… | |
… | |
12 | #include "perl.h" |
12 | #include "perl.h" |
13 | #include "XSUB.h" |
13 | #include "XSUB.h" |
14 | #include "perliol.h" |
14 | #include "perliol.h" |
15 | |
15 | |
16 | #include "schmorp.h" |
16 | #include "schmorp.h" |
|
|
17 | #include "ecb.h" |
17 | |
18 | |
|
|
19 | #include <stddef.h> |
18 | #include <stdio.h> |
20 | #include <stdio.h> |
19 | #include <errno.h> |
21 | #include <errno.h> |
20 | #include <assert.h> |
22 | #include <assert.h> |
21 | |
23 | |
22 | #ifndef SVs_PADSTALE |
24 | #ifndef SVs_PADSTALE |
… | |
… | |
31 | # define setjmp _setjmp /* deep magic */ |
33 | # define setjmp _setjmp /* deep magic */ |
32 | #else |
34 | #else |
33 | # include <inttypes.h> /* most portable stdint.h */ |
35 | # include <inttypes.h> /* most portable stdint.h */ |
34 | #endif |
36 | #endif |
35 | |
37 | |
36 | #ifdef HAVE_MMAP |
38 | #if HAVE_MMAP |
37 | # include <unistd.h> |
39 | # include <unistd.h> |
38 | # include <sys/mman.h> |
40 | # include <sys/mman.h> |
39 | # ifndef MAP_ANONYMOUS |
41 | # ifndef MAP_ANONYMOUS |
40 | # ifdef MAP_ANON |
42 | # ifdef MAP_ANON |
41 | # define MAP_ANONYMOUS MAP_ANON |
43 | # define MAP_ANONYMOUS MAP_ANON |
… | |
… | |
61 | #endif |
63 | #endif |
62 | |
64 | |
63 | /* the maximum number of idle cctx that will be pooled */ |
65 | /* the maximum number of idle cctx that will be pooled */ |
64 | static int cctx_max_idle = 4; |
66 | static int cctx_max_idle = 4; |
65 | |
67 | |
|
|
68 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
|
|
69 | # define HAS_SCOPESTACK_NAME 1 |
|
|
70 | #endif |
|
|
71 | |
66 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
72 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
67 | # undef CORO_STACKGUARD |
73 | # undef CORO_STACKGUARD |
68 | #endif |
74 | #endif |
69 | |
75 | |
70 | #ifndef CORO_STACKGUARD |
76 | #ifndef CORO_STACKGUARD |
… | |
… | |
86 | # define STACKLEVEL ((void *)&stacklevel) |
92 | # define STACKLEVEL ((void *)&stacklevel) |
87 | #endif |
93 | #endif |
88 | |
94 | |
89 | #define IN_DESTRUCT PL_dirty |
95 | #define IN_DESTRUCT PL_dirty |
90 | |
96 | |
91 | #if __GNUC__ >= 3 |
|
|
92 | # define attribute(x) __attribute__(x) |
|
|
93 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
|
|
94 | # define INLINE static inline |
|
|
95 | #else |
|
|
96 | # define attribute(x) |
|
|
97 | # define expect(expr,value) (expr) |
|
|
98 | # define INLINE static |
|
|
99 | #endif |
|
|
100 | |
|
|
101 | #define expect_false(expr) expect ((expr) != 0, 0) |
|
|
102 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
103 | |
|
|
104 | #define NOINLINE attribute ((noinline)) |
|
|
105 | |
|
|
106 | #include "CoroAPI.h" |
97 | #include "CoroAPI.h" |
107 | #define GCoroAPI (&coroapi) /* very sneaky */ |
98 | #define GCoroAPI (&coroapi) /* very sneaky */ |
108 | |
99 | |
109 | #ifdef USE_ITHREADS |
100 | #ifdef USE_ITHREADS |
110 | # if CORO_PTHREAD |
101 | # if CORO_PTHREAD |
111 | static void *coro_thx; |
102 | static void *coro_thx; |
112 | # endif |
103 | # endif |
113 | #endif |
104 | #endif |
|
|
105 | |
|
|
106 | /* used in state.h */ |
|
|
107 | #define VAR(name,type) VARx(name, PL_ ## name, type) |
114 | |
108 | |
115 | #ifdef __linux |
109 | #ifdef __linux |
116 | # include <time.h> /* for timespec */ |
110 | # include <time.h> /* for timespec */ |
117 | # include <syscall.h> /* for SYS_* */ |
111 | # include <syscall.h> /* for SYS_* */ |
118 | # ifdef SYS_clock_gettime |
112 | # ifdef SYS_clock_gettime |
… | |
… | |
166 | static char times_valid; |
160 | static char times_valid; |
167 | |
161 | |
168 | static struct coro_cctx *cctx_first; |
162 | static struct coro_cctx *cctx_first; |
169 | static int cctx_count, cctx_idle; |
163 | static int cctx_count, cctx_idle; |
170 | |
164 | |
171 | enum { |
165 | enum |
|
|
166 | { |
172 | CC_MAPPED = 0x01, |
167 | CC_MAPPED = 0x01, |
173 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
168 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
174 | CC_TRACE = 0x04, |
169 | CC_TRACE = 0x04, |
175 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
170 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
176 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
171 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
… | |
… | |
201 | |
196 | |
202 | static coro_cctx *cctx_current; /* the currently running cctx */ |
197 | static coro_cctx *cctx_current; /* the currently running cctx */ |
203 | |
198 | |
204 | /*****************************************************************************/ |
199 | /*****************************************************************************/ |
205 | |
200 | |
|
|
201 | static MGVTBL coro_state_vtbl; |
|
|
202 | |
206 | enum { |
203 | enum |
|
|
204 | { |
207 | CF_RUNNING = 0x0001, /* coroutine is running */ |
205 | CF_RUNNING = 0x0001, /* coroutine is running */ |
208 | CF_READY = 0x0002, /* coroutine is ready */ |
206 | CF_READY = 0x0002, /* coroutine is ready */ |
209 | CF_NEW = 0x0004, /* has never been switched to */ |
207 | CF_NEW = 0x0004, /* has never been switched to */ |
210 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
208 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
211 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
209 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
212 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
210 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
213 | }; |
211 | }; |
214 | |
212 | |
215 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
213 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
216 | typedef struct |
214 | typedef struct |
217 | { |
215 | { |
218 | SV *defsv; |
|
|
219 | AV *defav; |
|
|
220 | SV *errsv; |
|
|
221 | SV *irsgv; |
|
|
222 | HV *hinthv; |
|
|
223 | #define VAR(name,type) type name; |
216 | #define VARx(name,expr,type) type name; |
224 | # include "state.h" |
217 | # include "state.h" |
225 | #undef VAR |
218 | #undef VARx |
226 | } perl_slots; |
219 | } perl_slots; |
227 | |
220 | |
|
|
221 | /* how many context stack entries do we need for perl_slots */ |
228 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
222 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
229 | |
223 | |
230 | /* this is a structure representing a perl-level coroutine */ |
224 | /* this is a structure representing a perl-level coroutine */ |
231 | struct coro { |
225 | struct coro |
|
|
226 | { |
232 | /* the C coroutine allocated to this perl coroutine, if any */ |
227 | /* the C coroutine allocated to this perl coroutine, if any */ |
233 | coro_cctx *cctx; |
228 | coro_cctx *cctx; |
234 | |
229 | |
235 | /* ready queue */ |
230 | /* ready queue */ |
236 | struct coro *next_ready; |
231 | struct coro *next_ready; |
… | |
… | |
238 | /* state data */ |
233 | /* state data */ |
239 | struct CoroSLF slf_frame; /* saved slf frame */ |
234 | struct CoroSLF slf_frame; /* saved slf frame */ |
240 | AV *mainstack; |
235 | AV *mainstack; |
241 | perl_slots *slot; /* basically the saved sp */ |
236 | perl_slots *slot; /* basically the saved sp */ |
242 | |
237 | |
243 | CV *startcv; /* the CV to execute */ |
238 | CV *startcv; /* the CV to execute */ |
244 | AV *args; /* data associated with this coroutine (initial args) */ |
239 | AV *args; /* data associated with this coroutine (initial args) */ |
245 | int refcnt; /* coroutines are refcounted, yes */ |
|
|
246 | int flags; /* CF_ flags */ |
240 | int flags; /* CF_ flags */ |
247 | HV *hv; /* the perl hash associated with this coro, if any */ |
241 | HV *hv; /* the perl hash associated with this coro, if any */ |
248 | |
242 | |
249 | /* statistics */ |
243 | /* statistics */ |
250 | int usecount; /* number of transfers to this coro */ |
244 | int usecount; /* number of transfers to this coro */ |
251 | |
245 | |
252 | /* coro process data */ |
246 | /* coro process data */ |
253 | int prio; |
247 | int prio; |
254 | SV *except; /* exception to be thrown */ |
248 | SV *except; /* exception to be thrown */ |
255 | SV *rouse_cb; |
249 | SV *rouse_cb; /* last rouse callback */ |
|
|
250 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
|
|
251 | AV *status; /* the exit status list */ |
256 | |
252 | |
257 | /* async_pool */ |
253 | /* async_pool */ |
258 | SV *saved_deffh; |
254 | SV *saved_deffh; |
259 | SV *invoke_cb; |
255 | SV *invoke_cb; |
260 | AV *invoke_av; |
256 | AV *invoke_av; |
… | |
… | |
296 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
292 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
297 | static CV *cv_coro_run; |
293 | static CV *cv_coro_run; |
298 | static struct coro *coro_first; |
294 | static struct coro *coro_first; |
299 | #define coro_nready coroapi.nready |
295 | #define coro_nready coroapi.nready |
300 | |
296 | |
|
|
297 | /** JIT *********************************************************************/ |
|
|
298 | |
|
|
299 | #if CORO_JIT |
|
|
300 | /* APPLE doesn't have HAVE_MMAP though */ |
|
|
301 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
|
|
302 | #ifndef CORO_JIT_TYPE |
|
|
303 | #if __x86_64 && CORO_JIT_UNIXY |
|
|
304 | #define CORO_JIT_TYPE "amd64-unix" |
|
|
305 | #elif __i386 && CORO_JIT_UNIXY |
|
|
306 | #define CORO_JIT_TYPE "x86-unix" |
|
|
307 | #endif |
|
|
308 | #endif |
|
|
309 | #endif |
|
|
310 | |
|
|
311 | #if !defined(CORO_JIT_TYPE) || !HAVE_MMAP |
|
|
312 | #undef CORO_JIT |
|
|
313 | #endif |
|
|
314 | |
|
|
315 | #if CORO_JIT |
|
|
316 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
|
|
317 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
|
|
318 | #endif |
|
|
319 | |
301 | /** Coro::Select ************************************************************/ |
320 | /** Coro::Select ************************************************************/ |
302 | |
321 | |
303 | static OP *(*coro_old_pp_sselect) (pTHX); |
322 | static OP *(*coro_old_pp_sselect) (pTHX); |
304 | static SV *coro_select_select; |
323 | static SV *coro_select_select; |
305 | |
324 | |
… | |
… | |
320 | |
339 | |
321 | /** time stuff **************************************************************/ |
340 | /** time stuff **************************************************************/ |
322 | |
341 | |
323 | #ifdef HAS_GETTIMEOFDAY |
342 | #ifdef HAS_GETTIMEOFDAY |
324 | |
343 | |
325 | static void |
344 | ecb_inline void |
326 | coro_u2time (pTHX_ UV ret[2]) |
345 | coro_u2time (pTHX_ UV ret[2]) |
327 | { |
346 | { |
328 | struct timeval tv; |
347 | struct timeval tv; |
329 | gettimeofday (&tv, 0); |
348 | gettimeofday (&tv, 0); |
330 | |
349 | |
331 | ret [0] = tv.tv_sec; |
350 | ret [0] = tv.tv_sec; |
332 | ret [1] = tv.tv_usec; |
351 | ret [1] = tv.tv_usec; |
333 | } |
352 | } |
334 | |
353 | |
335 | static double |
354 | ecb_inline double |
336 | coro_nvtime () |
355 | coro_nvtime (void) |
337 | { |
356 | { |
338 | struct timeval tv; |
357 | struct timeval tv; |
339 | gettimeofday (&tv, 0); |
358 | gettimeofday (&tv, 0); |
340 | |
359 | |
341 | return tv.tv_sec + tv.tv_usec * 1e-6; |
360 | return tv.tv_sec + tv.tv_usec * 1e-6; |
342 | } |
361 | } |
343 | |
362 | |
344 | static void |
363 | ecb_inline void |
345 | time_init (pTHX) |
364 | time_init (pTHX) |
346 | { |
365 | { |
347 | nvtime = coro_nvtime; |
366 | nvtime = coro_nvtime; |
348 | u2time = coro_u2time; |
367 | u2time = coro_u2time; |
349 | } |
368 | } |
350 | |
369 | |
351 | #else |
370 | #else |
352 | |
371 | |
353 | static void |
372 | ecb_inline void |
354 | time_init (pTHX) |
373 | time_init (pTHX) |
355 | { |
374 | { |
356 | SV **svp; |
375 | SV **svp; |
357 | |
376 | |
358 | require_pv ("Time/HiRes.pm"); |
377 | require_pv ("Time/HiRes.pm"); |
… | |
… | |
370 | |
389 | |
371 | #endif |
390 | #endif |
372 | |
391 | |
373 | /** lowlevel stuff **********************************************************/ |
392 | /** lowlevel stuff **********************************************************/ |
374 | |
393 | |
375 | static SV * |
394 | static SV * ecb_noinline |
376 | coro_get_sv (pTHX_ const char *name, int create) |
395 | coro_get_sv (pTHX_ const char *name, int create) |
377 | { |
396 | { |
378 | #if PERL_VERSION_ATLEAST (5,10,0) |
397 | #if PERL_VERSION_ATLEAST (5,10,0) |
379 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
398 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
380 | get_sv (name, create); |
399 | get_sv (name, create); |
381 | #endif |
400 | #endif |
382 | return get_sv (name, create); |
401 | return get_sv (name, create); |
383 | } |
402 | } |
384 | |
403 | |
385 | static AV * |
404 | static AV * ecb_noinline |
386 | coro_get_av (pTHX_ const char *name, int create) |
405 | coro_get_av (pTHX_ const char *name, int create) |
387 | { |
406 | { |
388 | #if PERL_VERSION_ATLEAST (5,10,0) |
407 | #if PERL_VERSION_ATLEAST (5,10,0) |
389 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
408 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
390 | get_av (name, create); |
409 | get_av (name, create); |
391 | #endif |
410 | #endif |
392 | return get_av (name, create); |
411 | return get_av (name, create); |
393 | } |
412 | } |
394 | |
413 | |
395 | static HV * |
414 | static HV * ecb_noinline |
396 | coro_get_hv (pTHX_ const char *name, int create) |
415 | coro_get_hv (pTHX_ const char *name, int create) |
397 | { |
416 | { |
398 | #if PERL_VERSION_ATLEAST (5,10,0) |
417 | #if PERL_VERSION_ATLEAST (5,10,0) |
399 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
418 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
400 | get_hv (name, create); |
419 | get_hv (name, create); |
401 | #endif |
420 | #endif |
402 | return get_hv (name, create); |
421 | return get_hv (name, create); |
403 | } |
422 | } |
404 | |
423 | |
405 | INLINE void |
424 | ecb_inline void |
406 | coro_times_update () |
425 | coro_times_update (void) |
407 | { |
426 | { |
408 | #ifdef coro_clock_gettime |
427 | #ifdef coro_clock_gettime |
409 | struct timespec ts; |
428 | struct timespec ts; |
410 | |
429 | |
411 | ts.tv_sec = ts.tv_nsec = 0; |
430 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
423 | time_real [0] = tv [0]; |
442 | time_real [0] = tv [0]; |
424 | time_real [1] = tv [1] * 1000; |
443 | time_real [1] = tv [1] * 1000; |
425 | #endif |
444 | #endif |
426 | } |
445 | } |
427 | |
446 | |
428 | INLINE void |
447 | ecb_inline void |
429 | coro_times_add (struct coro *c) |
448 | coro_times_add (struct coro *c) |
430 | { |
449 | { |
431 | c->t_real [1] += time_real [1]; |
450 | c->t_real [1] += time_real [1]; |
432 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
451 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
433 | c->t_real [0] += time_real [0]; |
452 | c->t_real [0] += time_real [0]; |
… | |
… | |
435 | c->t_cpu [1] += time_cpu [1]; |
454 | c->t_cpu [1] += time_cpu [1]; |
436 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
455 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
437 | c->t_cpu [0] += time_cpu [0]; |
456 | c->t_cpu [0] += time_cpu [0]; |
438 | } |
457 | } |
439 | |
458 | |
440 | INLINE void |
459 | ecb_inline void |
441 | coro_times_sub (struct coro *c) |
460 | coro_times_sub (struct coro *c) |
442 | { |
461 | { |
443 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
462 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
444 | c->t_real [1] -= time_real [1]; |
463 | c->t_real [1] -= time_real [1]; |
445 | c->t_real [0] -= time_real [0]; |
464 | c->t_real [0] -= time_real [0]; |
… | |
… | |
453 | /* magic glue */ |
472 | /* magic glue */ |
454 | |
473 | |
455 | #define CORO_MAGIC_type_cv 26 |
474 | #define CORO_MAGIC_type_cv 26 |
456 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
475 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
457 | |
476 | |
458 | #define CORO_MAGIC_NN(sv, type) \ |
477 | #define CORO_MAGIC_NN(sv, type) \ |
459 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
478 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
460 | ? SvMAGIC (sv) \ |
479 | ? SvMAGIC (sv) \ |
461 | : mg_find (sv, type)) |
480 | : mg_find (sv, type)) |
462 | |
481 | |
463 | #define CORO_MAGIC(sv, type) \ |
482 | #define CORO_MAGIC(sv, type) \ |
464 | (expect_true (SvMAGIC (sv)) \ |
483 | (ecb_expect_true (SvMAGIC (sv)) \ |
465 | ? CORO_MAGIC_NN (sv, type) \ |
484 | ? CORO_MAGIC_NN (sv, type) \ |
466 | : 0) |
485 | : 0) |
467 | |
486 | |
468 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
487 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
469 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
488 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
470 | |
489 | |
471 | INLINE struct coro * |
490 | ecb_inline MAGIC * |
|
|
491 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
492 | { |
|
|
493 | MAGIC *mg; |
|
|
494 | |
|
|
495 | if (ecb_expect_true ( |
|
|
496 | SvTYPE (coro) == SVt_PVHV |
|
|
497 | && (mg = CORO_MAGIC_state (coro)) |
|
|
498 | && mg->mg_virtual == &coro_state_vtbl |
|
|
499 | )) |
|
|
500 | return mg; |
|
|
501 | |
|
|
502 | return 0; |
|
|
503 | } |
|
|
504 | |
|
|
505 | ecb_inline struct coro * |
472 | SvSTATE_ (pTHX_ SV *coro) |
506 | SvSTATE_ (pTHX_ SV *coro) |
473 | { |
507 | { |
474 | HV *stash; |
|
|
475 | MAGIC *mg; |
508 | MAGIC *mg; |
476 | |
509 | |
477 | if (SvROK (coro)) |
510 | if (SvROK (coro)) |
478 | coro = SvRV (coro); |
511 | coro = SvRV (coro); |
479 | |
512 | |
480 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
513 | mg = SvSTATEhv_p (aTHX_ coro); |
|
|
514 | if (!mg) |
481 | croak ("Coro::State object required"); |
515 | croak ("Coro::State object required"); |
482 | |
516 | |
483 | stash = SvSTASH (coro); |
|
|
484 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
485 | { |
|
|
486 | /* very slow, but rare, check */ |
|
|
487 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
488 | croak ("Coro::State object required"); |
|
|
489 | } |
|
|
490 | |
|
|
491 | mg = CORO_MAGIC_state (coro); |
|
|
492 | return (struct coro *)mg->mg_ptr; |
517 | return (struct coro *)mg->mg_ptr; |
493 | } |
518 | } |
494 | |
519 | |
495 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
520 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
496 | |
521 | |
… | |
… | |
499 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
524 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
500 | |
525 | |
501 | /*****************************************************************************/ |
526 | /*****************************************************************************/ |
502 | /* padlist management and caching */ |
527 | /* padlist management and caching */ |
503 | |
528 | |
504 | static AV * |
529 | ecb_inline AV * |
505 | coro_derive_padlist (pTHX_ CV *cv) |
530 | coro_derive_padlist (pTHX_ CV *cv) |
506 | { |
531 | { |
507 | AV *padlist = CvPADLIST (cv); |
532 | AV *padlist = CvPADLIST (cv); |
508 | AV *newpadlist, *newpad; |
533 | AV *newpadlist, *newpad; |
509 | |
534 | |
… | |
… | |
521 | av_store (newpadlist, 1, (SV *)newpad); |
546 | av_store (newpadlist, 1, (SV *)newpad); |
522 | |
547 | |
523 | return newpadlist; |
548 | return newpadlist; |
524 | } |
549 | } |
525 | |
550 | |
526 | static void |
551 | ecb_inline void |
527 | free_padlist (pTHX_ AV *padlist) |
552 | free_padlist (pTHX_ AV *padlist) |
528 | { |
553 | { |
529 | /* may be during global destruction */ |
554 | /* may be during global destruction */ |
530 | if (!IN_DESTRUCT) |
555 | if (!IN_DESTRUCT) |
531 | { |
556 | { |
… | |
… | |
574 | 0, 0, 0, 0, |
599 | 0, 0, 0, 0, |
575 | coro_cv_free |
600 | coro_cv_free |
576 | }; |
601 | }; |
577 | |
602 | |
578 | /* the next two functions merely cache the padlists */ |
603 | /* the next two functions merely cache the padlists */ |
579 | static void |
604 | ecb_inline void |
580 | get_padlist (pTHX_ CV *cv) |
605 | get_padlist (pTHX_ CV *cv) |
581 | { |
606 | { |
582 | MAGIC *mg = CORO_MAGIC_cv (cv); |
607 | MAGIC *mg = CORO_MAGIC_cv (cv); |
583 | AV *av; |
608 | AV *av; |
584 | |
609 | |
585 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
610 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
586 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
611 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
587 | else |
612 | else |
588 | { |
613 | { |
589 | #if CORO_PREFER_PERL_FUNCTIONS |
614 | #if CORO_PREFER_PERL_FUNCTIONS |
590 | /* this is probably cleaner? but also slower! */ |
615 | /* this is probably cleaner? but also slower! */ |
… | |
… | |
597 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
622 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
598 | #endif |
623 | #endif |
599 | } |
624 | } |
600 | } |
625 | } |
601 | |
626 | |
602 | static void |
627 | ecb_inline void |
603 | put_padlist (pTHX_ CV *cv) |
628 | put_padlist (pTHX_ CV *cv) |
604 | { |
629 | { |
605 | MAGIC *mg = CORO_MAGIC_cv (cv); |
630 | MAGIC *mg = CORO_MAGIC_cv (cv); |
606 | AV *av; |
631 | AV *av; |
607 | |
632 | |
608 | if (expect_false (!mg)) |
633 | if (ecb_expect_false (!mg)) |
609 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
634 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
610 | |
635 | |
611 | av = (AV *)mg->mg_obj; |
636 | av = (AV *)mg->mg_obj; |
612 | |
637 | |
613 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
638 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
614 | av_extend (av, AvFILLp (av) + 1); |
639 | av_extend (av, AvFILLp (av) + 1); |
615 | |
640 | |
616 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
641 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
617 | } |
642 | } |
618 | |
643 | |
… | |
… | |
663 | } |
688 | } |
664 | #endif |
689 | #endif |
665 | } |
690 | } |
666 | } |
691 | } |
667 | |
692 | |
668 | #define SWAP_SVS(coro) \ |
693 | #define SWAP_SVS(coro) \ |
669 | if (expect_false ((coro)->swap_sv)) \ |
694 | if (ecb_expect_false ((coro)->swap_sv)) \ |
670 | swap_svs (aTHX_ (coro)) |
695 | swap_svs (aTHX_ (coro)) |
671 | |
696 | |
672 | static void |
697 | static void |
673 | on_enterleave_call (pTHX_ SV *cb); |
698 | on_enterleave_call (pTHX_ SV *cb); |
674 | |
699 | |
… | |
… | |
678 | perl_slots *slot = c->slot; |
703 | perl_slots *slot = c->slot; |
679 | c->slot = 0; |
704 | c->slot = 0; |
680 | |
705 | |
681 | PL_mainstack = c->mainstack; |
706 | PL_mainstack = c->mainstack; |
682 | |
707 | |
683 | GvSV (PL_defgv) = slot->defsv; |
708 | #if CORO_JIT |
684 | GvAV (PL_defgv) = slot->defav; |
709 | load_perl_slots (slot); |
685 | GvSV (PL_errgv) = slot->errsv; |
710 | #else |
686 | GvSV (irsgv) = slot->irsgv; |
|
|
687 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
688 | |
|
|
689 | #define VAR(name,type) PL_ ## name = slot->name; |
711 | #define VARx(name,expr,type) expr = slot->name; |
690 | # include "state.h" |
712 | # include "state.h" |
691 | #undef VAR |
713 | #undef VARx |
|
|
714 | #endif |
692 | |
715 | |
693 | { |
716 | { |
694 | dSP; |
717 | dSP; |
695 | |
718 | |
696 | CV *cv; |
719 | CV *cv; |
697 | |
720 | |
698 | /* now do the ugly restore mess */ |
721 | /* now do the ugly restore mess */ |
699 | while (expect_true (cv = (CV *)POPs)) |
722 | while (ecb_expect_true (cv = (CV *)POPs)) |
700 | { |
723 | { |
701 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
724 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
702 | CvDEPTH (cv) = PTR2IV (POPs); |
725 | CvDEPTH (cv) = PTR2IV (POPs); |
703 | CvPADLIST (cv) = (AV *)POPs; |
726 | CvPADLIST (cv) = (AV *)POPs; |
704 | } |
727 | } |
… | |
… | |
707 | } |
730 | } |
708 | |
731 | |
709 | slf_frame = c->slf_frame; |
732 | slf_frame = c->slf_frame; |
710 | CORO_THROW = c->except; |
733 | CORO_THROW = c->except; |
711 | |
734 | |
712 | if (expect_false (enable_times)) |
735 | if (ecb_expect_false (enable_times)) |
713 | { |
736 | { |
714 | if (expect_false (!times_valid)) |
737 | if (ecb_expect_false (!times_valid)) |
715 | coro_times_update (); |
738 | coro_times_update (); |
716 | |
739 | |
717 | coro_times_sub (c); |
740 | coro_times_sub (c); |
718 | } |
741 | } |
719 | |
742 | |
720 | if (expect_false (c->on_enter)) |
743 | if (ecb_expect_false (c->on_enter)) |
721 | { |
744 | { |
722 | int i; |
745 | int i; |
723 | |
746 | |
724 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
747 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
725 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
748 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
… | |
… | |
731 | static void |
754 | static void |
732 | save_perl (pTHX_ Coro__State c) |
755 | save_perl (pTHX_ Coro__State c) |
733 | { |
756 | { |
734 | SWAP_SVS (c); |
757 | SWAP_SVS (c); |
735 | |
758 | |
736 | if (expect_false (c->on_leave)) |
759 | if (ecb_expect_false (c->on_leave)) |
737 | { |
760 | { |
738 | int i; |
761 | int i; |
739 | |
762 | |
740 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
763 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
741 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
764 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
742 | } |
765 | } |
743 | |
766 | |
744 | times_valid = 0; |
767 | times_valid = 0; |
745 | |
768 | |
746 | if (expect_false (enable_times)) |
769 | if (ecb_expect_false (enable_times)) |
747 | { |
770 | { |
748 | coro_times_update (); times_valid = 1; |
771 | coro_times_update (); times_valid = 1; |
749 | coro_times_add (c); |
772 | coro_times_add (c); |
750 | } |
773 | } |
751 | |
774 | |
… | |
… | |
765 | |
788 | |
766 | XPUSHs (Nullsv); |
789 | XPUSHs (Nullsv); |
767 | /* this loop was inspired by pp_caller */ |
790 | /* this loop was inspired by pp_caller */ |
768 | for (;;) |
791 | for (;;) |
769 | { |
792 | { |
770 | while (expect_true (cxix >= 0)) |
793 | while (ecb_expect_true (cxix >= 0)) |
771 | { |
794 | { |
772 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
795 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
773 | |
796 | |
774 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
797 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
775 | { |
798 | { |
776 | CV *cv = cx->blk_sub.cv; |
799 | CV *cv = cx->blk_sub.cv; |
777 | |
800 | |
778 | if (expect_true (CvDEPTH (cv))) |
801 | if (ecb_expect_true (CvDEPTH (cv))) |
779 | { |
802 | { |
780 | EXTEND (SP, 3); |
803 | EXTEND (SP, 3); |
781 | PUSHs ((SV *)CvPADLIST (cv)); |
804 | PUSHs ((SV *)CvPADLIST (cv)); |
782 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
805 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
783 | PUSHs ((SV *)cv); |
806 | PUSHs ((SV *)cv); |
… | |
… | |
786 | get_padlist (aTHX_ cv); |
809 | get_padlist (aTHX_ cv); |
787 | } |
810 | } |
788 | } |
811 | } |
789 | } |
812 | } |
790 | |
813 | |
791 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
814 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
792 | break; |
815 | break; |
793 | |
816 | |
794 | top_si = top_si->si_prev; |
817 | top_si = top_si->si_prev; |
795 | ccstk = top_si->si_cxstack; |
818 | ccstk = top_si->si_cxstack; |
796 | cxix = top_si->si_cxix; |
819 | cxix = top_si->si_cxix; |
… | |
… | |
798 | |
821 | |
799 | PUTBACK; |
822 | PUTBACK; |
800 | } |
823 | } |
801 | |
824 | |
802 | /* allocate some space on the context stack for our purposes */ |
825 | /* allocate some space on the context stack for our purposes */ |
803 | /* we manually unroll here, as usually 2 slots is enough */ |
826 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
804 | if (SLOT_COUNT >= 1) CXINC; |
|
|
805 | if (SLOT_COUNT >= 2) CXINC; |
|
|
806 | if (SLOT_COUNT >= 3) CXINC; |
|
|
807 | { |
827 | { |
808 | unsigned int i; |
828 | unsigned int i; |
|
|
829 | |
809 | for (i = 3; i < SLOT_COUNT; ++i) |
830 | for (i = 0; i < SLOT_COUNT; ++i) |
810 | CXINC; |
831 | CXINC; |
811 | } |
832 | |
812 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
833 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
834 | } |
813 | |
835 | |
814 | c->mainstack = PL_mainstack; |
836 | c->mainstack = PL_mainstack; |
815 | |
837 | |
816 | { |
838 | { |
817 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
839 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
818 | |
840 | |
819 | slot->defav = GvAV (PL_defgv); |
841 | #if CORO_JIT |
820 | slot->defsv = DEFSV; |
842 | save_perl_slots (slot); |
821 | slot->errsv = ERRSV; |
843 | #else |
822 | slot->irsgv = GvSV (irsgv); |
|
|
823 | slot->hinthv = GvHV (PL_hintgv); |
|
|
824 | |
|
|
825 | #define VAR(name,type) slot->name = PL_ ## name; |
844 | #define VARx(name,expr,type) slot->name = expr; |
826 | # include "state.h" |
845 | # include "state.h" |
827 | #undef VAR |
846 | #undef VARx |
|
|
847 | #endif |
828 | } |
848 | } |
829 | } |
849 | } |
830 | |
850 | |
831 | /* |
851 | /* |
832 | * allocate various perl stacks. This is almost an exact copy |
852 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
838 | # define coro_init_stacks(thx) init_stacks () |
858 | # define coro_init_stacks(thx) init_stacks () |
839 | #else |
859 | #else |
840 | static void |
860 | static void |
841 | coro_init_stacks (pTHX) |
861 | coro_init_stacks (pTHX) |
842 | { |
862 | { |
843 | PL_curstackinfo = new_stackinfo(32, 8); |
863 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
844 | PL_curstackinfo->si_type = PERLSI_MAIN; |
864 | PL_curstackinfo->si_type = PERLSI_MAIN; |
845 | PL_curstack = PL_curstackinfo->si_stack; |
865 | PL_curstack = PL_curstackinfo->si_stack; |
846 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
866 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
847 | |
867 | |
848 | PL_stack_base = AvARRAY(PL_curstack); |
868 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
863 | #endif |
883 | #endif |
864 | |
884 | |
865 | New(54,PL_scopestack,8,I32); |
885 | New(54,PL_scopestack,8,I32); |
866 | PL_scopestack_ix = 0; |
886 | PL_scopestack_ix = 0; |
867 | PL_scopestack_max = 8; |
887 | PL_scopestack_max = 8; |
|
|
888 | #if HAS_SCOPESTACK_NAME |
|
|
889 | New(54,PL_scopestack_name,8,const char*); |
|
|
890 | #endif |
868 | |
891 | |
869 | New(54,PL_savestack,24,ANY); |
892 | New(54,PL_savestack,24,ANY); |
870 | PL_savestack_ix = 0; |
893 | PL_savestack_ix = 0; |
871 | PL_savestack_max = 24; |
894 | PL_savestack_max = 24; |
872 | |
895 | |
… | |
… | |
900 | } |
923 | } |
901 | |
924 | |
902 | Safefree (PL_tmps_stack); |
925 | Safefree (PL_tmps_stack); |
903 | Safefree (PL_markstack); |
926 | Safefree (PL_markstack); |
904 | Safefree (PL_scopestack); |
927 | Safefree (PL_scopestack); |
|
|
928 | #if HAS_SCOPESTACK_NAME |
|
|
929 | Safefree (PL_scopestack_name); |
|
|
930 | #endif |
905 | Safefree (PL_savestack); |
931 | Safefree (PL_savestack); |
906 | #if !PERL_VERSION_ATLEAST (5,10,0) |
932 | #if !PERL_VERSION_ATLEAST (5,10,0) |
907 | Safefree (PL_retstack); |
933 | Safefree (PL_retstack); |
908 | #endif |
934 | #endif |
909 | } |
935 | } |
… | |
… | |
955 | #endif |
981 | #endif |
956 | |
982 | |
957 | /* |
983 | /* |
958 | * This overrides the default magic get method of %SIG elements. |
984 | * This overrides the default magic get method of %SIG elements. |
959 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
985 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
960 | * and instead of trying to save and restore the hash elements, we just provide |
986 | * and instead of trying to save and restore the hash elements (extremely slow), |
961 | * readback here. |
987 | * we just provide our own readback here. |
962 | */ |
988 | */ |
963 | static int |
989 | static int ecb_cold |
964 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
990 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
965 | { |
991 | { |
966 | const char *s = MgPV_nolen_const (mg); |
992 | const char *s = MgPV_nolen_const (mg); |
967 | |
993 | |
968 | if (*s == '_') |
994 | if (*s == '_') |
… | |
… | |
972 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
998 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
973 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
999 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
974 | |
1000 | |
975 | if (svp) |
1001 | if (svp) |
976 | { |
1002 | { |
977 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1003 | SV *ssv; |
|
|
1004 | |
|
|
1005 | if (!*svp) |
|
|
1006 | ssv = &PL_sv_undef; |
|
|
1007 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1008 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1009 | else |
|
|
1010 | ssv = *svp; |
|
|
1011 | |
|
|
1012 | sv_setsv (sv, ssv); |
978 | return 0; |
1013 | return 0; |
979 | } |
1014 | } |
980 | } |
1015 | } |
981 | |
1016 | |
982 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1017 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
983 | } |
1018 | } |
984 | |
1019 | |
985 | static int |
1020 | static int ecb_cold |
986 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1021 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
987 | { |
1022 | { |
988 | const char *s = MgPV_nolen_const (mg); |
1023 | const char *s = MgPV_nolen_const (mg); |
989 | |
1024 | |
990 | if (*s == '_') |
1025 | if (*s == '_') |
… | |
… | |
1004 | } |
1039 | } |
1005 | |
1040 | |
1006 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1041 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1007 | } |
1042 | } |
1008 | |
1043 | |
1009 | static int |
1044 | static int ecb_cold |
1010 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1045 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1011 | { |
1046 | { |
1012 | const char *s = MgPV_nolen_const (mg); |
1047 | const char *s = MgPV_nolen_const (mg); |
1013 | |
1048 | |
1014 | if (*s == '_') |
1049 | if (*s == '_') |
… | |
… | |
1049 | return 1; |
1084 | return 1; |
1050 | } |
1085 | } |
1051 | |
1086 | |
1052 | static UNOP init_perl_op; |
1087 | static UNOP init_perl_op; |
1053 | |
1088 | |
1054 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1089 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1055 | init_perl (pTHX_ struct coro *coro) |
1090 | init_perl (pTHX_ struct coro *coro) |
1056 | { |
1091 | { |
1057 | /* |
1092 | /* |
1058 | * emulate part of the perl startup here. |
1093 | * emulate part of the perl startup here. |
1059 | */ |
1094 | */ |
… | |
… | |
1074 | PL_parser = 0; |
1109 | PL_parser = 0; |
1075 | #endif |
1110 | #endif |
1076 | PL_hints = 0; |
1111 | PL_hints = 0; |
1077 | |
1112 | |
1078 | /* recreate the die/warn hooks */ |
1113 | /* recreate the die/warn hooks */ |
1079 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1114 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1080 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1115 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1081 | |
1116 | |
1082 | GvSV (PL_defgv) = newSV (0); |
1117 | GvSV (PL_defgv) = newSV (0); |
1083 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1118 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1084 | GvSV (PL_errgv) = newSV (0); |
1119 | GvSV (PL_errgv) = newSV (0); |
1085 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1120 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
… | |
… | |
1106 | /* this newly created coroutine might be run on an existing cctx which most |
1141 | /* this newly created coroutine might be run on an existing cctx which most |
1107 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1142 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1108 | */ |
1143 | */ |
1109 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1144 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1110 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1145 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1146 | slf_frame.destroy = 0; |
1111 | |
1147 | |
1112 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1148 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1113 | init_perl_op.op_next = PL_op; |
1149 | init_perl_op.op_next = PL_op; |
1114 | init_perl_op.op_type = OP_ENTERSUB; |
1150 | init_perl_op.op_type = OP_ENTERSUB; |
1115 | init_perl_op.op_ppaddr = pp_slf; |
1151 | init_perl_op.op_ppaddr = pp_slf; |
… | |
… | |
1120 | /* copy throw, in case it was set before init_perl */ |
1156 | /* copy throw, in case it was set before init_perl */ |
1121 | CORO_THROW = coro->except; |
1157 | CORO_THROW = coro->except; |
1122 | |
1158 | |
1123 | SWAP_SVS (coro); |
1159 | SWAP_SVS (coro); |
1124 | |
1160 | |
1125 | if (expect_false (enable_times)) |
1161 | if (ecb_expect_false (enable_times)) |
1126 | { |
1162 | { |
1127 | coro_times_update (); |
1163 | coro_times_update (); |
1128 | coro_times_sub (coro); |
1164 | coro_times_sub (coro); |
1129 | } |
1165 | } |
1130 | } |
1166 | } |
… | |
… | |
1167 | SvRV_set (coro_current, (SV *)coro->hv); |
1203 | SvRV_set (coro_current, (SV *)coro->hv); |
1168 | |
1204 | |
1169 | load_perl (aTHX_ coro); |
1205 | load_perl (aTHX_ coro); |
1170 | |
1206 | |
1171 | coro_unwind_stacks (aTHX); |
1207 | coro_unwind_stacks (aTHX); |
1172 | coro_destruct_stacks (aTHX); |
|
|
1173 | |
1208 | |
1174 | /* restore swapped sv's */ |
1209 | /* restore swapped sv's */ |
1175 | SWAP_SVS (coro); |
1210 | SWAP_SVS (coro); |
1176 | |
1211 | |
|
|
1212 | coro_destruct_stacks (aTHX); |
|
|
1213 | |
1177 | // now save some sv's to be free'd later |
1214 | /* now save some sv's to be free'd later */ |
1178 | svf [0] = GvSV (PL_defgv); |
1215 | svf [0] = GvSV (PL_defgv); |
1179 | svf [1] = (SV *)GvAV (PL_defgv); |
1216 | svf [1] = (SV *)GvAV (PL_defgv); |
1180 | svf [2] = GvSV (PL_errgv); |
1217 | svf [2] = GvSV (PL_errgv); |
1181 | svf [3] = (SV *)PL_defoutgv; |
1218 | svf [3] = (SV *)PL_defoutgv; |
1182 | svf [4] = PL_rs; |
1219 | svf [4] = PL_rs; |
… | |
… | |
1202 | SvREFCNT_dec (coro->invoke_cb); |
1239 | SvREFCNT_dec (coro->invoke_cb); |
1203 | SvREFCNT_dec (coro->invoke_av); |
1240 | SvREFCNT_dec (coro->invoke_av); |
1204 | } |
1241 | } |
1205 | } |
1242 | } |
1206 | |
1243 | |
1207 | INLINE void |
1244 | ecb_inline void |
1208 | free_coro_mortal (pTHX) |
1245 | free_coro_mortal (pTHX) |
1209 | { |
1246 | { |
1210 | if (expect_true (coro_mortal)) |
1247 | if (ecb_expect_true (coro_mortal)) |
1211 | { |
1248 | { |
1212 | SvREFCNT_dec (coro_mortal); |
1249 | SvREFCNT_dec ((SV *)coro_mortal); |
1213 | coro_mortal = 0; |
1250 | coro_mortal = 0; |
1214 | } |
1251 | } |
1215 | } |
1252 | } |
1216 | |
1253 | |
1217 | static int |
1254 | static int |
… | |
… | |
1350 | |
1387 | |
1351 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1388 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1352 | } |
1389 | } |
1353 | |
1390 | |
1354 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1391 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1355 | static void NOINLINE |
1392 | static void ecb_noinline |
1356 | cctx_prepare (pTHX) |
1393 | cctx_prepare (pTHX) |
1357 | { |
1394 | { |
1358 | PL_top_env = &PL_start_env; |
1395 | PL_top_env = &PL_start_env; |
1359 | |
1396 | |
1360 | if (cctx_current->flags & CC_TRACE) |
1397 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1371 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1408 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1372 | slf_frame.check = slf_check_set_stacklevel; |
1409 | slf_frame.check = slf_check_set_stacklevel; |
1373 | } |
1410 | } |
1374 | |
1411 | |
1375 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1412 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1376 | INLINE void |
1413 | ecb_inline void |
1377 | transfer_tail (pTHX) |
1414 | transfer_tail (pTHX) |
1378 | { |
1415 | { |
1379 | free_coro_mortal (aTHX); |
1416 | free_coro_mortal (aTHX); |
1380 | } |
1417 | } |
1381 | |
1418 | |
… | |
… | |
1425 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1462 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1426 | } |
1463 | } |
1427 | } |
1464 | } |
1428 | |
1465 | |
1429 | static coro_cctx * |
1466 | static coro_cctx * |
1430 | cctx_new () |
1467 | cctx_new (void) |
1431 | { |
1468 | { |
1432 | coro_cctx *cctx; |
1469 | coro_cctx *cctx; |
1433 | |
1470 | |
1434 | ++cctx_count; |
1471 | ++cctx_count; |
1435 | New (0, cctx, 1, coro_cctx); |
1472 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1441 | return cctx; |
1478 | return cctx; |
1442 | } |
1479 | } |
1443 | |
1480 | |
1444 | /* create a new cctx only suitable as source */ |
1481 | /* create a new cctx only suitable as source */ |
1445 | static coro_cctx * |
1482 | static coro_cctx * |
1446 | cctx_new_empty () |
1483 | cctx_new_empty (void) |
1447 | { |
1484 | { |
1448 | coro_cctx *cctx = cctx_new (); |
1485 | coro_cctx *cctx = cctx_new (); |
1449 | |
1486 | |
1450 | cctx->sptr = 0; |
1487 | cctx->sptr = 0; |
1451 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1488 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
… | |
… | |
1453 | return cctx; |
1490 | return cctx; |
1454 | } |
1491 | } |
1455 | |
1492 | |
1456 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1493 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1457 | static coro_cctx * |
1494 | static coro_cctx * |
1458 | cctx_new_run () |
1495 | cctx_new_run (void) |
1459 | { |
1496 | { |
1460 | coro_cctx *cctx = cctx_new (); |
1497 | coro_cctx *cctx = cctx_new (); |
1461 | void *stack_start; |
1498 | void *stack_start; |
1462 | size_t stack_size; |
1499 | size_t stack_size; |
1463 | |
1500 | |
1464 | #if HAVE_MMAP |
1501 | #if HAVE_MMAP |
1465 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1502 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1466 | /* mmap supposedly does allocate-on-write for us */ |
1503 | /* mmap supposedly does allocate-on-write for us */ |
1467 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1504 | cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, 0, 0); |
1468 | |
1505 | |
1469 | if (cctx->sptr != (void *)-1) |
1506 | if (cctx->sptr != (void *)-1) |
1470 | { |
1507 | { |
1471 | #if CORO_STACKGUARD |
1508 | #if CORO_STACKGUARD |
1472 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1509 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
… | |
… | |
1533 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1570 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1534 | |
1571 | |
1535 | static coro_cctx * |
1572 | static coro_cctx * |
1536 | cctx_get (pTHX) |
1573 | cctx_get (pTHX) |
1537 | { |
1574 | { |
1538 | while (expect_true (cctx_first)) |
1575 | while (ecb_expect_true (cctx_first)) |
1539 | { |
1576 | { |
1540 | coro_cctx *cctx = cctx_first; |
1577 | coro_cctx *cctx = cctx_first; |
1541 | cctx_first = cctx->next; |
1578 | cctx_first = cctx->next; |
1542 | --cctx_idle; |
1579 | --cctx_idle; |
1543 | |
1580 | |
1544 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1581 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1545 | return cctx; |
1582 | return cctx; |
1546 | |
1583 | |
1547 | cctx_destroy (cctx); |
1584 | cctx_destroy (cctx); |
1548 | } |
1585 | } |
1549 | |
1586 | |
… | |
… | |
1554 | cctx_put (coro_cctx *cctx) |
1591 | cctx_put (coro_cctx *cctx) |
1555 | { |
1592 | { |
1556 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1593 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1557 | |
1594 | |
1558 | /* free another cctx if overlimit */ |
1595 | /* free another cctx if overlimit */ |
1559 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1596 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1560 | { |
1597 | { |
1561 | coro_cctx *first = cctx_first; |
1598 | coro_cctx *first = cctx_first; |
1562 | cctx_first = first->next; |
1599 | cctx_first = first->next; |
1563 | --cctx_idle; |
1600 | --cctx_idle; |
1564 | |
1601 | |
… | |
… | |
1575 | static void |
1612 | static void |
1576 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1613 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1577 | { |
1614 | { |
1578 | /* TODO: throwing up here is considered harmful */ |
1615 | /* TODO: throwing up here is considered harmful */ |
1579 | |
1616 | |
1580 | if (expect_true (prev != next)) |
1617 | if (ecb_expect_true (prev != next)) |
1581 | { |
1618 | { |
1582 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1619 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1583 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1620 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1584 | |
1621 | |
1585 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1622 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1586 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1623 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1587 | |
1624 | |
1588 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1625 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1589 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1626 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1590 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1627 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1591 | #endif |
1628 | #endif |
1592 | } |
1629 | } |
1593 | } |
1630 | } |
1594 | |
1631 | |
1595 | /* always use the TRANSFER macro */ |
1632 | /* always use the TRANSFER macro */ |
1596 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1633 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1597 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1634 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1598 | { |
1635 | { |
1599 | dSTACKLEVEL; |
1636 | dSTACKLEVEL; |
1600 | |
1637 | |
1601 | /* sometimes transfer is only called to set idle_sp */ |
1638 | /* sometimes transfer is only called to set idle_sp */ |
1602 | if (expect_false (!prev)) |
1639 | if (ecb_expect_false (!prev)) |
1603 | { |
1640 | { |
1604 | cctx_current->idle_sp = STACKLEVEL; |
1641 | cctx_current->idle_sp = STACKLEVEL; |
1605 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1642 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1606 | } |
1643 | } |
1607 | else if (expect_true (prev != next)) |
1644 | else if (ecb_expect_true (prev != next)) |
1608 | { |
1645 | { |
1609 | coro_cctx *cctx_prev; |
1646 | coro_cctx *cctx_prev; |
1610 | |
1647 | |
1611 | if (expect_false (prev->flags & CF_NEW)) |
1648 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1612 | { |
1649 | { |
1613 | /* create a new empty/source context */ |
1650 | /* create a new empty/source context */ |
1614 | prev->flags &= ~CF_NEW; |
1651 | prev->flags &= ~CF_NEW; |
1615 | prev->flags |= CF_RUNNING; |
1652 | prev->flags |= CF_RUNNING; |
1616 | } |
1653 | } |
… | |
… | |
1619 | next->flags |= CF_RUNNING; |
1656 | next->flags |= CF_RUNNING; |
1620 | |
1657 | |
1621 | /* first get rid of the old state */ |
1658 | /* first get rid of the old state */ |
1622 | save_perl (aTHX_ prev); |
1659 | save_perl (aTHX_ prev); |
1623 | |
1660 | |
1624 | if (expect_false (next->flags & CF_NEW)) |
1661 | if (ecb_expect_false (next->flags & CF_NEW)) |
1625 | { |
1662 | { |
1626 | /* need to start coroutine */ |
1663 | /* need to start coroutine */ |
1627 | next->flags &= ~CF_NEW; |
1664 | next->flags &= ~CF_NEW; |
1628 | /* setup coroutine call */ |
1665 | /* setup coroutine call */ |
1629 | init_perl (aTHX_ next); |
1666 | init_perl (aTHX_ next); |
1630 | } |
1667 | } |
1631 | else |
1668 | else |
1632 | load_perl (aTHX_ next); |
1669 | load_perl (aTHX_ next); |
1633 | |
1670 | |
1634 | /* possibly untie and reuse the cctx */ |
1671 | /* possibly untie and reuse the cctx */ |
1635 | if (expect_true ( |
1672 | if (ecb_expect_true ( |
1636 | cctx_current->idle_sp == STACKLEVEL |
1673 | cctx_current->idle_sp == STACKLEVEL |
1637 | && !(cctx_current->flags & CC_TRACE) |
1674 | && !(cctx_current->flags & CC_TRACE) |
1638 | && !force_cctx |
1675 | && !force_cctx |
1639 | )) |
1676 | )) |
1640 | { |
1677 | { |
1641 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1678 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1642 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1679 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1643 | |
1680 | |
1644 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1681 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1645 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1682 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1646 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1683 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1647 | if (expect_true (!next->cctx)) |
1684 | if (ecb_expect_true (!next->cctx)) |
1648 | next->cctx = cctx_get (aTHX); |
1685 | next->cctx = cctx_get (aTHX); |
1649 | |
1686 | |
1650 | cctx_put (cctx_current); |
1687 | cctx_put (cctx_current); |
1651 | } |
1688 | } |
1652 | else |
1689 | else |
1653 | prev->cctx = cctx_current; |
1690 | prev->cctx = cctx_current; |
1654 | |
1691 | |
1655 | ++next->usecount; |
1692 | ++next->usecount; |
1656 | |
1693 | |
1657 | cctx_prev = cctx_current; |
1694 | cctx_prev = cctx_current; |
1658 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1695 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1659 | |
1696 | |
1660 | next->cctx = 0; |
1697 | next->cctx = 0; |
1661 | |
1698 | |
1662 | if (expect_false (cctx_prev != cctx_current)) |
1699 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1663 | { |
1700 | { |
1664 | cctx_prev->top_env = PL_top_env; |
1701 | cctx_prev->top_env = PL_top_env; |
1665 | PL_top_env = cctx_current->top_env; |
1702 | PL_top_env = cctx_current->top_env; |
1666 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1703 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1667 | } |
1704 | } |
… | |
… | |
1673 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1710 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1674 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1711 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1675 | |
1712 | |
1676 | /** high level stuff ********************************************************/ |
1713 | /** high level stuff ********************************************************/ |
1677 | |
1714 | |
|
|
1715 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1716 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
|
|
1717 | static void |
|
|
1718 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1719 | |
1678 | static void |
1720 | static void |
1679 | coro_state_destroy (pTHX_ struct coro *coro) |
1721 | coro_state_destroy (pTHX_ struct coro *coro) |
1680 | { |
1722 | { |
1681 | if (coro->flags & CF_DESTROYED) |
1723 | if (coro->flags & CF_ZOMBIE) |
1682 | return; |
1724 | return; |
1683 | |
1725 | |
1684 | slf_destroy (aTHX_ coro); |
1726 | slf_destroy (aTHX_ coro); |
1685 | |
1727 | |
1686 | coro->flags |= CF_DESTROYED; |
1728 | coro->flags |= CF_ZOMBIE; |
1687 | |
1729 | |
1688 | if (coro->flags & CF_READY) |
1730 | if (coro->flags & CF_READY) |
1689 | { |
1731 | { |
1690 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1732 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1691 | /* alternative: look through all ready queues and remove the coro */ |
1733 | /* alternative: look through all ready queues and remove the coro */ |
1692 | --coro_nready; |
1734 | --coro_nready; |
1693 | } |
1735 | } |
1694 | else |
1736 | else |
1695 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1737 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1738 | |
|
|
1739 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1740 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1741 | if (coro == coro_first) coro_first = coro->next; |
1696 | |
1742 | |
1697 | if (coro->mainstack |
1743 | if (coro->mainstack |
1698 | && coro->mainstack != main_mainstack |
1744 | && coro->mainstack != main_mainstack |
1699 | && coro->slot |
1745 | && coro->slot |
1700 | && !PL_dirty) |
1746 | && !PL_dirty) |
1701 | destroy_perl (aTHX_ coro); |
1747 | destroy_perl (aTHX_ coro); |
1702 | |
1748 | |
1703 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1704 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1705 | if (coro == coro_first) coro_first = coro->next; |
|
|
1706 | |
|
|
1707 | cctx_destroy (coro->cctx); |
1749 | cctx_destroy (coro->cctx); |
1708 | SvREFCNT_dec (coro->startcv); |
1750 | SvREFCNT_dec (coro->startcv); |
1709 | SvREFCNT_dec (coro->args); |
1751 | SvREFCNT_dec (coro->args); |
1710 | SvREFCNT_dec (coro->swap_sv); |
1752 | SvREFCNT_dec (coro->swap_sv); |
1711 | SvREFCNT_dec (CORO_THROW); |
1753 | SvREFCNT_dec (CORO_THROW); |
|
|
1754 | |
|
|
1755 | coro_call_on_destroy (aTHX_ coro); |
|
|
1756 | |
|
|
1757 | /* more destruction mayhem in coro_state_free */ |
1712 | } |
1758 | } |
1713 | |
1759 | |
1714 | static int |
1760 | static int |
1715 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1761 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1716 | { |
1762 | { |
1717 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1763 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1718 | mg->mg_ptr = 0; |
1764 | mg->mg_ptr = 0; |
1719 | |
1765 | |
1720 | coro->hv = 0; |
|
|
1721 | |
|
|
1722 | if (--coro->refcnt < 0) |
|
|
1723 | { |
|
|
1724 | coro_state_destroy (aTHX_ coro); |
1766 | coro_state_destroy (aTHX_ coro); |
|
|
1767 | SvREFCNT_dec (coro->on_destroy); |
|
|
1768 | SvREFCNT_dec (coro->status); |
|
|
1769 | |
1725 | Safefree (coro); |
1770 | Safefree (coro); |
1726 | } |
|
|
1727 | |
1771 | |
1728 | return 0; |
1772 | return 0; |
1729 | } |
1773 | } |
1730 | |
1774 | |
1731 | static int |
1775 | static int ecb_cold |
1732 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1776 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1733 | { |
1777 | { |
1734 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1778 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1735 | |
1779 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1736 | ++coro->refcnt; |
1780 | mg->mg_ptr = 0; |
|
|
1781 | mg->mg_virtual = 0; |
1737 | |
1782 | |
1738 | return 0; |
1783 | return 0; |
1739 | } |
1784 | } |
1740 | |
1785 | |
1741 | static MGVTBL coro_state_vtbl = { |
1786 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1766 | TRANSFER (ta, 1); |
1811 | TRANSFER (ta, 1); |
1767 | } |
1812 | } |
1768 | |
1813 | |
1769 | /** Coro ********************************************************************/ |
1814 | /** Coro ********************************************************************/ |
1770 | |
1815 | |
1771 | INLINE void |
1816 | ecb_inline void |
1772 | coro_enq (pTHX_ struct coro *coro) |
1817 | coro_enq (pTHX_ struct coro *coro) |
1773 | { |
1818 | { |
1774 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1819 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1775 | |
1820 | |
1776 | SvREFCNT_inc_NN (coro->hv); |
1821 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1778 | coro->next_ready = 0; |
1823 | coro->next_ready = 0; |
1779 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1824 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1780 | ready [1] = coro; |
1825 | ready [1] = coro; |
1781 | } |
1826 | } |
1782 | |
1827 | |
1783 | INLINE struct coro * |
1828 | ecb_inline struct coro * |
1784 | coro_deq (pTHX) |
1829 | coro_deq (pTHX) |
1785 | { |
1830 | { |
1786 | int prio; |
1831 | int prio; |
1787 | |
1832 | |
1788 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1833 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1841 | { |
1886 | { |
1842 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1887 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1843 | } |
1888 | } |
1844 | |
1889 | |
1845 | /* expects to own a reference to next->hv */ |
1890 | /* expects to own a reference to next->hv */ |
1846 | INLINE void |
1891 | ecb_inline void |
1847 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1892 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1848 | { |
1893 | { |
1849 | SV *prev_sv = SvRV (coro_current); |
1894 | SV *prev_sv = SvRV (coro_current); |
1850 | |
1895 | |
1851 | ta->prev = SvSTATE_hv (prev_sv); |
1896 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1864 | { |
1909 | { |
1865 | for (;;) |
1910 | for (;;) |
1866 | { |
1911 | { |
1867 | struct coro *next = coro_deq (aTHX); |
1912 | struct coro *next = coro_deq (aTHX); |
1868 | |
1913 | |
1869 | if (expect_true (next)) |
1914 | if (ecb_expect_true (next)) |
1870 | { |
1915 | { |
1871 | /* cannot transfer to destroyed coros, skip and look for next */ |
1916 | /* cannot transfer to destroyed coros, skip and look for next */ |
1872 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1917 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1873 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1918 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1874 | else |
1919 | else |
1875 | { |
1920 | { |
1876 | next->flags &= ~CF_READY; |
1921 | next->flags &= ~CF_READY; |
1877 | --coro_nready; |
1922 | --coro_nready; |
… | |
… | |
1910 | } |
1955 | } |
1911 | } |
1956 | } |
1912 | } |
1957 | } |
1913 | } |
1958 | } |
1914 | |
1959 | |
1915 | INLINE void |
1960 | ecb_inline void |
1916 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1961 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1917 | { |
1962 | { |
1918 | api_ready (aTHX_ coro_current); |
1963 | api_ready (aTHX_ coro_current); |
1919 | prepare_schedule (aTHX_ ta); |
1964 | prepare_schedule (aTHX_ ta); |
1920 | } |
1965 | } |
1921 | |
1966 | |
1922 | INLINE void |
1967 | ecb_inline void |
1923 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1968 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1924 | { |
1969 | { |
1925 | SV *prev = SvRV (coro_current); |
1970 | SV *prev = SvRV (coro_current); |
1926 | |
1971 | |
1927 | if (coro_nready) |
1972 | if (coro_nready) |
… | |
… | |
1957 | { |
2002 | { |
1958 | struct coro_transfer_args ta; |
2003 | struct coro_transfer_args ta; |
1959 | |
2004 | |
1960 | prepare_cede (aTHX_ &ta); |
2005 | prepare_cede (aTHX_ &ta); |
1961 | |
2006 | |
1962 | if (expect_true (ta.prev != ta.next)) |
2007 | if (ecb_expect_true (ta.prev != ta.next)) |
1963 | { |
2008 | { |
1964 | TRANSFER (ta, 1); |
2009 | TRANSFER (ta, 1); |
1965 | return 1; |
2010 | return 1; |
1966 | } |
2011 | } |
1967 | else |
2012 | else |
… | |
… | |
2010 | coro->slot->runops = RUNOPS_DEFAULT; |
2055 | coro->slot->runops = RUNOPS_DEFAULT; |
2011 | } |
2056 | } |
2012 | } |
2057 | } |
2013 | |
2058 | |
2014 | static void |
2059 | static void |
|
|
2060 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2061 | { |
|
|
2062 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2063 | { |
|
|
2064 | dSP; |
|
|
2065 | |
|
|
2066 | if (gimme_v == G_SCALAR) |
|
|
2067 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2068 | else |
|
|
2069 | { |
|
|
2070 | int i; |
|
|
2071 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2072 | |
|
|
2073 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2074 | PUSHs (AvARRAY (av)[i]); |
|
|
2075 | } |
|
|
2076 | |
|
|
2077 | PUTBACK; |
|
|
2078 | } |
|
|
2079 | } |
|
|
2080 | |
|
|
2081 | static void |
|
|
2082 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2083 | { |
|
|
2084 | if (!coro->on_destroy) |
|
|
2085 | coro->on_destroy = newAV (); |
|
|
2086 | |
|
|
2087 | av_push (coro->on_destroy, cb); |
|
|
2088 | } |
|
|
2089 | |
|
|
2090 | static void |
|
|
2091 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2092 | { |
|
|
2093 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2094 | } |
|
|
2095 | |
|
|
2096 | static int |
|
|
2097 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2098 | { |
|
|
2099 | struct coro *coro = (struct coro *)frame->data; |
|
|
2100 | |
|
|
2101 | if (!coro->status) |
|
|
2102 | return 1; |
|
|
2103 | |
|
|
2104 | frame->destroy = 0; |
|
|
2105 | |
|
|
2106 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2107 | |
|
|
2108 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2109 | |
|
|
2110 | return 0; |
|
|
2111 | } |
|
|
2112 | |
|
|
2113 | static void |
|
|
2114 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2115 | { |
|
|
2116 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2117 | |
|
|
2118 | if (items > 1) |
|
|
2119 | croak ("join called with too many arguments"); |
|
|
2120 | |
|
|
2121 | if (coro->status) |
|
|
2122 | frame->prepare = prepare_nop; |
|
|
2123 | else |
|
|
2124 | { |
|
|
2125 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2126 | frame->prepare = prepare_schedule; |
|
|
2127 | } |
|
|
2128 | |
|
|
2129 | frame->check = slf_check_join; |
|
|
2130 | frame->destroy = slf_destroy_join; |
|
|
2131 | frame->data = (void *)coro; |
|
|
2132 | SvREFCNT_inc (coro->hv); |
|
|
2133 | } |
|
|
2134 | |
|
|
2135 | static void |
2015 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2136 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2016 | { |
2137 | { |
2017 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2138 | AV *od = coro->on_destroy; |
2018 | |
2139 | |
2019 | if (on_destroyp) |
2140 | if (!od) |
2020 | { |
2141 | return; |
2021 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
2022 | AV *on_destroy = sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*on_destroyp))); |
|
|
2023 | AV *status = statusp ? sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*statusp))) : 0; |
|
|
2024 | |
2142 | |
2025 | while (AvFILLp (on_destroy) >= 0) |
2143 | while (AvFILLp (od) >= 0) |
|
|
2144 | { |
|
|
2145 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2146 | |
|
|
2147 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2148 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2149 | api_ready (aTHX_ cb); |
|
|
2150 | else |
2026 | { |
2151 | { |
2027 | dSP; /* don't disturb outer sp */ |
2152 | dSP; /* don't disturb outer sp */ |
2028 | SV *cb = av_pop (on_destroy); |
|
|
2029 | |
|
|
2030 | PUSHMARK (SP); |
2153 | PUSHMARK (SP); |
2031 | |
2154 | |
2032 | if (statusp) |
2155 | if (coro->status) |
2033 | { |
2156 | { |
2034 | int i; |
2157 | PUTBACK; |
2035 | EXTEND (SP, AvFILLp (status) + 1); |
2158 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
2036 | |
2159 | SPAGAIN; |
2037 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
2038 | PUSHs (AvARRAY (status)[i]); |
|
|
2039 | } |
2160 | } |
2040 | |
2161 | |
2041 | PUTBACK; |
2162 | PUTBACK; |
2042 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2163 | call_sv (cb, G_VOID | G_DISCARD); |
2043 | } |
2164 | } |
2044 | } |
2165 | } |
2045 | } |
2166 | } |
2046 | |
2167 | |
2047 | static void |
2168 | static void |
2048 | coro_set_status (HV *coro_hv, SV **arg, int items) |
2169 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2049 | { |
2170 | { |
2050 | AV *av = newAV (); |
2171 | AV *av; |
|
|
2172 | |
|
|
2173 | if (coro->status) |
|
|
2174 | { |
|
|
2175 | av = coro->status; |
|
|
2176 | av_clear (av); |
|
|
2177 | } |
|
|
2178 | else |
|
|
2179 | av = coro->status = newAV (); |
2051 | |
2180 | |
2052 | /* items are actually not so common, so optimise for this case */ |
2181 | /* items are actually not so common, so optimise for this case */ |
2053 | if (items) |
2182 | if (items) |
2054 | { |
2183 | { |
2055 | int i; |
2184 | int i; |
… | |
… | |
2057 | av_extend (av, items - 1); |
2186 | av_extend (av, items - 1); |
2058 | |
2187 | |
2059 | for (i = 0; i < items; ++i) |
2188 | for (i = 0; i < items; ++i) |
2060 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2189 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2061 | } |
2190 | } |
2062 | |
|
|
2063 | hv_store (coro_hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
2064 | } |
2191 | } |
2065 | |
2192 | |
2066 | static void |
2193 | static void |
2067 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
2194 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
2068 | { |
2195 | { |
… | |
… | |
2080 | static void |
2207 | static void |
2081 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2208 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2082 | { |
2209 | { |
2083 | HV *coro_hv = (HV *)SvRV (coro_current); |
2210 | HV *coro_hv = (HV *)SvRV (coro_current); |
2084 | |
2211 | |
2085 | coro_set_status (coro_hv, arg, items); |
2212 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
2086 | slf_init_terminate_cancel_common (frame, coro_hv); |
2213 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2087 | } |
2214 | } |
2088 | |
2215 | |
2089 | static void |
2216 | static void |
2090 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2217 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2091 | { |
2218 | { |
… | |
… | |
2096 | croak ("Coro::cancel called without coro object,"); |
2223 | croak ("Coro::cancel called without coro object,"); |
2097 | |
2224 | |
2098 | coro = SvSTATE (arg [0]); |
2225 | coro = SvSTATE (arg [0]); |
2099 | coro_hv = coro->hv; |
2226 | coro_hv = coro->hv; |
2100 | |
2227 | |
2101 | coro_set_status (coro_hv, arg + 1, items - 1); |
2228 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2102 | |
2229 | |
2103 | if (expect_false (coro->flags & CF_NOCANCEL)) |
2230 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2104 | { |
2231 | { |
2105 | /* coro currently busy cancelling something, so just notify it */ |
2232 | /* coro currently busy cancelling something, so just notify it */ |
2106 | coro->slf_frame.data = (void *)coro; |
2233 | coro->slf_frame.data = (void *)coro; |
2107 | |
2234 | |
2108 | frame->prepare = prepare_nop; |
2235 | frame->prepare = prepare_nop; |
2109 | frame->check = slf_check_nop; |
2236 | frame->check = slf_check_nop; |
2110 | } |
2237 | } |
2111 | else if (coro_hv == (HV *)SvRV (coro_current)) |
2238 | else if (coro_hv == (HV *)SvRV (coro_current)) |
2112 | { |
2239 | { |
2113 | /* cancelling the current coro is allowed, and equals terminate */ |
2240 | /* cancelling the current coro is allowed, and equals terminate */ |
2114 | slf_init_terminate_cancel_common (frame, coro_hv); |
2241 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2115 | } |
2242 | } |
2116 | else |
2243 | else |
2117 | { |
2244 | { |
2118 | struct coro *self = SvSTATE_current; |
2245 | struct coro *self = SvSTATE_current; |
2119 | |
2246 | |
… | |
… | |
2123 | * this is ugly, and hopefully fully worth the extra speed. |
2250 | * this is ugly, and hopefully fully worth the extra speed. |
2124 | * besides, I can't get the slow-but-safe version working... |
2251 | * besides, I can't get the slow-but-safe version working... |
2125 | */ |
2252 | */ |
2126 | slf_frame.data = 0; |
2253 | slf_frame.data = 0; |
2127 | self->flags |= CF_NOCANCEL; |
2254 | self->flags |= CF_NOCANCEL; |
2128 | |
|
|
2129 | coro_state_destroy (aTHX_ coro); |
2255 | coro_state_destroy (aTHX_ coro); |
2130 | coro_call_on_destroy (aTHX_ coro); |
|
|
2131 | |
|
|
2132 | self->flags &= ~CF_NOCANCEL; |
2256 | self->flags &= ~CF_NOCANCEL; |
2133 | |
2257 | |
2134 | if (slf_frame.data) |
2258 | if (slf_frame.data) |
2135 | { |
2259 | { |
2136 | /* while we were busy we have been cancelled, so terminate */ |
2260 | /* while we were busy we have been cancelled, so terminate */ |
2137 | slf_init_terminate_cancel_common (frame, self->hv); |
2261 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
2138 | } |
2262 | } |
2139 | else |
2263 | else |
2140 | { |
2264 | { |
2141 | frame->prepare = prepare_nop; |
2265 | frame->prepare = prepare_nop; |
2142 | frame->check = slf_check_nop; |
2266 | frame->check = slf_check_nop; |
… | |
… | |
2146 | |
2270 | |
2147 | static int |
2271 | static int |
2148 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
2272 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
2149 | { |
2273 | { |
2150 | frame->prepare = 0; |
2274 | frame->prepare = 0; |
2151 | coro_unwind_stacks (); |
2275 | coro_unwind_stacks (aTHX); |
2152 | |
2276 | |
2153 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
2277 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
2154 | |
2278 | |
2155 | return 1; |
2279 | return 1; |
2156 | } |
2280 | } |
… | |
… | |
2161 | if (coro->cctx) |
2285 | if (coro->cctx) |
2162 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
2286 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
2163 | |
2287 | |
2164 | if (coro->flags & CF_NEW) |
2288 | if (coro->flags & CF_NEW) |
2165 | { |
2289 | { |
2166 | coro_set_status (coro->hv, arg, items); |
2290 | coro_set_status (aTHX_ coro, arg, items); |
2167 | coro_state_destroy (aTHX_ coro); |
2291 | coro_state_destroy (aTHX_ coro); |
2168 | coro_call_on_destroy (aTHX_ coro); |
|
|
2169 | } |
2292 | } |
2170 | else |
2293 | else |
2171 | { |
2294 | { |
2172 | if (!coro->slf_frame.prepare) |
2295 | if (!coro->slf_frame.prepare) |
2173 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
2296 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
2174 | |
2297 | |
2175 | slf_destroy (coro); |
2298 | slf_destroy (aTHX_ coro); |
2176 | |
2299 | |
2177 | coro_set_status (coro->hv, arg, items); |
2300 | coro_set_status (aTHX_ coro, arg, items); |
2178 | coro->slf_frame.prepare = prepare_nop; |
2301 | coro->slf_frame.prepare = prepare_nop; |
2179 | coro->slf_frame.check = slf_check_safe_cancel; |
2302 | coro->slf_frame.check = slf_check_safe_cancel; |
2180 | |
2303 | |
2181 | api_ready (aTHX_ coro->hv); |
2304 | api_ready (aTHX_ (SV *)coro->hv); |
2182 | } |
2305 | } |
2183 | |
2306 | |
2184 | return 1; |
2307 | return 1; |
2185 | } |
2308 | } |
2186 | |
2309 | |
… | |
… | |
2220 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2343 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2221 | { |
2344 | { |
2222 | HV *hv = (HV *)SvRV (coro_current); |
2345 | HV *hv = (HV *)SvRV (coro_current); |
2223 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2346 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2224 | |
2347 | |
2225 | if (expect_true (coro->saved_deffh)) |
2348 | if (ecb_expect_true (coro->saved_deffh)) |
2226 | { |
2349 | { |
2227 | /* subsequent iteration */ |
2350 | /* subsequent iteration */ |
2228 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2351 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2229 | coro->saved_deffh = 0; |
2352 | coro->saved_deffh = 0; |
2230 | |
2353 | |
… | |
… | |
2471 | static void |
2594 | static void |
2472 | slf_destroy (pTHX_ struct coro *coro) |
2595 | slf_destroy (pTHX_ struct coro *coro) |
2473 | { |
2596 | { |
2474 | /* this callback is reserved for slf functions needing to do cleanup */ |
2597 | /* this callback is reserved for slf functions needing to do cleanup */ |
2475 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
2598 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
2476 | coro->slf_frame.destroy (aTHX_ coro); |
2599 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
2477 | |
2600 | |
2478 | /* |
2601 | /* |
2479 | * The on_destroy above most likely is from an SLF call. |
2602 | * The on_destroy above most likely is from an SLF call. |
2480 | * Since by definition the SLF call will not finish when we destroy |
2603 | * Since by definition the SLF call will not finish when we destroy |
2481 | * the coro, we will have to force-finish it here, otherwise |
2604 | * the coro, we will have to force-finish it here, otherwise |
… | |
… | |
2496 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2619 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2497 | |
2620 | |
2498 | /* set up the slf frame, unless it has already been set-up */ |
2621 | /* set up the slf frame, unless it has already been set-up */ |
2499 | /* the latter happens when a new coro has been started */ |
2622 | /* the latter happens when a new coro has been started */ |
2500 | /* or when a new cctx was attached to an existing coroutine */ |
2623 | /* or when a new cctx was attached to an existing coroutine */ |
2501 | if (expect_true (!slf_frame.prepare)) |
2624 | if (ecb_expect_true (!slf_frame.prepare)) |
2502 | { |
2625 | { |
2503 | /* first iteration */ |
2626 | /* first iteration */ |
2504 | dSP; |
2627 | dSP; |
2505 | SV **arg = PL_stack_base + TOPMARK + 1; |
2628 | SV **arg = PL_stack_base + TOPMARK + 1; |
2506 | int items = SP - arg; /* args without function object */ |
2629 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2547 | while (slf_frame.check (aTHX_ &slf_frame)); |
2670 | while (slf_frame.check (aTHX_ &slf_frame)); |
2548 | |
2671 | |
2549 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2672 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2550 | |
2673 | |
2551 | /* exception handling */ |
2674 | /* exception handling */ |
2552 | if (expect_false (CORO_THROW)) |
2675 | if (ecb_expect_false (CORO_THROW)) |
2553 | { |
2676 | { |
2554 | SV *exception = sv_2mortal (CORO_THROW); |
2677 | SV *exception = sv_2mortal (CORO_THROW); |
2555 | |
2678 | |
2556 | CORO_THROW = 0; |
2679 | CORO_THROW = 0; |
2557 | sv_setsv (ERRSV, exception); |
2680 | sv_setsv (ERRSV, exception); |
2558 | croak (0); |
2681 | croak (0); |
2559 | } |
2682 | } |
2560 | |
2683 | |
2561 | /* return value handling - mostly like entersub */ |
2684 | /* return value handling - mostly like entersub */ |
2562 | /* make sure we put something on the stack in scalar context */ |
2685 | /* make sure we put something on the stack in scalar context */ |
2563 | if (GIMME_V == G_SCALAR) |
2686 | if (GIMME_V == G_SCALAR |
|
|
2687 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2564 | { |
2688 | { |
2565 | dSP; |
2689 | dSP; |
2566 | SV **bot = PL_stack_base + checkmark; |
2690 | SV **bot = PL_stack_base + checkmark; |
2567 | |
2691 | |
2568 | if (sp == bot) /* too few, push undef */ |
2692 | if (sp == bot) /* too few, push undef */ |
2569 | bot [1] = &PL_sv_undef; |
2693 | bot [1] = &PL_sv_undef; |
2570 | else if (sp != bot + 1) /* too many, take last one */ |
2694 | else /* too many, take last one */ |
2571 | bot [1] = *sp; |
2695 | bot [1] = *sp; |
2572 | |
2696 | |
2573 | SP = bot + 1; |
2697 | SP = bot + 1; |
2574 | |
2698 | |
2575 | PUTBACK; |
2699 | PUTBACK; |
… | |
… | |
2682 | { |
2806 | { |
2683 | PerlIOBuf base; |
2807 | PerlIOBuf base; |
2684 | NV next, every; |
2808 | NV next, every; |
2685 | } PerlIOCede; |
2809 | } PerlIOCede; |
2686 | |
2810 | |
2687 | static IV |
2811 | static IV ecb_cold |
2688 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2812 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2689 | { |
2813 | { |
2690 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2814 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2691 | |
2815 | |
2692 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2816 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2693 | self->next = nvtime () + self->every; |
2817 | self->next = nvtime () + self->every; |
2694 | |
2818 | |
2695 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2819 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2696 | } |
2820 | } |
2697 | |
2821 | |
2698 | static SV * |
2822 | static SV * ecb_cold |
2699 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2823 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2700 | { |
2824 | { |
2701 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2825 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2702 | |
2826 | |
2703 | return newSVnv (self->every); |
2827 | return newSVnv (self->every); |
… | |
… | |
2815 | SvREFCNT_dec (cb); |
2939 | SvREFCNT_dec (cb); |
2816 | } |
2940 | } |
2817 | } |
2941 | } |
2818 | |
2942 | |
2819 | static void |
2943 | static void |
2820 | coro_semaphore_destroy (pTHX_ struct coro *coro) |
2944 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2821 | { |
2945 | { |
2822 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2946 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2823 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2947 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2824 | } |
2948 | } |
2825 | |
2949 | |
2826 | static int |
2950 | static int |
2827 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2951 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2828 | { |
2952 | { |
2829 | AV *av = (AV *)frame->data; |
2953 | AV *av = (AV *)frame->data; |
2830 | SV *count_sv = AvARRAY (av)[0]; |
2954 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2955 | SV *coro_hv = SvRV (coro_current); |
2831 | |
2956 | |
2832 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2957 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2833 | if (CORO_THROW) |
2958 | if (CORO_THROW) |
2834 | return 0; |
2959 | return 0; |
2835 | else if (SvIVX (count_sv) > 0) |
2960 | else if (SvIVX (count_sv) > 0) |
… | |
… | |
2847 | { |
2972 | { |
2848 | int i; |
2973 | int i; |
2849 | /* if we were woken up but can't down, we look through the whole */ |
2974 | /* if we were woken up but can't down, we look through the whole */ |
2850 | /* waiters list and only add us if we aren't in there already */ |
2975 | /* waiters list and only add us if we aren't in there already */ |
2851 | /* this avoids some degenerate memory usage cases */ |
2976 | /* this avoids some degenerate memory usage cases */ |
2852 | |
2977 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2853 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2854 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2978 | if (AvARRAY (av)[i] == coro_hv) |
2855 | return 1; |
2979 | return 1; |
2856 | |
2980 | |
2857 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2981 | av_push (av, SvREFCNT_inc (coro_hv)); |
2858 | return 1; |
2982 | return 1; |
2859 | } |
2983 | } |
2860 | } |
2984 | } |
2861 | |
2985 | |
2862 | static int |
2986 | static int |
… | |
… | |
3115 | dSP; |
3239 | dSP; |
3116 | |
3240 | |
3117 | static SV *prio_cv; |
3241 | static SV *prio_cv; |
3118 | static SV *prio_sv; |
3242 | static SV *prio_sv; |
3119 | |
3243 | |
3120 | if (expect_false (!prio_cv)) |
3244 | if (ecb_expect_false (!prio_cv)) |
3121 | { |
3245 | { |
3122 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3246 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3123 | prio_sv = newSViv (0); |
3247 | prio_sv = newSViv (0); |
3124 | } |
3248 | } |
3125 | |
3249 | |
… | |
… | |
3231 | } |
3355 | } |
3232 | |
3356 | |
3233 | return coro_sv; |
3357 | return coro_sv; |
3234 | } |
3358 | } |
3235 | |
3359 | |
|
|
3360 | #ifndef __cplusplus |
|
|
3361 | ecb_cold XS(boot_Coro__State); |
|
|
3362 | #endif |
|
|
3363 | |
|
|
3364 | #if CORO_JIT |
|
|
3365 | |
|
|
3366 | static void ecb_noinline ecb_cold |
|
|
3367 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3368 | { |
|
|
3369 | dSP; |
|
|
3370 | AV *av = newAV (); |
|
|
3371 | |
|
|
3372 | av_store (av, 3, newSVuv (d)); |
|
|
3373 | av_store (av, 2, newSVuv (c)); |
|
|
3374 | av_store (av, 1, newSVuv (b)); |
|
|
3375 | av_store (av, 0, newSVuv (a)); |
|
|
3376 | |
|
|
3377 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3378 | |
|
|
3379 | PUTBACK; |
|
|
3380 | } |
|
|
3381 | |
|
|
3382 | static void ecb_noinline ecb_cold |
|
|
3383 | jit_init (pTHX) |
|
|
3384 | { |
|
|
3385 | dSP; |
|
|
3386 | SV *load, *save; |
|
|
3387 | char *map_base; |
|
|
3388 | char *load_ptr, *save_ptr; |
|
|
3389 | STRLEN load_len, save_len, map_len; |
|
|
3390 | int count; |
|
|
3391 | |
|
|
3392 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3393 | |
|
|
3394 | PUSHMARK (SP); |
|
|
3395 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3396 | # include "state.h" |
|
|
3397 | #undef VARx |
|
|
3398 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3399 | SPAGAIN; |
|
|
3400 | |
|
|
3401 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3402 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3403 | |
|
|
3404 | map_len = load_len + save_len + 16; |
|
|
3405 | |
|
|
3406 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3407 | |
|
|
3408 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3409 | |
|
|
3410 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3411 | memcpy (map_base, load_ptr, load_len); |
|
|
3412 | |
|
|
3413 | map_base += (load_len + 15) & ~15; |
|
|
3414 | |
|
|
3415 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3416 | memcpy (map_base, save_ptr, save_len); |
|
|
3417 | |
|
|
3418 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3419 | /* hackers might have it a bit more difficult */ |
|
|
3420 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3421 | |
|
|
3422 | PUTBACK; |
|
|
3423 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3424 | } |
|
|
3425 | |
|
|
3426 | #endif |
|
|
3427 | |
3236 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3428 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3237 | |
3429 | |
3238 | PROTOTYPES: DISABLE |
3430 | PROTOTYPES: DISABLE |
3239 | |
3431 | |
3240 | BOOT: |
3432 | BOOT: |
… | |
… | |
3243 | # if CORO_PTHREAD |
3435 | # if CORO_PTHREAD |
3244 | coro_thx = PERL_GET_CONTEXT; |
3436 | coro_thx = PERL_GET_CONTEXT; |
3245 | # endif |
3437 | # endif |
3246 | #endif |
3438 | #endif |
3247 | BOOT_PAGESIZE; |
3439 | BOOT_PAGESIZE; |
|
|
3440 | |
|
|
3441 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3442 | /* just create them one at init time is not clear to me, except for */ |
|
|
3443 | /* programs trying to delete them, but... */ |
|
|
3444 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3445 | DEFSV; |
|
|
3446 | ERRSV; |
3248 | |
3447 | |
3249 | cctx_current = cctx_new_empty (); |
3448 | cctx_current = cctx_new_empty (); |
3250 | |
3449 | |
3251 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3450 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3252 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3451 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
3295 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3494 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3296 | |
3495 | |
3297 | time_init (aTHX); |
3496 | time_init (aTHX); |
3298 | |
3497 | |
3299 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3498 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3499 | #if CORO_JIT |
|
|
3500 | PUTBACK; |
|
|
3501 | jit_init (aTHX); |
|
|
3502 | SPAGAIN; |
|
|
3503 | #endif |
3300 | } |
3504 | } |
3301 | |
3505 | |
3302 | SV * |
3506 | SV * |
3303 | new (SV *klass, ...) |
3507 | new (SV *klass, ...) |
3304 | ALIAS: |
3508 | ALIAS: |
… | |
… | |
3446 | PROTOTYPE: $ |
3650 | PROTOTYPE: $ |
3447 | ALIAS: |
3651 | ALIAS: |
3448 | is_ready = CF_READY |
3652 | is_ready = CF_READY |
3449 | is_running = CF_RUNNING |
3653 | is_running = CF_RUNNING |
3450 | is_new = CF_NEW |
3654 | is_new = CF_NEW |
3451 | is_destroyed = CF_DESTROYED |
3655 | is_destroyed = CF_ZOMBIE |
|
|
3656 | is_zombie = CF_ZOMBIE |
3452 | is_suspended = CF_SUSPENDED |
3657 | is_suspended = CF_SUSPENDED |
3453 | CODE: |
3658 | CODE: |
3454 | RETVAL = boolSV (coro->flags & ix); |
3659 | RETVAL = boolSV (coro->flags & ix); |
3455 | OUTPUT: |
3660 | OUTPUT: |
3456 | RETVAL |
3661 | RETVAL |
… | |
… | |
3551 | times (Coro::State self) |
3756 | times (Coro::State self) |
3552 | PPCODE: |
3757 | PPCODE: |
3553 | { |
3758 | { |
3554 | struct coro *current = SvSTATE (coro_current); |
3759 | struct coro *current = SvSTATE (coro_current); |
3555 | |
3760 | |
3556 | if (expect_false (current == self)) |
3761 | if (ecb_expect_false (current == self)) |
3557 | { |
3762 | { |
3558 | coro_times_update (); |
3763 | coro_times_update (); |
3559 | coro_times_add (SvSTATE (coro_current)); |
3764 | coro_times_add (SvSTATE (coro_current)); |
3560 | } |
3765 | } |
3561 | |
3766 | |
3562 | EXTEND (SP, 2); |
3767 | EXTEND (SP, 2); |
3563 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3768 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3564 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3769 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3565 | |
3770 | |
3566 | if (expect_false (current == self)) |
3771 | if (ecb_expect_false (current == self)) |
3567 | coro_times_sub (SvSTATE (coro_current)); |
3772 | coro_times_sub (SvSTATE (coro_current)); |
3568 | } |
3773 | } |
3569 | |
3774 | |
3570 | void |
3775 | void |
3571 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3776 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
… | |
… | |
3644 | void |
3849 | void |
3645 | _destroy (Coro::State coro) |
3850 | _destroy (Coro::State coro) |
3646 | CODE: |
3851 | CODE: |
3647 | /* used by the manager thread */ |
3852 | /* used by the manager thread */ |
3648 | coro_state_destroy (aTHX_ coro); |
3853 | coro_state_destroy (aTHX_ coro); |
|
|
3854 | |
|
|
3855 | void |
|
|
3856 | on_destroy (Coro::State coro, SV *cb) |
|
|
3857 | CODE: |
3649 | coro_call_on_destroy (aTHX_ coro); |
3858 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3859 | |
|
|
3860 | void |
|
|
3861 | join (...) |
|
|
3862 | CODE: |
|
|
3863 | CORO_EXECUTE_SLF_XS (slf_init_join); |
3650 | |
3864 | |
3651 | void |
3865 | void |
3652 | terminate (...) |
3866 | terminate (...) |
3653 | CODE: |
3867 | CODE: |
3654 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3868 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
… | |
… | |
3944 | } |
4158 | } |
3945 | |
4159 | |
3946 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4160 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3947 | |
4161 | |
3948 | void |
4162 | void |
3949 | _may_delete (SV *sem, int count, int extra_refs) |
4163 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3950 | PPCODE: |
4164 | PPCODE: |
3951 | { |
4165 | { |
3952 | AV *av = (AV *)SvRV (sem); |
4166 | AV *av = (AV *)SvRV (sem); |
3953 | |
4167 | |
3954 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4168 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |