… | |
… | |
10 | #include "patchlevel.h" |
10 | #include "patchlevel.h" |
11 | |
11 | |
12 | #include <stdio.h> |
12 | #include <stdio.h> |
13 | #include <errno.h> |
13 | #include <errno.h> |
14 | #include <assert.h> |
14 | #include <assert.h> |
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15 | |
|
|
16 | #ifdef WIN32 |
|
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17 | # undef setjmp |
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18 | # undef longjmp |
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19 | # undef _exit |
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20 | #include <setjmp.h> |
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21 | #else |
15 | #include <inttypes.h> /* portable stdint.h */ |
22 | # include <inttypes.h> /* most portable stdint.h */ |
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23 | #endif |
16 | |
24 | |
17 | #ifdef HAVE_MMAP |
25 | #ifdef HAVE_MMAP |
18 | # include <unistd.h> |
26 | # include <unistd.h> |
19 | # include <sys/mman.h> |
27 | # include <sys/mman.h> |
20 | # ifndef MAP_ANONYMOUS |
28 | # ifndef MAP_ANONYMOUS |
… | |
… | |
72 | # ifndef IS_PADCONST |
80 | # ifndef IS_PADCONST |
73 | # define IS_PADCONST(v) 0 |
81 | # define IS_PADCONST(v) 0 |
74 | # endif |
82 | # endif |
75 | #endif |
83 | #endif |
76 | |
84 | |
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85 | /* 5.8.8 */ |
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86 | #ifndef GV_NOTQUAL |
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87 | # define GV_NOTQUAL 0 |
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88 | #endif |
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89 | #ifndef newSV |
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90 | # define newSV(l) NEWSV(0,l) |
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91 | #endif |
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92 | |
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93 | /* 5.11 */ |
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94 | #ifndef CxHASARGS |
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95 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
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96 | #endif |
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97 | |
77 | /* 5.8.7 */ |
98 | /* 5.8.7 */ |
78 | #ifndef SvRV_set |
99 | #ifndef SvRV_set |
79 | # define SvRV_set(s,v) SvRV(s) = (v) |
100 | # define SvRV_set(s,v) SvRV(s) = (v) |
80 | #endif |
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81 | |
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|
82 | /* 5.8.8 */ |
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83 | #ifndef GV_NOTQUAL |
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84 | # define GV_NOTQUAL 0 |
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85 | #endif |
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86 | #ifndef newSV |
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87 | # define newSV(l) NEWSV(0,l) |
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88 | #endif |
101 | #endif |
89 | |
102 | |
90 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
103 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
91 | # undef CORO_STACKGUARD |
104 | # undef CORO_STACKGUARD |
92 | #endif |
105 | #endif |
… | |
… | |
131 | #else |
144 | #else |
132 | # define LOCK (void)0 |
145 | # define LOCK (void)0 |
133 | # define UNLOCK (void)0 |
146 | # define UNLOCK (void)0 |
134 | #endif |
147 | #endif |
135 | |
148 | |
136 | #define strpair(const) const, sizeof (const) - 1 |
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137 | |
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138 | /* helper storage struct for Coro::AIO */ |
149 | /* helper storage struct for Coro::AIO */ |
139 | struct io_state |
150 | struct io_state |
140 | { |
151 | { |
141 | int errorno; |
152 | int errorno; |
142 | I32 laststype; |
153 | I32 laststype; |
… | |
… | |
147 | static size_t coro_stacksize = CORO_STACKSIZE; |
158 | static size_t coro_stacksize = CORO_STACKSIZE; |
148 | static struct CoroAPI coroapi; |
159 | static struct CoroAPI coroapi; |
149 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
160 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
150 | static JMPENV *main_top_env; |
161 | static JMPENV *main_top_env; |
151 | static HV *coro_state_stash, *coro_stash; |
162 | static HV *coro_state_stash, *coro_stash; |
152 | static SV *coro_mortal; /* will be freed after next transfer */ |
163 | static volatile SV *coro_mortal; /* will be freed after next transfer */ |
153 | |
164 | |
154 | static GV *irsgv; /* $/ */ |
165 | static GV *irsgv; /* $/ */ |
155 | static GV *stdoutgv; /* *STDOUT */ |
166 | static GV *stdoutgv; /* *STDOUT */ |
156 | |
167 | static SV *rv_diehook; |
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168 | static SV *rv_warnhook; |
157 | static HV *hv_sig; /* %SIG */ |
169 | static HV *hv_sig; /* %SIG */ |
158 | static SV *sv_diehook; |
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|
159 | static SV *sv_warnhook; |
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|
160 | |
170 | |
161 | /* async_pool helper stuff */ |
171 | /* async_pool helper stuff */ |
162 | static SV *sv_pool_rss; |
172 | static SV *sv_pool_rss; |
163 | static SV *sv_pool_size; |
173 | static SV *sv_pool_size; |
164 | static AV *av_async_pool; |
174 | static AV *av_async_pool; |
165 | |
175 | |
166 | static struct coro_cctx *cctx_first[3]; /* index by GIMME_V type, void, scalar, array */ |
176 | static struct coro_cctx *cctx_first; |
167 | static int cctx_count, cctx_idle[3]; |
177 | static int cctx_count, cctx_idle; |
168 | |
178 | |
169 | enum { |
179 | enum { |
170 | CC_MAPPED = 0x01, |
180 | CC_MAPPED = 0x01, |
171 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
181 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
172 | CC_TRACE = 0x04, |
182 | CC_TRACE = 0x04, |
… | |
… | |
217 | |
227 | |
218 | /* this is a structure representing a perl-level coroutine */ |
228 | /* this is a structure representing a perl-level coroutine */ |
219 | struct coro { |
229 | struct coro { |
220 | /* the c coroutine allocated to this perl coroutine, if any */ |
230 | /* the c coroutine allocated to this perl coroutine, if any */ |
221 | coro_cctx *cctx; |
231 | coro_cctx *cctx; |
222 | int gimme; |
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|
223 | |
232 | |
224 | /* process data */ |
233 | /* process data */ |
225 | AV *mainstack; |
234 | AV *mainstack; |
226 | perl_slots *slot; /* basically the saved sp */ |
235 | perl_slots *slot; /* basically the saved sp */ |
227 | |
236 | |
… | |
… | |
263 | static struct coro *coro_first; |
272 | static struct coro *coro_first; |
264 | |
273 | |
265 | /** lowlevel stuff **********************************************************/ |
274 | /** lowlevel stuff **********************************************************/ |
266 | |
275 | |
267 | static SV * |
276 | static SV * |
268 | coro_get_sv (const char *name, int create) |
277 | coro_get_sv (pTHX_ const char *name, int create) |
269 | { |
278 | { |
270 | #if PERL_VERSION_ATLEAST (5,9,0) |
279 | #if PERL_VERSION_ATLEAST (5,10,0) |
271 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
280 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
272 | get_sv (name, create); |
281 | get_sv (name, create); |
273 | #endif |
282 | #endif |
274 | return get_sv (name, create); |
283 | return get_sv (name, create); |
275 | } |
284 | } |
276 | |
285 | |
277 | static AV * |
286 | static AV * |
278 | coro_get_av (const char *name, int create) |
287 | coro_get_av (pTHX_ const char *name, int create) |
279 | { |
288 | { |
280 | #if PERL_VERSION_ATLEAST (5,9,0) |
289 | #if PERL_VERSION_ATLEAST (5,10,0) |
281 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
290 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
282 | get_av (name, create); |
291 | get_av (name, create); |
283 | #endif |
292 | #endif |
284 | return get_av (name, create); |
293 | return get_av (name, create); |
285 | } |
294 | } |
286 | |
295 | |
287 | static HV * |
296 | static HV * |
288 | coro_get_hv (const char *name, int create) |
297 | coro_get_hv (pTHX_ const char *name, int create) |
289 | { |
298 | { |
290 | #if PERL_VERSION_ATLEAST (5,9,0) |
299 | #if PERL_VERSION_ATLEAST (5,10,0) |
291 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
300 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
292 | get_hv (name, create); |
301 | get_hv (name, create); |
293 | #endif |
302 | #endif |
294 | return get_hv (name, create); |
303 | return get_hv (name, create); |
295 | } |
304 | } |
… | |
… | |
300 | AV *padlist = CvPADLIST (cv); |
309 | AV *padlist = CvPADLIST (cv); |
301 | AV *newpadlist, *newpad; |
310 | AV *newpadlist, *newpad; |
302 | |
311 | |
303 | newpadlist = newAV (); |
312 | newpadlist = newAV (); |
304 | AvREAL_off (newpadlist); |
313 | AvREAL_off (newpadlist); |
305 | #if PERL_VERSION_ATLEAST (5,9,0) |
314 | #if PERL_VERSION_ATLEAST (5,10,0) |
306 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
315 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
307 | #else |
316 | #else |
308 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
317 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
309 | #endif |
318 | #endif |
310 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
319 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
… | |
… | |
348 | |
357 | |
349 | /* casting is fun. */ |
358 | /* casting is fun. */ |
350 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
359 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
351 | free_padlist (aTHX_ padlist); |
360 | free_padlist (aTHX_ padlist); |
352 | |
361 | |
353 | SvREFCNT_dec (av); |
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354 | |
|
|
355 | return 0; |
362 | return 0; |
356 | } |
363 | } |
357 | |
364 | |
358 | #define PERL_MAGIC_coro PERL_MAGIC_ext |
365 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
|
|
366 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
359 | |
367 | |
360 | static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; |
368 | static MGVTBL coro_cv_vtbl = { |
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369 | 0, 0, 0, 0, |
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370 | coro_cv_free |
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|
371 | }; |
361 | |
372 | |
362 | #define CORO_MAGIC(cv) \ |
373 | #define CORO_MAGIC(sv,type) \ |
363 | SvMAGIC (cv) \ |
374 | SvMAGIC (sv) \ |
364 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
375 | ? SvMAGIC (sv)->mg_type == type \ |
365 | ? SvMAGIC (cv) \ |
376 | ? SvMAGIC (sv) \ |
366 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
377 | : mg_find (sv, type) \ |
367 | : 0 |
378 | : 0 |
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|
379 | |
|
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380 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
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|
381 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
368 | |
382 | |
369 | static struct coro * |
383 | static struct coro * |
370 | SvSTATE_ (pTHX_ SV *coro) |
384 | SvSTATE_ (pTHX_ SV *coro) |
371 | { |
385 | { |
372 | HV *stash; |
386 | HV *stash; |
… | |
… | |
384 | /* very slow, but rare, check */ |
398 | /* very slow, but rare, check */ |
385 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
399 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
386 | croak ("Coro::State object required"); |
400 | croak ("Coro::State object required"); |
387 | } |
401 | } |
388 | |
402 | |
389 | mg = CORO_MAGIC (coro); |
403 | mg = CORO_MAGIC_state (coro); |
390 | return (struct coro *)mg->mg_ptr; |
404 | return (struct coro *)mg->mg_ptr; |
391 | } |
405 | } |
392 | |
406 | |
393 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
407 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
394 | |
408 | |
395 | /* the next two functions merely cache the padlists */ |
409 | /* the next two functions merely cache the padlists */ |
396 | static void |
410 | static void |
397 | get_padlist (pTHX_ CV *cv) |
411 | get_padlist (pTHX_ CV *cv) |
398 | { |
412 | { |
399 | MAGIC *mg = CORO_MAGIC (cv); |
413 | MAGIC *mg = CORO_MAGIC_cv (cv); |
400 | AV *av; |
414 | AV *av; |
401 | |
415 | |
402 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
416 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
403 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
417 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
404 | else |
418 | else |
… | |
… | |
416 | } |
430 | } |
417 | |
431 | |
418 | static void |
432 | static void |
419 | put_padlist (pTHX_ CV *cv) |
433 | put_padlist (pTHX_ CV *cv) |
420 | { |
434 | { |
421 | MAGIC *mg = CORO_MAGIC (cv); |
435 | MAGIC *mg = CORO_MAGIC_cv (cv); |
422 | AV *av; |
436 | AV *av; |
423 | |
437 | |
424 | if (expect_false (!mg)) |
438 | if (expect_false (!mg)) |
425 | { |
439 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
426 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
|
|
427 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
|
|
428 | mg->mg_virtual = &vtbl_coro; |
|
|
429 | mg->mg_obj = (SV *)newAV (); |
|
|
430 | } |
|
|
431 | |
440 | |
432 | av = (AV *)mg->mg_obj; |
441 | av = (AV *)mg->mg_obj; |
433 | |
442 | |
434 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
443 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
435 | av_extend (av, AvMAX (av) + 1); |
444 | av_extend (av, AvMAX (av) + 1); |
… | |
… | |
453 | GvSV (irsgv) = slot->irsgv; |
462 | GvSV (irsgv) = slot->irsgv; |
454 | |
463 | |
455 | #define VAR(name,type) PL_ ## name = slot->name; |
464 | #define VAR(name,type) PL_ ## name = slot->name; |
456 | # include "state.h" |
465 | # include "state.h" |
457 | #undef VAR |
466 | #undef VAR |
458 | |
|
|
459 | /*hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);*/ |
|
|
460 | /*hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);*/ |
|
|
461 | |
467 | |
462 | { |
468 | { |
463 | dSP; |
469 | dSP; |
464 | |
470 | |
465 | CV *cv; |
471 | CV *cv; |
… | |
… | |
594 | |
600 | |
595 | New(54,PL_savestack,24,ANY); |
601 | New(54,PL_savestack,24,ANY); |
596 | PL_savestack_ix = 0; |
602 | PL_savestack_ix = 0; |
597 | PL_savestack_max = 24; |
603 | PL_savestack_max = 24; |
598 | |
604 | |
599 | #if !PERL_VERSION_ATLEAST (5,9,0) |
605 | #if !PERL_VERSION_ATLEAST (5,10,0) |
600 | New(54,PL_retstack,4,OP*); |
606 | New(54,PL_retstack,4,OP*); |
601 | PL_retstack_ix = 0; |
607 | PL_retstack_ix = 0; |
602 | PL_retstack_max = 4; |
608 | PL_retstack_max = 4; |
603 | #endif |
609 | #endif |
604 | } |
610 | } |
… | |
… | |
627 | |
633 | |
628 | Safefree (PL_tmps_stack); |
634 | Safefree (PL_tmps_stack); |
629 | Safefree (PL_markstack); |
635 | Safefree (PL_markstack); |
630 | Safefree (PL_scopestack); |
636 | Safefree (PL_scopestack); |
631 | Safefree (PL_savestack); |
637 | Safefree (PL_savestack); |
632 | #if !PERL_VERSION_ATLEAST (5,9,0) |
638 | #if !PERL_VERSION_ATLEAST (5,10,0) |
633 | Safefree (PL_retstack); |
639 | Safefree (PL_retstack); |
634 | #endif |
640 | #endif |
635 | } |
641 | } |
636 | |
642 | |
637 | static size_t |
643 | static size_t |
… | |
… | |
661 | rss += slot->tmps_max * sizeof (SV *); |
667 | rss += slot->tmps_max * sizeof (SV *); |
662 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
668 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
663 | rss += slot->scopestack_max * sizeof (I32); |
669 | rss += slot->scopestack_max * sizeof (I32); |
664 | rss += slot->savestack_max * sizeof (ANY); |
670 | rss += slot->savestack_max * sizeof (ANY); |
665 | |
671 | |
666 | #if !PERL_VERSION_ATLEAST (5,9,0) |
672 | #if !PERL_VERSION_ATLEAST (5,10,0) |
667 | rss += slot->retstack_max * sizeof (OP *); |
673 | rss += slot->retstack_max * sizeof (OP *); |
668 | #endif |
674 | #endif |
669 | } |
675 | } |
670 | |
676 | |
671 | return rss; |
677 | return rss; |
672 | } |
678 | } |
673 | |
679 | |
674 | /** coroutine stack handling ************************************************/ |
680 | /** coroutine stack handling ************************************************/ |
|
|
681 | |
|
|
682 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
683 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
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684 | |
|
|
685 | /* |
|
|
686 | * This overrides the default magic get method of %SIG elements. |
|
|
687 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
|
|
688 | * and instead of tryign to save and restore the hash elements, we just provide |
|
|
689 | * readback here. |
|
|
690 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
691 | * not expecting this to actually change the hook. This is a potential problem |
|
|
692 | * when a schedule happens then, but we ignore this. |
|
|
693 | */ |
|
|
694 | static int |
|
|
695 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
|
|
696 | { |
|
|
697 | const char *s = MgPV_nolen_const (mg); |
|
|
698 | |
|
|
699 | if (*s == '_') |
|
|
700 | { |
|
|
701 | if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0; |
|
|
702 | if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0; |
|
|
703 | } |
|
|
704 | |
|
|
705 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
|
|
706 | } |
|
|
707 | |
|
|
708 | static int |
|
|
709 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
|
|
710 | { |
|
|
711 | const char *s = MgPV_nolen_const (mg); |
|
|
712 | |
|
|
713 | if (*s == '_') |
|
|
714 | { |
|
|
715 | SV **svp = 0; |
|
|
716 | |
|
|
717 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
718 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
719 | |
|
|
720 | if (svp) |
|
|
721 | { |
|
|
722 | SV *old = *svp; |
|
|
723 | *svp = newSVsv (sv); |
|
|
724 | SvREFCNT_dec (old); |
|
|
725 | return 0; |
|
|
726 | } |
|
|
727 | } |
|
|
728 | |
|
|
729 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
730 | } |
675 | |
731 | |
676 | static void |
732 | static void |
677 | coro_setup (pTHX_ struct coro *coro) |
733 | coro_setup (pTHX_ struct coro *coro) |
678 | { |
734 | { |
679 | /* |
735 | /* |
… | |
… | |
688 | PL_curpm = 0; |
744 | PL_curpm = 0; |
689 | PL_curpad = 0; |
745 | PL_curpad = 0; |
690 | PL_localizing = 0; |
746 | PL_localizing = 0; |
691 | PL_dirty = 0; |
747 | PL_dirty = 0; |
692 | PL_restartop = 0; |
748 | PL_restartop = 0; |
693 | PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); |
749 | #if PERL_VERSION_ATLEAST (5,10,0) |
694 | PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0); |
750 | PL_parser = 0; |
|
|
751 | #endif |
|
|
752 | |
|
|
753 | /* recreate the die/warn hooks */ |
|
|
754 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
|
|
755 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
695 | |
756 | |
696 | GvSV (PL_defgv) = newSV (0); |
757 | GvSV (PL_defgv) = newSV (0); |
697 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
758 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
698 | GvSV (PL_errgv) = newSV (0); |
759 | GvSV (PL_errgv) = newSV (0); |
699 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
760 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
… | |
… | |
712 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
773 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
713 | PUTBACK; |
774 | PUTBACK; |
714 | PL_op = (OP *)&myop; |
775 | PL_op = (OP *)&myop; |
715 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
776 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
716 | SPAGAIN; |
777 | SPAGAIN; |
717 | |
|
|
718 | /* |
|
|
719 | * now its very tricky. the "tail" of the next transfer might end up |
|
|
720 | * either in a new cctx, or an existing one. |
|
|
721 | * in case of an existing one we have to take care of whatever |
|
|
722 | * entersub and transfer do to the perl stack. |
|
|
723 | */ |
|
|
724 | ENTER; |
|
|
725 | EXTEND (SP, 4); |
|
|
726 | PUSHs ((SV *)0); /* items */ |
|
|
727 | PUSHs ((SV *)0); /* ix, set_stacklevel */ |
|
|
728 | PUSHs ((SV *)(sp - PL_stack_base + 1)); /* ax */ |
|
|
729 | PUSHs ((SV *)0); /* again */ |
|
|
730 | PUTBACK; |
|
|
731 | } |
778 | } |
|
|
779 | |
|
|
780 | /* this newly created coroutine might be run on an existing cctx which most |
|
|
781 | * likely was suspended in set_stacklevel, called from entersub. |
|
|
782 | * set_stacklevl doesn't do anything on return, but entersub does LEAVE, |
|
|
783 | * so we ENTER here for symmetry |
|
|
784 | */ |
|
|
785 | ENTER; |
732 | } |
786 | } |
733 | |
787 | |
734 | static void |
788 | static void |
735 | coro_destroy (pTHX_ struct coro *coro) |
789 | coro_destroy (pTHX_ struct coro *coro) |
736 | { |
790 | { |
… | |
… | |
820 | PUSHMARK (SP); |
874 | PUSHMARK (SP); |
821 | PUSHs (&PL_sv_no); |
875 | PUSHs (&PL_sv_no); |
822 | PUSHs (fullname); |
876 | PUSHs (fullname); |
823 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
877 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
824 | PUTBACK; |
878 | PUTBACK; |
825 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); |
879 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
826 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
880 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
827 | SPAGAIN; |
881 | SPAGAIN; |
828 | FREETMPS; |
882 | FREETMPS; |
829 | LEAVE; |
883 | LEAVE; |
830 | PL_runops = runops_trace; |
884 | PL_runops = runops_trace; |
… | |
… | |
857 | SAVETMPS; |
911 | SAVETMPS; |
858 | EXTEND (SP, 3); |
912 | EXTEND (SP, 3); |
859 | PUSHMARK (SP); |
913 | PUSHMARK (SP); |
860 | PUSHs (&PL_sv_yes); |
914 | PUSHs (&PL_sv_yes); |
861 | PUSHs (fullname); |
915 | PUSHs (fullname); |
862 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
916 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
863 | PUTBACK; |
917 | PUTBACK; |
864 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); |
918 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
865 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
919 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
866 | SPAGAIN; |
920 | SPAGAIN; |
867 | FREETMPS; |
921 | FREETMPS; |
868 | LEAVE; |
922 | LEAVE; |
869 | PL_runops = runops_trace; |
923 | PL_runops = runops_trace; |
… | |
… | |
883 | PL_runops = RUNOPS_DEFAULT; |
937 | PL_runops = RUNOPS_DEFAULT; |
884 | PUSHMARK (SP); |
938 | PUSHMARK (SP); |
885 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
939 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
886 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
940 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
887 | PUTBACK; |
941 | PUTBACK; |
888 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0); |
942 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
889 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
943 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
890 | SPAGAIN; |
944 | SPAGAIN; |
891 | FREETMPS; |
945 | FREETMPS; |
892 | LEAVE; |
946 | LEAVE; |
893 | PL_runops = runops_trace; |
947 | PL_runops = runops_trace; |
… | |
… | |
1032 | |
1086 | |
1033 | /* wether this cctx should be destructed */ |
1087 | /* wether this cctx should be destructed */ |
1034 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
1088 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
1035 | |
1089 | |
1036 | static coro_cctx * |
1090 | static coro_cctx * |
1037 | cctx_get (pTHX_ int gimme) |
1091 | cctx_get (pTHX) |
1038 | { |
1092 | { |
1039 | while (expect_true (cctx_first[gimme])) |
1093 | while (expect_true (cctx_first)) |
1040 | { |
1094 | { |
1041 | coro_cctx *cctx = cctx_first[gimme]; |
1095 | coro_cctx *cctx = cctx_first; |
1042 | cctx_first[gimme] = cctx->next; |
1096 | cctx_first = cctx->next; |
1043 | --cctx_idle[gimme]; |
1097 | --cctx_idle; |
1044 | |
1098 | |
1045 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1099 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1046 | return cctx; |
1100 | return cctx; |
1047 | |
1101 | |
1048 | cctx_destroy (cctx); |
1102 | cctx_destroy (cctx); |
1049 | } |
1103 | } |
1050 | |
1104 | |
1051 | assert (!gimme); |
|
|
1052 | return cctx_new (); |
1105 | return cctx_new (); |
1053 | } |
1106 | } |
1054 | |
1107 | |
1055 | static void |
1108 | static void |
1056 | cctx_put (coro_cctx *cctx, int gimme) |
1109 | cctx_put (coro_cctx *cctx) |
1057 | { |
1110 | { |
1058 | /* free another cctx if overlimit */ |
1111 | /* free another cctx if overlimit */ |
1059 | if (expect_false (cctx_idle[gimme] >= MAX_IDLE_CCTX)) |
1112 | if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) |
1060 | { |
1113 | { |
1061 | coro_cctx *first = cctx_first[gimme]; |
1114 | coro_cctx *first = cctx_first; |
1062 | cctx_first[gimme] = first->next; |
1115 | cctx_first = first->next; |
1063 | --cctx_idle[gimme]; |
1116 | --cctx_idle; |
1064 | |
1117 | |
1065 | cctx_destroy (first); |
1118 | cctx_destroy (first); |
1066 | } |
1119 | } |
1067 | |
1120 | |
1068 | ++cctx_idle[gimme]; |
1121 | ++cctx_idle; |
1069 | cctx->next = cctx_first[gimme]; |
1122 | cctx->next = cctx_first; |
1070 | cctx_first[gimme] = cctx; |
1123 | cctx_first = cctx; |
1071 | } |
1124 | } |
1072 | |
1125 | |
1073 | /** coroutine switching *****************************************************/ |
1126 | /** coroutine switching *****************************************************/ |
1074 | |
1127 | |
1075 | static void |
1128 | static void |
… | |
… | |
1084 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1137 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1085 | |
1138 | |
1086 | if (expect_false (next->flags & CF_DESTROYED)) |
1139 | if (expect_false (next->flags & CF_DESTROYED)) |
1087 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1140 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1088 | |
1141 | |
1089 | if ( |
|
|
1090 | #if PERL_VERSION_ATLEAST (5,9,0) |
1142 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1091 | expect_false (PL_parser) |
|
|
1092 | #else |
|
|
1093 | expect_false (PL_lex_state != LEX_NOTPARSING) |
1143 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1094 | #endif |
|
|
1095 | ) |
|
|
1096 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
1144 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version"); |
|
|
1145 | #endif |
1097 | } |
1146 | } |
1098 | } |
1147 | } |
1099 | |
1148 | |
1100 | /* always use the TRANSFER macro */ |
1149 | /* always use the TRANSFER macro */ |
1101 | static void NOINLINE |
1150 | static void NOINLINE |
1102 | transfer (pTHX_ struct coro *prev, struct coro *next) |
1151 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1103 | { |
1152 | { |
1104 | dSTACKLEVEL; |
1153 | dSTACKLEVEL; |
|
|
1154 | static volatile int has_throw; |
1105 | |
1155 | |
1106 | /* sometimes transfer is only called to set idle_sp */ |
1156 | /* sometimes transfer is only called to set idle_sp */ |
1107 | if (expect_false (!next)) |
1157 | if (expect_false (!next)) |
1108 | { |
1158 | { |
1109 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1159 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
… | |
… | |
1124 | prev->flags &= ~CF_RUNNING; |
1174 | prev->flags &= ~CF_RUNNING; |
1125 | next->flags |= CF_RUNNING; |
1175 | next->flags |= CF_RUNNING; |
1126 | |
1176 | |
1127 | LOCK; |
1177 | LOCK; |
1128 | |
1178 | |
|
|
1179 | /* first get rid of the old state */ |
|
|
1180 | save_perl (aTHX_ prev); |
|
|
1181 | |
1129 | if (expect_false (next->flags & CF_NEW)) |
1182 | if (expect_false (next->flags & CF_NEW)) |
1130 | { |
1183 | { |
1131 | /* need to start coroutine */ |
1184 | /* need to start coroutine */ |
1132 | next->flags &= ~CF_NEW; |
1185 | next->flags &= ~CF_NEW; |
1133 | /* first get rid of the old state */ |
|
|
1134 | save_perl (aTHX_ prev); |
|
|
1135 | /* setup coroutine call */ |
1186 | /* setup coroutine call */ |
1136 | coro_setup (aTHX_ next); |
1187 | coro_setup (aTHX_ next); |
1137 | } |
1188 | } |
1138 | else |
1189 | else |
1139 | { |
|
|
1140 | /* coroutine already started */ |
|
|
1141 | save_perl (aTHX_ prev); |
|
|
1142 | load_perl (aTHX_ next); |
1190 | load_perl (aTHX_ next); |
1143 | } |
|
|
1144 | |
1191 | |
1145 | prev__cctx = prev->cctx; |
1192 | prev__cctx = prev->cctx; |
1146 | |
1193 | |
1147 | /* possibly "free" the cctx */ |
1194 | /* possibly "free" the cctx */ |
1148 | if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) |
1195 | if (expect_true ( |
|
|
1196 | prev__cctx->idle_sp == STACKLEVEL |
|
|
1197 | && !(prev__cctx->flags & CC_TRACE) |
|
|
1198 | && !force_cctx |
|
|
1199 | )) |
1149 | { |
1200 | { |
1150 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1201 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1151 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1202 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1152 | |
1203 | |
1153 | prev->cctx = 0; |
1204 | prev->cctx = 0; |
1154 | |
1205 | |
1155 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1206 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1156 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1207 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1157 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1208 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1158 | if (!next->cctx) |
1209 | if (!next->cctx) |
1159 | next->cctx = cctx_get (aTHX_ next->gimme); |
1210 | next->cctx = cctx_get (aTHX); |
1160 | |
1211 | |
1161 | cctx_put (prev__cctx, prev->gimme); |
1212 | cctx_put (prev__cctx); |
1162 | } |
1213 | } |
1163 | |
1214 | |
1164 | ++next->usecount; |
1215 | ++next->usecount; |
1165 | |
1216 | |
1166 | if (expect_true (!next->cctx)) |
1217 | if (expect_true (!next->cctx)) |
1167 | next->cctx = cctx_get (aTHX_ next->gimme); |
1218 | next->cctx = cctx_get (aTHX); |
|
|
1219 | |
|
|
1220 | has_throw = !!next->throw; |
1168 | |
1221 | |
1169 | if (expect_false (prev__cctx != next->cctx)) |
1222 | if (expect_false (prev__cctx != next->cctx)) |
1170 | { |
1223 | { |
1171 | prev__cctx->top_env = PL_top_env; |
1224 | prev__cctx->top_env = PL_top_env; |
1172 | PL_top_env = next->cctx->top_env; |
1225 | PL_top_env = next->cctx->top_env; |
… | |
… | |
1174 | } |
1227 | } |
1175 | |
1228 | |
1176 | free_coro_mortal (aTHX); |
1229 | free_coro_mortal (aTHX); |
1177 | UNLOCK; |
1230 | UNLOCK; |
1178 | |
1231 | |
1179 | if (expect_false (prev->throw || next->throw)) |
1232 | if (expect_false (has_throw)) |
1180 | { |
1233 | { |
1181 | struct coro *coro = SvSTATE (coro_current); |
1234 | struct coro *coro = SvSTATE (coro_current); |
1182 | |
1235 | |
1183 | if (coro->throw) |
1236 | if (coro->throw) |
1184 | { |
1237 | { |
… | |
… | |
1194 | struct transfer_args |
1247 | struct transfer_args |
1195 | { |
1248 | { |
1196 | struct coro *prev, *next; |
1249 | struct coro *prev, *next; |
1197 | }; |
1250 | }; |
1198 | |
1251 | |
1199 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
1252 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1200 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1253 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1201 | |
1254 | |
1202 | /** high level stuff ********************************************************/ |
1255 | /** high level stuff ********************************************************/ |
1203 | |
1256 | |
1204 | static int |
1257 | static int |
… | |
… | |
1298 | { |
1351 | { |
1299 | dTHX; |
1352 | dTHX; |
1300 | struct transfer_args ta; |
1353 | struct transfer_args ta; |
1301 | |
1354 | |
1302 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1355 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1303 | TRANSFER (ta); |
1356 | TRANSFER (ta, 1); |
1304 | } |
1357 | } |
1305 | |
1358 | |
1306 | /** Coro ********************************************************************/ |
1359 | /** Coro ********************************************************************/ |
1307 | |
1360 | |
1308 | static void |
1361 | static void |
… | |
… | |
1310 | { |
1363 | { |
1311 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1364 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1312 | } |
1365 | } |
1313 | |
1366 | |
1314 | static SV * |
1367 | static SV * |
1315 | coro_deq (pTHX_ int min_prio) |
1368 | coro_deq (pTHX) |
1316 | { |
1369 | { |
1317 | int prio = PRIO_MAX - PRIO_MIN; |
1370 | int prio; |
1318 | |
1371 | |
1319 | min_prio -= PRIO_MIN; |
|
|
1320 | if (min_prio < 0) |
|
|
1321 | min_prio = 0; |
|
|
1322 | |
|
|
1323 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) |
1372 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1324 | if (AvFILLp (coro_ready [prio]) >= 0) |
1373 | if (AvFILLp (coro_ready [prio]) >= 0) |
1325 | return av_shift (coro_ready [prio]); |
1374 | return av_shift (coro_ready [prio]); |
1326 | |
1375 | |
1327 | return 0; |
1376 | return 0; |
1328 | } |
1377 | } |
… | |
… | |
1364 | SV *prev_sv, *next_sv; |
1413 | SV *prev_sv, *next_sv; |
1365 | |
1414 | |
1366 | for (;;) |
1415 | for (;;) |
1367 | { |
1416 | { |
1368 | LOCK; |
1417 | LOCK; |
1369 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1418 | next_sv = coro_deq (aTHX); |
1370 | |
1419 | |
1371 | /* nothing to schedule: call the idle handler */ |
1420 | /* nothing to schedule: call the idle handler */ |
1372 | if (expect_false (!next_sv)) |
1421 | if (expect_false (!next_sv)) |
1373 | { |
1422 | { |
1374 | dSP; |
1423 | dSP; |
… | |
… | |
1378 | SAVETMPS; |
1427 | SAVETMPS; |
1379 | |
1428 | |
1380 | PUSHMARK (SP); |
1429 | PUSHMARK (SP); |
1381 | PUTBACK; |
1430 | PUTBACK; |
1382 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
1431 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
|
|
1432 | SPAGAIN; |
1383 | |
1433 | |
1384 | FREETMPS; |
1434 | FREETMPS; |
1385 | LEAVE; |
1435 | LEAVE; |
1386 | continue; |
1436 | continue; |
1387 | } |
1437 | } |
… | |
… | |
1442 | { |
1492 | { |
1443 | dTHX; |
1493 | dTHX; |
1444 | struct transfer_args ta; |
1494 | struct transfer_args ta; |
1445 | |
1495 | |
1446 | prepare_schedule (aTHX_ &ta); |
1496 | prepare_schedule (aTHX_ &ta); |
1447 | TRANSFER (ta); |
1497 | TRANSFER (ta, 1); |
1448 | } |
1498 | } |
1449 | |
1499 | |
1450 | static int |
1500 | static int |
1451 | api_cede (void) |
1501 | api_cede (void) |
1452 | { |
1502 | { |
… | |
… | |
1455 | |
1505 | |
1456 | prepare_cede (aTHX_ &ta); |
1506 | prepare_cede (aTHX_ &ta); |
1457 | |
1507 | |
1458 | if (expect_true (ta.prev != ta.next)) |
1508 | if (expect_true (ta.prev != ta.next)) |
1459 | { |
1509 | { |
1460 | TRANSFER (ta); |
1510 | TRANSFER (ta, 1); |
1461 | return 1; |
1511 | return 1; |
1462 | } |
1512 | } |
1463 | else |
1513 | else |
1464 | return 0; |
1514 | return 0; |
1465 | } |
1515 | } |
… | |
… | |
1470 | dTHX; |
1520 | dTHX; |
1471 | struct transfer_args ta; |
1521 | struct transfer_args ta; |
1472 | |
1522 | |
1473 | if (prepare_cede_notself (aTHX_ &ta)) |
1523 | if (prepare_cede_notself (aTHX_ &ta)) |
1474 | { |
1524 | { |
1475 | TRANSFER (ta); |
1525 | TRANSFER (ta, 1); |
1476 | return 1; |
1526 | return 1; |
1477 | } |
1527 | } |
1478 | else |
1528 | else |
1479 | return 0; |
1529 | return 0; |
1480 | } |
1530 | } |
… | |
… | |
1517 | BOOT_PAGESIZE; |
1567 | BOOT_PAGESIZE; |
1518 | |
1568 | |
1519 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1569 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1520 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
1570 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
1521 | |
1571 | |
|
|
1572 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; |
|
|
1573 | PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
|
|
1574 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; |
|
|
1575 | PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
|
|
1576 | |
1522 | hv_sig = coro_get_hv ("SIG", TRUE); |
1577 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
1523 | sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE); |
1578 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
1524 | sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE); |
1579 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
1525 | |
|
|
1526 | if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); |
|
|
1527 | if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0); |
|
|
1528 | |
1580 | |
1529 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1581 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1530 | |
1582 | |
1531 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1583 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1532 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1584 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
… | |
… | |
1538 | |
1590 | |
1539 | while (main_top_env->je_prev) |
1591 | while (main_top_env->je_prev) |
1540 | main_top_env = main_top_env->je_prev; |
1592 | main_top_env = main_top_env->je_prev; |
1541 | |
1593 | |
1542 | coroapi.ver = CORO_API_VERSION; |
1594 | coroapi.ver = CORO_API_VERSION; |
|
|
1595 | coroapi.rev = CORO_API_REVISION; |
1543 | coroapi.transfer = api_transfer; |
1596 | coroapi.transfer = api_transfer; |
1544 | |
1597 | |
1545 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1598 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1546 | } |
1599 | } |
1547 | |
1600 | |
1548 | SV * |
1601 | SV * |
1549 | new (char *klass, ...) |
1602 | new (char *klass, ...) |
1550 | CODE: |
1603 | CODE: |
1551 | { |
1604 | { |
1552 | struct coro *coro; |
1605 | struct coro *coro; |
|
|
1606 | MAGIC *mg; |
1553 | HV *hv; |
1607 | HV *hv; |
1554 | int i; |
1608 | int i; |
1555 | |
1609 | |
1556 | Newz (0, coro, 1, struct coro); |
1610 | Newz (0, coro, 1, struct coro); |
1557 | coro->args = newAV (); |
1611 | coro->args = newAV (); |
… | |
… | |
1560 | if (coro_first) coro_first->prev = coro; |
1614 | if (coro_first) coro_first->prev = coro; |
1561 | coro->next = coro_first; |
1615 | coro->next = coro_first; |
1562 | coro_first = coro; |
1616 | coro_first = coro; |
1563 | |
1617 | |
1564 | coro->hv = hv = newHV (); |
1618 | coro->hv = hv = newHV (); |
1565 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1619 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
1620 | mg->mg_flags |= MGf_DUP; |
1566 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1621 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1567 | |
1622 | |
1568 | av_extend (coro->args, items - 1); |
1623 | av_extend (coro->args, items - 1); |
1569 | for (i = 1; i < items; i++) |
1624 | for (i = 1; i < items; i++) |
1570 | av_push (coro->args, newSVsv (ST (i))); |
1625 | av_push (coro->args, newSVsv (ST (i))); |
… | |
… | |
1576 | # function to increase chances that they all will call transfer with the same |
1631 | # function to increase chances that they all will call transfer with the same |
1577 | # stack offset |
1632 | # stack offset |
1578 | void |
1633 | void |
1579 | _set_stacklevel (...) |
1634 | _set_stacklevel (...) |
1580 | ALIAS: |
1635 | ALIAS: |
1581 | Coro::State::transfer = 1 |
1636 | Coro::State::transfer = 1 |
1582 | Coro::schedule = 2 |
1637 | Coro::schedule = 2 |
1583 | Coro::cede = 3 |
1638 | Coro::cede = 3 |
1584 | Coro::cede_notself = 4 |
1639 | Coro::cede_notself = 4 |
1585 | Coro::Event::next = 5 |
|
|
1586 | Coro::Event::next_cancel = 6 |
|
|
1587 | PPCODE: |
1640 | CODE: |
1588 | { |
1641 | { |
1589 | struct transfer_args ta; |
1642 | struct transfer_args ta; |
1590 | int again = 0; |
|
|
1591 | |
1643 | |
1592 | do |
1644 | PUTBACK; |
|
|
1645 | switch (ix) |
1593 | { |
1646 | { |
1594 | switch (ix) |
|
|
1595 | { |
|
|
1596 | case 0: |
1647 | case 0: |
1597 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1648 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1598 | ta.next = 0; |
1649 | ta.next = 0; |
1599 | break; |
1650 | break; |
1600 | |
1651 | |
1601 | case 1: |
1652 | case 1: |
1602 | if (items != 2) |
1653 | if (items != 2) |
1603 | croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); |
1654 | croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); |
1604 | |
1655 | |
1605 | prepare_transfer (aTHX_ &ta, ST(0), ST(1)); |
1656 | prepare_transfer (aTHX_ &ta, ST (0), ST (1)); |
1606 | break; |
1657 | break; |
1607 | |
1658 | |
1608 | case 2: |
1659 | case 2: |
1609 | prepare_schedule (aTHX_ &ta); |
1660 | prepare_schedule (aTHX_ &ta); |
1610 | break; |
1661 | break; |
1611 | |
1662 | |
1612 | case 3: |
1663 | case 3: |
1613 | prepare_cede (aTHX_ &ta); |
1664 | prepare_cede (aTHX_ &ta); |
1614 | break; |
1665 | break; |
1615 | |
1666 | |
1616 | case 4: |
1667 | case 4: |
1617 | if (!prepare_cede_notself (aTHX_ &ta)) |
1668 | if (!prepare_cede_notself (aTHX_ &ta)) |
1618 | XSRETURN_EMPTY; |
1669 | XSRETURN_EMPTY; |
1619 | |
1670 | |
1620 | break; |
1671 | break; |
1621 | |
|
|
1622 | case 5: |
|
|
1623 | case 6: |
|
|
1624 | if (items != 1) |
|
|
1625 | croak ("Coro::Event::next (watcher) expects one argument, not %d", items); |
|
|
1626 | |
|
|
1627 | { |
|
|
1628 | SV *ev = coroapi.coro_event_next (ST (0), ix == 6, GIMME_V != G_VOID); |
|
|
1629 | |
|
|
1630 | if (ev) |
|
|
1631 | { |
|
|
1632 | if (GIMME_V != G_VOID) |
|
|
1633 | { |
|
|
1634 | XPUSHs (ev); |
|
|
1635 | XSRETURN (1); |
|
|
1636 | } |
|
|
1637 | else |
|
|
1638 | XSRETURN_EMPTY; |
|
|
1639 | } |
|
|
1640 | } |
|
|
1641 | |
|
|
1642 | prepare_schedule (aTHX_ &ta); |
|
|
1643 | again = 1; |
|
|
1644 | break; |
|
|
1645 | } |
|
|
1646 | |
|
|
1647 | /* our caller, entersub, caches *only* this value */ |
|
|
1648 | ta.prev->gimme = GIMME_V == G_VOID ? 0 |
|
|
1649 | : GIMME_V == G_SCALAR ? 1 |
|
|
1650 | : 2; |
|
|
1651 | |
|
|
1652 | /* we need to save all local variables, as we might execute a different coroutine when transfer returns */ |
|
|
1653 | sp += 2; /* save args */ |
|
|
1654 | EXTEND (SP, 4); |
|
|
1655 | PUSHs ((SV *)(intptr_t)items); |
|
|
1656 | PUSHs ((SV *)(intptr_t)ix); |
|
|
1657 | PUSHs ((SV *)(intptr_t)ax); |
|
|
1658 | PUSHs ((SV *)(intptr_t)again); |
|
|
1659 | PUTBACK; |
|
|
1660 | BARRIER; |
|
|
1661 | TRANSFER (ta); |
|
|
1662 | BARRIER; |
|
|
1663 | SPAGAIN; |
|
|
1664 | again = (intptr_t)POPs; |
|
|
1665 | ax = (intptr_t)POPs; |
|
|
1666 | ix = (intptr_t)POPs; |
|
|
1667 | items = (intptr_t)POPs; |
|
|
1668 | sp -= 2; /* restore args */ |
|
|
1669 | } |
1672 | } |
1670 | while (again); |
1673 | SPAGAIN; |
1671 | |
1674 | |
1672 | if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev)) |
1675 | BARRIER; |
1673 | XSRETURN_YES; |
1676 | PUTBACK; |
1674 | |
1677 | TRANSFER (ta, 0); |
1675 | XSRETURN_EMPTY; /* not understood why this is necessary, likely some stack handling bug */ |
1678 | SPAGAIN; /* might be the sp of a different coroutine now */ |
|
|
1679 | /* be extra careful not to ever do anything after TRANSFER */ |
1676 | } |
1680 | } |
1677 | |
1681 | |
1678 | bool |
1682 | bool |
1679 | _destroy (SV *coro_sv) |
1683 | _destroy (SV *coro_sv) |
1680 | CODE: |
1684 | CODE: |
… | |
… | |
1706 | RETVAL |
1710 | RETVAL |
1707 | |
1711 | |
1708 | int |
1712 | int |
1709 | cctx_idle () |
1713 | cctx_idle () |
1710 | CODE: |
1714 | CODE: |
1711 | RETVAL = cctx_idle[0] + cctx_idle[1] + cctx_idle[2]; |
1715 | RETVAL = cctx_idle; |
1712 | OUTPUT: |
1716 | OUTPUT: |
1713 | RETVAL |
1717 | RETVAL |
1714 | |
1718 | |
1715 | void |
1719 | void |
1716 | list () |
1720 | list () |
… | |
… | |
1732 | { |
1736 | { |
1733 | struct coro temp; |
1737 | struct coro temp; |
1734 | |
1738 | |
1735 | if (!(coro->flags & CF_RUNNING)) |
1739 | if (!(coro->flags & CF_RUNNING)) |
1736 | { |
1740 | { |
|
|
1741 | PUTBACK; |
1737 | save_perl (aTHX_ &temp); |
1742 | save_perl (aTHX_ &temp); |
1738 | load_perl (aTHX_ coro); |
1743 | load_perl (aTHX_ coro); |
1739 | } |
1744 | } |
1740 | |
1745 | |
1741 | { |
1746 | { |
… | |
… | |
1750 | eval_sv (coderef, 0); |
1755 | eval_sv (coderef, 0); |
1751 | else |
1756 | else |
1752 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1757 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1753 | |
1758 | |
1754 | POPSTACK; |
1759 | POPSTACK; |
|
|
1760 | SPAGAIN; |
1755 | FREETMPS; |
1761 | FREETMPS; |
1756 | LEAVE; |
1762 | LEAVE; |
|
|
1763 | PUTBACK; |
1757 | } |
1764 | } |
1758 | |
1765 | |
1759 | if (!(coro->flags & CF_RUNNING)) |
1766 | if (!(coro->flags & CF_RUNNING)) |
1760 | { |
1767 | { |
1761 | save_perl (aTHX_ coro); |
1768 | save_perl (aTHX_ coro); |
1762 | load_perl (aTHX_ &temp); |
1769 | load_perl (aTHX_ &temp); |
|
|
1770 | SPAGAIN; |
1763 | } |
1771 | } |
1764 | } |
1772 | } |
1765 | } |
1773 | } |
1766 | |
1774 | |
1767 | SV * |
1775 | SV * |
… | |
… | |
1808 | case 1: RETVAL = coro->usecount; break; |
1816 | case 1: RETVAL = coro->usecount; break; |
1809 | } |
1817 | } |
1810 | OUTPUT: |
1818 | OUTPUT: |
1811 | RETVAL |
1819 | RETVAL |
1812 | |
1820 | |
|
|
1821 | void |
|
|
1822 | force_cctx () |
|
|
1823 | CODE: |
|
|
1824 | struct coro *coro = SvSTATE (coro_current); |
|
|
1825 | coro->cctx->idle_sp = 0; |
1813 | |
1826 | |
1814 | MODULE = Coro::State PACKAGE = Coro |
1827 | MODULE = Coro::State PACKAGE = Coro |
1815 | |
1828 | |
1816 | BOOT: |
1829 | BOOT: |
1817 | { |
1830 | { |
1818 | int i; |
1831 | int i; |
1819 | |
1832 | |
1820 | sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE); |
1833 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
1821 | sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE); |
1834 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
1822 | av_async_pool = coro_get_av ("Coro::async_pool", TRUE); |
1835 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
1823 | |
1836 | |
1824 | coro_current = coro_get_sv ("Coro::current", FALSE); |
1837 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
1825 | SvREADONLY_on (coro_current); |
1838 | SvREADONLY_on (coro_current); |
1826 | |
1839 | |
1827 | coro_stash = gv_stashpv ("Coro", TRUE); |
1840 | coro_stash = gv_stashpv ("Coro", TRUE); |
1828 | |
1841 | |
1829 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1842 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
… | |
… | |
1904 | PROTOTYPE: $;$ |
1917 | PROTOTYPE: $;$ |
1905 | CODE: |
1918 | CODE: |
1906 | SvREFCNT_dec (self->throw); |
1919 | SvREFCNT_dec (self->throw); |
1907 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
1920 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
1908 | |
1921 | |
|
|
1922 | void |
|
|
1923 | swap_defsv (Coro::State self) |
|
|
1924 | PROTOTYPE: $ |
|
|
1925 | ALIAS: |
|
|
1926 | swap_defav = 1 |
|
|
1927 | CODE: |
|
|
1928 | if (!self->slot) |
|
|
1929 | croak ("cannot swap state with coroutine that has no saved state"); |
|
|
1930 | else |
|
|
1931 | { |
|
|
1932 | SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv); |
|
|
1933 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
|
|
1934 | |
|
|
1935 | SV *tmp = *src; *src = *dst; *dst = tmp; |
|
|
1936 | } |
|
|
1937 | |
1909 | # for async_pool speedup |
1938 | # for async_pool speedup |
1910 | void |
1939 | void |
1911 | _pool_1 (SV *cb) |
1940 | _pool_1 (SV *cb) |
1912 | CODE: |
1941 | CODE: |
1913 | { |
1942 | { |
1914 | struct coro *coro = SvSTATE (coro_current); |
1943 | struct coro *coro = SvSTATE (coro_current); |
1915 | HV *hv = (HV *)SvRV (coro_current); |
1944 | HV *hv = (HV *)SvRV (coro_current); |
1916 | AV *defav = GvAV (PL_defgv); |
1945 | AV *defav = GvAV (PL_defgv); |
1917 | SV *invoke = hv_delete (hv, strpair ("_invoke"), 0); |
1946 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1918 | AV *invoke_av; |
1947 | AV *invoke_av; |
1919 | int i, len; |
1948 | int i, len; |
1920 | |
1949 | |
1921 | if (!invoke) |
1950 | if (!invoke) |
|
|
1951 | { |
|
|
1952 | SvREFCNT_dec (PL_diehook); PL_diehook = 0; |
1922 | croak ("\3async_pool terminate\2\n"); |
1953 | croak ("\3async_pool terminate\2\n"); |
|
|
1954 | } |
1923 | |
1955 | |
1924 | SvREFCNT_dec (coro->saved_deffh); |
1956 | SvREFCNT_dec (coro->saved_deffh); |
1925 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
1957 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
1926 | |
1958 | |
1927 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1959 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1928 | newSVpvn (strpair ("[async_pool]")), 0); |
1960 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
1929 | |
1961 | |
1930 | invoke_av = (AV *)SvRV (invoke); |
1962 | invoke_av = (AV *)SvRV (invoke); |
1931 | len = av_len (invoke_av); |
1963 | len = av_len (invoke_av); |
1932 | |
1964 | |
1933 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
1965 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
… | |
… | |
1953 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1985 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1954 | coro->saved_deffh = 0; |
1986 | coro->saved_deffh = 0; |
1955 | |
1987 | |
1956 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1988 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1957 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1989 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1990 | { |
|
|
1991 | SvREFCNT_dec (PL_diehook); PL_diehook = 0; |
1958 | croak ("\3async_pool terminate\2\n"); |
1992 | croak ("\3async_pool terminate\2\n"); |
|
|
1993 | } |
1959 | |
1994 | |
1960 | av_clear (GvAV (PL_defgv)); |
1995 | av_clear (GvAV (PL_defgv)); |
1961 | hv_store ((HV *)SvRV (coro_current), strpair ("desc"), |
1996 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1962 | newSVpvn (strpair ("[async_pool idle]")), 0); |
1997 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1963 | |
1998 | |
1964 | coro->prio = 0; |
1999 | coro->prio = 0; |
1965 | |
2000 | |
1966 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2001 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
1967 | api_trace (coro_current, 0); |
2002 | api_trace (coro_current, 0); |