… | |
… | |
4 | #define PERL_EXT |
4 | #define PERL_EXT |
5 | |
5 | |
6 | #include "EXTERN.h" |
6 | #include "EXTERN.h" |
7 | #include "perl.h" |
7 | #include "perl.h" |
8 | #include "XSUB.h" |
8 | #include "XSUB.h" |
|
|
9 | #include "perliol.h" |
9 | |
10 | |
10 | #include "patchlevel.h" |
11 | #include "patchlevel.h" |
11 | |
12 | |
12 | #include <stdio.h> |
13 | #include <stdio.h> |
13 | #include <errno.h> |
14 | #include <errno.h> |
… | |
… | |
45 | # define BOOT_PAGESIZE (void)0 |
46 | # define BOOT_PAGESIZE (void)0 |
46 | #endif |
47 | #endif |
47 | |
48 | |
48 | #if CORO_USE_VALGRIND |
49 | #if CORO_USE_VALGRIND |
49 | # include <valgrind/valgrind.h> |
50 | # include <valgrind/valgrind.h> |
50 | # define REGISTER_STACK(cctx,start,end) (cctx)->valgrind_id = VALGRIND_STACK_REGISTER ((start), (end)) |
|
|
51 | #else |
|
|
52 | # define REGISTER_STACK(cctx,start,end) |
|
|
53 | #endif |
51 | #endif |
54 | |
52 | |
55 | /* the maximum number of idle cctx that will be pooled */ |
53 | /* the maximum number of idle cctx that will be pooled */ |
56 | #define MAX_IDLE_CCTX 8 |
54 | static int cctx_max_idle = 4; |
57 | |
55 | |
58 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
59 | (PERL_REVISION > (a) \ |
57 | (PERL_REVISION > (a) \ |
60 | || (PERL_REVISION == (a) \ |
58 | || (PERL_REVISION == (a) \ |
61 | && (PERL_VERSION > (b) \ |
59 | && (PERL_VERSION > (b) \ |
… | |
… | |
80 | # ifndef IS_PADCONST |
78 | # ifndef IS_PADCONST |
81 | # define IS_PADCONST(v) 0 |
79 | # define IS_PADCONST(v) 0 |
82 | # endif |
80 | # endif |
83 | #endif |
81 | #endif |
84 | |
82 | |
|
|
83 | /* 5.11 */ |
|
|
84 | #ifndef CxHASARGS |
|
|
85 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
|
|
86 | #endif |
|
|
87 | |
|
|
88 | /* 5.10.0 */ |
|
|
89 | #ifndef SvREFCNT_inc_NN |
|
|
90 | # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
|
|
91 | #endif |
|
|
92 | |
85 | /* 5.8.8 */ |
93 | /* 5.8.8 */ |
86 | #ifndef GV_NOTQUAL |
94 | #ifndef GV_NOTQUAL |
87 | # define GV_NOTQUAL 0 |
95 | # define GV_NOTQUAL 0 |
88 | #endif |
96 | #endif |
89 | #ifndef newSV |
97 | #ifndef newSV |
90 | # define newSV(l) NEWSV(0,l) |
98 | # define newSV(l) NEWSV(0,l) |
91 | #endif |
|
|
92 | |
|
|
93 | /* 5.11 */ |
|
|
94 | #ifndef CxHASARGS |
|
|
95 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
|
|
96 | #endif |
99 | #endif |
97 | |
100 | |
98 | /* 5.8.7 */ |
101 | /* 5.8.7 */ |
99 | #ifndef SvRV_set |
102 | #ifndef SvRV_set |
100 | # define SvRV_set(s,v) SvRV(s) = (v) |
103 | # define SvRV_set(s,v) SvRV(s) = (v) |
… | |
… | |
120 | |
123 | |
121 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
124 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
122 | |
125 | |
123 | #if __GNUC__ >= 3 |
126 | #if __GNUC__ >= 3 |
124 | # define attribute(x) __attribute__(x) |
127 | # define attribute(x) __attribute__(x) |
125 | # define BARRIER __asm__ __volatile__ ("" : : : "memory") |
|
|
126 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
128 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
129 | # define INLINE static inline |
127 | #else |
130 | #else |
128 | # define attribute(x) |
131 | # define attribute(x) |
129 | # define BARRIER |
|
|
130 | # define expect(expr,value) (expr) |
132 | # define expect(expr,value) (expr) |
|
|
133 | # define INLINE static |
131 | #endif |
134 | #endif |
132 | |
135 | |
133 | #define expect_false(expr) expect ((expr) != 0, 0) |
136 | #define expect_false(expr) expect ((expr) != 0, 0) |
134 | #define expect_true(expr) expect ((expr) != 0, 1) |
137 | #define expect_true(expr) expect ((expr) != 0, 1) |
135 | |
138 | |
136 | #define NOINLINE attribute ((noinline)) |
139 | #define NOINLINE attribute ((noinline)) |
137 | |
140 | |
138 | #include "CoroAPI.h" |
141 | #include "CoroAPI.h" |
139 | |
142 | |
140 | #ifdef USE_ITHREADS |
143 | #ifdef USE_ITHREADS |
|
|
144 | |
141 | static perl_mutex coro_mutex; |
145 | static perl_mutex coro_lock; |
142 | # define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) |
146 | # define LOCK do { MUTEX_LOCK (&coro_lock); } while (0) |
143 | # define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0) |
147 | # define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0) |
|
|
148 | # if CORO_PTHREAD |
|
|
149 | static void *coro_thx; |
|
|
150 | # endif |
|
|
151 | |
144 | #else |
152 | #else |
|
|
153 | |
145 | # define LOCK (void)0 |
154 | # define LOCK (void)0 |
146 | # define UNLOCK (void)0 |
155 | # define UNLOCK (void)0 |
|
|
156 | |
147 | #endif |
157 | #endif |
|
|
158 | |
|
|
159 | # undef LOCK |
|
|
160 | # define LOCK (void)0 |
|
|
161 | # undef UNLOCK |
|
|
162 | # define UNLOCK (void)0 |
148 | |
163 | |
149 | /* helper storage struct for Coro::AIO */ |
164 | /* helper storage struct for Coro::AIO */ |
150 | struct io_state |
165 | struct io_state |
151 | { |
166 | { |
|
|
167 | AV *res; |
152 | int errorno; |
168 | int errorno; |
153 | I32 laststype; |
169 | I32 laststype; /* U16 in 5.10.0 */ |
154 | int laststatval; |
170 | int laststatval; |
155 | Stat_t statcache; |
171 | Stat_t statcache; |
156 | }; |
172 | }; |
157 | |
173 | |
|
|
174 | static double (*nvtime)(); /* so why doesn't it take void? */ |
|
|
175 | |
|
|
176 | static U32 cctx_gen; |
158 | static size_t coro_stacksize = CORO_STACKSIZE; |
177 | static size_t cctx_stacksize = CORO_STACKSIZE; |
159 | static struct CoroAPI coroapi; |
178 | static struct CoroAPI coroapi; |
160 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
179 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
161 | static JMPENV *main_top_env; |
180 | static JMPENV *main_top_env; |
162 | static HV *coro_state_stash, *coro_stash; |
181 | static HV *coro_state_stash, *coro_stash; |
163 | static volatile SV *coro_mortal; /* will be freed after next transfer */ |
182 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
|
|
183 | static volatile struct coro *transfer_next; |
|
|
184 | |
|
|
185 | struct transfer_args |
|
|
186 | { |
|
|
187 | struct coro *prev, *next; |
|
|
188 | }; |
164 | |
189 | |
165 | static GV *irsgv; /* $/ */ |
190 | static GV *irsgv; /* $/ */ |
166 | static GV *stdoutgv; /* *STDOUT */ |
191 | static GV *stdoutgv; /* *STDOUT */ |
167 | static SV *rv_diehook; |
192 | static SV *rv_diehook; |
168 | static SV *rv_warnhook; |
193 | static SV *rv_warnhook; |
… | |
… | |
200 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
225 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
201 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
226 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
202 | JMPENV *top_env; |
227 | JMPENV *top_env; |
203 | coro_context cctx; |
228 | coro_context cctx; |
204 | |
229 | |
|
|
230 | U32 gen; |
205 | #if CORO_USE_VALGRIND |
231 | #if CORO_USE_VALGRIND |
206 | int valgrind_id; |
232 | int valgrind_id; |
207 | #endif |
233 | #endif |
208 | unsigned char flags; |
234 | unsigned char flags; |
209 | } coro_cctx; |
235 | } coro_cctx; |
… | |
… | |
269 | #define PRIO_MIN -4 |
295 | #define PRIO_MIN -4 |
270 | |
296 | |
271 | /* for Coro.pm */ |
297 | /* for Coro.pm */ |
272 | static SV *coro_current; |
298 | static SV *coro_current; |
273 | static SV *coro_readyhook; |
299 | static SV *coro_readyhook; |
274 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
300 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
275 | static int coro_nready; |
301 | static int coro_nready; |
276 | static struct coro *coro_first; |
302 | static struct coro *coro_first; |
277 | |
303 | |
278 | /** lowlevel stuff **********************************************************/ |
304 | /** lowlevel stuff **********************************************************/ |
279 | |
305 | |
… | |
… | |
321 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
347 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
322 | #endif |
348 | #endif |
323 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
349 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
324 | --AvFILLp (padlist); |
350 | --AvFILLp (padlist); |
325 | |
351 | |
326 | av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE))); |
352 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
327 | av_store (newpadlist, 1, (SV *)newpad); |
353 | av_store (newpadlist, 1, (SV *)newpad); |
328 | |
354 | |
329 | return newpadlist; |
355 | return newpadlist; |
330 | } |
356 | } |
331 | |
357 | |
… | |
… | |
361 | |
387 | |
362 | /* casting is fun. */ |
388 | /* casting is fun. */ |
363 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
389 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
364 | free_padlist (aTHX_ padlist); |
390 | free_padlist (aTHX_ padlist); |
365 | |
391 | |
|
|
392 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
393 | |
366 | return 0; |
394 | return 0; |
367 | } |
395 | } |
368 | |
396 | |
369 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
397 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
370 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
398 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
… | |
… | |
372 | static MGVTBL coro_cv_vtbl = { |
400 | static MGVTBL coro_cv_vtbl = { |
373 | 0, 0, 0, 0, |
401 | 0, 0, 0, 0, |
374 | coro_cv_free |
402 | coro_cv_free |
375 | }; |
403 | }; |
376 | |
404 | |
377 | #define CORO_MAGIC(sv,type) \ |
405 | #define CORO_MAGIC(sv, type) \ |
378 | SvMAGIC (sv) \ |
406 | SvMAGIC (sv) \ |
379 | ? SvMAGIC (sv)->mg_type == type \ |
407 | ? SvMAGIC (sv)->mg_type == type \ |
380 | ? SvMAGIC (sv) \ |
408 | ? SvMAGIC (sv) \ |
381 | : mg_find (sv, type) \ |
409 | : mg_find (sv, type) \ |
382 | : 0 |
410 | : 0 |
383 | |
411 | |
384 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
412 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
385 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
413 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
386 | |
414 | |
387 | static struct coro * |
415 | INLINE struct coro * |
388 | SvSTATE_ (pTHX_ SV *coro) |
416 | SvSTATE_ (pTHX_ SV *coro) |
389 | { |
417 | { |
390 | HV *stash; |
418 | HV *stash; |
391 | MAGIC *mg; |
419 | MAGIC *mg; |
392 | |
420 | |
… | |
… | |
420 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
448 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
421 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
449 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
422 | else |
450 | else |
423 | { |
451 | { |
424 | #if CORO_PREFER_PERL_FUNCTIONS |
452 | #if CORO_PREFER_PERL_FUNCTIONS |
425 | /* this is probably cleaner, but also slower? */ |
453 | /* this is probably cleaner? but also slower! */ |
|
|
454 | /* in practise, it seems to be less stable */ |
426 | CV *cp = Perl_cv_clone (cv); |
455 | CV *cp = Perl_cv_clone (cv); |
427 | CvPADLIST (cv) = CvPADLIST (cp); |
456 | CvPADLIST (cv) = CvPADLIST (cp); |
428 | CvPADLIST (cp) = 0; |
457 | CvPADLIST (cp) = 0; |
429 | SvREFCNT_dec (cp); |
458 | SvREFCNT_dec (cp); |
430 | #else |
459 | #else |
… | |
… | |
616 | |
645 | |
617 | /* |
646 | /* |
618 | * destroy the stacks, the callchain etc... |
647 | * destroy the stacks, the callchain etc... |
619 | */ |
648 | */ |
620 | static void |
649 | static void |
621 | coro_destroy_stacks (pTHX) |
650 | coro_destruct_stacks (pTHX) |
622 | { |
651 | { |
623 | while (PL_curstackinfo->si_next) |
652 | while (PL_curstackinfo->si_next) |
624 | PL_curstackinfo = PL_curstackinfo->si_next; |
653 | PL_curstackinfo = PL_curstackinfo->si_next; |
625 | |
654 | |
626 | while (PL_curstackinfo) |
655 | while (PL_curstackinfo) |
… | |
… | |
663 | #undef VAR |
692 | #undef VAR |
664 | } |
693 | } |
665 | else |
694 | else |
666 | slot = coro->slot; |
695 | slot = coro->slot; |
667 | |
696 | |
|
|
697 | if (slot) |
|
|
698 | { |
668 | rss += sizeof (slot->curstackinfo); |
699 | rss += sizeof (slot->curstackinfo); |
669 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
700 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
670 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
701 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
671 | rss += slot->tmps_max * sizeof (SV *); |
702 | rss += slot->tmps_max * sizeof (SV *); |
672 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
703 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
673 | rss += slot->scopestack_max * sizeof (I32); |
704 | rss += slot->scopestack_max * sizeof (I32); |
674 | rss += slot->savestack_max * sizeof (ANY); |
705 | rss += slot->savestack_max * sizeof (ANY); |
675 | |
706 | |
676 | #if !PERL_VERSION_ATLEAST (5,10,0) |
707 | #if !PERL_VERSION_ATLEAST (5,10,0) |
677 | rss += slot->retstack_max * sizeof (OP *); |
708 | rss += slot->retstack_max * sizeof (OP *); |
678 | #endif |
709 | #endif |
|
|
710 | } |
679 | } |
711 | } |
680 | |
712 | |
681 | return rss; |
713 | return rss; |
682 | } |
714 | } |
683 | |
715 | |
… | |
… | |
691 | #ifndef MgPV_nolen_const |
723 | #ifndef MgPV_nolen_const |
692 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
724 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
693 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
725 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
694 | (const char*)(mg)->mg_ptr) |
726 | (const char*)(mg)->mg_ptr) |
695 | #endif |
727 | #endif |
|
|
728 | |
|
|
729 | /* we sometimes need to create the effect of entersub calling us */ |
|
|
730 | #define SSL_HEAD (void)0 |
|
|
731 | /* we somtimes need to create the effect of leaving via entersub */ |
|
|
732 | #define SSL_TAIL (void)0 |
696 | |
733 | |
697 | /* |
734 | /* |
698 | * This overrides the default magic get method of %SIG elements. |
735 | * This overrides the default magic get method of %SIG elements. |
699 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
736 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
700 | * and instead of tryign to save and restore the hash elements, we just provide |
737 | * and instead of tryign to save and restore the hash elements, we just provide |
… | |
… | |
801 | GvSV (PL_defgv) = newSV (0); |
838 | GvSV (PL_defgv) = newSV (0); |
802 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
839 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
803 | GvSV (PL_errgv) = newSV (0); |
840 | GvSV (PL_errgv) = newSV (0); |
804 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
841 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
805 | PL_rs = newSVsv (GvSV (irsgv)); |
842 | PL_rs = newSVsv (GvSV (irsgv)); |
806 | PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv); |
843 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
807 | |
844 | |
808 | { |
845 | { |
809 | dSP; |
846 | dSP; |
810 | LOGOP myop; |
847 | UNOP myop; |
811 | |
848 | |
812 | Zero (&myop, 1, LOGOP); |
849 | Zero (&myop, 1, UNOP); |
813 | myop.op_next = Nullop; |
850 | myop.op_next = Nullop; |
814 | myop.op_flags = OPf_WANT_VOID; |
851 | myop.op_flags = OPf_WANT_VOID; |
815 | |
852 | |
816 | PUSHMARK (SP); |
853 | PUSHMARK (SP); |
817 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
854 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
… | |
… | |
821 | SPAGAIN; |
858 | SPAGAIN; |
822 | } |
859 | } |
823 | |
860 | |
824 | /* this newly created coroutine might be run on an existing cctx which most |
861 | /* this newly created coroutine might be run on an existing cctx which most |
825 | * likely was suspended in set_stacklevel, called from entersub. |
862 | * likely was suspended in set_stacklevel, called from entersub. |
826 | * set_stacklevl doesn't do anything on return, but entersub does LEAVE, |
863 | * set_stacklevel doesn't do anything on return, but entersub does LEAVE, |
827 | * so we ENTER here for symmetry |
864 | * so we ENTER here for symmetry. |
828 | */ |
865 | */ |
829 | ENTER; |
866 | SSL_HEAD; |
830 | } |
867 | } |
831 | |
868 | |
832 | static void |
869 | static void |
833 | coro_destroy (pTHX_ struct coro *coro) |
870 | coro_destruct (pTHX_ struct coro *coro) |
834 | { |
871 | { |
835 | if (!IN_DESTRUCT) |
872 | if (!IN_DESTRUCT) |
836 | { |
873 | { |
837 | /* restore all saved variables and stuff */ |
874 | /* restore all saved variables and stuff */ |
838 | LEAVE_SCOPE (0); |
875 | LEAVE_SCOPE (0); |
… | |
… | |
860 | SvREFCNT_dec (PL_warnhook); |
897 | SvREFCNT_dec (PL_warnhook); |
861 | |
898 | |
862 | SvREFCNT_dec (coro->saved_deffh); |
899 | SvREFCNT_dec (coro->saved_deffh); |
863 | SvREFCNT_dec (coro->throw); |
900 | SvREFCNT_dec (coro->throw); |
864 | |
901 | |
865 | coro_destroy_stacks (aTHX); |
902 | coro_destruct_stacks (aTHX); |
866 | } |
903 | } |
867 | |
904 | |
868 | static void |
905 | INLINE void |
869 | free_coro_mortal (pTHX) |
906 | free_coro_mortal (pTHX) |
870 | { |
907 | { |
871 | if (expect_true (coro_mortal)) |
908 | if (expect_true (coro_mortal)) |
872 | { |
909 | { |
873 | SvREFCNT_dec (coro_mortal); |
910 | SvREFCNT_dec (coro_mortal); |
… | |
… | |
907 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
944 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
908 | : bot; |
945 | : bot; |
909 | |
946 | |
910 | av_extend (av, top - bot); |
947 | av_extend (av, top - bot); |
911 | while (bot < top) |
948 | while (bot < top) |
912 | av_push (av, SvREFCNT_inc (*bot++)); |
949 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
913 | |
950 | |
914 | PL_runops = RUNOPS_DEFAULT; |
951 | PL_runops = RUNOPS_DEFAULT; |
915 | ENTER; |
952 | ENTER; |
916 | SAVETMPS; |
953 | SAVETMPS; |
917 | EXTEND (SP, 3); |
954 | EXTEND (SP, 3); |
… | |
… | |
997 | |
1034 | |
998 | TAINT_NOT; |
1035 | TAINT_NOT; |
999 | return 0; |
1036 | return 0; |
1000 | } |
1037 | } |
1001 | |
1038 | |
|
|
1039 | static void |
|
|
1040 | prepare_set_stacklevel (struct transfer_args *ta, struct coro_cctx *cctx) |
|
|
1041 | { |
|
|
1042 | ta->prev = (struct coro *)cctx; |
|
|
1043 | ta->next = 0; |
|
|
1044 | } |
|
|
1045 | |
1002 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
1046 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
1003 | /* _cctx_init should be careful, as it could be called at almost any time */ |
1047 | /* _cctx_init should be careful, as it could be called at almost any time */ |
1004 | /* during execution of a perl program */ |
1048 | /* during execution of a perl program */ |
|
|
1049 | /* also initialises PL_top_env */ |
1005 | static void NOINLINE |
1050 | static void NOINLINE |
1006 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1051 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1007 | { |
1052 | { |
1008 | dSP; |
1053 | dSP; |
1009 | LOGOP myop; |
1054 | UNOP myop; |
1010 | |
1055 | |
1011 | PL_top_env = &PL_start_env; |
1056 | PL_top_env = &PL_start_env; |
1012 | |
1057 | |
1013 | if (cctx->flags & CC_TRACE) |
1058 | if (cctx->flags & CC_TRACE) |
1014 | PL_runops = runops_trace; |
1059 | PL_runops = runops_trace; |
1015 | |
1060 | |
1016 | Zero (&myop, 1, LOGOP); |
1061 | Zero (&myop, 1, UNOP); |
1017 | myop.op_next = PL_op; |
1062 | myop.op_next = PL_op; |
1018 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
1063 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
1019 | |
1064 | |
1020 | PUSHMARK (SP); |
1065 | PUSHMARK (SP); |
1021 | EXTEND (SP, 2); |
1066 | EXTEND (SP, 2); |
1022 | PUSHs (sv_2mortal (newSViv (PTR2IV (cctx)))); |
1067 | PUSHs (sv_2mortal (newSViv ((IV)cctx))); |
1023 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
1068 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
1024 | PUTBACK; |
1069 | PUTBACK; |
1025 | PL_op = (OP *)&myop; |
1070 | PL_op = (OP *)&myop; |
1026 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1071 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1027 | SPAGAIN; |
1072 | SPAGAIN; |
1028 | } |
1073 | } |
1029 | |
1074 | |
|
|
1075 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
|
|
1076 | INLINE void |
|
|
1077 | transfer_tail (pTHX) |
|
|
1078 | { |
|
|
1079 | struct coro *next = (struct coro *)transfer_next; |
|
|
1080 | assert (!(transfer_next = 0)); /* just used for the side effect when asserts are enabled */ |
|
|
1081 | assert (("FATAL: next coroutine was zero in transfer_tail (please report)", next)); |
|
|
1082 | |
|
|
1083 | free_coro_mortal (aTHX); |
|
|
1084 | UNLOCK; |
|
|
1085 | |
|
|
1086 | if (expect_false (next->throw)) |
|
|
1087 | { |
|
|
1088 | SV *exception = sv_2mortal (next->throw); |
|
|
1089 | |
|
|
1090 | next->throw = 0; |
|
|
1091 | sv_setsv (ERRSV, exception); |
|
|
1092 | croak (0); |
|
|
1093 | } |
|
|
1094 | } |
|
|
1095 | |
1030 | /* |
1096 | /* |
1031 | * this is a _very_ stripped down perl interpreter ;) |
1097 | * this is a _very_ stripped down perl interpreter ;) |
1032 | */ |
1098 | */ |
1033 | static void |
1099 | static void |
1034 | cctx_run (void *arg) |
1100 | cctx_run (void *arg) |
1035 | { |
1101 | { |
|
|
1102 | #ifdef USE_ITHREADS |
|
|
1103 | # if CORO_PTHREAD |
|
|
1104 | PERL_SET_CONTEXT (coro_thx); |
|
|
1105 | # endif |
|
|
1106 | #endif |
|
|
1107 | { |
1036 | dTHX; |
1108 | dTHX; |
1037 | |
1109 | |
1038 | /* cctx_run is the alternative tail of transfer(), so unlock here. */ |
1110 | /* entersub called ENTER, but we never 'returned', undo that here */ |
1039 | UNLOCK; |
1111 | SSL_TAIL; |
1040 | |
1112 | |
1041 | /* we now skip the entersub that lead to transfer() */ |
1113 | /* we now skip the op that did lead to transfer() */ |
1042 | PL_op = PL_op->op_next; |
1114 | PL_op = PL_op->op_next; |
1043 | |
1115 | |
1044 | /* inject a fake subroutine call to cctx_init */ |
1116 | /* inject a fake subroutine call to cctx_init */ |
1045 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1117 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1046 | |
1118 | |
|
|
1119 | /* cctx_run is the alternative tail of transfer() */ |
|
|
1120 | transfer_tail (aTHX); |
|
|
1121 | |
1047 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1122 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1048 | PL_restartop = PL_op; |
1123 | PL_restartop = PL_op; |
1049 | perl_run (PL_curinterp); |
1124 | perl_run (PL_curinterp); |
1050 | |
1125 | |
1051 | /* |
1126 | /* |
1052 | * If perl-run returns we assume exit() was being called or the coro |
1127 | * If perl-run returns we assume exit() was being called or the coro |
1053 | * fell off the end, which seems to be the only valid (non-bug) |
1128 | * fell off the end, which seems to be the only valid (non-bug) |
1054 | * reason for perl_run to return. We try to exit by jumping to the |
1129 | * reason for perl_run to return. We try to exit by jumping to the |
1055 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1130 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1056 | * coroutine as Coro has no such concept |
1131 | * coroutine as Coro has no such concept |
1057 | */ |
1132 | */ |
1058 | PL_top_env = main_top_env; |
1133 | PL_top_env = main_top_env; |
1059 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1134 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1135 | } |
1060 | } |
1136 | } |
1061 | |
1137 | |
1062 | static coro_cctx * |
1138 | static coro_cctx * |
1063 | cctx_new () |
1139 | cctx_new () |
1064 | { |
1140 | { |
1065 | coro_cctx *cctx; |
1141 | coro_cctx *cctx; |
|
|
1142 | |
|
|
1143 | ++cctx_count; |
|
|
1144 | New (0, cctx, 1, coro_cctx); |
|
|
1145 | |
|
|
1146 | cctx->gen = cctx_gen; |
|
|
1147 | cctx->flags = 0; |
|
|
1148 | cctx->idle_sp = 0; /* can be accessed by transfer between cctx_run and set_stacklevel, on throw */ |
|
|
1149 | |
|
|
1150 | return cctx; |
|
|
1151 | } |
|
|
1152 | |
|
|
1153 | /* create a new cctx only suitable as source */ |
|
|
1154 | static coro_cctx * |
|
|
1155 | cctx_new_empty () |
|
|
1156 | { |
|
|
1157 | coro_cctx *cctx = cctx_new (); |
|
|
1158 | |
|
|
1159 | cctx->sptr = 0; |
|
|
1160 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
|
|
1161 | |
|
|
1162 | return cctx; |
|
|
1163 | } |
|
|
1164 | |
|
|
1165 | /* create a new cctx suitable as destination/running a perl interpreter */ |
|
|
1166 | static coro_cctx * |
|
|
1167 | cctx_new_run () |
|
|
1168 | { |
|
|
1169 | coro_cctx *cctx = cctx_new (); |
1066 | void *stack_start; |
1170 | void *stack_start; |
1067 | size_t stack_size; |
1171 | size_t stack_size; |
1068 | |
1172 | |
1069 | ++cctx_count; |
|
|
1070 | |
|
|
1071 | Newz (0, cctx, 1, coro_cctx); |
|
|
1072 | |
|
|
1073 | #if HAVE_MMAP |
1173 | #if HAVE_MMAP |
1074 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1174 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1075 | /* mmap supposedly does allocate-on-write for us */ |
1175 | /* mmap supposedly does allocate-on-write for us */ |
1076 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1176 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1077 | |
1177 | |
1078 | if (cctx->sptr != (void *)-1) |
1178 | if (cctx->sptr != (void *)-1) |
1079 | { |
1179 | { |
1080 | # if CORO_STACKGUARD |
1180 | #if CORO_STACKGUARD |
1081 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1181 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1082 | # endif |
1182 | #endif |
1083 | stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
1183 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
1084 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
1184 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
1085 | cctx->flags |= CC_MAPPED; |
1185 | cctx->flags |= CC_MAPPED; |
1086 | } |
1186 | } |
1087 | else |
1187 | else |
1088 | #endif |
1188 | #endif |
1089 | { |
1189 | { |
1090 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
1190 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
1091 | New (0, cctx->sptr, coro_stacksize, long); |
1191 | New (0, cctx->sptr, cctx_stacksize, long); |
1092 | |
1192 | |
1093 | if (!cctx->sptr) |
1193 | if (!cctx->sptr) |
1094 | { |
1194 | { |
1095 | perror ("FATAL: unable to allocate stack for coroutine"); |
1195 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1096 | _exit (EXIT_FAILURE); |
1196 | _exit (EXIT_FAILURE); |
1097 | } |
1197 | } |
1098 | |
1198 | |
1099 | stack_start = cctx->sptr; |
1199 | stack_start = cctx->sptr; |
1100 | stack_size = cctx->ssize; |
1200 | stack_size = cctx->ssize; |
1101 | } |
1201 | } |
1102 | |
1202 | |
1103 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
1203 | #if CORO_USE_VALGRIND |
|
|
1204 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1205 | #endif |
|
|
1206 | |
1104 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1207 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1105 | |
1208 | |
1106 | return cctx; |
1209 | return cctx; |
1107 | } |
1210 | } |
1108 | |
1211 | |
… | |
… | |
1111 | { |
1214 | { |
1112 | if (!cctx) |
1215 | if (!cctx) |
1113 | return; |
1216 | return; |
1114 | |
1217 | |
1115 | --cctx_count; |
1218 | --cctx_count; |
|
|
1219 | coro_destroy (&cctx->cctx); |
1116 | |
1220 | |
|
|
1221 | /* coro_transfer creates new, empty cctx's */ |
|
|
1222 | if (cctx->sptr) |
|
|
1223 | { |
1117 | #if CORO_USE_VALGRIND |
1224 | #if CORO_USE_VALGRIND |
1118 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
1225 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
1119 | #endif |
1226 | #endif |
1120 | |
1227 | |
1121 | #if HAVE_MMAP |
1228 | #if HAVE_MMAP |
1122 | if (cctx->flags & CC_MAPPED) |
1229 | if (cctx->flags & CC_MAPPED) |
1123 | munmap (cctx->sptr, cctx->ssize); |
1230 | munmap (cctx->sptr, cctx->ssize); |
1124 | else |
1231 | else |
1125 | #endif |
1232 | #endif |
1126 | Safefree (cctx->sptr); |
1233 | Safefree (cctx->sptr); |
|
|
1234 | } |
1127 | |
1235 | |
1128 | Safefree (cctx); |
1236 | Safefree (cctx); |
1129 | } |
1237 | } |
1130 | |
1238 | |
1131 | /* wether this cctx should be destructed */ |
1239 | /* wether this cctx should be destructed */ |
1132 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
1240 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1133 | |
1241 | |
1134 | static coro_cctx * |
1242 | static coro_cctx * |
1135 | cctx_get (pTHX) |
1243 | cctx_get (pTHX) |
1136 | { |
1244 | { |
1137 | while (expect_true (cctx_first)) |
1245 | while (expect_true (cctx_first)) |
… | |
… | |
1144 | return cctx; |
1252 | return cctx; |
1145 | |
1253 | |
1146 | cctx_destroy (cctx); |
1254 | cctx_destroy (cctx); |
1147 | } |
1255 | } |
1148 | |
1256 | |
1149 | return cctx_new (); |
1257 | return cctx_new_run (); |
1150 | } |
1258 | } |
1151 | |
1259 | |
1152 | static void |
1260 | static void |
1153 | cctx_put (coro_cctx *cctx) |
1261 | cctx_put (coro_cctx *cctx) |
1154 | { |
1262 | { |
|
|
1263 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
|
|
1264 | |
1155 | /* free another cctx if overlimit */ |
1265 | /* free another cctx if overlimit */ |
1156 | if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) |
1266 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1157 | { |
1267 | { |
1158 | coro_cctx *first = cctx_first; |
1268 | coro_cctx *first = cctx_first; |
1159 | cctx_first = first->next; |
1269 | cctx_first = first->next; |
1160 | --cctx_idle; |
1270 | --cctx_idle; |
1161 | |
1271 | |
… | |
… | |
1193 | /* always use the TRANSFER macro */ |
1303 | /* always use the TRANSFER macro */ |
1194 | static void NOINLINE |
1304 | static void NOINLINE |
1195 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1305 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1196 | { |
1306 | { |
1197 | dSTACKLEVEL; |
1307 | dSTACKLEVEL; |
1198 | static volatile int has_throw; |
|
|
1199 | |
1308 | |
1200 | /* sometimes transfer is only called to set idle_sp */ |
1309 | /* sometimes transfer is only called to set idle_sp */ |
1201 | if (expect_false (!next)) |
1310 | if (expect_false (!next)) |
1202 | { |
1311 | { |
1203 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1312 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
… | |
… | |
1207 | { |
1316 | { |
1208 | coro_cctx *prev__cctx; |
1317 | coro_cctx *prev__cctx; |
1209 | |
1318 | |
1210 | if (expect_false (prev->flags & CF_NEW)) |
1319 | if (expect_false (prev->flags & CF_NEW)) |
1211 | { |
1320 | { |
1212 | /* create a new empty context */ |
1321 | /* create a new empty/source context */ |
1213 | Newz (0, prev->cctx, 1, coro_cctx); |
1322 | prev->cctx = cctx_new_empty (); |
1214 | prev->flags &= ~CF_NEW; |
1323 | prev->flags &= ~CF_NEW; |
1215 | prev->flags |= CF_RUNNING; |
1324 | prev->flags |= CF_RUNNING; |
1216 | } |
1325 | } |
1217 | |
1326 | |
1218 | prev->flags &= ~CF_RUNNING; |
1327 | prev->flags &= ~CF_RUNNING; |
… | |
… | |
1233 | else |
1342 | else |
1234 | load_perl (aTHX_ next); |
1343 | load_perl (aTHX_ next); |
1235 | |
1344 | |
1236 | prev__cctx = prev->cctx; |
1345 | prev__cctx = prev->cctx; |
1237 | |
1346 | |
1238 | /* possibly "free" the cctx */ |
1347 | /* possibly untie and reuse the cctx */ |
1239 | if (expect_true ( |
1348 | if (expect_true ( |
1240 | prev__cctx->idle_sp == STACKLEVEL |
1349 | prev__cctx->idle_sp == STACKLEVEL |
1241 | && !(prev__cctx->flags & CC_TRACE) |
1350 | && !(prev__cctx->flags & CC_TRACE) |
1242 | && !force_cctx |
1351 | && !force_cctx |
1243 | )) |
1352 | )) |
1244 | { |
1353 | { |
1245 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1354 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1246 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1355 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1247 | |
1356 | |
1248 | prev->cctx = 0; |
1357 | prev->cctx = 0; |
1249 | |
1358 | |
1250 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1359 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1251 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1360 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
… | |
… | |
1259 | ++next->usecount; |
1368 | ++next->usecount; |
1260 | |
1369 | |
1261 | if (expect_true (!next->cctx)) |
1370 | if (expect_true (!next->cctx)) |
1262 | next->cctx = cctx_get (aTHX); |
1371 | next->cctx = cctx_get (aTHX); |
1263 | |
1372 | |
1264 | has_throw = !!next->throw; |
1373 | assert (("FATAL: transfer_next already nonzero in Coro (please report)", !transfer_next)); |
|
|
1374 | transfer_next = next; |
1265 | |
1375 | |
1266 | if (expect_false (prev__cctx != next->cctx)) |
1376 | if (expect_false (prev__cctx != next->cctx)) |
1267 | { |
1377 | { |
1268 | prev__cctx->top_env = PL_top_env; |
1378 | prev__cctx->top_env = PL_top_env; |
1269 | PL_top_env = next->cctx->top_env; |
1379 | PL_top_env = next->cctx->top_env; |
1270 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1380 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1271 | } |
1381 | } |
1272 | |
1382 | |
1273 | free_coro_mortal (aTHX); |
1383 | transfer_tail (aTHX); |
1274 | UNLOCK; |
|
|
1275 | |
|
|
1276 | if (expect_false (has_throw)) |
|
|
1277 | { |
|
|
1278 | struct coro *coro = SvSTATE (coro_current); |
|
|
1279 | |
|
|
1280 | if (coro->throw) |
|
|
1281 | { |
|
|
1282 | SV *exception = coro->throw; |
|
|
1283 | coro->throw = 0; |
|
|
1284 | sv_setsv (ERRSV, exception); |
|
|
1285 | croak (0); |
|
|
1286 | } |
|
|
1287 | } |
|
|
1288 | } |
1384 | } |
1289 | } |
1385 | } |
1290 | |
|
|
1291 | struct transfer_args |
|
|
1292 | { |
|
|
1293 | struct coro *prev, *next; |
|
|
1294 | }; |
|
|
1295 | |
1386 | |
1296 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1387 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1297 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1388 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1298 | |
1389 | |
1299 | /** high level stuff ********************************************************/ |
1390 | /** high level stuff ********************************************************/ |
… | |
… | |
1325 | croak ("FATAL: tried to destroy currently running coroutine"); |
1416 | croak ("FATAL: tried to destroy currently running coroutine"); |
1326 | |
1417 | |
1327 | save_perl (aTHX_ &temp); |
1418 | save_perl (aTHX_ &temp); |
1328 | load_perl (aTHX_ coro); |
1419 | load_perl (aTHX_ coro); |
1329 | |
1420 | |
1330 | coro_destroy (aTHX_ coro); |
1421 | coro_destruct (aTHX_ coro); |
1331 | |
1422 | |
1332 | load_perl (aTHX_ &temp); |
1423 | load_perl (aTHX_ &temp); |
1333 | |
1424 | |
1334 | coro->slot = 0; |
1425 | coro->slot = 0; |
1335 | } |
1426 | } |
… | |
… | |
1441 | LOCK; |
1532 | LOCK; |
1442 | |
1533 | |
1443 | sv_hook = coro_nready ? 0 : coro_readyhook; |
1534 | sv_hook = coro_nready ? 0 : coro_readyhook; |
1444 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
1535 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
1445 | |
1536 | |
1446 | coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); |
1537 | coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv)); |
1447 | ++coro_nready; |
1538 | ++coro_nready; |
1448 | |
1539 | |
1449 | UNLOCK; |
1540 | UNLOCK; |
1450 | |
1541 | |
1451 | if (sv_hook) |
1542 | if (sv_hook) |
… | |
… | |
1472 | |
1563 | |
1473 | static int |
1564 | static int |
1474 | api_is_ready (SV *coro_sv) |
1565 | api_is_ready (SV *coro_sv) |
1475 | { |
1566 | { |
1476 | dTHX; |
1567 | dTHX; |
|
|
1568 | |
1477 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1569 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1478 | } |
1570 | } |
1479 | |
1571 | |
1480 | static void |
1572 | INLINE void |
1481 | prepare_schedule (pTHX_ struct transfer_args *ta) |
1573 | prepare_schedule (pTHX_ struct transfer_args *ta) |
1482 | { |
1574 | { |
1483 | SV *prev_sv, *next_sv; |
1575 | SV *prev_sv, *next_sv; |
1484 | |
1576 | |
1485 | for (;;) |
1577 | for (;;) |
… | |
… | |
1511 | /* cannot transfer to destroyed coros, skip and look for next */ |
1603 | /* cannot transfer to destroyed coros, skip and look for next */ |
1512 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1604 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1513 | { |
1605 | { |
1514 | UNLOCK; |
1606 | UNLOCK; |
1515 | SvREFCNT_dec (next_sv); |
1607 | SvREFCNT_dec (next_sv); |
1516 | /* coro_nready is already taken care of by destroy */ |
1608 | /* coro_nready has already been taken care of by destroy */ |
1517 | continue; |
1609 | continue; |
1518 | } |
1610 | } |
1519 | |
1611 | |
1520 | --coro_nready; |
1612 | --coro_nready; |
1521 | UNLOCK; |
1613 | UNLOCK; |
… | |
… | |
1524 | |
1616 | |
1525 | /* free this only after the transfer */ |
1617 | /* free this only after the transfer */ |
1526 | prev_sv = SvRV (coro_current); |
1618 | prev_sv = SvRV (coro_current); |
1527 | ta->prev = SvSTATE (prev_sv); |
1619 | ta->prev = SvSTATE (prev_sv); |
1528 | TRANSFER_CHECK (*ta); |
1620 | TRANSFER_CHECK (*ta); |
1529 | assert (ta->next->flags & CF_READY); |
1621 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
1530 | ta->next->flags &= ~CF_READY; |
1622 | ta->next->flags &= ~CF_READY; |
1531 | SvRV_set (coro_current, next_sv); |
1623 | SvRV_set (coro_current, next_sv); |
1532 | |
1624 | |
1533 | LOCK; |
1625 | LOCK; |
1534 | free_coro_mortal (aTHX); |
1626 | free_coro_mortal (aTHX); |
1535 | coro_mortal = prev_sv; |
1627 | coro_mortal = prev_sv; |
1536 | UNLOCK; |
1628 | UNLOCK; |
1537 | } |
1629 | } |
1538 | |
1630 | |
1539 | static void |
1631 | INLINE void |
1540 | prepare_cede (pTHX_ struct transfer_args *ta) |
1632 | prepare_cede (pTHX_ struct transfer_args *ta) |
1541 | { |
1633 | { |
1542 | api_ready (coro_current); |
1634 | api_ready (coro_current); |
1543 | prepare_schedule (aTHX_ ta); |
1635 | prepare_schedule (aTHX_ ta); |
1544 | } |
1636 | } |
… | |
… | |
1606 | struct coro *coro = SvSTATE (coro_sv); |
1698 | struct coro *coro = SvSTATE (coro_sv); |
1607 | |
1699 | |
1608 | if (flags & CC_TRACE) |
1700 | if (flags & CC_TRACE) |
1609 | { |
1701 | { |
1610 | if (!coro->cctx) |
1702 | if (!coro->cctx) |
1611 | coro->cctx = cctx_new (); |
1703 | coro->cctx = cctx_new_run (); |
1612 | else if (!(coro->cctx->flags & CC_TRACE)) |
1704 | else if (!(coro->cctx->flags & CC_TRACE)) |
1613 | croak ("cannot enable tracing on coroutine with custom stack"); |
1705 | croak ("cannot enable tracing on coroutine with custom stack"); |
1614 | |
1706 | |
1615 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1707 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1616 | } |
1708 | } |
… | |
… | |
1623 | else |
1715 | else |
1624 | coro->slot->runops = RUNOPS_DEFAULT; |
1716 | coro->slot->runops = RUNOPS_DEFAULT; |
1625 | } |
1717 | } |
1626 | } |
1718 | } |
1627 | |
1719 | |
|
|
1720 | #if 0 |
|
|
1721 | static int |
|
|
1722 | coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
1723 | { |
|
|
1724 | AV *padlist; |
|
|
1725 | AV *av = (AV *)mg->mg_obj; |
|
|
1726 | |
|
|
1727 | abort (); |
|
|
1728 | |
|
|
1729 | return 0; |
|
|
1730 | } |
|
|
1731 | |
|
|
1732 | static MGVTBL coro_gensub_vtbl = { |
|
|
1733 | 0, 0, 0, 0, |
|
|
1734 | coro_gensub_free |
|
|
1735 | }; |
|
|
1736 | #endif |
|
|
1737 | |
|
|
1738 | /*****************************************************************************/ |
|
|
1739 | /* PerlIO::cede */ |
|
|
1740 | |
|
|
1741 | typedef struct |
|
|
1742 | { |
|
|
1743 | PerlIOBuf base; |
|
|
1744 | NV next, every; |
|
|
1745 | } PerlIOCede; |
|
|
1746 | |
|
|
1747 | static IV |
|
|
1748 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
|
|
1749 | { |
|
|
1750 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1751 | |
|
|
1752 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
|
|
1753 | self->next = nvtime () + self->every; |
|
|
1754 | |
|
|
1755 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
|
|
1756 | } |
|
|
1757 | |
|
|
1758 | static SV * |
|
|
1759 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
|
|
1760 | { |
|
|
1761 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1762 | |
|
|
1763 | return newSVnv (self->every); |
|
|
1764 | } |
|
|
1765 | |
|
|
1766 | static IV |
|
|
1767 | PerlIOCede_flush (pTHX_ PerlIO *f) |
|
|
1768 | { |
|
|
1769 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1770 | double now = nvtime (); |
|
|
1771 | |
|
|
1772 | if (now >= self->next) |
|
|
1773 | { |
|
|
1774 | api_cede (); |
|
|
1775 | self->next = now + self->every; |
|
|
1776 | } |
|
|
1777 | |
|
|
1778 | return PerlIOBuf_flush (aTHX_ f); |
|
|
1779 | } |
|
|
1780 | |
|
|
1781 | static PerlIO_funcs PerlIO_cede = |
|
|
1782 | { |
|
|
1783 | sizeof(PerlIO_funcs), |
|
|
1784 | "cede", |
|
|
1785 | sizeof(PerlIOCede), |
|
|
1786 | PERLIO_K_DESTRUCT | PERLIO_K_RAW, |
|
|
1787 | PerlIOCede_pushed, |
|
|
1788 | PerlIOBuf_popped, |
|
|
1789 | PerlIOBuf_open, |
|
|
1790 | PerlIOBase_binmode, |
|
|
1791 | PerlIOCede_getarg, |
|
|
1792 | PerlIOBase_fileno, |
|
|
1793 | PerlIOBuf_dup, |
|
|
1794 | PerlIOBuf_read, |
|
|
1795 | PerlIOBuf_unread, |
|
|
1796 | PerlIOBuf_write, |
|
|
1797 | PerlIOBuf_seek, |
|
|
1798 | PerlIOBuf_tell, |
|
|
1799 | PerlIOBuf_close, |
|
|
1800 | PerlIOCede_flush, |
|
|
1801 | PerlIOBuf_fill, |
|
|
1802 | PerlIOBase_eof, |
|
|
1803 | PerlIOBase_error, |
|
|
1804 | PerlIOBase_clearerr, |
|
|
1805 | PerlIOBase_setlinebuf, |
|
|
1806 | PerlIOBuf_get_base, |
|
|
1807 | PerlIOBuf_bufsiz, |
|
|
1808 | PerlIOBuf_get_ptr, |
|
|
1809 | PerlIOBuf_get_cnt, |
|
|
1810 | PerlIOBuf_set_ptrcnt, |
|
|
1811 | }; |
|
|
1812 | |
|
|
1813 | /*****************************************************************************/ |
|
|
1814 | |
|
|
1815 | static const CV *ssl_cv; /* for quick consistency check */ |
|
|
1816 | |
|
|
1817 | static UNOP ssl_restore; /* restore stack as entersub did, for first-re-run */ |
|
|
1818 | static SV *ssl_arg0; |
|
|
1819 | static SV *ssl_arg1; |
|
|
1820 | |
|
|
1821 | /* this restores the stack in the case we patched the entersub, to */ |
|
|
1822 | /* recreate the stack frame as perl will on following calls */ |
|
|
1823 | /* since entersub cleared the stack */ |
|
|
1824 | static OP * |
|
|
1825 | pp_restore (pTHX) |
|
|
1826 | { |
|
|
1827 | dSP; |
|
|
1828 | |
|
|
1829 | PUSHMARK (SP); |
|
|
1830 | |
|
|
1831 | EXTEND (SP, 3); |
|
|
1832 | if (ssl_arg0) PUSHs (sv_2mortal (ssl_arg0)), ssl_arg0 = 0; |
|
|
1833 | if (ssl_arg1) PUSHs (sv_2mortal (ssl_arg1)), ssl_arg1 = 0; |
|
|
1834 | PUSHs ((SV *)CvGV (ssl_cv)); |
|
|
1835 | |
|
|
1836 | RETURNOP (ssl_restore.op_first); |
|
|
1837 | } |
|
|
1838 | |
|
|
1839 | /* declare prototype */ |
|
|
1840 | XS(XS_Coro__State__set_stacklevel); |
|
|
1841 | |
|
|
1842 | static OP * |
|
|
1843 | pp_set_stacklevel (pTHX) |
|
|
1844 | { |
|
|
1845 | dSP; |
|
|
1846 | struct transfer_args ta; |
|
|
1847 | SV **arg = PL_stack_base + TOPMARK + 1; |
|
|
1848 | int items = SP - arg; /* args without function object */ |
|
|
1849 | |
|
|
1850 | /* do a quick consistency check on the "function" object, and if it isn't */ |
|
|
1851 | /* for us, divert to the real entersub */ |
|
|
1852 | if (SvTYPE (*sp) != SVt_PVGV || CvXSUB (GvCV (*sp)) != XS_Coro__State__set_stacklevel) |
|
|
1853 | return PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
1854 | |
|
|
1855 | /* pop args */ |
|
|
1856 | SP = PL_stack_base + POPMARK; |
|
|
1857 | |
|
|
1858 | if (!(PL_op->op_flags & OPf_STACKED)) |
|
|
1859 | { |
|
|
1860 | /* ampersand-form of call, use @_ instead of stack */ |
|
|
1861 | AV *av = GvAV (PL_defgv); |
|
|
1862 | arg = AvARRAY (av); |
|
|
1863 | items = AvFILLp (av) + 1; |
|
|
1864 | } |
|
|
1865 | |
|
|
1866 | PUTBACK; |
|
|
1867 | switch (PL_op->op_private & 7) |
|
|
1868 | { |
|
|
1869 | case 0: |
|
|
1870 | prepare_set_stacklevel (&ta, (struct coro_cctx *)SvIV (arg [0])); |
|
|
1871 | break; |
|
|
1872 | |
|
|
1873 | case 1: |
|
|
1874 | if (items != 2) |
|
|
1875 | croak ("Coro::State::transfer (prev, next) expects two arguments, not %d.", items); |
|
|
1876 | |
|
|
1877 | prepare_transfer (aTHX_ &ta, arg [0], arg [1]); |
|
|
1878 | break; |
|
|
1879 | |
|
|
1880 | case 2: |
|
|
1881 | prepare_schedule (aTHX_ &ta); |
|
|
1882 | break; |
|
|
1883 | |
|
|
1884 | case 3: |
|
|
1885 | prepare_cede (aTHX_ &ta); |
|
|
1886 | break; |
|
|
1887 | |
|
|
1888 | case 4: |
|
|
1889 | if (!prepare_cede_notself (aTHX_ &ta)) |
|
|
1890 | RETURN; |
|
|
1891 | |
|
|
1892 | break; |
|
|
1893 | } |
|
|
1894 | |
|
|
1895 | TRANSFER (ta, 0); |
|
|
1896 | SPAGAIN; |
|
|
1897 | |
|
|
1898 | skip: |
|
|
1899 | |
|
|
1900 | RETURN; |
|
|
1901 | } |
|
|
1902 | |
1628 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1903 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1629 | |
1904 | |
1630 | PROTOTYPES: DISABLE |
1905 | PROTOTYPES: DISABLE |
1631 | |
|
|
1632 | BOOT: |
|
|
1633 | { |
|
|
1634 | #ifdef USE_ITHREADS |
|
|
1635 | MUTEX_INIT (&coro_mutex); |
|
|
1636 | #endif |
|
|
1637 | BOOT_PAGESIZE; |
|
|
1638 | |
|
|
1639 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
|
|
1640 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
|
|
1641 | |
|
|
1642 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
|
|
1643 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
|
|
1644 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
|
|
1645 | |
|
|
1646 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
1647 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
|
|
1648 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
|
|
1649 | |
|
|
1650 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
|
|
1651 | |
|
|
1652 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
|
|
1653 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
|
|
1654 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
|
|
1655 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
|
|
1656 | |
|
|
1657 | main_mainstack = PL_mainstack; |
|
|
1658 | main_top_env = PL_top_env; |
|
|
1659 | |
|
|
1660 | while (main_top_env->je_prev) |
|
|
1661 | main_top_env = main_top_env->je_prev; |
|
|
1662 | |
|
|
1663 | coroapi.ver = CORO_API_VERSION; |
|
|
1664 | coroapi.rev = CORO_API_REVISION; |
|
|
1665 | coroapi.transfer = api_transfer; |
|
|
1666 | |
|
|
1667 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
|
|
1668 | } |
|
|
1669 | |
|
|
1670 | SV * |
|
|
1671 | new (char *klass, ...) |
|
|
1672 | CODE: |
|
|
1673 | { |
|
|
1674 | struct coro *coro; |
|
|
1675 | MAGIC *mg; |
|
|
1676 | HV *hv; |
|
|
1677 | int i; |
|
|
1678 | |
|
|
1679 | Newz (0, coro, 1, struct coro); |
|
|
1680 | coro->args = newAV (); |
|
|
1681 | coro->flags = CF_NEW; |
|
|
1682 | |
|
|
1683 | if (coro_first) coro_first->prev = coro; |
|
|
1684 | coro->next = coro_first; |
|
|
1685 | coro_first = coro; |
|
|
1686 | |
|
|
1687 | coro->hv = hv = newHV (); |
|
|
1688 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
1689 | mg->mg_flags |= MGf_DUP; |
|
|
1690 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
1691 | |
|
|
1692 | av_extend (coro->args, items - 1); |
|
|
1693 | for (i = 1; i < items; i++) |
|
|
1694 | av_push (coro->args, newSVsv (ST (i))); |
|
|
1695 | } |
|
|
1696 | OUTPUT: |
|
|
1697 | RETVAL |
|
|
1698 | |
1906 | |
1699 | # these not obviously related functions are all rolled into the same xs |
1907 | # these not obviously related functions are all rolled into the same xs |
1700 | # function to increase chances that they all will call transfer with the same |
1908 | # function to increase chances that they all will call transfer with the same |
1701 | # stack offset |
1909 | # stack offset |
1702 | void |
1910 | void |
… | |
… | |
1706 | Coro::schedule = 2 |
1914 | Coro::schedule = 2 |
1707 | Coro::cede = 3 |
1915 | Coro::cede = 3 |
1708 | Coro::cede_notself = 4 |
1916 | Coro::cede_notself = 4 |
1709 | CODE: |
1917 | CODE: |
1710 | { |
1918 | { |
1711 | struct transfer_args ta; |
1919 | assert (("FATAL: ssl call recursion in Coro module (please report)", PL_op->op_ppaddr != pp_set_stacklevel)); |
1712 | |
1920 | |
1713 | PUTBACK; |
1921 | /* we patch the op, and then re-run the whole call */ |
1714 | switch (ix) |
1922 | /* we have to put some dummy argument on the stack for this to work */ |
|
|
1923 | /* TODO: walk back the opcode chain (but how?), nuke the pp_gv etc. */ |
|
|
1924 | ssl_restore.op_next = (OP *)&ssl_restore; |
|
|
1925 | ssl_restore.op_type = OP_NULL; |
|
|
1926 | ssl_restore.op_ppaddr = pp_restore; |
|
|
1927 | ssl_restore.op_first = PL_op; |
|
|
1928 | |
|
|
1929 | ssl_arg0 = items > 0 ? SvREFCNT_inc (ST (0)) : 0; |
|
|
1930 | ssl_arg1 = items > 1 ? SvREFCNT_inc (ST (1)) : 0; |
|
|
1931 | |
|
|
1932 | PL_op->op_ppaddr = pp_set_stacklevel; |
|
|
1933 | PL_op->op_private = PL_op->op_private & ~7 | ix; /* we potentially share our private flags with entersub */ |
|
|
1934 | |
|
|
1935 | PL_op = (OP *)&ssl_restore; |
|
|
1936 | } |
|
|
1937 | |
|
|
1938 | BOOT: |
|
|
1939 | { |
|
|
1940 | #ifdef USE_ITHREADS |
|
|
1941 | MUTEX_INIT (&coro_lock); |
|
|
1942 | # if CORO_PTHREAD |
|
|
1943 | coro_thx = PERL_GET_CONTEXT; |
|
|
1944 | # endif |
|
|
1945 | #endif |
|
|
1946 | BOOT_PAGESIZE; |
|
|
1947 | |
|
|
1948 | ssl_cv = get_cv ("Coro::State::_set_stacklevel", 0); |
|
|
1949 | |
|
|
1950 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
|
|
1951 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
|
|
1952 | |
|
|
1953 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
|
|
1954 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
|
|
1955 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
|
|
1956 | |
|
|
1957 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
1958 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
|
|
1959 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
|
|
1960 | |
|
|
1961 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
|
|
1962 | |
|
|
1963 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
|
|
1964 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
|
|
1965 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
|
|
1966 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
|
|
1967 | |
|
|
1968 | main_mainstack = PL_mainstack; |
|
|
1969 | main_top_env = PL_top_env; |
|
|
1970 | |
|
|
1971 | while (main_top_env->je_prev) |
|
|
1972 | main_top_env = main_top_env->je_prev; |
|
|
1973 | |
|
|
1974 | coroapi.ver = CORO_API_VERSION; |
|
|
1975 | coroapi.rev = CORO_API_REVISION; |
|
|
1976 | coroapi.transfer = api_transfer; |
|
|
1977 | |
1715 | { |
1978 | { |
1716 | case 0: |
1979 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
1717 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
|
|
1718 | ta.next = 0; |
|
|
1719 | break; |
|
|
1720 | |
1980 | |
1721 | case 1: |
1981 | if (!svp) croak ("Time::HiRes is required"); |
1722 | if (items != 2) |
1982 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
1723 | croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); |
|
|
1724 | |
1983 | |
1725 | prepare_transfer (aTHX_ &ta, ST (0), ST (1)); |
1984 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
1726 | break; |
|
|
1727 | |
|
|
1728 | case 2: |
|
|
1729 | prepare_schedule (aTHX_ &ta); |
|
|
1730 | break; |
|
|
1731 | |
|
|
1732 | case 3: |
|
|
1733 | prepare_cede (aTHX_ &ta); |
|
|
1734 | break; |
|
|
1735 | |
|
|
1736 | case 4: |
|
|
1737 | if (!prepare_cede_notself (aTHX_ &ta)) |
|
|
1738 | XSRETURN_EMPTY; |
|
|
1739 | |
|
|
1740 | break; |
|
|
1741 | } |
1985 | } |
1742 | SPAGAIN; |
|
|
1743 | |
1986 | |
1744 | BARRIER; |
1987 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1745 | PUTBACK; |
|
|
1746 | TRANSFER (ta, 0); |
|
|
1747 | SPAGAIN; /* might be the sp of a different coroutine now */ |
|
|
1748 | /* be extra careful not to ever do anything after TRANSFER */ |
|
|
1749 | } |
1988 | } |
|
|
1989 | |
|
|
1990 | SV * |
|
|
1991 | new (char *klass, ...) |
|
|
1992 | CODE: |
|
|
1993 | { |
|
|
1994 | struct coro *coro; |
|
|
1995 | MAGIC *mg; |
|
|
1996 | HV *hv; |
|
|
1997 | int i; |
|
|
1998 | |
|
|
1999 | Newz (0, coro, 1, struct coro); |
|
|
2000 | coro->args = newAV (); |
|
|
2001 | coro->flags = CF_NEW; |
|
|
2002 | |
|
|
2003 | if (coro_first) coro_first->prev = coro; |
|
|
2004 | coro->next = coro_first; |
|
|
2005 | coro_first = coro; |
|
|
2006 | |
|
|
2007 | coro->hv = hv = newHV (); |
|
|
2008 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2009 | mg->mg_flags |= MGf_DUP; |
|
|
2010 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
2011 | |
|
|
2012 | av_extend (coro->args, items - 1); |
|
|
2013 | for (i = 1; i < items; i++) |
|
|
2014 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2015 | } |
|
|
2016 | OUTPUT: |
|
|
2017 | RETVAL |
1750 | |
2018 | |
1751 | bool |
2019 | bool |
1752 | _destroy (SV *coro_sv) |
2020 | _destroy (SV *coro_sv) |
1753 | CODE: |
2021 | CODE: |
1754 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
2022 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
… | |
… | |
1762 | _exit (code); |
2030 | _exit (code); |
1763 | |
2031 | |
1764 | int |
2032 | int |
1765 | cctx_stacksize (int new_stacksize = 0) |
2033 | cctx_stacksize (int new_stacksize = 0) |
1766 | CODE: |
2034 | CODE: |
1767 | RETVAL = coro_stacksize; |
2035 | RETVAL = cctx_stacksize; |
1768 | if (new_stacksize) |
2036 | if (new_stacksize) |
|
|
2037 | { |
1769 | coro_stacksize = new_stacksize; |
2038 | cctx_stacksize = new_stacksize; |
|
|
2039 | ++cctx_gen; |
|
|
2040 | } |
|
|
2041 | OUTPUT: |
|
|
2042 | RETVAL |
|
|
2043 | |
|
|
2044 | int |
|
|
2045 | cctx_max_idle (int max_idle = 0) |
|
|
2046 | CODE: |
|
|
2047 | RETVAL = cctx_max_idle; |
|
|
2048 | if (max_idle > 1) |
|
|
2049 | cctx_max_idle = max_idle; |
1770 | OUTPUT: |
2050 | OUTPUT: |
1771 | RETVAL |
2051 | RETVAL |
1772 | |
2052 | |
1773 | int |
2053 | int |
1774 | cctx_count () |
2054 | cctx_count () |
… | |
… | |
1798 | call (Coro::State coro, SV *coderef) |
2078 | call (Coro::State coro, SV *coderef) |
1799 | ALIAS: |
2079 | ALIAS: |
1800 | eval = 1 |
2080 | eval = 1 |
1801 | CODE: |
2081 | CODE: |
1802 | { |
2082 | { |
1803 | if (coro->mainstack) |
2083 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
1804 | { |
2084 | { |
1805 | struct coro temp; |
2085 | struct coro temp; |
1806 | |
2086 | |
1807 | if (!(coro->flags & CF_RUNNING)) |
2087 | if (!(coro->flags & CF_RUNNING)) |
1808 | { |
2088 | { |
… | |
… | |
1852 | RETVAL = boolSV (coro->flags & ix); |
2132 | RETVAL = boolSV (coro->flags & ix); |
1853 | OUTPUT: |
2133 | OUTPUT: |
1854 | RETVAL |
2134 | RETVAL |
1855 | |
2135 | |
1856 | void |
2136 | void |
|
|
2137 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
2138 | PROTOTYPE: $;$ |
|
|
2139 | CODE: |
|
|
2140 | SvREFCNT_dec (self->throw); |
|
|
2141 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
2142 | |
|
|
2143 | void |
1857 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
2144 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
1858 | |
2145 | |
1859 | SV * |
2146 | SV * |
1860 | has_cctx (Coro::State coro) |
2147 | has_cctx (Coro::State coro) |
1861 | PROTOTYPE: $ |
2148 | PROTOTYPE: $ |
… | |
… | |
1870 | CODE: |
2157 | CODE: |
1871 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
2158 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
1872 | OUTPUT: |
2159 | OUTPUT: |
1873 | RETVAL |
2160 | RETVAL |
1874 | |
2161 | |
1875 | IV |
2162 | UV |
1876 | rss (Coro::State coro) |
2163 | rss (Coro::State coro) |
1877 | PROTOTYPE: $ |
2164 | PROTOTYPE: $ |
1878 | ALIAS: |
2165 | ALIAS: |
1879 | usecount = 1 |
2166 | usecount = 1 |
1880 | CODE: |
2167 | CODE: |
… | |
… | |
1891 | CODE: |
2178 | CODE: |
1892 | struct coro *coro = SvSTATE (coro_current); |
2179 | struct coro *coro = SvSTATE (coro_current); |
1893 | coro->cctx->idle_sp = 0; |
2180 | coro->cctx->idle_sp = 0; |
1894 | |
2181 | |
1895 | void |
2182 | void |
1896 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
1897 | PROTOTYPE: $;$ |
|
|
1898 | CODE: |
|
|
1899 | SvREFCNT_dec (self->throw); |
|
|
1900 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
1901 | |
|
|
1902 | void |
|
|
1903 | swap_defsv (Coro::State self) |
2183 | swap_defsv (Coro::State self) |
1904 | PROTOTYPE: $ |
2184 | PROTOTYPE: $ |
1905 | ALIAS: |
2185 | ALIAS: |
1906 | swap_defav = 1 |
2186 | swap_defav = 1 |
1907 | CODE: |
2187 | CODE: |
… | |
… | |
1939 | |
2219 | |
1940 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
2220 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1941 | coro_ready[i] = newAV (); |
2221 | coro_ready[i] = newAV (); |
1942 | |
2222 | |
1943 | { |
2223 | { |
1944 | SV *sv = perl_get_sv ("Coro::API", TRUE); |
2224 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
1945 | perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */ |
|
|
1946 | |
2225 | |
1947 | coroapi.schedule = api_schedule; |
2226 | coroapi.schedule = api_schedule; |
1948 | coroapi.cede = api_cede; |
2227 | coroapi.cede = api_cede; |
1949 | coroapi.cede_notself = api_cede_notself; |
2228 | coroapi.cede_notself = api_cede_notself; |
1950 | coroapi.ready = api_ready; |
2229 | coroapi.ready = api_ready; |
… | |
… | |
1961 | void |
2240 | void |
1962 | _set_current (SV *current) |
2241 | _set_current (SV *current) |
1963 | PROTOTYPE: $ |
2242 | PROTOTYPE: $ |
1964 | CODE: |
2243 | CODE: |
1965 | SvREFCNT_dec (SvRV (coro_current)); |
2244 | SvREFCNT_dec (SvRV (coro_current)); |
1966 | SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); |
2245 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
1967 | |
2246 | |
1968 | void |
2247 | void |
1969 | _set_readyhook (SV *hook) |
2248 | _set_readyhook (SV *hook) |
1970 | PROTOTYPE: $ |
2249 | PROTOTYPE: $ |
1971 | CODE: |
2250 | CODE: |
… | |
… | |
2031 | SvREFCNT_dec (old); |
2310 | SvREFCNT_dec (old); |
2032 | croak ("\3async_pool terminate\2\n"); |
2311 | croak ("\3async_pool terminate\2\n"); |
2033 | } |
2312 | } |
2034 | |
2313 | |
2035 | SvREFCNT_dec (coro->saved_deffh); |
2314 | SvREFCNT_dec (coro->saved_deffh); |
2036 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
2315 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
2037 | |
2316 | |
2038 | hv_store (hv, "desc", sizeof ("desc") - 1, |
2317 | hv_store (hv, "desc", sizeof ("desc") - 1, |
2039 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
2318 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
2040 | |
2319 | |
2041 | invoke_av = (AV *)SvRV (invoke); |
2320 | invoke_av = (AV *)SvRV (invoke); |
… | |
… | |
2045 | |
2324 | |
2046 | if (len > 0) |
2325 | if (len > 0) |
2047 | { |
2326 | { |
2048 | av_fill (defav, len - 1); |
2327 | av_fill (defav, len - 1); |
2049 | for (i = 0; i < len; ++i) |
2328 | for (i = 0; i < len; ++i) |
2050 | av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); |
2329 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
2051 | } |
2330 | } |
2052 | |
2331 | |
2053 | SvREFCNT_dec (invoke); |
2332 | SvREFCNT_dec (invoke); |
2054 | } |
2333 | } |
2055 | |
2334 | |
… | |
… | |
2062 | sv_setsv (cb, &PL_sv_undef); |
2341 | sv_setsv (cb, &PL_sv_undef); |
2063 | |
2342 | |
2064 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2343 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2065 | coro->saved_deffh = 0; |
2344 | coro->saved_deffh = 0; |
2066 | |
2345 | |
2067 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
2346 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2068 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2347 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2069 | { |
2348 | { |
2070 | SV *old = PL_diehook; |
2349 | SV *old = PL_diehook; |
2071 | PL_diehook = 0; |
2350 | PL_diehook = 0; |
2072 | SvREFCNT_dec (old); |
2351 | SvREFCNT_dec (old); |
… | |
… | |
2083 | api_trace (coro_current, 0); |
2362 | api_trace (coro_current, 0); |
2084 | |
2363 | |
2085 | av_push (av_async_pool, newSVsv (coro_current)); |
2364 | av_push (av_async_pool, newSVsv (coro_current)); |
2086 | } |
2365 | } |
2087 | |
2366 | |
|
|
2367 | #if 0 |
|
|
2368 | |
|
|
2369 | void |
|
|
2370 | _generator_call (...) |
|
|
2371 | PROTOTYPE: @ |
|
|
2372 | PPCODE: |
|
|
2373 | fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr); |
|
|
2374 | xxxx |
|
|
2375 | abort (); |
|
|
2376 | |
|
|
2377 | SV * |
|
|
2378 | gensub (SV *sub, ...) |
|
|
2379 | PROTOTYPE: &;@ |
|
|
2380 | CODE: |
|
|
2381 | { |
|
|
2382 | struct coro *coro; |
|
|
2383 | MAGIC *mg; |
|
|
2384 | CV *xcv; |
|
|
2385 | CV *ncv = (CV *)newSV_type (SVt_PVCV); |
|
|
2386 | int i; |
|
|
2387 | |
|
|
2388 | CvGV (ncv) = CvGV (cv); |
|
|
2389 | CvFILE (ncv) = CvFILE (cv); |
|
|
2390 | |
|
|
2391 | Newz (0, coro, 1, struct coro); |
|
|
2392 | coro->args = newAV (); |
|
|
2393 | coro->flags = CF_NEW; |
|
|
2394 | |
|
|
2395 | av_extend (coro->args, items - 1); |
|
|
2396 | for (i = 1; i < items; i++) |
|
|
2397 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2398 | |
|
|
2399 | CvISXSUB_on (ncv); |
|
|
2400 | CvXSUBANY (ncv).any_ptr = (void *)coro; |
|
|
2401 | |
|
|
2402 | xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV)); |
|
|
2403 | |
|
|
2404 | CvXSUB (ncv) = CvXSUB (xcv); |
|
|
2405 | CvANON_on (ncv); |
|
|
2406 | |
|
|
2407 | mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0); |
|
|
2408 | RETVAL = newRV_noinc ((SV *)ncv); |
|
|
2409 | } |
|
|
2410 | OUTPUT: |
|
|
2411 | RETVAL |
|
|
2412 | |
|
|
2413 | #endif |
|
|
2414 | |
2088 | |
2415 | |
2089 | MODULE = Coro::State PACKAGE = Coro::AIO |
2416 | MODULE = Coro::State PACKAGE = Coro::AIO |
2090 | |
2417 | |
2091 | SV * |
2418 | void |
2092 | _get_state () |
2419 | _get_state (SV *self) |
2093 | CODE: |
2420 | PPCODE: |
2094 | { |
2421 | { |
2095 | struct io_state *data; |
2422 | AV *defav = GvAV (PL_defgv); |
2096 | |
2423 | AV *av = newAV (); |
|
|
2424 | int i; |
2097 | RETVAL = newSV (sizeof (struct io_state)); |
2425 | SV *data_sv = newSV (sizeof (struct io_state)); |
2098 | data = (struct io_state *)SvPVX (RETVAL); |
2426 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
2099 | SvCUR_set (RETVAL, sizeof (struct io_state)); |
2427 | SvCUR_set (data_sv, sizeof (struct io_state)); |
2100 | SvPOK_only (RETVAL); |
2428 | SvPOK_only (data_sv); |
2101 | |
2429 | |
2102 | data->errorno = errno; |
2430 | data->errorno = errno; |
2103 | data->laststype = PL_laststype; |
2431 | data->laststype = PL_laststype; |
2104 | data->laststatval = PL_laststatval; |
2432 | data->laststatval = PL_laststatval; |
2105 | data->statcache = PL_statcache; |
2433 | data->statcache = PL_statcache; |
|
|
2434 | |
|
|
2435 | av_extend (av, AvFILLp (defav) + 1 + 1); |
|
|
2436 | |
|
|
2437 | for (i = 0; i <= AvFILLp (defav); ++i) |
|
|
2438 | av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i])); |
|
|
2439 | |
|
|
2440 | av_push (av, data_sv); |
|
|
2441 | |
|
|
2442 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
2443 | |
|
|
2444 | api_ready (self); |
2106 | } |
2445 | } |
2107 | OUTPUT: |
|
|
2108 | RETVAL |
|
|
2109 | |
2446 | |
2110 | void |
2447 | void |
2111 | _set_state (char *data_) |
2448 | _set_state (SV *state) |
2112 | PROTOTYPE: $ |
2449 | PROTOTYPE: $ |
2113 | CODE: |
2450 | PPCODE: |
2114 | { |
2451 | { |
2115 | struct io_state *data = (void *)data_; |
2452 | AV *av = (AV *)SvRV (state); |
|
|
2453 | struct io_state *data = (struct io_state *)SvPVX (AvARRAY (av)[AvFILLp (av)]); |
|
|
2454 | int i; |
2116 | |
2455 | |
2117 | errno = data->errorno; |
2456 | errno = data->errorno; |
2118 | PL_laststype = data->laststype; |
2457 | PL_laststype = data->laststype; |
2119 | PL_laststatval = data->laststatval; |
2458 | PL_laststatval = data->laststatval; |
2120 | PL_statcache = data->statcache; |
2459 | PL_statcache = data->statcache; |
|
|
2460 | |
|
|
2461 | EXTEND (SP, AvFILLp (av)); |
|
|
2462 | for (i = 0; i < AvFILLp (av); ++i) |
|
|
2463 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i]))); |
2121 | } |
2464 | } |
2122 | |
2465 | |
2123 | |
2466 | |
2124 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
2467 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
2125 | |
2468 | |
… | |
… | |
2149 | } |
2492 | } |
2150 | |
2493 | |
2151 | --incede; |
2494 | --incede; |
2152 | } |
2495 | } |
2153 | |
2496 | |
|
|
2497 | |
|
|
2498 | MODULE = Coro::State PACKAGE = PerlIO::cede |
|
|
2499 | |
|
|
2500 | BOOT: |
|
|
2501 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
|
|
2502 | |