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12 | #include "perl.h" |
12 | #include "perl.h" |
13 | #include "XSUB.h" |
13 | #include "XSUB.h" |
14 | #include "perliol.h" |
14 | #include "perliol.h" |
15 | |
15 | |
16 | #include "schmorp.h" |
16 | #include "schmorp.h" |
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17 | #include "ecb.h" |
17 | |
18 | |
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19 | #include <stddef.h> |
18 | #include <stdio.h> |
20 | #include <stdio.h> |
19 | #include <errno.h> |
21 | #include <errno.h> |
20 | #include <assert.h> |
22 | #include <assert.h> |
21 | |
23 | |
22 | #ifndef SVs_PADSTALE |
24 | #ifndef SVs_PADSTALE |
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86 | # define STACKLEVEL ((void *)&stacklevel) |
88 | # define STACKLEVEL ((void *)&stacklevel) |
87 | #endif |
89 | #endif |
88 | |
90 | |
89 | #define IN_DESTRUCT PL_dirty |
91 | #define IN_DESTRUCT PL_dirty |
90 | |
92 | |
91 | #if __GNUC__ >= 3 |
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92 | # define attribute(x) __attribute__(x) |
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93 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
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94 | # define INLINE static inline |
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95 | #else |
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96 | # define attribute(x) |
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97 | # define expect(expr,value) (expr) |
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98 | # define INLINE static |
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99 | #endif |
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100 | |
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101 | #define expect_false(expr) expect ((expr) != 0, 0) |
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102 | #define expect_true(expr) expect ((expr) != 0, 1) |
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103 | |
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104 | #define NOINLINE attribute ((noinline)) |
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105 | |
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106 | #include "CoroAPI.h" |
93 | #include "CoroAPI.h" |
107 | #define GCoroAPI (&coroapi) /* very sneaky */ |
94 | #define GCoroAPI (&coroapi) /* very sneaky */ |
108 | |
95 | |
109 | #ifdef USE_ITHREADS |
96 | #ifdef USE_ITHREADS |
110 | # if CORO_PTHREAD |
97 | # if CORO_PTHREAD |
111 | static void *coro_thx; |
98 | static void *coro_thx; |
112 | # endif |
99 | # endif |
113 | #endif |
100 | #endif |
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101 | |
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102 | /* used in state.h */ |
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103 | #define VAR(name,type) VARx(name, PL_ ## name, type) |
114 | |
104 | |
115 | #ifdef __linux |
105 | #ifdef __linux |
116 | # include <time.h> /* for timespec */ |
106 | # include <time.h> /* for timespec */ |
117 | # include <syscall.h> /* for SYS_* */ |
107 | # include <syscall.h> /* for SYS_* */ |
118 | # ifdef SYS_clock_gettime |
108 | # ifdef SYS_clock_gettime |
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126 | static void (*u2time)(pTHX_ UV ret[2]); |
116 | static void (*u2time)(pTHX_ UV ret[2]); |
127 | |
117 | |
128 | /* we hijack an hopefully unused CV flag for our purposes */ |
118 | /* we hijack an hopefully unused CV flag for our purposes */ |
129 | #define CVf_SLF 0x4000 |
119 | #define CVf_SLF 0x4000 |
130 | static OP *pp_slf (pTHX); |
120 | static OP *pp_slf (pTHX); |
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121 | static void slf_destroy (pTHX_ struct coro *coro); |
131 | |
122 | |
132 | static U32 cctx_gen; |
123 | static U32 cctx_gen; |
133 | static size_t cctx_stacksize = CORO_STACKSIZE; |
124 | static size_t cctx_stacksize = CORO_STACKSIZE; |
134 | static struct CoroAPI coroapi; |
125 | static struct CoroAPI coroapi; |
135 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
126 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
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165 | static char times_valid; |
156 | static char times_valid; |
166 | |
157 | |
167 | static struct coro_cctx *cctx_first; |
158 | static struct coro_cctx *cctx_first; |
168 | static int cctx_count, cctx_idle; |
159 | static int cctx_count, cctx_idle; |
169 | |
160 | |
170 | enum { |
161 | enum |
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162 | { |
171 | CC_MAPPED = 0x01, |
163 | CC_MAPPED = 0x01, |
172 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
164 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
173 | CC_TRACE = 0x04, |
165 | CC_TRACE = 0x04, |
174 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
166 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
175 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
167 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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200 | |
192 | |
201 | static coro_cctx *cctx_current; /* the currently running cctx */ |
193 | static coro_cctx *cctx_current; /* the currently running cctx */ |
202 | |
194 | |
203 | /*****************************************************************************/ |
195 | /*****************************************************************************/ |
204 | |
196 | |
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197 | static MGVTBL coro_state_vtbl; |
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198 | |
205 | enum { |
199 | enum |
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200 | { |
206 | CF_RUNNING = 0x0001, /* coroutine is running */ |
201 | CF_RUNNING = 0x0001, /* coroutine is running */ |
207 | CF_READY = 0x0002, /* coroutine is ready */ |
202 | CF_READY = 0x0002, /* coroutine is ready */ |
208 | CF_NEW = 0x0004, /* has never been switched to */ |
203 | CF_NEW = 0x0004, /* has never been switched to */ |
209 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
204 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
210 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
205 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
211 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
206 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
212 | }; |
207 | }; |
213 | |
208 | |
214 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
209 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
215 | typedef struct |
210 | typedef struct |
216 | { |
211 | { |
217 | SV *defsv; |
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218 | AV *defav; |
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219 | SV *errsv; |
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220 | SV *irsgv; |
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221 | HV *hinthv; |
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222 | #define VAR(name,type) type name; |
212 | #define VARx(name,expr,type) type name; |
223 | # include "state.h" |
213 | # include "state.h" |
224 | #undef VAR |
214 | #undef VARx |
225 | } perl_slots; |
215 | } perl_slots; |
226 | |
216 | |
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217 | // how many context stack entries do we need for perl_slots |
227 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
218 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
228 | |
219 | |
229 | /* this is a structure representing a perl-level coroutine */ |
220 | /* this is a structure representing a perl-level coroutine */ |
230 | struct coro { |
221 | struct coro |
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222 | { |
231 | /* the C coroutine allocated to this perl coroutine, if any */ |
223 | /* the C coroutine allocated to this perl coroutine, if any */ |
232 | coro_cctx *cctx; |
224 | coro_cctx *cctx; |
233 | |
225 | |
234 | /* ready queue */ |
226 | /* ready queue */ |
235 | struct coro *next_ready; |
227 | struct coro *next_ready; |
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237 | /* state data */ |
229 | /* state data */ |
238 | struct CoroSLF slf_frame; /* saved slf frame */ |
230 | struct CoroSLF slf_frame; /* saved slf frame */ |
239 | AV *mainstack; |
231 | AV *mainstack; |
240 | perl_slots *slot; /* basically the saved sp */ |
232 | perl_slots *slot; /* basically the saved sp */ |
241 | |
233 | |
242 | CV *startcv; /* the CV to execute */ |
234 | CV *startcv; /* the CV to execute */ |
243 | AV *args; /* data associated with this coroutine (initial args) */ |
235 | AV *args; /* data associated with this coroutine (initial args) */ |
244 | int refcnt; /* coroutines are refcounted, yes */ |
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245 | int flags; /* CF_ flags */ |
236 | int flags; /* CF_ flags */ |
246 | HV *hv; /* the perl hash associated with this coro, if any */ |
237 | HV *hv; /* the perl hash associated with this coro, if any */ |
247 | void (*on_destroy)(pTHX_ struct coro *coro); /* for temporary use by xs in critical sections */ |
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248 | |
238 | |
249 | /* statistics */ |
239 | /* statistics */ |
250 | int usecount; /* number of transfers to this coro */ |
240 | int usecount; /* number of transfers to this coro */ |
251 | |
241 | |
252 | /* coro process data */ |
242 | /* coro process data */ |
253 | int prio; |
243 | int prio; |
254 | SV *except; /* exception to be thrown */ |
244 | SV *except; /* exception to be thrown */ |
255 | SV *rouse_cb; |
245 | SV *rouse_cb; /* last rouse callback */ |
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246 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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247 | AV *status; /* the exit status list */ |
256 | |
248 | |
257 | /* async_pool */ |
249 | /* async_pool */ |
258 | SV *saved_deffh; |
250 | SV *saved_deffh; |
259 | SV *invoke_cb; |
251 | SV *invoke_cb; |
260 | AV *invoke_av; |
252 | AV *invoke_av; |
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292 | |
284 | |
293 | /* for Coro.pm */ |
285 | /* for Coro.pm */ |
294 | static SV *coro_current; |
286 | static SV *coro_current; |
295 | static SV *coro_readyhook; |
287 | static SV *coro_readyhook; |
296 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
288 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
297 | static CV *cv_coro_run, *cv_coro_terminate; |
289 | static CV *cv_coro_run; |
298 | static struct coro *coro_first; |
290 | static struct coro *coro_first; |
299 | #define coro_nready coroapi.nready |
291 | #define coro_nready coroapi.nready |
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292 | |
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293 | /** JIT *********************************************************************/ |
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294 | |
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295 | #if CORO_JIT |
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296 | #ifndef CORO_JIT_TYPE |
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297 | #if __x86_64 && (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris) |
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298 | #define CORO_JIT_TYPE "amd64-unix" |
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299 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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300 | #elif __i386 && (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris) |
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301 | #define CORO_JIT_TYPE "x86-unix" |
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302 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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303 | #else |
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304 | #undef CORO_JIT |
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305 | #endif |
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306 | #endif |
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307 | #endif |
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308 | |
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309 | #if CORO_JIT |
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310 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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311 | #endif |
300 | |
312 | |
301 | /** Coro::Select ************************************************************/ |
313 | /** Coro::Select ************************************************************/ |
302 | |
314 | |
303 | static OP *(*coro_old_pp_sselect) (pTHX); |
315 | static OP *(*coro_old_pp_sselect) (pTHX); |
304 | static SV *coro_select_select; |
316 | static SV *coro_select_select; |
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320 | |
332 | |
321 | /** time stuff **************************************************************/ |
333 | /** time stuff **************************************************************/ |
322 | |
334 | |
323 | #ifdef HAS_GETTIMEOFDAY |
335 | #ifdef HAS_GETTIMEOFDAY |
324 | |
336 | |
325 | static void |
337 | ECB_INLINE void |
326 | coro_u2time (pTHX_ UV ret[2]) |
338 | coro_u2time (pTHX_ UV ret[2]) |
327 | { |
339 | { |
328 | struct timeval tv; |
340 | struct timeval tv; |
329 | gettimeofday (&tv, 0); |
341 | gettimeofday (&tv, 0); |
330 | |
342 | |
331 | ret [0] = tv.tv_sec; |
343 | ret [0] = tv.tv_sec; |
332 | ret [1] = tv.tv_usec; |
344 | ret [1] = tv.tv_usec; |
333 | } |
345 | } |
334 | |
346 | |
335 | static double |
347 | ECB_INLINE double |
336 | coro_nvtime () |
348 | coro_nvtime () |
337 | { |
349 | { |
338 | struct timeval tv; |
350 | struct timeval tv; |
339 | gettimeofday (&tv, 0); |
351 | gettimeofday (&tv, 0); |
340 | |
352 | |
341 | return tv.tv_sec + tv.tv_usec * 1e-6; |
353 | return tv.tv_sec + tv.tv_usec * 1e-6; |
342 | } |
354 | } |
343 | |
355 | |
344 | static void |
356 | ECB_INLINE void |
345 | time_init (pTHX) |
357 | time_init (pTHX) |
346 | { |
358 | { |
347 | nvtime = coro_nvtime; |
359 | nvtime = coro_nvtime; |
348 | u2time = coro_u2time; |
360 | u2time = coro_u2time; |
349 | } |
361 | } |
350 | |
362 | |
351 | #else |
363 | #else |
352 | |
364 | |
353 | static void |
365 | ECB_INLINE void |
354 | time_init (pTHX) |
366 | time_init (pTHX) |
355 | { |
367 | { |
356 | SV **svp; |
368 | SV **svp; |
357 | |
369 | |
358 | require_pv ("Time/HiRes.pm"); |
370 | require_pv ("Time/HiRes.pm"); |
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370 | |
382 | |
371 | #endif |
383 | #endif |
372 | |
384 | |
373 | /** lowlevel stuff **********************************************************/ |
385 | /** lowlevel stuff **********************************************************/ |
374 | |
386 | |
375 | static SV * |
387 | static SV * ecb_noinline |
376 | coro_get_sv (pTHX_ const char *name, int create) |
388 | coro_get_sv (pTHX_ const char *name, int create) |
377 | { |
389 | { |
378 | #if PERL_VERSION_ATLEAST (5,10,0) |
390 | #if PERL_VERSION_ATLEAST (5,10,0) |
379 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
391 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
380 | get_sv (name, create); |
392 | get_sv (name, create); |
381 | #endif |
393 | #endif |
382 | return get_sv (name, create); |
394 | return get_sv (name, create); |
383 | } |
395 | } |
384 | |
396 | |
385 | static AV * |
397 | static AV * ecb_noinline |
386 | coro_get_av (pTHX_ const char *name, int create) |
398 | coro_get_av (pTHX_ const char *name, int create) |
387 | { |
399 | { |
388 | #if PERL_VERSION_ATLEAST (5,10,0) |
400 | #if PERL_VERSION_ATLEAST (5,10,0) |
389 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
401 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
390 | get_av (name, create); |
402 | get_av (name, create); |
391 | #endif |
403 | #endif |
392 | return get_av (name, create); |
404 | return get_av (name, create); |
393 | } |
405 | } |
394 | |
406 | |
395 | static HV * |
407 | static HV * ecb_noinline |
396 | coro_get_hv (pTHX_ const char *name, int create) |
408 | coro_get_hv (pTHX_ const char *name, int create) |
397 | { |
409 | { |
398 | #if PERL_VERSION_ATLEAST (5,10,0) |
410 | #if PERL_VERSION_ATLEAST (5,10,0) |
399 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
411 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
400 | get_hv (name, create); |
412 | get_hv (name, create); |
401 | #endif |
413 | #endif |
402 | return get_hv (name, create); |
414 | return get_hv (name, create); |
403 | } |
415 | } |
404 | |
416 | |
405 | INLINE void |
417 | ECB_INLINE void |
406 | coro_times_update () |
418 | coro_times_update () |
407 | { |
419 | { |
408 | #ifdef coro_clock_gettime |
420 | #ifdef coro_clock_gettime |
409 | struct timespec ts; |
421 | struct timespec ts; |
410 | |
422 | |
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423 | time_real [0] = tv [0]; |
435 | time_real [0] = tv [0]; |
424 | time_real [1] = tv [1] * 1000; |
436 | time_real [1] = tv [1] * 1000; |
425 | #endif |
437 | #endif |
426 | } |
438 | } |
427 | |
439 | |
428 | INLINE void |
440 | ECB_INLINE void |
429 | coro_times_add (struct coro *c) |
441 | coro_times_add (struct coro *c) |
430 | { |
442 | { |
431 | c->t_real [1] += time_real [1]; |
443 | c->t_real [1] += time_real [1]; |
432 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
444 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
433 | c->t_real [0] += time_real [0]; |
445 | c->t_real [0] += time_real [0]; |
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435 | c->t_cpu [1] += time_cpu [1]; |
447 | c->t_cpu [1] += time_cpu [1]; |
436 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
448 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
437 | c->t_cpu [0] += time_cpu [0]; |
449 | c->t_cpu [0] += time_cpu [0]; |
438 | } |
450 | } |
439 | |
451 | |
440 | INLINE void |
452 | ECB_INLINE void |
441 | coro_times_sub (struct coro *c) |
453 | coro_times_sub (struct coro *c) |
442 | { |
454 | { |
443 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
455 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
444 | c->t_real [1] -= time_real [1]; |
456 | c->t_real [1] -= time_real [1]; |
445 | c->t_real [0] -= time_real [0]; |
457 | c->t_real [0] -= time_real [0]; |
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453 | /* magic glue */ |
465 | /* magic glue */ |
454 | |
466 | |
455 | #define CORO_MAGIC_type_cv 26 |
467 | #define CORO_MAGIC_type_cv 26 |
456 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
468 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
457 | |
469 | |
458 | #define CORO_MAGIC_NN(sv, type) \ |
470 | #define CORO_MAGIC_NN(sv, type) \ |
459 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
471 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
460 | ? SvMAGIC (sv) \ |
472 | ? SvMAGIC (sv) \ |
461 | : mg_find (sv, type)) |
473 | : mg_find (sv, type)) |
462 | |
474 | |
463 | #define CORO_MAGIC(sv, type) \ |
475 | #define CORO_MAGIC(sv, type) \ |
464 | (expect_true (SvMAGIC (sv)) \ |
476 | (ecb_expect_true (SvMAGIC (sv)) \ |
465 | ? CORO_MAGIC_NN (sv, type) \ |
477 | ? CORO_MAGIC_NN (sv, type) \ |
466 | : 0) |
478 | : 0) |
467 | |
479 | |
468 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
480 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
469 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
481 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
470 | |
482 | |
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483 | ECB_INLINE MAGIC * |
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484 | SvSTATEhv_p (pTHX_ SV *coro) |
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485 | { |
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486 | MAGIC *mg; |
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487 | |
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488 | if (ecb_expect_true ( |
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489 | SvTYPE (coro) == SVt_PVHV |
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490 | && (mg = CORO_MAGIC_state (coro)) |
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491 | && mg->mg_virtual == &coro_state_vtbl |
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492 | )) |
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493 | return mg; |
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494 | |
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495 | return 0; |
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496 | } |
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497 | |
471 | INLINE struct coro * |
498 | ECB_INLINE struct coro * |
472 | SvSTATE_ (pTHX_ SV *coro) |
499 | SvSTATE_ (pTHX_ SV *coro) |
473 | { |
500 | { |
474 | HV *stash; |
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475 | MAGIC *mg; |
501 | MAGIC *mg; |
476 | |
502 | |
477 | if (SvROK (coro)) |
503 | if (SvROK (coro)) |
478 | coro = SvRV (coro); |
504 | coro = SvRV (coro); |
479 | |
505 | |
480 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
506 | mg = SvSTATEhv_p (aTHX_ coro); |
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507 | if (!mg) |
481 | croak ("Coro::State object required"); |
508 | croak ("Coro::State object required"); |
482 | |
509 | |
483 | stash = SvSTASH (coro); |
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484 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
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485 | { |
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486 | /* very slow, but rare, check */ |
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487 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
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488 | croak ("Coro::State object required"); |
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489 | } |
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490 | |
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491 | mg = CORO_MAGIC_state (coro); |
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492 | return (struct coro *)mg->mg_ptr; |
510 | return (struct coro *)mg->mg_ptr; |
493 | } |
511 | } |
494 | |
512 | |
495 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
513 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
496 | |
514 | |
… | |
… | |
499 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
517 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
500 | |
518 | |
501 | /*****************************************************************************/ |
519 | /*****************************************************************************/ |
502 | /* padlist management and caching */ |
520 | /* padlist management and caching */ |
503 | |
521 | |
504 | static AV * |
522 | ECB_INLINE AV * |
505 | coro_derive_padlist (pTHX_ CV *cv) |
523 | coro_derive_padlist (pTHX_ CV *cv) |
506 | { |
524 | { |
507 | AV *padlist = CvPADLIST (cv); |
525 | AV *padlist = CvPADLIST (cv); |
508 | AV *newpadlist, *newpad; |
526 | AV *newpadlist, *newpad; |
509 | |
527 | |
… | |
… | |
521 | av_store (newpadlist, 1, (SV *)newpad); |
539 | av_store (newpadlist, 1, (SV *)newpad); |
522 | |
540 | |
523 | return newpadlist; |
541 | return newpadlist; |
524 | } |
542 | } |
525 | |
543 | |
526 | static void |
544 | ECB_INLINE void |
527 | free_padlist (pTHX_ AV *padlist) |
545 | free_padlist (pTHX_ AV *padlist) |
528 | { |
546 | { |
529 | /* may be during global destruction */ |
547 | /* may be during global destruction */ |
530 | if (!IN_DESTRUCT) |
548 | if (!IN_DESTRUCT) |
531 | { |
549 | { |
… | |
… | |
574 | 0, 0, 0, 0, |
592 | 0, 0, 0, 0, |
575 | coro_cv_free |
593 | coro_cv_free |
576 | }; |
594 | }; |
577 | |
595 | |
578 | /* the next two functions merely cache the padlists */ |
596 | /* the next two functions merely cache the padlists */ |
579 | static void |
597 | ECB_INLINE void |
580 | get_padlist (pTHX_ CV *cv) |
598 | get_padlist (pTHX_ CV *cv) |
581 | { |
599 | { |
582 | MAGIC *mg = CORO_MAGIC_cv (cv); |
600 | MAGIC *mg = CORO_MAGIC_cv (cv); |
583 | AV *av; |
601 | AV *av; |
584 | |
602 | |
585 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
603 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
586 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
604 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
587 | else |
605 | else |
588 | { |
606 | { |
589 | #if CORO_PREFER_PERL_FUNCTIONS |
607 | #if CORO_PREFER_PERL_FUNCTIONS |
590 | /* this is probably cleaner? but also slower! */ |
608 | /* this is probably cleaner? but also slower! */ |
… | |
… | |
597 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
615 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
598 | #endif |
616 | #endif |
599 | } |
617 | } |
600 | } |
618 | } |
601 | |
619 | |
602 | static void |
620 | ECB_INLINE void |
603 | put_padlist (pTHX_ CV *cv) |
621 | put_padlist (pTHX_ CV *cv) |
604 | { |
622 | { |
605 | MAGIC *mg = CORO_MAGIC_cv (cv); |
623 | MAGIC *mg = CORO_MAGIC_cv (cv); |
606 | AV *av; |
624 | AV *av; |
607 | |
625 | |
608 | if (expect_false (!mg)) |
626 | if (ecb_expect_false (!mg)) |
609 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
627 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
610 | |
628 | |
611 | av = (AV *)mg->mg_obj; |
629 | av = (AV *)mg->mg_obj; |
612 | |
630 | |
613 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
631 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
614 | av_extend (av, AvFILLp (av) + 1); |
632 | av_extend (av, AvFILLp (av) + 1); |
615 | |
633 | |
616 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
634 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
617 | } |
635 | } |
618 | |
636 | |
… | |
… | |
663 | } |
681 | } |
664 | #endif |
682 | #endif |
665 | } |
683 | } |
666 | } |
684 | } |
667 | |
685 | |
668 | #define SWAP_SVS(coro) \ |
686 | #define SWAP_SVS(coro) \ |
669 | if (expect_false ((coro)->swap_sv)) \ |
687 | if (ecb_expect_false ((coro)->swap_sv)) \ |
670 | swap_svs (aTHX_ (coro)) |
688 | swap_svs (aTHX_ (coro)) |
671 | |
689 | |
672 | static void |
690 | static void |
673 | on_enterleave_call (pTHX_ SV *cb); |
691 | on_enterleave_call (pTHX_ SV *cb); |
674 | |
692 | |
… | |
… | |
678 | perl_slots *slot = c->slot; |
696 | perl_slots *slot = c->slot; |
679 | c->slot = 0; |
697 | c->slot = 0; |
680 | |
698 | |
681 | PL_mainstack = c->mainstack; |
699 | PL_mainstack = c->mainstack; |
682 | |
700 | |
683 | GvSV (PL_defgv) = slot->defsv; |
701 | #if CORO_JIT |
684 | GvAV (PL_defgv) = slot->defav; |
702 | load_perl_slots (slot); |
685 | GvSV (PL_errgv) = slot->errsv; |
703 | #else |
686 | GvSV (irsgv) = slot->irsgv; |
|
|
687 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
688 | |
|
|
689 | #define VAR(name,type) PL_ ## name = slot->name; |
704 | #define VARx(name,expr,type) expr = slot->name; |
690 | # include "state.h" |
705 | # include "state.h" |
691 | #undef VAR |
706 | #undef VARx |
|
|
707 | #endif |
692 | |
708 | |
693 | { |
709 | { |
694 | dSP; |
710 | dSP; |
695 | |
711 | |
696 | CV *cv; |
712 | CV *cv; |
697 | |
713 | |
698 | /* now do the ugly restore mess */ |
714 | /* now do the ugly restore mess */ |
699 | while (expect_true (cv = (CV *)POPs)) |
715 | while (ecb_expect_true (cv = (CV *)POPs)) |
700 | { |
716 | { |
701 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
717 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
702 | CvDEPTH (cv) = PTR2IV (POPs); |
718 | CvDEPTH (cv) = PTR2IV (POPs); |
703 | CvPADLIST (cv) = (AV *)POPs; |
719 | CvPADLIST (cv) = (AV *)POPs; |
704 | } |
720 | } |
… | |
… | |
707 | } |
723 | } |
708 | |
724 | |
709 | slf_frame = c->slf_frame; |
725 | slf_frame = c->slf_frame; |
710 | CORO_THROW = c->except; |
726 | CORO_THROW = c->except; |
711 | |
727 | |
712 | if (expect_false (enable_times)) |
728 | if (ecb_expect_false (enable_times)) |
713 | { |
729 | { |
714 | if (expect_false (!times_valid)) |
730 | if (ecb_expect_false (!times_valid)) |
715 | coro_times_update (); |
731 | coro_times_update (); |
716 | |
732 | |
717 | coro_times_sub (c); |
733 | coro_times_sub (c); |
718 | } |
734 | } |
719 | |
735 | |
720 | if (expect_false (c->on_enter)) |
736 | if (ecb_expect_false (c->on_enter)) |
721 | { |
737 | { |
722 | int i; |
738 | int i; |
723 | |
739 | |
724 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
740 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
725 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
741 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
… | |
… | |
731 | static void |
747 | static void |
732 | save_perl (pTHX_ Coro__State c) |
748 | save_perl (pTHX_ Coro__State c) |
733 | { |
749 | { |
734 | SWAP_SVS (c); |
750 | SWAP_SVS (c); |
735 | |
751 | |
736 | if (expect_false (c->on_leave)) |
752 | if (ecb_expect_false (c->on_leave)) |
737 | { |
753 | { |
738 | int i; |
754 | int i; |
739 | |
755 | |
740 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
756 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
741 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
757 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
742 | } |
758 | } |
743 | |
759 | |
744 | times_valid = 0; |
760 | times_valid = 0; |
745 | |
761 | |
746 | if (expect_false (enable_times)) |
762 | if (ecb_expect_false (enable_times)) |
747 | { |
763 | { |
748 | coro_times_update (); times_valid = 1; |
764 | coro_times_update (); times_valid = 1; |
749 | coro_times_add (c); |
765 | coro_times_add (c); |
750 | } |
766 | } |
751 | |
767 | |
… | |
… | |
765 | |
781 | |
766 | XPUSHs (Nullsv); |
782 | XPUSHs (Nullsv); |
767 | /* this loop was inspired by pp_caller */ |
783 | /* this loop was inspired by pp_caller */ |
768 | for (;;) |
784 | for (;;) |
769 | { |
785 | { |
770 | while (expect_true (cxix >= 0)) |
786 | while (ecb_expect_true (cxix >= 0)) |
771 | { |
787 | { |
772 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
788 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
773 | |
789 | |
774 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
790 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
775 | { |
791 | { |
776 | CV *cv = cx->blk_sub.cv; |
792 | CV *cv = cx->blk_sub.cv; |
777 | |
793 | |
778 | if (expect_true (CvDEPTH (cv))) |
794 | if (ecb_expect_true (CvDEPTH (cv))) |
779 | { |
795 | { |
780 | EXTEND (SP, 3); |
796 | EXTEND (SP, 3); |
781 | PUSHs ((SV *)CvPADLIST (cv)); |
797 | PUSHs ((SV *)CvPADLIST (cv)); |
782 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
798 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
783 | PUSHs ((SV *)cv); |
799 | PUSHs ((SV *)cv); |
… | |
… | |
786 | get_padlist (aTHX_ cv); |
802 | get_padlist (aTHX_ cv); |
787 | } |
803 | } |
788 | } |
804 | } |
789 | } |
805 | } |
790 | |
806 | |
791 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
807 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
792 | break; |
808 | break; |
793 | |
809 | |
794 | top_si = top_si->si_prev; |
810 | top_si = top_si->si_prev; |
795 | ccstk = top_si->si_cxstack; |
811 | ccstk = top_si->si_cxstack; |
796 | cxix = top_si->si_cxix; |
812 | cxix = top_si->si_cxix; |
… | |
… | |
798 | |
814 | |
799 | PUTBACK; |
815 | PUTBACK; |
800 | } |
816 | } |
801 | |
817 | |
802 | /* allocate some space on the context stack for our purposes */ |
818 | /* allocate some space on the context stack for our purposes */ |
803 | /* we manually unroll here, as usually 2 slots is enough */ |
819 | if (ecb_expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
804 | if (SLOT_COUNT >= 1) CXINC; |
|
|
805 | if (SLOT_COUNT >= 2) CXINC; |
|
|
806 | if (SLOT_COUNT >= 3) CXINC; |
|
|
807 | { |
820 | { |
808 | unsigned int i; |
821 | unsigned int i; |
|
|
822 | |
809 | for (i = 3; i < SLOT_COUNT; ++i) |
823 | for (i = 0; i < SLOT_COUNT; ++i) |
810 | CXINC; |
824 | CXINC; |
811 | } |
825 | |
812 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
826 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
827 | } |
813 | |
828 | |
814 | c->mainstack = PL_mainstack; |
829 | c->mainstack = PL_mainstack; |
815 | |
830 | |
816 | { |
831 | { |
817 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
832 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
818 | |
833 | |
819 | slot->defav = GvAV (PL_defgv); |
834 | #if CORO_JIT |
820 | slot->defsv = DEFSV; |
835 | save_perl_slots (slot); |
821 | slot->errsv = ERRSV; |
836 | #else |
822 | slot->irsgv = GvSV (irsgv); |
|
|
823 | slot->hinthv = GvHV (PL_hintgv); |
|
|
824 | |
|
|
825 | #define VAR(name,type) slot->name = PL_ ## name; |
837 | #define VARx(name,expr,type) slot->name = expr; |
826 | # include "state.h" |
838 | # include "state.h" |
827 | #undef VAR |
839 | #undef VARx |
|
|
840 | #endif |
828 | } |
841 | } |
829 | } |
842 | } |
830 | |
843 | |
831 | /* |
844 | /* |
832 | * allocate various perl stacks. This is almost an exact copy |
845 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
838 | # define coro_init_stacks(thx) init_stacks () |
851 | # define coro_init_stacks(thx) init_stacks () |
839 | #else |
852 | #else |
840 | static void |
853 | static void |
841 | coro_init_stacks (pTHX) |
854 | coro_init_stacks (pTHX) |
842 | { |
855 | { |
843 | PL_curstackinfo = new_stackinfo(32, 8); |
856 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
844 | PL_curstackinfo->si_type = PERLSI_MAIN; |
857 | PL_curstackinfo->si_type = PERLSI_MAIN; |
845 | PL_curstack = PL_curstackinfo->si_stack; |
858 | PL_curstack = PL_curstackinfo->si_stack; |
846 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
859 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
847 | |
860 | |
848 | PL_stack_base = AvARRAY(PL_curstack); |
861 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
955 | #endif |
968 | #endif |
956 | |
969 | |
957 | /* |
970 | /* |
958 | * This overrides the default magic get method of %SIG elements. |
971 | * 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 |
972 | * 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 |
973 | * and instead of trying to save and restore the hash elements (extremely slow), |
961 | * readback here. |
974 | * we just provide our own readback here. |
962 | */ |
975 | */ |
963 | static int |
976 | static int ecb_cold |
964 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
977 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
965 | { |
978 | { |
966 | const char *s = MgPV_nolen_const (mg); |
979 | const char *s = MgPV_nolen_const (mg); |
967 | |
980 | |
968 | if (*s == '_') |
981 | if (*s == '_') |
… | |
… | |
980 | } |
993 | } |
981 | |
994 | |
982 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
995 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
983 | } |
996 | } |
984 | |
997 | |
985 | static int |
998 | static int ecb_cold |
986 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
999 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
987 | { |
1000 | { |
988 | const char *s = MgPV_nolen_const (mg); |
1001 | const char *s = MgPV_nolen_const (mg); |
989 | |
1002 | |
990 | if (*s == '_') |
1003 | if (*s == '_') |
… | |
… | |
1004 | } |
1017 | } |
1005 | |
1018 | |
1006 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1019 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1007 | } |
1020 | } |
1008 | |
1021 | |
1009 | static int |
1022 | static int ecb_cold |
1010 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1023 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1011 | { |
1024 | { |
1012 | const char *s = MgPV_nolen_const (mg); |
1025 | const char *s = MgPV_nolen_const (mg); |
1013 | |
1026 | |
1014 | if (*s == '_') |
1027 | if (*s == '_') |
… | |
… | |
1049 | return 1; |
1062 | return 1; |
1050 | } |
1063 | } |
1051 | |
1064 | |
1052 | static UNOP init_perl_op; |
1065 | static UNOP init_perl_op; |
1053 | |
1066 | |
1054 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1067 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1055 | init_perl (pTHX_ struct coro *coro) |
1068 | init_perl (pTHX_ struct coro *coro) |
1056 | { |
1069 | { |
1057 | /* |
1070 | /* |
1058 | * emulate part of the perl startup here. |
1071 | * emulate part of the perl startup here. |
1059 | */ |
1072 | */ |
… | |
… | |
1074 | PL_parser = 0; |
1087 | PL_parser = 0; |
1075 | #endif |
1088 | #endif |
1076 | PL_hints = 0; |
1089 | PL_hints = 0; |
1077 | |
1090 | |
1078 | /* recreate the die/warn hooks */ |
1091 | /* recreate the die/warn hooks */ |
1079 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1092 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1080 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1093 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1081 | |
1094 | |
1082 | GvSV (PL_defgv) = newSV (0); |
1095 | GvSV (PL_defgv) = newSV (0); |
1083 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1096 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1084 | GvSV (PL_errgv) = newSV (0); |
1097 | GvSV (PL_errgv) = newSV (0); |
1085 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1098 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
… | |
… | |
1106 | /* this newly created coroutine might be run on an existing cctx which most |
1119 | /* 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. |
1120 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1108 | */ |
1121 | */ |
1109 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1122 | 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 */ |
1123 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1124 | slf_frame.destroy = 0; |
1111 | |
1125 | |
1112 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1126 | /* 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; |
1127 | init_perl_op.op_next = PL_op; |
1114 | init_perl_op.op_type = OP_ENTERSUB; |
1128 | init_perl_op.op_type = OP_ENTERSUB; |
1115 | init_perl_op.op_ppaddr = pp_slf; |
1129 | init_perl_op.op_ppaddr = pp_slf; |
… | |
… | |
1120 | /* copy throw, in case it was set before init_perl */ |
1134 | /* copy throw, in case it was set before init_perl */ |
1121 | CORO_THROW = coro->except; |
1135 | CORO_THROW = coro->except; |
1122 | |
1136 | |
1123 | SWAP_SVS (coro); |
1137 | SWAP_SVS (coro); |
1124 | |
1138 | |
1125 | if (expect_false (enable_times)) |
1139 | if (ecb_expect_false (enable_times)) |
1126 | { |
1140 | { |
1127 | coro_times_update (); |
1141 | coro_times_update (); |
1128 | coro_times_sub (coro); |
1142 | coro_times_sub (coro); |
1129 | } |
1143 | } |
1130 | } |
1144 | } |
… | |
… | |
1154 | destroy_perl (pTHX_ struct coro *coro) |
1168 | destroy_perl (pTHX_ struct coro *coro) |
1155 | { |
1169 | { |
1156 | SV *svf [9]; |
1170 | SV *svf [9]; |
1157 | |
1171 | |
1158 | { |
1172 | { |
|
|
1173 | SV *old_current = SvRV (coro_current); |
1159 | struct coro *current = SvSTATE_current; |
1174 | struct coro *current = SvSTATE (old_current); |
1160 | |
1175 | |
1161 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1176 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1162 | |
1177 | |
1163 | save_perl (aTHX_ current); |
1178 | save_perl (aTHX_ current); |
1164 | SvRV_set (coro_current, (SV *)coro->hv); /* this will cause acroak in transfer_check */ |
1179 | |
|
|
1180 | /* this will cause transfer_check to croak on block*/ |
|
|
1181 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1182 | |
1165 | load_perl (aTHX_ coro); |
1183 | load_perl (aTHX_ coro); |
1166 | |
1184 | |
1167 | coro_unwind_stacks (aTHX); |
1185 | coro_unwind_stacks (aTHX); |
1168 | coro_destruct_stacks (aTHX); |
|
|
1169 | |
1186 | |
1170 | /* restore swapped sv's */ |
1187 | /* restore swapped sv's */ |
1171 | SWAP_SVS (coro); |
1188 | SWAP_SVS (coro); |
|
|
1189 | |
|
|
1190 | coro_destruct_stacks (aTHX); |
1172 | |
1191 | |
1173 | // now save some sv's to be free'd later |
1192 | // now save some sv's to be free'd later |
1174 | svf [0] = GvSV (PL_defgv); |
1193 | svf [0] = GvSV (PL_defgv); |
1175 | svf [1] = (SV *)GvAV (PL_defgv); |
1194 | svf [1] = (SV *)GvAV (PL_defgv); |
1176 | svf [2] = GvSV (PL_errgv); |
1195 | svf [2] = GvSV (PL_errgv); |
… | |
… | |
1180 | svf [6] = (SV *)GvHV (PL_hintgv); |
1199 | svf [6] = (SV *)GvHV (PL_hintgv); |
1181 | svf [7] = PL_diehook; |
1200 | svf [7] = PL_diehook; |
1182 | svf [8] = PL_warnhook; |
1201 | svf [8] = PL_warnhook; |
1183 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1202 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1184 | |
1203 | |
1185 | SvRV_set (coro_current, (SV *)current->hv); |
1204 | SvRV_set (coro_current, old_current); |
|
|
1205 | |
1186 | load_perl (aTHX_ current); |
1206 | load_perl (aTHX_ current); |
1187 | } |
1207 | } |
1188 | |
1208 | |
1189 | { |
1209 | { |
1190 | unsigned int i; |
1210 | unsigned int i; |
… | |
… | |
1197 | SvREFCNT_dec (coro->invoke_cb); |
1217 | SvREFCNT_dec (coro->invoke_cb); |
1198 | SvREFCNT_dec (coro->invoke_av); |
1218 | SvREFCNT_dec (coro->invoke_av); |
1199 | } |
1219 | } |
1200 | } |
1220 | } |
1201 | |
1221 | |
1202 | INLINE void |
1222 | ECB_INLINE void |
1203 | free_coro_mortal (pTHX) |
1223 | free_coro_mortal (pTHX) |
1204 | { |
1224 | { |
1205 | if (expect_true (coro_mortal)) |
1225 | if (ecb_expect_true (coro_mortal)) |
1206 | { |
1226 | { |
1207 | SvREFCNT_dec (coro_mortal); |
1227 | SvREFCNT_dec ((SV *)coro_mortal); |
1208 | coro_mortal = 0; |
1228 | coro_mortal = 0; |
1209 | } |
1229 | } |
1210 | } |
1230 | } |
1211 | |
1231 | |
1212 | static int |
1232 | static int |
… | |
… | |
1345 | |
1365 | |
1346 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1366 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1347 | } |
1367 | } |
1348 | |
1368 | |
1349 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1369 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1350 | static void NOINLINE |
1370 | static void ecb_noinline |
1351 | cctx_prepare (pTHX) |
1371 | cctx_prepare (pTHX) |
1352 | { |
1372 | { |
1353 | PL_top_env = &PL_start_env; |
1373 | PL_top_env = &PL_start_env; |
1354 | |
1374 | |
1355 | if (cctx_current->flags & CC_TRACE) |
1375 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1366 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1386 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1367 | slf_frame.check = slf_check_set_stacklevel; |
1387 | slf_frame.check = slf_check_set_stacklevel; |
1368 | } |
1388 | } |
1369 | |
1389 | |
1370 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1390 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1371 | INLINE void |
1391 | ECB_INLINE void |
1372 | transfer_tail (pTHX) |
1392 | transfer_tail (pTHX) |
1373 | { |
1393 | { |
1374 | free_coro_mortal (aTHX); |
1394 | free_coro_mortal (aTHX); |
1375 | } |
1395 | } |
1376 | |
1396 | |
… | |
… | |
1528 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1548 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1529 | |
1549 | |
1530 | static coro_cctx * |
1550 | static coro_cctx * |
1531 | cctx_get (pTHX) |
1551 | cctx_get (pTHX) |
1532 | { |
1552 | { |
1533 | while (expect_true (cctx_first)) |
1553 | while (ecb_expect_true (cctx_first)) |
1534 | { |
1554 | { |
1535 | coro_cctx *cctx = cctx_first; |
1555 | coro_cctx *cctx = cctx_first; |
1536 | cctx_first = cctx->next; |
1556 | cctx_first = cctx->next; |
1537 | --cctx_idle; |
1557 | --cctx_idle; |
1538 | |
1558 | |
1539 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1559 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1540 | return cctx; |
1560 | return cctx; |
1541 | |
1561 | |
1542 | cctx_destroy (cctx); |
1562 | cctx_destroy (cctx); |
1543 | } |
1563 | } |
1544 | |
1564 | |
… | |
… | |
1549 | cctx_put (coro_cctx *cctx) |
1569 | cctx_put (coro_cctx *cctx) |
1550 | { |
1570 | { |
1551 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1571 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1552 | |
1572 | |
1553 | /* free another cctx if overlimit */ |
1573 | /* free another cctx if overlimit */ |
1554 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1574 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1555 | { |
1575 | { |
1556 | coro_cctx *first = cctx_first; |
1576 | coro_cctx *first = cctx_first; |
1557 | cctx_first = first->next; |
1577 | cctx_first = first->next; |
1558 | --cctx_idle; |
1578 | --cctx_idle; |
1559 | |
1579 | |
… | |
… | |
1570 | static void |
1590 | static void |
1571 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1591 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1572 | { |
1592 | { |
1573 | /* TODO: throwing up here is considered harmful */ |
1593 | /* TODO: throwing up here is considered harmful */ |
1574 | |
1594 | |
1575 | if (expect_true (prev != next)) |
1595 | if (ecb_expect_true (prev != next)) |
1576 | { |
1596 | { |
1577 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1597 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1578 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1598 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1579 | |
1599 | |
1580 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1600 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1581 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1601 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1582 | |
1602 | |
1583 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1603 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1584 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1604 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1585 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1605 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1586 | #endif |
1606 | #endif |
1587 | } |
1607 | } |
1588 | } |
1608 | } |
1589 | |
1609 | |
1590 | /* always use the TRANSFER macro */ |
1610 | /* always use the TRANSFER macro */ |
1591 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1611 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1592 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1612 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1593 | { |
1613 | { |
1594 | dSTACKLEVEL; |
1614 | dSTACKLEVEL; |
1595 | |
1615 | |
1596 | /* sometimes transfer is only called to set idle_sp */ |
1616 | /* sometimes transfer is only called to set idle_sp */ |
1597 | if (expect_false (!prev)) |
1617 | if (ecb_expect_false (!prev)) |
1598 | { |
1618 | { |
1599 | cctx_current->idle_sp = STACKLEVEL; |
1619 | cctx_current->idle_sp = STACKLEVEL; |
1600 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1620 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1601 | } |
1621 | } |
1602 | else if (expect_true (prev != next)) |
1622 | else if (ecb_expect_true (prev != next)) |
1603 | { |
1623 | { |
1604 | coro_cctx *cctx_prev; |
1624 | coro_cctx *cctx_prev; |
1605 | |
1625 | |
1606 | if (expect_false (prev->flags & CF_NEW)) |
1626 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1607 | { |
1627 | { |
1608 | /* create a new empty/source context */ |
1628 | /* create a new empty/source context */ |
1609 | prev->flags &= ~CF_NEW; |
1629 | prev->flags &= ~CF_NEW; |
1610 | prev->flags |= CF_RUNNING; |
1630 | prev->flags |= CF_RUNNING; |
1611 | } |
1631 | } |
… | |
… | |
1614 | next->flags |= CF_RUNNING; |
1634 | next->flags |= CF_RUNNING; |
1615 | |
1635 | |
1616 | /* first get rid of the old state */ |
1636 | /* first get rid of the old state */ |
1617 | save_perl (aTHX_ prev); |
1637 | save_perl (aTHX_ prev); |
1618 | |
1638 | |
1619 | if (expect_false (next->flags & CF_NEW)) |
1639 | if (ecb_expect_false (next->flags & CF_NEW)) |
1620 | { |
1640 | { |
1621 | /* need to start coroutine */ |
1641 | /* need to start coroutine */ |
1622 | next->flags &= ~CF_NEW; |
1642 | next->flags &= ~CF_NEW; |
1623 | /* setup coroutine call */ |
1643 | /* setup coroutine call */ |
1624 | init_perl (aTHX_ next); |
1644 | init_perl (aTHX_ next); |
1625 | } |
1645 | } |
1626 | else |
1646 | else |
1627 | load_perl (aTHX_ next); |
1647 | load_perl (aTHX_ next); |
1628 | |
1648 | |
1629 | /* possibly untie and reuse the cctx */ |
1649 | /* possibly untie and reuse the cctx */ |
1630 | if (expect_true ( |
1650 | if (ecb_expect_true ( |
1631 | cctx_current->idle_sp == STACKLEVEL |
1651 | cctx_current->idle_sp == STACKLEVEL |
1632 | && !(cctx_current->flags & CC_TRACE) |
1652 | && !(cctx_current->flags & CC_TRACE) |
1633 | && !force_cctx |
1653 | && !force_cctx |
1634 | )) |
1654 | )) |
1635 | { |
1655 | { |
1636 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1656 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1637 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1657 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1638 | |
1658 | |
1639 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1659 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1640 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1660 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1641 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1661 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1642 | if (expect_true (!next->cctx)) |
1662 | if (ecb_expect_true (!next->cctx)) |
1643 | next->cctx = cctx_get (aTHX); |
1663 | next->cctx = cctx_get (aTHX); |
1644 | |
1664 | |
1645 | cctx_put (cctx_current); |
1665 | cctx_put (cctx_current); |
1646 | } |
1666 | } |
1647 | else |
1667 | else |
1648 | prev->cctx = cctx_current; |
1668 | prev->cctx = cctx_current; |
1649 | |
1669 | |
1650 | ++next->usecount; |
1670 | ++next->usecount; |
1651 | |
1671 | |
1652 | cctx_prev = cctx_current; |
1672 | cctx_prev = cctx_current; |
1653 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1673 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1654 | |
1674 | |
1655 | next->cctx = 0; |
1675 | next->cctx = 0; |
1656 | |
1676 | |
1657 | if (expect_false (cctx_prev != cctx_current)) |
1677 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1658 | { |
1678 | { |
1659 | cctx_prev->top_env = PL_top_env; |
1679 | cctx_prev->top_env = PL_top_env; |
1660 | PL_top_env = cctx_current->top_env; |
1680 | PL_top_env = cctx_current->top_env; |
1661 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1681 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1662 | } |
1682 | } |
… | |
… | |
1668 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1688 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1669 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1689 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1670 | |
1690 | |
1671 | /** high level stuff ********************************************************/ |
1691 | /** high level stuff ********************************************************/ |
1672 | |
1692 | |
|
|
1693 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1694 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
|
|
1695 | static void |
|
|
1696 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1697 | |
1673 | static void |
1698 | static void |
1674 | coro_state_destroy (pTHX_ struct coro *coro) |
1699 | coro_state_destroy (pTHX_ struct coro *coro) |
1675 | { |
1700 | { |
1676 | if (coro->flags & CF_DESTROYED) |
1701 | if (coro->flags & CF_ZOMBIE) |
1677 | return; |
1702 | return; |
1678 | |
1703 | |
1679 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
1680 | if (coro->on_destroy && !PL_dirty) |
|
|
1681 | coro->on_destroy (aTHX_ coro); |
1704 | slf_destroy (aTHX_ coro); |
1682 | |
1705 | |
1683 | /* |
|
|
1684 | * The on_destroy above most likely is from an SLF call. |
|
|
1685 | * Since by definition the SLF call will not finish when we destroy |
|
|
1686 | * the coro, we will have to force-finish it here, otherwise |
|
|
1687 | * cleanup functions cannot call SLF functions. |
|
|
1688 | */ |
|
|
1689 | coro->slf_frame.prepare = 0; |
|
|
1690 | |
|
|
1691 | coro->flags |= CF_DESTROYED; |
1706 | coro->flags |= CF_ZOMBIE; |
1692 | |
1707 | |
1693 | if (coro->flags & CF_READY) |
1708 | if (coro->flags & CF_READY) |
1694 | { |
1709 | { |
1695 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1710 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1696 | /* alternative: look through all ready queues and remove the coro */ |
1711 | /* alternative: look through all ready queues and remove the coro */ |
1697 | --coro_nready; |
1712 | --coro_nready; |
1698 | } |
1713 | } |
1699 | else |
1714 | else |
1700 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1715 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1716 | |
|
|
1717 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1718 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1719 | if (coro == coro_first) coro_first = coro->next; |
1701 | |
1720 | |
1702 | if (coro->mainstack |
1721 | if (coro->mainstack |
1703 | && coro->mainstack != main_mainstack |
1722 | && coro->mainstack != main_mainstack |
1704 | && coro->slot |
1723 | && coro->slot |
1705 | && !PL_dirty) |
1724 | && !PL_dirty) |
1706 | destroy_perl (aTHX_ coro); |
1725 | destroy_perl (aTHX_ coro); |
1707 | |
1726 | |
1708 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1709 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1710 | if (coro == coro_first) coro_first = coro->next; |
|
|
1711 | |
|
|
1712 | cctx_destroy (coro->cctx); |
1727 | cctx_destroy (coro->cctx); |
1713 | SvREFCNT_dec (coro->startcv); |
1728 | SvREFCNT_dec (coro->startcv); |
1714 | SvREFCNT_dec (coro->args); |
1729 | SvREFCNT_dec (coro->args); |
1715 | SvREFCNT_dec (coro->swap_sv); |
1730 | SvREFCNT_dec (coro->swap_sv); |
1716 | SvREFCNT_dec (CORO_THROW); |
1731 | SvREFCNT_dec (CORO_THROW); |
|
|
1732 | |
|
|
1733 | coro_call_on_destroy (aTHX_ coro); |
|
|
1734 | |
|
|
1735 | /* more destruction mayhem in coro_state_free */ |
1717 | } |
1736 | } |
1718 | |
1737 | |
1719 | static int |
1738 | static int |
1720 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1739 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1721 | { |
1740 | { |
1722 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1741 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1723 | mg->mg_ptr = 0; |
1742 | mg->mg_ptr = 0; |
1724 | |
1743 | |
1725 | coro->hv = 0; |
|
|
1726 | |
|
|
1727 | if (--coro->refcnt < 0) |
|
|
1728 | { |
|
|
1729 | coro_state_destroy (aTHX_ coro); |
1744 | coro_state_destroy (aTHX_ coro); |
|
|
1745 | SvREFCNT_dec (coro->on_destroy); |
|
|
1746 | SvREFCNT_dec (coro->status); |
|
|
1747 | |
1730 | Safefree (coro); |
1748 | Safefree (coro); |
1731 | } |
|
|
1732 | |
1749 | |
1733 | return 0; |
1750 | return 0; |
1734 | } |
1751 | } |
1735 | |
1752 | |
1736 | static int |
1753 | static int ecb_cold |
1737 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1754 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1738 | { |
1755 | { |
1739 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1756 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1740 | |
1757 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1741 | ++coro->refcnt; |
1758 | mg->mg_ptr = 0; |
|
|
1759 | mg->mg_virtual = 0; |
1742 | |
1760 | |
1743 | return 0; |
1761 | return 0; |
1744 | } |
1762 | } |
1745 | |
1763 | |
1746 | static MGVTBL coro_state_vtbl = { |
1764 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1771 | TRANSFER (ta, 1); |
1789 | TRANSFER (ta, 1); |
1772 | } |
1790 | } |
1773 | |
1791 | |
1774 | /** Coro ********************************************************************/ |
1792 | /** Coro ********************************************************************/ |
1775 | |
1793 | |
1776 | INLINE void |
1794 | ECB_INLINE void |
1777 | coro_enq (pTHX_ struct coro *coro) |
1795 | coro_enq (pTHX_ struct coro *coro) |
1778 | { |
1796 | { |
1779 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1797 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1780 | |
1798 | |
1781 | SvREFCNT_inc_NN (coro->hv); |
1799 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1783 | coro->next_ready = 0; |
1801 | coro->next_ready = 0; |
1784 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1802 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1785 | ready [1] = coro; |
1803 | ready [1] = coro; |
1786 | } |
1804 | } |
1787 | |
1805 | |
1788 | INLINE struct coro * |
1806 | ECB_INLINE struct coro * |
1789 | coro_deq (pTHX) |
1807 | coro_deq (pTHX) |
1790 | { |
1808 | { |
1791 | int prio; |
1809 | int prio; |
1792 | |
1810 | |
1793 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1811 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1846 | { |
1864 | { |
1847 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1865 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1848 | } |
1866 | } |
1849 | |
1867 | |
1850 | /* expects to own a reference to next->hv */ |
1868 | /* expects to own a reference to next->hv */ |
1851 | INLINE void |
1869 | ECB_INLINE void |
1852 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1870 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1853 | { |
1871 | { |
1854 | SV *prev_sv = SvRV (coro_current); |
1872 | SV *prev_sv = SvRV (coro_current); |
1855 | |
1873 | |
1856 | ta->prev = SvSTATE_hv (prev_sv); |
1874 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1869 | { |
1887 | { |
1870 | for (;;) |
1888 | for (;;) |
1871 | { |
1889 | { |
1872 | struct coro *next = coro_deq (aTHX); |
1890 | struct coro *next = coro_deq (aTHX); |
1873 | |
1891 | |
1874 | if (expect_true (next)) |
1892 | if (ecb_expect_true (next)) |
1875 | { |
1893 | { |
1876 | /* cannot transfer to destroyed coros, skip and look for next */ |
1894 | /* cannot transfer to destroyed coros, skip and look for next */ |
1877 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1895 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1878 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1896 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1879 | else |
1897 | else |
1880 | { |
1898 | { |
1881 | next->flags &= ~CF_READY; |
1899 | next->flags &= ~CF_READY; |
1882 | --coro_nready; |
1900 | --coro_nready; |
… | |
… | |
1915 | } |
1933 | } |
1916 | } |
1934 | } |
1917 | } |
1935 | } |
1918 | } |
1936 | } |
1919 | |
1937 | |
1920 | INLINE void |
1938 | ECB_INLINE void |
1921 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1939 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1922 | { |
1940 | { |
1923 | api_ready (aTHX_ coro_current); |
1941 | api_ready (aTHX_ coro_current); |
1924 | prepare_schedule (aTHX_ ta); |
1942 | prepare_schedule (aTHX_ ta); |
1925 | } |
1943 | } |
1926 | |
1944 | |
1927 | INLINE void |
1945 | ECB_INLINE void |
1928 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1946 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1929 | { |
1947 | { |
1930 | SV *prev = SvRV (coro_current); |
1948 | SV *prev = SvRV (coro_current); |
1931 | |
1949 | |
1932 | if (coro_nready) |
1950 | if (coro_nready) |
… | |
… | |
1962 | { |
1980 | { |
1963 | struct coro_transfer_args ta; |
1981 | struct coro_transfer_args ta; |
1964 | |
1982 | |
1965 | prepare_cede (aTHX_ &ta); |
1983 | prepare_cede (aTHX_ &ta); |
1966 | |
1984 | |
1967 | if (expect_true (ta.prev != ta.next)) |
1985 | if (ecb_expect_true (ta.prev != ta.next)) |
1968 | { |
1986 | { |
1969 | TRANSFER (ta, 1); |
1987 | TRANSFER (ta, 1); |
1970 | return 1; |
1988 | return 1; |
1971 | } |
1989 | } |
1972 | else |
1990 | else |
… | |
… | |
2015 | coro->slot->runops = RUNOPS_DEFAULT; |
2033 | coro->slot->runops = RUNOPS_DEFAULT; |
2016 | } |
2034 | } |
2017 | } |
2035 | } |
2018 | |
2036 | |
2019 | static void |
2037 | static void |
|
|
2038 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2039 | { |
|
|
2040 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2041 | { |
|
|
2042 | dSP; |
|
|
2043 | |
|
|
2044 | if (gimme_v == G_SCALAR) |
|
|
2045 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2046 | else |
|
|
2047 | { |
|
|
2048 | int i; |
|
|
2049 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2050 | |
|
|
2051 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2052 | PUSHs (AvARRAY (av)[i]); |
|
|
2053 | } |
|
|
2054 | |
|
|
2055 | PUTBACK; |
|
|
2056 | } |
|
|
2057 | } |
|
|
2058 | |
|
|
2059 | static void |
|
|
2060 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2061 | { |
|
|
2062 | if (!coro->on_destroy) |
|
|
2063 | coro->on_destroy = newAV (); |
|
|
2064 | |
|
|
2065 | av_push (coro->on_destroy, cb); |
|
|
2066 | } |
|
|
2067 | |
|
|
2068 | static void |
|
|
2069 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2070 | { |
|
|
2071 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2072 | } |
|
|
2073 | |
|
|
2074 | static int |
|
|
2075 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2076 | { |
|
|
2077 | struct coro *coro = (struct coro *)frame->data; |
|
|
2078 | |
|
|
2079 | if (!coro->status) |
|
|
2080 | return 1; |
|
|
2081 | |
|
|
2082 | frame->destroy = 0; |
|
|
2083 | |
|
|
2084 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2085 | |
|
|
2086 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2087 | |
|
|
2088 | return 0; |
|
|
2089 | } |
|
|
2090 | |
|
|
2091 | static void |
|
|
2092 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2093 | { |
|
|
2094 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2095 | |
|
|
2096 | if (items > 1) |
|
|
2097 | croak ("join called with too many arguments"); |
|
|
2098 | |
|
|
2099 | if (coro->status) |
|
|
2100 | frame->prepare = prepare_nop; |
|
|
2101 | else |
|
|
2102 | { |
|
|
2103 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2104 | frame->prepare = prepare_schedule; |
|
|
2105 | } |
|
|
2106 | |
|
|
2107 | frame->check = slf_check_join; |
|
|
2108 | frame->destroy = slf_destroy_join; |
|
|
2109 | frame->data = (void *)coro; |
|
|
2110 | SvREFCNT_inc (coro->hv); |
|
|
2111 | } |
|
|
2112 | |
|
|
2113 | static void |
2020 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2114 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2021 | { |
2115 | { |
2022 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2116 | AV *od = coro->on_destroy; |
2023 | |
2117 | |
2024 | if (on_destroyp) |
2118 | if (!od) |
2025 | { |
2119 | return; |
2026 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
2027 | AV *on_destroy = sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*on_destroyp))); |
|
|
2028 | AV *status = statusp ? sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*statusp))) : 0; |
|
|
2029 | |
2120 | |
2030 | while (AvFILLp (on_destroy) >= 0) |
2121 | while (AvFILLp (od) >= 0) |
|
|
2122 | { |
|
|
2123 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2124 | |
|
|
2125 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2126 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2127 | api_ready (aTHX_ cb); |
|
|
2128 | else |
2031 | { |
2129 | { |
2032 | dSP; /* don't disturb outer sp */ |
2130 | dSP; /* don't disturb outer sp */ |
2033 | SV *cb = av_pop (on_destroy); |
|
|
2034 | |
|
|
2035 | PUSHMARK (SP); |
2131 | PUSHMARK (SP); |
2036 | |
2132 | |
2037 | if (statusp) |
2133 | if (coro->status) |
2038 | { |
2134 | { |
2039 | int i; |
2135 | PUTBACK; |
2040 | EXTEND (SP, AvFILLp (status) + 1); |
2136 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
2041 | |
2137 | SPAGAIN; |
2042 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
2043 | PUSHs (AvARRAY (status)[i]); |
|
|
2044 | } |
2138 | } |
2045 | |
2139 | |
2046 | PUTBACK; |
2140 | PUTBACK; |
2047 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2141 | call_sv (cb, G_VOID | G_DISCARD); |
2048 | } |
2142 | } |
2049 | } |
2143 | } |
2050 | } |
2144 | } |
2051 | |
2145 | |
2052 | static void |
2146 | static void |
2053 | coro_set_status (HV *coro_hv, SV **arg, int items) |
2147 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2054 | { |
2148 | { |
2055 | AV *av = newAV (); |
2149 | AV *av; |
|
|
2150 | |
|
|
2151 | if (coro->status) |
|
|
2152 | { |
|
|
2153 | av = coro->status; |
|
|
2154 | av_clear (av); |
|
|
2155 | } |
|
|
2156 | else |
|
|
2157 | av = coro->status = newAV (); |
2056 | |
2158 | |
2057 | /* items are actually not so common, so optimise for this case */ |
2159 | /* items are actually not so common, so optimise for this case */ |
2058 | if (items) |
2160 | if (items) |
2059 | { |
2161 | { |
2060 | int i; |
2162 | int i; |
… | |
… | |
2062 | av_extend (av, items - 1); |
2164 | av_extend (av, items - 1); |
2063 | |
2165 | |
2064 | for (i = 0; i < items; ++i) |
2166 | for (i = 0; i < items; ++i) |
2065 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2167 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2066 | } |
2168 | } |
2067 | |
|
|
2068 | hv_store (coro_hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
2069 | } |
2169 | } |
2070 | |
2170 | |
2071 | static void |
2171 | static void |
2072 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
2172 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
2073 | { |
2173 | { |
… | |
… | |
2085 | static void |
2185 | static void |
2086 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2186 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2087 | { |
2187 | { |
2088 | HV *coro_hv = (HV *)SvRV (coro_current); |
2188 | HV *coro_hv = (HV *)SvRV (coro_current); |
2089 | |
2189 | |
2090 | coro_set_status (coro_hv, arg, items); |
2190 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
2091 | slf_init_terminate_cancel_common (frame, coro_hv); |
2191 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2092 | } |
2192 | } |
2093 | |
2193 | |
2094 | static void |
2194 | static void |
2095 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2195 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2096 | { |
2196 | { |
… | |
… | |
2101 | croak ("Coro::cancel called without coro object,"); |
2201 | croak ("Coro::cancel called without coro object,"); |
2102 | |
2202 | |
2103 | coro = SvSTATE (arg [0]); |
2203 | coro = SvSTATE (arg [0]); |
2104 | coro_hv = coro->hv; |
2204 | coro_hv = coro->hv; |
2105 | |
2205 | |
2106 | coro_set_status (coro_hv, arg + 1, items - 1); |
2206 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2107 | |
2207 | |
2108 | if (expect_false (coro->flags & CF_NOCANCEL)) |
2208 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2109 | { |
2209 | { |
2110 | /* coro currently busy cancelling something, so just notify it */ |
2210 | /* coro currently busy cancelling something, so just notify it */ |
2111 | coro->slf_frame.data = (void *)coro; |
2211 | coro->slf_frame.data = (void *)coro; |
2112 | |
2212 | |
2113 | frame->prepare = prepare_nop; |
2213 | frame->prepare = prepare_nop; |
2114 | frame->check = slf_check_nop; |
2214 | frame->check = slf_check_nop; |
2115 | } |
2215 | } |
2116 | else if (coro_hv == (HV *)SvRV (coro_current)) |
2216 | else if (coro_hv == (HV *)SvRV (coro_current)) |
2117 | { |
2217 | { |
2118 | /* cancelling the current coro is allowed, and equals terminate */ |
2218 | /* cancelling the current coro is allowed, and equals terminate */ |
2119 | slf_init_terminate_cancel_common (frame, coro_hv); |
2219 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2120 | } |
2220 | } |
2121 | else |
2221 | else |
2122 | { |
2222 | { |
2123 | struct coro *self = SvSTATE_current; |
2223 | struct coro *self = SvSTATE_current; |
2124 | |
2224 | |
… | |
… | |
2128 | * this is ugly, and hopefully fully worth the extra speed. |
2228 | * this is ugly, and hopefully fully worth the extra speed. |
2129 | * besides, I can't get the slow-but-safe version working... |
2229 | * besides, I can't get the slow-but-safe version working... |
2130 | */ |
2230 | */ |
2131 | slf_frame.data = 0; |
2231 | slf_frame.data = 0; |
2132 | self->flags |= CF_NOCANCEL; |
2232 | self->flags |= CF_NOCANCEL; |
2133 | |
|
|
2134 | coro_state_destroy (aTHX_ coro); |
2233 | coro_state_destroy (aTHX_ coro); |
2135 | coro_call_on_destroy (aTHX_ coro); |
|
|
2136 | |
|
|
2137 | self->flags &= ~CF_NOCANCEL; |
2234 | self->flags &= ~CF_NOCANCEL; |
2138 | |
2235 | |
2139 | if (slf_frame.data) |
2236 | if (slf_frame.data) |
2140 | { |
2237 | { |
2141 | /* while we were busy we have been cancelled, so terminate */ |
2238 | /* while we were busy we have been cancelled, so terminate */ |
2142 | slf_init_terminate_cancel_common (frame, self->hv); |
2239 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
2143 | } |
2240 | } |
2144 | else |
2241 | else |
2145 | { |
2242 | { |
2146 | frame->prepare = prepare_nop; |
2243 | frame->prepare = prepare_nop; |
2147 | frame->check = slf_check_nop; |
2244 | frame->check = slf_check_nop; |
2148 | } |
2245 | } |
2149 | } |
2246 | } |
2150 | } |
2247 | } |
2151 | |
2248 | |
|
|
2249 | static int |
|
|
2250 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2251 | { |
|
|
2252 | frame->prepare = 0; |
|
|
2253 | coro_unwind_stacks (aTHX); |
|
|
2254 | |
|
|
2255 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2256 | |
|
|
2257 | return 1; |
|
|
2258 | } |
|
|
2259 | |
|
|
2260 | static int |
|
|
2261 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2262 | { |
|
|
2263 | if (coro->cctx) |
|
|
2264 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2265 | |
|
|
2266 | if (coro->flags & CF_NEW) |
|
|
2267 | { |
|
|
2268 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2269 | coro_state_destroy (aTHX_ coro); |
|
|
2270 | } |
|
|
2271 | else |
|
|
2272 | { |
|
|
2273 | if (!coro->slf_frame.prepare) |
|
|
2274 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2275 | |
|
|
2276 | slf_destroy (aTHX_ coro); |
|
|
2277 | |
|
|
2278 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2279 | coro->slf_frame.prepare = prepare_nop; |
|
|
2280 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2281 | |
|
|
2282 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2283 | } |
|
|
2284 | |
|
|
2285 | return 1; |
|
|
2286 | } |
|
|
2287 | |
2152 | /*****************************************************************************/ |
2288 | /*****************************************************************************/ |
2153 | /* async pool handler */ |
2289 | /* async pool handler */ |
2154 | |
2290 | |
2155 | static int |
2291 | static int |
2156 | slf_check_pool_handler (pTHX_ struct CoroSLF *frame) |
2292 | slf_check_pool_handler (pTHX_ struct CoroSLF *frame) |
… | |
… | |
2185 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2321 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2186 | { |
2322 | { |
2187 | HV *hv = (HV *)SvRV (coro_current); |
2323 | HV *hv = (HV *)SvRV (coro_current); |
2188 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2324 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2189 | |
2325 | |
2190 | if (expect_true (coro->saved_deffh)) |
2326 | if (ecb_expect_true (coro->saved_deffh)) |
2191 | { |
2327 | { |
2192 | /* subsequent iteration */ |
2328 | /* subsequent iteration */ |
2193 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2329 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2194 | coro->saved_deffh = 0; |
2330 | coro->saved_deffh = 0; |
2195 | |
2331 | |
2196 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2332 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2197 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2333 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2198 | { |
2334 | { |
2199 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2335 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
2200 | coro->invoke_av = newAV (); |
2336 | return; |
2201 | |
|
|
2202 | frame->prepare = prepare_nop; |
|
|
2203 | } |
2337 | } |
2204 | else |
2338 | else |
2205 | { |
2339 | { |
2206 | av_clear (GvAV (PL_defgv)); |
2340 | av_clear (GvAV (PL_defgv)); |
2207 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2341 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
2430 | static void |
2564 | static void |
2431 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2565 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2432 | { |
2566 | { |
2433 | frame->prepare = prepare_cede_notself; |
2567 | frame->prepare = prepare_cede_notself; |
2434 | frame->check = slf_check_nop; |
2568 | frame->check = slf_check_nop; |
|
|
2569 | } |
|
|
2570 | |
|
|
2571 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2572 | static void |
|
|
2573 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2574 | { |
|
|
2575 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2576 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2577 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2578 | |
|
|
2579 | /* |
|
|
2580 | * The on_destroy above most likely is from an SLF call. |
|
|
2581 | * Since by definition the SLF call will not finish when we destroy |
|
|
2582 | * the coro, we will have to force-finish it here, otherwise |
|
|
2583 | * cleanup functions cannot call SLF functions. |
|
|
2584 | */ |
|
|
2585 | coro->slf_frame.prepare = 0; |
2435 | } |
2586 | } |
2436 | |
2587 | |
2437 | /* |
2588 | /* |
2438 | * these not obviously related functions are all rolled into one |
2589 | * these not obviously related functions are all rolled into one |
2439 | * function to increase chances that they all will call transfer with the same |
2590 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2446 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2597 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2447 | |
2598 | |
2448 | /* set up the slf frame, unless it has already been set-up */ |
2599 | /* set up the slf frame, unless it has already been set-up */ |
2449 | /* the latter happens when a new coro has been started */ |
2600 | /* the latter happens when a new coro has been started */ |
2450 | /* or when a new cctx was attached to an existing coroutine */ |
2601 | /* or when a new cctx was attached to an existing coroutine */ |
2451 | if (expect_true (!slf_frame.prepare)) |
2602 | if (ecb_expect_true (!slf_frame.prepare)) |
2452 | { |
2603 | { |
2453 | /* first iteration */ |
2604 | /* first iteration */ |
2454 | dSP; |
2605 | dSP; |
2455 | SV **arg = PL_stack_base + TOPMARK + 1; |
2606 | SV **arg = PL_stack_base + TOPMARK + 1; |
2456 | int items = SP - arg; /* args without function object */ |
2607 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2497 | while (slf_frame.check (aTHX_ &slf_frame)); |
2648 | while (slf_frame.check (aTHX_ &slf_frame)); |
2498 | |
2649 | |
2499 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2650 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2500 | |
2651 | |
2501 | /* exception handling */ |
2652 | /* exception handling */ |
2502 | if (expect_false (CORO_THROW)) |
2653 | if (ecb_expect_false (CORO_THROW)) |
2503 | { |
2654 | { |
2504 | SV *exception = sv_2mortal (CORO_THROW); |
2655 | SV *exception = sv_2mortal (CORO_THROW); |
2505 | |
2656 | |
2506 | CORO_THROW = 0; |
2657 | CORO_THROW = 0; |
2507 | sv_setsv (ERRSV, exception); |
2658 | sv_setsv (ERRSV, exception); |
2508 | croak (0); |
2659 | croak (0); |
2509 | } |
2660 | } |
2510 | |
2661 | |
2511 | /* return value handling - mostly like entersub */ |
2662 | /* return value handling - mostly like entersub */ |
2512 | /* make sure we put something on the stack in scalar context */ |
2663 | /* make sure we put something on the stack in scalar context */ |
2513 | if (GIMME_V == G_SCALAR) |
2664 | if (GIMME_V == G_SCALAR |
|
|
2665 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2514 | { |
2666 | { |
2515 | dSP; |
2667 | dSP; |
2516 | SV **bot = PL_stack_base + checkmark; |
2668 | SV **bot = PL_stack_base + checkmark; |
2517 | |
2669 | |
2518 | if (sp == bot) /* too few, push undef */ |
2670 | if (sp == bot) /* too few, push undef */ |
2519 | bot [1] = &PL_sv_undef; |
2671 | bot [1] = &PL_sv_undef; |
2520 | else if (sp != bot + 1) /* too many, take last one */ |
2672 | else /* too many, take last one */ |
2521 | bot [1] = *sp; |
2673 | bot [1] = *sp; |
2522 | |
2674 | |
2523 | SP = bot + 1; |
2675 | SP = bot + 1; |
2524 | |
2676 | |
2525 | PUTBACK; |
2677 | PUTBACK; |
… | |
… | |
2632 | { |
2784 | { |
2633 | PerlIOBuf base; |
2785 | PerlIOBuf base; |
2634 | NV next, every; |
2786 | NV next, every; |
2635 | } PerlIOCede; |
2787 | } PerlIOCede; |
2636 | |
2788 | |
2637 | static IV |
2789 | static IV ecb_cold |
2638 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2790 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2639 | { |
2791 | { |
2640 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2792 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2641 | |
2793 | |
2642 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2794 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2643 | self->next = nvtime () + self->every; |
2795 | self->next = nvtime () + self->every; |
2644 | |
2796 | |
2645 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2797 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2646 | } |
2798 | } |
2647 | |
2799 | |
2648 | static SV * |
2800 | static SV * ecb_cold |
2649 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2801 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2650 | { |
2802 | { |
2651 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2803 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2652 | |
2804 | |
2653 | return newSVnv (self->every); |
2805 | return newSVnv (self->every); |
… | |
… | |
2765 | SvREFCNT_dec (cb); |
2917 | SvREFCNT_dec (cb); |
2766 | } |
2918 | } |
2767 | } |
2919 | } |
2768 | |
2920 | |
2769 | static void |
2921 | static void |
2770 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2922 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2771 | { |
2923 | { |
2772 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2924 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2773 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2925 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2774 | } |
2926 | } |
2775 | |
2927 | |
2776 | static int |
2928 | static int |
2777 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2929 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2778 | { |
2930 | { |
2779 | AV *av = (AV *)frame->data; |
2931 | AV *av = (AV *)frame->data; |
2780 | SV *count_sv = AvARRAY (av)[0]; |
2932 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2933 | SV *coro_hv = SvRV (coro_current); |
2781 | |
2934 | |
2782 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2935 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2783 | if (CORO_THROW) |
2936 | if (CORO_THROW) |
2784 | return 0; |
2937 | return 0; |
2785 | else if (SvIVX (count_sv) > 0) |
2938 | else if (SvIVX (count_sv) > 0) |
2786 | { |
2939 | { |
2787 | SvSTATE_current->on_destroy = 0; |
2940 | frame->destroy = 0; |
2788 | |
2941 | |
2789 | if (acquire) |
2942 | if (acquire) |
2790 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2943 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2791 | else |
2944 | else |
2792 | coro_semaphore_adjust (aTHX_ av, 0); |
2945 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2797 | { |
2950 | { |
2798 | int i; |
2951 | int i; |
2799 | /* if we were woken up but can't down, we look through the whole */ |
2952 | /* if we were woken up but can't down, we look through the whole */ |
2800 | /* waiters list and only add us if we aren't in there already */ |
2953 | /* waiters list and only add us if we aren't in there already */ |
2801 | /* this avoids some degenerate memory usage cases */ |
2954 | /* this avoids some degenerate memory usage cases */ |
2802 | |
2955 | for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug |
2803 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2804 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2956 | if (AvARRAY (av)[i] == coro_hv) |
2805 | return 1; |
2957 | return 1; |
2806 | |
2958 | |
2807 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2959 | av_push (av, SvREFCNT_inc (coro_hv)); |
2808 | return 1; |
2960 | return 1; |
2809 | } |
2961 | } |
2810 | } |
2962 | } |
2811 | |
2963 | |
2812 | static int |
2964 | static int |
… | |
… | |
2835 | { |
2987 | { |
2836 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2988 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2837 | |
2989 | |
2838 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2990 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2839 | frame->prepare = prepare_schedule; |
2991 | frame->prepare = prepare_schedule; |
2840 | |
|
|
2841 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2992 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2842 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2993 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2843 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2994 | frame->destroy = coro_semaphore_destroy; |
2844 | } |
2995 | } |
2845 | } |
2996 | } |
2846 | |
2997 | |
2847 | static void |
2998 | static void |
2848 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2999 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
3066 | dSP; |
3217 | dSP; |
3067 | |
3218 | |
3068 | static SV *prio_cv; |
3219 | static SV *prio_cv; |
3069 | static SV *prio_sv; |
3220 | static SV *prio_sv; |
3070 | |
3221 | |
3071 | if (expect_false (!prio_cv)) |
3222 | if (ecb_expect_false (!prio_cv)) |
3072 | { |
3223 | { |
3073 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3224 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3074 | prio_sv = newSViv (0); |
3225 | prio_sv = newSViv (0); |
3075 | } |
3226 | } |
3076 | |
3227 | |
… | |
… | |
3182 | } |
3333 | } |
3183 | |
3334 | |
3184 | return coro_sv; |
3335 | return coro_sv; |
3185 | } |
3336 | } |
3186 | |
3337 | |
|
|
3338 | #ifndef __cplusplus |
|
|
3339 | ecb_cold XS(boot_Coro__State); |
|
|
3340 | #endif |
|
|
3341 | |
|
|
3342 | #if CORO_JIT |
|
|
3343 | |
|
|
3344 | static void ecb_noinline ecb_cold |
|
|
3345 | pushav_3uv (pTHX_ UV a, UV b, UV c) |
|
|
3346 | { |
|
|
3347 | dSP; |
|
|
3348 | AV *av = newAV (); |
|
|
3349 | |
|
|
3350 | av_store (av, 2, newSVuv (c)); |
|
|
3351 | av_store (av, 1, newSVuv (b)); |
|
|
3352 | av_store (av, 0, newSVuv (a)); |
|
|
3353 | |
|
|
3354 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3355 | |
|
|
3356 | PUTBACK; |
|
|
3357 | } |
|
|
3358 | |
|
|
3359 | static void ecb_noinline ecb_cold |
|
|
3360 | jit_init (pTHX) |
|
|
3361 | { |
|
|
3362 | dSP; |
|
|
3363 | SV *load, *save; |
|
|
3364 | char *map_base; |
|
|
3365 | char *load_ptr, *save_ptr; |
|
|
3366 | STRLEN load_len, save_len; |
|
|
3367 | int count; |
|
|
3368 | |
|
|
3369 | PUSHMARK (SP); |
|
|
3370 | PUTBACK; |
|
|
3371 | #define VARx(name,expr,type) pushav_3uv (aTHX_ (UV)&(expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3372 | # include "state.h" |
|
|
3373 | #undef VARx |
|
|
3374 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3375 | SPAGAIN; |
|
|
3376 | |
|
|
3377 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3378 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3379 | |
|
|
3380 | map_base = mmap (0, load_len + save_len + 16, PROT_EXEC | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3381 | |
|
|
3382 | assert (("Coro: unable mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3383 | |
|
|
3384 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3385 | memcpy (map_base, load_ptr, load_len); |
|
|
3386 | |
|
|
3387 | map_base += (load_len + 15) & ~15; |
|
|
3388 | |
|
|
3389 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3390 | memcpy (map_base, save_ptr, save_len); |
|
|
3391 | } |
|
|
3392 | |
|
|
3393 | #endif |
|
|
3394 | |
3187 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3395 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3188 | |
3396 | |
3189 | PROTOTYPES: DISABLE |
3397 | PROTOTYPES: DISABLE |
3190 | |
3398 | |
3191 | BOOT: |
3399 | BOOT: |
… | |
… | |
3195 | coro_thx = PERL_GET_CONTEXT; |
3403 | coro_thx = PERL_GET_CONTEXT; |
3196 | # endif |
3404 | # endif |
3197 | #endif |
3405 | #endif |
3198 | BOOT_PAGESIZE; |
3406 | BOOT_PAGESIZE; |
3199 | |
3407 | |
|
|
3408 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3409 | /* just create them one at init time is not clear to me, except for */ |
|
|
3410 | /* programs trying to delete them, but... */ |
|
|
3411 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3412 | DEFSV; |
|
|
3413 | ERRSV; |
|
|
3414 | |
3200 | cctx_current = cctx_new_empty (); |
3415 | cctx_current = cctx_new_empty (); |
3201 | |
3416 | |
3202 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3417 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3203 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3418 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3204 | |
3419 | |
… | |
… | |
3246 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3461 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3247 | |
3462 | |
3248 | time_init (aTHX); |
3463 | time_init (aTHX); |
3249 | |
3464 | |
3250 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3465 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3466 | #if CORO_JIT |
|
|
3467 | PUTBACK; |
|
|
3468 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3469 | jit_init (aTHX); |
|
|
3470 | perl_eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3471 | SPAGAIN; |
|
|
3472 | #endif |
3251 | } |
3473 | } |
3252 | |
3474 | |
3253 | SV * |
3475 | SV * |
3254 | new (SV *klass, ...) |
3476 | new (SV *klass, ...) |
3255 | ALIAS: |
3477 | ALIAS: |
… | |
… | |
3397 | PROTOTYPE: $ |
3619 | PROTOTYPE: $ |
3398 | ALIAS: |
3620 | ALIAS: |
3399 | is_ready = CF_READY |
3621 | is_ready = CF_READY |
3400 | is_running = CF_RUNNING |
3622 | is_running = CF_RUNNING |
3401 | is_new = CF_NEW |
3623 | is_new = CF_NEW |
3402 | is_destroyed = CF_DESTROYED |
3624 | is_destroyed = CF_ZOMBIE |
|
|
3625 | is_zombie = CF_ZOMBIE |
3403 | is_suspended = CF_SUSPENDED |
3626 | is_suspended = CF_SUSPENDED |
3404 | CODE: |
3627 | CODE: |
3405 | RETVAL = boolSV (coro->flags & ix); |
3628 | RETVAL = boolSV (coro->flags & ix); |
3406 | OUTPUT: |
3629 | OUTPUT: |
3407 | RETVAL |
3630 | RETVAL |
… | |
… | |
3502 | times (Coro::State self) |
3725 | times (Coro::State self) |
3503 | PPCODE: |
3726 | PPCODE: |
3504 | { |
3727 | { |
3505 | struct coro *current = SvSTATE (coro_current); |
3728 | struct coro *current = SvSTATE (coro_current); |
3506 | |
3729 | |
3507 | if (expect_false (current == self)) |
3730 | if (ecb_expect_false (current == self)) |
3508 | { |
3731 | { |
3509 | coro_times_update (); |
3732 | coro_times_update (); |
3510 | coro_times_add (SvSTATE (coro_current)); |
3733 | coro_times_add (SvSTATE (coro_current)); |
3511 | } |
3734 | } |
3512 | |
3735 | |
3513 | EXTEND (SP, 2); |
3736 | EXTEND (SP, 2); |
3514 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3737 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3515 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3738 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3516 | |
3739 | |
3517 | if (expect_false (current == self)) |
3740 | if (ecb_expect_false (current == self)) |
3518 | coro_times_sub (SvSTATE (coro_current)); |
3741 | coro_times_sub (SvSTATE (coro_current)); |
3519 | } |
3742 | } |
3520 | |
3743 | |
3521 | void |
3744 | void |
3522 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3745 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
… | |
… | |
3543 | BOOT: |
3766 | BOOT: |
3544 | { |
3767 | { |
3545 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3768 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3546 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3769 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3547 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3770 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3548 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3549 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3771 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3550 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3772 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3551 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3773 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3552 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3774 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3553 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3775 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
… | |
… | |
3596 | void |
3818 | void |
3597 | _destroy (Coro::State coro) |
3819 | _destroy (Coro::State coro) |
3598 | CODE: |
3820 | CODE: |
3599 | /* used by the manager thread */ |
3821 | /* used by the manager thread */ |
3600 | coro_state_destroy (aTHX_ coro); |
3822 | coro_state_destroy (aTHX_ coro); |
|
|
3823 | |
|
|
3824 | void |
|
|
3825 | on_destroy (Coro::State coro, SV *cb) |
|
|
3826 | CODE: |
3601 | coro_call_on_destroy (aTHX_ coro); |
3827 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3828 | |
|
|
3829 | void |
|
|
3830 | join (...) |
|
|
3831 | CODE: |
|
|
3832 | CORO_EXECUTE_SLF_XS (slf_init_join); |
3602 | |
3833 | |
3603 | void |
3834 | void |
3604 | terminate (...) |
3835 | terminate (...) |
3605 | CODE: |
3836 | CODE: |
3606 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3837 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3607 | |
3838 | |
3608 | void |
3839 | void |
3609 | cancel (...) |
3840 | cancel (...) |
3610 | CODE: |
3841 | CODE: |
3611 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
3842 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3843 | |
|
|
3844 | int |
|
|
3845 | safe_cancel (Coro::State self, ...) |
|
|
3846 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
3612 | |
3847 | |
3613 | void |
3848 | void |
3614 | schedule (...) |
3849 | schedule (...) |
3615 | CODE: |
3850 | CODE: |
3616 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3851 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |