1 | #include "libcoro/coro.c" |
1 | #include "libcoro/coro.c" |
2 | |
2 | |
3 | #define PERL_NO_GET_CONTEXT |
3 | #define PERL_NO_GET_CONTEXT |
|
|
4 | #define PERL_EXT |
4 | |
5 | |
5 | #include "EXTERN.h" |
6 | #include "EXTERN.h" |
6 | #include "perl.h" |
7 | #include "perl.h" |
7 | #include "XSUB.h" |
8 | #include "XSUB.h" |
|
|
9 | #include "perliol.h" |
8 | |
10 | |
9 | #include "patchlevel.h" |
11 | #include "patchlevel.h" |
10 | |
12 | |
11 | #include <stdio.h> |
13 | #include <stdio.h> |
12 | #include <errno.h> |
14 | #include <errno.h> |
13 | #include <assert.h> |
15 | #include <assert.h> |
|
|
16 | |
|
|
17 | #ifdef WIN32 |
|
|
18 | # undef setjmp |
|
|
19 | # undef longjmp |
|
|
20 | # undef _exit |
|
|
21 | # define setjmp _setjmp // deep magic, don't ask |
|
|
22 | #else |
|
|
23 | # include <inttypes.h> /* most portable stdint.h */ |
|
|
24 | #endif |
14 | |
25 | |
15 | #ifdef HAVE_MMAP |
26 | #ifdef HAVE_MMAP |
16 | # include <unistd.h> |
27 | # include <unistd.h> |
17 | # include <sys/mman.h> |
28 | # include <sys/mman.h> |
18 | # ifndef MAP_ANONYMOUS |
29 | # ifndef MAP_ANONYMOUS |
… | |
… | |
70 | # ifndef IS_PADCONST |
81 | # ifndef IS_PADCONST |
71 | # define IS_PADCONST(v) 0 |
82 | # define IS_PADCONST(v) 0 |
72 | # endif |
83 | # endif |
73 | #endif |
84 | #endif |
74 | |
85 | |
|
|
86 | /* 5.8.8 */ |
|
|
87 | #ifndef GV_NOTQUAL |
|
|
88 | # define GV_NOTQUAL 0 |
|
|
89 | #endif |
|
|
90 | #ifndef newSV |
|
|
91 | # define newSV(l) NEWSV(0,l) |
|
|
92 | #endif |
|
|
93 | |
|
|
94 | /* 5.11 */ |
|
|
95 | #ifndef CxHASARGS |
|
|
96 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
|
|
97 | #endif |
|
|
98 | |
75 | /* 5.8.7 */ |
99 | /* 5.8.7 */ |
76 | #ifndef SvRV_set |
100 | #ifndef SvRV_set |
77 | # define SvRV_set(s,v) SvRV(s) = (v) |
101 | # define SvRV_set(s,v) SvRV(s) = (v) |
78 | #endif |
|
|
79 | |
|
|
80 | /* 5.8.8 */ |
|
|
81 | #ifndef GV_NOTQUAL |
|
|
82 | # define GV_NOTQUAL 0 |
|
|
83 | #endif |
|
|
84 | #ifndef newSV |
|
|
85 | # define newSV(l) NEWSV(0,l) |
|
|
86 | #endif |
102 | #endif |
87 | |
103 | |
88 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
104 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
89 | # undef CORO_STACKGUARD |
105 | # undef CORO_STACKGUARD |
90 | #endif |
106 | #endif |
… | |
… | |
138 | I32 laststype; |
154 | I32 laststype; |
139 | int laststatval; |
155 | int laststatval; |
140 | Stat_t statcache; |
156 | Stat_t statcache; |
141 | }; |
157 | }; |
142 | |
158 | |
|
|
159 | static double (*nvtime)(); /* so why doesn't it take void? */ |
|
|
160 | |
143 | static size_t coro_stacksize = CORO_STACKSIZE; |
161 | static size_t coro_stacksize = CORO_STACKSIZE; |
144 | static struct CoroAPI coroapi; |
162 | static struct CoroAPI coroapi; |
145 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
163 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
146 | static JMPENV *main_top_env; |
164 | static JMPENV *main_top_env; |
147 | static HV *coro_state_stash, *coro_stash; |
165 | static HV *coro_state_stash, *coro_stash; |
148 | static SV *coro_mortal; /* will be freed after next transfer */ |
166 | static volatile SV *coro_mortal; /* will be freed after next transfer */ |
149 | |
167 | |
150 | static GV *irsgv; /* $/ */ |
168 | static GV *irsgv; /* $/ */ |
151 | static GV *stdoutgv; /* *STDOUT */ |
169 | static GV *stdoutgv; /* *STDOUT */ |
|
|
170 | static SV *rv_diehook; |
|
|
171 | static SV *rv_warnhook; |
|
|
172 | static HV *hv_sig; /* %SIG */ |
152 | |
173 | |
153 | /* async_pool helper stuff */ |
174 | /* async_pool helper stuff */ |
154 | static SV *sv_pool_rss; |
175 | static SV *sv_pool_rss; |
155 | static SV *sv_pool_size; |
176 | static SV *sv_pool_size; |
156 | static AV *av_async_pool; |
177 | static AV *av_async_pool; |
|
|
178 | |
|
|
179 | /* Coro::AnyEvent */ |
|
|
180 | static SV *sv_activity; |
157 | |
181 | |
158 | static struct coro_cctx *cctx_first; |
182 | static struct coro_cctx *cctx_first; |
159 | static int cctx_count, cctx_idle; |
183 | static int cctx_count, cctx_idle; |
160 | |
184 | |
161 | enum { |
185 | enum { |
… | |
… | |
192 | CF_READY = 0x0002, /* coroutine is ready */ |
216 | CF_READY = 0x0002, /* coroutine is ready */ |
193 | CF_NEW = 0x0004, /* has never been switched to */ |
217 | CF_NEW = 0x0004, /* has never been switched to */ |
194 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
218 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
195 | }; |
219 | }; |
196 | |
220 | |
|
|
221 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
|
|
222 | typedef struct { |
|
|
223 | SV *defsv; |
|
|
224 | AV *defav; |
|
|
225 | SV *errsv; |
|
|
226 | SV *irsgv; |
|
|
227 | #define VAR(name,type) type name; |
|
|
228 | # include "state.h" |
|
|
229 | #undef VAR |
|
|
230 | } perl_slots; |
|
|
231 | |
|
|
232 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
|
|
233 | |
197 | /* this is a structure representing a perl-level coroutine */ |
234 | /* this is a structure representing a perl-level coroutine */ |
198 | struct coro { |
235 | struct coro { |
199 | /* the c coroutine allocated to this perl coroutine, if any */ |
236 | /* the c coroutine allocated to this perl coroutine, if any */ |
200 | coro_cctx *cctx; |
237 | coro_cctx *cctx; |
201 | |
238 | |
|
|
239 | /* process data */ |
|
|
240 | AV *mainstack; |
|
|
241 | perl_slots *slot; /* basically the saved sp */ |
|
|
242 | |
202 | /* data associated with this coroutine (initial args) */ |
243 | AV *args; /* data associated with this coroutine (initial args) */ |
203 | AV *args; |
244 | int refcnt; /* coroutines are refcounted, yes */ |
204 | int refcnt; |
|
|
205 | int flags; /* CF_ flags */ |
245 | int flags; /* CF_ flags */ |
206 | |
246 | HV *hv; /* the perl hash associated with this coro, if any */ |
207 | /* optionally saved, might be zero */ |
|
|
208 | AV *defav; /* @_ */ |
|
|
209 | SV *defsv; /* $_ */ |
|
|
210 | SV *errsv; /* $@ */ |
|
|
211 | SV *deffh; /* default filehandle */ |
|
|
212 | SV *irssv; /* $/ */ |
|
|
213 | SV *irssv_sv; /* real $/ cache */ |
|
|
214 | |
|
|
215 | #define VAR(name,type) type name; |
|
|
216 | # include "state.h" |
|
|
217 | #undef VAR |
|
|
218 | |
247 | |
219 | /* statistics */ |
248 | /* statistics */ |
220 | int usecount; /* number of transfers to this coro */ |
249 | int usecount; /* number of transfers to this coro */ |
221 | |
250 | |
222 | /* coro process data */ |
251 | /* coro process data */ |
223 | int prio; |
252 | int prio; |
224 | SV *throw; |
253 | SV *throw; /* exception to be thrown */ |
225 | |
254 | |
226 | /* async_pool */ |
255 | /* async_pool */ |
227 | SV *saved_deffh; |
256 | SV *saved_deffh; |
228 | |
257 | |
229 | /* linked list */ |
258 | /* linked list */ |
230 | struct coro *next, *prev; |
259 | struct coro *next, *prev; |
231 | HV *hv; /* the perl hash associated with this coro, if any */ |
|
|
232 | }; |
260 | }; |
233 | |
261 | |
234 | typedef struct coro *Coro__State; |
262 | typedef struct coro *Coro__State; |
235 | typedef struct coro *Coro__State_or_hashref; |
263 | typedef struct coro *Coro__State_or_hashref; |
236 | |
264 | |
… | |
… | |
243 | #define PRIO_IDLE -3 |
271 | #define PRIO_IDLE -3 |
244 | #define PRIO_MIN -4 |
272 | #define PRIO_MIN -4 |
245 | |
273 | |
246 | /* for Coro.pm */ |
274 | /* for Coro.pm */ |
247 | static SV *coro_current; |
275 | static SV *coro_current; |
|
|
276 | static SV *coro_readyhook; |
248 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
277 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
249 | static int coro_nready; |
278 | static int coro_nready; |
250 | static struct coro *coro_first; |
279 | static struct coro *coro_first; |
251 | |
280 | |
252 | /** lowlevel stuff **********************************************************/ |
281 | /** lowlevel stuff **********************************************************/ |
253 | |
282 | |
|
|
283 | static SV * |
|
|
284 | coro_get_sv (pTHX_ const char *name, int create) |
|
|
285 | { |
|
|
286 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
287 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
|
|
288 | get_sv (name, create); |
|
|
289 | #endif |
|
|
290 | return get_sv (name, create); |
|
|
291 | } |
|
|
292 | |
|
|
293 | static AV * |
|
|
294 | coro_get_av (pTHX_ const char *name, int create) |
|
|
295 | { |
|
|
296 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
297 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
|
|
298 | get_av (name, create); |
|
|
299 | #endif |
|
|
300 | return get_av (name, create); |
|
|
301 | } |
|
|
302 | |
|
|
303 | static HV * |
|
|
304 | coro_get_hv (pTHX_ const char *name, int create) |
|
|
305 | { |
|
|
306 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
307 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
|
|
308 | get_hv (name, create); |
|
|
309 | #endif |
|
|
310 | return get_hv (name, create); |
|
|
311 | } |
|
|
312 | |
254 | static AV * |
313 | static AV * |
255 | coro_clone_padlist (pTHX_ CV *cv) |
314 | coro_clone_padlist (pTHX_ CV *cv) |
256 | { |
315 | { |
257 | AV *padlist = CvPADLIST (cv); |
316 | AV *padlist = CvPADLIST (cv); |
258 | AV *newpadlist, *newpad; |
317 | AV *newpadlist, *newpad; |
259 | |
318 | |
260 | newpadlist = newAV (); |
319 | newpadlist = newAV (); |
261 | AvREAL_off (newpadlist); |
320 | AvREAL_off (newpadlist); |
262 | #if PERL_VERSION_ATLEAST (5,9,0) |
321 | #if PERL_VERSION_ATLEAST (5,10,0) |
263 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
322 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
264 | #else |
323 | #else |
265 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
324 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
266 | #endif |
325 | #endif |
267 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
326 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
… | |
… | |
305 | |
364 | |
306 | /* casting is fun. */ |
365 | /* casting is fun. */ |
307 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
366 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
308 | free_padlist (aTHX_ padlist); |
367 | free_padlist (aTHX_ padlist); |
309 | |
368 | |
310 | SvREFCNT_dec (av); |
369 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
311 | |
370 | |
312 | return 0; |
371 | return 0; |
313 | } |
372 | } |
314 | |
373 | |
315 | #define PERL_MAGIC_coro PERL_MAGIC_ext |
374 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
|
|
375 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
316 | |
376 | |
317 | static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; |
377 | static MGVTBL coro_cv_vtbl = { |
|
|
378 | 0, 0, 0, 0, |
|
|
379 | coro_cv_free |
|
|
380 | }; |
318 | |
381 | |
319 | #define CORO_MAGIC(cv) \ |
382 | #define CORO_MAGIC(sv,type) \ |
320 | SvMAGIC (cv) \ |
383 | SvMAGIC (sv) \ |
321 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
384 | ? SvMAGIC (sv)->mg_type == type \ |
322 | ? SvMAGIC (cv) \ |
385 | ? SvMAGIC (sv) \ |
323 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
386 | : mg_find (sv, type) \ |
324 | : 0 |
387 | : 0 |
|
|
388 | |
|
|
389 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
390 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
325 | |
391 | |
326 | static struct coro * |
392 | static struct coro * |
327 | SvSTATE_ (pTHX_ SV *coro) |
393 | SvSTATE_ (pTHX_ SV *coro) |
328 | { |
394 | { |
329 | HV *stash; |
395 | HV *stash; |
… | |
… | |
341 | /* very slow, but rare, check */ |
407 | /* very slow, but rare, check */ |
342 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
408 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
343 | croak ("Coro::State object required"); |
409 | croak ("Coro::State object required"); |
344 | } |
410 | } |
345 | |
411 | |
346 | mg = CORO_MAGIC (coro); |
412 | mg = CORO_MAGIC_state (coro); |
347 | return (struct coro *)mg->mg_ptr; |
413 | return (struct coro *)mg->mg_ptr; |
348 | } |
414 | } |
349 | |
415 | |
350 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
416 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
351 | |
417 | |
352 | /* the next two functions merely cache the padlists */ |
418 | /* the next two functions merely cache the padlists */ |
353 | static void |
419 | static void |
354 | get_padlist (pTHX_ CV *cv) |
420 | get_padlist (pTHX_ CV *cv) |
355 | { |
421 | { |
356 | MAGIC *mg = CORO_MAGIC (cv); |
422 | MAGIC *mg = CORO_MAGIC_cv (cv); |
357 | AV *av; |
423 | AV *av; |
358 | |
424 | |
359 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
425 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
360 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
426 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
361 | else |
427 | else |
362 | { |
428 | { |
363 | #if CORO_PREFER_PERL_FUNCTIONS |
429 | #if CORO_PREFER_PERL_FUNCTIONS |
364 | /* this is probably cleaner, but also slower? */ |
430 | /* this is probably cleaner? but also slower! */ |
|
|
431 | /* in practise, it seems to be less stable */ |
365 | CV *cp = Perl_cv_clone (cv); |
432 | CV *cp = Perl_cv_clone (cv); |
366 | CvPADLIST (cv) = CvPADLIST (cp); |
433 | CvPADLIST (cv) = CvPADLIST (cp); |
367 | CvPADLIST (cp) = 0; |
434 | CvPADLIST (cp) = 0; |
368 | SvREFCNT_dec (cp); |
435 | SvREFCNT_dec (cp); |
369 | #else |
436 | #else |
… | |
… | |
373 | } |
440 | } |
374 | |
441 | |
375 | static void |
442 | static void |
376 | put_padlist (pTHX_ CV *cv) |
443 | put_padlist (pTHX_ CV *cv) |
377 | { |
444 | { |
378 | MAGIC *mg = CORO_MAGIC (cv); |
445 | MAGIC *mg = CORO_MAGIC_cv (cv); |
379 | AV *av; |
446 | AV *av; |
380 | |
447 | |
381 | if (expect_false (!mg)) |
448 | if (expect_false (!mg)) |
382 | { |
449 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
383 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
|
|
384 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
|
|
385 | mg->mg_virtual = &vtbl_coro; |
|
|
386 | mg->mg_obj = (SV *)newAV (); |
|
|
387 | } |
|
|
388 | |
450 | |
389 | av = (AV *)mg->mg_obj; |
451 | av = (AV *)mg->mg_obj; |
390 | |
452 | |
391 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
453 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
392 | av_extend (av, AvMAX (av) + 1); |
454 | av_extend (av, AvMAX (av) + 1); |
… | |
… | |
397 | /** load & save, init *******************************************************/ |
459 | /** load & save, init *******************************************************/ |
398 | |
460 | |
399 | static void |
461 | static void |
400 | load_perl (pTHX_ Coro__State c) |
462 | load_perl (pTHX_ Coro__State c) |
401 | { |
463 | { |
|
|
464 | perl_slots *slot = c->slot; |
|
|
465 | c->slot = 0; |
|
|
466 | |
|
|
467 | PL_mainstack = c->mainstack; |
|
|
468 | |
|
|
469 | GvSV (PL_defgv) = slot->defsv; |
|
|
470 | GvAV (PL_defgv) = slot->defav; |
|
|
471 | GvSV (PL_errgv) = slot->errsv; |
|
|
472 | GvSV (irsgv) = slot->irsgv; |
|
|
473 | |
402 | #define VAR(name,type) PL_ ## name = c->name; |
474 | #define VAR(name,type) PL_ ## name = slot->name; |
403 | # include "state.h" |
475 | # include "state.h" |
404 | #undef VAR |
476 | #undef VAR |
405 | |
|
|
406 | GvSV (PL_defgv) = c->defsv; |
|
|
407 | GvAV (PL_defgv) = c->defav; |
|
|
408 | GvSV (PL_errgv) = c->errsv; |
|
|
409 | GvSV (irsgv) = c->irssv_sv; |
|
|
410 | |
477 | |
411 | { |
478 | { |
412 | dSP; |
479 | dSP; |
|
|
480 | |
413 | CV *cv; |
481 | CV *cv; |
414 | |
482 | |
415 | /* now do the ugly restore mess */ |
483 | /* now do the ugly restore mess */ |
416 | while (expect_true (cv = (CV *)POPs)) |
484 | while (expect_true (cv = (CV *)POPs)) |
417 | { |
485 | { |
… | |
… | |
452 | |
520 | |
453 | if (expect_true (CvDEPTH (cv))) |
521 | if (expect_true (CvDEPTH (cv))) |
454 | { |
522 | { |
455 | EXTEND (SP, 3); |
523 | EXTEND (SP, 3); |
456 | PUSHs ((SV *)CvPADLIST (cv)); |
524 | PUSHs ((SV *)CvPADLIST (cv)); |
457 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
525 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
458 | PUSHs ((SV *)cv); |
526 | PUSHs ((SV *)cv); |
459 | |
527 | |
460 | CvDEPTH (cv) = 0; |
528 | CvDEPTH (cv) = 0; |
461 | get_padlist (aTHX_ cv); |
529 | get_padlist (aTHX_ cv); |
462 | } |
530 | } |
… | |
… | |
472 | } |
540 | } |
473 | |
541 | |
474 | PUTBACK; |
542 | PUTBACK; |
475 | } |
543 | } |
476 | |
544 | |
|
|
545 | /* allocate some space on the context stack for our purposes */ |
|
|
546 | /* we manually unroll here, as usually 2 slots is enough */ |
|
|
547 | if (SLOT_COUNT >= 1) CXINC; |
|
|
548 | if (SLOT_COUNT >= 2) CXINC; |
|
|
549 | if (SLOT_COUNT >= 3) CXINC; |
|
|
550 | { |
|
|
551 | int i; |
|
|
552 | for (i = 3; i < SLOT_COUNT; ++i) |
|
|
553 | CXINC; |
|
|
554 | } |
|
|
555 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
556 | |
|
|
557 | c->mainstack = PL_mainstack; |
|
|
558 | |
|
|
559 | { |
|
|
560 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
|
|
561 | |
477 | c->defav = GvAV (PL_defgv); |
562 | slot->defav = GvAV (PL_defgv); |
478 | c->defsv = DEFSV; |
563 | slot->defsv = DEFSV; |
479 | c->errsv = ERRSV; |
564 | slot->errsv = ERRSV; |
480 | c->irssv_sv = GvSV (irsgv); |
565 | slot->irsgv = GvSV (irsgv); |
481 | |
566 | |
482 | #define VAR(name,type)c->name = PL_ ## name; |
567 | #define VAR(name,type) slot->name = PL_ ## name; |
483 | # include "state.h" |
568 | # include "state.h" |
484 | #undef VAR |
569 | #undef VAR |
|
|
570 | } |
485 | } |
571 | } |
486 | |
572 | |
487 | /* |
573 | /* |
488 | * allocate various perl stacks. This is an exact copy |
574 | * allocate various perl stacks. This is an exact copy |
489 | * of perl.c:init_stacks, except that it uses less memory |
575 | * of perl.c:init_stacks, except that it uses less memory |
… | |
… | |
494 | # define coro_init_stacks init_stacks |
580 | # define coro_init_stacks init_stacks |
495 | #else |
581 | #else |
496 | static void |
582 | static void |
497 | coro_init_stacks (pTHX) |
583 | coro_init_stacks (pTHX) |
498 | { |
584 | { |
499 | PL_curstackinfo = new_stackinfo(64, 6); |
585 | PL_curstackinfo = new_stackinfo(32, 8); |
500 | PL_curstackinfo->si_type = PERLSI_MAIN; |
586 | PL_curstackinfo->si_type = PERLSI_MAIN; |
501 | PL_curstack = PL_curstackinfo->si_stack; |
587 | PL_curstack = PL_curstackinfo->si_stack; |
502 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
588 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
503 | |
589 | |
504 | PL_stack_base = AvARRAY(PL_curstack); |
590 | PL_stack_base = AvARRAY(PL_curstack); |
505 | PL_stack_sp = PL_stack_base; |
591 | PL_stack_sp = PL_stack_base; |
506 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
592 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
507 | |
593 | |
508 | New(50,PL_tmps_stack,64,SV*); |
594 | New(50,PL_tmps_stack,32,SV*); |
509 | PL_tmps_floor = -1; |
595 | PL_tmps_floor = -1; |
510 | PL_tmps_ix = -1; |
596 | PL_tmps_ix = -1; |
511 | PL_tmps_max = 64; |
597 | PL_tmps_max = 32; |
512 | |
598 | |
513 | New(54,PL_markstack,16,I32); |
599 | New(54,PL_markstack,16,I32); |
514 | PL_markstack_ptr = PL_markstack; |
600 | PL_markstack_ptr = PL_markstack; |
515 | PL_markstack_max = PL_markstack + 16; |
601 | PL_markstack_max = PL_markstack + 16; |
516 | |
602 | |
517 | #ifdef SET_MARK_OFFSET |
603 | #ifdef SET_MARK_OFFSET |
518 | SET_MARK_OFFSET; |
604 | SET_MARK_OFFSET; |
519 | #endif |
605 | #endif |
520 | |
606 | |
521 | New(54,PL_scopestack,16,I32); |
607 | New(54,PL_scopestack,8,I32); |
522 | PL_scopestack_ix = 0; |
608 | PL_scopestack_ix = 0; |
523 | PL_scopestack_max = 16; |
609 | PL_scopestack_max = 8; |
524 | |
610 | |
525 | New(54,PL_savestack,64,ANY); |
611 | New(54,PL_savestack,24,ANY); |
526 | PL_savestack_ix = 0; |
612 | PL_savestack_ix = 0; |
527 | PL_savestack_max = 64; |
613 | PL_savestack_max = 24; |
528 | |
614 | |
529 | #if !PERL_VERSION_ATLEAST (5,9,0) |
615 | #if !PERL_VERSION_ATLEAST (5,10,0) |
530 | New(54,PL_retstack,4,OP*); |
616 | New(54,PL_retstack,4,OP*); |
531 | PL_retstack_ix = 0; |
617 | PL_retstack_ix = 0; |
532 | PL_retstack_max = 4; |
618 | PL_retstack_max = 4; |
533 | #endif |
619 | #endif |
534 | } |
620 | } |
… | |
… | |
557 | |
643 | |
558 | Safefree (PL_tmps_stack); |
644 | Safefree (PL_tmps_stack); |
559 | Safefree (PL_markstack); |
645 | Safefree (PL_markstack); |
560 | Safefree (PL_scopestack); |
646 | Safefree (PL_scopestack); |
561 | Safefree (PL_savestack); |
647 | Safefree (PL_savestack); |
562 | #if !PERL_VERSION_ATLEAST (5,9,0) |
648 | #if !PERL_VERSION_ATLEAST (5,10,0) |
563 | Safefree (PL_retstack); |
649 | Safefree (PL_retstack); |
564 | #endif |
650 | #endif |
565 | } |
651 | } |
566 | |
652 | |
567 | static size_t |
653 | static size_t |
… | |
… | |
569 | { |
655 | { |
570 | size_t rss = sizeof (*coro); |
656 | size_t rss = sizeof (*coro); |
571 | |
657 | |
572 | if (coro->mainstack) |
658 | if (coro->mainstack) |
573 | { |
659 | { |
|
|
660 | perl_slots tmp_slot; |
|
|
661 | perl_slots *slot; |
|
|
662 | |
574 | if (coro->flags & CF_RUNNING) |
663 | if (coro->flags & CF_RUNNING) |
575 | { |
664 | { |
|
|
665 | slot = &tmp_slot; |
|
|
666 | |
576 | #define VAR(name,type)coro->name = PL_ ## name; |
667 | #define VAR(name,type) slot->name = PL_ ## name; |
577 | # include "state.h" |
668 | # include "state.h" |
578 | #undef VAR |
669 | #undef VAR |
579 | } |
670 | } |
|
|
671 | else |
|
|
672 | slot = coro->slot; |
580 | |
673 | |
|
|
674 | if (slot) |
|
|
675 | { |
581 | rss += sizeof (coro->curstackinfo); |
676 | rss += sizeof (slot->curstackinfo); |
582 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); |
|
|
583 | rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
677 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
584 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
678 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
585 | rss += coro->tmps_max * sizeof (SV *); |
679 | rss += slot->tmps_max * sizeof (SV *); |
586 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
680 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
587 | rss += coro->scopestack_max * sizeof (I32); |
681 | rss += slot->scopestack_max * sizeof (I32); |
588 | rss += coro->savestack_max * sizeof (ANY); |
682 | rss += slot->savestack_max * sizeof (ANY); |
589 | |
683 | |
590 | #if !PERL_VERSION_ATLEAST (5,9,0) |
684 | #if !PERL_VERSION_ATLEAST (5,10,0) |
591 | rss += coro->retstack_max * sizeof (OP *); |
685 | rss += slot->retstack_max * sizeof (OP *); |
592 | #endif |
686 | #endif |
|
|
687 | } |
593 | } |
688 | } |
594 | |
689 | |
595 | return rss; |
690 | return rss; |
596 | } |
691 | } |
597 | |
692 | |
598 | /** coroutine stack handling ************************************************/ |
693 | /** coroutine stack handling ************************************************/ |
|
|
694 | |
|
|
695 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
696 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
697 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
698 | |
|
|
699 | /* apparently < 5.8.8 */ |
|
|
700 | #ifndef MgPV_nolen_const |
|
|
701 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
|
|
702 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
|
|
703 | (const char*)(mg)->mg_ptr) |
|
|
704 | #endif |
|
|
705 | |
|
|
706 | /* |
|
|
707 | * This overrides the default magic get method of %SIG elements. |
|
|
708 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
|
|
709 | * and instead of tryign to save and restore the hash elements, we just provide |
|
|
710 | * readback here. |
|
|
711 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
712 | * not expecting this to actually change the hook. This is a potential problem |
|
|
713 | * when a schedule happens then, but we ignore this. |
|
|
714 | */ |
|
|
715 | static int |
|
|
716 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
|
|
717 | { |
|
|
718 | const char *s = MgPV_nolen_const (mg); |
|
|
719 | |
|
|
720 | if (*s == '_') |
|
|
721 | { |
|
|
722 | SV **svp = 0; |
|
|
723 | |
|
|
724 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
725 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
726 | |
|
|
727 | if (svp) |
|
|
728 | { |
|
|
729 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
|
|
730 | return 0; |
|
|
731 | } |
|
|
732 | } |
|
|
733 | |
|
|
734 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
|
|
735 | } |
|
|
736 | |
|
|
737 | static int |
|
|
738 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
|
|
739 | { |
|
|
740 | const char *s = MgPV_nolen_const (mg); |
|
|
741 | |
|
|
742 | if (*s == '_') |
|
|
743 | { |
|
|
744 | SV **svp = 0; |
|
|
745 | |
|
|
746 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
747 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
748 | |
|
|
749 | if (svp) |
|
|
750 | { |
|
|
751 | SV *old = *svp; |
|
|
752 | *svp = 0; |
|
|
753 | SvREFCNT_dec (old); |
|
|
754 | return 0; |
|
|
755 | } |
|
|
756 | } |
|
|
757 | |
|
|
758 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
759 | } |
|
|
760 | |
|
|
761 | static int |
|
|
762 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
|
|
763 | { |
|
|
764 | const char *s = MgPV_nolen_const (mg); |
|
|
765 | |
|
|
766 | if (*s == '_') |
|
|
767 | { |
|
|
768 | SV **svp = 0; |
|
|
769 | |
|
|
770 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
771 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
772 | |
|
|
773 | if (svp) |
|
|
774 | { |
|
|
775 | SV *old = *svp; |
|
|
776 | *svp = newSVsv (sv); |
|
|
777 | SvREFCNT_dec (old); |
|
|
778 | return 0; |
|
|
779 | } |
|
|
780 | } |
|
|
781 | |
|
|
782 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
783 | } |
599 | |
784 | |
600 | static void |
785 | static void |
601 | coro_setup (pTHX_ struct coro *coro) |
786 | coro_setup (pTHX_ struct coro *coro) |
602 | { |
787 | { |
603 | /* |
788 | /* |
… | |
… | |
612 | PL_curpm = 0; |
797 | PL_curpm = 0; |
613 | PL_curpad = 0; |
798 | PL_curpad = 0; |
614 | PL_localizing = 0; |
799 | PL_localizing = 0; |
615 | PL_dirty = 0; |
800 | PL_dirty = 0; |
616 | PL_restartop = 0; |
801 | PL_restartop = 0; |
|
|
802 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
803 | PL_parser = 0; |
|
|
804 | #endif |
|
|
805 | |
|
|
806 | /* recreate the die/warn hooks */ |
|
|
807 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
|
|
808 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
617 | |
809 | |
618 | GvSV (PL_defgv) = newSV (0); |
810 | GvSV (PL_defgv) = newSV (0); |
619 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
811 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
620 | GvSV (PL_errgv) = newSV (0); |
812 | GvSV (PL_errgv) = newSV (0); |
621 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
813 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
… | |
… | |
636 | PL_op = (OP *)&myop; |
828 | PL_op = (OP *)&myop; |
637 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
829 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
638 | SPAGAIN; |
830 | SPAGAIN; |
639 | } |
831 | } |
640 | |
832 | |
641 | ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */ |
833 | /* this newly created coroutine might be run on an existing cctx which most |
|
|
834 | * likely was suspended in set_stacklevel, called from entersub. |
|
|
835 | * set_stacklevl doesn't do anything on return, but entersub does LEAVE, |
|
|
836 | * so we ENTER here for symmetry |
|
|
837 | */ |
|
|
838 | ENTER; |
642 | } |
839 | } |
643 | |
840 | |
644 | static void |
841 | static void |
645 | coro_destroy (pTHX_ struct coro *coro) |
842 | coro_destroy (pTHX_ struct coro *coro) |
646 | { |
843 | { |
… | |
… | |
666 | SvREFCNT_dec (GvSV (PL_errgv)); |
863 | SvREFCNT_dec (GvSV (PL_errgv)); |
667 | SvREFCNT_dec (PL_defoutgv); |
864 | SvREFCNT_dec (PL_defoutgv); |
668 | SvREFCNT_dec (PL_rs); |
865 | SvREFCNT_dec (PL_rs); |
669 | SvREFCNT_dec (GvSV (irsgv)); |
866 | SvREFCNT_dec (GvSV (irsgv)); |
670 | |
867 | |
|
|
868 | SvREFCNT_dec (PL_diehook); |
|
|
869 | SvREFCNT_dec (PL_warnhook); |
|
|
870 | |
671 | SvREFCNT_dec (coro->saved_deffh); |
871 | SvREFCNT_dec (coro->saved_deffh); |
672 | SvREFCNT_dec (coro->throw); |
872 | SvREFCNT_dec (coro->throw); |
673 | |
873 | |
674 | coro_destroy_stacks (aTHX); |
874 | coro_destroy_stacks (aTHX); |
675 | } |
875 | } |
… | |
… | |
764 | SAVETMPS; |
964 | SAVETMPS; |
765 | EXTEND (SP, 3); |
965 | EXTEND (SP, 3); |
766 | PUSHMARK (SP); |
966 | PUSHMARK (SP); |
767 | PUSHs (&PL_sv_yes); |
967 | PUSHs (&PL_sv_yes); |
768 | PUSHs (fullname); |
968 | PUSHs (fullname); |
769 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
969 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
770 | PUTBACK; |
970 | PUTBACK; |
771 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
971 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
772 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
972 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
773 | SPAGAIN; |
973 | SPAGAIN; |
774 | FREETMPS; |
974 | FREETMPS; |
… | |
… | |
810 | |
1010 | |
811 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
1011 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
812 | /* _cctx_init should be careful, as it could be called at almost any time */ |
1012 | /* _cctx_init should be careful, as it could be called at almost any time */ |
813 | /* during execution of a perl program */ |
1013 | /* during execution of a perl program */ |
814 | static void NOINLINE |
1014 | static void NOINLINE |
815 | prepare_cctx (pTHX_ coro_cctx *cctx) |
1015 | cctx_prepare (pTHX_ coro_cctx *cctx) |
816 | { |
1016 | { |
817 | dSP; |
1017 | dSP; |
818 | LOGOP myop; |
1018 | LOGOP myop; |
819 | |
1019 | |
820 | PL_top_env = &PL_start_env; |
1020 | PL_top_env = &PL_start_env; |
… | |
… | |
838 | |
1038 | |
839 | /* |
1039 | /* |
840 | * this is a _very_ stripped down perl interpreter ;) |
1040 | * this is a _very_ stripped down perl interpreter ;) |
841 | */ |
1041 | */ |
842 | static void |
1042 | static void |
843 | coro_run (void *arg) |
1043 | cctx_run (void *arg) |
844 | { |
1044 | { |
845 | dTHX; |
1045 | dTHX; |
846 | |
1046 | |
847 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
1047 | /* cctx_run is the alternative tail of transfer(), so unlock here. */ |
848 | UNLOCK; |
1048 | UNLOCK; |
849 | |
1049 | |
850 | /* we now skip the entersub that lead to transfer() */ |
1050 | /* we now skip the entersub that lead to transfer() */ |
851 | PL_op = PL_op->op_next; |
1051 | PL_op = PL_op->op_next; |
852 | |
1052 | |
853 | /* inject a fake subroutine call to cctx_init */ |
1053 | /* inject a fake subroutine call to cctx_init */ |
854 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
1054 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
855 | |
1055 | |
856 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1056 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
857 | PL_restartop = PL_op; |
1057 | PL_restartop = PL_op; |
858 | perl_run (PL_curinterp); |
1058 | perl_run (PL_curinterp); |
859 | |
1059 | |
… | |
… | |
878 | ++cctx_count; |
1078 | ++cctx_count; |
879 | |
1079 | |
880 | Newz (0, cctx, 1, coro_cctx); |
1080 | Newz (0, cctx, 1, coro_cctx); |
881 | |
1081 | |
882 | #if HAVE_MMAP |
1082 | #if HAVE_MMAP |
883 | |
|
|
884 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1083 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
885 | /* mmap supposedly does allocate-on-write for us */ |
1084 | /* mmap supposedly does allocate-on-write for us */ |
886 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1085 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
887 | |
1086 | |
888 | if (cctx->sptr != (void *)-1) |
1087 | if (cctx->sptr != (void *)-1) |
… | |
… | |
909 | stack_start = cctx->sptr; |
1108 | stack_start = cctx->sptr; |
910 | stack_size = cctx->ssize; |
1109 | stack_size = cctx->ssize; |
911 | } |
1110 | } |
912 | |
1111 | |
913 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
1112 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
914 | coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size); |
1113 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
915 | |
1114 | |
916 | return cctx; |
1115 | return cctx; |
917 | } |
1116 | } |
918 | |
1117 | |
919 | static void |
1118 | static void |
… | |
… | |
991 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1190 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
992 | |
1191 | |
993 | if (expect_false (next->flags & CF_DESTROYED)) |
1192 | if (expect_false (next->flags & CF_DESTROYED)) |
994 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1193 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
995 | |
1194 | |
|
|
1195 | #if !PERL_VERSION_ATLEAST (5,10,0) |
996 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1196 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
997 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
1197 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version"); |
|
|
1198 | #endif |
998 | } |
1199 | } |
999 | } |
1200 | } |
1000 | |
1201 | |
1001 | /* always use the TRANSFER macro */ |
1202 | /* always use the TRANSFER macro */ |
1002 | static void NOINLINE |
1203 | static void NOINLINE |
1003 | transfer (pTHX_ struct coro *prev, struct coro *next) |
1204 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1004 | { |
1205 | { |
1005 | dSTACKLEVEL; |
1206 | dSTACKLEVEL; |
|
|
1207 | static volatile int has_throw; |
1006 | |
1208 | |
1007 | /* sometimes transfer is only called to set idle_sp */ |
1209 | /* sometimes transfer is only called to set idle_sp */ |
1008 | if (expect_false (!next)) |
1210 | if (expect_false (!next)) |
1009 | { |
1211 | { |
1010 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1212 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
… | |
… | |
1025 | prev->flags &= ~CF_RUNNING; |
1227 | prev->flags &= ~CF_RUNNING; |
1026 | next->flags |= CF_RUNNING; |
1228 | next->flags |= CF_RUNNING; |
1027 | |
1229 | |
1028 | LOCK; |
1230 | LOCK; |
1029 | |
1231 | |
|
|
1232 | /* first get rid of the old state */ |
|
|
1233 | save_perl (aTHX_ prev); |
|
|
1234 | |
1030 | if (expect_false (next->flags & CF_NEW)) |
1235 | if (expect_false (next->flags & CF_NEW)) |
1031 | { |
1236 | { |
1032 | /* need to start coroutine */ |
1237 | /* need to start coroutine */ |
1033 | next->flags &= ~CF_NEW; |
1238 | next->flags &= ~CF_NEW; |
1034 | /* first get rid of the old state */ |
|
|
1035 | save_perl (aTHX_ prev); |
|
|
1036 | /* setup coroutine call */ |
1239 | /* setup coroutine call */ |
1037 | coro_setup (aTHX_ next); |
1240 | coro_setup (aTHX_ next); |
1038 | } |
1241 | } |
1039 | else |
1242 | else |
1040 | { |
|
|
1041 | /* coroutine already started */ |
|
|
1042 | save_perl (aTHX_ prev); |
|
|
1043 | load_perl (aTHX_ next); |
1243 | load_perl (aTHX_ next); |
1044 | } |
|
|
1045 | |
1244 | |
1046 | prev__cctx = prev->cctx; |
1245 | prev__cctx = prev->cctx; |
1047 | |
1246 | |
1048 | /* possibly "free" the cctx */ |
1247 | /* possibly "free" the cctx */ |
1049 | if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) |
1248 | if (expect_true ( |
|
|
1249 | prev__cctx->idle_sp == STACKLEVEL |
|
|
1250 | && !(prev__cctx->flags & CC_TRACE) |
|
|
1251 | && !force_cctx |
|
|
1252 | )) |
1050 | { |
1253 | { |
1051 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1254 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1052 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1255 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1053 | |
1256 | |
1054 | prev->cctx = 0; |
1257 | prev->cctx = 0; |
1055 | |
1258 | |
1056 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1259 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1057 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1260 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1058 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1261 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
|
|
1262 | if (!next->cctx) |
1059 | next->cctx = cctx_get (aTHX); |
1263 | next->cctx = cctx_get (aTHX); |
1060 | |
1264 | |
1061 | cctx_put (prev__cctx); |
1265 | cctx_put (prev__cctx); |
1062 | } |
1266 | } |
1063 | |
1267 | |
1064 | ++next->usecount; |
1268 | ++next->usecount; |
1065 | |
1269 | |
1066 | if (expect_true (!next->cctx)) |
1270 | if (expect_true (!next->cctx)) |
1067 | next->cctx = cctx_get (aTHX); |
1271 | next->cctx = cctx_get (aTHX); |
|
|
1272 | |
|
|
1273 | has_throw = !!next->throw; |
1068 | |
1274 | |
1069 | if (expect_false (prev__cctx != next->cctx)) |
1275 | if (expect_false (prev__cctx != next->cctx)) |
1070 | { |
1276 | { |
1071 | prev__cctx->top_env = PL_top_env; |
1277 | prev__cctx->top_env = PL_top_env; |
1072 | PL_top_env = next->cctx->top_env; |
1278 | PL_top_env = next->cctx->top_env; |
… | |
… | |
1074 | } |
1280 | } |
1075 | |
1281 | |
1076 | free_coro_mortal (aTHX); |
1282 | free_coro_mortal (aTHX); |
1077 | UNLOCK; |
1283 | UNLOCK; |
1078 | |
1284 | |
1079 | if (expect_false (prev->throw || next->throw)) |
1285 | if (expect_false (has_throw)) |
1080 | { |
1286 | { |
1081 | struct coro *coro = SvSTATE (coro_current); |
1287 | struct coro *coro = SvSTATE (coro_current); |
1082 | |
1288 | |
1083 | if (coro->throw) |
1289 | if (coro->throw) |
1084 | { |
1290 | { |
… | |
… | |
1094 | struct transfer_args |
1300 | struct transfer_args |
1095 | { |
1301 | { |
1096 | struct coro *prev, *next; |
1302 | struct coro *prev, *next; |
1097 | }; |
1303 | }; |
1098 | |
1304 | |
1099 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
1305 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1100 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1306 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1101 | |
1307 | |
1102 | /** high level stuff ********************************************************/ |
1308 | /** high level stuff ********************************************************/ |
1103 | |
1309 | |
1104 | static int |
1310 | static int |
… | |
… | |
1130 | save_perl (aTHX_ &temp); |
1336 | save_perl (aTHX_ &temp); |
1131 | load_perl (aTHX_ coro); |
1337 | load_perl (aTHX_ coro); |
1132 | |
1338 | |
1133 | coro_destroy (aTHX_ coro); |
1339 | coro_destroy (aTHX_ coro); |
1134 | |
1340 | |
1135 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
1341 | load_perl (aTHX_ &temp); |
1136 | |
1342 | |
1137 | coro->mainstack = 0; |
1343 | coro->slot = 0; |
1138 | } |
1344 | } |
1139 | |
1345 | |
1140 | cctx_destroy (coro->cctx); |
1346 | cctx_destroy (coro->cctx); |
1141 | SvREFCNT_dec (coro->args); |
1347 | SvREFCNT_dec (coro->args); |
1142 | |
1348 | |
… | |
… | |
1198 | { |
1404 | { |
1199 | dTHX; |
1405 | dTHX; |
1200 | struct transfer_args ta; |
1406 | struct transfer_args ta; |
1201 | |
1407 | |
1202 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1408 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1203 | TRANSFER (ta); |
1409 | TRANSFER (ta, 1); |
1204 | } |
1410 | } |
1205 | |
1411 | |
1206 | /** Coro ********************************************************************/ |
1412 | /** Coro ********************************************************************/ |
1207 | |
1413 | |
1208 | static void |
1414 | static void |
… | |
… | |
1210 | { |
1416 | { |
1211 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1417 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1212 | } |
1418 | } |
1213 | |
1419 | |
1214 | static SV * |
1420 | static SV * |
1215 | coro_deq (pTHX_ int min_prio) |
1421 | coro_deq (pTHX) |
1216 | { |
1422 | { |
1217 | int prio = PRIO_MAX - PRIO_MIN; |
1423 | int prio; |
1218 | |
1424 | |
1219 | min_prio -= PRIO_MIN; |
|
|
1220 | if (min_prio < 0) |
|
|
1221 | min_prio = 0; |
|
|
1222 | |
|
|
1223 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) |
1425 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1224 | if (AvFILLp (coro_ready [prio]) >= 0) |
1426 | if (AvFILLp (coro_ready [prio]) >= 0) |
1225 | return av_shift (coro_ready [prio]); |
1427 | return av_shift (coro_ready [prio]); |
1226 | |
1428 | |
1227 | return 0; |
1429 | return 0; |
1228 | } |
1430 | } |
… | |
… | |
1230 | static int |
1432 | static int |
1231 | api_ready (SV *coro_sv) |
1433 | api_ready (SV *coro_sv) |
1232 | { |
1434 | { |
1233 | dTHX; |
1435 | dTHX; |
1234 | struct coro *coro; |
1436 | struct coro *coro; |
|
|
1437 | SV *sv_hook; |
|
|
1438 | void (*xs_hook)(void); |
1235 | |
1439 | |
1236 | if (SvROK (coro_sv)) |
1440 | if (SvROK (coro_sv)) |
1237 | coro_sv = SvRV (coro_sv); |
1441 | coro_sv = SvRV (coro_sv); |
1238 | |
1442 | |
1239 | coro = SvSTATE (coro_sv); |
1443 | coro = SvSTATE (coro_sv); |
… | |
… | |
1242 | return 0; |
1446 | return 0; |
1243 | |
1447 | |
1244 | coro->flags |= CF_READY; |
1448 | coro->flags |= CF_READY; |
1245 | |
1449 | |
1246 | LOCK; |
1450 | LOCK; |
|
|
1451 | |
|
|
1452 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1453 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1454 | |
1247 | coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); |
1455 | coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); |
1248 | ++coro_nready; |
1456 | ++coro_nready; |
|
|
1457 | |
1249 | UNLOCK; |
1458 | UNLOCK; |
|
|
1459 | |
|
|
1460 | if (sv_hook) |
|
|
1461 | { |
|
|
1462 | dSP; |
|
|
1463 | |
|
|
1464 | ENTER; |
|
|
1465 | SAVETMPS; |
|
|
1466 | |
|
|
1467 | PUSHMARK (SP); |
|
|
1468 | PUTBACK; |
|
|
1469 | call_sv (sv_hook, G_DISCARD); |
|
|
1470 | SPAGAIN; |
|
|
1471 | |
|
|
1472 | FREETMPS; |
|
|
1473 | LEAVE; |
|
|
1474 | } |
|
|
1475 | |
|
|
1476 | if (xs_hook) |
|
|
1477 | xs_hook (); |
1250 | |
1478 | |
1251 | return 1; |
1479 | return 1; |
1252 | } |
1480 | } |
1253 | |
1481 | |
1254 | static int |
1482 | static int |
… | |
… | |
1264 | SV *prev_sv, *next_sv; |
1492 | SV *prev_sv, *next_sv; |
1265 | |
1493 | |
1266 | for (;;) |
1494 | for (;;) |
1267 | { |
1495 | { |
1268 | LOCK; |
1496 | LOCK; |
1269 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1497 | next_sv = coro_deq (aTHX); |
1270 | |
1498 | |
1271 | /* nothing to schedule: call the idle handler */ |
1499 | /* nothing to schedule: call the idle handler */ |
1272 | if (expect_false (!next_sv)) |
1500 | if (expect_false (!next_sv)) |
1273 | { |
1501 | { |
1274 | dSP; |
1502 | dSP; |
… | |
… | |
1278 | SAVETMPS; |
1506 | SAVETMPS; |
1279 | |
1507 | |
1280 | PUSHMARK (SP); |
1508 | PUSHMARK (SP); |
1281 | PUTBACK; |
1509 | PUTBACK; |
1282 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
1510 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
|
|
1511 | SPAGAIN; |
1283 | |
1512 | |
1284 | FREETMPS; |
1513 | FREETMPS; |
1285 | LEAVE; |
1514 | LEAVE; |
1286 | continue; |
1515 | continue; |
1287 | } |
1516 | } |
… | |
… | |
1342 | { |
1571 | { |
1343 | dTHX; |
1572 | dTHX; |
1344 | struct transfer_args ta; |
1573 | struct transfer_args ta; |
1345 | |
1574 | |
1346 | prepare_schedule (aTHX_ &ta); |
1575 | prepare_schedule (aTHX_ &ta); |
1347 | TRANSFER (ta); |
1576 | TRANSFER (ta, 1); |
1348 | } |
1577 | } |
1349 | |
1578 | |
1350 | static int |
1579 | static int |
1351 | api_cede (void) |
1580 | api_cede (void) |
1352 | { |
1581 | { |
… | |
… | |
1355 | |
1584 | |
1356 | prepare_cede (aTHX_ &ta); |
1585 | prepare_cede (aTHX_ &ta); |
1357 | |
1586 | |
1358 | if (expect_true (ta.prev != ta.next)) |
1587 | if (expect_true (ta.prev != ta.next)) |
1359 | { |
1588 | { |
1360 | TRANSFER (ta); |
1589 | TRANSFER (ta, 1); |
1361 | return 1; |
1590 | return 1; |
1362 | } |
1591 | } |
1363 | else |
1592 | else |
1364 | return 0; |
1593 | return 0; |
1365 | } |
1594 | } |
… | |
… | |
1370 | dTHX; |
1599 | dTHX; |
1371 | struct transfer_args ta; |
1600 | struct transfer_args ta; |
1372 | |
1601 | |
1373 | if (prepare_cede_notself (aTHX_ &ta)) |
1602 | if (prepare_cede_notself (aTHX_ &ta)) |
1374 | { |
1603 | { |
1375 | TRANSFER (ta); |
1604 | TRANSFER (ta, 1); |
1376 | return 1; |
1605 | return 1; |
1377 | } |
1606 | } |
1378 | else |
1607 | else |
1379 | return 0; |
1608 | return 0; |
1380 | } |
1609 | } |
… | |
… | |
1399 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
1628 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
1400 | |
1629 | |
1401 | if (coro->flags & CF_RUNNING) |
1630 | if (coro->flags & CF_RUNNING) |
1402 | PL_runops = RUNOPS_DEFAULT; |
1631 | PL_runops = RUNOPS_DEFAULT; |
1403 | else |
1632 | else |
1404 | coro->runops = RUNOPS_DEFAULT; |
1633 | coro->slot->runops = RUNOPS_DEFAULT; |
|
|
1634 | } |
|
|
1635 | } |
|
|
1636 | |
|
|
1637 | static int |
|
|
1638 | coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
1639 | { |
|
|
1640 | AV *padlist; |
|
|
1641 | AV *av = (AV *)mg->mg_obj; |
|
|
1642 | |
|
|
1643 | abort (); |
|
|
1644 | |
|
|
1645 | return 0; |
|
|
1646 | } |
|
|
1647 | |
|
|
1648 | static MGVTBL coro_gensub_vtbl = { |
|
|
1649 | 0, 0, 0, 0, |
|
|
1650 | coro_gensub_free |
|
|
1651 | }; |
|
|
1652 | |
|
|
1653 | /*****************************************************************************/ |
|
|
1654 | /* PerlIO::cede */ |
|
|
1655 | |
|
|
1656 | typedef struct |
|
|
1657 | { |
|
|
1658 | PerlIOBuf base; |
|
|
1659 | NV next, every; |
|
|
1660 | } PerlIOCede; |
|
|
1661 | |
|
|
1662 | static IV |
|
|
1663 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
|
|
1664 | { |
|
|
1665 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1666 | |
|
|
1667 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
|
|
1668 | self->next = nvtime () + self->every; |
|
|
1669 | |
|
|
1670 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
|
|
1671 | } |
|
|
1672 | |
|
|
1673 | static SV * |
|
|
1674 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
|
|
1675 | { |
|
|
1676 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1677 | |
|
|
1678 | return newSVnv (self->every); |
|
|
1679 | } |
|
|
1680 | |
|
|
1681 | static IV |
|
|
1682 | PerlIOCede_flush (pTHX_ PerlIO *f) |
|
|
1683 | { |
|
|
1684 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1685 | double now = nvtime (); |
|
|
1686 | |
|
|
1687 | if (now >= self->next) |
1405 | } |
1688 | { |
|
|
1689 | api_cede (); |
|
|
1690 | self->next = now + self->every; |
|
|
1691 | } |
|
|
1692 | |
|
|
1693 | return PerlIOBuf_flush (aTHX_ f); |
1406 | } |
1694 | } |
|
|
1695 | |
|
|
1696 | static PerlIO_funcs PerlIO_cede = |
|
|
1697 | { |
|
|
1698 | sizeof(PerlIO_funcs), |
|
|
1699 | "cede", |
|
|
1700 | sizeof(PerlIOCede), |
|
|
1701 | PERLIO_K_DESTRUCT | PERLIO_K_RAW, |
|
|
1702 | PerlIOCede_pushed, |
|
|
1703 | PerlIOBuf_popped, |
|
|
1704 | PerlIOBuf_open, |
|
|
1705 | PerlIOBase_binmode, |
|
|
1706 | PerlIOCede_getarg, |
|
|
1707 | PerlIOBase_fileno, |
|
|
1708 | PerlIOBuf_dup, |
|
|
1709 | PerlIOBuf_read, |
|
|
1710 | PerlIOBuf_unread, |
|
|
1711 | PerlIOBuf_write, |
|
|
1712 | PerlIOBuf_seek, |
|
|
1713 | PerlIOBuf_tell, |
|
|
1714 | PerlIOBuf_close, |
|
|
1715 | PerlIOCede_flush, |
|
|
1716 | PerlIOBuf_fill, |
|
|
1717 | PerlIOBase_eof, |
|
|
1718 | PerlIOBase_error, |
|
|
1719 | PerlIOBase_clearerr, |
|
|
1720 | PerlIOBase_setlinebuf, |
|
|
1721 | PerlIOBuf_get_base, |
|
|
1722 | PerlIOBuf_bufsiz, |
|
|
1723 | PerlIOBuf_get_ptr, |
|
|
1724 | PerlIOBuf_get_cnt, |
|
|
1725 | PerlIOBuf_set_ptrcnt, |
|
|
1726 | }; |
|
|
1727 | |
1407 | |
1728 | |
1408 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1729 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1409 | |
1730 | |
1410 | PROTOTYPES: DISABLE |
1731 | PROTOTYPES: DISABLE |
1411 | |
1732 | |
… | |
… | |
1416 | #endif |
1737 | #endif |
1417 | BOOT_PAGESIZE; |
1738 | BOOT_PAGESIZE; |
1418 | |
1739 | |
1419 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1740 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1420 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
1741 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
|
|
1742 | |
|
|
1743 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
|
|
1744 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
|
|
1745 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
|
|
1746 | |
|
|
1747 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
1748 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
|
|
1749 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
1421 | |
1750 | |
1422 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1751 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1423 | |
1752 | |
1424 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1753 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1425 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1754 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
… | |
… | |
1430 | main_top_env = PL_top_env; |
1759 | main_top_env = PL_top_env; |
1431 | |
1760 | |
1432 | while (main_top_env->je_prev) |
1761 | while (main_top_env->je_prev) |
1433 | main_top_env = main_top_env->je_prev; |
1762 | main_top_env = main_top_env->je_prev; |
1434 | |
1763 | |
1435 | coroapi.ver = CORO_API_VERSION; |
1764 | coroapi.ver = CORO_API_VERSION; |
|
|
1765 | coroapi.rev = CORO_API_REVISION; |
1436 | coroapi.transfer = api_transfer; |
1766 | coroapi.transfer = api_transfer; |
|
|
1767 | |
|
|
1768 | { |
|
|
1769 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
1770 | |
|
|
1771 | if (!svp) croak ("Time::HiRes is required"); |
|
|
1772 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
1773 | |
|
|
1774 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
1775 | } |
1437 | |
1776 | |
1438 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1777 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1439 | } |
1778 | } |
1440 | |
1779 | |
1441 | SV * |
1780 | SV * |
1442 | new (char *klass, ...) |
1781 | new (char *klass, ...) |
1443 | CODE: |
1782 | CODE: |
1444 | { |
1783 | { |
1445 | struct coro *coro; |
1784 | struct coro *coro; |
|
|
1785 | MAGIC *mg; |
1446 | HV *hv; |
1786 | HV *hv; |
1447 | int i; |
1787 | int i; |
1448 | |
1788 | |
1449 | Newz (0, coro, 1, struct coro); |
1789 | Newz (0, coro, 1, struct coro); |
1450 | coro->args = newAV (); |
1790 | coro->args = newAV (); |
… | |
… | |
1453 | if (coro_first) coro_first->prev = coro; |
1793 | if (coro_first) coro_first->prev = coro; |
1454 | coro->next = coro_first; |
1794 | coro->next = coro_first; |
1455 | coro_first = coro; |
1795 | coro_first = coro; |
1456 | |
1796 | |
1457 | coro->hv = hv = newHV (); |
1797 | coro->hv = hv = newHV (); |
1458 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1798 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
1799 | mg->mg_flags |= MGf_DUP; |
1459 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1800 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1460 | |
1801 | |
1461 | av_extend (coro->args, items - 1); |
1802 | av_extend (coro->args, items - 1); |
1462 | for (i = 1; i < items; i++) |
1803 | for (i = 1; i < items; i++) |
1463 | av_push (coro->args, newSVsv (ST (i))); |
1804 | av_push (coro->args, newSVsv (ST (i))); |
… | |
… | |
1477 | Coro::cede_notself = 4 |
1818 | Coro::cede_notself = 4 |
1478 | CODE: |
1819 | CODE: |
1479 | { |
1820 | { |
1480 | struct transfer_args ta; |
1821 | struct transfer_args ta; |
1481 | |
1822 | |
|
|
1823 | PUTBACK; |
1482 | switch (ix) |
1824 | switch (ix) |
1483 | { |
1825 | { |
1484 | case 0: |
1826 | case 0: |
1485 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1827 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1486 | ta.next = 0; |
1828 | ta.next = 0; |
… | |
… | |
1505 | if (!prepare_cede_notself (aTHX_ &ta)) |
1847 | if (!prepare_cede_notself (aTHX_ &ta)) |
1506 | XSRETURN_EMPTY; |
1848 | XSRETURN_EMPTY; |
1507 | |
1849 | |
1508 | break; |
1850 | break; |
1509 | } |
1851 | } |
|
|
1852 | SPAGAIN; |
1510 | |
1853 | |
1511 | BARRIER; |
1854 | BARRIER; |
|
|
1855 | PUTBACK; |
1512 | TRANSFER (ta); |
1856 | TRANSFER (ta, 0); |
1513 | |
1857 | SPAGAIN; /* might be the sp of a different coroutine now */ |
1514 | if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev)) |
1858 | /* be extra careful not to ever do anything after TRANSFER */ |
1515 | XSRETURN_YES; |
|
|
1516 | } |
1859 | } |
1517 | |
1860 | |
1518 | bool |
1861 | bool |
1519 | _destroy (SV *coro_sv) |
1862 | _destroy (SV *coro_sv) |
1520 | CODE: |
1863 | CODE: |
1521 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1864 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1522 | OUTPUT: |
1865 | OUTPUT: |
1523 | RETVAL |
1866 | RETVAL |
1524 | |
1867 | |
1525 | void |
1868 | void |
1526 | _exit (code) |
1869 | _exit (int code) |
1527 | int code |
|
|
1528 | PROTOTYPE: $ |
1870 | PROTOTYPE: $ |
1529 | CODE: |
1871 | CODE: |
1530 | _exit (code); |
1872 | _exit (code); |
1531 | |
1873 | |
1532 | int |
1874 | int |
… | |
… | |
1566 | call (Coro::State coro, SV *coderef) |
1908 | call (Coro::State coro, SV *coderef) |
1567 | ALIAS: |
1909 | ALIAS: |
1568 | eval = 1 |
1910 | eval = 1 |
1569 | CODE: |
1911 | CODE: |
1570 | { |
1912 | { |
1571 | if (coro->mainstack) |
1913 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
1572 | { |
1914 | { |
1573 | struct coro temp; |
1915 | struct coro temp; |
1574 | Zero (&temp, 1, struct coro); |
|
|
1575 | |
1916 | |
1576 | if (!(coro->flags & CF_RUNNING)) |
1917 | if (!(coro->flags & CF_RUNNING)) |
1577 | { |
1918 | { |
|
|
1919 | PUTBACK; |
1578 | save_perl (aTHX_ &temp); |
1920 | save_perl (aTHX_ &temp); |
1579 | load_perl (aTHX_ coro); |
1921 | load_perl (aTHX_ coro); |
1580 | } |
1922 | } |
1581 | |
1923 | |
1582 | { |
1924 | { |
1583 | dSP; |
1925 | dSP; |
1584 | ENTER; |
1926 | ENTER; |
1585 | SAVETMPS; |
1927 | SAVETMPS; |
|
|
1928 | PUTBACK; |
|
|
1929 | PUSHSTACK; |
1586 | PUSHMARK (SP); |
1930 | PUSHMARK (SP); |
1587 | PUTBACK; |
1931 | |
1588 | if (ix) |
1932 | if (ix) |
1589 | eval_sv (coderef, 0); |
1933 | eval_sv (coderef, 0); |
1590 | else |
1934 | else |
1591 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1935 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
1936 | |
|
|
1937 | POPSTACK; |
1592 | SPAGAIN; |
1938 | SPAGAIN; |
1593 | FREETMPS; |
1939 | FREETMPS; |
1594 | LEAVE; |
1940 | LEAVE; |
1595 | PUTBACK; |
1941 | PUTBACK; |
1596 | } |
1942 | } |
1597 | |
1943 | |
1598 | if (!(coro->flags & CF_RUNNING)) |
1944 | if (!(coro->flags & CF_RUNNING)) |
1599 | { |
1945 | { |
1600 | save_perl (aTHX_ coro); |
1946 | save_perl (aTHX_ coro); |
1601 | load_perl (aTHX_ &temp); |
1947 | load_perl (aTHX_ &temp); |
|
|
1948 | SPAGAIN; |
1602 | } |
1949 | } |
1603 | } |
1950 | } |
1604 | } |
1951 | } |
1605 | |
1952 | |
1606 | SV * |
1953 | SV * |
… | |
… | |
1618 | |
1965 | |
1619 | void |
1966 | void |
1620 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
1967 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
1621 | |
1968 | |
1622 | SV * |
1969 | SV * |
1623 | has_stack (Coro::State coro) |
1970 | has_cctx (Coro::State coro) |
1624 | PROTOTYPE: $ |
1971 | PROTOTYPE: $ |
1625 | CODE: |
1972 | CODE: |
1626 | RETVAL = boolSV (!!coro->cctx); |
1973 | RETVAL = boolSV (!!coro->cctx); |
1627 | OUTPUT: |
1974 | OUTPUT: |
1628 | RETVAL |
1975 | RETVAL |
… | |
… | |
1647 | case 1: RETVAL = coro->usecount; break; |
1994 | case 1: RETVAL = coro->usecount; break; |
1648 | } |
1995 | } |
1649 | OUTPUT: |
1996 | OUTPUT: |
1650 | RETVAL |
1997 | RETVAL |
1651 | |
1998 | |
|
|
1999 | void |
|
|
2000 | force_cctx () |
|
|
2001 | CODE: |
|
|
2002 | struct coro *coro = SvSTATE (coro_current); |
|
|
2003 | coro->cctx->idle_sp = 0; |
|
|
2004 | |
|
|
2005 | void |
|
|
2006 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
2007 | PROTOTYPE: $;$ |
|
|
2008 | CODE: |
|
|
2009 | SvREFCNT_dec (self->throw); |
|
|
2010 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
2011 | |
|
|
2012 | void |
|
|
2013 | swap_defsv (Coro::State self) |
|
|
2014 | PROTOTYPE: $ |
|
|
2015 | ALIAS: |
|
|
2016 | swap_defav = 1 |
|
|
2017 | CODE: |
|
|
2018 | if (!self->slot) |
|
|
2019 | croak ("cannot swap state with coroutine that has no saved state"); |
|
|
2020 | else |
|
|
2021 | { |
|
|
2022 | SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv); |
|
|
2023 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
|
|
2024 | |
|
|
2025 | SV *tmp = *src; *src = *dst; *dst = tmp; |
|
|
2026 | } |
1652 | |
2027 | |
1653 | MODULE = Coro::State PACKAGE = Coro |
2028 | MODULE = Coro::State PACKAGE = Coro |
1654 | |
2029 | |
1655 | BOOT: |
2030 | BOOT: |
1656 | { |
2031 | { |
1657 | int i; |
2032 | int i; |
1658 | |
2033 | |
1659 | sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); |
|
|
1660 | sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); |
|
|
1661 | av_async_pool = get_av ("Coro::async_pool", TRUE); |
2034 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2035 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
|
|
2036 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
1662 | |
2037 | |
1663 | coro_current = get_sv ("Coro::current", FALSE); |
2038 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
1664 | SvREADONLY_on (coro_current); |
2039 | SvREADONLY_on (coro_current); |
1665 | |
2040 | |
1666 | coro_stash = gv_stashpv ("Coro", TRUE); |
2041 | coro_stash = gv_stashpv ("Coro", TRUE); |
1667 | |
2042 | |
1668 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
2043 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1669 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
2044 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1670 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
2045 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1671 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
2046 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
… | |
… | |
1674 | |
2049 | |
1675 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
2050 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1676 | coro_ready[i] = newAV (); |
2051 | coro_ready[i] = newAV (); |
1677 | |
2052 | |
1678 | { |
2053 | { |
1679 | SV *sv = perl_get_sv("Coro::API", 1); |
2054 | SV *sv = perl_get_sv ("Coro::API", TRUE); |
|
|
2055 | perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */ |
1680 | |
2056 | |
1681 | coroapi.schedule = api_schedule; |
2057 | coroapi.schedule = api_schedule; |
1682 | coroapi.cede = api_cede; |
2058 | coroapi.cede = api_cede; |
1683 | coroapi.cede_notself = api_cede_notself; |
2059 | coroapi.cede_notself = api_cede_notself; |
1684 | coroapi.ready = api_ready; |
2060 | coroapi.ready = api_ready; |
… | |
… | |
1697 | PROTOTYPE: $ |
2073 | PROTOTYPE: $ |
1698 | CODE: |
2074 | CODE: |
1699 | SvREFCNT_dec (SvRV (coro_current)); |
2075 | SvREFCNT_dec (SvRV (coro_current)); |
1700 | SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); |
2076 | SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); |
1701 | |
2077 | |
|
|
2078 | void |
|
|
2079 | _set_readyhook (SV *hook) |
|
|
2080 | PROTOTYPE: $ |
|
|
2081 | CODE: |
|
|
2082 | LOCK; |
|
|
2083 | SvREFCNT_dec (coro_readyhook); |
|
|
2084 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
|
|
2085 | UNLOCK; |
|
|
2086 | |
1702 | int |
2087 | int |
1703 | prio (Coro::State coro, int newprio = 0) |
2088 | prio (Coro::State coro, int newprio = 0) |
1704 | ALIAS: |
2089 | ALIAS: |
1705 | nice = 1 |
2090 | nice = 1 |
1706 | CODE: |
2091 | CODE: |
… | |
… | |
1735 | CODE: |
2120 | CODE: |
1736 | RETVAL = coro_nready; |
2121 | RETVAL = coro_nready; |
1737 | OUTPUT: |
2122 | OUTPUT: |
1738 | RETVAL |
2123 | RETVAL |
1739 | |
2124 | |
1740 | void |
|
|
1741 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
1742 | PROTOTYPE: $;$ |
|
|
1743 | CODE: |
|
|
1744 | SvREFCNT_dec (self->throw); |
|
|
1745 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
1746 | |
|
|
1747 | # for async_pool speedup |
2125 | # for async_pool speedup |
1748 | void |
2126 | void |
1749 | _pool_1 (SV *cb) |
2127 | _pool_1 (SV *cb) |
1750 | CODE: |
2128 | CODE: |
1751 | { |
2129 | { |
… | |
… | |
1755 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
2133 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1756 | AV *invoke_av; |
2134 | AV *invoke_av; |
1757 | int i, len; |
2135 | int i, len; |
1758 | |
2136 | |
1759 | if (!invoke) |
2137 | if (!invoke) |
|
|
2138 | { |
|
|
2139 | SV *old = PL_diehook; |
|
|
2140 | PL_diehook = 0; |
|
|
2141 | SvREFCNT_dec (old); |
1760 | croak ("\3terminate\2\n"); |
2142 | croak ("\3async_pool terminate\2\n"); |
|
|
2143 | } |
1761 | |
2144 | |
1762 | SvREFCNT_dec (coro->saved_deffh); |
2145 | SvREFCNT_dec (coro->saved_deffh); |
1763 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
2146 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
1764 | |
2147 | |
1765 | hv_store (hv, "desc", sizeof ("desc") - 1, |
2148 | hv_store (hv, "desc", sizeof ("desc") - 1, |
… | |
… | |
1791 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2174 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1792 | coro->saved_deffh = 0; |
2175 | coro->saved_deffh = 0; |
1793 | |
2176 | |
1794 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
2177 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1795 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2178 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2179 | { |
|
|
2180 | SV *old = PL_diehook; |
|
|
2181 | PL_diehook = 0; |
|
|
2182 | SvREFCNT_dec (old); |
1796 | croak ("\3terminate\2\n"); |
2183 | croak ("\3async_pool terminate\2\n"); |
|
|
2184 | } |
1797 | |
2185 | |
1798 | av_clear (GvAV (PL_defgv)); |
2186 | av_clear (GvAV (PL_defgv)); |
1799 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
2187 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1800 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
2188 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1801 | |
2189 | |
… | |
… | |
1804 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2192 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
1805 | api_trace (coro_current, 0); |
2193 | api_trace (coro_current, 0); |
1806 | |
2194 | |
1807 | av_push (av_async_pool, newSVsv (coro_current)); |
2195 | av_push (av_async_pool, newSVsv (coro_current)); |
1808 | } |
2196 | } |
|
|
2197 | |
|
|
2198 | #if 0 |
|
|
2199 | |
|
|
2200 | void |
|
|
2201 | _generator_call (...) |
|
|
2202 | PROTOTYPE: @ |
|
|
2203 | PPCODE: |
|
|
2204 | fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr); |
|
|
2205 | xxxx |
|
|
2206 | abort (); |
|
|
2207 | |
|
|
2208 | SV * |
|
|
2209 | gensub (SV *sub, ...) |
|
|
2210 | PROTOTYPE: &;@ |
|
|
2211 | CODE: |
|
|
2212 | { |
|
|
2213 | struct coro *coro; |
|
|
2214 | MAGIC *mg; |
|
|
2215 | CV *xcv; |
|
|
2216 | CV *ncv = (CV *)newSV_type (SVt_PVCV); |
|
|
2217 | int i; |
|
|
2218 | |
|
|
2219 | CvGV (ncv) = CvGV (cv); |
|
|
2220 | CvFILE (ncv) = CvFILE (cv); |
|
|
2221 | |
|
|
2222 | Newz (0, coro, 1, struct coro); |
|
|
2223 | coro->args = newAV (); |
|
|
2224 | coro->flags = CF_NEW; |
|
|
2225 | |
|
|
2226 | av_extend (coro->args, items - 1); |
|
|
2227 | for (i = 1; i < items; i++) |
|
|
2228 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2229 | |
|
|
2230 | CvISXSUB_on (ncv); |
|
|
2231 | CvXSUBANY (ncv).any_ptr = (void *)coro; |
|
|
2232 | |
|
|
2233 | xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV)); |
|
|
2234 | |
|
|
2235 | CvXSUB (ncv) = CvXSUB (xcv); |
|
|
2236 | CvANON_on (ncv); |
|
|
2237 | |
|
|
2238 | mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0); |
|
|
2239 | RETVAL = newRV_noinc ((SV *)ncv); |
|
|
2240 | } |
|
|
2241 | OUTPUT: |
|
|
2242 | RETVAL |
|
|
2243 | |
|
|
2244 | #endif |
1809 | |
2245 | |
1810 | |
2246 | |
1811 | MODULE = Coro::State PACKAGE = Coro::AIO |
2247 | MODULE = Coro::State PACKAGE = Coro::AIO |
1812 | |
2248 | |
1813 | SV * |
2249 | SV * |
… | |
… | |
1840 | PL_laststype = data->laststype; |
2276 | PL_laststype = data->laststype; |
1841 | PL_laststatval = data->laststatval; |
2277 | PL_laststatval = data->laststatval; |
1842 | PL_statcache = data->statcache; |
2278 | PL_statcache = data->statcache; |
1843 | } |
2279 | } |
1844 | |
2280 | |
|
|
2281 | |
|
|
2282 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
|
|
2283 | |
|
|
2284 | BOOT: |
|
|
2285 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
|
|
2286 | |
|
|
2287 | SV * |
|
|
2288 | _schedule (...) |
|
|
2289 | PROTOTYPE: @ |
|
|
2290 | CODE: |
|
|
2291 | { |
|
|
2292 | static int incede; |
|
|
2293 | |
|
|
2294 | api_cede_notself (); |
|
|
2295 | |
|
|
2296 | ++incede; |
|
|
2297 | while (coro_nready >= incede && api_cede ()) |
|
|
2298 | ; |
|
|
2299 | |
|
|
2300 | sv_setsv (sv_activity, &PL_sv_undef); |
|
|
2301 | if (coro_nready >= incede) |
|
|
2302 | { |
|
|
2303 | PUSHMARK (SP); |
|
|
2304 | PUTBACK; |
|
|
2305 | call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL); |
|
|
2306 | SPAGAIN; |
|
|
2307 | } |
|
|
2308 | |
|
|
2309 | --incede; |
|
|
2310 | } |
|
|
2311 | |
|
|
2312 | |
|
|
2313 | MODULE = Coro::State PACKAGE = PerlIO::cede |
|
|
2314 | |
|
|
2315 | BOOT: |
|
|
2316 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |