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Comparing Coro/Coro/State.xs (file contents):
Revision 1.160 by root, Sat Sep 22 22:39:15 2007 UTC vs.
Revision 1.199 by root, Sun Oct 7 13:53:37 2007 UTC

1#include "libcoro/coro.c" 1#include "libcoro/coro.c"
2 2
3#define PERL_NO_GET_CONTEXT 3#define PERL_NO_GET_CONTEXT
4#define PERL_EXT
4 5
5#include "EXTERN.h" 6#include "EXTERN.h"
6#include "perl.h" 7#include "perl.h"
7#include "XSUB.h" 8#include "XSUB.h"
8 9
… …
75/* 5.8.7 */ 76/* 5.8.7 */
76#ifndef SvRV_set 77#ifndef SvRV_set
77# define SvRV_set(s,v) SvRV(s) = (v) 78# define SvRV_set(s,v) SvRV(s) = (v)
78#endif 79#endif
79 80
81/* 5.8.8 */
82#ifndef GV_NOTQUAL
83# define GV_NOTQUAL 0
84#endif
85#ifndef newSV
86# define newSV(l) NEWSV(0,l)
87#endif
88
80#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 89#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
81# undef CORO_STACKGUARD 90# undef CORO_STACKGUARD
82#endif 91#endif
83 92
84#ifndef CORO_STACKGUARD 93#ifndef CORO_STACKGUARD
… …
98#define IN_DESTRUCT (PL_main_cv == Nullcv) 107#define IN_DESTRUCT (PL_main_cv == Nullcv)
99 108
100#if __GNUC__ >= 3 109#if __GNUC__ >= 3
101# define attribute(x) __attribute__(x) 110# define attribute(x) __attribute__(x)
102# define BARRIER __asm__ __volatile__ ("" : : : "memory") 111# define BARRIER __asm__ __volatile__ ("" : : : "memory")
112# define expect(expr,value) __builtin_expect ((expr),(value))
103#else 113#else
104# define attribute(x) 114# define attribute(x)
105# define BARRIER 115# define BARRIER
116# define expect(expr,value) (expr)
106#endif 117#endif
118
119#define expect_false(expr) expect ((expr) != 0, 0)
120#define expect_true(expr) expect ((expr) != 0, 1)
107 121
108#define NOINLINE attribute ((noinline)) 122#define NOINLINE attribute ((noinline))
109 123
110#include "CoroAPI.h" 124#include "CoroAPI.h"
111 125
… …
132static AV *main_mainstack; /* used to differentiate between $main and others */ 146static AV *main_mainstack; /* used to differentiate between $main and others */
133static JMPENV *main_top_env; 147static JMPENV *main_top_env;
134static HV *coro_state_stash, *coro_stash; 148static HV *coro_state_stash, *coro_stash;
135static SV *coro_mortal; /* will be freed after next transfer */ 149static SV *coro_mortal; /* will be freed after next transfer */
136 150
151static GV *irsgv; /* $/ */
152static GV *stdoutgv; /* *STDOUT */
153static SV *sv_diehook;
154static SV *sv_warnhook;
155
137/* async_pool helper stuff */ 156/* async_pool helper stuff */
138static SV *sv_pool_rss; 157static SV *sv_pool_rss;
139static SV *sv_pool_size; 158static SV *sv_pool_size;
140static AV *av_async_pool; 159static AV *av_async_pool;
141 160
142static struct coro_cctx *cctx_first; 161static struct coro_cctx *cctx_first;
143static int cctx_count, cctx_idle; 162static int cctx_count, cctx_idle;
163
164enum {
165 CC_MAPPED = 0x01,
166 CC_NOREUSE = 0x02, /* throw this away after tracing */
167 CC_TRACE = 0x04,
168 CC_TRACE_SUB = 0x08, /* trace sub calls */
169 CC_TRACE_LINE = 0x10, /* trace each statement */
170 CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE,
171};
144 172
145/* this is a structure representing a c-level coroutine */ 173/* this is a structure representing a c-level coroutine */
146typedef struct coro_cctx { 174typedef struct coro_cctx {
147 struct coro_cctx *next; 175 struct coro_cctx *next;
148 176
… …
157 coro_context cctx; 185 coro_context cctx;
158 186
159#if CORO_USE_VALGRIND 187#if CORO_USE_VALGRIND
160 int valgrind_id; 188 int valgrind_id;
161#endif 189#endif
162 char inuse, mapped; 190 unsigned char flags;
163} coro_cctx; 191} coro_cctx;
164 192
165enum { 193enum {
166 CF_RUNNING = 0x0001, /* coroutine is running */ 194 CF_RUNNING = 0x0001, /* coroutine is running */
167 CF_READY = 0x0002, /* coroutine is ready */ 195 CF_READY = 0x0002, /* coroutine is ready */
168 CF_NEW = 0x0004, /* has never been switched to */ 196 CF_NEW = 0x0004, /* has never been switched to */
169 CF_DESTROYED = 0x0008, /* coroutine data has been freed */ 197 CF_DESTROYED = 0x0008, /* coroutine data has been freed */
170}; 198};
171 199
200/* the structure where most of the perl state is stored, overlaid on the cxstack */
201typedef struct {
202 SV *defsv;
203 AV *defav;
204 SV *errsv;
205 SV *irsgv;
206#define VAR(name,type) type name;
207# include "state.h"
208#undef VAR
209} perl_slots;
210
211#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
212
172/* this is a structure representing a perl-level coroutine */ 213/* this is a structure representing a perl-level coroutine */
173struct coro { 214struct coro {
174 /* the c coroutine allocated to this perl coroutine, if any */ 215 /* the c coroutine allocated to this perl coroutine, if any */
175 coro_cctx *cctx; 216 coro_cctx *cctx;
176 217
218 /* process data */
219 AV *mainstack;
220 perl_slots *slot; /* basically the saved sp */
221
177 /* data associated with this coroutine (initial args) */ 222 /* data associated with this coroutine (initial args) */
178 AV *args; 223 AV *args;
179 int refcnt; 224 int refcnt;
180 int save; /* CORO_SAVE flags */
181 int flags; /* CF_ flags */ 225 int flags; /* CF_ flags */
182 226
183 /* optionally saved, might be zero */ 227 /* statistics */
184 AV *defav; /* @_ */ 228 int usecount; /* number of transfers to this coro */
185 SV *defsv; /* $_ */
186 SV *errsv; /* $@ */
187 GV *deffh; /* default filehandle */
188 SV *irssv; /* $/ */
189 SV *irssv_sv; /* real $/ cache */
190
191#define VAR(name,type) type name;
192# include "state.h"
193#undef VAR
194 229
195 /* coro process data */ 230 /* coro process data */
196 int prio; 231 int prio;
232 SV *throw;
233
234 /* async_pool */
235 SV *saved_deffh;
197 236
198 /* linked list */ 237 /* linked list */
199 struct coro *next, *prev; 238 struct coro *next, *prev;
200 HV *hv; /* the perl hash associated with this coro, if any */ 239 HV *hv; /* the perl hash associated with this coro, if any */
201}; 240};
… …
217static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 256static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
218static int coro_nready; 257static int coro_nready;
219static struct coro *coro_first; 258static struct coro *coro_first;
220 259
221/** lowlevel stuff **********************************************************/ 260/** lowlevel stuff **********************************************************/
261
262static SV *
263coro_get_sv (const char *name, int create)
264{
265#if PERL_VERSION_ATLEAST (5,9,0)
266 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
267 get_sv (name, create);
268#endif
269 return get_sv (name, create);
270}
271
272static SV *
273coro_get_av (const char *name, int create)
274{
275#if PERL_VERSION_ATLEAST (5,9,0)
276 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
277 get_av (name, create);
278#endif
279 return get_av (name, create);
280}
222 281
223static AV * 282static AV *
224coro_clone_padlist (pTHX_ CV *cv) 283coro_clone_padlist (pTHX_ CV *cv)
225{ 284{
226 AV *padlist = CvPADLIST (cv); 285 AV *padlist = CvPADLIST (cv);
… …
290 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ 349 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
291 ? SvMAGIC (cv) \ 350 ? SvMAGIC (cv) \
292 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 351 : mg_find ((SV *)cv, PERL_MAGIC_coro) \
293 : 0 352 : 0
294 353
354static struct coro *
355SvSTATE_ (pTHX_ SV *coro)
356{
357 HV *stash;
358 MAGIC *mg;
359
360 if (SvROK (coro))
361 coro = SvRV (coro);
362
363 if (expect_false (SvTYPE (coro) != SVt_PVHV))
364 croak ("Coro::State object required");
365
366 stash = SvSTASH (coro);
367 if (expect_false (stash != coro_stash && stash != coro_state_stash))
368 {
369 /* very slow, but rare, check */
370 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
371 croak ("Coro::State object required");
372 }
373
374 mg = CORO_MAGIC (coro);
375 return (struct coro *)mg->mg_ptr;
376}
377
378#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
379
295/* the next two functions merely cache the padlists */ 380/* the next two functions merely cache the padlists */
296static void 381static void
297get_padlist (pTHX_ CV *cv) 382get_padlist (pTHX_ CV *cv)
298{ 383{
299 MAGIC *mg = CORO_MAGIC (cv); 384 MAGIC *mg = CORO_MAGIC (cv);
300 AV *av; 385 AV *av;
301 386
302 if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) 387 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
303 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 388 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
304 else 389 else
305 { 390 {
306#if CORO_PREFER_PERL_FUNCTIONS 391#if CORO_PREFER_PERL_FUNCTIONS
307 /* this is probably cleaner, but also slower? */ 392 /* this is probably cleaner, but also slower? */
… …
319put_padlist (pTHX_ CV *cv) 404put_padlist (pTHX_ CV *cv)
320{ 405{
321 MAGIC *mg = CORO_MAGIC (cv); 406 MAGIC *mg = CORO_MAGIC (cv);
322 AV *av; 407 AV *av;
323 408
324 if (!mg) 409 if (expect_false (!mg))
325 { 410 {
326 sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); 411 sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
327 mg = mg_find ((SV *)cv, PERL_MAGIC_coro); 412 mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
328 mg->mg_virtual = &vtbl_coro; 413 mg->mg_virtual = &vtbl_coro;
329 mg->mg_obj = (SV *)newAV (); 414 mg->mg_obj = (SV *)newAV ();
330 } 415 }
331 416
332 av = (AV *)mg->mg_obj; 417 av = (AV *)mg->mg_obj;
333 418
334 if (AvFILLp (av) >= AvMAX (av)) 419 if (expect_false (AvFILLp (av) >= AvMAX (av)))
335 av_extend (av, AvMAX (av) + 1); 420 av_extend (av, AvMAX (av) + 1);
336 421
337 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 422 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
338} 423}
339 424
340/** load & save, init *******************************************************/ 425/** load & save, init *******************************************************/
341 426
342#define SB do {
343#define SE } while (0)
344
345#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
346
347static void 427static void
348load_perl (pTHX_ Coro__State c) 428load_perl (pTHX_ Coro__State c)
349{ 429{
430 perl_slots *slot = c->slot;
431 c->slot = 0;
432
433 PL_mainstack = c->mainstack;
434
435 GvSV (PL_defgv) = slot->defsv;
436 GvAV (PL_defgv) = slot->defav;
437 GvSV (PL_errgv) = slot->errsv;
438 GvSV (irsgv) = slot->irsgv;
439
350#define VAR(name,type) PL_ ## name = c->name; 440 #define VAR(name,type) PL_ ## name = slot->name;
351# include "state.h" 441 # include "state.h"
352#undef VAR 442 #undef VAR
353
354 if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
355 if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
356 if (c->errsv) REPLACE_SV (ERRSV , c->errsv);
357 if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);
358
359 if (c->irssv)
360 {
361 if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv))
362 {
363 SvREFCNT_dec (c->irssv);
364 c->irssv = 0;
365 }
366 else
367 {
368 REPLACE_SV (PL_rs, c->irssv);
369 if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
370 sv_setsv (c->irssv_sv, PL_rs);
371 }
372 }
373 443
374 { 444 {
375 dSP; 445 dSP;
446
376 CV *cv; 447 CV *cv;
377 448
378 /* now do the ugly restore mess */ 449 /* now do the ugly restore mess */
379 while ((cv = (CV *)POPs)) 450 while (expect_true (cv = (CV *)POPs))
380 { 451 {
381 put_padlist (aTHX_ cv); /* mark this padlist as available */ 452 put_padlist (aTHX_ cv); /* mark this padlist as available */
382 CvDEPTH (cv) = PTR2IV (POPs); 453 CvDEPTH (cv) = PTR2IV (POPs);
383 CvPADLIST (cv) = (AV *)POPs; 454 CvPADLIST (cv) = (AV *)POPs;
384 } 455 }
… …
403 474
404 XPUSHs (Nullsv); 475 XPUSHs (Nullsv);
405 /* this loop was inspired by pp_caller */ 476 /* this loop was inspired by pp_caller */
406 for (;;) 477 for (;;)
407 { 478 {
408 while (cxix >= 0) 479 while (expect_true (cxix >= 0))
409 { 480 {
410 PERL_CONTEXT *cx = &ccstk[cxix--]; 481 PERL_CONTEXT *cx = &ccstk[cxix--];
411 482
412 if (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT) 483 if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT))
413 { 484 {
414 CV *cv = cx->blk_sub.cv; 485 CV *cv = cx->blk_sub.cv;
415 486
416 if (CvDEPTH (cv)) 487 if (expect_true (CvDEPTH (cv)))
417 { 488 {
418 EXTEND (SP, 3); 489 EXTEND (SP, 3);
419 PUSHs ((SV *)CvPADLIST (cv)); 490 PUSHs ((SV *)CvPADLIST (cv));
420 PUSHs (INT2PTR (SV *, CvDEPTH (cv))); 491 PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
421 PUSHs ((SV *)cv); 492 PUSHs ((SV *)cv);
… …
424 get_padlist (aTHX_ cv); 495 get_padlist (aTHX_ cv);
425 } 496 }
426 } 497 }
427 } 498 }
428 499
429 if (top_si->si_type == PERLSI_MAIN) 500 if (expect_true (top_si->si_type == PERLSI_MAIN))
430 break; 501 break;
431 502
432 top_si = top_si->si_prev; 503 top_si = top_si->si_prev;
433 ccstk = top_si->si_cxstack; 504 ccstk = top_si->si_cxstack;
434 cxix = top_si->si_cxix; 505 cxix = top_si->si_cxix;
435 } 506 }
436 507
437 PUTBACK; 508 PUTBACK;
438 } 509 }
439 510
440 c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; 511 /* allocate some space on the context stack for our purposes */
441 c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; 512 {
442 c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; 513 /* we manually unroll here, as usually 2 slots is enough */
443 c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0; 514 int i;
444 c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; 515 if (SLOT_COUNT >= 1) CXINC;
516 if (SLOT_COUNT >= 2) CXINC;
517 if (SLOT_COUNT >= 3) CXINC;
518 for (i = 3; i < SLOT_COUNT; ++i)
519 CXINC;
445 520
521 cxstack_ix -= SLOT_COUNT; /* undo allocation */
522 }
523
524 c->mainstack = PL_mainstack;
525
526 {
527 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
528
529 slot->defav = GvAV (PL_defgv);
530 slot->defsv = DEFSV;
531 slot->errsv = ERRSV;
532 slot->irsgv = GvSV (irsgv);
533
446#define VAR(name,type)c->name = PL_ ## name; 534 #define VAR(name,type) slot->name = PL_ ## name;
447# include "state.h" 535 # include "state.h"
448#undef VAR 536 #undef VAR
537 }
449} 538}
450 539
451/* 540/*
452 * allocate various perl stacks. This is an exact copy 541 * allocate various perl stacks. This is an exact copy
453 * of perl.c:init_stacks, except that it uses less memory 542 * of perl.c:init_stacks, except that it uses less memory
… …
458# define coro_init_stacks init_stacks 547# define coro_init_stacks init_stacks
459#else 548#else
460static void 549static void
461coro_init_stacks (pTHX) 550coro_init_stacks (pTHX)
462{ 551{
463 PL_curstackinfo = new_stackinfo(64, 6); 552 PL_curstackinfo = new_stackinfo(32, 8);
464 PL_curstackinfo->si_type = PERLSI_MAIN; 553 PL_curstackinfo->si_type = PERLSI_MAIN;
465 PL_curstack = PL_curstackinfo->si_stack; 554 PL_curstack = PL_curstackinfo->si_stack;
466 PL_mainstack = PL_curstack; /* remember in case we switch stacks */ 555 PL_mainstack = PL_curstack; /* remember in case we switch stacks */
467 556
468 PL_stack_base = AvARRAY(PL_curstack); 557 PL_stack_base = AvARRAY(PL_curstack);
469 PL_stack_sp = PL_stack_base; 558 PL_stack_sp = PL_stack_base;
470 PL_stack_max = PL_stack_base + AvMAX(PL_curstack); 559 PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
471 560
472 New(50,PL_tmps_stack,64,SV*); 561 New(50,PL_tmps_stack,32,SV*);
473 PL_tmps_floor = -1; 562 PL_tmps_floor = -1;
474 PL_tmps_ix = -1; 563 PL_tmps_ix = -1;
475 PL_tmps_max = 64; 564 PL_tmps_max = 32;
476 565
477 New(54,PL_markstack,16,I32); 566 New(54,PL_markstack,16,I32);
478 PL_markstack_ptr = PL_markstack; 567 PL_markstack_ptr = PL_markstack;
479 PL_markstack_max = PL_markstack + 16; 568 PL_markstack_max = PL_markstack + 16;
480 569
481#ifdef SET_MARK_OFFSET 570#ifdef SET_MARK_OFFSET
482 SET_MARK_OFFSET; 571 SET_MARK_OFFSET;
483#endif 572#endif
484 573
485 New(54,PL_scopestack,16,I32); 574 New(54,PL_scopestack,8,I32);
486 PL_scopestack_ix = 0; 575 PL_scopestack_ix = 0;
487 PL_scopestack_max = 16; 576 PL_scopestack_max = 8;
488 577
489 New(54,PL_savestack,64,ANY); 578 New(54,PL_savestack,24,ANY);
490 PL_savestack_ix = 0; 579 PL_savestack_ix = 0;
491 PL_savestack_max = 64; 580 PL_savestack_max = 24;
492 581
493#if !PERL_VERSION_ATLEAST (5,9,0) 582#if !PERL_VERSION_ATLEAST (5,9,0)
494 New(54,PL_retstack,4,OP*); 583 New(54,PL_retstack,4,OP*);
495 PL_retstack_ix = 0; 584 PL_retstack_ix = 0;
496 PL_retstack_max = 4; 585 PL_retstack_max = 4;
… …
502 * destroy the stacks, the callchain etc... 591 * destroy the stacks, the callchain etc...
503 */ 592 */
504static void 593static void
505coro_destroy_stacks (pTHX) 594coro_destroy_stacks (pTHX)
506{ 595{
507 if (!IN_DESTRUCT)
508 {
509 /* restore all saved variables and stuff */
510 LEAVE_SCOPE (0);
511 assert (PL_tmps_floor == -1);
512
513 /* free all temporaries */
514 FREETMPS;
515 assert (PL_tmps_ix == -1);
516
517 /* unwind all extra stacks */
518 POPSTACK_TO (PL_mainstack);
519
520 /* unwind main stack */
521 dounwind (-1);
522 }
523
524 while (PL_curstackinfo->si_next) 596 while (PL_curstackinfo->si_next)
525 PL_curstackinfo = PL_curstackinfo->si_next; 597 PL_curstackinfo = PL_curstackinfo->si_next;
526 598
527 while (PL_curstackinfo) 599 while (PL_curstackinfo)
528 { 600 {
… …
544 Safefree (PL_retstack); 616 Safefree (PL_retstack);
545#endif 617#endif
546} 618}
547 619
548static size_t 620static size_t
549coro_rss (struct coro *coro) 621coro_rss (pTHX_ struct coro *coro)
550{ 622{
551 size_t rss = sizeof (coro); 623 size_t rss = sizeof (*coro);
552 624
553 if (coro->mainstack) 625 if (coro->mainstack)
554 { 626 {
627 perl_slots tmp_slot;
628 perl_slots *slot;
629
555 if (coro->flags & CF_RUNNING) 630 if (coro->flags & CF_RUNNING)
556 { 631 {
632 slot = &tmp_slot;
633
557 #define VAR(name,type)coro->name = PL_ ## name; 634 #define VAR(name,type) slot->name = PL_ ## name;
558 # include "state.h" 635 # include "state.h"
559 #undef VAR 636 #undef VAR
560 } 637 }
638 else
639 slot = coro->slot;
561 640
562 rss += sizeof (coro->curstackinfo); 641 rss += sizeof (slot->curstackinfo);
563 rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
564 rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); 642 rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
565 rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); 643 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
566 rss += coro->tmps_max * sizeof (SV *); 644 rss += slot->tmps_max * sizeof (SV *);
567 rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); 645 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
568 rss += coro->scopestack_max * sizeof (I32); 646 rss += slot->scopestack_max * sizeof (I32);
569 rss += coro->savestack_max * sizeof (ANY); 647 rss += slot->savestack_max * sizeof (ANY);
570 648
571#if !PERL_VERSION_ATLEAST (5,9,0) 649#if !PERL_VERSION_ATLEAST (5,9,0)
572 rss += coro->retstack_max * sizeof (OP *); 650 rss += slot->retstack_max * sizeof (OP *);
573#endif 651#endif
574 } 652 }
575 653
576 return rss; 654 return rss;
577} 655}
578 656
579/** coroutine stack handling ************************************************/ 657/** coroutine stack handling ************************************************/
580 658
581static void 659static void
582setup_coro (pTHX_ struct coro *coro) 660coro_setup (pTHX_ struct coro *coro)
583{ 661{
584 /* 662 /*
585 * emulate part of the perl startup here. 663 * emulate part of the perl startup here.
586 */ 664 */
587 coro_init_stacks (aTHX); 665 coro_init_stacks (aTHX);
588 666
667 PL_runops = RUNOPS_DEFAULT;
589 PL_curcop = &PL_compiling; 668 PL_curcop = &PL_compiling;
590 PL_in_eval = EVAL_NULL; 669 PL_in_eval = EVAL_NULL;
591 PL_comppad = 0; 670 PL_comppad = 0;
592 PL_curpm = 0; 671 PL_curpm = 0;
672 PL_curpad = 0;
593 PL_localizing = 0; 673 PL_localizing = 0;
594 PL_dirty = 0; 674 PL_dirty = 0;
595 PL_restartop = 0; 675 PL_restartop = 0;
676 PL_diehook = SvREFCNT_inc (sv_diehook);
677 PL_warnhook = SvREFCNT_inc (sv_warnhook);
678
679 GvSV (PL_defgv) = newSV (0);
680 GvAV (PL_defgv) = coro->args; coro->args = 0;
681 GvSV (PL_errgv) = newSV (0);
682 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
683 PL_rs = newSVsv (GvSV (irsgv));
684 PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
596 685
597 { 686 {
598 dSP; 687 dSP;
599 LOGOP myop; 688 LOGOP myop;
600 689
601 SvREFCNT_dec (GvAV (PL_defgv));
602 GvAV (PL_defgv) = coro->args; coro->args = 0;
603
604 Zero (&myop, 1, LOGOP); 690 Zero (&myop, 1, LOGOP);
605 myop.op_next = Nullop; 691 myop.op_next = Nullop;
606 myop.op_flags = OPf_WANT_VOID; 692 myop.op_flags = OPf_WANT_VOID;
607 693
608 PUSHMARK (SP); 694 PUSHMARK (SP);
609 XPUSHs (av_shift (GvAV (PL_defgv))); 695 XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
610 PUTBACK; 696 PUTBACK;
611 PL_op = (OP *)&myop; 697 PL_op = (OP *)&myop;
612 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 698 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
613 SPAGAIN; 699 SPAGAIN;
614 } 700 }
615 701
616 ENTER; /* necessary e.g. for dounwind */ 702 ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */
703}
704
705static void
706coro_destroy (pTHX_ struct coro *coro)
707{
708 if (!IN_DESTRUCT)
709 {
710 /* restore all saved variables and stuff */
711 LEAVE_SCOPE (0);
712 assert (PL_tmps_floor == -1);
713
714 /* free all temporaries */
715 FREETMPS;
716 assert (PL_tmps_ix == -1);
717
718 /* unwind all extra stacks */
719 POPSTACK_TO (PL_mainstack);
720
721 /* unwind main stack */
722 dounwind (-1);
723 }
724
725 SvREFCNT_dec (GvSV (PL_defgv));
726 SvREFCNT_dec (GvAV (PL_defgv));
727 SvREFCNT_dec (GvSV (PL_errgv));
728 SvREFCNT_dec (PL_defoutgv);
729 SvREFCNT_dec (PL_rs);
730 SvREFCNT_dec (GvSV (irsgv));
731
732 SvREFCNT_dec (PL_diehook);
733 SvREFCNT_dec (PL_warnhook);
734
735 SvREFCNT_dec (coro->saved_deffh);
736 SvREFCNT_dec (coro->throw);
737
738 coro_destroy_stacks (aTHX);
617} 739}
618 740
619static void 741static void
620free_coro_mortal (pTHX) 742free_coro_mortal (pTHX)
621{ 743{
622 if (coro_mortal) 744 if (expect_true (coro_mortal))
623 { 745 {
624 SvREFCNT_dec (coro_mortal); 746 SvREFCNT_dec (coro_mortal);
625 coro_mortal = 0; 747 coro_mortal = 0;
626 } 748 }
749}
750
751static int
752runops_trace (pTHX)
753{
754 COP *oldcop = 0;
755 int oldcxix = -2;
756 struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */
757 coro_cctx *cctx = coro->cctx;
758
759 while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
760 {
761 PERL_ASYNC_CHECK ();
762
763 if (cctx->flags & CC_TRACE_ALL)
764 {
765 if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
766 {
767 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
768 SV **bot, **top;
769 AV *av = newAV (); /* return values */
770 SV **cb;
771 dSP;
772
773 GV *gv = CvGV (cx->blk_sub.cv);
774 SV *fullname = sv_2mortal (newSV (0));
775 if (isGV (gv))
776 gv_efullname3 (fullname, gv, 0);
777
778 bot = PL_stack_base + cx->blk_oldsp + 1;
779 top = cx->blk_gimme == G_ARRAY ? SP + 1
780 : cx->blk_gimme == G_SCALAR ? bot + 1
781 : bot;
782
783 av_extend (av, top - bot);
784 while (bot < top)
785 av_push (av, SvREFCNT_inc (*bot++));
786
787 PL_runops = RUNOPS_DEFAULT;
788 ENTER;
789 SAVETMPS;
790 EXTEND (SP, 3);
791 PUSHMARK (SP);
792 PUSHs (&PL_sv_no);
793 PUSHs (fullname);
794 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
795 PUTBACK;
796 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
797 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
798 SPAGAIN;
799 FREETMPS;
800 LEAVE;
801 PL_runops = runops_trace;
802 }
803
804 if (oldcop != PL_curcop)
805 {
806 oldcop = PL_curcop;
807
808 if (PL_curcop != &PL_compiling)
809 {
810 SV **cb;
811
812 if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
813 {
814 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
815
816 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
817 {
818 runops_proc_t old_runops = PL_runops;
819 dSP;
820 GV *gv = CvGV (cx->blk_sub.cv);
821 SV *fullname = sv_2mortal (newSV (0));
822
823 if (isGV (gv))
824 gv_efullname3 (fullname, gv, 0);
825
826 PL_runops = RUNOPS_DEFAULT;
827 ENTER;
828 SAVETMPS;
829 EXTEND (SP, 3);
830 PUSHMARK (SP);
831 PUSHs (&PL_sv_yes);
832 PUSHs (fullname);
833 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
834 PUTBACK;
835 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
836 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
837 SPAGAIN;
838 FREETMPS;
839 LEAVE;
840 PL_runops = runops_trace;
841 }
842
843 oldcxix = cxstack_ix;
844 }
845
846 if (cctx->flags & CC_TRACE_LINE)
847 {
848 dSP;
849
850 PL_runops = RUNOPS_DEFAULT;
851 ENTER;
852 SAVETMPS;
853 EXTEND (SP, 3);
854 PL_runops = RUNOPS_DEFAULT;
855 PUSHMARK (SP);
856 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
857 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
858 PUTBACK;
859 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
860 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
861 SPAGAIN;
862 FREETMPS;
863 LEAVE;
864 PL_runops = runops_trace;
865 }
866 }
867 }
868 }
869 }
870
871 TAINT_NOT;
872 return 0;
627} 873}
628 874
629/* inject a fake call to Coro::State::_cctx_init into the execution */ 875/* inject a fake call to Coro::State::_cctx_init into the execution */
630/* _cctx_init should be careful, as it could be called at almost any time */ 876/* _cctx_init should be careful, as it could be called at almost any time */
631/* during execution of a perl program */ 877/* during execution of a perl program */
632static void NOINLINE 878static void NOINLINE
633prepare_cctx (pTHX_ coro_cctx *cctx) 879prepare_cctx (pTHX_ coro_cctx *cctx)
634{ 880{
635 dSP; 881 dSP;
636 LOGOP myop; 882 LOGOP myop;
883
884 PL_top_env = &PL_start_env;
885
886 if (cctx->flags & CC_TRACE)
887 PL_runops = runops_trace;
637 888
638 Zero (&myop, 1, LOGOP); 889 Zero (&myop, 1, LOGOP);
639 myop.op_next = PL_op; 890 myop.op_next = PL_op;
640 myop.op_flags = OPf_WANT_VOID | OPf_STACKED; 891 myop.op_flags = OPf_WANT_VOID | OPf_STACKED;
641 892
… …
658 dTHX; 909 dTHX;
659 910
660 /* coro_run is the alternative tail of transfer(), so unlock here. */ 911 /* coro_run is the alternative tail of transfer(), so unlock here. */
661 UNLOCK; 912 UNLOCK;
662 913
663 PL_top_env = &PL_start_env; 914 /* we now skip the entersub that lead to transfer() */
915 PL_op = PL_op->op_next;
664 916
665 /* inject a fake subroutine call to cctx_init */ 917 /* inject a fake subroutine call to cctx_init */
666 prepare_cctx (aTHX_ (coro_cctx *)arg); 918 prepare_cctx (aTHX_ (coro_cctx *)arg);
667 919
668 /* somebody or something will hit me for both perl_run and PL_restartop */ 920 /* somebody or something will hit me for both perl_run and PL_restartop */
… …
702# if CORO_STACKGUARD 954# if CORO_STACKGUARD
703 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); 955 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
704# endif 956# endif
705 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; 957 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
706 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; 958 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
707 cctx->mapped = 1; 959 cctx->flags |= CC_MAPPED;
708 } 960 }
709 else 961 else
710#endif 962#endif
711 { 963 {
712 cctx->ssize = coro_stacksize * (long)sizeof (long); 964 cctx->ssize = coro_stacksize * (long)sizeof (long);
… …
739#if CORO_USE_VALGRIND 991#if CORO_USE_VALGRIND
740 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); 992 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
741#endif 993#endif
742 994
743#if HAVE_MMAP 995#if HAVE_MMAP
744 if (cctx->mapped) 996 if (cctx->flags & CC_MAPPED)
745 munmap (cctx->sptr, cctx->ssize); 997 munmap (cctx->sptr, cctx->ssize);
746 else 998 else
747#endif 999#endif
748 Safefree (cctx->sptr); 1000 Safefree (cctx->sptr);
749 1001
750 Safefree (cctx); 1002 Safefree (cctx);
751} 1003}
752 1004
1005/* wether this cctx should be destructed */
1006#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE))
1007
753static coro_cctx * 1008static coro_cctx *
754cctx_get (pTHX) 1009cctx_get (pTHX)
755{ 1010{
756 while (cctx_first) 1011 while (expect_true (cctx_first))
757 { 1012 {
758 coro_cctx *cctx = cctx_first; 1013 coro_cctx *cctx = cctx_first;
759 cctx_first = cctx->next; 1014 cctx_first = cctx->next;
760 --cctx_idle; 1015 --cctx_idle;
761 1016
762 if (cctx->ssize >= coro_stacksize) 1017 if (expect_true (!CCTX_EXPIRED (cctx)))
763 return cctx; 1018 return cctx;
764 1019
765 cctx_destroy (cctx); 1020 cctx_destroy (cctx);
766 } 1021 }
767 1022
768 PL_op = PL_op->op_next;
769 return cctx_new (); 1023 return cctx_new ();
770} 1024}
771 1025
772static void 1026static void
773cctx_put (coro_cctx *cctx) 1027cctx_put (coro_cctx *cctx)
774{ 1028{
775 /* free another cctx if overlimit */ 1029 /* free another cctx if overlimit */
776 if (cctx_idle >= MAX_IDLE_CCTX) 1030 if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
777 { 1031 {
778 coro_cctx *first = cctx_first; 1032 coro_cctx *first = cctx_first;
779 cctx_first = first->next; 1033 cctx_first = first->next;
780 --cctx_idle; 1034 --cctx_idle;
781 1035
782 assert (!first->inuse);
783 cctx_destroy (first); 1036 cctx_destroy (first);
784 } 1037 }
785 1038
786 ++cctx_idle; 1039 ++cctx_idle;
787 cctx->next = cctx_first; 1040 cctx->next = cctx_first;
788 cctx_first = cctx; 1041 cctx_first = cctx;
789} 1042}
790 1043
791/** coroutine switching *****************************************************/ 1044/** coroutine switching *****************************************************/
792 1045
793/* never call directly, always through the coro_state_transfer global variable */ 1046static void
1047transfer_check (pTHX_ struct coro *prev, struct coro *next)
1048{
1049 if (expect_true (prev != next))
1050 {
1051 if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
1052 croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
1053
1054 if (expect_false (next->flags & CF_RUNNING))
1055 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1056
1057 if (expect_false (next->flags & CF_DESTROYED))
1058 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1059
1060 if (
1061#if PERL_VERSION_ATLEAST (5,9,0)
1062 expect_false (PL_parser)
1063#else
1064 expect_false (PL_lex_state != LEX_NOTPARSING)
1065#endif
1066 )
1067 croak ("Coro::State::transfer called while parsing, but this is not supported");
1068 }
1069}
1070
1071/* always use the TRANSFER macro */
794static void NOINLINE 1072static void NOINLINE
795transfer (pTHX_ struct coro *prev, struct coro *next) 1073transfer (pTHX_ struct coro *prev, struct coro *next)
796{ 1074{
797 dSTACKLEVEL; 1075 dSTACKLEVEL;
798 1076
799 /* sometimes transfer is only called to set idle_sp */ 1077 /* sometimes transfer is only called to set idle_sp */
800 if (!next) 1078 if (expect_false (!next))
801 { 1079 {
802 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1080 ((coro_cctx *)prev)->idle_sp = STACKLEVEL;
803 assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ 1081 assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
804 } 1082 }
805 else if (prev != next) 1083 else if (expect_true (prev != next))
806 { 1084 {
807 coro_cctx *prev__cctx; 1085 coro_cctx *prev__cctx;
808 1086
809 if (prev->flags & CF_NEW) 1087 if (expect_false (prev->flags & CF_NEW))
810 { 1088 {
811 /* create a new empty context */ 1089 /* create a new empty context */
812 Newz (0, prev->cctx, 1, coro_cctx); 1090 Newz (0, prev->cctx, 1, coro_cctx);
813 prev->cctx->inuse = 1;
814 prev->flags &= ~CF_NEW; 1091 prev->flags &= ~CF_NEW;
815 prev->flags |= CF_RUNNING; 1092 prev->flags |= CF_RUNNING;
816 } 1093 }
817 1094
818 /*TODO: must not croak here */
819 if (!prev->flags & CF_RUNNING)
820 croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
821
822 if (next->flags & CF_RUNNING)
823 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
824
825 if (next->flags & CF_DESTROYED)
826 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
827
828 prev->flags &= ~CF_RUNNING; 1095 prev->flags &= ~CF_RUNNING;
829 next->flags |= CF_RUNNING; 1096 next->flags |= CF_RUNNING;
830 1097
831 LOCK; 1098 LOCK;
832 1099
833 if (next->flags & CF_NEW) 1100 if (expect_false (next->flags & CF_NEW))
834 { 1101 {
835 /* need to start coroutine */ 1102 /* need to start coroutine */
836 next->flags &= ~CF_NEW; 1103 next->flags &= ~CF_NEW;
837 /* first get rid of the old state */ 1104 /* first get rid of the old state */
838 save_perl (aTHX_ prev); 1105 save_perl (aTHX_ prev);
839 /* setup coroutine call */ 1106 /* setup coroutine call */
840 setup_coro (aTHX_ next); 1107 coro_setup (aTHX_ next);
841 /* need a new stack */
842 assert (!next->cctx);
843 } 1108 }
844 else 1109 else
845 { 1110 {
846 /* coroutine already started */ 1111 /* coroutine already started */
847 save_perl (aTHX_ prev); 1112 save_perl (aTHX_ prev);
… …
849 } 1114 }
850 1115
851 prev__cctx = prev->cctx; 1116 prev__cctx = prev->cctx;
852 1117
853 /* possibly "free" the cctx */ 1118 /* possibly "free" the cctx */
854 if (prev__cctx->idle_sp == STACKLEVEL) 1119 if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))
855 { 1120 {
856 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1121 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
857 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 1122 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
858 1123
859 prev->cctx = 0; 1124 prev->cctx = 0;
860 1125
1126 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
1127 /* without this the next cctx_get might destroy the prev__cctx while still in use */
1128 if (expect_false (CCTX_EXPIRED (prev__cctx)))
1129 next->cctx = cctx_get (aTHX);
1130
861 cctx_put (prev__cctx); 1131 cctx_put (prev__cctx);
862 prev__cctx->inuse = 0;
863 } 1132 }
864 1133
1134 ++next->usecount;
1135
865 if (!next->cctx) 1136 if (expect_true (!next->cctx))
866 {
867 next->cctx = cctx_get (aTHX); 1137 next->cctx = cctx_get (aTHX);
868 assert (!next->cctx->inuse);
869 next->cctx->inuse = 1;
870 }
871 1138
872 if (prev__cctx != next->cctx) 1139 if (expect_false (prev__cctx != next->cctx))
873 { 1140 {
874 prev__cctx->top_env = PL_top_env; 1141 prev__cctx->top_env = PL_top_env;
875 PL_top_env = next->cctx->top_env; 1142 PL_top_env = next->cctx->top_env;
876 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); 1143 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
877 } 1144 }
878 1145
879 free_coro_mortal (aTHX); 1146 free_coro_mortal (aTHX);
880 UNLOCK; 1147 UNLOCK;
1148
1149 if (expect_false (prev->throw || next->throw))
1150 {
1151 struct coro *coro = SvSTATE (coro_current);
1152
1153 if (coro->throw)
1154 {
1155 SV *exception = coro->throw;
1156 coro->throw = 0;
1157 sv_setsv (ERRSV, exception);
1158 croak (0);
1159 }
1160 }
881 } 1161 }
882} 1162}
883 1163
884struct transfer_args 1164struct transfer_args
885{ 1165{
886 struct coro *prev, *next; 1166 struct coro *prev, *next;
887}; 1167};
888 1168
889#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1169#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
1170#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
890 1171
891/** high level stuff ********************************************************/ 1172/** high level stuff ********************************************************/
892 1173
893static int 1174static int
894coro_state_destroy (pTHX_ struct coro *coro) 1175coro_state_destroy (pTHX_ struct coro *coro)
… …
911 1192
912 if (coro->mainstack && coro->mainstack != main_mainstack) 1193 if (coro->mainstack && coro->mainstack != main_mainstack)
913 { 1194 {
914 struct coro temp; 1195 struct coro temp;
915 1196
916 assert (!(coro->flags & CF_RUNNING));
917
918 Zero (&temp, 1, struct coro);
919 temp.save = CORO_SAVE_ALL;
920
921 if (coro->flags & CF_RUNNING) 1197 if (coro->flags & CF_RUNNING)
922 croak ("FATAL: tried to destroy currently running coroutine"); 1198 croak ("FATAL: tried to destroy currently running coroutine");
923 1199
924 save_perl (aTHX_ &temp); 1200 save_perl (aTHX_ &temp);
925 load_perl (aTHX_ coro); 1201 load_perl (aTHX_ coro);
926 1202
927 coro_destroy_stacks (aTHX); 1203 coro_destroy (aTHX_ coro);
928 1204
929 load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ 1205 load_perl (aTHX_ &temp);
930 1206
931 coro->mainstack = 0; 1207 coro->slot = 0;
932 } 1208 }
933 1209
934 cctx_destroy (coro->cctx); 1210 cctx_destroy (coro->cctx);
935 SvREFCNT_dec (coro->args); 1211 SvREFCNT_dec (coro->args);
936 1212
… …
977#else 1253#else
978# define MGf_DUP 0 1254# define MGf_DUP 0
979#endif 1255#endif
980}; 1256};
981 1257
982static struct coro *
983SvSTATE_ (pTHX_ SV *coro)
984{
985 HV *stash;
986 MAGIC *mg;
987
988 if (SvROK (coro))
989 coro = SvRV (coro);
990
991 stash = SvSTASH (coro);
992 if (stash != coro_stash && stash != coro_state_stash)
993 {
994 /* very slow, but rare, check */
995 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
996 croak ("Coro::State object required");
997 }
998
999 mg = CORO_MAGIC (coro);
1000 return (struct coro *)mg->mg_ptr;
1001}
1002
1003#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
1004
1005static void 1258static void
1006prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) 1259prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv)
1007{ 1260{
1008 ta->prev = SvSTATE (prev_sv); 1261 ta->prev = SvSTATE (prev_sv);
1009 ta->next = SvSTATE (next_sv); 1262 ta->next = SvSTATE (next_sv);
1263 TRANSFER_CHECK (*ta);
1010} 1264}
1011 1265
1012static void 1266static void
1013api_transfer (SV *prev_sv, SV *next_sv) 1267api_transfer (SV *prev_sv, SV *next_sv)
1014{ 1268{
1015 dTHX; 1269 dTHX;
1016 struct transfer_args ta; 1270 struct transfer_args ta;
1017 1271
1018 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1272 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1019 TRANSFER (ta); 1273 TRANSFER (ta);
1020}
1021
1022static int
1023api_save (SV *coro_sv, int new_save)
1024{
1025 dTHX;
1026 struct coro *coro = SvSTATE (coro_sv);
1027 int old_save = coro->save;
1028
1029 if (new_save >= 0)
1030 coro->save = new_save;
1031
1032 return old_save;
1033} 1274}
1034 1275
1035/** Coro ********************************************************************/ 1276/** Coro ********************************************************************/
1036 1277
1037static void 1278static void
… …
1096 { 1337 {
1097 LOCK; 1338 LOCK;
1098 next_sv = coro_deq (aTHX_ PRIO_MIN); 1339 next_sv = coro_deq (aTHX_ PRIO_MIN);
1099 1340
1100 /* nothing to schedule: call the idle handler */ 1341 /* nothing to schedule: call the idle handler */
1101 if (!next_sv) 1342 if (expect_false (!next_sv))
1102 { 1343 {
1103 dSP; 1344 dSP;
1104 UNLOCK; 1345 UNLOCK;
1105 1346
1106 ENTER; 1347 ENTER;
… …
1116 } 1357 }
1117 1358
1118 ta->next = SvSTATE (next_sv); 1359 ta->next = SvSTATE (next_sv);
1119 1360
1120 /* cannot transfer to destroyed coros, skip and look for next */ 1361 /* cannot transfer to destroyed coros, skip and look for next */
1121 if (ta->next->flags & CF_DESTROYED) 1362 if (expect_false (ta->next->flags & CF_DESTROYED))
1122 { 1363 {
1123 UNLOCK; 1364 UNLOCK;
1124 SvREFCNT_dec (next_sv); 1365 SvREFCNT_dec (next_sv);
1125 /* coro_nready is already taken care of by destroy */ 1366 /* coro_nready is already taken care of by destroy */
1126 continue; 1367 continue;
… …
1131 break; 1372 break;
1132 } 1373 }
1133 1374
1134 /* free this only after the transfer */ 1375 /* free this only after the transfer */
1135 prev_sv = SvRV (coro_current); 1376 prev_sv = SvRV (coro_current);
1136 SvRV_set (coro_current, next_sv);
1137 ta->prev = SvSTATE (prev_sv); 1377 ta->prev = SvSTATE (prev_sv);
1138 1378 TRANSFER_CHECK (*ta);
1139 assert (ta->next->flags & CF_READY); 1379 assert (ta->next->flags & CF_READY);
1140 ta->next->flags &= ~CF_READY; 1380 ta->next->flags &= ~CF_READY;
1381 SvRV_set (coro_current, next_sv);
1141 1382
1142 LOCK; 1383 LOCK;
1143 free_coro_mortal (aTHX); 1384 free_coro_mortal (aTHX);
1144 coro_mortal = prev_sv; 1385 coro_mortal = prev_sv;
1145 UNLOCK; 1386 UNLOCK;
… …
1182 dTHX; 1423 dTHX;
1183 struct transfer_args ta; 1424 struct transfer_args ta;
1184 1425
1185 prepare_cede (aTHX_ &ta); 1426 prepare_cede (aTHX_ &ta);
1186 1427
1187 if (ta.prev != ta.next) 1428 if (expect_true (ta.prev != ta.next))
1188 { 1429 {
1189 TRANSFER (ta); 1430 TRANSFER (ta);
1190 return 1; 1431 return 1;
1191 } 1432 }
1192 else 1433 else
… …
1206 } 1447 }
1207 else 1448 else
1208 return 0; 1449 return 0;
1209} 1450}
1210 1451
1452static void
1453api_trace (SV *coro_sv, int flags)
1454{
1455 dTHX;
1456 struct coro *coro = SvSTATE (coro_sv);
1457
1458 if (flags & CC_TRACE)
1459 {
1460 if (!coro->cctx)
1461 coro->cctx = cctx_new ();
1462 else if (!(coro->cctx->flags & CC_TRACE))
1463 croak ("cannot enable tracing on coroutine with custom stack");
1464
1465 coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1466 }
1467 else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1468 {
1469 coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL);
1470
1471 if (coro->flags & CF_RUNNING)
1472 PL_runops = RUNOPS_DEFAULT;
1473 else
1474 coro->slot->runops = RUNOPS_DEFAULT;
1475 }
1476}
1477
1211MODULE = Coro::State PACKAGE = Coro::State 1478MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1212 1479
1213PROTOTYPES: DISABLE 1480PROTOTYPES: DISABLE
1214 1481
1215BOOT: 1482BOOT:
1216{ 1483{
1217#ifdef USE_ITHREADS 1484#ifdef USE_ITHREADS
1218 MUTEX_INIT (&coro_mutex); 1485 MUTEX_INIT (&coro_mutex);
1219#endif 1486#endif
1220 BOOT_PAGESIZE; 1487 BOOT_PAGESIZE;
1221 1488
1489 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1490 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1491
1492 sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);
1493 sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);
1494
1495 if (!PL_diehook) PL_diehook = SvREFCNT_inc (sv_diehook);
1496 if (!PL_warnhook) PL_warnhook = SvREFCNT_inc (sv_warnhook);
1497
1222 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1498 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1223 1499
1224 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); 1500 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1225 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); 1501 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1226 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1227 newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1228 newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1229 newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF)); 1502 newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1230 newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); 1503 newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1231 1504
1232 main_mainstack = PL_mainstack; 1505 main_mainstack = PL_mainstack;
1233 main_top_env = PL_top_env; 1506 main_top_env = PL_top_env;
1234 1507
1235 while (main_top_env->je_prev) 1508 while (main_top_env->je_prev)
… …
1248 struct coro *coro; 1521 struct coro *coro;
1249 HV *hv; 1522 HV *hv;
1250 int i; 1523 int i;
1251 1524
1252 Newz (0, coro, 1, struct coro); 1525 Newz (0, coro, 1, struct coro);
1253 coro->args = newAV (); 1526 coro->args = newAV ();
1254 coro->save = CORO_SAVE_DEF;
1255 coro->flags = CF_NEW; 1527 coro->flags = CF_NEW;
1256 1528
1257 if (coro_first) coro_first->prev = coro; 1529 if (coro_first) coro_first->prev = coro;
1258 coro->next = coro_first; 1530 coro->next = coro_first;
1259 coro_first = coro; 1531 coro_first = coro;
1260 1532
1261 coro->hv = hv = newHV (); 1533 coro->hv = hv = newHV ();
1262 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; 1534 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP;
1263 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); 1535 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1264 1536
1537 av_extend (coro->args, items - 1);
1265 for (i = 1; i < items; i++) 1538 for (i = 1; i < items; i++)
1266 av_push (coro->args, newSVsv (ST (i))); 1539 av_push (coro->args, newSVsv (ST (i)));
1267} 1540}
1268 OUTPUT: 1541 OUTPUT:
1269 RETVAL 1542 RETVAL
1270 1543
1271int 1544# these not obviously related functions are all rolled into the same xs
1272save (SV *coro, int new_save = -1) 1545# function to increase chances that they all will call transfer with the same
1273 CODE: 1546# stack offset
1274 RETVAL = api_save (coro, new_save);
1275 OUTPUT:
1276 RETVAL
1277
1278int
1279save_also (SV *coro_sv, int save_also)
1280 CODE:
1281{
1282 struct coro *coro = SvSTATE (coro_sv);
1283 RETVAL = coro->save;
1284 coro->save |= save_also;
1285}
1286 OUTPUT:
1287 RETVAL
1288
1289void 1547void
1290_set_stacklevel (...) 1548_set_stacklevel (...)
1291 ALIAS: 1549 ALIAS:
1292 Coro::State::transfer = 1 1550 Coro::State::transfer = 1
1293 Coro::schedule = 2 1551 Coro::schedule = 2
… …
1327 } 1585 }
1328 1586
1329 BARRIER; 1587 BARRIER;
1330 TRANSFER (ta); 1588 TRANSFER (ta);
1331 1589
1332 if (GIMME_V != G_VOID && ta.next != ta.prev) 1590 if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))
1333 XSRETURN_YES; 1591 XSRETURN_YES;
1334} 1592}
1335 1593
1336bool 1594bool
1337_destroy (SV *coro_sv) 1595_destroy (SV *coro_sv)
… …
1379 if (coro->hv) 1637 if (coro->hv)
1380 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); 1638 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1381} 1639}
1382 1640
1383void 1641void
1384_eval (Coro::State coro, SV *coderef) 1642call (Coro::State coro, SV *coderef)
1643 ALIAS:
1644 eval = 1
1385 CODE: 1645 CODE:
1386{ 1646{
1387 if (coro->mainstack) 1647 if (coro->mainstack)
1388 { 1648 {
1389 struct coro temp; 1649 struct coro temp;
1390 Zero (&temp, 1, struct coro);
1391 temp.save = CORO_SAVE_ALL;
1392 1650
1393 if (!(coro->flags & CF_RUNNING)) 1651 if (!(coro->flags & CF_RUNNING))
1394 { 1652 {
1395 save_perl (aTHX_ &temp); 1653 save_perl (aTHX_ &temp);
1396 load_perl (aTHX_ coro); 1654 load_perl (aTHX_ coro);
… …
1400 dSP; 1658 dSP;
1401 ENTER; 1659 ENTER;
1402 SAVETMPS; 1660 SAVETMPS;
1403 PUSHMARK (SP); 1661 PUSHMARK (SP);
1404 PUTBACK; 1662 PUTBACK;
1663
1664 if (ix)
1665 eval_sv (coderef, 0);
1666 else
1405 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1667 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1668
1406 SPAGAIN; 1669 SPAGAIN;
1407 FREETMPS; 1670 FREETMPS;
1408 LEAVE; 1671 LEAVE;
1409 PUTBACK; 1672 PUTBACK;
1410 } 1673 }
… …
1414 save_perl (aTHX_ coro); 1677 save_perl (aTHX_ coro);
1415 load_perl (aTHX_ &temp); 1678 load_perl (aTHX_ &temp);
1416 } 1679 }
1417 } 1680 }
1418} 1681}
1419 1682
1420SV * 1683SV *
1421is_ready (Coro::State coro) 1684is_ready (Coro::State coro)
1422 PROTOTYPE: $ 1685 PROTOTYPE: $
1423 ALIAS: 1686 ALIAS:
1424 is_ready = CF_READY 1687 is_ready = CF_READY
… …
1428 CODE: 1691 CODE:
1429 RETVAL = boolSV (coro->flags & ix); 1692 RETVAL = boolSV (coro->flags & ix);
1430 OUTPUT: 1693 OUTPUT:
1431 RETVAL 1694 RETVAL
1432 1695
1696void
1697api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1698
1699SV *
1700has_stack (Coro::State coro)
1701 PROTOTYPE: $
1702 CODE:
1703 RETVAL = boolSV (!!coro->cctx);
1704 OUTPUT:
1705 RETVAL
1706
1707int
1708is_traced (Coro::State coro)
1709 PROTOTYPE: $
1710 CODE:
1711 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1712 OUTPUT:
1713 RETVAL
1714
1433IV 1715IV
1434rss (Coro::State coro) 1716rss (Coro::State coro)
1435 PROTOTYPE: $ 1717 PROTOTYPE: $
1718 ALIAS:
1719 usecount = 1
1436 CODE: 1720 CODE:
1437 RETVAL = coro_rss (coro); 1721 switch (ix)
1722 {
1723 case 0: RETVAL = coro_rss (aTHX_ coro); break;
1724 case 1: RETVAL = coro->usecount; break;
1725 }
1438 OUTPUT: 1726 OUTPUT:
1439 RETVAL 1727 RETVAL
1440 1728
1441 1729
1442MODULE = Coro::State PACKAGE = Coro 1730MODULE = Coro::State PACKAGE = Coro
1443 1731
1444BOOT: 1732BOOT:
1445{ 1733{
1446 int i; 1734 int i;
1447 1735
1448 sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); 1736 sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1449 sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); 1737 sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1450 av_async_pool = get_av ("Coro::async_pool", TRUE); 1738 av_async_pool = coro_get_av ("Coro::async_pool", TRUE);
1451 1739
1452 coro_current = get_sv ("Coro::current", FALSE); 1740 coro_current = coro_get_sv ("Coro::current", FALSE);
1453 SvREADONLY_on (coro_current); 1741 SvREADONLY_on (coro_current);
1454 1742
1455 coro_stash = gv_stashpv ("Coro", TRUE); 1743 coro_stash = gv_stashpv ("Coro", TRUE);
1456 1744
1457 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 1745 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1458 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 1746 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1459 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); 1747 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1460 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); 1748 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
… …
1463 1751
1464 for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) 1752 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1465 coro_ready[i] = newAV (); 1753 coro_ready[i] = newAV ();
1466 1754
1467 { 1755 {
1468 SV *sv = perl_get_sv("Coro::API", 1); 1756 SV *sv = perl_get_sv ("Coro::API", TRUE);
1757 perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1469 1758
1470 coroapi.schedule = api_schedule; 1759 coroapi.schedule = api_schedule;
1471 coroapi.save = api_save;
1472 coroapi.cede = api_cede; 1760 coroapi.cede = api_cede;
1473 coroapi.cede_notself = api_cede_notself; 1761 coroapi.cede_notself = api_cede_notself;
1474 coroapi.ready = api_ready; 1762 coroapi.ready = api_ready;
1475 coroapi.is_ready = api_is_ready; 1763 coroapi.is_ready = api_is_ready;
1476 coroapi.nready = &coro_nready; 1764 coroapi.nready = &coro_nready;
… …
1525 CODE: 1813 CODE:
1526 RETVAL = coro_nready; 1814 RETVAL = coro_nready;
1527 OUTPUT: 1815 OUTPUT:
1528 RETVAL 1816 RETVAL
1529 1817
1818void
1819throw (Coro::State self, SV *throw = &PL_sv_undef)
1820 PROTOTYPE: $;$
1821 CODE:
1822 SvREFCNT_dec (self->throw);
1823 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1824
1530# for async_pool speedup 1825# for async_pool speedup
1531SV * 1826void
1532_pool_1 (...) 1827_pool_1 (SV *cb)
1533 CODE: 1828 CODE:
1534{ 1829{
1535 int i, len; 1830 struct coro *coro = SvSTATE (coro_current);
1536 HV *hv = (HV *)SvRV (coro_current); 1831 HV *hv = (HV *)SvRV (coro_current);
1537 AV *defav = GvAV (PL_defgv); 1832 AV *defav = GvAV (PL_defgv);
1538 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); 1833 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1539 AV *invoke_av; 1834 AV *invoke_av;
1835 int i, len;
1540 1836
1541 if (!invoke) 1837 if (!invoke)
1542 XSRETURN_EMPTY; 1838 croak ("\3async_pool terminate\2\n");
1839
1840 SvREFCNT_dec (coro->saved_deffh);
1841 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1543 1842
1544 hv_store (hv, "desc", sizeof ("desc") - 1, 1843 hv_store (hv, "desc", sizeof ("desc") - 1,
1545 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); 1844 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1546 1845
1547 invoke_av = (AV *)SvRV (invoke); 1846 invoke_av = (AV *)SvRV (invoke);
1548 len = av_len (invoke_av); 1847 len = av_len (invoke_av);
1549 1848
1550 RETVAL = SvREFCNT_inc (AvARRAY (invoke_av)[0]); 1849 sv_setsv (cb, AvARRAY (invoke_av)[0]);
1551 1850
1552 if (len > 0) 1851 if (len > 0)
1553 { 1852 {
1554 av_clear (defav);
1555 av_extend (defav, len); 1853 av_fill (defav, len - 1);
1556 for (i = 0; i < len; ++i) 1854 for (i = 0; i < len; ++i)
1557 av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); 1855 av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
1558 } 1856 }
1559 1857
1560 SvREFCNT_dec (invoke); 1858 SvREFCNT_dec (invoke);
1561} 1859}
1562 OUTPUT:
1563 RETVAL
1564 1860
1565void 1861void
1566_pool_2 (...) 1862_pool_2 (SV *cb)
1567 CODE: 1863 CODE:
1568{ 1864{
1569 struct coro *coro = SvSTATE (coro_current); 1865 struct coro *coro = SvSTATE (coro_current);
1570 1866
1867 sv_setsv (cb, &PL_sv_undef);
1868
1869 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1870 coro->saved_deffh = 0;
1871
1571 if (coro_rss (coro) > SvIV (sv_pool_rss) 1872 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1572 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 1873 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1573 XSRETURN_YES; 1874 croak ("\3async_pool terminate\2\n");
1574 1875
1575 av_clear (GvAV (PL_defgv)); 1876 av_clear (GvAV (PL_defgv));
1576 hv_store (SvRV (coro_current), "desc", sizeof ("desc") - 1, 1877 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1577 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); 1878 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1578 coro->save = CORO_SAVE_DEF; 1879
1579 coro->prio = 0; 1880 coro->prio = 0;
1881
1882 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1883 api_trace (coro_current, 0);
1884
1580 av_push (av_async_pool, newSVsv (coro_current)); 1885 av_push (av_async_pool, newSVsv (coro_current));
1581
1582 XSRETURN_NO;
1583} 1886}
1584 1887
1585 1888
1586MODULE = Coro::State PACKAGE = Coro::AIO 1889MODULE = Coro::State PACKAGE = Coro::AIO
1587 1890

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