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Comparing Coro/Coro/State.xs (file contents):
Revision 1.316 by root, Thu Nov 20 06:01:40 2008 UTC vs.
Revision 1.365 by root, Mon Jul 20 16:18:30 2009 UTC

… …
6#include "EXTERN.h" 6#include "EXTERN.h"
7#include "perl.h" 7#include "perl.h"
8#include "XSUB.h" 8#include "XSUB.h"
9#include "perliol.h" 9#include "perliol.h"
10 10
11#include "patchlevel.h" 11#include "schmorp.h"
12 12
13#include <stdio.h> 13#include <stdio.h>
14#include <errno.h> 14#include <errno.h>
15#include <assert.h> 15#include <assert.h>
16 16
… …
51#endif 51#endif
52 52
53/* the maximum number of idle cctx that will be pooled */ 53/* the maximum number of idle cctx that will be pooled */
54static int cctx_max_idle = 4; 54static int cctx_max_idle = 4;
55 55
56#define PERL_VERSION_ATLEAST(a,b,c) \
57 (PERL_REVISION > (a) \
58 || (PERL_REVISION == (a) \
59 && (PERL_VERSION > (b) \
60 || (PERL_VERSION == (b) && PERL_SUBVERSION >= (c)))))
61
62#if !PERL_VERSION_ATLEAST (5,6,0)
63# ifndef PL_ppaddr
64# define PL_ppaddr ppaddr
65# endif
66# ifndef call_sv
67# define call_sv perl_call_sv
68# endif
69# ifndef get_sv
70# define get_sv perl_get_sv
71# endif
72# ifndef get_cv
73# define get_cv perl_get_cv
74# endif
75# ifndef IS_PADGV
76# define IS_PADGV(v) 0
77# endif
78# ifndef IS_PADCONST
79# define IS_PADCONST(v) 0
80# endif
81#endif
82
83/* 5.11 */
84#ifndef CxHASARGS
85# define CxHASARGS(cx) (cx)->blk_sub.hasargs
86#endif
87
88/* 5.10.0 */
89#ifndef SvREFCNT_inc_NN
90# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
91#endif
92
93/* 5.8.8 */
94#ifndef GV_NOTQUAL
95# define GV_NOTQUAL 0
96#endif
97#ifndef newSV
98# define newSV(l) NEWSV(0,l)
99#endif
100#ifndef CvISXSUB_on
101# define CvISXSUB_on(cv) (void)cv
102#endif
103#ifndef CvISXSUB
104# define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE)
105#endif
106
107/* 5.8.7 */
108#ifndef SvRV_set
109# define SvRV_set(s,v) SvRV(s) = (v)
110#endif
111
112#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 56#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
113# undef CORO_STACKGUARD 57# undef CORO_STACKGUARD
114#endif 58#endif
115 59
116#ifndef CORO_STACKGUARD 60#ifndef CORO_STACKGUARD
… …
130#else 74#else
131# define dSTACKLEVEL volatile void *stacklevel 75# define dSTACKLEVEL volatile void *stacklevel
132# define STACKLEVEL ((void *)&stacklevel) 76# define STACKLEVEL ((void *)&stacklevel)
133#endif 77#endif
134 78
135#define IN_DESTRUCT (PL_main_cv == Nullcv) 79#define IN_DESTRUCT PL_dirty
136 80
137#if __GNUC__ >= 3 81#if __GNUC__ >= 3
138# define attribute(x) __attribute__(x) 82# define attribute(x) __attribute__(x)
139# define expect(expr,value) __builtin_expect ((expr),(value)) 83# define expect(expr,value) __builtin_expect ((expr), (value))
140# define INLINE static inline 84# define INLINE static inline
141#else 85#else
142# define attribute(x) 86# define attribute(x)
143# define expect(expr,value) (expr) 87# define expect(expr,value) (expr)
144# define INLINE static 88# define INLINE static
… …
156# if CORO_PTHREAD 100# if CORO_PTHREAD
157static void *coro_thx; 101static void *coro_thx;
158# endif 102# endif
159#endif 103#endif
160 104
105#ifdef __linux
106# include <time.h> /* for timespec */
107# include <syscall.h> /* for SYS_* */
108# ifdef SYS_clock_gettime
109# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
110# define CORO_CLOCK_MONOTONIC 1
111# define CORO_CLOCK_THREAD_CPUTIME_ID 3
112# endif
113#endif
114
161static double (*nvtime)(); /* so why doesn't it take void? */ 115static double (*nvtime)(); /* so why doesn't it take void? */
116static void (*u2time)(pTHX_ UV ret[2]);
162 117
163/* we hijack an hopefully unused CV flag for our purposes */ 118/* we hijack an hopefully unused CV flag for our purposes */
164#define CVf_SLF 0x4000 119#define CVf_SLF 0x4000
165static OP *pp_slf (pTHX); 120static OP *pp_slf (pTHX);
166 121
… …
170static AV *main_mainstack; /* used to differentiate between $main and others */ 125static AV *main_mainstack; /* used to differentiate between $main and others */
171static JMPENV *main_top_env; 126static JMPENV *main_top_env;
172static HV *coro_state_stash, *coro_stash; 127static HV *coro_state_stash, *coro_stash;
173static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ 128static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */
174 129
130static AV *av_destroy; /* destruction queue */
131static SV *sv_manager; /* the manager coro */
132static SV *sv_idle; /* $Coro::idle */
133
175static GV *irsgv; /* $/ */ 134static GV *irsgv; /* $/ */
176static GV *stdoutgv; /* *STDOUT */ 135static GV *stdoutgv; /* *STDOUT */
177static SV *rv_diehook; 136static SV *rv_diehook;
178static SV *rv_warnhook; 137static SV *rv_warnhook;
179static HV *hv_sig; /* %SIG */ 138static HV *hv_sig; /* %SIG */
180 139
181/* async_pool helper stuff */ 140/* async_pool helper stuff */
182static SV *sv_pool_rss; 141static SV *sv_pool_rss;
183static SV *sv_pool_size; 142static SV *sv_pool_size;
184static SV *sv_async_pool_idle; 143static SV *sv_async_pool_idle; /* description string */
185static AV *av_async_pool; 144static AV *av_async_pool; /* idle pool */
186static SV *sv_Coro; 145static SV *sv_Coro; /* class string */
187static CV *cv_pool_handler; 146static CV *cv_pool_handler;
188static CV *cv_coro_state_new; 147static CV *cv_coro_state_new;
189 148
190/* Coro::AnyEvent */ 149/* Coro::AnyEvent */
191static SV *sv_activity; 150static SV *sv_activity;
151
152/* enable processtime/realtime profiling */
153static char enable_times;
154typedef U32 coro_ts[2];
155static coro_ts time_real, time_cpu;
156static char times_valid;
192 157
193static struct coro_cctx *cctx_first; 158static struct coro_cctx *cctx_first;
194static int cctx_count, cctx_idle; 159static int cctx_count, cctx_idle;
195 160
196enum { 161enum {
… …
222 int valgrind_id; 187 int valgrind_id;
223#endif 188#endif
224 unsigned char flags; 189 unsigned char flags;
225} coro_cctx; 190} coro_cctx;
226 191
192coro_cctx *cctx_current; /* the currently running cctx */
193
194/*****************************************************************************/
195
227enum { 196enum {
228 CF_RUNNING = 0x0001, /* coroutine is running */ 197 CF_RUNNING = 0x0001, /* coroutine is running */
229 CF_READY = 0x0002, /* coroutine is ready */ 198 CF_READY = 0x0002, /* coroutine is ready */
230 CF_NEW = 0x0004, /* has never been switched to */ 199 CF_NEW = 0x0004, /* has never been switched to */
231 CF_DESTROYED = 0x0008, /* coroutine data has been freed */ 200 CF_DESTROYED = 0x0008, /* coroutine data has been freed */
201 CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
232}; 202};
233 203
234/* the structure where most of the perl state is stored, overlaid on the cxstack */ 204/* the structure where most of the perl state is stored, overlaid on the cxstack */
235typedef struct 205typedef struct
236{ 206{
237 SV *defsv; 207 SV *defsv;
238 AV *defav; 208 AV *defav;
239 SV *errsv; 209 SV *errsv;
240 SV *irsgv; 210 SV *irsgv;
211 HV *hinthv;
241#define VAR(name,type) type name; 212#define VAR(name,type) type name;
242# include "state.h" 213# include "state.h"
243#undef VAR 214#undef VAR
244} perl_slots; 215} perl_slots;
245 216
… …
247 218
248/* this is a structure representing a perl-level coroutine */ 219/* this is a structure representing a perl-level coroutine */
249struct coro { 220struct coro {
250 /* the C coroutine allocated to this perl coroutine, if any */ 221 /* the C coroutine allocated to this perl coroutine, if any */
251 coro_cctx *cctx; 222 coro_cctx *cctx;
223
224 /* ready queue */
225 struct coro *next_ready;
252 226
253 /* state data */ 227 /* state data */
254 struct CoroSLF slf_frame; /* saved slf frame */ 228 struct CoroSLF slf_frame; /* saved slf frame */
255 AV *mainstack; 229 AV *mainstack;
256 perl_slots *slot; /* basically the saved sp */ 230 perl_slots *slot; /* basically the saved sp */
… …
273 /* async_pool */ 247 /* async_pool */
274 SV *saved_deffh; 248 SV *saved_deffh;
275 SV *invoke_cb; 249 SV *invoke_cb;
276 AV *invoke_av; 250 AV *invoke_av;
277 251
252 /* on_enter/on_leave */
253 AV *on_enter;
254 AV *on_leave;
255
256 /* times */
257 coro_ts t_cpu, t_real;
258
278 /* linked list */ 259 /* linked list */
279 struct coro *next, *prev; 260 struct coro *next, *prev;
280}; 261};
281 262
282typedef struct coro *Coro__State; 263typedef struct coro *Coro__State;
… …
287/* the mainr easonw e don't support windows process emulation */ 268/* the mainr easonw e don't support windows process emulation */
288static struct CoroSLF slf_frame; /* the current slf frame */ 269static struct CoroSLF slf_frame; /* the current slf frame */
289 270
290/** Coro ********************************************************************/ 271/** Coro ********************************************************************/
291 272
292#define PRIO_MAX 3 273#define CORO_PRIO_MAX 3
293#define PRIO_HIGH 1 274#define CORO_PRIO_HIGH 1
294#define PRIO_NORMAL 0 275#define CORO_PRIO_NORMAL 0
295#define PRIO_LOW -1 276#define CORO_PRIO_LOW -1
296#define PRIO_IDLE -3 277#define CORO_PRIO_IDLE -3
297#define PRIO_MIN -4 278#define CORO_PRIO_MIN -4
298 279
299/* for Coro.pm */ 280/* for Coro.pm */
300static SV *coro_current; 281static SV *coro_current;
301static SV *coro_readyhook; 282static SV *coro_readyhook;
302static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; 283static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */
303static CV *cv_coro_run, *cv_coro_terminate; 284static CV *cv_coro_run, *cv_coro_terminate;
304static struct coro *coro_first; 285static struct coro *coro_first;
305#define coro_nready coroapi.nready 286#define coro_nready coroapi.nready
287
288/** Coro::Select ************************************************************/
289
290static OP *(*coro_old_pp_sselect) (pTHX);
291static SV *coro_select_select;
292
293/* horrible hack, but if it works... */
294static OP *
295coro_pp_sselect (aTHX)
296{
297 dSP;
298 PUSHMARK (SP - 4); /* fake argument list */
299 XPUSHs (coro_select_select);
300 PUTBACK;
301
302 /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */
303 PL_op->op_flags |= OPf_STACKED;
304 PL_op->op_private = 0;
305 return PL_ppaddr [OP_ENTERSUB](aTHX);
306}
306 307
307/** lowlevel stuff **********************************************************/ 308/** lowlevel stuff **********************************************************/
308 309
309static SV * 310static SV *
310coro_get_sv (pTHX_ const char *name, int create) 311coro_get_sv (pTHX_ const char *name, int create)
… …
334 get_hv (name, create); 335 get_hv (name, create);
335#endif 336#endif
336 return get_hv (name, create); 337 return get_hv (name, create);
337} 338}
338 339
339/* may croak */ 340INLINE void
340INLINE CV * 341coro_times_update ()
341coro_sv_2cv (pTHX_ SV *sv)
342{ 342{
343#ifdef coro_clock_gettime
344 struct timespec ts;
345
346 ts.tv_sec = ts.tv_nsec = 0;
347 coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts);
348 time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec;
349
350 ts.tv_sec = ts.tv_nsec = 0;
351 coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts);
352 time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec;
353#else
354 dTHX;
355 UV tv[2];
356
357 u2time (aTHX_ tv);
358 time_real [0] = tv [0];
359 time_real [1] = tv [1] * 1000;
360#endif
361}
362
363INLINE void
364coro_times_add (struct coro *c)
365{
366 c->t_real [1] += time_real [1];
367 if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
368 c->t_real [0] += time_real [0];
369
370 c->t_cpu [1] += time_cpu [1];
371 if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
372 c->t_cpu [0] += time_cpu [0];
373}
374
375INLINE void
376coro_times_sub (struct coro *c)
377{
378 if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
379 c->t_real [1] -= time_real [1];
380 c->t_real [0] -= time_real [0];
381
382 if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; }
383 c->t_cpu [1] -= time_cpu [1];
384 c->t_cpu [0] -= time_cpu [0];
385}
386
387/*****************************************************************************/
388/* magic glue */
389
390#define CORO_MAGIC_type_cv 26
391#define CORO_MAGIC_type_state PERL_MAGIC_ext
392
393#define CORO_MAGIC_NN(sv, type) \
394 (expect_true (SvMAGIC (sv)->mg_type == type) \
395 ? SvMAGIC (sv) \
396 : mg_find (sv, type))
397
398#define CORO_MAGIC(sv, type) \
399 (expect_true (SvMAGIC (sv)) \
400 ? CORO_MAGIC_NN (sv, type) \
401 : 0)
402
403#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
404#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
405
406INLINE struct coro *
407SvSTATE_ (pTHX_ SV *coro)
408{
343 HV *st; 409 HV *stash;
344 GV *gvp; 410 MAGIC *mg;
345 return sv_2cv (sv, &st, &gvp, 0); 411
412 if (SvROK (coro))
413 coro = SvRV (coro);
414
415 if (expect_false (SvTYPE (coro) != SVt_PVHV))
416 croak ("Coro::State object required");
417
418 stash = SvSTASH (coro);
419 if (expect_false (stash != coro_stash && stash != coro_state_stash))
420 {
421 /* very slow, but rare, check */
422 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
423 croak ("Coro::State object required");
424 }
425
426 mg = CORO_MAGIC_state (coro);
427 return (struct coro *)mg->mg_ptr;
346} 428}
429
430#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
431
432/* faster than SvSTATE, but expects a coroutine hv */
433#define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr)
434#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
435
436/*****************************************************************************/
437/* padlist management and caching */
347 438
348static AV * 439static AV *
349coro_clone_padlist (pTHX_ CV *cv) 440coro_derive_padlist (pTHX_ CV *cv)
350{ 441{
351 AV *padlist = CvPADLIST (cv); 442 AV *padlist = CvPADLIST (cv);
352 AV *newpadlist, *newpad; 443 AV *newpadlist, *newpad;
353 444
354 newpadlist = newAV (); 445 newpadlist = newAV ();
… …
359 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); 450 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
360#endif 451#endif
361 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; 452 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
362 --AvFILLp (padlist); 453 --AvFILLp (padlist);
363 454
364 av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); 455 av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
365 av_store (newpadlist, 1, (SV *)newpad); 456 av_store (newpadlist, 1, (SV *)newpad);
366 457
367 return newpadlist; 458 return newpadlist;
368} 459}
369 460
370static void 461static void
371free_padlist (pTHX_ AV *padlist) 462free_padlist (pTHX_ AV *padlist)
372{ 463{
373 /* may be during global destruction */ 464 /* may be during global destruction */
374 if (SvREFCNT (padlist)) 465 if (!IN_DESTRUCT)
375 { 466 {
376 I32 i = AvFILLp (padlist); 467 I32 i = AvFILLp (padlist);
377 while (i >= 0) 468
469 while (i > 0) /* special-case index 0 */
378 { 470 {
379 SV **svp = av_fetch (padlist, i--, FALSE); 471 /* we try to be extra-careful here */
380 if (svp) 472 AV *av = (AV *)AvARRAY (padlist)[i--];
381 { 473 I32 j = AvFILLp (av);
382 SV *sv; 474
383 while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) 475 while (j >= 0)
476 SvREFCNT_dec (AvARRAY (av)[j--]);
477
478 AvFILLp (av) = -1;
384 SvREFCNT_dec (sv); 479 SvREFCNT_dec (av);
385
386 SvREFCNT_dec (*svp);
387 }
388 } 480 }
389 481
482 SvREFCNT_dec (AvARRAY (padlist)[0]);
483
484 AvFILLp (padlist) = -1;
390 SvREFCNT_dec ((SV*)padlist); 485 SvREFCNT_dec ((SV*)padlist);
391 } 486 }
392} 487}
393 488
394static int 489static int
395coro_cv_free (pTHX_ SV *sv, MAGIC *mg) 490coro_cv_free (pTHX_ SV *sv, MAGIC *mg)
396{ 491{
397 AV *padlist; 492 AV *padlist;
398 AV *av = (AV *)mg->mg_obj; 493 AV *av = (AV *)mg->mg_obj;
494
495 /* perl manages to free our internal AV and _then_ call us */
496 if (IN_DESTRUCT)
497 return 0;
399 498
400 /* casting is fun. */ 499 /* casting is fun. */
401 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) 500 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
402 free_padlist (aTHX_ padlist); 501 free_padlist (aTHX_ padlist);
403 502
404 SvREFCNT_dec (av); /* sv_magicext increased the refcount */ 503 SvREFCNT_dec (av); /* sv_magicext increased the refcount */
405 504
406 return 0; 505 return 0;
407} 506}
408
409#define CORO_MAGIC_type_cv 26
410#define CORO_MAGIC_type_state PERL_MAGIC_ext
411 507
412static MGVTBL coro_cv_vtbl = { 508static MGVTBL coro_cv_vtbl = {
413 0, 0, 0, 0, 509 0, 0, 0, 0,
414 coro_cv_free 510 coro_cv_free
415}; 511};
416
417#define CORO_MAGIC_NN(sv, type) \
418 (expect_true (SvMAGIC (sv)->mg_type == type) \
419 ? SvMAGIC (sv) \
420 : mg_find (sv, type))
421
422#define CORO_MAGIC(sv, type) \
423 (expect_true (SvMAGIC (sv)) \
424 ? CORO_MAGIC_NN (sv, type) \
425 : 0)
426
427#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
428#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
429
430INLINE struct coro *
431SvSTATE_ (pTHX_ SV *coro)
432{
433 HV *stash;
434 MAGIC *mg;
435
436 if (SvROK (coro))
437 coro = SvRV (coro);
438
439 if (expect_false (SvTYPE (coro) != SVt_PVHV))
440 croak ("Coro::State object required");
441
442 stash = SvSTASH (coro);
443 if (expect_false (stash != coro_stash && stash != coro_state_stash))
444 {
445 /* very slow, but rare, check */
446 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
447 croak ("Coro::State object required");
448 }
449
450 mg = CORO_MAGIC_state (coro);
451 return (struct coro *)mg->mg_ptr;
452}
453
454#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
455
456/* faster than SvSTATE, but expects a coroutine hv */
457#define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr)
458#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
459 512
460/* the next two functions merely cache the padlists */ 513/* the next two functions merely cache the padlists */
461static void 514static void
462get_padlist (pTHX_ CV *cv) 515get_padlist (pTHX_ CV *cv)
463{ 516{
… …
474 CV *cp = Perl_cv_clone (aTHX_ cv); 527 CV *cp = Perl_cv_clone (aTHX_ cv);
475 CvPADLIST (cv) = CvPADLIST (cp); 528 CvPADLIST (cv) = CvPADLIST (cp);
476 CvPADLIST (cp) = 0; 529 CvPADLIST (cp) = 0;
477 SvREFCNT_dec (cp); 530 SvREFCNT_dec (cp);
478#else 531#else
479 CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); 532 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
480#endif 533#endif
481 } 534 }
482} 535}
483 536
484static void 537static void
… …
491 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); 544 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
492 545
493 av = (AV *)mg->mg_obj; 546 av = (AV *)mg->mg_obj;
494 547
495 if (expect_false (AvFILLp (av) >= AvMAX (av))) 548 if (expect_false (AvFILLp (av) >= AvMAX (av)))
496 av_extend (av, AvMAX (av) + 1); 549 av_extend (av, AvFILLp (av) + 1);
497 550
498 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 551 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
499} 552}
500 553
501/** load & save, init *******************************************************/ 554/** load & save, init *******************************************************/
555
556static void
557on_enterleave_call (pTHX_ SV *cb);
502 558
503static void 559static void
504load_perl (pTHX_ Coro__State c) 560load_perl (pTHX_ Coro__State c)
505{ 561{
506 perl_slots *slot = c->slot; 562 perl_slots *slot = c->slot;
507 c->slot = 0; 563 c->slot = 0;
508 564
509 PL_mainstack = c->mainstack; 565 PL_mainstack = c->mainstack;
510 566
511 GvSV (PL_defgv) = slot->defsv; 567 GvSV (PL_defgv) = slot->defsv;
512 GvAV (PL_defgv) = slot->defav; 568 GvAV (PL_defgv) = slot->defav;
513 GvSV (PL_errgv) = slot->errsv; 569 GvSV (PL_errgv) = slot->errsv;
514 GvSV (irsgv) = slot->irsgv; 570 GvSV (irsgv) = slot->irsgv;
571 GvHV (PL_hintgv) = slot->hinthv;
515 572
516 #define VAR(name,type) PL_ ## name = slot->name; 573 #define VAR(name,type) PL_ ## name = slot->name;
517 # include "state.h" 574 # include "state.h"
518 #undef VAR 575 #undef VAR
519 576
… …
533 PUTBACK; 590 PUTBACK;
534 } 591 }
535 592
536 slf_frame = c->slf_frame; 593 slf_frame = c->slf_frame;
537 CORO_THROW = c->except; 594 CORO_THROW = c->except;
595
596 if (expect_false (enable_times))
597 {
598 if (expect_false (!times_valid))
599 coro_times_update ();
600
601 coro_times_sub (c);
602 }
603
604 if (expect_false (c->on_enter))
605 {
606 int i;
607
608 for (i = 0; i <= AvFILLp (c->on_enter); ++i)
609 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
610 }
538} 611}
539 612
540static void 613static void
541save_perl (pTHX_ Coro__State c) 614save_perl (pTHX_ Coro__State c)
542{ 615{
616 if (expect_false (c->on_leave))
617 {
618 int i;
619
620 for (i = AvFILLp (c->on_leave); i >= 0; --i)
621 on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
622 }
623
624 times_valid = 0;
625
626 if (expect_false (enable_times))
627 {
628 coro_times_update (); times_valid = 1;
629 coro_times_add (c);
630 }
631
543 c->except = CORO_THROW; 632 c->except = CORO_THROW;
544 c->slf_frame = slf_frame; 633 c->slf_frame = slf_frame;
545 634
546 { 635 {
547 dSP; 636 dSP;
… …
560 { 649 {
561 while (expect_true (cxix >= 0)) 650 while (expect_true (cxix >= 0))
562 { 651 {
563 PERL_CONTEXT *cx = &ccstk[cxix--]; 652 PERL_CONTEXT *cx = &ccstk[cxix--];
564 653
565 if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) 654 if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT))
566 { 655 {
567 CV *cv = cx->blk_sub.cv; 656 CV *cv = cx->blk_sub.cv;
568 657
569 if (expect_true (CvDEPTH (cv))) 658 if (expect_true (CvDEPTH (cv)))
570 { 659 {
… …
594 /* we manually unroll here, as usually 2 slots is enough */ 683 /* we manually unroll here, as usually 2 slots is enough */
595 if (SLOT_COUNT >= 1) CXINC; 684 if (SLOT_COUNT >= 1) CXINC;
596 if (SLOT_COUNT >= 2) CXINC; 685 if (SLOT_COUNT >= 2) CXINC;
597 if (SLOT_COUNT >= 3) CXINC; 686 if (SLOT_COUNT >= 3) CXINC;
598 { 687 {
599 int i; 688 unsigned int i;
600 for (i = 3; i < SLOT_COUNT; ++i) 689 for (i = 3; i < SLOT_COUNT; ++i)
601 CXINC; 690 CXINC;
602 } 691 }
603 cxstack_ix -= SLOT_COUNT; /* undo allocation */ 692 cxstack_ix -= SLOT_COUNT; /* undo allocation */
604 693
605 c->mainstack = PL_mainstack; 694 c->mainstack = PL_mainstack;
606 695
607 { 696 {
608 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); 697 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
609 698
610 slot->defav = GvAV (PL_defgv); 699 slot->defav = GvAV (PL_defgv);
611 slot->defsv = DEFSV; 700 slot->defsv = DEFSV;
612 slot->errsv = ERRSV; 701 slot->errsv = ERRSV;
613 slot->irsgv = GvSV (irsgv); 702 slot->irsgv = GvSV (irsgv);
703 slot->hinthv = GvHV (PL_hintgv);
614 704
615 #define VAR(name,type) slot->name = PL_ ## name; 705 #define VAR(name,type) slot->name = PL_ ## name;
616 # include "state.h" 706 # include "state.h"
617 #undef VAR 707 #undef VAR
618 } 708 }
… …
745#endif 835#endif
746 836
747/* 837/*
748 * This overrides the default magic get method of %SIG elements. 838 * This overrides the default magic get method of %SIG elements.
749 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook 839 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook
750 * and instead of tryign to save and restore the hash elements, we just provide 840 * and instead of trying to save and restore the hash elements, we just provide
751 * readback here. 841 * readback here.
752 * We only do this when the hook is != 0, as they are often set to 0 temporarily,
753 * not expecting this to actually change the hook. This is a potential problem
754 * when a schedule happens then, but we ignore this.
755 */ 842 */
756static int 843static int
757coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) 844coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
758{ 845{
759 const char *s = MgPV_nolen_const (mg); 846 const char *s = MgPV_nolen_const (mg);
… …
812 if (strEQ (s, "__WARN__")) svp = &PL_warnhook; 899 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
813 900
814 if (svp) 901 if (svp)
815 { 902 {
816 SV *old = *svp; 903 SV *old = *svp;
817 *svp = newSVsv (sv); 904 *svp = SvOK (sv) ? newSVsv (sv) : 0;
818 SvREFCNT_dec (old); 905 SvREFCNT_dec (old);
819 return 0; 906 return 0;
820 } 907 }
821 } 908 }
822 909
… …
832 919
833static int 920static int
834slf_check_nop (pTHX_ struct CoroSLF *frame) 921slf_check_nop (pTHX_ struct CoroSLF *frame)
835{ 922{
836 return 0; 923 return 0;
924}
925
926static int
927slf_check_repeat (pTHX_ struct CoroSLF *frame)
928{
929 return 1;
837} 930}
838 931
839static UNOP coro_setup_op; 932static UNOP coro_setup_op;
840 933
841static void NOINLINE /* noinline to keep it out of the transfer fast path */ 934static void NOINLINE /* noinline to keep it out of the transfer fast path */
… …
848 941
849 PL_runops = RUNOPS_DEFAULT; 942 PL_runops = RUNOPS_DEFAULT;
850 PL_curcop = &PL_compiling; 943 PL_curcop = &PL_compiling;
851 PL_in_eval = EVAL_NULL; 944 PL_in_eval = EVAL_NULL;
852 PL_comppad = 0; 945 PL_comppad = 0;
946 PL_comppad_name = 0;
947 PL_comppad_name_fill = 0;
948 PL_comppad_name_floor = 0;
853 PL_curpm = 0; 949 PL_curpm = 0;
854 PL_curpad = 0; 950 PL_curpad = 0;
855 PL_localizing = 0; 951 PL_localizing = 0;
856 PL_dirty = 0; 952 PL_dirty = 0;
857 PL_restartop = 0; 953 PL_restartop = 0;
858#if PERL_VERSION_ATLEAST (5,10,0) 954#if PERL_VERSION_ATLEAST (5,10,0)
859 PL_parser = 0; 955 PL_parser = 0;
860#endif 956#endif
957 PL_hints = 0;
861 958
862 /* recreate the die/warn hooks */ 959 /* recreate the die/warn hooks */
863 PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); 960 PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
864 PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); 961 PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
865 962
866 GvSV (PL_defgv) = newSV (0); 963 GvSV (PL_defgv) = newSV (0);
867 GvAV (PL_defgv) = coro->args; coro->args = 0; 964 GvAV (PL_defgv) = coro->args; coro->args = 0;
868 GvSV (PL_errgv) = newSV (0); 965 GvSV (PL_errgv) = newSV (0);
869 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 966 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
967 GvHV (PL_hintgv) = 0;
870 PL_rs = newSVsv (GvSV (irsgv)); 968 PL_rs = newSVsv (GvSV (irsgv));
871 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); 969 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
872 970
873 { 971 {
874 dSP; 972 dSP;
… …
892 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ 990 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
893 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ 991 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
894 992
895 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ 993 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
896 coro_setup_op.op_next = PL_op; 994 coro_setup_op.op_next = PL_op;
897 coro_setup_op.op_type = OP_CUSTOM; 995 coro_setup_op.op_type = OP_ENTERSUB;
898 coro_setup_op.op_ppaddr = pp_slf; 996 coro_setup_op.op_ppaddr = pp_slf;
899 /* no flags etc. required, as an init function won't be called */ 997 /* no flags etc. required, as an init function won't be called */
900 998
901 PL_op = (OP *)&coro_setup_op; 999 PL_op = (OP *)&coro_setup_op;
902 1000
903 /* copy throw, in case it was set before coro_setup */ 1001 /* copy throw, in case it was set before coro_setup */
904 CORO_THROW = coro->except; 1002 CORO_THROW = coro->except;
905}
906 1003
1004 if (expect_false (enable_times))
1005 {
1006 coro_times_update ();
1007 coro_times_sub (coro);
1008 }
1009}
1010
907static void 1011static void
908coro_destruct (pTHX_ struct coro *coro) 1012coro_unwind_stacks (pTHX)
909{ 1013{
910 if (!IN_DESTRUCT) 1014 if (!IN_DESTRUCT)
911 { 1015 {
912 /* restore all saved variables and stuff */ 1016 /* restore all saved variables and stuff */
913 LEAVE_SCOPE (0); 1017 LEAVE_SCOPE (0);
… …
921 POPSTACK_TO (PL_mainstack); 1025 POPSTACK_TO (PL_mainstack);
922 1026
923 /* unwind main stack */ 1027 /* unwind main stack */
924 dounwind (-1); 1028 dounwind (-1);
925 } 1029 }
1030}
926 1031
927 SvREFCNT_dec (GvSV (PL_defgv)); 1032static void
928 SvREFCNT_dec (GvAV (PL_defgv)); 1033coro_destruct_perl (pTHX_ struct coro *coro)
929 SvREFCNT_dec (GvSV (PL_errgv)); 1034{
930 SvREFCNT_dec (PL_defoutgv); 1035 SV *svf [9];
931 SvREFCNT_dec (PL_rs);
932 SvREFCNT_dec (GvSV (irsgv));
933 1036
934 SvREFCNT_dec (PL_diehook);
935 SvREFCNT_dec (PL_warnhook);
936 1037 {
1038 struct coro *current = SvSTATE_current;
1039
1040 assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1041
1042 save_perl (aTHX_ current);
1043 load_perl (aTHX_ coro);
1044
1045 coro_unwind_stacks (aTHX);
1046 coro_destruct_stacks (aTHX);
1047
1048 // now save some sv's to be free'd later
1049 svf [0] = GvSV (PL_defgv);
1050 svf [1] = (SV *)GvAV (PL_defgv);
1051 svf [2] = GvSV (PL_errgv);
1052 svf [3] = (SV *)PL_defoutgv;
1053 svf [4] = PL_rs;
1054 svf [5] = GvSV (irsgv);
1055 svf [6] = (SV *)GvHV (PL_hintgv);
1056 svf [7] = PL_diehook;
1057 svf [8] = PL_warnhook;
1058 assert (9 == sizeof (svf) / sizeof (*svf));
1059
1060 load_perl (aTHX_ current);
1061 }
1062
1063 {
1064 unsigned int i;
1065
1066 for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
1067 SvREFCNT_dec (svf [i]);
1068
937 SvREFCNT_dec (coro->saved_deffh); 1069 SvREFCNT_dec (coro->saved_deffh);
938 SvREFCNT_dec (coro->rouse_cb); 1070 SvREFCNT_dec (coro->rouse_cb);
939 SvREFCNT_dec (coro->invoke_cb); 1071 SvREFCNT_dec (coro->invoke_cb);
940 SvREFCNT_dec (coro->invoke_av); 1072 SvREFCNT_dec (coro->invoke_av);
941 1073 }
942 coro_destruct_stacks (aTHX);
943} 1074}
944 1075
945INLINE void 1076INLINE void
946free_coro_mortal (pTHX) 1077free_coro_mortal (pTHX)
947{ 1078{
… …
955static int 1086static int
956runops_trace (pTHX) 1087runops_trace (pTHX)
957{ 1088{
958 COP *oldcop = 0; 1089 COP *oldcop = 0;
959 int oldcxix = -2; 1090 int oldcxix = -2;
960 struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */
961 coro_cctx *cctx = coro->cctx;
962 1091
963 while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) 1092 while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
964 { 1093 {
965 PERL_ASYNC_CHECK (); 1094 PERL_ASYNC_CHECK ();
966 1095
967 if (cctx->flags & CC_TRACE_ALL) 1096 if (cctx_current->flags & CC_TRACE_ALL)
968 { 1097 {
969 if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) 1098 if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
970 { 1099 {
971 PERL_CONTEXT *cx = &cxstack[cxstack_ix]; 1100 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
972 SV **bot, **top; 1101 SV **bot, **top;
973 AV *av = newAV (); /* return values */ 1102 AV *av = newAV (); /* return values */
974 SV **cb; 1103 SV **cb;
… …
1011 1140
1012 if (PL_curcop != &PL_compiling) 1141 if (PL_curcop != &PL_compiling)
1013 { 1142 {
1014 SV **cb; 1143 SV **cb;
1015 1144
1016 if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) 1145 if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1017 { 1146 {
1018 PERL_CONTEXT *cx = &cxstack[cxstack_ix]; 1147 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1019 1148
1020 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) 1149 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1021 { 1150 {
1022 runops_proc_t old_runops = PL_runops;
1023 dSP; 1151 dSP;
1024 GV *gv = CvGV (cx->blk_sub.cv); 1152 GV *gv = CvGV (cx->blk_sub.cv);
1025 SV *fullname = sv_2mortal (newSV (0)); 1153 SV *fullname = sv_2mortal (newSV (0));
1026 1154
1027 if (isGV (gv)) 1155 if (isGV (gv))
… …
1045 } 1173 }
1046 1174
1047 oldcxix = cxstack_ix; 1175 oldcxix = cxstack_ix;
1048 } 1176 }
1049 1177
1050 if (cctx->flags & CC_TRACE_LINE) 1178 if (cctx_current->flags & CC_TRACE_LINE)
1051 { 1179 {
1052 dSP; 1180 dSP;
1053 1181
1054 PL_runops = RUNOPS_DEFAULT; 1182 PL_runops = RUNOPS_DEFAULT;
1055 ENTER; 1183 ENTER;
… …
1074 1202
1075 TAINT_NOT; 1203 TAINT_NOT;
1076 return 0; 1204 return 0;
1077} 1205}
1078 1206
1079static struct coro_cctx *cctx_ssl_cctx;
1080static struct CoroSLF cctx_ssl_frame; 1207static struct CoroSLF cctx_ssl_frame;
1081 1208
1082static void 1209static void
1083slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) 1210slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1084{ 1211{
1085 ta->prev = (struct coro *)cctx_ssl_cctx;
1086 ta->next = 0; 1212 ta->prev = 0;
1087} 1213}
1088 1214
1089static int 1215static int
1090slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) 1216slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1091{ 1217{
… …
1094 return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ 1220 return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1095} 1221}
1096 1222
1097/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ 1223/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1098static void NOINLINE 1224static void NOINLINE
1099cctx_prepare (pTHX_ coro_cctx *cctx) 1225cctx_prepare (pTHX)
1100{ 1226{
1101 PL_top_env = &PL_start_env; 1227 PL_top_env = &PL_start_env;
1102 1228
1103 if (cctx->flags & CC_TRACE) 1229 if (cctx_current->flags & CC_TRACE)
1104 PL_runops = runops_trace; 1230 PL_runops = runops_trace;
1105 1231
1106 /* we already must be executing an SLF op, there is no other valid way 1232 /* we already must be executing an SLF op, there is no other valid way
1107 * that can lead to creation of a new cctx */ 1233 * that can lead to creation of a new cctx */
1108 assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", 1234 assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1109 slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); 1235 slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1110 1236
1111 /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ 1237 /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1112 cctx_ssl_cctx = cctx;
1113 cctx_ssl_frame = slf_frame; 1238 cctx_ssl_frame = slf_frame;
1114 1239
1115 slf_frame.prepare = slf_prepare_set_stacklevel; 1240 slf_frame.prepare = slf_prepare_set_stacklevel;
1116 slf_frame.check = slf_check_set_stacklevel; 1241 slf_frame.check = slf_check_set_stacklevel;
1117} 1242}
… …
1140 /* normally we would need to skip the entersub here */ 1265 /* normally we would need to skip the entersub here */
1141 /* not doing so will re-execute it, which is exactly what we want */ 1266 /* not doing so will re-execute it, which is exactly what we want */
1142 /* PL_nop = PL_nop->op_next */ 1267 /* PL_nop = PL_nop->op_next */
1143 1268
1144 /* inject a fake subroutine call to cctx_init */ 1269 /* inject a fake subroutine call to cctx_init */
1145 cctx_prepare (aTHX_ (coro_cctx *)arg); 1270 cctx_prepare (aTHX);
1146 1271
1147 /* cctx_run is the alternative tail of transfer() */ 1272 /* cctx_run is the alternative tail of transfer() */
1148 transfer_tail (aTHX); 1273 transfer_tail (aTHX);
1149 1274
1150 /* somebody or something will hit me for both perl_run and PL_restartop */ 1275 /* somebody or something will hit me for both perl_run and PL_restartop */
… …
1158 /* 1283 /*
1159 * If perl-run returns we assume exit() was being called or the coro 1284 * If perl-run returns we assume exit() was being called or the coro
1160 * fell off the end, which seems to be the only valid (non-bug) 1285 * fell off the end, which seems to be the only valid (non-bug)
1161 * reason for perl_run to return. We try to exit by jumping to the 1286 * reason for perl_run to return. We try to exit by jumping to the
1162 * bootstrap-time "top" top_env, as we cannot restore the "main" 1287 * bootstrap-time "top" top_env, as we cannot restore the "main"
1163 * coroutine as Coro has no such concept 1288 * coroutine as Coro has no such concept.
1289 * This actually isn't valid with the pthread backend, but OSes requiring
1290 * that backend are too broken to do it in a standards-compliant way.
1164 */ 1291 */
1165 PL_top_env = main_top_env; 1292 PL_top_env = main_top_env;
1166 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ 1293 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1167 } 1294 }
1168} 1295}
… …
1245cctx_destroy (coro_cctx *cctx) 1372cctx_destroy (coro_cctx *cctx)
1246{ 1373{
1247 if (!cctx) 1374 if (!cctx)
1248 return; 1375 return;
1249 1376
1377 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1378
1250 --cctx_count; 1379 --cctx_count;
1251 coro_destroy (&cctx->cctx); 1380 coro_destroy (&cctx->cctx);
1252 1381
1253 /* coro_transfer creates new, empty cctx's */ 1382 /* coro_transfer creates new, empty cctx's */
1254 if (cctx->sptr) 1383 if (cctx->sptr)
… …
1317 /* TODO: throwing up here is considered harmful */ 1446 /* TODO: throwing up here is considered harmful */
1318 1447
1319 if (expect_true (prev != next)) 1448 if (expect_true (prev != next))
1320 { 1449 {
1321 if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) 1450 if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
1322 croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,"); 1451 croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1323 1452
1324 if (expect_false (next->flags & CF_RUNNING))
1325 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1326
1327 if (expect_false (next->flags & CF_DESTROYED)) 1453 if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED)))
1328 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); 1454 croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1329 1455
1330#if !PERL_VERSION_ATLEAST (5,10,0) 1456#if !PERL_VERSION_ATLEAST (5,10,0)
1331 if (expect_false (PL_lex_state != LEX_NOTPARSING)) 1457 if (expect_false (PL_lex_state != LEX_NOTPARSING))
1332 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); 1458 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1333#endif 1459#endif
… …
1339transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) 1465transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1340{ 1466{
1341 dSTACKLEVEL; 1467 dSTACKLEVEL;
1342 1468
1343 /* sometimes transfer is only called to set idle_sp */ 1469 /* sometimes transfer is only called to set idle_sp */
1344 if (expect_false (!next)) 1470 if (expect_false (!prev))
1345 { 1471 {
1346 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1472 cctx_current->idle_sp = STACKLEVEL;
1347 assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ 1473 assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1348 } 1474 }
1349 else if (expect_true (prev != next)) 1475 else if (expect_true (prev != next))
1350 { 1476 {
1351 coro_cctx *prev__cctx; 1477 coro_cctx *cctx_prev;
1352 1478
1353 if (expect_false (prev->flags & CF_NEW)) 1479 if (expect_false (prev->flags & CF_NEW))
1354 { 1480 {
1355 /* create a new empty/source context */ 1481 /* create a new empty/source context */
1356 prev->cctx = cctx_new_empty ();
1357 prev->flags &= ~CF_NEW; 1482 prev->flags &= ~CF_NEW;
1358 prev->flags |= CF_RUNNING; 1483 prev->flags |= CF_RUNNING;
1359 } 1484 }
1360 1485
1361 prev->flags &= ~CF_RUNNING; 1486 prev->flags &= ~CF_RUNNING;
… …
1372 coro_setup (aTHX_ next); 1497 coro_setup (aTHX_ next);
1373 } 1498 }
1374 else 1499 else
1375 load_perl (aTHX_ next); 1500 load_perl (aTHX_ next);
1376 1501
1377 prev__cctx = prev->cctx;
1378
1379 /* possibly untie and reuse the cctx */ 1502 /* possibly untie and reuse the cctx */
1380 if (expect_true ( 1503 if (expect_true (
1381 prev__cctx->idle_sp == STACKLEVEL 1504 cctx_current->idle_sp == STACKLEVEL
1382 && !(prev__cctx->flags & CC_TRACE) 1505 && !(cctx_current->flags & CC_TRACE)
1383 && !force_cctx 1506 && !force_cctx
1384 )) 1507 ))
1385 { 1508 {
1386 /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ 1509 /* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1387 assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); 1510 assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1388 1511
1389 prev->cctx = 0;
1390
1391 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ 1512 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1392 /* without this the next cctx_get might destroy the prev__cctx while still in use */ 1513 /* without this the next cctx_get might destroy the running cctx while still in use */
1393 if (expect_false (CCTX_EXPIRED (prev__cctx))) 1514 if (expect_false (CCTX_EXPIRED (cctx_current)))
1394 if (!next->cctx) 1515 if (expect_true (!next->cctx))
1395 next->cctx = cctx_get (aTHX); 1516 next->cctx = cctx_get (aTHX);
1396 1517
1397 cctx_put (prev__cctx); 1518 cctx_put (cctx_current);
1398 } 1519 }
1520 else
1521 prev->cctx = cctx_current;
1399 1522
1400 ++next->usecount; 1523 ++next->usecount;
1401 1524
1402 if (expect_true (!next->cctx)) 1525 cctx_prev = cctx_current;
1403 next->cctx = cctx_get (aTHX); 1526 cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1404 1527
1405 if (expect_false (prev__cctx != next->cctx)) 1528 next->cctx = 0;
1529
1530 if (expect_false (cctx_prev != cctx_current))
1406 { 1531 {
1407 prev__cctx->top_env = PL_top_env; 1532 cctx_prev->top_env = PL_top_env;
1408 PL_top_env = next->cctx->top_env; 1533 PL_top_env = cctx_current->top_env;
1409 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); 1534 coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1410 } 1535 }
1411 1536
1412 transfer_tail (aTHX); 1537 transfer_tail (aTHX);
1413 } 1538 }
1414} 1539}
… …
1422coro_state_destroy (pTHX_ struct coro *coro) 1547coro_state_destroy (pTHX_ struct coro *coro)
1423{ 1548{
1424 if (coro->flags & CF_DESTROYED) 1549 if (coro->flags & CF_DESTROYED)
1425 return 0; 1550 return 0;
1426 1551
1427 if (coro->on_destroy) 1552 if (coro->on_destroy && !PL_dirty)
1428 coro->on_destroy (aTHX_ coro); 1553 coro->on_destroy (aTHX_ coro);
1429 1554
1430 coro->flags |= CF_DESTROYED; 1555 coro->flags |= CF_DESTROYED;
1431 1556
1432 if (coro->flags & CF_READY) 1557 if (coro->flags & CF_READY)
… …
1436 --coro_nready; 1561 --coro_nready;
1437 } 1562 }
1438 else 1563 else
1439 coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ 1564 coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */
1440 1565
1441 if (coro->mainstack && coro->mainstack != main_mainstack) 1566 if (coro->mainstack
1442 { 1567 && coro->mainstack != main_mainstack
1443 struct coro temp; 1568 && coro->slot
1444 1569 && !PL_dirty)
1445 assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1446
1447 save_perl (aTHX_ &temp);
1448 load_perl (aTHX_ coro);
1449
1450 coro_destruct (aTHX_ coro); 1570 coro_destruct_perl (aTHX_ coro);
1451
1452 load_perl (aTHX_ &temp);
1453
1454 coro->slot = 0;
1455 }
1456 1571
1457 cctx_destroy (coro->cctx); 1572 cctx_destroy (coro->cctx);
1458 SvREFCNT_dec (coro->startcv); 1573 SvREFCNT_dec (coro->startcv);
1459 SvREFCNT_dec (coro->args); 1574 SvREFCNT_dec (coro->args);
1460 SvREFCNT_dec (CORO_THROW); 1575 SvREFCNT_dec (CORO_THROW);
… …
1519 1634
1520 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1635 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1521 TRANSFER (ta, 1); 1636 TRANSFER (ta, 1);
1522} 1637}
1523 1638
1524/*****************************************************************************/
1525/* gensub: simple closure generation utility */
1526
1527#define GENSUB_ARG CvXSUBANY (cv).any_ptr
1528
1529/* create a closure from XS, returns a code reference */
1530/* the arg can be accessed via GENSUB_ARG from the callback */
1531/* the callback must use dXSARGS/XSRETURN */
1532static SV *
1533gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg)
1534{
1535 CV *cv = (CV *)newSV (0);
1536
1537 sv_upgrade ((SV *)cv, SVt_PVCV);
1538
1539 CvANON_on (cv);
1540 CvISXSUB_on (cv);
1541 CvXSUB (cv) = xsub;
1542 GENSUB_ARG = arg;
1543
1544 return newRV_noinc ((SV *)cv);
1545}
1546
1547/** Coro ********************************************************************/ 1639/** Coro ********************************************************************/
1548 1640
1549INLINE void 1641INLINE void
1550coro_enq (pTHX_ struct coro *coro) 1642coro_enq (pTHX_ struct coro *coro)
1551{ 1643{
1552 av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); 1644 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1553}
1554 1645
1555INLINE SV * 1646 SvREFCNT_inc_NN (coro->hv);
1647
1648 coro->next_ready = 0;
1649 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
1650 ready [1] = coro;
1651}
1652
1653INLINE struct coro *
1556coro_deq (pTHX) 1654coro_deq (pTHX)
1557{ 1655{
1558 int prio; 1656 int prio;
1559 1657
1560 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) 1658 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1561 if (AvFILLp (coro_ready [prio]) >= 0) 1659 {
1562 return av_shift (coro_ready [prio]); 1660 struct coro **ready = coro_ready [prio];
1661
1662 if (ready [0])
1663 {
1664 struct coro *coro = ready [0];
1665 ready [0] = coro->next_ready;
1666 return coro;
1667 }
1668 }
1563 1669
1564 return 0; 1670 return 0;
1671}
1672
1673static void
1674invoke_sv_ready_hook_helper (void)
1675{
1676 dTHX;
1677 dSP;
1678
1679 ENTER;
1680 SAVETMPS;
1681
1682 PUSHMARK (SP);
1683 PUTBACK;
1684 call_sv (coro_readyhook, G_VOID | G_DISCARD);
1685
1686 FREETMPS;
1687 LEAVE;
1565} 1688}
1566 1689
1567static int 1690static int
1568api_ready (pTHX_ SV *coro_sv) 1691api_ready (pTHX_ SV *coro_sv)
1569{ 1692{
1570 struct coro *coro;
1571 SV *sv_hook;
1572 void (*xs_hook)(void);
1573
1574 if (SvROK (coro_sv))
1575 coro_sv = SvRV (coro_sv);
1576
1577 coro = SvSTATE (coro_sv); 1693 struct coro *coro = SvSTATE (coro_sv);
1578 1694
1579 if (coro->flags & CF_READY) 1695 if (coro->flags & CF_READY)
1580 return 0; 1696 return 0;
1581 1697
1582 coro->flags |= CF_READY; 1698 coro->flags |= CF_READY;
1583 1699
1584 sv_hook = coro_nready ? 0 : coro_readyhook;
1585 xs_hook = coro_nready ? 0 : coroapi.readyhook;
1586
1587 coro_enq (aTHX_ coro); 1700 coro_enq (aTHX_ coro);
1588 ++coro_nready;
1589 1701
1590 if (sv_hook) 1702 if (!coro_nready++)
1591 { 1703 if (coroapi.readyhook)
1592 dSP; 1704 coroapi.readyhook ();
1593
1594 ENTER;
1595 SAVETMPS;
1596
1597 PUSHMARK (SP);
1598 PUTBACK;
1599 call_sv (sv_hook, G_VOID | G_DISCARD);
1600
1601 FREETMPS;
1602 LEAVE;
1603 }
1604
1605 if (xs_hook)
1606 xs_hook ();
1607 1705
1608 return 1; 1706 return 1;
1609} 1707}
1610 1708
1611static int 1709static int
… …
1614 return !!(SvSTATE (coro_sv)->flags & CF_READY); 1712 return !!(SvSTATE (coro_sv)->flags & CF_READY);
1615} 1713}
1616 1714
1617/* expects to own a reference to next->hv */ 1715/* expects to own a reference to next->hv */
1618INLINE void 1716INLINE void
1619prepare_cede_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) 1717prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1620{ 1718{
1621 SV *prev_sv = SvRV (coro_current); 1719 SV *prev_sv = SvRV (coro_current);
1622 1720
1623 ta->prev = SvSTATE_hv (prev_sv); 1721 ta->prev = SvSTATE_hv (prev_sv);
1624 ta->next = next; 1722 ta->next = next;
1625 1723
1626 TRANSFER_CHECK (*ta); 1724 TRANSFER_CHECK (*ta);
1627 1725
1628 SvRV_set (coro_current, next->hv); 1726 SvRV_set (coro_current, (SV *)next->hv);
1629 1727
1630 free_coro_mortal (aTHX); 1728 free_coro_mortal (aTHX);
1631 coro_mortal = prev_sv; 1729 coro_mortal = prev_sv;
1632} 1730}
1633 1731
1634static void 1732static void
1635prepare_schedule (pTHX_ struct coro_transfer_args *ta) 1733prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1636{ 1734{
1637 for (;;) 1735 for (;;)
1638 { 1736 {
1639 SV *next_sv = coro_deq (aTHX); 1737 struct coro *next = coro_deq (aTHX);
1640 1738
1641 if (expect_false (!next_sv)) 1739 if (expect_true (next))
1642 { 1740 {
1643 /* nothing to schedule: call the idle handler */
1644 dSP;
1645
1646 ENTER;
1647 SAVETMPS;
1648
1649 PUSHMARK (SP);
1650 PUTBACK;
1651 call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD);
1652
1653 FREETMPS;
1654 LEAVE;
1655 }
1656 else
1657 {
1658 struct coro *next = SvSTATE_hv (next_sv);
1659
1660 /* cannot transfer to destroyed coros, skip and look for next */ 1741 /* cannot transfer to destroyed coros, skip and look for next */
1661 if (expect_false (next->flags & CF_DESTROYED)) 1742 if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED)))
1662 SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ 1743 SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1663 else 1744 else
1664 { 1745 {
1665 next->flags &= ~CF_READY; 1746 next->flags &= ~CF_READY;
1666 --coro_nready; 1747 --coro_nready;
1667 1748
1668 return prepare_cede_to (aTHX_ ta, next); 1749 prepare_schedule_to (aTHX_ ta, next);
1750 break;
1669 } 1751 }
1670 } 1752 }
1753 else
1754 {
1755 /* nothing to schedule: call the idle handler */
1756 if (SvROK (sv_idle)
1757 && SvOBJECT (SvRV (sv_idle)))
1758 {
1759 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1760 api_ready (aTHX_ SvRV (sv_idle));
1761 --coro_nready;
1762 }
1763 else
1764 {
1765 dSP;
1766
1767 ENTER;
1768 SAVETMPS;
1769
1770 PUSHMARK (SP);
1771 PUTBACK;
1772 call_sv (sv_idle, G_VOID | G_DISCARD);
1773
1774 FREETMPS;
1775 LEAVE;
1776 }
1777 }
1671 } 1778 }
1672} 1779}
1673 1780
1674INLINE void 1781INLINE void
1675prepare_cede (pTHX_ struct coro_transfer_args *ta) 1782prepare_cede (pTHX_ struct coro_transfer_args *ta)
… …
1697{ 1804{
1698 struct coro_transfer_args ta; 1805 struct coro_transfer_args ta;
1699 1806
1700 prepare_schedule (aTHX_ &ta); 1807 prepare_schedule (aTHX_ &ta);
1701 TRANSFER (ta, 1); 1808 TRANSFER (ta, 1);
1809}
1810
1811static void
1812api_schedule_to (pTHX_ SV *coro_sv)
1813{
1814 struct coro_transfer_args ta;
1815 struct coro *next = SvSTATE (coro_sv);
1816
1817 SvREFCNT_inc_NN (coro_sv);
1818 prepare_schedule_to (aTHX_ &ta, next);
1702} 1819}
1703 1820
1704static int 1821static int
1705api_cede (pTHX) 1822api_cede (pTHX)
1706{ 1823{
… …
1735static void 1852static void
1736api_trace (pTHX_ SV *coro_sv, int flags) 1853api_trace (pTHX_ SV *coro_sv, int flags)
1737{ 1854{
1738 struct coro *coro = SvSTATE (coro_sv); 1855 struct coro *coro = SvSTATE (coro_sv);
1739 1856
1857 if (coro->flags & CF_RUNNING)
1858 croak ("cannot enable tracing on a running coroutine, caught");
1859
1740 if (flags & CC_TRACE) 1860 if (flags & CC_TRACE)
1741 { 1861 {
1742 if (!coro->cctx) 1862 if (!coro->cctx)
1743 coro->cctx = cctx_new_run (); 1863 coro->cctx = cctx_new_run ();
1744 else if (!(coro->cctx->flags & CC_TRACE)) 1864 else if (!(coro->cctx->flags & CC_TRACE))
1745 croak ("cannot enable tracing on coroutine with custom stack,"); 1865 croak ("cannot enable tracing on coroutine with custom stack, caught");
1746 1866
1747 coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); 1867 coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1748 } 1868 }
1749 else if (coro->cctx && coro->cctx->flags & CC_TRACE) 1869 else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1750 { 1870 {
… …
1753 if (coro->flags & CF_RUNNING) 1873 if (coro->flags & CF_RUNNING)
1754 PL_runops = RUNOPS_DEFAULT; 1874 PL_runops = RUNOPS_DEFAULT;
1755 else 1875 else
1756 coro->slot->runops = RUNOPS_DEFAULT; 1876 coro->slot->runops = RUNOPS_DEFAULT;
1757 } 1877 }
1878}
1879
1880static void
1881coro_call_on_destroy (pTHX_ struct coro *coro)
1882{
1883 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
1886 if (on_destroyp)
1887 {
1888 AV *on_destroy = (AV *)SvRV (*on_destroyp);
1889
1890 while (AvFILLp (on_destroy) >= 0)
1891 {
1892 dSP; /* don't disturb outer sp */
1893 SV *cb = av_pop (on_destroy);
1894
1895 PUSHMARK (SP);
1896
1897 if (statusp)
1898 {
1899 int i;
1900 AV *status = (AV *)SvRV (*statusp);
1901 EXTEND (SP, AvFILLp (status) + 1);
1902
1903 for (i = 0; i <= AvFILLp (status); ++i)
1904 PUSHs (AvARRAY (status)[i]);
1905 }
1906
1907 PUTBACK;
1908 call_sv (sv_2mortal (cb), G_VOID | G_DISCARD);
1909 }
1910 }
1911}
1912
1913static void
1914slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1915{
1916 int i;
1917 HV *hv = (HV *)SvRV (coro_current);
1918 AV *av = newAV ();
1919
1920 av_extend (av, items - 1);
1921 for (i = 0; i < items; ++i)
1922 av_push (av, SvREFCNT_inc_NN (arg [i]));
1923
1924 hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
1925
1926 av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
1927 api_ready (aTHX_ sv_manager);
1928
1929 frame->prepare = prepare_schedule;
1930 frame->check = slf_check_repeat;
1931
1932 /* as a minor optimisation, we could unwind all stacks here */
1933 /* but that puts extra pressure on pp_slf, and is not worth much */
1934 /*coro_unwind_stacks (aTHX);*/
1758} 1935}
1759 1936
1760/*****************************************************************************/ 1937/*****************************************************************************/
1761/* async pool handler */ 1938/* async pool handler */
1762 1939
… …
1840 2017
1841static void 2018static void
1842coro_rouse_callback (pTHX_ CV *cv) 2019coro_rouse_callback (pTHX_ CV *cv)
1843{ 2020{
1844 dXSARGS; 2021 dXSARGS;
1845 SV *data = (SV *)GENSUB_ARG; 2022 SV *data = (SV *)S_GENSUB_ARG;
1846 2023
1847 if (SvTYPE (SvRV (data)) != SVt_PVAV) 2024 if (SvTYPE (SvRV (data)) != SVt_PVAV)
1848 { 2025 {
1849 /* first call, set args */ 2026 /* first call, set args */
2027 SV *coro = SvRV (data);
1850 AV *av = newAV (); 2028 AV *av = newAV ();
1851 SV *coro = SvRV (data);
1852 2029
1853 SvRV_set (data, (SV *)av); 2030 SvRV_set (data, (SV *)av);
1854 api_ready (aTHX_ coro);
1855 SvREFCNT_dec (coro);
1856 2031
1857 /* better take a full copy of the arguments */ 2032 /* better take a full copy of the arguments */
1858 while (items--) 2033 while (items--)
1859 av_store (av, items, newSVsv (ST (items))); 2034 av_store (av, items, newSVsv (ST (items)));
2035
2036 api_ready (aTHX_ coro);
2037 SvREFCNT_dec (coro);
1860 } 2038 }
1861 2039
1862 XSRETURN_EMPTY; 2040 XSRETURN_EMPTY;
1863} 2041}
1864 2042
… …
1881 2059
1882 EXTEND (SP, AvFILLp (av) + 1); 2060 EXTEND (SP, AvFILLp (av) + 1);
1883 for (i = 0; i <= AvFILLp (av); ++i) 2061 for (i = 0; i <= AvFILLp (av); ++i)
1884 PUSHs (sv_2mortal (AvARRAY (av)[i])); 2062 PUSHs (sv_2mortal (AvARRAY (av)[i]));
1885 2063
1886 /* we have stolen the elements, so ste length to zero and free */ 2064 /* we have stolen the elements, so set length to zero and free */
1887 AvFILLp (av) = -1; 2065 AvFILLp (av) = -1;
1888 av_undef (av); 2066 av_undef (av);
1889 2067
1890 PUTBACK; 2068 PUTBACK;
1891 } 2069 }
… …
1915 || SvTYPE (SvRV (cb)) != SVt_PVCV 2093 || SvTYPE (SvRV (cb)) != SVt_PVCV
1916 || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) 2094 || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
1917 croak ("Coro::rouse_wait called with illegal callback argument,"); 2095 croak ("Coro::rouse_wait called with illegal callback argument,");
1918 2096
1919 { 2097 {
1920 CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ 2098 CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */
1921 SV *data = (SV *)GENSUB_ARG; 2099 SV *data = (SV *)S_GENSUB_ARG;
1922 2100
1923 frame->data = (void *)data; 2101 frame->data = (void *)data;
1924 frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; 2102 frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;
1925 frame->check = slf_check_rouse_wait; 2103 frame->check = slf_check_rouse_wait;
1926 } 2104 }
… …
1930coro_new_rouse_cb (pTHX) 2108coro_new_rouse_cb (pTHX)
1931{ 2109{
1932 HV *hv = (HV *)SvRV (coro_current); 2110 HV *hv = (HV *)SvRV (coro_current);
1933 struct coro *coro = SvSTATE_hv (hv); 2111 struct coro *coro = SvSTATE_hv (hv);
1934 SV *data = newRV_inc ((SV *)hv); 2112 SV *data = newRV_inc ((SV *)hv);
1935 SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); 2113 SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data);
1936 2114
1937 sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); 2115 sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);
1938 SvREFCNT_dec (data); /* magicext increases the refcount */ 2116 SvREFCNT_dec (data); /* magicext increases the refcount */
1939 2117
1940 SvREFCNT_dec (coro->rouse_cb); 2118 SvREFCNT_dec (coro->rouse_cb);
… …
1995static void 2173static void
1996slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2174slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1997{ 2175{
1998 frame->prepare = prepare_schedule; 2176 frame->prepare = prepare_schedule;
1999 frame->check = slf_check_nop; 2177 frame->check = slf_check_nop;
2178}
2179
2180static void
2181slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta)
2182{
2183 struct coro *next = (struct coro *)slf_frame.data;
2184
2185 SvREFCNT_inc_NN (next->hv);
2186 prepare_schedule_to (aTHX_ ta, next);
2187}
2188
2189static void
2190slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2191{
2192 if (!items)
2193 croak ("Coro::schedule_to expects a coroutine argument, caught");
2194
2195 frame->data = (void *)SvSTATE (arg [0]);
2196 frame->prepare = slf_prepare_schedule_to;
2197 frame->check = slf_check_nop;
2198}
2199
2200static void
2201slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2202{
2203 api_ready (aTHX_ SvRV (coro_current));
2204
2205 slf_init_schedule_to (aTHX_ frame, cv, arg, items);
2000} 2206}
2001 2207
2002static void 2208static void
2003slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2209slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2004{ 2210{
… …
2150 } 2356 }
2151 else 2357 else
2152 slf_argc = 0; 2358 slf_argc = 0;
2153 2359
2154 PL_op->op_ppaddr = pp_slf; 2360 PL_op->op_ppaddr = pp_slf;
2155 PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */ 2361 /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */
2156 2362
2157 PL_op = (OP *)&slf_restore; 2363 PL_op = (OP *)&slf_restore;
2364}
2365
2366/*****************************************************************************/
2367/* dynamic wind */
2368
2369static void
2370on_enterleave_call (pTHX_ SV *cb)
2371{
2372 dSP;
2373
2374 PUSHSTACK;
2375
2376 PUSHMARK (SP);
2377 PUTBACK;
2378 call_sv (cb, G_VOID | G_DISCARD);
2379 SPAGAIN;
2380
2381 POPSTACK;
2382}
2383
2384static SV *
2385coro_avp_pop_and_free (pTHX_ AV **avp)
2386{
2387 AV *av = *avp;
2388 SV *res = av_pop (av);
2389
2390 if (AvFILLp (av) < 0)
2391 {
2392 *avp = 0;
2393 SvREFCNT_dec (av);
2394 }
2395
2396 return res;
2397}
2398
2399static void
2400coro_pop_on_enter (pTHX_ void *coro)
2401{
2402 SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter);
2403 SvREFCNT_dec (cb);
2404}
2405
2406static void
2407coro_pop_on_leave (pTHX_ void *coro)
2408{
2409 SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave);
2410 on_enterleave_call (aTHX_ sv_2mortal (cb));
2158} 2411}
2159 2412
2160/*****************************************************************************/ 2413/*****************************************************************************/
2161/* PerlIO::cede */ 2414/* PerlIO::cede */
2162 2415
… …
2236/* Coro::Semaphore & Coro::Signal */ 2489/* Coro::Semaphore & Coro::Signal */
2237 2490
2238static SV * 2491static SV *
2239coro_waitarray_new (pTHX_ int count) 2492coro_waitarray_new (pTHX_ int count)
2240{ 2493{
2241 /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ 2494 /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2242 AV *av = newAV (); 2495 AV *av = newAV ();
2243 SV **ary; 2496 SV **ary;
2244 2497
2245 /* unfortunately, building manually saves memory */ 2498 /* unfortunately, building manually saves memory */
2246 Newx (ary, 2, SV *); 2499 Newx (ary, 2, SV *);
2247 AvALLOC (av) = ary; 2500 AvALLOC (av) = ary;
2501#if PERL_VERSION_ATLEAST (5,10,0)
2248 /*AvARRAY (av) = ary;*/ 2502 AvARRAY (av) = ary;
2503#else
2249 SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */ 2504 /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
2505 /* -DDEBUGGING flags this as a bug, despite it perfectly working */
2506 SvPVX ((SV *)av) = (char *)ary;
2507#endif
2250 AvMAX (av) = 1; 2508 AvMAX (av) = 1;
2251 AvFILLp (av) = 0; 2509 AvFILLp (av) = 0;
2252 ary [0] = newSViv (count); 2510 ary [0] = newSViv (count);
2253 2511
2254 return newRV_noinc ((SV *)av); 2512 return newRV_noinc ((SV *)av);
… …
2383{ 2641{
2384 if (items >= 2) 2642 if (items >= 2)
2385 { 2643 {
2386 /* callback form */ 2644 /* callback form */
2387 AV *av = (AV *)SvRV (arg [0]); 2645 AV *av = (AV *)SvRV (arg [0]);
2388 CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); 2646 SV *cb_cv = s_get_cv_croak (arg [1]);
2389 2647
2390 av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); 2648 av_push (av, SvREFCNT_inc_NN (cb_cv));
2391 2649
2392 if (SvIVX (AvARRAY (av)[0]) > 0) 2650 if (SvIVX (AvARRAY (av)[0]) > 0)
2393 coro_semaphore_adjust (aTHX_ av, 0); 2651 coro_semaphore_adjust (aTHX_ av, 0);
2394 2652
2395 frame->prepare = prepare_nop; 2653 frame->prepare = prepare_nop;
… …
2419 AvARRAY (av)[0] = AvARRAY (av)[1]; 2677 AvARRAY (av)[0] = AvARRAY (av)[1];
2420 AvARRAY (av)[1] = cb; 2678 AvARRAY (av)[1] = cb;
2421 2679
2422 cb = av_shift (av); 2680 cb = av_shift (av);
2423 2681
2682 if (SvTYPE (cb) == SVt_PVCV)
2683 {
2684 dSP;
2685 PUSHMARK (SP);
2686 XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
2687 PUTBACK;
2688 call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
2689 }
2690 else
2691 {
2424 api_ready (aTHX_ cb); 2692 api_ready (aTHX_ cb);
2425 sv_setiv (cb, 0); /* signal waiter */ 2693 sv_setiv (cb, 0); /* signal waiter */
2694 }
2695
2426 SvREFCNT_dec (cb); 2696 SvREFCNT_dec (cb);
2427 2697
2428 --count; 2698 --count;
2429 } 2699 }
2430} 2700}
… …
2439static void 2709static void
2440slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2710slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2441{ 2711{
2442 AV *av = (AV *)SvRV (arg [0]); 2712 AV *av = (AV *)SvRV (arg [0]);
2443 2713
2714 if (items >= 2)
2715 {
2716 SV *cb_cv = s_get_cv_croak (arg [1]);
2717 av_push (av, SvREFCNT_inc_NN (cb_cv));
2718
2444 if (SvIVX (AvARRAY (av)[0])) 2719 if (SvIVX (AvARRAY (av)[0]))
2720 coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */
2721
2722 frame->prepare = prepare_nop;
2723 frame->check = slf_check_nop;
2724 }
2725 else if (SvIVX (AvARRAY (av)[0]))
2445 { 2726 {
2446 SvIVX (AvARRAY (av)[0]) = 0; 2727 SvIVX (AvARRAY (av)[0]) = 0;
2447 frame->prepare = prepare_nop; 2728 frame->prepare = prepare_nop;
2448 frame->check = slf_check_nop; 2729 frame->check = slf_check_nop;
2449 } 2730 }
2450 else 2731 else
2451 { 2732 {
2452 SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ 2733 SV *waiter = newSVsv (coro_current); /* owned by signal av */
2453 2734
2454 av_push (av, waiter); 2735 av_push (av, waiter);
2455 2736
2456 frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ 2737 frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */
2457 frame->prepare = prepare_schedule; 2738 frame->prepare = prepare_schedule;
… …
2475 2756
2476static void 2757static void
2477coro_aio_callback (pTHX_ CV *cv) 2758coro_aio_callback (pTHX_ CV *cv)
2478{ 2759{
2479 dXSARGS; 2760 dXSARGS;
2480 AV *state = (AV *)GENSUB_ARG; 2761 AV *state = (AV *)S_GENSUB_ARG;
2481 SV *coro = av_pop (state); 2762 SV *coro = av_pop (state);
2482 SV *data_sv = newSV (sizeof (struct io_state)); 2763 SV *data_sv = newSV (sizeof (struct io_state));
2483 2764
2484 av_extend (state, items - 1); 2765 av_extend (state, items - 1);
2485 2766
… …
2599 2880
2600 for (i = 0; i < items; ++i) 2881 for (i = 0; i < items; ++i)
2601 PUSHs (arg [i]); 2882 PUSHs (arg [i]);
2602 2883
2603 /* now push the callback closure */ 2884 /* now push the callback closure */
2604 PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); 2885 PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state))));
2605 2886
2606 /* now call the AIO function - we assume our request is uncancelable */ 2887 /* now call the AIO function - we assume our request is uncancelable */
2607 PUTBACK; 2888 PUTBACK;
2608 call_sv ((SV *)req, G_VOID | G_DISCARD); 2889 call_sv ((SV *)req, G_VOID | G_DISCARD);
2609 } 2890 }
… …
2623 2904
2624 XSRETURN_EMPTY; 2905 XSRETURN_EMPTY;
2625} 2906}
2626 2907
2627/*****************************************************************************/ 2908/*****************************************************************************/
2909
2910#if CORO_CLONE
2911# include "clone.c"
2912#endif
2628 2913
2629MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 2914MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2630 2915
2631PROTOTYPES: DISABLE 2916PROTOTYPES: DISABLE
2632 2917
… …
2637 coro_thx = PERL_GET_CONTEXT; 2922 coro_thx = PERL_GET_CONTEXT;
2638# endif 2923# endif
2639#endif 2924#endif
2640 BOOT_PAGESIZE; 2925 BOOT_PAGESIZE;
2641 2926
2927 cctx_current = cctx_new_empty ();
2928
2642 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 2929 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
2643 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 2930 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
2644 2931
2645 orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; 2932 orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2646 orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; 2933 orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
… …
2665 2952
2666 { 2953 {
2667 SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); 2954 SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2668 2955
2669 if (!PL_custom_op_names) PL_custom_op_names = newHV (); 2956 if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2670 hv_store_ent (PL_custom_op_names, slf, 2957 hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2671 newSVpv ("coro_slf", 0), 0);
2672 2958
2673 if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); 2959 if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2674 hv_store_ent (PL_custom_op_descs, slf, 2960 hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2675 newSVpv ("coro schedule like function", 0), 0);
2676 } 2961 }
2677 2962
2678 coroapi.ver = CORO_API_VERSION; 2963 coroapi.ver = CORO_API_VERSION;
2679 coroapi.rev = CORO_API_REVISION; 2964 coroapi.rev = CORO_API_REVISION;
2680 2965
… …
2692 2977
2693 if (!svp) croak ("Time::HiRes is required"); 2978 if (!svp) croak ("Time::HiRes is required");
2694 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); 2979 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2695 2980
2696 nvtime = INT2PTR (double (*)(), SvIV (*svp)); 2981 nvtime = INT2PTR (double (*)(), SvIV (*svp));
2982
2983 svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
2984 u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp));
2697 } 2985 }
2698 2986
2699 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 2987 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2700} 2988}
2701 2989
2702SV * 2990SV *
2703new (char *klass, ...) 2991new (char *klass, ...)
2704 ALIAS: 2992 ALIAS:
… …
2706 CODE: 2994 CODE:
2707{ 2995{
2708 struct coro *coro; 2996 struct coro *coro;
2709 MAGIC *mg; 2997 MAGIC *mg;
2710 HV *hv; 2998 HV *hv;
2711 CV *cb; 2999 SV *cb;
2712 int i; 3000 int i;
2713 3001
2714 if (items > 1) 3002 if (items > 1)
2715 { 3003 {
2716 cb = coro_sv_2cv (aTHX_ ST (1)); 3004 cb = s_get_cv_croak (ST (1));
2717 3005
2718 if (!ix) 3006 if (!ix)
2719 { 3007 {
2720 if (CvISXSUB (cb)) 3008 if (CvISXSUB (cb))
2721 croak ("Coro::State doesn't support XS functions as coroutine start, caught"); 3009 croak ("Coro::State doesn't support XS functions as coroutine start, caught");
… …
2743 av_extend (coro->args, items - 1 + ix - 1); 3031 av_extend (coro->args, items - 1 + ix - 1);
2744 3032
2745 if (ix) 3033 if (ix)
2746 { 3034 {
2747 av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); 3035 av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
2748 cb = cv_coro_run; 3036 cb = (SV *)cv_coro_run;
2749 } 3037 }
2750 3038
2751 coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); 3039 coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
2752 3040
2753 for (i = 2; i < items; i++) 3041 for (i = 2; i < items; i++)
… …
2773void 3061void
2774_exit (int code) 3062_exit (int code)
2775 PROTOTYPE: $ 3063 PROTOTYPE: $
2776 CODE: 3064 CODE:
2777 _exit (code); 3065 _exit (code);
3066
3067SV *
3068clone (Coro::State coro)
3069 CODE:
3070{
3071#if CORO_CLONE
3072 struct coro *ncoro = coro_clone (aTHX_ coro);
3073 MAGIC *mg;
3074 /* TODO: too much duplication */
3075 ncoro->hv = newHV ();
3076 mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);
3077 mg->mg_flags |= MGf_DUP;
3078 RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
3079#else
3080 croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
3081#endif
3082}
3083 OUTPUT:
3084 RETVAL
2778 3085
2779int 3086int
2780cctx_stacksize (int new_stacksize = 0) 3087cctx_stacksize (int new_stacksize = 0)
2781 PROTOTYPE: ;$ 3088 PROTOTYPE: ;$
2782 CODE: 3089 CODE:
… …
2832 eval = 1 3139 eval = 1
2833 CODE: 3140 CODE:
2834{ 3141{
2835 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) 3142 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
2836 { 3143 {
2837 struct coro temp; 3144 struct coro *current = SvSTATE_current;
2838 3145
2839 if (!(coro->flags & CF_RUNNING)) 3146 if (current != coro)
2840 { 3147 {
2841 PUTBACK; 3148 PUTBACK;
2842 save_perl (aTHX_ &temp); 3149 save_perl (aTHX_ current);
2843 load_perl (aTHX_ coro); 3150 load_perl (aTHX_ coro);
3151 SPAGAIN;
2844 } 3152 }
2845 3153
2846 {
2847 dSP;
2848 ENTER;
2849 SAVETMPS;
2850 PUTBACK;
2851 PUSHSTACK; 3154 PUSHSTACK;
3155
2852 PUSHMARK (SP); 3156 PUSHMARK (SP);
3157 PUTBACK;
2853 3158
2854 if (ix) 3159 if (ix)
2855 eval_sv (coderef, 0); 3160 eval_sv (coderef, 0);
2856 else 3161 else
2857 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 3162 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
2858 3163
2859 POPSTACK; 3164 POPSTACK;
2860 SPAGAIN; 3165 SPAGAIN;
2861 FREETMPS;
2862 LEAVE;
2863 PUTBACK;
2864 }
2865 3166
2866 if (!(coro->flags & CF_RUNNING)) 3167 if (current != coro)
2867 { 3168 {
3169 PUTBACK;
2868 save_perl (aTHX_ coro); 3170 save_perl (aTHX_ coro);
2869 load_perl (aTHX_ &temp); 3171 load_perl (aTHX_ current);
2870 SPAGAIN; 3172 SPAGAIN;
2871 } 3173 }
2872 } 3174 }
2873} 3175}
2874 3176
… …
2878 ALIAS: 3180 ALIAS:
2879 is_ready = CF_READY 3181 is_ready = CF_READY
2880 is_running = CF_RUNNING 3182 is_running = CF_RUNNING
2881 is_new = CF_NEW 3183 is_new = CF_NEW
2882 is_destroyed = CF_DESTROYED 3184 is_destroyed = CF_DESTROYED
3185 is_suspended = CF_SUSPENDED
2883 CODE: 3186 CODE:
2884 RETVAL = boolSV (coro->flags & ix); 3187 RETVAL = boolSV (coro->flags & ix);
2885 OUTPUT: 3188 OUTPUT:
2886 RETVAL 3189 RETVAL
2887 3190
… …
2891 CODE: 3194 CODE:
2892{ 3195{
2893 struct coro *current = SvSTATE_current; 3196 struct coro *current = SvSTATE_current;
2894 SV **throwp = self == current ? &CORO_THROW : &self->except; 3197 SV **throwp = self == current ? &CORO_THROW : &self->except;
2895 SvREFCNT_dec (*throwp); 3198 SvREFCNT_dec (*throwp);
3199 SvGETMAGIC (throw);
2896 *throwp = SvOK (throw) ? newSVsv (throw) : 0; 3200 *throwp = SvOK (throw) ? newSVsv (throw) : 0;
2897} 3201}
2898 3202
2899void 3203void
2900api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 3204api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
… …
2903 3207
2904SV * 3208SV *
2905has_cctx (Coro::State coro) 3209has_cctx (Coro::State coro)
2906 PROTOTYPE: $ 3210 PROTOTYPE: $
2907 CODE: 3211 CODE:
2908 RETVAL = boolSV (!!coro->cctx); 3212 /* maybe manage the running flag differently */
3213 RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING));
2909 OUTPUT: 3214 OUTPUT:
2910 RETVAL 3215 RETVAL
2911 3216
2912int 3217int
2913is_traced (Coro::State coro) 3218is_traced (Coro::State coro)
… …
2933 3238
2934void 3239void
2935force_cctx () 3240force_cctx ()
2936 PROTOTYPE: 3241 PROTOTYPE:
2937 CODE: 3242 CODE:
2938 SvSTATE_current->cctx->idle_sp = 0; 3243 cctx_current->idle_sp = 0;
2939 3244
2940void 3245void
2941swap_defsv (Coro::State self) 3246swap_defsv (Coro::State self)
2942 PROTOTYPE: $ 3247 PROTOTYPE: $
2943 ALIAS: 3248 ALIAS:
… …
2951 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; 3256 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
2952 3257
2953 SV *tmp = *src; *src = *dst; *dst = tmp; 3258 SV *tmp = *src; *src = *dst; *dst = tmp;
2954 } 3259 }
2955 3260
3261void
3262cancel (Coro::State self)
3263 CODE:
3264 coro_state_destroy (aTHX_ self);
3265 coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
3266
3267
3268SV *
3269enable_times (int enabled = enable_times)
3270 CODE:
3271{
3272 RETVAL = boolSV (enable_times);
3273
3274 if (enabled != enable_times)
3275 {
3276 enable_times = enabled;
3277
3278 coro_times_update ();
3279 (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current));
3280 }
3281}
3282 OUTPUT:
3283 RETVAL
3284
3285void
3286times (Coro::State self)
3287 PPCODE:
3288{
3289 struct coro *current = SvSTATE (coro_current);
3290
3291 if (expect_false (current == self))
3292 {
3293 coro_times_update ();
3294 coro_times_add (SvSTATE (coro_current));
3295 }
3296
3297 EXTEND (SP, 2);
3298 PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));
3299 PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
3300
3301 if (expect_false (current == self))
3302 coro_times_sub (SvSTATE (coro_current));
3303}
2956 3304
2957MODULE = Coro::State PACKAGE = Coro 3305MODULE = Coro::State PACKAGE = Coro
2958 3306
2959BOOT: 3307BOOT:
2960{ 3308{
2961 int i;
2962
2963 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2964 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 3309 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2965 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); 3310 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2966 cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); 3311 cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
2967 cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); 3312 cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2968 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); 3313 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3314 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3315 av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3316 sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
3317 sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
2969 3318
2970 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); 3319 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
2971 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); 3320 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
2972 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); 3321 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
2973 cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); 3322 cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2974 3323
2975 coro_stash = gv_stashpv ("Coro", TRUE); 3324 coro_stash = gv_stashpv ("Coro", TRUE);
2976 3325
2977 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 3326 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
2978 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 3327 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
2979 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); 3328 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
2980 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); 3329 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
2981 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); 3330 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
2982 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); 3331 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
2983
2984 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
2985 coro_ready[i] = newAV ();
2986 3332
2987 { 3333 {
2988 SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); 3334 SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2989 3335
2990 coroapi.schedule = api_schedule; 3336 coroapi.schedule = api_schedule;
3337 coroapi.schedule_to = api_schedule_to;
2991 coroapi.cede = api_cede; 3338 coroapi.cede = api_cede;
2992 coroapi.cede_notself = api_cede_notself; 3339 coroapi.cede_notself = api_cede_notself;
2993 coroapi.ready = api_ready; 3340 coroapi.ready = api_ready;
2994 coroapi.is_ready = api_is_ready; 3341 coroapi.is_ready = api_is_ready;
2995 coroapi.nready = coro_nready; 3342 coroapi.nready = coro_nready;
… …
3000 SvREADONLY_on (sv); 3347 SvREADONLY_on (sv);
3001 } 3348 }
3002} 3349}
3003 3350
3004void 3351void
3352terminate (...)
3353 CODE:
3354 CORO_EXECUTE_SLF_XS (slf_init_terminate);
3355
3356void
3005schedule (...) 3357schedule (...)
3006 CODE: 3358 CODE:
3007 CORO_EXECUTE_SLF_XS (slf_init_schedule); 3359 CORO_EXECUTE_SLF_XS (slf_init_schedule);
3360
3361void
3362schedule_to (...)
3363 CODE:
3364 CORO_EXECUTE_SLF_XS (slf_init_schedule_to);
3365
3366void
3367cede_to (...)
3368 CODE:
3369 CORO_EXECUTE_SLF_XS (slf_init_cede_to);
3008 3370
3009void 3371void
3010cede (...) 3372cede (...)
3011 CODE: 3373 CODE:
3012 CORO_EXECUTE_SLF_XS (slf_init_cede); 3374 CORO_EXECUTE_SLF_XS (slf_init_cede);
… …
3026void 3388void
3027_set_readyhook (SV *hook) 3389_set_readyhook (SV *hook)
3028 PROTOTYPE: $ 3390 PROTOTYPE: $
3029 CODE: 3391 CODE:
3030 SvREFCNT_dec (coro_readyhook); 3392 SvREFCNT_dec (coro_readyhook);
3393 SvGETMAGIC (hook);
3394 if (SvOK (hook))
3395 {
3031 coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; 3396 coro_readyhook = newSVsv (hook);
3397 CORO_READYHOOK = invoke_sv_ready_hook_helper;
3398 CORO_READYHOOK ();
3399 }
3400 else
3401 {
3402 coro_readyhook = 0;
3403 CORO_READYHOOK = 0;
3404 }
3032 3405
3033int 3406int
3034prio (Coro::State coro, int newprio = 0) 3407prio (Coro::State coro, int newprio = 0)
3035 PROTOTYPE: $;$ 3408 PROTOTYPE: $;$
3036 ALIAS: 3409 ALIAS:
… …
3042 if (items > 1) 3415 if (items > 1)
3043 { 3416 {
3044 if (ix) 3417 if (ix)
3045 newprio = coro->prio - newprio; 3418 newprio = coro->prio - newprio;
3046 3419
3047 if (newprio < PRIO_MIN) newprio = PRIO_MIN; 3420 if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3048 if (newprio > PRIO_MAX) newprio = PRIO_MAX; 3421 if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3049 3422
3050 coro->prio = newprio; 3423 coro->prio = newprio;
3051 } 3424 }
3052} 3425}
3053 OUTPUT: 3426 OUTPUT:
… …
3066 PROTOTYPE: 3439 PROTOTYPE:
3067 CODE: 3440 CODE:
3068 RETVAL = coro_nready; 3441 RETVAL = coro_nready;
3069 OUTPUT: 3442 OUTPUT:
3070 RETVAL 3443 RETVAL
3444
3445void
3446suspend (Coro::State self)
3447 PROTOTYPE: $
3448 CODE:
3449 self->flags |= CF_SUSPENDED;
3450
3451void
3452resume (Coro::State self)
3453 PROTOTYPE: $
3454 CODE:
3455 self->flags &= ~CF_SUSPENDED;
3071 3456
3072void 3457void
3073_pool_handler (...) 3458_pool_handler (...)
3074 CODE: 3459 CODE:
3075 CORO_EXECUTE_SLF_XS (slf_init_pool_handler); 3460 CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
… …
3130rouse_wait (...) 3515rouse_wait (...)
3131 PROTOTYPE: ;$ 3516 PROTOTYPE: ;$
3132 PPCODE: 3517 PPCODE:
3133 CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); 3518 CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3134 3519
3520void
3521on_enter (SV *block)
3522 ALIAS:
3523 on_leave = 1
3524 PROTOTYPE: &
3525 CODE:
3526{
3527 struct coro *coro = SvSTATE_current;
3528 AV **avp = ix ? &coro->on_leave : &coro->on_enter;
3529
3530 block = s_get_cv_croak (block);
3531
3532 if (!*avp)
3533 *avp = newAV ();
3534
3535 av_push (*avp, SvREFCNT_inc (block));
3536
3537 if (!ix)
3538 on_enterleave_call (aTHX_ block);
3539
3540 LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
3541 SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
3542 ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
3543}
3544
3135 3545
3136MODULE = Coro::State PACKAGE = PerlIO::cede 3546MODULE = Coro::State PACKAGE = PerlIO::cede
3137 3547
3138BOOT: 3548BOOT:
3139 PerlIO_define_layer (aTHX_ &PerlIO_cede); 3549 PerlIO_define_layer (aTHX_ &PerlIO_cede);
… …
3142MODULE = Coro::State PACKAGE = Coro::Semaphore 3552MODULE = Coro::State PACKAGE = Coro::Semaphore
3143 3553
3144SV * 3554SV *
3145new (SV *klass, SV *count = 0) 3555new (SV *klass, SV *count = 0)
3146 CODE: 3556 CODE:
3557{
3558 int semcnt = 1;
3559
3560 if (count)
3561 {
3562 SvGETMAGIC (count);
3563
3564 if (SvOK (count))
3565 semcnt = SvIV (count);
3566 }
3567
3147 RETVAL = sv_bless ( 3568 RETVAL = sv_bless (
3148 coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), 3569 coro_waitarray_new (aTHX_ semcnt),
3149 GvSTASH (CvGV (cv)) 3570 GvSTASH (CvGV (cv))
3150 ); 3571 );
3572}
3151 OUTPUT: 3573 OUTPUT:
3152 RETVAL 3574 RETVAL
3153 3575
3154# helper for Coro::Channel 3576# helper for Coro::Channel and others
3155SV * 3577SV *
3156_alloc (int count) 3578_alloc (int count)
3157 CODE: 3579 CODE:
3158 RETVAL = coro_waitarray_new (aTHX_ count); 3580 RETVAL = coro_waitarray_new (aTHX_ count);
3159 OUTPUT: 3581 OUTPUT:
… …
3217 for (i = 1; i <= wcount; ++i) 3639 for (i = 1; i <= wcount; ++i)
3218 PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); 3640 PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3219 } 3641 }
3220} 3642}
3221 3643
3644MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
3645
3646void
3647_may_delete (SV *sem, int count, int extra_refs)
3648 PPCODE:
3649{
3650 AV *av = (AV *)SvRV (sem);
3651
3652 if (SvREFCNT ((SV *)av) == 1 + extra_refs
3653 && AvFILLp (av) == 0 /* no waiters, just count */
3654 && SvIV (AvARRAY (av)[0]) == count)
3655 XSRETURN_YES;
3656
3657 XSRETURN_NO;
3658}
3659
3222MODULE = Coro::State PACKAGE = Coro::Signal 3660MODULE = Coro::State PACKAGE = Coro::Signal
3223 3661
3224SV * 3662SV *
3225new (SV *klass) 3663new (SV *klass)
3226 CODE: 3664 CODE:
… …
3297 3735
3298void 3736void
3299_register (char *target, char *proto, SV *req) 3737_register (char *target, char *proto, SV *req)
3300 CODE: 3738 CODE:
3301{ 3739{
3302 CV *req_cv = coro_sv_2cv (aTHX_ req); 3740 SV *req_cv = s_get_cv_croak (req);
3303 /* newXSproto doesn't return the CV on 5.8 */ 3741 /* newXSproto doesn't return the CV on 5.8 */
3304 CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); 3742 CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3305 sv_setpv ((SV *)slf_cv, proto); 3743 sv_setpv ((SV *)slf_cv, proto);
3306 sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); 3744 sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3307} 3745}
3308 3746
3747MODULE = Coro::State PACKAGE = Coro::Select
3748
3749void
3750patch_pp_sselect ()
3751 CODE:
3752 if (!coro_old_pp_sselect)
3753 {
3754 coro_select_select = (SV *)get_cv ("Coro::Select::select", 0);
3755 coro_old_pp_sselect = PL_ppaddr [OP_SSELECT];
3756 PL_ppaddr [OP_SSELECT] = coro_pp_sselect;
3757 }
3758
3759void
3760unpatch_pp_sselect ()
3761 CODE:
3762 if (coro_old_pp_sselect)
3763 {
3764 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
3765 coro_old_pp_sselect = 0;
3766 }
3767
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