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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 |
… | |
… | |
116 | static void (*u2time)(pTHX_ UV ret[2]); |
126 | static void (*u2time)(pTHX_ UV ret[2]); |
117 | |
127 | |
118 | /* we hijack an hopefully unused CV flag for our purposes */ |
128 | /* we hijack an hopefully unused CV flag for our purposes */ |
119 | #define CVf_SLF 0x4000 |
129 | #define CVf_SLF 0x4000 |
120 | static OP *pp_slf (pTHX); |
130 | static OP *pp_slf (pTHX); |
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131 | static void slf_destroy (pTHX_ struct coro *coro); |
121 | |
132 | |
122 | static U32 cctx_gen; |
133 | static U32 cctx_gen; |
123 | static size_t cctx_stacksize = CORO_STACKSIZE; |
134 | static size_t cctx_stacksize = CORO_STACKSIZE; |
124 | static struct CoroAPI coroapi; |
135 | static struct CoroAPI coroapi; |
125 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
136 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
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186 | int valgrind_id; |
197 | int valgrind_id; |
187 | #endif |
198 | #endif |
188 | unsigned char flags; |
199 | unsigned char flags; |
189 | } coro_cctx; |
200 | } coro_cctx; |
190 | |
201 | |
191 | coro_cctx *cctx_current; /* the currently running cctx */ |
202 | static coro_cctx *cctx_current; /* the currently running cctx */ |
192 | |
203 | |
193 | /*****************************************************************************/ |
204 | /*****************************************************************************/ |
194 | |
205 | |
195 | enum { |
206 | enum { |
196 | CF_RUNNING = 0x0001, /* coroutine is running */ |
207 | CF_RUNNING = 0x0001, /* coroutine is running */ |
197 | CF_READY = 0x0002, /* coroutine is ready */ |
208 | CF_READY = 0x0002, /* coroutine is ready */ |
198 | CF_NEW = 0x0004, /* has never been switched to */ |
209 | CF_NEW = 0x0004, /* has never been switched to */ |
199 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
210 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
200 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
211 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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212 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
201 | }; |
213 | }; |
202 | |
214 | |
203 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
215 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
204 | typedef struct |
216 | typedef struct |
205 | { |
217 | { |
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211 | #define VAR(name,type) type name; |
223 | #define VAR(name,type) type name; |
212 | # include "state.h" |
224 | # include "state.h" |
213 | #undef VAR |
225 | #undef VAR |
214 | } perl_slots; |
226 | } perl_slots; |
215 | |
227 | |
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228 | // how many context stack entries do we need for perl_slots |
216 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
229 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
217 | |
230 | |
218 | /* this is a structure representing a perl-level coroutine */ |
231 | /* this is a structure representing a perl-level coroutine */ |
219 | struct coro { |
232 | struct coro { |
220 | /* the C coroutine allocated to this perl coroutine, if any */ |
233 | /* the C coroutine allocated to this perl coroutine, if any */ |
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231 | CV *startcv; /* the CV to execute */ |
244 | CV *startcv; /* the CV to execute */ |
232 | AV *args; /* data associated with this coroutine (initial args) */ |
245 | AV *args; /* data associated with this coroutine (initial args) */ |
233 | int refcnt; /* coroutines are refcounted, yes */ |
246 | int refcnt; /* coroutines are refcounted, yes */ |
234 | int flags; /* CF_ flags */ |
247 | int flags; /* CF_ flags */ |
235 | HV *hv; /* the perl hash associated with this coro, if any */ |
248 | HV *hv; /* the perl hash associated with this coro, if any */ |
236 | void (*on_destroy)(pTHX_ struct coro *coro); |
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237 | |
249 | |
238 | /* statistics */ |
250 | /* statistics */ |
239 | int usecount; /* number of transfers to this coro */ |
251 | int usecount; /* number of transfers to this coro */ |
240 | |
252 | |
241 | /* coro process data */ |
253 | /* coro process data */ |
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250 | |
262 | |
251 | /* on_enter/on_leave */ |
263 | /* on_enter/on_leave */ |
252 | AV *on_enter; |
264 | AV *on_enter; |
253 | AV *on_leave; |
265 | AV *on_leave; |
254 | |
266 | |
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267 | /* swap_sv */ |
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268 | AV *swap_sv; |
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269 | |
255 | /* times */ |
270 | /* times */ |
256 | coro_ts t_cpu, t_real; |
271 | coro_ts t_cpu, t_real; |
257 | |
272 | |
258 | /* linked list */ |
273 | /* linked list */ |
259 | struct coro *next, *prev; |
274 | struct coro *next, *prev; |
… | |
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262 | typedef struct coro *Coro__State; |
277 | typedef struct coro *Coro__State; |
263 | typedef struct coro *Coro__State_or_hashref; |
278 | typedef struct coro *Coro__State_or_hashref; |
264 | |
279 | |
265 | /* the following variables are effectively part of the perl context */ |
280 | /* the following variables are effectively part of the perl context */ |
266 | /* and get copied between struct coro and these variables */ |
281 | /* and get copied between struct coro and these variables */ |
267 | /* the mainr easonw e don't support windows process emulation */ |
282 | /* the main reason we don't support windows process emulation */ |
268 | static struct CoroSLF slf_frame; /* the current slf frame */ |
283 | static struct CoroSLF slf_frame; /* the current slf frame */ |
269 | |
284 | |
270 | /** Coro ********************************************************************/ |
285 | /** Coro ********************************************************************/ |
271 | |
286 | |
272 | #define CORO_PRIO_MAX 3 |
287 | #define CORO_PRIO_MAX 3 |
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278 | |
293 | |
279 | /* for Coro.pm */ |
294 | /* for Coro.pm */ |
280 | static SV *coro_current; |
295 | static SV *coro_current; |
281 | static SV *coro_readyhook; |
296 | static SV *coro_readyhook; |
282 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
297 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
283 | static CV *cv_coro_run, *cv_coro_terminate; |
298 | static CV *cv_coro_run; |
284 | static struct coro *coro_first; |
299 | static struct coro *coro_first; |
285 | #define coro_nready coroapi.nready |
300 | #define coro_nready coroapi.nready |
286 | |
301 | |
287 | /** Coro::Select ************************************************************/ |
302 | /** Coro::Select ************************************************************/ |
288 | |
303 | |
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301 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
316 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
302 | PL_op->op_flags |= OPf_STACKED; |
317 | PL_op->op_flags |= OPf_STACKED; |
303 | PL_op->op_private = 0; |
318 | PL_op->op_private = 0; |
304 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
319 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
305 | } |
320 | } |
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321 | |
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322 | /** time stuff **************************************************************/ |
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323 | |
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324 | #ifdef HAS_GETTIMEOFDAY |
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325 | |
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326 | static void |
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327 | coro_u2time (pTHX_ UV ret[2]) |
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328 | { |
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329 | struct timeval tv; |
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330 | gettimeofday (&tv, 0); |
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331 | |
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332 | ret [0] = tv.tv_sec; |
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333 | ret [1] = tv.tv_usec; |
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334 | } |
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335 | |
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336 | static double |
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337 | coro_nvtime () |
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338 | { |
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339 | struct timeval tv; |
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340 | gettimeofday (&tv, 0); |
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341 | |
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342 | return tv.tv_sec + tv.tv_usec * 1e-6; |
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343 | } |
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344 | |
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345 | static void |
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346 | time_init (pTHX) |
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347 | { |
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348 | nvtime = coro_nvtime; |
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349 | u2time = coro_u2time; |
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350 | } |
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351 | |
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352 | #else |
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353 | |
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354 | static void |
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355 | time_init (pTHX) |
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356 | { |
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357 | SV **svp; |
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358 | |
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359 | require_pv ("Time/HiRes.pm"); |
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360 | |
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361 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
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362 | |
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363 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
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364 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
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365 | |
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366 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
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367 | |
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368 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
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369 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
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370 | } |
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371 | |
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372 | #endif |
306 | |
373 | |
307 | /** lowlevel stuff **********************************************************/ |
374 | /** lowlevel stuff **********************************************************/ |
308 | |
375 | |
309 | static SV * |
376 | static SV * |
310 | coro_get_sv (pTHX_ const char *name, int create) |
377 | coro_get_sv (pTHX_ const char *name, int create) |
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550 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
617 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
551 | } |
618 | } |
552 | |
619 | |
553 | /** load & save, init *******************************************************/ |
620 | /** load & save, init *******************************************************/ |
554 | |
621 | |
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622 | /* swap sv heads, at least logically */ |
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623 | static void |
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624 | swap_svs (pTHX_ Coro__State c) |
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625 | { |
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626 | int i; |
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627 | |
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628 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
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629 | { |
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630 | SV *a = AvARRAY (c->swap_sv)[i++]; |
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631 | SV *b = AvARRAY (c->swap_sv)[i++]; |
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632 | |
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633 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
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634 | SV tmp; |
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635 | |
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636 | /* swap sv_any */ |
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637 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
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638 | |
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639 | /* swap sv_flags */ |
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640 | SvFLAGS (&tmp) = SvFLAGS (a); |
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641 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
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642 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
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643 | |
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644 | #if PERL_VERSION_ATLEAST (5,10,0) |
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645 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
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646 | * much faster, so no quarrels here. alternatively, we could |
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647 | * sv_upgrade to avoid this. |
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648 | */ |
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649 | { |
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650 | /* swap sv_u */ |
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651 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
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652 | |
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653 | /* if SvANY points to the head, we need to adjust the pointers, |
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654 | * as the pointer for a still points to b, and maybe vice versa. |
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655 | */ |
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656 | #define svany_in_head(type) \ |
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657 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
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658 | |
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659 | if (svany_in_head (SvTYPE (a))) |
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660 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
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661 | |
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662 | if (svany_in_head (SvTYPE (b))) |
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663 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
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664 | } |
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665 | #endif |
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666 | } |
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667 | } |
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668 | |
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669 | #define SWAP_SVS(coro) \ |
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670 | if (expect_false ((coro)->swap_sv)) \ |
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671 | swap_svs (aTHX_ (coro)) |
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672 | |
555 | static void |
673 | static void |
556 | on_enterleave_call (pTHX_ SV *cb); |
674 | on_enterleave_call (pTHX_ SV *cb); |
557 | |
675 | |
558 | static void |
676 | static void |
559 | load_perl (pTHX_ Coro__State c) |
677 | load_perl (pTHX_ Coro__State c) |
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605 | int i; |
723 | int i; |
606 | |
724 | |
607 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
725 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
608 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
726 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
609 | } |
727 | } |
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728 | |
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729 | SWAP_SVS (c); |
610 | } |
730 | } |
611 | |
731 | |
612 | static void |
732 | static void |
613 | save_perl (pTHX_ Coro__State c) |
733 | save_perl (pTHX_ Coro__State c) |
614 | { |
734 | { |
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735 | SWAP_SVS (c); |
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736 | |
615 | if (expect_false (c->on_leave)) |
737 | if (expect_false (c->on_leave)) |
616 | { |
738 | { |
617 | int i; |
739 | int i; |
618 | |
740 | |
619 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
741 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
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677 | |
799 | |
678 | PUTBACK; |
800 | PUTBACK; |
679 | } |
801 | } |
680 | |
802 | |
681 | /* allocate some space on the context stack for our purposes */ |
803 | /* allocate some space on the context stack for our purposes */ |
682 | /* we manually unroll here, as usually 2 slots is enough */ |
804 | if (expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
683 | if (SLOT_COUNT >= 1) CXINC; |
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684 | if (SLOT_COUNT >= 2) CXINC; |
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685 | if (SLOT_COUNT >= 3) CXINC; |
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686 | { |
805 | { |
687 | unsigned int i; |
806 | unsigned int i; |
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807 | |
688 | for (i = 3; i < SLOT_COUNT; ++i) |
808 | for (i = 0; i < SLOT_COUNT; ++i) |
689 | CXINC; |
809 | CXINC; |
690 | } |
810 | |
691 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
811 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
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812 | } |
692 | |
813 | |
693 | c->mainstack = PL_mainstack; |
814 | c->mainstack = PL_mainstack; |
694 | |
815 | |
695 | { |
816 | { |
696 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
817 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
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717 | # define coro_init_stacks(thx) init_stacks () |
838 | # define coro_init_stacks(thx) init_stacks () |
718 | #else |
839 | #else |
719 | static void |
840 | static void |
720 | coro_init_stacks (pTHX) |
841 | coro_init_stacks (pTHX) |
721 | { |
842 | { |
722 | PL_curstackinfo = new_stackinfo(32, 8); |
843 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
723 | PL_curstackinfo->si_type = PERLSI_MAIN; |
844 | PL_curstackinfo->si_type = PERLSI_MAIN; |
724 | PL_curstack = PL_curstackinfo->si_stack; |
845 | PL_curstack = PL_curstackinfo->si_stack; |
725 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
846 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
726 | |
847 | |
727 | PL_stack_base = AvARRAY(PL_curstack); |
848 | PL_stack_base = AvARRAY(PL_curstack); |
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… | |
926 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1047 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
927 | { |
1048 | { |
928 | return 1; |
1049 | return 1; |
929 | } |
1050 | } |
930 | |
1051 | |
931 | static UNOP coro_setup_op; |
1052 | static UNOP init_perl_op; |
932 | |
1053 | |
933 | 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 */ |
934 | coro_setup (pTHX_ struct coro *coro) |
1055 | init_perl (pTHX_ struct coro *coro) |
935 | { |
1056 | { |
936 | /* |
1057 | /* |
937 | * emulate part of the perl startup here. |
1058 | * emulate part of the perl startup here. |
938 | */ |
1059 | */ |
939 | coro_init_stacks (aTHX); |
1060 | coro_init_stacks (aTHX); |
… | |
… | |
946 | PL_comppad_name_fill = 0; |
1067 | PL_comppad_name_fill = 0; |
947 | PL_comppad_name_floor = 0; |
1068 | PL_comppad_name_floor = 0; |
948 | PL_curpm = 0; |
1069 | PL_curpm = 0; |
949 | PL_curpad = 0; |
1070 | PL_curpad = 0; |
950 | PL_localizing = 0; |
1071 | PL_localizing = 0; |
951 | PL_dirty = 0; |
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952 | PL_restartop = 0; |
1072 | PL_restartop = 0; |
953 | #if PERL_VERSION_ATLEAST (5,10,0) |
1073 | #if PERL_VERSION_ATLEAST (5,10,0) |
954 | PL_parser = 0; |
1074 | PL_parser = 0; |
955 | #endif |
1075 | #endif |
956 | PL_hints = 0; |
1076 | PL_hints = 0; |
… | |
… | |
988 | */ |
1108 | */ |
989 | 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 */ |
990 | 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 */ |
991 | |
1111 | |
992 | /* 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 */ |
993 | coro_setup_op.op_next = PL_op; |
1113 | init_perl_op.op_next = PL_op; |
994 | coro_setup_op.op_type = OP_ENTERSUB; |
1114 | init_perl_op.op_type = OP_ENTERSUB; |
995 | coro_setup_op.op_ppaddr = pp_slf; |
1115 | init_perl_op.op_ppaddr = pp_slf; |
996 | /* 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 */ |
997 | |
1117 | |
998 | PL_op = (OP *)&coro_setup_op; |
1118 | PL_op = (OP *)&init_perl_op; |
999 | |
1119 | |
1000 | /* copy throw, in case it was set before coro_setup */ |
1120 | /* copy throw, in case it was set before init_perl */ |
1001 | CORO_THROW = coro->except; |
1121 | CORO_THROW = coro->except; |
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1122 | |
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1123 | SWAP_SVS (coro); |
1002 | |
1124 | |
1003 | if (expect_false (enable_times)) |
1125 | if (expect_false (enable_times)) |
1004 | { |
1126 | { |
1005 | coro_times_update (); |
1127 | coro_times_update (); |
1006 | coro_times_sub (coro); |
1128 | coro_times_sub (coro); |
… | |
… | |
1027 | dounwind (-1); |
1149 | dounwind (-1); |
1028 | } |
1150 | } |
1029 | } |
1151 | } |
1030 | |
1152 | |
1031 | static void |
1153 | static void |
1032 | coro_destruct_perl (pTHX_ struct coro *coro) |
1154 | destroy_perl (pTHX_ struct coro *coro) |
1033 | { |
1155 | { |
1034 | SV *svf [9]; |
1156 | SV *svf [9]; |
1035 | |
1157 | |
1036 | { |
1158 | { |
|
|
1159 | SV *old_current = SvRV (coro_current); |
1037 | struct coro *current = SvSTATE_current; |
1160 | struct coro *current = SvSTATE (old_current); |
1038 | |
1161 | |
1039 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1162 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1040 | |
1163 | |
1041 | save_perl (aTHX_ current); |
1164 | save_perl (aTHX_ current); |
|
|
1165 | |
|
|
1166 | /* this will cause transfer_check to croak on block*/ |
|
|
1167 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1168 | |
1042 | load_perl (aTHX_ coro); |
1169 | load_perl (aTHX_ coro); |
1043 | |
1170 | |
1044 | coro_unwind_stacks (aTHX); |
1171 | coro_unwind_stacks (aTHX); |
1045 | coro_destruct_stacks (aTHX); |
1172 | coro_destruct_stacks (aTHX); |
|
|
1173 | |
|
|
1174 | /* restore swapped sv's */ |
|
|
1175 | SWAP_SVS (coro); |
1046 | |
1176 | |
1047 | // now save some sv's to be free'd later |
1177 | // now save some sv's to be free'd later |
1048 | svf [0] = GvSV (PL_defgv); |
1178 | svf [0] = GvSV (PL_defgv); |
1049 | svf [1] = (SV *)GvAV (PL_defgv); |
1179 | svf [1] = (SV *)GvAV (PL_defgv); |
1050 | svf [2] = GvSV (PL_errgv); |
1180 | svf [2] = GvSV (PL_errgv); |
… | |
… | |
1053 | svf [5] = GvSV (irsgv); |
1183 | svf [5] = GvSV (irsgv); |
1054 | svf [6] = (SV *)GvHV (PL_hintgv); |
1184 | svf [6] = (SV *)GvHV (PL_hintgv); |
1055 | svf [7] = PL_diehook; |
1185 | svf [7] = PL_diehook; |
1056 | svf [8] = PL_warnhook; |
1186 | svf [8] = PL_warnhook; |
1057 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1187 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1188 | |
|
|
1189 | SvRV_set (coro_current, old_current); |
1058 | |
1190 | |
1059 | load_perl (aTHX_ current); |
1191 | load_perl (aTHX_ current); |
1060 | } |
1192 | } |
1061 | |
1193 | |
1062 | { |
1194 | { |
… | |
… | |
1372 | cctx_destroy (coro_cctx *cctx) |
1504 | cctx_destroy (coro_cctx *cctx) |
1373 | { |
1505 | { |
1374 | if (!cctx) |
1506 | if (!cctx) |
1375 | return; |
1507 | return; |
1376 | |
1508 | |
1377 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1509 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1378 | |
1510 | |
1379 | --cctx_count; |
1511 | --cctx_count; |
1380 | coro_destroy (&cctx->cctx); |
1512 | coro_destroy (&cctx->cctx); |
1381 | |
1513 | |
1382 | /* coro_transfer creates new, empty cctx's */ |
1514 | /* coro_transfer creates new, empty cctx's */ |
… | |
… | |
1492 | if (expect_false (next->flags & CF_NEW)) |
1624 | if (expect_false (next->flags & CF_NEW)) |
1493 | { |
1625 | { |
1494 | /* need to start coroutine */ |
1626 | /* need to start coroutine */ |
1495 | next->flags &= ~CF_NEW; |
1627 | next->flags &= ~CF_NEW; |
1496 | /* setup coroutine call */ |
1628 | /* setup coroutine call */ |
1497 | coro_setup (aTHX_ next); |
1629 | init_perl (aTHX_ next); |
1498 | } |
1630 | } |
1499 | else |
1631 | else |
1500 | load_perl (aTHX_ next); |
1632 | load_perl (aTHX_ next); |
1501 | |
1633 | |
1502 | /* possibly untie and reuse the cctx */ |
1634 | /* possibly untie and reuse the cctx */ |
… | |
… | |
1541 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1673 | #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) |
1674 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1543 | |
1675 | |
1544 | /** high level stuff ********************************************************/ |
1676 | /** high level stuff ********************************************************/ |
1545 | |
1677 | |
1546 | static int |
1678 | static void |
1547 | coro_state_destroy (pTHX_ struct coro *coro) |
1679 | coro_state_destroy (pTHX_ struct coro *coro) |
1548 | { |
1680 | { |
1549 | if (coro->flags & CF_DESTROYED) |
1681 | if (coro->flags & CF_DESTROYED) |
1550 | return 0; |
1682 | return; |
1551 | |
1683 | |
1552 | if (coro->on_destroy && !PL_dirty) |
|
|
1553 | coro->on_destroy (aTHX_ coro); |
1684 | slf_destroy (aTHX_ coro); |
1554 | |
1685 | |
1555 | coro->flags |= CF_DESTROYED; |
1686 | coro->flags |= CF_DESTROYED; |
1556 | |
1687 | |
1557 | if (coro->flags & CF_READY) |
1688 | if (coro->flags & CF_READY) |
1558 | { |
1689 | { |
… | |
… | |
1565 | |
1696 | |
1566 | if (coro->mainstack |
1697 | if (coro->mainstack |
1567 | && coro->mainstack != main_mainstack |
1698 | && coro->mainstack != main_mainstack |
1568 | && coro->slot |
1699 | && coro->slot |
1569 | && !PL_dirty) |
1700 | && !PL_dirty) |
1570 | coro_destruct_perl (aTHX_ coro); |
1701 | destroy_perl (aTHX_ coro); |
|
|
1702 | |
|
|
1703 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1704 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1705 | if (coro == coro_first) coro_first = coro->next; |
1571 | |
1706 | |
1572 | cctx_destroy (coro->cctx); |
1707 | cctx_destroy (coro->cctx); |
1573 | SvREFCNT_dec (coro->startcv); |
1708 | SvREFCNT_dec (coro->startcv); |
1574 | SvREFCNT_dec (coro->args); |
1709 | SvREFCNT_dec (coro->args); |
|
|
1710 | SvREFCNT_dec (coro->swap_sv); |
1575 | SvREFCNT_dec (CORO_THROW); |
1711 | 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 | } |
1712 | } |
1583 | |
1713 | |
1584 | static int |
1714 | static int |
1585 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1715 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1586 | { |
1716 | { |
… | |
… | |
1754 | { |
1884 | { |
1755 | /* nothing to schedule: call the idle handler */ |
1885 | /* nothing to schedule: call the idle handler */ |
1756 | if (SvROK (sv_idle) |
1886 | if (SvROK (sv_idle) |
1757 | && SvOBJECT (SvRV (sv_idle))) |
1887 | && SvOBJECT (SvRV (sv_idle))) |
1758 | { |
1888 | { |
|
|
1889 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1890 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1891 | |
1759 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1892 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1760 | api_ready (aTHX_ SvRV (sv_idle)); |
1893 | api_ready (aTHX_ SvRV (sv_idle)); |
1761 | --coro_nready; |
1894 | --coro_nready; |
1762 | } |
1895 | } |
1763 | else |
1896 | else |
1764 | { |
1897 | { |
|
|
1898 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1765 | dSP; |
1899 | dSP; |
1766 | |
1900 | |
1767 | ENTER; |
1901 | ENTER; |
1768 | SAVETMPS; |
1902 | SAVETMPS; |
1769 | |
1903 | |
… | |
… | |
1879 | |
2013 | |
1880 | static void |
2014 | static void |
1881 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2015 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1882 | { |
2016 | { |
1883 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2017 | 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 | |
2018 | |
1886 | if (on_destroyp) |
2019 | if (on_destroyp) |
1887 | { |
2020 | { |
1888 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
2021 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
2022 | AV *on_destroy = sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*on_destroyp))); |
|
|
2023 | AV *status = statusp ? sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*statusp))) : 0; |
1889 | |
2024 | |
1890 | while (AvFILLp (on_destroy) >= 0) |
2025 | while (AvFILLp (on_destroy) >= 0) |
1891 | { |
2026 | { |
1892 | dSP; /* don't disturb outer sp */ |
2027 | dSP; /* don't disturb outer sp */ |
1893 | SV *cb = av_pop (on_destroy); |
2028 | SV *cb = av_pop (on_destroy); |
… | |
… | |
1895 | PUSHMARK (SP); |
2030 | PUSHMARK (SP); |
1896 | |
2031 | |
1897 | if (statusp) |
2032 | if (statusp) |
1898 | { |
2033 | { |
1899 | int i; |
2034 | int i; |
1900 | AV *status = (AV *)SvRV (*statusp); |
|
|
1901 | EXTEND (SP, AvFILLp (status) + 1); |
2035 | EXTEND (SP, AvFILLp (status) + 1); |
1902 | |
2036 | |
1903 | for (i = 0; i <= AvFILLp (status); ++i) |
2037 | for (i = 0; i <= AvFILLp (status); ++i) |
1904 | PUSHs (AvARRAY (status)[i]); |
2038 | PUSHs (AvARRAY (status)[i]); |
1905 | } |
2039 | } |
… | |
… | |
1909 | } |
2043 | } |
1910 | } |
2044 | } |
1911 | } |
2045 | } |
1912 | |
2046 | |
1913 | static void |
2047 | static void |
1914 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2048 | coro_set_status (pTHX_ HV *coro_hv, SV **arg, int items) |
1915 | { |
2049 | { |
1916 | int i; |
|
|
1917 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1918 | AV *av = newAV (); |
2050 | AV *av = newAV (); |
1919 | |
2051 | |
1920 | /* items are actually not so common, so optimise for this case */ |
2052 | /* items are actually not so common, so optimise for this case */ |
1921 | if (items) |
2053 | if (items) |
1922 | { |
2054 | { |
|
|
2055 | int i; |
|
|
2056 | |
1923 | av_extend (av, items - 1); |
2057 | av_extend (av, items - 1); |
1924 | |
2058 | |
1925 | for (i = 0; i < items; ++i) |
2059 | for (i = 0; i < items; ++i) |
1926 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2060 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
1927 | } |
2061 | } |
1928 | |
2062 | |
1929 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2063 | hv_store (coro_hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
2064 | } |
1930 | |
2065 | |
|
|
2066 | static void |
|
|
2067 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2068 | { |
1931 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2069 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
1932 | api_ready (aTHX_ sv_manager); |
2070 | api_ready (aTHX_ sv_manager); |
1933 | |
2071 | |
1934 | frame->prepare = prepare_schedule; |
2072 | frame->prepare = prepare_schedule; |
1935 | frame->check = slf_check_repeat; |
2073 | frame->check = slf_check_repeat; |
1936 | |
2074 | |
1937 | /* as a minor optimisation, we could unwind all stacks here */ |
2075 | /* as a minor optimisation, we could unwind all stacks here */ |
1938 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2076 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
1939 | /*coro_unwind_stacks (aTHX);*/ |
2077 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2078 | } |
|
|
2079 | |
|
|
2080 | static void |
|
|
2081 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2082 | { |
|
|
2083 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2084 | |
|
|
2085 | coro_set_status (aTHX_ coro_hv, arg, items); |
|
|
2086 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2087 | } |
|
|
2088 | |
|
|
2089 | static void |
|
|
2090 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2091 | { |
|
|
2092 | HV *coro_hv; |
|
|
2093 | struct coro *coro; |
|
|
2094 | |
|
|
2095 | if (items <= 0) |
|
|
2096 | croak ("Coro::cancel called without coro object,"); |
|
|
2097 | |
|
|
2098 | coro = SvSTATE (arg [0]); |
|
|
2099 | coro_hv = coro->hv; |
|
|
2100 | |
|
|
2101 | coro_set_status (aTHX_ coro_hv, arg + 1, items - 1); |
|
|
2102 | |
|
|
2103 | if (expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2104 | { |
|
|
2105 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2106 | coro->slf_frame.data = (void *)coro; |
|
|
2107 | |
|
|
2108 | frame->prepare = prepare_nop; |
|
|
2109 | frame->check = slf_check_nop; |
|
|
2110 | } |
|
|
2111 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2112 | { |
|
|
2113 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2114 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2115 | } |
|
|
2116 | else |
|
|
2117 | { |
|
|
2118 | struct coro *self = SvSTATE_current; |
|
|
2119 | |
|
|
2120 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2121 | * unfortunately, this requires some magic trickery, as |
|
|
2122 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2123 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2124 | * besides, I can't get the slow-but-safe version working... |
|
|
2125 | */ |
|
|
2126 | slf_frame.data = 0; |
|
|
2127 | self->flags |= CF_NOCANCEL; |
|
|
2128 | |
|
|
2129 | coro_state_destroy (aTHX_ coro); |
|
|
2130 | coro_call_on_destroy (aTHX_ coro); |
|
|
2131 | |
|
|
2132 | self->flags &= ~CF_NOCANCEL; |
|
|
2133 | |
|
|
2134 | if (slf_frame.data) |
|
|
2135 | { |
|
|
2136 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2137 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2138 | } |
|
|
2139 | else |
|
|
2140 | { |
|
|
2141 | frame->prepare = prepare_nop; |
|
|
2142 | frame->check = slf_check_nop; |
|
|
2143 | } |
|
|
2144 | } |
|
|
2145 | } |
|
|
2146 | |
|
|
2147 | static int |
|
|
2148 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2149 | { |
|
|
2150 | frame->prepare = 0; |
|
|
2151 | coro_unwind_stacks (aTHX); |
|
|
2152 | |
|
|
2153 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2154 | |
|
|
2155 | return 1; |
|
|
2156 | } |
|
|
2157 | |
|
|
2158 | static int |
|
|
2159 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2160 | { |
|
|
2161 | if (coro->cctx) |
|
|
2162 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2163 | |
|
|
2164 | if (coro->flags & CF_NEW) |
|
|
2165 | { |
|
|
2166 | coro_set_status (aTHX_ coro->hv, arg, items); |
|
|
2167 | coro_state_destroy (aTHX_ coro); |
|
|
2168 | coro_call_on_destroy (aTHX_ coro); |
|
|
2169 | } |
|
|
2170 | else |
|
|
2171 | { |
|
|
2172 | if (!coro->slf_frame.prepare) |
|
|
2173 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2174 | |
|
|
2175 | slf_destroy (aTHX_ coro); |
|
|
2176 | |
|
|
2177 | coro_set_status (aTHX_ coro->hv, arg, items); |
|
|
2178 | coro->slf_frame.prepare = prepare_nop; |
|
|
2179 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2180 | |
|
|
2181 | api_ready (aTHX_ coro->hv); |
|
|
2182 | } |
|
|
2183 | |
|
|
2184 | return 1; |
1940 | } |
2185 | } |
1941 | |
2186 | |
1942 | /*****************************************************************************/ |
2187 | /*****************************************************************************/ |
1943 | /* async pool handler */ |
2188 | /* async pool handler */ |
1944 | |
2189 | |
… | |
… | |
1984 | coro->saved_deffh = 0; |
2229 | coro->saved_deffh = 0; |
1985 | |
2230 | |
1986 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2231 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1987 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2232 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1988 | { |
2233 | { |
1989 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2234 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
1990 | coro->invoke_av = newAV (); |
2235 | return; |
1991 | |
|
|
1992 | frame->prepare = prepare_nop; |
|
|
1993 | } |
2236 | } |
1994 | else |
2237 | else |
1995 | { |
2238 | { |
1996 | av_clear (GvAV (PL_defgv)); |
2239 | av_clear (GvAV (PL_defgv)); |
1997 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2240 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
2220 | static void |
2463 | static void |
2221 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2464 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2222 | { |
2465 | { |
2223 | frame->prepare = prepare_cede_notself; |
2466 | frame->prepare = prepare_cede_notself; |
2224 | frame->check = slf_check_nop; |
2467 | frame->check = slf_check_nop; |
|
|
2468 | } |
|
|
2469 | |
|
|
2470 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2471 | static void |
|
|
2472 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2473 | { |
|
|
2474 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2475 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2476 | coro->slf_frame.destroy (aTHX_ coro); |
|
|
2477 | |
|
|
2478 | /* |
|
|
2479 | * The on_destroy above most likely is from an SLF call. |
|
|
2480 | * Since by definition the SLF call will not finish when we destroy |
|
|
2481 | * the coro, we will have to force-finish it here, otherwise |
|
|
2482 | * cleanup functions cannot call SLF functions. |
|
|
2483 | */ |
|
|
2484 | coro->slf_frame.prepare = 0; |
2225 | } |
2485 | } |
2226 | |
2486 | |
2227 | /* |
2487 | /* |
2228 | * these not obviously related functions are all rolled into one |
2488 | * these not obviously related functions are all rolled into one |
2229 | * function to increase chances that they all will call transfer with the same |
2489 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2348 | if (PL_op->op_flags & OPf_STACKED) |
2608 | if (PL_op->op_flags & OPf_STACKED) |
2349 | { |
2609 | { |
2350 | if (items > slf_arga) |
2610 | if (items > slf_arga) |
2351 | { |
2611 | { |
2352 | slf_arga = items; |
2612 | slf_arga = items; |
2353 | free (slf_argv); |
2613 | Safefree (slf_argv); |
2354 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2614 | New (0, slf_argv, slf_arga, SV *); |
2355 | } |
2615 | } |
2356 | |
2616 | |
2357 | slf_argc = items; |
2617 | slf_argc = items; |
2358 | |
2618 | |
2359 | for (i = 0; i < items; ++i) |
2619 | for (i = 0; i < items; ++i) |
… | |
… | |
2555 | SvREFCNT_dec (cb); |
2815 | SvREFCNT_dec (cb); |
2556 | } |
2816 | } |
2557 | } |
2817 | } |
2558 | |
2818 | |
2559 | static void |
2819 | static void |
2560 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2820 | coro_semaphore_destroy (pTHX_ struct coro *coro) |
2561 | { |
2821 | { |
2562 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2822 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2563 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2823 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2564 | } |
2824 | } |
2565 | |
2825 | |
… | |
… | |
2572 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2832 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2573 | if (CORO_THROW) |
2833 | if (CORO_THROW) |
2574 | return 0; |
2834 | return 0; |
2575 | else if (SvIVX (count_sv) > 0) |
2835 | else if (SvIVX (count_sv) > 0) |
2576 | { |
2836 | { |
2577 | SvSTATE_current->on_destroy = 0; |
2837 | frame->destroy = 0; |
2578 | |
2838 | |
2579 | if (acquire) |
2839 | if (acquire) |
2580 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2840 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2581 | else |
2841 | else |
2582 | coro_semaphore_adjust (aTHX_ av, 0); |
2842 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2625 | { |
2885 | { |
2626 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2886 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2627 | |
2887 | |
2628 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2888 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2629 | frame->prepare = prepare_schedule; |
2889 | frame->prepare = prepare_schedule; |
2630 | |
|
|
2631 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2890 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2632 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2891 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2633 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2892 | frame->destroy = coro_semaphore_destroy; |
2634 | } |
2893 | } |
2635 | } |
2894 | } |
2636 | |
2895 | |
2637 | static void |
2896 | static void |
2638 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2897 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2720 | { |
2979 | { |
2721 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2980 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2722 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2981 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2723 | |
2982 | |
2724 | if (SvIVX (AvARRAY (av)[0])) |
2983 | if (SvIVX (AvARRAY (av)[0])) |
2725 | coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ |
2984 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
2726 | |
2985 | |
2727 | frame->prepare = prepare_nop; |
2986 | frame->prepare = prepare_nop; |
2728 | frame->check = slf_check_nop; |
2987 | frame->check = slf_check_nop; |
2729 | } |
2988 | } |
2730 | else if (SvIVX (AvARRAY (av)[0])) |
2989 | else if (SvIVX (AvARRAY (av)[0])) |
… | |
… | |
2892 | /* now call the AIO function - we assume our request is uncancelable */ |
3151 | /* now call the AIO function - we assume our request is uncancelable */ |
2893 | PUTBACK; |
3152 | PUTBACK; |
2894 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3153 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2895 | } |
3154 | } |
2896 | |
3155 | |
2897 | /* now that the requets is going, we loop toll we have a result */ |
3156 | /* now that the request is going, we loop till we have a result */ |
2898 | frame->data = (void *)state; |
3157 | frame->data = (void *)state; |
2899 | frame->prepare = prepare_schedule; |
3158 | frame->prepare = prepare_schedule; |
2900 | frame->check = slf_check_aio_req; |
3159 | frame->check = slf_check_aio_req; |
2901 | } |
3160 | } |
2902 | |
3161 | |
… | |
… | |
3033 | coroapi.prepare_nop = prepare_nop; |
3292 | coroapi.prepare_nop = prepare_nop; |
3034 | coroapi.prepare_schedule = prepare_schedule; |
3293 | coroapi.prepare_schedule = prepare_schedule; |
3035 | coroapi.prepare_cede = prepare_cede; |
3294 | coroapi.prepare_cede = prepare_cede; |
3036 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3295 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3037 | |
3296 | |
3038 | { |
3297 | time_init (aTHX); |
3039 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
3040 | |
|
|
3041 | if (!svp) croak ("Time::HiRes is required"); |
|
|
3042 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
3043 | |
|
|
3044 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3045 | |
|
|
3046 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
3047 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
3048 | } |
|
|
3049 | |
3298 | |
3050 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3299 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3051 | } |
3300 | } |
3052 | |
3301 | |
3053 | SV * |
3302 | SV * |
… | |
… | |
3062 | void |
3311 | void |
3063 | transfer (...) |
3312 | transfer (...) |
3064 | PROTOTYPE: $$ |
3313 | PROTOTYPE: $$ |
3065 | CODE: |
3314 | CODE: |
3066 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3315 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3067 | |
|
|
3068 | bool |
|
|
3069 | _destroy (SV *coro_sv) |
|
|
3070 | CODE: |
|
|
3071 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
3072 | OUTPUT: |
|
|
3073 | RETVAL |
|
|
3074 | |
3316 | |
3075 | void |
3317 | void |
3076 | _exit (int code) |
3318 | _exit (int code) |
3077 | PROTOTYPE: $ |
3319 | PROTOTYPE: $ |
3078 | CODE: |
3320 | CODE: |
… | |
… | |
3154 | CODE: |
3396 | CODE: |
3155 | { |
3397 | { |
3156 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3398 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3157 | { |
3399 | { |
3158 | struct coro *current = SvSTATE_current; |
3400 | struct coro *current = SvSTATE_current; |
|
|
3401 | struct CoroSLF slf_save; |
3159 | |
3402 | |
3160 | if (current != coro) |
3403 | if (current != coro) |
3161 | { |
3404 | { |
3162 | PUTBACK; |
3405 | PUTBACK; |
3163 | save_perl (aTHX_ current); |
3406 | save_perl (aTHX_ current); |
3164 | load_perl (aTHX_ coro); |
3407 | load_perl (aTHX_ coro); |
|
|
3408 | /* the coro is most likely in an active SLF call. |
|
|
3409 | * while not strictly required (the code we execute is |
|
|
3410 | * not allowed to call any SLF functions), it's cleaner |
|
|
3411 | * to reinitialise the slf_frame and restore it later. |
|
|
3412 | * This might one day allow us to actually do SLF calls |
|
|
3413 | * from code executed here. |
|
|
3414 | */ |
|
|
3415 | slf_save = slf_frame; |
|
|
3416 | slf_frame.prepare = 0; |
3165 | SPAGAIN; |
3417 | SPAGAIN; |
3166 | } |
3418 | } |
3167 | |
3419 | |
3168 | PUSHSTACK; |
3420 | PUSHSTACK; |
3169 | |
3421 | |
… | |
… | |
3179 | SPAGAIN; |
3431 | SPAGAIN; |
3180 | |
3432 | |
3181 | if (current != coro) |
3433 | if (current != coro) |
3182 | { |
3434 | { |
3183 | PUTBACK; |
3435 | PUTBACK; |
|
|
3436 | slf_frame = slf_save; |
3184 | save_perl (aTHX_ coro); |
3437 | save_perl (aTHX_ coro); |
3185 | load_perl (aTHX_ current); |
3438 | load_perl (aTHX_ current); |
3186 | SPAGAIN; |
3439 | SPAGAIN; |
3187 | } |
3440 | } |
3188 | } |
3441 | } |
… | |
… | |
3201 | RETVAL = boolSV (coro->flags & ix); |
3454 | RETVAL = boolSV (coro->flags & ix); |
3202 | OUTPUT: |
3455 | OUTPUT: |
3203 | RETVAL |
3456 | RETVAL |
3204 | |
3457 | |
3205 | void |
3458 | void |
3206 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3459 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3207 | PROTOTYPE: $;$ |
3460 | PROTOTYPE: $;$ |
3208 | CODE: |
3461 | CODE: |
3209 | { |
3462 | { |
3210 | struct coro *current = SvSTATE_current; |
3463 | struct coro *current = SvSTATE_current; |
3211 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3464 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3212 | SvREFCNT_dec (*throwp); |
3465 | SvREFCNT_dec (*exceptionp); |
3213 | SvGETMAGIC (throw); |
3466 | SvGETMAGIC (exception); |
3214 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3467 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3215 | } |
3468 | } |
3216 | |
3469 | |
3217 | void |
3470 | void |
3218 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3471 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3219 | PROTOTYPE: $;$ |
3472 | PROTOTYPE: $;$ |
… | |
… | |
3274 | |
3527 | |
3275 | void |
3528 | void |
3276 | cancel (Coro::State self) |
3529 | cancel (Coro::State self) |
3277 | CODE: |
3530 | CODE: |
3278 | coro_state_destroy (aTHX_ self); |
3531 | coro_state_destroy (aTHX_ self); |
3279 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3280 | |
|
|
3281 | |
3532 | |
3282 | SV * |
3533 | SV * |
3283 | enable_times (int enabled = enable_times) |
3534 | enable_times (int enabled = enable_times) |
3284 | CODE: |
3535 | CODE: |
3285 | { |
3536 | { |
… | |
… | |
3314 | |
3565 | |
3315 | if (expect_false (current == self)) |
3566 | if (expect_false (current == self)) |
3316 | coro_times_sub (SvSTATE (coro_current)); |
3567 | coro_times_sub (SvSTATE (coro_current)); |
3317 | } |
3568 | } |
3318 | |
3569 | |
|
|
3570 | void |
|
|
3571 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3572 | CODE: |
|
|
3573 | { |
|
|
3574 | struct coro *current = SvSTATE_current; |
|
|
3575 | |
|
|
3576 | if (current == coro) |
|
|
3577 | SWAP_SVS (current); |
|
|
3578 | |
|
|
3579 | if (!coro->swap_sv) |
|
|
3580 | coro->swap_sv = newAV (); |
|
|
3581 | |
|
|
3582 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3583 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3584 | |
|
|
3585 | if (current == coro) |
|
|
3586 | SWAP_SVS (current); |
|
|
3587 | } |
|
|
3588 | |
|
|
3589 | |
3319 | MODULE = Coro::State PACKAGE = Coro |
3590 | MODULE = Coro::State PACKAGE = Coro |
3320 | |
3591 | |
3321 | BOOT: |
3592 | BOOT: |
3322 | { |
3593 | { |
3323 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3594 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3324 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3595 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3325 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3596 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3326 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3327 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3597 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3328 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3598 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3329 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3599 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3330 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3600 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3331 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3601 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
… | |
… | |
3370 | api_ready (aTHX_ RETVAL); |
3640 | api_ready (aTHX_ RETVAL); |
3371 | OUTPUT: |
3641 | OUTPUT: |
3372 | RETVAL |
3642 | RETVAL |
3373 | |
3643 | |
3374 | void |
3644 | void |
|
|
3645 | _destroy (Coro::State coro) |
|
|
3646 | CODE: |
|
|
3647 | /* used by the manager thread */ |
|
|
3648 | coro_state_destroy (aTHX_ coro); |
|
|
3649 | coro_call_on_destroy (aTHX_ coro); |
|
|
3650 | |
|
|
3651 | void |
3375 | terminate (...) |
3652 | terminate (...) |
3376 | CODE: |
3653 | CODE: |
3377 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3654 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3655 | |
|
|
3656 | void |
|
|
3657 | cancel (...) |
|
|
3658 | CODE: |
|
|
3659 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3660 | |
|
|
3661 | int |
|
|
3662 | safe_cancel (Coro::State self, ...) |
|
|
3663 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
3378 | |
3664 | |
3379 | void |
3665 | void |
3380 | schedule (...) |
3666 | schedule (...) |
3381 | CODE: |
3667 | CODE: |
3382 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3668 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
… | |
… | |
3779 | { |
4065 | { |
3780 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4066 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
3781 | coro_old_pp_sselect = 0; |
4067 | coro_old_pp_sselect = 0; |
3782 | } |
4068 | } |
3783 | |
4069 | |
3784 | |
|
|