… | |
… | |
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 |
… | |
… | |
95 | # define GV_NOTQUAL 0 |
95 | # define GV_NOTQUAL 0 |
96 | #endif |
96 | #endif |
97 | #ifndef newSV |
97 | #ifndef newSV |
98 | # define newSV(l) NEWSV(0,l) |
98 | # define newSV(l) NEWSV(0,l) |
99 | #endif |
99 | #endif |
|
|
100 | #ifndef CvISXSUB_on |
|
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101 | # define CvISXSUB_on(cv) (void)cv |
|
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102 | #endif |
|
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103 | #ifndef CvISXSUB |
|
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104 | # define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE) |
|
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105 | #endif |
100 | |
106 | |
101 | /* 5.8.7 */ |
107 | /* 5.8.7 */ |
102 | #ifndef SvRV_set |
108 | #ifndef SvRV_set |
103 | # define SvRV_set(s,v) SvRV(s) = (v) |
109 | # define SvRV_set(s,v) SvRV(s) = (v) |
104 | #endif |
110 | #endif |
… | |
… | |
117 | #endif |
123 | #endif |
118 | |
124 | |
119 | /* The next macros try to return the current stack pointer, in an as |
125 | /* The next macros try to return the current stack pointer, in an as |
120 | * portable way as possible. */ |
126 | * portable way as possible. */ |
121 | #if __GNUC__ >= 4 |
127 | #if __GNUC__ >= 4 |
|
|
128 | # define dSTACKLEVEL int stacklevel_dummy |
122 | # define dSTACKLEVEL void *stacklevel = __builtin_frame_address (0) |
129 | # define STACKLEVEL __builtin_frame_address (0) |
123 | #else |
130 | #else |
124 | # define dSTACKLEVEL volatile void *stacklevel = (volatile void *)&stacklevel |
131 | # define dSTACKLEVEL volatile void *stacklevel |
|
|
132 | # define STACKLEVEL ((void *)&stacklevel) |
125 | #endif |
133 | #endif |
126 | |
134 | |
127 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
135 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
128 | |
136 | |
129 | #if __GNUC__ >= 3 |
137 | #if __GNUC__ >= 3 |
… | |
… | |
140 | #define expect_true(expr) expect ((expr) != 0, 1) |
148 | #define expect_true(expr) expect ((expr) != 0, 1) |
141 | |
149 | |
142 | #define NOINLINE attribute ((noinline)) |
150 | #define NOINLINE attribute ((noinline)) |
143 | |
151 | |
144 | #include "CoroAPI.h" |
152 | #include "CoroAPI.h" |
|
|
153 | #define GCoroAPI (&coroapi) /* very sneaky */ |
145 | |
154 | |
146 | #ifdef USE_ITHREADS |
155 | #ifdef USE_ITHREADS |
147 | # if CORO_PTHREAD |
156 | # if CORO_PTHREAD |
148 | static void *coro_thx; |
157 | static void *coro_thx; |
149 | # endif |
158 | # endif |
150 | #endif |
159 | #endif |
151 | |
160 | |
152 | /* helper storage struct for Coro::AIO */ |
|
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153 | struct io_state |
|
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154 | { |
|
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155 | AV *res; |
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156 | int errorno; |
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157 | I32 laststype; /* U16 in 5.10.0 */ |
|
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158 | int laststatval; |
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159 | Stat_t statcache; |
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160 | }; |
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161 | |
|
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162 | static double (*nvtime)(); /* so why doesn't it take void? */ |
161 | static double (*nvtime)(); /* so why doesn't it take void? */ |
|
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162 | |
|
|
163 | /* we hijack an hopefully unused CV flag for our purposes */ |
|
|
164 | #define CVf_SLF 0x4000 |
|
|
165 | static OP *pp_slf (pTHX); |
163 | |
166 | |
164 | static U32 cctx_gen; |
167 | static U32 cctx_gen; |
165 | static size_t cctx_stacksize = CORO_STACKSIZE; |
168 | static size_t cctx_stacksize = CORO_STACKSIZE; |
166 | static struct CoroAPI coroapi; |
169 | static struct CoroAPI coroapi; |
167 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
170 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
168 | static JMPENV *main_top_env; |
171 | static JMPENV *main_top_env; |
169 | static HV *coro_state_stash, *coro_stash; |
172 | static HV *coro_state_stash, *coro_stash; |
170 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
173 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
171 | |
174 | |
|
|
175 | static AV *av_destroy; /* destruction queue */ |
|
|
176 | static SV *sv_manager; /* the manager coro */ |
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177 | |
172 | static GV *irsgv; /* $/ */ |
178 | static GV *irsgv; /* $/ */ |
173 | static GV *stdoutgv; /* *STDOUT */ |
179 | static GV *stdoutgv; /* *STDOUT */ |
174 | static SV *rv_diehook; |
180 | static SV *rv_diehook; |
175 | static SV *rv_warnhook; |
181 | static SV *rv_warnhook; |
176 | static HV *hv_sig; /* %SIG */ |
182 | static HV *hv_sig; /* %SIG */ |
177 | |
183 | |
178 | /* async_pool helper stuff */ |
184 | /* async_pool helper stuff */ |
179 | static SV *sv_pool_rss; |
185 | static SV *sv_pool_rss; |
180 | static SV *sv_pool_size; |
186 | static SV *sv_pool_size; |
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|
187 | static SV *sv_async_pool_idle; /* description string */ |
181 | static AV *av_async_pool; |
188 | static AV *av_async_pool; /* idle pool */ |
|
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189 | static SV *sv_Coro; /* class string */ |
|
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190 | static CV *cv_pool_handler; |
|
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191 | static CV *cv_coro_state_new; |
182 | |
192 | |
183 | /* Coro::AnyEvent */ |
193 | /* Coro::AnyEvent */ |
184 | static SV *sv_activity; |
194 | static SV *sv_activity; |
185 | |
195 | |
186 | static struct coro_cctx *cctx_first; |
196 | static struct coro_cctx *cctx_first; |
… | |
… | |
246 | /* state data */ |
256 | /* state data */ |
247 | struct CoroSLF slf_frame; /* saved slf frame */ |
257 | struct CoroSLF slf_frame; /* saved slf frame */ |
248 | AV *mainstack; |
258 | AV *mainstack; |
249 | perl_slots *slot; /* basically the saved sp */ |
259 | perl_slots *slot; /* basically the saved sp */ |
250 | |
260 | |
|
|
261 | CV *startcv; /* the CV to execute */ |
251 | AV *args; /* data associated with this coroutine (initial args) */ |
262 | AV *args; /* data associated with this coroutine (initial args) */ |
252 | int refcnt; /* coroutines are refcounted, yes */ |
263 | int refcnt; /* coroutines are refcounted, yes */ |
253 | int flags; /* CF_ flags */ |
264 | int flags; /* CF_ flags */ |
254 | HV *hv; /* the perl hash associated with this coro, if any */ |
265 | HV *hv; /* the perl hash associated with this coro, if any */ |
255 | void (*on_destroy)(pTHX_ struct coro *coro); |
266 | void (*on_destroy)(pTHX_ struct coro *coro); |
256 | |
267 | |
257 | /* statistics */ |
268 | /* statistics */ |
258 | int usecount; /* number of transfers to this coro */ |
269 | int usecount; /* number of transfers to this coro */ |
259 | |
270 | |
260 | /* coro process data */ |
271 | /* coro process data */ |
261 | int prio; |
272 | int prio; |
262 | SV *throw; /* exception to be thrown */ |
273 | SV *except; /* exception to be thrown */ |
|
|
274 | SV *rouse_cb; |
263 | |
275 | |
264 | /* async_pool */ |
276 | /* async_pool */ |
265 | SV *saved_deffh; |
277 | SV *saved_deffh; |
|
|
278 | SV *invoke_cb; |
|
|
279 | AV *invoke_av; |
266 | |
280 | |
267 | /* linked list */ |
281 | /* linked list */ |
268 | struct coro *next, *prev; |
282 | struct coro *next, *prev; |
269 | }; |
283 | }; |
270 | |
284 | |
… | |
… | |
273 | |
287 | |
274 | /* the following variables are effectively part of the perl context */ |
288 | /* the following variables are effectively part of the perl context */ |
275 | /* and get copied between struct coro and these variables */ |
289 | /* and get copied between struct coro and these variables */ |
276 | /* the mainr easonw e don't support windows process emulation */ |
290 | /* the mainr easonw e don't support windows process emulation */ |
277 | static struct CoroSLF slf_frame; /* the current slf frame */ |
291 | static struct CoroSLF slf_frame; /* the current slf frame */ |
278 | static SV *coro_throw; |
|
|
279 | |
292 | |
280 | /** Coro ********************************************************************/ |
293 | /** Coro ********************************************************************/ |
281 | |
294 | |
282 | #define PRIO_MAX 3 |
295 | #define PRIO_MAX 3 |
283 | #define PRIO_HIGH 1 |
296 | #define PRIO_HIGH 1 |
… | |
… | |
288 | |
301 | |
289 | /* for Coro.pm */ |
302 | /* for Coro.pm */ |
290 | static SV *coro_current; |
303 | static SV *coro_current; |
291 | static SV *coro_readyhook; |
304 | static SV *coro_readyhook; |
292 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
305 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
|
|
306 | static CV *cv_coro_run, *cv_coro_terminate; |
293 | static struct coro *coro_first; |
307 | static struct coro *coro_first; |
294 | #define coro_nready coroapi.nready |
308 | #define coro_nready coroapi.nready |
295 | |
309 | |
296 | /** lowlevel stuff **********************************************************/ |
310 | /** lowlevel stuff **********************************************************/ |
297 | |
311 | |
… | |
… | |
321 | #if PERL_VERSION_ATLEAST (5,10,0) |
335 | #if PERL_VERSION_ATLEAST (5,10,0) |
322 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
336 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
323 | get_hv (name, create); |
337 | get_hv (name, create); |
324 | #endif |
338 | #endif |
325 | return get_hv (name, create); |
339 | return get_hv (name, create); |
|
|
340 | } |
|
|
341 | |
|
|
342 | /* may croak */ |
|
|
343 | INLINE CV * |
|
|
344 | coro_sv_2cv (pTHX_ SV *sv) |
|
|
345 | { |
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346 | HV *st; |
|
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347 | GV *gvp; |
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348 | return sv_2cv (sv, &st, &gvp, 0); |
326 | } |
349 | } |
327 | |
350 | |
328 | static AV * |
351 | static AV * |
329 | coro_clone_padlist (pTHX_ CV *cv) |
352 | coro_clone_padlist (pTHX_ CV *cv) |
330 | { |
353 | { |
… | |
… | |
384 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
407 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
385 | |
408 | |
386 | return 0; |
409 | return 0; |
387 | } |
410 | } |
388 | |
411 | |
389 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
412 | #define CORO_MAGIC_type_cv 26 |
390 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
413 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
391 | |
414 | |
392 | static MGVTBL coro_cv_vtbl = { |
415 | static MGVTBL coro_cv_vtbl = { |
393 | 0, 0, 0, 0, |
416 | 0, 0, 0, 0, |
394 | coro_cv_free |
417 | coro_cv_free |
395 | }; |
418 | }; |
396 | |
419 | |
|
|
420 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
421 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
422 | ? SvMAGIC (sv) \ |
|
|
423 | : mg_find (sv, type)) |
|
|
424 | |
397 | #define CORO_MAGIC(sv, type) \ |
425 | #define CORO_MAGIC(sv, type) \ |
398 | expect_true (SvMAGIC (sv)) \ |
426 | (expect_true (SvMAGIC (sv)) \ |
399 | ? expect_true (SvMAGIC (sv)->mg_type == type) \ |
427 | ? CORO_MAGIC_NN (sv, type) \ |
400 | ? SvMAGIC (sv) \ |
|
|
401 | : mg_find (sv, type) \ |
|
|
402 | : 0 |
428 | : 0) |
403 | |
429 | |
404 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
430 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
405 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
431 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
406 | |
432 | |
407 | INLINE struct coro * |
433 | INLINE struct coro * |
408 | SvSTATE_ (pTHX_ SV *coro) |
434 | SvSTATE_ (pTHX_ SV *coro) |
409 | { |
435 | { |
410 | HV *stash; |
436 | HV *stash; |
… | |
… | |
428 | return (struct coro *)mg->mg_ptr; |
454 | return (struct coro *)mg->mg_ptr; |
429 | } |
455 | } |
430 | |
456 | |
431 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
457 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
432 | |
458 | |
433 | /* fastert than SvSTATE, but expects a coroutine hv */ |
459 | /* faster than SvSTATE, but expects a coroutine hv */ |
434 | INLINE struct coro * |
460 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
435 | SvSTATE_hv (SV *sv) |
|
|
436 | { |
|
|
437 | MAGIC *mg = expect_true (SvMAGIC (sv)->mg_type == CORO_MAGIC_type_state) |
|
|
438 | ? SvMAGIC (sv) |
|
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439 | : mg_find (sv, CORO_MAGIC_type_state); |
|
|
440 | |
|
|
441 | return (struct coro *)mg->mg_ptr; |
|
|
442 | } |
|
|
443 | |
|
|
444 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
461 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
445 | |
462 | |
446 | /* the next two functions merely cache the padlists */ |
463 | /* the next two functions merely cache the padlists */ |
447 | static void |
464 | static void |
448 | get_padlist (pTHX_ CV *cv) |
465 | get_padlist (pTHX_ CV *cv) |
… | |
… | |
455 | else |
472 | else |
456 | { |
473 | { |
457 | #if CORO_PREFER_PERL_FUNCTIONS |
474 | #if CORO_PREFER_PERL_FUNCTIONS |
458 | /* this is probably cleaner? but also slower! */ |
475 | /* this is probably cleaner? but also slower! */ |
459 | /* in practise, it seems to be less stable */ |
476 | /* in practise, it seems to be less stable */ |
460 | CV *cp = Perl_cv_clone (cv); |
477 | CV *cp = Perl_cv_clone (aTHX_ cv); |
461 | CvPADLIST (cv) = CvPADLIST (cp); |
478 | CvPADLIST (cv) = CvPADLIST (cp); |
462 | CvPADLIST (cp) = 0; |
479 | CvPADLIST (cp) = 0; |
463 | SvREFCNT_dec (cp); |
480 | SvREFCNT_dec (cp); |
464 | #else |
481 | #else |
465 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
482 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
… | |
… | |
518 | |
535 | |
519 | PUTBACK; |
536 | PUTBACK; |
520 | } |
537 | } |
521 | |
538 | |
522 | slf_frame = c->slf_frame; |
539 | slf_frame = c->slf_frame; |
523 | coro_throw = c->throw; |
540 | CORO_THROW = c->except; |
524 | } |
541 | } |
525 | |
542 | |
526 | static void |
543 | static void |
527 | save_perl (pTHX_ Coro__State c) |
544 | save_perl (pTHX_ Coro__State c) |
528 | { |
545 | { |
529 | c->throw = coro_throw; |
546 | c->except = CORO_THROW; |
530 | c->slf_frame = slf_frame; |
547 | c->slf_frame = slf_frame; |
531 | |
548 | |
532 | { |
549 | { |
533 | dSP; |
550 | dSP; |
534 | I32 cxix = cxstack_ix; |
551 | I32 cxix = cxstack_ix; |
… | |
… | |
609 | * of perl.c:init_stacks, except that it uses less memory |
626 | * of perl.c:init_stacks, except that it uses less memory |
610 | * on the (sometimes correct) assumption that coroutines do |
627 | * on the (sometimes correct) assumption that coroutines do |
611 | * not usually need a lot of stackspace. |
628 | * not usually need a lot of stackspace. |
612 | */ |
629 | */ |
613 | #if CORO_PREFER_PERL_FUNCTIONS |
630 | #if CORO_PREFER_PERL_FUNCTIONS |
614 | # define coro_init_stacks init_stacks |
631 | # define coro_init_stacks(thx) init_stacks () |
615 | #else |
632 | #else |
616 | static void |
633 | static void |
617 | coro_init_stacks (pTHX) |
634 | coro_init_stacks (pTHX) |
618 | { |
635 | { |
619 | PL_curstackinfo = new_stackinfo(32, 8); |
636 | PL_curstackinfo = new_stackinfo(32, 8); |
… | |
… | |
682 | #if !PERL_VERSION_ATLEAST (5,10,0) |
699 | #if !PERL_VERSION_ATLEAST (5,10,0) |
683 | Safefree (PL_retstack); |
700 | Safefree (PL_retstack); |
684 | #endif |
701 | #endif |
685 | } |
702 | } |
686 | |
703 | |
|
|
704 | #define CORO_RSS \ |
|
|
705 | rss += sizeof (SYM (curstackinfo)); \ |
|
|
706 | rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \ |
|
|
707 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \ |
|
|
708 | rss += SYM (tmps_max) * sizeof (SV *); \ |
|
|
709 | rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \ |
|
|
710 | rss += SYM (scopestack_max) * sizeof (I32); \ |
|
|
711 | rss += SYM (savestack_max) * sizeof (ANY); |
|
|
712 | |
687 | static size_t |
713 | static size_t |
688 | coro_rss (pTHX_ struct coro *coro) |
714 | coro_rss (pTHX_ struct coro *coro) |
689 | { |
715 | { |
690 | size_t rss = sizeof (*coro); |
716 | size_t rss = sizeof (*coro); |
691 | |
717 | |
692 | if (coro->mainstack) |
718 | if (coro->mainstack) |
693 | { |
719 | { |
694 | perl_slots tmp_slot; |
|
|
695 | perl_slots *slot; |
|
|
696 | |
|
|
697 | if (coro->flags & CF_RUNNING) |
720 | if (coro->flags & CF_RUNNING) |
698 | { |
721 | { |
699 | slot = &tmp_slot; |
722 | #define SYM(sym) PL_ ## sym |
700 | |
723 | CORO_RSS; |
701 | #define VAR(name,type) slot->name = PL_ ## name; |
|
|
702 | # include "state.h" |
|
|
703 | #undef VAR |
724 | #undef SYM |
704 | } |
725 | } |
705 | else |
726 | else |
706 | slot = coro->slot; |
|
|
707 | |
|
|
708 | if (slot) |
|
|
709 | { |
727 | { |
710 | rss += sizeof (slot->curstackinfo); |
728 | #define SYM(sym) coro->slot->sym |
711 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
729 | CORO_RSS; |
712 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
730 | #undef SYM |
713 | rss += slot->tmps_max * sizeof (SV *); |
|
|
714 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
|
|
715 | rss += slot->scopestack_max * sizeof (I32); |
|
|
716 | rss += slot->savestack_max * sizeof (ANY); |
|
|
717 | |
|
|
718 | #if !PERL_VERSION_ATLEAST (5,10,0) |
|
|
719 | rss += slot->retstack_max * sizeof (OP *); |
|
|
720 | #endif |
|
|
721 | } |
731 | } |
722 | } |
732 | } |
723 | |
733 | |
724 | return rss; |
734 | return rss; |
725 | } |
735 | } |
… | |
… | |
826 | static int |
836 | static int |
827 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
837 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
828 | { |
838 | { |
829 | return 0; |
839 | return 0; |
830 | } |
840 | } |
|
|
841 | |
|
|
842 | static int |
|
|
843 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
|
|
844 | { |
|
|
845 | return 1; |
|
|
846 | } |
|
|
847 | |
|
|
848 | static UNOP coro_setup_op; |
831 | |
849 | |
832 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
850 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
833 | coro_setup (pTHX_ struct coro *coro) |
851 | coro_setup (pTHX_ struct coro *coro) |
834 | { |
852 | { |
835 | /* |
853 | /* |
… | |
… | |
864 | { |
882 | { |
865 | dSP; |
883 | dSP; |
866 | UNOP myop; |
884 | UNOP myop; |
867 | |
885 | |
868 | Zero (&myop, 1, UNOP); |
886 | Zero (&myop, 1, UNOP); |
869 | myop.op_next = Nullop; |
887 | myop.op_next = Nullop; |
|
|
888 | myop.op_type = OP_ENTERSUB; |
870 | myop.op_flags = OPf_WANT_VOID; |
889 | myop.op_flags = OPf_WANT_VOID; |
871 | |
890 | |
872 | PUSHMARK (SP); |
891 | PUSHMARK (SP); |
873 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
892 | PUSHs ((SV *)coro->startcv); |
874 | PUTBACK; |
893 | PUTBACK; |
875 | PL_op = (OP *)&myop; |
894 | PL_op = (OP *)&myop; |
876 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
895 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
877 | SPAGAIN; |
|
|
878 | } |
896 | } |
879 | |
897 | |
880 | /* this newly created coroutine might be run on an existing cctx which most |
898 | /* this newly created coroutine might be run on an existing cctx which most |
881 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
899 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
882 | */ |
900 | */ |
883 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
901 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
884 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
902 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
885 | |
903 | |
886 | coro_throw = coro->throw; |
904 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
|
|
905 | coro_setup_op.op_next = PL_op; |
|
|
906 | coro_setup_op.op_type = OP_CUSTOM; |
|
|
907 | coro_setup_op.op_ppaddr = pp_slf; |
|
|
908 | /* no flags etc. required, as an init function won't be called */ |
|
|
909 | |
|
|
910 | PL_op = (OP *)&coro_setup_op; |
|
|
911 | |
|
|
912 | /* copy throw, in case it was set before coro_setup */ |
|
|
913 | CORO_THROW = coro->except; |
887 | } |
914 | } |
888 | |
915 | |
889 | static void |
916 | static void |
890 | coro_destruct (pTHX_ struct coro *coro) |
917 | coro_destruct (pTHX_ struct coro *coro) |
891 | { |
918 | { |
… | |
… | |
915 | |
942 | |
916 | SvREFCNT_dec (PL_diehook); |
943 | SvREFCNT_dec (PL_diehook); |
917 | SvREFCNT_dec (PL_warnhook); |
944 | SvREFCNT_dec (PL_warnhook); |
918 | |
945 | |
919 | SvREFCNT_dec (coro->saved_deffh); |
946 | SvREFCNT_dec (coro->saved_deffh); |
920 | SvREFCNT_dec (coro_throw); |
947 | SvREFCNT_dec (coro->rouse_cb); |
|
|
948 | SvREFCNT_dec (coro->invoke_cb); |
|
|
949 | SvREFCNT_dec (coro->invoke_av); |
921 | |
950 | |
922 | coro_destruct_stacks (aTHX); |
951 | coro_destruct_stacks (aTHX); |
923 | } |
952 | } |
924 | |
953 | |
925 | INLINE void |
954 | INLINE void |
… | |
… | |
997 | { |
1026 | { |
998 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1027 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
999 | |
1028 | |
1000 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1029 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1001 | { |
1030 | { |
1002 | runops_proc_t old_runops = PL_runops; |
|
|
1003 | dSP; |
1031 | dSP; |
1004 | GV *gv = CvGV (cx->blk_sub.cv); |
1032 | GV *gv = CvGV (cx->blk_sub.cv); |
1005 | SV *fullname = sv_2mortal (newSV (0)); |
1033 | SV *fullname = sv_2mortal (newSV (0)); |
1006 | |
1034 | |
1007 | if (isGV (gv)) |
1035 | if (isGV (gv)) |
… | |
… | |
1012 | SAVETMPS; |
1040 | SAVETMPS; |
1013 | EXTEND (SP, 3); |
1041 | EXTEND (SP, 3); |
1014 | PUSHMARK (SP); |
1042 | PUSHMARK (SP); |
1015 | PUSHs (&PL_sv_yes); |
1043 | PUSHs (&PL_sv_yes); |
1016 | PUSHs (fullname); |
1044 | PUSHs (fullname); |
1017 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1045 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1018 | PUTBACK; |
1046 | PUTBACK; |
1019 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1047 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1020 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1048 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1021 | SPAGAIN; |
1049 | SPAGAIN; |
1022 | FREETMPS; |
1050 | FREETMPS; |
… | |
… | |
1054 | |
1082 | |
1055 | TAINT_NOT; |
1083 | TAINT_NOT; |
1056 | return 0; |
1084 | return 0; |
1057 | } |
1085 | } |
1058 | |
1086 | |
|
|
1087 | static struct coro_cctx *cctx_ssl_cctx; |
|
|
1088 | static struct CoroSLF cctx_ssl_frame; |
|
|
1089 | |
1059 | static void |
1090 | static void |
1060 | prepare_set_stacklevel (struct coro_transfer_args *ta, struct coro_cctx *cctx) |
1091 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1061 | { |
1092 | { |
1062 | ta->prev = (struct coro *)cctx; |
1093 | ta->prev = (struct coro *)cctx_ssl_cctx; |
1063 | ta->next = 0; |
1094 | ta->next = 0; |
1064 | } |
1095 | } |
1065 | |
1096 | |
1066 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
1097 | static int |
1067 | /* _cctx_init should be careful, as it could be called at almost any time */ |
1098 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1068 | /* during execution of a perl program */ |
1099 | { |
1069 | /* also initialises PL_top_env */ |
1100 | *frame = cctx_ssl_frame; |
|
|
1101 | |
|
|
1102 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
|
|
1103 | } |
|
|
1104 | |
|
|
1105 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1070 | static void NOINLINE |
1106 | static void NOINLINE |
1071 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1107 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1072 | { |
1108 | { |
1073 | dSP; |
|
|
1074 | UNOP myop; |
|
|
1075 | |
|
|
1076 | PL_top_env = &PL_start_env; |
1109 | PL_top_env = &PL_start_env; |
1077 | |
1110 | |
1078 | if (cctx->flags & CC_TRACE) |
1111 | if (cctx->flags & CC_TRACE) |
1079 | PL_runops = runops_trace; |
1112 | PL_runops = runops_trace; |
1080 | |
1113 | |
1081 | Zero (&myop, 1, UNOP); |
1114 | /* we already must be executing an SLF op, there is no other valid way |
1082 | myop.op_next = PL_op; |
1115 | * that can lead to creation of a new cctx */ |
1083 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
1116 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
|
|
1117 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1084 | |
1118 | |
1085 | PUSHMARK (SP); |
1119 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1086 | EXTEND (SP, 2); |
1120 | cctx_ssl_cctx = cctx; |
1087 | PUSHs (sv_2mortal (newSViv ((IV)cctx))); |
1121 | cctx_ssl_frame = slf_frame; |
1088 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
1122 | |
1089 | PUTBACK; |
1123 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1090 | PL_op = (OP *)&myop; |
1124 | slf_frame.check = slf_check_set_stacklevel; |
1091 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
1092 | SPAGAIN; |
|
|
1093 | } |
1125 | } |
1094 | |
1126 | |
1095 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1127 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1096 | INLINE void |
1128 | INLINE void |
1097 | transfer_tail (pTHX) |
1129 | transfer_tail (pTHX) |
… | |
… | |
1124 | transfer_tail (aTHX); |
1156 | transfer_tail (aTHX); |
1125 | |
1157 | |
1126 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1158 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1127 | PL_restartop = PL_op; |
1159 | PL_restartop = PL_op; |
1128 | perl_run (PL_curinterp); |
1160 | perl_run (PL_curinterp); |
|
|
1161 | /* |
|
|
1162 | * Unfortunately, there is no way to get at the return values of the |
|
|
1163 | * coro body here, as perl_run destroys these |
|
|
1164 | */ |
1129 | |
1165 | |
1130 | /* |
1166 | /* |
1131 | * If perl-run returns we assume exit() was being called or the coro |
1167 | * If perl-run returns we assume exit() was being called or the coro |
1132 | * fell off the end, which seems to be the only valid (non-bug) |
1168 | * fell off the end, which seems to be the only valid (non-bug) |
1133 | * reason for perl_run to return. We try to exit by jumping to the |
1169 | * reason for perl_run to return. We try to exit by jumping to the |
… | |
… | |
1313 | dSTACKLEVEL; |
1349 | dSTACKLEVEL; |
1314 | |
1350 | |
1315 | /* sometimes transfer is only called to set idle_sp */ |
1351 | /* sometimes transfer is only called to set idle_sp */ |
1316 | if (expect_false (!next)) |
1352 | if (expect_false (!next)) |
1317 | { |
1353 | { |
1318 | ((coro_cctx *)prev)->idle_sp = (void *)stacklevel; |
1354 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1319 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1355 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1320 | } |
1356 | } |
1321 | else if (expect_true (prev != next)) |
1357 | else if (expect_true (prev != next)) |
1322 | { |
1358 | { |
1323 | coro_cctx *prev__cctx; |
1359 | coro_cctx *prev__cctx; |
… | |
… | |
1348 | |
1384 | |
1349 | prev__cctx = prev->cctx; |
1385 | prev__cctx = prev->cctx; |
1350 | |
1386 | |
1351 | /* possibly untie and reuse the cctx */ |
1387 | /* possibly untie and reuse the cctx */ |
1352 | if (expect_true ( |
1388 | if (expect_true ( |
1353 | prev__cctx->idle_sp == (void *)stacklevel |
1389 | prev__cctx->idle_sp == STACKLEVEL |
1354 | && !(prev__cctx->flags & CC_TRACE) |
1390 | && !(prev__cctx->flags & CC_TRACE) |
1355 | && !force_cctx |
1391 | && !force_cctx |
1356 | )) |
1392 | )) |
1357 | { |
1393 | { |
1358 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1394 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
… | |
… | |
1425 | |
1461 | |
1426 | coro->slot = 0; |
1462 | coro->slot = 0; |
1427 | } |
1463 | } |
1428 | |
1464 | |
1429 | cctx_destroy (coro->cctx); |
1465 | cctx_destroy (coro->cctx); |
|
|
1466 | SvREFCNT_dec (coro->startcv); |
1430 | SvREFCNT_dec (coro->args); |
1467 | SvREFCNT_dec (coro->args); |
|
|
1468 | SvREFCNT_dec (CORO_THROW); |
1431 | |
1469 | |
1432 | if (coro->next) coro->next->prev = coro->prev; |
1470 | if (coro->next) coro->next->prev = coro->prev; |
1433 | if (coro->prev) coro->prev->next = coro->next; |
1471 | if (coro->prev) coro->prev->next = coro->next; |
1434 | if (coro == coro_first) coro_first = coro->next; |
1472 | if (coro == coro_first) coro_first = coro->next; |
1435 | |
1473 | |
… | |
… | |
1489 | |
1527 | |
1490 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1528 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1491 | TRANSFER (ta, 1); |
1529 | TRANSFER (ta, 1); |
1492 | } |
1530 | } |
1493 | |
1531 | |
|
|
1532 | /*****************************************************************************/ |
|
|
1533 | /* gensub: simple closure generation utility */ |
|
|
1534 | |
|
|
1535 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1536 | |
|
|
1537 | /* create a closure from XS, returns a code reference */ |
|
|
1538 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1539 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1540 | static SV * |
|
|
1541 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1542 | { |
|
|
1543 | CV *cv = (CV *)newSV (0); |
|
|
1544 | |
|
|
1545 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1546 | |
|
|
1547 | CvANON_on (cv); |
|
|
1548 | CvISXSUB_on (cv); |
|
|
1549 | CvXSUB (cv) = xsub; |
|
|
1550 | GENSUB_ARG = arg; |
|
|
1551 | |
|
|
1552 | return newRV_noinc ((SV *)cv); |
|
|
1553 | } |
|
|
1554 | |
1494 | /** Coro ********************************************************************/ |
1555 | /** Coro ********************************************************************/ |
1495 | |
1556 | |
1496 | INLINE void |
1557 | INLINE void |
1497 | coro_enq (pTHX_ struct coro *coro) |
1558 | coro_enq (pTHX_ struct coro *coro) |
1498 | { |
1559 | { |
… | |
… | |
1541 | ENTER; |
1602 | ENTER; |
1542 | SAVETMPS; |
1603 | SAVETMPS; |
1543 | |
1604 | |
1544 | PUSHMARK (SP); |
1605 | PUSHMARK (SP); |
1545 | PUTBACK; |
1606 | PUTBACK; |
1546 | call_sv (sv_hook, G_DISCARD); |
1607 | call_sv (sv_hook, G_VOID | G_DISCARD); |
1547 | SPAGAIN; |
|
|
1548 | |
1608 | |
1549 | FREETMPS; |
1609 | FREETMPS; |
1550 | LEAVE; |
1610 | LEAVE; |
1551 | } |
1611 | } |
1552 | |
1612 | |
… | |
… | |
1560 | api_is_ready (pTHX_ SV *coro_sv) |
1620 | api_is_ready (pTHX_ SV *coro_sv) |
1561 | { |
1621 | { |
1562 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1622 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1563 | } |
1623 | } |
1564 | |
1624 | |
|
|
1625 | /* expects to own a reference to next->hv */ |
1565 | INLINE void |
1626 | INLINE void |
|
|
1627 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
|
|
1628 | { |
|
|
1629 | SV *prev_sv = SvRV (coro_current); |
|
|
1630 | |
|
|
1631 | ta->prev = SvSTATE_hv (prev_sv); |
|
|
1632 | ta->next = next; |
|
|
1633 | |
|
|
1634 | TRANSFER_CHECK (*ta); |
|
|
1635 | |
|
|
1636 | SvRV_set (coro_current, (SV *)next->hv); |
|
|
1637 | |
|
|
1638 | free_coro_mortal (aTHX); |
|
|
1639 | coro_mortal = prev_sv; |
|
|
1640 | } |
|
|
1641 | |
|
|
1642 | static void |
1566 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1643 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1567 | { |
1644 | { |
1568 | SV *prev_sv, *next_sv; |
|
|
1569 | |
|
|
1570 | for (;;) |
1645 | for (;;) |
1571 | { |
1646 | { |
1572 | next_sv = coro_deq (aTHX); |
1647 | SV *next_sv = coro_deq (aTHX); |
1573 | |
1648 | |
1574 | /* nothing to schedule: call the idle handler */ |
|
|
1575 | if (expect_false (!next_sv)) |
1649 | if (expect_true (next_sv)) |
1576 | { |
1650 | { |
|
|
1651 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1652 | |
|
|
1653 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1654 | if (expect_false (next->flags & CF_DESTROYED)) |
|
|
1655 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
|
|
1656 | else |
|
|
1657 | { |
|
|
1658 | next->flags &= ~CF_READY; |
|
|
1659 | --coro_nready; |
|
|
1660 | |
|
|
1661 | prepare_schedule_to (aTHX_ ta, next); |
|
|
1662 | break; |
|
|
1663 | } |
|
|
1664 | } |
|
|
1665 | else |
|
|
1666 | { |
|
|
1667 | /* nothing to schedule: call the idle handler */ |
1577 | dSP; |
1668 | dSP; |
1578 | |
1669 | |
1579 | ENTER; |
1670 | ENTER; |
1580 | SAVETMPS; |
1671 | SAVETMPS; |
1581 | |
1672 | |
1582 | PUSHMARK (SP); |
1673 | PUSHMARK (SP); |
1583 | PUTBACK; |
1674 | PUTBACK; |
1584 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
1675 | call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD); |
1585 | SPAGAIN; |
|
|
1586 | |
1676 | |
1587 | FREETMPS; |
1677 | FREETMPS; |
1588 | LEAVE; |
1678 | LEAVE; |
1589 | continue; |
|
|
1590 | } |
1679 | } |
1591 | |
|
|
1592 | ta->next = SvSTATE_hv (next_sv); |
|
|
1593 | |
|
|
1594 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1595 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
|
|
1596 | { |
|
|
1597 | SvREFCNT_dec (next_sv); |
|
|
1598 | /* coro_nready has already been taken care of by destroy */ |
|
|
1599 | continue; |
|
|
1600 | } |
|
|
1601 | |
|
|
1602 | --coro_nready; |
|
|
1603 | break; |
|
|
1604 | } |
1680 | } |
1605 | |
|
|
1606 | /* free this only after the transfer */ |
|
|
1607 | prev_sv = SvRV (coro_current); |
|
|
1608 | ta->prev = SvSTATE_hv (prev_sv); |
|
|
1609 | TRANSFER_CHECK (*ta); |
|
|
1610 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
|
|
1611 | ta->next->flags &= ~CF_READY; |
|
|
1612 | SvRV_set (coro_current, next_sv); |
|
|
1613 | |
|
|
1614 | free_coro_mortal (aTHX); |
|
|
1615 | coro_mortal = prev_sv; |
|
|
1616 | } |
1681 | } |
1617 | |
1682 | |
1618 | INLINE void |
1683 | INLINE void |
1619 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1684 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1620 | { |
1685 | { |
… | |
… | |
1641 | { |
1706 | { |
1642 | struct coro_transfer_args ta; |
1707 | struct coro_transfer_args ta; |
1643 | |
1708 | |
1644 | prepare_schedule (aTHX_ &ta); |
1709 | prepare_schedule (aTHX_ &ta); |
1645 | TRANSFER (ta, 1); |
1710 | TRANSFER (ta, 1); |
|
|
1711 | } |
|
|
1712 | |
|
|
1713 | static void |
|
|
1714 | api_schedule_to (pTHX_ SV *coro_sv) |
|
|
1715 | { |
|
|
1716 | struct coro_transfer_args ta; |
|
|
1717 | struct coro *next = SvSTATE (coro_sv); |
|
|
1718 | |
|
|
1719 | SvREFCNT_inc_NN (coro_sv); |
|
|
1720 | prepare_schedule_to (aTHX_ &ta, next); |
1646 | } |
1721 | } |
1647 | |
1722 | |
1648 | static int |
1723 | static int |
1649 | api_cede (pTHX) |
1724 | api_cede (pTHX) |
1650 | { |
1725 | { |
… | |
… | |
1697 | if (coro->flags & CF_RUNNING) |
1772 | if (coro->flags & CF_RUNNING) |
1698 | PL_runops = RUNOPS_DEFAULT; |
1773 | PL_runops = RUNOPS_DEFAULT; |
1699 | else |
1774 | else |
1700 | coro->slot->runops = RUNOPS_DEFAULT; |
1775 | coro->slot->runops = RUNOPS_DEFAULT; |
1701 | } |
1776 | } |
|
|
1777 | } |
|
|
1778 | |
|
|
1779 | static void |
|
|
1780 | coro_call_on_destroy (pTHX_ struct coro *coro) |
|
|
1781 | { |
|
|
1782 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
|
|
1783 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1784 | |
|
|
1785 | if (on_destroyp) |
|
|
1786 | { |
|
|
1787 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1788 | |
|
|
1789 | while (AvFILLp (on_destroy) >= 0) |
|
|
1790 | { |
|
|
1791 | dSP; /* don't disturb outer sp */ |
|
|
1792 | SV *cb = av_pop (on_destroy); |
|
|
1793 | |
|
|
1794 | PUSHMARK (SP); |
|
|
1795 | |
|
|
1796 | if (statusp) |
|
|
1797 | { |
|
|
1798 | int i; |
|
|
1799 | AV *status = (AV *)SvRV (*statusp); |
|
|
1800 | EXTEND (SP, AvFILLp (status) + 1); |
|
|
1801 | |
|
|
1802 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1803 | PUSHs (AvARRAY (status)[i]); |
|
|
1804 | } |
|
|
1805 | |
|
|
1806 | PUTBACK; |
|
|
1807 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
|
|
1808 | } |
|
|
1809 | } |
|
|
1810 | } |
|
|
1811 | |
|
|
1812 | static void |
|
|
1813 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1814 | { |
|
|
1815 | int i; |
|
|
1816 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1817 | AV *av = newAV (); |
|
|
1818 | |
|
|
1819 | av_extend (av, items - 1); |
|
|
1820 | for (i = 0; i < items; ++i) |
|
|
1821 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
1822 | |
|
|
1823 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
1824 | |
|
|
1825 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
|
|
1826 | api_ready (aTHX_ sv_manager); |
|
|
1827 | |
|
|
1828 | frame->prepare = prepare_schedule; |
|
|
1829 | frame->check = slf_check_repeat; |
|
|
1830 | } |
|
|
1831 | |
|
|
1832 | /*****************************************************************************/ |
|
|
1833 | /* async pool handler */ |
|
|
1834 | |
|
|
1835 | static int |
|
|
1836 | slf_check_pool_handler (pTHX_ struct CoroSLF *frame) |
|
|
1837 | { |
|
|
1838 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1839 | struct coro *coro = (struct coro *)frame->data; |
|
|
1840 | |
|
|
1841 | if (!coro->invoke_cb) |
|
|
1842 | return 1; /* loop till we have invoke */ |
|
|
1843 | else |
|
|
1844 | { |
|
|
1845 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
1846 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
1847 | |
|
|
1848 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
1849 | |
|
|
1850 | { |
|
|
1851 | dSP; |
|
|
1852 | XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0; |
|
|
1853 | PUTBACK; |
|
|
1854 | } |
|
|
1855 | |
|
|
1856 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
1857 | GvAV (PL_defgv) = coro->invoke_av; |
|
|
1858 | coro->invoke_av = 0; |
|
|
1859 | |
|
|
1860 | return 0; |
|
|
1861 | } |
|
|
1862 | } |
|
|
1863 | |
|
|
1864 | static void |
|
|
1865 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1866 | { |
|
|
1867 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1868 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
1869 | |
|
|
1870 | if (expect_true (coro->saved_deffh)) |
|
|
1871 | { |
|
|
1872 | /* subsequent iteration */ |
|
|
1873 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
1874 | coro->saved_deffh = 0; |
|
|
1875 | |
|
|
1876 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
1877 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1878 | { |
|
|
1879 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
|
|
1880 | coro->invoke_av = newAV (); |
|
|
1881 | |
|
|
1882 | frame->prepare = prepare_nop; |
|
|
1883 | } |
|
|
1884 | else |
|
|
1885 | { |
|
|
1886 | av_clear (GvAV (PL_defgv)); |
|
|
1887 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
|
|
1888 | |
|
|
1889 | coro->prio = 0; |
|
|
1890 | |
|
|
1891 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
1892 | api_trace (aTHX_ coro_current, 0); |
|
|
1893 | |
|
|
1894 | frame->prepare = prepare_schedule; |
|
|
1895 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
|
|
1896 | } |
|
|
1897 | } |
|
|
1898 | else |
|
|
1899 | { |
|
|
1900 | /* first iteration, simply fall through */ |
|
|
1901 | frame->prepare = prepare_nop; |
|
|
1902 | } |
|
|
1903 | |
|
|
1904 | frame->check = slf_check_pool_handler; |
|
|
1905 | frame->data = (void *)coro; |
|
|
1906 | } |
|
|
1907 | |
|
|
1908 | /*****************************************************************************/ |
|
|
1909 | /* rouse callback */ |
|
|
1910 | |
|
|
1911 | #define CORO_MAGIC_type_rouse PERL_MAGIC_ext |
|
|
1912 | |
|
|
1913 | static void |
|
|
1914 | coro_rouse_callback (pTHX_ CV *cv) |
|
|
1915 | { |
|
|
1916 | dXSARGS; |
|
|
1917 | SV *data = (SV *)GENSUB_ARG; |
|
|
1918 | |
|
|
1919 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
1920 | { |
|
|
1921 | /* first call, set args */ |
|
|
1922 | AV *av = newAV (); |
|
|
1923 | SV *coro = SvRV (data); |
|
|
1924 | |
|
|
1925 | SvRV_set (data, (SV *)av); |
|
|
1926 | api_ready (aTHX_ coro); |
|
|
1927 | SvREFCNT_dec (coro); |
|
|
1928 | |
|
|
1929 | /* better take a full copy of the arguments */ |
|
|
1930 | while (items--) |
|
|
1931 | av_store (av, items, newSVsv (ST (items))); |
|
|
1932 | } |
|
|
1933 | |
|
|
1934 | XSRETURN_EMPTY; |
|
|
1935 | } |
|
|
1936 | |
|
|
1937 | static int |
|
|
1938 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
|
|
1939 | { |
|
|
1940 | SV *data = (SV *)frame->data; |
|
|
1941 | |
|
|
1942 | if (CORO_THROW) |
|
|
1943 | return 0; |
|
|
1944 | |
|
|
1945 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
1946 | return 1; |
|
|
1947 | |
|
|
1948 | /* now push all results on the stack */ |
|
|
1949 | { |
|
|
1950 | dSP; |
|
|
1951 | AV *av = (AV *)SvRV (data); |
|
|
1952 | int i; |
|
|
1953 | |
|
|
1954 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
1955 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
1956 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
|
|
1957 | |
|
|
1958 | /* we have stolen the elements, so ste length to zero and free */ |
|
|
1959 | AvFILLp (av) = -1; |
|
|
1960 | av_undef (av); |
|
|
1961 | |
|
|
1962 | PUTBACK; |
|
|
1963 | } |
|
|
1964 | |
|
|
1965 | return 0; |
|
|
1966 | } |
|
|
1967 | |
|
|
1968 | static void |
|
|
1969 | slf_init_rouse_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1970 | { |
|
|
1971 | SV *cb; |
|
|
1972 | |
|
|
1973 | if (items) |
|
|
1974 | cb = arg [0]; |
|
|
1975 | else |
|
|
1976 | { |
|
|
1977 | struct coro *coro = SvSTATE_current; |
|
|
1978 | |
|
|
1979 | if (!coro->rouse_cb) |
|
|
1980 | croak ("Coro::rouse_wait called without rouse callback, and no default rouse callback found either,"); |
|
|
1981 | |
|
|
1982 | cb = sv_2mortal (coro->rouse_cb); |
|
|
1983 | coro->rouse_cb = 0; |
|
|
1984 | } |
|
|
1985 | |
|
|
1986 | if (!SvROK (cb) |
|
|
1987 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
|
|
1988 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
|
|
1989 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
|
|
1990 | |
|
|
1991 | { |
|
|
1992 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
|
|
1993 | SV *data = (SV *)GENSUB_ARG; |
|
|
1994 | |
|
|
1995 | frame->data = (void *)data; |
|
|
1996 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
|
|
1997 | frame->check = slf_check_rouse_wait; |
|
|
1998 | } |
|
|
1999 | } |
|
|
2000 | |
|
|
2001 | static SV * |
|
|
2002 | coro_new_rouse_cb (pTHX) |
|
|
2003 | { |
|
|
2004 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2005 | struct coro *coro = SvSTATE_hv (hv); |
|
|
2006 | SV *data = newRV_inc ((SV *)hv); |
|
|
2007 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
|
|
2008 | |
|
|
2009 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
|
|
2010 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
|
|
2011 | |
|
|
2012 | SvREFCNT_dec (coro->rouse_cb); |
|
|
2013 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
|
|
2014 | |
|
|
2015 | return cb; |
|
|
2016 | } |
|
|
2017 | |
|
|
2018 | /*****************************************************************************/ |
|
|
2019 | /* schedule-like-function opcode (SLF) */ |
|
|
2020 | |
|
|
2021 | static UNOP slf_restore; /* restore stack as entersub did, for first-re-run */ |
|
|
2022 | static const CV *slf_cv; |
|
|
2023 | static SV **slf_argv; |
|
|
2024 | static int slf_argc, slf_arga; /* count, allocated */ |
|
|
2025 | static I32 slf_ax; /* top of stack, for restore */ |
|
|
2026 | |
|
|
2027 | /* this restores the stack in the case we patched the entersub, to */ |
|
|
2028 | /* recreate the stack frame as perl will on following calls */ |
|
|
2029 | /* since entersub cleared the stack */ |
|
|
2030 | static OP * |
|
|
2031 | pp_restore (pTHX) |
|
|
2032 | { |
|
|
2033 | int i; |
|
|
2034 | SV **SP = PL_stack_base + slf_ax; |
|
|
2035 | |
|
|
2036 | PUSHMARK (SP); |
|
|
2037 | |
|
|
2038 | EXTEND (SP, slf_argc + 1); |
|
|
2039 | |
|
|
2040 | for (i = 0; i < slf_argc; ++i) |
|
|
2041 | PUSHs (sv_2mortal (slf_argv [i])); |
|
|
2042 | |
|
|
2043 | PUSHs ((SV *)CvGV (slf_cv)); |
|
|
2044 | |
|
|
2045 | RETURNOP (slf_restore.op_first); |
|
|
2046 | } |
|
|
2047 | |
|
|
2048 | static void |
|
|
2049 | slf_prepare_transfer (pTHX_ struct coro_transfer_args *ta) |
|
|
2050 | { |
|
|
2051 | SV **arg = (SV **)slf_frame.data; |
|
|
2052 | |
|
|
2053 | prepare_transfer (aTHX_ ta, arg [0], arg [1]); |
|
|
2054 | } |
|
|
2055 | |
|
|
2056 | static void |
|
|
2057 | slf_init_transfer (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2058 | { |
|
|
2059 | if (items != 2) |
|
|
2060 | croak ("Coro::State::transfer (prev, next) expects two arguments, not %d,", items); |
|
|
2061 | |
|
|
2062 | frame->prepare = slf_prepare_transfer; |
|
|
2063 | frame->check = slf_check_nop; |
|
|
2064 | frame->data = (void *)arg; /* let's hope it will stay valid */ |
|
|
2065 | } |
|
|
2066 | |
|
|
2067 | static void |
|
|
2068 | slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2069 | { |
|
|
2070 | frame->prepare = prepare_schedule; |
|
|
2071 | frame->check = slf_check_nop; |
|
|
2072 | } |
|
|
2073 | |
|
|
2074 | static void |
|
|
2075 | slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta) |
|
|
2076 | { |
|
|
2077 | struct coro *next = (struct coro *)slf_frame.data; |
|
|
2078 | |
|
|
2079 | SvREFCNT_inc_NN (next->hv); |
|
|
2080 | prepare_schedule_to (aTHX_ ta, next); |
|
|
2081 | } |
|
|
2082 | |
|
|
2083 | static void |
|
|
2084 | slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2085 | { |
|
|
2086 | if (!items) |
|
|
2087 | croak ("Coro::schedule_to expects a coroutine argument, caught"); |
|
|
2088 | |
|
|
2089 | frame->data = (void *)SvSTATE (arg [0]); |
|
|
2090 | frame->prepare = slf_prepare_schedule_to; |
|
|
2091 | frame->check = slf_check_nop; |
|
|
2092 | } |
|
|
2093 | |
|
|
2094 | static void |
|
|
2095 | slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2096 | { |
|
|
2097 | api_ready (aTHX_ SvRV (coro_current)); |
|
|
2098 | |
|
|
2099 | slf_init_schedule_to (aTHX_ frame, cv, arg, items); |
|
|
2100 | } |
|
|
2101 | |
|
|
2102 | static void |
|
|
2103 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2104 | { |
|
|
2105 | frame->prepare = prepare_cede; |
|
|
2106 | frame->check = slf_check_nop; |
|
|
2107 | } |
|
|
2108 | |
|
|
2109 | static void |
|
|
2110 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2111 | { |
|
|
2112 | frame->prepare = prepare_cede_notself; |
|
|
2113 | frame->check = slf_check_nop; |
|
|
2114 | } |
|
|
2115 | |
|
|
2116 | /* |
|
|
2117 | * these not obviously related functions are all rolled into one |
|
|
2118 | * function to increase chances that they all will call transfer with the same |
|
|
2119 | * stack offset |
|
|
2120 | * SLF stands for "schedule-like-function". |
|
|
2121 | */ |
|
|
2122 | static OP * |
|
|
2123 | pp_slf (pTHX) |
|
|
2124 | { |
|
|
2125 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
|
|
2126 | |
|
|
2127 | /* set up the slf frame, unless it has already been set-up */ |
|
|
2128 | /* the latter happens when a new coro has been started */ |
|
|
2129 | /* or when a new cctx was attached to an existing coroutine */ |
|
|
2130 | if (expect_true (!slf_frame.prepare)) |
|
|
2131 | { |
|
|
2132 | /* first iteration */ |
|
|
2133 | dSP; |
|
|
2134 | SV **arg = PL_stack_base + TOPMARK + 1; |
|
|
2135 | int items = SP - arg; /* args without function object */ |
|
|
2136 | SV *gv = *sp; |
|
|
2137 | |
|
|
2138 | /* do a quick consistency check on the "function" object, and if it isn't */ |
|
|
2139 | /* for us, divert to the real entersub */ |
|
|
2140 | if (SvTYPE (gv) != SVt_PVGV |
|
|
2141 | || !GvCV (gv) |
|
|
2142 | || !(CvFLAGS (GvCV (gv)) & CVf_SLF)) |
|
|
2143 | return PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
2144 | |
|
|
2145 | if (!(PL_op->op_flags & OPf_STACKED)) |
|
|
2146 | { |
|
|
2147 | /* ampersand-form of call, use @_ instead of stack */ |
|
|
2148 | AV *av = GvAV (PL_defgv); |
|
|
2149 | arg = AvARRAY (av); |
|
|
2150 | items = AvFILLp (av) + 1; |
|
|
2151 | } |
|
|
2152 | |
|
|
2153 | /* now call the init function, which needs to set up slf_frame */ |
|
|
2154 | ((coro_slf_cb)CvXSUBANY (GvCV (gv)).any_ptr) |
|
|
2155 | (aTHX_ &slf_frame, GvCV (gv), arg, items); |
|
|
2156 | |
|
|
2157 | /* pop args */ |
|
|
2158 | SP = PL_stack_base + POPMARK; |
|
|
2159 | |
|
|
2160 | PUTBACK; |
|
|
2161 | } |
|
|
2162 | |
|
|
2163 | /* now that we have a slf_frame, interpret it! */ |
|
|
2164 | /* we use a callback system not to make the code needlessly */ |
|
|
2165 | /* complicated, but so we can run multiple perl coros from one cctx */ |
|
|
2166 | |
|
|
2167 | do |
|
|
2168 | { |
|
|
2169 | struct coro_transfer_args ta; |
|
|
2170 | |
|
|
2171 | slf_frame.prepare (aTHX_ &ta); |
|
|
2172 | TRANSFER (ta, 0); |
|
|
2173 | |
|
|
2174 | checkmark = PL_stack_sp - PL_stack_base; |
|
|
2175 | } |
|
|
2176 | while (slf_frame.check (aTHX_ &slf_frame)); |
|
|
2177 | |
|
|
2178 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
|
|
2179 | |
|
|
2180 | /* exception handling */ |
|
|
2181 | if (expect_false (CORO_THROW)) |
|
|
2182 | { |
|
|
2183 | SV *exception = sv_2mortal (CORO_THROW); |
|
|
2184 | |
|
|
2185 | CORO_THROW = 0; |
|
|
2186 | sv_setsv (ERRSV, exception); |
|
|
2187 | croak (0); |
|
|
2188 | } |
|
|
2189 | |
|
|
2190 | /* return value handling - mostly like entersub */ |
|
|
2191 | /* make sure we put something on the stack in scalar context */ |
|
|
2192 | if (GIMME_V == G_SCALAR) |
|
|
2193 | { |
|
|
2194 | dSP; |
|
|
2195 | SV **bot = PL_stack_base + checkmark; |
|
|
2196 | |
|
|
2197 | if (sp == bot) /* too few, push undef */ |
|
|
2198 | bot [1] = &PL_sv_undef; |
|
|
2199 | else if (sp != bot + 1) /* too many, take last one */ |
|
|
2200 | bot [1] = *sp; |
|
|
2201 | |
|
|
2202 | SP = bot + 1; |
|
|
2203 | |
|
|
2204 | PUTBACK; |
|
|
2205 | } |
|
|
2206 | |
|
|
2207 | return NORMAL; |
|
|
2208 | } |
|
|
2209 | |
|
|
2210 | static void |
|
|
2211 | api_execute_slf (pTHX_ CV *cv, coro_slf_cb init_cb, I32 ax) |
|
|
2212 | { |
|
|
2213 | int i; |
|
|
2214 | SV **arg = PL_stack_base + ax; |
|
|
2215 | int items = PL_stack_sp - arg + 1; |
|
|
2216 | |
|
|
2217 | assert (("FATAL: SLF call with illegal CV value", !CvANON (cv))); |
|
|
2218 | |
|
|
2219 | if (PL_op->op_ppaddr != PL_ppaddr [OP_ENTERSUB] |
|
|
2220 | && PL_op->op_ppaddr != pp_slf) |
|
|
2221 | croak ("FATAL: Coro SLF calls can only be made normally, not via goto or any other means, caught"); |
|
|
2222 | |
|
|
2223 | CvFLAGS (cv) |= CVf_SLF; |
|
|
2224 | CvXSUBANY (cv).any_ptr = (void *)init_cb; |
|
|
2225 | slf_cv = cv; |
|
|
2226 | |
|
|
2227 | /* we patch the op, and then re-run the whole call */ |
|
|
2228 | /* we have to put the same argument on the stack for this to work */ |
|
|
2229 | /* and this will be done by pp_restore */ |
|
|
2230 | slf_restore.op_next = (OP *)&slf_restore; |
|
|
2231 | slf_restore.op_type = OP_CUSTOM; |
|
|
2232 | slf_restore.op_ppaddr = pp_restore; |
|
|
2233 | slf_restore.op_first = PL_op; |
|
|
2234 | |
|
|
2235 | slf_ax = ax - 1; /* undo the ax++ inside dAXMARK */ |
|
|
2236 | |
|
|
2237 | if (PL_op->op_flags & OPf_STACKED) |
|
|
2238 | { |
|
|
2239 | if (items > slf_arga) |
|
|
2240 | { |
|
|
2241 | slf_arga = items; |
|
|
2242 | free (slf_argv); |
|
|
2243 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
|
|
2244 | } |
|
|
2245 | |
|
|
2246 | slf_argc = items; |
|
|
2247 | |
|
|
2248 | for (i = 0; i < items; ++i) |
|
|
2249 | slf_argv [i] = SvREFCNT_inc (arg [i]); |
|
|
2250 | } |
|
|
2251 | else |
|
|
2252 | slf_argc = 0; |
|
|
2253 | |
|
|
2254 | PL_op->op_ppaddr = pp_slf; |
|
|
2255 | PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */ |
|
|
2256 | |
|
|
2257 | PL_op = (OP *)&slf_restore; |
1702 | } |
2258 | } |
1703 | |
2259 | |
1704 | /*****************************************************************************/ |
2260 | /*****************************************************************************/ |
1705 | /* PerlIO::cede */ |
2261 | /* PerlIO::cede */ |
1706 | |
2262 | |
… | |
… | |
1775 | PerlIOBuf_get_cnt, |
2331 | PerlIOBuf_get_cnt, |
1776 | PerlIOBuf_set_ptrcnt, |
2332 | PerlIOBuf_set_ptrcnt, |
1777 | }; |
2333 | }; |
1778 | |
2334 | |
1779 | /*****************************************************************************/ |
2335 | /*****************************************************************************/ |
|
|
2336 | /* Coro::Semaphore & Coro::Signal */ |
1780 | |
2337 | |
1781 | static UNOP slf_restore; /* restore stack as entersub did, for first-re-run */ |
|
|
1782 | static const CV *slf_cv; |
|
|
1783 | static SV **slf_argv; |
|
|
1784 | static int slf_argc, slf_arga; /* count, allocated */ |
|
|
1785 | static I32 slf_ax; /* top of stack, for restore */ |
|
|
1786 | |
|
|
1787 | /* this restores the stack in the case we patched the entersub, to */ |
|
|
1788 | /* recreate the stack frame as perl will on following calls */ |
|
|
1789 | /* since entersub cleared the stack */ |
|
|
1790 | static OP * |
2338 | static SV * |
1791 | pp_restore (pTHX) |
2339 | coro_waitarray_new (pTHX_ int count) |
1792 | { |
2340 | { |
1793 | int i; |
2341 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
1794 | SV **SP = PL_stack_base + slf_ax; |
2342 | AV *av = newAV (); |
|
|
2343 | SV **ary; |
1795 | |
2344 | |
1796 | PUSHMARK (SP); |
2345 | /* unfortunately, building manually saves memory */ |
|
|
2346 | Newx (ary, 2, SV *); |
|
|
2347 | AvALLOC (av) = ary; |
|
|
2348 | /*AvARRAY (av) = ary;*/ |
|
|
2349 | SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */ |
|
|
2350 | AvMAX (av) = 1; |
|
|
2351 | AvFILLp (av) = 0; |
|
|
2352 | ary [0] = newSViv (count); |
1797 | |
2353 | |
1798 | EXTEND (SP, slf_argc + 1); |
2354 | return newRV_noinc ((SV *)av); |
1799 | |
|
|
1800 | for (i = 0; i < slf_argc; ++i) |
|
|
1801 | PUSHs (sv_2mortal (slf_argv [i])); |
|
|
1802 | |
|
|
1803 | PUSHs ((SV *)CvGV (slf_cv)); |
|
|
1804 | |
|
|
1805 | RETURNOP (slf_restore.op_first); |
|
|
1806 | } |
2355 | } |
1807 | |
2356 | |
1808 | static void |
2357 | /* semaphore */ |
1809 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
|
|
1810 | { |
|
|
1811 | prepare_set_stacklevel (ta, (struct coro_cctx *)slf_frame.data); |
|
|
1812 | } |
|
|
1813 | |
|
|
1814 | static void |
|
|
1815 | slf_init_set_stacklevel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1816 | { |
|
|
1817 | assert (("FATAL: set_stacklevel needs the coro cctx as sole argument", items == 1)); |
|
|
1818 | |
|
|
1819 | frame->prepare = slf_prepare_set_stacklevel; |
|
|
1820 | frame->check = slf_check_nop; |
|
|
1821 | frame->data = (void *)SvIV (arg [0]); |
|
|
1822 | } |
|
|
1823 | |
|
|
1824 | static void |
|
|
1825 | slf_prepare_transfer (pTHX_ struct coro_transfer_args *ta) |
|
|
1826 | { |
|
|
1827 | SV **arg = (SV **)slf_frame.data; |
|
|
1828 | |
|
|
1829 | prepare_transfer (aTHX_ ta, arg [0], arg [1]); |
|
|
1830 | } |
|
|
1831 | |
|
|
1832 | static void |
|
|
1833 | slf_init_transfer (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1834 | { |
|
|
1835 | if (items != 2) |
|
|
1836 | croak ("Coro::State::transfer (prev, next) expects two arguments, not %d,", items); |
|
|
1837 | |
|
|
1838 | frame->prepare = slf_prepare_transfer; |
|
|
1839 | frame->check = slf_check_nop; |
|
|
1840 | frame->data = (void *)arg; /* let's hope it will stay valid */ |
|
|
1841 | } |
|
|
1842 | |
|
|
1843 | static void |
|
|
1844 | slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1845 | { |
|
|
1846 | frame->prepare = prepare_schedule; |
|
|
1847 | frame->check = slf_check_nop; |
|
|
1848 | } |
|
|
1849 | |
|
|
1850 | static void |
|
|
1851 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1852 | { |
|
|
1853 | frame->prepare = prepare_cede; |
|
|
1854 | frame->check = slf_check_nop; |
|
|
1855 | } |
|
|
1856 | |
|
|
1857 | static void |
|
|
1858 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1859 | { |
|
|
1860 | frame->prepare = prepare_cede_notself; |
|
|
1861 | frame->check = slf_check_nop; |
|
|
1862 | } |
|
|
1863 | |
|
|
1864 | /* we hijack an hopefully unused CV flag for our purposes */ |
|
|
1865 | #define CVf_SLF 0x4000 |
|
|
1866 | |
|
|
1867 | /* |
|
|
1868 | * these not obviously related functions are all rolled into one |
|
|
1869 | * function to increase chances that they all will call transfer with the same |
|
|
1870 | * stack offset |
|
|
1871 | * SLF stands for "schedule-like-function". |
|
|
1872 | */ |
|
|
1873 | static OP * |
|
|
1874 | pp_slf (pTHX) |
|
|
1875 | { |
|
|
1876 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
|
|
1877 | |
|
|
1878 | /* set up the slf frame, unless it has already been set-up */ |
|
|
1879 | /* the latter happens when a new coro has been started */ |
|
|
1880 | /* or when a new cctx was attached to an existing coroutine */ |
|
|
1881 | if (expect_true (!slf_frame.prepare)) |
|
|
1882 | { |
|
|
1883 | /* first iteration */ |
|
|
1884 | dSP; |
|
|
1885 | SV **arg = PL_stack_base + TOPMARK + 1; |
|
|
1886 | int items = SP - arg; /* args without function object */ |
|
|
1887 | SV *gv = *sp; |
|
|
1888 | |
|
|
1889 | /* do a quick consistency check on the "function" object, and if it isn't */ |
|
|
1890 | /* for us, divert to the real entersub */ |
|
|
1891 | if (SvTYPE (gv) != SVt_PVGV || !(CvFLAGS (GvCV (gv)) & CVf_SLF)) |
|
|
1892 | return PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
1893 | |
|
|
1894 | if (!(PL_op->op_flags & OPf_STACKED)) |
|
|
1895 | { |
|
|
1896 | /* ampersand-form of call, use @_ instead of stack */ |
|
|
1897 | AV *av = GvAV (PL_defgv); |
|
|
1898 | arg = AvARRAY (av); |
|
|
1899 | items = AvFILLp (av) + 1; |
|
|
1900 | } |
|
|
1901 | |
|
|
1902 | /* now call the init function, which needs to set up slf_frame */ |
|
|
1903 | ((coro_slf_cb)CvXSUBANY (GvCV (gv)).any_ptr) |
|
|
1904 | (aTHX_ &slf_frame, GvCV (gv), arg, items); |
|
|
1905 | |
|
|
1906 | /* pop args */ |
|
|
1907 | SP = PL_stack_base + POPMARK; |
|
|
1908 | |
|
|
1909 | PUTBACK; |
|
|
1910 | } |
|
|
1911 | |
|
|
1912 | /* now that we have a slf_frame, interpret it! */ |
|
|
1913 | /* we use a callback system not to make the code needlessly */ |
|
|
1914 | /* complicated, but so we can run multiple perl coros from one cctx */ |
|
|
1915 | |
|
|
1916 | do |
|
|
1917 | { |
|
|
1918 | struct coro_transfer_args ta; |
|
|
1919 | |
|
|
1920 | slf_frame.prepare (aTHX_ &ta); |
|
|
1921 | TRANSFER (ta, 0); |
|
|
1922 | |
|
|
1923 | checkmark = PL_stack_sp - PL_stack_base; |
|
|
1924 | } |
|
|
1925 | while (slf_frame.check (aTHX_ &slf_frame)); |
|
|
1926 | |
|
|
1927 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
|
|
1928 | |
|
|
1929 | /* return value handling - mostly like entersub */ |
|
|
1930 | { |
|
|
1931 | dSP; |
|
|
1932 | SV **bot = PL_stack_base + checkmark; |
|
|
1933 | int gimme = GIMME_V; |
|
|
1934 | |
|
|
1935 | /* make sure we put something on the stack in scalar context */ |
|
|
1936 | if (gimme == G_SCALAR) |
|
|
1937 | { |
|
|
1938 | if (sp == bot) |
|
|
1939 | XPUSHs (&PL_sv_undef); |
|
|
1940 | |
|
|
1941 | SP = bot + 1; |
|
|
1942 | } |
|
|
1943 | |
|
|
1944 | PUTBACK; |
|
|
1945 | } |
|
|
1946 | |
|
|
1947 | /* exception handling */ |
|
|
1948 | if (expect_false (coro_throw)) |
|
|
1949 | { |
|
|
1950 | SV *exception = sv_2mortal (coro_throw); |
|
|
1951 | |
|
|
1952 | coro_throw = 0; |
|
|
1953 | sv_setsv (ERRSV, exception); |
|
|
1954 | croak (0); |
|
|
1955 | } |
|
|
1956 | |
|
|
1957 | return NORMAL; |
|
|
1958 | } |
|
|
1959 | |
|
|
1960 | static void |
|
|
1961 | api_execute_slf (pTHX_ CV *cv, coro_slf_cb init_cb, I32 ax) |
|
|
1962 | { |
|
|
1963 | int i; |
|
|
1964 | SV **arg = PL_stack_base + ax; |
|
|
1965 | int items = PL_stack_sp - arg + 1; |
|
|
1966 | |
|
|
1967 | assert (("FATAL: SLF call with illegal CV value", !CvANON (cv))); |
|
|
1968 | |
|
|
1969 | if (PL_op->op_ppaddr != PL_ppaddr [OP_ENTERSUB] |
|
|
1970 | && PL_op->op_ppaddr != pp_slf) |
|
|
1971 | croak ("FATAL: Coro SLF calls can only be made normally, not via goto or any other means, caught"); |
|
|
1972 | |
|
|
1973 | CvFLAGS (cv) |= CVf_SLF; |
|
|
1974 | CvXSUBANY (cv).any_ptr = (void *)init_cb; |
|
|
1975 | slf_cv = cv; |
|
|
1976 | |
|
|
1977 | /* we patch the op, and then re-run the whole call */ |
|
|
1978 | /* we have to put the same argument on the stack for this to work */ |
|
|
1979 | /* and this will be done by pp_restore */ |
|
|
1980 | slf_restore.op_next = (OP *)&slf_restore; |
|
|
1981 | slf_restore.op_type = OP_CUSTOM; |
|
|
1982 | slf_restore.op_ppaddr = pp_restore; |
|
|
1983 | slf_restore.op_first = PL_op; |
|
|
1984 | |
|
|
1985 | slf_ax = ax - 1; /* undo the ax++ inside dAXMARK */ |
|
|
1986 | |
|
|
1987 | if (items > slf_arga) |
|
|
1988 | { |
|
|
1989 | slf_arga = items; |
|
|
1990 | free (slf_argv); |
|
|
1991 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
|
|
1992 | } |
|
|
1993 | |
|
|
1994 | slf_argc = items; |
|
|
1995 | |
|
|
1996 | for (i = 0; i < items; ++i) |
|
|
1997 | slf_argv [i] = SvREFCNT_inc (arg [i]); |
|
|
1998 | |
|
|
1999 | PL_op->op_ppaddr = pp_slf; |
|
|
2000 | PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */ |
|
|
2001 | |
|
|
2002 | PL_op = (OP *)&slf_restore; |
|
|
2003 | } |
|
|
2004 | |
|
|
2005 | /*****************************************************************************/ |
|
|
2006 | |
2358 | |
2007 | static void |
2359 | static void |
2008 | coro_semaphore_adjust (pTHX_ AV *av, IV adjust) |
2360 | coro_semaphore_adjust (pTHX_ AV *av, IV adjust) |
2009 | { |
2361 | { |
2010 | SV *count_sv = AvARRAY (av)[0]; |
2362 | SV *count_sv = AvARRAY (av)[0]; |
… | |
… | |
2022 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2374 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2023 | AvARRAY (av)[1] = count_sv; |
2375 | AvARRAY (av)[1] = count_sv; |
2024 | cb = av_shift (av); |
2376 | cb = av_shift (av); |
2025 | |
2377 | |
2026 | if (SvOBJECT (cb)) |
2378 | if (SvOBJECT (cb)) |
|
|
2379 | { |
2027 | api_ready (aTHX_ cb); |
2380 | api_ready (aTHX_ cb); |
2028 | else |
2381 | --count; |
2029 | croak ("callbacks not yet supported"); |
2382 | } |
|
|
2383 | else if (SvTYPE (cb) == SVt_PVCV) |
|
|
2384 | { |
|
|
2385 | dSP; |
|
|
2386 | PUSHMARK (SP); |
|
|
2387 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
2388 | PUTBACK; |
|
|
2389 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
2390 | } |
2030 | |
2391 | |
2031 | SvREFCNT_dec (cb); |
2392 | SvREFCNT_dec (cb); |
2032 | |
|
|
2033 | --count; |
|
|
2034 | } |
2393 | } |
2035 | } |
2394 | } |
2036 | |
2395 | |
2037 | static void |
2396 | static void |
2038 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2397 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
… | |
… | |
2040 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2399 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2041 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2400 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2042 | } |
2401 | } |
2043 | |
2402 | |
2044 | static int |
2403 | static int |
2045 | slf_check_semaphore_down (pTHX_ struct CoroSLF *frame) |
2404 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2046 | { |
2405 | { |
2047 | AV *av = (AV *)frame->data; |
2406 | AV *av = (AV *)frame->data; |
2048 | SV *count_sv = AvARRAY (av)[0]; |
2407 | SV *count_sv = AvARRAY (av)[0]; |
2049 | |
2408 | |
|
|
2409 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
|
|
2410 | if (CORO_THROW) |
|
|
2411 | return 0; |
2050 | if (SvIVX (count_sv) > 0) |
2412 | else if (SvIVX (count_sv) > 0) |
2051 | { |
2413 | { |
2052 | SvSTATE_current->on_destroy = 0; |
2414 | SvSTATE_current->on_destroy = 0; |
|
|
2415 | |
|
|
2416 | if (acquire) |
2053 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2417 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
|
|
2418 | else |
|
|
2419 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2420 | |
2054 | return 0; |
2421 | return 0; |
2055 | } |
2422 | } |
2056 | else |
2423 | else |
2057 | { |
2424 | { |
2058 | int i; |
2425 | int i; |
… | |
… | |
2067 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2434 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2068 | return 1; |
2435 | return 1; |
2069 | } |
2436 | } |
2070 | } |
2437 | } |
2071 | |
2438 | |
2072 | static void |
2439 | static int |
|
|
2440 | slf_check_semaphore_down (pTHX_ struct CoroSLF *frame) |
|
|
2441 | { |
|
|
2442 | return slf_check_semaphore_down_or_wait (aTHX_ frame, 1); |
|
|
2443 | } |
|
|
2444 | |
|
|
2445 | static int |
|
|
2446 | slf_check_semaphore_wait (pTHX_ struct CoroSLF *frame) |
|
|
2447 | { |
|
|
2448 | return slf_check_semaphore_down_or_wait (aTHX_ frame, 0); |
|
|
2449 | } |
|
|
2450 | |
|
|
2451 | static void |
2073 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2452 | slf_init_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2074 | { |
2453 | { |
2075 | AV *av = (AV *)SvRV (arg [0]); |
2454 | AV *av = (AV *)SvRV (arg [0]); |
2076 | |
2455 | |
2077 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2456 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2078 | { |
2457 | { |
2079 | frame->data = (void *)av; |
2458 | frame->data = (void *)av; |
2080 | frame->prepare = prepare_nop; |
2459 | frame->prepare = prepare_nop; |
2081 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
|
|
2082 | } |
2460 | } |
2083 | else |
2461 | else |
2084 | { |
2462 | { |
2085 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2463 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2086 | |
2464 | |
2087 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2465 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2088 | frame->prepare = prepare_schedule; |
2466 | frame->prepare = prepare_schedule; |
2089 | |
2467 | |
2090 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2468 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2091 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2469 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2092 | assert (!SvSTATE_current->on_destroy);//D |
|
|
2093 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2470 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2094 | } |
2471 | } |
|
|
2472 | } |
2095 | |
2473 | |
|
|
2474 | static void |
|
|
2475 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2476 | { |
|
|
2477 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
2096 | frame->check = slf_check_semaphore_down; |
2478 | frame->check = slf_check_semaphore_down; |
|
|
2479 | } |
2097 | |
2480 | |
|
|
2481 | static void |
|
|
2482 | slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2483 | { |
|
|
2484 | if (items >= 2) |
|
|
2485 | { |
|
|
2486 | /* callback form */ |
|
|
2487 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2488 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
|
|
2489 | |
|
|
2490 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
|
|
2491 | |
|
|
2492 | if (SvIVX (AvARRAY (av)[0]) > 0) |
|
|
2493 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2494 | |
|
|
2495 | frame->prepare = prepare_nop; |
|
|
2496 | frame->check = slf_check_nop; |
|
|
2497 | } |
|
|
2498 | else |
|
|
2499 | { |
|
|
2500 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
|
|
2501 | frame->check = slf_check_semaphore_wait; |
|
|
2502 | } |
|
|
2503 | } |
|
|
2504 | |
|
|
2505 | /* signal */ |
|
|
2506 | |
|
|
2507 | static void |
|
|
2508 | coro_signal_wake (pTHX_ AV *av, int count) |
|
|
2509 | { |
|
|
2510 | SvIVX (AvARRAY (av)[0]) = 0; |
|
|
2511 | |
|
|
2512 | /* now signal count waiters */ |
|
|
2513 | while (count > 0 && AvFILLp (av) > 0) |
|
|
2514 | { |
|
|
2515 | SV *cb; |
|
|
2516 | |
|
|
2517 | /* swap first two elements so we can shift a waiter */ |
|
|
2518 | cb = AvARRAY (av)[0]; |
|
|
2519 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
|
|
2520 | AvARRAY (av)[1] = cb; |
|
|
2521 | |
|
|
2522 | cb = av_shift (av); |
|
|
2523 | |
|
|
2524 | api_ready (aTHX_ cb); |
|
|
2525 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
2526 | SvREFCNT_dec (cb); |
|
|
2527 | |
|
|
2528 | --count; |
|
|
2529 | } |
|
|
2530 | } |
|
|
2531 | |
|
|
2532 | static int |
|
|
2533 | slf_check_signal_wait (pTHX_ struct CoroSLF *frame) |
|
|
2534 | { |
|
|
2535 | /* if we are about to throw, also stop waiting */ |
|
|
2536 | return SvROK ((SV *)frame->data) && !CORO_THROW; |
|
|
2537 | } |
|
|
2538 | |
|
|
2539 | static void |
|
|
2540 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2541 | { |
|
|
2542 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2543 | |
|
|
2544 | if (SvIVX (AvARRAY (av)[0])) |
|
|
2545 | { |
|
|
2546 | SvIVX (AvARRAY (av)[0]) = 0; |
|
|
2547 | frame->prepare = prepare_nop; |
|
|
2548 | frame->check = slf_check_nop; |
|
|
2549 | } |
|
|
2550 | else |
|
|
2551 | { |
|
|
2552 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
|
|
2553 | |
|
|
2554 | av_push (av, waiter); |
|
|
2555 | |
|
|
2556 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
|
|
2557 | frame->prepare = prepare_schedule; |
|
|
2558 | frame->check = slf_check_signal_wait; |
|
|
2559 | } |
2098 | } |
2560 | } |
2099 | |
2561 | |
2100 | /*****************************************************************************/ |
2562 | /*****************************************************************************/ |
|
|
2563 | /* Coro::AIO */ |
2101 | |
2564 | |
2102 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
2565 | #define CORO_MAGIC_type_aio PERL_MAGIC_ext |
2103 | |
2566 | |
2104 | /* create a closure from XS, returns a code reference */ |
2567 | /* helper storage struct */ |
2105 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
2568 | struct io_state |
2106 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
2107 | static SV * |
|
|
2108 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
2109 | { |
2569 | { |
2110 | CV *cv = (CV *)NEWSV (0, 0); |
2570 | int errorno; |
|
|
2571 | I32 laststype; /* U16 in 5.10.0 */ |
|
|
2572 | int laststatval; |
|
|
2573 | Stat_t statcache; |
|
|
2574 | }; |
2111 | |
2575 | |
|
|
2576 | static void |
|
|
2577 | coro_aio_callback (pTHX_ CV *cv) |
|
|
2578 | { |
|
|
2579 | dXSARGS; |
|
|
2580 | AV *state = (AV *)GENSUB_ARG; |
|
|
2581 | SV *coro = av_pop (state); |
|
|
2582 | SV *data_sv = newSV (sizeof (struct io_state)); |
|
|
2583 | |
|
|
2584 | av_extend (state, items - 1); |
|
|
2585 | |
2112 | sv_upgrade ((SV *)cv, SVt_PVCV); |
2586 | sv_upgrade (data_sv, SVt_PV); |
|
|
2587 | SvCUR_set (data_sv, sizeof (struct io_state)); |
|
|
2588 | SvPOK_only (data_sv); |
2113 | |
2589 | |
2114 | CvANON_on (cv); |
2590 | { |
2115 | CvISXSUB_on (cv); |
2591 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
2116 | CvXSUB (cv) = xsub; |
|
|
2117 | GENSUB_ARG = arg; |
|
|
2118 | |
2592 | |
2119 | return newRV_noinc ((SV *)cv); |
2593 | data->errorno = errno; |
|
|
2594 | data->laststype = PL_laststype; |
|
|
2595 | data->laststatval = PL_laststatval; |
|
|
2596 | data->statcache = PL_statcache; |
|
|
2597 | } |
|
|
2598 | |
|
|
2599 | /* now build the result vector out of all the parameters and the data_sv */ |
|
|
2600 | { |
|
|
2601 | int i; |
|
|
2602 | |
|
|
2603 | for (i = 0; i < items; ++i) |
|
|
2604 | av_push (state, SvREFCNT_inc_NN (ST (i))); |
|
|
2605 | } |
|
|
2606 | |
|
|
2607 | av_push (state, data_sv); |
|
|
2608 | |
|
|
2609 | api_ready (aTHX_ coro); |
|
|
2610 | SvREFCNT_dec (coro); |
|
|
2611 | SvREFCNT_dec ((AV *)state); |
|
|
2612 | } |
|
|
2613 | |
|
|
2614 | static int |
|
|
2615 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
|
|
2616 | { |
|
|
2617 | AV *state = (AV *)frame->data; |
|
|
2618 | |
|
|
2619 | /* if we are about to throw, return early */ |
|
|
2620 | /* this does not cancel the aio request, but at least */ |
|
|
2621 | /* it quickly returns */ |
|
|
2622 | if (CORO_THROW) |
|
|
2623 | return 0; |
|
|
2624 | |
|
|
2625 | /* one element that is an RV? repeat! */ |
|
|
2626 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
|
|
2627 | return 1; |
|
|
2628 | |
|
|
2629 | /* restore status */ |
|
|
2630 | { |
|
|
2631 | SV *data_sv = av_pop (state); |
|
|
2632 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
|
|
2633 | |
|
|
2634 | errno = data->errorno; |
|
|
2635 | PL_laststype = data->laststype; |
|
|
2636 | PL_laststatval = data->laststatval; |
|
|
2637 | PL_statcache = data->statcache; |
|
|
2638 | |
|
|
2639 | SvREFCNT_dec (data_sv); |
|
|
2640 | } |
|
|
2641 | |
|
|
2642 | /* push result values */ |
|
|
2643 | { |
|
|
2644 | dSP; |
|
|
2645 | int i; |
|
|
2646 | |
|
|
2647 | EXTEND (SP, AvFILLp (state) + 1); |
|
|
2648 | for (i = 0; i <= AvFILLp (state); ++i) |
|
|
2649 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (state)[i]))); |
|
|
2650 | |
|
|
2651 | PUTBACK; |
|
|
2652 | } |
|
|
2653 | |
|
|
2654 | return 0; |
|
|
2655 | } |
|
|
2656 | |
|
|
2657 | static void |
|
|
2658 | slf_init_aio_req (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2659 | { |
|
|
2660 | AV *state = (AV *)sv_2mortal ((SV *)newAV ()); |
|
|
2661 | SV *coro_hv = SvRV (coro_current); |
|
|
2662 | struct coro *coro = SvSTATE_hv (coro_hv); |
|
|
2663 | |
|
|
2664 | /* put our coroutine id on the state arg */ |
|
|
2665 | av_push (state, SvREFCNT_inc_NN (coro_hv)); |
|
|
2666 | |
|
|
2667 | /* first see whether we have a non-zero priority and set it as AIO prio */ |
|
|
2668 | if (coro->prio) |
|
|
2669 | { |
|
|
2670 | dSP; |
|
|
2671 | |
|
|
2672 | static SV *prio_cv; |
|
|
2673 | static SV *prio_sv; |
|
|
2674 | |
|
|
2675 | if (expect_false (!prio_cv)) |
|
|
2676 | { |
|
|
2677 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
|
|
2678 | prio_sv = newSViv (0); |
|
|
2679 | } |
|
|
2680 | |
|
|
2681 | PUSHMARK (SP); |
|
|
2682 | sv_setiv (prio_sv, coro->prio); |
|
|
2683 | XPUSHs (prio_sv); |
|
|
2684 | |
|
|
2685 | PUTBACK; |
|
|
2686 | call_sv (prio_cv, G_VOID | G_DISCARD); |
|
|
2687 | } |
|
|
2688 | |
|
|
2689 | /* now call the original request */ |
|
|
2690 | { |
|
|
2691 | dSP; |
|
|
2692 | CV *req = (CV *)CORO_MAGIC_NN ((SV *)cv, CORO_MAGIC_type_aio)->mg_obj; |
|
|
2693 | int i; |
|
|
2694 | |
|
|
2695 | PUSHMARK (SP); |
|
|
2696 | |
|
|
2697 | /* first push all args to the stack */ |
|
|
2698 | EXTEND (SP, items + 1); |
|
|
2699 | |
|
|
2700 | for (i = 0; i < items; ++i) |
|
|
2701 | PUSHs (arg [i]); |
|
|
2702 | |
|
|
2703 | /* now push the callback closure */ |
|
|
2704 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
|
|
2705 | |
|
|
2706 | /* now call the AIO function - we assume our request is uncancelable */ |
|
|
2707 | PUTBACK; |
|
|
2708 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
|
|
2709 | } |
|
|
2710 | |
|
|
2711 | /* now that the requets is going, we loop toll we have a result */ |
|
|
2712 | frame->data = (void *)state; |
|
|
2713 | frame->prepare = prepare_schedule; |
|
|
2714 | frame->check = slf_check_aio_req; |
|
|
2715 | } |
|
|
2716 | |
|
|
2717 | static void |
|
|
2718 | coro_aio_req_xs (pTHX_ CV *cv) |
|
|
2719 | { |
|
|
2720 | dXSARGS; |
|
|
2721 | |
|
|
2722 | CORO_EXECUTE_SLF_XS (slf_init_aio_req); |
|
|
2723 | |
|
|
2724 | XSRETURN_EMPTY; |
2120 | } |
2725 | } |
2121 | |
2726 | |
2122 | /*****************************************************************************/ |
2727 | /*****************************************************************************/ |
2123 | |
2728 | |
2124 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2729 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
… | |
… | |
2160 | |
2765 | |
2161 | { |
2766 | { |
2162 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
2767 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
2163 | |
2768 | |
2164 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
2769 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
2165 | hv_store_ent (PL_custom_op_names, slf, |
2770 | hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0); |
2166 | newSVpv ("coro_slf", 0), 0); |
|
|
2167 | |
2771 | |
2168 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
2772 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
2169 | hv_store_ent (PL_custom_op_descs, slf, |
2773 | hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0); |
2170 | newSVpv ("coro schedule like function", 0), 0); |
|
|
2171 | } |
2774 | } |
2172 | |
2775 | |
2173 | coroapi.ver = CORO_API_VERSION; |
2776 | coroapi.ver = CORO_API_VERSION; |
2174 | coroapi.rev = CORO_API_REVISION; |
2777 | coroapi.rev = CORO_API_REVISION; |
2175 | |
2778 | |
… | |
… | |
2194 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2797 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2195 | } |
2798 | } |
2196 | |
2799 | |
2197 | SV * |
2800 | SV * |
2198 | new (char *klass, ...) |
2801 | new (char *klass, ...) |
|
|
2802 | ALIAS: |
|
|
2803 | Coro::new = 1 |
2199 | CODE: |
2804 | CODE: |
2200 | { |
2805 | { |
2201 | struct coro *coro; |
2806 | struct coro *coro; |
2202 | MAGIC *mg; |
2807 | MAGIC *mg; |
2203 | HV *hv; |
2808 | HV *hv; |
|
|
2809 | CV *cb; |
2204 | int i; |
2810 | int i; |
|
|
2811 | |
|
|
2812 | if (items > 1) |
|
|
2813 | { |
|
|
2814 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2815 | |
|
|
2816 | if (!ix) |
|
|
2817 | { |
|
|
2818 | if (CvISXSUB (cb)) |
|
|
2819 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2820 | |
|
|
2821 | if (!CvROOT (cb)) |
|
|
2822 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2823 | } |
|
|
2824 | } |
2205 | |
2825 | |
2206 | Newz (0, coro, 1, struct coro); |
2826 | Newz (0, coro, 1, struct coro); |
2207 | coro->args = newAV (); |
2827 | coro->args = newAV (); |
2208 | coro->flags = CF_NEW; |
2828 | coro->flags = CF_NEW; |
2209 | |
2829 | |
… | |
… | |
2214 | coro->hv = hv = newHV (); |
2834 | coro->hv = hv = newHV (); |
2215 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
2835 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
2216 | mg->mg_flags |= MGf_DUP; |
2836 | mg->mg_flags |= MGf_DUP; |
2217 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
2837 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
2218 | |
2838 | |
|
|
2839 | if (items > 1) |
|
|
2840 | { |
2219 | av_extend (coro->args, items - 1); |
2841 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2842 | |
|
|
2843 | if (ix) |
|
|
2844 | { |
|
|
2845 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2846 | cb = cv_coro_run; |
|
|
2847 | } |
|
|
2848 | |
|
|
2849 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2850 | |
2220 | for (i = 1; i < items; i++) |
2851 | for (i = 2; i < items; i++) |
2221 | av_push (coro->args, newSVsv (ST (i))); |
2852 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2853 | } |
2222 | } |
2854 | } |
2223 | OUTPUT: |
2855 | OUTPUT: |
2224 | RETVAL |
2856 | RETVAL |
2225 | |
|
|
2226 | void |
|
|
2227 | _set_stacklevel (...) |
|
|
2228 | CODE: |
|
|
2229 | CORO_EXECUTE_SLF_XS (slf_init_set_stacklevel); |
|
|
2230 | |
2857 | |
2231 | void |
2858 | void |
2232 | transfer (...) |
2859 | transfer (...) |
2233 | PROTOTYPE: $$ |
2860 | PROTOTYPE: $$ |
2234 | CODE: |
2861 | CODE: |
… | |
… | |
2360 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
2987 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
2361 | PROTOTYPE: $;$ |
2988 | PROTOTYPE: $;$ |
2362 | CODE: |
2989 | CODE: |
2363 | { |
2990 | { |
2364 | struct coro *current = SvSTATE_current; |
2991 | struct coro *current = SvSTATE_current; |
2365 | SV **throwp = self == current ? &coro_throw : &self->throw; |
2992 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
2366 | SvREFCNT_dec (*throwp); |
2993 | SvREFCNT_dec (*throwp); |
2367 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
2994 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
2368 | } |
2995 | } |
2369 | |
2996 | |
2370 | void |
2997 | void |
… | |
… | |
2422 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3049 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
2423 | |
3050 | |
2424 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3051 | SV *tmp = *src; *src = *dst; *dst = tmp; |
2425 | } |
3052 | } |
2426 | |
3053 | |
|
|
3054 | |
2427 | MODULE = Coro::State PACKAGE = Coro |
3055 | MODULE = Coro::State PACKAGE = Coro |
2428 | |
3056 | |
2429 | BOOT: |
3057 | BOOT: |
2430 | { |
3058 | { |
2431 | int i; |
3059 | int i; |
2432 | |
3060 | |
2433 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2434 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3061 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
2435 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3062 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
2436 | |
3063 | cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); |
|
|
3064 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
2437 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
3065 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
2438 | SvREADONLY_on (coro_current); |
3066 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
3067 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
|
|
3068 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3069 | |
|
|
3070 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
|
|
3071 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
|
|
3072 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
|
|
3073 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
2439 | |
3074 | |
2440 | coro_stash = gv_stashpv ("Coro", TRUE); |
3075 | coro_stash = gv_stashpv ("Coro", TRUE); |
2441 | |
3076 | |
2442 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3077 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
2443 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3078 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
… | |
… | |
2451 | |
3086 | |
2452 | { |
3087 | { |
2453 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3088 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
2454 | |
3089 | |
2455 | coroapi.schedule = api_schedule; |
3090 | coroapi.schedule = api_schedule; |
|
|
3091 | coroapi.schedule_to = api_schedule_to; |
2456 | coroapi.cede = api_cede; |
3092 | coroapi.cede = api_cede; |
2457 | coroapi.cede_notself = api_cede_notself; |
3093 | coroapi.cede_notself = api_cede_notself; |
2458 | coroapi.ready = api_ready; |
3094 | coroapi.ready = api_ready; |
2459 | coroapi.is_ready = api_is_ready; |
3095 | coroapi.is_ready = api_is_ready; |
2460 | coroapi.nready = coro_nready; |
3096 | coroapi.nready = coro_nready; |
2461 | coroapi.current = coro_current; |
3097 | coroapi.current = coro_current; |
2462 | |
3098 | |
2463 | GCoroAPI = &coroapi; |
3099 | /*GCoroAPI = &coroapi;*/ |
2464 | sv_setiv (sv, (IV)&coroapi); |
3100 | sv_setiv (sv, (IV)&coroapi); |
2465 | SvREADONLY_on (sv); |
3101 | SvREADONLY_on (sv); |
2466 | } |
3102 | } |
2467 | } |
3103 | } |
|
|
3104 | |
|
|
3105 | void |
|
|
3106 | terminate (...) |
|
|
3107 | CODE: |
|
|
3108 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
2468 | |
3109 | |
2469 | void |
3110 | void |
2470 | schedule (...) |
3111 | schedule (...) |
2471 | CODE: |
3112 | CODE: |
2472 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3113 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
2473 | |
3114 | |
2474 | void |
3115 | void |
|
|
3116 | schedule_to (...) |
|
|
3117 | CODE: |
|
|
3118 | CORO_EXECUTE_SLF_XS (slf_init_schedule_to); |
|
|
3119 | |
|
|
3120 | void |
|
|
3121 | cede_to (...) |
|
|
3122 | CODE: |
|
|
3123 | CORO_EXECUTE_SLF_XS (slf_init_cede_to); |
|
|
3124 | |
|
|
3125 | void |
2475 | cede (...) |
3126 | cede (...) |
2476 | CODE: |
3127 | CODE: |
2477 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
3128 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
2478 | |
3129 | |
2479 | void |
3130 | void |
2480 | cede_notself (...) |
3131 | cede_notself (...) |
2481 | CODE: |
3132 | CODE: |
2482 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3133 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
|
|
3134 | |
|
|
3135 | void |
|
|
3136 | _cancel (Coro::State self) |
|
|
3137 | CODE: |
|
|
3138 | coro_state_destroy (aTHX_ self); |
|
|
3139 | coro_call_on_destroy (aTHX_ self); |
2483 | |
3140 | |
2484 | void |
3141 | void |
2485 | _set_current (SV *current) |
3142 | _set_current (SV *current) |
2486 | PROTOTYPE: $ |
3143 | PROTOTYPE: $ |
2487 | CODE: |
3144 | CODE: |
… | |
… | |
2532 | CODE: |
3189 | CODE: |
2533 | RETVAL = coro_nready; |
3190 | RETVAL = coro_nready; |
2534 | OUTPUT: |
3191 | OUTPUT: |
2535 | RETVAL |
3192 | RETVAL |
2536 | |
3193 | |
2537 | # for async_pool speedup |
|
|
2538 | void |
3194 | void |
2539 | _pool_1 (SV *cb) |
3195 | _pool_handler (...) |
2540 | CODE: |
3196 | CODE: |
2541 | { |
3197 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
2542 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2543 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
2544 | AV *defav = GvAV (PL_defgv); |
|
|
2545 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
2546 | AV *invoke_av; |
|
|
2547 | int i, len; |
|
|
2548 | |
|
|
2549 | if (!invoke) |
|
|
2550 | { |
|
|
2551 | SV *old = PL_diehook; |
|
|
2552 | PL_diehook = 0; |
|
|
2553 | SvREFCNT_dec (old); |
|
|
2554 | croak ("\3async_pool terminate\2\n"); |
|
|
2555 | } |
|
|
2556 | |
|
|
2557 | SvREFCNT_dec (coro->saved_deffh); |
|
|
2558 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
2559 | |
|
|
2560 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2561 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
2562 | |
|
|
2563 | invoke_av = (AV *)SvRV (invoke); |
|
|
2564 | len = av_len (invoke_av); |
|
|
2565 | |
|
|
2566 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
2567 | |
|
|
2568 | if (len > 0) |
|
|
2569 | { |
|
|
2570 | av_fill (defav, len - 1); |
|
|
2571 | for (i = 0; i < len; ++i) |
|
|
2572 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
|
|
2573 | } |
|
|
2574 | } |
|
|
2575 | |
3198 | |
2576 | void |
3199 | void |
2577 | _pool_2 (SV *cb) |
3200 | async_pool (SV *cv, ...) |
2578 | CODE: |
|
|
2579 | { |
|
|
2580 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2581 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
2582 | |
|
|
2583 | sv_setsv (cb, &PL_sv_undef); |
|
|
2584 | |
|
|
2585 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
2586 | coro->saved_deffh = 0; |
|
|
2587 | |
|
|
2588 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
2589 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2590 | { |
|
|
2591 | SV *old = PL_diehook; |
|
|
2592 | PL_diehook = 0; |
|
|
2593 | SvREFCNT_dec (old); |
|
|
2594 | croak ("\3async_pool terminate\2\n"); |
|
|
2595 | } |
|
|
2596 | |
|
|
2597 | av_clear (GvAV (PL_defgv)); |
|
|
2598 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2599 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
2600 | |
|
|
2601 | coro->prio = 0; |
|
|
2602 | |
|
|
2603 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
2604 | api_trace (aTHX_ coro_current, 0); |
|
|
2605 | |
|
|
2606 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
2607 | } |
|
|
2608 | |
|
|
2609 | |
|
|
2610 | MODULE = Coro::State PACKAGE = Coro::AIO |
|
|
2611 | |
|
|
2612 | void |
|
|
2613 | _get_state (SV *self) |
|
|
2614 | PROTOTYPE: $ |
3201 | PROTOTYPE: &@ |
2615 | PPCODE: |
3202 | PPCODE: |
2616 | { |
3203 | { |
2617 | AV *defav = GvAV (PL_defgv); |
3204 | HV *hv = (HV *)av_pop (av_async_pool); |
2618 | AV *av = newAV (); |
3205 | AV *av = newAV (); |
|
|
3206 | SV *cb = ST (0); |
2619 | int i; |
3207 | int i; |
2620 | SV *data_sv = newSV (sizeof (struct io_state)); |
|
|
2621 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
|
|
2622 | SvCUR_set (data_sv, sizeof (struct io_state)); |
|
|
2623 | SvPOK_only (data_sv); |
|
|
2624 | |
3208 | |
2625 | data->errorno = errno; |
3209 | av_extend (av, items - 2); |
2626 | data->laststype = PL_laststype; |
3210 | for (i = 1; i < items; ++i) |
2627 | data->laststatval = PL_laststatval; |
|
|
2628 | data->statcache = PL_statcache; |
|
|
2629 | |
|
|
2630 | av_extend (av, AvFILLp (defav) + 1 + 1); |
|
|
2631 | |
|
|
2632 | for (i = 0; i <= AvFILLp (defav); ++i) |
|
|
2633 | av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i])); |
3211 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
2634 | |
3212 | |
2635 | av_push (av, data_sv); |
3213 | if ((SV *)hv == &PL_sv_undef) |
2636 | |
|
|
2637 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
2638 | |
|
|
2639 | api_ready (aTHX_ self); |
|
|
2640 | } |
|
|
2641 | |
|
|
2642 | void |
|
|
2643 | _set_state (SV *state) |
|
|
2644 | PROTOTYPE: $ |
|
|
2645 | PPCODE: |
|
|
2646 | { |
|
|
2647 | AV *av = (AV *)SvRV (state); |
|
|
2648 | struct io_state *data = (struct io_state *)SvPVX (AvARRAY (av)[AvFILLp (av)]); |
|
|
2649 | int i; |
|
|
2650 | |
|
|
2651 | errno = data->errorno; |
|
|
2652 | PL_laststype = data->laststype; |
|
|
2653 | PL_laststatval = data->laststatval; |
|
|
2654 | PL_statcache = data->statcache; |
|
|
2655 | |
|
|
2656 | EXTEND (SP, AvFILLp (av)); |
|
|
2657 | for (i = 0; i < AvFILLp (av); ++i) |
|
|
2658 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i]))); |
|
|
2659 | } |
|
|
2660 | |
|
|
2661 | |
|
|
2662 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
|
|
2663 | |
|
|
2664 | BOOT: |
|
|
2665 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
|
|
2666 | |
|
|
2667 | void |
|
|
2668 | _schedule (...) |
|
|
2669 | CODE: |
|
|
2670 | { |
|
|
2671 | static int incede; |
|
|
2672 | |
|
|
2673 | api_cede_notself (aTHX); |
|
|
2674 | |
|
|
2675 | ++incede; |
|
|
2676 | while (coro_nready >= incede && api_cede (aTHX)) |
|
|
2677 | ; |
|
|
2678 | |
|
|
2679 | sv_setsv (sv_activity, &PL_sv_undef); |
|
|
2680 | if (coro_nready >= incede) |
|
|
2681 | { |
3214 | { |
2682 | PUSHMARK (SP); |
3215 | PUSHMARK (SP); |
|
|
3216 | EXTEND (SP, 2); |
|
|
3217 | PUSHs (sv_Coro); |
|
|
3218 | PUSHs ((SV *)cv_pool_handler); |
2683 | PUTBACK; |
3219 | PUTBACK; |
2684 | call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL); |
3220 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
2685 | SPAGAIN; |
3221 | SPAGAIN; |
|
|
3222 | |
|
|
3223 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
2686 | } |
3224 | } |
2687 | |
3225 | |
2688 | --incede; |
3226 | { |
|
|
3227 | struct coro *coro = SvSTATE_hv (hv); |
|
|
3228 | |
|
|
3229 | assert (!coro->invoke_cb); |
|
|
3230 | assert (!coro->invoke_av); |
|
|
3231 | coro->invoke_cb = SvREFCNT_inc (cb); |
|
|
3232 | coro->invoke_av = av; |
|
|
3233 | } |
|
|
3234 | |
|
|
3235 | api_ready (aTHX_ (SV *)hv); |
|
|
3236 | |
|
|
3237 | if (GIMME_V != G_VOID) |
|
|
3238 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
|
|
3239 | else |
|
|
3240 | SvREFCNT_dec (hv); |
2689 | } |
3241 | } |
|
|
3242 | |
|
|
3243 | SV * |
|
|
3244 | rouse_cb () |
|
|
3245 | PROTOTYPE: |
|
|
3246 | CODE: |
|
|
3247 | RETVAL = coro_new_rouse_cb (aTHX); |
|
|
3248 | OUTPUT: |
|
|
3249 | RETVAL |
|
|
3250 | |
|
|
3251 | void |
|
|
3252 | rouse_wait (...) |
|
|
3253 | PROTOTYPE: ;$ |
|
|
3254 | PPCODE: |
|
|
3255 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
2690 | |
3256 | |
2691 | |
3257 | |
2692 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3258 | MODULE = Coro::State PACKAGE = PerlIO::cede |
2693 | |
3259 | |
2694 | BOOT: |
3260 | BOOT: |
2695 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3261 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
2696 | |
3262 | |
|
|
3263 | |
2697 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3264 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
2698 | |
3265 | |
2699 | SV * |
3266 | SV * |
2700 | new (SV *klass, SV *count_ = 0) |
3267 | new (SV *klass, SV *count = 0) |
2701 | CODE: |
3268 | CODE: |
2702 | { |
3269 | RETVAL = sv_bless ( |
2703 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
3270 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
2704 | AV *av = newAV (); |
3271 | GvSTASH (CvGV (cv)) |
2705 | av_push (av, newSViv (count_ && SvOK (count_) ? SvIV (count_) : 1)); |
3272 | ); |
2706 | RETVAL = sv_bless (newRV_noinc ((SV *)av), GvSTASH (CvGV (cv))); |
3273 | OUTPUT: |
2707 | } |
3274 | RETVAL |
|
|
3275 | |
|
|
3276 | # helper for Coro::Channel |
|
|
3277 | SV * |
|
|
3278 | _alloc (int count) |
|
|
3279 | CODE: |
|
|
3280 | RETVAL = coro_waitarray_new (aTHX_ count); |
2708 | OUTPUT: |
3281 | OUTPUT: |
2709 | RETVAL |
3282 | RETVAL |
2710 | |
3283 | |
2711 | SV * |
3284 | SV * |
2712 | count (SV *self) |
3285 | count (SV *self) |
… | |
… | |
2721 | adjust = 1 |
3294 | adjust = 1 |
2722 | CODE: |
3295 | CODE: |
2723 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
3296 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
2724 | |
3297 | |
2725 | void |
3298 | void |
2726 | down (SV *self) |
3299 | down (...) |
2727 | CODE: |
3300 | CODE: |
2728 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
3301 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
|
|
3302 | |
|
|
3303 | void |
|
|
3304 | wait (...) |
|
|
3305 | CODE: |
|
|
3306 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait); |
2729 | |
3307 | |
2730 | void |
3308 | void |
2731 | try (SV *self) |
3309 | try (SV *self) |
2732 | PPCODE: |
3310 | PPCODE: |
2733 | { |
3311 | { |
… | |
… | |
2745 | XSRETURN_NO; |
3323 | XSRETURN_NO; |
2746 | } |
3324 | } |
2747 | |
3325 | |
2748 | void |
3326 | void |
2749 | waiters (SV *self) |
3327 | waiters (SV *self) |
2750 | CODE: |
3328 | PPCODE: |
2751 | { |
3329 | { |
2752 | AV *av = (AV *)SvRV (self); |
3330 | AV *av = (AV *)SvRV (self); |
|
|
3331 | int wcount = AvFILLp (av) + 1 - 1; |
2753 | |
3332 | |
2754 | if (GIMME_V == G_SCALAR) |
3333 | if (GIMME_V == G_SCALAR) |
2755 | XPUSHs (sv_2mortal (newSVsv (AvARRAY (av)[0]))); |
3334 | XPUSHs (sv_2mortal (newSViv (wcount))); |
2756 | else |
3335 | else |
2757 | { |
3336 | { |
2758 | int i; |
3337 | int i; |
2759 | EXTEND (SP, AvFILLp (av) + 1 - 1); |
3338 | EXTEND (SP, wcount); |
2760 | for (i = 1; i <= AvFILLp (av); ++i) |
3339 | for (i = 1; i <= wcount; ++i) |
2761 | PUSHs (newSVsv (AvARRAY (av)[i])); |
3340 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
2762 | } |
3341 | } |
2763 | } |
3342 | } |
2764 | |
3343 | |
|
|
3344 | MODULE = Coro::State PACKAGE = Coro::Signal |
|
|
3345 | |
|
|
3346 | SV * |
|
|
3347 | new (SV *klass) |
|
|
3348 | CODE: |
|
|
3349 | RETVAL = sv_bless ( |
|
|
3350 | coro_waitarray_new (aTHX_ 0), |
|
|
3351 | GvSTASH (CvGV (cv)) |
|
|
3352 | ); |
|
|
3353 | OUTPUT: |
|
|
3354 | RETVAL |
|
|
3355 | |
|
|
3356 | void |
|
|
3357 | wait (...) |
|
|
3358 | CODE: |
|
|
3359 | CORO_EXECUTE_SLF_XS (slf_init_signal_wait); |
|
|
3360 | |
|
|
3361 | void |
|
|
3362 | broadcast (SV *self) |
|
|
3363 | CODE: |
|
|
3364 | { |
|
|
3365 | AV *av = (AV *)SvRV (self); |
|
|
3366 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
|
|
3367 | } |
|
|
3368 | |
|
|
3369 | void |
|
|
3370 | send (SV *self) |
|
|
3371 | CODE: |
|
|
3372 | { |
|
|
3373 | AV *av = (AV *)SvRV (self); |
|
|
3374 | |
|
|
3375 | if (AvFILLp (av)) |
|
|
3376 | coro_signal_wake (aTHX_ av, 1); |
|
|
3377 | else |
|
|
3378 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
|
|
3379 | } |
|
|
3380 | |
|
|
3381 | IV |
|
|
3382 | awaited (SV *self) |
|
|
3383 | CODE: |
|
|
3384 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
|
|
3385 | OUTPUT: |
|
|
3386 | RETVAL |
|
|
3387 | |
|
|
3388 | |
|
|
3389 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
|
|
3390 | |
|
|
3391 | BOOT: |
|
|
3392 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
|
|
3393 | |
|
|
3394 | void |
|
|
3395 | _schedule (...) |
|
|
3396 | CODE: |
|
|
3397 | { |
|
|
3398 | static int incede; |
|
|
3399 | |
|
|
3400 | api_cede_notself (aTHX); |
|
|
3401 | |
|
|
3402 | ++incede; |
|
|
3403 | while (coro_nready >= incede && api_cede (aTHX)) |
|
|
3404 | ; |
|
|
3405 | |
|
|
3406 | sv_setsv (sv_activity, &PL_sv_undef); |
|
|
3407 | if (coro_nready >= incede) |
|
|
3408 | { |
|
|
3409 | PUSHMARK (SP); |
|
|
3410 | PUTBACK; |
|
|
3411 | call_pv ("Coro::AnyEvent::_activity", G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
3412 | } |
|
|
3413 | |
|
|
3414 | --incede; |
|
|
3415 | } |
|
|
3416 | |
|
|
3417 | |
|
|
3418 | MODULE = Coro::State PACKAGE = Coro::AIO |
|
|
3419 | |
|
|
3420 | void |
|
|
3421 | _register (char *target, char *proto, SV *req) |
|
|
3422 | CODE: |
|
|
3423 | { |
|
|
3424 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
|
|
3425 | /* newXSproto doesn't return the CV on 5.8 */ |
|
|
3426 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
|
|
3427 | sv_setpv ((SV *)slf_cv, proto); |
|
|
3428 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
|
|
3429 | } |
|
|
3430 | |