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1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
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2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
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3 | |
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4 | #define NDEBUG 1 |
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5 | |
1 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
2 | |
7 | |
3 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
4 | #define PERL_EXT |
9 | #define PERL_EXT |
5 | |
10 | |
… | |
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12 | |
17 | |
13 | #include <stdio.h> |
18 | #include <stdio.h> |
14 | #include <errno.h> |
19 | #include <errno.h> |
15 | #include <assert.h> |
20 | #include <assert.h> |
16 | |
21 | |
17 | #ifdef WIN32 |
22 | #ifndef SVs_PADSTALE |
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23 | # define SVs_PADSTALE 0 |
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24 | #endif |
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25 | |
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26 | #if defined(_WIN32) |
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27 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
28 | # undef setjmp |
19 | # undef longjmp |
29 | # undef longjmp |
20 | # undef _exit |
30 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
31 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
32 | #else |
… | |
… | |
142 | static SV *sv_pool_size; |
152 | static SV *sv_pool_size; |
143 | static SV *sv_async_pool_idle; /* description string */ |
153 | static SV *sv_async_pool_idle; /* description string */ |
144 | static AV *av_async_pool; /* idle pool */ |
154 | static AV *av_async_pool; /* idle pool */ |
145 | static SV *sv_Coro; /* class string */ |
155 | static SV *sv_Coro; /* class string */ |
146 | static CV *cv_pool_handler; |
156 | static CV *cv_pool_handler; |
147 | static CV *cv_coro_state_new; |
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148 | |
157 | |
149 | /* Coro::AnyEvent */ |
158 | /* Coro::AnyEvent */ |
150 | static SV *sv_activity; |
159 | static SV *sv_activity; |
151 | |
160 | |
152 | /* enable processtime/realtime profiling */ |
161 | /* enable processtime/realtime profiling */ |
… | |
… | |
187 | int valgrind_id; |
196 | int valgrind_id; |
188 | #endif |
197 | #endif |
189 | unsigned char flags; |
198 | unsigned char flags; |
190 | } coro_cctx; |
199 | } coro_cctx; |
191 | |
200 | |
192 | coro_cctx *cctx_current; /* the currently running cctx */ |
201 | static coro_cctx *cctx_current; /* the currently running cctx */ |
193 | |
202 | |
194 | /*****************************************************************************/ |
203 | /*****************************************************************************/ |
195 | |
204 | |
196 | enum { |
205 | enum { |
197 | CF_RUNNING = 0x0001, /* coroutine is running */ |
206 | CF_RUNNING = 0x0001, /* coroutine is running */ |
198 | CF_READY = 0x0002, /* coroutine is ready */ |
207 | CF_READY = 0x0002, /* coroutine is ready */ |
199 | CF_NEW = 0x0004, /* has never been switched to */ |
208 | CF_NEW = 0x0004, /* has never been switched to */ |
200 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
209 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
201 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
210 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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211 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
202 | }; |
212 | }; |
203 | |
213 | |
204 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
214 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
205 | typedef struct |
215 | typedef struct |
206 | { |
216 | { |
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232 | CV *startcv; /* the CV to execute */ |
242 | CV *startcv; /* the CV to execute */ |
233 | AV *args; /* data associated with this coroutine (initial args) */ |
243 | AV *args; /* data associated with this coroutine (initial args) */ |
234 | int refcnt; /* coroutines are refcounted, yes */ |
244 | int refcnt; /* coroutines are refcounted, yes */ |
235 | int flags; /* CF_ flags */ |
245 | int flags; /* CF_ flags */ |
236 | HV *hv; /* the perl hash associated with this coro, if any */ |
246 | HV *hv; /* the perl hash associated with this coro, if any */ |
237 | void (*on_destroy)(pTHX_ struct coro *coro); |
247 | void (*on_destroy)(pTHX_ struct coro *coro); /* for temporary use by xs in critical sections */ |
238 | |
248 | |
239 | /* statistics */ |
249 | /* statistics */ |
240 | int usecount; /* number of transfers to this coro */ |
250 | int usecount; /* number of transfers to this coro */ |
241 | |
251 | |
242 | /* coro process data */ |
252 | /* coro process data */ |
… | |
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251 | |
261 | |
252 | /* on_enter/on_leave */ |
262 | /* on_enter/on_leave */ |
253 | AV *on_enter; |
263 | AV *on_enter; |
254 | AV *on_leave; |
264 | AV *on_leave; |
255 | |
265 | |
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266 | /* swap_sv */ |
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267 | AV *swap_sv; |
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268 | |
256 | /* times */ |
269 | /* times */ |
257 | coro_ts t_cpu, t_real; |
270 | coro_ts t_cpu, t_real; |
258 | |
271 | |
259 | /* linked list */ |
272 | /* linked list */ |
260 | struct coro *next, *prev; |
273 | struct coro *next, *prev; |
… | |
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263 | typedef struct coro *Coro__State; |
276 | typedef struct coro *Coro__State; |
264 | typedef struct coro *Coro__State_or_hashref; |
277 | typedef struct coro *Coro__State_or_hashref; |
265 | |
278 | |
266 | /* the following variables are effectively part of the perl context */ |
279 | /* the following variables are effectively part of the perl context */ |
267 | /* and get copied between struct coro and these variables */ |
280 | /* and get copied between struct coro and these variables */ |
268 | /* the mainr easonw e don't support windows process emulation */ |
281 | /* the main reason we don't support windows process emulation */ |
269 | static struct CoroSLF slf_frame; /* the current slf frame */ |
282 | static struct CoroSLF slf_frame; /* the current slf frame */ |
270 | |
283 | |
271 | /** Coro ********************************************************************/ |
284 | /** Coro ********************************************************************/ |
272 | |
285 | |
273 | #define CORO_PRIO_MAX 3 |
286 | #define CORO_PRIO_MAX 3 |
… | |
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290 | static OP *(*coro_old_pp_sselect) (pTHX); |
303 | static OP *(*coro_old_pp_sselect) (pTHX); |
291 | static SV *coro_select_select; |
304 | static SV *coro_select_select; |
292 | |
305 | |
293 | /* horrible hack, but if it works... */ |
306 | /* horrible hack, but if it works... */ |
294 | static OP * |
307 | static OP * |
295 | coro_pp_sselect (aTHX) |
308 | coro_pp_sselect (pTHX) |
296 | { |
309 | { |
297 | dSP; |
310 | dSP; |
298 | PUSHMARK (SP - 4); /* fake argument list */ |
311 | PUSHMARK (SP - 4); /* fake argument list */ |
299 | XPUSHs (coro_select_select); |
312 | XPUSHs (coro_select_select); |
300 | PUTBACK; |
313 | PUTBACK; |
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302 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
315 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
303 | PL_op->op_flags |= OPf_STACKED; |
316 | PL_op->op_flags |= OPf_STACKED; |
304 | PL_op->op_private = 0; |
317 | PL_op->op_private = 0; |
305 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
318 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
306 | } |
319 | } |
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320 | |
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321 | /** time stuff **************************************************************/ |
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322 | |
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323 | #ifdef HAS_GETTIMEOFDAY |
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324 | |
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325 | static void |
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326 | coro_u2time (pTHX_ UV ret[2]) |
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327 | { |
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328 | struct timeval tv; |
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329 | gettimeofday (&tv, 0); |
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330 | |
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331 | ret [0] = tv.tv_sec; |
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332 | ret [1] = tv.tv_usec; |
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333 | } |
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334 | |
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335 | static double |
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336 | coro_nvtime () |
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337 | { |
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338 | struct timeval tv; |
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339 | gettimeofday (&tv, 0); |
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340 | |
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341 | return tv.tv_sec + tv.tv_usec * 1e-6; |
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342 | } |
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343 | |
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344 | static void |
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345 | time_init (pTHX) |
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346 | { |
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347 | nvtime = coro_nvtime; |
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348 | u2time = coro_u2time; |
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349 | } |
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350 | |
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351 | #else |
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352 | |
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353 | static void |
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354 | time_init (pTHX) |
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355 | { |
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356 | SV **svp; |
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357 | |
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358 | require_pv ("Time/HiRes.pm"); |
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359 | |
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360 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
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361 | |
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362 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
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363 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
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364 | |
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365 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
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366 | |
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367 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
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368 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
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369 | } |
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370 | |
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371 | #endif |
307 | |
372 | |
308 | /** lowlevel stuff **********************************************************/ |
373 | /** lowlevel stuff **********************************************************/ |
309 | |
374 | |
310 | static SV * |
375 | static SV * |
311 | coro_get_sv (pTHX_ const char *name, int create) |
376 | coro_get_sv (pTHX_ const char *name, int create) |
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551 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
616 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
552 | } |
617 | } |
553 | |
618 | |
554 | /** load & save, init *******************************************************/ |
619 | /** load & save, init *******************************************************/ |
555 | |
620 | |
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621 | /* swap sv heads, at least logically */ |
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622 | static void |
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623 | swap_svs (pTHX_ Coro__State c) |
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624 | { |
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625 | int i; |
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626 | |
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627 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
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628 | { |
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629 | SV *a = AvARRAY (c->swap_sv)[i++]; |
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630 | SV *b = AvARRAY (c->swap_sv)[i++]; |
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631 | |
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632 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
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633 | SV tmp; |
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634 | |
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635 | /* swap sv_any */ |
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636 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
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637 | |
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638 | /* swap sv_flags */ |
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639 | SvFLAGS (&tmp) = SvFLAGS (a); |
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640 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
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641 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
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642 | |
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643 | #if PERL_VERSION_ATLEAST (5,10,0) |
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644 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
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645 | * much faster, so no quarrels here. alternatively, we could |
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646 | * sv_upgrade to avoid this. |
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647 | */ |
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648 | { |
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649 | /* swap sv_u */ |
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650 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
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651 | |
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652 | /* if SvANY points to the head, we need to adjust the pointers, |
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653 | * as the pointer for a still points to b, and maybe vice versa. |
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654 | */ |
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655 | #define svany_in_head(type) \ |
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656 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
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657 | |
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658 | if (svany_in_head (SvTYPE (a))) |
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659 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
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660 | |
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661 | if (svany_in_head (SvTYPE (b))) |
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662 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
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663 | } |
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664 | #endif |
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665 | } |
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666 | } |
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667 | |
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668 | #define SWAP_SVS(coro) \ |
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669 | if (expect_false ((coro)->swap_sv)) \ |
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670 | swap_svs (aTHX_ (coro)) |
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671 | |
556 | static void |
672 | static void |
557 | on_enterleave_call (pTHX_ SV *cb); |
673 | on_enterleave_call (pTHX_ SV *cb); |
558 | |
674 | |
559 | static void |
675 | static void |
560 | load_perl (pTHX_ Coro__State c) |
676 | load_perl (pTHX_ Coro__State c) |
… | |
… | |
606 | int i; |
722 | int i; |
607 | |
723 | |
608 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
724 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
609 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
725 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
610 | } |
726 | } |
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727 | |
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728 | SWAP_SVS (c); |
611 | } |
729 | } |
612 | |
730 | |
613 | static void |
731 | static void |
614 | save_perl (pTHX_ Coro__State c) |
732 | save_perl (pTHX_ Coro__State c) |
615 | { |
733 | { |
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734 | SWAP_SVS (c); |
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735 | |
616 | if (expect_false (c->on_leave)) |
736 | if (expect_false (c->on_leave)) |
617 | { |
737 | { |
618 | int i; |
738 | int i; |
619 | |
739 | |
620 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
740 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
… | |
… | |
927 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1047 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
928 | { |
1048 | { |
929 | return 1; |
1049 | return 1; |
930 | } |
1050 | } |
931 | |
1051 | |
932 | static UNOP coro_setup_op; |
1052 | static UNOP init_perl_op; |
933 | |
1053 | |
934 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1054 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
935 | coro_setup (pTHX_ struct coro *coro) |
1055 | init_perl (pTHX_ struct coro *coro) |
936 | { |
1056 | { |
937 | /* |
1057 | /* |
938 | * emulate part of the perl startup here. |
1058 | * emulate part of the perl startup here. |
939 | */ |
1059 | */ |
940 | coro_init_stacks (aTHX); |
1060 | coro_init_stacks (aTHX); |
… | |
… | |
947 | PL_comppad_name_fill = 0; |
1067 | PL_comppad_name_fill = 0; |
948 | PL_comppad_name_floor = 0; |
1068 | PL_comppad_name_floor = 0; |
949 | PL_curpm = 0; |
1069 | PL_curpm = 0; |
950 | PL_curpad = 0; |
1070 | PL_curpad = 0; |
951 | PL_localizing = 0; |
1071 | PL_localizing = 0; |
952 | PL_dirty = 0; |
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953 | PL_restartop = 0; |
1072 | PL_restartop = 0; |
954 | #if PERL_VERSION_ATLEAST (5,10,0) |
1073 | #if PERL_VERSION_ATLEAST (5,10,0) |
955 | PL_parser = 0; |
1074 | PL_parser = 0; |
956 | #endif |
1075 | #endif |
957 | PL_hints = 0; |
1076 | PL_hints = 0; |
… | |
… | |
989 | */ |
1108 | */ |
990 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1109 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
991 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1110 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
992 | |
1111 | |
993 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1112 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
994 | coro_setup_op.op_next = PL_op; |
1113 | init_perl_op.op_next = PL_op; |
995 | coro_setup_op.op_type = OP_ENTERSUB; |
1114 | init_perl_op.op_type = OP_ENTERSUB; |
996 | coro_setup_op.op_ppaddr = pp_slf; |
1115 | init_perl_op.op_ppaddr = pp_slf; |
997 | /* no flags etc. required, as an init function won't be called */ |
1116 | /* no flags etc. required, as an init function won't be called */ |
998 | |
1117 | |
999 | PL_op = (OP *)&coro_setup_op; |
1118 | PL_op = (OP *)&init_perl_op; |
1000 | |
1119 | |
1001 | /* copy throw, in case it was set before coro_setup */ |
1120 | /* copy throw, in case it was set before init_perl */ |
1002 | CORO_THROW = coro->except; |
1121 | CORO_THROW = coro->except; |
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1122 | |
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1123 | SWAP_SVS (coro); |
1003 | |
1124 | |
1004 | if (expect_false (enable_times)) |
1125 | if (expect_false (enable_times)) |
1005 | { |
1126 | { |
1006 | coro_times_update (); |
1127 | coro_times_update (); |
1007 | coro_times_sub (coro); |
1128 | coro_times_sub (coro); |
… | |
… | |
1028 | dounwind (-1); |
1149 | dounwind (-1); |
1029 | } |
1150 | } |
1030 | } |
1151 | } |
1031 | |
1152 | |
1032 | static void |
1153 | static void |
1033 | coro_destruct_perl (pTHX_ struct coro *coro) |
1154 | destroy_perl (pTHX_ struct coro *coro) |
1034 | { |
1155 | { |
1035 | SV *svf [9]; |
1156 | SV *svf [9]; |
1036 | |
1157 | |
1037 | { |
1158 | { |
1038 | struct coro *current = SvSTATE_current; |
1159 | struct coro *current = SvSTATE_current; |
… | |
… | |
1042 | save_perl (aTHX_ current); |
1163 | save_perl (aTHX_ current); |
1043 | load_perl (aTHX_ coro); |
1164 | load_perl (aTHX_ coro); |
1044 | |
1165 | |
1045 | coro_unwind_stacks (aTHX); |
1166 | coro_unwind_stacks (aTHX); |
1046 | coro_destruct_stacks (aTHX); |
1167 | coro_destruct_stacks (aTHX); |
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1168 | |
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1169 | /* restore swapped sv's */ |
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1170 | SWAP_SVS (coro); |
1047 | |
1171 | |
1048 | // now save some sv's to be free'd later |
1172 | // now save some sv's to be free'd later |
1049 | svf [0] = GvSV (PL_defgv); |
1173 | svf [0] = GvSV (PL_defgv); |
1050 | svf [1] = (SV *)GvAV (PL_defgv); |
1174 | svf [1] = (SV *)GvAV (PL_defgv); |
1051 | svf [2] = GvSV (PL_errgv); |
1175 | svf [2] = GvSV (PL_errgv); |
… | |
… | |
1275 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1399 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1276 | PL_restartop = PL_op; |
1400 | PL_restartop = PL_op; |
1277 | perl_run (PL_curinterp); |
1401 | perl_run (PL_curinterp); |
1278 | /* |
1402 | /* |
1279 | * Unfortunately, there is no way to get at the return values of the |
1403 | * Unfortunately, there is no way to get at the return values of the |
1280 | * coro body here, as perl_run destroys these |
1404 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
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1405 | * runtime errors here, as this is just a random interpreter, not a thread. |
1281 | */ |
1406 | */ |
1282 | |
1407 | |
1283 | /* |
1408 | /* |
1284 | * If perl-run returns we assume exit() was being called or the coro |
1409 | * If perl-run returns we assume exit() was being called or the coro |
1285 | * fell off the end, which seems to be the only valid (non-bug) |
1410 | * fell off the end, which seems to be the only valid (non-bug) |
… | |
… | |
1372 | cctx_destroy (coro_cctx *cctx) |
1497 | cctx_destroy (coro_cctx *cctx) |
1373 | { |
1498 | { |
1374 | if (!cctx) |
1499 | if (!cctx) |
1375 | return; |
1500 | return; |
1376 | |
1501 | |
1377 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1502 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1378 | |
1503 | |
1379 | --cctx_count; |
1504 | --cctx_count; |
1380 | coro_destroy (&cctx->cctx); |
1505 | coro_destroy (&cctx->cctx); |
1381 | |
1506 | |
1382 | /* coro_transfer creates new, empty cctx's */ |
1507 | /* coro_transfer creates new, empty cctx's */ |
… | |
… | |
1492 | if (expect_false (next->flags & CF_NEW)) |
1617 | if (expect_false (next->flags & CF_NEW)) |
1493 | { |
1618 | { |
1494 | /* need to start coroutine */ |
1619 | /* need to start coroutine */ |
1495 | next->flags &= ~CF_NEW; |
1620 | next->flags &= ~CF_NEW; |
1496 | /* setup coroutine call */ |
1621 | /* setup coroutine call */ |
1497 | coro_setup (aTHX_ next); |
1622 | init_perl (aTHX_ next); |
1498 | } |
1623 | } |
1499 | else |
1624 | else |
1500 | load_perl (aTHX_ next); |
1625 | load_perl (aTHX_ next); |
1501 | |
1626 | |
1502 | /* possibly untie and reuse the cctx */ |
1627 | /* possibly untie and reuse the cctx */ |
… | |
… | |
1541 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1666 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1542 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1667 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1543 | |
1668 | |
1544 | /** high level stuff ********************************************************/ |
1669 | /** high level stuff ********************************************************/ |
1545 | |
1670 | |
1546 | static int |
1671 | static void |
1547 | coro_state_destroy (pTHX_ struct coro *coro) |
1672 | coro_state_destroy (pTHX_ struct coro *coro) |
1548 | { |
1673 | { |
1549 | if (coro->flags & CF_DESTROYED) |
1674 | if (coro->flags & CF_DESTROYED) |
1550 | return 0; |
1675 | return; |
1551 | |
1676 | |
|
|
1677 | /* this callback is reserved for slf functions needing to do cleanup */ |
1552 | if (coro->on_destroy && !PL_dirty) |
1678 | if (coro->on_destroy && !PL_dirty) |
1553 | coro->on_destroy (aTHX_ coro); |
1679 | coro->on_destroy (aTHX_ coro); |
|
|
1680 | |
|
|
1681 | /* |
|
|
1682 | * The on_destroy above most likely is from an SLF call. |
|
|
1683 | * Since by definition the SLF call will not finish when we destroy |
|
|
1684 | * the coro, we will have to force-finish it here, otherwise |
|
|
1685 | * cleanup functions cannot call SLF functions. |
|
|
1686 | */ |
|
|
1687 | coro->slf_frame.prepare = 0; |
1554 | |
1688 | |
1555 | coro->flags |= CF_DESTROYED; |
1689 | coro->flags |= CF_DESTROYED; |
1556 | |
1690 | |
1557 | if (coro->flags & CF_READY) |
1691 | if (coro->flags & CF_READY) |
1558 | { |
1692 | { |
… | |
… | |
1565 | |
1699 | |
1566 | if (coro->mainstack |
1700 | if (coro->mainstack |
1567 | && coro->mainstack != main_mainstack |
1701 | && coro->mainstack != main_mainstack |
1568 | && coro->slot |
1702 | && coro->slot |
1569 | && !PL_dirty) |
1703 | && !PL_dirty) |
1570 | coro_destruct_perl (aTHX_ coro); |
1704 | destroy_perl (aTHX_ coro); |
|
|
1705 | |
|
|
1706 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1707 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1708 | if (coro == coro_first) coro_first = coro->next; |
1571 | |
1709 | |
1572 | cctx_destroy (coro->cctx); |
1710 | cctx_destroy (coro->cctx); |
1573 | SvREFCNT_dec (coro->startcv); |
1711 | SvREFCNT_dec (coro->startcv); |
1574 | SvREFCNT_dec (coro->args); |
1712 | SvREFCNT_dec (coro->args); |
|
|
1713 | SvREFCNT_dec (coro->swap_sv); |
1575 | SvREFCNT_dec (CORO_THROW); |
1714 | SvREFCNT_dec (CORO_THROW); |
1576 | |
|
|
1577 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1578 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1579 | if (coro == coro_first) coro_first = coro->next; |
|
|
1580 | |
|
|
1581 | return 1; |
|
|
1582 | } |
1715 | } |
1583 | |
1716 | |
1584 | static int |
1717 | static int |
1585 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1718 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1586 | { |
1719 | { |
… | |
… | |
1754 | { |
1887 | { |
1755 | /* nothing to schedule: call the idle handler */ |
1888 | /* nothing to schedule: call the idle handler */ |
1756 | if (SvROK (sv_idle) |
1889 | if (SvROK (sv_idle) |
1757 | && SvOBJECT (SvRV (sv_idle))) |
1890 | && SvOBJECT (SvRV (sv_idle))) |
1758 | { |
1891 | { |
|
|
1892 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1893 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1894 | |
1759 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1895 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1760 | api_ready (aTHX_ SvRV (sv_idle)); |
1896 | api_ready (aTHX_ SvRV (sv_idle)); |
1761 | --coro_nready; |
1897 | --coro_nready; |
1762 | } |
1898 | } |
1763 | else |
1899 | else |
1764 | { |
1900 | { |
|
|
1901 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1765 | dSP; |
1902 | dSP; |
1766 | |
1903 | |
1767 | ENTER; |
1904 | ENTER; |
1768 | SAVETMPS; |
1905 | SAVETMPS; |
1769 | |
1906 | |
… | |
… | |
1879 | |
2016 | |
1880 | static void |
2017 | static void |
1881 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2018 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1882 | { |
2019 | { |
1883 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2020 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
1884 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1885 | |
2021 | |
1886 | if (on_destroyp) |
2022 | if (on_destroyp) |
1887 | { |
2023 | { |
1888 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
2024 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
2025 | AV *on_destroy = sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*on_destroyp))); |
|
|
2026 | AV *status = statusp ? sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*statusp))) : 0; |
1889 | |
2027 | |
1890 | while (AvFILLp (on_destroy) >= 0) |
2028 | while (AvFILLp (on_destroy) >= 0) |
1891 | { |
2029 | { |
1892 | dSP; /* don't disturb outer sp */ |
2030 | dSP; /* don't disturb outer sp */ |
1893 | SV *cb = av_pop (on_destroy); |
2031 | SV *cb = av_pop (on_destroy); |
… | |
… | |
1895 | PUSHMARK (SP); |
2033 | PUSHMARK (SP); |
1896 | |
2034 | |
1897 | if (statusp) |
2035 | if (statusp) |
1898 | { |
2036 | { |
1899 | int i; |
2037 | int i; |
1900 | AV *status = (AV *)SvRV (*statusp); |
|
|
1901 | EXTEND (SP, AvFILLp (status) + 1); |
2038 | EXTEND (SP, AvFILLp (status) + 1); |
1902 | |
2039 | |
1903 | for (i = 0; i <= AvFILLp (status); ++i) |
2040 | for (i = 0; i <= AvFILLp (status); ++i) |
1904 | PUSHs (AvARRAY (status)[i]); |
2041 | PUSHs (AvARRAY (status)[i]); |
1905 | } |
2042 | } |
… | |
… | |
1909 | } |
2046 | } |
1910 | } |
2047 | } |
1911 | } |
2048 | } |
1912 | |
2049 | |
1913 | static void |
2050 | static void |
1914 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2051 | coro_set_status (HV *coro_hv, SV **arg, int items) |
1915 | { |
2052 | { |
1916 | int i; |
|
|
1917 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1918 | AV *av = newAV (); |
2053 | AV *av = newAV (); |
1919 | |
2054 | |
|
|
2055 | /* items are actually not so common, so optimise for this case */ |
|
|
2056 | if (items) |
|
|
2057 | { |
|
|
2058 | int i; |
|
|
2059 | |
1920 | av_extend (av, items - 1); |
2060 | av_extend (av, items - 1); |
|
|
2061 | |
1921 | for (i = 0; i < items; ++i) |
2062 | for (i = 0; i < items; ++i) |
1922 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2063 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2064 | } |
1923 | |
2065 | |
1924 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2066 | hv_store (coro_hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
2067 | } |
1925 | |
2068 | |
|
|
2069 | static void |
|
|
2070 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2071 | { |
1926 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2072 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
1927 | api_ready (aTHX_ sv_manager); |
2073 | api_ready (aTHX_ sv_manager); |
1928 | |
2074 | |
1929 | frame->prepare = prepare_schedule; |
2075 | frame->prepare = prepare_schedule; |
1930 | frame->check = slf_check_repeat; |
2076 | frame->check = slf_check_repeat; |
1931 | |
2077 | |
1932 | /* as a minor optimisation, we could unwind all stacks here */ |
2078 | /* as a minor optimisation, we could unwind all stacks here */ |
1933 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2079 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
1934 | /*coro_unwind_stacks (aTHX);*/ |
2080 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2081 | } |
|
|
2082 | |
|
|
2083 | static void |
|
|
2084 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2085 | { |
|
|
2086 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2087 | |
|
|
2088 | coro_set_status (coro_hv, arg, items); |
|
|
2089 | slf_init_terminate_cancel_common (frame, coro_hv); |
|
|
2090 | } |
|
|
2091 | |
|
|
2092 | static void |
|
|
2093 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2094 | { |
|
|
2095 | HV *coro_hv; |
|
|
2096 | struct coro *coro; |
|
|
2097 | |
|
|
2098 | if (items <= 0) |
|
|
2099 | croak ("Coro::cancel called without coro object,"); |
|
|
2100 | |
|
|
2101 | coro = SvSTATE (arg [0]); |
|
|
2102 | coro_hv = coro->hv; |
|
|
2103 | |
|
|
2104 | coro_set_status (coro_hv, arg + 1, items - 1); |
|
|
2105 | |
|
|
2106 | if (expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2107 | { |
|
|
2108 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2109 | coro->slf_frame.data = (void *)coro; |
|
|
2110 | |
|
|
2111 | frame->prepare = prepare_nop; |
|
|
2112 | frame->check = slf_check_nop; |
|
|
2113 | } |
|
|
2114 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2115 | { |
|
|
2116 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2117 | slf_init_terminate_cancel_common (frame, coro_hv); |
|
|
2118 | } |
|
|
2119 | else |
|
|
2120 | { |
|
|
2121 | struct coro *self = SvSTATE_current; |
|
|
2122 | |
|
|
2123 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2124 | * unfortunately, this requires some magic trickery, as |
|
|
2125 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2126 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2127 | * besides, I can't get the slow-but-safe version working... |
|
|
2128 | */ |
|
|
2129 | slf_frame.data = 0; |
|
|
2130 | self->flags |= CF_NOCANCEL; |
|
|
2131 | |
|
|
2132 | coro_state_destroy (aTHX_ coro); |
|
|
2133 | coro_call_on_destroy (aTHX_ coro); |
|
|
2134 | |
|
|
2135 | self->flags &= ~CF_NOCANCEL; |
|
|
2136 | |
|
|
2137 | if (slf_frame.data) |
|
|
2138 | { |
|
|
2139 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2140 | slf_init_terminate_cancel_common (frame, self->hv); |
|
|
2141 | } |
|
|
2142 | else |
|
|
2143 | { |
|
|
2144 | frame->prepare = prepare_nop; |
|
|
2145 | frame->check = slf_check_nop; |
|
|
2146 | } |
|
|
2147 | } |
1935 | } |
2148 | } |
1936 | |
2149 | |
1937 | /*****************************************************************************/ |
2150 | /*****************************************************************************/ |
1938 | /* async pool handler */ |
2151 | /* async pool handler */ |
1939 | |
2152 | |
… | |
… | |
2343 | if (PL_op->op_flags & OPf_STACKED) |
2556 | if (PL_op->op_flags & OPf_STACKED) |
2344 | { |
2557 | { |
2345 | if (items > slf_arga) |
2558 | if (items > slf_arga) |
2346 | { |
2559 | { |
2347 | slf_arga = items; |
2560 | slf_arga = items; |
2348 | free (slf_argv); |
2561 | Safefree (slf_argv); |
2349 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2562 | New (0, slf_argv, slf_arga, SV *); |
2350 | } |
2563 | } |
2351 | |
2564 | |
2352 | slf_argc = items; |
2565 | slf_argc = items; |
2353 | |
2566 | |
2354 | for (i = 0; i < items; ++i) |
2567 | for (i = 0; i < items; ++i) |
… | |
… | |
2715 | { |
2928 | { |
2716 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2929 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2717 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2930 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2718 | |
2931 | |
2719 | if (SvIVX (AvARRAY (av)[0])) |
2932 | if (SvIVX (AvARRAY (av)[0])) |
2720 | coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ |
2933 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
2721 | |
2934 | |
2722 | frame->prepare = prepare_nop; |
2935 | frame->prepare = prepare_nop; |
2723 | frame->check = slf_check_nop; |
2936 | frame->check = slf_check_nop; |
2724 | } |
2937 | } |
2725 | else if (SvIVX (AvARRAY (av)[0])) |
2938 | else if (SvIVX (AvARRAY (av)[0])) |
… | |
… | |
2887 | /* now call the AIO function - we assume our request is uncancelable */ |
3100 | /* now call the AIO function - we assume our request is uncancelable */ |
2888 | PUTBACK; |
3101 | PUTBACK; |
2889 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3102 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2890 | } |
3103 | } |
2891 | |
3104 | |
2892 | /* now that the requets is going, we loop toll we have a result */ |
3105 | /* now that the request is going, we loop till we have a result */ |
2893 | frame->data = (void *)state; |
3106 | frame->data = (void *)state; |
2894 | frame->prepare = prepare_schedule; |
3107 | frame->prepare = prepare_schedule; |
2895 | frame->check = slf_check_aio_req; |
3108 | frame->check = slf_check_aio_req; |
2896 | } |
3109 | } |
2897 | |
3110 | |
… | |
… | |
2908 | /*****************************************************************************/ |
3121 | /*****************************************************************************/ |
2909 | |
3122 | |
2910 | #if CORO_CLONE |
3123 | #if CORO_CLONE |
2911 | # include "clone.c" |
3124 | # include "clone.c" |
2912 | #endif |
3125 | #endif |
|
|
3126 | |
|
|
3127 | /*****************************************************************************/ |
|
|
3128 | |
|
|
3129 | static SV * |
|
|
3130 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3131 | { |
|
|
3132 | SV *coro_sv; |
|
|
3133 | struct coro *coro; |
|
|
3134 | MAGIC *mg; |
|
|
3135 | HV *hv; |
|
|
3136 | SV *cb; |
|
|
3137 | int i; |
|
|
3138 | |
|
|
3139 | if (argc > 0) |
|
|
3140 | { |
|
|
3141 | cb = s_get_cv_croak (argv [0]); |
|
|
3142 | |
|
|
3143 | if (!is_coro) |
|
|
3144 | { |
|
|
3145 | if (CvISXSUB (cb)) |
|
|
3146 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3147 | |
|
|
3148 | if (!CvROOT (cb)) |
|
|
3149 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3150 | } |
|
|
3151 | } |
|
|
3152 | |
|
|
3153 | Newz (0, coro, 1, struct coro); |
|
|
3154 | coro->args = newAV (); |
|
|
3155 | coro->flags = CF_NEW; |
|
|
3156 | |
|
|
3157 | if (coro_first) coro_first->prev = coro; |
|
|
3158 | coro->next = coro_first; |
|
|
3159 | coro_first = coro; |
|
|
3160 | |
|
|
3161 | coro->hv = hv = newHV (); |
|
|
3162 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3163 | mg->mg_flags |= MGf_DUP; |
|
|
3164 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3165 | |
|
|
3166 | if (argc > 0) |
|
|
3167 | { |
|
|
3168 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3169 | |
|
|
3170 | if (is_coro) |
|
|
3171 | { |
|
|
3172 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3173 | cb = (SV *)cv_coro_run; |
|
|
3174 | } |
|
|
3175 | |
|
|
3176 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3177 | |
|
|
3178 | for (i = 1; i < argc; i++) |
|
|
3179 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3180 | } |
|
|
3181 | |
|
|
3182 | return coro_sv; |
|
|
3183 | } |
2913 | |
3184 | |
2914 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3185 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2915 | |
3186 | |
2916 | PROTOTYPES: DISABLE |
3187 | PROTOTYPES: DISABLE |
2917 | |
3188 | |
… | |
… | |
2970 | coroapi.prepare_nop = prepare_nop; |
3241 | coroapi.prepare_nop = prepare_nop; |
2971 | coroapi.prepare_schedule = prepare_schedule; |
3242 | coroapi.prepare_schedule = prepare_schedule; |
2972 | coroapi.prepare_cede = prepare_cede; |
3243 | coroapi.prepare_cede = prepare_cede; |
2973 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3244 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2974 | |
3245 | |
2975 | { |
3246 | time_init (aTHX); |
2976 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2977 | |
|
|
2978 | if (!svp) croak ("Time::HiRes is required"); |
|
|
2979 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
2980 | |
|
|
2981 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
2982 | |
|
|
2983 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
2984 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
2985 | } |
|
|
2986 | |
3247 | |
2987 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3248 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
2988 | } |
3249 | } |
2989 | |
3250 | |
2990 | SV * |
3251 | SV * |
2991 | new (char *klass, ...) |
3252 | new (SV *klass, ...) |
2992 | ALIAS: |
3253 | ALIAS: |
2993 | Coro::new = 1 |
3254 | Coro::new = 1 |
2994 | CODE: |
3255 | CODE: |
2995 | { |
3256 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2996 | struct coro *coro; |
3257 | OUTPUT: |
2997 | MAGIC *mg; |
|
|
2998 | HV *hv; |
|
|
2999 | SV *cb; |
|
|
3000 | int i; |
|
|
3001 | |
|
|
3002 | if (items > 1) |
|
|
3003 | { |
|
|
3004 | cb = s_get_cv_croak (ST (1)); |
|
|
3005 | |
|
|
3006 | if (!ix) |
|
|
3007 | { |
|
|
3008 | if (CvISXSUB (cb)) |
|
|
3009 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3010 | |
|
|
3011 | if (!CvROOT (cb)) |
|
|
3012 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3013 | } |
|
|
3014 | } |
|
|
3015 | |
|
|
3016 | Newz (0, coro, 1, struct coro); |
|
|
3017 | coro->args = newAV (); |
|
|
3018 | coro->flags = CF_NEW; |
|
|
3019 | |
|
|
3020 | if (coro_first) coro_first->prev = coro; |
|
|
3021 | coro->next = coro_first; |
|
|
3022 | coro_first = coro; |
|
|
3023 | |
|
|
3024 | coro->hv = hv = newHV (); |
|
|
3025 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3026 | mg->mg_flags |= MGf_DUP; |
|
|
3027 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
3028 | |
|
|
3029 | if (items > 1) |
|
|
3030 | { |
|
|
3031 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
3032 | |
|
|
3033 | if (ix) |
|
|
3034 | { |
|
|
3035 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3036 | cb = (SV *)cv_coro_run; |
|
|
3037 | } |
|
|
3038 | |
|
|
3039 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3040 | |
|
|
3041 | for (i = 2; i < items; i++) |
|
|
3042 | av_push (coro->args, newSVsv (ST (i))); |
|
|
3043 | } |
|
|
3044 | } |
|
|
3045 | OUTPUT: |
|
|
3046 | RETVAL |
3258 | RETVAL |
3047 | |
3259 | |
3048 | void |
3260 | void |
3049 | transfer (...) |
3261 | transfer (...) |
3050 | PROTOTYPE: $$ |
3262 | PROTOTYPE: $$ |
3051 | CODE: |
3263 | CODE: |
3052 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3264 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3053 | |
|
|
3054 | bool |
|
|
3055 | _destroy (SV *coro_sv) |
|
|
3056 | CODE: |
|
|
3057 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
3058 | OUTPUT: |
|
|
3059 | RETVAL |
|
|
3060 | |
3265 | |
3061 | void |
3266 | void |
3062 | _exit (int code) |
3267 | _exit (int code) |
3063 | PROTOTYPE: $ |
3268 | PROTOTYPE: $ |
3064 | CODE: |
3269 | CODE: |
… | |
… | |
3140 | CODE: |
3345 | CODE: |
3141 | { |
3346 | { |
3142 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3347 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3143 | { |
3348 | { |
3144 | struct coro *current = SvSTATE_current; |
3349 | struct coro *current = SvSTATE_current; |
|
|
3350 | struct CoroSLF slf_save; |
3145 | |
3351 | |
3146 | if (current != coro) |
3352 | if (current != coro) |
3147 | { |
3353 | { |
3148 | PUTBACK; |
3354 | PUTBACK; |
3149 | save_perl (aTHX_ current); |
3355 | save_perl (aTHX_ current); |
3150 | load_perl (aTHX_ coro); |
3356 | load_perl (aTHX_ coro); |
|
|
3357 | /* the coro is most likely in an active SLF call. |
|
|
3358 | * while not strictly required (the code we execute is |
|
|
3359 | * not allowed to call any SLF functions), it's cleaner |
|
|
3360 | * to reinitialise the slf_frame and restore it later. |
|
|
3361 | * This might one day allow us to actually do SLF calls |
|
|
3362 | * from code executed here. |
|
|
3363 | */ |
|
|
3364 | slf_save = slf_frame; |
|
|
3365 | slf_frame.prepare = 0; |
3151 | SPAGAIN; |
3366 | SPAGAIN; |
3152 | } |
3367 | } |
3153 | |
3368 | |
3154 | PUSHSTACK; |
3369 | PUSHSTACK; |
3155 | |
3370 | |
… | |
… | |
3165 | SPAGAIN; |
3380 | SPAGAIN; |
3166 | |
3381 | |
3167 | if (current != coro) |
3382 | if (current != coro) |
3168 | { |
3383 | { |
3169 | PUTBACK; |
3384 | PUTBACK; |
|
|
3385 | slf_frame = slf_save; |
3170 | save_perl (aTHX_ coro); |
3386 | save_perl (aTHX_ coro); |
3171 | load_perl (aTHX_ current); |
3387 | load_perl (aTHX_ current); |
3172 | SPAGAIN; |
3388 | SPAGAIN; |
3173 | } |
3389 | } |
3174 | } |
3390 | } |
… | |
… | |
3187 | RETVAL = boolSV (coro->flags & ix); |
3403 | RETVAL = boolSV (coro->flags & ix); |
3188 | OUTPUT: |
3404 | OUTPUT: |
3189 | RETVAL |
3405 | RETVAL |
3190 | |
3406 | |
3191 | void |
3407 | void |
3192 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3408 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3193 | PROTOTYPE: $;$ |
3409 | PROTOTYPE: $;$ |
3194 | CODE: |
3410 | CODE: |
3195 | { |
3411 | { |
3196 | struct coro *current = SvSTATE_current; |
3412 | struct coro *current = SvSTATE_current; |
3197 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3413 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3198 | SvREFCNT_dec (*throwp); |
3414 | SvREFCNT_dec (*exceptionp); |
3199 | SvGETMAGIC (throw); |
3415 | SvGETMAGIC (exception); |
3200 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3416 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3201 | } |
3417 | } |
3202 | |
3418 | |
3203 | void |
3419 | void |
3204 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3420 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3205 | PROTOTYPE: $;$ |
3421 | PROTOTYPE: $;$ |
… | |
… | |
3260 | |
3476 | |
3261 | void |
3477 | void |
3262 | cancel (Coro::State self) |
3478 | cancel (Coro::State self) |
3263 | CODE: |
3479 | CODE: |
3264 | coro_state_destroy (aTHX_ self); |
3480 | coro_state_destroy (aTHX_ self); |
3265 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3266 | |
|
|
3267 | |
3481 | |
3268 | SV * |
3482 | SV * |
3269 | enable_times (int enabled = enable_times) |
3483 | enable_times (int enabled = enable_times) |
3270 | CODE: |
3484 | CODE: |
3271 | { |
3485 | { |
… | |
… | |
3299 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3513 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3300 | |
3514 | |
3301 | if (expect_false (current == self)) |
3515 | if (expect_false (current == self)) |
3302 | coro_times_sub (SvSTATE (coro_current)); |
3516 | coro_times_sub (SvSTATE (coro_current)); |
3303 | } |
3517 | } |
|
|
3518 | |
|
|
3519 | void |
|
|
3520 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3521 | CODE: |
|
|
3522 | { |
|
|
3523 | struct coro *current = SvSTATE_current; |
|
|
3524 | |
|
|
3525 | if (current == coro) |
|
|
3526 | SWAP_SVS (current); |
|
|
3527 | |
|
|
3528 | if (!coro->swap_sv) |
|
|
3529 | coro->swap_sv = newAV (); |
|
|
3530 | |
|
|
3531 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3532 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3533 | |
|
|
3534 | if (current == coro) |
|
|
3535 | SWAP_SVS (current); |
|
|
3536 | } |
|
|
3537 | |
3304 | |
3538 | |
3305 | MODULE = Coro::State PACKAGE = Coro |
3539 | MODULE = Coro::State PACKAGE = Coro |
3306 | |
3540 | |
3307 | BOOT: |
3541 | BOOT: |
3308 | { |
3542 | { |
… | |
… | |
3317 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3551 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3318 | |
3552 | |
3319 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3553 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3320 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3554 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3321 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3555 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3322 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3556 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3323 | |
3557 | |
3324 | coro_stash = gv_stashpv ("Coro", TRUE); |
3558 | coro_stash = gv_stashpv ("Coro", TRUE); |
3325 | |
3559 | |
3326 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3560 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3327 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3561 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3328 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3562 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3346 | sv_setiv (sv, (IV)&coroapi); |
3580 | sv_setiv (sv, (IV)&coroapi); |
3347 | SvREADONLY_on (sv); |
3581 | SvREADONLY_on (sv); |
3348 | } |
3582 | } |
3349 | } |
3583 | } |
3350 | |
3584 | |
|
|
3585 | SV * |
|
|
3586 | async (...) |
|
|
3587 | PROTOTYPE: &@ |
|
|
3588 | CODE: |
|
|
3589 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3590 | api_ready (aTHX_ RETVAL); |
|
|
3591 | OUTPUT: |
|
|
3592 | RETVAL |
|
|
3593 | |
|
|
3594 | void |
|
|
3595 | _destroy (Coro::State coro) |
|
|
3596 | CODE: |
|
|
3597 | /* used by the manager thread */ |
|
|
3598 | coro_state_destroy (aTHX_ coro); |
|
|
3599 | coro_call_on_destroy (aTHX_ coro); |
|
|
3600 | |
3351 | void |
3601 | void |
3352 | terminate (...) |
3602 | terminate (...) |
3353 | CODE: |
3603 | CODE: |
3354 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3604 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3605 | |
|
|
3606 | void |
|
|
3607 | cancel (...) |
|
|
3608 | CODE: |
|
|
3609 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
3355 | |
3610 | |
3356 | void |
3611 | void |
3357 | schedule (...) |
3612 | schedule (...) |
3358 | CODE: |
3613 | CODE: |
3359 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3614 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
… | |
… | |
3393 | SvGETMAGIC (hook); |
3648 | SvGETMAGIC (hook); |
3394 | if (SvOK (hook)) |
3649 | if (SvOK (hook)) |
3395 | { |
3650 | { |
3396 | coro_readyhook = newSVsv (hook); |
3651 | coro_readyhook = newSVsv (hook); |
3397 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
3652 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
3398 | CORO_READYHOOK (); |
|
|
3399 | } |
3653 | } |
3400 | else |
3654 | else |
3401 | { |
3655 | { |
3402 | coro_readyhook = 0; |
3656 | coro_readyhook = 0; |
3403 | CORO_READYHOOK = 0; |
3657 | CORO_READYHOOK = 0; |
… | |
… | |
3473 | for (i = 1; i < items; ++i) |
3727 | for (i = 1; i < items; ++i) |
3474 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3728 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3475 | |
3729 | |
3476 | if ((SV *)hv == &PL_sv_undef) |
3730 | if ((SV *)hv == &PL_sv_undef) |
3477 | { |
3731 | { |
3478 | PUSHMARK (SP); |
3732 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3479 | EXTEND (SP, 2); |
|
|
3480 | PUSHs (sv_Coro); |
|
|
3481 | PUSHs ((SV *)cv_pool_handler); |
|
|
3482 | PUTBACK; |
|
|
3483 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3484 | SPAGAIN; |
|
|
3485 | |
|
|
3486 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
3733 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
3734 | SvREFCNT_dec (sv); |
3487 | } |
3735 | } |
3488 | |
3736 | |
3489 | { |
3737 | { |
3490 | struct coro *coro = SvSTATE_hv (hv); |
3738 | struct coro *coro = SvSTATE_hv (hv); |
3491 | |
3739 | |
… | |
… | |
3763 | { |
4011 | { |
3764 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4012 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
3765 | coro_old_pp_sselect = 0; |
4013 | coro_old_pp_sselect = 0; |
3766 | } |
4014 | } |
3767 | |
4015 | |
3768 | |
|
|