… | |
… | |
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> |
14 | #include <assert.h> |
15 | #include <assert.h> |
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16 | |
|
|
17 | #ifdef WIN32 |
|
|
18 | # undef setjmp |
|
|
19 | # undef longjmp |
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20 | # undef _exit |
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21 | # define setjmp _setjmp // deep magic, don't ask |
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22 | #else |
15 | #include <inttypes.h> /* portable stdint.h */ |
23 | # include <inttypes.h> /* most portable stdint.h */ |
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24 | #endif |
16 | |
25 | |
17 | #ifdef HAVE_MMAP |
26 | #ifdef HAVE_MMAP |
18 | # include <unistd.h> |
27 | # include <unistd.h> |
19 | # include <sys/mman.h> |
28 | # include <sys/mman.h> |
20 | # ifndef MAP_ANONYMOUS |
29 | # ifndef MAP_ANONYMOUS |
… | |
… | |
37 | # define BOOT_PAGESIZE (void)0 |
46 | # define BOOT_PAGESIZE (void)0 |
38 | #endif |
47 | #endif |
39 | |
48 | |
40 | #if CORO_USE_VALGRIND |
49 | #if CORO_USE_VALGRIND |
41 | # include <valgrind/valgrind.h> |
50 | # include <valgrind/valgrind.h> |
42 | # define REGISTER_STACK(cctx,start,end) (cctx)->valgrind_id = VALGRIND_STACK_REGISTER ((start), (end)) |
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43 | #else |
|
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44 | # define REGISTER_STACK(cctx,start,end) |
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45 | #endif |
51 | #endif |
46 | |
52 | |
47 | /* the maximum number of idle cctx that will be pooled */ |
53 | /* the maximum number of idle cctx that will be pooled */ |
48 | #define MAX_IDLE_CCTX 8 |
54 | static int cctx_max_idle = 4; |
49 | |
55 | |
50 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
51 | (PERL_REVISION > (a) \ |
57 | (PERL_REVISION > (a) \ |
52 | || (PERL_REVISION == (a) \ |
58 | || (PERL_REVISION == (a) \ |
53 | && (PERL_VERSION > (b) \ |
59 | && (PERL_VERSION > (b) \ |
… | |
… | |
72 | # ifndef IS_PADCONST |
78 | # ifndef IS_PADCONST |
73 | # define IS_PADCONST(v) 0 |
79 | # define IS_PADCONST(v) 0 |
74 | # endif |
80 | # endif |
75 | #endif |
81 | #endif |
76 | |
82 | |
|
|
83 | /* 5.11 */ |
|
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84 | #ifndef CxHASARGS |
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85 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
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86 | #endif |
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87 | |
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88 | /* 5.10.0 */ |
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89 | #ifndef SvREFCNT_inc_NN |
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|
90 | # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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91 | #endif |
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92 | |
77 | /* 5.8.8 */ |
93 | /* 5.8.8 */ |
78 | #ifndef GV_NOTQUAL |
94 | #ifndef GV_NOTQUAL |
79 | # define GV_NOTQUAL 0 |
95 | # define GV_NOTQUAL 0 |
80 | #endif |
96 | #endif |
81 | #ifndef newSV |
97 | #ifndef newSV |
82 | # define newSV(l) NEWSV(0,l) |
98 | # define newSV(l) NEWSV(0,l) |
83 | #endif |
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84 | |
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85 | /* 5.11 */ |
|
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86 | #ifndef CxHASARGS |
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87 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
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88 | #endif |
99 | #endif |
89 | |
100 | |
90 | /* 5.8.7 */ |
101 | /* 5.8.7 */ |
91 | #ifndef SvRV_set |
102 | #ifndef SvRV_set |
92 | # define SvRV_set(s,v) SvRV(s) = (v) |
103 | # define SvRV_set(s,v) SvRV(s) = (v) |
… | |
… | |
112 | |
123 | |
113 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
124 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
114 | |
125 | |
115 | #if __GNUC__ >= 3 |
126 | #if __GNUC__ >= 3 |
116 | # define attribute(x) __attribute__(x) |
127 | # define attribute(x) __attribute__(x) |
117 | # define BARRIER __asm__ __volatile__ ("" : : : "memory") |
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118 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
128 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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129 | # define INLINE static inline |
119 | #else |
130 | #else |
120 | # define attribute(x) |
131 | # define attribute(x) |
121 | # define BARRIER |
|
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122 | # define expect(expr,value) (expr) |
132 | # define expect(expr,value) (expr) |
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133 | # define INLINE static |
123 | #endif |
134 | #endif |
124 | |
135 | |
125 | #define expect_false(expr) expect ((expr) != 0, 0) |
136 | #define expect_false(expr) expect ((expr) != 0, 0) |
126 | #define expect_true(expr) expect ((expr) != 0, 1) |
137 | #define expect_true(expr) expect ((expr) != 0, 1) |
127 | |
138 | |
128 | #define NOINLINE attribute ((noinline)) |
139 | #define NOINLINE attribute ((noinline)) |
129 | |
140 | |
130 | #include "CoroAPI.h" |
141 | #include "CoroAPI.h" |
131 | |
142 | |
132 | #ifdef USE_ITHREADS |
143 | #ifdef USE_ITHREADS |
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144 | |
133 | static perl_mutex coro_mutex; |
145 | static perl_mutex coro_lock; |
134 | # define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) |
146 | # define LOCK do { MUTEX_LOCK (&coro_lock); } while (0) |
135 | # define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0) |
147 | # define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0) |
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148 | # if CORO_PTHREAD |
|
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149 | static void *coro_thx; |
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150 | # endif |
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151 | |
136 | #else |
152 | #else |
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153 | |
137 | # define LOCK (void)0 |
154 | # define LOCK (void)0 |
138 | # define UNLOCK (void)0 |
155 | # define UNLOCK (void)0 |
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156 | |
139 | #endif |
157 | #endif |
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158 | |
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159 | # undef LOCK |
|
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160 | # define LOCK (void)0 |
|
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161 | # undef UNLOCK |
|
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162 | # define UNLOCK (void)0 |
140 | |
163 | |
141 | /* helper storage struct for Coro::AIO */ |
164 | /* helper storage struct for Coro::AIO */ |
142 | struct io_state |
165 | struct io_state |
143 | { |
166 | { |
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|
167 | AV *res; |
144 | int errorno; |
168 | int errorno; |
145 | I32 laststype; |
169 | I32 laststype; /* U16 in 5.10.0 */ |
146 | int laststatval; |
170 | int laststatval; |
147 | Stat_t statcache; |
171 | Stat_t statcache; |
148 | }; |
172 | }; |
149 | |
173 | |
|
|
174 | static double (*nvtime)(); /* so why doesn't it take void? */ |
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175 | |
|
|
176 | static U32 cctx_gen; |
150 | static size_t coro_stacksize = CORO_STACKSIZE; |
177 | static size_t cctx_stacksize = CORO_STACKSIZE; |
151 | static struct CoroAPI coroapi; |
178 | static struct CoroAPI coroapi; |
152 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
179 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
153 | static JMPENV *main_top_env; |
180 | static JMPENV *main_top_env; |
154 | static HV *coro_state_stash, *coro_stash; |
181 | static HV *coro_state_stash, *coro_stash; |
155 | static volatile SV *coro_mortal; /* will be freed after next transfer */ |
182 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
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183 | static volatile struct coro *transfer_next; |
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184 | |
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185 | struct transfer_args |
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186 | { |
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187 | struct coro *prev, *next; |
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|
188 | }; |
156 | |
189 | |
157 | static GV *irsgv; /* $/ */ |
190 | static GV *irsgv; /* $/ */ |
158 | static GV *stdoutgv; /* *STDOUT */ |
191 | static GV *stdoutgv; /* *STDOUT */ |
159 | static SV *rv_diehook; |
192 | static SV *rv_diehook; |
160 | static SV *rv_warnhook; |
193 | static SV *rv_warnhook; |
… | |
… | |
162 | |
195 | |
163 | /* async_pool helper stuff */ |
196 | /* async_pool helper stuff */ |
164 | static SV *sv_pool_rss; |
197 | static SV *sv_pool_rss; |
165 | static SV *sv_pool_size; |
198 | static SV *sv_pool_size; |
166 | static AV *av_async_pool; |
199 | static AV *av_async_pool; |
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|
200 | |
|
|
201 | /* Coro::AnyEvent */ |
|
|
202 | static SV *sv_activity; |
167 | |
203 | |
168 | static struct coro_cctx *cctx_first; |
204 | static struct coro_cctx *cctx_first; |
169 | static int cctx_count, cctx_idle; |
205 | static int cctx_count, cctx_idle; |
170 | |
206 | |
171 | enum { |
207 | enum { |
… | |
… | |
189 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
225 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
190 | 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 */ |
191 | JMPENV *top_env; |
227 | JMPENV *top_env; |
192 | coro_context cctx; |
228 | coro_context cctx; |
193 | |
229 | |
|
|
230 | U32 gen; |
194 | #if CORO_USE_VALGRIND |
231 | #if CORO_USE_VALGRIND |
195 | int valgrind_id; |
232 | int valgrind_id; |
196 | #endif |
233 | #endif |
197 | unsigned char flags; |
234 | unsigned char flags; |
198 | } coro_cctx; |
235 | } coro_cctx; |
… | |
… | |
257 | #define PRIO_IDLE -3 |
294 | #define PRIO_IDLE -3 |
258 | #define PRIO_MIN -4 |
295 | #define PRIO_MIN -4 |
259 | |
296 | |
260 | /* for Coro.pm */ |
297 | /* for Coro.pm */ |
261 | static SV *coro_current; |
298 | static SV *coro_current; |
|
|
299 | static SV *coro_readyhook; |
262 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
300 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
263 | static int coro_nready; |
301 | static int coro_nready; |
264 | static struct coro *coro_first; |
302 | static struct coro *coro_first; |
265 | |
303 | |
266 | /** lowlevel stuff **********************************************************/ |
304 | /** lowlevel stuff **********************************************************/ |
267 | |
305 | |
… | |
… | |
309 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
347 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
310 | #endif |
348 | #endif |
311 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
349 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
312 | --AvFILLp (padlist); |
350 | --AvFILLp (padlist); |
313 | |
351 | |
314 | av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE))); |
352 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
315 | av_store (newpadlist, 1, (SV *)newpad); |
353 | av_store (newpadlist, 1, (SV *)newpad); |
316 | |
354 | |
317 | return newpadlist; |
355 | return newpadlist; |
318 | } |
356 | } |
319 | |
357 | |
… | |
… | |
349 | |
387 | |
350 | /* casting is fun. */ |
388 | /* casting is fun. */ |
351 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
389 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
352 | free_padlist (aTHX_ padlist); |
390 | free_padlist (aTHX_ padlist); |
353 | |
391 | |
|
|
392 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
393 | |
354 | return 0; |
394 | return 0; |
355 | } |
395 | } |
356 | |
396 | |
357 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
397 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
358 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
398 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
… | |
… | |
360 | static MGVTBL coro_cv_vtbl = { |
400 | static MGVTBL coro_cv_vtbl = { |
361 | 0, 0, 0, 0, |
401 | 0, 0, 0, 0, |
362 | coro_cv_free |
402 | coro_cv_free |
363 | }; |
403 | }; |
364 | |
404 | |
365 | #define CORO_MAGIC(sv,type) \ |
405 | #define CORO_MAGIC(sv, type) \ |
366 | SvMAGIC (sv) \ |
406 | SvMAGIC (sv) \ |
367 | ? SvMAGIC (sv)->mg_type == type \ |
407 | ? SvMAGIC (sv)->mg_type == type \ |
368 | ? SvMAGIC (sv) \ |
408 | ? SvMAGIC (sv) \ |
369 | : mg_find (sv, type) \ |
409 | : mg_find (sv, type) \ |
370 | : 0 |
410 | : 0 |
371 | |
411 | |
372 | #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) |
373 | #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) |
374 | |
414 | |
375 | static struct coro * |
415 | INLINE struct coro * |
376 | SvSTATE_ (pTHX_ SV *coro) |
416 | SvSTATE_ (pTHX_ SV *coro) |
377 | { |
417 | { |
378 | HV *stash; |
418 | HV *stash; |
379 | MAGIC *mg; |
419 | MAGIC *mg; |
380 | |
420 | |
… | |
… | |
408 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
448 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
409 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
449 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
410 | else |
450 | else |
411 | { |
451 | { |
412 | #if CORO_PREFER_PERL_FUNCTIONS |
452 | #if CORO_PREFER_PERL_FUNCTIONS |
413 | /* this is probably cleaner, but also slower? */ |
453 | /* this is probably cleaner? but also slower! */ |
|
|
454 | /* in practise, it seems to be less stable */ |
414 | CV *cp = Perl_cv_clone (cv); |
455 | CV *cp = Perl_cv_clone (cv); |
415 | CvPADLIST (cv) = CvPADLIST (cp); |
456 | CvPADLIST (cv) = CvPADLIST (cp); |
416 | CvPADLIST (cp) = 0; |
457 | CvPADLIST (cp) = 0; |
417 | SvREFCNT_dec (cp); |
458 | SvREFCNT_dec (cp); |
418 | #else |
459 | #else |
… | |
… | |
502 | |
543 | |
503 | if (expect_true (CvDEPTH (cv))) |
544 | if (expect_true (CvDEPTH (cv))) |
504 | { |
545 | { |
505 | EXTEND (SP, 3); |
546 | EXTEND (SP, 3); |
506 | PUSHs ((SV *)CvPADLIST (cv)); |
547 | PUSHs ((SV *)CvPADLIST (cv)); |
507 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
548 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
508 | PUSHs ((SV *)cv); |
549 | PUSHs ((SV *)cv); |
509 | |
550 | |
510 | CvDEPTH (cv) = 0; |
551 | CvDEPTH (cv) = 0; |
511 | get_padlist (aTHX_ cv); |
552 | get_padlist (aTHX_ cv); |
512 | } |
553 | } |
… | |
… | |
604 | |
645 | |
605 | /* |
646 | /* |
606 | * destroy the stacks, the callchain etc... |
647 | * destroy the stacks, the callchain etc... |
607 | */ |
648 | */ |
608 | static void |
649 | static void |
609 | coro_destroy_stacks (pTHX) |
650 | coro_destruct_stacks (pTHX) |
610 | { |
651 | { |
611 | while (PL_curstackinfo->si_next) |
652 | while (PL_curstackinfo->si_next) |
612 | PL_curstackinfo = PL_curstackinfo->si_next; |
653 | PL_curstackinfo = PL_curstackinfo->si_next; |
613 | |
654 | |
614 | while (PL_curstackinfo) |
655 | while (PL_curstackinfo) |
… | |
… | |
651 | #undef VAR |
692 | #undef VAR |
652 | } |
693 | } |
653 | else |
694 | else |
654 | slot = coro->slot; |
695 | slot = coro->slot; |
655 | |
696 | |
|
|
697 | if (slot) |
|
|
698 | { |
656 | rss += sizeof (slot->curstackinfo); |
699 | rss += sizeof (slot->curstackinfo); |
657 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
700 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
658 | 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 *); |
659 | rss += slot->tmps_max * sizeof (SV *); |
702 | rss += slot->tmps_max * sizeof (SV *); |
660 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
703 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
661 | rss += slot->scopestack_max * sizeof (I32); |
704 | rss += slot->scopestack_max * sizeof (I32); |
662 | rss += slot->savestack_max * sizeof (ANY); |
705 | rss += slot->savestack_max * sizeof (ANY); |
663 | |
706 | |
664 | #if !PERL_VERSION_ATLEAST (5,10,0) |
707 | #if !PERL_VERSION_ATLEAST (5,10,0) |
665 | rss += slot->retstack_max * sizeof (OP *); |
708 | rss += slot->retstack_max * sizeof (OP *); |
666 | #endif |
709 | #endif |
|
|
710 | } |
667 | } |
711 | } |
668 | |
712 | |
669 | return rss; |
713 | return rss; |
|
|
714 | } |
|
|
715 | |
|
|
716 | /** set stacklevel support **************************************************/ |
|
|
717 | |
|
|
718 | /* we sometimes need to create the effect of pp_set_stacklevel calling us */ |
|
|
719 | #define SSL_HEAD (void)0 |
|
|
720 | /* we somtimes need to create the effect of leaving via pp_set_stacklevel */ |
|
|
721 | #define SSL_TAIL set_stacklevel_tail (aTHX) |
|
|
722 | |
|
|
723 | INLINE void |
|
|
724 | set_stacklevel_tail (pTHX) |
|
|
725 | { |
|
|
726 | dSP; |
|
|
727 | int gimme = GIMME_V; |
|
|
728 | |
|
|
729 | if (gimme == G_SCALAR) |
|
|
730 | XPUSHs (&PL_sv_undef); |
|
|
731 | |
|
|
732 | PUTBACK; |
670 | } |
733 | } |
671 | |
734 | |
672 | /** coroutine stack handling ************************************************/ |
735 | /** coroutine stack handling ************************************************/ |
673 | |
736 | |
674 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
737 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
675 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
738 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
739 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
740 | |
|
|
741 | /* apparently < 5.8.8 */ |
|
|
742 | #ifndef MgPV_nolen_const |
|
|
743 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
|
|
744 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
|
|
745 | (const char*)(mg)->mg_ptr) |
|
|
746 | #endif |
676 | |
747 | |
677 | /* |
748 | /* |
678 | * This overrides the default magic get method of %SIG elements. |
749 | * This overrides the default magic get method of %SIG elements. |
679 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
750 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
680 | * and instead of tryign to save and restore the hash elements, we just provide |
751 | * and instead of tryign to save and restore the hash elements, we just provide |
… | |
… | |
688 | { |
759 | { |
689 | const char *s = MgPV_nolen_const (mg); |
760 | const char *s = MgPV_nolen_const (mg); |
690 | |
761 | |
691 | if (*s == '_') |
762 | if (*s == '_') |
692 | { |
763 | { |
693 | if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0; |
764 | SV **svp = 0; |
694 | if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0; |
765 | |
|
|
766 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
767 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
768 | |
|
|
769 | if (svp) |
|
|
770 | { |
|
|
771 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
|
|
772 | return 0; |
|
|
773 | } |
695 | } |
774 | } |
696 | |
775 | |
697 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
776 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
|
|
777 | } |
|
|
778 | |
|
|
779 | static int |
|
|
780 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
|
|
781 | { |
|
|
782 | const char *s = MgPV_nolen_const (mg); |
|
|
783 | |
|
|
784 | if (*s == '_') |
|
|
785 | { |
|
|
786 | SV **svp = 0; |
|
|
787 | |
|
|
788 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
789 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
790 | |
|
|
791 | if (svp) |
|
|
792 | { |
|
|
793 | SV *old = *svp; |
|
|
794 | *svp = 0; |
|
|
795 | SvREFCNT_dec (old); |
|
|
796 | return 0; |
|
|
797 | } |
|
|
798 | } |
|
|
799 | |
|
|
800 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
698 | } |
801 | } |
699 | |
802 | |
700 | static int |
803 | static int |
701 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
804 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
702 | { |
805 | { |
… | |
… | |
712 | if (svp) |
815 | if (svp) |
713 | { |
816 | { |
714 | SV *old = *svp; |
817 | SV *old = *svp; |
715 | *svp = newSVsv (sv); |
818 | *svp = newSVsv (sv); |
716 | SvREFCNT_dec (old); |
819 | SvREFCNT_dec (old); |
717 | return; |
820 | return 0; |
718 | } |
821 | } |
719 | } |
822 | } |
720 | |
823 | |
721 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
824 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
722 | } |
825 | } |
… | |
… | |
736 | PL_curpm = 0; |
839 | PL_curpm = 0; |
737 | PL_curpad = 0; |
840 | PL_curpad = 0; |
738 | PL_localizing = 0; |
841 | PL_localizing = 0; |
739 | PL_dirty = 0; |
842 | PL_dirty = 0; |
740 | PL_restartop = 0; |
843 | PL_restartop = 0; |
741 | #if !PERL_VERSION_ATLEAST (5,10,0) |
844 | #if PERL_VERSION_ATLEAST (5,10,0) |
742 | PL_parser = 0; |
845 | PL_parser = 0; |
743 | #endif |
846 | #endif |
744 | |
847 | |
745 | /* recreate the die/warn hooks */ |
848 | /* recreate the die/warn hooks */ |
746 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
849 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
… | |
… | |
749 | GvSV (PL_defgv) = newSV (0); |
852 | GvSV (PL_defgv) = newSV (0); |
750 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
853 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
751 | GvSV (PL_errgv) = newSV (0); |
854 | GvSV (PL_errgv) = newSV (0); |
752 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
855 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
753 | PL_rs = newSVsv (GvSV (irsgv)); |
856 | PL_rs = newSVsv (GvSV (irsgv)); |
754 | PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv); |
857 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
755 | |
858 | |
756 | { |
859 | { |
757 | dSP; |
860 | dSP; |
758 | LOGOP myop; |
861 | UNOP myop; |
759 | |
862 | |
760 | Zero (&myop, 1, LOGOP); |
863 | Zero (&myop, 1, UNOP); |
761 | myop.op_next = Nullop; |
864 | myop.op_next = Nullop; |
762 | myop.op_flags = OPf_WANT_VOID; |
865 | myop.op_flags = OPf_WANT_VOID; |
763 | |
866 | |
764 | PUSHMARK (SP); |
867 | PUSHMARK (SP); |
765 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
868 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
… | |
… | |
768 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
871 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
769 | SPAGAIN; |
872 | SPAGAIN; |
770 | } |
873 | } |
771 | |
874 | |
772 | /* this newly created coroutine might be run on an existing cctx which most |
875 | /* this newly created coroutine might be run on an existing cctx which most |
773 | * likely was suspended in set_stacklevel, called from entersub. |
876 | * likely was suspended in set_stacklevel, called from pp_set_stacklevel, |
774 | * set_stacklevl doesn't do anything on return, but entersub does LEAVE, |
877 | * so we have to emulate entering pp_set_stacklevel here. |
775 | * so we ENTER here for symmetry |
|
|
776 | */ |
878 | */ |
777 | ENTER; |
879 | SSL_HEAD; |
778 | } |
880 | } |
779 | |
881 | |
780 | static void |
882 | static void |
781 | coro_destroy (pTHX_ struct coro *coro) |
883 | coro_destruct (pTHX_ struct coro *coro) |
782 | { |
884 | { |
783 | if (!IN_DESTRUCT) |
885 | if (!IN_DESTRUCT) |
784 | { |
886 | { |
785 | /* restore all saved variables and stuff */ |
887 | /* restore all saved variables and stuff */ |
786 | LEAVE_SCOPE (0); |
888 | LEAVE_SCOPE (0); |
… | |
… | |
808 | SvREFCNT_dec (PL_warnhook); |
910 | SvREFCNT_dec (PL_warnhook); |
809 | |
911 | |
810 | SvREFCNT_dec (coro->saved_deffh); |
912 | SvREFCNT_dec (coro->saved_deffh); |
811 | SvREFCNT_dec (coro->throw); |
913 | SvREFCNT_dec (coro->throw); |
812 | |
914 | |
813 | coro_destroy_stacks (aTHX); |
915 | coro_destruct_stacks (aTHX); |
814 | } |
916 | } |
815 | |
917 | |
816 | static void |
918 | INLINE void |
817 | free_coro_mortal (pTHX) |
919 | free_coro_mortal (pTHX) |
818 | { |
920 | { |
819 | if (expect_true (coro_mortal)) |
921 | if (expect_true (coro_mortal)) |
820 | { |
922 | { |
821 | SvREFCNT_dec (coro_mortal); |
923 | SvREFCNT_dec (coro_mortal); |
… | |
… | |
855 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
957 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
856 | : bot; |
958 | : bot; |
857 | |
959 | |
858 | av_extend (av, top - bot); |
960 | av_extend (av, top - bot); |
859 | while (bot < top) |
961 | while (bot < top) |
860 | av_push (av, SvREFCNT_inc (*bot++)); |
962 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
861 | |
963 | |
862 | PL_runops = RUNOPS_DEFAULT; |
964 | PL_runops = RUNOPS_DEFAULT; |
863 | ENTER; |
965 | ENTER; |
864 | SAVETMPS; |
966 | SAVETMPS; |
865 | EXTEND (SP, 3); |
967 | EXTEND (SP, 3); |
… | |
… | |
945 | |
1047 | |
946 | TAINT_NOT; |
1048 | TAINT_NOT; |
947 | return 0; |
1049 | return 0; |
948 | } |
1050 | } |
949 | |
1051 | |
|
|
1052 | static void |
|
|
1053 | prepare_set_stacklevel (struct transfer_args *ta, struct coro_cctx *cctx) |
|
|
1054 | { |
|
|
1055 | ta->prev = (struct coro *)cctx; |
|
|
1056 | ta->next = 0; |
|
|
1057 | } |
|
|
1058 | |
950 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
1059 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
951 | /* _cctx_init should be careful, as it could be called at almost any time */ |
1060 | /* _cctx_init should be careful, as it could be called at almost any time */ |
952 | /* during execution of a perl program */ |
1061 | /* during execution of a perl program */ |
|
|
1062 | /* also initialises PL_top_env */ |
953 | static void NOINLINE |
1063 | static void NOINLINE |
954 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1064 | cctx_prepare (pTHX_ coro_cctx *cctx) |
955 | { |
1065 | { |
956 | dSP; |
1066 | dSP; |
957 | LOGOP myop; |
1067 | UNOP myop; |
958 | |
1068 | |
959 | PL_top_env = &PL_start_env; |
1069 | PL_top_env = &PL_start_env; |
960 | |
1070 | |
961 | if (cctx->flags & CC_TRACE) |
1071 | if (cctx->flags & CC_TRACE) |
962 | PL_runops = runops_trace; |
1072 | PL_runops = runops_trace; |
963 | |
1073 | |
964 | Zero (&myop, 1, LOGOP); |
1074 | Zero (&myop, 1, UNOP); |
965 | myop.op_next = PL_op; |
1075 | myop.op_next = PL_op; |
966 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
1076 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
967 | |
1077 | |
968 | PUSHMARK (SP); |
1078 | PUSHMARK (SP); |
969 | EXTEND (SP, 2); |
1079 | EXTEND (SP, 2); |
970 | PUSHs (sv_2mortal (newSViv (PTR2IV (cctx)))); |
1080 | PUSHs (sv_2mortal (newSViv ((IV)cctx))); |
971 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
1081 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
972 | PUTBACK; |
1082 | PUTBACK; |
973 | PL_op = (OP *)&myop; |
1083 | PL_op = (OP *)&myop; |
974 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1084 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
975 | SPAGAIN; |
1085 | SPAGAIN; |
976 | } |
1086 | } |
977 | |
1087 | |
|
|
1088 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
|
|
1089 | INLINE void |
|
|
1090 | transfer_tail (pTHX) |
|
|
1091 | { |
|
|
1092 | struct coro *next = (struct coro *)transfer_next; |
|
|
1093 | assert (!(transfer_next = 0)); /* just used for the side effect when asserts are enabled */ |
|
|
1094 | assert (("FATAL: next coroutine was zero in transfer_tail (please report)", next)); |
|
|
1095 | |
|
|
1096 | free_coro_mortal (aTHX); |
|
|
1097 | UNLOCK; |
|
|
1098 | |
|
|
1099 | if (expect_false (next->throw)) |
|
|
1100 | { |
|
|
1101 | SV *exception = sv_2mortal (next->throw); |
|
|
1102 | |
|
|
1103 | next->throw = 0; |
|
|
1104 | sv_setsv (ERRSV, exception); |
|
|
1105 | croak (0); |
|
|
1106 | } |
|
|
1107 | } |
|
|
1108 | |
978 | /* |
1109 | /* |
979 | * this is a _very_ stripped down perl interpreter ;) |
1110 | * this is a _very_ stripped down perl interpreter ;) |
980 | */ |
1111 | */ |
981 | static void |
1112 | static void |
982 | cctx_run (void *arg) |
1113 | cctx_run (void *arg) |
983 | { |
1114 | { |
|
|
1115 | #ifdef USE_ITHREADS |
|
|
1116 | # if CORO_PTHREAD |
|
|
1117 | PERL_SET_CONTEXT (coro_thx); |
|
|
1118 | # endif |
|
|
1119 | #endif |
|
|
1120 | { |
984 | dTHX; |
1121 | dTHX; |
985 | |
1122 | |
986 | /* cctx_run is the alternative tail of transfer(), so unlock here. */ |
1123 | /* we are the alternative tail to pp_set_stacklevel */ |
987 | UNLOCK; |
1124 | /* so do the same things here */ |
|
|
1125 | SSL_TAIL; |
988 | |
1126 | |
989 | /* we now skip the entersub that lead to transfer() */ |
1127 | /* we now skip the op that did lead to transfer() */ |
990 | PL_op = PL_op->op_next; |
1128 | PL_op = PL_op->op_next; |
991 | |
1129 | |
992 | /* inject a fake subroutine call to cctx_init */ |
1130 | /* inject a fake subroutine call to cctx_init */ |
993 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1131 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
994 | |
1132 | |
|
|
1133 | /* cctx_run is the alternative tail of transfer() */ |
|
|
1134 | transfer_tail (aTHX); |
|
|
1135 | |
995 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1136 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
996 | PL_restartop = PL_op; |
1137 | PL_restartop = PL_op; |
997 | perl_run (PL_curinterp); |
1138 | perl_run (PL_curinterp); |
998 | |
1139 | |
999 | /* |
1140 | /* |
1000 | * If perl-run returns we assume exit() was being called or the coro |
1141 | * If perl-run returns we assume exit() was being called or the coro |
1001 | * fell off the end, which seems to be the only valid (non-bug) |
1142 | * fell off the end, which seems to be the only valid (non-bug) |
1002 | * reason for perl_run to return. We try to exit by jumping to the |
1143 | * reason for perl_run to return. We try to exit by jumping to the |
1003 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1144 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1004 | * coroutine as Coro has no such concept |
1145 | * coroutine as Coro has no such concept |
1005 | */ |
1146 | */ |
1006 | PL_top_env = main_top_env; |
1147 | PL_top_env = main_top_env; |
1007 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1148 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1149 | } |
1008 | } |
1150 | } |
1009 | |
1151 | |
1010 | static coro_cctx * |
1152 | static coro_cctx * |
1011 | cctx_new () |
1153 | cctx_new () |
1012 | { |
1154 | { |
1013 | coro_cctx *cctx; |
1155 | coro_cctx *cctx; |
|
|
1156 | |
|
|
1157 | ++cctx_count; |
|
|
1158 | New (0, cctx, 1, coro_cctx); |
|
|
1159 | |
|
|
1160 | cctx->gen = cctx_gen; |
|
|
1161 | cctx->flags = 0; |
|
|
1162 | cctx->idle_sp = 0; /* can be accessed by transfer between cctx_run and set_stacklevel, on throw */ |
|
|
1163 | |
|
|
1164 | return cctx; |
|
|
1165 | } |
|
|
1166 | |
|
|
1167 | /* create a new cctx only suitable as source */ |
|
|
1168 | static coro_cctx * |
|
|
1169 | cctx_new_empty () |
|
|
1170 | { |
|
|
1171 | coro_cctx *cctx = cctx_new (); |
|
|
1172 | |
|
|
1173 | cctx->sptr = 0; |
|
|
1174 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
|
|
1175 | |
|
|
1176 | return cctx; |
|
|
1177 | } |
|
|
1178 | |
|
|
1179 | /* create a new cctx suitable as destination/running a perl interpreter */ |
|
|
1180 | static coro_cctx * |
|
|
1181 | cctx_new_run () |
|
|
1182 | { |
|
|
1183 | coro_cctx *cctx = cctx_new (); |
1014 | void *stack_start; |
1184 | void *stack_start; |
1015 | size_t stack_size; |
1185 | size_t stack_size; |
1016 | |
1186 | |
1017 | ++cctx_count; |
|
|
1018 | |
|
|
1019 | Newz (0, cctx, 1, coro_cctx); |
|
|
1020 | |
|
|
1021 | #if HAVE_MMAP |
1187 | #if HAVE_MMAP |
1022 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1188 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1023 | /* mmap supposedly does allocate-on-write for us */ |
1189 | /* mmap supposedly does allocate-on-write for us */ |
1024 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1190 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1025 | |
1191 | |
1026 | if (cctx->sptr != (void *)-1) |
1192 | if (cctx->sptr != (void *)-1) |
1027 | { |
1193 | { |
1028 | # if CORO_STACKGUARD |
1194 | #if CORO_STACKGUARD |
1029 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1195 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1030 | # endif |
1196 | #endif |
1031 | stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
1197 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
1032 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
1198 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
1033 | cctx->flags |= CC_MAPPED; |
1199 | cctx->flags |= CC_MAPPED; |
1034 | } |
1200 | } |
1035 | else |
1201 | else |
1036 | #endif |
1202 | #endif |
1037 | { |
1203 | { |
1038 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
1204 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
1039 | New (0, cctx->sptr, coro_stacksize, long); |
1205 | New (0, cctx->sptr, cctx_stacksize, long); |
1040 | |
1206 | |
1041 | if (!cctx->sptr) |
1207 | if (!cctx->sptr) |
1042 | { |
1208 | { |
1043 | perror ("FATAL: unable to allocate stack for coroutine"); |
1209 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1044 | _exit (EXIT_FAILURE); |
1210 | _exit (EXIT_FAILURE); |
1045 | } |
1211 | } |
1046 | |
1212 | |
1047 | stack_start = cctx->sptr; |
1213 | stack_start = cctx->sptr; |
1048 | stack_size = cctx->ssize; |
1214 | stack_size = cctx->ssize; |
1049 | } |
1215 | } |
1050 | |
1216 | |
1051 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
1217 | #if CORO_USE_VALGRIND |
|
|
1218 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1219 | #endif |
|
|
1220 | |
1052 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1221 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1053 | |
1222 | |
1054 | return cctx; |
1223 | return cctx; |
1055 | } |
1224 | } |
1056 | |
1225 | |
… | |
… | |
1059 | { |
1228 | { |
1060 | if (!cctx) |
1229 | if (!cctx) |
1061 | return; |
1230 | return; |
1062 | |
1231 | |
1063 | --cctx_count; |
1232 | --cctx_count; |
|
|
1233 | coro_destroy (&cctx->cctx); |
1064 | |
1234 | |
|
|
1235 | /* coro_transfer creates new, empty cctx's */ |
|
|
1236 | if (cctx->sptr) |
|
|
1237 | { |
1065 | #if CORO_USE_VALGRIND |
1238 | #if CORO_USE_VALGRIND |
1066 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
1239 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
1067 | #endif |
1240 | #endif |
1068 | |
1241 | |
1069 | #if HAVE_MMAP |
1242 | #if HAVE_MMAP |
1070 | if (cctx->flags & CC_MAPPED) |
1243 | if (cctx->flags & CC_MAPPED) |
1071 | munmap (cctx->sptr, cctx->ssize); |
1244 | munmap (cctx->sptr, cctx->ssize); |
1072 | else |
1245 | else |
1073 | #endif |
1246 | #endif |
1074 | Safefree (cctx->sptr); |
1247 | Safefree (cctx->sptr); |
|
|
1248 | } |
1075 | |
1249 | |
1076 | Safefree (cctx); |
1250 | Safefree (cctx); |
1077 | } |
1251 | } |
1078 | |
1252 | |
1079 | /* wether this cctx should be destructed */ |
1253 | /* wether this cctx should be destructed */ |
1080 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
1254 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1081 | |
1255 | |
1082 | static coro_cctx * |
1256 | static coro_cctx * |
1083 | cctx_get (pTHX) |
1257 | cctx_get (pTHX) |
1084 | { |
1258 | { |
1085 | while (expect_true (cctx_first)) |
1259 | while (expect_true (cctx_first)) |
… | |
… | |
1092 | return cctx; |
1266 | return cctx; |
1093 | |
1267 | |
1094 | cctx_destroy (cctx); |
1268 | cctx_destroy (cctx); |
1095 | } |
1269 | } |
1096 | |
1270 | |
1097 | return cctx_new (); |
1271 | return cctx_new_run (); |
1098 | } |
1272 | } |
1099 | |
1273 | |
1100 | static void |
1274 | static void |
1101 | cctx_put (coro_cctx *cctx) |
1275 | cctx_put (coro_cctx *cctx) |
1102 | { |
1276 | { |
|
|
1277 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
|
|
1278 | |
1103 | /* free another cctx if overlimit */ |
1279 | /* free another cctx if overlimit */ |
1104 | if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) |
1280 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1105 | { |
1281 | { |
1106 | coro_cctx *first = cctx_first; |
1282 | coro_cctx *first = cctx_first; |
1107 | cctx_first = first->next; |
1283 | cctx_first = first->next; |
1108 | --cctx_idle; |
1284 | --cctx_idle; |
1109 | |
1285 | |
… | |
… | |
1130 | |
1306 | |
1131 | if (expect_false (next->flags & CF_DESTROYED)) |
1307 | if (expect_false (next->flags & CF_DESTROYED)) |
1132 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1308 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1133 | |
1309 | |
1134 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1310 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1135 | if (expect_false (PL_lex_state != LEX_NOTPARSING) |
1311 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1136 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
1312 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version"); |
1137 | #endif |
1313 | #endif |
1138 | } |
1314 | } |
1139 | } |
1315 | } |
1140 | |
1316 | |
1141 | /* always use the TRANSFER macro */ |
1317 | /* always use the TRANSFER macro */ |
1142 | static void NOINLINE |
1318 | static void NOINLINE |
1143 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1319 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1144 | { |
1320 | { |
1145 | dSTACKLEVEL; |
1321 | dSTACKLEVEL; |
1146 | static volatile int has_throw; |
|
|
1147 | |
1322 | |
1148 | /* sometimes transfer is only called to set idle_sp */ |
1323 | /* sometimes transfer is only called to set idle_sp */ |
1149 | if (expect_false (!next)) |
1324 | if (expect_false (!next)) |
1150 | { |
1325 | { |
1151 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1326 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
… | |
… | |
1155 | { |
1330 | { |
1156 | coro_cctx *prev__cctx; |
1331 | coro_cctx *prev__cctx; |
1157 | |
1332 | |
1158 | if (expect_false (prev->flags & CF_NEW)) |
1333 | if (expect_false (prev->flags & CF_NEW)) |
1159 | { |
1334 | { |
1160 | /* create a new empty context */ |
1335 | /* create a new empty/source context */ |
1161 | Newz (0, prev->cctx, 1, coro_cctx); |
1336 | prev->cctx = cctx_new_empty (); |
1162 | prev->flags &= ~CF_NEW; |
1337 | prev->flags &= ~CF_NEW; |
1163 | prev->flags |= CF_RUNNING; |
1338 | prev->flags |= CF_RUNNING; |
1164 | } |
1339 | } |
1165 | |
1340 | |
1166 | prev->flags &= ~CF_RUNNING; |
1341 | prev->flags &= ~CF_RUNNING; |
… | |
… | |
1181 | else |
1356 | else |
1182 | load_perl (aTHX_ next); |
1357 | load_perl (aTHX_ next); |
1183 | |
1358 | |
1184 | prev__cctx = prev->cctx; |
1359 | prev__cctx = prev->cctx; |
1185 | |
1360 | |
1186 | /* possibly "free" the cctx */ |
1361 | /* possibly untie and reuse the cctx */ |
1187 | if (expect_true ( |
1362 | if (expect_true ( |
1188 | prev__cctx->idle_sp == STACKLEVEL |
1363 | prev__cctx->idle_sp == STACKLEVEL |
1189 | && !(prev__cctx->flags & CC_TRACE) |
1364 | && !(prev__cctx->flags & CC_TRACE) |
1190 | && !force_cctx |
1365 | && !force_cctx |
1191 | )) |
1366 | )) |
1192 | { |
1367 | { |
1193 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1368 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1194 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1369 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1195 | |
1370 | |
1196 | prev->cctx = 0; |
1371 | prev->cctx = 0; |
1197 | |
1372 | |
1198 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1373 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1199 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1374 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
… | |
… | |
1207 | ++next->usecount; |
1382 | ++next->usecount; |
1208 | |
1383 | |
1209 | if (expect_true (!next->cctx)) |
1384 | if (expect_true (!next->cctx)) |
1210 | next->cctx = cctx_get (aTHX); |
1385 | next->cctx = cctx_get (aTHX); |
1211 | |
1386 | |
1212 | has_throw = !!next->throw; |
1387 | assert (("FATAL: transfer_next already nonzero in Coro (please report)", !transfer_next)); |
|
|
1388 | transfer_next = next; |
1213 | |
1389 | |
1214 | if (expect_false (prev__cctx != next->cctx)) |
1390 | if (expect_false (prev__cctx != next->cctx)) |
1215 | { |
1391 | { |
1216 | prev__cctx->top_env = PL_top_env; |
1392 | prev__cctx->top_env = PL_top_env; |
1217 | PL_top_env = next->cctx->top_env; |
1393 | PL_top_env = next->cctx->top_env; |
1218 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1394 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1219 | } |
1395 | } |
1220 | |
1396 | |
1221 | free_coro_mortal (aTHX); |
1397 | transfer_tail (aTHX); |
1222 | UNLOCK; |
|
|
1223 | |
|
|
1224 | if (expect_false (has_throw)) |
|
|
1225 | { |
|
|
1226 | struct coro *coro = SvSTATE (coro_current); |
|
|
1227 | |
|
|
1228 | if (coro->throw) |
|
|
1229 | { |
|
|
1230 | SV *exception = coro->throw; |
|
|
1231 | coro->throw = 0; |
|
|
1232 | sv_setsv (ERRSV, exception); |
|
|
1233 | croak (0); |
|
|
1234 | } |
|
|
1235 | } |
|
|
1236 | } |
1398 | } |
1237 | } |
1399 | } |
1238 | |
|
|
1239 | struct transfer_args |
|
|
1240 | { |
|
|
1241 | struct coro *prev, *next; |
|
|
1242 | }; |
|
|
1243 | |
1400 | |
1244 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1401 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1245 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1402 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1246 | |
1403 | |
1247 | /** high level stuff ********************************************************/ |
1404 | /** high level stuff ********************************************************/ |
… | |
… | |
1273 | croak ("FATAL: tried to destroy currently running coroutine"); |
1430 | croak ("FATAL: tried to destroy currently running coroutine"); |
1274 | |
1431 | |
1275 | save_perl (aTHX_ &temp); |
1432 | save_perl (aTHX_ &temp); |
1276 | load_perl (aTHX_ coro); |
1433 | load_perl (aTHX_ coro); |
1277 | |
1434 | |
1278 | coro_destroy (aTHX_ coro); |
1435 | coro_destruct (aTHX_ coro); |
1279 | |
1436 | |
1280 | load_perl (aTHX_ &temp); |
1437 | load_perl (aTHX_ &temp); |
1281 | |
1438 | |
1282 | coro->slot = 0; |
1439 | coro->slot = 0; |
1283 | } |
1440 | } |
… | |
… | |
1371 | static int |
1528 | static int |
1372 | api_ready (SV *coro_sv) |
1529 | api_ready (SV *coro_sv) |
1373 | { |
1530 | { |
1374 | dTHX; |
1531 | dTHX; |
1375 | struct coro *coro; |
1532 | struct coro *coro; |
|
|
1533 | SV *sv_hook; |
|
|
1534 | void (*xs_hook)(void); |
1376 | |
1535 | |
1377 | if (SvROK (coro_sv)) |
1536 | if (SvROK (coro_sv)) |
1378 | coro_sv = SvRV (coro_sv); |
1537 | coro_sv = SvRV (coro_sv); |
1379 | |
1538 | |
1380 | coro = SvSTATE (coro_sv); |
1539 | coro = SvSTATE (coro_sv); |
… | |
… | |
1383 | return 0; |
1542 | return 0; |
1384 | |
1543 | |
1385 | coro->flags |= CF_READY; |
1544 | coro->flags |= CF_READY; |
1386 | |
1545 | |
1387 | LOCK; |
1546 | LOCK; |
|
|
1547 | |
|
|
1548 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1549 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1550 | |
1388 | coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); |
1551 | coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv)); |
1389 | ++coro_nready; |
1552 | ++coro_nready; |
|
|
1553 | |
1390 | UNLOCK; |
1554 | UNLOCK; |
|
|
1555 | |
|
|
1556 | if (sv_hook) |
|
|
1557 | { |
|
|
1558 | dSP; |
|
|
1559 | |
|
|
1560 | ENTER; |
|
|
1561 | SAVETMPS; |
|
|
1562 | |
|
|
1563 | PUSHMARK (SP); |
|
|
1564 | PUTBACK; |
|
|
1565 | call_sv (sv_hook, G_DISCARD); |
|
|
1566 | SPAGAIN; |
|
|
1567 | |
|
|
1568 | FREETMPS; |
|
|
1569 | LEAVE; |
|
|
1570 | } |
|
|
1571 | |
|
|
1572 | if (xs_hook) |
|
|
1573 | xs_hook (); |
1391 | |
1574 | |
1392 | return 1; |
1575 | return 1; |
1393 | } |
1576 | } |
1394 | |
1577 | |
1395 | static int |
1578 | static int |
1396 | api_is_ready (SV *coro_sv) |
1579 | api_is_ready (SV *coro_sv) |
1397 | { |
1580 | { |
1398 | dTHX; |
1581 | dTHX; |
|
|
1582 | |
1399 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1583 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1400 | } |
1584 | } |
1401 | |
1585 | |
1402 | static void |
1586 | INLINE void |
1403 | prepare_schedule (pTHX_ struct transfer_args *ta) |
1587 | prepare_schedule (pTHX_ struct transfer_args *ta) |
1404 | { |
1588 | { |
1405 | SV *prev_sv, *next_sv; |
1589 | SV *prev_sv, *next_sv; |
1406 | |
1590 | |
1407 | for (;;) |
1591 | for (;;) |
… | |
… | |
1433 | /* cannot transfer to destroyed coros, skip and look for next */ |
1617 | /* cannot transfer to destroyed coros, skip and look for next */ |
1434 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1618 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1435 | { |
1619 | { |
1436 | UNLOCK; |
1620 | UNLOCK; |
1437 | SvREFCNT_dec (next_sv); |
1621 | SvREFCNT_dec (next_sv); |
1438 | /* coro_nready is already taken care of by destroy */ |
1622 | /* coro_nready has already been taken care of by destroy */ |
1439 | continue; |
1623 | continue; |
1440 | } |
1624 | } |
1441 | |
1625 | |
1442 | --coro_nready; |
1626 | --coro_nready; |
1443 | UNLOCK; |
1627 | UNLOCK; |
… | |
… | |
1446 | |
1630 | |
1447 | /* free this only after the transfer */ |
1631 | /* free this only after the transfer */ |
1448 | prev_sv = SvRV (coro_current); |
1632 | prev_sv = SvRV (coro_current); |
1449 | ta->prev = SvSTATE (prev_sv); |
1633 | ta->prev = SvSTATE (prev_sv); |
1450 | TRANSFER_CHECK (*ta); |
1634 | TRANSFER_CHECK (*ta); |
1451 | assert (ta->next->flags & CF_READY); |
1635 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
1452 | ta->next->flags &= ~CF_READY; |
1636 | ta->next->flags &= ~CF_READY; |
1453 | SvRV_set (coro_current, next_sv); |
1637 | SvRV_set (coro_current, next_sv); |
1454 | |
1638 | |
1455 | LOCK; |
1639 | LOCK; |
1456 | free_coro_mortal (aTHX); |
1640 | free_coro_mortal (aTHX); |
1457 | coro_mortal = prev_sv; |
1641 | coro_mortal = prev_sv; |
1458 | UNLOCK; |
1642 | UNLOCK; |
1459 | } |
1643 | } |
1460 | |
1644 | |
1461 | static void |
1645 | INLINE void |
1462 | prepare_cede (pTHX_ struct transfer_args *ta) |
1646 | prepare_cede (pTHX_ struct transfer_args *ta) |
1463 | { |
1647 | { |
1464 | api_ready (coro_current); |
1648 | api_ready (coro_current); |
1465 | prepare_schedule (aTHX_ ta); |
1649 | prepare_schedule (aTHX_ ta); |
1466 | } |
1650 | } |
… | |
… | |
1528 | struct coro *coro = SvSTATE (coro_sv); |
1712 | struct coro *coro = SvSTATE (coro_sv); |
1529 | |
1713 | |
1530 | if (flags & CC_TRACE) |
1714 | if (flags & CC_TRACE) |
1531 | { |
1715 | { |
1532 | if (!coro->cctx) |
1716 | if (!coro->cctx) |
1533 | coro->cctx = cctx_new (); |
1717 | coro->cctx = cctx_new_run (); |
1534 | else if (!(coro->cctx->flags & CC_TRACE)) |
1718 | else if (!(coro->cctx->flags & CC_TRACE)) |
1535 | croak ("cannot enable tracing on coroutine with custom stack"); |
1719 | croak ("cannot enable tracing on coroutine with custom stack"); |
1536 | |
1720 | |
1537 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1721 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1538 | } |
1722 | } |
… | |
… | |
1545 | else |
1729 | else |
1546 | coro->slot->runops = RUNOPS_DEFAULT; |
1730 | coro->slot->runops = RUNOPS_DEFAULT; |
1547 | } |
1731 | } |
1548 | } |
1732 | } |
1549 | |
1733 | |
|
|
1734 | #if 0 |
|
|
1735 | static int |
|
|
1736 | coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
1737 | { |
|
|
1738 | AV *padlist; |
|
|
1739 | AV *av = (AV *)mg->mg_obj; |
|
|
1740 | |
|
|
1741 | abort (); |
|
|
1742 | |
|
|
1743 | return 0; |
|
|
1744 | } |
|
|
1745 | |
|
|
1746 | static MGVTBL coro_gensub_vtbl = { |
|
|
1747 | 0, 0, 0, 0, |
|
|
1748 | coro_gensub_free |
|
|
1749 | }; |
|
|
1750 | #endif |
|
|
1751 | |
|
|
1752 | /*****************************************************************************/ |
|
|
1753 | /* PerlIO::cede */ |
|
|
1754 | |
|
|
1755 | typedef struct |
|
|
1756 | { |
|
|
1757 | PerlIOBuf base; |
|
|
1758 | NV next, every; |
|
|
1759 | } PerlIOCede; |
|
|
1760 | |
|
|
1761 | static IV |
|
|
1762 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
|
|
1763 | { |
|
|
1764 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1765 | |
|
|
1766 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
|
|
1767 | self->next = nvtime () + self->every; |
|
|
1768 | |
|
|
1769 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
|
|
1770 | } |
|
|
1771 | |
|
|
1772 | static SV * |
|
|
1773 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
|
|
1774 | { |
|
|
1775 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1776 | |
|
|
1777 | return newSVnv (self->every); |
|
|
1778 | } |
|
|
1779 | |
|
|
1780 | static IV |
|
|
1781 | PerlIOCede_flush (pTHX_ PerlIO *f) |
|
|
1782 | { |
|
|
1783 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1784 | double now = nvtime (); |
|
|
1785 | |
|
|
1786 | if (now >= self->next) |
|
|
1787 | { |
|
|
1788 | api_cede (); |
|
|
1789 | self->next = now + self->every; |
|
|
1790 | } |
|
|
1791 | |
|
|
1792 | return PerlIOBuf_flush (aTHX_ f); |
|
|
1793 | } |
|
|
1794 | |
|
|
1795 | static PerlIO_funcs PerlIO_cede = |
|
|
1796 | { |
|
|
1797 | sizeof(PerlIO_funcs), |
|
|
1798 | "cede", |
|
|
1799 | sizeof(PerlIOCede), |
|
|
1800 | PERLIO_K_DESTRUCT | PERLIO_K_RAW, |
|
|
1801 | PerlIOCede_pushed, |
|
|
1802 | PerlIOBuf_popped, |
|
|
1803 | PerlIOBuf_open, |
|
|
1804 | PerlIOBase_binmode, |
|
|
1805 | PerlIOCede_getarg, |
|
|
1806 | PerlIOBase_fileno, |
|
|
1807 | PerlIOBuf_dup, |
|
|
1808 | PerlIOBuf_read, |
|
|
1809 | PerlIOBuf_unread, |
|
|
1810 | PerlIOBuf_write, |
|
|
1811 | PerlIOBuf_seek, |
|
|
1812 | PerlIOBuf_tell, |
|
|
1813 | PerlIOBuf_close, |
|
|
1814 | PerlIOCede_flush, |
|
|
1815 | PerlIOBuf_fill, |
|
|
1816 | PerlIOBase_eof, |
|
|
1817 | PerlIOBase_error, |
|
|
1818 | PerlIOBase_clearerr, |
|
|
1819 | PerlIOBase_setlinebuf, |
|
|
1820 | PerlIOBuf_get_base, |
|
|
1821 | PerlIOBuf_bufsiz, |
|
|
1822 | PerlIOBuf_get_ptr, |
|
|
1823 | PerlIOBuf_get_cnt, |
|
|
1824 | PerlIOBuf_set_ptrcnt, |
|
|
1825 | }; |
|
|
1826 | |
|
|
1827 | /*****************************************************************************/ |
|
|
1828 | |
|
|
1829 | static const CV *ssl_cv; /* for quick consistency check */ |
|
|
1830 | |
|
|
1831 | static UNOP ssl_restore; /* restore stack as entersub did, for first-re-run */ |
|
|
1832 | static SV *ssl_arg0; |
|
|
1833 | static SV *ssl_arg1; |
|
|
1834 | |
|
|
1835 | /* this restores the stack in the case we patched the entersub, to */ |
|
|
1836 | /* recreate the stack frame as perl will on following calls */ |
|
|
1837 | /* since entersub cleared the stack */ |
|
|
1838 | static OP * |
|
|
1839 | pp_restore (pTHX) |
|
|
1840 | { |
|
|
1841 | dSP; |
|
|
1842 | |
|
|
1843 | PUSHMARK (SP); |
|
|
1844 | |
|
|
1845 | EXTEND (SP, 3); |
|
|
1846 | if (ssl_arg0) PUSHs (sv_2mortal (ssl_arg0)), ssl_arg0 = 0; |
|
|
1847 | if (ssl_arg1) PUSHs (sv_2mortal (ssl_arg1)), ssl_arg1 = 0; |
|
|
1848 | PUSHs ((SV *)CvGV (ssl_cv)); |
|
|
1849 | |
|
|
1850 | RETURNOP (ssl_restore.op_first); |
|
|
1851 | } |
|
|
1852 | |
|
|
1853 | /* declare prototype */ |
|
|
1854 | XS(XS_Coro__State__set_stacklevel); |
|
|
1855 | |
|
|
1856 | static OP * |
|
|
1857 | pp_set_stacklevel (pTHX) |
|
|
1858 | { |
|
|
1859 | dSP; |
|
|
1860 | struct transfer_args ta; |
|
|
1861 | SV **arg = PL_stack_base + TOPMARK + 1; |
|
|
1862 | int items = SP - arg; /* args without function object */ |
|
|
1863 | |
|
|
1864 | /* do a quick consistency check on the "function" object, and if it isn't */ |
|
|
1865 | /* for us, divert to the real entersub */ |
|
|
1866 | if (SvTYPE (*sp) != SVt_PVGV || CvXSUB (GvCV (*sp)) != XS_Coro__State__set_stacklevel) |
|
|
1867 | return PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
1868 | |
|
|
1869 | /* pop args */ |
|
|
1870 | SP = PL_stack_base + POPMARK; |
|
|
1871 | |
|
|
1872 | if (!(PL_op->op_flags & OPf_STACKED)) |
|
|
1873 | { |
|
|
1874 | /* ampersand-form of call, use @_ instead of stack */ |
|
|
1875 | AV *av = GvAV (PL_defgv); |
|
|
1876 | arg = AvARRAY (av); |
|
|
1877 | items = AvFILLp (av) + 1; |
|
|
1878 | } |
|
|
1879 | |
|
|
1880 | PUTBACK; |
|
|
1881 | switch (PL_op->op_private & 7) |
|
|
1882 | { |
|
|
1883 | case 0: |
|
|
1884 | prepare_set_stacklevel (&ta, (struct coro_cctx *)SvIV (arg [0])); |
|
|
1885 | break; |
|
|
1886 | |
|
|
1887 | case 1: |
|
|
1888 | if (items != 2) |
|
|
1889 | croak ("Coro::State::transfer (prev, next) expects two arguments, not %d.", items); |
|
|
1890 | |
|
|
1891 | prepare_transfer (aTHX_ &ta, arg [0], arg [1]); |
|
|
1892 | break; |
|
|
1893 | |
|
|
1894 | case 2: |
|
|
1895 | prepare_schedule (aTHX_ &ta); |
|
|
1896 | break; |
|
|
1897 | |
|
|
1898 | case 3: |
|
|
1899 | prepare_cede (aTHX_ &ta); |
|
|
1900 | break; |
|
|
1901 | |
|
|
1902 | case 4: |
|
|
1903 | if (!prepare_cede_notself (aTHX_ &ta)) |
|
|
1904 | goto skip; |
|
|
1905 | |
|
|
1906 | break; |
|
|
1907 | } |
|
|
1908 | |
|
|
1909 | TRANSFER (ta, 0); |
|
|
1910 | SPAGAIN; |
|
|
1911 | |
|
|
1912 | skip: |
|
|
1913 | PUTBACK; |
|
|
1914 | SSL_TAIL; |
|
|
1915 | SPAGAIN; |
|
|
1916 | RETURN; |
|
|
1917 | } |
|
|
1918 | |
1550 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1919 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1551 | |
1920 | |
1552 | PROTOTYPES: DISABLE |
1921 | PROTOTYPES: DISABLE |
1553 | |
|
|
1554 | BOOT: |
|
|
1555 | { |
|
|
1556 | #ifdef USE_ITHREADS |
|
|
1557 | MUTEX_INIT (&coro_mutex); |
|
|
1558 | #endif |
|
|
1559 | BOOT_PAGESIZE; |
|
|
1560 | |
|
|
1561 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
|
|
1562 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
|
|
1563 | |
|
|
1564 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; |
|
|
1565 | PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
|
|
1566 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; |
|
|
1567 | PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
|
|
1568 | |
|
|
1569 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
1570 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
|
|
1571 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
|
|
1572 | |
|
|
1573 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
|
|
1574 | |
|
|
1575 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
|
|
1576 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
|
|
1577 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
|
|
1578 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
|
|
1579 | |
|
|
1580 | main_mainstack = PL_mainstack; |
|
|
1581 | main_top_env = PL_top_env; |
|
|
1582 | |
|
|
1583 | while (main_top_env->je_prev) |
|
|
1584 | main_top_env = main_top_env->je_prev; |
|
|
1585 | |
|
|
1586 | coroapi.ver = CORO_API_VERSION; |
|
|
1587 | coroapi.rev = CORO_API_REVISION; |
|
|
1588 | coroapi.transfer = api_transfer; |
|
|
1589 | |
|
|
1590 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
|
|
1591 | } |
|
|
1592 | |
|
|
1593 | SV * |
|
|
1594 | new (char *klass, ...) |
|
|
1595 | CODE: |
|
|
1596 | { |
|
|
1597 | struct coro *coro; |
|
|
1598 | MAGIC *mg; |
|
|
1599 | HV *hv; |
|
|
1600 | int i; |
|
|
1601 | |
|
|
1602 | Newz (0, coro, 1, struct coro); |
|
|
1603 | coro->args = newAV (); |
|
|
1604 | coro->flags = CF_NEW; |
|
|
1605 | |
|
|
1606 | if (coro_first) coro_first->prev = coro; |
|
|
1607 | coro->next = coro_first; |
|
|
1608 | coro_first = coro; |
|
|
1609 | |
|
|
1610 | coro->hv = hv = newHV (); |
|
|
1611 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
1612 | mg->mg_flags |= MGf_DUP; |
|
|
1613 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
1614 | |
|
|
1615 | av_extend (coro->args, items - 1); |
|
|
1616 | for (i = 1; i < items; i++) |
|
|
1617 | av_push (coro->args, newSVsv (ST (i))); |
|
|
1618 | } |
|
|
1619 | OUTPUT: |
|
|
1620 | RETVAL |
|
|
1621 | |
1922 | |
1622 | # these not obviously related functions are all rolled into the same xs |
1923 | # these not obviously related functions are all rolled into the same xs |
1623 | # function to increase chances that they all will call transfer with the same |
1924 | # function to increase chances that they all will call transfer with the same |
1624 | # stack offset |
1925 | # stack offset |
1625 | void |
1926 | void |
… | |
… | |
1629 | Coro::schedule = 2 |
1930 | Coro::schedule = 2 |
1630 | Coro::cede = 3 |
1931 | Coro::cede = 3 |
1631 | Coro::cede_notself = 4 |
1932 | Coro::cede_notself = 4 |
1632 | CODE: |
1933 | CODE: |
1633 | { |
1934 | { |
1634 | struct transfer_args ta; |
1935 | assert (("FATAL: ssl call recursion in Coro module (please report)", PL_op->op_ppaddr != pp_set_stacklevel)); |
1635 | |
1936 | |
1636 | PUTBACK; |
1937 | /* we patch the op, and then re-run the whole call */ |
1637 | switch (ix) |
1938 | /* we have to put some dummy argument on the stack for this to work */ |
|
|
1939 | /* TODO: walk back the opcode chain (but how?), nuke the pp_gv etc. */ |
|
|
1940 | ssl_restore.op_next = (OP *)&ssl_restore; |
|
|
1941 | ssl_restore.op_type = OP_NULL; |
|
|
1942 | ssl_restore.op_ppaddr = pp_restore; |
|
|
1943 | ssl_restore.op_first = PL_op; |
|
|
1944 | |
|
|
1945 | ssl_arg0 = items > 0 ? SvREFCNT_inc (ST (0)) : 0; |
|
|
1946 | ssl_arg1 = items > 1 ? SvREFCNT_inc (ST (1)) : 0; |
|
|
1947 | |
|
|
1948 | PL_op->op_ppaddr = pp_set_stacklevel; |
|
|
1949 | PL_op->op_private = PL_op->op_private & ~7 | ix; /* we potentially share our private flags with entersub */ |
|
|
1950 | |
|
|
1951 | PL_op = (OP *)&ssl_restore; |
|
|
1952 | } |
|
|
1953 | |
|
|
1954 | BOOT: |
|
|
1955 | { |
|
|
1956 | #ifdef USE_ITHREADS |
|
|
1957 | MUTEX_INIT (&coro_lock); |
|
|
1958 | # if CORO_PTHREAD |
|
|
1959 | coro_thx = PERL_GET_CONTEXT; |
|
|
1960 | # endif |
|
|
1961 | #endif |
|
|
1962 | BOOT_PAGESIZE; |
|
|
1963 | |
|
|
1964 | ssl_cv = get_cv ("Coro::State::_set_stacklevel", 0); |
|
|
1965 | |
|
|
1966 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
|
|
1967 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
|
|
1968 | |
|
|
1969 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
|
|
1970 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
|
|
1971 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
|
|
1972 | |
|
|
1973 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
1974 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
|
|
1975 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
|
|
1976 | |
|
|
1977 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
|
|
1978 | |
|
|
1979 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
|
|
1980 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
|
|
1981 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
|
|
1982 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
|
|
1983 | |
|
|
1984 | main_mainstack = PL_mainstack; |
|
|
1985 | main_top_env = PL_top_env; |
|
|
1986 | |
|
|
1987 | while (main_top_env->je_prev) |
|
|
1988 | main_top_env = main_top_env->je_prev; |
|
|
1989 | |
|
|
1990 | coroapi.ver = CORO_API_VERSION; |
|
|
1991 | coroapi.rev = CORO_API_REVISION; |
|
|
1992 | coroapi.transfer = api_transfer; |
|
|
1993 | |
1638 | { |
1994 | { |
1639 | case 0: |
1995 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
1640 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
|
|
1641 | ta.next = 0; |
|
|
1642 | break; |
|
|
1643 | |
1996 | |
1644 | case 1: |
1997 | if (!svp) croak ("Time::HiRes is required"); |
1645 | if (items != 2) |
1998 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
1646 | croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); |
|
|
1647 | |
1999 | |
1648 | prepare_transfer (aTHX_ &ta, ST (0), ST (1)); |
2000 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
1649 | break; |
|
|
1650 | |
|
|
1651 | case 2: |
|
|
1652 | prepare_schedule (aTHX_ &ta); |
|
|
1653 | break; |
|
|
1654 | |
|
|
1655 | case 3: |
|
|
1656 | prepare_cede (aTHX_ &ta); |
|
|
1657 | break; |
|
|
1658 | |
|
|
1659 | case 4: |
|
|
1660 | if (!prepare_cede_notself (aTHX_ &ta)) |
|
|
1661 | XSRETURN_EMPTY; |
|
|
1662 | |
|
|
1663 | break; |
|
|
1664 | } |
2001 | } |
1665 | SPAGAIN; |
|
|
1666 | |
2002 | |
1667 | BARRIER; |
2003 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1668 | PUTBACK; |
|
|
1669 | TRANSFER (ta, 0); |
|
|
1670 | SPAGAIN; /* might be the sp of a different coroutine now */ |
|
|
1671 | /* be extra careful not to ever do anything after TRANSFER */ |
|
|
1672 | } |
2004 | } |
|
|
2005 | |
|
|
2006 | SV * |
|
|
2007 | new (char *klass, ...) |
|
|
2008 | CODE: |
|
|
2009 | { |
|
|
2010 | struct coro *coro; |
|
|
2011 | MAGIC *mg; |
|
|
2012 | HV *hv; |
|
|
2013 | int i; |
|
|
2014 | |
|
|
2015 | Newz (0, coro, 1, struct coro); |
|
|
2016 | coro->args = newAV (); |
|
|
2017 | coro->flags = CF_NEW; |
|
|
2018 | |
|
|
2019 | if (coro_first) coro_first->prev = coro; |
|
|
2020 | coro->next = coro_first; |
|
|
2021 | coro_first = coro; |
|
|
2022 | |
|
|
2023 | coro->hv = hv = newHV (); |
|
|
2024 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2025 | mg->mg_flags |= MGf_DUP; |
|
|
2026 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
2027 | |
|
|
2028 | av_extend (coro->args, items - 1); |
|
|
2029 | for (i = 1; i < items; i++) |
|
|
2030 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2031 | } |
|
|
2032 | OUTPUT: |
|
|
2033 | RETVAL |
1673 | |
2034 | |
1674 | bool |
2035 | bool |
1675 | _destroy (SV *coro_sv) |
2036 | _destroy (SV *coro_sv) |
1676 | CODE: |
2037 | CODE: |
1677 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
2038 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1678 | OUTPUT: |
2039 | OUTPUT: |
1679 | RETVAL |
2040 | RETVAL |
1680 | |
2041 | |
1681 | void |
2042 | void |
1682 | _exit (code) |
2043 | _exit (int code) |
1683 | int code |
|
|
1684 | PROTOTYPE: $ |
2044 | PROTOTYPE: $ |
1685 | CODE: |
2045 | CODE: |
1686 | _exit (code); |
2046 | _exit (code); |
1687 | |
2047 | |
1688 | int |
2048 | int |
1689 | cctx_stacksize (int new_stacksize = 0) |
2049 | cctx_stacksize (int new_stacksize = 0) |
1690 | CODE: |
2050 | CODE: |
1691 | RETVAL = coro_stacksize; |
2051 | RETVAL = cctx_stacksize; |
1692 | if (new_stacksize) |
2052 | if (new_stacksize) |
|
|
2053 | { |
1693 | coro_stacksize = new_stacksize; |
2054 | cctx_stacksize = new_stacksize; |
|
|
2055 | ++cctx_gen; |
|
|
2056 | } |
|
|
2057 | OUTPUT: |
|
|
2058 | RETVAL |
|
|
2059 | |
|
|
2060 | int |
|
|
2061 | cctx_max_idle (int max_idle = 0) |
|
|
2062 | CODE: |
|
|
2063 | RETVAL = cctx_max_idle; |
|
|
2064 | if (max_idle > 1) |
|
|
2065 | cctx_max_idle = max_idle; |
1694 | OUTPUT: |
2066 | OUTPUT: |
1695 | RETVAL |
2067 | RETVAL |
1696 | |
2068 | |
1697 | int |
2069 | int |
1698 | cctx_count () |
2070 | cctx_count () |
… | |
… | |
1722 | call (Coro::State coro, SV *coderef) |
2094 | call (Coro::State coro, SV *coderef) |
1723 | ALIAS: |
2095 | ALIAS: |
1724 | eval = 1 |
2096 | eval = 1 |
1725 | CODE: |
2097 | CODE: |
1726 | { |
2098 | { |
1727 | if (coro->mainstack) |
2099 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
1728 | { |
2100 | { |
1729 | struct coro temp; |
2101 | struct coro temp; |
1730 | |
2102 | |
1731 | if (!(coro->flags & CF_RUNNING)) |
2103 | if (!(coro->flags & CF_RUNNING)) |
1732 | { |
2104 | { |
… | |
… | |
1776 | RETVAL = boolSV (coro->flags & ix); |
2148 | RETVAL = boolSV (coro->flags & ix); |
1777 | OUTPUT: |
2149 | OUTPUT: |
1778 | RETVAL |
2150 | RETVAL |
1779 | |
2151 | |
1780 | void |
2152 | void |
|
|
2153 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
2154 | PROTOTYPE: $;$ |
|
|
2155 | CODE: |
|
|
2156 | SvREFCNT_dec (self->throw); |
|
|
2157 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
2158 | |
|
|
2159 | void |
1781 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
2160 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
1782 | |
2161 | |
1783 | SV * |
2162 | SV * |
1784 | has_stack (Coro::State coro) |
2163 | has_cctx (Coro::State coro) |
1785 | PROTOTYPE: $ |
2164 | PROTOTYPE: $ |
1786 | CODE: |
2165 | CODE: |
1787 | RETVAL = boolSV (!!coro->cctx); |
2166 | RETVAL = boolSV (!!coro->cctx); |
1788 | OUTPUT: |
2167 | OUTPUT: |
1789 | RETVAL |
2168 | RETVAL |
… | |
… | |
1794 | CODE: |
2173 | CODE: |
1795 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
2174 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
1796 | OUTPUT: |
2175 | OUTPUT: |
1797 | RETVAL |
2176 | RETVAL |
1798 | |
2177 | |
1799 | IV |
2178 | UV |
1800 | rss (Coro::State coro) |
2179 | rss (Coro::State coro) |
1801 | PROTOTYPE: $ |
2180 | PROTOTYPE: $ |
1802 | ALIAS: |
2181 | ALIAS: |
1803 | usecount = 1 |
2182 | usecount = 1 |
1804 | CODE: |
2183 | CODE: |
… | |
… | |
1814 | force_cctx () |
2193 | force_cctx () |
1815 | CODE: |
2194 | CODE: |
1816 | struct coro *coro = SvSTATE (coro_current); |
2195 | struct coro *coro = SvSTATE (coro_current); |
1817 | coro->cctx->idle_sp = 0; |
2196 | coro->cctx->idle_sp = 0; |
1818 | |
2197 | |
1819 | MODULE = Coro::State PACKAGE = Coro |
|
|
1820 | |
|
|
1821 | BOOT: |
|
|
1822 | { |
|
|
1823 | int i; |
|
|
1824 | |
|
|
1825 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
|
|
1826 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
|
|
1827 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
1828 | |
|
|
1829 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
|
|
1830 | SvREADONLY_on (coro_current); |
|
|
1831 | |
|
|
1832 | coro_stash = gv_stashpv ("Coro", TRUE); |
|
|
1833 | |
|
|
1834 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
|
|
1835 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
|
|
1836 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
|
|
1837 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
|
|
1838 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
|
|
1839 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
|
|
1840 | |
|
|
1841 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
1842 | coro_ready[i] = newAV (); |
|
|
1843 | |
|
|
1844 | { |
|
|
1845 | SV *sv = perl_get_sv ("Coro::API", TRUE); |
|
|
1846 | perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */ |
|
|
1847 | |
|
|
1848 | coroapi.schedule = api_schedule; |
|
|
1849 | coroapi.cede = api_cede; |
|
|
1850 | coroapi.cede_notself = api_cede_notself; |
|
|
1851 | coroapi.ready = api_ready; |
|
|
1852 | coroapi.is_ready = api_is_ready; |
|
|
1853 | coroapi.nready = &coro_nready; |
|
|
1854 | coroapi.current = coro_current; |
|
|
1855 | |
|
|
1856 | GCoroAPI = &coroapi; |
|
|
1857 | sv_setiv (sv, (IV)&coroapi); |
|
|
1858 | SvREADONLY_on (sv); |
|
|
1859 | } |
|
|
1860 | } |
|
|
1861 | |
|
|
1862 | void |
|
|
1863 | _set_current (SV *current) |
|
|
1864 | PROTOTYPE: $ |
|
|
1865 | CODE: |
|
|
1866 | SvREFCNT_dec (SvRV (coro_current)); |
|
|
1867 | SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); |
|
|
1868 | |
|
|
1869 | int |
|
|
1870 | prio (Coro::State coro, int newprio = 0) |
|
|
1871 | ALIAS: |
|
|
1872 | nice = 1 |
|
|
1873 | CODE: |
|
|
1874 | { |
|
|
1875 | RETVAL = coro->prio; |
|
|
1876 | |
|
|
1877 | if (items > 1) |
|
|
1878 | { |
|
|
1879 | if (ix) |
|
|
1880 | newprio = coro->prio - newprio; |
|
|
1881 | |
|
|
1882 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
|
|
1883 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
|
|
1884 | |
|
|
1885 | coro->prio = newprio; |
|
|
1886 | } |
|
|
1887 | } |
|
|
1888 | OUTPUT: |
|
|
1889 | RETVAL |
|
|
1890 | |
|
|
1891 | SV * |
|
|
1892 | ready (SV *self) |
|
|
1893 | PROTOTYPE: $ |
|
|
1894 | CODE: |
|
|
1895 | RETVAL = boolSV (api_ready (self)); |
|
|
1896 | OUTPUT: |
|
|
1897 | RETVAL |
|
|
1898 | |
|
|
1899 | int |
|
|
1900 | nready (...) |
|
|
1901 | PROTOTYPE: |
|
|
1902 | CODE: |
|
|
1903 | RETVAL = coro_nready; |
|
|
1904 | OUTPUT: |
|
|
1905 | RETVAL |
|
|
1906 | |
|
|
1907 | void |
|
|
1908 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
1909 | PROTOTYPE: $;$ |
|
|
1910 | CODE: |
|
|
1911 | SvREFCNT_dec (self->throw); |
|
|
1912 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
1913 | |
|
|
1914 | void |
2198 | void |
1915 | swap_defsv (Coro::State self) |
2199 | swap_defsv (Coro::State self) |
1916 | PROTOTYPE: $ |
2200 | PROTOTYPE: $ |
1917 | ALIAS: |
2201 | ALIAS: |
1918 | swap_defav = 1 |
2202 | swap_defav = 1 |
… | |
… | |
1925 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
2209 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
1926 | |
2210 | |
1927 | SV *tmp = *src; *src = *dst; *dst = tmp; |
2211 | SV *tmp = *src; *src = *dst; *dst = tmp; |
1928 | } |
2212 | } |
1929 | |
2213 | |
|
|
2214 | MODULE = Coro::State PACKAGE = Coro |
|
|
2215 | |
|
|
2216 | BOOT: |
|
|
2217 | { |
|
|
2218 | int i; |
|
|
2219 | |
|
|
2220 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2221 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
|
|
2222 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
|
|
2223 | |
|
|
2224 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
|
|
2225 | SvREADONLY_on (coro_current); |
|
|
2226 | |
|
|
2227 | coro_stash = gv_stashpv ("Coro", TRUE); |
|
|
2228 | |
|
|
2229 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
|
|
2230 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
|
|
2231 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
|
|
2232 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
|
|
2233 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
|
|
2234 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
|
|
2235 | |
|
|
2236 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
2237 | coro_ready[i] = newAV (); |
|
|
2238 | |
|
|
2239 | { |
|
|
2240 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
|
|
2241 | |
|
|
2242 | coroapi.schedule = api_schedule; |
|
|
2243 | coroapi.cede = api_cede; |
|
|
2244 | coroapi.cede_notself = api_cede_notself; |
|
|
2245 | coroapi.ready = api_ready; |
|
|
2246 | coroapi.is_ready = api_is_ready; |
|
|
2247 | coroapi.nready = &coro_nready; |
|
|
2248 | coroapi.current = coro_current; |
|
|
2249 | |
|
|
2250 | GCoroAPI = &coroapi; |
|
|
2251 | sv_setiv (sv, (IV)&coroapi); |
|
|
2252 | SvREADONLY_on (sv); |
|
|
2253 | } |
|
|
2254 | } |
|
|
2255 | |
|
|
2256 | void |
|
|
2257 | _set_current (SV *current) |
|
|
2258 | PROTOTYPE: $ |
|
|
2259 | CODE: |
|
|
2260 | SvREFCNT_dec (SvRV (coro_current)); |
|
|
2261 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
|
|
2262 | |
|
|
2263 | void |
|
|
2264 | _set_readyhook (SV *hook) |
|
|
2265 | PROTOTYPE: $ |
|
|
2266 | CODE: |
|
|
2267 | LOCK; |
|
|
2268 | SvREFCNT_dec (coro_readyhook); |
|
|
2269 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
|
|
2270 | UNLOCK; |
|
|
2271 | |
|
|
2272 | int |
|
|
2273 | prio (Coro::State coro, int newprio = 0) |
|
|
2274 | ALIAS: |
|
|
2275 | nice = 1 |
|
|
2276 | CODE: |
|
|
2277 | { |
|
|
2278 | RETVAL = coro->prio; |
|
|
2279 | |
|
|
2280 | if (items > 1) |
|
|
2281 | { |
|
|
2282 | if (ix) |
|
|
2283 | newprio = coro->prio - newprio; |
|
|
2284 | |
|
|
2285 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
|
|
2286 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
|
|
2287 | |
|
|
2288 | coro->prio = newprio; |
|
|
2289 | } |
|
|
2290 | } |
|
|
2291 | OUTPUT: |
|
|
2292 | RETVAL |
|
|
2293 | |
|
|
2294 | SV * |
|
|
2295 | ready (SV *self) |
|
|
2296 | PROTOTYPE: $ |
|
|
2297 | CODE: |
|
|
2298 | RETVAL = boolSV (api_ready (self)); |
|
|
2299 | OUTPUT: |
|
|
2300 | RETVAL |
|
|
2301 | |
|
|
2302 | int |
|
|
2303 | nready (...) |
|
|
2304 | PROTOTYPE: |
|
|
2305 | CODE: |
|
|
2306 | RETVAL = coro_nready; |
|
|
2307 | OUTPUT: |
|
|
2308 | RETVAL |
|
|
2309 | |
1930 | # for async_pool speedup |
2310 | # for async_pool speedup |
1931 | void |
2311 | void |
1932 | _pool_1 (SV *cb) |
2312 | _pool_1 (SV *cb) |
1933 | CODE: |
2313 | CODE: |
1934 | { |
2314 | { |
… | |
… | |
1939 | AV *invoke_av; |
2319 | AV *invoke_av; |
1940 | int i, len; |
2320 | int i, len; |
1941 | |
2321 | |
1942 | if (!invoke) |
2322 | if (!invoke) |
1943 | { |
2323 | { |
1944 | SvREFCNT_dec (PL_diehook); PL_diehook = 0; |
2324 | SV *old = PL_diehook; |
|
|
2325 | PL_diehook = 0; |
|
|
2326 | SvREFCNT_dec (old); |
1945 | croak ("\3async_pool terminate\2\n"); |
2327 | croak ("\3async_pool terminate\2\n"); |
1946 | } |
2328 | } |
1947 | |
2329 | |
1948 | SvREFCNT_dec (coro->saved_deffh); |
2330 | SvREFCNT_dec (coro->saved_deffh); |
1949 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
2331 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
1950 | |
2332 | |
1951 | hv_store (hv, "desc", sizeof ("desc") - 1, |
2333 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1952 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
2334 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
1953 | |
2335 | |
1954 | invoke_av = (AV *)SvRV (invoke); |
2336 | invoke_av = (AV *)SvRV (invoke); |
… | |
… | |
1958 | |
2340 | |
1959 | if (len > 0) |
2341 | if (len > 0) |
1960 | { |
2342 | { |
1961 | av_fill (defav, len - 1); |
2343 | av_fill (defav, len - 1); |
1962 | for (i = 0; i < len; ++i) |
2344 | for (i = 0; i < len; ++i) |
1963 | av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); |
2345 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
1964 | } |
2346 | } |
1965 | |
2347 | |
1966 | SvREFCNT_dec (invoke); |
2348 | SvREFCNT_dec (invoke); |
1967 | } |
2349 | } |
1968 | |
2350 | |
… | |
… | |
1975 | sv_setsv (cb, &PL_sv_undef); |
2357 | sv_setsv (cb, &PL_sv_undef); |
1976 | |
2358 | |
1977 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2359 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1978 | coro->saved_deffh = 0; |
2360 | coro->saved_deffh = 0; |
1979 | |
2361 | |
1980 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
2362 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1981 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2363 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1982 | { |
2364 | { |
1983 | SvREFCNT_dec (PL_diehook); PL_diehook = 0; |
2365 | SV *old = PL_diehook; |
|
|
2366 | PL_diehook = 0; |
|
|
2367 | SvREFCNT_dec (old); |
1984 | croak ("\3async_pool terminate\2\n"); |
2368 | croak ("\3async_pool terminate\2\n"); |
1985 | } |
2369 | } |
1986 | |
2370 | |
1987 | av_clear (GvAV (PL_defgv)); |
2371 | av_clear (GvAV (PL_defgv)); |
1988 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
2372 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
… | |
… | |
1994 | api_trace (coro_current, 0); |
2378 | api_trace (coro_current, 0); |
1995 | |
2379 | |
1996 | av_push (av_async_pool, newSVsv (coro_current)); |
2380 | av_push (av_async_pool, newSVsv (coro_current)); |
1997 | } |
2381 | } |
1998 | |
2382 | |
|
|
2383 | #if 0 |
|
|
2384 | |
|
|
2385 | void |
|
|
2386 | _generator_call (...) |
|
|
2387 | PROTOTYPE: @ |
|
|
2388 | PPCODE: |
|
|
2389 | fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr); |
|
|
2390 | xxxx |
|
|
2391 | abort (); |
|
|
2392 | |
|
|
2393 | SV * |
|
|
2394 | gensub (SV *sub, ...) |
|
|
2395 | PROTOTYPE: &;@ |
|
|
2396 | CODE: |
|
|
2397 | { |
|
|
2398 | struct coro *coro; |
|
|
2399 | MAGIC *mg; |
|
|
2400 | CV *xcv; |
|
|
2401 | CV *ncv = (CV *)newSV_type (SVt_PVCV); |
|
|
2402 | int i; |
|
|
2403 | |
|
|
2404 | CvGV (ncv) = CvGV (cv); |
|
|
2405 | CvFILE (ncv) = CvFILE (cv); |
|
|
2406 | |
|
|
2407 | Newz (0, coro, 1, struct coro); |
|
|
2408 | coro->args = newAV (); |
|
|
2409 | coro->flags = CF_NEW; |
|
|
2410 | |
|
|
2411 | av_extend (coro->args, items - 1); |
|
|
2412 | for (i = 1; i < items; i++) |
|
|
2413 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2414 | |
|
|
2415 | CvISXSUB_on (ncv); |
|
|
2416 | CvXSUBANY (ncv).any_ptr = (void *)coro; |
|
|
2417 | |
|
|
2418 | xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV)); |
|
|
2419 | |
|
|
2420 | CvXSUB (ncv) = CvXSUB (xcv); |
|
|
2421 | CvANON_on (ncv); |
|
|
2422 | |
|
|
2423 | mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0); |
|
|
2424 | RETVAL = newRV_noinc ((SV *)ncv); |
|
|
2425 | } |
|
|
2426 | OUTPUT: |
|
|
2427 | RETVAL |
|
|
2428 | |
|
|
2429 | #endif |
|
|
2430 | |
1999 | |
2431 | |
2000 | MODULE = Coro::State PACKAGE = Coro::AIO |
2432 | MODULE = Coro::State PACKAGE = Coro::AIO |
2001 | |
2433 | |
2002 | SV * |
2434 | void |
2003 | _get_state () |
2435 | _get_state (SV *self) |
2004 | CODE: |
2436 | PPCODE: |
2005 | { |
2437 | { |
2006 | struct io_state *data; |
2438 | AV *defav = GvAV (PL_defgv); |
2007 | |
2439 | AV *av = newAV (); |
|
|
2440 | int i; |
2008 | RETVAL = newSV (sizeof (struct io_state)); |
2441 | SV *data_sv = newSV (sizeof (struct io_state)); |
2009 | data = (struct io_state *)SvPVX (RETVAL); |
2442 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
2010 | SvCUR_set (RETVAL, sizeof (struct io_state)); |
2443 | SvCUR_set (data_sv, sizeof (struct io_state)); |
2011 | SvPOK_only (RETVAL); |
2444 | SvPOK_only (data_sv); |
2012 | |
2445 | |
2013 | data->errorno = errno; |
2446 | data->errorno = errno; |
2014 | data->laststype = PL_laststype; |
2447 | data->laststype = PL_laststype; |
2015 | data->laststatval = PL_laststatval; |
2448 | data->laststatval = PL_laststatval; |
2016 | data->statcache = PL_statcache; |
2449 | data->statcache = PL_statcache; |
|
|
2450 | |
|
|
2451 | av_extend (av, AvFILLp (defav) + 1 + 1); |
|
|
2452 | |
|
|
2453 | for (i = 0; i <= AvFILLp (defav); ++i) |
|
|
2454 | av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i])); |
|
|
2455 | |
|
|
2456 | av_push (av, data_sv); |
|
|
2457 | |
|
|
2458 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
2459 | |
|
|
2460 | api_ready (self); |
2017 | } |
2461 | } |
2018 | OUTPUT: |
|
|
2019 | RETVAL |
|
|
2020 | |
2462 | |
2021 | void |
2463 | void |
2022 | _set_state (char *data_) |
2464 | _set_state (SV *state) |
2023 | PROTOTYPE: $ |
2465 | PROTOTYPE: $ |
2024 | CODE: |
2466 | PPCODE: |
2025 | { |
2467 | { |
2026 | struct io_state *data = (void *)data_; |
2468 | AV *av = (AV *)SvRV (state); |
|
|
2469 | struct io_state *data = (struct io_state *)SvPVX (AvARRAY (av)[AvFILLp (av)]); |
|
|
2470 | int i; |
2027 | |
2471 | |
2028 | errno = data->errorno; |
2472 | errno = data->errorno; |
2029 | PL_laststype = data->laststype; |
2473 | PL_laststype = data->laststype; |
2030 | PL_laststatval = data->laststatval; |
2474 | PL_laststatval = data->laststatval; |
2031 | PL_statcache = data->statcache; |
2475 | PL_statcache = data->statcache; |
2032 | } |
|
|
2033 | |
2476 | |
|
|
2477 | EXTEND (SP, AvFILLp (av)); |
|
|
2478 | for (i = 0; i < AvFILLp (av); ++i) |
|
|
2479 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i]))); |
|
|
2480 | } |
|
|
2481 | |
|
|
2482 | |
|
|
2483 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
|
|
2484 | |
|
|
2485 | BOOT: |
|
|
2486 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
|
|
2487 | |
|
|
2488 | SV * |
|
|
2489 | _schedule (...) |
|
|
2490 | PROTOTYPE: @ |
|
|
2491 | CODE: |
|
|
2492 | { |
|
|
2493 | static int incede; |
|
|
2494 | |
|
|
2495 | api_cede_notself (); |
|
|
2496 | |
|
|
2497 | ++incede; |
|
|
2498 | while (coro_nready >= incede && api_cede ()) |
|
|
2499 | ; |
|
|
2500 | |
|
|
2501 | sv_setsv (sv_activity, &PL_sv_undef); |
|
|
2502 | if (coro_nready >= incede) |
|
|
2503 | { |
|
|
2504 | PUSHMARK (SP); |
|
|
2505 | PUTBACK; |
|
|
2506 | call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL); |
|
|
2507 | SPAGAIN; |
|
|
2508 | } |
|
|
2509 | |
|
|
2510 | --incede; |
|
|
2511 | } |
|
|
2512 | |
|
|
2513 | |
|
|
2514 | MODULE = Coro::State PACKAGE = PerlIO::cede |
|
|
2515 | |
|
|
2516 | BOOT: |
|
|
2517 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
|
|
2518 | |