (state);
2134 SV *data_sv = newSV (sizeof (struct io_state)); 2477 SV *data_sv = newSV (sizeof (struct io_state));
2135 2478
2136 av_extend (state, items); 2479 av_extend (state, items - 1);
2137 2480
2138 sv_upgrade (data_sv, SVt_PV); 2481 sv_upgrade (data_sv, SVt_PV);
2139 SvCUR_set (data_sv, sizeof (struct io_state)); 2482 SvCUR_set (data_sv, sizeof (struct io_state));
2140 SvPOK_only (data_sv); 2483 SvPOK_only (data_sv);
2141 2484
… …
2165 2508
2166static int 2509static int
2167slf_check_aio_req (pTHX_ struct CoroSLF *frame) 2510slf_check_aio_req (pTHX_ struct CoroSLF *frame)
2168{ 2511{
2169 AV *state = (AV *)frame->data; 2512 AV *state = (AV *)frame->data;
2513
2514 /* if we are about to throw, return early */
2515 /* this does not cancel the aio request, but at least */
2516 /* it quickly returns */
2517 if (CORO_THROW)
2518 return 0;
2170 2519
2171 /* one element that is an RV? repeat! */ 2520 /* one element that is an RV? repeat! */
2172 if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) 2521 if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0]))
2173 return 1; 2522 return 1;
2174 2523
… …
2345 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 2694 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
2346} 2695}
2347 2696
2348SV * 2697SV *
2349new (char *klass, ...) 2698new (char *klass, ...)
2699 ALIAS:
2700 Coro::new = 1
2350 CODE: 2701 CODE:
2351{ 2702{
2352 struct coro *coro; 2703 struct coro *coro;
2353 MAGIC *mg; 2704 MAGIC *mg;
2354 HV *hv; 2705 HV *hv;
2706 CV *cb;
2355 int i; 2707 int i;
2708
2709 if (items > 1)
2710 {
2711 cb = coro_sv_2cv (aTHX_ ST (1));
2712
2713 if (!ix)
2714 {
2715 if (CvISXSUB (cb))
2716 croak ("Coro::State doesn't support XS functions as coroutine start, caught");
2717
2718 if (!CvROOT (cb))
2719 croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
2720 }
2721 }
2356 2722
2357 Newz (0, coro, 1, struct coro); 2723 Newz (0, coro, 1, struct coro);
2358 coro->args = newAV (); 2724 coro->args = newAV ();
2359 coro->flags = CF_NEW; 2725 coro->flags = CF_NEW;
2360 2726
… …
2365 coro->hv = hv = newHV (); 2731 coro->hv = hv = newHV ();
2366 mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); 2732 mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
2367 mg->mg_flags |= MGf_DUP; 2733 mg->mg_flags |= MGf_DUP;
2368 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); 2734 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2369 2735
2736 if (items > 1)
2737 {
2370 av_extend (coro->args, items - 1); 2738 av_extend (coro->args, items - 1 + ix - 1);
2739
2740 if (ix)
2741 {
2742 av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
2743 cb = cv_coro_run;
2744 }
2745
2746 coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
2747
2371 for (i = 1; i < items; i++) 2748 for (i = 2; i < items; i++)
2372 av_push (coro->args, newSVsv (ST (i))); 2749 av_push (coro->args, newSVsv (ST (i)));
2750 }
2373} 2751}
2374 OUTPUT: 2752 OUTPUT:
2375 RETVAL 2753 RETVAL
2376 2754
2377void 2755void
… …
2506throw (Coro::State self, SV *throw = &PL_sv_undef) 2884throw (Coro::State self, SV *throw = &PL_sv_undef)
2507 PROTOTYPE: $;$ 2885 PROTOTYPE: $;$
2508 CODE: 2886 CODE:
2509{ 2887{
2510 struct coro *current = SvSTATE_current; 2888 struct coro *current = SvSTATE_current;
2511 SV **throwp = self == current ? &coro_throw : &self->throw; 2889 SV **throwp = self == current ? &CORO_THROW : &self->except;
2512 SvREFCNT_dec (*throwp); 2890 SvREFCNT_dec (*throwp);
2513 *throwp = SvOK (throw) ? newSVsv (throw) : 0; 2891 *throwp = SvOK (throw) ? newSVsv (throw) : 0;
2514} 2892}
2515 2893
2516void 2894void
… …
2575 2953
2576BOOT: 2954BOOT:
2577{ 2955{
2578 int i; 2956 int i;
2579 2957
2580 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); 2958 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2581 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 2959 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2582 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); 2960 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2583 2961 cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);
2962 cv_coro_terminate = get_cv ( "Coro::terminate", GV_ADD);
2584 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); 2963 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE);
2585 SvREADONLY_on (coro_current); 2964 SvREADONLY_on (coro_current);
2965
2966 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
2967 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
2968 cv_pool_handler = get_cv ("Coro::_pool_handler", 0); SvREADONLY_on (cv_pool_handler);
2969 cv_coro_new = get_cv ("Coro::new", 0); SvREADONLY_on (cv_coro_new);
2586 2970
2587 coro_stash = gv_stashpv ("Coro", TRUE); 2971 coro_stash = gv_stashpv ("Coro", TRUE);
2588 2972
2589 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 2973 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
2590 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 2974 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
… …
2605 coroapi.ready = api_ready; 2989 coroapi.ready = api_ready;
2606 coroapi.is_ready = api_is_ready; 2990 coroapi.is_ready = api_is_ready;
2607 coroapi.nready = coro_nready; 2991 coroapi.nready = coro_nready;
2608 coroapi.current = coro_current; 2992 coroapi.current = coro_current;
2609 2993
2610 GCoroAPI = &coroapi; 2994 /*GCoroAPI = &coroapi;*/
2611 sv_setiv (sv, (IV)&coroapi); 2995 sv_setiv (sv, (IV)&coroapi);
2612 SvREADONLY_on (sv); 2996 SvREADONLY_on (sv);
2613 } 2997 }
2614} 2998}
2615 2999
… …
2679 CODE: 3063 CODE:
2680 RETVAL = coro_nready; 3064 RETVAL = coro_nready;
2681 OUTPUT: 3065 OUTPUT:
2682 RETVAL 3066 RETVAL
2683 3067
2684# for async_pool speedup
2685void 3068void
2686_pool_1 (SV *cb) 3069_pool_handler (...)
2687 CODE: 3070 CODE:
2688{ 3071 CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
2689 HV *hv = (HV *)SvRV (coro_current);
2690 struct coro *coro = SvSTATE_hv ((SV *)hv);
2691 AV *defav = GvAV (PL_defgv);
2692 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
2693 AV *invoke_av;
2694 int i, len;
2695 3072
2696 if (!invoke) 3073void
3074async_pool (SV *cv, ...)
3075 PROTOTYPE: &@
3076 PPCODE:
3077{
3078 HV *hv = (HV *)av_pop (av_async_pool);
3079 AV *av = newAV ();
3080 SV *cb = ST (0);
3081 int i;
3082
3083 av_extend (av, items - 2);
3084 for (i = 1; i < items; ++i)
3085 av_push (av, SvREFCNT_inc_NN (ST (i)));
3086
3087 if ((SV *)hv == &PL_sv_undef)
2697 { 3088 {
2698 SV *old = PL_diehook; 3089 PUSHMARK (SP);
2699 PL_diehook = 0; 3090 EXTEND (SP, 2);
2700 SvREFCNT_dec (old); 3091 PUSHs (sv_Coro);
2701 croak ("\3async_pool terminate\2\n"); 3092 PUSHs ((SV *)cv_pool_handler);
3093 PUTBACK;
3094 call_sv ((SV *)cv_coro_new, G_SCALAR);
3095 SPAGAIN;
3096
3097 hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
2702 } 3098 }
2703 3099
2704 SvREFCNT_dec (coro->saved_deffh);
2705 coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
2706
2707 hv_store (hv, "desc", sizeof ("desc") - 1,
2708 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
2709
2710 invoke_av = (AV *)SvRV (invoke);
2711 len = av_len (invoke_av);
2712
2713 sv_setsv (cb, AvARRAY (invoke_av)[0]);
2714
2715 if (len > 0)
2716 { 3100 {
2717 av_fill (defav, len - 1); 3101 struct coro *coro = SvSTATE_hv (hv);
2718 for (i = 0; i < len; ++i) 3102
2719 av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); 3103 assert (!coro->invoke_cb);
3104 assert (!coro->invoke_av);
3105 coro->invoke_cb = SvREFCNT_inc (cb);
3106 coro->invoke_av = av;
2720 } 3107 }
3108
3109 api_ready (aTHX_ (SV *)hv);
3110
3111 if (GIMME_V != G_VOID)
3112 XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
3113 else
3114 SvREFCNT_dec (hv);
2721} 3115}
3116
3117SV *
3118rouse_cb ()
3119 PROTOTYPE:
3120 CODE:
3121 RETVAL = coro_new_rouse_cb (aTHX);
3122 OUTPUT:
3123 RETVAL
2722 3124
2723void 3125void
2724_pool_2 (SV *cb) 3126rouse_wait (...)
3127 PROTOTYPE: ;$
2725 CODE: 3128 PPCODE:
2726{ 3129 CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
2727 HV *hv = (HV *)SvRV (coro_current);
2728 struct coro *coro = SvSTATE_hv ((SV *)hv);
2729
2730 sv_setsv (cb, &PL_sv_undef);
2731
2732 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
2733 coro->saved_deffh = 0;
2734
2735 if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2736 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2737 {
2738 SV *old = PL_diehook;
2739 PL_diehook = 0;
2740 SvREFCNT_dec (old);
2741 croak ("\3async_pool terminate\2\n");
2742 }
2743
2744 av_clear (GvAV (PL_defgv));
2745 hv_store (hv, "desc", sizeof ("desc") - 1,
2746 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
2747
2748 coro->prio = 0;
2749
2750 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
2751 api_trace (aTHX_ coro_current, 0);
2752
2753 av_push (av_async_pool, newSVsv (coro_current));
2754}
2755 3130
2756 3131
2757MODULE = Coro::State PACKAGE = PerlIO::cede 3132MODULE = Coro::State PACKAGE = PerlIO::cede
2758 3133
2759BOOT: 3134BOOT:
… …
2761 3136
2762 3137
2763MODULE = Coro::State PACKAGE = Coro::Semaphore 3138MODULE = Coro::State PACKAGE = Coro::Semaphore
2764 3139
2765SV * 3140SV *
2766new (SV *klass, SV *count_ = 0) 3141new (SV *klass, SV *count = 0)
2767 CODE: 3142 CODE:
2768{ 3143 RETVAL = sv_bless (
2769 /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ 3144 coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),
2770 AV *av = newAV (); 3145 GvSTASH (CvGV (cv))
2771 SV **ary; 3146 );
3147 OUTPUT:
3148 RETVAL
2772 3149
2773 /* unfortunately, building manually saves memory */ 3150# helper for Coro::Channel
2774 Newx (ary, 2, SV *); 3151SV *
2775 AvALLOC (av) = ary; 3152_alloc (int count)
2776 AvARRAY (av) = ary; 3153 CODE:
2777 AvMAX (av) = 1; 3154 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: 3155 OUTPUT:
2784 RETVAL 3156 RETVAL
2785 3157
2786SV * 3158SV *
2787count (SV *self) 3159count (SV *self)
… …
2796 adjust = 1 3168 adjust = 1
2797 CODE: 3169 CODE:
2798 coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); 3170 coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);
2799 3171
2800void 3172void
2801down (SV *self) 3173down (...)
2802 CODE: 3174 CODE:
2803 CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); 3175 CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);
3176
3177void
3178wait (...)
3179 CODE:
3180 CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait);
2804 3181
2805void 3182void
2806try (SV *self) 3183try (SV *self)
2807 PPCODE: 3184 PPCODE:
2808{ 3185{
… …
2820 XSRETURN_NO; 3197 XSRETURN_NO;
2821} 3198}
2822 3199
2823void 3200void
2824waiters (SV *self) 3201waiters (SV *self)
2825 CODE: 3202 PPCODE:
2826{ 3203{
2827 AV *av = (AV *)SvRV (self); 3204 AV *av = (AV *)SvRV (self);
3205 int wcount = AvFILLp (av) + 1 - 1;
2828 3206
2829 if (GIMME_V == G_SCALAR) 3207 if (GIMME_V == G_SCALAR)
2830 XPUSHs (sv_2mortal (newSVsv (AvARRAY (av)[0]))); 3208 XPUSHs (sv_2mortal (newSViv (wcount)));
2831 else 3209 else
2832 { 3210 {
2833 int i; 3211 int i;
2834 EXTEND (SP, AvFILLp (av) + 1 - 1); 3212 EXTEND (SP, wcount);
2835 for (i = 1; i <= AvFILLp (av); ++i) 3213 for (i = 1; i <= wcount; ++i)
2836 PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); 3214 PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
2837 } 3215 }
2838} 3216}
3217
3218MODULE = Coro::State PACKAGE = Coro::Signal
3219
3220SV *
3221new (SV *klass)
3222 CODE:
3223 RETVAL = sv_bless (
3224 coro_waitarray_new (aTHX_ 0),
3225 GvSTASH (CvGV (cv))
3226 );
3227 OUTPUT:
3228 RETVAL
3229
3230void
3231wait (...)
3232 CODE:
3233 CORO_EXECUTE_SLF_XS (slf_init_signal_wait);
3234
3235void
3236broadcast (SV *self)
3237 CODE:
3238{
3239 AV *av = (AV *)SvRV (self);
3240 coro_signal_wake (aTHX_ av, AvFILLp (av));
3241}
3242
3243void
3244send (SV *self)
3245 CODE:
3246{
3247 AV *av = (AV *)SvRV (self);
3248
3249 if (AvFILLp (av))
3250 coro_signal_wake (aTHX_ av, 1);
3251 else
3252 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */
3253}
3254
3255IV
3256awaited (SV *self)
3257 CODE:
3258 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1;
3259 OUTPUT:
3260 RETVAL
2839 3261
2840 3262
2841MODULE = Coro::State PACKAGE = Coro::AnyEvent 3263MODULE = Coro::State PACKAGE = Coro::AnyEvent
2842 3264
2843BOOT: 3265BOOT:
… …
2871 3293
2872void 3294void
2873_register (char *target, char *proto, SV *req) 3295_register (char *target, char *proto, SV *req)
2874 CODE: 3296 CODE:
2875{ 3297{
2876 HV *st; 3298 CV *req_cv = coro_sv_2cv (aTHX_ req);
2877 GV *gvp;
2878 CV *req_cv = sv_2cv (req, &st, &gvp, 0);
2879 /* newXSproto doesn't return the CV on 5.8 */ 3299 /* newXSproto doesn't return the CV on 5.8 */
2880 CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); 3300 CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
2881 sv_setpv ((SV *)slf_cv, proto); 3301 sv_setpv ((SV *)slf_cv, proto);
2882 sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); 3302 sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
2883} 3303}

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