… | |
… | |
4 | #define PERL_EXT |
4 | #define PERL_EXT |
5 | |
5 | |
6 | #include "EXTERN.h" |
6 | #include "EXTERN.h" |
7 | #include "perl.h" |
7 | #include "perl.h" |
8 | #include "XSUB.h" |
8 | #include "XSUB.h" |
|
|
9 | #include "perliol.h" |
9 | |
10 | |
10 | #include "patchlevel.h" |
11 | #include "patchlevel.h" |
11 | |
12 | |
12 | #include <stdio.h> |
13 | #include <stdio.h> |
13 | #include <errno.h> |
14 | #include <errno.h> |
… | |
… | |
45 | # define BOOT_PAGESIZE (void)0 |
46 | # define BOOT_PAGESIZE (void)0 |
46 | #endif |
47 | #endif |
47 | |
48 | |
48 | #if CORO_USE_VALGRIND |
49 | #if CORO_USE_VALGRIND |
49 | # include <valgrind/valgrind.h> |
50 | # include <valgrind/valgrind.h> |
50 | # define REGISTER_STACK(cctx,start,end) (cctx)->valgrind_id = VALGRIND_STACK_REGISTER ((start), (end)) |
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|
51 | #else |
|
|
52 | # define REGISTER_STACK(cctx,start,end) |
|
|
53 | #endif |
51 | #endif |
54 | |
52 | |
55 | /* the maximum number of idle cctx that will be pooled */ |
53 | /* the maximum number of idle cctx that will be pooled */ |
56 | #define MAX_IDLE_CCTX 8 |
54 | static int cctx_max_idle = 4; |
57 | |
55 | |
58 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
59 | (PERL_REVISION > (a) \ |
57 | (PERL_REVISION > (a) \ |
60 | || (PERL_REVISION == (a) \ |
58 | || (PERL_REVISION == (a) \ |
61 | && (PERL_VERSION > (b) \ |
59 | && (PERL_VERSION > (b) \ |
… | |
… | |
80 | # ifndef IS_PADCONST |
78 | # ifndef IS_PADCONST |
81 | # define IS_PADCONST(v) 0 |
79 | # define IS_PADCONST(v) 0 |
82 | # endif |
80 | # endif |
83 | #endif |
81 | #endif |
84 | |
82 | |
|
|
83 | /* 5.11 */ |
|
|
84 | #ifndef CxHASARGS |
|
|
85 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
|
|
86 | #endif |
|
|
87 | |
|
|
88 | /* 5.10.0 */ |
|
|
89 | #ifndef SvREFCNT_inc_NN |
|
|
90 | # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
|
|
91 | #endif |
|
|
92 | |
85 | /* 5.8.8 */ |
93 | /* 5.8.8 */ |
86 | #ifndef GV_NOTQUAL |
94 | #ifndef GV_NOTQUAL |
87 | # define GV_NOTQUAL 0 |
95 | # define GV_NOTQUAL 0 |
88 | #endif |
96 | #endif |
89 | #ifndef newSV |
97 | #ifndef newSV |
90 | # define newSV(l) NEWSV(0,l) |
98 | # define newSV(l) NEWSV(0,l) |
91 | #endif |
99 | #endif |
92 | |
100 | |
93 | /* 5.11 */ |
|
|
94 | #ifndef CxHASARGS |
|
|
95 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
|
|
96 | #endif |
|
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97 | |
|
|
98 | /* 5.8.7 */ |
101 | /* 5.8.7 */ |
99 | #ifndef SvRV_set |
102 | #ifndef SvRV_set |
100 | # define SvRV_set(s,v) SvRV(s) = (v) |
103 | # define SvRV_set(s,v) SvRV(s) = (v) |
101 | #endif |
104 | #endif |
102 | |
105 | |
… | |
… | |
113 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
116 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
114 | #endif |
117 | #endif |
115 | |
118 | |
116 | /* The next macros try to return the current stack pointer, in an as |
119 | /* The next macros try to return the current stack pointer, in an as |
117 | * portable way as possible. */ |
120 | * portable way as possible. */ |
118 | #define dSTACKLEVEL volatile char stacklevel |
121 | #if __GNUC__ >= 4 |
119 | #define STACKLEVEL ((void *)&stacklevel) |
122 | # define dSTACKLEVEL void *stacklevel = __builtin_frame_address (0) |
|
|
123 | #else |
|
|
124 | # define dSTACKLEVEL volatile void *stacklevel = (volatile void *)&stacklevel |
|
|
125 | #endif |
120 | |
126 | |
121 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
127 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
122 | |
128 | |
123 | #if __GNUC__ >= 3 |
129 | #if __GNUC__ >= 3 |
124 | # define attribute(x) __attribute__(x) |
130 | # define attribute(x) __attribute__(x) |
125 | # define BARRIER __asm__ __volatile__ ("" : : : "memory") |
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|
126 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
131 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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132 | # define INLINE static inline |
127 | #else |
133 | #else |
128 | # define attribute(x) |
134 | # define attribute(x) |
129 | # define BARRIER |
|
|
130 | # define expect(expr,value) (expr) |
135 | # define expect(expr,value) (expr) |
|
|
136 | # define INLINE static |
131 | #endif |
137 | #endif |
132 | |
138 | |
133 | #define expect_false(expr) expect ((expr) != 0, 0) |
139 | #define expect_false(expr) expect ((expr) != 0, 0) |
134 | #define expect_true(expr) expect ((expr) != 0, 1) |
140 | #define expect_true(expr) expect ((expr) != 0, 1) |
135 | |
141 | |
136 | #define NOINLINE attribute ((noinline)) |
142 | #define NOINLINE attribute ((noinline)) |
137 | |
143 | |
138 | #include "CoroAPI.h" |
144 | #include "CoroAPI.h" |
139 | |
145 | |
140 | #ifdef USE_ITHREADS |
146 | #ifdef USE_ITHREADS |
|
|
147 | |
141 | static perl_mutex coro_mutex; |
148 | static perl_mutex coro_lock; |
142 | # define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) |
149 | # define LOCK do { MUTEX_LOCK (&coro_lock); } while (0) |
143 | # define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0) |
150 | # define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0) |
|
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151 | # if CORO_PTHREAD |
|
|
152 | static void *coro_thx; |
|
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153 | # endif |
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154 | |
144 | #else |
155 | #else |
|
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156 | |
145 | # define LOCK (void)0 |
157 | # define LOCK (void)0 |
146 | # define UNLOCK (void)0 |
158 | # define UNLOCK (void)0 |
|
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159 | |
147 | #endif |
160 | #endif |
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161 | |
|
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162 | # undef LOCK |
|
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163 | # define LOCK (void)0 |
|
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164 | # undef UNLOCK |
|
|
165 | # define UNLOCK (void)0 |
148 | |
166 | |
149 | /* helper storage struct for Coro::AIO */ |
167 | /* helper storage struct for Coro::AIO */ |
150 | struct io_state |
168 | struct io_state |
151 | { |
169 | { |
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|
170 | AV *res; |
152 | int errorno; |
171 | int errorno; |
153 | I32 laststype; |
172 | I32 laststype; /* U16 in 5.10.0 */ |
154 | int laststatval; |
173 | int laststatval; |
155 | Stat_t statcache; |
174 | Stat_t statcache; |
156 | }; |
175 | }; |
157 | |
176 | |
|
|
177 | static double (*nvtime)(); /* so why doesn't it take void? */ |
|
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178 | |
|
|
179 | static U32 cctx_gen; |
158 | static size_t coro_stacksize = CORO_STACKSIZE; |
180 | static size_t cctx_stacksize = CORO_STACKSIZE; |
159 | static struct CoroAPI coroapi; |
181 | static struct CoroAPI coroapi; |
160 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
182 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
161 | static JMPENV *main_top_env; |
183 | static JMPENV *main_top_env; |
162 | static HV *coro_state_stash, *coro_stash; |
184 | static HV *coro_state_stash, *coro_stash; |
163 | static volatile SV *coro_mortal; /* will be freed after next transfer */ |
185 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
|
|
186 | static volatile struct coro *transfer_next; |
164 | |
187 | |
165 | static GV *irsgv; /* $/ */ |
188 | static GV *irsgv; /* $/ */ |
166 | static GV *stdoutgv; /* *STDOUT */ |
189 | static GV *stdoutgv; /* *STDOUT */ |
167 | static SV *rv_diehook; |
190 | static SV *rv_diehook; |
168 | static SV *rv_warnhook; |
191 | static SV *rv_warnhook; |
… | |
… | |
187 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
210 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
188 | CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE, |
211 | CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE, |
189 | }; |
212 | }; |
190 | |
213 | |
191 | /* this is a structure representing a c-level coroutine */ |
214 | /* this is a structure representing a c-level coroutine */ |
192 | typedef struct coro_cctx { |
215 | typedef struct coro_cctx |
|
|
216 | { |
193 | struct coro_cctx *next; |
217 | struct coro_cctx *next; |
194 | |
218 | |
195 | /* the stack */ |
219 | /* the stack */ |
196 | void *sptr; |
220 | void *sptr; |
197 | size_t ssize; |
221 | size_t ssize; |
… | |
… | |
200 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
224 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
201 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
225 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
202 | JMPENV *top_env; |
226 | JMPENV *top_env; |
203 | coro_context cctx; |
227 | coro_context cctx; |
204 | |
228 | |
|
|
229 | U32 gen; |
205 | #if CORO_USE_VALGRIND |
230 | #if CORO_USE_VALGRIND |
206 | int valgrind_id; |
231 | int valgrind_id; |
207 | #endif |
232 | #endif |
208 | unsigned char flags; |
233 | unsigned char flags; |
209 | } coro_cctx; |
234 | } coro_cctx; |
… | |
… | |
214 | CF_NEW = 0x0004, /* has never been switched to */ |
239 | CF_NEW = 0x0004, /* has never been switched to */ |
215 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
240 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
216 | }; |
241 | }; |
217 | |
242 | |
218 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
243 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
219 | typedef struct { |
244 | typedef struct |
|
|
245 | { |
220 | SV *defsv; |
246 | SV *defsv; |
221 | AV *defav; |
247 | AV *defav; |
222 | SV *errsv; |
248 | SV *errsv; |
223 | SV *irsgv; |
249 | SV *irsgv; |
224 | #define VAR(name,type) type name; |
250 | #define VAR(name,type) type name; |
… | |
… | |
228 | |
254 | |
229 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
255 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
230 | |
256 | |
231 | /* this is a structure representing a perl-level coroutine */ |
257 | /* this is a structure representing a perl-level coroutine */ |
232 | struct coro { |
258 | struct coro { |
233 | /* the c coroutine allocated to this perl coroutine, if any */ |
259 | /* the C coroutine allocated to this perl coroutine, if any */ |
234 | coro_cctx *cctx; |
260 | coro_cctx *cctx; |
235 | |
261 | |
236 | /* process data */ |
262 | /* process data */ |
|
|
263 | struct CoroSLF slf_frame; /* saved slf frame */ |
237 | AV *mainstack; |
264 | AV *mainstack; |
238 | perl_slots *slot; /* basically the saved sp */ |
265 | perl_slots *slot; /* basically the saved sp */ |
239 | |
266 | |
240 | AV *args; /* data associated with this coroutine (initial args) */ |
267 | AV *args; /* data associated with this coroutine (initial args) */ |
241 | int refcnt; /* coroutines are refcounted, yes */ |
268 | int refcnt; /* coroutines are refcounted, yes */ |
… | |
… | |
256 | struct coro *next, *prev; |
283 | struct coro *next, *prev; |
257 | }; |
284 | }; |
258 | |
285 | |
259 | typedef struct coro *Coro__State; |
286 | typedef struct coro *Coro__State; |
260 | typedef struct coro *Coro__State_or_hashref; |
287 | typedef struct coro *Coro__State_or_hashref; |
|
|
288 | |
|
|
289 | static struct CoroSLF slf_frame; /* the current slf frame */ |
261 | |
290 | |
262 | /** Coro ********************************************************************/ |
291 | /** Coro ********************************************************************/ |
263 | |
292 | |
264 | #define PRIO_MAX 3 |
293 | #define PRIO_MAX 3 |
265 | #define PRIO_HIGH 1 |
294 | #define PRIO_HIGH 1 |
… | |
… | |
269 | #define PRIO_MIN -4 |
298 | #define PRIO_MIN -4 |
270 | |
299 | |
271 | /* for Coro.pm */ |
300 | /* for Coro.pm */ |
272 | static SV *coro_current; |
301 | static SV *coro_current; |
273 | static SV *coro_readyhook; |
302 | static SV *coro_readyhook; |
274 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
303 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
275 | static int coro_nready; |
|
|
276 | static struct coro *coro_first; |
304 | static struct coro *coro_first; |
|
|
305 | #define coro_nready coroapi.nready |
277 | |
306 | |
278 | /** lowlevel stuff **********************************************************/ |
307 | /** lowlevel stuff **********************************************************/ |
279 | |
308 | |
280 | static SV * |
309 | static SV * |
281 | coro_get_sv (pTHX_ const char *name, int create) |
310 | coro_get_sv (pTHX_ const char *name, int create) |
… | |
… | |
321 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
350 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
322 | #endif |
351 | #endif |
323 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
352 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
324 | --AvFILLp (padlist); |
353 | --AvFILLp (padlist); |
325 | |
354 | |
326 | av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE))); |
355 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
327 | av_store (newpadlist, 1, (SV *)newpad); |
356 | av_store (newpadlist, 1, (SV *)newpad); |
328 | |
357 | |
329 | return newpadlist; |
358 | return newpadlist; |
330 | } |
359 | } |
331 | |
360 | |
… | |
… | |
361 | |
390 | |
362 | /* casting is fun. */ |
391 | /* casting is fun. */ |
363 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
392 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
364 | free_padlist (aTHX_ padlist); |
393 | free_padlist (aTHX_ padlist); |
365 | |
394 | |
|
|
395 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
396 | |
366 | return 0; |
397 | return 0; |
367 | } |
398 | } |
368 | |
399 | |
369 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
400 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
370 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
401 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
… | |
… | |
372 | static MGVTBL coro_cv_vtbl = { |
403 | static MGVTBL coro_cv_vtbl = { |
373 | 0, 0, 0, 0, |
404 | 0, 0, 0, 0, |
374 | coro_cv_free |
405 | coro_cv_free |
375 | }; |
406 | }; |
376 | |
407 | |
377 | #define CORO_MAGIC(sv,type) \ |
408 | #define CORO_MAGIC(sv, type) \ |
378 | SvMAGIC (sv) \ |
409 | SvMAGIC (sv) \ |
379 | ? SvMAGIC (sv)->mg_type == type \ |
410 | ? SvMAGIC (sv)->mg_type == type \ |
380 | ? SvMAGIC (sv) \ |
411 | ? SvMAGIC (sv) \ |
381 | : mg_find (sv, type) \ |
412 | : mg_find (sv, type) \ |
382 | : 0 |
413 | : 0 |
383 | |
414 | |
384 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
415 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
385 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
416 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
386 | |
417 | |
387 | static struct coro * |
418 | INLINE struct coro * |
388 | SvSTATE_ (pTHX_ SV *coro) |
419 | SvSTATE_ (pTHX_ SV *coro) |
389 | { |
420 | { |
390 | HV *stash; |
421 | HV *stash; |
391 | MAGIC *mg; |
422 | MAGIC *mg; |
392 | |
423 | |
… | |
… | |
420 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
451 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
421 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
452 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
422 | else |
453 | else |
423 | { |
454 | { |
424 | #if CORO_PREFER_PERL_FUNCTIONS |
455 | #if CORO_PREFER_PERL_FUNCTIONS |
425 | /* this is probably cleaner, but also slower? */ |
456 | /* this is probably cleaner? but also slower! */ |
|
|
457 | /* in practise, it seems to be less stable */ |
426 | CV *cp = Perl_cv_clone (cv); |
458 | CV *cp = Perl_cv_clone (cv); |
427 | CvPADLIST (cv) = CvPADLIST (cp); |
459 | CvPADLIST (cv) = CvPADLIST (cp); |
428 | CvPADLIST (cp) = 0; |
460 | CvPADLIST (cp) = 0; |
429 | SvREFCNT_dec (cp); |
461 | SvREFCNT_dec (cp); |
430 | #else |
462 | #else |
… | |
… | |
482 | CvPADLIST (cv) = (AV *)POPs; |
514 | CvPADLIST (cv) = (AV *)POPs; |
483 | } |
515 | } |
484 | |
516 | |
485 | PUTBACK; |
517 | PUTBACK; |
486 | } |
518 | } |
|
|
519 | |
|
|
520 | slf_frame = c->slf_frame; |
487 | } |
521 | } |
488 | |
522 | |
489 | static void |
523 | static void |
490 | save_perl (pTHX_ Coro__State c) |
524 | save_perl (pTHX_ Coro__State c) |
491 | { |
525 | { |
|
|
526 | c->slf_frame = slf_frame; |
|
|
527 | |
492 | { |
528 | { |
493 | dSP; |
529 | dSP; |
494 | I32 cxix = cxstack_ix; |
530 | I32 cxix = cxstack_ix; |
495 | PERL_CONTEXT *ccstk = cxstack; |
531 | PERL_CONTEXT *ccstk = cxstack; |
496 | PERL_SI *top_si = PL_curstackinfo; |
532 | PERL_SI *top_si = PL_curstackinfo; |
… | |
… | |
563 | #undef VAR |
599 | #undef VAR |
564 | } |
600 | } |
565 | } |
601 | } |
566 | |
602 | |
567 | /* |
603 | /* |
568 | * allocate various perl stacks. This is an exact copy |
604 | * allocate various perl stacks. This is almost an exact copy |
569 | * of perl.c:init_stacks, except that it uses less memory |
605 | * of perl.c:init_stacks, except that it uses less memory |
570 | * on the (sometimes correct) assumption that coroutines do |
606 | * on the (sometimes correct) assumption that coroutines do |
571 | * not usually need a lot of stackspace. |
607 | * not usually need a lot of stackspace. |
572 | */ |
608 | */ |
573 | #if CORO_PREFER_PERL_FUNCTIONS |
609 | #if CORO_PREFER_PERL_FUNCTIONS |
… | |
… | |
616 | |
652 | |
617 | /* |
653 | /* |
618 | * destroy the stacks, the callchain etc... |
654 | * destroy the stacks, the callchain etc... |
619 | */ |
655 | */ |
620 | static void |
656 | static void |
621 | coro_destroy_stacks (pTHX) |
657 | coro_destruct_stacks (pTHX) |
622 | { |
658 | { |
623 | while (PL_curstackinfo->si_next) |
659 | while (PL_curstackinfo->si_next) |
624 | PL_curstackinfo = PL_curstackinfo->si_next; |
660 | PL_curstackinfo = PL_curstackinfo->si_next; |
625 | |
661 | |
626 | while (PL_curstackinfo) |
662 | while (PL_curstackinfo) |
… | |
… | |
663 | #undef VAR |
699 | #undef VAR |
664 | } |
700 | } |
665 | else |
701 | else |
666 | slot = coro->slot; |
702 | slot = coro->slot; |
667 | |
703 | |
|
|
704 | if (slot) |
|
|
705 | { |
668 | rss += sizeof (slot->curstackinfo); |
706 | rss += sizeof (slot->curstackinfo); |
669 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
707 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
670 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
708 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
671 | rss += slot->tmps_max * sizeof (SV *); |
709 | rss += slot->tmps_max * sizeof (SV *); |
672 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
710 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
673 | rss += slot->scopestack_max * sizeof (I32); |
711 | rss += slot->scopestack_max * sizeof (I32); |
674 | rss += slot->savestack_max * sizeof (ANY); |
712 | rss += slot->savestack_max * sizeof (ANY); |
675 | |
713 | |
676 | #if !PERL_VERSION_ATLEAST (5,10,0) |
714 | #if !PERL_VERSION_ATLEAST (5,10,0) |
677 | rss += slot->retstack_max * sizeof (OP *); |
715 | rss += slot->retstack_max * sizeof (OP *); |
678 | #endif |
716 | #endif |
|
|
717 | } |
679 | } |
718 | } |
680 | |
719 | |
681 | return rss; |
720 | return rss; |
682 | } |
721 | } |
683 | |
722 | |
684 | /** coroutine stack handling ************************************************/ |
723 | /** coroutine stack handling ************************************************/ |
685 | |
724 | |
686 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
725 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
687 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
726 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
727 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
688 | |
728 | |
689 | /* apparently < 5.8.8 */ |
729 | /* apparently < 5.8.8 */ |
690 | #undef MgPV_nolen_const |
|
|
691 | #ifndef MgPV_nolen_const |
730 | #ifndef MgPV_nolen_const |
692 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
731 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
693 | SvPV_nolen_const((SV*)((mg)->mg_ptr)) : \ |
732 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
694 | (const char*)(mg)->mg_ptr) |
733 | (const char*)(mg)->mg_ptr) |
695 | #endif |
734 | #endif |
696 | |
735 | |
697 | /* |
736 | /* |
698 | * This overrides the default magic get method of %SIG elements. |
737 | * This overrides the default magic get method of %SIG elements. |
… | |
… | |
708 | { |
747 | { |
709 | const char *s = MgPV_nolen_const (mg); |
748 | const char *s = MgPV_nolen_const (mg); |
710 | |
749 | |
711 | if (*s == '_') |
750 | if (*s == '_') |
712 | { |
751 | { |
713 | if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0; |
752 | SV **svp = 0; |
714 | if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0; |
753 | |
|
|
754 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
755 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
756 | |
|
|
757 | if (svp) |
|
|
758 | { |
|
|
759 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
|
|
760 | return 0; |
|
|
761 | } |
715 | } |
762 | } |
716 | |
763 | |
717 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
764 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
|
|
765 | } |
|
|
766 | |
|
|
767 | static int |
|
|
768 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
|
|
769 | { |
|
|
770 | const char *s = MgPV_nolen_const (mg); |
|
|
771 | |
|
|
772 | if (*s == '_') |
|
|
773 | { |
|
|
774 | SV **svp = 0; |
|
|
775 | |
|
|
776 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
777 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
778 | |
|
|
779 | if (svp) |
|
|
780 | { |
|
|
781 | SV *old = *svp; |
|
|
782 | *svp = 0; |
|
|
783 | SvREFCNT_dec (old); |
|
|
784 | return 0; |
|
|
785 | } |
|
|
786 | } |
|
|
787 | |
|
|
788 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
718 | } |
789 | } |
719 | |
790 | |
720 | static int |
791 | static int |
721 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
792 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
722 | { |
793 | { |
… | |
… | |
737 | return 0; |
808 | return 0; |
738 | } |
809 | } |
739 | } |
810 | } |
740 | |
811 | |
741 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
812 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
813 | } |
|
|
814 | |
|
|
815 | static void |
|
|
816 | prepare_nop (aTHX_ struct coro_transfer_args *ta) |
|
|
817 | { |
|
|
818 | /* kind of mega-hacky, but works */ |
|
|
819 | ta->next = ta->prev = (struct coro *)ta; |
|
|
820 | } |
|
|
821 | |
|
|
822 | static int |
|
|
823 | slf_check_nop (aTHX) |
|
|
824 | { |
|
|
825 | return 0; |
742 | } |
826 | } |
743 | |
827 | |
744 | static void |
828 | static void |
745 | coro_setup (pTHX_ struct coro *coro) |
829 | coro_setup (pTHX_ struct coro *coro) |
746 | { |
830 | { |
… | |
… | |
769 | GvSV (PL_defgv) = newSV (0); |
853 | GvSV (PL_defgv) = newSV (0); |
770 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
854 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
771 | GvSV (PL_errgv) = newSV (0); |
855 | GvSV (PL_errgv) = newSV (0); |
772 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
856 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
773 | PL_rs = newSVsv (GvSV (irsgv)); |
857 | PL_rs = newSVsv (GvSV (irsgv)); |
774 | PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv); |
858 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
775 | |
859 | |
776 | { |
860 | { |
777 | dSP; |
861 | dSP; |
778 | LOGOP myop; |
862 | UNOP myop; |
779 | |
863 | |
780 | Zero (&myop, 1, LOGOP); |
864 | Zero (&myop, 1, UNOP); |
781 | myop.op_next = Nullop; |
865 | myop.op_next = Nullop; |
782 | myop.op_flags = OPf_WANT_VOID; |
866 | myop.op_flags = OPf_WANT_VOID; |
783 | |
867 | |
784 | PUSHMARK (SP); |
868 | PUSHMARK (SP); |
785 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
869 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
… | |
… | |
788 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
872 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
789 | SPAGAIN; |
873 | SPAGAIN; |
790 | } |
874 | } |
791 | |
875 | |
792 | /* this newly created coroutine might be run on an existing cctx which most |
876 | /* this newly created coroutine might be run on an existing cctx which most |
793 | * likely was suspended in set_stacklevel, called from entersub. |
877 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
794 | * set_stacklevl doesn't do anything on return, but entersub does LEAVE, |
|
|
795 | * so we ENTER here for symmetry |
|
|
796 | */ |
878 | */ |
797 | ENTER; |
879 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
|
|
880 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
798 | } |
881 | } |
799 | |
882 | |
800 | static void |
883 | static void |
801 | coro_destroy (pTHX_ struct coro *coro) |
884 | coro_destruct (pTHX_ struct coro *coro) |
802 | { |
885 | { |
803 | if (!IN_DESTRUCT) |
886 | if (!IN_DESTRUCT) |
804 | { |
887 | { |
805 | /* restore all saved variables and stuff */ |
888 | /* restore all saved variables and stuff */ |
806 | LEAVE_SCOPE (0); |
889 | LEAVE_SCOPE (0); |
… | |
… | |
828 | SvREFCNT_dec (PL_warnhook); |
911 | SvREFCNT_dec (PL_warnhook); |
829 | |
912 | |
830 | SvREFCNT_dec (coro->saved_deffh); |
913 | SvREFCNT_dec (coro->saved_deffh); |
831 | SvREFCNT_dec (coro->throw); |
914 | SvREFCNT_dec (coro->throw); |
832 | |
915 | |
833 | coro_destroy_stacks (aTHX); |
916 | coro_destruct_stacks (aTHX); |
834 | } |
917 | } |
835 | |
918 | |
836 | static void |
919 | INLINE void |
837 | free_coro_mortal (pTHX) |
920 | free_coro_mortal (pTHX) |
838 | { |
921 | { |
839 | if (expect_true (coro_mortal)) |
922 | if (expect_true (coro_mortal)) |
840 | { |
923 | { |
841 | SvREFCNT_dec (coro_mortal); |
924 | SvREFCNT_dec (coro_mortal); |
… | |
… | |
875 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
958 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
876 | : bot; |
959 | : bot; |
877 | |
960 | |
878 | av_extend (av, top - bot); |
961 | av_extend (av, top - bot); |
879 | while (bot < top) |
962 | while (bot < top) |
880 | av_push (av, SvREFCNT_inc (*bot++)); |
963 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
881 | |
964 | |
882 | PL_runops = RUNOPS_DEFAULT; |
965 | PL_runops = RUNOPS_DEFAULT; |
883 | ENTER; |
966 | ENTER; |
884 | SAVETMPS; |
967 | SAVETMPS; |
885 | EXTEND (SP, 3); |
968 | EXTEND (SP, 3); |
… | |
… | |
965 | |
1048 | |
966 | TAINT_NOT; |
1049 | TAINT_NOT; |
967 | return 0; |
1050 | return 0; |
968 | } |
1051 | } |
969 | |
1052 | |
|
|
1053 | static void |
|
|
1054 | prepare_set_stacklevel (struct coro_transfer_args *ta, struct coro_cctx *cctx) |
|
|
1055 | { |
|
|
1056 | ta->prev = (struct coro *)cctx; |
|
|
1057 | ta->next = 0; |
|
|
1058 | } |
|
|
1059 | |
970 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
1060 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
971 | /* _cctx_init should be careful, as it could be called at almost any time */ |
1061 | /* _cctx_init should be careful, as it could be called at almost any time */ |
972 | /* during execution of a perl program */ |
1062 | /* during execution of a perl program */ |
|
|
1063 | /* also initialises PL_top_env */ |
973 | static void NOINLINE |
1064 | static void NOINLINE |
974 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1065 | cctx_prepare (pTHX_ coro_cctx *cctx) |
975 | { |
1066 | { |
976 | dSP; |
1067 | dSP; |
977 | LOGOP myop; |
1068 | UNOP myop; |
978 | |
1069 | |
979 | PL_top_env = &PL_start_env; |
1070 | PL_top_env = &PL_start_env; |
980 | |
1071 | |
981 | if (cctx->flags & CC_TRACE) |
1072 | if (cctx->flags & CC_TRACE) |
982 | PL_runops = runops_trace; |
1073 | PL_runops = runops_trace; |
983 | |
1074 | |
984 | Zero (&myop, 1, LOGOP); |
1075 | Zero (&myop, 1, UNOP); |
985 | myop.op_next = PL_op; |
1076 | myop.op_next = PL_op; |
986 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
1077 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
987 | |
1078 | |
988 | PUSHMARK (SP); |
1079 | PUSHMARK (SP); |
989 | EXTEND (SP, 2); |
1080 | EXTEND (SP, 2); |
990 | PUSHs (sv_2mortal (newSViv (PTR2IV (cctx)))); |
1081 | PUSHs (sv_2mortal (newSViv ((IV)cctx))); |
991 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
1082 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
992 | PUTBACK; |
1083 | PUTBACK; |
993 | PL_op = (OP *)&myop; |
1084 | PL_op = (OP *)&myop; |
994 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1085 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
995 | SPAGAIN; |
1086 | SPAGAIN; |
996 | } |
1087 | } |
997 | |
1088 | |
|
|
1089 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
|
|
1090 | INLINE void |
|
|
1091 | transfer_tail (pTHX) |
|
|
1092 | { |
|
|
1093 | struct coro *next = (struct coro *)transfer_next; |
|
|
1094 | assert (!(transfer_next = 0)); /* just used for the side effect when asserts are enabled */ |
|
|
1095 | assert (("FATAL: next coroutine was zero in transfer_tail (please report)", next)); |
|
|
1096 | |
|
|
1097 | free_coro_mortal (aTHX); |
|
|
1098 | UNLOCK; |
|
|
1099 | |
|
|
1100 | if (expect_false (next->throw)) |
|
|
1101 | { |
|
|
1102 | SV *exception = sv_2mortal (next->throw); |
|
|
1103 | |
|
|
1104 | next->throw = 0; |
|
|
1105 | sv_setsv (ERRSV, exception); |
|
|
1106 | croak (0); |
|
|
1107 | } |
|
|
1108 | } |
|
|
1109 | |
998 | /* |
1110 | /* |
999 | * this is a _very_ stripped down perl interpreter ;) |
1111 | * this is a _very_ stripped down perl interpreter ;) |
1000 | */ |
1112 | */ |
1001 | static void |
1113 | static void |
1002 | cctx_run (void *arg) |
1114 | cctx_run (void *arg) |
1003 | { |
1115 | { |
|
|
1116 | #ifdef USE_ITHREADS |
|
|
1117 | # if CORO_PTHREAD |
|
|
1118 | PERL_SET_CONTEXT (coro_thx); |
|
|
1119 | # endif |
|
|
1120 | #endif |
|
|
1121 | { |
1004 | dTHX; |
1122 | dTHX; |
1005 | |
1123 | |
1006 | /* cctx_run is the alternative tail of transfer(), so unlock here. */ |
1124 | /* normally we would need to skip the entersub here */ |
1007 | UNLOCK; |
1125 | /* not doing so will re-execute it, which is exactly what we want */ |
1008 | |
|
|
1009 | /* we now skip the entersub that lead to transfer() */ |
|
|
1010 | PL_op = PL_op->op_next; |
1126 | /* PL_nop = PL_nop->op_next */ |
1011 | |
1127 | |
1012 | /* inject a fake subroutine call to cctx_init */ |
1128 | /* inject a fake subroutine call to cctx_init */ |
1013 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1129 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1014 | |
1130 | |
|
|
1131 | /* cctx_run is the alternative tail of transfer() */ |
|
|
1132 | /* TODO: throwing an exception here might be deadly, VERIFY */ |
|
|
1133 | transfer_tail (aTHX); |
|
|
1134 | |
1015 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1135 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1016 | PL_restartop = PL_op; |
1136 | PL_restartop = PL_op; |
1017 | perl_run (PL_curinterp); |
1137 | perl_run (PL_curinterp); |
1018 | |
1138 | |
1019 | /* |
1139 | /* |
1020 | * If perl-run returns we assume exit() was being called or the coro |
1140 | * If perl-run returns we assume exit() was being called or the coro |
1021 | * fell off the end, which seems to be the only valid (non-bug) |
1141 | * fell off the end, which seems to be the only valid (non-bug) |
1022 | * reason for perl_run to return. We try to exit by jumping to the |
1142 | * reason for perl_run to return. We try to exit by jumping to the |
1023 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1143 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1024 | * coroutine as Coro has no such concept |
1144 | * coroutine as Coro has no such concept |
1025 | */ |
1145 | */ |
1026 | PL_top_env = main_top_env; |
1146 | PL_top_env = main_top_env; |
1027 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1147 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1148 | } |
1028 | } |
1149 | } |
1029 | |
1150 | |
1030 | static coro_cctx * |
1151 | static coro_cctx * |
1031 | cctx_new () |
1152 | cctx_new () |
1032 | { |
1153 | { |
1033 | coro_cctx *cctx; |
1154 | coro_cctx *cctx; |
|
|
1155 | |
|
|
1156 | ++cctx_count; |
|
|
1157 | New (0, cctx, 1, coro_cctx); |
|
|
1158 | |
|
|
1159 | cctx->gen = cctx_gen; |
|
|
1160 | cctx->flags = 0; |
|
|
1161 | cctx->idle_sp = 0; /* can be accessed by transfer between cctx_run and set_stacklevel, on throw */ |
|
|
1162 | |
|
|
1163 | return cctx; |
|
|
1164 | } |
|
|
1165 | |
|
|
1166 | /* create a new cctx only suitable as source */ |
|
|
1167 | static coro_cctx * |
|
|
1168 | cctx_new_empty () |
|
|
1169 | { |
|
|
1170 | coro_cctx *cctx = cctx_new (); |
|
|
1171 | |
|
|
1172 | cctx->sptr = 0; |
|
|
1173 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
|
|
1174 | |
|
|
1175 | return cctx; |
|
|
1176 | } |
|
|
1177 | |
|
|
1178 | /* create a new cctx suitable as destination/running a perl interpreter */ |
|
|
1179 | static coro_cctx * |
|
|
1180 | cctx_new_run () |
|
|
1181 | { |
|
|
1182 | coro_cctx *cctx = cctx_new (); |
1034 | void *stack_start; |
1183 | void *stack_start; |
1035 | size_t stack_size; |
1184 | size_t stack_size; |
1036 | |
1185 | |
1037 | ++cctx_count; |
|
|
1038 | |
|
|
1039 | Newz (0, cctx, 1, coro_cctx); |
|
|
1040 | |
|
|
1041 | #if HAVE_MMAP |
1186 | #if HAVE_MMAP |
1042 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1187 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1043 | /* mmap supposedly does allocate-on-write for us */ |
1188 | /* mmap supposedly does allocate-on-write for us */ |
1044 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1189 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1045 | |
1190 | |
1046 | if (cctx->sptr != (void *)-1) |
1191 | if (cctx->sptr != (void *)-1) |
1047 | { |
1192 | { |
1048 | # if CORO_STACKGUARD |
1193 | #if CORO_STACKGUARD |
1049 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1194 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1050 | # endif |
1195 | #endif |
1051 | stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
1196 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
1052 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
1197 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
1053 | cctx->flags |= CC_MAPPED; |
1198 | cctx->flags |= CC_MAPPED; |
1054 | } |
1199 | } |
1055 | else |
1200 | else |
1056 | #endif |
1201 | #endif |
1057 | { |
1202 | { |
1058 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
1203 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
1059 | New (0, cctx->sptr, coro_stacksize, long); |
1204 | New (0, cctx->sptr, cctx_stacksize, long); |
1060 | |
1205 | |
1061 | if (!cctx->sptr) |
1206 | if (!cctx->sptr) |
1062 | { |
1207 | { |
1063 | perror ("FATAL: unable to allocate stack for coroutine"); |
1208 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1064 | _exit (EXIT_FAILURE); |
1209 | _exit (EXIT_FAILURE); |
1065 | } |
1210 | } |
1066 | |
1211 | |
1067 | stack_start = cctx->sptr; |
1212 | stack_start = cctx->sptr; |
1068 | stack_size = cctx->ssize; |
1213 | stack_size = cctx->ssize; |
1069 | } |
1214 | } |
1070 | |
1215 | |
1071 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
1216 | #if CORO_USE_VALGRIND |
|
|
1217 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1218 | #endif |
|
|
1219 | |
1072 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1220 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1073 | |
1221 | |
1074 | return cctx; |
1222 | return cctx; |
1075 | } |
1223 | } |
1076 | |
1224 | |
… | |
… | |
1079 | { |
1227 | { |
1080 | if (!cctx) |
1228 | if (!cctx) |
1081 | return; |
1229 | return; |
1082 | |
1230 | |
1083 | --cctx_count; |
1231 | --cctx_count; |
|
|
1232 | coro_destroy (&cctx->cctx); |
1084 | |
1233 | |
|
|
1234 | /* coro_transfer creates new, empty cctx's */ |
|
|
1235 | if (cctx->sptr) |
|
|
1236 | { |
1085 | #if CORO_USE_VALGRIND |
1237 | #if CORO_USE_VALGRIND |
1086 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
1238 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
1087 | #endif |
1239 | #endif |
1088 | |
1240 | |
1089 | #if HAVE_MMAP |
1241 | #if HAVE_MMAP |
1090 | if (cctx->flags & CC_MAPPED) |
1242 | if (cctx->flags & CC_MAPPED) |
1091 | munmap (cctx->sptr, cctx->ssize); |
1243 | munmap (cctx->sptr, cctx->ssize); |
1092 | else |
1244 | else |
1093 | #endif |
1245 | #endif |
1094 | Safefree (cctx->sptr); |
1246 | Safefree (cctx->sptr); |
|
|
1247 | } |
1095 | |
1248 | |
1096 | Safefree (cctx); |
1249 | Safefree (cctx); |
1097 | } |
1250 | } |
1098 | |
1251 | |
1099 | /* wether this cctx should be destructed */ |
1252 | /* wether this cctx should be destructed */ |
1100 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
1253 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1101 | |
1254 | |
1102 | static coro_cctx * |
1255 | static coro_cctx * |
1103 | cctx_get (pTHX) |
1256 | cctx_get (pTHX) |
1104 | { |
1257 | { |
1105 | while (expect_true (cctx_first)) |
1258 | while (expect_true (cctx_first)) |
… | |
… | |
1112 | return cctx; |
1265 | return cctx; |
1113 | |
1266 | |
1114 | cctx_destroy (cctx); |
1267 | cctx_destroy (cctx); |
1115 | } |
1268 | } |
1116 | |
1269 | |
1117 | return cctx_new (); |
1270 | return cctx_new_run (); |
1118 | } |
1271 | } |
1119 | |
1272 | |
1120 | static void |
1273 | static void |
1121 | cctx_put (coro_cctx *cctx) |
1274 | cctx_put (coro_cctx *cctx) |
1122 | { |
1275 | { |
|
|
1276 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
|
|
1277 | |
1123 | /* free another cctx if overlimit */ |
1278 | /* free another cctx if overlimit */ |
1124 | if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) |
1279 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1125 | { |
1280 | { |
1126 | coro_cctx *first = cctx_first; |
1281 | coro_cctx *first = cctx_first; |
1127 | cctx_first = first->next; |
1282 | cctx_first = first->next; |
1128 | --cctx_idle; |
1283 | --cctx_idle; |
1129 | |
1284 | |
… | |
… | |
1141 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1296 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1142 | { |
1297 | { |
1143 | if (expect_true (prev != next)) |
1298 | if (expect_true (prev != next)) |
1144 | { |
1299 | { |
1145 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1300 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1146 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
1301 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,"); |
1147 | |
1302 | |
1148 | if (expect_false (next->flags & CF_RUNNING)) |
1303 | if (expect_false (next->flags & CF_RUNNING)) |
1149 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1304 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
1150 | |
1305 | |
1151 | if (expect_false (next->flags & CF_DESTROYED)) |
1306 | if (expect_false (next->flags & CF_DESTROYED)) |
1152 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1307 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1153 | |
1308 | |
1154 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1309 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1155 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1310 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1156 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version"); |
1311 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1157 | #endif |
1312 | #endif |
1158 | } |
1313 | } |
1159 | } |
1314 | } |
1160 | |
1315 | |
1161 | /* always use the TRANSFER macro */ |
1316 | /* always use the TRANSFER macro */ |
1162 | static void NOINLINE |
1317 | static void NOINLINE |
1163 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1318 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1164 | { |
1319 | { |
1165 | dSTACKLEVEL; |
1320 | dSTACKLEVEL; |
1166 | static volatile int has_throw; |
|
|
1167 | |
1321 | |
1168 | /* sometimes transfer is only called to set idle_sp */ |
1322 | /* sometimes transfer is only called to set idle_sp */ |
1169 | if (expect_false (!next)) |
1323 | if (expect_false (!next)) |
1170 | { |
1324 | { |
1171 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1325 | ((coro_cctx *)prev)->idle_sp = stacklevel; |
1172 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1326 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1173 | } |
1327 | } |
1174 | else if (expect_true (prev != next)) |
1328 | else if (expect_true (prev != next)) |
1175 | { |
1329 | { |
1176 | coro_cctx *prev__cctx; |
1330 | coro_cctx *prev__cctx; |
1177 | |
1331 | |
1178 | if (expect_false (prev->flags & CF_NEW)) |
1332 | if (expect_false (prev->flags & CF_NEW)) |
1179 | { |
1333 | { |
1180 | /* create a new empty context */ |
1334 | /* create a new empty/source context */ |
1181 | Newz (0, prev->cctx, 1, coro_cctx); |
1335 | prev->cctx = cctx_new_empty (); |
1182 | prev->flags &= ~CF_NEW; |
1336 | prev->flags &= ~CF_NEW; |
1183 | prev->flags |= CF_RUNNING; |
1337 | prev->flags |= CF_RUNNING; |
1184 | } |
1338 | } |
1185 | |
1339 | |
1186 | prev->flags &= ~CF_RUNNING; |
1340 | prev->flags &= ~CF_RUNNING; |
… | |
… | |
1201 | else |
1355 | else |
1202 | load_perl (aTHX_ next); |
1356 | load_perl (aTHX_ next); |
1203 | |
1357 | |
1204 | prev__cctx = prev->cctx; |
1358 | prev__cctx = prev->cctx; |
1205 | |
1359 | |
1206 | /* possibly "free" the cctx */ |
1360 | /* possibly untie and reuse the cctx */ |
1207 | if (expect_true ( |
1361 | if (expect_true ( |
1208 | prev__cctx->idle_sp == STACKLEVEL |
1362 | prev__cctx->idle_sp == stacklevel |
1209 | && !(prev__cctx->flags & CC_TRACE) |
1363 | && !(prev__cctx->flags & CC_TRACE) |
1210 | && !force_cctx |
1364 | && !force_cctx |
1211 | )) |
1365 | )) |
1212 | { |
1366 | { |
1213 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1367 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1214 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1368 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1215 | |
1369 | |
1216 | prev->cctx = 0; |
1370 | prev->cctx = 0; |
1217 | |
1371 | |
1218 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1372 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1219 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1373 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
… | |
… | |
1227 | ++next->usecount; |
1381 | ++next->usecount; |
1228 | |
1382 | |
1229 | if (expect_true (!next->cctx)) |
1383 | if (expect_true (!next->cctx)) |
1230 | next->cctx = cctx_get (aTHX); |
1384 | next->cctx = cctx_get (aTHX); |
1231 | |
1385 | |
1232 | has_throw = !!next->throw; |
1386 | assert (("FATAL: transfer_next already nonzero in Coro (please report)", !transfer_next)); |
|
|
1387 | transfer_next = next; |
1233 | |
1388 | |
1234 | if (expect_false (prev__cctx != next->cctx)) |
1389 | if (expect_false (prev__cctx != next->cctx)) |
1235 | { |
1390 | { |
1236 | prev__cctx->top_env = PL_top_env; |
1391 | prev__cctx->top_env = PL_top_env; |
1237 | PL_top_env = next->cctx->top_env; |
1392 | PL_top_env = next->cctx->top_env; |
1238 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1393 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1239 | } |
1394 | } |
1240 | |
1395 | |
1241 | free_coro_mortal (aTHX); |
1396 | transfer_tail (aTHX); |
1242 | UNLOCK; |
|
|
1243 | |
|
|
1244 | if (expect_false (has_throw)) |
|
|
1245 | { |
|
|
1246 | struct coro *coro = SvSTATE (coro_current); |
|
|
1247 | |
|
|
1248 | if (coro->throw) |
|
|
1249 | { |
|
|
1250 | SV *exception = coro->throw; |
|
|
1251 | coro->throw = 0; |
|
|
1252 | sv_setsv (ERRSV, exception); |
|
|
1253 | croak (0); |
|
|
1254 | } |
|
|
1255 | } |
|
|
1256 | } |
1397 | } |
1257 | } |
1398 | } |
1258 | |
|
|
1259 | struct transfer_args |
|
|
1260 | { |
|
|
1261 | struct coro *prev, *next; |
|
|
1262 | }; |
|
|
1263 | |
1399 | |
1264 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1400 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1265 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1401 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1266 | |
1402 | |
1267 | /** high level stuff ********************************************************/ |
1403 | /** high level stuff ********************************************************/ |
… | |
… | |
1287 | |
1423 | |
1288 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1424 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1289 | { |
1425 | { |
1290 | struct coro temp; |
1426 | struct coro temp; |
1291 | |
1427 | |
1292 | if (coro->flags & CF_RUNNING) |
1428 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
1293 | croak ("FATAL: tried to destroy currently running coroutine"); |
|
|
1294 | |
1429 | |
1295 | save_perl (aTHX_ &temp); |
1430 | save_perl (aTHX_ &temp); |
1296 | load_perl (aTHX_ coro); |
1431 | load_perl (aTHX_ coro); |
1297 | |
1432 | |
1298 | coro_destroy (aTHX_ coro); |
1433 | coro_destruct (aTHX_ coro); |
1299 | |
1434 | |
1300 | load_perl (aTHX_ &temp); |
1435 | load_perl (aTHX_ &temp); |
1301 | |
1436 | |
1302 | coro->slot = 0; |
1437 | coro->slot = 0; |
1303 | } |
1438 | } |
… | |
… | |
1349 | # define MGf_DUP 0 |
1484 | # define MGf_DUP 0 |
1350 | #endif |
1485 | #endif |
1351 | }; |
1486 | }; |
1352 | |
1487 | |
1353 | static void |
1488 | static void |
1354 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1489 | prepare_transfer (pTHX_ struct coro_transfer_args *ta, SV *prev_sv, SV *next_sv) |
1355 | { |
1490 | { |
1356 | ta->prev = SvSTATE (prev_sv); |
1491 | ta->prev = SvSTATE (prev_sv); |
1357 | ta->next = SvSTATE (next_sv); |
1492 | ta->next = SvSTATE (next_sv); |
1358 | TRANSFER_CHECK (*ta); |
1493 | TRANSFER_CHECK (*ta); |
1359 | } |
1494 | } |
1360 | |
1495 | |
1361 | static void |
1496 | static void |
1362 | api_transfer (SV *prev_sv, SV *next_sv) |
1497 | api_transfer (pTHX_ SV *prev_sv, SV *next_sv) |
1363 | { |
1498 | { |
1364 | dTHX; |
|
|
1365 | struct transfer_args ta; |
1499 | struct coro_transfer_args ta; |
1366 | |
1500 | |
1367 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1501 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1368 | TRANSFER (ta, 1); |
1502 | TRANSFER (ta, 1); |
1369 | } |
1503 | } |
1370 | |
1504 | |
… | |
… | |
1387 | |
1521 | |
1388 | return 0; |
1522 | return 0; |
1389 | } |
1523 | } |
1390 | |
1524 | |
1391 | static int |
1525 | static int |
1392 | api_ready (SV *coro_sv) |
1526 | api_ready (pTHX_ SV *coro_sv) |
1393 | { |
1527 | { |
1394 | dTHX; |
|
|
1395 | struct coro *coro; |
1528 | struct coro *coro; |
1396 | SV *sv_hook; |
1529 | SV *sv_hook; |
1397 | void (*xs_hook)(void); |
1530 | void (*xs_hook)(void); |
1398 | |
1531 | |
1399 | if (SvROK (coro_sv)) |
1532 | if (SvROK (coro_sv)) |
… | |
… | |
1409 | LOCK; |
1542 | LOCK; |
1410 | |
1543 | |
1411 | sv_hook = coro_nready ? 0 : coro_readyhook; |
1544 | sv_hook = coro_nready ? 0 : coro_readyhook; |
1412 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
1545 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
1413 | |
1546 | |
1414 | coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); |
1547 | coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv)); |
1415 | ++coro_nready; |
1548 | ++coro_nready; |
1416 | |
1549 | |
1417 | UNLOCK; |
1550 | UNLOCK; |
1418 | |
1551 | |
1419 | if (sv_hook) |
1552 | if (sv_hook) |
… | |
… | |
1437 | |
1570 | |
1438 | return 1; |
1571 | return 1; |
1439 | } |
1572 | } |
1440 | |
1573 | |
1441 | static int |
1574 | static int |
1442 | api_is_ready (SV *coro_sv) |
1575 | api_is_ready (pTHX_ SV *coro_sv) |
1443 | { |
1576 | { |
1444 | dTHX; |
|
|
1445 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1577 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1446 | } |
1578 | } |
1447 | |
1579 | |
1448 | static void |
1580 | INLINE void |
1449 | prepare_schedule (pTHX_ struct transfer_args *ta) |
1581 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1450 | { |
1582 | { |
1451 | SV *prev_sv, *next_sv; |
1583 | SV *prev_sv, *next_sv; |
1452 | |
1584 | |
1453 | for (;;) |
1585 | for (;;) |
1454 | { |
1586 | { |
… | |
… | |
1479 | /* cannot transfer to destroyed coros, skip and look for next */ |
1611 | /* cannot transfer to destroyed coros, skip and look for next */ |
1480 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1612 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1481 | { |
1613 | { |
1482 | UNLOCK; |
1614 | UNLOCK; |
1483 | SvREFCNT_dec (next_sv); |
1615 | SvREFCNT_dec (next_sv); |
1484 | /* coro_nready is already taken care of by destroy */ |
1616 | /* coro_nready has already been taken care of by destroy */ |
1485 | continue; |
1617 | continue; |
1486 | } |
1618 | } |
1487 | |
1619 | |
1488 | --coro_nready; |
1620 | --coro_nready; |
1489 | UNLOCK; |
1621 | UNLOCK; |
… | |
… | |
1492 | |
1624 | |
1493 | /* free this only after the transfer */ |
1625 | /* free this only after the transfer */ |
1494 | prev_sv = SvRV (coro_current); |
1626 | prev_sv = SvRV (coro_current); |
1495 | ta->prev = SvSTATE (prev_sv); |
1627 | ta->prev = SvSTATE (prev_sv); |
1496 | TRANSFER_CHECK (*ta); |
1628 | TRANSFER_CHECK (*ta); |
1497 | assert (ta->next->flags & CF_READY); |
1629 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
1498 | ta->next->flags &= ~CF_READY; |
1630 | ta->next->flags &= ~CF_READY; |
1499 | SvRV_set (coro_current, next_sv); |
1631 | SvRV_set (coro_current, next_sv); |
1500 | |
1632 | |
1501 | LOCK; |
1633 | LOCK; |
1502 | free_coro_mortal (aTHX); |
1634 | free_coro_mortal (aTHX); |
1503 | coro_mortal = prev_sv; |
1635 | coro_mortal = prev_sv; |
1504 | UNLOCK; |
1636 | UNLOCK; |
1505 | } |
1637 | } |
1506 | |
1638 | |
1507 | static void |
1639 | INLINE void |
1508 | prepare_cede (pTHX_ struct transfer_args *ta) |
1640 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1509 | { |
1641 | { |
1510 | api_ready (coro_current); |
1642 | api_ready (aTHX_ coro_current); |
1511 | prepare_schedule (aTHX_ ta); |
1643 | prepare_schedule (aTHX_ ta); |
1512 | } |
1644 | } |
1513 | |
1645 | |
|
|
1646 | INLINE void |
|
|
1647 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
|
|
1648 | { |
|
|
1649 | SV *prev = SvRV (coro_current); |
|
|
1650 | |
|
|
1651 | if (coro_nready) |
|
|
1652 | { |
|
|
1653 | prepare_schedule (aTHX_ ta); |
|
|
1654 | api_ready (aTHX_ prev); |
|
|
1655 | } |
|
|
1656 | else |
|
|
1657 | prepare_nop (aTHX_ ta); |
|
|
1658 | } |
|
|
1659 | |
|
|
1660 | static void |
|
|
1661 | api_schedule (pTHX) |
|
|
1662 | { |
|
|
1663 | struct coro_transfer_args ta; |
|
|
1664 | |
|
|
1665 | prepare_schedule (aTHX_ &ta); |
|
|
1666 | TRANSFER (ta, 1); |
|
|
1667 | } |
|
|
1668 | |
1514 | static int |
1669 | static int |
1515 | prepare_cede_notself (pTHX_ struct transfer_args *ta) |
1670 | api_cede (pTHX) |
1516 | { |
1671 | { |
1517 | if (coro_nready) |
1672 | struct coro_transfer_args ta; |
1518 | { |
1673 | |
1519 | SV *prev = SvRV (coro_current); |
|
|
1520 | prepare_schedule (aTHX_ ta); |
1674 | prepare_cede (aTHX_ &ta); |
1521 | api_ready (prev); |
1675 | |
|
|
1676 | if (expect_true (ta.prev != ta.next)) |
|
|
1677 | { |
|
|
1678 | TRANSFER (ta, 1); |
1522 | return 1; |
1679 | return 1; |
1523 | } |
1680 | } |
1524 | else |
1681 | else |
1525 | return 0; |
1682 | return 0; |
1526 | } |
1683 | } |
1527 | |
1684 | |
1528 | static void |
|
|
1529 | api_schedule (void) |
|
|
1530 | { |
|
|
1531 | dTHX; |
|
|
1532 | struct transfer_args ta; |
|
|
1533 | |
|
|
1534 | prepare_schedule (aTHX_ &ta); |
|
|
1535 | TRANSFER (ta, 1); |
|
|
1536 | } |
|
|
1537 | |
|
|
1538 | static int |
1685 | static int |
1539 | api_cede (void) |
1686 | api_cede_notself (pTHX) |
1540 | { |
1687 | { |
1541 | dTHX; |
1688 | if (coro_nready) |
|
|
1689 | { |
1542 | struct transfer_args ta; |
1690 | struct coro_transfer_args ta; |
1543 | |
1691 | |
1544 | prepare_cede (aTHX_ &ta); |
1692 | prepare_cede_notself (aTHX_ &ta); |
1545 | |
|
|
1546 | if (expect_true (ta.prev != ta.next)) |
|
|
1547 | { |
|
|
1548 | TRANSFER (ta, 1); |
1693 | TRANSFER (ta, 1); |
1549 | return 1; |
1694 | return 1; |
1550 | } |
1695 | } |
1551 | else |
1696 | else |
1552 | return 0; |
1697 | return 0; |
1553 | } |
1698 | } |
1554 | |
1699 | |
1555 | static int |
1700 | static void |
1556 | api_cede_notself (void) |
|
|
1557 | { |
|
|
1558 | dTHX; |
|
|
1559 | struct transfer_args ta; |
|
|
1560 | |
|
|
1561 | if (prepare_cede_notself (aTHX_ &ta)) |
|
|
1562 | { |
|
|
1563 | TRANSFER (ta, 1); |
|
|
1564 | return 1; |
|
|
1565 | } |
|
|
1566 | else |
|
|
1567 | return 0; |
|
|
1568 | } |
|
|
1569 | |
|
|
1570 | static void |
|
|
1571 | api_trace (SV *coro_sv, int flags) |
1701 | api_trace (pTHX_ SV *coro_sv, int flags) |
1572 | { |
1702 | { |
1573 | dTHX; |
|
|
1574 | struct coro *coro = SvSTATE (coro_sv); |
1703 | struct coro *coro = SvSTATE (coro_sv); |
1575 | |
1704 | |
1576 | if (flags & CC_TRACE) |
1705 | if (flags & CC_TRACE) |
1577 | { |
1706 | { |
1578 | if (!coro->cctx) |
1707 | if (!coro->cctx) |
1579 | coro->cctx = cctx_new (); |
1708 | coro->cctx = cctx_new_run (); |
1580 | else if (!(coro->cctx->flags & CC_TRACE)) |
1709 | else if (!(coro->cctx->flags & CC_TRACE)) |
1581 | croak ("cannot enable tracing on coroutine with custom stack"); |
1710 | croak ("cannot enable tracing on coroutine with custom stack,"); |
1582 | |
1711 | |
1583 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1712 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1584 | } |
1713 | } |
1585 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1714 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1586 | { |
1715 | { |
… | |
… | |
1591 | else |
1720 | else |
1592 | coro->slot->runops = RUNOPS_DEFAULT; |
1721 | coro->slot->runops = RUNOPS_DEFAULT; |
1593 | } |
1722 | } |
1594 | } |
1723 | } |
1595 | |
1724 | |
|
|
1725 | #if 0 |
|
|
1726 | static int |
|
|
1727 | coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
1728 | { |
|
|
1729 | AV *padlist; |
|
|
1730 | AV *av = (AV *)mg->mg_obj; |
|
|
1731 | |
|
|
1732 | abort (); |
|
|
1733 | |
|
|
1734 | return 0; |
|
|
1735 | } |
|
|
1736 | |
|
|
1737 | static MGVTBL coro_gensub_vtbl = { |
|
|
1738 | 0, 0, 0, 0, |
|
|
1739 | coro_gensub_free |
|
|
1740 | }; |
|
|
1741 | #endif |
|
|
1742 | |
|
|
1743 | /*****************************************************************************/ |
|
|
1744 | /* PerlIO::cede */ |
|
|
1745 | |
|
|
1746 | typedef struct |
|
|
1747 | { |
|
|
1748 | PerlIOBuf base; |
|
|
1749 | NV next, every; |
|
|
1750 | } PerlIOCede; |
|
|
1751 | |
|
|
1752 | static IV |
|
|
1753 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
|
|
1754 | { |
|
|
1755 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1756 | |
|
|
1757 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
|
|
1758 | self->next = nvtime () + self->every; |
|
|
1759 | |
|
|
1760 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
|
|
1761 | } |
|
|
1762 | |
|
|
1763 | static SV * |
|
|
1764 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
|
|
1765 | { |
|
|
1766 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1767 | |
|
|
1768 | return newSVnv (self->every); |
|
|
1769 | } |
|
|
1770 | |
|
|
1771 | static IV |
|
|
1772 | PerlIOCede_flush (pTHX_ PerlIO *f) |
|
|
1773 | { |
|
|
1774 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1775 | double now = nvtime (); |
|
|
1776 | |
|
|
1777 | if (now >= self->next) |
|
|
1778 | { |
|
|
1779 | api_cede (aTHX); |
|
|
1780 | self->next = now + self->every; |
|
|
1781 | } |
|
|
1782 | |
|
|
1783 | return PerlIOBuf_flush (aTHX_ f); |
|
|
1784 | } |
|
|
1785 | |
|
|
1786 | static PerlIO_funcs PerlIO_cede = |
|
|
1787 | { |
|
|
1788 | sizeof(PerlIO_funcs), |
|
|
1789 | "cede", |
|
|
1790 | sizeof(PerlIOCede), |
|
|
1791 | PERLIO_K_DESTRUCT | PERLIO_K_RAW, |
|
|
1792 | PerlIOCede_pushed, |
|
|
1793 | PerlIOBuf_popped, |
|
|
1794 | PerlIOBuf_open, |
|
|
1795 | PerlIOBase_binmode, |
|
|
1796 | PerlIOCede_getarg, |
|
|
1797 | PerlIOBase_fileno, |
|
|
1798 | PerlIOBuf_dup, |
|
|
1799 | PerlIOBuf_read, |
|
|
1800 | PerlIOBuf_unread, |
|
|
1801 | PerlIOBuf_write, |
|
|
1802 | PerlIOBuf_seek, |
|
|
1803 | PerlIOBuf_tell, |
|
|
1804 | PerlIOBuf_close, |
|
|
1805 | PerlIOCede_flush, |
|
|
1806 | PerlIOBuf_fill, |
|
|
1807 | PerlIOBase_eof, |
|
|
1808 | PerlIOBase_error, |
|
|
1809 | PerlIOBase_clearerr, |
|
|
1810 | PerlIOBase_setlinebuf, |
|
|
1811 | PerlIOBuf_get_base, |
|
|
1812 | PerlIOBuf_bufsiz, |
|
|
1813 | PerlIOBuf_get_ptr, |
|
|
1814 | PerlIOBuf_get_cnt, |
|
|
1815 | PerlIOBuf_set_ptrcnt, |
|
|
1816 | }; |
|
|
1817 | |
|
|
1818 | /*****************************************************************************/ |
|
|
1819 | |
|
|
1820 | static const CV *slf_cv; /* for quick consistency check */ |
|
|
1821 | |
|
|
1822 | static UNOP slf_restore; /* restore stack as entersub did, for first-re-run */ |
|
|
1823 | static SV *slf_arg0; |
|
|
1824 | static SV *slf_arg1; |
|
|
1825 | static SV *slf_arg2; |
|
|
1826 | |
|
|
1827 | /* this restores the stack in the case we patched the entersub, to */ |
|
|
1828 | /* recreate the stack frame as perl will on following calls */ |
|
|
1829 | /* since entersub cleared the stack */ |
|
|
1830 | static OP * |
|
|
1831 | pp_restore (pTHX) |
|
|
1832 | { |
|
|
1833 | dSP; |
|
|
1834 | |
|
|
1835 | PUSHMARK (SP); |
|
|
1836 | |
|
|
1837 | EXTEND (SP, 3); |
|
|
1838 | if (slf_arg0) PUSHs (sv_2mortal (slf_arg0)); |
|
|
1839 | if (slf_arg1) PUSHs (sv_2mortal (slf_arg1)); |
|
|
1840 | if (slf_arg2) PUSHs (sv_2mortal (slf_arg2)); |
|
|
1841 | PUSHs ((SV *)CvGV (slf_cv)); |
|
|
1842 | |
|
|
1843 | RETURNOP (slf_restore.op_first); |
|
|
1844 | } |
|
|
1845 | |
|
|
1846 | static void |
|
|
1847 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
|
|
1848 | { |
|
|
1849 | prepare_set_stacklevel (ta, (struct coro_cctx *)slf_frame.data); |
|
|
1850 | } |
|
|
1851 | |
|
|
1852 | static void |
|
|
1853 | slf_init_set_stacklevel (pTHX_ struct CoroSLF *frame, SV **arg, int items) |
|
|
1854 | { |
|
|
1855 | assert (("FATAL: set_stacklevel needs the coro cctx as sole argument", items == 1)); |
|
|
1856 | |
|
|
1857 | frame->prepare = slf_prepare_set_stacklevel; |
|
|
1858 | frame->check = slf_check_nop; |
|
|
1859 | frame->data = (void *)SvIV (arg [0]); |
|
|
1860 | } |
|
|
1861 | |
|
|
1862 | static void |
|
|
1863 | slf_prepare_transfer (pTHX_ struct coro_transfer_args *ta) |
|
|
1864 | { |
|
|
1865 | SV **arg = (SV **)slf_frame.data; |
|
|
1866 | |
|
|
1867 | prepare_transfer (ta, arg [0], arg [1]); |
|
|
1868 | } |
|
|
1869 | |
|
|
1870 | static void |
|
|
1871 | slf_init_transfer (pTHX_ struct CoroSLF *frame, SV **arg, int items) |
|
|
1872 | { |
|
|
1873 | if (items != 2) |
|
|
1874 | croak ("Coro::State::transfer (prev, next) expects two arguments, not %d,", items); |
|
|
1875 | |
|
|
1876 | frame->prepare = slf_prepare_transfer; |
|
|
1877 | frame->check = slf_check_nop; |
|
|
1878 | frame->data = (void *)arg; /* let's hope it will stay valid */ |
|
|
1879 | } |
|
|
1880 | |
|
|
1881 | static void |
|
|
1882 | slf_init_schedule (pTHX_ struct CoroSLF *frame, SV **arg, int items) |
|
|
1883 | { |
|
|
1884 | frame->prepare = prepare_schedule; |
|
|
1885 | frame->check = slf_check_nop; |
|
|
1886 | } |
|
|
1887 | |
|
|
1888 | static void |
|
|
1889 | slf_init_cede (pTHX_ struct CoroSLF *frame, SV **arg, int items) |
|
|
1890 | { |
|
|
1891 | frame->prepare = prepare_cede; |
|
|
1892 | frame->check = slf_check_nop; |
|
|
1893 | } |
|
|
1894 | |
|
|
1895 | static void |
|
|
1896 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, SV **arg, int items) |
|
|
1897 | { |
|
|
1898 | frame->prepare = prepare_cede_notself; |
|
|
1899 | frame->check = slf_check_nop; |
|
|
1900 | } |
|
|
1901 | |
|
|
1902 | /* we hijack an hopefully unused CV flag for our purposes */ |
|
|
1903 | #define CVf_SLF 0x4000 |
|
|
1904 | |
|
|
1905 | /* |
|
|
1906 | * these not obviously related functions are all rolled into one |
|
|
1907 | * function to increase chances that they all will call transfer with the same |
|
|
1908 | * stack offset |
|
|
1909 | * SLF stands for "schedule-like-function". |
|
|
1910 | */ |
|
|
1911 | static OP * |
|
|
1912 | pp_slf (pTHX) |
|
|
1913 | { |
|
|
1914 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
|
|
1915 | |
|
|
1916 | /* set up the slf frame, unless it has already been set-up */ |
|
|
1917 | /* the latter happens when a new coro has been started */ |
|
|
1918 | /* or when a new cctx was attached to an existing coroutine */ |
|
|
1919 | if (expect_true (!slf_frame.prepare)) |
|
|
1920 | { |
|
|
1921 | /* first iteration */ |
|
|
1922 | dSP; |
|
|
1923 | SV **arg = PL_stack_base + TOPMARK + 1; |
|
|
1924 | int items = SP - arg; /* args without function object */ |
|
|
1925 | SV *gv = *sp; |
|
|
1926 | |
|
|
1927 | /* do a quick consistency check on the "function" object, and if it isn't */ |
|
|
1928 | /* for us, divert to the real entersub */ |
|
|
1929 | if (SvTYPE (gv) != SVt_PVGV || !(CvFLAGS (GvCV (gv)) & CVf_SLF)) |
|
|
1930 | return PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
1931 | |
|
|
1932 | /* pop args */ |
|
|
1933 | SP = PL_stack_base + POPMARK; |
|
|
1934 | |
|
|
1935 | if (!(PL_op->op_flags & OPf_STACKED)) |
|
|
1936 | { |
|
|
1937 | /* ampersand-form of call, use @_ instead of stack */ |
|
|
1938 | AV *av = GvAV (PL_defgv); |
|
|
1939 | arg = AvARRAY (av); |
|
|
1940 | items = AvFILLp (av) + 1; |
|
|
1941 | } |
|
|
1942 | |
|
|
1943 | PUTBACK; |
|
|
1944 | |
|
|
1945 | ((coro_slf_cb)CvXSUBANY (GvCV (gv)).any_ptr) (aTHX_ &slf_frame, arg, items); |
|
|
1946 | } |
|
|
1947 | |
|
|
1948 | /* now interpret the slf_frame */ |
|
|
1949 | /* we use a callback system not to make the code needlessly */ |
|
|
1950 | /* complicated, but so we can run multiple perl coros from one cctx */ |
|
|
1951 | |
|
|
1952 | do |
|
|
1953 | { |
|
|
1954 | struct coro_transfer_args ta; |
|
|
1955 | |
|
|
1956 | slf_frame.prepare (aTHX_ &ta); |
|
|
1957 | TRANSFER (ta, 0); |
|
|
1958 | |
|
|
1959 | checkmark = PL_stack_sp - PL_stack_base; |
|
|
1960 | } |
|
|
1961 | while (slf_frame.check (aTHX_ &slf_frame)); |
|
|
1962 | |
|
|
1963 | { |
|
|
1964 | dSP; |
|
|
1965 | SV **bot = PL_stack_base + checkmark; |
|
|
1966 | int gimme = GIMME_V; |
|
|
1967 | |
|
|
1968 | slf_frame.prepare = 0; /* signal pp_slf that we need a new frame */ |
|
|
1969 | |
|
|
1970 | /* make sure we put something on the stack in scalar context */ |
|
|
1971 | if (gimme == G_SCALAR) |
|
|
1972 | { |
|
|
1973 | if (sp == bot) |
|
|
1974 | XPUSHs (&PL_sv_undef); |
|
|
1975 | |
|
|
1976 | SP = bot + 1; |
|
|
1977 | } |
|
|
1978 | |
|
|
1979 | PUTBACK; |
|
|
1980 | } |
|
|
1981 | |
|
|
1982 | return NORMAL; |
|
|
1983 | } |
|
|
1984 | |
|
|
1985 | static void |
|
|
1986 | api_execute_slf (pTHX_ CV *cv, coro_slf_cb init_cb, SV **arg, int items) |
|
|
1987 | { |
|
|
1988 | assert (("FATAL: SLF call with illegal CV value", !CvANON (cv))); |
|
|
1989 | |
|
|
1990 | if (PL_op->op_ppaddr != PL_ppaddr [OP_ENTERSUB] |
|
|
1991 | && PL_op->op_ppaddr != pp_slf) |
|
|
1992 | croak ("FATAL: Coro SLF calls can only be made normally, not via goto or other means, caught"); |
|
|
1993 | |
|
|
1994 | if (items > 3) |
|
|
1995 | croak ("Coro only supports up to three arguments to SLF functions currently, caught"); |
|
|
1996 | |
|
|
1997 | CvFLAGS (cv) |= CVf_SLF; |
|
|
1998 | CvXSUBANY (cv).any_ptr = (void *)init_cb; |
|
|
1999 | slf_cv = cv; |
|
|
2000 | |
|
|
2001 | /* we patch the op, and then re-run the whole call */ |
|
|
2002 | /* we have to put the same argument on the stack for this to work */ |
|
|
2003 | /* and this will be done by pp_restore */ |
|
|
2004 | slf_restore.op_next = (OP *)&slf_restore; |
|
|
2005 | slf_restore.op_type = OP_NULL; |
|
|
2006 | slf_restore.op_ppaddr = pp_restore; |
|
|
2007 | slf_restore.op_first = PL_op; |
|
|
2008 | |
|
|
2009 | slf_arg0 = items > 0 ? SvREFCNT_inc (arg [0]) : 0; |
|
|
2010 | slf_arg1 = items > 1 ? SvREFCNT_inc (arg [1]) : 0; |
|
|
2011 | slf_arg2 = items > 2 ? SvREFCNT_inc (arg [2]) : 0; |
|
|
2012 | |
|
|
2013 | PL_op->op_ppaddr = pp_slf; |
|
|
2014 | |
|
|
2015 | PL_op = (OP *)&slf_restore; |
|
|
2016 | } |
|
|
2017 | |
1596 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2018 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1597 | |
2019 | |
1598 | PROTOTYPES: DISABLE |
2020 | PROTOTYPES: DISABLE |
1599 | |
2021 | |
1600 | BOOT: |
2022 | BOOT: |
1601 | { |
2023 | { |
1602 | #ifdef USE_ITHREADS |
2024 | #ifdef USE_ITHREADS |
1603 | MUTEX_INIT (&coro_mutex); |
2025 | MUTEX_INIT (&coro_lock); |
|
|
2026 | # if CORO_PTHREAD |
|
|
2027 | coro_thx = PERL_GET_CONTEXT; |
|
|
2028 | # endif |
1604 | #endif |
2029 | #endif |
1605 | BOOT_PAGESIZE; |
2030 | BOOT_PAGESIZE; |
1606 | |
2031 | |
1607 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2032 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1608 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2033 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
1609 | |
2034 | |
1610 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; |
2035 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
1611 | PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2036 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
1612 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; |
2037 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
1613 | PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
|
|
1614 | |
2038 | |
1615 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
2039 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
1616 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
2040 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
1617 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
2041 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
1618 | |
2042 | |
… | |
… | |
1627 | main_top_env = PL_top_env; |
2051 | main_top_env = PL_top_env; |
1628 | |
2052 | |
1629 | while (main_top_env->je_prev) |
2053 | while (main_top_env->je_prev) |
1630 | main_top_env = main_top_env->je_prev; |
2054 | main_top_env = main_top_env->je_prev; |
1631 | |
2055 | |
1632 | coroapi.ver = CORO_API_VERSION; |
2056 | coroapi.ver = CORO_API_VERSION; |
1633 | coroapi.rev = CORO_API_REVISION; |
2057 | coroapi.rev = CORO_API_REVISION; |
|
|
2058 | |
1634 | coroapi.transfer = api_transfer; |
2059 | coroapi.transfer = api_transfer; |
|
|
2060 | |
|
|
2061 | coroapi.sv_state = SvSTATE_; |
|
|
2062 | coroapi.execute_slf = api_execute_slf; |
|
|
2063 | coroapi.prepare_nop = prepare_nop; |
|
|
2064 | coroapi.prepare_schedule = prepare_schedule; |
|
|
2065 | coroapi.prepare_cede = prepare_cede; |
|
|
2066 | coroapi.prepare_cede_notself = prepare_cede_notself; |
|
|
2067 | |
|
|
2068 | { |
|
|
2069 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2070 | |
|
|
2071 | if (!svp) croak ("Time::HiRes is required"); |
|
|
2072 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
2073 | |
|
|
2074 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
2075 | } |
1635 | |
2076 | |
1636 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2077 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1637 | } |
2078 | } |
1638 | |
2079 | |
1639 | SV * |
2080 | SV * |
… | |
… | |
1663 | av_push (coro->args, newSVsv (ST (i))); |
2104 | av_push (coro->args, newSVsv (ST (i))); |
1664 | } |
2105 | } |
1665 | OUTPUT: |
2106 | OUTPUT: |
1666 | RETVAL |
2107 | RETVAL |
1667 | |
2108 | |
1668 | # these not obviously related functions are all rolled into the same xs |
|
|
1669 | # function to increase chances that they all will call transfer with the same |
|
|
1670 | # stack offset |
|
|
1671 | void |
2109 | void |
1672 | _set_stacklevel (...) |
2110 | _set_stacklevel (...) |
1673 | ALIAS: |
2111 | CODE: |
1674 | Coro::State::transfer = 1 |
2112 | api_execute_slf (aTHX_ cv, slf_init_set_stacklevel, &ST (0), items); |
1675 | Coro::schedule = 2 |
|
|
1676 | Coro::cede = 3 |
|
|
1677 | Coro::cede_notself = 4 |
|
|
1678 | CODE: |
|
|
1679 | { |
|
|
1680 | struct transfer_args ta; |
|
|
1681 | |
2113 | |
1682 | PUTBACK; |
2114 | void |
1683 | switch (ix) |
2115 | transfer (...) |
1684 | { |
2116 | CODE: |
1685 | case 0: |
2117 | api_execute_slf (aTHX_ cv, slf_init_transfer, &ST (0), items); |
1686 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
|
|
1687 | ta.next = 0; |
|
|
1688 | break; |
|
|
1689 | |
|
|
1690 | case 1: |
|
|
1691 | if (items != 2) |
|
|
1692 | croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); |
|
|
1693 | |
|
|
1694 | prepare_transfer (aTHX_ &ta, ST (0), ST (1)); |
|
|
1695 | break; |
|
|
1696 | |
|
|
1697 | case 2: |
|
|
1698 | prepare_schedule (aTHX_ &ta); |
|
|
1699 | break; |
|
|
1700 | |
|
|
1701 | case 3: |
|
|
1702 | prepare_cede (aTHX_ &ta); |
|
|
1703 | break; |
|
|
1704 | |
|
|
1705 | case 4: |
|
|
1706 | if (!prepare_cede_notself (aTHX_ &ta)) |
|
|
1707 | XSRETURN_EMPTY; |
|
|
1708 | |
|
|
1709 | break; |
|
|
1710 | } |
|
|
1711 | SPAGAIN; |
|
|
1712 | |
|
|
1713 | BARRIER; |
|
|
1714 | PUTBACK; |
|
|
1715 | TRANSFER (ta, 0); |
|
|
1716 | SPAGAIN; /* might be the sp of a different coroutine now */ |
|
|
1717 | /* be extra careful not to ever do anything after TRANSFER */ |
|
|
1718 | } |
|
|
1719 | |
2118 | |
1720 | bool |
2119 | bool |
1721 | _destroy (SV *coro_sv) |
2120 | _destroy (SV *coro_sv) |
1722 | CODE: |
2121 | CODE: |
1723 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
2122 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
… | |
… | |
1731 | _exit (code); |
2130 | _exit (code); |
1732 | |
2131 | |
1733 | int |
2132 | int |
1734 | cctx_stacksize (int new_stacksize = 0) |
2133 | cctx_stacksize (int new_stacksize = 0) |
1735 | CODE: |
2134 | CODE: |
1736 | RETVAL = coro_stacksize; |
2135 | RETVAL = cctx_stacksize; |
1737 | if (new_stacksize) |
2136 | if (new_stacksize) |
|
|
2137 | { |
1738 | coro_stacksize = new_stacksize; |
2138 | cctx_stacksize = new_stacksize; |
|
|
2139 | ++cctx_gen; |
|
|
2140 | } |
|
|
2141 | OUTPUT: |
|
|
2142 | RETVAL |
|
|
2143 | |
|
|
2144 | int |
|
|
2145 | cctx_max_idle (int max_idle = 0) |
|
|
2146 | CODE: |
|
|
2147 | RETVAL = cctx_max_idle; |
|
|
2148 | if (max_idle > 1) |
|
|
2149 | cctx_max_idle = max_idle; |
1739 | OUTPUT: |
2150 | OUTPUT: |
1740 | RETVAL |
2151 | RETVAL |
1741 | |
2152 | |
1742 | int |
2153 | int |
1743 | cctx_count () |
2154 | cctx_count () |
… | |
… | |
1767 | call (Coro::State coro, SV *coderef) |
2178 | call (Coro::State coro, SV *coderef) |
1768 | ALIAS: |
2179 | ALIAS: |
1769 | eval = 1 |
2180 | eval = 1 |
1770 | CODE: |
2181 | CODE: |
1771 | { |
2182 | { |
1772 | if (coro->mainstack) |
2183 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
1773 | { |
2184 | { |
1774 | struct coro temp; |
2185 | struct coro temp; |
1775 | |
2186 | |
1776 | if (!(coro->flags & CF_RUNNING)) |
2187 | if (!(coro->flags & CF_RUNNING)) |
1777 | { |
2188 | { |
… | |
… | |
1821 | RETVAL = boolSV (coro->flags & ix); |
2232 | RETVAL = boolSV (coro->flags & ix); |
1822 | OUTPUT: |
2233 | OUTPUT: |
1823 | RETVAL |
2234 | RETVAL |
1824 | |
2235 | |
1825 | void |
2236 | void |
|
|
2237 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
2238 | PROTOTYPE: $;$ |
|
|
2239 | CODE: |
|
|
2240 | SvREFCNT_dec (self->throw); |
|
|
2241 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
2242 | |
|
|
2243 | void |
1826 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
2244 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
|
|
2245 | C_ARGS: aTHX_ coro, flags |
1827 | |
2246 | |
1828 | SV * |
2247 | SV * |
1829 | has_cctx (Coro::State coro) |
2248 | has_cctx (Coro::State coro) |
1830 | PROTOTYPE: $ |
2249 | PROTOTYPE: $ |
1831 | CODE: |
2250 | CODE: |
… | |
… | |
1839 | CODE: |
2258 | CODE: |
1840 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
2259 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
1841 | OUTPUT: |
2260 | OUTPUT: |
1842 | RETVAL |
2261 | RETVAL |
1843 | |
2262 | |
1844 | IV |
2263 | UV |
1845 | rss (Coro::State coro) |
2264 | rss (Coro::State coro) |
1846 | PROTOTYPE: $ |
2265 | PROTOTYPE: $ |
1847 | ALIAS: |
2266 | ALIAS: |
1848 | usecount = 1 |
2267 | usecount = 1 |
1849 | CODE: |
2268 | CODE: |
… | |
… | |
1859 | force_cctx () |
2278 | force_cctx () |
1860 | CODE: |
2279 | CODE: |
1861 | struct coro *coro = SvSTATE (coro_current); |
2280 | struct coro *coro = SvSTATE (coro_current); |
1862 | coro->cctx->idle_sp = 0; |
2281 | coro->cctx->idle_sp = 0; |
1863 | |
2282 | |
|
|
2283 | void |
|
|
2284 | swap_defsv (Coro::State self) |
|
|
2285 | PROTOTYPE: $ |
|
|
2286 | ALIAS: |
|
|
2287 | swap_defav = 1 |
|
|
2288 | CODE: |
|
|
2289 | if (!self->slot) |
|
|
2290 | croak ("cannot swap state with coroutine that has no saved state,"); |
|
|
2291 | else |
|
|
2292 | { |
|
|
2293 | SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv); |
|
|
2294 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
|
|
2295 | |
|
|
2296 | SV *tmp = *src; *src = *dst; *dst = tmp; |
|
|
2297 | } |
|
|
2298 | |
1864 | MODULE = Coro::State PACKAGE = Coro |
2299 | MODULE = Coro::State PACKAGE = Coro |
1865 | |
2300 | |
1866 | BOOT: |
2301 | BOOT: |
1867 | { |
2302 | { |
1868 | int i; |
2303 | int i; |
… | |
… | |
1885 | |
2320 | |
1886 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
2321 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1887 | coro_ready[i] = newAV (); |
2322 | coro_ready[i] = newAV (); |
1888 | |
2323 | |
1889 | { |
2324 | { |
1890 | SV *sv = perl_get_sv ("Coro::API", TRUE); |
2325 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
1891 | perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */ |
|
|
1892 | |
2326 | |
1893 | coroapi.schedule = api_schedule; |
2327 | coroapi.schedule = api_schedule; |
1894 | coroapi.cede = api_cede; |
2328 | coroapi.cede = api_cede; |
1895 | coroapi.cede_notself = api_cede_notself; |
2329 | coroapi.cede_notself = api_cede_notself; |
1896 | coroapi.ready = api_ready; |
2330 | coroapi.ready = api_ready; |
1897 | coroapi.is_ready = api_is_ready; |
2331 | coroapi.is_ready = api_is_ready; |
1898 | coroapi.nready = &coro_nready; |
2332 | coroapi.nready = coro_nready; |
1899 | coroapi.current = coro_current; |
2333 | coroapi.current = coro_current; |
1900 | |
2334 | |
1901 | GCoroAPI = &coroapi; |
2335 | GCoroAPI = &coroapi; |
1902 | sv_setiv (sv, (IV)&coroapi); |
2336 | sv_setiv (sv, (IV)&coroapi); |
1903 | SvREADONLY_on (sv); |
2337 | SvREADONLY_on (sv); |
1904 | } |
2338 | } |
1905 | } |
2339 | } |
|
|
2340 | |
|
|
2341 | void |
|
|
2342 | schedule (...) |
|
|
2343 | CODE: |
|
|
2344 | api_execute_slf (aTHX_ cv, slf_init_schedule, &ST (0), items); |
|
|
2345 | |
|
|
2346 | void |
|
|
2347 | cede (...) |
|
|
2348 | CODE: |
|
|
2349 | api_execute_slf (aTHX_ cv, slf_init_cede, &ST (0), items); |
|
|
2350 | |
|
|
2351 | void |
|
|
2352 | cede_notself (...) |
|
|
2353 | CODE: |
|
|
2354 | api_execute_slf (aTHX_ cv, slf_init_cede_notself, &ST (0), items); |
1906 | |
2355 | |
1907 | void |
2356 | void |
1908 | _set_current (SV *current) |
2357 | _set_current (SV *current) |
1909 | PROTOTYPE: $ |
2358 | PROTOTYPE: $ |
1910 | CODE: |
2359 | CODE: |
1911 | SvREFCNT_dec (SvRV (coro_current)); |
2360 | SvREFCNT_dec (SvRV (coro_current)); |
1912 | SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); |
2361 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
1913 | |
2362 | |
1914 | void |
2363 | void |
1915 | _set_readyhook (SV *hook) |
2364 | _set_readyhook (SV *hook) |
1916 | PROTOTYPE: $ |
2365 | PROTOTYPE: $ |
1917 | CODE: |
2366 | CODE: |
… | |
… | |
1944 | |
2393 | |
1945 | SV * |
2394 | SV * |
1946 | ready (SV *self) |
2395 | ready (SV *self) |
1947 | PROTOTYPE: $ |
2396 | PROTOTYPE: $ |
1948 | CODE: |
2397 | CODE: |
1949 | RETVAL = boolSV (api_ready (self)); |
2398 | RETVAL = boolSV (api_ready (aTHX_ self)); |
1950 | OUTPUT: |
2399 | OUTPUT: |
1951 | RETVAL |
2400 | RETVAL |
1952 | |
2401 | |
1953 | int |
2402 | int |
1954 | nready (...) |
2403 | nready (...) |
… | |
… | |
1956 | CODE: |
2405 | CODE: |
1957 | RETVAL = coro_nready; |
2406 | RETVAL = coro_nready; |
1958 | OUTPUT: |
2407 | OUTPUT: |
1959 | RETVAL |
2408 | RETVAL |
1960 | |
2409 | |
1961 | void |
|
|
1962 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
1963 | PROTOTYPE: $;$ |
|
|
1964 | CODE: |
|
|
1965 | SvREFCNT_dec (self->throw); |
|
|
1966 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
1967 | |
|
|
1968 | void |
|
|
1969 | swap_defsv (Coro::State self) |
|
|
1970 | PROTOTYPE: $ |
|
|
1971 | ALIAS: |
|
|
1972 | swap_defav = 1 |
|
|
1973 | CODE: |
|
|
1974 | if (!self->slot) |
|
|
1975 | croak ("cannot swap state with coroutine that has no saved state"); |
|
|
1976 | else |
|
|
1977 | { |
|
|
1978 | SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv); |
|
|
1979 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
|
|
1980 | |
|
|
1981 | SV *tmp = *src; *src = *dst; *dst = tmp; |
|
|
1982 | } |
|
|
1983 | |
|
|
1984 | # for async_pool speedup |
2410 | # for async_pool speedup |
1985 | void |
2411 | void |
1986 | _pool_1 (SV *cb) |
2412 | _pool_1 (SV *cb) |
1987 | CODE: |
2413 | CODE: |
1988 | { |
2414 | { |
… | |
… | |
1993 | AV *invoke_av; |
2419 | AV *invoke_av; |
1994 | int i, len; |
2420 | int i, len; |
1995 | |
2421 | |
1996 | if (!invoke) |
2422 | if (!invoke) |
1997 | { |
2423 | { |
1998 | SvREFCNT_dec (PL_diehook); PL_diehook = 0; |
2424 | SV *old = PL_diehook; |
|
|
2425 | PL_diehook = 0; |
|
|
2426 | SvREFCNT_dec (old); |
1999 | croak ("\3async_pool terminate\2\n"); |
2427 | croak ("\3async_pool terminate\2\n"); |
2000 | } |
2428 | } |
2001 | |
2429 | |
2002 | SvREFCNT_dec (coro->saved_deffh); |
2430 | SvREFCNT_dec (coro->saved_deffh); |
2003 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
2431 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
2004 | |
2432 | |
2005 | hv_store (hv, "desc", sizeof ("desc") - 1, |
2433 | hv_store (hv, "desc", sizeof ("desc") - 1, |
2006 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
2434 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
2007 | |
2435 | |
2008 | invoke_av = (AV *)SvRV (invoke); |
2436 | invoke_av = (AV *)SvRV (invoke); |
… | |
… | |
2012 | |
2440 | |
2013 | if (len > 0) |
2441 | if (len > 0) |
2014 | { |
2442 | { |
2015 | av_fill (defav, len - 1); |
2443 | av_fill (defav, len - 1); |
2016 | for (i = 0; i < len; ++i) |
2444 | for (i = 0; i < len; ++i) |
2017 | av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); |
2445 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
2018 | } |
2446 | } |
2019 | |
2447 | |
2020 | SvREFCNT_dec (invoke); |
2448 | SvREFCNT_dec (invoke); |
2021 | } |
2449 | } |
2022 | |
2450 | |
… | |
… | |
2029 | sv_setsv (cb, &PL_sv_undef); |
2457 | sv_setsv (cb, &PL_sv_undef); |
2030 | |
2458 | |
2031 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2459 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2032 | coro->saved_deffh = 0; |
2460 | coro->saved_deffh = 0; |
2033 | |
2461 | |
2034 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
2462 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2035 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2463 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2036 | { |
2464 | { |
2037 | SvREFCNT_dec (PL_diehook); PL_diehook = 0; |
2465 | SV *old = PL_diehook; |
|
|
2466 | PL_diehook = 0; |
|
|
2467 | SvREFCNT_dec (old); |
2038 | croak ("\3async_pool terminate\2\n"); |
2468 | croak ("\3async_pool terminate\2\n"); |
2039 | } |
2469 | } |
2040 | |
2470 | |
2041 | av_clear (GvAV (PL_defgv)); |
2471 | av_clear (GvAV (PL_defgv)); |
2042 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
2472 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
2043 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
2473 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
2044 | |
2474 | |
2045 | coro->prio = 0; |
2475 | coro->prio = 0; |
2046 | |
2476 | |
2047 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2477 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2048 | api_trace (coro_current, 0); |
2478 | api_trace (aTHX_ coro_current, 0); |
2049 | |
2479 | |
2050 | av_push (av_async_pool, newSVsv (coro_current)); |
2480 | av_push (av_async_pool, newSVsv (coro_current)); |
2051 | } |
2481 | } |
2052 | |
2482 | |
|
|
2483 | #if 0 |
|
|
2484 | |
|
|
2485 | void |
|
|
2486 | _generator_call (...) |
|
|
2487 | PROTOTYPE: @ |
|
|
2488 | PPCODE: |
|
|
2489 | fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr); |
|
|
2490 | xxxx |
|
|
2491 | abort (); |
|
|
2492 | |
|
|
2493 | SV * |
|
|
2494 | gensub (SV *sub, ...) |
|
|
2495 | PROTOTYPE: &;@ |
|
|
2496 | CODE: |
|
|
2497 | { |
|
|
2498 | struct coro *coro; |
|
|
2499 | MAGIC *mg; |
|
|
2500 | CV *xcv; |
|
|
2501 | CV *ncv = (CV *)newSV_type (SVt_PVCV); |
|
|
2502 | int i; |
|
|
2503 | |
|
|
2504 | CvGV (ncv) = CvGV (cv); |
|
|
2505 | CvFILE (ncv) = CvFILE (cv); |
|
|
2506 | |
|
|
2507 | Newz (0, coro, 1, struct coro); |
|
|
2508 | coro->args = newAV (); |
|
|
2509 | coro->flags = CF_NEW; |
|
|
2510 | |
|
|
2511 | av_extend (coro->args, items - 1); |
|
|
2512 | for (i = 1; i < items; i++) |
|
|
2513 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2514 | |
|
|
2515 | CvISXSUB_on (ncv); |
|
|
2516 | CvXSUBANY (ncv).any_ptr = (void *)coro; |
|
|
2517 | |
|
|
2518 | xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV)); |
|
|
2519 | |
|
|
2520 | CvXSUB (ncv) = CvXSUB (xcv); |
|
|
2521 | CvANON_on (ncv); |
|
|
2522 | |
|
|
2523 | mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0); |
|
|
2524 | RETVAL = newRV_noinc ((SV *)ncv); |
|
|
2525 | } |
|
|
2526 | OUTPUT: |
|
|
2527 | RETVAL |
|
|
2528 | |
|
|
2529 | #endif |
|
|
2530 | |
2053 | |
2531 | |
2054 | MODULE = Coro::State PACKAGE = Coro::AIO |
2532 | MODULE = Coro::State PACKAGE = Coro::AIO |
2055 | |
2533 | |
2056 | SV * |
2534 | void |
2057 | _get_state () |
2535 | _get_state (SV *self) |
2058 | CODE: |
2536 | PPCODE: |
2059 | { |
2537 | { |
2060 | struct io_state *data; |
2538 | AV *defav = GvAV (PL_defgv); |
2061 | |
2539 | AV *av = newAV (); |
|
|
2540 | int i; |
2062 | RETVAL = newSV (sizeof (struct io_state)); |
2541 | SV *data_sv = newSV (sizeof (struct io_state)); |
2063 | data = (struct io_state *)SvPVX (RETVAL); |
2542 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
2064 | SvCUR_set (RETVAL, sizeof (struct io_state)); |
2543 | SvCUR_set (data_sv, sizeof (struct io_state)); |
2065 | SvPOK_only (RETVAL); |
2544 | SvPOK_only (data_sv); |
2066 | |
2545 | |
2067 | data->errorno = errno; |
2546 | data->errorno = errno; |
2068 | data->laststype = PL_laststype; |
2547 | data->laststype = PL_laststype; |
2069 | data->laststatval = PL_laststatval; |
2548 | data->laststatval = PL_laststatval; |
2070 | data->statcache = PL_statcache; |
2549 | data->statcache = PL_statcache; |
|
|
2550 | |
|
|
2551 | av_extend (av, AvFILLp (defav) + 1 + 1); |
|
|
2552 | |
|
|
2553 | for (i = 0; i <= AvFILLp (defav); ++i) |
|
|
2554 | av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i])); |
|
|
2555 | |
|
|
2556 | av_push (av, data_sv); |
|
|
2557 | |
|
|
2558 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
2559 | |
|
|
2560 | api_ready (aTHX_ self); |
2071 | } |
2561 | } |
2072 | OUTPUT: |
|
|
2073 | RETVAL |
|
|
2074 | |
2562 | |
2075 | void |
2563 | void |
2076 | _set_state (char *data_) |
2564 | _set_state (SV *state) |
2077 | PROTOTYPE: $ |
2565 | PROTOTYPE: $ |
2078 | CODE: |
2566 | PPCODE: |
2079 | { |
2567 | { |
2080 | struct io_state *data = (void *)data_; |
2568 | AV *av = (AV *)SvRV (state); |
|
|
2569 | struct io_state *data = (struct io_state *)SvPVX (AvARRAY (av)[AvFILLp (av)]); |
|
|
2570 | int i; |
2081 | |
2571 | |
2082 | errno = data->errorno; |
2572 | errno = data->errorno; |
2083 | PL_laststype = data->laststype; |
2573 | PL_laststype = data->laststype; |
2084 | PL_laststatval = data->laststatval; |
2574 | PL_laststatval = data->laststatval; |
2085 | PL_statcache = data->statcache; |
2575 | PL_statcache = data->statcache; |
|
|
2576 | |
|
|
2577 | EXTEND (SP, AvFILLp (av)); |
|
|
2578 | for (i = 0; i < AvFILLp (av); ++i) |
|
|
2579 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i]))); |
2086 | } |
2580 | } |
2087 | |
2581 | |
2088 | |
2582 | |
2089 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
2583 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
2090 | |
2584 | |
… | |
… | |
2096 | PROTOTYPE: @ |
2590 | PROTOTYPE: @ |
2097 | CODE: |
2591 | CODE: |
2098 | { |
2592 | { |
2099 | static int incede; |
2593 | static int incede; |
2100 | |
2594 | |
2101 | api_cede_notself (); |
2595 | api_cede_notself (aTHX); |
2102 | |
2596 | |
2103 | ++incede; |
2597 | ++incede; |
2104 | while (coro_nready >= incede && api_cede ()) |
2598 | while (coro_nready >= incede && api_cede (aTHX)) |
2105 | ; |
2599 | ; |
2106 | |
2600 | |
2107 | sv_setsv (sv_activity, &PL_sv_undef); |
2601 | sv_setsv (sv_activity, &PL_sv_undef); |
2108 | if (coro_nready >= incede) |
2602 | if (coro_nready >= incede) |
2109 | { |
2603 | { |
… | |
… | |
2114 | } |
2608 | } |
2115 | |
2609 | |
2116 | --incede; |
2610 | --incede; |
2117 | } |
2611 | } |
2118 | |
2612 | |
|
|
2613 | |
|
|
2614 | MODULE = Coro::State PACKAGE = PerlIO::cede |
|
|
2615 | |
|
|
2616 | BOOT: |
|
|
2617 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
|
|
2618 | |