… | |
… | |
16 | |
16 | |
17 | #ifdef WIN32 |
17 | #ifdef WIN32 |
18 | # undef setjmp |
18 | # undef setjmp |
19 | # undef longjmp |
19 | # undef longjmp |
20 | # undef _exit |
20 | # undef _exit |
21 | # define setjmp _setjmp // deep magic, don't ask |
21 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
22 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
23 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
24 | #endif |
25 | |
25 | |
26 | #ifdef HAVE_MMAP |
26 | #ifdef HAVE_MMAP |
… | |
… | |
55 | |
55 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
57 | (PERL_REVISION > (a) \ |
57 | (PERL_REVISION > (a) \ |
58 | || (PERL_REVISION == (a) \ |
58 | || (PERL_REVISION == (a) \ |
59 | && (PERL_VERSION > (b) \ |
59 | && (PERL_VERSION > (b) \ |
60 | || (PERL_VERSION == (b) && PERLSUBVERSION >= (c))))) |
60 | || (PERL_VERSION == (b) && PERL_SUBVERSION >= (c))))) |
61 | |
61 | |
62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
63 | # ifndef PL_ppaddr |
63 | # ifndef PL_ppaddr |
64 | # define PL_ppaddr ppaddr |
64 | # define PL_ppaddr ppaddr |
65 | # endif |
65 | # endif |
… | |
… | |
98 | # define newSV(l) NEWSV(0,l) |
98 | # define newSV(l) NEWSV(0,l) |
99 | #endif |
99 | #endif |
100 | #ifndef CvISXSUB_on |
100 | #ifndef CvISXSUB_on |
101 | # define CvISXSUB_on(cv) (void)cv |
101 | # define CvISXSUB_on(cv) (void)cv |
102 | #endif |
102 | #endif |
|
|
103 | #ifndef CvISXSUB |
|
|
104 | # define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE) |
|
|
105 | #endif |
|
|
106 | #ifndef Newx |
|
|
107 | # define Newx(ptr,nitems,type) New (0,ptr,nitems,type) |
|
|
108 | #endif |
103 | |
109 | |
104 | /* 5.8.7 */ |
110 | /* 5.8.7 */ |
105 | #ifndef SvRV_set |
111 | #ifndef SvRV_set |
106 | # define SvRV_set(s,v) SvRV(s) = (v) |
112 | # define SvRV_set(s,v) SvRV(s) = (v) |
107 | #endif |
113 | #endif |
… | |
… | |
127 | #else |
133 | #else |
128 | # define dSTACKLEVEL volatile void *stacklevel |
134 | # define dSTACKLEVEL volatile void *stacklevel |
129 | # define STACKLEVEL ((void *)&stacklevel) |
135 | # define STACKLEVEL ((void *)&stacklevel) |
130 | #endif |
136 | #endif |
131 | |
137 | |
132 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
138 | #define IN_DESTRUCT PL_dirty |
133 | |
139 | |
134 | #if __GNUC__ >= 3 |
140 | #if __GNUC__ >= 3 |
135 | # define attribute(x) __attribute__(x) |
141 | # define attribute(x) __attribute__(x) |
136 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
142 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
137 | # define INLINE static inline |
143 | # define INLINE static inline |
138 | #else |
144 | #else |
139 | # define attribute(x) |
145 | # define attribute(x) |
140 | # define expect(expr,value) (expr) |
146 | # define expect(expr,value) (expr) |
141 | # define INLINE static |
147 | # define INLINE static |
… | |
… | |
153 | # if CORO_PTHREAD |
159 | # if CORO_PTHREAD |
154 | static void *coro_thx; |
160 | static void *coro_thx; |
155 | # endif |
161 | # endif |
156 | #endif |
162 | #endif |
157 | |
163 | |
|
|
164 | #ifdef __linux |
|
|
165 | # include <time.h> /* for timespec */ |
|
|
166 | # include <syscall.h> /* for SYS_* */ |
|
|
167 | # ifdef SYS_clock_gettime |
|
|
168 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
169 | # define CORO_CLOCK_MONOTONIC 1 |
|
|
170 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
|
|
171 | # endif |
|
|
172 | #endif |
|
|
173 | |
158 | static double (*nvtime)(); /* so why doesn't it take void? */ |
174 | static double (*nvtime)(); /* so why doesn't it take void? */ |
|
|
175 | static void (*u2time)(pTHX_ UV ret[2]); |
159 | |
176 | |
160 | /* we hijack an hopefully unused CV flag for our purposes */ |
177 | /* we hijack an hopefully unused CV flag for our purposes */ |
161 | #define CVf_SLF 0x4000 |
178 | #define CVf_SLF 0x4000 |
162 | static OP *pp_slf (pTHX); |
179 | static OP *pp_slf (pTHX); |
163 | |
180 | |
… | |
… | |
167 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
184 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
168 | static JMPENV *main_top_env; |
185 | static JMPENV *main_top_env; |
169 | static HV *coro_state_stash, *coro_stash; |
186 | static HV *coro_state_stash, *coro_stash; |
170 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
187 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
171 | |
188 | |
|
|
189 | static AV *av_destroy; /* destruction queue */ |
|
|
190 | static SV *sv_manager; /* the manager coro */ |
|
|
191 | static SV *sv_idle; /* $Coro::idle */ |
|
|
192 | |
172 | static GV *irsgv; /* $/ */ |
193 | static GV *irsgv; /* $/ */ |
173 | static GV *stdoutgv; /* *STDOUT */ |
194 | static GV *stdoutgv; /* *STDOUT */ |
174 | static SV *rv_diehook; |
195 | static SV *rv_diehook; |
175 | static SV *rv_warnhook; |
196 | static SV *rv_warnhook; |
176 | static HV *hv_sig; /* %SIG */ |
197 | static HV *hv_sig; /* %SIG */ |
177 | |
198 | |
178 | /* async_pool helper stuff */ |
199 | /* async_pool helper stuff */ |
179 | static SV *sv_pool_rss; |
200 | static SV *sv_pool_rss; |
180 | static SV *sv_pool_size; |
201 | static SV *sv_pool_size; |
|
|
202 | static SV *sv_async_pool_idle; /* description string */ |
181 | static AV *av_async_pool; |
203 | static AV *av_async_pool; /* idle pool */ |
|
|
204 | static SV *sv_Coro; /* class string */ |
|
|
205 | static CV *cv_pool_handler; |
|
|
206 | static CV *cv_coro_state_new; |
182 | |
207 | |
183 | /* Coro::AnyEvent */ |
208 | /* Coro::AnyEvent */ |
184 | static SV *sv_activity; |
209 | static SV *sv_activity; |
|
|
210 | |
|
|
211 | /* enable processtime/realtime profiling */ |
|
|
212 | static char enable_times; |
|
|
213 | typedef U32 coro_ts[2]; |
|
|
214 | static coro_ts time_real, time_cpu; |
|
|
215 | static char times_valid; |
185 | |
216 | |
186 | static struct coro_cctx *cctx_first; |
217 | static struct coro_cctx *cctx_first; |
187 | static int cctx_count, cctx_idle; |
218 | static int cctx_count, cctx_idle; |
188 | |
219 | |
189 | enum { |
220 | enum { |
… | |
… | |
215 | int valgrind_id; |
246 | int valgrind_id; |
216 | #endif |
247 | #endif |
217 | unsigned char flags; |
248 | unsigned char flags; |
218 | } coro_cctx; |
249 | } coro_cctx; |
219 | |
250 | |
|
|
251 | coro_cctx *cctx_current; /* the currently running cctx */ |
|
|
252 | |
|
|
253 | /*****************************************************************************/ |
|
|
254 | |
220 | enum { |
255 | enum { |
221 | CF_RUNNING = 0x0001, /* coroutine is running */ |
256 | CF_RUNNING = 0x0001, /* coroutine is running */ |
222 | CF_READY = 0x0002, /* coroutine is ready */ |
257 | CF_READY = 0x0002, /* coroutine is ready */ |
223 | CF_NEW = 0x0004, /* has never been switched to */ |
258 | CF_NEW = 0x0004, /* has never been switched to */ |
224 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
259 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
|
|
260 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
225 | }; |
261 | }; |
226 | |
262 | |
227 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
263 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
228 | typedef struct |
264 | typedef struct |
229 | { |
265 | { |
230 | SV *defsv; |
266 | SV *defsv; |
231 | AV *defav; |
267 | AV *defav; |
232 | SV *errsv; |
268 | SV *errsv; |
233 | SV *irsgv; |
269 | SV *irsgv; |
|
|
270 | HV *hinthv; |
234 | #define VAR(name,type) type name; |
271 | #define VAR(name,type) type name; |
235 | # include "state.h" |
272 | # include "state.h" |
236 | #undef VAR |
273 | #undef VAR |
237 | } perl_slots; |
274 | } perl_slots; |
238 | |
275 | |
… | |
… | |
241 | /* this is a structure representing a perl-level coroutine */ |
278 | /* this is a structure representing a perl-level coroutine */ |
242 | struct coro { |
279 | struct coro { |
243 | /* the C coroutine allocated to this perl coroutine, if any */ |
280 | /* the C coroutine allocated to this perl coroutine, if any */ |
244 | coro_cctx *cctx; |
281 | coro_cctx *cctx; |
245 | |
282 | |
|
|
283 | /* ready queue */ |
|
|
284 | struct coro *next_ready; |
|
|
285 | |
246 | /* state data */ |
286 | /* state data */ |
247 | struct CoroSLF slf_frame; /* saved slf frame */ |
287 | struct CoroSLF slf_frame; /* saved slf frame */ |
248 | AV *mainstack; |
288 | AV *mainstack; |
249 | perl_slots *slot; /* basically the saved sp */ |
289 | perl_slots *slot; /* basically the saved sp */ |
250 | |
290 | |
|
|
291 | CV *startcv; /* the CV to execute */ |
251 | AV *args; /* data associated with this coroutine (initial args) */ |
292 | AV *args; /* data associated with this coroutine (initial args) */ |
252 | int refcnt; /* coroutines are refcounted, yes */ |
293 | int refcnt; /* coroutines are refcounted, yes */ |
253 | int flags; /* CF_ flags */ |
294 | int flags; /* CF_ flags */ |
254 | HV *hv; /* the perl hash associated with this coro, if any */ |
295 | HV *hv; /* the perl hash associated with this coro, if any */ |
255 | void (*on_destroy)(pTHX_ struct coro *coro); |
296 | void (*on_destroy)(pTHX_ struct coro *coro); |
256 | |
297 | |
257 | /* statistics */ |
298 | /* statistics */ |
258 | int usecount; /* number of transfers to this coro */ |
299 | int usecount; /* number of transfers to this coro */ |
259 | |
300 | |
260 | /* coro process data */ |
301 | /* coro process data */ |
261 | int prio; |
302 | int prio; |
262 | SV *except; /* exception to be thrown */ |
303 | SV *except; /* exception to be thrown */ |
|
|
304 | SV *rouse_cb; |
263 | |
305 | |
264 | /* async_pool */ |
306 | /* async_pool */ |
265 | SV *saved_deffh; |
307 | SV *saved_deffh; |
|
|
308 | SV *invoke_cb; |
|
|
309 | AV *invoke_av; |
|
|
310 | |
|
|
311 | /* on_enter/on_leave */ |
|
|
312 | AV *on_enter; |
|
|
313 | AV *on_leave; |
|
|
314 | |
|
|
315 | /* times */ |
|
|
316 | coro_ts t_cpu, t_real; |
266 | |
317 | |
267 | /* linked list */ |
318 | /* linked list */ |
268 | struct coro *next, *prev; |
319 | struct coro *next, *prev; |
269 | }; |
320 | }; |
270 | |
321 | |
… | |
… | |
276 | /* the mainr easonw e don't support windows process emulation */ |
327 | /* the mainr easonw e don't support windows process emulation */ |
277 | static struct CoroSLF slf_frame; /* the current slf frame */ |
328 | static struct CoroSLF slf_frame; /* the current slf frame */ |
278 | |
329 | |
279 | /** Coro ********************************************************************/ |
330 | /** Coro ********************************************************************/ |
280 | |
331 | |
281 | #define PRIO_MAX 3 |
332 | #define CORO_PRIO_MAX 3 |
282 | #define PRIO_HIGH 1 |
333 | #define CORO_PRIO_HIGH 1 |
283 | #define PRIO_NORMAL 0 |
334 | #define CORO_PRIO_NORMAL 0 |
284 | #define PRIO_LOW -1 |
335 | #define CORO_PRIO_LOW -1 |
285 | #define PRIO_IDLE -3 |
336 | #define CORO_PRIO_IDLE -3 |
286 | #define PRIO_MIN -4 |
337 | #define CORO_PRIO_MIN -4 |
287 | |
338 | |
288 | /* for Coro.pm */ |
339 | /* for Coro.pm */ |
289 | static SV *coro_current; |
340 | static SV *coro_current; |
290 | static SV *coro_readyhook; |
341 | static SV *coro_readyhook; |
291 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
342 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
|
|
343 | static CV *cv_coro_run, *cv_coro_terminate; |
292 | static struct coro *coro_first; |
344 | static struct coro *coro_first; |
293 | #define coro_nready coroapi.nready |
345 | #define coro_nready coroapi.nready |
294 | |
346 | |
295 | /** lowlevel stuff **********************************************************/ |
347 | /** lowlevel stuff **********************************************************/ |
296 | |
348 | |
… | |
… | |
322 | get_hv (name, create); |
374 | get_hv (name, create); |
323 | #endif |
375 | #endif |
324 | return get_hv (name, create); |
376 | return get_hv (name, create); |
325 | } |
377 | } |
326 | |
378 | |
|
|
379 | /* may croak */ |
|
|
380 | INLINE CV * |
|
|
381 | coro_sv_2cv (pTHX_ SV *sv) |
|
|
382 | { |
|
|
383 | HV *st; |
|
|
384 | GV *gvp; |
|
|
385 | CV *cv = sv_2cv (sv, &st, &gvp, 0); |
|
|
386 | |
|
|
387 | if (!cv) |
|
|
388 | croak ("code reference expected"); |
|
|
389 | |
|
|
390 | return cv; |
|
|
391 | } |
|
|
392 | |
|
|
393 | INLINE void |
|
|
394 | coro_times_update () |
|
|
395 | { |
|
|
396 | #ifdef coro_clock_gettime |
|
|
397 | struct timespec ts; |
|
|
398 | |
|
|
399 | ts.tv_sec = ts.tv_nsec = 0; |
|
|
400 | coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts); |
|
|
401 | time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec; |
|
|
402 | |
|
|
403 | ts.tv_sec = ts.tv_nsec = 0; |
|
|
404 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
|
|
405 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
|
|
406 | #else |
|
|
407 | dTHX; |
|
|
408 | UV tv[2]; |
|
|
409 | |
|
|
410 | u2time (aTHX_ &tv); |
|
|
411 | time_real [0] = tv [0]; |
|
|
412 | time_real [1] = tv [1] * 1000; |
|
|
413 | #endif |
|
|
414 | } |
|
|
415 | |
|
|
416 | INLINE void |
|
|
417 | coro_times_add (struct coro *c) |
|
|
418 | { |
|
|
419 | c->t_real [1] += time_real [1]; |
|
|
420 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
|
|
421 | c->t_real [0] += time_real [0]; |
|
|
422 | |
|
|
423 | c->t_cpu [1] += time_cpu [1]; |
|
|
424 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
|
|
425 | c->t_cpu [0] += time_cpu [0]; |
|
|
426 | } |
|
|
427 | |
|
|
428 | INLINE void |
|
|
429 | coro_times_sub (struct coro *c) |
|
|
430 | { |
|
|
431 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
|
|
432 | c->t_real [1] -= time_real [1]; |
|
|
433 | c->t_real [0] -= time_real [0]; |
|
|
434 | |
|
|
435 | if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; } |
|
|
436 | c->t_cpu [1] -= time_cpu [1]; |
|
|
437 | c->t_cpu [0] -= time_cpu [0]; |
|
|
438 | } |
|
|
439 | |
|
|
440 | /*****************************************************************************/ |
|
|
441 | /* magic glue */ |
|
|
442 | |
|
|
443 | #define CORO_MAGIC_type_cv 26 |
|
|
444 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
445 | |
|
|
446 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
447 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
448 | ? SvMAGIC (sv) \ |
|
|
449 | : mg_find (sv, type)) |
|
|
450 | |
|
|
451 | #define CORO_MAGIC(sv, type) \ |
|
|
452 | (expect_true (SvMAGIC (sv)) \ |
|
|
453 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
454 | : 0) |
|
|
455 | |
|
|
456 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
457 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
458 | |
|
|
459 | INLINE struct coro * |
|
|
460 | SvSTATE_ (pTHX_ SV *coro) |
|
|
461 | { |
|
|
462 | HV *stash; |
|
|
463 | MAGIC *mg; |
|
|
464 | |
|
|
465 | if (SvROK (coro)) |
|
|
466 | coro = SvRV (coro); |
|
|
467 | |
|
|
468 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
469 | croak ("Coro::State object required"); |
|
|
470 | |
|
|
471 | stash = SvSTASH (coro); |
|
|
472 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
473 | { |
|
|
474 | /* very slow, but rare, check */ |
|
|
475 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
476 | croak ("Coro::State object required"); |
|
|
477 | } |
|
|
478 | |
|
|
479 | mg = CORO_MAGIC_state (coro); |
|
|
480 | return (struct coro *)mg->mg_ptr; |
|
|
481 | } |
|
|
482 | |
|
|
483 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
484 | |
|
|
485 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
486 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
487 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
488 | |
|
|
489 | /*****************************************************************************/ |
|
|
490 | /* padlist management and caching */ |
|
|
491 | |
327 | static AV * |
492 | static AV * |
328 | coro_clone_padlist (pTHX_ CV *cv) |
493 | coro_derive_padlist (pTHX_ CV *cv) |
329 | { |
494 | { |
330 | AV *padlist = CvPADLIST (cv); |
495 | AV *padlist = CvPADLIST (cv); |
331 | AV *newpadlist, *newpad; |
496 | AV *newpadlist, *newpad; |
332 | |
497 | |
333 | newpadlist = newAV (); |
498 | newpadlist = newAV (); |
… | |
… | |
338 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
503 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
339 | #endif |
504 | #endif |
340 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
505 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
341 | --AvFILLp (padlist); |
506 | --AvFILLp (padlist); |
342 | |
507 | |
343 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
508 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
344 | av_store (newpadlist, 1, (SV *)newpad); |
509 | av_store (newpadlist, 1, (SV *)newpad); |
345 | |
510 | |
346 | return newpadlist; |
511 | return newpadlist; |
347 | } |
512 | } |
348 | |
513 | |
349 | static void |
514 | static void |
350 | free_padlist (pTHX_ AV *padlist) |
515 | free_padlist (pTHX_ AV *padlist) |
351 | { |
516 | { |
352 | /* may be during global destruction */ |
517 | /* may be during global destruction */ |
353 | if (SvREFCNT (padlist)) |
518 | if (!IN_DESTRUCT) |
354 | { |
519 | { |
355 | I32 i = AvFILLp (padlist); |
520 | I32 i = AvFILLp (padlist); |
356 | while (i >= 0) |
521 | |
|
|
522 | while (i > 0) /* special-case index 0 */ |
357 | { |
523 | { |
358 | SV **svp = av_fetch (padlist, i--, FALSE); |
524 | /* we try to be extra-careful here */ |
359 | if (svp) |
525 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
360 | { |
526 | I32 j = AvFILLp (av); |
361 | SV *sv; |
527 | |
362 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
528 | while (j >= 0) |
|
|
529 | SvREFCNT_dec (AvARRAY (av)[j--]); |
|
|
530 | |
|
|
531 | AvFILLp (av) = -1; |
363 | SvREFCNT_dec (sv); |
532 | SvREFCNT_dec (av); |
364 | |
|
|
365 | SvREFCNT_dec (*svp); |
|
|
366 | } |
|
|
367 | } |
533 | } |
368 | |
534 | |
|
|
535 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
|
|
536 | |
|
|
537 | AvFILLp (padlist) = -1; |
369 | SvREFCNT_dec ((SV*)padlist); |
538 | SvREFCNT_dec ((SV*)padlist); |
370 | } |
539 | } |
371 | } |
540 | } |
372 | |
541 | |
373 | static int |
542 | static int |
374 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
543 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
375 | { |
544 | { |
376 | AV *padlist; |
545 | AV *padlist; |
377 | AV *av = (AV *)mg->mg_obj; |
546 | AV *av = (AV *)mg->mg_obj; |
|
|
547 | |
|
|
548 | /* perl manages to free our internal AV and _then_ call us */ |
|
|
549 | if (IN_DESTRUCT) |
|
|
550 | return; |
378 | |
551 | |
379 | /* casting is fun. */ |
552 | /* casting is fun. */ |
380 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
553 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
381 | free_padlist (aTHX_ padlist); |
554 | free_padlist (aTHX_ padlist); |
382 | |
555 | |
383 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
556 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
384 | |
557 | |
385 | return 0; |
558 | return 0; |
386 | } |
559 | } |
387 | |
|
|
388 | #define CORO_MAGIC_type_cv 26 |
|
|
389 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
390 | |
560 | |
391 | static MGVTBL coro_cv_vtbl = { |
561 | static MGVTBL coro_cv_vtbl = { |
392 | 0, 0, 0, 0, |
562 | 0, 0, 0, 0, |
393 | coro_cv_free |
563 | coro_cv_free |
394 | }; |
564 | }; |
395 | |
|
|
396 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
397 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
398 | ? SvMAGIC (sv) \ |
|
|
399 | : mg_find (sv, type)) |
|
|
400 | |
|
|
401 | #define CORO_MAGIC(sv, type) \ |
|
|
402 | (expect_true (SvMAGIC (sv)) \ |
|
|
403 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
404 | : 0) |
|
|
405 | |
|
|
406 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
407 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
408 | |
|
|
409 | INLINE struct coro * |
|
|
410 | SvSTATE_ (pTHX_ SV *coro) |
|
|
411 | { |
|
|
412 | HV *stash; |
|
|
413 | MAGIC *mg; |
|
|
414 | |
|
|
415 | if (SvROK (coro)) |
|
|
416 | coro = SvRV (coro); |
|
|
417 | |
|
|
418 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
419 | croak ("Coro::State object required"); |
|
|
420 | |
|
|
421 | stash = SvSTASH (coro); |
|
|
422 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
423 | { |
|
|
424 | /* very slow, but rare, check */ |
|
|
425 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
426 | croak ("Coro::State object required"); |
|
|
427 | } |
|
|
428 | |
|
|
429 | mg = CORO_MAGIC_state (coro); |
|
|
430 | return (struct coro *)mg->mg_ptr; |
|
|
431 | } |
|
|
432 | |
|
|
433 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
434 | |
|
|
435 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
436 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
437 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
438 | |
565 | |
439 | /* the next two functions merely cache the padlists */ |
566 | /* the next two functions merely cache the padlists */ |
440 | static void |
567 | static void |
441 | get_padlist (pTHX_ CV *cv) |
568 | get_padlist (pTHX_ CV *cv) |
442 | { |
569 | { |
… | |
… | |
448 | else |
575 | else |
449 | { |
576 | { |
450 | #if CORO_PREFER_PERL_FUNCTIONS |
577 | #if CORO_PREFER_PERL_FUNCTIONS |
451 | /* this is probably cleaner? but also slower! */ |
578 | /* this is probably cleaner? but also slower! */ |
452 | /* in practise, it seems to be less stable */ |
579 | /* in practise, it seems to be less stable */ |
453 | CV *cp = Perl_cv_clone (cv); |
580 | CV *cp = Perl_cv_clone (aTHX_ cv); |
454 | CvPADLIST (cv) = CvPADLIST (cp); |
581 | CvPADLIST (cv) = CvPADLIST (cp); |
455 | CvPADLIST (cp) = 0; |
582 | CvPADLIST (cp) = 0; |
456 | SvREFCNT_dec (cp); |
583 | SvREFCNT_dec (cp); |
457 | #else |
584 | #else |
458 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
585 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
459 | #endif |
586 | #endif |
460 | } |
587 | } |
461 | } |
588 | } |
462 | |
589 | |
463 | static void |
590 | static void |
… | |
… | |
470 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
597 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
471 | |
598 | |
472 | av = (AV *)mg->mg_obj; |
599 | av = (AV *)mg->mg_obj; |
473 | |
600 | |
474 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
601 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
475 | av_extend (av, AvMAX (av) + 1); |
602 | av_extend (av, AvFILLp (av) + 1); |
476 | |
603 | |
477 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
604 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
478 | } |
605 | } |
479 | |
606 | |
480 | /** load & save, init *******************************************************/ |
607 | /** load & save, init *******************************************************/ |
|
|
608 | |
|
|
609 | static void |
|
|
610 | on_enterleave_call (pTHX_ SV *cb); |
481 | |
611 | |
482 | static void |
612 | static void |
483 | load_perl (pTHX_ Coro__State c) |
613 | load_perl (pTHX_ Coro__State c) |
484 | { |
614 | { |
485 | perl_slots *slot = c->slot; |
615 | perl_slots *slot = c->slot; |
486 | c->slot = 0; |
616 | c->slot = 0; |
487 | |
617 | |
488 | PL_mainstack = c->mainstack; |
618 | PL_mainstack = c->mainstack; |
489 | |
619 | |
490 | GvSV (PL_defgv) = slot->defsv; |
620 | GvSV (PL_defgv) = slot->defsv; |
491 | GvAV (PL_defgv) = slot->defav; |
621 | GvAV (PL_defgv) = slot->defav; |
492 | GvSV (PL_errgv) = slot->errsv; |
622 | GvSV (PL_errgv) = slot->errsv; |
493 | GvSV (irsgv) = slot->irsgv; |
623 | GvSV (irsgv) = slot->irsgv; |
|
|
624 | GvHV (PL_hintgv) = slot->hinthv; |
494 | |
625 | |
495 | #define VAR(name,type) PL_ ## name = slot->name; |
626 | #define VAR(name,type) PL_ ## name = slot->name; |
496 | # include "state.h" |
627 | # include "state.h" |
497 | #undef VAR |
628 | #undef VAR |
498 | |
629 | |
… | |
… | |
512 | PUTBACK; |
643 | PUTBACK; |
513 | } |
644 | } |
514 | |
645 | |
515 | slf_frame = c->slf_frame; |
646 | slf_frame = c->slf_frame; |
516 | CORO_THROW = c->except; |
647 | CORO_THROW = c->except; |
|
|
648 | |
|
|
649 | if (expect_false (enable_times)) |
|
|
650 | { |
|
|
651 | if (expect_false (!times_valid)) |
|
|
652 | coro_times_update (); |
|
|
653 | |
|
|
654 | coro_times_sub (c); |
|
|
655 | } |
|
|
656 | |
|
|
657 | if (expect_false (c->on_enter)) |
|
|
658 | { |
|
|
659 | int i; |
|
|
660 | |
|
|
661 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
662 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
|
|
663 | } |
517 | } |
664 | } |
518 | |
665 | |
519 | static void |
666 | static void |
520 | save_perl (pTHX_ Coro__State c) |
667 | save_perl (pTHX_ Coro__State c) |
521 | { |
668 | { |
|
|
669 | if (expect_false (c->on_leave)) |
|
|
670 | { |
|
|
671 | int i; |
|
|
672 | |
|
|
673 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
674 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
675 | } |
|
|
676 | |
|
|
677 | times_valid = 0; |
|
|
678 | |
|
|
679 | if (expect_false (enable_times)) |
|
|
680 | { |
|
|
681 | coro_times_update (); times_valid = 1; |
|
|
682 | coro_times_add (c); |
|
|
683 | } |
|
|
684 | |
522 | c->except = CORO_THROW; |
685 | c->except = CORO_THROW; |
523 | c->slf_frame = slf_frame; |
686 | c->slf_frame = slf_frame; |
524 | |
687 | |
525 | { |
688 | { |
526 | dSP; |
689 | dSP; |
… | |
… | |
539 | { |
702 | { |
540 | while (expect_true (cxix >= 0)) |
703 | while (expect_true (cxix >= 0)) |
541 | { |
704 | { |
542 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
705 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
543 | |
706 | |
544 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
707 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
545 | { |
708 | { |
546 | CV *cv = cx->blk_sub.cv; |
709 | CV *cv = cx->blk_sub.cv; |
547 | |
710 | |
548 | if (expect_true (CvDEPTH (cv))) |
711 | if (expect_true (CvDEPTH (cv))) |
549 | { |
712 | { |
… | |
… | |
584 | c->mainstack = PL_mainstack; |
747 | c->mainstack = PL_mainstack; |
585 | |
748 | |
586 | { |
749 | { |
587 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
750 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
588 | |
751 | |
589 | slot->defav = GvAV (PL_defgv); |
752 | slot->defav = GvAV (PL_defgv); |
590 | slot->defsv = DEFSV; |
753 | slot->defsv = DEFSV; |
591 | slot->errsv = ERRSV; |
754 | slot->errsv = ERRSV; |
592 | slot->irsgv = GvSV (irsgv); |
755 | slot->irsgv = GvSV (irsgv); |
|
|
756 | slot->hinthv = GvHV (PL_hintgv); |
593 | |
757 | |
594 | #define VAR(name,type) slot->name = PL_ ## name; |
758 | #define VAR(name,type) slot->name = PL_ ## name; |
595 | # include "state.h" |
759 | # include "state.h" |
596 | #undef VAR |
760 | #undef VAR |
597 | } |
761 | } |
… | |
… | |
602 | * of perl.c:init_stacks, except that it uses less memory |
766 | * of perl.c:init_stacks, except that it uses less memory |
603 | * on the (sometimes correct) assumption that coroutines do |
767 | * on the (sometimes correct) assumption that coroutines do |
604 | * not usually need a lot of stackspace. |
768 | * not usually need a lot of stackspace. |
605 | */ |
769 | */ |
606 | #if CORO_PREFER_PERL_FUNCTIONS |
770 | #if CORO_PREFER_PERL_FUNCTIONS |
607 | # define coro_init_stacks init_stacks |
771 | # define coro_init_stacks(thx) init_stacks () |
608 | #else |
772 | #else |
609 | static void |
773 | static void |
610 | coro_init_stacks (pTHX) |
774 | coro_init_stacks (pTHX) |
611 | { |
775 | { |
612 | PL_curstackinfo = new_stackinfo(32, 8); |
776 | PL_curstackinfo = new_stackinfo(32, 8); |
… | |
… | |
675 | #if !PERL_VERSION_ATLEAST (5,10,0) |
839 | #if !PERL_VERSION_ATLEAST (5,10,0) |
676 | Safefree (PL_retstack); |
840 | Safefree (PL_retstack); |
677 | #endif |
841 | #endif |
678 | } |
842 | } |
679 | |
843 | |
|
|
844 | #define CORO_RSS \ |
|
|
845 | rss += sizeof (SYM (curstackinfo)); \ |
|
|
846 | rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \ |
|
|
847 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \ |
|
|
848 | rss += SYM (tmps_max) * sizeof (SV *); \ |
|
|
849 | rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \ |
|
|
850 | rss += SYM (scopestack_max) * sizeof (I32); \ |
|
|
851 | rss += SYM (savestack_max) * sizeof (ANY); |
|
|
852 | |
680 | static size_t |
853 | static size_t |
681 | coro_rss (pTHX_ struct coro *coro) |
854 | coro_rss (pTHX_ struct coro *coro) |
682 | { |
855 | { |
683 | size_t rss = sizeof (*coro); |
856 | size_t rss = sizeof (*coro); |
684 | |
857 | |
685 | if (coro->mainstack) |
858 | if (coro->mainstack) |
686 | { |
859 | { |
687 | perl_slots tmp_slot; |
|
|
688 | perl_slots *slot; |
|
|
689 | |
|
|
690 | if (coro->flags & CF_RUNNING) |
860 | if (coro->flags & CF_RUNNING) |
691 | { |
861 | { |
692 | slot = &tmp_slot; |
862 | #define SYM(sym) PL_ ## sym |
693 | |
863 | CORO_RSS; |
694 | #define VAR(name,type) slot->name = PL_ ## name; |
|
|
695 | # include "state.h" |
|
|
696 | #undef VAR |
864 | #undef SYM |
697 | } |
865 | } |
698 | else |
866 | else |
699 | slot = coro->slot; |
|
|
700 | |
|
|
701 | if (slot) |
|
|
702 | { |
867 | { |
703 | rss += sizeof (slot->curstackinfo); |
868 | #define SYM(sym) coro->slot->sym |
704 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
869 | CORO_RSS; |
705 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
870 | #undef SYM |
706 | rss += slot->tmps_max * sizeof (SV *); |
|
|
707 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
|
|
708 | rss += slot->scopestack_max * sizeof (I32); |
|
|
709 | rss += slot->savestack_max * sizeof (ANY); |
|
|
710 | |
|
|
711 | #if !PERL_VERSION_ATLEAST (5,10,0) |
|
|
712 | rss += slot->retstack_max * sizeof (OP *); |
|
|
713 | #endif |
|
|
714 | } |
871 | } |
715 | } |
872 | } |
716 | |
873 | |
717 | return rss; |
874 | return rss; |
718 | } |
875 | } |
… | |
… | |
731 | #endif |
888 | #endif |
732 | |
889 | |
733 | /* |
890 | /* |
734 | * This overrides the default magic get method of %SIG elements. |
891 | * This overrides the default magic get method of %SIG elements. |
735 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
892 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
736 | * and instead of tryign to save and restore the hash elements, we just provide |
893 | * and instead of trying to save and restore the hash elements, we just provide |
737 | * readback here. |
894 | * readback here. |
738 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
739 | * not expecting this to actually change the hook. This is a potential problem |
|
|
740 | * when a schedule happens then, but we ignore this. |
|
|
741 | */ |
895 | */ |
742 | static int |
896 | static int |
743 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
897 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
744 | { |
898 | { |
745 | const char *s = MgPV_nolen_const (mg); |
899 | const char *s = MgPV_nolen_const (mg); |
… | |
… | |
798 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
952 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
799 | |
953 | |
800 | if (svp) |
954 | if (svp) |
801 | { |
955 | { |
802 | SV *old = *svp; |
956 | SV *old = *svp; |
803 | *svp = newSVsv (sv); |
957 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
804 | SvREFCNT_dec (old); |
958 | SvREFCNT_dec (old); |
805 | return 0; |
959 | return 0; |
806 | } |
960 | } |
807 | } |
961 | } |
808 | |
962 | |
… | |
… | |
818 | |
972 | |
819 | static int |
973 | static int |
820 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
974 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
821 | { |
975 | { |
822 | return 0; |
976 | return 0; |
|
|
977 | } |
|
|
978 | |
|
|
979 | static int |
|
|
980 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
|
|
981 | { |
|
|
982 | return 1; |
823 | } |
983 | } |
824 | |
984 | |
825 | static UNOP coro_setup_op; |
985 | static UNOP coro_setup_op; |
826 | |
986 | |
827 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
987 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
… | |
… | |
834 | |
994 | |
835 | PL_runops = RUNOPS_DEFAULT; |
995 | PL_runops = RUNOPS_DEFAULT; |
836 | PL_curcop = &PL_compiling; |
996 | PL_curcop = &PL_compiling; |
837 | PL_in_eval = EVAL_NULL; |
997 | PL_in_eval = EVAL_NULL; |
838 | PL_comppad = 0; |
998 | PL_comppad = 0; |
|
|
999 | PL_comppad_name = 0; |
|
|
1000 | PL_comppad_name_fill = 0; |
|
|
1001 | PL_comppad_name_floor = 0; |
839 | PL_curpm = 0; |
1002 | PL_curpm = 0; |
840 | PL_curpad = 0; |
1003 | PL_curpad = 0; |
841 | PL_localizing = 0; |
1004 | PL_localizing = 0; |
842 | PL_dirty = 0; |
1005 | PL_dirty = 0; |
843 | PL_restartop = 0; |
1006 | PL_restartop = 0; |
844 | #if PERL_VERSION_ATLEAST (5,10,0) |
1007 | #if PERL_VERSION_ATLEAST (5,10,0) |
845 | PL_parser = 0; |
1008 | PL_parser = 0; |
846 | #endif |
1009 | #endif |
|
|
1010 | PL_hints = 0; |
847 | |
1011 | |
848 | /* recreate the die/warn hooks */ |
1012 | /* recreate the die/warn hooks */ |
849 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1013 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
850 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1014 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
851 | |
1015 | |
852 | GvSV (PL_defgv) = newSV (0); |
1016 | GvSV (PL_defgv) = newSV (0); |
853 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1017 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
854 | GvSV (PL_errgv) = newSV (0); |
1018 | GvSV (PL_errgv) = newSV (0); |
855 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1019 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
1020 | GvHV (PL_hintgv) = 0; |
856 | PL_rs = newSVsv (GvSV (irsgv)); |
1021 | PL_rs = newSVsv (GvSV (irsgv)); |
857 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1022 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
858 | |
1023 | |
859 | { |
1024 | { |
860 | dSP; |
1025 | dSP; |
861 | UNOP myop; |
1026 | UNOP myop; |
862 | |
1027 | |
863 | Zero (&myop, 1, UNOP); |
1028 | Zero (&myop, 1, UNOP); |
864 | myop.op_next = Nullop; |
1029 | myop.op_next = Nullop; |
|
|
1030 | myop.op_type = OP_ENTERSUB; |
865 | myop.op_flags = OPf_WANT_VOID; |
1031 | myop.op_flags = OPf_WANT_VOID; |
866 | |
1032 | |
867 | PUSHMARK (SP); |
1033 | PUSHMARK (SP); |
868 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
1034 | PUSHs ((SV *)coro->startcv); |
869 | PUTBACK; |
1035 | PUTBACK; |
870 | PL_op = (OP *)&myop; |
1036 | PL_op = (OP *)&myop; |
871 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1037 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
872 | SPAGAIN; |
|
|
873 | } |
1038 | } |
874 | |
1039 | |
875 | /* this newly created coroutine might be run on an existing cctx which most |
1040 | /* this newly created coroutine might be run on an existing cctx which most |
876 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1041 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
877 | */ |
1042 | */ |
878 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1043 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
879 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1044 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
880 | |
1045 | |
881 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1046 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
882 | coro_setup_op.op_next = PL_op; |
1047 | coro_setup_op.op_next = PL_op; |
883 | coro_setup_op.op_type = OP_CUSTOM; |
1048 | coro_setup_op.op_type = OP_ENTERSUB; |
884 | coro_setup_op.op_ppaddr = pp_slf; |
1049 | coro_setup_op.op_ppaddr = pp_slf; |
885 | /* no flags required, as an init function won't be called */ |
1050 | /* no flags etc. required, as an init function won't be called */ |
886 | |
1051 | |
887 | PL_op = (OP *)&coro_setup_op; |
1052 | PL_op = (OP *)&coro_setup_op; |
888 | |
1053 | |
889 | /* copy throw, in case it was set before coro_setup */ |
1054 | /* copy throw, in case it was set before coro_setup */ |
890 | CORO_THROW = coro->except; |
1055 | CORO_THROW = coro->except; |
891 | } |
|
|
892 | |
1056 | |
|
|
1057 | if (expect_false (enable_times)) |
|
|
1058 | { |
|
|
1059 | coro_times_update (); |
|
|
1060 | coro_times_sub (coro); |
|
|
1061 | } |
|
|
1062 | } |
|
|
1063 | |
893 | static void |
1064 | static void |
894 | coro_destruct (pTHX_ struct coro *coro) |
1065 | coro_unwind_stacks (pTHX) |
895 | { |
1066 | { |
896 | if (!IN_DESTRUCT) |
1067 | if (!IN_DESTRUCT) |
897 | { |
1068 | { |
898 | /* restore all saved variables and stuff */ |
1069 | /* restore all saved variables and stuff */ |
899 | LEAVE_SCOPE (0); |
1070 | LEAVE_SCOPE (0); |
… | |
… | |
907 | POPSTACK_TO (PL_mainstack); |
1078 | POPSTACK_TO (PL_mainstack); |
908 | |
1079 | |
909 | /* unwind main stack */ |
1080 | /* unwind main stack */ |
910 | dounwind (-1); |
1081 | dounwind (-1); |
911 | } |
1082 | } |
|
|
1083 | } |
912 | |
1084 | |
913 | SvREFCNT_dec (GvSV (PL_defgv)); |
1085 | static void |
914 | SvREFCNT_dec (GvAV (PL_defgv)); |
1086 | coro_destruct_perl (pTHX_ struct coro *coro) |
915 | SvREFCNT_dec (GvSV (PL_errgv)); |
1087 | { |
916 | SvREFCNT_dec (PL_defoutgv); |
1088 | SV *svf [9]; |
917 | SvREFCNT_dec (PL_rs); |
|
|
918 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
919 | |
1089 | |
920 | SvREFCNT_dec (PL_diehook); |
|
|
921 | SvREFCNT_dec (PL_warnhook); |
|
|
922 | |
1090 | { |
|
|
1091 | struct coro *current = SvSTATE_current; |
|
|
1092 | |
|
|
1093 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1094 | |
|
|
1095 | save_perl (aTHX_ current); |
|
|
1096 | load_perl (aTHX_ coro); |
|
|
1097 | |
|
|
1098 | coro_unwind_stacks (aTHX); |
|
|
1099 | coro_destruct_stacks (aTHX); |
|
|
1100 | |
|
|
1101 | // now save some sv's to be free'd later |
|
|
1102 | svf [0] = GvSV (PL_defgv); |
|
|
1103 | svf [1] = (SV *)GvAV (PL_defgv); |
|
|
1104 | svf [2] = GvSV (PL_errgv); |
|
|
1105 | svf [3] = (SV *)PL_defoutgv; |
|
|
1106 | svf [4] = PL_rs; |
|
|
1107 | svf [5] = GvSV (irsgv); |
|
|
1108 | svf [6] = (SV *)GvHV (PL_hintgv); |
|
|
1109 | svf [7] = PL_diehook; |
|
|
1110 | svf [8] = PL_warnhook; |
|
|
1111 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1112 | |
|
|
1113 | load_perl (aTHX_ current); |
|
|
1114 | } |
|
|
1115 | |
|
|
1116 | { |
|
|
1117 | int i; |
|
|
1118 | |
|
|
1119 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
|
|
1120 | SvREFCNT_dec (svf [i]); |
|
|
1121 | |
923 | SvREFCNT_dec (coro->saved_deffh); |
1122 | SvREFCNT_dec (coro->saved_deffh); |
924 | SvREFCNT_dec (CORO_THROW); |
1123 | SvREFCNT_dec (coro->rouse_cb); |
925 | |
1124 | SvREFCNT_dec (coro->invoke_cb); |
926 | coro_destruct_stacks (aTHX); |
1125 | SvREFCNT_dec (coro->invoke_av); |
|
|
1126 | } |
927 | } |
1127 | } |
928 | |
1128 | |
929 | INLINE void |
1129 | INLINE void |
930 | free_coro_mortal (pTHX) |
1130 | free_coro_mortal (pTHX) |
931 | { |
1131 | { |
… | |
… | |
939 | static int |
1139 | static int |
940 | runops_trace (pTHX) |
1140 | runops_trace (pTHX) |
941 | { |
1141 | { |
942 | COP *oldcop = 0; |
1142 | COP *oldcop = 0; |
943 | int oldcxix = -2; |
1143 | int oldcxix = -2; |
944 | struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */ |
|
|
945 | coro_cctx *cctx = coro->cctx; |
|
|
946 | |
1144 | |
947 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
1145 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
948 | { |
1146 | { |
949 | PERL_ASYNC_CHECK (); |
1147 | PERL_ASYNC_CHECK (); |
950 | |
1148 | |
951 | if (cctx->flags & CC_TRACE_ALL) |
1149 | if (cctx_current->flags & CC_TRACE_ALL) |
952 | { |
1150 | { |
953 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
1151 | if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB) |
954 | { |
1152 | { |
955 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1153 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
956 | SV **bot, **top; |
1154 | SV **bot, **top; |
957 | AV *av = newAV (); /* return values */ |
1155 | AV *av = newAV (); /* return values */ |
958 | SV **cb; |
1156 | SV **cb; |
… | |
… | |
995 | |
1193 | |
996 | if (PL_curcop != &PL_compiling) |
1194 | if (PL_curcop != &PL_compiling) |
997 | { |
1195 | { |
998 | SV **cb; |
1196 | SV **cb; |
999 | |
1197 | |
1000 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
1198 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1001 | { |
1199 | { |
1002 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1200 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1003 | |
1201 | |
1004 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1202 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1005 | { |
1203 | { |
1006 | runops_proc_t old_runops = PL_runops; |
|
|
1007 | dSP; |
1204 | dSP; |
1008 | GV *gv = CvGV (cx->blk_sub.cv); |
1205 | GV *gv = CvGV (cx->blk_sub.cv); |
1009 | SV *fullname = sv_2mortal (newSV (0)); |
1206 | SV *fullname = sv_2mortal (newSV (0)); |
1010 | |
1207 | |
1011 | if (isGV (gv)) |
1208 | if (isGV (gv)) |
… | |
… | |
1016 | SAVETMPS; |
1213 | SAVETMPS; |
1017 | EXTEND (SP, 3); |
1214 | EXTEND (SP, 3); |
1018 | PUSHMARK (SP); |
1215 | PUSHMARK (SP); |
1019 | PUSHs (&PL_sv_yes); |
1216 | PUSHs (&PL_sv_yes); |
1020 | PUSHs (fullname); |
1217 | PUSHs (fullname); |
1021 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1218 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1022 | PUTBACK; |
1219 | PUTBACK; |
1023 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1220 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1024 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1221 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1025 | SPAGAIN; |
1222 | SPAGAIN; |
1026 | FREETMPS; |
1223 | FREETMPS; |
… | |
… | |
1029 | } |
1226 | } |
1030 | |
1227 | |
1031 | oldcxix = cxstack_ix; |
1228 | oldcxix = cxstack_ix; |
1032 | } |
1229 | } |
1033 | |
1230 | |
1034 | if (cctx->flags & CC_TRACE_LINE) |
1231 | if (cctx_current->flags & CC_TRACE_LINE) |
1035 | { |
1232 | { |
1036 | dSP; |
1233 | dSP; |
1037 | |
1234 | |
1038 | PL_runops = RUNOPS_DEFAULT; |
1235 | PL_runops = RUNOPS_DEFAULT; |
1039 | ENTER; |
1236 | ENTER; |
… | |
… | |
1058 | |
1255 | |
1059 | TAINT_NOT; |
1256 | TAINT_NOT; |
1060 | return 0; |
1257 | return 0; |
1061 | } |
1258 | } |
1062 | |
1259 | |
1063 | static struct coro_cctx *cctx_ssl_cctx; |
|
|
1064 | static struct CoroSLF cctx_ssl_frame; |
1260 | static struct CoroSLF cctx_ssl_frame; |
1065 | |
1261 | |
1066 | static void |
1262 | static void |
1067 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1263 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1068 | { |
1264 | { |
1069 | ta->prev = (struct coro *)cctx_ssl_cctx; |
|
|
1070 | ta->next = 0; |
1265 | ta->prev = 0; |
1071 | } |
1266 | } |
1072 | |
1267 | |
1073 | static int |
1268 | static int |
1074 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1269 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1075 | { |
1270 | { |
… | |
… | |
1078 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1273 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1079 | } |
1274 | } |
1080 | |
1275 | |
1081 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1276 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1082 | static void NOINLINE |
1277 | static void NOINLINE |
1083 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1278 | cctx_prepare (pTHX) |
1084 | { |
1279 | { |
1085 | PL_top_env = &PL_start_env; |
1280 | PL_top_env = &PL_start_env; |
1086 | |
1281 | |
1087 | if (cctx->flags & CC_TRACE) |
1282 | if (cctx_current->flags & CC_TRACE) |
1088 | PL_runops = runops_trace; |
1283 | PL_runops = runops_trace; |
1089 | |
1284 | |
1090 | /* we already must be executing an SLF op, there is no other valid way |
1285 | /* we already must be executing an SLF op, there is no other valid way |
1091 | * that can lead to creation of a new cctx */ |
1286 | * that can lead to creation of a new cctx */ |
1092 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1287 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1093 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1288 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1094 | |
1289 | |
1095 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1290 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1096 | cctx_ssl_cctx = cctx; |
|
|
1097 | cctx_ssl_frame = slf_frame; |
1291 | cctx_ssl_frame = slf_frame; |
1098 | |
1292 | |
1099 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1293 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1100 | slf_frame.check = slf_check_set_stacklevel; |
1294 | slf_frame.check = slf_check_set_stacklevel; |
1101 | } |
1295 | } |
… | |
… | |
1124 | /* normally we would need to skip the entersub here */ |
1318 | /* normally we would need to skip the entersub here */ |
1125 | /* not doing so will re-execute it, which is exactly what we want */ |
1319 | /* not doing so will re-execute it, which is exactly what we want */ |
1126 | /* PL_nop = PL_nop->op_next */ |
1320 | /* PL_nop = PL_nop->op_next */ |
1127 | |
1321 | |
1128 | /* inject a fake subroutine call to cctx_init */ |
1322 | /* inject a fake subroutine call to cctx_init */ |
1129 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1323 | cctx_prepare (aTHX); |
1130 | |
1324 | |
1131 | /* cctx_run is the alternative tail of transfer() */ |
1325 | /* cctx_run is the alternative tail of transfer() */ |
1132 | transfer_tail (aTHX); |
1326 | transfer_tail (aTHX); |
1133 | |
1327 | |
1134 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1328 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1135 | PL_restartop = PL_op; |
1329 | PL_restartop = PL_op; |
1136 | perl_run (PL_curinterp); |
1330 | perl_run (PL_curinterp); |
|
|
1331 | /* |
|
|
1332 | * Unfortunately, there is no way to get at the return values of the |
|
|
1333 | * coro body here, as perl_run destroys these |
|
|
1334 | */ |
1137 | |
1335 | |
1138 | /* |
1336 | /* |
1139 | * If perl-run returns we assume exit() was being called or the coro |
1337 | * If perl-run returns we assume exit() was being called or the coro |
1140 | * fell off the end, which seems to be the only valid (non-bug) |
1338 | * fell off the end, which seems to be the only valid (non-bug) |
1141 | * reason for perl_run to return. We try to exit by jumping to the |
1339 | * reason for perl_run to return. We try to exit by jumping to the |
1142 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1340 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1143 | * coroutine as Coro has no such concept |
1341 | * coroutine as Coro has no such concept. |
|
|
1342 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1343 | * that backend are too broken to do it in a standards-compliant way. |
1144 | */ |
1344 | */ |
1145 | PL_top_env = main_top_env; |
1345 | PL_top_env = main_top_env; |
1146 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1346 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1147 | } |
1347 | } |
1148 | } |
1348 | } |
… | |
… | |
1225 | cctx_destroy (coro_cctx *cctx) |
1425 | cctx_destroy (coro_cctx *cctx) |
1226 | { |
1426 | { |
1227 | if (!cctx) |
1427 | if (!cctx) |
1228 | return; |
1428 | return; |
1229 | |
1429 | |
|
|
1430 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
|
|
1431 | |
1230 | --cctx_count; |
1432 | --cctx_count; |
1231 | coro_destroy (&cctx->cctx); |
1433 | coro_destroy (&cctx->cctx); |
1232 | |
1434 | |
1233 | /* coro_transfer creates new, empty cctx's */ |
1435 | /* coro_transfer creates new, empty cctx's */ |
1234 | if (cctx->sptr) |
1436 | if (cctx->sptr) |
… | |
… | |
1297 | /* TODO: throwing up here is considered harmful */ |
1499 | /* TODO: throwing up here is considered harmful */ |
1298 | |
1500 | |
1299 | if (expect_true (prev != next)) |
1501 | if (expect_true (prev != next)) |
1300 | { |
1502 | { |
1301 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1503 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1302 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,"); |
1504 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1303 | |
1505 | |
1304 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1305 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1306 | |
|
|
1307 | if (expect_false (next->flags & CF_DESTROYED)) |
1506 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1308 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1507 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1309 | |
1508 | |
1310 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1509 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1311 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1510 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1312 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1511 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1313 | #endif |
1512 | #endif |
… | |
… | |
1319 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1518 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1320 | { |
1519 | { |
1321 | dSTACKLEVEL; |
1520 | dSTACKLEVEL; |
1322 | |
1521 | |
1323 | /* sometimes transfer is only called to set idle_sp */ |
1522 | /* sometimes transfer is only called to set idle_sp */ |
1324 | if (expect_false (!next)) |
1523 | if (expect_false (!prev)) |
1325 | { |
1524 | { |
1326 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1525 | cctx_current->idle_sp = STACKLEVEL; |
1327 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1526 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1328 | } |
1527 | } |
1329 | else if (expect_true (prev != next)) |
1528 | else if (expect_true (prev != next)) |
1330 | { |
1529 | { |
1331 | coro_cctx *prev__cctx; |
1530 | coro_cctx *cctx_prev; |
1332 | |
1531 | |
1333 | if (expect_false (prev->flags & CF_NEW)) |
1532 | if (expect_false (prev->flags & CF_NEW)) |
1334 | { |
1533 | { |
1335 | /* create a new empty/source context */ |
1534 | /* create a new empty/source context */ |
1336 | prev->cctx = cctx_new_empty (); |
|
|
1337 | prev->flags &= ~CF_NEW; |
1535 | prev->flags &= ~CF_NEW; |
1338 | prev->flags |= CF_RUNNING; |
1536 | prev->flags |= CF_RUNNING; |
1339 | } |
1537 | } |
1340 | |
1538 | |
1341 | prev->flags &= ~CF_RUNNING; |
1539 | prev->flags &= ~CF_RUNNING; |
… | |
… | |
1352 | coro_setup (aTHX_ next); |
1550 | coro_setup (aTHX_ next); |
1353 | } |
1551 | } |
1354 | else |
1552 | else |
1355 | load_perl (aTHX_ next); |
1553 | load_perl (aTHX_ next); |
1356 | |
1554 | |
1357 | prev__cctx = prev->cctx; |
|
|
1358 | |
|
|
1359 | /* possibly untie and reuse the cctx */ |
1555 | /* possibly untie and reuse the cctx */ |
1360 | if (expect_true ( |
1556 | if (expect_true ( |
1361 | prev__cctx->idle_sp == STACKLEVEL |
1557 | cctx_current->idle_sp == STACKLEVEL |
1362 | && !(prev__cctx->flags & CC_TRACE) |
1558 | && !(cctx_current->flags & CC_TRACE) |
1363 | && !force_cctx |
1559 | && !force_cctx |
1364 | )) |
1560 | )) |
1365 | { |
1561 | { |
1366 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1562 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1367 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1563 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1368 | |
1564 | |
1369 | prev->cctx = 0; |
|
|
1370 | |
|
|
1371 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1565 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1372 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1566 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1373 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1567 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1374 | if (!next->cctx) |
1568 | if (expect_true (!next->cctx)) |
1375 | next->cctx = cctx_get (aTHX); |
1569 | next->cctx = cctx_get (aTHX); |
1376 | |
1570 | |
1377 | cctx_put (prev__cctx); |
1571 | cctx_put (cctx_current); |
1378 | } |
1572 | } |
|
|
1573 | else |
|
|
1574 | prev->cctx = cctx_current; |
1379 | |
1575 | |
1380 | ++next->usecount; |
1576 | ++next->usecount; |
1381 | |
1577 | |
1382 | if (expect_true (!next->cctx)) |
1578 | cctx_prev = cctx_current; |
1383 | next->cctx = cctx_get (aTHX); |
1579 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1384 | |
1580 | |
1385 | if (expect_false (prev__cctx != next->cctx)) |
1581 | next->cctx = 0; |
|
|
1582 | |
|
|
1583 | if (expect_false (cctx_prev != cctx_current)) |
1386 | { |
1584 | { |
1387 | prev__cctx->top_env = PL_top_env; |
1585 | cctx_prev->top_env = PL_top_env; |
1388 | PL_top_env = next->cctx->top_env; |
1586 | PL_top_env = cctx_current->top_env; |
1389 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1587 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1390 | } |
1588 | } |
1391 | |
1589 | |
1392 | transfer_tail (aTHX); |
1590 | transfer_tail (aTHX); |
1393 | } |
1591 | } |
1394 | } |
1592 | } |
… | |
… | |
1402 | coro_state_destroy (pTHX_ struct coro *coro) |
1600 | coro_state_destroy (pTHX_ struct coro *coro) |
1403 | { |
1601 | { |
1404 | if (coro->flags & CF_DESTROYED) |
1602 | if (coro->flags & CF_DESTROYED) |
1405 | return 0; |
1603 | return 0; |
1406 | |
1604 | |
1407 | if (coro->on_destroy) |
1605 | if (coro->on_destroy && !PL_dirty) |
1408 | coro->on_destroy (aTHX_ coro); |
1606 | coro->on_destroy (aTHX_ coro); |
1409 | |
1607 | |
1410 | coro->flags |= CF_DESTROYED; |
1608 | coro->flags |= CF_DESTROYED; |
1411 | |
1609 | |
1412 | if (coro->flags & CF_READY) |
1610 | if (coro->flags & CF_READY) |
… | |
… | |
1416 | --coro_nready; |
1614 | --coro_nready; |
1417 | } |
1615 | } |
1418 | else |
1616 | else |
1419 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1617 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1420 | |
1618 | |
1421 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1619 | if (coro->mainstack |
1422 | { |
1620 | && coro->mainstack != main_mainstack |
1423 | struct coro temp; |
1621 | && coro->slot |
1424 | |
1622 | && !PL_dirty) |
1425 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
|
|
1426 | |
|
|
1427 | save_perl (aTHX_ &temp); |
|
|
1428 | load_perl (aTHX_ coro); |
|
|
1429 | |
|
|
1430 | coro_destruct (aTHX_ coro); |
1623 | coro_destruct_perl (aTHX_ coro); |
1431 | |
|
|
1432 | load_perl (aTHX_ &temp); |
|
|
1433 | |
|
|
1434 | coro->slot = 0; |
|
|
1435 | } |
|
|
1436 | |
1624 | |
1437 | cctx_destroy (coro->cctx); |
1625 | cctx_destroy (coro->cctx); |
|
|
1626 | SvREFCNT_dec (coro->startcv); |
1438 | SvREFCNT_dec (coro->args); |
1627 | SvREFCNT_dec (coro->args); |
|
|
1628 | SvREFCNT_dec (CORO_THROW); |
1439 | |
1629 | |
1440 | if (coro->next) coro->next->prev = coro->prev; |
1630 | if (coro->next) coro->next->prev = coro->prev; |
1441 | if (coro->prev) coro->prev->next = coro->next; |
1631 | if (coro->prev) coro->prev->next = coro->next; |
1442 | if (coro == coro_first) coro_first = coro->next; |
1632 | if (coro == coro_first) coro_first = coro->next; |
1443 | |
1633 | |
… | |
… | |
1497 | |
1687 | |
1498 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1688 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1499 | TRANSFER (ta, 1); |
1689 | TRANSFER (ta, 1); |
1500 | } |
1690 | } |
1501 | |
1691 | |
|
|
1692 | /*****************************************************************************/ |
|
|
1693 | /* gensub: simple closure generation utility */ |
|
|
1694 | |
|
|
1695 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1696 | |
|
|
1697 | /* create a closure from XS, returns a code reference */ |
|
|
1698 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1699 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1700 | static SV * |
|
|
1701 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1702 | { |
|
|
1703 | CV *cv = (CV *)newSV (0); |
|
|
1704 | |
|
|
1705 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1706 | |
|
|
1707 | CvANON_on (cv); |
|
|
1708 | CvISXSUB_on (cv); |
|
|
1709 | CvXSUB (cv) = xsub; |
|
|
1710 | GENSUB_ARG = arg; |
|
|
1711 | |
|
|
1712 | return newRV_noinc ((SV *)cv); |
|
|
1713 | } |
|
|
1714 | |
1502 | /** Coro ********************************************************************/ |
1715 | /** Coro ********************************************************************/ |
1503 | |
1716 | |
1504 | INLINE void |
1717 | INLINE void |
1505 | coro_enq (pTHX_ struct coro *coro) |
1718 | coro_enq (pTHX_ struct coro *coro) |
1506 | { |
1719 | { |
1507 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1720 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1508 | } |
|
|
1509 | |
1721 | |
1510 | INLINE SV * |
1722 | SvREFCNT_inc_NN (coro->hv); |
|
|
1723 | |
|
|
1724 | coro->next_ready = 0; |
|
|
1725 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1726 | ready [1] = coro; |
|
|
1727 | } |
|
|
1728 | |
|
|
1729 | INLINE struct coro * |
1511 | coro_deq (pTHX) |
1730 | coro_deq (pTHX) |
1512 | { |
1731 | { |
1513 | int prio; |
1732 | int prio; |
1514 | |
1733 | |
1515 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1734 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1516 | if (AvFILLp (coro_ready [prio]) >= 0) |
1735 | { |
1517 | return av_shift (coro_ready [prio]); |
1736 | struct coro **ready = coro_ready [prio]; |
|
|
1737 | |
|
|
1738 | if (ready [0]) |
|
|
1739 | { |
|
|
1740 | struct coro *coro = ready [0]; |
|
|
1741 | ready [0] = coro->next_ready; |
|
|
1742 | return coro; |
|
|
1743 | } |
|
|
1744 | } |
1518 | |
1745 | |
1519 | return 0; |
1746 | return 0; |
1520 | } |
1747 | } |
1521 | |
1748 | |
1522 | static int |
1749 | static int |
… | |
… | |
1524 | { |
1751 | { |
1525 | struct coro *coro; |
1752 | struct coro *coro; |
1526 | SV *sv_hook; |
1753 | SV *sv_hook; |
1527 | void (*xs_hook)(void); |
1754 | void (*xs_hook)(void); |
1528 | |
1755 | |
1529 | if (SvROK (coro_sv)) |
|
|
1530 | coro_sv = SvRV (coro_sv); |
|
|
1531 | |
|
|
1532 | coro = SvSTATE (coro_sv); |
1756 | coro = SvSTATE (coro_sv); |
1533 | |
1757 | |
1534 | if (coro->flags & CF_READY) |
1758 | if (coro->flags & CF_READY) |
1535 | return 0; |
1759 | return 0; |
1536 | |
1760 | |
… | |
… | |
1567 | api_is_ready (pTHX_ SV *coro_sv) |
1791 | api_is_ready (pTHX_ SV *coro_sv) |
1568 | { |
1792 | { |
1569 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1793 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1570 | } |
1794 | } |
1571 | |
1795 | |
|
|
1796 | /* expects to own a reference to next->hv */ |
1572 | INLINE void |
1797 | INLINE void |
1573 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1798 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1574 | { |
1799 | { |
1575 | SV *prev_sv, *next_sv; |
|
|
1576 | |
|
|
1577 | for (;;) |
|
|
1578 | { |
|
|
1579 | next_sv = coro_deq (aTHX); |
|
|
1580 | |
|
|
1581 | /* nothing to schedule: call the idle handler */ |
|
|
1582 | if (expect_false (!next_sv)) |
|
|
1583 | { |
|
|
1584 | dSP; |
|
|
1585 | |
|
|
1586 | ENTER; |
|
|
1587 | SAVETMPS; |
|
|
1588 | |
|
|
1589 | PUSHMARK (SP); |
|
|
1590 | PUTBACK; |
|
|
1591 | call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD); |
|
|
1592 | |
|
|
1593 | FREETMPS; |
|
|
1594 | LEAVE; |
|
|
1595 | continue; |
|
|
1596 | } |
|
|
1597 | |
|
|
1598 | ta->next = SvSTATE_hv (next_sv); |
|
|
1599 | |
|
|
1600 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1601 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
|
|
1602 | { |
|
|
1603 | SvREFCNT_dec (next_sv); |
|
|
1604 | /* coro_nready has already been taken care of by destroy */ |
|
|
1605 | continue; |
|
|
1606 | } |
|
|
1607 | |
|
|
1608 | --coro_nready; |
|
|
1609 | break; |
|
|
1610 | } |
|
|
1611 | |
|
|
1612 | /* free this only after the transfer */ |
|
|
1613 | prev_sv = SvRV (coro_current); |
1800 | SV *prev_sv = SvRV (coro_current); |
|
|
1801 | |
1614 | ta->prev = SvSTATE_hv (prev_sv); |
1802 | ta->prev = SvSTATE_hv (prev_sv); |
|
|
1803 | ta->next = next; |
|
|
1804 | |
1615 | TRANSFER_CHECK (*ta); |
1805 | TRANSFER_CHECK (*ta); |
1616 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
1806 | |
1617 | ta->next->flags &= ~CF_READY; |
|
|
1618 | SvRV_set (coro_current, next_sv); |
1807 | SvRV_set (coro_current, (SV *)next->hv); |
1619 | |
1808 | |
1620 | free_coro_mortal (aTHX); |
1809 | free_coro_mortal (aTHX); |
1621 | coro_mortal = prev_sv; |
1810 | coro_mortal = prev_sv; |
1622 | } |
1811 | } |
1623 | |
1812 | |
|
|
1813 | static void |
|
|
1814 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
|
|
1815 | { |
|
|
1816 | for (;;) |
|
|
1817 | { |
|
|
1818 | struct coro *next = coro_deq (aTHX); |
|
|
1819 | |
|
|
1820 | if (expect_true (next)) |
|
|
1821 | { |
|
|
1822 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1823 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
|
|
1824 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
|
|
1825 | else |
|
|
1826 | { |
|
|
1827 | next->flags &= ~CF_READY; |
|
|
1828 | --coro_nready; |
|
|
1829 | |
|
|
1830 | prepare_schedule_to (aTHX_ ta, next); |
|
|
1831 | break; |
|
|
1832 | } |
|
|
1833 | } |
|
|
1834 | else |
|
|
1835 | { |
|
|
1836 | /* nothing to schedule: call the idle handler */ |
|
|
1837 | if (SvROK (sv_idle) |
|
|
1838 | && SvOBJECT (SvRV (sv_idle))) |
|
|
1839 | { |
|
|
1840 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
|
|
1841 | api_ready (aTHX_ SvRV (sv_idle)); |
|
|
1842 | --coro_nready; |
|
|
1843 | } |
|
|
1844 | else |
|
|
1845 | { |
|
|
1846 | dSP; |
|
|
1847 | |
|
|
1848 | ENTER; |
|
|
1849 | SAVETMPS; |
|
|
1850 | |
|
|
1851 | PUSHMARK (SP); |
|
|
1852 | PUTBACK; |
|
|
1853 | call_sv (sv_idle, G_VOID | G_DISCARD); |
|
|
1854 | |
|
|
1855 | FREETMPS; |
|
|
1856 | LEAVE; |
|
|
1857 | } |
|
|
1858 | } |
|
|
1859 | } |
|
|
1860 | } |
|
|
1861 | |
1624 | INLINE void |
1862 | INLINE void |
1625 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1863 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1626 | { |
1864 | { |
1627 | api_ready (aTHX_ coro_current); |
1865 | api_ready (aTHX_ coro_current); |
1628 | prepare_schedule (aTHX_ ta); |
1866 | prepare_schedule (aTHX_ ta); |
… | |
… | |
1647 | { |
1885 | { |
1648 | struct coro_transfer_args ta; |
1886 | struct coro_transfer_args ta; |
1649 | |
1887 | |
1650 | prepare_schedule (aTHX_ &ta); |
1888 | prepare_schedule (aTHX_ &ta); |
1651 | TRANSFER (ta, 1); |
1889 | TRANSFER (ta, 1); |
|
|
1890 | } |
|
|
1891 | |
|
|
1892 | static void |
|
|
1893 | api_schedule_to (pTHX_ SV *coro_sv) |
|
|
1894 | { |
|
|
1895 | struct coro_transfer_args ta; |
|
|
1896 | struct coro *next = SvSTATE (coro_sv); |
|
|
1897 | |
|
|
1898 | SvREFCNT_inc_NN (coro_sv); |
|
|
1899 | prepare_schedule_to (aTHX_ &ta, next); |
1652 | } |
1900 | } |
1653 | |
1901 | |
1654 | static int |
1902 | static int |
1655 | api_cede (pTHX) |
1903 | api_cede (pTHX) |
1656 | { |
1904 | { |
… | |
… | |
1685 | static void |
1933 | static void |
1686 | api_trace (pTHX_ SV *coro_sv, int flags) |
1934 | api_trace (pTHX_ SV *coro_sv, int flags) |
1687 | { |
1935 | { |
1688 | struct coro *coro = SvSTATE (coro_sv); |
1936 | struct coro *coro = SvSTATE (coro_sv); |
1689 | |
1937 | |
|
|
1938 | if (coro->flags & CF_RUNNING) |
|
|
1939 | croak ("cannot enable tracing on a running coroutine, caught"); |
|
|
1940 | |
1690 | if (flags & CC_TRACE) |
1941 | if (flags & CC_TRACE) |
1691 | { |
1942 | { |
1692 | if (!coro->cctx) |
1943 | if (!coro->cctx) |
1693 | coro->cctx = cctx_new_run (); |
1944 | coro->cctx = cctx_new_run (); |
1694 | else if (!(coro->cctx->flags & CC_TRACE)) |
1945 | else if (!(coro->cctx->flags & CC_TRACE)) |
1695 | croak ("cannot enable tracing on coroutine with custom stack,"); |
1946 | croak ("cannot enable tracing on coroutine with custom stack, caught"); |
1696 | |
1947 | |
1697 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1948 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1698 | } |
1949 | } |
1699 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1950 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1700 | { |
1951 | { |
… | |
… | |
1703 | if (coro->flags & CF_RUNNING) |
1954 | if (coro->flags & CF_RUNNING) |
1704 | PL_runops = RUNOPS_DEFAULT; |
1955 | PL_runops = RUNOPS_DEFAULT; |
1705 | else |
1956 | else |
1706 | coro->slot->runops = RUNOPS_DEFAULT; |
1957 | coro->slot->runops = RUNOPS_DEFAULT; |
1707 | } |
1958 | } |
|
|
1959 | } |
|
|
1960 | |
|
|
1961 | static void |
|
|
1962 | coro_call_on_destroy (pTHX_ struct coro *coro) |
|
|
1963 | { |
|
|
1964 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
|
|
1965 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1966 | |
|
|
1967 | if (on_destroyp) |
|
|
1968 | { |
|
|
1969 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1970 | |
|
|
1971 | while (AvFILLp (on_destroy) >= 0) |
|
|
1972 | { |
|
|
1973 | dSP; /* don't disturb outer sp */ |
|
|
1974 | SV *cb = av_pop (on_destroy); |
|
|
1975 | |
|
|
1976 | PUSHMARK (SP); |
|
|
1977 | |
|
|
1978 | if (statusp) |
|
|
1979 | { |
|
|
1980 | int i; |
|
|
1981 | AV *status = (AV *)SvRV (*statusp); |
|
|
1982 | EXTEND (SP, AvFILLp (status) + 1); |
|
|
1983 | |
|
|
1984 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1985 | PUSHs (AvARRAY (status)[i]); |
|
|
1986 | } |
|
|
1987 | |
|
|
1988 | PUTBACK; |
|
|
1989 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
|
|
1990 | } |
|
|
1991 | } |
|
|
1992 | } |
|
|
1993 | |
|
|
1994 | static void |
|
|
1995 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1996 | { |
|
|
1997 | int i; |
|
|
1998 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1999 | AV *av = newAV (); |
|
|
2000 | |
|
|
2001 | av_extend (av, items - 1); |
|
|
2002 | for (i = 0; i < items; ++i) |
|
|
2003 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2004 | |
|
|
2005 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
2006 | |
|
|
2007 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
|
|
2008 | api_ready (aTHX_ sv_manager); |
|
|
2009 | |
|
|
2010 | frame->prepare = prepare_schedule; |
|
|
2011 | frame->check = slf_check_repeat; |
|
|
2012 | |
|
|
2013 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
2014 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
2015 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2016 | } |
|
|
2017 | |
|
|
2018 | /*****************************************************************************/ |
|
|
2019 | /* async pool handler */ |
|
|
2020 | |
|
|
2021 | static int |
|
|
2022 | slf_check_pool_handler (pTHX_ struct CoroSLF *frame) |
|
|
2023 | { |
|
|
2024 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2025 | struct coro *coro = (struct coro *)frame->data; |
|
|
2026 | |
|
|
2027 | if (!coro->invoke_cb) |
|
|
2028 | return 1; /* loop till we have invoke */ |
|
|
2029 | else |
|
|
2030 | { |
|
|
2031 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2032 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
2033 | |
|
|
2034 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
2035 | |
|
|
2036 | { |
|
|
2037 | dSP; |
|
|
2038 | XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0; |
|
|
2039 | PUTBACK; |
|
|
2040 | } |
|
|
2041 | |
|
|
2042 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
2043 | GvAV (PL_defgv) = coro->invoke_av; |
|
|
2044 | coro->invoke_av = 0; |
|
|
2045 | |
|
|
2046 | return 0; |
|
|
2047 | } |
|
|
2048 | } |
|
|
2049 | |
|
|
2050 | static void |
|
|
2051 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2052 | { |
|
|
2053 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2054 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
2055 | |
|
|
2056 | if (expect_true (coro->saved_deffh)) |
|
|
2057 | { |
|
|
2058 | /* subsequent iteration */ |
|
|
2059 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
2060 | coro->saved_deffh = 0; |
|
|
2061 | |
|
|
2062 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
2063 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2064 | { |
|
|
2065 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
|
|
2066 | coro->invoke_av = newAV (); |
|
|
2067 | |
|
|
2068 | frame->prepare = prepare_nop; |
|
|
2069 | } |
|
|
2070 | else |
|
|
2071 | { |
|
|
2072 | av_clear (GvAV (PL_defgv)); |
|
|
2073 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
|
|
2074 | |
|
|
2075 | coro->prio = 0; |
|
|
2076 | |
|
|
2077 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
2078 | api_trace (aTHX_ coro_current, 0); |
|
|
2079 | |
|
|
2080 | frame->prepare = prepare_schedule; |
|
|
2081 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
|
|
2082 | } |
|
|
2083 | } |
|
|
2084 | else |
|
|
2085 | { |
|
|
2086 | /* first iteration, simply fall through */ |
|
|
2087 | frame->prepare = prepare_nop; |
|
|
2088 | } |
|
|
2089 | |
|
|
2090 | frame->check = slf_check_pool_handler; |
|
|
2091 | frame->data = (void *)coro; |
|
|
2092 | } |
|
|
2093 | |
|
|
2094 | /*****************************************************************************/ |
|
|
2095 | /* rouse callback */ |
|
|
2096 | |
|
|
2097 | #define CORO_MAGIC_type_rouse PERL_MAGIC_ext |
|
|
2098 | |
|
|
2099 | static void |
|
|
2100 | coro_rouse_callback (pTHX_ CV *cv) |
|
|
2101 | { |
|
|
2102 | dXSARGS; |
|
|
2103 | SV *data = (SV *)GENSUB_ARG; |
|
|
2104 | |
|
|
2105 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
2106 | { |
|
|
2107 | /* first call, set args */ |
|
|
2108 | SV *coro = SvRV (data); |
|
|
2109 | AV *av = newAV (); |
|
|
2110 | |
|
|
2111 | SvRV_set (data, (SV *)av); |
|
|
2112 | |
|
|
2113 | /* better take a full copy of the arguments */ |
|
|
2114 | while (items--) |
|
|
2115 | av_store (av, items, newSVsv (ST (items))); |
|
|
2116 | |
|
|
2117 | api_ready (aTHX_ coro); |
|
|
2118 | SvREFCNT_dec (coro); |
|
|
2119 | } |
|
|
2120 | |
|
|
2121 | XSRETURN_EMPTY; |
|
|
2122 | } |
|
|
2123 | |
|
|
2124 | static int |
|
|
2125 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
|
|
2126 | { |
|
|
2127 | SV *data = (SV *)frame->data; |
|
|
2128 | |
|
|
2129 | if (CORO_THROW) |
|
|
2130 | return 0; |
|
|
2131 | |
|
|
2132 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
2133 | return 1; |
|
|
2134 | |
|
|
2135 | /* now push all results on the stack */ |
|
|
2136 | { |
|
|
2137 | dSP; |
|
|
2138 | AV *av = (AV *)SvRV (data); |
|
|
2139 | int i; |
|
|
2140 | |
|
|
2141 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2142 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2143 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
|
|
2144 | |
|
|
2145 | /* we have stolen the elements, so set length to zero and free */ |
|
|
2146 | AvFILLp (av) = -1; |
|
|
2147 | av_undef (av); |
|
|
2148 | |
|
|
2149 | PUTBACK; |
|
|
2150 | } |
|
|
2151 | |
|
|
2152 | return 0; |
|
|
2153 | } |
|
|
2154 | |
|
|
2155 | static void |
|
|
2156 | slf_init_rouse_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2157 | { |
|
|
2158 | SV *cb; |
|
|
2159 | |
|
|
2160 | if (items) |
|
|
2161 | cb = arg [0]; |
|
|
2162 | else |
|
|
2163 | { |
|
|
2164 | struct coro *coro = SvSTATE_current; |
|
|
2165 | |
|
|
2166 | if (!coro->rouse_cb) |
|
|
2167 | croak ("Coro::rouse_wait called without rouse callback, and no default rouse callback found either,"); |
|
|
2168 | |
|
|
2169 | cb = sv_2mortal (coro->rouse_cb); |
|
|
2170 | coro->rouse_cb = 0; |
|
|
2171 | } |
|
|
2172 | |
|
|
2173 | if (!SvROK (cb) |
|
|
2174 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
|
|
2175 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
|
|
2176 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
|
|
2177 | |
|
|
2178 | { |
|
|
2179 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
|
|
2180 | SV *data = (SV *)GENSUB_ARG; |
|
|
2181 | |
|
|
2182 | frame->data = (void *)data; |
|
|
2183 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
|
|
2184 | frame->check = slf_check_rouse_wait; |
|
|
2185 | } |
|
|
2186 | } |
|
|
2187 | |
|
|
2188 | static SV * |
|
|
2189 | coro_new_rouse_cb (pTHX) |
|
|
2190 | { |
|
|
2191 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2192 | struct coro *coro = SvSTATE_hv (hv); |
|
|
2193 | SV *data = newRV_inc ((SV *)hv); |
|
|
2194 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
|
|
2195 | |
|
|
2196 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
|
|
2197 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
|
|
2198 | |
|
|
2199 | SvREFCNT_dec (coro->rouse_cb); |
|
|
2200 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
|
|
2201 | |
|
|
2202 | return cb; |
1708 | } |
2203 | } |
1709 | |
2204 | |
1710 | /*****************************************************************************/ |
2205 | /*****************************************************************************/ |
1711 | /* schedule-like-function opcode (SLF) */ |
2206 | /* schedule-like-function opcode (SLF) */ |
1712 | |
2207 | |
… | |
… | |
1759 | static void |
2254 | static void |
1760 | slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2255 | slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1761 | { |
2256 | { |
1762 | frame->prepare = prepare_schedule; |
2257 | frame->prepare = prepare_schedule; |
1763 | frame->check = slf_check_nop; |
2258 | frame->check = slf_check_nop; |
|
|
2259 | } |
|
|
2260 | |
|
|
2261 | static void |
|
|
2262 | slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta) |
|
|
2263 | { |
|
|
2264 | struct coro *next = (struct coro *)slf_frame.data; |
|
|
2265 | |
|
|
2266 | SvREFCNT_inc_NN (next->hv); |
|
|
2267 | prepare_schedule_to (aTHX_ ta, next); |
|
|
2268 | } |
|
|
2269 | |
|
|
2270 | static void |
|
|
2271 | slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2272 | { |
|
|
2273 | if (!items) |
|
|
2274 | croak ("Coro::schedule_to expects a coroutine argument, caught"); |
|
|
2275 | |
|
|
2276 | frame->data = (void *)SvSTATE (arg [0]); |
|
|
2277 | frame->prepare = slf_prepare_schedule_to; |
|
|
2278 | frame->check = slf_check_nop; |
|
|
2279 | } |
|
|
2280 | |
|
|
2281 | static void |
|
|
2282 | slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2283 | { |
|
|
2284 | api_ready (aTHX_ SvRV (coro_current)); |
|
|
2285 | |
|
|
2286 | slf_init_schedule_to (aTHX_ frame, cv, arg, items); |
1764 | } |
2287 | } |
1765 | |
2288 | |
1766 | static void |
2289 | static void |
1767 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2290 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1768 | { |
2291 | { |
… | |
… | |
1914 | } |
2437 | } |
1915 | else |
2438 | else |
1916 | slf_argc = 0; |
2439 | slf_argc = 0; |
1917 | |
2440 | |
1918 | PL_op->op_ppaddr = pp_slf; |
2441 | PL_op->op_ppaddr = pp_slf; |
1919 | PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */ |
2442 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
1920 | |
2443 | |
1921 | PL_op = (OP *)&slf_restore; |
2444 | PL_op = (OP *)&slf_restore; |
|
|
2445 | } |
|
|
2446 | |
|
|
2447 | /*****************************************************************************/ |
|
|
2448 | /* dynamic wind */ |
|
|
2449 | |
|
|
2450 | static void |
|
|
2451 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2452 | { |
|
|
2453 | dSP; |
|
|
2454 | |
|
|
2455 | PUSHSTACK; |
|
|
2456 | |
|
|
2457 | PUSHMARK (SP); |
|
|
2458 | PUTBACK; |
|
|
2459 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2460 | SPAGAIN; |
|
|
2461 | |
|
|
2462 | POPSTACK; |
|
|
2463 | } |
|
|
2464 | |
|
|
2465 | static SV * |
|
|
2466 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2467 | { |
|
|
2468 | AV *av = *avp; |
|
|
2469 | SV *res = av_pop (av); |
|
|
2470 | |
|
|
2471 | if (AvFILLp (av) < 0) |
|
|
2472 | { |
|
|
2473 | *avp = 0; |
|
|
2474 | SvREFCNT_dec (av); |
|
|
2475 | } |
|
|
2476 | |
|
|
2477 | return res; |
|
|
2478 | } |
|
|
2479 | |
|
|
2480 | static void |
|
|
2481 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2482 | { |
|
|
2483 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2484 | SvREFCNT_dec (cb); |
|
|
2485 | } |
|
|
2486 | |
|
|
2487 | static void |
|
|
2488 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2489 | { |
|
|
2490 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2491 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
1922 | } |
2492 | } |
1923 | |
2493 | |
1924 | /*****************************************************************************/ |
2494 | /*****************************************************************************/ |
1925 | /* PerlIO::cede */ |
2495 | /* PerlIO::cede */ |
1926 | |
2496 | |
… | |
… | |
1995 | PerlIOBuf_get_cnt, |
2565 | PerlIOBuf_get_cnt, |
1996 | PerlIOBuf_set_ptrcnt, |
2566 | PerlIOBuf_set_ptrcnt, |
1997 | }; |
2567 | }; |
1998 | |
2568 | |
1999 | /*****************************************************************************/ |
2569 | /*****************************************************************************/ |
|
|
2570 | /* Coro::Semaphore & Coro::Signal */ |
|
|
2571 | |
|
|
2572 | static SV * |
|
|
2573 | coro_waitarray_new (pTHX_ int count) |
|
|
2574 | { |
|
|
2575 | /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
|
|
2576 | AV *av = newAV (); |
|
|
2577 | SV **ary; |
|
|
2578 | |
|
|
2579 | /* unfortunately, building manually saves memory */ |
|
|
2580 | Newx (ary, 2, SV *); |
|
|
2581 | AvALLOC (av) = ary; |
|
|
2582 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
2583 | AvARRAY (av) = ary; |
|
|
2584 | #else |
|
|
2585 | /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */ |
|
|
2586 | /* -DDEBUGGING flags this as a bug, despite it perfectly working */ |
|
|
2587 | SvPVX ((SV *)av) = (char *)ary; |
|
|
2588 | #endif |
|
|
2589 | AvMAX (av) = 1; |
|
|
2590 | AvFILLp (av) = 0; |
|
|
2591 | ary [0] = newSViv (count); |
|
|
2592 | |
|
|
2593 | return newRV_noinc ((SV *)av); |
|
|
2594 | } |
|
|
2595 | |
2000 | /* Coro::Semaphore */ |
2596 | /* semaphore */ |
2001 | |
2597 | |
2002 | static void |
2598 | static void |
2003 | coro_semaphore_adjust (pTHX_ AV *av, IV adjust) |
2599 | coro_semaphore_adjust (pTHX_ AV *av, IV adjust) |
2004 | { |
2600 | { |
2005 | SV *count_sv = AvARRAY (av)[0]; |
2601 | SV *count_sv = AvARRAY (av)[0]; |
… | |
… | |
2017 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2613 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2018 | AvARRAY (av)[1] = count_sv; |
2614 | AvARRAY (av)[1] = count_sv; |
2019 | cb = av_shift (av); |
2615 | cb = av_shift (av); |
2020 | |
2616 | |
2021 | if (SvOBJECT (cb)) |
2617 | if (SvOBJECT (cb)) |
|
|
2618 | { |
2022 | api_ready (aTHX_ cb); |
2619 | api_ready (aTHX_ cb); |
2023 | else |
2620 | --count; |
2024 | croak ("callbacks not yet supported"); |
2621 | } |
|
|
2622 | else if (SvTYPE (cb) == SVt_PVCV) |
|
|
2623 | { |
|
|
2624 | dSP; |
|
|
2625 | PUSHMARK (SP); |
|
|
2626 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
2627 | PUTBACK; |
|
|
2628 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
2629 | } |
2025 | |
2630 | |
2026 | SvREFCNT_dec (cb); |
2631 | SvREFCNT_dec (cb); |
2027 | |
|
|
2028 | --count; |
|
|
2029 | } |
2632 | } |
2030 | } |
2633 | } |
2031 | |
2634 | |
2032 | static void |
2635 | static void |
2033 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2636 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
… | |
… | |
2115 | } |
2718 | } |
2116 | |
2719 | |
2117 | static void |
2720 | static void |
2118 | slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2721 | slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2119 | { |
2722 | { |
|
|
2723 | if (items >= 2) |
|
|
2724 | { |
|
|
2725 | /* callback form */ |
|
|
2726 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2727 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
|
|
2728 | |
|
|
2729 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
2730 | |
|
|
2731 | if (SvIVX (AvARRAY (av)[0]) > 0) |
|
|
2732 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2733 | |
|
|
2734 | frame->prepare = prepare_nop; |
|
|
2735 | frame->check = slf_check_nop; |
|
|
2736 | } |
|
|
2737 | else |
|
|
2738 | { |
2120 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
2739 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
2121 | frame->check = slf_check_semaphore_wait; |
2740 | frame->check = slf_check_semaphore_wait; |
|
|
2741 | } |
2122 | } |
2742 | } |
2123 | |
2743 | |
2124 | /*****************************************************************************/ |
2744 | /* signal */ |
2125 | /* gensub: simple closure generation utility */ |
|
|
2126 | |
2745 | |
2127 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
2746 | static void |
2128 | |
2747 | coro_signal_wake (pTHX_ AV *av, int count) |
2129 | /* create a closure from XS, returns a code reference */ |
|
|
2130 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
2131 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
2132 | static SV * |
|
|
2133 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
2134 | { |
2748 | { |
2135 | CV *cv = (CV *)newSV (0); |
2749 | SvIVX (AvARRAY (av)[0]) = 0; |
2136 | |
2750 | |
2137 | sv_upgrade ((SV *)cv, SVt_PVCV); |
2751 | /* now signal count waiters */ |
|
|
2752 | while (count > 0 && AvFILLp (av) > 0) |
|
|
2753 | { |
|
|
2754 | SV *cb; |
2138 | |
2755 | |
2139 | CvANON_on (cv); |
2756 | /* swap first two elements so we can shift a waiter */ |
2140 | CvISXSUB_on (cv); |
2757 | cb = AvARRAY (av)[0]; |
2141 | CvXSUB (cv) = xsub; |
2758 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2142 | GENSUB_ARG = arg; |
2759 | AvARRAY (av)[1] = cb; |
2143 | |
2760 | |
2144 | return newRV_noinc ((SV *)cv); |
2761 | cb = av_shift (av); |
|
|
2762 | |
|
|
2763 | if (SvTYPE (cb) == SVt_PVCV) |
|
|
2764 | { |
|
|
2765 | dSP; |
|
|
2766 | PUSHMARK (SP); |
|
|
2767 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
2768 | PUTBACK; |
|
|
2769 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
2770 | } |
|
|
2771 | else |
|
|
2772 | { |
|
|
2773 | api_ready (aTHX_ cb); |
|
|
2774 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
2775 | } |
|
|
2776 | |
|
|
2777 | SvREFCNT_dec (cb); |
|
|
2778 | |
|
|
2779 | --count; |
|
|
2780 | } |
|
|
2781 | } |
|
|
2782 | |
|
|
2783 | static int |
|
|
2784 | slf_check_signal_wait (pTHX_ struct CoroSLF *frame) |
|
|
2785 | { |
|
|
2786 | /* if we are about to throw, also stop waiting */ |
|
|
2787 | return SvROK ((SV *)frame->data) && !CORO_THROW; |
|
|
2788 | } |
|
|
2789 | |
|
|
2790 | static void |
|
|
2791 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2792 | { |
|
|
2793 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2794 | |
|
|
2795 | if (items >= 2) |
|
|
2796 | { |
|
|
2797 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
|
|
2798 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
2799 | |
|
|
2800 | if (SvIVX (AvARRAY (av)[0])) |
|
|
2801 | coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ |
|
|
2802 | |
|
|
2803 | frame->prepare = prepare_nop; |
|
|
2804 | frame->check = slf_check_nop; |
|
|
2805 | } |
|
|
2806 | else if (SvIVX (AvARRAY (av)[0])) |
|
|
2807 | { |
|
|
2808 | SvIVX (AvARRAY (av)[0]) = 0; |
|
|
2809 | frame->prepare = prepare_nop; |
|
|
2810 | frame->check = slf_check_nop; |
|
|
2811 | } |
|
|
2812 | else |
|
|
2813 | { |
|
|
2814 | SV *waiter = newSVsv (coro_current); /* owned by signal av */ |
|
|
2815 | |
|
|
2816 | av_push (av, waiter); |
|
|
2817 | |
|
|
2818 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
|
|
2819 | frame->prepare = prepare_schedule; |
|
|
2820 | frame->check = slf_check_signal_wait; |
|
|
2821 | } |
2145 | } |
2822 | } |
2146 | |
2823 | |
2147 | /*****************************************************************************/ |
2824 | /*****************************************************************************/ |
2148 | /* Coro::AIO */ |
2825 | /* Coro::AIO */ |
2149 | |
2826 | |
… | |
… | |
2164 | dXSARGS; |
2841 | dXSARGS; |
2165 | AV *state = (AV *)GENSUB_ARG; |
2842 | AV *state = (AV *)GENSUB_ARG; |
2166 | SV *coro = av_pop (state); |
2843 | SV *coro = av_pop (state); |
2167 | SV *data_sv = newSV (sizeof (struct io_state)); |
2844 | SV *data_sv = newSV (sizeof (struct io_state)); |
2168 | |
2845 | |
2169 | av_extend (state, items); |
2846 | av_extend (state, items - 1); |
2170 | |
2847 | |
2171 | sv_upgrade (data_sv, SVt_PV); |
2848 | sv_upgrade (data_sv, SVt_PV); |
2172 | SvCUR_set (data_sv, sizeof (struct io_state)); |
2849 | SvCUR_set (data_sv, sizeof (struct io_state)); |
2173 | SvPOK_only (data_sv); |
2850 | SvPOK_only (data_sv); |
2174 | |
2851 | |
… | |
… | |
2309 | XSRETURN_EMPTY; |
2986 | XSRETURN_EMPTY; |
2310 | } |
2987 | } |
2311 | |
2988 | |
2312 | /*****************************************************************************/ |
2989 | /*****************************************************************************/ |
2313 | |
2990 | |
|
|
2991 | #if CORO_CLONE |
|
|
2992 | # include "clone.c" |
|
|
2993 | #endif |
|
|
2994 | |
2314 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2995 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2315 | |
2996 | |
2316 | PROTOTYPES: DISABLE |
2997 | PROTOTYPES: DISABLE |
2317 | |
2998 | |
2318 | BOOT: |
2999 | BOOT: |
… | |
… | |
2322 | coro_thx = PERL_GET_CONTEXT; |
3003 | coro_thx = PERL_GET_CONTEXT; |
2323 | # endif |
3004 | # endif |
2324 | #endif |
3005 | #endif |
2325 | BOOT_PAGESIZE; |
3006 | BOOT_PAGESIZE; |
2326 | |
3007 | |
|
|
3008 | cctx_current = cctx_new_empty (); |
|
|
3009 | |
2327 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3010 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2328 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3011 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2329 | |
3012 | |
2330 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3013 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2331 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3014 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
… | |
… | |
2350 | |
3033 | |
2351 | { |
3034 | { |
2352 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
3035 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
2353 | |
3036 | |
2354 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
3037 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
2355 | hv_store_ent (PL_custom_op_names, slf, |
3038 | hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0); |
2356 | newSVpv ("coro_slf", 0), 0); |
|
|
2357 | |
3039 | |
2358 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
3040 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
2359 | hv_store_ent (PL_custom_op_descs, slf, |
3041 | hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0); |
2360 | newSVpv ("coro schedule like function", 0), 0); |
|
|
2361 | } |
3042 | } |
2362 | |
3043 | |
2363 | coroapi.ver = CORO_API_VERSION; |
3044 | coroapi.ver = CORO_API_VERSION; |
2364 | coroapi.rev = CORO_API_REVISION; |
3045 | coroapi.rev = CORO_API_REVISION; |
2365 | |
3046 | |
… | |
… | |
2377 | |
3058 | |
2378 | if (!svp) croak ("Time::HiRes is required"); |
3059 | if (!svp) croak ("Time::HiRes is required"); |
2379 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
3060 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
2380 | |
3061 | |
2381 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
3062 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3063 | |
|
|
3064 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
3065 | u2time = INT2PTR (double (*)(), SvIV (*svp)); |
2382 | } |
3066 | } |
2383 | |
3067 | |
2384 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
3068 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
2385 | } |
3069 | } |
2386 | |
3070 | |
2387 | SV * |
3071 | SV * |
2388 | new (char *klass, ...) |
3072 | new (char *klass, ...) |
|
|
3073 | ALIAS: |
|
|
3074 | Coro::new = 1 |
2389 | CODE: |
3075 | CODE: |
2390 | { |
3076 | { |
2391 | struct coro *coro; |
3077 | struct coro *coro; |
2392 | MAGIC *mg; |
3078 | MAGIC *mg; |
2393 | HV *hv; |
3079 | HV *hv; |
|
|
3080 | CV *cb; |
2394 | int i; |
3081 | int i; |
|
|
3082 | |
|
|
3083 | if (items > 1) |
|
|
3084 | { |
|
|
3085 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
3086 | |
|
|
3087 | if (!ix) |
|
|
3088 | { |
|
|
3089 | if (CvISXSUB (cb)) |
|
|
3090 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3091 | |
|
|
3092 | if (!CvROOT (cb)) |
|
|
3093 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3094 | } |
|
|
3095 | } |
2395 | |
3096 | |
2396 | Newz (0, coro, 1, struct coro); |
3097 | Newz (0, coro, 1, struct coro); |
2397 | coro->args = newAV (); |
3098 | coro->args = newAV (); |
2398 | coro->flags = CF_NEW; |
3099 | coro->flags = CF_NEW; |
2399 | |
3100 | |
… | |
… | |
2404 | coro->hv = hv = newHV (); |
3105 | coro->hv = hv = newHV (); |
2405 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
3106 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
2406 | mg->mg_flags |= MGf_DUP; |
3107 | mg->mg_flags |= MGf_DUP; |
2407 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
3108 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
2408 | |
3109 | |
|
|
3110 | if (items > 1) |
|
|
3111 | { |
2409 | av_extend (coro->args, items - 1); |
3112 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
3113 | |
|
|
3114 | if (ix) |
|
|
3115 | { |
|
|
3116 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3117 | cb = cv_coro_run; |
|
|
3118 | } |
|
|
3119 | |
|
|
3120 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3121 | |
2410 | for (i = 1; i < items; i++) |
3122 | for (i = 2; i < items; i++) |
2411 | av_push (coro->args, newSVsv (ST (i))); |
3123 | av_push (coro->args, newSVsv (ST (i))); |
|
|
3124 | } |
2412 | } |
3125 | } |
2413 | OUTPUT: |
3126 | OUTPUT: |
2414 | RETVAL |
3127 | RETVAL |
2415 | |
3128 | |
2416 | void |
3129 | void |
… | |
… | |
2429 | void |
3142 | void |
2430 | _exit (int code) |
3143 | _exit (int code) |
2431 | PROTOTYPE: $ |
3144 | PROTOTYPE: $ |
2432 | CODE: |
3145 | CODE: |
2433 | _exit (code); |
3146 | _exit (code); |
|
|
3147 | |
|
|
3148 | SV * |
|
|
3149 | clone (Coro::State coro) |
|
|
3150 | CODE: |
|
|
3151 | { |
|
|
3152 | #if CORO_CLONE |
|
|
3153 | struct coro *ncoro = coro_clone (aTHX_ coro); |
|
|
3154 | MAGIC *mg; |
|
|
3155 | /* TODO: too much duplication */ |
|
|
3156 | ncoro->hv = newHV (); |
|
|
3157 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
|
|
3158 | mg->mg_flags |= MGf_DUP; |
|
|
3159 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
|
|
3160 | #else |
|
|
3161 | croak ("Coro::State->clone has not been configured into this installation of Coro, realised"); |
|
|
3162 | #endif |
|
|
3163 | } |
|
|
3164 | OUTPUT: |
|
|
3165 | RETVAL |
2434 | |
3166 | |
2435 | int |
3167 | int |
2436 | cctx_stacksize (int new_stacksize = 0) |
3168 | cctx_stacksize (int new_stacksize = 0) |
2437 | PROTOTYPE: ;$ |
3169 | PROTOTYPE: ;$ |
2438 | CODE: |
3170 | CODE: |
… | |
… | |
2488 | eval = 1 |
3220 | eval = 1 |
2489 | CODE: |
3221 | CODE: |
2490 | { |
3222 | { |
2491 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3223 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2492 | { |
3224 | { |
2493 | struct coro temp; |
3225 | struct coro *current = SvSTATE_current; |
2494 | |
3226 | |
2495 | if (!(coro->flags & CF_RUNNING)) |
3227 | if (current != coro) |
2496 | { |
3228 | { |
2497 | PUTBACK; |
3229 | PUTBACK; |
2498 | save_perl (aTHX_ &temp); |
3230 | save_perl (aTHX_ current); |
2499 | load_perl (aTHX_ coro); |
3231 | load_perl (aTHX_ coro); |
|
|
3232 | SPAGAIN; |
2500 | } |
3233 | } |
2501 | |
3234 | |
2502 | { |
|
|
2503 | dSP; |
|
|
2504 | ENTER; |
|
|
2505 | SAVETMPS; |
|
|
2506 | PUTBACK; |
|
|
2507 | PUSHSTACK; |
3235 | PUSHSTACK; |
|
|
3236 | |
2508 | PUSHMARK (SP); |
3237 | PUSHMARK (SP); |
|
|
3238 | PUTBACK; |
2509 | |
3239 | |
2510 | if (ix) |
3240 | if (ix) |
2511 | eval_sv (coderef, 0); |
3241 | eval_sv (coderef, 0); |
2512 | else |
3242 | else |
2513 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3243 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2514 | |
3244 | |
2515 | POPSTACK; |
3245 | POPSTACK; |
2516 | SPAGAIN; |
3246 | SPAGAIN; |
2517 | FREETMPS; |
|
|
2518 | LEAVE; |
|
|
2519 | PUTBACK; |
|
|
2520 | } |
|
|
2521 | |
3247 | |
2522 | if (!(coro->flags & CF_RUNNING)) |
3248 | if (current != coro) |
2523 | { |
3249 | { |
|
|
3250 | PUTBACK; |
2524 | save_perl (aTHX_ coro); |
3251 | save_perl (aTHX_ coro); |
2525 | load_perl (aTHX_ &temp); |
3252 | load_perl (aTHX_ current); |
2526 | SPAGAIN; |
3253 | SPAGAIN; |
2527 | } |
3254 | } |
2528 | } |
3255 | } |
2529 | } |
3256 | } |
2530 | |
3257 | |
… | |
… | |
2534 | ALIAS: |
3261 | ALIAS: |
2535 | is_ready = CF_READY |
3262 | is_ready = CF_READY |
2536 | is_running = CF_RUNNING |
3263 | is_running = CF_RUNNING |
2537 | is_new = CF_NEW |
3264 | is_new = CF_NEW |
2538 | is_destroyed = CF_DESTROYED |
3265 | is_destroyed = CF_DESTROYED |
|
|
3266 | is_suspended = CF_SUSPENDED |
2539 | CODE: |
3267 | CODE: |
2540 | RETVAL = boolSV (coro->flags & ix); |
3268 | RETVAL = boolSV (coro->flags & ix); |
2541 | OUTPUT: |
3269 | OUTPUT: |
2542 | RETVAL |
3270 | RETVAL |
2543 | |
3271 | |
… | |
… | |
2547 | CODE: |
3275 | CODE: |
2548 | { |
3276 | { |
2549 | struct coro *current = SvSTATE_current; |
3277 | struct coro *current = SvSTATE_current; |
2550 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3278 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
2551 | SvREFCNT_dec (*throwp); |
3279 | SvREFCNT_dec (*throwp); |
|
|
3280 | SvGETMAGIC (throw); |
2552 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3281 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
2553 | } |
3282 | } |
2554 | |
3283 | |
2555 | void |
3284 | void |
2556 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3285 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
… | |
… | |
2559 | |
3288 | |
2560 | SV * |
3289 | SV * |
2561 | has_cctx (Coro::State coro) |
3290 | has_cctx (Coro::State coro) |
2562 | PROTOTYPE: $ |
3291 | PROTOTYPE: $ |
2563 | CODE: |
3292 | CODE: |
2564 | RETVAL = boolSV (!!coro->cctx); |
3293 | /* maybe manage the running flag differently */ |
|
|
3294 | RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING)); |
2565 | OUTPUT: |
3295 | OUTPUT: |
2566 | RETVAL |
3296 | RETVAL |
2567 | |
3297 | |
2568 | int |
3298 | int |
2569 | is_traced (Coro::State coro) |
3299 | is_traced (Coro::State coro) |
… | |
… | |
2589 | |
3319 | |
2590 | void |
3320 | void |
2591 | force_cctx () |
3321 | force_cctx () |
2592 | PROTOTYPE: |
3322 | PROTOTYPE: |
2593 | CODE: |
3323 | CODE: |
2594 | SvSTATE_current->cctx->idle_sp = 0; |
3324 | cctx_current->idle_sp = 0; |
2595 | |
3325 | |
2596 | void |
3326 | void |
2597 | swap_defsv (Coro::State self) |
3327 | swap_defsv (Coro::State self) |
2598 | PROTOTYPE: $ |
3328 | PROTOTYPE: $ |
2599 | ALIAS: |
3329 | ALIAS: |
… | |
… | |
2607 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3337 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
2608 | |
3338 | |
2609 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3339 | SV *tmp = *src; *src = *dst; *dst = tmp; |
2610 | } |
3340 | } |
2611 | |
3341 | |
|
|
3342 | void |
|
|
3343 | cancel (Coro::State self) |
|
|
3344 | CODE: |
|
|
3345 | coro_state_destroy (aTHX_ self); |
|
|
3346 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3347 | |
|
|
3348 | |
|
|
3349 | SV * |
|
|
3350 | enable_times (int enabled = enable_times) |
|
|
3351 | CODE: |
|
|
3352 | { |
|
|
3353 | RETVAL = boolSV (enable_times); |
|
|
3354 | |
|
|
3355 | if (enabled != enable_times) |
|
|
3356 | { |
|
|
3357 | enable_times = enabled; |
|
|
3358 | |
|
|
3359 | coro_times_update (); |
|
|
3360 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3361 | } |
|
|
3362 | } |
|
|
3363 | OUTPUT: |
|
|
3364 | RETVAL |
|
|
3365 | |
|
|
3366 | void |
|
|
3367 | times (Coro::State self) |
|
|
3368 | PPCODE: |
|
|
3369 | { |
|
|
3370 | struct coro *current = SvSTATE (coro_current); |
|
|
3371 | |
|
|
3372 | if (expect_false (current == self)) |
|
|
3373 | { |
|
|
3374 | coro_times_update (); |
|
|
3375 | coro_times_add (SvSTATE (coro_current)); |
|
|
3376 | } |
|
|
3377 | |
|
|
3378 | EXTEND (SP, 2); |
|
|
3379 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3380 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3381 | |
|
|
3382 | if (expect_false (current == self)) |
|
|
3383 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3384 | } |
2612 | |
3385 | |
2613 | MODULE = Coro::State PACKAGE = Coro |
3386 | MODULE = Coro::State PACKAGE = Coro |
2614 | |
3387 | |
2615 | BOOT: |
3388 | BOOT: |
2616 | { |
3389 | { |
2617 | int i; |
|
|
2618 | |
|
|
2619 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2620 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3390 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
2621 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3391 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
2622 | |
3392 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
|
|
3393 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
2623 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
3394 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
2624 | SvREADONLY_on (coro_current); |
3395 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
3396 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
|
|
3397 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3398 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
|
|
3399 | |
|
|
3400 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
|
|
3401 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
|
|
3402 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
|
|
3403 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
2625 | |
3404 | |
2626 | coro_stash = gv_stashpv ("Coro", TRUE); |
3405 | coro_stash = gv_stashpv ("Coro", TRUE); |
2627 | |
3406 | |
2628 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3407 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
2629 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3408 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
2630 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3409 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
2631 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3410 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW)); |
2632 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3411 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE)); |
2633 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3412 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN)); |
2634 | |
|
|
2635 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
2636 | coro_ready[i] = newAV (); |
|
|
2637 | |
3413 | |
2638 | { |
3414 | { |
2639 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3415 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
2640 | |
3416 | |
2641 | coroapi.schedule = api_schedule; |
3417 | coroapi.schedule = api_schedule; |
|
|
3418 | coroapi.schedule_to = api_schedule_to; |
2642 | coroapi.cede = api_cede; |
3419 | coroapi.cede = api_cede; |
2643 | coroapi.cede_notself = api_cede_notself; |
3420 | coroapi.cede_notself = api_cede_notself; |
2644 | coroapi.ready = api_ready; |
3421 | coroapi.ready = api_ready; |
2645 | coroapi.is_ready = api_is_ready; |
3422 | coroapi.is_ready = api_is_ready; |
2646 | coroapi.nready = coro_nready; |
3423 | coroapi.nready = coro_nready; |
… | |
… | |
2651 | SvREADONLY_on (sv); |
3428 | SvREADONLY_on (sv); |
2652 | } |
3429 | } |
2653 | } |
3430 | } |
2654 | |
3431 | |
2655 | void |
3432 | void |
|
|
3433 | terminate (...) |
|
|
3434 | CODE: |
|
|
3435 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3436 | |
|
|
3437 | void |
2656 | schedule (...) |
3438 | schedule (...) |
2657 | CODE: |
3439 | CODE: |
2658 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3440 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
|
|
3441 | |
|
|
3442 | void |
|
|
3443 | schedule_to (...) |
|
|
3444 | CODE: |
|
|
3445 | CORO_EXECUTE_SLF_XS (slf_init_schedule_to); |
|
|
3446 | |
|
|
3447 | void |
|
|
3448 | cede_to (...) |
|
|
3449 | CODE: |
|
|
3450 | CORO_EXECUTE_SLF_XS (slf_init_cede_to); |
2659 | |
3451 | |
2660 | void |
3452 | void |
2661 | cede (...) |
3453 | cede (...) |
2662 | CODE: |
3454 | CODE: |
2663 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
3455 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
… | |
… | |
2677 | void |
3469 | void |
2678 | _set_readyhook (SV *hook) |
3470 | _set_readyhook (SV *hook) |
2679 | PROTOTYPE: $ |
3471 | PROTOTYPE: $ |
2680 | CODE: |
3472 | CODE: |
2681 | SvREFCNT_dec (coro_readyhook); |
3473 | SvREFCNT_dec (coro_readyhook); |
|
|
3474 | SvGETMAGIC (hook); |
2682 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3475 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
2683 | |
3476 | |
2684 | int |
3477 | int |
2685 | prio (Coro::State coro, int newprio = 0) |
3478 | prio (Coro::State coro, int newprio = 0) |
2686 | PROTOTYPE: $;$ |
3479 | PROTOTYPE: $;$ |
… | |
… | |
2693 | if (items > 1) |
3486 | if (items > 1) |
2694 | { |
3487 | { |
2695 | if (ix) |
3488 | if (ix) |
2696 | newprio = coro->prio - newprio; |
3489 | newprio = coro->prio - newprio; |
2697 | |
3490 | |
2698 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
3491 | if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN; |
2699 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
3492 | if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX; |
2700 | |
3493 | |
2701 | coro->prio = newprio; |
3494 | coro->prio = newprio; |
2702 | } |
3495 | } |
2703 | } |
3496 | } |
2704 | OUTPUT: |
3497 | OUTPUT: |
… | |
… | |
2718 | CODE: |
3511 | CODE: |
2719 | RETVAL = coro_nready; |
3512 | RETVAL = coro_nready; |
2720 | OUTPUT: |
3513 | OUTPUT: |
2721 | RETVAL |
3514 | RETVAL |
2722 | |
3515 | |
2723 | # for async_pool speedup |
|
|
2724 | void |
3516 | void |
2725 | _pool_1 (SV *cb) |
3517 | suspend (Coro::State self) |
|
|
3518 | PROTOTYPE: $ |
2726 | CODE: |
3519 | CODE: |
2727 | { |
3520 | self->flags |= CF_SUSPENDED; |
2728 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2729 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
2730 | AV *defav = GvAV (PL_defgv); |
|
|
2731 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
2732 | AV *invoke_av; |
|
|
2733 | int i, len; |
|
|
2734 | |
3521 | |
2735 | if (!invoke) |
3522 | void |
|
|
3523 | resume (Coro::State self) |
|
|
3524 | PROTOTYPE: $ |
|
|
3525 | CODE: |
|
|
3526 | self->flags &= ~CF_SUSPENDED; |
|
|
3527 | |
|
|
3528 | void |
|
|
3529 | _pool_handler (...) |
|
|
3530 | CODE: |
|
|
3531 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
|
|
3532 | |
|
|
3533 | void |
|
|
3534 | async_pool (SV *cv, ...) |
|
|
3535 | PROTOTYPE: &@ |
|
|
3536 | PPCODE: |
|
|
3537 | { |
|
|
3538 | HV *hv = (HV *)av_pop (av_async_pool); |
|
|
3539 | AV *av = newAV (); |
|
|
3540 | SV *cb = ST (0); |
|
|
3541 | int i; |
|
|
3542 | |
|
|
3543 | av_extend (av, items - 2); |
|
|
3544 | for (i = 1; i < items; ++i) |
|
|
3545 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
|
|
3546 | |
|
|
3547 | if ((SV *)hv == &PL_sv_undef) |
2736 | { |
3548 | { |
2737 | SV *old = PL_diehook; |
3549 | PUSHMARK (SP); |
2738 | PL_diehook = 0; |
3550 | EXTEND (SP, 2); |
2739 | SvREFCNT_dec (old); |
3551 | PUSHs (sv_Coro); |
2740 | croak ("\3async_pool terminate\2\n"); |
3552 | PUSHs ((SV *)cv_pool_handler); |
|
|
3553 | PUTBACK; |
|
|
3554 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3555 | SPAGAIN; |
|
|
3556 | |
|
|
3557 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
2741 | } |
3558 | } |
2742 | |
3559 | |
2743 | SvREFCNT_dec (coro->saved_deffh); |
|
|
2744 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
2745 | |
|
|
2746 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2747 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
2748 | |
|
|
2749 | invoke_av = (AV *)SvRV (invoke); |
|
|
2750 | len = av_len (invoke_av); |
|
|
2751 | |
|
|
2752 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
2753 | |
|
|
2754 | if (len > 0) |
|
|
2755 | { |
3560 | { |
2756 | av_fill (defav, len - 1); |
3561 | struct coro *coro = SvSTATE_hv (hv); |
2757 | for (i = 0; i < len; ++i) |
3562 | |
2758 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
3563 | assert (!coro->invoke_cb); |
|
|
3564 | assert (!coro->invoke_av); |
|
|
3565 | coro->invoke_cb = SvREFCNT_inc (cb); |
|
|
3566 | coro->invoke_av = av; |
2759 | } |
3567 | } |
|
|
3568 | |
|
|
3569 | api_ready (aTHX_ (SV *)hv); |
|
|
3570 | |
|
|
3571 | if (GIMME_V != G_VOID) |
|
|
3572 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
|
|
3573 | else |
|
|
3574 | SvREFCNT_dec (hv); |
2760 | } |
3575 | } |
|
|
3576 | |
|
|
3577 | SV * |
|
|
3578 | rouse_cb () |
|
|
3579 | PROTOTYPE: |
|
|
3580 | CODE: |
|
|
3581 | RETVAL = coro_new_rouse_cb (aTHX); |
|
|
3582 | OUTPUT: |
|
|
3583 | RETVAL |
2761 | |
3584 | |
2762 | void |
3585 | void |
2763 | _pool_2 (SV *cb) |
3586 | rouse_wait (...) |
|
|
3587 | PROTOTYPE: ;$ |
|
|
3588 | PPCODE: |
|
|
3589 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
|
|
3590 | |
|
|
3591 | void |
|
|
3592 | on_enter (SV *block) |
|
|
3593 | ALIAS: |
|
|
3594 | on_leave = 1 |
|
|
3595 | PROTOTYPE: & |
2764 | CODE: |
3596 | CODE: |
2765 | { |
3597 | { |
2766 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2767 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
3598 | struct coro *coro = SvSTATE_current; |
|
|
3599 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
2768 | |
3600 | |
2769 | sv_setsv (cb, &PL_sv_undef); |
3601 | block = (SV *)coro_sv_2cv (aTHX_ block); |
2770 | |
3602 | |
2771 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
3603 | if (!*avp) |
2772 | coro->saved_deffh = 0; |
3604 | *avp = newAV (); |
2773 | |
3605 | |
2774 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
3606 | av_push (*avp, SvREFCNT_inc (block)); |
2775 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2776 | { |
|
|
2777 | SV *old = PL_diehook; |
|
|
2778 | PL_diehook = 0; |
|
|
2779 | SvREFCNT_dec (old); |
|
|
2780 | croak ("\3async_pool terminate\2\n"); |
|
|
2781 | } |
|
|
2782 | |
3607 | |
2783 | av_clear (GvAV (PL_defgv)); |
3608 | if (!ix) |
2784 | hv_store (hv, "desc", sizeof ("desc") - 1, |
3609 | on_enterleave_call (aTHX_ block); |
2785 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
2786 | |
3610 | |
2787 | coro->prio = 0; |
3611 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
2788 | |
3612 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
2789 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
3613 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
2790 | api_trace (aTHX_ coro_current, 0); |
|
|
2791 | |
|
|
2792 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
2793 | } |
3614 | } |
2794 | |
3615 | |
2795 | |
3616 | |
2796 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3617 | MODULE = Coro::State PACKAGE = PerlIO::cede |
2797 | |
3618 | |
… | |
… | |
2800 | |
3621 | |
2801 | |
3622 | |
2802 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3623 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
2803 | |
3624 | |
2804 | SV * |
3625 | SV * |
2805 | new (SV *klass, SV *count_ = 0) |
3626 | new (SV *klass, SV *count = 0) |
2806 | CODE: |
3627 | CODE: |
2807 | { |
3628 | { |
2808 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
3629 | int semcnt = 1; |
2809 | AV *av = newAV (); |
|
|
2810 | SV **ary; |
|
|
2811 | |
3630 | |
2812 | /* unfortunately, building manually saves memory */ |
3631 | if (count) |
2813 | Newx (ary, 2, SV *); |
3632 | { |
2814 | AvALLOC (av) = ary; |
3633 | SvGETMAGIC (count); |
2815 | AvARRAY (av) = ary; |
|
|
2816 | AvMAX (av) = 1; |
|
|
2817 | AvFILLp (av) = 0; |
|
|
2818 | ary [0] = newSViv (count_ && SvOK (count_) ? SvIV (count_) : 1); |
|
|
2819 | |
3634 | |
2820 | RETVAL = sv_bless (newRV_noinc ((SV *)av), GvSTASH (CvGV (cv))); |
3635 | if (SvOK (count)) |
|
|
3636 | semcnt = SvIV (count); |
|
|
3637 | } |
|
|
3638 | |
|
|
3639 | RETVAL = sv_bless ( |
|
|
3640 | coro_waitarray_new (aTHX_ semcnt), |
|
|
3641 | GvSTASH (CvGV (cv)) |
|
|
3642 | ); |
2821 | } |
3643 | } |
|
|
3644 | OUTPUT: |
|
|
3645 | RETVAL |
|
|
3646 | |
|
|
3647 | # helper for Coro::Channel and others |
|
|
3648 | SV * |
|
|
3649 | _alloc (int count) |
|
|
3650 | CODE: |
|
|
3651 | RETVAL = coro_waitarray_new (aTHX_ count); |
2822 | OUTPUT: |
3652 | OUTPUT: |
2823 | RETVAL |
3653 | RETVAL |
2824 | |
3654 | |
2825 | SV * |
3655 | SV * |
2826 | count (SV *self) |
3656 | count (SV *self) |
… | |
… | |
2835 | adjust = 1 |
3665 | adjust = 1 |
2836 | CODE: |
3666 | CODE: |
2837 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
3667 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
2838 | |
3668 | |
2839 | void |
3669 | void |
2840 | down (SV *self) |
3670 | down (...) |
2841 | CODE: |
3671 | CODE: |
2842 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
3672 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
2843 | |
3673 | |
2844 | void |
3674 | void |
2845 | wait (SV *self) |
3675 | wait (...) |
2846 | CODE: |
3676 | CODE: |
2847 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait); |
3677 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait); |
2848 | |
3678 | |
2849 | void |
3679 | void |
2850 | try (SV *self) |
3680 | try (SV *self) |
… | |
… | |
2864 | XSRETURN_NO; |
3694 | XSRETURN_NO; |
2865 | } |
3695 | } |
2866 | |
3696 | |
2867 | void |
3697 | void |
2868 | waiters (SV *self) |
3698 | waiters (SV *self) |
2869 | CODE: |
3699 | PPCODE: |
2870 | { |
3700 | { |
2871 | AV *av = (AV *)SvRV (self); |
3701 | AV *av = (AV *)SvRV (self); |
|
|
3702 | int wcount = AvFILLp (av) + 1 - 1; |
2872 | |
3703 | |
2873 | if (GIMME_V == G_SCALAR) |
3704 | if (GIMME_V == G_SCALAR) |
2874 | XPUSHs (sv_2mortal (newSVsv (AvARRAY (av)[0]))); |
3705 | XPUSHs (sv_2mortal (newSViv (wcount))); |
2875 | else |
3706 | else |
2876 | { |
3707 | { |
2877 | int i; |
3708 | int i; |
2878 | EXTEND (SP, AvFILLp (av) + 1 - 1); |
3709 | EXTEND (SP, wcount); |
2879 | for (i = 1; i <= AvFILLp (av); ++i) |
3710 | for (i = 1; i <= wcount; ++i) |
2880 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3711 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
2881 | } |
3712 | } |
2882 | } |
3713 | } |
|
|
3714 | |
|
|
3715 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
3716 | |
|
|
3717 | void |
|
|
3718 | _may_delete (SV *sem, int count, int extra_refs) |
|
|
3719 | PPCODE: |
|
|
3720 | { |
|
|
3721 | AV *av = (AV *)SvRV (sem); |
|
|
3722 | |
|
|
3723 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
3724 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
3725 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
3726 | XSRETURN_YES; |
|
|
3727 | |
|
|
3728 | XSRETURN_NO; |
|
|
3729 | } |
|
|
3730 | |
|
|
3731 | MODULE = Coro::State PACKAGE = Coro::Signal |
|
|
3732 | |
|
|
3733 | SV * |
|
|
3734 | new (SV *klass) |
|
|
3735 | CODE: |
|
|
3736 | RETVAL = sv_bless ( |
|
|
3737 | coro_waitarray_new (aTHX_ 0), |
|
|
3738 | GvSTASH (CvGV (cv)) |
|
|
3739 | ); |
|
|
3740 | OUTPUT: |
|
|
3741 | RETVAL |
|
|
3742 | |
|
|
3743 | void |
|
|
3744 | wait (...) |
|
|
3745 | CODE: |
|
|
3746 | CORO_EXECUTE_SLF_XS (slf_init_signal_wait); |
|
|
3747 | |
|
|
3748 | void |
|
|
3749 | broadcast (SV *self) |
|
|
3750 | CODE: |
|
|
3751 | { |
|
|
3752 | AV *av = (AV *)SvRV (self); |
|
|
3753 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
|
|
3754 | } |
|
|
3755 | |
|
|
3756 | void |
|
|
3757 | send (SV *self) |
|
|
3758 | CODE: |
|
|
3759 | { |
|
|
3760 | AV *av = (AV *)SvRV (self); |
|
|
3761 | |
|
|
3762 | if (AvFILLp (av)) |
|
|
3763 | coro_signal_wake (aTHX_ av, 1); |
|
|
3764 | else |
|
|
3765 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
|
|
3766 | } |
|
|
3767 | |
|
|
3768 | IV |
|
|
3769 | awaited (SV *self) |
|
|
3770 | CODE: |
|
|
3771 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
|
|
3772 | OUTPUT: |
|
|
3773 | RETVAL |
2883 | |
3774 | |
2884 | |
3775 | |
2885 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
3776 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
2886 | |
3777 | |
2887 | BOOT: |
3778 | BOOT: |
… | |
… | |
2915 | |
3806 | |
2916 | void |
3807 | void |
2917 | _register (char *target, char *proto, SV *req) |
3808 | _register (char *target, char *proto, SV *req) |
2918 | CODE: |
3809 | CODE: |
2919 | { |
3810 | { |
2920 | HV *st; |
3811 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
2921 | GV *gvp; |
|
|
2922 | CV *req_cv = sv_2cv (req, &st, &gvp, 0); |
|
|
2923 | /* newXSproto doesn't return the CV on 5.8 */ |
3812 | /* newXSproto doesn't return the CV on 5.8 */ |
2924 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3813 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
2925 | sv_setpv ((SV *)slf_cv, proto); |
3814 | sv_setpv ((SV *)slf_cv, proto); |
2926 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3815 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
2927 | } |
3816 | } |