… | |
… | |
39 | # undef HAVE_MMAP |
39 | # undef HAVE_MMAP |
40 | # endif |
40 | # endif |
41 | # endif |
41 | # endif |
42 | #endif |
42 | #endif |
43 | |
43 | |
44 | #define MAY_FLUSH /* increases codesize and is rarely used */ |
|
|
45 | |
|
|
46 | #define SUB_INIT "Coro::State::initialize" |
44 | #define SUB_INIT "Coro::State::initialize" |
47 | #define UCORO_STATE "_coro_state" |
45 | #define UCORO_STATE "_coro_state" |
48 | |
46 | |
49 | /* The next macro should declare a variable stacklevel that contains and approximation |
47 | /* The next macro should declare a variable stacklevel that contains and approximation |
50 | * to the current C stack pointer. Its property is that it changes with each call |
48 | * to the current C stack pointer. Its property is that it changes with each call |
… | |
… | |
54 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
52 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
55 | |
53 | |
56 | #define labs(l) ((l) >= 0 ? (l) : -(l)) |
54 | #define labs(l) ((l) >= 0 ? (l) : -(l)) |
57 | |
55 | |
58 | #include "CoroAPI.h" |
56 | #include "CoroAPI.h" |
|
|
57 | |
|
|
58 | #ifdef USE_ITHREADS |
|
|
59 | static perl_mutex coro_mutex; |
|
|
60 | # define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) |
|
|
61 | # define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0) |
|
|
62 | #else |
|
|
63 | # define LOCK 0 |
|
|
64 | # define UNLOCK 0 |
|
|
65 | #endif |
59 | |
66 | |
60 | static struct CoroAPI coroapi; |
67 | static struct CoroAPI coroapi; |
61 | |
68 | |
62 | /* this is actually not only the c stack but also c registers etc... */ |
69 | /* this is actually not only the c stack but also c registers etc... */ |
63 | typedef struct { |
70 | typedef struct { |
… | |
… | |
127 | |
134 | |
128 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
135 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
129 | static HV *coro_state_stash; |
136 | static HV *coro_state_stash; |
130 | static SV *ucoro_state_sv; |
137 | static SV *ucoro_state_sv; |
131 | static U32 ucoro_state_hash; |
138 | static U32 ucoro_state_hash; |
132 | static HV *padlist_cache; |
|
|
133 | static SV *coro_mortal; /* will be freed after next transfer */ |
139 | static SV *coro_mortal; /* will be freed after next transfer */ |
134 | |
140 | |
135 | /* mostly copied from op.c:cv_clone2 */ |
141 | /* mostly copied from op.c:cv_clone2 */ |
136 | STATIC AV * |
142 | STATIC AV * |
137 | clone_padlist (AV *protopadlist) |
143 | clone_padlist (AV *protopadlist) |
… | |
… | |
166 | AvFLAGS (av) = AVf_REIFY; |
172 | AvFLAGS (av) = AVf_REIFY; |
167 | |
173 | |
168 | for (ix = fpad; ix > 0; ix--) |
174 | for (ix = fpad; ix > 0; ix--) |
169 | { |
175 | { |
170 | SV *namesv = (ix <= fname) ? pname[ix] : Nullsv; |
176 | SV *namesv = (ix <= fname) ? pname[ix] : Nullsv; |
|
|
177 | |
171 | if (namesv && namesv != &PL_sv_undef) |
178 | if (namesv && namesv != &PL_sv_undef) |
172 | { |
179 | { |
173 | char *name = SvPVX (namesv); /* XXX */ |
180 | char *name = SvPVX (namesv); /* XXX */ |
|
|
181 | |
174 | if (SvFLAGS (namesv) & SVf_FAKE || *name == '&') |
182 | if (SvFLAGS (namesv) & SVf_FAKE || *name == '&') |
175 | { /* lexical from outside? */ |
183 | { /* lexical from outside? */ |
176 | npad[ix] = SvREFCNT_inc (ppad[ix]); |
184 | npad[ix] = SvREFCNT_inc (ppad[ix]); |
177 | } |
185 | } |
178 | else |
186 | else |
… | |
… | |
184 | sv = (SV *) newAV (); |
192 | sv = (SV *) newAV (); |
185 | else if (*name == '%') |
193 | else if (*name == '%') |
186 | sv = (SV *) newHV (); |
194 | sv = (SV *) newHV (); |
187 | else |
195 | else |
188 | sv = NEWSV (0, 0); |
196 | sv = NEWSV (0, 0); |
|
|
197 | |
|
|
198 | #ifdef SvPADBUSY |
189 | if (!SvPADBUSY (sv)) |
199 | if (!SvPADBUSY (sv)) |
|
|
200 | #endif |
190 | SvPADMY_on (sv); |
201 | SvPADMY_on (sv); |
|
|
202 | |
191 | npad[ix] = sv; |
203 | npad[ix] = sv; |
192 | } |
204 | } |
193 | } |
205 | } |
194 | else if (IS_PADGV (ppad[ix]) || IS_PADCONST (ppad[ix])) |
206 | else if (IS_PADGV (ppad[ix]) || IS_PADCONST (ppad[ix])) |
195 | { |
207 | { |
… | |
… | |
224 | #endif |
236 | #endif |
225 | |
237 | |
226 | return newpadlist; |
238 | return newpadlist; |
227 | } |
239 | } |
228 | |
240 | |
229 | #ifdef MAY_FLUSH |
|
|
230 | STATIC void |
241 | STATIC void |
231 | free_padlist (AV *padlist) |
242 | free_padlist (AV *padlist) |
232 | { |
243 | { |
233 | /* may be during global destruction */ |
244 | /* may be during global destruction */ |
234 | if (SvREFCNT(padlist)) |
245 | if (SvREFCNT (padlist)) |
235 | { |
246 | { |
236 | I32 i = AvFILLp(padlist); |
247 | I32 i = AvFILLp (padlist); |
237 | while (i >= 0) |
248 | while (i >= 0) |
238 | { |
249 | { |
239 | SV **svp = av_fetch(padlist, i--, FALSE); |
250 | SV **svp = av_fetch (padlist, i--, FALSE); |
240 | SV *sv = svp ? *svp : Nullsv; |
|
|
241 | if (sv) |
251 | if (svp) |
|
|
252 | { |
|
|
253 | SV *sv; |
|
|
254 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
242 | SvREFCNT_dec(sv); |
255 | SvREFCNT_dec (sv); |
|
|
256 | |
|
|
257 | SvREFCNT_dec (*svp); |
|
|
258 | } |
243 | } |
259 | } |
244 | |
260 | |
245 | SvREFCNT_dec((SV*)padlist); |
261 | SvREFCNT_dec ((SV*)padlist); |
246 | } |
262 | } |
247 | } |
263 | } |
248 | #endif |
264 | |
|
|
265 | STATIC int |
|
|
266 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
267 | { |
|
|
268 | AV *padlist; |
|
|
269 | AV *av = (AV *)mg->mg_obj; |
|
|
270 | |
|
|
271 | /* casting is fun. */ |
|
|
272 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
273 | free_padlist (padlist); |
|
|
274 | } |
|
|
275 | |
|
|
276 | #define PERL_MAGIC_coro PERL_MAGIC_ext |
|
|
277 | |
|
|
278 | static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; |
249 | |
279 | |
250 | /* the next two functions merely cache the padlists */ |
280 | /* the next two functions merely cache the padlists */ |
251 | STATIC void |
281 | STATIC void |
252 | get_padlist (CV *cv) |
282 | get_padlist (CV *cv) |
253 | { |
283 | { |
254 | SV **he = hv_fetch (padlist_cache, (void *)&cv, sizeof (CV *), 0); |
284 | MAGIC *mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
255 | |
285 | |
256 | if (he && AvFILLp ((AV *)*he) >= 0) |
286 | if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0) |
257 | CvPADLIST (cv) = (AV *)av_pop ((AV *)*he); |
287 | CvPADLIST (cv) = (AV *)av_pop ((AV *)mg->mg_obj); |
258 | else |
288 | else |
259 | CvPADLIST (cv) = clone_padlist (CvPADLIST (cv)); |
289 | CvPADLIST (cv) = clone_padlist (CvPADLIST (cv)); |
260 | } |
290 | } |
261 | |
291 | |
262 | STATIC void |
292 | STATIC void |
263 | put_padlist (CV *cv) |
293 | put_padlist (CV *cv) |
264 | { |
294 | { |
265 | SV **he = hv_fetch (padlist_cache, (void *)&cv, sizeof (CV *), 1); |
295 | MAGIC *mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
266 | |
296 | |
267 | if (SvTYPE (*he) != SVt_PVAV) |
297 | if (!mg) |
268 | { |
298 | { |
269 | SvREFCNT_dec (*he); |
299 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
|
|
300 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
|
|
301 | mg->mg_virtual = &vtbl_coro; |
270 | *he = (SV *)newAV (); |
302 | mg->mg_obj = (SV *)newAV (); |
271 | } |
303 | } |
272 | |
304 | |
273 | av_push ((AV *)*he, (SV *)CvPADLIST (cv)); |
305 | av_push ((AV *)mg->mg_obj, (SV *)CvPADLIST (cv)); |
274 | } |
306 | } |
275 | |
|
|
276 | #ifdef MAY_FLUSH |
|
|
277 | STATIC void |
|
|
278 | flush_padlist_cache () |
|
|
279 | { |
|
|
280 | HV *hv = padlist_cache; |
|
|
281 | padlist_cache = newHV (); |
|
|
282 | |
|
|
283 | if (hv_iterinit (hv)) |
|
|
284 | { |
|
|
285 | HE *he; |
|
|
286 | AV *padlist; |
|
|
287 | |
|
|
288 | while (!!(he = hv_iternext (hv))) |
|
|
289 | { |
|
|
290 | AV *av = (AV *)HeVAL(he); |
|
|
291 | |
|
|
292 | /* casting is fun. */ |
|
|
293 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
294 | free_padlist (padlist); |
|
|
295 | } |
|
|
296 | } |
|
|
297 | |
|
|
298 | SvREFCNT_dec (hv); |
|
|
299 | } |
|
|
300 | #endif |
|
|
301 | |
307 | |
302 | #define SB do { |
308 | #define SB do { |
303 | #define SE } while (0) |
309 | #define SE } while (0) |
304 | |
310 | |
305 | #define LOAD(state) load_state(aTHX_ (state)); |
311 | #define LOAD(state) load_state(aTHX_ (state)); |
… | |
… | |
356 | |
362 | |
357 | if (padlist) |
363 | if (padlist) |
358 | { |
364 | { |
359 | put_padlist (cv); /* mark this padlist as available */ |
365 | put_padlist (cv); /* mark this padlist as available */ |
360 | CvPADLIST(cv) = padlist; |
366 | CvPADLIST(cv) = padlist; |
361 | #ifdef USE_THREADS |
|
|
362 | /*CvOWNER(cv) = (struct perl_thread *)POPs;*/ |
|
|
363 | #endif |
|
|
364 | } |
367 | } |
365 | |
368 | |
366 | ++CvDEPTH(cv); |
369 | ++CvDEPTH(cv); |
367 | } |
370 | } |
368 | |
371 | |
… | |
… | |
395 | if (CxTYPE(cx) == CXt_SUB) |
398 | if (CxTYPE(cx) == CXt_SUB) |
396 | { |
399 | { |
397 | CV *cv = cx->blk_sub.cv; |
400 | CV *cv = cx->blk_sub.cv; |
398 | if (CvDEPTH(cv)) |
401 | if (CvDEPTH(cv)) |
399 | { |
402 | { |
400 | #ifdef USE_THREADS |
|
|
401 | /*XPUSHs ((SV *)CvOWNER(cv));*/ |
|
|
402 | /*CvOWNER(cv) = 0;*/ |
|
|
403 | /*error must unlock this cv etc.. etc...*/ |
|
|
404 | #endif |
|
|
405 | EXTEND (SP, CvDEPTH(cv)*2); |
403 | EXTEND (SP, CvDEPTH(cv)*2); |
406 | |
404 | |
407 | while (--CvDEPTH(cv)) |
405 | while (--CvDEPTH(cv)) |
408 | { |
406 | { |
409 | /* this tells the restore code to increment CvDEPTH */ |
407 | /* this tells the restore code to increment CvDEPTH */ |
… | |
… | |
475 | } |
473 | } |
476 | |
474 | |
477 | /* |
475 | /* |
478 | * allocate various perl stacks. This is an exact copy |
476 | * allocate various perl stacks. This is an exact copy |
479 | * of perl.c:init_stacks, except that it uses less memory |
477 | * of perl.c:init_stacks, except that it uses less memory |
480 | * on the assumption that coroutines do not usually need |
478 | * on the (sometimes correct) assumption that coroutines do |
481 | * a lot of stackspace. |
479 | * not usually need a lot of stackspace. |
482 | */ |
480 | */ |
483 | STATIC void |
481 | STATIC void |
484 | coro_init_stacks (pTHX) |
482 | coro_init_stacks (pTHX) |
485 | { |
483 | { |
|
|
484 | LOCK; |
|
|
485 | |
486 | PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1); |
486 | PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1); |
487 | PL_curstackinfo->si_type = PERLSI_MAIN; |
487 | PL_curstackinfo->si_type = PERLSI_MAIN; |
488 | PL_curstack = PL_curstackinfo->si_stack; |
488 | PL_curstack = PL_curstackinfo->si_stack; |
489 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
489 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
490 | |
490 | |
… | |
… | |
514 | PL_savestack_max = 96; |
514 | PL_savestack_max = 96; |
515 | |
515 | |
516 | New(54,PL_retstack,8,OP*); |
516 | New(54,PL_retstack,8,OP*); |
517 | PL_retstack_ix = 0; |
517 | PL_retstack_ix = 0; |
518 | PL_retstack_max = 8; |
518 | PL_retstack_max = 8; |
|
|
519 | |
|
|
520 | UNLOCK; |
519 | } |
521 | } |
520 | |
522 | |
521 | /* |
523 | /* |
522 | * destroy the stacks, the callchain etc... |
524 | * destroy the stacks, the callchain etc... |
523 | */ |
525 | */ |
… | |
… | |
525 | destroy_stacks(pTHX) |
527 | destroy_stacks(pTHX) |
526 | { |
528 | { |
527 | if (!IN_DESTRUCT) |
529 | if (!IN_DESTRUCT) |
528 | { |
530 | { |
529 | /* is this ugly, I ask? */ |
531 | /* is this ugly, I ask? */ |
530 | while (PL_scopestack_ix) |
532 | LEAVE_SCOPE (0); |
531 | LEAVE; |
|
|
532 | |
533 | |
533 | /* sure it is, but more important: is it correct?? :/ */ |
534 | /* sure it is, but more important: is it correct?? :/ */ |
534 | while (PL_tmps_ix > PL_tmps_floor) /* should only ever be one iteration */ |
|
|
535 | FREETMPS; |
535 | FREETMPS; |
536 | } |
536 | } |
537 | |
537 | |
538 | while (PL_curstackinfo->si_next) |
538 | while (PL_curstackinfo->si_next) |
539 | PL_curstackinfo = PL_curstackinfo->si_next; |
539 | PL_curstackinfo = PL_curstackinfo->si_next; |
540 | |
540 | |
… | |
… | |
574 | New (0, stack, 1, coro_stack); |
574 | New (0, stack, 1, coro_stack); |
575 | |
575 | |
576 | stack->refcnt = 1; |
576 | stack->refcnt = 1; |
577 | stack->usecnt = 1; |
577 | stack->usecnt = 1; |
578 | stack->gencnt = ctx->gencnt = 0; |
578 | stack->gencnt = ctx->gencnt = 0; |
|
|
579 | |
579 | if (alloc) |
580 | if (alloc) |
580 | { |
581 | { |
581 | #if HAVE_MMAP |
582 | #if HAVE_MMAP |
582 | stack->ssize = 128 * 1024 * sizeof (long); /* mmap should do allocate-on-write for us */ |
583 | stack->ssize = 16384 * sizeof (long); /* mmap should do allocate-on-write for us */ |
583 | stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
584 | stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
584 | if (stack->sptr == (void *)-1) |
585 | if (stack->sptr == (void *)-1) |
585 | #endif |
586 | #endif |
586 | { |
587 | { |
587 | /*FIXME*//*D*//* reasonable stack size! */ |
588 | /*FIXME*//*D*//* reasonable stack size! */ |
588 | stack->ssize = -4096 * sizeof (long); |
589 | stack->ssize = - (8192 * sizeof (long)); |
589 | New (0, stack->sptr, 4096, long); |
590 | New (0, stack->sptr, 8192, long); |
590 | } |
591 | } |
591 | } |
592 | } |
592 | else |
593 | else |
593 | stack->sptr = 0; |
594 | stack->sptr = 0; |
594 | |
595 | |
… | |
… | |
626 | /* |
627 | /* |
627 | * emulate part of the perl startup here. |
628 | * emulate part of the perl startup here. |
628 | */ |
629 | */ |
629 | dSP; |
630 | dSP; |
630 | Coro__State ctx = (Coro__State)arg; |
631 | Coro__State ctx = (Coro__State)arg; |
631 | SV *sub_init = (SV*)get_cv(SUB_INIT, FALSE); |
632 | SV *sub_init = (SV *)get_cv (SUB_INIT, FALSE); |
632 | |
633 | |
633 | coro_init_stacks (aTHX); |
634 | coro_init_stacks (aTHX); |
634 | /*PL_curcop = 0;*/ |
635 | /*PL_curcop = 0;*/ |
635 | /*PL_in_eval = PL_in_eval;*/ /* inherit */ |
636 | /*PL_in_eval = PL_in_eval;*/ /* inherit */ |
636 | SvREFCNT_dec (GvAV (PL_defgv)); |
637 | SvREFCNT_dec (GvAV (PL_defgv)); |
… | |
… | |
695 | |
696 | |
696 | abort (); |
697 | abort (); |
697 | } |
698 | } |
698 | |
699 | |
699 | STATIC void |
700 | STATIC void |
700 | transfer(pTHX_ struct coro *prev, struct coro *next, int flags) |
701 | transfer (pTHX_ struct coro *prev, struct coro *next, int flags) |
701 | { |
702 | { |
702 | dSTACKLEVEL; |
703 | dSTACKLEVEL; |
703 | static struct coro *xnext; |
|
|
704 | |
704 | |
705 | if (prev != next) |
705 | if (prev != next) |
706 | { |
706 | { |
707 | xnext = next; |
|
|
708 | |
|
|
709 | if (next->mainstack) |
707 | if (next->mainstack) |
710 | { |
708 | { |
|
|
709 | LOCK; |
711 | SAVE (prev, flags); |
710 | SAVE (prev, flags); |
712 | LOAD (next); |
711 | LOAD (next); |
|
|
712 | UNLOCK; |
713 | |
713 | |
714 | /* mark this state as in-use */ |
714 | /* mark this state as in-use */ |
715 | next->mainstack = 0; |
715 | next->mainstack = 0; |
716 | next->tmps_ix = -2; |
716 | next->tmps_ix = -2; |
717 | |
717 | |
… | |
… | |
736 | continue_coro, (void *)next, |
736 | continue_coro, (void *)next, |
737 | next->stack->sptr, labs (next->stack->ssize)); |
737 | next->stack->sptr, labs (next->stack->ssize)); |
738 | } |
738 | } |
739 | |
739 | |
740 | coro_transfer (&(prev->stack->cctx), &(next->stack->cctx)); |
740 | coro_transfer (&(prev->stack->cctx), &(next->stack->cctx)); |
|
|
741 | prev->cursp = stacklevel; |
741 | /* don't add any code here */ |
742 | /* don't add any code here */ |
742 | } |
743 | } |
743 | |
744 | else |
|
|
745 | next->cursp = stacklevel; |
744 | } |
746 | } |
745 | else if (next->tmps_ix == -2) |
747 | else if (next->tmps_ix == -2) |
746 | croak ("tried to transfer to running coroutine"); |
748 | croak ("tried to transfer to running coroutine"); |
747 | else |
749 | else |
748 | { |
750 | { |
|
|
751 | LOCK; |
749 | SAVE (prev, -1); /* first get rid of the old state */ |
752 | SAVE (prev, -1); /* first get rid of the old state */ |
|
|
753 | UNLOCK; |
750 | |
754 | |
751 | if (flags & TRANSFER_SAVE_CCTXT) |
755 | if (flags & TRANSFER_SAVE_CCTXT) |
752 | { |
756 | { |
753 | if (!prev->stack) |
757 | if (!prev->stack) |
754 | allocate_stack (prev, 0); |
758 | allocate_stack (prev, 0); |
… | |
… | |
756 | if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK) |
760 | if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK) |
757 | { |
761 | { |
758 | PL_top_env = &next->start_env; |
762 | PL_top_env = &next->start_env; |
759 | |
763 | |
760 | setup_coro (next); |
764 | setup_coro (next); |
|
|
765 | next->cursp = stacklevel; |
761 | |
766 | |
762 | prev->stack->refcnt++; |
767 | prev->stack->refcnt++; |
763 | prev->stack->usecnt++; |
768 | prev->stack->usecnt++; |
764 | next->stack = prev->stack; |
769 | next->stack = prev->stack; |
765 | next->gencnt = prev->gencnt; |
770 | next->gencnt = prev->gencnt; |
… | |
… | |
770 | allocate_stack (next, 1); |
775 | allocate_stack (next, 1); |
771 | coro_create (&(next->stack->cctx), |
776 | coro_create (&(next->stack->cctx), |
772 | setup_coro, (void *)next, |
777 | setup_coro, (void *)next, |
773 | next->stack->sptr, labs (next->stack->ssize)); |
778 | next->stack->sptr, labs (next->stack->ssize)); |
774 | coro_transfer (&(prev->stack->cctx), &(next->stack->cctx)); |
779 | coro_transfer (&(prev->stack->cctx), &(next->stack->cctx)); |
|
|
780 | prev->cursp = stacklevel; |
775 | /* don't add any code here */ |
781 | /* don't add any code here */ |
776 | } |
782 | } |
777 | } |
783 | } |
778 | else |
784 | else |
|
|
785 | { |
779 | setup_coro (next); |
786 | setup_coro (next); |
|
|
787 | next->cursp = stacklevel; |
|
|
788 | } |
780 | } |
789 | } |
781 | |
|
|
782 | /* |
|
|
783 | * xnext is now either prev or next, depending on wether |
|
|
784 | * we switched the c stack or not. that's why I use a global |
|
|
785 | * variable, that should become thread-specific at one point. |
|
|
786 | */ |
|
|
787 | xnext->cursp = stacklevel; |
|
|
788 | } |
790 | } |
789 | |
791 | |
|
|
792 | LOCK; |
790 | if (coro_mortal) |
793 | if (coro_mortal) |
791 | { |
794 | { |
792 | SvREFCNT_dec (coro_mortal); |
795 | SvREFCNT_dec (coro_mortal); |
793 | coro_mortal = 0; |
796 | coro_mortal = 0; |
794 | } |
797 | } |
|
|
798 | UNLOCK; |
795 | } |
799 | } |
796 | |
800 | |
797 | #define SV_CORO(sv,func) \ |
801 | #define SV_CORO(sv,func) \ |
798 | do { \ |
802 | do { \ |
799 | if (SvROK (sv)) \ |
803 | if (SvROK (sv)) \ |
800 | sv = SvRV (sv); \ |
804 | sv = SvRV (sv); \ |
801 | \ |
805 | \ |
802 | if (SvTYPE(sv) == SVt_PVHV) \ |
806 | if (SvTYPE (sv) == SVt_PVHV) \ |
803 | { \ |
807 | { \ |
804 | HE *he = hv_fetch_ent((HV *)sv, ucoro_state_sv, 0, ucoro_state_hash); \ |
808 | HE *he = hv_fetch_ent ((HV *)sv, ucoro_state_sv, 0, ucoro_state_hash); \ |
805 | \ |
809 | \ |
806 | if (!he) \ |
810 | if (!he) \ |
807 | croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", func, # sv); \ |
811 | croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", func, # sv); \ |
808 | \ |
812 | \ |
809 | (sv) = SvRV (HeVAL(he)); \ |
813 | (sv) = SvRV (HeVAL(he)); \ |
810 | } \ |
814 | } \ |
811 | \ |
815 | \ |
812 | /* must also be changed inside Coro::Cont::yield */ \ |
816 | /* must also be changed inside Coro::Cont::yield */ \ |
813 | if (!SvOBJECT(sv) || SvSTASH(sv) != coro_state_stash) \ |
817 | if (!SvOBJECT (sv) || SvSTASH (sv) != coro_state_stash) \ |
814 | croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \ |
818 | croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \ |
815 | \ |
819 | \ |
816 | } while(0) |
820 | } while(0) |
817 | |
821 | |
818 | #define SvSTATE(sv) (struct coro *)SvIV (sv) |
822 | #define SvSTATE(sv) (struct coro *)SvIV (sv) |
… | |
… | |
884 | api_ready (SV *coro) |
888 | api_ready (SV *coro) |
885 | { |
889 | { |
886 | if (SvROK (coro)) |
890 | if (SvROK (coro)) |
887 | coro = SvRV (coro); |
891 | coro = SvRV (coro); |
888 | |
892 | |
|
|
893 | LOCK; |
889 | coro_enq (SvREFCNT_inc (coro)); |
894 | coro_enq (SvREFCNT_inc (coro)); |
|
|
895 | UNLOCK; |
890 | } |
896 | } |
891 | |
897 | |
892 | static void |
898 | static void |
893 | api_schedule (void) |
899 | api_schedule (void) |
894 | { |
900 | { |
895 | SV *prev, *next; |
901 | SV *prev, *next; |
|
|
902 | |
|
|
903 | LOCK; |
896 | |
904 | |
897 | prev = SvRV (GvSV (coro_current)); |
905 | prev = SvRV (GvSV (coro_current)); |
898 | next = coro_deq (PRIO_MIN); |
906 | next = coro_deq (PRIO_MIN); |
899 | |
907 | |
900 | if (!next) |
908 | if (!next) |
… | |
… | |
906 | |
914 | |
907 | SvRV (GvSV (coro_current)) = next; |
915 | SvRV (GvSV (coro_current)) = next; |
908 | |
916 | |
909 | SV_CORO (next, "Coro::schedule"); |
917 | SV_CORO (next, "Coro::schedule"); |
910 | |
918 | |
|
|
919 | UNLOCK; |
|
|
920 | |
911 | transfer (aTHX_ SvSTATE (prev), SvSTATE (next), |
921 | transfer (aTHX_ SvSTATE (prev), SvSTATE (next), |
912 | TRANSFER_SAVE_ALL | TRANSFER_LAZY_STACK); |
922 | TRANSFER_SAVE_ALL | TRANSFER_LAZY_STACK); |
913 | } |
923 | } |
914 | |
924 | |
915 | static void |
925 | static void |
916 | api_cede (void) |
926 | api_cede (void) |
917 | { |
927 | { |
|
|
928 | LOCK; |
918 | coro_enq (SvREFCNT_inc (SvRV (GvSV (coro_current)))); |
929 | coro_enq (SvREFCNT_inc (SvRV (GvSV (coro_current)))); |
|
|
930 | UNLOCK; |
919 | |
931 | |
920 | api_schedule (); |
932 | api_schedule (); |
921 | } |
933 | } |
922 | |
934 | |
923 | MODULE = Coro::State PACKAGE = Coro::State |
935 | MODULE = Coro::State PACKAGE = Coro::State |
924 | |
936 | |
925 | PROTOTYPES: ENABLE |
937 | PROTOTYPES: ENABLE |
926 | |
938 | |
927 | BOOT: |
939 | BOOT: |
928 | { /* {} necessary for stoopid perl-5.6.x */ |
940 | { /* {} necessary for stoopid perl-5.6.x */ |
|
|
941 | #ifdef USE_ITHREADS |
|
|
942 | MUTEX_INIT (&coro_mutex); |
|
|
943 | #endif |
|
|
944 | |
929 | ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1); |
945 | ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1); |
930 | PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1); |
946 | PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1); |
931 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
947 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
932 | |
948 | |
933 | newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV)); |
949 | newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV)); |
934 | newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV)); |
950 | newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV)); |
935 | newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV)); |
951 | newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV)); |
936 | newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT)); |
952 | newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT)); |
937 | |
|
|
938 | if (!padlist_cache) |
|
|
939 | padlist_cache = newHV (); |
|
|
940 | |
953 | |
941 | main_mainstack = PL_mainstack; |
954 | main_mainstack = PL_mainstack; |
942 | |
955 | |
943 | coroapi.ver = CORO_API_VERSION; |
956 | coroapi.ver = CORO_API_VERSION; |
944 | coroapi.transfer = api_transfer; |
957 | coroapi.transfer = api_transfer; |
… | |
… | |
1008 | deallocate_stack (coro); |
1021 | deallocate_stack (coro); |
1009 | SvREFCNT_dec (coro->args); |
1022 | SvREFCNT_dec (coro->args); |
1010 | Safefree (coro); |
1023 | Safefree (coro); |
1011 | |
1024 | |
1012 | void |
1025 | void |
1013 | flush() |
|
|
1014 | CODE: |
|
|
1015 | #ifdef MAY_FLUSH |
|
|
1016 | flush_padlist_cache (); |
|
|
1017 | #endif |
|
|
1018 | |
|
|
1019 | void |
|
|
1020 | _exit(code) |
1026 | _exit(code) |
1021 | int code |
1027 | int code |
1022 | PROTOTYPE: $ |
1028 | PROTOTYPE: $ |
1023 | CODE: |
1029 | CODE: |
1024 | #if defined(__GLIBC__) || _POSIX_C_SOURCE |
|
|
1025 | _exit (code); |
1030 | _exit (code); |
1026 | #else |
|
|
1027 | signal (SIGTERM, SIG_DFL); |
|
|
1028 | raise (SIGTERM); |
|
|
1029 | exit (code); |
|
|
1030 | #endif |
|
|
1031 | |
1031 | |
1032 | MODULE = Coro::State PACKAGE = Coro::Cont |
1032 | MODULE = Coro::State PACKAGE = Coro::Cont |
1033 | |
1033 | |
1034 | # this is slightly dirty (should expose a c-level api) |
1034 | # this is slightly dirty (should expose a c-level api) |
1035 | |
1035 | |
… | |
… | |
1094 | sv_setiv(sv, (IV)&coroapi); |
1094 | sv_setiv(sv, (IV)&coroapi); |
1095 | SvREADONLY_on(sv); |
1095 | SvREADONLY_on(sv); |
1096 | } |
1096 | } |
1097 | } |
1097 | } |
1098 | |
1098 | |
|
|
1099 | #if !PERL_MICRO |
|
|
1100 | |
1099 | void |
1101 | void |
1100 | ready(self) |
1102 | ready(self) |
1101 | SV * self |
1103 | SV * self |
1102 | PROTOTYPE: $ |
1104 | PROTOTYPE: $ |
1103 | CODE: |
1105 | CODE: |
1104 | api_ready (self); |
1106 | api_ready (self); |
|
|
1107 | |
|
|
1108 | #endif |
1105 | |
1109 | |
1106 | int |
1110 | int |
1107 | nready(...) |
1111 | nready(...) |
1108 | PROTOTYPE: |
1112 | PROTOTYPE: |
1109 | CODE: |
1113 | CODE: |