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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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31 | # define setjmp _setjmp /* deep magic */ |
33 | # define setjmp _setjmp /* deep magic */ |
32 | #else |
34 | #else |
33 | # include <inttypes.h> /* most portable stdint.h */ |
35 | # include <inttypes.h> /* most portable stdint.h */ |
34 | #endif |
36 | #endif |
35 | |
37 | |
36 | #ifdef HAVE_MMAP |
38 | #if HAVE_MMAP |
37 | # include <unistd.h> |
39 | # include <unistd.h> |
38 | # include <sys/mman.h> |
40 | # include <sys/mman.h> |
39 | # ifndef MAP_ANONYMOUS |
41 | # ifndef MAP_ANONYMOUS |
40 | # ifdef MAP_ANON |
42 | # ifdef MAP_ANON |
41 | # define MAP_ANONYMOUS MAP_ANON |
43 | # define MAP_ANONYMOUS MAP_ANON |
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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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196 | int valgrind_id; |
188 | int valgrind_id; |
197 | #endif |
189 | #endif |
198 | unsigned char flags; |
190 | unsigned char flags; |
199 | } coro_cctx; |
191 | } coro_cctx; |
200 | |
192 | |
201 | 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 */ |
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206 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
211 | }; |
207 | }; |
212 | |
208 | |
213 | /* 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 */ |
214 | typedef struct |
210 | typedef struct |
215 | { |
211 | { |
216 | SV *defsv; |
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217 | AV *defav; |
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218 | SV *errsv; |
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219 | SV *irsgv; |
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220 | HV *hinthv; |
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221 | #define VAR(name,type) type name; |
212 | #define VARx(name,expr,type) type name; |
222 | # include "state.h" |
213 | # include "state.h" |
223 | #undef VAR |
214 | #undef VARx |
224 | } perl_slots; |
215 | } perl_slots; |
225 | |
216 | |
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217 | /* how many context stack entries do we need for perl_slots */ |
226 | #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)) |
227 | |
219 | |
228 | /* this is a structure representing a perl-level coroutine */ |
220 | /* this is a structure representing a perl-level coroutine */ |
229 | struct coro { |
221 | struct coro |
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222 | { |
230 | /* the C coroutine allocated to this perl coroutine, if any */ |
223 | /* the C coroutine allocated to this perl coroutine, if any */ |
231 | coro_cctx *cctx; |
224 | coro_cctx *cctx; |
232 | |
225 | |
233 | /* ready queue */ |
226 | /* ready queue */ |
234 | struct coro *next_ready; |
227 | struct coro *next_ready; |
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236 | /* state data */ |
229 | /* state data */ |
237 | struct CoroSLF slf_frame; /* saved slf frame */ |
230 | struct CoroSLF slf_frame; /* saved slf frame */ |
238 | AV *mainstack; |
231 | AV *mainstack; |
239 | perl_slots *slot; /* basically the saved sp */ |
232 | perl_slots *slot; /* basically the saved sp */ |
240 | |
233 | |
241 | CV *startcv; /* the CV to execute */ |
234 | CV *startcv; /* the CV to execute */ |
242 | AV *args; /* data associated with this coroutine (initial args) */ |
235 | AV *args; /* data associated with this coroutine (initial args) */ |
243 | int refcnt; /* coroutines are refcounted, yes */ |
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244 | int flags; /* CF_ flags */ |
236 | int flags; /* CF_ flags */ |
245 | HV *hv; /* the perl hash associated with this coro, if any */ |
237 | HV *hv; /* the perl hash associated with this coro, if any */ |
246 | void (*on_destroy)(pTHX_ struct coro *coro); /* for temporary use by xs in critical sections */ |
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247 | |
238 | |
248 | /* statistics */ |
239 | /* statistics */ |
249 | int usecount; /* number of transfers to this coro */ |
240 | int usecount; /* number of transfers to this coro */ |
250 | |
241 | |
251 | /* coro process data */ |
242 | /* coro process data */ |
252 | int prio; |
243 | int prio; |
253 | SV *except; /* exception to be thrown */ |
244 | SV *except; /* exception to be thrown */ |
254 | 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 */ |
255 | |
248 | |
256 | /* async_pool */ |
249 | /* async_pool */ |
257 | SV *saved_deffh; |
250 | SV *saved_deffh; |
258 | SV *invoke_cb; |
251 | SV *invoke_cb; |
259 | AV *invoke_av; |
252 | AV *invoke_av; |
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275 | typedef struct coro *Coro__State; |
268 | typedef struct coro *Coro__State; |
276 | typedef struct coro *Coro__State_or_hashref; |
269 | typedef struct coro *Coro__State_or_hashref; |
277 | |
270 | |
278 | /* the following variables are effectively part of the perl context */ |
271 | /* the following variables are effectively part of the perl context */ |
279 | /* and get copied between struct coro and these variables */ |
272 | /* and get copied between struct coro and these variables */ |
280 | /* the mainr easonw e don't support windows process emulation */ |
273 | /* the main reason we don't support windows process emulation */ |
281 | static struct CoroSLF slf_frame; /* the current slf frame */ |
274 | static struct CoroSLF slf_frame; /* the current slf frame */ |
282 | |
275 | |
283 | /** Coro ********************************************************************/ |
276 | /** Coro ********************************************************************/ |
284 | |
277 | |
285 | #define CORO_PRIO_MAX 3 |
278 | #define CORO_PRIO_MAX 3 |
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291 | |
284 | |
292 | /* for Coro.pm */ |
285 | /* for Coro.pm */ |
293 | static SV *coro_current; |
286 | static SV *coro_current; |
294 | static SV *coro_readyhook; |
287 | static SV *coro_readyhook; |
295 | 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 */ |
296 | static CV *cv_coro_run, *cv_coro_terminate; |
289 | static CV *cv_coro_run; |
297 | static struct coro *coro_first; |
290 | static struct coro *coro_first; |
298 | #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 | /* APPLE doesn't have HAVE_MMAP though */ |
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297 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
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298 | #ifndef CORO_JIT_TYPE |
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299 | #if __x86_64 && CORO_JIT_UNIXY |
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300 | #define CORO_JIT_TYPE "amd64-unix" |
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301 | #elif __i386 && CORO_JIT_UNIXY |
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302 | #define CORO_JIT_TYPE "x86-unix" |
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303 | #endif |
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304 | #endif |
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305 | #endif |
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306 | |
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307 | #if !defined(CORO_JIT_TYPE) || !HAVE_MMAP |
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308 | #undef CORO_JIT |
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309 | #endif |
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310 | |
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311 | #if CORO_JIT |
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312 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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313 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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314 | #endif |
299 | |
315 | |
300 | /** Coro::Select ************************************************************/ |
316 | /** Coro::Select ************************************************************/ |
301 | |
317 | |
302 | static OP *(*coro_old_pp_sselect) (pTHX); |
318 | static OP *(*coro_old_pp_sselect) (pTHX); |
303 | static SV *coro_select_select; |
319 | static SV *coro_select_select; |
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319 | |
335 | |
320 | /** time stuff **************************************************************/ |
336 | /** time stuff **************************************************************/ |
321 | |
337 | |
322 | #ifdef HAS_GETTIMEOFDAY |
338 | #ifdef HAS_GETTIMEOFDAY |
323 | |
339 | |
324 | static void |
340 | ECB_INLINE void |
325 | coro_u2time (pTHX_ UV ret[2]) |
341 | coro_u2time (pTHX_ UV ret[2]) |
326 | { |
342 | { |
327 | struct timeval tv; |
343 | struct timeval tv; |
328 | gettimeofday (&tv, 0); |
344 | gettimeofday (&tv, 0); |
329 | |
345 | |
330 | ret [0] = tv.tv_sec; |
346 | ret [0] = tv.tv_sec; |
331 | ret [1] = tv.tv_usec; |
347 | ret [1] = tv.tv_usec; |
332 | } |
348 | } |
333 | |
349 | |
334 | static double |
350 | ECB_INLINE double |
335 | coro_nvtime () |
351 | coro_nvtime (void) |
336 | { |
352 | { |
337 | struct timeval tv; |
353 | struct timeval tv; |
338 | gettimeofday (&tv, 0); |
354 | gettimeofday (&tv, 0); |
339 | |
355 | |
340 | return tv.tv_sec + tv.tv_usec * 1e-6; |
356 | return tv.tv_sec + tv.tv_usec * 1e-6; |
341 | } |
357 | } |
342 | |
358 | |
343 | static void |
359 | ECB_INLINE void |
344 | time_init (pTHX) |
360 | time_init (pTHX) |
345 | { |
361 | { |
346 | nvtime = coro_nvtime; |
362 | nvtime = coro_nvtime; |
347 | u2time = coro_u2time; |
363 | u2time = coro_u2time; |
348 | } |
364 | } |
349 | |
365 | |
350 | #else |
366 | #else |
351 | |
367 | |
352 | static void |
368 | ECB_INLINE void |
353 | time_init (pTHX) |
369 | time_init (pTHX) |
354 | { |
370 | { |
355 | SV **svp; |
371 | SV **svp; |
356 | |
372 | |
357 | require_pv ("Time/HiRes.pm"); |
373 | require_pv ("Time/HiRes.pm"); |
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369 | |
385 | |
370 | #endif |
386 | #endif |
371 | |
387 | |
372 | /** lowlevel stuff **********************************************************/ |
388 | /** lowlevel stuff **********************************************************/ |
373 | |
389 | |
374 | static SV * |
390 | static SV * ecb_noinline |
375 | coro_get_sv (pTHX_ const char *name, int create) |
391 | coro_get_sv (pTHX_ const char *name, int create) |
376 | { |
392 | { |
377 | #if PERL_VERSION_ATLEAST (5,10,0) |
393 | #if PERL_VERSION_ATLEAST (5,10,0) |
378 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
394 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
379 | get_sv (name, create); |
395 | get_sv (name, create); |
380 | #endif |
396 | #endif |
381 | return get_sv (name, create); |
397 | return get_sv (name, create); |
382 | } |
398 | } |
383 | |
399 | |
384 | static AV * |
400 | static AV * ecb_noinline |
385 | coro_get_av (pTHX_ const char *name, int create) |
401 | coro_get_av (pTHX_ const char *name, int create) |
386 | { |
402 | { |
387 | #if PERL_VERSION_ATLEAST (5,10,0) |
403 | #if PERL_VERSION_ATLEAST (5,10,0) |
388 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
404 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
389 | get_av (name, create); |
405 | get_av (name, create); |
390 | #endif |
406 | #endif |
391 | return get_av (name, create); |
407 | return get_av (name, create); |
392 | } |
408 | } |
393 | |
409 | |
394 | static HV * |
410 | static HV * ecb_noinline |
395 | coro_get_hv (pTHX_ const char *name, int create) |
411 | coro_get_hv (pTHX_ const char *name, int create) |
396 | { |
412 | { |
397 | #if PERL_VERSION_ATLEAST (5,10,0) |
413 | #if PERL_VERSION_ATLEAST (5,10,0) |
398 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
414 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
399 | get_hv (name, create); |
415 | get_hv (name, create); |
400 | #endif |
416 | #endif |
401 | return get_hv (name, create); |
417 | return get_hv (name, create); |
402 | } |
418 | } |
403 | |
419 | |
404 | INLINE void |
420 | ECB_INLINE void |
405 | coro_times_update () |
421 | coro_times_update (void) |
406 | { |
422 | { |
407 | #ifdef coro_clock_gettime |
423 | #ifdef coro_clock_gettime |
408 | struct timespec ts; |
424 | struct timespec ts; |
409 | |
425 | |
410 | ts.tv_sec = ts.tv_nsec = 0; |
426 | ts.tv_sec = ts.tv_nsec = 0; |
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422 | time_real [0] = tv [0]; |
438 | time_real [0] = tv [0]; |
423 | time_real [1] = tv [1] * 1000; |
439 | time_real [1] = tv [1] * 1000; |
424 | #endif |
440 | #endif |
425 | } |
441 | } |
426 | |
442 | |
427 | INLINE void |
443 | ECB_INLINE void |
428 | coro_times_add (struct coro *c) |
444 | coro_times_add (struct coro *c) |
429 | { |
445 | { |
430 | c->t_real [1] += time_real [1]; |
446 | c->t_real [1] += time_real [1]; |
431 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
447 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
432 | c->t_real [0] += time_real [0]; |
448 | c->t_real [0] += time_real [0]; |
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… | |
434 | c->t_cpu [1] += time_cpu [1]; |
450 | c->t_cpu [1] += time_cpu [1]; |
435 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
451 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
436 | c->t_cpu [0] += time_cpu [0]; |
452 | c->t_cpu [0] += time_cpu [0]; |
437 | } |
453 | } |
438 | |
454 | |
439 | INLINE void |
455 | ECB_INLINE void |
440 | coro_times_sub (struct coro *c) |
456 | coro_times_sub (struct coro *c) |
441 | { |
457 | { |
442 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
458 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
443 | c->t_real [1] -= time_real [1]; |
459 | c->t_real [1] -= time_real [1]; |
444 | c->t_real [0] -= time_real [0]; |
460 | c->t_real [0] -= time_real [0]; |
… | |
… | |
452 | /* magic glue */ |
468 | /* magic glue */ |
453 | |
469 | |
454 | #define CORO_MAGIC_type_cv 26 |
470 | #define CORO_MAGIC_type_cv 26 |
455 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
471 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
456 | |
472 | |
457 | #define CORO_MAGIC_NN(sv, type) \ |
473 | #define CORO_MAGIC_NN(sv, type) \ |
458 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
474 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
459 | ? SvMAGIC (sv) \ |
475 | ? SvMAGIC (sv) \ |
460 | : mg_find (sv, type)) |
476 | : mg_find (sv, type)) |
461 | |
477 | |
462 | #define CORO_MAGIC(sv, type) \ |
478 | #define CORO_MAGIC(sv, type) \ |
463 | (expect_true (SvMAGIC (sv)) \ |
479 | (ecb_expect_true (SvMAGIC (sv)) \ |
464 | ? CORO_MAGIC_NN (sv, type) \ |
480 | ? CORO_MAGIC_NN (sv, type) \ |
465 | : 0) |
481 | : 0) |
466 | |
482 | |
467 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
483 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
468 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
484 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
469 | |
485 | |
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486 | ECB_INLINE MAGIC * |
|
|
487 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
488 | { |
|
|
489 | MAGIC *mg; |
|
|
490 | |
|
|
491 | if (ecb_expect_true ( |
|
|
492 | SvTYPE (coro) == SVt_PVHV |
|
|
493 | && (mg = CORO_MAGIC_state (coro)) |
|
|
494 | && mg->mg_virtual == &coro_state_vtbl |
|
|
495 | )) |
|
|
496 | return mg; |
|
|
497 | |
|
|
498 | return 0; |
|
|
499 | } |
|
|
500 | |
470 | INLINE struct coro * |
501 | ECB_INLINE struct coro * |
471 | SvSTATE_ (pTHX_ SV *coro) |
502 | SvSTATE_ (pTHX_ SV *coro) |
472 | { |
503 | { |
473 | HV *stash; |
|
|
474 | MAGIC *mg; |
504 | MAGIC *mg; |
475 | |
505 | |
476 | if (SvROK (coro)) |
506 | if (SvROK (coro)) |
477 | coro = SvRV (coro); |
507 | coro = SvRV (coro); |
478 | |
508 | |
479 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
509 | mg = SvSTATEhv_p (aTHX_ coro); |
|
|
510 | if (!mg) |
480 | croak ("Coro::State object required"); |
511 | croak ("Coro::State object required"); |
481 | |
512 | |
482 | stash = SvSTASH (coro); |
|
|
483 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
484 | { |
|
|
485 | /* very slow, but rare, check */ |
|
|
486 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
487 | croak ("Coro::State object required"); |
|
|
488 | } |
|
|
489 | |
|
|
490 | mg = CORO_MAGIC_state (coro); |
|
|
491 | return (struct coro *)mg->mg_ptr; |
513 | return (struct coro *)mg->mg_ptr; |
492 | } |
514 | } |
493 | |
515 | |
494 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
516 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
495 | |
517 | |
… | |
… | |
498 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
520 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
499 | |
521 | |
500 | /*****************************************************************************/ |
522 | /*****************************************************************************/ |
501 | /* padlist management and caching */ |
523 | /* padlist management and caching */ |
502 | |
524 | |
503 | static AV * |
525 | ECB_INLINE AV * |
504 | coro_derive_padlist (pTHX_ CV *cv) |
526 | coro_derive_padlist (pTHX_ CV *cv) |
505 | { |
527 | { |
506 | AV *padlist = CvPADLIST (cv); |
528 | AV *padlist = CvPADLIST (cv); |
507 | AV *newpadlist, *newpad; |
529 | AV *newpadlist, *newpad; |
508 | |
530 | |
… | |
… | |
520 | av_store (newpadlist, 1, (SV *)newpad); |
542 | av_store (newpadlist, 1, (SV *)newpad); |
521 | |
543 | |
522 | return newpadlist; |
544 | return newpadlist; |
523 | } |
545 | } |
524 | |
546 | |
525 | static void |
547 | ECB_INLINE void |
526 | free_padlist (pTHX_ AV *padlist) |
548 | free_padlist (pTHX_ AV *padlist) |
527 | { |
549 | { |
528 | /* may be during global destruction */ |
550 | /* may be during global destruction */ |
529 | if (!IN_DESTRUCT) |
551 | if (!IN_DESTRUCT) |
530 | { |
552 | { |
… | |
… | |
573 | 0, 0, 0, 0, |
595 | 0, 0, 0, 0, |
574 | coro_cv_free |
596 | coro_cv_free |
575 | }; |
597 | }; |
576 | |
598 | |
577 | /* the next two functions merely cache the padlists */ |
599 | /* the next two functions merely cache the padlists */ |
578 | static void |
600 | ECB_INLINE void |
579 | get_padlist (pTHX_ CV *cv) |
601 | get_padlist (pTHX_ CV *cv) |
580 | { |
602 | { |
581 | MAGIC *mg = CORO_MAGIC_cv (cv); |
603 | MAGIC *mg = CORO_MAGIC_cv (cv); |
582 | AV *av; |
604 | AV *av; |
583 | |
605 | |
584 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
606 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
585 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
607 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
586 | else |
608 | else |
587 | { |
609 | { |
588 | #if CORO_PREFER_PERL_FUNCTIONS |
610 | #if CORO_PREFER_PERL_FUNCTIONS |
589 | /* this is probably cleaner? but also slower! */ |
611 | /* this is probably cleaner? but also slower! */ |
… | |
… | |
596 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
618 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
597 | #endif |
619 | #endif |
598 | } |
620 | } |
599 | } |
621 | } |
600 | |
622 | |
601 | static void |
623 | ECB_INLINE void |
602 | put_padlist (pTHX_ CV *cv) |
624 | put_padlist (pTHX_ CV *cv) |
603 | { |
625 | { |
604 | MAGIC *mg = CORO_MAGIC_cv (cv); |
626 | MAGIC *mg = CORO_MAGIC_cv (cv); |
605 | AV *av; |
627 | AV *av; |
606 | |
628 | |
607 | if (expect_false (!mg)) |
629 | if (ecb_expect_false (!mg)) |
608 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
630 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
609 | |
631 | |
610 | av = (AV *)mg->mg_obj; |
632 | av = (AV *)mg->mg_obj; |
611 | |
633 | |
612 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
634 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
613 | av_extend (av, AvFILLp (av) + 1); |
635 | av_extend (av, AvFILLp (av) + 1); |
614 | |
636 | |
615 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
637 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
616 | } |
638 | } |
617 | |
639 | |
… | |
… | |
662 | } |
684 | } |
663 | #endif |
685 | #endif |
664 | } |
686 | } |
665 | } |
687 | } |
666 | |
688 | |
667 | #define SWAP_SVS(coro) \ |
689 | #define SWAP_SVS(coro) \ |
668 | if (expect_false ((coro)->swap_sv)) \ |
690 | if (ecb_expect_false ((coro)->swap_sv)) \ |
669 | swap_svs (aTHX_ (coro)) |
691 | swap_svs (aTHX_ (coro)) |
670 | |
692 | |
671 | static void |
693 | static void |
672 | on_enterleave_call (pTHX_ SV *cb); |
694 | on_enterleave_call (pTHX_ SV *cb); |
673 | |
695 | |
… | |
… | |
677 | perl_slots *slot = c->slot; |
699 | perl_slots *slot = c->slot; |
678 | c->slot = 0; |
700 | c->slot = 0; |
679 | |
701 | |
680 | PL_mainstack = c->mainstack; |
702 | PL_mainstack = c->mainstack; |
681 | |
703 | |
682 | GvSV (PL_defgv) = slot->defsv; |
704 | #if CORO_JIT |
683 | GvAV (PL_defgv) = slot->defav; |
705 | load_perl_slots (slot); |
684 | GvSV (PL_errgv) = slot->errsv; |
706 | #else |
685 | GvSV (irsgv) = slot->irsgv; |
|
|
686 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
687 | |
|
|
688 | #define VAR(name,type) PL_ ## name = slot->name; |
707 | #define VARx(name,expr,type) expr = slot->name; |
689 | # include "state.h" |
708 | # include "state.h" |
690 | #undef VAR |
709 | #undef VARx |
|
|
710 | #endif |
691 | |
711 | |
692 | { |
712 | { |
693 | dSP; |
713 | dSP; |
694 | |
714 | |
695 | CV *cv; |
715 | CV *cv; |
696 | |
716 | |
697 | /* now do the ugly restore mess */ |
717 | /* now do the ugly restore mess */ |
698 | while (expect_true (cv = (CV *)POPs)) |
718 | while (ecb_expect_true (cv = (CV *)POPs)) |
699 | { |
719 | { |
700 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
720 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
701 | CvDEPTH (cv) = PTR2IV (POPs); |
721 | CvDEPTH (cv) = PTR2IV (POPs); |
702 | CvPADLIST (cv) = (AV *)POPs; |
722 | CvPADLIST (cv) = (AV *)POPs; |
703 | } |
723 | } |
… | |
… | |
706 | } |
726 | } |
707 | |
727 | |
708 | slf_frame = c->slf_frame; |
728 | slf_frame = c->slf_frame; |
709 | CORO_THROW = c->except; |
729 | CORO_THROW = c->except; |
710 | |
730 | |
711 | if (expect_false (enable_times)) |
731 | if (ecb_expect_false (enable_times)) |
712 | { |
732 | { |
713 | if (expect_false (!times_valid)) |
733 | if (ecb_expect_false (!times_valid)) |
714 | coro_times_update (); |
734 | coro_times_update (); |
715 | |
735 | |
716 | coro_times_sub (c); |
736 | coro_times_sub (c); |
717 | } |
737 | } |
718 | |
738 | |
719 | if (expect_false (c->on_enter)) |
739 | if (ecb_expect_false (c->on_enter)) |
720 | { |
740 | { |
721 | int i; |
741 | int i; |
722 | |
742 | |
723 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
743 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
724 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
744 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
… | |
… | |
730 | static void |
750 | static void |
731 | save_perl (pTHX_ Coro__State c) |
751 | save_perl (pTHX_ Coro__State c) |
732 | { |
752 | { |
733 | SWAP_SVS (c); |
753 | SWAP_SVS (c); |
734 | |
754 | |
735 | if (expect_false (c->on_leave)) |
755 | if (ecb_expect_false (c->on_leave)) |
736 | { |
756 | { |
737 | int i; |
757 | int i; |
738 | |
758 | |
739 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
759 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
740 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
760 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
741 | } |
761 | } |
742 | |
762 | |
743 | times_valid = 0; |
763 | times_valid = 0; |
744 | |
764 | |
745 | if (expect_false (enable_times)) |
765 | if (ecb_expect_false (enable_times)) |
746 | { |
766 | { |
747 | coro_times_update (); times_valid = 1; |
767 | coro_times_update (); times_valid = 1; |
748 | coro_times_add (c); |
768 | coro_times_add (c); |
749 | } |
769 | } |
750 | |
770 | |
… | |
… | |
764 | |
784 | |
765 | XPUSHs (Nullsv); |
785 | XPUSHs (Nullsv); |
766 | /* this loop was inspired by pp_caller */ |
786 | /* this loop was inspired by pp_caller */ |
767 | for (;;) |
787 | for (;;) |
768 | { |
788 | { |
769 | while (expect_true (cxix >= 0)) |
789 | while (ecb_expect_true (cxix >= 0)) |
770 | { |
790 | { |
771 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
791 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
772 | |
792 | |
773 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
793 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
774 | { |
794 | { |
775 | CV *cv = cx->blk_sub.cv; |
795 | CV *cv = cx->blk_sub.cv; |
776 | |
796 | |
777 | if (expect_true (CvDEPTH (cv))) |
797 | if (ecb_expect_true (CvDEPTH (cv))) |
778 | { |
798 | { |
779 | EXTEND (SP, 3); |
799 | EXTEND (SP, 3); |
780 | PUSHs ((SV *)CvPADLIST (cv)); |
800 | PUSHs ((SV *)CvPADLIST (cv)); |
781 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
801 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
782 | PUSHs ((SV *)cv); |
802 | PUSHs ((SV *)cv); |
… | |
… | |
785 | get_padlist (aTHX_ cv); |
805 | get_padlist (aTHX_ cv); |
786 | } |
806 | } |
787 | } |
807 | } |
788 | } |
808 | } |
789 | |
809 | |
790 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
810 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
791 | break; |
811 | break; |
792 | |
812 | |
793 | top_si = top_si->si_prev; |
813 | top_si = top_si->si_prev; |
794 | ccstk = top_si->si_cxstack; |
814 | ccstk = top_si->si_cxstack; |
795 | cxix = top_si->si_cxix; |
815 | cxix = top_si->si_cxix; |
… | |
… | |
797 | |
817 | |
798 | PUTBACK; |
818 | PUTBACK; |
799 | } |
819 | } |
800 | |
820 | |
801 | /* allocate some space on the context stack for our purposes */ |
821 | /* allocate some space on the context stack for our purposes */ |
802 | /* we manually unroll here, as usually 2 slots is enough */ |
822 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
803 | if (SLOT_COUNT >= 1) CXINC; |
|
|
804 | if (SLOT_COUNT >= 2) CXINC; |
|
|
805 | if (SLOT_COUNT >= 3) CXINC; |
|
|
806 | { |
823 | { |
807 | unsigned int i; |
824 | unsigned int i; |
|
|
825 | |
808 | for (i = 3; i < SLOT_COUNT; ++i) |
826 | for (i = 0; i < SLOT_COUNT; ++i) |
809 | CXINC; |
827 | CXINC; |
810 | } |
828 | |
811 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
829 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
830 | } |
812 | |
831 | |
813 | c->mainstack = PL_mainstack; |
832 | c->mainstack = PL_mainstack; |
814 | |
833 | |
815 | { |
834 | { |
816 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
835 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
817 | |
836 | |
818 | slot->defav = GvAV (PL_defgv); |
837 | #if CORO_JIT |
819 | slot->defsv = DEFSV; |
838 | save_perl_slots (slot); |
820 | slot->errsv = ERRSV; |
839 | #else |
821 | slot->irsgv = GvSV (irsgv); |
|
|
822 | slot->hinthv = GvHV (PL_hintgv); |
|
|
823 | |
|
|
824 | #define VAR(name,type) slot->name = PL_ ## name; |
840 | #define VARx(name,expr,type) slot->name = expr; |
825 | # include "state.h" |
841 | # include "state.h" |
826 | #undef VAR |
842 | #undef VARx |
|
|
843 | #endif |
827 | } |
844 | } |
828 | } |
845 | } |
829 | |
846 | |
830 | /* |
847 | /* |
831 | * allocate various perl stacks. This is almost an exact copy |
848 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
837 | # define coro_init_stacks(thx) init_stacks () |
854 | # define coro_init_stacks(thx) init_stacks () |
838 | #else |
855 | #else |
839 | static void |
856 | static void |
840 | coro_init_stacks (pTHX) |
857 | coro_init_stacks (pTHX) |
841 | { |
858 | { |
842 | PL_curstackinfo = new_stackinfo(32, 8); |
859 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
843 | PL_curstackinfo->si_type = PERLSI_MAIN; |
860 | PL_curstackinfo->si_type = PERLSI_MAIN; |
844 | PL_curstack = PL_curstackinfo->si_stack; |
861 | PL_curstack = PL_curstackinfo->si_stack; |
845 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
862 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
846 | |
863 | |
847 | PL_stack_base = AvARRAY(PL_curstack); |
864 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
954 | #endif |
971 | #endif |
955 | |
972 | |
956 | /* |
973 | /* |
957 | * This overrides the default magic get method of %SIG elements. |
974 | * This overrides the default magic get method of %SIG elements. |
958 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
975 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
959 | * and instead of trying to save and restore the hash elements, we just provide |
976 | * and instead of trying to save and restore the hash elements (extremely slow), |
960 | * readback here. |
977 | * we just provide our own readback here. |
961 | */ |
978 | */ |
962 | static int |
979 | static int ecb_cold |
963 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
980 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
964 | { |
981 | { |
965 | const char *s = MgPV_nolen_const (mg); |
982 | const char *s = MgPV_nolen_const (mg); |
966 | |
983 | |
967 | if (*s == '_') |
984 | if (*s == '_') |
… | |
… | |
979 | } |
996 | } |
980 | |
997 | |
981 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
998 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
982 | } |
999 | } |
983 | |
1000 | |
984 | static int |
1001 | static int ecb_cold |
985 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1002 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
986 | { |
1003 | { |
987 | const char *s = MgPV_nolen_const (mg); |
1004 | const char *s = MgPV_nolen_const (mg); |
988 | |
1005 | |
989 | if (*s == '_') |
1006 | if (*s == '_') |
… | |
… | |
1003 | } |
1020 | } |
1004 | |
1021 | |
1005 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1022 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1006 | } |
1023 | } |
1007 | |
1024 | |
1008 | static int |
1025 | static int ecb_cold |
1009 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1026 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1010 | { |
1027 | { |
1011 | const char *s = MgPV_nolen_const (mg); |
1028 | const char *s = MgPV_nolen_const (mg); |
1012 | |
1029 | |
1013 | if (*s == '_') |
1030 | if (*s == '_') |
… | |
… | |
1048 | return 1; |
1065 | return 1; |
1049 | } |
1066 | } |
1050 | |
1067 | |
1051 | static UNOP init_perl_op; |
1068 | static UNOP init_perl_op; |
1052 | |
1069 | |
1053 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1070 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1054 | init_perl (pTHX_ struct coro *coro) |
1071 | init_perl (pTHX_ struct coro *coro) |
1055 | { |
1072 | { |
1056 | /* |
1073 | /* |
1057 | * emulate part of the perl startup here. |
1074 | * emulate part of the perl startup here. |
1058 | */ |
1075 | */ |
… | |
… | |
1073 | PL_parser = 0; |
1090 | PL_parser = 0; |
1074 | #endif |
1091 | #endif |
1075 | PL_hints = 0; |
1092 | PL_hints = 0; |
1076 | |
1093 | |
1077 | /* recreate the die/warn hooks */ |
1094 | /* recreate the die/warn hooks */ |
1078 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1095 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1079 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1096 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1080 | |
1097 | |
1081 | GvSV (PL_defgv) = newSV (0); |
1098 | GvSV (PL_defgv) = newSV (0); |
1082 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1099 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1083 | GvSV (PL_errgv) = newSV (0); |
1100 | GvSV (PL_errgv) = newSV (0); |
1084 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1101 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
… | |
… | |
1105 | /* this newly created coroutine might be run on an existing cctx which most |
1122 | /* this newly created coroutine might be run on an existing cctx which most |
1106 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1123 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1107 | */ |
1124 | */ |
1108 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1125 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1109 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1126 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1127 | slf_frame.destroy = 0; |
1110 | |
1128 | |
1111 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1129 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1112 | init_perl_op.op_next = PL_op; |
1130 | init_perl_op.op_next = PL_op; |
1113 | init_perl_op.op_type = OP_ENTERSUB; |
1131 | init_perl_op.op_type = OP_ENTERSUB; |
1114 | init_perl_op.op_ppaddr = pp_slf; |
1132 | init_perl_op.op_ppaddr = pp_slf; |
… | |
… | |
1119 | /* copy throw, in case it was set before init_perl */ |
1137 | /* copy throw, in case it was set before init_perl */ |
1120 | CORO_THROW = coro->except; |
1138 | CORO_THROW = coro->except; |
1121 | |
1139 | |
1122 | SWAP_SVS (coro); |
1140 | SWAP_SVS (coro); |
1123 | |
1141 | |
1124 | if (expect_false (enable_times)) |
1142 | if (ecb_expect_false (enable_times)) |
1125 | { |
1143 | { |
1126 | coro_times_update (); |
1144 | coro_times_update (); |
1127 | coro_times_sub (coro); |
1145 | coro_times_sub (coro); |
1128 | } |
1146 | } |
1129 | } |
1147 | } |
… | |
… | |
1153 | destroy_perl (pTHX_ struct coro *coro) |
1171 | destroy_perl (pTHX_ struct coro *coro) |
1154 | { |
1172 | { |
1155 | SV *svf [9]; |
1173 | SV *svf [9]; |
1156 | |
1174 | |
1157 | { |
1175 | { |
|
|
1176 | SV *old_current = SvRV (coro_current); |
1158 | struct coro *current = SvSTATE_current; |
1177 | struct coro *current = SvSTATE (old_current); |
1159 | |
1178 | |
1160 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1179 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1161 | |
1180 | |
1162 | save_perl (aTHX_ current); |
1181 | save_perl (aTHX_ current); |
|
|
1182 | |
|
|
1183 | /* this will cause transfer_check to croak on block*/ |
|
|
1184 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1185 | |
1163 | load_perl (aTHX_ coro); |
1186 | load_perl (aTHX_ coro); |
1164 | |
1187 | |
1165 | coro_unwind_stacks (aTHX); |
1188 | coro_unwind_stacks (aTHX); |
1166 | coro_destruct_stacks (aTHX); |
|
|
1167 | |
1189 | |
1168 | /* restore swapped sv's */ |
1190 | /* restore swapped sv's */ |
1169 | SWAP_SVS (coro); |
1191 | SWAP_SVS (coro); |
1170 | |
1192 | |
|
|
1193 | coro_destruct_stacks (aTHX); |
|
|
1194 | |
1171 | // now save some sv's to be free'd later |
1195 | /* now save some sv's to be free'd later */ |
1172 | svf [0] = GvSV (PL_defgv); |
1196 | svf [0] = GvSV (PL_defgv); |
1173 | svf [1] = (SV *)GvAV (PL_defgv); |
1197 | svf [1] = (SV *)GvAV (PL_defgv); |
1174 | svf [2] = GvSV (PL_errgv); |
1198 | svf [2] = GvSV (PL_errgv); |
1175 | svf [3] = (SV *)PL_defoutgv; |
1199 | svf [3] = (SV *)PL_defoutgv; |
1176 | svf [4] = PL_rs; |
1200 | svf [4] = PL_rs; |
… | |
… | |
1178 | svf [6] = (SV *)GvHV (PL_hintgv); |
1202 | svf [6] = (SV *)GvHV (PL_hintgv); |
1179 | svf [7] = PL_diehook; |
1203 | svf [7] = PL_diehook; |
1180 | svf [8] = PL_warnhook; |
1204 | svf [8] = PL_warnhook; |
1181 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1205 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1182 | |
1206 | |
|
|
1207 | SvRV_set (coro_current, old_current); |
|
|
1208 | |
1183 | load_perl (aTHX_ current); |
1209 | load_perl (aTHX_ current); |
1184 | } |
1210 | } |
1185 | |
1211 | |
1186 | { |
1212 | { |
1187 | unsigned int i; |
1213 | unsigned int i; |
… | |
… | |
1194 | SvREFCNT_dec (coro->invoke_cb); |
1220 | SvREFCNT_dec (coro->invoke_cb); |
1195 | SvREFCNT_dec (coro->invoke_av); |
1221 | SvREFCNT_dec (coro->invoke_av); |
1196 | } |
1222 | } |
1197 | } |
1223 | } |
1198 | |
1224 | |
1199 | INLINE void |
1225 | ECB_INLINE void |
1200 | free_coro_mortal (pTHX) |
1226 | free_coro_mortal (pTHX) |
1201 | { |
1227 | { |
1202 | if (expect_true (coro_mortal)) |
1228 | if (ecb_expect_true (coro_mortal)) |
1203 | { |
1229 | { |
1204 | SvREFCNT_dec (coro_mortal); |
1230 | SvREFCNT_dec ((SV *)coro_mortal); |
1205 | coro_mortal = 0; |
1231 | coro_mortal = 0; |
1206 | } |
1232 | } |
1207 | } |
1233 | } |
1208 | |
1234 | |
1209 | static int |
1235 | static int |
… | |
… | |
1342 | |
1368 | |
1343 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1369 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1344 | } |
1370 | } |
1345 | |
1371 | |
1346 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1372 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1347 | static void NOINLINE |
1373 | static void ecb_noinline |
1348 | cctx_prepare (pTHX) |
1374 | cctx_prepare (pTHX) |
1349 | { |
1375 | { |
1350 | PL_top_env = &PL_start_env; |
1376 | PL_top_env = &PL_start_env; |
1351 | |
1377 | |
1352 | if (cctx_current->flags & CC_TRACE) |
1378 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1363 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1389 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1364 | slf_frame.check = slf_check_set_stacklevel; |
1390 | slf_frame.check = slf_check_set_stacklevel; |
1365 | } |
1391 | } |
1366 | |
1392 | |
1367 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1393 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1368 | INLINE void |
1394 | ECB_INLINE void |
1369 | transfer_tail (pTHX) |
1395 | transfer_tail (pTHX) |
1370 | { |
1396 | { |
1371 | free_coro_mortal (aTHX); |
1397 | free_coro_mortal (aTHX); |
1372 | } |
1398 | } |
1373 | |
1399 | |
… | |
… | |
1417 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1443 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1418 | } |
1444 | } |
1419 | } |
1445 | } |
1420 | |
1446 | |
1421 | static coro_cctx * |
1447 | static coro_cctx * |
1422 | cctx_new () |
1448 | cctx_new (void) |
1423 | { |
1449 | { |
1424 | coro_cctx *cctx; |
1450 | coro_cctx *cctx; |
1425 | |
1451 | |
1426 | ++cctx_count; |
1452 | ++cctx_count; |
1427 | New (0, cctx, 1, coro_cctx); |
1453 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1433 | return cctx; |
1459 | return cctx; |
1434 | } |
1460 | } |
1435 | |
1461 | |
1436 | /* create a new cctx only suitable as source */ |
1462 | /* create a new cctx only suitable as source */ |
1437 | static coro_cctx * |
1463 | static coro_cctx * |
1438 | cctx_new_empty () |
1464 | cctx_new_empty (void) |
1439 | { |
1465 | { |
1440 | coro_cctx *cctx = cctx_new (); |
1466 | coro_cctx *cctx = cctx_new (); |
1441 | |
1467 | |
1442 | cctx->sptr = 0; |
1468 | cctx->sptr = 0; |
1443 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1469 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
… | |
… | |
1445 | return cctx; |
1471 | return cctx; |
1446 | } |
1472 | } |
1447 | |
1473 | |
1448 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1474 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1449 | static coro_cctx * |
1475 | static coro_cctx * |
1450 | cctx_new_run () |
1476 | cctx_new_run (void) |
1451 | { |
1477 | { |
1452 | coro_cctx *cctx = cctx_new (); |
1478 | coro_cctx *cctx = cctx_new (); |
1453 | void *stack_start; |
1479 | void *stack_start; |
1454 | size_t stack_size; |
1480 | size_t stack_size; |
1455 | |
1481 | |
1456 | #if HAVE_MMAP |
1482 | #if HAVE_MMAP |
1457 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1483 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1458 | /* mmap supposedly does allocate-on-write for us */ |
1484 | /* mmap supposedly does allocate-on-write for us */ |
1459 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1485 | cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, 0, 0); |
1460 | |
1486 | |
1461 | if (cctx->sptr != (void *)-1) |
1487 | if (cctx->sptr != (void *)-1) |
1462 | { |
1488 | { |
1463 | #if CORO_STACKGUARD |
1489 | #if CORO_STACKGUARD |
1464 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1490 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
… | |
… | |
1496 | cctx_destroy (coro_cctx *cctx) |
1522 | cctx_destroy (coro_cctx *cctx) |
1497 | { |
1523 | { |
1498 | if (!cctx) |
1524 | if (!cctx) |
1499 | return; |
1525 | return; |
1500 | |
1526 | |
1501 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1527 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1502 | |
1528 | |
1503 | --cctx_count; |
1529 | --cctx_count; |
1504 | coro_destroy (&cctx->cctx); |
1530 | coro_destroy (&cctx->cctx); |
1505 | |
1531 | |
1506 | /* coro_transfer creates new, empty cctx's */ |
1532 | /* coro_transfer creates new, empty cctx's */ |
… | |
… | |
1525 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1551 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1526 | |
1552 | |
1527 | static coro_cctx * |
1553 | static coro_cctx * |
1528 | cctx_get (pTHX) |
1554 | cctx_get (pTHX) |
1529 | { |
1555 | { |
1530 | while (expect_true (cctx_first)) |
1556 | while (ecb_expect_true (cctx_first)) |
1531 | { |
1557 | { |
1532 | coro_cctx *cctx = cctx_first; |
1558 | coro_cctx *cctx = cctx_first; |
1533 | cctx_first = cctx->next; |
1559 | cctx_first = cctx->next; |
1534 | --cctx_idle; |
1560 | --cctx_idle; |
1535 | |
1561 | |
1536 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1562 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1537 | return cctx; |
1563 | return cctx; |
1538 | |
1564 | |
1539 | cctx_destroy (cctx); |
1565 | cctx_destroy (cctx); |
1540 | } |
1566 | } |
1541 | |
1567 | |
… | |
… | |
1546 | cctx_put (coro_cctx *cctx) |
1572 | cctx_put (coro_cctx *cctx) |
1547 | { |
1573 | { |
1548 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1574 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1549 | |
1575 | |
1550 | /* free another cctx if overlimit */ |
1576 | /* free another cctx if overlimit */ |
1551 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1577 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1552 | { |
1578 | { |
1553 | coro_cctx *first = cctx_first; |
1579 | coro_cctx *first = cctx_first; |
1554 | cctx_first = first->next; |
1580 | cctx_first = first->next; |
1555 | --cctx_idle; |
1581 | --cctx_idle; |
1556 | |
1582 | |
… | |
… | |
1567 | static void |
1593 | static void |
1568 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1594 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1569 | { |
1595 | { |
1570 | /* TODO: throwing up here is considered harmful */ |
1596 | /* TODO: throwing up here is considered harmful */ |
1571 | |
1597 | |
1572 | if (expect_true (prev != next)) |
1598 | if (ecb_expect_true (prev != next)) |
1573 | { |
1599 | { |
1574 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1600 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1575 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1601 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1576 | |
1602 | |
1577 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1603 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1578 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1604 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1579 | |
1605 | |
1580 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1606 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1581 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1607 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1582 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1608 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1583 | #endif |
1609 | #endif |
1584 | } |
1610 | } |
1585 | } |
1611 | } |
1586 | |
1612 | |
1587 | /* always use the TRANSFER macro */ |
1613 | /* always use the TRANSFER macro */ |
1588 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1614 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1589 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1615 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1590 | { |
1616 | { |
1591 | dSTACKLEVEL; |
1617 | dSTACKLEVEL; |
1592 | |
1618 | |
1593 | /* sometimes transfer is only called to set idle_sp */ |
1619 | /* sometimes transfer is only called to set idle_sp */ |
1594 | if (expect_false (!prev)) |
1620 | if (ecb_expect_false (!prev)) |
1595 | { |
1621 | { |
1596 | cctx_current->idle_sp = STACKLEVEL; |
1622 | cctx_current->idle_sp = STACKLEVEL; |
1597 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1623 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1598 | } |
1624 | } |
1599 | else if (expect_true (prev != next)) |
1625 | else if (ecb_expect_true (prev != next)) |
1600 | { |
1626 | { |
1601 | coro_cctx *cctx_prev; |
1627 | coro_cctx *cctx_prev; |
1602 | |
1628 | |
1603 | if (expect_false (prev->flags & CF_NEW)) |
1629 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1604 | { |
1630 | { |
1605 | /* create a new empty/source context */ |
1631 | /* create a new empty/source context */ |
1606 | prev->flags &= ~CF_NEW; |
1632 | prev->flags &= ~CF_NEW; |
1607 | prev->flags |= CF_RUNNING; |
1633 | prev->flags |= CF_RUNNING; |
1608 | } |
1634 | } |
… | |
… | |
1611 | next->flags |= CF_RUNNING; |
1637 | next->flags |= CF_RUNNING; |
1612 | |
1638 | |
1613 | /* first get rid of the old state */ |
1639 | /* first get rid of the old state */ |
1614 | save_perl (aTHX_ prev); |
1640 | save_perl (aTHX_ prev); |
1615 | |
1641 | |
1616 | if (expect_false (next->flags & CF_NEW)) |
1642 | if (ecb_expect_false (next->flags & CF_NEW)) |
1617 | { |
1643 | { |
1618 | /* need to start coroutine */ |
1644 | /* need to start coroutine */ |
1619 | next->flags &= ~CF_NEW; |
1645 | next->flags &= ~CF_NEW; |
1620 | /* setup coroutine call */ |
1646 | /* setup coroutine call */ |
1621 | init_perl (aTHX_ next); |
1647 | init_perl (aTHX_ next); |
1622 | } |
1648 | } |
1623 | else |
1649 | else |
1624 | load_perl (aTHX_ next); |
1650 | load_perl (aTHX_ next); |
1625 | |
1651 | |
1626 | /* possibly untie and reuse the cctx */ |
1652 | /* possibly untie and reuse the cctx */ |
1627 | if (expect_true ( |
1653 | if (ecb_expect_true ( |
1628 | cctx_current->idle_sp == STACKLEVEL |
1654 | cctx_current->idle_sp == STACKLEVEL |
1629 | && !(cctx_current->flags & CC_TRACE) |
1655 | && !(cctx_current->flags & CC_TRACE) |
1630 | && !force_cctx |
1656 | && !force_cctx |
1631 | )) |
1657 | )) |
1632 | { |
1658 | { |
1633 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1659 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1634 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1660 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1635 | |
1661 | |
1636 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1662 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1637 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1663 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1638 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1664 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1639 | if (expect_true (!next->cctx)) |
1665 | if (ecb_expect_true (!next->cctx)) |
1640 | next->cctx = cctx_get (aTHX); |
1666 | next->cctx = cctx_get (aTHX); |
1641 | |
1667 | |
1642 | cctx_put (cctx_current); |
1668 | cctx_put (cctx_current); |
1643 | } |
1669 | } |
1644 | else |
1670 | else |
1645 | prev->cctx = cctx_current; |
1671 | prev->cctx = cctx_current; |
1646 | |
1672 | |
1647 | ++next->usecount; |
1673 | ++next->usecount; |
1648 | |
1674 | |
1649 | cctx_prev = cctx_current; |
1675 | cctx_prev = cctx_current; |
1650 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1676 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1651 | |
1677 | |
1652 | next->cctx = 0; |
1678 | next->cctx = 0; |
1653 | |
1679 | |
1654 | if (expect_false (cctx_prev != cctx_current)) |
1680 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1655 | { |
1681 | { |
1656 | cctx_prev->top_env = PL_top_env; |
1682 | cctx_prev->top_env = PL_top_env; |
1657 | PL_top_env = cctx_current->top_env; |
1683 | PL_top_env = cctx_current->top_env; |
1658 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1684 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1659 | } |
1685 | } |
… | |
… | |
1665 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1691 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1666 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1692 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1667 | |
1693 | |
1668 | /** high level stuff ********************************************************/ |
1694 | /** high level stuff ********************************************************/ |
1669 | |
1695 | |
|
|
1696 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1697 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1670 | static int |
1698 | static void |
|
|
1699 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1700 | |
|
|
1701 | static void |
1671 | coro_state_destroy (pTHX_ struct coro *coro) |
1702 | coro_state_destroy (pTHX_ struct coro *coro) |
1672 | { |
1703 | { |
1673 | if (coro->flags & CF_DESTROYED) |
1704 | if (coro->flags & CF_ZOMBIE) |
1674 | return 0; |
1705 | return; |
1675 | |
1706 | |
1676 | if (coro->on_destroy && !PL_dirty) |
|
|
1677 | coro->on_destroy (aTHX_ coro); |
1707 | slf_destroy (aTHX_ coro); |
1678 | |
1708 | |
1679 | coro->flags |= CF_DESTROYED; |
1709 | coro->flags |= CF_ZOMBIE; |
1680 | |
1710 | |
1681 | if (coro->flags & CF_READY) |
1711 | if (coro->flags & CF_READY) |
1682 | { |
1712 | { |
1683 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1713 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1684 | /* alternative: look through all ready queues and remove the coro */ |
1714 | /* alternative: look through all ready queues and remove the coro */ |
1685 | --coro_nready; |
1715 | --coro_nready; |
1686 | } |
1716 | } |
1687 | else |
1717 | else |
1688 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1718 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1719 | |
|
|
1720 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1721 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1722 | if (coro == coro_first) coro_first = coro->next; |
1689 | |
1723 | |
1690 | if (coro->mainstack |
1724 | if (coro->mainstack |
1691 | && coro->mainstack != main_mainstack |
1725 | && coro->mainstack != main_mainstack |
1692 | && coro->slot |
1726 | && coro->slot |
1693 | && !PL_dirty) |
1727 | && !PL_dirty) |
1694 | destroy_perl (aTHX_ coro); |
1728 | destroy_perl (aTHX_ coro); |
1695 | |
1729 | |
1696 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1697 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1698 | if (coro == coro_first) coro_first = coro->next; |
|
|
1699 | |
|
|
1700 | cctx_destroy (coro->cctx); |
1730 | cctx_destroy (coro->cctx); |
1701 | SvREFCNT_dec (coro->startcv); |
1731 | SvREFCNT_dec (coro->startcv); |
1702 | SvREFCNT_dec (coro->args); |
1732 | SvREFCNT_dec (coro->args); |
1703 | SvREFCNT_dec (coro->swap_sv); |
1733 | SvREFCNT_dec (coro->swap_sv); |
1704 | SvREFCNT_dec (CORO_THROW); |
1734 | SvREFCNT_dec (CORO_THROW); |
1705 | |
1735 | |
1706 | return 1; |
1736 | coro_call_on_destroy (aTHX_ coro); |
|
|
1737 | |
|
|
1738 | /* more destruction mayhem in coro_state_free */ |
1707 | } |
1739 | } |
1708 | |
1740 | |
1709 | static int |
1741 | static int |
1710 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1742 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1711 | { |
1743 | { |
1712 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1744 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1713 | mg->mg_ptr = 0; |
1745 | mg->mg_ptr = 0; |
1714 | |
1746 | |
1715 | coro->hv = 0; |
|
|
1716 | |
|
|
1717 | if (--coro->refcnt < 0) |
|
|
1718 | { |
|
|
1719 | coro_state_destroy (aTHX_ coro); |
1747 | coro_state_destroy (aTHX_ coro); |
|
|
1748 | SvREFCNT_dec (coro->on_destroy); |
|
|
1749 | SvREFCNT_dec (coro->status); |
|
|
1750 | |
1720 | Safefree (coro); |
1751 | Safefree (coro); |
1721 | } |
|
|
1722 | |
1752 | |
1723 | return 0; |
1753 | return 0; |
1724 | } |
1754 | } |
1725 | |
1755 | |
1726 | static int |
1756 | static int ecb_cold |
1727 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1757 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1728 | { |
1758 | { |
1729 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1759 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1730 | |
1760 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1731 | ++coro->refcnt; |
1761 | mg->mg_ptr = 0; |
|
|
1762 | mg->mg_virtual = 0; |
1732 | |
1763 | |
1733 | return 0; |
1764 | return 0; |
1734 | } |
1765 | } |
1735 | |
1766 | |
1736 | static MGVTBL coro_state_vtbl = { |
1767 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1761 | TRANSFER (ta, 1); |
1792 | TRANSFER (ta, 1); |
1762 | } |
1793 | } |
1763 | |
1794 | |
1764 | /** Coro ********************************************************************/ |
1795 | /** Coro ********************************************************************/ |
1765 | |
1796 | |
1766 | INLINE void |
1797 | ECB_INLINE void |
1767 | coro_enq (pTHX_ struct coro *coro) |
1798 | coro_enq (pTHX_ struct coro *coro) |
1768 | { |
1799 | { |
1769 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1800 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1770 | |
1801 | |
1771 | SvREFCNT_inc_NN (coro->hv); |
1802 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1773 | coro->next_ready = 0; |
1804 | coro->next_ready = 0; |
1774 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1805 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1775 | ready [1] = coro; |
1806 | ready [1] = coro; |
1776 | } |
1807 | } |
1777 | |
1808 | |
1778 | INLINE struct coro * |
1809 | ECB_INLINE struct coro * |
1779 | coro_deq (pTHX) |
1810 | coro_deq (pTHX) |
1780 | { |
1811 | { |
1781 | int prio; |
1812 | int prio; |
1782 | |
1813 | |
1783 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1814 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1836 | { |
1867 | { |
1837 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1868 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1838 | } |
1869 | } |
1839 | |
1870 | |
1840 | /* expects to own a reference to next->hv */ |
1871 | /* expects to own a reference to next->hv */ |
1841 | INLINE void |
1872 | ECB_INLINE void |
1842 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1873 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1843 | { |
1874 | { |
1844 | SV *prev_sv = SvRV (coro_current); |
1875 | SV *prev_sv = SvRV (coro_current); |
1845 | |
1876 | |
1846 | ta->prev = SvSTATE_hv (prev_sv); |
1877 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1859 | { |
1890 | { |
1860 | for (;;) |
1891 | for (;;) |
1861 | { |
1892 | { |
1862 | struct coro *next = coro_deq (aTHX); |
1893 | struct coro *next = coro_deq (aTHX); |
1863 | |
1894 | |
1864 | if (expect_true (next)) |
1895 | if (ecb_expect_true (next)) |
1865 | { |
1896 | { |
1866 | /* cannot transfer to destroyed coros, skip and look for next */ |
1897 | /* cannot transfer to destroyed coros, skip and look for next */ |
1867 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1898 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1868 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1899 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1869 | else |
1900 | else |
1870 | { |
1901 | { |
1871 | next->flags &= ~CF_READY; |
1902 | next->flags &= ~CF_READY; |
1872 | --coro_nready; |
1903 | --coro_nready; |
… | |
… | |
1905 | } |
1936 | } |
1906 | } |
1937 | } |
1907 | } |
1938 | } |
1908 | } |
1939 | } |
1909 | |
1940 | |
1910 | INLINE void |
1941 | ECB_INLINE void |
1911 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1942 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1912 | { |
1943 | { |
1913 | api_ready (aTHX_ coro_current); |
1944 | api_ready (aTHX_ coro_current); |
1914 | prepare_schedule (aTHX_ ta); |
1945 | prepare_schedule (aTHX_ ta); |
1915 | } |
1946 | } |
1916 | |
1947 | |
1917 | INLINE void |
1948 | ECB_INLINE void |
1918 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1949 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1919 | { |
1950 | { |
1920 | SV *prev = SvRV (coro_current); |
1951 | SV *prev = SvRV (coro_current); |
1921 | |
1952 | |
1922 | if (coro_nready) |
1953 | if (coro_nready) |
… | |
… | |
1952 | { |
1983 | { |
1953 | struct coro_transfer_args ta; |
1984 | struct coro_transfer_args ta; |
1954 | |
1985 | |
1955 | prepare_cede (aTHX_ &ta); |
1986 | prepare_cede (aTHX_ &ta); |
1956 | |
1987 | |
1957 | if (expect_true (ta.prev != ta.next)) |
1988 | if (ecb_expect_true (ta.prev != ta.next)) |
1958 | { |
1989 | { |
1959 | TRANSFER (ta, 1); |
1990 | TRANSFER (ta, 1); |
1960 | return 1; |
1991 | return 1; |
1961 | } |
1992 | } |
1962 | else |
1993 | else |
… | |
… | |
2005 | coro->slot->runops = RUNOPS_DEFAULT; |
2036 | coro->slot->runops = RUNOPS_DEFAULT; |
2006 | } |
2037 | } |
2007 | } |
2038 | } |
2008 | |
2039 | |
2009 | static void |
2040 | static void |
|
|
2041 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2042 | { |
|
|
2043 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2044 | { |
|
|
2045 | dSP; |
|
|
2046 | |
|
|
2047 | if (gimme_v == G_SCALAR) |
|
|
2048 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2049 | else |
|
|
2050 | { |
|
|
2051 | int i; |
|
|
2052 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2053 | |
|
|
2054 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2055 | PUSHs (AvARRAY (av)[i]); |
|
|
2056 | } |
|
|
2057 | |
|
|
2058 | PUTBACK; |
|
|
2059 | } |
|
|
2060 | } |
|
|
2061 | |
|
|
2062 | static void |
|
|
2063 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2064 | { |
|
|
2065 | if (!coro->on_destroy) |
|
|
2066 | coro->on_destroy = newAV (); |
|
|
2067 | |
|
|
2068 | av_push (coro->on_destroy, cb); |
|
|
2069 | } |
|
|
2070 | |
|
|
2071 | static void |
|
|
2072 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2073 | { |
|
|
2074 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2075 | } |
|
|
2076 | |
|
|
2077 | static int |
|
|
2078 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2079 | { |
|
|
2080 | struct coro *coro = (struct coro *)frame->data; |
|
|
2081 | |
|
|
2082 | if (!coro->status) |
|
|
2083 | return 1; |
|
|
2084 | |
|
|
2085 | frame->destroy = 0; |
|
|
2086 | |
|
|
2087 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2088 | |
|
|
2089 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2090 | |
|
|
2091 | return 0; |
|
|
2092 | } |
|
|
2093 | |
|
|
2094 | static void |
|
|
2095 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2096 | { |
|
|
2097 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2098 | |
|
|
2099 | if (items > 1) |
|
|
2100 | croak ("join called with too many arguments"); |
|
|
2101 | |
|
|
2102 | if (coro->status) |
|
|
2103 | frame->prepare = prepare_nop; |
|
|
2104 | else |
|
|
2105 | { |
|
|
2106 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2107 | frame->prepare = prepare_schedule; |
|
|
2108 | } |
|
|
2109 | |
|
|
2110 | frame->check = slf_check_join; |
|
|
2111 | frame->destroy = slf_destroy_join; |
|
|
2112 | frame->data = (void *)coro; |
|
|
2113 | SvREFCNT_inc (coro->hv); |
|
|
2114 | } |
|
|
2115 | |
|
|
2116 | static void |
2010 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2117 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2011 | { |
2118 | { |
2012 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2119 | AV *od = coro->on_destroy; |
2013 | |
2120 | |
2014 | if (on_destroyp) |
2121 | if (!od) |
2015 | { |
2122 | return; |
2016 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
2017 | AV *on_destroy = sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*on_destroyp))); |
|
|
2018 | AV *status = statusp ? sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*statusp))) : 0; |
|
|
2019 | |
2123 | |
2020 | while (AvFILLp (on_destroy) >= 0) |
2124 | while (AvFILLp (od) >= 0) |
|
|
2125 | { |
|
|
2126 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2127 | |
|
|
2128 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2129 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2130 | api_ready (aTHX_ cb); |
|
|
2131 | else |
2021 | { |
2132 | { |
2022 | dSP; /* don't disturb outer sp */ |
2133 | dSP; /* don't disturb outer sp */ |
2023 | SV *cb = av_pop (on_destroy); |
|
|
2024 | |
|
|
2025 | PUSHMARK (SP); |
2134 | PUSHMARK (SP); |
2026 | |
2135 | |
2027 | if (statusp) |
2136 | if (coro->status) |
2028 | { |
2137 | { |
2029 | int i; |
2138 | PUTBACK; |
2030 | EXTEND (SP, AvFILLp (status) + 1); |
2139 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
2031 | |
2140 | SPAGAIN; |
2032 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
2033 | PUSHs (AvARRAY (status)[i]); |
|
|
2034 | } |
2141 | } |
2035 | |
2142 | |
2036 | PUTBACK; |
2143 | PUTBACK; |
2037 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2144 | call_sv (cb, G_VOID | G_DISCARD); |
2038 | } |
2145 | } |
2039 | } |
2146 | } |
2040 | } |
2147 | } |
2041 | |
2148 | |
2042 | static void |
2149 | static void |
2043 | coro_set_status (HV *coro_hv, SV **arg, int items) |
2150 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2044 | { |
2151 | { |
2045 | AV *av = newAV (); |
2152 | AV *av; |
|
|
2153 | |
|
|
2154 | if (coro->status) |
|
|
2155 | { |
|
|
2156 | av = coro->status; |
|
|
2157 | av_clear (av); |
|
|
2158 | } |
|
|
2159 | else |
|
|
2160 | av = coro->status = newAV (); |
2046 | |
2161 | |
2047 | /* items are actually not so common, so optimise for this case */ |
2162 | /* items are actually not so common, so optimise for this case */ |
2048 | if (items) |
2163 | if (items) |
2049 | { |
2164 | { |
2050 | int i; |
2165 | int i; |
… | |
… | |
2052 | av_extend (av, items - 1); |
2167 | av_extend (av, items - 1); |
2053 | |
2168 | |
2054 | for (i = 0; i < items; ++i) |
2169 | for (i = 0; i < items; ++i) |
2055 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2170 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2056 | } |
2171 | } |
2057 | |
|
|
2058 | hv_store (coro_hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
2059 | } |
2172 | } |
2060 | |
2173 | |
2061 | static void |
2174 | static void |
2062 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
2175 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
2063 | { |
2176 | { |
… | |
… | |
2075 | static void |
2188 | static void |
2076 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2189 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2077 | { |
2190 | { |
2078 | HV *coro_hv = (HV *)SvRV (coro_current); |
2191 | HV *coro_hv = (HV *)SvRV (coro_current); |
2079 | |
2192 | |
2080 | coro_set_status (coro_hv, arg, items); |
2193 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
2081 | slf_init_terminate_cancel_common (frame, coro_hv); |
2194 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2082 | } |
2195 | } |
2083 | |
2196 | |
2084 | static void |
2197 | static void |
2085 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2198 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2086 | { |
2199 | { |
… | |
… | |
2091 | croak ("Coro::cancel called without coro object,"); |
2204 | croak ("Coro::cancel called without coro object,"); |
2092 | |
2205 | |
2093 | coro = SvSTATE (arg [0]); |
2206 | coro = SvSTATE (arg [0]); |
2094 | coro_hv = coro->hv; |
2207 | coro_hv = coro->hv; |
2095 | |
2208 | |
2096 | coro_set_status (coro_hv, arg + 1, items - 1); |
2209 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2097 | |
2210 | |
2098 | /* cancelling the current coro is allowed, and equals terminate */ |
2211 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2099 | if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2100 | slf_init_terminate_cancel_common (frame, coro_hv); |
|
|
2101 | else |
|
|
2102 | { |
2212 | { |
2103 | /* otherwise we cancel ourselves */ |
2213 | /* coro currently busy cancelling something, so just notify it */ |
2104 | coro_state_destroy (aTHX_ coro); |
2214 | coro->slf_frame.data = (void *)coro; |
2105 | coro_call_on_destroy (aTHX_ coro); |
|
|
2106 | |
2215 | |
2107 | frame->prepare = prepare_nop; |
2216 | frame->prepare = prepare_nop; |
2108 | frame->check = slf_check_nop; |
2217 | frame->check = slf_check_nop; |
2109 | } |
2218 | } |
|
|
2219 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2220 | { |
|
|
2221 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2222 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2223 | } |
|
|
2224 | else |
|
|
2225 | { |
|
|
2226 | struct coro *self = SvSTATE_current; |
|
|
2227 | |
|
|
2228 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2229 | * unfortunately, this requires some magic trickery, as |
|
|
2230 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2231 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2232 | * besides, I can't get the slow-but-safe version working... |
|
|
2233 | */ |
|
|
2234 | slf_frame.data = 0; |
|
|
2235 | self->flags |= CF_NOCANCEL; |
|
|
2236 | coro_state_destroy (aTHX_ coro); |
|
|
2237 | self->flags &= ~CF_NOCANCEL; |
|
|
2238 | |
|
|
2239 | if (slf_frame.data) |
|
|
2240 | { |
|
|
2241 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2242 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2243 | } |
|
|
2244 | else |
|
|
2245 | { |
|
|
2246 | frame->prepare = prepare_nop; |
|
|
2247 | frame->check = slf_check_nop; |
|
|
2248 | } |
|
|
2249 | } |
|
|
2250 | } |
|
|
2251 | |
|
|
2252 | static int |
|
|
2253 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2254 | { |
|
|
2255 | frame->prepare = 0; |
|
|
2256 | coro_unwind_stacks (aTHX); |
|
|
2257 | |
|
|
2258 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2259 | |
|
|
2260 | return 1; |
|
|
2261 | } |
|
|
2262 | |
|
|
2263 | static int |
|
|
2264 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2265 | { |
|
|
2266 | if (coro->cctx) |
|
|
2267 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2268 | |
|
|
2269 | if (coro->flags & CF_NEW) |
|
|
2270 | { |
|
|
2271 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2272 | coro_state_destroy (aTHX_ coro); |
|
|
2273 | } |
|
|
2274 | else |
|
|
2275 | { |
|
|
2276 | if (!coro->slf_frame.prepare) |
|
|
2277 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2278 | |
|
|
2279 | slf_destroy (aTHX_ coro); |
|
|
2280 | |
|
|
2281 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2282 | coro->slf_frame.prepare = prepare_nop; |
|
|
2283 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2284 | |
|
|
2285 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2286 | } |
|
|
2287 | |
|
|
2288 | return 1; |
2110 | } |
2289 | } |
2111 | |
2290 | |
2112 | /*****************************************************************************/ |
2291 | /*****************************************************************************/ |
2113 | /* async pool handler */ |
2292 | /* async pool handler */ |
2114 | |
2293 | |
… | |
… | |
2145 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2324 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2146 | { |
2325 | { |
2147 | HV *hv = (HV *)SvRV (coro_current); |
2326 | HV *hv = (HV *)SvRV (coro_current); |
2148 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2327 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2149 | |
2328 | |
2150 | if (expect_true (coro->saved_deffh)) |
2329 | if (ecb_expect_true (coro->saved_deffh)) |
2151 | { |
2330 | { |
2152 | /* subsequent iteration */ |
2331 | /* subsequent iteration */ |
2153 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2332 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2154 | coro->saved_deffh = 0; |
2333 | coro->saved_deffh = 0; |
2155 | |
2334 | |
2156 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2335 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2157 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2336 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2158 | { |
2337 | { |
2159 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2338 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
2160 | coro->invoke_av = newAV (); |
2339 | return; |
2161 | |
|
|
2162 | frame->prepare = prepare_nop; |
|
|
2163 | } |
2340 | } |
2164 | else |
2341 | else |
2165 | { |
2342 | { |
2166 | av_clear (GvAV (PL_defgv)); |
2343 | av_clear (GvAV (PL_defgv)); |
2167 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2344 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
2390 | static void |
2567 | static void |
2391 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2568 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2392 | { |
2569 | { |
2393 | frame->prepare = prepare_cede_notself; |
2570 | frame->prepare = prepare_cede_notself; |
2394 | frame->check = slf_check_nop; |
2571 | frame->check = slf_check_nop; |
|
|
2572 | } |
|
|
2573 | |
|
|
2574 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2575 | static void |
|
|
2576 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2577 | { |
|
|
2578 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2579 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2580 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2581 | |
|
|
2582 | /* |
|
|
2583 | * The on_destroy above most likely is from an SLF call. |
|
|
2584 | * Since by definition the SLF call will not finish when we destroy |
|
|
2585 | * the coro, we will have to force-finish it here, otherwise |
|
|
2586 | * cleanup functions cannot call SLF functions. |
|
|
2587 | */ |
|
|
2588 | coro->slf_frame.prepare = 0; |
2395 | } |
2589 | } |
2396 | |
2590 | |
2397 | /* |
2591 | /* |
2398 | * these not obviously related functions are all rolled into one |
2592 | * these not obviously related functions are all rolled into one |
2399 | * function to increase chances that they all will call transfer with the same |
2593 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2406 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2600 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2407 | |
2601 | |
2408 | /* set up the slf frame, unless it has already been set-up */ |
2602 | /* set up the slf frame, unless it has already been set-up */ |
2409 | /* the latter happens when a new coro has been started */ |
2603 | /* the latter happens when a new coro has been started */ |
2410 | /* or when a new cctx was attached to an existing coroutine */ |
2604 | /* or when a new cctx was attached to an existing coroutine */ |
2411 | if (expect_true (!slf_frame.prepare)) |
2605 | if (ecb_expect_true (!slf_frame.prepare)) |
2412 | { |
2606 | { |
2413 | /* first iteration */ |
2607 | /* first iteration */ |
2414 | dSP; |
2608 | dSP; |
2415 | SV **arg = PL_stack_base + TOPMARK + 1; |
2609 | SV **arg = PL_stack_base + TOPMARK + 1; |
2416 | int items = SP - arg; /* args without function object */ |
2610 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2457 | while (slf_frame.check (aTHX_ &slf_frame)); |
2651 | while (slf_frame.check (aTHX_ &slf_frame)); |
2458 | |
2652 | |
2459 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2653 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2460 | |
2654 | |
2461 | /* exception handling */ |
2655 | /* exception handling */ |
2462 | if (expect_false (CORO_THROW)) |
2656 | if (ecb_expect_false (CORO_THROW)) |
2463 | { |
2657 | { |
2464 | SV *exception = sv_2mortal (CORO_THROW); |
2658 | SV *exception = sv_2mortal (CORO_THROW); |
2465 | |
2659 | |
2466 | CORO_THROW = 0; |
2660 | CORO_THROW = 0; |
2467 | sv_setsv (ERRSV, exception); |
2661 | sv_setsv (ERRSV, exception); |
2468 | croak (0); |
2662 | croak (0); |
2469 | } |
2663 | } |
2470 | |
2664 | |
2471 | /* return value handling - mostly like entersub */ |
2665 | /* return value handling - mostly like entersub */ |
2472 | /* make sure we put something on the stack in scalar context */ |
2666 | /* make sure we put something on the stack in scalar context */ |
2473 | if (GIMME_V == G_SCALAR) |
2667 | if (GIMME_V == G_SCALAR |
|
|
2668 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2474 | { |
2669 | { |
2475 | dSP; |
2670 | dSP; |
2476 | SV **bot = PL_stack_base + checkmark; |
2671 | SV **bot = PL_stack_base + checkmark; |
2477 | |
2672 | |
2478 | if (sp == bot) /* too few, push undef */ |
2673 | if (sp == bot) /* too few, push undef */ |
2479 | bot [1] = &PL_sv_undef; |
2674 | bot [1] = &PL_sv_undef; |
2480 | else if (sp != bot + 1) /* too many, take last one */ |
2675 | else /* too many, take last one */ |
2481 | bot [1] = *sp; |
2676 | bot [1] = *sp; |
2482 | |
2677 | |
2483 | SP = bot + 1; |
2678 | SP = bot + 1; |
2484 | |
2679 | |
2485 | PUTBACK; |
2680 | PUTBACK; |
… | |
… | |
2592 | { |
2787 | { |
2593 | PerlIOBuf base; |
2788 | PerlIOBuf base; |
2594 | NV next, every; |
2789 | NV next, every; |
2595 | } PerlIOCede; |
2790 | } PerlIOCede; |
2596 | |
2791 | |
2597 | static IV |
2792 | static IV ecb_cold |
2598 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2793 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2599 | { |
2794 | { |
2600 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2795 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2601 | |
2796 | |
2602 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2797 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2603 | self->next = nvtime () + self->every; |
2798 | self->next = nvtime () + self->every; |
2604 | |
2799 | |
2605 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2800 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2606 | } |
2801 | } |
2607 | |
2802 | |
2608 | static SV * |
2803 | static SV * ecb_cold |
2609 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2804 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2610 | { |
2805 | { |
2611 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2806 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2612 | |
2807 | |
2613 | return newSVnv (self->every); |
2808 | return newSVnv (self->every); |
… | |
… | |
2725 | SvREFCNT_dec (cb); |
2920 | SvREFCNT_dec (cb); |
2726 | } |
2921 | } |
2727 | } |
2922 | } |
2728 | |
2923 | |
2729 | static void |
2924 | static void |
2730 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2925 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2731 | { |
2926 | { |
2732 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2927 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2733 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2928 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2734 | } |
2929 | } |
2735 | |
2930 | |
2736 | static int |
2931 | static int |
2737 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2932 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2738 | { |
2933 | { |
2739 | AV *av = (AV *)frame->data; |
2934 | AV *av = (AV *)frame->data; |
2740 | SV *count_sv = AvARRAY (av)[0]; |
2935 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2936 | SV *coro_hv = SvRV (coro_current); |
2741 | |
2937 | |
2742 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2938 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2743 | if (CORO_THROW) |
2939 | if (CORO_THROW) |
2744 | return 0; |
2940 | return 0; |
2745 | else if (SvIVX (count_sv) > 0) |
2941 | else if (SvIVX (count_sv) > 0) |
2746 | { |
2942 | { |
2747 | SvSTATE_current->on_destroy = 0; |
2943 | frame->destroy = 0; |
2748 | |
2944 | |
2749 | if (acquire) |
2945 | if (acquire) |
2750 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2946 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2751 | else |
2947 | else |
2752 | coro_semaphore_adjust (aTHX_ av, 0); |
2948 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2757 | { |
2953 | { |
2758 | int i; |
2954 | int i; |
2759 | /* if we were woken up but can't down, we look through the whole */ |
2955 | /* if we were woken up but can't down, we look through the whole */ |
2760 | /* waiters list and only add us if we aren't in there already */ |
2956 | /* waiters list and only add us if we aren't in there already */ |
2761 | /* this avoids some degenerate memory usage cases */ |
2957 | /* this avoids some degenerate memory usage cases */ |
2762 | |
2958 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2763 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2764 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2959 | if (AvARRAY (av)[i] == coro_hv) |
2765 | return 1; |
2960 | return 1; |
2766 | |
2961 | |
2767 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2962 | av_push (av, SvREFCNT_inc (coro_hv)); |
2768 | return 1; |
2963 | return 1; |
2769 | } |
2964 | } |
2770 | } |
2965 | } |
2771 | |
2966 | |
2772 | static int |
2967 | static int |
… | |
… | |
2795 | { |
2990 | { |
2796 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2991 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2797 | |
2992 | |
2798 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2993 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2799 | frame->prepare = prepare_schedule; |
2994 | frame->prepare = prepare_schedule; |
2800 | |
|
|
2801 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2995 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2802 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2996 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2803 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2997 | frame->destroy = coro_semaphore_destroy; |
2804 | } |
2998 | } |
2805 | } |
2999 | } |
2806 | |
3000 | |
2807 | static void |
3001 | static void |
2808 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3002 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
3026 | dSP; |
3220 | dSP; |
3027 | |
3221 | |
3028 | static SV *prio_cv; |
3222 | static SV *prio_cv; |
3029 | static SV *prio_sv; |
3223 | static SV *prio_sv; |
3030 | |
3224 | |
3031 | if (expect_false (!prio_cv)) |
3225 | if (ecb_expect_false (!prio_cv)) |
3032 | { |
3226 | { |
3033 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3227 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3034 | prio_sv = newSViv (0); |
3228 | prio_sv = newSViv (0); |
3035 | } |
3229 | } |
3036 | |
3230 | |
… | |
… | |
3142 | } |
3336 | } |
3143 | |
3337 | |
3144 | return coro_sv; |
3338 | return coro_sv; |
3145 | } |
3339 | } |
3146 | |
3340 | |
|
|
3341 | #ifndef __cplusplus |
|
|
3342 | ecb_cold XS(boot_Coro__State); |
|
|
3343 | #endif |
|
|
3344 | |
|
|
3345 | #if CORO_JIT |
|
|
3346 | |
|
|
3347 | static void ecb_noinline ecb_cold |
|
|
3348 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3349 | { |
|
|
3350 | dSP; |
|
|
3351 | AV *av = newAV (); |
|
|
3352 | |
|
|
3353 | av_store (av, 3, newSVuv (d)); |
|
|
3354 | av_store (av, 2, newSVuv (c)); |
|
|
3355 | av_store (av, 1, newSVuv (b)); |
|
|
3356 | av_store (av, 0, newSVuv (a)); |
|
|
3357 | |
|
|
3358 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3359 | |
|
|
3360 | PUTBACK; |
|
|
3361 | } |
|
|
3362 | |
|
|
3363 | static void ecb_noinline ecb_cold |
|
|
3364 | jit_init (pTHX) |
|
|
3365 | { |
|
|
3366 | dSP; |
|
|
3367 | SV *load, *save; |
|
|
3368 | char *map_base; |
|
|
3369 | char *load_ptr, *save_ptr; |
|
|
3370 | STRLEN load_len, save_len, map_len; |
|
|
3371 | int count; |
|
|
3372 | |
|
|
3373 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3374 | |
|
|
3375 | PUSHMARK (SP); |
|
|
3376 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3377 | # include "state.h" |
|
|
3378 | #undef VARx |
|
|
3379 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3380 | SPAGAIN; |
|
|
3381 | |
|
|
3382 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3383 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3384 | |
|
|
3385 | map_len = load_len + save_len + 16; |
|
|
3386 | |
|
|
3387 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3388 | |
|
|
3389 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3390 | |
|
|
3391 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3392 | memcpy (map_base, load_ptr, load_len); |
|
|
3393 | |
|
|
3394 | map_base += (load_len + 15) & ~15; |
|
|
3395 | |
|
|
3396 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3397 | memcpy (map_base, save_ptr, save_len); |
|
|
3398 | |
|
|
3399 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3400 | /* hackers might have it a bit more difficult */ |
|
|
3401 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3402 | |
|
|
3403 | PUTBACK; |
|
|
3404 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3405 | } |
|
|
3406 | |
|
|
3407 | #endif |
|
|
3408 | |
3147 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3409 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3148 | |
3410 | |
3149 | PROTOTYPES: DISABLE |
3411 | PROTOTYPES: DISABLE |
3150 | |
3412 | |
3151 | BOOT: |
3413 | BOOT: |
… | |
… | |
3155 | coro_thx = PERL_GET_CONTEXT; |
3417 | coro_thx = PERL_GET_CONTEXT; |
3156 | # endif |
3418 | # endif |
3157 | #endif |
3419 | #endif |
3158 | BOOT_PAGESIZE; |
3420 | BOOT_PAGESIZE; |
3159 | |
3421 | |
|
|
3422 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3423 | /* just create them one at init time is not clear to me, except for */ |
|
|
3424 | /* programs trying to delete them, but... */ |
|
|
3425 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3426 | DEFSV; |
|
|
3427 | ERRSV; |
|
|
3428 | |
3160 | cctx_current = cctx_new_empty (); |
3429 | cctx_current = cctx_new_empty (); |
3161 | |
3430 | |
3162 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3431 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3163 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3432 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3164 | |
3433 | |
… | |
… | |
3206 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3475 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3207 | |
3476 | |
3208 | time_init (aTHX); |
3477 | time_init (aTHX); |
3209 | |
3478 | |
3210 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3479 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3480 | #if CORO_JIT |
|
|
3481 | PUTBACK; |
|
|
3482 | jit_init (aTHX); |
|
|
3483 | SPAGAIN; |
|
|
3484 | #endif |
3211 | } |
3485 | } |
3212 | |
3486 | |
3213 | SV * |
3487 | SV * |
3214 | new (SV *klass, ...) |
3488 | new (SV *klass, ...) |
3215 | ALIAS: |
3489 | ALIAS: |
… | |
… | |
3307 | CODE: |
3581 | CODE: |
3308 | { |
3582 | { |
3309 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3583 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3310 | { |
3584 | { |
3311 | struct coro *current = SvSTATE_current; |
3585 | struct coro *current = SvSTATE_current; |
|
|
3586 | struct CoroSLF slf_save; |
3312 | |
3587 | |
3313 | if (current != coro) |
3588 | if (current != coro) |
3314 | { |
3589 | { |
3315 | PUTBACK; |
3590 | PUTBACK; |
3316 | save_perl (aTHX_ current); |
3591 | save_perl (aTHX_ current); |
3317 | load_perl (aTHX_ coro); |
3592 | load_perl (aTHX_ coro); |
|
|
3593 | /* the coro is most likely in an active SLF call. |
|
|
3594 | * while not strictly required (the code we execute is |
|
|
3595 | * not allowed to call any SLF functions), it's cleaner |
|
|
3596 | * to reinitialise the slf_frame and restore it later. |
|
|
3597 | * This might one day allow us to actually do SLF calls |
|
|
3598 | * from code executed here. |
|
|
3599 | */ |
|
|
3600 | slf_save = slf_frame; |
|
|
3601 | slf_frame.prepare = 0; |
3318 | SPAGAIN; |
3602 | SPAGAIN; |
3319 | } |
3603 | } |
3320 | |
3604 | |
3321 | PUSHSTACK; |
3605 | PUSHSTACK; |
3322 | |
3606 | |
… | |
… | |
3332 | SPAGAIN; |
3616 | SPAGAIN; |
3333 | |
3617 | |
3334 | if (current != coro) |
3618 | if (current != coro) |
3335 | { |
3619 | { |
3336 | PUTBACK; |
3620 | PUTBACK; |
|
|
3621 | slf_frame = slf_save; |
3337 | save_perl (aTHX_ coro); |
3622 | save_perl (aTHX_ coro); |
3338 | load_perl (aTHX_ current); |
3623 | load_perl (aTHX_ current); |
3339 | SPAGAIN; |
3624 | SPAGAIN; |
3340 | } |
3625 | } |
3341 | } |
3626 | } |
… | |
… | |
3346 | PROTOTYPE: $ |
3631 | PROTOTYPE: $ |
3347 | ALIAS: |
3632 | ALIAS: |
3348 | is_ready = CF_READY |
3633 | is_ready = CF_READY |
3349 | is_running = CF_RUNNING |
3634 | is_running = CF_RUNNING |
3350 | is_new = CF_NEW |
3635 | is_new = CF_NEW |
3351 | is_destroyed = CF_DESTROYED |
3636 | is_destroyed = CF_ZOMBIE |
|
|
3637 | is_zombie = CF_ZOMBIE |
3352 | is_suspended = CF_SUSPENDED |
3638 | is_suspended = CF_SUSPENDED |
3353 | CODE: |
3639 | CODE: |
3354 | RETVAL = boolSV (coro->flags & ix); |
3640 | RETVAL = boolSV (coro->flags & ix); |
3355 | OUTPUT: |
3641 | OUTPUT: |
3356 | RETVAL |
3642 | RETVAL |
… | |
… | |
3451 | times (Coro::State self) |
3737 | times (Coro::State self) |
3452 | PPCODE: |
3738 | PPCODE: |
3453 | { |
3739 | { |
3454 | struct coro *current = SvSTATE (coro_current); |
3740 | struct coro *current = SvSTATE (coro_current); |
3455 | |
3741 | |
3456 | if (expect_false (current == self)) |
3742 | if (ecb_expect_false (current == self)) |
3457 | { |
3743 | { |
3458 | coro_times_update (); |
3744 | coro_times_update (); |
3459 | coro_times_add (SvSTATE (coro_current)); |
3745 | coro_times_add (SvSTATE (coro_current)); |
3460 | } |
3746 | } |
3461 | |
3747 | |
3462 | EXTEND (SP, 2); |
3748 | EXTEND (SP, 2); |
3463 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3749 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3464 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3750 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3465 | |
3751 | |
3466 | if (expect_false (current == self)) |
3752 | if (ecb_expect_false (current == self)) |
3467 | coro_times_sub (SvSTATE (coro_current)); |
3753 | coro_times_sub (SvSTATE (coro_current)); |
3468 | } |
3754 | } |
3469 | |
3755 | |
3470 | void |
3756 | void |
3471 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3757 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
… | |
… | |
3492 | BOOT: |
3778 | BOOT: |
3493 | { |
3779 | { |
3494 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3780 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3495 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3781 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3496 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3782 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3497 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3498 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3783 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3499 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3784 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3500 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3785 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3501 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3786 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3502 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3787 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
… | |
… | |
3545 | void |
3830 | void |
3546 | _destroy (Coro::State coro) |
3831 | _destroy (Coro::State coro) |
3547 | CODE: |
3832 | CODE: |
3548 | /* used by the manager thread */ |
3833 | /* used by the manager thread */ |
3549 | coro_state_destroy (aTHX_ coro); |
3834 | coro_state_destroy (aTHX_ coro); |
|
|
3835 | |
|
|
3836 | void |
|
|
3837 | on_destroy (Coro::State coro, SV *cb) |
|
|
3838 | CODE: |
3550 | coro_call_on_destroy (aTHX_ coro); |
3839 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3840 | |
|
|
3841 | void |
|
|
3842 | join (...) |
|
|
3843 | CODE: |
|
|
3844 | CORO_EXECUTE_SLF_XS (slf_init_join); |
3551 | |
3845 | |
3552 | void |
3846 | void |
3553 | terminate (...) |
3847 | terminate (...) |
3554 | CODE: |
3848 | CODE: |
3555 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3849 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3556 | |
3850 | |
3557 | void |
3851 | void |
3558 | cancel (...) |
3852 | cancel (...) |
3559 | CODE: |
3853 | CODE: |
3560 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
3854 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3855 | |
|
|
3856 | int |
|
|
3857 | safe_cancel (Coro::State self, ...) |
|
|
3858 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
3561 | |
3859 | |
3562 | void |
3860 | void |
3563 | schedule (...) |
3861 | schedule (...) |
3564 | CODE: |
3862 | CODE: |
3565 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3863 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
… | |
… | |
3841 | } |
4139 | } |
3842 | |
4140 | |
3843 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4141 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3844 | |
4142 | |
3845 | void |
4143 | void |
3846 | _may_delete (SV *sem, int count, int extra_refs) |
4144 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3847 | PPCODE: |
4145 | PPCODE: |
3848 | { |
4146 | { |
3849 | AV *av = (AV *)SvRV (sem); |
4147 | AV *av = (AV *)SvRV (sem); |
3850 | |
4148 | |
3851 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4149 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |