… | |
… | |
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 |
… | |
… | |
98 | # define newSV(l) NEWSV(0,l) |
98 | # define newSV(l) NEWSV(0,l) |
99 | #endif |
99 | #endif |
100 | #ifndef CvISXSUB_on |
100 | #ifndef CvISXSUB_on |
101 | # define CvISXSUB_on(cv) (void)cv |
101 | # define CvISXSUB_on(cv) (void)cv |
102 | #endif |
102 | #endif |
|
|
103 | #ifndef CvISXSUB |
|
|
104 | # define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE) |
|
|
105 | #endif |
|
|
106 | #ifndef Newx |
|
|
107 | # define Newx(ptr,nitems,type) New (0,ptr,nitems,type) |
|
|
108 | #endif |
103 | |
109 | |
104 | /* 5.8.7 */ |
110 | /* 5.8.7 */ |
105 | #ifndef SvRV_set |
111 | #ifndef SvRV_set |
106 | # define SvRV_set(s,v) SvRV(s) = (v) |
112 | # define SvRV_set(s,v) SvRV(s) = (v) |
107 | #endif |
113 | #endif |
… | |
… | |
120 | #endif |
126 | #endif |
121 | |
127 | |
122 | /* 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 |
123 | * portable way as possible. */ |
129 | * portable way as possible. */ |
124 | #if __GNUC__ >= 4 |
130 | #if __GNUC__ >= 4 |
|
|
131 | # define dSTACKLEVEL int stacklevel_dummy |
125 | # define dSTACKLEVEL void *stacklevel = __builtin_frame_address (0) |
132 | # define STACKLEVEL __builtin_frame_address (0) |
126 | #else |
133 | #else |
127 | # define dSTACKLEVEL volatile void *stacklevel = (volatile void *)&stacklevel |
134 | # define dSTACKLEVEL volatile void *stacklevel |
|
|
135 | # define STACKLEVEL ((void *)&stacklevel) |
128 | #endif |
136 | #endif |
129 | |
137 | |
130 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
138 | #define IN_DESTRUCT PL_dirty |
131 | |
139 | |
132 | #if __GNUC__ >= 3 |
140 | #if __GNUC__ >= 3 |
133 | # define attribute(x) __attribute__(x) |
141 | # define attribute(x) __attribute__(x) |
134 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
142 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
135 | # define INLINE static inline |
143 | # define INLINE static inline |
… | |
… | |
143 | #define expect_true(expr) expect ((expr) != 0, 1) |
151 | #define expect_true(expr) expect ((expr) != 0, 1) |
144 | |
152 | |
145 | #define NOINLINE attribute ((noinline)) |
153 | #define NOINLINE attribute ((noinline)) |
146 | |
154 | |
147 | #include "CoroAPI.h" |
155 | #include "CoroAPI.h" |
|
|
156 | #define GCoroAPI (&coroapi) /* very sneaky */ |
148 | |
157 | |
149 | #ifdef USE_ITHREADS |
158 | #ifdef USE_ITHREADS |
150 | # if CORO_PTHREAD |
159 | # if CORO_PTHREAD |
151 | static void *coro_thx; |
160 | static void *coro_thx; |
152 | # endif |
161 | # endif |
153 | #endif |
162 | #endif |
154 | |
163 | |
155 | 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); |
156 | |
169 | |
157 | static U32 cctx_gen; |
170 | static U32 cctx_gen; |
158 | static size_t cctx_stacksize = CORO_STACKSIZE; |
171 | static size_t cctx_stacksize = CORO_STACKSIZE; |
159 | static struct CoroAPI coroapi; |
172 | static struct CoroAPI coroapi; |
160 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
173 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
161 | static JMPENV *main_top_env; |
174 | static JMPENV *main_top_env; |
162 | static HV *coro_state_stash, *coro_stash; |
175 | static HV *coro_state_stash, *coro_stash; |
163 | 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 */ |
164 | |
177 | |
|
|
178 | static AV *av_destroy; /* destruction queue */ |
|
|
179 | static SV *sv_manager; /* the manager coro */ |
|
|
180 | static SV *sv_idle; /* $Coro::idle */ |
|
|
181 | |
165 | static GV *irsgv; /* $/ */ |
182 | static GV *irsgv; /* $/ */ |
166 | static GV *stdoutgv; /* *STDOUT */ |
183 | static GV *stdoutgv; /* *STDOUT */ |
167 | static SV *rv_diehook; |
184 | static SV *rv_diehook; |
168 | static SV *rv_warnhook; |
185 | static SV *rv_warnhook; |
169 | static HV *hv_sig; /* %SIG */ |
186 | static HV *hv_sig; /* %SIG */ |
170 | |
187 | |
171 | /* async_pool helper stuff */ |
188 | /* async_pool helper stuff */ |
172 | static SV *sv_pool_rss; |
189 | static SV *sv_pool_rss; |
173 | static SV *sv_pool_size; |
190 | static SV *sv_pool_size; |
|
|
191 | static SV *sv_async_pool_idle; /* description string */ |
174 | 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; |
175 | |
196 | |
176 | /* Coro::AnyEvent */ |
197 | /* Coro::AnyEvent */ |
177 | static SV *sv_activity; |
198 | static SV *sv_activity; |
178 | |
199 | |
179 | static struct coro_cctx *cctx_first; |
200 | static struct coro_cctx *cctx_first; |
… | |
… | |
208 | int valgrind_id; |
229 | int valgrind_id; |
209 | #endif |
230 | #endif |
210 | unsigned char flags; |
231 | unsigned char flags; |
211 | } coro_cctx; |
232 | } coro_cctx; |
212 | |
233 | |
|
|
234 | coro_cctx *cctx_current; /* the currently running cctx */ |
|
|
235 | |
|
|
236 | /*****************************************************************************/ |
|
|
237 | |
213 | enum { |
238 | enum { |
214 | CF_RUNNING = 0x0001, /* coroutine is running */ |
239 | CF_RUNNING = 0x0001, /* coroutine is running */ |
215 | CF_READY = 0x0002, /* coroutine is ready */ |
240 | CF_READY = 0x0002, /* coroutine is ready */ |
216 | CF_NEW = 0x0004, /* has never been switched to */ |
241 | CF_NEW = 0x0004, /* has never been switched to */ |
217 | 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 */ |
218 | }; |
244 | }; |
219 | |
245 | |
220 | /* 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 */ |
221 | typedef struct |
247 | typedef struct |
222 | { |
248 | { |
223 | SV *defsv; |
249 | SV *defsv; |
224 | AV *defav; |
250 | AV *defav; |
225 | SV *errsv; |
251 | SV *errsv; |
226 | SV *irsgv; |
252 | SV *irsgv; |
|
|
253 | HV *hinthv; |
227 | #define VAR(name,type) type name; |
254 | #define VAR(name,type) type name; |
228 | # include "state.h" |
255 | # include "state.h" |
229 | #undef VAR |
256 | #undef VAR |
230 | } perl_slots; |
257 | } perl_slots; |
231 | |
258 | |
… | |
… | |
234 | /* this is a structure representing a perl-level coroutine */ |
261 | /* this is a structure representing a perl-level coroutine */ |
235 | struct coro { |
262 | struct coro { |
236 | /* the C coroutine allocated to this perl coroutine, if any */ |
263 | /* the C coroutine allocated to this perl coroutine, if any */ |
237 | coro_cctx *cctx; |
264 | coro_cctx *cctx; |
238 | |
265 | |
|
|
266 | /* ready queue */ |
|
|
267 | struct coro *next_ready; |
|
|
268 | |
239 | /* state data */ |
269 | /* state data */ |
240 | struct CoroSLF slf_frame; /* saved slf frame */ |
270 | struct CoroSLF slf_frame; /* saved slf frame */ |
241 | AV *mainstack; |
271 | AV *mainstack; |
242 | perl_slots *slot; /* basically the saved sp */ |
272 | perl_slots *slot; /* basically the saved sp */ |
243 | |
273 | |
|
|
274 | CV *startcv; /* the CV to execute */ |
244 | AV *args; /* data associated with this coroutine (initial args) */ |
275 | AV *args; /* data associated with this coroutine (initial args) */ |
245 | int refcnt; /* coroutines are refcounted, yes */ |
276 | int refcnt; /* coroutines are refcounted, yes */ |
246 | int flags; /* CF_ flags */ |
277 | int flags; /* CF_ flags */ |
247 | HV *hv; /* the perl hash associated with this coro, if any */ |
278 | HV *hv; /* the perl hash associated with this coro, if any */ |
248 | void (*on_destroy)(pTHX_ struct coro *coro); |
279 | void (*on_destroy)(pTHX_ struct coro *coro); |
249 | |
280 | |
250 | /* statistics */ |
281 | /* statistics */ |
251 | int usecount; /* number of transfers to this coro */ |
282 | int usecount; /* number of transfers to this coro */ |
252 | |
283 | |
253 | /* coro process data */ |
284 | /* coro process data */ |
254 | int prio; |
285 | int prio; |
255 | SV *throw; /* exception to be thrown */ |
286 | SV *except; /* exception to be thrown */ |
|
|
287 | SV *rouse_cb; |
256 | |
288 | |
257 | /* async_pool */ |
289 | /* async_pool */ |
258 | SV *saved_deffh; |
290 | SV *saved_deffh; |
|
|
291 | SV *invoke_cb; |
|
|
292 | AV *invoke_av; |
|
|
293 | |
|
|
294 | /* on_enter/on_leave */ |
|
|
295 | AV *on_enter; |
|
|
296 | AV *on_leave; |
259 | |
297 | |
260 | /* linked list */ |
298 | /* linked list */ |
261 | struct coro *next, *prev; |
299 | struct coro *next, *prev; |
262 | }; |
300 | }; |
263 | |
301 | |
… | |
… | |
266 | |
304 | |
267 | /* the following variables are effectively part of the perl context */ |
305 | /* the following variables are effectively part of the perl context */ |
268 | /* and get copied between struct coro and these variables */ |
306 | /* and get copied between struct coro and these variables */ |
269 | /* the mainr easonw e don't support windows process emulation */ |
307 | /* the mainr easonw e don't support windows process emulation */ |
270 | static struct CoroSLF slf_frame; /* the current slf frame */ |
308 | static struct CoroSLF slf_frame; /* the current slf frame */ |
271 | static SV *coro_throw; |
|
|
272 | |
309 | |
273 | /** Coro ********************************************************************/ |
310 | /** Coro ********************************************************************/ |
274 | |
311 | |
275 | #define PRIO_MAX 3 |
312 | #define PRIO_MAX 3 |
276 | #define PRIO_HIGH 1 |
313 | #define PRIO_HIGH 1 |
… | |
… | |
280 | #define PRIO_MIN -4 |
317 | #define PRIO_MIN -4 |
281 | |
318 | |
282 | /* for Coro.pm */ |
319 | /* for Coro.pm */ |
283 | static SV *coro_current; |
320 | static SV *coro_current; |
284 | static SV *coro_readyhook; |
321 | static SV *coro_readyhook; |
285 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
322 | static struct coro *coro_ready [PRIO_MAX - PRIO_MIN + 1][2]; /* head|tail */ |
|
|
323 | static CV *cv_coro_run, *cv_coro_terminate; |
286 | static struct coro *coro_first; |
324 | static struct coro *coro_first; |
287 | #define coro_nready coroapi.nready |
325 | #define coro_nready coroapi.nready |
288 | |
326 | |
289 | /** lowlevel stuff **********************************************************/ |
327 | /** lowlevel stuff **********************************************************/ |
290 | |
328 | |
… | |
… | |
316 | get_hv (name, create); |
354 | get_hv (name, create); |
317 | #endif |
355 | #endif |
318 | return get_hv (name, create); |
356 | return get_hv (name, create); |
319 | } |
357 | } |
320 | |
358 | |
|
|
359 | /* may croak */ |
|
|
360 | INLINE CV * |
|
|
361 | coro_sv_2cv (pTHX_ SV *sv) |
|
|
362 | { |
|
|
363 | HV *st; |
|
|
364 | GV *gvp; |
|
|
365 | CV *cv = sv_2cv (sv, &st, &gvp, 0); |
|
|
366 | |
|
|
367 | if (!cv) |
|
|
368 | croak ("code reference expected"); |
|
|
369 | |
|
|
370 | return cv; |
|
|
371 | } |
|
|
372 | |
|
|
373 | /*****************************************************************************/ |
|
|
374 | /* magic glue */ |
|
|
375 | |
|
|
376 | #define CORO_MAGIC_type_cv 26 |
|
|
377 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
378 | |
|
|
379 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
380 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
381 | ? SvMAGIC (sv) \ |
|
|
382 | : mg_find (sv, type)) |
|
|
383 | |
|
|
384 | #define CORO_MAGIC(sv, type) \ |
|
|
385 | (expect_true (SvMAGIC (sv)) \ |
|
|
386 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
387 | : 0) |
|
|
388 | |
|
|
389 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
390 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
391 | |
|
|
392 | INLINE struct coro * |
|
|
393 | SvSTATE_ (pTHX_ SV *coro) |
|
|
394 | { |
|
|
395 | HV *stash; |
|
|
396 | MAGIC *mg; |
|
|
397 | |
|
|
398 | if (SvROK (coro)) |
|
|
399 | coro = SvRV (coro); |
|
|
400 | |
|
|
401 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
402 | croak ("Coro::State object required"); |
|
|
403 | |
|
|
404 | stash = SvSTASH (coro); |
|
|
405 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
406 | { |
|
|
407 | /* very slow, but rare, check */ |
|
|
408 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
409 | croak ("Coro::State object required"); |
|
|
410 | } |
|
|
411 | |
|
|
412 | mg = CORO_MAGIC_state (coro); |
|
|
413 | return (struct coro *)mg->mg_ptr; |
|
|
414 | } |
|
|
415 | |
|
|
416 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
417 | |
|
|
418 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
419 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
420 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
421 | |
|
|
422 | /*****************************************************************************/ |
|
|
423 | /* padlist management and caching */ |
|
|
424 | |
321 | static AV * |
425 | static AV * |
322 | coro_clone_padlist (pTHX_ CV *cv) |
426 | coro_derive_padlist (pTHX_ CV *cv) |
323 | { |
427 | { |
324 | AV *padlist = CvPADLIST (cv); |
428 | AV *padlist = CvPADLIST (cv); |
325 | AV *newpadlist, *newpad; |
429 | AV *newpadlist, *newpad; |
326 | |
430 | |
327 | newpadlist = newAV (); |
431 | newpadlist = newAV (); |
… | |
… | |
332 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
436 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
333 | #endif |
437 | #endif |
334 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
438 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
335 | --AvFILLp (padlist); |
439 | --AvFILLp (padlist); |
336 | |
440 | |
337 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
441 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
338 | av_store (newpadlist, 1, (SV *)newpad); |
442 | av_store (newpadlist, 1, (SV *)newpad); |
339 | |
443 | |
340 | return newpadlist; |
444 | return newpadlist; |
341 | } |
445 | } |
342 | |
446 | |
343 | static void |
447 | static void |
344 | free_padlist (pTHX_ AV *padlist) |
448 | free_padlist (pTHX_ AV *padlist) |
345 | { |
449 | { |
346 | /* may be during global destruction */ |
450 | /* may be during global destruction */ |
347 | if (SvREFCNT (padlist)) |
451 | if (!IN_DESTRUCT) |
348 | { |
452 | { |
349 | I32 i = AvFILLp (padlist); |
453 | I32 i = AvFILLp (padlist); |
350 | while (i >= 0) |
454 | |
|
|
455 | while (i > 0) /* special-case index 0 */ |
351 | { |
456 | { |
352 | SV **svp = av_fetch (padlist, i--, FALSE); |
457 | /* we try to be extra-careful here */ |
353 | if (svp) |
458 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
354 | { |
459 | I32 j = AvFILLp (av); |
355 | SV *sv; |
460 | |
356 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
461 | while (j >= 0) |
|
|
462 | SvREFCNT_dec (AvARRAY (av)[j--]); |
|
|
463 | |
|
|
464 | AvFILLp (av) = -1; |
357 | SvREFCNT_dec (sv); |
465 | SvREFCNT_dec (av); |
358 | |
|
|
359 | SvREFCNT_dec (*svp); |
|
|
360 | } |
|
|
361 | } |
466 | } |
362 | |
467 | |
|
|
468 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
|
|
469 | |
|
|
470 | AvFILLp (padlist) = -1; |
363 | SvREFCNT_dec ((SV*)padlist); |
471 | SvREFCNT_dec ((SV*)padlist); |
364 | } |
472 | } |
365 | } |
473 | } |
366 | |
474 | |
367 | static int |
475 | static int |
… | |
… | |
376 | |
484 | |
377 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
485 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
378 | |
486 | |
379 | return 0; |
487 | return 0; |
380 | } |
488 | } |
381 | |
|
|
382 | #define CORO_MAGIC_type_cv 26 |
|
|
383 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
384 | |
489 | |
385 | static MGVTBL coro_cv_vtbl = { |
490 | static MGVTBL coro_cv_vtbl = { |
386 | 0, 0, 0, 0, |
491 | 0, 0, 0, 0, |
387 | coro_cv_free |
492 | coro_cv_free |
388 | }; |
493 | }; |
389 | |
|
|
390 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
391 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
392 | ? SvMAGIC (sv) \ |
|
|
393 | : mg_find (sv, type)) |
|
|
394 | |
|
|
395 | #define CORO_MAGIC(sv, type) \ |
|
|
396 | (expect_true (SvMAGIC (sv)) \ |
|
|
397 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
398 | : 0) |
|
|
399 | |
|
|
400 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
401 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
402 | |
|
|
403 | INLINE struct coro * |
|
|
404 | SvSTATE_ (pTHX_ SV *coro) |
|
|
405 | { |
|
|
406 | HV *stash; |
|
|
407 | MAGIC *mg; |
|
|
408 | |
|
|
409 | if (SvROK (coro)) |
|
|
410 | coro = SvRV (coro); |
|
|
411 | |
|
|
412 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
413 | croak ("Coro::State object required"); |
|
|
414 | |
|
|
415 | stash = SvSTASH (coro); |
|
|
416 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
417 | { |
|
|
418 | /* very slow, but rare, check */ |
|
|
419 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
420 | croak ("Coro::State object required"); |
|
|
421 | } |
|
|
422 | |
|
|
423 | mg = CORO_MAGIC_state (coro); |
|
|
424 | return (struct coro *)mg->mg_ptr; |
|
|
425 | } |
|
|
426 | |
|
|
427 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
428 | |
|
|
429 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
430 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
431 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
432 | |
494 | |
433 | /* the next two functions merely cache the padlists */ |
495 | /* the next two functions merely cache the padlists */ |
434 | static void |
496 | static void |
435 | get_padlist (pTHX_ CV *cv) |
497 | get_padlist (pTHX_ CV *cv) |
436 | { |
498 | { |
… | |
… | |
442 | else |
504 | else |
443 | { |
505 | { |
444 | #if CORO_PREFER_PERL_FUNCTIONS |
506 | #if CORO_PREFER_PERL_FUNCTIONS |
445 | /* this is probably cleaner? but also slower! */ |
507 | /* this is probably cleaner? but also slower! */ |
446 | /* in practise, it seems to be less stable */ |
508 | /* in practise, it seems to be less stable */ |
447 | CV *cp = Perl_cv_clone (cv); |
509 | CV *cp = Perl_cv_clone (aTHX_ cv); |
448 | CvPADLIST (cv) = CvPADLIST (cp); |
510 | CvPADLIST (cv) = CvPADLIST (cp); |
449 | CvPADLIST (cp) = 0; |
511 | CvPADLIST (cp) = 0; |
450 | SvREFCNT_dec (cp); |
512 | SvREFCNT_dec (cp); |
451 | #else |
513 | #else |
452 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
514 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
453 | #endif |
515 | #endif |
454 | } |
516 | } |
455 | } |
517 | } |
456 | |
518 | |
457 | static void |
519 | static void |
… | |
… | |
464 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
526 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
465 | |
527 | |
466 | av = (AV *)mg->mg_obj; |
528 | av = (AV *)mg->mg_obj; |
467 | |
529 | |
468 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
530 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
469 | av_extend (av, AvMAX (av) + 1); |
531 | av_extend (av, AvFILLp (av) + 1); |
470 | |
532 | |
471 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
533 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
472 | } |
534 | } |
473 | |
535 | |
474 | /** load & save, init *******************************************************/ |
536 | /** load & save, init *******************************************************/ |
|
|
537 | |
|
|
538 | static void |
|
|
539 | on_enterleave_call (pTHX_ SV *cb); |
475 | |
540 | |
476 | static void |
541 | static void |
477 | load_perl (pTHX_ Coro__State c) |
542 | load_perl (pTHX_ Coro__State c) |
478 | { |
543 | { |
479 | perl_slots *slot = c->slot; |
544 | perl_slots *slot = c->slot; |
480 | c->slot = 0; |
545 | c->slot = 0; |
481 | |
546 | |
482 | PL_mainstack = c->mainstack; |
547 | PL_mainstack = c->mainstack; |
483 | |
548 | |
484 | GvSV (PL_defgv) = slot->defsv; |
549 | GvSV (PL_defgv) = slot->defsv; |
485 | GvAV (PL_defgv) = slot->defav; |
550 | GvAV (PL_defgv) = slot->defav; |
486 | GvSV (PL_errgv) = slot->errsv; |
551 | GvSV (PL_errgv) = slot->errsv; |
487 | GvSV (irsgv) = slot->irsgv; |
552 | GvSV (irsgv) = slot->irsgv; |
|
|
553 | GvHV (PL_hintgv) = slot->hinthv; |
488 | |
554 | |
489 | #define VAR(name,type) PL_ ## name = slot->name; |
555 | #define VAR(name,type) PL_ ## name = slot->name; |
490 | # include "state.h" |
556 | # include "state.h" |
491 | #undef VAR |
557 | #undef VAR |
492 | |
558 | |
… | |
… | |
505 | |
571 | |
506 | PUTBACK; |
572 | PUTBACK; |
507 | } |
573 | } |
508 | |
574 | |
509 | slf_frame = c->slf_frame; |
575 | slf_frame = c->slf_frame; |
510 | coro_throw = c->throw; |
576 | CORO_THROW = c->except; |
|
|
577 | |
|
|
578 | if (expect_false (c->on_enter)) |
|
|
579 | { |
|
|
580 | int i; |
|
|
581 | |
|
|
582 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
583 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
|
|
584 | } |
511 | } |
585 | } |
512 | |
586 | |
513 | static void |
587 | static void |
514 | save_perl (pTHX_ Coro__State c) |
588 | save_perl (pTHX_ Coro__State c) |
515 | { |
589 | { |
516 | c->throw = coro_throw; |
590 | if (expect_false (c->on_leave)) |
|
|
591 | { |
|
|
592 | int i; |
|
|
593 | |
|
|
594 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
595 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
596 | } |
|
|
597 | |
|
|
598 | c->except = CORO_THROW; |
517 | c->slf_frame = slf_frame; |
599 | c->slf_frame = slf_frame; |
518 | |
600 | |
519 | { |
601 | { |
520 | dSP; |
602 | dSP; |
521 | I32 cxix = cxstack_ix; |
603 | I32 cxix = cxstack_ix; |
… | |
… | |
578 | c->mainstack = PL_mainstack; |
660 | c->mainstack = PL_mainstack; |
579 | |
661 | |
580 | { |
662 | { |
581 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
663 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
582 | |
664 | |
583 | slot->defav = GvAV (PL_defgv); |
665 | slot->defav = GvAV (PL_defgv); |
584 | slot->defsv = DEFSV; |
666 | slot->defsv = DEFSV; |
585 | slot->errsv = ERRSV; |
667 | slot->errsv = ERRSV; |
586 | slot->irsgv = GvSV (irsgv); |
668 | slot->irsgv = GvSV (irsgv); |
|
|
669 | slot->hinthv = GvHV (PL_hintgv); |
587 | |
670 | |
588 | #define VAR(name,type) slot->name = PL_ ## name; |
671 | #define VAR(name,type) slot->name = PL_ ## name; |
589 | # include "state.h" |
672 | # include "state.h" |
590 | #undef VAR |
673 | #undef VAR |
591 | } |
674 | } |
… | |
… | |
596 | * of perl.c:init_stacks, except that it uses less memory |
679 | * of perl.c:init_stacks, except that it uses less memory |
597 | * on the (sometimes correct) assumption that coroutines do |
680 | * on the (sometimes correct) assumption that coroutines do |
598 | * not usually need a lot of stackspace. |
681 | * not usually need a lot of stackspace. |
599 | */ |
682 | */ |
600 | #if CORO_PREFER_PERL_FUNCTIONS |
683 | #if CORO_PREFER_PERL_FUNCTIONS |
601 | # define coro_init_stacks init_stacks |
684 | # define coro_init_stacks(thx) init_stacks () |
602 | #else |
685 | #else |
603 | static void |
686 | static void |
604 | coro_init_stacks (pTHX) |
687 | coro_init_stacks (pTHX) |
605 | { |
688 | { |
606 | PL_curstackinfo = new_stackinfo(32, 8); |
689 | PL_curstackinfo = new_stackinfo(32, 8); |
… | |
… | |
669 | #if !PERL_VERSION_ATLEAST (5,10,0) |
752 | #if !PERL_VERSION_ATLEAST (5,10,0) |
670 | Safefree (PL_retstack); |
753 | Safefree (PL_retstack); |
671 | #endif |
754 | #endif |
672 | } |
755 | } |
673 | |
756 | |
|
|
757 | #define CORO_RSS \ |
|
|
758 | rss += sizeof (SYM (curstackinfo)); \ |
|
|
759 | rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \ |
|
|
760 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \ |
|
|
761 | rss += SYM (tmps_max) * sizeof (SV *); \ |
|
|
762 | rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \ |
|
|
763 | rss += SYM (scopestack_max) * sizeof (I32); \ |
|
|
764 | rss += SYM (savestack_max) * sizeof (ANY); |
|
|
765 | |
674 | static size_t |
766 | static size_t |
675 | coro_rss (pTHX_ struct coro *coro) |
767 | coro_rss (pTHX_ struct coro *coro) |
676 | { |
768 | { |
677 | size_t rss = sizeof (*coro); |
769 | size_t rss = sizeof (*coro); |
678 | |
770 | |
679 | if (coro->mainstack) |
771 | if (coro->mainstack) |
680 | { |
772 | { |
681 | perl_slots tmp_slot; |
|
|
682 | perl_slots *slot; |
|
|
683 | |
|
|
684 | if (coro->flags & CF_RUNNING) |
773 | if (coro->flags & CF_RUNNING) |
685 | { |
774 | { |
686 | slot = &tmp_slot; |
775 | #define SYM(sym) PL_ ## sym |
687 | |
776 | CORO_RSS; |
688 | #define VAR(name,type) slot->name = PL_ ## name; |
|
|
689 | # include "state.h" |
|
|
690 | #undef VAR |
777 | #undef SYM |
691 | } |
778 | } |
692 | else |
779 | else |
693 | slot = coro->slot; |
|
|
694 | |
|
|
695 | if (slot) |
|
|
696 | { |
780 | { |
697 | rss += sizeof (slot->curstackinfo); |
781 | #define SYM(sym) coro->slot->sym |
698 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
782 | CORO_RSS; |
699 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
783 | #undef SYM |
700 | rss += slot->tmps_max * sizeof (SV *); |
|
|
701 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
|
|
702 | rss += slot->scopestack_max * sizeof (I32); |
|
|
703 | rss += slot->savestack_max * sizeof (ANY); |
|
|
704 | |
|
|
705 | #if !PERL_VERSION_ATLEAST (5,10,0) |
|
|
706 | rss += slot->retstack_max * sizeof (OP *); |
|
|
707 | #endif |
|
|
708 | } |
784 | } |
709 | } |
785 | } |
710 | |
786 | |
711 | return rss; |
787 | return rss; |
712 | } |
788 | } |
… | |
… | |
725 | #endif |
801 | #endif |
726 | |
802 | |
727 | /* |
803 | /* |
728 | * This overrides the default magic get method of %SIG elements. |
804 | * This overrides the default magic get method of %SIG elements. |
729 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
805 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
730 | * and instead of tryign to save and restore the hash elements, we just provide |
806 | * and instead of trying to save and restore the hash elements, we just provide |
731 | * readback here. |
807 | * readback here. |
732 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
733 | * not expecting this to actually change the hook. This is a potential problem |
|
|
734 | * when a schedule happens then, but we ignore this. |
|
|
735 | */ |
808 | */ |
736 | static int |
809 | static int |
737 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
810 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
738 | { |
811 | { |
739 | const char *s = MgPV_nolen_const (mg); |
812 | const char *s = MgPV_nolen_const (mg); |
… | |
… | |
792 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
865 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
793 | |
866 | |
794 | if (svp) |
867 | if (svp) |
795 | { |
868 | { |
796 | SV *old = *svp; |
869 | SV *old = *svp; |
797 | *svp = newSVsv (sv); |
870 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
798 | SvREFCNT_dec (old); |
871 | SvREFCNT_dec (old); |
799 | return 0; |
872 | return 0; |
800 | } |
873 | } |
801 | } |
874 | } |
802 | |
875 | |
… | |
… | |
813 | static int |
886 | static int |
814 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
887 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
815 | { |
888 | { |
816 | return 0; |
889 | return 0; |
817 | } |
890 | } |
|
|
891 | |
|
|
892 | static int |
|
|
893 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
|
|
894 | { |
|
|
895 | return 1; |
|
|
896 | } |
|
|
897 | |
|
|
898 | static UNOP coro_setup_op; |
818 | |
899 | |
819 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
900 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
820 | coro_setup (pTHX_ struct coro *coro) |
901 | coro_setup (pTHX_ struct coro *coro) |
821 | { |
902 | { |
822 | /* |
903 | /* |
… | |
… | |
826 | |
907 | |
827 | PL_runops = RUNOPS_DEFAULT; |
908 | PL_runops = RUNOPS_DEFAULT; |
828 | PL_curcop = &PL_compiling; |
909 | PL_curcop = &PL_compiling; |
829 | PL_in_eval = EVAL_NULL; |
910 | PL_in_eval = EVAL_NULL; |
830 | PL_comppad = 0; |
911 | PL_comppad = 0; |
|
|
912 | PL_comppad_name = 0; |
|
|
913 | PL_comppad_name_fill = 0; |
|
|
914 | PL_comppad_name_floor = 0; |
831 | PL_curpm = 0; |
915 | PL_curpm = 0; |
832 | PL_curpad = 0; |
916 | PL_curpad = 0; |
833 | PL_localizing = 0; |
917 | PL_localizing = 0; |
834 | PL_dirty = 0; |
918 | PL_dirty = 0; |
835 | PL_restartop = 0; |
919 | PL_restartop = 0; |
836 | #if PERL_VERSION_ATLEAST (5,10,0) |
920 | #if PERL_VERSION_ATLEAST (5,10,0) |
837 | PL_parser = 0; |
921 | PL_parser = 0; |
838 | #endif |
922 | #endif |
|
|
923 | PL_hints = 0; |
839 | |
924 | |
840 | /* recreate the die/warn hooks */ |
925 | /* recreate the die/warn hooks */ |
841 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
926 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
842 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
927 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
843 | |
928 | |
844 | GvSV (PL_defgv) = newSV (0); |
929 | GvSV (PL_defgv) = newSV (0); |
845 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
930 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
846 | GvSV (PL_errgv) = newSV (0); |
931 | GvSV (PL_errgv) = newSV (0); |
847 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
932 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
933 | GvHV (PL_hintgv) = 0; |
848 | PL_rs = newSVsv (GvSV (irsgv)); |
934 | PL_rs = newSVsv (GvSV (irsgv)); |
849 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
935 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
850 | |
936 | |
851 | { |
937 | { |
852 | dSP; |
938 | dSP; |
853 | UNOP myop; |
939 | UNOP myop; |
854 | |
940 | |
855 | Zero (&myop, 1, UNOP); |
941 | Zero (&myop, 1, UNOP); |
856 | myop.op_next = Nullop; |
942 | myop.op_next = Nullop; |
|
|
943 | myop.op_type = OP_ENTERSUB; |
857 | myop.op_flags = OPf_WANT_VOID; |
944 | myop.op_flags = OPf_WANT_VOID; |
858 | |
945 | |
859 | PUSHMARK (SP); |
946 | PUSHMARK (SP); |
860 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
947 | PUSHs ((SV *)coro->startcv); |
861 | PUTBACK; |
948 | PUTBACK; |
862 | PL_op = (OP *)&myop; |
949 | PL_op = (OP *)&myop; |
863 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
950 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
864 | SPAGAIN; |
|
|
865 | } |
951 | } |
866 | |
952 | |
867 | /* this newly created coroutine might be run on an existing cctx which most |
953 | /* this newly created coroutine might be run on an existing cctx which most |
868 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
954 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
869 | */ |
955 | */ |
870 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
956 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
871 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
957 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
872 | |
958 | |
873 | coro_throw = coro->throw; |
959 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
874 | } |
960 | coro_setup_op.op_next = PL_op; |
|
|
961 | coro_setup_op.op_type = OP_ENTERSUB; |
|
|
962 | coro_setup_op.op_ppaddr = pp_slf; |
|
|
963 | /* no flags etc. required, as an init function won't be called */ |
875 | |
964 | |
|
|
965 | PL_op = (OP *)&coro_setup_op; |
|
|
966 | |
|
|
967 | /* copy throw, in case it was set before coro_setup */ |
|
|
968 | CORO_THROW = coro->except; |
|
|
969 | } |
|
|
970 | |
876 | static void |
971 | static void |
877 | coro_destruct (pTHX_ struct coro *coro) |
972 | coro_unwind_stacks (pTHX) |
878 | { |
973 | { |
879 | if (!IN_DESTRUCT) |
974 | if (!IN_DESTRUCT) |
880 | { |
975 | { |
881 | /* restore all saved variables and stuff */ |
976 | /* restore all saved variables and stuff */ |
882 | LEAVE_SCOPE (0); |
977 | LEAVE_SCOPE (0); |
… | |
… | |
890 | POPSTACK_TO (PL_mainstack); |
985 | POPSTACK_TO (PL_mainstack); |
891 | |
986 | |
892 | /* unwind main stack */ |
987 | /* unwind main stack */ |
893 | dounwind (-1); |
988 | dounwind (-1); |
894 | } |
989 | } |
|
|
990 | } |
|
|
991 | |
|
|
992 | static void |
|
|
993 | coro_destruct_perl (pTHX_ struct coro *coro) |
|
|
994 | { |
|
|
995 | coro_unwind_stacks (aTHX); |
895 | |
996 | |
896 | SvREFCNT_dec (GvSV (PL_defgv)); |
997 | SvREFCNT_dec (GvSV (PL_defgv)); |
897 | SvREFCNT_dec (GvAV (PL_defgv)); |
998 | SvREFCNT_dec (GvAV (PL_defgv)); |
898 | SvREFCNT_dec (GvSV (PL_errgv)); |
999 | SvREFCNT_dec (GvSV (PL_errgv)); |
899 | SvREFCNT_dec (PL_defoutgv); |
1000 | SvREFCNT_dec (PL_defoutgv); |
900 | SvREFCNT_dec (PL_rs); |
1001 | SvREFCNT_dec (PL_rs); |
901 | SvREFCNT_dec (GvSV (irsgv)); |
1002 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
1003 | SvREFCNT_dec (GvHV (PL_hintgv)); |
902 | |
1004 | |
903 | SvREFCNT_dec (PL_diehook); |
1005 | SvREFCNT_dec (PL_diehook); |
904 | SvREFCNT_dec (PL_warnhook); |
1006 | SvREFCNT_dec (PL_warnhook); |
905 | |
1007 | |
906 | SvREFCNT_dec (coro->saved_deffh); |
1008 | SvREFCNT_dec (coro->saved_deffh); |
907 | SvREFCNT_dec (coro_throw); |
1009 | SvREFCNT_dec (coro->rouse_cb); |
|
|
1010 | SvREFCNT_dec (coro->invoke_cb); |
|
|
1011 | SvREFCNT_dec (coro->invoke_av); |
908 | |
1012 | |
909 | coro_destruct_stacks (aTHX); |
1013 | coro_destruct_stacks (aTHX); |
910 | } |
1014 | } |
911 | |
1015 | |
912 | INLINE void |
1016 | INLINE void |
… | |
… | |
922 | static int |
1026 | static int |
923 | runops_trace (pTHX) |
1027 | runops_trace (pTHX) |
924 | { |
1028 | { |
925 | COP *oldcop = 0; |
1029 | COP *oldcop = 0; |
926 | int oldcxix = -2; |
1030 | int oldcxix = -2; |
927 | struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */ |
|
|
928 | coro_cctx *cctx = coro->cctx; |
|
|
929 | |
1031 | |
930 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
1032 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
931 | { |
1033 | { |
932 | PERL_ASYNC_CHECK (); |
1034 | PERL_ASYNC_CHECK (); |
933 | |
1035 | |
934 | if (cctx->flags & CC_TRACE_ALL) |
1036 | if (cctx_current->flags & CC_TRACE_ALL) |
935 | { |
1037 | { |
936 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
1038 | if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB) |
937 | { |
1039 | { |
938 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1040 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
939 | SV **bot, **top; |
1041 | SV **bot, **top; |
940 | AV *av = newAV (); /* return values */ |
1042 | AV *av = newAV (); /* return values */ |
941 | SV **cb; |
1043 | SV **cb; |
… | |
… | |
978 | |
1080 | |
979 | if (PL_curcop != &PL_compiling) |
1081 | if (PL_curcop != &PL_compiling) |
980 | { |
1082 | { |
981 | SV **cb; |
1083 | SV **cb; |
982 | |
1084 | |
983 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
1085 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
984 | { |
1086 | { |
985 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1087 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
986 | |
1088 | |
987 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1089 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
988 | { |
1090 | { |
989 | runops_proc_t old_runops = PL_runops; |
|
|
990 | dSP; |
1091 | dSP; |
991 | GV *gv = CvGV (cx->blk_sub.cv); |
1092 | GV *gv = CvGV (cx->blk_sub.cv); |
992 | SV *fullname = sv_2mortal (newSV (0)); |
1093 | SV *fullname = sv_2mortal (newSV (0)); |
993 | |
1094 | |
994 | if (isGV (gv)) |
1095 | if (isGV (gv)) |
… | |
… | |
999 | SAVETMPS; |
1100 | SAVETMPS; |
1000 | EXTEND (SP, 3); |
1101 | EXTEND (SP, 3); |
1001 | PUSHMARK (SP); |
1102 | PUSHMARK (SP); |
1002 | PUSHs (&PL_sv_yes); |
1103 | PUSHs (&PL_sv_yes); |
1003 | PUSHs (fullname); |
1104 | PUSHs (fullname); |
1004 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1105 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1005 | PUTBACK; |
1106 | PUTBACK; |
1006 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1107 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1007 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1108 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1008 | SPAGAIN; |
1109 | SPAGAIN; |
1009 | FREETMPS; |
1110 | FREETMPS; |
… | |
… | |
1012 | } |
1113 | } |
1013 | |
1114 | |
1014 | oldcxix = cxstack_ix; |
1115 | oldcxix = cxstack_ix; |
1015 | } |
1116 | } |
1016 | |
1117 | |
1017 | if (cctx->flags & CC_TRACE_LINE) |
1118 | if (cctx_current->flags & CC_TRACE_LINE) |
1018 | { |
1119 | { |
1019 | dSP; |
1120 | dSP; |
1020 | |
1121 | |
1021 | PL_runops = RUNOPS_DEFAULT; |
1122 | PL_runops = RUNOPS_DEFAULT; |
1022 | ENTER; |
1123 | ENTER; |
… | |
… | |
1041 | |
1142 | |
1042 | TAINT_NOT; |
1143 | TAINT_NOT; |
1043 | return 0; |
1144 | return 0; |
1044 | } |
1145 | } |
1045 | |
1146 | |
|
|
1147 | static struct CoroSLF cctx_ssl_frame; |
|
|
1148 | |
1046 | static void |
1149 | static void |
1047 | prepare_set_stacklevel (struct coro_transfer_args *ta, struct coro_cctx *cctx) |
1150 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1048 | { |
1151 | { |
1049 | ta->prev = (struct coro *)cctx; |
|
|
1050 | ta->next = 0; |
1152 | ta->prev = 0; |
1051 | } |
1153 | } |
1052 | |
1154 | |
1053 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
1155 | static int |
1054 | /* _cctx_init should be careful, as it could be called at almost any time */ |
1156 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1055 | /* during execution of a perl program */ |
1157 | { |
1056 | /* also initialises PL_top_env */ |
1158 | *frame = cctx_ssl_frame; |
|
|
1159 | |
|
|
1160 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
|
|
1161 | } |
|
|
1162 | |
|
|
1163 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1057 | static void NOINLINE |
1164 | static void NOINLINE |
1058 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1165 | cctx_prepare (pTHX) |
1059 | { |
1166 | { |
1060 | dSP; |
|
|
1061 | UNOP myop; |
|
|
1062 | |
|
|
1063 | PL_top_env = &PL_start_env; |
1167 | PL_top_env = &PL_start_env; |
1064 | |
1168 | |
1065 | if (cctx->flags & CC_TRACE) |
1169 | if (cctx_current->flags & CC_TRACE) |
1066 | PL_runops = runops_trace; |
1170 | PL_runops = runops_trace; |
1067 | |
1171 | |
1068 | Zero (&myop, 1, UNOP); |
1172 | /* we already must be executing an SLF op, there is no other valid way |
1069 | myop.op_next = PL_op; |
1173 | * that can lead to creation of a new cctx */ |
1070 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
1174 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
|
|
1175 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1071 | |
1176 | |
1072 | PUSHMARK (SP); |
1177 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1073 | EXTEND (SP, 2); |
1178 | cctx_ssl_frame = slf_frame; |
1074 | PUSHs (sv_2mortal (newSViv ((IV)cctx))); |
1179 | |
1075 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
1180 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1076 | PUTBACK; |
1181 | slf_frame.check = slf_check_set_stacklevel; |
1077 | PL_op = (OP *)&myop; |
|
|
1078 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
1079 | SPAGAIN; |
|
|
1080 | } |
1182 | } |
1081 | |
1183 | |
1082 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1184 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1083 | INLINE void |
1185 | INLINE void |
1084 | transfer_tail (pTHX) |
1186 | transfer_tail (pTHX) |
… | |
… | |
1103 | /* normally we would need to skip the entersub here */ |
1205 | /* normally we would need to skip the entersub here */ |
1104 | /* not doing so will re-execute it, which is exactly what we want */ |
1206 | /* not doing so will re-execute it, which is exactly what we want */ |
1105 | /* PL_nop = PL_nop->op_next */ |
1207 | /* PL_nop = PL_nop->op_next */ |
1106 | |
1208 | |
1107 | /* inject a fake subroutine call to cctx_init */ |
1209 | /* inject a fake subroutine call to cctx_init */ |
1108 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1210 | cctx_prepare (aTHX); |
1109 | |
1211 | |
1110 | /* cctx_run is the alternative tail of transfer() */ |
1212 | /* cctx_run is the alternative tail of transfer() */ |
1111 | transfer_tail (aTHX); |
1213 | transfer_tail (aTHX); |
1112 | |
1214 | |
1113 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1215 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1114 | PL_restartop = PL_op; |
1216 | PL_restartop = PL_op; |
1115 | perl_run (PL_curinterp); |
1217 | perl_run (PL_curinterp); |
|
|
1218 | /* |
|
|
1219 | * Unfortunately, there is no way to get at the return values of the |
|
|
1220 | * coro body here, as perl_run destroys these |
|
|
1221 | */ |
1116 | |
1222 | |
1117 | /* |
1223 | /* |
1118 | * If perl-run returns we assume exit() was being called or the coro |
1224 | * If perl-run returns we assume exit() was being called or the coro |
1119 | * fell off the end, which seems to be the only valid (non-bug) |
1225 | * fell off the end, which seems to be the only valid (non-bug) |
1120 | * reason for perl_run to return. We try to exit by jumping to the |
1226 | * reason for perl_run to return. We try to exit by jumping to the |
1121 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1227 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1122 | * coroutine as Coro has no such concept |
1228 | * coroutine as Coro has no such concept. |
|
|
1229 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1230 | * that backend are too broken to do it in a standards-compliant way. |
1123 | */ |
1231 | */ |
1124 | PL_top_env = main_top_env; |
1232 | PL_top_env = main_top_env; |
1125 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1233 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1126 | } |
1234 | } |
1127 | } |
1235 | } |
… | |
… | |
1204 | cctx_destroy (coro_cctx *cctx) |
1312 | cctx_destroy (coro_cctx *cctx) |
1205 | { |
1313 | { |
1206 | if (!cctx) |
1314 | if (!cctx) |
1207 | return; |
1315 | return; |
1208 | |
1316 | |
|
|
1317 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
|
|
1318 | |
1209 | --cctx_count; |
1319 | --cctx_count; |
1210 | coro_destroy (&cctx->cctx); |
1320 | coro_destroy (&cctx->cctx); |
1211 | |
1321 | |
1212 | /* coro_transfer creates new, empty cctx's */ |
1322 | /* coro_transfer creates new, empty cctx's */ |
1213 | if (cctx->sptr) |
1323 | if (cctx->sptr) |
… | |
… | |
1276 | /* TODO: throwing up here is considered harmful */ |
1386 | /* TODO: throwing up here is considered harmful */ |
1277 | |
1387 | |
1278 | if (expect_true (prev != next)) |
1388 | if (expect_true (prev != next)) |
1279 | { |
1389 | { |
1280 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1390 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1281 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,"); |
1391 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1282 | |
1392 | |
1283 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1284 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1285 | |
|
|
1286 | if (expect_false (next->flags & CF_DESTROYED)) |
1393 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1287 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1394 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1288 | |
1395 | |
1289 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1396 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1290 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1397 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1291 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1398 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1292 | #endif |
1399 | #endif |
… | |
… | |
1298 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1405 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1299 | { |
1406 | { |
1300 | dSTACKLEVEL; |
1407 | dSTACKLEVEL; |
1301 | |
1408 | |
1302 | /* sometimes transfer is only called to set idle_sp */ |
1409 | /* sometimes transfer is only called to set idle_sp */ |
1303 | if (expect_false (!next)) |
1410 | if (expect_false (!prev)) |
1304 | { |
1411 | { |
1305 | ((coro_cctx *)prev)->idle_sp = (void *)stacklevel; |
1412 | cctx_current->idle_sp = STACKLEVEL; |
1306 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1413 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1307 | } |
1414 | } |
1308 | else if (expect_true (prev != next)) |
1415 | else if (expect_true (prev != next)) |
1309 | { |
1416 | { |
1310 | coro_cctx *prev__cctx; |
1417 | coro_cctx *cctx_prev; |
1311 | |
1418 | |
1312 | if (expect_false (prev->flags & CF_NEW)) |
1419 | if (expect_false (prev->flags & CF_NEW)) |
1313 | { |
1420 | { |
1314 | /* create a new empty/source context */ |
1421 | /* create a new empty/source context */ |
1315 | prev->cctx = cctx_new_empty (); |
|
|
1316 | prev->flags &= ~CF_NEW; |
1422 | prev->flags &= ~CF_NEW; |
1317 | prev->flags |= CF_RUNNING; |
1423 | prev->flags |= CF_RUNNING; |
1318 | } |
1424 | } |
1319 | |
1425 | |
1320 | prev->flags &= ~CF_RUNNING; |
1426 | prev->flags &= ~CF_RUNNING; |
… | |
… | |
1331 | coro_setup (aTHX_ next); |
1437 | coro_setup (aTHX_ next); |
1332 | } |
1438 | } |
1333 | else |
1439 | else |
1334 | load_perl (aTHX_ next); |
1440 | load_perl (aTHX_ next); |
1335 | |
1441 | |
1336 | prev__cctx = prev->cctx; |
|
|
1337 | |
|
|
1338 | /* possibly untie and reuse the cctx */ |
1442 | /* possibly untie and reuse the cctx */ |
1339 | if (expect_true ( |
1443 | if (expect_true ( |
1340 | prev__cctx->idle_sp == (void *)stacklevel |
1444 | cctx_current->idle_sp == STACKLEVEL |
1341 | && !(prev__cctx->flags & CC_TRACE) |
1445 | && !(cctx_current->flags & CC_TRACE) |
1342 | && !force_cctx |
1446 | && !force_cctx |
1343 | )) |
1447 | )) |
1344 | { |
1448 | { |
1345 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1449 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1346 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1450 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1347 | |
1451 | |
1348 | prev->cctx = 0; |
|
|
1349 | |
|
|
1350 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1452 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1351 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1453 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1352 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1454 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1353 | if (!next->cctx) |
1455 | if (expect_true (!next->cctx)) |
1354 | next->cctx = cctx_get (aTHX); |
1456 | next->cctx = cctx_get (aTHX); |
1355 | |
1457 | |
1356 | cctx_put (prev__cctx); |
1458 | cctx_put (cctx_current); |
1357 | } |
1459 | } |
|
|
1460 | else |
|
|
1461 | prev->cctx = cctx_current; |
1358 | |
1462 | |
1359 | ++next->usecount; |
1463 | ++next->usecount; |
1360 | |
1464 | |
1361 | if (expect_true (!next->cctx)) |
1465 | cctx_prev = cctx_current; |
1362 | next->cctx = cctx_get (aTHX); |
1466 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1363 | |
1467 | |
1364 | if (expect_false (prev__cctx != next->cctx)) |
1468 | next->cctx = 0; |
|
|
1469 | |
|
|
1470 | if (expect_false (cctx_prev != cctx_current)) |
1365 | { |
1471 | { |
1366 | prev__cctx->top_env = PL_top_env; |
1472 | cctx_prev->top_env = PL_top_env; |
1367 | PL_top_env = next->cctx->top_env; |
1473 | PL_top_env = cctx_current->top_env; |
1368 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1474 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1369 | } |
1475 | } |
1370 | |
1476 | |
1371 | transfer_tail (aTHX); |
1477 | transfer_tail (aTHX); |
1372 | } |
1478 | } |
1373 | } |
1479 | } |
… | |
… | |
1381 | coro_state_destroy (pTHX_ struct coro *coro) |
1487 | coro_state_destroy (pTHX_ struct coro *coro) |
1382 | { |
1488 | { |
1383 | if (coro->flags & CF_DESTROYED) |
1489 | if (coro->flags & CF_DESTROYED) |
1384 | return 0; |
1490 | return 0; |
1385 | |
1491 | |
1386 | if (coro->on_destroy) |
1492 | if (coro->on_destroy && !PL_dirty) |
1387 | coro->on_destroy (aTHX_ coro); |
1493 | coro->on_destroy (aTHX_ coro); |
1388 | |
1494 | |
1389 | coro->flags |= CF_DESTROYED; |
1495 | coro->flags |= CF_DESTROYED; |
1390 | |
1496 | |
1391 | if (coro->flags & CF_READY) |
1497 | if (coro->flags & CF_READY) |
… | |
… | |
1395 | --coro_nready; |
1501 | --coro_nready; |
1396 | } |
1502 | } |
1397 | else |
1503 | else |
1398 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1504 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1399 | |
1505 | |
1400 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1506 | if (coro->mainstack |
|
|
1507 | && coro->mainstack != main_mainstack |
|
|
1508 | && coro->slot |
|
|
1509 | && !PL_dirty) |
1401 | { |
1510 | { |
1402 | struct coro temp; |
1511 | struct coro *current = SvSTATE_current; |
1403 | |
1512 | |
1404 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
1513 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1405 | |
1514 | |
1406 | save_perl (aTHX_ &temp); |
1515 | save_perl (aTHX_ current); |
1407 | load_perl (aTHX_ coro); |
1516 | load_perl (aTHX_ coro); |
1408 | |
1517 | |
1409 | coro_destruct (aTHX_ coro); |
1518 | coro_destruct_perl (aTHX_ coro); |
1410 | |
1519 | |
1411 | load_perl (aTHX_ &temp); |
1520 | load_perl (aTHX_ current); |
1412 | |
1521 | |
1413 | coro->slot = 0; |
1522 | coro->slot = 0; |
1414 | } |
1523 | } |
1415 | |
1524 | |
1416 | cctx_destroy (coro->cctx); |
1525 | cctx_destroy (coro->cctx); |
|
|
1526 | SvREFCNT_dec (coro->startcv); |
1417 | SvREFCNT_dec (coro->args); |
1527 | SvREFCNT_dec (coro->args); |
|
|
1528 | SvREFCNT_dec (CORO_THROW); |
1418 | |
1529 | |
1419 | if (coro->next) coro->next->prev = coro->prev; |
1530 | if (coro->next) coro->next->prev = coro->prev; |
1420 | if (coro->prev) coro->prev->next = coro->next; |
1531 | if (coro->prev) coro->prev->next = coro->next; |
1421 | if (coro == coro_first) coro_first = coro->next; |
1532 | if (coro == coro_first) coro_first = coro->next; |
1422 | |
1533 | |
… | |
… | |
1476 | |
1587 | |
1477 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1588 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1478 | TRANSFER (ta, 1); |
1589 | TRANSFER (ta, 1); |
1479 | } |
1590 | } |
1480 | |
1591 | |
|
|
1592 | /*****************************************************************************/ |
|
|
1593 | /* gensub: simple closure generation utility */ |
|
|
1594 | |
|
|
1595 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1596 | |
|
|
1597 | /* create a closure from XS, returns a code reference */ |
|
|
1598 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1599 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1600 | static SV * |
|
|
1601 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1602 | { |
|
|
1603 | CV *cv = (CV *)newSV (0); |
|
|
1604 | |
|
|
1605 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1606 | |
|
|
1607 | CvANON_on (cv); |
|
|
1608 | CvISXSUB_on (cv); |
|
|
1609 | CvXSUB (cv) = xsub; |
|
|
1610 | GENSUB_ARG = arg; |
|
|
1611 | |
|
|
1612 | return newRV_noinc ((SV *)cv); |
|
|
1613 | } |
|
|
1614 | |
1481 | /** Coro ********************************************************************/ |
1615 | /** Coro ********************************************************************/ |
1482 | |
1616 | |
1483 | INLINE void |
1617 | INLINE void |
1484 | coro_enq (pTHX_ struct coro *coro) |
1618 | coro_enq (pTHX_ struct coro *coro) |
1485 | { |
1619 | { |
1486 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1620 | struct coro **ready = coro_ready [coro->prio - PRIO_MIN]; |
1487 | } |
|
|
1488 | |
1621 | |
1489 | INLINE SV * |
1622 | SvREFCNT_inc_NN (coro->hv); |
|
|
1623 | |
|
|
1624 | coro->next_ready = 0; |
|
|
1625 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1626 | ready [1] = coro; |
|
|
1627 | } |
|
|
1628 | |
|
|
1629 | INLINE struct coro * |
1490 | coro_deq (pTHX) |
1630 | coro_deq (pTHX) |
1491 | { |
1631 | { |
1492 | int prio; |
1632 | int prio; |
1493 | |
1633 | |
1494 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1634 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1495 | if (AvFILLp (coro_ready [prio]) >= 0) |
1635 | { |
1496 | return av_shift (coro_ready [prio]); |
1636 | struct coro **ready = coro_ready [prio]; |
1497 | |
1637 | |
1498 | return 0; |
1638 | if (ready [0]) |
|
|
1639 | { |
|
|
1640 | struct coro *coro = ready [0]; |
|
|
1641 | ready [0] = coro->next_ready; |
|
|
1642 | return coro; |
|
|
1643 | } |
|
|
1644 | } |
1499 | } |
1645 | } |
1500 | |
1646 | |
1501 | static int |
1647 | static int |
1502 | api_ready (pTHX_ SV *coro_sv) |
1648 | api_ready (pTHX_ SV *coro_sv) |
1503 | { |
1649 | { |
1504 | struct coro *coro; |
1650 | struct coro *coro; |
1505 | SV *sv_hook; |
1651 | SV *sv_hook; |
1506 | void (*xs_hook)(void); |
1652 | void (*xs_hook)(void); |
1507 | |
1653 | |
1508 | if (SvROK (coro_sv)) |
|
|
1509 | coro_sv = SvRV (coro_sv); |
|
|
1510 | |
|
|
1511 | coro = SvSTATE (coro_sv); |
1654 | coro = SvSTATE (coro_sv); |
1512 | |
1655 | |
1513 | if (coro->flags & CF_READY) |
1656 | if (coro->flags & CF_READY) |
1514 | return 0; |
1657 | return 0; |
1515 | |
1658 | |
… | |
… | |
1528 | ENTER; |
1671 | ENTER; |
1529 | SAVETMPS; |
1672 | SAVETMPS; |
1530 | |
1673 | |
1531 | PUSHMARK (SP); |
1674 | PUSHMARK (SP); |
1532 | PUTBACK; |
1675 | PUTBACK; |
1533 | call_sv (sv_hook, G_DISCARD); |
1676 | call_sv (sv_hook, G_VOID | G_DISCARD); |
1534 | SPAGAIN; |
|
|
1535 | |
1677 | |
1536 | FREETMPS; |
1678 | FREETMPS; |
1537 | LEAVE; |
1679 | LEAVE; |
1538 | } |
1680 | } |
1539 | |
1681 | |
… | |
… | |
1547 | api_is_ready (pTHX_ SV *coro_sv) |
1689 | api_is_ready (pTHX_ SV *coro_sv) |
1548 | { |
1690 | { |
1549 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1691 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1550 | } |
1692 | } |
1551 | |
1693 | |
|
|
1694 | /* expects to own a reference to next->hv */ |
1552 | INLINE void |
1695 | INLINE void |
1553 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1696 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1554 | { |
1697 | { |
1555 | SV *prev_sv, *next_sv; |
|
|
1556 | |
|
|
1557 | for (;;) |
|
|
1558 | { |
|
|
1559 | next_sv = coro_deq (aTHX); |
|
|
1560 | |
|
|
1561 | /* nothing to schedule: call the idle handler */ |
|
|
1562 | if (expect_false (!next_sv)) |
|
|
1563 | { |
|
|
1564 | dSP; |
|
|
1565 | |
|
|
1566 | ENTER; |
|
|
1567 | SAVETMPS; |
|
|
1568 | |
|
|
1569 | PUSHMARK (SP); |
|
|
1570 | PUTBACK; |
|
|
1571 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
|
|
1572 | SPAGAIN; |
|
|
1573 | |
|
|
1574 | FREETMPS; |
|
|
1575 | LEAVE; |
|
|
1576 | continue; |
|
|
1577 | } |
|
|
1578 | |
|
|
1579 | ta->next = SvSTATE_hv (next_sv); |
|
|
1580 | |
|
|
1581 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1582 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
|
|
1583 | { |
|
|
1584 | SvREFCNT_dec (next_sv); |
|
|
1585 | /* coro_nready has already been taken care of by destroy */ |
|
|
1586 | continue; |
|
|
1587 | } |
|
|
1588 | |
|
|
1589 | --coro_nready; |
|
|
1590 | break; |
|
|
1591 | } |
|
|
1592 | |
|
|
1593 | /* free this only after the transfer */ |
|
|
1594 | prev_sv = SvRV (coro_current); |
1698 | SV *prev_sv = SvRV (coro_current); |
|
|
1699 | |
1595 | ta->prev = SvSTATE_hv (prev_sv); |
1700 | ta->prev = SvSTATE_hv (prev_sv); |
|
|
1701 | ta->next = next; |
|
|
1702 | |
1596 | TRANSFER_CHECK (*ta); |
1703 | TRANSFER_CHECK (*ta); |
1597 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
1704 | |
1598 | ta->next->flags &= ~CF_READY; |
|
|
1599 | SvRV_set (coro_current, next_sv); |
1705 | SvRV_set (coro_current, (SV *)next->hv); |
1600 | |
1706 | |
1601 | free_coro_mortal (aTHX); |
1707 | free_coro_mortal (aTHX); |
1602 | coro_mortal = prev_sv; |
1708 | coro_mortal = prev_sv; |
1603 | } |
1709 | } |
1604 | |
1710 | |
|
|
1711 | static void |
|
|
1712 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
|
|
1713 | { |
|
|
1714 | for (;;) |
|
|
1715 | { |
|
|
1716 | struct coro *next = coro_deq (aTHX); |
|
|
1717 | |
|
|
1718 | if (expect_true (next)) |
|
|
1719 | { |
|
|
1720 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1721 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
|
|
1722 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
|
|
1723 | else |
|
|
1724 | { |
|
|
1725 | next->flags &= ~CF_READY; |
|
|
1726 | --coro_nready; |
|
|
1727 | |
|
|
1728 | prepare_schedule_to (aTHX_ ta, next); |
|
|
1729 | break; |
|
|
1730 | } |
|
|
1731 | } |
|
|
1732 | else |
|
|
1733 | { |
|
|
1734 | /* nothing to schedule: call the idle handler */ |
|
|
1735 | if (SvROK (sv_idle) |
|
|
1736 | && SvOBJECT (SvRV (sv_idle))) |
|
|
1737 | { |
|
|
1738 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
|
|
1739 | api_ready (aTHX_ SvRV (sv_idle)); |
|
|
1740 | --coro_nready; |
|
|
1741 | } |
|
|
1742 | else |
|
|
1743 | { |
|
|
1744 | dSP; |
|
|
1745 | |
|
|
1746 | ENTER; |
|
|
1747 | SAVETMPS; |
|
|
1748 | |
|
|
1749 | PUSHMARK (SP); |
|
|
1750 | PUTBACK; |
|
|
1751 | call_sv (sv_idle, G_VOID | G_DISCARD); |
|
|
1752 | |
|
|
1753 | FREETMPS; |
|
|
1754 | LEAVE; |
|
|
1755 | } |
|
|
1756 | } |
|
|
1757 | } |
|
|
1758 | } |
|
|
1759 | |
1605 | INLINE void |
1760 | INLINE void |
1606 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1761 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1607 | { |
1762 | { |
1608 | api_ready (aTHX_ coro_current); |
1763 | api_ready (aTHX_ coro_current); |
1609 | prepare_schedule (aTHX_ ta); |
1764 | prepare_schedule (aTHX_ ta); |
… | |
… | |
1628 | { |
1783 | { |
1629 | struct coro_transfer_args ta; |
1784 | struct coro_transfer_args ta; |
1630 | |
1785 | |
1631 | prepare_schedule (aTHX_ &ta); |
1786 | prepare_schedule (aTHX_ &ta); |
1632 | TRANSFER (ta, 1); |
1787 | TRANSFER (ta, 1); |
|
|
1788 | } |
|
|
1789 | |
|
|
1790 | static void |
|
|
1791 | api_schedule_to (pTHX_ SV *coro_sv) |
|
|
1792 | { |
|
|
1793 | struct coro_transfer_args ta; |
|
|
1794 | struct coro *next = SvSTATE (coro_sv); |
|
|
1795 | |
|
|
1796 | SvREFCNT_inc_NN (coro_sv); |
|
|
1797 | prepare_schedule_to (aTHX_ &ta, next); |
1633 | } |
1798 | } |
1634 | |
1799 | |
1635 | static int |
1800 | static int |
1636 | api_cede (pTHX) |
1801 | api_cede (pTHX) |
1637 | { |
1802 | { |
… | |
… | |
1666 | static void |
1831 | static void |
1667 | api_trace (pTHX_ SV *coro_sv, int flags) |
1832 | api_trace (pTHX_ SV *coro_sv, int flags) |
1668 | { |
1833 | { |
1669 | struct coro *coro = SvSTATE (coro_sv); |
1834 | struct coro *coro = SvSTATE (coro_sv); |
1670 | |
1835 | |
|
|
1836 | if (coro->flags & CF_RUNNING) |
|
|
1837 | croak ("cannot enable tracing on a running coroutine, caught"); |
|
|
1838 | |
1671 | if (flags & CC_TRACE) |
1839 | if (flags & CC_TRACE) |
1672 | { |
1840 | { |
1673 | if (!coro->cctx) |
1841 | if (!coro->cctx) |
1674 | coro->cctx = cctx_new_run (); |
1842 | coro->cctx = cctx_new_run (); |
1675 | else if (!(coro->cctx->flags & CC_TRACE)) |
1843 | else if (!(coro->cctx->flags & CC_TRACE)) |
1676 | croak ("cannot enable tracing on coroutine with custom stack,"); |
1844 | croak ("cannot enable tracing on coroutine with custom stack, caught"); |
1677 | |
1845 | |
1678 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1846 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1679 | } |
1847 | } |
1680 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1848 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1681 | { |
1849 | { |
… | |
… | |
1684 | if (coro->flags & CF_RUNNING) |
1852 | if (coro->flags & CF_RUNNING) |
1685 | PL_runops = RUNOPS_DEFAULT; |
1853 | PL_runops = RUNOPS_DEFAULT; |
1686 | else |
1854 | else |
1687 | coro->slot->runops = RUNOPS_DEFAULT; |
1855 | coro->slot->runops = RUNOPS_DEFAULT; |
1688 | } |
1856 | } |
|
|
1857 | } |
|
|
1858 | |
|
|
1859 | static void |
|
|
1860 | coro_call_on_destroy (pTHX_ struct coro *coro) |
|
|
1861 | { |
|
|
1862 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
|
|
1863 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1864 | |
|
|
1865 | if (on_destroyp) |
|
|
1866 | { |
|
|
1867 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1868 | |
|
|
1869 | while (AvFILLp (on_destroy) >= 0) |
|
|
1870 | { |
|
|
1871 | dSP; /* don't disturb outer sp */ |
|
|
1872 | SV *cb = av_pop (on_destroy); |
|
|
1873 | |
|
|
1874 | PUSHMARK (SP); |
|
|
1875 | |
|
|
1876 | if (statusp) |
|
|
1877 | { |
|
|
1878 | int i; |
|
|
1879 | AV *status = (AV *)SvRV (*statusp); |
|
|
1880 | EXTEND (SP, AvFILLp (status) + 1); |
|
|
1881 | |
|
|
1882 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1883 | PUSHs (AvARRAY (status)[i]); |
|
|
1884 | } |
|
|
1885 | |
|
|
1886 | PUTBACK; |
|
|
1887 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
|
|
1888 | } |
|
|
1889 | } |
|
|
1890 | } |
|
|
1891 | |
|
|
1892 | static void |
|
|
1893 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1894 | { |
|
|
1895 | int i; |
|
|
1896 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1897 | AV *av = newAV (); |
|
|
1898 | |
|
|
1899 | av_extend (av, items - 1); |
|
|
1900 | for (i = 0; i < items; ++i) |
|
|
1901 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
1902 | |
|
|
1903 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
1904 | |
|
|
1905 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
|
|
1906 | api_ready (aTHX_ sv_manager); |
|
|
1907 | |
|
|
1908 | frame->prepare = prepare_schedule; |
|
|
1909 | frame->check = slf_check_repeat; |
|
|
1910 | |
|
|
1911 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
1912 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
1913 | /*coro_unwind_stacks (aTHX);*/ |
|
|
1914 | } |
|
|
1915 | |
|
|
1916 | /*****************************************************************************/ |
|
|
1917 | /* async pool handler */ |
|
|
1918 | |
|
|
1919 | static int |
|
|
1920 | slf_check_pool_handler (pTHX_ struct CoroSLF *frame) |
|
|
1921 | { |
|
|
1922 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1923 | struct coro *coro = (struct coro *)frame->data; |
|
|
1924 | |
|
|
1925 | if (!coro->invoke_cb) |
|
|
1926 | return 1; /* loop till we have invoke */ |
|
|
1927 | else |
|
|
1928 | { |
|
|
1929 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
1930 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
1931 | |
|
|
1932 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
1933 | |
|
|
1934 | { |
|
|
1935 | dSP; |
|
|
1936 | XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0; |
|
|
1937 | PUTBACK; |
|
|
1938 | } |
|
|
1939 | |
|
|
1940 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
1941 | GvAV (PL_defgv) = coro->invoke_av; |
|
|
1942 | coro->invoke_av = 0; |
|
|
1943 | |
|
|
1944 | return 0; |
|
|
1945 | } |
|
|
1946 | } |
|
|
1947 | |
|
|
1948 | static void |
|
|
1949 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1950 | { |
|
|
1951 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1952 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
1953 | |
|
|
1954 | if (expect_true (coro->saved_deffh)) |
|
|
1955 | { |
|
|
1956 | /* subsequent iteration */ |
|
|
1957 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
1958 | coro->saved_deffh = 0; |
|
|
1959 | |
|
|
1960 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
1961 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1962 | { |
|
|
1963 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
|
|
1964 | coro->invoke_av = newAV (); |
|
|
1965 | |
|
|
1966 | frame->prepare = prepare_nop; |
|
|
1967 | } |
|
|
1968 | else |
|
|
1969 | { |
|
|
1970 | av_clear (GvAV (PL_defgv)); |
|
|
1971 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
|
|
1972 | |
|
|
1973 | coro->prio = 0; |
|
|
1974 | |
|
|
1975 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
1976 | api_trace (aTHX_ coro_current, 0); |
|
|
1977 | |
|
|
1978 | frame->prepare = prepare_schedule; |
|
|
1979 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
|
|
1980 | } |
|
|
1981 | } |
|
|
1982 | else |
|
|
1983 | { |
|
|
1984 | /* first iteration, simply fall through */ |
|
|
1985 | frame->prepare = prepare_nop; |
|
|
1986 | } |
|
|
1987 | |
|
|
1988 | frame->check = slf_check_pool_handler; |
|
|
1989 | frame->data = (void *)coro; |
|
|
1990 | } |
|
|
1991 | |
|
|
1992 | /*****************************************************************************/ |
|
|
1993 | /* rouse callback */ |
|
|
1994 | |
|
|
1995 | #define CORO_MAGIC_type_rouse PERL_MAGIC_ext |
|
|
1996 | |
|
|
1997 | static void |
|
|
1998 | coro_rouse_callback (pTHX_ CV *cv) |
|
|
1999 | { |
|
|
2000 | dXSARGS; |
|
|
2001 | SV *data = (SV *)GENSUB_ARG; |
|
|
2002 | |
|
|
2003 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
2004 | { |
|
|
2005 | /* first call, set args */ |
|
|
2006 | SV *coro = SvRV (data); |
|
|
2007 | AV *av = newAV (); |
|
|
2008 | |
|
|
2009 | SvRV_set (data, (SV *)av); |
|
|
2010 | |
|
|
2011 | /* better take a full copy of the arguments */ |
|
|
2012 | while (items--) |
|
|
2013 | av_store (av, items, newSVsv (ST (items))); |
|
|
2014 | |
|
|
2015 | api_ready (aTHX_ coro); |
|
|
2016 | SvREFCNT_dec (coro); |
|
|
2017 | } |
|
|
2018 | |
|
|
2019 | XSRETURN_EMPTY; |
|
|
2020 | } |
|
|
2021 | |
|
|
2022 | static int |
|
|
2023 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
|
|
2024 | { |
|
|
2025 | SV *data = (SV *)frame->data; |
|
|
2026 | |
|
|
2027 | if (CORO_THROW) |
|
|
2028 | return 0; |
|
|
2029 | |
|
|
2030 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
2031 | return 1; |
|
|
2032 | |
|
|
2033 | /* now push all results on the stack */ |
|
|
2034 | { |
|
|
2035 | dSP; |
|
|
2036 | AV *av = (AV *)SvRV (data); |
|
|
2037 | int i; |
|
|
2038 | |
|
|
2039 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2040 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2041 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
|
|
2042 | |
|
|
2043 | /* we have stolen the elements, so set length to zero and free */ |
|
|
2044 | AvFILLp (av) = -1; |
|
|
2045 | av_undef (av); |
|
|
2046 | |
|
|
2047 | PUTBACK; |
|
|
2048 | } |
|
|
2049 | |
|
|
2050 | return 0; |
|
|
2051 | } |
|
|
2052 | |
|
|
2053 | static void |
|
|
2054 | slf_init_rouse_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2055 | { |
|
|
2056 | SV *cb; |
|
|
2057 | |
|
|
2058 | if (items) |
|
|
2059 | cb = arg [0]; |
|
|
2060 | else |
|
|
2061 | { |
|
|
2062 | struct coro *coro = SvSTATE_current; |
|
|
2063 | |
|
|
2064 | if (!coro->rouse_cb) |
|
|
2065 | croak ("Coro::rouse_wait called without rouse callback, and no default rouse callback found either,"); |
|
|
2066 | |
|
|
2067 | cb = sv_2mortal (coro->rouse_cb); |
|
|
2068 | coro->rouse_cb = 0; |
|
|
2069 | } |
|
|
2070 | |
|
|
2071 | if (!SvROK (cb) |
|
|
2072 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
|
|
2073 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
|
|
2074 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
|
|
2075 | |
|
|
2076 | { |
|
|
2077 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
|
|
2078 | SV *data = (SV *)GENSUB_ARG; |
|
|
2079 | |
|
|
2080 | frame->data = (void *)data; |
|
|
2081 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
|
|
2082 | frame->check = slf_check_rouse_wait; |
|
|
2083 | } |
|
|
2084 | } |
|
|
2085 | |
|
|
2086 | static SV * |
|
|
2087 | coro_new_rouse_cb (pTHX) |
|
|
2088 | { |
|
|
2089 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2090 | struct coro *coro = SvSTATE_hv (hv); |
|
|
2091 | SV *data = newRV_inc ((SV *)hv); |
|
|
2092 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
|
|
2093 | |
|
|
2094 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
|
|
2095 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
|
|
2096 | |
|
|
2097 | SvREFCNT_dec (coro->rouse_cb); |
|
|
2098 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
|
|
2099 | |
|
|
2100 | return cb; |
1689 | } |
2101 | } |
1690 | |
2102 | |
1691 | /*****************************************************************************/ |
2103 | /*****************************************************************************/ |
1692 | /* schedule-like-function opcode (SLF) */ |
2104 | /* schedule-like-function opcode (SLF) */ |
1693 | |
2105 | |
… | |
… | |
1717 | |
2129 | |
1718 | RETURNOP (slf_restore.op_first); |
2130 | RETURNOP (slf_restore.op_first); |
1719 | } |
2131 | } |
1720 | |
2132 | |
1721 | static void |
2133 | static void |
1722 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
|
|
1723 | { |
|
|
1724 | prepare_set_stacklevel (ta, (struct coro_cctx *)slf_frame.data); |
|
|
1725 | } |
|
|
1726 | |
|
|
1727 | static void |
|
|
1728 | slf_init_set_stacklevel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1729 | { |
|
|
1730 | assert (("FATAL: set_stacklevel needs the coro cctx as sole argument", items == 1)); |
|
|
1731 | |
|
|
1732 | frame->prepare = slf_prepare_set_stacklevel; |
|
|
1733 | frame->check = slf_check_nop; |
|
|
1734 | frame->data = (void *)SvIV (arg [0]); |
|
|
1735 | } |
|
|
1736 | |
|
|
1737 | static void |
|
|
1738 | slf_prepare_transfer (pTHX_ struct coro_transfer_args *ta) |
2134 | slf_prepare_transfer (pTHX_ struct coro_transfer_args *ta) |
1739 | { |
2135 | { |
1740 | SV **arg = (SV **)slf_frame.data; |
2136 | SV **arg = (SV **)slf_frame.data; |
1741 | |
2137 | |
1742 | prepare_transfer (aTHX_ ta, arg [0], arg [1]); |
2138 | prepare_transfer (aTHX_ ta, arg [0], arg [1]); |
… | |
… | |
1759 | frame->prepare = prepare_schedule; |
2155 | frame->prepare = prepare_schedule; |
1760 | frame->check = slf_check_nop; |
2156 | frame->check = slf_check_nop; |
1761 | } |
2157 | } |
1762 | |
2158 | |
1763 | static void |
2159 | static void |
|
|
2160 | slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta) |
|
|
2161 | { |
|
|
2162 | struct coro *next = (struct coro *)slf_frame.data; |
|
|
2163 | |
|
|
2164 | SvREFCNT_inc_NN (next->hv); |
|
|
2165 | prepare_schedule_to (aTHX_ ta, next); |
|
|
2166 | } |
|
|
2167 | |
|
|
2168 | static void |
|
|
2169 | slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2170 | { |
|
|
2171 | if (!items) |
|
|
2172 | croak ("Coro::schedule_to expects a coroutine argument, caught"); |
|
|
2173 | |
|
|
2174 | frame->data = (void *)SvSTATE (arg [0]); |
|
|
2175 | frame->prepare = slf_prepare_schedule_to; |
|
|
2176 | frame->check = slf_check_nop; |
|
|
2177 | } |
|
|
2178 | |
|
|
2179 | static void |
|
|
2180 | slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2181 | { |
|
|
2182 | api_ready (aTHX_ SvRV (coro_current)); |
|
|
2183 | |
|
|
2184 | slf_init_schedule_to (aTHX_ frame, cv, arg, items); |
|
|
2185 | } |
|
|
2186 | |
|
|
2187 | static void |
1764 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2188 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1765 | { |
2189 | { |
1766 | frame->prepare = prepare_cede; |
2190 | frame->prepare = prepare_cede; |
1767 | frame->check = slf_check_nop; |
2191 | frame->check = slf_check_nop; |
1768 | } |
2192 | } |
… | |
… | |
1771 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2195 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1772 | { |
2196 | { |
1773 | frame->prepare = prepare_cede_notself; |
2197 | frame->prepare = prepare_cede_notself; |
1774 | frame->check = slf_check_nop; |
2198 | frame->check = slf_check_nop; |
1775 | } |
2199 | } |
1776 | |
|
|
1777 | /* we hijack an hopefully unused CV flag for our purposes */ |
|
|
1778 | #define CVf_SLF 0x4000 |
|
|
1779 | |
2200 | |
1780 | /* |
2201 | /* |
1781 | * these not obviously related functions are all rolled into one |
2202 | * these not obviously related functions are all rolled into one |
1782 | * function to increase chances that they all will call transfer with the same |
2203 | * function to increase chances that they all will call transfer with the same |
1783 | * stack offset |
2204 | * stack offset |
… | |
… | |
1839 | } |
2260 | } |
1840 | while (slf_frame.check (aTHX_ &slf_frame)); |
2261 | while (slf_frame.check (aTHX_ &slf_frame)); |
1841 | |
2262 | |
1842 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2263 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
1843 | |
2264 | |
1844 | /* return value handling - mostly like entersub */ |
|
|
1845 | { |
|
|
1846 | dSP; |
|
|
1847 | SV **bot = PL_stack_base + checkmark; |
|
|
1848 | int gimme = GIMME_V; |
|
|
1849 | |
|
|
1850 | /* make sure we put something on the stack in scalar context */ |
|
|
1851 | if (gimme == G_SCALAR) |
|
|
1852 | { |
|
|
1853 | if (sp == bot) |
|
|
1854 | XPUSHs (&PL_sv_undef); |
|
|
1855 | |
|
|
1856 | SP = bot + 1; |
|
|
1857 | } |
|
|
1858 | |
|
|
1859 | PUTBACK; |
|
|
1860 | } |
|
|
1861 | |
|
|
1862 | /* exception handling */ |
2265 | /* exception handling */ |
1863 | if (expect_false (coro_throw)) |
2266 | if (expect_false (CORO_THROW)) |
1864 | { |
2267 | { |
1865 | SV *exception = sv_2mortal (coro_throw); |
2268 | SV *exception = sv_2mortal (CORO_THROW); |
1866 | |
2269 | |
1867 | coro_throw = 0; |
2270 | CORO_THROW = 0; |
1868 | sv_setsv (ERRSV, exception); |
2271 | sv_setsv (ERRSV, exception); |
1869 | croak (0); |
2272 | croak (0); |
|
|
2273 | } |
|
|
2274 | |
|
|
2275 | /* return value handling - mostly like entersub */ |
|
|
2276 | /* make sure we put something on the stack in scalar context */ |
|
|
2277 | if (GIMME_V == G_SCALAR) |
|
|
2278 | { |
|
|
2279 | dSP; |
|
|
2280 | SV **bot = PL_stack_base + checkmark; |
|
|
2281 | |
|
|
2282 | if (sp == bot) /* too few, push undef */ |
|
|
2283 | bot [1] = &PL_sv_undef; |
|
|
2284 | else if (sp != bot + 1) /* too many, take last one */ |
|
|
2285 | bot [1] = *sp; |
|
|
2286 | |
|
|
2287 | SP = bot + 1; |
|
|
2288 | |
|
|
2289 | PUTBACK; |
1870 | } |
2290 | } |
1871 | |
2291 | |
1872 | return NORMAL; |
2292 | return NORMAL; |
1873 | } |
2293 | } |
1874 | |
2294 | |
… | |
… | |
1915 | } |
2335 | } |
1916 | else |
2336 | else |
1917 | slf_argc = 0; |
2337 | slf_argc = 0; |
1918 | |
2338 | |
1919 | PL_op->op_ppaddr = pp_slf; |
2339 | PL_op->op_ppaddr = pp_slf; |
1920 | PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */ |
2340 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
1921 | |
2341 | |
1922 | PL_op = (OP *)&slf_restore; |
2342 | PL_op = (OP *)&slf_restore; |
|
|
2343 | } |
|
|
2344 | |
|
|
2345 | /*****************************************************************************/ |
|
|
2346 | /* dynamic wind */ |
|
|
2347 | |
|
|
2348 | static void |
|
|
2349 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2350 | { |
|
|
2351 | dSP; |
|
|
2352 | |
|
|
2353 | PUSHSTACK; |
|
|
2354 | |
|
|
2355 | PUSHMARK (SP); |
|
|
2356 | PUTBACK; |
|
|
2357 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2358 | SPAGAIN; |
|
|
2359 | |
|
|
2360 | POPSTACK; |
|
|
2361 | } |
|
|
2362 | |
|
|
2363 | static SV * |
|
|
2364 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2365 | { |
|
|
2366 | AV *av = *avp; |
|
|
2367 | SV *res = av_pop (av); |
|
|
2368 | |
|
|
2369 | if (AvFILLp (av) < 0) |
|
|
2370 | { |
|
|
2371 | *avp = 0; |
|
|
2372 | SvREFCNT_dec (av); |
|
|
2373 | } |
|
|
2374 | |
|
|
2375 | return res; |
|
|
2376 | } |
|
|
2377 | |
|
|
2378 | static void |
|
|
2379 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2380 | { |
|
|
2381 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2382 | SvREFCNT_dec (cb); |
|
|
2383 | } |
|
|
2384 | |
|
|
2385 | static void |
|
|
2386 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2387 | { |
|
|
2388 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2389 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
1923 | } |
2390 | } |
1924 | |
2391 | |
1925 | /*****************************************************************************/ |
2392 | /*****************************************************************************/ |
1926 | /* PerlIO::cede */ |
2393 | /* PerlIO::cede */ |
1927 | |
2394 | |
… | |
… | |
1996 | PerlIOBuf_get_cnt, |
2463 | PerlIOBuf_get_cnt, |
1997 | PerlIOBuf_set_ptrcnt, |
2464 | PerlIOBuf_set_ptrcnt, |
1998 | }; |
2465 | }; |
1999 | |
2466 | |
2000 | /*****************************************************************************/ |
2467 | /*****************************************************************************/ |
|
|
2468 | /* Coro::Semaphore & Coro::Signal */ |
|
|
2469 | |
|
|
2470 | static SV * |
|
|
2471 | coro_waitarray_new (pTHX_ int count) |
|
|
2472 | { |
|
|
2473 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
|
|
2474 | AV *av = newAV (); |
|
|
2475 | SV **ary; |
|
|
2476 | |
|
|
2477 | /* unfortunately, building manually saves memory */ |
|
|
2478 | Newx (ary, 2, SV *); |
|
|
2479 | AvALLOC (av) = ary; |
|
|
2480 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
2481 | AvARRAY (av) = ary; |
|
|
2482 | #else |
|
|
2483 | /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */ |
|
|
2484 | /* -DDEBUGGING flags this as a bug, despite it perfectly working */ |
|
|
2485 | SvPVX ((SV *)av) = (char *)ary; |
|
|
2486 | #endif |
|
|
2487 | AvMAX (av) = 1; |
|
|
2488 | AvFILLp (av) = 0; |
|
|
2489 | ary [0] = newSViv (count); |
|
|
2490 | |
|
|
2491 | return newRV_noinc ((SV *)av); |
|
|
2492 | } |
|
|
2493 | |
2001 | /* Coro::Semaphore */ |
2494 | /* semaphore */ |
2002 | |
2495 | |
2003 | static void |
2496 | static void |
2004 | coro_semaphore_adjust (pTHX_ AV *av, IV adjust) |
2497 | coro_semaphore_adjust (pTHX_ AV *av, IV adjust) |
2005 | { |
2498 | { |
2006 | SV *count_sv = AvARRAY (av)[0]; |
2499 | SV *count_sv = AvARRAY (av)[0]; |
… | |
… | |
2018 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2511 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2019 | AvARRAY (av)[1] = count_sv; |
2512 | AvARRAY (av)[1] = count_sv; |
2020 | cb = av_shift (av); |
2513 | cb = av_shift (av); |
2021 | |
2514 | |
2022 | if (SvOBJECT (cb)) |
2515 | if (SvOBJECT (cb)) |
|
|
2516 | { |
2023 | api_ready (aTHX_ cb); |
2517 | api_ready (aTHX_ cb); |
2024 | else |
2518 | --count; |
2025 | croak ("callbacks not yet supported"); |
2519 | } |
|
|
2520 | else if (SvTYPE (cb) == SVt_PVCV) |
|
|
2521 | { |
|
|
2522 | dSP; |
|
|
2523 | PUSHMARK (SP); |
|
|
2524 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
2525 | PUTBACK; |
|
|
2526 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
2527 | } |
2026 | |
2528 | |
2027 | SvREFCNT_dec (cb); |
2529 | SvREFCNT_dec (cb); |
2028 | |
|
|
2029 | --count; |
|
|
2030 | } |
2530 | } |
2031 | } |
2531 | } |
2032 | |
2532 | |
2033 | static void |
2533 | static void |
2034 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2534 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
… | |
… | |
2036 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2536 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2037 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2537 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2038 | } |
2538 | } |
2039 | |
2539 | |
2040 | static int |
2540 | static int |
2041 | slf_check_semaphore_down (pTHX_ struct CoroSLF *frame) |
2541 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2042 | { |
2542 | { |
2043 | AV *av = (AV *)frame->data; |
2543 | AV *av = (AV *)frame->data; |
2044 | SV *count_sv = AvARRAY (av)[0]; |
2544 | SV *count_sv = AvARRAY (av)[0]; |
2045 | |
2545 | |
|
|
2546 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
|
|
2547 | if (CORO_THROW) |
|
|
2548 | return 0; |
2046 | if (SvIVX (count_sv) > 0) |
2549 | else if (SvIVX (count_sv) > 0) |
2047 | { |
2550 | { |
2048 | SvSTATE_current->on_destroy = 0; |
2551 | SvSTATE_current->on_destroy = 0; |
|
|
2552 | |
|
|
2553 | if (acquire) |
2049 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2554 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
|
|
2555 | else |
|
|
2556 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2557 | |
2050 | return 0; |
2558 | return 0; |
2051 | } |
2559 | } |
2052 | else |
2560 | else |
2053 | { |
2561 | { |
2054 | int i; |
2562 | int i; |
… | |
… | |
2063 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2571 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2064 | return 1; |
2572 | return 1; |
2065 | } |
2573 | } |
2066 | } |
2574 | } |
2067 | |
2575 | |
2068 | static void |
2576 | static int |
|
|
2577 | slf_check_semaphore_down (pTHX_ struct CoroSLF *frame) |
|
|
2578 | { |
|
|
2579 | return slf_check_semaphore_down_or_wait (aTHX_ frame, 1); |
|
|
2580 | } |
|
|
2581 | |
|
|
2582 | static int |
|
|
2583 | slf_check_semaphore_wait (pTHX_ struct CoroSLF *frame) |
|
|
2584 | { |
|
|
2585 | return slf_check_semaphore_down_or_wait (aTHX_ frame, 0); |
|
|
2586 | } |
|
|
2587 | |
|
|
2588 | static void |
2069 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2589 | slf_init_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2070 | { |
2590 | { |
2071 | AV *av = (AV *)SvRV (arg [0]); |
2591 | AV *av = (AV *)SvRV (arg [0]); |
2072 | |
2592 | |
2073 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2593 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2074 | { |
2594 | { |
2075 | frame->data = (void *)av; |
2595 | frame->data = (void *)av; |
2076 | frame->prepare = prepare_nop; |
2596 | frame->prepare = prepare_nop; |
2077 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
|
|
2078 | } |
2597 | } |
2079 | else |
2598 | else |
2080 | { |
2599 | { |
2081 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2600 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2082 | |
2601 | |
2083 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2602 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2084 | frame->prepare = prepare_schedule; |
2603 | frame->prepare = prepare_schedule; |
2085 | |
2604 | |
2086 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2605 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2087 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2606 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2088 | assert (!SvSTATE_current->on_destroy);//D |
|
|
2089 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2607 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2090 | } |
2608 | } |
|
|
2609 | } |
2091 | |
2610 | |
|
|
2611 | static void |
|
|
2612 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2613 | { |
|
|
2614 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
2092 | frame->check = slf_check_semaphore_down; |
2615 | frame->check = slf_check_semaphore_down; |
2093 | |
|
|
2094 | } |
2616 | } |
2095 | |
2617 | |
2096 | /*****************************************************************************/ |
2618 | static void |
2097 | /* gensub: simple closure generation utility */ |
2619 | slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2098 | |
|
|
2099 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
2100 | |
|
|
2101 | /* create a closure from XS, returns a code reference */ |
|
|
2102 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
2103 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
2104 | static SV * |
|
|
2105 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
2106 | { |
2620 | { |
2107 | CV *cv = (CV *)newSV (0); |
2621 | if (items >= 2) |
|
|
2622 | { |
|
|
2623 | /* callback form */ |
|
|
2624 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2625 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
2108 | |
2626 | |
2109 | sv_upgrade ((SV *)cv, SVt_PVCV); |
2627 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
2110 | |
2628 | |
2111 | CvANON_on (cv); |
2629 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2112 | CvISXSUB_on (cv); |
2630 | coro_semaphore_adjust (aTHX_ av, 0); |
2113 | CvXSUB (cv) = xsub; |
|
|
2114 | GENSUB_ARG = arg; |
|
|
2115 | |
2631 | |
2116 | return newRV_noinc ((SV *)cv); |
2632 | frame->prepare = prepare_nop; |
|
|
2633 | frame->check = slf_check_nop; |
|
|
2634 | } |
|
|
2635 | else |
|
|
2636 | { |
|
|
2637 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
|
|
2638 | frame->check = slf_check_semaphore_wait; |
|
|
2639 | } |
|
|
2640 | } |
|
|
2641 | |
|
|
2642 | /* signal */ |
|
|
2643 | |
|
|
2644 | static void |
|
|
2645 | coro_signal_wake (pTHX_ AV *av, int count) |
|
|
2646 | { |
|
|
2647 | SvIVX (AvARRAY (av)[0]) = 0; |
|
|
2648 | |
|
|
2649 | /* now signal count waiters */ |
|
|
2650 | while (count > 0 && AvFILLp (av) > 0) |
|
|
2651 | { |
|
|
2652 | SV *cb; |
|
|
2653 | |
|
|
2654 | /* swap first two elements so we can shift a waiter */ |
|
|
2655 | cb = AvARRAY (av)[0]; |
|
|
2656 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
|
|
2657 | AvARRAY (av)[1] = cb; |
|
|
2658 | |
|
|
2659 | cb = av_shift (av); |
|
|
2660 | |
|
|
2661 | api_ready (aTHX_ cb); |
|
|
2662 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
2663 | SvREFCNT_dec (cb); |
|
|
2664 | |
|
|
2665 | --count; |
|
|
2666 | } |
|
|
2667 | } |
|
|
2668 | |
|
|
2669 | static int |
|
|
2670 | slf_check_signal_wait (pTHX_ struct CoroSLF *frame) |
|
|
2671 | { |
|
|
2672 | /* if we are about to throw, also stop waiting */ |
|
|
2673 | return SvROK ((SV *)frame->data) && !CORO_THROW; |
|
|
2674 | } |
|
|
2675 | |
|
|
2676 | static void |
|
|
2677 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2678 | { |
|
|
2679 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2680 | |
|
|
2681 | if (SvIVX (AvARRAY (av)[0])) |
|
|
2682 | { |
|
|
2683 | SvIVX (AvARRAY (av)[0]) = 0; |
|
|
2684 | frame->prepare = prepare_nop; |
|
|
2685 | frame->check = slf_check_nop; |
|
|
2686 | } |
|
|
2687 | else |
|
|
2688 | { |
|
|
2689 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
|
|
2690 | |
|
|
2691 | av_push (av, waiter); |
|
|
2692 | |
|
|
2693 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
|
|
2694 | frame->prepare = prepare_schedule; |
|
|
2695 | frame->check = slf_check_signal_wait; |
|
|
2696 | } |
2117 | } |
2697 | } |
2118 | |
2698 | |
2119 | /*****************************************************************************/ |
2699 | /*****************************************************************************/ |
2120 | /* Coro::AIO */ |
2700 | /* Coro::AIO */ |
2121 | |
2701 | |
… | |
… | |
2136 | dXSARGS; |
2716 | dXSARGS; |
2137 | AV *state = (AV *)GENSUB_ARG; |
2717 | AV *state = (AV *)GENSUB_ARG; |
2138 | SV *coro = av_pop (state); |
2718 | SV *coro = av_pop (state); |
2139 | SV *data_sv = newSV (sizeof (struct io_state)); |
2719 | SV *data_sv = newSV (sizeof (struct io_state)); |
2140 | |
2720 | |
2141 | av_extend (state, items); |
2721 | av_extend (state, items - 1); |
2142 | |
2722 | |
2143 | sv_upgrade (data_sv, SVt_PV); |
2723 | sv_upgrade (data_sv, SVt_PV); |
2144 | SvCUR_set (data_sv, sizeof (struct io_state)); |
2724 | SvCUR_set (data_sv, sizeof (struct io_state)); |
2145 | SvPOK_only (data_sv); |
2725 | SvPOK_only (data_sv); |
2146 | |
2726 | |
… | |
… | |
2171 | static int |
2751 | static int |
2172 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
2752 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
2173 | { |
2753 | { |
2174 | AV *state = (AV *)frame->data; |
2754 | AV *state = (AV *)frame->data; |
2175 | |
2755 | |
|
|
2756 | /* if we are about to throw, return early */ |
|
|
2757 | /* this does not cancel the aio request, but at least */ |
|
|
2758 | /* it quickly returns */ |
|
|
2759 | if (CORO_THROW) |
|
|
2760 | return 0; |
|
|
2761 | |
2176 | /* one element that is an RV? repeat! */ |
2762 | /* one element that is an RV? repeat! */ |
2177 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
2763 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
2178 | return 1; |
2764 | return 1; |
2179 | |
2765 | |
2180 | /* restore status */ |
2766 | /* restore status */ |
… | |
… | |
2275 | XSRETURN_EMPTY; |
2861 | XSRETURN_EMPTY; |
2276 | } |
2862 | } |
2277 | |
2863 | |
2278 | /*****************************************************************************/ |
2864 | /*****************************************************************************/ |
2279 | |
2865 | |
|
|
2866 | #if CORO_CLONE |
|
|
2867 | # include "clone.c" |
|
|
2868 | #endif |
|
|
2869 | |
2280 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2870 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2281 | |
2871 | |
2282 | PROTOTYPES: DISABLE |
2872 | PROTOTYPES: DISABLE |
2283 | |
2873 | |
2284 | BOOT: |
2874 | BOOT: |
… | |
… | |
2288 | coro_thx = PERL_GET_CONTEXT; |
2878 | coro_thx = PERL_GET_CONTEXT; |
2289 | # endif |
2879 | # endif |
2290 | #endif |
2880 | #endif |
2291 | BOOT_PAGESIZE; |
2881 | BOOT_PAGESIZE; |
2292 | |
2882 | |
|
|
2883 | cctx_current = cctx_new_empty (); |
|
|
2884 | |
2293 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2885 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2294 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2886 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2295 | |
2887 | |
2296 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2888 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2297 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
2889 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
… | |
… | |
2316 | |
2908 | |
2317 | { |
2909 | { |
2318 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
2910 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
2319 | |
2911 | |
2320 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
2912 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
2321 | hv_store_ent (PL_custom_op_names, slf, |
2913 | hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0); |
2322 | newSVpv ("coro_slf", 0), 0); |
|
|
2323 | |
2914 | |
2324 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
2915 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
2325 | hv_store_ent (PL_custom_op_descs, slf, |
2916 | hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0); |
2326 | newSVpv ("coro schedule like function", 0), 0); |
|
|
2327 | } |
2917 | } |
2328 | |
2918 | |
2329 | coroapi.ver = CORO_API_VERSION; |
2919 | coroapi.ver = CORO_API_VERSION; |
2330 | coroapi.rev = CORO_API_REVISION; |
2920 | coroapi.rev = CORO_API_REVISION; |
2331 | |
2921 | |
… | |
… | |
2350 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2940 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2351 | } |
2941 | } |
2352 | |
2942 | |
2353 | SV * |
2943 | SV * |
2354 | new (char *klass, ...) |
2944 | new (char *klass, ...) |
|
|
2945 | ALIAS: |
|
|
2946 | Coro::new = 1 |
2355 | CODE: |
2947 | CODE: |
2356 | { |
2948 | { |
2357 | struct coro *coro; |
2949 | struct coro *coro; |
2358 | MAGIC *mg; |
2950 | MAGIC *mg; |
2359 | HV *hv; |
2951 | HV *hv; |
|
|
2952 | CV *cb; |
2360 | int i; |
2953 | int i; |
|
|
2954 | |
|
|
2955 | if (items > 1) |
|
|
2956 | { |
|
|
2957 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2958 | |
|
|
2959 | if (!ix) |
|
|
2960 | { |
|
|
2961 | if (CvISXSUB (cb)) |
|
|
2962 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2963 | |
|
|
2964 | if (!CvROOT (cb)) |
|
|
2965 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2966 | } |
|
|
2967 | } |
2361 | |
2968 | |
2362 | Newz (0, coro, 1, struct coro); |
2969 | Newz (0, coro, 1, struct coro); |
2363 | coro->args = newAV (); |
2970 | coro->args = newAV (); |
2364 | coro->flags = CF_NEW; |
2971 | coro->flags = CF_NEW; |
2365 | |
2972 | |
… | |
… | |
2370 | coro->hv = hv = newHV (); |
2977 | coro->hv = hv = newHV (); |
2371 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
2978 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
2372 | mg->mg_flags |= MGf_DUP; |
2979 | mg->mg_flags |= MGf_DUP; |
2373 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
2980 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
2374 | |
2981 | |
|
|
2982 | if (items > 1) |
|
|
2983 | { |
2375 | av_extend (coro->args, items - 1); |
2984 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2985 | |
|
|
2986 | if (ix) |
|
|
2987 | { |
|
|
2988 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2989 | cb = cv_coro_run; |
|
|
2990 | } |
|
|
2991 | |
|
|
2992 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2993 | |
2376 | for (i = 1; i < items; i++) |
2994 | for (i = 2; i < items; i++) |
2377 | av_push (coro->args, newSVsv (ST (i))); |
2995 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2996 | } |
2378 | } |
2997 | } |
2379 | OUTPUT: |
2998 | OUTPUT: |
2380 | RETVAL |
2999 | RETVAL |
2381 | |
|
|
2382 | void |
|
|
2383 | _set_stacklevel (...) |
|
|
2384 | CODE: |
|
|
2385 | CORO_EXECUTE_SLF_XS (slf_init_set_stacklevel); |
|
|
2386 | |
3000 | |
2387 | void |
3001 | void |
2388 | transfer (...) |
3002 | transfer (...) |
2389 | PROTOTYPE: $$ |
3003 | PROTOTYPE: $$ |
2390 | CODE: |
3004 | CODE: |
… | |
… | |
2400 | void |
3014 | void |
2401 | _exit (int code) |
3015 | _exit (int code) |
2402 | PROTOTYPE: $ |
3016 | PROTOTYPE: $ |
2403 | CODE: |
3017 | CODE: |
2404 | _exit (code); |
3018 | _exit (code); |
|
|
3019 | |
|
|
3020 | SV * |
|
|
3021 | clone (Coro::State coro) |
|
|
3022 | CODE: |
|
|
3023 | { |
|
|
3024 | #if CORO_CLONE |
|
|
3025 | struct coro *ncoro = coro_clone (aTHX_ coro); |
|
|
3026 | MAGIC *mg; |
|
|
3027 | /* TODO: too much duplication */ |
|
|
3028 | ncoro->hv = newHV (); |
|
|
3029 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
|
|
3030 | mg->mg_flags |= MGf_DUP; |
|
|
3031 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
|
|
3032 | #else |
|
|
3033 | croak ("Coro::State->clone has not been configured into this installation of Coro, realised"); |
|
|
3034 | #endif |
|
|
3035 | } |
|
|
3036 | OUTPUT: |
|
|
3037 | RETVAL |
2405 | |
3038 | |
2406 | int |
3039 | int |
2407 | cctx_stacksize (int new_stacksize = 0) |
3040 | cctx_stacksize (int new_stacksize = 0) |
2408 | PROTOTYPE: ;$ |
3041 | PROTOTYPE: ;$ |
2409 | CODE: |
3042 | CODE: |
… | |
… | |
2459 | eval = 1 |
3092 | eval = 1 |
2460 | CODE: |
3093 | CODE: |
2461 | { |
3094 | { |
2462 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3095 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2463 | { |
3096 | { |
2464 | struct coro temp; |
3097 | struct coro *current = SvSTATE_current; |
2465 | |
3098 | |
2466 | if (!(coro->flags & CF_RUNNING)) |
3099 | if (current != coro) |
2467 | { |
3100 | { |
2468 | PUTBACK; |
3101 | PUTBACK; |
2469 | save_perl (aTHX_ &temp); |
3102 | save_perl (aTHX_ current); |
2470 | load_perl (aTHX_ coro); |
3103 | load_perl (aTHX_ coro); |
|
|
3104 | SPAGAIN; |
2471 | } |
3105 | } |
2472 | |
3106 | |
2473 | { |
|
|
2474 | dSP; |
|
|
2475 | ENTER; |
|
|
2476 | SAVETMPS; |
|
|
2477 | PUTBACK; |
|
|
2478 | PUSHSTACK; |
3107 | PUSHSTACK; |
|
|
3108 | |
2479 | PUSHMARK (SP); |
3109 | PUSHMARK (SP); |
|
|
3110 | PUTBACK; |
2480 | |
3111 | |
2481 | if (ix) |
3112 | if (ix) |
2482 | eval_sv (coderef, 0); |
3113 | eval_sv (coderef, 0); |
2483 | else |
3114 | else |
2484 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3115 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2485 | |
3116 | |
2486 | POPSTACK; |
3117 | POPSTACK; |
2487 | SPAGAIN; |
3118 | SPAGAIN; |
2488 | FREETMPS; |
|
|
2489 | LEAVE; |
|
|
2490 | PUTBACK; |
|
|
2491 | } |
|
|
2492 | |
3119 | |
2493 | if (!(coro->flags & CF_RUNNING)) |
3120 | if (current != coro) |
2494 | { |
3121 | { |
|
|
3122 | PUTBACK; |
2495 | save_perl (aTHX_ coro); |
3123 | save_perl (aTHX_ coro); |
2496 | load_perl (aTHX_ &temp); |
3124 | load_perl (aTHX_ current); |
2497 | SPAGAIN; |
3125 | SPAGAIN; |
2498 | } |
3126 | } |
2499 | } |
3127 | } |
2500 | } |
3128 | } |
2501 | |
3129 | |
… | |
… | |
2505 | ALIAS: |
3133 | ALIAS: |
2506 | is_ready = CF_READY |
3134 | is_ready = CF_READY |
2507 | is_running = CF_RUNNING |
3135 | is_running = CF_RUNNING |
2508 | is_new = CF_NEW |
3136 | is_new = CF_NEW |
2509 | is_destroyed = CF_DESTROYED |
3137 | is_destroyed = CF_DESTROYED |
|
|
3138 | is_suspended = CF_SUSPENDED |
2510 | CODE: |
3139 | CODE: |
2511 | RETVAL = boolSV (coro->flags & ix); |
3140 | RETVAL = boolSV (coro->flags & ix); |
2512 | OUTPUT: |
3141 | OUTPUT: |
2513 | RETVAL |
3142 | RETVAL |
2514 | |
3143 | |
… | |
… | |
2516 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3145 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
2517 | PROTOTYPE: $;$ |
3146 | PROTOTYPE: $;$ |
2518 | CODE: |
3147 | CODE: |
2519 | { |
3148 | { |
2520 | struct coro *current = SvSTATE_current; |
3149 | struct coro *current = SvSTATE_current; |
2521 | SV **throwp = self == current ? &coro_throw : &self->throw; |
3150 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
2522 | SvREFCNT_dec (*throwp); |
3151 | SvREFCNT_dec (*throwp); |
2523 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3152 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
2524 | } |
3153 | } |
2525 | |
3154 | |
2526 | void |
3155 | void |
… | |
… | |
2530 | |
3159 | |
2531 | SV * |
3160 | SV * |
2532 | has_cctx (Coro::State coro) |
3161 | has_cctx (Coro::State coro) |
2533 | PROTOTYPE: $ |
3162 | PROTOTYPE: $ |
2534 | CODE: |
3163 | CODE: |
2535 | RETVAL = boolSV (!!coro->cctx); |
3164 | /* maybe manage the running flag differently */ |
|
|
3165 | RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING)); |
2536 | OUTPUT: |
3166 | OUTPUT: |
2537 | RETVAL |
3167 | RETVAL |
2538 | |
3168 | |
2539 | int |
3169 | int |
2540 | is_traced (Coro::State coro) |
3170 | is_traced (Coro::State coro) |
… | |
… | |
2560 | |
3190 | |
2561 | void |
3191 | void |
2562 | force_cctx () |
3192 | force_cctx () |
2563 | PROTOTYPE: |
3193 | PROTOTYPE: |
2564 | CODE: |
3194 | CODE: |
2565 | SvSTATE_current->cctx->idle_sp = 0; |
3195 | cctx_current->idle_sp = 0; |
2566 | |
3196 | |
2567 | void |
3197 | void |
2568 | swap_defsv (Coro::State self) |
3198 | swap_defsv (Coro::State self) |
2569 | PROTOTYPE: $ |
3199 | PROTOTYPE: $ |
2570 | ALIAS: |
3200 | ALIAS: |
… | |
… | |
2578 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3208 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
2579 | |
3209 | |
2580 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3210 | SV *tmp = *src; *src = *dst; *dst = tmp; |
2581 | } |
3211 | } |
2582 | |
3212 | |
|
|
3213 | void |
|
|
3214 | cancel (Coro::State self) |
|
|
3215 | CODE: |
|
|
3216 | coro_state_destroy (aTHX_ self); |
|
|
3217 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3218 | |
2583 | |
3219 | |
2584 | MODULE = Coro::State PACKAGE = Coro |
3220 | MODULE = Coro::State PACKAGE = Coro |
2585 | |
3221 | |
2586 | BOOT: |
3222 | BOOT: |
2587 | { |
3223 | { |
2588 | int i; |
3224 | int i; |
2589 | |
3225 | |
2590 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2591 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3226 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
2592 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3227 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
2593 | |
3228 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
|
|
3229 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
2594 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
3230 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
2595 | SvREADONLY_on (coro_current); |
3231 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
3232 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
|
|
3233 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3234 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
|
|
3235 | |
|
|
3236 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
|
|
3237 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
|
|
3238 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
|
|
3239 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
2596 | |
3240 | |
2597 | coro_stash = gv_stashpv ("Coro", TRUE); |
3241 | coro_stash = gv_stashpv ("Coro", TRUE); |
2598 | |
3242 | |
2599 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3243 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
2600 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3244 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
2601 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3245 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
2602 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3246 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
2603 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3247 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
2604 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3248 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
2605 | |
3249 | |
2606 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
2607 | coro_ready[i] = newAV (); |
|
|
2608 | |
|
|
2609 | { |
3250 | { |
2610 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3251 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
2611 | |
3252 | |
2612 | coroapi.schedule = api_schedule; |
3253 | coroapi.schedule = api_schedule; |
|
|
3254 | coroapi.schedule_to = api_schedule_to; |
2613 | coroapi.cede = api_cede; |
3255 | coroapi.cede = api_cede; |
2614 | coroapi.cede_notself = api_cede_notself; |
3256 | coroapi.cede_notself = api_cede_notself; |
2615 | coroapi.ready = api_ready; |
3257 | coroapi.ready = api_ready; |
2616 | coroapi.is_ready = api_is_ready; |
3258 | coroapi.is_ready = api_is_ready; |
2617 | coroapi.nready = coro_nready; |
3259 | coroapi.nready = coro_nready; |
2618 | coroapi.current = coro_current; |
3260 | coroapi.current = coro_current; |
2619 | |
3261 | |
2620 | GCoroAPI = &coroapi; |
3262 | /*GCoroAPI = &coroapi;*/ |
2621 | sv_setiv (sv, (IV)&coroapi); |
3263 | sv_setiv (sv, (IV)&coroapi); |
2622 | SvREADONLY_on (sv); |
3264 | SvREADONLY_on (sv); |
2623 | } |
3265 | } |
2624 | } |
3266 | } |
|
|
3267 | |
|
|
3268 | void |
|
|
3269 | terminate (...) |
|
|
3270 | CODE: |
|
|
3271 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
2625 | |
3272 | |
2626 | void |
3273 | void |
2627 | schedule (...) |
3274 | schedule (...) |
2628 | CODE: |
3275 | CODE: |
2629 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3276 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
|
|
3277 | |
|
|
3278 | void |
|
|
3279 | schedule_to (...) |
|
|
3280 | CODE: |
|
|
3281 | CORO_EXECUTE_SLF_XS (slf_init_schedule_to); |
|
|
3282 | |
|
|
3283 | void |
|
|
3284 | cede_to (...) |
|
|
3285 | CODE: |
|
|
3286 | CORO_EXECUTE_SLF_XS (slf_init_cede_to); |
2630 | |
3287 | |
2631 | void |
3288 | void |
2632 | cede (...) |
3289 | cede (...) |
2633 | CODE: |
3290 | CODE: |
2634 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
3291 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
… | |
… | |
2689 | CODE: |
3346 | CODE: |
2690 | RETVAL = coro_nready; |
3347 | RETVAL = coro_nready; |
2691 | OUTPUT: |
3348 | OUTPUT: |
2692 | RETVAL |
3349 | RETVAL |
2693 | |
3350 | |
2694 | # for async_pool speedup |
|
|
2695 | void |
3351 | void |
2696 | _pool_1 (SV *cb) |
3352 | suspend (Coro::State self) |
|
|
3353 | PROTOTYPE: $ |
2697 | CODE: |
3354 | CODE: |
2698 | { |
3355 | self->flags |= CF_SUSPENDED; |
2699 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2700 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
2701 | AV *defav = GvAV (PL_defgv); |
|
|
2702 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
2703 | AV *invoke_av; |
|
|
2704 | int i, len; |
|
|
2705 | |
3356 | |
2706 | if (!invoke) |
3357 | void |
|
|
3358 | resume (Coro::State self) |
|
|
3359 | PROTOTYPE: $ |
|
|
3360 | CODE: |
|
|
3361 | self->flags &= ~CF_SUSPENDED; |
|
|
3362 | |
|
|
3363 | void |
|
|
3364 | _pool_handler (...) |
|
|
3365 | CODE: |
|
|
3366 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
|
|
3367 | |
|
|
3368 | void |
|
|
3369 | async_pool (SV *cv, ...) |
|
|
3370 | PROTOTYPE: &@ |
|
|
3371 | PPCODE: |
|
|
3372 | { |
|
|
3373 | HV *hv = (HV *)av_pop (av_async_pool); |
|
|
3374 | AV *av = newAV (); |
|
|
3375 | SV *cb = ST (0); |
|
|
3376 | int i; |
|
|
3377 | |
|
|
3378 | av_extend (av, items - 2); |
|
|
3379 | for (i = 1; i < items; ++i) |
|
|
3380 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
|
|
3381 | |
|
|
3382 | if ((SV *)hv == &PL_sv_undef) |
2707 | { |
3383 | { |
2708 | SV *old = PL_diehook; |
3384 | PUSHMARK (SP); |
2709 | PL_diehook = 0; |
3385 | EXTEND (SP, 2); |
2710 | SvREFCNT_dec (old); |
3386 | PUSHs (sv_Coro); |
2711 | croak ("\3async_pool terminate\2\n"); |
3387 | PUSHs ((SV *)cv_pool_handler); |
|
|
3388 | PUTBACK; |
|
|
3389 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3390 | SPAGAIN; |
|
|
3391 | |
|
|
3392 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
2712 | } |
3393 | } |
2713 | |
3394 | |
2714 | SvREFCNT_dec (coro->saved_deffh); |
|
|
2715 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
2716 | |
|
|
2717 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2718 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
2719 | |
|
|
2720 | invoke_av = (AV *)SvRV (invoke); |
|
|
2721 | len = av_len (invoke_av); |
|
|
2722 | |
|
|
2723 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
2724 | |
|
|
2725 | if (len > 0) |
|
|
2726 | { |
3395 | { |
2727 | av_fill (defav, len - 1); |
3396 | struct coro *coro = SvSTATE_hv (hv); |
2728 | for (i = 0; i < len; ++i) |
3397 | |
2729 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
3398 | assert (!coro->invoke_cb); |
|
|
3399 | assert (!coro->invoke_av); |
|
|
3400 | coro->invoke_cb = SvREFCNT_inc (cb); |
|
|
3401 | coro->invoke_av = av; |
2730 | } |
3402 | } |
|
|
3403 | |
|
|
3404 | api_ready (aTHX_ (SV *)hv); |
|
|
3405 | |
|
|
3406 | if (GIMME_V != G_VOID) |
|
|
3407 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
|
|
3408 | else |
|
|
3409 | SvREFCNT_dec (hv); |
2731 | } |
3410 | } |
|
|
3411 | |
|
|
3412 | SV * |
|
|
3413 | rouse_cb () |
|
|
3414 | PROTOTYPE: |
|
|
3415 | CODE: |
|
|
3416 | RETVAL = coro_new_rouse_cb (aTHX); |
|
|
3417 | OUTPUT: |
|
|
3418 | RETVAL |
2732 | |
3419 | |
2733 | void |
3420 | void |
2734 | _pool_2 (SV *cb) |
3421 | rouse_wait (...) |
|
|
3422 | PROTOTYPE: ;$ |
|
|
3423 | PPCODE: |
|
|
3424 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
|
|
3425 | |
|
|
3426 | void |
|
|
3427 | on_enter (SV *block) |
|
|
3428 | ALIAS: |
|
|
3429 | on_leave = 1 |
|
|
3430 | PROTOTYPE: & |
2735 | CODE: |
3431 | CODE: |
2736 | { |
3432 | { |
2737 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2738 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
3433 | struct coro *coro = SvSTATE_current; |
|
|
3434 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
2739 | |
3435 | |
2740 | sv_setsv (cb, &PL_sv_undef); |
3436 | block = (SV *)coro_sv_2cv (aTHX_ block); |
2741 | |
3437 | |
2742 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
3438 | if (!*avp) |
2743 | coro->saved_deffh = 0; |
3439 | *avp = newAV (); |
2744 | |
3440 | |
2745 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
3441 | av_push (*avp, SvREFCNT_inc (block)); |
2746 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2747 | { |
|
|
2748 | SV *old = PL_diehook; |
|
|
2749 | PL_diehook = 0; |
|
|
2750 | SvREFCNT_dec (old); |
|
|
2751 | croak ("\3async_pool terminate\2\n"); |
|
|
2752 | } |
|
|
2753 | |
3442 | |
2754 | av_clear (GvAV (PL_defgv)); |
3443 | if (!ix) |
2755 | hv_store (hv, "desc", sizeof ("desc") - 1, |
3444 | on_enterleave_call (aTHX_ block); |
2756 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
2757 | |
3445 | |
2758 | coro->prio = 0; |
3446 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
2759 | |
3447 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
2760 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
3448 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
2761 | api_trace (aTHX_ coro_current, 0); |
|
|
2762 | |
|
|
2763 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
2764 | } |
3449 | } |
2765 | |
3450 | |
2766 | |
3451 | |
2767 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3452 | MODULE = Coro::State PACKAGE = PerlIO::cede |
2768 | |
3453 | |
… | |
… | |
2771 | |
3456 | |
2772 | |
3457 | |
2773 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3458 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
2774 | |
3459 | |
2775 | SV * |
3460 | SV * |
2776 | new (SV *klass, SV *count_ = 0) |
3461 | new (SV *klass, SV *count = 0) |
2777 | CODE: |
3462 | CODE: |
2778 | { |
3463 | RETVAL = sv_bless ( |
2779 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
3464 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
2780 | AV *av = newAV (); |
3465 | GvSTASH (CvGV (cv)) |
2781 | av_push (av, newSViv (count_ && SvOK (count_) ? SvIV (count_) : 1)); |
3466 | ); |
2782 | RETVAL = sv_bless (newRV_noinc ((SV *)av), GvSTASH (CvGV (cv))); |
3467 | OUTPUT: |
2783 | } |
3468 | RETVAL |
|
|
3469 | |
|
|
3470 | # helper for Coro::Channel and others |
|
|
3471 | SV * |
|
|
3472 | _alloc (int count) |
|
|
3473 | CODE: |
|
|
3474 | RETVAL = coro_waitarray_new (aTHX_ count); |
2784 | OUTPUT: |
3475 | OUTPUT: |
2785 | RETVAL |
3476 | RETVAL |
2786 | |
3477 | |
2787 | SV * |
3478 | SV * |
2788 | count (SV *self) |
3479 | count (SV *self) |
… | |
… | |
2797 | adjust = 1 |
3488 | adjust = 1 |
2798 | CODE: |
3489 | CODE: |
2799 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
3490 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
2800 | |
3491 | |
2801 | void |
3492 | void |
2802 | down (SV *self) |
3493 | down (...) |
2803 | CODE: |
3494 | CODE: |
2804 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
3495 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
|
|
3496 | |
|
|
3497 | void |
|
|
3498 | wait (...) |
|
|
3499 | CODE: |
|
|
3500 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait); |
2805 | |
3501 | |
2806 | void |
3502 | void |
2807 | try (SV *self) |
3503 | try (SV *self) |
2808 | PPCODE: |
3504 | PPCODE: |
2809 | { |
3505 | { |
… | |
… | |
2821 | XSRETURN_NO; |
3517 | XSRETURN_NO; |
2822 | } |
3518 | } |
2823 | |
3519 | |
2824 | void |
3520 | void |
2825 | waiters (SV *self) |
3521 | waiters (SV *self) |
2826 | CODE: |
3522 | PPCODE: |
2827 | { |
3523 | { |
2828 | AV *av = (AV *)SvRV (self); |
3524 | AV *av = (AV *)SvRV (self); |
|
|
3525 | int wcount = AvFILLp (av) + 1 - 1; |
2829 | |
3526 | |
2830 | if (GIMME_V == G_SCALAR) |
3527 | if (GIMME_V == G_SCALAR) |
2831 | XPUSHs (sv_2mortal (newSVsv (AvARRAY (av)[0]))); |
3528 | XPUSHs (sv_2mortal (newSViv (wcount))); |
2832 | else |
3529 | else |
2833 | { |
3530 | { |
2834 | int i; |
3531 | int i; |
2835 | EXTEND (SP, AvFILLp (av) + 1 - 1); |
3532 | EXTEND (SP, wcount); |
2836 | for (i = 1; i <= AvFILLp (av); ++i) |
3533 | for (i = 1; i <= wcount; ++i) |
2837 | PUSHs (newSVsv (AvARRAY (av)[i])); |
3534 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
2838 | } |
3535 | } |
2839 | } |
3536 | } |
|
|
3537 | |
|
|
3538 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
3539 | |
|
|
3540 | void |
|
|
3541 | _may_delete (SV *sem, int count, int extra_refs) |
|
|
3542 | PPCODE: |
|
|
3543 | { |
|
|
3544 | AV *av = (AV *)SvRV (sem); |
|
|
3545 | |
|
|
3546 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
3547 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
3548 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
3549 | XSRETURN_YES; |
|
|
3550 | |
|
|
3551 | XSRETURN_NO; |
|
|
3552 | } |
|
|
3553 | |
|
|
3554 | MODULE = Coro::State PACKAGE = Coro::Signal |
|
|
3555 | |
|
|
3556 | SV * |
|
|
3557 | new (SV *klass) |
|
|
3558 | CODE: |
|
|
3559 | RETVAL = sv_bless ( |
|
|
3560 | coro_waitarray_new (aTHX_ 0), |
|
|
3561 | GvSTASH (CvGV (cv)) |
|
|
3562 | ); |
|
|
3563 | OUTPUT: |
|
|
3564 | RETVAL |
|
|
3565 | |
|
|
3566 | void |
|
|
3567 | wait (...) |
|
|
3568 | CODE: |
|
|
3569 | CORO_EXECUTE_SLF_XS (slf_init_signal_wait); |
|
|
3570 | |
|
|
3571 | void |
|
|
3572 | broadcast (SV *self) |
|
|
3573 | CODE: |
|
|
3574 | { |
|
|
3575 | AV *av = (AV *)SvRV (self); |
|
|
3576 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
|
|
3577 | } |
|
|
3578 | |
|
|
3579 | void |
|
|
3580 | send (SV *self) |
|
|
3581 | CODE: |
|
|
3582 | { |
|
|
3583 | AV *av = (AV *)SvRV (self); |
|
|
3584 | |
|
|
3585 | if (AvFILLp (av)) |
|
|
3586 | coro_signal_wake (aTHX_ av, 1); |
|
|
3587 | else |
|
|
3588 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
|
|
3589 | } |
|
|
3590 | |
|
|
3591 | IV |
|
|
3592 | awaited (SV *self) |
|
|
3593 | CODE: |
|
|
3594 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
|
|
3595 | OUTPUT: |
|
|
3596 | RETVAL |
2840 | |
3597 | |
2841 | |
3598 | |
2842 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
3599 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
2843 | |
3600 | |
2844 | BOOT: |
3601 | BOOT: |
… | |
… | |
2859 | sv_setsv (sv_activity, &PL_sv_undef); |
3616 | sv_setsv (sv_activity, &PL_sv_undef); |
2860 | if (coro_nready >= incede) |
3617 | if (coro_nready >= incede) |
2861 | { |
3618 | { |
2862 | PUSHMARK (SP); |
3619 | PUSHMARK (SP); |
2863 | PUTBACK; |
3620 | PUTBACK; |
2864 | call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL); |
3621 | call_pv ("Coro::AnyEvent::_activity", G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2865 | SPAGAIN; |
|
|
2866 | } |
3622 | } |
2867 | |
3623 | |
2868 | --incede; |
3624 | --incede; |
2869 | } |
3625 | } |
2870 | |
3626 | |
… | |
… | |
2873 | |
3629 | |
2874 | void |
3630 | void |
2875 | _register (char *target, char *proto, SV *req) |
3631 | _register (char *target, char *proto, SV *req) |
2876 | CODE: |
3632 | CODE: |
2877 | { |
3633 | { |
2878 | HV *st; |
3634 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
2879 | GV *gvp; |
|
|
2880 | CV *req_cv = sv_2cv (req, &st, &gvp, 0); |
|
|
2881 | /* newXSproto doesn't return the CV on 5.8 */ |
3635 | /* newXSproto doesn't return the CV on 5.8 */ |
2882 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3636 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
2883 | sv_setpv ((SV *)slf_cv, proto); |
3637 | sv_setpv ((SV *)slf_cv, proto); |
2884 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3638 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
2885 | } |
3639 | } |