… | |
… | |
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" |
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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> |
14 | #include <assert.h> |
15 | #include <assert.h> |
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16 | |
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17 | #ifdef WIN32 |
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18 | # undef setjmp |
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19 | # undef longjmp |
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20 | # undef _exit |
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21 | # define setjmp _setjmp // deep magic, don't ask |
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22 | #else |
15 | #include <inttypes.h> /* portable stdint.h */ |
23 | # include <inttypes.h> /* most portable stdint.h */ |
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24 | #endif |
16 | |
25 | |
17 | #ifdef HAVE_MMAP |
26 | #ifdef HAVE_MMAP |
18 | # include <unistd.h> |
27 | # include <unistd.h> |
19 | # include <sys/mman.h> |
28 | # include <sys/mman.h> |
20 | # ifndef MAP_ANONYMOUS |
29 | # ifndef MAP_ANONYMOUS |
… | |
… | |
43 | #else |
52 | #else |
44 | # define REGISTER_STACK(cctx,start,end) |
53 | # define REGISTER_STACK(cctx,start,end) |
45 | #endif |
54 | #endif |
46 | |
55 | |
47 | /* the maximum number of idle cctx that will be pooled */ |
56 | /* the maximum number of idle cctx that will be pooled */ |
48 | #define MAX_IDLE_CCTX 8 |
57 | static int cctx_max_idle = 4; |
49 | |
58 | |
50 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
59 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
51 | (PERL_REVISION > (a) \ |
60 | (PERL_REVISION > (a) \ |
52 | || (PERL_REVISION == (a) \ |
61 | || (PERL_REVISION == (a) \ |
53 | && (PERL_VERSION > (b) \ |
62 | && (PERL_VERSION > (b) \ |
… | |
… | |
72 | # ifndef IS_PADCONST |
81 | # ifndef IS_PADCONST |
73 | # define IS_PADCONST(v) 0 |
82 | # define IS_PADCONST(v) 0 |
74 | # endif |
83 | # endif |
75 | #endif |
84 | #endif |
76 | |
85 | |
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86 | /* 5.11 */ |
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87 | #ifndef CxHASARGS |
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88 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
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89 | #endif |
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90 | |
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91 | /* 5.10.0 */ |
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92 | #ifndef SvREFCNT_inc_NN |
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93 | # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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94 | #endif |
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95 | |
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96 | /* 5.8.8 */ |
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97 | #ifndef GV_NOTQUAL |
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98 | # define GV_NOTQUAL 0 |
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99 | #endif |
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100 | #ifndef newSV |
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101 | # define newSV(l) NEWSV(0,l) |
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102 | #endif |
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103 | |
77 | /* 5.8.7 */ |
104 | /* 5.8.7 */ |
78 | #ifndef SvRV_set |
105 | #ifndef SvRV_set |
79 | # define SvRV_set(s,v) SvRV(s) = (v) |
106 | # define SvRV_set(s,v) SvRV(s) = (v) |
80 | #endif |
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81 | |
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82 | /* 5.8.8 */ |
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83 | #ifndef GV_NOTQUAL |
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84 | # define GV_NOTQUAL 0 |
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85 | #endif |
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86 | #ifndef newSV |
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87 | # define newSV(l) NEWSV(0,l) |
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88 | #endif |
107 | #endif |
89 | |
108 | |
90 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
109 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
91 | # undef CORO_STACKGUARD |
110 | # undef CORO_STACKGUARD |
92 | #endif |
111 | #endif |
… | |
… | |
123 | #define NOINLINE attribute ((noinline)) |
142 | #define NOINLINE attribute ((noinline)) |
124 | |
143 | |
125 | #include "CoroAPI.h" |
144 | #include "CoroAPI.h" |
126 | |
145 | |
127 | #ifdef USE_ITHREADS |
146 | #ifdef USE_ITHREADS |
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147 | |
128 | static perl_mutex coro_mutex; |
148 | static perl_mutex coro_lock; |
129 | # define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) |
149 | # define LOCK do { MUTEX_LOCK (&coro_lock); } while (0) |
130 | # 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 |
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152 | static void *coro_thx; |
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153 | # endif |
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154 | |
131 | #else |
155 | #else |
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156 | |
132 | # define LOCK (void)0 |
157 | # define LOCK (void)0 |
133 | # define UNLOCK (void)0 |
158 | # define UNLOCK (void)0 |
134 | #endif |
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135 | |
159 | |
136 | #define strpair(const) const, sizeof (const) - 1 |
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 |
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165 | # define UNLOCK (void)0 |
137 | |
166 | |
138 | /* helper storage struct for Coro::AIO */ |
167 | /* helper storage struct for Coro::AIO */ |
139 | struct io_state |
168 | struct io_state |
140 | { |
169 | { |
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170 | AV *res; |
141 | int errorno; |
171 | int errorno; |
142 | I32 laststype; |
172 | I32 laststype; /* U16 in 5.10.0 */ |
143 | int laststatval; |
173 | int laststatval; |
144 | Stat_t statcache; |
174 | Stat_t statcache; |
145 | }; |
175 | }; |
146 | |
176 | |
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177 | static double (*nvtime)(); /* so why doesn't it take void? */ |
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178 | |
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179 | static U32 cctx_gen; |
147 | static size_t coro_stacksize = CORO_STACKSIZE; |
180 | static size_t cctx_stacksize = CORO_STACKSIZE; |
148 | static struct CoroAPI coroapi; |
181 | static struct CoroAPI coroapi; |
149 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
182 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
150 | static JMPENV *main_top_env; |
183 | static JMPENV *main_top_env; |
151 | static HV *coro_state_stash, *coro_stash; |
184 | static HV *coro_state_stash, *coro_stash; |
152 | static SV *coro_mortal; /* will be freed after next transfer */ |
185 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
153 | |
186 | |
154 | static GV *irsgv; /* $/ */ |
187 | static GV *irsgv; /* $/ */ |
155 | static GV *stdoutgv; /* *STDOUT */ |
188 | static GV *stdoutgv; /* *STDOUT */ |
156 | |
189 | static SV *rv_diehook; |
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190 | static SV *rv_warnhook; |
157 | static HV *hv_sig; /* %SIG */ |
191 | static HV *hv_sig; /* %SIG */ |
158 | static SV *sv_diehook; |
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159 | static SV *sv_warnhook; |
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160 | |
192 | |
161 | /* async_pool helper stuff */ |
193 | /* async_pool helper stuff */ |
162 | static SV *sv_pool_rss; |
194 | static SV *sv_pool_rss; |
163 | static SV *sv_pool_size; |
195 | static SV *sv_pool_size; |
164 | static AV *av_async_pool; |
196 | static AV *av_async_pool; |
165 | |
197 | |
166 | static struct coro_cctx *cctx_first[3]; /* index by GIMME_V type, void, scalar, array */ |
198 | /* Coro::AnyEvent */ |
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199 | static SV *sv_activity; |
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200 | |
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201 | static struct coro_cctx *cctx_first; |
167 | static int cctx_count, cctx_idle[3]; |
202 | static int cctx_count, cctx_idle; |
168 | |
203 | |
169 | enum { |
204 | enum { |
170 | CC_MAPPED = 0x01, |
205 | CC_MAPPED = 0x01, |
171 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
206 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
172 | CC_TRACE = 0x04, |
207 | CC_TRACE = 0x04, |
… | |
… | |
187 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
222 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
188 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
223 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
189 | JMPENV *top_env; |
224 | JMPENV *top_env; |
190 | coro_context cctx; |
225 | coro_context cctx; |
191 | |
226 | |
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227 | U32 gen; |
192 | #if CORO_USE_VALGRIND |
228 | #if CORO_USE_VALGRIND |
193 | int valgrind_id; |
229 | int valgrind_id; |
194 | #endif |
230 | #endif |
195 | unsigned char flags; |
231 | unsigned char flags; |
196 | } coro_cctx; |
232 | } coro_cctx; |
… | |
… | |
217 | |
253 | |
218 | /* this is a structure representing a perl-level coroutine */ |
254 | /* this is a structure representing a perl-level coroutine */ |
219 | struct coro { |
255 | struct coro { |
220 | /* the c coroutine allocated to this perl coroutine, if any */ |
256 | /* the c coroutine allocated to this perl coroutine, if any */ |
221 | coro_cctx *cctx; |
257 | coro_cctx *cctx; |
222 | int gimme; |
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223 | |
258 | |
224 | /* process data */ |
259 | /* process data */ |
225 | AV *mainstack; |
260 | AV *mainstack; |
226 | perl_slots *slot; /* basically the saved sp */ |
261 | perl_slots *slot; /* basically the saved sp */ |
227 | |
262 | |
… | |
… | |
256 | #define PRIO_IDLE -3 |
291 | #define PRIO_IDLE -3 |
257 | #define PRIO_MIN -4 |
292 | #define PRIO_MIN -4 |
258 | |
293 | |
259 | /* for Coro.pm */ |
294 | /* for Coro.pm */ |
260 | static SV *coro_current; |
295 | static SV *coro_current; |
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296 | static SV *coro_readyhook; |
261 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
297 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
262 | static int coro_nready; |
298 | static int coro_nready; |
263 | static struct coro *coro_first; |
299 | static struct coro *coro_first; |
264 | |
300 | |
265 | /** lowlevel stuff **********************************************************/ |
301 | /** lowlevel stuff **********************************************************/ |
266 | |
302 | |
267 | static SV * |
303 | static SV * |
268 | coro_get_sv (const char *name, int create) |
304 | coro_get_sv (pTHX_ const char *name, int create) |
269 | { |
305 | { |
270 | #if PERL_VERSION_ATLEAST (5,9,0) |
306 | #if PERL_VERSION_ATLEAST (5,10,0) |
271 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
307 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
272 | get_sv (name, create); |
308 | get_sv (name, create); |
273 | #endif |
309 | #endif |
274 | return get_sv (name, create); |
310 | return get_sv (name, create); |
275 | } |
311 | } |
276 | |
312 | |
277 | static AV * |
313 | static AV * |
278 | coro_get_av (const char *name, int create) |
314 | coro_get_av (pTHX_ const char *name, int create) |
279 | { |
315 | { |
280 | #if PERL_VERSION_ATLEAST (5,9,0) |
316 | #if PERL_VERSION_ATLEAST (5,10,0) |
281 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
317 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
282 | get_av (name, create); |
318 | get_av (name, create); |
283 | #endif |
319 | #endif |
284 | return get_av (name, create); |
320 | return get_av (name, create); |
285 | } |
321 | } |
286 | |
322 | |
287 | static HV * |
323 | static HV * |
288 | coro_get_hv (const char *name, int create) |
324 | coro_get_hv (pTHX_ const char *name, int create) |
289 | { |
325 | { |
290 | #if PERL_VERSION_ATLEAST (5,9,0) |
326 | #if PERL_VERSION_ATLEAST (5,10,0) |
291 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
327 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
292 | get_hv (name, create); |
328 | get_hv (name, create); |
293 | #endif |
329 | #endif |
294 | return get_hv (name, create); |
330 | return get_hv (name, create); |
295 | } |
331 | } |
… | |
… | |
300 | AV *padlist = CvPADLIST (cv); |
336 | AV *padlist = CvPADLIST (cv); |
301 | AV *newpadlist, *newpad; |
337 | AV *newpadlist, *newpad; |
302 | |
338 | |
303 | newpadlist = newAV (); |
339 | newpadlist = newAV (); |
304 | AvREAL_off (newpadlist); |
340 | AvREAL_off (newpadlist); |
305 | #if PERL_VERSION_ATLEAST (5,9,0) |
341 | #if PERL_VERSION_ATLEAST (5,10,0) |
306 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
342 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
307 | #else |
343 | #else |
308 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
344 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
309 | #endif |
345 | #endif |
310 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
346 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
311 | --AvFILLp (padlist); |
347 | --AvFILLp (padlist); |
312 | |
348 | |
313 | av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE))); |
349 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
314 | av_store (newpadlist, 1, (SV *)newpad); |
350 | av_store (newpadlist, 1, (SV *)newpad); |
315 | |
351 | |
316 | return newpadlist; |
352 | return newpadlist; |
317 | } |
353 | } |
318 | |
354 | |
… | |
… | |
348 | |
384 | |
349 | /* casting is fun. */ |
385 | /* casting is fun. */ |
350 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
386 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
351 | free_padlist (aTHX_ padlist); |
387 | free_padlist (aTHX_ padlist); |
352 | |
388 | |
353 | SvREFCNT_dec (av); |
389 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
354 | |
390 | |
355 | return 0; |
391 | return 0; |
356 | } |
392 | } |
357 | |
393 | |
358 | #define PERL_MAGIC_coro PERL_MAGIC_ext |
394 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
|
|
395 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
359 | |
396 | |
360 | static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; |
397 | static MGVTBL coro_cv_vtbl = { |
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398 | 0, 0, 0, 0, |
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399 | coro_cv_free |
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|
400 | }; |
361 | |
401 | |
362 | #define CORO_MAGIC(cv) \ |
402 | #define CORO_MAGIC(sv, type) \ |
363 | SvMAGIC (cv) \ |
403 | SvMAGIC (sv) \ |
364 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
404 | ? SvMAGIC (sv)->mg_type == type \ |
365 | ? SvMAGIC (cv) \ |
405 | ? SvMAGIC (sv) \ |
366 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
406 | : mg_find (sv, type) \ |
367 | : 0 |
407 | : 0 |
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|
408 | |
|
|
409 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
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|
410 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
368 | |
411 | |
369 | static struct coro * |
412 | static struct coro * |
370 | SvSTATE_ (pTHX_ SV *coro) |
413 | SvSTATE_ (pTHX_ SV *coro) |
371 | { |
414 | { |
372 | HV *stash; |
415 | HV *stash; |
… | |
… | |
384 | /* very slow, but rare, check */ |
427 | /* very slow, but rare, check */ |
385 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
428 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
386 | croak ("Coro::State object required"); |
429 | croak ("Coro::State object required"); |
387 | } |
430 | } |
388 | |
431 | |
389 | mg = CORO_MAGIC (coro); |
432 | mg = CORO_MAGIC_state (coro); |
390 | return (struct coro *)mg->mg_ptr; |
433 | return (struct coro *)mg->mg_ptr; |
391 | } |
434 | } |
392 | |
435 | |
393 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
436 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
394 | |
437 | |
395 | /* the next two functions merely cache the padlists */ |
438 | /* the next two functions merely cache the padlists */ |
396 | static void |
439 | static void |
397 | get_padlist (pTHX_ CV *cv) |
440 | get_padlist (pTHX_ CV *cv) |
398 | { |
441 | { |
399 | MAGIC *mg = CORO_MAGIC (cv); |
442 | MAGIC *mg = CORO_MAGIC_cv (cv); |
400 | AV *av; |
443 | AV *av; |
401 | |
444 | |
402 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
445 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
403 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
446 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
404 | else |
447 | else |
405 | { |
448 | { |
406 | #if CORO_PREFER_PERL_FUNCTIONS |
449 | #if CORO_PREFER_PERL_FUNCTIONS |
407 | /* this is probably cleaner, but also slower? */ |
450 | /* this is probably cleaner? but also slower! */ |
|
|
451 | /* in practise, it seems to be less stable */ |
408 | CV *cp = Perl_cv_clone (cv); |
452 | CV *cp = Perl_cv_clone (cv); |
409 | CvPADLIST (cv) = CvPADLIST (cp); |
453 | CvPADLIST (cv) = CvPADLIST (cp); |
410 | CvPADLIST (cp) = 0; |
454 | CvPADLIST (cp) = 0; |
411 | SvREFCNT_dec (cp); |
455 | SvREFCNT_dec (cp); |
412 | #else |
456 | #else |
… | |
… | |
416 | } |
460 | } |
417 | |
461 | |
418 | static void |
462 | static void |
419 | put_padlist (pTHX_ CV *cv) |
463 | put_padlist (pTHX_ CV *cv) |
420 | { |
464 | { |
421 | MAGIC *mg = CORO_MAGIC (cv); |
465 | MAGIC *mg = CORO_MAGIC_cv (cv); |
422 | AV *av; |
466 | AV *av; |
423 | |
467 | |
424 | if (expect_false (!mg)) |
468 | if (expect_false (!mg)) |
425 | { |
469 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
426 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
|
|
427 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
|
|
428 | mg->mg_virtual = &vtbl_coro; |
|
|
429 | mg->mg_obj = (SV *)newAV (); |
|
|
430 | } |
|
|
431 | |
470 | |
432 | av = (AV *)mg->mg_obj; |
471 | av = (AV *)mg->mg_obj; |
433 | |
472 | |
434 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
473 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
435 | av_extend (av, AvMAX (av) + 1); |
474 | av_extend (av, AvMAX (av) + 1); |
… | |
… | |
453 | GvSV (irsgv) = slot->irsgv; |
492 | GvSV (irsgv) = slot->irsgv; |
454 | |
493 | |
455 | #define VAR(name,type) PL_ ## name = slot->name; |
494 | #define VAR(name,type) PL_ ## name = slot->name; |
456 | # include "state.h" |
495 | # include "state.h" |
457 | #undef VAR |
496 | #undef VAR |
458 | |
|
|
459 | /*hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);*/ |
|
|
460 | /*hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);*/ |
|
|
461 | |
497 | |
462 | { |
498 | { |
463 | dSP; |
499 | dSP; |
464 | |
500 | |
465 | CV *cv; |
501 | CV *cv; |
… | |
… | |
504 | |
540 | |
505 | if (expect_true (CvDEPTH (cv))) |
541 | if (expect_true (CvDEPTH (cv))) |
506 | { |
542 | { |
507 | EXTEND (SP, 3); |
543 | EXTEND (SP, 3); |
508 | PUSHs ((SV *)CvPADLIST (cv)); |
544 | PUSHs ((SV *)CvPADLIST (cv)); |
509 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
545 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
510 | PUSHs ((SV *)cv); |
546 | PUSHs ((SV *)cv); |
511 | |
547 | |
512 | CvDEPTH (cv) = 0; |
548 | CvDEPTH (cv) = 0; |
513 | get_padlist (aTHX_ cv); |
549 | get_padlist (aTHX_ cv); |
514 | } |
550 | } |
… | |
… | |
594 | |
630 | |
595 | New(54,PL_savestack,24,ANY); |
631 | New(54,PL_savestack,24,ANY); |
596 | PL_savestack_ix = 0; |
632 | PL_savestack_ix = 0; |
597 | PL_savestack_max = 24; |
633 | PL_savestack_max = 24; |
598 | |
634 | |
599 | #if !PERL_VERSION_ATLEAST (5,9,0) |
635 | #if !PERL_VERSION_ATLEAST (5,10,0) |
600 | New(54,PL_retstack,4,OP*); |
636 | New(54,PL_retstack,4,OP*); |
601 | PL_retstack_ix = 0; |
637 | PL_retstack_ix = 0; |
602 | PL_retstack_max = 4; |
638 | PL_retstack_max = 4; |
603 | #endif |
639 | #endif |
604 | } |
640 | } |
… | |
… | |
606 | |
642 | |
607 | /* |
643 | /* |
608 | * destroy the stacks, the callchain etc... |
644 | * destroy the stacks, the callchain etc... |
609 | */ |
645 | */ |
610 | static void |
646 | static void |
611 | coro_destroy_stacks (pTHX) |
647 | coro_destruct_stacks (pTHX) |
612 | { |
648 | { |
613 | while (PL_curstackinfo->si_next) |
649 | while (PL_curstackinfo->si_next) |
614 | PL_curstackinfo = PL_curstackinfo->si_next; |
650 | PL_curstackinfo = PL_curstackinfo->si_next; |
615 | |
651 | |
616 | while (PL_curstackinfo) |
652 | while (PL_curstackinfo) |
… | |
… | |
627 | |
663 | |
628 | Safefree (PL_tmps_stack); |
664 | Safefree (PL_tmps_stack); |
629 | Safefree (PL_markstack); |
665 | Safefree (PL_markstack); |
630 | Safefree (PL_scopestack); |
666 | Safefree (PL_scopestack); |
631 | Safefree (PL_savestack); |
667 | Safefree (PL_savestack); |
632 | #if !PERL_VERSION_ATLEAST (5,9,0) |
668 | #if !PERL_VERSION_ATLEAST (5,10,0) |
633 | Safefree (PL_retstack); |
669 | Safefree (PL_retstack); |
634 | #endif |
670 | #endif |
635 | } |
671 | } |
636 | |
672 | |
637 | static size_t |
673 | static size_t |
… | |
… | |
653 | #undef VAR |
689 | #undef VAR |
654 | } |
690 | } |
655 | else |
691 | else |
656 | slot = coro->slot; |
692 | slot = coro->slot; |
657 | |
693 | |
|
|
694 | if (slot) |
|
|
695 | { |
658 | rss += sizeof (slot->curstackinfo); |
696 | rss += sizeof (slot->curstackinfo); |
659 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
697 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
660 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
698 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
661 | rss += slot->tmps_max * sizeof (SV *); |
699 | rss += slot->tmps_max * sizeof (SV *); |
662 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
700 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
663 | rss += slot->scopestack_max * sizeof (I32); |
701 | rss += slot->scopestack_max * sizeof (I32); |
664 | rss += slot->savestack_max * sizeof (ANY); |
702 | rss += slot->savestack_max * sizeof (ANY); |
665 | |
703 | |
666 | #if !PERL_VERSION_ATLEAST (5,9,0) |
704 | #if !PERL_VERSION_ATLEAST (5,10,0) |
667 | rss += slot->retstack_max * sizeof (OP *); |
705 | rss += slot->retstack_max * sizeof (OP *); |
668 | #endif |
706 | #endif |
|
|
707 | } |
669 | } |
708 | } |
670 | |
709 | |
671 | return rss; |
710 | return rss; |
672 | } |
711 | } |
673 | |
712 | |
674 | /** coroutine stack handling ************************************************/ |
713 | /** coroutine stack handling ************************************************/ |
|
|
714 | |
|
|
715 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
716 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
717 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
718 | |
|
|
719 | /* apparently < 5.8.8 */ |
|
|
720 | #ifndef MgPV_nolen_const |
|
|
721 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
|
|
722 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
|
|
723 | (const char*)(mg)->mg_ptr) |
|
|
724 | #endif |
|
|
725 | |
|
|
726 | /* |
|
|
727 | * This overrides the default magic get method of %SIG elements. |
|
|
728 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
|
|
729 | * and instead of tryign to save and restore the hash elements, we just provide |
|
|
730 | * readback here. |
|
|
731 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
732 | * not expecting this to actually change the hook. This is a potential problem |
|
|
733 | * when a schedule happens then, but we ignore this. |
|
|
734 | */ |
|
|
735 | static int |
|
|
736 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
|
|
737 | { |
|
|
738 | const char *s = MgPV_nolen_const (mg); |
|
|
739 | |
|
|
740 | if (*s == '_') |
|
|
741 | { |
|
|
742 | SV **svp = 0; |
|
|
743 | |
|
|
744 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
745 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
746 | |
|
|
747 | if (svp) |
|
|
748 | { |
|
|
749 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
|
|
750 | return 0; |
|
|
751 | } |
|
|
752 | } |
|
|
753 | |
|
|
754 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
|
|
755 | } |
|
|
756 | |
|
|
757 | static int |
|
|
758 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
|
|
759 | { |
|
|
760 | const char *s = MgPV_nolen_const (mg); |
|
|
761 | |
|
|
762 | if (*s == '_') |
|
|
763 | { |
|
|
764 | SV **svp = 0; |
|
|
765 | |
|
|
766 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
767 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
768 | |
|
|
769 | if (svp) |
|
|
770 | { |
|
|
771 | SV *old = *svp; |
|
|
772 | *svp = 0; |
|
|
773 | SvREFCNT_dec (old); |
|
|
774 | return 0; |
|
|
775 | } |
|
|
776 | } |
|
|
777 | |
|
|
778 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
779 | } |
|
|
780 | |
|
|
781 | static int |
|
|
782 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
|
|
783 | { |
|
|
784 | const char *s = MgPV_nolen_const (mg); |
|
|
785 | |
|
|
786 | if (*s == '_') |
|
|
787 | { |
|
|
788 | SV **svp = 0; |
|
|
789 | |
|
|
790 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
791 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
792 | |
|
|
793 | if (svp) |
|
|
794 | { |
|
|
795 | SV *old = *svp; |
|
|
796 | *svp = newSVsv (sv); |
|
|
797 | SvREFCNT_dec (old); |
|
|
798 | return 0; |
|
|
799 | } |
|
|
800 | } |
|
|
801 | |
|
|
802 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
803 | } |
675 | |
804 | |
676 | static void |
805 | static void |
677 | coro_setup (pTHX_ struct coro *coro) |
806 | coro_setup (pTHX_ struct coro *coro) |
678 | { |
807 | { |
679 | /* |
808 | /* |
… | |
… | |
688 | PL_curpm = 0; |
817 | PL_curpm = 0; |
689 | PL_curpad = 0; |
818 | PL_curpad = 0; |
690 | PL_localizing = 0; |
819 | PL_localizing = 0; |
691 | PL_dirty = 0; |
820 | PL_dirty = 0; |
692 | PL_restartop = 0; |
821 | PL_restartop = 0; |
693 | PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); |
822 | #if PERL_VERSION_ATLEAST (5,10,0) |
694 | PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0); |
823 | PL_parser = 0; |
|
|
824 | #endif |
|
|
825 | |
|
|
826 | /* recreate the die/warn hooks */ |
|
|
827 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
|
|
828 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
695 | |
829 | |
696 | GvSV (PL_defgv) = newSV (0); |
830 | GvSV (PL_defgv) = newSV (0); |
697 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
831 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
698 | GvSV (PL_errgv) = newSV (0); |
832 | GvSV (PL_errgv) = newSV (0); |
699 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
833 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
700 | PL_rs = newSVsv (GvSV (irsgv)); |
834 | PL_rs = newSVsv (GvSV (irsgv)); |
701 | PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv); |
835 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
702 | |
836 | |
703 | { |
837 | { |
704 | dSP; |
838 | dSP; |
705 | LOGOP myop; |
839 | LOGOP myop; |
706 | |
840 | |
… | |
… | |
712 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
846 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
713 | PUTBACK; |
847 | PUTBACK; |
714 | PL_op = (OP *)&myop; |
848 | PL_op = (OP *)&myop; |
715 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
849 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
716 | SPAGAIN; |
850 | SPAGAIN; |
717 | |
|
|
718 | /* |
|
|
719 | * now its very tricky. the "tail" of the next transfer might end up |
|
|
720 | * either in a new cctx, or an existing one. |
|
|
721 | * in case of an existing one we have to take care of whatever |
|
|
722 | * entersub and transfer do to the perl stack. |
|
|
723 | */ |
|
|
724 | ENTER; |
|
|
725 | EXTEND (SP, 4); |
|
|
726 | PUSHs ((SV *)0); /* items */ |
|
|
727 | PUSHs ((SV *)0); /* ix, set_stacklevel */ |
|
|
728 | PUSHs ((SV *)(sp - PL_stack_base + 1)); /* ax */ |
|
|
729 | PUSHs ((SV *)0); /* again */ |
|
|
730 | PUTBACK; |
|
|
731 | } |
851 | } |
|
|
852 | |
|
|
853 | /* this newly created coroutine might be run on an existing cctx which most |
|
|
854 | * likely was suspended in set_stacklevel, called from entersub. |
|
|
855 | * set_stacklevl doesn't do anything on return, but entersub does LEAVE, |
|
|
856 | * so we ENTER here for symmetry |
|
|
857 | */ |
|
|
858 | ENTER; |
732 | } |
859 | } |
733 | |
860 | |
734 | static void |
861 | static void |
735 | coro_destroy (pTHX_ struct coro *coro) |
862 | coro_destruct (pTHX_ struct coro *coro) |
736 | { |
863 | { |
737 | if (!IN_DESTRUCT) |
864 | if (!IN_DESTRUCT) |
738 | { |
865 | { |
739 | /* restore all saved variables and stuff */ |
866 | /* restore all saved variables and stuff */ |
740 | LEAVE_SCOPE (0); |
867 | LEAVE_SCOPE (0); |
… | |
… | |
762 | SvREFCNT_dec (PL_warnhook); |
889 | SvREFCNT_dec (PL_warnhook); |
763 | |
890 | |
764 | SvREFCNT_dec (coro->saved_deffh); |
891 | SvREFCNT_dec (coro->saved_deffh); |
765 | SvREFCNT_dec (coro->throw); |
892 | SvREFCNT_dec (coro->throw); |
766 | |
893 | |
767 | coro_destroy_stacks (aTHX); |
894 | coro_destruct_stacks (aTHX); |
768 | } |
895 | } |
769 | |
896 | |
770 | static void |
897 | static void |
771 | free_coro_mortal (pTHX) |
898 | free_coro_mortal (pTHX) |
772 | { |
899 | { |
… | |
… | |
809 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
936 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
810 | : bot; |
937 | : bot; |
811 | |
938 | |
812 | av_extend (av, top - bot); |
939 | av_extend (av, top - bot); |
813 | while (bot < top) |
940 | while (bot < top) |
814 | av_push (av, SvREFCNT_inc (*bot++)); |
941 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
815 | |
942 | |
816 | PL_runops = RUNOPS_DEFAULT; |
943 | PL_runops = RUNOPS_DEFAULT; |
817 | ENTER; |
944 | ENTER; |
818 | SAVETMPS; |
945 | SAVETMPS; |
819 | EXTEND (SP, 3); |
946 | EXTEND (SP, 3); |
820 | PUSHMARK (SP); |
947 | PUSHMARK (SP); |
821 | PUSHs (&PL_sv_no); |
948 | PUSHs (&PL_sv_no); |
822 | PUSHs (fullname); |
949 | PUSHs (fullname); |
823 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
950 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
824 | PUTBACK; |
951 | PUTBACK; |
825 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); |
952 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
826 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
953 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
827 | SPAGAIN; |
954 | SPAGAIN; |
828 | FREETMPS; |
955 | FREETMPS; |
829 | LEAVE; |
956 | LEAVE; |
830 | PL_runops = runops_trace; |
957 | PL_runops = runops_trace; |
… | |
… | |
857 | SAVETMPS; |
984 | SAVETMPS; |
858 | EXTEND (SP, 3); |
985 | EXTEND (SP, 3); |
859 | PUSHMARK (SP); |
986 | PUSHMARK (SP); |
860 | PUSHs (&PL_sv_yes); |
987 | PUSHs (&PL_sv_yes); |
861 | PUSHs (fullname); |
988 | PUSHs (fullname); |
862 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
989 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
863 | PUTBACK; |
990 | PUTBACK; |
864 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); |
991 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
865 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
992 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
866 | SPAGAIN; |
993 | SPAGAIN; |
867 | FREETMPS; |
994 | FREETMPS; |
868 | LEAVE; |
995 | LEAVE; |
869 | PL_runops = runops_trace; |
996 | PL_runops = runops_trace; |
… | |
… | |
883 | PL_runops = RUNOPS_DEFAULT; |
1010 | PL_runops = RUNOPS_DEFAULT; |
884 | PUSHMARK (SP); |
1011 | PUSHMARK (SP); |
885 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
1012 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
886 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
1013 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
887 | PUTBACK; |
1014 | PUTBACK; |
888 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0); |
1015 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
889 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1016 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
890 | SPAGAIN; |
1017 | SPAGAIN; |
891 | FREETMPS; |
1018 | FREETMPS; |
892 | LEAVE; |
1019 | LEAVE; |
893 | PL_runops = runops_trace; |
1020 | PL_runops = runops_trace; |
… | |
… | |
933 | * this is a _very_ stripped down perl interpreter ;) |
1060 | * this is a _very_ stripped down perl interpreter ;) |
934 | */ |
1061 | */ |
935 | static void |
1062 | static void |
936 | cctx_run (void *arg) |
1063 | cctx_run (void *arg) |
937 | { |
1064 | { |
|
|
1065 | #ifdef USE_ITHREADS |
|
|
1066 | # if CORO_PTHREAD |
|
|
1067 | PERL_SET_CONTEXT (coro_thx); |
|
|
1068 | # endif |
|
|
1069 | #endif |
|
|
1070 | { |
938 | dTHX; |
1071 | dTHX; |
939 | |
1072 | |
940 | /* cctx_run is the alternative tail of transfer(), so unlock here. */ |
1073 | /* cctx_run is the alternative tail of transfer(), so unlock here. */ |
941 | UNLOCK; |
1074 | UNLOCK; |
942 | |
1075 | |
943 | /* we now skip the entersub that lead to transfer() */ |
1076 | /* we now skip the entersub that lead to transfer() */ |
944 | PL_op = PL_op->op_next; |
1077 | PL_op = PL_op->op_next; |
945 | |
1078 | |
946 | /* inject a fake subroutine call to cctx_init */ |
1079 | /* inject a fake subroutine call to cctx_init */ |
947 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1080 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
948 | |
1081 | |
949 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1082 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
950 | PL_restartop = PL_op; |
1083 | PL_restartop = PL_op; |
951 | perl_run (PL_curinterp); |
1084 | perl_run (PL_curinterp); |
952 | |
1085 | |
953 | /* |
1086 | /* |
954 | * If perl-run returns we assume exit() was being called or the coro |
1087 | * If perl-run returns we assume exit() was being called or the coro |
955 | * fell off the end, which seems to be the only valid (non-bug) |
1088 | * fell off the end, which seems to be the only valid (non-bug) |
956 | * reason for perl_run to return. We try to exit by jumping to the |
1089 | * reason for perl_run to return. We try to exit by jumping to the |
957 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1090 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
958 | * coroutine as Coro has no such concept |
1091 | * coroutine as Coro has no such concept |
959 | */ |
1092 | */ |
960 | PL_top_env = main_top_env; |
1093 | PL_top_env = main_top_env; |
961 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1094 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1095 | } |
962 | } |
1096 | } |
963 | |
1097 | |
964 | static coro_cctx * |
1098 | static coro_cctx * |
965 | cctx_new () |
1099 | cctx_new () |
966 | { |
1100 | { |
967 | coro_cctx *cctx; |
1101 | coro_cctx *cctx; |
|
|
1102 | |
|
|
1103 | ++cctx_count; |
|
|
1104 | New (0, cctx, 1, coro_cctx); |
|
|
1105 | |
|
|
1106 | cctx->gen = cctx_gen; |
|
|
1107 | cctx->flags = 0; |
|
|
1108 | |
|
|
1109 | return cctx; |
|
|
1110 | } |
|
|
1111 | |
|
|
1112 | /* create a new cctx only suitable as source */ |
|
|
1113 | static coro_cctx * |
|
|
1114 | cctx_new_empty () |
|
|
1115 | { |
|
|
1116 | coro_cctx *cctx = cctx_new (); |
|
|
1117 | |
|
|
1118 | cctx->sptr = 0; |
|
|
1119 | cctx->idle_sp = 0; /* should never be a valid address */ |
|
|
1120 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
|
|
1121 | |
|
|
1122 | return cctx; |
|
|
1123 | } |
|
|
1124 | |
|
|
1125 | /* create a new cctx suitable as destination/running a perl interpreter */ |
|
|
1126 | static coro_cctx * |
|
|
1127 | cctx_new_run () |
|
|
1128 | { |
|
|
1129 | coro_cctx *cctx = cctx_new (); |
968 | void *stack_start; |
1130 | void *stack_start; |
969 | size_t stack_size; |
1131 | size_t stack_size; |
970 | |
1132 | |
971 | ++cctx_count; |
|
|
972 | |
|
|
973 | Newz (0, cctx, 1, coro_cctx); |
|
|
974 | |
|
|
975 | #if HAVE_MMAP |
1133 | #if HAVE_MMAP |
976 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1134 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
977 | /* mmap supposedly does allocate-on-write for us */ |
1135 | /* mmap supposedly does allocate-on-write for us */ |
978 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1136 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
979 | |
1137 | |
980 | if (cctx->sptr != (void *)-1) |
1138 | if (cctx->sptr != (void *)-1) |
981 | { |
1139 | { |
… | |
… | |
987 | cctx->flags |= CC_MAPPED; |
1145 | cctx->flags |= CC_MAPPED; |
988 | } |
1146 | } |
989 | else |
1147 | else |
990 | #endif |
1148 | #endif |
991 | { |
1149 | { |
992 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
1150 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
993 | New (0, cctx->sptr, coro_stacksize, long); |
1151 | New (0, cctx->sptr, cctx_stacksize, long); |
994 | |
1152 | |
995 | if (!cctx->sptr) |
1153 | if (!cctx->sptr) |
996 | { |
1154 | { |
997 | perror ("FATAL: unable to allocate stack for coroutine"); |
1155 | perror ("FATAL: unable to allocate stack for coroutine"); |
998 | _exit (EXIT_FAILURE); |
1156 | _exit (EXIT_FAILURE); |
… | |
… | |
1013 | { |
1171 | { |
1014 | if (!cctx) |
1172 | if (!cctx) |
1015 | return; |
1173 | return; |
1016 | |
1174 | |
1017 | --cctx_count; |
1175 | --cctx_count; |
|
|
1176 | coro_destroy (&cctx->cctx); |
1018 | |
1177 | |
|
|
1178 | /* coro_transfer creates new, empty cctx's */ |
|
|
1179 | if (cctx->sptr) |
|
|
1180 | { |
1019 | #if CORO_USE_VALGRIND |
1181 | #if CORO_USE_VALGRIND |
1020 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
1182 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
1021 | #endif |
1183 | #endif |
1022 | |
1184 | |
1023 | #if HAVE_MMAP |
1185 | #if HAVE_MMAP |
1024 | if (cctx->flags & CC_MAPPED) |
1186 | if (cctx->flags & CC_MAPPED) |
1025 | munmap (cctx->sptr, cctx->ssize); |
1187 | munmap (cctx->sptr, cctx->ssize); |
1026 | else |
1188 | else |
1027 | #endif |
1189 | #endif |
1028 | Safefree (cctx->sptr); |
1190 | Safefree (cctx->sptr); |
|
|
1191 | } |
1029 | |
1192 | |
1030 | Safefree (cctx); |
1193 | Safefree (cctx); |
1031 | } |
1194 | } |
1032 | |
1195 | |
1033 | /* wether this cctx should be destructed */ |
1196 | /* wether this cctx should be destructed */ |
1034 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
1197 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1035 | |
1198 | |
1036 | static coro_cctx * |
1199 | static coro_cctx * |
1037 | cctx_get (pTHX_ int gimme) |
1200 | cctx_get (pTHX) |
1038 | { |
1201 | { |
1039 | while (expect_true (cctx_first[gimme])) |
1202 | while (expect_true (cctx_first)) |
1040 | { |
1203 | { |
1041 | coro_cctx *cctx = cctx_first[gimme]; |
1204 | coro_cctx *cctx = cctx_first; |
1042 | cctx_first[gimme] = cctx->next; |
1205 | cctx_first = cctx->next; |
1043 | --cctx_idle[gimme]; |
1206 | --cctx_idle; |
1044 | |
1207 | |
1045 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1208 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1046 | return cctx; |
1209 | return cctx; |
1047 | |
1210 | |
1048 | cctx_destroy (cctx); |
1211 | cctx_destroy (cctx); |
1049 | } |
1212 | } |
1050 | |
1213 | |
1051 | assert (!gimme); |
|
|
1052 | return cctx_new (); |
1214 | return cctx_new_run (); |
1053 | } |
1215 | } |
1054 | |
1216 | |
1055 | static void |
1217 | static void |
1056 | cctx_put (coro_cctx *cctx, int gimme) |
1218 | cctx_put (coro_cctx *cctx) |
1057 | { |
1219 | { |
|
|
1220 | assert (("cctx_put called on non-initialised cctx", cctx->sptr)); |
|
|
1221 | |
1058 | /* free another cctx if overlimit */ |
1222 | /* free another cctx if overlimit */ |
1059 | if (expect_false (cctx_idle[gimme] >= MAX_IDLE_CCTX)) |
1223 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1060 | { |
1224 | { |
1061 | coro_cctx *first = cctx_first[gimme]; |
1225 | coro_cctx *first = cctx_first; |
1062 | cctx_first[gimme] = first->next; |
1226 | cctx_first = first->next; |
1063 | --cctx_idle[gimme]; |
1227 | --cctx_idle; |
1064 | |
1228 | |
1065 | cctx_destroy (first); |
1229 | cctx_destroy (first); |
1066 | } |
1230 | } |
1067 | |
1231 | |
1068 | ++cctx_idle[gimme]; |
1232 | ++cctx_idle; |
1069 | cctx->next = cctx_first[gimme]; |
1233 | cctx->next = cctx_first; |
1070 | cctx_first[gimme] = cctx; |
1234 | cctx_first = cctx; |
1071 | } |
1235 | } |
1072 | |
1236 | |
1073 | /** coroutine switching *****************************************************/ |
1237 | /** coroutine switching *****************************************************/ |
1074 | |
1238 | |
1075 | static void |
1239 | static void |
… | |
… | |
1084 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1248 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1085 | |
1249 | |
1086 | if (expect_false (next->flags & CF_DESTROYED)) |
1250 | if (expect_false (next->flags & CF_DESTROYED)) |
1087 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1251 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1088 | |
1252 | |
1089 | if ( |
|
|
1090 | #if PERL_VERSION_ATLEAST (5,9,0) |
1253 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1091 | expect_false (PL_parser) |
|
|
1092 | #else |
|
|
1093 | expect_false (PL_lex_state != LEX_NOTPARSING) |
1254 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1094 | #endif |
|
|
1095 | ) |
|
|
1096 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
1255 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version"); |
|
|
1256 | #endif |
1097 | } |
1257 | } |
1098 | } |
1258 | } |
1099 | |
1259 | |
1100 | /* always use the TRANSFER macro */ |
1260 | /* always use the TRANSFER macro */ |
1101 | static void NOINLINE |
1261 | static void NOINLINE |
1102 | transfer (pTHX_ struct coro *prev, struct coro *next) |
1262 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1103 | { |
1263 | { |
1104 | dSTACKLEVEL; |
1264 | dSTACKLEVEL; |
1105 | |
1265 | |
1106 | /* sometimes transfer is only called to set idle_sp */ |
1266 | /* sometimes transfer is only called to set idle_sp */ |
1107 | if (expect_false (!next)) |
1267 | if (expect_false (!next)) |
… | |
… | |
1109 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1269 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1110 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1270 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1111 | } |
1271 | } |
1112 | else if (expect_true (prev != next)) |
1272 | else if (expect_true (prev != next)) |
1113 | { |
1273 | { |
|
|
1274 | static volatile int has_throw; |
1114 | coro_cctx *prev__cctx; |
1275 | coro_cctx *prev__cctx; |
1115 | |
1276 | |
1116 | if (expect_false (prev->flags & CF_NEW)) |
1277 | if (expect_false (prev->flags & CF_NEW)) |
1117 | { |
1278 | { |
1118 | /* create a new empty context */ |
1279 | /* create a new empty/source context */ |
1119 | Newz (0, prev->cctx, 1, coro_cctx); |
1280 | prev->cctx = cctx_new_empty (); |
1120 | prev->flags &= ~CF_NEW; |
1281 | prev->flags &= ~CF_NEW; |
1121 | prev->flags |= CF_RUNNING; |
1282 | prev->flags |= CF_RUNNING; |
1122 | } |
1283 | } |
1123 | |
1284 | |
1124 | prev->flags &= ~CF_RUNNING; |
1285 | prev->flags &= ~CF_RUNNING; |
1125 | next->flags |= CF_RUNNING; |
1286 | next->flags |= CF_RUNNING; |
1126 | |
1287 | |
1127 | LOCK; |
1288 | LOCK; |
|
|
1289 | |
|
|
1290 | /* first get rid of the old state */ |
|
|
1291 | save_perl (aTHX_ prev); |
1128 | |
1292 | |
1129 | if (expect_false (next->flags & CF_NEW)) |
1293 | if (expect_false (next->flags & CF_NEW)) |
1130 | { |
1294 | { |
1131 | /* need to start coroutine */ |
1295 | /* need to start coroutine */ |
1132 | next->flags &= ~CF_NEW; |
1296 | next->flags &= ~CF_NEW; |
1133 | /* first get rid of the old state */ |
|
|
1134 | save_perl (aTHX_ prev); |
|
|
1135 | /* setup coroutine call */ |
1297 | /* setup coroutine call */ |
1136 | coro_setup (aTHX_ next); |
1298 | coro_setup (aTHX_ next); |
1137 | } |
1299 | } |
1138 | else |
1300 | else |
1139 | { |
|
|
1140 | /* coroutine already started */ |
|
|
1141 | save_perl (aTHX_ prev); |
|
|
1142 | load_perl (aTHX_ next); |
1301 | load_perl (aTHX_ next); |
1143 | } |
|
|
1144 | |
1302 | |
1145 | prev__cctx = prev->cctx; |
1303 | prev__cctx = prev->cctx; |
1146 | |
1304 | |
1147 | /* possibly "free" the cctx */ |
1305 | /* possibly "free" the cctx */ |
1148 | if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) |
1306 | if (expect_true ( |
|
|
1307 | prev__cctx->idle_sp == STACKLEVEL |
|
|
1308 | && !(prev__cctx->flags & CC_TRACE) |
|
|
1309 | && !force_cctx |
|
|
1310 | )) |
1149 | { |
1311 | { |
1150 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1312 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1151 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1313 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1152 | |
1314 | |
1153 | prev->cctx = 0; |
1315 | prev->cctx = 0; |
1154 | |
1316 | |
1155 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1317 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1156 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1318 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1157 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1319 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1158 | if (!next->cctx) |
1320 | if (!next->cctx) |
1159 | next->cctx = cctx_get (aTHX_ next->gimme); |
1321 | next->cctx = cctx_get (aTHX); |
1160 | |
1322 | |
1161 | cctx_put (prev__cctx, prev->gimme); |
1323 | cctx_put (prev__cctx); |
1162 | } |
1324 | } |
1163 | |
1325 | |
1164 | ++next->usecount; |
1326 | ++next->usecount; |
1165 | |
1327 | |
1166 | if (expect_true (!next->cctx)) |
1328 | if (expect_true (!next->cctx)) |
1167 | next->cctx = cctx_get (aTHX_ next->gimme); |
1329 | next->cctx = cctx_get (aTHX); |
|
|
1330 | |
|
|
1331 | has_throw = !!next->throw; |
1168 | |
1332 | |
1169 | if (expect_false (prev__cctx != next->cctx)) |
1333 | if (expect_false (prev__cctx != next->cctx)) |
1170 | { |
1334 | { |
1171 | prev__cctx->top_env = PL_top_env; |
1335 | prev__cctx->top_env = PL_top_env; |
1172 | PL_top_env = next->cctx->top_env; |
1336 | PL_top_env = next->cctx->top_env; |
… | |
… | |
1174 | } |
1338 | } |
1175 | |
1339 | |
1176 | free_coro_mortal (aTHX); |
1340 | free_coro_mortal (aTHX); |
1177 | UNLOCK; |
1341 | UNLOCK; |
1178 | |
1342 | |
1179 | if (expect_false (prev->throw || next->throw)) |
1343 | if (expect_false (has_throw)) |
1180 | { |
1344 | { |
1181 | struct coro *coro = SvSTATE (coro_current); |
1345 | struct coro *coro = SvSTATE (coro_current); |
1182 | |
1346 | |
1183 | if (coro->throw) |
1347 | if (coro->throw) |
1184 | { |
1348 | { |
… | |
… | |
1194 | struct transfer_args |
1358 | struct transfer_args |
1195 | { |
1359 | { |
1196 | struct coro *prev, *next; |
1360 | struct coro *prev, *next; |
1197 | }; |
1361 | }; |
1198 | |
1362 | |
1199 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
1363 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1200 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1364 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1201 | |
1365 | |
1202 | /** high level stuff ********************************************************/ |
1366 | /** high level stuff ********************************************************/ |
1203 | |
1367 | |
1204 | static int |
1368 | static int |
… | |
… | |
1228 | croak ("FATAL: tried to destroy currently running coroutine"); |
1392 | croak ("FATAL: tried to destroy currently running coroutine"); |
1229 | |
1393 | |
1230 | save_perl (aTHX_ &temp); |
1394 | save_perl (aTHX_ &temp); |
1231 | load_perl (aTHX_ coro); |
1395 | load_perl (aTHX_ coro); |
1232 | |
1396 | |
1233 | coro_destroy (aTHX_ coro); |
1397 | coro_destruct (aTHX_ coro); |
1234 | |
1398 | |
1235 | load_perl (aTHX_ &temp); |
1399 | load_perl (aTHX_ &temp); |
1236 | |
1400 | |
1237 | coro->slot = 0; |
1401 | coro->slot = 0; |
1238 | } |
1402 | } |
… | |
… | |
1298 | { |
1462 | { |
1299 | dTHX; |
1463 | dTHX; |
1300 | struct transfer_args ta; |
1464 | struct transfer_args ta; |
1301 | |
1465 | |
1302 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1466 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1303 | TRANSFER (ta); |
1467 | TRANSFER (ta, 1); |
1304 | } |
1468 | } |
1305 | |
1469 | |
1306 | /** Coro ********************************************************************/ |
1470 | /** Coro ********************************************************************/ |
1307 | |
1471 | |
1308 | static void |
1472 | static void |
… | |
… | |
1310 | { |
1474 | { |
1311 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1475 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1312 | } |
1476 | } |
1313 | |
1477 | |
1314 | static SV * |
1478 | static SV * |
1315 | coro_deq (pTHX_ int min_prio) |
1479 | coro_deq (pTHX) |
1316 | { |
1480 | { |
1317 | int prio = PRIO_MAX - PRIO_MIN; |
1481 | int prio; |
1318 | |
1482 | |
1319 | min_prio -= PRIO_MIN; |
|
|
1320 | if (min_prio < 0) |
|
|
1321 | min_prio = 0; |
|
|
1322 | |
|
|
1323 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) |
1483 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1324 | if (AvFILLp (coro_ready [prio]) >= 0) |
1484 | if (AvFILLp (coro_ready [prio]) >= 0) |
1325 | return av_shift (coro_ready [prio]); |
1485 | return av_shift (coro_ready [prio]); |
1326 | |
1486 | |
1327 | return 0; |
1487 | return 0; |
1328 | } |
1488 | } |
… | |
… | |
1330 | static int |
1490 | static int |
1331 | api_ready (SV *coro_sv) |
1491 | api_ready (SV *coro_sv) |
1332 | { |
1492 | { |
1333 | dTHX; |
1493 | dTHX; |
1334 | struct coro *coro; |
1494 | struct coro *coro; |
|
|
1495 | SV *sv_hook; |
|
|
1496 | void (*xs_hook)(void); |
1335 | |
1497 | |
1336 | if (SvROK (coro_sv)) |
1498 | if (SvROK (coro_sv)) |
1337 | coro_sv = SvRV (coro_sv); |
1499 | coro_sv = SvRV (coro_sv); |
1338 | |
1500 | |
1339 | coro = SvSTATE (coro_sv); |
1501 | coro = SvSTATE (coro_sv); |
… | |
… | |
1342 | return 0; |
1504 | return 0; |
1343 | |
1505 | |
1344 | coro->flags |= CF_READY; |
1506 | coro->flags |= CF_READY; |
1345 | |
1507 | |
1346 | LOCK; |
1508 | LOCK; |
|
|
1509 | |
|
|
1510 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1511 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1512 | |
1347 | coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); |
1513 | coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv)); |
1348 | ++coro_nready; |
1514 | ++coro_nready; |
|
|
1515 | |
1349 | UNLOCK; |
1516 | UNLOCK; |
|
|
1517 | |
|
|
1518 | if (sv_hook) |
|
|
1519 | { |
|
|
1520 | dSP; |
|
|
1521 | |
|
|
1522 | ENTER; |
|
|
1523 | SAVETMPS; |
|
|
1524 | |
|
|
1525 | PUSHMARK (SP); |
|
|
1526 | PUTBACK; |
|
|
1527 | call_sv (sv_hook, G_DISCARD); |
|
|
1528 | SPAGAIN; |
|
|
1529 | |
|
|
1530 | FREETMPS; |
|
|
1531 | LEAVE; |
|
|
1532 | } |
|
|
1533 | |
|
|
1534 | if (xs_hook) |
|
|
1535 | xs_hook (); |
1350 | |
1536 | |
1351 | return 1; |
1537 | return 1; |
1352 | } |
1538 | } |
1353 | |
1539 | |
1354 | static int |
1540 | static int |
… | |
… | |
1364 | SV *prev_sv, *next_sv; |
1550 | SV *prev_sv, *next_sv; |
1365 | |
1551 | |
1366 | for (;;) |
1552 | for (;;) |
1367 | { |
1553 | { |
1368 | LOCK; |
1554 | LOCK; |
1369 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1555 | next_sv = coro_deq (aTHX); |
1370 | |
1556 | |
1371 | /* nothing to schedule: call the idle handler */ |
1557 | /* nothing to schedule: call the idle handler */ |
1372 | if (expect_false (!next_sv)) |
1558 | if (expect_false (!next_sv)) |
1373 | { |
1559 | { |
1374 | dSP; |
1560 | dSP; |
… | |
… | |
1378 | SAVETMPS; |
1564 | SAVETMPS; |
1379 | |
1565 | |
1380 | PUSHMARK (SP); |
1566 | PUSHMARK (SP); |
1381 | PUTBACK; |
1567 | PUTBACK; |
1382 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
1568 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
|
|
1569 | SPAGAIN; |
1383 | |
1570 | |
1384 | FREETMPS; |
1571 | FREETMPS; |
1385 | LEAVE; |
1572 | LEAVE; |
1386 | continue; |
1573 | continue; |
1387 | } |
1574 | } |
… | |
… | |
1442 | { |
1629 | { |
1443 | dTHX; |
1630 | dTHX; |
1444 | struct transfer_args ta; |
1631 | struct transfer_args ta; |
1445 | |
1632 | |
1446 | prepare_schedule (aTHX_ &ta); |
1633 | prepare_schedule (aTHX_ &ta); |
1447 | TRANSFER (ta); |
1634 | TRANSFER (ta, 1); |
1448 | } |
1635 | } |
1449 | |
1636 | |
1450 | static int |
1637 | static int |
1451 | api_cede (void) |
1638 | api_cede (void) |
1452 | { |
1639 | { |
… | |
… | |
1455 | |
1642 | |
1456 | prepare_cede (aTHX_ &ta); |
1643 | prepare_cede (aTHX_ &ta); |
1457 | |
1644 | |
1458 | if (expect_true (ta.prev != ta.next)) |
1645 | if (expect_true (ta.prev != ta.next)) |
1459 | { |
1646 | { |
1460 | TRANSFER (ta); |
1647 | TRANSFER (ta, 1); |
1461 | return 1; |
1648 | return 1; |
1462 | } |
1649 | } |
1463 | else |
1650 | else |
1464 | return 0; |
1651 | return 0; |
1465 | } |
1652 | } |
… | |
… | |
1470 | dTHX; |
1657 | dTHX; |
1471 | struct transfer_args ta; |
1658 | struct transfer_args ta; |
1472 | |
1659 | |
1473 | if (prepare_cede_notself (aTHX_ &ta)) |
1660 | if (prepare_cede_notself (aTHX_ &ta)) |
1474 | { |
1661 | { |
1475 | TRANSFER (ta); |
1662 | TRANSFER (ta, 1); |
1476 | return 1; |
1663 | return 1; |
1477 | } |
1664 | } |
1478 | else |
1665 | else |
1479 | return 0; |
1666 | return 0; |
1480 | } |
1667 | } |
… | |
… | |
1486 | struct coro *coro = SvSTATE (coro_sv); |
1673 | struct coro *coro = SvSTATE (coro_sv); |
1487 | |
1674 | |
1488 | if (flags & CC_TRACE) |
1675 | if (flags & CC_TRACE) |
1489 | { |
1676 | { |
1490 | if (!coro->cctx) |
1677 | if (!coro->cctx) |
1491 | coro->cctx = cctx_new (); |
1678 | coro->cctx = cctx_new_run (); |
1492 | else if (!(coro->cctx->flags & CC_TRACE)) |
1679 | else if (!(coro->cctx->flags & CC_TRACE)) |
1493 | croak ("cannot enable tracing on coroutine with custom stack"); |
1680 | croak ("cannot enable tracing on coroutine with custom stack"); |
1494 | |
1681 | |
1495 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1682 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1496 | } |
1683 | } |
… | |
… | |
1503 | else |
1690 | else |
1504 | coro->slot->runops = RUNOPS_DEFAULT; |
1691 | coro->slot->runops = RUNOPS_DEFAULT; |
1505 | } |
1692 | } |
1506 | } |
1693 | } |
1507 | |
1694 | |
|
|
1695 | #if 0 |
|
|
1696 | static int |
|
|
1697 | coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
1698 | { |
|
|
1699 | AV *padlist; |
|
|
1700 | AV *av = (AV *)mg->mg_obj; |
|
|
1701 | |
|
|
1702 | abort (); |
|
|
1703 | |
|
|
1704 | return 0; |
|
|
1705 | } |
|
|
1706 | |
|
|
1707 | static MGVTBL coro_gensub_vtbl = { |
|
|
1708 | 0, 0, 0, 0, |
|
|
1709 | coro_gensub_free |
|
|
1710 | }; |
|
|
1711 | #endif |
|
|
1712 | |
|
|
1713 | /*****************************************************************************/ |
|
|
1714 | /* PerlIO::cede */ |
|
|
1715 | |
|
|
1716 | typedef struct |
|
|
1717 | { |
|
|
1718 | PerlIOBuf base; |
|
|
1719 | NV next, every; |
|
|
1720 | } PerlIOCede; |
|
|
1721 | |
|
|
1722 | static IV |
|
|
1723 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
|
|
1724 | { |
|
|
1725 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1726 | |
|
|
1727 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
|
|
1728 | self->next = nvtime () + self->every; |
|
|
1729 | |
|
|
1730 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
|
|
1731 | } |
|
|
1732 | |
|
|
1733 | static SV * |
|
|
1734 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
|
|
1735 | { |
|
|
1736 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1737 | |
|
|
1738 | return newSVnv (self->every); |
|
|
1739 | } |
|
|
1740 | |
|
|
1741 | static IV |
|
|
1742 | PerlIOCede_flush (pTHX_ PerlIO *f) |
|
|
1743 | { |
|
|
1744 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1745 | double now = nvtime (); |
|
|
1746 | |
|
|
1747 | if (now >= self->next) |
|
|
1748 | { |
|
|
1749 | api_cede (); |
|
|
1750 | self->next = now + self->every; |
|
|
1751 | } |
|
|
1752 | |
|
|
1753 | return PerlIOBuf_flush (aTHX_ f); |
|
|
1754 | } |
|
|
1755 | |
|
|
1756 | static PerlIO_funcs PerlIO_cede = |
|
|
1757 | { |
|
|
1758 | sizeof(PerlIO_funcs), |
|
|
1759 | "cede", |
|
|
1760 | sizeof(PerlIOCede), |
|
|
1761 | PERLIO_K_DESTRUCT | PERLIO_K_RAW, |
|
|
1762 | PerlIOCede_pushed, |
|
|
1763 | PerlIOBuf_popped, |
|
|
1764 | PerlIOBuf_open, |
|
|
1765 | PerlIOBase_binmode, |
|
|
1766 | PerlIOCede_getarg, |
|
|
1767 | PerlIOBase_fileno, |
|
|
1768 | PerlIOBuf_dup, |
|
|
1769 | PerlIOBuf_read, |
|
|
1770 | PerlIOBuf_unread, |
|
|
1771 | PerlIOBuf_write, |
|
|
1772 | PerlIOBuf_seek, |
|
|
1773 | PerlIOBuf_tell, |
|
|
1774 | PerlIOBuf_close, |
|
|
1775 | PerlIOCede_flush, |
|
|
1776 | PerlIOBuf_fill, |
|
|
1777 | PerlIOBase_eof, |
|
|
1778 | PerlIOBase_error, |
|
|
1779 | PerlIOBase_clearerr, |
|
|
1780 | PerlIOBase_setlinebuf, |
|
|
1781 | PerlIOBuf_get_base, |
|
|
1782 | PerlIOBuf_bufsiz, |
|
|
1783 | PerlIOBuf_get_ptr, |
|
|
1784 | PerlIOBuf_get_cnt, |
|
|
1785 | PerlIOBuf_set_ptrcnt, |
|
|
1786 | }; |
|
|
1787 | |
|
|
1788 | |
1508 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1789 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1509 | |
1790 | |
1510 | PROTOTYPES: DISABLE |
1791 | PROTOTYPES: DISABLE |
1511 | |
1792 | |
1512 | BOOT: |
1793 | BOOT: |
1513 | { |
1794 | { |
1514 | #ifdef USE_ITHREADS |
1795 | #ifdef USE_ITHREADS |
1515 | MUTEX_INIT (&coro_mutex); |
1796 | MUTEX_INIT (&coro_lock); |
|
|
1797 | # if CORO_PTHREAD |
|
|
1798 | coro_thx = PERL_GET_CONTEXT; |
|
|
1799 | # endif |
1516 | #endif |
1800 | #endif |
1517 | BOOT_PAGESIZE; |
1801 | BOOT_PAGESIZE; |
1518 | |
1802 | |
1519 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1803 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1520 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
1804 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
1521 | |
1805 | |
|
|
1806 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
|
|
1807 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
|
|
1808 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
|
|
1809 | |
1522 | hv_sig = coro_get_hv ("SIG", TRUE); |
1810 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
1523 | sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE); |
1811 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
1524 | sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE); |
1812 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
1525 | |
|
|
1526 | if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); |
|
|
1527 | if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0); |
|
|
1528 | |
1813 | |
1529 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1814 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1530 | |
1815 | |
1531 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1816 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1532 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1817 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
… | |
… | |
1537 | main_top_env = PL_top_env; |
1822 | main_top_env = PL_top_env; |
1538 | |
1823 | |
1539 | while (main_top_env->je_prev) |
1824 | while (main_top_env->je_prev) |
1540 | main_top_env = main_top_env->je_prev; |
1825 | main_top_env = main_top_env->je_prev; |
1541 | |
1826 | |
1542 | coroapi.ver = CORO_API_VERSION; |
1827 | coroapi.ver = CORO_API_VERSION; |
|
|
1828 | coroapi.rev = CORO_API_REVISION; |
1543 | coroapi.transfer = api_transfer; |
1829 | coroapi.transfer = api_transfer; |
|
|
1830 | |
|
|
1831 | { |
|
|
1832 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
1833 | |
|
|
1834 | if (!svp) croak ("Time::HiRes is required"); |
|
|
1835 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
1836 | |
|
|
1837 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
1838 | } |
1544 | |
1839 | |
1545 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1840 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1546 | } |
1841 | } |
1547 | |
1842 | |
1548 | SV * |
1843 | SV * |
1549 | new (char *klass, ...) |
1844 | new (char *klass, ...) |
1550 | CODE: |
1845 | CODE: |
1551 | { |
1846 | { |
1552 | struct coro *coro; |
1847 | struct coro *coro; |
|
|
1848 | MAGIC *mg; |
1553 | HV *hv; |
1849 | HV *hv; |
1554 | int i; |
1850 | int i; |
1555 | |
1851 | |
1556 | Newz (0, coro, 1, struct coro); |
1852 | Newz (0, coro, 1, struct coro); |
1557 | coro->args = newAV (); |
1853 | coro->args = newAV (); |
… | |
… | |
1560 | if (coro_first) coro_first->prev = coro; |
1856 | if (coro_first) coro_first->prev = coro; |
1561 | coro->next = coro_first; |
1857 | coro->next = coro_first; |
1562 | coro_first = coro; |
1858 | coro_first = coro; |
1563 | |
1859 | |
1564 | coro->hv = hv = newHV (); |
1860 | coro->hv = hv = newHV (); |
1565 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1861 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
1862 | mg->mg_flags |= MGf_DUP; |
1566 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1863 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1567 | |
1864 | |
1568 | av_extend (coro->args, items - 1); |
1865 | av_extend (coro->args, items - 1); |
1569 | for (i = 1; i < items; i++) |
1866 | for (i = 1; i < items; i++) |
1570 | av_push (coro->args, newSVsv (ST (i))); |
1867 | av_push (coro->args, newSVsv (ST (i))); |
… | |
… | |
1576 | # function to increase chances that they all will call transfer with the same |
1873 | # function to increase chances that they all will call transfer with the same |
1577 | # stack offset |
1874 | # stack offset |
1578 | void |
1875 | void |
1579 | _set_stacklevel (...) |
1876 | _set_stacklevel (...) |
1580 | ALIAS: |
1877 | ALIAS: |
1581 | Coro::State::transfer = 1 |
1878 | Coro::State::transfer = 1 |
1582 | Coro::schedule = 2 |
1879 | Coro::schedule = 2 |
1583 | Coro::cede = 3 |
1880 | Coro::cede = 3 |
1584 | Coro::cede_notself = 4 |
1881 | Coro::cede_notself = 4 |
1585 | Coro::Event::next = 5 |
|
|
1586 | Coro::Event::next_cancel = 6 |
|
|
1587 | PPCODE: |
1882 | CODE: |
1588 | { |
1883 | { |
1589 | struct transfer_args ta; |
1884 | struct transfer_args ta; |
1590 | int again = 0; |
|
|
1591 | |
1885 | |
1592 | do |
1886 | PUTBACK; |
|
|
1887 | switch (ix) |
1593 | { |
1888 | { |
1594 | switch (ix) |
|
|
1595 | { |
|
|
1596 | case 0: |
1889 | case 0: |
1597 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1890 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1598 | ta.next = 0; |
1891 | ta.next = 0; |
1599 | break; |
1892 | break; |
1600 | |
1893 | |
1601 | case 1: |
1894 | case 1: |
1602 | if (items != 2) |
1895 | if (items != 2) |
1603 | croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); |
1896 | croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items); |
1604 | |
1897 | |
1605 | prepare_transfer (aTHX_ &ta, ST(0), ST(1)); |
1898 | prepare_transfer (aTHX_ &ta, ST (0), ST (1)); |
1606 | break; |
1899 | break; |
1607 | |
1900 | |
1608 | case 2: |
1901 | case 2: |
1609 | prepare_schedule (aTHX_ &ta); |
1902 | prepare_schedule (aTHX_ &ta); |
1610 | break; |
1903 | break; |
1611 | |
1904 | |
1612 | case 3: |
1905 | case 3: |
1613 | prepare_cede (aTHX_ &ta); |
1906 | prepare_cede (aTHX_ &ta); |
1614 | break; |
1907 | break; |
1615 | |
1908 | |
1616 | case 4: |
1909 | case 4: |
1617 | if (!prepare_cede_notself (aTHX_ &ta)) |
1910 | if (!prepare_cede_notself (aTHX_ &ta)) |
1618 | XSRETURN_EMPTY; |
1911 | XSRETURN_EMPTY; |
1619 | |
1912 | |
1620 | break; |
1913 | break; |
1621 | |
|
|
1622 | case 5: |
|
|
1623 | case 6: |
|
|
1624 | if (items != 1) |
|
|
1625 | croak ("Coro::Event::next (watcher) expects one argument, not %d", items); |
|
|
1626 | |
|
|
1627 | { |
|
|
1628 | SV *ev = coroapi.coro_event_next (ST (0), ix == 6, GIMME_V != G_VOID); |
|
|
1629 | |
|
|
1630 | if (ev) |
|
|
1631 | { |
|
|
1632 | if (GIMME_V != G_VOID) |
|
|
1633 | { |
|
|
1634 | XPUSHs (ev); |
|
|
1635 | XSRETURN (1); |
|
|
1636 | } |
|
|
1637 | else |
|
|
1638 | XSRETURN_EMPTY; |
|
|
1639 | } |
|
|
1640 | } |
|
|
1641 | |
|
|
1642 | prepare_schedule (aTHX_ &ta); |
|
|
1643 | again = 1; |
|
|
1644 | break; |
|
|
1645 | } |
|
|
1646 | |
|
|
1647 | /* our caller, entersub, caches *only* this value */ |
|
|
1648 | ta.prev->gimme = GIMME_V == G_VOID ? 0 |
|
|
1649 | : GIMME_V == G_SCALAR ? 1 |
|
|
1650 | : 2; |
|
|
1651 | |
|
|
1652 | /* we need to save all local variables, as we might execute a different coroutine when transfer returns */ |
|
|
1653 | sp += 2; /* save args */ |
|
|
1654 | EXTEND (SP, 4); |
|
|
1655 | PUSHs ((SV *)(intptr_t)items); |
|
|
1656 | PUSHs ((SV *)(intptr_t)ix); |
|
|
1657 | PUSHs ((SV *)(intptr_t)ax); |
|
|
1658 | PUSHs ((SV *)(intptr_t)again); |
|
|
1659 | PUTBACK; |
|
|
1660 | BARRIER; |
|
|
1661 | TRANSFER (ta); |
|
|
1662 | BARRIER; |
|
|
1663 | SPAGAIN; |
|
|
1664 | again = (intptr_t)POPs; |
|
|
1665 | ax = (intptr_t)POPs; |
|
|
1666 | ix = (intptr_t)POPs; |
|
|
1667 | items = (intptr_t)POPs; |
|
|
1668 | sp -= 2; /* restore args */ |
|
|
1669 | } |
1914 | } |
1670 | while (again); |
1915 | SPAGAIN; |
1671 | |
1916 | |
1672 | if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev)) |
1917 | BARRIER; |
1673 | XSRETURN_YES; |
1918 | PUTBACK; |
1674 | |
1919 | TRANSFER (ta, 0); |
1675 | XSRETURN_EMPTY; /* not understood why this is necessary, likely some stack handling bug */ |
1920 | SPAGAIN; /* might be the sp of a different coroutine now */ |
|
|
1921 | /* be extra careful not to ever do anything after TRANSFER */ |
1676 | } |
1922 | } |
1677 | |
1923 | |
1678 | bool |
1924 | bool |
1679 | _destroy (SV *coro_sv) |
1925 | _destroy (SV *coro_sv) |
1680 | CODE: |
1926 | CODE: |
1681 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1927 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1682 | OUTPUT: |
1928 | OUTPUT: |
1683 | RETVAL |
1929 | RETVAL |
1684 | |
1930 | |
1685 | void |
1931 | void |
1686 | _exit (code) |
1932 | _exit (int code) |
1687 | int code |
|
|
1688 | PROTOTYPE: $ |
1933 | PROTOTYPE: $ |
1689 | CODE: |
1934 | CODE: |
1690 | _exit (code); |
1935 | _exit (code); |
1691 | |
1936 | |
1692 | int |
1937 | int |
1693 | cctx_stacksize (int new_stacksize = 0) |
1938 | cctx_stacksize (int new_stacksize = 0) |
1694 | CODE: |
1939 | CODE: |
1695 | RETVAL = coro_stacksize; |
1940 | RETVAL = cctx_stacksize; |
1696 | if (new_stacksize) |
1941 | if (new_stacksize) |
|
|
1942 | { |
1697 | coro_stacksize = new_stacksize; |
1943 | cctx_stacksize = new_stacksize; |
|
|
1944 | ++cctx_gen; |
|
|
1945 | } |
|
|
1946 | OUTPUT: |
|
|
1947 | RETVAL |
|
|
1948 | |
|
|
1949 | int |
|
|
1950 | cctx_max_idle (int max_idle = 0) |
|
|
1951 | CODE: |
|
|
1952 | RETVAL = cctx_max_idle; |
|
|
1953 | if (max_idle > 1) |
|
|
1954 | cctx_max_idle = max_idle; |
1698 | OUTPUT: |
1955 | OUTPUT: |
1699 | RETVAL |
1956 | RETVAL |
1700 | |
1957 | |
1701 | int |
1958 | int |
1702 | cctx_count () |
1959 | cctx_count () |
… | |
… | |
1706 | RETVAL |
1963 | RETVAL |
1707 | |
1964 | |
1708 | int |
1965 | int |
1709 | cctx_idle () |
1966 | cctx_idle () |
1710 | CODE: |
1967 | CODE: |
1711 | RETVAL = cctx_idle[0] + cctx_idle[1] + cctx_idle[2]; |
1968 | RETVAL = cctx_idle; |
1712 | OUTPUT: |
1969 | OUTPUT: |
1713 | RETVAL |
1970 | RETVAL |
1714 | |
1971 | |
1715 | void |
1972 | void |
1716 | list () |
1973 | list () |
… | |
… | |
1726 | call (Coro::State coro, SV *coderef) |
1983 | call (Coro::State coro, SV *coderef) |
1727 | ALIAS: |
1984 | ALIAS: |
1728 | eval = 1 |
1985 | eval = 1 |
1729 | CODE: |
1986 | CODE: |
1730 | { |
1987 | { |
1731 | if (coro->mainstack) |
1988 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
1732 | { |
1989 | { |
1733 | struct coro temp; |
1990 | struct coro temp; |
1734 | |
1991 | |
1735 | if (!(coro->flags & CF_RUNNING)) |
1992 | if (!(coro->flags & CF_RUNNING)) |
1736 | { |
1993 | { |
|
|
1994 | PUTBACK; |
1737 | save_perl (aTHX_ &temp); |
1995 | save_perl (aTHX_ &temp); |
1738 | load_perl (aTHX_ coro); |
1996 | load_perl (aTHX_ coro); |
1739 | } |
1997 | } |
1740 | |
1998 | |
1741 | { |
1999 | { |
… | |
… | |
1750 | eval_sv (coderef, 0); |
2008 | eval_sv (coderef, 0); |
1751 | else |
2009 | else |
1752 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2010 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1753 | |
2011 | |
1754 | POPSTACK; |
2012 | POPSTACK; |
|
|
2013 | SPAGAIN; |
1755 | FREETMPS; |
2014 | FREETMPS; |
1756 | LEAVE; |
2015 | LEAVE; |
|
|
2016 | PUTBACK; |
1757 | } |
2017 | } |
1758 | |
2018 | |
1759 | if (!(coro->flags & CF_RUNNING)) |
2019 | if (!(coro->flags & CF_RUNNING)) |
1760 | { |
2020 | { |
1761 | save_perl (aTHX_ coro); |
2021 | save_perl (aTHX_ coro); |
1762 | load_perl (aTHX_ &temp); |
2022 | load_perl (aTHX_ &temp); |
|
|
2023 | SPAGAIN; |
1763 | } |
2024 | } |
1764 | } |
2025 | } |
1765 | } |
2026 | } |
1766 | |
2027 | |
1767 | SV * |
2028 | SV * |
… | |
… | |
1779 | |
2040 | |
1780 | void |
2041 | void |
1781 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
2042 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
1782 | |
2043 | |
1783 | SV * |
2044 | SV * |
1784 | has_stack (Coro::State coro) |
2045 | has_cctx (Coro::State coro) |
1785 | PROTOTYPE: $ |
2046 | PROTOTYPE: $ |
1786 | CODE: |
2047 | CODE: |
1787 | RETVAL = boolSV (!!coro->cctx); |
2048 | RETVAL = boolSV (!!coro->cctx); |
1788 | OUTPUT: |
2049 | OUTPUT: |
1789 | RETVAL |
2050 | RETVAL |
… | |
… | |
1794 | CODE: |
2055 | CODE: |
1795 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
2056 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
1796 | OUTPUT: |
2057 | OUTPUT: |
1797 | RETVAL |
2058 | RETVAL |
1798 | |
2059 | |
1799 | IV |
2060 | UV |
1800 | rss (Coro::State coro) |
2061 | rss (Coro::State coro) |
1801 | PROTOTYPE: $ |
2062 | PROTOTYPE: $ |
1802 | ALIAS: |
2063 | ALIAS: |
1803 | usecount = 1 |
2064 | usecount = 1 |
1804 | CODE: |
2065 | CODE: |
… | |
… | |
1808 | case 1: RETVAL = coro->usecount; break; |
2069 | case 1: RETVAL = coro->usecount; break; |
1809 | } |
2070 | } |
1810 | OUTPUT: |
2071 | OUTPUT: |
1811 | RETVAL |
2072 | RETVAL |
1812 | |
2073 | |
|
|
2074 | void |
|
|
2075 | force_cctx () |
|
|
2076 | CODE: |
|
|
2077 | struct coro *coro = SvSTATE (coro_current); |
|
|
2078 | coro->cctx->idle_sp = 0; |
|
|
2079 | |
|
|
2080 | void |
|
|
2081 | swap_defsv (Coro::State self) |
|
|
2082 | PROTOTYPE: $ |
|
|
2083 | ALIAS: |
|
|
2084 | swap_defav = 1 |
|
|
2085 | CODE: |
|
|
2086 | if (!self->slot) |
|
|
2087 | croak ("cannot swap state with coroutine that has no saved state"); |
|
|
2088 | else |
|
|
2089 | { |
|
|
2090 | SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv); |
|
|
2091 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
|
|
2092 | |
|
|
2093 | SV *tmp = *src; *src = *dst; *dst = tmp; |
|
|
2094 | } |
1813 | |
2095 | |
1814 | MODULE = Coro::State PACKAGE = Coro |
2096 | MODULE = Coro::State PACKAGE = Coro |
1815 | |
2097 | |
1816 | BOOT: |
2098 | BOOT: |
1817 | { |
2099 | { |
1818 | int i; |
2100 | int i; |
1819 | |
2101 | |
1820 | sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE); |
|
|
1821 | sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE); |
|
|
1822 | av_async_pool = coro_get_av ("Coro::async_pool", TRUE); |
2102 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2103 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
|
|
2104 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
1823 | |
2105 | |
1824 | coro_current = coro_get_sv ("Coro::current", FALSE); |
2106 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
1825 | SvREADONLY_on (coro_current); |
2107 | SvREADONLY_on (coro_current); |
1826 | |
2108 | |
1827 | coro_stash = gv_stashpv ("Coro", TRUE); |
2109 | coro_stash = gv_stashpv ("Coro", TRUE); |
1828 | |
2110 | |
1829 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
2111 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
… | |
… | |
1857 | void |
2139 | void |
1858 | _set_current (SV *current) |
2140 | _set_current (SV *current) |
1859 | PROTOTYPE: $ |
2141 | PROTOTYPE: $ |
1860 | CODE: |
2142 | CODE: |
1861 | SvREFCNT_dec (SvRV (coro_current)); |
2143 | SvREFCNT_dec (SvRV (coro_current)); |
1862 | SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); |
2144 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
|
|
2145 | |
|
|
2146 | void |
|
|
2147 | _set_readyhook (SV *hook) |
|
|
2148 | PROTOTYPE: $ |
|
|
2149 | CODE: |
|
|
2150 | LOCK; |
|
|
2151 | SvREFCNT_dec (coro_readyhook); |
|
|
2152 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
|
|
2153 | UNLOCK; |
1863 | |
2154 | |
1864 | int |
2155 | int |
1865 | prio (Coro::State coro, int newprio = 0) |
2156 | prio (Coro::State coro, int newprio = 0) |
1866 | ALIAS: |
2157 | ALIAS: |
1867 | nice = 1 |
2158 | nice = 1 |
… | |
… | |
1912 | CODE: |
2203 | CODE: |
1913 | { |
2204 | { |
1914 | struct coro *coro = SvSTATE (coro_current); |
2205 | struct coro *coro = SvSTATE (coro_current); |
1915 | HV *hv = (HV *)SvRV (coro_current); |
2206 | HV *hv = (HV *)SvRV (coro_current); |
1916 | AV *defav = GvAV (PL_defgv); |
2207 | AV *defav = GvAV (PL_defgv); |
1917 | SV *invoke = hv_delete (hv, strpair ("_invoke"), 0); |
2208 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1918 | AV *invoke_av; |
2209 | AV *invoke_av; |
1919 | int i, len; |
2210 | int i, len; |
1920 | |
2211 | |
1921 | if (!invoke) |
2212 | if (!invoke) |
|
|
2213 | { |
|
|
2214 | SV *old = PL_diehook; |
|
|
2215 | PL_diehook = 0; |
|
|
2216 | SvREFCNT_dec (old); |
1922 | croak ("\3async_pool terminate\2\n"); |
2217 | croak ("\3async_pool terminate\2\n"); |
|
|
2218 | } |
1923 | |
2219 | |
1924 | SvREFCNT_dec (coro->saved_deffh); |
2220 | SvREFCNT_dec (coro->saved_deffh); |
1925 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
2221 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
1926 | |
2222 | |
1927 | hv_store (hv, "desc", sizeof ("desc") - 1, |
2223 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1928 | newSVpvn (strpair ("[async_pool]")), 0); |
2224 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
1929 | |
2225 | |
1930 | invoke_av = (AV *)SvRV (invoke); |
2226 | invoke_av = (AV *)SvRV (invoke); |
1931 | len = av_len (invoke_av); |
2227 | len = av_len (invoke_av); |
1932 | |
2228 | |
1933 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
2229 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
1934 | |
2230 | |
1935 | if (len > 0) |
2231 | if (len > 0) |
1936 | { |
2232 | { |
1937 | av_fill (defav, len - 1); |
2233 | av_fill (defav, len - 1); |
1938 | for (i = 0; i < len; ++i) |
2234 | for (i = 0; i < len; ++i) |
1939 | av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); |
2235 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
1940 | } |
2236 | } |
1941 | |
2237 | |
1942 | SvREFCNT_dec (invoke); |
2238 | SvREFCNT_dec (invoke); |
1943 | } |
2239 | } |
1944 | |
2240 | |
… | |
… | |
1951 | sv_setsv (cb, &PL_sv_undef); |
2247 | sv_setsv (cb, &PL_sv_undef); |
1952 | |
2248 | |
1953 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2249 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1954 | coro->saved_deffh = 0; |
2250 | coro->saved_deffh = 0; |
1955 | |
2251 | |
1956 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
2252 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1957 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2253 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2254 | { |
|
|
2255 | SV *old = PL_diehook; |
|
|
2256 | PL_diehook = 0; |
|
|
2257 | SvREFCNT_dec (old); |
1958 | croak ("\3async_pool terminate\2\n"); |
2258 | croak ("\3async_pool terminate\2\n"); |
|
|
2259 | } |
1959 | |
2260 | |
1960 | av_clear (GvAV (PL_defgv)); |
2261 | av_clear (GvAV (PL_defgv)); |
1961 | hv_store ((HV *)SvRV (coro_current), strpair ("desc"), |
2262 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1962 | newSVpvn (strpair ("[async_pool idle]")), 0); |
2263 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1963 | |
2264 | |
1964 | coro->prio = 0; |
2265 | coro->prio = 0; |
1965 | |
2266 | |
1966 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2267 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
1967 | api_trace (coro_current, 0); |
2268 | api_trace (coro_current, 0); |
1968 | |
2269 | |
1969 | av_push (av_async_pool, newSVsv (coro_current)); |
2270 | av_push (av_async_pool, newSVsv (coro_current)); |
1970 | } |
2271 | } |
1971 | |
2272 | |
|
|
2273 | #if 0 |
|
|
2274 | |
|
|
2275 | void |
|
|
2276 | _generator_call (...) |
|
|
2277 | PROTOTYPE: @ |
|
|
2278 | PPCODE: |
|
|
2279 | fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr); |
|
|
2280 | xxxx |
|
|
2281 | abort (); |
|
|
2282 | |
|
|
2283 | SV * |
|
|
2284 | gensub (SV *sub, ...) |
|
|
2285 | PROTOTYPE: &;@ |
|
|
2286 | CODE: |
|
|
2287 | { |
|
|
2288 | struct coro *coro; |
|
|
2289 | MAGIC *mg; |
|
|
2290 | CV *xcv; |
|
|
2291 | CV *ncv = (CV *)newSV_type (SVt_PVCV); |
|
|
2292 | int i; |
|
|
2293 | |
|
|
2294 | CvGV (ncv) = CvGV (cv); |
|
|
2295 | CvFILE (ncv) = CvFILE (cv); |
|
|
2296 | |
|
|
2297 | Newz (0, coro, 1, struct coro); |
|
|
2298 | coro->args = newAV (); |
|
|
2299 | coro->flags = CF_NEW; |
|
|
2300 | |
|
|
2301 | av_extend (coro->args, items - 1); |
|
|
2302 | for (i = 1; i < items; i++) |
|
|
2303 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2304 | |
|
|
2305 | CvISXSUB_on (ncv); |
|
|
2306 | CvXSUBANY (ncv).any_ptr = (void *)coro; |
|
|
2307 | |
|
|
2308 | xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV)); |
|
|
2309 | |
|
|
2310 | CvXSUB (ncv) = CvXSUB (xcv); |
|
|
2311 | CvANON_on (ncv); |
|
|
2312 | |
|
|
2313 | mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0); |
|
|
2314 | RETVAL = newRV_noinc ((SV *)ncv); |
|
|
2315 | } |
|
|
2316 | OUTPUT: |
|
|
2317 | RETVAL |
|
|
2318 | |
|
|
2319 | #endif |
|
|
2320 | |
1972 | |
2321 | |
1973 | MODULE = Coro::State PACKAGE = Coro::AIO |
2322 | MODULE = Coro::State PACKAGE = Coro::AIO |
1974 | |
2323 | |
1975 | SV * |
2324 | void |
1976 | _get_state () |
2325 | _get_state (SV *self) |
1977 | CODE: |
2326 | PPCODE: |
1978 | { |
2327 | { |
1979 | struct io_state *data; |
2328 | AV *defav = GvAV (PL_defgv); |
1980 | |
2329 | AV *av = newAV (); |
|
|
2330 | int i; |
1981 | RETVAL = newSV (sizeof (struct io_state)); |
2331 | SV *data_sv = newSV (sizeof (struct io_state)); |
1982 | data = (struct io_state *)SvPVX (RETVAL); |
2332 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
1983 | SvCUR_set (RETVAL, sizeof (struct io_state)); |
2333 | SvCUR_set (data_sv, sizeof (struct io_state)); |
1984 | SvPOK_only (RETVAL); |
2334 | SvPOK_only (data_sv); |
1985 | |
2335 | |
1986 | data->errorno = errno; |
2336 | data->errorno = errno; |
1987 | data->laststype = PL_laststype; |
2337 | data->laststype = PL_laststype; |
1988 | data->laststatval = PL_laststatval; |
2338 | data->laststatval = PL_laststatval; |
1989 | data->statcache = PL_statcache; |
2339 | data->statcache = PL_statcache; |
|
|
2340 | |
|
|
2341 | av_extend (av, AvFILLp (defav) + 1 + 1); |
|
|
2342 | |
|
|
2343 | for (i = 0; i <= AvFILLp (defav); ++i) |
|
|
2344 | av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i])); |
|
|
2345 | |
|
|
2346 | av_push (av, data_sv); |
|
|
2347 | |
|
|
2348 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
2349 | |
|
|
2350 | api_ready (self); |
1990 | } |
2351 | } |
1991 | OUTPUT: |
|
|
1992 | RETVAL |
|
|
1993 | |
2352 | |
1994 | void |
2353 | void |
1995 | _set_state (char *data_) |
2354 | _set_state (SV *state) |
1996 | PROTOTYPE: $ |
2355 | PROTOTYPE: $ |
1997 | CODE: |
2356 | PPCODE: |
1998 | { |
2357 | { |
1999 | struct io_state *data = (void *)data_; |
2358 | AV *av = (AV *)SvRV (state); |
|
|
2359 | struct io_state *data = (struct io_state *)SvPVX (AvARRAY (av)[AvFILLp (av)]); |
|
|
2360 | int i; |
2000 | |
2361 | |
2001 | errno = data->errorno; |
2362 | errno = data->errorno; |
2002 | PL_laststype = data->laststype; |
2363 | PL_laststype = data->laststype; |
2003 | PL_laststatval = data->laststatval; |
2364 | PL_laststatval = data->laststatval; |
2004 | PL_statcache = data->statcache; |
2365 | PL_statcache = data->statcache; |
2005 | } |
|
|
2006 | |
2366 | |
|
|
2367 | EXTEND (SP, AvFILLp (av)); |
|
|
2368 | for (i = 0; i < AvFILLp (av); ++i) |
|
|
2369 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i]))); |
|
|
2370 | } |
|
|
2371 | |
|
|
2372 | |
|
|
2373 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
|
|
2374 | |
|
|
2375 | BOOT: |
|
|
2376 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
|
|
2377 | |
|
|
2378 | SV * |
|
|
2379 | _schedule (...) |
|
|
2380 | PROTOTYPE: @ |
|
|
2381 | CODE: |
|
|
2382 | { |
|
|
2383 | static int incede; |
|
|
2384 | |
|
|
2385 | api_cede_notself (); |
|
|
2386 | |
|
|
2387 | ++incede; |
|
|
2388 | while (coro_nready >= incede && api_cede ()) |
|
|
2389 | ; |
|
|
2390 | |
|
|
2391 | sv_setsv (sv_activity, &PL_sv_undef); |
|
|
2392 | if (coro_nready >= incede) |
|
|
2393 | { |
|
|
2394 | PUSHMARK (SP); |
|
|
2395 | PUTBACK; |
|
|
2396 | call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL); |
|
|
2397 | SPAGAIN; |
|
|
2398 | } |
|
|
2399 | |
|
|
2400 | --incede; |
|
|
2401 | } |
|
|
2402 | |
|
|
2403 | |
|
|
2404 | MODULE = Coro::State PACKAGE = PerlIO::cede |
|
|
2405 | |
|
|
2406 | BOOT: |
|
|
2407 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |