… | |
… | |
88 | /* prefer perl internal functions over our own? */ |
88 | /* prefer perl internal functions over our own? */ |
89 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
89 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
90 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
90 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
91 | #endif |
91 | #endif |
92 | |
92 | |
93 | /* The next macro should declare a variable stacklevel that contains and approximation |
93 | /* The next macros try to return the current stack pointer, in an as |
94 | * to the current C stack pointer. Its property is that it changes with each call |
94 | * portable way as possible. */ |
95 | * and should be unique. */ |
|
|
96 | #define dSTACKLEVEL int stacklevel |
95 | #define dSTACKLEVEL volatile char stacklevel |
97 | #define STACKLEVEL ((void *)&stacklevel) |
96 | #define STACKLEVEL ((void *)&stacklevel) |
98 | |
97 | |
99 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
98 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
100 | |
99 | |
101 | #if __GNUC__ >= 3 |
100 | #if __GNUC__ >= 3 |
… | |
… | |
133 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
132 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
134 | static JMPENV *main_top_env; |
133 | static JMPENV *main_top_env; |
135 | static HV *coro_state_stash, *coro_stash; |
134 | static HV *coro_state_stash, *coro_stash; |
136 | static SV *coro_mortal; /* will be freed after next transfer */ |
135 | static SV *coro_mortal; /* will be freed after next transfer */ |
137 | |
136 | |
|
|
137 | static GV *irsgv; /* $/ */ |
|
|
138 | |
|
|
139 | /* async_pool helper stuff */ |
|
|
140 | static SV *sv_pool_rss; |
|
|
141 | static SV *sv_pool_size; |
|
|
142 | static AV *av_async_pool; |
|
|
143 | |
138 | static struct coro_cctx *cctx_first; |
144 | static struct coro_cctx *cctx_first; |
139 | static int cctx_count, cctx_idle; |
145 | static int cctx_count, cctx_idle; |
|
|
146 | |
|
|
147 | enum { |
|
|
148 | CC_MAPPED = 0x01, |
|
|
149 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
|
|
150 | CC_TRACE = 0x04, |
|
|
151 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
|
|
152 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
|
|
153 | CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE, |
|
|
154 | }; |
140 | |
155 | |
141 | /* this is a structure representing a c-level coroutine */ |
156 | /* this is a structure representing a c-level coroutine */ |
142 | typedef struct coro_cctx { |
157 | typedef struct coro_cctx { |
143 | struct coro_cctx *next; |
158 | struct coro_cctx *next; |
144 | |
159 | |
… | |
… | |
153 | coro_context cctx; |
168 | coro_context cctx; |
154 | |
169 | |
155 | #if CORO_USE_VALGRIND |
170 | #if CORO_USE_VALGRIND |
156 | int valgrind_id; |
171 | int valgrind_id; |
157 | #endif |
172 | #endif |
158 | char inuse, mapped; |
173 | unsigned char flags; |
159 | } coro_cctx; |
174 | } coro_cctx; |
160 | |
175 | |
161 | enum { |
176 | enum { |
162 | CF_RUNNING = 0x0001, /* coroutine is running */ |
177 | CF_RUNNING = 0x0001, /* coroutine is running */ |
163 | CF_READY = 0x0002, /* coroutine is ready */ |
178 | CF_READY = 0x0002, /* coroutine is ready */ |
… | |
… | |
171 | coro_cctx *cctx; |
186 | coro_cctx *cctx; |
172 | |
187 | |
173 | /* data associated with this coroutine (initial args) */ |
188 | /* data associated with this coroutine (initial args) */ |
174 | AV *args; |
189 | AV *args; |
175 | int refcnt; |
190 | int refcnt; |
176 | int save; /* CORO_SAVE flags */ |
|
|
177 | int flags; /* CF_ flags */ |
191 | int flags; /* CF_ flags */ |
178 | |
192 | |
179 | /* optionally saved, might be zero */ |
193 | /* optionally saved, might be zero */ |
180 | AV *defav; /* @_ */ |
194 | AV *defav; /* @_ */ |
181 | SV *defsv; /* $_ */ |
195 | SV *defsv; /* $_ */ |
182 | SV *errsv; /* $@ */ |
196 | SV *errsv; /* $@ */ |
183 | GV *deffh; /* default filehandle */ |
197 | IO *deffh; /* default filehandle */ |
184 | SV *irssv; /* $/ */ |
198 | SV *irssv; /* $/ */ |
185 | SV *irssv_sv; /* real $/ cache */ |
199 | SV *irssv_sv; /* real $/ cache */ |
186 | |
200 | |
187 | #define VAR(name,type) type name; |
201 | #define VAR(name,type) type name; |
188 | # include "state.h" |
202 | # include "state.h" |
189 | #undef VAR |
203 | #undef VAR |
|
|
204 | |
|
|
205 | /* statistics */ |
|
|
206 | int usecount; /* number of switches to this coro */ |
190 | |
207 | |
191 | /* coro process data */ |
208 | /* coro process data */ |
192 | int prio; |
209 | int prio; |
193 | |
210 | |
194 | /* linked list */ |
211 | /* linked list */ |
… | |
… | |
285 | SvMAGIC (cv) \ |
302 | SvMAGIC (cv) \ |
286 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
303 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
287 | ? SvMAGIC (cv) \ |
304 | ? SvMAGIC (cv) \ |
288 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
305 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
289 | : 0 |
306 | : 0 |
|
|
307 | |
|
|
308 | static struct coro * |
|
|
309 | SvSTATE_ (pTHX_ SV *coro) |
|
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310 | { |
|
|
311 | HV *stash; |
|
|
312 | MAGIC *mg; |
|
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313 | |
|
|
314 | if (SvROK (coro)) |
|
|
315 | coro = SvRV (coro); |
|
|
316 | |
|
|
317 | if (SvTYPE (coro) != SVt_PVHV) |
|
|
318 | croak ("Coro::State object required"); |
|
|
319 | |
|
|
320 | stash = SvSTASH (coro); |
|
|
321 | if (stash != coro_stash && stash != coro_state_stash) |
|
|
322 | { |
|
|
323 | /* very slow, but rare, check */ |
|
|
324 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
325 | croak ("Coro::State object required"); |
|
|
326 | } |
|
|
327 | |
|
|
328 | mg = CORO_MAGIC (coro); |
|
|
329 | return (struct coro *)mg->mg_ptr; |
|
|
330 | } |
|
|
331 | |
|
|
332 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
290 | |
333 | |
291 | /* the next two functions merely cache the padlists */ |
334 | /* the next two functions merely cache the padlists */ |
292 | static void |
335 | static void |
293 | get_padlist (pTHX_ CV *cv) |
336 | get_padlist (pTHX_ CV *cv) |
294 | { |
337 | { |
… | |
… | |
333 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
376 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
334 | } |
377 | } |
335 | |
378 | |
336 | /** load & save, init *******************************************************/ |
379 | /** load & save, init *******************************************************/ |
337 | |
380 | |
338 | #define SB do { |
|
|
339 | #define SE } while (0) |
|
|
340 | |
|
|
341 | #define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE |
|
|
342 | |
|
|
343 | static void |
381 | static void |
344 | load_perl (pTHX_ Coro__State c) |
382 | load_perl (pTHX_ Coro__State c) |
345 | { |
383 | { |
346 | #define VAR(name,type) PL_ ## name = c->name; |
384 | #define VAR(name,type) PL_ ## name = c->name; |
347 | # include "state.h" |
385 | # include "state.h" |
348 | #undef VAR |
386 | #undef VAR |
349 | |
387 | |
350 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
388 | GvSV (PL_defgv) = c->defsv; |
351 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
389 | GvAV (PL_defgv) = c->defav; |
352 | if (c->errsv) REPLACE_SV (ERRSV , c->errsv); |
390 | GvSV (PL_errgv) = c->errsv; |
353 | if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh); |
391 | PL_defoutgv = c->deffh; |
354 | |
392 | PL_rs = c->irssv; |
355 | if (c->irssv) |
393 | GvSV (irsgv) = c->irssv_sv; |
356 | { |
|
|
357 | if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv)) |
|
|
358 | { |
|
|
359 | SvREFCNT_dec (c->irssv); |
|
|
360 | c->irssv = 0; |
|
|
361 | } |
|
|
362 | else |
|
|
363 | { |
|
|
364 | REPLACE_SV (PL_rs, c->irssv); |
|
|
365 | if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0); |
|
|
366 | sv_setsv (c->irssv_sv, PL_rs); |
|
|
367 | } |
|
|
368 | } |
|
|
369 | |
394 | |
370 | { |
395 | { |
371 | dSP; |
396 | dSP; |
372 | CV *cv; |
397 | CV *cv; |
373 | |
398 | |
… | |
… | |
395 | /* |
420 | /* |
396 | * the worst thing you can imagine happens first - we have to save |
421 | * the worst thing you can imagine happens first - we have to save |
397 | * (and reinitialize) all cv's in the whole callchain :( |
422 | * (and reinitialize) all cv's in the whole callchain :( |
398 | */ |
423 | */ |
399 | |
424 | |
400 | EXTEND (SP, 3 + 1); |
|
|
401 | PUSHs (Nullsv); |
425 | XPUSHs (Nullsv); |
402 | /* this loop was inspired by pp_caller */ |
426 | /* this loop was inspired by pp_caller */ |
403 | for (;;) |
427 | for (;;) |
404 | { |
428 | { |
405 | while (cxix >= 0) |
429 | while (cxix >= 0) |
406 | { |
430 | { |
… | |
… | |
425 | |
449 | |
426 | if (top_si->si_type == PERLSI_MAIN) |
450 | if (top_si->si_type == PERLSI_MAIN) |
427 | break; |
451 | break; |
428 | |
452 | |
429 | top_si = top_si->si_prev; |
453 | top_si = top_si->si_prev; |
430 | ccstk = top_si->si_cxstack; |
454 | ccstk = top_si->si_cxstack; |
431 | cxix = top_si->si_cxix; |
455 | cxix = top_si->si_cxix; |
432 | } |
456 | } |
433 | |
457 | |
434 | PUTBACK; |
458 | PUTBACK; |
435 | } |
459 | } |
436 | |
460 | |
437 | c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; |
461 | c->defav = GvAV (PL_defgv); |
438 | c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; |
462 | c->defsv = DEFSV; |
439 | c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; |
463 | c->errsv = ERRSV; |
440 | c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0; |
464 | c->deffh = PL_defoutgv; |
441 | c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; |
465 | c->irssv = PL_rs; |
|
|
466 | c->irssv_sv = GvSV (irsgv); |
442 | |
467 | |
443 | #define VAR(name,type)c->name = PL_ ## name; |
468 | #define VAR(name,type)c->name = PL_ ## name; |
444 | # include "state.h" |
469 | # include "state.h" |
445 | #undef VAR |
470 | #undef VAR |
446 | } |
471 | } |
… | |
… | |
455 | # define coro_init_stacks init_stacks |
480 | # define coro_init_stacks init_stacks |
456 | #else |
481 | #else |
457 | static void |
482 | static void |
458 | coro_init_stacks (pTHX) |
483 | coro_init_stacks (pTHX) |
459 | { |
484 | { |
460 | PL_curstackinfo = new_stackinfo(64, 4); |
485 | PL_curstackinfo = new_stackinfo(64, 6); |
461 | PL_curstackinfo->si_type = PERLSI_MAIN; |
486 | PL_curstackinfo->si_type = PERLSI_MAIN; |
462 | PL_curstack = PL_curstackinfo->si_stack; |
487 | PL_curstack = PL_curstackinfo->si_stack; |
463 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
488 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
464 | |
489 | |
465 | PL_stack_base = AvARRAY(PL_curstack); |
490 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
486 | New(54,PL_savestack,64,ANY); |
511 | New(54,PL_savestack,64,ANY); |
487 | PL_savestack_ix = 0; |
512 | PL_savestack_ix = 0; |
488 | PL_savestack_max = 64; |
513 | PL_savestack_max = 64; |
489 | |
514 | |
490 | #if !PERL_VERSION_ATLEAST (5,9,0) |
515 | #if !PERL_VERSION_ATLEAST (5,9,0) |
491 | New(54,PL_retstack,8,OP*); |
516 | New(54,PL_retstack,4,OP*); |
492 | PL_retstack_ix = 0; |
517 | PL_retstack_ix = 0; |
493 | PL_retstack_max = 8; |
518 | PL_retstack_max = 4; |
494 | #endif |
519 | #endif |
495 | } |
520 | } |
496 | #endif |
521 | #endif |
497 | |
522 | |
498 | /* |
523 | /* |
499 | * destroy the stacks, the callchain etc... |
524 | * destroy the stacks, the callchain etc... |
500 | */ |
525 | */ |
501 | static void |
526 | static void |
502 | coro_destroy_stacks (pTHX) |
527 | coro_destroy_stacks (pTHX) |
503 | { |
528 | { |
504 | if (!IN_DESTRUCT) |
|
|
505 | { |
|
|
506 | /* restore all saved variables and stuff */ |
|
|
507 | LEAVE_SCOPE (0); |
|
|
508 | assert (PL_tmps_floor == -1); |
|
|
509 | |
|
|
510 | /* free all temporaries */ |
|
|
511 | FREETMPS; |
|
|
512 | assert (PL_tmps_ix == -1); |
|
|
513 | |
|
|
514 | /* unwind all extra stacks */ |
|
|
515 | POPSTACK_TO (PL_mainstack); |
|
|
516 | |
|
|
517 | /* unwind main stack */ |
|
|
518 | dounwind (-1); |
|
|
519 | } |
|
|
520 | |
|
|
521 | while (PL_curstackinfo->si_next) |
529 | while (PL_curstackinfo->si_next) |
522 | PL_curstackinfo = PL_curstackinfo->si_next; |
530 | PL_curstackinfo = PL_curstackinfo->si_next; |
523 | |
531 | |
524 | while (PL_curstackinfo) |
532 | while (PL_curstackinfo) |
525 | { |
533 | { |
… | |
… | |
541 | Safefree (PL_retstack); |
549 | Safefree (PL_retstack); |
542 | #endif |
550 | #endif |
543 | } |
551 | } |
544 | |
552 | |
545 | static size_t |
553 | static size_t |
546 | coro_rss (struct coro *coro) |
554 | coro_rss (pTHX_ struct coro *coro) |
547 | { |
555 | { |
548 | size_t rss = sizeof (coro); |
556 | size_t rss = sizeof (coro); |
549 | |
557 | |
550 | if (coro->mainstack) |
558 | if (coro->mainstack) |
551 | { |
559 | { |
… | |
… | |
574 | } |
582 | } |
575 | |
583 | |
576 | /** coroutine stack handling ************************************************/ |
584 | /** coroutine stack handling ************************************************/ |
577 | |
585 | |
578 | static void |
586 | static void |
579 | setup_coro (pTHX_ struct coro *coro) |
587 | coro_setup (pTHX_ struct coro *coro) |
580 | { |
588 | { |
581 | /* |
589 | /* |
582 | * emulate part of the perl startup here. |
590 | * emulate part of the perl startup here. |
583 | */ |
591 | */ |
584 | coro_init_stacks (aTHX); |
592 | coro_init_stacks (aTHX); |
585 | |
593 | |
|
|
594 | PL_runops = RUNOPS_DEFAULT; |
586 | PL_curcop = &PL_compiling; |
595 | PL_curcop = &PL_compiling; |
587 | PL_in_eval = EVAL_NULL; |
596 | PL_in_eval = EVAL_NULL; |
588 | PL_comppad = 0; |
597 | PL_comppad = 0; |
589 | PL_curpm = 0; |
598 | PL_curpm = 0; |
590 | PL_localizing = 0; |
599 | PL_localizing = 0; |
591 | PL_dirty = 0; |
600 | PL_dirty = 0; |
592 | PL_restartop = 0; |
601 | PL_restartop = 0; |
|
|
602 | |
|
|
603 | GvSV (PL_defgv) = NEWSV (0, 0); |
|
|
604 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
605 | GvSV (PL_errgv) = NEWSV (0, 0); |
|
|
606 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
607 | PL_rs = newSVsv (GvSV (irsgv)); |
|
|
608 | |
|
|
609 | { |
|
|
610 | IO *io = newIO (); |
|
|
611 | PL_defoutgv = newGVgen ("Coro"); |
|
|
612 | GvIOp(PL_defoutgv) = io; |
|
|
613 | IoTYPE (io) = IoTYPE_WRONLY; |
|
|
614 | IoOFP (io) = IoIFP (io) = PerlIO_stdout (); |
|
|
615 | IoFLAGS (io) |= IOf_FLUSH; |
|
|
616 | } |
593 | |
617 | |
594 | { |
618 | { |
595 | dSP; |
619 | dSP; |
596 | LOGOP myop; |
620 | LOGOP myop; |
597 | |
|
|
598 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
599 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
600 | |
621 | |
601 | Zero (&myop, 1, LOGOP); |
622 | Zero (&myop, 1, LOGOP); |
602 | myop.op_next = Nullop; |
623 | myop.op_next = Nullop; |
603 | myop.op_flags = OPf_WANT_VOID; |
624 | myop.op_flags = OPf_WANT_VOID; |
604 | |
625 | |
… | |
… | |
612 | |
633 | |
613 | ENTER; /* necessary e.g. for dounwind */ |
634 | ENTER; /* necessary e.g. for dounwind */ |
614 | } |
635 | } |
615 | |
636 | |
616 | static void |
637 | static void |
|
|
638 | coro_destroy (pTHX_ struct coro *coro) |
|
|
639 | { |
|
|
640 | if (!IN_DESTRUCT) |
|
|
641 | { |
|
|
642 | /* restore all saved variables and stuff */ |
|
|
643 | LEAVE_SCOPE (0); |
|
|
644 | assert (PL_tmps_floor == -1); |
|
|
645 | |
|
|
646 | /* free all temporaries */ |
|
|
647 | FREETMPS; |
|
|
648 | assert (PL_tmps_ix == -1); |
|
|
649 | |
|
|
650 | /* unwind all extra stacks */ |
|
|
651 | POPSTACK_TO (PL_mainstack); |
|
|
652 | |
|
|
653 | /* unwind main stack */ |
|
|
654 | dounwind (-1); |
|
|
655 | } |
|
|
656 | |
|
|
657 | SvREFCNT_dec (GvSV (PL_defgv)); |
|
|
658 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
659 | SvREFCNT_dec (GvSV (PL_errgv)); |
|
|
660 | SvREFCNT_dec (PL_defoutgv); |
|
|
661 | SvREFCNT_dec (PL_rs); |
|
|
662 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
663 | |
|
|
664 | coro_destroy_stacks (aTHX); |
|
|
665 | } |
|
|
666 | |
|
|
667 | static void |
617 | free_coro_mortal (pTHX) |
668 | free_coro_mortal (pTHX) |
618 | { |
669 | { |
619 | if (coro_mortal) |
670 | if (coro_mortal) |
620 | { |
671 | { |
621 | SvREFCNT_dec (coro_mortal); |
672 | SvREFCNT_dec (coro_mortal); |
622 | coro_mortal = 0; |
673 | coro_mortal = 0; |
623 | } |
674 | } |
|
|
675 | } |
|
|
676 | |
|
|
677 | static int |
|
|
678 | runops_trace (pTHX) |
|
|
679 | { |
|
|
680 | COP *oldcop = 0; |
|
|
681 | int oldcxix = -2; |
|
|
682 | struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */ |
|
|
683 | coro_cctx *cctx = coro->cctx; |
|
|
684 | |
|
|
685 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
|
|
686 | { |
|
|
687 | PERL_ASYNC_CHECK (); |
|
|
688 | |
|
|
689 | if (cctx->flags & CC_TRACE_ALL) |
|
|
690 | { |
|
|
691 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
|
|
692 | { |
|
|
693 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
694 | SV **bot, **top; |
|
|
695 | AV *av = newAV (); /* return values */ |
|
|
696 | SV **cb; |
|
|
697 | dSP; |
|
|
698 | |
|
|
699 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
700 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
701 | if (isGV (gv)) |
|
|
702 | gv_efullname3 (fullname, gv, 0); |
|
|
703 | |
|
|
704 | bot = PL_stack_base + cx->blk_oldsp + 1; |
|
|
705 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
|
|
706 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
|
|
707 | : bot; |
|
|
708 | |
|
|
709 | while (bot < top) |
|
|
710 | av_push (av, SvREFCNT_inc (*bot++)); |
|
|
711 | |
|
|
712 | PL_runops = RUNOPS_DEFAULT; |
|
|
713 | ENTER; |
|
|
714 | SAVETMPS; |
|
|
715 | EXTEND (SP, 3); |
|
|
716 | PUSHMARK (SP); |
|
|
717 | PUSHs (&PL_sv_no); |
|
|
718 | PUSHs (fullname); |
|
|
719 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
720 | PUTBACK; |
|
|
721 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
722 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
723 | SPAGAIN; |
|
|
724 | FREETMPS; |
|
|
725 | LEAVE; |
|
|
726 | PL_runops = runops_trace; |
|
|
727 | } |
|
|
728 | |
|
|
729 | if (oldcop != PL_curcop) |
|
|
730 | { |
|
|
731 | oldcop = PL_curcop; |
|
|
732 | |
|
|
733 | if (PL_curcop != &PL_compiling) |
|
|
734 | { |
|
|
735 | SV **cb; |
|
|
736 | |
|
|
737 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
|
|
738 | { |
|
|
739 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
740 | |
|
|
741 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
|
|
742 | { |
|
|
743 | runops_proc_t old_runops = PL_runops; |
|
|
744 | dSP; |
|
|
745 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
746 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
747 | |
|
|
748 | if (isGV (gv)) |
|
|
749 | gv_efullname3 (fullname, gv, 0); |
|
|
750 | |
|
|
751 | PL_runops = RUNOPS_DEFAULT; |
|
|
752 | ENTER; |
|
|
753 | SAVETMPS; |
|
|
754 | EXTEND (SP, 3); |
|
|
755 | PUSHMARK (SP); |
|
|
756 | PUSHs (&PL_sv_yes); |
|
|
757 | PUSHs (fullname); |
|
|
758 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
|
|
759 | PUTBACK; |
|
|
760 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
761 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
762 | SPAGAIN; |
|
|
763 | FREETMPS; |
|
|
764 | LEAVE; |
|
|
765 | PL_runops = runops_trace; |
|
|
766 | } |
|
|
767 | |
|
|
768 | oldcxix = cxstack_ix; |
|
|
769 | } |
|
|
770 | |
|
|
771 | if (cctx->flags & CC_TRACE_LINE) |
|
|
772 | { |
|
|
773 | dSP; |
|
|
774 | |
|
|
775 | PL_runops = RUNOPS_DEFAULT; |
|
|
776 | ENTER; |
|
|
777 | SAVETMPS; |
|
|
778 | EXTEND (SP, 3); |
|
|
779 | PL_runops = RUNOPS_DEFAULT; |
|
|
780 | PUSHMARK (SP); |
|
|
781 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
|
|
782 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
|
|
783 | PUTBACK; |
|
|
784 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
|
|
785 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
786 | SPAGAIN; |
|
|
787 | FREETMPS; |
|
|
788 | LEAVE; |
|
|
789 | PL_runops = runops_trace; |
|
|
790 | } |
|
|
791 | } |
|
|
792 | } |
|
|
793 | } |
|
|
794 | } |
|
|
795 | |
|
|
796 | TAINT_NOT; |
|
|
797 | return 0; |
624 | } |
798 | } |
625 | |
799 | |
626 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
800 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
627 | /* _cctx_init should be careful, as it could be called at almost any time */ |
801 | /* _cctx_init should be careful, as it could be called at almost any time */ |
628 | /* during execution of a perl program */ |
802 | /* during execution of a perl program */ |
629 | static void NOINLINE |
803 | static void NOINLINE |
630 | prepare_cctx (pTHX_ coro_cctx *cctx) |
804 | prepare_cctx (pTHX_ coro_cctx *cctx) |
631 | { |
805 | { |
632 | dSP; |
806 | dSP; |
633 | LOGOP myop; |
807 | LOGOP myop; |
|
|
808 | |
|
|
809 | PL_top_env = &PL_start_env; |
|
|
810 | |
|
|
811 | if (cctx->flags & CC_TRACE) |
|
|
812 | PL_runops = runops_trace; |
634 | |
813 | |
635 | Zero (&myop, 1, LOGOP); |
814 | Zero (&myop, 1, LOGOP); |
636 | myop.op_next = PL_op; |
815 | myop.op_next = PL_op; |
637 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
816 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
638 | |
817 | |
… | |
… | |
655 | dTHX; |
834 | dTHX; |
656 | |
835 | |
657 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
836 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
658 | UNLOCK; |
837 | UNLOCK; |
659 | |
838 | |
660 | PL_top_env = &PL_start_env; |
839 | /* we now skip the entersub that lead to transfer() */ |
|
|
840 | PL_op = PL_op->op_next; |
661 | |
841 | |
662 | /* inject a fake subroutine call to cctx_init */ |
842 | /* inject a fake subroutine call to cctx_init */ |
663 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
843 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
664 | |
844 | |
665 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
845 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
… | |
… | |
699 | # if CORO_STACKGUARD |
879 | # if CORO_STACKGUARD |
700 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
880 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
701 | # endif |
881 | # endif |
702 | stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
882 | stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
703 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
883 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
704 | cctx->mapped = 1; |
884 | cctx->flags |= CC_MAPPED; |
705 | } |
885 | } |
706 | else |
886 | else |
707 | #endif |
887 | #endif |
708 | { |
888 | { |
709 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
889 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
… | |
… | |
736 | #if CORO_USE_VALGRIND |
916 | #if CORO_USE_VALGRIND |
737 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
917 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
738 | #endif |
918 | #endif |
739 | |
919 | |
740 | #if HAVE_MMAP |
920 | #if HAVE_MMAP |
741 | if (cctx->mapped) |
921 | if (cctx->flags & CC_MAPPED) |
742 | munmap (cctx->sptr, cctx->ssize); |
922 | munmap (cctx->sptr, cctx->ssize); |
743 | else |
923 | else |
744 | #endif |
924 | #endif |
745 | Safefree (cctx->sptr); |
925 | Safefree (cctx->sptr); |
746 | |
926 | |
… | |
… | |
754 | { |
934 | { |
755 | coro_cctx *cctx = cctx_first; |
935 | coro_cctx *cctx = cctx_first; |
756 | cctx_first = cctx->next; |
936 | cctx_first = cctx->next; |
757 | --cctx_idle; |
937 | --cctx_idle; |
758 | |
938 | |
759 | if (cctx->ssize >= coro_stacksize) |
939 | if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE)) |
760 | return cctx; |
940 | return cctx; |
761 | |
941 | |
762 | cctx_destroy (cctx); |
942 | cctx_destroy (cctx); |
763 | } |
943 | } |
764 | |
944 | |
765 | PL_op = PL_op->op_next; |
|
|
766 | return cctx_new (); |
945 | return cctx_new (); |
767 | } |
946 | } |
768 | |
947 | |
769 | static void |
948 | static void |
770 | cctx_put (coro_cctx *cctx) |
949 | cctx_put (coro_cctx *cctx) |
… | |
… | |
774 | { |
953 | { |
775 | coro_cctx *first = cctx_first; |
954 | coro_cctx *first = cctx_first; |
776 | cctx_first = first->next; |
955 | cctx_first = first->next; |
777 | --cctx_idle; |
956 | --cctx_idle; |
778 | |
957 | |
779 | assert (!first->inuse); |
|
|
780 | cctx_destroy (first); |
958 | cctx_destroy (first); |
781 | } |
959 | } |
782 | |
960 | |
783 | ++cctx_idle; |
961 | ++cctx_idle; |
784 | cctx->next = cctx_first; |
962 | cctx->next = cctx_first; |
785 | cctx_first = cctx; |
963 | cctx_first = cctx; |
786 | } |
964 | } |
787 | |
965 | |
788 | /** coroutine switching *****************************************************/ |
966 | /** coroutine switching *****************************************************/ |
789 | |
967 | |
790 | /* never call directly, always through the coro_state_transfer global variable */ |
968 | static void NOINLINE |
|
|
969 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
|
|
970 | { |
|
|
971 | if (prev != next) |
|
|
972 | { |
|
|
973 | if (!(prev->flags & (CF_RUNNING | CF_NEW))) |
|
|
974 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
|
|
975 | |
|
|
976 | if (next->flags & CF_RUNNING) |
|
|
977 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
978 | |
|
|
979 | if (next->flags & CF_DESTROYED) |
|
|
980 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
981 | |
|
|
982 | if (PL_lex_state != LEX_NOTPARSING) |
|
|
983 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
|
|
984 | } |
|
|
985 | } |
|
|
986 | |
|
|
987 | /* always use the TRANSFER macro */ |
791 | static void NOINLINE |
988 | static void NOINLINE |
792 | transfer (pTHX_ struct coro *prev, struct coro *next) |
989 | transfer (pTHX_ struct coro *prev, struct coro *next) |
793 | { |
990 | { |
794 | dSTACKLEVEL; |
991 | dSTACKLEVEL; |
795 | |
992 | |
… | |
… | |
805 | |
1002 | |
806 | if (prev->flags & CF_NEW) |
1003 | if (prev->flags & CF_NEW) |
807 | { |
1004 | { |
808 | /* create a new empty context */ |
1005 | /* create a new empty context */ |
809 | Newz (0, prev->cctx, 1, coro_cctx); |
1006 | Newz (0, prev->cctx, 1, coro_cctx); |
810 | prev->cctx->inuse = 1; |
|
|
811 | prev->flags &= ~CF_NEW; |
1007 | prev->flags &= ~CF_NEW; |
812 | prev->flags |= CF_RUNNING; |
1008 | prev->flags |= CF_RUNNING; |
813 | } |
1009 | } |
814 | |
|
|
815 | /*TODO: must not croak here */ |
|
|
816 | if (!prev->flags & CF_RUNNING) |
|
|
817 | croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states"); |
|
|
818 | |
|
|
819 | if (next->flags & CF_RUNNING) |
|
|
820 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
821 | |
|
|
822 | if (next->flags & CF_DESTROYED) |
|
|
823 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
824 | |
1010 | |
825 | prev->flags &= ~CF_RUNNING; |
1011 | prev->flags &= ~CF_RUNNING; |
826 | next->flags |= CF_RUNNING; |
1012 | next->flags |= CF_RUNNING; |
827 | |
1013 | |
828 | LOCK; |
1014 | LOCK; |
… | |
… | |
832 | /* need to start coroutine */ |
1018 | /* need to start coroutine */ |
833 | next->flags &= ~CF_NEW; |
1019 | next->flags &= ~CF_NEW; |
834 | /* first get rid of the old state */ |
1020 | /* first get rid of the old state */ |
835 | save_perl (aTHX_ prev); |
1021 | save_perl (aTHX_ prev); |
836 | /* setup coroutine call */ |
1022 | /* setup coroutine call */ |
837 | setup_coro (aTHX_ next); |
1023 | coro_setup (aTHX_ next); |
838 | /* need a new stack */ |
|
|
839 | assert (!next->cctx); |
|
|
840 | } |
1024 | } |
841 | else |
1025 | else |
842 | { |
1026 | { |
843 | /* coroutine already started */ |
1027 | /* coroutine already started */ |
844 | save_perl (aTHX_ prev); |
1028 | save_perl (aTHX_ prev); |
… | |
… | |
846 | } |
1030 | } |
847 | |
1031 | |
848 | prev__cctx = prev->cctx; |
1032 | prev__cctx = prev->cctx; |
849 | |
1033 | |
850 | /* possibly "free" the cctx */ |
1034 | /* possibly "free" the cctx */ |
851 | if (prev__cctx->idle_sp == STACKLEVEL) |
1035 | if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)) |
852 | { |
1036 | { |
853 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1037 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
854 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1038 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
855 | |
1039 | |
856 | prev->cctx = 0; |
1040 | prev->cctx = 0; |
857 | |
1041 | |
858 | cctx_put (prev__cctx); |
1042 | cctx_put (prev__cctx); |
859 | prev__cctx->inuse = 0; |
|
|
860 | } |
1043 | } |
861 | |
1044 | |
|
|
1045 | ++next->usecount; |
|
|
1046 | |
862 | if (!next->cctx) |
1047 | if (!next->cctx) |
863 | { |
|
|
864 | next->cctx = cctx_get (aTHX); |
1048 | next->cctx = cctx_get (aTHX); |
865 | assert (!next->cctx->inuse); |
|
|
866 | next->cctx->inuse = 1; |
|
|
867 | } |
|
|
868 | |
1049 | |
869 | if (prev__cctx != next->cctx) |
1050 | if (prev__cctx != next->cctx) |
870 | { |
1051 | { |
871 | prev__cctx->top_env = PL_top_env; |
1052 | prev__cctx->top_env = PL_top_env; |
872 | PL_top_env = next->cctx->top_env; |
1053 | PL_top_env = next->cctx->top_env; |
… | |
… | |
882 | { |
1063 | { |
883 | struct coro *prev, *next; |
1064 | struct coro *prev, *next; |
884 | }; |
1065 | }; |
885 | |
1066 | |
886 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
1067 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
|
|
1068 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
887 | |
1069 | |
888 | /** high level stuff ********************************************************/ |
1070 | /** high level stuff ********************************************************/ |
889 | |
1071 | |
890 | static int |
1072 | static int |
891 | coro_state_destroy (pTHX_ struct coro *coro) |
1073 | coro_state_destroy (pTHX_ struct coro *coro) |
… | |
… | |
908 | |
1090 | |
909 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1091 | if (coro->mainstack && coro->mainstack != main_mainstack) |
910 | { |
1092 | { |
911 | struct coro temp; |
1093 | struct coro temp; |
912 | |
1094 | |
913 | assert (!(coro->flags & CF_RUNNING)); |
|
|
914 | |
|
|
915 | Zero (&temp, 1, struct coro); |
|
|
916 | temp.save = CORO_SAVE_ALL; |
|
|
917 | |
|
|
918 | if (coro->flags & CF_RUNNING) |
1095 | if (coro->flags & CF_RUNNING) |
919 | croak ("FATAL: tried to destroy currently running coroutine"); |
1096 | croak ("FATAL: tried to destroy currently running coroutine"); |
920 | |
1097 | |
921 | save_perl (aTHX_ &temp); |
1098 | save_perl (aTHX_ &temp); |
922 | load_perl (aTHX_ coro); |
1099 | load_perl (aTHX_ coro); |
923 | |
1100 | |
924 | coro_destroy_stacks (aTHX); |
1101 | coro_destroy (aTHX_ coro); |
925 | |
1102 | |
926 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
1103 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
927 | |
1104 | |
928 | coro->mainstack = 0; |
1105 | coro->mainstack = 0; |
929 | } |
1106 | } |
… | |
… | |
974 | #else |
1151 | #else |
975 | # define MGf_DUP 0 |
1152 | # define MGf_DUP 0 |
976 | #endif |
1153 | #endif |
977 | }; |
1154 | }; |
978 | |
1155 | |
979 | static struct coro * |
|
|
980 | SvSTATE_ (pTHX_ SV *coro) |
|
|
981 | { |
|
|
982 | HV *stash; |
|
|
983 | MAGIC *mg; |
|
|
984 | |
|
|
985 | if (SvROK (coro)) |
|
|
986 | coro = SvRV (coro); |
|
|
987 | |
|
|
988 | stash = SvSTASH (coro); |
|
|
989 | if (stash != coro_stash && stash != coro_state_stash) |
|
|
990 | { |
|
|
991 | /* very slow, but rare, check */ |
|
|
992 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
993 | croak ("Coro::State object required"); |
|
|
994 | } |
|
|
995 | |
|
|
996 | mg = CORO_MAGIC (coro); |
|
|
997 | return (struct coro *)mg->mg_ptr; |
|
|
998 | } |
|
|
999 | |
|
|
1000 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
1001 | |
|
|
1002 | static void |
1156 | static void |
1003 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1157 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1004 | { |
1158 | { |
1005 | ta->prev = SvSTATE (prev_sv); |
1159 | ta->prev = SvSTATE (prev_sv); |
1006 | ta->next = SvSTATE (next_sv); |
1160 | ta->next = SvSTATE (next_sv); |
|
|
1161 | TRANSFER_CHECK (*ta); |
1007 | } |
1162 | } |
1008 | |
1163 | |
1009 | static void |
1164 | static void |
1010 | api_transfer (SV *prev_sv, SV *next_sv) |
1165 | api_transfer (SV *prev_sv, SV *next_sv) |
1011 | { |
1166 | { |
1012 | dTHX; |
1167 | dTHX; |
1013 | struct transfer_args ta; |
1168 | struct transfer_args ta; |
1014 | |
1169 | |
1015 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1170 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1016 | TRANSFER (ta); |
1171 | TRANSFER (ta); |
1017 | } |
|
|
1018 | |
|
|
1019 | static int |
|
|
1020 | api_save (SV *coro_sv, int new_save) |
|
|
1021 | { |
|
|
1022 | dTHX; |
|
|
1023 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1024 | int old_save = coro->save; |
|
|
1025 | |
|
|
1026 | if (new_save >= 0) |
|
|
1027 | coro->save = new_save; |
|
|
1028 | |
|
|
1029 | return old_save; |
|
|
1030 | } |
1172 | } |
1031 | |
1173 | |
1032 | /** Coro ********************************************************************/ |
1174 | /** Coro ********************************************************************/ |
1033 | |
1175 | |
1034 | static void |
1176 | static void |
… | |
… | |
1128 | break; |
1270 | break; |
1129 | } |
1271 | } |
1130 | |
1272 | |
1131 | /* free this only after the transfer */ |
1273 | /* free this only after the transfer */ |
1132 | prev_sv = SvRV (coro_current); |
1274 | prev_sv = SvRV (coro_current); |
1133 | SvRV_set (coro_current, next_sv); |
|
|
1134 | ta->prev = SvSTATE (prev_sv); |
1275 | ta->prev = SvSTATE (prev_sv); |
1135 | |
1276 | TRANSFER_CHECK (*ta); |
1136 | assert (ta->next->flags & CF_READY); |
1277 | assert (ta->next->flags & CF_READY); |
1137 | ta->next->flags &= ~CF_READY; |
1278 | ta->next->flags &= ~CF_READY; |
|
|
1279 | SvRV_set (coro_current, next_sv); |
1138 | |
1280 | |
1139 | LOCK; |
1281 | LOCK; |
1140 | free_coro_mortal (aTHX); |
1282 | free_coro_mortal (aTHX); |
1141 | coro_mortal = prev_sv; |
1283 | coro_mortal = prev_sv; |
1142 | UNLOCK; |
1284 | UNLOCK; |
… | |
… | |
1203 | } |
1345 | } |
1204 | else |
1346 | else |
1205 | return 0; |
1347 | return 0; |
1206 | } |
1348 | } |
1207 | |
1349 | |
|
|
1350 | static void |
|
|
1351 | api_trace (SV *coro_sv, int flags) |
|
|
1352 | { |
|
|
1353 | dTHX; |
|
|
1354 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1355 | |
|
|
1356 | if (flags & CC_TRACE) |
|
|
1357 | { |
|
|
1358 | if (!coro->cctx) |
|
|
1359 | coro->cctx = cctx_new (); |
|
|
1360 | else if (!(coro->cctx->flags & CC_TRACE)) |
|
|
1361 | croak ("cannot enable tracing on coroutine with custom stack"); |
|
|
1362 | |
|
|
1363 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
|
|
1364 | } |
|
|
1365 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
|
|
1366 | { |
|
|
1367 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
|
|
1368 | |
|
|
1369 | if (coro->flags & CF_RUNNING) |
|
|
1370 | PL_runops = RUNOPS_DEFAULT; |
|
|
1371 | else |
|
|
1372 | coro->runops = RUNOPS_DEFAULT; |
|
|
1373 | } |
|
|
1374 | } |
|
|
1375 | |
1208 | MODULE = Coro::State PACKAGE = Coro::State |
1376 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1209 | |
1377 | |
1210 | PROTOTYPES: DISABLE |
1378 | PROTOTYPES: DISABLE |
1211 | |
1379 | |
1212 | BOOT: |
1380 | BOOT: |
1213 | { |
1381 | { |
1214 | #ifdef USE_ITHREADS |
1382 | #ifdef USE_ITHREADS |
1215 | MUTEX_INIT (&coro_mutex); |
1383 | MUTEX_INIT (&coro_mutex); |
1216 | #endif |
1384 | #endif |
1217 | BOOT_PAGESIZE; |
1385 | BOOT_PAGESIZE; |
1218 | |
1386 | |
|
|
1387 | irsgv = gv_fetchpv ("/", 1, SVt_PV); |
|
|
1388 | |
1219 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1389 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1220 | |
1390 | |
1221 | newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); |
1391 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1222 | newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); |
1392 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1223 | newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); |
|
|
1224 | newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); |
|
|
1225 | newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH)); |
|
|
1226 | newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF)); |
1393 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
1227 | newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); |
1394 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
1228 | |
1395 | |
1229 | main_mainstack = PL_mainstack; |
1396 | main_mainstack = PL_mainstack; |
1230 | main_top_env = PL_top_env; |
1397 | main_top_env = PL_top_env; |
1231 | |
1398 | |
1232 | while (main_top_env->je_prev) |
1399 | while (main_top_env->je_prev) |
… | |
… | |
1245 | struct coro *coro; |
1412 | struct coro *coro; |
1246 | HV *hv; |
1413 | HV *hv; |
1247 | int i; |
1414 | int i; |
1248 | |
1415 | |
1249 | Newz (0, coro, 1, struct coro); |
1416 | Newz (0, coro, 1, struct coro); |
1250 | coro->args = newAV (); |
1417 | coro->args = newAV (); |
1251 | coro->save = CORO_SAVE_DEF; |
|
|
1252 | coro->flags = CF_NEW; |
1418 | coro->flags = CF_NEW; |
1253 | |
1419 | |
1254 | if (coro_first) coro_first->prev = coro; |
1420 | if (coro_first) coro_first->prev = coro; |
1255 | coro->next = coro_first; |
1421 | coro->next = coro_first; |
1256 | coro_first = coro; |
1422 | coro_first = coro; |
… | |
… | |
1263 | av_push (coro->args, newSVsv (ST (i))); |
1429 | av_push (coro->args, newSVsv (ST (i))); |
1264 | } |
1430 | } |
1265 | OUTPUT: |
1431 | OUTPUT: |
1266 | RETVAL |
1432 | RETVAL |
1267 | |
1433 | |
1268 | int |
1434 | # these not obviously related functions are all rolled into the same xs |
1269 | save (SV *coro, int new_save = -1) |
1435 | # function to increase chances that they all will call transfer with the same |
1270 | CODE: |
1436 | # stack offset |
1271 | RETVAL = api_save (coro, new_save); |
|
|
1272 | OUTPUT: |
|
|
1273 | RETVAL |
|
|
1274 | |
|
|
1275 | int |
|
|
1276 | save_also (SV *coro_sv, int save_also) |
|
|
1277 | CODE: |
|
|
1278 | { |
|
|
1279 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1280 | RETVAL = coro->save; |
|
|
1281 | coro->save |= save_also; |
|
|
1282 | } |
|
|
1283 | OUTPUT: |
|
|
1284 | RETVAL |
|
|
1285 | |
|
|
1286 | void |
1437 | void |
1287 | _set_stacklevel (...) |
1438 | _set_stacklevel (...) |
1288 | ALIAS: |
1439 | ALIAS: |
1289 | Coro::State::transfer = 1 |
1440 | Coro::State::transfer = 1 |
1290 | Coro::schedule = 2 |
1441 | Coro::schedule = 2 |
… | |
… | |
1376 | if (coro->hv) |
1527 | if (coro->hv) |
1377 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
1528 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
1378 | } |
1529 | } |
1379 | |
1530 | |
1380 | void |
1531 | void |
1381 | _eval (Coro::State coro, SV *coderef) |
1532 | call (Coro::State coro, SV *coderef) |
|
|
1533 | ALIAS: |
|
|
1534 | eval = 1 |
1382 | CODE: |
1535 | CODE: |
1383 | { |
1536 | { |
1384 | if (coro->mainstack) |
1537 | if (coro->mainstack) |
1385 | { |
1538 | { |
1386 | struct coro temp; |
1539 | struct coro temp; |
1387 | Zero (&temp, 1, struct coro); |
1540 | Zero (&temp, 1, struct coro); |
1388 | temp.save = CORO_SAVE_ALL; |
|
|
1389 | |
1541 | |
1390 | if (!(coro->flags & CF_RUNNING)) |
1542 | if (!(coro->flags & CF_RUNNING)) |
1391 | { |
1543 | { |
1392 | save_perl (aTHX_ &temp); |
1544 | save_perl (aTHX_ &temp); |
1393 | load_perl (aTHX_ coro); |
1545 | load_perl (aTHX_ coro); |
… | |
… | |
1397 | dSP; |
1549 | dSP; |
1398 | ENTER; |
1550 | ENTER; |
1399 | SAVETMPS; |
1551 | SAVETMPS; |
1400 | PUSHMARK (SP); |
1552 | PUSHMARK (SP); |
1401 | PUTBACK; |
1553 | PUTBACK; |
|
|
1554 | if (ix) |
|
|
1555 | eval_sv (coderef, 0); |
|
|
1556 | else |
1402 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1557 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1403 | SPAGAIN; |
1558 | SPAGAIN; |
1404 | FREETMPS; |
1559 | FREETMPS; |
1405 | LEAVE; |
1560 | LEAVE; |
1406 | PUTBACK; |
1561 | PUTBACK; |
1407 | } |
1562 | } |
… | |
… | |
1411 | save_perl (aTHX_ coro); |
1566 | save_perl (aTHX_ coro); |
1412 | load_perl (aTHX_ &temp); |
1567 | load_perl (aTHX_ &temp); |
1413 | } |
1568 | } |
1414 | } |
1569 | } |
1415 | } |
1570 | } |
1416 | |
1571 | |
1417 | SV * |
1572 | SV * |
1418 | is_ready (Coro::State coro) |
1573 | is_ready (Coro::State coro) |
1419 | PROTOTYPE: $ |
1574 | PROTOTYPE: $ |
1420 | ALIAS: |
1575 | ALIAS: |
1421 | is_ready = CF_READY |
1576 | is_ready = CF_READY |
… | |
… | |
1425 | CODE: |
1580 | CODE: |
1426 | RETVAL = boolSV (coro->flags & ix); |
1581 | RETVAL = boolSV (coro->flags & ix); |
1427 | OUTPUT: |
1582 | OUTPUT: |
1428 | RETVAL |
1583 | RETVAL |
1429 | |
1584 | |
|
|
1585 | void |
|
|
1586 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
|
|
1587 | |
|
|
1588 | SV * |
|
|
1589 | has_stack (Coro::State coro) |
|
|
1590 | PROTOTYPE: $ |
|
|
1591 | CODE: |
|
|
1592 | RETVAL = boolSV (!!coro->cctx); |
|
|
1593 | OUTPUT: |
|
|
1594 | RETVAL |
|
|
1595 | |
|
|
1596 | int |
|
|
1597 | is_traced (Coro::State coro) |
|
|
1598 | PROTOTYPE: $ |
|
|
1599 | CODE: |
|
|
1600 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
|
|
1601 | OUTPUT: |
|
|
1602 | RETVAL |
|
|
1603 | |
1430 | IV |
1604 | IV |
1431 | rss (Coro::State coro) |
1605 | rss (Coro::State coro) |
1432 | PROTOTYPE: $ |
1606 | PROTOTYPE: $ |
|
|
1607 | ALIAS: |
|
|
1608 | usecount = 1 |
1433 | CODE: |
1609 | CODE: |
1434 | RETVAL = coro_rss (coro); |
1610 | switch (ix) |
|
|
1611 | { |
|
|
1612 | case 0: RETVAL = coro_rss (aTHX_ coro); break; |
|
|
1613 | case 1: RETVAL = coro->usecount; break; |
|
|
1614 | } |
1435 | OUTPUT: |
1615 | OUTPUT: |
1436 | RETVAL |
1616 | RETVAL |
1437 | |
1617 | |
1438 | |
1618 | |
1439 | MODULE = Coro::State PACKAGE = Coro |
1619 | MODULE = Coro::State PACKAGE = Coro |
1440 | |
1620 | |
1441 | BOOT: |
1621 | BOOT: |
1442 | { |
1622 | { |
1443 | int i; |
1623 | int i; |
|
|
1624 | |
|
|
1625 | sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); |
|
|
1626 | sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); |
|
|
1627 | av_async_pool = get_av ("Coro::async_pool", TRUE); |
|
|
1628 | |
|
|
1629 | coro_current = get_sv ("Coro::current", FALSE); |
|
|
1630 | SvREADONLY_on (coro_current); |
1444 | |
1631 | |
1445 | coro_stash = gv_stashpv ("Coro", TRUE); |
1632 | coro_stash = gv_stashpv ("Coro", TRUE); |
1446 | |
1633 | |
1447 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1634 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1448 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1635 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1449 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1636 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1450 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1637 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1451 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
1638 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
1452 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
1639 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
1453 | |
1640 | |
1454 | coro_current = get_sv ("Coro::current", FALSE); |
|
|
1455 | SvREADONLY_on (coro_current); |
|
|
1456 | |
|
|
1457 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1641 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1458 | coro_ready[i] = newAV (); |
1642 | coro_ready[i] = newAV (); |
1459 | |
1643 | |
1460 | { |
1644 | { |
1461 | SV *sv = perl_get_sv("Coro::API", 1); |
1645 | SV *sv = perl_get_sv("Coro::API", 1); |
1462 | |
1646 | |
1463 | coroapi.schedule = api_schedule; |
1647 | coroapi.schedule = api_schedule; |
1464 | coroapi.save = api_save; |
|
|
1465 | coroapi.cede = api_cede; |
1648 | coroapi.cede = api_cede; |
1466 | coroapi.cede_notself = api_cede_notself; |
1649 | coroapi.cede_notself = api_cede_notself; |
1467 | coroapi.ready = api_ready; |
1650 | coroapi.ready = api_ready; |
1468 | coroapi.is_ready = api_is_ready; |
1651 | coroapi.is_ready = api_is_ready; |
1469 | coroapi.nready = &coro_nready; |
1652 | coroapi.nready = &coro_nready; |
… | |
… | |
1518 | CODE: |
1701 | CODE: |
1519 | RETVAL = coro_nready; |
1702 | RETVAL = coro_nready; |
1520 | OUTPUT: |
1703 | OUTPUT: |
1521 | RETVAL |
1704 | RETVAL |
1522 | |
1705 | |
|
|
1706 | # for async_pool speedup |
|
|
1707 | void |
|
|
1708 | _pool_1 (SV *cb) |
|
|
1709 | CODE: |
|
|
1710 | { |
|
|
1711 | int i, len; |
|
|
1712 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1713 | AV *defav = GvAV (PL_defgv); |
|
|
1714 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
1715 | AV *invoke_av; |
|
|
1716 | |
|
|
1717 | if (!invoke) |
|
|
1718 | croak ("\3terminate\2\n"); |
|
|
1719 | |
|
|
1720 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
1721 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
1722 | |
|
|
1723 | invoke_av = (AV *)SvRV (invoke); |
|
|
1724 | len = av_len (invoke_av); |
|
|
1725 | |
|
|
1726 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
1727 | |
|
|
1728 | if (len > 0) |
|
|
1729 | { |
|
|
1730 | av_fill (defav, len - 1); |
|
|
1731 | for (i = 0; i < len; ++i) |
|
|
1732 | av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); |
|
|
1733 | } |
|
|
1734 | |
|
|
1735 | SvREFCNT_dec (invoke); |
|
|
1736 | } |
|
|
1737 | |
|
|
1738 | void |
|
|
1739 | _pool_2 (SV *cb) |
|
|
1740 | CODE: |
|
|
1741 | { |
|
|
1742 | struct coro *coro = SvSTATE (coro_current); |
|
|
1743 | |
|
|
1744 | sv_setsv (cb, &PL_sv_undef); |
|
|
1745 | |
|
|
1746 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
|
|
1747 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1748 | croak ("\3terminate\2\n"); |
|
|
1749 | |
|
|
1750 | av_clear (GvAV (PL_defgv)); |
|
|
1751 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
|
|
1752 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
1753 | |
|
|
1754 | coro->prio = 0; |
|
|
1755 | |
|
|
1756 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
1757 | api_trace (coro_current, 0); |
|
|
1758 | |
|
|
1759 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
1760 | } |
|
|
1761 | |
|
|
1762 | |
1523 | MODULE = Coro::State PACKAGE = Coro::AIO |
1763 | MODULE = Coro::State PACKAGE = Coro::AIO |
1524 | |
1764 | |
1525 | SV * |
1765 | SV * |
1526 | _get_state () |
1766 | _get_state () |
1527 | CODE: |
1767 | CODE: |