… | |
… | |
75 | /* 5.8.7 */ |
75 | /* 5.8.7 */ |
76 | #ifndef SvRV_set |
76 | #ifndef SvRV_set |
77 | # define SvRV_set(s,v) SvRV(s) = (v) |
77 | # define SvRV_set(s,v) SvRV(s) = (v) |
78 | #endif |
78 | #endif |
79 | |
79 | |
|
|
80 | /* 5.8.8 */ |
|
|
81 | #ifndef GV_NOTQUAL |
|
|
82 | # define GV_NOTQUAL 0 |
|
|
83 | #endif |
|
|
84 | #ifndef newSV |
|
|
85 | # define newSV(l) NEWSV(0,l) |
|
|
86 | #endif |
|
|
87 | |
80 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
88 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
81 | # undef CORO_STACKGUARD |
89 | # undef CORO_STACKGUARD |
82 | #endif |
90 | #endif |
83 | |
91 | |
84 | #ifndef CORO_STACKGUARD |
92 | #ifndef CORO_STACKGUARD |
… | |
… | |
132 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
140 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
133 | static JMPENV *main_top_env; |
141 | static JMPENV *main_top_env; |
134 | static HV *coro_state_stash, *coro_stash; |
142 | static HV *coro_state_stash, *coro_stash; |
135 | static SV *coro_mortal; /* will be freed after next transfer */ |
143 | static SV *coro_mortal; /* will be freed after next transfer */ |
136 | |
144 | |
|
|
145 | static GV *irsgv; /* $/ */ |
|
|
146 | static GV *stdoutgv; /* *STDOUT */ |
|
|
147 | |
|
|
148 | /* async_pool helper stuff */ |
|
|
149 | static SV *sv_pool_rss; |
|
|
150 | static SV *sv_pool_size; |
|
|
151 | static AV *av_async_pool; |
|
|
152 | |
137 | static struct coro_cctx *cctx_first; |
153 | static struct coro_cctx *cctx_first; |
138 | static int cctx_count, cctx_idle; |
154 | static int cctx_count, cctx_idle; |
|
|
155 | |
|
|
156 | enum { |
|
|
157 | CC_MAPPED = 0x01, |
|
|
158 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
|
|
159 | CC_TRACE = 0x04, |
|
|
160 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
|
|
161 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
|
|
162 | CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE, |
|
|
163 | }; |
139 | |
164 | |
140 | /* this is a structure representing a c-level coroutine */ |
165 | /* this is a structure representing a c-level coroutine */ |
141 | typedef struct coro_cctx { |
166 | typedef struct coro_cctx { |
142 | struct coro_cctx *next; |
167 | struct coro_cctx *next; |
143 | |
168 | |
… | |
… | |
152 | coro_context cctx; |
177 | coro_context cctx; |
153 | |
178 | |
154 | #if CORO_USE_VALGRIND |
179 | #if CORO_USE_VALGRIND |
155 | int valgrind_id; |
180 | int valgrind_id; |
156 | #endif |
181 | #endif |
157 | char inuse, mapped; |
182 | unsigned char flags; |
158 | } coro_cctx; |
183 | } coro_cctx; |
159 | |
184 | |
160 | enum { |
185 | enum { |
161 | CF_RUNNING = 0x0001, /* coroutine is running */ |
186 | CF_RUNNING = 0x0001, /* coroutine is running */ |
162 | CF_READY = 0x0002, /* coroutine is ready */ |
187 | CF_READY = 0x0002, /* coroutine is ready */ |
… | |
… | |
170 | coro_cctx *cctx; |
195 | coro_cctx *cctx; |
171 | |
196 | |
172 | /* data associated with this coroutine (initial args) */ |
197 | /* data associated with this coroutine (initial args) */ |
173 | AV *args; |
198 | AV *args; |
174 | int refcnt; |
199 | int refcnt; |
175 | int save; /* CORO_SAVE flags */ |
|
|
176 | int flags; /* CF_ flags */ |
200 | int flags; /* CF_ flags */ |
177 | |
201 | |
178 | /* optionally saved, might be zero */ |
202 | /* optionally saved, might be zero */ |
179 | AV *defav; /* @_ */ |
203 | AV *defav; /* @_ */ |
180 | SV *defsv; /* $_ */ |
204 | SV *defsv; /* $_ */ |
181 | SV *errsv; /* $@ */ |
205 | SV *errsv; /* $@ */ |
182 | GV *deffh; /* default filehandle */ |
206 | SV *deffh; /* default filehandle */ |
183 | SV *irssv; /* $/ */ |
207 | SV *irssv; /* $/ */ |
184 | SV *irssv_sv; /* real $/ cache */ |
208 | SV *irssv_sv; /* real $/ cache */ |
185 | |
209 | |
186 | #define VAR(name,type) type name; |
210 | #define VAR(name,type) type name; |
187 | # include "state.h" |
211 | # include "state.h" |
188 | #undef VAR |
212 | #undef VAR |
189 | |
213 | |
|
|
214 | /* statistics */ |
|
|
215 | int usecount; /* number of transfers to this coro */ |
|
|
216 | |
190 | /* coro process data */ |
217 | /* coro process data */ |
191 | int prio; |
218 | int prio; |
|
|
219 | //SV *throw; |
|
|
220 | |
|
|
221 | /* async_pool */ |
|
|
222 | SV *saved_deffh; |
192 | |
223 | |
193 | /* linked list */ |
224 | /* linked list */ |
194 | struct coro *next, *prev; |
225 | struct coro *next, *prev; |
195 | HV *hv; /* the perl hash associated with this coro, if any */ |
226 | HV *hv; /* the perl hash associated with this coro, if any */ |
196 | }; |
227 | }; |
… | |
… | |
284 | SvMAGIC (cv) \ |
315 | SvMAGIC (cv) \ |
285 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
316 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
286 | ? SvMAGIC (cv) \ |
317 | ? SvMAGIC (cv) \ |
287 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
318 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
288 | : 0 |
319 | : 0 |
|
|
320 | |
|
|
321 | static struct coro * |
|
|
322 | SvSTATE_ (pTHX_ SV *coro) |
|
|
323 | { |
|
|
324 | HV *stash; |
|
|
325 | MAGIC *mg; |
|
|
326 | |
|
|
327 | if (SvROK (coro)) |
|
|
328 | coro = SvRV (coro); |
|
|
329 | |
|
|
330 | if (SvTYPE (coro) != SVt_PVHV) |
|
|
331 | croak ("Coro::State object required"); |
|
|
332 | |
|
|
333 | stash = SvSTASH (coro); |
|
|
334 | if (stash != coro_stash && stash != coro_state_stash) |
|
|
335 | { |
|
|
336 | /* very slow, but rare, check */ |
|
|
337 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
338 | croak ("Coro::State object required"); |
|
|
339 | } |
|
|
340 | |
|
|
341 | mg = CORO_MAGIC (coro); |
|
|
342 | return (struct coro *)mg->mg_ptr; |
|
|
343 | } |
|
|
344 | |
|
|
345 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
289 | |
346 | |
290 | /* the next two functions merely cache the padlists */ |
347 | /* the next two functions merely cache the padlists */ |
291 | static void |
348 | static void |
292 | get_padlist (pTHX_ CV *cv) |
349 | get_padlist (pTHX_ CV *cv) |
293 | { |
350 | { |
… | |
… | |
332 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
389 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
333 | } |
390 | } |
334 | |
391 | |
335 | /** load & save, init *******************************************************/ |
392 | /** load & save, init *******************************************************/ |
336 | |
393 | |
337 | #define SB do { |
|
|
338 | #define SE } while (0) |
|
|
339 | |
|
|
340 | #define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE |
|
|
341 | |
|
|
342 | static void |
394 | static void |
343 | load_perl (pTHX_ Coro__State c) |
395 | load_perl (pTHX_ Coro__State c) |
344 | { |
396 | { |
345 | #define VAR(name,type) PL_ ## name = c->name; |
397 | #define VAR(name,type) PL_ ## name = c->name; |
346 | # include "state.h" |
398 | # include "state.h" |
347 | #undef VAR |
399 | #undef VAR |
348 | |
400 | |
349 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
401 | GvSV (PL_defgv) = c->defsv; |
350 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
402 | GvAV (PL_defgv) = c->defav; |
351 | if (c->errsv) REPLACE_SV (ERRSV , c->errsv); |
403 | GvSV (PL_errgv) = c->errsv; |
352 | if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh); |
404 | GvSV (irsgv) = c->irssv_sv; |
353 | |
|
|
354 | if (c->irssv) |
|
|
355 | { |
|
|
356 | if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv)) |
|
|
357 | { |
|
|
358 | SvREFCNT_dec (c->irssv); |
|
|
359 | c->irssv = 0; |
|
|
360 | } |
|
|
361 | else |
|
|
362 | { |
|
|
363 | REPLACE_SV (PL_rs, c->irssv); |
|
|
364 | if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0); |
|
|
365 | sv_setsv (c->irssv_sv, PL_rs); |
|
|
366 | } |
|
|
367 | } |
|
|
368 | |
405 | |
369 | { |
406 | { |
370 | dSP; |
407 | dSP; |
371 | CV *cv; |
408 | CV *cv; |
372 | |
409 | |
… | |
… | |
430 | } |
467 | } |
431 | |
468 | |
432 | PUTBACK; |
469 | PUTBACK; |
433 | } |
470 | } |
434 | |
471 | |
435 | c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; |
472 | c->defav = GvAV (PL_defgv); |
436 | c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; |
473 | c->defsv = DEFSV; |
437 | c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; |
474 | c->errsv = ERRSV; |
438 | c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0; |
475 | c->irssv_sv = GvSV (irsgv); |
439 | c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; |
|
|
440 | |
476 | |
441 | #define VAR(name,type)c->name = PL_ ## name; |
477 | #define VAR(name,type)c->name = PL_ ## name; |
442 | # include "state.h" |
478 | # include "state.h" |
443 | #undef VAR |
479 | #undef VAR |
444 | } |
480 | } |
… | |
… | |
497 | * destroy the stacks, the callchain etc... |
533 | * destroy the stacks, the callchain etc... |
498 | */ |
534 | */ |
499 | static void |
535 | static void |
500 | coro_destroy_stacks (pTHX) |
536 | coro_destroy_stacks (pTHX) |
501 | { |
537 | { |
502 | if (!IN_DESTRUCT) |
|
|
503 | { |
|
|
504 | /* restore all saved variables and stuff */ |
|
|
505 | LEAVE_SCOPE (0); |
|
|
506 | assert (PL_tmps_floor == -1); |
|
|
507 | |
|
|
508 | /* free all temporaries */ |
|
|
509 | FREETMPS; |
|
|
510 | assert (PL_tmps_ix == -1); |
|
|
511 | |
|
|
512 | /* unwind all extra stacks */ |
|
|
513 | POPSTACK_TO (PL_mainstack); |
|
|
514 | |
|
|
515 | /* unwind main stack */ |
|
|
516 | dounwind (-1); |
|
|
517 | } |
|
|
518 | |
|
|
519 | while (PL_curstackinfo->si_next) |
538 | while (PL_curstackinfo->si_next) |
520 | PL_curstackinfo = PL_curstackinfo->si_next; |
539 | PL_curstackinfo = PL_curstackinfo->si_next; |
521 | |
540 | |
522 | while (PL_curstackinfo) |
541 | while (PL_curstackinfo) |
523 | { |
542 | { |
… | |
… | |
539 | Safefree (PL_retstack); |
558 | Safefree (PL_retstack); |
540 | #endif |
559 | #endif |
541 | } |
560 | } |
542 | |
561 | |
543 | static size_t |
562 | static size_t |
544 | coro_rss (struct coro *coro) |
563 | coro_rss (pTHX_ struct coro *coro) |
545 | { |
564 | { |
546 | size_t rss = sizeof (coro); |
565 | size_t rss = sizeof (*coro); |
547 | |
566 | |
548 | if (coro->mainstack) |
567 | if (coro->mainstack) |
549 | { |
568 | { |
550 | if (coro->flags & CF_RUNNING) |
569 | if (coro->flags & CF_RUNNING) |
551 | { |
570 | { |
… | |
… | |
553 | # include "state.h" |
572 | # include "state.h" |
554 | #undef VAR |
573 | #undef VAR |
555 | } |
574 | } |
556 | |
575 | |
557 | rss += sizeof (coro->curstackinfo); |
576 | rss += sizeof (coro->curstackinfo); |
558 | rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); |
577 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); |
559 | rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
578 | rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
560 | rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
579 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
561 | rss += coro->tmps_max * sizeof (SV *); |
580 | rss += coro->tmps_max * sizeof (SV *); |
562 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
581 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
563 | rss += coro->scopestack_max * sizeof (I32); |
582 | rss += coro->scopestack_max * sizeof (I32); |
564 | rss += coro->savestack_max * sizeof (ANY); |
583 | rss += coro->savestack_max * sizeof (ANY); |
565 | |
584 | |
… | |
… | |
572 | } |
591 | } |
573 | |
592 | |
574 | /** coroutine stack handling ************************************************/ |
593 | /** coroutine stack handling ************************************************/ |
575 | |
594 | |
576 | static void |
595 | static void |
577 | setup_coro (pTHX_ struct coro *coro) |
596 | coro_setup (pTHX_ struct coro *coro) |
578 | { |
597 | { |
579 | /* |
598 | /* |
580 | * emulate part of the perl startup here. |
599 | * emulate part of the perl startup here. |
581 | */ |
600 | */ |
582 | coro_init_stacks (aTHX); |
601 | coro_init_stacks (aTHX); |
583 | |
602 | |
|
|
603 | PL_runops = RUNOPS_DEFAULT; |
584 | PL_curcop = &PL_compiling; |
604 | PL_curcop = &PL_compiling; |
585 | PL_in_eval = EVAL_NULL; |
605 | PL_in_eval = EVAL_NULL; |
586 | PL_comppad = 0; |
606 | PL_comppad = 0; |
587 | PL_curpm = 0; |
607 | PL_curpm = 0; |
588 | PL_localizing = 0; |
608 | PL_localizing = 0; |
589 | PL_dirty = 0; |
609 | PL_dirty = 0; |
590 | PL_restartop = 0; |
610 | PL_restartop = 0; |
|
|
611 | |
|
|
612 | GvSV (PL_defgv) = newSV (0); |
|
|
613 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
614 | GvSV (PL_errgv) = newSV (0); |
|
|
615 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
616 | PL_rs = newSVsv (GvSV (irsgv)); |
|
|
617 | PL_defoutgv = SvREFCNT_inc (stdoutgv); |
|
|
618 | |
|
|
619 | ENTER; /* necessary e.g. for dounwind */ |
591 | |
620 | |
592 | { |
621 | { |
593 | dSP; |
622 | dSP; |
594 | LOGOP myop; |
623 | LOGOP myop; |
595 | |
624 | |
596 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
597 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
598 | |
|
|
599 | Zero (&myop, 1, LOGOP); |
625 | Zero (&myop, 1, LOGOP); |
600 | myop.op_next = Nullop; |
626 | myop.op_next = Nullop; |
601 | myop.op_flags = OPf_WANT_VOID; |
627 | myop.op_flags = OPf_WANT_VOID; |
602 | |
628 | |
603 | PUSHMARK (SP); |
629 | PUSHMARK (SP); |
604 | XPUSHs (av_shift (GvAV (PL_defgv))); |
630 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
605 | PUTBACK; |
631 | PUTBACK; |
606 | PL_op = (OP *)&myop; |
632 | PL_op = (OP *)&myop; |
607 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
633 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
608 | SPAGAIN; |
634 | SPAGAIN; |
609 | } |
635 | } |
|
|
636 | } |
610 | |
637 | |
611 | ENTER; /* necessary e.g. for dounwind */ |
638 | static void |
|
|
639 | coro_destroy (pTHX_ struct coro *coro) |
|
|
640 | { |
|
|
641 | if (!IN_DESTRUCT) |
|
|
642 | { |
|
|
643 | /* restore all saved variables and stuff */ |
|
|
644 | LEAVE_SCOPE (0); |
|
|
645 | assert (PL_tmps_floor == -1); |
|
|
646 | |
|
|
647 | /* free all temporaries */ |
|
|
648 | FREETMPS; |
|
|
649 | assert (PL_tmps_ix == -1); |
|
|
650 | |
|
|
651 | /* unwind all extra stacks */ |
|
|
652 | POPSTACK_TO (PL_mainstack); |
|
|
653 | |
|
|
654 | /* unwind main stack */ |
|
|
655 | dounwind (-1); |
|
|
656 | } |
|
|
657 | |
|
|
658 | SvREFCNT_dec (GvSV (PL_defgv)); |
|
|
659 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
660 | SvREFCNT_dec (GvSV (PL_errgv)); |
|
|
661 | SvREFCNT_dec (PL_defoutgv); |
|
|
662 | SvREFCNT_dec (PL_rs); |
|
|
663 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
664 | |
|
|
665 | SvREFCNT_dec (coro->saved_deffh); |
|
|
666 | //SvREFCNT_dec (coro->throw); |
|
|
667 | |
|
|
668 | coro_destroy_stacks (aTHX); |
612 | } |
669 | } |
613 | |
670 | |
614 | static void |
671 | static void |
615 | free_coro_mortal (pTHX) |
672 | free_coro_mortal (pTHX) |
616 | { |
673 | { |
617 | if (coro_mortal) |
674 | if (coro_mortal) |
618 | { |
675 | { |
619 | SvREFCNT_dec (coro_mortal); |
676 | SvREFCNT_dec (coro_mortal); |
620 | coro_mortal = 0; |
677 | coro_mortal = 0; |
621 | } |
678 | } |
|
|
679 | } |
|
|
680 | |
|
|
681 | static int |
|
|
682 | runops_trace (pTHX) |
|
|
683 | { |
|
|
684 | COP *oldcop = 0; |
|
|
685 | int oldcxix = -2; |
|
|
686 | struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */ |
|
|
687 | coro_cctx *cctx = coro->cctx; |
|
|
688 | |
|
|
689 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
|
|
690 | { |
|
|
691 | PERL_ASYNC_CHECK (); |
|
|
692 | |
|
|
693 | if (cctx->flags & CC_TRACE_ALL) |
|
|
694 | { |
|
|
695 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
|
|
696 | { |
|
|
697 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
698 | SV **bot, **top; |
|
|
699 | AV *av = newAV (); /* return values */ |
|
|
700 | SV **cb; |
|
|
701 | dSP; |
|
|
702 | |
|
|
703 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
704 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
705 | if (isGV (gv)) |
|
|
706 | gv_efullname3 (fullname, gv, 0); |
|
|
707 | |
|
|
708 | bot = PL_stack_base + cx->blk_oldsp + 1; |
|
|
709 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
|
|
710 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
|
|
711 | : bot; |
|
|
712 | |
|
|
713 | while (bot < top) |
|
|
714 | av_push (av, SvREFCNT_inc (*bot++)); |
|
|
715 | |
|
|
716 | PL_runops = RUNOPS_DEFAULT; |
|
|
717 | ENTER; |
|
|
718 | SAVETMPS; |
|
|
719 | EXTEND (SP, 3); |
|
|
720 | PUSHMARK (SP); |
|
|
721 | PUSHs (&PL_sv_no); |
|
|
722 | PUSHs (fullname); |
|
|
723 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
724 | PUTBACK; |
|
|
725 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
726 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
727 | SPAGAIN; |
|
|
728 | FREETMPS; |
|
|
729 | LEAVE; |
|
|
730 | PL_runops = runops_trace; |
|
|
731 | } |
|
|
732 | |
|
|
733 | if (oldcop != PL_curcop) |
|
|
734 | { |
|
|
735 | oldcop = PL_curcop; |
|
|
736 | |
|
|
737 | if (PL_curcop != &PL_compiling) |
|
|
738 | { |
|
|
739 | SV **cb; |
|
|
740 | |
|
|
741 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
|
|
742 | { |
|
|
743 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
744 | |
|
|
745 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
|
|
746 | { |
|
|
747 | runops_proc_t old_runops = PL_runops; |
|
|
748 | dSP; |
|
|
749 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
750 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
751 | |
|
|
752 | if (isGV (gv)) |
|
|
753 | gv_efullname3 (fullname, gv, 0); |
|
|
754 | |
|
|
755 | PL_runops = RUNOPS_DEFAULT; |
|
|
756 | ENTER; |
|
|
757 | SAVETMPS; |
|
|
758 | EXTEND (SP, 3); |
|
|
759 | PUSHMARK (SP); |
|
|
760 | PUSHs (&PL_sv_yes); |
|
|
761 | PUSHs (fullname); |
|
|
762 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
|
|
763 | PUTBACK; |
|
|
764 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
765 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
766 | SPAGAIN; |
|
|
767 | FREETMPS; |
|
|
768 | LEAVE; |
|
|
769 | PL_runops = runops_trace; |
|
|
770 | } |
|
|
771 | |
|
|
772 | oldcxix = cxstack_ix; |
|
|
773 | } |
|
|
774 | |
|
|
775 | if (cctx->flags & CC_TRACE_LINE) |
|
|
776 | { |
|
|
777 | dSP; |
|
|
778 | |
|
|
779 | PL_runops = RUNOPS_DEFAULT; |
|
|
780 | ENTER; |
|
|
781 | SAVETMPS; |
|
|
782 | EXTEND (SP, 3); |
|
|
783 | PL_runops = RUNOPS_DEFAULT; |
|
|
784 | PUSHMARK (SP); |
|
|
785 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
|
|
786 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
|
|
787 | PUTBACK; |
|
|
788 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
|
|
789 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
790 | SPAGAIN; |
|
|
791 | FREETMPS; |
|
|
792 | LEAVE; |
|
|
793 | PL_runops = runops_trace; |
|
|
794 | } |
|
|
795 | } |
|
|
796 | } |
|
|
797 | } |
|
|
798 | } |
|
|
799 | |
|
|
800 | TAINT_NOT; |
|
|
801 | return 0; |
622 | } |
802 | } |
623 | |
803 | |
624 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
804 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
625 | /* _cctx_init should be careful, as it could be called at almost any time */ |
805 | /* _cctx_init should be careful, as it could be called at almost any time */ |
626 | /* during execution of a perl program */ |
806 | /* during execution of a perl program */ |
627 | static void NOINLINE |
807 | static void NOINLINE |
628 | prepare_cctx (pTHX_ coro_cctx *cctx) |
808 | prepare_cctx (pTHX_ coro_cctx *cctx) |
629 | { |
809 | { |
630 | dSP; |
810 | dSP; |
631 | LOGOP myop; |
811 | LOGOP myop; |
|
|
812 | |
|
|
813 | PL_top_env = &PL_start_env; |
|
|
814 | |
|
|
815 | if (cctx->flags & CC_TRACE) |
|
|
816 | PL_runops = runops_trace; |
632 | |
817 | |
633 | Zero (&myop, 1, LOGOP); |
818 | Zero (&myop, 1, LOGOP); |
634 | myop.op_next = PL_op; |
819 | myop.op_next = PL_op; |
635 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
820 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
636 | |
821 | |
… | |
… | |
653 | dTHX; |
838 | dTHX; |
654 | |
839 | |
655 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
840 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
656 | UNLOCK; |
841 | UNLOCK; |
657 | |
842 | |
658 | PL_top_env = &PL_start_env; |
843 | /* we now skip the entersub that lead to transfer() */ |
|
|
844 | PL_op = PL_op->op_next; |
659 | |
845 | |
660 | /* inject a fake subroutine call to cctx_init */ |
846 | /* inject a fake subroutine call to cctx_init */ |
661 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
847 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
662 | |
848 | |
663 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
849 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
… | |
… | |
697 | # if CORO_STACKGUARD |
883 | # if CORO_STACKGUARD |
698 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
884 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
699 | # endif |
885 | # endif |
700 | stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
886 | stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
701 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
887 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
702 | cctx->mapped = 1; |
888 | cctx->flags |= CC_MAPPED; |
703 | } |
889 | } |
704 | else |
890 | else |
705 | #endif |
891 | #endif |
706 | { |
892 | { |
707 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
893 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
… | |
… | |
734 | #if CORO_USE_VALGRIND |
920 | #if CORO_USE_VALGRIND |
735 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
921 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
736 | #endif |
922 | #endif |
737 | |
923 | |
738 | #if HAVE_MMAP |
924 | #if HAVE_MMAP |
739 | if (cctx->mapped) |
925 | if (cctx->flags & CC_MAPPED) |
740 | munmap (cctx->sptr, cctx->ssize); |
926 | munmap (cctx->sptr, cctx->ssize); |
741 | else |
927 | else |
742 | #endif |
928 | #endif |
743 | Safefree (cctx->sptr); |
929 | Safefree (cctx->sptr); |
744 | |
930 | |
… | |
… | |
752 | { |
938 | { |
753 | coro_cctx *cctx = cctx_first; |
939 | coro_cctx *cctx = cctx_first; |
754 | cctx_first = cctx->next; |
940 | cctx_first = cctx->next; |
755 | --cctx_idle; |
941 | --cctx_idle; |
756 | |
942 | |
757 | if (cctx->ssize >= coro_stacksize) |
943 | if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE)) |
758 | return cctx; |
944 | return cctx; |
759 | |
945 | |
760 | cctx_destroy (cctx); |
946 | cctx_destroy (cctx); |
761 | } |
947 | } |
762 | |
948 | |
763 | PL_op = PL_op->op_next; |
|
|
764 | return cctx_new (); |
949 | return cctx_new (); |
765 | } |
950 | } |
766 | |
951 | |
767 | static void |
952 | static void |
768 | cctx_put (coro_cctx *cctx) |
953 | cctx_put (coro_cctx *cctx) |
… | |
… | |
772 | { |
957 | { |
773 | coro_cctx *first = cctx_first; |
958 | coro_cctx *first = cctx_first; |
774 | cctx_first = first->next; |
959 | cctx_first = first->next; |
775 | --cctx_idle; |
960 | --cctx_idle; |
776 | |
961 | |
777 | assert (!first->inuse); |
|
|
778 | cctx_destroy (first); |
962 | cctx_destroy (first); |
779 | } |
963 | } |
780 | |
964 | |
781 | ++cctx_idle; |
965 | ++cctx_idle; |
782 | cctx->next = cctx_first; |
966 | cctx->next = cctx_first; |
783 | cctx_first = cctx; |
967 | cctx_first = cctx; |
784 | } |
968 | } |
785 | |
969 | |
786 | /** coroutine switching *****************************************************/ |
970 | /** coroutine switching *****************************************************/ |
787 | |
971 | |
788 | /* never call directly, always through the coro_state_transfer global variable */ |
972 | static void NOINLINE |
|
|
973 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
|
|
974 | { |
|
|
975 | if (prev != next) |
|
|
976 | { |
|
|
977 | if (!(prev->flags & (CF_RUNNING | CF_NEW))) |
|
|
978 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
|
|
979 | |
|
|
980 | if (next->flags & CF_RUNNING) |
|
|
981 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
982 | |
|
|
983 | if (next->flags & CF_DESTROYED) |
|
|
984 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
985 | |
|
|
986 | if (PL_lex_state != LEX_NOTPARSING) |
|
|
987 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
|
|
988 | } |
|
|
989 | } |
|
|
990 | |
|
|
991 | /* always use the TRANSFER macro */ |
789 | static void NOINLINE |
992 | static void NOINLINE |
790 | transfer (pTHX_ struct coro *prev, struct coro *next) |
993 | transfer (pTHX_ struct coro *prev, struct coro *next) |
791 | { |
994 | { |
792 | dSTACKLEVEL; |
995 | dSTACKLEVEL; |
793 | |
996 | |
… | |
… | |
803 | |
1006 | |
804 | if (prev->flags & CF_NEW) |
1007 | if (prev->flags & CF_NEW) |
805 | { |
1008 | { |
806 | /* create a new empty context */ |
1009 | /* create a new empty context */ |
807 | Newz (0, prev->cctx, 1, coro_cctx); |
1010 | Newz (0, prev->cctx, 1, coro_cctx); |
808 | prev->cctx->inuse = 1; |
|
|
809 | prev->flags &= ~CF_NEW; |
1011 | prev->flags &= ~CF_NEW; |
810 | prev->flags |= CF_RUNNING; |
1012 | prev->flags |= CF_RUNNING; |
811 | } |
1013 | } |
812 | |
|
|
813 | /*TODO: must not croak here */ |
|
|
814 | if (!prev->flags & CF_RUNNING) |
|
|
815 | croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states"); |
|
|
816 | |
|
|
817 | if (next->flags & CF_RUNNING) |
|
|
818 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
819 | |
|
|
820 | if (next->flags & CF_DESTROYED) |
|
|
821 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
822 | |
1014 | |
823 | prev->flags &= ~CF_RUNNING; |
1015 | prev->flags &= ~CF_RUNNING; |
824 | next->flags |= CF_RUNNING; |
1016 | next->flags |= CF_RUNNING; |
825 | |
1017 | |
826 | LOCK; |
1018 | LOCK; |
… | |
… | |
830 | /* need to start coroutine */ |
1022 | /* need to start coroutine */ |
831 | next->flags &= ~CF_NEW; |
1023 | next->flags &= ~CF_NEW; |
832 | /* first get rid of the old state */ |
1024 | /* first get rid of the old state */ |
833 | save_perl (aTHX_ prev); |
1025 | save_perl (aTHX_ prev); |
834 | /* setup coroutine call */ |
1026 | /* setup coroutine call */ |
835 | setup_coro (aTHX_ next); |
1027 | coro_setup (aTHX_ next); |
836 | /* need a new stack */ |
|
|
837 | assert (!next->cctx); |
|
|
838 | } |
1028 | } |
839 | else |
1029 | else |
840 | { |
1030 | { |
841 | /* coroutine already started */ |
1031 | /* coroutine already started */ |
842 | save_perl (aTHX_ prev); |
1032 | save_perl (aTHX_ prev); |
… | |
… | |
844 | } |
1034 | } |
845 | |
1035 | |
846 | prev__cctx = prev->cctx; |
1036 | prev__cctx = prev->cctx; |
847 | |
1037 | |
848 | /* possibly "free" the cctx */ |
1038 | /* possibly "free" the cctx */ |
849 | if (prev__cctx->idle_sp == STACKLEVEL) |
1039 | if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)) |
850 | { |
1040 | { |
851 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1041 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
852 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1042 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
853 | |
1043 | |
854 | prev->cctx = 0; |
1044 | prev->cctx = 0; |
855 | |
1045 | |
856 | cctx_put (prev__cctx); |
1046 | cctx_put (prev__cctx); |
857 | prev__cctx->inuse = 0; |
|
|
858 | } |
1047 | } |
859 | |
1048 | |
|
|
1049 | ++next->usecount; |
|
|
1050 | |
860 | if (!next->cctx) |
1051 | if (!next->cctx) |
861 | { |
|
|
862 | next->cctx = cctx_get (aTHX); |
1052 | next->cctx = cctx_get (aTHX); |
863 | assert (!next->cctx->inuse); |
|
|
864 | next->cctx->inuse = 1; |
|
|
865 | } |
|
|
866 | |
1053 | |
867 | if (prev__cctx != next->cctx) |
1054 | if (prev__cctx != next->cctx) |
868 | { |
1055 | { |
869 | prev__cctx->top_env = PL_top_env; |
1056 | prev__cctx->top_env = PL_top_env; |
870 | PL_top_env = next->cctx->top_env; |
1057 | PL_top_env = next->cctx->top_env; |
… | |
… | |
880 | { |
1067 | { |
881 | struct coro *prev, *next; |
1068 | struct coro *prev, *next; |
882 | }; |
1069 | }; |
883 | |
1070 | |
884 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
1071 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
|
|
1072 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
885 | |
1073 | |
886 | /** high level stuff ********************************************************/ |
1074 | /** high level stuff ********************************************************/ |
887 | |
1075 | |
888 | static int |
1076 | static int |
889 | coro_state_destroy (pTHX_ struct coro *coro) |
1077 | coro_state_destroy (pTHX_ struct coro *coro) |
… | |
… | |
906 | |
1094 | |
907 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1095 | if (coro->mainstack && coro->mainstack != main_mainstack) |
908 | { |
1096 | { |
909 | struct coro temp; |
1097 | struct coro temp; |
910 | |
1098 | |
911 | assert (!(coro->flags & CF_RUNNING)); |
|
|
912 | |
|
|
913 | Zero (&temp, 1, struct coro); |
|
|
914 | temp.save = CORO_SAVE_ALL; |
|
|
915 | |
|
|
916 | if (coro->flags & CF_RUNNING) |
1099 | if (coro->flags & CF_RUNNING) |
917 | croak ("FATAL: tried to destroy currently running coroutine"); |
1100 | croak ("FATAL: tried to destroy currently running coroutine"); |
918 | |
1101 | |
919 | save_perl (aTHX_ &temp); |
1102 | save_perl (aTHX_ &temp); |
920 | load_perl (aTHX_ coro); |
1103 | load_perl (aTHX_ coro); |
921 | |
1104 | |
922 | coro_destroy_stacks (aTHX); |
1105 | coro_destroy (aTHX_ coro); |
923 | |
1106 | |
924 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
1107 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
925 | |
1108 | |
926 | coro->mainstack = 0; |
1109 | coro->mainstack = 0; |
927 | } |
1110 | } |
… | |
… | |
972 | #else |
1155 | #else |
973 | # define MGf_DUP 0 |
1156 | # define MGf_DUP 0 |
974 | #endif |
1157 | #endif |
975 | }; |
1158 | }; |
976 | |
1159 | |
977 | static struct coro * |
|
|
978 | SvSTATE_ (pTHX_ SV *coro) |
|
|
979 | { |
|
|
980 | HV *stash; |
|
|
981 | MAGIC *mg; |
|
|
982 | |
|
|
983 | if (SvROK (coro)) |
|
|
984 | coro = SvRV (coro); |
|
|
985 | |
|
|
986 | stash = SvSTASH (coro); |
|
|
987 | if (stash != coro_stash && stash != coro_state_stash) |
|
|
988 | { |
|
|
989 | /* very slow, but rare, check */ |
|
|
990 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
991 | croak ("Coro::State object required"); |
|
|
992 | } |
|
|
993 | |
|
|
994 | mg = CORO_MAGIC (coro); |
|
|
995 | return (struct coro *)mg->mg_ptr; |
|
|
996 | } |
|
|
997 | |
|
|
998 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
999 | |
|
|
1000 | static void |
1160 | static void |
1001 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1161 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1002 | { |
1162 | { |
1003 | ta->prev = SvSTATE (prev_sv); |
1163 | ta->prev = SvSTATE (prev_sv); |
1004 | ta->next = SvSTATE (next_sv); |
1164 | ta->next = SvSTATE (next_sv); |
|
|
1165 | TRANSFER_CHECK (*ta); |
1005 | } |
1166 | } |
1006 | |
1167 | |
1007 | static void |
1168 | static void |
1008 | api_transfer (SV *prev_sv, SV *next_sv) |
1169 | api_transfer (SV *prev_sv, SV *next_sv) |
1009 | { |
1170 | { |
1010 | dTHX; |
1171 | dTHX; |
1011 | struct transfer_args ta; |
1172 | struct transfer_args ta; |
1012 | |
1173 | |
1013 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1174 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1014 | TRANSFER (ta); |
1175 | TRANSFER (ta); |
1015 | } |
|
|
1016 | |
|
|
1017 | static int |
|
|
1018 | api_save (SV *coro_sv, int new_save) |
|
|
1019 | { |
|
|
1020 | dTHX; |
|
|
1021 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1022 | int old_save = coro->save; |
|
|
1023 | |
|
|
1024 | if (new_save >= 0) |
|
|
1025 | coro->save = new_save; |
|
|
1026 | |
|
|
1027 | return old_save; |
|
|
1028 | } |
1176 | } |
1029 | |
1177 | |
1030 | /** Coro ********************************************************************/ |
1178 | /** Coro ********************************************************************/ |
1031 | |
1179 | |
1032 | static void |
1180 | static void |
… | |
… | |
1126 | break; |
1274 | break; |
1127 | } |
1275 | } |
1128 | |
1276 | |
1129 | /* free this only after the transfer */ |
1277 | /* free this only after the transfer */ |
1130 | prev_sv = SvRV (coro_current); |
1278 | prev_sv = SvRV (coro_current); |
1131 | SvRV_set (coro_current, next_sv); |
|
|
1132 | ta->prev = SvSTATE (prev_sv); |
1279 | ta->prev = SvSTATE (prev_sv); |
1133 | |
1280 | TRANSFER_CHECK (*ta); |
1134 | assert (ta->next->flags & CF_READY); |
1281 | assert (ta->next->flags & CF_READY); |
1135 | ta->next->flags &= ~CF_READY; |
1282 | ta->next->flags &= ~CF_READY; |
|
|
1283 | SvRV_set (coro_current, next_sv); |
1136 | |
1284 | |
1137 | LOCK; |
1285 | LOCK; |
1138 | free_coro_mortal (aTHX); |
1286 | free_coro_mortal (aTHX); |
1139 | coro_mortal = prev_sv; |
1287 | coro_mortal = prev_sv; |
1140 | UNLOCK; |
1288 | UNLOCK; |
… | |
… | |
1201 | } |
1349 | } |
1202 | else |
1350 | else |
1203 | return 0; |
1351 | return 0; |
1204 | } |
1352 | } |
1205 | |
1353 | |
|
|
1354 | static void |
|
|
1355 | api_trace (SV *coro_sv, int flags) |
|
|
1356 | { |
|
|
1357 | dTHX; |
|
|
1358 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1359 | |
|
|
1360 | if (flags & CC_TRACE) |
|
|
1361 | { |
|
|
1362 | if (!coro->cctx) |
|
|
1363 | coro->cctx = cctx_new (); |
|
|
1364 | else if (!(coro->cctx->flags & CC_TRACE)) |
|
|
1365 | croak ("cannot enable tracing on coroutine with custom stack"); |
|
|
1366 | |
|
|
1367 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
|
|
1368 | } |
|
|
1369 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
|
|
1370 | { |
|
|
1371 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
|
|
1372 | |
|
|
1373 | if (coro->flags & CF_RUNNING) |
|
|
1374 | PL_runops = RUNOPS_DEFAULT; |
|
|
1375 | else |
|
|
1376 | coro->runops = RUNOPS_DEFAULT; |
|
|
1377 | } |
|
|
1378 | } |
|
|
1379 | |
1206 | MODULE = Coro::State PACKAGE = Coro::State |
1380 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1207 | |
1381 | |
1208 | PROTOTYPES: DISABLE |
1382 | PROTOTYPES: DISABLE |
1209 | |
1383 | |
1210 | BOOT: |
1384 | BOOT: |
1211 | { |
1385 | { |
1212 | #ifdef USE_ITHREADS |
1386 | #ifdef USE_ITHREADS |
1213 | MUTEX_INIT (&coro_mutex); |
1387 | MUTEX_INIT (&coro_mutex); |
1214 | #endif |
1388 | #endif |
1215 | BOOT_PAGESIZE; |
1389 | BOOT_PAGESIZE; |
1216 | |
1390 | |
|
|
1391 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
|
|
1392 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
|
|
1393 | |
1217 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1394 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1218 | |
1395 | |
1219 | newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); |
1396 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1220 | newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); |
1397 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1221 | newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); |
|
|
1222 | newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); |
|
|
1223 | newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH)); |
|
|
1224 | newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF)); |
1398 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
1225 | newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); |
1399 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
1226 | |
1400 | |
1227 | main_mainstack = PL_mainstack; |
1401 | main_mainstack = PL_mainstack; |
1228 | main_top_env = PL_top_env; |
1402 | main_top_env = PL_top_env; |
1229 | |
1403 | |
1230 | while (main_top_env->je_prev) |
1404 | while (main_top_env->je_prev) |
… | |
… | |
1243 | struct coro *coro; |
1417 | struct coro *coro; |
1244 | HV *hv; |
1418 | HV *hv; |
1245 | int i; |
1419 | int i; |
1246 | |
1420 | |
1247 | Newz (0, coro, 1, struct coro); |
1421 | Newz (0, coro, 1, struct coro); |
1248 | coro->args = newAV (); |
1422 | coro->args = newAV (); |
1249 | coro->save = CORO_SAVE_DEF; |
|
|
1250 | coro->flags = CF_NEW; |
1423 | coro->flags = CF_NEW; |
1251 | |
1424 | |
1252 | if (coro_first) coro_first->prev = coro; |
1425 | if (coro_first) coro_first->prev = coro; |
1253 | coro->next = coro_first; |
1426 | coro->next = coro_first; |
1254 | coro_first = coro; |
1427 | coro_first = coro; |
1255 | |
1428 | |
1256 | coro->hv = hv = newHV (); |
1429 | coro->hv = hv = newHV (); |
1257 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1430 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1258 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1431 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1259 | |
1432 | |
|
|
1433 | av_extend (coro->args, items - 1); |
|
|
1434 | |
1260 | for (i = 1; i < items; i++) |
1435 | for (i = 1; i < items; i++) |
1261 | av_push (coro->args, newSVsv (ST (i))); |
1436 | av_push (coro->args, newSVsv (ST (i))); |
1262 | } |
1437 | } |
1263 | OUTPUT: |
1438 | OUTPUT: |
1264 | RETVAL |
1439 | RETVAL |
1265 | |
1440 | |
1266 | int |
1441 | # these not obviously related functions are all rolled into the same xs |
1267 | save (SV *coro, int new_save = -1) |
1442 | # function to increase chances that they all will call transfer with the same |
1268 | CODE: |
1443 | # stack offset |
1269 | RETVAL = api_save (coro, new_save); |
|
|
1270 | OUTPUT: |
|
|
1271 | RETVAL |
|
|
1272 | |
|
|
1273 | int |
|
|
1274 | save_also (SV *coro_sv, int save_also) |
|
|
1275 | CODE: |
|
|
1276 | { |
|
|
1277 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1278 | RETVAL = coro->save; |
|
|
1279 | coro->save |= save_also; |
|
|
1280 | } |
|
|
1281 | OUTPUT: |
|
|
1282 | RETVAL |
|
|
1283 | |
|
|
1284 | void |
1444 | void |
1285 | _set_stacklevel (...) |
1445 | _set_stacklevel (...) |
1286 | ALIAS: |
1446 | ALIAS: |
1287 | Coro::State::transfer = 1 |
1447 | Coro::State::transfer = 1 |
1288 | Coro::schedule = 2 |
1448 | Coro::schedule = 2 |
… | |
… | |
1374 | if (coro->hv) |
1534 | if (coro->hv) |
1375 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
1535 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
1376 | } |
1536 | } |
1377 | |
1537 | |
1378 | void |
1538 | void |
1379 | _eval (Coro::State coro, SV *coderef) |
1539 | call (Coro::State coro, SV *coderef) |
|
|
1540 | ALIAS: |
|
|
1541 | eval = 1 |
1380 | CODE: |
1542 | CODE: |
1381 | { |
1543 | { |
1382 | if (coro->mainstack) |
1544 | if (coro->mainstack) |
1383 | { |
1545 | { |
1384 | struct coro temp; |
1546 | struct coro temp; |
1385 | Zero (&temp, 1, struct coro); |
1547 | Zero (&temp, 1, struct coro); |
1386 | temp.save = CORO_SAVE_ALL; |
|
|
1387 | |
1548 | |
1388 | if (!(coro->flags & CF_RUNNING)) |
1549 | if (!(coro->flags & CF_RUNNING)) |
1389 | { |
1550 | { |
1390 | save_perl (aTHX_ &temp); |
1551 | save_perl (aTHX_ &temp); |
1391 | load_perl (aTHX_ coro); |
1552 | load_perl (aTHX_ coro); |
… | |
… | |
1395 | dSP; |
1556 | dSP; |
1396 | ENTER; |
1557 | ENTER; |
1397 | SAVETMPS; |
1558 | SAVETMPS; |
1398 | PUSHMARK (SP); |
1559 | PUSHMARK (SP); |
1399 | PUTBACK; |
1560 | PUTBACK; |
|
|
1561 | if (ix) |
|
|
1562 | eval_sv (coderef, 0); |
|
|
1563 | else |
1400 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1564 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1401 | SPAGAIN; |
1565 | SPAGAIN; |
1402 | FREETMPS; |
1566 | FREETMPS; |
1403 | LEAVE; |
1567 | LEAVE; |
1404 | PUTBACK; |
1568 | PUTBACK; |
1405 | } |
1569 | } |
… | |
… | |
1409 | save_perl (aTHX_ coro); |
1573 | save_perl (aTHX_ coro); |
1410 | load_perl (aTHX_ &temp); |
1574 | load_perl (aTHX_ &temp); |
1411 | } |
1575 | } |
1412 | } |
1576 | } |
1413 | } |
1577 | } |
1414 | |
1578 | |
1415 | SV * |
1579 | SV * |
1416 | is_ready (Coro::State coro) |
1580 | is_ready (Coro::State coro) |
1417 | PROTOTYPE: $ |
1581 | PROTOTYPE: $ |
1418 | ALIAS: |
1582 | ALIAS: |
1419 | is_ready = CF_READY |
1583 | is_ready = CF_READY |
… | |
… | |
1423 | CODE: |
1587 | CODE: |
1424 | RETVAL = boolSV (coro->flags & ix); |
1588 | RETVAL = boolSV (coro->flags & ix); |
1425 | OUTPUT: |
1589 | OUTPUT: |
1426 | RETVAL |
1590 | RETVAL |
1427 | |
1591 | |
|
|
1592 | void |
|
|
1593 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
|
|
1594 | |
|
|
1595 | SV * |
|
|
1596 | has_stack (Coro::State coro) |
|
|
1597 | PROTOTYPE: $ |
|
|
1598 | CODE: |
|
|
1599 | RETVAL = boolSV (!!coro->cctx); |
|
|
1600 | OUTPUT: |
|
|
1601 | RETVAL |
|
|
1602 | |
|
|
1603 | int |
|
|
1604 | is_traced (Coro::State coro) |
|
|
1605 | PROTOTYPE: $ |
|
|
1606 | CODE: |
|
|
1607 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
|
|
1608 | OUTPUT: |
|
|
1609 | RETVAL |
|
|
1610 | |
1428 | IV |
1611 | IV |
1429 | rss (Coro::State coro) |
1612 | rss (Coro::State coro) |
1430 | PROTOTYPE: $ |
1613 | PROTOTYPE: $ |
|
|
1614 | ALIAS: |
|
|
1615 | usecount = 1 |
1431 | CODE: |
1616 | CODE: |
1432 | RETVAL = coro_rss (coro); |
1617 | switch (ix) |
|
|
1618 | { |
|
|
1619 | case 0: RETVAL = coro_rss (aTHX_ coro); break; |
|
|
1620 | case 1: RETVAL = coro->usecount; break; |
|
|
1621 | } |
1433 | OUTPUT: |
1622 | OUTPUT: |
1434 | RETVAL |
1623 | RETVAL |
1435 | |
1624 | |
1436 | |
1625 | |
1437 | MODULE = Coro::State PACKAGE = Coro |
1626 | MODULE = Coro::State PACKAGE = Coro |
1438 | |
1627 | |
1439 | BOOT: |
1628 | BOOT: |
1440 | { |
1629 | { |
1441 | int i; |
1630 | int i; |
|
|
1631 | |
|
|
1632 | sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); |
|
|
1633 | sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); |
|
|
1634 | av_async_pool = get_av ("Coro::async_pool", TRUE); |
|
|
1635 | |
|
|
1636 | coro_current = get_sv ("Coro::current", FALSE); |
|
|
1637 | SvREADONLY_on (coro_current); |
1442 | |
1638 | |
1443 | coro_stash = gv_stashpv ("Coro", TRUE); |
1639 | coro_stash = gv_stashpv ("Coro", TRUE); |
1444 | |
1640 | |
1445 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1641 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1446 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1642 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1447 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1643 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1448 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1644 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1449 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
1645 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
1450 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
1646 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
1451 | |
1647 | |
1452 | coro_current = get_sv ("Coro::current", FALSE); |
|
|
1453 | SvREADONLY_on (coro_current); |
|
|
1454 | |
|
|
1455 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1648 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1456 | coro_ready[i] = newAV (); |
1649 | coro_ready[i] = newAV (); |
1457 | |
1650 | |
1458 | { |
1651 | { |
1459 | SV *sv = perl_get_sv("Coro::API", 1); |
1652 | SV *sv = perl_get_sv("Coro::API", 1); |
1460 | |
1653 | |
1461 | coroapi.schedule = api_schedule; |
1654 | coroapi.schedule = api_schedule; |
1462 | coroapi.save = api_save; |
|
|
1463 | coroapi.cede = api_cede; |
1655 | coroapi.cede = api_cede; |
1464 | coroapi.cede_notself = api_cede_notself; |
1656 | coroapi.cede_notself = api_cede_notself; |
1465 | coroapi.ready = api_ready; |
1657 | coroapi.ready = api_ready; |
1466 | coroapi.is_ready = api_is_ready; |
1658 | coroapi.is_ready = api_is_ready; |
1467 | coroapi.nready = &coro_nready; |
1659 | coroapi.nready = &coro_nready; |
… | |
… | |
1516 | CODE: |
1708 | CODE: |
1517 | RETVAL = coro_nready; |
1709 | RETVAL = coro_nready; |
1518 | OUTPUT: |
1710 | OUTPUT: |
1519 | RETVAL |
1711 | RETVAL |
1520 | |
1712 | |
|
|
1713 | # for async_pool speedup |
|
|
1714 | void |
|
|
1715 | _pool_1 (SV *cb) |
|
|
1716 | CODE: |
|
|
1717 | { |
|
|
1718 | struct coro *coro = SvSTATE (coro_current); |
|
|
1719 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1720 | AV *defav = GvAV (PL_defgv); |
|
|
1721 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
1722 | AV *invoke_av; |
|
|
1723 | int i, len; |
|
|
1724 | |
|
|
1725 | if (!invoke) |
|
|
1726 | croak ("\3terminate\2\n"); |
|
|
1727 | |
|
|
1728 | SvREFCNT_dec (coro->saved_deffh); |
|
|
1729 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
|
|
1730 | |
|
|
1731 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
1732 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
1733 | |
|
|
1734 | invoke_av = (AV *)SvRV (invoke); |
|
|
1735 | len = av_len (invoke_av); |
|
|
1736 | |
|
|
1737 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
1738 | |
|
|
1739 | if (len > 0) |
|
|
1740 | { |
|
|
1741 | av_fill (defav, len - 1); |
|
|
1742 | for (i = 0; i < len; ++i) |
|
|
1743 | av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); |
|
|
1744 | } |
|
|
1745 | |
|
|
1746 | SvREFCNT_dec (invoke); |
|
|
1747 | } |
|
|
1748 | |
|
|
1749 | void |
|
|
1750 | _pool_2 (SV *cb) |
|
|
1751 | CODE: |
|
|
1752 | { |
|
|
1753 | struct coro *coro = SvSTATE (coro_current); |
|
|
1754 | |
|
|
1755 | sv_setsv (cb, &PL_sv_undef); |
|
|
1756 | |
|
|
1757 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
1758 | coro->saved_deffh = 0; |
|
|
1759 | |
|
|
1760 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
|
|
1761 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1762 | croak ("\3terminate\2\n"); |
|
|
1763 | |
|
|
1764 | av_clear (GvAV (PL_defgv)); |
|
|
1765 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
|
|
1766 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
1767 | |
|
|
1768 | coro->prio = 0; |
|
|
1769 | |
|
|
1770 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
1771 | api_trace (coro_current, 0); |
|
|
1772 | |
|
|
1773 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
1774 | } |
|
|
1775 | |
|
|
1776 | |
1521 | MODULE = Coro::State PACKAGE = Coro::AIO |
1777 | MODULE = Coro::State PACKAGE = Coro::AIO |
1522 | |
1778 | |
1523 | SV * |
1779 | SV * |
1524 | _get_state () |
1780 | _get_state () |
1525 | CODE: |
1781 | CODE: |