1 | #include "libcoro/coro.c" |
1 | #include "libcoro/coro.c" |
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2 | |
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3 | #define PERL_NO_GET_CONTEXT |
2 | |
4 | |
3 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
4 | #include "perl.h" |
6 | #include "perl.h" |
5 | #include "XSUB.h" |
7 | #include "XSUB.h" |
6 | |
8 | |
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31 | #else |
33 | #else |
32 | # define PAGESIZE 0 |
34 | # define PAGESIZE 0 |
33 | # define BOOT_PAGESIZE (void)0 |
35 | # define BOOT_PAGESIZE (void)0 |
34 | #endif |
36 | #endif |
35 | |
37 | |
36 | #if USE_VALGRIND |
38 | #if CORO_USE_VALGRIND |
37 | # include <valgrind/valgrind.h> |
39 | # include <valgrind/valgrind.h> |
38 | # define REGISTER_STACK(cctx,start,end) (cctx)->valgrind_id = VALGRIND_STACK_REGISTER ((start), (end)) |
40 | # define REGISTER_STACK(cctx,start,end) (cctx)->valgrind_id = VALGRIND_STACK_REGISTER ((start), (end)) |
39 | #else |
41 | #else |
40 | # define REGISTER_STACK(cctx,start,end) |
42 | # define REGISTER_STACK(cctx,start,end) |
41 | #endif |
43 | #endif |
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74 | #ifndef SvRV_set |
76 | #ifndef SvRV_set |
75 | # define SvRV_set(s,v) SvRV(s) = (v) |
77 | # define SvRV_set(s,v) SvRV(s) = (v) |
76 | #endif |
78 | #endif |
77 | |
79 | |
78 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
80 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
79 | # undef STACKGUARD |
81 | # undef CORO_STACKGUARD |
80 | #endif |
82 | #endif |
81 | |
83 | |
82 | #ifndef STACKGUARD |
84 | #ifndef CORO_STACKGUARD |
83 | # define STACKGUARD 0 |
85 | # define CORO_STACKGUARD 0 |
84 | #endif |
86 | #endif |
85 | |
87 | |
86 | /* prefer perl internal functions over our own? */ |
88 | /* prefer perl internal functions over our own? */ |
87 | #ifndef PREFER_PERL_FUNCTIONS |
89 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
88 | # define PREFER_PERL_FUNCTIONS 0 |
90 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
89 | #endif |
91 | #endif |
90 | |
92 | |
91 | /* The next macro should declare a variable stacklevel that contains and approximation |
93 | /* The next macros try to return the current stack pointer, in an as |
92 | * to the current C stack pointer. Its property is that it changes with each call |
94 | * portable way as possible. */ |
93 | * and should be unique. */ |
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94 | #define dSTACKLEVEL int stacklevel |
95 | #define dSTACKLEVEL volatile char stacklevel |
95 | #define STACKLEVEL ((void *)&stacklevel) |
96 | #define STACKLEVEL ((void *)&stacklevel) |
96 | |
97 | |
97 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
98 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
98 | |
99 | |
99 | #if __GNUC__ >= 3 |
100 | #if __GNUC__ >= 3 |
… | |
… | |
124 | I32 laststype; |
125 | I32 laststype; |
125 | int laststatval; |
126 | int laststatval; |
126 | Stat_t statcache; |
127 | Stat_t statcache; |
127 | }; |
128 | }; |
128 | |
129 | |
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130 | static size_t coro_stacksize = CORO_STACKSIZE; |
129 | static struct CoroAPI coroapi; |
131 | static struct CoroAPI coroapi; |
130 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
132 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
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133 | static JMPENV *main_top_env; |
131 | static HV *coro_state_stash, *coro_stash; |
134 | static HV *coro_state_stash, *coro_stash; |
132 | static SV *coro_mortal; /* will be freed after next transfer */ |
135 | static SV *coro_mortal; /* will be freed after next transfer */ |
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136 | |
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137 | /* async_pool helper stuff */ |
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138 | static SV *sv_pool_rss; |
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139 | static SV *sv_pool_size; |
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140 | static AV *av_async_pool; |
133 | |
141 | |
134 | static struct coro_cctx *cctx_first; |
142 | static struct coro_cctx *cctx_first; |
135 | static int cctx_count, cctx_idle; |
143 | static int cctx_count, cctx_idle; |
136 | |
144 | |
137 | /* this is a structure representing a c-level coroutine */ |
145 | /* this is a structure representing a c-level coroutine */ |
138 | typedef struct coro_cctx { |
146 | typedef struct coro_cctx { |
139 | struct coro_cctx *next; |
147 | struct coro_cctx *next; |
140 | |
148 | |
141 | /* the stack */ |
149 | /* the stack */ |
142 | void *sptr; |
150 | void *sptr; |
143 | ssize_t ssize; /* positive == mmap, otherwise malloc */ |
151 | size_t ssize; |
144 | |
152 | |
145 | /* cpu state */ |
153 | /* cpu state */ |
146 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
154 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
147 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
155 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
148 | JMPENV *top_env; |
156 | JMPENV *top_env; |
149 | coro_context cctx; |
157 | coro_context cctx; |
150 | |
158 | |
151 | int inuse; |
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152 | |
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153 | #if USE_VALGRIND |
159 | #if CORO_USE_VALGRIND |
154 | int valgrind_id; |
160 | int valgrind_id; |
155 | #endif |
161 | #endif |
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162 | char inuse, mapped; |
156 | } coro_cctx; |
163 | } coro_cctx; |
157 | |
164 | |
158 | enum { |
165 | enum { |
159 | CF_RUNNING = 0x0001, /* coroutine is running */ |
166 | CF_RUNNING = 0x0001, /* coroutine is running */ |
160 | CF_READY = 0x0002, /* coroutine is ready */ |
167 | CF_READY = 0x0002, /* coroutine is ready */ |
… | |
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175 | |
182 | |
176 | /* optionally saved, might be zero */ |
183 | /* optionally saved, might be zero */ |
177 | AV *defav; /* @_ */ |
184 | AV *defav; /* @_ */ |
178 | SV *defsv; /* $_ */ |
185 | SV *defsv; /* $_ */ |
179 | SV *errsv; /* $@ */ |
186 | SV *errsv; /* $@ */ |
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187 | GV *deffh; /* default filehandle */ |
180 | SV *irssv; /* $/ */ |
188 | SV *irssv; /* $/ */ |
181 | SV *irssv_sv; /* real $/ cache */ |
189 | SV *irssv_sv; /* real $/ cache */ |
182 | |
190 | |
183 | #define VAR(name,type) type name; |
191 | #define VAR(name,type) type name; |
184 | # include "state.h" |
192 | # include "state.h" |
185 | #undef VAR |
193 | #undef VAR |
186 | |
194 | |
187 | /* coro process data */ |
195 | /* coro process data */ |
188 | int prio; |
196 | int prio; |
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197 | |
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198 | /* linked list */ |
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199 | struct coro *next, *prev; |
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200 | HV *hv; /* the perl hash associated with this coro, if any */ |
189 | }; |
201 | }; |
190 | |
202 | |
191 | typedef struct coro *Coro__State; |
203 | typedef struct coro *Coro__State; |
192 | typedef struct coro *Coro__State_or_hashref; |
204 | typedef struct coro *Coro__State_or_hashref; |
193 | |
205 | |
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202 | |
214 | |
203 | /* for Coro.pm */ |
215 | /* for Coro.pm */ |
204 | static SV *coro_current; |
216 | static SV *coro_current; |
205 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
217 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
206 | static int coro_nready; |
218 | static int coro_nready; |
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219 | static struct coro *coro_first; |
207 | |
220 | |
208 | /** lowlevel stuff **********************************************************/ |
221 | /** lowlevel stuff **********************************************************/ |
209 | |
222 | |
210 | static AV * |
223 | static AV * |
211 | coro_clone_padlist (CV *cv) |
224 | coro_clone_padlist (pTHX_ CV *cv) |
212 | { |
225 | { |
213 | AV *padlist = CvPADLIST (cv); |
226 | AV *padlist = CvPADLIST (cv); |
214 | AV *newpadlist, *newpad; |
227 | AV *newpadlist, *newpad; |
215 | |
228 | |
216 | newpadlist = newAV (); |
229 | newpadlist = newAV (); |
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228 | |
241 | |
229 | return newpadlist; |
242 | return newpadlist; |
230 | } |
243 | } |
231 | |
244 | |
232 | static void |
245 | static void |
233 | free_padlist (AV *padlist) |
246 | free_padlist (pTHX_ AV *padlist) |
234 | { |
247 | { |
235 | /* may be during global destruction */ |
248 | /* may be during global destruction */ |
236 | if (SvREFCNT (padlist)) |
249 | if (SvREFCNT (padlist)) |
237 | { |
250 | { |
238 | I32 i = AvFILLp (padlist); |
251 | I32 i = AvFILLp (padlist); |
… | |
… | |
259 | AV *padlist; |
272 | AV *padlist; |
260 | AV *av = (AV *)mg->mg_obj; |
273 | AV *av = (AV *)mg->mg_obj; |
261 | |
274 | |
262 | /* casting is fun. */ |
275 | /* casting is fun. */ |
263 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
276 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
264 | free_padlist (padlist); |
277 | free_padlist (aTHX_ padlist); |
265 | |
278 | |
266 | SvREFCNT_dec (av); |
279 | SvREFCNT_dec (av); |
267 | |
280 | |
268 | return 0; |
281 | return 0; |
269 | } |
282 | } |
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279 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
292 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
280 | : 0 |
293 | : 0 |
281 | |
294 | |
282 | /* the next two functions merely cache the padlists */ |
295 | /* the next two functions merely cache the padlists */ |
283 | static void |
296 | static void |
284 | get_padlist (CV *cv) |
297 | get_padlist (pTHX_ CV *cv) |
285 | { |
298 | { |
286 | MAGIC *mg = CORO_MAGIC (cv); |
299 | MAGIC *mg = CORO_MAGIC (cv); |
287 | AV *av; |
300 | AV *av; |
288 | |
301 | |
289 | if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) |
302 | if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) |
290 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
303 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
291 | else |
304 | else |
292 | { |
305 | { |
293 | #if PREFER_PERL_FUNCTIONS |
306 | #if CORO_PREFER_PERL_FUNCTIONS |
294 | /* this is probably cleaner, but also slower? */ |
307 | /* this is probably cleaner, but also slower? */ |
295 | CV *cp = Perl_cv_clone (cv); |
308 | CV *cp = Perl_cv_clone (cv); |
296 | CvPADLIST (cv) = CvPADLIST (cp); |
309 | CvPADLIST (cv) = CvPADLIST (cp); |
297 | CvPADLIST (cp) = 0; |
310 | CvPADLIST (cp) = 0; |
298 | SvREFCNT_dec (cp); |
311 | SvREFCNT_dec (cp); |
299 | #else |
312 | #else |
300 | CvPADLIST (cv) = coro_clone_padlist (cv); |
313 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
301 | #endif |
314 | #endif |
302 | } |
315 | } |
303 | } |
316 | } |
304 | |
317 | |
305 | static void |
318 | static void |
306 | put_padlist (CV *cv) |
319 | put_padlist (pTHX_ CV *cv) |
307 | { |
320 | { |
308 | MAGIC *mg = CORO_MAGIC (cv); |
321 | MAGIC *mg = CORO_MAGIC (cv); |
309 | AV *av; |
322 | AV *av; |
310 | |
323 | |
311 | if (!mg) |
324 | if (!mg) |
… | |
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330 | #define SE } while (0) |
343 | #define SE } while (0) |
331 | |
344 | |
332 | #define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE |
345 | #define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE |
333 | |
346 | |
334 | static void |
347 | static void |
335 | load_perl (Coro__State c) |
348 | load_perl (pTHX_ Coro__State c) |
336 | { |
349 | { |
337 | #define VAR(name,type) PL_ ## name = c->name; |
350 | #define VAR(name,type) PL_ ## name = c->name; |
338 | # include "state.h" |
351 | # include "state.h" |
339 | #undef VAR |
352 | #undef VAR |
340 | |
353 | |
341 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
354 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
342 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
355 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
343 | if (c->errsv) REPLACE_SV (ERRSV , c->errsv); |
356 | if (c->errsv) REPLACE_SV (ERRSV , c->errsv); |
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357 | if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh); |
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358 | |
344 | if (c->irssv) |
359 | if (c->irssv) |
345 | { |
360 | { |
346 | if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv)) |
361 | if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv)) |
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362 | { |
347 | SvREFCNT_dec (c->irssv); |
363 | SvREFCNT_dec (c->irssv); |
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364 | c->irssv = 0; |
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365 | } |
348 | else |
366 | else |
349 | { |
367 | { |
350 | REPLACE_SV (PL_rs, c->irssv); |
368 | REPLACE_SV (PL_rs, c->irssv); |
351 | if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0); |
369 | if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0); |
352 | sv_setsv (c->irssv_sv, PL_rs); |
370 | sv_setsv (c->irssv_sv, PL_rs); |
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358 | CV *cv; |
376 | CV *cv; |
359 | |
377 | |
360 | /* now do the ugly restore mess */ |
378 | /* now do the ugly restore mess */ |
361 | while ((cv = (CV *)POPs)) |
379 | while ((cv = (CV *)POPs)) |
362 | { |
380 | { |
363 | put_padlist (cv); /* mark this padlist as available */ |
381 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
364 | CvDEPTH (cv) = PTR2IV (POPs); |
382 | CvDEPTH (cv) = PTR2IV (POPs); |
365 | CvPADLIST (cv) = (AV *)POPs; |
383 | CvPADLIST (cv) = (AV *)POPs; |
366 | } |
384 | } |
367 | |
385 | |
368 | PUTBACK; |
386 | PUTBACK; |
369 | } |
387 | } |
370 | assert (!PL_comppad || AvARRAY (PL_comppad));//D |
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371 | } |
388 | } |
372 | |
389 | |
373 | static void |
390 | static void |
374 | save_perl (Coro__State c) |
391 | save_perl (pTHX_ Coro__State c) |
375 | { |
392 | { |
376 | assert (!PL_comppad || AvARRAY (PL_comppad));//D |
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377 | { |
393 | { |
378 | dSP; |
394 | dSP; |
379 | I32 cxix = cxstack_ix; |
395 | I32 cxix = cxstack_ix; |
380 | PERL_CONTEXT *ccstk = cxstack; |
396 | PERL_CONTEXT *ccstk = cxstack; |
381 | PERL_SI *top_si = PL_curstackinfo; |
397 | PERL_SI *top_si = PL_curstackinfo; |
… | |
… | |
383 | /* |
399 | /* |
384 | * the worst thing you can imagine happens first - we have to save |
400 | * the worst thing you can imagine happens first - we have to save |
385 | * (and reinitialize) all cv's in the whole callchain :( |
401 | * (and reinitialize) all cv's in the whole callchain :( |
386 | */ |
402 | */ |
387 | |
403 | |
388 | EXTEND (SP, 3 + 1); |
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389 | PUSHs (Nullsv); |
404 | XPUSHs (Nullsv); |
390 | /* this loop was inspired by pp_caller */ |
405 | /* this loop was inspired by pp_caller */ |
391 | for (;;) |
406 | for (;;) |
392 | { |
407 | { |
393 | while (cxix >= 0) |
408 | while (cxix >= 0) |
394 | { |
409 | { |
395 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
410 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
396 | |
411 | |
397 | if (CxTYPE (cx) == CXt_SUB) |
412 | if (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT) |
398 | { |
413 | { |
399 | CV *cv = cx->blk_sub.cv; |
414 | CV *cv = cx->blk_sub.cv; |
400 | |
415 | |
401 | if (CvDEPTH (cv)) |
416 | if (CvDEPTH (cv)) |
402 | { |
417 | { |
… | |
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404 | PUSHs ((SV *)CvPADLIST (cv)); |
419 | PUSHs ((SV *)CvPADLIST (cv)); |
405 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
420 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
406 | PUSHs ((SV *)cv); |
421 | PUSHs ((SV *)cv); |
407 | |
422 | |
408 | CvDEPTH (cv) = 0; |
423 | CvDEPTH (cv) = 0; |
409 | get_padlist (cv); |
424 | get_padlist (aTHX_ cv); |
410 | } |
425 | } |
411 | } |
426 | } |
412 | } |
427 | } |
413 | |
428 | |
414 | if (top_si->si_type == PERLSI_MAIN) |
429 | if (top_si->si_type == PERLSI_MAIN) |
415 | break; |
430 | break; |
416 | |
431 | |
417 | top_si = top_si->si_prev; |
432 | top_si = top_si->si_prev; |
418 | ccstk = top_si->si_cxstack; |
433 | ccstk = top_si->si_cxstack; |
419 | cxix = top_si->si_cxix; |
434 | cxix = top_si->si_cxix; |
420 | } |
435 | } |
421 | |
436 | |
422 | PUTBACK; |
437 | PUTBACK; |
423 | } |
438 | } |
424 | |
439 | |
425 | c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; |
440 | c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; |
426 | c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; |
441 | c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; |
427 | c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; |
442 | c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; |
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443 | c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0; |
428 | c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; |
444 | c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; |
429 | |
445 | |
430 | #define VAR(name,type)c->name = PL_ ## name; |
446 | #define VAR(name,type)c->name = PL_ ## name; |
431 | # include "state.h" |
447 | # include "state.h" |
432 | #undef VAR |
448 | #undef VAR |
… | |
… | |
436 | * allocate various perl stacks. This is an exact copy |
452 | * allocate various perl stacks. This is an exact copy |
437 | * of perl.c:init_stacks, except that it uses less memory |
453 | * of perl.c:init_stacks, except that it uses less memory |
438 | * on the (sometimes correct) assumption that coroutines do |
454 | * on the (sometimes correct) assumption that coroutines do |
439 | * not usually need a lot of stackspace. |
455 | * not usually need a lot of stackspace. |
440 | */ |
456 | */ |
441 | #if PREFER_PERL_FUNCTIONS |
457 | #if CORO_PREFER_PERL_FUNCTIONS |
442 | # define coro_init_stacks init_stacks |
458 | # define coro_init_stacks init_stacks |
443 | #else |
459 | #else |
444 | static void |
460 | static void |
445 | coro_init_stacks () |
461 | coro_init_stacks (pTHX) |
446 | { |
462 | { |
447 | PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT)); |
463 | PL_curstackinfo = new_stackinfo(64, 6); |
448 | PL_curstackinfo->si_type = PERLSI_MAIN; |
464 | PL_curstackinfo->si_type = PERLSI_MAIN; |
449 | PL_curstack = PL_curstackinfo->si_stack; |
465 | PL_curstack = PL_curstackinfo->si_stack; |
450 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
466 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
451 | |
467 | |
452 | PL_stack_base = AvARRAY(PL_curstack); |
468 | PL_stack_base = AvARRAY(PL_curstack); |
453 | PL_stack_sp = PL_stack_base; |
469 | PL_stack_sp = PL_stack_base; |
454 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
470 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
455 | |
471 | |
456 | New(50,PL_tmps_stack,128,SV*); |
472 | New(50,PL_tmps_stack,64,SV*); |
457 | PL_tmps_floor = -1; |
473 | PL_tmps_floor = -1; |
458 | PL_tmps_ix = -1; |
474 | PL_tmps_ix = -1; |
459 | PL_tmps_max = 128; |
475 | PL_tmps_max = 64; |
460 | |
476 | |
461 | New(54,PL_markstack,32,I32); |
477 | New(54,PL_markstack,16,I32); |
462 | PL_markstack_ptr = PL_markstack; |
478 | PL_markstack_ptr = PL_markstack; |
463 | PL_markstack_max = PL_markstack + 32; |
479 | PL_markstack_max = PL_markstack + 16; |
464 | |
480 | |
465 | #ifdef SET_MARK_OFFSET |
481 | #ifdef SET_MARK_OFFSET |
466 | SET_MARK_OFFSET; |
482 | SET_MARK_OFFSET; |
467 | #endif |
483 | #endif |
468 | |
484 | |
469 | New(54,PL_scopestack,32,I32); |
485 | New(54,PL_scopestack,16,I32); |
470 | PL_scopestack_ix = 0; |
486 | PL_scopestack_ix = 0; |
471 | PL_scopestack_max = 32; |
487 | PL_scopestack_max = 16; |
472 | |
488 | |
473 | New(54,PL_savestack,64,ANY); |
489 | New(54,PL_savestack,64,ANY); |
474 | PL_savestack_ix = 0; |
490 | PL_savestack_ix = 0; |
475 | PL_savestack_max = 64; |
491 | PL_savestack_max = 64; |
476 | |
492 | |
477 | #if !PERL_VERSION_ATLEAST (5,9,0) |
493 | #if !PERL_VERSION_ATLEAST (5,9,0) |
478 | New(54,PL_retstack,16,OP*); |
494 | New(54,PL_retstack,4,OP*); |
479 | PL_retstack_ix = 0; |
495 | PL_retstack_ix = 0; |
480 | PL_retstack_max = 16; |
496 | PL_retstack_max = 4; |
481 | #endif |
497 | #endif |
482 | } |
498 | } |
483 | #endif |
499 | #endif |
484 | |
500 | |
485 | /* |
501 | /* |
486 | * destroy the stacks, the callchain etc... |
502 | * destroy the stacks, the callchain etc... |
487 | */ |
503 | */ |
488 | static void |
504 | static void |
489 | coro_destroy_stacks () |
505 | coro_destroy_stacks (pTHX) |
490 | { |
506 | { |
491 | if (!IN_DESTRUCT) |
507 | if (!IN_DESTRUCT) |
492 | { |
508 | { |
493 | /* restore all saved variables and stuff */ |
509 | /* restore all saved variables and stuff */ |
494 | LEAVE_SCOPE (0); |
510 | LEAVE_SCOPE (0); |
… | |
… | |
527 | #if !PERL_VERSION_ATLEAST (5,9,0) |
543 | #if !PERL_VERSION_ATLEAST (5,9,0) |
528 | Safefree (PL_retstack); |
544 | Safefree (PL_retstack); |
529 | #endif |
545 | #endif |
530 | } |
546 | } |
531 | |
547 | |
|
|
548 | static size_t |
|
|
549 | coro_rss (struct coro *coro) |
|
|
550 | { |
|
|
551 | size_t rss = sizeof (coro); |
|
|
552 | |
|
|
553 | if (coro->mainstack) |
|
|
554 | { |
|
|
555 | if (coro->flags & CF_RUNNING) |
|
|
556 | { |
|
|
557 | #define VAR(name,type)coro->name = PL_ ## name; |
|
|
558 | # include "state.h" |
|
|
559 | #undef VAR |
|
|
560 | } |
|
|
561 | |
|
|
562 | rss += sizeof (coro->curstackinfo); |
|
|
563 | rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); |
|
|
564 | rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
|
|
565 | rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
|
|
566 | rss += coro->tmps_max * sizeof (SV *); |
|
|
567 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
|
|
568 | rss += coro->scopestack_max * sizeof (I32); |
|
|
569 | rss += coro->savestack_max * sizeof (ANY); |
|
|
570 | |
|
|
571 | #if !PERL_VERSION_ATLEAST (5,9,0) |
|
|
572 | rss += coro->retstack_max * sizeof (OP *); |
|
|
573 | #endif |
|
|
574 | } |
|
|
575 | |
|
|
576 | return rss; |
|
|
577 | } |
|
|
578 | |
532 | /** coroutine stack handling ************************************************/ |
579 | /** coroutine stack handling ************************************************/ |
533 | |
580 | |
534 | static void |
581 | static void |
535 | setup_coro (struct coro *coro) |
582 | setup_coro (pTHX_ struct coro *coro) |
536 | { |
583 | { |
537 | /* |
584 | /* |
538 | * emulate part of the perl startup here. |
585 | * emulate part of the perl startup here. |
539 | */ |
586 | */ |
540 | |
|
|
541 | coro_init_stacks (); |
587 | coro_init_stacks (aTHX); |
542 | |
588 | |
543 | PL_curcop = &PL_compiling; |
589 | PL_curcop = &PL_compiling; |
544 | PL_in_eval = EVAL_NULL; |
590 | PL_in_eval = EVAL_NULL; |
545 | PL_comppad = 0; |
591 | PL_comppad = 0; |
546 | PL_curpm = 0; |
592 | PL_curpm = 0; |
… | |
… | |
558 | Zero (&myop, 1, LOGOP); |
604 | Zero (&myop, 1, LOGOP); |
559 | myop.op_next = Nullop; |
605 | myop.op_next = Nullop; |
560 | myop.op_flags = OPf_WANT_VOID; |
606 | myop.op_flags = OPf_WANT_VOID; |
561 | |
607 | |
562 | PUSHMARK (SP); |
608 | PUSHMARK (SP); |
563 | XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE)); |
609 | XPUSHs (av_shift (GvAV (PL_defgv))); |
564 | PUTBACK; |
610 | PUTBACK; |
565 | PL_op = (OP *)&myop; |
611 | PL_op = (OP *)&myop; |
566 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
612 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
567 | SPAGAIN; |
613 | SPAGAIN; |
568 | } |
614 | } |
569 | |
615 | |
570 | ENTER; /* necessary e.g. for dounwind */ |
616 | ENTER; /* necessary e.g. for dounwind */ |
571 | } |
617 | } |
572 | |
618 | |
573 | static void |
619 | static void |
574 | free_coro_mortal () |
620 | free_coro_mortal (pTHX) |
575 | { |
621 | { |
576 | if (coro_mortal) |
622 | if (coro_mortal) |
577 | { |
623 | { |
578 | SvREFCNT_dec (coro_mortal); |
624 | SvREFCNT_dec (coro_mortal); |
579 | coro_mortal = 0; |
625 | coro_mortal = 0; |
580 | } |
626 | } |
581 | } |
627 | } |
582 | |
628 | |
583 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
629 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
|
|
630 | /* _cctx_init should be careful, as it could be called at almost any time */ |
|
|
631 | /* during execution of a perl program */ |
584 | static void NOINLINE |
632 | static void NOINLINE |
585 | prepare_cctx (coro_cctx *cctx) |
633 | prepare_cctx (pTHX_ coro_cctx *cctx) |
586 | { |
634 | { |
587 | dSP; |
635 | dSP; |
588 | LOGOP myop; |
636 | LOGOP myop; |
589 | |
637 | |
590 | Zero (&myop, 1, LOGOP); |
638 | Zero (&myop, 1, LOGOP); |
… | |
… | |
599 | PL_op = (OP *)&myop; |
647 | PL_op = (OP *)&myop; |
600 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
648 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
601 | SPAGAIN; |
649 | SPAGAIN; |
602 | } |
650 | } |
603 | |
651 | |
|
|
652 | /* |
|
|
653 | * this is a _very_ stripped down perl interpreter ;) |
|
|
654 | */ |
604 | static void |
655 | static void |
605 | coro_run (void *arg) |
656 | coro_run (void *arg) |
606 | { |
657 | { |
|
|
658 | dTHX; |
|
|
659 | |
607 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
660 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
608 | UNLOCK; |
661 | UNLOCK; |
609 | |
662 | |
610 | /* |
|
|
611 | * this is a _very_ stripped down perl interpreter ;) |
|
|
612 | */ |
|
|
613 | PL_top_env = &PL_start_env; |
663 | PL_top_env = &PL_start_env; |
614 | |
664 | |
615 | /* inject call to cctx_init */ |
665 | /* inject a fake subroutine call to cctx_init */ |
616 | prepare_cctx ((coro_cctx *)arg); |
666 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
617 | |
667 | |
618 | /* somebody will hit me for both perl_run and PL_restartop */ |
668 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
619 | PL_restartop = PL_op; |
669 | PL_restartop = PL_op; |
620 | perl_run (PL_curinterp); |
670 | perl_run (PL_curinterp); |
621 | |
671 | |
622 | fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr); |
672 | /* |
623 | abort (); |
673 | * If perl-run returns we assume exit() was being called or the coro |
|
|
674 | * fell off the end, which seems to be the only valid (non-bug) |
|
|
675 | * reason for perl_run to return. We try to exit by jumping to the |
|
|
676 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
|
|
677 | * coroutine as Coro has no such concept |
|
|
678 | */ |
|
|
679 | PL_top_env = main_top_env; |
|
|
680 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
624 | } |
681 | } |
625 | |
682 | |
626 | static coro_cctx * |
683 | static coro_cctx * |
627 | cctx_new () |
684 | cctx_new () |
628 | { |
685 | { |
629 | coro_cctx *cctx; |
686 | coro_cctx *cctx; |
|
|
687 | void *stack_start; |
|
|
688 | size_t stack_size; |
630 | |
689 | |
631 | ++cctx_count; |
690 | ++cctx_count; |
632 | |
691 | |
633 | Newz (0, cctx, 1, coro_cctx); |
692 | Newz (0, cctx, 1, coro_cctx); |
634 | |
693 | |
635 | #if HAVE_MMAP |
694 | #if HAVE_MMAP |
636 | |
695 | |
637 | cctx->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE; |
696 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
638 | /* mmap supposedly does allocate-on-write for us */ |
697 | /* mmap supposedly does allocate-on-write for us */ |
639 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
698 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
640 | |
699 | |
641 | if (cctx->sptr != (void *)-1) |
700 | if (cctx->sptr != (void *)-1) |
642 | { |
701 | { |
643 | # if STACKGUARD |
702 | # if CORO_STACKGUARD |
644 | mprotect (cctx->sptr, STACKGUARD * PAGESIZE, PROT_NONE); |
703 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
645 | # endif |
704 | # endif |
646 | REGISTER_STACK ( |
|
|
647 | cctx, |
|
|
648 | STACKGUARD * PAGESIZE + (char *)cctx->sptr, |
705 | stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
649 | cctx->ssize + (char *)cctx->sptr |
706 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
650 | ); |
707 | cctx->mapped = 1; |
651 | |
|
|
652 | coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, cctx->ssize); |
|
|
653 | } |
708 | } |
654 | else |
709 | else |
655 | #endif |
710 | #endif |
656 | { |
711 | { |
657 | cctx->ssize = -STACKSIZE * (long)sizeof (long); |
712 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
658 | New (0, cctx->sptr, STACKSIZE, long); |
713 | New (0, cctx->sptr, coro_stacksize, long); |
659 | |
714 | |
660 | if (!cctx->sptr) |
715 | if (!cctx->sptr) |
661 | { |
716 | { |
662 | perror ("FATAL: unable to allocate stack for coroutine"); |
717 | perror ("FATAL: unable to allocate stack for coroutine"); |
663 | _exit (EXIT_FAILURE); |
718 | _exit (EXIT_FAILURE); |
664 | } |
719 | } |
665 | |
720 | |
666 | REGISTER_STACK ( |
721 | stack_start = cctx->sptr; |
667 | cctx, |
722 | stack_size = cctx->ssize; |
668 | (char *)cctx->sptr, |
723 | } |
669 | (char *)cctx->sptr - cctx->ssize |
|
|
670 | ); |
|
|
671 | |
724 | |
|
|
725 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
672 | coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, -cctx->ssize); |
726 | coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size); |
673 | } |
|
|
674 | |
727 | |
675 | return cctx; |
728 | return cctx; |
676 | } |
729 | } |
677 | |
730 | |
678 | static void |
731 | static void |
… | |
… | |
681 | if (!cctx) |
734 | if (!cctx) |
682 | return; |
735 | return; |
683 | |
736 | |
684 | --cctx_count; |
737 | --cctx_count; |
685 | |
738 | |
686 | #if USE_VALGRIND |
739 | #if CORO_USE_VALGRIND |
687 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
740 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
688 | #endif |
741 | #endif |
689 | |
742 | |
690 | #if HAVE_MMAP |
743 | #if HAVE_MMAP |
691 | if (cctx->ssize > 0) |
744 | if (cctx->mapped) |
692 | munmap (cctx->sptr, cctx->ssize); |
745 | munmap (cctx->sptr, cctx->ssize); |
693 | else |
746 | else |
694 | #endif |
747 | #endif |
695 | Safefree (cctx->sptr); |
748 | Safefree (cctx->sptr); |
696 | |
749 | |
697 | Safefree (cctx); |
750 | Safefree (cctx); |
698 | } |
751 | } |
699 | |
752 | |
700 | static coro_cctx * |
753 | static coro_cctx * |
701 | cctx_get () |
754 | cctx_get (pTHX) |
702 | { |
755 | { |
703 | coro_cctx *cctx; |
|
|
704 | |
|
|
705 | if (cctx_first) |
756 | while (cctx_first) |
706 | { |
757 | { |
707 | cctx = cctx_first; |
758 | coro_cctx *cctx = cctx_first; |
708 | cctx_first = cctx->next; |
759 | cctx_first = cctx->next; |
709 | --cctx_idle; |
760 | --cctx_idle; |
|
|
761 | |
|
|
762 | if (cctx->ssize >= coro_stacksize) |
|
|
763 | return cctx; |
|
|
764 | |
|
|
765 | cctx_destroy (cctx); |
710 | } |
766 | } |
711 | else |
767 | |
712 | { |
|
|
713 | cctx = cctx_new (); |
|
|
714 | PL_op = PL_op->op_next; |
768 | PL_op = PL_op->op_next; |
715 | } |
|
|
716 | |
|
|
717 | return cctx; |
769 | return cctx_new (); |
718 | } |
770 | } |
719 | |
771 | |
720 | static void |
772 | static void |
721 | cctx_put (coro_cctx *cctx) |
773 | cctx_put (coro_cctx *cctx) |
722 | { |
774 | { |
… | |
… | |
738 | |
790 | |
739 | /** coroutine switching *****************************************************/ |
791 | /** coroutine switching *****************************************************/ |
740 | |
792 | |
741 | /* never call directly, always through the coro_state_transfer global variable */ |
793 | /* never call directly, always through the coro_state_transfer global variable */ |
742 | static void NOINLINE |
794 | static void NOINLINE |
743 | transfer (struct coro *prev, struct coro *next) |
795 | transfer (pTHX_ struct coro *prev, struct coro *next) |
744 | { |
796 | { |
745 | dSTACKLEVEL; |
797 | dSTACKLEVEL; |
746 | |
798 | |
747 | /* sometimes transfer is only called to set idle_sp */ |
799 | /* sometimes transfer is only called to set idle_sp */ |
748 | if (!next) |
800 | if (!next) |
… | |
… | |
781 | if (next->flags & CF_NEW) |
833 | if (next->flags & CF_NEW) |
782 | { |
834 | { |
783 | /* need to start coroutine */ |
835 | /* need to start coroutine */ |
784 | next->flags &= ~CF_NEW; |
836 | next->flags &= ~CF_NEW; |
785 | /* first get rid of the old state */ |
837 | /* first get rid of the old state */ |
786 | save_perl (prev); |
838 | save_perl (aTHX_ prev); |
787 | /* setup coroutine call */ |
839 | /* setup coroutine call */ |
788 | setup_coro (next); |
840 | setup_coro (aTHX_ next); |
789 | /* need a new stack */ |
841 | /* need a new stack */ |
790 | assert (!next->cctx); |
842 | assert (!next->cctx); |
791 | } |
843 | } |
792 | else |
844 | else |
793 | { |
845 | { |
794 | /* coroutine already started */ |
846 | /* coroutine already started */ |
795 | save_perl (prev); |
847 | save_perl (aTHX_ prev); |
796 | load_perl (next); |
848 | load_perl (aTHX_ next); |
797 | } |
849 | } |
798 | |
850 | |
799 | prev__cctx = prev->cctx; |
851 | prev__cctx = prev->cctx; |
800 | |
852 | |
801 | /* possibly "free" the cctx */ |
853 | /* possibly "free" the cctx */ |
… | |
… | |
810 | prev__cctx->inuse = 0; |
862 | prev__cctx->inuse = 0; |
811 | } |
863 | } |
812 | |
864 | |
813 | if (!next->cctx) |
865 | if (!next->cctx) |
814 | { |
866 | { |
815 | next->cctx = cctx_get (); |
867 | next->cctx = cctx_get (aTHX); |
816 | assert (!next->cctx->inuse); |
868 | assert (!next->cctx->inuse); |
817 | next->cctx->inuse = 1; |
869 | next->cctx->inuse = 1; |
818 | } |
870 | } |
819 | |
871 | |
820 | if (prev__cctx != next->cctx) |
872 | if (prev__cctx != next->cctx) |
… | |
… | |
822 | prev__cctx->top_env = PL_top_env; |
874 | prev__cctx->top_env = PL_top_env; |
823 | PL_top_env = next->cctx->top_env; |
875 | PL_top_env = next->cctx->top_env; |
824 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
876 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
825 | } |
877 | } |
826 | |
878 | |
827 | free_coro_mortal (); |
879 | free_coro_mortal (aTHX); |
828 | UNLOCK; |
880 | UNLOCK; |
829 | } |
881 | } |
830 | } |
882 | } |
831 | |
883 | |
832 | struct transfer_args |
884 | struct transfer_args |
833 | { |
885 | { |
834 | struct coro *prev, *next; |
886 | struct coro *prev, *next; |
835 | }; |
887 | }; |
836 | |
888 | |
837 | #define TRANSFER(ta) transfer ((ta).prev, (ta).next) |
889 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
838 | |
890 | |
839 | /** high level stuff ********************************************************/ |
891 | /** high level stuff ********************************************************/ |
840 | |
892 | |
841 | static int |
893 | static int |
842 | coro_state_destroy (struct coro *coro) |
894 | coro_state_destroy (pTHX_ struct coro *coro) |
843 | { |
895 | { |
844 | if (coro->flags & CF_DESTROYED) |
896 | if (coro->flags & CF_DESTROYED) |
845 | return 0; |
897 | return 0; |
846 | |
898 | |
847 | coro->flags |= CF_DESTROYED; |
899 | coro->flags |= CF_DESTROYED; |
… | |
… | |
867 | temp.save = CORO_SAVE_ALL; |
919 | temp.save = CORO_SAVE_ALL; |
868 | |
920 | |
869 | if (coro->flags & CF_RUNNING) |
921 | if (coro->flags & CF_RUNNING) |
870 | croak ("FATAL: tried to destroy currently running coroutine"); |
922 | croak ("FATAL: tried to destroy currently running coroutine"); |
871 | |
923 | |
872 | save_perl (&temp); |
924 | save_perl (aTHX_ &temp); |
873 | load_perl (coro); |
925 | load_perl (aTHX_ coro); |
874 | |
926 | |
875 | coro_destroy_stacks (); |
927 | coro_destroy_stacks (aTHX); |
876 | |
928 | |
877 | load_perl (&temp); /* this will get rid of defsv etc.. */ |
929 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
878 | |
930 | |
879 | coro->mainstack = 0; |
931 | coro->mainstack = 0; |
880 | } |
932 | } |
881 | |
933 | |
882 | cctx_destroy (coro->cctx); |
934 | cctx_destroy (coro->cctx); |
883 | SvREFCNT_dec (coro->args); |
935 | SvREFCNT_dec (coro->args); |
884 | |
936 | |
|
|
937 | if (coro->next) coro->next->prev = coro->prev; |
|
|
938 | if (coro->prev) coro->prev->next = coro->next; |
|
|
939 | if (coro == coro_first) coro_first = coro->next; |
|
|
940 | |
885 | return 1; |
941 | return 1; |
886 | } |
942 | } |
887 | |
943 | |
888 | static int |
944 | static int |
889 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
945 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
890 | { |
946 | { |
891 | struct coro *coro = (struct coro *)mg->mg_ptr; |
947 | struct coro *coro = (struct coro *)mg->mg_ptr; |
892 | mg->mg_ptr = 0; |
948 | mg->mg_ptr = 0; |
893 | |
949 | |
|
|
950 | coro->hv = 0; |
|
|
951 | |
894 | if (--coro->refcnt < 0) |
952 | if (--coro->refcnt < 0) |
895 | { |
953 | { |
896 | coro_state_destroy (coro); |
954 | coro_state_destroy (aTHX_ coro); |
897 | Safefree (coro); |
955 | Safefree (coro); |
898 | } |
956 | } |
899 | |
957 | |
900 | return 0; |
958 | return 0; |
901 | } |
959 | } |
… | |
… | |
920 | # define MGf_DUP 0 |
978 | # define MGf_DUP 0 |
921 | #endif |
979 | #endif |
922 | }; |
980 | }; |
923 | |
981 | |
924 | static struct coro * |
982 | static struct coro * |
925 | SvSTATE (SV *coro) |
983 | SvSTATE_ (pTHX_ SV *coro) |
926 | { |
984 | { |
927 | HV *stash; |
985 | HV *stash; |
928 | MAGIC *mg; |
986 | MAGIC *mg; |
929 | |
987 | |
930 | if (SvROK (coro)) |
988 | if (SvROK (coro)) |
… | |
… | |
936 | /* very slow, but rare, check */ |
994 | /* very slow, but rare, check */ |
937 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
995 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
938 | croak ("Coro::State object required"); |
996 | croak ("Coro::State object required"); |
939 | } |
997 | } |
940 | |
998 | |
941 | mg = SvMAGIC (coro); |
999 | mg = CORO_MAGIC (coro); |
942 | assert (mg->mg_type == PERL_MAGIC_ext); |
|
|
943 | return (struct coro *)mg->mg_ptr; |
1000 | return (struct coro *)mg->mg_ptr; |
944 | } |
1001 | } |
945 | |
1002 | |
|
|
1003 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
1004 | |
946 | static void |
1005 | static void |
947 | prepare_transfer (struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1006 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
948 | { |
1007 | { |
949 | ta->prev = SvSTATE (prev_sv); |
1008 | ta->prev = SvSTATE (prev_sv); |
950 | ta->next = SvSTATE (next_sv); |
1009 | ta->next = SvSTATE (next_sv); |
951 | } |
1010 | } |
952 | |
1011 | |
953 | static void |
1012 | static void |
954 | api_transfer (SV *prev_sv, SV *next_sv) |
1013 | api_transfer (SV *prev_sv, SV *next_sv) |
955 | { |
1014 | { |
|
|
1015 | dTHX; |
956 | struct transfer_args ta; |
1016 | struct transfer_args ta; |
957 | |
1017 | |
958 | prepare_transfer (&ta, prev_sv, next_sv); |
1018 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
959 | TRANSFER (ta); |
1019 | TRANSFER (ta); |
960 | } |
1020 | } |
961 | |
1021 | |
962 | static int |
1022 | static int |
963 | api_save (SV *coro_sv, int new_save) |
1023 | api_save (SV *coro_sv, int new_save) |
964 | { |
1024 | { |
|
|
1025 | dTHX; |
965 | struct coro *coro = SvSTATE (coro_sv); |
1026 | struct coro *coro = SvSTATE (coro_sv); |
966 | int old_save = coro->save; |
1027 | int old_save = coro->save; |
967 | |
1028 | |
968 | if (new_save >= 0) |
1029 | if (new_save >= 0) |
969 | coro->save = new_save; |
1030 | coro->save = new_save; |
… | |
… | |
972 | } |
1033 | } |
973 | |
1034 | |
974 | /** Coro ********************************************************************/ |
1035 | /** Coro ********************************************************************/ |
975 | |
1036 | |
976 | static void |
1037 | static void |
977 | coro_enq (SV *coro_sv) |
1038 | coro_enq (pTHX_ SV *coro_sv) |
978 | { |
1039 | { |
979 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1040 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
980 | } |
1041 | } |
981 | |
1042 | |
982 | static SV * |
1043 | static SV * |
983 | coro_deq (int min_prio) |
1044 | coro_deq (pTHX_ int min_prio) |
984 | { |
1045 | { |
985 | int prio = PRIO_MAX - PRIO_MIN; |
1046 | int prio = PRIO_MAX - PRIO_MIN; |
986 | |
1047 | |
987 | min_prio -= PRIO_MIN; |
1048 | min_prio -= PRIO_MIN; |
988 | if (min_prio < 0) |
1049 | if (min_prio < 0) |
… | |
… | |
996 | } |
1057 | } |
997 | |
1058 | |
998 | static int |
1059 | static int |
999 | api_ready (SV *coro_sv) |
1060 | api_ready (SV *coro_sv) |
1000 | { |
1061 | { |
|
|
1062 | dTHX; |
1001 | struct coro *coro; |
1063 | struct coro *coro; |
1002 | |
1064 | |
1003 | if (SvROK (coro_sv)) |
1065 | if (SvROK (coro_sv)) |
1004 | coro_sv = SvRV (coro_sv); |
1066 | coro_sv = SvRV (coro_sv); |
1005 | |
1067 | |
… | |
… | |
1009 | return 0; |
1071 | return 0; |
1010 | |
1072 | |
1011 | coro->flags |= CF_READY; |
1073 | coro->flags |= CF_READY; |
1012 | |
1074 | |
1013 | LOCK; |
1075 | LOCK; |
1014 | coro_enq (SvREFCNT_inc (coro_sv)); |
1076 | coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); |
1015 | ++coro_nready; |
1077 | ++coro_nready; |
1016 | UNLOCK; |
1078 | UNLOCK; |
1017 | |
1079 | |
1018 | return 1; |
1080 | return 1; |
1019 | } |
1081 | } |
1020 | |
1082 | |
1021 | static int |
1083 | static int |
1022 | api_is_ready (SV *coro_sv) |
1084 | api_is_ready (SV *coro_sv) |
1023 | { |
1085 | { |
|
|
1086 | dTHX; |
1024 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1087 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1025 | } |
1088 | } |
1026 | |
1089 | |
1027 | static void |
1090 | static void |
1028 | prepare_schedule (struct transfer_args *ta) |
1091 | prepare_schedule (pTHX_ struct transfer_args *ta) |
1029 | { |
1092 | { |
1030 | SV *prev_sv, *next_sv; |
1093 | SV *prev_sv, *next_sv; |
1031 | |
1094 | |
1032 | for (;;) |
1095 | for (;;) |
1033 | { |
1096 | { |
1034 | LOCK; |
1097 | LOCK; |
1035 | next_sv = coro_deq (PRIO_MIN); |
1098 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1036 | |
1099 | |
1037 | /* nothing to schedule: call the idle handler */ |
1100 | /* nothing to schedule: call the idle handler */ |
1038 | if (!next_sv) |
1101 | if (!next_sv) |
1039 | { |
1102 | { |
1040 | dSP; |
1103 | dSP; |
… | |
… | |
1075 | |
1138 | |
1076 | assert (ta->next->flags & CF_READY); |
1139 | assert (ta->next->flags & CF_READY); |
1077 | ta->next->flags &= ~CF_READY; |
1140 | ta->next->flags &= ~CF_READY; |
1078 | |
1141 | |
1079 | LOCK; |
1142 | LOCK; |
1080 | free_coro_mortal (); |
1143 | free_coro_mortal (aTHX); |
1081 | coro_mortal = prev_sv; |
1144 | coro_mortal = prev_sv; |
1082 | UNLOCK; |
1145 | UNLOCK; |
1083 | } |
1146 | } |
1084 | |
1147 | |
1085 | static void |
1148 | static void |
1086 | prepare_cede (struct transfer_args *ta) |
1149 | prepare_cede (pTHX_ struct transfer_args *ta) |
1087 | { |
1150 | { |
1088 | api_ready (coro_current); |
1151 | api_ready (coro_current); |
1089 | prepare_schedule (ta); |
1152 | prepare_schedule (aTHX_ ta); |
1090 | } |
1153 | } |
1091 | |
1154 | |
1092 | static int |
1155 | static int |
1093 | prepare_cede_notself (struct transfer_args *ta) |
1156 | prepare_cede_notself (pTHX_ struct transfer_args *ta) |
1094 | { |
1157 | { |
1095 | if (coro_nready) |
1158 | if (coro_nready) |
1096 | { |
1159 | { |
1097 | SV *prev = SvRV (coro_current); |
1160 | SV *prev = SvRV (coro_current); |
1098 | prepare_schedule (ta); |
1161 | prepare_schedule (aTHX_ ta); |
1099 | api_ready (prev); |
1162 | api_ready (prev); |
1100 | return 1; |
1163 | return 1; |
1101 | } |
1164 | } |
1102 | else |
1165 | else |
1103 | return 0; |
1166 | return 0; |
1104 | } |
1167 | } |
1105 | |
1168 | |
1106 | static void |
1169 | static void |
1107 | api_schedule (void) |
1170 | api_schedule (void) |
1108 | { |
1171 | { |
|
|
1172 | dTHX; |
1109 | struct transfer_args ta; |
1173 | struct transfer_args ta; |
1110 | |
1174 | |
1111 | prepare_schedule (&ta); |
1175 | prepare_schedule (aTHX_ &ta); |
1112 | TRANSFER (ta); |
1176 | TRANSFER (ta); |
1113 | } |
1177 | } |
1114 | |
1178 | |
1115 | static int |
1179 | static int |
1116 | api_cede (void) |
1180 | api_cede (void) |
1117 | { |
1181 | { |
|
|
1182 | dTHX; |
1118 | struct transfer_args ta; |
1183 | struct transfer_args ta; |
1119 | |
1184 | |
1120 | prepare_cede (&ta); |
1185 | prepare_cede (aTHX_ &ta); |
1121 | |
1186 | |
1122 | if (ta.prev != ta.next) |
1187 | if (ta.prev != ta.next) |
1123 | { |
1188 | { |
1124 | TRANSFER (ta); |
1189 | TRANSFER (ta); |
1125 | return 1; |
1190 | return 1; |
… | |
… | |
1129 | } |
1194 | } |
1130 | |
1195 | |
1131 | static int |
1196 | static int |
1132 | api_cede_notself (void) |
1197 | api_cede_notself (void) |
1133 | { |
1198 | { |
|
|
1199 | dTHX; |
1134 | struct transfer_args ta; |
1200 | struct transfer_args ta; |
1135 | |
1201 | |
1136 | if (prepare_cede_notself (&ta)) |
1202 | if (prepare_cede_notself (aTHX_ &ta)) |
1137 | { |
1203 | { |
1138 | TRANSFER (ta); |
1204 | TRANSFER (ta); |
1139 | return 1; |
1205 | return 1; |
1140 | } |
1206 | } |
1141 | else |
1207 | else |
… | |
… | |
1157 | |
1223 | |
1158 | newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); |
1224 | newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); |
1159 | newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); |
1225 | newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); |
1160 | newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); |
1226 | newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); |
1161 | newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); |
1227 | newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); |
|
|
1228 | newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH)); |
|
|
1229 | newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF)); |
1162 | newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); |
1230 | newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); |
1163 | |
1231 | |
1164 | main_mainstack = PL_mainstack; |
1232 | main_mainstack = PL_mainstack; |
|
|
1233 | main_top_env = PL_top_env; |
|
|
1234 | |
|
|
1235 | while (main_top_env->je_prev) |
|
|
1236 | main_top_env = main_top_env->je_prev; |
1165 | |
1237 | |
1166 | coroapi.ver = CORO_API_VERSION; |
1238 | coroapi.ver = CORO_API_VERSION; |
1167 | coroapi.transfer = api_transfer; |
1239 | coroapi.transfer = api_transfer; |
1168 | |
1240 | |
1169 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1241 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
… | |
… | |
1177 | HV *hv; |
1249 | HV *hv; |
1178 | int i; |
1250 | int i; |
1179 | |
1251 | |
1180 | Newz (0, coro, 1, struct coro); |
1252 | Newz (0, coro, 1, struct coro); |
1181 | coro->args = newAV (); |
1253 | coro->args = newAV (); |
1182 | coro->save = CORO_SAVE_ALL; |
1254 | coro->save = CORO_SAVE_DEF; |
1183 | coro->flags = CF_NEW; |
1255 | coro->flags = CF_NEW; |
1184 | |
1256 | |
|
|
1257 | if (coro_first) coro_first->prev = coro; |
|
|
1258 | coro->next = coro_first; |
|
|
1259 | coro_first = coro; |
|
|
1260 | |
1185 | hv = newHV (); |
1261 | coro->hv = hv = newHV (); |
1186 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1262 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1187 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1263 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1188 | |
1264 | |
1189 | for (i = 1; i < items; i++) |
1265 | for (i = 1; i < items; i++) |
1190 | av_push (coro->args, newSVsv (ST (i))); |
1266 | av_push (coro->args, newSVsv (ST (i))); |
… | |
… | |
1194 | |
1270 | |
1195 | int |
1271 | int |
1196 | save (SV *coro, int new_save = -1) |
1272 | save (SV *coro, int new_save = -1) |
1197 | CODE: |
1273 | CODE: |
1198 | RETVAL = api_save (coro, new_save); |
1274 | RETVAL = api_save (coro, new_save); |
|
|
1275 | OUTPUT: |
|
|
1276 | RETVAL |
|
|
1277 | |
|
|
1278 | int |
|
|
1279 | save_also (SV *coro_sv, int save_also) |
|
|
1280 | CODE: |
|
|
1281 | { |
|
|
1282 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1283 | RETVAL = coro->save; |
|
|
1284 | coro->save |= save_also; |
|
|
1285 | } |
1199 | OUTPUT: |
1286 | OUTPUT: |
1200 | RETVAL |
1287 | RETVAL |
1201 | |
1288 | |
1202 | void |
1289 | void |
1203 | _set_stacklevel (...) |
1290 | _set_stacklevel (...) |
… | |
… | |
1219 | |
1306 | |
1220 | case 1: |
1307 | case 1: |
1221 | if (items != 2) |
1308 | if (items != 2) |
1222 | croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); |
1309 | croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); |
1223 | |
1310 | |
1224 | prepare_transfer (&ta, ST (0), ST (1)); |
1311 | prepare_transfer (aTHX_ &ta, ST (0), ST (1)); |
1225 | break; |
1312 | break; |
1226 | |
1313 | |
1227 | case 2: |
1314 | case 2: |
1228 | prepare_schedule (&ta); |
1315 | prepare_schedule (aTHX_ &ta); |
1229 | break; |
1316 | break; |
1230 | |
1317 | |
1231 | case 3: |
1318 | case 3: |
1232 | prepare_cede (&ta); |
1319 | prepare_cede (aTHX_ &ta); |
1233 | break; |
1320 | break; |
1234 | |
1321 | |
1235 | case 4: |
1322 | case 4: |
1236 | if (!prepare_cede_notself (&ta)) |
1323 | if (!prepare_cede_notself (aTHX_ &ta)) |
1237 | XSRETURN_EMPTY; |
1324 | XSRETURN_EMPTY; |
1238 | |
1325 | |
1239 | break; |
1326 | break; |
1240 | } |
1327 | } |
1241 | |
1328 | |
… | |
… | |
1247 | } |
1334 | } |
1248 | |
1335 | |
1249 | bool |
1336 | bool |
1250 | _destroy (SV *coro_sv) |
1337 | _destroy (SV *coro_sv) |
1251 | CODE: |
1338 | CODE: |
1252 | RETVAL = coro_state_destroy (SvSTATE (coro_sv)); |
1339 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1253 | OUTPUT: |
1340 | OUTPUT: |
1254 | RETVAL |
1341 | RETVAL |
1255 | |
1342 | |
1256 | void |
1343 | void |
1257 | _exit (code) |
1344 | _exit (code) |
… | |
… | |
1259 | PROTOTYPE: $ |
1346 | PROTOTYPE: $ |
1260 | CODE: |
1347 | CODE: |
1261 | _exit (code); |
1348 | _exit (code); |
1262 | |
1349 | |
1263 | int |
1350 | int |
|
|
1351 | cctx_stacksize (int new_stacksize = 0) |
|
|
1352 | CODE: |
|
|
1353 | RETVAL = coro_stacksize; |
|
|
1354 | if (new_stacksize) |
|
|
1355 | coro_stacksize = new_stacksize; |
|
|
1356 | OUTPUT: |
|
|
1357 | RETVAL |
|
|
1358 | |
|
|
1359 | int |
1264 | cctx_count () |
1360 | cctx_count () |
1265 | CODE: |
1361 | CODE: |
1266 | RETVAL = cctx_count; |
1362 | RETVAL = cctx_count; |
1267 | OUTPUT: |
1363 | OUTPUT: |
1268 | RETVAL |
1364 | RETVAL |
… | |
… | |
1272 | CODE: |
1368 | CODE: |
1273 | RETVAL = cctx_idle; |
1369 | RETVAL = cctx_idle; |
1274 | OUTPUT: |
1370 | OUTPUT: |
1275 | RETVAL |
1371 | RETVAL |
1276 | |
1372 | |
|
|
1373 | void |
|
|
1374 | list () |
|
|
1375 | PPCODE: |
|
|
1376 | { |
|
|
1377 | struct coro *coro; |
|
|
1378 | for (coro = coro_first; coro; coro = coro->next) |
|
|
1379 | if (coro->hv) |
|
|
1380 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
|
|
1381 | } |
|
|
1382 | |
|
|
1383 | void |
|
|
1384 | _eval (Coro::State coro, SV *coderef) |
|
|
1385 | CODE: |
|
|
1386 | { |
|
|
1387 | if (coro->mainstack) |
|
|
1388 | { |
|
|
1389 | struct coro temp; |
|
|
1390 | Zero (&temp, 1, struct coro); |
|
|
1391 | temp.save = CORO_SAVE_ALL; |
|
|
1392 | |
|
|
1393 | if (!(coro->flags & CF_RUNNING)) |
|
|
1394 | { |
|
|
1395 | save_perl (aTHX_ &temp); |
|
|
1396 | load_perl (aTHX_ coro); |
|
|
1397 | } |
|
|
1398 | |
|
|
1399 | { |
|
|
1400 | dSP; |
|
|
1401 | ENTER; |
|
|
1402 | SAVETMPS; |
|
|
1403 | PUSHMARK (SP); |
|
|
1404 | PUTBACK; |
|
|
1405 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
1406 | SPAGAIN; |
|
|
1407 | FREETMPS; |
|
|
1408 | LEAVE; |
|
|
1409 | PUTBACK; |
|
|
1410 | } |
|
|
1411 | |
|
|
1412 | if (!(coro->flags & CF_RUNNING)) |
|
|
1413 | { |
|
|
1414 | save_perl (aTHX_ coro); |
|
|
1415 | load_perl (aTHX_ &temp); |
|
|
1416 | } |
|
|
1417 | } |
|
|
1418 | } |
|
|
1419 | |
|
|
1420 | SV * |
|
|
1421 | is_ready (Coro::State coro) |
|
|
1422 | PROTOTYPE: $ |
|
|
1423 | ALIAS: |
|
|
1424 | is_ready = CF_READY |
|
|
1425 | is_running = CF_RUNNING |
|
|
1426 | is_new = CF_NEW |
|
|
1427 | is_destroyed = CF_DESTROYED |
|
|
1428 | CODE: |
|
|
1429 | RETVAL = boolSV (coro->flags & ix); |
|
|
1430 | OUTPUT: |
|
|
1431 | RETVAL |
|
|
1432 | |
|
|
1433 | SV * |
|
|
1434 | has_stack (Coro::State coro) |
|
|
1435 | PROTOTYPE: $ |
|
|
1436 | CODE: |
|
|
1437 | RETVAL = boolSV (!!coro->cctx); |
|
|
1438 | OUTPUT: |
|
|
1439 | RETVAL |
|
|
1440 | |
|
|
1441 | IV |
|
|
1442 | rss (Coro::State coro) |
|
|
1443 | PROTOTYPE: $ |
|
|
1444 | CODE: |
|
|
1445 | RETVAL = coro_rss (coro); |
|
|
1446 | OUTPUT: |
|
|
1447 | RETVAL |
|
|
1448 | |
|
|
1449 | |
1277 | MODULE = Coro::State PACKAGE = Coro |
1450 | MODULE = Coro::State PACKAGE = Coro |
1278 | |
1451 | |
1279 | BOOT: |
1452 | BOOT: |
1280 | { |
1453 | { |
1281 | int i; |
1454 | int i; |
|
|
1455 | |
|
|
1456 | sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); |
|
|
1457 | sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); |
|
|
1458 | av_async_pool = get_av ("Coro::async_pool", TRUE); |
|
|
1459 | |
|
|
1460 | coro_current = get_sv ("Coro::current", FALSE); |
|
|
1461 | SvREADONLY_on (coro_current); |
1282 | |
1462 | |
1283 | coro_stash = gv_stashpv ("Coro", TRUE); |
1463 | coro_stash = gv_stashpv ("Coro", TRUE); |
1284 | |
1464 | |
1285 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1465 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1286 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1466 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1287 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1467 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1288 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1468 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1289 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
1469 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
1290 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
1470 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
1291 | |
|
|
1292 | coro_current = get_sv ("Coro::current", FALSE); |
|
|
1293 | SvREADONLY_on (coro_current); |
|
|
1294 | |
1471 | |
1295 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1472 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1296 | coro_ready[i] = newAV (); |
1473 | coro_ready[i] = newAV (); |
1297 | |
1474 | |
1298 | { |
1475 | { |
… | |
… | |
1348 | CODE: |
1525 | CODE: |
1349 | RETVAL = boolSV (api_ready (self)); |
1526 | RETVAL = boolSV (api_ready (self)); |
1350 | OUTPUT: |
1527 | OUTPUT: |
1351 | RETVAL |
1528 | RETVAL |
1352 | |
1529 | |
1353 | SV * |
|
|
1354 | is_ready (SV *self) |
|
|
1355 | PROTOTYPE: $ |
|
|
1356 | CODE: |
|
|
1357 | RETVAL = boolSV (api_is_ready (self)); |
|
|
1358 | OUTPUT: |
|
|
1359 | RETVAL |
|
|
1360 | |
|
|
1361 | int |
1530 | int |
1362 | nready (...) |
1531 | nready (...) |
1363 | PROTOTYPE: |
1532 | PROTOTYPE: |
1364 | CODE: |
1533 | CODE: |
1365 | RETVAL = coro_nready; |
1534 | RETVAL = coro_nready; |
1366 | OUTPUT: |
1535 | OUTPUT: |
1367 | RETVAL |
1536 | RETVAL |
1368 | |
1537 | |
|
|
1538 | # for async_pool speedup |
|
|
1539 | void |
|
|
1540 | _pool_1 (SV *cb) |
|
|
1541 | CODE: |
|
|
1542 | { |
|
|
1543 | int i, len; |
|
|
1544 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1545 | AV *defav = GvAV (PL_defgv); |
|
|
1546 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
1547 | AV *invoke_av; |
|
|
1548 | |
|
|
1549 | if (!invoke) |
|
|
1550 | croak ("\3terminate\2\n"); |
|
|
1551 | |
|
|
1552 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
1553 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
1554 | |
|
|
1555 | invoke_av = (AV *)SvRV (invoke); |
|
|
1556 | len = av_len (invoke_av); |
|
|
1557 | |
|
|
1558 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
1559 | |
|
|
1560 | if (len > 0) |
|
|
1561 | { |
|
|
1562 | av_fill (defav, len - 1); |
|
|
1563 | for (i = 0; i < len; ++i) |
|
|
1564 | av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); |
|
|
1565 | } |
|
|
1566 | |
|
|
1567 | SvREFCNT_dec (invoke); |
|
|
1568 | } |
|
|
1569 | |
|
|
1570 | void |
|
|
1571 | _pool_2 (SV *cb) |
|
|
1572 | CODE: |
|
|
1573 | { |
|
|
1574 | struct coro *coro = SvSTATE (coro_current); |
|
|
1575 | |
|
|
1576 | sv_setsv (cb, &PL_sv_undef); |
|
|
1577 | |
|
|
1578 | if (coro_rss (coro) > SvIV (sv_pool_rss) |
|
|
1579 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1580 | croak ("\3terminate\2\n"); |
|
|
1581 | |
|
|
1582 | av_clear (GvAV (PL_defgv)); |
|
|
1583 | hv_store (SvRV (coro_current), "desc", sizeof ("desc") - 1, |
|
|
1584 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
1585 | coro->save = CORO_SAVE_DEF; |
|
|
1586 | coro->prio = 0; |
|
|
1587 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
1588 | } |
|
|
1589 | |
|
|
1590 | |
1369 | MODULE = Coro::State PACKAGE = Coro::AIO |
1591 | MODULE = Coro::State PACKAGE = Coro::AIO |
1370 | |
1592 | |
1371 | SV * |
1593 | SV * |
1372 | _get_state () |
1594 | _get_state () |
1373 | CODE: |
1595 | CODE: |