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Comparing Coro/Coro/State.xs (file contents):
Revision 1.145 by root, Mon Mar 12 21:40:14 2007 UTC vs.
Revision 1.165 by root, Wed Sep 26 19:26:48 2007 UTC

1#include "libcoro/coro.c" 1#include "libcoro/coro.c"
2
3#define PERL_NO_GET_CONTEXT
2 4
3#include "EXTERN.h" 5#include "EXTERN.h"
4#include "perl.h" 6#include "perl.h"
5#include "XSUB.h" 7#include "XSUB.h"
6 8
… …
86/* prefer perl internal functions over our own? */ 88/* prefer perl internal functions over our own? */
87#ifndef CORO_PREFER_PERL_FUNCTIONS 89#ifndef CORO_PREFER_PERL_FUNCTIONS
88# define CORO_PREFER_PERL_FUNCTIONS 0 90# define CORO_PREFER_PERL_FUNCTIONS 0
89#endif 91#endif
90 92
91/* The next macro should declare a variable stacklevel that contains and approximation 93/* The next macros try to return the current stack pointer, in an as
92 * to the current C stack pointer. Its property is that it changes with each call 94 * portable way as possible. */
93 * and should be unique. */
94#define dSTACKLEVEL int stacklevel 95#define dSTACKLEVEL volatile char stacklevel
95#define STACKLEVEL ((void *)&stacklevel) 96#define STACKLEVEL ((void *)&stacklevel)
96 97
97#define IN_DESTRUCT (PL_main_cv == Nullcv) 98#define IN_DESTRUCT (PL_main_cv == Nullcv)
98 99
99#if __GNUC__ >= 3 100#if __GNUC__ >= 3
… …
127}; 128};
128 129
129static size_t coro_stacksize = CORO_STACKSIZE; 130static size_t coro_stacksize = CORO_STACKSIZE;
130static struct CoroAPI coroapi; 131static struct CoroAPI coroapi;
131static AV *main_mainstack; /* used to differentiate between $main and others */ 132static AV *main_mainstack; /* used to differentiate between $main and others */
133static JMPENV *main_top_env;
132static HV *coro_state_stash, *coro_stash; 134static HV *coro_state_stash, *coro_stash;
133static SV *coro_mortal; /* will be freed after next transfer */ 135static SV *coro_mortal; /* will be freed after next transfer */
134 136
137/* async_pool helper stuff */
138static SV *sv_pool_rss;
139static SV *sv_pool_size;
140static AV *av_async_pool;
141
135static struct coro_cctx *cctx_first; 142static struct coro_cctx *cctx_first;
136static int cctx_count, cctx_idle; 143static int cctx_count, cctx_idle;
144
145enum {
146 CC_MAPPED = 0x01,
147 CC_TRACE = 0x02,
148 CC_NOREUSE = 0x04, /* throw this away after tracing */
149};
137 150
138/* this is a structure representing a c-level coroutine */ 151/* this is a structure representing a c-level coroutine */
139typedef struct coro_cctx { 152typedef struct coro_cctx {
140 struct coro_cctx *next; 153 struct coro_cctx *next;
141 154
… …
150 coro_context cctx; 163 coro_context cctx;
151 164
152#if CORO_USE_VALGRIND 165#if CORO_USE_VALGRIND
153 int valgrind_id; 166 int valgrind_id;
154#endif 167#endif
155 char inuse, mapped; 168 unsigned char flags;
156} coro_cctx; 169} coro_cctx;
157 170
158enum { 171enum {
159 CF_RUNNING = 0x0001, /* coroutine is running */ 172 CF_RUNNING = 0x0001, /* coroutine is running */
160 CF_READY = 0x0002, /* coroutine is ready */ 173 CF_READY = 0x0002, /* coroutine is ready */
… …
175 188
176 /* optionally saved, might be zero */ 189 /* optionally saved, might be zero */
177 AV *defav; /* @_ */ 190 AV *defav; /* @_ */
178 SV *defsv; /* $_ */ 191 SV *defsv; /* $_ */
179 SV *errsv; /* $@ */ 192 SV *errsv; /* $@ */
193 GV *deffh; /* default filehandle */
180 SV *irssv; /* $/ */ 194 SV *irssv; /* $/ */
181 SV *irssv_sv; /* real $/ cache */ 195 SV *irssv_sv; /* real $/ cache */
182 196
183#define VAR(name,type) type name; 197#define VAR(name,type) type name;
184# include "state.h" 198# include "state.h"
185#undef VAR 199#undef VAR
186 200
187 /* coro process data */ 201 /* coro process data */
188 int prio; 202 int prio;
203
204 /* linked list */
205 struct coro *next, *prev;
206 HV *hv; /* the perl hash associated with this coro, if any */
189}; 207};
190 208
191typedef struct coro *Coro__State; 209typedef struct coro *Coro__State;
192typedef struct coro *Coro__State_or_hashref; 210typedef struct coro *Coro__State_or_hashref;
193 211
… …
202 220
203/* for Coro.pm */ 221/* for Coro.pm */
204static SV *coro_current; 222static SV *coro_current;
205static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 223static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
206static int coro_nready; 224static int coro_nready;
225static struct coro *coro_first;
207 226
208/** lowlevel stuff **********************************************************/ 227/** lowlevel stuff **********************************************************/
209 228
210static AV * 229static AV *
211coro_clone_padlist (CV *cv) 230coro_clone_padlist (pTHX_ CV *cv)
212{ 231{
213 AV *padlist = CvPADLIST (cv); 232 AV *padlist = CvPADLIST (cv);
214 AV *newpadlist, *newpad; 233 AV *newpadlist, *newpad;
215 234
216 newpadlist = newAV (); 235 newpadlist = newAV ();
… …
228 247
229 return newpadlist; 248 return newpadlist;
230} 249}
231 250
232static void 251static void
233free_padlist (AV *padlist) 252free_padlist (pTHX_ AV *padlist)
234{ 253{
235 /* may be during global destruction */ 254 /* may be during global destruction */
236 if (SvREFCNT (padlist)) 255 if (SvREFCNT (padlist))
237 { 256 {
238 I32 i = AvFILLp (padlist); 257 I32 i = AvFILLp (padlist);
… …
259 AV *padlist; 278 AV *padlist;
260 AV *av = (AV *)mg->mg_obj; 279 AV *av = (AV *)mg->mg_obj;
261 280
262 /* casting is fun. */ 281 /* casting is fun. */
263 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) 282 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
264 free_padlist (padlist); 283 free_padlist (aTHX_ padlist);
265 284
266 SvREFCNT_dec (av); 285 SvREFCNT_dec (av);
267 286
268 return 0; 287 return 0;
269} 288}
… …
279 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 298 : mg_find ((SV *)cv, PERL_MAGIC_coro) \
280 : 0 299 : 0
281 300
282/* the next two functions merely cache the padlists */ 301/* the next two functions merely cache the padlists */
283static void 302static void
284get_padlist (CV *cv) 303get_padlist (pTHX_ CV *cv)
285{ 304{
286 MAGIC *mg = CORO_MAGIC (cv); 305 MAGIC *mg = CORO_MAGIC (cv);
287 AV *av; 306 AV *av;
288 307
289 if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) 308 if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)
… …
295 CV *cp = Perl_cv_clone (cv); 314 CV *cp = Perl_cv_clone (cv);
296 CvPADLIST (cv) = CvPADLIST (cp); 315 CvPADLIST (cv) = CvPADLIST (cp);
297 CvPADLIST (cp) = 0; 316 CvPADLIST (cp) = 0;
298 SvREFCNT_dec (cp); 317 SvREFCNT_dec (cp);
299#else 318#else
300 CvPADLIST (cv) = coro_clone_padlist (cv); 319 CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
301#endif 320#endif
302 } 321 }
303} 322}
304 323
305static void 324static void
306put_padlist (CV *cv) 325put_padlist (pTHX_ CV *cv)
307{ 326{
308 MAGIC *mg = CORO_MAGIC (cv); 327 MAGIC *mg = CORO_MAGIC (cv);
309 AV *av; 328 AV *av;
310 329
311 if (!mg) 330 if (!mg)
… …
330#define SE } while (0) 349#define SE } while (0)
331 350
332#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE 351#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
333 352
334static void 353static void
335load_perl (Coro__State c) 354load_perl (pTHX_ Coro__State c)
336{ 355{
337#define VAR(name,type) PL_ ## name = c->name; 356#define VAR(name,type) PL_ ## name = c->name;
338# include "state.h" 357# include "state.h"
339#undef VAR 358#undef VAR
340 359
341 if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); 360 if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
342 if (c->defsv) REPLACE_SV (DEFSV , c->defsv); 361 if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
343 if (c->errsv) REPLACE_SV (ERRSV , c->errsv); 362 if (c->errsv) REPLACE_SV (ERRSV , c->errsv);
363 if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);
364
344 if (c->irssv) 365 if (c->irssv)
345 { 366 {
346 if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv)) 367 if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv))
368 {
347 SvREFCNT_dec (c->irssv); 369 SvREFCNT_dec (c->irssv);
370 c->irssv = 0;
371 }
348 else 372 else
349 { 373 {
350 REPLACE_SV (PL_rs, c->irssv); 374 REPLACE_SV (PL_rs, c->irssv);
351 if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0); 375 if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
352 sv_setsv (c->irssv_sv, PL_rs); 376 sv_setsv (c->irssv_sv, PL_rs);
… …
358 CV *cv; 382 CV *cv;
359 383
360 /* now do the ugly restore mess */ 384 /* now do the ugly restore mess */
361 while ((cv = (CV *)POPs)) 385 while ((cv = (CV *)POPs))
362 { 386 {
363 put_padlist (cv); /* mark this padlist as available */ 387 put_padlist (aTHX_ cv); /* mark this padlist as available */
364 CvDEPTH (cv) = PTR2IV (POPs); 388 CvDEPTH (cv) = PTR2IV (POPs);
365 CvPADLIST (cv) = (AV *)POPs; 389 CvPADLIST (cv) = (AV *)POPs;
366 } 390 }
367 391
368 PUTBACK; 392 PUTBACK;
369 } 393 }
370 assert (!PL_comppad || AvARRAY (PL_comppad));//D
371} 394}
372 395
373static void 396static void
374save_perl (Coro__State c) 397save_perl (pTHX_ Coro__State c)
375{ 398{
376 assert (!PL_comppad || AvARRAY (PL_comppad));//D
377 { 399 {
378 dSP; 400 dSP;
379 I32 cxix = cxstack_ix; 401 I32 cxix = cxstack_ix;
380 PERL_CONTEXT *ccstk = cxstack; 402 PERL_CONTEXT *ccstk = cxstack;
381 PERL_SI *top_si = PL_curstackinfo; 403 PERL_SI *top_si = PL_curstackinfo;
… …
383 /* 405 /*
384 * the worst thing you can imagine happens first - we have to save 406 * the worst thing you can imagine happens first - we have to save
385 * (and reinitialize) all cv's in the whole callchain :( 407 * (and reinitialize) all cv's in the whole callchain :(
386 */ 408 */
387 409
388 EXTEND (SP, 3 + 1);
389 PUSHs (Nullsv); 410 XPUSHs (Nullsv);
390 /* this loop was inspired by pp_caller */ 411 /* this loop was inspired by pp_caller */
391 for (;;) 412 for (;;)
392 { 413 {
393 while (cxix >= 0) 414 while (cxix >= 0)
394 { 415 {
395 PERL_CONTEXT *cx = &ccstk[cxix--]; 416 PERL_CONTEXT *cx = &ccstk[cxix--];
396 417
397 if (CxTYPE (cx) == CXt_SUB) 418 if (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)
398 { 419 {
399 CV *cv = cx->blk_sub.cv; 420 CV *cv = cx->blk_sub.cv;
400 421
401 if (CvDEPTH (cv)) 422 if (CvDEPTH (cv))
402 { 423 {
… …
404 PUSHs ((SV *)CvPADLIST (cv)); 425 PUSHs ((SV *)CvPADLIST (cv));
405 PUSHs (INT2PTR (SV *, CvDEPTH (cv))); 426 PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
406 PUSHs ((SV *)cv); 427 PUSHs ((SV *)cv);
407 428
408 CvDEPTH (cv) = 0; 429 CvDEPTH (cv) = 0;
409 get_padlist (cv); 430 get_padlist (aTHX_ cv);
410 } 431 }
411 } 432 }
412 } 433 }
413 434
414 if (top_si->si_type == PERLSI_MAIN) 435 if (top_si->si_type == PERLSI_MAIN)
415 break; 436 break;
416 437
417 top_si = top_si->si_prev; 438 top_si = top_si->si_prev;
418 ccstk = top_si->si_cxstack; 439 ccstk = top_si->si_cxstack;
419 cxix = top_si->si_cxix; 440 cxix = top_si->si_cxix;
420 } 441 }
421 442
422 PUTBACK; 443 PUTBACK;
423 } 444 }
424 445
425 c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; 446 c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;
426 c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; 447 c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;
427 c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; 448 c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;
449 c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;
428 c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; 450 c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
429 451
430#define VAR(name,type)c->name = PL_ ## name; 452#define VAR(name,type)c->name = PL_ ## name;
431# include "state.h" 453# include "state.h"
432#undef VAR 454#undef VAR
… …
440 */ 462 */
441#if CORO_PREFER_PERL_FUNCTIONS 463#if CORO_PREFER_PERL_FUNCTIONS
442# define coro_init_stacks init_stacks 464# define coro_init_stacks init_stacks
443#else 465#else
444static void 466static void
445coro_init_stacks () 467coro_init_stacks (pTHX)
446{ 468{
447 PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT)); 469 PL_curstackinfo = new_stackinfo(64, 6);
448 PL_curstackinfo->si_type = PERLSI_MAIN; 470 PL_curstackinfo->si_type = PERLSI_MAIN;
449 PL_curstack = PL_curstackinfo->si_stack; 471 PL_curstack = PL_curstackinfo->si_stack;
450 PL_mainstack = PL_curstack; /* remember in case we switch stacks */ 472 PL_mainstack = PL_curstack; /* remember in case we switch stacks */
451 473
452 PL_stack_base = AvARRAY(PL_curstack); 474 PL_stack_base = AvARRAY(PL_curstack);
453 PL_stack_sp = PL_stack_base; 475 PL_stack_sp = PL_stack_base;
454 PL_stack_max = PL_stack_base + AvMAX(PL_curstack); 476 PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
455 477
456 New(50,PL_tmps_stack,128,SV*); 478 New(50,PL_tmps_stack,64,SV*);
457 PL_tmps_floor = -1; 479 PL_tmps_floor = -1;
458 PL_tmps_ix = -1; 480 PL_tmps_ix = -1;
459 PL_tmps_max = 128; 481 PL_tmps_max = 64;
460 482
461 New(54,PL_markstack,32,I32); 483 New(54,PL_markstack,16,I32);
462 PL_markstack_ptr = PL_markstack; 484 PL_markstack_ptr = PL_markstack;
463 PL_markstack_max = PL_markstack + 32; 485 PL_markstack_max = PL_markstack + 16;
464 486
465#ifdef SET_MARK_OFFSET 487#ifdef SET_MARK_OFFSET
466 SET_MARK_OFFSET; 488 SET_MARK_OFFSET;
467#endif 489#endif
468 490
469 New(54,PL_scopestack,32,I32); 491 New(54,PL_scopestack,16,I32);
470 PL_scopestack_ix = 0; 492 PL_scopestack_ix = 0;
471 PL_scopestack_max = 32; 493 PL_scopestack_max = 16;
472 494
473 New(54,PL_savestack,64,ANY); 495 New(54,PL_savestack,64,ANY);
474 PL_savestack_ix = 0; 496 PL_savestack_ix = 0;
475 PL_savestack_max = 64; 497 PL_savestack_max = 64;
476 498
477#if !PERL_VERSION_ATLEAST (5,9,0) 499#if !PERL_VERSION_ATLEAST (5,9,0)
478 New(54,PL_retstack,16,OP*); 500 New(54,PL_retstack,4,OP*);
479 PL_retstack_ix = 0; 501 PL_retstack_ix = 0;
480 PL_retstack_max = 16; 502 PL_retstack_max = 4;
481#endif 503#endif
482} 504}
483#endif 505#endif
484 506
485/* 507/*
486 * destroy the stacks, the callchain etc... 508 * destroy the stacks, the callchain etc...
487 */ 509 */
488static void 510static void
489coro_destroy_stacks () 511coro_destroy_stacks (pTHX)
490{ 512{
491 if (!IN_DESTRUCT) 513 if (!IN_DESTRUCT)
492 { 514 {
493 /* restore all saved variables and stuff */ 515 /* restore all saved variables and stuff */
494 LEAVE_SCOPE (0); 516 LEAVE_SCOPE (0);
… …
527#if !PERL_VERSION_ATLEAST (5,9,0) 549#if !PERL_VERSION_ATLEAST (5,9,0)
528 Safefree (PL_retstack); 550 Safefree (PL_retstack);
529#endif 551#endif
530} 552}
531 553
554static size_t
555coro_rss (struct coro *coro)
556{
557 size_t rss = sizeof (coro);
558
559 if (coro->mainstack)
560 {
561 if (coro->flags & CF_RUNNING)
562 {
563 #define VAR(name,type)coro->name = PL_ ## name;
564 # include "state.h"
565 #undef VAR
566 }
567
568 rss += sizeof (coro->curstackinfo);
569 rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
570 rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
571 rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
572 rss += coro->tmps_max * sizeof (SV *);
573 rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
574 rss += coro->scopestack_max * sizeof (I32);
575 rss += coro->savestack_max * sizeof (ANY);
576
577#if !PERL_VERSION_ATLEAST (5,9,0)
578 rss += coro->retstack_max * sizeof (OP *);
579#endif
580 }
581
582 return rss;
583}
584
532/** coroutine stack handling ************************************************/ 585/** coroutine stack handling ************************************************/
533 586
534static void 587static void
535setup_coro (struct coro *coro) 588setup_coro (pTHX_ struct coro *coro)
536{ 589{
537 /* 590 /*
538 * emulate part of the perl startup here. 591 * emulate part of the perl startup here.
539 */ 592 */
540
541 coro_init_stacks (); 593 coro_init_stacks (aTHX);
542 594
543 PL_curcop = &PL_compiling; 595 PL_curcop = &PL_compiling;
544 PL_in_eval = EVAL_NULL; 596 PL_in_eval = EVAL_NULL;
545 PL_comppad = 0; 597 PL_comppad = 0;
546 PL_curpm = 0; 598 PL_curpm = 0;
… …
558 Zero (&myop, 1, LOGOP); 610 Zero (&myop, 1, LOGOP);
559 myop.op_next = Nullop; 611 myop.op_next = Nullop;
560 myop.op_flags = OPf_WANT_VOID; 612 myop.op_flags = OPf_WANT_VOID;
561 613
562 PUSHMARK (SP); 614 PUSHMARK (SP);
563 XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE)); 615 XPUSHs (av_shift (GvAV (PL_defgv)));
564 PUTBACK; 616 PUTBACK;
565 PL_op = (OP *)&myop; 617 PL_op = (OP *)&myop;
566 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 618 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
567 SPAGAIN; 619 SPAGAIN;
568 } 620 }
569 621
570 ENTER; /* necessary e.g. for dounwind */ 622 ENTER; /* necessary e.g. for dounwind */
571} 623}
572 624
573static void 625static void
574free_coro_mortal () 626free_coro_mortal (pTHX)
575{ 627{
576 if (coro_mortal) 628 if (coro_mortal)
577 { 629 {
578 SvREFCNT_dec (coro_mortal); 630 SvREFCNT_dec (coro_mortal);
579 coro_mortal = 0; 631 coro_mortal = 0;
580 } 632 }
581} 633}
582 634
635static void
636do_trace (pTHX)
637{
638 if (PL_curcop != &PL_compiling)
639 {
640 runops_proc_t old_runops = PL_runops;
641 dSP;
642 ENTER;
643 SAVETMPS;
644 PUSHMARK (SP);
645 PUTBACK;
646 PL_runops = RUNOPS_DEFAULT;
647 call_pv ("Coro::_do_trace", G_KEEPERR | G_EVAL | G_VOID | G_DISCARD | G_NOARGS);
648 PL_runops = old_runops;
649 SPAGAIN;
650 FREETMPS;
651 LEAVE;
652 PUTBACK;
653 }
654}
655
656static int
657runops_coro (pTHX)
658{
659 COP *oldcop = 0;
660
661 while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
662 {
663 PERL_ASYNC_CHECK ();
664
665 if (oldcop != PL_curcop)
666 {
667 oldcop = PL_curcop;
668 do_trace (aTHX);
669 }
670 }
671
672 TAINT_NOT;
673 return 0;
674}
675
583/* inject a fake call to Coro::State::_cctx_init into the execution */ 676/* inject a fake call to Coro::State::_cctx_init into the execution */
677/* _cctx_init should be careful, as it could be called at almost any time */
678/* during execution of a perl program */
584static void NOINLINE 679static void NOINLINE
585prepare_cctx (coro_cctx *cctx) 680prepare_cctx (pTHX_ coro_cctx *cctx)
586{ 681{
587 dSP; 682 dSP;
588 LOGOP myop; 683 LOGOP myop;
684
685 PL_top_env = &PL_start_env;
686
687 if (cctx->flags & CC_TRACE)
688 PL_runops = runops_coro;
589 689
590 Zero (&myop, 1, LOGOP); 690 Zero (&myop, 1, LOGOP);
591 myop.op_next = PL_op; 691 myop.op_next = PL_op;
592 myop.op_flags = OPf_WANT_VOID | OPf_STACKED; 692 myop.op_flags = OPf_WANT_VOID | OPf_STACKED;
593 693
… …
599 PL_op = (OP *)&myop; 699 PL_op = (OP *)&myop;
600 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 700 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
601 SPAGAIN; 701 SPAGAIN;
602} 702}
603 703
704/*
705 * this is a _very_ stripped down perl interpreter ;)
706 */
604static void 707static void
605coro_run (void *arg) 708coro_run (void *arg)
606{ 709{
710 dTHX;
711
607 /* coro_run is the alternative tail of transfer(), so unlock here. */ 712 /* coro_run is the alternative tail of transfer(), so unlock here. */
608 UNLOCK; 713 UNLOCK;
609 714
610 /* 715 /* we now skip the entersub that lead to transfer() */
611 * this is a _very_ stripped down perl interpreter ;) 716 PL_op = PL_op->op_next;
612 */
613 PL_top_env = &PL_start_env;
614 717
615 /* inject call to cctx_init */ 718 /* inject a fake subroutine call to cctx_init */
616 prepare_cctx ((coro_cctx *)arg); 719 prepare_cctx (aTHX_ (coro_cctx *)arg);
617 720
618 /* somebody will hit me for both perl_run and PL_restartop */ 721 /* somebody or something will hit me for both perl_run and PL_restartop */
619 PL_restartop = PL_op; 722 PL_restartop = PL_op;
620 perl_run (PL_curinterp); 723 perl_run (PL_curinterp);
621 724
622 fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr); 725 /*
623 abort (); 726 * If perl-run returns we assume exit() was being called or the coro
727 * fell off the end, which seems to be the only valid (non-bug)
728 * reason for perl_run to return. We try to exit by jumping to the
729 * bootstrap-time "top" top_env, as we cannot restore the "main"
730 * coroutine as Coro has no such concept
731 */
732 PL_top_env = main_top_env;
733 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
624} 734}
625 735
626static coro_cctx * 736static coro_cctx *
627cctx_new () 737cctx_new ()
628{ 738{
… …
645# if CORO_STACKGUARD 755# if CORO_STACKGUARD
646 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); 756 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
647# endif 757# endif
648 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; 758 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
649 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; 759 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
650 cctx->mapped = 1; 760 cctx->flags |= CC_MAPPED;
651 } 761 }
652 else 762 else
653#endif 763#endif
654 { 764 {
655 cctx->ssize = coro_stacksize * (long)sizeof (long); 765 cctx->ssize = coro_stacksize * (long)sizeof (long);
… …
682#if CORO_USE_VALGRIND 792#if CORO_USE_VALGRIND
683 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); 793 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
684#endif 794#endif
685 795
686#if HAVE_MMAP 796#if HAVE_MMAP
687 if (cctx->mapped) 797 if (cctx->flags & CC_MAPPED)
688 munmap (cctx->sptr, cctx->ssize); 798 munmap (cctx->sptr, cctx->ssize);
689 else 799 else
690#endif 800#endif
691 Safefree (cctx->sptr); 801 Safefree (cctx->sptr);
692 802
693 Safefree (cctx); 803 Safefree (cctx);
694} 804}
695 805
696static coro_cctx * 806static coro_cctx *
697cctx_get () 807cctx_get (pTHX)
698{ 808{
699 while (cctx_first) 809 while (cctx_first)
700 { 810 {
701 coro_cctx *cctx = cctx_first; 811 coro_cctx *cctx = cctx_first;
702 cctx_first = cctx->next; 812 cctx_first = cctx->next;
703 --cctx_idle; 813 --cctx_idle;
704 814
705 if (cctx->ssize >= coro_stacksize) 815 if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
706 return cctx; 816 return cctx;
707 817
708 cctx_destroy (cctx); 818 cctx_destroy (cctx);
709 } 819 }
710 820
711 PL_op = PL_op->op_next;
712 return cctx_new (); 821 return cctx_new ();
713} 822}
714 823
715static void 824static void
716cctx_put (coro_cctx *cctx) 825cctx_put (coro_cctx *cctx)
… …
720 { 829 {
721 coro_cctx *first = cctx_first; 830 coro_cctx *first = cctx_first;
722 cctx_first = first->next; 831 cctx_first = first->next;
723 --cctx_idle; 832 --cctx_idle;
724 833
725 assert (!first->inuse);
726 cctx_destroy (first); 834 cctx_destroy (first);
727 } 835 }
728 836
729 ++cctx_idle; 837 ++cctx_idle;
730 cctx->next = cctx_first; 838 cctx->next = cctx_first;
… …
733 841
734/** coroutine switching *****************************************************/ 842/** coroutine switching *****************************************************/
735 843
736/* never call directly, always through the coro_state_transfer global variable */ 844/* never call directly, always through the coro_state_transfer global variable */
737static void NOINLINE 845static void NOINLINE
738transfer (struct coro *prev, struct coro *next) 846transfer (pTHX_ struct coro *prev, struct coro *next)
739{ 847{
740 dSTACKLEVEL; 848 dSTACKLEVEL;
741 849
742 /* sometimes transfer is only called to set idle_sp */ 850 /* sometimes transfer is only called to set idle_sp */
743 if (!next) 851 if (!next)
… …
751 859
752 if (prev->flags & CF_NEW) 860 if (prev->flags & CF_NEW)
753 { 861 {
754 /* create a new empty context */ 862 /* create a new empty context */
755 Newz (0, prev->cctx, 1, coro_cctx); 863 Newz (0, prev->cctx, 1, coro_cctx);
756 prev->cctx->inuse = 1;
757 prev->flags &= ~CF_NEW; 864 prev->flags &= ~CF_NEW;
758 prev->flags |= CF_RUNNING; 865 prev->flags |= CF_RUNNING;
759 } 866 }
760 867
761 /*TODO: must not croak here */ 868 /*TODO: must not croak here */
… …
776 if (next->flags & CF_NEW) 883 if (next->flags & CF_NEW)
777 { 884 {
778 /* need to start coroutine */ 885 /* need to start coroutine */
779 next->flags &= ~CF_NEW; 886 next->flags &= ~CF_NEW;
780 /* first get rid of the old state */ 887 /* first get rid of the old state */
781 save_perl (prev); 888 save_perl (aTHX_ prev);
782 /* setup coroutine call */ 889 /* setup coroutine call */
783 setup_coro (next); 890 setup_coro (aTHX_ next);
784 /* need a new stack */
785 assert (!next->cctx);
786 } 891 }
787 else 892 else
788 { 893 {
789 /* coroutine already started */ 894 /* coroutine already started */
790 save_perl (prev); 895 save_perl (aTHX_ prev);
791 load_perl (next); 896 load_perl (aTHX_ next);
792 } 897 }
793 898
794 prev__cctx = prev->cctx; 899 prev__cctx = prev->cctx;
795 900
796 /* possibly "free" the cctx */ 901 /* possibly "free" the cctx */
… …
800 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 905 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
801 906
802 prev->cctx = 0; 907 prev->cctx = 0;
803 908
804 cctx_put (prev__cctx); 909 cctx_put (prev__cctx);
805 prev__cctx->inuse = 0;
806 } 910 }
807 911
808 if (!next->cctx) 912 if (!next->cctx)
809 {
810 next->cctx = cctx_get (); 913 next->cctx = cctx_get (aTHX);
811 assert (!next->cctx->inuse);
812 next->cctx->inuse = 1;
813 }
814 914
815 if (prev__cctx != next->cctx) 915 if (prev__cctx != next->cctx)
816 { 916 {
817 prev__cctx->top_env = PL_top_env; 917 prev__cctx->top_env = PL_top_env;
818 PL_top_env = next->cctx->top_env; 918 PL_top_env = next->cctx->top_env;
819 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); 919 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
820 } 920 }
821 921
822 free_coro_mortal (); 922 free_coro_mortal (aTHX);
823 UNLOCK; 923 UNLOCK;
824 } 924 }
825} 925}
826 926
827struct transfer_args 927struct transfer_args
828{ 928{
829 struct coro *prev, *next; 929 struct coro *prev, *next;
830}; 930};
831 931
832#define TRANSFER(ta) transfer ((ta).prev, (ta).next) 932#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
833 933
834/** high level stuff ********************************************************/ 934/** high level stuff ********************************************************/
835 935
836static int 936static int
837coro_state_destroy (struct coro *coro) 937coro_state_destroy (pTHX_ struct coro *coro)
838{ 938{
839 if (coro->flags & CF_DESTROYED) 939 if (coro->flags & CF_DESTROYED)
840 return 0; 940 return 0;
841 941
842 coro->flags |= CF_DESTROYED; 942 coro->flags |= CF_DESTROYED;
… …
862 temp.save = CORO_SAVE_ALL; 962 temp.save = CORO_SAVE_ALL;
863 963
864 if (coro->flags & CF_RUNNING) 964 if (coro->flags & CF_RUNNING)
865 croak ("FATAL: tried to destroy currently running coroutine"); 965 croak ("FATAL: tried to destroy currently running coroutine");
866 966
867 save_perl (&temp); 967 save_perl (aTHX_ &temp);
868 load_perl (coro); 968 load_perl (aTHX_ coro);
869 969
870 coro_destroy_stacks (); 970 coro_destroy_stacks (aTHX);
871 971
872 load_perl (&temp); /* this will get rid of defsv etc.. */ 972 load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
873 973
874 coro->mainstack = 0; 974 coro->mainstack = 0;
875 } 975 }
876 976
877 cctx_destroy (coro->cctx); 977 cctx_destroy (coro->cctx);
878 SvREFCNT_dec (coro->args); 978 SvREFCNT_dec (coro->args);
879 979
980 if (coro->next) coro->next->prev = coro->prev;
981 if (coro->prev) coro->prev->next = coro->next;
982 if (coro == coro_first) coro_first = coro->next;
983
880 return 1; 984 return 1;
881} 985}
882 986
883static int 987static int
884coro_state_free (pTHX_ SV *sv, MAGIC *mg) 988coro_state_free (pTHX_ SV *sv, MAGIC *mg)
885{ 989{
886 struct coro *coro = (struct coro *)mg->mg_ptr; 990 struct coro *coro = (struct coro *)mg->mg_ptr;
887 mg->mg_ptr = 0; 991 mg->mg_ptr = 0;
888 992
993 coro->hv = 0;
994
889 if (--coro->refcnt < 0) 995 if (--coro->refcnt < 0)
890 { 996 {
891 coro_state_destroy (coro); 997 coro_state_destroy (aTHX_ coro);
892 Safefree (coro); 998 Safefree (coro);
893 } 999 }
894 1000
895 return 0; 1001 return 0;
896} 1002}
… …
915# define MGf_DUP 0 1021# define MGf_DUP 0
916#endif 1022#endif
917}; 1023};
918 1024
919static struct coro * 1025static struct coro *
920SvSTATE (SV *coro) 1026SvSTATE_ (pTHX_ SV *coro)
921{ 1027{
922 HV *stash; 1028 HV *stash;
923 MAGIC *mg; 1029 MAGIC *mg;
924 1030
925 if (SvROK (coro)) 1031 if (SvROK (coro))
… …
935 1041
936 mg = CORO_MAGIC (coro); 1042 mg = CORO_MAGIC (coro);
937 return (struct coro *)mg->mg_ptr; 1043 return (struct coro *)mg->mg_ptr;
938} 1044}
939 1045
1046#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
1047
940static void 1048static void
941prepare_transfer (struct transfer_args *ta, SV *prev_sv, SV *next_sv) 1049prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv)
942{ 1050{
943 ta->prev = SvSTATE (prev_sv); 1051 ta->prev = SvSTATE (prev_sv);
944 ta->next = SvSTATE (next_sv); 1052 ta->next = SvSTATE (next_sv);
945} 1053}
946 1054
947static void 1055static void
948api_transfer (SV *prev_sv, SV *next_sv) 1056api_transfer (SV *prev_sv, SV *next_sv)
949{ 1057{
1058 dTHX;
950 struct transfer_args ta; 1059 struct transfer_args ta;
951 1060
952 prepare_transfer (&ta, prev_sv, next_sv); 1061 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
953 TRANSFER (ta); 1062 TRANSFER (ta);
954} 1063}
955 1064
956static int 1065static int
957api_save (SV *coro_sv, int new_save) 1066api_save (SV *coro_sv, int new_save)
958{ 1067{
1068 dTHX;
959 struct coro *coro = SvSTATE (coro_sv); 1069 struct coro *coro = SvSTATE (coro_sv);
960 int old_save = coro->save; 1070 int old_save = coro->save;
961 1071
962 if (new_save >= 0) 1072 if (new_save >= 0)
963 coro->save = new_save; 1073 coro->save = new_save;
… …
966} 1076}
967 1077
968/** Coro ********************************************************************/ 1078/** Coro ********************************************************************/
969 1079
970static void 1080static void
971coro_enq (SV *coro_sv) 1081coro_enq (pTHX_ SV *coro_sv)
972{ 1082{
973 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); 1083 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
974} 1084}
975 1085
976static SV * 1086static SV *
977coro_deq (int min_prio) 1087coro_deq (pTHX_ int min_prio)
978{ 1088{
979 int prio = PRIO_MAX - PRIO_MIN; 1089 int prio = PRIO_MAX - PRIO_MIN;
980 1090
981 min_prio -= PRIO_MIN; 1091 min_prio -= PRIO_MIN;
982 if (min_prio < 0) 1092 if (min_prio < 0)
… …
990} 1100}
991 1101
992static int 1102static int
993api_ready (SV *coro_sv) 1103api_ready (SV *coro_sv)
994{ 1104{
1105 dTHX;
995 struct coro *coro; 1106 struct coro *coro;
996 1107
997 if (SvROK (coro_sv)) 1108 if (SvROK (coro_sv))
998 coro_sv = SvRV (coro_sv); 1109 coro_sv = SvRV (coro_sv);
999 1110
… …
1003 return 0; 1114 return 0;
1004 1115
1005 coro->flags |= CF_READY; 1116 coro->flags |= CF_READY;
1006 1117
1007 LOCK; 1118 LOCK;
1008 coro_enq (SvREFCNT_inc (coro_sv)); 1119 coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1009 ++coro_nready; 1120 ++coro_nready;
1010 UNLOCK; 1121 UNLOCK;
1011 1122
1012 return 1; 1123 return 1;
1013} 1124}
1014 1125
1015static int 1126static int
1016api_is_ready (SV *coro_sv) 1127api_is_ready (SV *coro_sv)
1017{ 1128{
1129 dTHX;
1018 return !!(SvSTATE (coro_sv)->flags & CF_READY); 1130 return !!(SvSTATE (coro_sv)->flags & CF_READY);
1019} 1131}
1020 1132
1021static void 1133static void
1022prepare_schedule (struct transfer_args *ta) 1134prepare_schedule (pTHX_ struct transfer_args *ta)
1023{ 1135{
1024 SV *prev_sv, *next_sv; 1136 SV *prev_sv, *next_sv;
1025 1137
1026 for (;;) 1138 for (;;)
1027 { 1139 {
1028 LOCK; 1140 LOCK;
1029 next_sv = coro_deq (PRIO_MIN); 1141 next_sv = coro_deq (aTHX_ PRIO_MIN);
1030 1142
1031 /* nothing to schedule: call the idle handler */ 1143 /* nothing to schedule: call the idle handler */
1032 if (!next_sv) 1144 if (!next_sv)
1033 { 1145 {
1034 dSP; 1146 dSP;
… …
1069 1181
1070 assert (ta->next->flags & CF_READY); 1182 assert (ta->next->flags & CF_READY);
1071 ta->next->flags &= ~CF_READY; 1183 ta->next->flags &= ~CF_READY;
1072 1184
1073 LOCK; 1185 LOCK;
1074 free_coro_mortal (); 1186 free_coro_mortal (aTHX);
1075 coro_mortal = prev_sv; 1187 coro_mortal = prev_sv;
1076 UNLOCK; 1188 UNLOCK;
1077} 1189}
1078 1190
1079static void 1191static void
1080prepare_cede (struct transfer_args *ta) 1192prepare_cede (pTHX_ struct transfer_args *ta)
1081{ 1193{
1082 api_ready (coro_current); 1194 api_ready (coro_current);
1083 prepare_schedule (ta); 1195 prepare_schedule (aTHX_ ta);
1084} 1196}
1085 1197
1086static int 1198static int
1087prepare_cede_notself (struct transfer_args *ta) 1199prepare_cede_notself (pTHX_ struct transfer_args *ta)
1088{ 1200{
1089 if (coro_nready) 1201 if (coro_nready)
1090 { 1202 {
1091 SV *prev = SvRV (coro_current); 1203 SV *prev = SvRV (coro_current);
1092 prepare_schedule (ta); 1204 prepare_schedule (aTHX_ ta);
1093 api_ready (prev); 1205 api_ready (prev);
1094 return 1; 1206 return 1;
1095 } 1207 }
1096 else 1208 else
1097 return 0; 1209 return 0;
1098} 1210}
1099 1211
1100static void 1212static void
1101api_schedule (void) 1213api_schedule (void)
1102{ 1214{
1215 dTHX;
1103 struct transfer_args ta; 1216 struct transfer_args ta;
1104 1217
1105 prepare_schedule (&ta); 1218 prepare_schedule (aTHX_ &ta);
1106 TRANSFER (ta); 1219 TRANSFER (ta);
1107} 1220}
1108 1221
1109static int 1222static int
1110api_cede (void) 1223api_cede (void)
1111{ 1224{
1225 dTHX;
1112 struct transfer_args ta; 1226 struct transfer_args ta;
1113 1227
1114 prepare_cede (&ta); 1228 prepare_cede (aTHX_ &ta);
1115 1229
1116 if (ta.prev != ta.next) 1230 if (ta.prev != ta.next)
1117 { 1231 {
1118 TRANSFER (ta); 1232 TRANSFER (ta);
1119 return 1; 1233 return 1;
… …
1123} 1237}
1124 1238
1125static int 1239static int
1126api_cede_notself (void) 1240api_cede_notself (void)
1127{ 1241{
1242 dTHX;
1128 struct transfer_args ta; 1243 struct transfer_args ta;
1129 1244
1130 if (prepare_cede_notself (&ta)) 1245 if (prepare_cede_notself (aTHX_ &ta))
1131 { 1246 {
1132 TRANSFER (ta); 1247 TRANSFER (ta);
1133 return 1; 1248 return 1;
1134 } 1249 }
1135 else 1250 else
… …
1151 1266
1152 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); 1267 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1153 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); 1268 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1154 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); 1269 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1155 newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); 1270 newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1271 newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1272 newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1156 newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); 1273 newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1157 1274
1158 main_mainstack = PL_mainstack; 1275 main_mainstack = PL_mainstack;
1276 main_top_env = PL_top_env;
1277
1278 while (main_top_env->je_prev)
1279 main_top_env = main_top_env->je_prev;
1159 1280
1160 coroapi.ver = CORO_API_VERSION; 1281 coroapi.ver = CORO_API_VERSION;
1161 coroapi.transfer = api_transfer; 1282 coroapi.transfer = api_transfer;
1162 1283
1163 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 1284 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
… …
1171 HV *hv; 1292 HV *hv;
1172 int i; 1293 int i;
1173 1294
1174 Newz (0, coro, 1, struct coro); 1295 Newz (0, coro, 1, struct coro);
1175 coro->args = newAV (); 1296 coro->args = newAV ();
1176 coro->save = CORO_SAVE_ALL; 1297 coro->save = CORO_SAVE_DEF;
1177 coro->flags = CF_NEW; 1298 coro->flags = CF_NEW;
1178 1299
1300 if (coro_first) coro_first->prev = coro;
1301 coro->next = coro_first;
1302 coro_first = coro;
1303
1179 hv = newHV (); 1304 coro->hv = hv = newHV ();
1180 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; 1305 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP;
1181 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); 1306 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1182 1307
1183 for (i = 1; i < items; i++) 1308 for (i = 1; i < items; i++)
1184 av_push (coro->args, newSVsv (ST (i))); 1309 av_push (coro->args, newSVsv (ST (i)));
… …
1188 1313
1189int 1314int
1190save (SV *coro, int new_save = -1) 1315save (SV *coro, int new_save = -1)
1191 CODE: 1316 CODE:
1192 RETVAL = api_save (coro, new_save); 1317 RETVAL = api_save (coro, new_save);
1318 OUTPUT:
1319 RETVAL
1320
1321int
1322save_also (SV *coro_sv, int save_also)
1323 CODE:
1324{
1325 struct coro *coro = SvSTATE (coro_sv);
1326 RETVAL = coro->save;
1327 coro->save |= save_also;
1328}
1193 OUTPUT: 1329 OUTPUT:
1194 RETVAL 1330 RETVAL
1195 1331
1196void 1332void
1197_set_stacklevel (...) 1333_set_stacklevel (...)
… …
1213 1349
1214 case 1: 1350 case 1:
1215 if (items != 2) 1351 if (items != 2)
1216 croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); 1352 croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1217 1353
1218 prepare_transfer (&ta, ST (0), ST (1)); 1354 prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1219 break; 1355 break;
1220 1356
1221 case 2: 1357 case 2:
1222 prepare_schedule (&ta); 1358 prepare_schedule (aTHX_ &ta);
1223 break; 1359 break;
1224 1360
1225 case 3: 1361 case 3:
1226 prepare_cede (&ta); 1362 prepare_cede (aTHX_ &ta);
1227 break; 1363 break;
1228 1364
1229 case 4: 1365 case 4:
1230 if (!prepare_cede_notself (&ta)) 1366 if (!prepare_cede_notself (aTHX_ &ta))
1231 XSRETURN_EMPTY; 1367 XSRETURN_EMPTY;
1232 1368
1233 break; 1369 break;
1234 } 1370 }
1235 1371
… …
1241} 1377}
1242 1378
1243bool 1379bool
1244_destroy (SV *coro_sv) 1380_destroy (SV *coro_sv)
1245 CODE: 1381 CODE:
1246 RETVAL = coro_state_destroy (SvSTATE (coro_sv)); 1382 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1247 OUTPUT: 1383 OUTPUT:
1248 RETVAL 1384 RETVAL
1249 1385
1250void 1386void
1251_exit (code) 1387_exit (code)
… …
1275 CODE: 1411 CODE:
1276 RETVAL = cctx_idle; 1412 RETVAL = cctx_idle;
1277 OUTPUT: 1413 OUTPUT:
1278 RETVAL 1414 RETVAL
1279 1415
1416void
1417list ()
1418 PPCODE:
1419{
1420 struct coro *coro;
1421 for (coro = coro_first; coro; coro = coro->next)
1422 if (coro->hv)
1423 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1424}
1425
1426void
1427call (Coro::State coro, SV *coderef)
1428 ALIAS:
1429 eval = 1
1430 CODE:
1431{
1432 if (coro->mainstack)
1433 {
1434 struct coro temp;
1435 Zero (&temp, 1, struct coro);
1436 temp.save = CORO_SAVE_ALL;
1437
1438 if (!(coro->flags & CF_RUNNING))
1439 {
1440 save_perl (aTHX_ &temp);
1441 load_perl (aTHX_ coro);
1442 }
1443
1444 {
1445 dSP;
1446 ENTER;
1447 SAVETMPS;
1448 PUSHMARK (SP);
1449 PUTBACK;
1450 if (ix)
1451 eval_sv (coderef, 0);
1452 else
1453 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1454 SPAGAIN;
1455 FREETMPS;
1456 LEAVE;
1457 PUTBACK;
1458 }
1459
1460 if (!(coro->flags & CF_RUNNING))
1461 {
1462 save_perl (aTHX_ coro);
1463 load_perl (aTHX_ &temp);
1464 }
1465 }
1466}
1467
1468SV *
1469is_ready (Coro::State coro)
1470 PROTOTYPE: $
1471 ALIAS:
1472 is_ready = CF_READY
1473 is_running = CF_RUNNING
1474 is_new = CF_NEW
1475 is_destroyed = CF_DESTROYED
1476 CODE:
1477 RETVAL = boolSV (coro->flags & ix);
1478 OUTPUT:
1479 RETVAL
1480
1481void
1482trace (Coro::State coro, int enable = 0)
1483 CODE:
1484 if (enable)
1485 {
1486 if (coro->flags & CF_RUNNING)
1487 croak ("cannot enable tracing on running coroutine");
1488
1489 if (coro->cctx)
1490 croak ("cannot enable tracing on coroutine with custom stack");
1491
1492 coro->cctx = cctx_new ();
1493 coro->cctx->flags |= CC_TRACE;
1494 }
1495 else
1496 if (coro->cctx && coro->cctx->flags & CC_TRACE)
1497 {
1498 coro->cctx->flags &= ~CC_TRACE;
1499 coro->cctx->flags |= CC_NOREUSE;
1500 }
1501
1502SV *
1503has_stack (Coro::State coro)
1504 PROTOTYPE: $
1505 CODE:
1506 RETVAL = boolSV (!!coro->cctx);
1507 OUTPUT:
1508 RETVAL
1509
1510IV
1511rss (Coro::State coro)
1512 PROTOTYPE: $
1513 CODE:
1514 RETVAL = coro_rss (coro);
1515 OUTPUT:
1516 RETVAL
1517
1518
1280MODULE = Coro::State PACKAGE = Coro 1519MODULE = Coro::State PACKAGE = Coro
1281 1520
1282BOOT: 1521BOOT:
1283{ 1522{
1284 int i; 1523 int i;
1524
1525 sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
1526 sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
1527 av_async_pool = get_av ("Coro::async_pool", TRUE);
1528
1529 coro_current = get_sv ("Coro::current", FALSE);
1530 SvREADONLY_on (coro_current);
1285 1531
1286 coro_stash = gv_stashpv ("Coro", TRUE); 1532 coro_stash = gv_stashpv ("Coro", TRUE);
1287 1533
1288 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 1534 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1289 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 1535 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1290 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); 1536 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1291 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); 1537 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1292 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); 1538 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1293 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); 1539 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1294
1295 coro_current = get_sv ("Coro::current", FALSE);
1296 SvREADONLY_on (coro_current);
1297 1540
1298 for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) 1541 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1299 coro_ready[i] = newAV (); 1542 coro_ready[i] = newAV ();
1300 1543
1301 { 1544 {
… …
1351 CODE: 1594 CODE:
1352 RETVAL = boolSV (api_ready (self)); 1595 RETVAL = boolSV (api_ready (self));
1353 OUTPUT: 1596 OUTPUT:
1354 RETVAL 1597 RETVAL
1355 1598
1356SV *
1357is_ready (SV *self)
1358 PROTOTYPE: $
1359 CODE:
1360 RETVAL = boolSV (api_is_ready (self));
1361 OUTPUT:
1362 RETVAL
1363
1364int 1599int
1365nready (...) 1600nready (...)
1366 PROTOTYPE: 1601 PROTOTYPE:
1367 CODE: 1602 CODE:
1368 RETVAL = coro_nready; 1603 RETVAL = coro_nready;
1369 OUTPUT: 1604 OUTPUT:
1370 RETVAL 1605 RETVAL
1371 1606
1607# for async_pool speedup
1608void
1609_pool_1 (SV *cb)
1610 CODE:
1611{
1612 int i, len;
1613 HV *hv = (HV *)SvRV (coro_current);
1614 AV *defav = GvAV (PL_defgv);
1615 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1616 AV *invoke_av;
1617
1618 if (!invoke)
1619 croak ("\3terminate\2\n");
1620
1621 hv_store (hv, "desc", sizeof ("desc") - 1,
1622 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1623
1624 invoke_av = (AV *)SvRV (invoke);
1625 len = av_len (invoke_av);
1626
1627 sv_setsv (cb, AvARRAY (invoke_av)[0]);
1628
1629 if (len > 0)
1630 {
1631 av_fill (defav, len - 1);
1632 for (i = 0; i < len; ++i)
1633 av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
1634 }
1635
1636 SvREFCNT_dec (invoke);
1637}
1638
1639void
1640_pool_2 (SV *cb)
1641 CODE:
1642{
1643 struct coro *coro = SvSTATE (coro_current);
1644
1645 sv_setsv (cb, &PL_sv_undef);
1646
1647 if (coro_rss (coro) > SvIV (sv_pool_rss)
1648 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1649 croak ("\3terminate\2\n");
1650
1651 av_clear (GvAV (PL_defgv));
1652 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1653 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1654 coro->save = CORO_SAVE_DEF;
1655 coro->prio = 0;
1656 av_push (av_async_pool, newSVsv (coro_current));
1657}
1658
1659
1372MODULE = Coro::State PACKAGE = Coro::AIO 1660MODULE = Coro::State PACKAGE = Coro::AIO
1373 1661
1374SV * 1662SV *
1375_get_state () 1663_get_state ()
1376 CODE: 1664 CODE:

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