1 | #define CORO_CLONE 1 //D |
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2 | |
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3 | #include "libcoro/coro.c" |
1 | #include "libcoro/coro.c" |
4 | |
2 | |
5 | #define PERL_NO_GET_CONTEXT |
3 | #define PERL_NO_GET_CONTEXT |
6 | #define PERL_EXT |
4 | #define PERL_EXT |
7 | |
5 | |
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135 | #else |
133 | #else |
136 | # define dSTACKLEVEL volatile void *stacklevel |
134 | # define dSTACKLEVEL volatile void *stacklevel |
137 | # define STACKLEVEL ((void *)&stacklevel) |
135 | # define STACKLEVEL ((void *)&stacklevel) |
138 | #endif |
136 | #endif |
139 | |
137 | |
140 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
138 | #define IN_DESTRUCT PL_dirty |
141 | |
139 | |
142 | #if __GNUC__ >= 3 |
140 | #if __GNUC__ >= 3 |
143 | # define attribute(x) __attribute__(x) |
141 | # define attribute(x) __attribute__(x) |
144 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
142 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
145 | # define INLINE static inline |
143 | # define INLINE static inline |
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177 | static HV *coro_state_stash, *coro_stash; |
175 | static HV *coro_state_stash, *coro_stash; |
178 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
176 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
179 | |
177 | |
180 | static AV *av_destroy; /* destruction queue */ |
178 | static AV *av_destroy; /* destruction queue */ |
181 | static SV *sv_manager; /* the manager coro */ |
179 | static SV *sv_manager; /* the manager coro */ |
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180 | static SV *sv_idle; /* $Coro::idle */ |
182 | |
181 | |
183 | static GV *irsgv; /* $/ */ |
182 | static GV *irsgv; /* $/ */ |
184 | static GV *stdoutgv; /* *STDOUT */ |
183 | static GV *stdoutgv; /* *STDOUT */ |
185 | static SV *rv_diehook; |
184 | static SV *rv_diehook; |
186 | static SV *rv_warnhook; |
185 | static SV *rv_warnhook; |
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230 | int valgrind_id; |
229 | int valgrind_id; |
231 | #endif |
230 | #endif |
232 | unsigned char flags; |
231 | unsigned char flags; |
233 | } coro_cctx; |
232 | } coro_cctx; |
234 | |
233 | |
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234 | coro_cctx *cctx_current; /* the currently running cctx */ |
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235 | |
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236 | /*****************************************************************************/ |
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237 | |
235 | enum { |
238 | enum { |
236 | CF_RUNNING = 0x0001, /* coroutine is running */ |
239 | CF_RUNNING = 0x0001, /* coroutine is running */ |
237 | CF_READY = 0x0002, /* coroutine is ready */ |
240 | CF_READY = 0x0002, /* coroutine is ready */ |
238 | CF_NEW = 0x0004, /* has never been switched to */ |
241 | CF_NEW = 0x0004, /* has never been switched to */ |
239 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
242 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
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243 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
240 | }; |
244 | }; |
241 | |
245 | |
242 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
246 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
243 | typedef struct |
247 | typedef struct |
244 | { |
248 | { |
245 | SV *defsv; |
249 | SV *defsv; |
246 | AV *defav; |
250 | AV *defav; |
247 | SV *errsv; |
251 | SV *errsv; |
248 | SV *irsgv; |
252 | SV *irsgv; |
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253 | HV *hinthv; |
249 | #define VAR(name,type) type name; |
254 | #define VAR(name,type) type name; |
250 | # include "state.h" |
255 | # include "state.h" |
251 | #undef VAR |
256 | #undef VAR |
252 | } perl_slots; |
257 | } perl_slots; |
253 | |
258 | |
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255 | |
260 | |
256 | /* this is a structure representing a perl-level coroutine */ |
261 | /* this is a structure representing a perl-level coroutine */ |
257 | struct coro { |
262 | struct coro { |
258 | /* the C coroutine allocated to this perl coroutine, if any */ |
263 | /* the C coroutine allocated to this perl coroutine, if any */ |
259 | coro_cctx *cctx; |
264 | coro_cctx *cctx; |
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265 | |
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266 | /* ready queue */ |
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267 | struct coro *next_ready; |
260 | |
268 | |
261 | /* state data */ |
269 | /* state data */ |
262 | struct CoroSLF slf_frame; /* saved slf frame */ |
270 | struct CoroSLF slf_frame; /* saved slf frame */ |
263 | AV *mainstack; |
271 | AV *mainstack; |
264 | perl_slots *slot; /* basically the saved sp */ |
272 | perl_slots *slot; /* basically the saved sp */ |
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281 | /* async_pool */ |
289 | /* async_pool */ |
282 | SV *saved_deffh; |
290 | SV *saved_deffh; |
283 | SV *invoke_cb; |
291 | SV *invoke_cb; |
284 | AV *invoke_av; |
292 | AV *invoke_av; |
285 | |
293 | |
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294 | /* on_enter/on_leave */ |
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295 | AV *on_enter; |
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296 | AV *on_leave; |
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297 | |
286 | /* linked list */ |
298 | /* linked list */ |
287 | struct coro *next, *prev; |
299 | struct coro *next, *prev; |
288 | }; |
300 | }; |
289 | |
301 | |
290 | typedef struct coro *Coro__State; |
302 | typedef struct coro *Coro__State; |
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305 | #define PRIO_MIN -4 |
317 | #define PRIO_MIN -4 |
306 | |
318 | |
307 | /* for Coro.pm */ |
319 | /* for Coro.pm */ |
308 | static SV *coro_current; |
320 | static SV *coro_current; |
309 | static SV *coro_readyhook; |
321 | static SV *coro_readyhook; |
310 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
322 | static struct coro *coro_ready [PRIO_MAX - PRIO_MIN + 1][2]; /* head|tail */ |
311 | static CV *cv_coro_run, *cv_coro_terminate; |
323 | static CV *cv_coro_run, *cv_coro_terminate; |
312 | static struct coro *coro_first; |
324 | static struct coro *coro_first; |
313 | #define coro_nready coroapi.nready |
325 | #define coro_nready coroapi.nready |
314 | |
326 | |
315 | /** lowlevel stuff **********************************************************/ |
327 | /** lowlevel stuff **********************************************************/ |
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348 | INLINE CV * |
360 | INLINE CV * |
349 | coro_sv_2cv (pTHX_ SV *sv) |
361 | coro_sv_2cv (pTHX_ SV *sv) |
350 | { |
362 | { |
351 | HV *st; |
363 | HV *st; |
352 | GV *gvp; |
364 | GV *gvp; |
353 | return sv_2cv (sv, &st, &gvp, 0); |
365 | CV *cv = sv_2cv (sv, &st, &gvp, 0); |
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366 | |
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367 | if (!cv) |
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368 | croak ("code reference expected"); |
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369 | |
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370 | return cv; |
354 | } |
371 | } |
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372 | |
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373 | /*****************************************************************************/ |
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374 | /* magic glue */ |
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375 | |
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376 | #define CORO_MAGIC_type_cv 26 |
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377 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
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378 | |
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379 | #define CORO_MAGIC_NN(sv, type) \ |
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380 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
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381 | ? SvMAGIC (sv) \ |
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382 | : mg_find (sv, type)) |
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383 | |
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384 | #define CORO_MAGIC(sv, type) \ |
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385 | (expect_true (SvMAGIC (sv)) \ |
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386 | ? CORO_MAGIC_NN (sv, type) \ |
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387 | : 0) |
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388 | |
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389 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
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390 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
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391 | |
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392 | INLINE struct coro * |
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393 | SvSTATE_ (pTHX_ SV *coro) |
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394 | { |
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395 | HV *stash; |
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396 | MAGIC *mg; |
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397 | |
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398 | if (SvROK (coro)) |
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399 | coro = SvRV (coro); |
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400 | |
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401 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
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402 | croak ("Coro::State object required"); |
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403 | |
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404 | stash = SvSTASH (coro); |
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405 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
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406 | { |
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407 | /* very slow, but rare, check */ |
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408 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
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409 | croak ("Coro::State object required"); |
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410 | } |
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411 | |
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412 | mg = CORO_MAGIC_state (coro); |
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413 | return (struct coro *)mg->mg_ptr; |
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414 | } |
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415 | |
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416 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
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417 | |
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418 | /* faster than SvSTATE, but expects a coroutine hv */ |
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419 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
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420 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
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421 | |
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422 | /*****************************************************************************/ |
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423 | /* padlist management and caching */ |
355 | |
424 | |
356 | static AV * |
425 | static AV * |
357 | coro_derive_padlist (pTHX_ CV *cv) |
426 | coro_derive_padlist (pTHX_ CV *cv) |
358 | { |
427 | { |
359 | AV *padlist = CvPADLIST (cv); |
428 | AV *padlist = CvPADLIST (cv); |
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367 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
436 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
368 | #endif |
437 | #endif |
369 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
438 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
370 | --AvFILLp (padlist); |
439 | --AvFILLp (padlist); |
371 | |
440 | |
372 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
441 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
373 | av_store (newpadlist, 1, (SV *)newpad); |
442 | av_store (newpadlist, 1, (SV *)newpad); |
374 | |
443 | |
375 | return newpadlist; |
444 | return newpadlist; |
376 | } |
445 | } |
377 | |
446 | |
378 | static void |
447 | static void |
379 | free_padlist (pTHX_ AV *padlist) |
448 | free_padlist (pTHX_ AV *padlist) |
380 | { |
449 | { |
381 | /* may be during global destruction */ |
450 | /* may be during global destruction */ |
382 | if (SvREFCNT (padlist)) |
451 | if (!IN_DESTRUCT) |
383 | { |
452 | { |
384 | I32 i = AvFILLp (padlist); |
453 | I32 i = AvFILLp (padlist); |
385 | while (i >= 0) |
454 | |
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455 | while (i > 0) /* special-case index 0 */ |
386 | { |
456 | { |
387 | SV **svp = av_fetch (padlist, i--, FALSE); |
457 | /* we try to be extra-careful here */ |
388 | if (svp) |
458 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
389 | { |
459 | I32 j = AvFILLp (av); |
390 | SV *sv; |
460 | |
391 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
461 | while (j >= 0) |
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462 | SvREFCNT_dec (AvARRAY (av)[j--]); |
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463 | |
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464 | AvFILLp (av) = -1; |
392 | SvREFCNT_dec (sv); |
465 | SvREFCNT_dec (av); |
393 | |
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394 | SvREFCNT_dec (*svp); |
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395 | } |
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396 | } |
466 | } |
397 | |
467 | |
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468 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
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469 | |
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470 | AvFILLp (padlist) = -1; |
398 | SvREFCNT_dec ((SV*)padlist); |
471 | SvREFCNT_dec ((SV*)padlist); |
399 | } |
472 | } |
400 | } |
473 | } |
401 | |
474 | |
402 | static int |
475 | static int |
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411 | |
484 | |
412 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
485 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
413 | |
486 | |
414 | return 0; |
487 | return 0; |
415 | } |
488 | } |
416 | |
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417 | #define CORO_MAGIC_type_cv 26 |
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418 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
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419 | |
489 | |
420 | static MGVTBL coro_cv_vtbl = { |
490 | static MGVTBL coro_cv_vtbl = { |
421 | 0, 0, 0, 0, |
491 | 0, 0, 0, 0, |
422 | coro_cv_free |
492 | coro_cv_free |
423 | }; |
493 | }; |
424 | |
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425 | #define CORO_MAGIC_NN(sv, type) \ |
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426 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
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427 | ? SvMAGIC (sv) \ |
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428 | : mg_find (sv, type)) |
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429 | |
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430 | #define CORO_MAGIC(sv, type) \ |
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431 | (expect_true (SvMAGIC (sv)) \ |
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432 | ? CORO_MAGIC_NN (sv, type) \ |
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433 | : 0) |
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434 | |
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435 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
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436 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
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437 | |
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438 | INLINE struct coro * |
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439 | SvSTATE_ (pTHX_ SV *coro) |
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440 | { |
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441 | HV *stash; |
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442 | MAGIC *mg; |
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443 | |
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444 | if (SvROK (coro)) |
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445 | coro = SvRV (coro); |
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446 | |
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447 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
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448 | croak ("Coro::State object required"); |
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449 | |
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450 | stash = SvSTASH (coro); |
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451 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
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452 | { |
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453 | /* very slow, but rare, check */ |
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454 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
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455 | croak ("Coro::State object required"); |
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456 | } |
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457 | |
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458 | mg = CORO_MAGIC_state (coro); |
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459 | return (struct coro *)mg->mg_ptr; |
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460 | } |
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461 | |
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462 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
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463 | |
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464 | /* faster than SvSTATE, but expects a coroutine hv */ |
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465 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
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466 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
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467 | |
494 | |
468 | /* the next two functions merely cache the padlists */ |
495 | /* the next two functions merely cache the padlists */ |
469 | static void |
496 | static void |
470 | get_padlist (pTHX_ CV *cv) |
497 | get_padlist (pTHX_ CV *cv) |
471 | { |
498 | { |
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499 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
526 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
500 | |
527 | |
501 | av = (AV *)mg->mg_obj; |
528 | av = (AV *)mg->mg_obj; |
502 | |
529 | |
503 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
530 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
504 | av_extend (av, AvMAX (av) + 1); |
531 | av_extend (av, AvFILLp (av) + 1); |
505 | |
532 | |
506 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
533 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
507 | } |
534 | } |
508 | |
535 | |
509 | /** load & save, init *******************************************************/ |
536 | /** load & save, init *******************************************************/ |
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537 | |
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538 | static void |
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539 | on_enterleave_call (pTHX_ SV *cb); |
510 | |
540 | |
511 | static void |
541 | static void |
512 | load_perl (pTHX_ Coro__State c) |
542 | load_perl (pTHX_ Coro__State c) |
513 | { |
543 | { |
514 | perl_slots *slot = c->slot; |
544 | perl_slots *slot = c->slot; |
515 | c->slot = 0; |
545 | c->slot = 0; |
516 | |
546 | |
517 | PL_mainstack = c->mainstack; |
547 | PL_mainstack = c->mainstack; |
518 | |
548 | |
519 | GvSV (PL_defgv) = slot->defsv; |
549 | GvSV (PL_defgv) = slot->defsv; |
520 | GvAV (PL_defgv) = slot->defav; |
550 | GvAV (PL_defgv) = slot->defav; |
521 | GvSV (PL_errgv) = slot->errsv; |
551 | GvSV (PL_errgv) = slot->errsv; |
522 | GvSV (irsgv) = slot->irsgv; |
552 | GvSV (irsgv) = slot->irsgv; |
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553 | GvHV (PL_hintgv) = slot->hinthv; |
523 | |
554 | |
524 | #define VAR(name,type) PL_ ## name = slot->name; |
555 | #define VAR(name,type) PL_ ## name = slot->name; |
525 | # include "state.h" |
556 | # include "state.h" |
526 | #undef VAR |
557 | #undef VAR |
527 | |
558 | |
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541 | PUTBACK; |
572 | PUTBACK; |
542 | } |
573 | } |
543 | |
574 | |
544 | slf_frame = c->slf_frame; |
575 | slf_frame = c->slf_frame; |
545 | CORO_THROW = c->except; |
576 | CORO_THROW = c->except; |
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577 | |
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578 | if (expect_false (c->on_enter)) |
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579 | { |
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580 | int i; |
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581 | |
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582 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
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583 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
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584 | } |
546 | } |
585 | } |
547 | |
586 | |
548 | static void |
587 | static void |
549 | save_perl (pTHX_ Coro__State c) |
588 | save_perl (pTHX_ Coro__State c) |
550 | { |
589 | { |
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590 | if (expect_false (c->on_leave)) |
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591 | { |
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592 | int i; |
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593 | |
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594 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
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595 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
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596 | } |
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597 | |
551 | c->except = CORO_THROW; |
598 | c->except = CORO_THROW; |
552 | c->slf_frame = slf_frame; |
599 | c->slf_frame = slf_frame; |
553 | |
600 | |
554 | { |
601 | { |
555 | dSP; |
602 | dSP; |
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613 | c->mainstack = PL_mainstack; |
660 | c->mainstack = PL_mainstack; |
614 | |
661 | |
615 | { |
662 | { |
616 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
663 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
617 | |
664 | |
618 | slot->defav = GvAV (PL_defgv); |
665 | slot->defav = GvAV (PL_defgv); |
619 | slot->defsv = DEFSV; |
666 | slot->defsv = DEFSV; |
620 | slot->errsv = ERRSV; |
667 | slot->errsv = ERRSV; |
621 | slot->irsgv = GvSV (irsgv); |
668 | slot->irsgv = GvSV (irsgv); |
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669 | slot->hinthv = GvHV (PL_hintgv); |
622 | |
670 | |
623 | #define VAR(name,type) slot->name = PL_ ## name; |
671 | #define VAR(name,type) slot->name = PL_ ## name; |
624 | # include "state.h" |
672 | # include "state.h" |
625 | #undef VAR |
673 | #undef VAR |
626 | } |
674 | } |
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… | |
753 | #endif |
801 | #endif |
754 | |
802 | |
755 | /* |
803 | /* |
756 | * This overrides the default magic get method of %SIG elements. |
804 | * This overrides the default magic get method of %SIG elements. |
757 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
805 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
758 | * and instead of tryign to save and restore the hash elements, we just provide |
806 | * and instead of trying to save and restore the hash elements, we just provide |
759 | * readback here. |
807 | * readback here. |
760 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
761 | * not expecting this to actually change the hook. This is a potential problem |
|
|
762 | * when a schedule happens then, but we ignore this. |
|
|
763 | */ |
808 | */ |
764 | static int |
809 | static int |
765 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
810 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
766 | { |
811 | { |
767 | const char *s = MgPV_nolen_const (mg); |
812 | const char *s = MgPV_nolen_const (mg); |
… | |
… | |
820 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
865 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
821 | |
866 | |
822 | if (svp) |
867 | if (svp) |
823 | { |
868 | { |
824 | SV *old = *svp; |
869 | SV *old = *svp; |
825 | *svp = newSVsv (sv); |
870 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
826 | SvREFCNT_dec (old); |
871 | SvREFCNT_dec (old); |
827 | return 0; |
872 | return 0; |
828 | } |
873 | } |
829 | } |
874 | } |
830 | |
875 | |
… | |
… | |
862 | |
907 | |
863 | PL_runops = RUNOPS_DEFAULT; |
908 | PL_runops = RUNOPS_DEFAULT; |
864 | PL_curcop = &PL_compiling; |
909 | PL_curcop = &PL_compiling; |
865 | PL_in_eval = EVAL_NULL; |
910 | PL_in_eval = EVAL_NULL; |
866 | PL_comppad = 0; |
911 | PL_comppad = 0; |
|
|
912 | PL_comppad_name = 0; |
|
|
913 | PL_comppad_name_fill = 0; |
|
|
914 | PL_comppad_name_floor = 0; |
867 | PL_curpm = 0; |
915 | PL_curpm = 0; |
868 | PL_curpad = 0; |
916 | PL_curpad = 0; |
869 | PL_localizing = 0; |
917 | PL_localizing = 0; |
870 | PL_dirty = 0; |
918 | PL_dirty = 0; |
871 | PL_restartop = 0; |
919 | PL_restartop = 0; |
872 | #if PERL_VERSION_ATLEAST (5,10,0) |
920 | #if PERL_VERSION_ATLEAST (5,10,0) |
873 | PL_parser = 0; |
921 | PL_parser = 0; |
874 | #endif |
922 | #endif |
|
|
923 | PL_hints = 0; |
875 | |
924 | |
876 | /* recreate the die/warn hooks */ |
925 | /* recreate the die/warn hooks */ |
877 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
926 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
878 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
927 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
879 | |
928 | |
880 | GvSV (PL_defgv) = newSV (0); |
929 | GvSV (PL_defgv) = newSV (0); |
881 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
930 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
882 | GvSV (PL_errgv) = newSV (0); |
931 | GvSV (PL_errgv) = newSV (0); |
883 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
932 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
933 | GvHV (PL_hintgv) = 0; |
884 | PL_rs = newSVsv (GvSV (irsgv)); |
934 | PL_rs = newSVsv (GvSV (irsgv)); |
885 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
935 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
886 | |
936 | |
887 | { |
937 | { |
888 | dSP; |
938 | dSP; |
… | |
… | |
917 | /* copy throw, in case it was set before coro_setup */ |
967 | /* copy throw, in case it was set before coro_setup */ |
918 | CORO_THROW = coro->except; |
968 | CORO_THROW = coro->except; |
919 | } |
969 | } |
920 | |
970 | |
921 | static void |
971 | static void |
922 | coro_destruct (pTHX_ struct coro *coro) |
972 | coro_unwind_stacks (pTHX) |
923 | { |
973 | { |
924 | if (!IN_DESTRUCT) |
974 | if (!IN_DESTRUCT) |
925 | { |
975 | { |
926 | /* restore all saved variables and stuff */ |
976 | /* restore all saved variables and stuff */ |
927 | LEAVE_SCOPE (0); |
977 | LEAVE_SCOPE (0); |
… | |
… | |
935 | POPSTACK_TO (PL_mainstack); |
985 | POPSTACK_TO (PL_mainstack); |
936 | |
986 | |
937 | /* unwind main stack */ |
987 | /* unwind main stack */ |
938 | dounwind (-1); |
988 | dounwind (-1); |
939 | } |
989 | } |
|
|
990 | } |
940 | |
991 | |
941 | SvREFCNT_dec (GvSV (PL_defgv)); |
992 | static void |
942 | SvREFCNT_dec (GvAV (PL_defgv)); |
993 | coro_destruct_perl (pTHX_ struct coro *coro) |
943 | SvREFCNT_dec (GvSV (PL_errgv)); |
994 | { |
944 | SvREFCNT_dec (PL_defoutgv); |
995 | SV *svf [9]; |
945 | SvREFCNT_dec (PL_rs); |
|
|
946 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
947 | |
996 | |
948 | SvREFCNT_dec (PL_diehook); |
|
|
949 | SvREFCNT_dec (PL_warnhook); |
|
|
950 | |
997 | { |
|
|
998 | struct coro *current = SvSTATE_current; |
|
|
999 | |
|
|
1000 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1001 | |
|
|
1002 | save_perl (aTHX_ current); |
|
|
1003 | load_perl (aTHX_ coro); |
|
|
1004 | coro_unwind_stacks (aTHX); |
|
|
1005 | coro_destruct_stacks (aTHX); |
|
|
1006 | |
|
|
1007 | // now save some sv's to be free'd later |
|
|
1008 | svf [0] = GvSV (PL_defgv); |
|
|
1009 | svf [1] = (SV *)GvAV (PL_defgv); |
|
|
1010 | svf [2] = GvSV (PL_errgv); |
|
|
1011 | svf [3] = (SV *)PL_defoutgv; |
|
|
1012 | svf [4] = PL_rs; |
|
|
1013 | svf [5] = GvSV (irsgv); |
|
|
1014 | svf [6] = (SV *)GvHV (PL_hintgv); |
|
|
1015 | svf [7] = PL_diehook; |
|
|
1016 | svf [8] = PL_warnhook; |
|
|
1017 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1018 | |
|
|
1019 | load_perl (aTHX_ current); |
|
|
1020 | } |
|
|
1021 | |
|
|
1022 | { |
|
|
1023 | int i; |
|
|
1024 | |
|
|
1025 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
|
|
1026 | SvREFCNT_dec (svf [i]); |
|
|
1027 | |
951 | SvREFCNT_dec (coro->saved_deffh); |
1028 | SvREFCNT_dec (coro->saved_deffh); |
952 | SvREFCNT_dec (coro->rouse_cb); |
1029 | SvREFCNT_dec (coro->rouse_cb); |
953 | SvREFCNT_dec (coro->invoke_cb); |
1030 | SvREFCNT_dec (coro->invoke_cb); |
954 | SvREFCNT_dec (coro->invoke_av); |
1031 | SvREFCNT_dec (coro->invoke_av); |
955 | |
1032 | } |
956 | coro_destruct_stacks (aTHX); |
|
|
957 | } |
1033 | } |
958 | |
1034 | |
959 | INLINE void |
1035 | INLINE void |
960 | free_coro_mortal (pTHX) |
1036 | free_coro_mortal (pTHX) |
961 | { |
1037 | { |
… | |
… | |
969 | static int |
1045 | static int |
970 | runops_trace (pTHX) |
1046 | runops_trace (pTHX) |
971 | { |
1047 | { |
972 | COP *oldcop = 0; |
1048 | COP *oldcop = 0; |
973 | int oldcxix = -2; |
1049 | int oldcxix = -2; |
974 | struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */ |
|
|
975 | coro_cctx *cctx = coro->cctx; |
|
|
976 | |
1050 | |
977 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
1051 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
978 | { |
1052 | { |
979 | PERL_ASYNC_CHECK (); |
1053 | PERL_ASYNC_CHECK (); |
980 | |
1054 | |
981 | if (cctx->flags & CC_TRACE_ALL) |
1055 | if (cctx_current->flags & CC_TRACE_ALL) |
982 | { |
1056 | { |
983 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
1057 | if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB) |
984 | { |
1058 | { |
985 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1059 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
986 | SV **bot, **top; |
1060 | SV **bot, **top; |
987 | AV *av = newAV (); /* return values */ |
1061 | AV *av = newAV (); /* return values */ |
988 | SV **cb; |
1062 | SV **cb; |
… | |
… | |
1025 | |
1099 | |
1026 | if (PL_curcop != &PL_compiling) |
1100 | if (PL_curcop != &PL_compiling) |
1027 | { |
1101 | { |
1028 | SV **cb; |
1102 | SV **cb; |
1029 | |
1103 | |
1030 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
1104 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1031 | { |
1105 | { |
1032 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1106 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1033 | |
1107 | |
1034 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1108 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1035 | { |
1109 | { |
… | |
… | |
1058 | } |
1132 | } |
1059 | |
1133 | |
1060 | oldcxix = cxstack_ix; |
1134 | oldcxix = cxstack_ix; |
1061 | } |
1135 | } |
1062 | |
1136 | |
1063 | if (cctx->flags & CC_TRACE_LINE) |
1137 | if (cctx_current->flags & CC_TRACE_LINE) |
1064 | { |
1138 | { |
1065 | dSP; |
1139 | dSP; |
1066 | |
1140 | |
1067 | PL_runops = RUNOPS_DEFAULT; |
1141 | PL_runops = RUNOPS_DEFAULT; |
1068 | ENTER; |
1142 | ENTER; |
… | |
… | |
1087 | |
1161 | |
1088 | TAINT_NOT; |
1162 | TAINT_NOT; |
1089 | return 0; |
1163 | return 0; |
1090 | } |
1164 | } |
1091 | |
1165 | |
1092 | static struct coro_cctx *cctx_ssl_cctx; |
|
|
1093 | static struct CoroSLF cctx_ssl_frame; |
1166 | static struct CoroSLF cctx_ssl_frame; |
1094 | |
1167 | |
1095 | static void |
1168 | static void |
1096 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1169 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1097 | { |
1170 | { |
1098 | ta->prev = (struct coro *)cctx_ssl_cctx; |
|
|
1099 | ta->next = 0; |
1171 | ta->prev = 0; |
1100 | } |
1172 | } |
1101 | |
1173 | |
1102 | static int |
1174 | static int |
1103 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1175 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1104 | { |
1176 | { |
… | |
… | |
1107 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1179 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1108 | } |
1180 | } |
1109 | |
1181 | |
1110 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1182 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1111 | static void NOINLINE |
1183 | static void NOINLINE |
1112 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1184 | cctx_prepare (pTHX) |
1113 | { |
1185 | { |
1114 | PL_top_env = &PL_start_env; |
1186 | PL_top_env = &PL_start_env; |
1115 | |
1187 | |
1116 | if (cctx->flags & CC_TRACE) |
1188 | if (cctx_current->flags & CC_TRACE) |
1117 | PL_runops = runops_trace; |
1189 | PL_runops = runops_trace; |
1118 | |
1190 | |
1119 | /* we already must be executing an SLF op, there is no other valid way |
1191 | /* we already must be executing an SLF op, there is no other valid way |
1120 | * that can lead to creation of a new cctx */ |
1192 | * that can lead to creation of a new cctx */ |
1121 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1193 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1122 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1194 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1123 | |
1195 | |
1124 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1196 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1125 | cctx_ssl_cctx = cctx; |
|
|
1126 | cctx_ssl_frame = slf_frame; |
1197 | cctx_ssl_frame = slf_frame; |
1127 | |
1198 | |
1128 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1199 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1129 | slf_frame.check = slf_check_set_stacklevel; |
1200 | slf_frame.check = slf_check_set_stacklevel; |
1130 | } |
1201 | } |
… | |
… | |
1153 | /* normally we would need to skip the entersub here */ |
1224 | /* normally we would need to skip the entersub here */ |
1154 | /* not doing so will re-execute it, which is exactly what we want */ |
1225 | /* not doing so will re-execute it, which is exactly what we want */ |
1155 | /* PL_nop = PL_nop->op_next */ |
1226 | /* PL_nop = PL_nop->op_next */ |
1156 | |
1227 | |
1157 | /* inject a fake subroutine call to cctx_init */ |
1228 | /* inject a fake subroutine call to cctx_init */ |
1158 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1229 | cctx_prepare (aTHX); |
1159 | |
1230 | |
1160 | /* cctx_run is the alternative tail of transfer() */ |
1231 | /* cctx_run is the alternative tail of transfer() */ |
1161 | transfer_tail (aTHX); |
1232 | transfer_tail (aTHX); |
1162 | |
1233 | |
1163 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1234 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
… | |
… | |
1171 | /* |
1242 | /* |
1172 | * If perl-run returns we assume exit() was being called or the coro |
1243 | * If perl-run returns we assume exit() was being called or the coro |
1173 | * fell off the end, which seems to be the only valid (non-bug) |
1244 | * fell off the end, which seems to be the only valid (non-bug) |
1174 | * reason for perl_run to return. We try to exit by jumping to the |
1245 | * reason for perl_run to return. We try to exit by jumping to the |
1175 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1246 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1176 | * coroutine as Coro has no such concept |
1247 | * coroutine as Coro has no such concept. |
|
|
1248 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1249 | * that backend are too broken to do it in a standards-compliant way. |
1177 | */ |
1250 | */ |
1178 | PL_top_env = main_top_env; |
1251 | PL_top_env = main_top_env; |
1179 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1252 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1180 | } |
1253 | } |
1181 | } |
1254 | } |
… | |
… | |
1258 | cctx_destroy (coro_cctx *cctx) |
1331 | cctx_destroy (coro_cctx *cctx) |
1259 | { |
1332 | { |
1260 | if (!cctx) |
1333 | if (!cctx) |
1261 | return; |
1334 | return; |
1262 | |
1335 | |
|
|
1336 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
|
|
1337 | |
1263 | --cctx_count; |
1338 | --cctx_count; |
1264 | coro_destroy (&cctx->cctx); |
1339 | coro_destroy (&cctx->cctx); |
1265 | |
1340 | |
1266 | /* coro_transfer creates new, empty cctx's */ |
1341 | /* coro_transfer creates new, empty cctx's */ |
1267 | if (cctx->sptr) |
1342 | if (cctx->sptr) |
… | |
… | |
1330 | /* TODO: throwing up here is considered harmful */ |
1405 | /* TODO: throwing up here is considered harmful */ |
1331 | |
1406 | |
1332 | if (expect_true (prev != next)) |
1407 | if (expect_true (prev != next)) |
1333 | { |
1408 | { |
1334 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1409 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1335 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,"); |
1410 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1336 | |
1411 | |
1337 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1338 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1339 | |
|
|
1340 | if (expect_false (next->flags & CF_DESTROYED)) |
1412 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1341 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1413 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1342 | |
1414 | |
1343 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1415 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1344 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1416 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1345 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1417 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1346 | #endif |
1418 | #endif |
… | |
… | |
1352 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1424 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1353 | { |
1425 | { |
1354 | dSTACKLEVEL; |
1426 | dSTACKLEVEL; |
1355 | |
1427 | |
1356 | /* sometimes transfer is only called to set idle_sp */ |
1428 | /* sometimes transfer is only called to set idle_sp */ |
1357 | if (expect_false (!next)) |
1429 | if (expect_false (!prev)) |
1358 | { |
1430 | { |
1359 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1431 | cctx_current->idle_sp = STACKLEVEL; |
1360 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1432 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1361 | } |
1433 | } |
1362 | else if (expect_true (prev != next)) |
1434 | else if (expect_true (prev != next)) |
1363 | { |
1435 | { |
1364 | coro_cctx *prev__cctx; |
1436 | coro_cctx *cctx_prev; |
1365 | |
1437 | |
1366 | if (expect_false (prev->flags & CF_NEW)) |
1438 | if (expect_false (prev->flags & CF_NEW)) |
1367 | { |
1439 | { |
1368 | /* create a new empty/source context */ |
1440 | /* create a new empty/source context */ |
1369 | prev->cctx = cctx_new_empty (); |
|
|
1370 | prev->flags &= ~CF_NEW; |
1441 | prev->flags &= ~CF_NEW; |
1371 | prev->flags |= CF_RUNNING; |
1442 | prev->flags |= CF_RUNNING; |
1372 | } |
1443 | } |
1373 | |
1444 | |
1374 | prev->flags &= ~CF_RUNNING; |
1445 | prev->flags &= ~CF_RUNNING; |
… | |
… | |
1385 | coro_setup (aTHX_ next); |
1456 | coro_setup (aTHX_ next); |
1386 | } |
1457 | } |
1387 | else |
1458 | else |
1388 | load_perl (aTHX_ next); |
1459 | load_perl (aTHX_ next); |
1389 | |
1460 | |
1390 | prev__cctx = prev->cctx; |
|
|
1391 | |
|
|
1392 | /* possibly untie and reuse the cctx */ |
1461 | /* possibly untie and reuse the cctx */ |
1393 | if (expect_true ( |
1462 | if (expect_true ( |
1394 | prev__cctx->idle_sp == STACKLEVEL |
1463 | cctx_current->idle_sp == STACKLEVEL |
1395 | && !(prev__cctx->flags & CC_TRACE) |
1464 | && !(cctx_current->flags & CC_TRACE) |
1396 | && !force_cctx |
1465 | && !force_cctx |
1397 | )) |
1466 | )) |
1398 | { |
1467 | { |
1399 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1468 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1400 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1469 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1401 | |
1470 | |
1402 | prev->cctx = 0; |
|
|
1403 | |
|
|
1404 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1471 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1405 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1472 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1406 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1473 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1407 | if (!next->cctx) |
1474 | if (expect_true (!next->cctx)) |
1408 | next->cctx = cctx_get (aTHX); |
1475 | next->cctx = cctx_get (aTHX); |
1409 | |
1476 | |
1410 | cctx_put (prev__cctx); |
1477 | cctx_put (cctx_current); |
1411 | } |
1478 | } |
|
|
1479 | else |
|
|
1480 | prev->cctx = cctx_current; |
1412 | |
1481 | |
1413 | ++next->usecount; |
1482 | ++next->usecount; |
1414 | |
1483 | |
1415 | if (expect_true (!next->cctx)) |
1484 | cctx_prev = cctx_current; |
1416 | next->cctx = cctx_get (aTHX); |
1485 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1417 | |
1486 | |
1418 | if (expect_false (prev__cctx != next->cctx)) |
1487 | next->cctx = 0; |
|
|
1488 | |
|
|
1489 | if (expect_false (cctx_prev != cctx_current)) |
1419 | { |
1490 | { |
1420 | prev__cctx->top_env = PL_top_env; |
1491 | cctx_prev->top_env = PL_top_env; |
1421 | PL_top_env = next->cctx->top_env; |
1492 | PL_top_env = cctx_current->top_env; |
1422 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1493 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1423 | } |
1494 | } |
1424 | |
1495 | |
1425 | transfer_tail (aTHX); |
1496 | transfer_tail (aTHX); |
1426 | } |
1497 | } |
1427 | } |
1498 | } |
… | |
… | |
1435 | coro_state_destroy (pTHX_ struct coro *coro) |
1506 | coro_state_destroy (pTHX_ struct coro *coro) |
1436 | { |
1507 | { |
1437 | if (coro->flags & CF_DESTROYED) |
1508 | if (coro->flags & CF_DESTROYED) |
1438 | return 0; |
1509 | return 0; |
1439 | |
1510 | |
1440 | if (coro->on_destroy) |
1511 | if (coro->on_destroy && !PL_dirty) |
1441 | coro->on_destroy (aTHX_ coro); |
1512 | coro->on_destroy (aTHX_ coro); |
1442 | |
1513 | |
1443 | coro->flags |= CF_DESTROYED; |
1514 | coro->flags |= CF_DESTROYED; |
1444 | |
1515 | |
1445 | if (coro->flags & CF_READY) |
1516 | if (coro->flags & CF_READY) |
… | |
… | |
1449 | --coro_nready; |
1520 | --coro_nready; |
1450 | } |
1521 | } |
1451 | else |
1522 | else |
1452 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1523 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1453 | |
1524 | |
1454 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1525 | if (coro->mainstack |
1455 | { |
1526 | && coro->mainstack != main_mainstack |
1456 | struct coro temp; |
1527 | && coro->slot |
1457 | |
1528 | && !PL_dirty) |
1458 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
|
|
1459 | |
|
|
1460 | save_perl (aTHX_ &temp); |
|
|
1461 | load_perl (aTHX_ coro); |
|
|
1462 | |
|
|
1463 | coro_destruct (aTHX_ coro); |
1529 | coro_destruct_perl (aTHX_ coro); |
1464 | |
|
|
1465 | load_perl (aTHX_ &temp); |
|
|
1466 | |
|
|
1467 | coro->slot = 0; |
|
|
1468 | } |
|
|
1469 | |
1530 | |
1470 | cctx_destroy (coro->cctx); |
1531 | cctx_destroy (coro->cctx); |
1471 | SvREFCNT_dec (coro->startcv); |
1532 | SvREFCNT_dec (coro->startcv); |
1472 | SvREFCNT_dec (coro->args); |
1533 | SvREFCNT_dec (coro->args); |
1473 | SvREFCNT_dec (CORO_THROW); |
1534 | SvREFCNT_dec (CORO_THROW); |
… | |
… | |
1560 | /** Coro ********************************************************************/ |
1621 | /** Coro ********************************************************************/ |
1561 | |
1622 | |
1562 | INLINE void |
1623 | INLINE void |
1563 | coro_enq (pTHX_ struct coro *coro) |
1624 | coro_enq (pTHX_ struct coro *coro) |
1564 | { |
1625 | { |
1565 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1626 | struct coro **ready = coro_ready [coro->prio - PRIO_MIN]; |
1566 | } |
|
|
1567 | |
1627 | |
1568 | INLINE SV * |
1628 | SvREFCNT_inc_NN (coro->hv); |
|
|
1629 | |
|
|
1630 | coro->next_ready = 0; |
|
|
1631 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1632 | ready [1] = coro; |
|
|
1633 | } |
|
|
1634 | |
|
|
1635 | INLINE struct coro * |
1569 | coro_deq (pTHX) |
1636 | coro_deq (pTHX) |
1570 | { |
1637 | { |
1571 | int prio; |
1638 | int prio; |
1572 | |
1639 | |
1573 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1640 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1574 | if (AvFILLp (coro_ready [prio]) >= 0) |
1641 | { |
1575 | return av_shift (coro_ready [prio]); |
1642 | struct coro **ready = coro_ready [prio]; |
|
|
1643 | |
|
|
1644 | if (ready [0]) |
|
|
1645 | { |
|
|
1646 | struct coro *coro = ready [0]; |
|
|
1647 | ready [0] = coro->next_ready; |
|
|
1648 | return coro; |
|
|
1649 | } |
|
|
1650 | } |
1576 | |
1651 | |
1577 | return 0; |
1652 | return 0; |
1578 | } |
1653 | } |
1579 | |
1654 | |
1580 | static int |
1655 | static int |
… | |
… | |
1582 | { |
1657 | { |
1583 | struct coro *coro; |
1658 | struct coro *coro; |
1584 | SV *sv_hook; |
1659 | SV *sv_hook; |
1585 | void (*xs_hook)(void); |
1660 | void (*xs_hook)(void); |
1586 | |
1661 | |
1587 | if (SvROK (coro_sv)) |
|
|
1588 | coro_sv = SvRV (coro_sv); |
|
|
1589 | |
|
|
1590 | coro = SvSTATE (coro_sv); |
1662 | coro = SvSTATE (coro_sv); |
1591 | |
1663 | |
1592 | if (coro->flags & CF_READY) |
1664 | if (coro->flags & CF_READY) |
1593 | return 0; |
1665 | return 0; |
1594 | |
1666 | |
… | |
… | |
1647 | static void |
1719 | static void |
1648 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1720 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1649 | { |
1721 | { |
1650 | for (;;) |
1722 | for (;;) |
1651 | { |
1723 | { |
1652 | SV *next_sv = coro_deq (aTHX); |
1724 | struct coro *next = coro_deq (aTHX); |
1653 | |
1725 | |
1654 | if (expect_true (next_sv)) |
1726 | if (expect_true (next)) |
1655 | { |
1727 | { |
1656 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1657 | |
|
|
1658 | /* cannot transfer to destroyed coros, skip and look for next */ |
1728 | /* cannot transfer to destroyed coros, skip and look for next */ |
1659 | if (expect_false (next->flags & CF_DESTROYED)) |
1729 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1660 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
1730 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1661 | else |
1731 | else |
1662 | { |
1732 | { |
1663 | next->flags &= ~CF_READY; |
1733 | next->flags &= ~CF_READY; |
1664 | --coro_nready; |
1734 | --coro_nready; |
1665 | |
1735 | |
… | |
… | |
1668 | } |
1738 | } |
1669 | } |
1739 | } |
1670 | else |
1740 | else |
1671 | { |
1741 | { |
1672 | /* nothing to schedule: call the idle handler */ |
1742 | /* nothing to schedule: call the idle handler */ |
|
|
1743 | if (SvROK (sv_idle) |
|
|
1744 | && SvOBJECT (SvRV (sv_idle))) |
|
|
1745 | { |
|
|
1746 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
|
|
1747 | api_ready (aTHX_ SvRV (sv_idle)); |
|
|
1748 | --coro_nready; |
|
|
1749 | } |
|
|
1750 | else |
|
|
1751 | { |
1673 | dSP; |
1752 | dSP; |
1674 | |
1753 | |
1675 | ENTER; |
1754 | ENTER; |
1676 | SAVETMPS; |
1755 | SAVETMPS; |
1677 | |
1756 | |
1678 | PUSHMARK (SP); |
1757 | PUSHMARK (SP); |
1679 | PUTBACK; |
1758 | PUTBACK; |
1680 | call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD); |
1759 | call_sv (sv_idle, G_VOID | G_DISCARD); |
1681 | |
1760 | |
1682 | FREETMPS; |
1761 | FREETMPS; |
1683 | LEAVE; |
1762 | LEAVE; |
|
|
1763 | } |
1684 | } |
1764 | } |
1685 | } |
1765 | } |
1686 | } |
1766 | } |
1687 | |
1767 | |
1688 | INLINE void |
1768 | INLINE void |
… | |
… | |
1759 | static void |
1839 | static void |
1760 | api_trace (pTHX_ SV *coro_sv, int flags) |
1840 | api_trace (pTHX_ SV *coro_sv, int flags) |
1761 | { |
1841 | { |
1762 | struct coro *coro = SvSTATE (coro_sv); |
1842 | struct coro *coro = SvSTATE (coro_sv); |
1763 | |
1843 | |
|
|
1844 | if (coro->flags & CF_RUNNING) |
|
|
1845 | croak ("cannot enable tracing on a running coroutine, caught"); |
|
|
1846 | |
1764 | if (flags & CC_TRACE) |
1847 | if (flags & CC_TRACE) |
1765 | { |
1848 | { |
1766 | if (!coro->cctx) |
1849 | if (!coro->cctx) |
1767 | coro->cctx = cctx_new_run (); |
1850 | coro->cctx = cctx_new_run (); |
1768 | else if (!(coro->cctx->flags & CC_TRACE)) |
1851 | else if (!(coro->cctx->flags & CC_TRACE)) |
1769 | croak ("cannot enable tracing on coroutine with custom stack,"); |
1852 | croak ("cannot enable tracing on coroutine with custom stack, caught"); |
1770 | |
1853 | |
1771 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1854 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1772 | } |
1855 | } |
1773 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1856 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1774 | { |
1857 | { |
… | |
… | |
1830 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
1913 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
1831 | api_ready (aTHX_ sv_manager); |
1914 | api_ready (aTHX_ sv_manager); |
1832 | |
1915 | |
1833 | frame->prepare = prepare_schedule; |
1916 | frame->prepare = prepare_schedule; |
1834 | frame->check = slf_check_repeat; |
1917 | frame->check = slf_check_repeat; |
|
|
1918 | |
|
|
1919 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
1920 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
1921 | /*coro_unwind_stacks (aTHX);*/ |
1835 | } |
1922 | } |
1836 | |
1923 | |
1837 | /*****************************************************************************/ |
1924 | /*****************************************************************************/ |
1838 | /* async pool handler */ |
1925 | /* async pool handler */ |
1839 | |
1926 | |
… | |
… | |
1922 | SV *data = (SV *)GENSUB_ARG; |
2009 | SV *data = (SV *)GENSUB_ARG; |
1923 | |
2010 | |
1924 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2011 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1925 | { |
2012 | { |
1926 | /* first call, set args */ |
2013 | /* first call, set args */ |
|
|
2014 | SV *coro = SvRV (data); |
1927 | AV *av = newAV (); |
2015 | AV *av = newAV (); |
1928 | SV *coro = SvRV (data); |
|
|
1929 | |
2016 | |
1930 | SvRV_set (data, (SV *)av); |
2017 | SvRV_set (data, (SV *)av); |
1931 | api_ready (aTHX_ coro); |
|
|
1932 | SvREFCNT_dec (coro); |
|
|
1933 | |
2018 | |
1934 | /* better take a full copy of the arguments */ |
2019 | /* better take a full copy of the arguments */ |
1935 | while (items--) |
2020 | while (items--) |
1936 | av_store (av, items, newSVsv (ST (items))); |
2021 | av_store (av, items, newSVsv (ST (items))); |
|
|
2022 | |
|
|
2023 | api_ready (aTHX_ coro); |
|
|
2024 | SvREFCNT_dec (coro); |
1937 | } |
2025 | } |
1938 | |
2026 | |
1939 | XSRETURN_EMPTY; |
2027 | XSRETURN_EMPTY; |
1940 | } |
2028 | } |
1941 | |
2029 | |
… | |
… | |
1958 | |
2046 | |
1959 | EXTEND (SP, AvFILLp (av) + 1); |
2047 | EXTEND (SP, AvFILLp (av) + 1); |
1960 | for (i = 0; i <= AvFILLp (av); ++i) |
2048 | for (i = 0; i <= AvFILLp (av); ++i) |
1961 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2049 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
1962 | |
2050 | |
1963 | /* we have stolen the elements, so ste length to zero and free */ |
2051 | /* we have stolen the elements, so set length to zero and free */ |
1964 | AvFILLp (av) = -1; |
2052 | AvFILLp (av) = -1; |
1965 | av_undef (av); |
2053 | av_undef (av); |
1966 | |
2054 | |
1967 | PUTBACK; |
2055 | PUTBACK; |
1968 | } |
2056 | } |
… | |
… | |
2258 | |
2346 | |
2259 | PL_op->op_ppaddr = pp_slf; |
2347 | PL_op->op_ppaddr = pp_slf; |
2260 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2348 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2261 | |
2349 | |
2262 | PL_op = (OP *)&slf_restore; |
2350 | PL_op = (OP *)&slf_restore; |
|
|
2351 | } |
|
|
2352 | |
|
|
2353 | /*****************************************************************************/ |
|
|
2354 | /* dynamic wind */ |
|
|
2355 | |
|
|
2356 | static void |
|
|
2357 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2358 | { |
|
|
2359 | dSP; |
|
|
2360 | |
|
|
2361 | PUSHSTACK; |
|
|
2362 | |
|
|
2363 | PUSHMARK (SP); |
|
|
2364 | PUTBACK; |
|
|
2365 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2366 | SPAGAIN; |
|
|
2367 | |
|
|
2368 | POPSTACK; |
|
|
2369 | } |
|
|
2370 | |
|
|
2371 | static SV * |
|
|
2372 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2373 | { |
|
|
2374 | AV *av = *avp; |
|
|
2375 | SV *res = av_pop (av); |
|
|
2376 | |
|
|
2377 | if (AvFILLp (av) < 0) |
|
|
2378 | { |
|
|
2379 | *avp = 0; |
|
|
2380 | SvREFCNT_dec (av); |
|
|
2381 | } |
|
|
2382 | |
|
|
2383 | return res; |
|
|
2384 | } |
|
|
2385 | |
|
|
2386 | static void |
|
|
2387 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2388 | { |
|
|
2389 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2390 | SvREFCNT_dec (cb); |
|
|
2391 | } |
|
|
2392 | |
|
|
2393 | static void |
|
|
2394 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2395 | { |
|
|
2396 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2397 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2263 | } |
2398 | } |
2264 | |
2399 | |
2265 | /*****************************************************************************/ |
2400 | /*****************************************************************************/ |
2266 | /* PerlIO::cede */ |
2401 | /* PerlIO::cede */ |
2267 | |
2402 | |
… | |
… | |
2348 | SV **ary; |
2483 | SV **ary; |
2349 | |
2484 | |
2350 | /* unfortunately, building manually saves memory */ |
2485 | /* unfortunately, building manually saves memory */ |
2351 | Newx (ary, 2, SV *); |
2486 | Newx (ary, 2, SV *); |
2352 | AvALLOC (av) = ary; |
2487 | AvALLOC (av) = ary; |
|
|
2488 | #if PERL_VERSION_ATLEAST (5,10,0) |
2353 | /*AvARRAY (av) = ary;*/ |
2489 | AvARRAY (av) = ary; |
|
|
2490 | #else |
2354 | SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */ |
2491 | /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */ |
|
|
2492 | /* -DDEBUGGING flags this as a bug, despite it perfectly working */ |
|
|
2493 | SvPVX ((SV *)av) = (char *)ary; |
|
|
2494 | #endif |
2355 | AvMAX (av) = 1; |
2495 | AvMAX (av) = 1; |
2356 | AvFILLp (av) = 0; |
2496 | AvFILLp (av) = 0; |
2357 | ary [0] = newSViv (count); |
2497 | ary [0] = newSViv (count); |
2358 | |
2498 | |
2359 | return newRV_noinc ((SV *)av); |
2499 | return newRV_noinc ((SV *)av); |
… | |
… | |
2746 | coro_thx = PERL_GET_CONTEXT; |
2886 | coro_thx = PERL_GET_CONTEXT; |
2747 | # endif |
2887 | # endif |
2748 | #endif |
2888 | #endif |
2749 | BOOT_PAGESIZE; |
2889 | BOOT_PAGESIZE; |
2750 | |
2890 | |
|
|
2891 | cctx_current = cctx_new_empty (); |
|
|
2892 | |
2751 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2893 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2752 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2894 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2753 | |
2895 | |
2754 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2896 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2755 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
2897 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
… | |
… | |
2881 | _exit (int code) |
3023 | _exit (int code) |
2882 | PROTOTYPE: $ |
3024 | PROTOTYPE: $ |
2883 | CODE: |
3025 | CODE: |
2884 | _exit (code); |
3026 | _exit (code); |
2885 | |
3027 | |
2886 | #if CORO_CLONE |
|
|
2887 | |
|
|
2888 | SV * |
3028 | SV * |
2889 | clone (Coro::State coro) |
3029 | clone (Coro::State coro) |
2890 | CODE: |
3030 | CODE: |
2891 | { |
3031 | { |
|
|
3032 | #if CORO_CLONE |
2892 | struct coro *ncoro = coro_clone (coro); |
3033 | struct coro *ncoro = coro_clone (aTHX_ coro); |
2893 | MAGIC *mg; |
3034 | MAGIC *mg; |
2894 | /* TODO: too much duplication */ |
3035 | /* TODO: too much duplication */ |
2895 | ncoro->hv = newHV (); |
3036 | ncoro->hv = newHV (); |
2896 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
3037 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
2897 | mg->mg_flags |= MGf_DUP; |
3038 | mg->mg_flags |= MGf_DUP; |
2898 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
3039 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
|
|
3040 | #else |
|
|
3041 | croak ("Coro::State->clone has not been configured into this installation of Coro, realised"); |
|
|
3042 | #endif |
2899 | } |
3043 | } |
2900 | OUTPUT: |
3044 | OUTPUT: |
2901 | RETVAL |
3045 | RETVAL |
2902 | |
|
|
2903 | #endif |
|
|
2904 | |
3046 | |
2905 | int |
3047 | int |
2906 | cctx_stacksize (int new_stacksize = 0) |
3048 | cctx_stacksize (int new_stacksize = 0) |
2907 | PROTOTYPE: ;$ |
3049 | PROTOTYPE: ;$ |
2908 | CODE: |
3050 | CODE: |
… | |
… | |
2958 | eval = 1 |
3100 | eval = 1 |
2959 | CODE: |
3101 | CODE: |
2960 | { |
3102 | { |
2961 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3103 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2962 | { |
3104 | { |
2963 | struct coro temp; |
3105 | struct coro *current = SvSTATE_current; |
2964 | |
3106 | |
2965 | if (!(coro->flags & CF_RUNNING)) |
3107 | if (current != coro) |
2966 | { |
3108 | { |
2967 | PUTBACK; |
3109 | PUTBACK; |
2968 | save_perl (aTHX_ &temp); |
3110 | save_perl (aTHX_ current); |
2969 | load_perl (aTHX_ coro); |
3111 | load_perl (aTHX_ coro); |
|
|
3112 | SPAGAIN; |
2970 | } |
3113 | } |
2971 | |
3114 | |
2972 | { |
|
|
2973 | dSP; |
|
|
2974 | ENTER; |
|
|
2975 | SAVETMPS; |
|
|
2976 | PUTBACK; |
|
|
2977 | PUSHSTACK; |
3115 | PUSHSTACK; |
|
|
3116 | |
2978 | PUSHMARK (SP); |
3117 | PUSHMARK (SP); |
|
|
3118 | PUTBACK; |
2979 | |
3119 | |
2980 | if (ix) |
3120 | if (ix) |
2981 | eval_sv (coderef, 0); |
3121 | eval_sv (coderef, 0); |
2982 | else |
3122 | else |
2983 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3123 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2984 | |
3124 | |
2985 | POPSTACK; |
3125 | POPSTACK; |
2986 | SPAGAIN; |
3126 | SPAGAIN; |
2987 | FREETMPS; |
|
|
2988 | LEAVE; |
|
|
2989 | PUTBACK; |
|
|
2990 | } |
|
|
2991 | |
3127 | |
2992 | if (!(coro->flags & CF_RUNNING)) |
3128 | if (current != coro) |
2993 | { |
3129 | { |
|
|
3130 | PUTBACK; |
2994 | save_perl (aTHX_ coro); |
3131 | save_perl (aTHX_ coro); |
2995 | load_perl (aTHX_ &temp); |
3132 | load_perl (aTHX_ current); |
2996 | SPAGAIN; |
3133 | SPAGAIN; |
2997 | } |
3134 | } |
2998 | } |
3135 | } |
2999 | } |
3136 | } |
3000 | |
3137 | |
… | |
… | |
3004 | ALIAS: |
3141 | ALIAS: |
3005 | is_ready = CF_READY |
3142 | is_ready = CF_READY |
3006 | is_running = CF_RUNNING |
3143 | is_running = CF_RUNNING |
3007 | is_new = CF_NEW |
3144 | is_new = CF_NEW |
3008 | is_destroyed = CF_DESTROYED |
3145 | is_destroyed = CF_DESTROYED |
|
|
3146 | is_suspended = CF_SUSPENDED |
3009 | CODE: |
3147 | CODE: |
3010 | RETVAL = boolSV (coro->flags & ix); |
3148 | RETVAL = boolSV (coro->flags & ix); |
3011 | OUTPUT: |
3149 | OUTPUT: |
3012 | RETVAL |
3150 | RETVAL |
3013 | |
3151 | |
… | |
… | |
3029 | |
3167 | |
3030 | SV * |
3168 | SV * |
3031 | has_cctx (Coro::State coro) |
3169 | has_cctx (Coro::State coro) |
3032 | PROTOTYPE: $ |
3170 | PROTOTYPE: $ |
3033 | CODE: |
3171 | CODE: |
3034 | RETVAL = boolSV (!!coro->cctx); |
3172 | /* maybe manage the running flag differently */ |
|
|
3173 | RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING)); |
3035 | OUTPUT: |
3174 | OUTPUT: |
3036 | RETVAL |
3175 | RETVAL |
3037 | |
3176 | |
3038 | int |
3177 | int |
3039 | is_traced (Coro::State coro) |
3178 | is_traced (Coro::State coro) |
… | |
… | |
3059 | |
3198 | |
3060 | void |
3199 | void |
3061 | force_cctx () |
3200 | force_cctx () |
3062 | PROTOTYPE: |
3201 | PROTOTYPE: |
3063 | CODE: |
3202 | CODE: |
3064 | SvSTATE_current->cctx->idle_sp = 0; |
3203 | cctx_current->idle_sp = 0; |
3065 | |
3204 | |
3066 | void |
3205 | void |
3067 | swap_defsv (Coro::State self) |
3206 | swap_defsv (Coro::State self) |
3068 | PROTOTYPE: $ |
3207 | PROTOTYPE: $ |
3069 | ALIAS: |
3208 | ALIAS: |
… | |
… | |
3077 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3216 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3078 | |
3217 | |
3079 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3218 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3080 | } |
3219 | } |
3081 | |
3220 | |
|
|
3221 | void |
|
|
3222 | cancel (Coro::State self) |
|
|
3223 | CODE: |
|
|
3224 | coro_state_destroy (aTHX_ self); |
|
|
3225 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3226 | |
3082 | |
3227 | |
3083 | MODULE = Coro::State PACKAGE = Coro |
3228 | MODULE = Coro::State PACKAGE = Coro |
3084 | |
3229 | |
3085 | BOOT: |
3230 | BOOT: |
3086 | { |
3231 | { |
3087 | int i; |
|
|
3088 | |
|
|
3089 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3232 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3090 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3233 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3091 | cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); |
3234 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3092 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
3235 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
3093 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3236 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3094 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3237 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3095 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3238 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3096 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3239 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3240 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3097 | |
3241 | |
3098 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3242 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3099 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3243 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3100 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3244 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3101 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3245 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
… | |
… | |
3106 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3250 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3107 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3251 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3108 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3252 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3109 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3253 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3110 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3254 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3111 | |
|
|
3112 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
3113 | coro_ready[i] = newAV (); |
|
|
3114 | |
3255 | |
3115 | { |
3256 | { |
3116 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3257 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3117 | |
3258 | |
3118 | coroapi.schedule = api_schedule; |
3259 | coroapi.schedule = api_schedule; |
… | |
… | |
3159 | cede_notself (...) |
3300 | cede_notself (...) |
3160 | CODE: |
3301 | CODE: |
3161 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3302 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3162 | |
3303 | |
3163 | void |
3304 | void |
3164 | _cancel (Coro::State self) |
|
|
3165 | CODE: |
|
|
3166 | coro_state_destroy (aTHX_ self); |
|
|
3167 | coro_call_on_destroy (aTHX_ self); |
|
|
3168 | |
|
|
3169 | void |
|
|
3170 | _set_current (SV *current) |
3305 | _set_current (SV *current) |
3171 | PROTOTYPE: $ |
3306 | PROTOTYPE: $ |
3172 | CODE: |
3307 | CODE: |
3173 | SvREFCNT_dec (SvRV (coro_current)); |
3308 | SvREFCNT_dec (SvRV (coro_current)); |
3174 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
3309 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
… | |
… | |
3216 | PROTOTYPE: |
3351 | PROTOTYPE: |
3217 | CODE: |
3352 | CODE: |
3218 | RETVAL = coro_nready; |
3353 | RETVAL = coro_nready; |
3219 | OUTPUT: |
3354 | OUTPUT: |
3220 | RETVAL |
3355 | RETVAL |
|
|
3356 | |
|
|
3357 | void |
|
|
3358 | suspend (Coro::State self) |
|
|
3359 | PROTOTYPE: $ |
|
|
3360 | CODE: |
|
|
3361 | self->flags |= CF_SUSPENDED; |
|
|
3362 | |
|
|
3363 | void |
|
|
3364 | resume (Coro::State self) |
|
|
3365 | PROTOTYPE: $ |
|
|
3366 | CODE: |
|
|
3367 | self->flags &= ~CF_SUSPENDED; |
3221 | |
3368 | |
3222 | void |
3369 | void |
3223 | _pool_handler (...) |
3370 | _pool_handler (...) |
3224 | CODE: |
3371 | CODE: |
3225 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3372 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
… | |
… | |
3280 | rouse_wait (...) |
3427 | rouse_wait (...) |
3281 | PROTOTYPE: ;$ |
3428 | PROTOTYPE: ;$ |
3282 | PPCODE: |
3429 | PPCODE: |
3283 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3430 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3284 | |
3431 | |
|
|
3432 | void |
|
|
3433 | on_enter (SV *block) |
|
|
3434 | ALIAS: |
|
|
3435 | on_leave = 1 |
|
|
3436 | PROTOTYPE: & |
|
|
3437 | CODE: |
|
|
3438 | { |
|
|
3439 | struct coro *coro = SvSTATE_current; |
|
|
3440 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
3441 | |
|
|
3442 | block = (SV *)coro_sv_2cv (aTHX_ block); |
|
|
3443 | |
|
|
3444 | if (!*avp) |
|
|
3445 | *avp = newAV (); |
|
|
3446 | |
|
|
3447 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
3448 | |
|
|
3449 | if (!ix) |
|
|
3450 | on_enterleave_call (aTHX_ block); |
|
|
3451 | |
|
|
3452 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3453 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
3454 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3455 | } |
|
|
3456 | |
3285 | |
3457 | |
3286 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3458 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3287 | |
3459 | |
3288 | BOOT: |
3460 | BOOT: |
3289 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3461 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
… | |
… | |
3299 | GvSTASH (CvGV (cv)) |
3471 | GvSTASH (CvGV (cv)) |
3300 | ); |
3472 | ); |
3301 | OUTPUT: |
3473 | OUTPUT: |
3302 | RETVAL |
3474 | RETVAL |
3303 | |
3475 | |
3304 | # helper for Coro::Channel |
3476 | # helper for Coro::Channel and others |
3305 | SV * |
3477 | SV * |
3306 | _alloc (int count) |
3478 | _alloc (int count) |
3307 | CODE: |
3479 | CODE: |
3308 | RETVAL = coro_waitarray_new (aTHX_ count); |
3480 | RETVAL = coro_waitarray_new (aTHX_ count); |
3309 | OUTPUT: |
3481 | OUTPUT: |
… | |
… | |
3367 | for (i = 1; i <= wcount; ++i) |
3539 | for (i = 1; i <= wcount; ++i) |
3368 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3540 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3369 | } |
3541 | } |
3370 | } |
3542 | } |
3371 | |
3543 | |
|
|
3544 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
3545 | |
|
|
3546 | void |
|
|
3547 | _may_delete (SV *sem, int count, int extra_refs) |
|
|
3548 | PPCODE: |
|
|
3549 | { |
|
|
3550 | AV *av = (AV *)SvRV (sem); |
|
|
3551 | |
|
|
3552 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
3553 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
3554 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
3555 | XSRETURN_YES; |
|
|
3556 | |
|
|
3557 | XSRETURN_NO; |
|
|
3558 | } |
|
|
3559 | |
3372 | MODULE = Coro::State PACKAGE = Coro::Signal |
3560 | MODULE = Coro::State PACKAGE = Coro::Signal |
3373 | |
3561 | |
3374 | SV * |
3562 | SV * |
3375 | new (SV *klass) |
3563 | new (SV *klass) |
3376 | CODE: |
3564 | CODE: |