1 | #include "libcoro/coro.c" |
1 | #include "libcoro/coro.c" |
2 | |
2 | |
3 | #define PERL_NO_GET_CONTEXT |
3 | #define PERL_NO_GET_CONTEXT |
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4 | #define PERL_EXT |
4 | |
5 | |
5 | #include "EXTERN.h" |
6 | #include "EXTERN.h" |
6 | #include "perl.h" |
7 | #include "perl.h" |
7 | #include "XSUB.h" |
8 | #include "XSUB.h" |
8 | |
9 | |
9 | #include "patchlevel.h" |
10 | #include "patchlevel.h" |
10 | |
11 | |
11 | #include <stdio.h> |
12 | #include <stdio.h> |
12 | #include <errno.h> |
13 | #include <errno.h> |
13 | #include <assert.h> |
14 | #include <assert.h> |
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15 | #include <inttypes.h> /* portable stdint.h */ |
14 | |
16 | |
15 | #ifdef HAVE_MMAP |
17 | #ifdef HAVE_MMAP |
16 | # include <unistd.h> |
18 | # include <unistd.h> |
17 | # include <sys/mman.h> |
19 | # include <sys/mman.h> |
18 | # ifndef MAP_ANONYMOUS |
20 | # ifndef MAP_ANONYMOUS |
… | |
… | |
129 | #else |
131 | #else |
130 | # define LOCK (void)0 |
132 | # define LOCK (void)0 |
131 | # define UNLOCK (void)0 |
133 | # define UNLOCK (void)0 |
132 | #endif |
134 | #endif |
133 | |
135 | |
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136 | #define strpair(const) const, sizeof (const) - 1 |
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137 | |
134 | /* helper storage struct for Coro::AIO */ |
138 | /* helper storage struct for Coro::AIO */ |
135 | struct io_state |
139 | struct io_state |
136 | { |
140 | { |
137 | int errorno; |
141 | int errorno; |
138 | I32 laststype; |
142 | I32 laststype; |
… | |
… | |
147 | static HV *coro_state_stash, *coro_stash; |
151 | static HV *coro_state_stash, *coro_stash; |
148 | static SV *coro_mortal; /* will be freed after next transfer */ |
152 | static SV *coro_mortal; /* will be freed after next transfer */ |
149 | |
153 | |
150 | static GV *irsgv; /* $/ */ |
154 | static GV *irsgv; /* $/ */ |
151 | static GV *stdoutgv; /* *STDOUT */ |
155 | static GV *stdoutgv; /* *STDOUT */ |
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156 | |
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157 | static HV *hv_sig; /* %SIG */ |
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158 | static SV *sv_diehook; |
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159 | static SV *sv_warnhook; |
152 | |
160 | |
153 | /* async_pool helper stuff */ |
161 | /* async_pool helper stuff */ |
154 | static SV *sv_pool_rss; |
162 | static SV *sv_pool_rss; |
155 | static SV *sv_pool_size; |
163 | static SV *sv_pool_size; |
156 | static AV *av_async_pool; |
164 | static AV *av_async_pool; |
… | |
… | |
192 | CF_READY = 0x0002, /* coroutine is ready */ |
200 | CF_READY = 0x0002, /* coroutine is ready */ |
193 | CF_NEW = 0x0004, /* has never been switched to */ |
201 | CF_NEW = 0x0004, /* has never been switched to */ |
194 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
202 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
195 | }; |
203 | }; |
196 | |
204 | |
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205 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
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206 | typedef struct { |
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207 | SV *defsv; |
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208 | AV *defav; |
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209 | SV *errsv; |
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210 | SV *irsgv; |
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211 | #define VAR(name,type) type name; |
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212 | # include "state.h" |
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213 | #undef VAR |
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214 | } perl_slots; |
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215 | |
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216 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
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217 | |
197 | /* this is a structure representing a perl-level coroutine */ |
218 | /* this is a structure representing a perl-level coroutine */ |
198 | struct coro { |
219 | struct coro { |
199 | /* the c coroutine allocated to this perl coroutine, if any */ |
220 | /* the c coroutine allocated to this perl coroutine, if any */ |
200 | coro_cctx *cctx; |
221 | coro_cctx *cctx; |
201 | |
222 | |
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223 | /* process data */ |
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224 | AV *mainstack; |
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225 | perl_slots *slot; /* basically the saved sp */ |
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226 | |
202 | /* data associated with this coroutine (initial args) */ |
227 | AV *args; /* data associated with this coroutine (initial args) */ |
203 | AV *args; |
228 | int refcnt; /* coroutines are refcounted, yes */ |
204 | int refcnt; |
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205 | int flags; /* CF_ flags */ |
229 | int flags; /* CF_ flags */ |
206 | |
230 | HV *hv; /* the perl hash associated with this coro, if any */ |
207 | /* optionally saved, might be zero */ |
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208 | AV *defav; /* @_ */ |
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209 | SV *defsv; /* $_ */ |
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210 | SV *errsv; /* $@ */ |
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211 | SV *deffh; /* default filehandle */ |
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212 | SV *irssv; /* $/ */ |
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213 | SV *irssv_sv; /* real $/ cache */ |
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214 | |
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215 | #define VAR(name,type) type name; |
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216 | # include "state.h" |
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217 | #undef VAR |
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218 | |
231 | |
219 | /* statistics */ |
232 | /* statistics */ |
220 | int usecount; /* number of transfers to this coro */ |
233 | int usecount; /* number of transfers to this coro */ |
221 | |
234 | |
222 | /* coro process data */ |
235 | /* coro process data */ |
223 | int prio; |
236 | int prio; |
224 | SV *throw; |
237 | SV *throw; /* exception to be thrown */ |
225 | |
238 | |
226 | /* async_pool */ |
239 | /* async_pool */ |
227 | SV *saved_deffh; |
240 | SV *saved_deffh; |
228 | |
241 | |
229 | /* linked list */ |
242 | /* linked list */ |
230 | struct coro *next, *prev; |
243 | struct coro *next, *prev; |
231 | HV *hv; /* the perl hash associated with this coro, if any */ |
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232 | }; |
244 | }; |
233 | |
245 | |
234 | typedef struct coro *Coro__State; |
246 | typedef struct coro *Coro__State; |
235 | typedef struct coro *Coro__State_or_hashref; |
247 | typedef struct coro *Coro__State_or_hashref; |
236 | |
248 | |
… | |
… | |
248 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
260 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
249 | static int coro_nready; |
261 | static int coro_nready; |
250 | static struct coro *coro_first; |
262 | static struct coro *coro_first; |
251 | |
263 | |
252 | /** lowlevel stuff **********************************************************/ |
264 | /** lowlevel stuff **********************************************************/ |
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265 | |
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266 | static SV * |
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267 | coro_get_sv (const char *name, int create) |
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268 | { |
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269 | #if PERL_VERSION_ATLEAST (5,9,0) |
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270 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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271 | get_sv (name, create); |
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272 | #endif |
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273 | return get_sv (name, create); |
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274 | } |
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275 | |
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276 | static AV * |
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277 | coro_get_av (const char *name, int create) |
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278 | { |
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279 | #if PERL_VERSION_ATLEAST (5,9,0) |
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280 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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281 | get_av (name, create); |
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282 | #endif |
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283 | return get_av (name, create); |
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284 | } |
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285 | |
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286 | static HV * |
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287 | coro_get_hv (const char *name, int create) |
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288 | { |
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289 | #if PERL_VERSION_ATLEAST (5,9,0) |
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290 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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291 | get_hv (name, create); |
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292 | #endif |
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293 | return get_hv (name, create); |
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294 | } |
253 | |
295 | |
254 | static AV * |
296 | static AV * |
255 | coro_clone_padlist (pTHX_ CV *cv) |
297 | coro_clone_padlist (pTHX_ CV *cv) |
256 | { |
298 | { |
257 | AV *padlist = CvPADLIST (cv); |
299 | AV *padlist = CvPADLIST (cv); |
… | |
… | |
397 | /** load & save, init *******************************************************/ |
439 | /** load & save, init *******************************************************/ |
398 | |
440 | |
399 | static void |
441 | static void |
400 | load_perl (pTHX_ Coro__State c) |
442 | load_perl (pTHX_ Coro__State c) |
401 | { |
443 | { |
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444 | perl_slots *slot = c->slot; |
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445 | c->slot = 0; |
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446 | |
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447 | PL_mainstack = c->mainstack; |
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448 | |
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449 | GvSV (PL_defgv) = slot->defsv; |
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450 | GvAV (PL_defgv) = slot->defav; |
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451 | GvSV (PL_errgv) = slot->errsv; |
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452 | GvSV (irsgv) = slot->irsgv; |
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453 | |
402 | #define VAR(name,type) PL_ ## name = c->name; |
454 | #define VAR(name,type) PL_ ## name = slot->name; |
403 | # include "state.h" |
455 | # include "state.h" |
404 | #undef VAR |
456 | #undef VAR |
405 | |
457 | |
406 | GvSV (PL_defgv) = c->defsv; |
458 | /*hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);*/ |
407 | GvAV (PL_defgv) = c->defav; |
459 | /*hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);*/ |
408 | GvSV (PL_errgv) = c->errsv; |
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409 | GvSV (irsgv) = c->irssv_sv; |
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410 | |
460 | |
411 | { |
461 | { |
412 | dSP; |
462 | dSP; |
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463 | |
413 | CV *cv; |
464 | CV *cv; |
414 | |
465 | |
415 | /* now do the ugly restore mess */ |
466 | /* now do the ugly restore mess */ |
416 | while (expect_true (cv = (CV *)POPs)) |
467 | while (expect_true (cv = (CV *)POPs)) |
417 | { |
468 | { |
… | |
… | |
472 | } |
523 | } |
473 | |
524 | |
474 | PUTBACK; |
525 | PUTBACK; |
475 | } |
526 | } |
476 | |
527 | |
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528 | /* allocate some space on the context stack for our purposes */ |
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529 | /* we manually unroll here, as usually 2 slots is enough */ |
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530 | if (SLOT_COUNT >= 1) CXINC; |
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531 | if (SLOT_COUNT >= 2) CXINC; |
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532 | if (SLOT_COUNT >= 3) CXINC; |
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533 | { |
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534 | int i; |
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535 | for (i = 3; i < SLOT_COUNT; ++i) |
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536 | CXINC; |
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537 | } |
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538 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
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539 | |
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540 | c->mainstack = PL_mainstack; |
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541 | |
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542 | { |
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543 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
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544 | |
477 | c->defav = GvAV (PL_defgv); |
545 | slot->defav = GvAV (PL_defgv); |
478 | c->defsv = DEFSV; |
546 | slot->defsv = DEFSV; |
479 | c->errsv = ERRSV; |
547 | slot->errsv = ERRSV; |
480 | c->irssv_sv = GvSV (irsgv); |
548 | slot->irsgv = GvSV (irsgv); |
481 | |
549 | |
482 | #define VAR(name,type)c->name = PL_ ## name; |
550 | #define VAR(name,type) slot->name = PL_ ## name; |
483 | # include "state.h" |
551 | # include "state.h" |
484 | #undef VAR |
552 | #undef VAR |
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553 | } |
485 | } |
554 | } |
486 | |
555 | |
487 | /* |
556 | /* |
488 | * allocate various perl stacks. This is an exact copy |
557 | * allocate various perl stacks. This is an exact copy |
489 | * of perl.c:init_stacks, except that it uses less memory |
558 | * of perl.c:init_stacks, except that it uses less memory |
… | |
… | |
494 | # define coro_init_stacks init_stacks |
563 | # define coro_init_stacks init_stacks |
495 | #else |
564 | #else |
496 | static void |
565 | static void |
497 | coro_init_stacks (pTHX) |
566 | coro_init_stacks (pTHX) |
498 | { |
567 | { |
499 | PL_curstackinfo = new_stackinfo(64, 6); |
568 | PL_curstackinfo = new_stackinfo(32, 8); |
500 | PL_curstackinfo->si_type = PERLSI_MAIN; |
569 | PL_curstackinfo->si_type = PERLSI_MAIN; |
501 | PL_curstack = PL_curstackinfo->si_stack; |
570 | PL_curstack = PL_curstackinfo->si_stack; |
502 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
571 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
503 | |
572 | |
504 | PL_stack_base = AvARRAY(PL_curstack); |
573 | PL_stack_base = AvARRAY(PL_curstack); |
505 | PL_stack_sp = PL_stack_base; |
574 | PL_stack_sp = PL_stack_base; |
506 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
575 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
507 | |
576 | |
508 | New(50,PL_tmps_stack,64,SV*); |
577 | New(50,PL_tmps_stack,32,SV*); |
509 | PL_tmps_floor = -1; |
578 | PL_tmps_floor = -1; |
510 | PL_tmps_ix = -1; |
579 | PL_tmps_ix = -1; |
511 | PL_tmps_max = 64; |
580 | PL_tmps_max = 32; |
512 | |
581 | |
513 | New(54,PL_markstack,16,I32); |
582 | New(54,PL_markstack,16,I32); |
514 | PL_markstack_ptr = PL_markstack; |
583 | PL_markstack_ptr = PL_markstack; |
515 | PL_markstack_max = PL_markstack + 16; |
584 | PL_markstack_max = PL_markstack + 16; |
516 | |
585 | |
517 | #ifdef SET_MARK_OFFSET |
586 | #ifdef SET_MARK_OFFSET |
518 | SET_MARK_OFFSET; |
587 | SET_MARK_OFFSET; |
519 | #endif |
588 | #endif |
520 | |
589 | |
521 | New(54,PL_scopestack,16,I32); |
590 | New(54,PL_scopestack,8,I32); |
522 | PL_scopestack_ix = 0; |
591 | PL_scopestack_ix = 0; |
523 | PL_scopestack_max = 16; |
592 | PL_scopestack_max = 8; |
524 | |
593 | |
525 | New(54,PL_savestack,64,ANY); |
594 | New(54,PL_savestack,24,ANY); |
526 | PL_savestack_ix = 0; |
595 | PL_savestack_ix = 0; |
527 | PL_savestack_max = 64; |
596 | PL_savestack_max = 24; |
528 | |
597 | |
529 | #if !PERL_VERSION_ATLEAST (5,9,0) |
598 | #if !PERL_VERSION_ATLEAST (5,9,0) |
530 | New(54,PL_retstack,4,OP*); |
599 | New(54,PL_retstack,4,OP*); |
531 | PL_retstack_ix = 0; |
600 | PL_retstack_ix = 0; |
532 | PL_retstack_max = 4; |
601 | PL_retstack_max = 4; |
… | |
… | |
569 | { |
638 | { |
570 | size_t rss = sizeof (*coro); |
639 | size_t rss = sizeof (*coro); |
571 | |
640 | |
572 | if (coro->mainstack) |
641 | if (coro->mainstack) |
573 | { |
642 | { |
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643 | perl_slots tmp_slot; |
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644 | perl_slots *slot; |
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645 | |
574 | if (coro->flags & CF_RUNNING) |
646 | if (coro->flags & CF_RUNNING) |
575 | { |
647 | { |
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648 | slot = &tmp_slot; |
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649 | |
576 | #define VAR(name,type)coro->name = PL_ ## name; |
650 | #define VAR(name,type) slot->name = PL_ ## name; |
577 | # include "state.h" |
651 | # include "state.h" |
578 | #undef VAR |
652 | #undef VAR |
579 | } |
653 | } |
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654 | else |
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655 | slot = coro->slot; |
580 | |
656 | |
581 | rss += sizeof (coro->curstackinfo); |
657 | rss += sizeof (slot->curstackinfo); |
582 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); |
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583 | rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
658 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
584 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
659 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
585 | rss += coro->tmps_max * sizeof (SV *); |
660 | rss += slot->tmps_max * sizeof (SV *); |
586 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
661 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
587 | rss += coro->scopestack_max * sizeof (I32); |
662 | rss += slot->scopestack_max * sizeof (I32); |
588 | rss += coro->savestack_max * sizeof (ANY); |
663 | rss += slot->savestack_max * sizeof (ANY); |
589 | |
664 | |
590 | #if !PERL_VERSION_ATLEAST (5,9,0) |
665 | #if !PERL_VERSION_ATLEAST (5,9,0) |
591 | rss += coro->retstack_max * sizeof (OP *); |
666 | rss += slot->retstack_max * sizeof (OP *); |
592 | #endif |
667 | #endif |
593 | } |
668 | } |
594 | |
669 | |
595 | return rss; |
670 | return rss; |
596 | } |
671 | } |
… | |
… | |
612 | PL_curpm = 0; |
687 | PL_curpm = 0; |
613 | PL_curpad = 0; |
688 | PL_curpad = 0; |
614 | PL_localizing = 0; |
689 | PL_localizing = 0; |
615 | PL_dirty = 0; |
690 | PL_dirty = 0; |
616 | PL_restartop = 0; |
691 | PL_restartop = 0; |
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692 | PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); |
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693 | PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0); |
617 | |
694 | |
618 | GvSV (PL_defgv) = newSV (0); |
695 | GvSV (PL_defgv) = newSV (0); |
619 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
696 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
620 | GvSV (PL_errgv) = newSV (0); |
697 | GvSV (PL_errgv) = newSV (0); |
621 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
698 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
… | |
… | |
636 | PL_op = (OP *)&myop; |
713 | PL_op = (OP *)&myop; |
637 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
714 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
638 | SPAGAIN; |
715 | SPAGAIN; |
639 | } |
716 | } |
640 | |
717 | |
641 | ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */ |
718 | /* this newly created coroutine might be run on an existing cctx which most |
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719 | * likely was suspended in set_stacklevel, called from entersub. |
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720 | * set_stacklevl doesn't do anything on return, but entersub does LEAVE, |
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721 | * so we ENTER here for symmetry |
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722 | */ |
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723 | ENTER; |
642 | } |
724 | } |
643 | |
725 | |
644 | static void |
726 | static void |
645 | coro_destroy (pTHX_ struct coro *coro) |
727 | coro_destroy (pTHX_ struct coro *coro) |
646 | { |
728 | { |
… | |
… | |
666 | SvREFCNT_dec (GvSV (PL_errgv)); |
748 | SvREFCNT_dec (GvSV (PL_errgv)); |
667 | SvREFCNT_dec (PL_defoutgv); |
749 | SvREFCNT_dec (PL_defoutgv); |
668 | SvREFCNT_dec (PL_rs); |
750 | SvREFCNT_dec (PL_rs); |
669 | SvREFCNT_dec (GvSV (irsgv)); |
751 | SvREFCNT_dec (GvSV (irsgv)); |
670 | |
752 | |
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753 | SvREFCNT_dec (PL_diehook); |
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754 | SvREFCNT_dec (PL_warnhook); |
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755 | |
671 | SvREFCNT_dec (coro->saved_deffh); |
756 | SvREFCNT_dec (coro->saved_deffh); |
672 | SvREFCNT_dec (coro->throw); |
757 | SvREFCNT_dec (coro->throw); |
673 | |
758 | |
674 | coro_destroy_stacks (aTHX); |
759 | coro_destroy_stacks (aTHX); |
675 | } |
760 | } |
… | |
… | |
727 | PUSHMARK (SP); |
812 | PUSHMARK (SP); |
728 | PUSHs (&PL_sv_no); |
813 | PUSHs (&PL_sv_no); |
729 | PUSHs (fullname); |
814 | PUSHs (fullname); |
730 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
815 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
731 | PUTBACK; |
816 | PUTBACK; |
732 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
817 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); |
733 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
818 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
734 | SPAGAIN; |
819 | SPAGAIN; |
735 | FREETMPS; |
820 | FREETMPS; |
736 | LEAVE; |
821 | LEAVE; |
737 | PL_runops = runops_trace; |
822 | PL_runops = runops_trace; |
… | |
… | |
766 | PUSHMARK (SP); |
851 | PUSHMARK (SP); |
767 | PUSHs (&PL_sv_yes); |
852 | PUSHs (&PL_sv_yes); |
768 | PUSHs (fullname); |
853 | PUSHs (fullname); |
769 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
854 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
770 | PUTBACK; |
855 | PUTBACK; |
771 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
856 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); |
772 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
857 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
773 | SPAGAIN; |
858 | SPAGAIN; |
774 | FREETMPS; |
859 | FREETMPS; |
775 | LEAVE; |
860 | LEAVE; |
776 | PL_runops = runops_trace; |
861 | PL_runops = runops_trace; |
… | |
… | |
790 | PL_runops = RUNOPS_DEFAULT; |
875 | PL_runops = RUNOPS_DEFAULT; |
791 | PUSHMARK (SP); |
876 | PUSHMARK (SP); |
792 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
877 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
793 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
878 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
794 | PUTBACK; |
879 | PUTBACK; |
795 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
880 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0); |
796 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
881 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
797 | SPAGAIN; |
882 | SPAGAIN; |
798 | FREETMPS; |
883 | FREETMPS; |
799 | LEAVE; |
884 | LEAVE; |
800 | PL_runops = runops_trace; |
885 | PL_runops = runops_trace; |
… | |
… | |
810 | |
895 | |
811 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
896 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
812 | /* _cctx_init should be careful, as it could be called at almost any time */ |
897 | /* _cctx_init should be careful, as it could be called at almost any time */ |
813 | /* during execution of a perl program */ |
898 | /* during execution of a perl program */ |
814 | static void NOINLINE |
899 | static void NOINLINE |
815 | prepare_cctx (pTHX_ coro_cctx *cctx) |
900 | cctx_prepare (pTHX_ coro_cctx *cctx) |
816 | { |
901 | { |
817 | dSP; |
902 | dSP; |
818 | LOGOP myop; |
903 | LOGOP myop; |
819 | |
904 | |
820 | PL_top_env = &PL_start_env; |
905 | PL_top_env = &PL_start_env; |
… | |
… | |
838 | |
923 | |
839 | /* |
924 | /* |
840 | * this is a _very_ stripped down perl interpreter ;) |
925 | * this is a _very_ stripped down perl interpreter ;) |
841 | */ |
926 | */ |
842 | static void |
927 | static void |
843 | coro_run (void *arg) |
928 | cctx_run (void *arg) |
844 | { |
929 | { |
845 | dTHX; |
930 | dTHX; |
846 | |
931 | |
847 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
932 | /* cctx_run is the alternative tail of transfer(), so unlock here. */ |
848 | UNLOCK; |
933 | UNLOCK; |
849 | |
934 | |
850 | /* we now skip the entersub that lead to transfer() */ |
935 | /* we now skip the entersub that lead to transfer() */ |
851 | PL_op = PL_op->op_next; |
936 | PL_op = PL_op->op_next; |
852 | |
937 | |
853 | /* inject a fake subroutine call to cctx_init */ |
938 | /* inject a fake subroutine call to cctx_init */ |
854 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
939 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
855 | |
940 | |
856 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
941 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
857 | PL_restartop = PL_op; |
942 | PL_restartop = PL_op; |
858 | perl_run (PL_curinterp); |
943 | perl_run (PL_curinterp); |
859 | |
944 | |
… | |
… | |
878 | ++cctx_count; |
963 | ++cctx_count; |
879 | |
964 | |
880 | Newz (0, cctx, 1, coro_cctx); |
965 | Newz (0, cctx, 1, coro_cctx); |
881 | |
966 | |
882 | #if HAVE_MMAP |
967 | #if HAVE_MMAP |
883 | |
|
|
884 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
968 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
885 | /* mmap supposedly does allocate-on-write for us */ |
969 | /* mmap supposedly does allocate-on-write for us */ |
886 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
970 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
887 | |
971 | |
888 | if (cctx->sptr != (void *)-1) |
972 | if (cctx->sptr != (void *)-1) |
… | |
… | |
909 | stack_start = cctx->sptr; |
993 | stack_start = cctx->sptr; |
910 | stack_size = cctx->ssize; |
994 | stack_size = cctx->ssize; |
911 | } |
995 | } |
912 | |
996 | |
913 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
997 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
914 | coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size); |
998 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
915 | |
999 | |
916 | return cctx; |
1000 | return cctx; |
917 | } |
1001 | } |
918 | |
1002 | |
919 | static void |
1003 | static void |
… | |
… | |
991 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1075 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
992 | |
1076 | |
993 | if (expect_false (next->flags & CF_DESTROYED)) |
1077 | if (expect_false (next->flags & CF_DESTROYED)) |
994 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1078 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
995 | |
1079 | |
|
|
1080 | if ( |
|
|
1081 | #if PERL_VERSION_ATLEAST (5,9,0) |
|
|
1082 | expect_false (PL_parser) |
|
|
1083 | #else |
996 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1084 | expect_false (PL_lex_state != LEX_NOTPARSING) |
|
|
1085 | #endif |
|
|
1086 | ) |
997 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
1087 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
998 | } |
1088 | } |
999 | } |
1089 | } |
1000 | |
1090 | |
1001 | /* always use the TRANSFER macro */ |
1091 | /* always use the TRANSFER macro */ |
… | |
… | |
1054 | prev->cctx = 0; |
1144 | prev->cctx = 0; |
1055 | |
1145 | |
1056 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1146 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1057 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1147 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1058 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1148 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
|
|
1149 | if (!next->cctx) |
1059 | next->cctx = cctx_get (aTHX); |
1150 | next->cctx = cctx_get (aTHX); |
1060 | |
1151 | |
1061 | cctx_put (prev__cctx); |
1152 | cctx_put (prev__cctx); |
1062 | } |
1153 | } |
1063 | |
1154 | |
1064 | ++next->usecount; |
1155 | ++next->usecount; |
… | |
… | |
1130 | save_perl (aTHX_ &temp); |
1221 | save_perl (aTHX_ &temp); |
1131 | load_perl (aTHX_ coro); |
1222 | load_perl (aTHX_ coro); |
1132 | |
1223 | |
1133 | coro_destroy (aTHX_ coro); |
1224 | coro_destroy (aTHX_ coro); |
1134 | |
1225 | |
1135 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
1226 | load_perl (aTHX_ &temp); |
1136 | |
1227 | |
1137 | coro->mainstack = 0; |
1228 | coro->slot = 0; |
1138 | } |
1229 | } |
1139 | |
1230 | |
1140 | cctx_destroy (coro->cctx); |
1231 | cctx_destroy (coro->cctx); |
1141 | SvREFCNT_dec (coro->args); |
1232 | SvREFCNT_dec (coro->args); |
1142 | |
1233 | |
… | |
… | |
1399 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
1490 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
1400 | |
1491 | |
1401 | if (coro->flags & CF_RUNNING) |
1492 | if (coro->flags & CF_RUNNING) |
1402 | PL_runops = RUNOPS_DEFAULT; |
1493 | PL_runops = RUNOPS_DEFAULT; |
1403 | else |
1494 | else |
1404 | coro->runops = RUNOPS_DEFAULT; |
1495 | coro->slot->runops = RUNOPS_DEFAULT; |
1405 | } |
1496 | } |
1406 | } |
1497 | } |
1407 | |
1498 | |
1408 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1499 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1409 | |
1500 | |
… | |
… | |
1416 | #endif |
1507 | #endif |
1417 | BOOT_PAGESIZE; |
1508 | BOOT_PAGESIZE; |
1418 | |
1509 | |
1419 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1510 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1420 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
1511 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
|
|
1512 | |
|
|
1513 | hv_sig = coro_get_hv ("SIG", TRUE); |
|
|
1514 | sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE); |
|
|
1515 | sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE); |
|
|
1516 | |
|
|
1517 | if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); |
|
|
1518 | if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0); |
1421 | |
1519 | |
1422 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1520 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1423 | |
1521 | |
1424 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1522 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1425 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1523 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
… | |
… | |
1431 | |
1529 | |
1432 | while (main_top_env->je_prev) |
1530 | while (main_top_env->je_prev) |
1433 | main_top_env = main_top_env->je_prev; |
1531 | main_top_env = main_top_env->je_prev; |
1434 | |
1532 | |
1435 | coroapi.ver = CORO_API_VERSION; |
1533 | coroapi.ver = CORO_API_VERSION; |
|
|
1534 | coroapi.rev = CORO_API_REVISION; |
1436 | coroapi.transfer = api_transfer; |
1535 | coroapi.transfer = api_transfer; |
1437 | |
1536 | |
1438 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1537 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1439 | } |
1538 | } |
1440 | |
1539 | |
… | |
… | |
1507 | |
1606 | |
1508 | break; |
1607 | break; |
1509 | } |
1608 | } |
1510 | |
1609 | |
1511 | BARRIER; |
1610 | BARRIER; |
|
|
1611 | PUTBACK; |
1512 | TRANSFER (ta); |
1612 | TRANSFER (ta); |
1513 | |
1613 | SPAGAIN; /* might be the sp of a different coroutine now */ |
1514 | if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev)) |
1614 | /* be extra careful not to ever do anything after TRANSFER */ |
1515 | XSRETURN_YES; |
|
|
1516 | } |
1615 | } |
1517 | |
1616 | |
1518 | bool |
1617 | bool |
1519 | _destroy (SV *coro_sv) |
1618 | _destroy (SV *coro_sv) |
1520 | CODE: |
1619 | CODE: |
… | |
… | |
1569 | CODE: |
1668 | CODE: |
1570 | { |
1669 | { |
1571 | if (coro->mainstack) |
1670 | if (coro->mainstack) |
1572 | { |
1671 | { |
1573 | struct coro temp; |
1672 | struct coro temp; |
1574 | Zero (&temp, 1, struct coro); |
|
|
1575 | |
1673 | |
1576 | if (!(coro->flags & CF_RUNNING)) |
1674 | if (!(coro->flags & CF_RUNNING)) |
1577 | { |
1675 | { |
1578 | save_perl (aTHX_ &temp); |
1676 | save_perl (aTHX_ &temp); |
1579 | load_perl (aTHX_ coro); |
1677 | load_perl (aTHX_ coro); |
… | |
… | |
1581 | |
1679 | |
1582 | { |
1680 | { |
1583 | dSP; |
1681 | dSP; |
1584 | ENTER; |
1682 | ENTER; |
1585 | SAVETMPS; |
1683 | SAVETMPS; |
|
|
1684 | PUTBACK; |
|
|
1685 | PUSHSTACK; |
1586 | PUSHMARK (SP); |
1686 | PUSHMARK (SP); |
1587 | PUTBACK; |
1687 | |
1588 | if (ix) |
1688 | if (ix) |
1589 | eval_sv (coderef, 0); |
1689 | eval_sv (coderef, 0); |
1590 | else |
1690 | else |
1591 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1691 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
1692 | |
|
|
1693 | POPSTACK; |
1592 | SPAGAIN; |
1694 | SPAGAIN; |
1593 | FREETMPS; |
1695 | FREETMPS; |
1594 | LEAVE; |
1696 | LEAVE; |
1595 | PUTBACK; |
1697 | PUTBACK; |
1596 | } |
1698 | } |
… | |
… | |
1654 | |
1756 | |
1655 | BOOT: |
1757 | BOOT: |
1656 | { |
1758 | { |
1657 | int i; |
1759 | int i; |
1658 | |
1760 | |
1659 | sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); |
1761 | sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE); |
1660 | sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); |
1762 | sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE); |
1661 | av_async_pool = get_av ("Coro::async_pool", TRUE); |
1763 | av_async_pool = coro_get_av ("Coro::async_pool", TRUE); |
1662 | |
1764 | |
1663 | coro_current = get_sv ("Coro::current", FALSE); |
1765 | coro_current = coro_get_sv ("Coro::current", FALSE); |
1664 | SvREADONLY_on (coro_current); |
1766 | SvREADONLY_on (coro_current); |
1665 | |
1767 | |
1666 | coro_stash = gv_stashpv ("Coro", TRUE); |
1768 | coro_stash = gv_stashpv ("Coro", TRUE); |
1667 | |
1769 | |
1668 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1770 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1669 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1771 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1670 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1772 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1671 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1773 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
… | |
… | |
1674 | |
1776 | |
1675 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1777 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1676 | coro_ready[i] = newAV (); |
1778 | coro_ready[i] = newAV (); |
1677 | |
1779 | |
1678 | { |
1780 | { |
1679 | SV *sv = perl_get_sv("Coro::API", 1); |
1781 | SV *sv = perl_get_sv ("Coro::API", TRUE); |
|
|
1782 | perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */ |
1680 | |
1783 | |
1681 | coroapi.schedule = api_schedule; |
1784 | coroapi.schedule = api_schedule; |
1682 | coroapi.cede = api_cede; |
1785 | coroapi.cede = api_cede; |
1683 | coroapi.cede_notself = api_cede_notself; |
1786 | coroapi.cede_notself = api_cede_notself; |
1684 | coroapi.ready = api_ready; |
1787 | coroapi.ready = api_ready; |
… | |
… | |
1750 | CODE: |
1853 | CODE: |
1751 | { |
1854 | { |
1752 | struct coro *coro = SvSTATE (coro_current); |
1855 | struct coro *coro = SvSTATE (coro_current); |
1753 | HV *hv = (HV *)SvRV (coro_current); |
1856 | HV *hv = (HV *)SvRV (coro_current); |
1754 | AV *defav = GvAV (PL_defgv); |
1857 | AV *defav = GvAV (PL_defgv); |
1755 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1858 | SV *invoke = hv_delete (hv, strpair ("_invoke"), 0); |
1756 | AV *invoke_av; |
1859 | AV *invoke_av; |
1757 | int i, len; |
1860 | int i, len; |
1758 | |
1861 | |
1759 | if (!invoke) |
1862 | if (!invoke) |
1760 | croak ("\3async_pool terminate\2\n"); |
1863 | croak ("\3async_pool terminate\2\n"); |
1761 | |
1864 | |
1762 | SvREFCNT_dec (coro->saved_deffh); |
1865 | SvREFCNT_dec (coro->saved_deffh); |
1763 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
1866 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
1764 | |
1867 | |
1765 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1868 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1766 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
1869 | newSVpvn (strpair ("[async_pool]")), 0); |
1767 | |
1870 | |
1768 | invoke_av = (AV *)SvRV (invoke); |
1871 | invoke_av = (AV *)SvRV (invoke); |
1769 | len = av_len (invoke_av); |
1872 | len = av_len (invoke_av); |
1770 | |
1873 | |
1771 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
1874 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
… | |
… | |
1794 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1897 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1795 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1898 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1796 | croak ("\3async_pool terminate\2\n"); |
1899 | croak ("\3async_pool terminate\2\n"); |
1797 | |
1900 | |
1798 | av_clear (GvAV (PL_defgv)); |
1901 | av_clear (GvAV (PL_defgv)); |
1799 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1902 | hv_store ((HV *)SvRV (coro_current), strpair ("desc"), |
1800 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1903 | newSVpvn (strpair ("[async_pool idle]")), 0); |
1801 | |
1904 | |
1802 | coro->prio = 0; |
1905 | coro->prio = 0; |
1803 | |
1906 | |
1804 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
1907 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
1805 | api_trace (coro_current, 0); |
1908 | api_trace (coro_current, 0); |