… | |
… | |
88 | /* prefer perl internal functions over our own? */ |
88 | /* prefer perl internal functions over our own? */ |
89 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
89 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
90 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
90 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
91 | #endif |
91 | #endif |
92 | |
92 | |
93 | /* The next macro should declare a variable stacklevel that contains and approximation |
93 | /* The next macros try to return the current stack pointer, in an as |
94 | * to the current C stack pointer. Its property is that it changes with each call |
94 | * portable way as possible. */ |
95 | * and should be unique. */ |
|
|
96 | #define dSTACKLEVEL int stacklevel |
95 | #define dSTACKLEVEL volatile char stacklevel |
97 | #define STACKLEVEL ((void *)&stacklevel) |
96 | #define STACKLEVEL ((void *)&stacklevel) |
98 | |
97 | |
99 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
98 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
100 | |
99 | |
101 | #if __GNUC__ >= 3 |
100 | #if __GNUC__ >= 3 |
… | |
… | |
133 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
132 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
134 | static JMPENV *main_top_env; |
133 | static JMPENV *main_top_env; |
135 | static HV *coro_state_stash, *coro_stash; |
134 | static HV *coro_state_stash, *coro_stash; |
136 | static SV *coro_mortal; /* will be freed after next transfer */ |
135 | static SV *coro_mortal; /* will be freed after next transfer */ |
137 | |
136 | |
|
|
137 | static GV *irsgv; /* $/ */ |
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138 | |
|
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139 | /* async_pool helper stuff */ |
|
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140 | static SV *sv_pool_rss; |
|
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141 | static SV *sv_pool_size; |
|
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142 | static AV *av_async_pool; |
|
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143 | |
138 | static struct coro_cctx *cctx_first; |
144 | static struct coro_cctx *cctx_first; |
139 | static int cctx_count, cctx_idle; |
145 | static int cctx_count, cctx_idle; |
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146 | |
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147 | enum { |
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148 | CC_MAPPED = 0x01, |
|
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149 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
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150 | CC_TRACE = 0x04, |
|
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151 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
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152 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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153 | CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE, |
|
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154 | }; |
140 | |
155 | |
141 | /* this is a structure representing a c-level coroutine */ |
156 | /* this is a structure representing a c-level coroutine */ |
142 | typedef struct coro_cctx { |
157 | typedef struct coro_cctx { |
143 | struct coro_cctx *next; |
158 | struct coro_cctx *next; |
144 | |
159 | |
… | |
… | |
153 | coro_context cctx; |
168 | coro_context cctx; |
154 | |
169 | |
155 | #if CORO_USE_VALGRIND |
170 | #if CORO_USE_VALGRIND |
156 | int valgrind_id; |
171 | int valgrind_id; |
157 | #endif |
172 | #endif |
158 | char inuse, mapped; |
173 | unsigned char flags; |
159 | } coro_cctx; |
174 | } coro_cctx; |
160 | |
175 | |
161 | enum { |
176 | enum { |
162 | CF_RUNNING = 0x0001, /* coroutine is running */ |
177 | CF_RUNNING = 0x0001, /* coroutine is running */ |
163 | CF_READY = 0x0002, /* coroutine is ready */ |
178 | CF_READY = 0x0002, /* coroutine is ready */ |
… | |
… | |
171 | coro_cctx *cctx; |
186 | coro_cctx *cctx; |
172 | |
187 | |
173 | /* data associated with this coroutine (initial args) */ |
188 | /* data associated with this coroutine (initial args) */ |
174 | AV *args; |
189 | AV *args; |
175 | int refcnt; |
190 | int refcnt; |
176 | int save; /* CORO_SAVE flags */ |
|
|
177 | int flags; /* CF_ flags */ |
191 | int flags; /* CF_ flags */ |
178 | |
192 | |
179 | /* optionally saved, might be zero */ |
193 | /* optionally saved, might be zero */ |
180 | AV *defav; /* @_ */ |
194 | AV *defav; /* @_ */ |
181 | SV *defsv; /* $_ */ |
195 | SV *defsv; /* $_ */ |
182 | SV *errsv; /* $@ */ |
196 | SV *errsv; /* $@ */ |
183 | GV *deffh; /* default filehandle */ |
197 | SV *deffh; /* default filehandle */ |
184 | SV *irssv; /* $/ */ |
198 | SV *irssv; /* $/ */ |
185 | SV *irssv_sv; /* real $/ cache */ |
199 | SV *irssv_sv; /* real $/ cache */ |
186 | |
200 | |
187 | #define VAR(name,type) type name; |
201 | #define VAR(name,type) type name; |
188 | # include "state.h" |
202 | # include "state.h" |
189 | #undef VAR |
203 | #undef VAR |
190 | |
204 | |
|
|
205 | /* statistics */ |
|
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206 | int usecount; /* number of transfers to this coro */ |
|
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207 | |
191 | /* coro process data */ |
208 | /* coro process data */ |
192 | int prio; |
209 | int prio; |
|
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210 | //SV *throw; |
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211 | |
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212 | /* async_pool */ |
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213 | SV *saved_deffh; |
193 | |
214 | |
194 | /* linked list */ |
215 | /* linked list */ |
195 | struct coro *next, *prev; |
216 | struct coro *next, *prev; |
196 | HV *hv; /* the perl hash associated with this coro, if any */ |
217 | HV *hv; /* the perl hash associated with this coro, if any */ |
197 | }; |
218 | }; |
… | |
… | |
210 | |
231 | |
211 | /* for Coro.pm */ |
232 | /* for Coro.pm */ |
212 | static SV *coro_current; |
233 | static SV *coro_current; |
213 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
234 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
214 | static int coro_nready; |
235 | static int coro_nready; |
215 | static struct coro *first; |
236 | static struct coro *coro_first; |
216 | |
237 | |
217 | /** lowlevel stuff **********************************************************/ |
238 | /** lowlevel stuff **********************************************************/ |
218 | |
239 | |
219 | static AV * |
240 | static AV * |
220 | coro_clone_padlist (pTHX_ CV *cv) |
241 | coro_clone_padlist (pTHX_ CV *cv) |
… | |
… | |
285 | SvMAGIC (cv) \ |
306 | SvMAGIC (cv) \ |
286 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
307 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
287 | ? SvMAGIC (cv) \ |
308 | ? SvMAGIC (cv) \ |
288 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
309 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
289 | : 0 |
310 | : 0 |
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311 | |
|
|
312 | static struct coro * |
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313 | SvSTATE_ (pTHX_ SV *coro) |
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314 | { |
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315 | HV *stash; |
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316 | MAGIC *mg; |
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317 | |
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318 | if (SvROK (coro)) |
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319 | coro = SvRV (coro); |
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320 | |
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321 | if (SvTYPE (coro) != SVt_PVHV) |
|
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322 | croak ("Coro::State object required"); |
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323 | |
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324 | stash = SvSTASH (coro); |
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325 | if (stash != coro_stash && stash != coro_state_stash) |
|
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326 | { |
|
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327 | /* very slow, but rare, check */ |
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328 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
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329 | croak ("Coro::State object required"); |
|
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330 | } |
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331 | |
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332 | mg = CORO_MAGIC (coro); |
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333 | return (struct coro *)mg->mg_ptr; |
|
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334 | } |
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335 | |
|
|
336 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
290 | |
337 | |
291 | /* the next two functions merely cache the padlists */ |
338 | /* the next two functions merely cache the padlists */ |
292 | static void |
339 | static void |
293 | get_padlist (pTHX_ CV *cv) |
340 | get_padlist (pTHX_ CV *cv) |
294 | { |
341 | { |
… | |
… | |
333 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
380 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
334 | } |
381 | } |
335 | |
382 | |
336 | /** load & save, init *******************************************************/ |
383 | /** load & save, init *******************************************************/ |
337 | |
384 | |
338 | #define SB do { |
|
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339 | #define SE } while (0) |
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340 | |
|
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341 | #define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE |
|
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342 | |
|
|
343 | static void |
385 | static void |
344 | load_perl (pTHX_ Coro__State c) |
386 | load_perl (pTHX_ Coro__State c) |
345 | { |
387 | { |
346 | #define VAR(name,type) PL_ ## name = c->name; |
388 | #define VAR(name,type) PL_ ## name = c->name; |
347 | # include "state.h" |
389 | # include "state.h" |
348 | #undef VAR |
390 | #undef VAR |
349 | |
391 | |
350 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
392 | GvSV (PL_defgv) = c->defsv; |
351 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
393 | GvAV (PL_defgv) = c->defav; |
352 | if (c->errsv) REPLACE_SV (ERRSV , c->errsv); |
394 | GvSV (PL_errgv) = c->errsv; |
353 | if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh); |
395 | GvSV (irsgv) = c->irssv_sv; |
354 | |
|
|
355 | if (c->irssv) |
|
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356 | { |
|
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357 | if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv)) |
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358 | { |
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359 | SvREFCNT_dec (c->irssv); |
|
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360 | c->irssv = 0; |
|
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361 | } |
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362 | else |
|
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363 | { |
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364 | REPLACE_SV (PL_rs, c->irssv); |
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365 | if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0); |
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366 | sv_setsv (c->irssv_sv, PL_rs); |
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367 | } |
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368 | } |
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369 | |
396 | |
370 | { |
397 | { |
371 | dSP; |
398 | dSP; |
372 | CV *cv; |
399 | CV *cv; |
373 | |
400 | |
… | |
… | |
395 | /* |
422 | /* |
396 | * the worst thing you can imagine happens first - we have to save |
423 | * the worst thing you can imagine happens first - we have to save |
397 | * (and reinitialize) all cv's in the whole callchain :( |
424 | * (and reinitialize) all cv's in the whole callchain :( |
398 | */ |
425 | */ |
399 | |
426 | |
400 | EXTEND (SP, 3 + 1); |
|
|
401 | PUSHs (Nullsv); |
427 | XPUSHs (Nullsv); |
402 | /* this loop was inspired by pp_caller */ |
428 | /* this loop was inspired by pp_caller */ |
403 | for (;;) |
429 | for (;;) |
404 | { |
430 | { |
405 | while (cxix >= 0) |
431 | while (cxix >= 0) |
406 | { |
432 | { |
… | |
… | |
425 | |
451 | |
426 | if (top_si->si_type == PERLSI_MAIN) |
452 | if (top_si->si_type == PERLSI_MAIN) |
427 | break; |
453 | break; |
428 | |
454 | |
429 | top_si = top_si->si_prev; |
455 | top_si = top_si->si_prev; |
430 | ccstk = top_si->si_cxstack; |
456 | ccstk = top_si->si_cxstack; |
431 | cxix = top_si->si_cxix; |
457 | cxix = top_si->si_cxix; |
432 | } |
458 | } |
433 | |
459 | |
434 | PUTBACK; |
460 | PUTBACK; |
435 | } |
461 | } |
436 | |
462 | |
437 | c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; |
463 | c->defav = GvAV (PL_defgv); |
438 | c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; |
464 | c->defsv = DEFSV; |
439 | c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; |
465 | c->errsv = ERRSV; |
440 | c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0; |
466 | c->irssv_sv = GvSV (irsgv); |
441 | c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; |
|
|
442 | |
467 | |
443 | #define VAR(name,type)c->name = PL_ ## name; |
468 | #define VAR(name,type)c->name = PL_ ## name; |
444 | # include "state.h" |
469 | # include "state.h" |
445 | #undef VAR |
470 | #undef VAR |
446 | } |
471 | } |
… | |
… | |
455 | # define coro_init_stacks init_stacks |
480 | # define coro_init_stacks init_stacks |
456 | #else |
481 | #else |
457 | static void |
482 | static void |
458 | coro_init_stacks (pTHX) |
483 | coro_init_stacks (pTHX) |
459 | { |
484 | { |
460 | PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT)); |
485 | PL_curstackinfo = new_stackinfo(64, 6); |
461 | PL_curstackinfo->si_type = PERLSI_MAIN; |
486 | PL_curstackinfo->si_type = PERLSI_MAIN; |
462 | PL_curstack = PL_curstackinfo->si_stack; |
487 | PL_curstack = PL_curstackinfo->si_stack; |
463 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
488 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
464 | |
489 | |
465 | PL_stack_base = AvARRAY(PL_curstack); |
490 | PL_stack_base = AvARRAY(PL_curstack); |
466 | PL_stack_sp = PL_stack_base; |
491 | PL_stack_sp = PL_stack_base; |
467 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
492 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
468 | |
493 | |
469 | New(50,PL_tmps_stack,128,SV*); |
494 | New(50,PL_tmps_stack,64,SV*); |
470 | PL_tmps_floor = -1; |
495 | PL_tmps_floor = -1; |
471 | PL_tmps_ix = -1; |
496 | PL_tmps_ix = -1; |
472 | PL_tmps_max = 128; |
497 | PL_tmps_max = 64; |
473 | |
498 | |
474 | New(54,PL_markstack,32,I32); |
499 | New(54,PL_markstack,16,I32); |
475 | PL_markstack_ptr = PL_markstack; |
500 | PL_markstack_ptr = PL_markstack; |
476 | PL_markstack_max = PL_markstack + 32; |
501 | PL_markstack_max = PL_markstack + 16; |
477 | |
502 | |
478 | #ifdef SET_MARK_OFFSET |
503 | #ifdef SET_MARK_OFFSET |
479 | SET_MARK_OFFSET; |
504 | SET_MARK_OFFSET; |
480 | #endif |
505 | #endif |
481 | |
506 | |
482 | New(54,PL_scopestack,32,I32); |
507 | New(54,PL_scopestack,16,I32); |
483 | PL_scopestack_ix = 0; |
508 | PL_scopestack_ix = 0; |
484 | PL_scopestack_max = 32; |
509 | PL_scopestack_max = 16; |
485 | |
510 | |
486 | New(54,PL_savestack,64,ANY); |
511 | New(54,PL_savestack,64,ANY); |
487 | PL_savestack_ix = 0; |
512 | PL_savestack_ix = 0; |
488 | PL_savestack_max = 64; |
513 | PL_savestack_max = 64; |
489 | |
514 | |
490 | #if !PERL_VERSION_ATLEAST (5,9,0) |
515 | #if !PERL_VERSION_ATLEAST (5,9,0) |
491 | New(54,PL_retstack,16,OP*); |
516 | New(54,PL_retstack,4,OP*); |
492 | PL_retstack_ix = 0; |
517 | PL_retstack_ix = 0; |
493 | PL_retstack_max = 16; |
518 | PL_retstack_max = 4; |
494 | #endif |
519 | #endif |
495 | } |
520 | } |
496 | #endif |
521 | #endif |
497 | |
522 | |
498 | /* |
523 | /* |
499 | * destroy the stacks, the callchain etc... |
524 | * destroy the stacks, the callchain etc... |
500 | */ |
525 | */ |
501 | static void |
526 | static void |
502 | coro_destroy_stacks (pTHX) |
527 | coro_destroy_stacks (pTHX) |
503 | { |
528 | { |
504 | if (!IN_DESTRUCT) |
|
|
505 | { |
|
|
506 | /* restore all saved variables and stuff */ |
|
|
507 | LEAVE_SCOPE (0); |
|
|
508 | assert (PL_tmps_floor == -1); |
|
|
509 | |
|
|
510 | /* free all temporaries */ |
|
|
511 | FREETMPS; |
|
|
512 | assert (PL_tmps_ix == -1); |
|
|
513 | |
|
|
514 | /* unwind all extra stacks */ |
|
|
515 | POPSTACK_TO (PL_mainstack); |
|
|
516 | |
|
|
517 | /* unwind main stack */ |
|
|
518 | dounwind (-1); |
|
|
519 | } |
|
|
520 | |
|
|
521 | while (PL_curstackinfo->si_next) |
529 | while (PL_curstackinfo->si_next) |
522 | PL_curstackinfo = PL_curstackinfo->si_next; |
530 | PL_curstackinfo = PL_curstackinfo->si_next; |
523 | |
531 | |
524 | while (PL_curstackinfo) |
532 | while (PL_curstackinfo) |
525 | { |
533 | { |
… | |
… | |
540 | #if !PERL_VERSION_ATLEAST (5,9,0) |
548 | #if !PERL_VERSION_ATLEAST (5,9,0) |
541 | Safefree (PL_retstack); |
549 | Safefree (PL_retstack); |
542 | #endif |
550 | #endif |
543 | } |
551 | } |
544 | |
552 | |
|
|
553 | static size_t |
|
|
554 | coro_rss (pTHX_ struct coro *coro) |
|
|
555 | { |
|
|
556 | size_t rss = sizeof (*coro); |
|
|
557 | |
|
|
558 | if (coro->mainstack) |
|
|
559 | { |
|
|
560 | if (coro->flags & CF_RUNNING) |
|
|
561 | { |
|
|
562 | #define VAR(name,type)coro->name = PL_ ## name; |
|
|
563 | # include "state.h" |
|
|
564 | #undef VAR |
|
|
565 | } |
|
|
566 | |
|
|
567 | rss += sizeof (coro->curstackinfo); |
|
|
568 | rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); |
|
|
569 | rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
|
|
570 | rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
|
|
571 | rss += coro->tmps_max * sizeof (SV *); |
|
|
572 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
|
|
573 | rss += coro->scopestack_max * sizeof (I32); |
|
|
574 | rss += coro->savestack_max * sizeof (ANY); |
|
|
575 | |
|
|
576 | #if !PERL_VERSION_ATLEAST (5,9,0) |
|
|
577 | rss += coro->retstack_max * sizeof (OP *); |
|
|
578 | #endif |
|
|
579 | } |
|
|
580 | |
|
|
581 | return rss; |
|
|
582 | } |
|
|
583 | |
545 | /** coroutine stack handling ************************************************/ |
584 | /** coroutine stack handling ************************************************/ |
546 | |
585 | |
547 | static void |
586 | static void |
548 | setup_coro (pTHX_ struct coro *coro) |
587 | coro_setup (pTHX_ struct coro *coro) |
549 | { |
588 | { |
550 | /* |
589 | /* |
551 | * emulate part of the perl startup here. |
590 | * emulate part of the perl startup here. |
552 | */ |
591 | */ |
553 | coro_init_stacks (aTHX); |
592 | coro_init_stacks (aTHX); |
554 | |
593 | |
|
|
594 | PL_runops = RUNOPS_DEFAULT; |
555 | PL_curcop = &PL_compiling; |
595 | PL_curcop = &PL_compiling; |
556 | PL_in_eval = EVAL_NULL; |
596 | PL_in_eval = EVAL_NULL; |
557 | PL_comppad = 0; |
597 | PL_comppad = 0; |
558 | PL_curpm = 0; |
598 | PL_curpm = 0; |
559 | PL_localizing = 0; |
599 | PL_localizing = 0; |
560 | PL_dirty = 0; |
600 | PL_dirty = 0; |
561 | PL_restartop = 0; |
601 | PL_restartop = 0; |
|
|
602 | |
|
|
603 | GvSV (PL_defgv) = NEWSV (0, 0); |
|
|
604 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
605 | GvSV (PL_errgv) = NEWSV (0, 0); |
|
|
606 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
607 | PL_rs = newSVsv (GvSV (irsgv)); |
|
|
608 | |
|
|
609 | { |
|
|
610 | IO *io = newIO (); |
|
|
611 | PL_defoutgv = newGVgen ("Coro"); |
|
|
612 | GvIOp(PL_defoutgv) = io; |
|
|
613 | IoTYPE (io) = IoTYPE_WRONLY; |
|
|
614 | IoOFP (io) = IoIFP (io) = PerlIO_stdout (); |
|
|
615 | IoFLAGS (io) |= IOf_FLUSH; |
|
|
616 | } |
562 | |
617 | |
563 | { |
618 | { |
564 | dSP; |
619 | dSP; |
565 | LOGOP myop; |
620 | LOGOP myop; |
566 | |
|
|
567 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
568 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
569 | |
621 | |
570 | Zero (&myop, 1, LOGOP); |
622 | Zero (&myop, 1, LOGOP); |
571 | myop.op_next = Nullop; |
623 | myop.op_next = Nullop; |
572 | myop.op_flags = OPf_WANT_VOID; |
624 | myop.op_flags = OPf_WANT_VOID; |
573 | |
625 | |
… | |
… | |
581 | |
633 | |
582 | ENTER; /* necessary e.g. for dounwind */ |
634 | ENTER; /* necessary e.g. for dounwind */ |
583 | } |
635 | } |
584 | |
636 | |
585 | static void |
637 | static void |
|
|
638 | coro_destroy (pTHX_ struct coro *coro) |
|
|
639 | { |
|
|
640 | if (!IN_DESTRUCT) |
|
|
641 | { |
|
|
642 | /* restore all saved variables and stuff */ |
|
|
643 | LEAVE_SCOPE (0); |
|
|
644 | assert (PL_tmps_floor == -1); |
|
|
645 | |
|
|
646 | /* free all temporaries */ |
|
|
647 | FREETMPS; |
|
|
648 | assert (PL_tmps_ix == -1); |
|
|
649 | |
|
|
650 | /* unwind all extra stacks */ |
|
|
651 | POPSTACK_TO (PL_mainstack); |
|
|
652 | |
|
|
653 | /* unwind main stack */ |
|
|
654 | dounwind (-1); |
|
|
655 | } |
|
|
656 | |
|
|
657 | SvREFCNT_dec (GvSV (PL_defgv)); |
|
|
658 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
659 | SvREFCNT_dec (GvSV (PL_errgv)); |
|
|
660 | SvREFCNT_dec (PL_defoutgv); |
|
|
661 | SvREFCNT_dec (PL_rs); |
|
|
662 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
663 | |
|
|
664 | SvREFCNT_dec (coro->saved_deffh); |
|
|
665 | //SvREFCNT_dec (coro->throw); |
|
|
666 | |
|
|
667 | coro_destroy_stacks (aTHX); |
|
|
668 | } |
|
|
669 | |
|
|
670 | static void |
586 | free_coro_mortal (pTHX) |
671 | free_coro_mortal (pTHX) |
587 | { |
672 | { |
588 | if (coro_mortal) |
673 | if (coro_mortal) |
589 | { |
674 | { |
590 | SvREFCNT_dec (coro_mortal); |
675 | SvREFCNT_dec (coro_mortal); |
591 | coro_mortal = 0; |
676 | coro_mortal = 0; |
592 | } |
677 | } |
|
|
678 | } |
|
|
679 | |
|
|
680 | static int |
|
|
681 | runops_trace (pTHX) |
|
|
682 | { |
|
|
683 | COP *oldcop = 0; |
|
|
684 | int oldcxix = -2; |
|
|
685 | struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */ |
|
|
686 | coro_cctx *cctx = coro->cctx; |
|
|
687 | |
|
|
688 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
|
|
689 | { |
|
|
690 | PERL_ASYNC_CHECK (); |
|
|
691 | |
|
|
692 | if (cctx->flags & CC_TRACE_ALL) |
|
|
693 | { |
|
|
694 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
|
|
695 | { |
|
|
696 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
697 | SV **bot, **top; |
|
|
698 | AV *av = newAV (); /* return values */ |
|
|
699 | SV **cb; |
|
|
700 | dSP; |
|
|
701 | |
|
|
702 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
703 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
704 | if (isGV (gv)) |
|
|
705 | gv_efullname3 (fullname, gv, 0); |
|
|
706 | |
|
|
707 | bot = PL_stack_base + cx->blk_oldsp + 1; |
|
|
708 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
|
|
709 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
|
|
710 | : bot; |
|
|
711 | |
|
|
712 | while (bot < top) |
|
|
713 | av_push (av, SvREFCNT_inc (*bot++)); |
|
|
714 | |
|
|
715 | PL_runops = RUNOPS_DEFAULT; |
|
|
716 | ENTER; |
|
|
717 | SAVETMPS; |
|
|
718 | EXTEND (SP, 3); |
|
|
719 | PUSHMARK (SP); |
|
|
720 | PUSHs (&PL_sv_no); |
|
|
721 | PUSHs (fullname); |
|
|
722 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
723 | PUTBACK; |
|
|
724 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
725 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
726 | SPAGAIN; |
|
|
727 | FREETMPS; |
|
|
728 | LEAVE; |
|
|
729 | PL_runops = runops_trace; |
|
|
730 | } |
|
|
731 | |
|
|
732 | if (oldcop != PL_curcop) |
|
|
733 | { |
|
|
734 | oldcop = PL_curcop; |
|
|
735 | |
|
|
736 | if (PL_curcop != &PL_compiling) |
|
|
737 | { |
|
|
738 | SV **cb; |
|
|
739 | |
|
|
740 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
|
|
741 | { |
|
|
742 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
743 | |
|
|
744 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
|
|
745 | { |
|
|
746 | runops_proc_t old_runops = PL_runops; |
|
|
747 | dSP; |
|
|
748 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
749 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
750 | |
|
|
751 | if (isGV (gv)) |
|
|
752 | gv_efullname3 (fullname, gv, 0); |
|
|
753 | |
|
|
754 | PL_runops = RUNOPS_DEFAULT; |
|
|
755 | ENTER; |
|
|
756 | SAVETMPS; |
|
|
757 | EXTEND (SP, 3); |
|
|
758 | PUSHMARK (SP); |
|
|
759 | PUSHs (&PL_sv_yes); |
|
|
760 | PUSHs (fullname); |
|
|
761 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
|
|
762 | PUTBACK; |
|
|
763 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
764 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
765 | SPAGAIN; |
|
|
766 | FREETMPS; |
|
|
767 | LEAVE; |
|
|
768 | PL_runops = runops_trace; |
|
|
769 | } |
|
|
770 | |
|
|
771 | oldcxix = cxstack_ix; |
|
|
772 | } |
|
|
773 | |
|
|
774 | if (cctx->flags & CC_TRACE_LINE) |
|
|
775 | { |
|
|
776 | dSP; |
|
|
777 | |
|
|
778 | PL_runops = RUNOPS_DEFAULT; |
|
|
779 | ENTER; |
|
|
780 | SAVETMPS; |
|
|
781 | EXTEND (SP, 3); |
|
|
782 | PL_runops = RUNOPS_DEFAULT; |
|
|
783 | PUSHMARK (SP); |
|
|
784 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
|
|
785 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
|
|
786 | PUTBACK; |
|
|
787 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
|
|
788 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
789 | SPAGAIN; |
|
|
790 | FREETMPS; |
|
|
791 | LEAVE; |
|
|
792 | PL_runops = runops_trace; |
|
|
793 | } |
|
|
794 | } |
|
|
795 | } |
|
|
796 | } |
|
|
797 | } |
|
|
798 | |
|
|
799 | TAINT_NOT; |
|
|
800 | return 0; |
593 | } |
801 | } |
594 | |
802 | |
595 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
803 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
596 | /* _cctx_init should be careful, as it could be called at almost any time */ |
804 | /* _cctx_init should be careful, as it could be called at almost any time */ |
597 | /* during execution of a perl program */ |
805 | /* during execution of a perl program */ |
598 | static void NOINLINE |
806 | static void NOINLINE |
599 | prepare_cctx (pTHX_ coro_cctx *cctx) |
807 | prepare_cctx (pTHX_ coro_cctx *cctx) |
600 | { |
808 | { |
601 | dSP; |
809 | dSP; |
602 | LOGOP myop; |
810 | LOGOP myop; |
|
|
811 | |
|
|
812 | PL_top_env = &PL_start_env; |
|
|
813 | |
|
|
814 | if (cctx->flags & CC_TRACE) |
|
|
815 | PL_runops = runops_trace; |
603 | |
816 | |
604 | Zero (&myop, 1, LOGOP); |
817 | Zero (&myop, 1, LOGOP); |
605 | myop.op_next = PL_op; |
818 | myop.op_next = PL_op; |
606 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
819 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
607 | |
820 | |
… | |
… | |
624 | dTHX; |
837 | dTHX; |
625 | |
838 | |
626 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
839 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
627 | UNLOCK; |
840 | UNLOCK; |
628 | |
841 | |
629 | PL_top_env = &PL_start_env; |
842 | /* we now skip the entersub that lead to transfer() */ |
|
|
843 | PL_op = PL_op->op_next; |
630 | |
844 | |
631 | /* inject a fake subroutine call to cctx_init */ |
845 | /* inject a fake subroutine call to cctx_init */ |
632 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
846 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
633 | |
847 | |
634 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
848 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
… | |
… | |
668 | # if CORO_STACKGUARD |
882 | # if CORO_STACKGUARD |
669 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
883 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
670 | # endif |
884 | # endif |
671 | stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
885 | stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
672 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
886 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
673 | cctx->mapped = 1; |
887 | cctx->flags |= CC_MAPPED; |
674 | } |
888 | } |
675 | else |
889 | else |
676 | #endif |
890 | #endif |
677 | { |
891 | { |
678 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
892 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
… | |
… | |
705 | #if CORO_USE_VALGRIND |
919 | #if CORO_USE_VALGRIND |
706 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
920 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
707 | #endif |
921 | #endif |
708 | |
922 | |
709 | #if HAVE_MMAP |
923 | #if HAVE_MMAP |
710 | if (cctx->mapped) |
924 | if (cctx->flags & CC_MAPPED) |
711 | munmap (cctx->sptr, cctx->ssize); |
925 | munmap (cctx->sptr, cctx->ssize); |
712 | else |
926 | else |
713 | #endif |
927 | #endif |
714 | Safefree (cctx->sptr); |
928 | Safefree (cctx->sptr); |
715 | |
929 | |
… | |
… | |
723 | { |
937 | { |
724 | coro_cctx *cctx = cctx_first; |
938 | coro_cctx *cctx = cctx_first; |
725 | cctx_first = cctx->next; |
939 | cctx_first = cctx->next; |
726 | --cctx_idle; |
940 | --cctx_idle; |
727 | |
941 | |
728 | if (cctx->ssize >= coro_stacksize) |
942 | if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE)) |
729 | return cctx; |
943 | return cctx; |
730 | |
944 | |
731 | cctx_destroy (cctx); |
945 | cctx_destroy (cctx); |
732 | } |
946 | } |
733 | |
947 | |
734 | PL_op = PL_op->op_next; |
|
|
735 | return cctx_new (); |
948 | return cctx_new (); |
736 | } |
949 | } |
737 | |
950 | |
738 | static void |
951 | static void |
739 | cctx_put (coro_cctx *cctx) |
952 | cctx_put (coro_cctx *cctx) |
… | |
… | |
743 | { |
956 | { |
744 | coro_cctx *first = cctx_first; |
957 | coro_cctx *first = cctx_first; |
745 | cctx_first = first->next; |
958 | cctx_first = first->next; |
746 | --cctx_idle; |
959 | --cctx_idle; |
747 | |
960 | |
748 | assert (!first->inuse); |
|
|
749 | cctx_destroy (first); |
961 | cctx_destroy (first); |
750 | } |
962 | } |
751 | |
963 | |
752 | ++cctx_idle; |
964 | ++cctx_idle; |
753 | cctx->next = cctx_first; |
965 | cctx->next = cctx_first; |
754 | cctx_first = cctx; |
966 | cctx_first = cctx; |
755 | } |
967 | } |
756 | |
968 | |
757 | /** coroutine switching *****************************************************/ |
969 | /** coroutine switching *****************************************************/ |
758 | |
970 | |
759 | /* never call directly, always through the coro_state_transfer global variable */ |
971 | static void NOINLINE |
|
|
972 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
|
|
973 | { |
|
|
974 | if (prev != next) |
|
|
975 | { |
|
|
976 | if (!(prev->flags & (CF_RUNNING | CF_NEW))) |
|
|
977 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
|
|
978 | |
|
|
979 | if (next->flags & CF_RUNNING) |
|
|
980 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
981 | |
|
|
982 | if (next->flags & CF_DESTROYED) |
|
|
983 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
984 | |
|
|
985 | if (PL_lex_state != LEX_NOTPARSING) |
|
|
986 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
|
|
987 | } |
|
|
988 | } |
|
|
989 | |
|
|
990 | /* always use the TRANSFER macro */ |
760 | static void NOINLINE |
991 | static void NOINLINE |
761 | transfer (pTHX_ struct coro *prev, struct coro *next) |
992 | transfer (pTHX_ struct coro *prev, struct coro *next) |
762 | { |
993 | { |
763 | dSTACKLEVEL; |
994 | dSTACKLEVEL; |
764 | |
995 | |
… | |
… | |
774 | |
1005 | |
775 | if (prev->flags & CF_NEW) |
1006 | if (prev->flags & CF_NEW) |
776 | { |
1007 | { |
777 | /* create a new empty context */ |
1008 | /* create a new empty context */ |
778 | Newz (0, prev->cctx, 1, coro_cctx); |
1009 | Newz (0, prev->cctx, 1, coro_cctx); |
779 | prev->cctx->inuse = 1; |
|
|
780 | prev->flags &= ~CF_NEW; |
1010 | prev->flags &= ~CF_NEW; |
781 | prev->flags |= CF_RUNNING; |
1011 | prev->flags |= CF_RUNNING; |
782 | } |
1012 | } |
783 | |
|
|
784 | /*TODO: must not croak here */ |
|
|
785 | if (!prev->flags & CF_RUNNING) |
|
|
786 | croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states"); |
|
|
787 | |
|
|
788 | if (next->flags & CF_RUNNING) |
|
|
789 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
790 | |
|
|
791 | if (next->flags & CF_DESTROYED) |
|
|
792 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
793 | |
1013 | |
794 | prev->flags &= ~CF_RUNNING; |
1014 | prev->flags &= ~CF_RUNNING; |
795 | next->flags |= CF_RUNNING; |
1015 | next->flags |= CF_RUNNING; |
796 | |
1016 | |
797 | LOCK; |
1017 | LOCK; |
… | |
… | |
801 | /* need to start coroutine */ |
1021 | /* need to start coroutine */ |
802 | next->flags &= ~CF_NEW; |
1022 | next->flags &= ~CF_NEW; |
803 | /* first get rid of the old state */ |
1023 | /* first get rid of the old state */ |
804 | save_perl (aTHX_ prev); |
1024 | save_perl (aTHX_ prev); |
805 | /* setup coroutine call */ |
1025 | /* setup coroutine call */ |
806 | setup_coro (aTHX_ next); |
1026 | coro_setup (aTHX_ next); |
807 | /* need a new stack */ |
|
|
808 | assert (!next->cctx); |
|
|
809 | } |
1027 | } |
810 | else |
1028 | else |
811 | { |
1029 | { |
812 | /* coroutine already started */ |
1030 | /* coroutine already started */ |
813 | save_perl (aTHX_ prev); |
1031 | save_perl (aTHX_ prev); |
… | |
… | |
815 | } |
1033 | } |
816 | |
1034 | |
817 | prev__cctx = prev->cctx; |
1035 | prev__cctx = prev->cctx; |
818 | |
1036 | |
819 | /* possibly "free" the cctx */ |
1037 | /* possibly "free" the cctx */ |
820 | if (prev__cctx->idle_sp == STACKLEVEL) |
1038 | if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)) |
821 | { |
1039 | { |
822 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1040 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
823 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1041 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
824 | |
1042 | |
825 | prev->cctx = 0; |
1043 | prev->cctx = 0; |
826 | |
1044 | |
827 | cctx_put (prev__cctx); |
1045 | cctx_put (prev__cctx); |
828 | prev__cctx->inuse = 0; |
|
|
829 | } |
1046 | } |
830 | |
1047 | |
|
|
1048 | ++next->usecount; |
|
|
1049 | |
831 | if (!next->cctx) |
1050 | if (!next->cctx) |
832 | { |
|
|
833 | next->cctx = cctx_get (aTHX); |
1051 | next->cctx = cctx_get (aTHX); |
834 | assert (!next->cctx->inuse); |
|
|
835 | next->cctx->inuse = 1; |
|
|
836 | } |
|
|
837 | |
1052 | |
838 | if (prev__cctx != next->cctx) |
1053 | if (prev__cctx != next->cctx) |
839 | { |
1054 | { |
840 | prev__cctx->top_env = PL_top_env; |
1055 | prev__cctx->top_env = PL_top_env; |
841 | PL_top_env = next->cctx->top_env; |
1056 | PL_top_env = next->cctx->top_env; |
… | |
… | |
851 | { |
1066 | { |
852 | struct coro *prev, *next; |
1067 | struct coro *prev, *next; |
853 | }; |
1068 | }; |
854 | |
1069 | |
855 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
1070 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
|
|
1071 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
856 | |
1072 | |
857 | /** high level stuff ********************************************************/ |
1073 | /** high level stuff ********************************************************/ |
858 | |
1074 | |
859 | static int |
1075 | static int |
860 | coro_state_destroy (pTHX_ struct coro *coro) |
1076 | coro_state_destroy (pTHX_ struct coro *coro) |
… | |
… | |
877 | |
1093 | |
878 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1094 | if (coro->mainstack && coro->mainstack != main_mainstack) |
879 | { |
1095 | { |
880 | struct coro temp; |
1096 | struct coro temp; |
881 | |
1097 | |
882 | assert (!(coro->flags & CF_RUNNING)); |
|
|
883 | |
|
|
884 | Zero (&temp, 1, struct coro); |
|
|
885 | temp.save = CORO_SAVE_ALL; |
|
|
886 | |
|
|
887 | if (coro->flags & CF_RUNNING) |
1098 | if (coro->flags & CF_RUNNING) |
888 | croak ("FATAL: tried to destroy currently running coroutine"); |
1099 | croak ("FATAL: tried to destroy currently running coroutine"); |
889 | |
1100 | |
890 | save_perl (aTHX_ &temp); |
1101 | save_perl (aTHX_ &temp); |
891 | load_perl (aTHX_ coro); |
1102 | load_perl (aTHX_ coro); |
892 | |
1103 | |
893 | coro_destroy_stacks (aTHX); |
1104 | coro_destroy (aTHX_ coro); |
894 | |
1105 | |
895 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
1106 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
896 | |
1107 | |
897 | coro->mainstack = 0; |
1108 | coro->mainstack = 0; |
898 | } |
1109 | } |
… | |
… | |
900 | cctx_destroy (coro->cctx); |
1111 | cctx_destroy (coro->cctx); |
901 | SvREFCNT_dec (coro->args); |
1112 | SvREFCNT_dec (coro->args); |
902 | |
1113 | |
903 | if (coro->next) coro->next->prev = coro->prev; |
1114 | if (coro->next) coro->next->prev = coro->prev; |
904 | if (coro->prev) coro->prev->next = coro->next; |
1115 | if (coro->prev) coro->prev->next = coro->next; |
905 | if (coro == first) first = coro->next; |
1116 | if (coro == coro_first) coro_first = coro->next; |
906 | |
1117 | |
907 | return 1; |
1118 | return 1; |
908 | } |
1119 | } |
909 | |
1120 | |
910 | static int |
1121 | static int |
… | |
… | |
943 | #else |
1154 | #else |
944 | # define MGf_DUP 0 |
1155 | # define MGf_DUP 0 |
945 | #endif |
1156 | #endif |
946 | }; |
1157 | }; |
947 | |
1158 | |
948 | static struct coro * |
|
|
949 | SvSTATE_ (pTHX_ SV *coro) |
|
|
950 | { |
|
|
951 | HV *stash; |
|
|
952 | MAGIC *mg; |
|
|
953 | |
|
|
954 | if (SvROK (coro)) |
|
|
955 | coro = SvRV (coro); |
|
|
956 | |
|
|
957 | stash = SvSTASH (coro); |
|
|
958 | if (stash != coro_stash && stash != coro_state_stash) |
|
|
959 | { |
|
|
960 | /* very slow, but rare, check */ |
|
|
961 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
962 | croak ("Coro::State object required"); |
|
|
963 | } |
|
|
964 | |
|
|
965 | mg = CORO_MAGIC (coro); |
|
|
966 | return (struct coro *)mg->mg_ptr; |
|
|
967 | } |
|
|
968 | |
|
|
969 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
970 | |
|
|
971 | static void |
1159 | static void |
972 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1160 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
973 | { |
1161 | { |
974 | ta->prev = SvSTATE (prev_sv); |
1162 | ta->prev = SvSTATE (prev_sv); |
975 | ta->next = SvSTATE (next_sv); |
1163 | ta->next = SvSTATE (next_sv); |
|
|
1164 | TRANSFER_CHECK (*ta); |
976 | } |
1165 | } |
977 | |
1166 | |
978 | static void |
1167 | static void |
979 | api_transfer (SV *prev_sv, SV *next_sv) |
1168 | api_transfer (SV *prev_sv, SV *next_sv) |
980 | { |
1169 | { |
981 | dTHX; |
1170 | dTHX; |
982 | struct transfer_args ta; |
1171 | struct transfer_args ta; |
983 | |
1172 | |
984 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1173 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
985 | TRANSFER (ta); |
1174 | TRANSFER (ta); |
986 | } |
|
|
987 | |
|
|
988 | static int |
|
|
989 | api_save (SV *coro_sv, int new_save) |
|
|
990 | { |
|
|
991 | dTHX; |
|
|
992 | struct coro *coro = SvSTATE (coro_sv); |
|
|
993 | int old_save = coro->save; |
|
|
994 | |
|
|
995 | if (new_save >= 0) |
|
|
996 | coro->save = new_save; |
|
|
997 | |
|
|
998 | return old_save; |
|
|
999 | } |
1175 | } |
1000 | |
1176 | |
1001 | /** Coro ********************************************************************/ |
1177 | /** Coro ********************************************************************/ |
1002 | |
1178 | |
1003 | static void |
1179 | static void |
… | |
… | |
1097 | break; |
1273 | break; |
1098 | } |
1274 | } |
1099 | |
1275 | |
1100 | /* free this only after the transfer */ |
1276 | /* free this only after the transfer */ |
1101 | prev_sv = SvRV (coro_current); |
1277 | prev_sv = SvRV (coro_current); |
1102 | SvRV_set (coro_current, next_sv); |
|
|
1103 | ta->prev = SvSTATE (prev_sv); |
1278 | ta->prev = SvSTATE (prev_sv); |
1104 | |
1279 | TRANSFER_CHECK (*ta); |
1105 | assert (ta->next->flags & CF_READY); |
1280 | assert (ta->next->flags & CF_READY); |
1106 | ta->next->flags &= ~CF_READY; |
1281 | ta->next->flags &= ~CF_READY; |
|
|
1282 | SvRV_set (coro_current, next_sv); |
1107 | |
1283 | |
1108 | LOCK; |
1284 | LOCK; |
1109 | free_coro_mortal (aTHX); |
1285 | free_coro_mortal (aTHX); |
1110 | coro_mortal = prev_sv; |
1286 | coro_mortal = prev_sv; |
1111 | UNLOCK; |
1287 | UNLOCK; |
… | |
… | |
1172 | } |
1348 | } |
1173 | else |
1349 | else |
1174 | return 0; |
1350 | return 0; |
1175 | } |
1351 | } |
1176 | |
1352 | |
|
|
1353 | static void |
|
|
1354 | api_trace (SV *coro_sv, int flags) |
|
|
1355 | { |
|
|
1356 | dTHX; |
|
|
1357 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1358 | |
|
|
1359 | if (flags & CC_TRACE) |
|
|
1360 | { |
|
|
1361 | if (!coro->cctx) |
|
|
1362 | coro->cctx = cctx_new (); |
|
|
1363 | else if (!(coro->cctx->flags & CC_TRACE)) |
|
|
1364 | croak ("cannot enable tracing on coroutine with custom stack"); |
|
|
1365 | |
|
|
1366 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
|
|
1367 | } |
|
|
1368 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
|
|
1369 | { |
|
|
1370 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
|
|
1371 | |
|
|
1372 | if (coro->flags & CF_RUNNING) |
|
|
1373 | PL_runops = RUNOPS_DEFAULT; |
|
|
1374 | else |
|
|
1375 | coro->runops = RUNOPS_DEFAULT; |
|
|
1376 | } |
|
|
1377 | } |
|
|
1378 | |
1177 | MODULE = Coro::State PACKAGE = Coro::State |
1379 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1178 | |
1380 | |
1179 | PROTOTYPES: DISABLE |
1381 | PROTOTYPES: DISABLE |
1180 | |
1382 | |
1181 | BOOT: |
1383 | BOOT: |
1182 | { |
1384 | { |
1183 | #ifdef USE_ITHREADS |
1385 | #ifdef USE_ITHREADS |
1184 | MUTEX_INIT (&coro_mutex); |
1386 | MUTEX_INIT (&coro_mutex); |
1185 | #endif |
1387 | #endif |
1186 | BOOT_PAGESIZE; |
1388 | BOOT_PAGESIZE; |
1187 | |
1389 | |
|
|
1390 | irsgv = gv_fetchpv ("/", 1, SVt_PV); |
|
|
1391 | |
1188 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1392 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1189 | |
1393 | |
1190 | newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); |
1394 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1191 | newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); |
1395 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1192 | newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); |
|
|
1193 | newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); |
|
|
1194 | newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH)); |
|
|
1195 | newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF)); |
1396 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
1196 | newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); |
1397 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
1197 | |
1398 | |
1198 | main_mainstack = PL_mainstack; |
1399 | main_mainstack = PL_mainstack; |
1199 | main_top_env = PL_top_env; |
1400 | main_top_env = PL_top_env; |
1200 | |
1401 | |
1201 | while (main_top_env->je_prev) |
1402 | while (main_top_env->je_prev) |
… | |
… | |
1214 | struct coro *coro; |
1415 | struct coro *coro; |
1215 | HV *hv; |
1416 | HV *hv; |
1216 | int i; |
1417 | int i; |
1217 | |
1418 | |
1218 | Newz (0, coro, 1, struct coro); |
1419 | Newz (0, coro, 1, struct coro); |
1219 | coro->args = newAV (); |
1420 | coro->args = newAV (); |
1220 | coro->save = CORO_SAVE_DEF; |
|
|
1221 | coro->flags = CF_NEW; |
1421 | coro->flags = CF_NEW; |
1222 | |
1422 | |
1223 | if (first) first->prev = coro; |
1423 | if (coro_first) coro_first->prev = coro; |
1224 | coro->next = first; |
1424 | coro->next = coro_first; |
1225 | first = coro; |
1425 | coro_first = coro; |
1226 | |
1426 | |
1227 | coro->hv = hv = newHV (); |
1427 | coro->hv = hv = newHV (); |
1228 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1428 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1229 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1429 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1230 | |
1430 | |
… | |
… | |
1232 | av_push (coro->args, newSVsv (ST (i))); |
1432 | av_push (coro->args, newSVsv (ST (i))); |
1233 | } |
1433 | } |
1234 | OUTPUT: |
1434 | OUTPUT: |
1235 | RETVAL |
1435 | RETVAL |
1236 | |
1436 | |
1237 | int |
1437 | # these not obviously related functions are all rolled into the same xs |
1238 | save (SV *coro, int new_save = -1) |
1438 | # function to increase chances that they all will call transfer with the same |
1239 | CODE: |
1439 | # stack offset |
1240 | RETVAL = api_save (coro, new_save); |
|
|
1241 | OUTPUT: |
|
|
1242 | RETVAL |
|
|
1243 | |
|
|
1244 | int |
|
|
1245 | save_also (SV *coro_sv, int save_also) |
|
|
1246 | CODE: |
|
|
1247 | { |
|
|
1248 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1249 | RETVAL = coro->save; |
|
|
1250 | coro->save |= save_also; |
|
|
1251 | } |
|
|
1252 | OUTPUT: |
|
|
1253 | RETVAL |
|
|
1254 | |
|
|
1255 | void |
1440 | void |
1256 | _set_stacklevel (...) |
1441 | _set_stacklevel (...) |
1257 | ALIAS: |
1442 | ALIAS: |
1258 | Coro::State::transfer = 1 |
1443 | Coro::State::transfer = 1 |
1259 | Coro::schedule = 2 |
1444 | Coro::schedule = 2 |
… | |
… | |
1339 | void |
1524 | void |
1340 | list () |
1525 | list () |
1341 | PPCODE: |
1526 | PPCODE: |
1342 | { |
1527 | { |
1343 | struct coro *coro; |
1528 | struct coro *coro; |
1344 | for (coro = first; coro; coro = coro->next) |
1529 | for (coro = coro_first; coro; coro = coro->next) |
1345 | if (coro->hv) |
1530 | if (coro->hv) |
1346 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
1531 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
1347 | } |
1532 | } |
1348 | |
1533 | |
1349 | void |
1534 | void |
1350 | _eval (SV *coro_sv, SV *coderef) |
1535 | call (Coro::State coro, SV *coderef) |
|
|
1536 | ALIAS: |
|
|
1537 | eval = 1 |
1351 | CODE: |
1538 | CODE: |
1352 | { |
1539 | { |
1353 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1354 | if (coro->mainstack) |
1540 | if (coro->mainstack) |
1355 | { |
1541 | { |
1356 | struct coro temp; |
1542 | struct coro temp; |
1357 | Zero (&temp, 1, struct coro); |
1543 | Zero (&temp, 1, struct coro); |
1358 | temp.save = CORO_SAVE_ALL; |
|
|
1359 | |
1544 | |
1360 | if (!(coro->flags & CF_RUNNING)) |
1545 | if (!(coro->flags & CF_RUNNING)) |
1361 | { |
1546 | { |
1362 | save_perl (aTHX_ &temp); |
1547 | save_perl (aTHX_ &temp); |
1363 | load_perl (aTHX_ coro); |
1548 | load_perl (aTHX_ coro); |
… | |
… | |
1367 | dSP; |
1552 | dSP; |
1368 | ENTER; |
1553 | ENTER; |
1369 | SAVETMPS; |
1554 | SAVETMPS; |
1370 | PUSHMARK (SP); |
1555 | PUSHMARK (SP); |
1371 | PUTBACK; |
1556 | PUTBACK; |
|
|
1557 | if (ix) |
|
|
1558 | eval_sv (coderef, 0); |
|
|
1559 | else |
1372 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1560 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1373 | SPAGAIN; |
1561 | SPAGAIN; |
1374 | FREETMPS; |
1562 | FREETMPS; |
1375 | LEAVE; |
1563 | LEAVE; |
1376 | PUTBACK; |
1564 | PUTBACK; |
1377 | } |
1565 | } |
… | |
… | |
1381 | save_perl (aTHX_ coro); |
1569 | save_perl (aTHX_ coro); |
1382 | load_perl (aTHX_ &temp); |
1570 | load_perl (aTHX_ &temp); |
1383 | } |
1571 | } |
1384 | } |
1572 | } |
1385 | } |
1573 | } |
1386 | |
1574 | |
1387 | SV * |
1575 | SV * |
1388 | is_ready (SV *coro_sv) |
1576 | is_ready (Coro::State coro) |
1389 | PROTOTYPE: $ |
1577 | PROTOTYPE: $ |
1390 | ALIAS: |
1578 | ALIAS: |
1391 | is_ready = CF_READY |
1579 | is_ready = CF_READY |
1392 | is_running = CF_RUNNING |
1580 | is_running = CF_RUNNING |
1393 | is_new = CF_NEW |
1581 | is_new = CF_NEW |
1394 | is_destroyed = CF_DESTROYED |
1582 | is_destroyed = CF_DESTROYED |
1395 | CODE: |
1583 | CODE: |
1396 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1397 | RETVAL = boolSV (coro->flags & ix); |
1584 | RETVAL = boolSV (coro->flags & ix); |
1398 | OUTPUT: |
1585 | OUTPUT: |
1399 | RETVAL |
1586 | RETVAL |
1400 | |
1587 | |
|
|
1588 | void |
|
|
1589 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
|
|
1590 | |
|
|
1591 | SV * |
|
|
1592 | has_stack (Coro::State coro) |
|
|
1593 | PROTOTYPE: $ |
|
|
1594 | CODE: |
|
|
1595 | RETVAL = boolSV (!!coro->cctx); |
|
|
1596 | OUTPUT: |
|
|
1597 | RETVAL |
|
|
1598 | |
|
|
1599 | int |
|
|
1600 | is_traced (Coro::State coro) |
|
|
1601 | PROTOTYPE: $ |
|
|
1602 | CODE: |
|
|
1603 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
|
|
1604 | OUTPUT: |
|
|
1605 | RETVAL |
|
|
1606 | |
|
|
1607 | IV |
|
|
1608 | rss (Coro::State coro) |
|
|
1609 | PROTOTYPE: $ |
|
|
1610 | ALIAS: |
|
|
1611 | usecount = 1 |
|
|
1612 | CODE: |
|
|
1613 | switch (ix) |
|
|
1614 | { |
|
|
1615 | case 0: RETVAL = coro_rss (aTHX_ coro); break; |
|
|
1616 | case 1: RETVAL = coro->usecount; break; |
|
|
1617 | } |
|
|
1618 | OUTPUT: |
|
|
1619 | RETVAL |
|
|
1620 | |
1401 | |
1621 | |
1402 | MODULE = Coro::State PACKAGE = Coro |
1622 | MODULE = Coro::State PACKAGE = Coro |
1403 | |
1623 | |
1404 | BOOT: |
1624 | BOOT: |
1405 | { |
1625 | { |
1406 | int i; |
1626 | int i; |
|
|
1627 | |
|
|
1628 | sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); |
|
|
1629 | sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); |
|
|
1630 | av_async_pool = get_av ("Coro::async_pool", TRUE); |
|
|
1631 | |
|
|
1632 | coro_current = get_sv ("Coro::current", FALSE); |
|
|
1633 | SvREADONLY_on (coro_current); |
1407 | |
1634 | |
1408 | coro_stash = gv_stashpv ("Coro", TRUE); |
1635 | coro_stash = gv_stashpv ("Coro", TRUE); |
1409 | |
1636 | |
1410 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1637 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1411 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1638 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1412 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1639 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1413 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1640 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1414 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
1641 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
1415 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
1642 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
1416 | |
1643 | |
1417 | coro_current = get_sv ("Coro::current", FALSE); |
|
|
1418 | SvREADONLY_on (coro_current); |
|
|
1419 | |
|
|
1420 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1644 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1421 | coro_ready[i] = newAV (); |
1645 | coro_ready[i] = newAV (); |
1422 | |
1646 | |
1423 | { |
1647 | { |
1424 | SV *sv = perl_get_sv("Coro::API", 1); |
1648 | SV *sv = perl_get_sv("Coro::API", 1); |
1425 | |
1649 | |
1426 | coroapi.schedule = api_schedule; |
1650 | coroapi.schedule = api_schedule; |
1427 | coroapi.save = api_save; |
|
|
1428 | coroapi.cede = api_cede; |
1651 | coroapi.cede = api_cede; |
1429 | coroapi.cede_notself = api_cede_notself; |
1652 | coroapi.cede_notself = api_cede_notself; |
1430 | coroapi.ready = api_ready; |
1653 | coroapi.ready = api_ready; |
1431 | coroapi.is_ready = api_is_ready; |
1654 | coroapi.is_ready = api_is_ready; |
1432 | coroapi.nready = &coro_nready; |
1655 | coroapi.nready = &coro_nready; |
… | |
… | |
1481 | CODE: |
1704 | CODE: |
1482 | RETVAL = coro_nready; |
1705 | RETVAL = coro_nready; |
1483 | OUTPUT: |
1706 | OUTPUT: |
1484 | RETVAL |
1707 | RETVAL |
1485 | |
1708 | |
|
|
1709 | # for async_pool speedup |
|
|
1710 | void |
|
|
1711 | _pool_1 (SV *cb) |
|
|
1712 | CODE: |
|
|
1713 | { |
|
|
1714 | struct coro *coro = SvSTATE (coro_current); |
|
|
1715 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1716 | AV *defav = GvAV (PL_defgv); |
|
|
1717 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
1718 | AV *invoke_av; |
|
|
1719 | int i, len; |
|
|
1720 | |
|
|
1721 | if (!invoke) |
|
|
1722 | croak ("\3terminate\2\n"); |
|
|
1723 | |
|
|
1724 | SvREFCNT_dec (coro->saved_deffh); |
|
|
1725 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
|
|
1726 | |
|
|
1727 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
1728 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
1729 | |
|
|
1730 | invoke_av = (AV *)SvRV (invoke); |
|
|
1731 | len = av_len (invoke_av); |
|
|
1732 | |
|
|
1733 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
1734 | |
|
|
1735 | if (len > 0) |
|
|
1736 | { |
|
|
1737 | av_fill (defav, len - 1); |
|
|
1738 | for (i = 0; i < len; ++i) |
|
|
1739 | av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); |
|
|
1740 | } |
|
|
1741 | |
|
|
1742 | SvREFCNT_dec (invoke); |
|
|
1743 | } |
|
|
1744 | |
|
|
1745 | void |
|
|
1746 | _pool_2 (SV *cb) |
|
|
1747 | CODE: |
|
|
1748 | { |
|
|
1749 | struct coro *coro = SvSTATE (coro_current); |
|
|
1750 | |
|
|
1751 | sv_setsv (cb, &PL_sv_undef); |
|
|
1752 | |
|
|
1753 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
1754 | coro->saved_deffh = 0; |
|
|
1755 | |
|
|
1756 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
|
|
1757 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1758 | croak ("\3terminate\2\n"); |
|
|
1759 | |
|
|
1760 | av_clear (GvAV (PL_defgv)); |
|
|
1761 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
|
|
1762 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
1763 | |
|
|
1764 | coro->prio = 0; |
|
|
1765 | |
|
|
1766 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
1767 | api_trace (coro_current, 0); |
|
|
1768 | |
|
|
1769 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
1770 | } |
|
|
1771 | |
|
|
1772 | |
1486 | MODULE = Coro::State PACKAGE = Coro::AIO |
1773 | MODULE = Coro::State PACKAGE = Coro::AIO |
1487 | |
1774 | |
1488 | SV * |
1775 | SV * |
1489 | _get_state () |
1776 | _get_state () |
1490 | CODE: |
1777 | CODE: |