1 | #include "libcoro/coro.c" |
1 | #include "libcoro/coro.c" |
2 | |
2 | |
3 | #define PERL_NO_GET_CONTEXT |
3 | #define PERL_NO_GET_CONTEXT |
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4 | #define PERL_EXT |
4 | |
5 | |
5 | #include "EXTERN.h" |
6 | #include "EXTERN.h" |
6 | #include "perl.h" |
7 | #include "perl.h" |
7 | #include "XSUB.h" |
8 | #include "XSUB.h" |
8 | |
9 | |
9 | #include "patchlevel.h" |
10 | #include "patchlevel.h" |
10 | |
11 | |
11 | #include <stdio.h> |
12 | #include <stdio.h> |
12 | #include <errno.h> |
13 | #include <errno.h> |
13 | #include <assert.h> |
14 | #include <assert.h> |
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15 | |
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16 | #ifdef WIN32 |
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17 | # undef setjmp |
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18 | # undef longjmp |
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19 | # undef _exit |
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20 | # define setjmp _setjmp // deep magic, don't ask |
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21 | #else |
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22 | # include <inttypes.h> /* most portable stdint.h */ |
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23 | #endif |
14 | |
24 | |
15 | #ifdef HAVE_MMAP |
25 | #ifdef HAVE_MMAP |
16 | # include <unistd.h> |
26 | # include <unistd.h> |
17 | # include <sys/mman.h> |
27 | # include <sys/mman.h> |
18 | # ifndef MAP_ANONYMOUS |
28 | # ifndef MAP_ANONYMOUS |
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… | |
70 | # ifndef IS_PADCONST |
80 | # ifndef IS_PADCONST |
71 | # define IS_PADCONST(v) 0 |
81 | # define IS_PADCONST(v) 0 |
72 | # endif |
82 | # endif |
73 | #endif |
83 | #endif |
74 | |
84 | |
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85 | /* 5.8.8 */ |
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86 | #ifndef GV_NOTQUAL |
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87 | # define GV_NOTQUAL 0 |
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88 | #endif |
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89 | #ifndef newSV |
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90 | # define newSV(l) NEWSV(0,l) |
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91 | #endif |
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92 | |
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93 | /* 5.11 */ |
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94 | #ifndef CxHASARGS |
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95 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
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96 | #endif |
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97 | |
75 | /* 5.8.7 */ |
98 | /* 5.8.7 */ |
76 | #ifndef SvRV_set |
99 | #ifndef SvRV_set |
77 | # define SvRV_set(s,v) SvRV(s) = (v) |
100 | # define SvRV_set(s,v) SvRV(s) = (v) |
78 | #endif |
101 | #endif |
79 | |
102 | |
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98 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
121 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
99 | |
122 | |
100 | #if __GNUC__ >= 3 |
123 | #if __GNUC__ >= 3 |
101 | # define attribute(x) __attribute__(x) |
124 | # define attribute(x) __attribute__(x) |
102 | # define BARRIER __asm__ __volatile__ ("" : : : "memory") |
125 | # define BARRIER __asm__ __volatile__ ("" : : : "memory") |
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126 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
103 | #else |
127 | #else |
104 | # define attribute(x) |
128 | # define attribute(x) |
105 | # define BARRIER |
129 | # define BARRIER |
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130 | # define expect(expr,value) (expr) |
106 | #endif |
131 | #endif |
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132 | |
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133 | #define expect_false(expr) expect ((expr) != 0, 0) |
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134 | #define expect_true(expr) expect ((expr) != 0, 1) |
107 | |
135 | |
108 | #define NOINLINE attribute ((noinline)) |
136 | #define NOINLINE attribute ((noinline)) |
109 | |
137 | |
110 | #include "CoroAPI.h" |
138 | #include "CoroAPI.h" |
111 | |
139 | |
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130 | static size_t coro_stacksize = CORO_STACKSIZE; |
158 | static size_t coro_stacksize = CORO_STACKSIZE; |
131 | static struct CoroAPI coroapi; |
159 | static struct CoroAPI coroapi; |
132 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
160 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
133 | static JMPENV *main_top_env; |
161 | static JMPENV *main_top_env; |
134 | static HV *coro_state_stash, *coro_stash; |
162 | static HV *coro_state_stash, *coro_stash; |
135 | static SV *coro_mortal; /* will be freed after next transfer */ |
163 | static volatile SV *coro_mortal; /* will be freed after next transfer */ |
136 | |
164 | |
137 | static GV *irsgv; /* $/ */ |
165 | static GV *irsgv; /* $/ */ |
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166 | static GV *stdoutgv; /* *STDOUT */ |
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167 | static SV *rv_diehook; |
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168 | static SV *rv_warnhook; |
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169 | static HV *hv_sig; /* %SIG */ |
138 | |
170 | |
139 | /* async_pool helper stuff */ |
171 | /* async_pool helper stuff */ |
140 | static SV *sv_pool_rss; |
172 | static SV *sv_pool_rss; |
141 | static SV *sv_pool_size; |
173 | static SV *sv_pool_size; |
142 | static AV *av_async_pool; |
174 | static AV *av_async_pool; |
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175 | |
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176 | /* Coro::AnyEvent */ |
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177 | static SV *sv_activity; |
143 | |
178 | |
144 | static struct coro_cctx *cctx_first; |
179 | static struct coro_cctx *cctx_first; |
145 | static int cctx_count, cctx_idle; |
180 | static int cctx_count, cctx_idle; |
146 | |
181 | |
147 | enum { |
182 | enum { |
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178 | CF_READY = 0x0002, /* coroutine is ready */ |
213 | CF_READY = 0x0002, /* coroutine is ready */ |
179 | CF_NEW = 0x0004, /* has never been switched to */ |
214 | CF_NEW = 0x0004, /* has never been switched to */ |
180 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
215 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
181 | }; |
216 | }; |
182 | |
217 | |
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218 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
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219 | typedef struct { |
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220 | SV *defsv; |
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221 | AV *defav; |
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222 | SV *errsv; |
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223 | SV *irsgv; |
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224 | #define VAR(name,type) type name; |
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225 | # include "state.h" |
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226 | #undef VAR |
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227 | } perl_slots; |
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228 | |
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229 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
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230 | |
183 | /* this is a structure representing a perl-level coroutine */ |
231 | /* this is a structure representing a perl-level coroutine */ |
184 | struct coro { |
232 | struct coro { |
185 | /* the c coroutine allocated to this perl coroutine, if any */ |
233 | /* the c coroutine allocated to this perl coroutine, if any */ |
186 | coro_cctx *cctx; |
234 | coro_cctx *cctx; |
187 | |
235 | |
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236 | /* process data */ |
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237 | AV *mainstack; |
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238 | perl_slots *slot; /* basically the saved sp */ |
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239 | |
188 | /* data associated with this coroutine (initial args) */ |
240 | AV *args; /* data associated with this coroutine (initial args) */ |
189 | AV *args; |
241 | int refcnt; /* coroutines are refcounted, yes */ |
190 | int refcnt; |
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191 | int flags; /* CF_ flags */ |
242 | int flags; /* CF_ flags */ |
192 | |
243 | HV *hv; /* the perl hash associated with this coro, if any */ |
193 | /* optionally saved, might be zero */ |
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194 | AV *defav; /* @_ */ |
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195 | SV *defsv; /* $_ */ |
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196 | SV *errsv; /* $@ */ |
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197 | SV *deffh; /* default filehandle */ |
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198 | SV *irssv; /* $/ */ |
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199 | SV *irssv_sv; /* real $/ cache */ |
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200 | |
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201 | #define VAR(name,type) type name; |
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202 | # include "state.h" |
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203 | #undef VAR |
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204 | |
244 | |
205 | /* statistics */ |
245 | /* statistics */ |
206 | int usecount; /* number of transfers to this coro */ |
246 | int usecount; /* number of transfers to this coro */ |
207 | |
247 | |
208 | /* coro process data */ |
248 | /* coro process data */ |
209 | int prio; |
249 | int prio; |
210 | //SV *throw; |
250 | SV *throw; /* exception to be thrown */ |
211 | |
251 | |
212 | /* async_pool */ |
252 | /* async_pool */ |
213 | SV *saved_deffh; |
253 | SV *saved_deffh; |
214 | |
254 | |
215 | /* linked list */ |
255 | /* linked list */ |
216 | struct coro *next, *prev; |
256 | struct coro *next, *prev; |
217 | HV *hv; /* the perl hash associated with this coro, if any */ |
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218 | }; |
257 | }; |
219 | |
258 | |
220 | typedef struct coro *Coro__State; |
259 | typedef struct coro *Coro__State; |
221 | typedef struct coro *Coro__State_or_hashref; |
260 | typedef struct coro *Coro__State_or_hashref; |
222 | |
261 | |
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229 | #define PRIO_IDLE -3 |
268 | #define PRIO_IDLE -3 |
230 | #define PRIO_MIN -4 |
269 | #define PRIO_MIN -4 |
231 | |
270 | |
232 | /* for Coro.pm */ |
271 | /* for Coro.pm */ |
233 | static SV *coro_current; |
272 | static SV *coro_current; |
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273 | static SV *coro_readyhook; |
234 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
274 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
235 | static int coro_nready; |
275 | static int coro_nready; |
236 | static struct coro *coro_first; |
276 | static struct coro *coro_first; |
237 | |
277 | |
238 | /** lowlevel stuff **********************************************************/ |
278 | /** lowlevel stuff **********************************************************/ |
239 | |
279 | |
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280 | static SV * |
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281 | coro_get_sv (pTHX_ const char *name, int create) |
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282 | { |
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283 | #if PERL_VERSION_ATLEAST (5,10,0) |
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284 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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285 | get_sv (name, create); |
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286 | #endif |
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287 | return get_sv (name, create); |
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288 | } |
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289 | |
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290 | static AV * |
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291 | coro_get_av (pTHX_ const char *name, int create) |
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292 | { |
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293 | #if PERL_VERSION_ATLEAST (5,10,0) |
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294 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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295 | get_av (name, create); |
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296 | #endif |
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297 | return get_av (name, create); |
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298 | } |
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299 | |
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300 | static HV * |
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301 | coro_get_hv (pTHX_ const char *name, int create) |
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302 | { |
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303 | #if PERL_VERSION_ATLEAST (5,10,0) |
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304 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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305 | get_hv (name, create); |
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306 | #endif |
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307 | return get_hv (name, create); |
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308 | } |
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309 | |
240 | static AV * |
310 | static AV * |
241 | coro_clone_padlist (pTHX_ CV *cv) |
311 | coro_clone_padlist (pTHX_ CV *cv) |
242 | { |
312 | { |
243 | AV *padlist = CvPADLIST (cv); |
313 | AV *padlist = CvPADLIST (cv); |
244 | AV *newpadlist, *newpad; |
314 | AV *newpadlist, *newpad; |
245 | |
315 | |
246 | newpadlist = newAV (); |
316 | newpadlist = newAV (); |
247 | AvREAL_off (newpadlist); |
317 | AvREAL_off (newpadlist); |
248 | #if PERL_VERSION_ATLEAST (5,9,0) |
318 | #if PERL_VERSION_ATLEAST (5,10,0) |
249 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
319 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
250 | #else |
320 | #else |
251 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
321 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
252 | #endif |
322 | #endif |
253 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
323 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
… | |
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296 | SvREFCNT_dec (av); |
366 | SvREFCNT_dec (av); |
297 | |
367 | |
298 | return 0; |
368 | return 0; |
299 | } |
369 | } |
300 | |
370 | |
301 | #define PERL_MAGIC_coro PERL_MAGIC_ext |
371 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
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372 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
302 | |
373 | |
303 | static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; |
374 | static MGVTBL coro_cv_vtbl = { |
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375 | 0, 0, 0, 0, |
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376 | coro_cv_free |
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377 | }; |
304 | |
378 | |
305 | #define CORO_MAGIC(cv) \ |
379 | #define CORO_MAGIC(sv,type) \ |
306 | SvMAGIC (cv) \ |
380 | SvMAGIC (sv) \ |
307 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
381 | ? SvMAGIC (sv)->mg_type == type \ |
308 | ? SvMAGIC (cv) \ |
382 | ? SvMAGIC (sv) \ |
309 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
383 | : mg_find (sv, type) \ |
310 | : 0 |
384 | : 0 |
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385 | |
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386 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
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387 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
311 | |
388 | |
312 | static struct coro * |
389 | static struct coro * |
313 | SvSTATE_ (pTHX_ SV *coro) |
390 | SvSTATE_ (pTHX_ SV *coro) |
314 | { |
391 | { |
315 | HV *stash; |
392 | HV *stash; |
316 | MAGIC *mg; |
393 | MAGIC *mg; |
317 | |
394 | |
318 | if (SvROK (coro)) |
395 | if (SvROK (coro)) |
319 | coro = SvRV (coro); |
396 | coro = SvRV (coro); |
320 | |
397 | |
321 | if (SvTYPE (coro) != SVt_PVHV) |
398 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
322 | croak ("Coro::State object required"); |
399 | croak ("Coro::State object required"); |
323 | |
400 | |
324 | stash = SvSTASH (coro); |
401 | stash = SvSTASH (coro); |
325 | if (stash != coro_stash && stash != coro_state_stash) |
402 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
326 | { |
403 | { |
327 | /* very slow, but rare, check */ |
404 | /* very slow, but rare, check */ |
328 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
405 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
329 | croak ("Coro::State object required"); |
406 | croak ("Coro::State object required"); |
330 | } |
407 | } |
331 | |
408 | |
332 | mg = CORO_MAGIC (coro); |
409 | mg = CORO_MAGIC_state (coro); |
333 | return (struct coro *)mg->mg_ptr; |
410 | return (struct coro *)mg->mg_ptr; |
334 | } |
411 | } |
335 | |
412 | |
336 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
413 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
337 | |
414 | |
338 | /* the next two functions merely cache the padlists */ |
415 | /* the next two functions merely cache the padlists */ |
339 | static void |
416 | static void |
340 | get_padlist (pTHX_ CV *cv) |
417 | get_padlist (pTHX_ CV *cv) |
341 | { |
418 | { |
342 | MAGIC *mg = CORO_MAGIC (cv); |
419 | MAGIC *mg = CORO_MAGIC_cv (cv); |
343 | AV *av; |
420 | AV *av; |
344 | |
421 | |
345 | if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) |
422 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
346 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
423 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
347 | else |
424 | else |
348 | { |
425 | { |
349 | #if CORO_PREFER_PERL_FUNCTIONS |
426 | #if CORO_PREFER_PERL_FUNCTIONS |
350 | /* this is probably cleaner, but also slower? */ |
427 | /* this is probably cleaner? but also slower! */ |
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428 | /* in practise, it seems to be less stable */ |
351 | CV *cp = Perl_cv_clone (cv); |
429 | CV *cp = Perl_cv_clone (cv); |
352 | CvPADLIST (cv) = CvPADLIST (cp); |
430 | CvPADLIST (cv) = CvPADLIST (cp); |
353 | CvPADLIST (cp) = 0; |
431 | CvPADLIST (cp) = 0; |
354 | SvREFCNT_dec (cp); |
432 | SvREFCNT_dec (cp); |
355 | #else |
433 | #else |
… | |
… | |
359 | } |
437 | } |
360 | |
438 | |
361 | static void |
439 | static void |
362 | put_padlist (pTHX_ CV *cv) |
440 | put_padlist (pTHX_ CV *cv) |
363 | { |
441 | { |
364 | MAGIC *mg = CORO_MAGIC (cv); |
442 | MAGIC *mg = CORO_MAGIC_cv (cv); |
365 | AV *av; |
443 | AV *av; |
366 | |
444 | |
367 | if (!mg) |
445 | if (expect_false (!mg)) |
368 | { |
446 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
369 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
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370 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
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371 | mg->mg_virtual = &vtbl_coro; |
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372 | mg->mg_obj = (SV *)newAV (); |
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373 | } |
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374 | |
447 | |
375 | av = (AV *)mg->mg_obj; |
448 | av = (AV *)mg->mg_obj; |
376 | |
449 | |
377 | if (AvFILLp (av) >= AvMAX (av)) |
450 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
378 | av_extend (av, AvMAX (av) + 1); |
451 | av_extend (av, AvMAX (av) + 1); |
379 | |
452 | |
380 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
453 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
381 | } |
454 | } |
382 | |
455 | |
383 | /** load & save, init *******************************************************/ |
456 | /** load & save, init *******************************************************/ |
384 | |
457 | |
385 | static void |
458 | static void |
386 | load_perl (pTHX_ Coro__State c) |
459 | load_perl (pTHX_ Coro__State c) |
387 | { |
460 | { |
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461 | perl_slots *slot = c->slot; |
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462 | c->slot = 0; |
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463 | |
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464 | PL_mainstack = c->mainstack; |
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465 | |
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466 | GvSV (PL_defgv) = slot->defsv; |
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467 | GvAV (PL_defgv) = slot->defav; |
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468 | GvSV (PL_errgv) = slot->errsv; |
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469 | GvSV (irsgv) = slot->irsgv; |
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470 | |
388 | #define VAR(name,type) PL_ ## name = c->name; |
471 | #define VAR(name,type) PL_ ## name = slot->name; |
389 | # include "state.h" |
472 | # include "state.h" |
390 | #undef VAR |
473 | #undef VAR |
391 | |
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392 | GvSV (PL_defgv) = c->defsv; |
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393 | GvAV (PL_defgv) = c->defav; |
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394 | GvSV (PL_errgv) = c->errsv; |
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395 | GvSV (irsgv) = c->irssv_sv; |
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396 | |
474 | |
397 | { |
475 | { |
398 | dSP; |
476 | dSP; |
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477 | |
399 | CV *cv; |
478 | CV *cv; |
400 | |
479 | |
401 | /* now do the ugly restore mess */ |
480 | /* now do the ugly restore mess */ |
402 | while ((cv = (CV *)POPs)) |
481 | while (expect_true (cv = (CV *)POPs)) |
403 | { |
482 | { |
404 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
483 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
405 | CvDEPTH (cv) = PTR2IV (POPs); |
484 | CvDEPTH (cv) = PTR2IV (POPs); |
406 | CvPADLIST (cv) = (AV *)POPs; |
485 | CvPADLIST (cv) = (AV *)POPs; |
407 | } |
486 | } |
… | |
… | |
426 | |
505 | |
427 | XPUSHs (Nullsv); |
506 | XPUSHs (Nullsv); |
428 | /* this loop was inspired by pp_caller */ |
507 | /* this loop was inspired by pp_caller */ |
429 | for (;;) |
508 | for (;;) |
430 | { |
509 | { |
431 | while (cxix >= 0) |
510 | while (expect_true (cxix >= 0)) |
432 | { |
511 | { |
433 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
512 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
434 | |
513 | |
435 | if (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT) |
514 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
436 | { |
515 | { |
437 | CV *cv = cx->blk_sub.cv; |
516 | CV *cv = cx->blk_sub.cv; |
438 | |
517 | |
439 | if (CvDEPTH (cv)) |
518 | if (expect_true (CvDEPTH (cv))) |
440 | { |
519 | { |
441 | EXTEND (SP, 3); |
520 | EXTEND (SP, 3); |
442 | PUSHs ((SV *)CvPADLIST (cv)); |
521 | PUSHs ((SV *)CvPADLIST (cv)); |
443 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
522 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
444 | PUSHs ((SV *)cv); |
523 | PUSHs ((SV *)cv); |
445 | |
524 | |
446 | CvDEPTH (cv) = 0; |
525 | CvDEPTH (cv) = 0; |
447 | get_padlist (aTHX_ cv); |
526 | get_padlist (aTHX_ cv); |
448 | } |
527 | } |
449 | } |
528 | } |
450 | } |
529 | } |
451 | |
530 | |
452 | if (top_si->si_type == PERLSI_MAIN) |
531 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
453 | break; |
532 | break; |
454 | |
533 | |
455 | top_si = top_si->si_prev; |
534 | top_si = top_si->si_prev; |
456 | ccstk = top_si->si_cxstack; |
535 | ccstk = top_si->si_cxstack; |
457 | cxix = top_si->si_cxix; |
536 | cxix = top_si->si_cxix; |
458 | } |
537 | } |
459 | |
538 | |
460 | PUTBACK; |
539 | PUTBACK; |
461 | } |
540 | } |
462 | |
541 | |
|
|
542 | /* allocate some space on the context stack for our purposes */ |
|
|
543 | /* we manually unroll here, as usually 2 slots is enough */ |
|
|
544 | if (SLOT_COUNT >= 1) CXINC; |
|
|
545 | if (SLOT_COUNT >= 2) CXINC; |
|
|
546 | if (SLOT_COUNT >= 3) CXINC; |
|
|
547 | { |
|
|
548 | int i; |
|
|
549 | for (i = 3; i < SLOT_COUNT; ++i) |
|
|
550 | CXINC; |
|
|
551 | } |
|
|
552 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
553 | |
|
|
554 | c->mainstack = PL_mainstack; |
|
|
555 | |
|
|
556 | { |
|
|
557 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
|
|
558 | |
463 | c->defav = GvAV (PL_defgv); |
559 | slot->defav = GvAV (PL_defgv); |
464 | c->defsv = DEFSV; |
560 | slot->defsv = DEFSV; |
465 | c->errsv = ERRSV; |
561 | slot->errsv = ERRSV; |
466 | c->irssv_sv = GvSV (irsgv); |
562 | slot->irsgv = GvSV (irsgv); |
467 | |
563 | |
468 | #define VAR(name,type)c->name = PL_ ## name; |
564 | #define VAR(name,type) slot->name = PL_ ## name; |
469 | # include "state.h" |
565 | # include "state.h" |
470 | #undef VAR |
566 | #undef VAR |
|
|
567 | } |
471 | } |
568 | } |
472 | |
569 | |
473 | /* |
570 | /* |
474 | * allocate various perl stacks. This is an exact copy |
571 | * allocate various perl stacks. This is an exact copy |
475 | * of perl.c:init_stacks, except that it uses less memory |
572 | * of perl.c:init_stacks, except that it uses less memory |
… | |
… | |
480 | # define coro_init_stacks init_stacks |
577 | # define coro_init_stacks init_stacks |
481 | #else |
578 | #else |
482 | static void |
579 | static void |
483 | coro_init_stacks (pTHX) |
580 | coro_init_stacks (pTHX) |
484 | { |
581 | { |
485 | PL_curstackinfo = new_stackinfo(64, 6); |
582 | PL_curstackinfo = new_stackinfo(32, 8); |
486 | PL_curstackinfo->si_type = PERLSI_MAIN; |
583 | PL_curstackinfo->si_type = PERLSI_MAIN; |
487 | PL_curstack = PL_curstackinfo->si_stack; |
584 | PL_curstack = PL_curstackinfo->si_stack; |
488 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
585 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
489 | |
586 | |
490 | PL_stack_base = AvARRAY(PL_curstack); |
587 | PL_stack_base = AvARRAY(PL_curstack); |
491 | PL_stack_sp = PL_stack_base; |
588 | PL_stack_sp = PL_stack_base; |
492 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
589 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
493 | |
590 | |
494 | New(50,PL_tmps_stack,64,SV*); |
591 | New(50,PL_tmps_stack,32,SV*); |
495 | PL_tmps_floor = -1; |
592 | PL_tmps_floor = -1; |
496 | PL_tmps_ix = -1; |
593 | PL_tmps_ix = -1; |
497 | PL_tmps_max = 64; |
594 | PL_tmps_max = 32; |
498 | |
595 | |
499 | New(54,PL_markstack,16,I32); |
596 | New(54,PL_markstack,16,I32); |
500 | PL_markstack_ptr = PL_markstack; |
597 | PL_markstack_ptr = PL_markstack; |
501 | PL_markstack_max = PL_markstack + 16; |
598 | PL_markstack_max = PL_markstack + 16; |
502 | |
599 | |
503 | #ifdef SET_MARK_OFFSET |
600 | #ifdef SET_MARK_OFFSET |
504 | SET_MARK_OFFSET; |
601 | SET_MARK_OFFSET; |
505 | #endif |
602 | #endif |
506 | |
603 | |
507 | New(54,PL_scopestack,16,I32); |
604 | New(54,PL_scopestack,8,I32); |
508 | PL_scopestack_ix = 0; |
605 | PL_scopestack_ix = 0; |
509 | PL_scopestack_max = 16; |
606 | PL_scopestack_max = 8; |
510 | |
607 | |
511 | New(54,PL_savestack,64,ANY); |
608 | New(54,PL_savestack,24,ANY); |
512 | PL_savestack_ix = 0; |
609 | PL_savestack_ix = 0; |
513 | PL_savestack_max = 64; |
610 | PL_savestack_max = 24; |
514 | |
611 | |
515 | #if !PERL_VERSION_ATLEAST (5,9,0) |
612 | #if !PERL_VERSION_ATLEAST (5,10,0) |
516 | New(54,PL_retstack,4,OP*); |
613 | New(54,PL_retstack,4,OP*); |
517 | PL_retstack_ix = 0; |
614 | PL_retstack_ix = 0; |
518 | PL_retstack_max = 4; |
615 | PL_retstack_max = 4; |
519 | #endif |
616 | #endif |
520 | } |
617 | } |
… | |
… | |
543 | |
640 | |
544 | Safefree (PL_tmps_stack); |
641 | Safefree (PL_tmps_stack); |
545 | Safefree (PL_markstack); |
642 | Safefree (PL_markstack); |
546 | Safefree (PL_scopestack); |
643 | Safefree (PL_scopestack); |
547 | Safefree (PL_savestack); |
644 | Safefree (PL_savestack); |
548 | #if !PERL_VERSION_ATLEAST (5,9,0) |
645 | #if !PERL_VERSION_ATLEAST (5,10,0) |
549 | Safefree (PL_retstack); |
646 | Safefree (PL_retstack); |
550 | #endif |
647 | #endif |
551 | } |
648 | } |
552 | |
649 | |
553 | static size_t |
650 | static size_t |
… | |
… | |
555 | { |
652 | { |
556 | size_t rss = sizeof (*coro); |
653 | size_t rss = sizeof (*coro); |
557 | |
654 | |
558 | if (coro->mainstack) |
655 | if (coro->mainstack) |
559 | { |
656 | { |
|
|
657 | perl_slots tmp_slot; |
|
|
658 | perl_slots *slot; |
|
|
659 | |
560 | if (coro->flags & CF_RUNNING) |
660 | if (coro->flags & CF_RUNNING) |
561 | { |
661 | { |
|
|
662 | slot = &tmp_slot; |
|
|
663 | |
562 | #define VAR(name,type)coro->name = PL_ ## name; |
664 | #define VAR(name,type) slot->name = PL_ ## name; |
563 | # include "state.h" |
665 | # include "state.h" |
564 | #undef VAR |
666 | #undef VAR |
565 | } |
667 | } |
|
|
668 | else |
|
|
669 | slot = coro->slot; |
566 | |
670 | |
567 | rss += sizeof (coro->curstackinfo); |
671 | rss += sizeof (slot->curstackinfo); |
568 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); |
|
|
569 | rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
672 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
570 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
673 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
571 | rss += coro->tmps_max * sizeof (SV *); |
674 | rss += slot->tmps_max * sizeof (SV *); |
572 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
675 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
573 | rss += coro->scopestack_max * sizeof (I32); |
676 | rss += slot->scopestack_max * sizeof (I32); |
574 | rss += coro->savestack_max * sizeof (ANY); |
677 | rss += slot->savestack_max * sizeof (ANY); |
575 | |
678 | |
576 | #if !PERL_VERSION_ATLEAST (5,9,0) |
679 | #if !PERL_VERSION_ATLEAST (5,10,0) |
577 | rss += coro->retstack_max * sizeof (OP *); |
680 | rss += slot->retstack_max * sizeof (OP *); |
578 | #endif |
681 | #endif |
579 | } |
682 | } |
580 | |
683 | |
581 | return rss; |
684 | return rss; |
582 | } |
685 | } |
583 | |
686 | |
584 | /** coroutine stack handling ************************************************/ |
687 | /** coroutine stack handling ************************************************/ |
|
|
688 | |
|
|
689 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
690 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
691 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
692 | |
|
|
693 | /* apparently < 5.8.8 */ |
|
|
694 | #ifndef MgPV_nolen_const |
|
|
695 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
|
|
696 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
|
|
697 | (const char*)(mg)->mg_ptr) |
|
|
698 | #endif |
|
|
699 | |
|
|
700 | /* |
|
|
701 | * This overrides the default magic get method of %SIG elements. |
|
|
702 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
|
|
703 | * and instead of tryign to save and restore the hash elements, we just provide |
|
|
704 | * readback here. |
|
|
705 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
706 | * not expecting this to actually change the hook. This is a potential problem |
|
|
707 | * when a schedule happens then, but we ignore this. |
|
|
708 | */ |
|
|
709 | static int |
|
|
710 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
|
|
711 | { |
|
|
712 | const char *s = MgPV_nolen_const (mg); |
|
|
713 | |
|
|
714 | if (*s == '_') |
|
|
715 | { |
|
|
716 | SV **svp = 0; |
|
|
717 | |
|
|
718 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
719 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
720 | |
|
|
721 | if (svp) |
|
|
722 | { |
|
|
723 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
|
|
724 | return 0; |
|
|
725 | } |
|
|
726 | } |
|
|
727 | |
|
|
728 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
|
|
729 | } |
|
|
730 | |
|
|
731 | static int |
|
|
732 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
|
|
733 | { |
|
|
734 | const char *s = MgPV_nolen_const (mg); |
|
|
735 | |
|
|
736 | if (*s == '_') |
|
|
737 | { |
|
|
738 | SV **svp = 0; |
|
|
739 | |
|
|
740 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
741 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
742 | |
|
|
743 | if (svp) |
|
|
744 | { |
|
|
745 | SV *old = *svp; |
|
|
746 | *svp = 0; |
|
|
747 | SvREFCNT_dec (old); |
|
|
748 | return 0; |
|
|
749 | } |
|
|
750 | } |
|
|
751 | |
|
|
752 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
753 | } |
|
|
754 | |
|
|
755 | static int |
|
|
756 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
|
|
757 | { |
|
|
758 | const char *s = MgPV_nolen_const (mg); |
|
|
759 | |
|
|
760 | if (*s == '_') |
|
|
761 | { |
|
|
762 | SV **svp = 0; |
|
|
763 | |
|
|
764 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
765 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
766 | |
|
|
767 | if (svp) |
|
|
768 | { |
|
|
769 | SV *old = *svp; |
|
|
770 | *svp = newSVsv (sv); |
|
|
771 | SvREFCNT_dec (old); |
|
|
772 | return 0; |
|
|
773 | } |
|
|
774 | } |
|
|
775 | |
|
|
776 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
777 | } |
585 | |
778 | |
586 | static void |
779 | static void |
587 | coro_setup (pTHX_ struct coro *coro) |
780 | coro_setup (pTHX_ struct coro *coro) |
588 | { |
781 | { |
589 | /* |
782 | /* |
… | |
… | |
594 | PL_runops = RUNOPS_DEFAULT; |
787 | PL_runops = RUNOPS_DEFAULT; |
595 | PL_curcop = &PL_compiling; |
788 | PL_curcop = &PL_compiling; |
596 | PL_in_eval = EVAL_NULL; |
789 | PL_in_eval = EVAL_NULL; |
597 | PL_comppad = 0; |
790 | PL_comppad = 0; |
598 | PL_curpm = 0; |
791 | PL_curpm = 0; |
|
|
792 | PL_curpad = 0; |
599 | PL_localizing = 0; |
793 | PL_localizing = 0; |
600 | PL_dirty = 0; |
794 | PL_dirty = 0; |
601 | PL_restartop = 0; |
795 | PL_restartop = 0; |
|
|
796 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
797 | PL_parser = 0; |
|
|
798 | #endif |
|
|
799 | |
|
|
800 | /* recreate the die/warn hooks */ |
|
|
801 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
|
|
802 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
602 | |
803 | |
603 | GvSV (PL_defgv) = NEWSV (0, 0); |
804 | GvSV (PL_defgv) = newSV (0); |
604 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
805 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
605 | GvSV (PL_errgv) = NEWSV (0, 0); |
806 | GvSV (PL_errgv) = newSV (0); |
606 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
807 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
607 | PL_rs = newSVsv (GvSV (irsgv)); |
808 | PL_rs = newSVsv (GvSV (irsgv)); |
608 | |
809 | PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv); |
609 | SvREFCNT_inc (PL_defoutgv); |
|
|
610 | |
810 | |
611 | { |
811 | { |
612 | dSP; |
812 | dSP; |
613 | LOGOP myop; |
813 | LOGOP myop; |
614 | |
814 | |
615 | Zero (&myop, 1, LOGOP); |
815 | Zero (&myop, 1, LOGOP); |
616 | myop.op_next = Nullop; |
816 | myop.op_next = Nullop; |
617 | myop.op_flags = OPf_WANT_VOID; |
817 | myop.op_flags = OPf_WANT_VOID; |
618 | |
818 | |
619 | PUSHMARK (SP); |
819 | PUSHMARK (SP); |
620 | XPUSHs (av_shift (GvAV (PL_defgv))); |
820 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
621 | PUTBACK; |
821 | PUTBACK; |
622 | PL_op = (OP *)&myop; |
822 | PL_op = (OP *)&myop; |
623 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
823 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
624 | SPAGAIN; |
824 | SPAGAIN; |
625 | } |
825 | } |
626 | |
826 | |
627 | ENTER; /* necessary e.g. for dounwind */ |
827 | /* this newly created coroutine might be run on an existing cctx which most |
|
|
828 | * likely was suspended in set_stacklevel, called from entersub. |
|
|
829 | * set_stacklevl doesn't do anything on return, but entersub does LEAVE, |
|
|
830 | * so we ENTER here for symmetry |
|
|
831 | */ |
|
|
832 | ENTER; |
628 | } |
833 | } |
629 | |
834 | |
630 | static void |
835 | static void |
631 | coro_destroy (pTHX_ struct coro *coro) |
836 | coro_destroy (pTHX_ struct coro *coro) |
632 | { |
837 | { |
… | |
… | |
652 | SvREFCNT_dec (GvSV (PL_errgv)); |
857 | SvREFCNT_dec (GvSV (PL_errgv)); |
653 | SvREFCNT_dec (PL_defoutgv); |
858 | SvREFCNT_dec (PL_defoutgv); |
654 | SvREFCNT_dec (PL_rs); |
859 | SvREFCNT_dec (PL_rs); |
655 | SvREFCNT_dec (GvSV (irsgv)); |
860 | SvREFCNT_dec (GvSV (irsgv)); |
656 | |
861 | |
|
|
862 | SvREFCNT_dec (PL_diehook); |
|
|
863 | SvREFCNT_dec (PL_warnhook); |
|
|
864 | |
657 | SvREFCNT_dec (coro->saved_deffh); |
865 | SvREFCNT_dec (coro->saved_deffh); |
658 | //SvREFCNT_dec (coro->throw); |
866 | SvREFCNT_dec (coro->throw); |
659 | |
867 | |
660 | coro_destroy_stacks (aTHX); |
868 | coro_destroy_stacks (aTHX); |
661 | } |
869 | } |
662 | |
870 | |
663 | static void |
871 | static void |
664 | free_coro_mortal (pTHX) |
872 | free_coro_mortal (pTHX) |
665 | { |
873 | { |
666 | if (coro_mortal) |
874 | if (expect_true (coro_mortal)) |
667 | { |
875 | { |
668 | SvREFCNT_dec (coro_mortal); |
876 | SvREFCNT_dec (coro_mortal); |
669 | coro_mortal = 0; |
877 | coro_mortal = 0; |
670 | } |
878 | } |
671 | } |
879 | } |
… | |
… | |
700 | bot = PL_stack_base + cx->blk_oldsp + 1; |
908 | bot = PL_stack_base + cx->blk_oldsp + 1; |
701 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
909 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
702 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
910 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
703 | : bot; |
911 | : bot; |
704 | |
912 | |
|
|
913 | av_extend (av, top - bot); |
705 | while (bot < top) |
914 | while (bot < top) |
706 | av_push (av, SvREFCNT_inc (*bot++)); |
915 | av_push (av, SvREFCNT_inc (*bot++)); |
707 | |
916 | |
708 | PL_runops = RUNOPS_DEFAULT; |
917 | PL_runops = RUNOPS_DEFAULT; |
709 | ENTER; |
918 | ENTER; |
… | |
… | |
749 | SAVETMPS; |
958 | SAVETMPS; |
750 | EXTEND (SP, 3); |
959 | EXTEND (SP, 3); |
751 | PUSHMARK (SP); |
960 | PUSHMARK (SP); |
752 | PUSHs (&PL_sv_yes); |
961 | PUSHs (&PL_sv_yes); |
753 | PUSHs (fullname); |
962 | PUSHs (fullname); |
754 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
963 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
755 | PUTBACK; |
964 | PUTBACK; |
756 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
965 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
757 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
966 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
758 | SPAGAIN; |
967 | SPAGAIN; |
759 | FREETMPS; |
968 | FREETMPS; |
… | |
… | |
795 | |
1004 | |
796 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
1005 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
797 | /* _cctx_init should be careful, as it could be called at almost any time */ |
1006 | /* _cctx_init should be careful, as it could be called at almost any time */ |
798 | /* during execution of a perl program */ |
1007 | /* during execution of a perl program */ |
799 | static void NOINLINE |
1008 | static void NOINLINE |
800 | prepare_cctx (pTHX_ coro_cctx *cctx) |
1009 | cctx_prepare (pTHX_ coro_cctx *cctx) |
801 | { |
1010 | { |
802 | dSP; |
1011 | dSP; |
803 | LOGOP myop; |
1012 | LOGOP myop; |
804 | |
1013 | |
805 | PL_top_env = &PL_start_env; |
1014 | PL_top_env = &PL_start_env; |
… | |
… | |
823 | |
1032 | |
824 | /* |
1033 | /* |
825 | * this is a _very_ stripped down perl interpreter ;) |
1034 | * this is a _very_ stripped down perl interpreter ;) |
826 | */ |
1035 | */ |
827 | static void |
1036 | static void |
828 | coro_run (void *arg) |
1037 | cctx_run (void *arg) |
829 | { |
1038 | { |
830 | dTHX; |
1039 | dTHX; |
831 | |
1040 | |
832 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
1041 | /* cctx_run is the alternative tail of transfer(), so unlock here. */ |
833 | UNLOCK; |
1042 | UNLOCK; |
834 | |
1043 | |
835 | /* we now skip the entersub that lead to transfer() */ |
1044 | /* we now skip the entersub that lead to transfer() */ |
836 | PL_op = PL_op->op_next; |
1045 | PL_op = PL_op->op_next; |
837 | |
1046 | |
838 | /* inject a fake subroutine call to cctx_init */ |
1047 | /* inject a fake subroutine call to cctx_init */ |
839 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
1048 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
840 | |
1049 | |
841 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1050 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
842 | PL_restartop = PL_op; |
1051 | PL_restartop = PL_op; |
843 | perl_run (PL_curinterp); |
1052 | perl_run (PL_curinterp); |
844 | |
1053 | |
… | |
… | |
863 | ++cctx_count; |
1072 | ++cctx_count; |
864 | |
1073 | |
865 | Newz (0, cctx, 1, coro_cctx); |
1074 | Newz (0, cctx, 1, coro_cctx); |
866 | |
1075 | |
867 | #if HAVE_MMAP |
1076 | #if HAVE_MMAP |
868 | |
|
|
869 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1077 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
870 | /* mmap supposedly does allocate-on-write for us */ |
1078 | /* mmap supposedly does allocate-on-write for us */ |
871 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1079 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
872 | |
1080 | |
873 | if (cctx->sptr != (void *)-1) |
1081 | if (cctx->sptr != (void *)-1) |
… | |
… | |
894 | stack_start = cctx->sptr; |
1102 | stack_start = cctx->sptr; |
895 | stack_size = cctx->ssize; |
1103 | stack_size = cctx->ssize; |
896 | } |
1104 | } |
897 | |
1105 | |
898 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
1106 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
899 | coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size); |
1107 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
900 | |
1108 | |
901 | return cctx; |
1109 | return cctx; |
902 | } |
1110 | } |
903 | |
1111 | |
904 | static void |
1112 | static void |
… | |
… | |
921 | Safefree (cctx->sptr); |
1129 | Safefree (cctx->sptr); |
922 | |
1130 | |
923 | Safefree (cctx); |
1131 | Safefree (cctx); |
924 | } |
1132 | } |
925 | |
1133 | |
|
|
1134 | /* wether this cctx should be destructed */ |
|
|
1135 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
|
|
1136 | |
926 | static coro_cctx * |
1137 | static coro_cctx * |
927 | cctx_get (pTHX) |
1138 | cctx_get (pTHX) |
928 | { |
1139 | { |
929 | while (cctx_first) |
1140 | while (expect_true (cctx_first)) |
930 | { |
1141 | { |
931 | coro_cctx *cctx = cctx_first; |
1142 | coro_cctx *cctx = cctx_first; |
932 | cctx_first = cctx->next; |
1143 | cctx_first = cctx->next; |
933 | --cctx_idle; |
1144 | --cctx_idle; |
934 | |
1145 | |
935 | if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE)) |
1146 | if (expect_true (!CCTX_EXPIRED (cctx))) |
936 | return cctx; |
1147 | return cctx; |
937 | |
1148 | |
938 | cctx_destroy (cctx); |
1149 | cctx_destroy (cctx); |
939 | } |
1150 | } |
940 | |
1151 | |
… | |
… | |
943 | |
1154 | |
944 | static void |
1155 | static void |
945 | cctx_put (coro_cctx *cctx) |
1156 | cctx_put (coro_cctx *cctx) |
946 | { |
1157 | { |
947 | /* free another cctx if overlimit */ |
1158 | /* free another cctx if overlimit */ |
948 | if (cctx_idle >= MAX_IDLE_CCTX) |
1159 | if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) |
949 | { |
1160 | { |
950 | coro_cctx *first = cctx_first; |
1161 | coro_cctx *first = cctx_first; |
951 | cctx_first = first->next; |
1162 | cctx_first = first->next; |
952 | --cctx_idle; |
1163 | --cctx_idle; |
953 | |
1164 | |
… | |
… | |
959 | cctx_first = cctx; |
1170 | cctx_first = cctx; |
960 | } |
1171 | } |
961 | |
1172 | |
962 | /** coroutine switching *****************************************************/ |
1173 | /** coroutine switching *****************************************************/ |
963 | |
1174 | |
964 | static void NOINLINE |
1175 | static void |
965 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1176 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
966 | { |
1177 | { |
967 | if (prev != next) |
1178 | if (expect_true (prev != next)) |
968 | { |
1179 | { |
969 | if (!(prev->flags & (CF_RUNNING | CF_NEW))) |
1180 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
970 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
1181 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
971 | |
1182 | |
972 | if (next->flags & CF_RUNNING) |
1183 | if (expect_false (next->flags & CF_RUNNING)) |
973 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1184 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
974 | |
1185 | |
975 | if (next->flags & CF_DESTROYED) |
1186 | if (expect_false (next->flags & CF_DESTROYED)) |
976 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1187 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
977 | |
1188 | |
|
|
1189 | #if !PERL_VERSION_ATLEAST (5,10,0) |
978 | if (PL_lex_state != LEX_NOTPARSING) |
1190 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
979 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
1191 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version"); |
|
|
1192 | #endif |
980 | } |
1193 | } |
981 | } |
1194 | } |
982 | |
1195 | |
983 | /* always use the TRANSFER macro */ |
1196 | /* always use the TRANSFER macro */ |
984 | static void NOINLINE |
1197 | static void NOINLINE |
985 | transfer (pTHX_ struct coro *prev, struct coro *next) |
1198 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
986 | { |
1199 | { |
987 | dSTACKLEVEL; |
1200 | dSTACKLEVEL; |
|
|
1201 | static volatile int has_throw; |
988 | |
1202 | |
989 | /* sometimes transfer is only called to set idle_sp */ |
1203 | /* sometimes transfer is only called to set idle_sp */ |
990 | if (!next) |
1204 | if (expect_false (!next)) |
991 | { |
1205 | { |
992 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1206 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
993 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1207 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
994 | } |
1208 | } |
995 | else if (prev != next) |
1209 | else if (expect_true (prev != next)) |
996 | { |
1210 | { |
997 | coro_cctx *prev__cctx; |
1211 | coro_cctx *prev__cctx; |
998 | |
1212 | |
999 | if (prev->flags & CF_NEW) |
1213 | if (expect_false (prev->flags & CF_NEW)) |
1000 | { |
1214 | { |
1001 | /* create a new empty context */ |
1215 | /* create a new empty context */ |
1002 | Newz (0, prev->cctx, 1, coro_cctx); |
1216 | Newz (0, prev->cctx, 1, coro_cctx); |
1003 | prev->flags &= ~CF_NEW; |
1217 | prev->flags &= ~CF_NEW; |
1004 | prev->flags |= CF_RUNNING; |
1218 | prev->flags |= CF_RUNNING; |
… | |
… | |
1007 | prev->flags &= ~CF_RUNNING; |
1221 | prev->flags &= ~CF_RUNNING; |
1008 | next->flags |= CF_RUNNING; |
1222 | next->flags |= CF_RUNNING; |
1009 | |
1223 | |
1010 | LOCK; |
1224 | LOCK; |
1011 | |
1225 | |
|
|
1226 | /* first get rid of the old state */ |
|
|
1227 | save_perl (aTHX_ prev); |
|
|
1228 | |
1012 | if (next->flags & CF_NEW) |
1229 | if (expect_false (next->flags & CF_NEW)) |
1013 | { |
1230 | { |
1014 | /* need to start coroutine */ |
1231 | /* need to start coroutine */ |
1015 | next->flags &= ~CF_NEW; |
1232 | next->flags &= ~CF_NEW; |
1016 | /* first get rid of the old state */ |
|
|
1017 | save_perl (aTHX_ prev); |
|
|
1018 | /* setup coroutine call */ |
1233 | /* setup coroutine call */ |
1019 | coro_setup (aTHX_ next); |
1234 | coro_setup (aTHX_ next); |
1020 | } |
1235 | } |
1021 | else |
1236 | else |
1022 | { |
|
|
1023 | /* coroutine already started */ |
|
|
1024 | save_perl (aTHX_ prev); |
|
|
1025 | load_perl (aTHX_ next); |
1237 | load_perl (aTHX_ next); |
1026 | } |
|
|
1027 | |
1238 | |
1028 | prev__cctx = prev->cctx; |
1239 | prev__cctx = prev->cctx; |
1029 | |
1240 | |
1030 | /* possibly "free" the cctx */ |
1241 | /* possibly "free" the cctx */ |
1031 | if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)) |
1242 | if (expect_true ( |
|
|
1243 | prev__cctx->idle_sp == STACKLEVEL |
|
|
1244 | && !(prev__cctx->flags & CC_TRACE) |
|
|
1245 | && !force_cctx |
|
|
1246 | )) |
1032 | { |
1247 | { |
1033 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1248 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1034 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1249 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1035 | |
1250 | |
1036 | prev->cctx = 0; |
1251 | prev->cctx = 0; |
1037 | |
1252 | |
|
|
1253 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
|
|
1254 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
|
|
1255 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
|
|
1256 | if (!next->cctx) |
|
|
1257 | next->cctx = cctx_get (aTHX); |
|
|
1258 | |
1038 | cctx_put (prev__cctx); |
1259 | cctx_put (prev__cctx); |
1039 | } |
1260 | } |
1040 | |
1261 | |
1041 | ++next->usecount; |
1262 | ++next->usecount; |
1042 | |
1263 | |
1043 | if (!next->cctx) |
1264 | if (expect_true (!next->cctx)) |
1044 | next->cctx = cctx_get (aTHX); |
1265 | next->cctx = cctx_get (aTHX); |
1045 | |
1266 | |
|
|
1267 | has_throw = !!next->throw; |
|
|
1268 | |
1046 | if (prev__cctx != next->cctx) |
1269 | if (expect_false (prev__cctx != next->cctx)) |
1047 | { |
1270 | { |
1048 | prev__cctx->top_env = PL_top_env; |
1271 | prev__cctx->top_env = PL_top_env; |
1049 | PL_top_env = next->cctx->top_env; |
1272 | PL_top_env = next->cctx->top_env; |
1050 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1273 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1051 | } |
1274 | } |
1052 | |
1275 | |
1053 | free_coro_mortal (aTHX); |
1276 | free_coro_mortal (aTHX); |
1054 | UNLOCK; |
1277 | UNLOCK; |
|
|
1278 | |
|
|
1279 | if (expect_false (has_throw)) |
|
|
1280 | { |
|
|
1281 | struct coro *coro = SvSTATE (coro_current); |
|
|
1282 | |
|
|
1283 | if (coro->throw) |
|
|
1284 | { |
|
|
1285 | SV *exception = coro->throw; |
|
|
1286 | coro->throw = 0; |
|
|
1287 | sv_setsv (ERRSV, exception); |
|
|
1288 | croak (0); |
|
|
1289 | } |
|
|
1290 | } |
1055 | } |
1291 | } |
1056 | } |
1292 | } |
1057 | |
1293 | |
1058 | struct transfer_args |
1294 | struct transfer_args |
1059 | { |
1295 | { |
1060 | struct coro *prev, *next; |
1296 | struct coro *prev, *next; |
1061 | }; |
1297 | }; |
1062 | |
1298 | |
1063 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
1299 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1064 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1300 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1065 | |
1301 | |
1066 | /** high level stuff ********************************************************/ |
1302 | /** high level stuff ********************************************************/ |
1067 | |
1303 | |
1068 | static int |
1304 | static int |
… | |
… | |
1094 | save_perl (aTHX_ &temp); |
1330 | save_perl (aTHX_ &temp); |
1095 | load_perl (aTHX_ coro); |
1331 | load_perl (aTHX_ coro); |
1096 | |
1332 | |
1097 | coro_destroy (aTHX_ coro); |
1333 | coro_destroy (aTHX_ coro); |
1098 | |
1334 | |
1099 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
1335 | load_perl (aTHX_ &temp); |
1100 | |
1336 | |
1101 | coro->mainstack = 0; |
1337 | coro->slot = 0; |
1102 | } |
1338 | } |
1103 | |
1339 | |
1104 | cctx_destroy (coro->cctx); |
1340 | cctx_destroy (coro->cctx); |
1105 | SvREFCNT_dec (coro->args); |
1341 | SvREFCNT_dec (coro->args); |
1106 | |
1342 | |
… | |
… | |
1162 | { |
1398 | { |
1163 | dTHX; |
1399 | dTHX; |
1164 | struct transfer_args ta; |
1400 | struct transfer_args ta; |
1165 | |
1401 | |
1166 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1402 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1167 | TRANSFER (ta); |
1403 | TRANSFER (ta, 1); |
1168 | } |
1404 | } |
1169 | |
1405 | |
1170 | /** Coro ********************************************************************/ |
1406 | /** Coro ********************************************************************/ |
1171 | |
1407 | |
1172 | static void |
1408 | static void |
… | |
… | |
1174 | { |
1410 | { |
1175 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1411 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1176 | } |
1412 | } |
1177 | |
1413 | |
1178 | static SV * |
1414 | static SV * |
1179 | coro_deq (pTHX_ int min_prio) |
1415 | coro_deq (pTHX) |
1180 | { |
1416 | { |
1181 | int prio = PRIO_MAX - PRIO_MIN; |
1417 | int prio; |
1182 | |
1418 | |
1183 | min_prio -= PRIO_MIN; |
|
|
1184 | if (min_prio < 0) |
|
|
1185 | min_prio = 0; |
|
|
1186 | |
|
|
1187 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) |
1419 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1188 | if (AvFILLp (coro_ready [prio]) >= 0) |
1420 | if (AvFILLp (coro_ready [prio]) >= 0) |
1189 | return av_shift (coro_ready [prio]); |
1421 | return av_shift (coro_ready [prio]); |
1190 | |
1422 | |
1191 | return 0; |
1423 | return 0; |
1192 | } |
1424 | } |
… | |
… | |
1194 | static int |
1426 | static int |
1195 | api_ready (SV *coro_sv) |
1427 | api_ready (SV *coro_sv) |
1196 | { |
1428 | { |
1197 | dTHX; |
1429 | dTHX; |
1198 | struct coro *coro; |
1430 | struct coro *coro; |
|
|
1431 | SV *sv_hook; |
|
|
1432 | void (*xs_hook)(void); |
1199 | |
1433 | |
1200 | if (SvROK (coro_sv)) |
1434 | if (SvROK (coro_sv)) |
1201 | coro_sv = SvRV (coro_sv); |
1435 | coro_sv = SvRV (coro_sv); |
1202 | |
1436 | |
1203 | coro = SvSTATE (coro_sv); |
1437 | coro = SvSTATE (coro_sv); |
… | |
… | |
1206 | return 0; |
1440 | return 0; |
1207 | |
1441 | |
1208 | coro->flags |= CF_READY; |
1442 | coro->flags |= CF_READY; |
1209 | |
1443 | |
1210 | LOCK; |
1444 | LOCK; |
|
|
1445 | |
|
|
1446 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1447 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1448 | |
1211 | coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); |
1449 | coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); |
1212 | ++coro_nready; |
1450 | ++coro_nready; |
|
|
1451 | |
1213 | UNLOCK; |
1452 | UNLOCK; |
|
|
1453 | |
|
|
1454 | if (sv_hook) |
|
|
1455 | { |
|
|
1456 | dSP; |
|
|
1457 | |
|
|
1458 | ENTER; |
|
|
1459 | SAVETMPS; |
|
|
1460 | |
|
|
1461 | PUSHMARK (SP); |
|
|
1462 | PUTBACK; |
|
|
1463 | call_sv (sv_hook, G_DISCARD); |
|
|
1464 | SPAGAIN; |
|
|
1465 | |
|
|
1466 | FREETMPS; |
|
|
1467 | LEAVE; |
|
|
1468 | } |
|
|
1469 | |
|
|
1470 | if (xs_hook) |
|
|
1471 | xs_hook (); |
1214 | |
1472 | |
1215 | return 1; |
1473 | return 1; |
1216 | } |
1474 | } |
1217 | |
1475 | |
1218 | static int |
1476 | static int |
… | |
… | |
1228 | SV *prev_sv, *next_sv; |
1486 | SV *prev_sv, *next_sv; |
1229 | |
1487 | |
1230 | for (;;) |
1488 | for (;;) |
1231 | { |
1489 | { |
1232 | LOCK; |
1490 | LOCK; |
1233 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1491 | next_sv = coro_deq (aTHX); |
1234 | |
1492 | |
1235 | /* nothing to schedule: call the idle handler */ |
1493 | /* nothing to schedule: call the idle handler */ |
1236 | if (!next_sv) |
1494 | if (expect_false (!next_sv)) |
1237 | { |
1495 | { |
1238 | dSP; |
1496 | dSP; |
1239 | UNLOCK; |
1497 | UNLOCK; |
1240 | |
1498 | |
1241 | ENTER; |
1499 | ENTER; |
1242 | SAVETMPS; |
1500 | SAVETMPS; |
1243 | |
1501 | |
1244 | PUSHMARK (SP); |
1502 | PUSHMARK (SP); |
1245 | PUTBACK; |
1503 | PUTBACK; |
1246 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
1504 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
|
|
1505 | SPAGAIN; |
1247 | |
1506 | |
1248 | FREETMPS; |
1507 | FREETMPS; |
1249 | LEAVE; |
1508 | LEAVE; |
1250 | continue; |
1509 | continue; |
1251 | } |
1510 | } |
1252 | |
1511 | |
1253 | ta->next = SvSTATE (next_sv); |
1512 | ta->next = SvSTATE (next_sv); |
1254 | |
1513 | |
1255 | /* cannot transfer to destroyed coros, skip and look for next */ |
1514 | /* cannot transfer to destroyed coros, skip and look for next */ |
1256 | if (ta->next->flags & CF_DESTROYED) |
1515 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1257 | { |
1516 | { |
1258 | UNLOCK; |
1517 | UNLOCK; |
1259 | SvREFCNT_dec (next_sv); |
1518 | SvREFCNT_dec (next_sv); |
1260 | /* coro_nready is already taken care of by destroy */ |
1519 | /* coro_nready is already taken care of by destroy */ |
1261 | continue; |
1520 | continue; |
… | |
… | |
1306 | { |
1565 | { |
1307 | dTHX; |
1566 | dTHX; |
1308 | struct transfer_args ta; |
1567 | struct transfer_args ta; |
1309 | |
1568 | |
1310 | prepare_schedule (aTHX_ &ta); |
1569 | prepare_schedule (aTHX_ &ta); |
1311 | TRANSFER (ta); |
1570 | TRANSFER (ta, 1); |
1312 | } |
1571 | } |
1313 | |
1572 | |
1314 | static int |
1573 | static int |
1315 | api_cede (void) |
1574 | api_cede (void) |
1316 | { |
1575 | { |
1317 | dTHX; |
1576 | dTHX; |
1318 | struct transfer_args ta; |
1577 | struct transfer_args ta; |
1319 | |
1578 | |
1320 | prepare_cede (aTHX_ &ta); |
1579 | prepare_cede (aTHX_ &ta); |
1321 | |
1580 | |
1322 | if (ta.prev != ta.next) |
1581 | if (expect_true (ta.prev != ta.next)) |
1323 | { |
1582 | { |
1324 | TRANSFER (ta); |
1583 | TRANSFER (ta, 1); |
1325 | return 1; |
1584 | return 1; |
1326 | } |
1585 | } |
1327 | else |
1586 | else |
1328 | return 0; |
1587 | return 0; |
1329 | } |
1588 | } |
… | |
… | |
1334 | dTHX; |
1593 | dTHX; |
1335 | struct transfer_args ta; |
1594 | struct transfer_args ta; |
1336 | |
1595 | |
1337 | if (prepare_cede_notself (aTHX_ &ta)) |
1596 | if (prepare_cede_notself (aTHX_ &ta)) |
1338 | { |
1597 | { |
1339 | TRANSFER (ta); |
1598 | TRANSFER (ta, 1); |
1340 | return 1; |
1599 | return 1; |
1341 | } |
1600 | } |
1342 | else |
1601 | else |
1343 | return 0; |
1602 | return 0; |
1344 | } |
1603 | } |
… | |
… | |
1363 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
1622 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
1364 | |
1623 | |
1365 | if (coro->flags & CF_RUNNING) |
1624 | if (coro->flags & CF_RUNNING) |
1366 | PL_runops = RUNOPS_DEFAULT; |
1625 | PL_runops = RUNOPS_DEFAULT; |
1367 | else |
1626 | else |
1368 | coro->runops = RUNOPS_DEFAULT; |
1627 | coro->slot->runops = RUNOPS_DEFAULT; |
1369 | } |
1628 | } |
1370 | } |
1629 | } |
|
|
1630 | |
|
|
1631 | static int |
|
|
1632 | coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
1633 | { |
|
|
1634 | AV *padlist; |
|
|
1635 | AV *av = (AV *)mg->mg_obj; |
|
|
1636 | |
|
|
1637 | abort (); |
|
|
1638 | |
|
|
1639 | return 0; |
|
|
1640 | } |
|
|
1641 | |
|
|
1642 | static MGVTBL coro_gensub_vtbl = { |
|
|
1643 | 0, 0, 0, 0, |
|
|
1644 | coro_gensub_free |
|
|
1645 | }; |
1371 | |
1646 | |
1372 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1647 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1373 | |
1648 | |
1374 | PROTOTYPES: DISABLE |
1649 | PROTOTYPES: DISABLE |
1375 | |
1650 | |
… | |
… | |
1378 | #ifdef USE_ITHREADS |
1653 | #ifdef USE_ITHREADS |
1379 | MUTEX_INIT (&coro_mutex); |
1654 | MUTEX_INIT (&coro_mutex); |
1380 | #endif |
1655 | #endif |
1381 | BOOT_PAGESIZE; |
1656 | BOOT_PAGESIZE; |
1382 | |
1657 | |
1383 | irsgv = gv_fetchpv ("/", 1, SVt_PV); |
1658 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
|
|
1659 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
|
|
1660 | |
|
|
1661 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
|
|
1662 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
|
|
1663 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
|
|
1664 | |
|
|
1665 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
1666 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
|
|
1667 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
1384 | |
1668 | |
1385 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1669 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1386 | |
1670 | |
1387 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1671 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1388 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1672 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
… | |
… | |
1393 | main_top_env = PL_top_env; |
1677 | main_top_env = PL_top_env; |
1394 | |
1678 | |
1395 | while (main_top_env->je_prev) |
1679 | while (main_top_env->je_prev) |
1396 | main_top_env = main_top_env->je_prev; |
1680 | main_top_env = main_top_env->je_prev; |
1397 | |
1681 | |
1398 | coroapi.ver = CORO_API_VERSION; |
1682 | coroapi.ver = CORO_API_VERSION; |
|
|
1683 | coroapi.rev = CORO_API_REVISION; |
1399 | coroapi.transfer = api_transfer; |
1684 | coroapi.transfer = api_transfer; |
1400 | |
1685 | |
1401 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1686 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1402 | } |
1687 | } |
1403 | |
1688 | |
1404 | SV * |
1689 | SV * |
1405 | new (char *klass, ...) |
1690 | new (char *klass, ...) |
1406 | CODE: |
1691 | CODE: |
1407 | { |
1692 | { |
1408 | struct coro *coro; |
1693 | struct coro *coro; |
|
|
1694 | MAGIC *mg; |
1409 | HV *hv; |
1695 | HV *hv; |
1410 | int i; |
1696 | int i; |
1411 | |
1697 | |
1412 | Newz (0, coro, 1, struct coro); |
1698 | Newz (0, coro, 1, struct coro); |
1413 | coro->args = newAV (); |
1699 | coro->args = newAV (); |
… | |
… | |
1416 | if (coro_first) coro_first->prev = coro; |
1702 | if (coro_first) coro_first->prev = coro; |
1417 | coro->next = coro_first; |
1703 | coro->next = coro_first; |
1418 | coro_first = coro; |
1704 | coro_first = coro; |
1419 | |
1705 | |
1420 | coro->hv = hv = newHV (); |
1706 | coro->hv = hv = newHV (); |
1421 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1707 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
1708 | mg->mg_flags |= MGf_DUP; |
1422 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1709 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1423 | |
1710 | |
|
|
1711 | av_extend (coro->args, items - 1); |
1424 | for (i = 1; i < items; i++) |
1712 | for (i = 1; i < items; i++) |
1425 | av_push (coro->args, newSVsv (ST (i))); |
1713 | av_push (coro->args, newSVsv (ST (i))); |
1426 | } |
1714 | } |
1427 | OUTPUT: |
1715 | OUTPUT: |
1428 | RETVAL |
1716 | RETVAL |
… | |
… | |
1439 | Coro::cede_notself = 4 |
1727 | Coro::cede_notself = 4 |
1440 | CODE: |
1728 | CODE: |
1441 | { |
1729 | { |
1442 | struct transfer_args ta; |
1730 | struct transfer_args ta; |
1443 | |
1731 | |
|
|
1732 | PUTBACK; |
1444 | switch (ix) |
1733 | switch (ix) |
1445 | { |
1734 | { |
1446 | case 0: |
1735 | case 0: |
1447 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1736 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1448 | ta.next = 0; |
1737 | ta.next = 0; |
… | |
… | |
1467 | if (!prepare_cede_notself (aTHX_ &ta)) |
1756 | if (!prepare_cede_notself (aTHX_ &ta)) |
1468 | XSRETURN_EMPTY; |
1757 | XSRETURN_EMPTY; |
1469 | |
1758 | |
1470 | break; |
1759 | break; |
1471 | } |
1760 | } |
|
|
1761 | SPAGAIN; |
1472 | |
1762 | |
1473 | BARRIER; |
1763 | BARRIER; |
|
|
1764 | PUTBACK; |
1474 | TRANSFER (ta); |
1765 | TRANSFER (ta, 0); |
1475 | |
1766 | SPAGAIN; /* might be the sp of a different coroutine now */ |
1476 | if (GIMME_V != G_VOID && ta.next != ta.prev) |
1767 | /* be extra careful not to ever do anything after TRANSFER */ |
1477 | XSRETURN_YES; |
|
|
1478 | } |
1768 | } |
1479 | |
1769 | |
1480 | bool |
1770 | bool |
1481 | _destroy (SV *coro_sv) |
1771 | _destroy (SV *coro_sv) |
1482 | CODE: |
1772 | CODE: |
1483 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1773 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1484 | OUTPUT: |
1774 | OUTPUT: |
1485 | RETVAL |
1775 | RETVAL |
1486 | |
1776 | |
1487 | void |
1777 | void |
1488 | _exit (code) |
1778 | _exit (int code) |
1489 | int code |
|
|
1490 | PROTOTYPE: $ |
1779 | PROTOTYPE: $ |
1491 | CODE: |
1780 | CODE: |
1492 | _exit (code); |
1781 | _exit (code); |
1493 | |
1782 | |
1494 | int |
1783 | int |
… | |
… | |
1531 | CODE: |
1820 | CODE: |
1532 | { |
1821 | { |
1533 | if (coro->mainstack) |
1822 | if (coro->mainstack) |
1534 | { |
1823 | { |
1535 | struct coro temp; |
1824 | struct coro temp; |
1536 | Zero (&temp, 1, struct coro); |
|
|
1537 | |
1825 | |
1538 | if (!(coro->flags & CF_RUNNING)) |
1826 | if (!(coro->flags & CF_RUNNING)) |
1539 | { |
1827 | { |
|
|
1828 | PUTBACK; |
1540 | save_perl (aTHX_ &temp); |
1829 | save_perl (aTHX_ &temp); |
1541 | load_perl (aTHX_ coro); |
1830 | load_perl (aTHX_ coro); |
1542 | } |
1831 | } |
1543 | |
1832 | |
1544 | { |
1833 | { |
1545 | dSP; |
1834 | dSP; |
1546 | ENTER; |
1835 | ENTER; |
1547 | SAVETMPS; |
1836 | SAVETMPS; |
|
|
1837 | PUTBACK; |
|
|
1838 | PUSHSTACK; |
1548 | PUSHMARK (SP); |
1839 | PUSHMARK (SP); |
1549 | PUTBACK; |
1840 | |
1550 | if (ix) |
1841 | if (ix) |
1551 | eval_sv (coderef, 0); |
1842 | eval_sv (coderef, 0); |
1552 | else |
1843 | else |
1553 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1844 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
1845 | |
|
|
1846 | POPSTACK; |
1554 | SPAGAIN; |
1847 | SPAGAIN; |
1555 | FREETMPS; |
1848 | FREETMPS; |
1556 | LEAVE; |
1849 | LEAVE; |
1557 | PUTBACK; |
1850 | PUTBACK; |
1558 | } |
1851 | } |
1559 | |
1852 | |
1560 | if (!(coro->flags & CF_RUNNING)) |
1853 | if (!(coro->flags & CF_RUNNING)) |
1561 | { |
1854 | { |
1562 | save_perl (aTHX_ coro); |
1855 | save_perl (aTHX_ coro); |
1563 | load_perl (aTHX_ &temp); |
1856 | load_perl (aTHX_ &temp); |
|
|
1857 | SPAGAIN; |
1564 | } |
1858 | } |
1565 | } |
1859 | } |
1566 | } |
1860 | } |
1567 | |
1861 | |
1568 | SV * |
1862 | SV * |
… | |
… | |
1580 | |
1874 | |
1581 | void |
1875 | void |
1582 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
1876 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
1583 | |
1877 | |
1584 | SV * |
1878 | SV * |
1585 | has_stack (Coro::State coro) |
1879 | has_cctx (Coro::State coro) |
1586 | PROTOTYPE: $ |
1880 | PROTOTYPE: $ |
1587 | CODE: |
1881 | CODE: |
1588 | RETVAL = boolSV (!!coro->cctx); |
1882 | RETVAL = boolSV (!!coro->cctx); |
1589 | OUTPUT: |
1883 | OUTPUT: |
1590 | RETVAL |
1884 | RETVAL |
… | |
… | |
1609 | case 1: RETVAL = coro->usecount; break; |
1903 | case 1: RETVAL = coro->usecount; break; |
1610 | } |
1904 | } |
1611 | OUTPUT: |
1905 | OUTPUT: |
1612 | RETVAL |
1906 | RETVAL |
1613 | |
1907 | |
|
|
1908 | void |
|
|
1909 | force_cctx () |
|
|
1910 | CODE: |
|
|
1911 | struct coro *coro = SvSTATE (coro_current); |
|
|
1912 | coro->cctx->idle_sp = 0; |
|
|
1913 | |
|
|
1914 | void |
|
|
1915 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
1916 | PROTOTYPE: $;$ |
|
|
1917 | CODE: |
|
|
1918 | SvREFCNT_dec (self->throw); |
|
|
1919 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
1920 | |
|
|
1921 | void |
|
|
1922 | swap_defsv (Coro::State self) |
|
|
1923 | PROTOTYPE: $ |
|
|
1924 | ALIAS: |
|
|
1925 | swap_defav = 1 |
|
|
1926 | CODE: |
|
|
1927 | if (!self->slot) |
|
|
1928 | croak ("cannot swap state with coroutine that has no saved state"); |
|
|
1929 | else |
|
|
1930 | { |
|
|
1931 | SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv); |
|
|
1932 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
|
|
1933 | |
|
|
1934 | SV *tmp = *src; *src = *dst; *dst = tmp; |
|
|
1935 | } |
1614 | |
1936 | |
1615 | MODULE = Coro::State PACKAGE = Coro |
1937 | MODULE = Coro::State PACKAGE = Coro |
1616 | |
1938 | |
1617 | BOOT: |
1939 | BOOT: |
1618 | { |
1940 | { |
1619 | int i; |
1941 | int i; |
1620 | |
1942 | |
1621 | sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); |
|
|
1622 | sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); |
|
|
1623 | av_async_pool = get_av ("Coro::async_pool", TRUE); |
1943 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
1944 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
|
|
1945 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
1624 | |
1946 | |
1625 | coro_current = get_sv ("Coro::current", FALSE); |
1947 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
1626 | SvREADONLY_on (coro_current); |
1948 | SvREADONLY_on (coro_current); |
1627 | |
1949 | |
1628 | coro_stash = gv_stashpv ("Coro", TRUE); |
1950 | coro_stash = gv_stashpv ("Coro", TRUE); |
1629 | |
1951 | |
1630 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1952 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1631 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1953 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1632 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1954 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1633 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1955 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
… | |
… | |
1636 | |
1958 | |
1637 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1959 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1638 | coro_ready[i] = newAV (); |
1960 | coro_ready[i] = newAV (); |
1639 | |
1961 | |
1640 | { |
1962 | { |
1641 | SV *sv = perl_get_sv("Coro::API", 1); |
1963 | SV *sv = perl_get_sv ("Coro::API", TRUE); |
|
|
1964 | perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */ |
1642 | |
1965 | |
1643 | coroapi.schedule = api_schedule; |
1966 | coroapi.schedule = api_schedule; |
1644 | coroapi.cede = api_cede; |
1967 | coroapi.cede = api_cede; |
1645 | coroapi.cede_notself = api_cede_notself; |
1968 | coroapi.cede_notself = api_cede_notself; |
1646 | coroapi.ready = api_ready; |
1969 | coroapi.ready = api_ready; |
… | |
… | |
1659 | PROTOTYPE: $ |
1982 | PROTOTYPE: $ |
1660 | CODE: |
1983 | CODE: |
1661 | SvREFCNT_dec (SvRV (coro_current)); |
1984 | SvREFCNT_dec (SvRV (coro_current)); |
1662 | SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); |
1985 | SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); |
1663 | |
1986 | |
|
|
1987 | void |
|
|
1988 | _set_readyhook (SV *hook) |
|
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1989 | PROTOTYPE: $ |
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1990 | CODE: |
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1991 | LOCK; |
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1992 | SvREFCNT_dec (coro_readyhook); |
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1993 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
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1994 | UNLOCK; |
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1995 | |
1664 | int |
1996 | int |
1665 | prio (Coro::State coro, int newprio = 0) |
1997 | prio (Coro::State coro, int newprio = 0) |
1666 | ALIAS: |
1998 | ALIAS: |
1667 | nice = 1 |
1999 | nice = 1 |
1668 | CODE: |
2000 | CODE: |
… | |
… | |
1710 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
2042 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1711 | AV *invoke_av; |
2043 | AV *invoke_av; |
1712 | int i, len; |
2044 | int i, len; |
1713 | |
2045 | |
1714 | if (!invoke) |
2046 | if (!invoke) |
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2047 | { |
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2048 | SV *old = PL_diehook; |
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2049 | PL_diehook = 0; |
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2050 | SvREFCNT_dec (old); |
1715 | croak ("\3terminate\2\n"); |
2051 | croak ("\3async_pool terminate\2\n"); |
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2052 | } |
1716 | |
2053 | |
1717 | SvREFCNT_dec (coro->saved_deffh); |
2054 | SvREFCNT_dec (coro->saved_deffh); |
1718 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
2055 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
1719 | |
2056 | |
1720 | hv_store (hv, "desc", sizeof ("desc") - 1, |
2057 | hv_store (hv, "desc", sizeof ("desc") - 1, |
… | |
… | |
1746 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2083 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1747 | coro->saved_deffh = 0; |
2084 | coro->saved_deffh = 0; |
1748 | |
2085 | |
1749 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
2086 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1750 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2087 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
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2088 | { |
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2089 | SV *old = PL_diehook; |
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2090 | PL_diehook = 0; |
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2091 | SvREFCNT_dec (old); |
1751 | croak ("\3terminate\2\n"); |
2092 | croak ("\3async_pool terminate\2\n"); |
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2093 | } |
1752 | |
2094 | |
1753 | av_clear (GvAV (PL_defgv)); |
2095 | av_clear (GvAV (PL_defgv)); |
1754 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
2096 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1755 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
2097 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1756 | |
2098 | |
… | |
… | |
1759 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2101 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
1760 | api_trace (coro_current, 0); |
2102 | api_trace (coro_current, 0); |
1761 | |
2103 | |
1762 | av_push (av_async_pool, newSVsv (coro_current)); |
2104 | av_push (av_async_pool, newSVsv (coro_current)); |
1763 | } |
2105 | } |
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2106 | |
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2107 | #if 0 |
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2108 | |
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2109 | void |
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2110 | _generator_call (...) |
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2111 | PROTOTYPE: @ |
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2112 | PPCODE: |
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2113 | fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr); |
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2114 | xxxx |
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2115 | abort (); |
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2116 | |
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2117 | SV * |
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2118 | gensub (SV *sub, ...) |
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2119 | PROTOTYPE: &;@ |
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2120 | CODE: |
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2121 | { |
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2122 | struct coro *coro; |
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2123 | MAGIC *mg; |
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2124 | CV *xcv; |
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2125 | CV *ncv = (CV *)newSV_type (SVt_PVCV); |
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2126 | int i; |
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2127 | |
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2128 | CvGV (ncv) = CvGV (cv); |
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2129 | CvFILE (ncv) = CvFILE (cv); |
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2130 | |
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2131 | Newz (0, coro, 1, struct coro); |
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2132 | coro->args = newAV (); |
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2133 | coro->flags = CF_NEW; |
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2134 | |
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2135 | av_extend (coro->args, items - 1); |
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2136 | for (i = 1; i < items; i++) |
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2137 | av_push (coro->args, newSVsv (ST (i))); |
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2138 | |
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2139 | CvISXSUB_on (ncv); |
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2140 | CvXSUBANY (ncv).any_ptr = (void *)coro; |
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2141 | |
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2142 | xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV)); |
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2143 | |
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2144 | CvXSUB (ncv) = CvXSUB (xcv); |
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2145 | CvANON_on (ncv); |
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2146 | |
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2147 | mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0); |
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2148 | RETVAL = newRV_noinc ((SV *)ncv); |
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2149 | } |
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2150 | OUTPUT: |
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2151 | RETVAL |
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2152 | |
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2153 | #endif |
1764 | |
2154 | |
1765 | |
2155 | |
1766 | MODULE = Coro::State PACKAGE = Coro::AIO |
2156 | MODULE = Coro::State PACKAGE = Coro::AIO |
1767 | |
2157 | |
1768 | SV * |
2158 | SV * |
… | |
… | |
1795 | PL_laststype = data->laststype; |
2185 | PL_laststype = data->laststype; |
1796 | PL_laststatval = data->laststatval; |
2186 | PL_laststatval = data->laststatval; |
1797 | PL_statcache = data->statcache; |
2187 | PL_statcache = data->statcache; |
1798 | } |
2188 | } |
1799 | |
2189 | |
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2190 | |
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2191 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
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2192 | |
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2193 | BOOT: |
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2194 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
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2195 | |
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2196 | SV * |
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2197 | _schedule (...) |
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2198 | PROTOTYPE: @ |
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2199 | CODE: |
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2200 | { |
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2201 | static int incede; |
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2202 | |
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2203 | api_cede_notself (); |
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2204 | |
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2205 | ++incede; |
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2206 | while (coro_nready >= incede && api_cede ()) |
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2207 | ; |
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2208 | |
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2209 | sv_setsv (sv_activity, &PL_sv_undef); |
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2210 | if (coro_nready >= incede) |
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2211 | { |
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2212 | PUSHMARK (SP); |
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2213 | PUTBACK; |
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2214 | call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL); |
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2215 | SPAGAIN; |
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2216 | } |
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2217 | |
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2218 | --incede; |
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2219 | } |
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2220 | |