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; |
… | |
… | |
131 | static struct CoroAPI coroapi; |
147 | static struct CoroAPI coroapi; |
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 */ |
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152 | |
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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; |
136 | |
159 | |
137 | /* async_pool helper stuff */ |
160 | /* async_pool helper stuff */ |
138 | static SV *sv_pool_rss; |
161 | static SV *sv_pool_rss; |
139 | static SV *sv_pool_size; |
162 | static SV *sv_pool_size; |
140 | static AV *av_async_pool; |
163 | static AV *av_async_pool; |
… | |
… | |
176 | CF_READY = 0x0002, /* coroutine is ready */ |
199 | CF_READY = 0x0002, /* coroutine is ready */ |
177 | CF_NEW = 0x0004, /* has never been switched to */ |
200 | CF_NEW = 0x0004, /* has never been switched to */ |
178 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
201 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
179 | }; |
202 | }; |
180 | |
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 | |
181 | /* this is a structure representing a perl-level coroutine */ |
217 | /* this is a structure representing a perl-level coroutine */ |
182 | struct coro { |
218 | struct coro { |
183 | /* the c coroutine allocated to this perl coroutine, if any */ |
219 | /* the c coroutine allocated to this perl coroutine, if any */ |
184 | coro_cctx *cctx; |
220 | coro_cctx *cctx; |
185 | |
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 | |
186 | /* data associated with this coroutine (initial args) */ |
226 | /* data associated with this coroutine (initial args) */ |
187 | AV *args; |
227 | AV *args; |
188 | int refcnt; |
228 | int refcnt; |
189 | int save; /* CORO_SAVE flags */ |
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190 | int flags; /* CF_ flags */ |
229 | int flags; /* CF_ flags */ |
191 | |
230 | |
192 | /* optionally saved, might be zero */ |
231 | /* statistics */ |
193 | AV *defav; /* @_ */ |
232 | int usecount; /* number of transfers to this coro */ |
194 | SV *defsv; /* $_ */ |
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195 | SV *errsv; /* $@ */ |
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196 | GV *deffh; /* default filehandle */ |
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197 | SV *irssv; /* $/ */ |
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198 | SV *irssv_sv; /* real $/ cache */ |
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199 | |
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200 | #define VAR(name,type) type name; |
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201 | # include "state.h" |
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202 | #undef VAR |
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203 | |
233 | |
204 | /* coro process data */ |
234 | /* coro process data */ |
205 | int prio; |
235 | int prio; |
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236 | SV *throw; |
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237 | |
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238 | /* async_pool */ |
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239 | SV *saved_deffh; |
206 | |
240 | |
207 | /* linked list */ |
241 | /* linked list */ |
208 | struct coro *next, *prev; |
242 | struct coro *next, *prev; |
209 | HV *hv; /* the perl hash associated with this coro, if any */ |
243 | HV *hv; /* the perl hash associated with this coro, if any */ |
210 | }; |
244 | }; |
… | |
… | |
226 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
260 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
227 | static int coro_nready; |
261 | static int coro_nready; |
228 | static struct coro *coro_first; |
262 | static struct coro *coro_first; |
229 | |
263 | |
230 | /** lowlevel stuff **********************************************************/ |
264 | /** lowlevel stuff **********************************************************/ |
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265 | |
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266 | static SV * |
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267 | coro_get_sv (const char *name, int create) |
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268 | { |
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269 | #if PERL_VERSION_ATLEAST (5,9,0) |
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270 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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271 | get_sv (name, create); |
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272 | #endif |
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273 | return get_sv (name, create); |
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274 | } |
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275 | |
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276 | static AV * |
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277 | coro_get_av (const char *name, int create) |
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278 | { |
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279 | #if PERL_VERSION_ATLEAST (5,9,0) |
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280 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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281 | get_av (name, create); |
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282 | #endif |
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283 | return get_av (name, create); |
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284 | } |
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285 | |
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286 | static HV * |
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287 | coro_get_hv (const char *name, int create) |
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288 | { |
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289 | #if PERL_VERSION_ATLEAST (5,9,0) |
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290 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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291 | get_hv (name, create); |
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292 | #endif |
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293 | return get_hv (name, create); |
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294 | } |
231 | |
295 | |
232 | static AV * |
296 | static AV * |
233 | coro_clone_padlist (pTHX_ CV *cv) |
297 | coro_clone_padlist (pTHX_ CV *cv) |
234 | { |
298 | { |
235 | AV *padlist = CvPADLIST (cv); |
299 | AV *padlist = CvPADLIST (cv); |
… | |
… | |
299 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
363 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
300 | ? SvMAGIC (cv) \ |
364 | ? SvMAGIC (cv) \ |
301 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
365 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
302 | : 0 |
366 | : 0 |
303 | |
367 | |
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368 | static struct coro * |
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369 | SvSTATE_ (pTHX_ SV *coro) |
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370 | { |
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371 | HV *stash; |
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372 | MAGIC *mg; |
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373 | |
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374 | if (SvROK (coro)) |
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375 | coro = SvRV (coro); |
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376 | |
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377 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
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378 | croak ("Coro::State object required"); |
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379 | |
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380 | stash = SvSTASH (coro); |
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381 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
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382 | { |
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383 | /* very slow, but rare, check */ |
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384 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
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385 | croak ("Coro::State object required"); |
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386 | } |
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387 | |
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388 | mg = CORO_MAGIC (coro); |
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389 | return (struct coro *)mg->mg_ptr; |
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390 | } |
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391 | |
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392 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
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393 | |
304 | /* the next two functions merely cache the padlists */ |
394 | /* the next two functions merely cache the padlists */ |
305 | static void |
395 | static void |
306 | get_padlist (pTHX_ CV *cv) |
396 | get_padlist (pTHX_ CV *cv) |
307 | { |
397 | { |
308 | MAGIC *mg = CORO_MAGIC (cv); |
398 | MAGIC *mg = CORO_MAGIC (cv); |
309 | AV *av; |
399 | AV *av; |
310 | |
400 | |
311 | if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) |
401 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
312 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
402 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
313 | else |
403 | else |
314 | { |
404 | { |
315 | #if CORO_PREFER_PERL_FUNCTIONS |
405 | #if CORO_PREFER_PERL_FUNCTIONS |
316 | /* this is probably cleaner, but also slower? */ |
406 | /* this is probably cleaner, but also slower? */ |
… | |
… | |
328 | put_padlist (pTHX_ CV *cv) |
418 | put_padlist (pTHX_ CV *cv) |
329 | { |
419 | { |
330 | MAGIC *mg = CORO_MAGIC (cv); |
420 | MAGIC *mg = CORO_MAGIC (cv); |
331 | AV *av; |
421 | AV *av; |
332 | |
422 | |
333 | if (!mg) |
423 | if (expect_false (!mg)) |
334 | { |
424 | { |
335 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
425 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
336 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
426 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
337 | mg->mg_virtual = &vtbl_coro; |
427 | mg->mg_virtual = &vtbl_coro; |
338 | mg->mg_obj = (SV *)newAV (); |
428 | mg->mg_obj = (SV *)newAV (); |
339 | } |
429 | } |
340 | |
430 | |
341 | av = (AV *)mg->mg_obj; |
431 | av = (AV *)mg->mg_obj; |
342 | |
432 | |
343 | if (AvFILLp (av) >= AvMAX (av)) |
433 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
344 | av_extend (av, AvMAX (av) + 1); |
434 | av_extend (av, AvMAX (av) + 1); |
345 | |
435 | |
346 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
436 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
347 | } |
437 | } |
348 | |
438 | |
349 | /** load & save, init *******************************************************/ |
439 | /** load & save, init *******************************************************/ |
350 | |
440 | |
351 | #define SB do { |
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352 | #define SE } while (0) |
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353 | |
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354 | #define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE |
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355 | |
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356 | static void |
441 | static void |
357 | load_perl (pTHX_ Coro__State c) |
442 | load_perl (pTHX_ Coro__State c) |
358 | { |
443 | { |
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444 | perl_slots *slot = c->slot; |
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445 | c->slot = 0; |
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446 | |
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447 | PL_mainstack = c->mainstack; |
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448 | |
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449 | GvSV (PL_defgv) = slot->defsv; |
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450 | GvAV (PL_defgv) = slot->defav; |
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451 | GvSV (PL_errgv) = slot->errsv; |
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452 | GvSV (irsgv) = slot->irsgv; |
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453 | |
359 | #define VAR(name,type) PL_ ## name = c->name; |
454 | #define VAR(name,type) PL_ ## name = slot->name; |
360 | # include "state.h" |
455 | # include "state.h" |
361 | #undef VAR |
456 | #undef VAR |
362 | |
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363 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
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364 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
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365 | if (c->errsv) REPLACE_SV (ERRSV , c->errsv); |
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366 | if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh); |
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367 | |
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368 | if (c->irssv) |
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369 | { |
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370 | if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv)) |
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371 | { |
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372 | SvREFCNT_dec (c->irssv); |
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373 | c->irssv = 0; |
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374 | } |
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375 | else |
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376 | { |
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377 | REPLACE_SV (PL_rs, c->irssv); |
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378 | if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0); |
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379 | sv_setsv (c->irssv_sv, PL_rs); |
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380 | } |
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381 | } |
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382 | |
457 | |
383 | { |
458 | { |
384 | dSP; |
459 | dSP; |
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460 | |
385 | CV *cv; |
461 | CV *cv; |
386 | |
462 | |
387 | /* now do the ugly restore mess */ |
463 | /* now do the ugly restore mess */ |
388 | while ((cv = (CV *)POPs)) |
464 | while (expect_true (cv = (CV *)POPs)) |
389 | { |
465 | { |
390 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
466 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
391 | CvDEPTH (cv) = PTR2IV (POPs); |
467 | CvDEPTH (cv) = PTR2IV (POPs); |
392 | CvPADLIST (cv) = (AV *)POPs; |
468 | CvPADLIST (cv) = (AV *)POPs; |
393 | } |
469 | } |
… | |
… | |
412 | |
488 | |
413 | XPUSHs (Nullsv); |
489 | XPUSHs (Nullsv); |
414 | /* this loop was inspired by pp_caller */ |
490 | /* this loop was inspired by pp_caller */ |
415 | for (;;) |
491 | for (;;) |
416 | { |
492 | { |
417 | while (cxix >= 0) |
493 | while (expect_true (cxix >= 0)) |
418 | { |
494 | { |
419 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
495 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
420 | |
496 | |
421 | if (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT) |
497 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
422 | { |
498 | { |
423 | CV *cv = cx->blk_sub.cv; |
499 | CV *cv = cx->blk_sub.cv; |
424 | |
500 | |
425 | if (CvDEPTH (cv)) |
501 | if (expect_true (CvDEPTH (cv))) |
426 | { |
502 | { |
427 | EXTEND (SP, 3); |
503 | EXTEND (SP, 3); |
428 | PUSHs ((SV *)CvPADLIST (cv)); |
504 | PUSHs ((SV *)CvPADLIST (cv)); |
429 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
505 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
430 | PUSHs ((SV *)cv); |
506 | PUSHs ((SV *)cv); |
… | |
… | |
433 | get_padlist (aTHX_ cv); |
509 | get_padlist (aTHX_ cv); |
434 | } |
510 | } |
435 | } |
511 | } |
436 | } |
512 | } |
437 | |
513 | |
438 | if (top_si->si_type == PERLSI_MAIN) |
514 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
439 | break; |
515 | break; |
440 | |
516 | |
441 | top_si = top_si->si_prev; |
517 | top_si = top_si->si_prev; |
442 | ccstk = top_si->si_cxstack; |
518 | ccstk = top_si->si_cxstack; |
443 | cxix = top_si->si_cxix; |
519 | cxix = top_si->si_cxix; |
444 | } |
520 | } |
445 | |
521 | |
446 | PUTBACK; |
522 | PUTBACK; |
447 | } |
523 | } |
448 | |
524 | |
449 | c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; |
525 | /* allocate some space on the context stack for our purposes */ |
450 | c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; |
526 | { |
451 | c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; |
527 | /* we manually unroll here, as usually 2 slots is enough */ |
452 | c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0; |
528 | int i; |
453 | c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; |
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 | for (i = 3; i < SLOT_COUNT; ++i) |
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533 | CXINC; |
454 | |
534 | |
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535 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
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536 | } |
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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 | |
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543 | slot->defav = GvAV (PL_defgv); |
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544 | slot->defsv = DEFSV; |
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545 | slot->errsv = ERRSV; |
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546 | slot->irsgv = GvSV (irsgv); |
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547 | |
455 | #define VAR(name,type)c->name = PL_ ## name; |
548 | #define VAR(name,type) slot->name = PL_ ## name; |
456 | # include "state.h" |
549 | # include "state.h" |
457 | #undef VAR |
550 | #undef VAR |
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551 | } |
458 | } |
552 | } |
459 | |
553 | |
460 | /* |
554 | /* |
461 | * allocate various perl stacks. This is an exact copy |
555 | * allocate various perl stacks. This is an exact copy |
462 | * of perl.c:init_stacks, except that it uses less memory |
556 | * of perl.c:init_stacks, except that it uses less memory |
… | |
… | |
467 | # define coro_init_stacks init_stacks |
561 | # define coro_init_stacks init_stacks |
468 | #else |
562 | #else |
469 | static void |
563 | static void |
470 | coro_init_stacks (pTHX) |
564 | coro_init_stacks (pTHX) |
471 | { |
565 | { |
472 | PL_curstackinfo = new_stackinfo(64, 6); |
566 | PL_curstackinfo = new_stackinfo(32, 8); |
473 | PL_curstackinfo->si_type = PERLSI_MAIN; |
567 | PL_curstackinfo->si_type = PERLSI_MAIN; |
474 | PL_curstack = PL_curstackinfo->si_stack; |
568 | PL_curstack = PL_curstackinfo->si_stack; |
475 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
569 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
476 | |
570 | |
477 | PL_stack_base = AvARRAY(PL_curstack); |
571 | PL_stack_base = AvARRAY(PL_curstack); |
478 | PL_stack_sp = PL_stack_base; |
572 | PL_stack_sp = PL_stack_base; |
479 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
573 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
480 | |
574 | |
481 | New(50,PL_tmps_stack,64,SV*); |
575 | New(50,PL_tmps_stack,32,SV*); |
482 | PL_tmps_floor = -1; |
576 | PL_tmps_floor = -1; |
483 | PL_tmps_ix = -1; |
577 | PL_tmps_ix = -1; |
484 | PL_tmps_max = 64; |
578 | PL_tmps_max = 32; |
485 | |
579 | |
486 | New(54,PL_markstack,16,I32); |
580 | New(54,PL_markstack,16,I32); |
487 | PL_markstack_ptr = PL_markstack; |
581 | PL_markstack_ptr = PL_markstack; |
488 | PL_markstack_max = PL_markstack + 16; |
582 | PL_markstack_max = PL_markstack + 16; |
489 | |
583 | |
490 | #ifdef SET_MARK_OFFSET |
584 | #ifdef SET_MARK_OFFSET |
491 | SET_MARK_OFFSET; |
585 | SET_MARK_OFFSET; |
492 | #endif |
586 | #endif |
493 | |
587 | |
494 | New(54,PL_scopestack,16,I32); |
588 | New(54,PL_scopestack,8,I32); |
495 | PL_scopestack_ix = 0; |
589 | PL_scopestack_ix = 0; |
496 | PL_scopestack_max = 16; |
590 | PL_scopestack_max = 8; |
497 | |
591 | |
498 | New(54,PL_savestack,64,ANY); |
592 | New(54,PL_savestack,24,ANY); |
499 | PL_savestack_ix = 0; |
593 | PL_savestack_ix = 0; |
500 | PL_savestack_max = 64; |
594 | PL_savestack_max = 24; |
501 | |
595 | |
502 | #if !PERL_VERSION_ATLEAST (5,9,0) |
596 | #if !PERL_VERSION_ATLEAST (5,9,0) |
503 | New(54,PL_retstack,4,OP*); |
597 | New(54,PL_retstack,4,OP*); |
504 | PL_retstack_ix = 0; |
598 | PL_retstack_ix = 0; |
505 | PL_retstack_max = 4; |
599 | PL_retstack_max = 4; |
… | |
… | |
511 | * destroy the stacks, the callchain etc... |
605 | * destroy the stacks, the callchain etc... |
512 | */ |
606 | */ |
513 | static void |
607 | static void |
514 | coro_destroy_stacks (pTHX) |
608 | coro_destroy_stacks (pTHX) |
515 | { |
609 | { |
516 | if (!IN_DESTRUCT) |
|
|
517 | { |
|
|
518 | /* restore all saved variables and stuff */ |
|
|
519 | LEAVE_SCOPE (0); |
|
|
520 | assert (PL_tmps_floor == -1); |
|
|
521 | |
|
|
522 | /* free all temporaries */ |
|
|
523 | FREETMPS; |
|
|
524 | assert (PL_tmps_ix == -1); |
|
|
525 | |
|
|
526 | /* unwind all extra stacks */ |
|
|
527 | POPSTACK_TO (PL_mainstack); |
|
|
528 | |
|
|
529 | /* unwind main stack */ |
|
|
530 | dounwind (-1); |
|
|
531 | } |
|
|
532 | |
|
|
533 | while (PL_curstackinfo->si_next) |
610 | while (PL_curstackinfo->si_next) |
534 | PL_curstackinfo = PL_curstackinfo->si_next; |
611 | PL_curstackinfo = PL_curstackinfo->si_next; |
535 | |
612 | |
536 | while (PL_curstackinfo) |
613 | while (PL_curstackinfo) |
537 | { |
614 | { |
… | |
… | |
553 | Safefree (PL_retstack); |
630 | Safefree (PL_retstack); |
554 | #endif |
631 | #endif |
555 | } |
632 | } |
556 | |
633 | |
557 | static size_t |
634 | static size_t |
558 | coro_rss (struct coro *coro) |
635 | coro_rss (pTHX_ struct coro *coro) |
559 | { |
636 | { |
560 | size_t rss = sizeof (coro); |
637 | size_t rss = sizeof (*coro); |
561 | |
638 | |
562 | if (coro->mainstack) |
639 | if (coro->mainstack) |
563 | { |
640 | { |
|
|
641 | perl_slots tmp_slot; |
|
|
642 | perl_slots *slot; |
|
|
643 | |
564 | if (coro->flags & CF_RUNNING) |
644 | if (coro->flags & CF_RUNNING) |
565 | { |
645 | { |
|
|
646 | slot = &tmp_slot; |
|
|
647 | |
566 | #define VAR(name,type)coro->name = PL_ ## name; |
648 | #define VAR(name,type) slot->name = PL_ ## name; |
567 | # include "state.h" |
649 | # include "state.h" |
568 | #undef VAR |
650 | #undef VAR |
569 | } |
651 | } |
|
|
652 | else |
|
|
653 | slot = coro->slot; |
570 | |
654 | |
571 | rss += sizeof (coro->curstackinfo); |
655 | rss += sizeof (slot->curstackinfo); |
572 | rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); |
|
|
573 | rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
656 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
574 | rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
657 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
575 | rss += coro->tmps_max * sizeof (SV *); |
658 | rss += slot->tmps_max * sizeof (SV *); |
576 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
659 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
577 | rss += coro->scopestack_max * sizeof (I32); |
660 | rss += slot->scopestack_max * sizeof (I32); |
578 | rss += coro->savestack_max * sizeof (ANY); |
661 | rss += slot->savestack_max * sizeof (ANY); |
579 | |
662 | |
580 | #if !PERL_VERSION_ATLEAST (5,9,0) |
663 | #if !PERL_VERSION_ATLEAST (5,9,0) |
581 | rss += coro->retstack_max * sizeof (OP *); |
664 | rss += slot->retstack_max * sizeof (OP *); |
582 | #endif |
665 | #endif |
583 | } |
666 | } |
584 | |
667 | |
585 | return rss; |
668 | return rss; |
586 | } |
669 | } |
587 | |
670 | |
588 | /** coroutine stack handling ************************************************/ |
671 | /** coroutine stack handling ************************************************/ |
589 | |
672 | |
590 | static void |
673 | static void |
591 | setup_coro (pTHX_ struct coro *coro) |
674 | coro_setup (pTHX_ struct coro *coro) |
592 | { |
675 | { |
593 | /* |
676 | /* |
594 | * emulate part of the perl startup here. |
677 | * emulate part of the perl startup here. |
595 | */ |
678 | */ |
596 | coro_init_stacks (aTHX); |
679 | coro_init_stacks (aTHX); |
597 | |
680 | |
|
|
681 | PL_runops = RUNOPS_DEFAULT; |
598 | PL_curcop = &PL_compiling; |
682 | PL_curcop = &PL_compiling; |
599 | PL_in_eval = EVAL_NULL; |
683 | PL_in_eval = EVAL_NULL; |
600 | PL_comppad = 0; |
684 | PL_comppad = 0; |
601 | PL_curpm = 0; |
685 | PL_curpm = 0; |
|
|
686 | PL_curpad = 0; |
602 | PL_localizing = 0; |
687 | PL_localizing = 0; |
603 | PL_dirty = 0; |
688 | PL_dirty = 0; |
604 | PL_restartop = 0; |
689 | PL_restartop = 0; |
|
|
690 | SvREFCNT_inc (PL_diehook ); hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); |
|
|
691 | SvREFCNT_inc (PL_warnhook); hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0); |
|
|
692 | |
|
|
693 | GvSV (PL_defgv) = newSV (0); |
|
|
694 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
695 | GvSV (PL_errgv) = newSV (0); |
|
|
696 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
697 | PL_rs = newSVsv (GvSV (irsgv)); |
|
|
698 | PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv); |
605 | |
699 | |
606 | { |
700 | { |
607 | dSP; |
701 | dSP; |
608 | LOGOP myop; |
702 | LOGOP myop; |
609 | |
703 | |
610 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
611 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
612 | |
|
|
613 | Zero (&myop, 1, LOGOP); |
704 | Zero (&myop, 1, LOGOP); |
614 | myop.op_next = Nullop; |
705 | myop.op_next = Nullop; |
615 | myop.op_flags = OPf_WANT_VOID; |
706 | myop.op_flags = OPf_WANT_VOID; |
616 | |
707 | |
617 | PUSHMARK (SP); |
708 | PUSHMARK (SP); |
618 | XPUSHs (av_shift (GvAV (PL_defgv))); |
709 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
619 | PUTBACK; |
710 | PUTBACK; |
620 | PL_op = (OP *)&myop; |
711 | PL_op = (OP *)&myop; |
621 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
712 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
622 | SPAGAIN; |
713 | SPAGAIN; |
623 | } |
714 | } |
624 | |
715 | |
625 | ENTER; /* necessary e.g. for dounwind */ |
716 | ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */ |
|
|
717 | } |
|
|
718 | |
|
|
719 | static void |
|
|
720 | coro_destroy (pTHX_ struct coro *coro) |
|
|
721 | { |
|
|
722 | if (!IN_DESTRUCT) |
|
|
723 | { |
|
|
724 | /* restore all saved variables and stuff */ |
|
|
725 | LEAVE_SCOPE (0); |
|
|
726 | assert (PL_tmps_floor == -1); |
|
|
727 | |
|
|
728 | /* free all temporaries */ |
|
|
729 | FREETMPS; |
|
|
730 | assert (PL_tmps_ix == -1); |
|
|
731 | |
|
|
732 | /* unwind all extra stacks */ |
|
|
733 | POPSTACK_TO (PL_mainstack); |
|
|
734 | |
|
|
735 | /* unwind main stack */ |
|
|
736 | dounwind (-1); |
|
|
737 | } |
|
|
738 | |
|
|
739 | SvREFCNT_dec (GvSV (PL_defgv)); |
|
|
740 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
741 | SvREFCNT_dec (GvSV (PL_errgv)); |
|
|
742 | SvREFCNT_dec (PL_defoutgv); |
|
|
743 | SvREFCNT_dec (PL_rs); |
|
|
744 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
745 | |
|
|
746 | SvREFCNT_dec (PL_diehook); |
|
|
747 | SvREFCNT_dec (PL_warnhook); |
|
|
748 | |
|
|
749 | SvREFCNT_dec (coro->saved_deffh); |
|
|
750 | SvREFCNT_dec (coro->throw); |
|
|
751 | |
|
|
752 | coro_destroy_stacks (aTHX); |
626 | } |
753 | } |
627 | |
754 | |
628 | static void |
755 | static void |
629 | free_coro_mortal (pTHX) |
756 | free_coro_mortal (pTHX) |
630 | { |
757 | { |
631 | if (coro_mortal) |
758 | if (expect_true (coro_mortal)) |
632 | { |
759 | { |
633 | SvREFCNT_dec (coro_mortal); |
760 | SvREFCNT_dec (coro_mortal); |
634 | coro_mortal = 0; |
761 | coro_mortal = 0; |
635 | } |
762 | } |
636 | } |
763 | } |
637 | |
764 | |
638 | static int |
765 | static int |
639 | runops_coro (pTHX) |
766 | runops_trace (pTHX) |
640 | { |
767 | { |
641 | COP *oldcop = 0; |
768 | COP *oldcop = 0; |
642 | int oldcxix = -2; |
769 | int oldcxix = -2; |
|
|
770 | struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */ |
|
|
771 | coro_cctx *cctx = coro->cctx; |
643 | |
772 | |
644 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
773 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
645 | { |
774 | { |
646 | PERL_ASYNC_CHECK (); |
775 | PERL_ASYNC_CHECK (); |
647 | |
776 | |
648 | if (PL_op->op_type == OP_LEAVESUB) |
777 | if (cctx->flags & CC_TRACE_ALL) |
649 | { |
778 | { |
650 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
779 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
651 | SV **bot, **top; |
|
|
652 | AV *av = newAV (); /* return values */ |
|
|
653 | runops_proc_t old_runops = PL_runops; |
|
|
654 | dSP; |
|
|
655 | ENTER; |
|
|
656 | SAVETMPS; |
|
|
657 | EXTEND (SP, 3); |
|
|
658 | PL_runops = RUNOPS_DEFAULT; |
|
|
659 | |
|
|
660 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
661 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
662 | if (isGV (gv)) |
|
|
663 | gv_efullname3 (fullname, gv, 0); |
|
|
664 | |
|
|
665 | bot = PL_stack_base + cx->blk_oldsp + 1; |
|
|
666 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
|
|
667 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
|
|
668 | : bot; |
|
|
669 | |
|
|
670 | while (bot < top) |
|
|
671 | av_push (av, SvREFCNT_inc (*bot++)); |
|
|
672 | |
|
|
673 | PUSHMARK (SP); |
|
|
674 | PUSHs (&PL_sv_no); |
|
|
675 | PUSHs (fullname); |
|
|
676 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
677 | PUTBACK; |
|
|
678 | call_pv ("Coro::_do_trace_sub", G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
679 | SPAGAIN; |
|
|
680 | |
|
|
681 | FREETMPS; |
|
|
682 | LEAVE; |
|
|
683 | PL_runops = old_runops; |
|
|
684 | } |
|
|
685 | |
|
|
686 | if (oldcop != PL_curcop) |
|
|
687 | { |
|
|
688 | oldcop = PL_curcop; |
|
|
689 | |
|
|
690 | if (PL_curcop != &PL_compiling) |
|
|
691 | { |
780 | { |
692 | runops_proc_t old_runops = PL_runops; |
781 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
782 | SV **bot, **top; |
|
|
783 | AV *av = newAV (); /* return values */ |
|
|
784 | SV **cb; |
693 | dSP; |
785 | dSP; |
|
|
786 | |
|
|
787 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
788 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
789 | if (isGV (gv)) |
|
|
790 | gv_efullname3 (fullname, gv, 0); |
|
|
791 | |
|
|
792 | bot = PL_stack_base + cx->blk_oldsp + 1; |
|
|
793 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
|
|
794 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
|
|
795 | : bot; |
|
|
796 | |
|
|
797 | av_extend (av, top - bot); |
|
|
798 | while (bot < top) |
|
|
799 | av_push (av, SvREFCNT_inc (*bot++)); |
|
|
800 | |
|
|
801 | PL_runops = RUNOPS_DEFAULT; |
694 | ENTER; |
802 | ENTER; |
695 | SAVETMPS; |
803 | SAVETMPS; |
696 | EXTEND (SP, 3); |
804 | EXTEND (SP, 3); |
697 | PL_runops = RUNOPS_DEFAULT; |
|
|
698 | |
|
|
699 | if (oldcxix != cxstack_ix) |
|
|
700 | { |
|
|
701 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
702 | |
|
|
703 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
|
|
704 | { |
|
|
705 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
706 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
707 | if (isGV (gv)) |
|
|
708 | gv_efullname3 (fullname, gv, 0); |
|
|
709 | |
|
|
710 | PUSHMARK (SP); |
|
|
711 | PUSHs (&PL_sv_yes); |
|
|
712 | PUSHs (fullname); |
|
|
713 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
|
|
714 | PUTBACK; |
|
|
715 | call_pv ("Coro::_do_trace_sub", G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
716 | SPAGAIN; |
|
|
717 | } |
|
|
718 | |
|
|
719 | oldcxix = cxstack_ix; |
|
|
720 | } |
|
|
721 | |
|
|
722 | if (0) { |
|
|
723 | PUSHMARK (SP); |
805 | PUSHMARK (SP); |
724 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
806 | PUSHs (&PL_sv_no); |
725 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
807 | PUSHs (fullname); |
|
|
808 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
726 | PUTBACK; |
809 | PUTBACK; |
|
|
810 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); |
727 | call_pv ("Coro::_do_trace_line", G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
811 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
728 | SPAGAIN; |
812 | SPAGAIN; |
729 | } |
|
|
730 | |
|
|
731 | FREETMPS; |
813 | FREETMPS; |
732 | LEAVE; |
814 | LEAVE; |
733 | PL_runops = old_runops; |
815 | PL_runops = runops_trace; |
|
|
816 | } |
|
|
817 | |
|
|
818 | if (oldcop != PL_curcop) |
|
|
819 | { |
|
|
820 | oldcop = PL_curcop; |
|
|
821 | |
|
|
822 | if (PL_curcop != &PL_compiling) |
|
|
823 | { |
|
|
824 | SV **cb; |
|
|
825 | |
|
|
826 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
|
|
827 | { |
|
|
828 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
829 | |
|
|
830 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
|
|
831 | { |
|
|
832 | runops_proc_t old_runops = PL_runops; |
|
|
833 | dSP; |
|
|
834 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
835 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
836 | |
|
|
837 | if (isGV (gv)) |
|
|
838 | gv_efullname3 (fullname, gv, 0); |
|
|
839 | |
|
|
840 | PL_runops = RUNOPS_DEFAULT; |
|
|
841 | ENTER; |
|
|
842 | SAVETMPS; |
|
|
843 | EXTEND (SP, 3); |
|
|
844 | PUSHMARK (SP); |
|
|
845 | PUSHs (&PL_sv_yes); |
|
|
846 | PUSHs (fullname); |
|
|
847 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
|
|
848 | PUTBACK; |
|
|
849 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); |
|
|
850 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
851 | SPAGAIN; |
|
|
852 | FREETMPS; |
|
|
853 | LEAVE; |
|
|
854 | PL_runops = runops_trace; |
|
|
855 | } |
|
|
856 | |
|
|
857 | oldcxix = cxstack_ix; |
|
|
858 | } |
|
|
859 | |
|
|
860 | if (cctx->flags & CC_TRACE_LINE) |
|
|
861 | { |
|
|
862 | dSP; |
|
|
863 | |
|
|
864 | PL_runops = RUNOPS_DEFAULT; |
|
|
865 | ENTER; |
|
|
866 | SAVETMPS; |
|
|
867 | EXTEND (SP, 3); |
|
|
868 | PL_runops = RUNOPS_DEFAULT; |
|
|
869 | PUSHMARK (SP); |
|
|
870 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
|
|
871 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
|
|
872 | PUTBACK; |
|
|
873 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0); |
|
|
874 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
875 | SPAGAIN; |
|
|
876 | FREETMPS; |
|
|
877 | LEAVE; |
|
|
878 | PL_runops = runops_trace; |
|
|
879 | } |
|
|
880 | } |
734 | } |
881 | } |
735 | } |
882 | } |
736 | } |
883 | } |
737 | |
884 | |
738 | TAINT_NOT; |
885 | TAINT_NOT; |
… | |
… | |
749 | LOGOP myop; |
896 | LOGOP myop; |
750 | |
897 | |
751 | PL_top_env = &PL_start_env; |
898 | PL_top_env = &PL_start_env; |
752 | |
899 | |
753 | if (cctx->flags & CC_TRACE) |
900 | if (cctx->flags & CC_TRACE) |
754 | PL_runops = runops_coro; |
901 | PL_runops = runops_trace; |
755 | |
902 | |
756 | Zero (&myop, 1, LOGOP); |
903 | Zero (&myop, 1, LOGOP); |
757 | myop.op_next = PL_op; |
904 | myop.op_next = PL_op; |
758 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
905 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
759 | |
906 | |
… | |
… | |
867 | Safefree (cctx->sptr); |
1014 | Safefree (cctx->sptr); |
868 | |
1015 | |
869 | Safefree (cctx); |
1016 | Safefree (cctx); |
870 | } |
1017 | } |
871 | |
1018 | |
|
|
1019 | /* wether this cctx should be destructed */ |
|
|
1020 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
|
|
1021 | |
872 | static coro_cctx * |
1022 | static coro_cctx * |
873 | cctx_get (pTHX) |
1023 | cctx_get (pTHX) |
874 | { |
1024 | { |
875 | while (cctx_first) |
1025 | while (expect_true (cctx_first)) |
876 | { |
1026 | { |
877 | coro_cctx *cctx = cctx_first; |
1027 | coro_cctx *cctx = cctx_first; |
878 | cctx_first = cctx->next; |
1028 | cctx_first = cctx->next; |
879 | --cctx_idle; |
1029 | --cctx_idle; |
880 | |
1030 | |
881 | if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE)) |
1031 | if (expect_true (!CCTX_EXPIRED (cctx))) |
882 | return cctx; |
1032 | return cctx; |
883 | |
1033 | |
884 | cctx_destroy (cctx); |
1034 | cctx_destroy (cctx); |
885 | } |
1035 | } |
886 | |
1036 | |
… | |
… | |
889 | |
1039 | |
890 | static void |
1040 | static void |
891 | cctx_put (coro_cctx *cctx) |
1041 | cctx_put (coro_cctx *cctx) |
892 | { |
1042 | { |
893 | /* free another cctx if overlimit */ |
1043 | /* free another cctx if overlimit */ |
894 | if (cctx_idle >= MAX_IDLE_CCTX) |
1044 | if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) |
895 | { |
1045 | { |
896 | coro_cctx *first = cctx_first; |
1046 | coro_cctx *first = cctx_first; |
897 | cctx_first = first->next; |
1047 | cctx_first = first->next; |
898 | --cctx_idle; |
1048 | --cctx_idle; |
899 | |
1049 | |
… | |
… | |
905 | cctx_first = cctx; |
1055 | cctx_first = cctx; |
906 | } |
1056 | } |
907 | |
1057 | |
908 | /** coroutine switching *****************************************************/ |
1058 | /** coroutine switching *****************************************************/ |
909 | |
1059 | |
910 | /* never call directly, always through the coro_state_transfer global variable */ |
1060 | static void |
|
|
1061 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
|
|
1062 | { |
|
|
1063 | if (expect_true (prev != next)) |
|
|
1064 | { |
|
|
1065 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
|
|
1066 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
|
|
1067 | |
|
|
1068 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1069 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
1070 | |
|
|
1071 | if (expect_false (next->flags & CF_DESTROYED)) |
|
|
1072 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
1073 | |
|
|
1074 | if ( |
|
|
1075 | #if PERL_VERSION_ATLEAST (5,9,0) |
|
|
1076 | expect_false (PL_parser) |
|
|
1077 | #else |
|
|
1078 | expect_false (PL_lex_state != LEX_NOTPARSING) |
|
|
1079 | #endif |
|
|
1080 | ) |
|
|
1081 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
|
|
1082 | } |
|
|
1083 | } |
|
|
1084 | |
|
|
1085 | /* always use the TRANSFER macro */ |
911 | static void NOINLINE |
1086 | static void NOINLINE |
912 | transfer (pTHX_ struct coro *prev, struct coro *next) |
1087 | transfer (pTHX_ struct coro *prev, struct coro *next) |
913 | { |
1088 | { |
914 | dSTACKLEVEL; |
1089 | dSTACKLEVEL; |
915 | |
1090 | |
916 | /* sometimes transfer is only called to set idle_sp */ |
1091 | /* sometimes transfer is only called to set idle_sp */ |
917 | if (!next) |
1092 | if (expect_false (!next)) |
918 | { |
1093 | { |
919 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1094 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
920 | 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 */ |
921 | } |
1096 | } |
922 | else if (prev != next) |
1097 | else if (expect_true (prev != next)) |
923 | { |
1098 | { |
924 | coro_cctx *prev__cctx; |
1099 | coro_cctx *prev__cctx; |
925 | |
1100 | |
926 | if (prev->flags & CF_NEW) |
1101 | if (expect_false (prev->flags & CF_NEW)) |
927 | { |
1102 | { |
928 | /* create a new empty context */ |
1103 | /* create a new empty context */ |
929 | Newz (0, prev->cctx, 1, coro_cctx); |
1104 | Newz (0, prev->cctx, 1, coro_cctx); |
930 | prev->flags &= ~CF_NEW; |
1105 | prev->flags &= ~CF_NEW; |
931 | prev->flags |= CF_RUNNING; |
1106 | prev->flags |= CF_RUNNING; |
932 | } |
1107 | } |
933 | |
1108 | |
934 | /*TODO: must not croak here */ |
|
|
935 | if (!prev->flags & CF_RUNNING) |
|
|
936 | croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states"); |
|
|
937 | |
|
|
938 | if (next->flags & CF_RUNNING) |
|
|
939 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
940 | |
|
|
941 | if (next->flags & CF_DESTROYED) |
|
|
942 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
943 | |
|
|
944 | prev->flags &= ~CF_RUNNING; |
1109 | prev->flags &= ~CF_RUNNING; |
945 | next->flags |= CF_RUNNING; |
1110 | next->flags |= CF_RUNNING; |
946 | |
1111 | |
947 | LOCK; |
1112 | LOCK; |
948 | |
1113 | |
949 | if (next->flags & CF_NEW) |
1114 | if (expect_false (next->flags & CF_NEW)) |
950 | { |
1115 | { |
951 | /* need to start coroutine */ |
1116 | /* need to start coroutine */ |
952 | next->flags &= ~CF_NEW; |
1117 | next->flags &= ~CF_NEW; |
953 | /* first get rid of the old state */ |
1118 | /* first get rid of the old state */ |
954 | save_perl (aTHX_ prev); |
1119 | save_perl (aTHX_ prev); |
955 | /* setup coroutine call */ |
1120 | /* setup coroutine call */ |
956 | setup_coro (aTHX_ next); |
1121 | coro_setup (aTHX_ next); |
957 | } |
1122 | } |
958 | else |
1123 | else |
959 | { |
1124 | { |
960 | /* coroutine already started */ |
1125 | /* coroutine already started */ |
961 | save_perl (aTHX_ prev); |
1126 | save_perl (aTHX_ prev); |
… | |
… | |
963 | } |
1128 | } |
964 | |
1129 | |
965 | prev__cctx = prev->cctx; |
1130 | prev__cctx = prev->cctx; |
966 | |
1131 | |
967 | /* possibly "free" the cctx */ |
1132 | /* possibly "free" the cctx */ |
968 | if (prev__cctx->idle_sp == STACKLEVEL) |
1133 | if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) |
969 | { |
1134 | { |
970 | /* 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 */ |
971 | 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)); |
972 | |
1137 | |
973 | prev->cctx = 0; |
1138 | prev->cctx = 0; |
974 | |
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 | next->cctx = cctx_get (aTHX); |
|
|
1144 | |
975 | cctx_put (prev__cctx); |
1145 | cctx_put (prev__cctx); |
976 | } |
1146 | } |
977 | |
1147 | |
|
|
1148 | ++next->usecount; |
|
|
1149 | |
978 | if (!next->cctx) |
1150 | if (expect_true (!next->cctx)) |
979 | next->cctx = cctx_get (aTHX); |
1151 | next->cctx = cctx_get (aTHX); |
980 | |
1152 | |
981 | if (prev__cctx != next->cctx) |
1153 | if (expect_false (prev__cctx != next->cctx)) |
982 | { |
1154 | { |
983 | prev__cctx->top_env = PL_top_env; |
1155 | prev__cctx->top_env = PL_top_env; |
984 | PL_top_env = next->cctx->top_env; |
1156 | PL_top_env = next->cctx->top_env; |
985 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1157 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
986 | } |
1158 | } |
987 | |
1159 | |
988 | free_coro_mortal (aTHX); |
1160 | free_coro_mortal (aTHX); |
989 | UNLOCK; |
1161 | UNLOCK; |
|
|
1162 | |
|
|
1163 | if (expect_false (prev->throw || next->throw)) |
|
|
1164 | { |
|
|
1165 | struct coro *coro = SvSTATE (coro_current); |
|
|
1166 | |
|
|
1167 | if (coro->throw) |
|
|
1168 | { |
|
|
1169 | SV *exception = coro->throw; |
|
|
1170 | coro->throw = 0; |
|
|
1171 | sv_setsv (ERRSV, exception); |
|
|
1172 | croak (0); |
|
|
1173 | } |
|
|
1174 | } |
990 | } |
1175 | } |
991 | } |
1176 | } |
992 | |
1177 | |
993 | struct transfer_args |
1178 | struct transfer_args |
994 | { |
1179 | { |
995 | struct coro *prev, *next; |
1180 | struct coro *prev, *next; |
996 | }; |
1181 | }; |
997 | |
1182 | |
998 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
1183 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
|
|
1184 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
999 | |
1185 | |
1000 | /** high level stuff ********************************************************/ |
1186 | /** high level stuff ********************************************************/ |
1001 | |
1187 | |
1002 | static int |
1188 | static int |
1003 | coro_state_destroy (pTHX_ struct coro *coro) |
1189 | coro_state_destroy (pTHX_ struct coro *coro) |
… | |
… | |
1020 | |
1206 | |
1021 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1207 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1022 | { |
1208 | { |
1023 | struct coro temp; |
1209 | struct coro temp; |
1024 | |
1210 | |
1025 | assert (!(coro->flags & CF_RUNNING)); |
|
|
1026 | |
|
|
1027 | Zero (&temp, 1, struct coro); |
|
|
1028 | temp.save = CORO_SAVE_ALL; |
|
|
1029 | |
|
|
1030 | if (coro->flags & CF_RUNNING) |
1211 | if (coro->flags & CF_RUNNING) |
1031 | croak ("FATAL: tried to destroy currently running coroutine"); |
1212 | croak ("FATAL: tried to destroy currently running coroutine"); |
1032 | |
1213 | |
1033 | save_perl (aTHX_ &temp); |
1214 | save_perl (aTHX_ &temp); |
1034 | load_perl (aTHX_ coro); |
1215 | load_perl (aTHX_ coro); |
1035 | |
1216 | |
1036 | coro_destroy_stacks (aTHX); |
1217 | coro_destroy (aTHX_ coro); |
1037 | |
1218 | |
1038 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
1219 | load_perl (aTHX_ &temp); |
1039 | |
1220 | |
1040 | coro->mainstack = 0; |
1221 | coro->slot = 0; |
1041 | } |
1222 | } |
1042 | |
1223 | |
1043 | cctx_destroy (coro->cctx); |
1224 | cctx_destroy (coro->cctx); |
1044 | SvREFCNT_dec (coro->args); |
1225 | SvREFCNT_dec (coro->args); |
1045 | |
1226 | |
… | |
… | |
1086 | #else |
1267 | #else |
1087 | # define MGf_DUP 0 |
1268 | # define MGf_DUP 0 |
1088 | #endif |
1269 | #endif |
1089 | }; |
1270 | }; |
1090 | |
1271 | |
1091 | static struct coro * |
|
|
1092 | SvSTATE_ (pTHX_ SV *coro) |
|
|
1093 | { |
|
|
1094 | HV *stash; |
|
|
1095 | MAGIC *mg; |
|
|
1096 | |
|
|
1097 | if (SvROK (coro)) |
|
|
1098 | coro = SvRV (coro); |
|
|
1099 | |
|
|
1100 | stash = SvSTASH (coro); |
|
|
1101 | if (stash != coro_stash && stash != coro_state_stash) |
|
|
1102 | { |
|
|
1103 | /* very slow, but rare, check */ |
|
|
1104 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
1105 | croak ("Coro::State object required"); |
|
|
1106 | } |
|
|
1107 | |
|
|
1108 | mg = CORO_MAGIC (coro); |
|
|
1109 | return (struct coro *)mg->mg_ptr; |
|
|
1110 | } |
|
|
1111 | |
|
|
1112 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
1113 | |
|
|
1114 | static void |
1272 | static void |
1115 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1273 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1116 | { |
1274 | { |
1117 | ta->prev = SvSTATE (prev_sv); |
1275 | ta->prev = SvSTATE (prev_sv); |
1118 | ta->next = SvSTATE (next_sv); |
1276 | ta->next = SvSTATE (next_sv); |
|
|
1277 | TRANSFER_CHECK (*ta); |
1119 | } |
1278 | } |
1120 | |
1279 | |
1121 | static void |
1280 | static void |
1122 | api_transfer (SV *prev_sv, SV *next_sv) |
1281 | api_transfer (SV *prev_sv, SV *next_sv) |
1123 | { |
1282 | { |
1124 | dTHX; |
1283 | dTHX; |
1125 | struct transfer_args ta; |
1284 | struct transfer_args ta; |
1126 | |
1285 | |
1127 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1286 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1128 | TRANSFER (ta); |
1287 | TRANSFER (ta); |
1129 | } |
|
|
1130 | |
|
|
1131 | static int |
|
|
1132 | api_save (SV *coro_sv, int new_save) |
|
|
1133 | { |
|
|
1134 | dTHX; |
|
|
1135 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1136 | int old_save = coro->save; |
|
|
1137 | |
|
|
1138 | if (new_save >= 0) |
|
|
1139 | coro->save = new_save; |
|
|
1140 | |
|
|
1141 | return old_save; |
|
|
1142 | } |
1288 | } |
1143 | |
1289 | |
1144 | /** Coro ********************************************************************/ |
1290 | /** Coro ********************************************************************/ |
1145 | |
1291 | |
1146 | static void |
1292 | static void |
… | |
… | |
1205 | { |
1351 | { |
1206 | LOCK; |
1352 | LOCK; |
1207 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1353 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1208 | |
1354 | |
1209 | /* nothing to schedule: call the idle handler */ |
1355 | /* nothing to schedule: call the idle handler */ |
1210 | if (!next_sv) |
1356 | if (expect_false (!next_sv)) |
1211 | { |
1357 | { |
1212 | dSP; |
1358 | dSP; |
1213 | UNLOCK; |
1359 | UNLOCK; |
1214 | |
1360 | |
1215 | ENTER; |
1361 | ENTER; |
… | |
… | |
1225 | } |
1371 | } |
1226 | |
1372 | |
1227 | ta->next = SvSTATE (next_sv); |
1373 | ta->next = SvSTATE (next_sv); |
1228 | |
1374 | |
1229 | /* cannot transfer to destroyed coros, skip and look for next */ |
1375 | /* cannot transfer to destroyed coros, skip and look for next */ |
1230 | if (ta->next->flags & CF_DESTROYED) |
1376 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1231 | { |
1377 | { |
1232 | UNLOCK; |
1378 | UNLOCK; |
1233 | SvREFCNT_dec (next_sv); |
1379 | SvREFCNT_dec (next_sv); |
1234 | /* coro_nready is already taken care of by destroy */ |
1380 | /* coro_nready is already taken care of by destroy */ |
1235 | continue; |
1381 | continue; |
… | |
… | |
1240 | break; |
1386 | break; |
1241 | } |
1387 | } |
1242 | |
1388 | |
1243 | /* free this only after the transfer */ |
1389 | /* free this only after the transfer */ |
1244 | prev_sv = SvRV (coro_current); |
1390 | prev_sv = SvRV (coro_current); |
1245 | SvRV_set (coro_current, next_sv); |
|
|
1246 | ta->prev = SvSTATE (prev_sv); |
1391 | ta->prev = SvSTATE (prev_sv); |
1247 | |
1392 | TRANSFER_CHECK (*ta); |
1248 | assert (ta->next->flags & CF_READY); |
1393 | assert (ta->next->flags & CF_READY); |
1249 | ta->next->flags &= ~CF_READY; |
1394 | ta->next->flags &= ~CF_READY; |
|
|
1395 | SvRV_set (coro_current, next_sv); |
1250 | |
1396 | |
1251 | LOCK; |
1397 | LOCK; |
1252 | free_coro_mortal (aTHX); |
1398 | free_coro_mortal (aTHX); |
1253 | coro_mortal = prev_sv; |
1399 | coro_mortal = prev_sv; |
1254 | UNLOCK; |
1400 | UNLOCK; |
… | |
… | |
1291 | dTHX; |
1437 | dTHX; |
1292 | struct transfer_args ta; |
1438 | struct transfer_args ta; |
1293 | |
1439 | |
1294 | prepare_cede (aTHX_ &ta); |
1440 | prepare_cede (aTHX_ &ta); |
1295 | |
1441 | |
1296 | if (ta.prev != ta.next) |
1442 | if (expect_true (ta.prev != ta.next)) |
1297 | { |
1443 | { |
1298 | TRANSFER (ta); |
1444 | TRANSFER (ta); |
1299 | return 1; |
1445 | return 1; |
1300 | } |
1446 | } |
1301 | else |
1447 | else |
… | |
… | |
1315 | } |
1461 | } |
1316 | else |
1462 | else |
1317 | return 0; |
1463 | return 0; |
1318 | } |
1464 | } |
1319 | |
1465 | |
|
|
1466 | static void |
|
|
1467 | api_trace (SV *coro_sv, int flags) |
|
|
1468 | { |
|
|
1469 | dTHX; |
|
|
1470 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1471 | |
|
|
1472 | if (flags & CC_TRACE) |
|
|
1473 | { |
|
|
1474 | if (!coro->cctx) |
|
|
1475 | coro->cctx = cctx_new (); |
|
|
1476 | else if (!(coro->cctx->flags & CC_TRACE)) |
|
|
1477 | croak ("cannot enable tracing on coroutine with custom stack"); |
|
|
1478 | |
|
|
1479 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
|
|
1480 | } |
|
|
1481 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
|
|
1482 | { |
|
|
1483 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
|
|
1484 | |
|
|
1485 | if (coro->flags & CF_RUNNING) |
|
|
1486 | PL_runops = RUNOPS_DEFAULT; |
|
|
1487 | else |
|
|
1488 | coro->slot->runops = RUNOPS_DEFAULT; |
|
|
1489 | } |
|
|
1490 | } |
|
|
1491 | |
1320 | MODULE = Coro::State PACKAGE = Coro::State |
1492 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1321 | |
1493 | |
1322 | PROTOTYPES: DISABLE |
1494 | PROTOTYPES: DISABLE |
1323 | |
1495 | |
1324 | BOOT: |
1496 | BOOT: |
1325 | { |
1497 | { |
1326 | #ifdef USE_ITHREADS |
1498 | #ifdef USE_ITHREADS |
1327 | MUTEX_INIT (&coro_mutex); |
1499 | MUTEX_INIT (&coro_mutex); |
1328 | #endif |
1500 | #endif |
1329 | BOOT_PAGESIZE; |
1501 | BOOT_PAGESIZE; |
|
|
1502 | |
|
|
1503 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
|
|
1504 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
|
|
1505 | |
|
|
1506 | hv_sig = coro_get_hv ("SIG", TRUE); |
|
|
1507 | sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE); |
|
|
1508 | sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE); |
|
|
1509 | |
|
|
1510 | if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); |
|
|
1511 | if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0); |
1330 | |
1512 | |
1331 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1513 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1332 | |
1514 | |
1333 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1515 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1334 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1516 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1335 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
1517 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
1336 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
1518 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
1337 | |
1519 | |
1338 | newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); |
|
|
1339 | newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); |
|
|
1340 | newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); |
|
|
1341 | newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); |
|
|
1342 | newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH)); |
|
|
1343 | newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF)); |
|
|
1344 | newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); |
|
|
1345 | |
|
|
1346 | main_mainstack = PL_mainstack; |
1520 | main_mainstack = PL_mainstack; |
1347 | main_top_env = PL_top_env; |
1521 | main_top_env = PL_top_env; |
1348 | |
1522 | |
1349 | while (main_top_env->je_prev) |
1523 | while (main_top_env->je_prev) |
1350 | main_top_env = main_top_env->je_prev; |
1524 | main_top_env = main_top_env->je_prev; |
… | |
… | |
1362 | struct coro *coro; |
1536 | struct coro *coro; |
1363 | HV *hv; |
1537 | HV *hv; |
1364 | int i; |
1538 | int i; |
1365 | |
1539 | |
1366 | Newz (0, coro, 1, struct coro); |
1540 | Newz (0, coro, 1, struct coro); |
1367 | coro->args = newAV (); |
1541 | coro->args = newAV (); |
1368 | coro->save = CORO_SAVE_DEF; |
|
|
1369 | coro->flags = CF_NEW; |
1542 | coro->flags = CF_NEW; |
1370 | |
1543 | |
1371 | if (coro_first) coro_first->prev = coro; |
1544 | if (coro_first) coro_first->prev = coro; |
1372 | coro->next = coro_first; |
1545 | coro->next = coro_first; |
1373 | coro_first = coro; |
1546 | coro_first = coro; |
1374 | |
1547 | |
1375 | coro->hv = hv = newHV (); |
1548 | coro->hv = hv = newHV (); |
1376 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1549 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1377 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1550 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1378 | |
1551 | |
|
|
1552 | av_extend (coro->args, items - 1); |
1379 | for (i = 1; i < items; i++) |
1553 | for (i = 1; i < items; i++) |
1380 | av_push (coro->args, newSVsv (ST (i))); |
1554 | av_push (coro->args, newSVsv (ST (i))); |
1381 | } |
1555 | } |
1382 | OUTPUT: |
1556 | OUTPUT: |
1383 | RETVAL |
1557 | RETVAL |
1384 | |
1558 | |
1385 | int |
1559 | # these not obviously related functions are all rolled into the same xs |
1386 | save (SV *coro, int new_save = -1) |
1560 | # function to increase chances that they all will call transfer with the same |
1387 | CODE: |
1561 | # stack offset |
1388 | RETVAL = api_save (coro, new_save); |
|
|
1389 | OUTPUT: |
|
|
1390 | RETVAL |
|
|
1391 | |
|
|
1392 | int |
|
|
1393 | save_also (SV *coro_sv, int save_also) |
|
|
1394 | CODE: |
|
|
1395 | { |
|
|
1396 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1397 | RETVAL = coro->save; |
|
|
1398 | coro->save |= save_also; |
|
|
1399 | } |
|
|
1400 | OUTPUT: |
|
|
1401 | RETVAL |
|
|
1402 | |
|
|
1403 | void |
1562 | void |
1404 | _set_stacklevel (...) |
1563 | _set_stacklevel (...) |
1405 | ALIAS: |
1564 | ALIAS: |
1406 | Coro::State::transfer = 1 |
1565 | Coro::State::transfer = 1 |
1407 | Coro::schedule = 2 |
1566 | Coro::schedule = 2 |
… | |
… | |
1441 | } |
1600 | } |
1442 | |
1601 | |
1443 | BARRIER; |
1602 | BARRIER; |
1444 | TRANSFER (ta); |
1603 | TRANSFER (ta); |
1445 | |
1604 | |
1446 | if (GIMME_V != G_VOID && ta.next != ta.prev) |
1605 | if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev)) |
1447 | XSRETURN_YES; |
1606 | XSRETURN_YES; |
1448 | } |
1607 | } |
1449 | |
1608 | |
1450 | bool |
1609 | bool |
1451 | _destroy (SV *coro_sv) |
1610 | _destroy (SV *coro_sv) |
… | |
… | |
1501 | CODE: |
1660 | CODE: |
1502 | { |
1661 | { |
1503 | if (coro->mainstack) |
1662 | if (coro->mainstack) |
1504 | { |
1663 | { |
1505 | struct coro temp; |
1664 | struct coro temp; |
1506 | Zero (&temp, 1, struct coro); |
|
|
1507 | temp.save = CORO_SAVE_ALL; |
|
|
1508 | |
1665 | |
1509 | if (!(coro->flags & CF_RUNNING)) |
1666 | if (!(coro->flags & CF_RUNNING)) |
1510 | { |
1667 | { |
1511 | save_perl (aTHX_ &temp); |
1668 | save_perl (aTHX_ &temp); |
1512 | load_perl (aTHX_ coro); |
1669 | load_perl (aTHX_ coro); |
… | |
… | |
1516 | dSP; |
1673 | dSP; |
1517 | ENTER; |
1674 | ENTER; |
1518 | SAVETMPS; |
1675 | SAVETMPS; |
1519 | PUSHMARK (SP); |
1676 | PUSHMARK (SP); |
1520 | PUTBACK; |
1677 | PUTBACK; |
|
|
1678 | |
1521 | if (ix) |
1679 | if (ix) |
1522 | eval_sv (coderef, 0); |
1680 | eval_sv (coderef, 0); |
1523 | else |
1681 | else |
1524 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1682 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
1683 | |
1525 | SPAGAIN; |
1684 | SPAGAIN; |
1526 | FREETMPS; |
1685 | FREETMPS; |
1527 | LEAVE; |
1686 | LEAVE; |
1528 | PUTBACK; |
1687 | PUTBACK; |
1529 | } |
1688 | } |
… | |
… | |
1533 | save_perl (aTHX_ coro); |
1692 | save_perl (aTHX_ coro); |
1534 | load_perl (aTHX_ &temp); |
1693 | load_perl (aTHX_ &temp); |
1535 | } |
1694 | } |
1536 | } |
1695 | } |
1537 | } |
1696 | } |
1538 | |
1697 | |
1539 | SV * |
1698 | SV * |
1540 | is_ready (Coro::State coro) |
1699 | is_ready (Coro::State coro) |
1541 | PROTOTYPE: $ |
1700 | PROTOTYPE: $ |
1542 | ALIAS: |
1701 | ALIAS: |
1543 | is_ready = CF_READY |
1702 | is_ready = CF_READY |
… | |
… | |
1548 | RETVAL = boolSV (coro->flags & ix); |
1707 | RETVAL = boolSV (coro->flags & ix); |
1549 | OUTPUT: |
1708 | OUTPUT: |
1550 | RETVAL |
1709 | RETVAL |
1551 | |
1710 | |
1552 | void |
1711 | void |
1553 | trace (Coro::State coro, int flags = CC_TRACE | CC_TRACE_SUB) |
1712 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
1554 | CODE: |
|
|
1555 | if (flags & CC_TRACE) |
|
|
1556 | { |
|
|
1557 | if (!coro->cctx) |
|
|
1558 | coro->cctx = cctx_new (); |
|
|
1559 | else if (!(coro->cctx->flags & CC_TRACE)) |
|
|
1560 | croak ("cannot enable tracing on coroutine with custom stack"); |
|
|
1561 | |
|
|
1562 | coro->cctx->flags |= flags & (CC_TRACE | CC_TRACE_ALL); |
|
|
1563 | } |
|
|
1564 | else |
|
|
1565 | if (coro->cctx && coro->cctx->flags & CC_TRACE) |
|
|
1566 | { |
|
|
1567 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
|
|
1568 | coro->cctx->flags |= CC_NOREUSE; |
|
|
1569 | } |
|
|
1570 | |
1713 | |
1571 | SV * |
1714 | SV * |
1572 | has_stack (Coro::State coro) |
1715 | has_stack (Coro::State coro) |
1573 | PROTOTYPE: $ |
1716 | PROTOTYPE: $ |
1574 | CODE: |
1717 | CODE: |
… | |
… | |
1585 | RETVAL |
1728 | RETVAL |
1586 | |
1729 | |
1587 | IV |
1730 | IV |
1588 | rss (Coro::State coro) |
1731 | rss (Coro::State coro) |
1589 | PROTOTYPE: $ |
1732 | PROTOTYPE: $ |
|
|
1733 | ALIAS: |
|
|
1734 | usecount = 1 |
1590 | CODE: |
1735 | CODE: |
1591 | RETVAL = coro_rss (coro); |
1736 | switch (ix) |
|
|
1737 | { |
|
|
1738 | case 0: RETVAL = coro_rss (aTHX_ coro); break; |
|
|
1739 | case 1: RETVAL = coro->usecount; break; |
|
|
1740 | } |
1592 | OUTPUT: |
1741 | OUTPUT: |
1593 | RETVAL |
1742 | RETVAL |
1594 | |
1743 | |
1595 | |
1744 | |
1596 | MODULE = Coro::State PACKAGE = Coro |
1745 | MODULE = Coro::State PACKAGE = Coro |
1597 | |
1746 | |
1598 | BOOT: |
1747 | BOOT: |
1599 | { |
1748 | { |
1600 | int i; |
1749 | int i; |
1601 | |
1750 | |
1602 | sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); |
1751 | sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE); |
1603 | sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); |
1752 | sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE); |
1604 | av_async_pool = get_av ("Coro::async_pool", TRUE); |
1753 | av_async_pool = coro_get_av ("Coro::async_pool", TRUE); |
1605 | |
1754 | |
1606 | coro_current = get_sv ("Coro::current", FALSE); |
1755 | coro_current = coro_get_sv ("Coro::current", FALSE); |
1607 | SvREADONLY_on (coro_current); |
1756 | SvREADONLY_on (coro_current); |
1608 | |
1757 | |
1609 | coro_stash = gv_stashpv ("Coro", TRUE); |
1758 | coro_stash = gv_stashpv ("Coro", TRUE); |
1610 | |
1759 | |
1611 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1760 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1612 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1761 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1613 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1762 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1614 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1763 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
… | |
… | |
1617 | |
1766 | |
1618 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1767 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1619 | coro_ready[i] = newAV (); |
1768 | coro_ready[i] = newAV (); |
1620 | |
1769 | |
1621 | { |
1770 | { |
1622 | SV *sv = perl_get_sv("Coro::API", 1); |
1771 | SV *sv = perl_get_sv ("Coro::API", TRUE); |
|
|
1772 | perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */ |
1623 | |
1773 | |
1624 | coroapi.schedule = api_schedule; |
1774 | coroapi.schedule = api_schedule; |
1625 | coroapi.save = api_save; |
|
|
1626 | coroapi.cede = api_cede; |
1775 | coroapi.cede = api_cede; |
1627 | coroapi.cede_notself = api_cede_notself; |
1776 | coroapi.cede_notself = api_cede_notself; |
1628 | coroapi.ready = api_ready; |
1777 | coroapi.ready = api_ready; |
1629 | coroapi.is_ready = api_is_ready; |
1778 | coroapi.is_ready = api_is_ready; |
1630 | coroapi.nready = &coro_nready; |
1779 | coroapi.nready = &coro_nready; |
… | |
… | |
1679 | CODE: |
1828 | CODE: |
1680 | RETVAL = coro_nready; |
1829 | RETVAL = coro_nready; |
1681 | OUTPUT: |
1830 | OUTPUT: |
1682 | RETVAL |
1831 | RETVAL |
1683 | |
1832 | |
|
|
1833 | void |
|
|
1834 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
1835 | PROTOTYPE: $;$ |
|
|
1836 | CODE: |
|
|
1837 | SvREFCNT_dec (self->throw); |
|
|
1838 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
1839 | |
1684 | # for async_pool speedup |
1840 | # for async_pool speedup |
1685 | void |
1841 | void |
1686 | _pool_1 (SV *cb) |
1842 | _pool_1 (SV *cb) |
1687 | CODE: |
1843 | CODE: |
1688 | { |
1844 | { |
1689 | int i, len; |
1845 | struct coro *coro = SvSTATE (coro_current); |
1690 | HV *hv = (HV *)SvRV (coro_current); |
1846 | HV *hv = (HV *)SvRV (coro_current); |
1691 | AV *defav = GvAV (PL_defgv); |
1847 | AV *defav = GvAV (PL_defgv); |
1692 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1848 | SV *invoke = hv_delete (hv, strpair ("_invoke"), 0); |
1693 | AV *invoke_av; |
1849 | AV *invoke_av; |
|
|
1850 | int i, len; |
1694 | |
1851 | |
1695 | if (!invoke) |
1852 | if (!invoke) |
1696 | croak ("\3terminate\2\n"); |
1853 | croak ("\3async_pool terminate\2\n"); |
|
|
1854 | |
|
|
1855 | SvREFCNT_dec (coro->saved_deffh); |
|
|
1856 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
1697 | |
1857 | |
1698 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1858 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1699 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
1859 | newSVpvn (strpair ("[async_pool]")), 0); |
1700 | |
1860 | |
1701 | invoke_av = (AV *)SvRV (invoke); |
1861 | invoke_av = (AV *)SvRV (invoke); |
1702 | len = av_len (invoke_av); |
1862 | len = av_len (invoke_av); |
1703 | |
1863 | |
1704 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
1864 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
… | |
… | |
1719 | { |
1879 | { |
1720 | struct coro *coro = SvSTATE (coro_current); |
1880 | struct coro *coro = SvSTATE (coro_current); |
1721 | |
1881 | |
1722 | sv_setsv (cb, &PL_sv_undef); |
1882 | sv_setsv (cb, &PL_sv_undef); |
1723 | |
1883 | |
|
|
1884 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
1885 | coro->saved_deffh = 0; |
|
|
1886 | |
1724 | if (coro_rss (coro) > SvIV (sv_pool_rss) |
1887 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1725 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1888 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1726 | croak ("\3terminate\2\n"); |
1889 | croak ("\3async_pool terminate\2\n"); |
1727 | |
1890 | |
1728 | av_clear (GvAV (PL_defgv)); |
1891 | av_clear (GvAV (PL_defgv)); |
1729 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1892 | hv_store ((HV *)SvRV (coro_current), strpair ("desc"), |
1730 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1893 | newSVpvn (strpair ("[async_pool idle]")), 0); |
1731 | coro->save = CORO_SAVE_DEF; |
1894 | |
1732 | coro->prio = 0; |
1895 | coro->prio = 0; |
|
|
1896 | |
|
|
1897 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
1898 | api_trace (coro_current, 0); |
|
|
1899 | |
1733 | av_push (av_async_pool, newSVsv (coro_current)); |
1900 | av_push (av_async_pool, newSVsv (coro_current)); |
1734 | } |
1901 | } |
1735 | |
1902 | |
1736 | |
1903 | |
1737 | MODULE = Coro::State PACKAGE = Coro::AIO |
1904 | MODULE = Coro::State PACKAGE = Coro::AIO |