1 | #include "libcoro/coro.c" |
1 | #include "libcoro/coro.c" |
2 | |
2 | |
3 | #define PERL_NO_GET_CONTEXT |
3 | #define PERL_NO_GET_CONTEXT |
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4 | #define PERL_EXT |
4 | |
5 | |
5 | #include "EXTERN.h" |
6 | #include "EXTERN.h" |
6 | #include "perl.h" |
7 | #include "perl.h" |
7 | #include "XSUB.h" |
8 | #include "XSUB.h" |
8 | |
9 | |
9 | #include "patchlevel.h" |
10 | #include "patchlevel.h" |
10 | |
11 | |
11 | #include <stdio.h> |
12 | #include <stdio.h> |
12 | #include <errno.h> |
13 | #include <errno.h> |
13 | #include <assert.h> |
14 | #include <assert.h> |
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15 | #include <inttypes.h> /* portable stdint.h */ |
14 | |
16 | |
15 | #ifdef HAVE_MMAP |
17 | #ifdef HAVE_MMAP |
16 | # include <unistd.h> |
18 | # include <unistd.h> |
17 | # include <sys/mman.h> |
19 | # include <sys/mman.h> |
18 | # ifndef MAP_ANONYMOUS |
20 | # ifndef MAP_ANONYMOUS |
… | |
… | |
75 | /* 5.8.7 */ |
77 | /* 5.8.7 */ |
76 | #ifndef SvRV_set |
78 | #ifndef SvRV_set |
77 | # define SvRV_set(s,v) SvRV(s) = (v) |
79 | # define SvRV_set(s,v) SvRV(s) = (v) |
78 | #endif |
80 | #endif |
79 | |
81 | |
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82 | /* 5.8.8 */ |
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83 | #ifndef GV_NOTQUAL |
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84 | # define GV_NOTQUAL 0 |
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85 | #endif |
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86 | #ifndef newSV |
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87 | # define newSV(l) NEWSV(0,l) |
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88 | #endif |
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89 | |
80 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
90 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
81 | # undef CORO_STACKGUARD |
91 | # undef CORO_STACKGUARD |
82 | #endif |
92 | #endif |
83 | |
93 | |
84 | #ifndef CORO_STACKGUARD |
94 | #ifndef CORO_STACKGUARD |
… | |
… | |
98 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
108 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
99 | |
109 | |
100 | #if __GNUC__ >= 3 |
110 | #if __GNUC__ >= 3 |
101 | # define attribute(x) __attribute__(x) |
111 | # define attribute(x) __attribute__(x) |
102 | # define BARRIER __asm__ __volatile__ ("" : : : "memory") |
112 | # define BARRIER __asm__ __volatile__ ("" : : : "memory") |
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113 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
103 | #else |
114 | #else |
104 | # define attribute(x) |
115 | # define attribute(x) |
105 | # define BARRIER |
116 | # define BARRIER |
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117 | # define expect(expr,value) (expr) |
106 | #endif |
118 | #endif |
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119 | |
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120 | #define expect_false(expr) expect ((expr) != 0, 0) |
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121 | #define expect_true(expr) expect ((expr) != 0, 1) |
107 | |
122 | |
108 | #define NOINLINE attribute ((noinline)) |
123 | #define NOINLINE attribute ((noinline)) |
109 | |
124 | |
110 | #include "CoroAPI.h" |
125 | #include "CoroAPI.h" |
111 | |
126 | |
… | |
… | |
132 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
147 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
133 | static JMPENV *main_top_env; |
148 | static JMPENV *main_top_env; |
134 | static HV *coro_state_stash, *coro_stash; |
149 | static HV *coro_state_stash, *coro_stash; |
135 | static SV *coro_mortal; /* will be freed after next transfer */ |
150 | static SV *coro_mortal; /* will be freed after next transfer */ |
136 | |
151 | |
137 | static GV *irsgv; /* $/ */ |
152 | static GV *irsgv; /* $/ */ |
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153 | static GV *stdoutgv; /* *STDOUT */ |
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154 | |
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155 | static HV *hv_sig; /* %SIG */ |
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156 | static SV *sv_diehook; |
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157 | static SV *sv_warnhook; |
138 | |
158 | |
139 | /* async_pool helper stuff */ |
159 | /* async_pool helper stuff */ |
140 | static SV *sv_pool_rss; |
160 | static SV *sv_pool_rss; |
141 | static SV *sv_pool_size; |
161 | static SV *sv_pool_size; |
142 | static AV *av_async_pool; |
162 | static AV *av_async_pool; |
… | |
… | |
178 | CF_READY = 0x0002, /* coroutine is ready */ |
198 | CF_READY = 0x0002, /* coroutine is ready */ |
179 | CF_NEW = 0x0004, /* has never been switched to */ |
199 | CF_NEW = 0x0004, /* has never been switched to */ |
180 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
200 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
181 | }; |
201 | }; |
182 | |
202 | |
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203 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
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204 | typedef struct { |
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205 | SV *defsv; |
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206 | AV *defav; |
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207 | SV *errsv; |
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208 | SV *irsgv; |
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209 | #define VAR(name,type) type name; |
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210 | # include "state.h" |
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211 | #undef VAR |
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212 | } perl_slots; |
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213 | |
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214 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
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215 | |
183 | /* this is a structure representing a perl-level coroutine */ |
216 | /* this is a structure representing a perl-level coroutine */ |
184 | struct coro { |
217 | struct coro { |
185 | /* the c coroutine allocated to this perl coroutine, if any */ |
218 | /* the c coroutine allocated to this perl coroutine, if any */ |
186 | coro_cctx *cctx; |
219 | coro_cctx *cctx; |
187 | |
220 | |
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221 | /* process data */ |
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222 | AV *mainstack; |
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223 | perl_slots *slot; /* basically the saved sp */ |
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224 | |
188 | /* data associated with this coroutine (initial args) */ |
225 | AV *args; /* data associated with this coroutine (initial args) */ |
189 | AV *args; |
226 | int refcnt; /* coroutines are refcounted, yes */ |
190 | int refcnt; |
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191 | int flags; /* CF_ flags */ |
227 | int flags; /* CF_ flags */ |
192 | |
228 | HV *hv; /* the perl hash associated with this coro, if any */ |
193 | /* optionally saved, might be zero */ |
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194 | AV *defav; /* @_ */ |
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195 | SV *defsv; /* $_ */ |
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196 | SV *errsv; /* $@ */ |
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197 | IO *deffh; /* default filehandle */ |
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198 | SV *irssv; /* $/ */ |
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199 | SV *irssv_sv; /* real $/ cache */ |
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200 | |
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201 | #define VAR(name,type) type name; |
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202 | # include "state.h" |
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203 | #undef VAR |
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204 | |
229 | |
205 | /* statistics */ |
230 | /* statistics */ |
206 | int usecount; /* number of switches to this coro */ |
231 | int usecount; /* number of transfers to this coro */ |
207 | |
232 | |
208 | /* coro process data */ |
233 | /* coro process data */ |
209 | int prio; |
234 | int prio; |
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235 | SV *throw; /* exception to be thrown */ |
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236 | |
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237 | /* async_pool */ |
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238 | SV *saved_deffh; |
210 | |
239 | |
211 | /* linked list */ |
240 | /* linked list */ |
212 | struct coro *next, *prev; |
241 | struct coro *next, *prev; |
213 | HV *hv; /* the perl hash associated with this coro, if any */ |
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214 | }; |
242 | }; |
215 | |
243 | |
216 | typedef struct coro *Coro__State; |
244 | typedef struct coro *Coro__State; |
217 | typedef struct coro *Coro__State_or_hashref; |
245 | typedef struct coro *Coro__State_or_hashref; |
218 | |
246 | |
… | |
… | |
230 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
258 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
231 | static int coro_nready; |
259 | static int coro_nready; |
232 | static struct coro *coro_first; |
260 | static struct coro *coro_first; |
233 | |
261 | |
234 | /** lowlevel stuff **********************************************************/ |
262 | /** lowlevel stuff **********************************************************/ |
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263 | |
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264 | static SV * |
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265 | coro_get_sv (pTHX_ const char *name, int create) |
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266 | { |
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267 | #if PERL_VERSION_ATLEAST (5,9,0) |
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268 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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269 | get_sv (name, create); |
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270 | #endif |
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271 | return get_sv (name, create); |
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272 | } |
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273 | |
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274 | static AV * |
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275 | coro_get_av (pTHX_ const char *name, int create) |
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276 | { |
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277 | #if PERL_VERSION_ATLEAST (5,9,0) |
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278 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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279 | get_av (name, create); |
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280 | #endif |
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281 | return get_av (name, create); |
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282 | } |
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283 | |
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284 | static HV * |
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285 | coro_get_hv (pTHX_ const char *name, int create) |
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286 | { |
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287 | #if PERL_VERSION_ATLEAST (5,9,0) |
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288 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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289 | get_hv (name, create); |
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290 | #endif |
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291 | return get_hv (name, create); |
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292 | } |
235 | |
293 | |
236 | static AV * |
294 | static AV * |
237 | coro_clone_padlist (pTHX_ CV *cv) |
295 | coro_clone_padlist (pTHX_ CV *cv) |
238 | { |
296 | { |
239 | AV *padlist = CvPADLIST (cv); |
297 | AV *padlist = CvPADLIST (cv); |
… | |
… | |
312 | MAGIC *mg; |
370 | MAGIC *mg; |
313 | |
371 | |
314 | if (SvROK (coro)) |
372 | if (SvROK (coro)) |
315 | coro = SvRV (coro); |
373 | coro = SvRV (coro); |
316 | |
374 | |
317 | if (SvTYPE (coro) != SVt_PVHV) |
375 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
318 | croak ("Coro::State object required"); |
376 | croak ("Coro::State object required"); |
319 | |
377 | |
320 | stash = SvSTASH (coro); |
378 | stash = SvSTASH (coro); |
321 | if (stash != coro_stash && stash != coro_state_stash) |
379 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
322 | { |
380 | { |
323 | /* very slow, but rare, check */ |
381 | /* very slow, but rare, check */ |
324 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
382 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
325 | croak ("Coro::State object required"); |
383 | croak ("Coro::State object required"); |
326 | } |
384 | } |
… | |
… | |
336 | get_padlist (pTHX_ CV *cv) |
394 | get_padlist (pTHX_ CV *cv) |
337 | { |
395 | { |
338 | MAGIC *mg = CORO_MAGIC (cv); |
396 | MAGIC *mg = CORO_MAGIC (cv); |
339 | AV *av; |
397 | AV *av; |
340 | |
398 | |
341 | if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) |
399 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
342 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
400 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
343 | else |
401 | else |
344 | { |
402 | { |
345 | #if CORO_PREFER_PERL_FUNCTIONS |
403 | #if CORO_PREFER_PERL_FUNCTIONS |
346 | /* this is probably cleaner, but also slower? */ |
404 | /* this is probably cleaner, but also slower? */ |
… | |
… | |
358 | put_padlist (pTHX_ CV *cv) |
416 | put_padlist (pTHX_ CV *cv) |
359 | { |
417 | { |
360 | MAGIC *mg = CORO_MAGIC (cv); |
418 | MAGIC *mg = CORO_MAGIC (cv); |
361 | AV *av; |
419 | AV *av; |
362 | |
420 | |
363 | if (!mg) |
421 | if (expect_false (!mg)) |
364 | { |
422 | { |
365 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
423 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
366 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
424 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
367 | mg->mg_virtual = &vtbl_coro; |
425 | mg->mg_virtual = &vtbl_coro; |
368 | mg->mg_obj = (SV *)newAV (); |
426 | mg->mg_obj = (SV *)newAV (); |
369 | } |
427 | } |
370 | |
428 | |
371 | av = (AV *)mg->mg_obj; |
429 | av = (AV *)mg->mg_obj; |
372 | |
430 | |
373 | if (AvFILLp (av) >= AvMAX (av)) |
431 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
374 | av_extend (av, AvMAX (av) + 1); |
432 | av_extend (av, AvMAX (av) + 1); |
375 | |
433 | |
376 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
434 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
377 | } |
435 | } |
378 | |
436 | |
379 | /** load & save, init *******************************************************/ |
437 | /** load & save, init *******************************************************/ |
380 | |
438 | |
381 | static void |
439 | static void |
382 | load_perl (pTHX_ Coro__State c) |
440 | load_perl (pTHX_ Coro__State c) |
383 | { |
441 | { |
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442 | perl_slots *slot = c->slot; |
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443 | c->slot = 0; |
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444 | |
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445 | PL_mainstack = c->mainstack; |
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446 | |
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447 | GvSV (PL_defgv) = slot->defsv; |
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448 | GvAV (PL_defgv) = slot->defav; |
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449 | GvSV (PL_errgv) = slot->errsv; |
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450 | GvSV (irsgv) = slot->irsgv; |
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451 | |
384 | #define VAR(name,type) PL_ ## name = c->name; |
452 | #define VAR(name,type) PL_ ## name = slot->name; |
385 | # include "state.h" |
453 | # include "state.h" |
386 | #undef VAR |
454 | #undef VAR |
387 | |
455 | |
388 | GvSV (PL_defgv) = c->defsv; |
456 | /*hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);*/ |
389 | GvAV (PL_defgv) = c->defav; |
457 | /*hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);*/ |
390 | GvSV (PL_errgv) = c->errsv; |
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391 | GvIOp(PL_defoutgv) = c->deffh; |
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392 | PL_rs = c->irssv; |
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393 | GvSV (irsgv) = c->irssv_sv; |
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394 | |
458 | |
395 | { |
459 | { |
396 | dSP; |
460 | dSP; |
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461 | |
397 | CV *cv; |
462 | CV *cv; |
398 | |
463 | |
399 | /* now do the ugly restore mess */ |
464 | /* now do the ugly restore mess */ |
400 | while ((cv = (CV *)POPs)) |
465 | while (expect_true (cv = (CV *)POPs)) |
401 | { |
466 | { |
402 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
467 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
403 | CvDEPTH (cv) = PTR2IV (POPs); |
468 | CvDEPTH (cv) = PTR2IV (POPs); |
404 | CvPADLIST (cv) = (AV *)POPs; |
469 | CvPADLIST (cv) = (AV *)POPs; |
405 | } |
470 | } |
… | |
… | |
424 | |
489 | |
425 | XPUSHs (Nullsv); |
490 | XPUSHs (Nullsv); |
426 | /* this loop was inspired by pp_caller */ |
491 | /* this loop was inspired by pp_caller */ |
427 | for (;;) |
492 | for (;;) |
428 | { |
493 | { |
429 | while (cxix >= 0) |
494 | while (expect_true (cxix >= 0)) |
430 | { |
495 | { |
431 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
496 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
432 | |
497 | |
433 | if (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT) |
498 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
434 | { |
499 | { |
435 | CV *cv = cx->blk_sub.cv; |
500 | CV *cv = cx->blk_sub.cv; |
436 | |
501 | |
437 | if (CvDEPTH (cv)) |
502 | if (expect_true (CvDEPTH (cv))) |
438 | { |
503 | { |
439 | EXTEND (SP, 3); |
504 | EXTEND (SP, 3); |
440 | PUSHs ((SV *)CvPADLIST (cv)); |
505 | PUSHs ((SV *)CvPADLIST (cv)); |
441 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
506 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
442 | PUSHs ((SV *)cv); |
507 | PUSHs ((SV *)cv); |
… | |
… | |
445 | get_padlist (aTHX_ cv); |
510 | get_padlist (aTHX_ cv); |
446 | } |
511 | } |
447 | } |
512 | } |
448 | } |
513 | } |
449 | |
514 | |
450 | if (top_si->si_type == PERLSI_MAIN) |
515 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
451 | break; |
516 | break; |
452 | |
517 | |
453 | top_si = top_si->si_prev; |
518 | top_si = top_si->si_prev; |
454 | ccstk = top_si->si_cxstack; |
519 | ccstk = top_si->si_cxstack; |
455 | cxix = top_si->si_cxix; |
520 | cxix = top_si->si_cxix; |
456 | } |
521 | } |
457 | |
522 | |
458 | PUTBACK; |
523 | PUTBACK; |
459 | } |
524 | } |
460 | |
525 | |
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526 | /* allocate some space on the context stack for our purposes */ |
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527 | /* we manually unroll here, as usually 2 slots is enough */ |
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528 | if (SLOT_COUNT >= 1) CXINC; |
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529 | if (SLOT_COUNT >= 2) CXINC; |
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530 | if (SLOT_COUNT >= 3) CXINC; |
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531 | { |
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532 | int i; |
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533 | for (i = 3; i < SLOT_COUNT; ++i) |
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534 | CXINC; |
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535 | } |
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536 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
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537 | |
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538 | c->mainstack = PL_mainstack; |
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539 | |
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540 | { |
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541 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
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542 | |
461 | c->defav = GvAV (PL_defgv); |
543 | slot->defav = GvAV (PL_defgv); |
462 | c->defsv = DEFSV; |
544 | slot->defsv = DEFSV; |
463 | c->errsv = ERRSV; |
545 | slot->errsv = ERRSV; |
464 | c->deffh = GvIOp (PL_defoutgv); |
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465 | c->irssv = PL_rs; |
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466 | c->irssv_sv = GvSV (irsgv); |
546 | slot->irsgv = GvSV (irsgv); |
467 | |
547 | |
468 | #define VAR(name,type)c->name = PL_ ## name; |
548 | #define VAR(name,type) slot->name = PL_ ## name; |
469 | # include "state.h" |
549 | # include "state.h" |
470 | #undef VAR |
550 | #undef VAR |
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551 | } |
471 | } |
552 | } |
472 | |
553 | |
473 | /* |
554 | /* |
474 | * allocate various perl stacks. This is an exact copy |
555 | * allocate various perl stacks. This is an exact copy |
475 | * of perl.c:init_stacks, except that it uses less memory |
556 | * of perl.c:init_stacks, except that it uses less memory |
… | |
… | |
480 | # define coro_init_stacks init_stacks |
561 | # define coro_init_stacks init_stacks |
481 | #else |
562 | #else |
482 | static void |
563 | static void |
483 | coro_init_stacks (pTHX) |
564 | coro_init_stacks (pTHX) |
484 | { |
565 | { |
485 | PL_curstackinfo = new_stackinfo(64, 6); |
566 | PL_curstackinfo = new_stackinfo(32, 8); |
486 | PL_curstackinfo->si_type = PERLSI_MAIN; |
567 | PL_curstackinfo->si_type = PERLSI_MAIN; |
487 | PL_curstack = PL_curstackinfo->si_stack; |
568 | PL_curstack = PL_curstackinfo->si_stack; |
488 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
569 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
489 | |
570 | |
490 | PL_stack_base = AvARRAY(PL_curstack); |
571 | PL_stack_base = AvARRAY(PL_curstack); |
491 | PL_stack_sp = PL_stack_base; |
572 | PL_stack_sp = PL_stack_base; |
492 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
573 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
493 | |
574 | |
494 | New(50,PL_tmps_stack,64,SV*); |
575 | New(50,PL_tmps_stack,32,SV*); |
495 | PL_tmps_floor = -1; |
576 | PL_tmps_floor = -1; |
496 | PL_tmps_ix = -1; |
577 | PL_tmps_ix = -1; |
497 | PL_tmps_max = 64; |
578 | PL_tmps_max = 32; |
498 | |
579 | |
499 | New(54,PL_markstack,16,I32); |
580 | New(54,PL_markstack,16,I32); |
500 | PL_markstack_ptr = PL_markstack; |
581 | PL_markstack_ptr = PL_markstack; |
501 | PL_markstack_max = PL_markstack + 16; |
582 | PL_markstack_max = PL_markstack + 16; |
502 | |
583 | |
503 | #ifdef SET_MARK_OFFSET |
584 | #ifdef SET_MARK_OFFSET |
504 | SET_MARK_OFFSET; |
585 | SET_MARK_OFFSET; |
505 | #endif |
586 | #endif |
506 | |
587 | |
507 | New(54,PL_scopestack,16,I32); |
588 | New(54,PL_scopestack,8,I32); |
508 | PL_scopestack_ix = 0; |
589 | PL_scopestack_ix = 0; |
509 | PL_scopestack_max = 16; |
590 | PL_scopestack_max = 8; |
510 | |
591 | |
511 | New(54,PL_savestack,64,ANY); |
592 | New(54,PL_savestack,24,ANY); |
512 | PL_savestack_ix = 0; |
593 | PL_savestack_ix = 0; |
513 | PL_savestack_max = 64; |
594 | PL_savestack_max = 24; |
514 | |
595 | |
515 | #if !PERL_VERSION_ATLEAST (5,9,0) |
596 | #if !PERL_VERSION_ATLEAST (5,9,0) |
516 | New(54,PL_retstack,4,OP*); |
597 | New(54,PL_retstack,4,OP*); |
517 | PL_retstack_ix = 0; |
598 | PL_retstack_ix = 0; |
518 | PL_retstack_max = 4; |
599 | PL_retstack_max = 4; |
… | |
… | |
551 | } |
632 | } |
552 | |
633 | |
553 | static size_t |
634 | static size_t |
554 | coro_rss (pTHX_ struct coro *coro) |
635 | coro_rss (pTHX_ struct coro *coro) |
555 | { |
636 | { |
556 | size_t rss = sizeof (coro); |
637 | size_t rss = sizeof (*coro); |
557 | |
638 | |
558 | if (coro->mainstack) |
639 | if (coro->mainstack) |
559 | { |
640 | { |
|
|
641 | perl_slots tmp_slot; |
|
|
642 | perl_slots *slot; |
|
|
643 | |
560 | if (coro->flags & CF_RUNNING) |
644 | if (coro->flags & CF_RUNNING) |
561 | { |
645 | { |
|
|
646 | slot = &tmp_slot; |
|
|
647 | |
562 | #define VAR(name,type)coro->name = PL_ ## name; |
648 | #define VAR(name,type) slot->name = PL_ ## name; |
563 | # include "state.h" |
649 | # include "state.h" |
564 | #undef VAR |
650 | #undef VAR |
565 | } |
651 | } |
|
|
652 | else |
|
|
653 | slot = coro->slot; |
566 | |
654 | |
567 | rss += sizeof (coro->curstackinfo); |
655 | rss += sizeof (slot->curstackinfo); |
568 | rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); |
|
|
569 | rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
656 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
570 | rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
657 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
571 | rss += coro->tmps_max * sizeof (SV *); |
658 | rss += slot->tmps_max * sizeof (SV *); |
572 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
659 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
573 | rss += coro->scopestack_max * sizeof (I32); |
660 | rss += slot->scopestack_max * sizeof (I32); |
574 | rss += coro->savestack_max * sizeof (ANY); |
661 | rss += slot->savestack_max * sizeof (ANY); |
575 | |
662 | |
576 | #if !PERL_VERSION_ATLEAST (5,9,0) |
663 | #if !PERL_VERSION_ATLEAST (5,9,0) |
577 | rss += coro->retstack_max * sizeof (OP *); |
664 | rss += slot->retstack_max * sizeof (OP *); |
578 | #endif |
665 | #endif |
579 | } |
666 | } |
580 | |
667 | |
581 | return rss; |
668 | return rss; |
582 | } |
669 | } |
… | |
… | |
594 | PL_runops = RUNOPS_DEFAULT; |
681 | PL_runops = RUNOPS_DEFAULT; |
595 | PL_curcop = &PL_compiling; |
682 | PL_curcop = &PL_compiling; |
596 | PL_in_eval = EVAL_NULL; |
683 | PL_in_eval = EVAL_NULL; |
597 | PL_comppad = 0; |
684 | PL_comppad = 0; |
598 | PL_curpm = 0; |
685 | PL_curpm = 0; |
|
|
686 | PL_curpad = 0; |
599 | PL_localizing = 0; |
687 | PL_localizing = 0; |
600 | PL_dirty = 0; |
688 | PL_dirty = 0; |
601 | PL_restartop = 0; |
689 | PL_restartop = 0; |
|
|
690 | PL_diehook = 0; hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0); |
|
|
691 | PL_warnhook = 0; hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0); |
602 | |
692 | |
603 | GvSV (PL_defgv) = NEWSV (0, 0); |
693 | GvSV (PL_defgv) = newSV (0); |
604 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
694 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
605 | GvSV (PL_errgv) = NEWSV (0, 0); |
695 | GvSV (PL_errgv) = newSV (0); |
606 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), irsgv, PERL_MAGIC_sv, "/", 1); |
696 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
607 | PL_rs = newSVsv (GvSV (irsgv)); |
697 | PL_rs = newSVsv (GvSV (irsgv)); |
608 | |
698 | PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv); |
609 | { |
|
|
610 | IO *io = newIO (); |
|
|
611 | GvIOp(PL_defoutgv) = io; |
|
|
612 | IoTYPE (io) = IoTYPE_WRONLY; |
|
|
613 | IoOFP (io) = IoIFP (io) = PerlIO_stdout (); |
|
|
614 | IoFLAGS (io) |= IOf_FLUSH; |
|
|
615 | } |
|
|
616 | |
699 | |
617 | { |
700 | { |
618 | dSP; |
701 | dSP; |
619 | LOGOP myop; |
702 | LOGOP myop; |
620 | |
703 | |
621 | Zero (&myop, 1, LOGOP); |
704 | Zero (&myop, 1, LOGOP); |
622 | myop.op_next = Nullop; |
705 | myop.op_next = Nullop; |
623 | myop.op_flags = OPf_WANT_VOID; |
706 | myop.op_flags = OPf_WANT_VOID; |
624 | |
707 | |
625 | PUSHMARK (SP); |
708 | PUSHMARK (SP); |
626 | XPUSHs (av_shift (GvAV (PL_defgv))); |
709 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
627 | PUTBACK; |
710 | PUTBACK; |
628 | PL_op = (OP *)&myop; |
711 | PL_op = (OP *)&myop; |
629 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
712 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
630 | SPAGAIN; |
713 | SPAGAIN; |
631 | } |
714 | } |
632 | |
715 | |
633 | ENTER; /* necessary e.g. for dounwind */ |
716 | /* this newly created coroutine might be run on an existing cctx which most |
|
|
717 | * likely was suspended in set_stacklevel, called from entersub. |
|
|
718 | * set_stacklevl doesn't do anything on return, but entersub does LEAVE, |
|
|
719 | * so we ENTER here for symmetry |
|
|
720 | */ |
|
|
721 | ENTER; |
634 | } |
722 | } |
635 | |
723 | |
636 | static void |
724 | static void |
637 | coro_destroy (pTHX_ struct coro *coro) |
725 | coro_destroy (pTHX_ struct coro *coro) |
638 | { |
726 | { |
… | |
… | |
654 | } |
742 | } |
655 | |
743 | |
656 | SvREFCNT_dec (GvSV (PL_defgv)); |
744 | SvREFCNT_dec (GvSV (PL_defgv)); |
657 | SvREFCNT_dec (GvAV (PL_defgv)); |
745 | SvREFCNT_dec (GvAV (PL_defgv)); |
658 | SvREFCNT_dec (GvSV (PL_errgv)); |
746 | SvREFCNT_dec (GvSV (PL_errgv)); |
659 | SvREFCNT_dec (GvIOp(PL_defoutgv)); |
747 | SvREFCNT_dec (PL_defoutgv); |
660 | SvREFCNT_dec (PL_rs); |
748 | SvREFCNT_dec (PL_rs); |
661 | SvREFCNT_dec (GvSV (irsgv)); |
749 | SvREFCNT_dec (GvSV (irsgv)); |
662 | |
750 | |
|
|
751 | SvREFCNT_dec (PL_diehook); |
|
|
752 | SvREFCNT_dec (PL_warnhook); |
|
|
753 | |
|
|
754 | SvREFCNT_dec (coro->saved_deffh); |
|
|
755 | SvREFCNT_dec (coro->throw); |
|
|
756 | |
663 | coro_destroy_stacks (aTHX); |
757 | coro_destroy_stacks (aTHX); |
664 | } |
758 | } |
665 | |
759 | |
666 | static void |
760 | static void |
667 | free_coro_mortal (pTHX) |
761 | free_coro_mortal (pTHX) |
668 | { |
762 | { |
669 | if (coro_mortal) |
763 | if (expect_true (coro_mortal)) |
670 | { |
764 | { |
671 | SvREFCNT_dec (coro_mortal); |
765 | SvREFCNT_dec (coro_mortal); |
672 | coro_mortal = 0; |
766 | coro_mortal = 0; |
673 | } |
767 | } |
674 | } |
768 | } |
… | |
… | |
703 | bot = PL_stack_base + cx->blk_oldsp + 1; |
797 | bot = PL_stack_base + cx->blk_oldsp + 1; |
704 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
798 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
705 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
799 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
706 | : bot; |
800 | : bot; |
707 | |
801 | |
|
|
802 | av_extend (av, top - bot); |
708 | while (bot < top) |
803 | while (bot < top) |
709 | av_push (av, SvREFCNT_inc (*bot++)); |
804 | av_push (av, SvREFCNT_inc (*bot++)); |
710 | |
805 | |
711 | PL_runops = RUNOPS_DEFAULT; |
806 | PL_runops = RUNOPS_DEFAULT; |
712 | ENTER; |
807 | ENTER; |
… | |
… | |
798 | |
893 | |
799 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
894 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
800 | /* _cctx_init should be careful, as it could be called at almost any time */ |
895 | /* _cctx_init should be careful, as it could be called at almost any time */ |
801 | /* during execution of a perl program */ |
896 | /* during execution of a perl program */ |
802 | static void NOINLINE |
897 | static void NOINLINE |
803 | prepare_cctx (pTHX_ coro_cctx *cctx) |
898 | cctx_prepare (pTHX_ coro_cctx *cctx) |
804 | { |
899 | { |
805 | dSP; |
900 | dSP; |
806 | LOGOP myop; |
901 | LOGOP myop; |
807 | |
902 | |
808 | PL_top_env = &PL_start_env; |
903 | PL_top_env = &PL_start_env; |
… | |
… | |
826 | |
921 | |
827 | /* |
922 | /* |
828 | * this is a _very_ stripped down perl interpreter ;) |
923 | * this is a _very_ stripped down perl interpreter ;) |
829 | */ |
924 | */ |
830 | static void |
925 | static void |
831 | coro_run (void *arg) |
926 | cctx_run (void *arg) |
832 | { |
927 | { |
833 | dTHX; |
928 | dTHX; |
834 | |
929 | |
835 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
930 | /* cctx_run is the alternative tail of transfer(), so unlock here. */ |
836 | UNLOCK; |
931 | UNLOCK; |
837 | |
932 | |
838 | /* we now skip the entersub that lead to transfer() */ |
933 | /* we now skip the entersub that lead to transfer() */ |
839 | PL_op = PL_op->op_next; |
934 | PL_op = PL_op->op_next; |
840 | |
935 | |
841 | /* inject a fake subroutine call to cctx_init */ |
936 | /* inject a fake subroutine call to cctx_init */ |
842 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
937 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
843 | |
938 | |
844 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
939 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
845 | PL_restartop = PL_op; |
940 | PL_restartop = PL_op; |
846 | perl_run (PL_curinterp); |
941 | perl_run (PL_curinterp); |
847 | |
942 | |
… | |
… | |
866 | ++cctx_count; |
961 | ++cctx_count; |
867 | |
962 | |
868 | Newz (0, cctx, 1, coro_cctx); |
963 | Newz (0, cctx, 1, coro_cctx); |
869 | |
964 | |
870 | #if HAVE_MMAP |
965 | #if HAVE_MMAP |
871 | |
|
|
872 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
966 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
873 | /* mmap supposedly does allocate-on-write for us */ |
967 | /* mmap supposedly does allocate-on-write for us */ |
874 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
968 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
875 | |
969 | |
876 | if (cctx->sptr != (void *)-1) |
970 | if (cctx->sptr != (void *)-1) |
… | |
… | |
897 | stack_start = cctx->sptr; |
991 | stack_start = cctx->sptr; |
898 | stack_size = cctx->ssize; |
992 | stack_size = cctx->ssize; |
899 | } |
993 | } |
900 | |
994 | |
901 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
995 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
902 | coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size); |
996 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
903 | |
997 | |
904 | return cctx; |
998 | return cctx; |
905 | } |
999 | } |
906 | |
1000 | |
907 | static void |
1001 | static void |
… | |
… | |
924 | Safefree (cctx->sptr); |
1018 | Safefree (cctx->sptr); |
925 | |
1019 | |
926 | Safefree (cctx); |
1020 | Safefree (cctx); |
927 | } |
1021 | } |
928 | |
1022 | |
|
|
1023 | /* wether this cctx should be destructed */ |
|
|
1024 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
|
|
1025 | |
929 | static coro_cctx * |
1026 | static coro_cctx * |
930 | cctx_get (pTHX) |
1027 | cctx_get (pTHX) |
931 | { |
1028 | { |
932 | while (cctx_first) |
1029 | while (expect_true (cctx_first)) |
933 | { |
1030 | { |
934 | coro_cctx *cctx = cctx_first; |
1031 | coro_cctx *cctx = cctx_first; |
935 | cctx_first = cctx->next; |
1032 | cctx_first = cctx->next; |
936 | --cctx_idle; |
1033 | --cctx_idle; |
937 | |
1034 | |
938 | if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE)) |
1035 | if (expect_true (!CCTX_EXPIRED (cctx))) |
939 | return cctx; |
1036 | return cctx; |
940 | |
1037 | |
941 | cctx_destroy (cctx); |
1038 | cctx_destroy (cctx); |
942 | } |
1039 | } |
943 | |
1040 | |
… | |
… | |
946 | |
1043 | |
947 | static void |
1044 | static void |
948 | cctx_put (coro_cctx *cctx) |
1045 | cctx_put (coro_cctx *cctx) |
949 | { |
1046 | { |
950 | /* free another cctx if overlimit */ |
1047 | /* free another cctx if overlimit */ |
951 | if (cctx_idle >= MAX_IDLE_CCTX) |
1048 | if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) |
952 | { |
1049 | { |
953 | coro_cctx *first = cctx_first; |
1050 | coro_cctx *first = cctx_first; |
954 | cctx_first = first->next; |
1051 | cctx_first = first->next; |
955 | --cctx_idle; |
1052 | --cctx_idle; |
956 | |
1053 | |
… | |
… | |
962 | cctx_first = cctx; |
1059 | cctx_first = cctx; |
963 | } |
1060 | } |
964 | |
1061 | |
965 | /** coroutine switching *****************************************************/ |
1062 | /** coroutine switching *****************************************************/ |
966 | |
1063 | |
967 | static void NOINLINE |
1064 | static void |
968 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1065 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
969 | { |
1066 | { |
970 | if (prev != next) |
1067 | if (expect_true (prev != next)) |
971 | { |
1068 | { |
972 | if (!(prev->flags & (CF_RUNNING | CF_NEW))) |
1069 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
973 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
1070 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
974 | |
1071 | |
975 | if (next->flags & CF_RUNNING) |
1072 | if (expect_false (next->flags & CF_RUNNING)) |
976 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1073 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
977 | |
1074 | |
978 | if (next->flags & CF_DESTROYED) |
1075 | if (expect_false (next->flags & CF_DESTROYED)) |
979 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1076 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
980 | |
1077 | |
|
|
1078 | if ( |
|
|
1079 | #if PERL_VERSION_ATLEAST (5,9,0) |
|
|
1080 | expect_false (PL_parser) |
|
|
1081 | #else |
981 | if (PL_lex_state != LEX_NOTPARSING) |
1082 | expect_false (PL_lex_state != LEX_NOTPARSING) |
|
|
1083 | #endif |
|
|
1084 | ) |
982 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
1085 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
983 | } |
1086 | } |
984 | } |
1087 | } |
985 | |
1088 | |
986 | /* always use the TRANSFER macro */ |
1089 | /* always use the TRANSFER macro */ |
… | |
… | |
988 | transfer (pTHX_ struct coro *prev, struct coro *next) |
1091 | transfer (pTHX_ struct coro *prev, struct coro *next) |
989 | { |
1092 | { |
990 | dSTACKLEVEL; |
1093 | dSTACKLEVEL; |
991 | |
1094 | |
992 | /* sometimes transfer is only called to set idle_sp */ |
1095 | /* sometimes transfer is only called to set idle_sp */ |
993 | if (!next) |
1096 | if (expect_false (!next)) |
994 | { |
1097 | { |
995 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1098 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
996 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1099 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
997 | } |
1100 | } |
998 | else if (prev != next) |
1101 | else if (expect_true (prev != next)) |
999 | { |
1102 | { |
1000 | coro_cctx *prev__cctx; |
1103 | coro_cctx *prev__cctx; |
1001 | |
1104 | |
1002 | if (prev->flags & CF_NEW) |
1105 | if (expect_false (prev->flags & CF_NEW)) |
1003 | { |
1106 | { |
1004 | /* create a new empty context */ |
1107 | /* create a new empty context */ |
1005 | Newz (0, prev->cctx, 1, coro_cctx); |
1108 | Newz (0, prev->cctx, 1, coro_cctx); |
1006 | prev->flags &= ~CF_NEW; |
1109 | prev->flags &= ~CF_NEW; |
1007 | prev->flags |= CF_RUNNING; |
1110 | prev->flags |= CF_RUNNING; |
… | |
… | |
1010 | prev->flags &= ~CF_RUNNING; |
1113 | prev->flags &= ~CF_RUNNING; |
1011 | next->flags |= CF_RUNNING; |
1114 | next->flags |= CF_RUNNING; |
1012 | |
1115 | |
1013 | LOCK; |
1116 | LOCK; |
1014 | |
1117 | |
1015 | if (next->flags & CF_NEW) |
1118 | if (expect_false (next->flags & CF_NEW)) |
1016 | { |
1119 | { |
1017 | /* need to start coroutine */ |
1120 | /* need to start coroutine */ |
1018 | next->flags &= ~CF_NEW; |
1121 | next->flags &= ~CF_NEW; |
1019 | /* first get rid of the old state */ |
1122 | /* first get rid of the old state */ |
1020 | save_perl (aTHX_ prev); |
1123 | save_perl (aTHX_ prev); |
… | |
… | |
1029 | } |
1132 | } |
1030 | |
1133 | |
1031 | prev__cctx = prev->cctx; |
1134 | prev__cctx = prev->cctx; |
1032 | |
1135 | |
1033 | /* possibly "free" the cctx */ |
1136 | /* possibly "free" the cctx */ |
1034 | if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)) |
1137 | if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) |
1035 | { |
1138 | { |
1036 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1139 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1037 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1140 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1038 | |
1141 | |
1039 | prev->cctx = 0; |
1142 | prev->cctx = 0; |
1040 | |
1143 | |
|
|
1144 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
|
|
1145 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
|
|
1146 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
|
|
1147 | if (!next->cctx) |
|
|
1148 | next->cctx = cctx_get (aTHX); |
|
|
1149 | |
1041 | cctx_put (prev__cctx); |
1150 | cctx_put (prev__cctx); |
1042 | } |
1151 | } |
1043 | |
1152 | |
1044 | ++next->usecount; |
1153 | ++next->usecount; |
1045 | |
1154 | |
1046 | if (!next->cctx) |
1155 | if (expect_true (!next->cctx)) |
1047 | next->cctx = cctx_get (aTHX); |
1156 | next->cctx = cctx_get (aTHX); |
1048 | |
1157 | |
1049 | if (prev__cctx != next->cctx) |
1158 | if (expect_false (prev__cctx != next->cctx)) |
1050 | { |
1159 | { |
1051 | prev__cctx->top_env = PL_top_env; |
1160 | prev__cctx->top_env = PL_top_env; |
1052 | PL_top_env = next->cctx->top_env; |
1161 | PL_top_env = next->cctx->top_env; |
1053 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1162 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1054 | } |
1163 | } |
1055 | |
1164 | |
1056 | free_coro_mortal (aTHX); |
1165 | free_coro_mortal (aTHX); |
1057 | UNLOCK; |
1166 | UNLOCK; |
|
|
1167 | |
|
|
1168 | if (expect_false (prev->throw || next->throw)) |
|
|
1169 | { |
|
|
1170 | struct coro *coro = SvSTATE (coro_current); |
|
|
1171 | |
|
|
1172 | if (coro->throw) |
|
|
1173 | { |
|
|
1174 | SV *exception = coro->throw; |
|
|
1175 | coro->throw = 0; |
|
|
1176 | sv_setsv (ERRSV, exception); |
|
|
1177 | croak (0); |
|
|
1178 | } |
|
|
1179 | } |
1058 | } |
1180 | } |
1059 | } |
1181 | } |
1060 | |
1182 | |
1061 | struct transfer_args |
1183 | struct transfer_args |
1062 | { |
1184 | { |
… | |
… | |
1097 | save_perl (aTHX_ &temp); |
1219 | save_perl (aTHX_ &temp); |
1098 | load_perl (aTHX_ coro); |
1220 | load_perl (aTHX_ coro); |
1099 | |
1221 | |
1100 | coro_destroy (aTHX_ coro); |
1222 | coro_destroy (aTHX_ coro); |
1101 | |
1223 | |
1102 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
1224 | load_perl (aTHX_ &temp); |
1103 | |
1225 | |
1104 | coro->mainstack = 0; |
1226 | coro->slot = 0; |
1105 | } |
1227 | } |
1106 | |
1228 | |
1107 | cctx_destroy (coro->cctx); |
1229 | cctx_destroy (coro->cctx); |
1108 | SvREFCNT_dec (coro->args); |
1230 | SvREFCNT_dec (coro->args); |
1109 | |
1231 | |
… | |
… | |
1234 | { |
1356 | { |
1235 | LOCK; |
1357 | LOCK; |
1236 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1358 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1237 | |
1359 | |
1238 | /* nothing to schedule: call the idle handler */ |
1360 | /* nothing to schedule: call the idle handler */ |
1239 | if (!next_sv) |
1361 | if (expect_false (!next_sv)) |
1240 | { |
1362 | { |
1241 | dSP; |
1363 | dSP; |
1242 | UNLOCK; |
1364 | UNLOCK; |
1243 | |
1365 | |
1244 | ENTER; |
1366 | ENTER; |
… | |
… | |
1254 | } |
1376 | } |
1255 | |
1377 | |
1256 | ta->next = SvSTATE (next_sv); |
1378 | ta->next = SvSTATE (next_sv); |
1257 | |
1379 | |
1258 | /* cannot transfer to destroyed coros, skip and look for next */ |
1380 | /* cannot transfer to destroyed coros, skip and look for next */ |
1259 | if (ta->next->flags & CF_DESTROYED) |
1381 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1260 | { |
1382 | { |
1261 | UNLOCK; |
1383 | UNLOCK; |
1262 | SvREFCNT_dec (next_sv); |
1384 | SvREFCNT_dec (next_sv); |
1263 | /* coro_nready is already taken care of by destroy */ |
1385 | /* coro_nready is already taken care of by destroy */ |
1264 | continue; |
1386 | continue; |
… | |
… | |
1320 | dTHX; |
1442 | dTHX; |
1321 | struct transfer_args ta; |
1443 | struct transfer_args ta; |
1322 | |
1444 | |
1323 | prepare_cede (aTHX_ &ta); |
1445 | prepare_cede (aTHX_ &ta); |
1324 | |
1446 | |
1325 | if (ta.prev != ta.next) |
1447 | if (expect_true (ta.prev != ta.next)) |
1326 | { |
1448 | { |
1327 | TRANSFER (ta); |
1449 | TRANSFER (ta); |
1328 | return 1; |
1450 | return 1; |
1329 | } |
1451 | } |
1330 | else |
1452 | else |
… | |
… | |
1366 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
1488 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
1367 | |
1489 | |
1368 | if (coro->flags & CF_RUNNING) |
1490 | if (coro->flags & CF_RUNNING) |
1369 | PL_runops = RUNOPS_DEFAULT; |
1491 | PL_runops = RUNOPS_DEFAULT; |
1370 | else |
1492 | else |
1371 | coro->runops = RUNOPS_DEFAULT; |
1493 | coro->slot->runops = RUNOPS_DEFAULT; |
1372 | } |
1494 | } |
1373 | } |
1495 | } |
1374 | |
1496 | |
1375 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1497 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1376 | |
1498 | |
… | |
… | |
1381 | #ifdef USE_ITHREADS |
1503 | #ifdef USE_ITHREADS |
1382 | MUTEX_INIT (&coro_mutex); |
1504 | MUTEX_INIT (&coro_mutex); |
1383 | #endif |
1505 | #endif |
1384 | BOOT_PAGESIZE; |
1506 | BOOT_PAGESIZE; |
1385 | |
1507 | |
1386 | irsgv = gv_fetchpv ("/", 1, SVt_PV); |
1508 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
|
|
1509 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
|
|
1510 | |
|
|
1511 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
1512 | sv_diehook = coro_get_sv (aTHX_ "Coro::State::DIEHOOK" , TRUE); |
|
|
1513 | sv_warnhook = coro_get_sv (aTHX_ "Coro::State::WARNHOOK", TRUE); |
|
|
1514 | |
|
|
1515 | if (!PL_diehook ) hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0); |
|
|
1516 | if (!PL_warnhook) hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0); |
1387 | |
1517 | |
1388 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1518 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1389 | |
1519 | |
1390 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1520 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1391 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1521 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
… | |
… | |
1397 | |
1527 | |
1398 | while (main_top_env->je_prev) |
1528 | while (main_top_env->je_prev) |
1399 | main_top_env = main_top_env->je_prev; |
1529 | main_top_env = main_top_env->je_prev; |
1400 | |
1530 | |
1401 | coroapi.ver = CORO_API_VERSION; |
1531 | coroapi.ver = CORO_API_VERSION; |
|
|
1532 | coroapi.rev = CORO_API_REVISION; |
1402 | coroapi.transfer = api_transfer; |
1533 | coroapi.transfer = api_transfer; |
1403 | |
1534 | |
1404 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1535 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1405 | } |
1536 | } |
1406 | |
1537 | |
… | |
… | |
1422 | |
1553 | |
1423 | coro->hv = hv = newHV (); |
1554 | coro->hv = hv = newHV (); |
1424 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1555 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1425 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1556 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1426 | |
1557 | |
|
|
1558 | av_extend (coro->args, items - 1); |
1427 | for (i = 1; i < items; i++) |
1559 | for (i = 1; i < items; i++) |
1428 | av_push (coro->args, newSVsv (ST (i))); |
1560 | av_push (coro->args, newSVsv (ST (i))); |
1429 | } |
1561 | } |
1430 | OUTPUT: |
1562 | OUTPUT: |
1431 | RETVAL |
1563 | RETVAL |
… | |
… | |
1472 | |
1604 | |
1473 | break; |
1605 | break; |
1474 | } |
1606 | } |
1475 | |
1607 | |
1476 | BARRIER; |
1608 | BARRIER; |
|
|
1609 | PUTBACK; |
1477 | TRANSFER (ta); |
1610 | TRANSFER (ta); |
1478 | |
1611 | SPAGAIN; /* might be the sp of a different coroutine now */ |
1479 | if (GIMME_V != G_VOID && ta.next != ta.prev) |
1612 | /* be extra careful not to ever do anything after TRANSFER */ |
1480 | XSRETURN_YES; |
|
|
1481 | } |
1613 | } |
1482 | |
1614 | |
1483 | bool |
1615 | bool |
1484 | _destroy (SV *coro_sv) |
1616 | _destroy (SV *coro_sv) |
1485 | CODE: |
1617 | CODE: |
… | |
… | |
1534 | CODE: |
1666 | CODE: |
1535 | { |
1667 | { |
1536 | if (coro->mainstack) |
1668 | if (coro->mainstack) |
1537 | { |
1669 | { |
1538 | struct coro temp; |
1670 | struct coro temp; |
1539 | Zero (&temp, 1, struct coro); |
|
|
1540 | |
1671 | |
1541 | if (!(coro->flags & CF_RUNNING)) |
1672 | if (!(coro->flags & CF_RUNNING)) |
1542 | { |
1673 | { |
1543 | save_perl (aTHX_ &temp); |
1674 | save_perl (aTHX_ &temp); |
1544 | load_perl (aTHX_ coro); |
1675 | load_perl (aTHX_ coro); |
… | |
… | |
1546 | |
1677 | |
1547 | { |
1678 | { |
1548 | dSP; |
1679 | dSP; |
1549 | ENTER; |
1680 | ENTER; |
1550 | SAVETMPS; |
1681 | SAVETMPS; |
|
|
1682 | PUTBACK; |
|
|
1683 | PUSHSTACK; |
1551 | PUSHMARK (SP); |
1684 | PUSHMARK (SP); |
1552 | PUTBACK; |
1685 | |
1553 | if (ix) |
1686 | if (ix) |
1554 | eval_sv (coderef, 0); |
1687 | eval_sv (coderef, 0); |
1555 | else |
1688 | else |
1556 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1689 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
1690 | |
|
|
1691 | POPSTACK; |
1557 | SPAGAIN; |
1692 | SPAGAIN; |
1558 | FREETMPS; |
1693 | FREETMPS; |
1559 | LEAVE; |
1694 | LEAVE; |
1560 | PUTBACK; |
1695 | PUTBACK; |
1561 | } |
1696 | } |
… | |
… | |
1619 | |
1754 | |
1620 | BOOT: |
1755 | BOOT: |
1621 | { |
1756 | { |
1622 | int i; |
1757 | int i; |
1623 | |
1758 | |
1624 | sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); |
1759 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
1625 | sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); |
1760 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
1626 | av_async_pool = get_av ("Coro::async_pool", TRUE); |
1761 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
1627 | |
1762 | |
1628 | coro_current = get_sv ("Coro::current", FALSE); |
1763 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
1629 | SvREADONLY_on (coro_current); |
1764 | SvREADONLY_on (coro_current); |
1630 | |
1765 | |
1631 | coro_stash = gv_stashpv ("Coro", TRUE); |
1766 | coro_stash = gv_stashpv ("Coro", TRUE); |
1632 | |
1767 | |
1633 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1768 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1634 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1769 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1635 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1770 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1636 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1771 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
… | |
… | |
1639 | |
1774 | |
1640 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1775 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1641 | coro_ready[i] = newAV (); |
1776 | coro_ready[i] = newAV (); |
1642 | |
1777 | |
1643 | { |
1778 | { |
1644 | SV *sv = perl_get_sv("Coro::API", 1); |
1779 | SV *sv = perl_get_sv ("Coro::API", TRUE); |
|
|
1780 | perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */ |
1645 | |
1781 | |
1646 | coroapi.schedule = api_schedule; |
1782 | coroapi.schedule = api_schedule; |
1647 | coroapi.cede = api_cede; |
1783 | coroapi.cede = api_cede; |
1648 | coroapi.cede_notself = api_cede_notself; |
1784 | coroapi.cede_notself = api_cede_notself; |
1649 | coroapi.ready = api_ready; |
1785 | coroapi.ready = api_ready; |
… | |
… | |
1700 | CODE: |
1836 | CODE: |
1701 | RETVAL = coro_nready; |
1837 | RETVAL = coro_nready; |
1702 | OUTPUT: |
1838 | OUTPUT: |
1703 | RETVAL |
1839 | RETVAL |
1704 | |
1840 | |
|
|
1841 | void |
|
|
1842 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
1843 | PROTOTYPE: $;$ |
|
|
1844 | CODE: |
|
|
1845 | SvREFCNT_dec (self->throw); |
|
|
1846 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
1847 | |
1705 | # for async_pool speedup |
1848 | # for async_pool speedup |
1706 | void |
1849 | void |
1707 | _pool_1 (SV *cb) |
1850 | _pool_1 (SV *cb) |
1708 | CODE: |
1851 | CODE: |
1709 | { |
1852 | { |
1710 | int i, len; |
1853 | struct coro *coro = SvSTATE (coro_current); |
1711 | HV *hv = (HV *)SvRV (coro_current); |
1854 | HV *hv = (HV *)SvRV (coro_current); |
1712 | AV *defav = GvAV (PL_defgv); |
1855 | AV *defav = GvAV (PL_defgv); |
1713 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1856 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1714 | AV *invoke_av; |
1857 | AV *invoke_av; |
|
|
1858 | int i, len; |
1715 | |
1859 | |
1716 | if (!invoke) |
1860 | if (!invoke) |
1717 | croak ("\3terminate\2\n"); |
1861 | croak ("\3async_pool terminate\2\n"); |
|
|
1862 | |
|
|
1863 | SvREFCNT_dec (coro->saved_deffh); |
|
|
1864 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
1718 | |
1865 | |
1719 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1866 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1720 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
1867 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
1721 | |
1868 | |
1722 | invoke_av = (AV *)SvRV (invoke); |
1869 | invoke_av = (AV *)SvRV (invoke); |
… | |
… | |
1740 | { |
1887 | { |
1741 | struct coro *coro = SvSTATE (coro_current); |
1888 | struct coro *coro = SvSTATE (coro_current); |
1742 | |
1889 | |
1743 | sv_setsv (cb, &PL_sv_undef); |
1890 | sv_setsv (cb, &PL_sv_undef); |
1744 | |
1891 | |
|
|
1892 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
1893 | coro->saved_deffh = 0; |
|
|
1894 | |
1745 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1895 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1746 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1896 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1747 | croak ("\3terminate\2\n"); |
1897 | croak ("\3async_pool terminate\2\n"); |
1748 | |
1898 | |
1749 | av_clear (GvAV (PL_defgv)); |
1899 | av_clear (GvAV (PL_defgv)); |
1750 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1900 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1751 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1901 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1752 | |
1902 | |