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 | #include "ecb.h" |
|
|
20 | |
|
|
21 | #include <stddef.h> |
18 | #include <stdio.h> |
22 | #include <stdio.h> |
19 | #include <errno.h> |
23 | #include <errno.h> |
20 | #include <assert.h> |
24 | #include <assert.h> |
21 | |
25 | |
22 | #ifndef SVs_PADSTALE |
26 | #ifndef SVs_PADSTALE |
23 | # define SVs_PADSTALE 0 |
27 | # define SVs_PADSTALE 0 |
|
|
28 | #endif |
|
|
29 | |
|
|
30 | #ifdef PadARRAY |
|
|
31 | # define NEWPADAPI 1 |
|
|
32 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
|
|
33 | #else |
|
|
34 | typedef AV PADNAMELIST; |
|
|
35 | # if !PERL_VERSION_ATLEAST(5,8,0) |
|
|
36 | typedef AV PADLIST; |
|
|
37 | typedef AV PAD; |
|
|
38 | # endif |
|
|
39 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
|
|
40 | # define PadlistMAX(pl) AvFILLp (pl) |
|
|
41 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
|
|
42 | # define PadARRAY AvARRAY |
|
|
43 | # define PadMAX AvFILLp |
|
|
44 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
24 | #endif |
45 | #endif |
25 | |
46 | |
26 | #if defined(_WIN32) |
47 | #if defined(_WIN32) |
27 | # undef HAS_GETTIMEOFDAY |
48 | # undef HAS_GETTIMEOFDAY |
28 | # undef setjmp |
49 | # undef setjmp |
… | |
… | |
31 | # define setjmp _setjmp /* deep magic */ |
52 | # define setjmp _setjmp /* deep magic */ |
32 | #else |
53 | #else |
33 | # include <inttypes.h> /* most portable stdint.h */ |
54 | # include <inttypes.h> /* most portable stdint.h */ |
34 | #endif |
55 | #endif |
35 | |
56 | |
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 */ |
57 | /* the maximum number of idle cctx that will be pooled */ |
64 | static int cctx_max_idle = 4; |
58 | static int cctx_max_idle = 4; |
65 | |
59 | |
66 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
60 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
67 | # undef CORO_STACKGUARD |
61 | # define HAS_SCOPESTACK_NAME 1 |
68 | #endif |
|
|
69 | |
|
|
70 | #ifndef CORO_STACKGUARD |
|
|
71 | # define CORO_STACKGUARD 0 |
|
|
72 | #endif |
62 | #endif |
73 | |
63 | |
74 | /* prefer perl internal functions over our own? */ |
64 | /* prefer perl internal functions over our own? */ |
75 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
65 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
76 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
66 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
86 | # define STACKLEVEL ((void *)&stacklevel) |
76 | # define STACKLEVEL ((void *)&stacklevel) |
87 | #endif |
77 | #endif |
88 | |
78 | |
89 | #define IN_DESTRUCT PL_dirty |
79 | #define IN_DESTRUCT PL_dirty |
90 | |
80 | |
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" |
81 | #include "CoroAPI.h" |
107 | #define GCoroAPI (&coroapi) /* very sneaky */ |
82 | #define GCoroAPI (&coroapi) /* very sneaky */ |
108 | |
83 | |
109 | #ifdef USE_ITHREADS |
84 | #ifdef USE_ITHREADS |
110 | # if CORO_PTHREAD |
85 | # if CORO_PTHREAD |
… | |
… | |
166 | static char times_valid; |
141 | static char times_valid; |
167 | |
142 | |
168 | static struct coro_cctx *cctx_first; |
143 | static struct coro_cctx *cctx_first; |
169 | static int cctx_count, cctx_idle; |
144 | static int cctx_count, cctx_idle; |
170 | |
145 | |
171 | enum { |
146 | enum |
|
|
147 | { |
172 | CC_MAPPED = 0x01, |
148 | CC_MAPPED = 0x01, |
173 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
149 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
174 | CC_TRACE = 0x04, |
150 | CC_TRACE = 0x04, |
175 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
151 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
176 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
152 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
… | |
… | |
181 | typedef struct coro_cctx |
157 | typedef struct coro_cctx |
182 | { |
158 | { |
183 | struct coro_cctx *next; |
159 | struct coro_cctx *next; |
184 | |
160 | |
185 | /* the stack */ |
161 | /* the stack */ |
186 | void *sptr; |
162 | struct coro_stack stack; |
187 | size_t ssize; |
|
|
188 | |
163 | |
189 | /* cpu state */ |
164 | /* cpu state */ |
190 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
165 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
|
|
166 | #ifndef NDEBUG |
191 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
167 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
|
|
168 | #endif |
192 | JMPENV *top_env; |
169 | JMPENV *top_env; |
193 | coro_context cctx; |
170 | coro_context cctx; |
194 | |
171 | |
195 | U32 gen; |
172 | U32 gen; |
196 | #if CORO_USE_VALGRIND |
173 | #if CORO_USE_VALGRIND |
… | |
… | |
201 | |
178 | |
202 | static coro_cctx *cctx_current; /* the currently running cctx */ |
179 | static coro_cctx *cctx_current; /* the currently running cctx */ |
203 | |
180 | |
204 | /*****************************************************************************/ |
181 | /*****************************************************************************/ |
205 | |
182 | |
|
|
183 | static MGVTBL coro_state_vtbl; |
|
|
184 | |
206 | enum { |
185 | enum |
|
|
186 | { |
207 | CF_RUNNING = 0x0001, /* coroutine is running */ |
187 | CF_RUNNING = 0x0001, /* coroutine is running */ |
208 | CF_READY = 0x0002, /* coroutine is ready */ |
188 | CF_READY = 0x0002, /* coroutine is ready */ |
209 | CF_NEW = 0x0004, /* has never been switched to */ |
189 | CF_NEW = 0x0004, /* has never been switched to */ |
210 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
190 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
211 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
191 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
212 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
192 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
213 | }; |
193 | }; |
214 | |
194 | |
215 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
195 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
216 | typedef struct |
196 | typedef struct |
217 | { |
197 | { |
218 | SV *defsv; |
|
|
219 | AV *defav; |
|
|
220 | SV *errsv; |
|
|
221 | SV *irsgv; |
|
|
222 | HV *hinthv; |
|
|
223 | #define VAR(name,type) type name; |
198 | #define VARx(name,expr,type) type name; |
224 | # include "state.h" |
199 | #include "state.h" |
225 | #undef VAR |
|
|
226 | } perl_slots; |
200 | } perl_slots; |
227 | |
201 | |
228 | // how many context stack entries do we need for perl_slots |
202 | /* how many context stack entries do we need for perl_slots */ |
229 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
203 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
230 | |
204 | |
231 | /* this is a structure representing a perl-level coroutine */ |
205 | /* this is a structure representing a perl-level coroutine */ |
232 | struct coro { |
206 | struct coro |
|
|
207 | { |
233 | /* the C coroutine allocated to this perl coroutine, if any */ |
208 | /* the C coroutine allocated to this perl coroutine, if any */ |
234 | coro_cctx *cctx; |
209 | coro_cctx *cctx; |
235 | |
210 | |
236 | /* ready queue */ |
211 | /* ready queue */ |
237 | struct coro *next_ready; |
212 | struct coro *next_ready; |
… | |
… | |
239 | /* state data */ |
214 | /* state data */ |
240 | struct CoroSLF slf_frame; /* saved slf frame */ |
215 | struct CoroSLF slf_frame; /* saved slf frame */ |
241 | AV *mainstack; |
216 | AV *mainstack; |
242 | perl_slots *slot; /* basically the saved sp */ |
217 | perl_slots *slot; /* basically the saved sp */ |
243 | |
218 | |
244 | CV *startcv; /* the CV to execute */ |
219 | CV *startcv; /* the CV to execute */ |
245 | AV *args; /* data associated with this coroutine (initial args) */ |
220 | AV *args; /* data associated with this coroutine (initial args) */ |
246 | int refcnt; /* coroutines are refcounted, yes */ |
|
|
247 | int flags; /* CF_ flags */ |
221 | int flags; /* CF_ flags */ |
248 | HV *hv; /* the perl hash associated with this coro, if any */ |
222 | HV *hv; /* the perl hash associated with this coro, if any */ |
249 | |
223 | |
250 | /* statistics */ |
224 | /* statistics */ |
251 | int usecount; /* number of transfers to this coro */ |
225 | int usecount; /* number of transfers to this coro */ |
252 | |
226 | |
253 | /* coro process data */ |
227 | /* coro process data */ |
254 | int prio; |
228 | int prio; |
255 | SV *except; /* exception to be thrown */ |
229 | SV *except; /* exception to be thrown */ |
256 | SV *rouse_cb; |
230 | SV *rouse_cb; /* last rouse callback */ |
|
|
231 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
|
|
232 | AV *status; /* the exit status list */ |
257 | |
233 | |
258 | /* async_pool */ |
234 | /* async_pool */ |
259 | SV *saved_deffh; |
235 | SV *saved_deffh; |
260 | SV *invoke_cb; |
236 | SV *invoke_cb; |
261 | AV *invoke_av; |
237 | AV *invoke_av; |
… | |
… | |
297 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
273 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
298 | static CV *cv_coro_run; |
274 | static CV *cv_coro_run; |
299 | static struct coro *coro_first; |
275 | static struct coro *coro_first; |
300 | #define coro_nready coroapi.nready |
276 | #define coro_nready coroapi.nready |
301 | |
277 | |
|
|
278 | /** JIT *********************************************************************/ |
|
|
279 | |
|
|
280 | #if CORO_JIT |
|
|
281 | /* APPLE doesn't have mmap though */ |
|
|
282 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
|
|
283 | #ifndef CORO_JIT_TYPE |
|
|
284 | #if ECB_AMD64 && CORO_JIT_UNIXY |
|
|
285 | #define CORO_JIT_TYPE "amd64-unix" |
|
|
286 | #elif __i386 && CORO_JIT_UNIXY |
|
|
287 | #define CORO_JIT_TYPE "x86-unix" |
|
|
288 | #endif |
|
|
289 | #endif |
|
|
290 | #endif |
|
|
291 | |
|
|
292 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
|
|
293 | #undef CORO_JIT |
|
|
294 | #endif |
|
|
295 | |
|
|
296 | #if CORO_JIT |
|
|
297 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
|
|
298 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
|
|
299 | #endif |
|
|
300 | |
302 | /** Coro::Select ************************************************************/ |
301 | /** Coro::Select ************************************************************/ |
303 | |
302 | |
304 | static OP *(*coro_old_pp_sselect) (pTHX); |
303 | static OP *(*coro_old_pp_sselect) (pTHX); |
305 | static SV *coro_select_select; |
304 | static SV *coro_select_select; |
306 | |
305 | |
… | |
… | |
321 | |
320 | |
322 | /** time stuff **************************************************************/ |
321 | /** time stuff **************************************************************/ |
323 | |
322 | |
324 | #ifdef HAS_GETTIMEOFDAY |
323 | #ifdef HAS_GETTIMEOFDAY |
325 | |
324 | |
326 | static void |
325 | ecb_inline void |
327 | coro_u2time (pTHX_ UV ret[2]) |
326 | coro_u2time (pTHX_ UV ret[2]) |
328 | { |
327 | { |
329 | struct timeval tv; |
328 | struct timeval tv; |
330 | gettimeofday (&tv, 0); |
329 | gettimeofday (&tv, 0); |
331 | |
330 | |
332 | ret [0] = tv.tv_sec; |
331 | ret [0] = tv.tv_sec; |
333 | ret [1] = tv.tv_usec; |
332 | ret [1] = tv.tv_usec; |
334 | } |
333 | } |
335 | |
334 | |
336 | static double |
335 | ecb_inline double |
337 | coro_nvtime () |
336 | coro_nvtime (void) |
338 | { |
337 | { |
339 | struct timeval tv; |
338 | struct timeval tv; |
340 | gettimeofday (&tv, 0); |
339 | gettimeofday (&tv, 0); |
341 | |
340 | |
342 | return tv.tv_sec + tv.tv_usec * 1e-6; |
341 | return tv.tv_sec + tv.tv_usec * 1e-6; |
343 | } |
342 | } |
344 | |
343 | |
345 | static void |
344 | ecb_inline void |
346 | time_init (pTHX) |
345 | time_init (pTHX) |
347 | { |
346 | { |
348 | nvtime = coro_nvtime; |
347 | nvtime = coro_nvtime; |
349 | u2time = coro_u2time; |
348 | u2time = coro_u2time; |
350 | } |
349 | } |
351 | |
350 | |
352 | #else |
351 | #else |
353 | |
352 | |
354 | static void |
353 | ecb_inline void |
355 | time_init (pTHX) |
354 | time_init (pTHX) |
356 | { |
355 | { |
357 | SV **svp; |
356 | SV **svp; |
358 | |
357 | |
359 | require_pv ("Time/HiRes.pm"); |
358 | require_pv ("Time/HiRes.pm"); |
360 | |
359 | |
361 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
360 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
362 | |
361 | |
363 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
362 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
364 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
363 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
365 | |
364 | |
… | |
… | |
371 | |
370 | |
372 | #endif |
371 | #endif |
373 | |
372 | |
374 | /** lowlevel stuff **********************************************************/ |
373 | /** lowlevel stuff **********************************************************/ |
375 | |
374 | |
376 | static SV * |
375 | static SV * ecb_noinline |
377 | coro_get_sv (pTHX_ const char *name, int create) |
376 | coro_get_sv (pTHX_ const char *name, int create) |
378 | { |
377 | { |
379 | #if PERL_VERSION_ATLEAST (5,10,0) |
378 | #if PERL_VERSION_ATLEAST (5,10,0) |
380 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
379 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
381 | get_sv (name, create); |
380 | get_sv (name, create); |
382 | #endif |
381 | #endif |
383 | return get_sv (name, create); |
382 | return get_sv (name, create); |
384 | } |
383 | } |
385 | |
384 | |
386 | static AV * |
385 | static AV * ecb_noinline |
387 | coro_get_av (pTHX_ const char *name, int create) |
386 | coro_get_av (pTHX_ const char *name, int create) |
388 | { |
387 | { |
389 | #if PERL_VERSION_ATLEAST (5,10,0) |
388 | #if PERL_VERSION_ATLEAST (5,10,0) |
390 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
389 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
391 | get_av (name, create); |
390 | get_av (name, create); |
392 | #endif |
391 | #endif |
393 | return get_av (name, create); |
392 | return get_av (name, create); |
394 | } |
393 | } |
395 | |
394 | |
396 | static HV * |
395 | static HV * ecb_noinline |
397 | coro_get_hv (pTHX_ const char *name, int create) |
396 | coro_get_hv (pTHX_ const char *name, int create) |
398 | { |
397 | { |
399 | #if PERL_VERSION_ATLEAST (5,10,0) |
398 | #if PERL_VERSION_ATLEAST (5,10,0) |
400 | /* 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 */ |
401 | get_hv (name, create); |
400 | get_hv (name, create); |
402 | #endif |
401 | #endif |
403 | return get_hv (name, create); |
402 | return get_hv (name, create); |
404 | } |
403 | } |
405 | |
404 | |
406 | INLINE void |
405 | ecb_inline void |
407 | coro_times_update () |
406 | coro_times_update (void) |
408 | { |
407 | { |
409 | #ifdef coro_clock_gettime |
408 | #ifdef coro_clock_gettime |
410 | struct timespec ts; |
409 | struct timespec ts; |
411 | |
410 | |
412 | ts.tv_sec = ts.tv_nsec = 0; |
411 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
424 | time_real [0] = tv [0]; |
423 | time_real [0] = tv [0]; |
425 | time_real [1] = tv [1] * 1000; |
424 | time_real [1] = tv [1] * 1000; |
426 | #endif |
425 | #endif |
427 | } |
426 | } |
428 | |
427 | |
429 | INLINE void |
428 | ecb_inline void |
430 | coro_times_add (struct coro *c) |
429 | coro_times_add (struct coro *c) |
431 | { |
430 | { |
432 | c->t_real [1] += time_real [1]; |
431 | c->t_real [1] += time_real [1]; |
433 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
432 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
434 | c->t_real [0] += time_real [0]; |
433 | c->t_real [0] += time_real [0]; |
… | |
… | |
436 | c->t_cpu [1] += time_cpu [1]; |
435 | c->t_cpu [1] += time_cpu [1]; |
437 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
436 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
438 | c->t_cpu [0] += time_cpu [0]; |
437 | c->t_cpu [0] += time_cpu [0]; |
439 | } |
438 | } |
440 | |
439 | |
441 | INLINE void |
440 | ecb_inline void |
442 | coro_times_sub (struct coro *c) |
441 | coro_times_sub (struct coro *c) |
443 | { |
442 | { |
444 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
443 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
445 | c->t_real [1] -= time_real [1]; |
444 | c->t_real [1] -= time_real [1]; |
446 | c->t_real [0] -= time_real [0]; |
445 | c->t_real [0] -= time_real [0]; |
… | |
… | |
454 | /* magic glue */ |
453 | /* magic glue */ |
455 | |
454 | |
456 | #define CORO_MAGIC_type_cv 26 |
455 | #define CORO_MAGIC_type_cv 26 |
457 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
456 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
458 | |
457 | |
459 | #define CORO_MAGIC_NN(sv, type) \ |
458 | #define CORO_MAGIC_NN(sv, type) \ |
460 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
459 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
461 | ? SvMAGIC (sv) \ |
460 | ? SvMAGIC (sv) \ |
462 | : mg_find (sv, type)) |
461 | : mg_find (sv, type)) |
463 | |
462 | |
464 | #define CORO_MAGIC(sv, type) \ |
463 | #define CORO_MAGIC(sv, type) \ |
465 | (expect_true (SvMAGIC (sv)) \ |
464 | (ecb_expect_true (SvMAGIC (sv)) \ |
466 | ? CORO_MAGIC_NN (sv, type) \ |
465 | ? CORO_MAGIC_NN (sv, type) \ |
467 | : 0) |
466 | : 0) |
468 | |
467 | |
469 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
468 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
470 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
469 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
471 | |
470 | |
472 | INLINE struct coro * |
471 | ecb_inline MAGIC * |
|
|
472 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
473 | { |
|
|
474 | MAGIC *mg; |
|
|
475 | |
|
|
476 | if (ecb_expect_true ( |
|
|
477 | SvTYPE (coro) == SVt_PVHV |
|
|
478 | && (mg = CORO_MAGIC_state (coro)) |
|
|
479 | && mg->mg_virtual == &coro_state_vtbl |
|
|
480 | )) |
|
|
481 | return mg; |
|
|
482 | |
|
|
483 | return 0; |
|
|
484 | } |
|
|
485 | |
|
|
486 | ecb_inline struct coro * |
473 | SvSTATE_ (pTHX_ SV *coro) |
487 | SvSTATE_ (pTHX_ SV *coro) |
474 | { |
488 | { |
475 | HV *stash; |
|
|
476 | MAGIC *mg; |
489 | MAGIC *mg; |
477 | |
490 | |
478 | if (SvROK (coro)) |
491 | if (SvROK (coro)) |
479 | coro = SvRV (coro); |
492 | coro = SvRV (coro); |
480 | |
493 | |
481 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
494 | mg = SvSTATEhv_p (aTHX_ coro); |
|
|
495 | if (!mg) |
482 | croak ("Coro::State object required"); |
496 | croak ("Coro::State object required"); |
483 | |
497 | |
484 | stash = SvSTASH (coro); |
|
|
485 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
486 | { |
|
|
487 | /* very slow, but rare, check */ |
|
|
488 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
489 | croak ("Coro::State object required"); |
|
|
490 | } |
|
|
491 | |
|
|
492 | mg = CORO_MAGIC_state (coro); |
|
|
493 | return (struct coro *)mg->mg_ptr; |
498 | return (struct coro *)mg->mg_ptr; |
494 | } |
499 | } |
495 | |
500 | |
496 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
501 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
497 | |
502 | |
… | |
… | |
500 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
505 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
501 | |
506 | |
502 | /*****************************************************************************/ |
507 | /*****************************************************************************/ |
503 | /* padlist management and caching */ |
508 | /* padlist management and caching */ |
504 | |
509 | |
505 | static AV * |
510 | ecb_inline PADLIST * |
506 | coro_derive_padlist (pTHX_ CV *cv) |
511 | coro_derive_padlist (pTHX_ CV *cv) |
507 | { |
512 | { |
508 | AV *padlist = CvPADLIST (cv); |
513 | PADLIST *padlist = CvPADLIST (cv); |
509 | AV *newpadlist, *newpad; |
514 | PADLIST *newpadlist; |
|
|
515 | PAD *newpad; |
|
|
516 | PADOFFSET off = PadlistMAX (padlist) + 1; |
510 | |
517 | |
511 | newpadlist = newAV (); |
518 | #if NEWPADAPI |
|
|
519 | |
|
|
520 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
521 | --off; |
|
|
522 | |
|
|
523 | Perl_pad_push (aTHX_ padlist, off); |
|
|
524 | newpad = PadlistARRAY (padlist)[off]; |
|
|
525 | PadlistARRAY (padlist)[off] = 0; |
|
|
526 | |
|
|
527 | #else |
|
|
528 | |
|
|
529 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
530 | Perl_pad_push (aTHX_ padlist, off); |
|
|
531 | #else |
|
|
532 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
533 | #endif |
|
|
534 | |
|
|
535 | newpad = PadlistARRAY (padlist)[off]; |
|
|
536 | PadlistMAX (padlist) = off - 1; |
|
|
537 | |
|
|
538 | #endif |
|
|
539 | |
|
|
540 | newPADLIST (newpadlist); |
|
|
541 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
542 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
512 | AvREAL_off (newpadlist); |
543 | AvREAL_off (newpadlist); |
513 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
514 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
515 | #else |
|
|
516 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
517 | #endif |
544 | #endif |
518 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
519 | --AvFILLp (padlist); |
|
|
520 | |
545 | |
521 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
546 | /* Already extended to 2 elements by newPADLIST. */ |
522 | av_store (newpadlist, 1, (SV *)newpad); |
547 | PadlistMAX (newpadlist) = 1; |
|
|
548 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
|
|
549 | PadlistARRAY (newpadlist)[1] = newpad; |
523 | |
550 | |
524 | return newpadlist; |
551 | return newpadlist; |
525 | } |
552 | } |
526 | |
553 | |
527 | static void |
554 | ecb_inline void |
528 | free_padlist (pTHX_ AV *padlist) |
555 | free_padlist (pTHX_ PADLIST *padlist) |
529 | { |
556 | { |
530 | /* may be during global destruction */ |
557 | /* may be during global destruction */ |
531 | if (!IN_DESTRUCT) |
558 | if (!IN_DESTRUCT) |
532 | { |
559 | { |
533 | I32 i = AvFILLp (padlist); |
560 | I32 i = PadlistMAX (padlist); |
534 | |
561 | |
535 | while (i > 0) /* special-case index 0 */ |
562 | while (i > 0) /* special-case index 0 */ |
536 | { |
563 | { |
537 | /* we try to be extra-careful here */ |
564 | /* we try to be extra-careful here */ |
538 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
565 | PAD *pad = PadlistARRAY (padlist)[i--]; |
539 | I32 j = AvFILLp (av); |
566 | I32 j = PadMAX (pad); |
540 | |
567 | |
541 | while (j >= 0) |
568 | while (j >= 0) |
542 | SvREFCNT_dec (AvARRAY (av)[j--]); |
569 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
543 | |
570 | |
544 | AvFILLp (av) = -1; |
571 | PadMAX (pad) = -1; |
545 | SvREFCNT_dec (av); |
572 | SvREFCNT_dec (pad); |
546 | } |
573 | } |
547 | |
574 | |
548 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
575 | SvREFCNT_dec (PadlistNAMES (padlist)); |
549 | |
576 | |
|
|
577 | #if NEWPADAPI |
|
|
578 | Safefree (PadlistARRAY (padlist)); |
|
|
579 | Safefree (padlist); |
|
|
580 | #else |
550 | AvFILLp (padlist) = -1; |
581 | AvFILLp (padlist) = -1; |
|
|
582 | AvREAL_off (padlist); |
551 | SvREFCNT_dec ((SV*)padlist); |
583 | SvREFCNT_dec ((SV*)padlist); |
|
|
584 | #endif |
552 | } |
585 | } |
553 | } |
586 | } |
554 | |
587 | |
555 | static int |
588 | static int |
556 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
589 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
557 | { |
590 | { |
558 | AV *padlist; |
591 | PADLIST *padlist; |
559 | AV *av = (AV *)mg->mg_obj; |
592 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
593 | size_t len = *(size_t *)mg->mg_ptr; |
560 | |
594 | |
561 | /* perl manages to free our internal AV and _then_ call us */ |
595 | /* perl manages to free our internal AV and _then_ call us */ |
562 | if (IN_DESTRUCT) |
596 | if (IN_DESTRUCT) |
563 | return 0; |
597 | return 0; |
564 | |
598 | |
565 | /* casting is fun. */ |
599 | while (len--) |
566 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
567 | free_padlist (aTHX_ padlist); |
600 | free_padlist (aTHX_ padlists[len]); |
568 | |
|
|
569 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
570 | |
601 | |
571 | return 0; |
602 | return 0; |
572 | } |
603 | } |
573 | |
604 | |
574 | static MGVTBL coro_cv_vtbl = { |
605 | static MGVTBL coro_cv_vtbl = { |
575 | 0, 0, 0, 0, |
606 | 0, 0, 0, 0, |
576 | coro_cv_free |
607 | coro_cv_free |
577 | }; |
608 | }; |
578 | |
609 | |
579 | /* the next two functions merely cache the padlists */ |
610 | /* the next two functions merely cache the padlists */ |
580 | static void |
611 | ecb_inline void |
581 | get_padlist (pTHX_ CV *cv) |
612 | get_padlist (pTHX_ CV *cv) |
582 | { |
613 | { |
583 | MAGIC *mg = CORO_MAGIC_cv (cv); |
614 | MAGIC *mg = CORO_MAGIC_cv (cv); |
584 | AV *av; |
615 | size_t *lenp; |
585 | |
616 | |
586 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
617 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
587 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
618 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
588 | else |
619 | else |
589 | { |
620 | { |
590 | #if CORO_PREFER_PERL_FUNCTIONS |
621 | #if CORO_PREFER_PERL_FUNCTIONS |
591 | /* this is probably cleaner? but also slower! */ |
622 | /* this is probably cleaner? but also slower! */ |
592 | /* in practise, it seems to be less stable */ |
623 | /* in practise, it seems to be less stable */ |
… | |
… | |
598 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
629 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
599 | #endif |
630 | #endif |
600 | } |
631 | } |
601 | } |
632 | } |
602 | |
633 | |
603 | static void |
634 | ecb_inline void |
604 | put_padlist (pTHX_ CV *cv) |
635 | put_padlist (pTHX_ CV *cv) |
605 | { |
636 | { |
606 | MAGIC *mg = CORO_MAGIC_cv (cv); |
637 | MAGIC *mg = CORO_MAGIC_cv (cv); |
607 | AV *av; |
|
|
608 | |
638 | |
609 | if (expect_false (!mg)) |
639 | if (ecb_expect_false (!mg)) |
|
|
640 | { |
610 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
641 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
642 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
643 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
644 | } |
|
|
645 | else |
|
|
646 | Renew (mg->mg_ptr, |
|
|
647 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
648 | char); |
611 | |
649 | |
612 | av = (AV *)mg->mg_obj; |
650 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
613 | |
|
|
614 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
615 | av_extend (av, AvFILLp (av) + 1); |
|
|
616 | |
|
|
617 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
618 | } |
651 | } |
619 | |
652 | |
620 | /** load & save, init *******************************************************/ |
653 | /** load & save, init *******************************************************/ |
621 | |
654 | |
|
|
655 | ecb_inline void |
|
|
656 | swap_sv (SV *a, SV *b) |
|
|
657 | { |
|
|
658 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
659 | SV tmp; |
|
|
660 | |
|
|
661 | /* swap sv_any */ |
|
|
662 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
663 | |
|
|
664 | /* swap sv_flags */ |
|
|
665 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
666 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
667 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
668 | |
|
|
669 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
670 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
671 | * is much faster, so no quarrels here. alternatively, we could |
|
|
672 | * sv_upgrade to avoid this. |
|
|
673 | */ |
|
|
674 | { |
|
|
675 | /* swap sv_u */ |
|
|
676 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
677 | |
|
|
678 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
679 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
680 | */ |
|
|
681 | #define svany_in_head(type) \ |
|
|
682 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
683 | |
|
|
684 | if (svany_in_head (SvTYPE (a))) |
|
|
685 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
686 | |
|
|
687 | if (svany_in_head (SvTYPE (b))) |
|
|
688 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
689 | } |
|
|
690 | #endif |
|
|
691 | } |
|
|
692 | |
622 | /* swap sv heads, at least logically */ |
693 | /* swap sv heads, at least logically */ |
623 | static void |
694 | static void |
624 | swap_svs (pTHX_ Coro__State c) |
695 | swap_svs (pTHX_ Coro__State c) |
625 | { |
696 | { |
626 | int i; |
697 | int i; |
627 | |
698 | |
628 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
699 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
629 | { |
700 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
630 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
631 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
632 | |
|
|
633 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
634 | SV tmp; |
|
|
635 | |
|
|
636 | /* swap sv_any */ |
|
|
637 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
638 | |
|
|
639 | /* swap sv_flags */ |
|
|
640 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
641 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
642 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
643 | |
|
|
644 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
645 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
646 | * much faster, so no quarrels here. alternatively, we could |
|
|
647 | * sv_upgrade to avoid this. |
|
|
648 | */ |
|
|
649 | { |
|
|
650 | /* swap sv_u */ |
|
|
651 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
652 | |
|
|
653 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
654 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
655 | */ |
|
|
656 | #define svany_in_head(type) \ |
|
|
657 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
658 | |
|
|
659 | if (svany_in_head (SvTYPE (a))) |
|
|
660 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
661 | |
|
|
662 | if (svany_in_head (SvTYPE (b))) |
|
|
663 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
664 | } |
|
|
665 | #endif |
|
|
666 | } |
|
|
667 | } |
701 | } |
668 | |
702 | |
669 | #define SWAP_SVS(coro) \ |
703 | #define SWAP_SVS(coro) \ |
670 | if (expect_false ((coro)->swap_sv)) \ |
704 | if (ecb_expect_false ((coro)->swap_sv)) \ |
671 | swap_svs (aTHX_ (coro)) |
705 | swap_svs (aTHX_ (coro)) |
672 | |
706 | |
673 | static void |
707 | static void |
674 | on_enterleave_call (pTHX_ SV *cb); |
708 | on_enterleave_call (pTHX_ SV *cb); |
675 | |
709 | |
… | |
… | |
679 | perl_slots *slot = c->slot; |
713 | perl_slots *slot = c->slot; |
680 | c->slot = 0; |
714 | c->slot = 0; |
681 | |
715 | |
682 | PL_mainstack = c->mainstack; |
716 | PL_mainstack = c->mainstack; |
683 | |
717 | |
684 | GvSV (PL_defgv) = slot->defsv; |
718 | #if CORO_JIT |
685 | GvAV (PL_defgv) = slot->defav; |
719 | load_perl_slots (slot); |
686 | GvSV (PL_errgv) = slot->errsv; |
720 | #else |
687 | GvSV (irsgv) = slot->irsgv; |
|
|
688 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
689 | |
|
|
690 | #define VAR(name,type) PL_ ## name = slot->name; |
721 | #define VARx(name,expr,type) expr = slot->name; |
691 | # include "state.h" |
722 | #include "state.h" |
692 | #undef VAR |
723 | #endif |
693 | |
724 | |
694 | { |
725 | { |
695 | dSP; |
726 | dSP; |
696 | |
727 | |
697 | CV *cv; |
728 | CV *cv; |
698 | |
729 | |
699 | /* now do the ugly restore mess */ |
730 | /* now do the ugly restore mess */ |
700 | while (expect_true (cv = (CV *)POPs)) |
731 | while (ecb_expect_true (cv = (CV *)POPs)) |
701 | { |
732 | { |
702 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
733 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
703 | CvDEPTH (cv) = PTR2IV (POPs); |
734 | CvDEPTH (cv) = PTR2IV (POPs); |
704 | CvPADLIST (cv) = (AV *)POPs; |
735 | CvPADLIST (cv) = (PADLIST *)POPs; |
705 | } |
736 | } |
706 | |
737 | |
707 | PUTBACK; |
738 | PUTBACK; |
708 | } |
739 | } |
709 | |
740 | |
710 | slf_frame = c->slf_frame; |
741 | slf_frame = c->slf_frame; |
711 | CORO_THROW = c->except; |
742 | CORO_THROW = c->except; |
712 | |
743 | |
713 | if (expect_false (enable_times)) |
744 | if (ecb_expect_false (enable_times)) |
714 | { |
745 | { |
715 | if (expect_false (!times_valid)) |
746 | if (ecb_expect_false (!times_valid)) |
716 | coro_times_update (); |
747 | coro_times_update (); |
717 | |
748 | |
718 | coro_times_sub (c); |
749 | coro_times_sub (c); |
719 | } |
750 | } |
720 | |
751 | |
721 | if (expect_false (c->on_enter)) |
752 | if (ecb_expect_false (c->on_enter)) |
722 | { |
753 | { |
723 | int i; |
754 | int i; |
724 | |
755 | |
725 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
756 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
726 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
757 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
… | |
… | |
732 | static void |
763 | static void |
733 | save_perl (pTHX_ Coro__State c) |
764 | save_perl (pTHX_ Coro__State c) |
734 | { |
765 | { |
735 | SWAP_SVS (c); |
766 | SWAP_SVS (c); |
736 | |
767 | |
737 | if (expect_false (c->on_leave)) |
768 | if (ecb_expect_false (c->on_leave)) |
738 | { |
769 | { |
739 | int i; |
770 | int i; |
740 | |
771 | |
741 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
772 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
742 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
773 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
743 | } |
774 | } |
744 | |
775 | |
745 | times_valid = 0; |
776 | times_valid = 0; |
746 | |
777 | |
747 | if (expect_false (enable_times)) |
778 | if (ecb_expect_false (enable_times)) |
748 | { |
779 | { |
749 | coro_times_update (); times_valid = 1; |
780 | coro_times_update (); times_valid = 1; |
750 | coro_times_add (c); |
781 | coro_times_add (c); |
751 | } |
782 | } |
752 | |
783 | |
… | |
… | |
766 | |
797 | |
767 | XPUSHs (Nullsv); |
798 | XPUSHs (Nullsv); |
768 | /* this loop was inspired by pp_caller */ |
799 | /* this loop was inspired by pp_caller */ |
769 | for (;;) |
800 | for (;;) |
770 | { |
801 | { |
771 | while (expect_true (cxix >= 0)) |
802 | while (ecb_expect_true (cxix >= 0)) |
772 | { |
803 | { |
773 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
804 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
774 | |
805 | |
775 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
806 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
776 | { |
807 | { |
777 | CV *cv = cx->blk_sub.cv; |
808 | CV *cv = cx->blk_sub.cv; |
778 | |
809 | |
779 | if (expect_true (CvDEPTH (cv))) |
810 | if (ecb_expect_true (CvDEPTH (cv))) |
780 | { |
811 | { |
781 | EXTEND (SP, 3); |
812 | EXTEND (SP, 3); |
782 | PUSHs ((SV *)CvPADLIST (cv)); |
813 | PUSHs ((SV *)CvPADLIST (cv)); |
783 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
814 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
784 | PUSHs ((SV *)cv); |
815 | PUSHs ((SV *)cv); |
… | |
… | |
787 | get_padlist (aTHX_ cv); |
818 | get_padlist (aTHX_ cv); |
788 | } |
819 | } |
789 | } |
820 | } |
790 | } |
821 | } |
791 | |
822 | |
792 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
823 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
793 | break; |
824 | break; |
794 | |
825 | |
795 | top_si = top_si->si_prev; |
826 | top_si = top_si->si_prev; |
796 | ccstk = top_si->si_cxstack; |
827 | ccstk = top_si->si_cxstack; |
797 | cxix = top_si->si_cxix; |
828 | cxix = top_si->si_cxix; |
… | |
… | |
799 | |
830 | |
800 | PUTBACK; |
831 | PUTBACK; |
801 | } |
832 | } |
802 | |
833 | |
803 | /* allocate some space on the context stack for our purposes */ |
834 | /* allocate some space on the context stack for our purposes */ |
804 | if (expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
835 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
805 | { |
836 | { |
806 | unsigned int i; |
837 | unsigned int i; |
807 | |
838 | |
808 | for (i = 0; i < SLOT_COUNT; ++i) |
839 | for (i = 0; i < SLOT_COUNT; ++i) |
809 | CXINC; |
840 | CXINC; |
… | |
… | |
814 | c->mainstack = PL_mainstack; |
845 | c->mainstack = PL_mainstack; |
815 | |
846 | |
816 | { |
847 | { |
817 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
848 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
818 | |
849 | |
819 | slot->defav = GvAV (PL_defgv); |
850 | #if CORO_JIT |
820 | slot->defsv = DEFSV; |
851 | save_perl_slots (slot); |
821 | slot->errsv = ERRSV; |
852 | #else |
822 | slot->irsgv = GvSV (irsgv); |
|
|
823 | slot->hinthv = GvHV (PL_hintgv); |
|
|
824 | |
|
|
825 | #define VAR(name,type) slot->name = PL_ ## name; |
853 | #define VARx(name,expr,type) slot->name = expr; |
826 | # include "state.h" |
854 | #include "state.h" |
827 | #undef VAR |
855 | #endif |
828 | } |
856 | } |
829 | } |
857 | } |
830 | |
858 | |
831 | /* |
859 | /* |
832 | * allocate various perl stacks. This is almost an exact copy |
860 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
863 | #endif |
891 | #endif |
864 | |
892 | |
865 | New(54,PL_scopestack,8,I32); |
893 | New(54,PL_scopestack,8,I32); |
866 | PL_scopestack_ix = 0; |
894 | PL_scopestack_ix = 0; |
867 | PL_scopestack_max = 8; |
895 | PL_scopestack_max = 8; |
|
|
896 | #if HAS_SCOPESTACK_NAME |
|
|
897 | New(54,PL_scopestack_name,8,const char*); |
|
|
898 | #endif |
868 | |
899 | |
869 | New(54,PL_savestack,24,ANY); |
900 | New(54,PL_savestack,24,ANY); |
870 | PL_savestack_ix = 0; |
901 | PL_savestack_ix = 0; |
871 | PL_savestack_max = 24; |
902 | PL_savestack_max = 24; |
872 | |
903 | |
… | |
… | |
900 | } |
931 | } |
901 | |
932 | |
902 | Safefree (PL_tmps_stack); |
933 | Safefree (PL_tmps_stack); |
903 | Safefree (PL_markstack); |
934 | Safefree (PL_markstack); |
904 | Safefree (PL_scopestack); |
935 | Safefree (PL_scopestack); |
|
|
936 | #if HAS_SCOPESTACK_NAME |
|
|
937 | Safefree (PL_scopestack_name); |
|
|
938 | #endif |
905 | Safefree (PL_savestack); |
939 | Safefree (PL_savestack); |
906 | #if !PERL_VERSION_ATLEAST (5,10,0) |
940 | #if !PERL_VERSION_ATLEAST (5,10,0) |
907 | Safefree (PL_retstack); |
941 | Safefree (PL_retstack); |
908 | #endif |
942 | #endif |
909 | } |
943 | } |
… | |
… | |
955 | #endif |
989 | #endif |
956 | |
990 | |
957 | /* |
991 | /* |
958 | * This overrides the default magic get method of %SIG elements. |
992 | * This overrides the default magic get method of %SIG elements. |
959 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
993 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
960 | * and instead of trying to save and restore the hash elements, we just provide |
994 | * and instead of trying to save and restore the hash elements (extremely slow), |
961 | * readback here. |
995 | * we just provide our own readback here. |
962 | */ |
996 | */ |
963 | static int |
997 | static int ecb_cold |
964 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
998 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
965 | { |
999 | { |
966 | const char *s = MgPV_nolen_const (mg); |
1000 | const char *s = MgPV_nolen_const (mg); |
967 | |
1001 | |
968 | if (*s == '_') |
1002 | if (*s == '_') |
969 | { |
1003 | { |
970 | SV **svp = 0; |
1004 | SV **svp = 0; |
971 | |
1005 | |
972 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1006 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
973 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1007 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
974 | |
1008 | |
975 | if (svp) |
1009 | if (svp) |
976 | { |
1010 | { |
977 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1011 | SV *ssv; |
|
|
1012 | |
|
|
1013 | if (!*svp) |
|
|
1014 | ssv = &PL_sv_undef; |
|
|
1015 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1016 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1017 | else |
|
|
1018 | ssv = *svp; |
|
|
1019 | |
|
|
1020 | sv_setsv (sv, ssv); |
978 | return 0; |
1021 | return 0; |
979 | } |
1022 | } |
980 | } |
1023 | } |
981 | |
1024 | |
982 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1025 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
983 | } |
1026 | } |
984 | |
1027 | |
985 | static int |
1028 | static int ecb_cold |
986 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1029 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
987 | { |
1030 | { |
988 | const char *s = MgPV_nolen_const (mg); |
1031 | const char *s = MgPV_nolen_const (mg); |
989 | |
1032 | |
990 | if (*s == '_') |
1033 | if (*s == '_') |
… | |
… | |
1004 | } |
1047 | } |
1005 | |
1048 | |
1006 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1049 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1007 | } |
1050 | } |
1008 | |
1051 | |
1009 | static int |
1052 | static int ecb_cold |
1010 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1053 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1011 | { |
1054 | { |
1012 | const char *s = MgPV_nolen_const (mg); |
1055 | const char *s = MgPV_nolen_const (mg); |
1013 | |
1056 | |
1014 | if (*s == '_') |
1057 | if (*s == '_') |
… | |
… | |
1049 | return 1; |
1092 | return 1; |
1050 | } |
1093 | } |
1051 | |
1094 | |
1052 | static UNOP init_perl_op; |
1095 | static UNOP init_perl_op; |
1053 | |
1096 | |
1054 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1097 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1055 | init_perl (pTHX_ struct coro *coro) |
1098 | init_perl (pTHX_ struct coro *coro) |
1056 | { |
1099 | { |
1057 | /* |
1100 | /* |
1058 | * emulate part of the perl startup here. |
1101 | * emulate part of the perl startup here. |
1059 | */ |
1102 | */ |
… | |
… | |
1074 | PL_parser = 0; |
1117 | PL_parser = 0; |
1075 | #endif |
1118 | #endif |
1076 | PL_hints = 0; |
1119 | PL_hints = 0; |
1077 | |
1120 | |
1078 | /* recreate the die/warn hooks */ |
1121 | /* recreate the die/warn hooks */ |
1079 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1122 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1080 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1123 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1081 | |
1124 | |
1082 | GvSV (PL_defgv) = newSV (0); |
1125 | GvSV (PL_defgv) = newSV (0); |
1083 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1126 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1084 | GvSV (PL_errgv) = newSV (0); |
1127 | GvSV (PL_errgv) = newSV (0); |
1085 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1128 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1086 | GvHV (PL_hintgv) = 0; |
1129 | GvHV (PL_hintgv) = 0; |
… | |
… | |
1106 | /* this newly created coroutine might be run on an existing cctx which most |
1149 | /* this newly created coroutine might be run on an existing cctx which most |
1107 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1150 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1108 | */ |
1151 | */ |
1109 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1152 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1110 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1153 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1154 | slf_frame.destroy = 0; |
1111 | |
1155 | |
1112 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1156 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1113 | init_perl_op.op_next = PL_op; |
1157 | init_perl_op.op_next = PL_op; |
1114 | init_perl_op.op_type = OP_ENTERSUB; |
1158 | init_perl_op.op_type = OP_ENTERSUB; |
1115 | init_perl_op.op_ppaddr = pp_slf; |
1159 | init_perl_op.op_ppaddr = pp_slf; |
… | |
… | |
1120 | /* copy throw, in case it was set before init_perl */ |
1164 | /* copy throw, in case it was set before init_perl */ |
1121 | CORO_THROW = coro->except; |
1165 | CORO_THROW = coro->except; |
1122 | |
1166 | |
1123 | SWAP_SVS (coro); |
1167 | SWAP_SVS (coro); |
1124 | |
1168 | |
1125 | if (expect_false (enable_times)) |
1169 | if (ecb_expect_false (enable_times)) |
1126 | { |
1170 | { |
1127 | coro_times_update (); |
1171 | coro_times_update (); |
1128 | coro_times_sub (coro); |
1172 | coro_times_sub (coro); |
1129 | } |
1173 | } |
1130 | } |
1174 | } |
… | |
… | |
1167 | SvRV_set (coro_current, (SV *)coro->hv); |
1211 | SvRV_set (coro_current, (SV *)coro->hv); |
1168 | |
1212 | |
1169 | load_perl (aTHX_ coro); |
1213 | load_perl (aTHX_ coro); |
1170 | |
1214 | |
1171 | coro_unwind_stacks (aTHX); |
1215 | coro_unwind_stacks (aTHX); |
1172 | coro_destruct_stacks (aTHX); |
|
|
1173 | |
1216 | |
1174 | /* restore swapped sv's */ |
1217 | /* restore swapped sv's */ |
1175 | SWAP_SVS (coro); |
1218 | SWAP_SVS (coro); |
1176 | |
1219 | |
|
|
1220 | coro_destruct_stacks (aTHX); |
|
|
1221 | |
1177 | // now save some sv's to be free'd later |
1222 | /* now save some sv's to be free'd later */ |
1178 | svf [0] = GvSV (PL_defgv); |
1223 | svf [0] = GvSV (PL_defgv); |
1179 | svf [1] = (SV *)GvAV (PL_defgv); |
1224 | svf [1] = (SV *)GvAV (PL_defgv); |
1180 | svf [2] = GvSV (PL_errgv); |
1225 | svf [2] = GvSV (PL_errgv); |
1181 | svf [3] = (SV *)PL_defoutgv; |
1226 | svf [3] = (SV *)PL_defoutgv; |
1182 | svf [4] = PL_rs; |
1227 | svf [4] = PL_rs; |
… | |
… | |
1202 | SvREFCNT_dec (coro->invoke_cb); |
1247 | SvREFCNT_dec (coro->invoke_cb); |
1203 | SvREFCNT_dec (coro->invoke_av); |
1248 | SvREFCNT_dec (coro->invoke_av); |
1204 | } |
1249 | } |
1205 | } |
1250 | } |
1206 | |
1251 | |
1207 | INLINE void |
1252 | ecb_inline void |
1208 | free_coro_mortal (pTHX) |
1253 | free_coro_mortal (pTHX) |
1209 | { |
1254 | { |
1210 | if (expect_true (coro_mortal)) |
1255 | if (ecb_expect_true (coro_mortal)) |
1211 | { |
1256 | { |
1212 | SvREFCNT_dec (coro_mortal); |
1257 | SvREFCNT_dec ((SV *)coro_mortal); |
1213 | coro_mortal = 0; |
1258 | coro_mortal = 0; |
1214 | } |
1259 | } |
1215 | } |
1260 | } |
1216 | |
1261 | |
1217 | static int |
1262 | static int |
… | |
… | |
1350 | |
1395 | |
1351 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1396 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1352 | } |
1397 | } |
1353 | |
1398 | |
1354 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1399 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1355 | static void NOINLINE |
1400 | static void ecb_noinline |
1356 | cctx_prepare (pTHX) |
1401 | cctx_prepare (pTHX) |
1357 | { |
1402 | { |
1358 | PL_top_env = &PL_start_env; |
1403 | PL_top_env = &PL_start_env; |
1359 | |
1404 | |
1360 | if (cctx_current->flags & CC_TRACE) |
1405 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1371 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1416 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1372 | slf_frame.check = slf_check_set_stacklevel; |
1417 | slf_frame.check = slf_check_set_stacklevel; |
1373 | } |
1418 | } |
1374 | |
1419 | |
1375 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1420 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1376 | INLINE void |
1421 | ecb_inline void |
1377 | transfer_tail (pTHX) |
1422 | transfer_tail (pTHX) |
1378 | { |
1423 | { |
1379 | free_coro_mortal (aTHX); |
1424 | free_coro_mortal (aTHX); |
|
|
1425 | } |
|
|
1426 | |
|
|
1427 | /* try to exit the same way perl's main function would do */ |
|
|
1428 | /* we do not bother resetting the environment or other things *7 |
|
|
1429 | /* that are not, uhm, essential */ |
|
|
1430 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1431 | static void ecb_noinline ecb_cold |
|
|
1432 | perlish_exit (pTHX) |
|
|
1433 | { |
|
|
1434 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1435 | perl_free (PL_curinterp); |
|
|
1436 | exit (exitstatus); |
1380 | } |
1437 | } |
1381 | |
1438 | |
1382 | /* |
1439 | /* |
1383 | * this is a _very_ stripped down perl interpreter ;) |
1440 | * this is a _very_ stripped down perl interpreter ;) |
1384 | */ |
1441 | */ |
… | |
… | |
1413 | */ |
1470 | */ |
1414 | |
1471 | |
1415 | /* |
1472 | /* |
1416 | * If perl-run returns we assume exit() was being called or the coro |
1473 | * If perl-run returns we assume exit() was being called or the coro |
1417 | * fell off the end, which seems to be the only valid (non-bug) |
1474 | * fell off the end, which seems to be the only valid (non-bug) |
1418 | * reason for perl_run to return. We try to exit by jumping to the |
1475 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1419 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1476 | * doing in that case. YMMV. |
1420 | * coroutine as Coro has no such concept. |
|
|
1421 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1422 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1423 | */ |
1477 | */ |
1424 | PL_top_env = main_top_env; |
1478 | perlish_exit (aTHX); |
1425 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1426 | } |
1479 | } |
1427 | } |
1480 | } |
1428 | |
1481 | |
1429 | static coro_cctx * |
1482 | static coro_cctx * |
1430 | cctx_new () |
1483 | cctx_new (void) |
1431 | { |
1484 | { |
1432 | coro_cctx *cctx; |
1485 | coro_cctx *cctx; |
1433 | |
1486 | |
1434 | ++cctx_count; |
1487 | ++cctx_count; |
1435 | New (0, cctx, 1, coro_cctx); |
1488 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1441 | return cctx; |
1494 | return cctx; |
1442 | } |
1495 | } |
1443 | |
1496 | |
1444 | /* create a new cctx only suitable as source */ |
1497 | /* create a new cctx only suitable as source */ |
1445 | static coro_cctx * |
1498 | static coro_cctx * |
1446 | cctx_new_empty () |
1499 | cctx_new_empty (void) |
1447 | { |
1500 | { |
1448 | coro_cctx *cctx = cctx_new (); |
1501 | coro_cctx *cctx = cctx_new (); |
1449 | |
1502 | |
1450 | cctx->sptr = 0; |
1503 | cctx->stack.sptr = 0; |
1451 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1504 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1452 | |
1505 | |
1453 | return cctx; |
1506 | return cctx; |
1454 | } |
1507 | } |
1455 | |
1508 | |
1456 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1509 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1457 | static coro_cctx * |
1510 | static coro_cctx * |
1458 | cctx_new_run () |
1511 | cctx_new_run (void) |
1459 | { |
1512 | { |
1460 | coro_cctx *cctx = cctx_new (); |
1513 | coro_cctx *cctx = cctx_new (); |
1461 | void *stack_start; |
|
|
1462 | size_t stack_size; |
|
|
1463 | |
1514 | |
1464 | #if HAVE_MMAP |
1515 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1465 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1466 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1467 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1468 | |
|
|
1469 | if (cctx->sptr != (void *)-1) |
|
|
1470 | { |
|
|
1471 | #if CORO_STACKGUARD |
|
|
1472 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1473 | #endif |
|
|
1474 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1475 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1476 | cctx->flags |= CC_MAPPED; |
|
|
1477 | } |
1516 | { |
1478 | else |
|
|
1479 | #endif |
|
|
1480 | { |
|
|
1481 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1482 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1483 | |
|
|
1484 | if (!cctx->sptr) |
|
|
1485 | { |
|
|
1486 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1517 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1487 | _exit (EXIT_FAILURE); |
1518 | _exit (EXIT_FAILURE); |
1488 | } |
|
|
1489 | |
|
|
1490 | stack_start = cctx->sptr; |
|
|
1491 | stack_size = cctx->ssize; |
|
|
1492 | } |
1519 | } |
1493 | |
1520 | |
1494 | #if CORO_USE_VALGRIND |
|
|
1495 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1496 | #endif |
|
|
1497 | |
|
|
1498 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1521 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1499 | |
1522 | |
1500 | return cctx; |
1523 | return cctx; |
1501 | } |
1524 | } |
1502 | |
1525 | |
1503 | static void |
1526 | static void |
… | |
… | |
1509 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1532 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1510 | |
1533 | |
1511 | --cctx_count; |
1534 | --cctx_count; |
1512 | coro_destroy (&cctx->cctx); |
1535 | coro_destroy (&cctx->cctx); |
1513 | |
1536 | |
1514 | /* coro_transfer creates new, empty cctx's */ |
1537 | coro_stack_free (&cctx->stack); |
1515 | if (cctx->sptr) |
|
|
1516 | { |
|
|
1517 | #if CORO_USE_VALGRIND |
|
|
1518 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1519 | #endif |
|
|
1520 | |
|
|
1521 | #if HAVE_MMAP |
|
|
1522 | if (cctx->flags & CC_MAPPED) |
|
|
1523 | munmap (cctx->sptr, cctx->ssize); |
|
|
1524 | else |
|
|
1525 | #endif |
|
|
1526 | Safefree (cctx->sptr); |
|
|
1527 | } |
|
|
1528 | |
1538 | |
1529 | Safefree (cctx); |
1539 | Safefree (cctx); |
1530 | } |
1540 | } |
1531 | |
1541 | |
1532 | /* wether this cctx should be destructed */ |
1542 | /* wether this cctx should be destructed */ |
1533 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1543 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1534 | |
1544 | |
1535 | static coro_cctx * |
1545 | static coro_cctx * |
1536 | cctx_get (pTHX) |
1546 | cctx_get (pTHX) |
1537 | { |
1547 | { |
1538 | while (expect_true (cctx_first)) |
1548 | while (ecb_expect_true (cctx_first)) |
1539 | { |
1549 | { |
1540 | coro_cctx *cctx = cctx_first; |
1550 | coro_cctx *cctx = cctx_first; |
1541 | cctx_first = cctx->next; |
1551 | cctx_first = cctx->next; |
1542 | --cctx_idle; |
1552 | --cctx_idle; |
1543 | |
1553 | |
1544 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1554 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1545 | return cctx; |
1555 | return cctx; |
1546 | |
1556 | |
1547 | cctx_destroy (cctx); |
1557 | cctx_destroy (cctx); |
1548 | } |
1558 | } |
1549 | |
1559 | |
… | |
… | |
1551 | } |
1561 | } |
1552 | |
1562 | |
1553 | static void |
1563 | static void |
1554 | cctx_put (coro_cctx *cctx) |
1564 | cctx_put (coro_cctx *cctx) |
1555 | { |
1565 | { |
1556 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1566 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1557 | |
1567 | |
1558 | /* free another cctx if overlimit */ |
1568 | /* free another cctx if overlimit */ |
1559 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1569 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1560 | { |
1570 | { |
1561 | coro_cctx *first = cctx_first; |
1571 | coro_cctx *first = cctx_first; |
1562 | cctx_first = first->next; |
1572 | cctx_first = first->next; |
1563 | --cctx_idle; |
1573 | --cctx_idle; |
1564 | |
1574 | |
… | |
… | |
1575 | static void |
1585 | static void |
1576 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1586 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1577 | { |
1587 | { |
1578 | /* TODO: throwing up here is considered harmful */ |
1588 | /* TODO: throwing up here is considered harmful */ |
1579 | |
1589 | |
1580 | if (expect_true (prev != next)) |
1590 | if (ecb_expect_true (prev != next)) |
1581 | { |
1591 | { |
1582 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1592 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1583 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1593 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1584 | |
1594 | |
1585 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1595 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1586 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1596 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1587 | |
1597 | |
1588 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1598 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1589 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1599 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1590 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1600 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1591 | #endif |
1601 | #endif |
1592 | } |
1602 | } |
1593 | } |
1603 | } |
1594 | |
1604 | |
1595 | /* always use the TRANSFER macro */ |
1605 | /* always use the TRANSFER macro */ |
1596 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1606 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1597 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1607 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1598 | { |
1608 | { |
1599 | dSTACKLEVEL; |
1609 | dSTACKLEVEL; |
1600 | |
1610 | |
1601 | /* sometimes transfer is only called to set idle_sp */ |
1611 | /* sometimes transfer is only called to set idle_sp */ |
1602 | if (expect_false (!prev)) |
1612 | if (ecb_expect_false (!prev)) |
1603 | { |
1613 | { |
1604 | cctx_current->idle_sp = STACKLEVEL; |
1614 | cctx_current->idle_sp = STACKLEVEL; |
1605 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1615 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1606 | } |
1616 | } |
1607 | else if (expect_true (prev != next)) |
1617 | else if (ecb_expect_true (prev != next)) |
1608 | { |
1618 | { |
1609 | coro_cctx *cctx_prev; |
1619 | coro_cctx *cctx_prev; |
1610 | |
1620 | |
1611 | if (expect_false (prev->flags & CF_NEW)) |
1621 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1612 | { |
1622 | { |
1613 | /* create a new empty/source context */ |
1623 | /* create a new empty/source context */ |
1614 | prev->flags &= ~CF_NEW; |
1624 | prev->flags &= ~CF_NEW; |
1615 | prev->flags |= CF_RUNNING; |
1625 | prev->flags |= CF_RUNNING; |
1616 | } |
1626 | } |
… | |
… | |
1619 | next->flags |= CF_RUNNING; |
1629 | next->flags |= CF_RUNNING; |
1620 | |
1630 | |
1621 | /* first get rid of the old state */ |
1631 | /* first get rid of the old state */ |
1622 | save_perl (aTHX_ prev); |
1632 | save_perl (aTHX_ prev); |
1623 | |
1633 | |
1624 | if (expect_false (next->flags & CF_NEW)) |
1634 | if (ecb_expect_false (next->flags & CF_NEW)) |
1625 | { |
1635 | { |
1626 | /* need to start coroutine */ |
1636 | /* need to start coroutine */ |
1627 | next->flags &= ~CF_NEW; |
1637 | next->flags &= ~CF_NEW; |
1628 | /* setup coroutine call */ |
1638 | /* setup coroutine call */ |
1629 | init_perl (aTHX_ next); |
1639 | init_perl (aTHX_ next); |
1630 | } |
1640 | } |
1631 | else |
1641 | else |
1632 | load_perl (aTHX_ next); |
1642 | load_perl (aTHX_ next); |
1633 | |
1643 | |
1634 | /* possibly untie and reuse the cctx */ |
1644 | /* possibly untie and reuse the cctx */ |
1635 | if (expect_true ( |
1645 | if (ecb_expect_true ( |
1636 | cctx_current->idle_sp == STACKLEVEL |
1646 | cctx_current->idle_sp == STACKLEVEL |
1637 | && !(cctx_current->flags & CC_TRACE) |
1647 | && !(cctx_current->flags & CC_TRACE) |
1638 | && !force_cctx |
1648 | && !force_cctx |
1639 | )) |
1649 | )) |
1640 | { |
1650 | { |
1641 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1651 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1642 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1652 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1643 | |
1653 | |
1644 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1654 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1645 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1655 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1646 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1656 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1647 | if (expect_true (!next->cctx)) |
1657 | if (ecb_expect_true (!next->cctx)) |
1648 | next->cctx = cctx_get (aTHX); |
1658 | next->cctx = cctx_get (aTHX); |
1649 | |
1659 | |
1650 | cctx_put (cctx_current); |
1660 | cctx_put (cctx_current); |
1651 | } |
1661 | } |
1652 | else |
1662 | else |
1653 | prev->cctx = cctx_current; |
1663 | prev->cctx = cctx_current; |
1654 | |
1664 | |
1655 | ++next->usecount; |
1665 | ++next->usecount; |
1656 | |
1666 | |
1657 | cctx_prev = cctx_current; |
1667 | cctx_prev = cctx_current; |
1658 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1668 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1659 | |
1669 | |
1660 | next->cctx = 0; |
1670 | next->cctx = 0; |
1661 | |
1671 | |
1662 | if (expect_false (cctx_prev != cctx_current)) |
1672 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1663 | { |
1673 | { |
1664 | cctx_prev->top_env = PL_top_env; |
1674 | cctx_prev->top_env = PL_top_env; |
1665 | PL_top_env = cctx_current->top_env; |
1675 | PL_top_env = cctx_current->top_env; |
1666 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1676 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1667 | } |
1677 | } |
… | |
… | |
1673 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1683 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1674 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1684 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1675 | |
1685 | |
1676 | /** high level stuff ********************************************************/ |
1686 | /** high level stuff ********************************************************/ |
1677 | |
1687 | |
|
|
1688 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1689 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
|
|
1690 | static void |
|
|
1691 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1692 | |
1678 | static void |
1693 | static void |
1679 | coro_state_destroy (pTHX_ struct coro *coro) |
1694 | coro_state_destroy (pTHX_ struct coro *coro) |
1680 | { |
1695 | { |
1681 | if (coro->flags & CF_DESTROYED) |
1696 | if (coro->flags & CF_ZOMBIE) |
1682 | return; |
1697 | return; |
1683 | |
1698 | |
1684 | slf_destroy (aTHX_ coro); |
1699 | slf_destroy (aTHX_ coro); |
1685 | |
1700 | |
1686 | coro->flags |= CF_DESTROYED; |
1701 | coro->flags |= CF_ZOMBIE; |
1687 | |
1702 | |
1688 | if (coro->flags & CF_READY) |
1703 | if (coro->flags & CF_READY) |
1689 | { |
1704 | { |
1690 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1705 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1691 | /* alternative: look through all ready queues and remove the coro */ |
1706 | /* alternative: look through all ready queues and remove the coro */ |
1692 | --coro_nready; |
1707 | --coro_nready; |
1693 | } |
1708 | } |
1694 | else |
1709 | else |
1695 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1710 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1711 | |
|
|
1712 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1713 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1714 | if (coro == coro_first) coro_first = coro->next; |
1696 | |
1715 | |
1697 | if (coro->mainstack |
1716 | if (coro->mainstack |
1698 | && coro->mainstack != main_mainstack |
1717 | && coro->mainstack != main_mainstack |
1699 | && coro->slot |
1718 | && coro->slot |
1700 | && !PL_dirty) |
1719 | && !PL_dirty) |
1701 | destroy_perl (aTHX_ coro); |
1720 | destroy_perl (aTHX_ coro); |
1702 | |
1721 | |
1703 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1704 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1705 | if (coro == coro_first) coro_first = coro->next; |
|
|
1706 | |
|
|
1707 | cctx_destroy (coro->cctx); |
1722 | cctx_destroy (coro->cctx); |
1708 | SvREFCNT_dec (coro->startcv); |
1723 | SvREFCNT_dec (coro->startcv); |
1709 | SvREFCNT_dec (coro->args); |
1724 | SvREFCNT_dec (coro->args); |
1710 | SvREFCNT_dec (coro->swap_sv); |
1725 | SvREFCNT_dec (coro->swap_sv); |
1711 | SvREFCNT_dec (CORO_THROW); |
1726 | SvREFCNT_dec (CORO_THROW); |
|
|
1727 | |
|
|
1728 | coro_call_on_destroy (aTHX_ coro); |
|
|
1729 | |
|
|
1730 | /* more destruction mayhem in coro_state_free */ |
1712 | } |
1731 | } |
1713 | |
1732 | |
1714 | static int |
1733 | static int |
1715 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1734 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1716 | { |
1735 | { |
1717 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1736 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1718 | mg->mg_ptr = 0; |
1737 | mg->mg_ptr = 0; |
1719 | |
1738 | |
1720 | coro->hv = 0; |
|
|
1721 | |
|
|
1722 | if (--coro->refcnt < 0) |
|
|
1723 | { |
|
|
1724 | coro_state_destroy (aTHX_ coro); |
1739 | coro_state_destroy (aTHX_ coro); |
|
|
1740 | SvREFCNT_dec (coro->on_destroy); |
|
|
1741 | SvREFCNT_dec (coro->status); |
|
|
1742 | |
1725 | Safefree (coro); |
1743 | Safefree (coro); |
1726 | } |
|
|
1727 | |
1744 | |
1728 | return 0; |
1745 | return 0; |
1729 | } |
1746 | } |
1730 | |
1747 | |
1731 | static int |
1748 | static int ecb_cold |
1732 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1749 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1733 | { |
1750 | { |
1734 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1751 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1735 | |
1752 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1736 | ++coro->refcnt; |
1753 | mg->mg_ptr = 0; |
|
|
1754 | mg->mg_virtual = 0; |
1737 | |
1755 | |
1738 | return 0; |
1756 | return 0; |
1739 | } |
1757 | } |
1740 | |
1758 | |
1741 | static MGVTBL coro_state_vtbl = { |
1759 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1766 | TRANSFER (ta, 1); |
1784 | TRANSFER (ta, 1); |
1767 | } |
1785 | } |
1768 | |
1786 | |
1769 | /** Coro ********************************************************************/ |
1787 | /** Coro ********************************************************************/ |
1770 | |
1788 | |
1771 | INLINE void |
1789 | ecb_inline void |
1772 | coro_enq (pTHX_ struct coro *coro) |
1790 | coro_enq (pTHX_ struct coro *coro) |
1773 | { |
1791 | { |
1774 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1792 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1775 | |
1793 | |
1776 | SvREFCNT_inc_NN (coro->hv); |
1794 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1778 | coro->next_ready = 0; |
1796 | coro->next_ready = 0; |
1779 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1797 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1780 | ready [1] = coro; |
1798 | ready [1] = coro; |
1781 | } |
1799 | } |
1782 | |
1800 | |
1783 | INLINE struct coro * |
1801 | ecb_inline struct coro * |
1784 | coro_deq (pTHX) |
1802 | coro_deq (pTHX) |
1785 | { |
1803 | { |
1786 | int prio; |
1804 | int prio; |
1787 | |
1805 | |
1788 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1806 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1841 | { |
1859 | { |
1842 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1860 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1843 | } |
1861 | } |
1844 | |
1862 | |
1845 | /* expects to own a reference to next->hv */ |
1863 | /* expects to own a reference to next->hv */ |
1846 | INLINE void |
1864 | ecb_inline void |
1847 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1865 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1848 | { |
1866 | { |
1849 | SV *prev_sv = SvRV (coro_current); |
1867 | SV *prev_sv = SvRV (coro_current); |
1850 | |
1868 | |
1851 | ta->prev = SvSTATE_hv (prev_sv); |
1869 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1864 | { |
1882 | { |
1865 | for (;;) |
1883 | for (;;) |
1866 | { |
1884 | { |
1867 | struct coro *next = coro_deq (aTHX); |
1885 | struct coro *next = coro_deq (aTHX); |
1868 | |
1886 | |
1869 | if (expect_true (next)) |
1887 | if (ecb_expect_true (next)) |
1870 | { |
1888 | { |
1871 | /* cannot transfer to destroyed coros, skip and look for next */ |
1889 | /* cannot transfer to destroyed coros, skip and look for next */ |
1872 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1890 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1873 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1891 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1874 | else |
1892 | else |
1875 | { |
1893 | { |
1876 | next->flags &= ~CF_READY; |
1894 | next->flags &= ~CF_READY; |
1877 | --coro_nready; |
1895 | --coro_nready; |
… | |
… | |
1910 | } |
1928 | } |
1911 | } |
1929 | } |
1912 | } |
1930 | } |
1913 | } |
1931 | } |
1914 | |
1932 | |
1915 | INLINE void |
1933 | ecb_inline void |
1916 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1934 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1917 | { |
1935 | { |
1918 | api_ready (aTHX_ coro_current); |
1936 | api_ready (aTHX_ coro_current); |
1919 | prepare_schedule (aTHX_ ta); |
1937 | prepare_schedule (aTHX_ ta); |
1920 | } |
1938 | } |
1921 | |
1939 | |
1922 | INLINE void |
1940 | ecb_inline void |
1923 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1941 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1924 | { |
1942 | { |
1925 | SV *prev = SvRV (coro_current); |
1943 | SV *prev = SvRV (coro_current); |
1926 | |
1944 | |
1927 | if (coro_nready) |
1945 | if (coro_nready) |
… | |
… | |
1957 | { |
1975 | { |
1958 | struct coro_transfer_args ta; |
1976 | struct coro_transfer_args ta; |
1959 | |
1977 | |
1960 | prepare_cede (aTHX_ &ta); |
1978 | prepare_cede (aTHX_ &ta); |
1961 | |
1979 | |
1962 | if (expect_true (ta.prev != ta.next)) |
1980 | if (ecb_expect_true (ta.prev != ta.next)) |
1963 | { |
1981 | { |
1964 | TRANSFER (ta, 1); |
1982 | TRANSFER (ta, 1); |
1965 | return 1; |
1983 | return 1; |
1966 | } |
1984 | } |
1967 | else |
1985 | else |
… | |
… | |
2010 | coro->slot->runops = RUNOPS_DEFAULT; |
2028 | coro->slot->runops = RUNOPS_DEFAULT; |
2011 | } |
2029 | } |
2012 | } |
2030 | } |
2013 | |
2031 | |
2014 | static void |
2032 | static void |
|
|
2033 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2034 | { |
|
|
2035 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2036 | { |
|
|
2037 | dSP; |
|
|
2038 | |
|
|
2039 | if (gimme_v == G_SCALAR) |
|
|
2040 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2041 | else |
|
|
2042 | { |
|
|
2043 | int i; |
|
|
2044 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2045 | |
|
|
2046 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2047 | PUSHs (AvARRAY (av)[i]); |
|
|
2048 | } |
|
|
2049 | |
|
|
2050 | PUTBACK; |
|
|
2051 | } |
|
|
2052 | } |
|
|
2053 | |
|
|
2054 | static void |
|
|
2055 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2056 | { |
|
|
2057 | if (!coro->on_destroy) |
|
|
2058 | coro->on_destroy = newAV (); |
|
|
2059 | |
|
|
2060 | av_push (coro->on_destroy, cb); |
|
|
2061 | } |
|
|
2062 | |
|
|
2063 | static void |
|
|
2064 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2065 | { |
|
|
2066 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2067 | } |
|
|
2068 | |
|
|
2069 | static int |
|
|
2070 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2071 | { |
|
|
2072 | struct coro *coro = (struct coro *)frame->data; |
|
|
2073 | |
|
|
2074 | if (!coro->status) |
|
|
2075 | return 1; |
|
|
2076 | |
|
|
2077 | frame->destroy = 0; |
|
|
2078 | |
|
|
2079 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2080 | |
|
|
2081 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2082 | |
|
|
2083 | return 0; |
|
|
2084 | } |
|
|
2085 | |
|
|
2086 | static void |
|
|
2087 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2088 | { |
|
|
2089 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2090 | |
|
|
2091 | if (items > 1) |
|
|
2092 | croak ("join called with too many arguments"); |
|
|
2093 | |
|
|
2094 | if (coro->status) |
|
|
2095 | frame->prepare = prepare_nop; |
|
|
2096 | else |
|
|
2097 | { |
|
|
2098 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2099 | frame->prepare = prepare_schedule; |
|
|
2100 | } |
|
|
2101 | |
|
|
2102 | frame->check = slf_check_join; |
|
|
2103 | frame->destroy = slf_destroy_join; |
|
|
2104 | frame->data = (void *)coro; |
|
|
2105 | SvREFCNT_inc (coro->hv); |
|
|
2106 | } |
|
|
2107 | |
|
|
2108 | static void |
2015 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2109 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2016 | { |
2110 | { |
2017 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2111 | AV *od = coro->on_destroy; |
2018 | |
2112 | |
2019 | if (on_destroyp) |
2113 | if (!od) |
2020 | { |
2114 | return; |
2021 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
2022 | AV *on_destroy = sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*on_destroyp))); |
|
|
2023 | AV *status = statusp ? sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*statusp))) : 0; |
|
|
2024 | |
2115 | |
|
|
2116 | coro->on_destroy = 0; |
|
|
2117 | sv_2mortal ((SV *)od); |
|
|
2118 | |
2025 | while (AvFILLp (on_destroy) >= 0) |
2119 | while (AvFILLp (od) >= 0) |
|
|
2120 | { |
|
|
2121 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2122 | |
|
|
2123 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2124 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2125 | api_ready (aTHX_ cb); |
|
|
2126 | else |
2026 | { |
2127 | { |
2027 | dSP; /* don't disturb outer sp */ |
2128 | dSP; /* don't disturb outer sp */ |
2028 | SV *cb = av_pop (on_destroy); |
|
|
2029 | |
|
|
2030 | PUSHMARK (SP); |
2129 | PUSHMARK (SP); |
2031 | |
2130 | |
2032 | if (statusp) |
2131 | if (coro->status) |
2033 | { |
2132 | { |
2034 | int i; |
2133 | PUTBACK; |
2035 | EXTEND (SP, AvFILLp (status) + 1); |
2134 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
2036 | |
2135 | SPAGAIN; |
2037 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
2038 | PUSHs (AvARRAY (status)[i]); |
|
|
2039 | } |
2136 | } |
2040 | |
2137 | |
2041 | PUTBACK; |
2138 | PUTBACK; |
2042 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2139 | call_sv (cb, G_VOID | G_DISCARD); |
2043 | } |
2140 | } |
2044 | } |
2141 | } |
2045 | } |
2142 | } |
2046 | |
2143 | |
2047 | static void |
2144 | static void |
2048 | coro_set_status (pTHX_ HV *coro_hv, SV **arg, int items) |
2145 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2049 | { |
2146 | { |
2050 | AV *av = newAV (); |
2147 | AV *av; |
|
|
2148 | |
|
|
2149 | if (coro->status) |
|
|
2150 | { |
|
|
2151 | av = coro->status; |
|
|
2152 | av_clear (av); |
|
|
2153 | } |
|
|
2154 | else |
|
|
2155 | av = coro->status = newAV (); |
2051 | |
2156 | |
2052 | /* items are actually not so common, so optimise for this case */ |
2157 | /* items are actually not so common, so optimise for this case */ |
2053 | if (items) |
2158 | if (items) |
2054 | { |
2159 | { |
2055 | int i; |
2160 | int i; |
… | |
… | |
2057 | av_extend (av, items - 1); |
2162 | av_extend (av, items - 1); |
2058 | |
2163 | |
2059 | for (i = 0; i < items; ++i) |
2164 | for (i = 0; i < items; ++i) |
2060 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2165 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2061 | } |
2166 | } |
2062 | |
|
|
2063 | hv_store (coro_hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
2064 | } |
2167 | } |
2065 | |
2168 | |
2066 | static void |
2169 | static void |
2067 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
2170 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
2068 | { |
2171 | { |
… | |
… | |
2080 | static void |
2183 | static void |
2081 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2184 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2082 | { |
2185 | { |
2083 | HV *coro_hv = (HV *)SvRV (coro_current); |
2186 | HV *coro_hv = (HV *)SvRV (coro_current); |
2084 | |
2187 | |
2085 | coro_set_status (aTHX_ coro_hv, arg, items); |
2188 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
2086 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2189 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2087 | } |
2190 | } |
2088 | |
2191 | |
2089 | static void |
2192 | static void |
2090 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2193 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2096 | croak ("Coro::cancel called without coro object,"); |
2199 | croak ("Coro::cancel called without coro object,"); |
2097 | |
2200 | |
2098 | coro = SvSTATE (arg [0]); |
2201 | coro = SvSTATE (arg [0]); |
2099 | coro_hv = coro->hv; |
2202 | coro_hv = coro->hv; |
2100 | |
2203 | |
2101 | coro_set_status (aTHX_ coro_hv, arg + 1, items - 1); |
2204 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2102 | |
2205 | |
2103 | if (expect_false (coro->flags & CF_NOCANCEL)) |
2206 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2104 | { |
2207 | { |
2105 | /* coro currently busy cancelling something, so just notify it */ |
2208 | /* coro currently busy cancelling something, so just notify it */ |
2106 | coro->slf_frame.data = (void *)coro; |
2209 | coro->slf_frame.data = (void *)coro; |
2107 | |
2210 | |
2108 | frame->prepare = prepare_nop; |
2211 | frame->prepare = prepare_nop; |
… | |
… | |
2123 | * this is ugly, and hopefully fully worth the extra speed. |
2226 | * this is ugly, and hopefully fully worth the extra speed. |
2124 | * besides, I can't get the slow-but-safe version working... |
2227 | * besides, I can't get the slow-but-safe version working... |
2125 | */ |
2228 | */ |
2126 | slf_frame.data = 0; |
2229 | slf_frame.data = 0; |
2127 | self->flags |= CF_NOCANCEL; |
2230 | self->flags |= CF_NOCANCEL; |
2128 | |
|
|
2129 | coro_state_destroy (aTHX_ coro); |
2231 | coro_state_destroy (aTHX_ coro); |
2130 | coro_call_on_destroy (aTHX_ coro); |
|
|
2131 | |
|
|
2132 | self->flags &= ~CF_NOCANCEL; |
2232 | self->flags &= ~CF_NOCANCEL; |
2133 | |
2233 | |
2134 | if (slf_frame.data) |
2234 | if (slf_frame.data) |
2135 | { |
2235 | { |
2136 | /* while we were busy we have been cancelled, so terminate */ |
2236 | /* while we were busy we have been cancelled, so terminate */ |
… | |
… | |
2161 | if (coro->cctx) |
2261 | if (coro->cctx) |
2162 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
2262 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
2163 | |
2263 | |
2164 | if (coro->flags & CF_NEW) |
2264 | if (coro->flags & CF_NEW) |
2165 | { |
2265 | { |
2166 | coro_set_status (aTHX_ coro->hv, arg, items); |
2266 | coro_set_status (aTHX_ coro, arg, items); |
2167 | coro_state_destroy (aTHX_ coro); |
2267 | coro_state_destroy (aTHX_ coro); |
2168 | coro_call_on_destroy (aTHX_ coro); |
|
|
2169 | } |
2268 | } |
2170 | else |
2269 | else |
2171 | { |
2270 | { |
2172 | if (!coro->slf_frame.prepare) |
2271 | if (!coro->slf_frame.prepare) |
2173 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
2272 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
2174 | |
2273 | |
2175 | slf_destroy (aTHX_ coro); |
2274 | slf_destroy (aTHX_ coro); |
2176 | |
2275 | |
2177 | coro_set_status (aTHX_ coro->hv, arg, items); |
2276 | coro_set_status (aTHX_ coro, arg, items); |
2178 | coro->slf_frame.prepare = prepare_nop; |
2277 | coro->slf_frame.prepare = prepare_nop; |
2179 | coro->slf_frame.check = slf_check_safe_cancel; |
2278 | coro->slf_frame.check = slf_check_safe_cancel; |
2180 | |
2279 | |
2181 | api_ready (aTHX_ coro->hv); |
2280 | api_ready (aTHX_ (SV *)coro->hv); |
2182 | } |
2281 | } |
2183 | |
2282 | |
2184 | return 1; |
2283 | return 1; |
2185 | } |
2284 | } |
2186 | |
2285 | |
… | |
… | |
2220 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2319 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2221 | { |
2320 | { |
2222 | HV *hv = (HV *)SvRV (coro_current); |
2321 | HV *hv = (HV *)SvRV (coro_current); |
2223 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2322 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2224 | |
2323 | |
2225 | if (expect_true (coro->saved_deffh)) |
2324 | if (ecb_expect_true (coro->saved_deffh)) |
2226 | { |
2325 | { |
2227 | /* subsequent iteration */ |
2326 | /* subsequent iteration */ |
2228 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2327 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2229 | coro->saved_deffh = 0; |
2328 | coro->saved_deffh = 0; |
2230 | |
2329 | |
… | |
… | |
2290 | |
2389 | |
2291 | static int |
2390 | static int |
2292 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2391 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2293 | { |
2392 | { |
2294 | SV *data = (SV *)frame->data; |
2393 | SV *data = (SV *)frame->data; |
2295 | |
2394 | |
2296 | if (CORO_THROW) |
2395 | if (CORO_THROW) |
2297 | return 0; |
2396 | return 0; |
2298 | |
2397 | |
2299 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2398 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2300 | return 1; |
2399 | return 1; |
… | |
… | |
2336 | cb = sv_2mortal (coro->rouse_cb); |
2435 | cb = sv_2mortal (coro->rouse_cb); |
2337 | coro->rouse_cb = 0; |
2436 | coro->rouse_cb = 0; |
2338 | } |
2437 | } |
2339 | |
2438 | |
2340 | if (!SvROK (cb) |
2439 | if (!SvROK (cb) |
2341 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2440 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2342 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2441 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2343 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2442 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2344 | |
2443 | |
2345 | { |
2444 | { |
2346 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2445 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2471 | static void |
2570 | static void |
2472 | slf_destroy (pTHX_ struct coro *coro) |
2571 | slf_destroy (pTHX_ struct coro *coro) |
2473 | { |
2572 | { |
2474 | /* this callback is reserved for slf functions needing to do cleanup */ |
2573 | /* this callback is reserved for slf functions needing to do cleanup */ |
2475 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
2574 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
2476 | coro->slf_frame.destroy (aTHX_ coro); |
2575 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
2477 | |
2576 | |
2478 | /* |
2577 | /* |
2479 | * The on_destroy above most likely is from an SLF call. |
2578 | * The on_destroy above most likely is from an SLF call. |
2480 | * Since by definition the SLF call will not finish when we destroy |
2579 | * Since by definition the SLF call will not finish when we destroy |
2481 | * the coro, we will have to force-finish it here, otherwise |
2580 | * the coro, we will have to force-finish it here, otherwise |
… | |
… | |
2496 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2595 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2497 | |
2596 | |
2498 | /* set up the slf frame, unless it has already been set-up */ |
2597 | /* set up the slf frame, unless it has already been set-up */ |
2499 | /* the latter happens when a new coro has been started */ |
2598 | /* the latter happens when a new coro has been started */ |
2500 | /* or when a new cctx was attached to an existing coroutine */ |
2599 | /* or when a new cctx was attached to an existing coroutine */ |
2501 | if (expect_true (!slf_frame.prepare)) |
2600 | if (ecb_expect_true (!slf_frame.prepare)) |
2502 | { |
2601 | { |
2503 | /* first iteration */ |
2602 | /* first iteration */ |
2504 | dSP; |
2603 | dSP; |
2505 | SV **arg = PL_stack_base + TOPMARK + 1; |
2604 | SV **arg = PL_stack_base + TOPMARK + 1; |
2506 | int items = SP - arg; /* args without function object */ |
2605 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2547 | while (slf_frame.check (aTHX_ &slf_frame)); |
2646 | while (slf_frame.check (aTHX_ &slf_frame)); |
2548 | |
2647 | |
2549 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2648 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2550 | |
2649 | |
2551 | /* exception handling */ |
2650 | /* exception handling */ |
2552 | if (expect_false (CORO_THROW)) |
2651 | if (ecb_expect_false (CORO_THROW)) |
2553 | { |
2652 | { |
2554 | SV *exception = sv_2mortal (CORO_THROW); |
2653 | SV *exception = sv_2mortal (CORO_THROW); |
2555 | |
2654 | |
2556 | CORO_THROW = 0; |
2655 | CORO_THROW = 0; |
2557 | sv_setsv (ERRSV, exception); |
2656 | sv_setsv (ERRSV, exception); |
2558 | croak (0); |
2657 | croak (0); |
2559 | } |
2658 | } |
2560 | |
2659 | |
2561 | /* return value handling - mostly like entersub */ |
2660 | /* return value handling - mostly like entersub */ |
2562 | /* make sure we put something on the stack in scalar context */ |
2661 | /* make sure we put something on the stack in scalar context */ |
2563 | if (GIMME_V == G_SCALAR) |
2662 | if (GIMME_V == G_SCALAR |
|
|
2663 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2564 | { |
2664 | { |
2565 | dSP; |
2665 | dSP; |
2566 | SV **bot = PL_stack_base + checkmark; |
2666 | SV **bot = PL_stack_base + checkmark; |
2567 | |
2667 | |
2568 | if (sp == bot) /* too few, push undef */ |
2668 | if (sp == bot) /* too few, push undef */ |
2569 | bot [1] = &PL_sv_undef; |
2669 | bot [1] = &PL_sv_undef; |
2570 | else if (sp != bot + 1) /* too many, take last one */ |
2670 | else /* too many, take last one */ |
2571 | bot [1] = *sp; |
2671 | bot [1] = *sp; |
2572 | |
2672 | |
2573 | SP = bot + 1; |
2673 | SP = bot + 1; |
2574 | |
2674 | |
2575 | PUTBACK; |
2675 | PUTBACK; |
… | |
… | |
2682 | { |
2782 | { |
2683 | PerlIOBuf base; |
2783 | PerlIOBuf base; |
2684 | NV next, every; |
2784 | NV next, every; |
2685 | } PerlIOCede; |
2785 | } PerlIOCede; |
2686 | |
2786 | |
2687 | static IV |
2787 | static IV ecb_cold |
2688 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2788 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2689 | { |
2789 | { |
2690 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2790 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2691 | |
2791 | |
2692 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2792 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2693 | self->next = nvtime () + self->every; |
2793 | self->next = nvtime () + self->every; |
2694 | |
2794 | |
2695 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2795 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2696 | } |
2796 | } |
2697 | |
2797 | |
2698 | static SV * |
2798 | static SV * ecb_cold |
2699 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2799 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2700 | { |
2800 | { |
2701 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2801 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2702 | |
2802 | |
2703 | return newSVnv (self->every); |
2803 | return newSVnv (self->every); |
… | |
… | |
2815 | SvREFCNT_dec (cb); |
2915 | SvREFCNT_dec (cb); |
2816 | } |
2916 | } |
2817 | } |
2917 | } |
2818 | |
2918 | |
2819 | static void |
2919 | static void |
2820 | coro_semaphore_destroy (pTHX_ struct coro *coro) |
2920 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2821 | { |
2921 | { |
2822 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2922 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2823 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2923 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2824 | } |
2924 | } |
2825 | |
2925 | |
2826 | static int |
2926 | static int |
2827 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2927 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2828 | { |
2928 | { |
2829 | AV *av = (AV *)frame->data; |
2929 | AV *av = (AV *)frame->data; |
2830 | SV *count_sv = AvARRAY (av)[0]; |
2930 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2931 | SV *coro_hv = SvRV (coro_current); |
2831 | |
2932 | |
2832 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2933 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2833 | if (CORO_THROW) |
2934 | if (CORO_THROW) |
2834 | return 0; |
2935 | return 0; |
2835 | else if (SvIVX (count_sv) > 0) |
2936 | else if (SvIVX (count_sv) > 0) |
… | |
… | |
2847 | { |
2948 | { |
2848 | int i; |
2949 | int i; |
2849 | /* if we were woken up but can't down, we look through the whole */ |
2950 | /* if we were woken up but can't down, we look through the whole */ |
2850 | /* waiters list and only add us if we aren't in there already */ |
2951 | /* waiters list and only add us if we aren't in there already */ |
2851 | /* this avoids some degenerate memory usage cases */ |
2952 | /* this avoids some degenerate memory usage cases */ |
2852 | |
2953 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2853 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2854 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2954 | if (AvARRAY (av)[i] == coro_hv) |
2855 | return 1; |
2955 | return 1; |
2856 | |
2956 | |
2857 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2957 | av_push (av, SvREFCNT_inc (coro_hv)); |
2858 | return 1; |
2958 | return 1; |
2859 | } |
2959 | } |
2860 | } |
2960 | } |
2861 | |
2961 | |
2862 | static int |
2962 | static int |
… | |
… | |
3066 | /* it quickly returns */ |
3166 | /* it quickly returns */ |
3067 | if (CORO_THROW) |
3167 | if (CORO_THROW) |
3068 | return 0; |
3168 | return 0; |
3069 | |
3169 | |
3070 | /* one element that is an RV? repeat! */ |
3170 | /* one element that is an RV? repeat! */ |
3071 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3171 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
3072 | return 1; |
3172 | return 1; |
3073 | |
3173 | |
3074 | /* restore status */ |
3174 | /* restore status */ |
3075 | { |
3175 | { |
3076 | SV *data_sv = av_pop (state); |
3176 | SV *data_sv = av_pop (state); |
… | |
… | |
3115 | dSP; |
3215 | dSP; |
3116 | |
3216 | |
3117 | static SV *prio_cv; |
3217 | static SV *prio_cv; |
3118 | static SV *prio_sv; |
3218 | static SV *prio_sv; |
3119 | |
3219 | |
3120 | if (expect_false (!prio_cv)) |
3220 | if (ecb_expect_false (!prio_cv)) |
3121 | { |
3221 | { |
3122 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3222 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3123 | prio_sv = newSViv (0); |
3223 | prio_sv = newSViv (0); |
3124 | } |
3224 | } |
3125 | |
3225 | |
… | |
… | |
3231 | } |
3331 | } |
3232 | |
3332 | |
3233 | return coro_sv; |
3333 | return coro_sv; |
3234 | } |
3334 | } |
3235 | |
3335 | |
|
|
3336 | #ifndef __cplusplus |
|
|
3337 | ecb_cold XS(boot_Coro__State); |
|
|
3338 | #endif |
|
|
3339 | |
|
|
3340 | #if CORO_JIT |
|
|
3341 | |
|
|
3342 | static void ecb_noinline ecb_cold |
|
|
3343 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3344 | { |
|
|
3345 | dSP; |
|
|
3346 | AV *av = newAV (); |
|
|
3347 | |
|
|
3348 | av_store (av, 3, newSVuv (d)); |
|
|
3349 | av_store (av, 2, newSVuv (c)); |
|
|
3350 | av_store (av, 1, newSVuv (b)); |
|
|
3351 | av_store (av, 0, newSVuv (a)); |
|
|
3352 | |
|
|
3353 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3354 | |
|
|
3355 | PUTBACK; |
|
|
3356 | } |
|
|
3357 | |
|
|
3358 | static void ecb_noinline ecb_cold |
|
|
3359 | jit_init (pTHX) |
|
|
3360 | { |
|
|
3361 | dSP; |
|
|
3362 | SV *load, *save; |
|
|
3363 | char *map_base; |
|
|
3364 | char *load_ptr, *save_ptr; |
|
|
3365 | STRLEN load_len, save_len, map_len; |
|
|
3366 | int count; |
|
|
3367 | |
|
|
3368 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3369 | |
|
|
3370 | PUSHMARK (SP); |
|
|
3371 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3372 | #include "state.h" |
|
|
3373 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3374 | SPAGAIN; |
|
|
3375 | |
|
|
3376 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3377 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3378 | |
|
|
3379 | map_len = load_len + save_len + 16; |
|
|
3380 | |
|
|
3381 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3382 | |
|
|
3383 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3384 | |
|
|
3385 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3386 | memcpy (map_base, load_ptr, load_len); |
|
|
3387 | |
|
|
3388 | map_base += (load_len + 15) & ~15; |
|
|
3389 | |
|
|
3390 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3391 | memcpy (map_base, save_ptr, save_len); |
|
|
3392 | |
|
|
3393 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3394 | /* hackers might have it a bit more difficult */ |
|
|
3395 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3396 | |
|
|
3397 | PUTBACK; |
|
|
3398 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3399 | } |
|
|
3400 | |
|
|
3401 | #endif |
|
|
3402 | |
3236 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3403 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3237 | |
3404 | |
3238 | PROTOTYPES: DISABLE |
3405 | PROTOTYPES: DISABLE |
3239 | |
3406 | |
3240 | BOOT: |
3407 | BOOT: |
… | |
… | |
3242 | #ifdef USE_ITHREADS |
3409 | #ifdef USE_ITHREADS |
3243 | # if CORO_PTHREAD |
3410 | # if CORO_PTHREAD |
3244 | coro_thx = PERL_GET_CONTEXT; |
3411 | coro_thx = PERL_GET_CONTEXT; |
3245 | # endif |
3412 | # endif |
3246 | #endif |
3413 | #endif |
3247 | BOOT_PAGESIZE; |
3414 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3415 | /* just create them one at init time is not clear to me, except for */ |
|
|
3416 | /* programs trying to delete them, but... */ |
|
|
3417 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3418 | DEFSV; |
|
|
3419 | ERRSV; |
3248 | |
3420 | |
3249 | cctx_current = cctx_new_empty (); |
3421 | cctx_current = cctx_new_empty (); |
3250 | |
3422 | |
3251 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3423 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3252 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3424 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
3295 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3467 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3296 | |
3468 | |
3297 | time_init (aTHX); |
3469 | time_init (aTHX); |
3298 | |
3470 | |
3299 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3471 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3472 | #if CORO_JIT |
|
|
3473 | PUTBACK; |
|
|
3474 | jit_init (aTHX); |
|
|
3475 | SPAGAIN; |
|
|
3476 | #endif |
3300 | } |
3477 | } |
3301 | |
3478 | |
3302 | SV * |
3479 | SV * |
3303 | new (SV *klass, ...) |
3480 | new (SV *klass, ...) |
3304 | ALIAS: |
3481 | ALIAS: |
… | |
… | |
3311 | void |
3488 | void |
3312 | transfer (...) |
3489 | transfer (...) |
3313 | PROTOTYPE: $$ |
3490 | PROTOTYPE: $$ |
3314 | CODE: |
3491 | CODE: |
3315 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3492 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3316 | |
|
|
3317 | void |
|
|
3318 | _exit (int code) |
|
|
3319 | PROTOTYPE: $ |
|
|
3320 | CODE: |
|
|
3321 | _exit (code); |
|
|
3322 | |
3493 | |
3323 | SV * |
3494 | SV * |
3324 | clone (Coro::State coro) |
3495 | clone (Coro::State coro) |
3325 | CODE: |
3496 | CODE: |
3326 | { |
3497 | { |
… | |
… | |
3381 | void |
3552 | void |
3382 | list () |
3553 | list () |
3383 | PROTOTYPE: |
3554 | PROTOTYPE: |
3384 | PPCODE: |
3555 | PPCODE: |
3385 | { |
3556 | { |
3386 | struct coro *coro; |
3557 | struct coro *coro; |
3387 | for (coro = coro_first; coro; coro = coro->next) |
3558 | for (coro = coro_first; coro; coro = coro->next) |
3388 | if (coro->hv) |
3559 | if (coro->hv) |
3389 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3560 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3390 | } |
3561 | } |
3391 | |
3562 | |
… | |
… | |
3446 | PROTOTYPE: $ |
3617 | PROTOTYPE: $ |
3447 | ALIAS: |
3618 | ALIAS: |
3448 | is_ready = CF_READY |
3619 | is_ready = CF_READY |
3449 | is_running = CF_RUNNING |
3620 | is_running = CF_RUNNING |
3450 | is_new = CF_NEW |
3621 | is_new = CF_NEW |
3451 | is_destroyed = CF_DESTROYED |
3622 | is_destroyed = CF_ZOMBIE |
|
|
3623 | is_zombie = CF_ZOMBIE |
3452 | is_suspended = CF_SUSPENDED |
3624 | is_suspended = CF_SUSPENDED |
3453 | CODE: |
3625 | CODE: |
3454 | RETVAL = boolSV (coro->flags & ix); |
3626 | RETVAL = boolSV (coro->flags & ix); |
3455 | OUTPUT: |
3627 | OUTPUT: |
3456 | RETVAL |
3628 | RETVAL |
3457 | |
3629 | |
3458 | void |
3630 | void |
3459 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3631 | throw (SV *self, SV *exception = &PL_sv_undef) |
3460 | PROTOTYPE: $;$ |
3632 | PROTOTYPE: $;$ |
3461 | CODE: |
3633 | CODE: |
3462 | { |
3634 | { |
|
|
3635 | struct coro *coro = SvSTATE (self); |
3463 | struct coro *current = SvSTATE_current; |
3636 | struct coro *current = SvSTATE_current; |
3464 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3637 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3465 | SvREFCNT_dec (*exceptionp); |
3638 | SvREFCNT_dec (*exceptionp); |
3466 | SvGETMAGIC (exception); |
3639 | SvGETMAGIC (exception); |
3467 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3640 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3641 | |
|
|
3642 | api_ready (aTHX_ self); |
3468 | } |
3643 | } |
3469 | |
3644 | |
3470 | void |
3645 | void |
3471 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3646 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3472 | PROTOTYPE: $;$ |
3647 | PROTOTYPE: $;$ |
… | |
… | |
3549 | |
3724 | |
3550 | void |
3725 | void |
3551 | times (Coro::State self) |
3726 | times (Coro::State self) |
3552 | PPCODE: |
3727 | PPCODE: |
3553 | { |
3728 | { |
3554 | struct coro *current = SvSTATE (coro_current); |
3729 | struct coro *current = SvSTATE (coro_current); |
3555 | |
3730 | |
3556 | if (expect_false (current == self)) |
3731 | if (ecb_expect_false (current == self)) |
3557 | { |
3732 | { |
3558 | coro_times_update (); |
3733 | coro_times_update (); |
3559 | coro_times_add (SvSTATE (coro_current)); |
3734 | coro_times_add (SvSTATE (coro_current)); |
3560 | } |
3735 | } |
3561 | |
3736 | |
3562 | EXTEND (SP, 2); |
3737 | EXTEND (SP, 2); |
3563 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3738 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3564 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3739 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3565 | |
3740 | |
3566 | if (expect_false (current == self)) |
3741 | if (ecb_expect_false (current == self)) |
3567 | coro_times_sub (SvSTATE (coro_current)); |
3742 | coro_times_sub (SvSTATE (coro_current)); |
3568 | } |
3743 | } |
3569 | |
3744 | |
3570 | void |
3745 | void |
3571 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3746 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
… | |
… | |
3602 | |
3777 | |
3603 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3778 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3604 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3779 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3605 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3780 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3606 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3781 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3607 | |
3782 | |
3608 | coro_stash = gv_stashpv ("Coro", TRUE); |
3783 | coro_stash = gv_stashpv ("Coro", TRUE); |
3609 | |
3784 | |
3610 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3785 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3611 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3786 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3612 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3787 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3644 | void |
3819 | void |
3645 | _destroy (Coro::State coro) |
3820 | _destroy (Coro::State coro) |
3646 | CODE: |
3821 | CODE: |
3647 | /* used by the manager thread */ |
3822 | /* used by the manager thread */ |
3648 | coro_state_destroy (aTHX_ coro); |
3823 | coro_state_destroy (aTHX_ coro); |
|
|
3824 | |
|
|
3825 | void |
|
|
3826 | on_destroy (Coro::State coro, SV *cb) |
|
|
3827 | CODE: |
3649 | coro_call_on_destroy (aTHX_ coro); |
3828 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3829 | |
|
|
3830 | void |
|
|
3831 | join (...) |
|
|
3832 | CODE: |
|
|
3833 | CORO_EXECUTE_SLF_XS (slf_init_join); |
3650 | |
3834 | |
3651 | void |
3835 | void |
3652 | terminate (...) |
3836 | terminate (...) |
3653 | CODE: |
3837 | CODE: |
3654 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3838 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
… | |
… | |
3825 | on_leave = 1 |
4009 | on_leave = 1 |
3826 | PROTOTYPE: & |
4010 | PROTOTYPE: & |
3827 | CODE: |
4011 | CODE: |
3828 | { |
4012 | { |
3829 | struct coro *coro = SvSTATE_current; |
4013 | struct coro *coro = SvSTATE_current; |
3830 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4014 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3831 | |
4015 | |
3832 | block = s_get_cv_croak (block); |
4016 | block = s_get_cv_croak (block); |
3833 | |
4017 | |
3834 | if (!*avp) |
4018 | if (!*avp) |
3835 | *avp = newAV (); |
4019 | *avp = newAV (); |
… | |
… | |
3855 | |
4039 | |
3856 | SV * |
4040 | SV * |
3857 | new (SV *klass, SV *count = 0) |
4041 | new (SV *klass, SV *count = 0) |
3858 | CODE: |
4042 | CODE: |
3859 | { |
4043 | { |
3860 | int semcnt = 1; |
4044 | int semcnt = 1; |
3861 | |
4045 | |
3862 | if (count) |
4046 | if (count) |
3863 | { |
4047 | { |
3864 | SvGETMAGIC (count); |
4048 | SvGETMAGIC (count); |
3865 | |
4049 | |
… | |
… | |
3925 | XSRETURN_NO; |
4109 | XSRETURN_NO; |
3926 | } |
4110 | } |
3927 | |
4111 | |
3928 | void |
4112 | void |
3929 | waiters (SV *self) |
4113 | waiters (SV *self) |
3930 | PPCODE: |
4114 | PPCODE: |
3931 | { |
4115 | { |
3932 | AV *av = (AV *)SvRV (self); |
4116 | AV *av = (AV *)SvRV (self); |
3933 | int wcount = AvFILLp (av) + 1 - 1; |
4117 | int wcount = AvFILLp (av) + 1 - 1; |
3934 | |
4118 | |
3935 | if (GIMME_V == G_SCALAR) |
4119 | if (GIMME_V == G_SCALAR) |
… | |
… | |
3944 | } |
4128 | } |
3945 | |
4129 | |
3946 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4130 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3947 | |
4131 | |
3948 | void |
4132 | void |
3949 | _may_delete (SV *sem, int count, int extra_refs) |
4133 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3950 | PPCODE: |
4134 | PPCODE: |
3951 | { |
4135 | { |
3952 | AV *av = (AV *)SvRV (sem); |
4136 | AV *av = (AV *)SvRV (sem); |
3953 | |
4137 | |
3954 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4138 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
3955 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4139 | && AvFILLp (av) == 0 /* no waiters, just count */ |
3956 | && SvIV (AvARRAY (av)[0]) == count) |
4140 | && SvIV (AvARRAY (av)[0]) == count) |
3957 | XSRETURN_YES; |
4141 | XSRETURN_YES; |
… | |
… | |
3978 | |
4162 | |
3979 | void |
4163 | void |
3980 | broadcast (SV *self) |
4164 | broadcast (SV *self) |
3981 | CODE: |
4165 | CODE: |
3982 | { |
4166 | { |
3983 | AV *av = (AV *)SvRV (self); |
4167 | AV *av = (AV *)SvRV (self); |
3984 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4168 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
3985 | } |
4169 | } |
3986 | |
4170 | |
3987 | void |
4171 | void |
3988 | send (SV *self) |
4172 | send (SV *self) |
… | |
… | |
3996 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4180 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3997 | } |
4181 | } |
3998 | |
4182 | |
3999 | IV |
4183 | IV |
4000 | awaited (SV *self) |
4184 | awaited (SV *self) |
4001 | CODE: |
4185 | CODE: |
4002 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4186 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4003 | OUTPUT: |
4187 | OUTPUT: |
4004 | RETVAL |
4188 | RETVAL |
4005 | |
4189 | |
4006 | |
4190 | |
… | |
… | |
4011 | |
4195 | |
4012 | void |
4196 | void |
4013 | _schedule (...) |
4197 | _schedule (...) |
4014 | CODE: |
4198 | CODE: |
4015 | { |
4199 | { |
4016 | static int incede; |
4200 | static int incede; |
4017 | |
4201 | |
4018 | api_cede_notself (aTHX); |
4202 | api_cede_notself (aTHX); |
4019 | |
4203 | |
4020 | ++incede; |
4204 | ++incede; |
4021 | while (coro_nready >= incede && api_cede (aTHX)) |
4205 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
4065 | { |
4249 | { |
4066 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4250 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4067 | coro_old_pp_sselect = 0; |
4251 | coro_old_pp_sselect = 0; |
4068 | } |
4252 | } |
4069 | |
4253 | |
|
|
4254 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4255 | |
|
|
4256 | void |
|
|
4257 | _exit (int code) |
|
|
4258 | CODE: |
|
|
4259 | _exit (code); |
|
|
4260 | |
|
|
4261 | NV |
|
|
4262 | time () |
|
|
4263 | CODE: |
|
|
4264 | RETVAL = nvtime (aTHX); |
|
|
4265 | OUTPUT: |
|
|
4266 | RETVAL |
|
|
4267 | |
|
|
4268 | NV |
|
|
4269 | gettimeofday () |
|
|
4270 | PPCODE: |
|
|
4271 | { |
|
|
4272 | UV tv [2]; |
|
|
4273 | u2time (aTHX_ tv); |
|
|
4274 | EXTEND (SP, 2); |
|
|
4275 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4276 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4277 | } |
|
|
4278 | |