|
|
1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
|
|
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
|
|
3 | |
1 | #define NDEBUG 1 |
4 | #define NDEBUG 1 |
2 | |
5 | |
3 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
4 | |
7 | |
5 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
… | |
… | |
9 | #include "perl.h" |
12 | #include "perl.h" |
10 | #include "XSUB.h" |
13 | #include "XSUB.h" |
11 | #include "perliol.h" |
14 | #include "perliol.h" |
12 | |
15 | |
13 | #include "schmorp.h" |
16 | #include "schmorp.h" |
|
|
17 | #include "ecb.h" |
14 | |
18 | |
|
|
19 | #include <stddef.h> |
15 | #include <stdio.h> |
20 | #include <stdio.h> |
16 | #include <errno.h> |
21 | #include <errno.h> |
17 | #include <assert.h> |
22 | #include <assert.h> |
18 | |
23 | |
19 | #ifndef SVs_PADSTALE |
24 | #ifndef SVs_PADSTALE |
20 | # define SVs_PADSTALE 0 |
25 | # define SVs_PADSTALE 0 |
21 | #endif |
26 | #endif |
22 | |
27 | |
23 | #ifdef WIN32 |
28 | #if defined(_WIN32) |
|
|
29 | # undef HAS_GETTIMEOFDAY |
24 | # undef setjmp |
30 | # undef setjmp |
25 | # undef longjmp |
31 | # undef longjmp |
26 | # undef _exit |
32 | # undef _exit |
27 | # define setjmp _setjmp /* deep magic */ |
33 | # define setjmp _setjmp /* deep magic */ |
28 | #else |
34 | #else |
29 | # include <inttypes.h> /* most portable stdint.h */ |
35 | # include <inttypes.h> /* most portable stdint.h */ |
30 | #endif |
36 | #endif |
31 | |
37 | |
32 | #ifdef HAVE_MMAP |
38 | #if HAVE_MMAP |
33 | # include <unistd.h> |
39 | # include <unistd.h> |
34 | # include <sys/mman.h> |
40 | # include <sys/mman.h> |
35 | # ifndef MAP_ANONYMOUS |
41 | # ifndef MAP_ANONYMOUS |
36 | # ifdef MAP_ANON |
42 | # ifdef MAP_ANON |
37 | # define MAP_ANONYMOUS MAP_ANON |
43 | # define MAP_ANONYMOUS MAP_ANON |
… | |
… | |
82 | # define STACKLEVEL ((void *)&stacklevel) |
88 | # define STACKLEVEL ((void *)&stacklevel) |
83 | #endif |
89 | #endif |
84 | |
90 | |
85 | #define IN_DESTRUCT PL_dirty |
91 | #define IN_DESTRUCT PL_dirty |
86 | |
92 | |
87 | #if __GNUC__ >= 3 |
|
|
88 | # define attribute(x) __attribute__(x) |
|
|
89 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
|
|
90 | # define INLINE static inline |
|
|
91 | #else |
|
|
92 | # define attribute(x) |
|
|
93 | # define expect(expr,value) (expr) |
|
|
94 | # define INLINE static |
|
|
95 | #endif |
|
|
96 | |
|
|
97 | #define expect_false(expr) expect ((expr) != 0, 0) |
|
|
98 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
99 | |
|
|
100 | #define NOINLINE attribute ((noinline)) |
|
|
101 | |
|
|
102 | #include "CoroAPI.h" |
93 | #include "CoroAPI.h" |
103 | #define GCoroAPI (&coroapi) /* very sneaky */ |
94 | #define GCoroAPI (&coroapi) /* very sneaky */ |
104 | |
95 | |
105 | #ifdef USE_ITHREADS |
96 | #ifdef USE_ITHREADS |
106 | # if CORO_PTHREAD |
97 | # if CORO_PTHREAD |
107 | static void *coro_thx; |
98 | static void *coro_thx; |
108 | # endif |
99 | # endif |
109 | #endif |
100 | #endif |
|
|
101 | |
|
|
102 | /* used in state.h */ |
|
|
103 | #define VAR(name,type) VARx(name, PL_ ## name, type) |
110 | |
104 | |
111 | #ifdef __linux |
105 | #ifdef __linux |
112 | # include <time.h> /* for timespec */ |
106 | # include <time.h> /* for timespec */ |
113 | # include <syscall.h> /* for SYS_* */ |
107 | # include <syscall.h> /* for SYS_* */ |
114 | # ifdef SYS_clock_gettime |
108 | # ifdef SYS_clock_gettime |
… | |
… | |
122 | static void (*u2time)(pTHX_ UV ret[2]); |
116 | static void (*u2time)(pTHX_ UV ret[2]); |
123 | |
117 | |
124 | /* we hijack an hopefully unused CV flag for our purposes */ |
118 | /* we hijack an hopefully unused CV flag for our purposes */ |
125 | #define CVf_SLF 0x4000 |
119 | #define CVf_SLF 0x4000 |
126 | static OP *pp_slf (pTHX); |
120 | static OP *pp_slf (pTHX); |
|
|
121 | static void slf_destroy (pTHX_ struct coro *coro); |
127 | |
122 | |
128 | static U32 cctx_gen; |
123 | static U32 cctx_gen; |
129 | static size_t cctx_stacksize = CORO_STACKSIZE; |
124 | static size_t cctx_stacksize = CORO_STACKSIZE; |
130 | static struct CoroAPI coroapi; |
125 | static struct CoroAPI coroapi; |
131 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
126 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
… | |
… | |
161 | static char times_valid; |
156 | static char times_valid; |
162 | |
157 | |
163 | static struct coro_cctx *cctx_first; |
158 | static struct coro_cctx *cctx_first; |
164 | static int cctx_count, cctx_idle; |
159 | static int cctx_count, cctx_idle; |
165 | |
160 | |
166 | enum { |
161 | enum |
|
|
162 | { |
167 | CC_MAPPED = 0x01, |
163 | CC_MAPPED = 0x01, |
168 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
164 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
169 | CC_TRACE = 0x04, |
165 | CC_TRACE = 0x04, |
170 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
166 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
171 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
167 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
… | |
… | |
192 | int valgrind_id; |
188 | int valgrind_id; |
193 | #endif |
189 | #endif |
194 | unsigned char flags; |
190 | unsigned char flags; |
195 | } coro_cctx; |
191 | } coro_cctx; |
196 | |
192 | |
197 | coro_cctx *cctx_current; /* the currently running cctx */ |
193 | static coro_cctx *cctx_current; /* the currently running cctx */ |
198 | |
194 | |
199 | /*****************************************************************************/ |
195 | /*****************************************************************************/ |
200 | |
196 | |
|
|
197 | static MGVTBL coro_state_vtbl; |
|
|
198 | |
201 | enum { |
199 | enum |
|
|
200 | { |
202 | CF_RUNNING = 0x0001, /* coroutine is running */ |
201 | CF_RUNNING = 0x0001, /* coroutine is running */ |
203 | CF_READY = 0x0002, /* coroutine is ready */ |
202 | CF_READY = 0x0002, /* coroutine is ready */ |
204 | CF_NEW = 0x0004, /* has never been switched to */ |
203 | CF_NEW = 0x0004, /* has never been switched to */ |
205 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
204 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
206 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
205 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
|
|
206 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
207 | }; |
207 | }; |
208 | |
208 | |
209 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
209 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
210 | typedef struct |
210 | typedef struct |
211 | { |
211 | { |
212 | SV *defsv; |
|
|
213 | AV *defav; |
|
|
214 | SV *errsv; |
|
|
215 | SV *irsgv; |
|
|
216 | HV *hinthv; |
|
|
217 | #define VAR(name,type) type name; |
212 | #define VARx(name,expr,type) type name; |
218 | # include "state.h" |
213 | # include "state.h" |
219 | #undef VAR |
214 | #undef VARx |
220 | } perl_slots; |
215 | } perl_slots; |
221 | |
216 | |
|
|
217 | /* how many context stack entries do we need for perl_slots */ |
222 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
218 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
223 | |
219 | |
224 | /* this is a structure representing a perl-level coroutine */ |
220 | /* this is a structure representing a perl-level coroutine */ |
225 | struct coro { |
221 | struct coro |
|
|
222 | { |
226 | /* the C coroutine allocated to this perl coroutine, if any */ |
223 | /* the C coroutine allocated to this perl coroutine, if any */ |
227 | coro_cctx *cctx; |
224 | coro_cctx *cctx; |
228 | |
225 | |
229 | /* ready queue */ |
226 | /* ready queue */ |
230 | struct coro *next_ready; |
227 | struct coro *next_ready; |
… | |
… | |
232 | /* state data */ |
229 | /* state data */ |
233 | struct CoroSLF slf_frame; /* saved slf frame */ |
230 | struct CoroSLF slf_frame; /* saved slf frame */ |
234 | AV *mainstack; |
231 | AV *mainstack; |
235 | perl_slots *slot; /* basically the saved sp */ |
232 | perl_slots *slot; /* basically the saved sp */ |
236 | |
233 | |
237 | CV *startcv; /* the CV to execute */ |
234 | CV *startcv; /* the CV to execute */ |
238 | AV *args; /* data associated with this coroutine (initial args) */ |
235 | AV *args; /* data associated with this coroutine (initial args) */ |
239 | int refcnt; /* coroutines are refcounted, yes */ |
|
|
240 | int flags; /* CF_ flags */ |
236 | int flags; /* CF_ flags */ |
241 | HV *hv; /* the perl hash associated with this coro, if any */ |
237 | HV *hv; /* the perl hash associated with this coro, if any */ |
242 | void (*on_destroy)(pTHX_ struct coro *coro); |
|
|
243 | |
238 | |
244 | /* statistics */ |
239 | /* statistics */ |
245 | int usecount; /* number of transfers to this coro */ |
240 | int usecount; /* number of transfers to this coro */ |
246 | |
241 | |
247 | /* coro process data */ |
242 | /* coro process data */ |
248 | int prio; |
243 | int prio; |
249 | SV *except; /* exception to be thrown */ |
244 | SV *except; /* exception to be thrown */ |
250 | SV *rouse_cb; |
245 | SV *rouse_cb; /* last rouse callback */ |
|
|
246 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
|
|
247 | AV *status; /* the exit status list */ |
251 | |
248 | |
252 | /* async_pool */ |
249 | /* async_pool */ |
253 | SV *saved_deffh; |
250 | SV *saved_deffh; |
254 | SV *invoke_cb; |
251 | SV *invoke_cb; |
255 | AV *invoke_av; |
252 | AV *invoke_av; |
… | |
… | |
271 | typedef struct coro *Coro__State; |
268 | typedef struct coro *Coro__State; |
272 | typedef struct coro *Coro__State_or_hashref; |
269 | typedef struct coro *Coro__State_or_hashref; |
273 | |
270 | |
274 | /* the following variables are effectively part of the perl context */ |
271 | /* the following variables are effectively part of the perl context */ |
275 | /* and get copied between struct coro and these variables */ |
272 | /* and get copied between struct coro and these variables */ |
276 | /* the mainr easonw e don't support windows process emulation */ |
273 | /* the main reason we don't support windows process emulation */ |
277 | static struct CoroSLF slf_frame; /* the current slf frame */ |
274 | static struct CoroSLF slf_frame; /* the current slf frame */ |
278 | |
275 | |
279 | /** Coro ********************************************************************/ |
276 | /** Coro ********************************************************************/ |
280 | |
277 | |
281 | #define CORO_PRIO_MAX 3 |
278 | #define CORO_PRIO_MAX 3 |
… | |
… | |
287 | |
284 | |
288 | /* for Coro.pm */ |
285 | /* for Coro.pm */ |
289 | static SV *coro_current; |
286 | static SV *coro_current; |
290 | static SV *coro_readyhook; |
287 | static SV *coro_readyhook; |
291 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
288 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
292 | static CV *cv_coro_run, *cv_coro_terminate; |
289 | static CV *cv_coro_run; |
293 | static struct coro *coro_first; |
290 | static struct coro *coro_first; |
294 | #define coro_nready coroapi.nready |
291 | #define coro_nready coroapi.nready |
|
|
292 | |
|
|
293 | /** JIT *********************************************************************/ |
|
|
294 | |
|
|
295 | #if CORO_JIT |
|
|
296 | /* APPLE doesn't have HAVE_MMAP though */ |
|
|
297 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
|
|
298 | #ifndef CORO_JIT_TYPE |
|
|
299 | #if __x86_64 && CORO_JIT_UNIXY |
|
|
300 | #define CORO_JIT_TYPE "amd64-unix" |
|
|
301 | #elif __i386 && CORO_JIT_UNIXY |
|
|
302 | #define CORO_JIT_TYPE "x86-unix" |
|
|
303 | #endif |
|
|
304 | #endif |
|
|
305 | #endif |
|
|
306 | |
|
|
307 | #if !defined(CORO_JIT_TYPE) || !HAVE_MMAP |
|
|
308 | #undef CORO_JIT |
|
|
309 | #endif |
|
|
310 | |
|
|
311 | #if CORO_JIT |
|
|
312 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
|
|
313 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
|
|
314 | #endif |
295 | |
315 | |
296 | /** Coro::Select ************************************************************/ |
316 | /** Coro::Select ************************************************************/ |
297 | |
317 | |
298 | static OP *(*coro_old_pp_sselect) (pTHX); |
318 | static OP *(*coro_old_pp_sselect) (pTHX); |
299 | static SV *coro_select_select; |
319 | static SV *coro_select_select; |
… | |
… | |
311 | PL_op->op_flags |= OPf_STACKED; |
331 | PL_op->op_flags |= OPf_STACKED; |
312 | PL_op->op_private = 0; |
332 | PL_op->op_private = 0; |
313 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
333 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
314 | } |
334 | } |
315 | |
335 | |
|
|
336 | /** time stuff **************************************************************/ |
|
|
337 | |
|
|
338 | #ifdef HAS_GETTIMEOFDAY |
|
|
339 | |
|
|
340 | ECB_INLINE void |
|
|
341 | coro_u2time (pTHX_ UV ret[2]) |
|
|
342 | { |
|
|
343 | struct timeval tv; |
|
|
344 | gettimeofday (&tv, 0); |
|
|
345 | |
|
|
346 | ret [0] = tv.tv_sec; |
|
|
347 | ret [1] = tv.tv_usec; |
|
|
348 | } |
|
|
349 | |
|
|
350 | ECB_INLINE double |
|
|
351 | coro_nvtime (void) |
|
|
352 | { |
|
|
353 | struct timeval tv; |
|
|
354 | gettimeofday (&tv, 0); |
|
|
355 | |
|
|
356 | return tv.tv_sec + tv.tv_usec * 1e-6; |
|
|
357 | } |
|
|
358 | |
|
|
359 | ECB_INLINE void |
|
|
360 | time_init (pTHX) |
|
|
361 | { |
|
|
362 | nvtime = coro_nvtime; |
|
|
363 | u2time = coro_u2time; |
|
|
364 | } |
|
|
365 | |
|
|
366 | #else |
|
|
367 | |
|
|
368 | ECB_INLINE void |
|
|
369 | time_init (pTHX) |
|
|
370 | { |
|
|
371 | SV **svp; |
|
|
372 | |
|
|
373 | require_pv ("Time/HiRes.pm"); |
|
|
374 | |
|
|
375 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
376 | |
|
|
377 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
|
|
378 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
|
|
379 | |
|
|
380 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
381 | |
|
|
382 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
383 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
384 | } |
|
|
385 | |
|
|
386 | #endif |
|
|
387 | |
316 | /** lowlevel stuff **********************************************************/ |
388 | /** lowlevel stuff **********************************************************/ |
317 | |
389 | |
318 | static SV * |
390 | static SV * ecb_noinline |
319 | coro_get_sv (pTHX_ const char *name, int create) |
391 | coro_get_sv (pTHX_ const char *name, int create) |
320 | { |
392 | { |
321 | #if PERL_VERSION_ATLEAST (5,10,0) |
393 | #if PERL_VERSION_ATLEAST (5,10,0) |
322 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
394 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
323 | get_sv (name, create); |
395 | get_sv (name, create); |
324 | #endif |
396 | #endif |
325 | return get_sv (name, create); |
397 | return get_sv (name, create); |
326 | } |
398 | } |
327 | |
399 | |
328 | static AV * |
400 | static AV * ecb_noinline |
329 | coro_get_av (pTHX_ const char *name, int create) |
401 | coro_get_av (pTHX_ const char *name, int create) |
330 | { |
402 | { |
331 | #if PERL_VERSION_ATLEAST (5,10,0) |
403 | #if PERL_VERSION_ATLEAST (5,10,0) |
332 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
404 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
333 | get_av (name, create); |
405 | get_av (name, create); |
334 | #endif |
406 | #endif |
335 | return get_av (name, create); |
407 | return get_av (name, create); |
336 | } |
408 | } |
337 | |
409 | |
338 | static HV * |
410 | static HV * ecb_noinline |
339 | coro_get_hv (pTHX_ const char *name, int create) |
411 | coro_get_hv (pTHX_ const char *name, int create) |
340 | { |
412 | { |
341 | #if PERL_VERSION_ATLEAST (5,10,0) |
413 | #if PERL_VERSION_ATLEAST (5,10,0) |
342 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
414 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
343 | get_hv (name, create); |
415 | get_hv (name, create); |
344 | #endif |
416 | #endif |
345 | return get_hv (name, create); |
417 | return get_hv (name, create); |
346 | } |
418 | } |
347 | |
419 | |
348 | INLINE void |
420 | ECB_INLINE void |
349 | coro_times_update () |
421 | coro_times_update (void) |
350 | { |
422 | { |
351 | #ifdef coro_clock_gettime |
423 | #ifdef coro_clock_gettime |
352 | struct timespec ts; |
424 | struct timespec ts; |
353 | |
425 | |
354 | ts.tv_sec = ts.tv_nsec = 0; |
426 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
366 | time_real [0] = tv [0]; |
438 | time_real [0] = tv [0]; |
367 | time_real [1] = tv [1] * 1000; |
439 | time_real [1] = tv [1] * 1000; |
368 | #endif |
440 | #endif |
369 | } |
441 | } |
370 | |
442 | |
371 | INLINE void |
443 | ECB_INLINE void |
372 | coro_times_add (struct coro *c) |
444 | coro_times_add (struct coro *c) |
373 | { |
445 | { |
374 | c->t_real [1] += time_real [1]; |
446 | c->t_real [1] += time_real [1]; |
375 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
447 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
376 | c->t_real [0] += time_real [0]; |
448 | c->t_real [0] += time_real [0]; |
… | |
… | |
378 | c->t_cpu [1] += time_cpu [1]; |
450 | c->t_cpu [1] += time_cpu [1]; |
379 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
451 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
380 | c->t_cpu [0] += time_cpu [0]; |
452 | c->t_cpu [0] += time_cpu [0]; |
381 | } |
453 | } |
382 | |
454 | |
383 | INLINE void |
455 | ECB_INLINE void |
384 | coro_times_sub (struct coro *c) |
456 | coro_times_sub (struct coro *c) |
385 | { |
457 | { |
386 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
458 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
387 | c->t_real [1] -= time_real [1]; |
459 | c->t_real [1] -= time_real [1]; |
388 | c->t_real [0] -= time_real [0]; |
460 | c->t_real [0] -= time_real [0]; |
… | |
… | |
396 | /* magic glue */ |
468 | /* magic glue */ |
397 | |
469 | |
398 | #define CORO_MAGIC_type_cv 26 |
470 | #define CORO_MAGIC_type_cv 26 |
399 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
471 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
400 | |
472 | |
401 | #define CORO_MAGIC_NN(sv, type) \ |
473 | #define CORO_MAGIC_NN(sv, type) \ |
402 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
474 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
403 | ? SvMAGIC (sv) \ |
475 | ? SvMAGIC (sv) \ |
404 | : mg_find (sv, type)) |
476 | : mg_find (sv, type)) |
405 | |
477 | |
406 | #define CORO_MAGIC(sv, type) \ |
478 | #define CORO_MAGIC(sv, type) \ |
407 | (expect_true (SvMAGIC (sv)) \ |
479 | (ecb_expect_true (SvMAGIC (sv)) \ |
408 | ? CORO_MAGIC_NN (sv, type) \ |
480 | ? CORO_MAGIC_NN (sv, type) \ |
409 | : 0) |
481 | : 0) |
410 | |
482 | |
411 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
483 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
412 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
484 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
413 | |
485 | |
|
|
486 | ECB_INLINE MAGIC * |
|
|
487 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
488 | { |
|
|
489 | MAGIC *mg; |
|
|
490 | |
|
|
491 | if (ecb_expect_true ( |
|
|
492 | SvTYPE (coro) == SVt_PVHV |
|
|
493 | && (mg = CORO_MAGIC_state (coro)) |
|
|
494 | && mg->mg_virtual == &coro_state_vtbl |
|
|
495 | )) |
|
|
496 | return mg; |
|
|
497 | |
|
|
498 | return 0; |
|
|
499 | } |
|
|
500 | |
414 | INLINE struct coro * |
501 | ECB_INLINE struct coro * |
415 | SvSTATE_ (pTHX_ SV *coro) |
502 | SvSTATE_ (pTHX_ SV *coro) |
416 | { |
503 | { |
417 | HV *stash; |
|
|
418 | MAGIC *mg; |
504 | MAGIC *mg; |
419 | |
505 | |
420 | if (SvROK (coro)) |
506 | if (SvROK (coro)) |
421 | coro = SvRV (coro); |
507 | coro = SvRV (coro); |
422 | |
508 | |
423 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
509 | mg = SvSTATEhv_p (aTHX_ coro); |
|
|
510 | if (!mg) |
424 | croak ("Coro::State object required"); |
511 | croak ("Coro::State object required"); |
425 | |
512 | |
426 | stash = SvSTASH (coro); |
|
|
427 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
428 | { |
|
|
429 | /* very slow, but rare, check */ |
|
|
430 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
431 | croak ("Coro::State object required"); |
|
|
432 | } |
|
|
433 | |
|
|
434 | mg = CORO_MAGIC_state (coro); |
|
|
435 | return (struct coro *)mg->mg_ptr; |
513 | return (struct coro *)mg->mg_ptr; |
436 | } |
514 | } |
437 | |
515 | |
438 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
516 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
439 | |
517 | |
… | |
… | |
442 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
520 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
443 | |
521 | |
444 | /*****************************************************************************/ |
522 | /*****************************************************************************/ |
445 | /* padlist management and caching */ |
523 | /* padlist management and caching */ |
446 | |
524 | |
447 | static AV * |
525 | ECB_INLINE AV * |
448 | coro_derive_padlist (pTHX_ CV *cv) |
526 | coro_derive_padlist (pTHX_ CV *cv) |
449 | { |
527 | { |
450 | AV *padlist = CvPADLIST (cv); |
528 | AV *padlist = CvPADLIST (cv); |
451 | AV *newpadlist, *newpad; |
529 | AV *newpadlist, *newpad; |
452 | |
530 | |
… | |
… | |
464 | av_store (newpadlist, 1, (SV *)newpad); |
542 | av_store (newpadlist, 1, (SV *)newpad); |
465 | |
543 | |
466 | return newpadlist; |
544 | return newpadlist; |
467 | } |
545 | } |
468 | |
546 | |
469 | static void |
547 | ECB_INLINE void |
470 | free_padlist (pTHX_ AV *padlist) |
548 | free_padlist (pTHX_ AV *padlist) |
471 | { |
549 | { |
472 | /* may be during global destruction */ |
550 | /* may be during global destruction */ |
473 | if (!IN_DESTRUCT) |
551 | if (!IN_DESTRUCT) |
474 | { |
552 | { |
… | |
… | |
517 | 0, 0, 0, 0, |
595 | 0, 0, 0, 0, |
518 | coro_cv_free |
596 | coro_cv_free |
519 | }; |
597 | }; |
520 | |
598 | |
521 | /* the next two functions merely cache the padlists */ |
599 | /* the next two functions merely cache the padlists */ |
522 | static void |
600 | ECB_INLINE void |
523 | get_padlist (pTHX_ CV *cv) |
601 | get_padlist (pTHX_ CV *cv) |
524 | { |
602 | { |
525 | MAGIC *mg = CORO_MAGIC_cv (cv); |
603 | MAGIC *mg = CORO_MAGIC_cv (cv); |
526 | AV *av; |
604 | AV *av; |
527 | |
605 | |
528 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
606 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
529 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
607 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
530 | else |
608 | else |
531 | { |
609 | { |
532 | #if CORO_PREFER_PERL_FUNCTIONS |
610 | #if CORO_PREFER_PERL_FUNCTIONS |
533 | /* this is probably cleaner? but also slower! */ |
611 | /* this is probably cleaner? but also slower! */ |
… | |
… | |
540 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
618 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
541 | #endif |
619 | #endif |
542 | } |
620 | } |
543 | } |
621 | } |
544 | |
622 | |
545 | static void |
623 | ECB_INLINE void |
546 | put_padlist (pTHX_ CV *cv) |
624 | put_padlist (pTHX_ CV *cv) |
547 | { |
625 | { |
548 | MAGIC *mg = CORO_MAGIC_cv (cv); |
626 | MAGIC *mg = CORO_MAGIC_cv (cv); |
549 | AV *av; |
627 | AV *av; |
550 | |
628 | |
551 | if (expect_false (!mg)) |
629 | if (ecb_expect_false (!mg)) |
552 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
630 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
553 | |
631 | |
554 | av = (AV *)mg->mg_obj; |
632 | av = (AV *)mg->mg_obj; |
555 | |
633 | |
556 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
634 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
557 | av_extend (av, AvFILLp (av) + 1); |
635 | av_extend (av, AvFILLp (av) + 1); |
558 | |
636 | |
559 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
637 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
560 | } |
638 | } |
561 | |
639 | |
… | |
… | |
583 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
661 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
584 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
662 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
585 | |
663 | |
586 | #if PERL_VERSION_ATLEAST (5,10,0) |
664 | #if PERL_VERSION_ATLEAST (5,10,0) |
587 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
665 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
588 | * is much faster, so no quarrels here. alternatively, we could |
666 | * much faster, so no quarrels here. alternatively, we could |
589 | * sv_upgrade to avoid this. |
667 | * sv_upgrade to avoid this. |
590 | */ |
668 | */ |
591 | { |
669 | { |
592 | /* swap sv_u */ |
670 | /* swap sv_u */ |
593 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
671 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
… | |
… | |
606 | } |
684 | } |
607 | #endif |
685 | #endif |
608 | } |
686 | } |
609 | } |
687 | } |
610 | |
688 | |
611 | #define SWAP_SVS(coro) \ |
689 | #define SWAP_SVS(coro) \ |
612 | if (expect_false ((coro)->swap_sv)) \ |
690 | if (ecb_expect_false ((coro)->swap_sv)) \ |
613 | swap_svs (aTHX_ (coro)) |
691 | swap_svs (aTHX_ (coro)) |
614 | |
692 | |
615 | static void |
693 | static void |
616 | on_enterleave_call (pTHX_ SV *cb); |
694 | on_enterleave_call (pTHX_ SV *cb); |
617 | |
695 | |
… | |
… | |
621 | perl_slots *slot = c->slot; |
699 | perl_slots *slot = c->slot; |
622 | c->slot = 0; |
700 | c->slot = 0; |
623 | |
701 | |
624 | PL_mainstack = c->mainstack; |
702 | PL_mainstack = c->mainstack; |
625 | |
703 | |
626 | GvSV (PL_defgv) = slot->defsv; |
704 | #if CORO_JIT |
627 | GvAV (PL_defgv) = slot->defav; |
705 | load_perl_slots (slot); |
628 | GvSV (PL_errgv) = slot->errsv; |
706 | #else |
629 | GvSV (irsgv) = slot->irsgv; |
|
|
630 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
631 | |
|
|
632 | #define VAR(name,type) PL_ ## name = slot->name; |
707 | #define VARx(name,expr,type) expr = slot->name; |
633 | # include "state.h" |
708 | # include "state.h" |
634 | #undef VAR |
709 | #undef VARx |
|
|
710 | #endif |
635 | |
711 | |
636 | { |
712 | { |
637 | dSP; |
713 | dSP; |
638 | |
714 | |
639 | CV *cv; |
715 | CV *cv; |
640 | |
716 | |
641 | /* now do the ugly restore mess */ |
717 | /* now do the ugly restore mess */ |
642 | while (expect_true (cv = (CV *)POPs)) |
718 | while (ecb_expect_true (cv = (CV *)POPs)) |
643 | { |
719 | { |
644 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
720 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
645 | CvDEPTH (cv) = PTR2IV (POPs); |
721 | CvDEPTH (cv) = PTR2IV (POPs); |
646 | CvPADLIST (cv) = (AV *)POPs; |
722 | CvPADLIST (cv) = (AV *)POPs; |
647 | } |
723 | } |
… | |
… | |
650 | } |
726 | } |
651 | |
727 | |
652 | slf_frame = c->slf_frame; |
728 | slf_frame = c->slf_frame; |
653 | CORO_THROW = c->except; |
729 | CORO_THROW = c->except; |
654 | |
730 | |
655 | if (expect_false (enable_times)) |
731 | if (ecb_expect_false (enable_times)) |
656 | { |
732 | { |
657 | if (expect_false (!times_valid)) |
733 | if (ecb_expect_false (!times_valid)) |
658 | coro_times_update (); |
734 | coro_times_update (); |
659 | |
735 | |
660 | coro_times_sub (c); |
736 | coro_times_sub (c); |
661 | } |
737 | } |
662 | |
738 | |
663 | if (expect_false (c->on_enter)) |
739 | if (ecb_expect_false (c->on_enter)) |
664 | { |
740 | { |
665 | int i; |
741 | int i; |
666 | |
742 | |
667 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
743 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
668 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
744 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
… | |
… | |
674 | static void |
750 | static void |
675 | save_perl (pTHX_ Coro__State c) |
751 | save_perl (pTHX_ Coro__State c) |
676 | { |
752 | { |
677 | SWAP_SVS (c); |
753 | SWAP_SVS (c); |
678 | |
754 | |
679 | if (expect_false (c->on_leave)) |
755 | if (ecb_expect_false (c->on_leave)) |
680 | { |
756 | { |
681 | int i; |
757 | int i; |
682 | |
758 | |
683 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
759 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
684 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
760 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
685 | } |
761 | } |
686 | |
762 | |
687 | times_valid = 0; |
763 | times_valid = 0; |
688 | |
764 | |
689 | if (expect_false (enable_times)) |
765 | if (ecb_expect_false (enable_times)) |
690 | { |
766 | { |
691 | coro_times_update (); times_valid = 1; |
767 | coro_times_update (); times_valid = 1; |
692 | coro_times_add (c); |
768 | coro_times_add (c); |
693 | } |
769 | } |
694 | |
770 | |
… | |
… | |
708 | |
784 | |
709 | XPUSHs (Nullsv); |
785 | XPUSHs (Nullsv); |
710 | /* this loop was inspired by pp_caller */ |
786 | /* this loop was inspired by pp_caller */ |
711 | for (;;) |
787 | for (;;) |
712 | { |
788 | { |
713 | while (expect_true (cxix >= 0)) |
789 | while (ecb_expect_true (cxix >= 0)) |
714 | { |
790 | { |
715 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
791 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
716 | |
792 | |
717 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
793 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
718 | { |
794 | { |
719 | CV *cv = cx->blk_sub.cv; |
795 | CV *cv = cx->blk_sub.cv; |
720 | |
796 | |
721 | if (expect_true (CvDEPTH (cv))) |
797 | if (ecb_expect_true (CvDEPTH (cv))) |
722 | { |
798 | { |
723 | EXTEND (SP, 3); |
799 | EXTEND (SP, 3); |
724 | PUSHs ((SV *)CvPADLIST (cv)); |
800 | PUSHs ((SV *)CvPADLIST (cv)); |
725 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
801 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
726 | PUSHs ((SV *)cv); |
802 | PUSHs ((SV *)cv); |
… | |
… | |
729 | get_padlist (aTHX_ cv); |
805 | get_padlist (aTHX_ cv); |
730 | } |
806 | } |
731 | } |
807 | } |
732 | } |
808 | } |
733 | |
809 | |
734 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
810 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
735 | break; |
811 | break; |
736 | |
812 | |
737 | top_si = top_si->si_prev; |
813 | top_si = top_si->si_prev; |
738 | ccstk = top_si->si_cxstack; |
814 | ccstk = top_si->si_cxstack; |
739 | cxix = top_si->si_cxix; |
815 | cxix = top_si->si_cxix; |
… | |
… | |
741 | |
817 | |
742 | PUTBACK; |
818 | PUTBACK; |
743 | } |
819 | } |
744 | |
820 | |
745 | /* allocate some space on the context stack for our purposes */ |
821 | /* allocate some space on the context stack for our purposes */ |
746 | /* we manually unroll here, as usually 2 slots is enough */ |
822 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
747 | if (SLOT_COUNT >= 1) CXINC; |
|
|
748 | if (SLOT_COUNT >= 2) CXINC; |
|
|
749 | if (SLOT_COUNT >= 3) CXINC; |
|
|
750 | { |
823 | { |
751 | unsigned int i; |
824 | unsigned int i; |
|
|
825 | |
752 | for (i = 3; i < SLOT_COUNT; ++i) |
826 | for (i = 0; i < SLOT_COUNT; ++i) |
753 | CXINC; |
827 | CXINC; |
754 | } |
828 | |
755 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
829 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
830 | } |
756 | |
831 | |
757 | c->mainstack = PL_mainstack; |
832 | c->mainstack = PL_mainstack; |
758 | |
833 | |
759 | { |
834 | { |
760 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
835 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
761 | |
836 | |
762 | slot->defav = GvAV (PL_defgv); |
837 | #if CORO_JIT |
763 | slot->defsv = DEFSV; |
838 | save_perl_slots (slot); |
764 | slot->errsv = ERRSV; |
839 | #else |
765 | slot->irsgv = GvSV (irsgv); |
|
|
766 | slot->hinthv = GvHV (PL_hintgv); |
|
|
767 | |
|
|
768 | #define VAR(name,type) slot->name = PL_ ## name; |
840 | #define VARx(name,expr,type) slot->name = expr; |
769 | # include "state.h" |
841 | # include "state.h" |
770 | #undef VAR |
842 | #undef VARx |
|
|
843 | #endif |
771 | } |
844 | } |
772 | } |
845 | } |
773 | |
846 | |
774 | /* |
847 | /* |
775 | * allocate various perl stacks. This is almost an exact copy |
848 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
781 | # define coro_init_stacks(thx) init_stacks () |
854 | # define coro_init_stacks(thx) init_stacks () |
782 | #else |
855 | #else |
783 | static void |
856 | static void |
784 | coro_init_stacks (pTHX) |
857 | coro_init_stacks (pTHX) |
785 | { |
858 | { |
786 | PL_curstackinfo = new_stackinfo(32, 8); |
859 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
787 | PL_curstackinfo->si_type = PERLSI_MAIN; |
860 | PL_curstackinfo->si_type = PERLSI_MAIN; |
788 | PL_curstack = PL_curstackinfo->si_stack; |
861 | PL_curstack = PL_curstackinfo->si_stack; |
789 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
862 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
790 | |
863 | |
791 | PL_stack_base = AvARRAY(PL_curstack); |
864 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
898 | #endif |
971 | #endif |
899 | |
972 | |
900 | /* |
973 | /* |
901 | * This overrides the default magic get method of %SIG elements. |
974 | * This overrides the default magic get method of %SIG elements. |
902 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
975 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
903 | * and instead of trying to save and restore the hash elements, we just provide |
976 | * and instead of trying to save and restore the hash elements (extremely slow), |
904 | * readback here. |
977 | * we just provide our own readback here. |
905 | */ |
978 | */ |
906 | static int |
979 | static int ecb_cold |
907 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
980 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
908 | { |
981 | { |
909 | const char *s = MgPV_nolen_const (mg); |
982 | const char *s = MgPV_nolen_const (mg); |
910 | |
983 | |
911 | if (*s == '_') |
984 | if (*s == '_') |
… | |
… | |
923 | } |
996 | } |
924 | |
997 | |
925 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
998 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
926 | } |
999 | } |
927 | |
1000 | |
928 | static int |
1001 | static int ecb_cold |
929 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1002 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
930 | { |
1003 | { |
931 | const char *s = MgPV_nolen_const (mg); |
1004 | const char *s = MgPV_nolen_const (mg); |
932 | |
1005 | |
933 | if (*s == '_') |
1006 | if (*s == '_') |
… | |
… | |
947 | } |
1020 | } |
948 | |
1021 | |
949 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1022 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
950 | } |
1023 | } |
951 | |
1024 | |
952 | static int |
1025 | static int ecb_cold |
953 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1026 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
954 | { |
1027 | { |
955 | const char *s = MgPV_nolen_const (mg); |
1028 | const char *s = MgPV_nolen_const (mg); |
956 | |
1029 | |
957 | if (*s == '_') |
1030 | if (*s == '_') |
… | |
… | |
992 | return 1; |
1065 | return 1; |
993 | } |
1066 | } |
994 | |
1067 | |
995 | static UNOP init_perl_op; |
1068 | static UNOP init_perl_op; |
996 | |
1069 | |
997 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1070 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
998 | init_perl (pTHX_ struct coro *coro) |
1071 | init_perl (pTHX_ struct coro *coro) |
999 | { |
1072 | { |
1000 | /* |
1073 | /* |
1001 | * emulate part of the perl startup here. |
1074 | * emulate part of the perl startup here. |
1002 | */ |
1075 | */ |
… | |
… | |
1010 | PL_comppad_name_fill = 0; |
1083 | PL_comppad_name_fill = 0; |
1011 | PL_comppad_name_floor = 0; |
1084 | PL_comppad_name_floor = 0; |
1012 | PL_curpm = 0; |
1085 | PL_curpm = 0; |
1013 | PL_curpad = 0; |
1086 | PL_curpad = 0; |
1014 | PL_localizing = 0; |
1087 | PL_localizing = 0; |
1015 | PL_dirty = 0; |
|
|
1016 | PL_restartop = 0; |
1088 | PL_restartop = 0; |
1017 | #if PERL_VERSION_ATLEAST (5,10,0) |
1089 | #if PERL_VERSION_ATLEAST (5,10,0) |
1018 | PL_parser = 0; |
1090 | PL_parser = 0; |
1019 | #endif |
1091 | #endif |
1020 | PL_hints = 0; |
1092 | PL_hints = 0; |
1021 | |
1093 | |
1022 | /* recreate the die/warn hooks */ |
1094 | /* recreate the die/warn hooks */ |
1023 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1095 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1024 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1096 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1025 | |
1097 | |
1026 | GvSV (PL_defgv) = newSV (0); |
1098 | GvSV (PL_defgv) = newSV (0); |
1027 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1099 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1028 | GvSV (PL_errgv) = newSV (0); |
1100 | GvSV (PL_errgv) = newSV (0); |
1029 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1101 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
… | |
… | |
1050 | /* this newly created coroutine might be run on an existing cctx which most |
1122 | /* this newly created coroutine might be run on an existing cctx which most |
1051 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1123 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1052 | */ |
1124 | */ |
1053 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1125 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1054 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1126 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1127 | slf_frame.destroy = 0; |
1055 | |
1128 | |
1056 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1129 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1057 | init_perl_op.op_next = PL_op; |
1130 | init_perl_op.op_next = PL_op; |
1058 | init_perl_op.op_type = OP_ENTERSUB; |
1131 | init_perl_op.op_type = OP_ENTERSUB; |
1059 | init_perl_op.op_ppaddr = pp_slf; |
1132 | init_perl_op.op_ppaddr = pp_slf; |
… | |
… | |
1064 | /* copy throw, in case it was set before init_perl */ |
1137 | /* copy throw, in case it was set before init_perl */ |
1065 | CORO_THROW = coro->except; |
1138 | CORO_THROW = coro->except; |
1066 | |
1139 | |
1067 | SWAP_SVS (coro); |
1140 | SWAP_SVS (coro); |
1068 | |
1141 | |
1069 | if (expect_false (enable_times)) |
1142 | if (ecb_expect_false (enable_times)) |
1070 | { |
1143 | { |
1071 | coro_times_update (); |
1144 | coro_times_update (); |
1072 | coro_times_sub (coro); |
1145 | coro_times_sub (coro); |
1073 | } |
1146 | } |
1074 | } |
1147 | } |
… | |
… | |
1098 | destroy_perl (pTHX_ struct coro *coro) |
1171 | destroy_perl (pTHX_ struct coro *coro) |
1099 | { |
1172 | { |
1100 | SV *svf [9]; |
1173 | SV *svf [9]; |
1101 | |
1174 | |
1102 | { |
1175 | { |
|
|
1176 | SV *old_current = SvRV (coro_current); |
1103 | struct coro *current = SvSTATE_current; |
1177 | struct coro *current = SvSTATE (old_current); |
1104 | |
1178 | |
1105 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1179 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1106 | |
1180 | |
1107 | save_perl (aTHX_ current); |
1181 | save_perl (aTHX_ current); |
|
|
1182 | |
|
|
1183 | /* this will cause transfer_check to croak on block*/ |
|
|
1184 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1185 | |
1108 | load_perl (aTHX_ coro); |
1186 | load_perl (aTHX_ coro); |
1109 | |
1187 | |
1110 | coro_unwind_stacks (aTHX); |
1188 | coro_unwind_stacks (aTHX); |
1111 | coro_destruct_stacks (aTHX); |
|
|
1112 | |
1189 | |
1113 | /* restore swapped sv's */ |
1190 | /* restore swapped sv's */ |
1114 | SWAP_SVS (coro); |
1191 | SWAP_SVS (coro); |
1115 | |
1192 | |
|
|
1193 | coro_destruct_stacks (aTHX); |
|
|
1194 | |
1116 | // now save some sv's to be free'd later |
1195 | /* now save some sv's to be free'd later */ |
1117 | svf [0] = GvSV (PL_defgv); |
1196 | svf [0] = GvSV (PL_defgv); |
1118 | svf [1] = (SV *)GvAV (PL_defgv); |
1197 | svf [1] = (SV *)GvAV (PL_defgv); |
1119 | svf [2] = GvSV (PL_errgv); |
1198 | svf [2] = GvSV (PL_errgv); |
1120 | svf [3] = (SV *)PL_defoutgv; |
1199 | svf [3] = (SV *)PL_defoutgv; |
1121 | svf [4] = PL_rs; |
1200 | svf [4] = PL_rs; |
… | |
… | |
1123 | svf [6] = (SV *)GvHV (PL_hintgv); |
1202 | svf [6] = (SV *)GvHV (PL_hintgv); |
1124 | svf [7] = PL_diehook; |
1203 | svf [7] = PL_diehook; |
1125 | svf [8] = PL_warnhook; |
1204 | svf [8] = PL_warnhook; |
1126 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1205 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1127 | |
1206 | |
|
|
1207 | SvRV_set (coro_current, old_current); |
|
|
1208 | |
1128 | load_perl (aTHX_ current); |
1209 | load_perl (aTHX_ current); |
1129 | } |
1210 | } |
1130 | |
1211 | |
1131 | { |
1212 | { |
1132 | unsigned int i; |
1213 | unsigned int i; |
… | |
… | |
1139 | SvREFCNT_dec (coro->invoke_cb); |
1220 | SvREFCNT_dec (coro->invoke_cb); |
1140 | SvREFCNT_dec (coro->invoke_av); |
1221 | SvREFCNT_dec (coro->invoke_av); |
1141 | } |
1222 | } |
1142 | } |
1223 | } |
1143 | |
1224 | |
1144 | INLINE void |
1225 | ECB_INLINE void |
1145 | free_coro_mortal (pTHX) |
1226 | free_coro_mortal (pTHX) |
1146 | { |
1227 | { |
1147 | if (expect_true (coro_mortal)) |
1228 | if (ecb_expect_true (coro_mortal)) |
1148 | { |
1229 | { |
1149 | SvREFCNT_dec (coro_mortal); |
1230 | SvREFCNT_dec ((SV *)coro_mortal); |
1150 | coro_mortal = 0; |
1231 | coro_mortal = 0; |
1151 | } |
1232 | } |
1152 | } |
1233 | } |
1153 | |
1234 | |
1154 | static int |
1235 | static int |
… | |
… | |
1287 | |
1368 | |
1288 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1369 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1289 | } |
1370 | } |
1290 | |
1371 | |
1291 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1372 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1292 | static void NOINLINE |
1373 | static void ecb_noinline |
1293 | cctx_prepare (pTHX) |
1374 | cctx_prepare (pTHX) |
1294 | { |
1375 | { |
1295 | PL_top_env = &PL_start_env; |
1376 | PL_top_env = &PL_start_env; |
1296 | |
1377 | |
1297 | if (cctx_current->flags & CC_TRACE) |
1378 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1308 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1389 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1309 | slf_frame.check = slf_check_set_stacklevel; |
1390 | slf_frame.check = slf_check_set_stacklevel; |
1310 | } |
1391 | } |
1311 | |
1392 | |
1312 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1393 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1313 | INLINE void |
1394 | ECB_INLINE void |
1314 | transfer_tail (pTHX) |
1395 | transfer_tail (pTHX) |
1315 | { |
1396 | { |
1316 | free_coro_mortal (aTHX); |
1397 | free_coro_mortal (aTHX); |
1317 | } |
1398 | } |
1318 | |
1399 | |
… | |
… | |
1362 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1443 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1363 | } |
1444 | } |
1364 | } |
1445 | } |
1365 | |
1446 | |
1366 | static coro_cctx * |
1447 | static coro_cctx * |
1367 | cctx_new () |
1448 | cctx_new (void) |
1368 | { |
1449 | { |
1369 | coro_cctx *cctx; |
1450 | coro_cctx *cctx; |
1370 | |
1451 | |
1371 | ++cctx_count; |
1452 | ++cctx_count; |
1372 | New (0, cctx, 1, coro_cctx); |
1453 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1378 | return cctx; |
1459 | return cctx; |
1379 | } |
1460 | } |
1380 | |
1461 | |
1381 | /* create a new cctx only suitable as source */ |
1462 | /* create a new cctx only suitable as source */ |
1382 | static coro_cctx * |
1463 | static coro_cctx * |
1383 | cctx_new_empty () |
1464 | cctx_new_empty (void) |
1384 | { |
1465 | { |
1385 | coro_cctx *cctx = cctx_new (); |
1466 | coro_cctx *cctx = cctx_new (); |
1386 | |
1467 | |
1387 | cctx->sptr = 0; |
1468 | cctx->sptr = 0; |
1388 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1469 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
… | |
… | |
1390 | return cctx; |
1471 | return cctx; |
1391 | } |
1472 | } |
1392 | |
1473 | |
1393 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1474 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1394 | static coro_cctx * |
1475 | static coro_cctx * |
1395 | cctx_new_run () |
1476 | cctx_new_run (void) |
1396 | { |
1477 | { |
1397 | coro_cctx *cctx = cctx_new (); |
1478 | coro_cctx *cctx = cctx_new (); |
1398 | void *stack_start; |
1479 | void *stack_start; |
1399 | size_t stack_size; |
1480 | size_t stack_size; |
1400 | |
1481 | |
1401 | #if HAVE_MMAP |
1482 | #if HAVE_MMAP |
1402 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1483 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1403 | /* mmap supposedly does allocate-on-write for us */ |
1484 | /* mmap supposedly does allocate-on-write for us */ |
1404 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1485 | cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, 0, 0); |
1405 | |
1486 | |
1406 | if (cctx->sptr != (void *)-1) |
1487 | if (cctx->sptr != (void *)-1) |
1407 | { |
1488 | { |
1408 | #if CORO_STACKGUARD |
1489 | #if CORO_STACKGUARD |
1409 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1490 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
… | |
… | |
1441 | cctx_destroy (coro_cctx *cctx) |
1522 | cctx_destroy (coro_cctx *cctx) |
1442 | { |
1523 | { |
1443 | if (!cctx) |
1524 | if (!cctx) |
1444 | return; |
1525 | return; |
1445 | |
1526 | |
1446 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1527 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1447 | |
1528 | |
1448 | --cctx_count; |
1529 | --cctx_count; |
1449 | coro_destroy (&cctx->cctx); |
1530 | coro_destroy (&cctx->cctx); |
1450 | |
1531 | |
1451 | /* coro_transfer creates new, empty cctx's */ |
1532 | /* coro_transfer creates new, empty cctx's */ |
… | |
… | |
1470 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1551 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1471 | |
1552 | |
1472 | static coro_cctx * |
1553 | static coro_cctx * |
1473 | cctx_get (pTHX) |
1554 | cctx_get (pTHX) |
1474 | { |
1555 | { |
1475 | while (expect_true (cctx_first)) |
1556 | while (ecb_expect_true (cctx_first)) |
1476 | { |
1557 | { |
1477 | coro_cctx *cctx = cctx_first; |
1558 | coro_cctx *cctx = cctx_first; |
1478 | cctx_first = cctx->next; |
1559 | cctx_first = cctx->next; |
1479 | --cctx_idle; |
1560 | --cctx_idle; |
1480 | |
1561 | |
1481 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1562 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1482 | return cctx; |
1563 | return cctx; |
1483 | |
1564 | |
1484 | cctx_destroy (cctx); |
1565 | cctx_destroy (cctx); |
1485 | } |
1566 | } |
1486 | |
1567 | |
… | |
… | |
1491 | cctx_put (coro_cctx *cctx) |
1572 | cctx_put (coro_cctx *cctx) |
1492 | { |
1573 | { |
1493 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1574 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1494 | |
1575 | |
1495 | /* free another cctx if overlimit */ |
1576 | /* free another cctx if overlimit */ |
1496 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1577 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1497 | { |
1578 | { |
1498 | coro_cctx *first = cctx_first; |
1579 | coro_cctx *first = cctx_first; |
1499 | cctx_first = first->next; |
1580 | cctx_first = first->next; |
1500 | --cctx_idle; |
1581 | --cctx_idle; |
1501 | |
1582 | |
… | |
… | |
1512 | static void |
1593 | static void |
1513 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1594 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1514 | { |
1595 | { |
1515 | /* TODO: throwing up here is considered harmful */ |
1596 | /* TODO: throwing up here is considered harmful */ |
1516 | |
1597 | |
1517 | if (expect_true (prev != next)) |
1598 | if (ecb_expect_true (prev != next)) |
1518 | { |
1599 | { |
1519 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1600 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1520 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1601 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1521 | |
1602 | |
1522 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1603 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1523 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1604 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1524 | |
1605 | |
1525 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1606 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1526 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1607 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1527 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1608 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1528 | #endif |
1609 | #endif |
1529 | } |
1610 | } |
1530 | } |
1611 | } |
1531 | |
1612 | |
1532 | /* always use the TRANSFER macro */ |
1613 | /* always use the TRANSFER macro */ |
1533 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1614 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1534 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1615 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1535 | { |
1616 | { |
1536 | dSTACKLEVEL; |
1617 | dSTACKLEVEL; |
1537 | |
1618 | |
1538 | /* sometimes transfer is only called to set idle_sp */ |
1619 | /* sometimes transfer is only called to set idle_sp */ |
1539 | if (expect_false (!prev)) |
1620 | if (ecb_expect_false (!prev)) |
1540 | { |
1621 | { |
1541 | cctx_current->idle_sp = STACKLEVEL; |
1622 | cctx_current->idle_sp = STACKLEVEL; |
1542 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1623 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1543 | } |
1624 | } |
1544 | else if (expect_true (prev != next)) |
1625 | else if (ecb_expect_true (prev != next)) |
1545 | { |
1626 | { |
1546 | coro_cctx *cctx_prev; |
1627 | coro_cctx *cctx_prev; |
1547 | |
1628 | |
1548 | if (expect_false (prev->flags & CF_NEW)) |
1629 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1549 | { |
1630 | { |
1550 | /* create a new empty/source context */ |
1631 | /* create a new empty/source context */ |
1551 | prev->flags &= ~CF_NEW; |
1632 | prev->flags &= ~CF_NEW; |
1552 | prev->flags |= CF_RUNNING; |
1633 | prev->flags |= CF_RUNNING; |
1553 | } |
1634 | } |
… | |
… | |
1556 | next->flags |= CF_RUNNING; |
1637 | next->flags |= CF_RUNNING; |
1557 | |
1638 | |
1558 | /* first get rid of the old state */ |
1639 | /* first get rid of the old state */ |
1559 | save_perl (aTHX_ prev); |
1640 | save_perl (aTHX_ prev); |
1560 | |
1641 | |
1561 | if (expect_false (next->flags & CF_NEW)) |
1642 | if (ecb_expect_false (next->flags & CF_NEW)) |
1562 | { |
1643 | { |
1563 | /* need to start coroutine */ |
1644 | /* need to start coroutine */ |
1564 | next->flags &= ~CF_NEW; |
1645 | next->flags &= ~CF_NEW; |
1565 | /* setup coroutine call */ |
1646 | /* setup coroutine call */ |
1566 | init_perl (aTHX_ next); |
1647 | init_perl (aTHX_ next); |
1567 | } |
1648 | } |
1568 | else |
1649 | else |
1569 | load_perl (aTHX_ next); |
1650 | load_perl (aTHX_ next); |
1570 | |
1651 | |
1571 | /* possibly untie and reuse the cctx */ |
1652 | /* possibly untie and reuse the cctx */ |
1572 | if (expect_true ( |
1653 | if (ecb_expect_true ( |
1573 | cctx_current->idle_sp == STACKLEVEL |
1654 | cctx_current->idle_sp == STACKLEVEL |
1574 | && !(cctx_current->flags & CC_TRACE) |
1655 | && !(cctx_current->flags & CC_TRACE) |
1575 | && !force_cctx |
1656 | && !force_cctx |
1576 | )) |
1657 | )) |
1577 | { |
1658 | { |
1578 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1659 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1579 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1660 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1580 | |
1661 | |
1581 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1662 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1582 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1663 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1583 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1664 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1584 | if (expect_true (!next->cctx)) |
1665 | if (ecb_expect_true (!next->cctx)) |
1585 | next->cctx = cctx_get (aTHX); |
1666 | next->cctx = cctx_get (aTHX); |
1586 | |
1667 | |
1587 | cctx_put (cctx_current); |
1668 | cctx_put (cctx_current); |
1588 | } |
1669 | } |
1589 | else |
1670 | else |
1590 | prev->cctx = cctx_current; |
1671 | prev->cctx = cctx_current; |
1591 | |
1672 | |
1592 | ++next->usecount; |
1673 | ++next->usecount; |
1593 | |
1674 | |
1594 | cctx_prev = cctx_current; |
1675 | cctx_prev = cctx_current; |
1595 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1676 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1596 | |
1677 | |
1597 | next->cctx = 0; |
1678 | next->cctx = 0; |
1598 | |
1679 | |
1599 | if (expect_false (cctx_prev != cctx_current)) |
1680 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1600 | { |
1681 | { |
1601 | cctx_prev->top_env = PL_top_env; |
1682 | cctx_prev->top_env = PL_top_env; |
1602 | PL_top_env = cctx_current->top_env; |
1683 | PL_top_env = cctx_current->top_env; |
1603 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1684 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1604 | } |
1685 | } |
… | |
… | |
1610 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1691 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1611 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1692 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1612 | |
1693 | |
1613 | /** high level stuff ********************************************************/ |
1694 | /** high level stuff ********************************************************/ |
1614 | |
1695 | |
|
|
1696 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1697 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1615 | static int |
1698 | static void |
|
|
1699 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1700 | |
|
|
1701 | static void |
1616 | coro_state_destroy (pTHX_ struct coro *coro) |
1702 | coro_state_destroy (pTHX_ struct coro *coro) |
1617 | { |
1703 | { |
1618 | if (coro->flags & CF_DESTROYED) |
1704 | if (coro->flags & CF_ZOMBIE) |
1619 | return 0; |
1705 | return; |
1620 | |
1706 | |
1621 | if (coro->on_destroy && !PL_dirty) |
|
|
1622 | coro->on_destroy (aTHX_ coro); |
1707 | slf_destroy (aTHX_ coro); |
1623 | |
1708 | |
1624 | coro->flags |= CF_DESTROYED; |
1709 | coro->flags |= CF_ZOMBIE; |
1625 | |
1710 | |
1626 | if (coro->flags & CF_READY) |
1711 | if (coro->flags & CF_READY) |
1627 | { |
1712 | { |
1628 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1713 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1629 | /* alternative: look through all ready queues and remove the coro */ |
1714 | /* alternative: look through all ready queues and remove the coro */ |
1630 | --coro_nready; |
1715 | --coro_nready; |
1631 | } |
1716 | } |
1632 | else |
1717 | else |
1633 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1718 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1719 | |
|
|
1720 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1721 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1722 | if (coro == coro_first) coro_first = coro->next; |
1634 | |
1723 | |
1635 | if (coro->mainstack |
1724 | if (coro->mainstack |
1636 | && coro->mainstack != main_mainstack |
1725 | && coro->mainstack != main_mainstack |
1637 | && coro->slot |
1726 | && coro->slot |
1638 | && !PL_dirty) |
1727 | && !PL_dirty) |
1639 | destroy_perl (aTHX_ coro); |
1728 | destroy_perl (aTHX_ coro); |
1640 | |
1729 | |
1641 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1642 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1643 | if (coro == coro_first) coro_first = coro->next; |
|
|
1644 | |
|
|
1645 | cctx_destroy (coro->cctx); |
1730 | cctx_destroy (coro->cctx); |
1646 | SvREFCNT_dec (coro->startcv); |
1731 | SvREFCNT_dec (coro->startcv); |
1647 | SvREFCNT_dec (coro->args); |
1732 | SvREFCNT_dec (coro->args); |
1648 | SvREFCNT_dec (coro->swap_sv); |
1733 | SvREFCNT_dec (coro->swap_sv); |
1649 | SvREFCNT_dec (CORO_THROW); |
1734 | SvREFCNT_dec (CORO_THROW); |
1650 | |
1735 | |
1651 | return 1; |
1736 | coro_call_on_destroy (aTHX_ coro); |
|
|
1737 | |
|
|
1738 | /* more destruction mayhem in coro_state_free */ |
1652 | } |
1739 | } |
1653 | |
1740 | |
1654 | static int |
1741 | static int |
1655 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1742 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1656 | { |
1743 | { |
1657 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1744 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1658 | mg->mg_ptr = 0; |
1745 | mg->mg_ptr = 0; |
1659 | |
1746 | |
1660 | coro->hv = 0; |
|
|
1661 | |
|
|
1662 | if (--coro->refcnt < 0) |
|
|
1663 | { |
|
|
1664 | coro_state_destroy (aTHX_ coro); |
1747 | coro_state_destroy (aTHX_ coro); |
|
|
1748 | SvREFCNT_dec (coro->on_destroy); |
|
|
1749 | SvREFCNT_dec (coro->status); |
|
|
1750 | |
1665 | Safefree (coro); |
1751 | Safefree (coro); |
1666 | } |
|
|
1667 | |
1752 | |
1668 | return 0; |
1753 | return 0; |
1669 | } |
1754 | } |
1670 | |
1755 | |
1671 | static int |
1756 | static int ecb_cold |
1672 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1757 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1673 | { |
1758 | { |
1674 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1759 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1675 | |
1760 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1676 | ++coro->refcnt; |
1761 | mg->mg_ptr = 0; |
|
|
1762 | mg->mg_virtual = 0; |
1677 | |
1763 | |
1678 | return 0; |
1764 | return 0; |
1679 | } |
1765 | } |
1680 | |
1766 | |
1681 | static MGVTBL coro_state_vtbl = { |
1767 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1706 | TRANSFER (ta, 1); |
1792 | TRANSFER (ta, 1); |
1707 | } |
1793 | } |
1708 | |
1794 | |
1709 | /** Coro ********************************************************************/ |
1795 | /** Coro ********************************************************************/ |
1710 | |
1796 | |
1711 | INLINE void |
1797 | ECB_INLINE void |
1712 | coro_enq (pTHX_ struct coro *coro) |
1798 | coro_enq (pTHX_ struct coro *coro) |
1713 | { |
1799 | { |
1714 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1800 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1715 | |
1801 | |
1716 | SvREFCNT_inc_NN (coro->hv); |
1802 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1718 | coro->next_ready = 0; |
1804 | coro->next_ready = 0; |
1719 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1805 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1720 | ready [1] = coro; |
1806 | ready [1] = coro; |
1721 | } |
1807 | } |
1722 | |
1808 | |
1723 | INLINE struct coro * |
1809 | ECB_INLINE struct coro * |
1724 | coro_deq (pTHX) |
1810 | coro_deq (pTHX) |
1725 | { |
1811 | { |
1726 | int prio; |
1812 | int prio; |
1727 | |
1813 | |
1728 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1814 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1781 | { |
1867 | { |
1782 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1868 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1783 | } |
1869 | } |
1784 | |
1870 | |
1785 | /* expects to own a reference to next->hv */ |
1871 | /* expects to own a reference to next->hv */ |
1786 | INLINE void |
1872 | ECB_INLINE void |
1787 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1873 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1788 | { |
1874 | { |
1789 | SV *prev_sv = SvRV (coro_current); |
1875 | SV *prev_sv = SvRV (coro_current); |
1790 | |
1876 | |
1791 | ta->prev = SvSTATE_hv (prev_sv); |
1877 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1804 | { |
1890 | { |
1805 | for (;;) |
1891 | for (;;) |
1806 | { |
1892 | { |
1807 | struct coro *next = coro_deq (aTHX); |
1893 | struct coro *next = coro_deq (aTHX); |
1808 | |
1894 | |
1809 | if (expect_true (next)) |
1895 | if (ecb_expect_true (next)) |
1810 | { |
1896 | { |
1811 | /* cannot transfer to destroyed coros, skip and look for next */ |
1897 | /* cannot transfer to destroyed coros, skip and look for next */ |
1812 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1898 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1813 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1899 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1814 | else |
1900 | else |
1815 | { |
1901 | { |
1816 | next->flags &= ~CF_READY; |
1902 | next->flags &= ~CF_READY; |
1817 | --coro_nready; |
1903 | --coro_nready; |
… | |
… | |
1824 | { |
1910 | { |
1825 | /* nothing to schedule: call the idle handler */ |
1911 | /* nothing to schedule: call the idle handler */ |
1826 | if (SvROK (sv_idle) |
1912 | if (SvROK (sv_idle) |
1827 | && SvOBJECT (SvRV (sv_idle))) |
1913 | && SvOBJECT (SvRV (sv_idle))) |
1828 | { |
1914 | { |
|
|
1915 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1916 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1917 | |
1829 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1918 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1830 | api_ready (aTHX_ SvRV (sv_idle)); |
1919 | api_ready (aTHX_ SvRV (sv_idle)); |
1831 | --coro_nready; |
1920 | --coro_nready; |
1832 | } |
1921 | } |
1833 | else |
1922 | else |
… | |
… | |
1847 | } |
1936 | } |
1848 | } |
1937 | } |
1849 | } |
1938 | } |
1850 | } |
1939 | } |
1851 | |
1940 | |
1852 | INLINE void |
1941 | ECB_INLINE void |
1853 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1942 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1854 | { |
1943 | { |
1855 | api_ready (aTHX_ coro_current); |
1944 | api_ready (aTHX_ coro_current); |
1856 | prepare_schedule (aTHX_ ta); |
1945 | prepare_schedule (aTHX_ ta); |
1857 | } |
1946 | } |
1858 | |
1947 | |
1859 | INLINE void |
1948 | ECB_INLINE void |
1860 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1949 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1861 | { |
1950 | { |
1862 | SV *prev = SvRV (coro_current); |
1951 | SV *prev = SvRV (coro_current); |
1863 | |
1952 | |
1864 | if (coro_nready) |
1953 | if (coro_nready) |
… | |
… | |
1894 | { |
1983 | { |
1895 | struct coro_transfer_args ta; |
1984 | struct coro_transfer_args ta; |
1896 | |
1985 | |
1897 | prepare_cede (aTHX_ &ta); |
1986 | prepare_cede (aTHX_ &ta); |
1898 | |
1987 | |
1899 | if (expect_true (ta.prev != ta.next)) |
1988 | if (ecb_expect_true (ta.prev != ta.next)) |
1900 | { |
1989 | { |
1901 | TRANSFER (ta, 1); |
1990 | TRANSFER (ta, 1); |
1902 | return 1; |
1991 | return 1; |
1903 | } |
1992 | } |
1904 | else |
1993 | else |
… | |
… | |
1947 | coro->slot->runops = RUNOPS_DEFAULT; |
2036 | coro->slot->runops = RUNOPS_DEFAULT; |
1948 | } |
2037 | } |
1949 | } |
2038 | } |
1950 | |
2039 | |
1951 | static void |
2040 | static void |
|
|
2041 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2042 | { |
|
|
2043 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2044 | { |
|
|
2045 | dSP; |
|
|
2046 | |
|
|
2047 | if (gimme_v == G_SCALAR) |
|
|
2048 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2049 | else |
|
|
2050 | { |
|
|
2051 | int i; |
|
|
2052 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2053 | |
|
|
2054 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2055 | PUSHs (AvARRAY (av)[i]); |
|
|
2056 | } |
|
|
2057 | |
|
|
2058 | PUTBACK; |
|
|
2059 | } |
|
|
2060 | } |
|
|
2061 | |
|
|
2062 | static void |
|
|
2063 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2064 | { |
|
|
2065 | if (!coro->on_destroy) |
|
|
2066 | coro->on_destroy = newAV (); |
|
|
2067 | |
|
|
2068 | av_push (coro->on_destroy, cb); |
|
|
2069 | } |
|
|
2070 | |
|
|
2071 | static void |
|
|
2072 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2073 | { |
|
|
2074 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2075 | } |
|
|
2076 | |
|
|
2077 | static int |
|
|
2078 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2079 | { |
|
|
2080 | struct coro *coro = (struct coro *)frame->data; |
|
|
2081 | |
|
|
2082 | if (!coro->status) |
|
|
2083 | return 1; |
|
|
2084 | |
|
|
2085 | frame->destroy = 0; |
|
|
2086 | |
|
|
2087 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2088 | |
|
|
2089 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2090 | |
|
|
2091 | return 0; |
|
|
2092 | } |
|
|
2093 | |
|
|
2094 | static void |
|
|
2095 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2096 | { |
|
|
2097 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2098 | |
|
|
2099 | if (items > 1) |
|
|
2100 | croak ("join called with too many arguments"); |
|
|
2101 | |
|
|
2102 | if (coro->status) |
|
|
2103 | frame->prepare = prepare_nop; |
|
|
2104 | else |
|
|
2105 | { |
|
|
2106 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2107 | frame->prepare = prepare_schedule; |
|
|
2108 | } |
|
|
2109 | |
|
|
2110 | frame->check = slf_check_join; |
|
|
2111 | frame->destroy = slf_destroy_join; |
|
|
2112 | frame->data = (void *)coro; |
|
|
2113 | SvREFCNT_inc (coro->hv); |
|
|
2114 | } |
|
|
2115 | |
|
|
2116 | static void |
1952 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2117 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1953 | { |
2118 | { |
1954 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2119 | AV *od = coro->on_destroy; |
1955 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1956 | |
2120 | |
1957 | if (on_destroyp) |
2121 | if (!od) |
1958 | { |
2122 | return; |
1959 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1960 | |
2123 | |
1961 | while (AvFILLp (on_destroy) >= 0) |
2124 | while (AvFILLp (od) >= 0) |
|
|
2125 | { |
|
|
2126 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2127 | |
|
|
2128 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2129 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2130 | api_ready (aTHX_ cb); |
|
|
2131 | else |
1962 | { |
2132 | { |
1963 | dSP; /* don't disturb outer sp */ |
2133 | dSP; /* don't disturb outer sp */ |
1964 | SV *cb = av_pop (on_destroy); |
|
|
1965 | |
|
|
1966 | PUSHMARK (SP); |
2134 | PUSHMARK (SP); |
1967 | |
2135 | |
1968 | if (statusp) |
2136 | if (coro->status) |
1969 | { |
2137 | { |
1970 | int i; |
2138 | PUTBACK; |
1971 | AV *status = (AV *)SvRV (*statusp); |
2139 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1972 | EXTEND (SP, AvFILLp (status) + 1); |
2140 | SPAGAIN; |
1973 | |
|
|
1974 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1975 | PUSHs (AvARRAY (status)[i]); |
|
|
1976 | } |
2141 | } |
1977 | |
2142 | |
1978 | PUTBACK; |
2143 | PUTBACK; |
1979 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2144 | call_sv (cb, G_VOID | G_DISCARD); |
1980 | } |
2145 | } |
1981 | } |
2146 | } |
1982 | } |
2147 | } |
1983 | |
2148 | |
1984 | static void |
2149 | static void |
1985 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2150 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1986 | { |
2151 | { |
1987 | int i; |
2152 | AV *av; |
1988 | HV *hv = (HV *)SvRV (coro_current); |
2153 | |
1989 | AV *av = newAV (); |
2154 | if (coro->status) |
|
|
2155 | { |
|
|
2156 | av = coro->status; |
|
|
2157 | av_clear (av); |
|
|
2158 | } |
|
|
2159 | else |
|
|
2160 | av = coro->status = newAV (); |
1990 | |
2161 | |
1991 | /* items are actually not so common, so optimise for this case */ |
2162 | /* items are actually not so common, so optimise for this case */ |
1992 | if (items) |
2163 | if (items) |
1993 | { |
2164 | { |
|
|
2165 | int i; |
|
|
2166 | |
1994 | av_extend (av, items - 1); |
2167 | av_extend (av, items - 1); |
1995 | |
2168 | |
1996 | for (i = 0; i < items; ++i) |
2169 | for (i = 0; i < items; ++i) |
1997 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2170 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
1998 | } |
2171 | } |
|
|
2172 | } |
1999 | |
2173 | |
2000 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2174 | static void |
2001 | |
2175 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2176 | { |
2002 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2177 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
2003 | api_ready (aTHX_ sv_manager); |
2178 | api_ready (aTHX_ sv_manager); |
2004 | |
2179 | |
2005 | frame->prepare = prepare_schedule; |
2180 | frame->prepare = prepare_schedule; |
2006 | frame->check = slf_check_repeat; |
2181 | frame->check = slf_check_repeat; |
2007 | |
2182 | |
2008 | /* as a minor optimisation, we could unwind all stacks here */ |
2183 | /* as a minor optimisation, we could unwind all stacks here */ |
2009 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2184 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2010 | /*coro_unwind_stacks (aTHX);*/ |
2185 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2186 | } |
|
|
2187 | |
|
|
2188 | static void |
|
|
2189 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2190 | { |
|
|
2191 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2192 | |
|
|
2193 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2194 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2195 | } |
|
|
2196 | |
|
|
2197 | static void |
|
|
2198 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2199 | { |
|
|
2200 | HV *coro_hv; |
|
|
2201 | struct coro *coro; |
|
|
2202 | |
|
|
2203 | if (items <= 0) |
|
|
2204 | croak ("Coro::cancel called without coro object,"); |
|
|
2205 | |
|
|
2206 | coro = SvSTATE (arg [0]); |
|
|
2207 | coro_hv = coro->hv; |
|
|
2208 | |
|
|
2209 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2210 | |
|
|
2211 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2212 | { |
|
|
2213 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2214 | coro->slf_frame.data = (void *)coro; |
|
|
2215 | |
|
|
2216 | frame->prepare = prepare_nop; |
|
|
2217 | frame->check = slf_check_nop; |
|
|
2218 | } |
|
|
2219 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2220 | { |
|
|
2221 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2222 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2223 | } |
|
|
2224 | else |
|
|
2225 | { |
|
|
2226 | struct coro *self = SvSTATE_current; |
|
|
2227 | |
|
|
2228 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2229 | * unfortunately, this requires some magic trickery, as |
|
|
2230 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2231 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2232 | * besides, I can't get the slow-but-safe version working... |
|
|
2233 | */ |
|
|
2234 | slf_frame.data = 0; |
|
|
2235 | self->flags |= CF_NOCANCEL; |
|
|
2236 | coro_state_destroy (aTHX_ coro); |
|
|
2237 | self->flags &= ~CF_NOCANCEL; |
|
|
2238 | |
|
|
2239 | if (slf_frame.data) |
|
|
2240 | { |
|
|
2241 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2242 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2243 | } |
|
|
2244 | else |
|
|
2245 | { |
|
|
2246 | frame->prepare = prepare_nop; |
|
|
2247 | frame->check = slf_check_nop; |
|
|
2248 | } |
|
|
2249 | } |
|
|
2250 | } |
|
|
2251 | |
|
|
2252 | static int |
|
|
2253 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2254 | { |
|
|
2255 | frame->prepare = 0; |
|
|
2256 | coro_unwind_stacks (aTHX); |
|
|
2257 | |
|
|
2258 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2259 | |
|
|
2260 | return 1; |
|
|
2261 | } |
|
|
2262 | |
|
|
2263 | static int |
|
|
2264 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2265 | { |
|
|
2266 | if (coro->cctx) |
|
|
2267 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2268 | |
|
|
2269 | if (coro->flags & CF_NEW) |
|
|
2270 | { |
|
|
2271 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2272 | coro_state_destroy (aTHX_ coro); |
|
|
2273 | } |
|
|
2274 | else |
|
|
2275 | { |
|
|
2276 | if (!coro->slf_frame.prepare) |
|
|
2277 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2278 | |
|
|
2279 | slf_destroy (aTHX_ coro); |
|
|
2280 | |
|
|
2281 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2282 | coro->slf_frame.prepare = prepare_nop; |
|
|
2283 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2284 | |
|
|
2285 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2286 | } |
|
|
2287 | |
|
|
2288 | return 1; |
2011 | } |
2289 | } |
2012 | |
2290 | |
2013 | /*****************************************************************************/ |
2291 | /*****************************************************************************/ |
2014 | /* async pool handler */ |
2292 | /* async pool handler */ |
2015 | |
2293 | |
… | |
… | |
2046 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2324 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2047 | { |
2325 | { |
2048 | HV *hv = (HV *)SvRV (coro_current); |
2326 | HV *hv = (HV *)SvRV (coro_current); |
2049 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2327 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2050 | |
2328 | |
2051 | if (expect_true (coro->saved_deffh)) |
2329 | if (ecb_expect_true (coro->saved_deffh)) |
2052 | { |
2330 | { |
2053 | /* subsequent iteration */ |
2331 | /* subsequent iteration */ |
2054 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2332 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2055 | coro->saved_deffh = 0; |
2333 | coro->saved_deffh = 0; |
2056 | |
2334 | |
2057 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2335 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2058 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2336 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2059 | { |
2337 | { |
2060 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2338 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
2061 | coro->invoke_av = newAV (); |
2339 | return; |
2062 | |
|
|
2063 | frame->prepare = prepare_nop; |
|
|
2064 | } |
2340 | } |
2065 | else |
2341 | else |
2066 | { |
2342 | { |
2067 | av_clear (GvAV (PL_defgv)); |
2343 | av_clear (GvAV (PL_defgv)); |
2068 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2344 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
2291 | static void |
2567 | static void |
2292 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2568 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2293 | { |
2569 | { |
2294 | frame->prepare = prepare_cede_notself; |
2570 | frame->prepare = prepare_cede_notself; |
2295 | frame->check = slf_check_nop; |
2571 | frame->check = slf_check_nop; |
|
|
2572 | } |
|
|
2573 | |
|
|
2574 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2575 | static void |
|
|
2576 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2577 | { |
|
|
2578 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2579 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2580 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2581 | |
|
|
2582 | /* |
|
|
2583 | * The on_destroy above most likely is from an SLF call. |
|
|
2584 | * Since by definition the SLF call will not finish when we destroy |
|
|
2585 | * the coro, we will have to force-finish it here, otherwise |
|
|
2586 | * cleanup functions cannot call SLF functions. |
|
|
2587 | */ |
|
|
2588 | coro->slf_frame.prepare = 0; |
2296 | } |
2589 | } |
2297 | |
2590 | |
2298 | /* |
2591 | /* |
2299 | * these not obviously related functions are all rolled into one |
2592 | * these not obviously related functions are all rolled into one |
2300 | * function to increase chances that they all will call transfer with the same |
2593 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2307 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2600 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2308 | |
2601 | |
2309 | /* set up the slf frame, unless it has already been set-up */ |
2602 | /* set up the slf frame, unless it has already been set-up */ |
2310 | /* the latter happens when a new coro has been started */ |
2603 | /* the latter happens when a new coro has been started */ |
2311 | /* or when a new cctx was attached to an existing coroutine */ |
2604 | /* or when a new cctx was attached to an existing coroutine */ |
2312 | if (expect_true (!slf_frame.prepare)) |
2605 | if (ecb_expect_true (!slf_frame.prepare)) |
2313 | { |
2606 | { |
2314 | /* first iteration */ |
2607 | /* first iteration */ |
2315 | dSP; |
2608 | dSP; |
2316 | SV **arg = PL_stack_base + TOPMARK + 1; |
2609 | SV **arg = PL_stack_base + TOPMARK + 1; |
2317 | int items = SP - arg; /* args without function object */ |
2610 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2358 | while (slf_frame.check (aTHX_ &slf_frame)); |
2651 | while (slf_frame.check (aTHX_ &slf_frame)); |
2359 | |
2652 | |
2360 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2653 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2361 | |
2654 | |
2362 | /* exception handling */ |
2655 | /* exception handling */ |
2363 | if (expect_false (CORO_THROW)) |
2656 | if (ecb_expect_false (CORO_THROW)) |
2364 | { |
2657 | { |
2365 | SV *exception = sv_2mortal (CORO_THROW); |
2658 | SV *exception = sv_2mortal (CORO_THROW); |
2366 | |
2659 | |
2367 | CORO_THROW = 0; |
2660 | CORO_THROW = 0; |
2368 | sv_setsv (ERRSV, exception); |
2661 | sv_setsv (ERRSV, exception); |
2369 | croak (0); |
2662 | croak (0); |
2370 | } |
2663 | } |
2371 | |
2664 | |
2372 | /* return value handling - mostly like entersub */ |
2665 | /* return value handling - mostly like entersub */ |
2373 | /* make sure we put something on the stack in scalar context */ |
2666 | /* make sure we put something on the stack in scalar context */ |
2374 | if (GIMME_V == G_SCALAR) |
2667 | if (GIMME_V == G_SCALAR |
|
|
2668 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2375 | { |
2669 | { |
2376 | dSP; |
2670 | dSP; |
2377 | SV **bot = PL_stack_base + checkmark; |
2671 | SV **bot = PL_stack_base + checkmark; |
2378 | |
2672 | |
2379 | if (sp == bot) /* too few, push undef */ |
2673 | if (sp == bot) /* too few, push undef */ |
2380 | bot [1] = &PL_sv_undef; |
2674 | bot [1] = &PL_sv_undef; |
2381 | else if (sp != bot + 1) /* too many, take last one */ |
2675 | else /* too many, take last one */ |
2382 | bot [1] = *sp; |
2676 | bot [1] = *sp; |
2383 | |
2677 | |
2384 | SP = bot + 1; |
2678 | SP = bot + 1; |
2385 | |
2679 | |
2386 | PUTBACK; |
2680 | PUTBACK; |
… | |
… | |
2419 | if (PL_op->op_flags & OPf_STACKED) |
2713 | if (PL_op->op_flags & OPf_STACKED) |
2420 | { |
2714 | { |
2421 | if (items > slf_arga) |
2715 | if (items > slf_arga) |
2422 | { |
2716 | { |
2423 | slf_arga = items; |
2717 | slf_arga = items; |
2424 | free (slf_argv); |
2718 | Safefree (slf_argv); |
2425 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2719 | New (0, slf_argv, slf_arga, SV *); |
2426 | } |
2720 | } |
2427 | |
2721 | |
2428 | slf_argc = items; |
2722 | slf_argc = items; |
2429 | |
2723 | |
2430 | for (i = 0; i < items; ++i) |
2724 | for (i = 0; i < items; ++i) |
… | |
… | |
2493 | { |
2787 | { |
2494 | PerlIOBuf base; |
2788 | PerlIOBuf base; |
2495 | NV next, every; |
2789 | NV next, every; |
2496 | } PerlIOCede; |
2790 | } PerlIOCede; |
2497 | |
2791 | |
2498 | static IV |
2792 | static IV ecb_cold |
2499 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2793 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2500 | { |
2794 | { |
2501 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2795 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2502 | |
2796 | |
2503 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2797 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2504 | self->next = nvtime () + self->every; |
2798 | self->next = nvtime () + self->every; |
2505 | |
2799 | |
2506 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2800 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2507 | } |
2801 | } |
2508 | |
2802 | |
2509 | static SV * |
2803 | static SV * ecb_cold |
2510 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2804 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2511 | { |
2805 | { |
2512 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2806 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2513 | |
2807 | |
2514 | return newSVnv (self->every); |
2808 | return newSVnv (self->every); |
… | |
… | |
2626 | SvREFCNT_dec (cb); |
2920 | SvREFCNT_dec (cb); |
2627 | } |
2921 | } |
2628 | } |
2922 | } |
2629 | |
2923 | |
2630 | static void |
2924 | static void |
2631 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2925 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2632 | { |
2926 | { |
2633 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2927 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2634 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2928 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2635 | } |
2929 | } |
2636 | |
2930 | |
2637 | static int |
2931 | static int |
2638 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2932 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2639 | { |
2933 | { |
2640 | AV *av = (AV *)frame->data; |
2934 | AV *av = (AV *)frame->data; |
2641 | SV *count_sv = AvARRAY (av)[0]; |
2935 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2936 | SV *coro_hv = SvRV (coro_current); |
2642 | |
2937 | |
2643 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2938 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2644 | if (CORO_THROW) |
2939 | if (CORO_THROW) |
2645 | return 0; |
2940 | return 0; |
2646 | else if (SvIVX (count_sv) > 0) |
2941 | else if (SvIVX (count_sv) > 0) |
2647 | { |
2942 | { |
2648 | SvSTATE_current->on_destroy = 0; |
2943 | frame->destroy = 0; |
2649 | |
2944 | |
2650 | if (acquire) |
2945 | if (acquire) |
2651 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2946 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2652 | else |
2947 | else |
2653 | coro_semaphore_adjust (aTHX_ av, 0); |
2948 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2658 | { |
2953 | { |
2659 | int i; |
2954 | int i; |
2660 | /* if we were woken up but can't down, we look through the whole */ |
2955 | /* if we were woken up but can't down, we look through the whole */ |
2661 | /* waiters list and only add us if we aren't in there already */ |
2956 | /* waiters list and only add us if we aren't in there already */ |
2662 | /* this avoids some degenerate memory usage cases */ |
2957 | /* this avoids some degenerate memory usage cases */ |
2663 | |
2958 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2664 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2665 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2959 | if (AvARRAY (av)[i] == coro_hv) |
2666 | return 1; |
2960 | return 1; |
2667 | |
2961 | |
2668 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2962 | av_push (av, SvREFCNT_inc (coro_hv)); |
2669 | return 1; |
2963 | return 1; |
2670 | } |
2964 | } |
2671 | } |
2965 | } |
2672 | |
2966 | |
2673 | static int |
2967 | static int |
… | |
… | |
2696 | { |
2990 | { |
2697 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2991 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2698 | |
2992 | |
2699 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2993 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2700 | frame->prepare = prepare_schedule; |
2994 | frame->prepare = prepare_schedule; |
2701 | |
|
|
2702 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2995 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2703 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2996 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2704 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2997 | frame->destroy = coro_semaphore_destroy; |
2705 | } |
2998 | } |
2706 | } |
2999 | } |
2707 | |
3000 | |
2708 | static void |
3001 | static void |
2709 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3002 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2791 | { |
3084 | { |
2792 | SV *cb_cv = s_get_cv_croak (arg [1]); |
3085 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2793 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
3086 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2794 | |
3087 | |
2795 | if (SvIVX (AvARRAY (av)[0])) |
3088 | if (SvIVX (AvARRAY (av)[0])) |
2796 | coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ |
3089 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
2797 | |
3090 | |
2798 | frame->prepare = prepare_nop; |
3091 | frame->prepare = prepare_nop; |
2799 | frame->check = slf_check_nop; |
3092 | frame->check = slf_check_nop; |
2800 | } |
3093 | } |
2801 | else if (SvIVX (AvARRAY (av)[0])) |
3094 | else if (SvIVX (AvARRAY (av)[0])) |
… | |
… | |
2927 | dSP; |
3220 | dSP; |
2928 | |
3221 | |
2929 | static SV *prio_cv; |
3222 | static SV *prio_cv; |
2930 | static SV *prio_sv; |
3223 | static SV *prio_sv; |
2931 | |
3224 | |
2932 | if (expect_false (!prio_cv)) |
3225 | if (ecb_expect_false (!prio_cv)) |
2933 | { |
3226 | { |
2934 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3227 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2935 | prio_sv = newSViv (0); |
3228 | prio_sv = newSViv (0); |
2936 | } |
3229 | } |
2937 | |
3230 | |
… | |
… | |
2963 | /* now call the AIO function - we assume our request is uncancelable */ |
3256 | /* now call the AIO function - we assume our request is uncancelable */ |
2964 | PUTBACK; |
3257 | PUTBACK; |
2965 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3258 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2966 | } |
3259 | } |
2967 | |
3260 | |
2968 | /* now that the requets is going, we loop toll we have a result */ |
3261 | /* now that the request is going, we loop till we have a result */ |
2969 | frame->data = (void *)state; |
3262 | frame->data = (void *)state; |
2970 | frame->prepare = prepare_schedule; |
3263 | frame->prepare = prepare_schedule; |
2971 | frame->check = slf_check_aio_req; |
3264 | frame->check = slf_check_aio_req; |
2972 | } |
3265 | } |
2973 | |
3266 | |
… | |
… | |
3043 | } |
3336 | } |
3044 | |
3337 | |
3045 | return coro_sv; |
3338 | return coro_sv; |
3046 | } |
3339 | } |
3047 | |
3340 | |
|
|
3341 | #ifndef __cplusplus |
|
|
3342 | ecb_cold XS(boot_Coro__State); |
|
|
3343 | #endif |
|
|
3344 | |
|
|
3345 | #if CORO_JIT |
|
|
3346 | |
|
|
3347 | static void ecb_noinline ecb_cold |
|
|
3348 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3349 | { |
|
|
3350 | dSP; |
|
|
3351 | AV *av = newAV (); |
|
|
3352 | |
|
|
3353 | av_store (av, 3, newSVuv (d)); |
|
|
3354 | av_store (av, 2, newSVuv (c)); |
|
|
3355 | av_store (av, 1, newSVuv (b)); |
|
|
3356 | av_store (av, 0, newSVuv (a)); |
|
|
3357 | |
|
|
3358 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3359 | |
|
|
3360 | PUTBACK; |
|
|
3361 | } |
|
|
3362 | |
|
|
3363 | static void ecb_noinline ecb_cold |
|
|
3364 | jit_init (pTHX) |
|
|
3365 | { |
|
|
3366 | dSP; |
|
|
3367 | SV *load, *save; |
|
|
3368 | char *map_base; |
|
|
3369 | char *load_ptr, *save_ptr; |
|
|
3370 | STRLEN load_len, save_len, map_len; |
|
|
3371 | int count; |
|
|
3372 | |
|
|
3373 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3374 | |
|
|
3375 | PUSHMARK (SP); |
|
|
3376 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3377 | # include "state.h" |
|
|
3378 | #undef VARx |
|
|
3379 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3380 | SPAGAIN; |
|
|
3381 | |
|
|
3382 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3383 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3384 | |
|
|
3385 | map_len = load_len + save_len + 16; |
|
|
3386 | |
|
|
3387 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3388 | |
|
|
3389 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3390 | |
|
|
3391 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3392 | memcpy (map_base, load_ptr, load_len); |
|
|
3393 | |
|
|
3394 | map_base += (load_len + 15) & ~15; |
|
|
3395 | |
|
|
3396 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3397 | memcpy (map_base, save_ptr, save_len); |
|
|
3398 | |
|
|
3399 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3400 | /* hackers might have it a bit more difficult */ |
|
|
3401 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3402 | |
|
|
3403 | PUTBACK; |
|
|
3404 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3405 | } |
|
|
3406 | |
|
|
3407 | #endif |
|
|
3408 | |
3048 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3409 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3049 | |
3410 | |
3050 | PROTOTYPES: DISABLE |
3411 | PROTOTYPES: DISABLE |
3051 | |
3412 | |
3052 | BOOT: |
3413 | BOOT: |
… | |
… | |
3056 | coro_thx = PERL_GET_CONTEXT; |
3417 | coro_thx = PERL_GET_CONTEXT; |
3057 | # endif |
3418 | # endif |
3058 | #endif |
3419 | #endif |
3059 | BOOT_PAGESIZE; |
3420 | BOOT_PAGESIZE; |
3060 | |
3421 | |
|
|
3422 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3423 | /* just create them one at init time is not clear to me, except for */ |
|
|
3424 | /* programs trying to delete them, but... */ |
|
|
3425 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3426 | DEFSV; |
|
|
3427 | ERRSV; |
|
|
3428 | |
3061 | cctx_current = cctx_new_empty (); |
3429 | cctx_current = cctx_new_empty (); |
3062 | |
3430 | |
3063 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3431 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3064 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3432 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3065 | |
3433 | |
… | |
… | |
3104 | coroapi.prepare_nop = prepare_nop; |
3472 | coroapi.prepare_nop = prepare_nop; |
3105 | coroapi.prepare_schedule = prepare_schedule; |
3473 | coroapi.prepare_schedule = prepare_schedule; |
3106 | coroapi.prepare_cede = prepare_cede; |
3474 | coroapi.prepare_cede = prepare_cede; |
3107 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3475 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3108 | |
3476 | |
3109 | { |
3477 | time_init (aTHX); |
3110 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
3111 | |
|
|
3112 | if (!svp) croak ("Time::HiRes is required"); |
|
|
3113 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
3114 | |
|
|
3115 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3116 | |
|
|
3117 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
3118 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
3119 | } |
|
|
3120 | |
3478 | |
3121 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3479 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3480 | #if CORO_JIT |
|
|
3481 | PUTBACK; |
|
|
3482 | jit_init (aTHX); |
|
|
3483 | SPAGAIN; |
|
|
3484 | #endif |
3122 | } |
3485 | } |
3123 | |
3486 | |
3124 | SV * |
3487 | SV * |
3125 | new (SV *klass, ...) |
3488 | new (SV *klass, ...) |
3126 | ALIAS: |
3489 | ALIAS: |
… | |
… | |
3133 | void |
3496 | void |
3134 | transfer (...) |
3497 | transfer (...) |
3135 | PROTOTYPE: $$ |
3498 | PROTOTYPE: $$ |
3136 | CODE: |
3499 | CODE: |
3137 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3500 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3138 | |
|
|
3139 | bool |
|
|
3140 | _destroy (SV *coro_sv) |
|
|
3141 | CODE: |
|
|
3142 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
3143 | OUTPUT: |
|
|
3144 | RETVAL |
|
|
3145 | |
3501 | |
3146 | void |
3502 | void |
3147 | _exit (int code) |
3503 | _exit (int code) |
3148 | PROTOTYPE: $ |
3504 | PROTOTYPE: $ |
3149 | CODE: |
3505 | CODE: |
… | |
… | |
3225 | CODE: |
3581 | CODE: |
3226 | { |
3582 | { |
3227 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3583 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3228 | { |
3584 | { |
3229 | struct coro *current = SvSTATE_current; |
3585 | struct coro *current = SvSTATE_current; |
|
|
3586 | struct CoroSLF slf_save; |
3230 | |
3587 | |
3231 | if (current != coro) |
3588 | if (current != coro) |
3232 | { |
3589 | { |
3233 | PUTBACK; |
3590 | PUTBACK; |
3234 | save_perl (aTHX_ current); |
3591 | save_perl (aTHX_ current); |
3235 | load_perl (aTHX_ coro); |
3592 | load_perl (aTHX_ coro); |
|
|
3593 | /* the coro is most likely in an active SLF call. |
|
|
3594 | * while not strictly required (the code we execute is |
|
|
3595 | * not allowed to call any SLF functions), it's cleaner |
|
|
3596 | * to reinitialise the slf_frame and restore it later. |
|
|
3597 | * This might one day allow us to actually do SLF calls |
|
|
3598 | * from code executed here. |
|
|
3599 | */ |
|
|
3600 | slf_save = slf_frame; |
|
|
3601 | slf_frame.prepare = 0; |
3236 | SPAGAIN; |
3602 | SPAGAIN; |
3237 | } |
3603 | } |
3238 | |
3604 | |
3239 | PUSHSTACK; |
3605 | PUSHSTACK; |
3240 | |
3606 | |
… | |
… | |
3250 | SPAGAIN; |
3616 | SPAGAIN; |
3251 | |
3617 | |
3252 | if (current != coro) |
3618 | if (current != coro) |
3253 | { |
3619 | { |
3254 | PUTBACK; |
3620 | PUTBACK; |
|
|
3621 | slf_frame = slf_save; |
3255 | save_perl (aTHX_ coro); |
3622 | save_perl (aTHX_ coro); |
3256 | load_perl (aTHX_ current); |
3623 | load_perl (aTHX_ current); |
3257 | SPAGAIN; |
3624 | SPAGAIN; |
3258 | } |
3625 | } |
3259 | } |
3626 | } |
… | |
… | |
3264 | PROTOTYPE: $ |
3631 | PROTOTYPE: $ |
3265 | ALIAS: |
3632 | ALIAS: |
3266 | is_ready = CF_READY |
3633 | is_ready = CF_READY |
3267 | is_running = CF_RUNNING |
3634 | is_running = CF_RUNNING |
3268 | is_new = CF_NEW |
3635 | is_new = CF_NEW |
3269 | is_destroyed = CF_DESTROYED |
3636 | is_destroyed = CF_ZOMBIE |
|
|
3637 | is_zombie = CF_ZOMBIE |
3270 | is_suspended = CF_SUSPENDED |
3638 | is_suspended = CF_SUSPENDED |
3271 | CODE: |
3639 | CODE: |
3272 | RETVAL = boolSV (coro->flags & ix); |
3640 | RETVAL = boolSV (coro->flags & ix); |
3273 | OUTPUT: |
3641 | OUTPUT: |
3274 | RETVAL |
3642 | RETVAL |
3275 | |
3643 | |
3276 | void |
3644 | void |
3277 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3645 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3278 | PROTOTYPE: $;$ |
3646 | PROTOTYPE: $;$ |
3279 | CODE: |
3647 | CODE: |
3280 | { |
3648 | { |
3281 | struct coro *current = SvSTATE_current; |
3649 | struct coro *current = SvSTATE_current; |
3282 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3650 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3283 | SvREFCNT_dec (*throwp); |
3651 | SvREFCNT_dec (*exceptionp); |
3284 | SvGETMAGIC (throw); |
3652 | SvGETMAGIC (exception); |
3285 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3653 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3286 | } |
3654 | } |
3287 | |
3655 | |
3288 | void |
3656 | void |
3289 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3657 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3290 | PROTOTYPE: $;$ |
3658 | PROTOTYPE: $;$ |
… | |
… | |
3345 | |
3713 | |
3346 | void |
3714 | void |
3347 | cancel (Coro::State self) |
3715 | cancel (Coro::State self) |
3348 | CODE: |
3716 | CODE: |
3349 | coro_state_destroy (aTHX_ self); |
3717 | coro_state_destroy (aTHX_ self); |
3350 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3351 | |
|
|
3352 | |
3718 | |
3353 | SV * |
3719 | SV * |
3354 | enable_times (int enabled = enable_times) |
3720 | enable_times (int enabled = enable_times) |
3355 | CODE: |
3721 | CODE: |
3356 | { |
3722 | { |
… | |
… | |
3371 | times (Coro::State self) |
3737 | times (Coro::State self) |
3372 | PPCODE: |
3738 | PPCODE: |
3373 | { |
3739 | { |
3374 | struct coro *current = SvSTATE (coro_current); |
3740 | struct coro *current = SvSTATE (coro_current); |
3375 | |
3741 | |
3376 | if (expect_false (current == self)) |
3742 | if (ecb_expect_false (current == self)) |
3377 | { |
3743 | { |
3378 | coro_times_update (); |
3744 | coro_times_update (); |
3379 | coro_times_add (SvSTATE (coro_current)); |
3745 | coro_times_add (SvSTATE (coro_current)); |
3380 | } |
3746 | } |
3381 | |
3747 | |
3382 | EXTEND (SP, 2); |
3748 | EXTEND (SP, 2); |
3383 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3749 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3384 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3750 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3385 | |
3751 | |
3386 | if (expect_false (current == self)) |
3752 | if (ecb_expect_false (current == self)) |
3387 | coro_times_sub (SvSTATE (coro_current)); |
3753 | coro_times_sub (SvSTATE (coro_current)); |
3388 | } |
3754 | } |
3389 | |
3755 | |
3390 | void |
3756 | void |
3391 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3757 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
… | |
… | |
3412 | BOOT: |
3778 | BOOT: |
3413 | { |
3779 | { |
3414 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3780 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3415 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3781 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3416 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3782 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3417 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3418 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3783 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3419 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3784 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3420 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3785 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3421 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3786 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3422 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3787 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
… | |
… | |
3461 | api_ready (aTHX_ RETVAL); |
3826 | api_ready (aTHX_ RETVAL); |
3462 | OUTPUT: |
3827 | OUTPUT: |
3463 | RETVAL |
3828 | RETVAL |
3464 | |
3829 | |
3465 | void |
3830 | void |
|
|
3831 | _destroy (Coro::State coro) |
|
|
3832 | CODE: |
|
|
3833 | /* used by the manager thread */ |
|
|
3834 | coro_state_destroy (aTHX_ coro); |
|
|
3835 | |
|
|
3836 | void |
|
|
3837 | on_destroy (Coro::State coro, SV *cb) |
|
|
3838 | CODE: |
|
|
3839 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3840 | |
|
|
3841 | void |
|
|
3842 | join (...) |
|
|
3843 | CODE: |
|
|
3844 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
3845 | |
|
|
3846 | void |
3466 | terminate (...) |
3847 | terminate (...) |
3467 | CODE: |
3848 | CODE: |
3468 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3849 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3850 | |
|
|
3851 | void |
|
|
3852 | cancel (...) |
|
|
3853 | CODE: |
|
|
3854 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3855 | |
|
|
3856 | int |
|
|
3857 | safe_cancel (Coro::State self, ...) |
|
|
3858 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
3469 | |
3859 | |
3470 | void |
3860 | void |
3471 | schedule (...) |
3861 | schedule (...) |
3472 | CODE: |
3862 | CODE: |
3473 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3863 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
… | |
… | |
3749 | } |
4139 | } |
3750 | |
4140 | |
3751 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4141 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3752 | |
4142 | |
3753 | void |
4143 | void |
3754 | _may_delete (SV *sem, int count, int extra_refs) |
4144 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3755 | PPCODE: |
4145 | PPCODE: |
3756 | { |
4146 | { |
3757 | AV *av = (AV *)SvRV (sem); |
4147 | AV *av = (AV *)SvRV (sem); |
3758 | |
4148 | |
3759 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4149 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
… | |
… | |
3870 | { |
4260 | { |
3871 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4261 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
3872 | coro_old_pp_sselect = 0; |
4262 | coro_old_pp_sselect = 0; |
3873 | } |
4263 | } |
3874 | |
4264 | |
3875 | |
|
|