… | |
… | |
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 |
|
|
101 | # define CvISXSUB_on(cv) (void)cv |
|
|
102 | #endif |
|
|
103 | #ifndef CvISXSUB |
|
|
104 | # define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE) |
|
|
105 | #endif |
|
|
106 | #ifndef Newx |
|
|
107 | # define Newx(ptr,nitems,type) New (0,ptr,nitems,type) |
|
|
108 | #endif |
100 | |
109 | |
101 | /* 5.8.7 */ |
110 | /* 5.8.7 */ |
102 | #ifndef SvRV_set |
111 | #ifndef SvRV_set |
103 | # define SvRV_set(s,v) SvRV(s) = (v) |
112 | # define SvRV_set(s,v) SvRV(s) = (v) |
104 | #endif |
113 | #endif |
… | |
… | |
117 | #endif |
126 | #endif |
118 | |
127 | |
119 | /* The next macros try to return the current stack pointer, in an as |
128 | /* The next macros try to return the current stack pointer, in an as |
120 | * portable way as possible. */ |
129 | * portable way as possible. */ |
121 | #if __GNUC__ >= 4 |
130 | #if __GNUC__ >= 4 |
|
|
131 | # define dSTACKLEVEL int stacklevel_dummy |
122 | # define dSTACKLEVEL void *stacklevel = __builtin_frame_address (0) |
132 | # define STACKLEVEL __builtin_frame_address (0) |
123 | #else |
133 | #else |
124 | # define dSTACKLEVEL volatile void *stacklevel = (volatile void *)&stacklevel |
134 | # define dSTACKLEVEL volatile void *stacklevel |
|
|
135 | # define STACKLEVEL ((void *)&stacklevel) |
125 | #endif |
136 | #endif |
126 | |
137 | |
127 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
138 | #define IN_DESTRUCT PL_dirty |
128 | |
139 | |
129 | #if __GNUC__ >= 3 |
140 | #if __GNUC__ >= 3 |
130 | # define attribute(x) __attribute__(x) |
141 | # define attribute(x) __attribute__(x) |
131 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
142 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
132 | # define INLINE static inline |
143 | # define INLINE static inline |
… | |
… | |
140 | #define expect_true(expr) expect ((expr) != 0, 1) |
151 | #define expect_true(expr) expect ((expr) != 0, 1) |
141 | |
152 | |
142 | #define NOINLINE attribute ((noinline)) |
153 | #define NOINLINE attribute ((noinline)) |
143 | |
154 | |
144 | #include "CoroAPI.h" |
155 | #include "CoroAPI.h" |
|
|
156 | #define GCoroAPI (&coroapi) /* very sneaky */ |
145 | |
157 | |
146 | #ifdef USE_ITHREADS |
158 | #ifdef USE_ITHREADS |
147 | |
|
|
148 | static perl_mutex coro_lock; |
|
|
149 | # define LOCK do { MUTEX_LOCK (&coro_lock); } while (0) |
|
|
150 | # define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0) |
|
|
151 | # if CORO_PTHREAD |
159 | # if CORO_PTHREAD |
152 | static void *coro_thx; |
160 | static void *coro_thx; |
153 | # endif |
161 | # endif |
154 | |
|
|
155 | #else |
|
|
156 | |
|
|
157 | # define LOCK (void)0 |
|
|
158 | # define UNLOCK (void)0 |
|
|
159 | |
|
|
160 | #endif |
162 | #endif |
161 | |
|
|
162 | # undef LOCK |
|
|
163 | # define LOCK (void)0 |
|
|
164 | # undef UNLOCK |
|
|
165 | # define UNLOCK (void)0 |
|
|
166 | |
|
|
167 | /* helper storage struct for Coro::AIO */ |
|
|
168 | struct io_state |
|
|
169 | { |
|
|
170 | AV *res; |
|
|
171 | int errorno; |
|
|
172 | I32 laststype; /* U16 in 5.10.0 */ |
|
|
173 | int laststatval; |
|
|
174 | Stat_t statcache; |
|
|
175 | }; |
|
|
176 | |
163 | |
177 | static double (*nvtime)(); /* so why doesn't it take void? */ |
164 | static double (*nvtime)(); /* so why doesn't it take void? */ |
|
|
165 | |
|
|
166 | /* we hijack an hopefully unused CV flag for our purposes */ |
|
|
167 | #define CVf_SLF 0x4000 |
|
|
168 | static OP *pp_slf (pTHX); |
178 | |
169 | |
179 | static U32 cctx_gen; |
170 | static U32 cctx_gen; |
180 | static size_t cctx_stacksize = CORO_STACKSIZE; |
171 | static size_t cctx_stacksize = CORO_STACKSIZE; |
181 | static struct CoroAPI coroapi; |
172 | static struct CoroAPI coroapi; |
182 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
173 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
183 | static JMPENV *main_top_env; |
174 | static JMPENV *main_top_env; |
184 | static HV *coro_state_stash, *coro_stash; |
175 | static HV *coro_state_stash, *coro_stash; |
185 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
176 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
186 | static volatile struct coro *transfer_next; |
177 | |
|
|
178 | static AV *av_destroy; /* destruction queue */ |
|
|
179 | static SV *sv_manager; /* the manager coro */ |
|
|
180 | static SV *sv_idle; /* $Coro::idle */ |
187 | |
181 | |
188 | static GV *irsgv; /* $/ */ |
182 | static GV *irsgv; /* $/ */ |
189 | static GV *stdoutgv; /* *STDOUT */ |
183 | static GV *stdoutgv; /* *STDOUT */ |
190 | static SV *rv_diehook; |
184 | static SV *rv_diehook; |
191 | static SV *rv_warnhook; |
185 | static SV *rv_warnhook; |
192 | static HV *hv_sig; /* %SIG */ |
186 | static HV *hv_sig; /* %SIG */ |
193 | |
187 | |
194 | /* async_pool helper stuff */ |
188 | /* async_pool helper stuff */ |
195 | static SV *sv_pool_rss; |
189 | static SV *sv_pool_rss; |
196 | static SV *sv_pool_size; |
190 | static SV *sv_pool_size; |
|
|
191 | static SV *sv_async_pool_idle; /* description string */ |
197 | static AV *av_async_pool; |
192 | static AV *av_async_pool; /* idle pool */ |
|
|
193 | static SV *sv_Coro; /* class string */ |
|
|
194 | static CV *cv_pool_handler; |
|
|
195 | static CV *cv_coro_state_new; |
198 | |
196 | |
199 | /* Coro::AnyEvent */ |
197 | /* Coro::AnyEvent */ |
200 | static SV *sv_activity; |
198 | static SV *sv_activity; |
201 | |
199 | |
202 | static struct coro_cctx *cctx_first; |
200 | static struct coro_cctx *cctx_first; |
… | |
… | |
231 | int valgrind_id; |
229 | int valgrind_id; |
232 | #endif |
230 | #endif |
233 | unsigned char flags; |
231 | unsigned char flags; |
234 | } coro_cctx; |
232 | } coro_cctx; |
235 | |
233 | |
|
|
234 | coro_cctx *cctx_current; /* the currently running cctx */ |
|
|
235 | |
|
|
236 | /*****************************************************************************/ |
|
|
237 | |
236 | enum { |
238 | enum { |
237 | CF_RUNNING = 0x0001, /* coroutine is running */ |
239 | CF_RUNNING = 0x0001, /* coroutine is running */ |
238 | CF_READY = 0x0002, /* coroutine is ready */ |
240 | CF_READY = 0x0002, /* coroutine is ready */ |
239 | CF_NEW = 0x0004, /* has never been switched to */ |
241 | CF_NEW = 0x0004, /* has never been switched to */ |
240 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
242 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
… | |
… | |
245 | { |
247 | { |
246 | SV *defsv; |
248 | SV *defsv; |
247 | AV *defav; |
249 | AV *defav; |
248 | SV *errsv; |
250 | SV *errsv; |
249 | SV *irsgv; |
251 | SV *irsgv; |
|
|
252 | HV *hinthv; |
250 | #define VAR(name,type) type name; |
253 | #define VAR(name,type) type name; |
251 | # include "state.h" |
254 | # include "state.h" |
252 | #undef VAR |
255 | #undef VAR |
253 | } perl_slots; |
256 | } perl_slots; |
254 | |
257 | |
255 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
258 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
256 | |
259 | |
257 | /* this is the per-perl-coro slf frame info */ |
|
|
258 | /* it is treated like other "global" interpreter data */ |
|
|
259 | /* and unfortunately is copied around, so kepe it small */ |
|
|
260 | struct slf_frame |
|
|
261 | { |
|
|
262 | void (*prepare) (struct coro_transfer_args *ta); /* 0 means not yet initialised */ |
|
|
263 | int (*check) (pTHX); |
|
|
264 | }; |
|
|
265 | |
|
|
266 | /* this is a structure representing a perl-level coroutine */ |
260 | /* this is a structure representing a perl-level coroutine */ |
267 | struct coro { |
261 | struct coro { |
268 | /* the C coroutine allocated to this perl coroutine, if any */ |
262 | /* the C coroutine allocated to this perl coroutine, if any */ |
269 | coro_cctx *cctx; |
263 | coro_cctx *cctx; |
270 | |
264 | |
271 | /* process data */ |
265 | /* state data */ |
272 | struct slf_frame slf_frame; /* saved slf frame */ |
266 | struct CoroSLF slf_frame; /* saved slf frame */ |
273 | void *slf_data; |
|
|
274 | AV *mainstack; |
267 | AV *mainstack; |
275 | perl_slots *slot; /* basically the saved sp */ |
268 | perl_slots *slot; /* basically the saved sp */ |
276 | |
269 | |
|
|
270 | CV *startcv; /* the CV to execute */ |
277 | AV *args; /* data associated with this coroutine (initial args) */ |
271 | AV *args; /* data associated with this coroutine (initial args) */ |
278 | int refcnt; /* coroutines are refcounted, yes */ |
272 | int refcnt; /* coroutines are refcounted, yes */ |
279 | int flags; /* CF_ flags */ |
273 | int flags; /* CF_ flags */ |
280 | HV *hv; /* the perl hash associated with this coro, if any */ |
274 | HV *hv; /* the perl hash associated with this coro, if any */ |
|
|
275 | void (*on_destroy)(pTHX_ struct coro *coro); |
281 | |
276 | |
282 | /* statistics */ |
277 | /* statistics */ |
283 | int usecount; /* number of transfers to this coro */ |
278 | int usecount; /* number of transfers to this coro */ |
284 | |
279 | |
285 | /* coro process data */ |
280 | /* coro process data */ |
286 | int prio; |
281 | int prio; |
287 | SV *throw; /* exception to be thrown */ |
282 | SV *except; /* exception to be thrown */ |
|
|
283 | SV *rouse_cb; |
288 | |
284 | |
289 | /* async_pool */ |
285 | /* async_pool */ |
290 | SV *saved_deffh; |
286 | SV *saved_deffh; |
|
|
287 | SV *invoke_cb; |
|
|
288 | AV *invoke_av; |
|
|
289 | |
|
|
290 | /* on_enter/on_leave */ |
|
|
291 | AV *on_enter; |
|
|
292 | AV *on_leave; |
291 | |
293 | |
292 | /* linked list */ |
294 | /* linked list */ |
293 | struct coro *next, *prev; |
295 | struct coro *next, *prev; |
294 | }; |
296 | }; |
295 | |
297 | |
296 | typedef struct coro *Coro__State; |
298 | typedef struct coro *Coro__State; |
297 | typedef struct coro *Coro__State_or_hashref; |
299 | typedef struct coro *Coro__State_or_hashref; |
298 | |
300 | |
|
|
301 | /* the following variables are effectively part of the perl context */ |
|
|
302 | /* and get copied between struct coro and these variables */ |
|
|
303 | /* the mainr easonw e don't support windows process emulation */ |
299 | static struct slf_frame slf_frame; /* the current slf frame */ |
304 | static struct CoroSLF slf_frame; /* the current slf frame */ |
300 | |
305 | |
301 | /** Coro ********************************************************************/ |
306 | /** Coro ********************************************************************/ |
302 | |
307 | |
303 | #define PRIO_MAX 3 |
308 | #define PRIO_MAX 3 |
304 | #define PRIO_HIGH 1 |
309 | #define PRIO_HIGH 1 |
… | |
… | |
309 | |
314 | |
310 | /* for Coro.pm */ |
315 | /* for Coro.pm */ |
311 | static SV *coro_current; |
316 | static SV *coro_current; |
312 | static SV *coro_readyhook; |
317 | static SV *coro_readyhook; |
313 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
318 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
|
|
319 | static CV *cv_coro_run, *cv_coro_terminate; |
314 | static struct coro *coro_first; |
320 | static struct coro *coro_first; |
315 | #define coro_nready coroapi.nready |
321 | #define coro_nready coroapi.nready |
316 | |
322 | |
317 | /** lowlevel stuff **********************************************************/ |
323 | /** lowlevel stuff **********************************************************/ |
318 | |
324 | |
… | |
… | |
344 | get_hv (name, create); |
350 | get_hv (name, create); |
345 | #endif |
351 | #endif |
346 | return get_hv (name, create); |
352 | return get_hv (name, create); |
347 | } |
353 | } |
348 | |
354 | |
|
|
355 | /* may croak */ |
|
|
356 | INLINE CV * |
|
|
357 | coro_sv_2cv (pTHX_ SV *sv) |
|
|
358 | { |
|
|
359 | HV *st; |
|
|
360 | GV *gvp; |
|
|
361 | CV *cv = sv_2cv (sv, &st, &gvp, 0); |
|
|
362 | |
|
|
363 | if (!cv) |
|
|
364 | croak ("code reference expected"); |
|
|
365 | |
|
|
366 | return cv; |
|
|
367 | } |
|
|
368 | |
|
|
369 | /*****************************************************************************/ |
|
|
370 | /* magic glue */ |
|
|
371 | |
|
|
372 | #define CORO_MAGIC_type_cv 26 |
|
|
373 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
374 | |
|
|
375 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
376 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
377 | ? SvMAGIC (sv) \ |
|
|
378 | : mg_find (sv, type)) |
|
|
379 | |
|
|
380 | #define CORO_MAGIC(sv, type) \ |
|
|
381 | (expect_true (SvMAGIC (sv)) \ |
|
|
382 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
383 | : 0) |
|
|
384 | |
|
|
385 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
386 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
387 | |
|
|
388 | INLINE struct coro * |
|
|
389 | SvSTATE_ (pTHX_ SV *coro) |
|
|
390 | { |
|
|
391 | HV *stash; |
|
|
392 | MAGIC *mg; |
|
|
393 | |
|
|
394 | if (SvROK (coro)) |
|
|
395 | coro = SvRV (coro); |
|
|
396 | |
|
|
397 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
398 | croak ("Coro::State object required"); |
|
|
399 | |
|
|
400 | stash = SvSTASH (coro); |
|
|
401 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
402 | { |
|
|
403 | /* very slow, but rare, check */ |
|
|
404 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
405 | croak ("Coro::State object required"); |
|
|
406 | } |
|
|
407 | |
|
|
408 | mg = CORO_MAGIC_state (coro); |
|
|
409 | return (struct coro *)mg->mg_ptr; |
|
|
410 | } |
|
|
411 | |
|
|
412 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
413 | |
|
|
414 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
415 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
416 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
417 | |
|
|
418 | /*****************************************************************************/ |
|
|
419 | /* padlist management and caching */ |
|
|
420 | |
349 | static AV * |
421 | static AV * |
350 | coro_clone_padlist (pTHX_ CV *cv) |
422 | coro_derive_padlist (pTHX_ CV *cv) |
351 | { |
423 | { |
352 | AV *padlist = CvPADLIST (cv); |
424 | AV *padlist = CvPADLIST (cv); |
353 | AV *newpadlist, *newpad; |
425 | AV *newpadlist, *newpad; |
354 | |
426 | |
355 | newpadlist = newAV (); |
427 | newpadlist = newAV (); |
… | |
… | |
360 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
432 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
361 | #endif |
433 | #endif |
362 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
434 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
363 | --AvFILLp (padlist); |
435 | --AvFILLp (padlist); |
364 | |
436 | |
365 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
437 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
366 | av_store (newpadlist, 1, (SV *)newpad); |
438 | av_store (newpadlist, 1, (SV *)newpad); |
367 | |
439 | |
368 | return newpadlist; |
440 | return newpadlist; |
369 | } |
441 | } |
370 | |
442 | |
371 | static void |
443 | static void |
372 | free_padlist (pTHX_ AV *padlist) |
444 | free_padlist (pTHX_ AV *padlist) |
373 | { |
445 | { |
374 | /* may be during global destruction */ |
446 | /* may be during global destruction */ |
375 | if (SvREFCNT (padlist)) |
447 | if (!IN_DESTRUCT) |
376 | { |
448 | { |
377 | I32 i = AvFILLp (padlist); |
449 | I32 i = AvFILLp (padlist); |
378 | while (i >= 0) |
450 | |
|
|
451 | while (i > 0) /* special-case index 0 */ |
379 | { |
452 | { |
380 | SV **svp = av_fetch (padlist, i--, FALSE); |
453 | /* we try to be extra-careful here */ |
381 | if (svp) |
454 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
382 | { |
455 | I32 j = AvFILLp (av); |
383 | SV *sv; |
456 | |
384 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
457 | while (j >= 0) |
|
|
458 | SvREFCNT_dec (AvARRAY (av)[j--]); |
|
|
459 | |
|
|
460 | AvFILLp (av) = -1; |
385 | SvREFCNT_dec (sv); |
461 | SvREFCNT_dec (av); |
386 | |
|
|
387 | SvREFCNT_dec (*svp); |
|
|
388 | } |
|
|
389 | } |
462 | } |
390 | |
463 | |
|
|
464 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
|
|
465 | |
|
|
466 | AvFILLp (padlist) = -1; |
391 | SvREFCNT_dec ((SV*)padlist); |
467 | SvREFCNT_dec ((SV*)padlist); |
392 | } |
468 | } |
393 | } |
469 | } |
394 | |
470 | |
395 | static int |
471 | static int |
… | |
… | |
404 | |
480 | |
405 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
481 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
406 | |
482 | |
407 | return 0; |
483 | return 0; |
408 | } |
484 | } |
409 | |
|
|
410 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
|
|
411 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
412 | |
485 | |
413 | static MGVTBL coro_cv_vtbl = { |
486 | static MGVTBL coro_cv_vtbl = { |
414 | 0, 0, 0, 0, |
487 | 0, 0, 0, 0, |
415 | coro_cv_free |
488 | coro_cv_free |
416 | }; |
489 | }; |
417 | |
|
|
418 | #define CORO_MAGIC(sv, type) \ |
|
|
419 | SvMAGIC (sv) \ |
|
|
420 | ? SvMAGIC (sv)->mg_type == type \ |
|
|
421 | ? SvMAGIC (sv) \ |
|
|
422 | : mg_find (sv, type) \ |
|
|
423 | : 0 |
|
|
424 | |
|
|
425 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
426 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
427 | |
|
|
428 | INLINE struct coro * |
|
|
429 | SvSTATE_ (pTHX_ SV *coro) |
|
|
430 | { |
|
|
431 | HV *stash; |
|
|
432 | MAGIC *mg; |
|
|
433 | |
|
|
434 | if (SvROK (coro)) |
|
|
435 | coro = SvRV (coro); |
|
|
436 | |
|
|
437 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
438 | croak ("Coro::State object required"); |
|
|
439 | |
|
|
440 | stash = SvSTASH (coro); |
|
|
441 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
442 | { |
|
|
443 | /* very slow, but rare, check */ |
|
|
444 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
445 | croak ("Coro::State object required"); |
|
|
446 | } |
|
|
447 | |
|
|
448 | mg = CORO_MAGIC_state (coro); |
|
|
449 | return (struct coro *)mg->mg_ptr; |
|
|
450 | } |
|
|
451 | |
|
|
452 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
453 | |
490 | |
454 | /* the next two functions merely cache the padlists */ |
491 | /* the next two functions merely cache the padlists */ |
455 | static void |
492 | static void |
456 | get_padlist (pTHX_ CV *cv) |
493 | get_padlist (pTHX_ CV *cv) |
457 | { |
494 | { |
… | |
… | |
463 | else |
500 | else |
464 | { |
501 | { |
465 | #if CORO_PREFER_PERL_FUNCTIONS |
502 | #if CORO_PREFER_PERL_FUNCTIONS |
466 | /* this is probably cleaner? but also slower! */ |
503 | /* this is probably cleaner? but also slower! */ |
467 | /* in practise, it seems to be less stable */ |
504 | /* in practise, it seems to be less stable */ |
468 | CV *cp = Perl_cv_clone (cv); |
505 | CV *cp = Perl_cv_clone (aTHX_ cv); |
469 | CvPADLIST (cv) = CvPADLIST (cp); |
506 | CvPADLIST (cv) = CvPADLIST (cp); |
470 | CvPADLIST (cp) = 0; |
507 | CvPADLIST (cp) = 0; |
471 | SvREFCNT_dec (cp); |
508 | SvREFCNT_dec (cp); |
472 | #else |
509 | #else |
473 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
510 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
474 | #endif |
511 | #endif |
475 | } |
512 | } |
476 | } |
513 | } |
477 | |
514 | |
478 | static void |
515 | static void |
… | |
… | |
485 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
522 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
486 | |
523 | |
487 | av = (AV *)mg->mg_obj; |
524 | av = (AV *)mg->mg_obj; |
488 | |
525 | |
489 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
526 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
490 | av_extend (av, AvMAX (av) + 1); |
527 | av_extend (av, AvFILLp (av) + 1); |
491 | |
528 | |
492 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
529 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
493 | } |
530 | } |
494 | |
531 | |
495 | /** load & save, init *******************************************************/ |
532 | /** load & save, init *******************************************************/ |
|
|
533 | |
|
|
534 | static void |
|
|
535 | on_enterleave_call (pTHX_ SV *cb); |
496 | |
536 | |
497 | static void |
537 | static void |
498 | load_perl (pTHX_ Coro__State c) |
538 | load_perl (pTHX_ Coro__State c) |
499 | { |
539 | { |
500 | perl_slots *slot = c->slot; |
540 | perl_slots *slot = c->slot; |
501 | c->slot = 0; |
541 | c->slot = 0; |
502 | |
542 | |
503 | PL_mainstack = c->mainstack; |
543 | PL_mainstack = c->mainstack; |
504 | |
544 | |
505 | GvSV (PL_defgv) = slot->defsv; |
545 | GvSV (PL_defgv) = slot->defsv; |
506 | GvAV (PL_defgv) = slot->defav; |
546 | GvAV (PL_defgv) = slot->defav; |
507 | GvSV (PL_errgv) = slot->errsv; |
547 | GvSV (PL_errgv) = slot->errsv; |
508 | GvSV (irsgv) = slot->irsgv; |
548 | GvSV (irsgv) = slot->irsgv; |
|
|
549 | GvHV (PL_hintgv) = slot->hinthv; |
509 | |
550 | |
510 | #define VAR(name,type) PL_ ## name = slot->name; |
551 | #define VAR(name,type) PL_ ## name = slot->name; |
511 | # include "state.h" |
552 | # include "state.h" |
512 | #undef VAR |
553 | #undef VAR |
513 | |
554 | |
… | |
… | |
525 | } |
566 | } |
526 | |
567 | |
527 | PUTBACK; |
568 | PUTBACK; |
528 | } |
569 | } |
529 | |
570 | |
530 | slf_frame = c->slf_frame; |
571 | slf_frame = c->slf_frame; |
531 | coroapi.slf_data = c->slf_data; |
572 | CORO_THROW = c->except; |
|
|
573 | |
|
|
574 | if (expect_false (c->on_enter)) |
|
|
575 | { |
|
|
576 | int i; |
|
|
577 | |
|
|
578 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
579 | on_enterleave_call (AvARRAY (c->on_enter)[i]); |
|
|
580 | } |
532 | } |
581 | } |
533 | |
582 | |
534 | static void |
583 | static void |
535 | save_perl (pTHX_ Coro__State c) |
584 | save_perl (pTHX_ Coro__State c) |
536 | { |
585 | { |
537 | c->slf_data = coroapi.slf_data; |
586 | if (expect_false (c->on_leave)) |
|
|
587 | { |
|
|
588 | int i; |
|
|
589 | |
|
|
590 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
591 | on_enterleave_call (AvARRAY (c->on_leave)[i]); |
|
|
592 | } |
|
|
593 | |
|
|
594 | c->except = CORO_THROW; |
538 | c->slf_frame = slf_frame; |
595 | c->slf_frame = slf_frame; |
539 | |
596 | |
540 | { |
597 | { |
541 | dSP; |
598 | dSP; |
542 | I32 cxix = cxstack_ix; |
599 | I32 cxix = cxstack_ix; |
… | |
… | |
599 | c->mainstack = PL_mainstack; |
656 | c->mainstack = PL_mainstack; |
600 | |
657 | |
601 | { |
658 | { |
602 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
659 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
603 | |
660 | |
604 | slot->defav = GvAV (PL_defgv); |
661 | slot->defav = GvAV (PL_defgv); |
605 | slot->defsv = DEFSV; |
662 | slot->defsv = DEFSV; |
606 | slot->errsv = ERRSV; |
663 | slot->errsv = ERRSV; |
607 | slot->irsgv = GvSV (irsgv); |
664 | slot->irsgv = GvSV (irsgv); |
|
|
665 | slot->hinthv = GvHV (PL_hintgv); |
608 | |
666 | |
609 | #define VAR(name,type) slot->name = PL_ ## name; |
667 | #define VAR(name,type) slot->name = PL_ ## name; |
610 | # include "state.h" |
668 | # include "state.h" |
611 | #undef VAR |
669 | #undef VAR |
612 | } |
670 | } |
… | |
… | |
617 | * of perl.c:init_stacks, except that it uses less memory |
675 | * of perl.c:init_stacks, except that it uses less memory |
618 | * on the (sometimes correct) assumption that coroutines do |
676 | * on the (sometimes correct) assumption that coroutines do |
619 | * not usually need a lot of stackspace. |
677 | * not usually need a lot of stackspace. |
620 | */ |
678 | */ |
621 | #if CORO_PREFER_PERL_FUNCTIONS |
679 | #if CORO_PREFER_PERL_FUNCTIONS |
622 | # define coro_init_stacks init_stacks |
680 | # define coro_init_stacks(thx) init_stacks () |
623 | #else |
681 | #else |
624 | static void |
682 | static void |
625 | coro_init_stacks (pTHX) |
683 | coro_init_stacks (pTHX) |
626 | { |
684 | { |
627 | PL_curstackinfo = new_stackinfo(32, 8); |
685 | PL_curstackinfo = new_stackinfo(32, 8); |
… | |
… | |
690 | #if !PERL_VERSION_ATLEAST (5,10,0) |
748 | #if !PERL_VERSION_ATLEAST (5,10,0) |
691 | Safefree (PL_retstack); |
749 | Safefree (PL_retstack); |
692 | #endif |
750 | #endif |
693 | } |
751 | } |
694 | |
752 | |
|
|
753 | #define CORO_RSS \ |
|
|
754 | rss += sizeof (SYM (curstackinfo)); \ |
|
|
755 | rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \ |
|
|
756 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \ |
|
|
757 | rss += SYM (tmps_max) * sizeof (SV *); \ |
|
|
758 | rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \ |
|
|
759 | rss += SYM (scopestack_max) * sizeof (I32); \ |
|
|
760 | rss += SYM (savestack_max) * sizeof (ANY); |
|
|
761 | |
695 | static size_t |
762 | static size_t |
696 | coro_rss (pTHX_ struct coro *coro) |
763 | coro_rss (pTHX_ struct coro *coro) |
697 | { |
764 | { |
698 | size_t rss = sizeof (*coro); |
765 | size_t rss = sizeof (*coro); |
699 | |
766 | |
700 | if (coro->mainstack) |
767 | if (coro->mainstack) |
701 | { |
768 | { |
702 | perl_slots tmp_slot; |
|
|
703 | perl_slots *slot; |
|
|
704 | |
|
|
705 | if (coro->flags & CF_RUNNING) |
769 | if (coro->flags & CF_RUNNING) |
706 | { |
770 | { |
707 | slot = &tmp_slot; |
771 | #define SYM(sym) PL_ ## sym |
708 | |
772 | CORO_RSS; |
709 | #define VAR(name,type) slot->name = PL_ ## name; |
|
|
710 | # include "state.h" |
|
|
711 | #undef VAR |
773 | #undef SYM |
712 | } |
774 | } |
713 | else |
775 | else |
714 | slot = coro->slot; |
|
|
715 | |
|
|
716 | if (slot) |
|
|
717 | { |
776 | { |
718 | rss += sizeof (slot->curstackinfo); |
777 | #define SYM(sym) coro->slot->sym |
719 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
778 | CORO_RSS; |
720 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
779 | #undef SYM |
721 | rss += slot->tmps_max * sizeof (SV *); |
|
|
722 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
|
|
723 | rss += slot->scopestack_max * sizeof (I32); |
|
|
724 | rss += slot->savestack_max * sizeof (ANY); |
|
|
725 | |
|
|
726 | #if !PERL_VERSION_ATLEAST (5,10,0) |
|
|
727 | rss += slot->retstack_max * sizeof (OP *); |
|
|
728 | #endif |
|
|
729 | } |
780 | } |
730 | } |
781 | } |
731 | |
782 | |
732 | return rss; |
783 | return rss; |
733 | } |
784 | } |
… | |
… | |
746 | #endif |
797 | #endif |
747 | |
798 | |
748 | /* |
799 | /* |
749 | * This overrides the default magic get method of %SIG elements. |
800 | * This overrides the default magic get method of %SIG elements. |
750 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
801 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
751 | * and instead of tryign to save and restore the hash elements, we just provide |
802 | * and instead of trying to save and restore the hash elements, we just provide |
752 | * readback here. |
803 | * readback here. |
753 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
754 | * not expecting this to actually change the hook. This is a potential problem |
|
|
755 | * when a schedule happens then, but we ignore this. |
|
|
756 | */ |
804 | */ |
757 | static int |
805 | static int |
758 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
806 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
759 | { |
807 | { |
760 | const char *s = MgPV_nolen_const (mg); |
808 | const char *s = MgPV_nolen_const (mg); |
… | |
… | |
813 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
861 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
814 | |
862 | |
815 | if (svp) |
863 | if (svp) |
816 | { |
864 | { |
817 | SV *old = *svp; |
865 | SV *old = *svp; |
818 | *svp = newSVsv (sv); |
866 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
819 | SvREFCNT_dec (old); |
867 | SvREFCNT_dec (old); |
820 | return 0; |
868 | return 0; |
821 | } |
869 | } |
822 | } |
870 | } |
823 | |
871 | |
824 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
872 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
825 | } |
873 | } |
826 | |
874 | |
827 | static void |
875 | static void |
828 | prepare_nop (aTHX_ struct coro_transfer_args *ta) |
876 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
829 | { |
877 | { |
830 | /* kind of mega-hacky, but works */ |
878 | /* kind of mega-hacky, but works */ |
831 | ta->next = ta->prev = (struct coro *)ta; |
879 | ta->next = ta->prev = (struct coro *)ta; |
832 | } |
880 | } |
833 | |
881 | |
834 | static int |
882 | static int |
835 | slf_check_nop (aTHX) |
883 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
836 | { |
884 | { |
837 | return 0; |
885 | return 0; |
838 | } |
886 | } |
839 | |
887 | |
840 | static void |
888 | static int |
|
|
889 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
|
|
890 | { |
|
|
891 | return 1; |
|
|
892 | } |
|
|
893 | |
|
|
894 | static UNOP coro_setup_op; |
|
|
895 | |
|
|
896 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
841 | coro_setup (pTHX_ struct coro *coro) |
897 | coro_setup (pTHX_ struct coro *coro) |
842 | { |
898 | { |
843 | /* |
899 | /* |
844 | * emulate part of the perl startup here. |
900 | * emulate part of the perl startup here. |
845 | */ |
901 | */ |
… | |
… | |
847 | |
903 | |
848 | PL_runops = RUNOPS_DEFAULT; |
904 | PL_runops = RUNOPS_DEFAULT; |
849 | PL_curcop = &PL_compiling; |
905 | PL_curcop = &PL_compiling; |
850 | PL_in_eval = EVAL_NULL; |
906 | PL_in_eval = EVAL_NULL; |
851 | PL_comppad = 0; |
907 | PL_comppad = 0; |
|
|
908 | PL_comppad_name = 0; |
|
|
909 | PL_comppad_name_fill = 0; |
|
|
910 | PL_comppad_name_floor = 0; |
852 | PL_curpm = 0; |
911 | PL_curpm = 0; |
853 | PL_curpad = 0; |
912 | PL_curpad = 0; |
854 | PL_localizing = 0; |
913 | PL_localizing = 0; |
855 | PL_dirty = 0; |
914 | PL_dirty = 0; |
856 | PL_restartop = 0; |
915 | PL_restartop = 0; |
857 | #if PERL_VERSION_ATLEAST (5,10,0) |
916 | #if PERL_VERSION_ATLEAST (5,10,0) |
858 | PL_parser = 0; |
917 | PL_parser = 0; |
859 | #endif |
918 | #endif |
|
|
919 | PL_hints = 0; |
860 | |
920 | |
861 | /* recreate the die/warn hooks */ |
921 | /* recreate the die/warn hooks */ |
862 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
922 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
863 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
923 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
864 | |
924 | |
865 | GvSV (PL_defgv) = newSV (0); |
925 | GvSV (PL_defgv) = newSV (0); |
866 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
926 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
867 | GvSV (PL_errgv) = newSV (0); |
927 | GvSV (PL_errgv) = newSV (0); |
868 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
928 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
929 | GvHV (PL_hintgv) = 0; |
869 | PL_rs = newSVsv (GvSV (irsgv)); |
930 | PL_rs = newSVsv (GvSV (irsgv)); |
870 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
931 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
871 | |
932 | |
872 | { |
933 | { |
873 | dSP; |
934 | dSP; |
874 | UNOP myop; |
935 | UNOP myop; |
875 | |
936 | |
876 | Zero (&myop, 1, UNOP); |
937 | Zero (&myop, 1, UNOP); |
877 | myop.op_next = Nullop; |
938 | myop.op_next = Nullop; |
|
|
939 | myop.op_type = OP_ENTERSUB; |
878 | myop.op_flags = OPf_WANT_VOID; |
940 | myop.op_flags = OPf_WANT_VOID; |
879 | |
941 | |
880 | PUSHMARK (SP); |
942 | PUSHMARK (SP); |
881 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
943 | PUSHs ((SV *)coro->startcv); |
882 | PUTBACK; |
944 | PUTBACK; |
883 | PL_op = (OP *)&myop; |
945 | PL_op = (OP *)&myop; |
884 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
946 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
885 | SPAGAIN; |
|
|
886 | } |
947 | } |
887 | |
948 | |
888 | /* this newly created coroutine might be run on an existing cctx which most |
949 | /* this newly created coroutine might be run on an existing cctx which most |
889 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
950 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
890 | */ |
951 | */ |
891 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
952 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
892 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
953 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
893 | } |
|
|
894 | |
954 | |
|
|
955 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
|
|
956 | coro_setup_op.op_next = PL_op; |
|
|
957 | coro_setup_op.op_type = OP_ENTERSUB; |
|
|
958 | coro_setup_op.op_ppaddr = pp_slf; |
|
|
959 | /* no flags etc. required, as an init function won't be called */ |
|
|
960 | |
|
|
961 | PL_op = (OP *)&coro_setup_op; |
|
|
962 | |
|
|
963 | /* copy throw, in case it was set before coro_setup */ |
|
|
964 | CORO_THROW = coro->except; |
|
|
965 | } |
|
|
966 | |
895 | static void |
967 | static void |
896 | coro_destruct (pTHX_ struct coro *coro) |
968 | coro_unwind_stacks (pTHX) |
897 | { |
969 | { |
898 | if (!IN_DESTRUCT) |
970 | if (!IN_DESTRUCT) |
899 | { |
971 | { |
900 | /* restore all saved variables and stuff */ |
972 | /* restore all saved variables and stuff */ |
901 | LEAVE_SCOPE (0); |
973 | LEAVE_SCOPE (0); |
… | |
… | |
909 | POPSTACK_TO (PL_mainstack); |
981 | POPSTACK_TO (PL_mainstack); |
910 | |
982 | |
911 | /* unwind main stack */ |
983 | /* unwind main stack */ |
912 | dounwind (-1); |
984 | dounwind (-1); |
913 | } |
985 | } |
|
|
986 | } |
|
|
987 | |
|
|
988 | static void |
|
|
989 | coro_destruct_perl (pTHX_ struct coro *coro) |
|
|
990 | { |
|
|
991 | coro_unwind_stacks (aTHX); |
914 | |
992 | |
915 | SvREFCNT_dec (GvSV (PL_defgv)); |
993 | SvREFCNT_dec (GvSV (PL_defgv)); |
916 | SvREFCNT_dec (GvAV (PL_defgv)); |
994 | SvREFCNT_dec (GvAV (PL_defgv)); |
917 | SvREFCNT_dec (GvSV (PL_errgv)); |
995 | SvREFCNT_dec (GvSV (PL_errgv)); |
918 | SvREFCNT_dec (PL_defoutgv); |
996 | SvREFCNT_dec (PL_defoutgv); |
919 | SvREFCNT_dec (PL_rs); |
997 | SvREFCNT_dec (PL_rs); |
920 | SvREFCNT_dec (GvSV (irsgv)); |
998 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
999 | SvREFCNT_dec (GvHV (PL_hintgv)); |
921 | |
1000 | |
922 | SvREFCNT_dec (PL_diehook); |
1001 | SvREFCNT_dec (PL_diehook); |
923 | SvREFCNT_dec (PL_warnhook); |
1002 | SvREFCNT_dec (PL_warnhook); |
924 | |
1003 | |
925 | SvREFCNT_dec (coro->saved_deffh); |
1004 | SvREFCNT_dec (coro->saved_deffh); |
926 | SvREFCNT_dec (coro->throw); |
1005 | SvREFCNT_dec (coro->rouse_cb); |
|
|
1006 | SvREFCNT_dec (coro->invoke_cb); |
|
|
1007 | SvREFCNT_dec (coro->invoke_av); |
927 | |
1008 | |
928 | coro_destruct_stacks (aTHX); |
1009 | coro_destruct_stacks (aTHX); |
929 | } |
1010 | } |
930 | |
1011 | |
931 | INLINE void |
1012 | INLINE void |
… | |
… | |
941 | static int |
1022 | static int |
942 | runops_trace (pTHX) |
1023 | runops_trace (pTHX) |
943 | { |
1024 | { |
944 | COP *oldcop = 0; |
1025 | COP *oldcop = 0; |
945 | int oldcxix = -2; |
1026 | int oldcxix = -2; |
946 | struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */ |
|
|
947 | coro_cctx *cctx = coro->cctx; |
|
|
948 | |
1027 | |
949 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
1028 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
950 | { |
1029 | { |
951 | PERL_ASYNC_CHECK (); |
1030 | PERL_ASYNC_CHECK (); |
952 | |
1031 | |
953 | if (cctx->flags & CC_TRACE_ALL) |
1032 | if (cctx_current->flags & CC_TRACE_ALL) |
954 | { |
1033 | { |
955 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
1034 | if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB) |
956 | { |
1035 | { |
957 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1036 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
958 | SV **bot, **top; |
1037 | SV **bot, **top; |
959 | AV *av = newAV (); /* return values */ |
1038 | AV *av = newAV (); /* return values */ |
960 | SV **cb; |
1039 | SV **cb; |
… | |
… | |
997 | |
1076 | |
998 | if (PL_curcop != &PL_compiling) |
1077 | if (PL_curcop != &PL_compiling) |
999 | { |
1078 | { |
1000 | SV **cb; |
1079 | SV **cb; |
1001 | |
1080 | |
1002 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
1081 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1003 | { |
1082 | { |
1004 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1083 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1005 | |
1084 | |
1006 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1085 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1007 | { |
1086 | { |
1008 | runops_proc_t old_runops = PL_runops; |
|
|
1009 | dSP; |
1087 | dSP; |
1010 | GV *gv = CvGV (cx->blk_sub.cv); |
1088 | GV *gv = CvGV (cx->blk_sub.cv); |
1011 | SV *fullname = sv_2mortal (newSV (0)); |
1089 | SV *fullname = sv_2mortal (newSV (0)); |
1012 | |
1090 | |
1013 | if (isGV (gv)) |
1091 | if (isGV (gv)) |
… | |
… | |
1018 | SAVETMPS; |
1096 | SAVETMPS; |
1019 | EXTEND (SP, 3); |
1097 | EXTEND (SP, 3); |
1020 | PUSHMARK (SP); |
1098 | PUSHMARK (SP); |
1021 | PUSHs (&PL_sv_yes); |
1099 | PUSHs (&PL_sv_yes); |
1022 | PUSHs (fullname); |
1100 | PUSHs (fullname); |
1023 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1101 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1024 | PUTBACK; |
1102 | PUTBACK; |
1025 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1103 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1026 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1104 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1027 | SPAGAIN; |
1105 | SPAGAIN; |
1028 | FREETMPS; |
1106 | FREETMPS; |
… | |
… | |
1031 | } |
1109 | } |
1032 | |
1110 | |
1033 | oldcxix = cxstack_ix; |
1111 | oldcxix = cxstack_ix; |
1034 | } |
1112 | } |
1035 | |
1113 | |
1036 | if (cctx->flags & CC_TRACE_LINE) |
1114 | if (cctx_current->flags & CC_TRACE_LINE) |
1037 | { |
1115 | { |
1038 | dSP; |
1116 | dSP; |
1039 | |
1117 | |
1040 | PL_runops = RUNOPS_DEFAULT; |
1118 | PL_runops = RUNOPS_DEFAULT; |
1041 | ENTER; |
1119 | ENTER; |
… | |
… | |
1060 | |
1138 | |
1061 | TAINT_NOT; |
1139 | TAINT_NOT; |
1062 | return 0; |
1140 | return 0; |
1063 | } |
1141 | } |
1064 | |
1142 | |
|
|
1143 | static struct CoroSLF cctx_ssl_frame; |
|
|
1144 | |
1065 | static void |
1145 | static void |
1066 | prepare_set_stacklevel (struct coro_transfer_args *ta, struct coro_cctx *cctx) |
1146 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1067 | { |
1147 | { |
1068 | ta->prev = (struct coro *)cctx; |
|
|
1069 | ta->next = 0; |
1148 | ta->prev = 0; |
1070 | } |
1149 | } |
1071 | |
1150 | |
1072 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
1151 | static int |
1073 | /* _cctx_init should be careful, as it could be called at almost any time */ |
1152 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1074 | /* during execution of a perl program */ |
1153 | { |
1075 | /* also initialises PL_top_env */ |
1154 | *frame = cctx_ssl_frame; |
|
|
1155 | |
|
|
1156 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
|
|
1157 | } |
|
|
1158 | |
|
|
1159 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1076 | static void NOINLINE |
1160 | static void NOINLINE |
1077 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1161 | cctx_prepare (pTHX) |
1078 | { |
1162 | { |
1079 | dSP; |
|
|
1080 | UNOP myop; |
|
|
1081 | |
|
|
1082 | PL_top_env = &PL_start_env; |
1163 | PL_top_env = &PL_start_env; |
1083 | |
1164 | |
1084 | if (cctx->flags & CC_TRACE) |
1165 | if (cctx_current->flags & CC_TRACE) |
1085 | PL_runops = runops_trace; |
1166 | PL_runops = runops_trace; |
1086 | |
1167 | |
1087 | Zero (&myop, 1, UNOP); |
1168 | /* we already must be executing an SLF op, there is no other valid way |
1088 | myop.op_next = PL_op; |
1169 | * that can lead to creation of a new cctx */ |
1089 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
1170 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
|
|
1171 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1090 | |
1172 | |
1091 | PUSHMARK (SP); |
1173 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1092 | EXTEND (SP, 2); |
1174 | cctx_ssl_frame = slf_frame; |
1093 | PUSHs (sv_2mortal (newSViv ((IV)cctx))); |
1175 | |
1094 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
1176 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1095 | PUTBACK; |
1177 | slf_frame.check = slf_check_set_stacklevel; |
1096 | PL_op = (OP *)&myop; |
|
|
1097 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
1098 | SPAGAIN; |
|
|
1099 | } |
1178 | } |
1100 | |
1179 | |
1101 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1180 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1102 | INLINE void |
1181 | INLINE void |
1103 | transfer_tail (pTHX) |
1182 | transfer_tail (pTHX) |
1104 | { |
1183 | { |
1105 | struct coro *next = (struct coro *)transfer_next; |
|
|
1106 | assert (!(transfer_next = 0)); /* just used for the side effect when asserts are enabled */ |
|
|
1107 | assert (("FATAL: next coroutine was zero in transfer_tail (please report)", next)); |
|
|
1108 | |
|
|
1109 | free_coro_mortal (aTHX); |
1184 | free_coro_mortal (aTHX); |
1110 | UNLOCK; |
|
|
1111 | |
|
|
1112 | if (expect_false (next->throw)) |
|
|
1113 | { |
|
|
1114 | SV *exception = sv_2mortal (next->throw); |
|
|
1115 | |
|
|
1116 | next->throw = 0; |
|
|
1117 | sv_setsv (ERRSV, exception); |
|
|
1118 | croak (0); |
|
|
1119 | } |
|
|
1120 | } |
1185 | } |
1121 | |
1186 | |
1122 | /* |
1187 | /* |
1123 | * this is a _very_ stripped down perl interpreter ;) |
1188 | * this is a _very_ stripped down perl interpreter ;) |
1124 | */ |
1189 | */ |
… | |
… | |
1136 | /* normally we would need to skip the entersub here */ |
1201 | /* normally we would need to skip the entersub here */ |
1137 | /* not doing so will re-execute it, which is exactly what we want */ |
1202 | /* not doing so will re-execute it, which is exactly what we want */ |
1138 | /* PL_nop = PL_nop->op_next */ |
1203 | /* PL_nop = PL_nop->op_next */ |
1139 | |
1204 | |
1140 | /* inject a fake subroutine call to cctx_init */ |
1205 | /* inject a fake subroutine call to cctx_init */ |
1141 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1206 | cctx_prepare (aTHX); |
1142 | |
1207 | |
1143 | /* cctx_run is the alternative tail of transfer() */ |
1208 | /* cctx_run is the alternative tail of transfer() */ |
1144 | /* TODO: throwing an exception here might be deadly, VERIFY */ |
|
|
1145 | transfer_tail (aTHX); |
1209 | transfer_tail (aTHX); |
1146 | |
1210 | |
1147 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1211 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1148 | PL_restartop = PL_op; |
1212 | PL_restartop = PL_op; |
1149 | perl_run (PL_curinterp); |
1213 | perl_run (PL_curinterp); |
|
|
1214 | /* |
|
|
1215 | * Unfortunately, there is no way to get at the return values of the |
|
|
1216 | * coro body here, as perl_run destroys these |
|
|
1217 | */ |
1150 | |
1218 | |
1151 | /* |
1219 | /* |
1152 | * If perl-run returns we assume exit() was being called or the coro |
1220 | * If perl-run returns we assume exit() was being called or the coro |
1153 | * fell off the end, which seems to be the only valid (non-bug) |
1221 | * fell off the end, which seems to be the only valid (non-bug) |
1154 | * reason for perl_run to return. We try to exit by jumping to the |
1222 | * reason for perl_run to return. We try to exit by jumping to the |
1155 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1223 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1156 | * coroutine as Coro has no such concept |
1224 | * coroutine as Coro has no such concept. |
|
|
1225 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1226 | * that backend are too broken to do it in a standards-compliant way. |
1157 | */ |
1227 | */ |
1158 | PL_top_env = main_top_env; |
1228 | PL_top_env = main_top_env; |
1159 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1229 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1160 | } |
1230 | } |
1161 | } |
1231 | } |
… | |
… | |
1238 | cctx_destroy (coro_cctx *cctx) |
1308 | cctx_destroy (coro_cctx *cctx) |
1239 | { |
1309 | { |
1240 | if (!cctx) |
1310 | if (!cctx) |
1241 | return; |
1311 | return; |
1242 | |
1312 | |
|
|
1313 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
|
|
1314 | |
1243 | --cctx_count; |
1315 | --cctx_count; |
1244 | coro_destroy (&cctx->cctx); |
1316 | coro_destroy (&cctx->cctx); |
1245 | |
1317 | |
1246 | /* coro_transfer creates new, empty cctx's */ |
1318 | /* coro_transfer creates new, empty cctx's */ |
1247 | if (cctx->sptr) |
1319 | if (cctx->sptr) |
… | |
… | |
1305 | /** coroutine switching *****************************************************/ |
1377 | /** coroutine switching *****************************************************/ |
1306 | |
1378 | |
1307 | static void |
1379 | static void |
1308 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1380 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1309 | { |
1381 | { |
|
|
1382 | /* TODO: throwing up here is considered harmful */ |
|
|
1383 | |
1310 | if (expect_true (prev != next)) |
1384 | if (expect_true (prev != next)) |
1311 | { |
1385 | { |
1312 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1386 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1313 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
1387 | croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,"); |
1314 | |
1388 | |
1315 | if (expect_false (next->flags & CF_RUNNING)) |
1389 | if (expect_false (next->flags & CF_RUNNING)) |
1316 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1390 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
1317 | |
1391 | |
1318 | if (expect_false (next->flags & CF_DESTROYED)) |
1392 | if (expect_false (next->flags & CF_DESTROYED)) |
1319 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1393 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1320 | |
1394 | |
1321 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1395 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1322 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1396 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1323 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version"); |
1397 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1324 | #endif |
1398 | #endif |
1325 | } |
1399 | } |
1326 | } |
1400 | } |
1327 | |
1401 | |
1328 | /* always use the TRANSFER macro */ |
1402 | /* always use the TRANSFER macro */ |
1329 | static void NOINLINE |
1403 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1330 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1404 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1331 | { |
1405 | { |
1332 | dSTACKLEVEL; |
1406 | dSTACKLEVEL; |
1333 | |
1407 | |
1334 | /* sometimes transfer is only called to set idle_sp */ |
1408 | /* sometimes transfer is only called to set idle_sp */ |
1335 | if (expect_false (!next)) |
1409 | if (expect_false (!prev)) |
1336 | { |
1410 | { |
1337 | ((coro_cctx *)prev)->idle_sp = stacklevel; |
1411 | cctx_current->idle_sp = STACKLEVEL; |
1338 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1412 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1339 | } |
1413 | } |
1340 | else if (expect_true (prev != next)) |
1414 | else if (expect_true (prev != next)) |
1341 | { |
1415 | { |
1342 | coro_cctx *prev__cctx; |
1416 | coro_cctx *cctx_prev; |
1343 | |
1417 | |
1344 | if (expect_false (prev->flags & CF_NEW)) |
1418 | if (expect_false (prev->flags & CF_NEW)) |
1345 | { |
1419 | { |
1346 | /* create a new empty/source context */ |
1420 | /* create a new empty/source context */ |
1347 | prev->cctx = cctx_new_empty (); |
|
|
1348 | prev->flags &= ~CF_NEW; |
1421 | prev->flags &= ~CF_NEW; |
1349 | prev->flags |= CF_RUNNING; |
1422 | prev->flags |= CF_RUNNING; |
1350 | } |
1423 | } |
1351 | |
1424 | |
1352 | prev->flags &= ~CF_RUNNING; |
1425 | prev->flags &= ~CF_RUNNING; |
1353 | next->flags |= CF_RUNNING; |
1426 | next->flags |= CF_RUNNING; |
1354 | |
|
|
1355 | LOCK; |
|
|
1356 | |
1427 | |
1357 | /* first get rid of the old state */ |
1428 | /* first get rid of the old state */ |
1358 | save_perl (aTHX_ prev); |
1429 | save_perl (aTHX_ prev); |
1359 | |
1430 | |
1360 | if (expect_false (next->flags & CF_NEW)) |
1431 | if (expect_false (next->flags & CF_NEW)) |
… | |
… | |
1365 | coro_setup (aTHX_ next); |
1436 | coro_setup (aTHX_ next); |
1366 | } |
1437 | } |
1367 | else |
1438 | else |
1368 | load_perl (aTHX_ next); |
1439 | load_perl (aTHX_ next); |
1369 | |
1440 | |
1370 | prev__cctx = prev->cctx; |
|
|
1371 | |
|
|
1372 | /* possibly untie and reuse the cctx */ |
1441 | /* possibly untie and reuse the cctx */ |
1373 | if (expect_true ( |
1442 | if (expect_true ( |
1374 | prev__cctx->idle_sp == stacklevel |
1443 | cctx_current->idle_sp == STACKLEVEL |
1375 | && !(prev__cctx->flags & CC_TRACE) |
1444 | && !(cctx_current->flags & CC_TRACE) |
1376 | && !force_cctx |
1445 | && !force_cctx |
1377 | )) |
1446 | )) |
1378 | { |
1447 | { |
1379 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1448 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1380 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1449 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1381 | |
1450 | |
1382 | prev->cctx = 0; |
|
|
1383 | |
|
|
1384 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1451 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1385 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1452 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1386 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1453 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1387 | if (!next->cctx) |
1454 | if (expect_true (!next->cctx)) |
1388 | next->cctx = cctx_get (aTHX); |
1455 | next->cctx = cctx_get (aTHX); |
1389 | |
1456 | |
1390 | cctx_put (prev__cctx); |
1457 | cctx_put (cctx_current); |
1391 | } |
1458 | } |
|
|
1459 | else |
|
|
1460 | prev->cctx = cctx_current; |
1392 | |
1461 | |
1393 | ++next->usecount; |
1462 | ++next->usecount; |
1394 | |
1463 | |
1395 | if (expect_true (!next->cctx)) |
1464 | cctx_prev = cctx_current; |
1396 | next->cctx = cctx_get (aTHX); |
1465 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1397 | |
1466 | |
1398 | assert (("FATAL: transfer_next already nonzero in Coro (please report)", !transfer_next)); |
1467 | next->cctx = 0; |
1399 | transfer_next = next; |
|
|
1400 | |
1468 | |
1401 | if (expect_false (prev__cctx != next->cctx)) |
1469 | if (expect_false (cctx_prev != cctx_current)) |
1402 | { |
1470 | { |
1403 | prev__cctx->top_env = PL_top_env; |
1471 | cctx_prev->top_env = PL_top_env; |
1404 | PL_top_env = next->cctx->top_env; |
1472 | PL_top_env = cctx_current->top_env; |
1405 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1473 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1406 | } |
1474 | } |
1407 | |
1475 | |
1408 | transfer_tail (aTHX); |
1476 | transfer_tail (aTHX); |
1409 | } |
1477 | } |
1410 | } |
1478 | } |
… | |
… | |
1417 | static int |
1485 | static int |
1418 | coro_state_destroy (pTHX_ struct coro *coro) |
1486 | coro_state_destroy (pTHX_ struct coro *coro) |
1419 | { |
1487 | { |
1420 | if (coro->flags & CF_DESTROYED) |
1488 | if (coro->flags & CF_DESTROYED) |
1421 | return 0; |
1489 | return 0; |
|
|
1490 | |
|
|
1491 | if (coro->on_destroy) |
|
|
1492 | coro->on_destroy (aTHX_ coro); |
1422 | |
1493 | |
1423 | coro->flags |= CF_DESTROYED; |
1494 | coro->flags |= CF_DESTROYED; |
1424 | |
1495 | |
1425 | if (coro->flags & CF_READY) |
1496 | if (coro->flags & CF_READY) |
1426 | { |
1497 | { |
1427 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1498 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1428 | /* alternative: look through all ready queues and remove the coro */ |
1499 | /* alternative: look through all ready queues and remove the coro */ |
1429 | LOCK; |
|
|
1430 | --coro_nready; |
1500 | --coro_nready; |
1431 | UNLOCK; |
|
|
1432 | } |
1501 | } |
1433 | else |
1502 | else |
1434 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1503 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1435 | |
1504 | |
1436 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1505 | if (coro->mainstack |
|
|
1506 | && coro->mainstack != main_mainstack |
|
|
1507 | && coro->slot |
|
|
1508 | && !PL_dirty) |
1437 | { |
1509 | { |
1438 | struct coro temp; |
1510 | struct coro *current = SvSTATE_current; |
1439 | |
1511 | |
1440 | if (coro->flags & CF_RUNNING) |
1512 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1441 | croak ("FATAL: tried to destroy currently running coroutine"); |
|
|
1442 | |
1513 | |
1443 | save_perl (aTHX_ &temp); |
1514 | save_perl (aTHX_ current); |
1444 | load_perl (aTHX_ coro); |
1515 | load_perl (aTHX_ coro); |
1445 | |
1516 | |
1446 | coro_destruct (aTHX_ coro); |
1517 | coro_destruct_perl (aTHX_ coro); |
1447 | |
1518 | |
1448 | load_perl (aTHX_ &temp); |
1519 | load_perl (aTHX_ current); |
1449 | |
1520 | |
1450 | coro->slot = 0; |
1521 | coro->slot = 0; |
1451 | } |
1522 | } |
1452 | |
1523 | |
1453 | cctx_destroy (coro->cctx); |
1524 | cctx_destroy (coro->cctx); |
|
|
1525 | SvREFCNT_dec (coro->startcv); |
1454 | SvREFCNT_dec (coro->args); |
1526 | SvREFCNT_dec (coro->args); |
|
|
1527 | SvREFCNT_dec (CORO_THROW); |
1455 | |
1528 | |
1456 | if (coro->next) coro->next->prev = coro->prev; |
1529 | if (coro->next) coro->next->prev = coro->prev; |
1457 | if (coro->prev) coro->prev->next = coro->next; |
1530 | if (coro->prev) coro->prev->next = coro->next; |
1458 | if (coro == coro_first) coro_first = coro->next; |
1531 | if (coro == coro_first) coro_first = coro->next; |
1459 | |
1532 | |
… | |
… | |
1513 | |
1586 | |
1514 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1587 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1515 | TRANSFER (ta, 1); |
1588 | TRANSFER (ta, 1); |
1516 | } |
1589 | } |
1517 | |
1590 | |
|
|
1591 | /*****************************************************************************/ |
|
|
1592 | /* gensub: simple closure generation utility */ |
|
|
1593 | |
|
|
1594 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1595 | |
|
|
1596 | /* create a closure from XS, returns a code reference */ |
|
|
1597 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1598 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1599 | static SV * |
|
|
1600 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1601 | { |
|
|
1602 | CV *cv = (CV *)newSV (0); |
|
|
1603 | |
|
|
1604 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1605 | |
|
|
1606 | CvANON_on (cv); |
|
|
1607 | CvISXSUB_on (cv); |
|
|
1608 | CvXSUB (cv) = xsub; |
|
|
1609 | GENSUB_ARG = arg; |
|
|
1610 | |
|
|
1611 | return newRV_noinc ((SV *)cv); |
|
|
1612 | } |
|
|
1613 | |
1518 | /** Coro ********************************************************************/ |
1614 | /** Coro ********************************************************************/ |
1519 | |
1615 | |
1520 | static void |
1616 | INLINE void |
1521 | coro_enq (pTHX_ SV *coro_sv) |
1617 | coro_enq (pTHX_ struct coro *coro) |
1522 | { |
1618 | { |
1523 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1619 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1524 | } |
1620 | } |
1525 | |
1621 | |
1526 | static SV * |
1622 | INLINE SV * |
1527 | coro_deq (pTHX) |
1623 | coro_deq (pTHX) |
1528 | { |
1624 | { |
1529 | int prio; |
1625 | int prio; |
1530 | |
1626 | |
1531 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1627 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1540 | { |
1636 | { |
1541 | struct coro *coro; |
1637 | struct coro *coro; |
1542 | SV *sv_hook; |
1638 | SV *sv_hook; |
1543 | void (*xs_hook)(void); |
1639 | void (*xs_hook)(void); |
1544 | |
1640 | |
1545 | if (SvROK (coro_sv)) |
|
|
1546 | coro_sv = SvRV (coro_sv); |
|
|
1547 | |
|
|
1548 | coro = SvSTATE (coro_sv); |
1641 | coro = SvSTATE (coro_sv); |
1549 | |
1642 | |
1550 | if (coro->flags & CF_READY) |
1643 | if (coro->flags & CF_READY) |
1551 | return 0; |
1644 | return 0; |
1552 | |
1645 | |
1553 | coro->flags |= CF_READY; |
1646 | coro->flags |= CF_READY; |
1554 | |
1647 | |
1555 | LOCK; |
|
|
1556 | |
|
|
1557 | sv_hook = coro_nready ? 0 : coro_readyhook; |
1648 | sv_hook = coro_nready ? 0 : coro_readyhook; |
1558 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
1649 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
1559 | |
1650 | |
1560 | coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv)); |
1651 | coro_enq (aTHX_ coro); |
1561 | ++coro_nready; |
1652 | ++coro_nready; |
1562 | |
1653 | |
1563 | UNLOCK; |
|
|
1564 | |
|
|
1565 | if (sv_hook) |
1654 | if (sv_hook) |
1566 | { |
1655 | { |
1567 | dSP; |
1656 | dSP; |
1568 | |
1657 | |
1569 | ENTER; |
1658 | ENTER; |
1570 | SAVETMPS; |
1659 | SAVETMPS; |
1571 | |
1660 | |
1572 | PUSHMARK (SP); |
1661 | PUSHMARK (SP); |
1573 | PUTBACK; |
1662 | PUTBACK; |
1574 | call_sv (sv_hook, G_DISCARD); |
1663 | call_sv (sv_hook, G_VOID | G_DISCARD); |
1575 | SPAGAIN; |
|
|
1576 | |
1664 | |
1577 | FREETMPS; |
1665 | FREETMPS; |
1578 | LEAVE; |
1666 | LEAVE; |
1579 | } |
1667 | } |
1580 | |
1668 | |
… | |
… | |
1588 | api_is_ready (pTHX_ SV *coro_sv) |
1676 | api_is_ready (pTHX_ SV *coro_sv) |
1589 | { |
1677 | { |
1590 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1678 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1591 | } |
1679 | } |
1592 | |
1680 | |
|
|
1681 | /* expects to own a reference to next->hv */ |
1593 | INLINE void |
1682 | INLINE void |
1594 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1683 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1595 | { |
1684 | { |
1596 | SV *prev_sv, *next_sv; |
|
|
1597 | |
|
|
1598 | for (;;) |
|
|
1599 | { |
|
|
1600 | LOCK; |
|
|
1601 | next_sv = coro_deq (aTHX); |
|
|
1602 | |
|
|
1603 | /* nothing to schedule: call the idle handler */ |
|
|
1604 | if (expect_false (!next_sv)) |
|
|
1605 | { |
|
|
1606 | dSP; |
|
|
1607 | UNLOCK; |
|
|
1608 | |
|
|
1609 | ENTER; |
|
|
1610 | SAVETMPS; |
|
|
1611 | |
|
|
1612 | PUSHMARK (SP); |
|
|
1613 | PUTBACK; |
|
|
1614 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
|
|
1615 | SPAGAIN; |
|
|
1616 | |
|
|
1617 | FREETMPS; |
|
|
1618 | LEAVE; |
|
|
1619 | continue; |
|
|
1620 | } |
|
|
1621 | |
|
|
1622 | ta->next = SvSTATE (next_sv); |
|
|
1623 | |
|
|
1624 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1625 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
|
|
1626 | { |
|
|
1627 | UNLOCK; |
|
|
1628 | SvREFCNT_dec (next_sv); |
|
|
1629 | /* coro_nready has already been taken care of by destroy */ |
|
|
1630 | continue; |
|
|
1631 | } |
|
|
1632 | |
|
|
1633 | --coro_nready; |
|
|
1634 | UNLOCK; |
|
|
1635 | break; |
|
|
1636 | } |
|
|
1637 | |
|
|
1638 | /* free this only after the transfer */ |
|
|
1639 | prev_sv = SvRV (coro_current); |
1685 | SV *prev_sv = SvRV (coro_current); |
|
|
1686 | |
1640 | ta->prev = SvSTATE (prev_sv); |
1687 | ta->prev = SvSTATE_hv (prev_sv); |
|
|
1688 | ta->next = next; |
|
|
1689 | |
1641 | TRANSFER_CHECK (*ta); |
1690 | TRANSFER_CHECK (*ta); |
1642 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
1691 | |
1643 | ta->next->flags &= ~CF_READY; |
|
|
1644 | SvRV_set (coro_current, next_sv); |
1692 | SvRV_set (coro_current, (SV *)next->hv); |
1645 | |
1693 | |
1646 | LOCK; |
|
|
1647 | free_coro_mortal (aTHX); |
1694 | free_coro_mortal (aTHX); |
1648 | coro_mortal = prev_sv; |
1695 | coro_mortal = prev_sv; |
1649 | UNLOCK; |
1696 | } |
|
|
1697 | |
|
|
1698 | static void |
|
|
1699 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
|
|
1700 | { |
|
|
1701 | for (;;) |
|
|
1702 | { |
|
|
1703 | SV *next_sv = coro_deq (aTHX); |
|
|
1704 | |
|
|
1705 | if (expect_true (next_sv)) |
|
|
1706 | { |
|
|
1707 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1708 | |
|
|
1709 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1710 | if (expect_false (next->flags & CF_DESTROYED)) |
|
|
1711 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
|
|
1712 | else |
|
|
1713 | { |
|
|
1714 | next->flags &= ~CF_READY; |
|
|
1715 | --coro_nready; |
|
|
1716 | |
|
|
1717 | prepare_schedule_to (aTHX_ ta, next); |
|
|
1718 | break; |
|
|
1719 | } |
|
|
1720 | } |
|
|
1721 | else |
|
|
1722 | { |
|
|
1723 | /* nothing to schedule: call the idle handler */ |
|
|
1724 | if (SvROK (sv_idle) |
|
|
1725 | && SvOBJECT (SvRV (sv_idle))) |
|
|
1726 | { |
|
|
1727 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
|
|
1728 | api_ready (aTHX_ SvRV (sv_idle)); |
|
|
1729 | --coro_nready; |
|
|
1730 | } |
|
|
1731 | else |
|
|
1732 | { |
|
|
1733 | dSP; |
|
|
1734 | |
|
|
1735 | ENTER; |
|
|
1736 | SAVETMPS; |
|
|
1737 | |
|
|
1738 | PUSHMARK (SP); |
|
|
1739 | PUTBACK; |
|
|
1740 | call_sv (sv_idle, G_VOID | G_DISCARD); |
|
|
1741 | |
|
|
1742 | FREETMPS; |
|
|
1743 | LEAVE; |
|
|
1744 | } |
|
|
1745 | } |
|
|
1746 | } |
1650 | } |
1747 | } |
1651 | |
1748 | |
1652 | INLINE void |
1749 | INLINE void |
1653 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1750 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1654 | { |
1751 | { |
… | |
… | |
1675 | { |
1772 | { |
1676 | struct coro_transfer_args ta; |
1773 | struct coro_transfer_args ta; |
1677 | |
1774 | |
1678 | prepare_schedule (aTHX_ &ta); |
1775 | prepare_schedule (aTHX_ &ta); |
1679 | TRANSFER (ta, 1); |
1776 | TRANSFER (ta, 1); |
|
|
1777 | } |
|
|
1778 | |
|
|
1779 | static void |
|
|
1780 | api_schedule_to (pTHX_ SV *coro_sv) |
|
|
1781 | { |
|
|
1782 | struct coro_transfer_args ta; |
|
|
1783 | struct coro *next = SvSTATE (coro_sv); |
|
|
1784 | |
|
|
1785 | SvREFCNT_inc_NN (coro_sv); |
|
|
1786 | prepare_schedule_to (aTHX_ &ta, next); |
1680 | } |
1787 | } |
1681 | |
1788 | |
1682 | static int |
1789 | static int |
1683 | api_cede (pTHX) |
1790 | api_cede (pTHX) |
1684 | { |
1791 | { |
… | |
… | |
1713 | static void |
1820 | static void |
1714 | api_trace (pTHX_ SV *coro_sv, int flags) |
1821 | api_trace (pTHX_ SV *coro_sv, int flags) |
1715 | { |
1822 | { |
1716 | struct coro *coro = SvSTATE (coro_sv); |
1823 | struct coro *coro = SvSTATE (coro_sv); |
1717 | |
1824 | |
|
|
1825 | if (coro->flags & CF_RUNNING) |
|
|
1826 | croak ("cannot enable tracing on a running coroutine, caught"); |
|
|
1827 | |
1718 | if (flags & CC_TRACE) |
1828 | if (flags & CC_TRACE) |
1719 | { |
1829 | { |
1720 | if (!coro->cctx) |
1830 | if (!coro->cctx) |
1721 | coro->cctx = cctx_new_run (); |
1831 | coro->cctx = cctx_new_run (); |
1722 | else if (!(coro->cctx->flags & CC_TRACE)) |
1832 | else if (!(coro->cctx->flags & CC_TRACE)) |
1723 | croak ("cannot enable tracing on coroutine with custom stack"); |
1833 | croak ("cannot enable tracing on coroutine with custom stack, caught"); |
1724 | |
1834 | |
1725 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1835 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1726 | } |
1836 | } |
1727 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1837 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1728 | { |
1838 | { |
… | |
… | |
1733 | else |
1843 | else |
1734 | coro->slot->runops = RUNOPS_DEFAULT; |
1844 | coro->slot->runops = RUNOPS_DEFAULT; |
1735 | } |
1845 | } |
1736 | } |
1846 | } |
1737 | |
1847 | |
1738 | #if 0 |
1848 | static void |
|
|
1849 | coro_call_on_destroy (pTHX_ struct coro *coro) |
|
|
1850 | { |
|
|
1851 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
|
|
1852 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1853 | |
|
|
1854 | if (on_destroyp) |
|
|
1855 | { |
|
|
1856 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1857 | |
|
|
1858 | while (AvFILLp (on_destroy) >= 0) |
|
|
1859 | { |
|
|
1860 | dSP; /* don't disturb outer sp */ |
|
|
1861 | SV *cb = av_pop (on_destroy); |
|
|
1862 | |
|
|
1863 | PUSHMARK (SP); |
|
|
1864 | |
|
|
1865 | if (statusp) |
|
|
1866 | { |
|
|
1867 | int i; |
|
|
1868 | AV *status = (AV *)SvRV (*statusp); |
|
|
1869 | EXTEND (SP, AvFILLp (status) + 1); |
|
|
1870 | |
|
|
1871 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1872 | PUSHs (AvARRAY (status)[i]); |
|
|
1873 | } |
|
|
1874 | |
|
|
1875 | PUTBACK; |
|
|
1876 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
|
|
1877 | } |
|
|
1878 | } |
|
|
1879 | } |
|
|
1880 | |
|
|
1881 | static void |
|
|
1882 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1883 | { |
|
|
1884 | int i; |
|
|
1885 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1886 | AV *av = newAV (); |
|
|
1887 | |
|
|
1888 | av_extend (av, items - 1); |
|
|
1889 | for (i = 0; i < items; ++i) |
|
|
1890 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
1891 | |
|
|
1892 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
1893 | |
|
|
1894 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
|
|
1895 | api_ready (aTHX_ sv_manager); |
|
|
1896 | |
|
|
1897 | frame->prepare = prepare_schedule; |
|
|
1898 | frame->check = slf_check_repeat; |
|
|
1899 | |
|
|
1900 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
1901 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
1902 | /*coro_unwind_stacks (aTHX);*/ |
|
|
1903 | } |
|
|
1904 | |
|
|
1905 | /*****************************************************************************/ |
|
|
1906 | /* async pool handler */ |
|
|
1907 | |
1739 | static int |
1908 | static int |
1740 | coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) |
1909 | slf_check_pool_handler (pTHX_ struct CoroSLF *frame) |
1741 | { |
1910 | { |
1742 | AV *padlist; |
1911 | HV *hv = (HV *)SvRV (coro_current); |
1743 | AV *av = (AV *)mg->mg_obj; |
1912 | struct coro *coro = (struct coro *)frame->data; |
1744 | |
1913 | |
1745 | abort (); |
1914 | if (!coro->invoke_cb) |
|
|
1915 | return 1; /* loop till we have invoke */ |
|
|
1916 | else |
|
|
1917 | { |
|
|
1918 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
1919 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
1920 | |
|
|
1921 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
1922 | |
|
|
1923 | { |
|
|
1924 | dSP; |
|
|
1925 | XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0; |
|
|
1926 | PUTBACK; |
|
|
1927 | } |
|
|
1928 | |
|
|
1929 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
1930 | GvAV (PL_defgv) = coro->invoke_av; |
|
|
1931 | coro->invoke_av = 0; |
|
|
1932 | |
|
|
1933 | return 0; |
|
|
1934 | } |
|
|
1935 | } |
|
|
1936 | |
|
|
1937 | static void |
|
|
1938 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1939 | { |
|
|
1940 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1941 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
1942 | |
|
|
1943 | if (expect_true (coro->saved_deffh)) |
|
|
1944 | { |
|
|
1945 | /* subsequent iteration */ |
|
|
1946 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
1947 | coro->saved_deffh = 0; |
|
|
1948 | |
|
|
1949 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
1950 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1951 | { |
|
|
1952 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
|
|
1953 | coro->invoke_av = newAV (); |
|
|
1954 | |
|
|
1955 | frame->prepare = prepare_nop; |
|
|
1956 | } |
|
|
1957 | else |
|
|
1958 | { |
|
|
1959 | av_clear (GvAV (PL_defgv)); |
|
|
1960 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
|
|
1961 | |
|
|
1962 | coro->prio = 0; |
|
|
1963 | |
|
|
1964 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
1965 | api_trace (aTHX_ coro_current, 0); |
|
|
1966 | |
|
|
1967 | frame->prepare = prepare_schedule; |
|
|
1968 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
|
|
1969 | } |
|
|
1970 | } |
|
|
1971 | else |
|
|
1972 | { |
|
|
1973 | /* first iteration, simply fall through */ |
|
|
1974 | frame->prepare = prepare_nop; |
|
|
1975 | } |
|
|
1976 | |
|
|
1977 | frame->check = slf_check_pool_handler; |
|
|
1978 | frame->data = (void *)coro; |
|
|
1979 | } |
|
|
1980 | |
|
|
1981 | /*****************************************************************************/ |
|
|
1982 | /* rouse callback */ |
|
|
1983 | |
|
|
1984 | #define CORO_MAGIC_type_rouse PERL_MAGIC_ext |
|
|
1985 | |
|
|
1986 | static void |
|
|
1987 | coro_rouse_callback (pTHX_ CV *cv) |
|
|
1988 | { |
|
|
1989 | dXSARGS; |
|
|
1990 | SV *data = (SV *)GENSUB_ARG; |
|
|
1991 | |
|
|
1992 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
1993 | { |
|
|
1994 | /* first call, set args */ |
|
|
1995 | AV *av = newAV (); |
|
|
1996 | SV *coro = SvRV (data); |
|
|
1997 | |
|
|
1998 | SvRV_set (data, (SV *)av); |
|
|
1999 | api_ready (aTHX_ coro); |
|
|
2000 | SvREFCNT_dec (coro); |
|
|
2001 | |
|
|
2002 | /* better take a full copy of the arguments */ |
|
|
2003 | while (items--) |
|
|
2004 | av_store (av, items, newSVsv (ST (items))); |
|
|
2005 | } |
|
|
2006 | |
|
|
2007 | XSRETURN_EMPTY; |
|
|
2008 | } |
|
|
2009 | |
|
|
2010 | static int |
|
|
2011 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
|
|
2012 | { |
|
|
2013 | SV *data = (SV *)frame->data; |
|
|
2014 | |
|
|
2015 | if (CORO_THROW) |
|
|
2016 | return 0; |
|
|
2017 | |
|
|
2018 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
2019 | return 1; |
|
|
2020 | |
|
|
2021 | /* now push all results on the stack */ |
|
|
2022 | { |
|
|
2023 | dSP; |
|
|
2024 | AV *av = (AV *)SvRV (data); |
|
|
2025 | int i; |
|
|
2026 | |
|
|
2027 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2028 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2029 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
|
|
2030 | |
|
|
2031 | /* we have stolen the elements, so ste length to zero and free */ |
|
|
2032 | AvFILLp (av) = -1; |
|
|
2033 | av_undef (av); |
|
|
2034 | |
|
|
2035 | PUTBACK; |
|
|
2036 | } |
1746 | |
2037 | |
1747 | return 0; |
2038 | return 0; |
1748 | } |
2039 | } |
1749 | |
2040 | |
1750 | static MGVTBL coro_gensub_vtbl = { |
2041 | static void |
1751 | 0, 0, 0, 0, |
2042 | slf_init_rouse_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1752 | coro_gensub_free |
2043 | { |
1753 | }; |
2044 | SV *cb; |
1754 | #endif |
2045 | |
|
|
2046 | if (items) |
|
|
2047 | cb = arg [0]; |
|
|
2048 | else |
|
|
2049 | { |
|
|
2050 | struct coro *coro = SvSTATE_current; |
|
|
2051 | |
|
|
2052 | if (!coro->rouse_cb) |
|
|
2053 | croak ("Coro::rouse_wait called without rouse callback, and no default rouse callback found either,"); |
|
|
2054 | |
|
|
2055 | cb = sv_2mortal (coro->rouse_cb); |
|
|
2056 | coro->rouse_cb = 0; |
|
|
2057 | } |
|
|
2058 | |
|
|
2059 | if (!SvROK (cb) |
|
|
2060 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
|
|
2061 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
|
|
2062 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
|
|
2063 | |
|
|
2064 | { |
|
|
2065 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
|
|
2066 | SV *data = (SV *)GENSUB_ARG; |
|
|
2067 | |
|
|
2068 | frame->data = (void *)data; |
|
|
2069 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
|
|
2070 | frame->check = slf_check_rouse_wait; |
|
|
2071 | } |
|
|
2072 | } |
|
|
2073 | |
|
|
2074 | static SV * |
|
|
2075 | coro_new_rouse_cb (pTHX) |
|
|
2076 | { |
|
|
2077 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2078 | struct coro *coro = SvSTATE_hv (hv); |
|
|
2079 | SV *data = newRV_inc ((SV *)hv); |
|
|
2080 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
|
|
2081 | |
|
|
2082 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
|
|
2083 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
|
|
2084 | |
|
|
2085 | SvREFCNT_dec (coro->rouse_cb); |
|
|
2086 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
|
|
2087 | |
|
|
2088 | return cb; |
|
|
2089 | } |
|
|
2090 | |
|
|
2091 | /*****************************************************************************/ |
|
|
2092 | /* schedule-like-function opcode (SLF) */ |
|
|
2093 | |
|
|
2094 | static UNOP slf_restore; /* restore stack as entersub did, for first-re-run */ |
|
|
2095 | static const CV *slf_cv; |
|
|
2096 | static SV **slf_argv; |
|
|
2097 | static int slf_argc, slf_arga; /* count, allocated */ |
|
|
2098 | static I32 slf_ax; /* top of stack, for restore */ |
|
|
2099 | |
|
|
2100 | /* this restores the stack in the case we patched the entersub, to */ |
|
|
2101 | /* recreate the stack frame as perl will on following calls */ |
|
|
2102 | /* since entersub cleared the stack */ |
|
|
2103 | static OP * |
|
|
2104 | pp_restore (pTHX) |
|
|
2105 | { |
|
|
2106 | int i; |
|
|
2107 | SV **SP = PL_stack_base + slf_ax; |
|
|
2108 | |
|
|
2109 | PUSHMARK (SP); |
|
|
2110 | |
|
|
2111 | EXTEND (SP, slf_argc + 1); |
|
|
2112 | |
|
|
2113 | for (i = 0; i < slf_argc; ++i) |
|
|
2114 | PUSHs (sv_2mortal (slf_argv [i])); |
|
|
2115 | |
|
|
2116 | PUSHs ((SV *)CvGV (slf_cv)); |
|
|
2117 | |
|
|
2118 | RETURNOP (slf_restore.op_first); |
|
|
2119 | } |
|
|
2120 | |
|
|
2121 | static void |
|
|
2122 | slf_prepare_transfer (pTHX_ struct coro_transfer_args *ta) |
|
|
2123 | { |
|
|
2124 | SV **arg = (SV **)slf_frame.data; |
|
|
2125 | |
|
|
2126 | prepare_transfer (aTHX_ ta, arg [0], arg [1]); |
|
|
2127 | } |
|
|
2128 | |
|
|
2129 | static void |
|
|
2130 | slf_init_transfer (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2131 | { |
|
|
2132 | if (items != 2) |
|
|
2133 | croak ("Coro::State::transfer (prev, next) expects two arguments, not %d,", items); |
|
|
2134 | |
|
|
2135 | frame->prepare = slf_prepare_transfer; |
|
|
2136 | frame->check = slf_check_nop; |
|
|
2137 | frame->data = (void *)arg; /* let's hope it will stay valid */ |
|
|
2138 | } |
|
|
2139 | |
|
|
2140 | static void |
|
|
2141 | slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2142 | { |
|
|
2143 | frame->prepare = prepare_schedule; |
|
|
2144 | frame->check = slf_check_nop; |
|
|
2145 | } |
|
|
2146 | |
|
|
2147 | static void |
|
|
2148 | slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta) |
|
|
2149 | { |
|
|
2150 | struct coro *next = (struct coro *)slf_frame.data; |
|
|
2151 | |
|
|
2152 | SvREFCNT_inc_NN (next->hv); |
|
|
2153 | prepare_schedule_to (aTHX_ ta, next); |
|
|
2154 | } |
|
|
2155 | |
|
|
2156 | static void |
|
|
2157 | slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2158 | { |
|
|
2159 | if (!items) |
|
|
2160 | croak ("Coro::schedule_to expects a coroutine argument, caught"); |
|
|
2161 | |
|
|
2162 | frame->data = (void *)SvSTATE (arg [0]); |
|
|
2163 | frame->prepare = slf_prepare_schedule_to; |
|
|
2164 | frame->check = slf_check_nop; |
|
|
2165 | } |
|
|
2166 | |
|
|
2167 | static void |
|
|
2168 | slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2169 | { |
|
|
2170 | api_ready (aTHX_ SvRV (coro_current)); |
|
|
2171 | |
|
|
2172 | slf_init_schedule_to (aTHX_ frame, cv, arg, items); |
|
|
2173 | } |
|
|
2174 | |
|
|
2175 | static void |
|
|
2176 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2177 | { |
|
|
2178 | frame->prepare = prepare_cede; |
|
|
2179 | frame->check = slf_check_nop; |
|
|
2180 | } |
|
|
2181 | |
|
|
2182 | static void |
|
|
2183 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2184 | { |
|
|
2185 | frame->prepare = prepare_cede_notself; |
|
|
2186 | frame->check = slf_check_nop; |
|
|
2187 | } |
|
|
2188 | |
|
|
2189 | /* |
|
|
2190 | * these not obviously related functions are all rolled into one |
|
|
2191 | * function to increase chances that they all will call transfer with the same |
|
|
2192 | * stack offset |
|
|
2193 | * SLF stands for "schedule-like-function". |
|
|
2194 | */ |
|
|
2195 | static OP * |
|
|
2196 | pp_slf (pTHX) |
|
|
2197 | { |
|
|
2198 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
|
|
2199 | |
|
|
2200 | /* set up the slf frame, unless it has already been set-up */ |
|
|
2201 | /* the latter happens when a new coro has been started */ |
|
|
2202 | /* or when a new cctx was attached to an existing coroutine */ |
|
|
2203 | if (expect_true (!slf_frame.prepare)) |
|
|
2204 | { |
|
|
2205 | /* first iteration */ |
|
|
2206 | dSP; |
|
|
2207 | SV **arg = PL_stack_base + TOPMARK + 1; |
|
|
2208 | int items = SP - arg; /* args without function object */ |
|
|
2209 | SV *gv = *sp; |
|
|
2210 | |
|
|
2211 | /* do a quick consistency check on the "function" object, and if it isn't */ |
|
|
2212 | /* for us, divert to the real entersub */ |
|
|
2213 | if (SvTYPE (gv) != SVt_PVGV |
|
|
2214 | || !GvCV (gv) |
|
|
2215 | || !(CvFLAGS (GvCV (gv)) & CVf_SLF)) |
|
|
2216 | return PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
2217 | |
|
|
2218 | if (!(PL_op->op_flags & OPf_STACKED)) |
|
|
2219 | { |
|
|
2220 | /* ampersand-form of call, use @_ instead of stack */ |
|
|
2221 | AV *av = GvAV (PL_defgv); |
|
|
2222 | arg = AvARRAY (av); |
|
|
2223 | items = AvFILLp (av) + 1; |
|
|
2224 | } |
|
|
2225 | |
|
|
2226 | /* now call the init function, which needs to set up slf_frame */ |
|
|
2227 | ((coro_slf_cb)CvXSUBANY (GvCV (gv)).any_ptr) |
|
|
2228 | (aTHX_ &slf_frame, GvCV (gv), arg, items); |
|
|
2229 | |
|
|
2230 | /* pop args */ |
|
|
2231 | SP = PL_stack_base + POPMARK; |
|
|
2232 | |
|
|
2233 | PUTBACK; |
|
|
2234 | } |
|
|
2235 | |
|
|
2236 | /* now that we have a slf_frame, interpret it! */ |
|
|
2237 | /* we use a callback system not to make the code needlessly */ |
|
|
2238 | /* complicated, but so we can run multiple perl coros from one cctx */ |
|
|
2239 | |
|
|
2240 | do |
|
|
2241 | { |
|
|
2242 | struct coro_transfer_args ta; |
|
|
2243 | |
|
|
2244 | slf_frame.prepare (aTHX_ &ta); |
|
|
2245 | TRANSFER (ta, 0); |
|
|
2246 | |
|
|
2247 | checkmark = PL_stack_sp - PL_stack_base; |
|
|
2248 | } |
|
|
2249 | while (slf_frame.check (aTHX_ &slf_frame)); |
|
|
2250 | |
|
|
2251 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
|
|
2252 | |
|
|
2253 | /* exception handling */ |
|
|
2254 | if (expect_false (CORO_THROW)) |
|
|
2255 | { |
|
|
2256 | SV *exception = sv_2mortal (CORO_THROW); |
|
|
2257 | |
|
|
2258 | CORO_THROW = 0; |
|
|
2259 | sv_setsv (ERRSV, exception); |
|
|
2260 | croak (0); |
|
|
2261 | } |
|
|
2262 | |
|
|
2263 | /* return value handling - mostly like entersub */ |
|
|
2264 | /* make sure we put something on the stack in scalar context */ |
|
|
2265 | if (GIMME_V == G_SCALAR) |
|
|
2266 | { |
|
|
2267 | dSP; |
|
|
2268 | SV **bot = PL_stack_base + checkmark; |
|
|
2269 | |
|
|
2270 | if (sp == bot) /* too few, push undef */ |
|
|
2271 | bot [1] = &PL_sv_undef; |
|
|
2272 | else if (sp != bot + 1) /* too many, take last one */ |
|
|
2273 | bot [1] = *sp; |
|
|
2274 | |
|
|
2275 | SP = bot + 1; |
|
|
2276 | |
|
|
2277 | PUTBACK; |
|
|
2278 | } |
|
|
2279 | |
|
|
2280 | return NORMAL; |
|
|
2281 | } |
|
|
2282 | |
|
|
2283 | static void |
|
|
2284 | api_execute_slf (pTHX_ CV *cv, coro_slf_cb init_cb, I32 ax) |
|
|
2285 | { |
|
|
2286 | int i; |
|
|
2287 | SV **arg = PL_stack_base + ax; |
|
|
2288 | int items = PL_stack_sp - arg + 1; |
|
|
2289 | |
|
|
2290 | assert (("FATAL: SLF call with illegal CV value", !CvANON (cv))); |
|
|
2291 | |
|
|
2292 | if (PL_op->op_ppaddr != PL_ppaddr [OP_ENTERSUB] |
|
|
2293 | && PL_op->op_ppaddr != pp_slf) |
|
|
2294 | croak ("FATAL: Coro SLF calls can only be made normally, not via goto or any other means, caught"); |
|
|
2295 | |
|
|
2296 | CvFLAGS (cv) |= CVf_SLF; |
|
|
2297 | CvXSUBANY (cv).any_ptr = (void *)init_cb; |
|
|
2298 | slf_cv = cv; |
|
|
2299 | |
|
|
2300 | /* we patch the op, and then re-run the whole call */ |
|
|
2301 | /* we have to put the same argument on the stack for this to work */ |
|
|
2302 | /* and this will be done by pp_restore */ |
|
|
2303 | slf_restore.op_next = (OP *)&slf_restore; |
|
|
2304 | slf_restore.op_type = OP_CUSTOM; |
|
|
2305 | slf_restore.op_ppaddr = pp_restore; |
|
|
2306 | slf_restore.op_first = PL_op; |
|
|
2307 | |
|
|
2308 | slf_ax = ax - 1; /* undo the ax++ inside dAXMARK */ |
|
|
2309 | |
|
|
2310 | if (PL_op->op_flags & OPf_STACKED) |
|
|
2311 | { |
|
|
2312 | if (items > slf_arga) |
|
|
2313 | { |
|
|
2314 | slf_arga = items; |
|
|
2315 | free (slf_argv); |
|
|
2316 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
|
|
2317 | } |
|
|
2318 | |
|
|
2319 | slf_argc = items; |
|
|
2320 | |
|
|
2321 | for (i = 0; i < items; ++i) |
|
|
2322 | slf_argv [i] = SvREFCNT_inc (arg [i]); |
|
|
2323 | } |
|
|
2324 | else |
|
|
2325 | slf_argc = 0; |
|
|
2326 | |
|
|
2327 | PL_op->op_ppaddr = pp_slf; |
|
|
2328 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
|
|
2329 | |
|
|
2330 | PL_op = (OP *)&slf_restore; |
|
|
2331 | } |
|
|
2332 | |
|
|
2333 | /*****************************************************************************/ |
|
|
2334 | /* dynamic wind */ |
|
|
2335 | |
|
|
2336 | static void |
|
|
2337 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2338 | { |
|
|
2339 | dSP; |
|
|
2340 | |
|
|
2341 | PUSHSTACK; |
|
|
2342 | |
|
|
2343 | PUSHMARK (SP); |
|
|
2344 | PUTBACK; |
|
|
2345 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2346 | SPAGAIN; |
|
|
2347 | |
|
|
2348 | POPSTACK; |
|
|
2349 | } |
|
|
2350 | |
|
|
2351 | static SV * |
|
|
2352 | coro_avp_pop_and_free (AV **avp) |
|
|
2353 | { |
|
|
2354 | AV *av = *avp; |
|
|
2355 | SV *res = av_pop (av); |
|
|
2356 | |
|
|
2357 | if (AvFILLp (av) < 0) |
|
|
2358 | { |
|
|
2359 | *avp = 0; |
|
|
2360 | SvREFCNT_dec (av); |
|
|
2361 | } |
|
|
2362 | |
|
|
2363 | return res; |
|
|
2364 | } |
|
|
2365 | |
|
|
2366 | static void |
|
|
2367 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2368 | { |
|
|
2369 | SV *cb = coro_avp_pop_and_free (&((struct coro *)coro)->on_enter); |
|
|
2370 | SvREFCNT_dec (cb); |
|
|
2371 | } |
|
|
2372 | |
|
|
2373 | static void |
|
|
2374 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2375 | { |
|
|
2376 | SV *cb = coro_avp_pop_and_free (&((struct coro *)coro)->on_leave); |
|
|
2377 | on_enterleave_call (sv_2mortal (cb)); |
|
|
2378 | } |
1755 | |
2379 | |
1756 | /*****************************************************************************/ |
2380 | /*****************************************************************************/ |
1757 | /* PerlIO::cede */ |
2381 | /* PerlIO::cede */ |
1758 | |
2382 | |
1759 | typedef struct |
2383 | typedef struct |
… | |
… | |
1827 | PerlIOBuf_get_cnt, |
2451 | PerlIOBuf_get_cnt, |
1828 | PerlIOBuf_set_ptrcnt, |
2452 | PerlIOBuf_set_ptrcnt, |
1829 | }; |
2453 | }; |
1830 | |
2454 | |
1831 | /*****************************************************************************/ |
2455 | /*****************************************************************************/ |
|
|
2456 | /* Coro::Semaphore & Coro::Signal */ |
1832 | |
2457 | |
1833 | static const CV *slf_cv; /* for quick consistency check */ |
|
|
1834 | |
|
|
1835 | static UNOP slf_restore; /* restore stack as entersub did, for first-re-run */ |
|
|
1836 | static SV *slf_arg0; |
|
|
1837 | static SV *slf_arg1; |
|
|
1838 | |
|
|
1839 | /* this restores the stack in the case we patched the entersub, to */ |
|
|
1840 | /* recreate the stack frame as perl will on following calls */ |
|
|
1841 | /* since entersub cleared the stack */ |
|
|
1842 | static OP * |
2458 | static SV * |
1843 | pp_restore (pTHX) |
2459 | coro_waitarray_new (pTHX_ int count) |
1844 | { |
2460 | { |
1845 | dSP; |
2461 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
|
|
2462 | AV *av = newAV (); |
|
|
2463 | SV **ary; |
1846 | |
2464 | |
1847 | PUSHMARK (SP); |
2465 | /* unfortunately, building manually saves memory */ |
|
|
2466 | Newx (ary, 2, SV *); |
|
|
2467 | AvALLOC (av) = ary; |
|
|
2468 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
2469 | AvARRAY (av) = ary; |
|
|
2470 | #else |
|
|
2471 | /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */ |
|
|
2472 | /* -DDEBUGGING flags this as a bug, despite it perfectly working */ |
|
|
2473 | SvPVX ((SV *)av) = (char *)ary; |
|
|
2474 | #endif |
|
|
2475 | AvMAX (av) = 1; |
|
|
2476 | AvFILLp (av) = 0; |
|
|
2477 | ary [0] = newSViv (count); |
1848 | |
2478 | |
1849 | EXTEND (SP, 3); |
2479 | return newRV_noinc ((SV *)av); |
1850 | if (slf_arg0) PUSHs (sv_2mortal (slf_arg0)); |
|
|
1851 | if (slf_arg1) PUSHs (sv_2mortal (slf_arg1)); |
|
|
1852 | PUSHs ((SV *)CvGV (slf_cv)); |
|
|
1853 | |
|
|
1854 | RETURNOP (slf_restore.op_first); |
|
|
1855 | } |
2480 | } |
1856 | |
2481 | |
1857 | static void |
2482 | /* semaphore */ |
1858 | slf_init_set_stacklevel (pTHX_ SV **arg, int items) |
|
|
1859 | { |
|
|
1860 | assert (("FATAL: set_stacklevel needs the coro cctx as sole argument", items == 1)); |
|
|
1861 | CORO_SLF_DATA = (void *)SvIV (arg [0]); |
|
|
1862 | } |
|
|
1863 | |
2483 | |
1864 | static void |
2484 | static void |
1865 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
2485 | coro_semaphore_adjust (pTHX_ AV *av, IV adjust) |
1866 | { |
2486 | { |
1867 | prepare_set_stacklevel (ta, (struct coro_cctx *)CORO_SLF_DATA); |
2487 | SV *count_sv = AvARRAY (av)[0]; |
1868 | } |
2488 | IV count = SvIVX (count_sv); |
1869 | |
2489 | |
1870 | static void |
2490 | count += adjust; |
1871 | slf_init_transfer (pTHX_ SV **arg, int items) |
2491 | SvIVX (count_sv) = count; |
1872 | { |
|
|
1873 | if (items != 2) |
|
|
1874 | croak ("Coro::State::transfer (prev, next) expects two arguments, not %d.", items); |
|
|
1875 | |
2492 | |
1876 | CORO_SLF_DATA = (void *)arg; /* let's hope it will stay valid */ |
2493 | /* now wake up as many waiters as are expected to lock */ |
1877 | } |
2494 | while (count > 0 && AvFILLp (av) > 0) |
1878 | |
|
|
1879 | static void |
|
|
1880 | slf_prepare_transfer (pTHX_ struct coro_transfer_args *ta) |
|
|
1881 | { |
|
|
1882 | SV **arg = (SV **)CORO_SLF_DATA; |
|
|
1883 | |
|
|
1884 | prepare_transfer (ta, arg [0], arg [1]); |
|
|
1885 | } |
|
|
1886 | |
|
|
1887 | static void |
|
|
1888 | slf_init_nop (pTHX_ SV **arg, int items) |
|
|
1889 | { |
|
|
1890 | } |
|
|
1891 | |
|
|
1892 | /* slf_prepare_schedule == prepare_schedule */ |
|
|
1893 | /* slf_prepare_cede == prepare_cede */ |
|
|
1894 | /* slf_prepare_notself == prepare_notself */ |
|
|
1895 | |
|
|
1896 | /* we hijack an hopefully unused CV flag for our purposes */ |
|
|
1897 | #define CVf_SLF 0x4000 |
|
|
1898 | |
|
|
1899 | /* |
|
|
1900 | * these not obviously related functions are all rolled into one |
|
|
1901 | * function to increase chances that they all will call transfer with the same |
|
|
1902 | * stack offset |
|
|
1903 | * SLF stands for "schedule-like-function". |
|
|
1904 | */ |
|
|
1905 | static OP * |
|
|
1906 | pp_slf (pTHX) |
|
|
1907 | { |
|
|
1908 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
|
|
1909 | |
|
|
1910 | if (expect_true (!slf_frame.prepare)) |
|
|
1911 | { |
2495 | { |
1912 | /* first iteration */ |
2496 | SV *cb; |
1913 | dSP; |
|
|
1914 | SV **arg = PL_stack_base + TOPMARK + 1; |
|
|
1915 | int items = SP - arg; /* args without function object */ |
|
|
1916 | SV *gv = *sp; |
|
|
1917 | struct CoroSLF *slf; |
|
|
1918 | |
2497 | |
1919 | /* do a quick consistency check on the "function" object, and if it isn't */ |
2498 | /* swap first two elements so we can shift a waiter */ |
1920 | /* for us, divert to the real entersub */ |
2499 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
1921 | if (SvTYPE (gv) != SVt_PVGV || !(CvFLAGS (GvCV (gv)) & CVf_SLF)) |
2500 | AvARRAY (av)[1] = count_sv; |
1922 | return PL_ppaddr[OP_ENTERSUB](aTHX); |
2501 | cb = av_shift (av); |
1923 | |
2502 | |
1924 | /* pop args */ |
2503 | if (SvOBJECT (cb)) |
1925 | SP = PL_stack_base + POPMARK; |
|
|
1926 | |
|
|
1927 | if (!(PL_op->op_flags & OPf_STACKED)) |
|
|
1928 | { |
2504 | { |
1929 | /* ampersand-form of call, use @_ instead of stack */ |
2505 | api_ready (aTHX_ cb); |
1930 | AV *av = GvAV (PL_defgv); |
2506 | --count; |
1931 | arg = AvARRAY (av); |
|
|
1932 | items = AvFILLp (av) + 1; |
|
|
1933 | } |
2507 | } |
1934 | |
2508 | else if (SvTYPE (cb) == SVt_PVCV) |
|
|
2509 | { |
|
|
2510 | dSP; |
|
|
2511 | PUSHMARK (SP); |
|
|
2512 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
1935 | PUTBACK; |
2513 | PUTBACK; |
|
|
2514 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
2515 | } |
1936 | |
2516 | |
1937 | slf = (struct CoroSLF *)CvXSUBANY (GvCV (gv)).any_ptr; |
2517 | SvREFCNT_dec (cb); |
1938 | slf_frame.prepare = slf->prepare; |
|
|
1939 | slf_frame.check = slf->check; |
|
|
1940 | slf->init (aTHX_ arg, items); |
|
|
1941 | } |
|
|
1942 | |
|
|
1943 | /* now interpret the slf_frame */ |
|
|
1944 | /* we use a callback system not to make the code needlessly */ |
|
|
1945 | /* complicated, but so we can run multiple perl coros from one cctx */ |
|
|
1946 | |
|
|
1947 | do |
|
|
1948 | { |
2518 | } |
1949 | struct coro_transfer_args ta; |
2519 | } |
1950 | |
2520 | |
1951 | slf_frame.prepare (aTHX_ &ta); |
2521 | static void |
1952 | TRANSFER (ta, 0); |
2522 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
|
|
2523 | { |
|
|
2524 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
|
|
2525 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
|
|
2526 | } |
1953 | |
2527 | |
1954 | checkmark = PL_stack_sp - PL_stack_base; |
2528 | static int |
|
|
2529 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
|
|
2530 | { |
|
|
2531 | AV *av = (AV *)frame->data; |
|
|
2532 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2533 | |
|
|
2534 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
|
|
2535 | if (CORO_THROW) |
|
|
2536 | return 0; |
|
|
2537 | else if (SvIVX (count_sv) > 0) |
1955 | } |
2538 | { |
1956 | while (slf_frame.check (aTHX)); |
2539 | SvSTATE_current->on_destroy = 0; |
1957 | |
2540 | |
|
|
2541 | if (acquire) |
|
|
2542 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
|
|
2543 | else |
|
|
2544 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2545 | |
|
|
2546 | return 0; |
|
|
2547 | } |
|
|
2548 | else |
|
|
2549 | { |
|
|
2550 | int i; |
|
|
2551 | /* if we were woken up but can't down, we look through the whole */ |
|
|
2552 | /* waiters list and only add us if we aren't in there already */ |
|
|
2553 | /* this avoids some degenerate memory usage cases */ |
|
|
2554 | |
|
|
2555 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2556 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
|
|
2557 | return 1; |
|
|
2558 | |
|
|
2559 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
|
|
2560 | return 1; |
|
|
2561 | } |
|
|
2562 | } |
|
|
2563 | |
|
|
2564 | static int |
|
|
2565 | slf_check_semaphore_down (pTHX_ struct CoroSLF *frame) |
|
|
2566 | { |
|
|
2567 | return slf_check_semaphore_down_or_wait (aTHX_ frame, 1); |
|
|
2568 | } |
|
|
2569 | |
|
|
2570 | static int |
|
|
2571 | slf_check_semaphore_wait (pTHX_ struct CoroSLF *frame) |
|
|
2572 | { |
|
|
2573 | return slf_check_semaphore_down_or_wait (aTHX_ frame, 0); |
|
|
2574 | } |
|
|
2575 | |
|
|
2576 | static void |
|
|
2577 | slf_init_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2578 | { |
|
|
2579 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2580 | |
|
|
2581 | if (SvIVX (AvARRAY (av)[0]) > 0) |
|
|
2582 | { |
|
|
2583 | frame->data = (void *)av; |
|
|
2584 | frame->prepare = prepare_nop; |
|
|
2585 | } |
|
|
2586 | else |
|
|
2587 | { |
|
|
2588 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
|
|
2589 | |
|
|
2590 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
|
|
2591 | frame->prepare = prepare_schedule; |
|
|
2592 | |
|
|
2593 | /* to avoid race conditions when a woken-up coro gets terminated */ |
|
|
2594 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
|
|
2595 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
|
|
2596 | } |
|
|
2597 | } |
|
|
2598 | |
|
|
2599 | static void |
|
|
2600 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2601 | { |
|
|
2602 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
|
|
2603 | frame->check = slf_check_semaphore_down; |
|
|
2604 | } |
|
|
2605 | |
|
|
2606 | static void |
|
|
2607 | slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2608 | { |
|
|
2609 | if (items >= 2) |
|
|
2610 | { |
|
|
2611 | /* callback form */ |
|
|
2612 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2613 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
|
|
2614 | |
|
|
2615 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
|
|
2616 | |
|
|
2617 | if (SvIVX (AvARRAY (av)[0]) > 0) |
|
|
2618 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2619 | |
|
|
2620 | frame->prepare = prepare_nop; |
|
|
2621 | frame->check = slf_check_nop; |
|
|
2622 | } |
|
|
2623 | else |
|
|
2624 | { |
|
|
2625 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
|
|
2626 | frame->check = slf_check_semaphore_wait; |
|
|
2627 | } |
|
|
2628 | } |
|
|
2629 | |
|
|
2630 | /* signal */ |
|
|
2631 | |
|
|
2632 | static void |
|
|
2633 | coro_signal_wake (pTHX_ AV *av, int count) |
|
|
2634 | { |
|
|
2635 | SvIVX (AvARRAY (av)[0]) = 0; |
|
|
2636 | |
|
|
2637 | /* now signal count waiters */ |
|
|
2638 | while (count > 0 && AvFILLp (av) > 0) |
|
|
2639 | { |
|
|
2640 | SV *cb; |
|
|
2641 | |
|
|
2642 | /* swap first two elements so we can shift a waiter */ |
|
|
2643 | cb = AvARRAY (av)[0]; |
|
|
2644 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
|
|
2645 | AvARRAY (av)[1] = cb; |
|
|
2646 | |
|
|
2647 | cb = av_shift (av); |
|
|
2648 | |
|
|
2649 | api_ready (aTHX_ cb); |
|
|
2650 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
2651 | SvREFCNT_dec (cb); |
|
|
2652 | |
|
|
2653 | --count; |
|
|
2654 | } |
|
|
2655 | } |
|
|
2656 | |
|
|
2657 | static int |
|
|
2658 | slf_check_signal_wait (pTHX_ struct CoroSLF *frame) |
|
|
2659 | { |
|
|
2660 | /* if we are about to throw, also stop waiting */ |
|
|
2661 | return SvROK ((SV *)frame->data) && !CORO_THROW; |
|
|
2662 | } |
|
|
2663 | |
|
|
2664 | static void |
|
|
2665 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2666 | { |
|
|
2667 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2668 | |
|
|
2669 | if (SvIVX (AvARRAY (av)[0])) |
|
|
2670 | { |
|
|
2671 | SvIVX (AvARRAY (av)[0]) = 0; |
|
|
2672 | frame->prepare = prepare_nop; |
|
|
2673 | frame->check = slf_check_nop; |
|
|
2674 | } |
|
|
2675 | else |
|
|
2676 | { |
|
|
2677 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
|
|
2678 | |
|
|
2679 | av_push (av, waiter); |
|
|
2680 | |
|
|
2681 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
|
|
2682 | frame->prepare = prepare_schedule; |
|
|
2683 | frame->check = slf_check_signal_wait; |
|
|
2684 | } |
|
|
2685 | } |
|
|
2686 | |
|
|
2687 | /*****************************************************************************/ |
|
|
2688 | /* Coro::AIO */ |
|
|
2689 | |
|
|
2690 | #define CORO_MAGIC_type_aio PERL_MAGIC_ext |
|
|
2691 | |
|
|
2692 | /* helper storage struct */ |
|
|
2693 | struct io_state |
|
|
2694 | { |
|
|
2695 | int errorno; |
|
|
2696 | I32 laststype; /* U16 in 5.10.0 */ |
|
|
2697 | int laststatval; |
|
|
2698 | Stat_t statcache; |
|
|
2699 | }; |
|
|
2700 | |
|
|
2701 | static void |
|
|
2702 | coro_aio_callback (pTHX_ CV *cv) |
|
|
2703 | { |
|
|
2704 | dXSARGS; |
|
|
2705 | AV *state = (AV *)GENSUB_ARG; |
|
|
2706 | SV *coro = av_pop (state); |
|
|
2707 | SV *data_sv = newSV (sizeof (struct io_state)); |
|
|
2708 | |
|
|
2709 | av_extend (state, items - 1); |
|
|
2710 | |
|
|
2711 | sv_upgrade (data_sv, SVt_PV); |
|
|
2712 | SvCUR_set (data_sv, sizeof (struct io_state)); |
|
|
2713 | SvPOK_only (data_sv); |
|
|
2714 | |
|
|
2715 | { |
|
|
2716 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
|
|
2717 | |
|
|
2718 | data->errorno = errno; |
|
|
2719 | data->laststype = PL_laststype; |
|
|
2720 | data->laststatval = PL_laststatval; |
|
|
2721 | data->statcache = PL_statcache; |
|
|
2722 | } |
|
|
2723 | |
|
|
2724 | /* now build the result vector out of all the parameters and the data_sv */ |
|
|
2725 | { |
|
|
2726 | int i; |
|
|
2727 | |
|
|
2728 | for (i = 0; i < items; ++i) |
|
|
2729 | av_push (state, SvREFCNT_inc_NN (ST (i))); |
|
|
2730 | } |
|
|
2731 | |
|
|
2732 | av_push (state, data_sv); |
|
|
2733 | |
|
|
2734 | api_ready (aTHX_ coro); |
|
|
2735 | SvREFCNT_dec (coro); |
|
|
2736 | SvREFCNT_dec ((AV *)state); |
|
|
2737 | } |
|
|
2738 | |
|
|
2739 | static int |
|
|
2740 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
|
|
2741 | { |
|
|
2742 | AV *state = (AV *)frame->data; |
|
|
2743 | |
|
|
2744 | /* if we are about to throw, return early */ |
|
|
2745 | /* this does not cancel the aio request, but at least */ |
|
|
2746 | /* it quickly returns */ |
|
|
2747 | if (CORO_THROW) |
|
|
2748 | return 0; |
|
|
2749 | |
|
|
2750 | /* one element that is an RV? repeat! */ |
|
|
2751 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
|
|
2752 | return 1; |
|
|
2753 | |
|
|
2754 | /* restore status */ |
|
|
2755 | { |
|
|
2756 | SV *data_sv = av_pop (state); |
|
|
2757 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
|
|
2758 | |
|
|
2759 | errno = data->errorno; |
|
|
2760 | PL_laststype = data->laststype; |
|
|
2761 | PL_laststatval = data->laststatval; |
|
|
2762 | PL_statcache = data->statcache; |
|
|
2763 | |
|
|
2764 | SvREFCNT_dec (data_sv); |
|
|
2765 | } |
|
|
2766 | |
|
|
2767 | /* push result values */ |
1958 | { |
2768 | { |
1959 | dSP; |
2769 | dSP; |
1960 | SV **bot = PL_stack_base + checkmark; |
2770 | int i; |
1961 | int gimme = GIMME_V; |
|
|
1962 | |
2771 | |
1963 | slf_frame.prepare = 0; /* signal pp_slf that we need a new frame */ |
2772 | EXTEND (SP, AvFILLp (state) + 1); |
1964 | |
2773 | for (i = 0; i <= AvFILLp (state); ++i) |
1965 | /* make sure we put something on the stack in scalar context */ |
2774 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (state)[i]))); |
1966 | if (gimme == G_SCALAR) |
|
|
1967 | { |
|
|
1968 | if (sp == bot) |
|
|
1969 | XPUSHs (&PL_sv_undef); |
|
|
1970 | |
|
|
1971 | SP = bot + 1; |
|
|
1972 | } |
|
|
1973 | |
2775 | |
1974 | PUTBACK; |
2776 | PUTBACK; |
1975 | } |
2777 | } |
1976 | |
2778 | |
1977 | return NORMAL; |
2779 | return 0; |
1978 | } |
2780 | } |
1979 | |
2781 | |
1980 | static void |
2782 | static void |
1981 | api_execute_slf (pTHX_ CV *cv, const struct CoroSLF *slf, SV **arg, int items) |
2783 | slf_init_aio_req (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1982 | { |
2784 | { |
1983 | assert (("FATAL: SLF call recursion in Coro module (please report)", PL_op->op_ppaddr != pp_slf)); |
2785 | AV *state = (AV *)sv_2mortal ((SV *)newAV ()); |
1984 | assert (("FATAL: SLF call with illegal CV value", !CvANON (cv))); |
2786 | SV *coro_hv = SvRV (coro_current); |
|
|
2787 | struct coro *coro = SvSTATE_hv (coro_hv); |
1985 | |
2788 | |
1986 | if (items > 2) |
2789 | /* put our coroutine id on the state arg */ |
1987 | croak ("Coro only supports a max of two arguments to SLF functions."); |
2790 | av_push (state, SvREFCNT_inc_NN (coro_hv)); |
1988 | |
2791 | |
1989 | CvFLAGS (cv) |= CVf_SLF; |
2792 | /* first see whether we have a non-zero priority and set it as AIO prio */ |
1990 | CvXSUBANY (cv).any_ptr = (void *)slf; |
2793 | if (coro->prio) |
1991 | slf_cv = cv; |
2794 | { |
|
|
2795 | dSP; |
1992 | |
2796 | |
1993 | /* we patch the op, and then re-run the whole call */ |
2797 | static SV *prio_cv; |
1994 | /* we have to put the same argument on the stack for this to work */ |
2798 | static SV *prio_sv; |
1995 | /* and this will be done by pp_restore */ |
|
|
1996 | slf_restore.op_next = (OP *)&slf_restore; |
|
|
1997 | slf_restore.op_type = OP_NULL; |
|
|
1998 | slf_restore.op_ppaddr = pp_restore; |
|
|
1999 | slf_restore.op_first = PL_op; |
|
|
2000 | |
2799 | |
2001 | slf_arg0 = items > 0 ? SvREFCNT_inc (arg [0]) : 0; |
2800 | if (expect_false (!prio_cv)) |
2002 | slf_arg1 = items > 1 ? SvREFCNT_inc (arg [1]) : 0; |
2801 | { |
|
|
2802 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
|
|
2803 | prio_sv = newSViv (0); |
|
|
2804 | } |
2003 | |
2805 | |
2004 | PL_op->op_ppaddr = pp_slf; |
2806 | PUSHMARK (SP); |
|
|
2807 | sv_setiv (prio_sv, coro->prio); |
|
|
2808 | XPUSHs (prio_sv); |
2005 | |
2809 | |
2006 | PL_op = (OP *)&slf_restore; |
2810 | PUTBACK; |
|
|
2811 | call_sv (prio_cv, G_VOID | G_DISCARD); |
|
|
2812 | } |
|
|
2813 | |
|
|
2814 | /* now call the original request */ |
|
|
2815 | { |
|
|
2816 | dSP; |
|
|
2817 | CV *req = (CV *)CORO_MAGIC_NN ((SV *)cv, CORO_MAGIC_type_aio)->mg_obj; |
|
|
2818 | int i; |
|
|
2819 | |
|
|
2820 | PUSHMARK (SP); |
|
|
2821 | |
|
|
2822 | /* first push all args to the stack */ |
|
|
2823 | EXTEND (SP, items + 1); |
|
|
2824 | |
|
|
2825 | for (i = 0; i < items; ++i) |
|
|
2826 | PUSHs (arg [i]); |
|
|
2827 | |
|
|
2828 | /* now push the callback closure */ |
|
|
2829 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
|
|
2830 | |
|
|
2831 | /* now call the AIO function - we assume our request is uncancelable */ |
|
|
2832 | PUTBACK; |
|
|
2833 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
|
|
2834 | } |
|
|
2835 | |
|
|
2836 | /* now that the requets is going, we loop toll we have a result */ |
|
|
2837 | frame->data = (void *)state; |
|
|
2838 | frame->prepare = prepare_schedule; |
|
|
2839 | frame->check = slf_check_aio_req; |
2007 | } |
2840 | } |
|
|
2841 | |
|
|
2842 | static void |
|
|
2843 | coro_aio_req_xs (pTHX_ CV *cv) |
|
|
2844 | { |
|
|
2845 | dXSARGS; |
|
|
2846 | |
|
|
2847 | CORO_EXECUTE_SLF_XS (slf_init_aio_req); |
|
|
2848 | |
|
|
2849 | XSRETURN_EMPTY; |
|
|
2850 | } |
|
|
2851 | |
|
|
2852 | /*****************************************************************************/ |
|
|
2853 | |
|
|
2854 | #if CORO_CLONE |
|
|
2855 | # include "clone.c" |
|
|
2856 | #endif |
2008 | |
2857 | |
2009 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2858 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2010 | |
2859 | |
2011 | PROTOTYPES: DISABLE |
2860 | PROTOTYPES: DISABLE |
2012 | |
2861 | |
2013 | BOOT: |
2862 | BOOT: |
2014 | { |
2863 | { |
2015 | #ifdef USE_ITHREADS |
2864 | #ifdef USE_ITHREADS |
2016 | MUTEX_INIT (&coro_lock); |
|
|
2017 | # if CORO_PTHREAD |
2865 | # if CORO_PTHREAD |
2018 | coro_thx = PERL_GET_CONTEXT; |
2866 | coro_thx = PERL_GET_CONTEXT; |
2019 | # endif |
2867 | # endif |
2020 | #endif |
2868 | #endif |
2021 | BOOT_PAGESIZE; |
2869 | BOOT_PAGESIZE; |
|
|
2870 | |
|
|
2871 | cctx_current = cctx_new_empty (); |
2022 | |
2872 | |
2023 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2873 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2024 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2874 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2025 | |
2875 | |
2026 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2876 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
… | |
… | |
2042 | main_top_env = PL_top_env; |
2892 | main_top_env = PL_top_env; |
2043 | |
2893 | |
2044 | while (main_top_env->je_prev) |
2894 | while (main_top_env->je_prev) |
2045 | main_top_env = main_top_env->je_prev; |
2895 | main_top_env = main_top_env->je_prev; |
2046 | |
2896 | |
|
|
2897 | { |
|
|
2898 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
|
|
2899 | |
|
|
2900 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
|
|
2901 | hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0); |
|
|
2902 | |
|
|
2903 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
|
|
2904 | hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0); |
|
|
2905 | } |
|
|
2906 | |
2047 | coroapi.ver = CORO_API_VERSION; |
2907 | coroapi.ver = CORO_API_VERSION; |
2048 | coroapi.rev = CORO_API_REVISION; |
2908 | coroapi.rev = CORO_API_REVISION; |
|
|
2909 | |
2049 | coroapi.transfer = api_transfer; |
2910 | coroapi.transfer = api_transfer; |
|
|
2911 | |
|
|
2912 | coroapi.sv_state = SvSTATE_; |
2050 | coroapi.execute_slf = api_execute_slf; |
2913 | coroapi.execute_slf = api_execute_slf; |
2051 | coroapi.sv_state = SvSTATE_; |
2914 | coroapi.prepare_nop = prepare_nop; |
|
|
2915 | coroapi.prepare_schedule = prepare_schedule; |
|
|
2916 | coroapi.prepare_cede = prepare_cede; |
|
|
2917 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2052 | |
2918 | |
2053 | { |
2919 | { |
2054 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
2920 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
2055 | |
2921 | |
2056 | if (!svp) croak ("Time::HiRes is required"); |
2922 | if (!svp) croak ("Time::HiRes is required"); |
… | |
… | |
2062 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2928 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2063 | } |
2929 | } |
2064 | |
2930 | |
2065 | SV * |
2931 | SV * |
2066 | new (char *klass, ...) |
2932 | new (char *klass, ...) |
|
|
2933 | ALIAS: |
|
|
2934 | Coro::new = 1 |
2067 | CODE: |
2935 | CODE: |
2068 | { |
2936 | { |
2069 | struct coro *coro; |
2937 | struct coro *coro; |
2070 | MAGIC *mg; |
2938 | MAGIC *mg; |
2071 | HV *hv; |
2939 | HV *hv; |
|
|
2940 | CV *cb; |
2072 | int i; |
2941 | int i; |
|
|
2942 | |
|
|
2943 | if (items > 1) |
|
|
2944 | { |
|
|
2945 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2946 | |
|
|
2947 | if (!ix) |
|
|
2948 | { |
|
|
2949 | if (CvISXSUB (cb)) |
|
|
2950 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2951 | |
|
|
2952 | if (!CvROOT (cb)) |
|
|
2953 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2954 | } |
|
|
2955 | } |
2073 | |
2956 | |
2074 | Newz (0, coro, 1, struct coro); |
2957 | Newz (0, coro, 1, struct coro); |
2075 | coro->args = newAV (); |
2958 | coro->args = newAV (); |
2076 | coro->flags = CF_NEW; |
2959 | coro->flags = CF_NEW; |
2077 | |
2960 | |
… | |
… | |
2082 | coro->hv = hv = newHV (); |
2965 | coro->hv = hv = newHV (); |
2083 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
2966 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
2084 | mg->mg_flags |= MGf_DUP; |
2967 | mg->mg_flags |= MGf_DUP; |
2085 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
2968 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
2086 | |
2969 | |
|
|
2970 | if (items > 1) |
|
|
2971 | { |
2087 | av_extend (coro->args, items - 1); |
2972 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2973 | |
|
|
2974 | if (ix) |
|
|
2975 | { |
|
|
2976 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2977 | cb = cv_coro_run; |
|
|
2978 | } |
|
|
2979 | |
|
|
2980 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2981 | |
2088 | for (i = 1; i < items; i++) |
2982 | for (i = 2; i < items; i++) |
2089 | av_push (coro->args, newSVsv (ST (i))); |
2983 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2984 | } |
2090 | } |
2985 | } |
2091 | OUTPUT: |
2986 | OUTPUT: |
2092 | RETVAL |
2987 | RETVAL |
2093 | |
2988 | |
2094 | void |
2989 | void |
2095 | _set_stacklevel (...) |
2990 | transfer (...) |
|
|
2991 | PROTOTYPE: $$ |
2096 | CODE: |
2992 | CODE: |
2097 | { |
2993 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
2098 | static struct CoroSLF slf = { slf_init_set_stacklevel, slf_prepare_set_stacklevel, slf_check_nop }; |
|
|
2099 | api_execute_slf (aTHX_ cv, &slf, &ST (0), items); |
|
|
2100 | } |
|
|
2101 | |
|
|
2102 | void |
|
|
2103 | transfer (...) |
|
|
2104 | CODE: |
|
|
2105 | { |
|
|
2106 | static struct CoroSLF slf = { slf_init_transfer, slf_prepare_transfer, slf_check_nop }; |
|
|
2107 | api_execute_slf (aTHX_ cv, &slf, &ST (0), items); |
|
|
2108 | } |
|
|
2109 | |
2994 | |
2110 | bool |
2995 | bool |
2111 | _destroy (SV *coro_sv) |
2996 | _destroy (SV *coro_sv) |
2112 | CODE: |
2997 | CODE: |
2113 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
2998 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
… | |
… | |
2118 | _exit (int code) |
3003 | _exit (int code) |
2119 | PROTOTYPE: $ |
3004 | PROTOTYPE: $ |
2120 | CODE: |
3005 | CODE: |
2121 | _exit (code); |
3006 | _exit (code); |
2122 | |
3007 | |
|
|
3008 | SV * |
|
|
3009 | clone (Coro::State coro) |
|
|
3010 | CODE: |
|
|
3011 | { |
|
|
3012 | #if CORO_CLONE |
|
|
3013 | struct coro *ncoro = coro_clone (aTHX_ coro); |
|
|
3014 | MAGIC *mg; |
|
|
3015 | /* TODO: too much duplication */ |
|
|
3016 | ncoro->hv = newHV (); |
|
|
3017 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
|
|
3018 | mg->mg_flags |= MGf_DUP; |
|
|
3019 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
|
|
3020 | #else |
|
|
3021 | croak ("Coro::State->clone has not been configured into this installation of Coro, realised"); |
|
|
3022 | #endif |
|
|
3023 | } |
|
|
3024 | OUTPUT: |
|
|
3025 | RETVAL |
|
|
3026 | |
2123 | int |
3027 | int |
2124 | cctx_stacksize (int new_stacksize = 0) |
3028 | cctx_stacksize (int new_stacksize = 0) |
|
|
3029 | PROTOTYPE: ;$ |
2125 | CODE: |
3030 | CODE: |
2126 | RETVAL = cctx_stacksize; |
3031 | RETVAL = cctx_stacksize; |
2127 | if (new_stacksize) |
3032 | if (new_stacksize) |
2128 | { |
3033 | { |
2129 | cctx_stacksize = new_stacksize; |
3034 | cctx_stacksize = new_stacksize; |
… | |
… | |
2132 | OUTPUT: |
3037 | OUTPUT: |
2133 | RETVAL |
3038 | RETVAL |
2134 | |
3039 | |
2135 | int |
3040 | int |
2136 | cctx_max_idle (int max_idle = 0) |
3041 | cctx_max_idle (int max_idle = 0) |
|
|
3042 | PROTOTYPE: ;$ |
2137 | CODE: |
3043 | CODE: |
2138 | RETVAL = cctx_max_idle; |
3044 | RETVAL = cctx_max_idle; |
2139 | if (max_idle > 1) |
3045 | if (max_idle > 1) |
2140 | cctx_max_idle = max_idle; |
3046 | cctx_max_idle = max_idle; |
2141 | OUTPUT: |
3047 | OUTPUT: |
2142 | RETVAL |
3048 | RETVAL |
2143 | |
3049 | |
2144 | int |
3050 | int |
2145 | cctx_count () |
3051 | cctx_count () |
|
|
3052 | PROTOTYPE: |
2146 | CODE: |
3053 | CODE: |
2147 | RETVAL = cctx_count; |
3054 | RETVAL = cctx_count; |
2148 | OUTPUT: |
3055 | OUTPUT: |
2149 | RETVAL |
3056 | RETVAL |
2150 | |
3057 | |
2151 | int |
3058 | int |
2152 | cctx_idle () |
3059 | cctx_idle () |
|
|
3060 | PROTOTYPE: |
2153 | CODE: |
3061 | CODE: |
2154 | RETVAL = cctx_idle; |
3062 | RETVAL = cctx_idle; |
2155 | OUTPUT: |
3063 | OUTPUT: |
2156 | RETVAL |
3064 | RETVAL |
2157 | |
3065 | |
2158 | void |
3066 | void |
2159 | list () |
3067 | list () |
|
|
3068 | PROTOTYPE: |
2160 | PPCODE: |
3069 | PPCODE: |
2161 | { |
3070 | { |
2162 | struct coro *coro; |
3071 | struct coro *coro; |
2163 | for (coro = coro_first; coro; coro = coro->next) |
3072 | for (coro = coro_first; coro; coro = coro->next) |
2164 | if (coro->hv) |
3073 | if (coro->hv) |
… | |
… | |
2171 | eval = 1 |
3080 | eval = 1 |
2172 | CODE: |
3081 | CODE: |
2173 | { |
3082 | { |
2174 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3083 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2175 | { |
3084 | { |
2176 | struct coro temp; |
3085 | struct coro *current = SvSTATE_current; |
2177 | |
3086 | |
2178 | if (!(coro->flags & CF_RUNNING)) |
3087 | if (current != coro) |
2179 | { |
3088 | { |
2180 | PUTBACK; |
3089 | PUTBACK; |
2181 | save_perl (aTHX_ &temp); |
3090 | save_perl (aTHX_ current); |
2182 | load_perl (aTHX_ coro); |
3091 | load_perl (aTHX_ coro); |
|
|
3092 | SPAGAIN; |
2183 | } |
3093 | } |
2184 | |
3094 | |
2185 | { |
|
|
2186 | dSP; |
|
|
2187 | ENTER; |
|
|
2188 | SAVETMPS; |
|
|
2189 | PUTBACK; |
|
|
2190 | PUSHSTACK; |
3095 | PUSHSTACK; |
|
|
3096 | |
2191 | PUSHMARK (SP); |
3097 | PUSHMARK (SP); |
|
|
3098 | PUTBACK; |
2192 | |
3099 | |
2193 | if (ix) |
3100 | if (ix) |
2194 | eval_sv (coderef, 0); |
3101 | eval_sv (coderef, 0); |
2195 | else |
3102 | else |
2196 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3103 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2197 | |
3104 | |
|
|
3105 | SPAGAIN; |
2198 | POPSTACK; |
3106 | POPSTACK; |
2199 | SPAGAIN; |
|
|
2200 | FREETMPS; |
|
|
2201 | LEAVE; |
|
|
2202 | PUTBACK; |
|
|
2203 | } |
|
|
2204 | |
3107 | |
2205 | if (!(coro->flags & CF_RUNNING)) |
3108 | if (current != coro) |
2206 | { |
3109 | { |
|
|
3110 | PUTBACK; |
2207 | save_perl (aTHX_ coro); |
3111 | save_perl (aTHX_ coro); |
2208 | load_perl (aTHX_ &temp); |
3112 | load_perl (aTHX_ current); |
2209 | SPAGAIN; |
3113 | SPAGAIN; |
2210 | } |
3114 | } |
2211 | } |
3115 | } |
2212 | } |
3116 | } |
2213 | |
3117 | |
… | |
… | |
2226 | |
3130 | |
2227 | void |
3131 | void |
2228 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3132 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
2229 | PROTOTYPE: $;$ |
3133 | PROTOTYPE: $;$ |
2230 | CODE: |
3134 | CODE: |
|
|
3135 | { |
|
|
3136 | struct coro *current = SvSTATE_current; |
|
|
3137 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
2231 | SvREFCNT_dec (self->throw); |
3138 | SvREFCNT_dec (*throwp); |
2232 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
3139 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
3140 | } |
2233 | |
3141 | |
2234 | void |
3142 | void |
2235 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3143 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
|
|
3144 | PROTOTYPE: $;$ |
2236 | C_ARGS: aTHX_ coro, flags |
3145 | C_ARGS: aTHX_ coro, flags |
2237 | |
3146 | |
2238 | SV * |
3147 | SV * |
2239 | has_cctx (Coro::State coro) |
3148 | has_cctx (Coro::State coro) |
2240 | PROTOTYPE: $ |
3149 | PROTOTYPE: $ |
2241 | CODE: |
3150 | CODE: |
2242 | RETVAL = boolSV (!!coro->cctx); |
3151 | /* maybe manage the running flag differently */ |
|
|
3152 | RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING)); |
2243 | OUTPUT: |
3153 | OUTPUT: |
2244 | RETVAL |
3154 | RETVAL |
2245 | |
3155 | |
2246 | int |
3156 | int |
2247 | is_traced (Coro::State coro) |
3157 | is_traced (Coro::State coro) |
… | |
… | |
2265 | OUTPUT: |
3175 | OUTPUT: |
2266 | RETVAL |
3176 | RETVAL |
2267 | |
3177 | |
2268 | void |
3178 | void |
2269 | force_cctx () |
3179 | force_cctx () |
|
|
3180 | PROTOTYPE: |
2270 | CODE: |
3181 | CODE: |
2271 | struct coro *coro = SvSTATE (coro_current); |
|
|
2272 | coro->cctx->idle_sp = 0; |
3182 | cctx_current->idle_sp = 0; |
2273 | |
3183 | |
2274 | void |
3184 | void |
2275 | swap_defsv (Coro::State self) |
3185 | swap_defsv (Coro::State self) |
2276 | PROTOTYPE: $ |
3186 | PROTOTYPE: $ |
2277 | ALIAS: |
3187 | ALIAS: |
2278 | swap_defav = 1 |
3188 | swap_defav = 1 |
2279 | CODE: |
3189 | CODE: |
2280 | if (!self->slot) |
3190 | if (!self->slot) |
2281 | croak ("cannot swap state with coroutine that has no saved state"); |
3191 | croak ("cannot swap state with coroutine that has no saved state,"); |
2282 | else |
3192 | else |
2283 | { |
3193 | { |
2284 | SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv); |
3194 | SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv); |
2285 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3195 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
2286 | |
3196 | |
2287 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3197 | SV *tmp = *src; *src = *dst; *dst = tmp; |
2288 | } |
3198 | } |
2289 | |
3199 | |
|
|
3200 | |
2290 | MODULE = Coro::State PACKAGE = Coro |
3201 | MODULE = Coro::State PACKAGE = Coro |
2291 | |
3202 | |
2292 | BOOT: |
3203 | BOOT: |
2293 | { |
3204 | { |
2294 | int i; |
3205 | int i; |
2295 | |
3206 | |
2296 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2297 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3207 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
2298 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3208 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
2299 | |
3209 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
|
|
3210 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
2300 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
3211 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
2301 | SvREADONLY_on (coro_current); |
3212 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
3213 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
|
|
3214 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3215 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
|
|
3216 | |
|
|
3217 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
|
|
3218 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
|
|
3219 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
|
|
3220 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
2302 | |
3221 | |
2303 | coro_stash = gv_stashpv ("Coro", TRUE); |
3222 | coro_stash = gv_stashpv ("Coro", TRUE); |
2304 | |
3223 | |
2305 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3224 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
2306 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3225 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
… | |
… | |
2314 | |
3233 | |
2315 | { |
3234 | { |
2316 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3235 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
2317 | |
3236 | |
2318 | coroapi.schedule = api_schedule; |
3237 | coroapi.schedule = api_schedule; |
|
|
3238 | coroapi.schedule_to = api_schedule_to; |
2319 | coroapi.cede = api_cede; |
3239 | coroapi.cede = api_cede; |
2320 | coroapi.cede_notself = api_cede_notself; |
3240 | coroapi.cede_notself = api_cede_notself; |
2321 | coroapi.ready = api_ready; |
3241 | coroapi.ready = api_ready; |
2322 | coroapi.is_ready = api_is_ready; |
3242 | coroapi.is_ready = api_is_ready; |
2323 | coroapi.nready = coro_nready; |
3243 | coroapi.nready = coro_nready; |
2324 | coroapi.current = coro_current; |
3244 | coroapi.current = coro_current; |
2325 | |
3245 | |
2326 | GCoroAPI = &coroapi; |
3246 | /*GCoroAPI = &coroapi;*/ |
2327 | sv_setiv (sv, (IV)&coroapi); |
3247 | sv_setiv (sv, (IV)&coroapi); |
2328 | SvREADONLY_on (sv); |
3248 | SvREADONLY_on (sv); |
2329 | } |
3249 | } |
2330 | } |
3250 | } |
2331 | |
3251 | |
2332 | void |
3252 | void |
|
|
3253 | terminate (...) |
|
|
3254 | CODE: |
|
|
3255 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3256 | |
|
|
3257 | void |
2333 | schedule (...) |
3258 | schedule (...) |
2334 | CODE: |
3259 | CODE: |
2335 | { |
3260 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
2336 | static struct CoroSLF slf = { slf_init_nop, prepare_schedule, slf_check_nop }; |
3261 | |
2337 | api_execute_slf (aTHX_ cv, &slf, &ST (0), items); |
3262 | void |
2338 | } |
3263 | schedule_to (...) |
|
|
3264 | CODE: |
|
|
3265 | CORO_EXECUTE_SLF_XS (slf_init_schedule_to); |
|
|
3266 | |
|
|
3267 | void |
|
|
3268 | cede_to (...) |
|
|
3269 | CODE: |
|
|
3270 | CORO_EXECUTE_SLF_XS (slf_init_cede_to); |
2339 | |
3271 | |
2340 | void |
3272 | void |
2341 | cede (...) |
3273 | cede (...) |
2342 | CODE: |
3274 | CODE: |
2343 | { |
3275 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
2344 | static struct CoroSLF slf = { slf_init_nop, prepare_cede, slf_check_nop }; |
|
|
2345 | api_execute_slf (aTHX_ cv, &slf, &ST (0), items); |
|
|
2346 | } |
|
|
2347 | |
3276 | |
2348 | void |
3277 | void |
2349 | cede_notself (...) |
3278 | cede_notself (...) |
2350 | CODE: |
3279 | CODE: |
2351 | { |
3280 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
2352 | static struct CoroSLF slf = { slf_init_nop, prepare_cede_notself, slf_check_nop }; |
3281 | |
2353 | api_execute_slf (aTHX_ cv, &slf, &ST (0), items); |
3282 | void |
2354 | } |
3283 | _cancel (Coro::State self) |
|
|
3284 | CODE: |
|
|
3285 | coro_state_destroy (aTHX_ self); |
|
|
3286 | coro_call_on_destroy (aTHX_ self); |
2355 | |
3287 | |
2356 | void |
3288 | void |
2357 | _set_current (SV *current) |
3289 | _set_current (SV *current) |
2358 | PROTOTYPE: $ |
3290 | PROTOTYPE: $ |
2359 | CODE: |
3291 | CODE: |
… | |
… | |
2362 | |
3294 | |
2363 | void |
3295 | void |
2364 | _set_readyhook (SV *hook) |
3296 | _set_readyhook (SV *hook) |
2365 | PROTOTYPE: $ |
3297 | PROTOTYPE: $ |
2366 | CODE: |
3298 | CODE: |
2367 | LOCK; |
|
|
2368 | SvREFCNT_dec (coro_readyhook); |
3299 | SvREFCNT_dec (coro_readyhook); |
2369 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3300 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
2370 | UNLOCK; |
|
|
2371 | |
3301 | |
2372 | int |
3302 | int |
2373 | prio (Coro::State coro, int newprio = 0) |
3303 | prio (Coro::State coro, int newprio = 0) |
|
|
3304 | PROTOTYPE: $;$ |
2374 | ALIAS: |
3305 | ALIAS: |
2375 | nice = 1 |
3306 | nice = 1 |
2376 | CODE: |
3307 | CODE: |
2377 | { |
3308 | { |
2378 | RETVAL = coro->prio; |
3309 | RETVAL = coro->prio; |
… | |
… | |
2405 | CODE: |
3336 | CODE: |
2406 | RETVAL = coro_nready; |
3337 | RETVAL = coro_nready; |
2407 | OUTPUT: |
3338 | OUTPUT: |
2408 | RETVAL |
3339 | RETVAL |
2409 | |
3340 | |
2410 | # for async_pool speedup |
|
|
2411 | void |
3341 | void |
2412 | _pool_1 (SV *cb) |
3342 | _pool_handler (...) |
2413 | CODE: |
3343 | CODE: |
2414 | { |
3344 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
2415 | struct coro *coro = SvSTATE (coro_current); |
|
|
2416 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2417 | AV *defav = GvAV (PL_defgv); |
|
|
2418 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
2419 | AV *invoke_av; |
|
|
2420 | int i, len; |
|
|
2421 | |
3345 | |
2422 | if (!invoke) |
3346 | void |
|
|
3347 | async_pool (SV *cv, ...) |
|
|
3348 | PROTOTYPE: &@ |
|
|
3349 | PPCODE: |
|
|
3350 | { |
|
|
3351 | HV *hv = (HV *)av_pop (av_async_pool); |
|
|
3352 | AV *av = newAV (); |
|
|
3353 | SV *cb = ST (0); |
|
|
3354 | int i; |
|
|
3355 | |
|
|
3356 | av_extend (av, items - 2); |
|
|
3357 | for (i = 1; i < items; ++i) |
|
|
3358 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
|
|
3359 | |
|
|
3360 | if ((SV *)hv == &PL_sv_undef) |
2423 | { |
3361 | { |
2424 | SV *old = PL_diehook; |
3362 | PUSHMARK (SP); |
2425 | PL_diehook = 0; |
3363 | EXTEND (SP, 2); |
2426 | SvREFCNT_dec (old); |
3364 | PUSHs (sv_Coro); |
2427 | croak ("\3async_pool terminate\2\n"); |
3365 | PUSHs ((SV *)cv_pool_handler); |
|
|
3366 | PUTBACK; |
|
|
3367 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3368 | SPAGAIN; |
|
|
3369 | |
|
|
3370 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
2428 | } |
3371 | } |
2429 | |
3372 | |
2430 | SvREFCNT_dec (coro->saved_deffh); |
|
|
2431 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
2432 | |
|
|
2433 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2434 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
2435 | |
|
|
2436 | invoke_av = (AV *)SvRV (invoke); |
|
|
2437 | len = av_len (invoke_av); |
|
|
2438 | |
|
|
2439 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
2440 | |
|
|
2441 | if (len > 0) |
|
|
2442 | { |
3373 | { |
2443 | av_fill (defav, len - 1); |
3374 | struct coro *coro = SvSTATE_hv (hv); |
2444 | for (i = 0; i < len; ++i) |
3375 | |
2445 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
3376 | assert (!coro->invoke_cb); |
|
|
3377 | assert (!coro->invoke_av); |
|
|
3378 | coro->invoke_cb = SvREFCNT_inc (cb); |
|
|
3379 | coro->invoke_av = av; |
2446 | } |
3380 | } |
2447 | |
3381 | |
|
|
3382 | api_ready (aTHX_ (SV *)hv); |
|
|
3383 | |
|
|
3384 | if (GIMME_V != G_VOID) |
|
|
3385 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
|
|
3386 | else |
2448 | SvREFCNT_dec (invoke); |
3387 | SvREFCNT_dec (hv); |
2449 | } |
3388 | } |
2450 | |
3389 | |
2451 | void |
3390 | SV * |
2452 | _pool_2 (SV *cb) |
3391 | rouse_cb () |
|
|
3392 | PROTOTYPE: |
2453 | CODE: |
3393 | CODE: |
2454 | { |
3394 | RETVAL = coro_new_rouse_cb (aTHX); |
2455 | struct coro *coro = SvSTATE (coro_current); |
|
|
2456 | |
|
|
2457 | sv_setsv (cb, &PL_sv_undef); |
|
|
2458 | |
|
|
2459 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
2460 | coro->saved_deffh = 0; |
|
|
2461 | |
|
|
2462 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
2463 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2464 | { |
|
|
2465 | SV *old = PL_diehook; |
|
|
2466 | PL_diehook = 0; |
|
|
2467 | SvREFCNT_dec (old); |
|
|
2468 | croak ("\3async_pool terminate\2\n"); |
|
|
2469 | } |
|
|
2470 | |
|
|
2471 | av_clear (GvAV (PL_defgv)); |
|
|
2472 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
|
|
2473 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
2474 | |
|
|
2475 | coro->prio = 0; |
|
|
2476 | |
|
|
2477 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
2478 | api_trace (aTHX_ coro_current, 0); |
|
|
2479 | |
|
|
2480 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
2481 | } |
|
|
2482 | |
|
|
2483 | #if 0 |
|
|
2484 | |
|
|
2485 | void |
|
|
2486 | _generator_call (...) |
|
|
2487 | PROTOTYPE: @ |
|
|
2488 | PPCODE: |
|
|
2489 | fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr); |
|
|
2490 | xxxx |
|
|
2491 | abort (); |
|
|
2492 | |
|
|
2493 | SV * |
|
|
2494 | gensub (SV *sub, ...) |
|
|
2495 | PROTOTYPE: &;@ |
|
|
2496 | CODE: |
|
|
2497 | { |
|
|
2498 | struct coro *coro; |
|
|
2499 | MAGIC *mg; |
|
|
2500 | CV *xcv; |
|
|
2501 | CV *ncv = (CV *)newSV_type (SVt_PVCV); |
|
|
2502 | int i; |
|
|
2503 | |
|
|
2504 | CvGV (ncv) = CvGV (cv); |
|
|
2505 | CvFILE (ncv) = CvFILE (cv); |
|
|
2506 | |
|
|
2507 | Newz (0, coro, 1, struct coro); |
|
|
2508 | coro->args = newAV (); |
|
|
2509 | coro->flags = CF_NEW; |
|
|
2510 | |
|
|
2511 | av_extend (coro->args, items - 1); |
|
|
2512 | for (i = 1; i < items; i++) |
|
|
2513 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2514 | |
|
|
2515 | CvISXSUB_on (ncv); |
|
|
2516 | CvXSUBANY (ncv).any_ptr = (void *)coro; |
|
|
2517 | |
|
|
2518 | xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV)); |
|
|
2519 | |
|
|
2520 | CvXSUB (ncv) = CvXSUB (xcv); |
|
|
2521 | CvANON_on (ncv); |
|
|
2522 | |
|
|
2523 | mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0); |
|
|
2524 | RETVAL = newRV_noinc ((SV *)ncv); |
|
|
2525 | } |
|
|
2526 | OUTPUT: |
3395 | OUTPUT: |
2527 | RETVAL |
3396 | RETVAL |
2528 | |
3397 | |
2529 | #endif |
|
|
2530 | |
|
|
2531 | |
|
|
2532 | MODULE = Coro::State PACKAGE = Coro::AIO |
|
|
2533 | |
|
|
2534 | void |
3398 | void |
2535 | _get_state (SV *self) |
3399 | rouse_wait (...) |
|
|
3400 | PROTOTYPE: ;$ |
2536 | PPCODE: |
3401 | PPCODE: |
2537 | { |
3402 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
2538 | AV *defav = GvAV (PL_defgv); |
|
|
2539 | AV *av = newAV (); |
|
|
2540 | int i; |
|
|
2541 | SV *data_sv = newSV (sizeof (struct io_state)); |
|
|
2542 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
|
|
2543 | SvCUR_set (data_sv, sizeof (struct io_state)); |
|
|
2544 | SvPOK_only (data_sv); |
|
|
2545 | |
|
|
2546 | data->errorno = errno; |
|
|
2547 | data->laststype = PL_laststype; |
|
|
2548 | data->laststatval = PL_laststatval; |
|
|
2549 | data->statcache = PL_statcache; |
|
|
2550 | |
|
|
2551 | av_extend (av, AvFILLp (defav) + 1 + 1); |
|
|
2552 | |
|
|
2553 | for (i = 0; i <= AvFILLp (defav); ++i) |
|
|
2554 | av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i])); |
|
|
2555 | |
|
|
2556 | av_push (av, data_sv); |
|
|
2557 | |
|
|
2558 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
2559 | |
|
|
2560 | api_ready (aTHX_ self); |
|
|
2561 | } |
|
|
2562 | |
3403 | |
2563 | void |
3404 | void |
2564 | _set_state (SV *state) |
3405 | on_enter (SV *block) |
|
|
3406 | ALIAS: |
|
|
3407 | on_leave = 1 |
2565 | PROTOTYPE: $ |
3408 | PROTOTYPE: & |
2566 | PPCODE: |
3409 | CODE: |
2567 | { |
3410 | { |
|
|
3411 | struct coro *coro = SvSTATE_current; |
|
|
3412 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
3413 | |
|
|
3414 | block = (SV *)coro_sv_2cv (block); |
|
|
3415 | |
|
|
3416 | if (!*avp) |
|
|
3417 | *avp = newAV (); |
|
|
3418 | |
|
|
3419 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
3420 | |
|
|
3421 | if (!ix) |
|
|
3422 | on_enterleave_call (aTHX_ block); |
|
|
3423 | |
|
|
3424 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */ |
|
|
3425 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
3426 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */ |
|
|
3427 | } |
|
|
3428 | |
|
|
3429 | |
|
|
3430 | MODULE = Coro::State PACKAGE = PerlIO::cede |
|
|
3431 | |
|
|
3432 | BOOT: |
|
|
3433 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
|
|
3434 | |
|
|
3435 | |
|
|
3436 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
|
|
3437 | |
|
|
3438 | SV * |
|
|
3439 | new (SV *klass, SV *count = 0) |
|
|
3440 | CODE: |
|
|
3441 | RETVAL = sv_bless ( |
|
|
3442 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
|
|
3443 | GvSTASH (CvGV (cv)) |
|
|
3444 | ); |
|
|
3445 | OUTPUT: |
|
|
3446 | RETVAL |
|
|
3447 | |
|
|
3448 | # helper for Coro::Channel |
|
|
3449 | SV * |
|
|
3450 | _alloc (int count) |
|
|
3451 | CODE: |
|
|
3452 | RETVAL = coro_waitarray_new (aTHX_ count); |
|
|
3453 | OUTPUT: |
|
|
3454 | RETVAL |
|
|
3455 | |
|
|
3456 | SV * |
|
|
3457 | count (SV *self) |
|
|
3458 | CODE: |
|
|
3459 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
|
|
3460 | OUTPUT: |
|
|
3461 | RETVAL |
|
|
3462 | |
|
|
3463 | void |
|
|
3464 | up (SV *self, int adjust = 1) |
|
|
3465 | ALIAS: |
|
|
3466 | adjust = 1 |
|
|
3467 | CODE: |
|
|
3468 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
|
|
3469 | |
|
|
3470 | void |
|
|
3471 | down (...) |
|
|
3472 | CODE: |
|
|
3473 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
|
|
3474 | |
|
|
3475 | void |
|
|
3476 | wait (...) |
|
|
3477 | CODE: |
|
|
3478 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait); |
|
|
3479 | |
|
|
3480 | void |
|
|
3481 | try (SV *self) |
|
|
3482 | PPCODE: |
|
|
3483 | { |
|
|
3484 | AV *av = (AV *)SvRV (self); |
|
|
3485 | SV *count_sv = AvARRAY (av)[0]; |
|
|
3486 | IV count = SvIVX (count_sv); |
|
|
3487 | |
|
|
3488 | if (count > 0) |
|
|
3489 | { |
|
|
3490 | --count; |
|
|
3491 | SvIVX (count_sv) = count; |
|
|
3492 | XSRETURN_YES; |
|
|
3493 | } |
|
|
3494 | else |
|
|
3495 | XSRETURN_NO; |
|
|
3496 | } |
|
|
3497 | |
|
|
3498 | void |
|
|
3499 | waiters (SV *self) |
|
|
3500 | PPCODE: |
|
|
3501 | { |
|
|
3502 | AV *av = (AV *)SvRV (self); |
|
|
3503 | int wcount = AvFILLp (av) + 1 - 1; |
|
|
3504 | |
|
|
3505 | if (GIMME_V == G_SCALAR) |
|
|
3506 | XPUSHs (sv_2mortal (newSViv (wcount))); |
|
|
3507 | else |
|
|
3508 | { |
|
|
3509 | int i; |
|
|
3510 | EXTEND (SP, wcount); |
|
|
3511 | for (i = 1; i <= wcount; ++i) |
|
|
3512 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
|
|
3513 | } |
|
|
3514 | } |
|
|
3515 | |
|
|
3516 | MODULE = Coro::State PACKAGE = Coro::Signal |
|
|
3517 | |
|
|
3518 | SV * |
|
|
3519 | new (SV *klass) |
|
|
3520 | CODE: |
|
|
3521 | RETVAL = sv_bless ( |
|
|
3522 | coro_waitarray_new (aTHX_ 0), |
|
|
3523 | GvSTASH (CvGV (cv)) |
|
|
3524 | ); |
|
|
3525 | OUTPUT: |
|
|
3526 | RETVAL |
|
|
3527 | |
|
|
3528 | void |
|
|
3529 | wait (...) |
|
|
3530 | CODE: |
|
|
3531 | CORO_EXECUTE_SLF_XS (slf_init_signal_wait); |
|
|
3532 | |
|
|
3533 | void |
|
|
3534 | broadcast (SV *self) |
|
|
3535 | CODE: |
|
|
3536 | { |
2568 | AV *av = (AV *)SvRV (state); |
3537 | AV *av = (AV *)SvRV (self); |
2569 | struct io_state *data = (struct io_state *)SvPVX (AvARRAY (av)[AvFILLp (av)]); |
3538 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
2570 | int i; |
3539 | } |
2571 | |
3540 | |
2572 | errno = data->errorno; |
3541 | void |
2573 | PL_laststype = data->laststype; |
3542 | send (SV *self) |
2574 | PL_laststatval = data->laststatval; |
3543 | CODE: |
2575 | PL_statcache = data->statcache; |
3544 | { |
|
|
3545 | AV *av = (AV *)SvRV (self); |
2576 | |
3546 | |
2577 | EXTEND (SP, AvFILLp (av)); |
3547 | if (AvFILLp (av)) |
2578 | for (i = 0; i < AvFILLp (av); ++i) |
3548 | coro_signal_wake (aTHX_ av, 1); |
2579 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i]))); |
3549 | else |
|
|
3550 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
2580 | } |
3551 | } |
|
|
3552 | |
|
|
3553 | IV |
|
|
3554 | awaited (SV *self) |
|
|
3555 | CODE: |
|
|
3556 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
|
|
3557 | OUTPUT: |
|
|
3558 | RETVAL |
2581 | |
3559 | |
2582 | |
3560 | |
2583 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
3561 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
2584 | |
3562 | |
2585 | BOOT: |
3563 | BOOT: |
2586 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
3564 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
2587 | |
3565 | |
2588 | SV * |
3566 | void |
2589 | _schedule (...) |
3567 | _schedule (...) |
2590 | PROTOTYPE: @ |
|
|
2591 | CODE: |
3568 | CODE: |
2592 | { |
3569 | { |
2593 | static int incede; |
3570 | static int incede; |
2594 | |
3571 | |
2595 | api_cede_notself (aTHX); |
3572 | api_cede_notself (aTHX); |
… | |
… | |
2601 | sv_setsv (sv_activity, &PL_sv_undef); |
3578 | sv_setsv (sv_activity, &PL_sv_undef); |
2602 | if (coro_nready >= incede) |
3579 | if (coro_nready >= incede) |
2603 | { |
3580 | { |
2604 | PUSHMARK (SP); |
3581 | PUSHMARK (SP); |
2605 | PUTBACK; |
3582 | PUTBACK; |
2606 | call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL); |
3583 | call_pv ("Coro::AnyEvent::_activity", G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2607 | SPAGAIN; |
|
|
2608 | } |
3584 | } |
2609 | |
3585 | |
2610 | --incede; |
3586 | --incede; |
2611 | } |
3587 | } |
2612 | |
3588 | |
2613 | |
3589 | |
2614 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3590 | MODULE = Coro::State PACKAGE = Coro::AIO |
2615 | |
3591 | |
2616 | BOOT: |
3592 | void |
2617 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3593 | _register (char *target, char *proto, SV *req) |
|
|
3594 | CODE: |
|
|
3595 | { |
|
|
3596 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
|
|
3597 | /* newXSproto doesn't return the CV on 5.8 */ |
|
|
3598 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
|
|
3599 | sv_setpv ((SV *)slf_cv, proto); |
|
|
3600 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
|
|
3601 | } |
2618 | |
3602 | |