… | |
… | |
16 | |
16 | |
17 | #ifdef WIN32 |
17 | #ifdef WIN32 |
18 | # undef setjmp |
18 | # undef setjmp |
19 | # undef longjmp |
19 | # undef longjmp |
20 | # undef _exit |
20 | # undef _exit |
21 | # define setjmp _setjmp // deep magic, don't ask |
21 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
22 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
23 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
24 | #endif |
25 | |
25 | |
26 | #ifdef HAVE_MMAP |
26 | #ifdef HAVE_MMAP |
… | |
… | |
55 | |
55 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
57 | (PERL_REVISION > (a) \ |
57 | (PERL_REVISION > (a) \ |
58 | || (PERL_REVISION == (a) \ |
58 | || (PERL_REVISION == (a) \ |
59 | && (PERL_VERSION > (b) \ |
59 | && (PERL_VERSION > (b) \ |
60 | || (PERL_VERSION == (b) && PERLSUBVERSION >= (c))))) |
60 | || (PERL_VERSION == (b) && PERL_SUBVERSION >= (c))))) |
61 | |
61 | |
62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
63 | # ifndef PL_ppaddr |
63 | # ifndef PL_ppaddr |
64 | # define PL_ppaddr ppaddr |
64 | # define PL_ppaddr ppaddr |
65 | # endif |
65 | # endif |
… | |
… | |
95 | # define GV_NOTQUAL 0 |
95 | # define GV_NOTQUAL 0 |
96 | #endif |
96 | #endif |
97 | #ifndef newSV |
97 | #ifndef newSV |
98 | # define newSV(l) NEWSV(0,l) |
98 | # define newSV(l) NEWSV(0,l) |
99 | #endif |
99 | #endif |
|
|
100 | #ifndef CvISXSUB_on |
|
|
101 | # define CvISXSUB_on(cv) (void)cv |
|
|
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 |
100 | |
109 | |
101 | /* 5.8.7 */ |
110 | /* 5.8.7 */ |
102 | #ifndef SvRV_set |
111 | #ifndef SvRV_set |
103 | # define SvRV_set(s,v) SvRV(s) = (v) |
112 | # define SvRV_set(s,v) SvRV(s) = (v) |
104 | #endif |
113 | #endif |
… | |
… | |
117 | #endif |
126 | #endif |
118 | |
127 | |
119 | /* The next macros try to return the current stack pointer, in an as |
128 | /* The next macros try to return the current stack pointer, in an as |
120 | * portable way as possible. */ |
129 | * portable way as possible. */ |
121 | #if __GNUC__ >= 4 |
130 | #if __GNUC__ >= 4 |
|
|
131 | # define dSTACKLEVEL int stacklevel_dummy |
122 | # define dSTACKLEVEL void *stacklevel = __builtin_frame_address (0) |
132 | # define STACKLEVEL __builtin_frame_address (0) |
123 | #else |
133 | #else |
124 | # define dSTACKLEVEL volatile void *stacklevel = (volatile void *)&stacklevel |
134 | # define dSTACKLEVEL volatile void *stacklevel |
|
|
135 | # define STACKLEVEL ((void *)&stacklevel) |
125 | #endif |
136 | #endif |
126 | |
137 | |
127 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
138 | #define IN_DESTRUCT PL_dirty |
128 | |
139 | |
129 | #if __GNUC__ >= 3 |
140 | #if __GNUC__ >= 3 |
130 | # define attribute(x) __attribute__(x) |
141 | # define attribute(x) __attribute__(x) |
131 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
142 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
132 | # define INLINE static inline |
143 | # define INLINE static inline |
… | |
… | |
140 | #define expect_true(expr) expect ((expr) != 0, 1) |
151 | #define expect_true(expr) expect ((expr) != 0, 1) |
141 | |
152 | |
142 | #define NOINLINE attribute ((noinline)) |
153 | #define NOINLINE attribute ((noinline)) |
143 | |
154 | |
144 | #include "CoroAPI.h" |
155 | #include "CoroAPI.h" |
|
|
156 | #define GCoroAPI (&coroapi) /* very sneaky */ |
145 | |
157 | |
146 | #ifdef USE_ITHREADS |
158 | #ifdef USE_ITHREADS |
147 | # if CORO_PTHREAD |
159 | # if CORO_PTHREAD |
148 | static void *coro_thx; |
160 | static void *coro_thx; |
149 | # endif |
161 | # endif |
150 | #endif |
162 | #endif |
151 | |
163 | |
152 | /* helper storage struct for Coro::AIO */ |
|
|
153 | struct io_state |
|
|
154 | { |
|
|
155 | AV *res; |
|
|
156 | int errorno; |
|
|
157 | I32 laststype; /* U16 in 5.10.0 */ |
|
|
158 | int laststatval; |
|
|
159 | Stat_t statcache; |
|
|
160 | }; |
|
|
161 | |
|
|
162 | 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); |
163 | |
169 | |
164 | static U32 cctx_gen; |
170 | static U32 cctx_gen; |
165 | static size_t cctx_stacksize = CORO_STACKSIZE; |
171 | static size_t cctx_stacksize = CORO_STACKSIZE; |
166 | static struct CoroAPI coroapi; |
172 | static struct CoroAPI coroapi; |
167 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
173 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
168 | static JMPENV *main_top_env; |
174 | static JMPENV *main_top_env; |
169 | static HV *coro_state_stash, *coro_stash; |
175 | static HV *coro_state_stash, *coro_stash; |
170 | 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 */ |
171 | |
177 | |
|
|
178 | static AV *av_destroy; /* destruction queue */ |
|
|
179 | static SV *sv_manager; /* the manager coro */ |
|
|
180 | static SV *sv_idle; /* $Coro::idle */ |
|
|
181 | |
172 | static GV *irsgv; /* $/ */ |
182 | static GV *irsgv; /* $/ */ |
173 | static GV *stdoutgv; /* *STDOUT */ |
183 | static GV *stdoutgv; /* *STDOUT */ |
174 | static SV *rv_diehook; |
184 | static SV *rv_diehook; |
175 | static SV *rv_warnhook; |
185 | static SV *rv_warnhook; |
176 | static HV *hv_sig; /* %SIG */ |
186 | static HV *hv_sig; /* %SIG */ |
177 | |
187 | |
178 | /* async_pool helper stuff */ |
188 | /* async_pool helper stuff */ |
179 | static SV *sv_pool_rss; |
189 | static SV *sv_pool_rss; |
180 | static SV *sv_pool_size; |
190 | static SV *sv_pool_size; |
|
|
191 | static SV *sv_async_pool_idle; /* description string */ |
181 | 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; |
182 | |
196 | |
183 | /* Coro::AnyEvent */ |
197 | /* Coro::AnyEvent */ |
184 | static SV *sv_activity; |
198 | static SV *sv_activity; |
185 | |
199 | |
186 | static struct coro_cctx *cctx_first; |
200 | static struct coro_cctx *cctx_first; |
… | |
… | |
215 | int valgrind_id; |
229 | int valgrind_id; |
216 | #endif |
230 | #endif |
217 | unsigned char flags; |
231 | unsigned char flags; |
218 | } coro_cctx; |
232 | } coro_cctx; |
219 | |
233 | |
|
|
234 | coro_cctx *cctx_current; /* the currently running cctx */ |
|
|
235 | |
|
|
236 | /*****************************************************************************/ |
|
|
237 | |
220 | enum { |
238 | enum { |
221 | CF_RUNNING = 0x0001, /* coroutine is running */ |
239 | CF_RUNNING = 0x0001, /* coroutine is running */ |
222 | CF_READY = 0x0002, /* coroutine is ready */ |
240 | CF_READY = 0x0002, /* coroutine is ready */ |
223 | CF_NEW = 0x0004, /* has never been switched to */ |
241 | CF_NEW = 0x0004, /* has never been switched to */ |
224 | 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 */ |
225 | }; |
244 | }; |
226 | |
245 | |
227 | /* 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 */ |
228 | typedef struct |
247 | typedef struct |
229 | { |
248 | { |
230 | SV *defsv; |
249 | SV *defsv; |
231 | AV *defav; |
250 | AV *defav; |
232 | SV *errsv; |
251 | SV *errsv; |
233 | SV *irsgv; |
252 | SV *irsgv; |
|
|
253 | HV *hinthv; |
234 | #define VAR(name,type) type name; |
254 | #define VAR(name,type) type name; |
235 | # include "state.h" |
255 | # include "state.h" |
236 | #undef VAR |
256 | #undef VAR |
237 | } perl_slots; |
257 | } perl_slots; |
238 | |
258 | |
… | |
… | |
241 | /* this is a structure representing a perl-level coroutine */ |
261 | /* this is a structure representing a perl-level coroutine */ |
242 | struct coro { |
262 | struct coro { |
243 | /* the C coroutine allocated to this perl coroutine, if any */ |
263 | /* the C coroutine allocated to this perl coroutine, if any */ |
244 | coro_cctx *cctx; |
264 | coro_cctx *cctx; |
245 | |
265 | |
246 | /* process data */ |
266 | /* ready queue */ |
|
|
267 | struct coro *next_ready; |
|
|
268 | |
|
|
269 | /* state data */ |
247 | struct CoroSLF slf_frame; /* saved slf frame */ |
270 | struct CoroSLF slf_frame; /* saved slf frame */ |
248 | AV *mainstack; |
271 | AV *mainstack; |
249 | perl_slots *slot; /* basically the saved sp */ |
272 | perl_slots *slot; /* basically the saved sp */ |
250 | |
273 | |
|
|
274 | CV *startcv; /* the CV to execute */ |
251 | AV *args; /* data associated with this coroutine (initial args) */ |
275 | AV *args; /* data associated with this coroutine (initial args) */ |
252 | int refcnt; /* coroutines are refcounted, yes */ |
276 | int refcnt; /* coroutines are refcounted, yes */ |
253 | int flags; /* CF_ flags */ |
277 | int flags; /* CF_ flags */ |
254 | HV *hv; /* the perl hash associated with this coro, if any */ |
278 | HV *hv; /* the perl hash associated with this coro, if any */ |
255 | void (*on_destroy)(pTHX_ struct coro *coro); |
279 | void (*on_destroy)(pTHX_ struct coro *coro); |
256 | |
280 | |
257 | /* statistics */ |
281 | /* statistics */ |
258 | int usecount; /* number of transfers to this coro */ |
282 | int usecount; /* number of transfers to this coro */ |
259 | |
283 | |
260 | /* coro process data */ |
284 | /* coro process data */ |
261 | int prio; |
285 | int prio; |
262 | SV *throw; /* exception to be thrown */ |
286 | SV *except; /* exception to be thrown */ |
|
|
287 | SV *rouse_cb; |
263 | |
288 | |
264 | /* async_pool */ |
289 | /* async_pool */ |
265 | 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; |
266 | |
297 | |
267 | /* linked list */ |
298 | /* linked list */ |
268 | struct coro *next, *prev; |
299 | struct coro *next, *prev; |
269 | }; |
300 | }; |
270 | |
301 | |
271 | typedef struct coro *Coro__State; |
302 | typedef struct coro *Coro__State; |
272 | typedef struct coro *Coro__State_or_hashref; |
303 | typedef struct coro *Coro__State_or_hashref; |
273 | |
304 | |
|
|
305 | /* the following variables are effectively part of the perl context */ |
|
|
306 | /* and get copied between struct coro and these variables */ |
|
|
307 | /* the mainr easonw e don't support windows process emulation */ |
274 | static struct CoroSLF slf_frame; /* the current slf frame */ |
308 | static struct CoroSLF slf_frame; /* the current slf frame */ |
275 | |
309 | |
276 | /** Coro ********************************************************************/ |
310 | /** Coro ********************************************************************/ |
277 | |
311 | |
278 | #define PRIO_MAX 3 |
312 | #define PRIO_MAX 3 |
… | |
… | |
283 | #define PRIO_MIN -4 |
317 | #define PRIO_MIN -4 |
284 | |
318 | |
285 | /* for Coro.pm */ |
319 | /* for Coro.pm */ |
286 | static SV *coro_current; |
320 | static SV *coro_current; |
287 | static SV *coro_readyhook; |
321 | static SV *coro_readyhook; |
288 | 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; |
289 | static struct coro *coro_first; |
324 | static struct coro *coro_first; |
290 | #define coro_nready coroapi.nready |
325 | #define coro_nready coroapi.nready |
291 | |
326 | |
292 | /** lowlevel stuff **********************************************************/ |
327 | /** lowlevel stuff **********************************************************/ |
293 | |
328 | |
… | |
… | |
319 | get_hv (name, create); |
354 | get_hv (name, create); |
320 | #endif |
355 | #endif |
321 | return get_hv (name, create); |
356 | return get_hv (name, create); |
322 | } |
357 | } |
323 | |
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 | |
324 | static AV * |
425 | static AV * |
325 | coro_clone_padlist (pTHX_ CV *cv) |
426 | coro_derive_padlist (pTHX_ CV *cv) |
326 | { |
427 | { |
327 | AV *padlist = CvPADLIST (cv); |
428 | AV *padlist = CvPADLIST (cv); |
328 | AV *newpadlist, *newpad; |
429 | AV *newpadlist, *newpad; |
329 | |
430 | |
330 | newpadlist = newAV (); |
431 | newpadlist = newAV (); |
… | |
… | |
335 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
436 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
336 | #endif |
437 | #endif |
337 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
438 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
338 | --AvFILLp (padlist); |
439 | --AvFILLp (padlist); |
339 | |
440 | |
340 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
441 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
341 | av_store (newpadlist, 1, (SV *)newpad); |
442 | av_store (newpadlist, 1, (SV *)newpad); |
342 | |
443 | |
343 | return newpadlist; |
444 | return newpadlist; |
344 | } |
445 | } |
345 | |
446 | |
346 | static void |
447 | static void |
347 | free_padlist (pTHX_ AV *padlist) |
448 | free_padlist (pTHX_ AV *padlist) |
348 | { |
449 | { |
349 | /* may be during global destruction */ |
450 | /* may be during global destruction */ |
350 | if (SvREFCNT (padlist)) |
451 | if (!IN_DESTRUCT) |
351 | { |
452 | { |
352 | I32 i = AvFILLp (padlist); |
453 | I32 i = AvFILLp (padlist); |
353 | while (i >= 0) |
454 | |
|
|
455 | while (i > 0) /* special-case index 0 */ |
354 | { |
456 | { |
355 | SV **svp = av_fetch (padlist, i--, FALSE); |
457 | /* we try to be extra-careful here */ |
356 | if (svp) |
458 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
357 | { |
459 | I32 j = AvFILLp (av); |
358 | SV *sv; |
460 | |
359 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
461 | while (j >= 0) |
|
|
462 | SvREFCNT_dec (AvARRAY (av)[j--]); |
|
|
463 | |
|
|
464 | AvFILLp (av) = -1; |
360 | SvREFCNT_dec (sv); |
465 | SvREFCNT_dec (av); |
361 | |
|
|
362 | SvREFCNT_dec (*svp); |
|
|
363 | } |
|
|
364 | } |
466 | } |
365 | |
467 | |
|
|
468 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
|
|
469 | |
|
|
470 | AvFILLp (padlist) = -1; |
366 | SvREFCNT_dec ((SV*)padlist); |
471 | SvREFCNT_dec ((SV*)padlist); |
367 | } |
472 | } |
368 | } |
473 | } |
369 | |
474 | |
370 | static int |
475 | static int |
… | |
… | |
379 | |
484 | |
380 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
485 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
381 | |
486 | |
382 | return 0; |
487 | return 0; |
383 | } |
488 | } |
384 | |
|
|
385 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
|
|
386 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
387 | |
489 | |
388 | static MGVTBL coro_cv_vtbl = { |
490 | static MGVTBL coro_cv_vtbl = { |
389 | 0, 0, 0, 0, |
491 | 0, 0, 0, 0, |
390 | coro_cv_free |
492 | coro_cv_free |
391 | }; |
493 | }; |
392 | |
|
|
393 | #define CORO_MAGIC(sv, type) \ |
|
|
394 | expect_true (SvMAGIC (sv)) \ |
|
|
395 | ? expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
396 | ? SvMAGIC (sv) \ |
|
|
397 | : mg_find (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 (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
402 | |
|
|
403 | INLINE struct coro * |
|
|
404 | SvSTATE_ (pTHX_ SV *coro) |
|
|
405 | { |
|
|
406 | HV *stash; |
|
|
407 | MAGIC *mg; |
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408 | |
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|
409 | if (SvROK (coro)) |
|
|
410 | coro = SvRV (coro); |
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411 | |
|
|
412 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
413 | croak ("Coro::State object required"); |
|
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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 | /* fastert than SvSTATE, but expects a coroutine hv */ |
|
|
430 | INLINE struct coro * |
|
|
431 | SvSTATE_hv (SV *sv) |
|
|
432 | { |
|
|
433 | MAGIC *mg = expect_true (SvMAGIC (sv)->mg_type == CORO_MAGIC_type_state) |
|
|
434 | ? SvMAGIC (sv) |
|
|
435 | : mg_find (sv, CORO_MAGIC_type_state); |
|
|
436 | |
|
|
437 | return (struct coro *)mg->mg_ptr; |
|
|
438 | } |
|
|
439 | |
|
|
440 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
441 | |
494 | |
442 | /* the next two functions merely cache the padlists */ |
495 | /* the next two functions merely cache the padlists */ |
443 | static void |
496 | static void |
444 | get_padlist (pTHX_ CV *cv) |
497 | get_padlist (pTHX_ CV *cv) |
445 | { |
498 | { |
… | |
… | |
451 | else |
504 | else |
452 | { |
505 | { |
453 | #if CORO_PREFER_PERL_FUNCTIONS |
506 | #if CORO_PREFER_PERL_FUNCTIONS |
454 | /* this is probably cleaner? but also slower! */ |
507 | /* this is probably cleaner? but also slower! */ |
455 | /* in practise, it seems to be less stable */ |
508 | /* in practise, it seems to be less stable */ |
456 | CV *cp = Perl_cv_clone (cv); |
509 | CV *cp = Perl_cv_clone (aTHX_ cv); |
457 | CvPADLIST (cv) = CvPADLIST (cp); |
510 | CvPADLIST (cv) = CvPADLIST (cp); |
458 | CvPADLIST (cp) = 0; |
511 | CvPADLIST (cp) = 0; |
459 | SvREFCNT_dec (cp); |
512 | SvREFCNT_dec (cp); |
460 | #else |
513 | #else |
461 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
514 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
462 | #endif |
515 | #endif |
463 | } |
516 | } |
464 | } |
517 | } |
465 | |
518 | |
466 | static void |
519 | static void |
… | |
… | |
473 | 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); |
474 | |
527 | |
475 | av = (AV *)mg->mg_obj; |
528 | av = (AV *)mg->mg_obj; |
476 | |
529 | |
477 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
530 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
478 | av_extend (av, AvMAX (av) + 1); |
531 | av_extend (av, AvFILLp (av) + 1); |
479 | |
532 | |
480 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
533 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
481 | } |
534 | } |
482 | |
535 | |
483 | /** load & save, init *******************************************************/ |
536 | /** load & save, init *******************************************************/ |
|
|
537 | |
|
|
538 | static void |
|
|
539 | on_enterleave_call (pTHX_ SV *cb); |
484 | |
540 | |
485 | static void |
541 | static void |
486 | load_perl (pTHX_ Coro__State c) |
542 | load_perl (pTHX_ Coro__State c) |
487 | { |
543 | { |
488 | perl_slots *slot = c->slot; |
544 | perl_slots *slot = c->slot; |
489 | c->slot = 0; |
545 | c->slot = 0; |
490 | |
546 | |
491 | PL_mainstack = c->mainstack; |
547 | PL_mainstack = c->mainstack; |
492 | |
548 | |
493 | GvSV (PL_defgv) = slot->defsv; |
549 | GvSV (PL_defgv) = slot->defsv; |
494 | GvAV (PL_defgv) = slot->defav; |
550 | GvAV (PL_defgv) = slot->defav; |
495 | GvSV (PL_errgv) = slot->errsv; |
551 | GvSV (PL_errgv) = slot->errsv; |
496 | GvSV (irsgv) = slot->irsgv; |
552 | GvSV (irsgv) = slot->irsgv; |
|
|
553 | GvHV (PL_hintgv) = slot->hinthv; |
497 | |
554 | |
498 | #define VAR(name,type) PL_ ## name = slot->name; |
555 | #define VAR(name,type) PL_ ## name = slot->name; |
499 | # include "state.h" |
556 | # include "state.h" |
500 | #undef VAR |
557 | #undef VAR |
501 | |
558 | |
… | |
… | |
513 | } |
570 | } |
514 | |
571 | |
515 | PUTBACK; |
572 | PUTBACK; |
516 | } |
573 | } |
517 | |
574 | |
518 | slf_frame = c->slf_frame; |
575 | slf_frame = c->slf_frame; |
|
|
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 | } |
519 | } |
585 | } |
520 | |
586 | |
521 | static void |
587 | static void |
522 | save_perl (pTHX_ Coro__State c) |
588 | save_perl (pTHX_ Coro__State c) |
523 | { |
589 | { |
|
|
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; |
524 | c->slf_frame = slf_frame; |
599 | c->slf_frame = slf_frame; |
525 | |
600 | |
526 | { |
601 | { |
527 | dSP; |
602 | dSP; |
528 | I32 cxix = cxstack_ix; |
603 | I32 cxix = cxstack_ix; |
… | |
… | |
585 | c->mainstack = PL_mainstack; |
660 | c->mainstack = PL_mainstack; |
586 | |
661 | |
587 | { |
662 | { |
588 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
663 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
589 | |
664 | |
590 | slot->defav = GvAV (PL_defgv); |
665 | slot->defav = GvAV (PL_defgv); |
591 | slot->defsv = DEFSV; |
666 | slot->defsv = DEFSV; |
592 | slot->errsv = ERRSV; |
667 | slot->errsv = ERRSV; |
593 | slot->irsgv = GvSV (irsgv); |
668 | slot->irsgv = GvSV (irsgv); |
|
|
669 | slot->hinthv = GvHV (PL_hintgv); |
594 | |
670 | |
595 | #define VAR(name,type) slot->name = PL_ ## name; |
671 | #define VAR(name,type) slot->name = PL_ ## name; |
596 | # include "state.h" |
672 | # include "state.h" |
597 | #undef VAR |
673 | #undef VAR |
598 | } |
674 | } |
… | |
… | |
603 | * of perl.c:init_stacks, except that it uses less memory |
679 | * of perl.c:init_stacks, except that it uses less memory |
604 | * on the (sometimes correct) assumption that coroutines do |
680 | * on the (sometimes correct) assumption that coroutines do |
605 | * not usually need a lot of stackspace. |
681 | * not usually need a lot of stackspace. |
606 | */ |
682 | */ |
607 | #if CORO_PREFER_PERL_FUNCTIONS |
683 | #if CORO_PREFER_PERL_FUNCTIONS |
608 | # define coro_init_stacks init_stacks |
684 | # define coro_init_stacks(thx) init_stacks () |
609 | #else |
685 | #else |
610 | static void |
686 | static void |
611 | coro_init_stacks (pTHX) |
687 | coro_init_stacks (pTHX) |
612 | { |
688 | { |
613 | PL_curstackinfo = new_stackinfo(32, 8); |
689 | PL_curstackinfo = new_stackinfo(32, 8); |
… | |
… | |
676 | #if !PERL_VERSION_ATLEAST (5,10,0) |
752 | #if !PERL_VERSION_ATLEAST (5,10,0) |
677 | Safefree (PL_retstack); |
753 | Safefree (PL_retstack); |
678 | #endif |
754 | #endif |
679 | } |
755 | } |
680 | |
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 | |
681 | static size_t |
766 | static size_t |
682 | coro_rss (pTHX_ struct coro *coro) |
767 | coro_rss (pTHX_ struct coro *coro) |
683 | { |
768 | { |
684 | size_t rss = sizeof (*coro); |
769 | size_t rss = sizeof (*coro); |
685 | |
770 | |
686 | if (coro->mainstack) |
771 | if (coro->mainstack) |
687 | { |
772 | { |
688 | perl_slots tmp_slot; |
|
|
689 | perl_slots *slot; |
|
|
690 | |
|
|
691 | if (coro->flags & CF_RUNNING) |
773 | if (coro->flags & CF_RUNNING) |
692 | { |
774 | { |
693 | slot = &tmp_slot; |
775 | #define SYM(sym) PL_ ## sym |
694 | |
776 | CORO_RSS; |
695 | #define VAR(name,type) slot->name = PL_ ## name; |
|
|
696 | # include "state.h" |
|
|
697 | #undef VAR |
777 | #undef SYM |
698 | } |
778 | } |
699 | else |
779 | else |
700 | slot = coro->slot; |
|
|
701 | |
|
|
702 | if (slot) |
|
|
703 | { |
780 | { |
704 | rss += sizeof (slot->curstackinfo); |
781 | #define SYM(sym) coro->slot->sym |
705 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
782 | CORO_RSS; |
706 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
783 | #undef SYM |
707 | rss += slot->tmps_max * sizeof (SV *); |
|
|
708 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
|
|
709 | rss += slot->scopestack_max * sizeof (I32); |
|
|
710 | rss += slot->savestack_max * sizeof (ANY); |
|
|
711 | |
|
|
712 | #if !PERL_VERSION_ATLEAST (5,10,0) |
|
|
713 | rss += slot->retstack_max * sizeof (OP *); |
|
|
714 | #endif |
|
|
715 | } |
784 | } |
716 | } |
785 | } |
717 | |
786 | |
718 | return rss; |
787 | return rss; |
719 | } |
788 | } |
… | |
… | |
732 | #endif |
801 | #endif |
733 | |
802 | |
734 | /* |
803 | /* |
735 | * This overrides the default magic get method of %SIG elements. |
804 | * This overrides the default magic get method of %SIG elements. |
736 | * 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 |
737 | * 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 |
738 | * readback here. |
807 | * readback here. |
739 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
740 | * not expecting this to actually change the hook. This is a potential problem |
|
|
741 | * when a schedule happens then, but we ignore this. |
|
|
742 | */ |
808 | */ |
743 | static int |
809 | static int |
744 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
810 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
745 | { |
811 | { |
746 | const char *s = MgPV_nolen_const (mg); |
812 | const char *s = MgPV_nolen_const (mg); |
… | |
… | |
799 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
865 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
800 | |
866 | |
801 | if (svp) |
867 | if (svp) |
802 | { |
868 | { |
803 | SV *old = *svp; |
869 | SV *old = *svp; |
804 | *svp = newSVsv (sv); |
870 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
805 | SvREFCNT_dec (old); |
871 | SvREFCNT_dec (old); |
806 | return 0; |
872 | return 0; |
807 | } |
873 | } |
808 | } |
874 | } |
809 | |
875 | |
… | |
… | |
821 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
887 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
822 | { |
888 | { |
823 | return 0; |
889 | return 0; |
824 | } |
890 | } |
825 | |
891 | |
826 | static void |
892 | static int |
|
|
893 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
|
|
894 | { |
|
|
895 | return 1; |
|
|
896 | } |
|
|
897 | |
|
|
898 | static UNOP coro_setup_op; |
|
|
899 | |
|
|
900 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
827 | coro_setup (pTHX_ struct coro *coro) |
901 | coro_setup (pTHX_ struct coro *coro) |
828 | { |
902 | { |
829 | /* |
903 | /* |
830 | * emulate part of the perl startup here. |
904 | * emulate part of the perl startup here. |
831 | */ |
905 | */ |
… | |
… | |
833 | |
907 | |
834 | PL_runops = RUNOPS_DEFAULT; |
908 | PL_runops = RUNOPS_DEFAULT; |
835 | PL_curcop = &PL_compiling; |
909 | PL_curcop = &PL_compiling; |
836 | PL_in_eval = EVAL_NULL; |
910 | PL_in_eval = EVAL_NULL; |
837 | PL_comppad = 0; |
911 | PL_comppad = 0; |
|
|
912 | PL_comppad_name = 0; |
|
|
913 | PL_comppad_name_fill = 0; |
|
|
914 | PL_comppad_name_floor = 0; |
838 | PL_curpm = 0; |
915 | PL_curpm = 0; |
839 | PL_curpad = 0; |
916 | PL_curpad = 0; |
840 | PL_localizing = 0; |
917 | PL_localizing = 0; |
841 | PL_dirty = 0; |
918 | PL_dirty = 0; |
842 | PL_restartop = 0; |
919 | PL_restartop = 0; |
843 | #if PERL_VERSION_ATLEAST (5,10,0) |
920 | #if PERL_VERSION_ATLEAST (5,10,0) |
844 | PL_parser = 0; |
921 | PL_parser = 0; |
845 | #endif |
922 | #endif |
|
|
923 | PL_hints = 0; |
846 | |
924 | |
847 | /* recreate the die/warn hooks */ |
925 | /* recreate the die/warn hooks */ |
848 | 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 ); |
849 | 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); |
850 | |
928 | |
851 | GvSV (PL_defgv) = newSV (0); |
929 | GvSV (PL_defgv) = newSV (0); |
852 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
930 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
853 | GvSV (PL_errgv) = newSV (0); |
931 | GvSV (PL_errgv) = newSV (0); |
854 | 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; |
855 | PL_rs = newSVsv (GvSV (irsgv)); |
934 | PL_rs = newSVsv (GvSV (irsgv)); |
856 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
935 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
857 | |
936 | |
858 | { |
937 | { |
859 | dSP; |
938 | dSP; |
860 | UNOP myop; |
939 | UNOP myop; |
861 | |
940 | |
862 | Zero (&myop, 1, UNOP); |
941 | Zero (&myop, 1, UNOP); |
863 | myop.op_next = Nullop; |
942 | myop.op_next = Nullop; |
|
|
943 | myop.op_type = OP_ENTERSUB; |
864 | myop.op_flags = OPf_WANT_VOID; |
944 | myop.op_flags = OPf_WANT_VOID; |
865 | |
945 | |
866 | PUSHMARK (SP); |
946 | PUSHMARK (SP); |
867 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
947 | PUSHs ((SV *)coro->startcv); |
868 | PUTBACK; |
948 | PUTBACK; |
869 | PL_op = (OP *)&myop; |
949 | PL_op = (OP *)&myop; |
870 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
950 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
871 | SPAGAIN; |
|
|
872 | } |
951 | } |
873 | |
952 | |
874 | /* 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 |
875 | * 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. |
876 | */ |
955 | */ |
877 | 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 */ |
878 | 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 */ |
879 | } |
|
|
880 | |
958 | |
|
|
959 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
|
|
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 */ |
|
|
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 | |
881 | static void |
971 | static void |
882 | coro_destruct (pTHX_ struct coro *coro) |
972 | coro_unwind_stacks (pTHX) |
883 | { |
973 | { |
884 | if (!IN_DESTRUCT) |
974 | if (!IN_DESTRUCT) |
885 | { |
975 | { |
886 | /* restore all saved variables and stuff */ |
976 | /* restore all saved variables and stuff */ |
887 | LEAVE_SCOPE (0); |
977 | LEAVE_SCOPE (0); |
… | |
… | |
895 | POPSTACK_TO (PL_mainstack); |
985 | POPSTACK_TO (PL_mainstack); |
896 | |
986 | |
897 | /* unwind main stack */ |
987 | /* unwind main stack */ |
898 | dounwind (-1); |
988 | dounwind (-1); |
899 | } |
989 | } |
|
|
990 | } |
|
|
991 | |
|
|
992 | static void |
|
|
993 | coro_destruct_perl (pTHX_ struct coro *coro) |
|
|
994 | { |
|
|
995 | coro_unwind_stacks (aTHX); |
900 | |
996 | |
901 | SvREFCNT_dec (GvSV (PL_defgv)); |
997 | SvREFCNT_dec (GvSV (PL_defgv)); |
902 | SvREFCNT_dec (GvAV (PL_defgv)); |
998 | SvREFCNT_dec (GvAV (PL_defgv)); |
903 | SvREFCNT_dec (GvSV (PL_errgv)); |
999 | SvREFCNT_dec (GvSV (PL_errgv)); |
904 | SvREFCNT_dec (PL_defoutgv); |
1000 | SvREFCNT_dec (PL_defoutgv); |
905 | SvREFCNT_dec (PL_rs); |
1001 | SvREFCNT_dec (PL_rs); |
906 | SvREFCNT_dec (GvSV (irsgv)); |
1002 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
1003 | SvREFCNT_dec (GvHV (PL_hintgv)); |
907 | |
1004 | |
908 | SvREFCNT_dec (PL_diehook); |
1005 | SvREFCNT_dec (PL_diehook); |
909 | SvREFCNT_dec (PL_warnhook); |
1006 | SvREFCNT_dec (PL_warnhook); |
910 | |
1007 | |
911 | SvREFCNT_dec (coro->saved_deffh); |
1008 | SvREFCNT_dec (coro->saved_deffh); |
912 | SvREFCNT_dec (coro->throw); |
1009 | SvREFCNT_dec (coro->rouse_cb); |
|
|
1010 | SvREFCNT_dec (coro->invoke_cb); |
|
|
1011 | SvREFCNT_dec (coro->invoke_av); |
913 | |
1012 | |
914 | coro_destruct_stacks (aTHX); |
1013 | coro_destruct_stacks (aTHX); |
915 | } |
1014 | } |
916 | |
1015 | |
917 | INLINE void |
1016 | INLINE void |
… | |
… | |
927 | static int |
1026 | static int |
928 | runops_trace (pTHX) |
1027 | runops_trace (pTHX) |
929 | { |
1028 | { |
930 | COP *oldcop = 0; |
1029 | COP *oldcop = 0; |
931 | int oldcxix = -2; |
1030 | int oldcxix = -2; |
932 | struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */ |
|
|
933 | coro_cctx *cctx = coro->cctx; |
|
|
934 | |
1031 | |
935 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
1032 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
936 | { |
1033 | { |
937 | PERL_ASYNC_CHECK (); |
1034 | PERL_ASYNC_CHECK (); |
938 | |
1035 | |
939 | if (cctx->flags & CC_TRACE_ALL) |
1036 | if (cctx_current->flags & CC_TRACE_ALL) |
940 | { |
1037 | { |
941 | 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) |
942 | { |
1039 | { |
943 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1040 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
944 | SV **bot, **top; |
1041 | SV **bot, **top; |
945 | AV *av = newAV (); /* return values */ |
1042 | AV *av = newAV (); /* return values */ |
946 | SV **cb; |
1043 | SV **cb; |
… | |
… | |
983 | |
1080 | |
984 | if (PL_curcop != &PL_compiling) |
1081 | if (PL_curcop != &PL_compiling) |
985 | { |
1082 | { |
986 | SV **cb; |
1083 | SV **cb; |
987 | |
1084 | |
988 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
1085 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
989 | { |
1086 | { |
990 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1087 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
991 | |
1088 | |
992 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1089 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
993 | { |
1090 | { |
994 | runops_proc_t old_runops = PL_runops; |
|
|
995 | dSP; |
1091 | dSP; |
996 | GV *gv = CvGV (cx->blk_sub.cv); |
1092 | GV *gv = CvGV (cx->blk_sub.cv); |
997 | SV *fullname = sv_2mortal (newSV (0)); |
1093 | SV *fullname = sv_2mortal (newSV (0)); |
998 | |
1094 | |
999 | if (isGV (gv)) |
1095 | if (isGV (gv)) |
… | |
… | |
1004 | SAVETMPS; |
1100 | SAVETMPS; |
1005 | EXTEND (SP, 3); |
1101 | EXTEND (SP, 3); |
1006 | PUSHMARK (SP); |
1102 | PUSHMARK (SP); |
1007 | PUSHs (&PL_sv_yes); |
1103 | PUSHs (&PL_sv_yes); |
1008 | PUSHs (fullname); |
1104 | PUSHs (fullname); |
1009 | 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); |
1010 | PUTBACK; |
1106 | PUTBACK; |
1011 | 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); |
1012 | 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); |
1013 | SPAGAIN; |
1109 | SPAGAIN; |
1014 | FREETMPS; |
1110 | FREETMPS; |
… | |
… | |
1017 | } |
1113 | } |
1018 | |
1114 | |
1019 | oldcxix = cxstack_ix; |
1115 | oldcxix = cxstack_ix; |
1020 | } |
1116 | } |
1021 | |
1117 | |
1022 | if (cctx->flags & CC_TRACE_LINE) |
1118 | if (cctx_current->flags & CC_TRACE_LINE) |
1023 | { |
1119 | { |
1024 | dSP; |
1120 | dSP; |
1025 | |
1121 | |
1026 | PL_runops = RUNOPS_DEFAULT; |
1122 | PL_runops = RUNOPS_DEFAULT; |
1027 | ENTER; |
1123 | ENTER; |
… | |
… | |
1046 | |
1142 | |
1047 | TAINT_NOT; |
1143 | TAINT_NOT; |
1048 | return 0; |
1144 | return 0; |
1049 | } |
1145 | } |
1050 | |
1146 | |
|
|
1147 | static struct CoroSLF cctx_ssl_frame; |
|
|
1148 | |
1051 | static void |
1149 | static void |
1052 | prepare_set_stacklevel (struct coro_transfer_args *ta, struct coro_cctx *cctx) |
1150 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1053 | { |
1151 | { |
1054 | ta->prev = (struct coro *)cctx; |
|
|
1055 | ta->next = 0; |
1152 | ta->prev = 0; |
1056 | } |
1153 | } |
1057 | |
1154 | |
1058 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
1155 | static int |
1059 | /* _cctx_init should be careful, as it could be called at almost any time */ |
1156 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1060 | /* during execution of a perl program */ |
1157 | { |
1061 | /* 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 */ |
1062 | static void NOINLINE |
1164 | static void NOINLINE |
1063 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1165 | cctx_prepare (pTHX) |
1064 | { |
1166 | { |
1065 | dSP; |
|
|
1066 | UNOP myop; |
|
|
1067 | |
|
|
1068 | PL_top_env = &PL_start_env; |
1167 | PL_top_env = &PL_start_env; |
1069 | |
1168 | |
1070 | if (cctx->flags & CC_TRACE) |
1169 | if (cctx_current->flags & CC_TRACE) |
1071 | PL_runops = runops_trace; |
1170 | PL_runops = runops_trace; |
1072 | |
1171 | |
1073 | Zero (&myop, 1, UNOP); |
1172 | /* we already must be executing an SLF op, there is no other valid way |
1074 | myop.op_next = PL_op; |
1173 | * that can lead to creation of a new cctx */ |
1075 | 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)); |
1076 | |
1176 | |
1077 | PUSHMARK (SP); |
1177 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1078 | EXTEND (SP, 2); |
1178 | cctx_ssl_frame = slf_frame; |
1079 | PUSHs (sv_2mortal (newSViv ((IV)cctx))); |
1179 | |
1080 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
1180 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1081 | PUTBACK; |
1181 | slf_frame.check = slf_check_set_stacklevel; |
1082 | PL_op = (OP *)&myop; |
|
|
1083 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
1084 | SPAGAIN; |
|
|
1085 | } |
1182 | } |
1086 | |
1183 | |
1087 | /* 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 */ |
1088 | INLINE void |
1185 | INLINE void |
1089 | transfer_tail (pTHX) |
1186 | transfer_tail (pTHX) |
… | |
… | |
1108 | /* normally we would need to skip the entersub here */ |
1205 | /* normally we would need to skip the entersub here */ |
1109 | /* 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 */ |
1110 | /* PL_nop = PL_nop->op_next */ |
1207 | /* PL_nop = PL_nop->op_next */ |
1111 | |
1208 | |
1112 | /* inject a fake subroutine call to cctx_init */ |
1209 | /* inject a fake subroutine call to cctx_init */ |
1113 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1210 | cctx_prepare (aTHX); |
1114 | |
1211 | |
1115 | /* cctx_run is the alternative tail of transfer() */ |
1212 | /* cctx_run is the alternative tail of transfer() */ |
1116 | transfer_tail (aTHX); |
1213 | transfer_tail (aTHX); |
1117 | |
1214 | |
1118 | /* 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 */ |
1119 | PL_restartop = PL_op; |
1216 | PL_restartop = PL_op; |
1120 | 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 | */ |
1121 | |
1222 | |
1122 | /* |
1223 | /* |
1123 | * 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 |
1124 | * 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) |
1125 | * 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 |
1126 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1227 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1127 | * 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. |
1128 | */ |
1231 | */ |
1129 | PL_top_env = main_top_env; |
1232 | PL_top_env = main_top_env; |
1130 | 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 */ |
1131 | } |
1234 | } |
1132 | } |
1235 | } |
… | |
… | |
1209 | cctx_destroy (coro_cctx *cctx) |
1312 | cctx_destroy (coro_cctx *cctx) |
1210 | { |
1313 | { |
1211 | if (!cctx) |
1314 | if (!cctx) |
1212 | return; |
1315 | return; |
1213 | |
1316 | |
|
|
1317 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
|
|
1318 | |
1214 | --cctx_count; |
1319 | --cctx_count; |
1215 | coro_destroy (&cctx->cctx); |
1320 | coro_destroy (&cctx->cctx); |
1216 | |
1321 | |
1217 | /* coro_transfer creates new, empty cctx's */ |
1322 | /* coro_transfer creates new, empty cctx's */ |
1218 | if (cctx->sptr) |
1323 | if (cctx->sptr) |
… | |
… | |
1276 | /** coroutine switching *****************************************************/ |
1381 | /** coroutine switching *****************************************************/ |
1277 | |
1382 | |
1278 | static void |
1383 | static void |
1279 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1384 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1280 | { |
1385 | { |
|
|
1386 | /* TODO: throwing up here is considered harmful */ |
|
|
1387 | |
1281 | if (expect_true (prev != next)) |
1388 | if (expect_true (prev != next)) |
1282 | { |
1389 | { |
1283 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1390 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1284 | 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,"); |
1285 | |
1392 | |
1286 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1287 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1288 | |
|
|
1289 | if (expect_false (next->flags & CF_DESTROYED)) |
1393 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1290 | 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,"); |
1291 | |
1395 | |
1292 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1396 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1293 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1397 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1294 | 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,"); |
1295 | #endif |
1399 | #endif |
1296 | } |
1400 | } |
1297 | } |
1401 | } |
1298 | |
1402 | |
1299 | /* always use the TRANSFER macro */ |
1403 | /* always use the TRANSFER macro */ |
1300 | static void NOINLINE |
1404 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1301 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1405 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1302 | { |
1406 | { |
1303 | dSTACKLEVEL; |
1407 | dSTACKLEVEL; |
1304 | |
1408 | |
1305 | /* sometimes transfer is only called to set idle_sp */ |
1409 | /* sometimes transfer is only called to set idle_sp */ |
1306 | if (expect_false (!next)) |
1410 | if (expect_false (!prev)) |
1307 | { |
1411 | { |
1308 | ((coro_cctx *)prev)->idle_sp = (void *)stacklevel; |
1412 | cctx_current->idle_sp = STACKLEVEL; |
1309 | 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 */ |
1310 | } |
1414 | } |
1311 | else if (expect_true (prev != next)) |
1415 | else if (expect_true (prev != next)) |
1312 | { |
1416 | { |
1313 | coro_cctx *prev__cctx; |
1417 | coro_cctx *cctx_prev; |
1314 | |
1418 | |
1315 | if (expect_false (prev->flags & CF_NEW)) |
1419 | if (expect_false (prev->flags & CF_NEW)) |
1316 | { |
1420 | { |
1317 | /* create a new empty/source context */ |
1421 | /* create a new empty/source context */ |
1318 | prev->cctx = cctx_new_empty (); |
|
|
1319 | prev->flags &= ~CF_NEW; |
1422 | prev->flags &= ~CF_NEW; |
1320 | prev->flags |= CF_RUNNING; |
1423 | prev->flags |= CF_RUNNING; |
1321 | } |
1424 | } |
1322 | |
1425 | |
1323 | prev->flags &= ~CF_RUNNING; |
1426 | prev->flags &= ~CF_RUNNING; |
… | |
… | |
1334 | coro_setup (aTHX_ next); |
1437 | coro_setup (aTHX_ next); |
1335 | } |
1438 | } |
1336 | else |
1439 | else |
1337 | load_perl (aTHX_ next); |
1440 | load_perl (aTHX_ next); |
1338 | |
1441 | |
1339 | prev__cctx = prev->cctx; |
|
|
1340 | |
|
|
1341 | /* possibly untie and reuse the cctx */ |
1442 | /* possibly untie and reuse the cctx */ |
1342 | if (expect_true ( |
1443 | if (expect_true ( |
1343 | prev__cctx->idle_sp == (void *)stacklevel |
1444 | cctx_current->idle_sp == STACKLEVEL |
1344 | && !(prev__cctx->flags & CC_TRACE) |
1445 | && !(cctx_current->flags & CC_TRACE) |
1345 | && !force_cctx |
1446 | && !force_cctx |
1346 | )) |
1447 | )) |
1347 | { |
1448 | { |
1348 | /* 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 */ |
1349 | 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)); |
1350 | |
1451 | |
1351 | prev->cctx = 0; |
|
|
1352 | |
|
|
1353 | /* 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. */ |
1354 | /* 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 */ |
1355 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1454 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1356 | if (!next->cctx) |
1455 | if (expect_true (!next->cctx)) |
1357 | next->cctx = cctx_get (aTHX); |
1456 | next->cctx = cctx_get (aTHX); |
1358 | |
1457 | |
1359 | cctx_put (prev__cctx); |
1458 | cctx_put (cctx_current); |
1360 | } |
1459 | } |
|
|
1460 | else |
|
|
1461 | prev->cctx = cctx_current; |
1361 | |
1462 | |
1362 | ++next->usecount; |
1463 | ++next->usecount; |
1363 | |
1464 | |
1364 | if (expect_true (!next->cctx)) |
1465 | cctx_prev = cctx_current; |
1365 | next->cctx = cctx_get (aTHX); |
1466 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1366 | |
1467 | |
1367 | if (expect_false (prev__cctx != next->cctx)) |
1468 | next->cctx = 0; |
|
|
1469 | |
|
|
1470 | if (expect_false (cctx_prev != cctx_current)) |
1368 | { |
1471 | { |
1369 | prev__cctx->top_env = PL_top_env; |
1472 | cctx_prev->top_env = PL_top_env; |
1370 | PL_top_env = next->cctx->top_env; |
1473 | PL_top_env = cctx_current->top_env; |
1371 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1474 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1372 | } |
1475 | } |
1373 | |
1476 | |
1374 | transfer_tail (aTHX); |
1477 | transfer_tail (aTHX); |
1375 | } |
1478 | } |
1376 | } |
1479 | } |
… | |
… | |
1384 | coro_state_destroy (pTHX_ struct coro *coro) |
1487 | coro_state_destroy (pTHX_ struct coro *coro) |
1385 | { |
1488 | { |
1386 | if (coro->flags & CF_DESTROYED) |
1489 | if (coro->flags & CF_DESTROYED) |
1387 | return 0; |
1490 | return 0; |
1388 | |
1491 | |
1389 | if (coro->on_destroy) |
1492 | if (coro->on_destroy && !PL_dirty) |
1390 | coro->on_destroy (aTHX_ coro); |
1493 | coro->on_destroy (aTHX_ coro); |
1391 | |
1494 | |
1392 | coro->flags |= CF_DESTROYED; |
1495 | coro->flags |= CF_DESTROYED; |
1393 | |
1496 | |
1394 | if (coro->flags & CF_READY) |
1497 | if (coro->flags & CF_READY) |
… | |
… | |
1398 | --coro_nready; |
1501 | --coro_nready; |
1399 | } |
1502 | } |
1400 | else |
1503 | else |
1401 | 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 */ |
1402 | |
1505 | |
1403 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1506 | if (coro->mainstack |
|
|
1507 | && coro->mainstack != main_mainstack |
|
|
1508 | && coro->slot |
|
|
1509 | && !PL_dirty) |
1404 | { |
1510 | { |
1405 | struct coro temp; |
1511 | struct coro *current = SvSTATE_current; |
1406 | |
1512 | |
1407 | 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)); |
1408 | |
1514 | |
1409 | save_perl (aTHX_ &temp); |
1515 | save_perl (aTHX_ current); |
1410 | load_perl (aTHX_ coro); |
1516 | load_perl (aTHX_ coro); |
1411 | |
1517 | |
1412 | coro_destruct (aTHX_ coro); |
1518 | coro_destruct_perl (aTHX_ coro); |
1413 | |
1519 | |
1414 | load_perl (aTHX_ &temp); |
1520 | load_perl (aTHX_ current); |
1415 | |
1521 | |
1416 | coro->slot = 0; |
1522 | coro->slot = 0; |
1417 | } |
1523 | } |
1418 | |
1524 | |
1419 | cctx_destroy (coro->cctx); |
1525 | cctx_destroy (coro->cctx); |
|
|
1526 | SvREFCNT_dec (coro->startcv); |
1420 | SvREFCNT_dec (coro->args); |
1527 | SvREFCNT_dec (coro->args); |
|
|
1528 | SvREFCNT_dec (CORO_THROW); |
1421 | |
1529 | |
1422 | if (coro->next) coro->next->prev = coro->prev; |
1530 | if (coro->next) coro->next->prev = coro->prev; |
1423 | if (coro->prev) coro->prev->next = coro->next; |
1531 | if (coro->prev) coro->prev->next = coro->next; |
1424 | if (coro == coro_first) coro_first = coro->next; |
1532 | if (coro == coro_first) coro_first = coro->next; |
1425 | |
1533 | |
… | |
… | |
1479 | |
1587 | |
1480 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1588 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1481 | TRANSFER (ta, 1); |
1589 | TRANSFER (ta, 1); |
1482 | } |
1590 | } |
1483 | |
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 | |
1484 | /** Coro ********************************************************************/ |
1615 | /** Coro ********************************************************************/ |
1485 | |
1616 | |
1486 | INLINE void |
1617 | INLINE void |
1487 | coro_enq (pTHX_ struct coro *coro) |
1618 | coro_enq (pTHX_ struct coro *coro) |
1488 | { |
1619 | { |
1489 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1620 | struct coro **ready = coro_ready [coro->prio - PRIO_MIN]; |
1490 | } |
|
|
1491 | |
1621 | |
1492 | 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 * |
1493 | coro_deq (pTHX) |
1630 | coro_deq (pTHX) |
1494 | { |
1631 | { |
1495 | int prio; |
1632 | int prio; |
1496 | |
1633 | |
1497 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1634 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1498 | if (AvFILLp (coro_ready [prio]) >= 0) |
1635 | { |
1499 | return av_shift (coro_ready [prio]); |
1636 | struct coro **ready = coro_ready [prio]; |
|
|
1637 | |
|
|
1638 | if (ready [0]) |
|
|
1639 | { |
|
|
1640 | struct coro *coro = ready [0]; |
|
|
1641 | ready [0] = coro->next_ready; |
|
|
1642 | return coro; |
|
|
1643 | } |
|
|
1644 | } |
1500 | |
1645 | |
1501 | return 0; |
1646 | return 0; |
1502 | } |
1647 | } |
1503 | |
1648 | |
1504 | static int |
1649 | static int |
… | |
… | |
1506 | { |
1651 | { |
1507 | struct coro *coro; |
1652 | struct coro *coro; |
1508 | SV *sv_hook; |
1653 | SV *sv_hook; |
1509 | void (*xs_hook)(void); |
1654 | void (*xs_hook)(void); |
1510 | |
1655 | |
1511 | if (SvROK (coro_sv)) |
|
|
1512 | coro_sv = SvRV (coro_sv); |
|
|
1513 | |
|
|
1514 | coro = SvSTATE (coro_sv); |
1656 | coro = SvSTATE (coro_sv); |
1515 | |
1657 | |
1516 | if (coro->flags & CF_READY) |
1658 | if (coro->flags & CF_READY) |
1517 | return 0; |
1659 | return 0; |
1518 | |
1660 | |
… | |
… | |
1531 | ENTER; |
1673 | ENTER; |
1532 | SAVETMPS; |
1674 | SAVETMPS; |
1533 | |
1675 | |
1534 | PUSHMARK (SP); |
1676 | PUSHMARK (SP); |
1535 | PUTBACK; |
1677 | PUTBACK; |
1536 | call_sv (sv_hook, G_DISCARD); |
1678 | call_sv (sv_hook, G_VOID | G_DISCARD); |
1537 | SPAGAIN; |
|
|
1538 | |
1679 | |
1539 | FREETMPS; |
1680 | FREETMPS; |
1540 | LEAVE; |
1681 | LEAVE; |
1541 | } |
1682 | } |
1542 | |
1683 | |
… | |
… | |
1550 | api_is_ready (pTHX_ SV *coro_sv) |
1691 | api_is_ready (pTHX_ SV *coro_sv) |
1551 | { |
1692 | { |
1552 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1693 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1553 | } |
1694 | } |
1554 | |
1695 | |
|
|
1696 | /* expects to own a reference to next->hv */ |
1555 | INLINE void |
1697 | INLINE void |
1556 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1698 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1557 | { |
1699 | { |
1558 | SV *prev_sv, *next_sv; |
|
|
1559 | |
|
|
1560 | for (;;) |
|
|
1561 | { |
|
|
1562 | next_sv = coro_deq (aTHX); |
|
|
1563 | |
|
|
1564 | /* nothing to schedule: call the idle handler */ |
|
|
1565 | if (expect_false (!next_sv)) |
|
|
1566 | { |
|
|
1567 | dSP; |
|
|
1568 | |
|
|
1569 | ENTER; |
|
|
1570 | SAVETMPS; |
|
|
1571 | |
|
|
1572 | PUSHMARK (SP); |
|
|
1573 | PUTBACK; |
|
|
1574 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
|
|
1575 | SPAGAIN; |
|
|
1576 | |
|
|
1577 | FREETMPS; |
|
|
1578 | LEAVE; |
|
|
1579 | continue; |
|
|
1580 | } |
|
|
1581 | |
|
|
1582 | ta->next = SvSTATE_hv (next_sv); |
|
|
1583 | |
|
|
1584 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1585 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
|
|
1586 | { |
|
|
1587 | SvREFCNT_dec (next_sv); |
|
|
1588 | /* coro_nready has already been taken care of by destroy */ |
|
|
1589 | continue; |
|
|
1590 | } |
|
|
1591 | |
|
|
1592 | --coro_nready; |
|
|
1593 | break; |
|
|
1594 | } |
|
|
1595 | |
|
|
1596 | /* free this only after the transfer */ |
|
|
1597 | prev_sv = SvRV (coro_current); |
1700 | SV *prev_sv = SvRV (coro_current); |
|
|
1701 | |
1598 | ta->prev = SvSTATE_hv (prev_sv); |
1702 | ta->prev = SvSTATE_hv (prev_sv); |
|
|
1703 | ta->next = next; |
|
|
1704 | |
1599 | TRANSFER_CHECK (*ta); |
1705 | TRANSFER_CHECK (*ta); |
1600 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
1706 | |
1601 | ta->next->flags &= ~CF_READY; |
|
|
1602 | SvRV_set (coro_current, next_sv); |
1707 | SvRV_set (coro_current, (SV *)next->hv); |
1603 | |
1708 | |
1604 | free_coro_mortal (aTHX); |
1709 | free_coro_mortal (aTHX); |
1605 | coro_mortal = prev_sv; |
1710 | coro_mortal = prev_sv; |
1606 | } |
1711 | } |
1607 | |
1712 | |
|
|
1713 | static void |
|
|
1714 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
|
|
1715 | { |
|
|
1716 | for (;;) |
|
|
1717 | { |
|
|
1718 | struct coro *next = coro_deq (aTHX); |
|
|
1719 | |
|
|
1720 | if (expect_true (next)) |
|
|
1721 | { |
|
|
1722 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1723 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
|
|
1724 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
|
|
1725 | else |
|
|
1726 | { |
|
|
1727 | next->flags &= ~CF_READY; |
|
|
1728 | --coro_nready; |
|
|
1729 | |
|
|
1730 | prepare_schedule_to (aTHX_ ta, next); |
|
|
1731 | break; |
|
|
1732 | } |
|
|
1733 | } |
|
|
1734 | else |
|
|
1735 | { |
|
|
1736 | /* nothing to schedule: call the idle handler */ |
|
|
1737 | if (SvROK (sv_idle) |
|
|
1738 | && SvOBJECT (SvRV (sv_idle))) |
|
|
1739 | { |
|
|
1740 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
|
|
1741 | api_ready (aTHX_ SvRV (sv_idle)); |
|
|
1742 | --coro_nready; |
|
|
1743 | } |
|
|
1744 | else |
|
|
1745 | { |
|
|
1746 | dSP; |
|
|
1747 | |
|
|
1748 | ENTER; |
|
|
1749 | SAVETMPS; |
|
|
1750 | |
|
|
1751 | PUSHMARK (SP); |
|
|
1752 | PUTBACK; |
|
|
1753 | call_sv (sv_idle, G_VOID | G_DISCARD); |
|
|
1754 | |
|
|
1755 | FREETMPS; |
|
|
1756 | LEAVE; |
|
|
1757 | } |
|
|
1758 | } |
|
|
1759 | } |
|
|
1760 | } |
|
|
1761 | |
1608 | INLINE void |
1762 | INLINE void |
1609 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1763 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1610 | { |
1764 | { |
1611 | api_ready (aTHX_ coro_current); |
1765 | api_ready (aTHX_ coro_current); |
1612 | prepare_schedule (aTHX_ ta); |
1766 | prepare_schedule (aTHX_ ta); |
… | |
… | |
1631 | { |
1785 | { |
1632 | struct coro_transfer_args ta; |
1786 | struct coro_transfer_args ta; |
1633 | |
1787 | |
1634 | prepare_schedule (aTHX_ &ta); |
1788 | prepare_schedule (aTHX_ &ta); |
1635 | TRANSFER (ta, 1); |
1789 | TRANSFER (ta, 1); |
|
|
1790 | } |
|
|
1791 | |
|
|
1792 | static void |
|
|
1793 | api_schedule_to (pTHX_ SV *coro_sv) |
|
|
1794 | { |
|
|
1795 | struct coro_transfer_args ta; |
|
|
1796 | struct coro *next = SvSTATE (coro_sv); |
|
|
1797 | |
|
|
1798 | SvREFCNT_inc_NN (coro_sv); |
|
|
1799 | prepare_schedule_to (aTHX_ &ta, next); |
1636 | } |
1800 | } |
1637 | |
1801 | |
1638 | static int |
1802 | static int |
1639 | api_cede (pTHX) |
1803 | api_cede (pTHX) |
1640 | { |
1804 | { |
… | |
… | |
1669 | static void |
1833 | static void |
1670 | api_trace (pTHX_ SV *coro_sv, int flags) |
1834 | api_trace (pTHX_ SV *coro_sv, int flags) |
1671 | { |
1835 | { |
1672 | struct coro *coro = SvSTATE (coro_sv); |
1836 | struct coro *coro = SvSTATE (coro_sv); |
1673 | |
1837 | |
|
|
1838 | if (coro->flags & CF_RUNNING) |
|
|
1839 | croak ("cannot enable tracing on a running coroutine, caught"); |
|
|
1840 | |
1674 | if (flags & CC_TRACE) |
1841 | if (flags & CC_TRACE) |
1675 | { |
1842 | { |
1676 | if (!coro->cctx) |
1843 | if (!coro->cctx) |
1677 | coro->cctx = cctx_new_run (); |
1844 | coro->cctx = cctx_new_run (); |
1678 | else if (!(coro->cctx->flags & CC_TRACE)) |
1845 | else if (!(coro->cctx->flags & CC_TRACE)) |
1679 | croak ("cannot enable tracing on coroutine with custom stack,"); |
1846 | croak ("cannot enable tracing on coroutine with custom stack, caught"); |
1680 | |
1847 | |
1681 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1848 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1682 | } |
1849 | } |
1683 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1850 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1684 | { |
1851 | { |
… | |
… | |
1687 | if (coro->flags & CF_RUNNING) |
1854 | if (coro->flags & CF_RUNNING) |
1688 | PL_runops = RUNOPS_DEFAULT; |
1855 | PL_runops = RUNOPS_DEFAULT; |
1689 | else |
1856 | else |
1690 | coro->slot->runops = RUNOPS_DEFAULT; |
1857 | coro->slot->runops = RUNOPS_DEFAULT; |
1691 | } |
1858 | } |
|
|
1859 | } |
|
|
1860 | |
|
|
1861 | static void |
|
|
1862 | coro_call_on_destroy (pTHX_ struct coro *coro) |
|
|
1863 | { |
|
|
1864 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
|
|
1865 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1866 | |
|
|
1867 | if (on_destroyp) |
|
|
1868 | { |
|
|
1869 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1870 | |
|
|
1871 | while (AvFILLp (on_destroy) >= 0) |
|
|
1872 | { |
|
|
1873 | dSP; /* don't disturb outer sp */ |
|
|
1874 | SV *cb = av_pop (on_destroy); |
|
|
1875 | |
|
|
1876 | PUSHMARK (SP); |
|
|
1877 | |
|
|
1878 | if (statusp) |
|
|
1879 | { |
|
|
1880 | int i; |
|
|
1881 | AV *status = (AV *)SvRV (*statusp); |
|
|
1882 | EXTEND (SP, AvFILLp (status) + 1); |
|
|
1883 | |
|
|
1884 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1885 | PUSHs (AvARRAY (status)[i]); |
|
|
1886 | } |
|
|
1887 | |
|
|
1888 | PUTBACK; |
|
|
1889 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
|
|
1890 | } |
|
|
1891 | } |
|
|
1892 | } |
|
|
1893 | |
|
|
1894 | static void |
|
|
1895 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1896 | { |
|
|
1897 | int i; |
|
|
1898 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1899 | AV *av = newAV (); |
|
|
1900 | |
|
|
1901 | av_extend (av, items - 1); |
|
|
1902 | for (i = 0; i < items; ++i) |
|
|
1903 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
1904 | |
|
|
1905 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
1906 | |
|
|
1907 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
|
|
1908 | api_ready (aTHX_ sv_manager); |
|
|
1909 | |
|
|
1910 | frame->prepare = prepare_schedule; |
|
|
1911 | frame->check = slf_check_repeat; |
|
|
1912 | |
|
|
1913 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
1914 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
1915 | /*coro_unwind_stacks (aTHX);*/ |
|
|
1916 | } |
|
|
1917 | |
|
|
1918 | /*****************************************************************************/ |
|
|
1919 | /* async pool handler */ |
|
|
1920 | |
|
|
1921 | static int |
|
|
1922 | slf_check_pool_handler (pTHX_ struct CoroSLF *frame) |
|
|
1923 | { |
|
|
1924 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1925 | struct coro *coro = (struct coro *)frame->data; |
|
|
1926 | |
|
|
1927 | if (!coro->invoke_cb) |
|
|
1928 | return 1; /* loop till we have invoke */ |
|
|
1929 | else |
|
|
1930 | { |
|
|
1931 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
1932 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
1933 | |
|
|
1934 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
1935 | |
|
|
1936 | { |
|
|
1937 | dSP; |
|
|
1938 | XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0; |
|
|
1939 | PUTBACK; |
|
|
1940 | } |
|
|
1941 | |
|
|
1942 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
1943 | GvAV (PL_defgv) = coro->invoke_av; |
|
|
1944 | coro->invoke_av = 0; |
|
|
1945 | |
|
|
1946 | return 0; |
|
|
1947 | } |
|
|
1948 | } |
|
|
1949 | |
|
|
1950 | static void |
|
|
1951 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1952 | { |
|
|
1953 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1954 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
1955 | |
|
|
1956 | if (expect_true (coro->saved_deffh)) |
|
|
1957 | { |
|
|
1958 | /* subsequent iteration */ |
|
|
1959 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
1960 | coro->saved_deffh = 0; |
|
|
1961 | |
|
|
1962 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
1963 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1964 | { |
|
|
1965 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
|
|
1966 | coro->invoke_av = newAV (); |
|
|
1967 | |
|
|
1968 | frame->prepare = prepare_nop; |
|
|
1969 | } |
|
|
1970 | else |
|
|
1971 | { |
|
|
1972 | av_clear (GvAV (PL_defgv)); |
|
|
1973 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
|
|
1974 | |
|
|
1975 | coro->prio = 0; |
|
|
1976 | |
|
|
1977 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
1978 | api_trace (aTHX_ coro_current, 0); |
|
|
1979 | |
|
|
1980 | frame->prepare = prepare_schedule; |
|
|
1981 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
|
|
1982 | } |
|
|
1983 | } |
|
|
1984 | else |
|
|
1985 | { |
|
|
1986 | /* first iteration, simply fall through */ |
|
|
1987 | frame->prepare = prepare_nop; |
|
|
1988 | } |
|
|
1989 | |
|
|
1990 | frame->check = slf_check_pool_handler; |
|
|
1991 | frame->data = (void *)coro; |
|
|
1992 | } |
|
|
1993 | |
|
|
1994 | /*****************************************************************************/ |
|
|
1995 | /* rouse callback */ |
|
|
1996 | |
|
|
1997 | #define CORO_MAGIC_type_rouse PERL_MAGIC_ext |
|
|
1998 | |
|
|
1999 | static void |
|
|
2000 | coro_rouse_callback (pTHX_ CV *cv) |
|
|
2001 | { |
|
|
2002 | dXSARGS; |
|
|
2003 | SV *data = (SV *)GENSUB_ARG; |
|
|
2004 | |
|
|
2005 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
2006 | { |
|
|
2007 | /* first call, set args */ |
|
|
2008 | SV *coro = SvRV (data); |
|
|
2009 | AV *av = newAV (); |
|
|
2010 | |
|
|
2011 | SvRV_set (data, (SV *)av); |
|
|
2012 | |
|
|
2013 | /* better take a full copy of the arguments */ |
|
|
2014 | while (items--) |
|
|
2015 | av_store (av, items, newSVsv (ST (items))); |
|
|
2016 | |
|
|
2017 | api_ready (aTHX_ coro); |
|
|
2018 | SvREFCNT_dec (coro); |
|
|
2019 | } |
|
|
2020 | |
|
|
2021 | XSRETURN_EMPTY; |
|
|
2022 | } |
|
|
2023 | |
|
|
2024 | static int |
|
|
2025 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
|
|
2026 | { |
|
|
2027 | SV *data = (SV *)frame->data; |
|
|
2028 | |
|
|
2029 | if (CORO_THROW) |
|
|
2030 | return 0; |
|
|
2031 | |
|
|
2032 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
2033 | return 1; |
|
|
2034 | |
|
|
2035 | /* now push all results on the stack */ |
|
|
2036 | { |
|
|
2037 | dSP; |
|
|
2038 | AV *av = (AV *)SvRV (data); |
|
|
2039 | int i; |
|
|
2040 | |
|
|
2041 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2042 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2043 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
|
|
2044 | |
|
|
2045 | /* we have stolen the elements, so set length to zero and free */ |
|
|
2046 | AvFILLp (av) = -1; |
|
|
2047 | av_undef (av); |
|
|
2048 | |
|
|
2049 | PUTBACK; |
|
|
2050 | } |
|
|
2051 | |
|
|
2052 | return 0; |
|
|
2053 | } |
|
|
2054 | |
|
|
2055 | static void |
|
|
2056 | slf_init_rouse_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2057 | { |
|
|
2058 | SV *cb; |
|
|
2059 | |
|
|
2060 | if (items) |
|
|
2061 | cb = arg [0]; |
|
|
2062 | else |
|
|
2063 | { |
|
|
2064 | struct coro *coro = SvSTATE_current; |
|
|
2065 | |
|
|
2066 | if (!coro->rouse_cb) |
|
|
2067 | croak ("Coro::rouse_wait called without rouse callback, and no default rouse callback found either,"); |
|
|
2068 | |
|
|
2069 | cb = sv_2mortal (coro->rouse_cb); |
|
|
2070 | coro->rouse_cb = 0; |
|
|
2071 | } |
|
|
2072 | |
|
|
2073 | if (!SvROK (cb) |
|
|
2074 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
|
|
2075 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
|
|
2076 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
|
|
2077 | |
|
|
2078 | { |
|
|
2079 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
|
|
2080 | SV *data = (SV *)GENSUB_ARG; |
|
|
2081 | |
|
|
2082 | frame->data = (void *)data; |
|
|
2083 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
|
|
2084 | frame->check = slf_check_rouse_wait; |
|
|
2085 | } |
|
|
2086 | } |
|
|
2087 | |
|
|
2088 | static SV * |
|
|
2089 | coro_new_rouse_cb (pTHX) |
|
|
2090 | { |
|
|
2091 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2092 | struct coro *coro = SvSTATE_hv (hv); |
|
|
2093 | SV *data = newRV_inc ((SV *)hv); |
|
|
2094 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
|
|
2095 | |
|
|
2096 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
|
|
2097 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
|
|
2098 | |
|
|
2099 | SvREFCNT_dec (coro->rouse_cb); |
|
|
2100 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
|
|
2101 | |
|
|
2102 | return cb; |
|
|
2103 | } |
|
|
2104 | |
|
|
2105 | /*****************************************************************************/ |
|
|
2106 | /* schedule-like-function opcode (SLF) */ |
|
|
2107 | |
|
|
2108 | static UNOP slf_restore; /* restore stack as entersub did, for first-re-run */ |
|
|
2109 | static const CV *slf_cv; |
|
|
2110 | static SV **slf_argv; |
|
|
2111 | static int slf_argc, slf_arga; /* count, allocated */ |
|
|
2112 | static I32 slf_ax; /* top of stack, for restore */ |
|
|
2113 | |
|
|
2114 | /* this restores the stack in the case we patched the entersub, to */ |
|
|
2115 | /* recreate the stack frame as perl will on following calls */ |
|
|
2116 | /* since entersub cleared the stack */ |
|
|
2117 | static OP * |
|
|
2118 | pp_restore (pTHX) |
|
|
2119 | { |
|
|
2120 | int i; |
|
|
2121 | SV **SP = PL_stack_base + slf_ax; |
|
|
2122 | |
|
|
2123 | PUSHMARK (SP); |
|
|
2124 | |
|
|
2125 | EXTEND (SP, slf_argc + 1); |
|
|
2126 | |
|
|
2127 | for (i = 0; i < slf_argc; ++i) |
|
|
2128 | PUSHs (sv_2mortal (slf_argv [i])); |
|
|
2129 | |
|
|
2130 | PUSHs ((SV *)CvGV (slf_cv)); |
|
|
2131 | |
|
|
2132 | RETURNOP (slf_restore.op_first); |
|
|
2133 | } |
|
|
2134 | |
|
|
2135 | static void |
|
|
2136 | slf_prepare_transfer (pTHX_ struct coro_transfer_args *ta) |
|
|
2137 | { |
|
|
2138 | SV **arg = (SV **)slf_frame.data; |
|
|
2139 | |
|
|
2140 | prepare_transfer (aTHX_ ta, arg [0], arg [1]); |
|
|
2141 | } |
|
|
2142 | |
|
|
2143 | static void |
|
|
2144 | slf_init_transfer (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2145 | { |
|
|
2146 | if (items != 2) |
|
|
2147 | croak ("Coro::State::transfer (prev, next) expects two arguments, not %d,", items); |
|
|
2148 | |
|
|
2149 | frame->prepare = slf_prepare_transfer; |
|
|
2150 | frame->check = slf_check_nop; |
|
|
2151 | frame->data = (void *)arg; /* let's hope it will stay valid */ |
|
|
2152 | } |
|
|
2153 | |
|
|
2154 | static void |
|
|
2155 | slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2156 | { |
|
|
2157 | frame->prepare = prepare_schedule; |
|
|
2158 | frame->check = slf_check_nop; |
|
|
2159 | } |
|
|
2160 | |
|
|
2161 | static void |
|
|
2162 | slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta) |
|
|
2163 | { |
|
|
2164 | struct coro *next = (struct coro *)slf_frame.data; |
|
|
2165 | |
|
|
2166 | SvREFCNT_inc_NN (next->hv); |
|
|
2167 | prepare_schedule_to (aTHX_ ta, next); |
|
|
2168 | } |
|
|
2169 | |
|
|
2170 | static void |
|
|
2171 | slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2172 | { |
|
|
2173 | if (!items) |
|
|
2174 | croak ("Coro::schedule_to expects a coroutine argument, caught"); |
|
|
2175 | |
|
|
2176 | frame->data = (void *)SvSTATE (arg [0]); |
|
|
2177 | frame->prepare = slf_prepare_schedule_to; |
|
|
2178 | frame->check = slf_check_nop; |
|
|
2179 | } |
|
|
2180 | |
|
|
2181 | static void |
|
|
2182 | slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2183 | { |
|
|
2184 | api_ready (aTHX_ SvRV (coro_current)); |
|
|
2185 | |
|
|
2186 | slf_init_schedule_to (aTHX_ frame, cv, arg, items); |
|
|
2187 | } |
|
|
2188 | |
|
|
2189 | static void |
|
|
2190 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2191 | { |
|
|
2192 | frame->prepare = prepare_cede; |
|
|
2193 | frame->check = slf_check_nop; |
|
|
2194 | } |
|
|
2195 | |
|
|
2196 | static void |
|
|
2197 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2198 | { |
|
|
2199 | frame->prepare = prepare_cede_notself; |
|
|
2200 | frame->check = slf_check_nop; |
|
|
2201 | } |
|
|
2202 | |
|
|
2203 | /* |
|
|
2204 | * these not obviously related functions are all rolled into one |
|
|
2205 | * function to increase chances that they all will call transfer with the same |
|
|
2206 | * stack offset |
|
|
2207 | * SLF stands for "schedule-like-function". |
|
|
2208 | */ |
|
|
2209 | static OP * |
|
|
2210 | pp_slf (pTHX) |
|
|
2211 | { |
|
|
2212 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
|
|
2213 | |
|
|
2214 | /* set up the slf frame, unless it has already been set-up */ |
|
|
2215 | /* the latter happens when a new coro has been started */ |
|
|
2216 | /* or when a new cctx was attached to an existing coroutine */ |
|
|
2217 | if (expect_true (!slf_frame.prepare)) |
|
|
2218 | { |
|
|
2219 | /* first iteration */ |
|
|
2220 | dSP; |
|
|
2221 | SV **arg = PL_stack_base + TOPMARK + 1; |
|
|
2222 | int items = SP - arg; /* args without function object */ |
|
|
2223 | SV *gv = *sp; |
|
|
2224 | |
|
|
2225 | /* do a quick consistency check on the "function" object, and if it isn't */ |
|
|
2226 | /* for us, divert to the real entersub */ |
|
|
2227 | if (SvTYPE (gv) != SVt_PVGV |
|
|
2228 | || !GvCV (gv) |
|
|
2229 | || !(CvFLAGS (GvCV (gv)) & CVf_SLF)) |
|
|
2230 | return PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
2231 | |
|
|
2232 | if (!(PL_op->op_flags & OPf_STACKED)) |
|
|
2233 | { |
|
|
2234 | /* ampersand-form of call, use @_ instead of stack */ |
|
|
2235 | AV *av = GvAV (PL_defgv); |
|
|
2236 | arg = AvARRAY (av); |
|
|
2237 | items = AvFILLp (av) + 1; |
|
|
2238 | } |
|
|
2239 | |
|
|
2240 | /* now call the init function, which needs to set up slf_frame */ |
|
|
2241 | ((coro_slf_cb)CvXSUBANY (GvCV (gv)).any_ptr) |
|
|
2242 | (aTHX_ &slf_frame, GvCV (gv), arg, items); |
|
|
2243 | |
|
|
2244 | /* pop args */ |
|
|
2245 | SP = PL_stack_base + POPMARK; |
|
|
2246 | |
|
|
2247 | PUTBACK; |
|
|
2248 | } |
|
|
2249 | |
|
|
2250 | /* now that we have a slf_frame, interpret it! */ |
|
|
2251 | /* we use a callback system not to make the code needlessly */ |
|
|
2252 | /* complicated, but so we can run multiple perl coros from one cctx */ |
|
|
2253 | |
|
|
2254 | do |
|
|
2255 | { |
|
|
2256 | struct coro_transfer_args ta; |
|
|
2257 | |
|
|
2258 | slf_frame.prepare (aTHX_ &ta); |
|
|
2259 | TRANSFER (ta, 0); |
|
|
2260 | |
|
|
2261 | checkmark = PL_stack_sp - PL_stack_base; |
|
|
2262 | } |
|
|
2263 | while (slf_frame.check (aTHX_ &slf_frame)); |
|
|
2264 | |
|
|
2265 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
|
|
2266 | |
|
|
2267 | /* exception handling */ |
|
|
2268 | if (expect_false (CORO_THROW)) |
|
|
2269 | { |
|
|
2270 | SV *exception = sv_2mortal (CORO_THROW); |
|
|
2271 | |
|
|
2272 | CORO_THROW = 0; |
|
|
2273 | sv_setsv (ERRSV, exception); |
|
|
2274 | croak (0); |
|
|
2275 | } |
|
|
2276 | |
|
|
2277 | /* return value handling - mostly like entersub */ |
|
|
2278 | /* make sure we put something on the stack in scalar context */ |
|
|
2279 | if (GIMME_V == G_SCALAR) |
|
|
2280 | { |
|
|
2281 | dSP; |
|
|
2282 | SV **bot = PL_stack_base + checkmark; |
|
|
2283 | |
|
|
2284 | if (sp == bot) /* too few, push undef */ |
|
|
2285 | bot [1] = &PL_sv_undef; |
|
|
2286 | else if (sp != bot + 1) /* too many, take last one */ |
|
|
2287 | bot [1] = *sp; |
|
|
2288 | |
|
|
2289 | SP = bot + 1; |
|
|
2290 | |
|
|
2291 | PUTBACK; |
|
|
2292 | } |
|
|
2293 | |
|
|
2294 | return NORMAL; |
|
|
2295 | } |
|
|
2296 | |
|
|
2297 | static void |
|
|
2298 | api_execute_slf (pTHX_ CV *cv, coro_slf_cb init_cb, I32 ax) |
|
|
2299 | { |
|
|
2300 | int i; |
|
|
2301 | SV **arg = PL_stack_base + ax; |
|
|
2302 | int items = PL_stack_sp - arg + 1; |
|
|
2303 | |
|
|
2304 | assert (("FATAL: SLF call with illegal CV value", !CvANON (cv))); |
|
|
2305 | |
|
|
2306 | if (PL_op->op_ppaddr != PL_ppaddr [OP_ENTERSUB] |
|
|
2307 | && PL_op->op_ppaddr != pp_slf) |
|
|
2308 | croak ("FATAL: Coro SLF calls can only be made normally, not via goto or any other means, caught"); |
|
|
2309 | |
|
|
2310 | CvFLAGS (cv) |= CVf_SLF; |
|
|
2311 | CvXSUBANY (cv).any_ptr = (void *)init_cb; |
|
|
2312 | slf_cv = cv; |
|
|
2313 | |
|
|
2314 | /* we patch the op, and then re-run the whole call */ |
|
|
2315 | /* we have to put the same argument on the stack for this to work */ |
|
|
2316 | /* and this will be done by pp_restore */ |
|
|
2317 | slf_restore.op_next = (OP *)&slf_restore; |
|
|
2318 | slf_restore.op_type = OP_CUSTOM; |
|
|
2319 | slf_restore.op_ppaddr = pp_restore; |
|
|
2320 | slf_restore.op_first = PL_op; |
|
|
2321 | |
|
|
2322 | slf_ax = ax - 1; /* undo the ax++ inside dAXMARK */ |
|
|
2323 | |
|
|
2324 | if (PL_op->op_flags & OPf_STACKED) |
|
|
2325 | { |
|
|
2326 | if (items > slf_arga) |
|
|
2327 | { |
|
|
2328 | slf_arga = items; |
|
|
2329 | free (slf_argv); |
|
|
2330 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
|
|
2331 | } |
|
|
2332 | |
|
|
2333 | slf_argc = items; |
|
|
2334 | |
|
|
2335 | for (i = 0; i < items; ++i) |
|
|
2336 | slf_argv [i] = SvREFCNT_inc (arg [i]); |
|
|
2337 | } |
|
|
2338 | else |
|
|
2339 | slf_argc = 0; |
|
|
2340 | |
|
|
2341 | PL_op->op_ppaddr = pp_slf; |
|
|
2342 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
|
|
2343 | |
|
|
2344 | PL_op = (OP *)&slf_restore; |
|
|
2345 | } |
|
|
2346 | |
|
|
2347 | /*****************************************************************************/ |
|
|
2348 | /* dynamic wind */ |
|
|
2349 | |
|
|
2350 | static void |
|
|
2351 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2352 | { |
|
|
2353 | dSP; |
|
|
2354 | |
|
|
2355 | PUSHSTACK; |
|
|
2356 | |
|
|
2357 | PUSHMARK (SP); |
|
|
2358 | PUTBACK; |
|
|
2359 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2360 | SPAGAIN; |
|
|
2361 | |
|
|
2362 | POPSTACK; |
|
|
2363 | } |
|
|
2364 | |
|
|
2365 | static SV * |
|
|
2366 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2367 | { |
|
|
2368 | AV *av = *avp; |
|
|
2369 | SV *res = av_pop (av); |
|
|
2370 | |
|
|
2371 | if (AvFILLp (av) < 0) |
|
|
2372 | { |
|
|
2373 | *avp = 0; |
|
|
2374 | SvREFCNT_dec (av); |
|
|
2375 | } |
|
|
2376 | |
|
|
2377 | return res; |
|
|
2378 | } |
|
|
2379 | |
|
|
2380 | static void |
|
|
2381 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2382 | { |
|
|
2383 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2384 | SvREFCNT_dec (cb); |
|
|
2385 | } |
|
|
2386 | |
|
|
2387 | static void |
|
|
2388 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2389 | { |
|
|
2390 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2391 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
1692 | } |
2392 | } |
1693 | |
2393 | |
1694 | /*****************************************************************************/ |
2394 | /*****************************************************************************/ |
1695 | /* PerlIO::cede */ |
2395 | /* PerlIO::cede */ |
1696 | |
2396 | |
… | |
… | |
1765 | PerlIOBuf_get_cnt, |
2465 | PerlIOBuf_get_cnt, |
1766 | PerlIOBuf_set_ptrcnt, |
2466 | PerlIOBuf_set_ptrcnt, |
1767 | }; |
2467 | }; |
1768 | |
2468 | |
1769 | /*****************************************************************************/ |
2469 | /*****************************************************************************/ |
|
|
2470 | /* Coro::Semaphore & Coro::Signal */ |
1770 | |
2471 | |
1771 | static UNOP slf_restore; /* restore stack as entersub did, for first-re-run */ |
|
|
1772 | static const CV *slf_cv; |
|
|
1773 | static SV *slf_arg0; |
|
|
1774 | static SV *slf_arg1; |
|
|
1775 | static SV *slf_arg2; |
|
|
1776 | static I32 slf_ax; /* top of stack, for restore */ |
|
|
1777 | |
|
|
1778 | /* this restores the stack in the case we patched the entersub, to */ |
|
|
1779 | /* recreate the stack frame as perl will on following calls */ |
|
|
1780 | /* since entersub cleared the stack */ |
|
|
1781 | static OP * |
2472 | static SV * |
1782 | pp_restore (pTHX) |
2473 | coro_waitarray_new (pTHX_ int count) |
1783 | { |
2474 | { |
1784 | SV **SP = PL_stack_base + slf_ax; |
2475 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
|
|
2476 | AV *av = newAV (); |
|
|
2477 | SV **ary; |
1785 | |
2478 | |
1786 | PUSHMARK (SP); |
2479 | /* unfortunately, building manually saves memory */ |
1787 | |
2480 | Newx (ary, 2, SV *); |
1788 | EXTEND (SP, 3); |
2481 | AvALLOC (av) = ary; |
1789 | if (slf_arg0) PUSHs (sv_2mortal (slf_arg0)); |
2482 | #if PERL_VERSION_ATLEAST (5,10,0) |
1790 | if (slf_arg1) PUSHs (sv_2mortal (slf_arg1)); |
2483 | AvARRAY (av) = ary; |
1791 | if (slf_arg2) PUSHs (sv_2mortal (slf_arg2)); |
2484 | #else |
1792 | PUSHs ((SV *)CvGV (slf_cv)); |
2485 | /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */ |
1793 | |
2486 | /* -DDEBUGGING flags this as a bug, despite it perfectly working */ |
1794 | RETURNOP (slf_restore.op_first); |
2487 | SvPVX ((SV *)av) = (char *)ary; |
1795 | } |
|
|
1796 | |
|
|
1797 | static void |
|
|
1798 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
|
|
1799 | { |
|
|
1800 | prepare_set_stacklevel (ta, (struct coro_cctx *)slf_frame.data); |
|
|
1801 | } |
|
|
1802 | |
|
|
1803 | static void |
|
|
1804 | slf_init_set_stacklevel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1805 | { |
|
|
1806 | assert (("FATAL: set_stacklevel needs the coro cctx as sole argument", items == 1)); |
|
|
1807 | |
|
|
1808 | frame->prepare = slf_prepare_set_stacklevel; |
|
|
1809 | frame->check = slf_check_nop; |
|
|
1810 | frame->data = (void *)SvIV (arg [0]); |
|
|
1811 | } |
|
|
1812 | |
|
|
1813 | static void |
|
|
1814 | slf_prepare_transfer (pTHX_ struct coro_transfer_args *ta) |
|
|
1815 | { |
|
|
1816 | SV **arg = (SV **)slf_frame.data; |
|
|
1817 | |
|
|
1818 | prepare_transfer (aTHX_ ta, arg [0], arg [1]); |
|
|
1819 | |
|
|
1820 | /* if the destination has ->throw set, then copy it */ |
|
|
1821 | /* into the current coro's throw slot, so it will be raised */ |
|
|
1822 | /* after the schedule */ |
|
|
1823 | if (expect_false (ta->next->throw)) |
|
|
1824 | { |
|
|
1825 | struct coro *coro = SvSTATE_current; |
|
|
1826 | SvREFCNT_dec (coro->throw); |
|
|
1827 | coro->throw = ta->next->throw; |
|
|
1828 | ta->next->throw = 0; |
|
|
1829 | } |
|
|
1830 | } |
|
|
1831 | |
|
|
1832 | static void |
|
|
1833 | slf_init_transfer (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1834 | { |
|
|
1835 | if (items != 2) |
|
|
1836 | croak ("Coro::State::transfer (prev, next) expects two arguments, not %d,", items); |
|
|
1837 | |
|
|
1838 | frame->prepare = slf_prepare_transfer; |
|
|
1839 | frame->check = slf_check_nop; |
|
|
1840 | frame->data = (void *)arg; /* let's hope it will stay valid */ |
|
|
1841 | } |
|
|
1842 | |
|
|
1843 | static void |
|
|
1844 | slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1845 | { |
|
|
1846 | frame->prepare = prepare_schedule; |
|
|
1847 | frame->check = slf_check_nop; |
|
|
1848 | } |
|
|
1849 | |
|
|
1850 | static void |
|
|
1851 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1852 | { |
|
|
1853 | frame->prepare = prepare_cede; |
|
|
1854 | frame->check = slf_check_nop; |
|
|
1855 | } |
|
|
1856 | |
|
|
1857 | static void |
|
|
1858 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1859 | { |
|
|
1860 | frame->prepare = prepare_cede_notself; |
|
|
1861 | frame->check = slf_check_nop; |
|
|
1862 | } |
|
|
1863 | |
|
|
1864 | /* we hijack an hopefully unused CV flag for our purposes */ |
|
|
1865 | #define CVf_SLF 0x4000 |
|
|
1866 | |
|
|
1867 | /* |
|
|
1868 | * these not obviously related functions are all rolled into one |
|
|
1869 | * function to increase chances that they all will call transfer with the same |
|
|
1870 | * stack offset |
|
|
1871 | * SLF stands for "schedule-like-function". |
|
|
1872 | */ |
|
|
1873 | static OP * |
|
|
1874 | pp_slf (pTHX) |
|
|
1875 | { |
|
|
1876 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
|
|
1877 | |
|
|
1878 | /* set up the slf frame, unless it has already been set-up */ |
|
|
1879 | /* the latter happens when a new coro has been started */ |
|
|
1880 | /* or when a new cctx was attached to an existing coroutine */ |
|
|
1881 | if (expect_true (!slf_frame.prepare)) |
|
|
1882 | { |
|
|
1883 | /* first iteration */ |
|
|
1884 | dSP; |
|
|
1885 | SV **arg = PL_stack_base + TOPMARK + 1; |
|
|
1886 | int items = SP - arg; /* args without function object */ |
|
|
1887 | SV *gv = *sp; |
|
|
1888 | |
|
|
1889 | /* do a quick consistency check on the "function" object, and if it isn't */ |
|
|
1890 | /* for us, divert to the real entersub */ |
|
|
1891 | if (SvTYPE (gv) != SVt_PVGV || !(CvFLAGS (GvCV (gv)) & CVf_SLF)) |
|
|
1892 | return PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
1893 | |
|
|
1894 | if (!(PL_op->op_flags & OPf_STACKED)) |
|
|
1895 | { |
|
|
1896 | /* ampersand-form of call, use @_ instead of stack */ |
|
|
1897 | AV *av = GvAV (PL_defgv); |
|
|
1898 | arg = AvARRAY (av); |
|
|
1899 | items = AvFILLp (av) + 1; |
|
|
1900 | } |
|
|
1901 | |
|
|
1902 | /* now call the init function, which needs to set up slf_frame */ |
|
|
1903 | ((coro_slf_cb)CvXSUBANY (GvCV (gv)).any_ptr) |
|
|
1904 | (aTHX_ &slf_frame, GvCV (gv), arg, items); |
|
|
1905 | |
|
|
1906 | /* pop args */ |
|
|
1907 | SP = PL_stack_base + POPMARK; |
|
|
1908 | |
|
|
1909 | PUTBACK; |
|
|
1910 | } |
|
|
1911 | |
|
|
1912 | /* now that we have a slf_frame, interpret it! */ |
|
|
1913 | /* we use a callback system not to make the code needlessly */ |
|
|
1914 | /* complicated, but so we can run multiple perl coros from one cctx */ |
|
|
1915 | |
|
|
1916 | do |
|
|
1917 | { |
|
|
1918 | struct coro_transfer_args ta; |
|
|
1919 | |
|
|
1920 | slf_frame.prepare (aTHX_ &ta); |
|
|
1921 | TRANSFER (ta, 0); |
|
|
1922 | |
|
|
1923 | checkmark = PL_stack_sp - PL_stack_base; |
|
|
1924 | } |
|
|
1925 | while (slf_frame.check (aTHX_ &slf_frame)); |
|
|
1926 | |
|
|
1927 | { |
|
|
1928 | dSP; |
|
|
1929 | SV **bot = PL_stack_base + checkmark; |
|
|
1930 | int gimme = GIMME_V; |
|
|
1931 | |
|
|
1932 | slf_frame.prepare = 0; /* invalidate the frame, so it gets initialised again next time */ |
|
|
1933 | |
|
|
1934 | /* make sure we put something on the stack in scalar context */ |
|
|
1935 | if (gimme == G_SCALAR) |
|
|
1936 | { |
|
|
1937 | if (sp == bot) |
|
|
1938 | XPUSHs (&PL_sv_undef); |
|
|
1939 | |
|
|
1940 | SP = bot + 1; |
|
|
1941 | } |
|
|
1942 | |
|
|
1943 | PUTBACK; |
|
|
1944 | } |
|
|
1945 | |
|
|
1946 | { |
|
|
1947 | struct coro *coro = SvSTATE_current; |
|
|
1948 | |
|
|
1949 | if (expect_false (coro->throw)) |
|
|
1950 | { |
|
|
1951 | SV *exception = sv_2mortal (coro->throw); |
|
|
1952 | |
|
|
1953 | coro->throw = 0; |
|
|
1954 | sv_setsv (ERRSV, exception); |
|
|
1955 | croak (0); |
|
|
1956 | } |
|
|
1957 | } |
|
|
1958 | |
|
|
1959 | return NORMAL; |
|
|
1960 | } |
|
|
1961 | |
|
|
1962 | static void |
|
|
1963 | api_execute_slf (pTHX_ CV *cv, coro_slf_cb init_cb, I32 ax) |
|
|
1964 | { |
|
|
1965 | SV **arg = PL_stack_base + ax; |
|
|
1966 | int items = PL_stack_sp - arg + 1; |
|
|
1967 | |
|
|
1968 | assert (("FATAL: SLF call with illegal CV value", !CvANON (cv))); |
|
|
1969 | |
|
|
1970 | if (PL_op->op_ppaddr != PL_ppaddr [OP_ENTERSUB] |
|
|
1971 | && PL_op->op_ppaddr != pp_slf) |
|
|
1972 | croak ("FATAL: Coro SLF calls can only be made normally, not via goto or any other means, caught"); |
|
|
1973 | |
|
|
1974 | #if 0 |
|
|
1975 | if (items > 3) |
|
|
1976 | croak ("Coro only supports up to three arguments to SLF functions currently (not %d), caught", items); |
|
|
1977 | #endif |
2488 | #endif |
|
|
2489 | AvMAX (av) = 1; |
|
|
2490 | AvFILLp (av) = 0; |
|
|
2491 | ary [0] = newSViv (count); |
1978 | |
2492 | |
1979 | CvFLAGS (cv) |= CVf_SLF; |
2493 | return newRV_noinc ((SV *)av); |
1980 | CvXSUBANY (cv).any_ptr = (void *)init_cb; |
|
|
1981 | slf_cv = cv; |
|
|
1982 | |
|
|
1983 | /* we patch the op, and then re-run the whole call */ |
|
|
1984 | /* we have to put the same argument on the stack for this to work */ |
|
|
1985 | /* and this will be done by pp_restore */ |
|
|
1986 | slf_restore.op_next = (OP *)&slf_restore; |
|
|
1987 | slf_restore.op_type = OP_CUSTOM; |
|
|
1988 | slf_restore.op_ppaddr = pp_restore; |
|
|
1989 | slf_restore.op_first = PL_op; |
|
|
1990 | |
|
|
1991 | slf_ax = ax - 1; /* undo the ax++ inside dAXMARK */ |
|
|
1992 | slf_arg0 = items > 0 ? SvREFCNT_inc (arg [0]) : 0; |
|
|
1993 | slf_arg1 = items > 1 ? SvREFCNT_inc (arg [1]) : 0; |
|
|
1994 | slf_arg2 = items > 2 ? SvREFCNT_inc (arg [2]) : 0; |
|
|
1995 | |
|
|
1996 | PL_op->op_ppaddr = pp_slf; |
|
|
1997 | PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */ |
|
|
1998 | |
|
|
1999 | PL_op = (OP *)&slf_restore; |
|
|
2000 | } |
2494 | } |
2001 | |
2495 | |
2002 | /*****************************************************************************/ |
2496 | /* semaphore */ |
2003 | |
2497 | |
2004 | static void |
2498 | static void |
2005 | coro_semaphore_adjust (pTHX_ AV *av, IV adjust) |
2499 | coro_semaphore_adjust (pTHX_ AV *av, IV adjust) |
2006 | { |
2500 | { |
2007 | SV *count_sv = AvARRAY (av)[0]; |
2501 | SV *count_sv = AvARRAY (av)[0]; |
… | |
… | |
2019 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2513 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2020 | AvARRAY (av)[1] = count_sv; |
2514 | AvARRAY (av)[1] = count_sv; |
2021 | cb = av_shift (av); |
2515 | cb = av_shift (av); |
2022 | |
2516 | |
2023 | if (SvOBJECT (cb)) |
2517 | if (SvOBJECT (cb)) |
|
|
2518 | { |
2024 | api_ready (aTHX_ cb); |
2519 | api_ready (aTHX_ cb); |
2025 | else |
2520 | --count; |
2026 | croak ("callbacks not yet supported"); |
2521 | } |
|
|
2522 | else if (SvTYPE (cb) == SVt_PVCV) |
|
|
2523 | { |
|
|
2524 | dSP; |
|
|
2525 | PUSHMARK (SP); |
|
|
2526 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
2527 | PUTBACK; |
|
|
2528 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
2529 | } |
2027 | |
2530 | |
2028 | SvREFCNT_dec (cb); |
2531 | SvREFCNT_dec (cb); |
2029 | |
|
|
2030 | --count; |
|
|
2031 | } |
2532 | } |
2032 | } |
2533 | } |
2033 | |
2534 | |
2034 | static void |
2535 | static void |
2035 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2536 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
… | |
… | |
2037 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2538 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2038 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2539 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2039 | } |
2540 | } |
2040 | |
2541 | |
2041 | static int |
2542 | static int |
2042 | slf_check_semaphore_down (pTHX_ struct CoroSLF *frame) |
2543 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2043 | { |
2544 | { |
2044 | AV *av = (AV *)frame->data; |
2545 | AV *av = (AV *)frame->data; |
2045 | SV *count_sv = AvARRAY (av)[0]; |
2546 | SV *count_sv = AvARRAY (av)[0]; |
2046 | |
2547 | |
|
|
2548 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
|
|
2549 | if (CORO_THROW) |
|
|
2550 | return 0; |
2047 | if (SvIVX (count_sv) > 0) |
2551 | else if (SvIVX (count_sv) > 0) |
2048 | { |
2552 | { |
2049 | SvSTATE_current->on_destroy = 0; |
2553 | SvSTATE_current->on_destroy = 0; |
|
|
2554 | |
|
|
2555 | if (acquire) |
2050 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2556 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
|
|
2557 | else |
|
|
2558 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2559 | |
2051 | return 0; |
2560 | return 0; |
2052 | } |
2561 | } |
2053 | else |
2562 | else |
2054 | { |
2563 | { |
2055 | int i; |
2564 | int i; |
… | |
… | |
2064 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2573 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2065 | return 1; |
2574 | return 1; |
2066 | } |
2575 | } |
2067 | } |
2576 | } |
2068 | |
2577 | |
2069 | static void |
2578 | static int |
|
|
2579 | slf_check_semaphore_down (pTHX_ struct CoroSLF *frame) |
|
|
2580 | { |
|
|
2581 | return slf_check_semaphore_down_or_wait (aTHX_ frame, 1); |
|
|
2582 | } |
|
|
2583 | |
|
|
2584 | static int |
|
|
2585 | slf_check_semaphore_wait (pTHX_ struct CoroSLF *frame) |
|
|
2586 | { |
|
|
2587 | return slf_check_semaphore_down_or_wait (aTHX_ frame, 0); |
|
|
2588 | } |
|
|
2589 | |
|
|
2590 | static void |
2070 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2591 | slf_init_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2071 | { |
2592 | { |
2072 | AV *av = (AV *)SvRV (arg [0]); |
2593 | AV *av = (AV *)SvRV (arg [0]); |
2073 | |
2594 | |
2074 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2595 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2075 | { |
2596 | { |
2076 | frame->data = (void *)av; |
2597 | frame->data = (void *)av; |
2077 | frame->prepare = prepare_nop; |
2598 | frame->prepare = prepare_nop; |
2078 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
|
|
2079 | } |
2599 | } |
2080 | else |
2600 | else |
2081 | { |
2601 | { |
2082 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2602 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2083 | |
2603 | |
2084 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2604 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2085 | frame->prepare = prepare_schedule; |
2605 | frame->prepare = prepare_schedule; |
2086 | |
2606 | |
2087 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2607 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2088 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2608 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2089 | assert (!SvSTATE_current->on_destroy);//D |
|
|
2090 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2609 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2091 | } |
2610 | } |
|
|
2611 | } |
2092 | |
2612 | |
|
|
2613 | static void |
|
|
2614 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2615 | { |
|
|
2616 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
2093 | frame->check = slf_check_semaphore_down; |
2617 | frame->check = slf_check_semaphore_down; |
|
|
2618 | } |
2094 | |
2619 | |
|
|
2620 | static void |
|
|
2621 | slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2622 | { |
|
|
2623 | if (items >= 2) |
|
|
2624 | { |
|
|
2625 | /* callback form */ |
|
|
2626 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2627 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
|
|
2628 | |
|
|
2629 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
|
|
2630 | |
|
|
2631 | if (SvIVX (AvARRAY (av)[0]) > 0) |
|
|
2632 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2633 | |
|
|
2634 | frame->prepare = prepare_nop; |
|
|
2635 | frame->check = slf_check_nop; |
|
|
2636 | } |
|
|
2637 | else |
|
|
2638 | { |
|
|
2639 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
|
|
2640 | frame->check = slf_check_semaphore_wait; |
|
|
2641 | } |
|
|
2642 | } |
|
|
2643 | |
|
|
2644 | /* signal */ |
|
|
2645 | |
|
|
2646 | static void |
|
|
2647 | coro_signal_wake (pTHX_ AV *av, int count) |
|
|
2648 | { |
|
|
2649 | SvIVX (AvARRAY (av)[0]) = 0; |
|
|
2650 | |
|
|
2651 | /* now signal count waiters */ |
|
|
2652 | while (count > 0 && AvFILLp (av) > 0) |
|
|
2653 | { |
|
|
2654 | SV *cb; |
|
|
2655 | |
|
|
2656 | /* swap first two elements so we can shift a waiter */ |
|
|
2657 | cb = AvARRAY (av)[0]; |
|
|
2658 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
|
|
2659 | AvARRAY (av)[1] = cb; |
|
|
2660 | |
|
|
2661 | cb = av_shift (av); |
|
|
2662 | |
|
|
2663 | api_ready (aTHX_ cb); |
|
|
2664 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
2665 | SvREFCNT_dec (cb); |
|
|
2666 | |
|
|
2667 | --count; |
|
|
2668 | } |
|
|
2669 | } |
|
|
2670 | |
|
|
2671 | static int |
|
|
2672 | slf_check_signal_wait (pTHX_ struct CoroSLF *frame) |
|
|
2673 | { |
|
|
2674 | /* if we are about to throw, also stop waiting */ |
|
|
2675 | return SvROK ((SV *)frame->data) && !CORO_THROW; |
|
|
2676 | } |
|
|
2677 | |
|
|
2678 | static void |
|
|
2679 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2680 | { |
|
|
2681 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2682 | |
|
|
2683 | if (SvIVX (AvARRAY (av)[0])) |
|
|
2684 | { |
|
|
2685 | SvIVX (AvARRAY (av)[0]) = 0; |
|
|
2686 | frame->prepare = prepare_nop; |
|
|
2687 | frame->check = slf_check_nop; |
|
|
2688 | } |
|
|
2689 | else |
|
|
2690 | { |
|
|
2691 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
|
|
2692 | |
|
|
2693 | av_push (av, waiter); |
|
|
2694 | |
|
|
2695 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
|
|
2696 | frame->prepare = prepare_schedule; |
|
|
2697 | frame->check = slf_check_signal_wait; |
|
|
2698 | } |
2095 | } |
2699 | } |
2096 | |
2700 | |
2097 | /*****************************************************************************/ |
2701 | /*****************************************************************************/ |
|
|
2702 | /* Coro::AIO */ |
2098 | |
2703 | |
2099 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
2704 | #define CORO_MAGIC_type_aio PERL_MAGIC_ext |
2100 | |
2705 | |
2101 | /* create a closure from XS, returns a code reference */ |
2706 | /* helper storage struct */ |
2102 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
2707 | struct io_state |
2103 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
2104 | static SV * |
|
|
2105 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
2106 | { |
2708 | { |
2107 | CV *cv = (CV *)NEWSV (0, 0); |
2709 | int errorno; |
|
|
2710 | I32 laststype; /* U16 in 5.10.0 */ |
|
|
2711 | int laststatval; |
|
|
2712 | Stat_t statcache; |
|
|
2713 | }; |
2108 | |
2714 | |
|
|
2715 | static void |
|
|
2716 | coro_aio_callback (pTHX_ CV *cv) |
|
|
2717 | { |
|
|
2718 | dXSARGS; |
|
|
2719 | AV *state = (AV *)GENSUB_ARG; |
|
|
2720 | SV *coro = av_pop (state); |
|
|
2721 | SV *data_sv = newSV (sizeof (struct io_state)); |
|
|
2722 | |
|
|
2723 | av_extend (state, items - 1); |
|
|
2724 | |
2109 | sv_upgrade ((SV *)cv, SVt_PVCV); |
2725 | sv_upgrade (data_sv, SVt_PV); |
|
|
2726 | SvCUR_set (data_sv, sizeof (struct io_state)); |
|
|
2727 | SvPOK_only (data_sv); |
2110 | |
2728 | |
2111 | CvANON_on (cv); |
2729 | { |
2112 | CvISXSUB_on (cv); |
2730 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
2113 | CvXSUB (cv) = xsub; |
|
|
2114 | GENSUB_ARG = arg; |
|
|
2115 | |
2731 | |
2116 | return newRV_noinc ((SV *)cv); |
2732 | data->errorno = errno; |
|
|
2733 | data->laststype = PL_laststype; |
|
|
2734 | data->laststatval = PL_laststatval; |
|
|
2735 | data->statcache = PL_statcache; |
|
|
2736 | } |
|
|
2737 | |
|
|
2738 | /* now build the result vector out of all the parameters and the data_sv */ |
|
|
2739 | { |
|
|
2740 | int i; |
|
|
2741 | |
|
|
2742 | for (i = 0; i < items; ++i) |
|
|
2743 | av_push (state, SvREFCNT_inc_NN (ST (i))); |
|
|
2744 | } |
|
|
2745 | |
|
|
2746 | av_push (state, data_sv); |
|
|
2747 | |
|
|
2748 | api_ready (aTHX_ coro); |
|
|
2749 | SvREFCNT_dec (coro); |
|
|
2750 | SvREFCNT_dec ((AV *)state); |
|
|
2751 | } |
|
|
2752 | |
|
|
2753 | static int |
|
|
2754 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
|
|
2755 | { |
|
|
2756 | AV *state = (AV *)frame->data; |
|
|
2757 | |
|
|
2758 | /* if we are about to throw, return early */ |
|
|
2759 | /* this does not cancel the aio request, but at least */ |
|
|
2760 | /* it quickly returns */ |
|
|
2761 | if (CORO_THROW) |
|
|
2762 | return 0; |
|
|
2763 | |
|
|
2764 | /* one element that is an RV? repeat! */ |
|
|
2765 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
|
|
2766 | return 1; |
|
|
2767 | |
|
|
2768 | /* restore status */ |
|
|
2769 | { |
|
|
2770 | SV *data_sv = av_pop (state); |
|
|
2771 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
|
|
2772 | |
|
|
2773 | errno = data->errorno; |
|
|
2774 | PL_laststype = data->laststype; |
|
|
2775 | PL_laststatval = data->laststatval; |
|
|
2776 | PL_statcache = data->statcache; |
|
|
2777 | |
|
|
2778 | SvREFCNT_dec (data_sv); |
|
|
2779 | } |
|
|
2780 | |
|
|
2781 | /* push result values */ |
|
|
2782 | { |
|
|
2783 | dSP; |
|
|
2784 | int i; |
|
|
2785 | |
|
|
2786 | EXTEND (SP, AvFILLp (state) + 1); |
|
|
2787 | for (i = 0; i <= AvFILLp (state); ++i) |
|
|
2788 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (state)[i]))); |
|
|
2789 | |
|
|
2790 | PUTBACK; |
|
|
2791 | } |
|
|
2792 | |
|
|
2793 | return 0; |
|
|
2794 | } |
|
|
2795 | |
|
|
2796 | static void |
|
|
2797 | slf_init_aio_req (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2798 | { |
|
|
2799 | AV *state = (AV *)sv_2mortal ((SV *)newAV ()); |
|
|
2800 | SV *coro_hv = SvRV (coro_current); |
|
|
2801 | struct coro *coro = SvSTATE_hv (coro_hv); |
|
|
2802 | |
|
|
2803 | /* put our coroutine id on the state arg */ |
|
|
2804 | av_push (state, SvREFCNT_inc_NN (coro_hv)); |
|
|
2805 | |
|
|
2806 | /* first see whether we have a non-zero priority and set it as AIO prio */ |
|
|
2807 | if (coro->prio) |
|
|
2808 | { |
|
|
2809 | dSP; |
|
|
2810 | |
|
|
2811 | static SV *prio_cv; |
|
|
2812 | static SV *prio_sv; |
|
|
2813 | |
|
|
2814 | if (expect_false (!prio_cv)) |
|
|
2815 | { |
|
|
2816 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
|
|
2817 | prio_sv = newSViv (0); |
|
|
2818 | } |
|
|
2819 | |
|
|
2820 | PUSHMARK (SP); |
|
|
2821 | sv_setiv (prio_sv, coro->prio); |
|
|
2822 | XPUSHs (prio_sv); |
|
|
2823 | |
|
|
2824 | PUTBACK; |
|
|
2825 | call_sv (prio_cv, G_VOID | G_DISCARD); |
|
|
2826 | } |
|
|
2827 | |
|
|
2828 | /* now call the original request */ |
|
|
2829 | { |
|
|
2830 | dSP; |
|
|
2831 | CV *req = (CV *)CORO_MAGIC_NN ((SV *)cv, CORO_MAGIC_type_aio)->mg_obj; |
|
|
2832 | int i; |
|
|
2833 | |
|
|
2834 | PUSHMARK (SP); |
|
|
2835 | |
|
|
2836 | /* first push all args to the stack */ |
|
|
2837 | EXTEND (SP, items + 1); |
|
|
2838 | |
|
|
2839 | for (i = 0; i < items; ++i) |
|
|
2840 | PUSHs (arg [i]); |
|
|
2841 | |
|
|
2842 | /* now push the callback closure */ |
|
|
2843 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
|
|
2844 | |
|
|
2845 | /* now call the AIO function - we assume our request is uncancelable */ |
|
|
2846 | PUTBACK; |
|
|
2847 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
|
|
2848 | } |
|
|
2849 | |
|
|
2850 | /* now that the requets is going, we loop toll we have a result */ |
|
|
2851 | frame->data = (void *)state; |
|
|
2852 | frame->prepare = prepare_schedule; |
|
|
2853 | frame->check = slf_check_aio_req; |
|
|
2854 | } |
|
|
2855 | |
|
|
2856 | static void |
|
|
2857 | coro_aio_req_xs (pTHX_ CV *cv) |
|
|
2858 | { |
|
|
2859 | dXSARGS; |
|
|
2860 | |
|
|
2861 | CORO_EXECUTE_SLF_XS (slf_init_aio_req); |
|
|
2862 | |
|
|
2863 | XSRETURN_EMPTY; |
2117 | } |
2864 | } |
2118 | |
2865 | |
2119 | /*****************************************************************************/ |
2866 | /*****************************************************************************/ |
|
|
2867 | |
|
|
2868 | #if CORO_CLONE |
|
|
2869 | # include "clone.c" |
|
|
2870 | #endif |
2120 | |
2871 | |
2121 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2872 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2122 | |
2873 | |
2123 | PROTOTYPES: DISABLE |
2874 | PROTOTYPES: DISABLE |
2124 | |
2875 | |
… | |
… | |
2129 | coro_thx = PERL_GET_CONTEXT; |
2880 | coro_thx = PERL_GET_CONTEXT; |
2130 | # endif |
2881 | # endif |
2131 | #endif |
2882 | #endif |
2132 | BOOT_PAGESIZE; |
2883 | BOOT_PAGESIZE; |
2133 | |
2884 | |
|
|
2885 | cctx_current = cctx_new_empty (); |
|
|
2886 | |
2134 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2887 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2135 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2888 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2136 | |
2889 | |
2137 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2890 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2138 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
2891 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
… | |
… | |
2157 | |
2910 | |
2158 | { |
2911 | { |
2159 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
2912 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
2160 | |
2913 | |
2161 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
2914 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
2162 | hv_store_ent (PL_custom_op_names, slf, |
2915 | hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0); |
2163 | newSVpv ("coro_slf", 0), 0); |
|
|
2164 | |
2916 | |
2165 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
2917 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
2166 | hv_store_ent (PL_custom_op_descs, slf, |
2918 | hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0); |
2167 | newSVpv ("coro schedule like function", 0), 0); |
|
|
2168 | } |
2919 | } |
2169 | |
2920 | |
2170 | coroapi.ver = CORO_API_VERSION; |
2921 | coroapi.ver = CORO_API_VERSION; |
2171 | coroapi.rev = CORO_API_REVISION; |
2922 | coroapi.rev = CORO_API_REVISION; |
2172 | |
2923 | |
… | |
… | |
2191 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2942 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2192 | } |
2943 | } |
2193 | |
2944 | |
2194 | SV * |
2945 | SV * |
2195 | new (char *klass, ...) |
2946 | new (char *klass, ...) |
|
|
2947 | ALIAS: |
|
|
2948 | Coro::new = 1 |
2196 | CODE: |
2949 | CODE: |
2197 | { |
2950 | { |
2198 | struct coro *coro; |
2951 | struct coro *coro; |
2199 | MAGIC *mg; |
2952 | MAGIC *mg; |
2200 | HV *hv; |
2953 | HV *hv; |
|
|
2954 | CV *cb; |
2201 | int i; |
2955 | int i; |
|
|
2956 | |
|
|
2957 | if (items > 1) |
|
|
2958 | { |
|
|
2959 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2960 | |
|
|
2961 | if (!ix) |
|
|
2962 | { |
|
|
2963 | if (CvISXSUB (cb)) |
|
|
2964 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2965 | |
|
|
2966 | if (!CvROOT (cb)) |
|
|
2967 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2968 | } |
|
|
2969 | } |
2202 | |
2970 | |
2203 | Newz (0, coro, 1, struct coro); |
2971 | Newz (0, coro, 1, struct coro); |
2204 | coro->args = newAV (); |
2972 | coro->args = newAV (); |
2205 | coro->flags = CF_NEW; |
2973 | coro->flags = CF_NEW; |
2206 | |
2974 | |
… | |
… | |
2211 | coro->hv = hv = newHV (); |
2979 | coro->hv = hv = newHV (); |
2212 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
2980 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
2213 | mg->mg_flags |= MGf_DUP; |
2981 | mg->mg_flags |= MGf_DUP; |
2214 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
2982 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
2215 | |
2983 | |
|
|
2984 | if (items > 1) |
|
|
2985 | { |
2216 | av_extend (coro->args, items - 1); |
2986 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2987 | |
|
|
2988 | if (ix) |
|
|
2989 | { |
|
|
2990 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2991 | cb = cv_coro_run; |
|
|
2992 | } |
|
|
2993 | |
|
|
2994 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2995 | |
2217 | for (i = 1; i < items; i++) |
2996 | for (i = 2; i < items; i++) |
2218 | av_push (coro->args, newSVsv (ST (i))); |
2997 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2998 | } |
2219 | } |
2999 | } |
2220 | OUTPUT: |
3000 | OUTPUT: |
2221 | RETVAL |
3001 | RETVAL |
2222 | |
|
|
2223 | void |
|
|
2224 | _set_stacklevel (...) |
|
|
2225 | CODE: |
|
|
2226 | CORO_EXECUTE_SLF_XS (slf_init_set_stacklevel); |
|
|
2227 | |
3002 | |
2228 | void |
3003 | void |
2229 | transfer (...) |
3004 | transfer (...) |
2230 | PROTOTYPE: $$ |
3005 | PROTOTYPE: $$ |
2231 | CODE: |
3006 | CODE: |
… | |
… | |
2241 | void |
3016 | void |
2242 | _exit (int code) |
3017 | _exit (int code) |
2243 | PROTOTYPE: $ |
3018 | PROTOTYPE: $ |
2244 | CODE: |
3019 | CODE: |
2245 | _exit (code); |
3020 | _exit (code); |
|
|
3021 | |
|
|
3022 | SV * |
|
|
3023 | clone (Coro::State coro) |
|
|
3024 | CODE: |
|
|
3025 | { |
|
|
3026 | #if CORO_CLONE |
|
|
3027 | struct coro *ncoro = coro_clone (aTHX_ coro); |
|
|
3028 | MAGIC *mg; |
|
|
3029 | /* TODO: too much duplication */ |
|
|
3030 | ncoro->hv = newHV (); |
|
|
3031 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
|
|
3032 | mg->mg_flags |= MGf_DUP; |
|
|
3033 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
|
|
3034 | #else |
|
|
3035 | croak ("Coro::State->clone has not been configured into this installation of Coro, realised"); |
|
|
3036 | #endif |
|
|
3037 | } |
|
|
3038 | OUTPUT: |
|
|
3039 | RETVAL |
2246 | |
3040 | |
2247 | int |
3041 | int |
2248 | cctx_stacksize (int new_stacksize = 0) |
3042 | cctx_stacksize (int new_stacksize = 0) |
2249 | PROTOTYPE: ;$ |
3043 | PROTOTYPE: ;$ |
2250 | CODE: |
3044 | CODE: |
… | |
… | |
2300 | eval = 1 |
3094 | eval = 1 |
2301 | CODE: |
3095 | CODE: |
2302 | { |
3096 | { |
2303 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3097 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2304 | { |
3098 | { |
2305 | struct coro temp; |
3099 | struct coro *current = SvSTATE_current; |
2306 | |
3100 | |
2307 | if (!(coro->flags & CF_RUNNING)) |
3101 | if (current != coro) |
2308 | { |
3102 | { |
2309 | PUTBACK; |
3103 | PUTBACK; |
2310 | save_perl (aTHX_ &temp); |
3104 | save_perl (aTHX_ current); |
2311 | load_perl (aTHX_ coro); |
3105 | load_perl (aTHX_ coro); |
|
|
3106 | SPAGAIN; |
2312 | } |
3107 | } |
2313 | |
3108 | |
2314 | { |
|
|
2315 | dSP; |
|
|
2316 | ENTER; |
|
|
2317 | SAVETMPS; |
|
|
2318 | PUTBACK; |
|
|
2319 | PUSHSTACK; |
3109 | PUSHSTACK; |
|
|
3110 | |
2320 | PUSHMARK (SP); |
3111 | PUSHMARK (SP); |
|
|
3112 | PUTBACK; |
2321 | |
3113 | |
2322 | if (ix) |
3114 | if (ix) |
2323 | eval_sv (coderef, 0); |
3115 | eval_sv (coderef, 0); |
2324 | else |
3116 | else |
2325 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3117 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2326 | |
3118 | |
2327 | POPSTACK; |
3119 | POPSTACK; |
2328 | SPAGAIN; |
3120 | SPAGAIN; |
2329 | FREETMPS; |
|
|
2330 | LEAVE; |
|
|
2331 | PUTBACK; |
|
|
2332 | } |
|
|
2333 | |
3121 | |
2334 | if (!(coro->flags & CF_RUNNING)) |
3122 | if (current != coro) |
2335 | { |
3123 | { |
|
|
3124 | PUTBACK; |
2336 | save_perl (aTHX_ coro); |
3125 | save_perl (aTHX_ coro); |
2337 | load_perl (aTHX_ &temp); |
3126 | load_perl (aTHX_ current); |
2338 | SPAGAIN; |
3127 | SPAGAIN; |
2339 | } |
3128 | } |
2340 | } |
3129 | } |
2341 | } |
3130 | } |
2342 | |
3131 | |
… | |
… | |
2346 | ALIAS: |
3135 | ALIAS: |
2347 | is_ready = CF_READY |
3136 | is_ready = CF_READY |
2348 | is_running = CF_RUNNING |
3137 | is_running = CF_RUNNING |
2349 | is_new = CF_NEW |
3138 | is_new = CF_NEW |
2350 | is_destroyed = CF_DESTROYED |
3139 | is_destroyed = CF_DESTROYED |
|
|
3140 | is_suspended = CF_SUSPENDED |
2351 | CODE: |
3141 | CODE: |
2352 | RETVAL = boolSV (coro->flags & ix); |
3142 | RETVAL = boolSV (coro->flags & ix); |
2353 | OUTPUT: |
3143 | OUTPUT: |
2354 | RETVAL |
3144 | RETVAL |
2355 | |
3145 | |
2356 | void |
3146 | void |
2357 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3147 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
2358 | PROTOTYPE: $;$ |
3148 | PROTOTYPE: $;$ |
2359 | CODE: |
3149 | CODE: |
|
|
3150 | { |
|
|
3151 | struct coro *current = SvSTATE_current; |
|
|
3152 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
2360 | SvREFCNT_dec (self->throw); |
3153 | SvREFCNT_dec (*throwp); |
2361 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
3154 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
3155 | } |
2362 | |
3156 | |
2363 | void |
3157 | void |
2364 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3158 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
2365 | PROTOTYPE: $;$ |
3159 | PROTOTYPE: $;$ |
2366 | C_ARGS: aTHX_ coro, flags |
3160 | C_ARGS: aTHX_ coro, flags |
2367 | |
3161 | |
2368 | SV * |
3162 | SV * |
2369 | has_cctx (Coro::State coro) |
3163 | has_cctx (Coro::State coro) |
2370 | PROTOTYPE: $ |
3164 | PROTOTYPE: $ |
2371 | CODE: |
3165 | CODE: |
2372 | RETVAL = boolSV (!!coro->cctx); |
3166 | /* maybe manage the running flag differently */ |
|
|
3167 | RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING)); |
2373 | OUTPUT: |
3168 | OUTPUT: |
2374 | RETVAL |
3169 | RETVAL |
2375 | |
3170 | |
2376 | int |
3171 | int |
2377 | is_traced (Coro::State coro) |
3172 | is_traced (Coro::State coro) |
… | |
… | |
2397 | |
3192 | |
2398 | void |
3193 | void |
2399 | force_cctx () |
3194 | force_cctx () |
2400 | PROTOTYPE: |
3195 | PROTOTYPE: |
2401 | CODE: |
3196 | CODE: |
2402 | SvSTATE_current->cctx->idle_sp = 0; |
3197 | cctx_current->idle_sp = 0; |
2403 | |
3198 | |
2404 | void |
3199 | void |
2405 | swap_defsv (Coro::State self) |
3200 | swap_defsv (Coro::State self) |
2406 | PROTOTYPE: $ |
3201 | PROTOTYPE: $ |
2407 | ALIAS: |
3202 | ALIAS: |
… | |
… | |
2415 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3210 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
2416 | |
3211 | |
2417 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3212 | SV *tmp = *src; *src = *dst; *dst = tmp; |
2418 | } |
3213 | } |
2419 | |
3214 | |
|
|
3215 | void |
|
|
3216 | cancel (Coro::State self) |
|
|
3217 | CODE: |
|
|
3218 | coro_state_destroy (aTHX_ self); |
|
|
3219 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3220 | |
|
|
3221 | |
2420 | MODULE = Coro::State PACKAGE = Coro |
3222 | MODULE = Coro::State PACKAGE = Coro |
2421 | |
3223 | |
2422 | BOOT: |
3224 | BOOT: |
2423 | { |
3225 | { |
2424 | int i; |
3226 | int i; |
2425 | |
3227 | |
2426 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2427 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3228 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
2428 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3229 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
2429 | |
3230 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
|
|
3231 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
2430 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
3232 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
2431 | SvREADONLY_on (coro_current); |
3233 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
3234 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
|
|
3235 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3236 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
|
|
3237 | |
|
|
3238 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
|
|
3239 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
|
|
3240 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
|
|
3241 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
2432 | |
3242 | |
2433 | coro_stash = gv_stashpv ("Coro", TRUE); |
3243 | coro_stash = gv_stashpv ("Coro", TRUE); |
2434 | |
3244 | |
2435 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3245 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
2436 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3246 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
2437 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3247 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
2438 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3248 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
2439 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3249 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
2440 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3250 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
2441 | |
3251 | |
2442 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
2443 | coro_ready[i] = newAV (); |
|
|
2444 | |
|
|
2445 | { |
3252 | { |
2446 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3253 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
2447 | |
3254 | |
2448 | coroapi.schedule = api_schedule; |
3255 | coroapi.schedule = api_schedule; |
|
|
3256 | coroapi.schedule_to = api_schedule_to; |
2449 | coroapi.cede = api_cede; |
3257 | coroapi.cede = api_cede; |
2450 | coroapi.cede_notself = api_cede_notself; |
3258 | coroapi.cede_notself = api_cede_notself; |
2451 | coroapi.ready = api_ready; |
3259 | coroapi.ready = api_ready; |
2452 | coroapi.is_ready = api_is_ready; |
3260 | coroapi.is_ready = api_is_ready; |
2453 | coroapi.nready = coro_nready; |
3261 | coroapi.nready = coro_nready; |
2454 | coroapi.current = coro_current; |
3262 | coroapi.current = coro_current; |
2455 | |
3263 | |
2456 | GCoroAPI = &coroapi; |
3264 | /*GCoroAPI = &coroapi;*/ |
2457 | sv_setiv (sv, (IV)&coroapi); |
3265 | sv_setiv (sv, (IV)&coroapi); |
2458 | SvREADONLY_on (sv); |
3266 | SvREADONLY_on (sv); |
2459 | } |
3267 | } |
2460 | } |
3268 | } |
|
|
3269 | |
|
|
3270 | void |
|
|
3271 | terminate (...) |
|
|
3272 | CODE: |
|
|
3273 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
2461 | |
3274 | |
2462 | void |
3275 | void |
2463 | schedule (...) |
3276 | schedule (...) |
2464 | CODE: |
3277 | CODE: |
2465 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3278 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
|
|
3279 | |
|
|
3280 | void |
|
|
3281 | schedule_to (...) |
|
|
3282 | CODE: |
|
|
3283 | CORO_EXECUTE_SLF_XS (slf_init_schedule_to); |
|
|
3284 | |
|
|
3285 | void |
|
|
3286 | cede_to (...) |
|
|
3287 | CODE: |
|
|
3288 | CORO_EXECUTE_SLF_XS (slf_init_cede_to); |
2466 | |
3289 | |
2467 | void |
3290 | void |
2468 | cede (...) |
3291 | cede (...) |
2469 | CODE: |
3292 | CODE: |
2470 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
3293 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
… | |
… | |
2525 | CODE: |
3348 | CODE: |
2526 | RETVAL = coro_nready; |
3349 | RETVAL = coro_nready; |
2527 | OUTPUT: |
3350 | OUTPUT: |
2528 | RETVAL |
3351 | RETVAL |
2529 | |
3352 | |
2530 | # for async_pool speedup |
|
|
2531 | void |
3353 | void |
2532 | _pool_1 (SV *cb) |
3354 | suspend (Coro::State self) |
|
|
3355 | PROTOTYPE: $ |
2533 | CODE: |
3356 | CODE: |
2534 | { |
3357 | self->flags |= CF_SUSPENDED; |
2535 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2536 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
2537 | AV *defav = GvAV (PL_defgv); |
|
|
2538 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
2539 | AV *invoke_av; |
|
|
2540 | int i, len; |
|
|
2541 | |
|
|
2542 | if (!invoke) |
|
|
2543 | { |
|
|
2544 | SV *old = PL_diehook; |
|
|
2545 | PL_diehook = 0; |
|
|
2546 | SvREFCNT_dec (old); |
|
|
2547 | croak ("\3async_pool terminate\2\n"); |
|
|
2548 | } |
|
|
2549 | |
|
|
2550 | SvREFCNT_dec (coro->saved_deffh); |
|
|
2551 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
2552 | |
|
|
2553 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2554 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
2555 | |
|
|
2556 | invoke_av = (AV *)SvRV (invoke); |
|
|
2557 | len = av_len (invoke_av); |
|
|
2558 | |
|
|
2559 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
2560 | |
|
|
2561 | if (len > 0) |
|
|
2562 | { |
|
|
2563 | av_fill (defav, len - 1); |
|
|
2564 | for (i = 0; i < len; ++i) |
|
|
2565 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
|
|
2566 | } |
|
|
2567 | } |
|
|
2568 | |
3358 | |
2569 | void |
3359 | void |
2570 | _pool_2 (SV *cb) |
3360 | resume (Coro::State self) |
|
|
3361 | PROTOTYPE: $ |
2571 | CODE: |
3362 | CODE: |
2572 | { |
3363 | self->flags &= ~CF_SUSPENDED; |
2573 | struct coro *coro = SvSTATE_current; |
|
|
2574 | |
|
|
2575 | sv_setsv (cb, &PL_sv_undef); |
|
|
2576 | |
|
|
2577 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
2578 | coro->saved_deffh = 0; |
|
|
2579 | |
|
|
2580 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
2581 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2582 | { |
|
|
2583 | SV *old = PL_diehook; |
|
|
2584 | PL_diehook = 0; |
|
|
2585 | SvREFCNT_dec (old); |
|
|
2586 | croak ("\3async_pool terminate\2\n"); |
|
|
2587 | } |
|
|
2588 | |
|
|
2589 | av_clear (GvAV (PL_defgv)); |
|
|
2590 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
|
|
2591 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
2592 | |
|
|
2593 | coro->prio = 0; |
|
|
2594 | |
|
|
2595 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
2596 | api_trace (aTHX_ coro_current, 0); |
|
|
2597 | |
|
|
2598 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
2599 | } |
|
|
2600 | |
|
|
2601 | |
|
|
2602 | MODULE = Coro::State PACKAGE = Coro::AIO |
|
|
2603 | |
3364 | |
2604 | void |
3365 | void |
2605 | _get_state (SV *self) |
3366 | _pool_handler (...) |
|
|
3367 | CODE: |
|
|
3368 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
|
|
3369 | |
|
|
3370 | void |
|
|
3371 | async_pool (SV *cv, ...) |
2606 | PROTOTYPE: $ |
3372 | PROTOTYPE: &@ |
2607 | PPCODE: |
3373 | PPCODE: |
2608 | { |
3374 | { |
2609 | AV *defav = GvAV (PL_defgv); |
3375 | HV *hv = (HV *)av_pop (av_async_pool); |
2610 | AV *av = newAV (); |
3376 | AV *av = newAV (); |
|
|
3377 | SV *cb = ST (0); |
2611 | int i; |
3378 | int i; |
2612 | SV *data_sv = newSV (sizeof (struct io_state)); |
|
|
2613 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
|
|
2614 | SvCUR_set (data_sv, sizeof (struct io_state)); |
|
|
2615 | SvPOK_only (data_sv); |
|
|
2616 | |
3379 | |
2617 | data->errorno = errno; |
3380 | av_extend (av, items - 2); |
2618 | data->laststype = PL_laststype; |
3381 | for (i = 1; i < items; ++i) |
2619 | data->laststatval = PL_laststatval; |
|
|
2620 | data->statcache = PL_statcache; |
|
|
2621 | |
|
|
2622 | av_extend (av, AvFILLp (defav) + 1 + 1); |
|
|
2623 | |
|
|
2624 | for (i = 0; i <= AvFILLp (defav); ++i) |
|
|
2625 | av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i])); |
3382 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
2626 | |
3383 | |
2627 | av_push (av, data_sv); |
3384 | if ((SV *)hv == &PL_sv_undef) |
2628 | |
|
|
2629 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
2630 | |
|
|
2631 | api_ready (aTHX_ self); |
|
|
2632 | } |
|
|
2633 | |
|
|
2634 | void |
|
|
2635 | _set_state (SV *state) |
|
|
2636 | PROTOTYPE: $ |
|
|
2637 | PPCODE: |
|
|
2638 | { |
|
|
2639 | AV *av = (AV *)SvRV (state); |
|
|
2640 | struct io_state *data = (struct io_state *)SvPVX (AvARRAY (av)[AvFILLp (av)]); |
|
|
2641 | int i; |
|
|
2642 | |
|
|
2643 | errno = data->errorno; |
|
|
2644 | PL_laststype = data->laststype; |
|
|
2645 | PL_laststatval = data->laststatval; |
|
|
2646 | PL_statcache = data->statcache; |
|
|
2647 | |
|
|
2648 | EXTEND (SP, AvFILLp (av)); |
|
|
2649 | for (i = 0; i < AvFILLp (av); ++i) |
|
|
2650 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i]))); |
|
|
2651 | } |
|
|
2652 | |
|
|
2653 | |
|
|
2654 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
|
|
2655 | |
|
|
2656 | BOOT: |
|
|
2657 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
|
|
2658 | |
|
|
2659 | void |
|
|
2660 | _schedule (...) |
|
|
2661 | CODE: |
|
|
2662 | { |
|
|
2663 | static int incede; |
|
|
2664 | |
|
|
2665 | api_cede_notself (aTHX); |
|
|
2666 | |
|
|
2667 | ++incede; |
|
|
2668 | while (coro_nready >= incede && api_cede (aTHX)) |
|
|
2669 | ; |
|
|
2670 | |
|
|
2671 | sv_setsv (sv_activity, &PL_sv_undef); |
|
|
2672 | if (coro_nready >= incede) |
|
|
2673 | { |
3385 | { |
2674 | PUSHMARK (SP); |
3386 | PUSHMARK (SP); |
|
|
3387 | EXTEND (SP, 2); |
|
|
3388 | PUSHs (sv_Coro); |
|
|
3389 | PUSHs ((SV *)cv_pool_handler); |
2675 | PUTBACK; |
3390 | PUTBACK; |
2676 | call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL); |
3391 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
2677 | SPAGAIN; |
3392 | SPAGAIN; |
|
|
3393 | |
|
|
3394 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
2678 | } |
3395 | } |
2679 | |
3396 | |
2680 | --incede; |
3397 | { |
|
|
3398 | struct coro *coro = SvSTATE_hv (hv); |
|
|
3399 | |
|
|
3400 | assert (!coro->invoke_cb); |
|
|
3401 | assert (!coro->invoke_av); |
|
|
3402 | coro->invoke_cb = SvREFCNT_inc (cb); |
|
|
3403 | coro->invoke_av = av; |
|
|
3404 | } |
|
|
3405 | |
|
|
3406 | api_ready (aTHX_ (SV *)hv); |
|
|
3407 | |
|
|
3408 | if (GIMME_V != G_VOID) |
|
|
3409 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
|
|
3410 | else |
|
|
3411 | SvREFCNT_dec (hv); |
|
|
3412 | } |
|
|
3413 | |
|
|
3414 | SV * |
|
|
3415 | rouse_cb () |
|
|
3416 | PROTOTYPE: |
|
|
3417 | CODE: |
|
|
3418 | RETVAL = coro_new_rouse_cb (aTHX); |
|
|
3419 | OUTPUT: |
|
|
3420 | RETVAL |
|
|
3421 | |
|
|
3422 | void |
|
|
3423 | rouse_wait (...) |
|
|
3424 | PROTOTYPE: ;$ |
|
|
3425 | PPCODE: |
|
|
3426 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
|
|
3427 | |
|
|
3428 | void |
|
|
3429 | on_enter (SV *block) |
|
|
3430 | ALIAS: |
|
|
3431 | on_leave = 1 |
|
|
3432 | PROTOTYPE: & |
|
|
3433 | CODE: |
|
|
3434 | { |
|
|
3435 | struct coro *coro = SvSTATE_current; |
|
|
3436 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
3437 | |
|
|
3438 | block = (SV *)coro_sv_2cv (aTHX_ block); |
|
|
3439 | |
|
|
3440 | if (!*avp) |
|
|
3441 | *avp = newAV (); |
|
|
3442 | |
|
|
3443 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
3444 | |
|
|
3445 | if (!ix) |
|
|
3446 | on_enterleave_call (aTHX_ block); |
|
|
3447 | |
|
|
3448 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3449 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
3450 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
2681 | } |
3451 | } |
2682 | |
3452 | |
2683 | |
3453 | |
2684 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3454 | MODULE = Coro::State PACKAGE = PerlIO::cede |
2685 | |
3455 | |
2686 | BOOT: |
3456 | BOOT: |
2687 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3457 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
2688 | |
3458 | |
|
|
3459 | |
2689 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3460 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
2690 | |
3461 | |
2691 | SV * |
3462 | SV * |
2692 | new (SV *klass, SV *count_ = 0) |
3463 | new (SV *klass, SV *count = 0) |
2693 | CODE: |
3464 | CODE: |
2694 | { |
3465 | RETVAL = sv_bless ( |
2695 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
3466 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
2696 | AV *av = newAV (); |
3467 | GvSTASH (CvGV (cv)) |
2697 | av_push (av, newSViv (count_ && SvOK (count_) ? SvIV (count_) : 1)); |
3468 | ); |
2698 | RETVAL = sv_bless (newRV_noinc ((SV *)av), GvSTASH (CvGV (cv))); |
3469 | OUTPUT: |
2699 | } |
3470 | RETVAL |
|
|
3471 | |
|
|
3472 | # helper for Coro::Channel and others |
|
|
3473 | SV * |
|
|
3474 | _alloc (int count) |
|
|
3475 | CODE: |
|
|
3476 | RETVAL = coro_waitarray_new (aTHX_ count); |
2700 | OUTPUT: |
3477 | OUTPUT: |
2701 | RETVAL |
3478 | RETVAL |
2702 | |
3479 | |
2703 | SV * |
3480 | SV * |
2704 | count (SV *self) |
3481 | count (SV *self) |
… | |
… | |
2713 | adjust = 1 |
3490 | adjust = 1 |
2714 | CODE: |
3491 | CODE: |
2715 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
3492 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
2716 | |
3493 | |
2717 | void |
3494 | void |
2718 | down (SV *self) |
3495 | down (...) |
2719 | CODE: |
3496 | CODE: |
2720 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
3497 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
|
|
3498 | |
|
|
3499 | void |
|
|
3500 | wait (...) |
|
|
3501 | CODE: |
|
|
3502 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait); |
2721 | |
3503 | |
2722 | void |
3504 | void |
2723 | try (SV *self) |
3505 | try (SV *self) |
2724 | PPCODE: |
3506 | PPCODE: |
2725 | { |
3507 | { |
… | |
… | |
2737 | XSRETURN_NO; |
3519 | XSRETURN_NO; |
2738 | } |
3520 | } |
2739 | |
3521 | |
2740 | void |
3522 | void |
2741 | waiters (SV *self) |
3523 | waiters (SV *self) |
2742 | CODE: |
3524 | PPCODE: |
2743 | { |
3525 | { |
2744 | AV *av = (AV *)SvRV (self); |
3526 | AV *av = (AV *)SvRV (self); |
|
|
3527 | int wcount = AvFILLp (av) + 1 - 1; |
2745 | |
3528 | |
2746 | if (GIMME_V == G_SCALAR) |
3529 | if (GIMME_V == G_SCALAR) |
2747 | XPUSHs (sv_2mortal (newSVsv (AvARRAY (av)[0]))); |
3530 | XPUSHs (sv_2mortal (newSViv (wcount))); |
2748 | else |
3531 | else |
2749 | { |
3532 | { |
2750 | int i; |
3533 | int i; |
2751 | EXTEND (SP, AvFILLp (av) + 1 - 1); |
3534 | EXTEND (SP, wcount); |
2752 | for (i = 1; i <= AvFILLp (av); ++i) |
3535 | for (i = 1; i <= wcount; ++i) |
2753 | PUSHs (newSVsv (AvARRAY (av)[i])); |
3536 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
2754 | } |
3537 | } |
2755 | } |
3538 | } |
2756 | |
3539 | |
|
|
3540 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
3541 | |
|
|
3542 | void |
|
|
3543 | _may_delete (SV *sem, int count, int extra_refs) |
|
|
3544 | PPCODE: |
|
|
3545 | { |
|
|
3546 | AV *av = (AV *)SvRV (sem); |
|
|
3547 | |
|
|
3548 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
3549 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
3550 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
3551 | XSRETURN_YES; |
|
|
3552 | |
|
|
3553 | XSRETURN_NO; |
|
|
3554 | } |
|
|
3555 | |
|
|
3556 | MODULE = Coro::State PACKAGE = Coro::Signal |
|
|
3557 | |
|
|
3558 | SV * |
|
|
3559 | new (SV *klass) |
|
|
3560 | CODE: |
|
|
3561 | RETVAL = sv_bless ( |
|
|
3562 | coro_waitarray_new (aTHX_ 0), |
|
|
3563 | GvSTASH (CvGV (cv)) |
|
|
3564 | ); |
|
|
3565 | OUTPUT: |
|
|
3566 | RETVAL |
|
|
3567 | |
|
|
3568 | void |
|
|
3569 | wait (...) |
|
|
3570 | CODE: |
|
|
3571 | CORO_EXECUTE_SLF_XS (slf_init_signal_wait); |
|
|
3572 | |
|
|
3573 | void |
|
|
3574 | broadcast (SV *self) |
|
|
3575 | CODE: |
|
|
3576 | { |
|
|
3577 | AV *av = (AV *)SvRV (self); |
|
|
3578 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
|
|
3579 | } |
|
|
3580 | |
|
|
3581 | void |
|
|
3582 | send (SV *self) |
|
|
3583 | CODE: |
|
|
3584 | { |
|
|
3585 | AV *av = (AV *)SvRV (self); |
|
|
3586 | |
|
|
3587 | if (AvFILLp (av)) |
|
|
3588 | coro_signal_wake (aTHX_ av, 1); |
|
|
3589 | else |
|
|
3590 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
|
|
3591 | } |
|
|
3592 | |
|
|
3593 | IV |
|
|
3594 | awaited (SV *self) |
|
|
3595 | CODE: |
|
|
3596 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
|
|
3597 | OUTPUT: |
|
|
3598 | RETVAL |
|
|
3599 | |
|
|
3600 | |
|
|
3601 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
|
|
3602 | |
|
|
3603 | BOOT: |
|
|
3604 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
|
|
3605 | |
|
|
3606 | void |
|
|
3607 | _schedule (...) |
|
|
3608 | CODE: |
|
|
3609 | { |
|
|
3610 | static int incede; |
|
|
3611 | |
|
|
3612 | api_cede_notself (aTHX); |
|
|
3613 | |
|
|
3614 | ++incede; |
|
|
3615 | while (coro_nready >= incede && api_cede (aTHX)) |
|
|
3616 | ; |
|
|
3617 | |
|
|
3618 | sv_setsv (sv_activity, &PL_sv_undef); |
|
|
3619 | if (coro_nready >= incede) |
|
|
3620 | { |
|
|
3621 | PUSHMARK (SP); |
|
|
3622 | PUTBACK; |
|
|
3623 | call_pv ("Coro::AnyEvent::_activity", G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
3624 | } |
|
|
3625 | |
|
|
3626 | --incede; |
|
|
3627 | } |
|
|
3628 | |
|
|
3629 | |
|
|
3630 | MODULE = Coro::State PACKAGE = Coro::AIO |
|
|
3631 | |
|
|
3632 | void |
|
|
3633 | _register (char *target, char *proto, SV *req) |
|
|
3634 | CODE: |
|
|
3635 | { |
|
|
3636 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
|
|
3637 | /* newXSproto doesn't return the CV on 5.8 */ |
|
|
3638 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
|
|
3639 | sv_setpv ((SV *)slf_cv, proto); |
|
|
3640 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
|
|
3641 | } |
|
|
3642 | |