… | |
… | |
16 | |
16 | |
17 | #ifdef WIN32 |
17 | #ifdef WIN32 |
18 | # undef setjmp |
18 | # undef setjmp |
19 | # undef longjmp |
19 | # undef longjmp |
20 | # undef _exit |
20 | # undef _exit |
21 | # define setjmp _setjmp // deep magic, don't ask |
21 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
22 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
23 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
24 | #endif |
25 | |
25 | |
26 | #ifdef HAVE_MMAP |
26 | #ifdef HAVE_MMAP |
… | |
… | |
55 | |
55 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
57 | (PERL_REVISION > (a) \ |
57 | (PERL_REVISION > (a) \ |
58 | || (PERL_REVISION == (a) \ |
58 | || (PERL_REVISION == (a) \ |
59 | && (PERL_VERSION > (b) \ |
59 | && (PERL_VERSION > (b) \ |
60 | || (PERL_VERSION == (b) && PERLSUBVERSION >= (c))))) |
60 | || (PERL_VERSION == (b) && PERL_SUBVERSION >= (c))))) |
61 | |
61 | |
62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
63 | # ifndef PL_ppaddr |
63 | # ifndef PL_ppaddr |
64 | # define PL_ppaddr ppaddr |
64 | # define PL_ppaddr ppaddr |
65 | # endif |
65 | # endif |
… | |
… | |
95 | # define GV_NOTQUAL 0 |
95 | # define GV_NOTQUAL 0 |
96 | #endif |
96 | #endif |
97 | #ifndef newSV |
97 | #ifndef newSV |
98 | # define newSV(l) NEWSV(0,l) |
98 | # define newSV(l) NEWSV(0,l) |
99 | #endif |
99 | #endif |
|
|
100 | #ifndef CvISXSUB_on |
|
|
101 | # define CvISXSUB_on(cv) (void)cv |
|
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102 | #endif |
|
|
103 | #ifndef CvISXSUB |
|
|
104 | # define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE) |
|
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105 | #endif |
|
|
106 | #ifndef Newx |
|
|
107 | # define Newx(ptr,nitems,type) New (0,ptr,nitems,type) |
|
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108 | #endif |
100 | |
109 | |
101 | /* 5.8.7 */ |
110 | /* 5.8.7 */ |
102 | #ifndef SvRV_set |
111 | #ifndef SvRV_set |
103 | # define SvRV_set(s,v) SvRV(s) = (v) |
112 | # define SvRV_set(s,v) SvRV(s) = (v) |
104 | #endif |
113 | #endif |
… | |
… | |
117 | #endif |
126 | #endif |
118 | |
127 | |
119 | /* The next macros try to return the current stack pointer, in an as |
128 | /* The next macros try to return the current stack pointer, in an as |
120 | * portable way as possible. */ |
129 | * portable way as possible. */ |
121 | #if __GNUC__ >= 4 |
130 | #if __GNUC__ >= 4 |
|
|
131 | # define dSTACKLEVEL int stacklevel_dummy |
122 | # define dSTACKLEVEL void *stacklevel = __builtin_frame_address (0) |
132 | # define STACKLEVEL __builtin_frame_address (0) |
123 | #else |
133 | #else |
124 | # define dSTACKLEVEL volatile void *stacklevel = (volatile void *)&stacklevel |
134 | # define dSTACKLEVEL volatile void *stacklevel |
|
|
135 | # define STACKLEVEL ((void *)&stacklevel) |
125 | #endif |
136 | #endif |
126 | |
137 | |
127 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
138 | #define IN_DESTRUCT PL_dirty |
128 | |
139 | |
129 | #if __GNUC__ >= 3 |
140 | #if __GNUC__ >= 3 |
130 | # define attribute(x) __attribute__(x) |
141 | # define attribute(x) __attribute__(x) |
131 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
142 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
132 | # define INLINE static inline |
143 | # define INLINE static inline |
… | |
… | |
140 | #define expect_true(expr) expect ((expr) != 0, 1) |
151 | #define expect_true(expr) expect ((expr) != 0, 1) |
141 | |
152 | |
142 | #define NOINLINE attribute ((noinline)) |
153 | #define NOINLINE attribute ((noinline)) |
143 | |
154 | |
144 | #include "CoroAPI.h" |
155 | #include "CoroAPI.h" |
|
|
156 | #define GCoroAPI (&coroapi) /* very sneaky */ |
145 | |
157 | |
146 | #ifdef USE_ITHREADS |
158 | #ifdef USE_ITHREADS |
147 | |
|
|
148 | static perl_mutex coro_lock; |
|
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149 | # define LOCK do { MUTEX_LOCK (&coro_lock); } while (0) |
|
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150 | # define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0) |
|
|
151 | # if CORO_PTHREAD |
159 | # if CORO_PTHREAD |
152 | static void *coro_thx; |
160 | static void *coro_thx; |
153 | # endif |
161 | # endif |
154 | |
|
|
155 | #else |
|
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156 | |
|
|
157 | # define LOCK (void)0 |
|
|
158 | # define UNLOCK (void)0 |
|
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159 | |
|
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160 | #endif |
162 | #endif |
161 | |
|
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162 | # undef LOCK |
|
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163 | # define LOCK (void)0 |
|
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164 | # undef UNLOCK |
|
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165 | # define UNLOCK (void)0 |
|
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166 | |
|
|
167 | /* helper storage struct for Coro::AIO */ |
|
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168 | struct io_state |
|
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169 | { |
|
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170 | AV *res; |
|
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171 | int errorno; |
|
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172 | I32 laststype; /* U16 in 5.10.0 */ |
|
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173 | int laststatval; |
|
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174 | Stat_t statcache; |
|
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175 | }; |
|
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176 | |
163 | |
177 | static double (*nvtime)(); /* so why doesn't it take void? */ |
164 | static double (*nvtime)(); /* so why doesn't it take void? */ |
|
|
165 | |
|
|
166 | /* we hijack an hopefully unused CV flag for our purposes */ |
|
|
167 | #define CVf_SLF 0x4000 |
|
|
168 | static OP *pp_slf (pTHX); |
178 | |
169 | |
179 | static U32 cctx_gen; |
170 | static U32 cctx_gen; |
180 | static size_t cctx_stacksize = CORO_STACKSIZE; |
171 | static size_t cctx_stacksize = CORO_STACKSIZE; |
181 | static struct CoroAPI coroapi; |
172 | static struct CoroAPI coroapi; |
182 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
173 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
183 | static JMPENV *main_top_env; |
174 | static JMPENV *main_top_env; |
184 | static HV *coro_state_stash, *coro_stash; |
175 | static HV *coro_state_stash, *coro_stash; |
185 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
176 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
186 | static volatile struct coro *transfer_next; |
177 | |
|
|
178 | static AV *av_destroy; /* destruction queue */ |
|
|
179 | static SV *sv_manager; /* the manager coro */ |
|
|
180 | static SV *sv_idle; /* $Coro::idle */ |
187 | |
181 | |
188 | static GV *irsgv; /* $/ */ |
182 | static GV *irsgv; /* $/ */ |
189 | static GV *stdoutgv; /* *STDOUT */ |
183 | static GV *stdoutgv; /* *STDOUT */ |
190 | static SV *rv_diehook; |
184 | static SV *rv_diehook; |
191 | static SV *rv_warnhook; |
185 | static SV *rv_warnhook; |
192 | static HV *hv_sig; /* %SIG */ |
186 | static HV *hv_sig; /* %SIG */ |
193 | |
187 | |
194 | /* async_pool helper stuff */ |
188 | /* async_pool helper stuff */ |
195 | static SV *sv_pool_rss; |
189 | static SV *sv_pool_rss; |
196 | static SV *sv_pool_size; |
190 | static SV *sv_pool_size; |
|
|
191 | static SV *sv_async_pool_idle; /* description string */ |
197 | static AV *av_async_pool; |
192 | static AV *av_async_pool; /* idle pool */ |
|
|
193 | static SV *sv_Coro; /* class string */ |
|
|
194 | static CV *cv_pool_handler; |
|
|
195 | static CV *cv_coro_state_new; |
198 | |
196 | |
199 | /* Coro::AnyEvent */ |
197 | /* Coro::AnyEvent */ |
200 | static SV *sv_activity; |
198 | static SV *sv_activity; |
201 | |
199 | |
202 | static struct coro_cctx *cctx_first; |
200 | static struct coro_cctx *cctx_first; |
… | |
… | |
231 | int valgrind_id; |
229 | int valgrind_id; |
232 | #endif |
230 | #endif |
233 | unsigned char flags; |
231 | unsigned char flags; |
234 | } coro_cctx; |
232 | } coro_cctx; |
235 | |
233 | |
|
|
234 | coro_cctx *cctx_current; /* the currently running cctx */ |
|
|
235 | |
|
|
236 | /*****************************************************************************/ |
|
|
237 | |
236 | enum { |
238 | enum { |
237 | CF_RUNNING = 0x0001, /* coroutine is running */ |
239 | CF_RUNNING = 0x0001, /* coroutine is running */ |
238 | CF_READY = 0x0002, /* coroutine is ready */ |
240 | CF_READY = 0x0002, /* coroutine is ready */ |
239 | CF_NEW = 0x0004, /* has never been switched to */ |
241 | CF_NEW = 0x0004, /* has never been switched to */ |
240 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
242 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
|
|
243 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
241 | }; |
244 | }; |
242 | |
245 | |
243 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
246 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
244 | typedef struct |
247 | typedef struct |
245 | { |
248 | { |
246 | SV *defsv; |
249 | SV *defsv; |
247 | AV *defav; |
250 | AV *defav; |
248 | SV *errsv; |
251 | SV *errsv; |
249 | SV *irsgv; |
252 | SV *irsgv; |
|
|
253 | HV *hinthv; |
250 | #define VAR(name,type) type name; |
254 | #define VAR(name,type) type name; |
251 | # include "state.h" |
255 | # include "state.h" |
252 | #undef VAR |
256 | #undef VAR |
253 | } perl_slots; |
257 | } perl_slots; |
254 | |
258 | |
… | |
… | |
257 | /* this is a structure representing a perl-level coroutine */ |
261 | /* this is a structure representing a perl-level coroutine */ |
258 | struct coro { |
262 | struct coro { |
259 | /* the C coroutine allocated to this perl coroutine, if any */ |
263 | /* the C coroutine allocated to this perl coroutine, if any */ |
260 | coro_cctx *cctx; |
264 | coro_cctx *cctx; |
261 | |
265 | |
262 | /* process data */ |
266 | /* state data */ |
263 | struct CoroSLF slf_frame; /* saved slf frame */ |
267 | struct CoroSLF slf_frame; /* saved slf frame */ |
264 | AV *mainstack; |
268 | AV *mainstack; |
265 | perl_slots *slot; /* basically the saved sp */ |
269 | perl_slots *slot; /* basically the saved sp */ |
266 | |
270 | |
|
|
271 | CV *startcv; /* the CV to execute */ |
267 | AV *args; /* data associated with this coroutine (initial args) */ |
272 | AV *args; /* data associated with this coroutine (initial args) */ |
268 | int refcnt; /* coroutines are refcounted, yes */ |
273 | int refcnt; /* coroutines are refcounted, yes */ |
269 | int flags; /* CF_ flags */ |
274 | int flags; /* CF_ flags */ |
270 | HV *hv; /* the perl hash associated with this coro, if any */ |
275 | HV *hv; /* the perl hash associated with this coro, if any */ |
|
|
276 | void (*on_destroy)(pTHX_ struct coro *coro); |
271 | |
277 | |
272 | /* statistics */ |
278 | /* statistics */ |
273 | int usecount; /* number of transfers to this coro */ |
279 | int usecount; /* number of transfers to this coro */ |
274 | |
280 | |
275 | /* coro process data */ |
281 | /* coro process data */ |
276 | int prio; |
282 | int prio; |
277 | SV *throw; /* exception to be thrown */ |
283 | SV *except; /* exception to be thrown */ |
|
|
284 | SV *rouse_cb; |
278 | |
285 | |
279 | /* async_pool */ |
286 | /* async_pool */ |
280 | SV *saved_deffh; |
287 | SV *saved_deffh; |
|
|
288 | SV *invoke_cb; |
|
|
289 | AV *invoke_av; |
|
|
290 | |
|
|
291 | /* on_enter/on_leave */ |
|
|
292 | AV *on_enter; |
|
|
293 | AV *on_leave; |
281 | |
294 | |
282 | /* linked list */ |
295 | /* linked list */ |
283 | struct coro *next, *prev; |
296 | struct coro *next, *prev; |
284 | }; |
297 | }; |
285 | |
298 | |
286 | typedef struct coro *Coro__State; |
299 | typedef struct coro *Coro__State; |
287 | typedef struct coro *Coro__State_or_hashref; |
300 | typedef struct coro *Coro__State_or_hashref; |
288 | |
301 | |
|
|
302 | /* the following variables are effectively part of the perl context */ |
|
|
303 | /* and get copied between struct coro and these variables */ |
|
|
304 | /* the mainr easonw e don't support windows process emulation */ |
289 | static struct CoroSLF slf_frame; /* the current slf frame */ |
305 | static struct CoroSLF slf_frame; /* the current slf frame */ |
290 | |
306 | |
291 | /** Coro ********************************************************************/ |
307 | /** Coro ********************************************************************/ |
292 | |
308 | |
293 | #define PRIO_MAX 3 |
309 | #define PRIO_MAX 3 |
… | |
… | |
299 | |
315 | |
300 | /* for Coro.pm */ |
316 | /* for Coro.pm */ |
301 | static SV *coro_current; |
317 | static SV *coro_current; |
302 | static SV *coro_readyhook; |
318 | static SV *coro_readyhook; |
303 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
319 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
|
|
320 | static CV *cv_coro_run, *cv_coro_terminate; |
304 | static struct coro *coro_first; |
321 | static struct coro *coro_first; |
305 | #define coro_nready coroapi.nready |
322 | #define coro_nready coroapi.nready |
306 | |
323 | |
307 | /** lowlevel stuff **********************************************************/ |
324 | /** lowlevel stuff **********************************************************/ |
308 | |
325 | |
… | |
… | |
334 | get_hv (name, create); |
351 | get_hv (name, create); |
335 | #endif |
352 | #endif |
336 | return get_hv (name, create); |
353 | return get_hv (name, create); |
337 | } |
354 | } |
338 | |
355 | |
|
|
356 | /* may croak */ |
|
|
357 | INLINE CV * |
|
|
358 | coro_sv_2cv (pTHX_ SV *sv) |
|
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359 | { |
|
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360 | HV *st; |
|
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361 | GV *gvp; |
|
|
362 | CV *cv = sv_2cv (sv, &st, &gvp, 0); |
|
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363 | |
|
|
364 | if (!cv) |
|
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365 | croak ("code reference expected"); |
|
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366 | |
|
|
367 | return cv; |
|
|
368 | } |
|
|
369 | |
|
|
370 | /*****************************************************************************/ |
|
|
371 | /* magic glue */ |
|
|
372 | |
|
|
373 | #define CORO_MAGIC_type_cv 26 |
|
|
374 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
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375 | |
|
|
376 | #define CORO_MAGIC_NN(sv, type) \ |
|
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377 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
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378 | ? SvMAGIC (sv) \ |
|
|
379 | : mg_find (sv, type)) |
|
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380 | |
|
|
381 | #define CORO_MAGIC(sv, type) \ |
|
|
382 | (expect_true (SvMAGIC (sv)) \ |
|
|
383 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
384 | : 0) |
|
|
385 | |
|
|
386 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
387 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
388 | |
|
|
389 | INLINE struct coro * |
|
|
390 | SvSTATE_ (pTHX_ SV *coro) |
|
|
391 | { |
|
|
392 | HV *stash; |
|
|
393 | MAGIC *mg; |
|
|
394 | |
|
|
395 | if (SvROK (coro)) |
|
|
396 | coro = SvRV (coro); |
|
|
397 | |
|
|
398 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
399 | croak ("Coro::State object required"); |
|
|
400 | |
|
|
401 | stash = SvSTASH (coro); |
|
|
402 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
403 | { |
|
|
404 | /* very slow, but rare, check */ |
|
|
405 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
406 | croak ("Coro::State object required"); |
|
|
407 | } |
|
|
408 | |
|
|
409 | mg = CORO_MAGIC_state (coro); |
|
|
410 | return (struct coro *)mg->mg_ptr; |
|
|
411 | } |
|
|
412 | |
|
|
413 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
414 | |
|
|
415 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
416 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
417 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
418 | |
|
|
419 | /*****************************************************************************/ |
|
|
420 | /* padlist management and caching */ |
|
|
421 | |
339 | static AV * |
422 | static AV * |
340 | coro_clone_padlist (pTHX_ CV *cv) |
423 | coro_derive_padlist (pTHX_ CV *cv) |
341 | { |
424 | { |
342 | AV *padlist = CvPADLIST (cv); |
425 | AV *padlist = CvPADLIST (cv); |
343 | AV *newpadlist, *newpad; |
426 | AV *newpadlist, *newpad; |
344 | |
427 | |
345 | newpadlist = newAV (); |
428 | newpadlist = newAV (); |
… | |
… | |
350 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
433 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
351 | #endif |
434 | #endif |
352 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
435 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
353 | --AvFILLp (padlist); |
436 | --AvFILLp (padlist); |
354 | |
437 | |
355 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
438 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
356 | av_store (newpadlist, 1, (SV *)newpad); |
439 | av_store (newpadlist, 1, (SV *)newpad); |
357 | |
440 | |
358 | return newpadlist; |
441 | return newpadlist; |
359 | } |
442 | } |
360 | |
443 | |
361 | static void |
444 | static void |
362 | free_padlist (pTHX_ AV *padlist) |
445 | free_padlist (pTHX_ AV *padlist) |
363 | { |
446 | { |
364 | /* may be during global destruction */ |
447 | /* may be during global destruction */ |
365 | if (SvREFCNT (padlist)) |
448 | if (!IN_DESTRUCT) |
366 | { |
449 | { |
367 | I32 i = AvFILLp (padlist); |
450 | I32 i = AvFILLp (padlist); |
368 | while (i >= 0) |
451 | |
|
|
452 | while (i > 0) /* special-case index 0 */ |
369 | { |
453 | { |
370 | SV **svp = av_fetch (padlist, i--, FALSE); |
454 | /* we try to be extra-careful here */ |
371 | if (svp) |
455 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
372 | { |
456 | I32 j = AvFILLp (av); |
373 | SV *sv; |
457 | |
374 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
458 | while (j >= 0) |
|
|
459 | SvREFCNT_dec (AvARRAY (av)[j--]); |
|
|
460 | |
|
|
461 | AvFILLp (av) = -1; |
375 | SvREFCNT_dec (sv); |
462 | SvREFCNT_dec (av); |
376 | |
|
|
377 | SvREFCNT_dec (*svp); |
|
|
378 | } |
|
|
379 | } |
463 | } |
380 | |
464 | |
|
|
465 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
|
|
466 | |
|
|
467 | AvFILLp (padlist) = -1; |
381 | SvREFCNT_dec ((SV*)padlist); |
468 | SvREFCNT_dec ((SV*)padlist); |
382 | } |
469 | } |
383 | } |
470 | } |
384 | |
471 | |
385 | static int |
472 | static int |
… | |
… | |
394 | |
481 | |
395 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
482 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
396 | |
483 | |
397 | return 0; |
484 | return 0; |
398 | } |
485 | } |
399 | |
|
|
400 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
|
|
401 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
402 | |
486 | |
403 | static MGVTBL coro_cv_vtbl = { |
487 | static MGVTBL coro_cv_vtbl = { |
404 | 0, 0, 0, 0, |
488 | 0, 0, 0, 0, |
405 | coro_cv_free |
489 | coro_cv_free |
406 | }; |
490 | }; |
407 | |
|
|
408 | #define CORO_MAGIC(sv, type) \ |
|
|
409 | SvMAGIC (sv) \ |
|
|
410 | ? SvMAGIC (sv)->mg_type == type \ |
|
|
411 | ? SvMAGIC (sv) \ |
|
|
412 | : mg_find (sv, type) \ |
|
|
413 | : 0 |
|
|
414 | |
|
|
415 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
416 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
417 | |
|
|
418 | INLINE struct coro * |
|
|
419 | SvSTATE_ (pTHX_ SV *coro) |
|
|
420 | { |
|
|
421 | HV *stash; |
|
|
422 | MAGIC *mg; |
|
|
423 | |
|
|
424 | if (SvROK (coro)) |
|
|
425 | coro = SvRV (coro); |
|
|
426 | |
|
|
427 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
428 | croak ("Coro::State object required"); |
|
|
429 | |
|
|
430 | stash = SvSTASH (coro); |
|
|
431 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
432 | { |
|
|
433 | /* very slow, but rare, check */ |
|
|
434 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
435 | croak ("Coro::State object required"); |
|
|
436 | } |
|
|
437 | |
|
|
438 | mg = CORO_MAGIC_state (coro); |
|
|
439 | return (struct coro *)mg->mg_ptr; |
|
|
440 | } |
|
|
441 | |
|
|
442 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
443 | |
491 | |
444 | /* the next two functions merely cache the padlists */ |
492 | /* the next two functions merely cache the padlists */ |
445 | static void |
493 | static void |
446 | get_padlist (pTHX_ CV *cv) |
494 | get_padlist (pTHX_ CV *cv) |
447 | { |
495 | { |
… | |
… | |
453 | else |
501 | else |
454 | { |
502 | { |
455 | #if CORO_PREFER_PERL_FUNCTIONS |
503 | #if CORO_PREFER_PERL_FUNCTIONS |
456 | /* this is probably cleaner? but also slower! */ |
504 | /* this is probably cleaner? but also slower! */ |
457 | /* in practise, it seems to be less stable */ |
505 | /* in practise, it seems to be less stable */ |
458 | CV *cp = Perl_cv_clone (cv); |
506 | CV *cp = Perl_cv_clone (aTHX_ cv); |
459 | CvPADLIST (cv) = CvPADLIST (cp); |
507 | CvPADLIST (cv) = CvPADLIST (cp); |
460 | CvPADLIST (cp) = 0; |
508 | CvPADLIST (cp) = 0; |
461 | SvREFCNT_dec (cp); |
509 | SvREFCNT_dec (cp); |
462 | #else |
510 | #else |
463 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
511 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
464 | #endif |
512 | #endif |
465 | } |
513 | } |
466 | } |
514 | } |
467 | |
515 | |
468 | static void |
516 | static void |
… | |
… | |
475 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
523 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
476 | |
524 | |
477 | av = (AV *)mg->mg_obj; |
525 | av = (AV *)mg->mg_obj; |
478 | |
526 | |
479 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
527 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
480 | av_extend (av, AvMAX (av) + 1); |
528 | av_extend (av, AvFILLp (av) + 1); |
481 | |
529 | |
482 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
530 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
483 | } |
531 | } |
484 | |
532 | |
485 | /** load & save, init *******************************************************/ |
533 | /** load & save, init *******************************************************/ |
|
|
534 | |
|
|
535 | static void |
|
|
536 | on_enterleave_call (pTHX_ SV *cb); |
486 | |
537 | |
487 | static void |
538 | static void |
488 | load_perl (pTHX_ Coro__State c) |
539 | load_perl (pTHX_ Coro__State c) |
489 | { |
540 | { |
490 | perl_slots *slot = c->slot; |
541 | perl_slots *slot = c->slot; |
491 | c->slot = 0; |
542 | c->slot = 0; |
492 | |
543 | |
493 | PL_mainstack = c->mainstack; |
544 | PL_mainstack = c->mainstack; |
494 | |
545 | |
495 | GvSV (PL_defgv) = slot->defsv; |
546 | GvSV (PL_defgv) = slot->defsv; |
496 | GvAV (PL_defgv) = slot->defav; |
547 | GvAV (PL_defgv) = slot->defav; |
497 | GvSV (PL_errgv) = slot->errsv; |
548 | GvSV (PL_errgv) = slot->errsv; |
498 | GvSV (irsgv) = slot->irsgv; |
549 | GvSV (irsgv) = slot->irsgv; |
|
|
550 | GvHV (PL_hintgv) = slot->hinthv; |
499 | |
551 | |
500 | #define VAR(name,type) PL_ ## name = slot->name; |
552 | #define VAR(name,type) PL_ ## name = slot->name; |
501 | # include "state.h" |
553 | # include "state.h" |
502 | #undef VAR |
554 | #undef VAR |
503 | |
555 | |
… | |
… | |
515 | } |
567 | } |
516 | |
568 | |
517 | PUTBACK; |
569 | PUTBACK; |
518 | } |
570 | } |
519 | |
571 | |
520 | slf_frame = c->slf_frame; |
572 | slf_frame = c->slf_frame; |
|
|
573 | CORO_THROW = c->except; |
|
|
574 | |
|
|
575 | if (expect_false (c->on_enter)) |
|
|
576 | { |
|
|
577 | int i; |
|
|
578 | |
|
|
579 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
580 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
|
|
581 | } |
521 | } |
582 | } |
522 | |
583 | |
523 | static void |
584 | static void |
524 | save_perl (pTHX_ Coro__State c) |
585 | save_perl (pTHX_ Coro__State c) |
525 | { |
586 | { |
|
|
587 | if (expect_false (c->on_leave)) |
|
|
588 | { |
|
|
589 | int i; |
|
|
590 | |
|
|
591 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
592 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
593 | } |
|
|
594 | |
|
|
595 | c->except = CORO_THROW; |
526 | c->slf_frame = slf_frame; |
596 | c->slf_frame = slf_frame; |
527 | |
597 | |
528 | { |
598 | { |
529 | dSP; |
599 | dSP; |
530 | I32 cxix = cxstack_ix; |
600 | I32 cxix = cxstack_ix; |
… | |
… | |
587 | c->mainstack = PL_mainstack; |
657 | c->mainstack = PL_mainstack; |
588 | |
658 | |
589 | { |
659 | { |
590 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
660 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
591 | |
661 | |
592 | slot->defav = GvAV (PL_defgv); |
662 | slot->defav = GvAV (PL_defgv); |
593 | slot->defsv = DEFSV; |
663 | slot->defsv = DEFSV; |
594 | slot->errsv = ERRSV; |
664 | slot->errsv = ERRSV; |
595 | slot->irsgv = GvSV (irsgv); |
665 | slot->irsgv = GvSV (irsgv); |
|
|
666 | slot->hinthv = GvHV (PL_hintgv); |
596 | |
667 | |
597 | #define VAR(name,type) slot->name = PL_ ## name; |
668 | #define VAR(name,type) slot->name = PL_ ## name; |
598 | # include "state.h" |
669 | # include "state.h" |
599 | #undef VAR |
670 | #undef VAR |
600 | } |
671 | } |
… | |
… | |
605 | * of perl.c:init_stacks, except that it uses less memory |
676 | * of perl.c:init_stacks, except that it uses less memory |
606 | * on the (sometimes correct) assumption that coroutines do |
677 | * on the (sometimes correct) assumption that coroutines do |
607 | * not usually need a lot of stackspace. |
678 | * not usually need a lot of stackspace. |
608 | */ |
679 | */ |
609 | #if CORO_PREFER_PERL_FUNCTIONS |
680 | #if CORO_PREFER_PERL_FUNCTIONS |
610 | # define coro_init_stacks init_stacks |
681 | # define coro_init_stacks(thx) init_stacks () |
611 | #else |
682 | #else |
612 | static void |
683 | static void |
613 | coro_init_stacks (pTHX) |
684 | coro_init_stacks (pTHX) |
614 | { |
685 | { |
615 | PL_curstackinfo = new_stackinfo(32, 8); |
686 | PL_curstackinfo = new_stackinfo(32, 8); |
… | |
… | |
678 | #if !PERL_VERSION_ATLEAST (5,10,0) |
749 | #if !PERL_VERSION_ATLEAST (5,10,0) |
679 | Safefree (PL_retstack); |
750 | Safefree (PL_retstack); |
680 | #endif |
751 | #endif |
681 | } |
752 | } |
682 | |
753 | |
|
|
754 | #define CORO_RSS \ |
|
|
755 | rss += sizeof (SYM (curstackinfo)); \ |
|
|
756 | rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \ |
|
|
757 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \ |
|
|
758 | rss += SYM (tmps_max) * sizeof (SV *); \ |
|
|
759 | rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \ |
|
|
760 | rss += SYM (scopestack_max) * sizeof (I32); \ |
|
|
761 | rss += SYM (savestack_max) * sizeof (ANY); |
|
|
762 | |
683 | static size_t |
763 | static size_t |
684 | coro_rss (pTHX_ struct coro *coro) |
764 | coro_rss (pTHX_ struct coro *coro) |
685 | { |
765 | { |
686 | size_t rss = sizeof (*coro); |
766 | size_t rss = sizeof (*coro); |
687 | |
767 | |
688 | if (coro->mainstack) |
768 | if (coro->mainstack) |
689 | { |
769 | { |
690 | perl_slots tmp_slot; |
|
|
691 | perl_slots *slot; |
|
|
692 | |
|
|
693 | if (coro->flags & CF_RUNNING) |
770 | if (coro->flags & CF_RUNNING) |
694 | { |
771 | { |
695 | slot = &tmp_slot; |
772 | #define SYM(sym) PL_ ## sym |
696 | |
773 | CORO_RSS; |
697 | #define VAR(name,type) slot->name = PL_ ## name; |
|
|
698 | # include "state.h" |
|
|
699 | #undef VAR |
774 | #undef SYM |
700 | } |
775 | } |
701 | else |
776 | else |
702 | slot = coro->slot; |
|
|
703 | |
|
|
704 | if (slot) |
|
|
705 | { |
777 | { |
706 | rss += sizeof (slot->curstackinfo); |
778 | #define SYM(sym) coro->slot->sym |
707 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
779 | CORO_RSS; |
708 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
780 | #undef SYM |
709 | rss += slot->tmps_max * sizeof (SV *); |
|
|
710 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
|
|
711 | rss += slot->scopestack_max * sizeof (I32); |
|
|
712 | rss += slot->savestack_max * sizeof (ANY); |
|
|
713 | |
|
|
714 | #if !PERL_VERSION_ATLEAST (5,10,0) |
|
|
715 | rss += slot->retstack_max * sizeof (OP *); |
|
|
716 | #endif |
|
|
717 | } |
781 | } |
718 | } |
782 | } |
719 | |
783 | |
720 | return rss; |
784 | return rss; |
721 | } |
785 | } |
… | |
… | |
734 | #endif |
798 | #endif |
735 | |
799 | |
736 | /* |
800 | /* |
737 | * This overrides the default magic get method of %SIG elements. |
801 | * This overrides the default magic get method of %SIG elements. |
738 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
802 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
739 | * and instead of tryign to save and restore the hash elements, we just provide |
803 | * and instead of trying to save and restore the hash elements, we just provide |
740 | * readback here. |
804 | * readback here. |
741 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
742 | * not expecting this to actually change the hook. This is a potential problem |
|
|
743 | * when a schedule happens then, but we ignore this. |
|
|
744 | */ |
805 | */ |
745 | static int |
806 | static int |
746 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
807 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
747 | { |
808 | { |
748 | const char *s = MgPV_nolen_const (mg); |
809 | const char *s = MgPV_nolen_const (mg); |
… | |
… | |
801 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
862 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
802 | |
863 | |
803 | if (svp) |
864 | if (svp) |
804 | { |
865 | { |
805 | SV *old = *svp; |
866 | SV *old = *svp; |
806 | *svp = newSVsv (sv); |
867 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
807 | SvREFCNT_dec (old); |
868 | SvREFCNT_dec (old); |
808 | return 0; |
869 | return 0; |
809 | } |
870 | } |
810 | } |
871 | } |
811 | |
872 | |
812 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
873 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
813 | } |
874 | } |
814 | |
875 | |
815 | static void |
876 | static void |
816 | prepare_nop (aTHX_ struct coro_transfer_args *ta) |
877 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
817 | { |
878 | { |
818 | /* kind of mega-hacky, but works */ |
879 | /* kind of mega-hacky, but works */ |
819 | ta->next = ta->prev = (struct coro *)ta; |
880 | ta->next = ta->prev = (struct coro *)ta; |
820 | } |
881 | } |
821 | |
882 | |
822 | static int |
883 | static int |
823 | slf_check_nop (aTHX) |
884 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
824 | { |
885 | { |
825 | return 0; |
886 | return 0; |
826 | } |
887 | } |
827 | |
888 | |
828 | static void |
889 | static int |
|
|
890 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
|
|
891 | { |
|
|
892 | return 1; |
|
|
893 | } |
|
|
894 | |
|
|
895 | static UNOP coro_setup_op; |
|
|
896 | |
|
|
897 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
829 | coro_setup (pTHX_ struct coro *coro) |
898 | coro_setup (pTHX_ struct coro *coro) |
830 | { |
899 | { |
831 | /* |
900 | /* |
832 | * emulate part of the perl startup here. |
901 | * emulate part of the perl startup here. |
833 | */ |
902 | */ |
… | |
… | |
835 | |
904 | |
836 | PL_runops = RUNOPS_DEFAULT; |
905 | PL_runops = RUNOPS_DEFAULT; |
837 | PL_curcop = &PL_compiling; |
906 | PL_curcop = &PL_compiling; |
838 | PL_in_eval = EVAL_NULL; |
907 | PL_in_eval = EVAL_NULL; |
839 | PL_comppad = 0; |
908 | PL_comppad = 0; |
|
|
909 | PL_comppad_name = 0; |
|
|
910 | PL_comppad_name_fill = 0; |
|
|
911 | PL_comppad_name_floor = 0; |
840 | PL_curpm = 0; |
912 | PL_curpm = 0; |
841 | PL_curpad = 0; |
913 | PL_curpad = 0; |
842 | PL_localizing = 0; |
914 | PL_localizing = 0; |
843 | PL_dirty = 0; |
915 | PL_dirty = 0; |
844 | PL_restartop = 0; |
916 | PL_restartop = 0; |
845 | #if PERL_VERSION_ATLEAST (5,10,0) |
917 | #if PERL_VERSION_ATLEAST (5,10,0) |
846 | PL_parser = 0; |
918 | PL_parser = 0; |
847 | #endif |
919 | #endif |
|
|
920 | PL_hints = 0; |
848 | |
921 | |
849 | /* recreate the die/warn hooks */ |
922 | /* recreate the die/warn hooks */ |
850 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
923 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
851 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
924 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
852 | |
925 | |
853 | GvSV (PL_defgv) = newSV (0); |
926 | GvSV (PL_defgv) = newSV (0); |
854 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
927 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
855 | GvSV (PL_errgv) = newSV (0); |
928 | GvSV (PL_errgv) = newSV (0); |
856 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
929 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
930 | GvHV (PL_hintgv) = 0; |
857 | PL_rs = newSVsv (GvSV (irsgv)); |
931 | PL_rs = newSVsv (GvSV (irsgv)); |
858 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
932 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
859 | |
933 | |
860 | { |
934 | { |
861 | dSP; |
935 | dSP; |
862 | UNOP myop; |
936 | UNOP myop; |
863 | |
937 | |
864 | Zero (&myop, 1, UNOP); |
938 | Zero (&myop, 1, UNOP); |
865 | myop.op_next = Nullop; |
939 | myop.op_next = Nullop; |
|
|
940 | myop.op_type = OP_ENTERSUB; |
866 | myop.op_flags = OPf_WANT_VOID; |
941 | myop.op_flags = OPf_WANT_VOID; |
867 | |
942 | |
868 | PUSHMARK (SP); |
943 | PUSHMARK (SP); |
869 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
944 | PUSHs ((SV *)coro->startcv); |
870 | PUTBACK; |
945 | PUTBACK; |
871 | PL_op = (OP *)&myop; |
946 | PL_op = (OP *)&myop; |
872 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
947 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
873 | SPAGAIN; |
|
|
874 | } |
948 | } |
875 | |
949 | |
876 | /* this newly created coroutine might be run on an existing cctx which most |
950 | /* this newly created coroutine might be run on an existing cctx which most |
877 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
951 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
878 | */ |
952 | */ |
879 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
953 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
880 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
954 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
881 | } |
|
|
882 | |
955 | |
|
|
956 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
|
|
957 | coro_setup_op.op_next = PL_op; |
|
|
958 | coro_setup_op.op_type = OP_ENTERSUB; |
|
|
959 | coro_setup_op.op_ppaddr = pp_slf; |
|
|
960 | /* no flags etc. required, as an init function won't be called */ |
|
|
961 | |
|
|
962 | PL_op = (OP *)&coro_setup_op; |
|
|
963 | |
|
|
964 | /* copy throw, in case it was set before coro_setup */ |
|
|
965 | CORO_THROW = coro->except; |
|
|
966 | } |
|
|
967 | |
883 | static void |
968 | static void |
884 | coro_destruct (pTHX_ struct coro *coro) |
969 | coro_unwind_stacks (pTHX) |
885 | { |
970 | { |
886 | if (!IN_DESTRUCT) |
971 | if (!IN_DESTRUCT) |
887 | { |
972 | { |
888 | /* restore all saved variables and stuff */ |
973 | /* restore all saved variables and stuff */ |
889 | LEAVE_SCOPE (0); |
974 | LEAVE_SCOPE (0); |
… | |
… | |
897 | POPSTACK_TO (PL_mainstack); |
982 | POPSTACK_TO (PL_mainstack); |
898 | |
983 | |
899 | /* unwind main stack */ |
984 | /* unwind main stack */ |
900 | dounwind (-1); |
985 | dounwind (-1); |
901 | } |
986 | } |
|
|
987 | } |
|
|
988 | |
|
|
989 | static void |
|
|
990 | coro_destruct_perl (pTHX_ struct coro *coro) |
|
|
991 | { |
|
|
992 | coro_unwind_stacks (aTHX); |
902 | |
993 | |
903 | SvREFCNT_dec (GvSV (PL_defgv)); |
994 | SvREFCNT_dec (GvSV (PL_defgv)); |
904 | SvREFCNT_dec (GvAV (PL_defgv)); |
995 | SvREFCNT_dec (GvAV (PL_defgv)); |
905 | SvREFCNT_dec (GvSV (PL_errgv)); |
996 | SvREFCNT_dec (GvSV (PL_errgv)); |
906 | SvREFCNT_dec (PL_defoutgv); |
997 | SvREFCNT_dec (PL_defoutgv); |
907 | SvREFCNT_dec (PL_rs); |
998 | SvREFCNT_dec (PL_rs); |
908 | SvREFCNT_dec (GvSV (irsgv)); |
999 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
1000 | SvREFCNT_dec (GvHV (PL_hintgv)); |
909 | |
1001 | |
910 | SvREFCNT_dec (PL_diehook); |
1002 | SvREFCNT_dec (PL_diehook); |
911 | SvREFCNT_dec (PL_warnhook); |
1003 | SvREFCNT_dec (PL_warnhook); |
912 | |
1004 | |
913 | SvREFCNT_dec (coro->saved_deffh); |
1005 | SvREFCNT_dec (coro->saved_deffh); |
914 | SvREFCNT_dec (coro->throw); |
1006 | SvREFCNT_dec (coro->rouse_cb); |
|
|
1007 | SvREFCNT_dec (coro->invoke_cb); |
|
|
1008 | SvREFCNT_dec (coro->invoke_av); |
915 | |
1009 | |
916 | coro_destruct_stacks (aTHX); |
1010 | coro_destruct_stacks (aTHX); |
917 | } |
1011 | } |
918 | |
1012 | |
919 | INLINE void |
1013 | INLINE void |
… | |
… | |
929 | static int |
1023 | static int |
930 | runops_trace (pTHX) |
1024 | runops_trace (pTHX) |
931 | { |
1025 | { |
932 | COP *oldcop = 0; |
1026 | COP *oldcop = 0; |
933 | int oldcxix = -2; |
1027 | int oldcxix = -2; |
934 | struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */ |
|
|
935 | coro_cctx *cctx = coro->cctx; |
|
|
936 | |
1028 | |
937 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
1029 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
938 | { |
1030 | { |
939 | PERL_ASYNC_CHECK (); |
1031 | PERL_ASYNC_CHECK (); |
940 | |
1032 | |
941 | if (cctx->flags & CC_TRACE_ALL) |
1033 | if (cctx_current->flags & CC_TRACE_ALL) |
942 | { |
1034 | { |
943 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
1035 | if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB) |
944 | { |
1036 | { |
945 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1037 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
946 | SV **bot, **top; |
1038 | SV **bot, **top; |
947 | AV *av = newAV (); /* return values */ |
1039 | AV *av = newAV (); /* return values */ |
948 | SV **cb; |
1040 | SV **cb; |
… | |
… | |
985 | |
1077 | |
986 | if (PL_curcop != &PL_compiling) |
1078 | if (PL_curcop != &PL_compiling) |
987 | { |
1079 | { |
988 | SV **cb; |
1080 | SV **cb; |
989 | |
1081 | |
990 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
1082 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
991 | { |
1083 | { |
992 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1084 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
993 | |
1085 | |
994 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1086 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
995 | { |
1087 | { |
996 | runops_proc_t old_runops = PL_runops; |
|
|
997 | dSP; |
1088 | dSP; |
998 | GV *gv = CvGV (cx->blk_sub.cv); |
1089 | GV *gv = CvGV (cx->blk_sub.cv); |
999 | SV *fullname = sv_2mortal (newSV (0)); |
1090 | SV *fullname = sv_2mortal (newSV (0)); |
1000 | |
1091 | |
1001 | if (isGV (gv)) |
1092 | if (isGV (gv)) |
… | |
… | |
1006 | SAVETMPS; |
1097 | SAVETMPS; |
1007 | EXTEND (SP, 3); |
1098 | EXTEND (SP, 3); |
1008 | PUSHMARK (SP); |
1099 | PUSHMARK (SP); |
1009 | PUSHs (&PL_sv_yes); |
1100 | PUSHs (&PL_sv_yes); |
1010 | PUSHs (fullname); |
1101 | PUSHs (fullname); |
1011 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1102 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1012 | PUTBACK; |
1103 | PUTBACK; |
1013 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1104 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1014 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1105 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1015 | SPAGAIN; |
1106 | SPAGAIN; |
1016 | FREETMPS; |
1107 | FREETMPS; |
… | |
… | |
1019 | } |
1110 | } |
1020 | |
1111 | |
1021 | oldcxix = cxstack_ix; |
1112 | oldcxix = cxstack_ix; |
1022 | } |
1113 | } |
1023 | |
1114 | |
1024 | if (cctx->flags & CC_TRACE_LINE) |
1115 | if (cctx_current->flags & CC_TRACE_LINE) |
1025 | { |
1116 | { |
1026 | dSP; |
1117 | dSP; |
1027 | |
1118 | |
1028 | PL_runops = RUNOPS_DEFAULT; |
1119 | PL_runops = RUNOPS_DEFAULT; |
1029 | ENTER; |
1120 | ENTER; |
… | |
… | |
1048 | |
1139 | |
1049 | TAINT_NOT; |
1140 | TAINT_NOT; |
1050 | return 0; |
1141 | return 0; |
1051 | } |
1142 | } |
1052 | |
1143 | |
|
|
1144 | static struct CoroSLF cctx_ssl_frame; |
|
|
1145 | |
1053 | static void |
1146 | static void |
1054 | prepare_set_stacklevel (struct coro_transfer_args *ta, struct coro_cctx *cctx) |
1147 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1055 | { |
1148 | { |
1056 | ta->prev = (struct coro *)cctx; |
|
|
1057 | ta->next = 0; |
1149 | ta->prev = 0; |
1058 | } |
1150 | } |
1059 | |
1151 | |
1060 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
1152 | static int |
1061 | /* _cctx_init should be careful, as it could be called at almost any time */ |
1153 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1062 | /* during execution of a perl program */ |
1154 | { |
1063 | /* also initialises PL_top_env */ |
1155 | *frame = cctx_ssl_frame; |
|
|
1156 | |
|
|
1157 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
|
|
1158 | } |
|
|
1159 | |
|
|
1160 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1064 | static void NOINLINE |
1161 | static void NOINLINE |
1065 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1162 | cctx_prepare (pTHX) |
1066 | { |
1163 | { |
1067 | dSP; |
|
|
1068 | UNOP myop; |
|
|
1069 | |
|
|
1070 | PL_top_env = &PL_start_env; |
1164 | PL_top_env = &PL_start_env; |
1071 | |
1165 | |
1072 | if (cctx->flags & CC_TRACE) |
1166 | if (cctx_current->flags & CC_TRACE) |
1073 | PL_runops = runops_trace; |
1167 | PL_runops = runops_trace; |
1074 | |
1168 | |
1075 | Zero (&myop, 1, UNOP); |
1169 | /* we already must be executing an SLF op, there is no other valid way |
1076 | myop.op_next = PL_op; |
1170 | * that can lead to creation of a new cctx */ |
1077 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
1171 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
|
|
1172 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1078 | |
1173 | |
1079 | PUSHMARK (SP); |
1174 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1080 | EXTEND (SP, 2); |
1175 | cctx_ssl_frame = slf_frame; |
1081 | PUSHs (sv_2mortal (newSViv ((IV)cctx))); |
1176 | |
1082 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
1177 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1083 | PUTBACK; |
1178 | slf_frame.check = slf_check_set_stacklevel; |
1084 | PL_op = (OP *)&myop; |
|
|
1085 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
1086 | SPAGAIN; |
|
|
1087 | } |
1179 | } |
1088 | |
1180 | |
1089 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1181 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1090 | INLINE void |
1182 | INLINE void |
1091 | transfer_tail (pTHX) |
1183 | transfer_tail (pTHX) |
1092 | { |
1184 | { |
1093 | struct coro *next = (struct coro *)transfer_next; |
|
|
1094 | assert (!(transfer_next = 0)); /* just used for the side effect when asserts are enabled */ |
|
|
1095 | assert (("FATAL: next coroutine was zero in transfer_tail (please report)", next)); |
|
|
1096 | |
|
|
1097 | free_coro_mortal (aTHX); |
1185 | free_coro_mortal (aTHX); |
1098 | UNLOCK; |
|
|
1099 | |
|
|
1100 | if (expect_false (next->throw)) |
|
|
1101 | { |
|
|
1102 | SV *exception = sv_2mortal (next->throw); |
|
|
1103 | |
|
|
1104 | next->throw = 0; |
|
|
1105 | sv_setsv (ERRSV, exception); |
|
|
1106 | croak (0); |
|
|
1107 | } |
|
|
1108 | } |
1186 | } |
1109 | |
1187 | |
1110 | /* |
1188 | /* |
1111 | * this is a _very_ stripped down perl interpreter ;) |
1189 | * this is a _very_ stripped down perl interpreter ;) |
1112 | */ |
1190 | */ |
… | |
… | |
1124 | /* normally we would need to skip the entersub here */ |
1202 | /* normally we would need to skip the entersub here */ |
1125 | /* not doing so will re-execute it, which is exactly what we want */ |
1203 | /* not doing so will re-execute it, which is exactly what we want */ |
1126 | /* PL_nop = PL_nop->op_next */ |
1204 | /* PL_nop = PL_nop->op_next */ |
1127 | |
1205 | |
1128 | /* inject a fake subroutine call to cctx_init */ |
1206 | /* inject a fake subroutine call to cctx_init */ |
1129 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1207 | cctx_prepare (aTHX); |
1130 | |
1208 | |
1131 | /* cctx_run is the alternative tail of transfer() */ |
1209 | /* cctx_run is the alternative tail of transfer() */ |
1132 | /* TODO: throwing an exception here might be deadly, VERIFY */ |
|
|
1133 | transfer_tail (aTHX); |
1210 | transfer_tail (aTHX); |
1134 | |
1211 | |
1135 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1212 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1136 | PL_restartop = PL_op; |
1213 | PL_restartop = PL_op; |
1137 | perl_run (PL_curinterp); |
1214 | perl_run (PL_curinterp); |
|
|
1215 | /* |
|
|
1216 | * Unfortunately, there is no way to get at the return values of the |
|
|
1217 | * coro body here, as perl_run destroys these |
|
|
1218 | */ |
1138 | |
1219 | |
1139 | /* |
1220 | /* |
1140 | * If perl-run returns we assume exit() was being called or the coro |
1221 | * If perl-run returns we assume exit() was being called or the coro |
1141 | * fell off the end, which seems to be the only valid (non-bug) |
1222 | * fell off the end, which seems to be the only valid (non-bug) |
1142 | * reason for perl_run to return. We try to exit by jumping to the |
1223 | * reason for perl_run to return. We try to exit by jumping to the |
1143 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1224 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1144 | * coroutine as Coro has no such concept |
1225 | * coroutine as Coro has no such concept. |
|
|
1226 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1227 | * that backend are too broken to do it in a standards-compliant way. |
1145 | */ |
1228 | */ |
1146 | PL_top_env = main_top_env; |
1229 | PL_top_env = main_top_env; |
1147 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1230 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1148 | } |
1231 | } |
1149 | } |
1232 | } |
… | |
… | |
1226 | cctx_destroy (coro_cctx *cctx) |
1309 | cctx_destroy (coro_cctx *cctx) |
1227 | { |
1310 | { |
1228 | if (!cctx) |
1311 | if (!cctx) |
1229 | return; |
1312 | return; |
1230 | |
1313 | |
|
|
1314 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
|
|
1315 | |
1231 | --cctx_count; |
1316 | --cctx_count; |
1232 | coro_destroy (&cctx->cctx); |
1317 | coro_destroy (&cctx->cctx); |
1233 | |
1318 | |
1234 | /* coro_transfer creates new, empty cctx's */ |
1319 | /* coro_transfer creates new, empty cctx's */ |
1235 | if (cctx->sptr) |
1320 | if (cctx->sptr) |
… | |
… | |
1293 | /** coroutine switching *****************************************************/ |
1378 | /** coroutine switching *****************************************************/ |
1294 | |
1379 | |
1295 | static void |
1380 | static void |
1296 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1381 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1297 | { |
1382 | { |
|
|
1383 | /* TODO: throwing up here is considered harmful */ |
|
|
1384 | |
1298 | if (expect_true (prev != next)) |
1385 | if (expect_true (prev != next)) |
1299 | { |
1386 | { |
1300 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1387 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1301 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,"); |
1388 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1302 | |
1389 | |
1303 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1304 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1305 | |
|
|
1306 | if (expect_false (next->flags & CF_DESTROYED)) |
1390 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1307 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1391 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1308 | |
1392 | |
1309 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1393 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1310 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1394 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1311 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1395 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1312 | #endif |
1396 | #endif |
1313 | } |
1397 | } |
1314 | } |
1398 | } |
1315 | |
1399 | |
1316 | /* always use the TRANSFER macro */ |
1400 | /* always use the TRANSFER macro */ |
1317 | static void NOINLINE |
1401 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1318 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1402 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1319 | { |
1403 | { |
1320 | dSTACKLEVEL; |
1404 | dSTACKLEVEL; |
1321 | |
1405 | |
1322 | /* sometimes transfer is only called to set idle_sp */ |
1406 | /* sometimes transfer is only called to set idle_sp */ |
1323 | if (expect_false (!next)) |
1407 | if (expect_false (!prev)) |
1324 | { |
1408 | { |
1325 | ((coro_cctx *)prev)->idle_sp = stacklevel; |
1409 | cctx_current->idle_sp = STACKLEVEL; |
1326 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1410 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1327 | } |
1411 | } |
1328 | else if (expect_true (prev != next)) |
1412 | else if (expect_true (prev != next)) |
1329 | { |
1413 | { |
1330 | coro_cctx *prev__cctx; |
1414 | coro_cctx *cctx_prev; |
1331 | |
1415 | |
1332 | if (expect_false (prev->flags & CF_NEW)) |
1416 | if (expect_false (prev->flags & CF_NEW)) |
1333 | { |
1417 | { |
1334 | /* create a new empty/source context */ |
1418 | /* create a new empty/source context */ |
1335 | prev->cctx = cctx_new_empty (); |
|
|
1336 | prev->flags &= ~CF_NEW; |
1419 | prev->flags &= ~CF_NEW; |
1337 | prev->flags |= CF_RUNNING; |
1420 | prev->flags |= CF_RUNNING; |
1338 | } |
1421 | } |
1339 | |
1422 | |
1340 | prev->flags &= ~CF_RUNNING; |
1423 | prev->flags &= ~CF_RUNNING; |
1341 | next->flags |= CF_RUNNING; |
1424 | next->flags |= CF_RUNNING; |
1342 | |
|
|
1343 | LOCK; |
|
|
1344 | |
1425 | |
1345 | /* first get rid of the old state */ |
1426 | /* first get rid of the old state */ |
1346 | save_perl (aTHX_ prev); |
1427 | save_perl (aTHX_ prev); |
1347 | |
1428 | |
1348 | if (expect_false (next->flags & CF_NEW)) |
1429 | if (expect_false (next->flags & CF_NEW)) |
… | |
… | |
1353 | coro_setup (aTHX_ next); |
1434 | coro_setup (aTHX_ next); |
1354 | } |
1435 | } |
1355 | else |
1436 | else |
1356 | load_perl (aTHX_ next); |
1437 | load_perl (aTHX_ next); |
1357 | |
1438 | |
1358 | prev__cctx = prev->cctx; |
|
|
1359 | |
|
|
1360 | /* possibly untie and reuse the cctx */ |
1439 | /* possibly untie and reuse the cctx */ |
1361 | if (expect_true ( |
1440 | if (expect_true ( |
1362 | prev__cctx->idle_sp == stacklevel |
1441 | cctx_current->idle_sp == STACKLEVEL |
1363 | && !(prev__cctx->flags & CC_TRACE) |
1442 | && !(cctx_current->flags & CC_TRACE) |
1364 | && !force_cctx |
1443 | && !force_cctx |
1365 | )) |
1444 | )) |
1366 | { |
1445 | { |
1367 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1446 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1368 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1447 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1369 | |
1448 | |
1370 | prev->cctx = 0; |
|
|
1371 | |
|
|
1372 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1449 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1373 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1450 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1374 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1451 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1375 | if (!next->cctx) |
1452 | if (expect_true (!next->cctx)) |
1376 | next->cctx = cctx_get (aTHX); |
1453 | next->cctx = cctx_get (aTHX); |
1377 | |
1454 | |
1378 | cctx_put (prev__cctx); |
1455 | cctx_put (cctx_current); |
1379 | } |
1456 | } |
|
|
1457 | else |
|
|
1458 | prev->cctx = cctx_current; |
1380 | |
1459 | |
1381 | ++next->usecount; |
1460 | ++next->usecount; |
1382 | |
1461 | |
1383 | if (expect_true (!next->cctx)) |
1462 | cctx_prev = cctx_current; |
1384 | next->cctx = cctx_get (aTHX); |
1463 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1385 | |
1464 | |
1386 | assert (("FATAL: transfer_next already nonzero in Coro (please report)", !transfer_next)); |
1465 | next->cctx = 0; |
1387 | transfer_next = next; |
|
|
1388 | |
1466 | |
1389 | if (expect_false (prev__cctx != next->cctx)) |
1467 | if (expect_false (cctx_prev != cctx_current)) |
1390 | { |
1468 | { |
1391 | prev__cctx->top_env = PL_top_env; |
1469 | cctx_prev->top_env = PL_top_env; |
1392 | PL_top_env = next->cctx->top_env; |
1470 | PL_top_env = cctx_current->top_env; |
1393 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1471 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1394 | } |
1472 | } |
1395 | |
1473 | |
1396 | transfer_tail (aTHX); |
1474 | transfer_tail (aTHX); |
1397 | } |
1475 | } |
1398 | } |
1476 | } |
… | |
… | |
1405 | static int |
1483 | static int |
1406 | coro_state_destroy (pTHX_ struct coro *coro) |
1484 | coro_state_destroy (pTHX_ struct coro *coro) |
1407 | { |
1485 | { |
1408 | if (coro->flags & CF_DESTROYED) |
1486 | if (coro->flags & CF_DESTROYED) |
1409 | return 0; |
1487 | return 0; |
|
|
1488 | |
|
|
1489 | if (coro->on_destroy && !PL_dirty) |
|
|
1490 | coro->on_destroy (aTHX_ coro); |
1410 | |
1491 | |
1411 | coro->flags |= CF_DESTROYED; |
1492 | coro->flags |= CF_DESTROYED; |
1412 | |
1493 | |
1413 | if (coro->flags & CF_READY) |
1494 | if (coro->flags & CF_READY) |
1414 | { |
1495 | { |
1415 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1496 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1416 | /* alternative: look through all ready queues and remove the coro */ |
1497 | /* alternative: look through all ready queues and remove the coro */ |
1417 | LOCK; |
|
|
1418 | --coro_nready; |
1498 | --coro_nready; |
1419 | UNLOCK; |
|
|
1420 | } |
1499 | } |
1421 | else |
1500 | else |
1422 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1501 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1423 | |
1502 | |
1424 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1503 | if (coro->mainstack |
|
|
1504 | && coro->mainstack != main_mainstack |
|
|
1505 | && coro->slot |
|
|
1506 | && !PL_dirty) |
1425 | { |
1507 | { |
1426 | struct coro temp; |
1508 | struct coro *current = SvSTATE_current; |
1427 | |
1509 | |
1428 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
1510 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1429 | |
1511 | |
1430 | save_perl (aTHX_ &temp); |
1512 | save_perl (aTHX_ current); |
1431 | load_perl (aTHX_ coro); |
1513 | load_perl (aTHX_ coro); |
1432 | |
1514 | |
1433 | coro_destruct (aTHX_ coro); |
1515 | coro_destruct_perl (aTHX_ coro); |
1434 | |
1516 | |
1435 | load_perl (aTHX_ &temp); |
1517 | load_perl (aTHX_ current); |
1436 | |
1518 | |
1437 | coro->slot = 0; |
1519 | coro->slot = 0; |
1438 | } |
1520 | } |
1439 | |
1521 | |
1440 | cctx_destroy (coro->cctx); |
1522 | cctx_destroy (coro->cctx); |
|
|
1523 | SvREFCNT_dec (coro->startcv); |
1441 | SvREFCNT_dec (coro->args); |
1524 | SvREFCNT_dec (coro->args); |
|
|
1525 | SvREFCNT_dec (CORO_THROW); |
1442 | |
1526 | |
1443 | if (coro->next) coro->next->prev = coro->prev; |
1527 | if (coro->next) coro->next->prev = coro->prev; |
1444 | if (coro->prev) coro->prev->next = coro->next; |
1528 | if (coro->prev) coro->prev->next = coro->next; |
1445 | if (coro == coro_first) coro_first = coro->next; |
1529 | if (coro == coro_first) coro_first = coro->next; |
1446 | |
1530 | |
… | |
… | |
1500 | |
1584 | |
1501 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1585 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1502 | TRANSFER (ta, 1); |
1586 | TRANSFER (ta, 1); |
1503 | } |
1587 | } |
1504 | |
1588 | |
|
|
1589 | /*****************************************************************************/ |
|
|
1590 | /* gensub: simple closure generation utility */ |
|
|
1591 | |
|
|
1592 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1593 | |
|
|
1594 | /* create a closure from XS, returns a code reference */ |
|
|
1595 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1596 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1597 | static SV * |
|
|
1598 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1599 | { |
|
|
1600 | CV *cv = (CV *)newSV (0); |
|
|
1601 | |
|
|
1602 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1603 | |
|
|
1604 | CvANON_on (cv); |
|
|
1605 | CvISXSUB_on (cv); |
|
|
1606 | CvXSUB (cv) = xsub; |
|
|
1607 | GENSUB_ARG = arg; |
|
|
1608 | |
|
|
1609 | return newRV_noinc ((SV *)cv); |
|
|
1610 | } |
|
|
1611 | |
1505 | /** Coro ********************************************************************/ |
1612 | /** Coro ********************************************************************/ |
1506 | |
1613 | |
1507 | static void |
1614 | INLINE void |
1508 | coro_enq (pTHX_ SV *coro_sv) |
1615 | coro_enq (pTHX_ struct coro *coro) |
1509 | { |
1616 | { |
1510 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1617 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1511 | } |
1618 | } |
1512 | |
1619 | |
1513 | static SV * |
1620 | INLINE SV * |
1514 | coro_deq (pTHX) |
1621 | coro_deq (pTHX) |
1515 | { |
1622 | { |
1516 | int prio; |
1623 | int prio; |
1517 | |
1624 | |
1518 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1625 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1527 | { |
1634 | { |
1528 | struct coro *coro; |
1635 | struct coro *coro; |
1529 | SV *sv_hook; |
1636 | SV *sv_hook; |
1530 | void (*xs_hook)(void); |
1637 | void (*xs_hook)(void); |
1531 | |
1638 | |
1532 | if (SvROK (coro_sv)) |
|
|
1533 | coro_sv = SvRV (coro_sv); |
|
|
1534 | |
|
|
1535 | coro = SvSTATE (coro_sv); |
1639 | coro = SvSTATE (coro_sv); |
1536 | |
1640 | |
1537 | if (coro->flags & CF_READY) |
1641 | if (coro->flags & CF_READY) |
1538 | return 0; |
1642 | return 0; |
1539 | |
1643 | |
1540 | coro->flags |= CF_READY; |
1644 | coro->flags |= CF_READY; |
1541 | |
1645 | |
1542 | LOCK; |
|
|
1543 | |
|
|
1544 | sv_hook = coro_nready ? 0 : coro_readyhook; |
1646 | sv_hook = coro_nready ? 0 : coro_readyhook; |
1545 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
1647 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
1546 | |
1648 | |
1547 | coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv)); |
1649 | coro_enq (aTHX_ coro); |
1548 | ++coro_nready; |
1650 | ++coro_nready; |
1549 | |
1651 | |
1550 | UNLOCK; |
|
|
1551 | |
|
|
1552 | if (sv_hook) |
1652 | if (sv_hook) |
1553 | { |
1653 | { |
1554 | dSP; |
1654 | dSP; |
1555 | |
1655 | |
1556 | ENTER; |
1656 | ENTER; |
1557 | SAVETMPS; |
1657 | SAVETMPS; |
1558 | |
1658 | |
1559 | PUSHMARK (SP); |
1659 | PUSHMARK (SP); |
1560 | PUTBACK; |
1660 | PUTBACK; |
1561 | call_sv (sv_hook, G_DISCARD); |
1661 | call_sv (sv_hook, G_VOID | G_DISCARD); |
1562 | SPAGAIN; |
|
|
1563 | |
1662 | |
1564 | FREETMPS; |
1663 | FREETMPS; |
1565 | LEAVE; |
1664 | LEAVE; |
1566 | } |
1665 | } |
1567 | |
1666 | |
… | |
… | |
1575 | api_is_ready (pTHX_ SV *coro_sv) |
1674 | api_is_ready (pTHX_ SV *coro_sv) |
1576 | { |
1675 | { |
1577 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1676 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1578 | } |
1677 | } |
1579 | |
1678 | |
|
|
1679 | /* expects to own a reference to next->hv */ |
1580 | INLINE void |
1680 | INLINE void |
1581 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1681 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1582 | { |
1682 | { |
1583 | SV *prev_sv, *next_sv; |
|
|
1584 | |
|
|
1585 | for (;;) |
|
|
1586 | { |
|
|
1587 | LOCK; |
|
|
1588 | next_sv = coro_deq (aTHX); |
|
|
1589 | |
|
|
1590 | /* nothing to schedule: call the idle handler */ |
|
|
1591 | if (expect_false (!next_sv)) |
|
|
1592 | { |
|
|
1593 | dSP; |
|
|
1594 | UNLOCK; |
|
|
1595 | |
|
|
1596 | ENTER; |
|
|
1597 | SAVETMPS; |
|
|
1598 | |
|
|
1599 | PUSHMARK (SP); |
|
|
1600 | PUTBACK; |
|
|
1601 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
|
|
1602 | SPAGAIN; |
|
|
1603 | |
|
|
1604 | FREETMPS; |
|
|
1605 | LEAVE; |
|
|
1606 | continue; |
|
|
1607 | } |
|
|
1608 | |
|
|
1609 | ta->next = SvSTATE (next_sv); |
|
|
1610 | |
|
|
1611 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1612 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
|
|
1613 | { |
|
|
1614 | UNLOCK; |
|
|
1615 | SvREFCNT_dec (next_sv); |
|
|
1616 | /* coro_nready has already been taken care of by destroy */ |
|
|
1617 | continue; |
|
|
1618 | } |
|
|
1619 | |
|
|
1620 | --coro_nready; |
|
|
1621 | UNLOCK; |
|
|
1622 | break; |
|
|
1623 | } |
|
|
1624 | |
|
|
1625 | /* free this only after the transfer */ |
|
|
1626 | prev_sv = SvRV (coro_current); |
1683 | SV *prev_sv = SvRV (coro_current); |
|
|
1684 | |
1627 | ta->prev = SvSTATE (prev_sv); |
1685 | ta->prev = SvSTATE_hv (prev_sv); |
|
|
1686 | ta->next = next; |
|
|
1687 | |
1628 | TRANSFER_CHECK (*ta); |
1688 | TRANSFER_CHECK (*ta); |
1629 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
1689 | |
1630 | ta->next->flags &= ~CF_READY; |
|
|
1631 | SvRV_set (coro_current, next_sv); |
1690 | SvRV_set (coro_current, (SV *)next->hv); |
1632 | |
1691 | |
1633 | LOCK; |
|
|
1634 | free_coro_mortal (aTHX); |
1692 | free_coro_mortal (aTHX); |
1635 | coro_mortal = prev_sv; |
1693 | coro_mortal = prev_sv; |
1636 | UNLOCK; |
1694 | } |
|
|
1695 | |
|
|
1696 | static void |
|
|
1697 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
|
|
1698 | { |
|
|
1699 | for (;;) |
|
|
1700 | { |
|
|
1701 | SV *next_sv = coro_deq (aTHX); |
|
|
1702 | |
|
|
1703 | if (expect_true (next_sv)) |
|
|
1704 | { |
|
|
1705 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1706 | |
|
|
1707 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1708 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
|
|
1709 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
|
|
1710 | else |
|
|
1711 | { |
|
|
1712 | next->flags &= ~CF_READY; |
|
|
1713 | --coro_nready; |
|
|
1714 | |
|
|
1715 | prepare_schedule_to (aTHX_ ta, next); |
|
|
1716 | break; |
|
|
1717 | } |
|
|
1718 | } |
|
|
1719 | else |
|
|
1720 | { |
|
|
1721 | /* nothing to schedule: call the idle handler */ |
|
|
1722 | if (SvROK (sv_idle) |
|
|
1723 | && SvOBJECT (SvRV (sv_idle))) |
|
|
1724 | { |
|
|
1725 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
|
|
1726 | api_ready (aTHX_ SvRV (sv_idle)); |
|
|
1727 | --coro_nready; |
|
|
1728 | } |
|
|
1729 | else |
|
|
1730 | { |
|
|
1731 | dSP; |
|
|
1732 | |
|
|
1733 | ENTER; |
|
|
1734 | SAVETMPS; |
|
|
1735 | |
|
|
1736 | PUSHMARK (SP); |
|
|
1737 | PUTBACK; |
|
|
1738 | call_sv (sv_idle, G_VOID | G_DISCARD); |
|
|
1739 | |
|
|
1740 | FREETMPS; |
|
|
1741 | LEAVE; |
|
|
1742 | } |
|
|
1743 | } |
|
|
1744 | } |
1637 | } |
1745 | } |
1638 | |
1746 | |
1639 | INLINE void |
1747 | INLINE void |
1640 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1748 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1641 | { |
1749 | { |
… | |
… | |
1662 | { |
1770 | { |
1663 | struct coro_transfer_args ta; |
1771 | struct coro_transfer_args ta; |
1664 | |
1772 | |
1665 | prepare_schedule (aTHX_ &ta); |
1773 | prepare_schedule (aTHX_ &ta); |
1666 | TRANSFER (ta, 1); |
1774 | TRANSFER (ta, 1); |
|
|
1775 | } |
|
|
1776 | |
|
|
1777 | static void |
|
|
1778 | api_schedule_to (pTHX_ SV *coro_sv) |
|
|
1779 | { |
|
|
1780 | struct coro_transfer_args ta; |
|
|
1781 | struct coro *next = SvSTATE (coro_sv); |
|
|
1782 | |
|
|
1783 | SvREFCNT_inc_NN (coro_sv); |
|
|
1784 | prepare_schedule_to (aTHX_ &ta, next); |
1667 | } |
1785 | } |
1668 | |
1786 | |
1669 | static int |
1787 | static int |
1670 | api_cede (pTHX) |
1788 | api_cede (pTHX) |
1671 | { |
1789 | { |
… | |
… | |
1700 | static void |
1818 | static void |
1701 | api_trace (pTHX_ SV *coro_sv, int flags) |
1819 | api_trace (pTHX_ SV *coro_sv, int flags) |
1702 | { |
1820 | { |
1703 | struct coro *coro = SvSTATE (coro_sv); |
1821 | struct coro *coro = SvSTATE (coro_sv); |
1704 | |
1822 | |
|
|
1823 | if (coro->flags & CF_RUNNING) |
|
|
1824 | croak ("cannot enable tracing on a running coroutine, caught"); |
|
|
1825 | |
1705 | if (flags & CC_TRACE) |
1826 | if (flags & CC_TRACE) |
1706 | { |
1827 | { |
1707 | if (!coro->cctx) |
1828 | if (!coro->cctx) |
1708 | coro->cctx = cctx_new_run (); |
1829 | coro->cctx = cctx_new_run (); |
1709 | else if (!(coro->cctx->flags & CC_TRACE)) |
1830 | else if (!(coro->cctx->flags & CC_TRACE)) |
1710 | croak ("cannot enable tracing on coroutine with custom stack,"); |
1831 | croak ("cannot enable tracing on coroutine with custom stack, caught"); |
1711 | |
1832 | |
1712 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1833 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1713 | } |
1834 | } |
1714 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1835 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1715 | { |
1836 | { |
… | |
… | |
1720 | else |
1841 | else |
1721 | coro->slot->runops = RUNOPS_DEFAULT; |
1842 | coro->slot->runops = RUNOPS_DEFAULT; |
1722 | } |
1843 | } |
1723 | } |
1844 | } |
1724 | |
1845 | |
1725 | #if 0 |
1846 | static void |
|
|
1847 | coro_call_on_destroy (pTHX_ struct coro *coro) |
|
|
1848 | { |
|
|
1849 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
|
|
1850 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1851 | |
|
|
1852 | if (on_destroyp) |
|
|
1853 | { |
|
|
1854 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1855 | |
|
|
1856 | while (AvFILLp (on_destroy) >= 0) |
|
|
1857 | { |
|
|
1858 | dSP; /* don't disturb outer sp */ |
|
|
1859 | SV *cb = av_pop (on_destroy); |
|
|
1860 | |
|
|
1861 | PUSHMARK (SP); |
|
|
1862 | |
|
|
1863 | if (statusp) |
|
|
1864 | { |
|
|
1865 | int i; |
|
|
1866 | AV *status = (AV *)SvRV (*statusp); |
|
|
1867 | EXTEND (SP, AvFILLp (status) + 1); |
|
|
1868 | |
|
|
1869 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1870 | PUSHs (AvARRAY (status)[i]); |
|
|
1871 | } |
|
|
1872 | |
|
|
1873 | PUTBACK; |
|
|
1874 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
|
|
1875 | } |
|
|
1876 | } |
|
|
1877 | } |
|
|
1878 | |
|
|
1879 | static void |
|
|
1880 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1881 | { |
|
|
1882 | int i; |
|
|
1883 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1884 | AV *av = newAV (); |
|
|
1885 | |
|
|
1886 | av_extend (av, items - 1); |
|
|
1887 | for (i = 0; i < items; ++i) |
|
|
1888 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
1889 | |
|
|
1890 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
1891 | |
|
|
1892 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
|
|
1893 | api_ready (aTHX_ sv_manager); |
|
|
1894 | |
|
|
1895 | frame->prepare = prepare_schedule; |
|
|
1896 | frame->check = slf_check_repeat; |
|
|
1897 | |
|
|
1898 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
1899 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
1900 | /*coro_unwind_stacks (aTHX);*/ |
|
|
1901 | } |
|
|
1902 | |
|
|
1903 | /*****************************************************************************/ |
|
|
1904 | /* async pool handler */ |
|
|
1905 | |
1726 | static int |
1906 | static int |
1727 | coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) |
1907 | slf_check_pool_handler (pTHX_ struct CoroSLF *frame) |
1728 | { |
1908 | { |
1729 | AV *padlist; |
1909 | HV *hv = (HV *)SvRV (coro_current); |
1730 | AV *av = (AV *)mg->mg_obj; |
1910 | struct coro *coro = (struct coro *)frame->data; |
1731 | |
1911 | |
1732 | abort (); |
1912 | if (!coro->invoke_cb) |
|
|
1913 | return 1; /* loop till we have invoke */ |
|
|
1914 | else |
|
|
1915 | { |
|
|
1916 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
1917 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
1918 | |
|
|
1919 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
1920 | |
|
|
1921 | { |
|
|
1922 | dSP; |
|
|
1923 | XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0; |
|
|
1924 | PUTBACK; |
|
|
1925 | } |
|
|
1926 | |
|
|
1927 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
1928 | GvAV (PL_defgv) = coro->invoke_av; |
|
|
1929 | coro->invoke_av = 0; |
|
|
1930 | |
|
|
1931 | return 0; |
|
|
1932 | } |
|
|
1933 | } |
|
|
1934 | |
|
|
1935 | static void |
|
|
1936 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1937 | { |
|
|
1938 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1939 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
1940 | |
|
|
1941 | if (expect_true (coro->saved_deffh)) |
|
|
1942 | { |
|
|
1943 | /* subsequent iteration */ |
|
|
1944 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
1945 | coro->saved_deffh = 0; |
|
|
1946 | |
|
|
1947 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
1948 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1949 | { |
|
|
1950 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
|
|
1951 | coro->invoke_av = newAV (); |
|
|
1952 | |
|
|
1953 | frame->prepare = prepare_nop; |
|
|
1954 | } |
|
|
1955 | else |
|
|
1956 | { |
|
|
1957 | av_clear (GvAV (PL_defgv)); |
|
|
1958 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
|
|
1959 | |
|
|
1960 | coro->prio = 0; |
|
|
1961 | |
|
|
1962 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
1963 | api_trace (aTHX_ coro_current, 0); |
|
|
1964 | |
|
|
1965 | frame->prepare = prepare_schedule; |
|
|
1966 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
|
|
1967 | } |
|
|
1968 | } |
|
|
1969 | else |
|
|
1970 | { |
|
|
1971 | /* first iteration, simply fall through */ |
|
|
1972 | frame->prepare = prepare_nop; |
|
|
1973 | } |
|
|
1974 | |
|
|
1975 | frame->check = slf_check_pool_handler; |
|
|
1976 | frame->data = (void *)coro; |
|
|
1977 | } |
|
|
1978 | |
|
|
1979 | /*****************************************************************************/ |
|
|
1980 | /* rouse callback */ |
|
|
1981 | |
|
|
1982 | #define CORO_MAGIC_type_rouse PERL_MAGIC_ext |
|
|
1983 | |
|
|
1984 | static void |
|
|
1985 | coro_rouse_callback (pTHX_ CV *cv) |
|
|
1986 | { |
|
|
1987 | dXSARGS; |
|
|
1988 | SV *data = (SV *)GENSUB_ARG; |
|
|
1989 | |
|
|
1990 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
1991 | { |
|
|
1992 | /* first call, set args */ |
|
|
1993 | AV *av = newAV (); |
|
|
1994 | SV *coro = SvRV (data); |
|
|
1995 | |
|
|
1996 | SvRV_set (data, (SV *)av); |
|
|
1997 | api_ready (aTHX_ coro); |
|
|
1998 | SvREFCNT_dec (coro); |
|
|
1999 | |
|
|
2000 | /* better take a full copy of the arguments */ |
|
|
2001 | while (items--) |
|
|
2002 | av_store (av, items, newSVsv (ST (items))); |
|
|
2003 | } |
|
|
2004 | |
|
|
2005 | XSRETURN_EMPTY; |
|
|
2006 | } |
|
|
2007 | |
|
|
2008 | static int |
|
|
2009 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
|
|
2010 | { |
|
|
2011 | SV *data = (SV *)frame->data; |
|
|
2012 | |
|
|
2013 | if (CORO_THROW) |
|
|
2014 | return 0; |
|
|
2015 | |
|
|
2016 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
2017 | return 1; |
|
|
2018 | |
|
|
2019 | /* now push all results on the stack */ |
|
|
2020 | { |
|
|
2021 | dSP; |
|
|
2022 | AV *av = (AV *)SvRV (data); |
|
|
2023 | int i; |
|
|
2024 | |
|
|
2025 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2026 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2027 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
|
|
2028 | |
|
|
2029 | /* we have stolen the elements, so ste length to zero and free */ |
|
|
2030 | AvFILLp (av) = -1; |
|
|
2031 | av_undef (av); |
|
|
2032 | |
|
|
2033 | PUTBACK; |
|
|
2034 | } |
1733 | |
2035 | |
1734 | return 0; |
2036 | return 0; |
1735 | } |
2037 | } |
1736 | |
2038 | |
1737 | static MGVTBL coro_gensub_vtbl = { |
2039 | static void |
1738 | 0, 0, 0, 0, |
2040 | slf_init_rouse_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1739 | coro_gensub_free |
2041 | { |
1740 | }; |
2042 | SV *cb; |
1741 | #endif |
2043 | |
|
|
2044 | if (items) |
|
|
2045 | cb = arg [0]; |
|
|
2046 | else |
|
|
2047 | { |
|
|
2048 | struct coro *coro = SvSTATE_current; |
|
|
2049 | |
|
|
2050 | if (!coro->rouse_cb) |
|
|
2051 | croak ("Coro::rouse_wait called without rouse callback, and no default rouse callback found either,"); |
|
|
2052 | |
|
|
2053 | cb = sv_2mortal (coro->rouse_cb); |
|
|
2054 | coro->rouse_cb = 0; |
|
|
2055 | } |
|
|
2056 | |
|
|
2057 | if (!SvROK (cb) |
|
|
2058 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
|
|
2059 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
|
|
2060 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
|
|
2061 | |
|
|
2062 | { |
|
|
2063 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
|
|
2064 | SV *data = (SV *)GENSUB_ARG; |
|
|
2065 | |
|
|
2066 | frame->data = (void *)data; |
|
|
2067 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
|
|
2068 | frame->check = slf_check_rouse_wait; |
|
|
2069 | } |
|
|
2070 | } |
|
|
2071 | |
|
|
2072 | static SV * |
|
|
2073 | coro_new_rouse_cb (pTHX) |
|
|
2074 | { |
|
|
2075 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2076 | struct coro *coro = SvSTATE_hv (hv); |
|
|
2077 | SV *data = newRV_inc ((SV *)hv); |
|
|
2078 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
|
|
2079 | |
|
|
2080 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
|
|
2081 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
|
|
2082 | |
|
|
2083 | SvREFCNT_dec (coro->rouse_cb); |
|
|
2084 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
|
|
2085 | |
|
|
2086 | return cb; |
|
|
2087 | } |
|
|
2088 | |
|
|
2089 | /*****************************************************************************/ |
|
|
2090 | /* schedule-like-function opcode (SLF) */ |
|
|
2091 | |
|
|
2092 | static UNOP slf_restore; /* restore stack as entersub did, for first-re-run */ |
|
|
2093 | static const CV *slf_cv; |
|
|
2094 | static SV **slf_argv; |
|
|
2095 | static int slf_argc, slf_arga; /* count, allocated */ |
|
|
2096 | static I32 slf_ax; /* top of stack, for restore */ |
|
|
2097 | |
|
|
2098 | /* this restores the stack in the case we patched the entersub, to */ |
|
|
2099 | /* recreate the stack frame as perl will on following calls */ |
|
|
2100 | /* since entersub cleared the stack */ |
|
|
2101 | static OP * |
|
|
2102 | pp_restore (pTHX) |
|
|
2103 | { |
|
|
2104 | int i; |
|
|
2105 | SV **SP = PL_stack_base + slf_ax; |
|
|
2106 | |
|
|
2107 | PUSHMARK (SP); |
|
|
2108 | |
|
|
2109 | EXTEND (SP, slf_argc + 1); |
|
|
2110 | |
|
|
2111 | for (i = 0; i < slf_argc; ++i) |
|
|
2112 | PUSHs (sv_2mortal (slf_argv [i])); |
|
|
2113 | |
|
|
2114 | PUSHs ((SV *)CvGV (slf_cv)); |
|
|
2115 | |
|
|
2116 | RETURNOP (slf_restore.op_first); |
|
|
2117 | } |
|
|
2118 | |
|
|
2119 | static void |
|
|
2120 | slf_prepare_transfer (pTHX_ struct coro_transfer_args *ta) |
|
|
2121 | { |
|
|
2122 | SV **arg = (SV **)slf_frame.data; |
|
|
2123 | |
|
|
2124 | prepare_transfer (aTHX_ ta, arg [0], arg [1]); |
|
|
2125 | } |
|
|
2126 | |
|
|
2127 | static void |
|
|
2128 | slf_init_transfer (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2129 | { |
|
|
2130 | if (items != 2) |
|
|
2131 | croak ("Coro::State::transfer (prev, next) expects two arguments, not %d,", items); |
|
|
2132 | |
|
|
2133 | frame->prepare = slf_prepare_transfer; |
|
|
2134 | frame->check = slf_check_nop; |
|
|
2135 | frame->data = (void *)arg; /* let's hope it will stay valid */ |
|
|
2136 | } |
|
|
2137 | |
|
|
2138 | static void |
|
|
2139 | slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2140 | { |
|
|
2141 | frame->prepare = prepare_schedule; |
|
|
2142 | frame->check = slf_check_nop; |
|
|
2143 | } |
|
|
2144 | |
|
|
2145 | static void |
|
|
2146 | slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta) |
|
|
2147 | { |
|
|
2148 | struct coro *next = (struct coro *)slf_frame.data; |
|
|
2149 | |
|
|
2150 | SvREFCNT_inc_NN (next->hv); |
|
|
2151 | prepare_schedule_to (aTHX_ ta, next); |
|
|
2152 | } |
|
|
2153 | |
|
|
2154 | static void |
|
|
2155 | slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2156 | { |
|
|
2157 | if (!items) |
|
|
2158 | croak ("Coro::schedule_to expects a coroutine argument, caught"); |
|
|
2159 | |
|
|
2160 | frame->data = (void *)SvSTATE (arg [0]); |
|
|
2161 | frame->prepare = slf_prepare_schedule_to; |
|
|
2162 | frame->check = slf_check_nop; |
|
|
2163 | } |
|
|
2164 | |
|
|
2165 | static void |
|
|
2166 | slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2167 | { |
|
|
2168 | api_ready (aTHX_ SvRV (coro_current)); |
|
|
2169 | |
|
|
2170 | slf_init_schedule_to (aTHX_ frame, cv, arg, items); |
|
|
2171 | } |
|
|
2172 | |
|
|
2173 | static void |
|
|
2174 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2175 | { |
|
|
2176 | frame->prepare = prepare_cede; |
|
|
2177 | frame->check = slf_check_nop; |
|
|
2178 | } |
|
|
2179 | |
|
|
2180 | static void |
|
|
2181 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2182 | { |
|
|
2183 | frame->prepare = prepare_cede_notself; |
|
|
2184 | frame->check = slf_check_nop; |
|
|
2185 | } |
|
|
2186 | |
|
|
2187 | /* |
|
|
2188 | * these not obviously related functions are all rolled into one |
|
|
2189 | * function to increase chances that they all will call transfer with the same |
|
|
2190 | * stack offset |
|
|
2191 | * SLF stands for "schedule-like-function". |
|
|
2192 | */ |
|
|
2193 | static OP * |
|
|
2194 | pp_slf (pTHX) |
|
|
2195 | { |
|
|
2196 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
|
|
2197 | |
|
|
2198 | /* set up the slf frame, unless it has already been set-up */ |
|
|
2199 | /* the latter happens when a new coro has been started */ |
|
|
2200 | /* or when a new cctx was attached to an existing coroutine */ |
|
|
2201 | if (expect_true (!slf_frame.prepare)) |
|
|
2202 | { |
|
|
2203 | /* first iteration */ |
|
|
2204 | dSP; |
|
|
2205 | SV **arg = PL_stack_base + TOPMARK + 1; |
|
|
2206 | int items = SP - arg; /* args without function object */ |
|
|
2207 | SV *gv = *sp; |
|
|
2208 | |
|
|
2209 | /* do a quick consistency check on the "function" object, and if it isn't */ |
|
|
2210 | /* for us, divert to the real entersub */ |
|
|
2211 | if (SvTYPE (gv) != SVt_PVGV |
|
|
2212 | || !GvCV (gv) |
|
|
2213 | || !(CvFLAGS (GvCV (gv)) & CVf_SLF)) |
|
|
2214 | return PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
2215 | |
|
|
2216 | if (!(PL_op->op_flags & OPf_STACKED)) |
|
|
2217 | { |
|
|
2218 | /* ampersand-form of call, use @_ instead of stack */ |
|
|
2219 | AV *av = GvAV (PL_defgv); |
|
|
2220 | arg = AvARRAY (av); |
|
|
2221 | items = AvFILLp (av) + 1; |
|
|
2222 | } |
|
|
2223 | |
|
|
2224 | /* now call the init function, which needs to set up slf_frame */ |
|
|
2225 | ((coro_slf_cb)CvXSUBANY (GvCV (gv)).any_ptr) |
|
|
2226 | (aTHX_ &slf_frame, GvCV (gv), arg, items); |
|
|
2227 | |
|
|
2228 | /* pop args */ |
|
|
2229 | SP = PL_stack_base + POPMARK; |
|
|
2230 | |
|
|
2231 | PUTBACK; |
|
|
2232 | } |
|
|
2233 | |
|
|
2234 | /* now that we have a slf_frame, interpret it! */ |
|
|
2235 | /* we use a callback system not to make the code needlessly */ |
|
|
2236 | /* complicated, but so we can run multiple perl coros from one cctx */ |
|
|
2237 | |
|
|
2238 | do |
|
|
2239 | { |
|
|
2240 | struct coro_transfer_args ta; |
|
|
2241 | |
|
|
2242 | slf_frame.prepare (aTHX_ &ta); |
|
|
2243 | TRANSFER (ta, 0); |
|
|
2244 | |
|
|
2245 | checkmark = PL_stack_sp - PL_stack_base; |
|
|
2246 | } |
|
|
2247 | while (slf_frame.check (aTHX_ &slf_frame)); |
|
|
2248 | |
|
|
2249 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
|
|
2250 | |
|
|
2251 | /* exception handling */ |
|
|
2252 | if (expect_false (CORO_THROW)) |
|
|
2253 | { |
|
|
2254 | SV *exception = sv_2mortal (CORO_THROW); |
|
|
2255 | |
|
|
2256 | CORO_THROW = 0; |
|
|
2257 | sv_setsv (ERRSV, exception); |
|
|
2258 | croak (0); |
|
|
2259 | } |
|
|
2260 | |
|
|
2261 | /* return value handling - mostly like entersub */ |
|
|
2262 | /* make sure we put something on the stack in scalar context */ |
|
|
2263 | if (GIMME_V == G_SCALAR) |
|
|
2264 | { |
|
|
2265 | dSP; |
|
|
2266 | SV **bot = PL_stack_base + checkmark; |
|
|
2267 | |
|
|
2268 | if (sp == bot) /* too few, push undef */ |
|
|
2269 | bot [1] = &PL_sv_undef; |
|
|
2270 | else if (sp != bot + 1) /* too many, take last one */ |
|
|
2271 | bot [1] = *sp; |
|
|
2272 | |
|
|
2273 | SP = bot + 1; |
|
|
2274 | |
|
|
2275 | PUTBACK; |
|
|
2276 | } |
|
|
2277 | |
|
|
2278 | return NORMAL; |
|
|
2279 | } |
|
|
2280 | |
|
|
2281 | static void |
|
|
2282 | api_execute_slf (pTHX_ CV *cv, coro_slf_cb init_cb, I32 ax) |
|
|
2283 | { |
|
|
2284 | int i; |
|
|
2285 | SV **arg = PL_stack_base + ax; |
|
|
2286 | int items = PL_stack_sp - arg + 1; |
|
|
2287 | |
|
|
2288 | assert (("FATAL: SLF call with illegal CV value", !CvANON (cv))); |
|
|
2289 | |
|
|
2290 | if (PL_op->op_ppaddr != PL_ppaddr [OP_ENTERSUB] |
|
|
2291 | && PL_op->op_ppaddr != pp_slf) |
|
|
2292 | croak ("FATAL: Coro SLF calls can only be made normally, not via goto or any other means, caught"); |
|
|
2293 | |
|
|
2294 | CvFLAGS (cv) |= CVf_SLF; |
|
|
2295 | CvXSUBANY (cv).any_ptr = (void *)init_cb; |
|
|
2296 | slf_cv = cv; |
|
|
2297 | |
|
|
2298 | /* we patch the op, and then re-run the whole call */ |
|
|
2299 | /* we have to put the same argument on the stack for this to work */ |
|
|
2300 | /* and this will be done by pp_restore */ |
|
|
2301 | slf_restore.op_next = (OP *)&slf_restore; |
|
|
2302 | slf_restore.op_type = OP_CUSTOM; |
|
|
2303 | slf_restore.op_ppaddr = pp_restore; |
|
|
2304 | slf_restore.op_first = PL_op; |
|
|
2305 | |
|
|
2306 | slf_ax = ax - 1; /* undo the ax++ inside dAXMARK */ |
|
|
2307 | |
|
|
2308 | if (PL_op->op_flags & OPf_STACKED) |
|
|
2309 | { |
|
|
2310 | if (items > slf_arga) |
|
|
2311 | { |
|
|
2312 | slf_arga = items; |
|
|
2313 | free (slf_argv); |
|
|
2314 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
|
|
2315 | } |
|
|
2316 | |
|
|
2317 | slf_argc = items; |
|
|
2318 | |
|
|
2319 | for (i = 0; i < items; ++i) |
|
|
2320 | slf_argv [i] = SvREFCNT_inc (arg [i]); |
|
|
2321 | } |
|
|
2322 | else |
|
|
2323 | slf_argc = 0; |
|
|
2324 | |
|
|
2325 | PL_op->op_ppaddr = pp_slf; |
|
|
2326 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
|
|
2327 | |
|
|
2328 | PL_op = (OP *)&slf_restore; |
|
|
2329 | } |
|
|
2330 | |
|
|
2331 | /*****************************************************************************/ |
|
|
2332 | /* dynamic wind */ |
|
|
2333 | |
|
|
2334 | static void |
|
|
2335 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2336 | { |
|
|
2337 | dSP; |
|
|
2338 | |
|
|
2339 | PUSHSTACK; |
|
|
2340 | |
|
|
2341 | PUSHMARK (SP); |
|
|
2342 | PUTBACK; |
|
|
2343 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2344 | SPAGAIN; |
|
|
2345 | |
|
|
2346 | POPSTACK; |
|
|
2347 | } |
|
|
2348 | |
|
|
2349 | static SV * |
|
|
2350 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2351 | { |
|
|
2352 | AV *av = *avp; |
|
|
2353 | SV *res = av_pop (av); |
|
|
2354 | |
|
|
2355 | if (AvFILLp (av) < 0) |
|
|
2356 | { |
|
|
2357 | *avp = 0; |
|
|
2358 | SvREFCNT_dec (av); |
|
|
2359 | } |
|
|
2360 | |
|
|
2361 | return res; |
|
|
2362 | } |
|
|
2363 | |
|
|
2364 | static void |
|
|
2365 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2366 | { |
|
|
2367 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2368 | SvREFCNT_dec (cb); |
|
|
2369 | } |
|
|
2370 | |
|
|
2371 | static void |
|
|
2372 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2373 | { |
|
|
2374 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2375 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
|
|
2376 | } |
1742 | |
2377 | |
1743 | /*****************************************************************************/ |
2378 | /*****************************************************************************/ |
1744 | /* PerlIO::cede */ |
2379 | /* PerlIO::cede */ |
1745 | |
2380 | |
1746 | typedef struct |
2381 | typedef struct |
… | |
… | |
1814 | PerlIOBuf_get_cnt, |
2449 | PerlIOBuf_get_cnt, |
1815 | PerlIOBuf_set_ptrcnt, |
2450 | PerlIOBuf_set_ptrcnt, |
1816 | }; |
2451 | }; |
1817 | |
2452 | |
1818 | /*****************************************************************************/ |
2453 | /*****************************************************************************/ |
|
|
2454 | /* Coro::Semaphore & Coro::Signal */ |
1819 | |
2455 | |
1820 | static const CV *slf_cv; /* for quick consistency check */ |
|
|
1821 | |
|
|
1822 | static UNOP slf_restore; /* restore stack as entersub did, for first-re-run */ |
|
|
1823 | static SV *slf_arg0; |
|
|
1824 | static SV *slf_arg1; |
|
|
1825 | static SV *slf_arg2; |
|
|
1826 | |
|
|
1827 | /* this restores the stack in the case we patched the entersub, to */ |
|
|
1828 | /* recreate the stack frame as perl will on following calls */ |
|
|
1829 | /* since entersub cleared the stack */ |
|
|
1830 | static OP * |
2456 | static SV * |
1831 | pp_restore (pTHX) |
2457 | coro_waitarray_new (pTHX_ int count) |
1832 | { |
2458 | { |
1833 | dSP; |
2459 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
|
|
2460 | AV *av = newAV (); |
|
|
2461 | SV **ary; |
1834 | |
2462 | |
1835 | PUSHMARK (SP); |
2463 | /* unfortunately, building manually saves memory */ |
|
|
2464 | Newx (ary, 2, SV *); |
|
|
2465 | AvALLOC (av) = ary; |
|
|
2466 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
2467 | AvARRAY (av) = ary; |
|
|
2468 | #else |
|
|
2469 | /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */ |
|
|
2470 | /* -DDEBUGGING flags this as a bug, despite it perfectly working */ |
|
|
2471 | SvPVX ((SV *)av) = (char *)ary; |
|
|
2472 | #endif |
|
|
2473 | AvMAX (av) = 1; |
|
|
2474 | AvFILLp (av) = 0; |
|
|
2475 | ary [0] = newSViv (count); |
1836 | |
2476 | |
1837 | EXTEND (SP, 3); |
2477 | return newRV_noinc ((SV *)av); |
1838 | if (slf_arg0) PUSHs (sv_2mortal (slf_arg0)); |
|
|
1839 | if (slf_arg1) PUSHs (sv_2mortal (slf_arg1)); |
|
|
1840 | if (slf_arg2) PUSHs (sv_2mortal (slf_arg2)); |
|
|
1841 | PUSHs ((SV *)CvGV (slf_cv)); |
|
|
1842 | |
|
|
1843 | RETURNOP (slf_restore.op_first); |
|
|
1844 | } |
2478 | } |
1845 | |
2479 | |
1846 | static void |
2480 | /* semaphore */ |
1847 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
|
|
1848 | { |
|
|
1849 | prepare_set_stacklevel (ta, (struct coro_cctx *)slf_frame.data); |
|
|
1850 | } |
|
|
1851 | |
2481 | |
1852 | static void |
2482 | static void |
1853 | slf_init_set_stacklevel (pTHX_ struct CoroSLF *frame, SV **arg, int items) |
2483 | coro_semaphore_adjust (pTHX_ AV *av, IV adjust) |
1854 | { |
2484 | { |
1855 | assert (("FATAL: set_stacklevel needs the coro cctx as sole argument", items == 1)); |
2485 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2486 | IV count = SvIVX (count_sv); |
1856 | |
2487 | |
1857 | frame->prepare = slf_prepare_set_stacklevel; |
2488 | count += adjust; |
1858 | frame->check = slf_check_nop; |
2489 | SvIVX (count_sv) = count; |
1859 | frame->data = (void *)SvIV (arg [0]); |
|
|
1860 | } |
|
|
1861 | |
2490 | |
1862 | static void |
2491 | /* now wake up as many waiters as are expected to lock */ |
1863 | slf_prepare_transfer (pTHX_ struct coro_transfer_args *ta) |
2492 | while (count > 0 && AvFILLp (av) > 0) |
1864 | { |
|
|
1865 | SV **arg = (SV **)slf_frame.data; |
|
|
1866 | |
|
|
1867 | prepare_transfer (ta, arg [0], arg [1]); |
|
|
1868 | } |
|
|
1869 | |
|
|
1870 | static void |
|
|
1871 | slf_init_transfer (pTHX_ struct CoroSLF *frame, SV **arg, int items) |
|
|
1872 | { |
|
|
1873 | if (items != 2) |
|
|
1874 | croak ("Coro::State::transfer (prev, next) expects two arguments, not %d,", items); |
|
|
1875 | |
|
|
1876 | frame->prepare = slf_prepare_transfer; |
|
|
1877 | frame->check = slf_check_nop; |
|
|
1878 | frame->data = (void *)arg; /* let's hope it will stay valid */ |
|
|
1879 | } |
|
|
1880 | |
|
|
1881 | static void |
|
|
1882 | slf_init_schedule (pTHX_ struct CoroSLF *frame, SV **arg, int items) |
|
|
1883 | { |
|
|
1884 | frame->prepare = prepare_schedule; |
|
|
1885 | frame->check = slf_check_nop; |
|
|
1886 | } |
|
|
1887 | |
|
|
1888 | static void |
|
|
1889 | slf_init_cede (pTHX_ struct CoroSLF *frame, SV **arg, int items) |
|
|
1890 | { |
|
|
1891 | frame->prepare = prepare_cede; |
|
|
1892 | frame->check = slf_check_nop; |
|
|
1893 | } |
|
|
1894 | |
|
|
1895 | static void |
|
|
1896 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, SV **arg, int items) |
|
|
1897 | { |
|
|
1898 | frame->prepare = prepare_cede_notself; |
|
|
1899 | frame->check = slf_check_nop; |
|
|
1900 | } |
|
|
1901 | |
|
|
1902 | /* we hijack an hopefully unused CV flag for our purposes */ |
|
|
1903 | #define CVf_SLF 0x4000 |
|
|
1904 | |
|
|
1905 | /* |
|
|
1906 | * these not obviously related functions are all rolled into one |
|
|
1907 | * function to increase chances that they all will call transfer with the same |
|
|
1908 | * stack offset |
|
|
1909 | * SLF stands for "schedule-like-function". |
|
|
1910 | */ |
|
|
1911 | static OP * |
|
|
1912 | pp_slf (pTHX) |
|
|
1913 | { |
|
|
1914 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
|
|
1915 | |
|
|
1916 | /* set up the slf frame, unless it has already been set-up */ |
|
|
1917 | /* the latter happens when a new coro has been started */ |
|
|
1918 | /* or when a new cctx was attached to an existing coroutine */ |
|
|
1919 | if (expect_true (!slf_frame.prepare)) |
|
|
1920 | { |
2493 | { |
1921 | /* first iteration */ |
2494 | SV *cb; |
1922 | dSP; |
|
|
1923 | SV **arg = PL_stack_base + TOPMARK + 1; |
|
|
1924 | int items = SP - arg; /* args without function object */ |
|
|
1925 | SV *gv = *sp; |
|
|
1926 | |
2495 | |
1927 | /* do a quick consistency check on the "function" object, and if it isn't */ |
2496 | /* swap first two elements so we can shift a waiter */ |
1928 | /* for us, divert to the real entersub */ |
2497 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
1929 | if (SvTYPE (gv) != SVt_PVGV || !(CvFLAGS (GvCV (gv)) & CVf_SLF)) |
2498 | AvARRAY (av)[1] = count_sv; |
1930 | return PL_ppaddr[OP_ENTERSUB](aTHX); |
2499 | cb = av_shift (av); |
1931 | |
2500 | |
1932 | /* pop args */ |
2501 | if (SvOBJECT (cb)) |
1933 | SP = PL_stack_base + POPMARK; |
|
|
1934 | |
|
|
1935 | if (!(PL_op->op_flags & OPf_STACKED)) |
|
|
1936 | { |
2502 | { |
1937 | /* ampersand-form of call, use @_ instead of stack */ |
2503 | api_ready (aTHX_ cb); |
1938 | AV *av = GvAV (PL_defgv); |
2504 | --count; |
1939 | arg = AvARRAY (av); |
|
|
1940 | items = AvFILLp (av) + 1; |
|
|
1941 | } |
2505 | } |
1942 | |
2506 | else if (SvTYPE (cb) == SVt_PVCV) |
1943 | PUTBACK; |
|
|
1944 | |
|
|
1945 | ((coro_slf_cb)CvXSUBANY (GvCV (gv)).any_ptr) (aTHX_ &slf_frame, arg, items); |
|
|
1946 | } |
|
|
1947 | |
|
|
1948 | /* now interpret the slf_frame */ |
|
|
1949 | /* we use a callback system not to make the code needlessly */ |
|
|
1950 | /* complicated, but so we can run multiple perl coros from one cctx */ |
|
|
1951 | |
|
|
1952 | do |
|
|
1953 | { |
|
|
1954 | struct coro_transfer_args ta; |
|
|
1955 | |
|
|
1956 | slf_frame.prepare (aTHX_ &ta); |
|
|
1957 | TRANSFER (ta, 0); |
|
|
1958 | |
|
|
1959 | checkmark = PL_stack_sp - PL_stack_base; |
|
|
1960 | } |
|
|
1961 | while (slf_frame.check (aTHX_ &slf_frame)); |
|
|
1962 | |
|
|
1963 | { |
|
|
1964 | dSP; |
|
|
1965 | SV **bot = PL_stack_base + checkmark; |
|
|
1966 | int gimme = GIMME_V; |
|
|
1967 | |
|
|
1968 | slf_frame.prepare = 0; /* signal pp_slf that we need a new frame */ |
|
|
1969 | |
|
|
1970 | /* make sure we put something on the stack in scalar context */ |
|
|
1971 | if (gimme == G_SCALAR) |
|
|
1972 | { |
2507 | { |
1973 | if (sp == bot) |
2508 | dSP; |
1974 | XPUSHs (&PL_sv_undef); |
2509 | PUSHMARK (SP); |
1975 | |
2510 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
1976 | SP = bot + 1; |
2511 | PUTBACK; |
|
|
2512 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
1977 | } |
2513 | } |
1978 | |
2514 | |
1979 | PUTBACK; |
2515 | SvREFCNT_dec (cb); |
1980 | } |
2516 | } |
1981 | |
|
|
1982 | return NORMAL; |
|
|
1983 | } |
2517 | } |
1984 | |
2518 | |
1985 | static void |
2519 | static void |
1986 | api_execute_slf (pTHX_ CV *cv, coro_slf_cb init_cb, SV **arg, int items) |
2520 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
1987 | { |
2521 | { |
1988 | assert (("FATAL: SLF call with illegal CV value", !CvANON (cv))); |
2522 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
1989 | |
2523 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
1990 | if (PL_op->op_ppaddr != PL_ppaddr [OP_ENTERSUB] |
|
|
1991 | && PL_op->op_ppaddr != pp_slf) |
|
|
1992 | croak ("FATAL: Coro SLF calls can only be made normally, not via goto or any other means, caught"); |
|
|
1993 | |
|
|
1994 | if (items > 3) |
|
|
1995 | croak ("Coro only supports up to three arguments to SLF functions currently (not %d), caught", items); |
|
|
1996 | |
|
|
1997 | CvFLAGS (cv) |= CVf_SLF; |
|
|
1998 | CvXSUBANY (cv).any_ptr = (void *)init_cb; |
|
|
1999 | slf_cv = cv; |
|
|
2000 | |
|
|
2001 | /* we patch the op, and then re-run the whole call */ |
|
|
2002 | /* we have to put the same argument on the stack for this to work */ |
|
|
2003 | /* and this will be done by pp_restore */ |
|
|
2004 | slf_restore.op_next = (OP *)&slf_restore; |
|
|
2005 | slf_restore.op_type = OP_NULL; |
|
|
2006 | slf_restore.op_ppaddr = pp_restore; |
|
|
2007 | slf_restore.op_first = PL_op; |
|
|
2008 | |
|
|
2009 | slf_arg0 = items > 0 ? SvREFCNT_inc (arg [0]) : 0; |
|
|
2010 | slf_arg1 = items > 1 ? SvREFCNT_inc (arg [1]) : 0; |
|
|
2011 | slf_arg2 = items > 2 ? SvREFCNT_inc (arg [2]) : 0; |
|
|
2012 | |
|
|
2013 | PL_op->op_ppaddr = pp_slf; |
|
|
2014 | |
|
|
2015 | PL_op = (OP *)&slf_restore; |
|
|
2016 | } |
2524 | } |
2017 | |
|
|
2018 | /*****************************************************************************/ |
|
|
2019 | |
2525 | |
2020 | static int |
2526 | static int |
2021 | slf_check_semaphore_down (pTHX_ struct CoroSLF *frame) |
2527 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2022 | { |
2528 | { |
2023 | AV *av = (AV *)frame->data; |
2529 | AV *av = (AV *)frame->data; |
2024 | SV *count_sv = AvARRAY (av)[0]; |
2530 | SV *count_sv = AvARRAY (av)[0]; |
2025 | |
2531 | |
|
|
2532 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
|
|
2533 | if (CORO_THROW) |
|
|
2534 | return 0; |
2026 | if (SvIVX (count_sv) > 0) |
2535 | else if (SvIVX (count_sv) > 0) |
2027 | { |
2536 | { |
|
|
2537 | SvSTATE_current->on_destroy = 0; |
|
|
2538 | |
|
|
2539 | if (acquire) |
2028 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2540 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
|
|
2541 | else |
|
|
2542 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2543 | |
2029 | return 0; |
2544 | return 0; |
2030 | } |
2545 | } |
2031 | else |
2546 | else |
2032 | { |
2547 | { |
2033 | int i; |
2548 | int i; |
… | |
… | |
2042 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2557 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2043 | return 1; |
2558 | return 1; |
2044 | } |
2559 | } |
2045 | } |
2560 | } |
2046 | |
2561 | |
2047 | static void |
2562 | static int |
|
|
2563 | slf_check_semaphore_down (pTHX_ struct CoroSLF *frame) |
|
|
2564 | { |
|
|
2565 | return slf_check_semaphore_down_or_wait (aTHX_ frame, 1); |
|
|
2566 | } |
|
|
2567 | |
|
|
2568 | static int |
|
|
2569 | slf_check_semaphore_wait (pTHX_ struct CoroSLF *frame) |
|
|
2570 | { |
|
|
2571 | return slf_check_semaphore_down_or_wait (aTHX_ frame, 0); |
|
|
2572 | } |
|
|
2573 | |
|
|
2574 | static void |
2048 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, SV **arg, int items) |
2575 | slf_init_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2049 | { |
2576 | { |
2050 | AV *av = (AV *)SvRV (arg [0]); |
2577 | AV *av = (AV *)SvRV (arg [0]); |
2051 | |
2578 | |
2052 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2579 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2053 | { |
2580 | { |
… | |
… | |
2058 | { |
2585 | { |
2059 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2586 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2060 | |
2587 | |
2061 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2588 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2062 | frame->prepare = prepare_schedule; |
2589 | frame->prepare = prepare_schedule; |
2063 | } |
|
|
2064 | |
2590 | |
|
|
2591 | /* to avoid race conditions when a woken-up coro gets terminated */ |
|
|
2592 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
|
|
2593 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
|
|
2594 | } |
|
|
2595 | } |
|
|
2596 | |
|
|
2597 | static void |
|
|
2598 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2599 | { |
|
|
2600 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
2065 | frame->check = slf_check_semaphore_down; |
2601 | frame->check = slf_check_semaphore_down; |
2066 | |
|
|
2067 | } |
2602 | } |
|
|
2603 | |
|
|
2604 | static void |
|
|
2605 | slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2606 | { |
|
|
2607 | if (items >= 2) |
|
|
2608 | { |
|
|
2609 | /* callback form */ |
|
|
2610 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2611 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
|
|
2612 | |
|
|
2613 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
|
|
2614 | |
|
|
2615 | if (SvIVX (AvARRAY (av)[0]) > 0) |
|
|
2616 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2617 | |
|
|
2618 | frame->prepare = prepare_nop; |
|
|
2619 | frame->check = slf_check_nop; |
|
|
2620 | } |
|
|
2621 | else |
|
|
2622 | { |
|
|
2623 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
|
|
2624 | frame->check = slf_check_semaphore_wait; |
|
|
2625 | } |
|
|
2626 | } |
|
|
2627 | |
|
|
2628 | /* signal */ |
|
|
2629 | |
|
|
2630 | static void |
|
|
2631 | coro_signal_wake (pTHX_ AV *av, int count) |
|
|
2632 | { |
|
|
2633 | SvIVX (AvARRAY (av)[0]) = 0; |
|
|
2634 | |
|
|
2635 | /* now signal count waiters */ |
|
|
2636 | while (count > 0 && AvFILLp (av) > 0) |
|
|
2637 | { |
|
|
2638 | SV *cb; |
|
|
2639 | |
|
|
2640 | /* swap first two elements so we can shift a waiter */ |
|
|
2641 | cb = AvARRAY (av)[0]; |
|
|
2642 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
|
|
2643 | AvARRAY (av)[1] = cb; |
|
|
2644 | |
|
|
2645 | cb = av_shift (av); |
|
|
2646 | |
|
|
2647 | api_ready (aTHX_ cb); |
|
|
2648 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
2649 | SvREFCNT_dec (cb); |
|
|
2650 | |
|
|
2651 | --count; |
|
|
2652 | } |
|
|
2653 | } |
|
|
2654 | |
|
|
2655 | static int |
|
|
2656 | slf_check_signal_wait (pTHX_ struct CoroSLF *frame) |
|
|
2657 | { |
|
|
2658 | /* if we are about to throw, also stop waiting */ |
|
|
2659 | return SvROK ((SV *)frame->data) && !CORO_THROW; |
|
|
2660 | } |
|
|
2661 | |
|
|
2662 | static void |
|
|
2663 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2664 | { |
|
|
2665 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2666 | |
|
|
2667 | if (SvIVX (AvARRAY (av)[0])) |
|
|
2668 | { |
|
|
2669 | SvIVX (AvARRAY (av)[0]) = 0; |
|
|
2670 | frame->prepare = prepare_nop; |
|
|
2671 | frame->check = slf_check_nop; |
|
|
2672 | } |
|
|
2673 | else |
|
|
2674 | { |
|
|
2675 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
|
|
2676 | |
|
|
2677 | av_push (av, waiter); |
|
|
2678 | |
|
|
2679 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
|
|
2680 | frame->prepare = prepare_schedule; |
|
|
2681 | frame->check = slf_check_signal_wait; |
|
|
2682 | } |
|
|
2683 | } |
|
|
2684 | |
|
|
2685 | /*****************************************************************************/ |
|
|
2686 | /* Coro::AIO */ |
|
|
2687 | |
|
|
2688 | #define CORO_MAGIC_type_aio PERL_MAGIC_ext |
|
|
2689 | |
|
|
2690 | /* helper storage struct */ |
|
|
2691 | struct io_state |
|
|
2692 | { |
|
|
2693 | int errorno; |
|
|
2694 | I32 laststype; /* U16 in 5.10.0 */ |
|
|
2695 | int laststatval; |
|
|
2696 | Stat_t statcache; |
|
|
2697 | }; |
|
|
2698 | |
|
|
2699 | static void |
|
|
2700 | coro_aio_callback (pTHX_ CV *cv) |
|
|
2701 | { |
|
|
2702 | dXSARGS; |
|
|
2703 | AV *state = (AV *)GENSUB_ARG; |
|
|
2704 | SV *coro = av_pop (state); |
|
|
2705 | SV *data_sv = newSV (sizeof (struct io_state)); |
|
|
2706 | |
|
|
2707 | av_extend (state, items - 1); |
|
|
2708 | |
|
|
2709 | sv_upgrade (data_sv, SVt_PV); |
|
|
2710 | SvCUR_set (data_sv, sizeof (struct io_state)); |
|
|
2711 | SvPOK_only (data_sv); |
|
|
2712 | |
|
|
2713 | { |
|
|
2714 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
|
|
2715 | |
|
|
2716 | data->errorno = errno; |
|
|
2717 | data->laststype = PL_laststype; |
|
|
2718 | data->laststatval = PL_laststatval; |
|
|
2719 | data->statcache = PL_statcache; |
|
|
2720 | } |
|
|
2721 | |
|
|
2722 | /* now build the result vector out of all the parameters and the data_sv */ |
|
|
2723 | { |
|
|
2724 | int i; |
|
|
2725 | |
|
|
2726 | for (i = 0; i < items; ++i) |
|
|
2727 | av_push (state, SvREFCNT_inc_NN (ST (i))); |
|
|
2728 | } |
|
|
2729 | |
|
|
2730 | av_push (state, data_sv); |
|
|
2731 | |
|
|
2732 | api_ready (aTHX_ coro); |
|
|
2733 | SvREFCNT_dec (coro); |
|
|
2734 | SvREFCNT_dec ((AV *)state); |
|
|
2735 | } |
|
|
2736 | |
|
|
2737 | static int |
|
|
2738 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
|
|
2739 | { |
|
|
2740 | AV *state = (AV *)frame->data; |
|
|
2741 | |
|
|
2742 | /* if we are about to throw, return early */ |
|
|
2743 | /* this does not cancel the aio request, but at least */ |
|
|
2744 | /* it quickly returns */ |
|
|
2745 | if (CORO_THROW) |
|
|
2746 | return 0; |
|
|
2747 | |
|
|
2748 | /* one element that is an RV? repeat! */ |
|
|
2749 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
|
|
2750 | return 1; |
|
|
2751 | |
|
|
2752 | /* restore status */ |
|
|
2753 | { |
|
|
2754 | SV *data_sv = av_pop (state); |
|
|
2755 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
|
|
2756 | |
|
|
2757 | errno = data->errorno; |
|
|
2758 | PL_laststype = data->laststype; |
|
|
2759 | PL_laststatval = data->laststatval; |
|
|
2760 | PL_statcache = data->statcache; |
|
|
2761 | |
|
|
2762 | SvREFCNT_dec (data_sv); |
|
|
2763 | } |
|
|
2764 | |
|
|
2765 | /* push result values */ |
|
|
2766 | { |
|
|
2767 | dSP; |
|
|
2768 | int i; |
|
|
2769 | |
|
|
2770 | EXTEND (SP, AvFILLp (state) + 1); |
|
|
2771 | for (i = 0; i <= AvFILLp (state); ++i) |
|
|
2772 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (state)[i]))); |
|
|
2773 | |
|
|
2774 | PUTBACK; |
|
|
2775 | } |
|
|
2776 | |
|
|
2777 | return 0; |
|
|
2778 | } |
|
|
2779 | |
|
|
2780 | static void |
|
|
2781 | slf_init_aio_req (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2782 | { |
|
|
2783 | AV *state = (AV *)sv_2mortal ((SV *)newAV ()); |
|
|
2784 | SV *coro_hv = SvRV (coro_current); |
|
|
2785 | struct coro *coro = SvSTATE_hv (coro_hv); |
|
|
2786 | |
|
|
2787 | /* put our coroutine id on the state arg */ |
|
|
2788 | av_push (state, SvREFCNT_inc_NN (coro_hv)); |
|
|
2789 | |
|
|
2790 | /* first see whether we have a non-zero priority and set it as AIO prio */ |
|
|
2791 | if (coro->prio) |
|
|
2792 | { |
|
|
2793 | dSP; |
|
|
2794 | |
|
|
2795 | static SV *prio_cv; |
|
|
2796 | static SV *prio_sv; |
|
|
2797 | |
|
|
2798 | if (expect_false (!prio_cv)) |
|
|
2799 | { |
|
|
2800 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
|
|
2801 | prio_sv = newSViv (0); |
|
|
2802 | } |
|
|
2803 | |
|
|
2804 | PUSHMARK (SP); |
|
|
2805 | sv_setiv (prio_sv, coro->prio); |
|
|
2806 | XPUSHs (prio_sv); |
|
|
2807 | |
|
|
2808 | PUTBACK; |
|
|
2809 | call_sv (prio_cv, G_VOID | G_DISCARD); |
|
|
2810 | } |
|
|
2811 | |
|
|
2812 | /* now call the original request */ |
|
|
2813 | { |
|
|
2814 | dSP; |
|
|
2815 | CV *req = (CV *)CORO_MAGIC_NN ((SV *)cv, CORO_MAGIC_type_aio)->mg_obj; |
|
|
2816 | int i; |
|
|
2817 | |
|
|
2818 | PUSHMARK (SP); |
|
|
2819 | |
|
|
2820 | /* first push all args to the stack */ |
|
|
2821 | EXTEND (SP, items + 1); |
|
|
2822 | |
|
|
2823 | for (i = 0; i < items; ++i) |
|
|
2824 | PUSHs (arg [i]); |
|
|
2825 | |
|
|
2826 | /* now push the callback closure */ |
|
|
2827 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
|
|
2828 | |
|
|
2829 | /* now call the AIO function - we assume our request is uncancelable */ |
|
|
2830 | PUTBACK; |
|
|
2831 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
|
|
2832 | } |
|
|
2833 | |
|
|
2834 | /* now that the requets is going, we loop toll we have a result */ |
|
|
2835 | frame->data = (void *)state; |
|
|
2836 | frame->prepare = prepare_schedule; |
|
|
2837 | frame->check = slf_check_aio_req; |
|
|
2838 | } |
|
|
2839 | |
|
|
2840 | static void |
|
|
2841 | coro_aio_req_xs (pTHX_ CV *cv) |
|
|
2842 | { |
|
|
2843 | dXSARGS; |
|
|
2844 | |
|
|
2845 | CORO_EXECUTE_SLF_XS (slf_init_aio_req); |
|
|
2846 | |
|
|
2847 | XSRETURN_EMPTY; |
|
|
2848 | } |
|
|
2849 | |
|
|
2850 | /*****************************************************************************/ |
|
|
2851 | |
|
|
2852 | #if CORO_CLONE |
|
|
2853 | # include "clone.c" |
|
|
2854 | #endif |
2068 | |
2855 | |
2069 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2856 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2070 | |
2857 | |
2071 | PROTOTYPES: DISABLE |
2858 | PROTOTYPES: DISABLE |
2072 | |
2859 | |
2073 | BOOT: |
2860 | BOOT: |
2074 | { |
2861 | { |
2075 | #ifdef USE_ITHREADS |
2862 | #ifdef USE_ITHREADS |
2076 | MUTEX_INIT (&coro_lock); |
|
|
2077 | # if CORO_PTHREAD |
2863 | # if CORO_PTHREAD |
2078 | coro_thx = PERL_GET_CONTEXT; |
2864 | coro_thx = PERL_GET_CONTEXT; |
2079 | # endif |
2865 | # endif |
2080 | #endif |
2866 | #endif |
2081 | BOOT_PAGESIZE; |
2867 | BOOT_PAGESIZE; |
|
|
2868 | |
|
|
2869 | cctx_current = cctx_new_empty (); |
2082 | |
2870 | |
2083 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2871 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2084 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2872 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2085 | |
2873 | |
2086 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2874 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
… | |
… | |
2101 | main_mainstack = PL_mainstack; |
2889 | main_mainstack = PL_mainstack; |
2102 | main_top_env = PL_top_env; |
2890 | main_top_env = PL_top_env; |
2103 | |
2891 | |
2104 | while (main_top_env->je_prev) |
2892 | while (main_top_env->je_prev) |
2105 | main_top_env = main_top_env->je_prev; |
2893 | main_top_env = main_top_env->je_prev; |
|
|
2894 | |
|
|
2895 | { |
|
|
2896 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
|
|
2897 | |
|
|
2898 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
|
|
2899 | hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0); |
|
|
2900 | |
|
|
2901 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
|
|
2902 | hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0); |
|
|
2903 | } |
2106 | |
2904 | |
2107 | coroapi.ver = CORO_API_VERSION; |
2905 | coroapi.ver = CORO_API_VERSION; |
2108 | coroapi.rev = CORO_API_REVISION; |
2906 | coroapi.rev = CORO_API_REVISION; |
2109 | |
2907 | |
2110 | coroapi.transfer = api_transfer; |
2908 | coroapi.transfer = api_transfer; |
… | |
… | |
2128 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2926 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2129 | } |
2927 | } |
2130 | |
2928 | |
2131 | SV * |
2929 | SV * |
2132 | new (char *klass, ...) |
2930 | new (char *klass, ...) |
|
|
2931 | ALIAS: |
|
|
2932 | Coro::new = 1 |
2133 | CODE: |
2933 | CODE: |
2134 | { |
2934 | { |
2135 | struct coro *coro; |
2935 | struct coro *coro; |
2136 | MAGIC *mg; |
2936 | MAGIC *mg; |
2137 | HV *hv; |
2937 | HV *hv; |
|
|
2938 | CV *cb; |
2138 | int i; |
2939 | int i; |
|
|
2940 | |
|
|
2941 | if (items > 1) |
|
|
2942 | { |
|
|
2943 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2944 | |
|
|
2945 | if (!ix) |
|
|
2946 | { |
|
|
2947 | if (CvISXSUB (cb)) |
|
|
2948 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2949 | |
|
|
2950 | if (!CvROOT (cb)) |
|
|
2951 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2952 | } |
|
|
2953 | } |
2139 | |
2954 | |
2140 | Newz (0, coro, 1, struct coro); |
2955 | Newz (0, coro, 1, struct coro); |
2141 | coro->args = newAV (); |
2956 | coro->args = newAV (); |
2142 | coro->flags = CF_NEW; |
2957 | coro->flags = CF_NEW; |
2143 | |
2958 | |
… | |
… | |
2148 | coro->hv = hv = newHV (); |
2963 | coro->hv = hv = newHV (); |
2149 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
2964 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
2150 | mg->mg_flags |= MGf_DUP; |
2965 | mg->mg_flags |= MGf_DUP; |
2151 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
2966 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
2152 | |
2967 | |
|
|
2968 | if (items > 1) |
|
|
2969 | { |
2153 | av_extend (coro->args, items - 1); |
2970 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2971 | |
|
|
2972 | if (ix) |
|
|
2973 | { |
|
|
2974 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2975 | cb = cv_coro_run; |
|
|
2976 | } |
|
|
2977 | |
|
|
2978 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2979 | |
2154 | for (i = 1; i < items; i++) |
2980 | for (i = 2; i < items; i++) |
2155 | av_push (coro->args, newSVsv (ST (i))); |
2981 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2982 | } |
2156 | } |
2983 | } |
2157 | OUTPUT: |
2984 | OUTPUT: |
2158 | RETVAL |
2985 | RETVAL |
2159 | |
2986 | |
2160 | void |
2987 | void |
2161 | _set_stacklevel (...) |
2988 | transfer (...) |
|
|
2989 | PROTOTYPE: $$ |
2162 | CODE: |
2990 | CODE: |
2163 | api_execute_slf (aTHX_ cv, slf_init_set_stacklevel, &ST (0), items); |
2991 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
2164 | |
|
|
2165 | void |
|
|
2166 | transfer (...) |
|
|
2167 | CODE: |
|
|
2168 | api_execute_slf (aTHX_ cv, slf_init_transfer, &ST (0), items); |
|
|
2169 | |
2992 | |
2170 | bool |
2993 | bool |
2171 | _destroy (SV *coro_sv) |
2994 | _destroy (SV *coro_sv) |
2172 | CODE: |
2995 | CODE: |
2173 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
2996 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
… | |
… | |
2177 | void |
3000 | void |
2178 | _exit (int code) |
3001 | _exit (int code) |
2179 | PROTOTYPE: $ |
3002 | PROTOTYPE: $ |
2180 | CODE: |
3003 | CODE: |
2181 | _exit (code); |
3004 | _exit (code); |
|
|
3005 | |
|
|
3006 | SV * |
|
|
3007 | clone (Coro::State coro) |
|
|
3008 | CODE: |
|
|
3009 | { |
|
|
3010 | #if CORO_CLONE |
|
|
3011 | struct coro *ncoro = coro_clone (aTHX_ coro); |
|
|
3012 | MAGIC *mg; |
|
|
3013 | /* TODO: too much duplication */ |
|
|
3014 | ncoro->hv = newHV (); |
|
|
3015 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
|
|
3016 | mg->mg_flags |= MGf_DUP; |
|
|
3017 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
|
|
3018 | #else |
|
|
3019 | croak ("Coro::State->clone has not been configured into this installation of Coro, realised"); |
|
|
3020 | #endif |
|
|
3021 | } |
|
|
3022 | OUTPUT: |
|
|
3023 | RETVAL |
2182 | |
3024 | |
2183 | int |
3025 | int |
2184 | cctx_stacksize (int new_stacksize = 0) |
3026 | cctx_stacksize (int new_stacksize = 0) |
2185 | PROTOTYPE: ;$ |
3027 | PROTOTYPE: ;$ |
2186 | CODE: |
3028 | CODE: |
… | |
… | |
2236 | eval = 1 |
3078 | eval = 1 |
2237 | CODE: |
3079 | CODE: |
2238 | { |
3080 | { |
2239 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3081 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2240 | { |
3082 | { |
2241 | struct coro temp; |
3083 | struct coro *current = SvSTATE_current; |
2242 | |
3084 | |
2243 | if (!(coro->flags & CF_RUNNING)) |
3085 | if (current != coro) |
2244 | { |
3086 | { |
2245 | PUTBACK; |
3087 | PUTBACK; |
2246 | save_perl (aTHX_ &temp); |
3088 | save_perl (aTHX_ current); |
2247 | load_perl (aTHX_ coro); |
3089 | load_perl (aTHX_ coro); |
|
|
3090 | SPAGAIN; |
2248 | } |
3091 | } |
2249 | |
3092 | |
2250 | { |
|
|
2251 | dSP; |
|
|
2252 | ENTER; |
|
|
2253 | SAVETMPS; |
|
|
2254 | PUTBACK; |
|
|
2255 | PUSHSTACK; |
3093 | PUSHSTACK; |
|
|
3094 | |
2256 | PUSHMARK (SP); |
3095 | PUSHMARK (SP); |
|
|
3096 | PUTBACK; |
2257 | |
3097 | |
2258 | if (ix) |
3098 | if (ix) |
2259 | eval_sv (coderef, 0); |
3099 | eval_sv (coderef, 0); |
2260 | else |
3100 | else |
2261 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3101 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2262 | |
3102 | |
2263 | POPSTACK; |
3103 | POPSTACK; |
2264 | SPAGAIN; |
3104 | SPAGAIN; |
2265 | FREETMPS; |
|
|
2266 | LEAVE; |
|
|
2267 | PUTBACK; |
|
|
2268 | } |
|
|
2269 | |
3105 | |
2270 | if (!(coro->flags & CF_RUNNING)) |
3106 | if (current != coro) |
2271 | { |
3107 | { |
|
|
3108 | PUTBACK; |
2272 | save_perl (aTHX_ coro); |
3109 | save_perl (aTHX_ coro); |
2273 | load_perl (aTHX_ &temp); |
3110 | load_perl (aTHX_ current); |
2274 | SPAGAIN; |
3111 | SPAGAIN; |
2275 | } |
3112 | } |
2276 | } |
3113 | } |
2277 | } |
3114 | } |
2278 | |
3115 | |
… | |
… | |
2282 | ALIAS: |
3119 | ALIAS: |
2283 | is_ready = CF_READY |
3120 | is_ready = CF_READY |
2284 | is_running = CF_RUNNING |
3121 | is_running = CF_RUNNING |
2285 | is_new = CF_NEW |
3122 | is_new = CF_NEW |
2286 | is_destroyed = CF_DESTROYED |
3123 | is_destroyed = CF_DESTROYED |
|
|
3124 | is_suspended = CF_SUSPENDED |
2287 | CODE: |
3125 | CODE: |
2288 | RETVAL = boolSV (coro->flags & ix); |
3126 | RETVAL = boolSV (coro->flags & ix); |
2289 | OUTPUT: |
3127 | OUTPUT: |
2290 | RETVAL |
3128 | RETVAL |
2291 | |
3129 | |
2292 | void |
3130 | void |
2293 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3131 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
2294 | PROTOTYPE: $;$ |
3132 | PROTOTYPE: $;$ |
2295 | CODE: |
3133 | CODE: |
|
|
3134 | { |
|
|
3135 | struct coro *current = SvSTATE_current; |
|
|
3136 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
2296 | SvREFCNT_dec (self->throw); |
3137 | SvREFCNT_dec (*throwp); |
2297 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
3138 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
3139 | } |
2298 | |
3140 | |
2299 | void |
3141 | void |
2300 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3142 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
2301 | PROTOTYPE: $;$ |
3143 | PROTOTYPE: $;$ |
2302 | C_ARGS: aTHX_ coro, flags |
3144 | C_ARGS: aTHX_ coro, flags |
2303 | |
3145 | |
2304 | SV * |
3146 | SV * |
2305 | has_cctx (Coro::State coro) |
3147 | has_cctx (Coro::State coro) |
2306 | PROTOTYPE: $ |
3148 | PROTOTYPE: $ |
2307 | CODE: |
3149 | CODE: |
2308 | RETVAL = boolSV (!!coro->cctx); |
3150 | /* maybe manage the running flag differently */ |
|
|
3151 | RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING)); |
2309 | OUTPUT: |
3152 | OUTPUT: |
2310 | RETVAL |
3153 | RETVAL |
2311 | |
3154 | |
2312 | int |
3155 | int |
2313 | is_traced (Coro::State coro) |
3156 | is_traced (Coro::State coro) |
… | |
… | |
2333 | |
3176 | |
2334 | void |
3177 | void |
2335 | force_cctx () |
3178 | force_cctx () |
2336 | PROTOTYPE: |
3179 | PROTOTYPE: |
2337 | CODE: |
3180 | CODE: |
2338 | struct coro *coro = SvSTATE (coro_current); |
|
|
2339 | coro->cctx->idle_sp = 0; |
3181 | cctx_current->idle_sp = 0; |
2340 | |
3182 | |
2341 | void |
3183 | void |
2342 | swap_defsv (Coro::State self) |
3184 | swap_defsv (Coro::State self) |
2343 | PROTOTYPE: $ |
3185 | PROTOTYPE: $ |
2344 | ALIAS: |
3186 | ALIAS: |
… | |
… | |
2352 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3194 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
2353 | |
3195 | |
2354 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3196 | SV *tmp = *src; *src = *dst; *dst = tmp; |
2355 | } |
3197 | } |
2356 | |
3198 | |
|
|
3199 | void |
|
|
3200 | cancel (Coro::State self) |
|
|
3201 | CODE: |
|
|
3202 | coro_state_destroy (aTHX_ self); |
|
|
3203 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3204 | |
|
|
3205 | |
2357 | MODULE = Coro::State PACKAGE = Coro |
3206 | MODULE = Coro::State PACKAGE = Coro |
2358 | |
3207 | |
2359 | BOOT: |
3208 | BOOT: |
2360 | { |
3209 | { |
2361 | int i; |
3210 | int i; |
2362 | |
3211 | |
2363 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2364 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3212 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
2365 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3213 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
2366 | |
3214 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
|
|
3215 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
2367 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
3216 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
2368 | SvREADONLY_on (coro_current); |
3217 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
3218 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
|
|
3219 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3220 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
|
|
3221 | |
|
|
3222 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
|
|
3223 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
|
|
3224 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
|
|
3225 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
2369 | |
3226 | |
2370 | coro_stash = gv_stashpv ("Coro", TRUE); |
3227 | coro_stash = gv_stashpv ("Coro", TRUE); |
2371 | |
3228 | |
2372 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3229 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
2373 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3230 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
… | |
… | |
2381 | |
3238 | |
2382 | { |
3239 | { |
2383 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3240 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
2384 | |
3241 | |
2385 | coroapi.schedule = api_schedule; |
3242 | coroapi.schedule = api_schedule; |
|
|
3243 | coroapi.schedule_to = api_schedule_to; |
2386 | coroapi.cede = api_cede; |
3244 | coroapi.cede = api_cede; |
2387 | coroapi.cede_notself = api_cede_notself; |
3245 | coroapi.cede_notself = api_cede_notself; |
2388 | coroapi.ready = api_ready; |
3246 | coroapi.ready = api_ready; |
2389 | coroapi.is_ready = api_is_ready; |
3247 | coroapi.is_ready = api_is_ready; |
2390 | coroapi.nready = coro_nready; |
3248 | coroapi.nready = coro_nready; |
2391 | coroapi.current = coro_current; |
3249 | coroapi.current = coro_current; |
2392 | |
3250 | |
2393 | GCoroAPI = &coroapi; |
3251 | /*GCoroAPI = &coroapi;*/ |
2394 | sv_setiv (sv, (IV)&coroapi); |
3252 | sv_setiv (sv, (IV)&coroapi); |
2395 | SvREADONLY_on (sv); |
3253 | SvREADONLY_on (sv); |
2396 | } |
3254 | } |
2397 | } |
3255 | } |
2398 | |
3256 | |
2399 | void |
3257 | void |
|
|
3258 | terminate (...) |
|
|
3259 | CODE: |
|
|
3260 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3261 | |
|
|
3262 | void |
2400 | schedule (...) |
3263 | schedule (...) |
2401 | CODE: |
3264 | CODE: |
2402 | api_execute_slf (aTHX_ cv, slf_init_schedule, &ST (0), items); |
3265 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
|
|
3266 | |
|
|
3267 | void |
|
|
3268 | schedule_to (...) |
|
|
3269 | CODE: |
|
|
3270 | CORO_EXECUTE_SLF_XS (slf_init_schedule_to); |
|
|
3271 | |
|
|
3272 | void |
|
|
3273 | cede_to (...) |
|
|
3274 | CODE: |
|
|
3275 | CORO_EXECUTE_SLF_XS (slf_init_cede_to); |
2403 | |
3276 | |
2404 | void |
3277 | void |
2405 | cede (...) |
3278 | cede (...) |
2406 | CODE: |
3279 | CODE: |
2407 | api_execute_slf (aTHX_ cv, slf_init_cede, &ST (0), items); |
3280 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
2408 | |
3281 | |
2409 | void |
3282 | void |
2410 | cede_notself (...) |
3283 | cede_notself (...) |
2411 | CODE: |
3284 | CODE: |
2412 | api_execute_slf (aTHX_ cv, slf_init_cede_notself, &ST (0), items); |
3285 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
2413 | |
3286 | |
2414 | void |
3287 | void |
2415 | _set_current (SV *current) |
3288 | _set_current (SV *current) |
2416 | PROTOTYPE: $ |
3289 | PROTOTYPE: $ |
2417 | CODE: |
3290 | CODE: |
… | |
… | |
2420 | |
3293 | |
2421 | void |
3294 | void |
2422 | _set_readyhook (SV *hook) |
3295 | _set_readyhook (SV *hook) |
2423 | PROTOTYPE: $ |
3296 | PROTOTYPE: $ |
2424 | CODE: |
3297 | CODE: |
2425 | LOCK; |
|
|
2426 | SvREFCNT_dec (coro_readyhook); |
3298 | SvREFCNT_dec (coro_readyhook); |
2427 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3299 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
2428 | UNLOCK; |
|
|
2429 | |
3300 | |
2430 | int |
3301 | int |
2431 | prio (Coro::State coro, int newprio = 0) |
3302 | prio (Coro::State coro, int newprio = 0) |
2432 | PROTOTYPE: $;$ |
3303 | PROTOTYPE: $;$ |
2433 | ALIAS: |
3304 | ALIAS: |
… | |
… | |
2464 | CODE: |
3335 | CODE: |
2465 | RETVAL = coro_nready; |
3336 | RETVAL = coro_nready; |
2466 | OUTPUT: |
3337 | OUTPUT: |
2467 | RETVAL |
3338 | RETVAL |
2468 | |
3339 | |
2469 | # for async_pool speedup |
|
|
2470 | void |
3340 | void |
2471 | _pool_1 (SV *cb) |
3341 | _pool_handler (...) |
2472 | CODE: |
3342 | CODE: |
2473 | { |
3343 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
2474 | struct coro *coro = SvSTATE (coro_current); |
|
|
2475 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2476 | AV *defav = GvAV (PL_defgv); |
|
|
2477 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
2478 | AV *invoke_av; |
|
|
2479 | int i, len; |
|
|
2480 | |
3344 | |
2481 | if (!invoke) |
3345 | void |
|
|
3346 | async_pool (SV *cv, ...) |
|
|
3347 | PROTOTYPE: &@ |
|
|
3348 | PPCODE: |
|
|
3349 | { |
|
|
3350 | HV *hv = (HV *)av_pop (av_async_pool); |
|
|
3351 | AV *av = newAV (); |
|
|
3352 | SV *cb = ST (0); |
|
|
3353 | int i; |
|
|
3354 | |
|
|
3355 | av_extend (av, items - 2); |
|
|
3356 | for (i = 1; i < items; ++i) |
|
|
3357 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
|
|
3358 | |
|
|
3359 | if ((SV *)hv == &PL_sv_undef) |
2482 | { |
3360 | { |
2483 | SV *old = PL_diehook; |
3361 | PUSHMARK (SP); |
2484 | PL_diehook = 0; |
3362 | EXTEND (SP, 2); |
2485 | SvREFCNT_dec (old); |
3363 | PUSHs (sv_Coro); |
2486 | croak ("\3async_pool terminate\2\n"); |
3364 | PUSHs ((SV *)cv_pool_handler); |
|
|
3365 | PUTBACK; |
|
|
3366 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3367 | SPAGAIN; |
|
|
3368 | |
|
|
3369 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
2487 | } |
3370 | } |
2488 | |
3371 | |
2489 | SvREFCNT_dec (coro->saved_deffh); |
|
|
2490 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
2491 | |
|
|
2492 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2493 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
2494 | |
|
|
2495 | invoke_av = (AV *)SvRV (invoke); |
|
|
2496 | len = av_len (invoke_av); |
|
|
2497 | |
|
|
2498 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
2499 | |
|
|
2500 | if (len > 0) |
|
|
2501 | { |
3372 | { |
2502 | av_fill (defav, len - 1); |
3373 | struct coro *coro = SvSTATE_hv (hv); |
2503 | for (i = 0; i < len; ++i) |
3374 | |
2504 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
3375 | assert (!coro->invoke_cb); |
|
|
3376 | assert (!coro->invoke_av); |
|
|
3377 | coro->invoke_cb = SvREFCNT_inc (cb); |
|
|
3378 | coro->invoke_av = av; |
2505 | } |
3379 | } |
2506 | } |
|
|
2507 | |
3380 | |
2508 | void |
3381 | api_ready (aTHX_ (SV *)hv); |
2509 | _pool_2 (SV *cb) |
3382 | |
|
|
3383 | if (GIMME_V != G_VOID) |
|
|
3384 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
|
|
3385 | else |
|
|
3386 | SvREFCNT_dec (hv); |
|
|
3387 | } |
|
|
3388 | |
|
|
3389 | SV * |
|
|
3390 | rouse_cb () |
|
|
3391 | PROTOTYPE: |
2510 | CODE: |
3392 | CODE: |
2511 | { |
3393 | RETVAL = coro_new_rouse_cb (aTHX); |
2512 | struct coro *coro = SvSTATE (coro_current); |
|
|
2513 | |
|
|
2514 | sv_setsv (cb, &PL_sv_undef); |
|
|
2515 | |
|
|
2516 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
2517 | coro->saved_deffh = 0; |
|
|
2518 | |
|
|
2519 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
2520 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2521 | { |
|
|
2522 | SV *old = PL_diehook; |
|
|
2523 | PL_diehook = 0; |
|
|
2524 | SvREFCNT_dec (old); |
|
|
2525 | croak ("\3async_pool terminate\2\n"); |
|
|
2526 | } |
|
|
2527 | |
|
|
2528 | av_clear (GvAV (PL_defgv)); |
|
|
2529 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
|
|
2530 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
2531 | |
|
|
2532 | coro->prio = 0; |
|
|
2533 | |
|
|
2534 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
2535 | api_trace (aTHX_ coro_current, 0); |
|
|
2536 | |
|
|
2537 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
2538 | } |
|
|
2539 | |
|
|
2540 | #if 0 |
|
|
2541 | |
|
|
2542 | void |
|
|
2543 | _generator_call (...) |
|
|
2544 | PROTOTYPE: @ |
|
|
2545 | PPCODE: |
|
|
2546 | fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr); |
|
|
2547 | xxxx |
|
|
2548 | abort (); |
|
|
2549 | |
|
|
2550 | SV * |
|
|
2551 | gensub (SV *sub, ...) |
|
|
2552 | PROTOTYPE: &;@ |
|
|
2553 | CODE: |
|
|
2554 | { |
|
|
2555 | struct coro *coro; |
|
|
2556 | MAGIC *mg; |
|
|
2557 | CV *xcv; |
|
|
2558 | CV *ncv = (CV *)newSV_type (SVt_PVCV); |
|
|
2559 | int i; |
|
|
2560 | |
|
|
2561 | CvGV (ncv) = CvGV (cv); |
|
|
2562 | CvFILE (ncv) = CvFILE (cv); |
|
|
2563 | |
|
|
2564 | Newz (0, coro, 1, struct coro); |
|
|
2565 | coro->args = newAV (); |
|
|
2566 | coro->flags = CF_NEW; |
|
|
2567 | |
|
|
2568 | av_extend (coro->args, items - 1); |
|
|
2569 | for (i = 1; i < items; i++) |
|
|
2570 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2571 | |
|
|
2572 | CvISXSUB_on (ncv); |
|
|
2573 | CvXSUBANY (ncv).any_ptr = (void *)coro; |
|
|
2574 | |
|
|
2575 | xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV)); |
|
|
2576 | |
|
|
2577 | CvXSUB (ncv) = CvXSUB (xcv); |
|
|
2578 | CvANON_on (ncv); |
|
|
2579 | |
|
|
2580 | mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0); |
|
|
2581 | RETVAL = newRV_noinc ((SV *)ncv); |
|
|
2582 | } |
|
|
2583 | OUTPUT: |
3394 | OUTPUT: |
2584 | RETVAL |
3395 | RETVAL |
2585 | |
3396 | |
2586 | #endif |
|
|
2587 | |
|
|
2588 | |
|
|
2589 | MODULE = Coro::State PACKAGE = Coro::AIO |
|
|
2590 | |
|
|
2591 | void |
3397 | void |
2592 | _get_state (SV *self) |
3398 | rouse_wait (...) |
2593 | PROTOTYPE: $ |
3399 | PROTOTYPE: ;$ |
2594 | PPCODE: |
3400 | PPCODE: |
2595 | { |
3401 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
2596 | AV *defav = GvAV (PL_defgv); |
|
|
2597 | AV *av = newAV (); |
|
|
2598 | int i; |
|
|
2599 | SV *data_sv = newSV (sizeof (struct io_state)); |
|
|
2600 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
|
|
2601 | SvCUR_set (data_sv, sizeof (struct io_state)); |
|
|
2602 | SvPOK_only (data_sv); |
|
|
2603 | |
|
|
2604 | data->errorno = errno; |
|
|
2605 | data->laststype = PL_laststype; |
|
|
2606 | data->laststatval = PL_laststatval; |
|
|
2607 | data->statcache = PL_statcache; |
|
|
2608 | |
|
|
2609 | av_extend (av, AvFILLp (defav) + 1 + 1); |
|
|
2610 | |
|
|
2611 | for (i = 0; i <= AvFILLp (defav); ++i) |
|
|
2612 | av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i])); |
|
|
2613 | |
|
|
2614 | av_push (av, data_sv); |
|
|
2615 | |
|
|
2616 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
2617 | |
|
|
2618 | api_ready (aTHX_ self); |
|
|
2619 | } |
|
|
2620 | |
3402 | |
2621 | void |
3403 | void |
2622 | _set_state (SV *state) |
3404 | on_enter (SV *block) |
|
|
3405 | ALIAS: |
|
|
3406 | on_leave = 1 |
2623 | PROTOTYPE: $ |
3407 | PROTOTYPE: & |
2624 | PPCODE: |
|
|
2625 | { |
|
|
2626 | AV *av = (AV *)SvRV (state); |
|
|
2627 | struct io_state *data = (struct io_state *)SvPVX (AvARRAY (av)[AvFILLp (av)]); |
|
|
2628 | int i; |
|
|
2629 | |
|
|
2630 | errno = data->errorno; |
|
|
2631 | PL_laststype = data->laststype; |
|
|
2632 | PL_laststatval = data->laststatval; |
|
|
2633 | PL_statcache = data->statcache; |
|
|
2634 | |
|
|
2635 | EXTEND (SP, AvFILLp (av)); |
|
|
2636 | for (i = 0; i < AvFILLp (av); ++i) |
|
|
2637 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i]))); |
|
|
2638 | } |
|
|
2639 | |
|
|
2640 | |
|
|
2641 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
|
|
2642 | |
|
|
2643 | BOOT: |
|
|
2644 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
|
|
2645 | |
|
|
2646 | SV * |
|
|
2647 | _schedule (...) |
|
|
2648 | CODE: |
3408 | CODE: |
2649 | { |
3409 | { |
2650 | static int incede; |
3410 | struct coro *coro = SvSTATE_current; |
|
|
3411 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
2651 | |
3412 | |
2652 | api_cede_notself (aTHX); |
3413 | block = (SV *)coro_sv_2cv (aTHX_ block); |
2653 | |
3414 | |
2654 | ++incede; |
3415 | if (!*avp) |
2655 | while (coro_nready >= incede && api_cede (aTHX)) |
3416 | *avp = newAV (); |
2656 | ; |
|
|
2657 | |
3417 | |
2658 | sv_setsv (sv_activity, &PL_sv_undef); |
3418 | av_push (*avp, SvREFCNT_inc (block)); |
2659 | if (coro_nready >= incede) |
|
|
2660 | { |
|
|
2661 | PUSHMARK (SP); |
|
|
2662 | PUTBACK; |
|
|
2663 | call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL); |
|
|
2664 | SPAGAIN; |
|
|
2665 | } |
|
|
2666 | |
3419 | |
2667 | --incede; |
3420 | if (!ix) |
|
|
3421 | on_enterleave_call (aTHX_ block); |
|
|
3422 | |
|
|
3423 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */ |
|
|
3424 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
3425 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */ |
2668 | } |
3426 | } |
2669 | |
3427 | |
2670 | |
3428 | |
2671 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3429 | MODULE = Coro::State PACKAGE = PerlIO::cede |
2672 | |
3430 | |
2673 | BOOT: |
3431 | BOOT: |
2674 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3432 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
2675 | |
3433 | |
|
|
3434 | |
2676 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3435 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
2677 | |
3436 | |
2678 | SV * |
3437 | SV * |
2679 | new (SV *klass, SV *count_ = 0) |
3438 | new (SV *klass, SV *count = 0) |
2680 | CODE: |
3439 | CODE: |
2681 | { |
3440 | RETVAL = sv_bless ( |
2682 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
3441 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
2683 | AV *av = newAV (); |
3442 | GvSTASH (CvGV (cv)) |
2684 | av_push (av, newSViv (count_ && SvOK (count_) ? SvIV (count_) : 1)); |
3443 | ); |
2685 | RETVAL = sv_bless (newRV_noinc ((SV *)av), GvSTASH (CvGV (cv))); |
3444 | OUTPUT: |
2686 | } |
3445 | RETVAL |
|
|
3446 | |
|
|
3447 | # helper for Coro::Channel and others |
|
|
3448 | SV * |
|
|
3449 | _alloc (int count) |
|
|
3450 | CODE: |
|
|
3451 | RETVAL = coro_waitarray_new (aTHX_ count); |
2687 | OUTPUT: |
3452 | OUTPUT: |
2688 | RETVAL |
3453 | RETVAL |
2689 | |
3454 | |
2690 | SV * |
3455 | SV * |
2691 | count (SV *self) |
3456 | count (SV *self) |
… | |
… | |
2697 | void |
3462 | void |
2698 | up (SV *self, int adjust = 1) |
3463 | up (SV *self, int adjust = 1) |
2699 | ALIAS: |
3464 | ALIAS: |
2700 | adjust = 1 |
3465 | adjust = 1 |
2701 | CODE: |
3466 | CODE: |
2702 | { |
3467 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
2703 | AV *av = (AV *)SvRV (self); |
|
|
2704 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2705 | IV count = SvIVX (count_sv); |
|
|
2706 | |
|
|
2707 | count += ix ? adjust : 1; |
|
|
2708 | SvIVX (count_sv) = count; |
|
|
2709 | |
|
|
2710 | /* now wake up as many waiters as possible */ |
|
|
2711 | while (count > 0 && AvFILLp (av) >= count) |
|
|
2712 | { |
|
|
2713 | SV *cb; |
|
|
2714 | |
|
|
2715 | /* swap first two elements so we can shift a waiter */ |
|
|
2716 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
|
|
2717 | AvARRAY (av)[1] = count_sv; |
|
|
2718 | cb = av_shift (av); |
|
|
2719 | |
|
|
2720 | if (SvOBJECT (cb)) |
|
|
2721 | api_ready (cb); |
|
|
2722 | else |
|
|
2723 | croak ("callbacks not yet supported"); |
|
|
2724 | |
|
|
2725 | SvREFCNT_dec (cb); |
|
|
2726 | } |
|
|
2727 | } |
|
|
2728 | |
3468 | |
2729 | void |
3469 | void |
2730 | down (SV *self) |
3470 | down (...) |
2731 | CODE: |
3471 | CODE: |
2732 | api_execute_slf (aTHX_ cv, slf_init_semaphore_down, &ST (0), items); |
3472 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
|
|
3473 | |
|
|
3474 | void |
|
|
3475 | wait (...) |
|
|
3476 | CODE: |
|
|
3477 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait); |
2733 | |
3478 | |
2734 | void |
3479 | void |
2735 | try (SV *self) |
3480 | try (SV *self) |
2736 | PPCODE: |
3481 | PPCODE: |
2737 | { |
3482 | { |
… | |
… | |
2749 | XSRETURN_NO; |
3494 | XSRETURN_NO; |
2750 | } |
3495 | } |
2751 | |
3496 | |
2752 | void |
3497 | void |
2753 | waiters (SV *self) |
3498 | waiters (SV *self) |
2754 | CODE: |
3499 | PPCODE: |
2755 | { |
3500 | { |
2756 | AV *av = (AV *)SvRV (self); |
3501 | AV *av = (AV *)SvRV (self); |
|
|
3502 | int wcount = AvFILLp (av) + 1 - 1; |
2757 | |
3503 | |
2758 | if (GIMME_V == G_SCALAR) |
3504 | if (GIMME_V == G_SCALAR) |
2759 | XPUSHs (sv_2mortal (newSVsv (AvARRAY (av)[0]))); |
3505 | XPUSHs (sv_2mortal (newSViv (wcount))); |
2760 | else |
3506 | else |
2761 | { |
3507 | { |
2762 | int i; |
3508 | int i; |
2763 | EXTEND (SP, AvFILLp (av) + 1 - 1); |
3509 | EXTEND (SP, wcount); |
2764 | for (i = 1; i <= AvFILLp (av); ++i) |
3510 | for (i = 1; i <= wcount; ++i) |
2765 | PUSHs (newSVsv (AvARRAY (av)[i])); |
3511 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
2766 | } |
3512 | } |
2767 | } |
3513 | } |
2768 | |
3514 | |
|
|
3515 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
3516 | |
|
|
3517 | void |
|
|
3518 | _may_delete (SV *sem, int count, int extra_refs) |
|
|
3519 | PPCODE: |
|
|
3520 | { |
|
|
3521 | AV *av = (AV *)SvRV (sem); |
|
|
3522 | |
|
|
3523 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
3524 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
3525 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
3526 | XSRETURN_YES; |
|
|
3527 | |
|
|
3528 | XSRETURN_NO; |
|
|
3529 | } |
|
|
3530 | |
|
|
3531 | MODULE = Coro::State PACKAGE = Coro::Signal |
|
|
3532 | |
|
|
3533 | SV * |
|
|
3534 | new (SV *klass) |
|
|
3535 | CODE: |
|
|
3536 | RETVAL = sv_bless ( |
|
|
3537 | coro_waitarray_new (aTHX_ 0), |
|
|
3538 | GvSTASH (CvGV (cv)) |
|
|
3539 | ); |
|
|
3540 | OUTPUT: |
|
|
3541 | RETVAL |
|
|
3542 | |
|
|
3543 | void |
|
|
3544 | wait (...) |
|
|
3545 | CODE: |
|
|
3546 | CORO_EXECUTE_SLF_XS (slf_init_signal_wait); |
|
|
3547 | |
|
|
3548 | void |
|
|
3549 | broadcast (SV *self) |
|
|
3550 | CODE: |
|
|
3551 | { |
|
|
3552 | AV *av = (AV *)SvRV (self); |
|
|
3553 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
|
|
3554 | } |
|
|
3555 | |
|
|
3556 | void |
|
|
3557 | send (SV *self) |
|
|
3558 | CODE: |
|
|
3559 | { |
|
|
3560 | AV *av = (AV *)SvRV (self); |
|
|
3561 | |
|
|
3562 | if (AvFILLp (av)) |
|
|
3563 | coro_signal_wake (aTHX_ av, 1); |
|
|
3564 | else |
|
|
3565 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
|
|
3566 | } |
|
|
3567 | |
|
|
3568 | IV |
|
|
3569 | awaited (SV *self) |
|
|
3570 | CODE: |
|
|
3571 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
|
|
3572 | OUTPUT: |
|
|
3573 | RETVAL |
|
|
3574 | |
|
|
3575 | |
|
|
3576 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
|
|
3577 | |
|
|
3578 | BOOT: |
|
|
3579 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
|
|
3580 | |
|
|
3581 | void |
|
|
3582 | _schedule (...) |
|
|
3583 | CODE: |
|
|
3584 | { |
|
|
3585 | static int incede; |
|
|
3586 | |
|
|
3587 | api_cede_notself (aTHX); |
|
|
3588 | |
|
|
3589 | ++incede; |
|
|
3590 | while (coro_nready >= incede && api_cede (aTHX)) |
|
|
3591 | ; |
|
|
3592 | |
|
|
3593 | sv_setsv (sv_activity, &PL_sv_undef); |
|
|
3594 | if (coro_nready >= incede) |
|
|
3595 | { |
|
|
3596 | PUSHMARK (SP); |
|
|
3597 | PUTBACK; |
|
|
3598 | call_pv ("Coro::AnyEvent::_activity", G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
3599 | } |
|
|
3600 | |
|
|
3601 | --incede; |
|
|
3602 | } |
|
|
3603 | |
|
|
3604 | |
|
|
3605 | MODULE = Coro::State PACKAGE = Coro::AIO |
|
|
3606 | |
|
|
3607 | void |
|
|
3608 | _register (char *target, char *proto, SV *req) |
|
|
3609 | CODE: |
|
|
3610 | { |
|
|
3611 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
|
|
3612 | /* newXSproto doesn't return the CV on 5.8 */ |
|
|
3613 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
|
|
3614 | sv_setpv ((SV *)slf_cv, proto); |
|
|
3615 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
|
|
3616 | } |
|
|
3617 | |