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Comparing Coro/Coro/State.xs (file contents):
Revision 1.333 by root, Thu Nov 27 12:39:00 2008 UTC vs.
Revision 1.360 by root, Mon Jun 29 06:14:23 2009 UTC

137 137
138#define IN_DESTRUCT PL_dirty 138#define IN_DESTRUCT PL_dirty
139 139
140#if __GNUC__ >= 3 140#if __GNUC__ >= 3
141# define attribute(x) __attribute__(x) 141# define attribute(x) __attribute__(x)
142# define expect(expr,value) __builtin_expect ((expr),(value)) 142# define expect(expr,value) __builtin_expect ((expr), (value))
143# define INLINE static inline 143# define INLINE static inline
144#else 144#else
145# define attribute(x) 145# define attribute(x)
146# define expect(expr,value) (expr) 146# define expect(expr,value) (expr)
147# define INLINE static 147# define INLINE static
159# if CORO_PTHREAD 159# if CORO_PTHREAD
160static void *coro_thx; 160static void *coro_thx;
161# endif 161# endif
162#endif 162#endif
163 163
164#ifdef __linux
165# include <time.h> /* for timespec */
166# include <syscall.h> /* for SYS_* */
167# ifdef SYS_clock_gettime
168# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
169# define CORO_CLOCK_MONOTONIC 1
170# define CORO_CLOCK_THREAD_CPUTIME_ID 3
171# endif
172#endif
173
164static double (*nvtime)(); /* so why doesn't it take void? */ 174static double (*nvtime)(); /* so why doesn't it take void? */
175static void (*u2time)(pTHX_ UV ret[2]);
165 176
166/* we hijack an hopefully unused CV flag for our purposes */ 177/* we hijack an hopefully unused CV flag for our purposes */
167#define CVf_SLF 0x4000 178#define CVf_SLF 0x4000
168static OP *pp_slf (pTHX); 179static OP *pp_slf (pTHX);
169 180
195static CV *cv_coro_state_new; 206static CV *cv_coro_state_new;
196 207
197/* Coro::AnyEvent */ 208/* Coro::AnyEvent */
198static SV *sv_activity; 209static SV *sv_activity;
199 210
211/* enable processtime/realtime profiling */
212static char enable_times;
213typedef U32 coro_ts[2];
214static coro_ts time_real, time_cpu;
215static char times_valid;
216
200static struct coro_cctx *cctx_first; 217static struct coro_cctx *cctx_first;
201static int cctx_count, cctx_idle; 218static int cctx_count, cctx_idle;
202 219
203enum { 220enum {
204 CC_MAPPED = 0x01, 221 CC_MAPPED = 0x01,
238enum { 255enum {
239 CF_RUNNING = 0x0001, /* coroutine is running */ 256 CF_RUNNING = 0x0001, /* coroutine is running */
240 CF_READY = 0x0002, /* coroutine is ready */ 257 CF_READY = 0x0002, /* coroutine is ready */
241 CF_NEW = 0x0004, /* has never been switched to */ 258 CF_NEW = 0x0004, /* has never been switched to */
242 CF_DESTROYED = 0x0008, /* coroutine data has been freed */ 259 CF_DESTROYED = 0x0008, /* coroutine data has been freed */
260 CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
243}; 261};
244 262
245/* the structure where most of the perl state is stored, overlaid on the cxstack */ 263/* the structure where most of the perl state is stored, overlaid on the cxstack */
246typedef struct 264typedef struct
247{ 265{
260/* this is a structure representing a perl-level coroutine */ 278/* this is a structure representing a perl-level coroutine */
261struct coro { 279struct coro {
262 /* the C coroutine allocated to this perl coroutine, if any */ 280 /* the C coroutine allocated to this perl coroutine, if any */
263 coro_cctx *cctx; 281 coro_cctx *cctx;
264 282
283 /* ready queue */
284 struct coro *next_ready;
285
265 /* state data */ 286 /* state data */
266 struct CoroSLF slf_frame; /* saved slf frame */ 287 struct CoroSLF slf_frame; /* saved slf frame */
267 AV *mainstack; 288 AV *mainstack;
268 perl_slots *slot; /* basically the saved sp */ 289 perl_slots *slot; /* basically the saved sp */
269 290
285 /* async_pool */ 306 /* async_pool */
286 SV *saved_deffh; 307 SV *saved_deffh;
287 SV *invoke_cb; 308 SV *invoke_cb;
288 AV *invoke_av; 309 AV *invoke_av;
289 310
311 /* on_enter/on_leave */
312 AV *on_enter;
313 AV *on_leave;
314
315 /* times */
316 coro_ts t_cpu, t_real;
317
290 /* linked list */ 318 /* linked list */
291 struct coro *next, *prev; 319 struct coro *next, *prev;
292}; 320};
293 321
294typedef struct coro *Coro__State; 322typedef struct coro *Coro__State;
299/* the mainr easonw e don't support windows process emulation */ 327/* the mainr easonw e don't support windows process emulation */
300static struct CoroSLF slf_frame; /* the current slf frame */ 328static struct CoroSLF slf_frame; /* the current slf frame */
301 329
302/** Coro ********************************************************************/ 330/** Coro ********************************************************************/
303 331
304#define PRIO_MAX 3 332#define CORO_PRIO_MAX 3
305#define PRIO_HIGH 1 333#define CORO_PRIO_HIGH 1
306#define PRIO_NORMAL 0 334#define CORO_PRIO_NORMAL 0
307#define PRIO_LOW -1 335#define CORO_PRIO_LOW -1
308#define PRIO_IDLE -3 336#define CORO_PRIO_IDLE -3
309#define PRIO_MIN -4 337#define CORO_PRIO_MIN -4
310 338
311/* for Coro.pm */ 339/* for Coro.pm */
312static SV *coro_current; 340static SV *coro_current;
313static SV *coro_readyhook; 341static SV *coro_readyhook;
314static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; 342static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */
315static CV *cv_coro_run, *cv_coro_terminate; 343static CV *cv_coro_run, *cv_coro_terminate;
316static struct coro *coro_first; 344static struct coro *coro_first;
317#define coro_nready coroapi.nready 345#define coro_nready coroapi.nready
318 346
319/** lowlevel stuff **********************************************************/ 347/** lowlevel stuff **********************************************************/
352INLINE CV * 380INLINE CV *
353coro_sv_2cv (pTHX_ SV *sv) 381coro_sv_2cv (pTHX_ SV *sv)
354{ 382{
355 HV *st; 383 HV *st;
356 GV *gvp; 384 GV *gvp;
357 return sv_2cv (sv, &st, &gvp, 0); 385 CV *cv = sv_2cv (sv, &st, &gvp, 0);
386
387 if (!cv)
388 croak ("code reference expected");
389
390 return cv;
391}
392
393INLINE void
394coro_times_update ()
395{
396#ifdef coro_clock_gettime
397 struct timespec ts;
398
399 ts.tv_sec = ts.tv_nsec = 0;
400 coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts);
401 time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec;
402
403 ts.tv_sec = ts.tv_nsec = 0;
404 coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts);
405 time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec;
406#else
407 UV tv[2];
408
409 u2time (aTHX_ &tv);
410 time_real [0] = tv [0];
411 time_real [1] = tv [1] * 1000;
412#endif
413}
414
415INLINE void
416coro_times_add (struct coro *c)
417{
418 c->t_real [1] += time_real [1];
419 if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
420 c->t_real [0] += time_real [0];
421
422 c->t_cpu [1] += time_cpu [1];
423 if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
424 c->t_cpu [0] += time_cpu [0];
425}
426
427INLINE void
428coro_times_sub (struct coro *c)
429{
430 if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
431 c->t_real [1] -= time_real [1];
432 c->t_real [0] -= time_real [0];
433
434 if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; }
435 c->t_cpu [1] -= time_cpu [1];
436 c->t_cpu [0] -= time_cpu [0];
358} 437}
359 438
360/*****************************************************************************/ 439/*****************************************************************************/
361/* magic glue */ 440/* magic glue */
362 441
462static int 541static int
463coro_cv_free (pTHX_ SV *sv, MAGIC *mg) 542coro_cv_free (pTHX_ SV *sv, MAGIC *mg)
464{ 543{
465 AV *padlist; 544 AV *padlist;
466 AV *av = (AV *)mg->mg_obj; 545 AV *av = (AV *)mg->mg_obj;
546
547 /* perl manages to free our internal AV and _then_ call us */
548 if (IN_DESTRUCT)
549 return;
467 550
468 /* casting is fun. */ 551 /* casting is fun. */
469 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) 552 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
470 free_padlist (aTHX_ padlist); 553 free_padlist (aTHX_ padlist);
471 554
521} 604}
522 605
523/** load & save, init *******************************************************/ 606/** load & save, init *******************************************************/
524 607
525static void 608static void
609on_enterleave_call (pTHX_ SV *cb);
610
611static void
526load_perl (pTHX_ Coro__State c) 612load_perl (pTHX_ Coro__State c)
527{ 613{
528 perl_slots *slot = c->slot; 614 perl_slots *slot = c->slot;
529 c->slot = 0; 615 c->slot = 0;
530 616
556 PUTBACK; 642 PUTBACK;
557 } 643 }
558 644
559 slf_frame = c->slf_frame; 645 slf_frame = c->slf_frame;
560 CORO_THROW = c->except; 646 CORO_THROW = c->except;
647
648 if (expect_false (enable_times))
649 {
650 if (expect_false (!times_valid))
651 coro_times_update ();
652
653 coro_times_sub (c);
654 }
655
656 if (expect_false (c->on_enter))
657 {
658 int i;
659
660 for (i = 0; i <= AvFILLp (c->on_enter); ++i)
661 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
662 }
561} 663}
562 664
563static void 665static void
564save_perl (pTHX_ Coro__State c) 666save_perl (pTHX_ Coro__State c)
565{ 667{
668 if (expect_false (c->on_leave))
669 {
670 int i;
671
672 for (i = AvFILLp (c->on_leave); i >= 0; --i)
673 on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
674 }
675
676 times_valid = 0;
677
678 if (expect_false (enable_times))
679 {
680 coro_times_update (); times_valid = 1;
681 coro_times_add (c);
682 }
683
566 c->except = CORO_THROW; 684 c->except = CORO_THROW;
567 c->slf_frame = slf_frame; 685 c->slf_frame = slf_frame;
568 686
569 { 687 {
570 dSP; 688 dSP;
583 { 701 {
584 while (expect_true (cxix >= 0)) 702 while (expect_true (cxix >= 0))
585 { 703 {
586 PERL_CONTEXT *cx = &ccstk[cxix--]; 704 PERL_CONTEXT *cx = &ccstk[cxix--];
587 705
588 if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) 706 if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT))
589 { 707 {
590 CV *cv = cx->blk_sub.cv; 708 CV *cv = cx->blk_sub.cv;
591 709
592 if (expect_true (CvDEPTH (cv))) 710 if (expect_true (CvDEPTH (cv)))
593 { 711 {
769#endif 887#endif
770 888
771/* 889/*
772 * This overrides the default magic get method of %SIG elements. 890 * This overrides the default magic get method of %SIG elements.
773 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook 891 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook
774 * and instead of tryign to save and restore the hash elements, we just provide 892 * and instead of trying to save and restore the hash elements, we just provide
775 * readback here. 893 * readback here.
776 * We only do this when the hook is != 0, as they are often set to 0 temporarily,
777 * not expecting this to actually change the hook. This is a potential problem
778 * when a schedule happens then, but we ignore this.
779 */ 894 */
780static int 895static int
781coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) 896coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
782{ 897{
783 const char *s = MgPV_nolen_const (mg); 898 const char *s = MgPV_nolen_const (mg);
836 if (strEQ (s, "__WARN__")) svp = &PL_warnhook; 951 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
837 952
838 if (svp) 953 if (svp)
839 { 954 {
840 SV *old = *svp; 955 SV *old = *svp;
841 *svp = newSVsv (sv); 956 *svp = SvOK (sv) ? newSVsv (sv) : 0;
842 SvREFCNT_dec (old); 957 SvREFCNT_dec (old);
843 return 0; 958 return 0;
844 } 959 }
845 } 960 }
846 961
935 1050
936 PL_op = (OP *)&coro_setup_op; 1051 PL_op = (OP *)&coro_setup_op;
937 1052
938 /* copy throw, in case it was set before coro_setup */ 1053 /* copy throw, in case it was set before coro_setup */
939 CORO_THROW = coro->except; 1054 CORO_THROW = coro->except;
940}
941 1055
1056 if (expect_false (enable_times))
1057 {
1058 coro_times_update ();
1059 coro_times_sub (coro);
1060 }
1061}
1062
942static void 1063static void
943coro_destruct (pTHX_ struct coro *coro) 1064coro_unwind_stacks (pTHX)
944{ 1065{
945 if (!IN_DESTRUCT) 1066 if (!IN_DESTRUCT)
946 { 1067 {
947 /* restore all saved variables and stuff */ 1068 /* restore all saved variables and stuff */
948 LEAVE_SCOPE (0); 1069 LEAVE_SCOPE (0);
956 POPSTACK_TO (PL_mainstack); 1077 POPSTACK_TO (PL_mainstack);
957 1078
958 /* unwind main stack */ 1079 /* unwind main stack */
959 dounwind (-1); 1080 dounwind (-1);
960 } 1081 }
1082}
961 1083
962 SvREFCNT_dec (GvSV (PL_defgv)); 1084static void
963 SvREFCNT_dec (GvAV (PL_defgv)); 1085coro_destruct_perl (pTHX_ struct coro *coro)
964 SvREFCNT_dec (GvSV (PL_errgv)); 1086{
965 SvREFCNT_dec (PL_defoutgv); 1087 SV *svf [9];
966 SvREFCNT_dec (PL_rs);
967 SvREFCNT_dec (GvSV (irsgv));
968 SvREFCNT_dec (GvHV (PL_hintgv));
969 1088
970 SvREFCNT_dec (PL_diehook);
971 SvREFCNT_dec (PL_warnhook);
972 1089 {
1090 struct coro *current = SvSTATE_current;
1091
1092 assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1093
1094 save_perl (aTHX_ current);
1095 load_perl (aTHX_ coro);
1096
1097 coro_unwind_stacks (aTHX);
1098 coro_destruct_stacks (aTHX);
1099
1100 // now save some sv's to be free'd later
1101 svf [0] = GvSV (PL_defgv);
1102 svf [1] = (SV *)GvAV (PL_defgv);
1103 svf [2] = GvSV (PL_errgv);
1104 svf [3] = (SV *)PL_defoutgv;
1105 svf [4] = PL_rs;
1106 svf [5] = GvSV (irsgv);
1107 svf [6] = (SV *)GvHV (PL_hintgv);
1108 svf [7] = PL_diehook;
1109 svf [8] = PL_warnhook;
1110 assert (9 == sizeof (svf) / sizeof (*svf));
1111
1112 load_perl (aTHX_ current);
1113 }
1114
1115 {
1116 int i;
1117
1118 for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
1119 SvREFCNT_dec (svf [i]);
1120
973 SvREFCNT_dec (coro->saved_deffh); 1121 SvREFCNT_dec (coro->saved_deffh);
974 SvREFCNT_dec (coro->rouse_cb); 1122 SvREFCNT_dec (coro->rouse_cb);
975 SvREFCNT_dec (coro->invoke_cb); 1123 SvREFCNT_dec (coro->invoke_cb);
976 SvREFCNT_dec (coro->invoke_av); 1124 SvREFCNT_dec (coro->invoke_av);
977 1125 }
978 coro_destruct_stacks (aTHX);
979} 1126}
980 1127
981INLINE void 1128INLINE void
982free_coro_mortal (pTHX) 1129free_coro_mortal (pTHX)
983{ 1130{
1277cctx_destroy (coro_cctx *cctx) 1424cctx_destroy (coro_cctx *cctx)
1278{ 1425{
1279 if (!cctx) 1426 if (!cctx)
1280 return; 1427 return;
1281 1428
1282 assert (cctx != cctx_current);//D temporary 1429 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1283 1430
1284 --cctx_count; 1431 --cctx_count;
1285 coro_destroy (&cctx->cctx); 1432 coro_destroy (&cctx->cctx);
1286 1433
1287 /* coro_transfer creates new, empty cctx's */ 1434 /* coro_transfer creates new, empty cctx's */
1351 /* TODO: throwing up here is considered harmful */ 1498 /* TODO: throwing up here is considered harmful */
1352 1499
1353 if (expect_true (prev != next)) 1500 if (expect_true (prev != next))
1354 { 1501 {
1355 if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) 1502 if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
1356 croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,"); 1503 croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1357 1504
1358 if (expect_false (next->flags & CF_RUNNING))
1359 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1360
1361 if (expect_false (next->flags & CF_DESTROYED)) 1505 if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED)))
1362 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); 1506 croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1363 1507
1364#if !PERL_VERSION_ATLEAST (5,10,0) 1508#if !PERL_VERSION_ATLEAST (5,10,0)
1365 if (expect_false (PL_lex_state != LEX_NOTPARSING)) 1509 if (expect_false (PL_lex_state != LEX_NOTPARSING))
1366 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); 1510 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1367#endif 1511#endif
1405 coro_setup (aTHX_ next); 1549 coro_setup (aTHX_ next);
1406 } 1550 }
1407 else 1551 else
1408 load_perl (aTHX_ next); 1552 load_perl (aTHX_ next);
1409 1553
1410 assert (!prev->cctx);//D temporary
1411
1412 /* possibly untie and reuse the cctx */ 1554 /* possibly untie and reuse the cctx */
1413 if (expect_true ( 1555 if (expect_true (
1414 cctx_current->idle_sp == STACKLEVEL 1556 cctx_current->idle_sp == STACKLEVEL
1415 && !(cctx_current->flags & CC_TRACE) 1557 && !(cctx_current->flags & CC_TRACE)
1416 && !force_cctx 1558 && !force_cctx
1457coro_state_destroy (pTHX_ struct coro *coro) 1599coro_state_destroy (pTHX_ struct coro *coro)
1458{ 1600{
1459 if (coro->flags & CF_DESTROYED) 1601 if (coro->flags & CF_DESTROYED)
1460 return 0; 1602 return 0;
1461 1603
1462 if (coro->on_destroy) 1604 if (coro->on_destroy && !PL_dirty)
1463 coro->on_destroy (aTHX_ coro); 1605 coro->on_destroy (aTHX_ coro);
1464 1606
1465 coro->flags |= CF_DESTROYED; 1607 coro->flags |= CF_DESTROYED;
1466 1608
1467 if (coro->flags & CF_READY) 1609 if (coro->flags & CF_READY)
1471 --coro_nready; 1613 --coro_nready;
1472 } 1614 }
1473 else 1615 else
1474 coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ 1616 coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */
1475 1617
1476 if (coro->mainstack && coro->mainstack != main_mainstack) 1618 if (coro->mainstack
1477 { 1619 && coro->mainstack != main_mainstack
1478 struct coro temp; 1620 && coro->slot
1479 1621 && !PL_dirty)
1480 assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1481
1482 save_perl (aTHX_ &temp);
1483 load_perl (aTHX_ coro);
1484
1485 coro_destruct (aTHX_ coro); 1622 coro_destruct_perl (aTHX_ coro);
1486
1487 load_perl (aTHX_ &temp);
1488
1489 coro->slot = 0;
1490 }
1491 1623
1492 cctx_destroy (coro->cctx); 1624 cctx_destroy (coro->cctx);
1493 SvREFCNT_dec (coro->startcv); 1625 SvREFCNT_dec (coro->startcv);
1494 SvREFCNT_dec (coro->args); 1626 SvREFCNT_dec (coro->args);
1495 SvREFCNT_dec (CORO_THROW); 1627 SvREFCNT_dec (CORO_THROW);
1582/** Coro ********************************************************************/ 1714/** Coro ********************************************************************/
1583 1715
1584INLINE void 1716INLINE void
1585coro_enq (pTHX_ struct coro *coro) 1717coro_enq (pTHX_ struct coro *coro)
1586{ 1718{
1587 av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); 1719 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1588}
1589 1720
1590INLINE SV * 1721 SvREFCNT_inc_NN (coro->hv);
1722
1723 coro->next_ready = 0;
1724 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
1725 ready [1] = coro;
1726}
1727
1728INLINE struct coro *
1591coro_deq (pTHX) 1729coro_deq (pTHX)
1592{ 1730{
1593 int prio; 1731 int prio;
1594 1732
1595 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) 1733 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1596 if (AvFILLp (coro_ready [prio]) >= 0) 1734 {
1597 return av_shift (coro_ready [prio]); 1735 struct coro **ready = coro_ready [prio];
1736
1737 if (ready [0])
1738 {
1739 struct coro *coro = ready [0];
1740 ready [0] = coro->next_ready;
1741 return coro;
1742 }
1743 }
1598 1744
1599 return 0; 1745 return 0;
1600} 1746}
1601 1747
1602static int 1748static int
1666static void 1812static void
1667prepare_schedule (pTHX_ struct coro_transfer_args *ta) 1813prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1668{ 1814{
1669 for (;;) 1815 for (;;)
1670 { 1816 {
1671 SV *next_sv = coro_deq (aTHX); 1817 struct coro *next = coro_deq (aTHX);
1672 1818
1673 if (expect_true (next_sv)) 1819 if (expect_true (next))
1674 { 1820 {
1675 struct coro *next = SvSTATE_hv (next_sv);
1676
1677 /* cannot transfer to destroyed coros, skip and look for next */ 1821 /* cannot transfer to destroyed coros, skip and look for next */
1678 if (expect_false (next->flags & CF_DESTROYED)) 1822 if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED)))
1679 SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ 1823 SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1680 else 1824 else
1681 { 1825 {
1682 next->flags &= ~CF_READY; 1826 next->flags &= ~CF_READY;
1683 --coro_nready; 1827 --coro_nready;
1684 1828
1862 av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ 2006 av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
1863 api_ready (aTHX_ sv_manager); 2007 api_ready (aTHX_ sv_manager);
1864 2008
1865 frame->prepare = prepare_schedule; 2009 frame->prepare = prepare_schedule;
1866 frame->check = slf_check_repeat; 2010 frame->check = slf_check_repeat;
2011
2012 /* as a minor optimisation, we could unwind all stacks here */
2013 /* but that puts extra pressure on pp_slf, and is not worth much */
2014 /*coro_unwind_stacks (aTHX);*/
1867} 2015}
1868 2016
1869/*****************************************************************************/ 2017/*****************************************************************************/
1870/* async pool handler */ 2018/* async pool handler */
1871 2019
1954 SV *data = (SV *)GENSUB_ARG; 2102 SV *data = (SV *)GENSUB_ARG;
1955 2103
1956 if (SvTYPE (SvRV (data)) != SVt_PVAV) 2104 if (SvTYPE (SvRV (data)) != SVt_PVAV)
1957 { 2105 {
1958 /* first call, set args */ 2106 /* first call, set args */
2107 SV *coro = SvRV (data);
1959 AV *av = newAV (); 2108 AV *av = newAV ();
1960 SV *coro = SvRV (data);
1961 2109
1962 SvRV_set (data, (SV *)av); 2110 SvRV_set (data, (SV *)av);
1963 api_ready (aTHX_ coro);
1964 SvREFCNT_dec (coro);
1965 2111
1966 /* better take a full copy of the arguments */ 2112 /* better take a full copy of the arguments */
1967 while (items--) 2113 while (items--)
1968 av_store (av, items, newSVsv (ST (items))); 2114 av_store (av, items, newSVsv (ST (items)));
2115
2116 api_ready (aTHX_ coro);
2117 SvREFCNT_dec (coro);
1969 } 2118 }
1970 2119
1971 XSRETURN_EMPTY; 2120 XSRETURN_EMPTY;
1972} 2121}
1973 2122
1990 2139
1991 EXTEND (SP, AvFILLp (av) + 1); 2140 EXTEND (SP, AvFILLp (av) + 1);
1992 for (i = 0; i <= AvFILLp (av); ++i) 2141 for (i = 0; i <= AvFILLp (av); ++i)
1993 PUSHs (sv_2mortal (AvARRAY (av)[i])); 2142 PUSHs (sv_2mortal (AvARRAY (av)[i]));
1994 2143
1995 /* we have stolen the elements, so ste length to zero and free */ 2144 /* we have stolen the elements, so set length to zero and free */
1996 AvFILLp (av) = -1; 2145 AvFILLp (av) = -1;
1997 av_undef (av); 2146 av_undef (av);
1998 2147
1999 PUTBACK; 2148 PUTBACK;
2000 } 2149 }
2290 2439
2291 PL_op->op_ppaddr = pp_slf; 2440 PL_op->op_ppaddr = pp_slf;
2292 /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ 2441 /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */
2293 2442
2294 PL_op = (OP *)&slf_restore; 2443 PL_op = (OP *)&slf_restore;
2444}
2445
2446/*****************************************************************************/
2447/* dynamic wind */
2448
2449static void
2450on_enterleave_call (pTHX_ SV *cb)
2451{
2452 dSP;
2453
2454 PUSHSTACK;
2455
2456 PUSHMARK (SP);
2457 PUTBACK;
2458 call_sv (cb, G_VOID | G_DISCARD);
2459 SPAGAIN;
2460
2461 POPSTACK;
2462}
2463
2464static SV *
2465coro_avp_pop_and_free (pTHX_ AV **avp)
2466{
2467 AV *av = *avp;
2468 SV *res = av_pop (av);
2469
2470 if (AvFILLp (av) < 0)
2471 {
2472 *avp = 0;
2473 SvREFCNT_dec (av);
2474 }
2475
2476 return res;
2477}
2478
2479static void
2480coro_pop_on_enter (pTHX_ void *coro)
2481{
2482 SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter);
2483 SvREFCNT_dec (cb);
2484}
2485
2486static void
2487coro_pop_on_leave (pTHX_ void *coro)
2488{
2489 SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave);
2490 on_enterleave_call (aTHX_ sv_2mortal (cb));
2295} 2491}
2296 2492
2297/*****************************************************************************/ 2493/*****************************************************************************/
2298/* PerlIO::cede */ 2494/* PerlIO::cede */
2299 2495
2373/* Coro::Semaphore & Coro::Signal */ 2569/* Coro::Semaphore & Coro::Signal */
2374 2570
2375static SV * 2571static SV *
2376coro_waitarray_new (pTHX_ int count) 2572coro_waitarray_new (pTHX_ int count)
2377{ 2573{
2378 /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ 2574 /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2379 AV *av = newAV (); 2575 AV *av = newAV ();
2380 SV **ary; 2576 SV **ary;
2381 2577
2382 /* unfortunately, building manually saves memory */ 2578 /* unfortunately, building manually saves memory */
2383 Newx (ary, 2, SV *); 2579 Newx (ary, 2, SV *);
2527 { 2723 {
2528 /* callback form */ 2724 /* callback form */
2529 AV *av = (AV *)SvRV (arg [0]); 2725 AV *av = (AV *)SvRV (arg [0]);
2530 CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); 2726 CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2531 2727
2532 av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); 2728 av_push (av, SvREFCNT_inc_NN (cb_cv));
2533 2729
2534 if (SvIVX (AvARRAY (av)[0]) > 0) 2730 if (SvIVX (AvARRAY (av)[0]) > 0)
2535 coro_semaphore_adjust (aTHX_ av, 0); 2731 coro_semaphore_adjust (aTHX_ av, 0);
2536 2732
2537 frame->prepare = prepare_nop; 2733 frame->prepare = prepare_nop;
2561 AvARRAY (av)[0] = AvARRAY (av)[1]; 2757 AvARRAY (av)[0] = AvARRAY (av)[1];
2562 AvARRAY (av)[1] = cb; 2758 AvARRAY (av)[1] = cb;
2563 2759
2564 cb = av_shift (av); 2760 cb = av_shift (av);
2565 2761
2762 if (SvTYPE (cb) == SVt_PVCV)
2763 {
2764 dSP;
2765 PUSHMARK (SP);
2766 XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
2767 PUTBACK;
2768 call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
2769 }
2770 else
2771 {
2566 api_ready (aTHX_ cb); 2772 api_ready (aTHX_ cb);
2567 sv_setiv (cb, 0); /* signal waiter */ 2773 sv_setiv (cb, 0); /* signal waiter */
2774 }
2775
2568 SvREFCNT_dec (cb); 2776 SvREFCNT_dec (cb);
2569 2777
2570 --count; 2778 --count;
2571 } 2779 }
2572} 2780}
2581static void 2789static void
2582slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2790slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2583{ 2791{
2584 AV *av = (AV *)SvRV (arg [0]); 2792 AV *av = (AV *)SvRV (arg [0]);
2585 2793
2794 if (items >= 2)
2795 {
2796 CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2797 av_push (av, SvREFCNT_inc_NN (cb_cv));
2798
2586 if (SvIVX (AvARRAY (av)[0])) 2799 if (SvIVX (AvARRAY (av)[0]))
2800 coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */
2801
2802 frame->prepare = prepare_nop;
2803 frame->check = slf_check_nop;
2804 }
2805 else if (SvIVX (AvARRAY (av)[0]))
2587 { 2806 {
2588 SvIVX (AvARRAY (av)[0]) = 0; 2807 SvIVX (AvARRAY (av)[0]) = 0;
2589 frame->prepare = prepare_nop; 2808 frame->prepare = prepare_nop;
2590 frame->check = slf_check_nop; 2809 frame->check = slf_check_nop;
2591 } 2810 }
2592 else 2811 else
2593 { 2812 {
2594 SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ 2813 SV *waiter = newSVsv (coro_current); /* owned by signal av */
2595 2814
2596 av_push (av, waiter); 2815 av_push (av, waiter);
2597 2816
2598 frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ 2817 frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */
2599 frame->prepare = prepare_schedule; 2818 frame->prepare = prepare_schedule;
2838 3057
2839 if (!svp) croak ("Time::HiRes is required"); 3058 if (!svp) croak ("Time::HiRes is required");
2840 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); 3059 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2841 3060
2842 nvtime = INT2PTR (double (*)(), SvIV (*svp)); 3061 nvtime = INT2PTR (double (*)(), SvIV (*svp));
3062
3063 svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
3064 u2time = INT2PTR (double (*)(), SvIV (*svp));
2843 } 3065 }
2844 3066
2845 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 3067 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2846} 3068}
2847 3069
2848SV * 3070SV *
2849new (char *klass, ...) 3071new (char *klass, ...)
2850 ALIAS: 3072 ALIAS:
2997 eval = 1 3219 eval = 1
2998 CODE: 3220 CODE:
2999{ 3221{
3000 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) 3222 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
3001 { 3223 {
3002 struct coro temp; 3224 struct coro *current = SvSTATE_current;
3003 3225
3004 if (!(coro->flags & CF_RUNNING)) 3226 if (current != coro)
3005 { 3227 {
3006 PUTBACK; 3228 PUTBACK;
3007 save_perl (aTHX_ &temp); 3229 save_perl (aTHX_ current);
3008 load_perl (aTHX_ coro); 3230 load_perl (aTHX_ coro);
3231 SPAGAIN;
3009 } 3232 }
3010 3233
3011 {
3012 dSP;
3013 ENTER;
3014 SAVETMPS;
3015 PUTBACK;
3016 PUSHSTACK; 3234 PUSHSTACK;
3235
3017 PUSHMARK (SP); 3236 PUSHMARK (SP);
3237 PUTBACK;
3018 3238
3019 if (ix) 3239 if (ix)
3020 eval_sv (coderef, 0); 3240 eval_sv (coderef, 0);
3021 else 3241 else
3022 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 3242 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
3023 3243
3024 POPSTACK; 3244 POPSTACK;
3025 SPAGAIN; 3245 SPAGAIN;
3026 FREETMPS;
3027 LEAVE;
3028 PUTBACK;
3029 }
3030 3246
3031 if (!(coro->flags & CF_RUNNING)) 3247 if (current != coro)
3032 { 3248 {
3249 PUTBACK;
3033 save_perl (aTHX_ coro); 3250 save_perl (aTHX_ coro);
3034 load_perl (aTHX_ &temp); 3251 load_perl (aTHX_ current);
3035 SPAGAIN; 3252 SPAGAIN;
3036 } 3253 }
3037 } 3254 }
3038} 3255}
3039 3256
3043 ALIAS: 3260 ALIAS:
3044 is_ready = CF_READY 3261 is_ready = CF_READY
3045 is_running = CF_RUNNING 3262 is_running = CF_RUNNING
3046 is_new = CF_NEW 3263 is_new = CF_NEW
3047 is_destroyed = CF_DESTROYED 3264 is_destroyed = CF_DESTROYED
3265 is_suspended = CF_SUSPENDED
3048 CODE: 3266 CODE:
3049 RETVAL = boolSV (coro->flags & ix); 3267 RETVAL = boolSV (coro->flags & ix);
3050 OUTPUT: 3268 OUTPUT:
3051 RETVAL 3269 RETVAL
3052 3270
3056 CODE: 3274 CODE:
3057{ 3275{
3058 struct coro *current = SvSTATE_current; 3276 struct coro *current = SvSTATE_current;
3059 SV **throwp = self == current ? &CORO_THROW : &self->except; 3277 SV **throwp = self == current ? &CORO_THROW : &self->except;
3060 SvREFCNT_dec (*throwp); 3278 SvREFCNT_dec (*throwp);
3279 SvGETMAGIC (throw);
3061 *throwp = SvOK (throw) ? newSVsv (throw) : 0; 3280 *throwp = SvOK (throw) ? newSVsv (throw) : 0;
3062} 3281}
3063 3282
3064void 3283void
3065api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 3284api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
3117 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; 3336 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
3118 3337
3119 SV *tmp = *src; *src = *dst; *dst = tmp; 3338 SV *tmp = *src; *src = *dst; *dst = tmp;
3120 } 3339 }
3121 3340
3341void
3342cancel (Coro::State self)
3343 CODE:
3344 coro_state_destroy (aTHX_ self);
3345 coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
3346
3347
3348SV *
3349enable_times (int enabled = enable_times)
3350 CODE:
3351{
3352 RETVAL = boolSV (enable_times);
3353
3354 if (enabled != enable_times)
3355 {
3356 enable_times = enabled;
3357
3358 coro_times_update ();
3359 (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current));
3360 }
3361}
3362 OUTPUT:
3363 RETVAL
3364
3365void
3366times (Coro::State self)
3367 PPCODE:
3368{
3369 struct coro *current = SvSTATE (coro_current);
3370
3371 if (expect_false (current == self))
3372 {
3373 coro_times_update ();
3374 coro_times_add (SvSTATE (coro_current));
3375 }
3376
3377 EXTEND (SP, 2);
3378 PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));
3379 PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
3380
3381 if (expect_false (current == self))
3382 coro_times_sub (SvSTATE (coro_current));
3383}
3122 3384
3123MODULE = Coro::State PACKAGE = Coro 3385MODULE = Coro::State PACKAGE = Coro
3124 3386
3125BOOT: 3387BOOT:
3126{ 3388{
3127 int i;
3128
3129 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 3389 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3130 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); 3390 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3131 cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); 3391 cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3132 cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); 3392 cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3133 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); 3393 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3134 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); 3394 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3135 av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); 3395 av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3136 sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); 3396 sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
3141 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); 3401 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3142 cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); 3402 cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
3143 3403
3144 coro_stash = gv_stashpv ("Coro", TRUE); 3404 coro_stash = gv_stashpv ("Coro", TRUE);
3145 3405
3146 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 3406 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3147 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 3407 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3148 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); 3408 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
3149 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); 3409 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
3150 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); 3410 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
3151 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); 3411 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
3152
3153 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
3154 coro_ready[i] = newAV ();
3155 3412
3156 { 3413 {
3157 SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); 3414 SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3158 3415
3159 coroapi.schedule = api_schedule; 3416 coroapi.schedule = api_schedule;
3200cede_notself (...) 3457cede_notself (...)
3201 CODE: 3458 CODE:
3202 CORO_EXECUTE_SLF_XS (slf_init_cede_notself); 3459 CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3203 3460
3204void 3461void
3205_cancel (Coro::State self)
3206 CODE:
3207 coro_state_destroy (aTHX_ self);
3208 coro_call_on_destroy (aTHX_ self);
3209
3210void
3211_set_current (SV *current) 3462_set_current (SV *current)
3212 PROTOTYPE: $ 3463 PROTOTYPE: $
3213 CODE: 3464 CODE:
3214 SvREFCNT_dec (SvRV (coro_current)); 3465 SvREFCNT_dec (SvRV (coro_current));
3215 SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); 3466 SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
3217void 3468void
3218_set_readyhook (SV *hook) 3469_set_readyhook (SV *hook)
3219 PROTOTYPE: $ 3470 PROTOTYPE: $
3220 CODE: 3471 CODE:
3221 SvREFCNT_dec (coro_readyhook); 3472 SvREFCNT_dec (coro_readyhook);
3473 SvGETMAGIC (hook);
3222 coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; 3474 coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
3223 3475
3224int 3476int
3225prio (Coro::State coro, int newprio = 0) 3477prio (Coro::State coro, int newprio = 0)
3226 PROTOTYPE: $;$ 3478 PROTOTYPE: $;$
3233 if (items > 1) 3485 if (items > 1)
3234 { 3486 {
3235 if (ix) 3487 if (ix)
3236 newprio = coro->prio - newprio; 3488 newprio = coro->prio - newprio;
3237 3489
3238 if (newprio < PRIO_MIN) newprio = PRIO_MIN; 3490 if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3239 if (newprio > PRIO_MAX) newprio = PRIO_MAX; 3491 if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3240 3492
3241 coro->prio = newprio; 3493 coro->prio = newprio;
3242 } 3494 }
3243} 3495}
3244 OUTPUT: 3496 OUTPUT:
3257 PROTOTYPE: 3509 PROTOTYPE:
3258 CODE: 3510 CODE:
3259 RETVAL = coro_nready; 3511 RETVAL = coro_nready;
3260 OUTPUT: 3512 OUTPUT:
3261 RETVAL 3513 RETVAL
3514
3515void
3516suspend (Coro::State self)
3517 PROTOTYPE: $
3518 CODE:
3519 self->flags |= CF_SUSPENDED;
3520
3521void
3522resume (Coro::State self)
3523 PROTOTYPE: $
3524 CODE:
3525 self->flags &= ~CF_SUSPENDED;
3262 3526
3263void 3527void
3264_pool_handler (...) 3528_pool_handler (...)
3265 CODE: 3529 CODE:
3266 CORO_EXECUTE_SLF_XS (slf_init_pool_handler); 3530 CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
3321rouse_wait (...) 3585rouse_wait (...)
3322 PROTOTYPE: ;$ 3586 PROTOTYPE: ;$
3323 PPCODE: 3587 PPCODE:
3324 CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); 3588 CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3325 3589
3590void
3591on_enter (SV *block)
3592 ALIAS:
3593 on_leave = 1
3594 PROTOTYPE: &
3595 CODE:
3596{
3597 struct coro *coro = SvSTATE_current;
3598 AV **avp = ix ? &coro->on_leave : &coro->on_enter;
3599
3600 block = (SV *)coro_sv_2cv (aTHX_ block);
3601
3602 if (!*avp)
3603 *avp = newAV ();
3604
3605 av_push (*avp, SvREFCNT_inc (block));
3606
3607 if (!ix)
3608 on_enterleave_call (aTHX_ block);
3609
3610 LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
3611 SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
3612 ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
3613}
3614
3326 3615
3327MODULE = Coro::State PACKAGE = PerlIO::cede 3616MODULE = Coro::State PACKAGE = PerlIO::cede
3328 3617
3329BOOT: 3618BOOT:
3330 PerlIO_define_layer (aTHX_ &PerlIO_cede); 3619 PerlIO_define_layer (aTHX_ &PerlIO_cede);
3333MODULE = Coro::State PACKAGE = Coro::Semaphore 3622MODULE = Coro::State PACKAGE = Coro::Semaphore
3334 3623
3335SV * 3624SV *
3336new (SV *klass, SV *count = 0) 3625new (SV *klass, SV *count = 0)
3337 CODE: 3626 CODE:
3627{
3628 int semcnt = 1;
3629
3630 if (count)
3631 {
3632 SvGETMAGIC (count);
3633
3634 if (SvOK (count))
3635 semcnt = SvIV (count);
3636 }
3637
3338 RETVAL = sv_bless ( 3638 RETVAL = sv_bless (
3339 coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), 3639 coro_waitarray_new (aTHX_ semcnt),
3340 GvSTASH (CvGV (cv)) 3640 GvSTASH (CvGV (cv))
3341 ); 3641 );
3642}
3342 OUTPUT: 3643 OUTPUT:
3343 RETVAL 3644 RETVAL
3344 3645
3345# helper for Coro::Channel 3646# helper for Coro::Channel and others
3346SV * 3647SV *
3347_alloc (int count) 3648_alloc (int count)
3348 CODE: 3649 CODE:
3349 RETVAL = coro_waitarray_new (aTHX_ count); 3650 RETVAL = coro_waitarray_new (aTHX_ count);
3350 OUTPUT: 3651 OUTPUT:
3408 for (i = 1; i <= wcount; ++i) 3709 for (i = 1; i <= wcount; ++i)
3409 PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); 3710 PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3410 } 3711 }
3411} 3712}
3412 3713
3714MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
3715
3716void
3717_may_delete (SV *sem, int count, int extra_refs)
3718 PPCODE:
3719{
3720 AV *av = (AV *)SvRV (sem);
3721
3722 if (SvREFCNT ((SV *)av) == 1 + extra_refs
3723 && AvFILLp (av) == 0 /* no waiters, just count */
3724 && SvIV (AvARRAY (av)[0]) == count)
3725 XSRETURN_YES;
3726
3727 XSRETURN_NO;
3728}
3729
3413MODULE = Coro::State PACKAGE = Coro::Signal 3730MODULE = Coro::State PACKAGE = Coro::Signal
3414 3731
3415SV * 3732SV *
3416new (SV *klass) 3733new (SV *klass)
3417 CODE: 3734 CODE:

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