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Comparing Coro/Coro/State.xs (file contents):
Revision 1.334 by root, Fri Nov 28 23:30:55 2008 UTC vs.
Revision 1.361 by root, Wed Jul 1 07:26:40 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 dTHX;
408 UV tv[2];
409
410 u2time (aTHX_ &tv);
411 time_real [0] = tv [0];
412 time_real [1] = tv [1] * 1000;
413#endif
414}
415
416INLINE void
417coro_times_add (struct coro *c)
418{
419 c->t_real [1] += time_real [1];
420 if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
421 c->t_real [0] += time_real [0];
422
423 c->t_cpu [1] += time_cpu [1];
424 if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
425 c->t_cpu [0] += time_cpu [0];
426}
427
428INLINE void
429coro_times_sub (struct coro *c)
430{
431 if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
432 c->t_real [1] -= time_real [1];
433 c->t_real [0] -= time_real [0];
434
435 if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; }
436 c->t_cpu [1] -= time_cpu [1];
437 c->t_cpu [0] -= time_cpu [0];
358} 438}
359 439
360/*****************************************************************************/ 440/*****************************************************************************/
361/* magic glue */ 441/* magic glue */
362 442
… …
462static int 542static int
463coro_cv_free (pTHX_ SV *sv, MAGIC *mg) 543coro_cv_free (pTHX_ SV *sv, MAGIC *mg)
464{ 544{
465 AV *padlist; 545 AV *padlist;
466 AV *av = (AV *)mg->mg_obj; 546 AV *av = (AV *)mg->mg_obj;
547
548 /* perl manages to free our internal AV and _then_ call us */
549 if (IN_DESTRUCT)
550 return;
467 551
468 /* casting is fun. */ 552 /* casting is fun. */
469 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) 553 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
470 free_padlist (aTHX_ padlist); 554 free_padlist (aTHX_ padlist);
471 555
… …
521} 605}
522 606
523/** load & save, init *******************************************************/ 607/** load & save, init *******************************************************/
524 608
525static void 609static void
610on_enterleave_call (pTHX_ SV *cb);
611
612static void
526load_perl (pTHX_ Coro__State c) 613load_perl (pTHX_ Coro__State c)
527{ 614{
528 perl_slots *slot = c->slot; 615 perl_slots *slot = c->slot;
529 c->slot = 0; 616 c->slot = 0;
530 617
… …
556 PUTBACK; 643 PUTBACK;
557 } 644 }
558 645
559 slf_frame = c->slf_frame; 646 slf_frame = c->slf_frame;
560 CORO_THROW = c->except; 647 CORO_THROW = c->except;
648
649 if (expect_false (enable_times))
650 {
651 if (expect_false (!times_valid))
652 coro_times_update ();
653
654 coro_times_sub (c);
655 }
656
657 if (expect_false (c->on_enter))
658 {
659 int i;
660
661 for (i = 0; i <= AvFILLp (c->on_enter); ++i)
662 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
663 }
561} 664}
562 665
563static void 666static void
564save_perl (pTHX_ Coro__State c) 667save_perl (pTHX_ Coro__State c)
565{ 668{
669 if (expect_false (c->on_leave))
670 {
671 int i;
672
673 for (i = AvFILLp (c->on_leave); i >= 0; --i)
674 on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
675 }
676
677 times_valid = 0;
678
679 if (expect_false (enable_times))
680 {
681 coro_times_update (); times_valid = 1;
682 coro_times_add (c);
683 }
684
566 c->except = CORO_THROW; 685 c->except = CORO_THROW;
567 c->slf_frame = slf_frame; 686 c->slf_frame = slf_frame;
568 687
569 { 688 {
570 dSP; 689 dSP;
… …
583 { 702 {
584 while (expect_true (cxix >= 0)) 703 while (expect_true (cxix >= 0))
585 { 704 {
586 PERL_CONTEXT *cx = &ccstk[cxix--]; 705 PERL_CONTEXT *cx = &ccstk[cxix--];
587 706
588 if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) 707 if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT))
589 { 708 {
590 CV *cv = cx->blk_sub.cv; 709 CV *cv = cx->blk_sub.cv;
591 710
592 if (expect_true (CvDEPTH (cv))) 711 if (expect_true (CvDEPTH (cv)))
593 { 712 {
… …
769#endif 888#endif
770 889
771/* 890/*
772 * This overrides the default magic get method of %SIG elements. 891 * 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 892 * 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 893 * and instead of trying to save and restore the hash elements, we just provide
775 * readback here. 894 * 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 */ 895 */
780static int 896static int
781coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) 897coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
782{ 898{
783 const char *s = MgPV_nolen_const (mg); 899 const char *s = MgPV_nolen_const (mg);
… …
836 if (strEQ (s, "__WARN__")) svp = &PL_warnhook; 952 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
837 953
838 if (svp) 954 if (svp)
839 { 955 {
840 SV *old = *svp; 956 SV *old = *svp;
841 *svp = newSVsv (sv); 957 *svp = SvOK (sv) ? newSVsv (sv) : 0;
842 SvREFCNT_dec (old); 958 SvREFCNT_dec (old);
843 return 0; 959 return 0;
844 } 960 }
845 } 961 }
846 962
… …
935 1051
936 PL_op = (OP *)&coro_setup_op; 1052 PL_op = (OP *)&coro_setup_op;
937 1053
938 /* copy throw, in case it was set before coro_setup */ 1054 /* copy throw, in case it was set before coro_setup */
939 CORO_THROW = coro->except; 1055 CORO_THROW = coro->except;
940}
941 1056
1057 if (expect_false (enable_times))
1058 {
1059 coro_times_update ();
1060 coro_times_sub (coro);
1061 }
1062}
1063
942static void 1064static void
943coro_destruct_perl (pTHX_ struct coro *coro) 1065coro_unwind_stacks (pTHX)
944{ 1066{
945 if (!IN_DESTRUCT) 1067 if (!IN_DESTRUCT)
946 { 1068 {
947 /* restore all saved variables and stuff */ 1069 /* restore all saved variables and stuff */
948 LEAVE_SCOPE (0); 1070 LEAVE_SCOPE (0);
… …
956 POPSTACK_TO (PL_mainstack); 1078 POPSTACK_TO (PL_mainstack);
957 1079
958 /* unwind main stack */ 1080 /* unwind main stack */
959 dounwind (-1); 1081 dounwind (-1);
960 } 1082 }
1083}
961 1084
962 SvREFCNT_dec (GvSV (PL_defgv)); 1085static void
963 SvREFCNT_dec (GvAV (PL_defgv)); 1086coro_destruct_perl (pTHX_ struct coro *coro)
964 SvREFCNT_dec (GvSV (PL_errgv)); 1087{
965 SvREFCNT_dec (PL_defoutgv); 1088 SV *svf [9];
966 SvREFCNT_dec (PL_rs);
967 SvREFCNT_dec (GvSV (irsgv));
968 SvREFCNT_dec (GvHV (PL_hintgv));
969 1089
970 SvREFCNT_dec (PL_diehook);
971 SvREFCNT_dec (PL_warnhook);
972 1090 {
1091 struct coro *current = SvSTATE_current;
1092
1093 assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1094
1095 save_perl (aTHX_ current);
1096 load_perl (aTHX_ coro);
1097
1098 coro_unwind_stacks (aTHX);
1099 coro_destruct_stacks (aTHX);
1100
1101 // now save some sv's to be free'd later
1102 svf [0] = GvSV (PL_defgv);
1103 svf [1] = (SV *)GvAV (PL_defgv);
1104 svf [2] = GvSV (PL_errgv);
1105 svf [3] = (SV *)PL_defoutgv;
1106 svf [4] = PL_rs;
1107 svf [5] = GvSV (irsgv);
1108 svf [6] = (SV *)GvHV (PL_hintgv);
1109 svf [7] = PL_diehook;
1110 svf [8] = PL_warnhook;
1111 assert (9 == sizeof (svf) / sizeof (*svf));
1112
1113 load_perl (aTHX_ current);
1114 }
1115
1116 {
1117 int i;
1118
1119 for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
1120 SvREFCNT_dec (svf [i]);
1121
973 SvREFCNT_dec (coro->saved_deffh); 1122 SvREFCNT_dec (coro->saved_deffh);
974 SvREFCNT_dec (coro->rouse_cb); 1123 SvREFCNT_dec (coro->rouse_cb);
975 SvREFCNT_dec (coro->invoke_cb); 1124 SvREFCNT_dec (coro->invoke_cb);
976 SvREFCNT_dec (coro->invoke_av); 1125 SvREFCNT_dec (coro->invoke_av);
977 1126 }
978 coro_destruct_stacks (aTHX);
979} 1127}
980 1128
981INLINE void 1129INLINE void
982free_coro_mortal (pTHX) 1130free_coro_mortal (pTHX)
983{ 1131{
… …
1277cctx_destroy (coro_cctx *cctx) 1425cctx_destroy (coro_cctx *cctx)
1278{ 1426{
1279 if (!cctx) 1427 if (!cctx)
1280 return; 1428 return;
1281 1429
1282 assert (cctx != cctx_current);//D temporary 1430 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1283 1431
1284 --cctx_count; 1432 --cctx_count;
1285 coro_destroy (&cctx->cctx); 1433 coro_destroy (&cctx->cctx);
1286 1434
1287 /* coro_transfer creates new, empty cctx's */ 1435 /* coro_transfer creates new, empty cctx's */
… …
1351 /* TODO: throwing up here is considered harmful */ 1499 /* TODO: throwing up here is considered harmful */
1352 1500
1353 if (expect_true (prev != next)) 1501 if (expect_true (prev != next))
1354 { 1502 {
1355 if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) 1503 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,"); 1504 croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1357 1505
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)) 1506 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,"); 1507 croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1363 1508
1364#if !PERL_VERSION_ATLEAST (5,10,0) 1509#if !PERL_VERSION_ATLEAST (5,10,0)
1365 if (expect_false (PL_lex_state != LEX_NOTPARSING)) 1510 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,"); 1511 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1367#endif 1512#endif
… …
1405 coro_setup (aTHX_ next); 1550 coro_setup (aTHX_ next);
1406 } 1551 }
1407 else 1552 else
1408 load_perl (aTHX_ next); 1553 load_perl (aTHX_ next);
1409 1554
1410 assert (!prev->cctx);//D temporary
1411
1412 /* possibly untie and reuse the cctx */ 1555 /* possibly untie and reuse the cctx */
1413 if (expect_true ( 1556 if (expect_true (
1414 cctx_current->idle_sp == STACKLEVEL 1557 cctx_current->idle_sp == STACKLEVEL
1415 && !(cctx_current->flags & CC_TRACE) 1558 && !(cctx_current->flags & CC_TRACE)
1416 && !force_cctx 1559 && !force_cctx
… …
1457coro_state_destroy (pTHX_ struct coro *coro) 1600coro_state_destroy (pTHX_ struct coro *coro)
1458{ 1601{
1459 if (coro->flags & CF_DESTROYED) 1602 if (coro->flags & CF_DESTROYED)
1460 return 0; 1603 return 0;
1461 1604
1462 if (coro->on_destroy) 1605 if (coro->on_destroy && !PL_dirty)
1463 coro->on_destroy (aTHX_ coro); 1606 coro->on_destroy (aTHX_ coro);
1464 1607
1465 coro->flags |= CF_DESTROYED; 1608 coro->flags |= CF_DESTROYED;
1466 1609
1467 if (coro->flags & CF_READY) 1610 if (coro->flags & CF_READY)
… …
1473 else 1616 else
1474 coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ 1617 coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */
1475 1618
1476 if (coro->mainstack 1619 if (coro->mainstack
1477 && coro->mainstack != main_mainstack 1620 && coro->mainstack != main_mainstack
1621 && coro->slot
1478 && !PL_dirty) 1622 && !PL_dirty)
1479 {
1480 struct coro temp;
1481
1482 assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1483
1484 save_perl (aTHX_ &temp);
1485 load_perl (aTHX_ coro);
1486
1487 coro_destruct_perl (aTHX_ coro); 1623 coro_destruct_perl (aTHX_ coro);
1488
1489 load_perl (aTHX_ &temp);
1490
1491 coro->slot = 0;
1492 }
1493 1624
1494 cctx_destroy (coro->cctx); 1625 cctx_destroy (coro->cctx);
1495 SvREFCNT_dec (coro->startcv); 1626 SvREFCNT_dec (coro->startcv);
1496 SvREFCNT_dec (coro->args); 1627 SvREFCNT_dec (coro->args);
1497 SvREFCNT_dec (CORO_THROW); 1628 SvREFCNT_dec (CORO_THROW);
… …
1584/** Coro ********************************************************************/ 1715/** Coro ********************************************************************/
1585 1716
1586INLINE void 1717INLINE void
1587coro_enq (pTHX_ struct coro *coro) 1718coro_enq (pTHX_ struct coro *coro)
1588{ 1719{
1589 av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); 1720 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1590}
1591 1721
1592INLINE SV * 1722 SvREFCNT_inc_NN (coro->hv);
1723
1724 coro->next_ready = 0;
1725 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
1726 ready [1] = coro;
1727}
1728
1729INLINE struct coro *
1593coro_deq (pTHX) 1730coro_deq (pTHX)
1594{ 1731{
1595 int prio; 1732 int prio;
1596 1733
1597 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) 1734 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1598 if (AvFILLp (coro_ready [prio]) >= 0) 1735 {
1599 return av_shift (coro_ready [prio]); 1736 struct coro **ready = coro_ready [prio];
1737
1738 if (ready [0])
1739 {
1740 struct coro *coro = ready [0];
1741 ready [0] = coro->next_ready;
1742 return coro;
1743 }
1744 }
1600 1745
1601 return 0; 1746 return 0;
1602} 1747}
1603 1748
1604static int 1749static int
… …
1668static void 1813static void
1669prepare_schedule (pTHX_ struct coro_transfer_args *ta) 1814prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1670{ 1815{
1671 for (;;) 1816 for (;;)
1672 { 1817 {
1673 SV *next_sv = coro_deq (aTHX); 1818 struct coro *next = coro_deq (aTHX);
1674 1819
1675 if (expect_true (next_sv)) 1820 if (expect_true (next))
1676 { 1821 {
1677 struct coro *next = SvSTATE_hv (next_sv);
1678
1679 /* cannot transfer to destroyed coros, skip and look for next */ 1822 /* cannot transfer to destroyed coros, skip and look for next */
1680 if (expect_false (next->flags & CF_DESTROYED)) 1823 if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED)))
1681 SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ 1824 SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1682 else 1825 else
1683 { 1826 {
1684 next->flags &= ~CF_READY; 1827 next->flags &= ~CF_READY;
1685 --coro_nready; 1828 --coro_nready;
1686 1829
… …
1864 av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ 2007 av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
1865 api_ready (aTHX_ sv_manager); 2008 api_ready (aTHX_ sv_manager);
1866 2009
1867 frame->prepare = prepare_schedule; 2010 frame->prepare = prepare_schedule;
1868 frame->check = slf_check_repeat; 2011 frame->check = slf_check_repeat;
2012
2013 /* as a minor optimisation, we could unwind all stacks here */
2014 /* but that puts extra pressure on pp_slf, and is not worth much */
2015 /*coro_unwind_stacks (aTHX);*/
1869} 2016}
1870 2017
1871/*****************************************************************************/ 2018/*****************************************************************************/
1872/* async pool handler */ 2019/* async pool handler */
1873 2020
… …
1956 SV *data = (SV *)GENSUB_ARG; 2103 SV *data = (SV *)GENSUB_ARG;
1957 2104
1958 if (SvTYPE (SvRV (data)) != SVt_PVAV) 2105 if (SvTYPE (SvRV (data)) != SVt_PVAV)
1959 { 2106 {
1960 /* first call, set args */ 2107 /* first call, set args */
2108 SV *coro = SvRV (data);
1961 AV *av = newAV (); 2109 AV *av = newAV ();
1962 SV *coro = SvRV (data);
1963 2110
1964 SvRV_set (data, (SV *)av); 2111 SvRV_set (data, (SV *)av);
1965 api_ready (aTHX_ coro);
1966 SvREFCNT_dec (coro);
1967 2112
1968 /* better take a full copy of the arguments */ 2113 /* better take a full copy of the arguments */
1969 while (items--) 2114 while (items--)
1970 av_store (av, items, newSVsv (ST (items))); 2115 av_store (av, items, newSVsv (ST (items)));
2116
2117 api_ready (aTHX_ coro);
2118 SvREFCNT_dec (coro);
1971 } 2119 }
1972 2120
1973 XSRETURN_EMPTY; 2121 XSRETURN_EMPTY;
1974} 2122}
1975 2123
… …
1992 2140
1993 EXTEND (SP, AvFILLp (av) + 1); 2141 EXTEND (SP, AvFILLp (av) + 1);
1994 for (i = 0; i <= AvFILLp (av); ++i) 2142 for (i = 0; i <= AvFILLp (av); ++i)
1995 PUSHs (sv_2mortal (AvARRAY (av)[i])); 2143 PUSHs (sv_2mortal (AvARRAY (av)[i]));
1996 2144
1997 /* we have stolen the elements, so ste length to zero and free */ 2145 /* we have stolen the elements, so set length to zero and free */
1998 AvFILLp (av) = -1; 2146 AvFILLp (av) = -1;
1999 av_undef (av); 2147 av_undef (av);
2000 2148
2001 PUTBACK; 2149 PUTBACK;
2002 } 2150 }
… …
2292 2440
2293 PL_op->op_ppaddr = pp_slf; 2441 PL_op->op_ppaddr = pp_slf;
2294 /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ 2442 /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */
2295 2443
2296 PL_op = (OP *)&slf_restore; 2444 PL_op = (OP *)&slf_restore;
2445}
2446
2447/*****************************************************************************/
2448/* dynamic wind */
2449
2450static void
2451on_enterleave_call (pTHX_ SV *cb)
2452{
2453 dSP;
2454
2455 PUSHSTACK;
2456
2457 PUSHMARK (SP);
2458 PUTBACK;
2459 call_sv (cb, G_VOID | G_DISCARD);
2460 SPAGAIN;
2461
2462 POPSTACK;
2463}
2464
2465static SV *
2466coro_avp_pop_and_free (pTHX_ AV **avp)
2467{
2468 AV *av = *avp;
2469 SV *res = av_pop (av);
2470
2471 if (AvFILLp (av) < 0)
2472 {
2473 *avp = 0;
2474 SvREFCNT_dec (av);
2475 }
2476
2477 return res;
2478}
2479
2480static void
2481coro_pop_on_enter (pTHX_ void *coro)
2482{
2483 SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter);
2484 SvREFCNT_dec (cb);
2485}
2486
2487static void
2488coro_pop_on_leave (pTHX_ void *coro)
2489{
2490 SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave);
2491 on_enterleave_call (aTHX_ sv_2mortal (cb));
2297} 2492}
2298 2493
2299/*****************************************************************************/ 2494/*****************************************************************************/
2300/* PerlIO::cede */ 2495/* PerlIO::cede */
2301 2496
… …
2375/* Coro::Semaphore & Coro::Signal */ 2570/* Coro::Semaphore & Coro::Signal */
2376 2571
2377static SV * 2572static SV *
2378coro_waitarray_new (pTHX_ int count) 2573coro_waitarray_new (pTHX_ int count)
2379{ 2574{
2380 /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ 2575 /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2381 AV *av = newAV (); 2576 AV *av = newAV ();
2382 SV **ary; 2577 SV **ary;
2383 2578
2384 /* unfortunately, building manually saves memory */ 2579 /* unfortunately, building manually saves memory */
2385 Newx (ary, 2, SV *); 2580 Newx (ary, 2, SV *);
… …
2529 { 2724 {
2530 /* callback form */ 2725 /* callback form */
2531 AV *av = (AV *)SvRV (arg [0]); 2726 AV *av = (AV *)SvRV (arg [0]);
2532 CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); 2727 CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2533 2728
2534 av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); 2729 av_push (av, SvREFCNT_inc_NN (cb_cv));
2535 2730
2536 if (SvIVX (AvARRAY (av)[0]) > 0) 2731 if (SvIVX (AvARRAY (av)[0]) > 0)
2537 coro_semaphore_adjust (aTHX_ av, 0); 2732 coro_semaphore_adjust (aTHX_ av, 0);
2538 2733
2539 frame->prepare = prepare_nop; 2734 frame->prepare = prepare_nop;
… …
2563 AvARRAY (av)[0] = AvARRAY (av)[1]; 2758 AvARRAY (av)[0] = AvARRAY (av)[1];
2564 AvARRAY (av)[1] = cb; 2759 AvARRAY (av)[1] = cb;
2565 2760
2566 cb = av_shift (av); 2761 cb = av_shift (av);
2567 2762
2763 if (SvTYPE (cb) == SVt_PVCV)
2764 {
2765 dSP;
2766 PUSHMARK (SP);
2767 XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
2768 PUTBACK;
2769 call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
2770 }
2771 else
2772 {
2568 api_ready (aTHX_ cb); 2773 api_ready (aTHX_ cb);
2569 sv_setiv (cb, 0); /* signal waiter */ 2774 sv_setiv (cb, 0); /* signal waiter */
2775 }
2776
2570 SvREFCNT_dec (cb); 2777 SvREFCNT_dec (cb);
2571 2778
2572 --count; 2779 --count;
2573 } 2780 }
2574} 2781}
… …
2583static void 2790static void
2584slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2791slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2585{ 2792{
2586 AV *av = (AV *)SvRV (arg [0]); 2793 AV *av = (AV *)SvRV (arg [0]);
2587 2794
2795 if (items >= 2)
2796 {
2797 CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2798 av_push (av, SvREFCNT_inc_NN (cb_cv));
2799
2588 if (SvIVX (AvARRAY (av)[0])) 2800 if (SvIVX (AvARRAY (av)[0]))
2801 coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */
2802
2803 frame->prepare = prepare_nop;
2804 frame->check = slf_check_nop;
2805 }
2806 else if (SvIVX (AvARRAY (av)[0]))
2589 { 2807 {
2590 SvIVX (AvARRAY (av)[0]) = 0; 2808 SvIVX (AvARRAY (av)[0]) = 0;
2591 frame->prepare = prepare_nop; 2809 frame->prepare = prepare_nop;
2592 frame->check = slf_check_nop; 2810 frame->check = slf_check_nop;
2593 } 2811 }
2594 else 2812 else
2595 { 2813 {
2596 SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ 2814 SV *waiter = newSVsv (coro_current); /* owned by signal av */
2597 2815
2598 av_push (av, waiter); 2816 av_push (av, waiter);
2599 2817
2600 frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ 2818 frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */
2601 frame->prepare = prepare_schedule; 2819 frame->prepare = prepare_schedule;
… …
2840 3058
2841 if (!svp) croak ("Time::HiRes is required"); 3059 if (!svp) croak ("Time::HiRes is required");
2842 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); 3060 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2843 3061
2844 nvtime = INT2PTR (double (*)(), SvIV (*svp)); 3062 nvtime = INT2PTR (double (*)(), SvIV (*svp));
3063
3064 svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
3065 u2time = INT2PTR (double (*)(), SvIV (*svp));
2845 } 3066 }
2846 3067
2847 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 3068 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2848} 3069}
2849 3070
2850SV * 3071SV *
2851new (char *klass, ...) 3072new (char *klass, ...)
2852 ALIAS: 3073 ALIAS:
… …
2999 eval = 1 3220 eval = 1
3000 CODE: 3221 CODE:
3001{ 3222{
3002 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) 3223 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
3003 { 3224 {
3004 struct coro temp; 3225 struct coro *current = SvSTATE_current;
3005 3226
3006 if (!(coro->flags & CF_RUNNING)) 3227 if (current != coro)
3007 { 3228 {
3008 PUTBACK; 3229 PUTBACK;
3009 save_perl (aTHX_ &temp); 3230 save_perl (aTHX_ current);
3010 load_perl (aTHX_ coro); 3231 load_perl (aTHX_ coro);
3232 SPAGAIN;
3011 } 3233 }
3012 3234
3013 {
3014 dSP;
3015 ENTER;
3016 SAVETMPS;
3017 PUTBACK;
3018 PUSHSTACK; 3235 PUSHSTACK;
3236
3019 PUSHMARK (SP); 3237 PUSHMARK (SP);
3238 PUTBACK;
3020 3239
3021 if (ix) 3240 if (ix)
3022 eval_sv (coderef, 0); 3241 eval_sv (coderef, 0);
3023 else 3242 else
3024 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 3243 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
3025 3244
3026 POPSTACK; 3245 POPSTACK;
3027 SPAGAIN; 3246 SPAGAIN;
3028 FREETMPS;
3029 LEAVE;
3030 PUTBACK;
3031 }
3032 3247
3033 if (!(coro->flags & CF_RUNNING)) 3248 if (current != coro)
3034 { 3249 {
3250 PUTBACK;
3035 save_perl (aTHX_ coro); 3251 save_perl (aTHX_ coro);
3036 load_perl (aTHX_ &temp); 3252 load_perl (aTHX_ current);
3037 SPAGAIN; 3253 SPAGAIN;
3038 } 3254 }
3039 } 3255 }
3040} 3256}
3041 3257
… …
3045 ALIAS: 3261 ALIAS:
3046 is_ready = CF_READY 3262 is_ready = CF_READY
3047 is_running = CF_RUNNING 3263 is_running = CF_RUNNING
3048 is_new = CF_NEW 3264 is_new = CF_NEW
3049 is_destroyed = CF_DESTROYED 3265 is_destroyed = CF_DESTROYED
3266 is_suspended = CF_SUSPENDED
3050 CODE: 3267 CODE:
3051 RETVAL = boolSV (coro->flags & ix); 3268 RETVAL = boolSV (coro->flags & ix);
3052 OUTPUT: 3269 OUTPUT:
3053 RETVAL 3270 RETVAL
3054 3271
… …
3058 CODE: 3275 CODE:
3059{ 3276{
3060 struct coro *current = SvSTATE_current; 3277 struct coro *current = SvSTATE_current;
3061 SV **throwp = self == current ? &CORO_THROW : &self->except; 3278 SV **throwp = self == current ? &CORO_THROW : &self->except;
3062 SvREFCNT_dec (*throwp); 3279 SvREFCNT_dec (*throwp);
3280 SvGETMAGIC (throw);
3063 *throwp = SvOK (throw) ? newSVsv (throw) : 0; 3281 *throwp = SvOK (throw) ? newSVsv (throw) : 0;
3064} 3282}
3065 3283
3066void 3284void
3067api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 3285api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
… …
3119 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; 3337 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
3120 3338
3121 SV *tmp = *src; *src = *dst; *dst = tmp; 3339 SV *tmp = *src; *src = *dst; *dst = tmp;
3122 } 3340 }
3123 3341
3342void
3343cancel (Coro::State self)
3344 CODE:
3345 coro_state_destroy (aTHX_ self);
3346 coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
3347
3348
3349SV *
3350enable_times (int enabled = enable_times)
3351 CODE:
3352{
3353 RETVAL = boolSV (enable_times);
3354
3355 if (enabled != enable_times)
3356 {
3357 enable_times = enabled;
3358
3359 coro_times_update ();
3360 (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current));
3361 }
3362}
3363 OUTPUT:
3364 RETVAL
3365
3366void
3367times (Coro::State self)
3368 PPCODE:
3369{
3370 struct coro *current = SvSTATE (coro_current);
3371
3372 if (expect_false (current == self))
3373 {
3374 coro_times_update ();
3375 coro_times_add (SvSTATE (coro_current));
3376 }
3377
3378 EXTEND (SP, 2);
3379 PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));
3380 PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
3381
3382 if (expect_false (current == self))
3383 coro_times_sub (SvSTATE (coro_current));
3384}
3124 3385
3125MODULE = Coro::State PACKAGE = Coro 3386MODULE = Coro::State PACKAGE = Coro
3126 3387
3127BOOT: 3388BOOT:
3128{ 3389{
3129 int i;
3130
3131 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 3390 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3132 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); 3391 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3133 cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); 3392 cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3134 cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); 3393 cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3135 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); 3394 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3136 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); 3395 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3137 av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); 3396 av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3138 sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); 3397 sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
… …
3143 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); 3402 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3144 cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); 3403 cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
3145 3404
3146 coro_stash = gv_stashpv ("Coro", TRUE); 3405 coro_stash = gv_stashpv ("Coro", TRUE);
3147 3406
3148 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 3407 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3149 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 3408 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3150 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); 3409 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
3151 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); 3410 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
3152 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); 3411 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
3153 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); 3412 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
3154
3155 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
3156 coro_ready[i] = newAV ();
3157 3413
3158 { 3414 {
3159 SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); 3415 SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3160 3416
3161 coroapi.schedule = api_schedule; 3417 coroapi.schedule = api_schedule;
… …
3202cede_notself (...) 3458cede_notself (...)
3203 CODE: 3459 CODE:
3204 CORO_EXECUTE_SLF_XS (slf_init_cede_notself); 3460 CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3205 3461
3206void 3462void
3207_cancel (Coro::State self)
3208 CODE:
3209 coro_state_destroy (aTHX_ self);
3210 coro_call_on_destroy (aTHX_ self);
3211
3212void
3213_set_current (SV *current) 3463_set_current (SV *current)
3214 PROTOTYPE: $ 3464 PROTOTYPE: $
3215 CODE: 3465 CODE:
3216 SvREFCNT_dec (SvRV (coro_current)); 3466 SvREFCNT_dec (SvRV (coro_current));
3217 SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); 3467 SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
… …
3219void 3469void
3220_set_readyhook (SV *hook) 3470_set_readyhook (SV *hook)
3221 PROTOTYPE: $ 3471 PROTOTYPE: $
3222 CODE: 3472 CODE:
3223 SvREFCNT_dec (coro_readyhook); 3473 SvREFCNT_dec (coro_readyhook);
3474 SvGETMAGIC (hook);
3224 coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; 3475 coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
3225 3476
3226int 3477int
3227prio (Coro::State coro, int newprio = 0) 3478prio (Coro::State coro, int newprio = 0)
3228 PROTOTYPE: $;$ 3479 PROTOTYPE: $;$
… …
3235 if (items > 1) 3486 if (items > 1)
3236 { 3487 {
3237 if (ix) 3488 if (ix)
3238 newprio = coro->prio - newprio; 3489 newprio = coro->prio - newprio;
3239 3490
3240 if (newprio < PRIO_MIN) newprio = PRIO_MIN; 3491 if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3241 if (newprio > PRIO_MAX) newprio = PRIO_MAX; 3492 if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3242 3493
3243 coro->prio = newprio; 3494 coro->prio = newprio;
3244 } 3495 }
3245} 3496}
3246 OUTPUT: 3497 OUTPUT:
… …
3259 PROTOTYPE: 3510 PROTOTYPE:
3260 CODE: 3511 CODE:
3261 RETVAL = coro_nready; 3512 RETVAL = coro_nready;
3262 OUTPUT: 3513 OUTPUT:
3263 RETVAL 3514 RETVAL
3515
3516void
3517suspend (Coro::State self)
3518 PROTOTYPE: $
3519 CODE:
3520 self->flags |= CF_SUSPENDED;
3521
3522void
3523resume (Coro::State self)
3524 PROTOTYPE: $
3525 CODE:
3526 self->flags &= ~CF_SUSPENDED;
3264 3527
3265void 3528void
3266_pool_handler (...) 3529_pool_handler (...)
3267 CODE: 3530 CODE:
3268 CORO_EXECUTE_SLF_XS (slf_init_pool_handler); 3531 CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
… …
3323rouse_wait (...) 3586rouse_wait (...)
3324 PROTOTYPE: ;$ 3587 PROTOTYPE: ;$
3325 PPCODE: 3588 PPCODE:
3326 CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); 3589 CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3327 3590
3591void
3592on_enter (SV *block)
3593 ALIAS:
3594 on_leave = 1
3595 PROTOTYPE: &
3596 CODE:
3597{
3598 struct coro *coro = SvSTATE_current;
3599 AV **avp = ix ? &coro->on_leave : &coro->on_enter;
3600
3601 block = (SV *)coro_sv_2cv (aTHX_ block);
3602
3603 if (!*avp)
3604 *avp = newAV ();
3605
3606 av_push (*avp, SvREFCNT_inc (block));
3607
3608 if (!ix)
3609 on_enterleave_call (aTHX_ block);
3610
3611 LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
3612 SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
3613 ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
3614}
3615
3328 3616
3329MODULE = Coro::State PACKAGE = PerlIO::cede 3617MODULE = Coro::State PACKAGE = PerlIO::cede
3330 3618
3331BOOT: 3619BOOT:
3332 PerlIO_define_layer (aTHX_ &PerlIO_cede); 3620 PerlIO_define_layer (aTHX_ &PerlIO_cede);
… …
3335MODULE = Coro::State PACKAGE = Coro::Semaphore 3623MODULE = Coro::State PACKAGE = Coro::Semaphore
3336 3624
3337SV * 3625SV *
3338new (SV *klass, SV *count = 0) 3626new (SV *klass, SV *count = 0)
3339 CODE: 3627 CODE:
3628{
3629 int semcnt = 1;
3630
3631 if (count)
3632 {
3633 SvGETMAGIC (count);
3634
3635 if (SvOK (count))
3636 semcnt = SvIV (count);
3637 }
3638
3340 RETVAL = sv_bless ( 3639 RETVAL = sv_bless (
3341 coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), 3640 coro_waitarray_new (aTHX_ semcnt),
3342 GvSTASH (CvGV (cv)) 3641 GvSTASH (CvGV (cv))
3343 ); 3642 );
3643}
3344 OUTPUT: 3644 OUTPUT:
3345 RETVAL 3645 RETVAL
3346 3646
3347# helper for Coro::Channel 3647# helper for Coro::Channel and others
3348SV * 3648SV *
3349_alloc (int count) 3649_alloc (int count)
3350 CODE: 3650 CODE:
3351 RETVAL = coro_waitarray_new (aTHX_ count); 3651 RETVAL = coro_waitarray_new (aTHX_ count);
3352 OUTPUT: 3652 OUTPUT:
… …
3410 for (i = 1; i <= wcount; ++i) 3710 for (i = 1; i <= wcount; ++i)
3411 PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); 3711 PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3412 } 3712 }
3413} 3713}
3414 3714
3715MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
3716
3717void
3718_may_delete (SV *sem, int count, int extra_refs)
3719 PPCODE:
3720{
3721 AV *av = (AV *)SvRV (sem);
3722
3723 if (SvREFCNT ((SV *)av) == 1 + extra_refs
3724 && AvFILLp (av) == 0 /* no waiters, just count */
3725 && SvIV (AvARRAY (av)[0]) == count)
3726 XSRETURN_YES;
3727
3728 XSRETURN_NO;
3729}
3730
3415MODULE = Coro::State PACKAGE = Coro::Signal 3731MODULE = Coro::State PACKAGE = Coro::Signal
3416 3732
3417SV * 3733SV *
3418new (SV *klass) 3734new (SV *klass)
3419 CODE: 3735 CODE:

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