… | |
… | |
75 | /* 5.8.7 */ |
75 | /* 5.8.7 */ |
76 | #ifndef SvRV_set |
76 | #ifndef SvRV_set |
77 | # define SvRV_set(s,v) SvRV(s) = (v) |
77 | # define SvRV_set(s,v) SvRV(s) = (v) |
78 | #endif |
78 | #endif |
79 | |
79 | |
|
|
80 | /* 5.8.8 */ |
|
|
81 | #ifndef GV_NOTQUAL |
|
|
82 | # define GV_NOTQUAL 0 |
|
|
83 | #endif |
|
|
84 | #ifndef newSV |
|
|
85 | # define newSV(l) NEWSV(0,l) |
|
|
86 | #endif |
|
|
87 | |
80 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
88 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
81 | # undef CORO_STACKGUARD |
89 | # undef CORO_STACKGUARD |
82 | #endif |
90 | #endif |
83 | |
91 | |
84 | #ifndef CORO_STACKGUARD |
92 | #ifndef CORO_STACKGUARD |
… | |
… | |
88 | /* prefer perl internal functions over our own? */ |
96 | /* prefer perl internal functions over our own? */ |
89 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
97 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
90 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
98 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
91 | #endif |
99 | #endif |
92 | |
100 | |
93 | /* The next macro should declare a variable stacklevel that contains and approximation |
101 | /* 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 |
102 | * portable way as possible. */ |
95 | * and should be unique. */ |
|
|
96 | #define dSTACKLEVEL int stacklevel |
103 | #define dSTACKLEVEL volatile char stacklevel |
97 | #define STACKLEVEL ((void *)&stacklevel) |
104 | #define STACKLEVEL ((void *)&stacklevel) |
98 | |
105 | |
99 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
106 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
100 | |
107 | |
101 | #if __GNUC__ >= 3 |
108 | #if __GNUC__ >= 3 |
… | |
… | |
129 | }; |
136 | }; |
130 | |
137 | |
131 | static size_t coro_stacksize = CORO_STACKSIZE; |
138 | static size_t coro_stacksize = CORO_STACKSIZE; |
132 | static struct CoroAPI coroapi; |
139 | static struct CoroAPI coroapi; |
133 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
140 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
|
|
141 | static JMPENV *main_top_env; |
134 | static HV *coro_state_stash, *coro_stash; |
142 | static HV *coro_state_stash, *coro_stash; |
135 | static SV *coro_mortal; /* will be freed after next transfer */ |
143 | static SV *coro_mortal; /* will be freed after next transfer */ |
136 | |
144 | |
|
|
145 | static GV *irsgv; /* $/ */ |
|
|
146 | static GV *stdoutgv; /* *STDOUT */ |
|
|
147 | |
|
|
148 | /* async_pool helper stuff */ |
|
|
149 | static SV *sv_pool_rss; |
|
|
150 | static SV *sv_pool_size; |
|
|
151 | static AV *av_async_pool; |
|
|
152 | |
137 | static struct coro_cctx *cctx_first; |
153 | static struct coro_cctx *cctx_first; |
138 | static int cctx_count, cctx_idle; |
154 | static int cctx_count, cctx_idle; |
|
|
155 | |
|
|
156 | enum { |
|
|
157 | CC_MAPPED = 0x01, |
|
|
158 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
|
|
159 | CC_TRACE = 0x04, |
|
|
160 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
|
|
161 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
|
|
162 | CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE, |
|
|
163 | }; |
139 | |
164 | |
140 | /* this is a structure representing a c-level coroutine */ |
165 | /* this is a structure representing a c-level coroutine */ |
141 | typedef struct coro_cctx { |
166 | typedef struct coro_cctx { |
142 | struct coro_cctx *next; |
167 | struct coro_cctx *next; |
143 | |
168 | |
… | |
… | |
152 | coro_context cctx; |
177 | coro_context cctx; |
153 | |
178 | |
154 | #if CORO_USE_VALGRIND |
179 | #if CORO_USE_VALGRIND |
155 | int valgrind_id; |
180 | int valgrind_id; |
156 | #endif |
181 | #endif |
157 | char inuse, mapped; |
182 | unsigned char flags; |
158 | } coro_cctx; |
183 | } coro_cctx; |
159 | |
184 | |
160 | enum { |
185 | enum { |
161 | CF_RUNNING = 0x0001, /* coroutine is running */ |
186 | CF_RUNNING = 0x0001, /* coroutine is running */ |
162 | CF_READY = 0x0002, /* coroutine is ready */ |
187 | CF_READY = 0x0002, /* coroutine is ready */ |
… | |
… | |
170 | coro_cctx *cctx; |
195 | coro_cctx *cctx; |
171 | |
196 | |
172 | /* data associated with this coroutine (initial args) */ |
197 | /* data associated with this coroutine (initial args) */ |
173 | AV *args; |
198 | AV *args; |
174 | int refcnt; |
199 | int refcnt; |
175 | int save; /* CORO_SAVE flags */ |
|
|
176 | int flags; /* CF_ flags */ |
200 | int flags; /* CF_ flags */ |
177 | |
201 | |
178 | /* optionally saved, might be zero */ |
202 | /* optionally saved, might be zero */ |
179 | AV *defav; /* @_ */ |
203 | AV *defav; /* @_ */ |
180 | SV *defsv; /* $_ */ |
204 | SV *defsv; /* $_ */ |
181 | SV *errsv; /* $@ */ |
205 | SV *errsv; /* $@ */ |
182 | GV *deffh; /* default filehandle */ |
206 | SV *deffh; /* default filehandle */ |
183 | SV *irssv; /* $/ */ |
207 | SV *irssv; /* $/ */ |
184 | SV *irssv_sv; /* real $/ cache */ |
208 | SV *irssv_sv; /* real $/ cache */ |
185 | |
209 | |
186 | #define VAR(name,type) type name; |
210 | #define VAR(name,type) type name; |
187 | # include "state.h" |
211 | # include "state.h" |
188 | #undef VAR |
212 | #undef VAR |
189 | |
213 | |
|
|
214 | /* statistics */ |
|
|
215 | int usecount; /* number of transfers to this coro */ |
|
|
216 | |
190 | /* coro process data */ |
217 | /* coro process data */ |
191 | int prio; |
218 | int prio; |
|
|
219 | //SV *throw; |
|
|
220 | |
|
|
221 | /* async_pool */ |
|
|
222 | SV *saved_deffh; |
|
|
223 | |
|
|
224 | /* linked list */ |
|
|
225 | struct coro *next, *prev; |
|
|
226 | HV *hv; /* the perl hash associated with this coro, if any */ |
192 | }; |
227 | }; |
193 | |
228 | |
194 | typedef struct coro *Coro__State; |
229 | typedef struct coro *Coro__State; |
195 | typedef struct coro *Coro__State_or_hashref; |
230 | typedef struct coro *Coro__State_or_hashref; |
196 | |
231 | |
… | |
… | |
205 | |
240 | |
206 | /* for Coro.pm */ |
241 | /* for Coro.pm */ |
207 | static SV *coro_current; |
242 | static SV *coro_current; |
208 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
243 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
209 | static int coro_nready; |
244 | static int coro_nready; |
|
|
245 | static struct coro *coro_first; |
210 | |
246 | |
211 | /** lowlevel stuff **********************************************************/ |
247 | /** lowlevel stuff **********************************************************/ |
212 | |
248 | |
213 | static AV * |
249 | static AV * |
214 | coro_clone_padlist (pTHX_ CV *cv) |
250 | coro_clone_padlist (pTHX_ CV *cv) |
… | |
… | |
279 | SvMAGIC (cv) \ |
315 | SvMAGIC (cv) \ |
280 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
316 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
281 | ? SvMAGIC (cv) \ |
317 | ? SvMAGIC (cv) \ |
282 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
318 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
283 | : 0 |
319 | : 0 |
|
|
320 | |
|
|
321 | static struct coro * |
|
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322 | SvSTATE_ (pTHX_ SV *coro) |
|
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323 | { |
|
|
324 | HV *stash; |
|
|
325 | MAGIC *mg; |
|
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326 | |
|
|
327 | if (SvROK (coro)) |
|
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328 | coro = SvRV (coro); |
|
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329 | |
|
|
330 | if (SvTYPE (coro) != SVt_PVHV) |
|
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331 | croak ("Coro::State object required"); |
|
|
332 | |
|
|
333 | stash = SvSTASH (coro); |
|
|
334 | if (stash != coro_stash && stash != coro_state_stash) |
|
|
335 | { |
|
|
336 | /* very slow, but rare, check */ |
|
|
337 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
338 | croak ("Coro::State object required"); |
|
|
339 | } |
|
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340 | |
|
|
341 | mg = CORO_MAGIC (coro); |
|
|
342 | return (struct coro *)mg->mg_ptr; |
|
|
343 | } |
|
|
344 | |
|
|
345 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
284 | |
346 | |
285 | /* the next two functions merely cache the padlists */ |
347 | /* the next two functions merely cache the padlists */ |
286 | static void |
348 | static void |
287 | get_padlist (pTHX_ CV *cv) |
349 | get_padlist (pTHX_ CV *cv) |
288 | { |
350 | { |
… | |
… | |
327 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
389 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
328 | } |
390 | } |
329 | |
391 | |
330 | /** load & save, init *******************************************************/ |
392 | /** load & save, init *******************************************************/ |
331 | |
393 | |
332 | #define SB do { |
|
|
333 | #define SE } while (0) |
|
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334 | |
|
|
335 | #define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE |
|
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336 | |
|
|
337 | static void |
394 | static void |
338 | load_perl (pTHX_ Coro__State c) |
395 | load_perl (pTHX_ Coro__State c) |
339 | { |
396 | { |
340 | #define VAR(name,type) PL_ ## name = c->name; |
397 | #define VAR(name,type) PL_ ## name = c->name; |
341 | # include "state.h" |
398 | # include "state.h" |
342 | #undef VAR |
399 | #undef VAR |
343 | |
400 | |
344 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
401 | GvSV (PL_defgv) = c->defsv; |
345 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
402 | GvAV (PL_defgv) = c->defav; |
346 | if (c->errsv) REPLACE_SV (ERRSV , c->errsv); |
403 | GvSV (PL_errgv) = c->errsv; |
347 | if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh); |
404 | GvSV (irsgv) = c->irssv_sv; |
348 | |
|
|
349 | if (c->irssv) |
|
|
350 | { |
|
|
351 | if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv)) |
|
|
352 | { |
|
|
353 | SvREFCNT_dec (c->irssv); |
|
|
354 | c->irssv = 0; |
|
|
355 | } |
|
|
356 | else |
|
|
357 | { |
|
|
358 | REPLACE_SV (PL_rs, c->irssv); |
|
|
359 | if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0); |
|
|
360 | sv_setsv (c->irssv_sv, PL_rs); |
|
|
361 | } |
|
|
362 | } |
|
|
363 | |
405 | |
364 | { |
406 | { |
365 | dSP; |
407 | dSP; |
366 | CV *cv; |
408 | CV *cv; |
367 | |
409 | |
… | |
… | |
373 | CvPADLIST (cv) = (AV *)POPs; |
415 | CvPADLIST (cv) = (AV *)POPs; |
374 | } |
416 | } |
375 | |
417 | |
376 | PUTBACK; |
418 | PUTBACK; |
377 | } |
419 | } |
378 | assert (!PL_comppad || AvARRAY (PL_comppad));//D |
|
|
379 | } |
420 | } |
380 | |
421 | |
381 | static void |
422 | static void |
382 | save_perl (pTHX_ Coro__State c) |
423 | save_perl (pTHX_ Coro__State c) |
383 | { |
424 | { |
384 | assert (!PL_comppad || AvARRAY (PL_comppad));//D |
|
|
385 | { |
425 | { |
386 | dSP; |
426 | dSP; |
387 | I32 cxix = cxstack_ix; |
427 | I32 cxix = cxstack_ix; |
388 | PERL_CONTEXT *ccstk = cxstack; |
428 | PERL_CONTEXT *ccstk = cxstack; |
389 | PERL_SI *top_si = PL_curstackinfo; |
429 | PERL_SI *top_si = PL_curstackinfo; |
… | |
… | |
391 | /* |
431 | /* |
392 | * the worst thing you can imagine happens first - we have to save |
432 | * the worst thing you can imagine happens first - we have to save |
393 | * (and reinitialize) all cv's in the whole callchain :( |
433 | * (and reinitialize) all cv's in the whole callchain :( |
394 | */ |
434 | */ |
395 | |
435 | |
396 | EXTEND (SP, 3 + 1); |
|
|
397 | PUSHs (Nullsv); |
436 | XPUSHs (Nullsv); |
398 | /* this loop was inspired by pp_caller */ |
437 | /* this loop was inspired by pp_caller */ |
399 | for (;;) |
438 | for (;;) |
400 | { |
439 | { |
401 | while (cxix >= 0) |
440 | while (cxix >= 0) |
402 | { |
441 | { |
403 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
442 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
404 | |
443 | |
405 | if (CxTYPE (cx) == CXt_SUB) |
444 | if (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT) |
406 | { |
445 | { |
407 | CV *cv = cx->blk_sub.cv; |
446 | CV *cv = cx->blk_sub.cv; |
408 | |
447 | |
409 | if (CvDEPTH (cv)) |
448 | if (CvDEPTH (cv)) |
410 | { |
449 | { |
… | |
… | |
421 | |
460 | |
422 | if (top_si->si_type == PERLSI_MAIN) |
461 | if (top_si->si_type == PERLSI_MAIN) |
423 | break; |
462 | break; |
424 | |
463 | |
425 | top_si = top_si->si_prev; |
464 | top_si = top_si->si_prev; |
426 | ccstk = top_si->si_cxstack; |
465 | ccstk = top_si->si_cxstack; |
427 | cxix = top_si->si_cxix; |
466 | cxix = top_si->si_cxix; |
428 | } |
467 | } |
429 | |
468 | |
430 | PUTBACK; |
469 | PUTBACK; |
431 | } |
470 | } |
432 | |
471 | |
433 | c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; |
472 | c->defav = GvAV (PL_defgv); |
434 | c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; |
473 | c->defsv = DEFSV; |
435 | c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; |
474 | c->errsv = ERRSV; |
436 | c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0; |
475 | c->irssv_sv = GvSV (irsgv); |
437 | c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; |
|
|
438 | |
476 | |
439 | #define VAR(name,type)c->name = PL_ ## name; |
477 | #define VAR(name,type)c->name = PL_ ## name; |
440 | # include "state.h" |
478 | # include "state.h" |
441 | #undef VAR |
479 | #undef VAR |
442 | } |
480 | } |
… | |
… | |
451 | # define coro_init_stacks init_stacks |
489 | # define coro_init_stacks init_stacks |
452 | #else |
490 | #else |
453 | static void |
491 | static void |
454 | coro_init_stacks (pTHX) |
492 | coro_init_stacks (pTHX) |
455 | { |
493 | { |
456 | PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT)); |
494 | PL_curstackinfo = new_stackinfo(64, 6); |
457 | PL_curstackinfo->si_type = PERLSI_MAIN; |
495 | PL_curstackinfo->si_type = PERLSI_MAIN; |
458 | PL_curstack = PL_curstackinfo->si_stack; |
496 | PL_curstack = PL_curstackinfo->si_stack; |
459 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
497 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
460 | |
498 | |
461 | PL_stack_base = AvARRAY(PL_curstack); |
499 | PL_stack_base = AvARRAY(PL_curstack); |
462 | PL_stack_sp = PL_stack_base; |
500 | PL_stack_sp = PL_stack_base; |
463 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
501 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
464 | |
502 | |
465 | New(50,PL_tmps_stack,128,SV*); |
503 | New(50,PL_tmps_stack,64,SV*); |
466 | PL_tmps_floor = -1; |
504 | PL_tmps_floor = -1; |
467 | PL_tmps_ix = -1; |
505 | PL_tmps_ix = -1; |
468 | PL_tmps_max = 128; |
506 | PL_tmps_max = 64; |
469 | |
507 | |
470 | New(54,PL_markstack,32,I32); |
508 | New(54,PL_markstack,16,I32); |
471 | PL_markstack_ptr = PL_markstack; |
509 | PL_markstack_ptr = PL_markstack; |
472 | PL_markstack_max = PL_markstack + 32; |
510 | PL_markstack_max = PL_markstack + 16; |
473 | |
511 | |
474 | #ifdef SET_MARK_OFFSET |
512 | #ifdef SET_MARK_OFFSET |
475 | SET_MARK_OFFSET; |
513 | SET_MARK_OFFSET; |
476 | #endif |
514 | #endif |
477 | |
515 | |
478 | New(54,PL_scopestack,32,I32); |
516 | New(54,PL_scopestack,16,I32); |
479 | PL_scopestack_ix = 0; |
517 | PL_scopestack_ix = 0; |
480 | PL_scopestack_max = 32; |
518 | PL_scopestack_max = 16; |
481 | |
519 | |
482 | New(54,PL_savestack,64,ANY); |
520 | New(54,PL_savestack,64,ANY); |
483 | PL_savestack_ix = 0; |
521 | PL_savestack_ix = 0; |
484 | PL_savestack_max = 64; |
522 | PL_savestack_max = 64; |
485 | |
523 | |
486 | #if !PERL_VERSION_ATLEAST (5,9,0) |
524 | #if !PERL_VERSION_ATLEAST (5,9,0) |
487 | New(54,PL_retstack,16,OP*); |
525 | New(54,PL_retstack,4,OP*); |
488 | PL_retstack_ix = 0; |
526 | PL_retstack_ix = 0; |
489 | PL_retstack_max = 16; |
527 | PL_retstack_max = 4; |
490 | #endif |
528 | #endif |
491 | } |
529 | } |
492 | #endif |
530 | #endif |
493 | |
531 | |
494 | /* |
532 | /* |
495 | * destroy the stacks, the callchain etc... |
533 | * destroy the stacks, the callchain etc... |
496 | */ |
534 | */ |
497 | static void |
535 | static void |
498 | coro_destroy_stacks (pTHX) |
536 | coro_destroy_stacks (pTHX) |
499 | { |
537 | { |
500 | if (!IN_DESTRUCT) |
|
|
501 | { |
|
|
502 | /* restore all saved variables and stuff */ |
|
|
503 | LEAVE_SCOPE (0); |
|
|
504 | assert (PL_tmps_floor == -1); |
|
|
505 | |
|
|
506 | /* free all temporaries */ |
|
|
507 | FREETMPS; |
|
|
508 | assert (PL_tmps_ix == -1); |
|
|
509 | |
|
|
510 | /* unwind all extra stacks */ |
|
|
511 | POPSTACK_TO (PL_mainstack); |
|
|
512 | |
|
|
513 | /* unwind main stack */ |
|
|
514 | dounwind (-1); |
|
|
515 | } |
|
|
516 | |
|
|
517 | while (PL_curstackinfo->si_next) |
538 | while (PL_curstackinfo->si_next) |
518 | PL_curstackinfo = PL_curstackinfo->si_next; |
539 | PL_curstackinfo = PL_curstackinfo->si_next; |
519 | |
540 | |
520 | while (PL_curstackinfo) |
541 | while (PL_curstackinfo) |
521 | { |
542 | { |
… | |
… | |
536 | #if !PERL_VERSION_ATLEAST (5,9,0) |
557 | #if !PERL_VERSION_ATLEAST (5,9,0) |
537 | Safefree (PL_retstack); |
558 | Safefree (PL_retstack); |
538 | #endif |
559 | #endif |
539 | } |
560 | } |
540 | |
561 | |
|
|
562 | static size_t |
|
|
563 | coro_rss (pTHX_ struct coro *coro) |
|
|
564 | { |
|
|
565 | size_t rss = sizeof (*coro); |
|
|
566 | |
|
|
567 | if (coro->mainstack) |
|
|
568 | { |
|
|
569 | if (coro->flags & CF_RUNNING) |
|
|
570 | { |
|
|
571 | #define VAR(name,type)coro->name = PL_ ## name; |
|
|
572 | # include "state.h" |
|
|
573 | #undef VAR |
|
|
574 | } |
|
|
575 | |
|
|
576 | rss += sizeof (coro->curstackinfo); |
|
|
577 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); |
|
|
578 | rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
|
|
579 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
|
|
580 | rss += coro->tmps_max * sizeof (SV *); |
|
|
581 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
|
|
582 | rss += coro->scopestack_max * sizeof (I32); |
|
|
583 | rss += coro->savestack_max * sizeof (ANY); |
|
|
584 | |
|
|
585 | #if !PERL_VERSION_ATLEAST (5,9,0) |
|
|
586 | rss += coro->retstack_max * sizeof (OP *); |
|
|
587 | #endif |
|
|
588 | } |
|
|
589 | |
|
|
590 | return rss; |
|
|
591 | } |
|
|
592 | |
541 | /** coroutine stack handling ************************************************/ |
593 | /** coroutine stack handling ************************************************/ |
542 | |
594 | |
543 | static void |
595 | static void |
544 | setup_coro (pTHX_ struct coro *coro) |
596 | coro_setup (pTHX_ struct coro *coro) |
545 | { |
597 | { |
546 | /* |
598 | /* |
547 | * emulate part of the perl startup here. |
599 | * emulate part of the perl startup here. |
548 | */ |
600 | */ |
549 | coro_init_stacks (aTHX); |
601 | coro_init_stacks (aTHX); |
550 | |
602 | |
|
|
603 | PL_runops = RUNOPS_DEFAULT; |
551 | PL_curcop = &PL_compiling; |
604 | PL_curcop = &PL_compiling; |
552 | PL_in_eval = EVAL_NULL; |
605 | PL_in_eval = EVAL_NULL; |
553 | PL_comppad = 0; |
606 | PL_comppad = 0; |
554 | PL_curpm = 0; |
607 | PL_curpm = 0; |
555 | PL_localizing = 0; |
608 | PL_localizing = 0; |
556 | PL_dirty = 0; |
609 | PL_dirty = 0; |
557 | PL_restartop = 0; |
610 | PL_restartop = 0; |
|
|
611 | |
|
|
612 | GvSV (PL_defgv) = newSV (0); |
|
|
613 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
614 | GvSV (PL_errgv) = newSV (0); |
|
|
615 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
616 | PL_rs = newSVsv (GvSV (irsgv)); |
|
|
617 | PL_defoutgv = SvREFCNT_inc (stdoutgv); |
|
|
618 | |
|
|
619 | ENTER; /* necessary e.g. for dounwind */ |
558 | |
620 | |
559 | { |
621 | { |
560 | dSP; |
622 | dSP; |
561 | LOGOP myop; |
623 | LOGOP myop; |
562 | |
624 | |
563 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
564 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
565 | |
|
|
566 | Zero (&myop, 1, LOGOP); |
625 | Zero (&myop, 1, LOGOP); |
567 | myop.op_next = Nullop; |
626 | myop.op_next = Nullop; |
568 | myop.op_flags = OPf_WANT_VOID; |
627 | myop.op_flags = OPf_WANT_VOID; |
569 | |
628 | |
570 | PUSHMARK (SP); |
629 | PUSHMARK (SP); |
571 | XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE)); |
630 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
572 | PUTBACK; |
631 | PUTBACK; |
573 | PL_op = (OP *)&myop; |
632 | PL_op = (OP *)&myop; |
574 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
633 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
575 | SPAGAIN; |
634 | SPAGAIN; |
576 | } |
635 | } |
|
|
636 | } |
577 | |
637 | |
578 | ENTER; /* necessary e.g. for dounwind */ |
638 | static void |
|
|
639 | coro_destroy (pTHX_ struct coro *coro) |
|
|
640 | { |
|
|
641 | if (!IN_DESTRUCT) |
|
|
642 | { |
|
|
643 | /* restore all saved variables and stuff */ |
|
|
644 | LEAVE_SCOPE (0); |
|
|
645 | assert (PL_tmps_floor == -1); |
|
|
646 | |
|
|
647 | /* free all temporaries */ |
|
|
648 | FREETMPS; |
|
|
649 | assert (PL_tmps_ix == -1); |
|
|
650 | |
|
|
651 | /* unwind all extra stacks */ |
|
|
652 | POPSTACK_TO (PL_mainstack); |
|
|
653 | |
|
|
654 | /* unwind main stack */ |
|
|
655 | dounwind (-1); |
|
|
656 | } |
|
|
657 | |
|
|
658 | SvREFCNT_dec (GvSV (PL_defgv)); |
|
|
659 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
660 | SvREFCNT_dec (GvSV (PL_errgv)); |
|
|
661 | SvREFCNT_dec (PL_defoutgv); |
|
|
662 | SvREFCNT_dec (PL_rs); |
|
|
663 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
664 | |
|
|
665 | SvREFCNT_dec (coro->saved_deffh); |
|
|
666 | //SvREFCNT_dec (coro->throw); |
|
|
667 | |
|
|
668 | coro_destroy_stacks (aTHX); |
579 | } |
669 | } |
580 | |
670 | |
581 | static void |
671 | static void |
582 | free_coro_mortal (pTHX) |
672 | free_coro_mortal (pTHX) |
583 | { |
673 | { |
… | |
… | |
586 | SvREFCNT_dec (coro_mortal); |
676 | SvREFCNT_dec (coro_mortal); |
587 | coro_mortal = 0; |
677 | coro_mortal = 0; |
588 | } |
678 | } |
589 | } |
679 | } |
590 | |
680 | |
|
|
681 | static int |
|
|
682 | runops_trace (pTHX) |
|
|
683 | { |
|
|
684 | COP *oldcop = 0; |
|
|
685 | int oldcxix = -2; |
|
|
686 | struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */ |
|
|
687 | coro_cctx *cctx = coro->cctx; |
|
|
688 | |
|
|
689 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
|
|
690 | { |
|
|
691 | PERL_ASYNC_CHECK (); |
|
|
692 | |
|
|
693 | if (cctx->flags & CC_TRACE_ALL) |
|
|
694 | { |
|
|
695 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
|
|
696 | { |
|
|
697 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
698 | SV **bot, **top; |
|
|
699 | AV *av = newAV (); /* return values */ |
|
|
700 | SV **cb; |
|
|
701 | dSP; |
|
|
702 | |
|
|
703 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
704 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
705 | if (isGV (gv)) |
|
|
706 | gv_efullname3 (fullname, gv, 0); |
|
|
707 | |
|
|
708 | bot = PL_stack_base + cx->blk_oldsp + 1; |
|
|
709 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
|
|
710 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
|
|
711 | : bot; |
|
|
712 | |
|
|
713 | av_extend (av, top - bot); |
|
|
714 | while (bot < top) |
|
|
715 | av_push (av, SvREFCNT_inc (*bot++)); |
|
|
716 | |
|
|
717 | PL_runops = RUNOPS_DEFAULT; |
|
|
718 | ENTER; |
|
|
719 | SAVETMPS; |
|
|
720 | EXTEND (SP, 3); |
|
|
721 | PUSHMARK (SP); |
|
|
722 | PUSHs (&PL_sv_no); |
|
|
723 | PUSHs (fullname); |
|
|
724 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
725 | PUTBACK; |
|
|
726 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
727 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
728 | SPAGAIN; |
|
|
729 | FREETMPS; |
|
|
730 | LEAVE; |
|
|
731 | PL_runops = runops_trace; |
|
|
732 | } |
|
|
733 | |
|
|
734 | if (oldcop != PL_curcop) |
|
|
735 | { |
|
|
736 | oldcop = PL_curcop; |
|
|
737 | |
|
|
738 | if (PL_curcop != &PL_compiling) |
|
|
739 | { |
|
|
740 | SV **cb; |
|
|
741 | |
|
|
742 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
|
|
743 | { |
|
|
744 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
745 | |
|
|
746 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
|
|
747 | { |
|
|
748 | runops_proc_t old_runops = PL_runops; |
|
|
749 | dSP; |
|
|
750 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
751 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
752 | |
|
|
753 | if (isGV (gv)) |
|
|
754 | gv_efullname3 (fullname, gv, 0); |
|
|
755 | |
|
|
756 | PL_runops = RUNOPS_DEFAULT; |
|
|
757 | ENTER; |
|
|
758 | SAVETMPS; |
|
|
759 | EXTEND (SP, 3); |
|
|
760 | PUSHMARK (SP); |
|
|
761 | PUSHs (&PL_sv_yes); |
|
|
762 | PUSHs (fullname); |
|
|
763 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
|
|
764 | PUTBACK; |
|
|
765 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
766 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
767 | SPAGAIN; |
|
|
768 | FREETMPS; |
|
|
769 | LEAVE; |
|
|
770 | PL_runops = runops_trace; |
|
|
771 | } |
|
|
772 | |
|
|
773 | oldcxix = cxstack_ix; |
|
|
774 | } |
|
|
775 | |
|
|
776 | if (cctx->flags & CC_TRACE_LINE) |
|
|
777 | { |
|
|
778 | dSP; |
|
|
779 | |
|
|
780 | PL_runops = RUNOPS_DEFAULT; |
|
|
781 | ENTER; |
|
|
782 | SAVETMPS; |
|
|
783 | EXTEND (SP, 3); |
|
|
784 | PL_runops = RUNOPS_DEFAULT; |
|
|
785 | PUSHMARK (SP); |
|
|
786 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
|
|
787 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
|
|
788 | PUTBACK; |
|
|
789 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
|
|
790 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
791 | SPAGAIN; |
|
|
792 | FREETMPS; |
|
|
793 | LEAVE; |
|
|
794 | PL_runops = runops_trace; |
|
|
795 | } |
|
|
796 | } |
|
|
797 | } |
|
|
798 | } |
|
|
799 | } |
|
|
800 | |
|
|
801 | TAINT_NOT; |
|
|
802 | return 0; |
|
|
803 | } |
|
|
804 | |
591 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
805 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
|
|
806 | /* _cctx_init should be careful, as it could be called at almost any time */ |
|
|
807 | /* during execution of a perl program */ |
592 | static void NOINLINE |
808 | static void NOINLINE |
593 | prepare_cctx (pTHX_ coro_cctx *cctx) |
809 | prepare_cctx (pTHX_ coro_cctx *cctx) |
594 | { |
810 | { |
595 | dSP; |
811 | dSP; |
596 | LOGOP myop; |
812 | LOGOP myop; |
|
|
813 | |
|
|
814 | PL_top_env = &PL_start_env; |
|
|
815 | |
|
|
816 | if (cctx->flags & CC_TRACE) |
|
|
817 | PL_runops = runops_trace; |
597 | |
818 | |
598 | Zero (&myop, 1, LOGOP); |
819 | Zero (&myop, 1, LOGOP); |
599 | myop.op_next = PL_op; |
820 | myop.op_next = PL_op; |
600 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
821 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
601 | |
822 | |
… | |
… | |
607 | PL_op = (OP *)&myop; |
828 | PL_op = (OP *)&myop; |
608 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
829 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
609 | SPAGAIN; |
830 | SPAGAIN; |
610 | } |
831 | } |
611 | |
832 | |
|
|
833 | /* |
|
|
834 | * this is a _very_ stripped down perl interpreter ;) |
|
|
835 | */ |
612 | static void |
836 | static void |
613 | coro_run (void *arg) |
837 | coro_run (void *arg) |
614 | { |
838 | { |
615 | dTHX; |
839 | dTHX; |
616 | |
840 | |
617 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
841 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
618 | UNLOCK; |
842 | UNLOCK; |
619 | |
843 | |
620 | /* |
844 | /* we now skip the entersub that lead to transfer() */ |
621 | * this is a _very_ stripped down perl interpreter ;) |
845 | PL_op = PL_op->op_next; |
622 | */ |
|
|
623 | PL_top_env = &PL_start_env; |
|
|
624 | |
846 | |
625 | /* inject call to cctx_init */ |
847 | /* inject a fake subroutine call to cctx_init */ |
626 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
848 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
627 | |
849 | |
628 | /* somebody will hit me for both perl_run and PL_restartop */ |
850 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
629 | PL_restartop = PL_op; |
851 | PL_restartop = PL_op; |
630 | perl_run (PL_curinterp); |
852 | perl_run (PL_curinterp); |
631 | |
853 | |
632 | fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr); |
854 | /* |
633 | abort (); |
855 | * If perl-run returns we assume exit() was being called or the coro |
|
|
856 | * fell off the end, which seems to be the only valid (non-bug) |
|
|
857 | * reason for perl_run to return. We try to exit by jumping to the |
|
|
858 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
|
|
859 | * coroutine as Coro has no such concept |
|
|
860 | */ |
|
|
861 | PL_top_env = main_top_env; |
|
|
862 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
634 | } |
863 | } |
635 | |
864 | |
636 | static coro_cctx * |
865 | static coro_cctx * |
637 | cctx_new () |
866 | cctx_new () |
638 | { |
867 | { |
… | |
… | |
655 | # if CORO_STACKGUARD |
884 | # if CORO_STACKGUARD |
656 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
885 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
657 | # endif |
886 | # endif |
658 | stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
887 | stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
659 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
888 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
660 | cctx->mapped = 1; |
889 | cctx->flags |= CC_MAPPED; |
661 | } |
890 | } |
662 | else |
891 | else |
663 | #endif |
892 | #endif |
664 | { |
893 | { |
665 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
894 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
… | |
… | |
692 | #if CORO_USE_VALGRIND |
921 | #if CORO_USE_VALGRIND |
693 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
922 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
694 | #endif |
923 | #endif |
695 | |
924 | |
696 | #if HAVE_MMAP |
925 | #if HAVE_MMAP |
697 | if (cctx->mapped) |
926 | if (cctx->flags & CC_MAPPED) |
698 | munmap (cctx->sptr, cctx->ssize); |
927 | munmap (cctx->sptr, cctx->ssize); |
699 | else |
928 | else |
700 | #endif |
929 | #endif |
701 | Safefree (cctx->sptr); |
930 | Safefree (cctx->sptr); |
702 | |
931 | |
703 | Safefree (cctx); |
932 | Safefree (cctx); |
704 | } |
933 | } |
|
|
934 | |
|
|
935 | /* wether this cctx should be destructed */ |
|
|
936 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
705 | |
937 | |
706 | static coro_cctx * |
938 | static coro_cctx * |
707 | cctx_get (pTHX) |
939 | cctx_get (pTHX) |
708 | { |
940 | { |
709 | while (cctx_first) |
941 | while (cctx_first) |
710 | { |
942 | { |
711 | coro_cctx *cctx = cctx_first; |
943 | coro_cctx *cctx = cctx_first; |
712 | cctx_first = cctx->next; |
944 | cctx_first = cctx->next; |
713 | --cctx_idle; |
945 | --cctx_idle; |
714 | |
946 | |
715 | if (cctx->ssize >= coro_stacksize) |
947 | if (!CCTX_EXPIRED (cctx)) |
716 | return cctx; |
948 | return cctx; |
717 | |
949 | |
718 | cctx_destroy (cctx); |
950 | cctx_destroy (cctx); |
719 | } |
951 | } |
720 | |
952 | |
721 | PL_op = PL_op->op_next; |
|
|
722 | return cctx_new (); |
953 | return cctx_new (); |
723 | } |
954 | } |
724 | |
955 | |
725 | static void |
956 | static void |
726 | cctx_put (coro_cctx *cctx) |
957 | cctx_put (coro_cctx *cctx) |
… | |
… | |
730 | { |
961 | { |
731 | coro_cctx *first = cctx_first; |
962 | coro_cctx *first = cctx_first; |
732 | cctx_first = first->next; |
963 | cctx_first = first->next; |
733 | --cctx_idle; |
964 | --cctx_idle; |
734 | |
965 | |
735 | assert (!first->inuse); |
|
|
736 | cctx_destroy (first); |
966 | cctx_destroy (first); |
737 | } |
967 | } |
738 | |
968 | |
739 | ++cctx_idle; |
969 | ++cctx_idle; |
740 | cctx->next = cctx_first; |
970 | cctx->next = cctx_first; |
741 | cctx_first = cctx; |
971 | cctx_first = cctx; |
742 | } |
972 | } |
743 | |
973 | |
744 | /** coroutine switching *****************************************************/ |
974 | /** coroutine switching *****************************************************/ |
745 | |
975 | |
746 | /* never call directly, always through the coro_state_transfer global variable */ |
976 | static void NOINLINE |
|
|
977 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
|
|
978 | { |
|
|
979 | if (prev != next) |
|
|
980 | { |
|
|
981 | if (!(prev->flags & (CF_RUNNING | CF_NEW))) |
|
|
982 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
|
|
983 | |
|
|
984 | if (next->flags & CF_RUNNING) |
|
|
985 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
986 | |
|
|
987 | if (next->flags & CF_DESTROYED) |
|
|
988 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
989 | |
|
|
990 | if (PL_lex_state != LEX_NOTPARSING) |
|
|
991 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
|
|
992 | } |
|
|
993 | } |
|
|
994 | |
|
|
995 | /* always use the TRANSFER macro */ |
747 | static void NOINLINE |
996 | static void NOINLINE |
748 | transfer (pTHX_ struct coro *prev, struct coro *next) |
997 | transfer (pTHX_ struct coro *prev, struct coro *next) |
749 | { |
998 | { |
750 | dSTACKLEVEL; |
999 | dSTACKLEVEL; |
751 | |
1000 | |
… | |
… | |
761 | |
1010 | |
762 | if (prev->flags & CF_NEW) |
1011 | if (prev->flags & CF_NEW) |
763 | { |
1012 | { |
764 | /* create a new empty context */ |
1013 | /* create a new empty context */ |
765 | Newz (0, prev->cctx, 1, coro_cctx); |
1014 | Newz (0, prev->cctx, 1, coro_cctx); |
766 | prev->cctx->inuse = 1; |
|
|
767 | prev->flags &= ~CF_NEW; |
1015 | prev->flags &= ~CF_NEW; |
768 | prev->flags |= CF_RUNNING; |
1016 | prev->flags |= CF_RUNNING; |
769 | } |
1017 | } |
770 | |
|
|
771 | /*TODO: must not croak here */ |
|
|
772 | if (!prev->flags & CF_RUNNING) |
|
|
773 | croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states"); |
|
|
774 | |
|
|
775 | if (next->flags & CF_RUNNING) |
|
|
776 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
777 | |
|
|
778 | if (next->flags & CF_DESTROYED) |
|
|
779 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
780 | |
1018 | |
781 | prev->flags &= ~CF_RUNNING; |
1019 | prev->flags &= ~CF_RUNNING; |
782 | next->flags |= CF_RUNNING; |
1020 | next->flags |= CF_RUNNING; |
783 | |
1021 | |
784 | LOCK; |
1022 | LOCK; |
… | |
… | |
788 | /* need to start coroutine */ |
1026 | /* need to start coroutine */ |
789 | next->flags &= ~CF_NEW; |
1027 | next->flags &= ~CF_NEW; |
790 | /* first get rid of the old state */ |
1028 | /* first get rid of the old state */ |
791 | save_perl (aTHX_ prev); |
1029 | save_perl (aTHX_ prev); |
792 | /* setup coroutine call */ |
1030 | /* setup coroutine call */ |
793 | setup_coro (aTHX_ next); |
1031 | coro_setup (aTHX_ next); |
794 | /* need a new stack */ |
|
|
795 | assert (!next->cctx); |
|
|
796 | } |
1032 | } |
797 | else |
1033 | else |
798 | { |
1034 | { |
799 | /* coroutine already started */ |
1035 | /* coroutine already started */ |
800 | save_perl (aTHX_ prev); |
1036 | save_perl (aTHX_ prev); |
… | |
… | |
802 | } |
1038 | } |
803 | |
1039 | |
804 | prev__cctx = prev->cctx; |
1040 | prev__cctx = prev->cctx; |
805 | |
1041 | |
806 | /* possibly "free" the cctx */ |
1042 | /* possibly "free" the cctx */ |
807 | if (prev__cctx->idle_sp == STACKLEVEL) |
1043 | if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)) |
808 | { |
1044 | { |
809 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1045 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
810 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1046 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
811 | |
1047 | |
812 | prev->cctx = 0; |
1048 | prev->cctx = 0; |
813 | |
1049 | |
|
|
1050 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
|
|
1051 | if (CCTX_EXPIRED (prev__cctx)) |
|
|
1052 | next->cctx = cctx_get (aTHX); |
|
|
1053 | |
814 | cctx_put (prev__cctx); |
1054 | cctx_put (prev__cctx); |
815 | prev__cctx->inuse = 0; |
|
|
816 | } |
1055 | } |
817 | |
1056 | |
|
|
1057 | ++next->usecount; |
|
|
1058 | |
818 | if (!next->cctx) |
1059 | if (!next->cctx) |
819 | { |
|
|
820 | next->cctx = cctx_get (aTHX); |
1060 | next->cctx = cctx_get (aTHX); |
821 | assert (!next->cctx->inuse); |
|
|
822 | next->cctx->inuse = 1; |
|
|
823 | } |
|
|
824 | |
1061 | |
825 | if (prev__cctx != next->cctx) |
1062 | if (prev__cctx != next->cctx) |
826 | { |
1063 | { |
827 | prev__cctx->top_env = PL_top_env; |
1064 | prev__cctx->top_env = PL_top_env; |
828 | PL_top_env = next->cctx->top_env; |
1065 | PL_top_env = next->cctx->top_env; |
… | |
… | |
838 | { |
1075 | { |
839 | struct coro *prev, *next; |
1076 | struct coro *prev, *next; |
840 | }; |
1077 | }; |
841 | |
1078 | |
842 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
1079 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
|
|
1080 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
843 | |
1081 | |
844 | /** high level stuff ********************************************************/ |
1082 | /** high level stuff ********************************************************/ |
845 | |
1083 | |
846 | static int |
1084 | static int |
847 | coro_state_destroy (pTHX_ struct coro *coro) |
1085 | coro_state_destroy (pTHX_ struct coro *coro) |
… | |
… | |
864 | |
1102 | |
865 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1103 | if (coro->mainstack && coro->mainstack != main_mainstack) |
866 | { |
1104 | { |
867 | struct coro temp; |
1105 | struct coro temp; |
868 | |
1106 | |
869 | assert (!(coro->flags & CF_RUNNING)); |
|
|
870 | |
|
|
871 | Zero (&temp, 1, struct coro); |
|
|
872 | temp.save = CORO_SAVE_DEF; |
|
|
873 | |
|
|
874 | if (coro->flags & CF_RUNNING) |
1107 | if (coro->flags & CF_RUNNING) |
875 | croak ("FATAL: tried to destroy currently running coroutine"); |
1108 | croak ("FATAL: tried to destroy currently running coroutine"); |
876 | |
1109 | |
877 | save_perl (aTHX_ &temp); |
1110 | save_perl (aTHX_ &temp); |
878 | load_perl (aTHX_ coro); |
1111 | load_perl (aTHX_ coro); |
879 | |
1112 | |
880 | coro_destroy_stacks (aTHX); |
1113 | coro_destroy (aTHX_ coro); |
881 | |
1114 | |
882 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
1115 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
883 | |
1116 | |
884 | coro->mainstack = 0; |
1117 | coro->mainstack = 0; |
885 | } |
1118 | } |
886 | |
1119 | |
887 | cctx_destroy (coro->cctx); |
1120 | cctx_destroy (coro->cctx); |
888 | SvREFCNT_dec (coro->args); |
1121 | SvREFCNT_dec (coro->args); |
889 | |
1122 | |
|
|
1123 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1124 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1125 | if (coro == coro_first) coro_first = coro->next; |
|
|
1126 | |
890 | return 1; |
1127 | return 1; |
891 | } |
1128 | } |
892 | |
1129 | |
893 | static int |
1130 | static int |
894 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1131 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
895 | { |
1132 | { |
896 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1133 | struct coro *coro = (struct coro *)mg->mg_ptr; |
897 | mg->mg_ptr = 0; |
1134 | mg->mg_ptr = 0; |
|
|
1135 | |
|
|
1136 | coro->hv = 0; |
898 | |
1137 | |
899 | if (--coro->refcnt < 0) |
1138 | if (--coro->refcnt < 0) |
900 | { |
1139 | { |
901 | coro_state_destroy (aTHX_ coro); |
1140 | coro_state_destroy (aTHX_ coro); |
902 | Safefree (coro); |
1141 | Safefree (coro); |
… | |
… | |
924 | #else |
1163 | #else |
925 | # define MGf_DUP 0 |
1164 | # define MGf_DUP 0 |
926 | #endif |
1165 | #endif |
927 | }; |
1166 | }; |
928 | |
1167 | |
929 | static struct coro * |
|
|
930 | SvSTATE_ (pTHX_ SV *coro) |
|
|
931 | { |
|
|
932 | HV *stash; |
|
|
933 | MAGIC *mg; |
|
|
934 | |
|
|
935 | if (SvROK (coro)) |
|
|
936 | coro = SvRV (coro); |
|
|
937 | |
|
|
938 | stash = SvSTASH (coro); |
|
|
939 | if (stash != coro_stash && stash != coro_state_stash) |
|
|
940 | { |
|
|
941 | /* very slow, but rare, check */ |
|
|
942 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
943 | croak ("Coro::State object required"); |
|
|
944 | } |
|
|
945 | |
|
|
946 | mg = CORO_MAGIC (coro); |
|
|
947 | return (struct coro *)mg->mg_ptr; |
|
|
948 | } |
|
|
949 | |
|
|
950 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
951 | |
|
|
952 | static void |
1168 | static void |
953 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1169 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
954 | { |
1170 | { |
955 | ta->prev = SvSTATE (prev_sv); |
1171 | ta->prev = SvSTATE (prev_sv); |
956 | ta->next = SvSTATE (next_sv); |
1172 | ta->next = SvSTATE (next_sv); |
|
|
1173 | TRANSFER_CHECK (*ta); |
957 | } |
1174 | } |
958 | |
1175 | |
959 | static void |
1176 | static void |
960 | api_transfer (SV *prev_sv, SV *next_sv) |
1177 | api_transfer (SV *prev_sv, SV *next_sv) |
961 | { |
1178 | { |
962 | dTHX; |
1179 | dTHX; |
963 | struct transfer_args ta; |
1180 | struct transfer_args ta; |
964 | |
1181 | |
965 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1182 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
966 | TRANSFER (ta); |
1183 | TRANSFER (ta); |
967 | } |
|
|
968 | |
|
|
969 | static int |
|
|
970 | api_save (SV *coro_sv, int new_save) |
|
|
971 | { |
|
|
972 | dTHX; |
|
|
973 | struct coro *coro = SvSTATE (coro_sv); |
|
|
974 | int old_save = coro->save; |
|
|
975 | |
|
|
976 | if (new_save >= 0) |
|
|
977 | coro->save = new_save; |
|
|
978 | |
|
|
979 | return old_save; |
|
|
980 | } |
1184 | } |
981 | |
1185 | |
982 | /** Coro ********************************************************************/ |
1186 | /** Coro ********************************************************************/ |
983 | |
1187 | |
984 | static void |
1188 | static void |
… | |
… | |
1078 | break; |
1282 | break; |
1079 | } |
1283 | } |
1080 | |
1284 | |
1081 | /* free this only after the transfer */ |
1285 | /* free this only after the transfer */ |
1082 | prev_sv = SvRV (coro_current); |
1286 | prev_sv = SvRV (coro_current); |
1083 | SvRV_set (coro_current, next_sv); |
|
|
1084 | ta->prev = SvSTATE (prev_sv); |
1287 | ta->prev = SvSTATE (prev_sv); |
1085 | |
1288 | TRANSFER_CHECK (*ta); |
1086 | assert (ta->next->flags & CF_READY); |
1289 | assert (ta->next->flags & CF_READY); |
1087 | ta->next->flags &= ~CF_READY; |
1290 | ta->next->flags &= ~CF_READY; |
|
|
1291 | SvRV_set (coro_current, next_sv); |
1088 | |
1292 | |
1089 | LOCK; |
1293 | LOCK; |
1090 | free_coro_mortal (aTHX); |
1294 | free_coro_mortal (aTHX); |
1091 | coro_mortal = prev_sv; |
1295 | coro_mortal = prev_sv; |
1092 | UNLOCK; |
1296 | UNLOCK; |
… | |
… | |
1153 | } |
1357 | } |
1154 | else |
1358 | else |
1155 | return 0; |
1359 | return 0; |
1156 | } |
1360 | } |
1157 | |
1361 | |
|
|
1362 | static void |
|
|
1363 | api_trace (SV *coro_sv, int flags) |
|
|
1364 | { |
|
|
1365 | dTHX; |
|
|
1366 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1367 | |
|
|
1368 | if (flags & CC_TRACE) |
|
|
1369 | { |
|
|
1370 | if (!coro->cctx) |
|
|
1371 | coro->cctx = cctx_new (); |
|
|
1372 | else if (!(coro->cctx->flags & CC_TRACE)) |
|
|
1373 | croak ("cannot enable tracing on coroutine with custom stack"); |
|
|
1374 | |
|
|
1375 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
|
|
1376 | } |
|
|
1377 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
|
|
1378 | { |
|
|
1379 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
|
|
1380 | |
|
|
1381 | if (coro->flags & CF_RUNNING) |
|
|
1382 | PL_runops = RUNOPS_DEFAULT; |
|
|
1383 | else |
|
|
1384 | coro->runops = RUNOPS_DEFAULT; |
|
|
1385 | } |
|
|
1386 | } |
|
|
1387 | |
1158 | MODULE = Coro::State PACKAGE = Coro::State |
1388 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1159 | |
1389 | |
1160 | PROTOTYPES: DISABLE |
1390 | PROTOTYPES: DISABLE |
1161 | |
1391 | |
1162 | BOOT: |
1392 | BOOT: |
1163 | { |
1393 | { |
1164 | #ifdef USE_ITHREADS |
1394 | #ifdef USE_ITHREADS |
1165 | MUTEX_INIT (&coro_mutex); |
1395 | MUTEX_INIT (&coro_mutex); |
1166 | #endif |
1396 | #endif |
1167 | BOOT_PAGESIZE; |
1397 | BOOT_PAGESIZE; |
1168 | |
1398 | |
|
|
1399 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
|
|
1400 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
|
|
1401 | |
1169 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1402 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1170 | |
1403 | |
1171 | newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); |
1404 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1172 | newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); |
1405 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1173 | newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); |
|
|
1174 | newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); |
|
|
1175 | newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH)); |
|
|
1176 | newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF)); |
1406 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
1177 | newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); |
1407 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
1178 | |
1408 | |
1179 | main_mainstack = PL_mainstack; |
1409 | main_mainstack = PL_mainstack; |
|
|
1410 | main_top_env = PL_top_env; |
|
|
1411 | |
|
|
1412 | while (main_top_env->je_prev) |
|
|
1413 | main_top_env = main_top_env->je_prev; |
1180 | |
1414 | |
1181 | coroapi.ver = CORO_API_VERSION; |
1415 | coroapi.ver = CORO_API_VERSION; |
1182 | coroapi.transfer = api_transfer; |
1416 | coroapi.transfer = api_transfer; |
1183 | |
1417 | |
1184 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1418 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
… | |
… | |
1191 | struct coro *coro; |
1425 | struct coro *coro; |
1192 | HV *hv; |
1426 | HV *hv; |
1193 | int i; |
1427 | int i; |
1194 | |
1428 | |
1195 | Newz (0, coro, 1, struct coro); |
1429 | Newz (0, coro, 1, struct coro); |
1196 | coro->args = newAV (); |
1430 | coro->args = newAV (); |
1197 | coro->save = CORO_SAVE_DEF; |
|
|
1198 | coro->flags = CF_NEW; |
1431 | coro->flags = CF_NEW; |
1199 | |
1432 | |
|
|
1433 | if (coro_first) coro_first->prev = coro; |
|
|
1434 | coro->next = coro_first; |
|
|
1435 | coro_first = coro; |
|
|
1436 | |
1200 | hv = newHV (); |
1437 | coro->hv = hv = newHV (); |
1201 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1438 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1202 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1439 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1203 | |
1440 | |
|
|
1441 | av_extend (coro->args, items - 1); |
1204 | for (i = 1; i < items; i++) |
1442 | for (i = 1; i < items; i++) |
1205 | av_push (coro->args, newSVsv (ST (i))); |
1443 | av_push (coro->args, newSVsv (ST (i))); |
1206 | } |
1444 | } |
1207 | OUTPUT: |
1445 | OUTPUT: |
1208 | RETVAL |
1446 | RETVAL |
1209 | |
1447 | |
1210 | int |
1448 | # these not obviously related functions are all rolled into the same xs |
1211 | save (SV *coro, int new_save = -1) |
1449 | # function to increase chances that they all will call transfer with the same |
1212 | CODE: |
1450 | # stack offset |
1213 | RETVAL = api_save (coro, new_save); |
|
|
1214 | OUTPUT: |
|
|
1215 | RETVAL |
|
|
1216 | |
|
|
1217 | int |
|
|
1218 | save_also (SV *coro_sv, int save_also) |
|
|
1219 | CODE: |
|
|
1220 | { |
|
|
1221 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1222 | RETVAL = coro->save; |
|
|
1223 | coro->save |= save_also; |
|
|
1224 | } |
|
|
1225 | OUTPUT: |
|
|
1226 | RETVAL |
|
|
1227 | |
|
|
1228 | void |
1451 | void |
1229 | _set_stacklevel (...) |
1452 | _set_stacklevel (...) |
1230 | ALIAS: |
1453 | ALIAS: |
1231 | Coro::State::transfer = 1 |
1454 | Coro::State::transfer = 1 |
1232 | Coro::schedule = 2 |
1455 | Coro::schedule = 2 |
… | |
… | |
1307 | CODE: |
1530 | CODE: |
1308 | RETVAL = cctx_idle; |
1531 | RETVAL = cctx_idle; |
1309 | OUTPUT: |
1532 | OUTPUT: |
1310 | RETVAL |
1533 | RETVAL |
1311 | |
1534 | |
|
|
1535 | void |
|
|
1536 | list () |
|
|
1537 | PPCODE: |
|
|
1538 | { |
|
|
1539 | struct coro *coro; |
|
|
1540 | for (coro = coro_first; coro; coro = coro->next) |
|
|
1541 | if (coro->hv) |
|
|
1542 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
|
|
1543 | } |
|
|
1544 | |
|
|
1545 | void |
|
|
1546 | call (Coro::State coro, SV *coderef) |
|
|
1547 | ALIAS: |
|
|
1548 | eval = 1 |
|
|
1549 | CODE: |
|
|
1550 | { |
|
|
1551 | if (coro->mainstack) |
|
|
1552 | { |
|
|
1553 | struct coro temp; |
|
|
1554 | Zero (&temp, 1, struct coro); |
|
|
1555 | |
|
|
1556 | if (!(coro->flags & CF_RUNNING)) |
|
|
1557 | { |
|
|
1558 | save_perl (aTHX_ &temp); |
|
|
1559 | load_perl (aTHX_ coro); |
|
|
1560 | } |
|
|
1561 | |
|
|
1562 | { |
|
|
1563 | dSP; |
|
|
1564 | ENTER; |
|
|
1565 | SAVETMPS; |
|
|
1566 | PUSHMARK (SP); |
|
|
1567 | PUTBACK; |
|
|
1568 | if (ix) |
|
|
1569 | eval_sv (coderef, 0); |
|
|
1570 | else |
|
|
1571 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
1572 | SPAGAIN; |
|
|
1573 | FREETMPS; |
|
|
1574 | LEAVE; |
|
|
1575 | PUTBACK; |
|
|
1576 | } |
|
|
1577 | |
|
|
1578 | if (!(coro->flags & CF_RUNNING)) |
|
|
1579 | { |
|
|
1580 | save_perl (aTHX_ coro); |
|
|
1581 | load_perl (aTHX_ &temp); |
|
|
1582 | } |
|
|
1583 | } |
|
|
1584 | } |
|
|
1585 | |
|
|
1586 | SV * |
|
|
1587 | is_ready (Coro::State coro) |
|
|
1588 | PROTOTYPE: $ |
|
|
1589 | ALIAS: |
|
|
1590 | is_ready = CF_READY |
|
|
1591 | is_running = CF_RUNNING |
|
|
1592 | is_new = CF_NEW |
|
|
1593 | is_destroyed = CF_DESTROYED |
|
|
1594 | CODE: |
|
|
1595 | RETVAL = boolSV (coro->flags & ix); |
|
|
1596 | OUTPUT: |
|
|
1597 | RETVAL |
|
|
1598 | |
|
|
1599 | void |
|
|
1600 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
|
|
1601 | |
|
|
1602 | SV * |
|
|
1603 | has_stack (Coro::State coro) |
|
|
1604 | PROTOTYPE: $ |
|
|
1605 | CODE: |
|
|
1606 | RETVAL = boolSV (!!coro->cctx); |
|
|
1607 | OUTPUT: |
|
|
1608 | RETVAL |
|
|
1609 | |
|
|
1610 | int |
|
|
1611 | is_traced (Coro::State coro) |
|
|
1612 | PROTOTYPE: $ |
|
|
1613 | CODE: |
|
|
1614 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
|
|
1615 | OUTPUT: |
|
|
1616 | RETVAL |
|
|
1617 | |
|
|
1618 | IV |
|
|
1619 | rss (Coro::State coro) |
|
|
1620 | PROTOTYPE: $ |
|
|
1621 | ALIAS: |
|
|
1622 | usecount = 1 |
|
|
1623 | CODE: |
|
|
1624 | switch (ix) |
|
|
1625 | { |
|
|
1626 | case 0: RETVAL = coro_rss (aTHX_ coro); break; |
|
|
1627 | case 1: RETVAL = coro->usecount; break; |
|
|
1628 | } |
|
|
1629 | OUTPUT: |
|
|
1630 | RETVAL |
|
|
1631 | |
|
|
1632 | |
1312 | MODULE = Coro::State PACKAGE = Coro |
1633 | MODULE = Coro::State PACKAGE = Coro |
1313 | |
1634 | |
1314 | BOOT: |
1635 | BOOT: |
1315 | { |
1636 | { |
1316 | int i; |
1637 | int i; |
|
|
1638 | |
|
|
1639 | sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); |
|
|
1640 | sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); |
|
|
1641 | av_async_pool = get_av ("Coro::async_pool", TRUE); |
|
|
1642 | |
|
|
1643 | coro_current = get_sv ("Coro::current", FALSE); |
|
|
1644 | SvREADONLY_on (coro_current); |
1317 | |
1645 | |
1318 | coro_stash = gv_stashpv ("Coro", TRUE); |
1646 | coro_stash = gv_stashpv ("Coro", TRUE); |
1319 | |
1647 | |
1320 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1648 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1321 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1649 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1322 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1650 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1323 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1651 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1324 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
1652 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
1325 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
1653 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
1326 | |
1654 | |
1327 | coro_current = get_sv ("Coro::current", FALSE); |
|
|
1328 | SvREADONLY_on (coro_current); |
|
|
1329 | |
|
|
1330 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1655 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1331 | coro_ready[i] = newAV (); |
1656 | coro_ready[i] = newAV (); |
1332 | |
1657 | |
1333 | { |
1658 | { |
1334 | SV *sv = perl_get_sv("Coro::API", 1); |
1659 | SV *sv = perl_get_sv("Coro::API", 1); |
1335 | |
1660 | |
1336 | coroapi.schedule = api_schedule; |
1661 | coroapi.schedule = api_schedule; |
1337 | coroapi.save = api_save; |
|
|
1338 | coroapi.cede = api_cede; |
1662 | coroapi.cede = api_cede; |
1339 | coroapi.cede_notself = api_cede_notself; |
1663 | coroapi.cede_notself = api_cede_notself; |
1340 | coroapi.ready = api_ready; |
1664 | coroapi.ready = api_ready; |
1341 | coroapi.is_ready = api_is_ready; |
1665 | coroapi.is_ready = api_is_ready; |
1342 | coroapi.nready = &coro_nready; |
1666 | coroapi.nready = &coro_nready; |
… | |
… | |
1383 | CODE: |
1707 | CODE: |
1384 | RETVAL = boolSV (api_ready (self)); |
1708 | RETVAL = boolSV (api_ready (self)); |
1385 | OUTPUT: |
1709 | OUTPUT: |
1386 | RETVAL |
1710 | RETVAL |
1387 | |
1711 | |
1388 | SV * |
|
|
1389 | is_ready (SV *self) |
|
|
1390 | PROTOTYPE: $ |
|
|
1391 | CODE: |
|
|
1392 | RETVAL = boolSV (api_is_ready (self)); |
|
|
1393 | OUTPUT: |
|
|
1394 | RETVAL |
|
|
1395 | |
|
|
1396 | int |
1712 | int |
1397 | nready (...) |
1713 | nready (...) |
1398 | PROTOTYPE: |
1714 | PROTOTYPE: |
1399 | CODE: |
1715 | CODE: |
1400 | RETVAL = coro_nready; |
1716 | RETVAL = coro_nready; |
1401 | OUTPUT: |
1717 | OUTPUT: |
1402 | RETVAL |
1718 | RETVAL |
1403 | |
1719 | |
|
|
1720 | # for async_pool speedup |
|
|
1721 | void |
|
|
1722 | _pool_1 (SV *cb) |
|
|
1723 | CODE: |
|
|
1724 | { |
|
|
1725 | struct coro *coro = SvSTATE (coro_current); |
|
|
1726 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1727 | AV *defav = GvAV (PL_defgv); |
|
|
1728 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
1729 | AV *invoke_av; |
|
|
1730 | int i, len; |
|
|
1731 | |
|
|
1732 | if (!invoke) |
|
|
1733 | croak ("\3terminate\2\n"); |
|
|
1734 | |
|
|
1735 | SvREFCNT_dec (coro->saved_deffh); |
|
|
1736 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
|
|
1737 | |
|
|
1738 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
1739 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
1740 | |
|
|
1741 | invoke_av = (AV *)SvRV (invoke); |
|
|
1742 | len = av_len (invoke_av); |
|
|
1743 | |
|
|
1744 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
1745 | |
|
|
1746 | if (len > 0) |
|
|
1747 | { |
|
|
1748 | av_fill (defav, len - 1); |
|
|
1749 | for (i = 0; i < len; ++i) |
|
|
1750 | av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); |
|
|
1751 | } |
|
|
1752 | |
|
|
1753 | SvREFCNT_dec (invoke); |
|
|
1754 | } |
|
|
1755 | |
|
|
1756 | void |
|
|
1757 | _pool_2 (SV *cb) |
|
|
1758 | CODE: |
|
|
1759 | { |
|
|
1760 | struct coro *coro = SvSTATE (coro_current); |
|
|
1761 | |
|
|
1762 | sv_setsv (cb, &PL_sv_undef); |
|
|
1763 | |
|
|
1764 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
1765 | coro->saved_deffh = 0; |
|
|
1766 | |
|
|
1767 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
|
|
1768 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1769 | croak ("\3terminate\2\n"); |
|
|
1770 | |
|
|
1771 | av_clear (GvAV (PL_defgv)); |
|
|
1772 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
|
|
1773 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
1774 | |
|
|
1775 | coro->prio = 0; |
|
|
1776 | |
|
|
1777 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
1778 | api_trace (coro_current, 0); |
|
|
1779 | |
|
|
1780 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
1781 | } |
|
|
1782 | |
|
|
1783 | |
1404 | MODULE = Coro::State PACKAGE = Coro::AIO |
1784 | MODULE = Coro::State PACKAGE = Coro::AIO |
1405 | |
1785 | |
1406 | SV * |
1786 | SV * |
1407 | _get_state () |
1787 | _get_state () |
1408 | CODE: |
1788 | CODE: |