… | |
… | |
16 | |
16 | |
17 | #ifdef WIN32 |
17 | #ifdef WIN32 |
18 | # undef setjmp |
18 | # undef setjmp |
19 | # undef longjmp |
19 | # undef longjmp |
20 | # undef _exit |
20 | # undef _exit |
21 | # define setjmp _setjmp // deep magic, don't ask |
21 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
22 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
23 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
24 | #endif |
25 | |
25 | |
26 | #ifdef HAVE_MMAP |
26 | #ifdef HAVE_MMAP |
… | |
… | |
55 | |
55 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
57 | (PERL_REVISION > (a) \ |
57 | (PERL_REVISION > (a) \ |
58 | || (PERL_REVISION == (a) \ |
58 | || (PERL_REVISION == (a) \ |
59 | && (PERL_VERSION > (b) \ |
59 | && (PERL_VERSION > (b) \ |
60 | || (PERL_VERSION == (b) && PERLSUBVERSION >= (c))))) |
60 | || (PERL_VERSION == (b) && PERL_SUBVERSION >= (c))))) |
61 | |
61 | |
62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
63 | # ifndef PL_ppaddr |
63 | # ifndef PL_ppaddr |
64 | # define PL_ppaddr ppaddr |
64 | # define PL_ppaddr ppaddr |
65 | # endif |
65 | # endif |
… | |
… | |
98 | # define newSV(l) NEWSV(0,l) |
98 | # define newSV(l) NEWSV(0,l) |
99 | #endif |
99 | #endif |
100 | #ifndef CvISXSUB_on |
100 | #ifndef CvISXSUB_on |
101 | # define CvISXSUB_on(cv) (void)cv |
101 | # define CvISXSUB_on(cv) (void)cv |
102 | #endif |
102 | #endif |
|
|
103 | #ifndef CvISXSUB |
|
|
104 | # define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE) |
|
|
105 | #endif |
|
|
106 | #ifndef Newx |
|
|
107 | # define Newx(ptr,nitems,type) New (0,ptr,nitems,type) |
|
|
108 | #endif |
103 | |
109 | |
104 | /* 5.8.7 */ |
110 | /* 5.8.7 */ |
105 | #ifndef SvRV_set |
111 | #ifndef SvRV_set |
106 | # define SvRV_set(s,v) SvRV(s) = (v) |
112 | # define SvRV_set(s,v) SvRV(s) = (v) |
107 | #endif |
113 | #endif |
… | |
… | |
167 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
173 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
168 | static JMPENV *main_top_env; |
174 | static JMPENV *main_top_env; |
169 | static HV *coro_state_stash, *coro_stash; |
175 | static HV *coro_state_stash, *coro_stash; |
170 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
176 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
171 | |
177 | |
|
|
178 | static AV *av_destroy; /* destruction queue */ |
|
|
179 | static SV *sv_manager; /* the manager coro */ |
|
|
180 | |
172 | static GV *irsgv; /* $/ */ |
181 | static GV *irsgv; /* $/ */ |
173 | static GV *stdoutgv; /* *STDOUT */ |
182 | static GV *stdoutgv; /* *STDOUT */ |
174 | static SV *rv_diehook; |
183 | static SV *rv_diehook; |
175 | static SV *rv_warnhook; |
184 | static SV *rv_warnhook; |
176 | static HV *hv_sig; /* %SIG */ |
185 | static HV *hv_sig; /* %SIG */ |
177 | |
186 | |
178 | /* async_pool helper stuff */ |
187 | /* async_pool helper stuff */ |
179 | static SV *sv_pool_rss; |
188 | static SV *sv_pool_rss; |
180 | static SV *sv_pool_size; |
189 | static SV *sv_pool_size; |
|
|
190 | static SV *sv_async_pool_idle; /* description string */ |
181 | static AV *av_async_pool; |
191 | static AV *av_async_pool; /* idle pool */ |
|
|
192 | static SV *sv_Coro; /* class string */ |
|
|
193 | static CV *cv_pool_handler; |
|
|
194 | static CV *cv_coro_state_new; |
182 | |
195 | |
183 | /* Coro::AnyEvent */ |
196 | /* Coro::AnyEvent */ |
184 | static SV *sv_activity; |
197 | static SV *sv_activity; |
185 | |
198 | |
186 | static struct coro_cctx *cctx_first; |
199 | static struct coro_cctx *cctx_first; |
… | |
… | |
215 | int valgrind_id; |
228 | int valgrind_id; |
216 | #endif |
229 | #endif |
217 | unsigned char flags; |
230 | unsigned char flags; |
218 | } coro_cctx; |
231 | } coro_cctx; |
219 | |
232 | |
|
|
233 | coro_cctx *cctx_current; /* the currently running cctx */ |
|
|
234 | |
|
|
235 | /*****************************************************************************/ |
|
|
236 | |
220 | enum { |
237 | enum { |
221 | CF_RUNNING = 0x0001, /* coroutine is running */ |
238 | CF_RUNNING = 0x0001, /* coroutine is running */ |
222 | CF_READY = 0x0002, /* coroutine is ready */ |
239 | CF_READY = 0x0002, /* coroutine is ready */ |
223 | CF_NEW = 0x0004, /* has never been switched to */ |
240 | CF_NEW = 0x0004, /* has never been switched to */ |
224 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
241 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
… | |
… | |
246 | /* state data */ |
263 | /* state data */ |
247 | struct CoroSLF slf_frame; /* saved slf frame */ |
264 | struct CoroSLF slf_frame; /* saved slf frame */ |
248 | AV *mainstack; |
265 | AV *mainstack; |
249 | perl_slots *slot; /* basically the saved sp */ |
266 | perl_slots *slot; /* basically the saved sp */ |
250 | |
267 | |
|
|
268 | CV *startcv; /* the CV to execute */ |
251 | AV *args; /* data associated with this coroutine (initial args) */ |
269 | AV *args; /* data associated with this coroutine (initial args) */ |
252 | int refcnt; /* coroutines are refcounted, yes */ |
270 | int refcnt; /* coroutines are refcounted, yes */ |
253 | int flags; /* CF_ flags */ |
271 | int flags; /* CF_ flags */ |
254 | HV *hv; /* the perl hash associated with this coro, if any */ |
272 | HV *hv; /* the perl hash associated with this coro, if any */ |
255 | void (*on_destroy)(pTHX_ struct coro *coro); |
273 | void (*on_destroy)(pTHX_ struct coro *coro); |
256 | |
274 | |
257 | /* statistics */ |
275 | /* statistics */ |
258 | int usecount; /* number of transfers to this coro */ |
276 | int usecount; /* number of transfers to this coro */ |
259 | |
277 | |
260 | /* coro process data */ |
278 | /* coro process data */ |
261 | int prio; |
279 | int prio; |
262 | SV *except; /* exception to be thrown */ |
280 | SV *except; /* exception to be thrown */ |
|
|
281 | SV *rouse_cb; |
263 | |
282 | |
264 | /* async_pool */ |
283 | /* async_pool */ |
265 | SV *saved_deffh; |
284 | SV *saved_deffh; |
|
|
285 | SV *invoke_cb; |
|
|
286 | AV *invoke_av; |
266 | |
287 | |
267 | /* linked list */ |
288 | /* linked list */ |
268 | struct coro *next, *prev; |
289 | struct coro *next, *prev; |
269 | }; |
290 | }; |
270 | |
291 | |
… | |
… | |
287 | |
308 | |
288 | /* for Coro.pm */ |
309 | /* for Coro.pm */ |
289 | static SV *coro_current; |
310 | static SV *coro_current; |
290 | static SV *coro_readyhook; |
311 | static SV *coro_readyhook; |
291 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
312 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
|
|
313 | static CV *cv_coro_run, *cv_coro_terminate; |
292 | static struct coro *coro_first; |
314 | static struct coro *coro_first; |
293 | #define coro_nready coroapi.nready |
315 | #define coro_nready coroapi.nready |
294 | |
316 | |
295 | /** lowlevel stuff **********************************************************/ |
317 | /** lowlevel stuff **********************************************************/ |
296 | |
318 | |
… | |
… | |
322 | get_hv (name, create); |
344 | get_hv (name, create); |
323 | #endif |
345 | #endif |
324 | return get_hv (name, create); |
346 | return get_hv (name, create); |
325 | } |
347 | } |
326 | |
348 | |
|
|
349 | /* may croak */ |
|
|
350 | INLINE CV * |
|
|
351 | coro_sv_2cv (pTHX_ SV *sv) |
|
|
352 | { |
|
|
353 | HV *st; |
|
|
354 | GV *gvp; |
|
|
355 | return sv_2cv (sv, &st, &gvp, 0); |
|
|
356 | } |
|
|
357 | |
327 | static AV * |
358 | static AV * |
328 | coro_clone_padlist (pTHX_ CV *cv) |
359 | coro_derive_padlist (pTHX_ CV *cv) |
329 | { |
360 | { |
330 | AV *padlist = CvPADLIST (cv); |
361 | AV *padlist = CvPADLIST (cv); |
331 | AV *newpadlist, *newpad; |
362 | AV *newpadlist, *newpad; |
332 | |
363 | |
333 | newpadlist = newAV (); |
364 | newpadlist = newAV (); |
… | |
… | |
448 | else |
479 | else |
449 | { |
480 | { |
450 | #if CORO_PREFER_PERL_FUNCTIONS |
481 | #if CORO_PREFER_PERL_FUNCTIONS |
451 | /* this is probably cleaner? but also slower! */ |
482 | /* this is probably cleaner? but also slower! */ |
452 | /* in practise, it seems to be less stable */ |
483 | /* in practise, it seems to be less stable */ |
453 | CV *cp = Perl_cv_clone (cv); |
484 | CV *cp = Perl_cv_clone (aTHX_ cv); |
454 | CvPADLIST (cv) = CvPADLIST (cp); |
485 | CvPADLIST (cv) = CvPADLIST (cp); |
455 | CvPADLIST (cp) = 0; |
486 | CvPADLIST (cp) = 0; |
456 | SvREFCNT_dec (cp); |
487 | SvREFCNT_dec (cp); |
457 | #else |
488 | #else |
458 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
489 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
459 | #endif |
490 | #endif |
460 | } |
491 | } |
461 | } |
492 | } |
462 | |
493 | |
463 | static void |
494 | static void |
… | |
… | |
602 | * of perl.c:init_stacks, except that it uses less memory |
633 | * of perl.c:init_stacks, except that it uses less memory |
603 | * on the (sometimes correct) assumption that coroutines do |
634 | * on the (sometimes correct) assumption that coroutines do |
604 | * not usually need a lot of stackspace. |
635 | * not usually need a lot of stackspace. |
605 | */ |
636 | */ |
606 | #if CORO_PREFER_PERL_FUNCTIONS |
637 | #if CORO_PREFER_PERL_FUNCTIONS |
607 | # define coro_init_stacks init_stacks |
638 | # define coro_init_stacks(thx) init_stacks () |
608 | #else |
639 | #else |
609 | static void |
640 | static void |
610 | coro_init_stacks (pTHX) |
641 | coro_init_stacks (pTHX) |
611 | { |
642 | { |
612 | PL_curstackinfo = new_stackinfo(32, 8); |
643 | PL_curstackinfo = new_stackinfo(32, 8); |
… | |
… | |
675 | #if !PERL_VERSION_ATLEAST (5,10,0) |
706 | #if !PERL_VERSION_ATLEAST (5,10,0) |
676 | Safefree (PL_retstack); |
707 | Safefree (PL_retstack); |
677 | #endif |
708 | #endif |
678 | } |
709 | } |
679 | |
710 | |
|
|
711 | #define CORO_RSS \ |
|
|
712 | rss += sizeof (SYM (curstackinfo)); \ |
|
|
713 | rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \ |
|
|
714 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \ |
|
|
715 | rss += SYM (tmps_max) * sizeof (SV *); \ |
|
|
716 | rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \ |
|
|
717 | rss += SYM (scopestack_max) * sizeof (I32); \ |
|
|
718 | rss += SYM (savestack_max) * sizeof (ANY); |
|
|
719 | |
680 | static size_t |
720 | static size_t |
681 | coro_rss (pTHX_ struct coro *coro) |
721 | coro_rss (pTHX_ struct coro *coro) |
682 | { |
722 | { |
683 | size_t rss = sizeof (*coro); |
723 | size_t rss = sizeof (*coro); |
684 | |
724 | |
685 | if (coro->mainstack) |
725 | if (coro->mainstack) |
686 | { |
726 | { |
687 | perl_slots tmp_slot; |
|
|
688 | perl_slots *slot; |
|
|
689 | |
|
|
690 | if (coro->flags & CF_RUNNING) |
727 | if (coro->flags & CF_RUNNING) |
691 | { |
728 | { |
692 | slot = &tmp_slot; |
729 | #define SYM(sym) PL_ ## sym |
693 | |
730 | CORO_RSS; |
694 | #define VAR(name,type) slot->name = PL_ ## name; |
|
|
695 | # include "state.h" |
|
|
696 | #undef VAR |
731 | #undef SYM |
697 | } |
732 | } |
698 | else |
733 | else |
699 | slot = coro->slot; |
|
|
700 | |
|
|
701 | if (slot) |
|
|
702 | { |
734 | { |
703 | rss += sizeof (slot->curstackinfo); |
735 | #define SYM(sym) coro->slot->sym |
704 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
736 | CORO_RSS; |
705 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
737 | #undef SYM |
706 | rss += slot->tmps_max * sizeof (SV *); |
|
|
707 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
|
|
708 | rss += slot->scopestack_max * sizeof (I32); |
|
|
709 | rss += slot->savestack_max * sizeof (ANY); |
|
|
710 | |
|
|
711 | #if !PERL_VERSION_ATLEAST (5,10,0) |
|
|
712 | rss += slot->retstack_max * sizeof (OP *); |
|
|
713 | #endif |
|
|
714 | } |
738 | } |
715 | } |
739 | } |
716 | |
740 | |
717 | return rss; |
741 | return rss; |
718 | } |
742 | } |
… | |
… | |
820 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
844 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
821 | { |
845 | { |
822 | return 0; |
846 | return 0; |
823 | } |
847 | } |
824 | |
848 | |
|
|
849 | static int |
|
|
850 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
|
|
851 | { |
|
|
852 | return 1; |
|
|
853 | } |
|
|
854 | |
825 | static UNOP coro_setup_op; |
855 | static UNOP coro_setup_op; |
826 | |
856 | |
827 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
857 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
828 | coro_setup (pTHX_ struct coro *coro) |
858 | coro_setup (pTHX_ struct coro *coro) |
829 | { |
859 | { |
… | |
… | |
860 | dSP; |
890 | dSP; |
861 | UNOP myop; |
891 | UNOP myop; |
862 | |
892 | |
863 | Zero (&myop, 1, UNOP); |
893 | Zero (&myop, 1, UNOP); |
864 | myop.op_next = Nullop; |
894 | myop.op_next = Nullop; |
|
|
895 | myop.op_type = OP_ENTERSUB; |
865 | myop.op_flags = OPf_WANT_VOID; |
896 | myop.op_flags = OPf_WANT_VOID; |
866 | |
897 | |
867 | PUSHMARK (SP); |
898 | PUSHMARK (SP); |
868 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
899 | PUSHs ((SV *)coro->startcv); |
869 | PUTBACK; |
900 | PUTBACK; |
870 | PL_op = (OP *)&myop; |
901 | PL_op = (OP *)&myop; |
871 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
902 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
872 | SPAGAIN; |
|
|
873 | } |
903 | } |
874 | |
904 | |
875 | /* this newly created coroutine might be run on an existing cctx which most |
905 | /* this newly created coroutine might be run on an existing cctx which most |
876 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
906 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
877 | */ |
907 | */ |
878 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
908 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
879 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
909 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
880 | |
910 | |
881 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
911 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
882 | coro_setup_op.op_next = PL_op; |
912 | coro_setup_op.op_next = PL_op; |
883 | coro_setup_op.op_type = OP_CUSTOM; |
913 | coro_setup_op.op_type = OP_ENTERSUB; |
884 | coro_setup_op.op_ppaddr = pp_slf; |
914 | coro_setup_op.op_ppaddr = pp_slf; |
885 | /* no flags required, as an init function won't be called */ |
915 | /* no flags etc. required, as an init function won't be called */ |
886 | |
916 | |
887 | PL_op = (OP *)&coro_setup_op; |
917 | PL_op = (OP *)&coro_setup_op; |
888 | |
918 | |
889 | /* copy throw, in case it was set before coro_setup */ |
919 | /* copy throw, in case it was set before coro_setup */ |
890 | CORO_THROW = coro->except; |
920 | CORO_THROW = coro->except; |
… | |
… | |
919 | |
949 | |
920 | SvREFCNT_dec (PL_diehook); |
950 | SvREFCNT_dec (PL_diehook); |
921 | SvREFCNT_dec (PL_warnhook); |
951 | SvREFCNT_dec (PL_warnhook); |
922 | |
952 | |
923 | SvREFCNT_dec (coro->saved_deffh); |
953 | SvREFCNT_dec (coro->saved_deffh); |
924 | SvREFCNT_dec (CORO_THROW); |
954 | SvREFCNT_dec (coro->rouse_cb); |
|
|
955 | SvREFCNT_dec (coro->invoke_cb); |
|
|
956 | SvREFCNT_dec (coro->invoke_av); |
925 | |
957 | |
926 | coro_destruct_stacks (aTHX); |
958 | coro_destruct_stacks (aTHX); |
927 | } |
959 | } |
928 | |
960 | |
929 | INLINE void |
961 | INLINE void |
… | |
… | |
939 | static int |
971 | static int |
940 | runops_trace (pTHX) |
972 | runops_trace (pTHX) |
941 | { |
973 | { |
942 | COP *oldcop = 0; |
974 | COP *oldcop = 0; |
943 | int oldcxix = -2; |
975 | int oldcxix = -2; |
944 | struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */ |
|
|
945 | coro_cctx *cctx = coro->cctx; |
|
|
946 | |
976 | |
947 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
977 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
948 | { |
978 | { |
949 | PERL_ASYNC_CHECK (); |
979 | PERL_ASYNC_CHECK (); |
950 | |
980 | |
951 | if (cctx->flags & CC_TRACE_ALL) |
981 | if (cctx_current->flags & CC_TRACE_ALL) |
952 | { |
982 | { |
953 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
983 | if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB) |
954 | { |
984 | { |
955 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
985 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
956 | SV **bot, **top; |
986 | SV **bot, **top; |
957 | AV *av = newAV (); /* return values */ |
987 | AV *av = newAV (); /* return values */ |
958 | SV **cb; |
988 | SV **cb; |
… | |
… | |
995 | |
1025 | |
996 | if (PL_curcop != &PL_compiling) |
1026 | if (PL_curcop != &PL_compiling) |
997 | { |
1027 | { |
998 | SV **cb; |
1028 | SV **cb; |
999 | |
1029 | |
1000 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
1030 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1001 | { |
1031 | { |
1002 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1032 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1003 | |
1033 | |
1004 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1034 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1005 | { |
1035 | { |
1006 | runops_proc_t old_runops = PL_runops; |
|
|
1007 | dSP; |
1036 | dSP; |
1008 | GV *gv = CvGV (cx->blk_sub.cv); |
1037 | GV *gv = CvGV (cx->blk_sub.cv); |
1009 | SV *fullname = sv_2mortal (newSV (0)); |
1038 | SV *fullname = sv_2mortal (newSV (0)); |
1010 | |
1039 | |
1011 | if (isGV (gv)) |
1040 | if (isGV (gv)) |
… | |
… | |
1016 | SAVETMPS; |
1045 | SAVETMPS; |
1017 | EXTEND (SP, 3); |
1046 | EXTEND (SP, 3); |
1018 | PUSHMARK (SP); |
1047 | PUSHMARK (SP); |
1019 | PUSHs (&PL_sv_yes); |
1048 | PUSHs (&PL_sv_yes); |
1020 | PUSHs (fullname); |
1049 | PUSHs (fullname); |
1021 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1050 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1022 | PUTBACK; |
1051 | PUTBACK; |
1023 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1052 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1024 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1053 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1025 | SPAGAIN; |
1054 | SPAGAIN; |
1026 | FREETMPS; |
1055 | FREETMPS; |
… | |
… | |
1029 | } |
1058 | } |
1030 | |
1059 | |
1031 | oldcxix = cxstack_ix; |
1060 | oldcxix = cxstack_ix; |
1032 | } |
1061 | } |
1033 | |
1062 | |
1034 | if (cctx->flags & CC_TRACE_LINE) |
1063 | if (cctx_current->flags & CC_TRACE_LINE) |
1035 | { |
1064 | { |
1036 | dSP; |
1065 | dSP; |
1037 | |
1066 | |
1038 | PL_runops = RUNOPS_DEFAULT; |
1067 | PL_runops = RUNOPS_DEFAULT; |
1039 | ENTER; |
1068 | ENTER; |
… | |
… | |
1058 | |
1087 | |
1059 | TAINT_NOT; |
1088 | TAINT_NOT; |
1060 | return 0; |
1089 | return 0; |
1061 | } |
1090 | } |
1062 | |
1091 | |
1063 | static struct coro_cctx *cctx_ssl_cctx; |
|
|
1064 | static struct CoroSLF cctx_ssl_frame; |
1092 | static struct CoroSLF cctx_ssl_frame; |
1065 | |
1093 | |
1066 | static void |
1094 | static void |
1067 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1095 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1068 | { |
1096 | { |
1069 | ta->prev = (struct coro *)cctx_ssl_cctx; |
|
|
1070 | ta->next = 0; |
1097 | ta->prev = 0; |
1071 | } |
1098 | } |
1072 | |
1099 | |
1073 | static int |
1100 | static int |
1074 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1101 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1075 | { |
1102 | { |
… | |
… | |
1078 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1105 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1079 | } |
1106 | } |
1080 | |
1107 | |
1081 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1108 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1082 | static void NOINLINE |
1109 | static void NOINLINE |
1083 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1110 | cctx_prepare (pTHX) |
1084 | { |
1111 | { |
1085 | PL_top_env = &PL_start_env; |
1112 | PL_top_env = &PL_start_env; |
1086 | |
1113 | |
1087 | if (cctx->flags & CC_TRACE) |
1114 | if (cctx_current->flags & CC_TRACE) |
1088 | PL_runops = runops_trace; |
1115 | PL_runops = runops_trace; |
1089 | |
1116 | |
1090 | /* we already must be executing an SLF op, there is no other valid way |
1117 | /* we already must be executing an SLF op, there is no other valid way |
1091 | * that can lead to creation of a new cctx */ |
1118 | * that can lead to creation of a new cctx */ |
1092 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1119 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1093 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1120 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1094 | |
1121 | |
1095 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1122 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1096 | cctx_ssl_cctx = cctx; |
|
|
1097 | cctx_ssl_frame = slf_frame; |
1123 | cctx_ssl_frame = slf_frame; |
1098 | |
1124 | |
1099 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1125 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1100 | slf_frame.check = slf_check_set_stacklevel; |
1126 | slf_frame.check = slf_check_set_stacklevel; |
1101 | } |
1127 | } |
… | |
… | |
1124 | /* normally we would need to skip the entersub here */ |
1150 | /* normally we would need to skip the entersub here */ |
1125 | /* not doing so will re-execute it, which is exactly what we want */ |
1151 | /* not doing so will re-execute it, which is exactly what we want */ |
1126 | /* PL_nop = PL_nop->op_next */ |
1152 | /* PL_nop = PL_nop->op_next */ |
1127 | |
1153 | |
1128 | /* inject a fake subroutine call to cctx_init */ |
1154 | /* inject a fake subroutine call to cctx_init */ |
1129 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1155 | cctx_prepare (aTHX); |
1130 | |
1156 | |
1131 | /* cctx_run is the alternative tail of transfer() */ |
1157 | /* cctx_run is the alternative tail of transfer() */ |
1132 | transfer_tail (aTHX); |
1158 | transfer_tail (aTHX); |
1133 | |
1159 | |
1134 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1160 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1135 | PL_restartop = PL_op; |
1161 | PL_restartop = PL_op; |
1136 | perl_run (PL_curinterp); |
1162 | perl_run (PL_curinterp); |
|
|
1163 | /* |
|
|
1164 | * Unfortunately, there is no way to get at the return values of the |
|
|
1165 | * coro body here, as perl_run destroys these |
|
|
1166 | */ |
1137 | |
1167 | |
1138 | /* |
1168 | /* |
1139 | * If perl-run returns we assume exit() was being called or the coro |
1169 | * If perl-run returns we assume exit() was being called or the coro |
1140 | * fell off the end, which seems to be the only valid (non-bug) |
1170 | * fell off the end, which seems to be the only valid (non-bug) |
1141 | * reason for perl_run to return. We try to exit by jumping to the |
1171 | * reason for perl_run to return. We try to exit by jumping to the |
… | |
… | |
1225 | cctx_destroy (coro_cctx *cctx) |
1255 | cctx_destroy (coro_cctx *cctx) |
1226 | { |
1256 | { |
1227 | if (!cctx) |
1257 | if (!cctx) |
1228 | return; |
1258 | return; |
1229 | |
1259 | |
|
|
1260 | assert (cctx != cctx_current);//D temporary |
|
|
1261 | |
1230 | --cctx_count; |
1262 | --cctx_count; |
1231 | coro_destroy (&cctx->cctx); |
1263 | coro_destroy (&cctx->cctx); |
1232 | |
1264 | |
1233 | /* coro_transfer creates new, empty cctx's */ |
1265 | /* coro_transfer creates new, empty cctx's */ |
1234 | if (cctx->sptr) |
1266 | if (cctx->sptr) |
… | |
… | |
1297 | /* TODO: throwing up here is considered harmful */ |
1329 | /* TODO: throwing up here is considered harmful */ |
1298 | |
1330 | |
1299 | if (expect_true (prev != next)) |
1331 | if (expect_true (prev != next)) |
1300 | { |
1332 | { |
1301 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1333 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1302 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,"); |
1334 | croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,"); |
1303 | |
1335 | |
1304 | if (expect_false (next->flags & CF_RUNNING)) |
1336 | if (expect_false (next->flags & CF_RUNNING)) |
1305 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
1337 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
1306 | |
1338 | |
1307 | if (expect_false (next->flags & CF_DESTROYED)) |
1339 | if (expect_false (next->flags & CF_DESTROYED)) |
… | |
… | |
1319 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1351 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1320 | { |
1352 | { |
1321 | dSTACKLEVEL; |
1353 | dSTACKLEVEL; |
1322 | |
1354 | |
1323 | /* sometimes transfer is only called to set idle_sp */ |
1355 | /* sometimes transfer is only called to set idle_sp */ |
1324 | if (expect_false (!next)) |
1356 | if (expect_false (!prev)) |
1325 | { |
1357 | { |
1326 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1358 | cctx_current->idle_sp = STACKLEVEL; |
1327 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1359 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1328 | } |
1360 | } |
1329 | else if (expect_true (prev != next)) |
1361 | else if (expect_true (prev != next)) |
1330 | { |
1362 | { |
1331 | coro_cctx *prev__cctx; |
1363 | coro_cctx *cctx_prev; |
1332 | |
1364 | |
1333 | if (expect_false (prev->flags & CF_NEW)) |
1365 | if (expect_false (prev->flags & CF_NEW)) |
1334 | { |
1366 | { |
1335 | /* create a new empty/source context */ |
1367 | /* create a new empty/source context */ |
1336 | prev->cctx = cctx_new_empty (); |
|
|
1337 | prev->flags &= ~CF_NEW; |
1368 | prev->flags &= ~CF_NEW; |
1338 | prev->flags |= CF_RUNNING; |
1369 | prev->flags |= CF_RUNNING; |
1339 | } |
1370 | } |
1340 | |
1371 | |
1341 | prev->flags &= ~CF_RUNNING; |
1372 | prev->flags &= ~CF_RUNNING; |
… | |
… | |
1352 | coro_setup (aTHX_ next); |
1383 | coro_setup (aTHX_ next); |
1353 | } |
1384 | } |
1354 | else |
1385 | else |
1355 | load_perl (aTHX_ next); |
1386 | load_perl (aTHX_ next); |
1356 | |
1387 | |
1357 | prev__cctx = prev->cctx; |
1388 | assert (!prev->cctx);//D temporary |
1358 | |
1389 | |
1359 | /* possibly untie and reuse the cctx */ |
1390 | /* possibly untie and reuse the cctx */ |
1360 | if (expect_true ( |
1391 | if (expect_true ( |
1361 | prev__cctx->idle_sp == STACKLEVEL |
1392 | cctx_current->idle_sp == STACKLEVEL |
1362 | && !(prev__cctx->flags & CC_TRACE) |
1393 | && !(cctx_current->flags & CC_TRACE) |
1363 | && !force_cctx |
1394 | && !force_cctx |
1364 | )) |
1395 | )) |
1365 | { |
1396 | { |
1366 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1397 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1367 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1398 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1368 | |
1399 | |
1369 | prev->cctx = 0; |
|
|
1370 | |
|
|
1371 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1400 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1372 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1401 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1373 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1402 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1374 | if (!next->cctx) |
1403 | if (expect_true (!next->cctx)) |
1375 | next->cctx = cctx_get (aTHX); |
1404 | next->cctx = cctx_get (aTHX); |
1376 | |
1405 | |
1377 | cctx_put (prev__cctx); |
1406 | cctx_put (cctx_current); |
1378 | } |
1407 | } |
|
|
1408 | else |
|
|
1409 | prev->cctx = cctx_current; |
1379 | |
1410 | |
1380 | ++next->usecount; |
1411 | ++next->usecount; |
1381 | |
1412 | |
1382 | if (expect_true (!next->cctx)) |
1413 | cctx_prev = cctx_current; |
1383 | next->cctx = cctx_get (aTHX); |
1414 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1384 | |
1415 | |
1385 | if (expect_false (prev__cctx != next->cctx)) |
1416 | next->cctx = 0; |
|
|
1417 | |
|
|
1418 | if (expect_false (cctx_prev != cctx_current)) |
1386 | { |
1419 | { |
1387 | prev__cctx->top_env = PL_top_env; |
1420 | cctx_prev->top_env = PL_top_env; |
1388 | PL_top_env = next->cctx->top_env; |
1421 | PL_top_env = cctx_current->top_env; |
1389 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1422 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1390 | } |
1423 | } |
1391 | |
1424 | |
1392 | transfer_tail (aTHX); |
1425 | transfer_tail (aTHX); |
1393 | } |
1426 | } |
1394 | } |
1427 | } |
… | |
… | |
1433 | |
1466 | |
1434 | coro->slot = 0; |
1467 | coro->slot = 0; |
1435 | } |
1468 | } |
1436 | |
1469 | |
1437 | cctx_destroy (coro->cctx); |
1470 | cctx_destroy (coro->cctx); |
|
|
1471 | SvREFCNT_dec (coro->startcv); |
1438 | SvREFCNT_dec (coro->args); |
1472 | SvREFCNT_dec (coro->args); |
|
|
1473 | SvREFCNT_dec (CORO_THROW); |
1439 | |
1474 | |
1440 | if (coro->next) coro->next->prev = coro->prev; |
1475 | if (coro->next) coro->next->prev = coro->prev; |
1441 | if (coro->prev) coro->prev->next = coro->next; |
1476 | if (coro->prev) coro->prev->next = coro->next; |
1442 | if (coro == coro_first) coro_first = coro->next; |
1477 | if (coro == coro_first) coro_first = coro->next; |
1443 | |
1478 | |
… | |
… | |
1497 | |
1532 | |
1498 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1533 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1499 | TRANSFER (ta, 1); |
1534 | TRANSFER (ta, 1); |
1500 | } |
1535 | } |
1501 | |
1536 | |
|
|
1537 | /*****************************************************************************/ |
|
|
1538 | /* gensub: simple closure generation utility */ |
|
|
1539 | |
|
|
1540 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1541 | |
|
|
1542 | /* create a closure from XS, returns a code reference */ |
|
|
1543 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1544 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1545 | static SV * |
|
|
1546 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1547 | { |
|
|
1548 | CV *cv = (CV *)newSV (0); |
|
|
1549 | |
|
|
1550 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1551 | |
|
|
1552 | CvANON_on (cv); |
|
|
1553 | CvISXSUB_on (cv); |
|
|
1554 | CvXSUB (cv) = xsub; |
|
|
1555 | GENSUB_ARG = arg; |
|
|
1556 | |
|
|
1557 | return newRV_noinc ((SV *)cv); |
|
|
1558 | } |
|
|
1559 | |
1502 | /** Coro ********************************************************************/ |
1560 | /** Coro ********************************************************************/ |
1503 | |
1561 | |
1504 | INLINE void |
1562 | INLINE void |
1505 | coro_enq (pTHX_ struct coro *coro) |
1563 | coro_enq (pTHX_ struct coro *coro) |
1506 | { |
1564 | { |
… | |
… | |
1567 | api_is_ready (pTHX_ SV *coro_sv) |
1625 | api_is_ready (pTHX_ SV *coro_sv) |
1568 | { |
1626 | { |
1569 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1627 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1570 | } |
1628 | } |
1571 | |
1629 | |
|
|
1630 | /* expects to own a reference to next->hv */ |
1572 | INLINE void |
1631 | INLINE void |
|
|
1632 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
|
|
1633 | { |
|
|
1634 | SV *prev_sv = SvRV (coro_current); |
|
|
1635 | |
|
|
1636 | ta->prev = SvSTATE_hv (prev_sv); |
|
|
1637 | ta->next = next; |
|
|
1638 | |
|
|
1639 | TRANSFER_CHECK (*ta); |
|
|
1640 | |
|
|
1641 | SvRV_set (coro_current, (SV *)next->hv); |
|
|
1642 | |
|
|
1643 | free_coro_mortal (aTHX); |
|
|
1644 | coro_mortal = prev_sv; |
|
|
1645 | } |
|
|
1646 | |
|
|
1647 | static void |
1573 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1648 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1574 | { |
1649 | { |
1575 | SV *prev_sv, *next_sv; |
|
|
1576 | |
|
|
1577 | for (;;) |
1650 | for (;;) |
1578 | { |
1651 | { |
1579 | next_sv = coro_deq (aTHX); |
1652 | SV *next_sv = coro_deq (aTHX); |
1580 | |
1653 | |
1581 | /* nothing to schedule: call the idle handler */ |
|
|
1582 | if (expect_false (!next_sv)) |
1654 | if (expect_true (next_sv)) |
1583 | { |
1655 | { |
|
|
1656 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1657 | |
|
|
1658 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1659 | if (expect_false (next->flags & CF_DESTROYED)) |
|
|
1660 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
|
|
1661 | else |
|
|
1662 | { |
|
|
1663 | next->flags &= ~CF_READY; |
|
|
1664 | --coro_nready; |
|
|
1665 | |
|
|
1666 | prepare_schedule_to (aTHX_ ta, next); |
|
|
1667 | break; |
|
|
1668 | } |
|
|
1669 | } |
|
|
1670 | else |
|
|
1671 | { |
|
|
1672 | /* nothing to schedule: call the idle handler */ |
1584 | dSP; |
1673 | dSP; |
1585 | |
1674 | |
1586 | ENTER; |
1675 | ENTER; |
1587 | SAVETMPS; |
1676 | SAVETMPS; |
1588 | |
1677 | |
… | |
… | |
1590 | PUTBACK; |
1679 | PUTBACK; |
1591 | call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD); |
1680 | call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD); |
1592 | |
1681 | |
1593 | FREETMPS; |
1682 | FREETMPS; |
1594 | LEAVE; |
1683 | LEAVE; |
1595 | continue; |
|
|
1596 | } |
1684 | } |
1597 | |
|
|
1598 | ta->next = SvSTATE_hv (next_sv); |
|
|
1599 | |
|
|
1600 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1601 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
|
|
1602 | { |
|
|
1603 | SvREFCNT_dec (next_sv); |
|
|
1604 | /* coro_nready has already been taken care of by destroy */ |
|
|
1605 | continue; |
|
|
1606 | } |
|
|
1607 | |
|
|
1608 | --coro_nready; |
|
|
1609 | break; |
|
|
1610 | } |
1685 | } |
1611 | |
|
|
1612 | /* free this only after the transfer */ |
|
|
1613 | prev_sv = SvRV (coro_current); |
|
|
1614 | ta->prev = SvSTATE_hv (prev_sv); |
|
|
1615 | TRANSFER_CHECK (*ta); |
|
|
1616 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
|
|
1617 | ta->next->flags &= ~CF_READY; |
|
|
1618 | SvRV_set (coro_current, next_sv); |
|
|
1619 | |
|
|
1620 | free_coro_mortal (aTHX); |
|
|
1621 | coro_mortal = prev_sv; |
|
|
1622 | } |
1686 | } |
1623 | |
1687 | |
1624 | INLINE void |
1688 | INLINE void |
1625 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1689 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1626 | { |
1690 | { |
… | |
… | |
1647 | { |
1711 | { |
1648 | struct coro_transfer_args ta; |
1712 | struct coro_transfer_args ta; |
1649 | |
1713 | |
1650 | prepare_schedule (aTHX_ &ta); |
1714 | prepare_schedule (aTHX_ &ta); |
1651 | TRANSFER (ta, 1); |
1715 | TRANSFER (ta, 1); |
|
|
1716 | } |
|
|
1717 | |
|
|
1718 | static void |
|
|
1719 | api_schedule_to (pTHX_ SV *coro_sv) |
|
|
1720 | { |
|
|
1721 | struct coro_transfer_args ta; |
|
|
1722 | struct coro *next = SvSTATE (coro_sv); |
|
|
1723 | |
|
|
1724 | SvREFCNT_inc_NN (coro_sv); |
|
|
1725 | prepare_schedule_to (aTHX_ &ta, next); |
1652 | } |
1726 | } |
1653 | |
1727 | |
1654 | static int |
1728 | static int |
1655 | api_cede (pTHX) |
1729 | api_cede (pTHX) |
1656 | { |
1730 | { |
… | |
… | |
1685 | static void |
1759 | static void |
1686 | api_trace (pTHX_ SV *coro_sv, int flags) |
1760 | api_trace (pTHX_ SV *coro_sv, int flags) |
1687 | { |
1761 | { |
1688 | struct coro *coro = SvSTATE (coro_sv); |
1762 | struct coro *coro = SvSTATE (coro_sv); |
1689 | |
1763 | |
|
|
1764 | if (coro->flags & CF_RUNNING) |
|
|
1765 | croak ("cannot enable tracing on a running coroutine, caught"); |
|
|
1766 | |
1690 | if (flags & CC_TRACE) |
1767 | if (flags & CC_TRACE) |
1691 | { |
1768 | { |
1692 | if (!coro->cctx) |
1769 | if (!coro->cctx) |
1693 | coro->cctx = cctx_new_run (); |
1770 | coro->cctx = cctx_new_run (); |
1694 | else if (!(coro->cctx->flags & CC_TRACE)) |
1771 | else if (!(coro->cctx->flags & CC_TRACE)) |
1695 | croak ("cannot enable tracing on coroutine with custom stack,"); |
1772 | croak ("cannot enable tracing on coroutine with custom stack, caught"); |
1696 | |
1773 | |
1697 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1774 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1698 | } |
1775 | } |
1699 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1776 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1700 | { |
1777 | { |
… | |
… | |
1703 | if (coro->flags & CF_RUNNING) |
1780 | if (coro->flags & CF_RUNNING) |
1704 | PL_runops = RUNOPS_DEFAULT; |
1781 | PL_runops = RUNOPS_DEFAULT; |
1705 | else |
1782 | else |
1706 | coro->slot->runops = RUNOPS_DEFAULT; |
1783 | coro->slot->runops = RUNOPS_DEFAULT; |
1707 | } |
1784 | } |
|
|
1785 | } |
|
|
1786 | |
|
|
1787 | static void |
|
|
1788 | coro_call_on_destroy (pTHX_ struct coro *coro) |
|
|
1789 | { |
|
|
1790 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
|
|
1791 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1792 | |
|
|
1793 | if (on_destroyp) |
|
|
1794 | { |
|
|
1795 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1796 | |
|
|
1797 | while (AvFILLp (on_destroy) >= 0) |
|
|
1798 | { |
|
|
1799 | dSP; /* don't disturb outer sp */ |
|
|
1800 | SV *cb = av_pop (on_destroy); |
|
|
1801 | |
|
|
1802 | PUSHMARK (SP); |
|
|
1803 | |
|
|
1804 | if (statusp) |
|
|
1805 | { |
|
|
1806 | int i; |
|
|
1807 | AV *status = (AV *)SvRV (*statusp); |
|
|
1808 | EXTEND (SP, AvFILLp (status) + 1); |
|
|
1809 | |
|
|
1810 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1811 | PUSHs (AvARRAY (status)[i]); |
|
|
1812 | } |
|
|
1813 | |
|
|
1814 | PUTBACK; |
|
|
1815 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
|
|
1816 | } |
|
|
1817 | } |
|
|
1818 | } |
|
|
1819 | |
|
|
1820 | static void |
|
|
1821 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1822 | { |
|
|
1823 | int i; |
|
|
1824 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1825 | AV *av = newAV (); |
|
|
1826 | |
|
|
1827 | av_extend (av, items - 1); |
|
|
1828 | for (i = 0; i < items; ++i) |
|
|
1829 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
1830 | |
|
|
1831 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
1832 | |
|
|
1833 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
|
|
1834 | api_ready (aTHX_ sv_manager); |
|
|
1835 | |
|
|
1836 | frame->prepare = prepare_schedule; |
|
|
1837 | frame->check = slf_check_repeat; |
|
|
1838 | } |
|
|
1839 | |
|
|
1840 | /*****************************************************************************/ |
|
|
1841 | /* async pool handler */ |
|
|
1842 | |
|
|
1843 | static int |
|
|
1844 | slf_check_pool_handler (pTHX_ struct CoroSLF *frame) |
|
|
1845 | { |
|
|
1846 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1847 | struct coro *coro = (struct coro *)frame->data; |
|
|
1848 | |
|
|
1849 | if (!coro->invoke_cb) |
|
|
1850 | return 1; /* loop till we have invoke */ |
|
|
1851 | else |
|
|
1852 | { |
|
|
1853 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
1854 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
1855 | |
|
|
1856 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
1857 | |
|
|
1858 | { |
|
|
1859 | dSP; |
|
|
1860 | XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0; |
|
|
1861 | PUTBACK; |
|
|
1862 | } |
|
|
1863 | |
|
|
1864 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
1865 | GvAV (PL_defgv) = coro->invoke_av; |
|
|
1866 | coro->invoke_av = 0; |
|
|
1867 | |
|
|
1868 | return 0; |
|
|
1869 | } |
|
|
1870 | } |
|
|
1871 | |
|
|
1872 | static void |
|
|
1873 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1874 | { |
|
|
1875 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1876 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
1877 | |
|
|
1878 | if (expect_true (coro->saved_deffh)) |
|
|
1879 | { |
|
|
1880 | /* subsequent iteration */ |
|
|
1881 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
1882 | coro->saved_deffh = 0; |
|
|
1883 | |
|
|
1884 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
1885 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1886 | { |
|
|
1887 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
|
|
1888 | coro->invoke_av = newAV (); |
|
|
1889 | |
|
|
1890 | frame->prepare = prepare_nop; |
|
|
1891 | } |
|
|
1892 | else |
|
|
1893 | { |
|
|
1894 | av_clear (GvAV (PL_defgv)); |
|
|
1895 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
|
|
1896 | |
|
|
1897 | coro->prio = 0; |
|
|
1898 | |
|
|
1899 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
1900 | api_trace (aTHX_ coro_current, 0); |
|
|
1901 | |
|
|
1902 | frame->prepare = prepare_schedule; |
|
|
1903 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
|
|
1904 | } |
|
|
1905 | } |
|
|
1906 | else |
|
|
1907 | { |
|
|
1908 | /* first iteration, simply fall through */ |
|
|
1909 | frame->prepare = prepare_nop; |
|
|
1910 | } |
|
|
1911 | |
|
|
1912 | frame->check = slf_check_pool_handler; |
|
|
1913 | frame->data = (void *)coro; |
|
|
1914 | } |
|
|
1915 | |
|
|
1916 | /*****************************************************************************/ |
|
|
1917 | /* rouse callback */ |
|
|
1918 | |
|
|
1919 | #define CORO_MAGIC_type_rouse PERL_MAGIC_ext |
|
|
1920 | |
|
|
1921 | static void |
|
|
1922 | coro_rouse_callback (pTHX_ CV *cv) |
|
|
1923 | { |
|
|
1924 | dXSARGS; |
|
|
1925 | SV *data = (SV *)GENSUB_ARG; |
|
|
1926 | |
|
|
1927 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
1928 | { |
|
|
1929 | /* first call, set args */ |
|
|
1930 | AV *av = newAV (); |
|
|
1931 | SV *coro = SvRV (data); |
|
|
1932 | |
|
|
1933 | SvRV_set (data, (SV *)av); |
|
|
1934 | api_ready (aTHX_ coro); |
|
|
1935 | SvREFCNT_dec (coro); |
|
|
1936 | |
|
|
1937 | /* better take a full copy of the arguments */ |
|
|
1938 | while (items--) |
|
|
1939 | av_store (av, items, newSVsv (ST (items))); |
|
|
1940 | } |
|
|
1941 | |
|
|
1942 | XSRETURN_EMPTY; |
|
|
1943 | } |
|
|
1944 | |
|
|
1945 | static int |
|
|
1946 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
|
|
1947 | { |
|
|
1948 | SV *data = (SV *)frame->data; |
|
|
1949 | |
|
|
1950 | if (CORO_THROW) |
|
|
1951 | return 0; |
|
|
1952 | |
|
|
1953 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
1954 | return 1; |
|
|
1955 | |
|
|
1956 | /* now push all results on the stack */ |
|
|
1957 | { |
|
|
1958 | dSP; |
|
|
1959 | AV *av = (AV *)SvRV (data); |
|
|
1960 | int i; |
|
|
1961 | |
|
|
1962 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
1963 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
1964 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
|
|
1965 | |
|
|
1966 | /* we have stolen the elements, so ste length to zero and free */ |
|
|
1967 | AvFILLp (av) = -1; |
|
|
1968 | av_undef (av); |
|
|
1969 | |
|
|
1970 | PUTBACK; |
|
|
1971 | } |
|
|
1972 | |
|
|
1973 | return 0; |
|
|
1974 | } |
|
|
1975 | |
|
|
1976 | static void |
|
|
1977 | slf_init_rouse_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1978 | { |
|
|
1979 | SV *cb; |
|
|
1980 | |
|
|
1981 | if (items) |
|
|
1982 | cb = arg [0]; |
|
|
1983 | else |
|
|
1984 | { |
|
|
1985 | struct coro *coro = SvSTATE_current; |
|
|
1986 | |
|
|
1987 | if (!coro->rouse_cb) |
|
|
1988 | croak ("Coro::rouse_wait called without rouse callback, and no default rouse callback found either,"); |
|
|
1989 | |
|
|
1990 | cb = sv_2mortal (coro->rouse_cb); |
|
|
1991 | coro->rouse_cb = 0; |
|
|
1992 | } |
|
|
1993 | |
|
|
1994 | if (!SvROK (cb) |
|
|
1995 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
|
|
1996 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
|
|
1997 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
|
|
1998 | |
|
|
1999 | { |
|
|
2000 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
|
|
2001 | SV *data = (SV *)GENSUB_ARG; |
|
|
2002 | |
|
|
2003 | frame->data = (void *)data; |
|
|
2004 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
|
|
2005 | frame->check = slf_check_rouse_wait; |
|
|
2006 | } |
|
|
2007 | } |
|
|
2008 | |
|
|
2009 | static SV * |
|
|
2010 | coro_new_rouse_cb (pTHX) |
|
|
2011 | { |
|
|
2012 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2013 | struct coro *coro = SvSTATE_hv (hv); |
|
|
2014 | SV *data = newRV_inc ((SV *)hv); |
|
|
2015 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
|
|
2016 | |
|
|
2017 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
|
|
2018 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
|
|
2019 | |
|
|
2020 | SvREFCNT_dec (coro->rouse_cb); |
|
|
2021 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
|
|
2022 | |
|
|
2023 | return cb; |
1708 | } |
2024 | } |
1709 | |
2025 | |
1710 | /*****************************************************************************/ |
2026 | /*****************************************************************************/ |
1711 | /* schedule-like-function opcode (SLF) */ |
2027 | /* schedule-like-function opcode (SLF) */ |
1712 | |
2028 | |
… | |
… | |
1759 | static void |
2075 | static void |
1760 | slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2076 | slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1761 | { |
2077 | { |
1762 | frame->prepare = prepare_schedule; |
2078 | frame->prepare = prepare_schedule; |
1763 | frame->check = slf_check_nop; |
2079 | frame->check = slf_check_nop; |
|
|
2080 | } |
|
|
2081 | |
|
|
2082 | static void |
|
|
2083 | slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta) |
|
|
2084 | { |
|
|
2085 | struct coro *next = (struct coro *)slf_frame.data; |
|
|
2086 | |
|
|
2087 | SvREFCNT_inc_NN (next->hv); |
|
|
2088 | prepare_schedule_to (aTHX_ ta, next); |
|
|
2089 | } |
|
|
2090 | |
|
|
2091 | static void |
|
|
2092 | slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2093 | { |
|
|
2094 | if (!items) |
|
|
2095 | croak ("Coro::schedule_to expects a coroutine argument, caught"); |
|
|
2096 | |
|
|
2097 | frame->data = (void *)SvSTATE (arg [0]); |
|
|
2098 | frame->prepare = slf_prepare_schedule_to; |
|
|
2099 | frame->check = slf_check_nop; |
|
|
2100 | } |
|
|
2101 | |
|
|
2102 | static void |
|
|
2103 | slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2104 | { |
|
|
2105 | api_ready (aTHX_ SvRV (coro_current)); |
|
|
2106 | |
|
|
2107 | slf_init_schedule_to (aTHX_ frame, cv, arg, items); |
1764 | } |
2108 | } |
1765 | |
2109 | |
1766 | static void |
2110 | static void |
1767 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2111 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1768 | { |
2112 | { |
… | |
… | |
1914 | } |
2258 | } |
1915 | else |
2259 | else |
1916 | slf_argc = 0; |
2260 | slf_argc = 0; |
1917 | |
2261 | |
1918 | PL_op->op_ppaddr = pp_slf; |
2262 | PL_op->op_ppaddr = pp_slf; |
1919 | PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */ |
2263 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
1920 | |
2264 | |
1921 | PL_op = (OP *)&slf_restore; |
2265 | PL_op = (OP *)&slf_restore; |
1922 | } |
2266 | } |
1923 | |
2267 | |
1924 | /*****************************************************************************/ |
2268 | /*****************************************************************************/ |
… | |
… | |
1995 | PerlIOBuf_get_cnt, |
2339 | PerlIOBuf_get_cnt, |
1996 | PerlIOBuf_set_ptrcnt, |
2340 | PerlIOBuf_set_ptrcnt, |
1997 | }; |
2341 | }; |
1998 | |
2342 | |
1999 | /*****************************************************************************/ |
2343 | /*****************************************************************************/ |
|
|
2344 | /* Coro::Semaphore & Coro::Signal */ |
|
|
2345 | |
|
|
2346 | static SV * |
|
|
2347 | coro_waitarray_new (pTHX_ int count) |
|
|
2348 | { |
|
|
2349 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
|
|
2350 | AV *av = newAV (); |
|
|
2351 | SV **ary; |
|
|
2352 | |
|
|
2353 | /* unfortunately, building manually saves memory */ |
|
|
2354 | Newx (ary, 2, SV *); |
|
|
2355 | AvALLOC (av) = ary; |
|
|
2356 | /*AvARRAY (av) = ary;*/ |
|
|
2357 | SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */ |
|
|
2358 | AvMAX (av) = 1; |
|
|
2359 | AvFILLp (av) = 0; |
|
|
2360 | ary [0] = newSViv (count); |
|
|
2361 | |
|
|
2362 | return newRV_noinc ((SV *)av); |
|
|
2363 | } |
|
|
2364 | |
2000 | /* Coro::Semaphore */ |
2365 | /* semaphore */ |
2001 | |
2366 | |
2002 | static void |
2367 | static void |
2003 | coro_semaphore_adjust (pTHX_ AV *av, IV adjust) |
2368 | coro_semaphore_adjust (pTHX_ AV *av, IV adjust) |
2004 | { |
2369 | { |
2005 | SV *count_sv = AvARRAY (av)[0]; |
2370 | SV *count_sv = AvARRAY (av)[0]; |
… | |
… | |
2017 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2382 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2018 | AvARRAY (av)[1] = count_sv; |
2383 | AvARRAY (av)[1] = count_sv; |
2019 | cb = av_shift (av); |
2384 | cb = av_shift (av); |
2020 | |
2385 | |
2021 | if (SvOBJECT (cb)) |
2386 | if (SvOBJECT (cb)) |
|
|
2387 | { |
2022 | api_ready (aTHX_ cb); |
2388 | api_ready (aTHX_ cb); |
2023 | else |
2389 | --count; |
2024 | croak ("callbacks not yet supported"); |
2390 | } |
|
|
2391 | else if (SvTYPE (cb) == SVt_PVCV) |
|
|
2392 | { |
|
|
2393 | dSP; |
|
|
2394 | PUSHMARK (SP); |
|
|
2395 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
2396 | PUTBACK; |
|
|
2397 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
2398 | } |
2025 | |
2399 | |
2026 | SvREFCNT_dec (cb); |
2400 | SvREFCNT_dec (cb); |
2027 | |
|
|
2028 | --count; |
|
|
2029 | } |
2401 | } |
2030 | } |
2402 | } |
2031 | |
2403 | |
2032 | static void |
2404 | static void |
2033 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2405 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
… | |
… | |
2035 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2407 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2036 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2408 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2037 | } |
2409 | } |
2038 | |
2410 | |
2039 | static int |
2411 | static int |
2040 | slf_check_semaphore_down (pTHX_ struct CoroSLF *frame) |
2412 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2041 | { |
2413 | { |
2042 | AV *av = (AV *)frame->data; |
2414 | AV *av = (AV *)frame->data; |
2043 | SV *count_sv = AvARRAY (av)[0]; |
2415 | SV *count_sv = AvARRAY (av)[0]; |
2044 | |
2416 | |
2045 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2417 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2046 | if (CORO_THROW) |
2418 | if (CORO_THROW) |
2047 | return 0; |
2419 | return 0; |
2048 | else if (SvIVX (count_sv) > 0) |
2420 | else if (SvIVX (count_sv) > 0) |
2049 | { |
2421 | { |
2050 | SvSTATE_current->on_destroy = 0; |
2422 | SvSTATE_current->on_destroy = 0; |
|
|
2423 | |
|
|
2424 | if (acquire) |
2051 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2425 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
|
|
2426 | else |
|
|
2427 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2428 | |
2052 | return 0; |
2429 | return 0; |
2053 | } |
2430 | } |
2054 | else |
2431 | else |
2055 | { |
2432 | { |
2056 | int i; |
2433 | int i; |
… | |
… | |
2065 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2442 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2066 | return 1; |
2443 | return 1; |
2067 | } |
2444 | } |
2068 | } |
2445 | } |
2069 | |
2446 | |
2070 | static void |
2447 | static int |
|
|
2448 | slf_check_semaphore_down (pTHX_ struct CoroSLF *frame) |
|
|
2449 | { |
|
|
2450 | return slf_check_semaphore_down_or_wait (aTHX_ frame, 1); |
|
|
2451 | } |
|
|
2452 | |
|
|
2453 | static int |
|
|
2454 | slf_check_semaphore_wait (pTHX_ struct CoroSLF *frame) |
|
|
2455 | { |
|
|
2456 | return slf_check_semaphore_down_or_wait (aTHX_ frame, 0); |
|
|
2457 | } |
|
|
2458 | |
|
|
2459 | static void |
2071 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2460 | slf_init_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2072 | { |
2461 | { |
2073 | AV *av = (AV *)SvRV (arg [0]); |
2462 | AV *av = (AV *)SvRV (arg [0]); |
2074 | |
2463 | |
2075 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2464 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2076 | { |
2465 | { |
… | |
… | |
2086 | |
2475 | |
2087 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2476 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2088 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2477 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2089 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2478 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2090 | } |
2479 | } |
|
|
2480 | } |
2091 | |
2481 | |
|
|
2482 | static void |
|
|
2483 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2484 | { |
|
|
2485 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
2092 | frame->check = slf_check_semaphore_down; |
2486 | frame->check = slf_check_semaphore_down; |
2093 | |
|
|
2094 | } |
2487 | } |
2095 | |
2488 | |
2096 | /*****************************************************************************/ |
2489 | static void |
2097 | /* gensub: simple closure generation utility */ |
2490 | slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2098 | |
|
|
2099 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
2100 | |
|
|
2101 | /* create a closure from XS, returns a code reference */ |
|
|
2102 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
2103 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
2104 | static SV * |
|
|
2105 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
2106 | { |
2491 | { |
2107 | CV *cv = (CV *)newSV (0); |
2492 | if (items >= 2) |
|
|
2493 | { |
|
|
2494 | /* callback form */ |
|
|
2495 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2496 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
2108 | |
2497 | |
2109 | sv_upgrade ((SV *)cv, SVt_PVCV); |
2498 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
2110 | |
2499 | |
2111 | CvANON_on (cv); |
2500 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2112 | CvISXSUB_on (cv); |
2501 | coro_semaphore_adjust (aTHX_ av, 0); |
2113 | CvXSUB (cv) = xsub; |
|
|
2114 | GENSUB_ARG = arg; |
|
|
2115 | |
2502 | |
2116 | return newRV_noinc ((SV *)cv); |
2503 | frame->prepare = prepare_nop; |
|
|
2504 | frame->check = slf_check_nop; |
|
|
2505 | } |
|
|
2506 | else |
|
|
2507 | { |
|
|
2508 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
|
|
2509 | frame->check = slf_check_semaphore_wait; |
|
|
2510 | } |
|
|
2511 | } |
|
|
2512 | |
|
|
2513 | /* signal */ |
|
|
2514 | |
|
|
2515 | static void |
|
|
2516 | coro_signal_wake (pTHX_ AV *av, int count) |
|
|
2517 | { |
|
|
2518 | SvIVX (AvARRAY (av)[0]) = 0; |
|
|
2519 | |
|
|
2520 | /* now signal count waiters */ |
|
|
2521 | while (count > 0 && AvFILLp (av) > 0) |
|
|
2522 | { |
|
|
2523 | SV *cb; |
|
|
2524 | |
|
|
2525 | /* swap first two elements so we can shift a waiter */ |
|
|
2526 | cb = AvARRAY (av)[0]; |
|
|
2527 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
|
|
2528 | AvARRAY (av)[1] = cb; |
|
|
2529 | |
|
|
2530 | cb = av_shift (av); |
|
|
2531 | |
|
|
2532 | api_ready (aTHX_ cb); |
|
|
2533 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
2534 | SvREFCNT_dec (cb); |
|
|
2535 | |
|
|
2536 | --count; |
|
|
2537 | } |
|
|
2538 | } |
|
|
2539 | |
|
|
2540 | static int |
|
|
2541 | slf_check_signal_wait (pTHX_ struct CoroSLF *frame) |
|
|
2542 | { |
|
|
2543 | /* if we are about to throw, also stop waiting */ |
|
|
2544 | return SvROK ((SV *)frame->data) && !CORO_THROW; |
|
|
2545 | } |
|
|
2546 | |
|
|
2547 | static void |
|
|
2548 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2549 | { |
|
|
2550 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2551 | |
|
|
2552 | if (SvIVX (AvARRAY (av)[0])) |
|
|
2553 | { |
|
|
2554 | SvIVX (AvARRAY (av)[0]) = 0; |
|
|
2555 | frame->prepare = prepare_nop; |
|
|
2556 | frame->check = slf_check_nop; |
|
|
2557 | } |
|
|
2558 | else |
|
|
2559 | { |
|
|
2560 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
|
|
2561 | |
|
|
2562 | av_push (av, waiter); |
|
|
2563 | |
|
|
2564 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
|
|
2565 | frame->prepare = prepare_schedule; |
|
|
2566 | frame->check = slf_check_signal_wait; |
|
|
2567 | } |
2117 | } |
2568 | } |
2118 | |
2569 | |
2119 | /*****************************************************************************/ |
2570 | /*****************************************************************************/ |
2120 | /* Coro::AIO */ |
2571 | /* Coro::AIO */ |
2121 | |
2572 | |
… | |
… | |
2136 | dXSARGS; |
2587 | dXSARGS; |
2137 | AV *state = (AV *)GENSUB_ARG; |
2588 | AV *state = (AV *)GENSUB_ARG; |
2138 | SV *coro = av_pop (state); |
2589 | SV *coro = av_pop (state); |
2139 | SV *data_sv = newSV (sizeof (struct io_state)); |
2590 | SV *data_sv = newSV (sizeof (struct io_state)); |
2140 | |
2591 | |
2141 | av_extend (state, items); |
2592 | av_extend (state, items - 1); |
2142 | |
2593 | |
2143 | sv_upgrade (data_sv, SVt_PV); |
2594 | sv_upgrade (data_sv, SVt_PV); |
2144 | SvCUR_set (data_sv, sizeof (struct io_state)); |
2595 | SvCUR_set (data_sv, sizeof (struct io_state)); |
2145 | SvPOK_only (data_sv); |
2596 | SvPOK_only (data_sv); |
2146 | |
2597 | |
… | |
… | |
2281 | XSRETURN_EMPTY; |
2732 | XSRETURN_EMPTY; |
2282 | } |
2733 | } |
2283 | |
2734 | |
2284 | /*****************************************************************************/ |
2735 | /*****************************************************************************/ |
2285 | |
2736 | |
|
|
2737 | #if CORO_CLONE |
|
|
2738 | # include "clone.c" |
|
|
2739 | #endif |
|
|
2740 | |
2286 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2741 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2287 | |
2742 | |
2288 | PROTOTYPES: DISABLE |
2743 | PROTOTYPES: DISABLE |
2289 | |
2744 | |
2290 | BOOT: |
2745 | BOOT: |
… | |
… | |
2294 | coro_thx = PERL_GET_CONTEXT; |
2749 | coro_thx = PERL_GET_CONTEXT; |
2295 | # endif |
2750 | # endif |
2296 | #endif |
2751 | #endif |
2297 | BOOT_PAGESIZE; |
2752 | BOOT_PAGESIZE; |
2298 | |
2753 | |
|
|
2754 | cctx_current = cctx_new_empty (); |
|
|
2755 | |
2299 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2756 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2300 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2757 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2301 | |
2758 | |
2302 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2759 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2303 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
2760 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
… | |
… | |
2322 | |
2779 | |
2323 | { |
2780 | { |
2324 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
2781 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
2325 | |
2782 | |
2326 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
2783 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
2327 | hv_store_ent (PL_custom_op_names, slf, |
2784 | hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0); |
2328 | newSVpv ("coro_slf", 0), 0); |
|
|
2329 | |
2785 | |
2330 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
2786 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
2331 | hv_store_ent (PL_custom_op_descs, slf, |
2787 | hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0); |
2332 | newSVpv ("coro schedule like function", 0), 0); |
|
|
2333 | } |
2788 | } |
2334 | |
2789 | |
2335 | coroapi.ver = CORO_API_VERSION; |
2790 | coroapi.ver = CORO_API_VERSION; |
2336 | coroapi.rev = CORO_API_REVISION; |
2791 | coroapi.rev = CORO_API_REVISION; |
2337 | |
2792 | |
… | |
… | |
2356 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2811 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2357 | } |
2812 | } |
2358 | |
2813 | |
2359 | SV * |
2814 | SV * |
2360 | new (char *klass, ...) |
2815 | new (char *klass, ...) |
|
|
2816 | ALIAS: |
|
|
2817 | Coro::new = 1 |
2361 | CODE: |
2818 | CODE: |
2362 | { |
2819 | { |
2363 | struct coro *coro; |
2820 | struct coro *coro; |
2364 | MAGIC *mg; |
2821 | MAGIC *mg; |
2365 | HV *hv; |
2822 | HV *hv; |
|
|
2823 | CV *cb; |
2366 | int i; |
2824 | int i; |
|
|
2825 | |
|
|
2826 | if (items > 1) |
|
|
2827 | { |
|
|
2828 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2829 | |
|
|
2830 | if (!ix) |
|
|
2831 | { |
|
|
2832 | if (CvISXSUB (cb)) |
|
|
2833 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2834 | |
|
|
2835 | if (!CvROOT (cb)) |
|
|
2836 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2837 | } |
|
|
2838 | } |
2367 | |
2839 | |
2368 | Newz (0, coro, 1, struct coro); |
2840 | Newz (0, coro, 1, struct coro); |
2369 | coro->args = newAV (); |
2841 | coro->args = newAV (); |
2370 | coro->flags = CF_NEW; |
2842 | coro->flags = CF_NEW; |
2371 | |
2843 | |
… | |
… | |
2376 | coro->hv = hv = newHV (); |
2848 | coro->hv = hv = newHV (); |
2377 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
2849 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
2378 | mg->mg_flags |= MGf_DUP; |
2850 | mg->mg_flags |= MGf_DUP; |
2379 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
2851 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
2380 | |
2852 | |
|
|
2853 | if (items > 1) |
|
|
2854 | { |
2381 | av_extend (coro->args, items - 1); |
2855 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2856 | |
|
|
2857 | if (ix) |
|
|
2858 | { |
|
|
2859 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2860 | cb = cv_coro_run; |
|
|
2861 | } |
|
|
2862 | |
|
|
2863 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2864 | |
2382 | for (i = 1; i < items; i++) |
2865 | for (i = 2; i < items; i++) |
2383 | av_push (coro->args, newSVsv (ST (i))); |
2866 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2867 | } |
2384 | } |
2868 | } |
2385 | OUTPUT: |
2869 | OUTPUT: |
2386 | RETVAL |
2870 | RETVAL |
2387 | |
2871 | |
2388 | void |
2872 | void |
… | |
… | |
2401 | void |
2885 | void |
2402 | _exit (int code) |
2886 | _exit (int code) |
2403 | PROTOTYPE: $ |
2887 | PROTOTYPE: $ |
2404 | CODE: |
2888 | CODE: |
2405 | _exit (code); |
2889 | _exit (code); |
|
|
2890 | |
|
|
2891 | SV * |
|
|
2892 | clone (Coro::State coro) |
|
|
2893 | CODE: |
|
|
2894 | { |
|
|
2895 | #if CORO_CLONE |
|
|
2896 | struct coro *ncoro = coro_clone (coro); |
|
|
2897 | MAGIC *mg; |
|
|
2898 | /* TODO: too much duplication */ |
|
|
2899 | ncoro->hv = newHV (); |
|
|
2900 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
|
|
2901 | mg->mg_flags |= MGf_DUP; |
|
|
2902 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
|
|
2903 | #else |
|
|
2904 | croak ("Coro::State->clone has not been configured into this installation of Coro, realised"); |
|
|
2905 | #endif |
|
|
2906 | } |
|
|
2907 | OUTPUT: |
|
|
2908 | RETVAL |
2406 | |
2909 | |
2407 | int |
2910 | int |
2408 | cctx_stacksize (int new_stacksize = 0) |
2911 | cctx_stacksize (int new_stacksize = 0) |
2409 | PROTOTYPE: ;$ |
2912 | PROTOTYPE: ;$ |
2410 | CODE: |
2913 | CODE: |
… | |
… | |
2531 | |
3034 | |
2532 | SV * |
3035 | SV * |
2533 | has_cctx (Coro::State coro) |
3036 | has_cctx (Coro::State coro) |
2534 | PROTOTYPE: $ |
3037 | PROTOTYPE: $ |
2535 | CODE: |
3038 | CODE: |
2536 | RETVAL = boolSV (!!coro->cctx); |
3039 | /* maybe manage the running flag differently */ |
|
|
3040 | RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING)); |
2537 | OUTPUT: |
3041 | OUTPUT: |
2538 | RETVAL |
3042 | RETVAL |
2539 | |
3043 | |
2540 | int |
3044 | int |
2541 | is_traced (Coro::State coro) |
3045 | is_traced (Coro::State coro) |
… | |
… | |
2561 | |
3065 | |
2562 | void |
3066 | void |
2563 | force_cctx () |
3067 | force_cctx () |
2564 | PROTOTYPE: |
3068 | PROTOTYPE: |
2565 | CODE: |
3069 | CODE: |
2566 | SvSTATE_current->cctx->idle_sp = 0; |
3070 | cctx_current->idle_sp = 0; |
2567 | |
3071 | |
2568 | void |
3072 | void |
2569 | swap_defsv (Coro::State self) |
3073 | swap_defsv (Coro::State self) |
2570 | PROTOTYPE: $ |
3074 | PROTOTYPE: $ |
2571 | ALIAS: |
3075 | ALIAS: |
… | |
… | |
2586 | |
3090 | |
2587 | BOOT: |
3091 | BOOT: |
2588 | { |
3092 | { |
2589 | int i; |
3093 | int i; |
2590 | |
3094 | |
2591 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2592 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3095 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
2593 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3096 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
2594 | |
3097 | cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); |
|
|
3098 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
2595 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
3099 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
2596 | SvREADONLY_on (coro_current); |
3100 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
3101 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
|
|
3102 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3103 | |
|
|
3104 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
|
|
3105 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
|
|
3106 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
|
|
3107 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
2597 | |
3108 | |
2598 | coro_stash = gv_stashpv ("Coro", TRUE); |
3109 | coro_stash = gv_stashpv ("Coro", TRUE); |
2599 | |
3110 | |
2600 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3111 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
2601 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3112 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
… | |
… | |
2609 | |
3120 | |
2610 | { |
3121 | { |
2611 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3122 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
2612 | |
3123 | |
2613 | coroapi.schedule = api_schedule; |
3124 | coroapi.schedule = api_schedule; |
|
|
3125 | coroapi.schedule_to = api_schedule_to; |
2614 | coroapi.cede = api_cede; |
3126 | coroapi.cede = api_cede; |
2615 | coroapi.cede_notself = api_cede_notself; |
3127 | coroapi.cede_notself = api_cede_notself; |
2616 | coroapi.ready = api_ready; |
3128 | coroapi.ready = api_ready; |
2617 | coroapi.is_ready = api_is_ready; |
3129 | coroapi.is_ready = api_is_ready; |
2618 | coroapi.nready = coro_nready; |
3130 | coroapi.nready = coro_nready; |
… | |
… | |
2623 | SvREADONLY_on (sv); |
3135 | SvREADONLY_on (sv); |
2624 | } |
3136 | } |
2625 | } |
3137 | } |
2626 | |
3138 | |
2627 | void |
3139 | void |
|
|
3140 | terminate (...) |
|
|
3141 | CODE: |
|
|
3142 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3143 | |
|
|
3144 | void |
2628 | schedule (...) |
3145 | schedule (...) |
2629 | CODE: |
3146 | CODE: |
2630 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3147 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
|
|
3148 | |
|
|
3149 | void |
|
|
3150 | schedule_to (...) |
|
|
3151 | CODE: |
|
|
3152 | CORO_EXECUTE_SLF_XS (slf_init_schedule_to); |
|
|
3153 | |
|
|
3154 | void |
|
|
3155 | cede_to (...) |
|
|
3156 | CODE: |
|
|
3157 | CORO_EXECUTE_SLF_XS (slf_init_cede_to); |
2631 | |
3158 | |
2632 | void |
3159 | void |
2633 | cede (...) |
3160 | cede (...) |
2634 | CODE: |
3161 | CODE: |
2635 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
3162 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
2636 | |
3163 | |
2637 | void |
3164 | void |
2638 | cede_notself (...) |
3165 | cede_notself (...) |
2639 | CODE: |
3166 | CODE: |
2640 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3167 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
|
|
3168 | |
|
|
3169 | void |
|
|
3170 | _cancel (Coro::State self) |
|
|
3171 | CODE: |
|
|
3172 | coro_state_destroy (aTHX_ self); |
|
|
3173 | coro_call_on_destroy (aTHX_ self); |
2641 | |
3174 | |
2642 | void |
3175 | void |
2643 | _set_current (SV *current) |
3176 | _set_current (SV *current) |
2644 | PROTOTYPE: $ |
3177 | PROTOTYPE: $ |
2645 | CODE: |
3178 | CODE: |
… | |
… | |
2690 | CODE: |
3223 | CODE: |
2691 | RETVAL = coro_nready; |
3224 | RETVAL = coro_nready; |
2692 | OUTPUT: |
3225 | OUTPUT: |
2693 | RETVAL |
3226 | RETVAL |
2694 | |
3227 | |
2695 | # for async_pool speedup |
|
|
2696 | void |
3228 | void |
2697 | _pool_1 (SV *cb) |
3229 | _pool_handler (...) |
2698 | CODE: |
3230 | CODE: |
2699 | { |
3231 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
2700 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2701 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
2702 | AV *defav = GvAV (PL_defgv); |
|
|
2703 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
2704 | AV *invoke_av; |
|
|
2705 | int i, len; |
|
|
2706 | |
3232 | |
2707 | if (!invoke) |
3233 | void |
|
|
3234 | async_pool (SV *cv, ...) |
|
|
3235 | PROTOTYPE: &@ |
|
|
3236 | PPCODE: |
|
|
3237 | { |
|
|
3238 | HV *hv = (HV *)av_pop (av_async_pool); |
|
|
3239 | AV *av = newAV (); |
|
|
3240 | SV *cb = ST (0); |
|
|
3241 | int i; |
|
|
3242 | |
|
|
3243 | av_extend (av, items - 2); |
|
|
3244 | for (i = 1; i < items; ++i) |
|
|
3245 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
|
|
3246 | |
|
|
3247 | if ((SV *)hv == &PL_sv_undef) |
2708 | { |
3248 | { |
2709 | SV *old = PL_diehook; |
3249 | PUSHMARK (SP); |
2710 | PL_diehook = 0; |
3250 | EXTEND (SP, 2); |
2711 | SvREFCNT_dec (old); |
3251 | PUSHs (sv_Coro); |
2712 | croak ("\3async_pool terminate\2\n"); |
3252 | PUSHs ((SV *)cv_pool_handler); |
|
|
3253 | PUTBACK; |
|
|
3254 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3255 | SPAGAIN; |
|
|
3256 | |
|
|
3257 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
2713 | } |
3258 | } |
2714 | |
3259 | |
2715 | SvREFCNT_dec (coro->saved_deffh); |
|
|
2716 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
2717 | |
|
|
2718 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2719 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
2720 | |
|
|
2721 | invoke_av = (AV *)SvRV (invoke); |
|
|
2722 | len = av_len (invoke_av); |
|
|
2723 | |
|
|
2724 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
2725 | |
|
|
2726 | if (len > 0) |
|
|
2727 | { |
3260 | { |
2728 | av_fill (defav, len - 1); |
3261 | struct coro *coro = SvSTATE_hv (hv); |
2729 | for (i = 0; i < len; ++i) |
3262 | |
2730 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
3263 | assert (!coro->invoke_cb); |
|
|
3264 | assert (!coro->invoke_av); |
|
|
3265 | coro->invoke_cb = SvREFCNT_inc (cb); |
|
|
3266 | coro->invoke_av = av; |
2731 | } |
3267 | } |
|
|
3268 | |
|
|
3269 | api_ready (aTHX_ (SV *)hv); |
|
|
3270 | |
|
|
3271 | if (GIMME_V != G_VOID) |
|
|
3272 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
|
|
3273 | else |
|
|
3274 | SvREFCNT_dec (hv); |
2732 | } |
3275 | } |
|
|
3276 | |
|
|
3277 | SV * |
|
|
3278 | rouse_cb () |
|
|
3279 | PROTOTYPE: |
|
|
3280 | CODE: |
|
|
3281 | RETVAL = coro_new_rouse_cb (aTHX); |
|
|
3282 | OUTPUT: |
|
|
3283 | RETVAL |
2733 | |
3284 | |
2734 | void |
3285 | void |
2735 | _pool_2 (SV *cb) |
3286 | rouse_wait (...) |
|
|
3287 | PROTOTYPE: ;$ |
2736 | CODE: |
3288 | PPCODE: |
2737 | { |
3289 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
2738 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2739 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
2740 | |
|
|
2741 | sv_setsv (cb, &PL_sv_undef); |
|
|
2742 | |
|
|
2743 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
2744 | coro->saved_deffh = 0; |
|
|
2745 | |
|
|
2746 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
2747 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2748 | { |
|
|
2749 | SV *old = PL_diehook; |
|
|
2750 | PL_diehook = 0; |
|
|
2751 | SvREFCNT_dec (old); |
|
|
2752 | croak ("\3async_pool terminate\2\n"); |
|
|
2753 | } |
|
|
2754 | |
|
|
2755 | av_clear (GvAV (PL_defgv)); |
|
|
2756 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2757 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
2758 | |
|
|
2759 | coro->prio = 0; |
|
|
2760 | |
|
|
2761 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
2762 | api_trace (aTHX_ coro_current, 0); |
|
|
2763 | |
|
|
2764 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
2765 | } |
|
|
2766 | |
3290 | |
2767 | |
3291 | |
2768 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3292 | MODULE = Coro::State PACKAGE = PerlIO::cede |
2769 | |
3293 | |
2770 | BOOT: |
3294 | BOOT: |
… | |
… | |
2772 | |
3296 | |
2773 | |
3297 | |
2774 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3298 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
2775 | |
3299 | |
2776 | SV * |
3300 | SV * |
2777 | new (SV *klass, SV *count_ = 0) |
3301 | new (SV *klass, SV *count = 0) |
2778 | CODE: |
3302 | CODE: |
2779 | { |
3303 | RETVAL = sv_bless ( |
2780 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
3304 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
2781 | AV *av = newAV (); |
3305 | GvSTASH (CvGV (cv)) |
2782 | SV **ary; |
3306 | ); |
|
|
3307 | OUTPUT: |
|
|
3308 | RETVAL |
2783 | |
3309 | |
2784 | /* unfortunately, building manually saves memory */ |
3310 | # helper for Coro::Channel |
2785 | Newx (ary, 2, SV *); |
3311 | SV * |
2786 | AvALLOC (av) = ary; |
3312 | _alloc (int count) |
2787 | AvARRAY (av) = ary; |
3313 | CODE: |
2788 | AvMAX (av) = 1; |
3314 | RETVAL = coro_waitarray_new (aTHX_ count); |
2789 | AvFILLp (av) = 0; |
|
|
2790 | ary [0] = newSViv (count_ && SvOK (count_) ? SvIV (count_) : 1); |
|
|
2791 | |
|
|
2792 | RETVAL = sv_bless (newRV_noinc ((SV *)av), GvSTASH (CvGV (cv))); |
|
|
2793 | } |
|
|
2794 | OUTPUT: |
3315 | OUTPUT: |
2795 | RETVAL |
3316 | RETVAL |
2796 | |
3317 | |
2797 | SV * |
3318 | SV * |
2798 | count (SV *self) |
3319 | count (SV *self) |
… | |
… | |
2807 | adjust = 1 |
3328 | adjust = 1 |
2808 | CODE: |
3329 | CODE: |
2809 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
3330 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
2810 | |
3331 | |
2811 | void |
3332 | void |
2812 | down (SV *self) |
3333 | down (...) |
2813 | CODE: |
3334 | CODE: |
2814 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
3335 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
|
|
3336 | |
|
|
3337 | void |
|
|
3338 | wait (...) |
|
|
3339 | CODE: |
|
|
3340 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait); |
2815 | |
3341 | |
2816 | void |
3342 | void |
2817 | try (SV *self) |
3343 | try (SV *self) |
2818 | PPCODE: |
3344 | PPCODE: |
2819 | { |
3345 | { |
… | |
… | |
2831 | XSRETURN_NO; |
3357 | XSRETURN_NO; |
2832 | } |
3358 | } |
2833 | |
3359 | |
2834 | void |
3360 | void |
2835 | waiters (SV *self) |
3361 | waiters (SV *self) |
2836 | CODE: |
3362 | PPCODE: |
2837 | { |
3363 | { |
2838 | AV *av = (AV *)SvRV (self); |
3364 | AV *av = (AV *)SvRV (self); |
|
|
3365 | int wcount = AvFILLp (av) + 1 - 1; |
2839 | |
3366 | |
2840 | if (GIMME_V == G_SCALAR) |
3367 | if (GIMME_V == G_SCALAR) |
2841 | XPUSHs (sv_2mortal (newSVsv (AvARRAY (av)[0]))); |
3368 | XPUSHs (sv_2mortal (newSViv (wcount))); |
2842 | else |
3369 | else |
2843 | { |
3370 | { |
2844 | int i; |
3371 | int i; |
2845 | EXTEND (SP, AvFILLp (av) + 1 - 1); |
3372 | EXTEND (SP, wcount); |
2846 | for (i = 1; i <= AvFILLp (av); ++i) |
3373 | for (i = 1; i <= wcount; ++i) |
2847 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3374 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
2848 | } |
3375 | } |
2849 | } |
3376 | } |
|
|
3377 | |
|
|
3378 | MODULE = Coro::State PACKAGE = Coro::Signal |
|
|
3379 | |
|
|
3380 | SV * |
|
|
3381 | new (SV *klass) |
|
|
3382 | CODE: |
|
|
3383 | RETVAL = sv_bless ( |
|
|
3384 | coro_waitarray_new (aTHX_ 0), |
|
|
3385 | GvSTASH (CvGV (cv)) |
|
|
3386 | ); |
|
|
3387 | OUTPUT: |
|
|
3388 | RETVAL |
|
|
3389 | |
|
|
3390 | void |
|
|
3391 | wait (...) |
|
|
3392 | CODE: |
|
|
3393 | CORO_EXECUTE_SLF_XS (slf_init_signal_wait); |
|
|
3394 | |
|
|
3395 | void |
|
|
3396 | broadcast (SV *self) |
|
|
3397 | CODE: |
|
|
3398 | { |
|
|
3399 | AV *av = (AV *)SvRV (self); |
|
|
3400 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
|
|
3401 | } |
|
|
3402 | |
|
|
3403 | void |
|
|
3404 | send (SV *self) |
|
|
3405 | CODE: |
|
|
3406 | { |
|
|
3407 | AV *av = (AV *)SvRV (self); |
|
|
3408 | |
|
|
3409 | if (AvFILLp (av)) |
|
|
3410 | coro_signal_wake (aTHX_ av, 1); |
|
|
3411 | else |
|
|
3412 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
|
|
3413 | } |
|
|
3414 | |
|
|
3415 | IV |
|
|
3416 | awaited (SV *self) |
|
|
3417 | CODE: |
|
|
3418 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
|
|
3419 | OUTPUT: |
|
|
3420 | RETVAL |
2850 | |
3421 | |
2851 | |
3422 | |
2852 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
3423 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
2853 | |
3424 | |
2854 | BOOT: |
3425 | BOOT: |
… | |
… | |
2882 | |
3453 | |
2883 | void |
3454 | void |
2884 | _register (char *target, char *proto, SV *req) |
3455 | _register (char *target, char *proto, SV *req) |
2885 | CODE: |
3456 | CODE: |
2886 | { |
3457 | { |
2887 | HV *st; |
3458 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
2888 | GV *gvp; |
|
|
2889 | CV *req_cv = sv_2cv (req, &st, &gvp, 0); |
|
|
2890 | /* newXSproto doesn't return the CV on 5.8 */ |
3459 | /* newXSproto doesn't return the CV on 5.8 */ |
2891 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3460 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
2892 | sv_setpv ((SV *)slf_cv, proto); |
3461 | sv_setpv ((SV *)slf_cv, proto); |
2893 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3462 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
2894 | } |
3463 | } |