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Comparing Coro/Coro/State.xs (file contents):
Revision 1.387 by root, Mon Feb 21 13:38:04 2011 UTC vs.
Revision 1.399 by root, Thu May 12 23:24:28 2011 UTC

… …
21 21
22#ifndef SVs_PADSTALE 22#ifndef SVs_PADSTALE
23# define SVs_PADSTALE 0 23# define SVs_PADSTALE 0
24#endif 24#endif
25 25
26#ifdef WIN32 26#if defined(_WIN32)
27# undef HAS_GETTIMEOFDAY
27# undef setjmp 28# undef setjmp
28# undef longjmp 29# undef longjmp
29# undef _exit 30# undef _exit
30# define setjmp _setjmp /* deep magic */ 31# define setjmp _setjmp /* deep magic */
31#else 32#else
… …
125static void (*u2time)(pTHX_ UV ret[2]); 126static void (*u2time)(pTHX_ UV ret[2]);
126 127
127/* we hijack an hopefully unused CV flag for our purposes */ 128/* we hijack an hopefully unused CV flag for our purposes */
128#define CVf_SLF 0x4000 129#define CVf_SLF 0x4000
129static OP *pp_slf (pTHX); 130static OP *pp_slf (pTHX);
131static void slf_destroy (pTHX_ struct coro *coro);
130 132
131static U32 cctx_gen; 133static U32 cctx_gen;
132static size_t cctx_stacksize = CORO_STACKSIZE; 134static size_t cctx_stacksize = CORO_STACKSIZE;
133static struct CoroAPI coroapi; 135static struct CoroAPI coroapi;
134static AV *main_mainstack; /* used to differentiate between $main and others */ 136static AV *main_mainstack; /* used to differentiate between $main and others */
… …
164static char times_valid; 166static char times_valid;
165 167
166static struct coro_cctx *cctx_first; 168static struct coro_cctx *cctx_first;
167static int cctx_count, cctx_idle; 169static int cctx_count, cctx_idle;
168 170
169enum { 171enum
172{
170 CC_MAPPED = 0x01, 173 CC_MAPPED = 0x01,
171 CC_NOREUSE = 0x02, /* throw this away after tracing */ 174 CC_NOREUSE = 0x02, /* throw this away after tracing */
172 CC_TRACE = 0x04, 175 CC_TRACE = 0x04,
173 CC_TRACE_SUB = 0x08, /* trace sub calls */ 176 CC_TRACE_SUB = 0x08, /* trace sub calls */
174 CC_TRACE_LINE = 0x10, /* trace each statement */ 177 CC_TRACE_LINE = 0x10, /* trace each statement */
… …
195 int valgrind_id; 198 int valgrind_id;
196#endif 199#endif
197 unsigned char flags; 200 unsigned char flags;
198} coro_cctx; 201} coro_cctx;
199 202
200coro_cctx *cctx_current; /* the currently running cctx */ 203static coro_cctx *cctx_current; /* the currently running cctx */
201 204
202/*****************************************************************************/ 205/*****************************************************************************/
203 206
207static MGVTBL coro_state_vtbl;
208
204enum { 209enum
210{
205 CF_RUNNING = 0x0001, /* coroutine is running */ 211 CF_RUNNING = 0x0001, /* coroutine is running */
206 CF_READY = 0x0002, /* coroutine is ready */ 212 CF_READY = 0x0002, /* coroutine is ready */
207 CF_NEW = 0x0004, /* has never been switched to */ 213 CF_NEW = 0x0004, /* has never been switched to */
208 CF_DESTROYED = 0x0008, /* coroutine data has been freed */ 214 CF_DESTROYED = 0x0008, /* coroutine data has been freed */
209 CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ 215 CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
216 CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */
210}; 217};
211 218
212/* the structure where most of the perl state is stored, overlaid on the cxstack */ 219/* the structure where most of the perl state is stored, overlaid on the cxstack */
213typedef struct 220typedef struct
214{ 221{
… …
220#define VAR(name,type) type name; 227#define VAR(name,type) type name;
221# include "state.h" 228# include "state.h"
222#undef VAR 229#undef VAR
223} perl_slots; 230} perl_slots;
224 231
232// how many context stack entries do we need for perl_slots
225#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) 233#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
226 234
227/* this is a structure representing a perl-level coroutine */ 235/* this is a structure representing a perl-level coroutine */
228struct coro { 236struct coro
237{
229 /* the C coroutine allocated to this perl coroutine, if any */ 238 /* the C coroutine allocated to this perl coroutine, if any */
230 coro_cctx *cctx; 239 coro_cctx *cctx;
231 240
232 /* ready queue */ 241 /* ready queue */
233 struct coro *next_ready; 242 struct coro *next_ready;
… …
235 /* state data */ 244 /* state data */
236 struct CoroSLF slf_frame; /* saved slf frame */ 245 struct CoroSLF slf_frame; /* saved slf frame */
237 AV *mainstack; 246 AV *mainstack;
238 perl_slots *slot; /* basically the saved sp */ 247 perl_slots *slot; /* basically the saved sp */
239 248
240 CV *startcv; /* the CV to execute */ 249 CV *startcv; /* the CV to execute */
241 AV *args; /* data associated with this coroutine (initial args) */ 250 AV *args; /* data associated with this coroutine (initial args) */
242 int refcnt; /* coroutines are refcounted, yes */
243 int flags; /* CF_ flags */ 251 int flags; /* CF_ flags */
244 HV *hv; /* the perl hash associated with this coro, if any */ 252 HV *hv; /* the perl hash associated with this coro, if any */
245 void (*on_destroy)(pTHX_ struct coro *coro); /* for temporary use by xs in critical sections */
246 253
247 /* statistics */ 254 /* statistics */
248 int usecount; /* number of transfers to this coro */ 255 int usecount; /* number of transfers to this coro */
249 256
250 /* coro process data */ 257 /* coro process data */
251 int prio; 258 int prio;
252 SV *except; /* exception to be thrown */ 259 SV *except; /* exception to be thrown */
253 SV *rouse_cb; 260 SV *rouse_cb; /* last rouse callback */
261 AV *on_destroy; /* callbacks or coros to notify on destroy */
262 AV *status; /* the exit status list */
254 263
255 /* async_pool */ 264 /* async_pool */
256 SV *saved_deffh; 265 SV *saved_deffh;
257 SV *invoke_cb; 266 SV *invoke_cb;
258 AV *invoke_av; 267 AV *invoke_av;
… …
274typedef struct coro *Coro__State; 283typedef struct coro *Coro__State;
275typedef struct coro *Coro__State_or_hashref; 284typedef struct coro *Coro__State_or_hashref;
276 285
277/* the following variables are effectively part of the perl context */ 286/* the following variables are effectively part of the perl context */
278/* and get copied between struct coro and these variables */ 287/* and get copied between struct coro and these variables */
279/* the mainr easonw e don't support windows process emulation */ 288/* the main reason we don't support windows process emulation */
280static struct CoroSLF slf_frame; /* the current slf frame */ 289static struct CoroSLF slf_frame; /* the current slf frame */
281 290
282/** Coro ********************************************************************/ 291/** Coro ********************************************************************/
283 292
284#define CORO_PRIO_MAX 3 293#define CORO_PRIO_MAX 3
… …
290 299
291/* for Coro.pm */ 300/* for Coro.pm */
292static SV *coro_current; 301static SV *coro_current;
293static SV *coro_readyhook; 302static SV *coro_readyhook;
294static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ 303static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */
295static CV *cv_coro_run, *cv_coro_terminate; 304static CV *cv_coro_run;
296static struct coro *coro_first; 305static struct coro *coro_first;
297#define coro_nready coroapi.nready 306#define coro_nready coroapi.nready
298 307
299/** Coro::Select ************************************************************/ 308/** Coro::Select ************************************************************/
300 309
… …
338 347
339 return tv.tv_sec + tv.tv_usec * 1e-6; 348 return tv.tv_sec + tv.tv_usec * 1e-6;
340} 349}
341 350
342static void 351static void
343time_init (void) 352time_init (pTHX)
344{ 353{
345 nvtime = coro_nvtime; 354 nvtime = coro_nvtime;
346 u2time = coro_u2time; 355 u2time = coro_u2time;
347} 356}
348 357
349#else 358#else
350 359
351static void 360static void
352time_init (void) 361time_init (pTHX)
353{ 362{
354 SV **svp; 363 SV **svp;
355 364
356 require_pv ("Time::HiRes"); 365 require_pv ("Time/HiRes.pm");
357 366
358 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); 367 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
359 368
360 if (!svp) croak ("Time::HiRes is required"); 369 if (!svp) croak ("Time::HiRes is required, but missing. Caught");
361 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); 370 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught");
362 371
363 nvtime = INT2PTR (double (*)(), SvIV (*svp)); 372 nvtime = INT2PTR (double (*)(), SvIV (*svp));
364 373
365 svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); 374 svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
366 u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); 375 u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp));
… …
464 : 0) 473 : 0)
465 474
466#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) 475#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
467#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) 476#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
468 477
478INLINE MAGIC *
479SvSTATEhv_p (pTHX_ SV *coro)
480{
481 MAGIC *mg;
482
483 if (expect_true (
484 SvTYPE (coro) == SVt_PVHV
485 && (mg = CORO_MAGIC_state (coro))
486 && mg->mg_virtual == &coro_state_vtbl
487 ))
488 return mg;
489
490 return 0;
491}
492
469INLINE struct coro * 493INLINE struct coro *
470SvSTATE_ (pTHX_ SV *coro) 494SvSTATE_ (pTHX_ SV *coro)
471{ 495{
472 HV *stash;
473 MAGIC *mg; 496 MAGIC *mg;
474 497
475 if (SvROK (coro)) 498 if (SvROK (coro))
476 coro = SvRV (coro); 499 coro = SvRV (coro);
477 500
478 if (expect_false (SvTYPE (coro) != SVt_PVHV)) 501 mg = SvSTATEhv_p (coro);
502 if (!mg)
479 croak ("Coro::State object required"); 503 croak ("Coro::State object required");
480 504
481 stash = SvSTASH (coro);
482 if (expect_false (stash != coro_stash && stash != coro_state_stash))
483 {
484 /* very slow, but rare, check */
485 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
486 croak ("Coro::State object required");
487 }
488
489 mg = CORO_MAGIC_state (coro);
490 return (struct coro *)mg->mg_ptr; 505 return (struct coro *)mg->mg_ptr;
491} 506}
492 507
493#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) 508#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
494 509
… …
796 811
797 PUTBACK; 812 PUTBACK;
798 } 813 }
799 814
800 /* allocate some space on the context stack for our purposes */ 815 /* allocate some space on the context stack for our purposes */
801 /* we manually unroll here, as usually 2 slots is enough */ 816 if (expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max))
802 if (SLOT_COUNT >= 1) CXINC;
803 if (SLOT_COUNT >= 2) CXINC;
804 if (SLOT_COUNT >= 3) CXINC;
805 { 817 {
806 unsigned int i; 818 unsigned int i;
819
807 for (i = 3; i < SLOT_COUNT; ++i) 820 for (i = 0; i < SLOT_COUNT; ++i)
808 CXINC; 821 CXINC;
809 } 822
810 cxstack_ix -= SLOT_COUNT; /* undo allocation */ 823 cxstack_ix -= SLOT_COUNT; /* undo allocation */
824 }
811 825
812 c->mainstack = PL_mainstack; 826 c->mainstack = PL_mainstack;
813 827
814 { 828 {
815 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); 829 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
… …
836# define coro_init_stacks(thx) init_stacks () 850# define coro_init_stacks(thx) init_stacks ()
837#else 851#else
838static void 852static void
839coro_init_stacks (pTHX) 853coro_init_stacks (pTHX)
840{ 854{
841 PL_curstackinfo = new_stackinfo(32, 8); 855 PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */
842 PL_curstackinfo->si_type = PERLSI_MAIN; 856 PL_curstackinfo->si_type = PERLSI_MAIN;
843 PL_curstack = PL_curstackinfo->si_stack; 857 PL_curstack = PL_curstackinfo->si_stack;
844 PL_mainstack = PL_curstack; /* remember in case we switch stacks */ 858 PL_mainstack = PL_curstack; /* remember in case we switch stacks */
845 859
846 PL_stack_base = AvARRAY(PL_curstack); 860 PL_stack_base = AvARRAY(PL_curstack);
… …
1104 /* this newly created coroutine might be run on an existing cctx which most 1118 /* this newly created coroutine might be run on an existing cctx which most
1105 * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. 1119 * likely was suspended in pp_slf, so we have to emulate entering pp_slf here.
1106 */ 1120 */
1107 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ 1121 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
1108 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ 1122 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
1123 slf_frame.destroy = 0;
1109 1124
1110 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ 1125 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
1111 init_perl_op.op_next = PL_op; 1126 init_perl_op.op_next = PL_op;
1112 init_perl_op.op_type = OP_ENTERSUB; 1127 init_perl_op.op_type = OP_ENTERSUB;
1113 init_perl_op.op_ppaddr = pp_slf; 1128 init_perl_op.op_ppaddr = pp_slf;
… …
1152destroy_perl (pTHX_ struct coro *coro) 1167destroy_perl (pTHX_ struct coro *coro)
1153{ 1168{
1154 SV *svf [9]; 1169 SV *svf [9];
1155 1170
1156 { 1171 {
1172 SV *old_current = SvRV (coro_current);
1157 struct coro *current = SvSTATE_current; 1173 struct coro *current = SvSTATE (old_current);
1158 1174
1159 assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); 1175 assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1160 1176
1161 save_perl (aTHX_ current); 1177 save_perl (aTHX_ current);
1178
1179 /* this will cause transfer_check to croak on block*/
1180 SvRV_set (coro_current, (SV *)coro->hv);
1181
1162 load_perl (aTHX_ coro); 1182 load_perl (aTHX_ coro);
1163 1183
1164 coro_unwind_stacks (aTHX); 1184 coro_unwind_stacks (aTHX);
1165 coro_destruct_stacks (aTHX);
1166 1185
1167 /* restore swapped sv's */ 1186 /* restore swapped sv's */
1168 SWAP_SVS (coro); 1187 SWAP_SVS (coro);
1188
1189 coro_destruct_stacks (aTHX);
1169 1190
1170 // now save some sv's to be free'd later 1191 // now save some sv's to be free'd later
1171 svf [0] = GvSV (PL_defgv); 1192 svf [0] = GvSV (PL_defgv);
1172 svf [1] = (SV *)GvAV (PL_defgv); 1193 svf [1] = (SV *)GvAV (PL_defgv);
1173 svf [2] = GvSV (PL_errgv); 1194 svf [2] = GvSV (PL_errgv);
… …
1177 svf [6] = (SV *)GvHV (PL_hintgv); 1198 svf [6] = (SV *)GvHV (PL_hintgv);
1178 svf [7] = PL_diehook; 1199 svf [7] = PL_diehook;
1179 svf [8] = PL_warnhook; 1200 svf [8] = PL_warnhook;
1180 assert (9 == sizeof (svf) / sizeof (*svf)); 1201 assert (9 == sizeof (svf) / sizeof (*svf));
1181 1202
1203 SvRV_set (coro_current, old_current);
1204
1182 load_perl (aTHX_ current); 1205 load_perl (aTHX_ current);
1183 } 1206 }
1184 1207
1185 { 1208 {
1186 unsigned int i; 1209 unsigned int i;
… …
1198INLINE void 1221INLINE void
1199free_coro_mortal (pTHX) 1222free_coro_mortal (pTHX)
1200{ 1223{
1201 if (expect_true (coro_mortal)) 1224 if (expect_true (coro_mortal))
1202 { 1225 {
1203 SvREFCNT_dec (coro_mortal); 1226 SvREFCNT_dec ((SV *)coro_mortal);
1204 coro_mortal = 0; 1227 coro_mortal = 0;
1205 } 1228 }
1206} 1229}
1207 1230
1208static int 1231static int
… …
1495cctx_destroy (coro_cctx *cctx) 1518cctx_destroy (coro_cctx *cctx)
1496{ 1519{
1497 if (!cctx) 1520 if (!cctx)
1498 return; 1521 return;
1499 1522
1500 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? 1523 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));
1501 1524
1502 --cctx_count; 1525 --cctx_count;
1503 coro_destroy (&cctx->cctx); 1526 coro_destroy (&cctx->cctx);
1504 1527
1505 /* coro_transfer creates new, empty cctx's */ 1528 /* coro_transfer creates new, empty cctx's */
… …
1664#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) 1687#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1665#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) 1688#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1666 1689
1667/** high level stuff ********************************************************/ 1690/** high level stuff ********************************************************/
1668 1691
1692/* this function is actually Coro, not Coro::State, but we call it from here */
1693/* because it is convenient - but it hasn't been declared yet for that reason */
1669static int 1694static void
1695coro_call_on_destroy (pTHX_ struct coro *coro);
1696
1697static void
1670coro_state_destroy (pTHX_ struct coro *coro) 1698coro_state_destroy (pTHX_ struct coro *coro)
1671{ 1699{
1672 if (coro->flags & CF_DESTROYED) 1700 if (coro->flags & CF_DESTROYED)
1673 return 0; 1701 return;
1674 1702
1675 if (coro->on_destroy && !PL_dirty)
1676 coro->on_destroy (aTHX_ coro); 1703 slf_destroy (aTHX_ coro);
1677 1704
1678 coro->flags |= CF_DESTROYED; 1705 coro->flags |= CF_DESTROYED;
1679 1706
1680 if (coro->flags & CF_READY) 1707 if (coro->flags & CF_READY)
1681 { 1708 {
… …
1683 /* alternative: look through all ready queues and remove the coro */ 1710 /* alternative: look through all ready queues and remove the coro */
1684 --coro_nready; 1711 --coro_nready;
1685 } 1712 }
1686 else 1713 else
1687 coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ 1714 coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */
1715
1716 if (coro->next) coro->next->prev = coro->prev;
1717 if (coro->prev) coro->prev->next = coro->next;
1718 if (coro == coro_first) coro_first = coro->next;
1688 1719
1689 if (coro->mainstack 1720 if (coro->mainstack
1690 && coro->mainstack != main_mainstack 1721 && coro->mainstack != main_mainstack
1691 && coro->slot 1722 && coro->slot
1692 && !PL_dirty) 1723 && !PL_dirty)
1693 destroy_perl (aTHX_ coro); 1724 destroy_perl (aTHX_ coro);
1694 1725
1695 if (coro->next) coro->next->prev = coro->prev;
1696 if (coro->prev) coro->prev->next = coro->next;
1697 if (coro == coro_first) coro_first = coro->next;
1698
1699 cctx_destroy (coro->cctx); 1726 cctx_destroy (coro->cctx);
1700 SvREFCNT_dec (coro->startcv); 1727 SvREFCNT_dec (coro->startcv);
1701 SvREFCNT_dec (coro->args); 1728 SvREFCNT_dec (coro->args);
1702 SvREFCNT_dec (coro->swap_sv); 1729 SvREFCNT_dec (coro->swap_sv);
1703 SvREFCNT_dec (CORO_THROW); 1730 SvREFCNT_dec (CORO_THROW);
1704 1731
1705 return 1; 1732 coro_call_on_destroy (coro);
1733
1734 /* more destruction mayhem in coro_state_free */
1706} 1735}
1707 1736
1708static int 1737static int
1709coro_state_free (pTHX_ SV *sv, MAGIC *mg) 1738coro_state_free (pTHX_ SV *sv, MAGIC *mg)
1710{ 1739{
1711 struct coro *coro = (struct coro *)mg->mg_ptr; 1740 struct coro *coro = (struct coro *)mg->mg_ptr;
1712 mg->mg_ptr = 0; 1741 mg->mg_ptr = 0;
1713 1742
1714 coro->hv = 0;
1715
1716 if (--coro->refcnt < 0)
1717 {
1718 coro_state_destroy (aTHX_ coro); 1743 coro_state_destroy (coro);
1744 SvREFCNT_dec (coro->on_destroy);
1745 SvREFCNT_dec (coro->status);
1746
1719 Safefree (coro); 1747 Safefree (coro);
1720 }
1721 1748
1722 return 0; 1749 return 0;
1723} 1750}
1724 1751
1725static int 1752static int
1726coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) 1753coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params)
1727{ 1754{
1728 struct coro *coro = (struct coro *)mg->mg_ptr; 1755 /* called when perl clones the current process the slow way (windows process emulation) */
1729 1756 /* WE SIMply nuke the pointers in the copy, causing perl to croak */
1730 ++coro->refcnt; 1757 mg->mg_ptr = 0;
1758 mg->mg_virtual = 0;
1731 1759
1732 return 0; 1760 return 0;
1733} 1761}
1734 1762
1735static MGVTBL coro_state_vtbl = { 1763static MGVTBL coro_state_vtbl = {
… …
2004 coro->slot->runops = RUNOPS_DEFAULT; 2032 coro->slot->runops = RUNOPS_DEFAULT;
2005 } 2033 }
2006} 2034}
2007 2035
2008static void 2036static void
2037coro_push_av (pTHX_ AV *av, I32 gimme_v)
2038{
2039 if (AvFILLp (av) >= 0 && gimme_v != G_VOID)
2040 {
2041 dSP;
2042
2043 if (gimme_v == G_SCALAR)
2044 XPUSHs (AvARRAY (av)[AvFILLp (av)]);
2045 else
2046 {
2047 int i;
2048 EXTEND (SP, AvFILLp (av) + 1);
2049
2050 for (i = 0; i <= AvFILLp (av); ++i)
2051 PUSHs (AvARRAY (av)[i]);
2052 }
2053
2054 PUTBACK;
2055 }
2056}
2057
2058static void
2059coro_push_on_destroy (aTHX_ struct coro *coro, SV *cb)
2060{
2061 if (!coro->on_destroy)
2062 coro->on_destroy = newAV ();
2063
2064 av_push (coro->on_destroy, cb);
2065}
2066
2067static void
2068slf_destroy_join (pTHX_ struct CoroSLF *frame)
2069{
2070 SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv);
2071}
2072
2073static int
2074slf_check_join (pTHX_ struct CoroSLF *frame)
2075{
2076 struct coro *coro = (struct coro *)frame->data;
2077
2078 if (!coro->status)
2079 return 1;
2080
2081 frame->destroy = 0;
2082
2083 coro_push_av (coro->status, GIMME_V);
2084
2085 SvREFCNT_dec ((SV *)coro->hv);
2086
2087 return 0;
2088}
2089
2090static void
2091slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2092{
2093 struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef);
2094
2095 if (items > 1)
2096 croak ("join called with too many arguments");
2097
2098 if (coro->status)
2099 frame->prepare = prepare_nop;
2100 else
2101 {
2102 coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current)));
2103 frame->prepare = prepare_schedule;
2104 }
2105
2106 frame->check = slf_check_join;
2107 frame->destroy = slf_destroy_join;
2108 frame->data = (void *)coro;
2109 SvREFCNT_inc (coro->hv);
2110}
2111
2112static void
2009coro_call_on_destroy (pTHX_ struct coro *coro) 2113coro_call_on_destroy (pTHX_ struct coro *coro)
2010{ 2114{
2011 SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); 2115 AV *od = coro->on_destroy;
2012 SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
2013 2116
2014 if (on_destroyp) 2117 if (!od)
2015 { 2118 return;
2016 AV *on_destroy = (AV *)SvRV (*on_destroyp);
2017 2119
2018 while (AvFILLp (on_destroy) >= 0) 2120 while (AvFILLp (od) >= 0)
2121 {
2122 SV *cb = sv_2mortal (av_pop (od));
2123
2124 /* coro hv's (and only hv's at the moment) are supported as well */
2125 if (SvSTATEhv_p (aTHX_ cb))
2126 api_ready (aTHX_ cb);
2127 else
2019 { 2128 {
2020 dSP; /* don't disturb outer sp */ 2129 dSP; /* don't disturb outer sp */
2021 SV *cb = av_pop (on_destroy);
2022
2023 PUSHMARK (SP); 2130 PUSHMARK (SP);
2024 2131
2025 if (statusp) 2132 if (coro->status)
2026 { 2133 {
2027 int i; 2134 PUTBACK;
2028 AV *status = (AV *)SvRV (*statusp); 2135 coro_push_av (aTHX_ coro->status, G_ARRAY);
2029 EXTEND (SP, AvFILLp (status) + 1); 2136 SPAGAIN;
2030
2031 for (i = 0; i <= AvFILLp (status); ++i)
2032 PUSHs (AvARRAY (status)[i]);
2033 } 2137 }
2034 2138
2035 PUTBACK; 2139 PUTBACK;
2036 call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); 2140 call_sv (sv_2mortal (cb), G_VOID | G_DISCARD);
2037 } 2141 }
2038 } 2142 }
2039} 2143}
2040 2144
2041static void 2145static void
2042slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2146coro_set_status (pTHX_ struct coro *coro, SV **arg, int items)
2043{ 2147{
2044 int i; 2148 AV *av;
2045 HV *hv = (HV *)SvRV (coro_current); 2149
2046 AV *av = newAV (); 2150 if (coro->status)
2151 {
2152 av = coro->status;
2153 av_clear (av);
2154 }
2155 else
2156 av = coro->status = newAV ();
2047 2157
2048 /* items are actually not so common, so optimise for this case */ 2158 /* items are actually not so common, so optimise for this case */
2049 if (items) 2159 if (items)
2050 { 2160 {
2161 int i;
2162
2051 av_extend (av, items - 1); 2163 av_extend (av, items - 1);
2052 2164
2053 for (i = 0; i < items; ++i) 2165 for (i = 0; i < items; ++i)
2054 av_push (av, SvREFCNT_inc_NN (arg [i])); 2166 av_push (av, SvREFCNT_inc_NN (arg [i]));
2055 } 2167 }
2168}
2056 2169
2057 hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); 2170static void
2058 2171slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv)
2172{
2059 av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ 2173 av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */
2060 api_ready (aTHX_ sv_manager); 2174 api_ready (aTHX_ sv_manager);
2061 2175
2062 frame->prepare = prepare_schedule; 2176 frame->prepare = prepare_schedule;
2063 frame->check = slf_check_repeat; 2177 frame->check = slf_check_repeat;
2064 2178
2065 /* as a minor optimisation, we could unwind all stacks here */ 2179 /* as a minor optimisation, we could unwind all stacks here */
2066 /* but that puts extra pressure on pp_slf, and is not worth much */ 2180 /* but that puts extra pressure on pp_slf, and is not worth much */
2067 /*coro_unwind_stacks (aTHX);*/ 2181 /*coro_unwind_stacks (aTHX);*/
2182}
2183
2184static void
2185slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2186{
2187 HV *coro_hv = (HV *)SvRV (coro_current);
2188
2189 coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items);
2190 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2191}
2192
2193static void
2194slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2195{
2196 HV *coro_hv;
2197 struct coro *coro;
2198
2199 if (items <= 0)
2200 croak ("Coro::cancel called without coro object,");
2201
2202 coro = SvSTATE (arg [0]);
2203 coro_hv = coro->hv;
2204
2205 coro_set_status (aTHX_ coro, arg + 1, items - 1);
2206
2207 if (expect_false (coro->flags & CF_NOCANCEL))
2208 {
2209 /* coro currently busy cancelling something, so just notify it */
2210 coro->slf_frame.data = (void *)coro;
2211
2212 frame->prepare = prepare_nop;
2213 frame->check = slf_check_nop;
2214 }
2215 else if (coro_hv == (HV *)SvRV (coro_current))
2216 {
2217 /* cancelling the current coro is allowed, and equals terminate */
2218 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2219 }
2220 else
2221 {
2222 struct coro *self = SvSTATE_current;
2223
2224 /* otherwise we cancel directly, purely for speed reasons
2225 * unfortunately, this requires some magic trickery, as
2226 * somebody else could cancel us, so we have to fight the cancellation.
2227 * this is ugly, and hopefully fully worth the extra speed.
2228 * besides, I can't get the slow-but-safe version working...
2229 */
2230 slf_frame.data = 0;
2231 self->flags |= CF_NOCANCEL;
2232 coro_state_destroy (aTHX_ coro);
2233 self->flags &= ~CF_NOCANCEL;
2234
2235 if (slf_frame.data)
2236 {
2237 /* while we were busy we have been cancelled, so terminate */
2238 slf_init_terminate_cancel_common (aTHX_ frame, self->hv);
2239 }
2240 else
2241 {
2242 frame->prepare = prepare_nop;
2243 frame->check = slf_check_nop;
2244 }
2245 }
2246}
2247
2248static int
2249slf_check_safe_cancel (pTHX_ struct CoroSLF *frame)
2250{
2251 frame->prepare = 0;
2252 coro_unwind_stacks (aTHX);
2253
2254 slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current));
2255
2256 return 1;
2257}
2258
2259static int
2260safe_cancel (pTHX_ struct coro *coro, SV **arg, int items)
2261{
2262 if (coro->cctx)
2263 croak ("coro inside C callback, unable to cancel at this time, caught");
2264
2265 if (coro->flags & CF_NEW)
2266 {
2267 coro_set_status (aTHX_ coro, arg, items);
2268 coro_state_destroy (aTHX_ coro);
2269 }
2270 else
2271 {
2272 if (!coro->slf_frame.prepare)
2273 croak ("coro outside an SLF function, unable to cancel at this time, caught");
2274
2275 slf_destroy (aTHX_ coro);
2276
2277 coro_set_status (aTHX_ coro, arg, items);
2278 coro->slf_frame.prepare = prepare_nop;
2279 coro->slf_frame.check = slf_check_safe_cancel;
2280
2281 api_ready (aTHX_ (SV *)coro->hv);
2282 }
2283
2284 return 1;
2068} 2285}
2069 2286
2070/*****************************************************************************/ 2287/*****************************************************************************/
2071/* async pool handler */ 2288/* async pool handler */
2072 2289
… …
2112 coro->saved_deffh = 0; 2329 coro->saved_deffh = 0;
2113 2330
2114 if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) 2331 if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2115 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 2332 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2116 { 2333 {
2117 coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); 2334 slf_init_terminate_cancel_common (aTHX_ frame, hv);
2118 coro->invoke_av = newAV (); 2335 return;
2119
2120 frame->prepare = prepare_nop;
2121 } 2336 }
2122 else 2337 else
2123 { 2338 {
2124 av_clear (GvAV (PL_defgv)); 2339 av_clear (GvAV (PL_defgv));
2125 hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); 2340 hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
… …
2348static void 2563static void
2349slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2564slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2350{ 2565{
2351 frame->prepare = prepare_cede_notself; 2566 frame->prepare = prepare_cede_notself;
2352 frame->check = slf_check_nop; 2567 frame->check = slf_check_nop;
2568}
2569
2570/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2571static void
2572slf_destroy (pTHX_ struct coro *coro)
2573{
2574 /* this callback is reserved for slf functions needing to do cleanup */
2575 if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty)
2576 coro->slf_frame.destroy (aTHX_ &coro->slf_frame);
2577
2578 /*
2579 * The on_destroy above most likely is from an SLF call.
2580 * Since by definition the SLF call will not finish when we destroy
2581 * the coro, we will have to force-finish it here, otherwise
2582 * cleanup functions cannot call SLF functions.
2583 */
2584 coro->slf_frame.prepare = 0;
2353} 2585}
2354 2586
2355/* 2587/*
2356 * these not obviously related functions are all rolled into one 2588 * these not obviously related functions are all rolled into one
2357 * function to increase chances that they all will call transfer with the same 2589 * function to increase chances that they all will call transfer with the same
… …
2426 croak (0); 2658 croak (0);
2427 } 2659 }
2428 2660
2429 /* return value handling - mostly like entersub */ 2661 /* return value handling - mostly like entersub */
2430 /* make sure we put something on the stack in scalar context */ 2662 /* make sure we put something on the stack in scalar context */
2431 if (GIMME_V == G_SCALAR) 2663 if (GIMME_V == G_SCALAR
2664 && expect_false (PL_stack_sp != PL_stack_base + checkmark + 1))
2432 { 2665 {
2433 dSP; 2666 dSP;
2434 SV **bot = PL_stack_base + checkmark; 2667 SV **bot = PL_stack_base + checkmark;
2435 2668
2436 if (sp == bot) /* too few, push undef */ 2669 if (sp == bot) /* too few, push undef */
2437 bot [1] = &PL_sv_undef; 2670 bot [1] = &PL_sv_undef;
2438 else if (sp != bot + 1) /* too many, take last one */ 2671 else /* too many, take last one */
2439 bot [1] = *sp; 2672 bot [1] = *sp;
2440 2673
2441 SP = bot + 1; 2674 SP = bot + 1;
2442 2675
2443 PUTBACK; 2676 PUTBACK;
… …
2683 SvREFCNT_dec (cb); 2916 SvREFCNT_dec (cb);
2684 } 2917 }
2685} 2918}
2686 2919
2687static void 2920static void
2688coro_semaphore_on_destroy (pTHX_ struct coro *coro) 2921coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)
2689{ 2922{
2690 /* call $sem->adjust (0) to possibly wake up some other waiters */ 2923 /* call $sem->adjust (0) to possibly wake up some other waiters */
2691 coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); 2924 coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0);
2692} 2925}
2693 2926
2694static int 2927static int
2695slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) 2928slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire)
2696{ 2929{
2697 AV *av = (AV *)frame->data; 2930 AV *av = (AV *)frame->data;
2698 SV *count_sv = AvARRAY (av)[0]; 2931 SV *count_sv = AvARRAY (av)[0];
2932 SV *coro_hv = SvRV (coro_current);
2699 2933
2700 /* if we are about to throw, don't actually acquire the lock, just throw */ 2934 /* if we are about to throw, don't actually acquire the lock, just throw */
2701 if (CORO_THROW) 2935 if (CORO_THROW)
2702 return 0; 2936 return 0;
2703 else if (SvIVX (count_sv) > 0) 2937 else if (SvIVX (count_sv) > 0)
2704 { 2938 {
2705 SvSTATE_current->on_destroy = 0; 2939 frame->destroy = 0;
2706 2940
2707 if (acquire) 2941 if (acquire)
2708 SvIVX (count_sv) = SvIVX (count_sv) - 1; 2942 SvIVX (count_sv) = SvIVX (count_sv) - 1;
2709 else 2943 else
2710 coro_semaphore_adjust (aTHX_ av, 0); 2944 coro_semaphore_adjust (aTHX_ av, 0);
… …
2715 { 2949 {
2716 int i; 2950 int i;
2717 /* if we were woken up but can't down, we look through the whole */ 2951 /* if we were woken up but can't down, we look through the whole */
2718 /* waiters list and only add us if we aren't in there already */ 2952 /* waiters list and only add us if we aren't in there already */
2719 /* this avoids some degenerate memory usage cases */ 2953 /* this avoids some degenerate memory usage cases */
2720 2954 for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug
2721 for (i = 1; i <= AvFILLp (av); ++i)
2722 if (AvARRAY (av)[i] == SvRV (coro_current)) 2955 if (AvARRAY (av)[i] == coro_hv)
2723 return 1; 2956 return 1;
2724 2957
2725 av_push (av, SvREFCNT_inc (SvRV (coro_current))); 2958 av_push (av, SvREFCNT_inc (coro_hv));
2726 return 1; 2959 return 1;
2727 } 2960 }
2728} 2961}
2729 2962
2730static int 2963static int
… …
2753 { 2986 {
2754 av_push (av, SvREFCNT_inc (SvRV (coro_current))); 2987 av_push (av, SvREFCNT_inc (SvRV (coro_current)));
2755 2988
2756 frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); 2989 frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av));
2757 frame->prepare = prepare_schedule; 2990 frame->prepare = prepare_schedule;
2758
2759 /* to avoid race conditions when a woken-up coro gets terminated */ 2991 /* to avoid race conditions when a woken-up coro gets terminated */
2760 /* we arrange for a temporary on_destroy that calls adjust (0) */ 2992 /* we arrange for a temporary on_destroy that calls adjust (0) */
2761 SvSTATE_current->on_destroy = coro_semaphore_on_destroy; 2993 frame->destroy = coro_semaphore_destroy;
2762 } 2994 }
2763} 2995}
2764 2996
2765static void 2997static void
2766slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2998slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
… …
3161 coroapi.prepare_nop = prepare_nop; 3393 coroapi.prepare_nop = prepare_nop;
3162 coroapi.prepare_schedule = prepare_schedule; 3394 coroapi.prepare_schedule = prepare_schedule;
3163 coroapi.prepare_cede = prepare_cede; 3395 coroapi.prepare_cede = prepare_cede;
3164 coroapi.prepare_cede_notself = prepare_cede_notself; 3396 coroapi.prepare_cede_notself = prepare_cede_notself;
3165 3397
3166 time_init (); 3398 time_init (aTHX);
3167 3399
3168 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); 3400 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
3169} 3401}
3170 3402
3171SV * 3403SV *
… …
3180void 3412void
3181transfer (...) 3413transfer (...)
3182 PROTOTYPE: $$ 3414 PROTOTYPE: $$
3183 CODE: 3415 CODE:
3184 CORO_EXECUTE_SLF_XS (slf_init_transfer); 3416 CORO_EXECUTE_SLF_XS (slf_init_transfer);
3185
3186bool
3187_destroy (SV *coro_sv)
3188 CODE:
3189 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
3190 OUTPUT:
3191 RETVAL
3192 3417
3193void 3418void
3194_exit (int code) 3419_exit (int code)
3195 PROTOTYPE: $ 3420 PROTOTYPE: $
3196 CODE: 3421 CODE:
… …
3272 CODE: 3497 CODE:
3273{ 3498{
3274 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) 3499 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
3275 { 3500 {
3276 struct coro *current = SvSTATE_current; 3501 struct coro *current = SvSTATE_current;
3502 struct CoroSLF slf_save;
3277 3503
3278 if (current != coro) 3504 if (current != coro)
3279 { 3505 {
3280 PUTBACK; 3506 PUTBACK;
3281 save_perl (aTHX_ current); 3507 save_perl (aTHX_ current);
3282 load_perl (aTHX_ coro); 3508 load_perl (aTHX_ coro);
3509 /* the coro is most likely in an active SLF call.
3510 * while not strictly required (the code we execute is
3511 * not allowed to call any SLF functions), it's cleaner
3512 * to reinitialise the slf_frame and restore it later.
3513 * This might one day allow us to actually do SLF calls
3514 * from code executed here.
3515 */
3516 slf_save = slf_frame;
3517 slf_frame.prepare = 0;
3283 SPAGAIN; 3518 SPAGAIN;
3284 } 3519 }
3285 3520
3286 PUSHSTACK; 3521 PUSHSTACK;
3287 3522
… …
3297 SPAGAIN; 3532 SPAGAIN;
3298 3533
3299 if (current != coro) 3534 if (current != coro)
3300 { 3535 {
3301 PUTBACK; 3536 PUTBACK;
3537 slf_frame = slf_save;
3302 save_perl (aTHX_ coro); 3538 save_perl (aTHX_ coro);
3303 load_perl (aTHX_ current); 3539 load_perl (aTHX_ current);
3304 SPAGAIN; 3540 SPAGAIN;
3305 } 3541 }
3306 } 3542 }
… …
3392 3628
3393void 3629void
3394cancel (Coro::State self) 3630cancel (Coro::State self)
3395 CODE: 3631 CODE:
3396 coro_state_destroy (aTHX_ self); 3632 coro_state_destroy (aTHX_ self);
3397 coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
3398
3399 3633
3400SV * 3634SV *
3401enable_times (int enabled = enable_times) 3635enable_times (int enabled = enable_times)
3402 CODE: 3636 CODE:
3403{ 3637{
… …
3459BOOT: 3693BOOT:
3460{ 3694{
3461 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 3695 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3462 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); 3696 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3463 cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); 3697 cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3464 cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3465 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); 3698 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3466 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); 3699 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3467 av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); 3700 av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3468 sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); 3701 sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
3469 sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); 3702 sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
… …
3508 api_ready (aTHX_ RETVAL); 3741 api_ready (aTHX_ RETVAL);
3509 OUTPUT: 3742 OUTPUT:
3510 RETVAL 3743 RETVAL
3511 3744
3512void 3745void
3746_destroy (Coro::State coro)
3747 CODE:
3748 /* used by the manager thread */
3749 coro_state_destroy (aTHX_ coro);
3750
3751void
3752on_destroy (Coro::State coro, SV *cb)
3753 CODE:
3754 coro_push_on_destroy (aTHX_ coro, newSVsv (cb));
3755
3756void
3757join (...)
3758 CODE:
3759 CORO_EXECUTE_SLF_XS (slf_init_join);
3760
3761void
3513terminate (...) 3762terminate (...)
3514 CODE: 3763 CODE:
3515 CORO_EXECUTE_SLF_XS (slf_init_terminate); 3764 CORO_EXECUTE_SLF_XS (slf_init_terminate);
3765
3766void
3767cancel (...)
3768 CODE:
3769 CORO_EXECUTE_SLF_XS (slf_init_cancel);
3770
3771int
3772safe_cancel (Coro::State self, ...)
3773 C_ARGS: aTHX_ self, &ST (1), items - 1
3516 3774
3517void 3775void
3518schedule (...) 3776schedule (...)
3519 CODE: 3777 CODE:
3520 CORO_EXECUTE_SLF_XS (slf_init_schedule); 3778 CORO_EXECUTE_SLF_XS (slf_init_schedule);

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