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Comparing Coro/Coro/State.xs (file contents):
Revision 1.190 by root, Fri Oct 5 20:39:39 2007 UTC vs.
Revision 1.212 by root, Wed Oct 10 04:21:33 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
9#include "patchlevel.h" 10#include "patchlevel.h"
10 11
11#include <stdio.h> 12#include <stdio.h>
12#include <errno.h> 13#include <errno.h>
13#include <assert.h> 14#include <assert.h>
15#include <inttypes.h> /* portable stdint.h */
14 16
15#ifdef HAVE_MMAP 17#ifdef HAVE_MMAP
16# include <unistd.h> 18# include <unistd.h>
17# include <sys/mman.h> 19# include <sys/mman.h>
18# ifndef MAP_ANONYMOUS 20# ifndef MAP_ANONYMOUS
79 81
80/* 5.8.8 */ 82/* 5.8.8 */
81#ifndef GV_NOTQUAL 83#ifndef GV_NOTQUAL
82# define GV_NOTQUAL 0 84# define GV_NOTQUAL 0
83#endif 85#endif
86#ifndef newSV
87# define newSV(l) NEWSV(0,l)
88#endif
84 89
85#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 90#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
86# undef CORO_STACKGUARD 91# undef CORO_STACKGUARD
87#endif 92#endif
88 93
103#define IN_DESTRUCT (PL_main_cv == Nullcv) 108#define IN_DESTRUCT (PL_main_cv == Nullcv)
104 109
105#if __GNUC__ >= 3 110#if __GNUC__ >= 3
106# define attribute(x) __attribute__(x) 111# define attribute(x) __attribute__(x)
107# define BARRIER __asm__ __volatile__ ("" : : : "memory") 112# define BARRIER __asm__ __volatile__ ("" : : : "memory")
113# define expect(expr,value) __builtin_expect ((expr),(value))
108#else 114#else
109# define attribute(x) 115# define attribute(x)
110# define BARRIER 116# define BARRIER
117# define expect(expr,value) (expr)
111#endif 118#endif
119
120#define expect_false(expr) expect ((expr) != 0, 0)
121#define expect_true(expr) expect ((expr) != 0, 1)
112 122
113#define NOINLINE attribute ((noinline)) 123#define NOINLINE attribute ((noinline))
114 124
115#include "CoroAPI.h" 125#include "CoroAPI.h"
116 126
139static HV *coro_state_stash, *coro_stash; 149static HV *coro_state_stash, *coro_stash;
140static SV *coro_mortal; /* will be freed after next transfer */ 150static SV *coro_mortal; /* will be freed after next transfer */
141 151
142static GV *irsgv; /* $/ */ 152static GV *irsgv; /* $/ */
143static GV *stdoutgv; /* *STDOUT */ 153static GV *stdoutgv; /* *STDOUT */
154
155static HV *hv_sig; /* %SIG */
156static SV *sv_diehook;
157static SV *sv_warnhook;
144 158
145/* async_pool helper stuff */ 159/* async_pool helper stuff */
146static SV *sv_pool_rss; 160static SV *sv_pool_rss;
147static SV *sv_pool_size; 161static SV *sv_pool_size;
148static AV *av_async_pool; 162static AV *av_async_pool;
184 CF_READY = 0x0002, /* coroutine is ready */ 198 CF_READY = 0x0002, /* coroutine is ready */
185 CF_NEW = 0x0004, /* has never been switched to */ 199 CF_NEW = 0x0004, /* has never been switched to */
186 CF_DESTROYED = 0x0008, /* coroutine data has been freed */ 200 CF_DESTROYED = 0x0008, /* coroutine data has been freed */
187}; 201};
188 202
203/* the structure where most of the perl state is stored, overlaid on the cxstack */
204typedef struct {
205 SV *defsv;
206 AV *defav;
207 SV *errsv;
208 SV *irsgv;
209#define VAR(name,type) type name;
210# include "state.h"
211#undef VAR
212} perl_slots;
213
214#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
215
189/* this is a structure representing a perl-level coroutine */ 216/* this is a structure representing a perl-level coroutine */
190struct coro { 217struct coro {
191 /* the c coroutine allocated to this perl coroutine, if any */ 218 /* the c coroutine allocated to this perl coroutine, if any */
192 coro_cctx *cctx; 219 coro_cctx *cctx;
193 220
221 /* process data */
222 AV *mainstack;
223 perl_slots *slot; /* basically the saved sp */
224
194 /* data associated with this coroutine (initial args) */ 225 AV *args; /* data associated with this coroutine (initial args) */
195 AV *args; 226 int refcnt; /* coroutines are refcounted, yes */
196 int refcnt;
197 int flags; /* CF_ flags */ 227 int flags; /* CF_ flags */
198 228 HV *hv; /* the perl hash associated with this coro, if any */
199 /* optionally saved, might be zero */
200 AV *defav; /* @_ */
201 SV *defsv; /* $_ */
202 SV *errsv; /* $@ */
203 SV *deffh; /* default filehandle */
204 SV *irssv; /* $/ */
205 SV *irssv_sv; /* real $/ cache */
206
207#define VAR(name,type) type name;
208# include "state.h"
209#undef VAR
210 229
211 /* statistics */ 230 /* statistics */
212 int usecount; /* number of transfers to this coro */ 231 int usecount; /* number of transfers to this coro */
213 232
214 /* coro process data */ 233 /* coro process data */
215 int prio; 234 int prio;
216 //SV *throw; 235 SV *throw; /* exception to be thrown */
217 236
218 /* async_pool */ 237 /* async_pool */
219 SV *saved_deffh; 238 SV *saved_deffh;
220 239
221 /* linked list */ 240 /* linked list */
222 struct coro *next, *prev; 241 struct coro *next, *prev;
223 HV *hv; /* the perl hash associated with this coro, if any */
224}; 242};
225 243
226typedef struct coro *Coro__State; 244typedef struct coro *Coro__State;
227typedef struct coro *Coro__State_or_hashref; 245typedef struct coro *Coro__State_or_hashref;
228 246
240static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 258static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
241static int coro_nready; 259static int coro_nready;
242static struct coro *coro_first; 260static struct coro *coro_first;
243 261
244/** lowlevel stuff **********************************************************/ 262/** lowlevel stuff **********************************************************/
263
264static SV *
265coro_get_sv (const char *name, int create)
266{
267#if PERL_VERSION_ATLEAST (5,9,0)
268 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
269 get_sv (name, create);
270#endif
271 return get_sv (name, create);
272}
273
274static AV *
275coro_get_av (const char *name, int create)
276{
277#if PERL_VERSION_ATLEAST (5,9,0)
278 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
279 get_av (name, create);
280#endif
281 return get_av (name, create);
282}
283
284static HV *
285coro_get_hv (const char *name, int create)
286{
287#if PERL_VERSION_ATLEAST (5,9,0)
288 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
289 get_hv (name, create);
290#endif
291 return get_hv (name, create);
292}
245 293
246static AV * 294static AV *
247coro_clone_padlist (pTHX_ CV *cv) 295coro_clone_padlist (pTHX_ CV *cv)
248{ 296{
249 AV *padlist = CvPADLIST (cv); 297 AV *padlist = CvPADLIST (cv);
322 MAGIC *mg; 370 MAGIC *mg;
323 371
324 if (SvROK (coro)) 372 if (SvROK (coro))
325 coro = SvRV (coro); 373 coro = SvRV (coro);
326 374
327 if (SvTYPE (coro) != SVt_PVHV) 375 if (expect_false (SvTYPE (coro) != SVt_PVHV))
328 croak ("Coro::State object required"); 376 croak ("Coro::State object required");
329 377
330 stash = SvSTASH (coro); 378 stash = SvSTASH (coro);
331 if (stash != coro_stash && stash != coro_state_stash) 379 if (expect_false (stash != coro_stash && stash != coro_state_stash))
332 { 380 {
333 /* very slow, but rare, check */ 381 /* very slow, but rare, check */
334 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) 382 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
335 croak ("Coro::State object required"); 383 croak ("Coro::State object required");
336 } 384 }
346get_padlist (pTHX_ CV *cv) 394get_padlist (pTHX_ CV *cv)
347{ 395{
348 MAGIC *mg = CORO_MAGIC (cv); 396 MAGIC *mg = CORO_MAGIC (cv);
349 AV *av; 397 AV *av;
350 398
351 if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) 399 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
352 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 400 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
353 else 401 else
354 { 402 {
355#if CORO_PREFER_PERL_FUNCTIONS 403#if CORO_PREFER_PERL_FUNCTIONS
356 /* this is probably cleaner, but also slower? */ 404 /* this is probably cleaner, but also slower? */
368put_padlist (pTHX_ CV *cv) 416put_padlist (pTHX_ CV *cv)
369{ 417{
370 MAGIC *mg = CORO_MAGIC (cv); 418 MAGIC *mg = CORO_MAGIC (cv);
371 AV *av; 419 AV *av;
372 420
373 if (!mg) 421 if (expect_false (!mg))
374 { 422 {
375 sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); 423 sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
376 mg = mg_find ((SV *)cv, PERL_MAGIC_coro); 424 mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
377 mg->mg_virtual = &vtbl_coro; 425 mg->mg_virtual = &vtbl_coro;
378 mg->mg_obj = (SV *)newAV (); 426 mg->mg_obj = (SV *)newAV ();
379 } 427 }
380 428
381 av = (AV *)mg->mg_obj; 429 av = (AV *)mg->mg_obj;
382 430
383 if (AvFILLp (av) >= AvMAX (av)) 431 if (expect_false (AvFILLp (av) >= AvMAX (av)))
384 av_extend (av, AvMAX (av) + 1); 432 av_extend (av, AvMAX (av) + 1);
385 433
386 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 434 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
387} 435}
388 436
389/** load & save, init *******************************************************/ 437/** load & save, init *******************************************************/
390 438
391static void 439static void
392load_perl (pTHX_ Coro__State c) 440load_perl (pTHX_ Coro__State c)
393{ 441{
442 perl_slots *slot = c->slot;
443 c->slot = 0;
444
445 PL_mainstack = c->mainstack;
446
447 GvSV (PL_defgv) = slot->defsv;
448 GvAV (PL_defgv) = slot->defav;
449 GvSV (PL_errgv) = slot->errsv;
450 GvSV (irsgv) = slot->irsgv;
451
394#define VAR(name,type) PL_ ## name = c->name; 452 #define VAR(name,type) PL_ ## name = slot->name;
395# include "state.h" 453 # include "state.h"
396#undef VAR 454 #undef VAR
397 455
398 GvSV (PL_defgv) = c->defsv; 456 /*hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);*/
399 GvAV (PL_defgv) = c->defav; 457 /*hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);*/
400 GvSV (PL_errgv) = c->errsv;
401 GvSV (irsgv) = c->irssv_sv;
402 458
403 { 459 {
404 dSP; 460 dSP;
461
405 CV *cv; 462 CV *cv;
406 463
407 /* now do the ugly restore mess */ 464 /* now do the ugly restore mess */
408 while ((cv = (CV *)POPs)) 465 while (expect_true (cv = (CV *)POPs))
409 { 466 {
410 put_padlist (aTHX_ cv); /* mark this padlist as available */ 467 put_padlist (aTHX_ cv); /* mark this padlist as available */
411 CvDEPTH (cv) = PTR2IV (POPs); 468 CvDEPTH (cv) = PTR2IV (POPs);
412 CvPADLIST (cv) = (AV *)POPs; 469 CvPADLIST (cv) = (AV *)POPs;
413 } 470 }
432 489
433 XPUSHs (Nullsv); 490 XPUSHs (Nullsv);
434 /* this loop was inspired by pp_caller */ 491 /* this loop was inspired by pp_caller */
435 for (;;) 492 for (;;)
436 { 493 {
437 while (cxix >= 0) 494 while (expect_true (cxix >= 0))
438 { 495 {
439 PERL_CONTEXT *cx = &ccstk[cxix--]; 496 PERL_CONTEXT *cx = &ccstk[cxix--];
440 497
441 if (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT) 498 if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT))
442 { 499 {
443 CV *cv = cx->blk_sub.cv; 500 CV *cv = cx->blk_sub.cv;
444 501
445 if (CvDEPTH (cv)) 502 if (expect_true (CvDEPTH (cv)))
446 { 503 {
447 EXTEND (SP, 3); 504 EXTEND (SP, 3);
448 PUSHs ((SV *)CvPADLIST (cv)); 505 PUSHs ((SV *)CvPADLIST (cv));
449 PUSHs (INT2PTR (SV *, CvDEPTH (cv))); 506 PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
450 PUSHs ((SV *)cv); 507 PUSHs ((SV *)cv);
453 get_padlist (aTHX_ cv); 510 get_padlist (aTHX_ cv);
454 } 511 }
455 } 512 }
456 } 513 }
457 514
458 if (top_si->si_type == PERLSI_MAIN) 515 if (expect_true (top_si->si_type == PERLSI_MAIN))
459 break; 516 break;
460 517
461 top_si = top_si->si_prev; 518 top_si = top_si->si_prev;
462 ccstk = top_si->si_cxstack; 519 ccstk = top_si->si_cxstack;
463 cxix = top_si->si_cxix; 520 cxix = top_si->si_cxix;
464 } 521 }
465 522
466 PUTBACK; 523 PUTBACK;
467 } 524 }
468 525
526 /* allocate some space on the context stack for our purposes */
527 /* we manually unroll here, as usually 2 slots is enough */
528 if (SLOT_COUNT >= 1) CXINC;
529 if (SLOT_COUNT >= 2) CXINC;
530 if (SLOT_COUNT >= 3) CXINC;
531 {
532 int i;
533 for (i = 3; i < SLOT_COUNT; ++i)
534 CXINC;
535 }
536 cxstack_ix -= SLOT_COUNT; /* undo allocation */
537
538 c->mainstack = PL_mainstack;
539
540 {
541 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
542
469 c->defav = GvAV (PL_defgv); 543 slot->defav = GvAV (PL_defgv);
470 c->defsv = DEFSV; 544 slot->defsv = DEFSV;
471 c->errsv = ERRSV; 545 slot->errsv = ERRSV;
472 c->irssv_sv = GvSV (irsgv); 546 slot->irsgv = GvSV (irsgv);
473 547
474#define VAR(name,type)c->name = PL_ ## name; 548 #define VAR(name,type) slot->name = PL_ ## name;
475# include "state.h" 549 # include "state.h"
476#undef VAR 550 #undef VAR
551 }
477} 552}
478 553
479/* 554/*
480 * allocate various perl stacks. This is an exact copy 555 * allocate various perl stacks. This is an exact copy
481 * of perl.c:init_stacks, except that it uses less memory 556 * of perl.c:init_stacks, except that it uses less memory
486# define coro_init_stacks init_stacks 561# define coro_init_stacks init_stacks
487#else 562#else
488static void 563static void
489coro_init_stacks (pTHX) 564coro_init_stacks (pTHX)
490{ 565{
491 PL_curstackinfo = new_stackinfo(64, 6); 566 PL_curstackinfo = new_stackinfo(32, 8);
492 PL_curstackinfo->si_type = PERLSI_MAIN; 567 PL_curstackinfo->si_type = PERLSI_MAIN;
493 PL_curstack = PL_curstackinfo->si_stack; 568 PL_curstack = PL_curstackinfo->si_stack;
494 PL_mainstack = PL_curstack; /* remember in case we switch stacks */ 569 PL_mainstack = PL_curstack; /* remember in case we switch stacks */
495 570
496 PL_stack_base = AvARRAY(PL_curstack); 571 PL_stack_base = AvARRAY(PL_curstack);
497 PL_stack_sp = PL_stack_base; 572 PL_stack_sp = PL_stack_base;
498 PL_stack_max = PL_stack_base + AvMAX(PL_curstack); 573 PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
499 574
500 New(50,PL_tmps_stack,64,SV*); 575 New(50,PL_tmps_stack,32,SV*);
501 PL_tmps_floor = -1; 576 PL_tmps_floor = -1;
502 PL_tmps_ix = -1; 577 PL_tmps_ix = -1;
503 PL_tmps_max = 64; 578 PL_tmps_max = 32;
504 579
505 New(54,PL_markstack,16,I32); 580 New(54,PL_markstack,16,I32);
506 PL_markstack_ptr = PL_markstack; 581 PL_markstack_ptr = PL_markstack;
507 PL_markstack_max = PL_markstack + 16; 582 PL_markstack_max = PL_markstack + 16;
508 583
509#ifdef SET_MARK_OFFSET 584#ifdef SET_MARK_OFFSET
510 SET_MARK_OFFSET; 585 SET_MARK_OFFSET;
511#endif 586#endif
512 587
513 New(54,PL_scopestack,16,I32); 588 New(54,PL_scopestack,8,I32);
514 PL_scopestack_ix = 0; 589 PL_scopestack_ix = 0;
515 PL_scopestack_max = 16; 590 PL_scopestack_max = 8;
516 591
517 New(54,PL_savestack,64,ANY); 592 New(54,PL_savestack,24,ANY);
518 PL_savestack_ix = 0; 593 PL_savestack_ix = 0;
519 PL_savestack_max = 64; 594 PL_savestack_max = 24;
520 595
521#if !PERL_VERSION_ATLEAST (5,9,0) 596#if !PERL_VERSION_ATLEAST (5,9,0)
522 New(54,PL_retstack,4,OP*); 597 New(54,PL_retstack,4,OP*);
523 PL_retstack_ix = 0; 598 PL_retstack_ix = 0;
524 PL_retstack_max = 4; 599 PL_retstack_max = 4;
561{ 636{
562 size_t rss = sizeof (*coro); 637 size_t rss = sizeof (*coro);
563 638
564 if (coro->mainstack) 639 if (coro->mainstack)
565 { 640 {
641 perl_slots tmp_slot;
642 perl_slots *slot;
643
566 if (coro->flags & CF_RUNNING) 644 if (coro->flags & CF_RUNNING)
567 { 645 {
646 slot = &tmp_slot;
647
568 #define VAR(name,type)coro->name = PL_ ## name; 648 #define VAR(name,type) slot->name = PL_ ## name;
569 # include "state.h" 649 # include "state.h"
570 #undef VAR 650 #undef VAR
571 } 651 }
652 else
653 slot = coro->slot;
572 654
573 rss += sizeof (coro->curstackinfo); 655 rss += sizeof (slot->curstackinfo);
574 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
575 rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); 656 rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
576 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); 657 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
577 rss += coro->tmps_max * sizeof (SV *); 658 rss += slot->tmps_max * sizeof (SV *);
578 rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); 659 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
579 rss += coro->scopestack_max * sizeof (I32); 660 rss += slot->scopestack_max * sizeof (I32);
580 rss += coro->savestack_max * sizeof (ANY); 661 rss += slot->savestack_max * sizeof (ANY);
581 662
582#if !PERL_VERSION_ATLEAST (5,9,0) 663#if !PERL_VERSION_ATLEAST (5,9,0)
583 rss += coro->retstack_max * sizeof (OP *); 664 rss += slot->retstack_max * sizeof (OP *);
584#endif 665#endif
585 } 666 }
586 667
587 return rss; 668 return rss;
588} 669}
600 PL_runops = RUNOPS_DEFAULT; 681 PL_runops = RUNOPS_DEFAULT;
601 PL_curcop = &PL_compiling; 682 PL_curcop = &PL_compiling;
602 PL_in_eval = EVAL_NULL; 683 PL_in_eval = EVAL_NULL;
603 PL_comppad = 0; 684 PL_comppad = 0;
604 PL_curpm = 0; 685 PL_curpm = 0;
686 PL_curpad = 0;
605 PL_localizing = 0; 687 PL_localizing = 0;
606 PL_dirty = 0; 688 PL_dirty = 0;
607 PL_restartop = 0; 689 PL_restartop = 0;
690 PL_diehook = 0; hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);
691 PL_warnhook = 0; hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);
608 692
609 GvSV (PL_defgv) = NEWSV (0, 0); 693 GvSV (PL_defgv) = newSV (0);
610 GvAV (PL_defgv) = coro->args; coro->args = 0; 694 GvAV (PL_defgv) = coro->args; coro->args = 0;
611 GvSV (PL_errgv) = NEWSV (0, 0); 695 GvSV (PL_errgv) = newSV (0);
612 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 696 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
613 PL_rs = newSVsv (GvSV (irsgv)); 697 PL_rs = newSVsv (GvSV (irsgv));
614 PL_defoutgv = SvREFCNT_inc (stdoutgv); 698 PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
615 699
616 { 700 {
617 dSP; 701 dSP;
618 LOGOP myop; 702 LOGOP myop;
619 703
620 Zero (&myop, 1, LOGOP); 704 Zero (&myop, 1, LOGOP);
621 myop.op_next = Nullop; 705 myop.op_next = Nullop;
622 myop.op_flags = OPf_WANT_VOID; 706 myop.op_flags = OPf_WANT_VOID;
623 707
624 PUSHMARK (SP); 708 PUSHMARK (SP);
625 XPUSHs (av_shift (GvAV (PL_defgv))); 709 XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
626 PUTBACK; 710 PUTBACK;
627 PL_op = (OP *)&myop; 711 PL_op = (OP *)&myop;
628 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 712 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
629 SPAGAIN; 713 SPAGAIN;
630 } 714 }
631 715
632 ENTER; /* necessary e.g. for dounwind */ 716 /* this newly created coroutine might be run on an existing cctx which most
717 * likely was suspended in set_stacklevel, called from entersub.
718 * set_stacklevl doesn't do anything on return, but entersub does LEAVE,
719 * so we ENTER here for symmetry
720 */
721 ENTER;
633} 722}
634 723
635static void 724static void
636coro_destroy (pTHX_ struct coro *coro) 725coro_destroy (pTHX_ struct coro *coro)
637{ 726{
657 SvREFCNT_dec (GvSV (PL_errgv)); 746 SvREFCNT_dec (GvSV (PL_errgv));
658 SvREFCNT_dec (PL_defoutgv); 747 SvREFCNT_dec (PL_defoutgv);
659 SvREFCNT_dec (PL_rs); 748 SvREFCNT_dec (PL_rs);
660 SvREFCNT_dec (GvSV (irsgv)); 749 SvREFCNT_dec (GvSV (irsgv));
661 750
751 SvREFCNT_dec (PL_diehook);
752 SvREFCNT_dec (PL_warnhook);
753
662 SvREFCNT_dec (coro->saved_deffh); 754 SvREFCNT_dec (coro->saved_deffh);
663 //SvREFCNT_dec (coro->throw); 755 SvREFCNT_dec (coro->throw);
664 756
665 coro_destroy_stacks (aTHX); 757 coro_destroy_stacks (aTHX);
666} 758}
667 759
668static void 760static void
669free_coro_mortal (pTHX) 761free_coro_mortal (pTHX)
670{ 762{
671 if (coro_mortal) 763 if (expect_true (coro_mortal))
672 { 764 {
673 SvREFCNT_dec (coro_mortal); 765 SvREFCNT_dec (coro_mortal);
674 coro_mortal = 0; 766 coro_mortal = 0;
675 } 767 }
676} 768}
705 bot = PL_stack_base + cx->blk_oldsp + 1; 797 bot = PL_stack_base + cx->blk_oldsp + 1;
706 top = cx->blk_gimme == G_ARRAY ? SP + 1 798 top = cx->blk_gimme == G_ARRAY ? SP + 1
707 : cx->blk_gimme == G_SCALAR ? bot + 1 799 : cx->blk_gimme == G_SCALAR ? bot + 1
708 : bot; 800 : bot;
709 801
802 av_extend (av, top - bot);
710 while (bot < top) 803 while (bot < top)
711 av_push (av, SvREFCNT_inc (*bot++)); 804 av_push (av, SvREFCNT_inc (*bot++));
712 805
713 PL_runops = RUNOPS_DEFAULT; 806 PL_runops = RUNOPS_DEFAULT;
714 ENTER; 807 ENTER;
800 893
801/* inject a fake call to Coro::State::_cctx_init into the execution */ 894/* inject a fake call to Coro::State::_cctx_init into the execution */
802/* _cctx_init should be careful, as it could be called at almost any time */ 895/* _cctx_init should be careful, as it could be called at almost any time */
803/* during execution of a perl program */ 896/* during execution of a perl program */
804static void NOINLINE 897static void NOINLINE
805prepare_cctx (pTHX_ coro_cctx *cctx) 898cctx_prepare (pTHX_ coro_cctx *cctx)
806{ 899{
807 dSP; 900 dSP;
808 LOGOP myop; 901 LOGOP myop;
809 902
810 PL_top_env = &PL_start_env; 903 PL_top_env = &PL_start_env;
828 921
829/* 922/*
830 * this is a _very_ stripped down perl interpreter ;) 923 * this is a _very_ stripped down perl interpreter ;)
831 */ 924 */
832static void 925static void
833coro_run (void *arg) 926cctx_run (void *arg)
834{ 927{
835 dTHX; 928 dTHX;
836 929
837 /* coro_run is the alternative tail of transfer(), so unlock here. */ 930 /* cctx_run is the alternative tail of transfer(), so unlock here. */
838 UNLOCK; 931 UNLOCK;
839 932
840 /* we now skip the entersub that lead to transfer() */ 933 /* we now skip the entersub that lead to transfer() */
841 PL_op = PL_op->op_next; 934 PL_op = PL_op->op_next;
842 935
843 /* inject a fake subroutine call to cctx_init */ 936 /* inject a fake subroutine call to cctx_init */
844 prepare_cctx (aTHX_ (coro_cctx *)arg); 937 cctx_prepare (aTHX_ (coro_cctx *)arg);
845 938
846 /* somebody or something will hit me for both perl_run and PL_restartop */ 939 /* somebody or something will hit me for both perl_run and PL_restartop */
847 PL_restartop = PL_op; 940 PL_restartop = PL_op;
848 perl_run (PL_curinterp); 941 perl_run (PL_curinterp);
849 942
868 ++cctx_count; 961 ++cctx_count;
869 962
870 Newz (0, cctx, 1, coro_cctx); 963 Newz (0, cctx, 1, coro_cctx);
871 964
872#if HAVE_MMAP 965#if HAVE_MMAP
873
874 cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; 966 cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
875 /* mmap supposedly does allocate-on-write for us */ 967 /* mmap supposedly does allocate-on-write for us */
876 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); 968 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
877 969
878 if (cctx->sptr != (void *)-1) 970 if (cctx->sptr != (void *)-1)
899 stack_start = cctx->sptr; 991 stack_start = cctx->sptr;
900 stack_size = cctx->ssize; 992 stack_size = cctx->ssize;
901 } 993 }
902 994
903 REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); 995 REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size);
904 coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size); 996 coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
905 997
906 return cctx; 998 return cctx;
907} 999}
908 1000
909static void 1001static void
926 Safefree (cctx->sptr); 1018 Safefree (cctx->sptr);
927 1019
928 Safefree (cctx); 1020 Safefree (cctx);
929} 1021}
930 1022
1023/* wether this cctx should be destructed */
1024#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE))
1025
931static coro_cctx * 1026static coro_cctx *
932cctx_get (pTHX) 1027cctx_get (pTHX)
933{ 1028{
934 while (cctx_first) 1029 while (expect_true (cctx_first))
935 { 1030 {
936 coro_cctx *cctx = cctx_first; 1031 coro_cctx *cctx = cctx_first;
937 cctx_first = cctx->next; 1032 cctx_first = cctx->next;
938 --cctx_idle; 1033 --cctx_idle;
939 1034
940 if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE)) 1035 if (expect_true (!CCTX_EXPIRED (cctx)))
941 return cctx; 1036 return cctx;
942 1037
943 cctx_destroy (cctx); 1038 cctx_destroy (cctx);
944 } 1039 }
945 1040
948 1043
949static void 1044static void
950cctx_put (coro_cctx *cctx) 1045cctx_put (coro_cctx *cctx)
951{ 1046{
952 /* free another cctx if overlimit */ 1047 /* free another cctx if overlimit */
953 if (cctx_idle >= MAX_IDLE_CCTX) 1048 if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
954 { 1049 {
955 coro_cctx *first = cctx_first; 1050 coro_cctx *first = cctx_first;
956 cctx_first = first->next; 1051 cctx_first = first->next;
957 --cctx_idle; 1052 --cctx_idle;
958 1053
964 cctx_first = cctx; 1059 cctx_first = cctx;
965} 1060}
966 1061
967/** coroutine switching *****************************************************/ 1062/** coroutine switching *****************************************************/
968 1063
969static void NOINLINE 1064static void
970transfer_check (pTHX_ struct coro *prev, struct coro *next) 1065transfer_check (pTHX_ struct coro *prev, struct coro *next)
971{ 1066{
972 if (prev != next) 1067 if (expect_true (prev != next))
973 { 1068 {
974 if (!(prev->flags & (CF_RUNNING | CF_NEW))) 1069 if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
975 croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); 1070 croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
976 1071
977 if (next->flags & CF_RUNNING) 1072 if (expect_false (next->flags & CF_RUNNING))
978 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); 1073 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
979 1074
980 if (next->flags & CF_DESTROYED) 1075 if (expect_false (next->flags & CF_DESTROYED))
981 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); 1076 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
982 1077
1078 if (
1079#if PERL_VERSION_ATLEAST (5,9,0)
1080 expect_false (PL_parser)
1081#else
983 if (PL_lex_state != LEX_NOTPARSING) 1082 expect_false (PL_lex_state != LEX_NOTPARSING)
1083#endif
1084 )
984 croak ("Coro::State::transfer called while parsing, but this is not supported"); 1085 croak ("Coro::State::transfer called while parsing, but this is not supported");
985 } 1086 }
986} 1087}
987 1088
988/* always use the TRANSFER macro */ 1089/* always use the TRANSFER macro */
990transfer (pTHX_ struct coro *prev, struct coro *next) 1091transfer (pTHX_ struct coro *prev, struct coro *next)
991{ 1092{
992 dSTACKLEVEL; 1093 dSTACKLEVEL;
993 1094
994 /* sometimes transfer is only called to set idle_sp */ 1095 /* sometimes transfer is only called to set idle_sp */
995 if (!next) 1096 if (expect_false (!next))
996 { 1097 {
997 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1098 ((coro_cctx *)prev)->idle_sp = STACKLEVEL;
998 assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ 1099 assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
999 } 1100 }
1000 else if (prev != next) 1101 else if (expect_true (prev != next))
1001 { 1102 {
1002 coro_cctx *prev__cctx; 1103 coro_cctx *prev__cctx;
1003 1104
1004 if (prev->flags & CF_NEW) 1105 if (expect_false (prev->flags & CF_NEW))
1005 { 1106 {
1006 /* create a new empty context */ 1107 /* create a new empty context */
1007 Newz (0, prev->cctx, 1, coro_cctx); 1108 Newz (0, prev->cctx, 1, coro_cctx);
1008 prev->flags &= ~CF_NEW; 1109 prev->flags &= ~CF_NEW;
1009 prev->flags |= CF_RUNNING; 1110 prev->flags |= CF_RUNNING;
1012 prev->flags &= ~CF_RUNNING; 1113 prev->flags &= ~CF_RUNNING;
1013 next->flags |= CF_RUNNING; 1114 next->flags |= CF_RUNNING;
1014 1115
1015 LOCK; 1116 LOCK;
1016 1117
1017 if (next->flags & CF_NEW) 1118 if (expect_false (next->flags & CF_NEW))
1018 { 1119 {
1019 /* need to start coroutine */ 1120 /* need to start coroutine */
1020 next->flags &= ~CF_NEW; 1121 next->flags &= ~CF_NEW;
1021 /* first get rid of the old state */ 1122 /* first get rid of the old state */
1022 save_perl (aTHX_ prev); 1123 save_perl (aTHX_ prev);
1031 } 1132 }
1032 1133
1033 prev__cctx = prev->cctx; 1134 prev__cctx = prev->cctx;
1034 1135
1035 /* possibly "free" the cctx */ 1136 /* possibly "free" the cctx */
1036 if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)) 1137 if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))
1037 { 1138 {
1038 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1139 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1039 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 1140 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1040 1141
1041 prev->cctx = 0; 1142 prev->cctx = 0;
1042 1143
1144 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
1145 /* without this the next cctx_get might destroy the prev__cctx while still in use */
1146 if (expect_false (CCTX_EXPIRED (prev__cctx)))
1147 if (!next->cctx)
1148 next->cctx = cctx_get (aTHX);
1149
1043 cctx_put (prev__cctx); 1150 cctx_put (prev__cctx);
1044 } 1151 }
1045 1152
1046 ++next->usecount; 1153 ++next->usecount;
1047 1154
1048 if (!next->cctx) 1155 if (expect_true (!next->cctx))
1049 next->cctx = cctx_get (aTHX); 1156 next->cctx = cctx_get (aTHX);
1050 1157
1051 if (prev__cctx != next->cctx) 1158 if (expect_false (prev__cctx != next->cctx))
1052 { 1159 {
1053 prev__cctx->top_env = PL_top_env; 1160 prev__cctx->top_env = PL_top_env;
1054 PL_top_env = next->cctx->top_env; 1161 PL_top_env = next->cctx->top_env;
1055 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); 1162 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1056 } 1163 }
1057 1164
1058 free_coro_mortal (aTHX); 1165 free_coro_mortal (aTHX);
1059 UNLOCK; 1166 UNLOCK;
1167
1168 if (expect_false (prev->throw || next->throw))
1169 {
1170 struct coro *coro = SvSTATE (coro_current);
1171
1172 if (coro->throw)
1173 {
1174 SV *exception = coro->throw;
1175 coro->throw = 0;
1176 sv_setsv (ERRSV, exception);
1177 croak (0);
1178 }
1179 }
1060 } 1180 }
1061} 1181}
1062 1182
1063struct transfer_args 1183struct transfer_args
1064{ 1184{
1099 save_perl (aTHX_ &temp); 1219 save_perl (aTHX_ &temp);
1100 load_perl (aTHX_ coro); 1220 load_perl (aTHX_ coro);
1101 1221
1102 coro_destroy (aTHX_ coro); 1222 coro_destroy (aTHX_ coro);
1103 1223
1104 load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ 1224 load_perl (aTHX_ &temp);
1105 1225
1106 coro->mainstack = 0; 1226 coro->slot = 0;
1107 } 1227 }
1108 1228
1109 cctx_destroy (coro->cctx); 1229 cctx_destroy (coro->cctx);
1110 SvREFCNT_dec (coro->args); 1230 SvREFCNT_dec (coro->args);
1111 1231
1236 { 1356 {
1237 LOCK; 1357 LOCK;
1238 next_sv = coro_deq (aTHX_ PRIO_MIN); 1358 next_sv = coro_deq (aTHX_ PRIO_MIN);
1239 1359
1240 /* nothing to schedule: call the idle handler */ 1360 /* nothing to schedule: call the idle handler */
1241 if (!next_sv) 1361 if (expect_false (!next_sv))
1242 { 1362 {
1243 dSP; 1363 dSP;
1244 UNLOCK; 1364 UNLOCK;
1245 1365
1246 ENTER; 1366 ENTER;
1256 } 1376 }
1257 1377
1258 ta->next = SvSTATE (next_sv); 1378 ta->next = SvSTATE (next_sv);
1259 1379
1260 /* cannot transfer to destroyed coros, skip and look for next */ 1380 /* cannot transfer to destroyed coros, skip and look for next */
1261 if (ta->next->flags & CF_DESTROYED) 1381 if (expect_false (ta->next->flags & CF_DESTROYED))
1262 { 1382 {
1263 UNLOCK; 1383 UNLOCK;
1264 SvREFCNT_dec (next_sv); 1384 SvREFCNT_dec (next_sv);
1265 /* coro_nready is already taken care of by destroy */ 1385 /* coro_nready is already taken care of by destroy */
1266 continue; 1386 continue;
1322 dTHX; 1442 dTHX;
1323 struct transfer_args ta; 1443 struct transfer_args ta;
1324 1444
1325 prepare_cede (aTHX_ &ta); 1445 prepare_cede (aTHX_ &ta);
1326 1446
1327 if (ta.prev != ta.next) 1447 if (expect_true (ta.prev != ta.next))
1328 { 1448 {
1329 TRANSFER (ta); 1449 TRANSFER (ta);
1330 return 1; 1450 return 1;
1331 } 1451 }
1332 else 1452 else
1368 coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); 1488 coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL);
1369 1489
1370 if (coro->flags & CF_RUNNING) 1490 if (coro->flags & CF_RUNNING)
1371 PL_runops = RUNOPS_DEFAULT; 1491 PL_runops = RUNOPS_DEFAULT;
1372 else 1492 else
1373 coro->runops = RUNOPS_DEFAULT; 1493 coro->slot->runops = RUNOPS_DEFAULT;
1374 } 1494 }
1375} 1495}
1376 1496
1377MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 1497MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1378 1498
1385#endif 1505#endif
1386 BOOT_PAGESIZE; 1506 BOOT_PAGESIZE;
1387 1507
1388 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1508 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1389 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1509 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1510
1511 hv_sig = coro_get_hv ("SIG", TRUE);
1512 sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);
1513 sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);
1514
1515 if (!PL_diehook ) hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);
1516 if (!PL_warnhook) hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);
1390 1517
1391 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1518 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1392 1519
1393 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); 1520 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1394 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); 1521 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1400 1527
1401 while (main_top_env->je_prev) 1528 while (main_top_env->je_prev)
1402 main_top_env = main_top_env->je_prev; 1529 main_top_env = main_top_env->je_prev;
1403 1530
1404 coroapi.ver = CORO_API_VERSION; 1531 coroapi.ver = CORO_API_VERSION;
1532 coroapi.rev = CORO_API_REVISION;
1405 coroapi.transfer = api_transfer; 1533 coroapi.transfer = api_transfer;
1406 1534
1407 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 1535 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1408} 1536}
1409 1537
1425 1553
1426 coro->hv = hv = newHV (); 1554 coro->hv = hv = newHV ();
1427 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; 1555 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP;
1428 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); 1556 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1429 1557
1558 av_extend (coro->args, items - 1);
1430 for (i = 1; i < items; i++) 1559 for (i = 1; i < items; i++)
1431 av_push (coro->args, newSVsv (ST (i))); 1560 av_push (coro->args, newSVsv (ST (i)));
1432} 1561}
1433 OUTPUT: 1562 OUTPUT:
1434 RETVAL 1563 RETVAL
1475 1604
1476 break; 1605 break;
1477 } 1606 }
1478 1607
1479 BARRIER; 1608 BARRIER;
1609 PUTBACK;
1480 TRANSFER (ta); 1610 TRANSFER (ta);
1481 1611 SPAGAIN; /* might be the sp of a different coroutine now */
1482 if (GIMME_V != G_VOID && ta.next != ta.prev) 1612 /* be extra careful not to ever do anything after TRANSFER */
1483 XSRETURN_YES;
1484} 1613}
1485 1614
1486bool 1615bool
1487_destroy (SV *coro_sv) 1616_destroy (SV *coro_sv)
1488 CODE: 1617 CODE:
1537 CODE: 1666 CODE:
1538{ 1667{
1539 if (coro->mainstack) 1668 if (coro->mainstack)
1540 { 1669 {
1541 struct coro temp; 1670 struct coro temp;
1542 Zero (&temp, 1, struct coro);
1543 1671
1544 if (!(coro->flags & CF_RUNNING)) 1672 if (!(coro->flags & CF_RUNNING))
1545 { 1673 {
1546 save_perl (aTHX_ &temp); 1674 save_perl (aTHX_ &temp);
1547 load_perl (aTHX_ coro); 1675 load_perl (aTHX_ coro);
1549 1677
1550 { 1678 {
1551 dSP; 1679 dSP;
1552 ENTER; 1680 ENTER;
1553 SAVETMPS; 1681 SAVETMPS;
1682 PUTBACK;
1683 PUSHSTACK;
1554 PUSHMARK (SP); 1684 PUSHMARK (SP);
1555 PUTBACK; 1685
1556 if (ix) 1686 if (ix)
1557 eval_sv (coderef, 0); 1687 eval_sv (coderef, 0);
1558 else 1688 else
1559 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1689 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1690
1691 POPSTACK;
1560 SPAGAIN; 1692 SPAGAIN;
1561 FREETMPS; 1693 FREETMPS;
1562 LEAVE; 1694 LEAVE;
1563 PUTBACK; 1695 PUTBACK;
1564 } 1696 }
1622 1754
1623BOOT: 1755BOOT:
1624{ 1756{
1625 int i; 1757 int i;
1626 1758
1627 sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); 1759 sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1628 sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); 1760 sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1629 av_async_pool = get_av ("Coro::async_pool", TRUE); 1761 av_async_pool = coro_get_av ("Coro::async_pool", TRUE);
1630 1762
1631 coro_current = get_sv ("Coro::current", FALSE); 1763 coro_current = coro_get_sv ("Coro::current", FALSE);
1632 SvREADONLY_on (coro_current); 1764 SvREADONLY_on (coro_current);
1633 1765
1634 coro_stash = gv_stashpv ("Coro", TRUE); 1766 coro_stash = gv_stashpv ("Coro", TRUE);
1635 1767
1636 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 1768 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1637 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 1769 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1638 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); 1770 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1639 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); 1771 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1642 1774
1643 for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) 1775 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1644 coro_ready[i] = newAV (); 1776 coro_ready[i] = newAV ();
1645 1777
1646 { 1778 {
1647 SV *sv = perl_get_sv("Coro::API", 1); 1779 SV *sv = perl_get_sv ("Coro::API", TRUE);
1780 perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1648 1781
1649 coroapi.schedule = api_schedule; 1782 coroapi.schedule = api_schedule;
1650 coroapi.cede = api_cede; 1783 coroapi.cede = api_cede;
1651 coroapi.cede_notself = api_cede_notself; 1784 coroapi.cede_notself = api_cede_notself;
1652 coroapi.ready = api_ready; 1785 coroapi.ready = api_ready;
1703 CODE: 1836 CODE:
1704 RETVAL = coro_nready; 1837 RETVAL = coro_nready;
1705 OUTPUT: 1838 OUTPUT:
1706 RETVAL 1839 RETVAL
1707 1840
1841void
1842throw (Coro::State self, SV *throw = &PL_sv_undef)
1843 PROTOTYPE: $;$
1844 CODE:
1845 SvREFCNT_dec (self->throw);
1846 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1847
1708# for async_pool speedup 1848# for async_pool speedup
1709void 1849void
1710_pool_1 (SV *cb) 1850_pool_1 (SV *cb)
1711 CODE: 1851 CODE:
1712{ 1852{
1716 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); 1856 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1717 AV *invoke_av; 1857 AV *invoke_av;
1718 int i, len; 1858 int i, len;
1719 1859
1720 if (!invoke) 1860 if (!invoke)
1721 croak ("\3terminate\2\n"); 1861 croak ("\3async_pool terminate\2\n");
1722 1862
1723 SvREFCNT_dec (coro->saved_deffh); 1863 SvREFCNT_dec (coro->saved_deffh);
1724 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); 1864 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1725 1865
1726 hv_store (hv, "desc", sizeof ("desc") - 1, 1866 hv_store (hv, "desc", sizeof ("desc") - 1,
1752 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 1892 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1753 coro->saved_deffh = 0; 1893 coro->saved_deffh = 0;
1754 1894
1755 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 1895 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1756 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 1896 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1757 croak ("\3terminate\2\n"); 1897 croak ("\3async_pool terminate\2\n");
1758 1898
1759 av_clear (GvAV (PL_defgv)); 1899 av_clear (GvAV (PL_defgv));
1760 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, 1900 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1761 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); 1901 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1762 1902

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