… | |
… | |
16 | |
16 | |
17 | #ifdef WIN32 |
17 | #ifdef WIN32 |
18 | # undef setjmp |
18 | # undef setjmp |
19 | # undef longjmp |
19 | # undef longjmp |
20 | # undef _exit |
20 | # undef _exit |
21 | # define setjmp _setjmp // deep magic, don't ask |
21 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
22 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
23 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
24 | #endif |
25 | |
25 | |
26 | #ifdef HAVE_MMAP |
26 | #ifdef HAVE_MMAP |
… | |
… | |
55 | |
55 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
57 | (PERL_REVISION > (a) \ |
57 | (PERL_REVISION > (a) \ |
58 | || (PERL_REVISION == (a) \ |
58 | || (PERL_REVISION == (a) \ |
59 | && (PERL_VERSION > (b) \ |
59 | && (PERL_VERSION > (b) \ |
60 | || (PERL_VERSION == (b) && PERLSUBVERSION >= (c))))) |
60 | || (PERL_VERSION == (b) && PERL_SUBVERSION >= (c))))) |
61 | |
61 | |
62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
63 | # ifndef PL_ppaddr |
63 | # ifndef PL_ppaddr |
64 | # define PL_ppaddr ppaddr |
64 | # define PL_ppaddr ppaddr |
65 | # endif |
65 | # endif |
… | |
… | |
98 | # define newSV(l) NEWSV(0,l) |
98 | # define newSV(l) NEWSV(0,l) |
99 | #endif |
99 | #endif |
100 | #ifndef CvISXSUB_on |
100 | #ifndef CvISXSUB_on |
101 | # define CvISXSUB_on(cv) (void)cv |
101 | # define CvISXSUB_on(cv) (void)cv |
102 | #endif |
102 | #endif |
|
|
103 | #ifndef CvISXSUB |
|
|
104 | # define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE) |
|
|
105 | #endif |
|
|
106 | #ifndef Newx |
|
|
107 | # define Newx(ptr,nitems,type) New (0,ptr,nitems,type) |
|
|
108 | #endif |
103 | |
109 | |
104 | /* 5.8.7 */ |
110 | /* 5.8.7 */ |
105 | #ifndef SvRV_set |
111 | #ifndef SvRV_set |
106 | # define SvRV_set(s,v) SvRV(s) = (v) |
112 | # define SvRV_set(s,v) SvRV(s) = (v) |
107 | #endif |
113 | #endif |
… | |
… | |
127 | #else |
133 | #else |
128 | # define dSTACKLEVEL volatile void *stacklevel |
134 | # define dSTACKLEVEL volatile void *stacklevel |
129 | # define STACKLEVEL ((void *)&stacklevel) |
135 | # define STACKLEVEL ((void *)&stacklevel) |
130 | #endif |
136 | #endif |
131 | |
137 | |
132 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
138 | #define IN_DESTRUCT PL_dirty |
133 | |
139 | |
134 | #if __GNUC__ >= 3 |
140 | #if __GNUC__ >= 3 |
135 | # define attribute(x) __attribute__(x) |
141 | # define attribute(x) __attribute__(x) |
136 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
142 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
137 | # define INLINE static inline |
143 | # define INLINE static inline |
… | |
… | |
167 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
173 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
168 | static JMPENV *main_top_env; |
174 | static JMPENV *main_top_env; |
169 | static HV *coro_state_stash, *coro_stash; |
175 | static HV *coro_state_stash, *coro_stash; |
170 | 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 */ |
171 | |
177 | |
|
|
178 | static AV *av_destroy; /* destruction queue */ |
|
|
179 | static SV *sv_manager; /* the manager coro */ |
|
|
180 | static SV *sv_idle; /* $Coro::idle */ |
|
|
181 | |
172 | static GV *irsgv; /* $/ */ |
182 | static GV *irsgv; /* $/ */ |
173 | static GV *stdoutgv; /* *STDOUT */ |
183 | static GV *stdoutgv; /* *STDOUT */ |
174 | static SV *rv_diehook; |
184 | static SV *rv_diehook; |
175 | static SV *rv_warnhook; |
185 | static SV *rv_warnhook; |
176 | static HV *hv_sig; /* %SIG */ |
186 | static HV *hv_sig; /* %SIG */ |
177 | |
187 | |
178 | /* async_pool helper stuff */ |
188 | /* async_pool helper stuff */ |
179 | static SV *sv_pool_rss; |
189 | static SV *sv_pool_rss; |
180 | static SV *sv_pool_size; |
190 | static SV *sv_pool_size; |
|
|
191 | static SV *sv_async_pool_idle; /* description string */ |
181 | static AV *av_async_pool; |
192 | static AV *av_async_pool; /* idle pool */ |
|
|
193 | static SV *sv_Coro; /* class string */ |
|
|
194 | static CV *cv_pool_handler; |
|
|
195 | static CV *cv_coro_state_new; |
182 | |
196 | |
183 | /* Coro::AnyEvent */ |
197 | /* Coro::AnyEvent */ |
184 | static SV *sv_activity; |
198 | static SV *sv_activity; |
185 | |
199 | |
186 | static struct coro_cctx *cctx_first; |
200 | static struct coro_cctx *cctx_first; |
… | |
… | |
215 | int valgrind_id; |
229 | int valgrind_id; |
216 | #endif |
230 | #endif |
217 | unsigned char flags; |
231 | unsigned char flags; |
218 | } coro_cctx; |
232 | } coro_cctx; |
219 | |
233 | |
|
|
234 | coro_cctx *cctx_current; /* the currently running cctx */ |
|
|
235 | |
|
|
236 | /*****************************************************************************/ |
|
|
237 | |
220 | enum { |
238 | enum { |
221 | CF_RUNNING = 0x0001, /* coroutine is running */ |
239 | CF_RUNNING = 0x0001, /* coroutine is running */ |
222 | CF_READY = 0x0002, /* coroutine is ready */ |
240 | CF_READY = 0x0002, /* coroutine is ready */ |
223 | CF_NEW = 0x0004, /* has never been switched to */ |
241 | CF_NEW = 0x0004, /* has never been switched to */ |
224 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
242 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
… | |
… | |
229 | { |
247 | { |
230 | SV *defsv; |
248 | SV *defsv; |
231 | AV *defav; |
249 | AV *defav; |
232 | SV *errsv; |
250 | SV *errsv; |
233 | SV *irsgv; |
251 | SV *irsgv; |
|
|
252 | HV *hinthv; |
234 | #define VAR(name,type) type name; |
253 | #define VAR(name,type) type name; |
235 | # include "state.h" |
254 | # include "state.h" |
236 | #undef VAR |
255 | #undef VAR |
237 | } perl_slots; |
256 | } perl_slots; |
238 | |
257 | |
… | |
… | |
246 | /* state data */ |
265 | /* state data */ |
247 | struct CoroSLF slf_frame; /* saved slf frame */ |
266 | struct CoroSLF slf_frame; /* saved slf frame */ |
248 | AV *mainstack; |
267 | AV *mainstack; |
249 | perl_slots *slot; /* basically the saved sp */ |
268 | perl_slots *slot; /* basically the saved sp */ |
250 | |
269 | |
|
|
270 | CV *startcv; /* the CV to execute */ |
251 | AV *args; /* data associated with this coroutine (initial args) */ |
271 | AV *args; /* data associated with this coroutine (initial args) */ |
252 | int refcnt; /* coroutines are refcounted, yes */ |
272 | int refcnt; /* coroutines are refcounted, yes */ |
253 | int flags; /* CF_ flags */ |
273 | int flags; /* CF_ flags */ |
254 | HV *hv; /* the perl hash associated with this coro, if any */ |
274 | HV *hv; /* the perl hash associated with this coro, if any */ |
255 | void (*on_destroy)(pTHX_ struct coro *coro); |
275 | void (*on_destroy)(pTHX_ struct coro *coro); |
256 | |
276 | |
257 | /* statistics */ |
277 | /* statistics */ |
258 | int usecount; /* number of transfers to this coro */ |
278 | int usecount; /* number of transfers to this coro */ |
259 | |
279 | |
260 | /* coro process data */ |
280 | /* coro process data */ |
261 | int prio; |
281 | int prio; |
262 | SV *except; /* exception to be thrown */ |
282 | SV *except; /* exception to be thrown */ |
|
|
283 | SV *rouse_cb; |
263 | |
284 | |
264 | /* async_pool */ |
285 | /* async_pool */ |
265 | SV *saved_deffh; |
286 | SV *saved_deffh; |
|
|
287 | SV *invoke_cb; |
|
|
288 | AV *invoke_av; |
266 | |
289 | |
267 | /* linked list */ |
290 | /* linked list */ |
268 | struct coro *next, *prev; |
291 | struct coro *next, *prev; |
269 | }; |
292 | }; |
270 | |
293 | |
… | |
… | |
287 | |
310 | |
288 | /* for Coro.pm */ |
311 | /* for Coro.pm */ |
289 | static SV *coro_current; |
312 | static SV *coro_current; |
290 | static SV *coro_readyhook; |
313 | static SV *coro_readyhook; |
291 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
314 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
|
|
315 | static CV *cv_coro_run, *cv_coro_terminate; |
292 | static struct coro *coro_first; |
316 | static struct coro *coro_first; |
293 | #define coro_nready coroapi.nready |
317 | #define coro_nready coroapi.nready |
294 | |
318 | |
295 | /** lowlevel stuff **********************************************************/ |
319 | /** lowlevel stuff **********************************************************/ |
296 | |
320 | |
… | |
… | |
322 | get_hv (name, create); |
346 | get_hv (name, create); |
323 | #endif |
347 | #endif |
324 | return get_hv (name, create); |
348 | return get_hv (name, create); |
325 | } |
349 | } |
326 | |
350 | |
|
|
351 | /* may croak */ |
|
|
352 | INLINE CV * |
|
|
353 | coro_sv_2cv (pTHX_ SV *sv) |
|
|
354 | { |
|
|
355 | HV *st; |
|
|
356 | GV *gvp; |
|
|
357 | return sv_2cv (sv, &st, &gvp, 0); |
|
|
358 | } |
|
|
359 | |
|
|
360 | /*****************************************************************************/ |
|
|
361 | /* magic glue */ |
|
|
362 | |
|
|
363 | #define CORO_MAGIC_type_cv 26 |
|
|
364 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
365 | |
|
|
366 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
367 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
368 | ? SvMAGIC (sv) \ |
|
|
369 | : mg_find (sv, type)) |
|
|
370 | |
|
|
371 | #define CORO_MAGIC(sv, type) \ |
|
|
372 | (expect_true (SvMAGIC (sv)) \ |
|
|
373 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
374 | : 0) |
|
|
375 | |
|
|
376 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
377 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
378 | |
|
|
379 | INLINE struct coro * |
|
|
380 | SvSTATE_ (pTHX_ SV *coro) |
|
|
381 | { |
|
|
382 | HV *stash; |
|
|
383 | MAGIC *mg; |
|
|
384 | |
|
|
385 | if (SvROK (coro)) |
|
|
386 | coro = SvRV (coro); |
|
|
387 | |
|
|
388 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
389 | croak ("Coro::State object required"); |
|
|
390 | |
|
|
391 | stash = SvSTASH (coro); |
|
|
392 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
393 | { |
|
|
394 | /* very slow, but rare, check */ |
|
|
395 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
396 | croak ("Coro::State object required"); |
|
|
397 | } |
|
|
398 | |
|
|
399 | mg = CORO_MAGIC_state (coro); |
|
|
400 | return (struct coro *)mg->mg_ptr; |
|
|
401 | } |
|
|
402 | |
|
|
403 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
404 | |
|
|
405 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
406 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
407 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
408 | |
|
|
409 | /*****************************************************************************/ |
|
|
410 | /* padlist management and caching */ |
|
|
411 | |
327 | static AV * |
412 | static AV * |
328 | coro_clone_padlist (pTHX_ CV *cv) |
413 | coro_derive_padlist (pTHX_ CV *cv) |
329 | { |
414 | { |
330 | AV *padlist = CvPADLIST (cv); |
415 | AV *padlist = CvPADLIST (cv); |
331 | AV *newpadlist, *newpad; |
416 | AV *newpadlist, *newpad; |
332 | |
417 | |
333 | newpadlist = newAV (); |
418 | newpadlist = newAV (); |
… | |
… | |
338 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
423 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
339 | #endif |
424 | #endif |
340 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
425 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
341 | --AvFILLp (padlist); |
426 | --AvFILLp (padlist); |
342 | |
427 | |
343 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
428 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
344 | av_store (newpadlist, 1, (SV *)newpad); |
429 | av_store (newpadlist, 1, (SV *)newpad); |
345 | |
430 | |
346 | return newpadlist; |
431 | return newpadlist; |
347 | } |
432 | } |
348 | |
433 | |
349 | static void |
434 | static void |
350 | free_padlist (pTHX_ AV *padlist) |
435 | free_padlist (pTHX_ AV *padlist) |
351 | { |
436 | { |
352 | /* may be during global destruction */ |
437 | /* may be during global destruction */ |
353 | if (SvREFCNT (padlist)) |
438 | if (!IN_DESTRUCT) |
354 | { |
439 | { |
355 | I32 i = AvFILLp (padlist); |
440 | I32 i = AvFILLp (padlist); |
356 | while (i >= 0) |
441 | |
|
|
442 | while (i > 0) /* special-case index 0 */ |
357 | { |
443 | { |
358 | SV **svp = av_fetch (padlist, i--, FALSE); |
444 | /* we try to be extra-careful here */ |
359 | if (svp) |
445 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
360 | { |
446 | I32 j = AvFILLp (av); |
361 | SV *sv; |
447 | |
362 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
448 | while (j >= 0) |
|
|
449 | SvREFCNT_dec (AvARRAY (av)[j--]); |
|
|
450 | |
|
|
451 | AvFILLp (av) = -1; |
363 | SvREFCNT_dec (sv); |
452 | SvREFCNT_dec (av); |
364 | |
|
|
365 | SvREFCNT_dec (*svp); |
|
|
366 | } |
|
|
367 | } |
453 | } |
368 | |
454 | |
|
|
455 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
|
|
456 | |
|
|
457 | AvFILLp (padlist) = -1; |
369 | SvREFCNT_dec ((SV*)padlist); |
458 | SvREFCNT_dec ((SV*)padlist); |
370 | } |
459 | } |
371 | } |
460 | } |
372 | |
461 | |
373 | static int |
462 | static int |
… | |
… | |
382 | |
471 | |
383 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
472 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
384 | |
473 | |
385 | return 0; |
474 | return 0; |
386 | } |
475 | } |
387 | |
|
|
388 | #define CORO_MAGIC_type_cv 26 |
|
|
389 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
390 | |
476 | |
391 | static MGVTBL coro_cv_vtbl = { |
477 | static MGVTBL coro_cv_vtbl = { |
392 | 0, 0, 0, 0, |
478 | 0, 0, 0, 0, |
393 | coro_cv_free |
479 | coro_cv_free |
394 | }; |
480 | }; |
395 | |
|
|
396 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
397 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
398 | ? SvMAGIC (sv) \ |
|
|
399 | : mg_find (sv, type)) |
|
|
400 | |
|
|
401 | #define CORO_MAGIC(sv, type) \ |
|
|
402 | (expect_true (SvMAGIC (sv)) \ |
|
|
403 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
404 | : 0) |
|
|
405 | |
|
|
406 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
407 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
408 | |
|
|
409 | INLINE struct coro * |
|
|
410 | SvSTATE_ (pTHX_ SV *coro) |
|
|
411 | { |
|
|
412 | HV *stash; |
|
|
413 | MAGIC *mg; |
|
|
414 | |
|
|
415 | if (SvROK (coro)) |
|
|
416 | coro = SvRV (coro); |
|
|
417 | |
|
|
418 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
419 | croak ("Coro::State object required"); |
|
|
420 | |
|
|
421 | stash = SvSTASH (coro); |
|
|
422 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
423 | { |
|
|
424 | /* very slow, but rare, check */ |
|
|
425 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
426 | croak ("Coro::State object required"); |
|
|
427 | } |
|
|
428 | |
|
|
429 | mg = CORO_MAGIC_state (coro); |
|
|
430 | return (struct coro *)mg->mg_ptr; |
|
|
431 | } |
|
|
432 | |
|
|
433 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
434 | |
|
|
435 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
436 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
437 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
438 | |
481 | |
439 | /* the next two functions merely cache the padlists */ |
482 | /* the next two functions merely cache the padlists */ |
440 | static void |
483 | static void |
441 | get_padlist (pTHX_ CV *cv) |
484 | get_padlist (pTHX_ CV *cv) |
442 | { |
485 | { |
… | |
… | |
448 | else |
491 | else |
449 | { |
492 | { |
450 | #if CORO_PREFER_PERL_FUNCTIONS |
493 | #if CORO_PREFER_PERL_FUNCTIONS |
451 | /* this is probably cleaner? but also slower! */ |
494 | /* this is probably cleaner? but also slower! */ |
452 | /* in practise, it seems to be less stable */ |
495 | /* in practise, it seems to be less stable */ |
453 | CV *cp = Perl_cv_clone (cv); |
496 | CV *cp = Perl_cv_clone (aTHX_ cv); |
454 | CvPADLIST (cv) = CvPADLIST (cp); |
497 | CvPADLIST (cv) = CvPADLIST (cp); |
455 | CvPADLIST (cp) = 0; |
498 | CvPADLIST (cp) = 0; |
456 | SvREFCNT_dec (cp); |
499 | SvREFCNT_dec (cp); |
457 | #else |
500 | #else |
458 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
501 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
459 | #endif |
502 | #endif |
460 | } |
503 | } |
461 | } |
504 | } |
462 | |
505 | |
463 | static void |
506 | static void |
… | |
… | |
470 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
513 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
471 | |
514 | |
472 | av = (AV *)mg->mg_obj; |
515 | av = (AV *)mg->mg_obj; |
473 | |
516 | |
474 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
517 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
475 | av_extend (av, AvMAX (av) + 1); |
518 | av_extend (av, AvFILLp (av) + 1); |
476 | |
519 | |
477 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
520 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
478 | } |
521 | } |
479 | |
522 | |
480 | /** load & save, init *******************************************************/ |
523 | /** load & save, init *******************************************************/ |
… | |
… | |
485 | perl_slots *slot = c->slot; |
528 | perl_slots *slot = c->slot; |
486 | c->slot = 0; |
529 | c->slot = 0; |
487 | |
530 | |
488 | PL_mainstack = c->mainstack; |
531 | PL_mainstack = c->mainstack; |
489 | |
532 | |
490 | GvSV (PL_defgv) = slot->defsv; |
533 | GvSV (PL_defgv) = slot->defsv; |
491 | GvAV (PL_defgv) = slot->defav; |
534 | GvAV (PL_defgv) = slot->defav; |
492 | GvSV (PL_errgv) = slot->errsv; |
535 | GvSV (PL_errgv) = slot->errsv; |
493 | GvSV (irsgv) = slot->irsgv; |
536 | GvSV (irsgv) = slot->irsgv; |
|
|
537 | GvHV (PL_hintgv) = slot->hinthv; |
494 | |
538 | |
495 | #define VAR(name,type) PL_ ## name = slot->name; |
539 | #define VAR(name,type) PL_ ## name = slot->name; |
496 | # include "state.h" |
540 | # include "state.h" |
497 | #undef VAR |
541 | #undef VAR |
498 | |
542 | |
… | |
… | |
584 | c->mainstack = PL_mainstack; |
628 | c->mainstack = PL_mainstack; |
585 | |
629 | |
586 | { |
630 | { |
587 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
631 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
588 | |
632 | |
589 | slot->defav = GvAV (PL_defgv); |
633 | slot->defav = GvAV (PL_defgv); |
590 | slot->defsv = DEFSV; |
634 | slot->defsv = DEFSV; |
591 | slot->errsv = ERRSV; |
635 | slot->errsv = ERRSV; |
592 | slot->irsgv = GvSV (irsgv); |
636 | slot->irsgv = GvSV (irsgv); |
|
|
637 | slot->hinthv = GvHV (PL_hintgv); |
593 | |
638 | |
594 | #define VAR(name,type) slot->name = PL_ ## name; |
639 | #define VAR(name,type) slot->name = PL_ ## name; |
595 | # include "state.h" |
640 | # include "state.h" |
596 | #undef VAR |
641 | #undef VAR |
597 | } |
642 | } |
… | |
… | |
602 | * of perl.c:init_stacks, except that it uses less memory |
647 | * of perl.c:init_stacks, except that it uses less memory |
603 | * on the (sometimes correct) assumption that coroutines do |
648 | * on the (sometimes correct) assumption that coroutines do |
604 | * not usually need a lot of stackspace. |
649 | * not usually need a lot of stackspace. |
605 | */ |
650 | */ |
606 | #if CORO_PREFER_PERL_FUNCTIONS |
651 | #if CORO_PREFER_PERL_FUNCTIONS |
607 | # define coro_init_stacks init_stacks |
652 | # define coro_init_stacks(thx) init_stacks () |
608 | #else |
653 | #else |
609 | static void |
654 | static void |
610 | coro_init_stacks (pTHX) |
655 | coro_init_stacks (pTHX) |
611 | { |
656 | { |
612 | PL_curstackinfo = new_stackinfo(32, 8); |
657 | PL_curstackinfo = new_stackinfo(32, 8); |
… | |
… | |
675 | #if !PERL_VERSION_ATLEAST (5,10,0) |
720 | #if !PERL_VERSION_ATLEAST (5,10,0) |
676 | Safefree (PL_retstack); |
721 | Safefree (PL_retstack); |
677 | #endif |
722 | #endif |
678 | } |
723 | } |
679 | |
724 | |
|
|
725 | #define CORO_RSS \ |
|
|
726 | rss += sizeof (SYM (curstackinfo)); \ |
|
|
727 | rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \ |
|
|
728 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \ |
|
|
729 | rss += SYM (tmps_max) * sizeof (SV *); \ |
|
|
730 | rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \ |
|
|
731 | rss += SYM (scopestack_max) * sizeof (I32); \ |
|
|
732 | rss += SYM (savestack_max) * sizeof (ANY); |
|
|
733 | |
680 | static size_t |
734 | static size_t |
681 | coro_rss (pTHX_ struct coro *coro) |
735 | coro_rss (pTHX_ struct coro *coro) |
682 | { |
736 | { |
683 | size_t rss = sizeof (*coro); |
737 | size_t rss = sizeof (*coro); |
684 | |
738 | |
685 | if (coro->mainstack) |
739 | if (coro->mainstack) |
686 | { |
740 | { |
687 | perl_slots tmp_slot; |
|
|
688 | perl_slots *slot; |
|
|
689 | |
|
|
690 | if (coro->flags & CF_RUNNING) |
741 | if (coro->flags & CF_RUNNING) |
691 | { |
742 | { |
692 | slot = &tmp_slot; |
743 | #define SYM(sym) PL_ ## sym |
693 | |
744 | CORO_RSS; |
694 | #define VAR(name,type) slot->name = PL_ ## name; |
|
|
695 | # include "state.h" |
|
|
696 | #undef VAR |
745 | #undef SYM |
697 | } |
746 | } |
698 | else |
747 | else |
699 | slot = coro->slot; |
|
|
700 | |
|
|
701 | if (slot) |
|
|
702 | { |
748 | { |
703 | rss += sizeof (slot->curstackinfo); |
749 | #define SYM(sym) coro->slot->sym |
704 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
750 | CORO_RSS; |
705 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
751 | #undef SYM |
706 | rss += slot->tmps_max * sizeof (SV *); |
|
|
707 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
|
|
708 | rss += slot->scopestack_max * sizeof (I32); |
|
|
709 | rss += slot->savestack_max * sizeof (ANY); |
|
|
710 | |
|
|
711 | #if !PERL_VERSION_ATLEAST (5,10,0) |
|
|
712 | rss += slot->retstack_max * sizeof (OP *); |
|
|
713 | #endif |
|
|
714 | } |
752 | } |
715 | } |
753 | } |
716 | |
754 | |
717 | return rss; |
755 | return rss; |
718 | } |
756 | } |
… | |
… | |
820 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
858 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
821 | { |
859 | { |
822 | return 0; |
860 | return 0; |
823 | } |
861 | } |
824 | |
862 | |
|
|
863 | static int |
|
|
864 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
|
|
865 | { |
|
|
866 | return 1; |
|
|
867 | } |
|
|
868 | |
825 | static UNOP coro_setup_op; |
869 | static UNOP coro_setup_op; |
826 | |
870 | |
827 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
871 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
828 | coro_setup (pTHX_ struct coro *coro) |
872 | coro_setup (pTHX_ struct coro *coro) |
829 | { |
873 | { |
… | |
… | |
834 | |
878 | |
835 | PL_runops = RUNOPS_DEFAULT; |
879 | PL_runops = RUNOPS_DEFAULT; |
836 | PL_curcop = &PL_compiling; |
880 | PL_curcop = &PL_compiling; |
837 | PL_in_eval = EVAL_NULL; |
881 | PL_in_eval = EVAL_NULL; |
838 | PL_comppad = 0; |
882 | PL_comppad = 0; |
|
|
883 | PL_comppad_name = 0; |
|
|
884 | PL_comppad_name_fill = 0; |
|
|
885 | PL_comppad_name_floor = 0; |
839 | PL_curpm = 0; |
886 | PL_curpm = 0; |
840 | PL_curpad = 0; |
887 | PL_curpad = 0; |
841 | PL_localizing = 0; |
888 | PL_localizing = 0; |
842 | PL_dirty = 0; |
889 | PL_dirty = 0; |
843 | PL_restartop = 0; |
890 | PL_restartop = 0; |
844 | #if PERL_VERSION_ATLEAST (5,10,0) |
891 | #if PERL_VERSION_ATLEAST (5,10,0) |
845 | PL_parser = 0; |
892 | PL_parser = 0; |
846 | #endif |
893 | #endif |
|
|
894 | PL_hints = 0; |
847 | |
895 | |
848 | /* recreate the die/warn hooks */ |
896 | /* recreate the die/warn hooks */ |
849 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
897 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
850 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
898 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
851 | |
899 | |
852 | GvSV (PL_defgv) = newSV (0); |
900 | GvSV (PL_defgv) = newSV (0); |
853 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
901 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
854 | GvSV (PL_errgv) = newSV (0); |
902 | GvSV (PL_errgv) = newSV (0); |
855 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
903 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
904 | GvHV (PL_hintgv) = 0; |
856 | PL_rs = newSVsv (GvSV (irsgv)); |
905 | PL_rs = newSVsv (GvSV (irsgv)); |
857 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
906 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
858 | |
907 | |
859 | { |
908 | { |
860 | dSP; |
909 | dSP; |
861 | UNOP myop; |
910 | UNOP myop; |
862 | |
911 | |
863 | Zero (&myop, 1, UNOP); |
912 | Zero (&myop, 1, UNOP); |
864 | myop.op_next = Nullop; |
913 | myop.op_next = Nullop; |
|
|
914 | myop.op_type = OP_ENTERSUB; |
865 | myop.op_flags = OPf_WANT_VOID; |
915 | myop.op_flags = OPf_WANT_VOID; |
866 | |
916 | |
867 | PUSHMARK (SP); |
917 | PUSHMARK (SP); |
868 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
918 | PUSHs ((SV *)coro->startcv); |
869 | PUTBACK; |
919 | PUTBACK; |
870 | PL_op = (OP *)&myop; |
920 | PL_op = (OP *)&myop; |
871 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
921 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
872 | SPAGAIN; |
|
|
873 | } |
922 | } |
874 | |
923 | |
875 | /* this newly created coroutine might be run on an existing cctx which most |
924 | /* this newly created coroutine might be run on an existing cctx which most |
876 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
925 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
877 | */ |
926 | */ |
878 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
927 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
879 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
928 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
880 | |
929 | |
881 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
930 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
882 | coro_setup_op.op_next = PL_op; |
931 | coro_setup_op.op_next = PL_op; |
883 | coro_setup_op.op_type = OP_CUSTOM; |
932 | coro_setup_op.op_type = OP_ENTERSUB; |
884 | coro_setup_op.op_ppaddr = pp_slf; |
933 | coro_setup_op.op_ppaddr = pp_slf; |
885 | /* no flags required, as an init function won't be called */ |
934 | /* no flags etc. required, as an init function won't be called */ |
886 | |
935 | |
887 | PL_op = (OP *)&coro_setup_op; |
936 | PL_op = (OP *)&coro_setup_op; |
888 | |
937 | |
889 | /* copy throw, in case it was set before coro_setup */ |
938 | /* copy throw, in case it was set before coro_setup */ |
890 | CORO_THROW = coro->except; |
939 | CORO_THROW = coro->except; |
… | |
… | |
914 | SvREFCNT_dec (GvAV (PL_defgv)); |
963 | SvREFCNT_dec (GvAV (PL_defgv)); |
915 | SvREFCNT_dec (GvSV (PL_errgv)); |
964 | SvREFCNT_dec (GvSV (PL_errgv)); |
916 | SvREFCNT_dec (PL_defoutgv); |
965 | SvREFCNT_dec (PL_defoutgv); |
917 | SvREFCNT_dec (PL_rs); |
966 | SvREFCNT_dec (PL_rs); |
918 | SvREFCNT_dec (GvSV (irsgv)); |
967 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
968 | SvREFCNT_dec (GvHV (PL_hintgv)); |
919 | |
969 | |
920 | SvREFCNT_dec (PL_diehook); |
970 | SvREFCNT_dec (PL_diehook); |
921 | SvREFCNT_dec (PL_warnhook); |
971 | SvREFCNT_dec (PL_warnhook); |
922 | |
972 | |
923 | SvREFCNT_dec (coro->saved_deffh); |
973 | SvREFCNT_dec (coro->saved_deffh); |
924 | SvREFCNT_dec (CORO_THROW); |
974 | SvREFCNT_dec (coro->rouse_cb); |
|
|
975 | SvREFCNT_dec (coro->invoke_cb); |
|
|
976 | SvREFCNT_dec (coro->invoke_av); |
925 | |
977 | |
926 | coro_destruct_stacks (aTHX); |
978 | coro_destruct_stacks (aTHX); |
927 | } |
979 | } |
928 | |
980 | |
929 | INLINE void |
981 | INLINE void |
… | |
… | |
939 | static int |
991 | static int |
940 | runops_trace (pTHX) |
992 | runops_trace (pTHX) |
941 | { |
993 | { |
942 | COP *oldcop = 0; |
994 | COP *oldcop = 0; |
943 | int oldcxix = -2; |
995 | int oldcxix = -2; |
944 | struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */ |
|
|
945 | coro_cctx *cctx = coro->cctx; |
|
|
946 | |
996 | |
947 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
997 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
948 | { |
998 | { |
949 | PERL_ASYNC_CHECK (); |
999 | PERL_ASYNC_CHECK (); |
950 | |
1000 | |
951 | if (cctx->flags & CC_TRACE_ALL) |
1001 | if (cctx_current->flags & CC_TRACE_ALL) |
952 | { |
1002 | { |
953 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
1003 | if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB) |
954 | { |
1004 | { |
955 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1005 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
956 | SV **bot, **top; |
1006 | SV **bot, **top; |
957 | AV *av = newAV (); /* return values */ |
1007 | AV *av = newAV (); /* return values */ |
958 | SV **cb; |
1008 | SV **cb; |
… | |
… | |
995 | |
1045 | |
996 | if (PL_curcop != &PL_compiling) |
1046 | if (PL_curcop != &PL_compiling) |
997 | { |
1047 | { |
998 | SV **cb; |
1048 | SV **cb; |
999 | |
1049 | |
1000 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
1050 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1001 | { |
1051 | { |
1002 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1052 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1003 | |
1053 | |
1004 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1054 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1005 | { |
1055 | { |
1006 | runops_proc_t old_runops = PL_runops; |
|
|
1007 | dSP; |
1056 | dSP; |
1008 | GV *gv = CvGV (cx->blk_sub.cv); |
1057 | GV *gv = CvGV (cx->blk_sub.cv); |
1009 | SV *fullname = sv_2mortal (newSV (0)); |
1058 | SV *fullname = sv_2mortal (newSV (0)); |
1010 | |
1059 | |
1011 | if (isGV (gv)) |
1060 | if (isGV (gv)) |
… | |
… | |
1016 | SAVETMPS; |
1065 | SAVETMPS; |
1017 | EXTEND (SP, 3); |
1066 | EXTEND (SP, 3); |
1018 | PUSHMARK (SP); |
1067 | PUSHMARK (SP); |
1019 | PUSHs (&PL_sv_yes); |
1068 | PUSHs (&PL_sv_yes); |
1020 | PUSHs (fullname); |
1069 | PUSHs (fullname); |
1021 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1070 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1022 | PUTBACK; |
1071 | PUTBACK; |
1023 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1072 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1024 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1073 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1025 | SPAGAIN; |
1074 | SPAGAIN; |
1026 | FREETMPS; |
1075 | FREETMPS; |
… | |
… | |
1029 | } |
1078 | } |
1030 | |
1079 | |
1031 | oldcxix = cxstack_ix; |
1080 | oldcxix = cxstack_ix; |
1032 | } |
1081 | } |
1033 | |
1082 | |
1034 | if (cctx->flags & CC_TRACE_LINE) |
1083 | if (cctx_current->flags & CC_TRACE_LINE) |
1035 | { |
1084 | { |
1036 | dSP; |
1085 | dSP; |
1037 | |
1086 | |
1038 | PL_runops = RUNOPS_DEFAULT; |
1087 | PL_runops = RUNOPS_DEFAULT; |
1039 | ENTER; |
1088 | ENTER; |
… | |
… | |
1058 | |
1107 | |
1059 | TAINT_NOT; |
1108 | TAINT_NOT; |
1060 | return 0; |
1109 | return 0; |
1061 | } |
1110 | } |
1062 | |
1111 | |
1063 | static struct coro_cctx *cctx_ssl_cctx; |
|
|
1064 | static struct CoroSLF cctx_ssl_frame; |
1112 | static struct CoroSLF cctx_ssl_frame; |
1065 | |
1113 | |
1066 | static void |
1114 | static void |
1067 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1115 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1068 | { |
1116 | { |
1069 | ta->prev = (struct coro *)cctx_ssl_cctx; |
|
|
1070 | ta->next = 0; |
1117 | ta->prev = 0; |
1071 | } |
1118 | } |
1072 | |
1119 | |
1073 | static int |
1120 | static int |
1074 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1121 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1075 | { |
1122 | { |
… | |
… | |
1078 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1125 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1079 | } |
1126 | } |
1080 | |
1127 | |
1081 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1128 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1082 | static void NOINLINE |
1129 | static void NOINLINE |
1083 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1130 | cctx_prepare (pTHX) |
1084 | { |
1131 | { |
1085 | PL_top_env = &PL_start_env; |
1132 | PL_top_env = &PL_start_env; |
1086 | |
1133 | |
1087 | if (cctx->flags & CC_TRACE) |
1134 | if (cctx_current->flags & CC_TRACE) |
1088 | PL_runops = runops_trace; |
1135 | PL_runops = runops_trace; |
1089 | |
1136 | |
1090 | /* we already must be executing an SLF op, there is no other valid way |
1137 | /* we already must be executing an SLF op, there is no other valid way |
1091 | * that can lead to creation of a new cctx */ |
1138 | * that can lead to creation of a new cctx */ |
1092 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1139 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1093 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1140 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1094 | |
1141 | |
1095 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1142 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1096 | cctx_ssl_cctx = cctx; |
|
|
1097 | cctx_ssl_frame = slf_frame; |
1143 | cctx_ssl_frame = slf_frame; |
1098 | |
1144 | |
1099 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1145 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1100 | slf_frame.check = slf_check_set_stacklevel; |
1146 | slf_frame.check = slf_check_set_stacklevel; |
1101 | } |
1147 | } |
… | |
… | |
1124 | /* normally we would need to skip the entersub here */ |
1170 | /* normally we would need to skip the entersub here */ |
1125 | /* not doing so will re-execute it, which is exactly what we want */ |
1171 | /* not doing so will re-execute it, which is exactly what we want */ |
1126 | /* PL_nop = PL_nop->op_next */ |
1172 | /* PL_nop = PL_nop->op_next */ |
1127 | |
1173 | |
1128 | /* inject a fake subroutine call to cctx_init */ |
1174 | /* inject a fake subroutine call to cctx_init */ |
1129 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1175 | cctx_prepare (aTHX); |
1130 | |
1176 | |
1131 | /* cctx_run is the alternative tail of transfer() */ |
1177 | /* cctx_run is the alternative tail of transfer() */ |
1132 | transfer_tail (aTHX); |
1178 | transfer_tail (aTHX); |
1133 | |
1179 | |
1134 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1180 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1135 | PL_restartop = PL_op; |
1181 | PL_restartop = PL_op; |
1136 | perl_run (PL_curinterp); |
1182 | perl_run (PL_curinterp); |
|
|
1183 | /* |
|
|
1184 | * Unfortunately, there is no way to get at the return values of the |
|
|
1185 | * coro body here, as perl_run destroys these |
|
|
1186 | */ |
1137 | |
1187 | |
1138 | /* |
1188 | /* |
1139 | * If perl-run returns we assume exit() was being called or the coro |
1189 | * If perl-run returns we assume exit() was being called or the coro |
1140 | * fell off the end, which seems to be the only valid (non-bug) |
1190 | * fell off the end, which seems to be the only valid (non-bug) |
1141 | * reason for perl_run to return. We try to exit by jumping to the |
1191 | * reason for perl_run to return. We try to exit by jumping to the |
1142 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1192 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1143 | * coroutine as Coro has no such concept |
1193 | * coroutine as Coro has no such concept. |
|
|
1194 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1195 | * that backend are too broken to do it in a standards-compliant way. |
1144 | */ |
1196 | */ |
1145 | PL_top_env = main_top_env; |
1197 | PL_top_env = main_top_env; |
1146 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1198 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1147 | } |
1199 | } |
1148 | } |
1200 | } |
… | |
… | |
1225 | cctx_destroy (coro_cctx *cctx) |
1277 | cctx_destroy (coro_cctx *cctx) |
1226 | { |
1278 | { |
1227 | if (!cctx) |
1279 | if (!cctx) |
1228 | return; |
1280 | return; |
1229 | |
1281 | |
|
|
1282 | assert (cctx != cctx_current);//D temporary |
|
|
1283 | |
1230 | --cctx_count; |
1284 | --cctx_count; |
1231 | coro_destroy (&cctx->cctx); |
1285 | coro_destroy (&cctx->cctx); |
1232 | |
1286 | |
1233 | /* coro_transfer creates new, empty cctx's */ |
1287 | /* coro_transfer creates new, empty cctx's */ |
1234 | if (cctx->sptr) |
1288 | if (cctx->sptr) |
… | |
… | |
1297 | /* TODO: throwing up here is considered harmful */ |
1351 | /* TODO: throwing up here is considered harmful */ |
1298 | |
1352 | |
1299 | if (expect_true (prev != next)) |
1353 | if (expect_true (prev != next)) |
1300 | { |
1354 | { |
1301 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1355 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1302 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,"); |
1356 | croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,"); |
1303 | |
1357 | |
1304 | if (expect_false (next->flags & CF_RUNNING)) |
1358 | if (expect_false (next->flags & CF_RUNNING)) |
1305 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
1359 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
1306 | |
1360 | |
1307 | if (expect_false (next->flags & CF_DESTROYED)) |
1361 | if (expect_false (next->flags & CF_DESTROYED)) |
… | |
… | |
1319 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1373 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1320 | { |
1374 | { |
1321 | dSTACKLEVEL; |
1375 | dSTACKLEVEL; |
1322 | |
1376 | |
1323 | /* sometimes transfer is only called to set idle_sp */ |
1377 | /* sometimes transfer is only called to set idle_sp */ |
1324 | if (expect_false (!next)) |
1378 | if (expect_false (!prev)) |
1325 | { |
1379 | { |
1326 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1380 | cctx_current->idle_sp = STACKLEVEL; |
1327 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1381 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1328 | } |
1382 | } |
1329 | else if (expect_true (prev != next)) |
1383 | else if (expect_true (prev != next)) |
1330 | { |
1384 | { |
1331 | coro_cctx *prev__cctx; |
1385 | coro_cctx *cctx_prev; |
1332 | |
1386 | |
1333 | if (expect_false (prev->flags & CF_NEW)) |
1387 | if (expect_false (prev->flags & CF_NEW)) |
1334 | { |
1388 | { |
1335 | /* create a new empty/source context */ |
1389 | /* create a new empty/source context */ |
1336 | prev->cctx = cctx_new_empty (); |
|
|
1337 | prev->flags &= ~CF_NEW; |
1390 | prev->flags &= ~CF_NEW; |
1338 | prev->flags |= CF_RUNNING; |
1391 | prev->flags |= CF_RUNNING; |
1339 | } |
1392 | } |
1340 | |
1393 | |
1341 | prev->flags &= ~CF_RUNNING; |
1394 | prev->flags &= ~CF_RUNNING; |
… | |
… | |
1352 | coro_setup (aTHX_ next); |
1405 | coro_setup (aTHX_ next); |
1353 | } |
1406 | } |
1354 | else |
1407 | else |
1355 | load_perl (aTHX_ next); |
1408 | load_perl (aTHX_ next); |
1356 | |
1409 | |
1357 | prev__cctx = prev->cctx; |
1410 | assert (!prev->cctx);//D temporary |
1358 | |
1411 | |
1359 | /* possibly untie and reuse the cctx */ |
1412 | /* possibly untie and reuse the cctx */ |
1360 | if (expect_true ( |
1413 | if (expect_true ( |
1361 | prev__cctx->idle_sp == STACKLEVEL |
1414 | cctx_current->idle_sp == STACKLEVEL |
1362 | && !(prev__cctx->flags & CC_TRACE) |
1415 | && !(cctx_current->flags & CC_TRACE) |
1363 | && !force_cctx |
1416 | && !force_cctx |
1364 | )) |
1417 | )) |
1365 | { |
1418 | { |
1366 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1419 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1367 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1420 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1368 | |
1421 | |
1369 | prev->cctx = 0; |
|
|
1370 | |
|
|
1371 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1422 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1372 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1423 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1373 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1424 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1374 | if (!next->cctx) |
1425 | if (expect_true (!next->cctx)) |
1375 | next->cctx = cctx_get (aTHX); |
1426 | next->cctx = cctx_get (aTHX); |
1376 | |
1427 | |
1377 | cctx_put (prev__cctx); |
1428 | cctx_put (cctx_current); |
1378 | } |
1429 | } |
|
|
1430 | else |
|
|
1431 | prev->cctx = cctx_current; |
1379 | |
1432 | |
1380 | ++next->usecount; |
1433 | ++next->usecount; |
1381 | |
1434 | |
1382 | if (expect_true (!next->cctx)) |
1435 | cctx_prev = cctx_current; |
1383 | next->cctx = cctx_get (aTHX); |
1436 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1384 | |
1437 | |
1385 | if (expect_false (prev__cctx != next->cctx)) |
1438 | next->cctx = 0; |
|
|
1439 | |
|
|
1440 | if (expect_false (cctx_prev != cctx_current)) |
1386 | { |
1441 | { |
1387 | prev__cctx->top_env = PL_top_env; |
1442 | cctx_prev->top_env = PL_top_env; |
1388 | PL_top_env = next->cctx->top_env; |
1443 | PL_top_env = cctx_current->top_env; |
1389 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1444 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1390 | } |
1445 | } |
1391 | |
1446 | |
1392 | transfer_tail (aTHX); |
1447 | transfer_tail (aTHX); |
1393 | } |
1448 | } |
1394 | } |
1449 | } |
… | |
… | |
1433 | |
1488 | |
1434 | coro->slot = 0; |
1489 | coro->slot = 0; |
1435 | } |
1490 | } |
1436 | |
1491 | |
1437 | cctx_destroy (coro->cctx); |
1492 | cctx_destroy (coro->cctx); |
|
|
1493 | SvREFCNT_dec (coro->startcv); |
1438 | SvREFCNT_dec (coro->args); |
1494 | SvREFCNT_dec (coro->args); |
|
|
1495 | SvREFCNT_dec (CORO_THROW); |
1439 | |
1496 | |
1440 | if (coro->next) coro->next->prev = coro->prev; |
1497 | if (coro->next) coro->next->prev = coro->prev; |
1441 | if (coro->prev) coro->prev->next = coro->next; |
1498 | if (coro->prev) coro->prev->next = coro->next; |
1442 | if (coro == coro_first) coro_first = coro->next; |
1499 | if (coro == coro_first) coro_first = coro->next; |
1443 | |
1500 | |
… | |
… | |
1497 | |
1554 | |
1498 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1555 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1499 | TRANSFER (ta, 1); |
1556 | TRANSFER (ta, 1); |
1500 | } |
1557 | } |
1501 | |
1558 | |
|
|
1559 | /*****************************************************************************/ |
|
|
1560 | /* gensub: simple closure generation utility */ |
|
|
1561 | |
|
|
1562 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1563 | |
|
|
1564 | /* create a closure from XS, returns a code reference */ |
|
|
1565 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1566 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1567 | static SV * |
|
|
1568 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1569 | { |
|
|
1570 | CV *cv = (CV *)newSV (0); |
|
|
1571 | |
|
|
1572 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1573 | |
|
|
1574 | CvANON_on (cv); |
|
|
1575 | CvISXSUB_on (cv); |
|
|
1576 | CvXSUB (cv) = xsub; |
|
|
1577 | GENSUB_ARG = arg; |
|
|
1578 | |
|
|
1579 | return newRV_noinc ((SV *)cv); |
|
|
1580 | } |
|
|
1581 | |
1502 | /** Coro ********************************************************************/ |
1582 | /** Coro ********************************************************************/ |
1503 | |
1583 | |
1504 | INLINE void |
1584 | INLINE void |
1505 | coro_enq (pTHX_ struct coro *coro) |
1585 | coro_enq (pTHX_ struct coro *coro) |
1506 | { |
1586 | { |
… | |
… | |
1524 | { |
1604 | { |
1525 | struct coro *coro; |
1605 | struct coro *coro; |
1526 | SV *sv_hook; |
1606 | SV *sv_hook; |
1527 | void (*xs_hook)(void); |
1607 | void (*xs_hook)(void); |
1528 | |
1608 | |
1529 | if (SvROK (coro_sv)) |
|
|
1530 | coro_sv = SvRV (coro_sv); |
|
|
1531 | |
|
|
1532 | coro = SvSTATE (coro_sv); |
1609 | coro = SvSTATE (coro_sv); |
1533 | |
1610 | |
1534 | if (coro->flags & CF_READY) |
1611 | if (coro->flags & CF_READY) |
1535 | return 0; |
1612 | return 0; |
1536 | |
1613 | |
… | |
… | |
1567 | api_is_ready (pTHX_ SV *coro_sv) |
1644 | api_is_ready (pTHX_ SV *coro_sv) |
1568 | { |
1645 | { |
1569 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1646 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1570 | } |
1647 | } |
1571 | |
1648 | |
|
|
1649 | /* expects to own a reference to next->hv */ |
1572 | INLINE void |
1650 | INLINE void |
1573 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1651 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1574 | { |
1652 | { |
1575 | SV *prev_sv, *next_sv; |
|
|
1576 | |
|
|
1577 | for (;;) |
|
|
1578 | { |
|
|
1579 | next_sv = coro_deq (aTHX); |
|
|
1580 | |
|
|
1581 | /* nothing to schedule: call the idle handler */ |
|
|
1582 | if (expect_false (!next_sv)) |
|
|
1583 | { |
|
|
1584 | dSP; |
|
|
1585 | |
|
|
1586 | ENTER; |
|
|
1587 | SAVETMPS; |
|
|
1588 | |
|
|
1589 | PUSHMARK (SP); |
|
|
1590 | PUTBACK; |
|
|
1591 | call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD); |
|
|
1592 | |
|
|
1593 | FREETMPS; |
|
|
1594 | LEAVE; |
|
|
1595 | continue; |
|
|
1596 | } |
|
|
1597 | |
|
|
1598 | ta->next = SvSTATE_hv (next_sv); |
|
|
1599 | |
|
|
1600 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1601 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
|
|
1602 | { |
|
|
1603 | SvREFCNT_dec (next_sv); |
|
|
1604 | /* coro_nready has already been taken care of by destroy */ |
|
|
1605 | continue; |
|
|
1606 | } |
|
|
1607 | |
|
|
1608 | --coro_nready; |
|
|
1609 | break; |
|
|
1610 | } |
|
|
1611 | |
|
|
1612 | /* free this only after the transfer */ |
|
|
1613 | prev_sv = SvRV (coro_current); |
1653 | SV *prev_sv = SvRV (coro_current); |
|
|
1654 | |
1614 | ta->prev = SvSTATE_hv (prev_sv); |
1655 | ta->prev = SvSTATE_hv (prev_sv); |
|
|
1656 | ta->next = next; |
|
|
1657 | |
1615 | TRANSFER_CHECK (*ta); |
1658 | TRANSFER_CHECK (*ta); |
1616 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
1659 | |
1617 | ta->next->flags &= ~CF_READY; |
|
|
1618 | SvRV_set (coro_current, next_sv); |
1660 | SvRV_set (coro_current, (SV *)next->hv); |
1619 | |
1661 | |
1620 | free_coro_mortal (aTHX); |
1662 | free_coro_mortal (aTHX); |
1621 | coro_mortal = prev_sv; |
1663 | coro_mortal = prev_sv; |
1622 | } |
1664 | } |
1623 | |
1665 | |
|
|
1666 | static void |
|
|
1667 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
|
|
1668 | { |
|
|
1669 | for (;;) |
|
|
1670 | { |
|
|
1671 | SV *next_sv = coro_deq (aTHX); |
|
|
1672 | |
|
|
1673 | if (expect_true (next_sv)) |
|
|
1674 | { |
|
|
1675 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1676 | |
|
|
1677 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1678 | if (expect_false (next->flags & CF_DESTROYED)) |
|
|
1679 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
|
|
1680 | else |
|
|
1681 | { |
|
|
1682 | next->flags &= ~CF_READY; |
|
|
1683 | --coro_nready; |
|
|
1684 | |
|
|
1685 | prepare_schedule_to (aTHX_ ta, next); |
|
|
1686 | break; |
|
|
1687 | } |
|
|
1688 | } |
|
|
1689 | else |
|
|
1690 | { |
|
|
1691 | /* nothing to schedule: call the idle handler */ |
|
|
1692 | if (SvROK (sv_idle) |
|
|
1693 | && SvOBJECT (SvRV (sv_idle))) |
|
|
1694 | { |
|
|
1695 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
|
|
1696 | api_ready (aTHX_ SvRV (sv_idle)); |
|
|
1697 | --coro_nready; |
|
|
1698 | } |
|
|
1699 | else |
|
|
1700 | { |
|
|
1701 | dSP; |
|
|
1702 | |
|
|
1703 | ENTER; |
|
|
1704 | SAVETMPS; |
|
|
1705 | |
|
|
1706 | PUSHMARK (SP); |
|
|
1707 | PUTBACK; |
|
|
1708 | call_sv (sv_idle, G_VOID | G_DISCARD); |
|
|
1709 | |
|
|
1710 | FREETMPS; |
|
|
1711 | LEAVE; |
|
|
1712 | } |
|
|
1713 | } |
|
|
1714 | } |
|
|
1715 | } |
|
|
1716 | |
1624 | INLINE void |
1717 | INLINE void |
1625 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1718 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1626 | { |
1719 | { |
1627 | api_ready (aTHX_ coro_current); |
1720 | api_ready (aTHX_ coro_current); |
1628 | prepare_schedule (aTHX_ ta); |
1721 | prepare_schedule (aTHX_ ta); |
… | |
… | |
1647 | { |
1740 | { |
1648 | struct coro_transfer_args ta; |
1741 | struct coro_transfer_args ta; |
1649 | |
1742 | |
1650 | prepare_schedule (aTHX_ &ta); |
1743 | prepare_schedule (aTHX_ &ta); |
1651 | TRANSFER (ta, 1); |
1744 | TRANSFER (ta, 1); |
|
|
1745 | } |
|
|
1746 | |
|
|
1747 | static void |
|
|
1748 | api_schedule_to (pTHX_ SV *coro_sv) |
|
|
1749 | { |
|
|
1750 | struct coro_transfer_args ta; |
|
|
1751 | struct coro *next = SvSTATE (coro_sv); |
|
|
1752 | |
|
|
1753 | SvREFCNT_inc_NN (coro_sv); |
|
|
1754 | prepare_schedule_to (aTHX_ &ta, next); |
1652 | } |
1755 | } |
1653 | |
1756 | |
1654 | static int |
1757 | static int |
1655 | api_cede (pTHX) |
1758 | api_cede (pTHX) |
1656 | { |
1759 | { |
… | |
… | |
1685 | static void |
1788 | static void |
1686 | api_trace (pTHX_ SV *coro_sv, int flags) |
1789 | api_trace (pTHX_ SV *coro_sv, int flags) |
1687 | { |
1790 | { |
1688 | struct coro *coro = SvSTATE (coro_sv); |
1791 | struct coro *coro = SvSTATE (coro_sv); |
1689 | |
1792 | |
|
|
1793 | if (coro->flags & CF_RUNNING) |
|
|
1794 | croak ("cannot enable tracing on a running coroutine, caught"); |
|
|
1795 | |
1690 | if (flags & CC_TRACE) |
1796 | if (flags & CC_TRACE) |
1691 | { |
1797 | { |
1692 | if (!coro->cctx) |
1798 | if (!coro->cctx) |
1693 | coro->cctx = cctx_new_run (); |
1799 | coro->cctx = cctx_new_run (); |
1694 | else if (!(coro->cctx->flags & CC_TRACE)) |
1800 | else if (!(coro->cctx->flags & CC_TRACE)) |
1695 | croak ("cannot enable tracing on coroutine with custom stack,"); |
1801 | croak ("cannot enable tracing on coroutine with custom stack, caught"); |
1696 | |
1802 | |
1697 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1803 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1698 | } |
1804 | } |
1699 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1805 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1700 | { |
1806 | { |
… | |
… | |
1703 | if (coro->flags & CF_RUNNING) |
1809 | if (coro->flags & CF_RUNNING) |
1704 | PL_runops = RUNOPS_DEFAULT; |
1810 | PL_runops = RUNOPS_DEFAULT; |
1705 | else |
1811 | else |
1706 | coro->slot->runops = RUNOPS_DEFAULT; |
1812 | coro->slot->runops = RUNOPS_DEFAULT; |
1707 | } |
1813 | } |
|
|
1814 | } |
|
|
1815 | |
|
|
1816 | static void |
|
|
1817 | coro_call_on_destroy (pTHX_ struct coro *coro) |
|
|
1818 | { |
|
|
1819 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
|
|
1820 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1821 | |
|
|
1822 | if (on_destroyp) |
|
|
1823 | { |
|
|
1824 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1825 | |
|
|
1826 | while (AvFILLp (on_destroy) >= 0) |
|
|
1827 | { |
|
|
1828 | dSP; /* don't disturb outer sp */ |
|
|
1829 | SV *cb = av_pop (on_destroy); |
|
|
1830 | |
|
|
1831 | PUSHMARK (SP); |
|
|
1832 | |
|
|
1833 | if (statusp) |
|
|
1834 | { |
|
|
1835 | int i; |
|
|
1836 | AV *status = (AV *)SvRV (*statusp); |
|
|
1837 | EXTEND (SP, AvFILLp (status) + 1); |
|
|
1838 | |
|
|
1839 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1840 | PUSHs (AvARRAY (status)[i]); |
|
|
1841 | } |
|
|
1842 | |
|
|
1843 | PUTBACK; |
|
|
1844 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
|
|
1845 | } |
|
|
1846 | } |
|
|
1847 | } |
|
|
1848 | |
|
|
1849 | static void |
|
|
1850 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1851 | { |
|
|
1852 | int i; |
|
|
1853 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1854 | AV *av = newAV (); |
|
|
1855 | |
|
|
1856 | av_extend (av, items - 1); |
|
|
1857 | for (i = 0; i < items; ++i) |
|
|
1858 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
1859 | |
|
|
1860 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
1861 | |
|
|
1862 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
|
|
1863 | api_ready (aTHX_ sv_manager); |
|
|
1864 | |
|
|
1865 | frame->prepare = prepare_schedule; |
|
|
1866 | frame->check = slf_check_repeat; |
|
|
1867 | } |
|
|
1868 | |
|
|
1869 | /*****************************************************************************/ |
|
|
1870 | /* async pool handler */ |
|
|
1871 | |
|
|
1872 | static int |
|
|
1873 | slf_check_pool_handler (pTHX_ struct CoroSLF *frame) |
|
|
1874 | { |
|
|
1875 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1876 | struct coro *coro = (struct coro *)frame->data; |
|
|
1877 | |
|
|
1878 | if (!coro->invoke_cb) |
|
|
1879 | return 1; /* loop till we have invoke */ |
|
|
1880 | else |
|
|
1881 | { |
|
|
1882 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
1883 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
1884 | |
|
|
1885 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
1886 | |
|
|
1887 | { |
|
|
1888 | dSP; |
|
|
1889 | XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0; |
|
|
1890 | PUTBACK; |
|
|
1891 | } |
|
|
1892 | |
|
|
1893 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
1894 | GvAV (PL_defgv) = coro->invoke_av; |
|
|
1895 | coro->invoke_av = 0; |
|
|
1896 | |
|
|
1897 | return 0; |
|
|
1898 | } |
|
|
1899 | } |
|
|
1900 | |
|
|
1901 | static void |
|
|
1902 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1903 | { |
|
|
1904 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1905 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
1906 | |
|
|
1907 | if (expect_true (coro->saved_deffh)) |
|
|
1908 | { |
|
|
1909 | /* subsequent iteration */ |
|
|
1910 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
1911 | coro->saved_deffh = 0; |
|
|
1912 | |
|
|
1913 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
1914 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1915 | { |
|
|
1916 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
|
|
1917 | coro->invoke_av = newAV (); |
|
|
1918 | |
|
|
1919 | frame->prepare = prepare_nop; |
|
|
1920 | } |
|
|
1921 | else |
|
|
1922 | { |
|
|
1923 | av_clear (GvAV (PL_defgv)); |
|
|
1924 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
|
|
1925 | |
|
|
1926 | coro->prio = 0; |
|
|
1927 | |
|
|
1928 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
1929 | api_trace (aTHX_ coro_current, 0); |
|
|
1930 | |
|
|
1931 | frame->prepare = prepare_schedule; |
|
|
1932 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
|
|
1933 | } |
|
|
1934 | } |
|
|
1935 | else |
|
|
1936 | { |
|
|
1937 | /* first iteration, simply fall through */ |
|
|
1938 | frame->prepare = prepare_nop; |
|
|
1939 | } |
|
|
1940 | |
|
|
1941 | frame->check = slf_check_pool_handler; |
|
|
1942 | frame->data = (void *)coro; |
|
|
1943 | } |
|
|
1944 | |
|
|
1945 | /*****************************************************************************/ |
|
|
1946 | /* rouse callback */ |
|
|
1947 | |
|
|
1948 | #define CORO_MAGIC_type_rouse PERL_MAGIC_ext |
|
|
1949 | |
|
|
1950 | static void |
|
|
1951 | coro_rouse_callback (pTHX_ CV *cv) |
|
|
1952 | { |
|
|
1953 | dXSARGS; |
|
|
1954 | SV *data = (SV *)GENSUB_ARG; |
|
|
1955 | |
|
|
1956 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
1957 | { |
|
|
1958 | /* first call, set args */ |
|
|
1959 | AV *av = newAV (); |
|
|
1960 | SV *coro = SvRV (data); |
|
|
1961 | |
|
|
1962 | SvRV_set (data, (SV *)av); |
|
|
1963 | api_ready (aTHX_ coro); |
|
|
1964 | SvREFCNT_dec (coro); |
|
|
1965 | |
|
|
1966 | /* better take a full copy of the arguments */ |
|
|
1967 | while (items--) |
|
|
1968 | av_store (av, items, newSVsv (ST (items))); |
|
|
1969 | } |
|
|
1970 | |
|
|
1971 | XSRETURN_EMPTY; |
|
|
1972 | } |
|
|
1973 | |
|
|
1974 | static int |
|
|
1975 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
|
|
1976 | { |
|
|
1977 | SV *data = (SV *)frame->data; |
|
|
1978 | |
|
|
1979 | if (CORO_THROW) |
|
|
1980 | return 0; |
|
|
1981 | |
|
|
1982 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
1983 | return 1; |
|
|
1984 | |
|
|
1985 | /* now push all results on the stack */ |
|
|
1986 | { |
|
|
1987 | dSP; |
|
|
1988 | AV *av = (AV *)SvRV (data); |
|
|
1989 | int i; |
|
|
1990 | |
|
|
1991 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
1992 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
1993 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
|
|
1994 | |
|
|
1995 | /* we have stolen the elements, so ste length to zero and free */ |
|
|
1996 | AvFILLp (av) = -1; |
|
|
1997 | av_undef (av); |
|
|
1998 | |
|
|
1999 | PUTBACK; |
|
|
2000 | } |
|
|
2001 | |
|
|
2002 | return 0; |
|
|
2003 | } |
|
|
2004 | |
|
|
2005 | static void |
|
|
2006 | slf_init_rouse_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2007 | { |
|
|
2008 | SV *cb; |
|
|
2009 | |
|
|
2010 | if (items) |
|
|
2011 | cb = arg [0]; |
|
|
2012 | else |
|
|
2013 | { |
|
|
2014 | struct coro *coro = SvSTATE_current; |
|
|
2015 | |
|
|
2016 | if (!coro->rouse_cb) |
|
|
2017 | croak ("Coro::rouse_wait called without rouse callback, and no default rouse callback found either,"); |
|
|
2018 | |
|
|
2019 | cb = sv_2mortal (coro->rouse_cb); |
|
|
2020 | coro->rouse_cb = 0; |
|
|
2021 | } |
|
|
2022 | |
|
|
2023 | if (!SvROK (cb) |
|
|
2024 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
|
|
2025 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
|
|
2026 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
|
|
2027 | |
|
|
2028 | { |
|
|
2029 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
|
|
2030 | SV *data = (SV *)GENSUB_ARG; |
|
|
2031 | |
|
|
2032 | frame->data = (void *)data; |
|
|
2033 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
|
|
2034 | frame->check = slf_check_rouse_wait; |
|
|
2035 | } |
|
|
2036 | } |
|
|
2037 | |
|
|
2038 | static SV * |
|
|
2039 | coro_new_rouse_cb (pTHX) |
|
|
2040 | { |
|
|
2041 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2042 | struct coro *coro = SvSTATE_hv (hv); |
|
|
2043 | SV *data = newRV_inc ((SV *)hv); |
|
|
2044 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
|
|
2045 | |
|
|
2046 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
|
|
2047 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
|
|
2048 | |
|
|
2049 | SvREFCNT_dec (coro->rouse_cb); |
|
|
2050 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
|
|
2051 | |
|
|
2052 | return cb; |
1708 | } |
2053 | } |
1709 | |
2054 | |
1710 | /*****************************************************************************/ |
2055 | /*****************************************************************************/ |
1711 | /* schedule-like-function opcode (SLF) */ |
2056 | /* schedule-like-function opcode (SLF) */ |
1712 | |
2057 | |
… | |
… | |
1759 | static void |
2104 | static void |
1760 | slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2105 | slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1761 | { |
2106 | { |
1762 | frame->prepare = prepare_schedule; |
2107 | frame->prepare = prepare_schedule; |
1763 | frame->check = slf_check_nop; |
2108 | frame->check = slf_check_nop; |
|
|
2109 | } |
|
|
2110 | |
|
|
2111 | static void |
|
|
2112 | slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta) |
|
|
2113 | { |
|
|
2114 | struct coro *next = (struct coro *)slf_frame.data; |
|
|
2115 | |
|
|
2116 | SvREFCNT_inc_NN (next->hv); |
|
|
2117 | prepare_schedule_to (aTHX_ ta, next); |
|
|
2118 | } |
|
|
2119 | |
|
|
2120 | static void |
|
|
2121 | slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2122 | { |
|
|
2123 | if (!items) |
|
|
2124 | croak ("Coro::schedule_to expects a coroutine argument, caught"); |
|
|
2125 | |
|
|
2126 | frame->data = (void *)SvSTATE (arg [0]); |
|
|
2127 | frame->prepare = slf_prepare_schedule_to; |
|
|
2128 | frame->check = slf_check_nop; |
|
|
2129 | } |
|
|
2130 | |
|
|
2131 | static void |
|
|
2132 | slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2133 | { |
|
|
2134 | api_ready (aTHX_ SvRV (coro_current)); |
|
|
2135 | |
|
|
2136 | slf_init_schedule_to (aTHX_ frame, cv, arg, items); |
1764 | } |
2137 | } |
1765 | |
2138 | |
1766 | static void |
2139 | static void |
1767 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2140 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1768 | { |
2141 | { |
… | |
… | |
1914 | } |
2287 | } |
1915 | else |
2288 | else |
1916 | slf_argc = 0; |
2289 | slf_argc = 0; |
1917 | |
2290 | |
1918 | PL_op->op_ppaddr = pp_slf; |
2291 | PL_op->op_ppaddr = pp_slf; |
1919 | PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */ |
2292 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
1920 | |
2293 | |
1921 | PL_op = (OP *)&slf_restore; |
2294 | PL_op = (OP *)&slf_restore; |
1922 | } |
2295 | } |
1923 | |
2296 | |
1924 | /*****************************************************************************/ |
2297 | /*****************************************************************************/ |
… | |
… | |
2007 | SV **ary; |
2380 | SV **ary; |
2008 | |
2381 | |
2009 | /* unfortunately, building manually saves memory */ |
2382 | /* unfortunately, building manually saves memory */ |
2010 | Newx (ary, 2, SV *); |
2383 | Newx (ary, 2, SV *); |
2011 | AvALLOC (av) = ary; |
2384 | AvALLOC (av) = ary; |
|
|
2385 | #if PERL_VERSION_ATLEAST (5,10,0) |
2012 | AvARRAY (av) = ary; |
2386 | AvARRAY (av) = ary; |
|
|
2387 | #else |
|
|
2388 | /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */ |
|
|
2389 | /* -DDEBUGGING flags this as a bug, despite it perfectly working */ |
|
|
2390 | SvPVX ((SV *)av) = (char *)ary; |
|
|
2391 | #endif |
2013 | AvMAX (av) = 1; |
2392 | AvMAX (av) = 1; |
2014 | AvFILLp (av) = 0; |
2393 | AvFILLp (av) = 0; |
2015 | ary [0] = newSViv (count); |
2394 | ary [0] = newSViv (count); |
2016 | |
2395 | |
2017 | return newRV_noinc ((SV *)av); |
2396 | return newRV_noinc ((SV *)av); |
… | |
… | |
2037 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2416 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2038 | AvARRAY (av)[1] = count_sv; |
2417 | AvARRAY (av)[1] = count_sv; |
2039 | cb = av_shift (av); |
2418 | cb = av_shift (av); |
2040 | |
2419 | |
2041 | if (SvOBJECT (cb)) |
2420 | if (SvOBJECT (cb)) |
|
|
2421 | { |
2042 | api_ready (aTHX_ cb); |
2422 | api_ready (aTHX_ cb); |
2043 | else |
2423 | --count; |
2044 | croak ("callbacks not yet supported"); |
2424 | } |
|
|
2425 | else if (SvTYPE (cb) == SVt_PVCV) |
|
|
2426 | { |
|
|
2427 | dSP; |
|
|
2428 | PUSHMARK (SP); |
|
|
2429 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
2430 | PUTBACK; |
|
|
2431 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
2432 | } |
2045 | |
2433 | |
2046 | SvREFCNT_dec (cb); |
2434 | SvREFCNT_dec (cb); |
2047 | |
|
|
2048 | --count; |
|
|
2049 | } |
2435 | } |
2050 | } |
2436 | } |
2051 | |
2437 | |
2052 | static void |
2438 | static void |
2053 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2439 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
… | |
… | |
2135 | } |
2521 | } |
2136 | |
2522 | |
2137 | static void |
2523 | static void |
2138 | slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2524 | slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2139 | { |
2525 | { |
|
|
2526 | if (items >= 2) |
|
|
2527 | { |
|
|
2528 | /* callback form */ |
|
|
2529 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2530 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
|
|
2531 | |
|
|
2532 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
|
|
2533 | |
|
|
2534 | if (SvIVX (AvARRAY (av)[0]) > 0) |
|
|
2535 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2536 | |
|
|
2537 | frame->prepare = prepare_nop; |
|
|
2538 | frame->check = slf_check_nop; |
|
|
2539 | } |
|
|
2540 | else |
|
|
2541 | { |
2140 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
2542 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
2141 | frame->check = slf_check_semaphore_wait; |
2543 | frame->check = slf_check_semaphore_wait; |
|
|
2544 | } |
2142 | } |
2545 | } |
2143 | |
2546 | |
2144 | /* signal */ |
2547 | /* signal */ |
2145 | |
2548 | |
2146 | static void |
2549 | static void |
… | |
… | |
2158 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2561 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2159 | AvARRAY (av)[1] = cb; |
2562 | AvARRAY (av)[1] = cb; |
2160 | |
2563 | |
2161 | cb = av_shift (av); |
2564 | cb = av_shift (av); |
2162 | |
2565 | |
2163 | api_ready (cb); |
2566 | api_ready (aTHX_ cb); |
2164 | sv_setiv (cb, 0); /* signal waiter */ |
2567 | sv_setiv (cb, 0); /* signal waiter */ |
2165 | SvREFCNT_dec (cb); |
2568 | SvREFCNT_dec (cb); |
2166 | |
2569 | |
2167 | --count; |
2570 | --count; |
2168 | } |
2571 | } |
… | |
… | |
2194 | |
2597 | |
2195 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2598 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2196 | frame->prepare = prepare_schedule; |
2599 | frame->prepare = prepare_schedule; |
2197 | frame->check = slf_check_signal_wait; |
2600 | frame->check = slf_check_signal_wait; |
2198 | } |
2601 | } |
2199 | } |
|
|
2200 | |
|
|
2201 | /*****************************************************************************/ |
|
|
2202 | /* gensub: simple closure generation utility */ |
|
|
2203 | |
|
|
2204 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
2205 | |
|
|
2206 | /* create a closure from XS, returns a code reference */ |
|
|
2207 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
2208 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
2209 | static SV * |
|
|
2210 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
2211 | { |
|
|
2212 | CV *cv = (CV *)newSV (0); |
|
|
2213 | |
|
|
2214 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
2215 | |
|
|
2216 | CvANON_on (cv); |
|
|
2217 | CvISXSUB_on (cv); |
|
|
2218 | CvXSUB (cv) = xsub; |
|
|
2219 | GENSUB_ARG = arg; |
|
|
2220 | |
|
|
2221 | return newRV_noinc ((SV *)cv); |
|
|
2222 | } |
2602 | } |
2223 | |
2603 | |
2224 | /*****************************************************************************/ |
2604 | /*****************************************************************************/ |
2225 | /* Coro::AIO */ |
2605 | /* Coro::AIO */ |
2226 | |
2606 | |
… | |
… | |
2241 | dXSARGS; |
2621 | dXSARGS; |
2242 | AV *state = (AV *)GENSUB_ARG; |
2622 | AV *state = (AV *)GENSUB_ARG; |
2243 | SV *coro = av_pop (state); |
2623 | SV *coro = av_pop (state); |
2244 | SV *data_sv = newSV (sizeof (struct io_state)); |
2624 | SV *data_sv = newSV (sizeof (struct io_state)); |
2245 | |
2625 | |
2246 | av_extend (state, items); |
2626 | av_extend (state, items - 1); |
2247 | |
2627 | |
2248 | sv_upgrade (data_sv, SVt_PV); |
2628 | sv_upgrade (data_sv, SVt_PV); |
2249 | SvCUR_set (data_sv, sizeof (struct io_state)); |
2629 | SvCUR_set (data_sv, sizeof (struct io_state)); |
2250 | SvPOK_only (data_sv); |
2630 | SvPOK_only (data_sv); |
2251 | |
2631 | |
… | |
… | |
2386 | XSRETURN_EMPTY; |
2766 | XSRETURN_EMPTY; |
2387 | } |
2767 | } |
2388 | |
2768 | |
2389 | /*****************************************************************************/ |
2769 | /*****************************************************************************/ |
2390 | |
2770 | |
|
|
2771 | #if CORO_CLONE |
|
|
2772 | # include "clone.c" |
|
|
2773 | #endif |
|
|
2774 | |
2391 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2775 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2392 | |
2776 | |
2393 | PROTOTYPES: DISABLE |
2777 | PROTOTYPES: DISABLE |
2394 | |
2778 | |
2395 | BOOT: |
2779 | BOOT: |
… | |
… | |
2399 | coro_thx = PERL_GET_CONTEXT; |
2783 | coro_thx = PERL_GET_CONTEXT; |
2400 | # endif |
2784 | # endif |
2401 | #endif |
2785 | #endif |
2402 | BOOT_PAGESIZE; |
2786 | BOOT_PAGESIZE; |
2403 | |
2787 | |
|
|
2788 | cctx_current = cctx_new_empty (); |
|
|
2789 | |
2404 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2790 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2405 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2791 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2406 | |
2792 | |
2407 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2793 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2408 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
2794 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
… | |
… | |
2427 | |
2813 | |
2428 | { |
2814 | { |
2429 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
2815 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
2430 | |
2816 | |
2431 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
2817 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
2432 | hv_store_ent (PL_custom_op_names, slf, |
2818 | hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0); |
2433 | newSVpv ("coro_slf", 0), 0); |
|
|
2434 | |
2819 | |
2435 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
2820 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
2436 | hv_store_ent (PL_custom_op_descs, slf, |
2821 | hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0); |
2437 | newSVpv ("coro schedule like function", 0), 0); |
|
|
2438 | } |
2822 | } |
2439 | |
2823 | |
2440 | coroapi.ver = CORO_API_VERSION; |
2824 | coroapi.ver = CORO_API_VERSION; |
2441 | coroapi.rev = CORO_API_REVISION; |
2825 | coroapi.rev = CORO_API_REVISION; |
2442 | |
2826 | |
… | |
… | |
2461 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2845 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2462 | } |
2846 | } |
2463 | |
2847 | |
2464 | SV * |
2848 | SV * |
2465 | new (char *klass, ...) |
2849 | new (char *klass, ...) |
|
|
2850 | ALIAS: |
|
|
2851 | Coro::new = 1 |
2466 | CODE: |
2852 | CODE: |
2467 | { |
2853 | { |
2468 | struct coro *coro; |
2854 | struct coro *coro; |
2469 | MAGIC *mg; |
2855 | MAGIC *mg; |
2470 | HV *hv; |
2856 | HV *hv; |
|
|
2857 | CV *cb; |
2471 | int i; |
2858 | int i; |
|
|
2859 | |
|
|
2860 | if (items > 1) |
|
|
2861 | { |
|
|
2862 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2863 | |
|
|
2864 | if (!ix) |
|
|
2865 | { |
|
|
2866 | if (CvISXSUB (cb)) |
|
|
2867 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2868 | |
|
|
2869 | if (!CvROOT (cb)) |
|
|
2870 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2871 | } |
|
|
2872 | } |
2472 | |
2873 | |
2473 | Newz (0, coro, 1, struct coro); |
2874 | Newz (0, coro, 1, struct coro); |
2474 | coro->args = newAV (); |
2875 | coro->args = newAV (); |
2475 | coro->flags = CF_NEW; |
2876 | coro->flags = CF_NEW; |
2476 | |
2877 | |
… | |
… | |
2481 | coro->hv = hv = newHV (); |
2882 | coro->hv = hv = newHV (); |
2482 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
2883 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
2483 | mg->mg_flags |= MGf_DUP; |
2884 | mg->mg_flags |= MGf_DUP; |
2484 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
2885 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
2485 | |
2886 | |
|
|
2887 | if (items > 1) |
|
|
2888 | { |
2486 | av_extend (coro->args, items - 1); |
2889 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2890 | |
|
|
2891 | if (ix) |
|
|
2892 | { |
|
|
2893 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2894 | cb = cv_coro_run; |
|
|
2895 | } |
|
|
2896 | |
|
|
2897 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2898 | |
2487 | for (i = 1; i < items; i++) |
2899 | for (i = 2; i < items; i++) |
2488 | av_push (coro->args, newSVsv (ST (i))); |
2900 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2901 | } |
2489 | } |
2902 | } |
2490 | OUTPUT: |
2903 | OUTPUT: |
2491 | RETVAL |
2904 | RETVAL |
2492 | |
2905 | |
2493 | void |
2906 | void |
… | |
… | |
2506 | void |
2919 | void |
2507 | _exit (int code) |
2920 | _exit (int code) |
2508 | PROTOTYPE: $ |
2921 | PROTOTYPE: $ |
2509 | CODE: |
2922 | CODE: |
2510 | _exit (code); |
2923 | _exit (code); |
|
|
2924 | |
|
|
2925 | SV * |
|
|
2926 | clone (Coro::State coro) |
|
|
2927 | CODE: |
|
|
2928 | { |
|
|
2929 | #if CORO_CLONE |
|
|
2930 | struct coro *ncoro = coro_clone (coro); |
|
|
2931 | MAGIC *mg; |
|
|
2932 | /* TODO: too much duplication */ |
|
|
2933 | ncoro->hv = newHV (); |
|
|
2934 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
|
|
2935 | mg->mg_flags |= MGf_DUP; |
|
|
2936 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
|
|
2937 | #else |
|
|
2938 | croak ("Coro::State->clone has not been configured into this installation of Coro, realised"); |
|
|
2939 | #endif |
|
|
2940 | } |
|
|
2941 | OUTPUT: |
|
|
2942 | RETVAL |
2511 | |
2943 | |
2512 | int |
2944 | int |
2513 | cctx_stacksize (int new_stacksize = 0) |
2945 | cctx_stacksize (int new_stacksize = 0) |
2514 | PROTOTYPE: ;$ |
2946 | PROTOTYPE: ;$ |
2515 | CODE: |
2947 | CODE: |
… | |
… | |
2636 | |
3068 | |
2637 | SV * |
3069 | SV * |
2638 | has_cctx (Coro::State coro) |
3070 | has_cctx (Coro::State coro) |
2639 | PROTOTYPE: $ |
3071 | PROTOTYPE: $ |
2640 | CODE: |
3072 | CODE: |
2641 | RETVAL = boolSV (!!coro->cctx); |
3073 | /* maybe manage the running flag differently */ |
|
|
3074 | RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING)); |
2642 | OUTPUT: |
3075 | OUTPUT: |
2643 | RETVAL |
3076 | RETVAL |
2644 | |
3077 | |
2645 | int |
3078 | int |
2646 | is_traced (Coro::State coro) |
3079 | is_traced (Coro::State coro) |
… | |
… | |
2666 | |
3099 | |
2667 | void |
3100 | void |
2668 | force_cctx () |
3101 | force_cctx () |
2669 | PROTOTYPE: |
3102 | PROTOTYPE: |
2670 | CODE: |
3103 | CODE: |
2671 | SvSTATE_current->cctx->idle_sp = 0; |
3104 | cctx_current->idle_sp = 0; |
2672 | |
3105 | |
2673 | void |
3106 | void |
2674 | swap_defsv (Coro::State self) |
3107 | swap_defsv (Coro::State self) |
2675 | PROTOTYPE: $ |
3108 | PROTOTYPE: $ |
2676 | ALIAS: |
3109 | ALIAS: |
… | |
… | |
2691 | |
3124 | |
2692 | BOOT: |
3125 | BOOT: |
2693 | { |
3126 | { |
2694 | int i; |
3127 | int i; |
2695 | |
3128 | |
2696 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2697 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3129 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
2698 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3130 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
2699 | |
3131 | cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); |
|
|
3132 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
2700 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
3133 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
2701 | SvREADONLY_on (coro_current); |
3134 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
3135 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
|
|
3136 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3137 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
|
|
3138 | |
|
|
3139 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
|
|
3140 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
|
|
3141 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
|
|
3142 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
2702 | |
3143 | |
2703 | coro_stash = gv_stashpv ("Coro", TRUE); |
3144 | coro_stash = gv_stashpv ("Coro", TRUE); |
2704 | |
3145 | |
2705 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3146 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
2706 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3147 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
… | |
… | |
2714 | |
3155 | |
2715 | { |
3156 | { |
2716 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3157 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
2717 | |
3158 | |
2718 | coroapi.schedule = api_schedule; |
3159 | coroapi.schedule = api_schedule; |
|
|
3160 | coroapi.schedule_to = api_schedule_to; |
2719 | coroapi.cede = api_cede; |
3161 | coroapi.cede = api_cede; |
2720 | coroapi.cede_notself = api_cede_notself; |
3162 | coroapi.cede_notself = api_cede_notself; |
2721 | coroapi.ready = api_ready; |
3163 | coroapi.ready = api_ready; |
2722 | coroapi.is_ready = api_is_ready; |
3164 | coroapi.is_ready = api_is_ready; |
2723 | coroapi.nready = coro_nready; |
3165 | coroapi.nready = coro_nready; |
… | |
… | |
2728 | SvREADONLY_on (sv); |
3170 | SvREADONLY_on (sv); |
2729 | } |
3171 | } |
2730 | } |
3172 | } |
2731 | |
3173 | |
2732 | void |
3174 | void |
|
|
3175 | terminate (...) |
|
|
3176 | CODE: |
|
|
3177 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3178 | |
|
|
3179 | void |
2733 | schedule (...) |
3180 | schedule (...) |
2734 | CODE: |
3181 | CODE: |
2735 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3182 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
|
|
3183 | |
|
|
3184 | void |
|
|
3185 | schedule_to (...) |
|
|
3186 | CODE: |
|
|
3187 | CORO_EXECUTE_SLF_XS (slf_init_schedule_to); |
|
|
3188 | |
|
|
3189 | void |
|
|
3190 | cede_to (...) |
|
|
3191 | CODE: |
|
|
3192 | CORO_EXECUTE_SLF_XS (slf_init_cede_to); |
2736 | |
3193 | |
2737 | void |
3194 | void |
2738 | cede (...) |
3195 | cede (...) |
2739 | CODE: |
3196 | CODE: |
2740 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
3197 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
2741 | |
3198 | |
2742 | void |
3199 | void |
2743 | cede_notself (...) |
3200 | cede_notself (...) |
2744 | CODE: |
3201 | CODE: |
2745 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3202 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
|
|
3203 | |
|
|
3204 | void |
|
|
3205 | _cancel (Coro::State self) |
|
|
3206 | CODE: |
|
|
3207 | coro_state_destroy (aTHX_ self); |
|
|
3208 | coro_call_on_destroy (aTHX_ self); |
2746 | |
3209 | |
2747 | void |
3210 | void |
2748 | _set_current (SV *current) |
3211 | _set_current (SV *current) |
2749 | PROTOTYPE: $ |
3212 | PROTOTYPE: $ |
2750 | CODE: |
3213 | CODE: |
… | |
… | |
2795 | CODE: |
3258 | CODE: |
2796 | RETVAL = coro_nready; |
3259 | RETVAL = coro_nready; |
2797 | OUTPUT: |
3260 | OUTPUT: |
2798 | RETVAL |
3261 | RETVAL |
2799 | |
3262 | |
2800 | # for async_pool speedup |
|
|
2801 | void |
3263 | void |
2802 | _pool_1 (SV *cb) |
3264 | _pool_handler (...) |
2803 | CODE: |
3265 | CODE: |
2804 | { |
3266 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
2805 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2806 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
2807 | AV *defav = GvAV (PL_defgv); |
|
|
2808 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
2809 | AV *invoke_av; |
|
|
2810 | int i, len; |
|
|
2811 | |
3267 | |
2812 | if (!invoke) |
3268 | void |
|
|
3269 | async_pool (SV *cv, ...) |
|
|
3270 | PROTOTYPE: &@ |
|
|
3271 | PPCODE: |
|
|
3272 | { |
|
|
3273 | HV *hv = (HV *)av_pop (av_async_pool); |
|
|
3274 | AV *av = newAV (); |
|
|
3275 | SV *cb = ST (0); |
|
|
3276 | int i; |
|
|
3277 | |
|
|
3278 | av_extend (av, items - 2); |
|
|
3279 | for (i = 1; i < items; ++i) |
|
|
3280 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
|
|
3281 | |
|
|
3282 | if ((SV *)hv == &PL_sv_undef) |
2813 | { |
3283 | { |
2814 | SV *old = PL_diehook; |
3284 | PUSHMARK (SP); |
2815 | PL_diehook = 0; |
3285 | EXTEND (SP, 2); |
2816 | SvREFCNT_dec (old); |
3286 | PUSHs (sv_Coro); |
2817 | croak ("\3async_pool terminate\2\n"); |
3287 | PUSHs ((SV *)cv_pool_handler); |
|
|
3288 | PUTBACK; |
|
|
3289 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3290 | SPAGAIN; |
|
|
3291 | |
|
|
3292 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
2818 | } |
3293 | } |
2819 | |
3294 | |
2820 | SvREFCNT_dec (coro->saved_deffh); |
|
|
2821 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
2822 | |
|
|
2823 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2824 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
2825 | |
|
|
2826 | invoke_av = (AV *)SvRV (invoke); |
|
|
2827 | len = av_len (invoke_av); |
|
|
2828 | |
|
|
2829 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
2830 | |
|
|
2831 | if (len > 0) |
|
|
2832 | { |
3295 | { |
2833 | av_fill (defav, len - 1); |
3296 | struct coro *coro = SvSTATE_hv (hv); |
2834 | for (i = 0; i < len; ++i) |
3297 | |
2835 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
3298 | assert (!coro->invoke_cb); |
|
|
3299 | assert (!coro->invoke_av); |
|
|
3300 | coro->invoke_cb = SvREFCNT_inc (cb); |
|
|
3301 | coro->invoke_av = av; |
2836 | } |
3302 | } |
|
|
3303 | |
|
|
3304 | api_ready (aTHX_ (SV *)hv); |
|
|
3305 | |
|
|
3306 | if (GIMME_V != G_VOID) |
|
|
3307 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
|
|
3308 | else |
|
|
3309 | SvREFCNT_dec (hv); |
2837 | } |
3310 | } |
|
|
3311 | |
|
|
3312 | SV * |
|
|
3313 | rouse_cb () |
|
|
3314 | PROTOTYPE: |
|
|
3315 | CODE: |
|
|
3316 | RETVAL = coro_new_rouse_cb (aTHX); |
|
|
3317 | OUTPUT: |
|
|
3318 | RETVAL |
2838 | |
3319 | |
2839 | void |
3320 | void |
2840 | _pool_2 (SV *cb) |
3321 | rouse_wait (...) |
|
|
3322 | PROTOTYPE: ;$ |
2841 | CODE: |
3323 | PPCODE: |
2842 | { |
3324 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
2843 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2844 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
2845 | |
|
|
2846 | sv_setsv (cb, &PL_sv_undef); |
|
|
2847 | |
|
|
2848 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
2849 | coro->saved_deffh = 0; |
|
|
2850 | |
|
|
2851 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
2852 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2853 | { |
|
|
2854 | SV *old = PL_diehook; |
|
|
2855 | PL_diehook = 0; |
|
|
2856 | SvREFCNT_dec (old); |
|
|
2857 | croak ("\3async_pool terminate\2\n"); |
|
|
2858 | } |
|
|
2859 | |
|
|
2860 | av_clear (GvAV (PL_defgv)); |
|
|
2861 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2862 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
2863 | |
|
|
2864 | coro->prio = 0; |
|
|
2865 | |
|
|
2866 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
2867 | api_trace (aTHX_ coro_current, 0); |
|
|
2868 | |
|
|
2869 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
2870 | } |
|
|
2871 | |
3325 | |
2872 | |
3326 | |
2873 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3327 | MODULE = Coro::State PACKAGE = PerlIO::cede |
2874 | |
3328 | |
2875 | BOOT: |
3329 | BOOT: |
… | |
… | |
2909 | adjust = 1 |
3363 | adjust = 1 |
2910 | CODE: |
3364 | CODE: |
2911 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
3365 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
2912 | |
3366 | |
2913 | void |
3367 | void |
2914 | down (SV *self) |
3368 | down (...) |
2915 | CODE: |
3369 | CODE: |
2916 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
3370 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
2917 | |
3371 | |
2918 | void |
3372 | void |
2919 | wait (SV *self) |
3373 | wait (...) |
2920 | CODE: |
3374 | CODE: |
2921 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait); |
3375 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait); |
2922 | |
3376 | |
2923 | void |
3377 | void |
2924 | try (SV *self) |
3378 | try (SV *self) |
… | |
… | |
2967 | ); |
3421 | ); |
2968 | OUTPUT: |
3422 | OUTPUT: |
2969 | RETVAL |
3423 | RETVAL |
2970 | |
3424 | |
2971 | void |
3425 | void |
2972 | wait (SV *self) |
3426 | wait (...) |
2973 | CODE: |
3427 | CODE: |
2974 | CORO_EXECUTE_SLF_XS (slf_init_signal_wait); |
3428 | CORO_EXECUTE_SLF_XS (slf_init_signal_wait); |
2975 | |
3429 | |
2976 | void |
3430 | void |
2977 | broadcast (SV *self) |
3431 | broadcast (SV *self) |
… | |
… | |
2986 | CODE: |
3440 | CODE: |
2987 | { |
3441 | { |
2988 | AV *av = (AV *)SvRV (self); |
3442 | AV *av = (AV *)SvRV (self); |
2989 | |
3443 | |
2990 | if (AvFILLp (av)) |
3444 | if (AvFILLp (av)) |
2991 | coro_signal_wake (av, 1); |
3445 | coro_signal_wake (aTHX_ av, 1); |
2992 | else |
3446 | else |
2993 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3447 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
2994 | } |
3448 | } |
2995 | |
3449 | |
2996 | IV |
3450 | IV |
… | |
… | |
3034 | |
3488 | |
3035 | void |
3489 | void |
3036 | _register (char *target, char *proto, SV *req) |
3490 | _register (char *target, char *proto, SV *req) |
3037 | CODE: |
3491 | CODE: |
3038 | { |
3492 | { |
3039 | HV *st; |
3493 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
3040 | GV *gvp; |
|
|
3041 | CV *req_cv = sv_2cv (req, &st, &gvp, 0); |
|
|
3042 | /* newXSproto doesn't return the CV on 5.8 */ |
3494 | /* newXSproto doesn't return the CV on 5.8 */ |
3043 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3495 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3044 | sv_setpv ((SV *)slf_cv, proto); |
3496 | sv_setpv ((SV *)slf_cv, proto); |
3045 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3497 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3046 | } |
3498 | } |