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Comparing Coro/Coro/State.xs (file contents):
Revision 1.379 by root, Tue Jul 27 14:50:17 2010 UTC vs.
Revision 1.406 by root, Sat Jun 11 13:49:00 2011 UTC

1/* this works around a bug in mingw32 providing a non-working setjmp */
2#define USE_NO_MINGW_SETJMP_TWO_ARGS
3
1#define NDEBUG 1 4#define NDEBUG 1
2 5
3#include "libcoro/coro.c" 6#include "libcoro/coro.c"
4 7
5#define PERL_NO_GET_CONTEXT 8#define PERL_NO_GET_CONTEXT
… …
9#include "perl.h" 12#include "perl.h"
10#include "XSUB.h" 13#include "XSUB.h"
11#include "perliol.h" 14#include "perliol.h"
12 15
13#include "schmorp.h" 16#include "schmorp.h"
17#include "ecb.h"
14 18
19#include <stddef.h>
15#include <stdio.h> 20#include <stdio.h>
16#include <errno.h> 21#include <errno.h>
17#include <assert.h> 22#include <assert.h>
18 23
19#ifndef SVs_PADSTALE 24#ifndef SVs_PADSTALE
20# define SVs_PADSTALE 0 25# define SVs_PADSTALE 0
21#endif 26#endif
22 27
23#ifdef WIN32 28#if defined(_WIN32)
29# undef HAS_GETTIMEOFDAY
24# undef setjmp 30# undef setjmp
25# undef longjmp 31# undef longjmp
26# undef _exit 32# undef _exit
27# define setjmp _setjmp /* deep magic */ 33# define setjmp _setjmp /* deep magic */
28#else 34#else
… …
82# define STACKLEVEL ((void *)&stacklevel) 88# define STACKLEVEL ((void *)&stacklevel)
83#endif 89#endif
84 90
85#define IN_DESTRUCT PL_dirty 91#define IN_DESTRUCT PL_dirty
86 92
87#if __GNUC__ >= 3
88# define attribute(x) __attribute__(x)
89# define expect(expr,value) __builtin_expect ((expr), (value))
90# define INLINE static inline
91#else
92# define attribute(x)
93# define expect(expr,value) (expr)
94# define INLINE static
95#endif
96
97#define expect_false(expr) expect ((expr) != 0, 0)
98#define expect_true(expr) expect ((expr) != 0, 1)
99
100#define NOINLINE attribute ((noinline))
101
102#include "CoroAPI.h" 93#include "CoroAPI.h"
103#define GCoroAPI (&coroapi) /* very sneaky */ 94#define GCoroAPI (&coroapi) /* very sneaky */
104 95
105#ifdef USE_ITHREADS 96#ifdef USE_ITHREADS
106# if CORO_PTHREAD 97# if CORO_PTHREAD
107static void *coro_thx; 98static void *coro_thx;
108# endif 99# endif
109#endif 100#endif
101
102/* used in state.h */
103#define VAR(name,type) VARx(name, PL_ ## name, type)
110 104
111#ifdef __linux 105#ifdef __linux
112# include <time.h> /* for timespec */ 106# include <time.h> /* for timespec */
113# include <syscall.h> /* for SYS_* */ 107# include <syscall.h> /* for SYS_* */
114# ifdef SYS_clock_gettime 108# ifdef SYS_clock_gettime
… …
122static void (*u2time)(pTHX_ UV ret[2]); 116static void (*u2time)(pTHX_ UV ret[2]);
123 117
124/* we hijack an hopefully unused CV flag for our purposes */ 118/* we hijack an hopefully unused CV flag for our purposes */
125#define CVf_SLF 0x4000 119#define CVf_SLF 0x4000
126static OP *pp_slf (pTHX); 120static OP *pp_slf (pTHX);
121static void slf_destroy (pTHX_ struct coro *coro);
127 122
128static U32 cctx_gen; 123static U32 cctx_gen;
129static size_t cctx_stacksize = CORO_STACKSIZE; 124static size_t cctx_stacksize = CORO_STACKSIZE;
130static struct CoroAPI coroapi; 125static struct CoroAPI coroapi;
131static AV *main_mainstack; /* used to differentiate between $main and others */ 126static AV *main_mainstack; /* used to differentiate between $main and others */
… …
161static char times_valid; 156static char times_valid;
162 157
163static struct coro_cctx *cctx_first; 158static struct coro_cctx *cctx_first;
164static int cctx_count, cctx_idle; 159static int cctx_count, cctx_idle;
165 160
166enum { 161enum
162{
167 CC_MAPPED = 0x01, 163 CC_MAPPED = 0x01,
168 CC_NOREUSE = 0x02, /* throw this away after tracing */ 164 CC_NOREUSE = 0x02, /* throw this away after tracing */
169 CC_TRACE = 0x04, 165 CC_TRACE = 0x04,
170 CC_TRACE_SUB = 0x08, /* trace sub calls */ 166 CC_TRACE_SUB = 0x08, /* trace sub calls */
171 CC_TRACE_LINE = 0x10, /* trace each statement */ 167 CC_TRACE_LINE = 0x10, /* trace each statement */
… …
192 int valgrind_id; 188 int valgrind_id;
193#endif 189#endif
194 unsigned char flags; 190 unsigned char flags;
195} coro_cctx; 191} coro_cctx;
196 192
197coro_cctx *cctx_current; /* the currently running cctx */ 193static coro_cctx *cctx_current; /* the currently running cctx */
198 194
199/*****************************************************************************/ 195/*****************************************************************************/
200 196
197static MGVTBL coro_state_vtbl;
198
201enum { 199enum
200{
202 CF_RUNNING = 0x0001, /* coroutine is running */ 201 CF_RUNNING = 0x0001, /* coroutine is running */
203 CF_READY = 0x0002, /* coroutine is ready */ 202 CF_READY = 0x0002, /* coroutine is ready */
204 CF_NEW = 0x0004, /* has never been switched to */ 203 CF_NEW = 0x0004, /* has never been switched to */
205 CF_DESTROYED = 0x0008, /* coroutine data has been freed */ 204 CF_ZOMBIE = 0x0008, /* coroutine data has been freed */
206 CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ 205 CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
206 CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */
207}; 207};
208 208
209/* the structure where most of the perl state is stored, overlaid on the cxstack */ 209/* the structure where most of the perl state is stored, overlaid on the cxstack */
210typedef struct 210typedef struct
211{ 211{
212 SV *defsv;
213 AV *defav;
214 SV *errsv;
215 SV *irsgv;
216 HV *hinthv;
217#define VAR(name,type) type name; 212#define VARx(name,expr,type) type name;
218# include "state.h" 213# include "state.h"
219#undef VAR 214#undef VARx
220} perl_slots; 215} perl_slots;
221 216
217// how many context stack entries do we need for perl_slots
222#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) 218#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
223 219
224/* this is a structure representing a perl-level coroutine */ 220/* this is a structure representing a perl-level coroutine */
225struct coro { 221struct coro
222{
226 /* the C coroutine allocated to this perl coroutine, if any */ 223 /* the C coroutine allocated to this perl coroutine, if any */
227 coro_cctx *cctx; 224 coro_cctx *cctx;
228 225
229 /* ready queue */ 226 /* ready queue */
230 struct coro *next_ready; 227 struct coro *next_ready;
… …
232 /* state data */ 229 /* state data */
233 struct CoroSLF slf_frame; /* saved slf frame */ 230 struct CoroSLF slf_frame; /* saved slf frame */
234 AV *mainstack; 231 AV *mainstack;
235 perl_slots *slot; /* basically the saved sp */ 232 perl_slots *slot; /* basically the saved sp */
236 233
237 CV *startcv; /* the CV to execute */ 234 CV *startcv; /* the CV to execute */
238 AV *args; /* data associated with this coroutine (initial args) */ 235 AV *args; /* data associated with this coroutine (initial args) */
239 int refcnt; /* coroutines are refcounted, yes */
240 int flags; /* CF_ flags */ 236 int flags; /* CF_ flags */
241 HV *hv; /* the perl hash associated with this coro, if any */ 237 HV *hv; /* the perl hash associated with this coro, if any */
242 void (*on_destroy)(pTHX_ struct coro *coro);
243 238
244 /* statistics */ 239 /* statistics */
245 int usecount; /* number of transfers to this coro */ 240 int usecount; /* number of transfers to this coro */
246 241
247 /* coro process data */ 242 /* coro process data */
248 int prio; 243 int prio;
249 SV *except; /* exception to be thrown */ 244 SV *except; /* exception to be thrown */
250 SV *rouse_cb; 245 SV *rouse_cb; /* last rouse callback */
246 AV *on_destroy; /* callbacks or coros to notify on destroy */
247 AV *status; /* the exit status list */
251 248
252 /* async_pool */ 249 /* async_pool */
253 SV *saved_deffh; 250 SV *saved_deffh;
254 SV *invoke_cb; 251 SV *invoke_cb;
255 AV *invoke_av; 252 AV *invoke_av;
… …
271typedef struct coro *Coro__State; 268typedef struct coro *Coro__State;
272typedef struct coro *Coro__State_or_hashref; 269typedef struct coro *Coro__State_or_hashref;
273 270
274/* the following variables are effectively part of the perl context */ 271/* the following variables are effectively part of the perl context */
275/* and get copied between struct coro and these variables */ 272/* and get copied between struct coro and these variables */
276/* the mainr easonw e don't support windows process emulation */ 273/* the main reason we don't support windows process emulation */
277static struct CoroSLF slf_frame; /* the current slf frame */ 274static struct CoroSLF slf_frame; /* the current slf frame */
278 275
279/** Coro ********************************************************************/ 276/** Coro ********************************************************************/
280 277
281#define CORO_PRIO_MAX 3 278#define CORO_PRIO_MAX 3
… …
287 284
288/* for Coro.pm */ 285/* for Coro.pm */
289static SV *coro_current; 286static SV *coro_current;
290static SV *coro_readyhook; 287static SV *coro_readyhook;
291static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ 288static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */
292static CV *cv_coro_run, *cv_coro_terminate; 289static CV *cv_coro_run;
293static struct coro *coro_first; 290static struct coro *coro_first;
294#define coro_nready coroapi.nready 291#define coro_nready coroapi.nready
292
293/** JIT *********************************************************************/
294
295#if CORO_JIT
296 #ifndef CORO_JIT_TYPE
297 #if __x86_64 && (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris)
298 #define CORO_JIT_TYPE "amd64-unix"
299 typedef void (*load_save_perl_slots_type)(perl_slots *);
300 #else
301 #undef CORO_JIT
302 #endif
303 #endif
304#endif
305
306#if CORO_JIT
307static load_save_perl_slots_type load_perl_slots, save_perl_slots;
308#endif
295 309
296/** Coro::Select ************************************************************/ 310/** Coro::Select ************************************************************/
297 311
298static OP *(*coro_old_pp_sselect) (pTHX); 312static OP *(*coro_old_pp_sselect) (pTHX);
299static SV *coro_select_select; 313static SV *coro_select_select;
… …
311 PL_op->op_flags |= OPf_STACKED; 325 PL_op->op_flags |= OPf_STACKED;
312 PL_op->op_private = 0; 326 PL_op->op_private = 0;
313 return PL_ppaddr [OP_ENTERSUB](aTHX); 327 return PL_ppaddr [OP_ENTERSUB](aTHX);
314} 328}
315 329
330/** time stuff **************************************************************/
331
332#ifdef HAS_GETTIMEOFDAY
333
334ECB_INLINE void
335coro_u2time (pTHX_ UV ret[2])
336{
337 struct timeval tv;
338 gettimeofday (&tv, 0);
339
340 ret [0] = tv.tv_sec;
341 ret [1] = tv.tv_usec;
342}
343
344ECB_INLINE double
345coro_nvtime ()
346{
347 struct timeval tv;
348 gettimeofday (&tv, 0);
349
350 return tv.tv_sec + tv.tv_usec * 1e-6;
351}
352
353ECB_INLINE void
354time_init (pTHX)
355{
356 nvtime = coro_nvtime;
357 u2time = coro_u2time;
358}
359
360#else
361
362ECB_INLINE void
363time_init (pTHX)
364{
365 SV **svp;
366
367 require_pv ("Time/HiRes.pm");
368
369 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
370
371 if (!svp) croak ("Time::HiRes is required, but missing. Caught");
372 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught");
373
374 nvtime = INT2PTR (double (*)(), SvIV (*svp));
375
376 svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
377 u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp));
378}
379
380#endif
381
316/** lowlevel stuff **********************************************************/ 382/** lowlevel stuff **********************************************************/
317 383
318static SV * 384static SV * ecb_noinline
319coro_get_sv (pTHX_ const char *name, int create) 385coro_get_sv (pTHX_ const char *name, int create)
320{ 386{
321#if PERL_VERSION_ATLEAST (5,10,0) 387#if PERL_VERSION_ATLEAST (5,10,0)
322 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 388 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
323 get_sv (name, create); 389 get_sv (name, create);
324#endif 390#endif
325 return get_sv (name, create); 391 return get_sv (name, create);
326} 392}
327 393
328static AV * 394static AV * ecb_noinline
329coro_get_av (pTHX_ const char *name, int create) 395coro_get_av (pTHX_ const char *name, int create)
330{ 396{
331#if PERL_VERSION_ATLEAST (5,10,0) 397#if PERL_VERSION_ATLEAST (5,10,0)
332 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 398 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
333 get_av (name, create); 399 get_av (name, create);
334#endif 400#endif
335 return get_av (name, create); 401 return get_av (name, create);
336} 402}
337 403
338static HV * 404static HV * ecb_noinline
339coro_get_hv (pTHX_ const char *name, int create) 405coro_get_hv (pTHX_ const char *name, int create)
340{ 406{
341#if PERL_VERSION_ATLEAST (5,10,0) 407#if PERL_VERSION_ATLEAST (5,10,0)
342 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 408 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
343 get_hv (name, create); 409 get_hv (name, create);
344#endif 410#endif
345 return get_hv (name, create); 411 return get_hv (name, create);
346} 412}
347 413
348INLINE void 414ECB_INLINE void
349coro_times_update () 415coro_times_update ()
350{ 416{
351#ifdef coro_clock_gettime 417#ifdef coro_clock_gettime
352 struct timespec ts; 418 struct timespec ts;
353 419
… …
366 time_real [0] = tv [0]; 432 time_real [0] = tv [0];
367 time_real [1] = tv [1] * 1000; 433 time_real [1] = tv [1] * 1000;
368#endif 434#endif
369} 435}
370 436
371INLINE void 437ECB_INLINE void
372coro_times_add (struct coro *c) 438coro_times_add (struct coro *c)
373{ 439{
374 c->t_real [1] += time_real [1]; 440 c->t_real [1] += time_real [1];
375 if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } 441 if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
376 c->t_real [0] += time_real [0]; 442 c->t_real [0] += time_real [0];
… …
378 c->t_cpu [1] += time_cpu [1]; 444 c->t_cpu [1] += time_cpu [1];
379 if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } 445 if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
380 c->t_cpu [0] += time_cpu [0]; 446 c->t_cpu [0] += time_cpu [0];
381} 447}
382 448
383INLINE void 449ECB_INLINE void
384coro_times_sub (struct coro *c) 450coro_times_sub (struct coro *c)
385{ 451{
386 if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } 452 if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
387 c->t_real [1] -= time_real [1]; 453 c->t_real [1] -= time_real [1];
388 c->t_real [0] -= time_real [0]; 454 c->t_real [0] -= time_real [0];
… …
396/* magic glue */ 462/* magic glue */
397 463
398#define CORO_MAGIC_type_cv 26 464#define CORO_MAGIC_type_cv 26
399#define CORO_MAGIC_type_state PERL_MAGIC_ext 465#define CORO_MAGIC_type_state PERL_MAGIC_ext
400 466
401#define CORO_MAGIC_NN(sv, type) \ 467#define CORO_MAGIC_NN(sv, type) \
402 (expect_true (SvMAGIC (sv)->mg_type == type) \ 468 (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \
403 ? SvMAGIC (sv) \ 469 ? SvMAGIC (sv) \
404 : mg_find (sv, type)) 470 : mg_find (sv, type))
405 471
406#define CORO_MAGIC(sv, type) \ 472#define CORO_MAGIC(sv, type) \
407 (expect_true (SvMAGIC (sv)) \ 473 (ecb_expect_true (SvMAGIC (sv)) \
408 ? CORO_MAGIC_NN (sv, type) \ 474 ? CORO_MAGIC_NN (sv, type) \
409 : 0) 475 : 0)
410 476
411#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) 477#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
412#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) 478#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
413 479
480ECB_INLINE MAGIC *
481SvSTATEhv_p (pTHX_ SV *coro)
482{
483 MAGIC *mg;
484
485 if (ecb_expect_true (
486 SvTYPE (coro) == SVt_PVHV
487 && (mg = CORO_MAGIC_state (coro))
488 && mg->mg_virtual == &coro_state_vtbl
489 ))
490 return mg;
491
492 return 0;
493}
494
414INLINE struct coro * 495ECB_INLINE struct coro *
415SvSTATE_ (pTHX_ SV *coro) 496SvSTATE_ (pTHX_ SV *coro)
416{ 497{
417 HV *stash;
418 MAGIC *mg; 498 MAGIC *mg;
419 499
420 if (SvROK (coro)) 500 if (SvROK (coro))
421 coro = SvRV (coro); 501 coro = SvRV (coro);
422 502
423 if (expect_false (SvTYPE (coro) != SVt_PVHV)) 503 mg = SvSTATEhv_p (aTHX_ coro);
504 if (!mg)
424 croak ("Coro::State object required"); 505 croak ("Coro::State object required");
425 506
426 stash = SvSTASH (coro);
427 if (expect_false (stash != coro_stash && stash != coro_state_stash))
428 {
429 /* very slow, but rare, check */
430 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
431 croak ("Coro::State object required");
432 }
433
434 mg = CORO_MAGIC_state (coro);
435 return (struct coro *)mg->mg_ptr; 507 return (struct coro *)mg->mg_ptr;
436} 508}
437 509
438#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) 510#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
439 511
… …
442#define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) 514#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
443 515
444/*****************************************************************************/ 516/*****************************************************************************/
445/* padlist management and caching */ 517/* padlist management and caching */
446 518
447static AV * 519ECB_INLINE AV *
448coro_derive_padlist (pTHX_ CV *cv) 520coro_derive_padlist (pTHX_ CV *cv)
449{ 521{
450 AV *padlist = CvPADLIST (cv); 522 AV *padlist = CvPADLIST (cv);
451 AV *newpadlist, *newpad; 523 AV *newpadlist, *newpad;
452 524
… …
464 av_store (newpadlist, 1, (SV *)newpad); 536 av_store (newpadlist, 1, (SV *)newpad);
465 537
466 return newpadlist; 538 return newpadlist;
467} 539}
468 540
469static void 541ECB_INLINE void
470free_padlist (pTHX_ AV *padlist) 542free_padlist (pTHX_ AV *padlist)
471{ 543{
472 /* may be during global destruction */ 544 /* may be during global destruction */
473 if (!IN_DESTRUCT) 545 if (!IN_DESTRUCT)
474 { 546 {
… …
517 0, 0, 0, 0, 589 0, 0, 0, 0,
518 coro_cv_free 590 coro_cv_free
519}; 591};
520 592
521/* the next two functions merely cache the padlists */ 593/* the next two functions merely cache the padlists */
522static void 594ECB_INLINE void
523get_padlist (pTHX_ CV *cv) 595get_padlist (pTHX_ CV *cv)
524{ 596{
525 MAGIC *mg = CORO_MAGIC_cv (cv); 597 MAGIC *mg = CORO_MAGIC_cv (cv);
526 AV *av; 598 AV *av;
527 599
528 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) 600 if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
529 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 601 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
530 else 602 else
531 { 603 {
532#if CORO_PREFER_PERL_FUNCTIONS 604#if CORO_PREFER_PERL_FUNCTIONS
533 /* this is probably cleaner? but also slower! */ 605 /* this is probably cleaner? but also slower! */
… …
540 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); 612 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
541#endif 613#endif
542 } 614 }
543} 615}
544 616
545static void 617ECB_INLINE void
546put_padlist (pTHX_ CV *cv) 618put_padlist (pTHX_ CV *cv)
547{ 619{
548 MAGIC *mg = CORO_MAGIC_cv (cv); 620 MAGIC *mg = CORO_MAGIC_cv (cv);
549 AV *av; 621 AV *av;
550 622
551 if (expect_false (!mg)) 623 if (ecb_expect_false (!mg))
552 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); 624 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
553 625
554 av = (AV *)mg->mg_obj; 626 av = (AV *)mg->mg_obj;
555 627
556 if (expect_false (AvFILLp (av) >= AvMAX (av))) 628 if (ecb_expect_false (AvFILLp (av) >= AvMAX (av)))
557 av_extend (av, AvFILLp (av) + 1); 629 av_extend (av, AvFILLp (av) + 1);
558 630
559 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 631 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
560} 632}
561 633
… …
583 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); 655 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
584 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); 656 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
585 657
586#if PERL_VERSION_ATLEAST (5,10,0) 658#if PERL_VERSION_ATLEAST (5,10,0)
587 /* perl 5.10 complicates this _quite_ a bit, but it also is 659 /* perl 5.10 complicates this _quite_ a bit, but it also is
588 * is much faster, so no quarrels here. alternatively, we could 660 * much faster, so no quarrels here. alternatively, we could
589 * sv_upgrade to avoid this. 661 * sv_upgrade to avoid this.
590 */ 662 */
591 { 663 {
592 /* swap sv_u */ 664 /* swap sv_u */
593 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; 665 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
… …
606 } 678 }
607#endif 679#endif
608 } 680 }
609} 681}
610 682
611#define SWAP_SVS(coro) \ 683#define SWAP_SVS(coro) \
612 if (expect_false ((coro)->swap_sv)) \ 684 if (ecb_expect_false ((coro)->swap_sv)) \
613 swap_svs (aTHX_ (coro)) 685 swap_svs (aTHX_ (coro))
614 686
615static void 687static void
616on_enterleave_call (pTHX_ SV *cb); 688on_enterleave_call (pTHX_ SV *cb);
617 689
… …
621 perl_slots *slot = c->slot; 693 perl_slots *slot = c->slot;
622 c->slot = 0; 694 c->slot = 0;
623 695
624 PL_mainstack = c->mainstack; 696 PL_mainstack = c->mainstack;
625 697
626 GvSV (PL_defgv) = slot->defsv; 698#if CORO_JIT
627 GvAV (PL_defgv) = slot->defav; 699 load_perl_slots (slot);
628 GvSV (PL_errgv) = slot->errsv; 700#else
629 GvSV (irsgv) = slot->irsgv;
630 GvHV (PL_hintgv) = slot->hinthv;
631
632 #define VAR(name,type) PL_ ## name = slot->name; 701 #define VARx(name,expr,type) expr = slot->name;
633 # include "state.h" 702 # include "state.h"
634 #undef VAR 703 #undef VARx
704#endif
635 705
636 { 706 {
637 dSP; 707 dSP;
638 708
639 CV *cv; 709 CV *cv;
640 710
641 /* now do the ugly restore mess */ 711 /* now do the ugly restore mess */
642 while (expect_true (cv = (CV *)POPs)) 712 while (ecb_expect_true (cv = (CV *)POPs))
643 { 713 {
644 put_padlist (aTHX_ cv); /* mark this padlist as available */ 714 put_padlist (aTHX_ cv); /* mark this padlist as available */
645 CvDEPTH (cv) = PTR2IV (POPs); 715 CvDEPTH (cv) = PTR2IV (POPs);
646 CvPADLIST (cv) = (AV *)POPs; 716 CvPADLIST (cv) = (AV *)POPs;
647 } 717 }
… …
650 } 720 }
651 721
652 slf_frame = c->slf_frame; 722 slf_frame = c->slf_frame;
653 CORO_THROW = c->except; 723 CORO_THROW = c->except;
654 724
655 if (expect_false (enable_times)) 725 if (ecb_expect_false (enable_times))
656 { 726 {
657 if (expect_false (!times_valid)) 727 if (ecb_expect_false (!times_valid))
658 coro_times_update (); 728 coro_times_update ();
659 729
660 coro_times_sub (c); 730 coro_times_sub (c);
661 } 731 }
662 732
663 if (expect_false (c->on_enter)) 733 if (ecb_expect_false (c->on_enter))
664 { 734 {
665 int i; 735 int i;
666 736
667 for (i = 0; i <= AvFILLp (c->on_enter); ++i) 737 for (i = 0; i <= AvFILLp (c->on_enter); ++i)
668 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); 738 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
… …
674static void 744static void
675save_perl (pTHX_ Coro__State c) 745save_perl (pTHX_ Coro__State c)
676{ 746{
677 SWAP_SVS (c); 747 SWAP_SVS (c);
678 748
679 if (expect_false (c->on_leave)) 749 if (ecb_expect_false (c->on_leave))
680 { 750 {
681 int i; 751 int i;
682 752
683 for (i = AvFILLp (c->on_leave); i >= 0; --i) 753 for (i = AvFILLp (c->on_leave); i >= 0; --i)
684 on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); 754 on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
685 } 755 }
686 756
687 times_valid = 0; 757 times_valid = 0;
688 758
689 if (expect_false (enable_times)) 759 if (ecb_expect_false (enable_times))
690 { 760 {
691 coro_times_update (); times_valid = 1; 761 coro_times_update (); times_valid = 1;
692 coro_times_add (c); 762 coro_times_add (c);
693 } 763 }
694 764
… …
708 778
709 XPUSHs (Nullsv); 779 XPUSHs (Nullsv);
710 /* this loop was inspired by pp_caller */ 780 /* this loop was inspired by pp_caller */
711 for (;;) 781 for (;;)
712 { 782 {
713 while (expect_true (cxix >= 0)) 783 while (ecb_expect_true (cxix >= 0))
714 { 784 {
715 PERL_CONTEXT *cx = &ccstk[cxix--]; 785 PERL_CONTEXT *cx = &ccstk[cxix--];
716 786
717 if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) 787 if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT))
718 { 788 {
719 CV *cv = cx->blk_sub.cv; 789 CV *cv = cx->blk_sub.cv;
720 790
721 if (expect_true (CvDEPTH (cv))) 791 if (ecb_expect_true (CvDEPTH (cv)))
722 { 792 {
723 EXTEND (SP, 3); 793 EXTEND (SP, 3);
724 PUSHs ((SV *)CvPADLIST (cv)); 794 PUSHs ((SV *)CvPADLIST (cv));
725 PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); 795 PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
726 PUSHs ((SV *)cv); 796 PUSHs ((SV *)cv);
… …
729 get_padlist (aTHX_ cv); 799 get_padlist (aTHX_ cv);
730 } 800 }
731 } 801 }
732 } 802 }
733 803
734 if (expect_true (top_si->si_type == PERLSI_MAIN)) 804 if (ecb_expect_true (top_si->si_type == PERLSI_MAIN))
735 break; 805 break;
736 806
737 top_si = top_si->si_prev; 807 top_si = top_si->si_prev;
738 ccstk = top_si->si_cxstack; 808 ccstk = top_si->si_cxstack;
739 cxix = top_si->si_cxix; 809 cxix = top_si->si_cxix;
… …
741 811
742 PUTBACK; 812 PUTBACK;
743 } 813 }
744 814
745 /* allocate some space on the context stack for our purposes */ 815 /* allocate some space on the context stack for our purposes */
746 /* we manually unroll here, as usually 2 slots is enough */ 816 if (ecb_expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max))
747 if (SLOT_COUNT >= 1) CXINC;
748 if (SLOT_COUNT >= 2) CXINC;
749 if (SLOT_COUNT >= 3) CXINC;
750 { 817 {
751 unsigned int i; 818 unsigned int i;
819
752 for (i = 3; i < SLOT_COUNT; ++i) 820 for (i = 0; i < SLOT_COUNT; ++i)
753 CXINC; 821 CXINC;
754 } 822
755 cxstack_ix -= SLOT_COUNT; /* undo allocation */ 823 cxstack_ix -= SLOT_COUNT; /* undo allocation */
824 }
756 825
757 c->mainstack = PL_mainstack; 826 c->mainstack = PL_mainstack;
758 827
759 { 828 {
760 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); 829 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
761 830
762 slot->defav = GvAV (PL_defgv); 831#if CORO_JIT
763 slot->defsv = DEFSV; 832 save_perl_slots (slot);
764 slot->errsv = ERRSV; 833#else
765 slot->irsgv = GvSV (irsgv);
766 slot->hinthv = GvHV (PL_hintgv);
767
768 #define VAR(name,type) slot->name = PL_ ## name; 834 #define VARx(name,expr,type) slot->name = expr;
769 # include "state.h" 835 # include "state.h"
770 #undef VAR 836 #undef VARx
837#endif
771 } 838 }
772} 839}
773 840
774/* 841/*
775 * allocate various perl stacks. This is almost an exact copy 842 * allocate various perl stacks. This is almost an exact copy
… …
781# define coro_init_stacks(thx) init_stacks () 848# define coro_init_stacks(thx) init_stacks ()
782#else 849#else
783static void 850static void
784coro_init_stacks (pTHX) 851coro_init_stacks (pTHX)
785{ 852{
786 PL_curstackinfo = new_stackinfo(32, 8); 853 PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */
787 PL_curstackinfo->si_type = PERLSI_MAIN; 854 PL_curstackinfo->si_type = PERLSI_MAIN;
788 PL_curstack = PL_curstackinfo->si_stack; 855 PL_curstack = PL_curstackinfo->si_stack;
789 PL_mainstack = PL_curstack; /* remember in case we switch stacks */ 856 PL_mainstack = PL_curstack; /* remember in case we switch stacks */
790 857
791 PL_stack_base = AvARRAY(PL_curstack); 858 PL_stack_base = AvARRAY(PL_curstack);
… …
898#endif 965#endif
899 966
900/* 967/*
901 * This overrides the default magic get method of %SIG elements. 968 * This overrides the default magic get method of %SIG elements.
902 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook 969 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook
903 * and instead of trying to save and restore the hash elements, we just provide 970 * and instead of trying to save and restore the hash elements (extremely slow),
904 * readback here. 971 * we just provide our own readback here.
905 */ 972 */
906static int 973static int ecb_cold
907coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) 974coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
908{ 975{
909 const char *s = MgPV_nolen_const (mg); 976 const char *s = MgPV_nolen_const (mg);
910 977
911 if (*s == '_') 978 if (*s == '_')
… …
923 } 990 }
924 991
925 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; 992 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
926} 993}
927 994
928static int 995static int ecb_cold
929coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) 996coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg)
930{ 997{
931 const char *s = MgPV_nolen_const (mg); 998 const char *s = MgPV_nolen_const (mg);
932 999
933 if (*s == '_') 1000 if (*s == '_')
… …
947 } 1014 }
948 1015
949 return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; 1016 return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
950} 1017}
951 1018
952static int 1019static int ecb_cold
953coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) 1020coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg)
954{ 1021{
955 const char *s = MgPV_nolen_const (mg); 1022 const char *s = MgPV_nolen_const (mg);
956 1023
957 if (*s == '_') 1024 if (*s == '_')
… …
992 return 1; 1059 return 1;
993} 1060}
994 1061
995static UNOP init_perl_op; 1062static UNOP init_perl_op;
996 1063
997static void NOINLINE /* noinline to keep it out of the transfer fast path */ 1064ecb_noinline static void /* noinline to keep it out of the transfer fast path */
998init_perl (pTHX_ struct coro *coro) 1065init_perl (pTHX_ struct coro *coro)
999{ 1066{
1000 /* 1067 /*
1001 * emulate part of the perl startup here. 1068 * emulate part of the perl startup here.
1002 */ 1069 */
… …
1010 PL_comppad_name_fill = 0; 1077 PL_comppad_name_fill = 0;
1011 PL_comppad_name_floor = 0; 1078 PL_comppad_name_floor = 0;
1012 PL_curpm = 0; 1079 PL_curpm = 0;
1013 PL_curpad = 0; 1080 PL_curpad = 0;
1014 PL_localizing = 0; 1081 PL_localizing = 0;
1015 PL_dirty = 0;
1016 PL_restartop = 0; 1082 PL_restartop = 0;
1017#if PERL_VERSION_ATLEAST (5,10,0) 1083#if PERL_VERSION_ATLEAST (5,10,0)
1018 PL_parser = 0; 1084 PL_parser = 0;
1019#endif 1085#endif
1020 PL_hints = 0; 1086 PL_hints = 0;
1021 1087
1022 /* recreate the die/warn hooks */ 1088 /* recreate the die/warn hooks */
1023 PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); 1089 PL_diehook = SvREFCNT_inc (rv_diehook);
1024 PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); 1090 PL_warnhook = SvREFCNT_inc (rv_warnhook);
1025 1091
1026 GvSV (PL_defgv) = newSV (0); 1092 GvSV (PL_defgv) = newSV (0);
1027 GvAV (PL_defgv) = coro->args; coro->args = 0; 1093 GvAV (PL_defgv) = coro->args; coro->args = 0;
1028 GvSV (PL_errgv) = newSV (0); 1094 GvSV (PL_errgv) = newSV (0);
1029 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 1095 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
… …
1050 /* this newly created coroutine might be run on an existing cctx which most 1116 /* this newly created coroutine might be run on an existing cctx which most
1051 * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. 1117 * likely was suspended in pp_slf, so we have to emulate entering pp_slf here.
1052 */ 1118 */
1053 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ 1119 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
1054 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ 1120 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
1121 slf_frame.destroy = 0;
1055 1122
1056 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ 1123 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
1057 init_perl_op.op_next = PL_op; 1124 init_perl_op.op_next = PL_op;
1058 init_perl_op.op_type = OP_ENTERSUB; 1125 init_perl_op.op_type = OP_ENTERSUB;
1059 init_perl_op.op_ppaddr = pp_slf; 1126 init_perl_op.op_ppaddr = pp_slf;
… …
1064 /* copy throw, in case it was set before init_perl */ 1131 /* copy throw, in case it was set before init_perl */
1065 CORO_THROW = coro->except; 1132 CORO_THROW = coro->except;
1066 1133
1067 SWAP_SVS (coro); 1134 SWAP_SVS (coro);
1068 1135
1069 if (expect_false (enable_times)) 1136 if (ecb_expect_false (enable_times))
1070 { 1137 {
1071 coro_times_update (); 1138 coro_times_update ();
1072 coro_times_sub (coro); 1139 coro_times_sub (coro);
1073 } 1140 }
1074} 1141}
… …
1098destroy_perl (pTHX_ struct coro *coro) 1165destroy_perl (pTHX_ struct coro *coro)
1099{ 1166{
1100 SV *svf [9]; 1167 SV *svf [9];
1101 1168
1102 { 1169 {
1170 SV *old_current = SvRV (coro_current);
1103 struct coro *current = SvSTATE_current; 1171 struct coro *current = SvSTATE (old_current);
1104 1172
1105 assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); 1173 assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1106 1174
1107 save_perl (aTHX_ current); 1175 save_perl (aTHX_ current);
1176
1177 /* this will cause transfer_check to croak on block*/
1178 SvRV_set (coro_current, (SV *)coro->hv);
1179
1108 load_perl (aTHX_ coro); 1180 load_perl (aTHX_ coro);
1109 1181
1110 coro_unwind_stacks (aTHX); 1182 coro_unwind_stacks (aTHX);
1111 coro_destruct_stacks (aTHX);
1112 1183
1113 /* restore swapped sv's */ 1184 /* restore swapped sv's */
1114 SWAP_SVS (coro); 1185 SWAP_SVS (coro);
1186
1187 coro_destruct_stacks (aTHX);
1115 1188
1116 // now save some sv's to be free'd later 1189 // now save some sv's to be free'd later
1117 svf [0] = GvSV (PL_defgv); 1190 svf [0] = GvSV (PL_defgv);
1118 svf [1] = (SV *)GvAV (PL_defgv); 1191 svf [1] = (SV *)GvAV (PL_defgv);
1119 svf [2] = GvSV (PL_errgv); 1192 svf [2] = GvSV (PL_errgv);
… …
1123 svf [6] = (SV *)GvHV (PL_hintgv); 1196 svf [6] = (SV *)GvHV (PL_hintgv);
1124 svf [7] = PL_diehook; 1197 svf [7] = PL_diehook;
1125 svf [8] = PL_warnhook; 1198 svf [8] = PL_warnhook;
1126 assert (9 == sizeof (svf) / sizeof (*svf)); 1199 assert (9 == sizeof (svf) / sizeof (*svf));
1127 1200
1201 SvRV_set (coro_current, old_current);
1202
1128 load_perl (aTHX_ current); 1203 load_perl (aTHX_ current);
1129 } 1204 }
1130 1205
1131 { 1206 {
1132 unsigned int i; 1207 unsigned int i;
… …
1139 SvREFCNT_dec (coro->invoke_cb); 1214 SvREFCNT_dec (coro->invoke_cb);
1140 SvREFCNT_dec (coro->invoke_av); 1215 SvREFCNT_dec (coro->invoke_av);
1141 } 1216 }
1142} 1217}
1143 1218
1144INLINE void 1219ECB_INLINE void
1145free_coro_mortal (pTHX) 1220free_coro_mortal (pTHX)
1146{ 1221{
1147 if (expect_true (coro_mortal)) 1222 if (ecb_expect_true (coro_mortal))
1148 { 1223 {
1149 SvREFCNT_dec (coro_mortal); 1224 SvREFCNT_dec ((SV *)coro_mortal);
1150 coro_mortal = 0; 1225 coro_mortal = 0;
1151 } 1226 }
1152} 1227}
1153 1228
1154static int 1229static int
… …
1287 1362
1288 return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ 1363 return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1289} 1364}
1290 1365
1291/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ 1366/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1292static void NOINLINE 1367static void ecb_noinline
1293cctx_prepare (pTHX) 1368cctx_prepare (pTHX)
1294{ 1369{
1295 PL_top_env = &PL_start_env; 1370 PL_top_env = &PL_start_env;
1296 1371
1297 if (cctx_current->flags & CC_TRACE) 1372 if (cctx_current->flags & CC_TRACE)
… …
1308 slf_frame.prepare = slf_prepare_set_stacklevel; 1383 slf_frame.prepare = slf_prepare_set_stacklevel;
1309 slf_frame.check = slf_check_set_stacklevel; 1384 slf_frame.check = slf_check_set_stacklevel;
1310} 1385}
1311 1386
1312/* the tail of transfer: execute stuff we can only do after a transfer */ 1387/* the tail of transfer: execute stuff we can only do after a transfer */
1313INLINE void 1388ECB_INLINE void
1314transfer_tail (pTHX) 1389transfer_tail (pTHX)
1315{ 1390{
1316 free_coro_mortal (aTHX); 1391 free_coro_mortal (aTHX);
1317} 1392}
1318 1393
… …
1441cctx_destroy (coro_cctx *cctx) 1516cctx_destroy (coro_cctx *cctx)
1442{ 1517{
1443 if (!cctx) 1518 if (!cctx)
1444 return; 1519 return;
1445 1520
1446 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? 1521 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));
1447 1522
1448 --cctx_count; 1523 --cctx_count;
1449 coro_destroy (&cctx->cctx); 1524 coro_destroy (&cctx->cctx);
1450 1525
1451 /* coro_transfer creates new, empty cctx's */ 1526 /* coro_transfer creates new, empty cctx's */
… …
1470#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) 1545#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE))
1471 1546
1472static coro_cctx * 1547static coro_cctx *
1473cctx_get (pTHX) 1548cctx_get (pTHX)
1474{ 1549{
1475 while (expect_true (cctx_first)) 1550 while (ecb_expect_true (cctx_first))
1476 { 1551 {
1477 coro_cctx *cctx = cctx_first; 1552 coro_cctx *cctx = cctx_first;
1478 cctx_first = cctx->next; 1553 cctx_first = cctx->next;
1479 --cctx_idle; 1554 --cctx_idle;
1480 1555
1481 if (expect_true (!CCTX_EXPIRED (cctx))) 1556 if (ecb_expect_true (!CCTX_EXPIRED (cctx)))
1482 return cctx; 1557 return cctx;
1483 1558
1484 cctx_destroy (cctx); 1559 cctx_destroy (cctx);
1485 } 1560 }
1486 1561
… …
1491cctx_put (coro_cctx *cctx) 1566cctx_put (coro_cctx *cctx)
1492{ 1567{
1493 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); 1568 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr));
1494 1569
1495 /* free another cctx if overlimit */ 1570 /* free another cctx if overlimit */
1496 if (expect_false (cctx_idle >= cctx_max_idle)) 1571 if (ecb_expect_false (cctx_idle >= cctx_max_idle))
1497 { 1572 {
1498 coro_cctx *first = cctx_first; 1573 coro_cctx *first = cctx_first;
1499 cctx_first = first->next; 1574 cctx_first = first->next;
1500 --cctx_idle; 1575 --cctx_idle;
1501 1576
… …
1512static void 1587static void
1513transfer_check (pTHX_ struct coro *prev, struct coro *next) 1588transfer_check (pTHX_ struct coro *prev, struct coro *next)
1514{ 1589{
1515 /* TODO: throwing up here is considered harmful */ 1590 /* TODO: throwing up here is considered harmful */
1516 1591
1517 if (expect_true (prev != next)) 1592 if (ecb_expect_true (prev != next))
1518 { 1593 {
1519 if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) 1594 if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
1520 croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); 1595 croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1521 1596
1522 if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) 1597 if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED)))
1523 croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); 1598 croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1524 1599
1525#if !PERL_VERSION_ATLEAST (5,10,0) 1600#if !PERL_VERSION_ATLEAST (5,10,0)
1526 if (expect_false (PL_lex_state != LEX_NOTPARSING)) 1601 if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING))
1527 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); 1602 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1528#endif 1603#endif
1529 } 1604 }
1530} 1605}
1531 1606
1532/* always use the TRANSFER macro */ 1607/* always use the TRANSFER macro */
1533static void NOINLINE /* noinline so we have a fixed stackframe */ 1608static void ecb_noinline /* noinline so we have a fixed stackframe */
1534transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) 1609transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1535{ 1610{
1536 dSTACKLEVEL; 1611 dSTACKLEVEL;
1537 1612
1538 /* sometimes transfer is only called to set idle_sp */ 1613 /* sometimes transfer is only called to set idle_sp */
1539 if (expect_false (!prev)) 1614 if (ecb_expect_false (!prev))
1540 { 1615 {
1541 cctx_current->idle_sp = STACKLEVEL; 1616 cctx_current->idle_sp = STACKLEVEL;
1542 assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ 1617 assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1543 } 1618 }
1544 else if (expect_true (prev != next)) 1619 else if (ecb_expect_true (prev != next))
1545 { 1620 {
1546 coro_cctx *cctx_prev; 1621 coro_cctx *cctx_prev;
1547 1622
1548 if (expect_false (prev->flags & CF_NEW)) 1623 if (ecb_expect_false (prev->flags & CF_NEW))
1549 { 1624 {
1550 /* create a new empty/source context */ 1625 /* create a new empty/source context */
1551 prev->flags &= ~CF_NEW; 1626 prev->flags &= ~CF_NEW;
1552 prev->flags |= CF_RUNNING; 1627 prev->flags |= CF_RUNNING;
1553 } 1628 }
… …
1556 next->flags |= CF_RUNNING; 1631 next->flags |= CF_RUNNING;
1557 1632
1558 /* first get rid of the old state */ 1633 /* first get rid of the old state */
1559 save_perl (aTHX_ prev); 1634 save_perl (aTHX_ prev);
1560 1635
1561 if (expect_false (next->flags & CF_NEW)) 1636 if (ecb_expect_false (next->flags & CF_NEW))
1562 { 1637 {
1563 /* need to start coroutine */ 1638 /* need to start coroutine */
1564 next->flags &= ~CF_NEW; 1639 next->flags &= ~CF_NEW;
1565 /* setup coroutine call */ 1640 /* setup coroutine call */
1566 init_perl (aTHX_ next); 1641 init_perl (aTHX_ next);
1567 } 1642 }
1568 else 1643 else
1569 load_perl (aTHX_ next); 1644 load_perl (aTHX_ next);
1570 1645
1571 /* possibly untie and reuse the cctx */ 1646 /* possibly untie and reuse the cctx */
1572 if (expect_true ( 1647 if (ecb_expect_true (
1573 cctx_current->idle_sp == STACKLEVEL 1648 cctx_current->idle_sp == STACKLEVEL
1574 && !(cctx_current->flags & CC_TRACE) 1649 && !(cctx_current->flags & CC_TRACE)
1575 && !force_cctx 1650 && !force_cctx
1576 )) 1651 ))
1577 { 1652 {
1578 /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ 1653 /* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1579 assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); 1654 assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1580 1655
1581 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ 1656 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1582 /* without this the next cctx_get might destroy the running cctx while still in use */ 1657 /* without this the next cctx_get might destroy the running cctx while still in use */
1583 if (expect_false (CCTX_EXPIRED (cctx_current))) 1658 if (ecb_expect_false (CCTX_EXPIRED (cctx_current)))
1584 if (expect_true (!next->cctx)) 1659 if (ecb_expect_true (!next->cctx))
1585 next->cctx = cctx_get (aTHX); 1660 next->cctx = cctx_get (aTHX);
1586 1661
1587 cctx_put (cctx_current); 1662 cctx_put (cctx_current);
1588 } 1663 }
1589 else 1664 else
1590 prev->cctx = cctx_current; 1665 prev->cctx = cctx_current;
1591 1666
1592 ++next->usecount; 1667 ++next->usecount;
1593 1668
1594 cctx_prev = cctx_current; 1669 cctx_prev = cctx_current;
1595 cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); 1670 cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1596 1671
1597 next->cctx = 0; 1672 next->cctx = 0;
1598 1673
1599 if (expect_false (cctx_prev != cctx_current)) 1674 if (ecb_expect_false (cctx_prev != cctx_current))
1600 { 1675 {
1601 cctx_prev->top_env = PL_top_env; 1676 cctx_prev->top_env = PL_top_env;
1602 PL_top_env = cctx_current->top_env; 1677 PL_top_env = cctx_current->top_env;
1603 coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); 1678 coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1604 } 1679 }
… …
1610#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) 1685#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1611#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) 1686#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1612 1687
1613/** high level stuff ********************************************************/ 1688/** high level stuff ********************************************************/
1614 1689
1690/* this function is actually Coro, not Coro::State, but we call it from here */
1691/* because it is convenient - but it hasn't been declared yet for that reason */
1615static int 1692static void
1693coro_call_on_destroy (pTHX_ struct coro *coro);
1694
1695static void
1616coro_state_destroy (pTHX_ struct coro *coro) 1696coro_state_destroy (pTHX_ struct coro *coro)
1617{ 1697{
1618 if (coro->flags & CF_DESTROYED) 1698 if (coro->flags & CF_ZOMBIE)
1619 return 0; 1699 return;
1620 1700
1621 if (coro->on_destroy && !PL_dirty)
1622 coro->on_destroy (aTHX_ coro); 1701 slf_destroy (aTHX_ coro);
1623 1702
1624 coro->flags |= CF_DESTROYED; 1703 coro->flags |= CF_ZOMBIE;
1625 1704
1626 if (coro->flags & CF_READY) 1705 if (coro->flags & CF_READY)
1627 { 1706 {
1628 /* reduce nready, as destroying a ready coro effectively unreadies it */ 1707 /* reduce nready, as destroying a ready coro effectively unreadies it */
1629 /* alternative: look through all ready queues and remove the coro */ 1708 /* alternative: look through all ready queues and remove the coro */
1630 --coro_nready; 1709 --coro_nready;
1631 } 1710 }
1632 else 1711 else
1633 coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ 1712 coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */
1713
1714 if (coro->next) coro->next->prev = coro->prev;
1715 if (coro->prev) coro->prev->next = coro->next;
1716 if (coro == coro_first) coro_first = coro->next;
1634 1717
1635 if (coro->mainstack 1718 if (coro->mainstack
1636 && coro->mainstack != main_mainstack 1719 && coro->mainstack != main_mainstack
1637 && coro->slot 1720 && coro->slot
1638 && !PL_dirty) 1721 && !PL_dirty)
1639 destroy_perl (aTHX_ coro); 1722 destroy_perl (aTHX_ coro);
1640 1723
1641 if (coro->next) coro->next->prev = coro->prev;
1642 if (coro->prev) coro->prev->next = coro->next;
1643 if (coro == coro_first) coro_first = coro->next;
1644
1645 cctx_destroy (coro->cctx); 1724 cctx_destroy (coro->cctx);
1646 SvREFCNT_dec (coro->startcv); 1725 SvREFCNT_dec (coro->startcv);
1647 SvREFCNT_dec (coro->args); 1726 SvREFCNT_dec (coro->args);
1648 SvREFCNT_dec (coro->swap_sv); 1727 SvREFCNT_dec (coro->swap_sv);
1649 SvREFCNT_dec (CORO_THROW); 1728 SvREFCNT_dec (CORO_THROW);
1650 1729
1651 return 1; 1730 coro_call_on_destroy (aTHX_ coro);
1731
1732 /* more destruction mayhem in coro_state_free */
1652} 1733}
1653 1734
1654static int 1735static int
1655coro_state_free (pTHX_ SV *sv, MAGIC *mg) 1736coro_state_free (pTHX_ SV *sv, MAGIC *mg)
1656{ 1737{
1657 struct coro *coro = (struct coro *)mg->mg_ptr; 1738 struct coro *coro = (struct coro *)mg->mg_ptr;
1658 mg->mg_ptr = 0; 1739 mg->mg_ptr = 0;
1659 1740
1660 coro->hv = 0;
1661
1662 if (--coro->refcnt < 0)
1663 {
1664 coro_state_destroy (aTHX_ coro); 1741 coro_state_destroy (aTHX_ coro);
1742 SvREFCNT_dec (coro->on_destroy);
1743 SvREFCNT_dec (coro->status);
1744
1665 Safefree (coro); 1745 Safefree (coro);
1666 }
1667 1746
1668 return 0; 1747 return 0;
1669} 1748}
1670 1749
1671static int 1750static int ecb_cold
1672coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) 1751coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params)
1673{ 1752{
1674 struct coro *coro = (struct coro *)mg->mg_ptr; 1753 /* called when perl clones the current process the slow way (windows process emulation) */
1675 1754 /* WE SIMply nuke the pointers in the copy, causing perl to croak */
1676 ++coro->refcnt; 1755 mg->mg_ptr = 0;
1756 mg->mg_virtual = 0;
1677 1757
1678 return 0; 1758 return 0;
1679} 1759}
1680 1760
1681static MGVTBL coro_state_vtbl = { 1761static MGVTBL coro_state_vtbl = {
… …
1706 TRANSFER (ta, 1); 1786 TRANSFER (ta, 1);
1707} 1787}
1708 1788
1709/** Coro ********************************************************************/ 1789/** Coro ********************************************************************/
1710 1790
1711INLINE void 1791ECB_INLINE void
1712coro_enq (pTHX_ struct coro *coro) 1792coro_enq (pTHX_ struct coro *coro)
1713{ 1793{
1714 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; 1794 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1715 1795
1716 SvREFCNT_inc_NN (coro->hv); 1796 SvREFCNT_inc_NN (coro->hv);
… …
1718 coro->next_ready = 0; 1798 coro->next_ready = 0;
1719 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; 1799 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
1720 ready [1] = coro; 1800 ready [1] = coro;
1721} 1801}
1722 1802
1723INLINE struct coro * 1803ECB_INLINE struct coro *
1724coro_deq (pTHX) 1804coro_deq (pTHX)
1725{ 1805{
1726 int prio; 1806 int prio;
1727 1807
1728 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) 1808 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
… …
1781{ 1861{
1782 return !!(SvSTATE (coro_sv)->flags & CF_READY); 1862 return !!(SvSTATE (coro_sv)->flags & CF_READY);
1783} 1863}
1784 1864
1785/* expects to own a reference to next->hv */ 1865/* expects to own a reference to next->hv */
1786INLINE void 1866ECB_INLINE void
1787prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) 1867prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1788{ 1868{
1789 SV *prev_sv = SvRV (coro_current); 1869 SV *prev_sv = SvRV (coro_current);
1790 1870
1791 ta->prev = SvSTATE_hv (prev_sv); 1871 ta->prev = SvSTATE_hv (prev_sv);
… …
1804{ 1884{
1805 for (;;) 1885 for (;;)
1806 { 1886 {
1807 struct coro *next = coro_deq (aTHX); 1887 struct coro *next = coro_deq (aTHX);
1808 1888
1809 if (expect_true (next)) 1889 if (ecb_expect_true (next))
1810 { 1890 {
1811 /* cannot transfer to destroyed coros, skip and look for next */ 1891 /* cannot transfer to destroyed coros, skip and look for next */
1812 if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) 1892 if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED)))
1813 SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ 1893 SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1814 else 1894 else
1815 { 1895 {
1816 next->flags &= ~CF_READY; 1896 next->flags &= ~CF_READY;
1817 --coro_nready; 1897 --coro_nready;
… …
1850 } 1930 }
1851 } 1931 }
1852 } 1932 }
1853} 1933}
1854 1934
1855INLINE void 1935ECB_INLINE void
1856prepare_cede (pTHX_ struct coro_transfer_args *ta) 1936prepare_cede (pTHX_ struct coro_transfer_args *ta)
1857{ 1937{
1858 api_ready (aTHX_ coro_current); 1938 api_ready (aTHX_ coro_current);
1859 prepare_schedule (aTHX_ ta); 1939 prepare_schedule (aTHX_ ta);
1860} 1940}
1861 1941
1862INLINE void 1942ECB_INLINE void
1863prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) 1943prepare_cede_notself (pTHX_ struct coro_transfer_args *ta)
1864{ 1944{
1865 SV *prev = SvRV (coro_current); 1945 SV *prev = SvRV (coro_current);
1866 1946
1867 if (coro_nready) 1947 if (coro_nready)
… …
1897{ 1977{
1898 struct coro_transfer_args ta; 1978 struct coro_transfer_args ta;
1899 1979
1900 prepare_cede (aTHX_ &ta); 1980 prepare_cede (aTHX_ &ta);
1901 1981
1902 if (expect_true (ta.prev != ta.next)) 1982 if (ecb_expect_true (ta.prev != ta.next))
1903 { 1983 {
1904 TRANSFER (ta, 1); 1984 TRANSFER (ta, 1);
1905 return 1; 1985 return 1;
1906 } 1986 }
1907 else 1987 else
… …
1950 coro->slot->runops = RUNOPS_DEFAULT; 2030 coro->slot->runops = RUNOPS_DEFAULT;
1951 } 2031 }
1952} 2032}
1953 2033
1954static void 2034static void
2035coro_push_av (pTHX_ AV *av, I32 gimme_v)
2036{
2037 if (AvFILLp (av) >= 0 && gimme_v != G_VOID)
2038 {
2039 dSP;
2040
2041 if (gimme_v == G_SCALAR)
2042 XPUSHs (AvARRAY (av)[AvFILLp (av)]);
2043 else
2044 {
2045 int i;
2046 EXTEND (SP, AvFILLp (av) + 1);
2047
2048 for (i = 0; i <= AvFILLp (av); ++i)
2049 PUSHs (AvARRAY (av)[i]);
2050 }
2051
2052 PUTBACK;
2053 }
2054}
2055
2056static void
2057coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb)
2058{
2059 if (!coro->on_destroy)
2060 coro->on_destroy = newAV ();
2061
2062 av_push (coro->on_destroy, cb);
2063}
2064
2065static void
2066slf_destroy_join (pTHX_ struct CoroSLF *frame)
2067{
2068 SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv);
2069}
2070
2071static int
2072slf_check_join (pTHX_ struct CoroSLF *frame)
2073{
2074 struct coro *coro = (struct coro *)frame->data;
2075
2076 if (!coro->status)
2077 return 1;
2078
2079 frame->destroy = 0;
2080
2081 coro_push_av (aTHX_ coro->status, GIMME_V);
2082
2083 SvREFCNT_dec ((SV *)coro->hv);
2084
2085 return 0;
2086}
2087
2088static void
2089slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2090{
2091 struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef);
2092
2093 if (items > 1)
2094 croak ("join called with too many arguments");
2095
2096 if (coro->status)
2097 frame->prepare = prepare_nop;
2098 else
2099 {
2100 coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current)));
2101 frame->prepare = prepare_schedule;
2102 }
2103
2104 frame->check = slf_check_join;
2105 frame->destroy = slf_destroy_join;
2106 frame->data = (void *)coro;
2107 SvREFCNT_inc (coro->hv);
2108}
2109
2110static void
1955coro_call_on_destroy (pTHX_ struct coro *coro) 2111coro_call_on_destroy (pTHX_ struct coro *coro)
1956{ 2112{
1957 SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); 2113 AV *od = coro->on_destroy;
1958 SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
1959 2114
1960 if (on_destroyp) 2115 if (!od)
1961 { 2116 return;
1962 AV *on_destroy = (AV *)SvRV (*on_destroyp);
1963 2117
1964 while (AvFILLp (on_destroy) >= 0) 2118 while (AvFILLp (od) >= 0)
2119 {
2120 SV *cb = sv_2mortal (av_pop (od));
2121
2122 /* coro hv's (and only hv's at the moment) are supported as well */
2123 if (SvSTATEhv_p (aTHX_ cb))
2124 api_ready (aTHX_ cb);
2125 else
1965 { 2126 {
1966 dSP; /* don't disturb outer sp */ 2127 dSP; /* don't disturb outer sp */
1967 SV *cb = av_pop (on_destroy);
1968
1969 PUSHMARK (SP); 2128 PUSHMARK (SP);
1970 2129
1971 if (statusp) 2130 if (coro->status)
1972 { 2131 {
1973 int i; 2132 PUTBACK;
1974 AV *status = (AV *)SvRV (*statusp); 2133 coro_push_av (aTHX_ coro->status, G_ARRAY);
1975 EXTEND (SP, AvFILLp (status) + 1); 2134 SPAGAIN;
1976
1977 for (i = 0; i <= AvFILLp (status); ++i)
1978 PUSHs (AvARRAY (status)[i]);
1979 } 2135 }
1980 2136
1981 PUTBACK; 2137 PUTBACK;
1982 call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); 2138 call_sv (cb, G_VOID | G_DISCARD);
1983 } 2139 }
1984 } 2140 }
1985} 2141}
1986 2142
1987static void 2143static void
1988slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2144coro_set_status (pTHX_ struct coro *coro, SV **arg, int items)
1989{ 2145{
1990 int i; 2146 AV *av;
1991 HV *hv = (HV *)SvRV (coro_current); 2147
1992 AV *av = newAV (); 2148 if (coro->status)
2149 {
2150 av = coro->status;
2151 av_clear (av);
2152 }
2153 else
2154 av = coro->status = newAV ();
1993 2155
1994 /* items are actually not so common, so optimise for this case */ 2156 /* items are actually not so common, so optimise for this case */
1995 if (items) 2157 if (items)
1996 { 2158 {
2159 int i;
2160
1997 av_extend (av, items - 1); 2161 av_extend (av, items - 1);
1998 2162
1999 for (i = 0; i < items; ++i) 2163 for (i = 0; i < items; ++i)
2000 av_push (av, SvREFCNT_inc_NN (arg [i])); 2164 av_push (av, SvREFCNT_inc_NN (arg [i]));
2001 } 2165 }
2166}
2002 2167
2003 hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); 2168static void
2004 2169slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv)
2170{
2005 av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ 2171 av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */
2006 api_ready (aTHX_ sv_manager); 2172 api_ready (aTHX_ sv_manager);
2007 2173
2008 frame->prepare = prepare_schedule; 2174 frame->prepare = prepare_schedule;
2009 frame->check = slf_check_repeat; 2175 frame->check = slf_check_repeat;
2010 2176
2011 /* as a minor optimisation, we could unwind all stacks here */ 2177 /* as a minor optimisation, we could unwind all stacks here */
2012 /* but that puts extra pressure on pp_slf, and is not worth much */ 2178 /* but that puts extra pressure on pp_slf, and is not worth much */
2013 /*coro_unwind_stacks (aTHX);*/ 2179 /*coro_unwind_stacks (aTHX);*/
2180}
2181
2182static void
2183slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2184{
2185 HV *coro_hv = (HV *)SvRV (coro_current);
2186
2187 coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items);
2188 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2189}
2190
2191static void
2192slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2193{
2194 HV *coro_hv;
2195 struct coro *coro;
2196
2197 if (items <= 0)
2198 croak ("Coro::cancel called without coro object,");
2199
2200 coro = SvSTATE (arg [0]);
2201 coro_hv = coro->hv;
2202
2203 coro_set_status (aTHX_ coro, arg + 1, items - 1);
2204
2205 if (ecb_expect_false (coro->flags & CF_NOCANCEL))
2206 {
2207 /* coro currently busy cancelling something, so just notify it */
2208 coro->slf_frame.data = (void *)coro;
2209
2210 frame->prepare = prepare_nop;
2211 frame->check = slf_check_nop;
2212 }
2213 else if (coro_hv == (HV *)SvRV (coro_current))
2214 {
2215 /* cancelling the current coro is allowed, and equals terminate */
2216 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2217 }
2218 else
2219 {
2220 struct coro *self = SvSTATE_current;
2221
2222 /* otherwise we cancel directly, purely for speed reasons
2223 * unfortunately, this requires some magic trickery, as
2224 * somebody else could cancel us, so we have to fight the cancellation.
2225 * this is ugly, and hopefully fully worth the extra speed.
2226 * besides, I can't get the slow-but-safe version working...
2227 */
2228 slf_frame.data = 0;
2229 self->flags |= CF_NOCANCEL;
2230 coro_state_destroy (aTHX_ coro);
2231 self->flags &= ~CF_NOCANCEL;
2232
2233 if (slf_frame.data)
2234 {
2235 /* while we were busy we have been cancelled, so terminate */
2236 slf_init_terminate_cancel_common (aTHX_ frame, self->hv);
2237 }
2238 else
2239 {
2240 frame->prepare = prepare_nop;
2241 frame->check = slf_check_nop;
2242 }
2243 }
2244}
2245
2246static int
2247slf_check_safe_cancel (pTHX_ struct CoroSLF *frame)
2248{
2249 frame->prepare = 0;
2250 coro_unwind_stacks (aTHX);
2251
2252 slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current));
2253
2254 return 1;
2255}
2256
2257static int
2258safe_cancel (pTHX_ struct coro *coro, SV **arg, int items)
2259{
2260 if (coro->cctx)
2261 croak ("coro inside C callback, unable to cancel at this time, caught");
2262
2263 if (coro->flags & CF_NEW)
2264 {
2265 coro_set_status (aTHX_ coro, arg, items);
2266 coro_state_destroy (aTHX_ coro);
2267 }
2268 else
2269 {
2270 if (!coro->slf_frame.prepare)
2271 croak ("coro outside an SLF function, unable to cancel at this time, caught");
2272
2273 slf_destroy (aTHX_ coro);
2274
2275 coro_set_status (aTHX_ coro, arg, items);
2276 coro->slf_frame.prepare = prepare_nop;
2277 coro->slf_frame.check = slf_check_safe_cancel;
2278
2279 api_ready (aTHX_ (SV *)coro->hv);
2280 }
2281
2282 return 1;
2014} 2283}
2015 2284
2016/*****************************************************************************/ 2285/*****************************************************************************/
2017/* async pool handler */ 2286/* async pool handler */
2018 2287
… …
2049slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2318slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2050{ 2319{
2051 HV *hv = (HV *)SvRV (coro_current); 2320 HV *hv = (HV *)SvRV (coro_current);
2052 struct coro *coro = SvSTATE_hv ((SV *)hv); 2321 struct coro *coro = SvSTATE_hv ((SV *)hv);
2053 2322
2054 if (expect_true (coro->saved_deffh)) 2323 if (ecb_expect_true (coro->saved_deffh))
2055 { 2324 {
2056 /* subsequent iteration */ 2325 /* subsequent iteration */
2057 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 2326 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
2058 coro->saved_deffh = 0; 2327 coro->saved_deffh = 0;
2059 2328
2060 if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) 2329 if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2061 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 2330 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2062 { 2331 {
2063 coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); 2332 slf_init_terminate_cancel_common (aTHX_ frame, hv);
2064 coro->invoke_av = newAV (); 2333 return;
2065
2066 frame->prepare = prepare_nop;
2067 } 2334 }
2068 else 2335 else
2069 { 2336 {
2070 av_clear (GvAV (PL_defgv)); 2337 av_clear (GvAV (PL_defgv));
2071 hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); 2338 hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
… …
2294static void 2561static void
2295slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2562slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2296{ 2563{
2297 frame->prepare = prepare_cede_notself; 2564 frame->prepare = prepare_cede_notself;
2298 frame->check = slf_check_nop; 2565 frame->check = slf_check_nop;
2566}
2567
2568/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2569static void
2570slf_destroy (pTHX_ struct coro *coro)
2571{
2572 /* this callback is reserved for slf functions needing to do cleanup */
2573 if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty)
2574 coro->slf_frame.destroy (aTHX_ &coro->slf_frame);
2575
2576 /*
2577 * The on_destroy above most likely is from an SLF call.
2578 * Since by definition the SLF call will not finish when we destroy
2579 * the coro, we will have to force-finish it here, otherwise
2580 * cleanup functions cannot call SLF functions.
2581 */
2582 coro->slf_frame.prepare = 0;
2299} 2583}
2300 2584
2301/* 2585/*
2302 * these not obviously related functions are all rolled into one 2586 * these not obviously related functions are all rolled into one
2303 * function to increase chances that they all will call transfer with the same 2587 * function to increase chances that they all will call transfer with the same
… …
2310 I32 checkmark; /* mark SP to see how many elements check has pushed */ 2594 I32 checkmark; /* mark SP to see how many elements check has pushed */
2311 2595
2312 /* set up the slf frame, unless it has already been set-up */ 2596 /* set up the slf frame, unless it has already been set-up */
2313 /* the latter happens when a new coro has been started */ 2597 /* the latter happens when a new coro has been started */
2314 /* or when a new cctx was attached to an existing coroutine */ 2598 /* or when a new cctx was attached to an existing coroutine */
2315 if (expect_true (!slf_frame.prepare)) 2599 if (ecb_expect_true (!slf_frame.prepare))
2316 { 2600 {
2317 /* first iteration */ 2601 /* first iteration */
2318 dSP; 2602 dSP;
2319 SV **arg = PL_stack_base + TOPMARK + 1; 2603 SV **arg = PL_stack_base + TOPMARK + 1;
2320 int items = SP - arg; /* args without function object */ 2604 int items = SP - arg; /* args without function object */
… …
2361 while (slf_frame.check (aTHX_ &slf_frame)); 2645 while (slf_frame.check (aTHX_ &slf_frame));
2362 2646
2363 slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ 2647 slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */
2364 2648
2365 /* exception handling */ 2649 /* exception handling */
2366 if (expect_false (CORO_THROW)) 2650 if (ecb_expect_false (CORO_THROW))
2367 { 2651 {
2368 SV *exception = sv_2mortal (CORO_THROW); 2652 SV *exception = sv_2mortal (CORO_THROW);
2369 2653
2370 CORO_THROW = 0; 2654 CORO_THROW = 0;
2371 sv_setsv (ERRSV, exception); 2655 sv_setsv (ERRSV, exception);
2372 croak (0); 2656 croak (0);
2373 } 2657 }
2374 2658
2375 /* return value handling - mostly like entersub */ 2659 /* return value handling - mostly like entersub */
2376 /* make sure we put something on the stack in scalar context */ 2660 /* make sure we put something on the stack in scalar context */
2377 if (GIMME_V == G_SCALAR) 2661 if (GIMME_V == G_SCALAR
2662 && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1))
2378 { 2663 {
2379 dSP; 2664 dSP;
2380 SV **bot = PL_stack_base + checkmark; 2665 SV **bot = PL_stack_base + checkmark;
2381 2666
2382 if (sp == bot) /* too few, push undef */ 2667 if (sp == bot) /* too few, push undef */
2383 bot [1] = &PL_sv_undef; 2668 bot [1] = &PL_sv_undef;
2384 else if (sp != bot + 1) /* too many, take last one */ 2669 else /* too many, take last one */
2385 bot [1] = *sp; 2670 bot [1] = *sp;
2386 2671
2387 SP = bot + 1; 2672 SP = bot + 1;
2388 2673
2389 PUTBACK; 2674 PUTBACK;
… …
2496{ 2781{
2497 PerlIOBuf base; 2782 PerlIOBuf base;
2498 NV next, every; 2783 NV next, every;
2499} PerlIOCede; 2784} PerlIOCede;
2500 2785
2501static IV 2786static IV ecb_cold
2502PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) 2787PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab)
2503{ 2788{
2504 PerlIOCede *self = PerlIOSelf (f, PerlIOCede); 2789 PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
2505 2790
2506 self->every = SvCUR (arg) ? SvNV (arg) : 0.01; 2791 self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
2507 self->next = nvtime () + self->every; 2792 self->next = nvtime () + self->every;
2508 2793
2509 return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); 2794 return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
2510} 2795}
2511 2796
2512static SV * 2797static SV * ecb_cold
2513PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) 2798PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags)
2514{ 2799{
2515 PerlIOCede *self = PerlIOSelf (f, PerlIOCede); 2800 PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
2516 2801
2517 return newSVnv (self->every); 2802 return newSVnv (self->every);
… …
2629 SvREFCNT_dec (cb); 2914 SvREFCNT_dec (cb);
2630 } 2915 }
2631} 2916}
2632 2917
2633static void 2918static void
2634coro_semaphore_on_destroy (pTHX_ struct coro *coro) 2919coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)
2635{ 2920{
2636 /* call $sem->adjust (0) to possibly wake up some other waiters */ 2921 /* call $sem->adjust (0) to possibly wake up some other waiters */
2637 coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); 2922 coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0);
2638} 2923}
2639 2924
2640static int 2925static int
2641slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) 2926slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire)
2642{ 2927{
2643 AV *av = (AV *)frame->data; 2928 AV *av = (AV *)frame->data;
2644 SV *count_sv = AvARRAY (av)[0]; 2929 SV *count_sv = AvARRAY (av)[0];
2930 SV *coro_hv = SvRV (coro_current);
2645 2931
2646 /* if we are about to throw, don't actually acquire the lock, just throw */ 2932 /* if we are about to throw, don't actually acquire the lock, just throw */
2647 if (CORO_THROW) 2933 if (CORO_THROW)
2648 return 0; 2934 return 0;
2649 else if (SvIVX (count_sv) > 0) 2935 else if (SvIVX (count_sv) > 0)
2650 { 2936 {
2651 SvSTATE_current->on_destroy = 0; 2937 frame->destroy = 0;
2652 2938
2653 if (acquire) 2939 if (acquire)
2654 SvIVX (count_sv) = SvIVX (count_sv) - 1; 2940 SvIVX (count_sv) = SvIVX (count_sv) - 1;
2655 else 2941 else
2656 coro_semaphore_adjust (aTHX_ av, 0); 2942 coro_semaphore_adjust (aTHX_ av, 0);
… …
2661 { 2947 {
2662 int i; 2948 int i;
2663 /* if we were woken up but can't down, we look through the whole */ 2949 /* if we were woken up but can't down, we look through the whole */
2664 /* waiters list and only add us if we aren't in there already */ 2950 /* waiters list and only add us if we aren't in there already */
2665 /* this avoids some degenerate memory usage cases */ 2951 /* this avoids some degenerate memory usage cases */
2666 2952 for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug
2667 for (i = 1; i <= AvFILLp (av); ++i)
2668 if (AvARRAY (av)[i] == SvRV (coro_current)) 2953 if (AvARRAY (av)[i] == coro_hv)
2669 return 1; 2954 return 1;
2670 2955
2671 av_push (av, SvREFCNT_inc (SvRV (coro_current))); 2956 av_push (av, SvREFCNT_inc (coro_hv));
2672 return 1; 2957 return 1;
2673 } 2958 }
2674} 2959}
2675 2960
2676static int 2961static int
… …
2699 { 2984 {
2700 av_push (av, SvREFCNT_inc (SvRV (coro_current))); 2985 av_push (av, SvREFCNT_inc (SvRV (coro_current)));
2701 2986
2702 frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); 2987 frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av));
2703 frame->prepare = prepare_schedule; 2988 frame->prepare = prepare_schedule;
2704
2705 /* to avoid race conditions when a woken-up coro gets terminated */ 2989 /* to avoid race conditions when a woken-up coro gets terminated */
2706 /* we arrange for a temporary on_destroy that calls adjust (0) */ 2990 /* we arrange for a temporary on_destroy that calls adjust (0) */
2707 SvSTATE_current->on_destroy = coro_semaphore_on_destroy; 2991 frame->destroy = coro_semaphore_destroy;
2708 } 2992 }
2709} 2993}
2710 2994
2711static void 2995static void
2712slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2996slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
… …
2794 { 3078 {
2795 SV *cb_cv = s_get_cv_croak (arg [1]); 3079 SV *cb_cv = s_get_cv_croak (arg [1]);
2796 av_push (av, SvREFCNT_inc_NN (cb_cv)); 3080 av_push (av, SvREFCNT_inc_NN (cb_cv));
2797 3081
2798 if (SvIVX (AvARRAY (av)[0])) 3082 if (SvIVX (AvARRAY (av)[0]))
2799 coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ 3083 coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */
2800 3084
2801 frame->prepare = prepare_nop; 3085 frame->prepare = prepare_nop;
2802 frame->check = slf_check_nop; 3086 frame->check = slf_check_nop;
2803 } 3087 }
2804 else if (SvIVX (AvARRAY (av)[0])) 3088 else if (SvIVX (AvARRAY (av)[0]))
… …
2930 dSP; 3214 dSP;
2931 3215
2932 static SV *prio_cv; 3216 static SV *prio_cv;
2933 static SV *prio_sv; 3217 static SV *prio_sv;
2934 3218
2935 if (expect_false (!prio_cv)) 3219 if (ecb_expect_false (!prio_cv))
2936 { 3220 {
2937 prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); 3221 prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0);
2938 prio_sv = newSViv (0); 3222 prio_sv = newSViv (0);
2939 } 3223 }
2940 3224
… …
2966 /* now call the AIO function - we assume our request is uncancelable */ 3250 /* now call the AIO function - we assume our request is uncancelable */
2967 PUTBACK; 3251 PUTBACK;
2968 call_sv ((SV *)req, G_VOID | G_DISCARD); 3252 call_sv ((SV *)req, G_VOID | G_DISCARD);
2969 } 3253 }
2970 3254
2971 /* now that the requets is going, we loop toll we have a result */ 3255 /* now that the request is going, we loop till we have a result */
2972 frame->data = (void *)state; 3256 frame->data = (void *)state;
2973 frame->prepare = prepare_schedule; 3257 frame->prepare = prepare_schedule;
2974 frame->check = slf_check_aio_req; 3258 frame->check = slf_check_aio_req;
2975} 3259}
2976 3260
… …
3046 } 3330 }
3047 3331
3048 return coro_sv; 3332 return coro_sv;
3049} 3333}
3050 3334
3335#ifndef __cplusplus
3336ecb_cold XS(boot_Coro__State);
3337#endif
3338
3339#if CORO_JIT
3340
3341static void ecb_noinline ecb_cold
3342pushav_3uv (pTHX_ UV a, UV b, UV c)
3343{
3344 dSP;
3345 AV *av = newAV ();
3346
3347 av_store (av, 2, newSVuv (c));
3348 av_store (av, 1, newSVuv (b));
3349 av_store (av, 0, newSVuv (a));
3350
3351 XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
3352
3353 PUTBACK;
3354}
3355
3356static void ecb_noinline ecb_cold
3357jit_init (pTHX)
3358{
3359 dSP;
3360 SV *load, *save;
3361 char *map_base;
3362 char *load_ptr, *save_ptr;
3363 STRLEN load_len, save_len;
3364 int count;
3365
3366 PUSHMARK (SP);
3367 PUTBACK;
3368#define VARx(name,expr,type) pushav_3uv (aTHX_ (UV)&(expr), offsetof (perl_slots, name), sizeof (type));
3369# include "state.h"
3370#undef VARx
3371 count = call_pv ("Coro::State::_jit", G_ARRAY);
3372 SPAGAIN;
3373
3374 save = POPs; save_ptr = SvPVbyte (save, save_len);
3375 load = POPs; load_ptr = SvPVbyte (load, load_len);
3376
3377 map_base = mmap (0, load_len + save_len + 16, PROT_EXEC | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
3378
3379 assert (("Coro: unable mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));
3380
3381 load_perl_slots = (load_save_perl_slots_type)map_base;
3382 memcpy (map_base, load_ptr, load_len);
3383
3384 map_base += (load_len + 15) & ~15;
3385
3386 save_perl_slots = (load_save_perl_slots_type)map_base;
3387 memcpy (map_base, save_ptr, save_len);
3388}
3389
3390#endif
3391
3051MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 3392MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
3052 3393
3053PROTOTYPES: DISABLE 3394PROTOTYPES: DISABLE
3054 3395
3055BOOT: 3396BOOT:
… …
3059 coro_thx = PERL_GET_CONTEXT; 3400 coro_thx = PERL_GET_CONTEXT;
3060# endif 3401# endif
3061#endif 3402#endif
3062 BOOT_PAGESIZE; 3403 BOOT_PAGESIZE;
3063 3404
3405 /* perl defines these to check for existance first, but why it doesn't */
3406 /* just create them one at init time is not clear to me, except for */
3407 /* programs trying to delete them, but... */
3408 /* anyway, we declare this as invalid and make sure they are initialised here */
3409 DEFSV;
3410 ERRSV;
3411
3064 cctx_current = cctx_new_empty (); 3412 cctx_current = cctx_new_empty ();
3065 3413
3066 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 3414 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
3067 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 3415 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
3068 3416
… …
3107 coroapi.prepare_nop = prepare_nop; 3455 coroapi.prepare_nop = prepare_nop;
3108 coroapi.prepare_schedule = prepare_schedule; 3456 coroapi.prepare_schedule = prepare_schedule;
3109 coroapi.prepare_cede = prepare_cede; 3457 coroapi.prepare_cede = prepare_cede;
3110 coroapi.prepare_cede_notself = prepare_cede_notself; 3458 coroapi.prepare_cede_notself = prepare_cede_notself;
3111 3459
3112 { 3460 time_init (aTHX);
3113 SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
3114
3115 if (!svp) croak ("Time::HiRes is required");
3116 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
3117
3118 nvtime = INT2PTR (double (*)(), SvIV (*svp));
3119
3120 svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
3121 u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp));
3122 }
3123 3461
3124 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); 3462 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
3463#if CORO_JIT
3464 PUTBACK;
3465 require_pv ("Coro/jit-" CORO_JIT_TYPE ".pl");
3466 jit_init (aTHX);
3467 perl_eval_pv ("undef &Coro::State::_jit", 1);
3468 SPAGAIN;
3469#endif
3125} 3470}
3126 3471
3127SV * 3472SV *
3128new (SV *klass, ...) 3473new (SV *klass, ...)
3129 ALIAS: 3474 ALIAS:
… …
3136void 3481void
3137transfer (...) 3482transfer (...)
3138 PROTOTYPE: $$ 3483 PROTOTYPE: $$
3139 CODE: 3484 CODE:
3140 CORO_EXECUTE_SLF_XS (slf_init_transfer); 3485 CORO_EXECUTE_SLF_XS (slf_init_transfer);
3141
3142bool
3143_destroy (SV *coro_sv)
3144 CODE:
3145 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
3146 OUTPUT:
3147 RETVAL
3148 3486
3149void 3487void
3150_exit (int code) 3488_exit (int code)
3151 PROTOTYPE: $ 3489 PROTOTYPE: $
3152 CODE: 3490 CODE:
… …
3228 CODE: 3566 CODE:
3229{ 3567{
3230 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) 3568 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
3231 { 3569 {
3232 struct coro *current = SvSTATE_current; 3570 struct coro *current = SvSTATE_current;
3571 struct CoroSLF slf_save;
3233 3572
3234 if (current != coro) 3573 if (current != coro)
3235 { 3574 {
3236 PUTBACK; 3575 PUTBACK;
3237 save_perl (aTHX_ current); 3576 save_perl (aTHX_ current);
3238 load_perl (aTHX_ coro); 3577 load_perl (aTHX_ coro);
3578 /* the coro is most likely in an active SLF call.
3579 * while not strictly required (the code we execute is
3580 * not allowed to call any SLF functions), it's cleaner
3581 * to reinitialise the slf_frame and restore it later.
3582 * This might one day allow us to actually do SLF calls
3583 * from code executed here.
3584 */
3585 slf_save = slf_frame;
3586 slf_frame.prepare = 0;
3239 SPAGAIN; 3587 SPAGAIN;
3240 } 3588 }
3241 3589
3242 PUSHSTACK; 3590 PUSHSTACK;
3243 3591
… …
3253 SPAGAIN; 3601 SPAGAIN;
3254 3602
3255 if (current != coro) 3603 if (current != coro)
3256 { 3604 {
3257 PUTBACK; 3605 PUTBACK;
3606 slf_frame = slf_save;
3258 save_perl (aTHX_ coro); 3607 save_perl (aTHX_ coro);
3259 load_perl (aTHX_ current); 3608 load_perl (aTHX_ current);
3260 SPAGAIN; 3609 SPAGAIN;
3261 } 3610 }
3262 } 3611 }
… …
3267 PROTOTYPE: $ 3616 PROTOTYPE: $
3268 ALIAS: 3617 ALIAS:
3269 is_ready = CF_READY 3618 is_ready = CF_READY
3270 is_running = CF_RUNNING 3619 is_running = CF_RUNNING
3271 is_new = CF_NEW 3620 is_new = CF_NEW
3272 is_destroyed = CF_DESTROYED 3621 is_destroyed = CF_ZOMBIE
3622 is_zombie = CF_ZOMBIE
3273 is_suspended = CF_SUSPENDED 3623 is_suspended = CF_SUSPENDED
3274 CODE: 3624 CODE:
3275 RETVAL = boolSV (coro->flags & ix); 3625 RETVAL = boolSV (coro->flags & ix);
3276 OUTPUT: 3626 OUTPUT:
3277 RETVAL 3627 RETVAL
… …
3348 3698
3349void 3699void
3350cancel (Coro::State self) 3700cancel (Coro::State self)
3351 CODE: 3701 CODE:
3352 coro_state_destroy (aTHX_ self); 3702 coro_state_destroy (aTHX_ self);
3353 coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
3354
3355 3703
3356SV * 3704SV *
3357enable_times (int enabled = enable_times) 3705enable_times (int enabled = enable_times)
3358 CODE: 3706 CODE:
3359{ 3707{
… …
3374times (Coro::State self) 3722times (Coro::State self)
3375 PPCODE: 3723 PPCODE:
3376{ 3724{
3377 struct coro *current = SvSTATE (coro_current); 3725 struct coro *current = SvSTATE (coro_current);
3378 3726
3379 if (expect_false (current == self)) 3727 if (ecb_expect_false (current == self))
3380 { 3728 {
3381 coro_times_update (); 3729 coro_times_update ();
3382 coro_times_add (SvSTATE (coro_current)); 3730 coro_times_add (SvSTATE (coro_current));
3383 } 3731 }
3384 3732
3385 EXTEND (SP, 2); 3733 EXTEND (SP, 2);
3386 PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); 3734 PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));
3387 PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); 3735 PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
3388 3736
3389 if (expect_false (current == self)) 3737 if (ecb_expect_false (current == self))
3390 coro_times_sub (SvSTATE (coro_current)); 3738 coro_times_sub (SvSTATE (coro_current));
3391} 3739}
3392 3740
3393void 3741void
3394swap_sv (Coro::State coro, SV *sv, SV *swapsv) 3742swap_sv (Coro::State coro, SV *sv, SV *swapsv)
… …
3415BOOT: 3763BOOT:
3416{ 3764{
3417 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 3765 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3418 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); 3766 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3419 cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); 3767 cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3420 cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3421 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); 3768 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3422 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); 3769 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3423 av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); 3770 av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3424 sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); 3771 sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
3425 sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); 3772 sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
… …
3464 api_ready (aTHX_ RETVAL); 3811 api_ready (aTHX_ RETVAL);
3465 OUTPUT: 3812 OUTPUT:
3466 RETVAL 3813 RETVAL
3467 3814
3468void 3815void
3816_destroy (Coro::State coro)
3817 CODE:
3818 /* used by the manager thread */
3819 coro_state_destroy (aTHX_ coro);
3820
3821void
3822on_destroy (Coro::State coro, SV *cb)
3823 CODE:
3824 coro_push_on_destroy (aTHX_ coro, newSVsv (cb));
3825
3826void
3827join (...)
3828 CODE:
3829 CORO_EXECUTE_SLF_XS (slf_init_join);
3830
3831void
3469terminate (...) 3832terminate (...)
3470 CODE: 3833 CODE:
3471 CORO_EXECUTE_SLF_XS (slf_init_terminate); 3834 CORO_EXECUTE_SLF_XS (slf_init_terminate);
3835
3836void
3837cancel (...)
3838 CODE:
3839 CORO_EXECUTE_SLF_XS (slf_init_cancel);
3840
3841int
3842safe_cancel (Coro::State self, ...)
3843 C_ARGS: aTHX_ self, &ST (1), items - 1
3472 3844
3473void 3845void
3474schedule (...) 3846schedule (...)
3475 CODE: 3847 CODE:
3476 CORO_EXECUTE_SLF_XS (slf_init_schedule); 3848 CORO_EXECUTE_SLF_XS (slf_init_schedule);
… …
3873 { 4245 {
3874 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; 4246 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
3875 coro_old_pp_sselect = 0; 4247 coro_old_pp_sselect = 0;
3876 } 4248 }
3877 4249
3878

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