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 |
… | |
… | |
12 | #include "perl.h" |
12 | #include "perl.h" |
13 | #include "XSUB.h" |
13 | #include "XSUB.h" |
14 | #include "perliol.h" |
14 | #include "perliol.h" |
15 | |
15 | |
16 | #include "schmorp.h" |
16 | #include "schmorp.h" |
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17 | |
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18 | #define ECB_NO_THREADS 1 |
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19 | #define ECB_NO_LIBM 1 |
17 | #include "ecb.h" |
20 | #include "ecb.h" |
18 | |
21 | |
19 | #include <stddef.h> |
22 | #include <stddef.h> |
20 | #include <stdio.h> |
23 | #include <stdio.h> |
21 | #include <errno.h> |
24 | #include <errno.h> |
22 | #include <assert.h> |
25 | #include <assert.h> |
23 | |
26 | |
24 | #ifndef SVs_PADSTALE |
27 | #ifndef SVs_PADSTALE |
25 | # define SVs_PADSTALE 0 |
28 | # define SVs_PADSTALE 0 |
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29 | #endif |
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30 | |
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31 | #ifdef PadARRAY |
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32 | # define NEWPADAPI 1 |
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33 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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34 | #else |
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35 | typedef AV PADNAMELIST; |
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36 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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37 | typedef AV PADLIST; |
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38 | typedef AV PAD; |
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39 | # endif |
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40 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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41 | # define PadlistMAX(pl) AvFILLp (pl) |
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42 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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43 | # define PadARRAY AvARRAY |
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44 | # define PadMAX AvFILLp |
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45 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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46 | #endif |
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47 | |
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48 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
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49 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
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50 | #if PERL_VERSION_ATLEAST(5,19,0) |
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51 | # define SVt_BIND SVt_IV |
26 | #endif |
52 | #endif |
27 | |
53 | |
28 | #if defined(_WIN32) |
54 | #if defined(_WIN32) |
29 | # undef HAS_GETTIMEOFDAY |
55 | # undef HAS_GETTIMEOFDAY |
30 | # undef setjmp |
56 | # undef setjmp |
… | |
… | |
33 | # define setjmp _setjmp /* deep magic */ |
59 | # define setjmp _setjmp /* deep magic */ |
34 | #else |
60 | #else |
35 | # include <inttypes.h> /* most portable stdint.h */ |
61 | # include <inttypes.h> /* most portable stdint.h */ |
36 | #endif |
62 | #endif |
37 | |
63 | |
38 | #ifdef HAVE_MMAP |
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39 | # include <unistd.h> |
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40 | # include <sys/mman.h> |
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41 | # ifndef MAP_ANONYMOUS |
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42 | # ifdef MAP_ANON |
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43 | # define MAP_ANONYMOUS MAP_ANON |
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44 | # else |
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45 | # undef HAVE_MMAP |
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46 | # endif |
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47 | # endif |
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48 | # include <limits.h> |
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49 | # ifndef PAGESIZE |
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50 | # define PAGESIZE pagesize |
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51 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
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52 | static long pagesize; |
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53 | # else |
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54 | # define BOOT_PAGESIZE (void)0 |
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55 | # endif |
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56 | #else |
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57 | # define PAGESIZE 0 |
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58 | # define BOOT_PAGESIZE (void)0 |
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59 | #endif |
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60 | |
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61 | #if CORO_USE_VALGRIND |
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62 | # include <valgrind/valgrind.h> |
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63 | #endif |
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64 | |
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|
65 | /* the maximum number of idle cctx that will be pooled */ |
64 | /* the maximum number of idle cctx that will be pooled */ |
66 | static int cctx_max_idle = 4; |
65 | static int cctx_max_idle = 4; |
67 | |
66 | |
68 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
67 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
69 | # undef CORO_STACKGUARD |
68 | # define HAS_SCOPESTACK_NAME 1 |
70 | #endif |
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71 | |
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72 | #ifndef CORO_STACKGUARD |
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73 | # define CORO_STACKGUARD 0 |
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74 | #endif |
69 | #endif |
75 | |
70 | |
76 | /* prefer perl internal functions over our own? */ |
71 | /* prefer perl internal functions over our own? */ |
77 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
72 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
78 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
73 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
169 | typedef struct coro_cctx |
164 | typedef struct coro_cctx |
170 | { |
165 | { |
171 | struct coro_cctx *next; |
166 | struct coro_cctx *next; |
172 | |
167 | |
173 | /* the stack */ |
168 | /* the stack */ |
174 | void *sptr; |
169 | struct coro_stack stack; |
175 | size_t ssize; |
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176 | |
170 | |
177 | /* cpu state */ |
171 | /* cpu state */ |
178 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
172 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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173 | #ifndef NDEBUG |
179 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
174 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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175 | #endif |
180 | JMPENV *top_env; |
176 | JMPENV *top_env; |
181 | coro_context cctx; |
177 | coro_context cctx; |
182 | |
178 | |
183 | U32 gen; |
179 | U32 gen; |
184 | #if CORO_USE_VALGRIND |
180 | #if CORO_USE_VALGRIND |
… | |
… | |
204 | }; |
200 | }; |
205 | |
201 | |
206 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
202 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
207 | typedef struct |
203 | typedef struct |
208 | { |
204 | { |
209 | SV *defsv; |
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210 | AV *defav; |
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211 | SV *errsv; |
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212 | SV *irsgv; |
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213 | HV *hinthv; |
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214 | #define VAR(name,type) type name; |
205 | #define VARx(name,expr,type) type name; |
215 | # include "state.h" |
206 | #include "state.h" |
216 | #undef VAR |
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|
217 | } perl_slots; |
207 | } perl_slots; |
218 | |
208 | |
219 | // how many context stack entries do we need for perl_slots |
209 | /* how many context stack entries do we need for perl_slots */ |
220 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
210 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
221 | |
211 | |
222 | /* this is a structure representing a perl-level coroutine */ |
212 | /* this is a structure representing a perl-level coroutine */ |
223 | struct coro |
213 | struct coro |
224 | { |
214 | { |
… | |
… | |
290 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
280 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
291 | static CV *cv_coro_run; |
281 | static CV *cv_coro_run; |
292 | static struct coro *coro_first; |
282 | static struct coro *coro_first; |
293 | #define coro_nready coroapi.nready |
283 | #define coro_nready coroapi.nready |
294 | |
284 | |
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|
285 | /** JIT *********************************************************************/ |
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286 | |
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287 | #if CORO_JIT |
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288 | /* APPLE doesn't have mmap though */ |
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289 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
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290 | #ifndef CORO_JIT_TYPE |
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291 | #if ECB_AMD64 && CORO_JIT_UNIXY |
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292 | #define CORO_JIT_TYPE "amd64-unix" |
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293 | #elif __i386 && CORO_JIT_UNIXY |
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294 | #define CORO_JIT_TYPE "x86-unix" |
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295 | #endif |
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296 | #endif |
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297 | #endif |
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298 | |
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299 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
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300 | #undef CORO_JIT |
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|
301 | #endif |
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302 | |
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|
303 | #if CORO_JIT |
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|
304 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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305 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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306 | #endif |
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307 | |
295 | /** Coro::Select ************************************************************/ |
308 | /** Coro::Select ************************************************************/ |
296 | |
309 | |
297 | static OP *(*coro_old_pp_sselect) (pTHX); |
310 | static OP *(*coro_old_pp_sselect) (pTHX); |
298 | static SV *coro_select_select; |
311 | static SV *coro_select_select; |
299 | |
312 | |
… | |
… | |
314 | |
327 | |
315 | /** time stuff **************************************************************/ |
328 | /** time stuff **************************************************************/ |
316 | |
329 | |
317 | #ifdef HAS_GETTIMEOFDAY |
330 | #ifdef HAS_GETTIMEOFDAY |
318 | |
331 | |
319 | ECB_INLINE void |
332 | ecb_inline void |
320 | coro_u2time (pTHX_ UV ret[2]) |
333 | coro_u2time (pTHX_ UV ret[2]) |
321 | { |
334 | { |
322 | struct timeval tv; |
335 | struct timeval tv; |
323 | gettimeofday (&tv, 0); |
336 | gettimeofday (&tv, 0); |
324 | |
337 | |
325 | ret [0] = tv.tv_sec; |
338 | ret [0] = tv.tv_sec; |
326 | ret [1] = tv.tv_usec; |
339 | ret [1] = tv.tv_usec; |
327 | } |
340 | } |
328 | |
341 | |
329 | ECB_INLINE double |
342 | ecb_inline double |
330 | coro_nvtime () |
343 | coro_nvtime (void) |
331 | { |
344 | { |
332 | struct timeval tv; |
345 | struct timeval tv; |
333 | gettimeofday (&tv, 0); |
346 | gettimeofday (&tv, 0); |
334 | |
347 | |
335 | return tv.tv_sec + tv.tv_usec * 1e-6; |
348 | return tv.tv_sec + tv.tv_usec * 1e-6; |
336 | } |
349 | } |
337 | |
350 | |
338 | ECB_INLINE void |
351 | ecb_inline void |
339 | time_init (pTHX) |
352 | time_init (pTHX) |
340 | { |
353 | { |
341 | nvtime = coro_nvtime; |
354 | nvtime = coro_nvtime; |
342 | u2time = coro_u2time; |
355 | u2time = coro_u2time; |
343 | } |
356 | } |
344 | |
357 | |
345 | #else |
358 | #else |
346 | |
359 | |
347 | ECB_INLINE void |
360 | ecb_inline void |
348 | time_init (pTHX) |
361 | time_init (pTHX) |
349 | { |
362 | { |
350 | SV **svp; |
363 | SV **svp; |
351 | |
364 | |
352 | require_pv ("Time/HiRes.pm"); |
365 | require_pv ("Time/HiRes.pm"); |
353 | |
366 | |
354 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
367 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
355 | |
368 | |
356 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
369 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
357 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
370 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
358 | |
371 | |
… | |
… | |
394 | get_hv (name, create); |
407 | get_hv (name, create); |
395 | #endif |
408 | #endif |
396 | return get_hv (name, create); |
409 | return get_hv (name, create); |
397 | } |
410 | } |
398 | |
411 | |
399 | ECB_INLINE void |
412 | ecb_inline void |
400 | coro_times_update () |
413 | coro_times_update (void) |
401 | { |
414 | { |
402 | #ifdef coro_clock_gettime |
415 | #ifdef coro_clock_gettime |
403 | struct timespec ts; |
416 | struct timespec ts; |
404 | |
417 | |
405 | ts.tv_sec = ts.tv_nsec = 0; |
418 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
417 | time_real [0] = tv [0]; |
430 | time_real [0] = tv [0]; |
418 | time_real [1] = tv [1] * 1000; |
431 | time_real [1] = tv [1] * 1000; |
419 | #endif |
432 | #endif |
420 | } |
433 | } |
421 | |
434 | |
422 | ECB_INLINE void |
435 | ecb_inline void |
423 | coro_times_add (struct coro *c) |
436 | coro_times_add (struct coro *c) |
424 | { |
437 | { |
425 | c->t_real [1] += time_real [1]; |
438 | c->t_real [1] += time_real [1]; |
426 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
439 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
427 | c->t_real [0] += time_real [0]; |
440 | c->t_real [0] += time_real [0]; |
… | |
… | |
429 | c->t_cpu [1] += time_cpu [1]; |
442 | c->t_cpu [1] += time_cpu [1]; |
430 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
443 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
431 | c->t_cpu [0] += time_cpu [0]; |
444 | c->t_cpu [0] += time_cpu [0]; |
432 | } |
445 | } |
433 | |
446 | |
434 | ECB_INLINE void |
447 | ecb_inline void |
435 | coro_times_sub (struct coro *c) |
448 | coro_times_sub (struct coro *c) |
436 | { |
449 | { |
437 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
450 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
438 | c->t_real [1] -= time_real [1]; |
451 | c->t_real [1] -= time_real [1]; |
439 | c->t_real [0] -= time_real [0]; |
452 | c->t_real [0] -= time_real [0]; |
… | |
… | |
460 | : 0) |
473 | : 0) |
461 | |
474 | |
462 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
475 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
463 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
476 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
464 | |
477 | |
465 | ECB_INLINE MAGIC * |
478 | ecb_inline MAGIC * |
466 | SvSTATEhv_p (pTHX_ SV *coro) |
479 | SvSTATEhv_p (pTHX_ SV *coro) |
467 | { |
480 | { |
468 | MAGIC *mg; |
481 | MAGIC *mg; |
469 | |
482 | |
470 | if (ecb_expect_true ( |
483 | if (ecb_expect_true ( |
… | |
… | |
475 | return mg; |
488 | return mg; |
476 | |
489 | |
477 | return 0; |
490 | return 0; |
478 | } |
491 | } |
479 | |
492 | |
480 | ECB_INLINE struct coro * |
493 | ecb_inline struct coro * |
481 | SvSTATE_ (pTHX_ SV *coro) |
494 | SvSTATE_ (pTHX_ SV *coro) |
482 | { |
495 | { |
483 | MAGIC *mg; |
496 | MAGIC *mg; |
484 | |
497 | |
485 | if (SvROK (coro)) |
498 | if (SvROK (coro)) |
… | |
… | |
499 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
512 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
500 | |
513 | |
501 | /*****************************************************************************/ |
514 | /*****************************************************************************/ |
502 | /* padlist management and caching */ |
515 | /* padlist management and caching */ |
503 | |
516 | |
504 | ECB_INLINE AV * |
517 | ecb_inline PADLIST * |
505 | coro_derive_padlist (pTHX_ CV *cv) |
518 | coro_derive_padlist (pTHX_ CV *cv) |
506 | { |
519 | { |
507 | AV *padlist = CvPADLIST (cv); |
520 | PADLIST *padlist = CvPADLIST (cv); |
508 | AV *newpadlist, *newpad; |
521 | PADLIST *newpadlist; |
|
|
522 | PAD *newpad; |
|
|
523 | PADOFFSET off = PadlistMAX (padlist) + 1; |
509 | |
524 | |
510 | newpadlist = newAV (); |
525 | #if NEWPADAPI |
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526 | |
|
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527 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
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528 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
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529 | while (!PadlistARRAY (padlist)[off - 1]) |
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530 | --off; |
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531 | |
|
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532 | Perl_pad_push (aTHX_ padlist, off); |
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533 | |
|
|
534 | newpad = PadlistARRAY (padlist)[off]; |
|
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535 | PadlistARRAY (padlist)[off] = 0; |
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536 | |
|
|
537 | #else |
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538 | |
|
|
539 | #if PERL_VERSION_ATLEAST (5,10,0) |
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540 | Perl_pad_push (aTHX_ padlist, off); |
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541 | #else |
|
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542 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
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543 | #endif |
|
|
544 | |
|
|
545 | newpad = PadlistARRAY (padlist)[off]; |
|
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546 | PadlistMAX (padlist) = off - 1; |
|
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547 | |
|
|
548 | #endif |
|
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549 | |
|
|
550 | newPADLIST (newpadlist); |
|
|
551 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
552 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
511 | AvREAL_off (newpadlist); |
553 | AvREAL_off (newpadlist); |
512 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
513 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
514 | #else |
|
|
515 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
516 | #endif |
554 | #endif |
517 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
518 | --AvFILLp (padlist); |
|
|
519 | |
555 | |
520 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
556 | /* Already extended to 2 elements by newPADLIST. */ |
521 | av_store (newpadlist, 1, (SV *)newpad); |
557 | PadlistMAX (newpadlist) = 1; |
|
|
558 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
|
|
559 | PadlistARRAY (newpadlist)[1] = newpad; |
522 | |
560 | |
523 | return newpadlist; |
561 | return newpadlist; |
524 | } |
562 | } |
525 | |
563 | |
526 | ECB_INLINE void |
564 | ecb_inline void |
527 | free_padlist (pTHX_ AV *padlist) |
565 | free_padlist (pTHX_ PADLIST *padlist) |
528 | { |
566 | { |
529 | /* may be during global destruction */ |
567 | /* may be during global destruction */ |
530 | if (!IN_DESTRUCT) |
568 | if (!IN_DESTRUCT) |
531 | { |
569 | { |
532 | I32 i = AvFILLp (padlist); |
570 | I32 i = PadlistMAX (padlist); |
533 | |
571 | |
534 | while (i > 0) /* special-case index 0 */ |
572 | while (i > 0) /* special-case index 0 */ |
535 | { |
573 | { |
536 | /* we try to be extra-careful here */ |
574 | /* we try to be extra-careful here */ |
537 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
575 | PAD *pad = PadlistARRAY (padlist)[i--]; |
538 | I32 j = AvFILLp (av); |
|
|
539 | |
576 | |
|
|
577 | if (pad) |
|
|
578 | { |
|
|
579 | I32 j = PadMAX (pad); |
|
|
580 | |
540 | while (j >= 0) |
581 | while (j >= 0) |
541 | SvREFCNT_dec (AvARRAY (av)[j--]); |
582 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
542 | |
583 | |
543 | AvFILLp (av) = -1; |
584 | PadMAX (pad) = -1; |
544 | SvREFCNT_dec (av); |
585 | SvREFCNT_dec (pad); |
|
|
586 | } |
545 | } |
587 | } |
546 | |
588 | |
547 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
589 | SvREFCNT_dec (PadlistNAMES (padlist)); |
548 | |
590 | |
|
|
591 | #if NEWPADAPI |
|
|
592 | Safefree (PadlistARRAY (padlist)); |
|
|
593 | Safefree (padlist); |
|
|
594 | #else |
549 | AvFILLp (padlist) = -1; |
595 | AvFILLp (padlist) = -1; |
|
|
596 | AvREAL_off (padlist); |
550 | SvREFCNT_dec ((SV*)padlist); |
597 | SvREFCNT_dec ((SV*)padlist); |
|
|
598 | #endif |
551 | } |
599 | } |
552 | } |
600 | } |
553 | |
601 | |
554 | static int |
602 | static int |
555 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
603 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
556 | { |
604 | { |
557 | AV *padlist; |
605 | PADLIST *padlist; |
558 | AV *av = (AV *)mg->mg_obj; |
606 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
607 | size_t len = *(size_t *)mg->mg_ptr; |
559 | |
608 | |
560 | /* perl manages to free our internal AV and _then_ call us */ |
609 | /* perl manages to free our internal AV and _then_ call us */ |
561 | if (IN_DESTRUCT) |
610 | if (IN_DESTRUCT) |
562 | return 0; |
611 | return 0; |
563 | |
612 | |
564 | /* casting is fun. */ |
613 | while (len--) |
565 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
566 | free_padlist (aTHX_ padlist); |
614 | free_padlist (aTHX_ padlists[len]); |
567 | |
|
|
568 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
569 | |
615 | |
570 | return 0; |
616 | return 0; |
571 | } |
617 | } |
572 | |
618 | |
573 | static MGVTBL coro_cv_vtbl = { |
619 | static MGVTBL coro_cv_vtbl = { |
574 | 0, 0, 0, 0, |
620 | 0, 0, 0, 0, |
575 | coro_cv_free |
621 | coro_cv_free |
576 | }; |
622 | }; |
577 | |
623 | |
578 | /* the next two functions merely cache the padlists */ |
624 | /* the next two functions merely cache the padlists */ |
579 | ECB_INLINE void |
625 | ecb_inline void |
580 | get_padlist (pTHX_ CV *cv) |
626 | get_padlist (pTHX_ CV *cv) |
581 | { |
627 | { |
582 | MAGIC *mg = CORO_MAGIC_cv (cv); |
628 | MAGIC *mg = CORO_MAGIC_cv (cv); |
583 | AV *av; |
629 | size_t *lenp; |
584 | |
630 | |
585 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
631 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
586 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
632 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
587 | else |
633 | else |
588 | { |
634 | { |
589 | #if CORO_PREFER_PERL_FUNCTIONS |
635 | #if CORO_PREFER_PERL_FUNCTIONS |
590 | /* this is probably cleaner? but also slower! */ |
636 | /* this is probably cleaner? but also slower! */ |
591 | /* in practise, it seems to be less stable */ |
637 | /* in practise, it seems to be less stable */ |
… | |
… | |
597 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
643 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
598 | #endif |
644 | #endif |
599 | } |
645 | } |
600 | } |
646 | } |
601 | |
647 | |
602 | ECB_INLINE void |
648 | ecb_inline void |
603 | put_padlist (pTHX_ CV *cv) |
649 | put_padlist (pTHX_ CV *cv) |
604 | { |
650 | { |
605 | MAGIC *mg = CORO_MAGIC_cv (cv); |
651 | MAGIC *mg = CORO_MAGIC_cv (cv); |
606 | AV *av; |
|
|
607 | |
652 | |
608 | if (ecb_expect_false (!mg)) |
653 | if (ecb_expect_false (!mg)) |
|
|
654 | { |
609 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
655 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
656 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
657 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
658 | } |
|
|
659 | else |
|
|
660 | Renew (mg->mg_ptr, |
|
|
661 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
662 | char); |
610 | |
663 | |
611 | av = (AV *)mg->mg_obj; |
664 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
612 | |
|
|
613 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
614 | av_extend (av, AvFILLp (av) + 1); |
|
|
615 | |
|
|
616 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
617 | } |
665 | } |
618 | |
666 | |
619 | /** load & save, init *******************************************************/ |
667 | /** load & save, init *******************************************************/ |
620 | |
668 | |
|
|
669 | ecb_inline void |
|
|
670 | swap_sv (SV *a, SV *b) |
|
|
671 | { |
|
|
672 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
673 | SV tmp; |
|
|
674 | |
|
|
675 | /* swap sv_any */ |
|
|
676 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
677 | |
|
|
678 | /* swap sv_flags */ |
|
|
679 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
680 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
681 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
682 | |
|
|
683 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
684 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
685 | * is much faster, so no quarrels here. alternatively, we could |
|
|
686 | * sv_upgrade to avoid this. |
|
|
687 | */ |
|
|
688 | { |
|
|
689 | /* swap sv_u */ |
|
|
690 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
691 | |
|
|
692 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
693 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
694 | */ |
|
|
695 | #define svany_in_head(type) \ |
|
|
696 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
697 | |
|
|
698 | if (svany_in_head (SvTYPE (a))) |
|
|
699 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
700 | |
|
|
701 | if (svany_in_head (SvTYPE (b))) |
|
|
702 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
703 | } |
|
|
704 | #endif |
|
|
705 | } |
|
|
706 | |
621 | /* swap sv heads, at least logically */ |
707 | /* swap sv heads, at least logically */ |
622 | static void |
708 | static void |
623 | swap_svs (pTHX_ Coro__State c) |
709 | swap_svs (pTHX_ Coro__State c) |
624 | { |
710 | { |
625 | int i; |
711 | int i; |
626 | |
712 | |
627 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
713 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
628 | { |
714 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
629 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
630 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
631 | |
|
|
632 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
633 | SV tmp; |
|
|
634 | |
|
|
635 | /* swap sv_any */ |
|
|
636 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
637 | |
|
|
638 | /* swap sv_flags */ |
|
|
639 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
640 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
641 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
642 | |
|
|
643 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
644 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
645 | * much faster, so no quarrels here. alternatively, we could |
|
|
646 | * sv_upgrade to avoid this. |
|
|
647 | */ |
|
|
648 | { |
|
|
649 | /* swap sv_u */ |
|
|
650 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
651 | |
|
|
652 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
653 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
654 | */ |
|
|
655 | #define svany_in_head(type) \ |
|
|
656 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
657 | |
|
|
658 | if (svany_in_head (SvTYPE (a))) |
|
|
659 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
660 | |
|
|
661 | if (svany_in_head (SvTYPE (b))) |
|
|
662 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
663 | } |
|
|
664 | #endif |
|
|
665 | } |
|
|
666 | } |
715 | } |
667 | |
716 | |
668 | #define SWAP_SVS(coro) \ |
717 | #define SWAP_SVS(coro) \ |
669 | if (ecb_expect_false ((coro)->swap_sv)) \ |
718 | if (ecb_expect_false ((coro)->swap_sv)) \ |
670 | swap_svs (aTHX_ (coro)) |
719 | swap_svs (aTHX_ (coro)) |
… | |
… | |
678 | perl_slots *slot = c->slot; |
727 | perl_slots *slot = c->slot; |
679 | c->slot = 0; |
728 | c->slot = 0; |
680 | |
729 | |
681 | PL_mainstack = c->mainstack; |
730 | PL_mainstack = c->mainstack; |
682 | |
731 | |
683 | GvSV (PL_defgv) = slot->defsv; |
732 | #if CORO_JIT |
684 | GvAV (PL_defgv) = slot->defav; |
733 | load_perl_slots (slot); |
685 | GvSV (PL_errgv) = slot->errsv; |
734 | #else |
686 | GvSV (irsgv) = slot->irsgv; |
|
|
687 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
688 | |
|
|
689 | #define VAR(name,type) PL_ ## name = slot->name; |
735 | #define VARx(name,expr,type) expr = slot->name; |
690 | # include "state.h" |
736 | #include "state.h" |
691 | #undef VAR |
737 | #endif |
692 | |
738 | |
693 | { |
739 | { |
694 | dSP; |
740 | dSP; |
695 | |
741 | |
696 | CV *cv; |
742 | CV *cv; |
… | |
… | |
698 | /* now do the ugly restore mess */ |
744 | /* now do the ugly restore mess */ |
699 | while (ecb_expect_true (cv = (CV *)POPs)) |
745 | while (ecb_expect_true (cv = (CV *)POPs)) |
700 | { |
746 | { |
701 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
747 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
702 | CvDEPTH (cv) = PTR2IV (POPs); |
748 | CvDEPTH (cv) = PTR2IV (POPs); |
703 | CvPADLIST (cv) = (AV *)POPs; |
749 | CvPADLIST (cv) = (PADLIST *)POPs; |
704 | } |
750 | } |
705 | |
751 | |
706 | PUTBACK; |
752 | PUTBACK; |
707 | } |
753 | } |
708 | |
754 | |
… | |
… | |
798 | |
844 | |
799 | PUTBACK; |
845 | PUTBACK; |
800 | } |
846 | } |
801 | |
847 | |
802 | /* allocate some space on the context stack for our purposes */ |
848 | /* allocate some space on the context stack for our purposes */ |
803 | if (ecb_expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
849 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
804 | { |
850 | { |
805 | unsigned int i; |
851 | unsigned int i; |
806 | |
852 | |
807 | for (i = 0; i < SLOT_COUNT; ++i) |
853 | for (i = 0; i < SLOT_COUNT; ++i) |
808 | CXINC; |
854 | CXINC; |
… | |
… | |
813 | c->mainstack = PL_mainstack; |
859 | c->mainstack = PL_mainstack; |
814 | |
860 | |
815 | { |
861 | { |
816 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
862 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
817 | |
863 | |
818 | slot->defav = GvAV (PL_defgv); |
864 | #if CORO_JIT |
819 | slot->defsv = DEFSV; |
865 | save_perl_slots (slot); |
820 | slot->errsv = ERRSV; |
866 | #else |
821 | slot->irsgv = GvSV (irsgv); |
|
|
822 | slot->hinthv = GvHV (PL_hintgv); |
|
|
823 | |
|
|
824 | #define VAR(name,type) slot->name = PL_ ## name; |
867 | #define VARx(name,expr,type) slot->name = expr; |
825 | # include "state.h" |
868 | #include "state.h" |
826 | #undef VAR |
869 | #endif |
827 | } |
870 | } |
828 | } |
871 | } |
829 | |
872 | |
830 | /* |
873 | /* |
831 | * allocate various perl stacks. This is almost an exact copy |
874 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
862 | #endif |
905 | #endif |
863 | |
906 | |
864 | New(54,PL_scopestack,8,I32); |
907 | New(54,PL_scopestack,8,I32); |
865 | PL_scopestack_ix = 0; |
908 | PL_scopestack_ix = 0; |
866 | PL_scopestack_max = 8; |
909 | PL_scopestack_max = 8; |
|
|
910 | #if HAS_SCOPESTACK_NAME |
|
|
911 | New(54,PL_scopestack_name,8,const char*); |
|
|
912 | #endif |
867 | |
913 | |
868 | New(54,PL_savestack,24,ANY); |
914 | New(54,PL_savestack,24,ANY); |
869 | PL_savestack_ix = 0; |
915 | PL_savestack_ix = 0; |
870 | PL_savestack_max = 24; |
916 | PL_savestack_max = 24; |
871 | |
917 | |
… | |
… | |
899 | } |
945 | } |
900 | |
946 | |
901 | Safefree (PL_tmps_stack); |
947 | Safefree (PL_tmps_stack); |
902 | Safefree (PL_markstack); |
948 | Safefree (PL_markstack); |
903 | Safefree (PL_scopestack); |
949 | Safefree (PL_scopestack); |
|
|
950 | #if HAS_SCOPESTACK_NAME |
|
|
951 | Safefree (PL_scopestack_name); |
|
|
952 | #endif |
904 | Safefree (PL_savestack); |
953 | Safefree (PL_savestack); |
905 | #if !PERL_VERSION_ATLEAST (5,10,0) |
954 | #if !PERL_VERSION_ATLEAST (5,10,0) |
906 | Safefree (PL_retstack); |
955 | Safefree (PL_retstack); |
907 | #endif |
956 | #endif |
908 | } |
957 | } |
… | |
… | |
968 | { |
1017 | { |
969 | SV **svp = 0; |
1018 | SV **svp = 0; |
970 | |
1019 | |
971 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1020 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
972 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1021 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
973 | |
1022 | |
974 | if (svp) |
1023 | if (svp) |
975 | { |
1024 | { |
976 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1025 | SV *ssv; |
|
|
1026 | |
|
|
1027 | if (!*svp) |
|
|
1028 | ssv = &PL_sv_undef; |
|
|
1029 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1030 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1031 | else |
|
|
1032 | ssv = *svp; |
|
|
1033 | |
|
|
1034 | sv_setsv (sv, ssv); |
977 | return 0; |
1035 | return 0; |
978 | } |
1036 | } |
979 | } |
1037 | } |
980 | |
1038 | |
981 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1039 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
… | |
… | |
1075 | PL_hints = 0; |
1133 | PL_hints = 0; |
1076 | |
1134 | |
1077 | /* recreate the die/warn hooks */ |
1135 | /* recreate the die/warn hooks */ |
1078 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1136 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1079 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1137 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1080 | |
1138 | |
1081 | GvSV (PL_defgv) = newSV (0); |
1139 | GvSV (PL_defgv) = newSV (0); |
1082 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1140 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1083 | GvSV (PL_errgv) = newSV (0); |
1141 | GvSV (PL_errgv) = newSV (0); |
1084 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1142 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1085 | GvHV (PL_hintgv) = 0; |
1143 | GvHV (PL_hintgv) = newHV (); |
|
|
1144 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
1145 | hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints); |
|
|
1146 | #endif |
1086 | PL_rs = newSVsv (GvSV (irsgv)); |
1147 | PL_rs = newSVsv (GvSV (irsgv)); |
1087 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1148 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1088 | |
1149 | |
1089 | { |
1150 | { |
1090 | dSP; |
1151 | dSP; |
… | |
… | |
1173 | /* restore swapped sv's */ |
1234 | /* restore swapped sv's */ |
1174 | SWAP_SVS (coro); |
1235 | SWAP_SVS (coro); |
1175 | |
1236 | |
1176 | coro_destruct_stacks (aTHX); |
1237 | coro_destruct_stacks (aTHX); |
1177 | |
1238 | |
1178 | // now save some sv's to be free'd later |
1239 | /* now save some sv's to be free'd later */ |
1179 | svf [0] = GvSV (PL_defgv); |
1240 | svf [0] = GvSV (PL_defgv); |
1180 | svf [1] = (SV *)GvAV (PL_defgv); |
1241 | svf [1] = (SV *)GvAV (PL_defgv); |
1181 | svf [2] = GvSV (PL_errgv); |
1242 | svf [2] = GvSV (PL_errgv); |
1182 | svf [3] = (SV *)PL_defoutgv; |
1243 | svf [3] = (SV *)PL_defoutgv; |
1183 | svf [4] = PL_rs; |
1244 | svf [4] = PL_rs; |
… | |
… | |
1203 | SvREFCNT_dec (coro->invoke_cb); |
1264 | SvREFCNT_dec (coro->invoke_cb); |
1204 | SvREFCNT_dec (coro->invoke_av); |
1265 | SvREFCNT_dec (coro->invoke_av); |
1205 | } |
1266 | } |
1206 | } |
1267 | } |
1207 | |
1268 | |
1208 | ECB_INLINE void |
1269 | ecb_inline void |
1209 | free_coro_mortal (pTHX) |
1270 | free_coro_mortal (pTHX) |
1210 | { |
1271 | { |
1211 | if (ecb_expect_true (coro_mortal)) |
1272 | if (ecb_expect_true (coro_mortal)) |
1212 | { |
1273 | { |
1213 | SvREFCNT_dec ((SV *)coro_mortal); |
1274 | SvREFCNT_dec ((SV *)coro_mortal); |
… | |
… | |
1372 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1433 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1373 | slf_frame.check = slf_check_set_stacklevel; |
1434 | slf_frame.check = slf_check_set_stacklevel; |
1374 | } |
1435 | } |
1375 | |
1436 | |
1376 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1437 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1377 | ECB_INLINE void |
1438 | ecb_inline void |
1378 | transfer_tail (pTHX) |
1439 | transfer_tail (pTHX) |
1379 | { |
1440 | { |
1380 | free_coro_mortal (aTHX); |
1441 | free_coro_mortal (aTHX); |
|
|
1442 | } |
|
|
1443 | |
|
|
1444 | /* try to exit the same way perl's main function would do */ |
|
|
1445 | /* we do not bother resetting the environment or other things *7 |
|
|
1446 | /* that are not, uhm, essential */ |
|
|
1447 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1448 | static void ecb_noinline ecb_cold |
|
|
1449 | perlish_exit (pTHX) |
|
|
1450 | { |
|
|
1451 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1452 | perl_free (PL_curinterp); |
|
|
1453 | exit (exitstatus); |
1381 | } |
1454 | } |
1382 | |
1455 | |
1383 | /* |
1456 | /* |
1384 | * this is a _very_ stripped down perl interpreter ;) |
1457 | * this is a _very_ stripped down perl interpreter ;) |
1385 | */ |
1458 | */ |
… | |
… | |
1414 | */ |
1487 | */ |
1415 | |
1488 | |
1416 | /* |
1489 | /* |
1417 | * If perl-run returns we assume exit() was being called or the coro |
1490 | * If perl-run returns we assume exit() was being called or the coro |
1418 | * fell off the end, which seems to be the only valid (non-bug) |
1491 | * fell off the end, which seems to be the only valid (non-bug) |
1419 | * reason for perl_run to return. We try to exit by jumping to the |
1492 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1420 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1493 | * doing in that case. YMMV. |
1421 | * coroutine as Coro has no such concept. |
|
|
1422 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1423 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1424 | */ |
1494 | */ |
1425 | PL_top_env = main_top_env; |
1495 | perlish_exit (aTHX); |
1426 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1427 | } |
1496 | } |
1428 | } |
1497 | } |
1429 | |
1498 | |
1430 | static coro_cctx * |
1499 | static coro_cctx * |
1431 | cctx_new () |
1500 | cctx_new (void) |
1432 | { |
1501 | { |
1433 | coro_cctx *cctx; |
1502 | coro_cctx *cctx; |
1434 | |
1503 | |
1435 | ++cctx_count; |
1504 | ++cctx_count; |
1436 | New (0, cctx, 1, coro_cctx); |
1505 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1442 | return cctx; |
1511 | return cctx; |
1443 | } |
1512 | } |
1444 | |
1513 | |
1445 | /* create a new cctx only suitable as source */ |
1514 | /* create a new cctx only suitable as source */ |
1446 | static coro_cctx * |
1515 | static coro_cctx * |
1447 | cctx_new_empty () |
1516 | cctx_new_empty (void) |
1448 | { |
1517 | { |
1449 | coro_cctx *cctx = cctx_new (); |
1518 | coro_cctx *cctx = cctx_new (); |
1450 | |
1519 | |
1451 | cctx->sptr = 0; |
1520 | cctx->stack.sptr = 0; |
1452 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1521 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1453 | |
1522 | |
1454 | return cctx; |
1523 | return cctx; |
1455 | } |
1524 | } |
1456 | |
1525 | |
1457 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1526 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1458 | static coro_cctx * |
1527 | static coro_cctx * |
1459 | cctx_new_run () |
1528 | cctx_new_run (void) |
1460 | { |
1529 | { |
1461 | coro_cctx *cctx = cctx_new (); |
1530 | coro_cctx *cctx = cctx_new (); |
1462 | void *stack_start; |
|
|
1463 | size_t stack_size; |
|
|
1464 | |
1531 | |
1465 | #if HAVE_MMAP |
1532 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1466 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1467 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1468 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1469 | |
|
|
1470 | if (cctx->sptr != (void *)-1) |
|
|
1471 | { |
|
|
1472 | #if CORO_STACKGUARD |
|
|
1473 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1474 | #endif |
|
|
1475 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1476 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1477 | cctx->flags |= CC_MAPPED; |
|
|
1478 | } |
1533 | { |
1479 | else |
|
|
1480 | #endif |
|
|
1481 | { |
|
|
1482 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1483 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1484 | |
|
|
1485 | if (!cctx->sptr) |
|
|
1486 | { |
|
|
1487 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1534 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1488 | _exit (EXIT_FAILURE); |
1535 | _exit (EXIT_FAILURE); |
1489 | } |
|
|
1490 | |
|
|
1491 | stack_start = cctx->sptr; |
|
|
1492 | stack_size = cctx->ssize; |
|
|
1493 | } |
1536 | } |
1494 | |
1537 | |
1495 | #if CORO_USE_VALGRIND |
|
|
1496 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1497 | #endif |
|
|
1498 | |
|
|
1499 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1538 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1500 | |
1539 | |
1501 | return cctx; |
1540 | return cctx; |
1502 | } |
1541 | } |
1503 | |
1542 | |
1504 | static void |
1543 | static void |
… | |
… | |
1510 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1549 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1511 | |
1550 | |
1512 | --cctx_count; |
1551 | --cctx_count; |
1513 | coro_destroy (&cctx->cctx); |
1552 | coro_destroy (&cctx->cctx); |
1514 | |
1553 | |
1515 | /* coro_transfer creates new, empty cctx's */ |
1554 | coro_stack_free (&cctx->stack); |
1516 | if (cctx->sptr) |
|
|
1517 | { |
|
|
1518 | #if CORO_USE_VALGRIND |
|
|
1519 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1520 | #endif |
|
|
1521 | |
|
|
1522 | #if HAVE_MMAP |
|
|
1523 | if (cctx->flags & CC_MAPPED) |
|
|
1524 | munmap (cctx->sptr, cctx->ssize); |
|
|
1525 | else |
|
|
1526 | #endif |
|
|
1527 | Safefree (cctx->sptr); |
|
|
1528 | } |
|
|
1529 | |
1555 | |
1530 | Safefree (cctx); |
1556 | Safefree (cctx); |
1531 | } |
1557 | } |
1532 | |
1558 | |
1533 | /* wether this cctx should be destructed */ |
1559 | /* wether this cctx should be destructed */ |
… | |
… | |
1552 | } |
1578 | } |
1553 | |
1579 | |
1554 | static void |
1580 | static void |
1555 | cctx_put (coro_cctx *cctx) |
1581 | cctx_put (coro_cctx *cctx) |
1556 | { |
1582 | { |
1557 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1583 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1558 | |
1584 | |
1559 | /* free another cctx if overlimit */ |
1585 | /* free another cctx if overlimit */ |
1560 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1586 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1561 | { |
1587 | { |
1562 | coro_cctx *first = cctx_first; |
1588 | coro_cctx *first = cctx_first; |
… | |
… | |
1688 | return; |
1714 | return; |
1689 | |
1715 | |
1690 | slf_destroy (aTHX_ coro); |
1716 | slf_destroy (aTHX_ coro); |
1691 | |
1717 | |
1692 | coro->flags |= CF_ZOMBIE; |
1718 | coro->flags |= CF_ZOMBIE; |
1693 | |
1719 | |
1694 | if (coro->flags & CF_READY) |
1720 | if (coro->flags & CF_READY) |
1695 | { |
1721 | { |
1696 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1722 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1697 | /* alternative: look through all ready queues and remove the coro */ |
1723 | /* alternative: look through all ready queues and remove the coro */ |
1698 | --coro_nready; |
1724 | --coro_nready; |
… | |
… | |
1775 | TRANSFER (ta, 1); |
1801 | TRANSFER (ta, 1); |
1776 | } |
1802 | } |
1777 | |
1803 | |
1778 | /** Coro ********************************************************************/ |
1804 | /** Coro ********************************************************************/ |
1779 | |
1805 | |
1780 | ECB_INLINE void |
1806 | ecb_inline void |
1781 | coro_enq (pTHX_ struct coro *coro) |
1807 | coro_enq (pTHX_ struct coro *coro) |
1782 | { |
1808 | { |
1783 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1809 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1784 | |
1810 | |
1785 | SvREFCNT_inc_NN (coro->hv); |
1811 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1787 | coro->next_ready = 0; |
1813 | coro->next_ready = 0; |
1788 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1814 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1789 | ready [1] = coro; |
1815 | ready [1] = coro; |
1790 | } |
1816 | } |
1791 | |
1817 | |
1792 | ECB_INLINE struct coro * |
1818 | ecb_inline struct coro * |
1793 | coro_deq (pTHX) |
1819 | coro_deq (pTHX) |
1794 | { |
1820 | { |
1795 | int prio; |
1821 | int prio; |
1796 | |
1822 | |
1797 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1823 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1850 | { |
1876 | { |
1851 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1877 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1852 | } |
1878 | } |
1853 | |
1879 | |
1854 | /* expects to own a reference to next->hv */ |
1880 | /* expects to own a reference to next->hv */ |
1855 | ECB_INLINE void |
1881 | ecb_inline void |
1856 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1882 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1857 | { |
1883 | { |
1858 | SV *prev_sv = SvRV (coro_current); |
1884 | SV *prev_sv = SvRV (coro_current); |
1859 | |
1885 | |
1860 | ta->prev = SvSTATE_hv (prev_sv); |
1886 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1894 | /* nothing to schedule: call the idle handler */ |
1920 | /* nothing to schedule: call the idle handler */ |
1895 | if (SvROK (sv_idle) |
1921 | if (SvROK (sv_idle) |
1896 | && SvOBJECT (SvRV (sv_idle))) |
1922 | && SvOBJECT (SvRV (sv_idle))) |
1897 | { |
1923 | { |
1898 | if (SvRV (sv_idle) == SvRV (coro_current)) |
1924 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1925 | { |
|
|
1926 | require_pv ("Carp"); |
|
|
1927 | |
|
|
1928 | { |
|
|
1929 | dSP; |
|
|
1930 | |
|
|
1931 | ENTER; |
|
|
1932 | SAVETMPS; |
|
|
1933 | |
|
|
1934 | PUSHMARK (SP); |
1899 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
1935 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
1936 | PUTBACK; |
|
|
1937 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
1938 | |
|
|
1939 | FREETMPS; |
|
|
1940 | LEAVE; |
|
|
1941 | } |
|
|
1942 | } |
1900 | |
1943 | |
1901 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1944 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1902 | api_ready (aTHX_ SvRV (sv_idle)); |
1945 | api_ready (aTHX_ SvRV (sv_idle)); |
1903 | --coro_nready; |
1946 | --coro_nready; |
1904 | } |
1947 | } |
… | |
… | |
1919 | } |
1962 | } |
1920 | } |
1963 | } |
1921 | } |
1964 | } |
1922 | } |
1965 | } |
1923 | |
1966 | |
1924 | ECB_INLINE void |
1967 | ecb_inline void |
1925 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1968 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1926 | { |
1969 | { |
1927 | api_ready (aTHX_ coro_current); |
1970 | api_ready (aTHX_ coro_current); |
1928 | prepare_schedule (aTHX_ ta); |
1971 | prepare_schedule (aTHX_ ta); |
1929 | } |
1972 | } |
1930 | |
1973 | |
1931 | ECB_INLINE void |
1974 | ecb_inline void |
1932 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1975 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1933 | { |
1976 | { |
1934 | SV *prev = SvRV (coro_current); |
1977 | SV *prev = SvRV (coro_current); |
1935 | |
1978 | |
1936 | if (coro_nready) |
1979 | if (coro_nready) |
… | |
… | |
2101 | { |
2144 | { |
2102 | AV *od = coro->on_destroy; |
2145 | AV *od = coro->on_destroy; |
2103 | |
2146 | |
2104 | if (!od) |
2147 | if (!od) |
2105 | return; |
2148 | return; |
|
|
2149 | |
|
|
2150 | coro->on_destroy = 0; |
|
|
2151 | sv_2mortal ((SV *)od); |
2106 | |
2152 | |
2107 | while (AvFILLp (od) >= 0) |
2153 | while (AvFILLp (od) >= 0) |
2108 | { |
2154 | { |
2109 | SV *cb = sv_2mortal (av_pop (od)); |
2155 | SV *cb = sv_2mortal (av_pop (od)); |
2110 | |
2156 | |
… | |
… | |
2131 | |
2177 | |
2132 | static void |
2178 | static void |
2133 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2179 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2134 | { |
2180 | { |
2135 | AV *av; |
2181 | AV *av; |
2136 | |
2182 | |
2137 | if (coro->status) |
2183 | if (coro->status) |
2138 | { |
2184 | { |
2139 | av = coro->status; |
2185 | av = coro->status; |
2140 | av_clear (av); |
2186 | av_clear (av); |
2141 | } |
2187 | } |
… | |
… | |
2188 | |
2234 | |
2189 | coro = SvSTATE (arg [0]); |
2235 | coro = SvSTATE (arg [0]); |
2190 | coro_hv = coro->hv; |
2236 | coro_hv = coro->hv; |
2191 | |
2237 | |
2192 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2238 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2193 | |
2239 | |
2194 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2240 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2195 | { |
2241 | { |
2196 | /* coro currently busy cancelling something, so just notify it */ |
2242 | /* coro currently busy cancelling something, so just notify it */ |
2197 | coro->slf_frame.data = (void *)coro; |
2243 | coro->slf_frame.data = (void *)coro; |
2198 | |
2244 | |
… | |
… | |
2205 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2251 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2206 | } |
2252 | } |
2207 | else |
2253 | else |
2208 | { |
2254 | { |
2209 | struct coro *self = SvSTATE_current; |
2255 | struct coro *self = SvSTATE_current; |
|
|
2256 | |
|
|
2257 | if (!self) |
|
|
2258 | croak ("Coro::cancel called outside of thread content,"); |
2210 | |
2259 | |
2211 | /* otherwise we cancel directly, purely for speed reasons |
2260 | /* otherwise we cancel directly, purely for speed reasons |
2212 | * unfortunately, this requires some magic trickery, as |
2261 | * unfortunately, this requires some magic trickery, as |
2213 | * somebody else could cancel us, so we have to fight the cancellation. |
2262 | * somebody else could cancel us, so we have to fight the cancellation. |
2214 | * this is ugly, and hopefully fully worth the extra speed. |
2263 | * this is ugly, and hopefully fully worth the extra speed. |
… | |
… | |
2377 | |
2426 | |
2378 | static int |
2427 | static int |
2379 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2428 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2380 | { |
2429 | { |
2381 | SV *data = (SV *)frame->data; |
2430 | SV *data = (SV *)frame->data; |
2382 | |
2431 | |
2383 | if (CORO_THROW) |
2432 | if (CORO_THROW) |
2384 | return 0; |
2433 | return 0; |
2385 | |
2434 | |
2386 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2435 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2387 | return 1; |
2436 | return 1; |
… | |
… | |
2423 | cb = sv_2mortal (coro->rouse_cb); |
2472 | cb = sv_2mortal (coro->rouse_cb); |
2424 | coro->rouse_cb = 0; |
2473 | coro->rouse_cb = 0; |
2425 | } |
2474 | } |
2426 | |
2475 | |
2427 | if (!SvROK (cb) |
2476 | if (!SvROK (cb) |
2428 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2477 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2429 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2478 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2430 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2479 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2431 | |
2480 | |
2432 | { |
2481 | { |
2433 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2482 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2556 | |
2605 | |
2557 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2606 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2558 | static void |
2607 | static void |
2559 | slf_destroy (pTHX_ struct coro *coro) |
2608 | slf_destroy (pTHX_ struct coro *coro) |
2560 | { |
2609 | { |
2561 | /* this callback is reserved for slf functions needing to do cleanup */ |
2610 | struct CoroSLF frame = coro->slf_frame; |
2562 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2563 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2564 | |
2611 | |
2565 | /* |
2612 | /* |
2566 | * The on_destroy above most likely is from an SLF call. |
2613 | * The on_destroy below most likely is from an SLF call. |
2567 | * Since by definition the SLF call will not finish when we destroy |
2614 | * Since by definition the SLF call will not finish when we destroy |
2568 | * the coro, we will have to force-finish it here, otherwise |
2615 | * the coro, we will have to force-finish it here, otherwise |
2569 | * cleanup functions cannot call SLF functions. |
2616 | * cleanup functions cannot call SLF functions. |
2570 | */ |
2617 | */ |
2571 | coro->slf_frame.prepare = 0; |
2618 | coro->slf_frame.prepare = 0; |
|
|
2619 | |
|
|
2620 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2621 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2622 | frame.destroy (aTHX_ &frame); |
2572 | } |
2623 | } |
2573 | |
2624 | |
2574 | /* |
2625 | /* |
2575 | * these not obviously related functions are all rolled into one |
2626 | * these not obviously related functions are all rolled into one |
2576 | * function to increase chances that they all will call transfer with the same |
2627 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2916 | { |
2967 | { |
2917 | AV *av = (AV *)frame->data; |
2968 | AV *av = (AV *)frame->data; |
2918 | SV *count_sv = AvARRAY (av)[0]; |
2969 | SV *count_sv = AvARRAY (av)[0]; |
2919 | SV *coro_hv = SvRV (coro_current); |
2970 | SV *coro_hv = SvRV (coro_current); |
2920 | |
2971 | |
|
|
2972 | frame->destroy = 0; |
|
|
2973 | |
2921 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2974 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2922 | if (CORO_THROW) |
2975 | if (ecb_expect_false (CORO_THROW)) |
|
|
2976 | { |
|
|
2977 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
2978 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2979 | |
2923 | return 0; |
2980 | return 0; |
|
|
2981 | } |
2924 | else if (SvIVX (count_sv) > 0) |
2982 | else if (SvIVX (count_sv) > 0) |
2925 | { |
2983 | { |
2926 | frame->destroy = 0; |
|
|
2927 | |
|
|
2928 | if (acquire) |
2984 | if (acquire) |
2929 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2985 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2930 | else |
2986 | else |
2931 | coro_semaphore_adjust (aTHX_ av, 0); |
2987 | coro_semaphore_adjust (aTHX_ av, 0); |
2932 | |
2988 | |
… | |
… | |
2936 | { |
2992 | { |
2937 | int i; |
2993 | int i; |
2938 | /* if we were woken up but can't down, we look through the whole */ |
2994 | /* if we were woken up but can't down, we look through the whole */ |
2939 | /* waiters list and only add us if we aren't in there already */ |
2995 | /* waiters list and only add us if we aren't in there already */ |
2940 | /* this avoids some degenerate memory usage cases */ |
2996 | /* this avoids some degenerate memory usage cases */ |
2941 | for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug |
2997 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2942 | if (AvARRAY (av)[i] == coro_hv) |
2998 | if (AvARRAY (av)[i] == coro_hv) |
2943 | return 1; |
2999 | return 1; |
2944 | |
3000 | |
2945 | av_push (av, SvREFCNT_inc (coro_hv)); |
3001 | av_push (av, SvREFCNT_inc (coro_hv)); |
2946 | return 1; |
3002 | return 1; |
… | |
… | |
3154 | /* it quickly returns */ |
3210 | /* it quickly returns */ |
3155 | if (CORO_THROW) |
3211 | if (CORO_THROW) |
3156 | return 0; |
3212 | return 0; |
3157 | |
3213 | |
3158 | /* one element that is an RV? repeat! */ |
3214 | /* one element that is an RV? repeat! */ |
3159 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3215 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
3160 | return 1; |
3216 | return 1; |
3161 | |
3217 | |
3162 | /* restore status */ |
3218 | /* restore status */ |
3163 | { |
3219 | { |
3164 | SV *data_sv = av_pop (state); |
3220 | SV *data_sv = av_pop (state); |
… | |
… | |
3323 | |
3379 | |
3324 | #ifndef __cplusplus |
3380 | #ifndef __cplusplus |
3325 | ecb_cold XS(boot_Coro__State); |
3381 | ecb_cold XS(boot_Coro__State); |
3326 | #endif |
3382 | #endif |
3327 | |
3383 | |
|
|
3384 | #if CORO_JIT |
|
|
3385 | |
|
|
3386 | static void ecb_noinline ecb_cold |
|
|
3387 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3388 | { |
|
|
3389 | dSP; |
|
|
3390 | AV *av = newAV (); |
|
|
3391 | |
|
|
3392 | av_store (av, 3, newSVuv (d)); |
|
|
3393 | av_store (av, 2, newSVuv (c)); |
|
|
3394 | av_store (av, 1, newSVuv (b)); |
|
|
3395 | av_store (av, 0, newSVuv (a)); |
|
|
3396 | |
|
|
3397 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3398 | |
|
|
3399 | PUTBACK; |
|
|
3400 | } |
|
|
3401 | |
|
|
3402 | static void ecb_noinline ecb_cold |
|
|
3403 | jit_init (pTHX) |
|
|
3404 | { |
|
|
3405 | dSP; |
|
|
3406 | SV *load, *save; |
|
|
3407 | char *map_base; |
|
|
3408 | char *load_ptr, *save_ptr; |
|
|
3409 | STRLEN load_len, save_len, map_len; |
|
|
3410 | int count; |
|
|
3411 | |
|
|
3412 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3413 | |
|
|
3414 | PUSHMARK (SP); |
|
|
3415 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3416 | #include "state.h" |
|
|
3417 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3418 | SPAGAIN; |
|
|
3419 | |
|
|
3420 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3421 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3422 | |
|
|
3423 | map_len = load_len + save_len + 16; |
|
|
3424 | |
|
|
3425 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3426 | |
|
|
3427 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3428 | |
|
|
3429 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3430 | memcpy (map_base, load_ptr, load_len); |
|
|
3431 | |
|
|
3432 | map_base += (load_len + 15) & ~15; |
|
|
3433 | |
|
|
3434 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3435 | memcpy (map_base, save_ptr, save_len); |
|
|
3436 | |
|
|
3437 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3438 | /* hackers might have it a bit more difficult */ |
|
|
3439 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3440 | |
|
|
3441 | PUTBACK; |
|
|
3442 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3443 | } |
|
|
3444 | |
|
|
3445 | #endif |
|
|
3446 | |
3328 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3447 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3329 | |
3448 | |
3330 | PROTOTYPES: DISABLE |
3449 | PROTOTYPES: DISABLE |
3331 | |
3450 | |
3332 | BOOT: |
3451 | BOOT: |
3333 | { |
3452 | { |
|
|
3453 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3454 | #include "state.h" |
3334 | #ifdef USE_ITHREADS |
3455 | #ifdef USE_ITHREADS |
3335 | # if CORO_PTHREAD |
3456 | # if CORO_PTHREAD |
3336 | coro_thx = PERL_GET_CONTEXT; |
3457 | coro_thx = PERL_GET_CONTEXT; |
3337 | # endif |
3458 | # endif |
3338 | #endif |
3459 | #endif |
3339 | BOOT_PAGESIZE; |
3460 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3461 | /* just create them one at init time is not clear to me, except for */ |
|
|
3462 | /* programs trying to delete them, but... */ |
|
|
3463 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3464 | DEFSV; |
|
|
3465 | ERRSV; |
3340 | |
3466 | |
3341 | cctx_current = cctx_new_empty (); |
3467 | cctx_current = cctx_new_empty (); |
3342 | |
3468 | |
3343 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3469 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3344 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3470 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
3387 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3513 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3388 | |
3514 | |
3389 | time_init (aTHX); |
3515 | time_init (aTHX); |
3390 | |
3516 | |
3391 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3517 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3518 | #if CORO_JIT |
|
|
3519 | PUTBACK; |
|
|
3520 | jit_init (aTHX); |
|
|
3521 | SPAGAIN; |
|
|
3522 | #endif |
3392 | } |
3523 | } |
3393 | |
3524 | |
3394 | SV * |
3525 | SV * |
3395 | new (SV *klass, ...) |
3526 | new (SV *klass, ...) |
3396 | ALIAS: |
3527 | ALIAS: |
… | |
… | |
3403 | void |
3534 | void |
3404 | transfer (...) |
3535 | transfer (...) |
3405 | PROTOTYPE: $$ |
3536 | PROTOTYPE: $$ |
3406 | CODE: |
3537 | CODE: |
3407 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3538 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3408 | |
|
|
3409 | void |
|
|
3410 | _exit (int code) |
|
|
3411 | PROTOTYPE: $ |
|
|
3412 | CODE: |
|
|
3413 | _exit (code); |
|
|
3414 | |
3539 | |
3415 | SV * |
3540 | SV * |
3416 | clone (Coro::State coro) |
3541 | clone (Coro::State coro) |
3417 | CODE: |
3542 | CODE: |
3418 | { |
3543 | { |
… | |
… | |
3473 | void |
3598 | void |
3474 | list () |
3599 | list () |
3475 | PROTOTYPE: |
3600 | PROTOTYPE: |
3476 | PPCODE: |
3601 | PPCODE: |
3477 | { |
3602 | { |
3478 | struct coro *coro; |
3603 | struct coro *coro; |
3479 | for (coro = coro_first; coro; coro = coro->next) |
3604 | for (coro = coro_first; coro; coro = coro->next) |
3480 | if (coro->hv) |
3605 | if (coro->hv) |
3481 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3606 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3482 | } |
3607 | } |
3483 | |
3608 | |
… | |
… | |
3547 | RETVAL = boolSV (coro->flags & ix); |
3672 | RETVAL = boolSV (coro->flags & ix); |
3548 | OUTPUT: |
3673 | OUTPUT: |
3549 | RETVAL |
3674 | RETVAL |
3550 | |
3675 | |
3551 | void |
3676 | void |
3552 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3677 | throw (SV *self, SV *exception = &PL_sv_undef) |
3553 | PROTOTYPE: $;$ |
3678 | PROTOTYPE: $;$ |
3554 | CODE: |
3679 | CODE: |
3555 | { |
3680 | { |
|
|
3681 | struct coro *coro = SvSTATE (self); |
3556 | struct coro *current = SvSTATE_current; |
3682 | struct coro *current = SvSTATE_current; |
3557 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3683 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3558 | SvREFCNT_dec (*exceptionp); |
3684 | SvREFCNT_dec (*exceptionp); |
3559 | SvGETMAGIC (exception); |
3685 | SvGETMAGIC (exception); |
3560 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3686 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3687 | |
|
|
3688 | api_ready (aTHX_ self); |
3561 | } |
3689 | } |
3562 | |
3690 | |
3563 | void |
3691 | void |
3564 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3692 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3565 | PROTOTYPE: $;$ |
3693 | PROTOTYPE: $;$ |
… | |
… | |
3642 | |
3770 | |
3643 | void |
3771 | void |
3644 | times (Coro::State self) |
3772 | times (Coro::State self) |
3645 | PPCODE: |
3773 | PPCODE: |
3646 | { |
3774 | { |
3647 | struct coro *current = SvSTATE (coro_current); |
3775 | struct coro *current = SvSTATE (coro_current); |
3648 | |
3776 | |
3649 | if (ecb_expect_false (current == self)) |
3777 | if (ecb_expect_false (current == self)) |
3650 | { |
3778 | { |
3651 | coro_times_update (); |
3779 | coro_times_update (); |
3652 | coro_times_add (SvSTATE (coro_current)); |
3780 | coro_times_add (SvSTATE (coro_current)); |
… | |
… | |
3695 | |
3823 | |
3696 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3824 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3697 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3825 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3698 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3826 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3699 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3827 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3700 | |
3828 | |
3701 | coro_stash = gv_stashpv ("Coro", TRUE); |
3829 | coro_stash = gv_stashpv ("Coro", TRUE); |
3702 | |
3830 | |
3703 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3831 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3704 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3832 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3705 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3833 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3927 | on_leave = 1 |
4055 | on_leave = 1 |
3928 | PROTOTYPE: & |
4056 | PROTOTYPE: & |
3929 | CODE: |
4057 | CODE: |
3930 | { |
4058 | { |
3931 | struct coro *coro = SvSTATE_current; |
4059 | struct coro *coro = SvSTATE_current; |
3932 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4060 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3933 | |
4061 | |
3934 | block = s_get_cv_croak (block); |
4062 | block = s_get_cv_croak (block); |
3935 | |
4063 | |
3936 | if (!*avp) |
4064 | if (!*avp) |
3937 | *avp = newAV (); |
4065 | *avp = newAV (); |
… | |
… | |
3957 | |
4085 | |
3958 | SV * |
4086 | SV * |
3959 | new (SV *klass, SV *count = 0) |
4087 | new (SV *klass, SV *count = 0) |
3960 | CODE: |
4088 | CODE: |
3961 | { |
4089 | { |
3962 | int semcnt = 1; |
4090 | int semcnt = 1; |
3963 | |
4091 | |
3964 | if (count) |
4092 | if (count) |
3965 | { |
4093 | { |
3966 | SvGETMAGIC (count); |
4094 | SvGETMAGIC (count); |
3967 | |
4095 | |
… | |
… | |
4027 | XSRETURN_NO; |
4155 | XSRETURN_NO; |
4028 | } |
4156 | } |
4029 | |
4157 | |
4030 | void |
4158 | void |
4031 | waiters (SV *self) |
4159 | waiters (SV *self) |
4032 | PPCODE: |
4160 | PPCODE: |
4033 | { |
4161 | { |
4034 | AV *av = (AV *)SvRV (self); |
4162 | AV *av = (AV *)SvRV (self); |
4035 | int wcount = AvFILLp (av) + 1 - 1; |
4163 | int wcount = AvFILLp (av) + 1 - 1; |
4036 | |
4164 | |
4037 | if (GIMME_V == G_SCALAR) |
4165 | if (GIMME_V == G_SCALAR) |
… | |
… | |
4046 | } |
4174 | } |
4047 | |
4175 | |
4048 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4176 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4049 | |
4177 | |
4050 | void |
4178 | void |
4051 | _may_delete (SV *sem, int count, int extra_refs) |
4179 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4052 | PPCODE: |
4180 | PPCODE: |
4053 | { |
4181 | { |
4054 | AV *av = (AV *)SvRV (sem); |
4182 | AV *av = (AV *)SvRV (sem); |
4055 | |
4183 | |
4056 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4184 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4057 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4185 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4058 | && SvIV (AvARRAY (av)[0]) == count) |
4186 | && SvIV (AvARRAY (av)[0]) == count) |
4059 | XSRETURN_YES; |
4187 | XSRETURN_YES; |
… | |
… | |
4080 | |
4208 | |
4081 | void |
4209 | void |
4082 | broadcast (SV *self) |
4210 | broadcast (SV *self) |
4083 | CODE: |
4211 | CODE: |
4084 | { |
4212 | { |
4085 | AV *av = (AV *)SvRV (self); |
4213 | AV *av = (AV *)SvRV (self); |
4086 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4214 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4087 | } |
4215 | } |
4088 | |
4216 | |
4089 | void |
4217 | void |
4090 | send (SV *self) |
4218 | send (SV *self) |
… | |
… | |
4098 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4226 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4099 | } |
4227 | } |
4100 | |
4228 | |
4101 | IV |
4229 | IV |
4102 | awaited (SV *self) |
4230 | awaited (SV *self) |
4103 | CODE: |
4231 | CODE: |
4104 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4232 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4105 | OUTPUT: |
4233 | OUTPUT: |
4106 | RETVAL |
4234 | RETVAL |
4107 | |
4235 | |
4108 | |
4236 | |
… | |
… | |
4113 | |
4241 | |
4114 | void |
4242 | void |
4115 | _schedule (...) |
4243 | _schedule (...) |
4116 | CODE: |
4244 | CODE: |
4117 | { |
4245 | { |
4118 | static int incede; |
4246 | static int incede; |
4119 | |
4247 | |
4120 | api_cede_notself (aTHX); |
4248 | api_cede_notself (aTHX); |
4121 | |
4249 | |
4122 | ++incede; |
4250 | ++incede; |
4123 | while (coro_nready >= incede && api_cede (aTHX)) |
4251 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
4167 | { |
4295 | { |
4168 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4296 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4169 | coro_old_pp_sselect = 0; |
4297 | coro_old_pp_sselect = 0; |
4170 | } |
4298 | } |
4171 | |
4299 | |
|
|
4300 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4301 | |
|
|
4302 | void |
|
|
4303 | _exit (int code) |
|
|
4304 | CODE: |
|
|
4305 | _exit (code); |
|
|
4306 | |
|
|
4307 | NV |
|
|
4308 | time () |
|
|
4309 | CODE: |
|
|
4310 | RETVAL = nvtime (aTHX); |
|
|
4311 | OUTPUT: |
|
|
4312 | RETVAL |
|
|
4313 | |
|
|
4314 | NV |
|
|
4315 | gettimeofday () |
|
|
4316 | PPCODE: |
|
|
4317 | { |
|
|
4318 | UV tv [2]; |
|
|
4319 | u2time (aTHX_ tv); |
|
|
4320 | EXTEND (SP, 2); |
|
|
4321 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4322 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4323 | } |
|
|
4324 | |