… | |
… | |
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 |
… | |
… | |
98 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
106 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
99 | |
107 | |
100 | #if __GNUC__ >= 3 |
108 | #if __GNUC__ >= 3 |
101 | # define attribute(x) __attribute__(x) |
109 | # define attribute(x) __attribute__(x) |
102 | # define BARRIER __asm__ __volatile__ ("" : : : "memory") |
110 | # define BARRIER __asm__ __volatile__ ("" : : : "memory") |
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|
111 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
103 | #else |
112 | #else |
104 | # define attribute(x) |
113 | # define attribute(x) |
105 | # define BARRIER |
114 | # define BARRIER |
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|
115 | # define expect(expr,value) (expr) |
106 | #endif |
116 | #endif |
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117 | |
|
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118 | #define expect_false(expr) expect ((expr) != 0, 0) |
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119 | #define expect_true(expr) expect ((expr) != 0, 1) |
107 | |
120 | |
108 | #define NOINLINE attribute ((noinline)) |
121 | #define NOINLINE attribute ((noinline)) |
109 | |
122 | |
110 | #include "CoroAPI.h" |
123 | #include "CoroAPI.h" |
111 | |
124 | |
… | |
… | |
131 | static struct CoroAPI coroapi; |
144 | static struct CoroAPI coroapi; |
132 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
145 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
133 | static JMPENV *main_top_env; |
146 | static JMPENV *main_top_env; |
134 | static HV *coro_state_stash, *coro_stash; |
147 | static HV *coro_state_stash, *coro_stash; |
135 | static SV *coro_mortal; /* will be freed after next transfer */ |
148 | static SV *coro_mortal; /* will be freed after next transfer */ |
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149 | |
|
|
150 | static GV *irsgv; /* $/ */ |
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|
151 | static GV *stdoutgv; /* *STDOUT */ |
136 | |
152 | |
137 | /* async_pool helper stuff */ |
153 | /* async_pool helper stuff */ |
138 | static SV *sv_pool_rss; |
154 | static SV *sv_pool_rss; |
139 | static SV *sv_pool_size; |
155 | static SV *sv_pool_size; |
140 | static AV *av_async_pool; |
156 | static AV *av_async_pool; |
… | |
… | |
184 | coro_cctx *cctx; |
200 | coro_cctx *cctx; |
185 | |
201 | |
186 | /* data associated with this coroutine (initial args) */ |
202 | /* data associated with this coroutine (initial args) */ |
187 | AV *args; |
203 | AV *args; |
188 | int refcnt; |
204 | int refcnt; |
189 | int save; /* CORO_SAVE flags */ |
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|
190 | int flags; /* CF_ flags */ |
205 | int flags; /* CF_ flags */ |
191 | |
206 | |
192 | /* optionally saved, might be zero */ |
207 | /* optionally saved, might be zero */ |
193 | AV *defav; /* @_ */ |
208 | AV *defav; /* @_ */ |
194 | SV *defsv; /* $_ */ |
209 | SV *defsv; /* $_ */ |
195 | SV *errsv; /* $@ */ |
210 | SV *errsv; /* $@ */ |
196 | GV *deffh; /* default filehandle */ |
211 | SV *deffh; /* default filehandle */ |
197 | SV *irssv; /* $/ */ |
212 | SV *irssv; /* $/ */ |
198 | SV *irssv_sv; /* real $/ cache */ |
213 | SV *irssv_sv; /* real $/ cache */ |
199 | |
214 | |
200 | #define VAR(name,type) type name; |
215 | #define VAR(name,type) type name; |
201 | # include "state.h" |
216 | # include "state.h" |
202 | #undef VAR |
217 | #undef VAR |
203 | |
218 | |
204 | /* statistics */ |
219 | /* statistics */ |
205 | int usecount; /* number of switches to this coro */ |
220 | int usecount; /* number of transfers to this coro */ |
206 | |
221 | |
207 | /* coro process data */ |
222 | /* coro process data */ |
208 | int prio; |
223 | int prio; |
|
|
224 | //SV *throw; |
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225 | |
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|
226 | /* async_pool */ |
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227 | SV *saved_deffh; |
209 | |
228 | |
210 | /* linked list */ |
229 | /* linked list */ |
211 | struct coro *next, *prev; |
230 | struct coro *next, *prev; |
212 | HV *hv; /* the perl hash associated with this coro, if any */ |
231 | HV *hv; /* the perl hash associated with this coro, if any */ |
213 | }; |
232 | }; |
… | |
… | |
311 | MAGIC *mg; |
330 | MAGIC *mg; |
312 | |
331 | |
313 | if (SvROK (coro)) |
332 | if (SvROK (coro)) |
314 | coro = SvRV (coro); |
333 | coro = SvRV (coro); |
315 | |
334 | |
316 | if (SvTYPE (coro) != SVt_PVHV) |
335 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
317 | croak ("Coro::State object required"); |
336 | croak ("Coro::State object required"); |
318 | |
337 | |
319 | stash = SvSTASH (coro); |
338 | stash = SvSTASH (coro); |
320 | if (stash != coro_stash && stash != coro_state_stash) |
339 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
321 | { |
340 | { |
322 | /* very slow, but rare, check */ |
341 | /* very slow, but rare, check */ |
323 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
342 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
324 | croak ("Coro::State object required"); |
343 | croak ("Coro::State object required"); |
325 | } |
344 | } |
… | |
… | |
335 | get_padlist (pTHX_ CV *cv) |
354 | get_padlist (pTHX_ CV *cv) |
336 | { |
355 | { |
337 | MAGIC *mg = CORO_MAGIC (cv); |
356 | MAGIC *mg = CORO_MAGIC (cv); |
338 | AV *av; |
357 | AV *av; |
339 | |
358 | |
340 | if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) |
359 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
341 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
360 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
342 | else |
361 | else |
343 | { |
362 | { |
344 | #if CORO_PREFER_PERL_FUNCTIONS |
363 | #if CORO_PREFER_PERL_FUNCTIONS |
345 | /* this is probably cleaner, but also slower? */ |
364 | /* this is probably cleaner, but also slower? */ |
… | |
… | |
357 | put_padlist (pTHX_ CV *cv) |
376 | put_padlist (pTHX_ CV *cv) |
358 | { |
377 | { |
359 | MAGIC *mg = CORO_MAGIC (cv); |
378 | MAGIC *mg = CORO_MAGIC (cv); |
360 | AV *av; |
379 | AV *av; |
361 | |
380 | |
362 | if (!mg) |
381 | if (expect_false (!mg)) |
363 | { |
382 | { |
364 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
383 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
365 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
384 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
366 | mg->mg_virtual = &vtbl_coro; |
385 | mg->mg_virtual = &vtbl_coro; |
367 | mg->mg_obj = (SV *)newAV (); |
386 | mg->mg_obj = (SV *)newAV (); |
368 | } |
387 | } |
369 | |
388 | |
370 | av = (AV *)mg->mg_obj; |
389 | av = (AV *)mg->mg_obj; |
371 | |
390 | |
372 | if (AvFILLp (av) >= AvMAX (av)) |
391 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
373 | av_extend (av, AvMAX (av) + 1); |
392 | av_extend (av, AvMAX (av) + 1); |
374 | |
393 | |
375 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
394 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
376 | } |
395 | } |
377 | |
396 | |
378 | /** load & save, init *******************************************************/ |
397 | /** load & save, init *******************************************************/ |
379 | |
|
|
380 | #define SB do { |
|
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381 | #define SE } while (0) |
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382 | |
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383 | #define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE |
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|
384 | |
398 | |
385 | static void |
399 | static void |
386 | load_perl (pTHX_ Coro__State c) |
400 | load_perl (pTHX_ Coro__State c) |
387 | { |
401 | { |
388 | #define VAR(name,type) PL_ ## name = c->name; |
402 | #define VAR(name,type) PL_ ## name = c->name; |
389 | # include "state.h" |
403 | # include "state.h" |
390 | #undef VAR |
404 | #undef VAR |
391 | |
405 | |
392 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
406 | GvSV (PL_defgv) = c->defsv; |
393 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
407 | GvAV (PL_defgv) = c->defav; |
394 | if (c->errsv) REPLACE_SV (ERRSV , c->errsv); |
408 | GvSV (PL_errgv) = c->errsv; |
395 | if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh); |
409 | GvSV (irsgv) = c->irssv_sv; |
396 | |
|
|
397 | if (c->irssv) |
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398 | { |
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399 | if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv)) |
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400 | { |
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401 | SvREFCNT_dec (c->irssv); |
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402 | c->irssv = 0; |
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403 | } |
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404 | else |
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405 | { |
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406 | REPLACE_SV (PL_rs, c->irssv); |
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407 | if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0); |
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408 | sv_setsv (c->irssv_sv, PL_rs); |
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409 | } |
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410 | } |
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411 | |
410 | |
412 | { |
411 | { |
413 | dSP; |
412 | dSP; |
414 | CV *cv; |
413 | CV *cv; |
415 | |
414 | |
416 | /* now do the ugly restore mess */ |
415 | /* now do the ugly restore mess */ |
417 | while ((cv = (CV *)POPs)) |
416 | while (expect_true (cv = (CV *)POPs)) |
418 | { |
417 | { |
419 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
418 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
420 | CvDEPTH (cv) = PTR2IV (POPs); |
419 | CvDEPTH (cv) = PTR2IV (POPs); |
421 | CvPADLIST (cv) = (AV *)POPs; |
420 | CvPADLIST (cv) = (AV *)POPs; |
422 | } |
421 | } |
… | |
… | |
441 | |
440 | |
442 | XPUSHs (Nullsv); |
441 | XPUSHs (Nullsv); |
443 | /* this loop was inspired by pp_caller */ |
442 | /* this loop was inspired by pp_caller */ |
444 | for (;;) |
443 | for (;;) |
445 | { |
444 | { |
446 | while (cxix >= 0) |
445 | while (expect_true (cxix >= 0)) |
447 | { |
446 | { |
448 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
447 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
449 | |
448 | |
450 | if (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT) |
449 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
451 | { |
450 | { |
452 | CV *cv = cx->blk_sub.cv; |
451 | CV *cv = cx->blk_sub.cv; |
453 | |
452 | |
454 | if (CvDEPTH (cv)) |
453 | if (expect_true (CvDEPTH (cv))) |
455 | { |
454 | { |
456 | EXTEND (SP, 3); |
455 | EXTEND (SP, 3); |
457 | PUSHs ((SV *)CvPADLIST (cv)); |
456 | PUSHs ((SV *)CvPADLIST (cv)); |
458 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
457 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
459 | PUSHs ((SV *)cv); |
458 | PUSHs ((SV *)cv); |
… | |
… | |
462 | get_padlist (aTHX_ cv); |
461 | get_padlist (aTHX_ cv); |
463 | } |
462 | } |
464 | } |
463 | } |
465 | } |
464 | } |
466 | |
465 | |
467 | if (top_si->si_type == PERLSI_MAIN) |
466 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
468 | break; |
467 | break; |
469 | |
468 | |
470 | top_si = top_si->si_prev; |
469 | top_si = top_si->si_prev; |
471 | ccstk = top_si->si_cxstack; |
470 | ccstk = top_si->si_cxstack; |
472 | cxix = top_si->si_cxix; |
471 | cxix = top_si->si_cxix; |
473 | } |
472 | } |
474 | |
473 | |
475 | PUTBACK; |
474 | PUTBACK; |
476 | } |
475 | } |
477 | |
476 | |
478 | c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; |
477 | c->defav = GvAV (PL_defgv); |
479 | c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; |
478 | c->defsv = DEFSV; |
480 | c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; |
479 | c->errsv = ERRSV; |
481 | c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0; |
480 | c->irssv_sv = GvSV (irsgv); |
482 | c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; |
|
|
483 | |
481 | |
484 | #define VAR(name,type)c->name = PL_ ## name; |
482 | #define VAR(name,type)c->name = PL_ ## name; |
485 | # include "state.h" |
483 | # include "state.h" |
486 | #undef VAR |
484 | #undef VAR |
487 | } |
485 | } |
… | |
… | |
540 | * destroy the stacks, the callchain etc... |
538 | * destroy the stacks, the callchain etc... |
541 | */ |
539 | */ |
542 | static void |
540 | static void |
543 | coro_destroy_stacks (pTHX) |
541 | coro_destroy_stacks (pTHX) |
544 | { |
542 | { |
545 | if (!IN_DESTRUCT) |
|
|
546 | { |
|
|
547 | /* restore all saved variables and stuff */ |
|
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548 | LEAVE_SCOPE (0); |
|
|
549 | assert (PL_tmps_floor == -1); |
|
|
550 | |
|
|
551 | /* free all temporaries */ |
|
|
552 | FREETMPS; |
|
|
553 | assert (PL_tmps_ix == -1); |
|
|
554 | |
|
|
555 | /* unwind all extra stacks */ |
|
|
556 | POPSTACK_TO (PL_mainstack); |
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|
557 | |
|
|
558 | /* unwind main stack */ |
|
|
559 | dounwind (-1); |
|
|
560 | } |
|
|
561 | |
|
|
562 | while (PL_curstackinfo->si_next) |
543 | while (PL_curstackinfo->si_next) |
563 | PL_curstackinfo = PL_curstackinfo->si_next; |
544 | PL_curstackinfo = PL_curstackinfo->si_next; |
564 | |
545 | |
565 | while (PL_curstackinfo) |
546 | while (PL_curstackinfo) |
566 | { |
547 | { |
… | |
… | |
584 | } |
565 | } |
585 | |
566 | |
586 | static size_t |
567 | static size_t |
587 | coro_rss (pTHX_ struct coro *coro) |
568 | coro_rss (pTHX_ struct coro *coro) |
588 | { |
569 | { |
589 | size_t rss = sizeof (coro); |
570 | size_t rss = sizeof (*coro); |
590 | |
571 | |
591 | if (coro->mainstack) |
572 | if (coro->mainstack) |
592 | { |
573 | { |
593 | if (coro->flags & CF_RUNNING) |
574 | if (coro->flags & CF_RUNNING) |
594 | { |
575 | { |
… | |
… | |
596 | # include "state.h" |
577 | # include "state.h" |
597 | #undef VAR |
578 | #undef VAR |
598 | } |
579 | } |
599 | |
580 | |
600 | rss += sizeof (coro->curstackinfo); |
581 | rss += sizeof (coro->curstackinfo); |
601 | rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); |
582 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); |
602 | rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
583 | rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
603 | rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
584 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
604 | rss += coro->tmps_max * sizeof (SV *); |
585 | rss += coro->tmps_max * sizeof (SV *); |
605 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
586 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
606 | rss += coro->scopestack_max * sizeof (I32); |
587 | rss += coro->scopestack_max * sizeof (I32); |
607 | rss += coro->savestack_max * sizeof (ANY); |
588 | rss += coro->savestack_max * sizeof (ANY); |
608 | |
589 | |
… | |
… | |
615 | } |
596 | } |
616 | |
597 | |
617 | /** coroutine stack handling ************************************************/ |
598 | /** coroutine stack handling ************************************************/ |
618 | |
599 | |
619 | static void |
600 | static void |
620 | setup_coro (pTHX_ struct coro *coro) |
601 | coro_setup (pTHX_ struct coro *coro) |
621 | { |
602 | { |
622 | /* |
603 | /* |
623 | * emulate part of the perl startup here. |
604 | * emulate part of the perl startup here. |
624 | */ |
605 | */ |
625 | coro_init_stacks (aTHX); |
606 | coro_init_stacks (aTHX); |
… | |
… | |
630 | PL_comppad = 0; |
611 | PL_comppad = 0; |
631 | PL_curpm = 0; |
612 | PL_curpm = 0; |
632 | PL_localizing = 0; |
613 | PL_localizing = 0; |
633 | PL_dirty = 0; |
614 | PL_dirty = 0; |
634 | PL_restartop = 0; |
615 | PL_restartop = 0; |
|
|
616 | |
|
|
617 | GvSV (PL_defgv) = newSV (0); |
|
|
618 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
619 | GvSV (PL_errgv) = newSV (0); |
|
|
620 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
621 | PL_rs = newSVsv (GvSV (irsgv)); |
|
|
622 | PL_defoutgv = SvREFCNT_inc (stdoutgv); |
|
|
623 | |
|
|
624 | ENTER; /* necessary e.g. for dounwind */ |
635 | |
625 | |
636 | { |
626 | { |
637 | dSP; |
627 | dSP; |
638 | LOGOP myop; |
628 | LOGOP myop; |
639 | |
629 | |
640 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
641 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
642 | |
|
|
643 | Zero (&myop, 1, LOGOP); |
630 | Zero (&myop, 1, LOGOP); |
644 | myop.op_next = Nullop; |
631 | myop.op_next = Nullop; |
645 | myop.op_flags = OPf_WANT_VOID; |
632 | myop.op_flags = OPf_WANT_VOID; |
646 | |
633 | |
647 | PUSHMARK (SP); |
634 | PUSHMARK (SP); |
648 | XPUSHs (av_shift (GvAV (PL_defgv))); |
635 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
649 | PUTBACK; |
636 | PUTBACK; |
650 | PL_op = (OP *)&myop; |
637 | PL_op = (OP *)&myop; |
651 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
638 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
652 | SPAGAIN; |
639 | SPAGAIN; |
653 | } |
640 | } |
|
|
641 | } |
654 | |
642 | |
655 | ENTER; /* necessary e.g. for dounwind */ |
643 | static void |
|
|
644 | coro_destroy (pTHX_ struct coro *coro) |
|
|
645 | { |
|
|
646 | if (!IN_DESTRUCT) |
|
|
647 | { |
|
|
648 | /* restore all saved variables and stuff */ |
|
|
649 | LEAVE_SCOPE (0); |
|
|
650 | assert (PL_tmps_floor == -1); |
|
|
651 | |
|
|
652 | /* free all temporaries */ |
|
|
653 | FREETMPS; |
|
|
654 | assert (PL_tmps_ix == -1); |
|
|
655 | |
|
|
656 | /* unwind all extra stacks */ |
|
|
657 | POPSTACK_TO (PL_mainstack); |
|
|
658 | |
|
|
659 | /* unwind main stack */ |
|
|
660 | dounwind (-1); |
|
|
661 | } |
|
|
662 | |
|
|
663 | SvREFCNT_dec (GvSV (PL_defgv)); |
|
|
664 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
665 | SvREFCNT_dec (GvSV (PL_errgv)); |
|
|
666 | SvREFCNT_dec (PL_defoutgv); |
|
|
667 | SvREFCNT_dec (PL_rs); |
|
|
668 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
669 | |
|
|
670 | SvREFCNT_dec (coro->saved_deffh); |
|
|
671 | //SvREFCNT_dec (coro->throw); |
|
|
672 | |
|
|
673 | coro_destroy_stacks (aTHX); |
656 | } |
674 | } |
657 | |
675 | |
658 | static void |
676 | static void |
659 | free_coro_mortal (pTHX) |
677 | free_coro_mortal (pTHX) |
660 | { |
678 | { |
661 | if (coro_mortal) |
679 | if (expect_true (coro_mortal)) |
662 | { |
680 | { |
663 | SvREFCNT_dec (coro_mortal); |
681 | SvREFCNT_dec (coro_mortal); |
664 | coro_mortal = 0; |
682 | coro_mortal = 0; |
665 | } |
683 | } |
666 | } |
684 | } |
… | |
… | |
675 | |
693 | |
676 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
694 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
677 | { |
695 | { |
678 | PERL_ASYNC_CHECK (); |
696 | PERL_ASYNC_CHECK (); |
679 | |
697 | |
680 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
698 | if (cctx->flags & CC_TRACE_ALL) |
681 | { |
699 | { |
682 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
700 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
683 | SV **bot, **top; |
|
|
684 | AV *av = newAV (); /* return values */ |
|
|
685 | SV **cb; |
|
|
686 | runops_proc_t old_runops = PL_runops; |
|
|
687 | dSP; |
|
|
688 | ENTER; |
|
|
689 | SAVETMPS; |
|
|
690 | EXTEND (SP, 3); |
|
|
691 | PL_runops = RUNOPS_DEFAULT; |
|
|
692 | |
|
|
693 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
694 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
695 | if (isGV (gv)) |
|
|
696 | gv_efullname3 (fullname, gv, 0); |
|
|
697 | |
|
|
698 | bot = PL_stack_base + cx->blk_oldsp + 1; |
|
|
699 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
|
|
700 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
|
|
701 | : bot; |
|
|
702 | |
|
|
703 | while (bot < top) |
|
|
704 | av_push (av, SvREFCNT_inc (*bot++)); |
|
|
705 | |
|
|
706 | PUSHMARK (SP); |
|
|
707 | PUSHs (&PL_sv_no); |
|
|
708 | PUSHs (fullname); |
|
|
709 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
710 | PUTBACK; |
|
|
711 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
712 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
713 | SPAGAIN; |
|
|
714 | |
|
|
715 | FREETMPS; |
|
|
716 | LEAVE; |
|
|
717 | PL_runops = old_runops; |
|
|
718 | } |
|
|
719 | |
|
|
720 | if (oldcop != PL_curcop) |
|
|
721 | { |
|
|
722 | oldcop = PL_curcop; |
|
|
723 | |
|
|
724 | if (PL_curcop != &PL_compiling) |
|
|
725 | { |
701 | { |
|
|
702 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
703 | SV **bot, **top; |
|
|
704 | AV *av = newAV (); /* return values */ |
726 | SV **cb; |
705 | SV **cb; |
727 | runops_proc_t old_runops = PL_runops; |
|
|
728 | dSP; |
706 | dSP; |
|
|
707 | |
|
|
708 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
709 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
710 | if (isGV (gv)) |
|
|
711 | gv_efullname3 (fullname, gv, 0); |
|
|
712 | |
|
|
713 | bot = PL_stack_base + cx->blk_oldsp + 1; |
|
|
714 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
|
|
715 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
|
|
716 | : bot; |
|
|
717 | |
|
|
718 | av_extend (av, top - bot); |
|
|
719 | while (bot < top) |
|
|
720 | av_push (av, SvREFCNT_inc (*bot++)); |
|
|
721 | |
|
|
722 | PL_runops = RUNOPS_DEFAULT; |
729 | ENTER; |
723 | ENTER; |
730 | SAVETMPS; |
724 | SAVETMPS; |
731 | EXTEND (SP, 3); |
725 | EXTEND (SP, 3); |
732 | PL_runops = RUNOPS_DEFAULT; |
726 | PUSHMARK (SP); |
|
|
727 | PUSHs (&PL_sv_no); |
|
|
728 | PUSHs (fullname); |
|
|
729 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
730 | PUTBACK; |
|
|
731 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
732 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
733 | SPAGAIN; |
|
|
734 | FREETMPS; |
|
|
735 | LEAVE; |
|
|
736 | PL_runops = runops_trace; |
|
|
737 | } |
733 | |
738 | |
734 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
739 | if (oldcop != PL_curcop) |
|
|
740 | { |
|
|
741 | oldcop = PL_curcop; |
|
|
742 | |
|
|
743 | if (PL_curcop != &PL_compiling) |
735 | { |
744 | { |
736 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
745 | SV **cb; |
737 | |
746 | |
738 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
747 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
739 | { |
748 | { |
|
|
749 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
750 | |
|
|
751 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
|
|
752 | { |
|
|
753 | runops_proc_t old_runops = PL_runops; |
|
|
754 | dSP; |
740 | GV *gv = CvGV (cx->blk_sub.cv); |
755 | GV *gv = CvGV (cx->blk_sub.cv); |
741 | SV *fullname = sv_2mortal (newSV (0)); |
756 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
757 | |
742 | if (isGV (gv)) |
758 | if (isGV (gv)) |
743 | gv_efullname3 (fullname, gv, 0); |
759 | gv_efullname3 (fullname, gv, 0); |
744 | |
760 | |
|
|
761 | PL_runops = RUNOPS_DEFAULT; |
|
|
762 | ENTER; |
|
|
763 | SAVETMPS; |
|
|
764 | EXTEND (SP, 3); |
|
|
765 | PUSHMARK (SP); |
|
|
766 | PUSHs (&PL_sv_yes); |
|
|
767 | PUSHs (fullname); |
|
|
768 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
|
|
769 | PUTBACK; |
|
|
770 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
771 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
772 | SPAGAIN; |
|
|
773 | FREETMPS; |
|
|
774 | LEAVE; |
|
|
775 | PL_runops = runops_trace; |
|
|
776 | } |
|
|
777 | |
|
|
778 | oldcxix = cxstack_ix; |
|
|
779 | } |
|
|
780 | |
|
|
781 | if (cctx->flags & CC_TRACE_LINE) |
|
|
782 | { |
|
|
783 | dSP; |
|
|
784 | |
|
|
785 | PL_runops = RUNOPS_DEFAULT; |
|
|
786 | ENTER; |
|
|
787 | SAVETMPS; |
|
|
788 | EXTEND (SP, 3); |
|
|
789 | PL_runops = RUNOPS_DEFAULT; |
745 | PUSHMARK (SP); |
790 | PUSHMARK (SP); |
746 | PUSHs (&PL_sv_yes); |
791 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
747 | PUSHs (fullname); |
792 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
748 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
|
|
749 | PUTBACK; |
793 | PUTBACK; |
750 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
794 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
751 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
795 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
752 | SPAGAIN; |
796 | SPAGAIN; |
|
|
797 | FREETMPS; |
|
|
798 | LEAVE; |
|
|
799 | PL_runops = runops_trace; |
753 | } |
800 | } |
754 | |
|
|
755 | oldcxix = cxstack_ix; |
|
|
756 | } |
801 | } |
757 | |
|
|
758 | if (cctx->flags & CC_TRACE_LINE) |
|
|
759 | { |
|
|
760 | PUSHMARK (SP); |
|
|
761 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
|
|
762 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
|
|
763 | PUTBACK; |
|
|
764 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
|
|
765 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
766 | SPAGAIN; |
|
|
767 | } |
|
|
768 | |
|
|
769 | FREETMPS; |
|
|
770 | LEAVE; |
|
|
771 | PL_runops = old_runops; |
|
|
772 | } |
802 | } |
773 | } |
803 | } |
774 | } |
804 | } |
775 | |
805 | |
776 | TAINT_NOT; |
806 | TAINT_NOT; |
… | |
… | |
905 | Safefree (cctx->sptr); |
935 | Safefree (cctx->sptr); |
906 | |
936 | |
907 | Safefree (cctx); |
937 | Safefree (cctx); |
908 | } |
938 | } |
909 | |
939 | |
|
|
940 | /* wether this cctx should be destructed */ |
|
|
941 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
|
|
942 | |
910 | static coro_cctx * |
943 | static coro_cctx * |
911 | cctx_get (pTHX) |
944 | cctx_get (pTHX) |
912 | { |
945 | { |
913 | while (cctx_first) |
946 | while (expect_true (cctx_first)) |
914 | { |
947 | { |
915 | coro_cctx *cctx = cctx_first; |
948 | coro_cctx *cctx = cctx_first; |
916 | cctx_first = cctx->next; |
949 | cctx_first = cctx->next; |
917 | --cctx_idle; |
950 | --cctx_idle; |
918 | |
951 | |
919 | if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE)) |
952 | if (expect_true (!CCTX_EXPIRED (cctx))) |
920 | return cctx; |
953 | return cctx; |
921 | |
954 | |
922 | cctx_destroy (cctx); |
955 | cctx_destroy (cctx); |
923 | } |
956 | } |
924 | |
957 | |
… | |
… | |
927 | |
960 | |
928 | static void |
961 | static void |
929 | cctx_put (coro_cctx *cctx) |
962 | cctx_put (coro_cctx *cctx) |
930 | { |
963 | { |
931 | /* free another cctx if overlimit */ |
964 | /* free another cctx if overlimit */ |
932 | if (cctx_idle >= MAX_IDLE_CCTX) |
965 | if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) |
933 | { |
966 | { |
934 | coro_cctx *first = cctx_first; |
967 | coro_cctx *first = cctx_first; |
935 | cctx_first = first->next; |
968 | cctx_first = first->next; |
936 | --cctx_idle; |
969 | --cctx_idle; |
937 | |
970 | |
… | |
… | |
943 | cctx_first = cctx; |
976 | cctx_first = cctx; |
944 | } |
977 | } |
945 | |
978 | |
946 | /** coroutine switching *****************************************************/ |
979 | /** coroutine switching *****************************************************/ |
947 | |
980 | |
948 | static void NOINLINE |
981 | static void |
949 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
982 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
950 | { |
983 | { |
951 | if (prev != next) |
984 | if (expect_true (prev != next)) |
952 | { |
985 | { |
953 | if (!(prev->flags & (CF_RUNNING | CF_NEW))) |
986 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
954 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
987 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
955 | |
988 | |
956 | if (next->flags & CF_RUNNING) |
989 | if (expect_false (next->flags & CF_RUNNING)) |
957 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
990 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
958 | |
991 | |
959 | if (next->flags & CF_DESTROYED) |
992 | if (expect_false (next->flags & CF_DESTROYED)) |
960 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
993 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
961 | |
994 | |
962 | if (PL_lex_state != LEX_NOTPARSING) |
995 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
963 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
996 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
964 | } |
997 | } |
965 | } |
998 | } |
966 | |
999 | |
967 | /* always use the TRANSFER macro */ |
1000 | /* always use the TRANSFER macro */ |
… | |
… | |
969 | transfer (pTHX_ struct coro *prev, struct coro *next) |
1002 | transfer (pTHX_ struct coro *prev, struct coro *next) |
970 | { |
1003 | { |
971 | dSTACKLEVEL; |
1004 | dSTACKLEVEL; |
972 | |
1005 | |
973 | /* sometimes transfer is only called to set idle_sp */ |
1006 | /* sometimes transfer is only called to set idle_sp */ |
974 | if (!next) |
1007 | if (expect_false (!next)) |
975 | { |
1008 | { |
976 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1009 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
977 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1010 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
978 | } |
1011 | } |
979 | else if (prev != next) |
1012 | else if (expect_true (prev != next)) |
980 | { |
1013 | { |
981 | coro_cctx *prev__cctx; |
1014 | coro_cctx *prev__cctx; |
982 | |
1015 | |
983 | if (prev->flags & CF_NEW) |
1016 | if (expect_false (prev->flags & CF_NEW)) |
984 | { |
1017 | { |
985 | /* create a new empty context */ |
1018 | /* create a new empty context */ |
986 | Newz (0, prev->cctx, 1, coro_cctx); |
1019 | Newz (0, prev->cctx, 1, coro_cctx); |
987 | prev->flags &= ~CF_NEW; |
1020 | prev->flags &= ~CF_NEW; |
988 | prev->flags |= CF_RUNNING; |
1021 | prev->flags |= CF_RUNNING; |
… | |
… | |
991 | prev->flags &= ~CF_RUNNING; |
1024 | prev->flags &= ~CF_RUNNING; |
992 | next->flags |= CF_RUNNING; |
1025 | next->flags |= CF_RUNNING; |
993 | |
1026 | |
994 | LOCK; |
1027 | LOCK; |
995 | |
1028 | |
996 | if (next->flags & CF_NEW) |
1029 | if (expect_false (next->flags & CF_NEW)) |
997 | { |
1030 | { |
998 | /* need to start coroutine */ |
1031 | /* need to start coroutine */ |
999 | next->flags &= ~CF_NEW; |
1032 | next->flags &= ~CF_NEW; |
1000 | /* first get rid of the old state */ |
1033 | /* first get rid of the old state */ |
1001 | save_perl (aTHX_ prev); |
1034 | save_perl (aTHX_ prev); |
1002 | /* setup coroutine call */ |
1035 | /* setup coroutine call */ |
1003 | setup_coro (aTHX_ next); |
1036 | coro_setup (aTHX_ next); |
1004 | } |
1037 | } |
1005 | else |
1038 | else |
1006 | { |
1039 | { |
1007 | /* coroutine already started */ |
1040 | /* coroutine already started */ |
1008 | save_perl (aTHX_ prev); |
1041 | save_perl (aTHX_ prev); |
… | |
… | |
1010 | } |
1043 | } |
1011 | |
1044 | |
1012 | prev__cctx = prev->cctx; |
1045 | prev__cctx = prev->cctx; |
1013 | |
1046 | |
1014 | /* possibly "free" the cctx */ |
1047 | /* possibly "free" the cctx */ |
1015 | if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)) |
1048 | if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) |
1016 | { |
1049 | { |
1017 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1050 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1018 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1051 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1019 | |
1052 | |
1020 | prev->cctx = 0; |
1053 | prev->cctx = 0; |
1021 | |
1054 | |
|
|
1055 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
|
|
1056 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
|
|
1057 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
|
|
1058 | next->cctx = cctx_get (aTHX); |
|
|
1059 | |
1022 | cctx_put (prev__cctx); |
1060 | cctx_put (prev__cctx); |
1023 | } |
1061 | } |
1024 | |
1062 | |
1025 | ++next->usecount; |
1063 | ++next->usecount; |
1026 | |
1064 | |
1027 | if (!next->cctx) |
1065 | if (expect_true (!next->cctx)) |
1028 | next->cctx = cctx_get (aTHX); |
1066 | next->cctx = cctx_get (aTHX); |
1029 | |
1067 | |
1030 | if (prev__cctx != next->cctx) |
1068 | if (expect_false (prev__cctx != next->cctx)) |
1031 | { |
1069 | { |
1032 | prev__cctx->top_env = PL_top_env; |
1070 | prev__cctx->top_env = PL_top_env; |
1033 | PL_top_env = next->cctx->top_env; |
1071 | PL_top_env = next->cctx->top_env; |
1034 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1072 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1035 | } |
1073 | } |
… | |
… | |
1070 | |
1108 | |
1071 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1109 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1072 | { |
1110 | { |
1073 | struct coro temp; |
1111 | struct coro temp; |
1074 | |
1112 | |
1075 | assert (!(coro->flags & CF_RUNNING)); |
|
|
1076 | |
|
|
1077 | Zero (&temp, 1, struct coro); |
|
|
1078 | temp.save = CORO_SAVE_ALL; |
|
|
1079 | |
|
|
1080 | if (coro->flags & CF_RUNNING) |
1113 | if (coro->flags & CF_RUNNING) |
1081 | croak ("FATAL: tried to destroy currently running coroutine"); |
1114 | croak ("FATAL: tried to destroy currently running coroutine"); |
1082 | |
1115 | |
1083 | save_perl (aTHX_ &temp); |
1116 | save_perl (aTHX_ &temp); |
1084 | load_perl (aTHX_ coro); |
1117 | load_perl (aTHX_ coro); |
1085 | |
1118 | |
1086 | coro_destroy_stacks (aTHX); |
1119 | coro_destroy (aTHX_ coro); |
1087 | |
1120 | |
1088 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
1121 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
1089 | |
1122 | |
1090 | coro->mainstack = 0; |
1123 | coro->mainstack = 0; |
1091 | } |
1124 | } |
… | |
… | |
1154 | |
1187 | |
1155 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1188 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1156 | TRANSFER (ta); |
1189 | TRANSFER (ta); |
1157 | } |
1190 | } |
1158 | |
1191 | |
1159 | static int |
|
|
1160 | api_save (SV *coro_sv, int new_save) |
|
|
1161 | { |
|
|
1162 | dTHX; |
|
|
1163 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1164 | int old_save = coro->save; |
|
|
1165 | |
|
|
1166 | if (new_save >= 0) |
|
|
1167 | coro->save = new_save; |
|
|
1168 | |
|
|
1169 | return old_save; |
|
|
1170 | } |
|
|
1171 | |
|
|
1172 | /** Coro ********************************************************************/ |
1192 | /** Coro ********************************************************************/ |
1173 | |
1193 | |
1174 | static void |
1194 | static void |
1175 | coro_enq (pTHX_ SV *coro_sv) |
1195 | coro_enq (pTHX_ SV *coro_sv) |
1176 | { |
1196 | { |
… | |
… | |
1233 | { |
1253 | { |
1234 | LOCK; |
1254 | LOCK; |
1235 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1255 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1236 | |
1256 | |
1237 | /* nothing to schedule: call the idle handler */ |
1257 | /* nothing to schedule: call the idle handler */ |
1238 | if (!next_sv) |
1258 | if (expect_false (!next_sv)) |
1239 | { |
1259 | { |
1240 | dSP; |
1260 | dSP; |
1241 | UNLOCK; |
1261 | UNLOCK; |
1242 | |
1262 | |
1243 | ENTER; |
1263 | ENTER; |
… | |
… | |
1253 | } |
1273 | } |
1254 | |
1274 | |
1255 | ta->next = SvSTATE (next_sv); |
1275 | ta->next = SvSTATE (next_sv); |
1256 | |
1276 | |
1257 | /* cannot transfer to destroyed coros, skip and look for next */ |
1277 | /* cannot transfer to destroyed coros, skip and look for next */ |
1258 | if (ta->next->flags & CF_DESTROYED) |
1278 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1259 | { |
1279 | { |
1260 | UNLOCK; |
1280 | UNLOCK; |
1261 | SvREFCNT_dec (next_sv); |
1281 | SvREFCNT_dec (next_sv); |
1262 | /* coro_nready is already taken care of by destroy */ |
1282 | /* coro_nready is already taken care of by destroy */ |
1263 | continue; |
1283 | continue; |
… | |
… | |
1319 | dTHX; |
1339 | dTHX; |
1320 | struct transfer_args ta; |
1340 | struct transfer_args ta; |
1321 | |
1341 | |
1322 | prepare_cede (aTHX_ &ta); |
1342 | prepare_cede (aTHX_ &ta); |
1323 | |
1343 | |
1324 | if (ta.prev != ta.next) |
1344 | if (expect_true (ta.prev != ta.next)) |
1325 | { |
1345 | { |
1326 | TRANSFER (ta); |
1346 | TRANSFER (ta); |
1327 | return 1; |
1347 | return 1; |
1328 | } |
1348 | } |
1329 | else |
1349 | else |
… | |
… | |
1343 | } |
1363 | } |
1344 | else |
1364 | else |
1345 | return 0; |
1365 | return 0; |
1346 | } |
1366 | } |
1347 | |
1367 | |
|
|
1368 | static void |
|
|
1369 | api_trace (SV *coro_sv, int flags) |
|
|
1370 | { |
|
|
1371 | dTHX; |
|
|
1372 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1373 | |
|
|
1374 | if (flags & CC_TRACE) |
|
|
1375 | { |
|
|
1376 | if (!coro->cctx) |
|
|
1377 | coro->cctx = cctx_new (); |
|
|
1378 | else if (!(coro->cctx->flags & CC_TRACE)) |
|
|
1379 | croak ("cannot enable tracing on coroutine with custom stack"); |
|
|
1380 | |
|
|
1381 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
|
|
1382 | } |
|
|
1383 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
|
|
1384 | { |
|
|
1385 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
|
|
1386 | |
|
|
1387 | if (coro->flags & CF_RUNNING) |
|
|
1388 | PL_runops = RUNOPS_DEFAULT; |
|
|
1389 | else |
|
|
1390 | coro->runops = RUNOPS_DEFAULT; |
|
|
1391 | } |
|
|
1392 | } |
|
|
1393 | |
1348 | MODULE = Coro::State PACKAGE = Coro::State |
1394 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1349 | |
1395 | |
1350 | PROTOTYPES: DISABLE |
1396 | PROTOTYPES: DISABLE |
1351 | |
1397 | |
1352 | BOOT: |
1398 | BOOT: |
1353 | { |
1399 | { |
1354 | #ifdef USE_ITHREADS |
1400 | #ifdef USE_ITHREADS |
1355 | MUTEX_INIT (&coro_mutex); |
1401 | MUTEX_INIT (&coro_mutex); |
1356 | #endif |
1402 | #endif |
1357 | BOOT_PAGESIZE; |
1403 | BOOT_PAGESIZE; |
|
|
1404 | |
|
|
1405 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
|
|
1406 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
1358 | |
1407 | |
1359 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1408 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1360 | |
1409 | |
1361 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1410 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1362 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1411 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1363 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
1412 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
1364 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
1413 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
1365 | |
1414 | |
1366 | newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); |
|
|
1367 | newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); |
|
|
1368 | newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); |
|
|
1369 | newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); |
|
|
1370 | newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH)); |
|
|
1371 | newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF)); |
|
|
1372 | newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); |
|
|
1373 | |
|
|
1374 | main_mainstack = PL_mainstack; |
1415 | main_mainstack = PL_mainstack; |
1375 | main_top_env = PL_top_env; |
1416 | main_top_env = PL_top_env; |
1376 | |
1417 | |
1377 | while (main_top_env->je_prev) |
1418 | while (main_top_env->je_prev) |
1378 | main_top_env = main_top_env->je_prev; |
1419 | main_top_env = main_top_env->je_prev; |
… | |
… | |
1390 | struct coro *coro; |
1431 | struct coro *coro; |
1391 | HV *hv; |
1432 | HV *hv; |
1392 | int i; |
1433 | int i; |
1393 | |
1434 | |
1394 | Newz (0, coro, 1, struct coro); |
1435 | Newz (0, coro, 1, struct coro); |
1395 | coro->args = newAV (); |
1436 | coro->args = newAV (); |
1396 | coro->save = CORO_SAVE_DEF; |
|
|
1397 | coro->flags = CF_NEW; |
1437 | coro->flags = CF_NEW; |
1398 | |
1438 | |
1399 | if (coro_first) coro_first->prev = coro; |
1439 | if (coro_first) coro_first->prev = coro; |
1400 | coro->next = coro_first; |
1440 | coro->next = coro_first; |
1401 | coro_first = coro; |
1441 | coro_first = coro; |
1402 | |
1442 | |
1403 | coro->hv = hv = newHV (); |
1443 | coro->hv = hv = newHV (); |
1404 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1444 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1405 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1445 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1406 | |
1446 | |
|
|
1447 | av_extend (coro->args, items - 1); |
1407 | for (i = 1; i < items; i++) |
1448 | for (i = 1; i < items; i++) |
1408 | av_push (coro->args, newSVsv (ST (i))); |
1449 | av_push (coro->args, newSVsv (ST (i))); |
1409 | } |
1450 | } |
1410 | OUTPUT: |
1451 | OUTPUT: |
1411 | RETVAL |
1452 | RETVAL |
1412 | |
1453 | |
1413 | int |
1454 | # these not obviously related functions are all rolled into the same xs |
1414 | save (SV *coro, int new_save = -1) |
1455 | # function to increase chances that they all will call transfer with the same |
1415 | CODE: |
1456 | # stack offset |
1416 | RETVAL = api_save (coro, new_save); |
|
|
1417 | OUTPUT: |
|
|
1418 | RETVAL |
|
|
1419 | |
|
|
1420 | int |
|
|
1421 | save_also (SV *coro_sv, int save_also) |
|
|
1422 | CODE: |
|
|
1423 | { |
|
|
1424 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1425 | RETVAL = coro->save; |
|
|
1426 | coro->save |= save_also; |
|
|
1427 | } |
|
|
1428 | OUTPUT: |
|
|
1429 | RETVAL |
|
|
1430 | |
|
|
1431 | void |
1457 | void |
1432 | _set_stacklevel (...) |
1458 | _set_stacklevel (...) |
1433 | ALIAS: |
1459 | ALIAS: |
1434 | Coro::State::transfer = 1 |
1460 | Coro::State::transfer = 1 |
1435 | Coro::schedule = 2 |
1461 | Coro::schedule = 2 |
… | |
… | |
1469 | } |
1495 | } |
1470 | |
1496 | |
1471 | BARRIER; |
1497 | BARRIER; |
1472 | TRANSFER (ta); |
1498 | TRANSFER (ta); |
1473 | |
1499 | |
1474 | if (GIMME_V != G_VOID && ta.next != ta.prev) |
1500 | if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev)) |
1475 | XSRETURN_YES; |
1501 | XSRETURN_YES; |
1476 | } |
1502 | } |
1477 | |
1503 | |
1478 | bool |
1504 | bool |
1479 | _destroy (SV *coro_sv) |
1505 | _destroy (SV *coro_sv) |
… | |
… | |
1530 | { |
1556 | { |
1531 | if (coro->mainstack) |
1557 | if (coro->mainstack) |
1532 | { |
1558 | { |
1533 | struct coro temp; |
1559 | struct coro temp; |
1534 | Zero (&temp, 1, struct coro); |
1560 | Zero (&temp, 1, struct coro); |
1535 | temp.save = CORO_SAVE_ALL; |
|
|
1536 | |
1561 | |
1537 | if (!(coro->flags & CF_RUNNING)) |
1562 | if (!(coro->flags & CF_RUNNING)) |
1538 | { |
1563 | { |
1539 | save_perl (aTHX_ &temp); |
1564 | save_perl (aTHX_ &temp); |
1540 | load_perl (aTHX_ coro); |
1565 | load_perl (aTHX_ coro); |
… | |
… | |
1576 | RETVAL = boolSV (coro->flags & ix); |
1601 | RETVAL = boolSV (coro->flags & ix); |
1577 | OUTPUT: |
1602 | OUTPUT: |
1578 | RETVAL |
1603 | RETVAL |
1579 | |
1604 | |
1580 | void |
1605 | void |
1581 | trace (Coro::State coro, int flags = CC_TRACE | CC_TRACE_SUB) |
1606 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
1582 | CODE: |
|
|
1583 | if (flags & CC_TRACE) |
|
|
1584 | { |
|
|
1585 | if (!coro->cctx) |
|
|
1586 | coro->cctx = cctx_new (); |
|
|
1587 | else if (!(coro->cctx->flags & CC_TRACE)) |
|
|
1588 | croak ("cannot enable tracing on coroutine with custom stack"); |
|
|
1589 | |
|
|
1590 | coro->cctx->flags |= flags & (CC_TRACE | CC_TRACE_ALL); |
|
|
1591 | } |
|
|
1592 | else |
|
|
1593 | if (coro->cctx && coro->cctx->flags & CC_TRACE) |
|
|
1594 | { |
|
|
1595 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
|
|
1596 | coro->cctx->flags |= CC_NOREUSE; |
|
|
1597 | |
|
|
1598 | if (coro->flags & CF_RUNNING) |
|
|
1599 | PL_runops = RUNOPS_DEFAULT; |
|
|
1600 | else |
|
|
1601 | coro->runops = RUNOPS_DEFAULT; |
|
|
1602 | } |
|
|
1603 | |
1607 | |
1604 | SV * |
1608 | SV * |
1605 | has_stack (Coro::State coro) |
1609 | has_stack (Coro::State coro) |
1606 | PROTOTYPE: $ |
1610 | PROTOTYPE: $ |
1607 | CODE: |
1611 | CODE: |
… | |
… | |
1640 | |
1644 | |
1641 | sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); |
1645 | sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); |
1642 | sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); |
1646 | sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); |
1643 | av_async_pool = get_av ("Coro::async_pool", TRUE); |
1647 | av_async_pool = get_av ("Coro::async_pool", TRUE); |
1644 | |
1648 | |
1645 | coro_current = get_sv ("Coro::current", FALSE); |
1649 | coro_current = get_sv ("Coro::current", FALSE); |
1646 | SvREADONLY_on (coro_current); |
1650 | SvREADONLY_on (coro_current); |
1647 | |
1651 | |
1648 | coro_stash = gv_stashpv ("Coro", TRUE); |
1652 | coro_stash = gv_stashpv ("Coro", TRUE); |
1649 | |
1653 | |
1650 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1654 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
… | |
… | |
1659 | |
1663 | |
1660 | { |
1664 | { |
1661 | SV *sv = perl_get_sv("Coro::API", 1); |
1665 | SV *sv = perl_get_sv("Coro::API", 1); |
1662 | |
1666 | |
1663 | coroapi.schedule = api_schedule; |
1667 | coroapi.schedule = api_schedule; |
1664 | coroapi.save = api_save; |
|
|
1665 | coroapi.cede = api_cede; |
1668 | coroapi.cede = api_cede; |
1666 | coroapi.cede_notself = api_cede_notself; |
1669 | coroapi.cede_notself = api_cede_notself; |
1667 | coroapi.ready = api_ready; |
1670 | coroapi.ready = api_ready; |
1668 | coroapi.is_ready = api_is_ready; |
1671 | coroapi.is_ready = api_is_ready; |
1669 | coroapi.nready = &coro_nready; |
1672 | coroapi.nready = &coro_nready; |
… | |
… | |
1723 | # for async_pool speedup |
1726 | # for async_pool speedup |
1724 | void |
1727 | void |
1725 | _pool_1 (SV *cb) |
1728 | _pool_1 (SV *cb) |
1726 | CODE: |
1729 | CODE: |
1727 | { |
1730 | { |
1728 | int i, len; |
1731 | struct coro *coro = SvSTATE (coro_current); |
1729 | HV *hv = (HV *)SvRV (coro_current); |
1732 | HV *hv = (HV *)SvRV (coro_current); |
1730 | AV *defav = GvAV (PL_defgv); |
1733 | AV *defav = GvAV (PL_defgv); |
1731 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1734 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1732 | AV *invoke_av; |
1735 | AV *invoke_av; |
|
|
1736 | int i, len; |
1733 | |
1737 | |
1734 | if (!invoke) |
1738 | if (!invoke) |
1735 | croak ("\3terminate\2\n"); |
1739 | croak ("\3terminate\2\n"); |
|
|
1740 | |
|
|
1741 | SvREFCNT_dec (coro->saved_deffh); |
|
|
1742 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
1736 | |
1743 | |
1737 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1744 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1738 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
1745 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
1739 | |
1746 | |
1740 | invoke_av = (AV *)SvRV (invoke); |
1747 | invoke_av = (AV *)SvRV (invoke); |
… | |
… | |
1758 | { |
1765 | { |
1759 | struct coro *coro = SvSTATE (coro_current); |
1766 | struct coro *coro = SvSTATE (coro_current); |
1760 | |
1767 | |
1761 | sv_setsv (cb, &PL_sv_undef); |
1768 | sv_setsv (cb, &PL_sv_undef); |
1762 | |
1769 | |
|
|
1770 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
1771 | coro->saved_deffh = 0; |
|
|
1772 | |
1763 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1773 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1764 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1774 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1765 | croak ("\3terminate\2\n"); |
1775 | croak ("\3terminate\2\n"); |
1766 | |
1776 | |
1767 | av_clear (GvAV (PL_defgv)); |
1777 | av_clear (GvAV (PL_defgv)); |
1768 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1778 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1769 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1779 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1770 | coro->save = CORO_SAVE_DEF; |
1780 | |
1771 | coro->prio = 0; |
1781 | coro->prio = 0; |
|
|
1782 | |
|
|
1783 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
1784 | api_trace (coro_current, 0); |
|
|
1785 | |
1772 | av_push (av_async_pool, newSVsv (coro_current)); |
1786 | av_push (av_async_pool, newSVsv (coro_current)); |
1773 | } |
1787 | } |
1774 | |
1788 | |
1775 | |
1789 | |
1776 | MODULE = Coro::State PACKAGE = Coro::AIO |
1790 | MODULE = Coro::State PACKAGE = Coro::AIO |