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 | |
… | |
… | |
75 | /* 5.8.7 */ |
76 | /* 5.8.7 */ |
76 | #ifndef SvRV_set |
77 | #ifndef SvRV_set |
77 | # define SvRV_set(s,v) SvRV(s) = (v) |
78 | # define SvRV_set(s,v) SvRV(s) = (v) |
78 | #endif |
79 | #endif |
79 | |
80 | |
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81 | /* 5.8.8 */ |
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82 | #ifndef GV_NOTQUAL |
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83 | # define GV_NOTQUAL 0 |
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84 | #endif |
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85 | #ifndef newSV |
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86 | # define newSV(l) NEWSV(0,l) |
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87 | #endif |
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88 | |
80 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
89 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
81 | # undef CORO_STACKGUARD |
90 | # undef CORO_STACKGUARD |
82 | #endif |
91 | #endif |
83 | |
92 | |
84 | #ifndef CORO_STACKGUARD |
93 | #ifndef CORO_STACKGUARD |
… | |
… | |
98 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
107 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
99 | |
108 | |
100 | #if __GNUC__ >= 3 |
109 | #if __GNUC__ >= 3 |
101 | # define attribute(x) __attribute__(x) |
110 | # define attribute(x) __attribute__(x) |
102 | # define BARRIER __asm__ __volatile__ ("" : : : "memory") |
111 | # define BARRIER __asm__ __volatile__ ("" : : : "memory") |
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112 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
103 | #else |
113 | #else |
104 | # define attribute(x) |
114 | # define attribute(x) |
105 | # define BARRIER |
115 | # define BARRIER |
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116 | # define expect(expr,value) (expr) |
106 | #endif |
117 | #endif |
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118 | |
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119 | #define expect_false(expr) expect ((expr) != 0, 0) |
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120 | #define expect_true(expr) expect ((expr) != 0, 1) |
107 | |
121 | |
108 | #define NOINLINE attribute ((noinline)) |
122 | #define NOINLINE attribute ((noinline)) |
109 | |
123 | |
110 | #include "CoroAPI.h" |
124 | #include "CoroAPI.h" |
111 | |
125 | |
… | |
… | |
116 | #else |
130 | #else |
117 | # define LOCK (void)0 |
131 | # define LOCK (void)0 |
118 | # define UNLOCK (void)0 |
132 | # define UNLOCK (void)0 |
119 | #endif |
133 | #endif |
120 | |
134 | |
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135 | #define strpair(const) const, sizeof (const) - 1 |
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136 | |
121 | /* helper storage struct for Coro::AIO */ |
137 | /* helper storage struct for Coro::AIO */ |
122 | struct io_state |
138 | struct io_state |
123 | { |
139 | { |
124 | int errorno; |
140 | int errorno; |
125 | I32 laststype; |
141 | I32 laststype; |
… | |
… | |
132 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
148 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
133 | static JMPENV *main_top_env; |
149 | static JMPENV *main_top_env; |
134 | static HV *coro_state_stash, *coro_stash; |
150 | static HV *coro_state_stash, *coro_stash; |
135 | static SV *coro_mortal; /* will be freed after next transfer */ |
151 | static SV *coro_mortal; /* will be freed after next transfer */ |
136 | |
152 | |
137 | static GV *irsgv; /* $/ */ |
153 | static GV *irsgv; /* $/ */ |
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154 | static GV *stdoutgv; /* *STDOUT */ |
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155 | |
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156 | static HV *hv_sig; /* %SIG */ |
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157 | static SV *sv_diehook; |
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158 | static SV *sv_warnhook; |
138 | |
159 | |
139 | /* async_pool helper stuff */ |
160 | /* async_pool helper stuff */ |
140 | static SV *sv_pool_rss; |
161 | static SV *sv_pool_rss; |
141 | static SV *sv_pool_size; |
162 | static SV *sv_pool_size; |
142 | static AV *av_async_pool; |
163 | static AV *av_async_pool; |
… | |
… | |
178 | CF_READY = 0x0002, /* coroutine is ready */ |
199 | CF_READY = 0x0002, /* coroutine is ready */ |
179 | CF_NEW = 0x0004, /* has never been switched to */ |
200 | CF_NEW = 0x0004, /* has never been switched to */ |
180 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
201 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
181 | }; |
202 | }; |
182 | |
203 | |
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204 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
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205 | typedef struct { |
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206 | SV *defsv; |
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207 | AV *defav; |
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208 | SV *errsv; |
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209 | SV *irsgv; |
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210 | #define VAR(name,type) type name; |
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211 | # include "state.h" |
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212 | #undef VAR |
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213 | } perl_slots; |
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214 | |
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215 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
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216 | |
183 | /* this is a structure representing a perl-level coroutine */ |
217 | /* this is a structure representing a perl-level coroutine */ |
184 | struct coro { |
218 | struct coro { |
185 | /* the c coroutine allocated to this perl coroutine, if any */ |
219 | /* the c coroutine allocated to this perl coroutine, if any */ |
186 | coro_cctx *cctx; |
220 | coro_cctx *cctx; |
187 | |
221 | |
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222 | /* process data */ |
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223 | AV *mainstack; |
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224 | perl_slots *slot; /* basically the saved sp */ |
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225 | |
188 | /* data associated with this coroutine (initial args) */ |
226 | AV *args; /* data associated with this coroutine (initial args) */ |
189 | AV *args; |
227 | int refcnt; /* coroutines are refcounted, yes */ |
190 | int refcnt; |
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191 | int flags; /* CF_ flags */ |
228 | int flags; /* CF_ flags */ |
192 | |
229 | 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 | SV *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 | |
230 | |
205 | /* statistics */ |
231 | /* statistics */ |
206 | int usecount; /* number of transfers to this coro */ |
232 | int usecount; /* number of transfers to this coro */ |
207 | |
233 | |
208 | /* coro process data */ |
234 | /* coro process data */ |
209 | int prio; |
235 | int prio; |
210 | //SV *throw; |
236 | SV *throw; /* exception to be thrown */ |
211 | |
237 | |
212 | /* async_pool */ |
238 | /* async_pool */ |
213 | SV *saved_deffh; |
239 | SV *saved_deffh; |
214 | |
240 | |
215 | /* linked list */ |
241 | /* linked list */ |
216 | struct coro *next, *prev; |
242 | struct coro *next, *prev; |
217 | HV *hv; /* the perl hash associated with this coro, if any */ |
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218 | }; |
243 | }; |
219 | |
244 | |
220 | typedef struct coro *Coro__State; |
245 | typedef struct coro *Coro__State; |
221 | typedef struct coro *Coro__State_or_hashref; |
246 | typedef struct coro *Coro__State_or_hashref; |
222 | |
247 | |
… | |
… | |
234 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
259 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
235 | static int coro_nready; |
260 | static int coro_nready; |
236 | static struct coro *coro_first; |
261 | static struct coro *coro_first; |
237 | |
262 | |
238 | /** lowlevel stuff **********************************************************/ |
263 | /** lowlevel stuff **********************************************************/ |
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264 | |
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265 | static SV * |
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266 | coro_get_sv (const char *name, int create) |
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267 | { |
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268 | #if PERL_VERSION_ATLEAST (5,9,0) |
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269 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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270 | get_sv (name, create); |
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271 | #endif |
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272 | return get_sv (name, create); |
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273 | } |
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274 | |
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275 | static AV * |
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276 | coro_get_av (const char *name, int create) |
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277 | { |
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278 | #if PERL_VERSION_ATLEAST (5,9,0) |
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279 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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280 | get_av (name, create); |
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281 | #endif |
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282 | return get_av (name, create); |
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283 | } |
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284 | |
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285 | static HV * |
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286 | coro_get_hv (const char *name, int create) |
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287 | { |
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288 | #if PERL_VERSION_ATLEAST (5,9,0) |
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289 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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290 | get_hv (name, create); |
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291 | #endif |
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292 | return get_hv (name, create); |
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293 | } |
239 | |
294 | |
240 | static AV * |
295 | static AV * |
241 | coro_clone_padlist (pTHX_ CV *cv) |
296 | coro_clone_padlist (pTHX_ CV *cv) |
242 | { |
297 | { |
243 | AV *padlist = CvPADLIST (cv); |
298 | AV *padlist = CvPADLIST (cv); |
… | |
… | |
316 | MAGIC *mg; |
371 | MAGIC *mg; |
317 | |
372 | |
318 | if (SvROK (coro)) |
373 | if (SvROK (coro)) |
319 | coro = SvRV (coro); |
374 | coro = SvRV (coro); |
320 | |
375 | |
321 | if (SvTYPE (coro) != SVt_PVHV) |
376 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
322 | croak ("Coro::State object required"); |
377 | croak ("Coro::State object required"); |
323 | |
378 | |
324 | stash = SvSTASH (coro); |
379 | stash = SvSTASH (coro); |
325 | if (stash != coro_stash && stash != coro_state_stash) |
380 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
326 | { |
381 | { |
327 | /* very slow, but rare, check */ |
382 | /* very slow, but rare, check */ |
328 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
383 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
329 | croak ("Coro::State object required"); |
384 | croak ("Coro::State object required"); |
330 | } |
385 | } |
… | |
… | |
340 | get_padlist (pTHX_ CV *cv) |
395 | get_padlist (pTHX_ CV *cv) |
341 | { |
396 | { |
342 | MAGIC *mg = CORO_MAGIC (cv); |
397 | MAGIC *mg = CORO_MAGIC (cv); |
343 | AV *av; |
398 | AV *av; |
344 | |
399 | |
345 | if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) |
400 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
346 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
401 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
347 | else |
402 | else |
348 | { |
403 | { |
349 | #if CORO_PREFER_PERL_FUNCTIONS |
404 | #if CORO_PREFER_PERL_FUNCTIONS |
350 | /* this is probably cleaner, but also slower? */ |
405 | /* this is probably cleaner, but also slower? */ |
… | |
… | |
362 | put_padlist (pTHX_ CV *cv) |
417 | put_padlist (pTHX_ CV *cv) |
363 | { |
418 | { |
364 | MAGIC *mg = CORO_MAGIC (cv); |
419 | MAGIC *mg = CORO_MAGIC (cv); |
365 | AV *av; |
420 | AV *av; |
366 | |
421 | |
367 | if (!mg) |
422 | if (expect_false (!mg)) |
368 | { |
423 | { |
369 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
424 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
370 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
425 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
371 | mg->mg_virtual = &vtbl_coro; |
426 | mg->mg_virtual = &vtbl_coro; |
372 | mg->mg_obj = (SV *)newAV (); |
427 | mg->mg_obj = (SV *)newAV (); |
373 | } |
428 | } |
374 | |
429 | |
375 | av = (AV *)mg->mg_obj; |
430 | av = (AV *)mg->mg_obj; |
376 | |
431 | |
377 | if (AvFILLp (av) >= AvMAX (av)) |
432 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
378 | av_extend (av, AvMAX (av) + 1); |
433 | av_extend (av, AvMAX (av) + 1); |
379 | |
434 | |
380 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
435 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
381 | } |
436 | } |
382 | |
437 | |
383 | /** load & save, init *******************************************************/ |
438 | /** load & save, init *******************************************************/ |
384 | |
439 | |
385 | static void |
440 | static void |
386 | load_perl (pTHX_ Coro__State c) |
441 | load_perl (pTHX_ Coro__State c) |
387 | { |
442 | { |
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443 | perl_slots *slot = c->slot; |
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444 | c->slot = 0; |
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445 | |
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446 | PL_mainstack = c->mainstack; |
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447 | |
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448 | GvSV (PL_defgv) = slot->defsv; |
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449 | GvAV (PL_defgv) = slot->defav; |
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450 | GvSV (PL_errgv) = slot->errsv; |
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451 | GvSV (irsgv) = slot->irsgv; |
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452 | |
388 | #define VAR(name,type) PL_ ## name = c->name; |
453 | #define VAR(name,type) PL_ ## name = slot->name; |
389 | # include "state.h" |
454 | # include "state.h" |
390 | #undef VAR |
455 | #undef VAR |
391 | |
456 | |
392 | GvSV (PL_defgv) = c->defsv; |
457 | /*hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);*/ |
393 | GvAV (PL_defgv) = c->defav; |
458 | /*hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);*/ |
394 | GvSV (PL_errgv) = c->errsv; |
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395 | GvSV (irsgv) = c->irssv_sv; |
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396 | |
459 | |
397 | { |
460 | { |
398 | dSP; |
461 | dSP; |
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462 | |
399 | CV *cv; |
463 | CV *cv; |
400 | |
464 | |
401 | /* now do the ugly restore mess */ |
465 | /* now do the ugly restore mess */ |
402 | while ((cv = (CV *)POPs)) |
466 | while (expect_true (cv = (CV *)POPs)) |
403 | { |
467 | { |
404 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
468 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
405 | CvDEPTH (cv) = PTR2IV (POPs); |
469 | CvDEPTH (cv) = PTR2IV (POPs); |
406 | CvPADLIST (cv) = (AV *)POPs; |
470 | CvPADLIST (cv) = (AV *)POPs; |
407 | } |
471 | } |
… | |
… | |
426 | |
490 | |
427 | XPUSHs (Nullsv); |
491 | XPUSHs (Nullsv); |
428 | /* this loop was inspired by pp_caller */ |
492 | /* this loop was inspired by pp_caller */ |
429 | for (;;) |
493 | for (;;) |
430 | { |
494 | { |
431 | while (cxix >= 0) |
495 | while (expect_true (cxix >= 0)) |
432 | { |
496 | { |
433 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
497 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
434 | |
498 | |
435 | if (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT) |
499 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
436 | { |
500 | { |
437 | CV *cv = cx->blk_sub.cv; |
501 | CV *cv = cx->blk_sub.cv; |
438 | |
502 | |
439 | if (CvDEPTH (cv)) |
503 | if (expect_true (CvDEPTH (cv))) |
440 | { |
504 | { |
441 | EXTEND (SP, 3); |
505 | EXTEND (SP, 3); |
442 | PUSHs ((SV *)CvPADLIST (cv)); |
506 | PUSHs ((SV *)CvPADLIST (cv)); |
443 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
507 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
444 | PUSHs ((SV *)cv); |
508 | PUSHs ((SV *)cv); |
… | |
… | |
447 | get_padlist (aTHX_ cv); |
511 | get_padlist (aTHX_ cv); |
448 | } |
512 | } |
449 | } |
513 | } |
450 | } |
514 | } |
451 | |
515 | |
452 | if (top_si->si_type == PERLSI_MAIN) |
516 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
453 | break; |
517 | break; |
454 | |
518 | |
455 | top_si = top_si->si_prev; |
519 | top_si = top_si->si_prev; |
456 | ccstk = top_si->si_cxstack; |
520 | ccstk = top_si->si_cxstack; |
457 | cxix = top_si->si_cxix; |
521 | cxix = top_si->si_cxix; |
458 | } |
522 | } |
459 | |
523 | |
460 | PUTBACK; |
524 | PUTBACK; |
461 | } |
525 | } |
462 | |
526 | |
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527 | /* allocate some space on the context stack for our purposes */ |
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528 | /* we manually unroll here, as usually 2 slots is enough */ |
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529 | if (SLOT_COUNT >= 1) CXINC; |
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530 | if (SLOT_COUNT >= 2) CXINC; |
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531 | if (SLOT_COUNT >= 3) CXINC; |
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532 | { |
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533 | int i; |
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534 | for (i = 3; i < SLOT_COUNT; ++i) |
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535 | CXINC; |
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536 | } |
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537 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
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538 | |
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539 | c->mainstack = PL_mainstack; |
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540 | |
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541 | { |
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542 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
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543 | |
463 | c->defav = GvAV (PL_defgv); |
544 | slot->defav = GvAV (PL_defgv); |
464 | c->defsv = DEFSV; |
545 | slot->defsv = DEFSV; |
465 | c->errsv = ERRSV; |
546 | slot->errsv = ERRSV; |
466 | c->irssv_sv = GvSV (irsgv); |
547 | slot->irsgv = GvSV (irsgv); |
467 | |
548 | |
468 | #define VAR(name,type)c->name = PL_ ## name; |
549 | #define VAR(name,type) slot->name = PL_ ## name; |
469 | # include "state.h" |
550 | # include "state.h" |
470 | #undef VAR |
551 | #undef VAR |
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552 | } |
471 | } |
553 | } |
472 | |
554 | |
473 | /* |
555 | /* |
474 | * allocate various perl stacks. This is an exact copy |
556 | * allocate various perl stacks. This is an exact copy |
475 | * of perl.c:init_stacks, except that it uses less memory |
557 | * of perl.c:init_stacks, except that it uses less memory |
… | |
… | |
480 | # define coro_init_stacks init_stacks |
562 | # define coro_init_stacks init_stacks |
481 | #else |
563 | #else |
482 | static void |
564 | static void |
483 | coro_init_stacks (pTHX) |
565 | coro_init_stacks (pTHX) |
484 | { |
566 | { |
485 | PL_curstackinfo = new_stackinfo(64, 6); |
567 | PL_curstackinfo = new_stackinfo(32, 8); |
486 | PL_curstackinfo->si_type = PERLSI_MAIN; |
568 | PL_curstackinfo->si_type = PERLSI_MAIN; |
487 | PL_curstack = PL_curstackinfo->si_stack; |
569 | PL_curstack = PL_curstackinfo->si_stack; |
488 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
570 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
489 | |
571 | |
490 | PL_stack_base = AvARRAY(PL_curstack); |
572 | PL_stack_base = AvARRAY(PL_curstack); |
491 | PL_stack_sp = PL_stack_base; |
573 | PL_stack_sp = PL_stack_base; |
492 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
574 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
493 | |
575 | |
494 | New(50,PL_tmps_stack,64,SV*); |
576 | New(50,PL_tmps_stack,32,SV*); |
495 | PL_tmps_floor = -1; |
577 | PL_tmps_floor = -1; |
496 | PL_tmps_ix = -1; |
578 | PL_tmps_ix = -1; |
497 | PL_tmps_max = 64; |
579 | PL_tmps_max = 32; |
498 | |
580 | |
499 | New(54,PL_markstack,16,I32); |
581 | New(54,PL_markstack,16,I32); |
500 | PL_markstack_ptr = PL_markstack; |
582 | PL_markstack_ptr = PL_markstack; |
501 | PL_markstack_max = PL_markstack + 16; |
583 | PL_markstack_max = PL_markstack + 16; |
502 | |
584 | |
503 | #ifdef SET_MARK_OFFSET |
585 | #ifdef SET_MARK_OFFSET |
504 | SET_MARK_OFFSET; |
586 | SET_MARK_OFFSET; |
505 | #endif |
587 | #endif |
506 | |
588 | |
507 | New(54,PL_scopestack,16,I32); |
589 | New(54,PL_scopestack,8,I32); |
508 | PL_scopestack_ix = 0; |
590 | PL_scopestack_ix = 0; |
509 | PL_scopestack_max = 16; |
591 | PL_scopestack_max = 8; |
510 | |
592 | |
511 | New(54,PL_savestack,64,ANY); |
593 | New(54,PL_savestack,24,ANY); |
512 | PL_savestack_ix = 0; |
594 | PL_savestack_ix = 0; |
513 | PL_savestack_max = 64; |
595 | PL_savestack_max = 24; |
514 | |
596 | |
515 | #if !PERL_VERSION_ATLEAST (5,9,0) |
597 | #if !PERL_VERSION_ATLEAST (5,9,0) |
516 | New(54,PL_retstack,4,OP*); |
598 | New(54,PL_retstack,4,OP*); |
517 | PL_retstack_ix = 0; |
599 | PL_retstack_ix = 0; |
518 | PL_retstack_max = 4; |
600 | PL_retstack_max = 4; |
… | |
… | |
555 | { |
637 | { |
556 | size_t rss = sizeof (*coro); |
638 | size_t rss = sizeof (*coro); |
557 | |
639 | |
558 | if (coro->mainstack) |
640 | if (coro->mainstack) |
559 | { |
641 | { |
|
|
642 | perl_slots tmp_slot; |
|
|
643 | perl_slots *slot; |
|
|
644 | |
560 | if (coro->flags & CF_RUNNING) |
645 | if (coro->flags & CF_RUNNING) |
561 | { |
646 | { |
|
|
647 | slot = &tmp_slot; |
|
|
648 | |
562 | #define VAR(name,type)coro->name = PL_ ## name; |
649 | #define VAR(name,type) slot->name = PL_ ## name; |
563 | # include "state.h" |
650 | # include "state.h" |
564 | #undef VAR |
651 | #undef VAR |
565 | } |
652 | } |
|
|
653 | else |
|
|
654 | slot = coro->slot; |
566 | |
655 | |
567 | rss += sizeof (coro->curstackinfo); |
656 | 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); |
657 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
570 | rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
658 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
571 | rss += coro->tmps_max * sizeof (SV *); |
659 | rss += slot->tmps_max * sizeof (SV *); |
572 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
660 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
573 | rss += coro->scopestack_max * sizeof (I32); |
661 | rss += slot->scopestack_max * sizeof (I32); |
574 | rss += coro->savestack_max * sizeof (ANY); |
662 | rss += slot->savestack_max * sizeof (ANY); |
575 | |
663 | |
576 | #if !PERL_VERSION_ATLEAST (5,9,0) |
664 | #if !PERL_VERSION_ATLEAST (5,9,0) |
577 | rss += coro->retstack_max * sizeof (OP *); |
665 | rss += slot->retstack_max * sizeof (OP *); |
578 | #endif |
666 | #endif |
579 | } |
667 | } |
580 | |
668 | |
581 | return rss; |
669 | return rss; |
582 | } |
670 | } |
… | |
… | |
594 | PL_runops = RUNOPS_DEFAULT; |
682 | PL_runops = RUNOPS_DEFAULT; |
595 | PL_curcop = &PL_compiling; |
683 | PL_curcop = &PL_compiling; |
596 | PL_in_eval = EVAL_NULL; |
684 | PL_in_eval = EVAL_NULL; |
597 | PL_comppad = 0; |
685 | PL_comppad = 0; |
598 | PL_curpm = 0; |
686 | PL_curpm = 0; |
|
|
687 | PL_curpad = 0; |
599 | PL_localizing = 0; |
688 | PL_localizing = 0; |
600 | PL_dirty = 0; |
689 | PL_dirty = 0; |
601 | PL_restartop = 0; |
690 | PL_restartop = 0; |
|
|
691 | PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); |
|
|
692 | PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0); |
602 | |
693 | |
603 | GvSV (PL_defgv) = NEWSV (0, 0); |
694 | GvSV (PL_defgv) = newSV (0); |
604 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
695 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
605 | GvSV (PL_errgv) = NEWSV (0, 0); |
696 | GvSV (PL_errgv) = newSV (0); |
606 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
697 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
607 | PL_rs = newSVsv (GvSV (irsgv)); |
698 | PL_rs = newSVsv (GvSV (irsgv)); |
608 | |
699 | PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv); |
609 | { |
|
|
610 | IO *io = newIO (); |
|
|
611 | PL_defoutgv = newGVgen ("Coro"); |
|
|
612 | GvIOp(PL_defoutgv) = io; |
|
|
613 | IoTYPE (io) = IoTYPE_WRONLY; |
|
|
614 | IoOFP (io) = IoIFP (io) = PerlIO_stdout (); |
|
|
615 | IoFLAGS (io) |= IOf_FLUSH; |
|
|
616 | } |
|
|
617 | |
700 | |
618 | { |
701 | { |
619 | dSP; |
702 | dSP; |
620 | LOGOP myop; |
703 | LOGOP myop; |
621 | |
704 | |
622 | Zero (&myop, 1, LOGOP); |
705 | Zero (&myop, 1, LOGOP); |
623 | myop.op_next = Nullop; |
706 | myop.op_next = Nullop; |
624 | myop.op_flags = OPf_WANT_VOID; |
707 | myop.op_flags = OPf_WANT_VOID; |
625 | |
708 | |
626 | PUSHMARK (SP); |
709 | PUSHMARK (SP); |
627 | XPUSHs (av_shift (GvAV (PL_defgv))); |
710 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
628 | PUTBACK; |
711 | PUTBACK; |
629 | PL_op = (OP *)&myop; |
712 | PL_op = (OP *)&myop; |
630 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
713 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
631 | SPAGAIN; |
714 | SPAGAIN; |
632 | } |
715 | } |
633 | |
716 | |
634 | ENTER; /* necessary e.g. for dounwind */ |
717 | ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */ |
635 | } |
718 | } |
636 | |
719 | |
637 | static void |
720 | static void |
638 | coro_destroy (pTHX_ struct coro *coro) |
721 | coro_destroy (pTHX_ struct coro *coro) |
639 | { |
722 | { |
… | |
… | |
659 | SvREFCNT_dec (GvSV (PL_errgv)); |
742 | SvREFCNT_dec (GvSV (PL_errgv)); |
660 | SvREFCNT_dec (PL_defoutgv); |
743 | SvREFCNT_dec (PL_defoutgv); |
661 | SvREFCNT_dec (PL_rs); |
744 | SvREFCNT_dec (PL_rs); |
662 | SvREFCNT_dec (GvSV (irsgv)); |
745 | SvREFCNT_dec (GvSV (irsgv)); |
663 | |
746 | |
|
|
747 | SvREFCNT_dec (PL_diehook); |
|
|
748 | SvREFCNT_dec (PL_warnhook); |
|
|
749 | |
664 | SvREFCNT_dec (coro->saved_deffh); |
750 | SvREFCNT_dec (coro->saved_deffh); |
665 | //SvREFCNT_dec (coro->throw); |
751 | SvREFCNT_dec (coro->throw); |
666 | |
752 | |
667 | coro_destroy_stacks (aTHX); |
753 | coro_destroy_stacks (aTHX); |
668 | } |
754 | } |
669 | |
755 | |
670 | static void |
756 | static void |
671 | free_coro_mortal (pTHX) |
757 | free_coro_mortal (pTHX) |
672 | { |
758 | { |
673 | if (coro_mortal) |
759 | if (expect_true (coro_mortal)) |
674 | { |
760 | { |
675 | SvREFCNT_dec (coro_mortal); |
761 | SvREFCNT_dec (coro_mortal); |
676 | coro_mortal = 0; |
762 | coro_mortal = 0; |
677 | } |
763 | } |
678 | } |
764 | } |
… | |
… | |
707 | bot = PL_stack_base + cx->blk_oldsp + 1; |
793 | bot = PL_stack_base + cx->blk_oldsp + 1; |
708 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
794 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
709 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
795 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
710 | : bot; |
796 | : bot; |
711 | |
797 | |
|
|
798 | av_extend (av, top - bot); |
712 | while (bot < top) |
799 | while (bot < top) |
713 | av_push (av, SvREFCNT_inc (*bot++)); |
800 | av_push (av, SvREFCNT_inc (*bot++)); |
714 | |
801 | |
715 | PL_runops = RUNOPS_DEFAULT; |
802 | PL_runops = RUNOPS_DEFAULT; |
716 | ENTER; |
803 | ENTER; |
… | |
… | |
719 | PUSHMARK (SP); |
806 | PUSHMARK (SP); |
720 | PUSHs (&PL_sv_no); |
807 | PUSHs (&PL_sv_no); |
721 | PUSHs (fullname); |
808 | PUSHs (fullname); |
722 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
809 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
723 | PUTBACK; |
810 | PUTBACK; |
724 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
811 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); |
725 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
812 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
726 | SPAGAIN; |
813 | SPAGAIN; |
727 | FREETMPS; |
814 | FREETMPS; |
728 | LEAVE; |
815 | LEAVE; |
729 | PL_runops = runops_trace; |
816 | PL_runops = runops_trace; |
… | |
… | |
758 | PUSHMARK (SP); |
845 | PUSHMARK (SP); |
759 | PUSHs (&PL_sv_yes); |
846 | PUSHs (&PL_sv_yes); |
760 | PUSHs (fullname); |
847 | PUSHs (fullname); |
761 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
848 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
762 | PUTBACK; |
849 | PUTBACK; |
763 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
850 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); |
764 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
851 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
765 | SPAGAIN; |
852 | SPAGAIN; |
766 | FREETMPS; |
853 | FREETMPS; |
767 | LEAVE; |
854 | LEAVE; |
768 | PL_runops = runops_trace; |
855 | PL_runops = runops_trace; |
… | |
… | |
782 | PL_runops = RUNOPS_DEFAULT; |
869 | PL_runops = RUNOPS_DEFAULT; |
783 | PUSHMARK (SP); |
870 | PUSHMARK (SP); |
784 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
871 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
785 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
872 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
786 | PUTBACK; |
873 | PUTBACK; |
787 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
874 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0); |
788 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
875 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
789 | SPAGAIN; |
876 | SPAGAIN; |
790 | FREETMPS; |
877 | FREETMPS; |
791 | LEAVE; |
878 | LEAVE; |
792 | PL_runops = runops_trace; |
879 | PL_runops = runops_trace; |
… | |
… | |
802 | |
889 | |
803 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
890 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
804 | /* _cctx_init should be careful, as it could be called at almost any time */ |
891 | /* _cctx_init should be careful, as it could be called at almost any time */ |
805 | /* during execution of a perl program */ |
892 | /* during execution of a perl program */ |
806 | static void NOINLINE |
893 | static void NOINLINE |
807 | prepare_cctx (pTHX_ coro_cctx *cctx) |
894 | cctx_prepare (pTHX_ coro_cctx *cctx) |
808 | { |
895 | { |
809 | dSP; |
896 | dSP; |
810 | LOGOP myop; |
897 | LOGOP myop; |
811 | |
898 | |
812 | PL_top_env = &PL_start_env; |
899 | PL_top_env = &PL_start_env; |
… | |
… | |
830 | |
917 | |
831 | /* |
918 | /* |
832 | * this is a _very_ stripped down perl interpreter ;) |
919 | * this is a _very_ stripped down perl interpreter ;) |
833 | */ |
920 | */ |
834 | static void |
921 | static void |
835 | coro_run (void *arg) |
922 | cctx_run (void *arg) |
836 | { |
923 | { |
837 | dTHX; |
924 | dTHX; |
838 | |
925 | |
839 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
926 | /* cctx_run is the alternative tail of transfer(), so unlock here. */ |
840 | UNLOCK; |
927 | UNLOCK; |
841 | |
928 | |
842 | /* we now skip the entersub that lead to transfer() */ |
929 | /* we now skip the entersub that lead to transfer() */ |
843 | PL_op = PL_op->op_next; |
930 | PL_op = PL_op->op_next; |
844 | |
931 | |
845 | /* inject a fake subroutine call to cctx_init */ |
932 | /* inject a fake subroutine call to cctx_init */ |
846 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
933 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
847 | |
934 | |
848 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
935 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
849 | PL_restartop = PL_op; |
936 | PL_restartop = PL_op; |
850 | perl_run (PL_curinterp); |
937 | perl_run (PL_curinterp); |
851 | |
938 | |
… | |
… | |
870 | ++cctx_count; |
957 | ++cctx_count; |
871 | |
958 | |
872 | Newz (0, cctx, 1, coro_cctx); |
959 | Newz (0, cctx, 1, coro_cctx); |
873 | |
960 | |
874 | #if HAVE_MMAP |
961 | #if HAVE_MMAP |
875 | |
|
|
876 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
962 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
877 | /* mmap supposedly does allocate-on-write for us */ |
963 | /* mmap supposedly does allocate-on-write for us */ |
878 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
964 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
879 | |
965 | |
880 | if (cctx->sptr != (void *)-1) |
966 | if (cctx->sptr != (void *)-1) |
… | |
… | |
901 | stack_start = cctx->sptr; |
987 | stack_start = cctx->sptr; |
902 | stack_size = cctx->ssize; |
988 | stack_size = cctx->ssize; |
903 | } |
989 | } |
904 | |
990 | |
905 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
991 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
906 | coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size); |
992 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
907 | |
993 | |
908 | return cctx; |
994 | return cctx; |
909 | } |
995 | } |
910 | |
996 | |
911 | static void |
997 | static void |
… | |
… | |
928 | Safefree (cctx->sptr); |
1014 | Safefree (cctx->sptr); |
929 | |
1015 | |
930 | Safefree (cctx); |
1016 | Safefree (cctx); |
931 | } |
1017 | } |
932 | |
1018 | |
|
|
1019 | /* wether this cctx should be destructed */ |
|
|
1020 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
|
|
1021 | |
933 | static coro_cctx * |
1022 | static coro_cctx * |
934 | cctx_get (pTHX) |
1023 | cctx_get (pTHX) |
935 | { |
1024 | { |
936 | while (cctx_first) |
1025 | while (expect_true (cctx_first)) |
937 | { |
1026 | { |
938 | coro_cctx *cctx = cctx_first; |
1027 | coro_cctx *cctx = cctx_first; |
939 | cctx_first = cctx->next; |
1028 | cctx_first = cctx->next; |
940 | --cctx_idle; |
1029 | --cctx_idle; |
941 | |
1030 | |
942 | if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE)) |
1031 | if (expect_true (!CCTX_EXPIRED (cctx))) |
943 | return cctx; |
1032 | return cctx; |
944 | |
1033 | |
945 | cctx_destroy (cctx); |
1034 | cctx_destroy (cctx); |
946 | } |
1035 | } |
947 | |
1036 | |
… | |
… | |
950 | |
1039 | |
951 | static void |
1040 | static void |
952 | cctx_put (coro_cctx *cctx) |
1041 | cctx_put (coro_cctx *cctx) |
953 | { |
1042 | { |
954 | /* free another cctx if overlimit */ |
1043 | /* free another cctx if overlimit */ |
955 | if (cctx_idle >= MAX_IDLE_CCTX) |
1044 | if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) |
956 | { |
1045 | { |
957 | coro_cctx *first = cctx_first; |
1046 | coro_cctx *first = cctx_first; |
958 | cctx_first = first->next; |
1047 | cctx_first = first->next; |
959 | --cctx_idle; |
1048 | --cctx_idle; |
960 | |
1049 | |
… | |
… | |
966 | cctx_first = cctx; |
1055 | cctx_first = cctx; |
967 | } |
1056 | } |
968 | |
1057 | |
969 | /** coroutine switching *****************************************************/ |
1058 | /** coroutine switching *****************************************************/ |
970 | |
1059 | |
971 | static void NOINLINE |
1060 | static void |
972 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1061 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
973 | { |
1062 | { |
974 | if (prev != next) |
1063 | if (expect_true (prev != next)) |
975 | { |
1064 | { |
976 | if (!(prev->flags & (CF_RUNNING | CF_NEW))) |
1065 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
977 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
1066 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
978 | |
1067 | |
979 | if (next->flags & CF_RUNNING) |
1068 | if (expect_false (next->flags & CF_RUNNING)) |
980 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1069 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
981 | |
1070 | |
982 | if (next->flags & CF_DESTROYED) |
1071 | if (expect_false (next->flags & CF_DESTROYED)) |
983 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1072 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
984 | |
1073 | |
|
|
1074 | if ( |
|
|
1075 | #if PERL_VERSION_ATLEAST (5,9,0) |
|
|
1076 | expect_false (PL_parser) |
|
|
1077 | #else |
985 | if (PL_lex_state != LEX_NOTPARSING) |
1078 | expect_false (PL_lex_state != LEX_NOTPARSING) |
|
|
1079 | #endif |
|
|
1080 | ) |
986 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
1081 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
987 | } |
1082 | } |
988 | } |
1083 | } |
989 | |
1084 | |
990 | /* always use the TRANSFER macro */ |
1085 | /* always use the TRANSFER macro */ |
… | |
… | |
992 | transfer (pTHX_ struct coro *prev, struct coro *next) |
1087 | transfer (pTHX_ struct coro *prev, struct coro *next) |
993 | { |
1088 | { |
994 | dSTACKLEVEL; |
1089 | dSTACKLEVEL; |
995 | |
1090 | |
996 | /* sometimes transfer is only called to set idle_sp */ |
1091 | /* sometimes transfer is only called to set idle_sp */ |
997 | if (!next) |
1092 | if (expect_false (!next)) |
998 | { |
1093 | { |
999 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1094 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1000 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1095 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1001 | } |
1096 | } |
1002 | else if (prev != next) |
1097 | else if (expect_true (prev != next)) |
1003 | { |
1098 | { |
1004 | coro_cctx *prev__cctx; |
1099 | coro_cctx *prev__cctx; |
1005 | |
1100 | |
1006 | if (prev->flags & CF_NEW) |
1101 | if (expect_false (prev->flags & CF_NEW)) |
1007 | { |
1102 | { |
1008 | /* create a new empty context */ |
1103 | /* create a new empty context */ |
1009 | Newz (0, prev->cctx, 1, coro_cctx); |
1104 | Newz (0, prev->cctx, 1, coro_cctx); |
1010 | prev->flags &= ~CF_NEW; |
1105 | prev->flags &= ~CF_NEW; |
1011 | prev->flags |= CF_RUNNING; |
1106 | prev->flags |= CF_RUNNING; |
… | |
… | |
1014 | prev->flags &= ~CF_RUNNING; |
1109 | prev->flags &= ~CF_RUNNING; |
1015 | next->flags |= CF_RUNNING; |
1110 | next->flags |= CF_RUNNING; |
1016 | |
1111 | |
1017 | LOCK; |
1112 | LOCK; |
1018 | |
1113 | |
1019 | if (next->flags & CF_NEW) |
1114 | if (expect_false (next->flags & CF_NEW)) |
1020 | { |
1115 | { |
1021 | /* need to start coroutine */ |
1116 | /* need to start coroutine */ |
1022 | next->flags &= ~CF_NEW; |
1117 | next->flags &= ~CF_NEW; |
1023 | /* first get rid of the old state */ |
1118 | /* first get rid of the old state */ |
1024 | save_perl (aTHX_ prev); |
1119 | save_perl (aTHX_ prev); |
… | |
… | |
1033 | } |
1128 | } |
1034 | |
1129 | |
1035 | prev__cctx = prev->cctx; |
1130 | prev__cctx = prev->cctx; |
1036 | |
1131 | |
1037 | /* possibly "free" the cctx */ |
1132 | /* possibly "free" the cctx */ |
1038 | if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)) |
1133 | if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) |
1039 | { |
1134 | { |
1040 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1135 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1041 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1136 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1042 | |
1137 | |
1043 | prev->cctx = 0; |
1138 | prev->cctx = 0; |
1044 | |
1139 | |
|
|
1140 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
|
|
1141 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
|
|
1142 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
|
|
1143 | if (!next->cctx) |
|
|
1144 | next->cctx = cctx_get (aTHX); |
|
|
1145 | |
1045 | cctx_put (prev__cctx); |
1146 | cctx_put (prev__cctx); |
1046 | } |
1147 | } |
1047 | |
1148 | |
1048 | ++next->usecount; |
1149 | ++next->usecount; |
1049 | |
1150 | |
1050 | if (!next->cctx) |
1151 | if (expect_true (!next->cctx)) |
1051 | next->cctx = cctx_get (aTHX); |
1152 | next->cctx = cctx_get (aTHX); |
1052 | |
1153 | |
1053 | if (prev__cctx != next->cctx) |
1154 | if (expect_false (prev__cctx != next->cctx)) |
1054 | { |
1155 | { |
1055 | prev__cctx->top_env = PL_top_env; |
1156 | prev__cctx->top_env = PL_top_env; |
1056 | PL_top_env = next->cctx->top_env; |
1157 | PL_top_env = next->cctx->top_env; |
1057 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1158 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1058 | } |
1159 | } |
1059 | |
1160 | |
1060 | free_coro_mortal (aTHX); |
1161 | free_coro_mortal (aTHX); |
1061 | UNLOCK; |
1162 | UNLOCK; |
|
|
1163 | |
|
|
1164 | if (expect_false (prev->throw || next->throw)) |
|
|
1165 | { |
|
|
1166 | struct coro *coro = SvSTATE (coro_current); |
|
|
1167 | |
|
|
1168 | if (coro->throw) |
|
|
1169 | { |
|
|
1170 | SV *exception = coro->throw; |
|
|
1171 | coro->throw = 0; |
|
|
1172 | sv_setsv (ERRSV, exception); |
|
|
1173 | croak (0); |
|
|
1174 | } |
|
|
1175 | } |
1062 | } |
1176 | } |
1063 | } |
1177 | } |
1064 | |
1178 | |
1065 | struct transfer_args |
1179 | struct transfer_args |
1066 | { |
1180 | { |
… | |
… | |
1101 | save_perl (aTHX_ &temp); |
1215 | save_perl (aTHX_ &temp); |
1102 | load_perl (aTHX_ coro); |
1216 | load_perl (aTHX_ coro); |
1103 | |
1217 | |
1104 | coro_destroy (aTHX_ coro); |
1218 | coro_destroy (aTHX_ coro); |
1105 | |
1219 | |
1106 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
1220 | load_perl (aTHX_ &temp); |
1107 | |
1221 | |
1108 | coro->mainstack = 0; |
1222 | coro->slot = 0; |
1109 | } |
1223 | } |
1110 | |
1224 | |
1111 | cctx_destroy (coro->cctx); |
1225 | cctx_destroy (coro->cctx); |
1112 | SvREFCNT_dec (coro->args); |
1226 | SvREFCNT_dec (coro->args); |
1113 | |
1227 | |
… | |
… | |
1238 | { |
1352 | { |
1239 | LOCK; |
1353 | LOCK; |
1240 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1354 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1241 | |
1355 | |
1242 | /* nothing to schedule: call the idle handler */ |
1356 | /* nothing to schedule: call the idle handler */ |
1243 | if (!next_sv) |
1357 | if (expect_false (!next_sv)) |
1244 | { |
1358 | { |
1245 | dSP; |
1359 | dSP; |
1246 | UNLOCK; |
1360 | UNLOCK; |
1247 | |
1361 | |
1248 | ENTER; |
1362 | ENTER; |
… | |
… | |
1258 | } |
1372 | } |
1259 | |
1373 | |
1260 | ta->next = SvSTATE (next_sv); |
1374 | ta->next = SvSTATE (next_sv); |
1261 | |
1375 | |
1262 | /* cannot transfer to destroyed coros, skip and look for next */ |
1376 | /* cannot transfer to destroyed coros, skip and look for next */ |
1263 | if (ta->next->flags & CF_DESTROYED) |
1377 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1264 | { |
1378 | { |
1265 | UNLOCK; |
1379 | UNLOCK; |
1266 | SvREFCNT_dec (next_sv); |
1380 | SvREFCNT_dec (next_sv); |
1267 | /* coro_nready is already taken care of by destroy */ |
1381 | /* coro_nready is already taken care of by destroy */ |
1268 | continue; |
1382 | continue; |
… | |
… | |
1324 | dTHX; |
1438 | dTHX; |
1325 | struct transfer_args ta; |
1439 | struct transfer_args ta; |
1326 | |
1440 | |
1327 | prepare_cede (aTHX_ &ta); |
1441 | prepare_cede (aTHX_ &ta); |
1328 | |
1442 | |
1329 | if (ta.prev != ta.next) |
1443 | if (expect_true (ta.prev != ta.next)) |
1330 | { |
1444 | { |
1331 | TRANSFER (ta); |
1445 | TRANSFER (ta); |
1332 | return 1; |
1446 | return 1; |
1333 | } |
1447 | } |
1334 | else |
1448 | else |
… | |
… | |
1370 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
1484 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
1371 | |
1485 | |
1372 | if (coro->flags & CF_RUNNING) |
1486 | if (coro->flags & CF_RUNNING) |
1373 | PL_runops = RUNOPS_DEFAULT; |
1487 | PL_runops = RUNOPS_DEFAULT; |
1374 | else |
1488 | else |
1375 | coro->runops = RUNOPS_DEFAULT; |
1489 | coro->slot->runops = RUNOPS_DEFAULT; |
1376 | } |
1490 | } |
1377 | } |
1491 | } |
1378 | |
1492 | |
1379 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1493 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1380 | |
1494 | |
… | |
… | |
1385 | #ifdef USE_ITHREADS |
1499 | #ifdef USE_ITHREADS |
1386 | MUTEX_INIT (&coro_mutex); |
1500 | MUTEX_INIT (&coro_mutex); |
1387 | #endif |
1501 | #endif |
1388 | BOOT_PAGESIZE; |
1502 | BOOT_PAGESIZE; |
1389 | |
1503 | |
1390 | irsgv = gv_fetchpv ("/", 1, SVt_PV); |
1504 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
|
|
1505 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
|
|
1506 | |
|
|
1507 | hv_sig = coro_get_hv ("SIG", TRUE); |
|
|
1508 | sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE); |
|
|
1509 | sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE); |
|
|
1510 | |
|
|
1511 | if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); |
|
|
1512 | if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0); |
1391 | |
1513 | |
1392 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1514 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1393 | |
1515 | |
1394 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1516 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1395 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1517 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
… | |
… | |
1426 | |
1548 | |
1427 | coro->hv = hv = newHV (); |
1549 | coro->hv = hv = newHV (); |
1428 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1550 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1429 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1551 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1430 | |
1552 | |
|
|
1553 | av_extend (coro->args, items - 1); |
1431 | for (i = 1; i < items; i++) |
1554 | for (i = 1; i < items; i++) |
1432 | av_push (coro->args, newSVsv (ST (i))); |
1555 | av_push (coro->args, newSVsv (ST (i))); |
1433 | } |
1556 | } |
1434 | OUTPUT: |
1557 | OUTPUT: |
1435 | RETVAL |
1558 | RETVAL |
… | |
… | |
1478 | } |
1601 | } |
1479 | |
1602 | |
1480 | BARRIER; |
1603 | BARRIER; |
1481 | TRANSFER (ta); |
1604 | TRANSFER (ta); |
1482 | |
1605 | |
1483 | if (GIMME_V != G_VOID && ta.next != ta.prev) |
1606 | if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev)) |
1484 | XSRETURN_YES; |
1607 | XSRETURN_YES; |
1485 | } |
1608 | } |
1486 | |
1609 | |
1487 | bool |
1610 | bool |
1488 | _destroy (SV *coro_sv) |
1611 | _destroy (SV *coro_sv) |
… | |
… | |
1538 | CODE: |
1661 | CODE: |
1539 | { |
1662 | { |
1540 | if (coro->mainstack) |
1663 | if (coro->mainstack) |
1541 | { |
1664 | { |
1542 | struct coro temp; |
1665 | struct coro temp; |
1543 | Zero (&temp, 1, struct coro); |
|
|
1544 | |
1666 | |
1545 | if (!(coro->flags & CF_RUNNING)) |
1667 | if (!(coro->flags & CF_RUNNING)) |
1546 | { |
1668 | { |
1547 | save_perl (aTHX_ &temp); |
1669 | save_perl (aTHX_ &temp); |
1548 | load_perl (aTHX_ coro); |
1670 | load_perl (aTHX_ coro); |
… | |
… | |
1552 | dSP; |
1674 | dSP; |
1553 | ENTER; |
1675 | ENTER; |
1554 | SAVETMPS; |
1676 | SAVETMPS; |
1555 | PUSHMARK (SP); |
1677 | PUSHMARK (SP); |
1556 | PUTBACK; |
1678 | PUTBACK; |
|
|
1679 | |
1557 | if (ix) |
1680 | if (ix) |
1558 | eval_sv (coderef, 0); |
1681 | eval_sv (coderef, 0); |
1559 | else |
1682 | else |
1560 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1683 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
1684 | |
1561 | SPAGAIN; |
1685 | SPAGAIN; |
1562 | FREETMPS; |
1686 | FREETMPS; |
1563 | LEAVE; |
1687 | LEAVE; |
1564 | PUTBACK; |
1688 | PUTBACK; |
1565 | } |
1689 | } |
… | |
… | |
1623 | |
1747 | |
1624 | BOOT: |
1748 | BOOT: |
1625 | { |
1749 | { |
1626 | int i; |
1750 | int i; |
1627 | |
1751 | |
1628 | sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); |
1752 | sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE); |
1629 | sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); |
1753 | sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE); |
1630 | av_async_pool = get_av ("Coro::async_pool", TRUE); |
1754 | av_async_pool = coro_get_av ("Coro::async_pool", TRUE); |
1631 | |
1755 | |
1632 | coro_current = get_sv ("Coro::current", FALSE); |
1756 | coro_current = coro_get_sv ("Coro::current", FALSE); |
1633 | SvREADONLY_on (coro_current); |
1757 | SvREADONLY_on (coro_current); |
1634 | |
1758 | |
1635 | coro_stash = gv_stashpv ("Coro", TRUE); |
1759 | coro_stash = gv_stashpv ("Coro", TRUE); |
1636 | |
1760 | |
1637 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1761 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1638 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1762 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1639 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1763 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1640 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1764 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
… | |
… | |
1643 | |
1767 | |
1644 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1768 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1645 | coro_ready[i] = newAV (); |
1769 | coro_ready[i] = newAV (); |
1646 | |
1770 | |
1647 | { |
1771 | { |
1648 | SV *sv = perl_get_sv("Coro::API", 1); |
1772 | SV *sv = perl_get_sv ("Coro::API", TRUE); |
|
|
1773 | perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */ |
1649 | |
1774 | |
1650 | coroapi.schedule = api_schedule; |
1775 | coroapi.schedule = api_schedule; |
1651 | coroapi.cede = api_cede; |
1776 | coroapi.cede = api_cede; |
1652 | coroapi.cede_notself = api_cede_notself; |
1777 | coroapi.cede_notself = api_cede_notself; |
1653 | coroapi.ready = api_ready; |
1778 | coroapi.ready = api_ready; |
… | |
… | |
1704 | CODE: |
1829 | CODE: |
1705 | RETVAL = coro_nready; |
1830 | RETVAL = coro_nready; |
1706 | OUTPUT: |
1831 | OUTPUT: |
1707 | RETVAL |
1832 | RETVAL |
1708 | |
1833 | |
|
|
1834 | void |
|
|
1835 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
1836 | PROTOTYPE: $;$ |
|
|
1837 | CODE: |
|
|
1838 | SvREFCNT_dec (self->throw); |
|
|
1839 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
1840 | |
1709 | # for async_pool speedup |
1841 | # for async_pool speedup |
1710 | void |
1842 | void |
1711 | _pool_1 (SV *cb) |
1843 | _pool_1 (SV *cb) |
1712 | CODE: |
1844 | CODE: |
1713 | { |
1845 | { |
1714 | struct coro *coro = SvSTATE (coro_current); |
1846 | struct coro *coro = SvSTATE (coro_current); |
1715 | HV *hv = (HV *)SvRV (coro_current); |
1847 | HV *hv = (HV *)SvRV (coro_current); |
1716 | AV *defav = GvAV (PL_defgv); |
1848 | AV *defav = GvAV (PL_defgv); |
1717 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1849 | SV *invoke = hv_delete (hv, strpair ("_invoke"), 0); |
1718 | AV *invoke_av; |
1850 | AV *invoke_av; |
1719 | int i, len; |
1851 | int i, len; |
1720 | |
1852 | |
1721 | if (!invoke) |
1853 | if (!invoke) |
1722 | croak ("\3terminate\2\n"); |
1854 | croak ("\3async_pool terminate\2\n"); |
1723 | |
1855 | |
1724 | SvREFCNT_dec (coro->saved_deffh); |
1856 | SvREFCNT_dec (coro->saved_deffh); |
1725 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
1857 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
1726 | |
1858 | |
1727 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1859 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1728 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
1860 | newSVpvn (strpair ("[async_pool]")), 0); |
1729 | |
1861 | |
1730 | invoke_av = (AV *)SvRV (invoke); |
1862 | invoke_av = (AV *)SvRV (invoke); |
1731 | len = av_len (invoke_av); |
1863 | len = av_len (invoke_av); |
1732 | |
1864 | |
1733 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
1865 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
… | |
… | |
1753 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1885 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1754 | coro->saved_deffh = 0; |
1886 | coro->saved_deffh = 0; |
1755 | |
1887 | |
1756 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1888 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1757 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1889 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1758 | croak ("\3terminate\2\n"); |
1890 | croak ("\3async_pool terminate\2\n"); |
1759 | |
1891 | |
1760 | av_clear (GvAV (PL_defgv)); |
1892 | av_clear (GvAV (PL_defgv)); |
1761 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1893 | hv_store ((HV *)SvRV (coro_current), strpair ("desc"), |
1762 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1894 | newSVpvn (strpair ("[async_pool idle]")), 0); |
1763 | |
1895 | |
1764 | coro->prio = 0; |
1896 | coro->prio = 0; |
1765 | |
1897 | |
1766 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
1898 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
1767 | api_trace (coro_current, 0); |
1899 | api_trace (coro_current, 0); |