1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
3 | |
3 | |
4 | #define NDEBUG 1 |
4 | #define NDEBUG 1 /* perl usually disables NDEBUG later */ |
5 | |
5 | |
6 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
7 | |
7 | |
8 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
9 | #define PERL_EXT |
9 | #define PERL_EXT |
… | |
… | |
13 | #include "XSUB.h" |
13 | #include "XSUB.h" |
14 | #include "perliol.h" |
14 | #include "perliol.h" |
15 | |
15 | |
16 | #include "schmorp.h" |
16 | #include "schmorp.h" |
17 | |
17 | |
|
|
18 | #define ECB_NO_THREADS 1 |
|
|
19 | #define ECB_NO_LIBM 1 |
|
|
20 | #include "ecb.h" |
|
|
21 | |
|
|
22 | #include <stddef.h> |
18 | #include <stdio.h> |
23 | #include <stdio.h> |
19 | #include <errno.h> |
24 | #include <errno.h> |
20 | #include <assert.h> |
25 | #include <assert.h> |
21 | |
26 | |
|
|
27 | #ifndef SvREFCNT_dec_NN |
|
|
28 | #define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
|
|
29 | #endif |
|
|
30 | |
|
|
31 | #ifndef SvREFCNT_inc_NN |
|
|
32 | #define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
|
|
33 | #endif |
|
|
34 | |
22 | #ifndef SVs_PADSTALE |
35 | #ifndef SVs_PADSTALE |
23 | # define SVs_PADSTALE 0 |
36 | # define SVs_PADSTALE 0 |
|
|
37 | #endif |
|
|
38 | |
|
|
39 | #ifdef PadARRAY |
|
|
40 | # define NEWPADAPI 1 |
|
|
41 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
|
|
42 | #else |
|
|
43 | typedef AV PADNAMELIST; |
|
|
44 | # if !PERL_VERSION_ATLEAST(5,8,0) |
|
|
45 | typedef AV PADLIST; |
|
|
46 | typedef AV PAD; |
|
|
47 | # endif |
|
|
48 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
|
|
49 | # define PadlistMAX(pl) AvFILLp (pl) |
|
|
50 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
|
|
51 | # define PadARRAY AvARRAY |
|
|
52 | # define PadMAX AvFILLp |
|
|
53 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
|
|
54 | #endif |
|
|
55 | #ifndef PadnamelistREFCNT |
|
|
56 | # define PadnamelistREFCNT(pnl) SvREFCNT (pnl) |
|
|
57 | #endif |
|
|
58 | #ifndef PadnamelistREFCNT_dec |
|
|
59 | # define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl) |
|
|
60 | #endif |
|
|
61 | |
|
|
62 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
|
|
63 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
|
|
64 | #if PERL_VERSION_ATLEAST(5,19,0) |
|
|
65 | # define SVt_BIND SVt_IV |
24 | #endif |
66 | #endif |
25 | |
67 | |
26 | #if defined(_WIN32) |
68 | #if defined(_WIN32) |
27 | # undef HAS_GETTIMEOFDAY |
69 | # undef HAS_GETTIMEOFDAY |
28 | # undef setjmp |
70 | # undef setjmp |
… | |
… | |
31 | # define setjmp _setjmp /* deep magic */ |
73 | # define setjmp _setjmp /* deep magic */ |
32 | #else |
74 | #else |
33 | # include <inttypes.h> /* most portable stdint.h */ |
75 | # include <inttypes.h> /* most portable stdint.h */ |
34 | #endif |
76 | #endif |
35 | |
77 | |
36 | #ifdef HAVE_MMAP |
|
|
37 | # include <unistd.h> |
|
|
38 | # include <sys/mman.h> |
|
|
39 | # ifndef MAP_ANONYMOUS |
|
|
40 | # ifdef MAP_ANON |
|
|
41 | # define MAP_ANONYMOUS MAP_ANON |
|
|
42 | # else |
|
|
43 | # undef HAVE_MMAP |
|
|
44 | # endif |
|
|
45 | # endif |
|
|
46 | # include <limits.h> |
|
|
47 | # ifndef PAGESIZE |
|
|
48 | # define PAGESIZE pagesize |
|
|
49 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
|
|
50 | static long pagesize; |
|
|
51 | # else |
|
|
52 | # define BOOT_PAGESIZE (void)0 |
|
|
53 | # endif |
|
|
54 | #else |
|
|
55 | # define PAGESIZE 0 |
|
|
56 | # define BOOT_PAGESIZE (void)0 |
|
|
57 | #endif |
|
|
58 | |
|
|
59 | #if CORO_USE_VALGRIND |
|
|
60 | # include <valgrind/valgrind.h> |
|
|
61 | #endif |
|
|
62 | |
|
|
63 | /* the maximum number of idle cctx that will be pooled */ |
78 | /* the maximum number of idle cctx that will be pooled */ |
64 | static int cctx_max_idle = 4; |
79 | static int cctx_max_idle = 4; |
65 | |
80 | |
66 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
81 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
67 | # undef CORO_STACKGUARD |
82 | # define HAS_SCOPESTACK_NAME 1 |
68 | #endif |
|
|
69 | |
|
|
70 | #ifndef CORO_STACKGUARD |
|
|
71 | # define CORO_STACKGUARD 0 |
|
|
72 | #endif |
83 | #endif |
73 | |
84 | |
74 | /* prefer perl internal functions over our own? */ |
85 | /* prefer perl internal functions over our own? */ |
75 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
86 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
76 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
87 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
86 | # define STACKLEVEL ((void *)&stacklevel) |
97 | # define STACKLEVEL ((void *)&stacklevel) |
87 | #endif |
98 | #endif |
88 | |
99 | |
89 | #define IN_DESTRUCT PL_dirty |
100 | #define IN_DESTRUCT PL_dirty |
90 | |
101 | |
91 | #if __GNUC__ >= 3 |
|
|
92 | # define attribute(x) __attribute__(x) |
|
|
93 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
|
|
94 | # define INLINE static inline |
|
|
95 | #else |
|
|
96 | # define attribute(x) |
|
|
97 | # define expect(expr,value) (expr) |
|
|
98 | # define INLINE static |
|
|
99 | #endif |
|
|
100 | |
|
|
101 | #define expect_false(expr) expect ((expr) != 0, 0) |
|
|
102 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
103 | |
|
|
104 | #define NOINLINE attribute ((noinline)) |
|
|
105 | |
|
|
106 | #include "CoroAPI.h" |
102 | #include "CoroAPI.h" |
107 | #define GCoroAPI (&coroapi) /* very sneaky */ |
103 | #define GCoroAPI (&coroapi) /* very sneaky */ |
108 | |
104 | |
109 | #ifdef USE_ITHREADS |
105 | #ifdef USE_ITHREADS |
110 | # if CORO_PTHREAD |
106 | # if CORO_PTHREAD |
… | |
… | |
144 | |
140 | |
145 | static GV *irsgv; /* $/ */ |
141 | static GV *irsgv; /* $/ */ |
146 | static GV *stdoutgv; /* *STDOUT */ |
142 | static GV *stdoutgv; /* *STDOUT */ |
147 | static SV *rv_diehook; |
143 | static SV *rv_diehook; |
148 | static SV *rv_warnhook; |
144 | static SV *rv_warnhook; |
149 | static HV *hv_sig; /* %SIG */ |
|
|
150 | |
145 | |
151 | /* async_pool helper stuff */ |
146 | /* async_pool helper stuff */ |
152 | static SV *sv_pool_rss; |
147 | static SV *sv_pool_rss; |
153 | static SV *sv_pool_size; |
148 | static SV *sv_pool_size; |
154 | static SV *sv_async_pool_idle; /* description string */ |
149 | static SV *sv_async_pool_idle; /* description string */ |
… | |
… | |
182 | typedef struct coro_cctx |
177 | typedef struct coro_cctx |
183 | { |
178 | { |
184 | struct coro_cctx *next; |
179 | struct coro_cctx *next; |
185 | |
180 | |
186 | /* the stack */ |
181 | /* the stack */ |
187 | void *sptr; |
182 | struct coro_stack stack; |
188 | size_t ssize; |
|
|
189 | |
183 | |
190 | /* cpu state */ |
184 | /* cpu state */ |
191 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
185 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
|
|
186 | #ifndef NDEBUG |
192 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
187 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
|
|
188 | #endif |
193 | JMPENV *top_env; |
189 | JMPENV *top_env; |
194 | coro_context cctx; |
190 | coro_context cctx; |
195 | |
191 | |
196 | U32 gen; |
192 | U32 gen; |
197 | #if CORO_USE_VALGRIND |
193 | #if CORO_USE_VALGRIND |
… | |
… | |
209 | enum |
205 | enum |
210 | { |
206 | { |
211 | CF_RUNNING = 0x0001, /* coroutine is running */ |
207 | CF_RUNNING = 0x0001, /* coroutine is running */ |
212 | CF_READY = 0x0002, /* coroutine is ready */ |
208 | CF_READY = 0x0002, /* coroutine is ready */ |
213 | CF_NEW = 0x0004, /* has never been switched to */ |
209 | CF_NEW = 0x0004, /* has never been switched to */ |
214 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
210 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
215 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
211 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
216 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
212 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
217 | }; |
213 | }; |
218 | |
214 | |
219 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
215 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
220 | typedef struct |
216 | typedef struct |
221 | { |
217 | { |
222 | SV *defsv; |
|
|
223 | AV *defav; |
|
|
224 | SV *errsv; |
|
|
225 | SV *irsgv; |
|
|
226 | HV *hinthv; |
|
|
227 | #define VAR(name,type) type name; |
218 | #define VARx(name,expr,type) type name; |
228 | # include "state.h" |
219 | #include "state.h" |
229 | #undef VAR |
|
|
230 | } perl_slots; |
220 | } perl_slots; |
231 | |
221 | |
232 | // how many context stack entries do we need for perl_slots |
222 | /* how many context stack entries do we need for perl_slots */ |
233 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
223 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
234 | |
224 | |
235 | /* this is a structure representing a perl-level coroutine */ |
225 | /* this is a structure representing a perl-level coroutine */ |
236 | struct coro |
226 | struct coro |
237 | { |
227 | { |
… | |
… | |
265 | SV *saved_deffh; |
255 | SV *saved_deffh; |
266 | SV *invoke_cb; |
256 | SV *invoke_cb; |
267 | AV *invoke_av; |
257 | AV *invoke_av; |
268 | |
258 | |
269 | /* on_enter/on_leave */ |
259 | /* on_enter/on_leave */ |
270 | AV *on_enter; |
260 | AV *on_enter; AV *on_enter_xs; |
271 | AV *on_leave; |
261 | AV *on_leave; AV *on_leave_xs; |
272 | |
262 | |
273 | /* swap_sv */ |
263 | /* swap_sv */ |
274 | AV *swap_sv; |
264 | AV *swap_sv; |
275 | |
265 | |
276 | /* times */ |
266 | /* times */ |
… | |
… | |
303 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
293 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
304 | static CV *cv_coro_run; |
294 | static CV *cv_coro_run; |
305 | static struct coro *coro_first; |
295 | static struct coro *coro_first; |
306 | #define coro_nready coroapi.nready |
296 | #define coro_nready coroapi.nready |
307 | |
297 | |
|
|
298 | /** JIT *********************************************************************/ |
|
|
299 | |
|
|
300 | #if CORO_JIT |
|
|
301 | /* APPLE doesn't have mmap though */ |
|
|
302 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
|
|
303 | #ifndef CORO_JIT_TYPE |
|
|
304 | #if ECB_AMD64 && CORO_JIT_UNIXY |
|
|
305 | #define CORO_JIT_TYPE "amd64-unix" |
|
|
306 | #elif __i386 && CORO_JIT_UNIXY |
|
|
307 | #define CORO_JIT_TYPE "x86-unix" |
|
|
308 | #endif |
|
|
309 | #endif |
|
|
310 | #endif |
|
|
311 | |
|
|
312 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
|
|
313 | #undef CORO_JIT |
|
|
314 | #endif |
|
|
315 | |
|
|
316 | #if CORO_JIT |
|
|
317 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
|
|
318 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
|
|
319 | #endif |
|
|
320 | |
308 | /** Coro::Select ************************************************************/ |
321 | /** Coro::Select ************************************************************/ |
309 | |
322 | |
310 | static OP *(*coro_old_pp_sselect) (pTHX); |
323 | static OP *(*coro_old_pp_sselect) (pTHX); |
311 | static SV *coro_select_select; |
324 | static SV *coro_select_select; |
312 | |
325 | |
… | |
… | |
327 | |
340 | |
328 | /** time stuff **************************************************************/ |
341 | /** time stuff **************************************************************/ |
329 | |
342 | |
330 | #ifdef HAS_GETTIMEOFDAY |
343 | #ifdef HAS_GETTIMEOFDAY |
331 | |
344 | |
332 | static void |
345 | ecb_inline void |
333 | coro_u2time (pTHX_ UV ret[2]) |
346 | coro_u2time (pTHX_ UV ret[2]) |
334 | { |
347 | { |
335 | struct timeval tv; |
348 | struct timeval tv; |
336 | gettimeofday (&tv, 0); |
349 | gettimeofday (&tv, 0); |
337 | |
350 | |
338 | ret [0] = tv.tv_sec; |
351 | ret [0] = tv.tv_sec; |
339 | ret [1] = tv.tv_usec; |
352 | ret [1] = tv.tv_usec; |
340 | } |
353 | } |
341 | |
354 | |
342 | static double |
355 | ecb_inline double |
343 | coro_nvtime () |
356 | coro_nvtime (void) |
344 | { |
357 | { |
345 | struct timeval tv; |
358 | struct timeval tv; |
346 | gettimeofday (&tv, 0); |
359 | gettimeofday (&tv, 0); |
347 | |
360 | |
348 | return tv.tv_sec + tv.tv_usec * 1e-6; |
361 | return tv.tv_sec + tv.tv_usec * 1e-6; |
349 | } |
362 | } |
350 | |
363 | |
351 | static void |
364 | ecb_inline void |
352 | time_init (pTHX) |
365 | time_init (pTHX) |
353 | { |
366 | { |
354 | nvtime = coro_nvtime; |
367 | nvtime = coro_nvtime; |
355 | u2time = coro_u2time; |
368 | u2time = coro_u2time; |
356 | } |
369 | } |
357 | |
370 | |
358 | #else |
371 | #else |
359 | |
372 | |
360 | static void |
373 | ecb_inline void |
361 | time_init (pTHX) |
374 | time_init (pTHX) |
362 | { |
375 | { |
363 | SV **svp; |
376 | SV **svp; |
364 | |
377 | |
365 | require_pv ("Time/HiRes.pm"); |
378 | require_pv ("Time/HiRes.pm"); |
366 | |
379 | |
367 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
380 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
368 | |
381 | |
369 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
382 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
370 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
383 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
371 | |
384 | |
… | |
… | |
377 | |
390 | |
378 | #endif |
391 | #endif |
379 | |
392 | |
380 | /** lowlevel stuff **********************************************************/ |
393 | /** lowlevel stuff **********************************************************/ |
381 | |
394 | |
382 | static SV * |
395 | static SV * ecb_noinline |
383 | coro_get_sv (pTHX_ const char *name, int create) |
396 | coro_get_sv (pTHX_ const char *name, int create) |
384 | { |
397 | { |
385 | #if PERL_VERSION_ATLEAST (5,10,0) |
398 | #if PERL_VERSION_ATLEAST (5,10,0) |
386 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
399 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
387 | get_sv (name, create); |
400 | get_sv (name, create); |
388 | #endif |
401 | #endif |
389 | return get_sv (name, create); |
402 | return get_sv (name, create); |
390 | } |
403 | } |
391 | |
404 | |
392 | static AV * |
405 | static AV * ecb_noinline |
393 | coro_get_av (pTHX_ const char *name, int create) |
406 | coro_get_av (pTHX_ const char *name, int create) |
394 | { |
407 | { |
395 | #if PERL_VERSION_ATLEAST (5,10,0) |
408 | #if PERL_VERSION_ATLEAST (5,10,0) |
396 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
409 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
397 | get_av (name, create); |
410 | get_av (name, create); |
398 | #endif |
411 | #endif |
399 | return get_av (name, create); |
412 | return get_av (name, create); |
400 | } |
413 | } |
401 | |
414 | |
402 | static HV * |
415 | static HV * ecb_noinline |
403 | coro_get_hv (pTHX_ const char *name, int create) |
416 | coro_get_hv (pTHX_ const char *name, int create) |
404 | { |
417 | { |
405 | #if PERL_VERSION_ATLEAST (5,10,0) |
418 | #if PERL_VERSION_ATLEAST (5,10,0) |
406 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
419 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
407 | get_hv (name, create); |
420 | get_hv (name, create); |
408 | #endif |
421 | #endif |
409 | return get_hv (name, create); |
422 | return get_hv (name, create); |
410 | } |
423 | } |
411 | |
424 | |
412 | INLINE void |
425 | ecb_inline void |
413 | coro_times_update () |
426 | coro_times_update (void) |
414 | { |
427 | { |
415 | #ifdef coro_clock_gettime |
428 | #ifdef coro_clock_gettime |
416 | struct timespec ts; |
429 | struct timespec ts; |
417 | |
430 | |
418 | ts.tv_sec = ts.tv_nsec = 0; |
431 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
430 | time_real [0] = tv [0]; |
443 | time_real [0] = tv [0]; |
431 | time_real [1] = tv [1] * 1000; |
444 | time_real [1] = tv [1] * 1000; |
432 | #endif |
445 | #endif |
433 | } |
446 | } |
434 | |
447 | |
435 | INLINE void |
448 | ecb_inline void |
436 | coro_times_add (struct coro *c) |
449 | coro_times_add (struct coro *c) |
437 | { |
450 | { |
438 | c->t_real [1] += time_real [1]; |
451 | c->t_real [1] += time_real [1]; |
439 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
452 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
440 | c->t_real [0] += time_real [0]; |
453 | c->t_real [0] += time_real [0]; |
… | |
… | |
442 | c->t_cpu [1] += time_cpu [1]; |
455 | c->t_cpu [1] += time_cpu [1]; |
443 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
456 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
444 | c->t_cpu [0] += time_cpu [0]; |
457 | c->t_cpu [0] += time_cpu [0]; |
445 | } |
458 | } |
446 | |
459 | |
447 | INLINE void |
460 | ecb_inline void |
448 | coro_times_sub (struct coro *c) |
461 | coro_times_sub (struct coro *c) |
449 | { |
462 | { |
450 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
463 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
451 | c->t_real [1] -= time_real [1]; |
464 | c->t_real [1] -= time_real [1]; |
452 | c->t_real [0] -= time_real [0]; |
465 | c->t_real [0] -= time_real [0]; |
… | |
… | |
460 | /* magic glue */ |
473 | /* magic glue */ |
461 | |
474 | |
462 | #define CORO_MAGIC_type_cv 26 |
475 | #define CORO_MAGIC_type_cv 26 |
463 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
476 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
464 | |
477 | |
465 | #define CORO_MAGIC_NN(sv, type) \ |
478 | #define CORO_MAGIC_NN(sv, type) \ |
466 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
479 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
467 | ? SvMAGIC (sv) \ |
480 | ? SvMAGIC (sv) \ |
468 | : mg_find (sv, type)) |
481 | : mg_find (sv, type)) |
469 | |
482 | |
470 | #define CORO_MAGIC(sv, type) \ |
483 | #define CORO_MAGIC(sv, type) \ |
471 | (expect_true (SvMAGIC (sv)) \ |
484 | (ecb_expect_true (SvMAGIC (sv)) \ |
472 | ? CORO_MAGIC_NN (sv, type) \ |
485 | ? CORO_MAGIC_NN (sv, type) \ |
473 | : 0) |
486 | : 0) |
474 | |
487 | |
475 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
488 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
476 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
489 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
477 | |
490 | |
478 | INLINE MAGIC * |
491 | ecb_inline MAGIC * |
479 | SvSTATEhv_p (pTHX_ SV *coro) |
492 | SvSTATEhv_p (pTHX_ SV *coro) |
480 | { |
493 | { |
481 | MAGIC *mg; |
494 | MAGIC *mg; |
482 | |
495 | |
483 | if (expect_true ( |
496 | if (ecb_expect_true ( |
484 | SvTYPE (coro) == SVt_PVHV |
497 | SvTYPE (coro) == SVt_PVHV |
485 | && (mg = CORO_MAGIC_state (coro)) |
498 | && (mg = CORO_MAGIC_state (coro)) |
486 | && mg->mg_virtual == &coro_state_vtbl |
499 | && mg->mg_virtual == &coro_state_vtbl |
487 | )) |
500 | )) |
488 | return mg; |
501 | return mg; |
489 | |
502 | |
490 | return 0; |
503 | return 0; |
491 | } |
504 | } |
492 | |
505 | |
493 | INLINE struct coro * |
506 | ecb_inline struct coro * |
494 | SvSTATE_ (pTHX_ SV *coro) |
507 | SvSTATE_ (pTHX_ SV *coro_sv) |
495 | { |
508 | { |
496 | MAGIC *mg; |
509 | MAGIC *mg; |
497 | |
510 | |
498 | if (SvROK (coro)) |
511 | if (SvROK (coro_sv)) |
499 | coro = SvRV (coro); |
512 | coro_sv = SvRV (coro_sv); |
500 | |
513 | |
501 | mg = SvSTATEhv_p (coro); |
514 | mg = SvSTATEhv_p (aTHX_ coro_sv); |
502 | if (!mg) |
515 | if (!mg) |
503 | croak ("Coro::State object required"); |
516 | croak ("Coro::State object required"); |
504 | |
517 | |
505 | return (struct coro *)mg->mg_ptr; |
518 | return (struct coro *)mg->mg_ptr; |
506 | } |
519 | } |
… | |
… | |
512 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
525 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
513 | |
526 | |
514 | /*****************************************************************************/ |
527 | /*****************************************************************************/ |
515 | /* padlist management and caching */ |
528 | /* padlist management and caching */ |
516 | |
529 | |
517 | static AV * |
530 | ecb_inline PADLIST * |
518 | coro_derive_padlist (pTHX_ CV *cv) |
531 | coro_derive_padlist (pTHX_ CV *cv) |
519 | { |
532 | { |
520 | AV *padlist = CvPADLIST (cv); |
533 | PADLIST *padlist = CvPADLIST (cv); |
521 | AV *newpadlist, *newpad; |
534 | PADLIST *newpadlist; |
|
|
535 | PADNAMELIST *padnames; |
|
|
536 | PAD *newpad; |
|
|
537 | PADOFFSET off = PadlistMAX (padlist) + 1; |
522 | |
538 | |
523 | newpadlist = newAV (); |
539 | #if NEWPADAPI |
|
|
540 | |
|
|
541 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
542 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
543 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
544 | --off; |
|
|
545 | |
|
|
546 | Perl_pad_push (aTHX_ padlist, off); |
|
|
547 | |
|
|
548 | newpad = PadlistARRAY (padlist)[off]; |
|
|
549 | PadlistARRAY (padlist)[off] = 0; |
|
|
550 | |
|
|
551 | #else |
|
|
552 | |
|
|
553 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
554 | Perl_pad_push (aTHX_ padlist, off); |
|
|
555 | #else |
|
|
556 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
557 | #endif |
|
|
558 | |
|
|
559 | newpad = PadlistARRAY (padlist)[off]; |
|
|
560 | PadlistMAX (padlist) = off - 1; |
|
|
561 | |
|
|
562 | #endif |
|
|
563 | |
|
|
564 | newPADLIST (newpadlist); |
|
|
565 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
566 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
524 | AvREAL_off (newpadlist); |
567 | AvREAL_off (newpadlist); |
525 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
526 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
527 | #else |
|
|
528 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
529 | #endif |
568 | #endif |
530 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
531 | --AvFILLp (padlist); |
|
|
532 | |
569 | |
533 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
570 | /* Already extended to 2 elements by newPADLIST. */ |
534 | av_store (newpadlist, 1, (SV *)newpad); |
571 | PadlistMAX (newpadlist) = 1; |
|
|
572 | |
|
|
573 | padnames = PadlistNAMES (padlist); |
|
|
574 | ++PadnamelistREFCNT (padnames); |
|
|
575 | PadlistNAMES (newpadlist) = padnames; |
|
|
576 | |
|
|
577 | PadlistARRAY (newpadlist)[1] = newpad; |
535 | |
578 | |
536 | return newpadlist; |
579 | return newpadlist; |
537 | } |
580 | } |
538 | |
581 | |
539 | static void |
582 | ecb_inline void |
540 | free_padlist (pTHX_ AV *padlist) |
583 | free_padlist (pTHX_ PADLIST *padlist) |
541 | { |
584 | { |
542 | /* may be during global destruction */ |
585 | /* may be during global destruction */ |
543 | if (!IN_DESTRUCT) |
586 | if (!IN_DESTRUCT) |
544 | { |
587 | { |
545 | I32 i = AvFILLp (padlist); |
588 | I32 i = PadlistMAX (padlist); |
546 | |
589 | |
547 | while (i > 0) /* special-case index 0 */ |
590 | while (i > 0) /* special-case index 0 */ |
548 | { |
591 | { |
549 | /* we try to be extra-careful here */ |
592 | /* we try to be extra-careful here */ |
550 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
593 | PAD *pad = PadlistARRAY (padlist)[i--]; |
551 | I32 j = AvFILLp (av); |
|
|
552 | |
594 | |
|
|
595 | if (pad) |
|
|
596 | { |
|
|
597 | I32 j = PadMAX (pad); |
|
|
598 | |
553 | while (j >= 0) |
599 | while (j >= 0) |
554 | SvREFCNT_dec (AvARRAY (av)[j--]); |
600 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
555 | |
601 | |
556 | AvFILLp (av) = -1; |
602 | PadMAX (pad) = -1; |
557 | SvREFCNT_dec (av); |
603 | SvREFCNT_dec (pad); |
|
|
604 | } |
558 | } |
605 | } |
559 | |
606 | |
560 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
607 | PadnamelistREFCNT_dec (PadlistNAMES (padlist)); |
561 | |
608 | |
|
|
609 | #if NEWPADAPI |
|
|
610 | Safefree (PadlistARRAY (padlist)); |
|
|
611 | Safefree (padlist); |
|
|
612 | #else |
562 | AvFILLp (padlist) = -1; |
613 | AvFILLp (padlist) = -1; |
|
|
614 | AvREAL_off (padlist); |
563 | SvREFCNT_dec ((SV*)padlist); |
615 | SvREFCNT_dec ((SV*)padlist); |
|
|
616 | #endif |
564 | } |
617 | } |
565 | } |
618 | } |
566 | |
619 | |
567 | static int |
620 | static int |
568 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
621 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
569 | { |
622 | { |
570 | AV *padlist; |
623 | PADLIST *padlist; |
571 | AV *av = (AV *)mg->mg_obj; |
624 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
625 | size_t len = *(size_t *)mg->mg_ptr; |
572 | |
626 | |
573 | /* perl manages to free our internal AV and _then_ call us */ |
627 | /* perl manages to free our internal AV and _then_ call us */ |
574 | if (IN_DESTRUCT) |
628 | if (IN_DESTRUCT) |
575 | return 0; |
629 | return 0; |
576 | |
630 | |
577 | /* casting is fun. */ |
631 | while (len--) |
578 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
579 | free_padlist (aTHX_ padlist); |
632 | free_padlist (aTHX_ padlists[len]); |
580 | |
|
|
581 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
582 | |
633 | |
583 | return 0; |
634 | return 0; |
584 | } |
635 | } |
585 | |
636 | |
586 | static MGVTBL coro_cv_vtbl = { |
637 | static MGVTBL coro_cv_vtbl = { |
587 | 0, 0, 0, 0, |
638 | 0, 0, 0, 0, |
588 | coro_cv_free |
639 | coro_cv_free |
589 | }; |
640 | }; |
590 | |
641 | |
591 | /* the next two functions merely cache the padlists */ |
642 | /* the next two functions merely cache the padlists */ |
592 | static void |
643 | ecb_inline void |
593 | get_padlist (pTHX_ CV *cv) |
644 | get_padlist (pTHX_ CV *cv) |
594 | { |
645 | { |
595 | MAGIC *mg = CORO_MAGIC_cv (cv); |
646 | MAGIC *mg = CORO_MAGIC_cv (cv); |
596 | AV *av; |
647 | size_t *lenp; |
597 | |
648 | |
598 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
649 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
599 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
650 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
600 | else |
651 | else |
601 | { |
652 | { |
602 | #if CORO_PREFER_PERL_FUNCTIONS |
653 | #if CORO_PREFER_PERL_FUNCTIONS |
603 | /* this is probably cleaner? but also slower! */ |
654 | /* this is probably cleaner? but also slower! */ |
604 | /* in practise, it seems to be less stable */ |
655 | /* in practise, it seems to be less stable */ |
… | |
… | |
610 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
661 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
611 | #endif |
662 | #endif |
612 | } |
663 | } |
613 | } |
664 | } |
614 | |
665 | |
615 | static void |
666 | ecb_inline void |
616 | put_padlist (pTHX_ CV *cv) |
667 | put_padlist (pTHX_ CV *cv) |
617 | { |
668 | { |
618 | MAGIC *mg = CORO_MAGIC_cv (cv); |
669 | MAGIC *mg = CORO_MAGIC_cv (cv); |
619 | AV *av; |
|
|
620 | |
670 | |
621 | if (expect_false (!mg)) |
671 | if (ecb_expect_false (!mg)) |
|
|
672 | { |
622 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
673 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
674 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
675 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
676 | } |
|
|
677 | else |
|
|
678 | Renew (mg->mg_ptr, |
|
|
679 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
680 | char); |
623 | |
681 | |
624 | av = (AV *)mg->mg_obj; |
682 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
625 | |
|
|
626 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
627 | av_extend (av, AvFILLp (av) + 1); |
|
|
628 | |
|
|
629 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
630 | } |
683 | } |
631 | |
684 | |
632 | /** load & save, init *******************************************************/ |
685 | /** load & save, init *******************************************************/ |
633 | |
686 | |
|
|
687 | ecb_inline void |
|
|
688 | swap_sv (SV *a, SV *b) |
|
|
689 | { |
|
|
690 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
691 | SV tmp; |
|
|
692 | |
|
|
693 | /* swap sv_any */ |
|
|
694 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
695 | |
|
|
696 | /* swap sv_flags */ |
|
|
697 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
698 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
699 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
700 | |
|
|
701 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
702 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
703 | * is much faster, so no quarrels here. alternatively, we could |
|
|
704 | * sv_upgrade to avoid this. |
|
|
705 | */ |
|
|
706 | { |
|
|
707 | /* swap sv_u */ |
|
|
708 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
709 | |
|
|
710 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
711 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
712 | */ |
|
|
713 | U32 svany_in_head_set = (1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV); |
|
|
714 | #if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0) |
|
|
715 | svany_in_head_set |= 1 << SVt_NV; |
|
|
716 | #endif |
|
|
717 | |
|
|
718 | #define svany_in_head(type) (svany_in_head_set & (1 << (type))) |
|
|
719 | |
|
|
720 | if (svany_in_head (SvTYPE (a))) |
|
|
721 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
722 | |
|
|
723 | if (svany_in_head (SvTYPE (b))) |
|
|
724 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
725 | } |
|
|
726 | #endif |
|
|
727 | } |
|
|
728 | |
634 | /* swap sv heads, at least logically */ |
729 | /* swap sv heads, at least logically */ |
635 | static void |
730 | static void |
636 | swap_svs (pTHX_ Coro__State c) |
731 | swap_svs_enter (pTHX_ Coro__State c) |
637 | { |
732 | { |
638 | int i; |
733 | int i; |
639 | |
734 | |
640 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
735 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
641 | { |
736 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
642 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
643 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
644 | |
|
|
645 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
646 | SV tmp; |
|
|
647 | |
|
|
648 | /* swap sv_any */ |
|
|
649 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
650 | |
|
|
651 | /* swap sv_flags */ |
|
|
652 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
653 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
654 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
655 | |
|
|
656 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
657 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
658 | * much faster, so no quarrels here. alternatively, we could |
|
|
659 | * sv_upgrade to avoid this. |
|
|
660 | */ |
|
|
661 | { |
|
|
662 | /* swap sv_u */ |
|
|
663 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
664 | |
|
|
665 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
666 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
667 | */ |
|
|
668 | #define svany_in_head(type) \ |
|
|
669 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
670 | |
|
|
671 | if (svany_in_head (SvTYPE (a))) |
|
|
672 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
673 | |
|
|
674 | if (svany_in_head (SvTYPE (b))) |
|
|
675 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
676 | } |
|
|
677 | #endif |
|
|
678 | } |
|
|
679 | } |
737 | } |
680 | |
738 | |
|
|
739 | static void |
|
|
740 | swap_svs_leave (pTHX_ Coro__State c) |
|
|
741 | { |
|
|
742 | int i; |
|
|
743 | |
|
|
744 | for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2) |
|
|
745 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
746 | } |
|
|
747 | |
681 | #define SWAP_SVS(coro) \ |
748 | #define SWAP_SVS_ENTER(coro) \ |
682 | if (expect_false ((coro)->swap_sv)) \ |
749 | if (ecb_expect_false ((coro)->swap_sv)) \ |
683 | swap_svs (aTHX_ (coro)) |
750 | swap_svs_enter (aTHX_ (coro)) |
|
|
751 | |
|
|
752 | #define SWAP_SVS_LEAVE(coro) \ |
|
|
753 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
754 | swap_svs_leave (aTHX_ (coro)) |
684 | |
755 | |
685 | static void |
756 | static void |
686 | on_enterleave_call (pTHX_ SV *cb); |
757 | on_enterleave_call (pTHX_ SV *cb); |
687 | |
758 | |
688 | static void |
759 | static void |
… | |
… | |
691 | perl_slots *slot = c->slot; |
762 | perl_slots *slot = c->slot; |
692 | c->slot = 0; |
763 | c->slot = 0; |
693 | |
764 | |
694 | PL_mainstack = c->mainstack; |
765 | PL_mainstack = c->mainstack; |
695 | |
766 | |
696 | GvSV (PL_defgv) = slot->defsv; |
767 | #if CORO_JIT |
697 | GvAV (PL_defgv) = slot->defav; |
768 | load_perl_slots (slot); |
698 | GvSV (PL_errgv) = slot->errsv; |
769 | #else |
699 | GvSV (irsgv) = slot->irsgv; |
|
|
700 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
701 | |
|
|
702 | #define VAR(name,type) PL_ ## name = slot->name; |
770 | #define VARx(name,expr,type) expr = slot->name; |
703 | # include "state.h" |
771 | #include "state.h" |
704 | #undef VAR |
772 | #endif |
705 | |
773 | |
706 | { |
774 | { |
707 | dSP; |
775 | dSP; |
708 | |
776 | |
709 | CV *cv; |
777 | CV *cv; |
710 | |
778 | |
711 | /* now do the ugly restore mess */ |
779 | /* now do the ugly restore mess */ |
712 | while (expect_true (cv = (CV *)POPs)) |
780 | while (ecb_expect_true (cv = (CV *)POPs)) |
713 | { |
781 | { |
714 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
782 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
715 | CvDEPTH (cv) = PTR2IV (POPs); |
783 | CvDEPTH (cv) = PTR2IV (POPs); |
716 | CvPADLIST (cv) = (AV *)POPs; |
784 | CvPADLIST (cv) = (PADLIST *)POPs; |
717 | } |
785 | } |
718 | |
786 | |
719 | PUTBACK; |
787 | PUTBACK; |
720 | } |
788 | } |
721 | |
789 | |
722 | slf_frame = c->slf_frame; |
790 | slf_frame = c->slf_frame; |
723 | CORO_THROW = c->except; |
791 | CORO_THROW = c->except; |
724 | |
792 | |
725 | if (expect_false (enable_times)) |
793 | if (ecb_expect_false (enable_times)) |
726 | { |
794 | { |
727 | if (expect_false (!times_valid)) |
795 | if (ecb_expect_false (!times_valid)) |
728 | coro_times_update (); |
796 | coro_times_update (); |
729 | |
797 | |
730 | coro_times_sub (c); |
798 | coro_times_sub (c); |
731 | } |
799 | } |
732 | |
800 | |
733 | if (expect_false (c->on_enter)) |
801 | if (ecb_expect_false (c->on_enter)) |
734 | { |
802 | { |
735 | int i; |
803 | int i; |
736 | |
804 | |
737 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
805 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
738 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
806 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
739 | } |
807 | } |
740 | |
808 | |
|
|
809 | if (ecb_expect_false (c->on_enter_xs)) |
|
|
810 | { |
|
|
811 | int i; |
|
|
812 | |
|
|
813 | for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2) |
|
|
814 | ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]); |
|
|
815 | } |
|
|
816 | |
741 | SWAP_SVS (c); |
817 | SWAP_SVS_ENTER (c); |
742 | } |
818 | } |
743 | |
819 | |
744 | static void |
820 | static void |
745 | save_perl (pTHX_ Coro__State c) |
821 | save_perl (pTHX_ Coro__State c) |
746 | { |
822 | { |
747 | SWAP_SVS (c); |
823 | SWAP_SVS_LEAVE (c); |
748 | |
824 | |
|
|
825 | if (ecb_expect_false (c->on_leave_xs)) |
|
|
826 | { |
|
|
827 | int i; |
|
|
828 | |
|
|
829 | for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2) |
|
|
830 | ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]); |
|
|
831 | } |
|
|
832 | |
749 | if (expect_false (c->on_leave)) |
833 | if (ecb_expect_false (c->on_leave)) |
750 | { |
834 | { |
751 | int i; |
835 | int i; |
752 | |
836 | |
753 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
837 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
754 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
838 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
755 | } |
839 | } |
756 | |
840 | |
757 | times_valid = 0; |
841 | times_valid = 0; |
758 | |
842 | |
759 | if (expect_false (enable_times)) |
843 | if (ecb_expect_false (enable_times)) |
760 | { |
844 | { |
761 | coro_times_update (); times_valid = 1; |
845 | coro_times_update (); times_valid = 1; |
762 | coro_times_add (c); |
846 | coro_times_add (c); |
763 | } |
847 | } |
764 | |
848 | |
… | |
… | |
778 | |
862 | |
779 | XPUSHs (Nullsv); |
863 | XPUSHs (Nullsv); |
780 | /* this loop was inspired by pp_caller */ |
864 | /* this loop was inspired by pp_caller */ |
781 | for (;;) |
865 | for (;;) |
782 | { |
866 | { |
783 | while (expect_true (cxix >= 0)) |
867 | while (ecb_expect_true (cxix >= 0)) |
784 | { |
868 | { |
785 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
869 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
786 | |
870 | |
787 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
871 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
788 | { |
872 | { |
789 | CV *cv = cx->blk_sub.cv; |
873 | CV *cv = cx->blk_sub.cv; |
790 | |
874 | |
791 | if (expect_true (CvDEPTH (cv))) |
875 | if (ecb_expect_true (CvDEPTH (cv))) |
792 | { |
876 | { |
793 | EXTEND (SP, 3); |
877 | EXTEND (SP, 3); |
794 | PUSHs ((SV *)CvPADLIST (cv)); |
878 | PUSHs ((SV *)CvPADLIST (cv)); |
795 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
879 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
796 | PUSHs ((SV *)cv); |
880 | PUSHs ((SV *)cv); |
… | |
… | |
799 | get_padlist (aTHX_ cv); |
883 | get_padlist (aTHX_ cv); |
800 | } |
884 | } |
801 | } |
885 | } |
802 | } |
886 | } |
803 | |
887 | |
804 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
888 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
805 | break; |
889 | break; |
806 | |
890 | |
807 | top_si = top_si->si_prev; |
891 | top_si = top_si->si_prev; |
808 | ccstk = top_si->si_cxstack; |
892 | ccstk = top_si->si_cxstack; |
809 | cxix = top_si->si_cxix; |
893 | cxix = top_si->si_cxix; |
… | |
… | |
811 | |
895 | |
812 | PUTBACK; |
896 | PUTBACK; |
813 | } |
897 | } |
814 | |
898 | |
815 | /* allocate some space on the context stack for our purposes */ |
899 | /* allocate some space on the context stack for our purposes */ |
816 | if (expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
900 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
817 | { |
901 | { |
818 | unsigned int i; |
902 | unsigned int i; |
819 | |
903 | |
820 | for (i = 0; i < SLOT_COUNT; ++i) |
904 | for (i = 0; i < SLOT_COUNT; ++i) |
821 | CXINC; |
905 | CXINC; |
… | |
… | |
826 | c->mainstack = PL_mainstack; |
910 | c->mainstack = PL_mainstack; |
827 | |
911 | |
828 | { |
912 | { |
829 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
913 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
830 | |
914 | |
831 | slot->defav = GvAV (PL_defgv); |
915 | #if CORO_JIT |
832 | slot->defsv = DEFSV; |
916 | save_perl_slots (slot); |
833 | slot->errsv = ERRSV; |
917 | #else |
834 | slot->irsgv = GvSV (irsgv); |
|
|
835 | slot->hinthv = GvHV (PL_hintgv); |
|
|
836 | |
|
|
837 | #define VAR(name,type) slot->name = PL_ ## name; |
918 | #define VARx(name,expr,type) slot->name = expr; |
838 | # include "state.h" |
919 | #include "state.h" |
839 | #undef VAR |
920 | #endif |
840 | } |
921 | } |
841 | } |
922 | } |
842 | |
923 | |
843 | /* |
924 | /* |
844 | * allocate various perl stacks. This is almost an exact copy |
925 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
875 | #endif |
956 | #endif |
876 | |
957 | |
877 | New(54,PL_scopestack,8,I32); |
958 | New(54,PL_scopestack,8,I32); |
878 | PL_scopestack_ix = 0; |
959 | PL_scopestack_ix = 0; |
879 | PL_scopestack_max = 8; |
960 | PL_scopestack_max = 8; |
|
|
961 | #if HAS_SCOPESTACK_NAME |
|
|
962 | New(54,PL_scopestack_name,8,const char*); |
|
|
963 | #endif |
880 | |
964 | |
881 | New(54,PL_savestack,24,ANY); |
965 | New(54,PL_savestack,24,ANY); |
882 | PL_savestack_ix = 0; |
966 | PL_savestack_ix = 0; |
883 | PL_savestack_max = 24; |
967 | PL_savestack_max = 24; |
884 | |
968 | |
… | |
… | |
912 | } |
996 | } |
913 | |
997 | |
914 | Safefree (PL_tmps_stack); |
998 | Safefree (PL_tmps_stack); |
915 | Safefree (PL_markstack); |
999 | Safefree (PL_markstack); |
916 | Safefree (PL_scopestack); |
1000 | Safefree (PL_scopestack); |
|
|
1001 | #if HAS_SCOPESTACK_NAME |
|
|
1002 | Safefree (PL_scopestack_name); |
|
|
1003 | #endif |
917 | Safefree (PL_savestack); |
1004 | Safefree (PL_savestack); |
918 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1005 | #if !PERL_VERSION_ATLEAST (5,10,0) |
919 | Safefree (PL_retstack); |
1006 | Safefree (PL_retstack); |
920 | #endif |
1007 | #endif |
921 | } |
1008 | } |
… | |
… | |
967 | #endif |
1054 | #endif |
968 | |
1055 | |
969 | /* |
1056 | /* |
970 | * This overrides the default magic get method of %SIG elements. |
1057 | * This overrides the default magic get method of %SIG elements. |
971 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1058 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
972 | * and instead of trying to save and restore the hash elements, we just provide |
1059 | * and instead of trying to save and restore the hash elements (extremely slow), |
973 | * readback here. |
1060 | * we just provide our own readback here. |
974 | */ |
1061 | */ |
975 | static int |
1062 | static int ecb_cold |
976 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1063 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
977 | { |
1064 | { |
978 | const char *s = MgPV_nolen_const (mg); |
1065 | const char *s = MgPV_nolen_const (mg); |
979 | |
1066 | |
980 | if (*s == '_') |
1067 | if (*s == '_') |
981 | { |
1068 | { |
982 | SV **svp = 0; |
1069 | SV **svp = 0; |
983 | |
1070 | |
984 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1071 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
985 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1072 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
986 | |
1073 | |
987 | if (svp) |
1074 | if (svp) |
988 | { |
1075 | { |
989 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1076 | SV *ssv; |
|
|
1077 | |
|
|
1078 | if (!*svp) |
|
|
1079 | ssv = &PL_sv_undef; |
|
|
1080 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1081 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1082 | else |
|
|
1083 | ssv = *svp; |
|
|
1084 | |
|
|
1085 | sv_setsv (sv, ssv); |
990 | return 0; |
1086 | return 0; |
991 | } |
1087 | } |
992 | } |
1088 | } |
993 | |
1089 | |
994 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1090 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
995 | } |
1091 | } |
996 | |
1092 | |
997 | static int |
1093 | static int ecb_cold |
998 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1094 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
999 | { |
1095 | { |
1000 | const char *s = MgPV_nolen_const (mg); |
1096 | const char *s = MgPV_nolen_const (mg); |
1001 | |
1097 | |
1002 | if (*s == '_') |
1098 | if (*s == '_') |
… | |
… | |
1016 | } |
1112 | } |
1017 | |
1113 | |
1018 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1114 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1019 | } |
1115 | } |
1020 | |
1116 | |
1021 | static int |
1117 | static int ecb_cold |
1022 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1118 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1023 | { |
1119 | { |
1024 | const char *s = MgPV_nolen_const (mg); |
1120 | const char *s = MgPV_nolen_const (mg); |
1025 | |
1121 | |
1026 | if (*s == '_') |
1122 | if (*s == '_') |
… | |
… | |
1061 | return 1; |
1157 | return 1; |
1062 | } |
1158 | } |
1063 | |
1159 | |
1064 | static UNOP init_perl_op; |
1160 | static UNOP init_perl_op; |
1065 | |
1161 | |
1066 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1162 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1067 | init_perl (pTHX_ struct coro *coro) |
1163 | init_perl (pTHX_ struct coro *coro) |
1068 | { |
1164 | { |
1069 | /* |
1165 | /* |
1070 | * emulate part of the perl startup here. |
1166 | * emulate part of the perl startup here. |
1071 | */ |
1167 | */ |
… | |
… | |
1086 | PL_parser = 0; |
1182 | PL_parser = 0; |
1087 | #endif |
1183 | #endif |
1088 | PL_hints = 0; |
1184 | PL_hints = 0; |
1089 | |
1185 | |
1090 | /* recreate the die/warn hooks */ |
1186 | /* recreate the die/warn hooks */ |
1091 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1187 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1092 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1188 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1093 | |
1189 | |
1094 | GvSV (PL_defgv) = newSV (0); |
1190 | GvSV (PL_defgv) = newSV (0); |
1095 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1191 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1096 | GvSV (PL_errgv) = newSV (0); |
1192 | GvSV (PL_errgv) = newSV (0); |
1097 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1193 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1098 | GvHV (PL_hintgv) = 0; |
1194 | GvHV (PL_hintgv) = newHV (); |
|
|
1195 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
1196 | hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints); |
|
|
1197 | #endif |
1099 | PL_rs = newSVsv (GvSV (irsgv)); |
1198 | PL_rs = newSVsv (GvSV (irsgv)); |
1100 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1199 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1101 | |
1200 | |
1102 | { |
1201 | { |
1103 | dSP; |
1202 | dSP; |
… | |
… | |
1131 | PL_op = (OP *)&init_perl_op; |
1230 | PL_op = (OP *)&init_perl_op; |
1132 | |
1231 | |
1133 | /* copy throw, in case it was set before init_perl */ |
1232 | /* copy throw, in case it was set before init_perl */ |
1134 | CORO_THROW = coro->except; |
1233 | CORO_THROW = coro->except; |
1135 | |
1234 | |
1136 | SWAP_SVS (coro); |
1235 | SWAP_SVS_ENTER (coro); |
1137 | |
1236 | |
1138 | if (expect_false (enable_times)) |
1237 | if (ecb_expect_false (enable_times)) |
1139 | { |
1238 | { |
1140 | coro_times_update (); |
1239 | coro_times_update (); |
1141 | coro_times_sub (coro); |
1240 | coro_times_sub (coro); |
1142 | } |
1241 | } |
1143 | } |
1242 | } |
… | |
… | |
1179 | /* this will cause transfer_check to croak on block*/ |
1278 | /* this will cause transfer_check to croak on block*/ |
1180 | SvRV_set (coro_current, (SV *)coro->hv); |
1279 | SvRV_set (coro_current, (SV *)coro->hv); |
1181 | |
1280 | |
1182 | load_perl (aTHX_ coro); |
1281 | load_perl (aTHX_ coro); |
1183 | |
1282 | |
|
|
1283 | /* restore swapped sv's */ |
|
|
1284 | SWAP_SVS_LEAVE (coro); |
|
|
1285 | |
1184 | coro_unwind_stacks (aTHX); |
1286 | coro_unwind_stacks (aTHX); |
1185 | |
1287 | |
1186 | /* restore swapped sv's */ |
|
|
1187 | SWAP_SVS (coro); |
|
|
1188 | |
|
|
1189 | coro_destruct_stacks (aTHX); |
1288 | coro_destruct_stacks (aTHX); |
1190 | |
1289 | |
1191 | // now save some sv's to be free'd later |
1290 | /* now save some sv's to be free'd later */ |
1192 | svf [0] = GvSV (PL_defgv); |
1291 | svf [0] = GvSV (PL_defgv); |
1193 | svf [1] = (SV *)GvAV (PL_defgv); |
1292 | svf [1] = (SV *)GvAV (PL_defgv); |
1194 | svf [2] = GvSV (PL_errgv); |
1293 | svf [2] = GvSV (PL_errgv); |
1195 | svf [3] = (SV *)PL_defoutgv; |
1294 | svf [3] = (SV *)PL_defoutgv; |
1196 | svf [4] = PL_rs; |
1295 | svf [4] = PL_rs; |
… | |
… | |
1213 | |
1312 | |
1214 | SvREFCNT_dec (coro->saved_deffh); |
1313 | SvREFCNT_dec (coro->saved_deffh); |
1215 | SvREFCNT_dec (coro->rouse_cb); |
1314 | SvREFCNT_dec (coro->rouse_cb); |
1216 | SvREFCNT_dec (coro->invoke_cb); |
1315 | SvREFCNT_dec (coro->invoke_cb); |
1217 | SvREFCNT_dec (coro->invoke_av); |
1316 | SvREFCNT_dec (coro->invoke_av); |
|
|
1317 | SvREFCNT_dec (coro->on_enter_xs); |
|
|
1318 | SvREFCNT_dec (coro->on_leave_xs); |
1218 | } |
1319 | } |
1219 | } |
1320 | } |
1220 | |
1321 | |
1221 | INLINE void |
1322 | ecb_inline void |
1222 | free_coro_mortal (pTHX) |
1323 | free_coro_mortal (pTHX) |
1223 | { |
1324 | { |
1224 | if (expect_true (coro_mortal)) |
1325 | if (ecb_expect_true (coro_mortal)) |
1225 | { |
1326 | { |
1226 | SvREFCNT_dec ((SV *)coro_mortal); |
1327 | SvREFCNT_dec ((SV *)coro_mortal); |
1227 | coro_mortal = 0; |
1328 | coro_mortal = 0; |
1228 | } |
1329 | } |
1229 | } |
1330 | } |
… | |
… | |
1285 | |
1386 | |
1286 | if (PL_curcop != &PL_compiling) |
1387 | if (PL_curcop != &PL_compiling) |
1287 | { |
1388 | { |
1288 | SV **cb; |
1389 | SV **cb; |
1289 | |
1390 | |
1290 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1391 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0) |
1291 | { |
1392 | { |
1292 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1393 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1293 | |
1394 | |
1294 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1395 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1295 | { |
1396 | { |
… | |
… | |
1364 | |
1465 | |
1365 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1466 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1366 | } |
1467 | } |
1367 | |
1468 | |
1368 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1469 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1369 | static void NOINLINE |
1470 | static void ecb_noinline |
1370 | cctx_prepare (pTHX) |
1471 | cctx_prepare (pTHX) |
1371 | { |
1472 | { |
1372 | PL_top_env = &PL_start_env; |
1473 | PL_top_env = &PL_start_env; |
1373 | |
1474 | |
1374 | if (cctx_current->flags & CC_TRACE) |
1475 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1385 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1486 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1386 | slf_frame.check = slf_check_set_stacklevel; |
1487 | slf_frame.check = slf_check_set_stacklevel; |
1387 | } |
1488 | } |
1388 | |
1489 | |
1389 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1490 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1390 | INLINE void |
1491 | ecb_inline void |
1391 | transfer_tail (pTHX) |
1492 | transfer_tail (pTHX) |
1392 | { |
1493 | { |
1393 | free_coro_mortal (aTHX); |
1494 | free_coro_mortal (aTHX); |
|
|
1495 | } |
|
|
1496 | |
|
|
1497 | /* try to exit the same way perl's main function would do */ |
|
|
1498 | /* we do not bother resetting the environment or other things *7 |
|
|
1499 | /* that are not, uhm, essential */ |
|
|
1500 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1501 | static void ecb_noinline ecb_cold |
|
|
1502 | perlish_exit (pTHX) |
|
|
1503 | { |
|
|
1504 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1505 | perl_free (PL_curinterp); |
|
|
1506 | exit (exitstatus); |
1394 | } |
1507 | } |
1395 | |
1508 | |
1396 | /* |
1509 | /* |
1397 | * this is a _very_ stripped down perl interpreter ;) |
1510 | * this is a _very_ stripped down perl interpreter ;) |
1398 | */ |
1511 | */ |
… | |
… | |
1427 | */ |
1540 | */ |
1428 | |
1541 | |
1429 | /* |
1542 | /* |
1430 | * If perl-run returns we assume exit() was being called or the coro |
1543 | * If perl-run returns we assume exit() was being called or the coro |
1431 | * fell off the end, which seems to be the only valid (non-bug) |
1544 | * fell off the end, which seems to be the only valid (non-bug) |
1432 | * reason for perl_run to return. We try to exit by jumping to the |
1545 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1433 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1546 | * doing in that case. YMMV. |
1434 | * coroutine as Coro has no such concept. |
|
|
1435 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1436 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1437 | */ |
1547 | */ |
1438 | PL_top_env = main_top_env; |
1548 | perlish_exit (aTHX); |
1439 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1440 | } |
1549 | } |
1441 | } |
1550 | } |
1442 | |
1551 | |
1443 | static coro_cctx * |
1552 | static coro_cctx * |
1444 | cctx_new () |
1553 | cctx_new (void) |
1445 | { |
1554 | { |
1446 | coro_cctx *cctx; |
1555 | coro_cctx *cctx; |
1447 | |
1556 | |
1448 | ++cctx_count; |
1557 | ++cctx_count; |
1449 | New (0, cctx, 1, coro_cctx); |
1558 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1455 | return cctx; |
1564 | return cctx; |
1456 | } |
1565 | } |
1457 | |
1566 | |
1458 | /* create a new cctx only suitable as source */ |
1567 | /* create a new cctx only suitable as source */ |
1459 | static coro_cctx * |
1568 | static coro_cctx * |
1460 | cctx_new_empty () |
1569 | cctx_new_empty (void) |
1461 | { |
1570 | { |
1462 | coro_cctx *cctx = cctx_new (); |
1571 | coro_cctx *cctx = cctx_new (); |
1463 | |
1572 | |
1464 | cctx->sptr = 0; |
1573 | cctx->stack.sptr = 0; |
1465 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1574 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1466 | |
1575 | |
1467 | return cctx; |
1576 | return cctx; |
1468 | } |
1577 | } |
1469 | |
1578 | |
1470 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1579 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1471 | static coro_cctx * |
1580 | static coro_cctx * |
1472 | cctx_new_run () |
1581 | cctx_new_run (void) |
1473 | { |
1582 | { |
1474 | coro_cctx *cctx = cctx_new (); |
1583 | coro_cctx *cctx = cctx_new (); |
1475 | void *stack_start; |
|
|
1476 | size_t stack_size; |
|
|
1477 | |
1584 | |
1478 | #if HAVE_MMAP |
1585 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1479 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1480 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1481 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1482 | |
|
|
1483 | if (cctx->sptr != (void *)-1) |
|
|
1484 | { |
|
|
1485 | #if CORO_STACKGUARD |
|
|
1486 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1487 | #endif |
|
|
1488 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1489 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1490 | cctx->flags |= CC_MAPPED; |
|
|
1491 | } |
1586 | { |
1492 | else |
|
|
1493 | #endif |
|
|
1494 | { |
|
|
1495 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1496 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1497 | |
|
|
1498 | if (!cctx->sptr) |
|
|
1499 | { |
|
|
1500 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1587 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1501 | _exit (EXIT_FAILURE); |
1588 | _exit (EXIT_FAILURE); |
1502 | } |
|
|
1503 | |
|
|
1504 | stack_start = cctx->sptr; |
|
|
1505 | stack_size = cctx->ssize; |
|
|
1506 | } |
1589 | } |
1507 | |
1590 | |
1508 | #if CORO_USE_VALGRIND |
|
|
1509 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1510 | #endif |
|
|
1511 | |
|
|
1512 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1591 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1513 | |
1592 | |
1514 | return cctx; |
1593 | return cctx; |
1515 | } |
1594 | } |
1516 | |
1595 | |
1517 | static void |
1596 | static void |
… | |
… | |
1523 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1602 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1524 | |
1603 | |
1525 | --cctx_count; |
1604 | --cctx_count; |
1526 | coro_destroy (&cctx->cctx); |
1605 | coro_destroy (&cctx->cctx); |
1527 | |
1606 | |
1528 | /* coro_transfer creates new, empty cctx's */ |
1607 | coro_stack_free (&cctx->stack); |
1529 | if (cctx->sptr) |
|
|
1530 | { |
|
|
1531 | #if CORO_USE_VALGRIND |
|
|
1532 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1533 | #endif |
|
|
1534 | |
|
|
1535 | #if HAVE_MMAP |
|
|
1536 | if (cctx->flags & CC_MAPPED) |
|
|
1537 | munmap (cctx->sptr, cctx->ssize); |
|
|
1538 | else |
|
|
1539 | #endif |
|
|
1540 | Safefree (cctx->sptr); |
|
|
1541 | } |
|
|
1542 | |
1608 | |
1543 | Safefree (cctx); |
1609 | Safefree (cctx); |
1544 | } |
1610 | } |
1545 | |
1611 | |
1546 | /* wether this cctx should be destructed */ |
1612 | /* wether this cctx should be destructed */ |
1547 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1613 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1548 | |
1614 | |
1549 | static coro_cctx * |
1615 | static coro_cctx * |
1550 | cctx_get (pTHX) |
1616 | cctx_get (pTHX) |
1551 | { |
1617 | { |
1552 | while (expect_true (cctx_first)) |
1618 | while (ecb_expect_true (cctx_first)) |
1553 | { |
1619 | { |
1554 | coro_cctx *cctx = cctx_first; |
1620 | coro_cctx *cctx = cctx_first; |
1555 | cctx_first = cctx->next; |
1621 | cctx_first = cctx->next; |
1556 | --cctx_idle; |
1622 | --cctx_idle; |
1557 | |
1623 | |
1558 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1624 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1559 | return cctx; |
1625 | return cctx; |
1560 | |
1626 | |
1561 | cctx_destroy (cctx); |
1627 | cctx_destroy (cctx); |
1562 | } |
1628 | } |
1563 | |
1629 | |
… | |
… | |
1565 | } |
1631 | } |
1566 | |
1632 | |
1567 | static void |
1633 | static void |
1568 | cctx_put (coro_cctx *cctx) |
1634 | cctx_put (coro_cctx *cctx) |
1569 | { |
1635 | { |
1570 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1636 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1571 | |
1637 | |
1572 | /* free another cctx if overlimit */ |
1638 | /* free another cctx if overlimit */ |
1573 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1639 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1574 | { |
1640 | { |
1575 | coro_cctx *first = cctx_first; |
1641 | coro_cctx *first = cctx_first; |
1576 | cctx_first = first->next; |
1642 | cctx_first = first->next; |
1577 | --cctx_idle; |
1643 | --cctx_idle; |
1578 | |
1644 | |
… | |
… | |
1589 | static void |
1655 | static void |
1590 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1656 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1591 | { |
1657 | { |
1592 | /* TODO: throwing up here is considered harmful */ |
1658 | /* TODO: throwing up here is considered harmful */ |
1593 | |
1659 | |
1594 | if (expect_true (prev != next)) |
1660 | if (ecb_expect_true (prev != next)) |
1595 | { |
1661 | { |
1596 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1662 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1597 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1663 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1598 | |
1664 | |
1599 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1665 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1600 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1666 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1601 | |
1667 | |
1602 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1668 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1603 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1669 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1604 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1670 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1605 | #endif |
1671 | #endif |
1606 | } |
1672 | } |
1607 | } |
1673 | } |
1608 | |
1674 | |
1609 | /* always use the TRANSFER macro */ |
1675 | /* always use the TRANSFER macro */ |
1610 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1676 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1611 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1677 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1612 | { |
1678 | { |
1613 | dSTACKLEVEL; |
1679 | dSTACKLEVEL; |
1614 | |
1680 | |
1615 | /* sometimes transfer is only called to set idle_sp */ |
1681 | /* sometimes transfer is only called to set idle_sp */ |
1616 | if (expect_false (!prev)) |
1682 | if (ecb_expect_false (!prev)) |
1617 | { |
1683 | { |
1618 | cctx_current->idle_sp = STACKLEVEL; |
1684 | cctx_current->idle_sp = STACKLEVEL; |
1619 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1685 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1620 | } |
1686 | } |
1621 | else if (expect_true (prev != next)) |
1687 | else if (ecb_expect_true (prev != next)) |
1622 | { |
1688 | { |
1623 | coro_cctx *cctx_prev; |
1689 | coro_cctx *cctx_prev; |
1624 | |
1690 | |
1625 | if (expect_false (prev->flags & CF_NEW)) |
1691 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1626 | { |
1692 | { |
1627 | /* create a new empty/source context */ |
1693 | /* create a new empty/source context */ |
1628 | prev->flags &= ~CF_NEW; |
1694 | prev->flags &= ~CF_NEW; |
1629 | prev->flags |= CF_RUNNING; |
1695 | prev->flags |= CF_RUNNING; |
1630 | } |
1696 | } |
… | |
… | |
1633 | next->flags |= CF_RUNNING; |
1699 | next->flags |= CF_RUNNING; |
1634 | |
1700 | |
1635 | /* first get rid of the old state */ |
1701 | /* first get rid of the old state */ |
1636 | save_perl (aTHX_ prev); |
1702 | save_perl (aTHX_ prev); |
1637 | |
1703 | |
1638 | if (expect_false (next->flags & CF_NEW)) |
1704 | if (ecb_expect_false (next->flags & CF_NEW)) |
1639 | { |
1705 | { |
1640 | /* need to start coroutine */ |
1706 | /* need to start coroutine */ |
1641 | next->flags &= ~CF_NEW; |
1707 | next->flags &= ~CF_NEW; |
1642 | /* setup coroutine call */ |
1708 | /* setup coroutine call */ |
1643 | init_perl (aTHX_ next); |
1709 | init_perl (aTHX_ next); |
1644 | } |
1710 | } |
1645 | else |
1711 | else |
1646 | load_perl (aTHX_ next); |
1712 | load_perl (aTHX_ next); |
1647 | |
1713 | |
1648 | /* possibly untie and reuse the cctx */ |
1714 | /* possibly untie and reuse the cctx */ |
1649 | if (expect_true ( |
1715 | if (ecb_expect_true ( |
1650 | cctx_current->idle_sp == STACKLEVEL |
1716 | cctx_current->idle_sp == STACKLEVEL |
1651 | && !(cctx_current->flags & CC_TRACE) |
1717 | && !(cctx_current->flags & CC_TRACE) |
1652 | && !force_cctx |
1718 | && !force_cctx |
1653 | )) |
1719 | )) |
1654 | { |
1720 | { |
1655 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1721 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1656 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1722 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1657 | |
1723 | |
1658 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1724 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1659 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1725 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1660 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1726 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1661 | if (expect_true (!next->cctx)) |
1727 | if (ecb_expect_true (!next->cctx)) |
1662 | next->cctx = cctx_get (aTHX); |
1728 | next->cctx = cctx_get (aTHX); |
1663 | |
1729 | |
1664 | cctx_put (cctx_current); |
1730 | cctx_put (cctx_current); |
1665 | } |
1731 | } |
1666 | else |
1732 | else |
1667 | prev->cctx = cctx_current; |
1733 | prev->cctx = cctx_current; |
1668 | |
1734 | |
1669 | ++next->usecount; |
1735 | ++next->usecount; |
1670 | |
1736 | |
1671 | cctx_prev = cctx_current; |
1737 | cctx_prev = cctx_current; |
1672 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1738 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1673 | |
1739 | |
1674 | next->cctx = 0; |
1740 | next->cctx = 0; |
1675 | |
1741 | |
1676 | if (expect_false (cctx_prev != cctx_current)) |
1742 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1677 | { |
1743 | { |
1678 | cctx_prev->top_env = PL_top_env; |
1744 | cctx_prev->top_env = PL_top_env; |
1679 | PL_top_env = cctx_current->top_env; |
1745 | PL_top_env = cctx_current->top_env; |
1680 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1746 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1681 | } |
1747 | } |
… | |
… | |
1695 | coro_call_on_destroy (pTHX_ struct coro *coro); |
1761 | coro_call_on_destroy (pTHX_ struct coro *coro); |
1696 | |
1762 | |
1697 | static void |
1763 | static void |
1698 | coro_state_destroy (pTHX_ struct coro *coro) |
1764 | coro_state_destroy (pTHX_ struct coro *coro) |
1699 | { |
1765 | { |
1700 | if (coro->flags & CF_DESTROYED) |
1766 | if (coro->flags & CF_ZOMBIE) |
1701 | return; |
1767 | return; |
1702 | |
1768 | |
1703 | slf_destroy (aTHX_ coro); |
1769 | slf_destroy (aTHX_ coro); |
1704 | |
1770 | |
1705 | coro->flags |= CF_DESTROYED; |
1771 | coro->flags |= CF_ZOMBIE; |
1706 | |
1772 | |
1707 | if (coro->flags & CF_READY) |
1773 | if (coro->flags & CF_READY) |
1708 | { |
1774 | { |
1709 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1775 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1710 | /* alternative: look through all ready queues and remove the coro */ |
1776 | /* alternative: look through all ready queues and remove the coro */ |
1711 | --coro_nready; |
1777 | --coro_nready; |
… | |
… | |
1727 | SvREFCNT_dec (coro->startcv); |
1793 | SvREFCNT_dec (coro->startcv); |
1728 | SvREFCNT_dec (coro->args); |
1794 | SvREFCNT_dec (coro->args); |
1729 | SvREFCNT_dec (coro->swap_sv); |
1795 | SvREFCNT_dec (coro->swap_sv); |
1730 | SvREFCNT_dec (CORO_THROW); |
1796 | SvREFCNT_dec (CORO_THROW); |
1731 | |
1797 | |
1732 | coro_call_on_destroy (coro); |
1798 | coro_call_on_destroy (aTHX_ coro); |
1733 | |
1799 | |
1734 | /* more destruction mayhem in coro_state_free */ |
1800 | /* more destruction mayhem in coro_state_free */ |
1735 | } |
1801 | } |
1736 | |
1802 | |
1737 | static int |
1803 | static int |
1738 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1804 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1739 | { |
1805 | { |
1740 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1806 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1741 | mg->mg_ptr = 0; |
1807 | mg->mg_ptr = 0; |
1742 | |
1808 | |
1743 | coro_state_destroy (coro); |
1809 | coro_state_destroy (aTHX_ coro); |
1744 | SvREFCNT_dec (coro->on_destroy); |
1810 | SvREFCNT_dec (coro->on_destroy); |
1745 | SvREFCNT_dec (coro->status); |
1811 | SvREFCNT_dec (coro->status); |
1746 | |
1812 | |
1747 | Safefree (coro); |
1813 | Safefree (coro); |
1748 | |
1814 | |
1749 | return 0; |
1815 | return 0; |
1750 | } |
1816 | } |
1751 | |
1817 | |
1752 | static int |
1818 | static int ecb_cold |
1753 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1819 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1754 | { |
1820 | { |
1755 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1821 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1756 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1822 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1757 | mg->mg_ptr = 0; |
1823 | mg->mg_ptr = 0; |
… | |
… | |
1788 | TRANSFER (ta, 1); |
1854 | TRANSFER (ta, 1); |
1789 | } |
1855 | } |
1790 | |
1856 | |
1791 | /** Coro ********************************************************************/ |
1857 | /** Coro ********************************************************************/ |
1792 | |
1858 | |
1793 | INLINE void |
1859 | ecb_inline void |
1794 | coro_enq (pTHX_ struct coro *coro) |
1860 | coro_enq (pTHX_ struct coro *coro) |
1795 | { |
1861 | { |
1796 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1862 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1797 | |
1863 | |
1798 | SvREFCNT_inc_NN (coro->hv); |
1864 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1800 | coro->next_ready = 0; |
1866 | coro->next_ready = 0; |
1801 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1867 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1802 | ready [1] = coro; |
1868 | ready [1] = coro; |
1803 | } |
1869 | } |
1804 | |
1870 | |
1805 | INLINE struct coro * |
1871 | ecb_inline struct coro * |
1806 | coro_deq (pTHX) |
1872 | coro_deq (pTHX) |
1807 | { |
1873 | { |
1808 | int prio; |
1874 | int prio; |
1809 | |
1875 | |
1810 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1876 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1863 | { |
1929 | { |
1864 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1930 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1865 | } |
1931 | } |
1866 | |
1932 | |
1867 | /* expects to own a reference to next->hv */ |
1933 | /* expects to own a reference to next->hv */ |
1868 | INLINE void |
1934 | ecb_inline void |
1869 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1935 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1870 | { |
1936 | { |
1871 | SV *prev_sv = SvRV (coro_current); |
1937 | SV *prev_sv = SvRV (coro_current); |
1872 | |
1938 | |
1873 | ta->prev = SvSTATE_hv (prev_sv); |
1939 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1886 | { |
1952 | { |
1887 | for (;;) |
1953 | for (;;) |
1888 | { |
1954 | { |
1889 | struct coro *next = coro_deq (aTHX); |
1955 | struct coro *next = coro_deq (aTHX); |
1890 | |
1956 | |
1891 | if (expect_true (next)) |
1957 | if (ecb_expect_true (next)) |
1892 | { |
1958 | { |
1893 | /* cannot transfer to destroyed coros, skip and look for next */ |
1959 | /* cannot transfer to destroyed coros, skip and look for next */ |
1894 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1960 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1895 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1961 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1896 | else |
1962 | else |
1897 | { |
1963 | { |
1898 | next->flags &= ~CF_READY; |
1964 | next->flags &= ~CF_READY; |
1899 | --coro_nready; |
1965 | --coro_nready; |
… | |
… | |
1907 | /* nothing to schedule: call the idle handler */ |
1973 | /* nothing to schedule: call the idle handler */ |
1908 | if (SvROK (sv_idle) |
1974 | if (SvROK (sv_idle) |
1909 | && SvOBJECT (SvRV (sv_idle))) |
1975 | && SvOBJECT (SvRV (sv_idle))) |
1910 | { |
1976 | { |
1911 | if (SvRV (sv_idle) == SvRV (coro_current)) |
1977 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1978 | { |
|
|
1979 | require_pv ("Carp"); |
|
|
1980 | |
|
|
1981 | { |
|
|
1982 | dSP; |
|
|
1983 | |
|
|
1984 | ENTER; |
|
|
1985 | SAVETMPS; |
|
|
1986 | |
|
|
1987 | PUSHMARK (SP); |
1912 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
1988 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
1989 | PUTBACK; |
|
|
1990 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
1991 | |
|
|
1992 | FREETMPS; |
|
|
1993 | LEAVE; |
|
|
1994 | } |
|
|
1995 | } |
1913 | |
1996 | |
1914 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1997 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1915 | api_ready (aTHX_ SvRV (sv_idle)); |
1998 | api_ready (aTHX_ SvRV (sv_idle)); |
1916 | --coro_nready; |
1999 | --coro_nready; |
1917 | } |
2000 | } |
… | |
… | |
1932 | } |
2015 | } |
1933 | } |
2016 | } |
1934 | } |
2017 | } |
1935 | } |
2018 | } |
1936 | |
2019 | |
1937 | INLINE void |
2020 | ecb_inline void |
1938 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
2021 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1939 | { |
2022 | { |
1940 | api_ready (aTHX_ coro_current); |
2023 | api_ready (aTHX_ coro_current); |
1941 | prepare_schedule (aTHX_ ta); |
2024 | prepare_schedule (aTHX_ ta); |
1942 | } |
2025 | } |
1943 | |
2026 | |
1944 | INLINE void |
2027 | ecb_inline void |
1945 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
2028 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1946 | { |
2029 | { |
1947 | SV *prev = SvRV (coro_current); |
2030 | SV *prev = SvRV (coro_current); |
1948 | |
2031 | |
1949 | if (coro_nready) |
2032 | if (coro_nready) |
… | |
… | |
1979 | { |
2062 | { |
1980 | struct coro_transfer_args ta; |
2063 | struct coro_transfer_args ta; |
1981 | |
2064 | |
1982 | prepare_cede (aTHX_ &ta); |
2065 | prepare_cede (aTHX_ &ta); |
1983 | |
2066 | |
1984 | if (expect_true (ta.prev != ta.next)) |
2067 | if (ecb_expect_true (ta.prev != ta.next)) |
1985 | { |
2068 | { |
1986 | TRANSFER (ta, 1); |
2069 | TRANSFER (ta, 1); |
1987 | return 1; |
2070 | return 1; |
1988 | } |
2071 | } |
1989 | else |
2072 | else |
… | |
… | |
2054 | PUTBACK; |
2137 | PUTBACK; |
2055 | } |
2138 | } |
2056 | } |
2139 | } |
2057 | |
2140 | |
2058 | static void |
2141 | static void |
2059 | coro_push_on_destroy (aTHX_ struct coro *coro, SV *cb) |
2142 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
2060 | { |
2143 | { |
2061 | if (!coro->on_destroy) |
2144 | if (!coro->on_destroy) |
2062 | coro->on_destroy = newAV (); |
2145 | coro->on_destroy = newAV (); |
2063 | |
2146 | |
2064 | av_push (coro->on_destroy, cb); |
2147 | av_push (coro->on_destroy, cb); |
… | |
… | |
2078 | if (!coro->status) |
2161 | if (!coro->status) |
2079 | return 1; |
2162 | return 1; |
2080 | |
2163 | |
2081 | frame->destroy = 0; |
2164 | frame->destroy = 0; |
2082 | |
2165 | |
2083 | coro_push_av (coro->status, GIMME_V); |
2166 | coro_push_av (aTHX_ coro->status, GIMME_V); |
2084 | |
2167 | |
2085 | SvREFCNT_dec ((SV *)coro->hv); |
2168 | SvREFCNT_dec ((SV *)coro->hv); |
2086 | |
2169 | |
2087 | return 0; |
2170 | return 0; |
2088 | } |
2171 | } |
… | |
… | |
2114 | { |
2197 | { |
2115 | AV *od = coro->on_destroy; |
2198 | AV *od = coro->on_destroy; |
2116 | |
2199 | |
2117 | if (!od) |
2200 | if (!od) |
2118 | return; |
2201 | return; |
|
|
2202 | |
|
|
2203 | coro->on_destroy = 0; |
|
|
2204 | sv_2mortal ((SV *)od); |
2119 | |
2205 | |
2120 | while (AvFILLp (od) >= 0) |
2206 | while (AvFILLp (od) >= 0) |
2121 | { |
2207 | { |
2122 | SV *cb = sv_2mortal (av_pop (od)); |
2208 | SV *cb = sv_2mortal (av_pop (od)); |
2123 | |
2209 | |
… | |
… | |
2135 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
2221 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
2136 | SPAGAIN; |
2222 | SPAGAIN; |
2137 | } |
2223 | } |
2138 | |
2224 | |
2139 | PUTBACK; |
2225 | PUTBACK; |
2140 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2226 | call_sv (cb, G_VOID | G_DISCARD); |
2141 | } |
2227 | } |
2142 | } |
2228 | } |
2143 | } |
2229 | } |
2144 | |
2230 | |
2145 | static void |
2231 | static void |
2146 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2232 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2147 | { |
2233 | { |
2148 | AV *av; |
2234 | AV *av; |
2149 | |
2235 | |
2150 | if (coro->status) |
2236 | if (coro->status) |
2151 | { |
2237 | { |
2152 | av = coro->status; |
2238 | av = coro->status; |
2153 | av_clear (av); |
2239 | av_clear (av); |
2154 | } |
2240 | } |
… | |
… | |
2201 | |
2287 | |
2202 | coro = SvSTATE (arg [0]); |
2288 | coro = SvSTATE (arg [0]); |
2203 | coro_hv = coro->hv; |
2289 | coro_hv = coro->hv; |
2204 | |
2290 | |
2205 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2291 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2206 | |
2292 | |
2207 | if (expect_false (coro->flags & CF_NOCANCEL)) |
2293 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2208 | { |
2294 | { |
2209 | /* coro currently busy cancelling something, so just notify it */ |
2295 | /* coro currently busy cancelling something, so just notify it */ |
2210 | coro->slf_frame.data = (void *)coro; |
2296 | coro->slf_frame.data = (void *)coro; |
2211 | |
2297 | |
2212 | frame->prepare = prepare_nop; |
2298 | frame->prepare = prepare_nop; |
… | |
… | |
2218 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2304 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2219 | } |
2305 | } |
2220 | else |
2306 | else |
2221 | { |
2307 | { |
2222 | struct coro *self = SvSTATE_current; |
2308 | struct coro *self = SvSTATE_current; |
|
|
2309 | |
|
|
2310 | if (!self) |
|
|
2311 | croak ("Coro::cancel called outside of thread content,"); |
2223 | |
2312 | |
2224 | /* otherwise we cancel directly, purely for speed reasons |
2313 | /* otherwise we cancel directly, purely for speed reasons |
2225 | * unfortunately, this requires some magic trickery, as |
2314 | * unfortunately, this requires some magic trickery, as |
2226 | * somebody else could cancel us, so we have to fight the cancellation. |
2315 | * somebody else could cancel us, so we have to fight the cancellation. |
2227 | * this is ugly, and hopefully fully worth the extra speed. |
2316 | * this is ugly, and hopefully fully worth the extra speed. |
… | |
… | |
2320 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2409 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2321 | { |
2410 | { |
2322 | HV *hv = (HV *)SvRV (coro_current); |
2411 | HV *hv = (HV *)SvRV (coro_current); |
2323 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2412 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2324 | |
2413 | |
2325 | if (expect_true (coro->saved_deffh)) |
2414 | if (ecb_expect_true (coro->saved_deffh)) |
2326 | { |
2415 | { |
2327 | /* subsequent iteration */ |
2416 | /* subsequent iteration */ |
2328 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2417 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2329 | coro->saved_deffh = 0; |
2418 | coro->saved_deffh = 0; |
2330 | |
2419 | |
… | |
… | |
2337 | else |
2426 | else |
2338 | { |
2427 | { |
2339 | av_clear (GvAV (PL_defgv)); |
2428 | av_clear (GvAV (PL_defgv)); |
2340 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2429 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2341 | |
2430 | |
|
|
2431 | if (ecb_expect_false (coro->swap_sv)) |
|
|
2432 | { |
|
|
2433 | swap_svs_leave (coro); |
|
|
2434 | SvREFCNT_dec_NN (coro->swap_sv); |
|
|
2435 | coro->swap_sv = 0; |
|
|
2436 | } |
|
|
2437 | |
2342 | coro->prio = 0; |
2438 | coro->prio = 0; |
2343 | |
2439 | |
2344 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2440 | if (coro->cctx && ecb_expect_false (coro->cctx->flags & CC_TRACE)) |
2345 | api_trace (aTHX_ coro_current, 0); |
2441 | api_trace (aTHX_ coro_current, 0); |
2346 | |
2442 | |
2347 | frame->prepare = prepare_schedule; |
2443 | frame->prepare = prepare_schedule; |
2348 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2444 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2349 | } |
2445 | } |
… | |
… | |
2390 | |
2486 | |
2391 | static int |
2487 | static int |
2392 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2488 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2393 | { |
2489 | { |
2394 | SV *data = (SV *)frame->data; |
2490 | SV *data = (SV *)frame->data; |
2395 | |
2491 | |
2396 | if (CORO_THROW) |
2492 | if (CORO_THROW) |
2397 | return 0; |
2493 | return 0; |
2398 | |
2494 | |
2399 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2495 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2400 | return 1; |
2496 | return 1; |
… | |
… | |
2436 | cb = sv_2mortal (coro->rouse_cb); |
2532 | cb = sv_2mortal (coro->rouse_cb); |
2437 | coro->rouse_cb = 0; |
2533 | coro->rouse_cb = 0; |
2438 | } |
2534 | } |
2439 | |
2535 | |
2440 | if (!SvROK (cb) |
2536 | if (!SvROK (cb) |
2441 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2537 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2442 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2538 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2443 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2539 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2444 | |
2540 | |
2445 | { |
2541 | { |
2446 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2542 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2569 | |
2665 | |
2570 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2666 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2571 | static void |
2667 | static void |
2572 | slf_destroy (pTHX_ struct coro *coro) |
2668 | slf_destroy (pTHX_ struct coro *coro) |
2573 | { |
2669 | { |
2574 | /* this callback is reserved for slf functions needing to do cleanup */ |
2670 | struct CoroSLF frame = coro->slf_frame; |
2575 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2576 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2577 | |
2671 | |
2578 | /* |
2672 | /* |
2579 | * The on_destroy above most likely is from an SLF call. |
2673 | * The on_destroy below most likely is from an SLF call. |
2580 | * Since by definition the SLF call will not finish when we destroy |
2674 | * Since by definition the SLF call will not finish when we destroy |
2581 | * the coro, we will have to force-finish it here, otherwise |
2675 | * the coro, we will have to force-finish it here, otherwise |
2582 | * cleanup functions cannot call SLF functions. |
2676 | * cleanup functions cannot call SLF functions. |
2583 | */ |
2677 | */ |
2584 | coro->slf_frame.prepare = 0; |
2678 | coro->slf_frame.prepare = 0; |
|
|
2679 | |
|
|
2680 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2681 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2682 | frame.destroy (aTHX_ &frame); |
2585 | } |
2683 | } |
2586 | |
2684 | |
2587 | /* |
2685 | /* |
2588 | * these not obviously related functions are all rolled into one |
2686 | * these not obviously related functions are all rolled into one |
2589 | * function to increase chances that they all will call transfer with the same |
2687 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2596 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2694 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2597 | |
2695 | |
2598 | /* set up the slf frame, unless it has already been set-up */ |
2696 | /* set up the slf frame, unless it has already been set-up */ |
2599 | /* the latter happens when a new coro has been started */ |
2697 | /* the latter happens when a new coro has been started */ |
2600 | /* or when a new cctx was attached to an existing coroutine */ |
2698 | /* or when a new cctx was attached to an existing coroutine */ |
2601 | if (expect_true (!slf_frame.prepare)) |
2699 | if (ecb_expect_true (!slf_frame.prepare)) |
2602 | { |
2700 | { |
2603 | /* first iteration */ |
2701 | /* first iteration */ |
2604 | dSP; |
2702 | dSP; |
2605 | SV **arg = PL_stack_base + TOPMARK + 1; |
2703 | SV **arg = PL_stack_base + TOPMARK + 1; |
2606 | int items = SP - arg; /* args without function object */ |
2704 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2647 | while (slf_frame.check (aTHX_ &slf_frame)); |
2745 | while (slf_frame.check (aTHX_ &slf_frame)); |
2648 | |
2746 | |
2649 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2747 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2650 | |
2748 | |
2651 | /* exception handling */ |
2749 | /* exception handling */ |
2652 | if (expect_false (CORO_THROW)) |
2750 | if (ecb_expect_false (CORO_THROW)) |
2653 | { |
2751 | { |
2654 | SV *exception = sv_2mortal (CORO_THROW); |
2752 | SV *exception = sv_2mortal (CORO_THROW); |
2655 | |
2753 | |
2656 | CORO_THROW = 0; |
2754 | CORO_THROW = 0; |
2657 | sv_setsv (ERRSV, exception); |
2755 | sv_setsv (ERRSV, exception); |
… | |
… | |
2659 | } |
2757 | } |
2660 | |
2758 | |
2661 | /* return value handling - mostly like entersub */ |
2759 | /* return value handling - mostly like entersub */ |
2662 | /* make sure we put something on the stack in scalar context */ |
2760 | /* make sure we put something on the stack in scalar context */ |
2663 | if (GIMME_V == G_SCALAR |
2761 | if (GIMME_V == G_SCALAR |
2664 | && expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2762 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2665 | { |
2763 | { |
2666 | dSP; |
2764 | dSP; |
2667 | SV **bot = PL_stack_base + checkmark; |
2765 | SV **bot = PL_stack_base + checkmark; |
2668 | |
2766 | |
2669 | if (sp == bot) /* too few, push undef */ |
2767 | if (sp == bot) /* too few, push undef */ |
… | |
… | |
2774 | { |
2872 | { |
2775 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2873 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2776 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2874 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2777 | } |
2875 | } |
2778 | |
2876 | |
|
|
2877 | static void |
|
|
2878 | enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg) |
|
|
2879 | { |
|
|
2880 | if (!hook) |
|
|
2881 | return; |
|
|
2882 | |
|
|
2883 | if (!*avp) |
|
|
2884 | { |
|
|
2885 | *avp = newAV (); |
|
|
2886 | AvREAL_off (*avp); |
|
|
2887 | } |
|
|
2888 | |
|
|
2889 | av_push (*avp, (SV *)hook); |
|
|
2890 | av_push (*avp, (SV *)arg); |
|
|
2891 | } |
|
|
2892 | |
|
|
2893 | static void |
|
|
2894 | enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute) |
|
|
2895 | { |
|
|
2896 | AV *av = *avp; |
|
|
2897 | int i; |
|
|
2898 | |
|
|
2899 | if (!av) |
|
|
2900 | return; |
|
|
2901 | |
|
|
2902 | for (i = AvFILLp (av) - 1; i >= 0; i -= 2) |
|
|
2903 | if (AvARRAY (av)[i] == (SV *)hook) |
|
|
2904 | { |
|
|
2905 | if (execute) |
|
|
2906 | hook (aTHX_ (void *)AvARRAY (av)[i + 1]); |
|
|
2907 | |
|
|
2908 | memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1); |
|
|
2909 | av_pop (av); |
|
|
2910 | av_pop (av); |
|
|
2911 | break; |
|
|
2912 | } |
|
|
2913 | |
|
|
2914 | if (AvFILLp (av) >= 0) |
|
|
2915 | { |
|
|
2916 | *avp = 0; |
|
|
2917 | SvREFCNT_dec_NN (av); |
|
|
2918 | } |
|
|
2919 | } |
|
|
2920 | |
|
|
2921 | static void |
|
|
2922 | api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2923 | { |
|
|
2924 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2925 | |
|
|
2926 | if (SvSTATE_current == coro) |
|
|
2927 | if (enter) |
|
|
2928 | enter (aTHX_ enter_arg); |
|
|
2929 | |
|
|
2930 | enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg); |
|
|
2931 | enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg); |
|
|
2932 | } |
|
|
2933 | |
|
|
2934 | static void |
|
|
2935 | api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave) |
|
|
2936 | { |
|
|
2937 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2938 | |
|
|
2939 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2940 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro); |
|
|
2941 | } |
|
|
2942 | |
|
|
2943 | static void |
|
|
2944 | savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter) |
|
|
2945 | { |
|
|
2946 | struct coro *coro = SvSTATE_current; |
|
|
2947 | |
|
|
2948 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2949 | } |
|
|
2950 | |
|
|
2951 | static void |
|
|
2952 | savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave) |
|
|
2953 | { |
|
|
2954 | struct coro *coro = SvSTATE_current; |
|
|
2955 | |
|
|
2956 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1); |
|
|
2957 | } |
|
|
2958 | |
|
|
2959 | static void |
|
|
2960 | api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2961 | { |
|
|
2962 | api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg); |
|
|
2963 | |
|
|
2964 | /* this ought to be much cheaper than malloc + a single destructor call */ |
|
|
2965 | if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter); |
|
|
2966 | if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave); |
|
|
2967 | } |
|
|
2968 | |
2779 | /*****************************************************************************/ |
2969 | /*****************************************************************************/ |
2780 | /* PerlIO::cede */ |
2970 | /* PerlIO::cede */ |
2781 | |
2971 | |
2782 | typedef struct |
2972 | typedef struct |
2783 | { |
2973 | { |
2784 | PerlIOBuf base; |
2974 | PerlIOBuf base; |
2785 | NV next, every; |
2975 | NV next, every; |
2786 | } PerlIOCede; |
2976 | } PerlIOCede; |
2787 | |
2977 | |
2788 | static IV |
2978 | static IV ecb_cold |
2789 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2979 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2790 | { |
2980 | { |
2791 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2981 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2792 | |
2982 | |
2793 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2983 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2794 | self->next = nvtime () + self->every; |
2984 | self->next = nvtime () + self->every; |
2795 | |
2985 | |
2796 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2986 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2797 | } |
2987 | } |
2798 | |
2988 | |
2799 | static SV * |
2989 | static SV * ecb_cold |
2800 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2990 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2801 | { |
2991 | { |
2802 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2992 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2803 | |
2993 | |
2804 | return newSVnv (self->every); |
2994 | return newSVnv (self->every); |
… | |
… | |
2911 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
3101 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
2912 | PUTBACK; |
3102 | PUTBACK; |
2913 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
3103 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
2914 | } |
3104 | } |
2915 | |
3105 | |
2916 | SvREFCNT_dec (cb); |
3106 | SvREFCNT_dec_NN (cb); |
2917 | } |
3107 | } |
2918 | } |
3108 | } |
2919 | |
3109 | |
2920 | static void |
3110 | static void |
2921 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
3111 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
… | |
… | |
2929 | { |
3119 | { |
2930 | AV *av = (AV *)frame->data; |
3120 | AV *av = (AV *)frame->data; |
2931 | SV *count_sv = AvARRAY (av)[0]; |
3121 | SV *count_sv = AvARRAY (av)[0]; |
2932 | SV *coro_hv = SvRV (coro_current); |
3122 | SV *coro_hv = SvRV (coro_current); |
2933 | |
3123 | |
|
|
3124 | frame->destroy = 0; |
|
|
3125 | |
2934 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
3126 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2935 | if (CORO_THROW) |
3127 | if (ecb_expect_false (CORO_THROW)) |
|
|
3128 | { |
|
|
3129 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
3130 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
3131 | |
2936 | return 0; |
3132 | return 0; |
|
|
3133 | } |
2937 | else if (SvIVX (count_sv) > 0) |
3134 | else if (SvIVX (count_sv) > 0) |
2938 | { |
3135 | { |
2939 | frame->destroy = 0; |
|
|
2940 | |
|
|
2941 | if (acquire) |
3136 | if (acquire) |
2942 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
3137 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2943 | else |
3138 | else |
2944 | coro_semaphore_adjust (aTHX_ av, 0); |
3139 | coro_semaphore_adjust (aTHX_ av, 0); |
2945 | |
3140 | |
… | |
… | |
2949 | { |
3144 | { |
2950 | int i; |
3145 | int i; |
2951 | /* if we were woken up but can't down, we look through the whole */ |
3146 | /* if we were woken up but can't down, we look through the whole */ |
2952 | /* waiters list and only add us if we aren't in there already */ |
3147 | /* waiters list and only add us if we aren't in there already */ |
2953 | /* this avoids some degenerate memory usage cases */ |
3148 | /* this avoids some degenerate memory usage cases */ |
2954 | for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug |
3149 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2955 | if (AvARRAY (av)[i] == coro_hv) |
3150 | if (AvARRAY (av)[i] == coro_hv) |
2956 | return 1; |
3151 | return 1; |
2957 | |
3152 | |
2958 | av_push (av, SvREFCNT_inc (coro_hv)); |
3153 | av_push (av, SvREFCNT_inc (coro_hv)); |
2959 | return 1; |
3154 | return 1; |
… | |
… | |
3056 | { |
3251 | { |
3057 | api_ready (aTHX_ cb); |
3252 | api_ready (aTHX_ cb); |
3058 | sv_setiv (cb, 0); /* signal waiter */ |
3253 | sv_setiv (cb, 0); /* signal waiter */ |
3059 | } |
3254 | } |
3060 | |
3255 | |
3061 | SvREFCNT_dec (cb); |
3256 | SvREFCNT_dec_NN (cb); |
3062 | |
3257 | |
3063 | --count; |
3258 | --count; |
3064 | } |
3259 | } |
3065 | } |
3260 | } |
3066 | |
3261 | |
… | |
… | |
3151 | } |
3346 | } |
3152 | |
3347 | |
3153 | av_push (state, data_sv); |
3348 | av_push (state, data_sv); |
3154 | |
3349 | |
3155 | api_ready (aTHX_ coro); |
3350 | api_ready (aTHX_ coro); |
3156 | SvREFCNT_dec (coro); |
3351 | SvREFCNT_dec_NN (coro); |
3157 | SvREFCNT_dec ((AV *)state); |
3352 | SvREFCNT_dec_NN ((AV *)state); |
3158 | } |
3353 | } |
3159 | |
3354 | |
3160 | static int |
3355 | static int |
3161 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3356 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3162 | { |
3357 | { |
… | |
… | |
3167 | /* it quickly returns */ |
3362 | /* it quickly returns */ |
3168 | if (CORO_THROW) |
3363 | if (CORO_THROW) |
3169 | return 0; |
3364 | return 0; |
3170 | |
3365 | |
3171 | /* one element that is an RV? repeat! */ |
3366 | /* one element that is an RV? repeat! */ |
3172 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3367 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
3173 | return 1; |
3368 | return 1; |
3174 | |
3369 | |
3175 | /* restore status */ |
3370 | /* restore status */ |
3176 | { |
3371 | { |
3177 | SV *data_sv = av_pop (state); |
3372 | SV *data_sv = av_pop (state); |
… | |
… | |
3180 | errno = data->errorno; |
3375 | errno = data->errorno; |
3181 | PL_laststype = data->laststype; |
3376 | PL_laststype = data->laststype; |
3182 | PL_laststatval = data->laststatval; |
3377 | PL_laststatval = data->laststatval; |
3183 | PL_statcache = data->statcache; |
3378 | PL_statcache = data->statcache; |
3184 | |
3379 | |
3185 | SvREFCNT_dec (data_sv); |
3380 | SvREFCNT_dec_NN (data_sv); |
3186 | } |
3381 | } |
3187 | |
3382 | |
3188 | /* push result values */ |
3383 | /* push result values */ |
3189 | { |
3384 | { |
3190 | dSP; |
3385 | dSP; |
… | |
… | |
3216 | dSP; |
3411 | dSP; |
3217 | |
3412 | |
3218 | static SV *prio_cv; |
3413 | static SV *prio_cv; |
3219 | static SV *prio_sv; |
3414 | static SV *prio_sv; |
3220 | |
3415 | |
3221 | if (expect_false (!prio_cv)) |
3416 | if (ecb_expect_false (!prio_cv)) |
3222 | { |
3417 | { |
3223 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3418 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3224 | prio_sv = newSViv (0); |
3419 | prio_sv = newSViv (0); |
3225 | } |
3420 | } |
3226 | |
3421 | |
… | |
… | |
3332 | } |
3527 | } |
3333 | |
3528 | |
3334 | return coro_sv; |
3529 | return coro_sv; |
3335 | } |
3530 | } |
3336 | |
3531 | |
|
|
3532 | #ifndef __cplusplus |
|
|
3533 | ecb_cold XS(boot_Coro__State); |
|
|
3534 | #endif |
|
|
3535 | |
|
|
3536 | #if CORO_JIT |
|
|
3537 | |
|
|
3538 | static void ecb_noinline ecb_cold |
|
|
3539 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3540 | { |
|
|
3541 | dSP; |
|
|
3542 | AV *av = newAV (); |
|
|
3543 | |
|
|
3544 | av_store (av, 3, newSVuv (d)); |
|
|
3545 | av_store (av, 2, newSVuv (c)); |
|
|
3546 | av_store (av, 1, newSVuv (b)); |
|
|
3547 | av_store (av, 0, newSVuv (a)); |
|
|
3548 | |
|
|
3549 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3550 | |
|
|
3551 | PUTBACK; |
|
|
3552 | } |
|
|
3553 | |
|
|
3554 | static void ecb_noinline ecb_cold |
|
|
3555 | jit_init (pTHX) |
|
|
3556 | { |
|
|
3557 | dSP; |
|
|
3558 | SV *load, *save; |
|
|
3559 | char *map_base; |
|
|
3560 | char *load_ptr, *save_ptr; |
|
|
3561 | STRLEN load_len, save_len, map_len; |
|
|
3562 | int count; |
|
|
3563 | |
|
|
3564 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3565 | |
|
|
3566 | PUSHMARK (SP); |
|
|
3567 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3568 | #include "state.h" |
|
|
3569 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3570 | SPAGAIN; |
|
|
3571 | |
|
|
3572 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3573 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3574 | |
|
|
3575 | map_len = load_len + save_len + 16; |
|
|
3576 | |
|
|
3577 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3578 | |
|
|
3579 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3580 | |
|
|
3581 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3582 | memcpy (map_base, load_ptr, load_len); |
|
|
3583 | |
|
|
3584 | map_base += (load_len + 15) & ~15; |
|
|
3585 | |
|
|
3586 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3587 | memcpy (map_base, save_ptr, save_len); |
|
|
3588 | |
|
|
3589 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3590 | /* hackers might have it a bit more difficult */ |
|
|
3591 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3592 | |
|
|
3593 | PUTBACK; |
|
|
3594 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3595 | } |
|
|
3596 | |
|
|
3597 | #endif |
|
|
3598 | |
3337 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3599 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3338 | |
3600 | |
3339 | PROTOTYPES: DISABLE |
3601 | PROTOTYPES: DISABLE |
3340 | |
3602 | |
3341 | BOOT: |
3603 | BOOT: |
3342 | { |
3604 | { |
|
|
3605 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3606 | #include "state.h" |
3343 | #ifdef USE_ITHREADS |
3607 | #ifdef USE_ITHREADS |
3344 | # if CORO_PTHREAD |
3608 | # if CORO_PTHREAD |
3345 | coro_thx = PERL_GET_CONTEXT; |
3609 | coro_thx = PERL_GET_CONTEXT; |
3346 | # endif |
3610 | # endif |
3347 | #endif |
3611 | #endif |
3348 | BOOT_PAGESIZE; |
3612 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3613 | /* just create them one at init time is not clear to me, except for */ |
|
|
3614 | /* programs trying to delete them, but... */ |
|
|
3615 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3616 | DEFSV; |
|
|
3617 | ERRSV; |
3349 | |
3618 | |
3350 | cctx_current = cctx_new_empty (); |
3619 | cctx_current = cctx_new_empty (); |
3351 | |
3620 | |
3352 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3621 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3353 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3622 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3354 | |
3623 | |
3355 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3624 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3356 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3625 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3357 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
3626 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
3358 | |
3627 | |
3359 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
3360 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3628 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3361 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3629 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3362 | |
3630 | |
3363 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3631 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3364 | |
3632 | |
… | |
… | |
3396 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3664 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3397 | |
3665 | |
3398 | time_init (aTHX); |
3666 | time_init (aTHX); |
3399 | |
3667 | |
3400 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3668 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3669 | #if CORO_JIT |
|
|
3670 | PUTBACK; |
|
|
3671 | jit_init (aTHX); |
|
|
3672 | SPAGAIN; |
|
|
3673 | #endif |
3401 | } |
3674 | } |
3402 | |
3675 | |
3403 | SV * |
3676 | SV * |
3404 | new (SV *klass, ...) |
3677 | new (SV *klass, ...) |
3405 | ALIAS: |
3678 | ALIAS: |
… | |
… | |
3412 | void |
3685 | void |
3413 | transfer (...) |
3686 | transfer (...) |
3414 | PROTOTYPE: $$ |
3687 | PROTOTYPE: $$ |
3415 | CODE: |
3688 | CODE: |
3416 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3689 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3417 | |
|
|
3418 | void |
|
|
3419 | _exit (int code) |
|
|
3420 | PROTOTYPE: $ |
|
|
3421 | CODE: |
|
|
3422 | _exit (code); |
|
|
3423 | |
3690 | |
3424 | SV * |
3691 | SV * |
3425 | clone (Coro::State coro) |
3692 | clone (Coro::State coro) |
3426 | CODE: |
3693 | CODE: |
3427 | { |
3694 | { |
… | |
… | |
3482 | void |
3749 | void |
3483 | list () |
3750 | list () |
3484 | PROTOTYPE: |
3751 | PROTOTYPE: |
3485 | PPCODE: |
3752 | PPCODE: |
3486 | { |
3753 | { |
3487 | struct coro *coro; |
3754 | struct coro *coro; |
3488 | for (coro = coro_first; coro; coro = coro->next) |
3755 | for (coro = coro_first; coro; coro = coro->next) |
3489 | if (coro->hv) |
3756 | if (coro->hv) |
3490 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3757 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3491 | } |
3758 | } |
3492 | |
3759 | |
… | |
… | |
3547 | PROTOTYPE: $ |
3814 | PROTOTYPE: $ |
3548 | ALIAS: |
3815 | ALIAS: |
3549 | is_ready = CF_READY |
3816 | is_ready = CF_READY |
3550 | is_running = CF_RUNNING |
3817 | is_running = CF_RUNNING |
3551 | is_new = CF_NEW |
3818 | is_new = CF_NEW |
3552 | is_destroyed = CF_DESTROYED |
3819 | is_destroyed = CF_ZOMBIE |
|
|
3820 | is_zombie = CF_ZOMBIE |
3553 | is_suspended = CF_SUSPENDED |
3821 | is_suspended = CF_SUSPENDED |
3554 | CODE: |
3822 | CODE: |
3555 | RETVAL = boolSV (coro->flags & ix); |
3823 | RETVAL = boolSV (coro->flags & ix); |
3556 | OUTPUT: |
3824 | OUTPUT: |
3557 | RETVAL |
3825 | RETVAL |
3558 | |
3826 | |
3559 | void |
3827 | void |
3560 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3828 | throw (SV *self, SV *exception = &PL_sv_undef) |
3561 | PROTOTYPE: $;$ |
3829 | PROTOTYPE: $;$ |
3562 | CODE: |
3830 | CODE: |
3563 | { |
3831 | { |
|
|
3832 | struct coro *coro = SvSTATE (self); |
3564 | struct coro *current = SvSTATE_current; |
3833 | struct coro *current = SvSTATE_current; |
3565 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3834 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3566 | SvREFCNT_dec (*exceptionp); |
3835 | SvREFCNT_dec (*exceptionp); |
3567 | SvGETMAGIC (exception); |
3836 | SvGETMAGIC (exception); |
3568 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3837 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3838 | |
|
|
3839 | api_ready (aTHX_ self); |
3569 | } |
3840 | } |
3570 | |
3841 | |
3571 | void |
3842 | void |
3572 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3843 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3573 | PROTOTYPE: $;$ |
3844 | PROTOTYPE: $;$ |
… | |
… | |
3650 | |
3921 | |
3651 | void |
3922 | void |
3652 | times (Coro::State self) |
3923 | times (Coro::State self) |
3653 | PPCODE: |
3924 | PPCODE: |
3654 | { |
3925 | { |
3655 | struct coro *current = SvSTATE (coro_current); |
3926 | struct coro *current = SvSTATE (coro_current); |
3656 | |
3927 | |
3657 | if (expect_false (current == self)) |
3928 | if (ecb_expect_false (current == self)) |
3658 | { |
3929 | { |
3659 | coro_times_update (); |
3930 | coro_times_update (); |
3660 | coro_times_add (SvSTATE (coro_current)); |
3931 | coro_times_add (SvSTATE (coro_current)); |
3661 | } |
3932 | } |
3662 | |
3933 | |
3663 | EXTEND (SP, 2); |
3934 | EXTEND (SP, 2); |
3664 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3935 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3665 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3936 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3666 | |
3937 | |
3667 | if (expect_false (current == self)) |
3938 | if (ecb_expect_false (current == self)) |
3668 | coro_times_sub (SvSTATE (coro_current)); |
3939 | coro_times_sub (SvSTATE (coro_current)); |
3669 | } |
3940 | } |
3670 | |
3941 | |
3671 | void |
3942 | void |
3672 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3943 | swap_sv (Coro::State coro, SV *sva, SV *svb) |
3673 | CODE: |
3944 | CODE: |
3674 | { |
3945 | { |
3675 | struct coro *current = SvSTATE_current; |
3946 | struct coro *current = SvSTATE_current; |
|
|
3947 | AV *swap_sv; |
|
|
3948 | int i; |
|
|
3949 | |
|
|
3950 | sva = SvRV (sva); |
|
|
3951 | svb = SvRV (svb); |
3676 | |
3952 | |
3677 | if (current == coro) |
3953 | if (current == coro) |
3678 | SWAP_SVS (current); |
3954 | SWAP_SVS_LEAVE (current); |
3679 | |
3955 | |
3680 | if (!coro->swap_sv) |
3956 | if (!coro->swap_sv) |
3681 | coro->swap_sv = newAV (); |
3957 | coro->swap_sv = newAV (); |
3682 | |
3958 | |
|
|
3959 | swap_sv = coro->swap_sv; |
|
|
3960 | |
|
|
3961 | for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2) |
|
|
3962 | { |
|
|
3963 | SV *a = AvARRAY (swap_sv)[i ]; |
|
|
3964 | SV *b = AvARRAY (swap_sv)[i + 1]; |
|
|
3965 | |
|
|
3966 | if (a == sva && b == svb) |
|
|
3967 | { |
|
|
3968 | SvREFCNT_dec_NN (a); |
|
|
3969 | SvREFCNT_dec_NN (b); |
|
|
3970 | |
|
|
3971 | for (; i <= AvFILLp (swap_sv) - 2; i++) |
|
|
3972 | AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2]; |
|
|
3973 | |
|
|
3974 | AvFILLp (swap_sv) -= 2; |
|
|
3975 | |
|
|
3976 | goto removed; |
|
|
3977 | } |
|
|
3978 | } |
|
|
3979 | |
3683 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
3980 | av_push (swap_sv, SvREFCNT_inc_NN (sva)); |
3684 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
3981 | av_push (swap_sv, SvREFCNT_inc_NN (svb)); |
|
|
3982 | |
|
|
3983 | removed: |
3685 | |
3984 | |
3686 | if (current == coro) |
3985 | if (current == coro) |
3687 | SWAP_SVS (current); |
3986 | SWAP_SVS_ENTER (current); |
3688 | } |
3987 | } |
3689 | |
3988 | |
3690 | |
3989 | |
3691 | MODULE = Coro::State PACKAGE = Coro |
3990 | MODULE = Coro::State PACKAGE = Coro |
3692 | |
3991 | |
3693 | BOOT: |
3992 | BOOT: |
3694 | { |
3993 | { |
|
|
3994 | if (SVt_LAST > 32) |
|
|
3995 | croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment"); |
|
|
3996 | |
3695 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3997 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3696 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3998 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3697 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3999 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3698 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
4000 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3699 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
4001 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
… | |
… | |
3703 | |
4005 | |
3704 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
4006 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3705 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
4007 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3706 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
4008 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3707 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
4009 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3708 | |
4010 | |
3709 | coro_stash = gv_stashpv ("Coro", TRUE); |
4011 | coro_stash = gv_stashpv ("Coro", TRUE); |
3710 | |
4012 | |
3711 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
4013 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3712 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
4014 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3713 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
4015 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3725 | coroapi.ready = api_ready; |
4027 | coroapi.ready = api_ready; |
3726 | coroapi.is_ready = api_is_ready; |
4028 | coroapi.is_ready = api_is_ready; |
3727 | coroapi.nready = coro_nready; |
4029 | coroapi.nready = coro_nready; |
3728 | coroapi.current = coro_current; |
4030 | coroapi.current = coro_current; |
3729 | |
4031 | |
|
|
4032 | coroapi.enterleave_hook = api_enterleave_hook; |
|
|
4033 | coroapi.enterleave_unhook = api_enterleave_unhook; |
|
|
4034 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
|
|
4035 | |
3730 | /*GCoroAPI = &coroapi;*/ |
4036 | /*GCoroAPI = &coroapi;*/ |
3731 | sv_setiv (sv, (IV)&coroapi); |
4037 | sv_setiv (sv, (IV)&coroapi); |
3732 | SvREADONLY_on (sv); |
4038 | SvREADONLY_on (sv); |
3733 | } |
4039 | } |
3734 | } |
4040 | } |
… | |
… | |
3799 | |
4105 | |
3800 | void |
4106 | void |
3801 | _set_current (SV *current) |
4107 | _set_current (SV *current) |
3802 | PROTOTYPE: $ |
4108 | PROTOTYPE: $ |
3803 | CODE: |
4109 | CODE: |
3804 | SvREFCNT_dec (SvRV (coro_current)); |
4110 | SvREFCNT_dec_NN (SvRV (coro_current)); |
3805 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
4111 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
3806 | |
4112 | |
3807 | void |
4113 | void |
3808 | _set_readyhook (SV *hook) |
4114 | _set_readyhook (SV *hook) |
3809 | PROTOTYPE: $ |
4115 | PROTOTYPE: $ |
… | |
… | |
3893 | |
4199 | |
3894 | if ((SV *)hv == &PL_sv_undef) |
4200 | if ((SV *)hv == &PL_sv_undef) |
3895 | { |
4201 | { |
3896 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
4202 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3897 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
4203 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
3898 | SvREFCNT_dec (sv); |
4204 | SvREFCNT_dec_NN (sv); |
3899 | } |
4205 | } |
3900 | |
4206 | |
3901 | { |
4207 | { |
3902 | struct coro *coro = SvSTATE_hv (hv); |
4208 | struct coro *coro = SvSTATE_hv (hv); |
3903 | |
4209 | |
… | |
… | |
3910 | api_ready (aTHX_ (SV *)hv); |
4216 | api_ready (aTHX_ (SV *)hv); |
3911 | |
4217 | |
3912 | if (GIMME_V != G_VOID) |
4218 | if (GIMME_V != G_VOID) |
3913 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4219 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
3914 | else |
4220 | else |
3915 | SvREFCNT_dec (hv); |
4221 | SvREFCNT_dec_NN (hv); |
3916 | } |
4222 | } |
3917 | |
4223 | |
3918 | SV * |
4224 | SV * |
3919 | rouse_cb () |
4225 | rouse_cb () |
3920 | PROTOTYPE: |
4226 | PROTOTYPE: |
… | |
… | |
3935 | on_leave = 1 |
4241 | on_leave = 1 |
3936 | PROTOTYPE: & |
4242 | PROTOTYPE: & |
3937 | CODE: |
4243 | CODE: |
3938 | { |
4244 | { |
3939 | struct coro *coro = SvSTATE_current; |
4245 | struct coro *coro = SvSTATE_current; |
3940 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4246 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3941 | |
4247 | |
3942 | block = s_get_cv_croak (block); |
4248 | block = s_get_cv_croak (block); |
3943 | |
4249 | |
3944 | if (!*avp) |
4250 | if (!*avp) |
3945 | *avp = newAV (); |
4251 | *avp = newAV (); |
… | |
… | |
3965 | |
4271 | |
3966 | SV * |
4272 | SV * |
3967 | new (SV *klass, SV *count = 0) |
4273 | new (SV *klass, SV *count = 0) |
3968 | CODE: |
4274 | CODE: |
3969 | { |
4275 | { |
3970 | int semcnt = 1; |
4276 | int semcnt = 1; |
3971 | |
4277 | |
3972 | if (count) |
4278 | if (count) |
3973 | { |
4279 | { |
3974 | SvGETMAGIC (count); |
4280 | SvGETMAGIC (count); |
3975 | |
4281 | |
… | |
… | |
3999 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4305 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4000 | OUTPUT: |
4306 | OUTPUT: |
4001 | RETVAL |
4307 | RETVAL |
4002 | |
4308 | |
4003 | void |
4309 | void |
4004 | up (SV *self, int adjust = 1) |
4310 | up (SV *self) |
4005 | ALIAS: |
|
|
4006 | adjust = 1 |
|
|
4007 | CODE: |
4311 | CODE: |
|
|
4312 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1); |
|
|
4313 | |
|
|
4314 | void |
|
|
4315 | adjust (SV *self, int adjust) |
|
|
4316 | CODE: |
4008 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
4317 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust); |
4009 | |
4318 | |
4010 | void |
4319 | void |
4011 | down (...) |
4320 | down (...) |
4012 | CODE: |
4321 | CODE: |
4013 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
4322 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
… | |
… | |
4035 | XSRETURN_NO; |
4344 | XSRETURN_NO; |
4036 | } |
4345 | } |
4037 | |
4346 | |
4038 | void |
4347 | void |
4039 | waiters (SV *self) |
4348 | waiters (SV *self) |
4040 | PPCODE: |
4349 | PPCODE: |
4041 | { |
4350 | { |
4042 | AV *av = (AV *)SvRV (self); |
4351 | AV *av = (AV *)SvRV (self); |
4043 | int wcount = AvFILLp (av) + 1 - 1; |
4352 | int wcount = AvFILLp (av) + 1 - 1; |
4044 | |
4353 | |
4045 | if (GIMME_V == G_SCALAR) |
4354 | if (GIMME_V == G_SCALAR) |
… | |
… | |
4054 | } |
4363 | } |
4055 | |
4364 | |
4056 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4365 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4057 | |
4366 | |
4058 | void |
4367 | void |
4059 | _may_delete (SV *sem, int count, int extra_refs) |
4368 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4060 | PPCODE: |
4369 | PPCODE: |
4061 | { |
4370 | { |
4062 | AV *av = (AV *)SvRV (sem); |
4371 | AV *av = (AV *)SvRV (sem); |
4063 | |
4372 | |
4064 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4373 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4065 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4374 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4066 | && SvIV (AvARRAY (av)[0]) == count) |
4375 | && SvIV (AvARRAY (av)[0]) == count) |
4067 | XSRETURN_YES; |
4376 | XSRETURN_YES; |
… | |
… | |
4088 | |
4397 | |
4089 | void |
4398 | void |
4090 | broadcast (SV *self) |
4399 | broadcast (SV *self) |
4091 | CODE: |
4400 | CODE: |
4092 | { |
4401 | { |
4093 | AV *av = (AV *)SvRV (self); |
4402 | AV *av = (AV *)SvRV (self); |
4094 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4403 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4095 | } |
4404 | } |
4096 | |
4405 | |
4097 | void |
4406 | void |
4098 | send (SV *self) |
4407 | send (SV *self) |
… | |
… | |
4106 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4415 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4107 | } |
4416 | } |
4108 | |
4417 | |
4109 | IV |
4418 | IV |
4110 | awaited (SV *self) |
4419 | awaited (SV *self) |
4111 | CODE: |
4420 | CODE: |
4112 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4421 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4113 | OUTPUT: |
4422 | OUTPUT: |
4114 | RETVAL |
4423 | RETVAL |
4115 | |
4424 | |
4116 | |
4425 | |
… | |
… | |
4121 | |
4430 | |
4122 | void |
4431 | void |
4123 | _schedule (...) |
4432 | _schedule (...) |
4124 | CODE: |
4433 | CODE: |
4125 | { |
4434 | { |
4126 | static int incede; |
4435 | static int incede; |
4127 | |
4436 | |
4128 | api_cede_notself (aTHX); |
4437 | api_cede_notself (aTHX); |
4129 | |
4438 | |
4130 | ++incede; |
4439 | ++incede; |
4131 | while (coro_nready >= incede && api_cede (aTHX)) |
4440 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
4175 | { |
4484 | { |
4176 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4485 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4177 | coro_old_pp_sselect = 0; |
4486 | coro_old_pp_sselect = 0; |
4178 | } |
4487 | } |
4179 | |
4488 | |
|
|
4489 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4490 | |
|
|
4491 | void |
|
|
4492 | _exit (int code) |
|
|
4493 | CODE: |
|
|
4494 | _exit (code); |
|
|
4495 | |
|
|
4496 | NV |
|
|
4497 | time () |
|
|
4498 | CODE: |
|
|
4499 | RETVAL = nvtime (aTHX); |
|
|
4500 | OUTPUT: |
|
|
4501 | RETVAL |
|
|
4502 | |
|
|
4503 | NV |
|
|
4504 | gettimeofday () |
|
|
4505 | PPCODE: |
|
|
4506 | { |
|
|
4507 | UV tv [2]; |
|
|
4508 | u2time (aTHX_ tv); |
|
|
4509 | EXTEND (SP, 2); |
|
|
4510 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4511 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4512 | } |
|
|
4513 | |