… | |
… | |
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 |
… | |
… | |
37 | # define BOOT_PAGESIZE (void)0 |
46 | # define BOOT_PAGESIZE (void)0 |
38 | #endif |
47 | #endif |
39 | |
48 | |
40 | #if CORO_USE_VALGRIND |
49 | #if CORO_USE_VALGRIND |
41 | # include <valgrind/valgrind.h> |
50 | # include <valgrind/valgrind.h> |
42 | # define REGISTER_STACK(cctx,start,end) (cctx)->valgrind_id = VALGRIND_STACK_REGISTER ((start), (end)) |
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43 | #else |
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44 | # define REGISTER_STACK(cctx,start,end) |
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45 | #endif |
51 | #endif |
46 | |
52 | |
47 | /* the maximum number of idle cctx that will be pooled */ |
53 | /* the maximum number of idle cctx that will be pooled */ |
48 | #define MAX_IDLE_CCTX 8 |
54 | static int cctx_max_idle = 4; |
49 | |
55 | |
50 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
51 | (PERL_REVISION > (a) \ |
57 | (PERL_REVISION > (a) \ |
52 | || (PERL_REVISION == (a) \ |
58 | || (PERL_REVISION == (a) \ |
53 | && (PERL_VERSION > (b) \ |
59 | && (PERL_VERSION > (b) \ |
… | |
… | |
72 | # ifndef IS_PADCONST |
78 | # ifndef IS_PADCONST |
73 | # define IS_PADCONST(v) 0 |
79 | # define IS_PADCONST(v) 0 |
74 | # endif |
80 | # endif |
75 | #endif |
81 | #endif |
76 | |
82 | |
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83 | /* 5.11 */ |
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84 | #ifndef CxHASARGS |
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85 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
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86 | #endif |
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87 | |
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88 | /* 5.10.0 */ |
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89 | #ifndef SvREFCNT_inc_NN |
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90 | # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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91 | #endif |
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92 | |
77 | /* 5.8.8 */ |
93 | /* 5.8.8 */ |
78 | #ifndef GV_NOTQUAL |
94 | #ifndef GV_NOTQUAL |
79 | # define GV_NOTQUAL 0 |
95 | # define GV_NOTQUAL 0 |
80 | #endif |
96 | #endif |
81 | #ifndef newSV |
97 | #ifndef newSV |
82 | # define newSV(l) NEWSV(0,l) |
98 | # define newSV(l) NEWSV(0,l) |
83 | #endif |
99 | #endif |
84 | |
100 | |
85 | /* 5.11 */ |
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86 | #ifndef CxHASARGS |
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87 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
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88 | #endif |
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89 | |
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|
90 | /* 5.8.7 */ |
101 | /* 5.8.7 */ |
91 | #ifndef SvRV_set |
102 | #ifndef SvRV_set |
92 | # define SvRV_set(s,v) SvRV(s) = (v) |
103 | # define SvRV_set(s,v) SvRV(s) = (v) |
93 | #endif |
104 | #endif |
94 | |
105 | |
… | |
… | |
105 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
116 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
106 | #endif |
117 | #endif |
107 | |
118 | |
108 | /* 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 |
109 | * portable way as possible. */ |
120 | * portable way as possible. */ |
110 | #define dSTACKLEVEL volatile char stacklevel |
121 | #if __GNUC__ >= 4 |
111 | #define STACKLEVEL ((void *)&stacklevel) |
122 | # define dSTACKLEVEL void *stacklevel = __builtin_frame_address (0) |
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123 | #else |
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124 | # define dSTACKLEVEL volatile void *stacklevel = (volatile void *)&stacklevel |
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125 | #endif |
112 | |
126 | |
113 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
127 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
114 | |
128 | |
115 | #if __GNUC__ >= 3 |
129 | #if __GNUC__ >= 3 |
116 | # define attribute(x) __attribute__(x) |
130 | # define attribute(x) __attribute__(x) |
117 | # define BARRIER __asm__ __volatile__ ("" : : : "memory") |
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118 | # 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 |
119 | #else |
133 | #else |
120 | # define attribute(x) |
134 | # define attribute(x) |
121 | # define BARRIER |
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122 | # define expect(expr,value) (expr) |
135 | # define expect(expr,value) (expr) |
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136 | # define INLINE static |
123 | #endif |
137 | #endif |
124 | |
138 | |
125 | #define expect_false(expr) expect ((expr) != 0, 0) |
139 | #define expect_false(expr) expect ((expr) != 0, 0) |
126 | #define expect_true(expr) expect ((expr) != 0, 1) |
140 | #define expect_true(expr) expect ((expr) != 0, 1) |
127 | |
141 | |
128 | #define NOINLINE attribute ((noinline)) |
142 | #define NOINLINE attribute ((noinline)) |
129 | |
143 | |
130 | #include "CoroAPI.h" |
144 | #include "CoroAPI.h" |
131 | |
145 | |
132 | #ifdef USE_ITHREADS |
146 | #ifdef USE_ITHREADS |
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147 | |
133 | static perl_mutex coro_mutex; |
148 | static perl_mutex coro_lock; |
134 | # define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) |
149 | # define LOCK do { MUTEX_LOCK (&coro_lock); } while (0) |
135 | # 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 | |
136 | #else |
155 | #else |
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156 | |
137 | # define LOCK (void)0 |
157 | # define LOCK (void)0 |
138 | # define UNLOCK (void)0 |
158 | # define UNLOCK (void)0 |
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159 | |
139 | #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 |
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165 | # define UNLOCK (void)0 |
140 | |
166 | |
141 | /* helper storage struct for Coro::AIO */ |
167 | /* helper storage struct for Coro::AIO */ |
142 | struct io_state |
168 | struct io_state |
143 | { |
169 | { |
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170 | AV *res; |
144 | int errorno; |
171 | int errorno; |
145 | I32 laststype; |
172 | I32 laststype; /* U16 in 5.10.0 */ |
146 | int laststatval; |
173 | int laststatval; |
147 | Stat_t statcache; |
174 | Stat_t statcache; |
148 | }; |
175 | }; |
149 | |
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; |
150 | static size_t coro_stacksize = CORO_STACKSIZE; |
180 | static size_t cctx_stacksize = CORO_STACKSIZE; |
151 | static struct CoroAPI coroapi; |
181 | static struct CoroAPI coroapi; |
152 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
182 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
153 | static JMPENV *main_top_env; |
183 | static JMPENV *main_top_env; |
154 | static HV *coro_state_stash, *coro_stash; |
184 | static HV *coro_state_stash, *coro_stash; |
155 | static volatile SV *coro_mortal; /* will be freed after next transfer */ |
185 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
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186 | static volatile struct coro *transfer_next; |
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187 | |
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188 | struct transfer_args |
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189 | { |
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190 | struct coro *prev, *next; |
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191 | }; |
156 | |
192 | |
157 | static GV *irsgv; /* $/ */ |
193 | static GV *irsgv; /* $/ */ |
158 | static GV *stdoutgv; /* *STDOUT */ |
194 | static GV *stdoutgv; /* *STDOUT */ |
159 | static SV *rv_diehook; |
195 | static SV *rv_diehook; |
160 | static SV *rv_warnhook; |
196 | static SV *rv_warnhook; |
… | |
… | |
162 | |
198 | |
163 | /* async_pool helper stuff */ |
199 | /* async_pool helper stuff */ |
164 | static SV *sv_pool_rss; |
200 | static SV *sv_pool_rss; |
165 | static SV *sv_pool_size; |
201 | static SV *sv_pool_size; |
166 | static AV *av_async_pool; |
202 | static AV *av_async_pool; |
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203 | |
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204 | /* Coro::AnyEvent */ |
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205 | static SV *sv_activity; |
167 | |
206 | |
168 | static struct coro_cctx *cctx_first; |
207 | static struct coro_cctx *cctx_first; |
169 | static int cctx_count, cctx_idle; |
208 | static int cctx_count, cctx_idle; |
170 | |
209 | |
171 | enum { |
210 | enum { |
… | |
… | |
189 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
228 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
190 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
229 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
191 | JMPENV *top_env; |
230 | JMPENV *top_env; |
192 | coro_context cctx; |
231 | coro_context cctx; |
193 | |
232 | |
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233 | U32 gen; |
194 | #if CORO_USE_VALGRIND |
234 | #if CORO_USE_VALGRIND |
195 | int valgrind_id; |
235 | int valgrind_id; |
196 | #endif |
236 | #endif |
197 | unsigned char flags; |
237 | unsigned char flags; |
198 | } coro_cctx; |
238 | } coro_cctx; |
… | |
… | |
257 | #define PRIO_IDLE -3 |
297 | #define PRIO_IDLE -3 |
258 | #define PRIO_MIN -4 |
298 | #define PRIO_MIN -4 |
259 | |
299 | |
260 | /* for Coro.pm */ |
300 | /* for Coro.pm */ |
261 | static SV *coro_current; |
301 | static SV *coro_current; |
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|
302 | static SV *coro_readyhook; |
262 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
303 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
263 | static int coro_nready; |
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264 | static struct coro *coro_first; |
304 | static struct coro *coro_first; |
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305 | #define coro_nready coroapi.nready |
265 | |
306 | |
266 | /** lowlevel stuff **********************************************************/ |
307 | /** lowlevel stuff **********************************************************/ |
267 | |
308 | |
268 | static SV * |
309 | static SV * |
269 | coro_get_sv (pTHX_ const char *name, int create) |
310 | coro_get_sv (pTHX_ const char *name, int create) |
270 | { |
311 | { |
271 | #if PERL_VERSION_ATLEAST (5,9,0) |
312 | #if PERL_VERSION_ATLEAST (5,10,0) |
272 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
313 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
273 | get_sv (name, create); |
314 | get_sv (name, create); |
274 | #endif |
315 | #endif |
275 | return get_sv (name, create); |
316 | return get_sv (name, create); |
276 | } |
317 | } |
277 | |
318 | |
278 | static AV * |
319 | static AV * |
279 | coro_get_av (pTHX_ const char *name, int create) |
320 | coro_get_av (pTHX_ const char *name, int create) |
280 | { |
321 | { |
281 | #if PERL_VERSION_ATLEAST (5,9,0) |
322 | #if PERL_VERSION_ATLEAST (5,10,0) |
282 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
323 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
283 | get_av (name, create); |
324 | get_av (name, create); |
284 | #endif |
325 | #endif |
285 | return get_av (name, create); |
326 | return get_av (name, create); |
286 | } |
327 | } |
287 | |
328 | |
288 | static HV * |
329 | static HV * |
289 | coro_get_hv (pTHX_ const char *name, int create) |
330 | coro_get_hv (pTHX_ const char *name, int create) |
290 | { |
331 | { |
291 | #if PERL_VERSION_ATLEAST (5,9,0) |
332 | #if PERL_VERSION_ATLEAST (5,10,0) |
292 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
333 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
293 | get_hv (name, create); |
334 | get_hv (name, create); |
294 | #endif |
335 | #endif |
295 | return get_hv (name, create); |
336 | return get_hv (name, create); |
296 | } |
337 | } |
… | |
… | |
301 | AV *padlist = CvPADLIST (cv); |
342 | AV *padlist = CvPADLIST (cv); |
302 | AV *newpadlist, *newpad; |
343 | AV *newpadlist, *newpad; |
303 | |
344 | |
304 | newpadlist = newAV (); |
345 | newpadlist = newAV (); |
305 | AvREAL_off (newpadlist); |
346 | AvREAL_off (newpadlist); |
306 | #if PERL_VERSION_ATLEAST (5,9,0) |
347 | #if PERL_VERSION_ATLEAST (5,10,0) |
307 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
348 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
308 | #else |
349 | #else |
309 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
350 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
310 | #endif |
351 | #endif |
311 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
352 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
312 | --AvFILLp (padlist); |
353 | --AvFILLp (padlist); |
313 | |
354 | |
314 | av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE))); |
355 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
315 | av_store (newpadlist, 1, (SV *)newpad); |
356 | av_store (newpadlist, 1, (SV *)newpad); |
316 | |
357 | |
317 | return newpadlist; |
358 | return newpadlist; |
318 | } |
359 | } |
319 | |
360 | |
… | |
… | |
349 | |
390 | |
350 | /* casting is fun. */ |
391 | /* casting is fun. */ |
351 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
392 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
352 | free_padlist (aTHX_ padlist); |
393 | free_padlist (aTHX_ padlist); |
353 | |
394 | |
|
|
395 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
396 | |
354 | return 0; |
397 | return 0; |
355 | } |
398 | } |
356 | |
399 | |
357 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
400 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
358 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
401 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
… | |
… | |
360 | static MGVTBL coro_cv_vtbl = { |
403 | static MGVTBL coro_cv_vtbl = { |
361 | 0, 0, 0, 0, |
404 | 0, 0, 0, 0, |
362 | coro_cv_free |
405 | coro_cv_free |
363 | }; |
406 | }; |
364 | |
407 | |
365 | #define CORO_MAGIC(sv,type) \ |
408 | #define CORO_MAGIC(sv, type) \ |
366 | SvMAGIC (sv) \ |
409 | SvMAGIC (sv) \ |
367 | ? SvMAGIC (sv)->mg_type == type \ |
410 | ? SvMAGIC (sv)->mg_type == type \ |
368 | ? SvMAGIC (sv) \ |
411 | ? SvMAGIC (sv) \ |
369 | : mg_find (sv, type) \ |
412 | : mg_find (sv, type) \ |
370 | : 0 |
413 | : 0 |
371 | |
414 | |
372 | #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) |
373 | #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) |
374 | |
417 | |
375 | static struct coro * |
418 | INLINE struct coro * |
376 | SvSTATE_ (pTHX_ SV *coro) |
419 | SvSTATE_ (pTHX_ SV *coro) |
377 | { |
420 | { |
378 | HV *stash; |
421 | HV *stash; |
379 | MAGIC *mg; |
422 | MAGIC *mg; |
380 | |
423 | |
… | |
… | |
408 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
451 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
409 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
452 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
410 | else |
453 | else |
411 | { |
454 | { |
412 | #if CORO_PREFER_PERL_FUNCTIONS |
455 | #if CORO_PREFER_PERL_FUNCTIONS |
413 | /* this is probably cleaner, but also slower? */ |
456 | /* this is probably cleaner? but also slower! */ |
|
|
457 | /* in practise, it seems to be less stable */ |
414 | CV *cp = Perl_cv_clone (cv); |
458 | CV *cp = Perl_cv_clone (cv); |
415 | CvPADLIST (cv) = CvPADLIST (cp); |
459 | CvPADLIST (cv) = CvPADLIST (cp); |
416 | CvPADLIST (cp) = 0; |
460 | CvPADLIST (cp) = 0; |
417 | SvREFCNT_dec (cp); |
461 | SvREFCNT_dec (cp); |
418 | #else |
462 | #else |
… | |
… | |
502 | |
546 | |
503 | if (expect_true (CvDEPTH (cv))) |
547 | if (expect_true (CvDEPTH (cv))) |
504 | { |
548 | { |
505 | EXTEND (SP, 3); |
549 | EXTEND (SP, 3); |
506 | PUSHs ((SV *)CvPADLIST (cv)); |
550 | PUSHs ((SV *)CvPADLIST (cv)); |
507 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
551 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
508 | PUSHs ((SV *)cv); |
552 | PUSHs ((SV *)cv); |
509 | |
553 | |
510 | CvDEPTH (cv) = 0; |
554 | CvDEPTH (cv) = 0; |
511 | get_padlist (aTHX_ cv); |
555 | get_padlist (aTHX_ cv); |
512 | } |
556 | } |
… | |
… | |
592 | |
636 | |
593 | New(54,PL_savestack,24,ANY); |
637 | New(54,PL_savestack,24,ANY); |
594 | PL_savestack_ix = 0; |
638 | PL_savestack_ix = 0; |
595 | PL_savestack_max = 24; |
639 | PL_savestack_max = 24; |
596 | |
640 | |
597 | #if !PERL_VERSION_ATLEAST (5,9,0) |
641 | #if !PERL_VERSION_ATLEAST (5,10,0) |
598 | New(54,PL_retstack,4,OP*); |
642 | New(54,PL_retstack,4,OP*); |
599 | PL_retstack_ix = 0; |
643 | PL_retstack_ix = 0; |
600 | PL_retstack_max = 4; |
644 | PL_retstack_max = 4; |
601 | #endif |
645 | #endif |
602 | } |
646 | } |
… | |
… | |
604 | |
648 | |
605 | /* |
649 | /* |
606 | * destroy the stacks, the callchain etc... |
650 | * destroy the stacks, the callchain etc... |
607 | */ |
651 | */ |
608 | static void |
652 | static void |
609 | coro_destroy_stacks (pTHX) |
653 | coro_destruct_stacks (pTHX) |
610 | { |
654 | { |
611 | while (PL_curstackinfo->si_next) |
655 | while (PL_curstackinfo->si_next) |
612 | PL_curstackinfo = PL_curstackinfo->si_next; |
656 | PL_curstackinfo = PL_curstackinfo->si_next; |
613 | |
657 | |
614 | while (PL_curstackinfo) |
658 | while (PL_curstackinfo) |
… | |
… | |
625 | |
669 | |
626 | Safefree (PL_tmps_stack); |
670 | Safefree (PL_tmps_stack); |
627 | Safefree (PL_markstack); |
671 | Safefree (PL_markstack); |
628 | Safefree (PL_scopestack); |
672 | Safefree (PL_scopestack); |
629 | Safefree (PL_savestack); |
673 | Safefree (PL_savestack); |
630 | #if !PERL_VERSION_ATLEAST (5,9,0) |
674 | #if !PERL_VERSION_ATLEAST (5,10,0) |
631 | Safefree (PL_retstack); |
675 | Safefree (PL_retstack); |
632 | #endif |
676 | #endif |
633 | } |
677 | } |
634 | |
678 | |
635 | static size_t |
679 | static size_t |
… | |
… | |
651 | #undef VAR |
695 | #undef VAR |
652 | } |
696 | } |
653 | else |
697 | else |
654 | slot = coro->slot; |
698 | slot = coro->slot; |
655 | |
699 | |
|
|
700 | if (slot) |
|
|
701 | { |
656 | rss += sizeof (slot->curstackinfo); |
702 | rss += sizeof (slot->curstackinfo); |
657 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
703 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
658 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
704 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
659 | rss += slot->tmps_max * sizeof (SV *); |
705 | rss += slot->tmps_max * sizeof (SV *); |
660 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
706 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
661 | rss += slot->scopestack_max * sizeof (I32); |
707 | rss += slot->scopestack_max * sizeof (I32); |
662 | rss += slot->savestack_max * sizeof (ANY); |
708 | rss += slot->savestack_max * sizeof (ANY); |
663 | |
709 | |
664 | #if !PERL_VERSION_ATLEAST (5,9,0) |
710 | #if !PERL_VERSION_ATLEAST (5,10,0) |
665 | rss += slot->retstack_max * sizeof (OP *); |
711 | rss += slot->retstack_max * sizeof (OP *); |
666 | #endif |
712 | #endif |
|
|
713 | } |
667 | } |
714 | } |
668 | |
715 | |
669 | return rss; |
716 | return rss; |
|
|
717 | } |
|
|
718 | |
|
|
719 | /** set stacklevel support **************************************************/ |
|
|
720 | |
|
|
721 | /* we sometimes need to create the effect of pp_slf calling us */ |
|
|
722 | #define SLF_HEAD (void)0 |
|
|
723 | /* we sometimes need to create the effect of leaving via pp_slf */ |
|
|
724 | #define SLF_TAIL slf_tail (aTHX) |
|
|
725 | |
|
|
726 | INLINE void |
|
|
727 | slf_tail (pTHX) |
|
|
728 | { |
|
|
729 | dSP; |
|
|
730 | SV **bot = SP; |
|
|
731 | |
|
|
732 | int gimme = GIMME_V; |
|
|
733 | |
|
|
734 | /* make sure we put something on the stack in scalar context */ |
|
|
735 | if (gimme == G_SCALAR) |
|
|
736 | { |
|
|
737 | if (sp == bot) |
|
|
738 | XPUSHs (&PL_sv_undef); |
|
|
739 | |
|
|
740 | SP = bot + 1; |
|
|
741 | } |
|
|
742 | |
|
|
743 | PUTBACK; |
670 | } |
744 | } |
671 | |
745 | |
672 | /** coroutine stack handling ************************************************/ |
746 | /** coroutine stack handling ************************************************/ |
673 | |
747 | |
674 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
748 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
675 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
749 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
750 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
751 | |
|
|
752 | /* apparently < 5.8.8 */ |
|
|
753 | #ifndef MgPV_nolen_const |
|
|
754 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
|
|
755 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
|
|
756 | (const char*)(mg)->mg_ptr) |
|
|
757 | #endif |
676 | |
758 | |
677 | /* |
759 | /* |
678 | * This overrides the default magic get method of %SIG elements. |
760 | * This overrides the default magic get method of %SIG elements. |
679 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
761 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
680 | * and instead of tryign to save and restore the hash elements, we just provide |
762 | * and instead of tryign to save and restore the hash elements, we just provide |
… | |
… | |
688 | { |
770 | { |
689 | const char *s = MgPV_nolen_const (mg); |
771 | const char *s = MgPV_nolen_const (mg); |
690 | |
772 | |
691 | if (*s == '_') |
773 | if (*s == '_') |
692 | { |
774 | { |
693 | if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0; |
775 | SV **svp = 0; |
694 | if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0; |
776 | |
|
|
777 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
778 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
779 | |
|
|
780 | if (svp) |
|
|
781 | { |
|
|
782 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
|
|
783 | return 0; |
|
|
784 | } |
695 | } |
785 | } |
696 | |
786 | |
697 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
787 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
|
|
788 | } |
|
|
789 | |
|
|
790 | static int |
|
|
791 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
|
|
792 | { |
|
|
793 | const char *s = MgPV_nolen_const (mg); |
|
|
794 | |
|
|
795 | if (*s == '_') |
|
|
796 | { |
|
|
797 | SV **svp = 0; |
|
|
798 | |
|
|
799 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
800 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
801 | |
|
|
802 | if (svp) |
|
|
803 | { |
|
|
804 | SV *old = *svp; |
|
|
805 | *svp = 0; |
|
|
806 | SvREFCNT_dec (old); |
|
|
807 | return 0; |
|
|
808 | } |
|
|
809 | } |
|
|
810 | |
|
|
811 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
698 | } |
812 | } |
699 | |
813 | |
700 | static int |
814 | static int |
701 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
815 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
702 | { |
816 | { |
… | |
… | |
712 | if (svp) |
826 | if (svp) |
713 | { |
827 | { |
714 | SV *old = *svp; |
828 | SV *old = *svp; |
715 | *svp = newSVsv (sv); |
829 | *svp = newSVsv (sv); |
716 | SvREFCNT_dec (old); |
830 | SvREFCNT_dec (old); |
717 | return; |
831 | return 0; |
718 | } |
832 | } |
719 | } |
833 | } |
720 | |
834 | |
721 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
835 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
722 | } |
836 | } |
… | |
… | |
736 | PL_curpm = 0; |
850 | PL_curpm = 0; |
737 | PL_curpad = 0; |
851 | PL_curpad = 0; |
738 | PL_localizing = 0; |
852 | PL_localizing = 0; |
739 | PL_dirty = 0; |
853 | PL_dirty = 0; |
740 | PL_restartop = 0; |
854 | PL_restartop = 0; |
|
|
855 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
856 | PL_parser = 0; |
|
|
857 | #endif |
741 | |
858 | |
742 | /* recreate the die/warn hooks */ |
859 | /* recreate the die/warn hooks */ |
743 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
860 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
744 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
861 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
745 | |
862 | |
746 | GvSV (PL_defgv) = newSV (0); |
863 | GvSV (PL_defgv) = newSV (0); |
747 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
864 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
748 | GvSV (PL_errgv) = newSV (0); |
865 | GvSV (PL_errgv) = newSV (0); |
749 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
866 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
750 | PL_rs = newSVsv (GvSV (irsgv)); |
867 | PL_rs = newSVsv (GvSV (irsgv)); |
751 | PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv); |
868 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
752 | |
869 | |
753 | { |
870 | { |
754 | dSP; |
871 | dSP; |
755 | LOGOP myop; |
872 | UNOP myop; |
756 | |
873 | |
757 | Zero (&myop, 1, LOGOP); |
874 | Zero (&myop, 1, UNOP); |
758 | myop.op_next = Nullop; |
875 | myop.op_next = Nullop; |
759 | myop.op_flags = OPf_WANT_VOID; |
876 | myop.op_flags = OPf_WANT_VOID; |
760 | |
877 | |
761 | PUSHMARK (SP); |
878 | PUSHMARK (SP); |
762 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
879 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
… | |
… | |
765 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
882 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
766 | SPAGAIN; |
883 | SPAGAIN; |
767 | } |
884 | } |
768 | |
885 | |
769 | /* this newly created coroutine might be run on an existing cctx which most |
886 | /* this newly created coroutine might be run on an existing cctx which most |
770 | * likely was suspended in set_stacklevel, called from entersub. |
887 | * likely was suspended in set_stacklevel, called from pp_set_stacklevel, |
771 | * set_stacklevl doesn't do anything on return, but entersub does LEAVE, |
888 | * so we have to emulate entering pp_set_stacklevel here. |
772 | * so we ENTER here for symmetry |
|
|
773 | */ |
889 | */ |
774 | ENTER; |
890 | SLF_HEAD; |
775 | } |
891 | } |
776 | |
892 | |
777 | static void |
893 | static void |
778 | coro_destroy (pTHX_ struct coro *coro) |
894 | coro_destruct (pTHX_ struct coro *coro) |
779 | { |
895 | { |
780 | if (!IN_DESTRUCT) |
896 | if (!IN_DESTRUCT) |
781 | { |
897 | { |
782 | /* restore all saved variables and stuff */ |
898 | /* restore all saved variables and stuff */ |
783 | LEAVE_SCOPE (0); |
899 | LEAVE_SCOPE (0); |
… | |
… | |
805 | SvREFCNT_dec (PL_warnhook); |
921 | SvREFCNT_dec (PL_warnhook); |
806 | |
922 | |
807 | SvREFCNT_dec (coro->saved_deffh); |
923 | SvREFCNT_dec (coro->saved_deffh); |
808 | SvREFCNT_dec (coro->throw); |
924 | SvREFCNT_dec (coro->throw); |
809 | |
925 | |
810 | coro_destroy_stacks (aTHX); |
926 | coro_destruct_stacks (aTHX); |
811 | } |
927 | } |
812 | |
928 | |
813 | static void |
929 | INLINE void |
814 | free_coro_mortal (pTHX) |
930 | free_coro_mortal (pTHX) |
815 | { |
931 | { |
816 | if (expect_true (coro_mortal)) |
932 | if (expect_true (coro_mortal)) |
817 | { |
933 | { |
818 | SvREFCNT_dec (coro_mortal); |
934 | SvREFCNT_dec (coro_mortal); |
… | |
… | |
852 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
968 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
853 | : bot; |
969 | : bot; |
854 | |
970 | |
855 | av_extend (av, top - bot); |
971 | av_extend (av, top - bot); |
856 | while (bot < top) |
972 | while (bot < top) |
857 | av_push (av, SvREFCNT_inc (*bot++)); |
973 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
858 | |
974 | |
859 | PL_runops = RUNOPS_DEFAULT; |
975 | PL_runops = RUNOPS_DEFAULT; |
860 | ENTER; |
976 | ENTER; |
861 | SAVETMPS; |
977 | SAVETMPS; |
862 | EXTEND (SP, 3); |
978 | EXTEND (SP, 3); |
… | |
… | |
942 | |
1058 | |
943 | TAINT_NOT; |
1059 | TAINT_NOT; |
944 | return 0; |
1060 | return 0; |
945 | } |
1061 | } |
946 | |
1062 | |
|
|
1063 | static void |
|
|
1064 | prepare_set_stacklevel (struct transfer_args *ta, struct coro_cctx *cctx) |
|
|
1065 | { |
|
|
1066 | ta->prev = (struct coro *)cctx; |
|
|
1067 | ta->next = 0; |
|
|
1068 | } |
|
|
1069 | |
947 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
1070 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
948 | /* _cctx_init should be careful, as it could be called at almost any time */ |
1071 | /* _cctx_init should be careful, as it could be called at almost any time */ |
949 | /* during execution of a perl program */ |
1072 | /* during execution of a perl program */ |
|
|
1073 | /* also initialises PL_top_env */ |
950 | static void NOINLINE |
1074 | static void NOINLINE |
951 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1075 | cctx_prepare (pTHX_ coro_cctx *cctx) |
952 | { |
1076 | { |
953 | dSP; |
1077 | dSP; |
954 | LOGOP myop; |
1078 | UNOP myop; |
955 | |
1079 | |
956 | PL_top_env = &PL_start_env; |
1080 | PL_top_env = &PL_start_env; |
957 | |
1081 | |
958 | if (cctx->flags & CC_TRACE) |
1082 | if (cctx->flags & CC_TRACE) |
959 | PL_runops = runops_trace; |
1083 | PL_runops = runops_trace; |
960 | |
1084 | |
961 | Zero (&myop, 1, LOGOP); |
1085 | Zero (&myop, 1, UNOP); |
962 | myop.op_next = PL_op; |
1086 | myop.op_next = PL_op; |
963 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
1087 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
964 | |
1088 | |
965 | PUSHMARK (SP); |
1089 | PUSHMARK (SP); |
966 | EXTEND (SP, 2); |
1090 | EXTEND (SP, 2); |
967 | PUSHs (sv_2mortal (newSViv (PTR2IV (cctx)))); |
1091 | PUSHs (sv_2mortal (newSViv ((IV)cctx))); |
968 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
1092 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
969 | PUTBACK; |
1093 | PUTBACK; |
970 | PL_op = (OP *)&myop; |
1094 | PL_op = (OP *)&myop; |
971 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1095 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
972 | SPAGAIN; |
1096 | SPAGAIN; |
973 | } |
1097 | } |
974 | |
1098 | |
|
|
1099 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
|
|
1100 | INLINE void |
|
|
1101 | transfer_tail (pTHX) |
|
|
1102 | { |
|
|
1103 | struct coro *next = (struct coro *)transfer_next; |
|
|
1104 | assert (!(transfer_next = 0)); /* just used for the side effect when asserts are enabled */ |
|
|
1105 | assert (("FATAL: next coroutine was zero in transfer_tail (please report)", next)); |
|
|
1106 | |
|
|
1107 | free_coro_mortal (aTHX); |
|
|
1108 | UNLOCK; |
|
|
1109 | |
|
|
1110 | if (expect_false (next->throw)) |
|
|
1111 | { |
|
|
1112 | SV *exception = sv_2mortal (next->throw); |
|
|
1113 | |
|
|
1114 | next->throw = 0; |
|
|
1115 | sv_setsv (ERRSV, exception); |
|
|
1116 | croak (0); |
|
|
1117 | } |
|
|
1118 | } |
|
|
1119 | |
975 | /* |
1120 | /* |
976 | * this is a _very_ stripped down perl interpreter ;) |
1121 | * this is a _very_ stripped down perl interpreter ;) |
977 | */ |
1122 | */ |
978 | static void |
1123 | static void |
979 | cctx_run (void *arg) |
1124 | cctx_run (void *arg) |
980 | { |
1125 | { |
|
|
1126 | #ifdef USE_ITHREADS |
|
|
1127 | # if CORO_PTHREAD |
|
|
1128 | PERL_SET_CONTEXT (coro_thx); |
|
|
1129 | # endif |
|
|
1130 | #endif |
|
|
1131 | { |
981 | dTHX; |
1132 | dTHX; |
982 | |
1133 | |
983 | /* cctx_run is the alternative tail of transfer(), so unlock here. */ |
1134 | /* we are the alternative tail to pp_set_stacklevel */ |
984 | UNLOCK; |
1135 | /* so do the same things here */ |
|
|
1136 | SLF_TAIL; |
985 | |
1137 | |
986 | /* we now skip the entersub that lead to transfer() */ |
1138 | /* we now skip the op that did lead to transfer() */ |
987 | PL_op = PL_op->op_next; |
1139 | PL_op = PL_op->op_next; |
988 | |
1140 | |
989 | /* inject a fake subroutine call to cctx_init */ |
1141 | /* inject a fake subroutine call to cctx_init */ |
990 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1142 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
991 | |
1143 | |
|
|
1144 | /* cctx_run is the alternative tail of transfer() */ |
|
|
1145 | transfer_tail (aTHX); |
|
|
1146 | |
992 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1147 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
993 | PL_restartop = PL_op; |
1148 | PL_restartop = PL_op; |
994 | perl_run (PL_curinterp); |
1149 | perl_run (PL_curinterp); |
995 | |
1150 | |
996 | /* |
1151 | /* |
997 | * If perl-run returns we assume exit() was being called or the coro |
1152 | * If perl-run returns we assume exit() was being called or the coro |
998 | * fell off the end, which seems to be the only valid (non-bug) |
1153 | * fell off the end, which seems to be the only valid (non-bug) |
999 | * reason for perl_run to return. We try to exit by jumping to the |
1154 | * reason for perl_run to return. We try to exit by jumping to the |
1000 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1155 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1001 | * coroutine as Coro has no such concept |
1156 | * coroutine as Coro has no such concept |
1002 | */ |
1157 | */ |
1003 | PL_top_env = main_top_env; |
1158 | PL_top_env = main_top_env; |
1004 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1159 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1160 | } |
1005 | } |
1161 | } |
1006 | |
1162 | |
1007 | static coro_cctx * |
1163 | static coro_cctx * |
1008 | cctx_new () |
1164 | cctx_new () |
1009 | { |
1165 | { |
1010 | coro_cctx *cctx; |
1166 | coro_cctx *cctx; |
|
|
1167 | |
|
|
1168 | ++cctx_count; |
|
|
1169 | New (0, cctx, 1, coro_cctx); |
|
|
1170 | |
|
|
1171 | cctx->gen = cctx_gen; |
|
|
1172 | cctx->flags = 0; |
|
|
1173 | cctx->idle_sp = 0; /* can be accessed by transfer between cctx_run and set_stacklevel, on throw */ |
|
|
1174 | |
|
|
1175 | return cctx; |
|
|
1176 | } |
|
|
1177 | |
|
|
1178 | /* create a new cctx only suitable as source */ |
|
|
1179 | static coro_cctx * |
|
|
1180 | cctx_new_empty () |
|
|
1181 | { |
|
|
1182 | coro_cctx *cctx = cctx_new (); |
|
|
1183 | |
|
|
1184 | cctx->sptr = 0; |
|
|
1185 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
|
|
1186 | |
|
|
1187 | return cctx; |
|
|
1188 | } |
|
|
1189 | |
|
|
1190 | /* create a new cctx suitable as destination/running a perl interpreter */ |
|
|
1191 | static coro_cctx * |
|
|
1192 | cctx_new_run () |
|
|
1193 | { |
|
|
1194 | coro_cctx *cctx = cctx_new (); |
1011 | void *stack_start; |
1195 | void *stack_start; |
1012 | size_t stack_size; |
1196 | size_t stack_size; |
1013 | |
1197 | |
1014 | ++cctx_count; |
|
|
1015 | |
|
|
1016 | Newz (0, cctx, 1, coro_cctx); |
|
|
1017 | |
|
|
1018 | #if HAVE_MMAP |
1198 | #if HAVE_MMAP |
1019 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1199 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1020 | /* mmap supposedly does allocate-on-write for us */ |
1200 | /* mmap supposedly does allocate-on-write for us */ |
1021 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1201 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1022 | |
1202 | |
1023 | if (cctx->sptr != (void *)-1) |
1203 | if (cctx->sptr != (void *)-1) |
1024 | { |
1204 | { |
1025 | # if CORO_STACKGUARD |
1205 | #if CORO_STACKGUARD |
1026 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1206 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1027 | # endif |
1207 | #endif |
1028 | stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
1208 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
1029 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
1209 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
1030 | cctx->flags |= CC_MAPPED; |
1210 | cctx->flags |= CC_MAPPED; |
1031 | } |
1211 | } |
1032 | else |
1212 | else |
1033 | #endif |
1213 | #endif |
1034 | { |
1214 | { |
1035 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
1215 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
1036 | New (0, cctx->sptr, coro_stacksize, long); |
1216 | New (0, cctx->sptr, cctx_stacksize, long); |
1037 | |
1217 | |
1038 | if (!cctx->sptr) |
1218 | if (!cctx->sptr) |
1039 | { |
1219 | { |
1040 | perror ("FATAL: unable to allocate stack for coroutine"); |
1220 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1041 | _exit (EXIT_FAILURE); |
1221 | _exit (EXIT_FAILURE); |
1042 | } |
1222 | } |
1043 | |
1223 | |
1044 | stack_start = cctx->sptr; |
1224 | stack_start = cctx->sptr; |
1045 | stack_size = cctx->ssize; |
1225 | stack_size = cctx->ssize; |
1046 | } |
1226 | } |
1047 | |
1227 | |
1048 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
1228 | #if CORO_USE_VALGRIND |
|
|
1229 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1230 | #endif |
|
|
1231 | |
1049 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1232 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1050 | |
1233 | |
1051 | return cctx; |
1234 | return cctx; |
1052 | } |
1235 | } |
1053 | |
1236 | |
… | |
… | |
1056 | { |
1239 | { |
1057 | if (!cctx) |
1240 | if (!cctx) |
1058 | return; |
1241 | return; |
1059 | |
1242 | |
1060 | --cctx_count; |
1243 | --cctx_count; |
|
|
1244 | coro_destroy (&cctx->cctx); |
1061 | |
1245 | |
|
|
1246 | /* coro_transfer creates new, empty cctx's */ |
|
|
1247 | if (cctx->sptr) |
|
|
1248 | { |
1062 | #if CORO_USE_VALGRIND |
1249 | #if CORO_USE_VALGRIND |
1063 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
1250 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
1064 | #endif |
1251 | #endif |
1065 | |
1252 | |
1066 | #if HAVE_MMAP |
1253 | #if HAVE_MMAP |
1067 | if (cctx->flags & CC_MAPPED) |
1254 | if (cctx->flags & CC_MAPPED) |
1068 | munmap (cctx->sptr, cctx->ssize); |
1255 | munmap (cctx->sptr, cctx->ssize); |
1069 | else |
1256 | else |
1070 | #endif |
1257 | #endif |
1071 | Safefree (cctx->sptr); |
1258 | Safefree (cctx->sptr); |
|
|
1259 | } |
1072 | |
1260 | |
1073 | Safefree (cctx); |
1261 | Safefree (cctx); |
1074 | } |
1262 | } |
1075 | |
1263 | |
1076 | /* wether this cctx should be destructed */ |
1264 | /* wether this cctx should be destructed */ |
1077 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
1265 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1078 | |
1266 | |
1079 | static coro_cctx * |
1267 | static coro_cctx * |
1080 | cctx_get (pTHX) |
1268 | cctx_get (pTHX) |
1081 | { |
1269 | { |
1082 | while (expect_true (cctx_first)) |
1270 | while (expect_true (cctx_first)) |
… | |
… | |
1089 | return cctx; |
1277 | return cctx; |
1090 | |
1278 | |
1091 | cctx_destroy (cctx); |
1279 | cctx_destroy (cctx); |
1092 | } |
1280 | } |
1093 | |
1281 | |
1094 | return cctx_new (); |
1282 | return cctx_new_run (); |
1095 | } |
1283 | } |
1096 | |
1284 | |
1097 | static void |
1285 | static void |
1098 | cctx_put (coro_cctx *cctx) |
1286 | cctx_put (coro_cctx *cctx) |
1099 | { |
1287 | { |
|
|
1288 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
|
|
1289 | |
1100 | /* free another cctx if overlimit */ |
1290 | /* free another cctx if overlimit */ |
1101 | if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) |
1291 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1102 | { |
1292 | { |
1103 | coro_cctx *first = cctx_first; |
1293 | coro_cctx *first = cctx_first; |
1104 | cctx_first = first->next; |
1294 | cctx_first = first->next; |
1105 | --cctx_idle; |
1295 | --cctx_idle; |
1106 | |
1296 | |
… | |
… | |
1126 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1316 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1127 | |
1317 | |
1128 | if (expect_false (next->flags & CF_DESTROYED)) |
1318 | if (expect_false (next->flags & CF_DESTROYED)) |
1129 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1319 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1130 | |
1320 | |
1131 | if ( |
|
|
1132 | #if PERL_VERSION_ATLEAST (5,9,0) |
1321 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1133 | expect_false (PL_parser && PL_parser->lex_state != LEX_NOTPARSING) |
|
|
1134 | #else |
|
|
1135 | expect_false (PL_lex_state != LEX_NOTPARSING) |
1322 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1136 | #endif |
|
|
1137 | ) |
|
|
1138 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
1323 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version"); |
|
|
1324 | #endif |
1139 | } |
1325 | } |
1140 | } |
1326 | } |
1141 | |
1327 | |
1142 | /* always use the TRANSFER macro */ |
1328 | /* always use the TRANSFER macro */ |
1143 | static void NOINLINE |
1329 | static void NOINLINE |
1144 | transfer (pTHX_ struct coro *prev, struct coro *next) |
1330 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1145 | { |
1331 | { |
1146 | dSTACKLEVEL; |
1332 | dSTACKLEVEL; |
1147 | static volatile int has_throw; |
|
|
1148 | |
1333 | |
1149 | /* sometimes transfer is only called to set idle_sp */ |
1334 | /* sometimes transfer is only called to set idle_sp */ |
1150 | if (expect_false (!next)) |
1335 | if (expect_false (!next)) |
1151 | { |
1336 | { |
1152 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1337 | ((coro_cctx *)prev)->idle_sp = stacklevel; |
1153 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1338 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1154 | } |
1339 | } |
1155 | else if (expect_true (prev != next)) |
1340 | else if (expect_true (prev != next)) |
1156 | { |
1341 | { |
1157 | coro_cctx *prev__cctx; |
1342 | coro_cctx *prev__cctx; |
1158 | |
1343 | |
1159 | if (expect_false (prev->flags & CF_NEW)) |
1344 | if (expect_false (prev->flags & CF_NEW)) |
1160 | { |
1345 | { |
1161 | /* create a new empty context */ |
1346 | /* create a new empty/source context */ |
1162 | Newz (0, prev->cctx, 1, coro_cctx); |
1347 | prev->cctx = cctx_new_empty (); |
1163 | prev->flags &= ~CF_NEW; |
1348 | prev->flags &= ~CF_NEW; |
1164 | prev->flags |= CF_RUNNING; |
1349 | prev->flags |= CF_RUNNING; |
1165 | } |
1350 | } |
1166 | |
1351 | |
1167 | prev->flags &= ~CF_RUNNING; |
1352 | prev->flags &= ~CF_RUNNING; |
… | |
… | |
1182 | else |
1367 | else |
1183 | load_perl (aTHX_ next); |
1368 | load_perl (aTHX_ next); |
1184 | |
1369 | |
1185 | prev__cctx = prev->cctx; |
1370 | prev__cctx = prev->cctx; |
1186 | |
1371 | |
1187 | /* possibly "free" the cctx */ |
1372 | /* possibly untie and reuse the cctx */ |
1188 | if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) |
1373 | if (expect_true ( |
|
|
1374 | prev__cctx->idle_sp == stacklevel |
|
|
1375 | && !(prev__cctx->flags & CC_TRACE) |
|
|
1376 | && !force_cctx |
|
|
1377 | )) |
1189 | { |
1378 | { |
1190 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1379 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1191 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1380 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1192 | |
1381 | |
1193 | prev->cctx = 0; |
1382 | prev->cctx = 0; |
1194 | |
1383 | |
1195 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1384 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1196 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1385 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
… | |
… | |
1204 | ++next->usecount; |
1393 | ++next->usecount; |
1205 | |
1394 | |
1206 | if (expect_true (!next->cctx)) |
1395 | if (expect_true (!next->cctx)) |
1207 | next->cctx = cctx_get (aTHX); |
1396 | next->cctx = cctx_get (aTHX); |
1208 | |
1397 | |
1209 | has_throw = !!next->throw; |
1398 | assert (("FATAL: transfer_next already nonzero in Coro (please report)", !transfer_next)); |
|
|
1399 | transfer_next = next; |
1210 | |
1400 | |
1211 | if (expect_false (prev__cctx != next->cctx)) |
1401 | if (expect_false (prev__cctx != next->cctx)) |
1212 | { |
1402 | { |
1213 | prev__cctx->top_env = PL_top_env; |
1403 | prev__cctx->top_env = PL_top_env; |
1214 | PL_top_env = next->cctx->top_env; |
1404 | PL_top_env = next->cctx->top_env; |
1215 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1405 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1216 | } |
1406 | } |
1217 | |
1407 | |
1218 | free_coro_mortal (aTHX); |
1408 | transfer_tail (aTHX); |
1219 | UNLOCK; |
|
|
1220 | |
|
|
1221 | if (expect_false (has_throw)) |
|
|
1222 | { |
|
|
1223 | struct coro *coro = SvSTATE (coro_current); |
|
|
1224 | |
|
|
1225 | if (coro->throw) |
|
|
1226 | { |
|
|
1227 | SV *exception = coro->throw; |
|
|
1228 | coro->throw = 0; |
|
|
1229 | sv_setsv (ERRSV, exception); |
|
|
1230 | croak (0); |
|
|
1231 | } |
|
|
1232 | } |
|
|
1233 | } |
1409 | } |
1234 | } |
1410 | } |
1235 | |
1411 | |
1236 | struct transfer_args |
|
|
1237 | { |
|
|
1238 | struct coro *prev, *next; |
|
|
1239 | }; |
|
|
1240 | |
|
|
1241 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
1412 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1242 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1413 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1243 | |
1414 | |
1244 | /** high level stuff ********************************************************/ |
1415 | /** high level stuff ********************************************************/ |
1245 | |
1416 | |
1246 | static int |
1417 | static int |
… | |
… | |
1270 | croak ("FATAL: tried to destroy currently running coroutine"); |
1441 | croak ("FATAL: tried to destroy currently running coroutine"); |
1271 | |
1442 | |
1272 | save_perl (aTHX_ &temp); |
1443 | save_perl (aTHX_ &temp); |
1273 | load_perl (aTHX_ coro); |
1444 | load_perl (aTHX_ coro); |
1274 | |
1445 | |
1275 | coro_destroy (aTHX_ coro); |
1446 | coro_destruct (aTHX_ coro); |
1276 | |
1447 | |
1277 | load_perl (aTHX_ &temp); |
1448 | load_perl (aTHX_ &temp); |
1278 | |
1449 | |
1279 | coro->slot = 0; |
1450 | coro->slot = 0; |
1280 | } |
1451 | } |
… | |
… | |
1334 | ta->next = SvSTATE (next_sv); |
1505 | ta->next = SvSTATE (next_sv); |
1335 | TRANSFER_CHECK (*ta); |
1506 | TRANSFER_CHECK (*ta); |
1336 | } |
1507 | } |
1337 | |
1508 | |
1338 | static void |
1509 | static void |
1339 | api_transfer (SV *prev_sv, SV *next_sv) |
1510 | api_transfer (pTHX_ SV *prev_sv, SV *next_sv) |
1340 | { |
1511 | { |
1341 | dTHX; |
|
|
1342 | struct transfer_args ta; |
1512 | struct transfer_args ta; |
1343 | |
1513 | |
1344 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1514 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1345 | TRANSFER (ta); |
1515 | TRANSFER (ta, 1); |
1346 | } |
1516 | } |
1347 | |
1517 | |
1348 | /** Coro ********************************************************************/ |
1518 | /** Coro ********************************************************************/ |
1349 | |
1519 | |
1350 | static void |
1520 | static void |
… | |
… | |
1364 | |
1534 | |
1365 | return 0; |
1535 | return 0; |
1366 | } |
1536 | } |
1367 | |
1537 | |
1368 | static int |
1538 | static int |
1369 | api_ready (SV *coro_sv) |
1539 | api_ready (pTHX_ SV *coro_sv) |
1370 | { |
1540 | { |
1371 | dTHX; |
|
|
1372 | struct coro *coro; |
1541 | struct coro *coro; |
|
|
1542 | SV *sv_hook; |
|
|
1543 | void (*xs_hook)(void); |
1373 | |
1544 | |
1374 | if (SvROK (coro_sv)) |
1545 | if (SvROK (coro_sv)) |
1375 | coro_sv = SvRV (coro_sv); |
1546 | coro_sv = SvRV (coro_sv); |
1376 | |
1547 | |
1377 | coro = SvSTATE (coro_sv); |
1548 | coro = SvSTATE (coro_sv); |
… | |
… | |
1380 | return 0; |
1551 | return 0; |
1381 | |
1552 | |
1382 | coro->flags |= CF_READY; |
1553 | coro->flags |= CF_READY; |
1383 | |
1554 | |
1384 | LOCK; |
1555 | LOCK; |
|
|
1556 | |
|
|
1557 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1558 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1559 | |
1385 | coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); |
1560 | coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv)); |
1386 | ++coro_nready; |
1561 | ++coro_nready; |
|
|
1562 | |
1387 | UNLOCK; |
1563 | UNLOCK; |
|
|
1564 | |
|
|
1565 | if (sv_hook) |
|
|
1566 | { |
|
|
1567 | dSP; |
|
|
1568 | |
|
|
1569 | ENTER; |
|
|
1570 | SAVETMPS; |
|
|
1571 | |
|
|
1572 | PUSHMARK (SP); |
|
|
1573 | PUTBACK; |
|
|
1574 | call_sv (sv_hook, G_DISCARD); |
|
|
1575 | SPAGAIN; |
|
|
1576 | |
|
|
1577 | FREETMPS; |
|
|
1578 | LEAVE; |
|
|
1579 | } |
|
|
1580 | |
|
|
1581 | if (xs_hook) |
|
|
1582 | xs_hook (); |
1388 | |
1583 | |
1389 | return 1; |
1584 | return 1; |
1390 | } |
1585 | } |
1391 | |
1586 | |
1392 | static int |
1587 | static int |
1393 | api_is_ready (SV *coro_sv) |
1588 | api_is_ready (pTHX_ SV *coro_sv) |
1394 | { |
1589 | { |
1395 | dTHX; |
|
|
1396 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1590 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1397 | } |
1591 | } |
1398 | |
1592 | |
1399 | static void |
1593 | INLINE void |
1400 | prepare_schedule (pTHX_ struct transfer_args *ta) |
1594 | prepare_schedule (pTHX_ struct transfer_args *ta) |
1401 | { |
1595 | { |
1402 | SV *prev_sv, *next_sv; |
1596 | SV *prev_sv, *next_sv; |
1403 | |
1597 | |
1404 | for (;;) |
1598 | for (;;) |
… | |
… | |
1430 | /* cannot transfer to destroyed coros, skip and look for next */ |
1624 | /* cannot transfer to destroyed coros, skip and look for next */ |
1431 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1625 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1432 | { |
1626 | { |
1433 | UNLOCK; |
1627 | UNLOCK; |
1434 | SvREFCNT_dec (next_sv); |
1628 | SvREFCNT_dec (next_sv); |
1435 | /* coro_nready is already taken care of by destroy */ |
1629 | /* coro_nready has already been taken care of by destroy */ |
1436 | continue; |
1630 | continue; |
1437 | } |
1631 | } |
1438 | |
1632 | |
1439 | --coro_nready; |
1633 | --coro_nready; |
1440 | UNLOCK; |
1634 | UNLOCK; |
… | |
… | |
1443 | |
1637 | |
1444 | /* free this only after the transfer */ |
1638 | /* free this only after the transfer */ |
1445 | prev_sv = SvRV (coro_current); |
1639 | prev_sv = SvRV (coro_current); |
1446 | ta->prev = SvSTATE (prev_sv); |
1640 | ta->prev = SvSTATE (prev_sv); |
1447 | TRANSFER_CHECK (*ta); |
1641 | TRANSFER_CHECK (*ta); |
1448 | assert (ta->next->flags & CF_READY); |
1642 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
1449 | ta->next->flags &= ~CF_READY; |
1643 | ta->next->flags &= ~CF_READY; |
1450 | SvRV_set (coro_current, next_sv); |
1644 | SvRV_set (coro_current, next_sv); |
1451 | |
1645 | |
1452 | LOCK; |
1646 | LOCK; |
1453 | free_coro_mortal (aTHX); |
1647 | free_coro_mortal (aTHX); |
1454 | coro_mortal = prev_sv; |
1648 | coro_mortal = prev_sv; |
1455 | UNLOCK; |
1649 | UNLOCK; |
1456 | } |
1650 | } |
1457 | |
1651 | |
|
|
1652 | INLINE void |
|
|
1653 | prepare_cede (pTHX_ struct transfer_args *ta) |
|
|
1654 | { |
|
|
1655 | api_ready (aTHX_ coro_current); |
|
|
1656 | prepare_schedule (aTHX_ ta); |
|
|
1657 | } |
|
|
1658 | |
1458 | static void |
1659 | static void |
1459 | prepare_cede (pTHX_ struct transfer_args *ta) |
1660 | prepare_cede_notself (pTHX_ struct transfer_args *ta) |
1460 | { |
1661 | { |
1461 | api_ready (coro_current); |
1662 | SV *prev = SvRV (coro_current); |
|
|
1663 | |
|
|
1664 | if (coro_nready) |
|
|
1665 | { |
|
|
1666 | prepare_schedule (aTHX_ ta); |
|
|
1667 | api_ready (aTHX_ prev); |
|
|
1668 | } |
|
|
1669 | else |
|
|
1670 | ta->prev = ta->next = SvSTATE (prev); |
|
|
1671 | } |
|
|
1672 | |
|
|
1673 | static void |
|
|
1674 | api_schedule (pTHX) |
|
|
1675 | { |
|
|
1676 | struct transfer_args ta; |
|
|
1677 | |
1462 | prepare_schedule (aTHX_ ta); |
1678 | prepare_schedule (aTHX_ &ta); |
|
|
1679 | TRANSFER (ta, 1); |
1463 | } |
1680 | } |
1464 | |
1681 | |
1465 | static int |
1682 | static int |
1466 | prepare_cede_notself (pTHX_ struct transfer_args *ta) |
1683 | api_cede (pTHX) |
1467 | { |
1684 | { |
1468 | if (coro_nready) |
1685 | struct transfer_args ta; |
1469 | { |
1686 | |
1470 | SV *prev = SvRV (coro_current); |
|
|
1471 | prepare_schedule (aTHX_ ta); |
1687 | prepare_cede (aTHX_ &ta); |
1472 | api_ready (prev); |
1688 | |
|
|
1689 | if (expect_true (ta.prev != ta.next)) |
|
|
1690 | { |
|
|
1691 | TRANSFER (ta, 1); |
1473 | return 1; |
1692 | return 1; |
1474 | } |
1693 | } |
1475 | else |
1694 | else |
1476 | return 0; |
1695 | return 0; |
1477 | } |
1696 | } |
1478 | |
1697 | |
1479 | static void |
|
|
1480 | api_schedule (void) |
|
|
1481 | { |
|
|
1482 | dTHX; |
|
|
1483 | struct transfer_args ta; |
|
|
1484 | |
|
|
1485 | prepare_schedule (aTHX_ &ta); |
|
|
1486 | TRANSFER (ta); |
|
|
1487 | } |
|
|
1488 | |
|
|
1489 | static int |
1698 | static int |
1490 | api_cede (void) |
1699 | api_cede_notself (pTHX) |
1491 | { |
1700 | { |
1492 | dTHX; |
1701 | if (coro_nready) |
|
|
1702 | { |
1493 | struct transfer_args ta; |
1703 | struct transfer_args ta; |
1494 | |
1704 | |
1495 | prepare_cede (aTHX_ &ta); |
1705 | prepare_cede_notself (aTHX_ &ta); |
1496 | |
|
|
1497 | if (expect_true (ta.prev != ta.next)) |
|
|
1498 | { |
|
|
1499 | TRANSFER (ta); |
1706 | TRANSFER (ta, 1); |
1500 | return 1; |
1707 | return 1; |
1501 | } |
1708 | } |
1502 | else |
1709 | else |
1503 | return 0; |
1710 | return 0; |
1504 | } |
1711 | } |
1505 | |
1712 | |
1506 | static int |
|
|
1507 | api_cede_notself (void) |
|
|
1508 | { |
|
|
1509 | dTHX; |
|
|
1510 | struct transfer_args ta; |
|
|
1511 | |
|
|
1512 | if (prepare_cede_notself (aTHX_ &ta)) |
|
|
1513 | { |
|
|
1514 | TRANSFER (ta); |
|
|
1515 | return 1; |
|
|
1516 | } |
|
|
1517 | else |
|
|
1518 | return 0; |
|
|
1519 | } |
|
|
1520 | |
|
|
1521 | static void |
1713 | static void |
1522 | api_trace (SV *coro_sv, int flags) |
1714 | api_trace (pTHX_ SV *coro_sv, int flags) |
1523 | { |
1715 | { |
1524 | dTHX; |
|
|
1525 | struct coro *coro = SvSTATE (coro_sv); |
1716 | struct coro *coro = SvSTATE (coro_sv); |
1526 | |
1717 | |
1527 | if (flags & CC_TRACE) |
1718 | if (flags & CC_TRACE) |
1528 | { |
1719 | { |
1529 | if (!coro->cctx) |
1720 | if (!coro->cctx) |
1530 | coro->cctx = cctx_new (); |
1721 | coro->cctx = cctx_new_run (); |
1531 | else if (!(coro->cctx->flags & CC_TRACE)) |
1722 | else if (!(coro->cctx->flags & CC_TRACE)) |
1532 | croak ("cannot enable tracing on coroutine with custom stack"); |
1723 | croak ("cannot enable tracing on coroutine with custom stack"); |
1533 | |
1724 | |
1534 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1725 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1535 | } |
1726 | } |
… | |
… | |
1542 | else |
1733 | else |
1543 | coro->slot->runops = RUNOPS_DEFAULT; |
1734 | coro->slot->runops = RUNOPS_DEFAULT; |
1544 | } |
1735 | } |
1545 | } |
1736 | } |
1546 | |
1737 | |
|
|
1738 | #if 0 |
|
|
1739 | static int |
|
|
1740 | coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
1741 | { |
|
|
1742 | AV *padlist; |
|
|
1743 | AV *av = (AV *)mg->mg_obj; |
|
|
1744 | |
|
|
1745 | abort (); |
|
|
1746 | |
|
|
1747 | return 0; |
|
|
1748 | } |
|
|
1749 | |
|
|
1750 | static MGVTBL coro_gensub_vtbl = { |
|
|
1751 | 0, 0, 0, 0, |
|
|
1752 | coro_gensub_free |
|
|
1753 | }; |
|
|
1754 | #endif |
|
|
1755 | |
|
|
1756 | /*****************************************************************************/ |
|
|
1757 | /* PerlIO::cede */ |
|
|
1758 | |
|
|
1759 | typedef struct |
|
|
1760 | { |
|
|
1761 | PerlIOBuf base; |
|
|
1762 | NV next, every; |
|
|
1763 | } PerlIOCede; |
|
|
1764 | |
|
|
1765 | static IV |
|
|
1766 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
|
|
1767 | { |
|
|
1768 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1769 | |
|
|
1770 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
|
|
1771 | self->next = nvtime () + self->every; |
|
|
1772 | |
|
|
1773 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
|
|
1774 | } |
|
|
1775 | |
|
|
1776 | static SV * |
|
|
1777 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
|
|
1778 | { |
|
|
1779 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1780 | |
|
|
1781 | return newSVnv (self->every); |
|
|
1782 | } |
|
|
1783 | |
|
|
1784 | static IV |
|
|
1785 | PerlIOCede_flush (pTHX_ PerlIO *f) |
|
|
1786 | { |
|
|
1787 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1788 | double now = nvtime (); |
|
|
1789 | |
|
|
1790 | if (now >= self->next) |
|
|
1791 | { |
|
|
1792 | api_cede (aTHX); |
|
|
1793 | self->next = now + self->every; |
|
|
1794 | } |
|
|
1795 | |
|
|
1796 | return PerlIOBuf_flush (aTHX_ f); |
|
|
1797 | } |
|
|
1798 | |
|
|
1799 | static PerlIO_funcs PerlIO_cede = |
|
|
1800 | { |
|
|
1801 | sizeof(PerlIO_funcs), |
|
|
1802 | "cede", |
|
|
1803 | sizeof(PerlIOCede), |
|
|
1804 | PERLIO_K_DESTRUCT | PERLIO_K_RAW, |
|
|
1805 | PerlIOCede_pushed, |
|
|
1806 | PerlIOBuf_popped, |
|
|
1807 | PerlIOBuf_open, |
|
|
1808 | PerlIOBase_binmode, |
|
|
1809 | PerlIOCede_getarg, |
|
|
1810 | PerlIOBase_fileno, |
|
|
1811 | PerlIOBuf_dup, |
|
|
1812 | PerlIOBuf_read, |
|
|
1813 | PerlIOBuf_unread, |
|
|
1814 | PerlIOBuf_write, |
|
|
1815 | PerlIOBuf_seek, |
|
|
1816 | PerlIOBuf_tell, |
|
|
1817 | PerlIOBuf_close, |
|
|
1818 | PerlIOCede_flush, |
|
|
1819 | PerlIOBuf_fill, |
|
|
1820 | PerlIOBase_eof, |
|
|
1821 | PerlIOBase_error, |
|
|
1822 | PerlIOBase_clearerr, |
|
|
1823 | PerlIOBase_setlinebuf, |
|
|
1824 | PerlIOBuf_get_base, |
|
|
1825 | PerlIOBuf_bufsiz, |
|
|
1826 | PerlIOBuf_get_ptr, |
|
|
1827 | PerlIOBuf_get_cnt, |
|
|
1828 | PerlIOBuf_set_ptrcnt, |
|
|
1829 | }; |
|
|
1830 | |
|
|
1831 | /*****************************************************************************/ |
|
|
1832 | |
|
|
1833 | static const CV *slf_cv; /* for quick consistency check */ |
|
|
1834 | |
|
|
1835 | static UNOP slf_restore; /* restore stack as entersub did, for first-re-run */ |
|
|
1836 | static SV *slf_arg0; |
|
|
1837 | static SV *slf_arg1; |
|
|
1838 | |
|
|
1839 | /* this restores the stack in the case we patched the entersub, to */ |
|
|
1840 | /* recreate the stack frame as perl will on following calls */ |
|
|
1841 | /* since entersub cleared the stack */ |
|
|
1842 | static OP * |
|
|
1843 | pp_restore (pTHX) |
|
|
1844 | { |
|
|
1845 | dSP; |
|
|
1846 | |
|
|
1847 | PUSHMARK (SP); |
|
|
1848 | |
|
|
1849 | EXTEND (SP, 3); |
|
|
1850 | if (slf_arg0) PUSHs (sv_2mortal (slf_arg0)); |
|
|
1851 | if (slf_arg1) PUSHs (sv_2mortal (slf_arg1)); |
|
|
1852 | PUSHs ((SV *)CvGV (slf_cv)); |
|
|
1853 | |
|
|
1854 | RETURNOP (slf_restore.op_first); |
|
|
1855 | } |
|
|
1856 | |
|
|
1857 | #define OPpENTERSUB_SLF 15 /* the part of op_private entersub hopefully doesn't use */ |
|
|
1858 | |
|
|
1859 | enum { |
|
|
1860 | CORO_SLF_CUSTOM = 0, |
|
|
1861 | CORO_SLF_SET_STACKLEVEL = 1, |
|
|
1862 | CORO_SLF_TRANSFER = 2 |
|
|
1863 | }; |
|
|
1864 | |
|
|
1865 | /* declare prototype */ |
|
|
1866 | XS(XS_Coro__State__set_stacklevel); |
|
|
1867 | |
|
|
1868 | /* |
|
|
1869 | * these not obviously related functions are all rolled into one |
|
|
1870 | * function to increase chances that they all will call transfer with the same |
|
|
1871 | * stack offset |
|
|
1872 | * SLF stands for "schedule-like-function". |
|
|
1873 | */ |
|
|
1874 | static OP * |
|
|
1875 | pp_slf (pTHX) |
|
|
1876 | { |
|
|
1877 | dSP; |
|
|
1878 | struct transfer_args ta; |
|
|
1879 | SV **arg = PL_stack_base + TOPMARK + 1; |
|
|
1880 | int items = SP - arg; /* args without function object */ |
|
|
1881 | int ix = PL_op->op_private & OPpENTERSUB_SLF; |
|
|
1882 | struct CoroSLF *slf = 0; |
|
|
1883 | |
|
|
1884 | /* do a quick consistency check on the "function" object, and if it isn't */ |
|
|
1885 | /* for us, divert to the real entersub */ |
|
|
1886 | if (SvTYPE (*sp) != SVt_PVGV || CvXSUB (GvCV (*sp)) != XS_Coro__State__set_stacklevel) |
|
|
1887 | return PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
1888 | |
|
|
1889 | /* pop args */ |
|
|
1890 | SP = PL_stack_base + POPMARK; |
|
|
1891 | |
|
|
1892 | if (!(PL_op->op_flags & OPf_STACKED)) |
|
|
1893 | { |
|
|
1894 | /* ampersand-form of call, use @_ instead of stack */ |
|
|
1895 | AV *av = GvAV (PL_defgv); |
|
|
1896 | arg = AvARRAY (av); |
|
|
1897 | items = AvFILLp (av) + 1; |
|
|
1898 | } |
|
|
1899 | |
|
|
1900 | PUTBACK; |
|
|
1901 | |
|
|
1902 | if (!ix) |
|
|
1903 | { |
|
|
1904 | slf = (struct CoroSLF *)CvSTART (GvCV (*sp)); |
|
|
1905 | ix = slf->prepare (aTHX_ arg, items); |
|
|
1906 | } |
|
|
1907 | |
|
|
1908 | switch (ix) |
|
|
1909 | { |
|
|
1910 | case CORO_SLF_SET_STACKLEVEL: |
|
|
1911 | prepare_set_stacklevel (&ta, (struct coro_cctx *)SvIV (arg [0])); |
|
|
1912 | break; |
|
|
1913 | |
|
|
1914 | case CORO_SLF_TRANSFER: |
|
|
1915 | if (items != 2) |
|
|
1916 | croak ("Coro::State::transfer (prev, next) expects two arguments, not %d.", items); |
|
|
1917 | |
|
|
1918 | prepare_transfer (aTHX_ &ta, arg [0], arg [1]); |
|
|
1919 | break; |
|
|
1920 | |
|
|
1921 | case CORO_SLF_SCHEDULE: |
|
|
1922 | prepare_schedule (aTHX_ &ta); |
|
|
1923 | break; |
|
|
1924 | |
|
|
1925 | case CORO_SLF_CEDE: |
|
|
1926 | prepare_cede (aTHX_ &ta); |
|
|
1927 | break; |
|
|
1928 | |
|
|
1929 | case CORO_SLF_CEDE_NOTSELF: |
|
|
1930 | prepare_cede_notself (aTHX_ &ta); |
|
|
1931 | break; |
|
|
1932 | |
|
|
1933 | default: |
|
|
1934 | abort (); |
|
|
1935 | } |
|
|
1936 | |
|
|
1937 | do |
|
|
1938 | TRANSFER (ta, 0); |
|
|
1939 | while (slf && slf->check (aTHX)); |
|
|
1940 | |
|
|
1941 | SPAGAIN; |
|
|
1942 | |
|
|
1943 | PUTBACK; |
|
|
1944 | SLF_TAIL; |
|
|
1945 | SPAGAIN; |
|
|
1946 | RETURN; |
|
|
1947 | } |
|
|
1948 | |
|
|
1949 | static void |
|
|
1950 | coro_slf_patch (pTHX_ CV *cv, int ix, SV **args, int items) |
|
|
1951 | { |
|
|
1952 | assert (("FATAL: SLF call recursion in Coro module (please report)", PL_op->op_ppaddr != pp_slf)); |
|
|
1953 | |
|
|
1954 | assert (("FATAL: SLF call with illegal CV value", CvGV (cv))); |
|
|
1955 | slf_cv = cv; |
|
|
1956 | |
|
|
1957 | /* we patch the op, and then re-run the whole call */ |
|
|
1958 | /* we have to put the same argument on the stack for this to work */ |
|
|
1959 | /* and this will be done by pp_restore */ |
|
|
1960 | slf_restore.op_next = (OP *)&slf_restore; |
|
|
1961 | slf_restore.op_type = OP_NULL; |
|
|
1962 | slf_restore.op_ppaddr = pp_restore; |
|
|
1963 | slf_restore.op_first = PL_op; |
|
|
1964 | |
|
|
1965 | slf_arg0 = items > 0 ? SvREFCNT_inc (args [0]) : 0; |
|
|
1966 | slf_arg1 = items > 1 ? SvREFCNT_inc (args [1]) : 0; |
|
|
1967 | |
|
|
1968 | PL_op->op_ppaddr = pp_slf; |
|
|
1969 | PL_op->op_private = PL_op->op_private & ~OPpENTERSUB_SLF | ix; /* we potentially share our private flags with entersub */ |
|
|
1970 | |
|
|
1971 | PL_op = (OP *)&slf_restore; |
|
|
1972 | } |
|
|
1973 | |
1547 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1974 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1548 | |
1975 | |
1549 | PROTOTYPES: DISABLE |
1976 | PROTOTYPES: DISABLE |
1550 | |
1977 | |
1551 | BOOT: |
1978 | BOOT: |
1552 | { |
1979 | { |
1553 | #ifdef USE_ITHREADS |
1980 | #ifdef USE_ITHREADS |
1554 | MUTEX_INIT (&coro_mutex); |
1981 | MUTEX_INIT (&coro_lock); |
|
|
1982 | # if CORO_PTHREAD |
|
|
1983 | coro_thx = PERL_GET_CONTEXT; |
|
|
1984 | # endif |
1555 | #endif |
1985 | #endif |
1556 | BOOT_PAGESIZE; |
1986 | BOOT_PAGESIZE; |
1557 | |
1987 | |
1558 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1988 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1559 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
1989 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
1560 | |
1990 | |
1561 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; |
1991 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
1562 | PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
1992 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
1563 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; |
1993 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
1564 | PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
|
|
1565 | |
1994 | |
1566 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
1995 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
1567 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
1996 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
1568 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
1997 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
1569 | |
1998 | |
… | |
… | |
1578 | main_top_env = PL_top_env; |
2007 | main_top_env = PL_top_env; |
1579 | |
2008 | |
1580 | while (main_top_env->je_prev) |
2009 | while (main_top_env->je_prev) |
1581 | main_top_env = main_top_env->je_prev; |
2010 | main_top_env = main_top_env->je_prev; |
1582 | |
2011 | |
1583 | coroapi.ver = CORO_API_VERSION; |
2012 | coroapi.ver = CORO_API_VERSION; |
1584 | coroapi.rev = CORO_API_REVISION; |
2013 | coroapi.rev = CORO_API_REVISION; |
1585 | coroapi.transfer = api_transfer; |
2014 | coroapi.transfer = api_transfer; |
|
|
2015 | |
|
|
2016 | { |
|
|
2017 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2018 | |
|
|
2019 | if (!svp) croak ("Time::HiRes is required"); |
|
|
2020 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
2021 | |
|
|
2022 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
2023 | } |
1586 | |
2024 | |
1587 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2025 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1588 | } |
2026 | } |
1589 | |
2027 | |
1590 | SV * |
2028 | SV * |
… | |
… | |
1614 | av_push (coro->args, newSVsv (ST (i))); |
2052 | av_push (coro->args, newSVsv (ST (i))); |
1615 | } |
2053 | } |
1616 | OUTPUT: |
2054 | OUTPUT: |
1617 | RETVAL |
2055 | RETVAL |
1618 | |
2056 | |
1619 | # these not obviously related functions are all rolled into the same xs |
|
|
1620 | # function to increase chances that they all will call transfer with the same |
|
|
1621 | # stack offset |
|
|
1622 | void |
2057 | void |
1623 | _set_stacklevel (...) |
2058 | _set_stacklevel (...) |
1624 | ALIAS: |
2059 | ALIAS: |
|
|
2060 | _set_stacklevel = CORO_SLF_SET_STACKLEVEL |
1625 | Coro::State::transfer = 1 |
2061 | Coro::State::transfer = CORO_SLF_TRANSFER |
1626 | Coro::schedule = 2 |
2062 | Coro::schedule = CORO_SLF_SCHEDULE |
1627 | Coro::cede = 3 |
2063 | Coro::cede = CORO_SLF_CEDE |
1628 | Coro::cede_notself = 4 |
2064 | Coro::cede_notself = CORO_SLF_CEDE_NOTSELF |
1629 | CODE: |
2065 | CODE: |
1630 | { |
2066 | coro_slf_patch (aTHX_ cv, ix, &ST (0), items); |
1631 | struct transfer_args ta; |
|
|
1632 | |
|
|
1633 | PUTBACK; |
|
|
1634 | switch (ix) |
|
|
1635 | { |
|
|
1636 | case 0: |
|
|
1637 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
|
|
1638 | ta.next = 0; |
|
|
1639 | break; |
|
|
1640 | |
|
|
1641 | case 1: |
|
|
1642 | if (items != 2) |
|
|
1643 | croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); |
|
|
1644 | |
|
|
1645 | prepare_transfer (aTHX_ &ta, ST (0), ST (1)); |
|
|
1646 | break; |
|
|
1647 | |
|
|
1648 | case 2: |
|
|
1649 | prepare_schedule (aTHX_ &ta); |
|
|
1650 | break; |
|
|
1651 | |
|
|
1652 | case 3: |
|
|
1653 | prepare_cede (aTHX_ &ta); |
|
|
1654 | break; |
|
|
1655 | |
|
|
1656 | case 4: |
|
|
1657 | if (!prepare_cede_notself (aTHX_ &ta)) |
|
|
1658 | XSRETURN_EMPTY; |
|
|
1659 | |
|
|
1660 | break; |
|
|
1661 | } |
|
|
1662 | SPAGAIN; |
|
|
1663 | |
|
|
1664 | BARRIER; |
|
|
1665 | PUTBACK; |
|
|
1666 | TRANSFER (ta); |
|
|
1667 | SPAGAIN; /* might be the sp of a different coroutine now */ |
|
|
1668 | /* be extra careful not to ever do anything after TRANSFER */ |
|
|
1669 | } |
|
|
1670 | |
2067 | |
1671 | bool |
2068 | bool |
1672 | _destroy (SV *coro_sv) |
2069 | _destroy (SV *coro_sv) |
1673 | CODE: |
2070 | CODE: |
1674 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
2071 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1675 | OUTPUT: |
2072 | OUTPUT: |
1676 | RETVAL |
2073 | RETVAL |
1677 | |
2074 | |
1678 | void |
2075 | void |
1679 | _exit (code) |
2076 | _exit (int code) |
1680 | int code |
|
|
1681 | PROTOTYPE: $ |
2077 | PROTOTYPE: $ |
1682 | CODE: |
2078 | CODE: |
1683 | _exit (code); |
2079 | _exit (code); |
1684 | |
2080 | |
1685 | int |
2081 | int |
1686 | cctx_stacksize (int new_stacksize = 0) |
2082 | cctx_stacksize (int new_stacksize = 0) |
1687 | CODE: |
2083 | CODE: |
1688 | RETVAL = coro_stacksize; |
2084 | RETVAL = cctx_stacksize; |
1689 | if (new_stacksize) |
2085 | if (new_stacksize) |
|
|
2086 | { |
1690 | coro_stacksize = new_stacksize; |
2087 | cctx_stacksize = new_stacksize; |
|
|
2088 | ++cctx_gen; |
|
|
2089 | } |
|
|
2090 | OUTPUT: |
|
|
2091 | RETVAL |
|
|
2092 | |
|
|
2093 | int |
|
|
2094 | cctx_max_idle (int max_idle = 0) |
|
|
2095 | CODE: |
|
|
2096 | RETVAL = cctx_max_idle; |
|
|
2097 | if (max_idle > 1) |
|
|
2098 | cctx_max_idle = max_idle; |
1691 | OUTPUT: |
2099 | OUTPUT: |
1692 | RETVAL |
2100 | RETVAL |
1693 | |
2101 | |
1694 | int |
2102 | int |
1695 | cctx_count () |
2103 | cctx_count () |
… | |
… | |
1719 | call (Coro::State coro, SV *coderef) |
2127 | call (Coro::State coro, SV *coderef) |
1720 | ALIAS: |
2128 | ALIAS: |
1721 | eval = 1 |
2129 | eval = 1 |
1722 | CODE: |
2130 | CODE: |
1723 | { |
2131 | { |
1724 | if (coro->mainstack) |
2132 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
1725 | { |
2133 | { |
1726 | struct coro temp; |
2134 | struct coro temp; |
1727 | |
2135 | |
1728 | if (!(coro->flags & CF_RUNNING)) |
2136 | if (!(coro->flags & CF_RUNNING)) |
1729 | { |
2137 | { |
… | |
… | |
1773 | RETVAL = boolSV (coro->flags & ix); |
2181 | RETVAL = boolSV (coro->flags & ix); |
1774 | OUTPUT: |
2182 | OUTPUT: |
1775 | RETVAL |
2183 | RETVAL |
1776 | |
2184 | |
1777 | void |
2185 | void |
|
|
2186 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
2187 | PROTOTYPE: $;$ |
|
|
2188 | CODE: |
|
|
2189 | SvREFCNT_dec (self->throw); |
|
|
2190 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
2191 | |
|
|
2192 | void |
1778 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
2193 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
|
|
2194 | C_ARGS: aTHX_ coro, flags |
1779 | |
2195 | |
1780 | SV * |
2196 | SV * |
1781 | has_stack (Coro::State coro) |
2197 | has_cctx (Coro::State coro) |
1782 | PROTOTYPE: $ |
2198 | PROTOTYPE: $ |
1783 | CODE: |
2199 | CODE: |
1784 | RETVAL = boolSV (!!coro->cctx); |
2200 | RETVAL = boolSV (!!coro->cctx); |
1785 | OUTPUT: |
2201 | OUTPUT: |
1786 | RETVAL |
2202 | RETVAL |
… | |
… | |
1791 | CODE: |
2207 | CODE: |
1792 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
2208 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
1793 | OUTPUT: |
2209 | OUTPUT: |
1794 | RETVAL |
2210 | RETVAL |
1795 | |
2211 | |
1796 | IV |
2212 | UV |
1797 | rss (Coro::State coro) |
2213 | rss (Coro::State coro) |
1798 | PROTOTYPE: $ |
2214 | PROTOTYPE: $ |
1799 | ALIAS: |
2215 | ALIAS: |
1800 | usecount = 1 |
2216 | usecount = 1 |
1801 | CODE: |
2217 | CODE: |
… | |
… | |
1811 | force_cctx () |
2227 | force_cctx () |
1812 | CODE: |
2228 | CODE: |
1813 | struct coro *coro = SvSTATE (coro_current); |
2229 | struct coro *coro = SvSTATE (coro_current); |
1814 | coro->cctx->idle_sp = 0; |
2230 | coro->cctx->idle_sp = 0; |
1815 | |
2231 | |
1816 | MODULE = Coro::State PACKAGE = Coro |
|
|
1817 | |
|
|
1818 | BOOT: |
|
|
1819 | { |
|
|
1820 | int i; |
|
|
1821 | |
|
|
1822 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
|
|
1823 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
|
|
1824 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
1825 | |
|
|
1826 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
|
|
1827 | SvREADONLY_on (coro_current); |
|
|
1828 | |
|
|
1829 | coro_stash = gv_stashpv ("Coro", TRUE); |
|
|
1830 | |
|
|
1831 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
|
|
1832 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
|
|
1833 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
|
|
1834 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
|
|
1835 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
|
|
1836 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
|
|
1837 | |
|
|
1838 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
1839 | coro_ready[i] = newAV (); |
|
|
1840 | |
|
|
1841 | { |
|
|
1842 | SV *sv = perl_get_sv ("Coro::API", TRUE); |
|
|
1843 | perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */ |
|
|
1844 | |
|
|
1845 | coroapi.schedule = api_schedule; |
|
|
1846 | coroapi.cede = api_cede; |
|
|
1847 | coroapi.cede_notself = api_cede_notself; |
|
|
1848 | coroapi.ready = api_ready; |
|
|
1849 | coroapi.is_ready = api_is_ready; |
|
|
1850 | coroapi.nready = &coro_nready; |
|
|
1851 | coroapi.current = coro_current; |
|
|
1852 | |
|
|
1853 | GCoroAPI = &coroapi; |
|
|
1854 | sv_setiv (sv, (IV)&coroapi); |
|
|
1855 | SvREADONLY_on (sv); |
|
|
1856 | } |
|
|
1857 | } |
|
|
1858 | |
|
|
1859 | void |
|
|
1860 | _set_current (SV *current) |
|
|
1861 | PROTOTYPE: $ |
|
|
1862 | CODE: |
|
|
1863 | SvREFCNT_dec (SvRV (coro_current)); |
|
|
1864 | SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); |
|
|
1865 | |
|
|
1866 | int |
|
|
1867 | prio (Coro::State coro, int newprio = 0) |
|
|
1868 | ALIAS: |
|
|
1869 | nice = 1 |
|
|
1870 | CODE: |
|
|
1871 | { |
|
|
1872 | RETVAL = coro->prio; |
|
|
1873 | |
|
|
1874 | if (items > 1) |
|
|
1875 | { |
|
|
1876 | if (ix) |
|
|
1877 | newprio = coro->prio - newprio; |
|
|
1878 | |
|
|
1879 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
|
|
1880 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
|
|
1881 | |
|
|
1882 | coro->prio = newprio; |
|
|
1883 | } |
|
|
1884 | } |
|
|
1885 | OUTPUT: |
|
|
1886 | RETVAL |
|
|
1887 | |
|
|
1888 | SV * |
|
|
1889 | ready (SV *self) |
|
|
1890 | PROTOTYPE: $ |
|
|
1891 | CODE: |
|
|
1892 | RETVAL = boolSV (api_ready (self)); |
|
|
1893 | OUTPUT: |
|
|
1894 | RETVAL |
|
|
1895 | |
|
|
1896 | int |
|
|
1897 | nready (...) |
|
|
1898 | PROTOTYPE: |
|
|
1899 | CODE: |
|
|
1900 | RETVAL = coro_nready; |
|
|
1901 | OUTPUT: |
|
|
1902 | RETVAL |
|
|
1903 | |
|
|
1904 | void |
|
|
1905 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
1906 | PROTOTYPE: $;$ |
|
|
1907 | CODE: |
|
|
1908 | SvREFCNT_dec (self->throw); |
|
|
1909 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
1910 | |
|
|
1911 | void |
2232 | void |
1912 | swap_defsv (Coro::State self) |
2233 | swap_defsv (Coro::State self) |
1913 | PROTOTYPE: $ |
2234 | PROTOTYPE: $ |
1914 | ALIAS: |
2235 | ALIAS: |
1915 | swap_defav = 1 |
2236 | swap_defav = 1 |
… | |
… | |
1922 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
2243 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
1923 | |
2244 | |
1924 | SV *tmp = *src; *src = *dst; *dst = tmp; |
2245 | SV *tmp = *src; *src = *dst; *dst = tmp; |
1925 | } |
2246 | } |
1926 | |
2247 | |
|
|
2248 | MODULE = Coro::State PACKAGE = Coro |
|
|
2249 | |
|
|
2250 | BOOT: |
|
|
2251 | { |
|
|
2252 | int i; |
|
|
2253 | |
|
|
2254 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2255 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
|
|
2256 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
|
|
2257 | |
|
|
2258 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
|
|
2259 | SvREADONLY_on (coro_current); |
|
|
2260 | |
|
|
2261 | coro_stash = gv_stashpv ("Coro", TRUE); |
|
|
2262 | |
|
|
2263 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
|
|
2264 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
|
|
2265 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
|
|
2266 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
|
|
2267 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
|
|
2268 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
|
|
2269 | |
|
|
2270 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
2271 | coro_ready[i] = newAV (); |
|
|
2272 | |
|
|
2273 | { |
|
|
2274 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
|
|
2275 | |
|
|
2276 | coroapi.schedule = api_schedule; |
|
|
2277 | coroapi.cede = api_cede; |
|
|
2278 | coroapi.cede_notself = api_cede_notself; |
|
|
2279 | coroapi.ready = api_ready; |
|
|
2280 | coroapi.is_ready = api_is_ready; |
|
|
2281 | coroapi.nready = coro_nready; |
|
|
2282 | coroapi.current = coro_current; |
|
|
2283 | |
|
|
2284 | GCoroAPI = &coroapi; |
|
|
2285 | sv_setiv (sv, (IV)&coroapi); |
|
|
2286 | SvREADONLY_on (sv); |
|
|
2287 | } |
|
|
2288 | } |
|
|
2289 | |
|
|
2290 | void |
|
|
2291 | _set_current (SV *current) |
|
|
2292 | PROTOTYPE: $ |
|
|
2293 | CODE: |
|
|
2294 | SvREFCNT_dec (SvRV (coro_current)); |
|
|
2295 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
|
|
2296 | |
|
|
2297 | void |
|
|
2298 | _set_readyhook (SV *hook) |
|
|
2299 | PROTOTYPE: $ |
|
|
2300 | CODE: |
|
|
2301 | LOCK; |
|
|
2302 | SvREFCNT_dec (coro_readyhook); |
|
|
2303 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
|
|
2304 | UNLOCK; |
|
|
2305 | |
|
|
2306 | int |
|
|
2307 | prio (Coro::State coro, int newprio = 0) |
|
|
2308 | ALIAS: |
|
|
2309 | nice = 1 |
|
|
2310 | CODE: |
|
|
2311 | { |
|
|
2312 | RETVAL = coro->prio; |
|
|
2313 | |
|
|
2314 | if (items > 1) |
|
|
2315 | { |
|
|
2316 | if (ix) |
|
|
2317 | newprio = coro->prio - newprio; |
|
|
2318 | |
|
|
2319 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
|
|
2320 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
|
|
2321 | |
|
|
2322 | coro->prio = newprio; |
|
|
2323 | } |
|
|
2324 | } |
|
|
2325 | OUTPUT: |
|
|
2326 | RETVAL |
|
|
2327 | |
|
|
2328 | SV * |
|
|
2329 | ready (SV *self) |
|
|
2330 | PROTOTYPE: $ |
|
|
2331 | CODE: |
|
|
2332 | RETVAL = boolSV (api_ready (aTHX_ self)); |
|
|
2333 | OUTPUT: |
|
|
2334 | RETVAL |
|
|
2335 | |
|
|
2336 | int |
|
|
2337 | nready (...) |
|
|
2338 | PROTOTYPE: |
|
|
2339 | CODE: |
|
|
2340 | RETVAL = coro_nready; |
|
|
2341 | OUTPUT: |
|
|
2342 | RETVAL |
|
|
2343 | |
1927 | # for async_pool speedup |
2344 | # for async_pool speedup |
1928 | void |
2345 | void |
1929 | _pool_1 (SV *cb) |
2346 | _pool_1 (SV *cb) |
1930 | CODE: |
2347 | CODE: |
1931 | { |
2348 | { |
… | |
… | |
1936 | AV *invoke_av; |
2353 | AV *invoke_av; |
1937 | int i, len; |
2354 | int i, len; |
1938 | |
2355 | |
1939 | if (!invoke) |
2356 | if (!invoke) |
1940 | { |
2357 | { |
1941 | SvREFCNT_dec (PL_diehook); PL_diehook = 0; |
2358 | SV *old = PL_diehook; |
|
|
2359 | PL_diehook = 0; |
|
|
2360 | SvREFCNT_dec (old); |
1942 | croak ("\3async_pool terminate\2\n"); |
2361 | croak ("\3async_pool terminate\2\n"); |
1943 | } |
2362 | } |
1944 | |
2363 | |
1945 | SvREFCNT_dec (coro->saved_deffh); |
2364 | SvREFCNT_dec (coro->saved_deffh); |
1946 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
2365 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
1947 | |
2366 | |
1948 | hv_store (hv, "desc", sizeof ("desc") - 1, |
2367 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1949 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
2368 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
1950 | |
2369 | |
1951 | invoke_av = (AV *)SvRV (invoke); |
2370 | invoke_av = (AV *)SvRV (invoke); |
… | |
… | |
1955 | |
2374 | |
1956 | if (len > 0) |
2375 | if (len > 0) |
1957 | { |
2376 | { |
1958 | av_fill (defav, len - 1); |
2377 | av_fill (defav, len - 1); |
1959 | for (i = 0; i < len; ++i) |
2378 | for (i = 0; i < len; ++i) |
1960 | av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); |
2379 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
1961 | } |
2380 | } |
1962 | |
2381 | |
1963 | SvREFCNT_dec (invoke); |
2382 | SvREFCNT_dec (invoke); |
1964 | } |
2383 | } |
1965 | |
2384 | |
… | |
… | |
1972 | sv_setsv (cb, &PL_sv_undef); |
2391 | sv_setsv (cb, &PL_sv_undef); |
1973 | |
2392 | |
1974 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2393 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1975 | coro->saved_deffh = 0; |
2394 | coro->saved_deffh = 0; |
1976 | |
2395 | |
1977 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
2396 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1978 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2397 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1979 | { |
2398 | { |
1980 | SvREFCNT_dec (PL_diehook); PL_diehook = 0; |
2399 | SV *old = PL_diehook; |
|
|
2400 | PL_diehook = 0; |
|
|
2401 | SvREFCNT_dec (old); |
1981 | croak ("\3async_pool terminate\2\n"); |
2402 | croak ("\3async_pool terminate\2\n"); |
1982 | } |
2403 | } |
1983 | |
2404 | |
1984 | av_clear (GvAV (PL_defgv)); |
2405 | av_clear (GvAV (PL_defgv)); |
1985 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
2406 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1986 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
2407 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1987 | |
2408 | |
1988 | coro->prio = 0; |
2409 | coro->prio = 0; |
1989 | |
2410 | |
1990 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2411 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
1991 | api_trace (coro_current, 0); |
2412 | api_trace (aTHX_ coro_current, 0); |
1992 | |
2413 | |
1993 | av_push (av_async_pool, newSVsv (coro_current)); |
2414 | av_push (av_async_pool, newSVsv (coro_current)); |
1994 | } |
2415 | } |
1995 | |
2416 | |
|
|
2417 | #if 0 |
|
|
2418 | |
|
|
2419 | void |
|
|
2420 | _generator_call (...) |
|
|
2421 | PROTOTYPE: @ |
|
|
2422 | PPCODE: |
|
|
2423 | fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr); |
|
|
2424 | xxxx |
|
|
2425 | abort (); |
|
|
2426 | |
|
|
2427 | SV * |
|
|
2428 | gensub (SV *sub, ...) |
|
|
2429 | PROTOTYPE: &;@ |
|
|
2430 | CODE: |
|
|
2431 | { |
|
|
2432 | struct coro *coro; |
|
|
2433 | MAGIC *mg; |
|
|
2434 | CV *xcv; |
|
|
2435 | CV *ncv = (CV *)newSV_type (SVt_PVCV); |
|
|
2436 | int i; |
|
|
2437 | |
|
|
2438 | CvGV (ncv) = CvGV (cv); |
|
|
2439 | CvFILE (ncv) = CvFILE (cv); |
|
|
2440 | |
|
|
2441 | Newz (0, coro, 1, struct coro); |
|
|
2442 | coro->args = newAV (); |
|
|
2443 | coro->flags = CF_NEW; |
|
|
2444 | |
|
|
2445 | av_extend (coro->args, items - 1); |
|
|
2446 | for (i = 1; i < items; i++) |
|
|
2447 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2448 | |
|
|
2449 | CvISXSUB_on (ncv); |
|
|
2450 | CvXSUBANY (ncv).any_ptr = (void *)coro; |
|
|
2451 | |
|
|
2452 | xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV)); |
|
|
2453 | |
|
|
2454 | CvXSUB (ncv) = CvXSUB (xcv); |
|
|
2455 | CvANON_on (ncv); |
|
|
2456 | |
|
|
2457 | mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0); |
|
|
2458 | RETVAL = newRV_noinc ((SV *)ncv); |
|
|
2459 | } |
|
|
2460 | OUTPUT: |
|
|
2461 | RETVAL |
|
|
2462 | |
|
|
2463 | #endif |
|
|
2464 | |
1996 | |
2465 | |
1997 | MODULE = Coro::State PACKAGE = Coro::AIO |
2466 | MODULE = Coro::State PACKAGE = Coro::AIO |
1998 | |
2467 | |
1999 | SV * |
2468 | void |
2000 | _get_state () |
2469 | _get_state (SV *self) |
2001 | CODE: |
2470 | PPCODE: |
2002 | { |
2471 | { |
2003 | struct io_state *data; |
2472 | AV *defav = GvAV (PL_defgv); |
2004 | |
2473 | AV *av = newAV (); |
|
|
2474 | int i; |
2005 | RETVAL = newSV (sizeof (struct io_state)); |
2475 | SV *data_sv = newSV (sizeof (struct io_state)); |
2006 | data = (struct io_state *)SvPVX (RETVAL); |
2476 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
2007 | SvCUR_set (RETVAL, sizeof (struct io_state)); |
2477 | SvCUR_set (data_sv, sizeof (struct io_state)); |
2008 | SvPOK_only (RETVAL); |
2478 | SvPOK_only (data_sv); |
2009 | |
2479 | |
2010 | data->errorno = errno; |
2480 | data->errorno = errno; |
2011 | data->laststype = PL_laststype; |
2481 | data->laststype = PL_laststype; |
2012 | data->laststatval = PL_laststatval; |
2482 | data->laststatval = PL_laststatval; |
2013 | data->statcache = PL_statcache; |
2483 | data->statcache = PL_statcache; |
|
|
2484 | |
|
|
2485 | av_extend (av, AvFILLp (defav) + 1 + 1); |
|
|
2486 | |
|
|
2487 | for (i = 0; i <= AvFILLp (defav); ++i) |
|
|
2488 | av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i])); |
|
|
2489 | |
|
|
2490 | av_push (av, data_sv); |
|
|
2491 | |
|
|
2492 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
2493 | |
|
|
2494 | api_ready (aTHX_ self); |
2014 | } |
2495 | } |
2015 | OUTPUT: |
|
|
2016 | RETVAL |
|
|
2017 | |
2496 | |
2018 | void |
2497 | void |
2019 | _set_state (char *data_) |
2498 | _set_state (SV *state) |
2020 | PROTOTYPE: $ |
2499 | PROTOTYPE: $ |
2021 | CODE: |
2500 | PPCODE: |
2022 | { |
2501 | { |
2023 | struct io_state *data = (void *)data_; |
2502 | AV *av = (AV *)SvRV (state); |
|
|
2503 | struct io_state *data = (struct io_state *)SvPVX (AvARRAY (av)[AvFILLp (av)]); |
|
|
2504 | int i; |
2024 | |
2505 | |
2025 | errno = data->errorno; |
2506 | errno = data->errorno; |
2026 | PL_laststype = data->laststype; |
2507 | PL_laststype = data->laststype; |
2027 | PL_laststatval = data->laststatval; |
2508 | PL_laststatval = data->laststatval; |
2028 | PL_statcache = data->statcache; |
2509 | PL_statcache = data->statcache; |
2029 | } |
|
|
2030 | |
2510 | |
|
|
2511 | EXTEND (SP, AvFILLp (av)); |
|
|
2512 | for (i = 0; i < AvFILLp (av); ++i) |
|
|
2513 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i]))); |
|
|
2514 | } |
|
|
2515 | |
|
|
2516 | |
|
|
2517 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
|
|
2518 | |
|
|
2519 | BOOT: |
|
|
2520 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
|
|
2521 | |
|
|
2522 | SV * |
|
|
2523 | _schedule (...) |
|
|
2524 | PROTOTYPE: @ |
|
|
2525 | CODE: |
|
|
2526 | { |
|
|
2527 | static int incede; |
|
|
2528 | |
|
|
2529 | api_cede_notself (aTHX); |
|
|
2530 | |
|
|
2531 | ++incede; |
|
|
2532 | while (coro_nready >= incede && api_cede (aTHX)) |
|
|
2533 | ; |
|
|
2534 | |
|
|
2535 | sv_setsv (sv_activity, &PL_sv_undef); |
|
|
2536 | if (coro_nready >= incede) |
|
|
2537 | { |
|
|
2538 | PUSHMARK (SP); |
|
|
2539 | PUTBACK; |
|
|
2540 | call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL); |
|
|
2541 | SPAGAIN; |
|
|
2542 | } |
|
|
2543 | |
|
|
2544 | --incede; |
|
|
2545 | } |
|
|
2546 | |
|
|
2547 | |
|
|
2548 | MODULE = Coro::State PACKAGE = PerlIO::cede |
|
|
2549 | |
|
|
2550 | BOOT: |
|
|
2551 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
|
|
2552 | |