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 |
… | |
… | |
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 */ |
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164 | |
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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 */ |
136 | |
170 | |
137 | /* async_pool helper stuff */ |
171 | /* async_pool helper stuff */ |
138 | static SV *sv_pool_rss; |
172 | static SV *sv_pool_rss; |
139 | static SV *sv_pool_size; |
173 | static SV *sv_pool_size; |
140 | static AV *av_async_pool; |
174 | static AV *av_async_pool; |
… | |
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176 | CF_READY = 0x0002, /* coroutine is ready */ |
210 | CF_READY = 0x0002, /* coroutine is ready */ |
177 | CF_NEW = 0x0004, /* has never been switched to */ |
211 | CF_NEW = 0x0004, /* has never been switched to */ |
178 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
212 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
179 | }; |
213 | }; |
180 | |
214 | |
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215 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
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216 | typedef struct { |
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217 | SV *defsv; |
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218 | AV *defav; |
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219 | SV *errsv; |
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220 | SV *irsgv; |
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221 | #define VAR(name,type) type name; |
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222 | # include "state.h" |
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223 | #undef VAR |
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224 | } perl_slots; |
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225 | |
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226 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
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227 | |
181 | /* this is a structure representing a perl-level coroutine */ |
228 | /* this is a structure representing a perl-level coroutine */ |
182 | struct coro { |
229 | struct coro { |
183 | /* the c coroutine allocated to this perl coroutine, if any */ |
230 | /* the c coroutine allocated to this perl coroutine, if any */ |
184 | coro_cctx *cctx; |
231 | coro_cctx *cctx; |
185 | |
232 | |
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233 | /* process data */ |
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234 | AV *mainstack; |
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235 | perl_slots *slot; /* basically the saved sp */ |
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236 | |
186 | /* data associated with this coroutine (initial args) */ |
237 | AV *args; /* data associated with this coroutine (initial args) */ |
187 | AV *args; |
238 | int refcnt; /* coroutines are refcounted, yes */ |
188 | int refcnt; |
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189 | int save; /* CORO_SAVE flags */ |
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190 | int flags; /* CF_ flags */ |
239 | int flags; /* CF_ flags */ |
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240 | HV *hv; /* the perl hash associated with this coro, if any */ |
191 | |
241 | |
192 | /* optionally saved, might be zero */ |
242 | /* statistics */ |
193 | AV *defav; /* @_ */ |
243 | int usecount; /* number of transfers to this coro */ |
194 | SV *defsv; /* $_ */ |
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195 | SV *errsv; /* $@ */ |
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196 | GV *deffh; /* default filehandle */ |
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197 | SV *irssv; /* $/ */ |
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198 | SV *irssv_sv; /* real $/ cache */ |
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199 | |
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200 | #define VAR(name,type) type name; |
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201 | # include "state.h" |
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202 | #undef VAR |
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203 | |
244 | |
204 | /* coro process data */ |
245 | /* coro process data */ |
205 | int prio; |
246 | int prio; |
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247 | SV *throw; /* exception to be thrown */ |
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248 | |
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249 | /* async_pool */ |
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250 | SV *saved_deffh; |
206 | |
251 | |
207 | /* linked list */ |
252 | /* linked list */ |
208 | struct coro *next, *prev; |
253 | struct coro *next, *prev; |
209 | HV *hv; /* the perl hash associated with this coro, if any */ |
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210 | }; |
254 | }; |
211 | |
255 | |
212 | typedef struct coro *Coro__State; |
256 | typedef struct coro *Coro__State; |
213 | typedef struct coro *Coro__State_or_hashref; |
257 | typedef struct coro *Coro__State_or_hashref; |
214 | |
258 | |
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227 | static int coro_nready; |
271 | static int coro_nready; |
228 | static struct coro *coro_first; |
272 | static struct coro *coro_first; |
229 | |
273 | |
230 | /** lowlevel stuff **********************************************************/ |
274 | /** lowlevel stuff **********************************************************/ |
231 | |
275 | |
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276 | static SV * |
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277 | coro_get_sv (pTHX_ const char *name, int create) |
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278 | { |
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279 | #if PERL_VERSION_ATLEAST (5,10,0) |
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280 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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281 | get_sv (name, create); |
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282 | #endif |
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283 | return get_sv (name, create); |
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284 | } |
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285 | |
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286 | static AV * |
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287 | coro_get_av (pTHX_ const char *name, int create) |
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288 | { |
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289 | #if PERL_VERSION_ATLEAST (5,10,0) |
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290 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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291 | get_av (name, create); |
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292 | #endif |
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293 | return get_av (name, create); |
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294 | } |
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295 | |
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296 | static HV * |
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297 | coro_get_hv (pTHX_ const char *name, int create) |
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298 | { |
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299 | #if PERL_VERSION_ATLEAST (5,10,0) |
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300 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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301 | get_hv (name, create); |
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302 | #endif |
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303 | return get_hv (name, create); |
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304 | } |
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305 | |
232 | static AV * |
306 | static AV * |
233 | coro_clone_padlist (pTHX_ CV *cv) |
307 | coro_clone_padlist (pTHX_ CV *cv) |
234 | { |
308 | { |
235 | AV *padlist = CvPADLIST (cv); |
309 | AV *padlist = CvPADLIST (cv); |
236 | AV *newpadlist, *newpad; |
310 | AV *newpadlist, *newpad; |
237 | |
311 | |
238 | newpadlist = newAV (); |
312 | newpadlist = newAV (); |
239 | AvREAL_off (newpadlist); |
313 | AvREAL_off (newpadlist); |
240 | #if PERL_VERSION_ATLEAST (5,9,0) |
314 | #if PERL_VERSION_ATLEAST (5,10,0) |
241 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
315 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
242 | #else |
316 | #else |
243 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
317 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
244 | #endif |
318 | #endif |
245 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
319 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
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283 | |
357 | |
284 | /* casting is fun. */ |
358 | /* casting is fun. */ |
285 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
359 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
286 | free_padlist (aTHX_ padlist); |
360 | free_padlist (aTHX_ padlist); |
287 | |
361 | |
288 | SvREFCNT_dec (av); |
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289 | |
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290 | return 0; |
362 | return 0; |
291 | } |
363 | } |
292 | |
364 | |
293 | #define PERL_MAGIC_coro PERL_MAGIC_ext |
365 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
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366 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
294 | |
367 | |
295 | static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; |
368 | static MGVTBL coro_cv_vtbl = { |
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369 | 0, 0, 0, 0, |
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370 | coro_cv_free |
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371 | }; |
296 | |
372 | |
297 | #define CORO_MAGIC(cv) \ |
373 | #define CORO_MAGIC(sv,type) \ |
298 | SvMAGIC (cv) \ |
374 | SvMAGIC (sv) \ |
299 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
375 | ? SvMAGIC (sv)->mg_type == type \ |
300 | ? SvMAGIC (cv) \ |
376 | ? SvMAGIC (sv) \ |
301 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
377 | : mg_find (sv, type) \ |
302 | : 0 |
378 | : 0 |
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379 | |
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380 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
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381 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
303 | |
382 | |
304 | static struct coro * |
383 | static struct coro * |
305 | SvSTATE_ (pTHX_ SV *coro) |
384 | SvSTATE_ (pTHX_ SV *coro) |
306 | { |
385 | { |
307 | HV *stash; |
386 | HV *stash; |
308 | MAGIC *mg; |
387 | MAGIC *mg; |
309 | |
388 | |
310 | if (SvROK (coro)) |
389 | if (SvROK (coro)) |
311 | coro = SvRV (coro); |
390 | coro = SvRV (coro); |
312 | |
391 | |
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392 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
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393 | croak ("Coro::State object required"); |
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394 | |
313 | stash = SvSTASH (coro); |
395 | stash = SvSTASH (coro); |
314 | if (stash != coro_stash && stash != coro_state_stash) |
396 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
315 | { |
397 | { |
316 | /* very slow, but rare, check */ |
398 | /* very slow, but rare, check */ |
317 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
399 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
318 | croak ("Coro::State object required"); |
400 | croak ("Coro::State object required"); |
319 | } |
401 | } |
320 | |
402 | |
321 | mg = CORO_MAGIC (coro); |
403 | mg = CORO_MAGIC_state (coro); |
322 | return (struct coro *)mg->mg_ptr; |
404 | return (struct coro *)mg->mg_ptr; |
323 | } |
405 | } |
324 | |
406 | |
325 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
407 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
326 | |
408 | |
327 | /* the next two functions merely cache the padlists */ |
409 | /* the next two functions merely cache the padlists */ |
328 | static void |
410 | static void |
329 | get_padlist (pTHX_ CV *cv) |
411 | get_padlist (pTHX_ CV *cv) |
330 | { |
412 | { |
331 | MAGIC *mg = CORO_MAGIC (cv); |
413 | MAGIC *mg = CORO_MAGIC_cv (cv); |
332 | AV *av; |
414 | AV *av; |
333 | |
415 | |
334 | if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) |
416 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
335 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
417 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
336 | else |
418 | else |
337 | { |
419 | { |
338 | #if CORO_PREFER_PERL_FUNCTIONS |
420 | #if CORO_PREFER_PERL_FUNCTIONS |
339 | /* this is probably cleaner, but also slower? */ |
421 | /* this is probably cleaner, but also slower? */ |
… | |
… | |
348 | } |
430 | } |
349 | |
431 | |
350 | static void |
432 | static void |
351 | put_padlist (pTHX_ CV *cv) |
433 | put_padlist (pTHX_ CV *cv) |
352 | { |
434 | { |
353 | MAGIC *mg = CORO_MAGIC (cv); |
435 | MAGIC *mg = CORO_MAGIC_cv (cv); |
354 | AV *av; |
436 | AV *av; |
355 | |
437 | |
356 | if (!mg) |
438 | if (expect_false (!mg)) |
357 | { |
439 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
358 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
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359 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
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360 | mg->mg_virtual = &vtbl_coro; |
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361 | mg->mg_obj = (SV *)newAV (); |
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362 | } |
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363 | |
440 | |
364 | av = (AV *)mg->mg_obj; |
441 | av = (AV *)mg->mg_obj; |
365 | |
442 | |
366 | if (AvFILLp (av) >= AvMAX (av)) |
443 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
367 | av_extend (av, AvMAX (av) + 1); |
444 | av_extend (av, AvMAX (av) + 1); |
368 | |
445 | |
369 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
446 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
370 | } |
447 | } |
371 | |
448 | |
372 | /** load & save, init *******************************************************/ |
449 | /** load & save, init *******************************************************/ |
373 | |
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374 | #define SB do { |
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375 | #define SE } while (0) |
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376 | |
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377 | #define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE |
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378 | |
450 | |
379 | static void |
451 | static void |
380 | load_perl (pTHX_ Coro__State c) |
452 | load_perl (pTHX_ Coro__State c) |
381 | { |
453 | { |
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454 | perl_slots *slot = c->slot; |
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455 | c->slot = 0; |
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456 | |
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457 | PL_mainstack = c->mainstack; |
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458 | |
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459 | GvSV (PL_defgv) = slot->defsv; |
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460 | GvAV (PL_defgv) = slot->defav; |
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461 | GvSV (PL_errgv) = slot->errsv; |
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462 | GvSV (irsgv) = slot->irsgv; |
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463 | |
382 | #define VAR(name,type) PL_ ## name = c->name; |
464 | #define VAR(name,type) PL_ ## name = slot->name; |
383 | # include "state.h" |
465 | # include "state.h" |
384 | #undef VAR |
466 | #undef VAR |
385 | |
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386 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
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387 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
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388 | if (c->errsv) REPLACE_SV (ERRSV , c->errsv); |
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389 | if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh); |
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390 | |
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391 | if (c->irssv) |
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392 | { |
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393 | if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv)) |
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394 | { |
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395 | SvREFCNT_dec (c->irssv); |
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396 | c->irssv = 0; |
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397 | } |
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398 | else |
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399 | { |
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400 | REPLACE_SV (PL_rs, c->irssv); |
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401 | if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0); |
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402 | sv_setsv (c->irssv_sv, PL_rs); |
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403 | } |
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404 | } |
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405 | |
467 | |
406 | { |
468 | { |
407 | dSP; |
469 | dSP; |
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470 | |
408 | CV *cv; |
471 | CV *cv; |
409 | |
472 | |
410 | /* now do the ugly restore mess */ |
473 | /* now do the ugly restore mess */ |
411 | while ((cv = (CV *)POPs)) |
474 | while (expect_true (cv = (CV *)POPs)) |
412 | { |
475 | { |
413 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
476 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
414 | CvDEPTH (cv) = PTR2IV (POPs); |
477 | CvDEPTH (cv) = PTR2IV (POPs); |
415 | CvPADLIST (cv) = (AV *)POPs; |
478 | CvPADLIST (cv) = (AV *)POPs; |
416 | } |
479 | } |
… | |
… | |
435 | |
498 | |
436 | XPUSHs (Nullsv); |
499 | XPUSHs (Nullsv); |
437 | /* this loop was inspired by pp_caller */ |
500 | /* this loop was inspired by pp_caller */ |
438 | for (;;) |
501 | for (;;) |
439 | { |
502 | { |
440 | while (cxix >= 0) |
503 | while (expect_true (cxix >= 0)) |
441 | { |
504 | { |
442 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
505 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
443 | |
506 | |
444 | if (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT) |
507 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
445 | { |
508 | { |
446 | CV *cv = cx->blk_sub.cv; |
509 | CV *cv = cx->blk_sub.cv; |
447 | |
510 | |
448 | if (CvDEPTH (cv)) |
511 | if (expect_true (CvDEPTH (cv))) |
449 | { |
512 | { |
450 | EXTEND (SP, 3); |
513 | EXTEND (SP, 3); |
451 | PUSHs ((SV *)CvPADLIST (cv)); |
514 | PUSHs ((SV *)CvPADLIST (cv)); |
452 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
515 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
453 | PUSHs ((SV *)cv); |
516 | PUSHs ((SV *)cv); |
… | |
… | |
456 | get_padlist (aTHX_ cv); |
519 | get_padlist (aTHX_ cv); |
457 | } |
520 | } |
458 | } |
521 | } |
459 | } |
522 | } |
460 | |
523 | |
461 | if (top_si->si_type == PERLSI_MAIN) |
524 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
462 | break; |
525 | break; |
463 | |
526 | |
464 | top_si = top_si->si_prev; |
527 | top_si = top_si->si_prev; |
465 | ccstk = top_si->si_cxstack; |
528 | ccstk = top_si->si_cxstack; |
466 | cxix = top_si->si_cxix; |
529 | cxix = top_si->si_cxix; |
467 | } |
530 | } |
468 | |
531 | |
469 | PUTBACK; |
532 | PUTBACK; |
470 | } |
533 | } |
471 | |
534 | |
472 | c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; |
535 | /* allocate some space on the context stack for our purposes */ |
473 | c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; |
536 | /* we manually unroll here, as usually 2 slots is enough */ |
474 | c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; |
537 | if (SLOT_COUNT >= 1) CXINC; |
475 | c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0; |
538 | if (SLOT_COUNT >= 2) CXINC; |
476 | c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; |
539 | if (SLOT_COUNT >= 3) CXINC; |
|
|
540 | { |
|
|
541 | int i; |
|
|
542 | for (i = 3; i < SLOT_COUNT; ++i) |
|
|
543 | CXINC; |
|
|
544 | } |
|
|
545 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
477 | |
546 | |
|
|
547 | c->mainstack = PL_mainstack; |
|
|
548 | |
|
|
549 | { |
|
|
550 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
|
|
551 | |
|
|
552 | slot->defav = GvAV (PL_defgv); |
|
|
553 | slot->defsv = DEFSV; |
|
|
554 | slot->errsv = ERRSV; |
|
|
555 | slot->irsgv = GvSV (irsgv); |
|
|
556 | |
478 | #define VAR(name,type)c->name = PL_ ## name; |
557 | #define VAR(name,type) slot->name = PL_ ## name; |
479 | # include "state.h" |
558 | # include "state.h" |
480 | #undef VAR |
559 | #undef VAR |
|
|
560 | } |
481 | } |
561 | } |
482 | |
562 | |
483 | /* |
563 | /* |
484 | * allocate various perl stacks. This is an exact copy |
564 | * allocate various perl stacks. This is an exact copy |
485 | * of perl.c:init_stacks, except that it uses less memory |
565 | * of perl.c:init_stacks, except that it uses less memory |
… | |
… | |
490 | # define coro_init_stacks init_stacks |
570 | # define coro_init_stacks init_stacks |
491 | #else |
571 | #else |
492 | static void |
572 | static void |
493 | coro_init_stacks (pTHX) |
573 | coro_init_stacks (pTHX) |
494 | { |
574 | { |
495 | PL_curstackinfo = new_stackinfo(64, 6); |
575 | PL_curstackinfo = new_stackinfo(32, 8); |
496 | PL_curstackinfo->si_type = PERLSI_MAIN; |
576 | PL_curstackinfo->si_type = PERLSI_MAIN; |
497 | PL_curstack = PL_curstackinfo->si_stack; |
577 | PL_curstack = PL_curstackinfo->si_stack; |
498 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
578 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
499 | |
579 | |
500 | PL_stack_base = AvARRAY(PL_curstack); |
580 | PL_stack_base = AvARRAY(PL_curstack); |
501 | PL_stack_sp = PL_stack_base; |
581 | PL_stack_sp = PL_stack_base; |
502 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
582 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
503 | |
583 | |
504 | New(50,PL_tmps_stack,64,SV*); |
584 | New(50,PL_tmps_stack,32,SV*); |
505 | PL_tmps_floor = -1; |
585 | PL_tmps_floor = -1; |
506 | PL_tmps_ix = -1; |
586 | PL_tmps_ix = -1; |
507 | PL_tmps_max = 64; |
587 | PL_tmps_max = 32; |
508 | |
588 | |
509 | New(54,PL_markstack,16,I32); |
589 | New(54,PL_markstack,16,I32); |
510 | PL_markstack_ptr = PL_markstack; |
590 | PL_markstack_ptr = PL_markstack; |
511 | PL_markstack_max = PL_markstack + 16; |
591 | PL_markstack_max = PL_markstack + 16; |
512 | |
592 | |
513 | #ifdef SET_MARK_OFFSET |
593 | #ifdef SET_MARK_OFFSET |
514 | SET_MARK_OFFSET; |
594 | SET_MARK_OFFSET; |
515 | #endif |
595 | #endif |
516 | |
596 | |
517 | New(54,PL_scopestack,16,I32); |
597 | New(54,PL_scopestack,8,I32); |
518 | PL_scopestack_ix = 0; |
598 | PL_scopestack_ix = 0; |
519 | PL_scopestack_max = 16; |
599 | PL_scopestack_max = 8; |
520 | |
600 | |
521 | New(54,PL_savestack,64,ANY); |
601 | New(54,PL_savestack,24,ANY); |
522 | PL_savestack_ix = 0; |
602 | PL_savestack_ix = 0; |
523 | PL_savestack_max = 64; |
603 | PL_savestack_max = 24; |
524 | |
604 | |
525 | #if !PERL_VERSION_ATLEAST (5,9,0) |
605 | #if !PERL_VERSION_ATLEAST (5,10,0) |
526 | New(54,PL_retstack,4,OP*); |
606 | New(54,PL_retstack,4,OP*); |
527 | PL_retstack_ix = 0; |
607 | PL_retstack_ix = 0; |
528 | PL_retstack_max = 4; |
608 | PL_retstack_max = 4; |
529 | #endif |
609 | #endif |
530 | } |
610 | } |
… | |
… | |
534 | * destroy the stacks, the callchain etc... |
614 | * destroy the stacks, the callchain etc... |
535 | */ |
615 | */ |
536 | static void |
616 | static void |
537 | coro_destroy_stacks (pTHX) |
617 | coro_destroy_stacks (pTHX) |
538 | { |
618 | { |
539 | if (!IN_DESTRUCT) |
|
|
540 | { |
|
|
541 | /* restore all saved variables and stuff */ |
|
|
542 | LEAVE_SCOPE (0); |
|
|
543 | assert (PL_tmps_floor == -1); |
|
|
544 | |
|
|
545 | /* free all temporaries */ |
|
|
546 | FREETMPS; |
|
|
547 | assert (PL_tmps_ix == -1); |
|
|
548 | |
|
|
549 | /* unwind all extra stacks */ |
|
|
550 | POPSTACK_TO (PL_mainstack); |
|
|
551 | |
|
|
552 | /* unwind main stack */ |
|
|
553 | dounwind (-1); |
|
|
554 | } |
|
|
555 | |
|
|
556 | while (PL_curstackinfo->si_next) |
619 | while (PL_curstackinfo->si_next) |
557 | PL_curstackinfo = PL_curstackinfo->si_next; |
620 | PL_curstackinfo = PL_curstackinfo->si_next; |
558 | |
621 | |
559 | while (PL_curstackinfo) |
622 | while (PL_curstackinfo) |
560 | { |
623 | { |
… | |
… | |
570 | |
633 | |
571 | Safefree (PL_tmps_stack); |
634 | Safefree (PL_tmps_stack); |
572 | Safefree (PL_markstack); |
635 | Safefree (PL_markstack); |
573 | Safefree (PL_scopestack); |
636 | Safefree (PL_scopestack); |
574 | Safefree (PL_savestack); |
637 | Safefree (PL_savestack); |
575 | #if !PERL_VERSION_ATLEAST (5,9,0) |
638 | #if !PERL_VERSION_ATLEAST (5,10,0) |
576 | Safefree (PL_retstack); |
639 | Safefree (PL_retstack); |
577 | #endif |
640 | #endif |
578 | } |
641 | } |
579 | |
642 | |
580 | static size_t |
643 | static size_t |
581 | coro_rss (struct coro *coro) |
644 | coro_rss (pTHX_ struct coro *coro) |
582 | { |
645 | { |
583 | size_t rss = sizeof (coro); |
646 | size_t rss = sizeof (*coro); |
584 | |
647 | |
585 | if (coro->mainstack) |
648 | if (coro->mainstack) |
586 | { |
649 | { |
|
|
650 | perl_slots tmp_slot; |
|
|
651 | perl_slots *slot; |
|
|
652 | |
587 | if (coro->flags & CF_RUNNING) |
653 | if (coro->flags & CF_RUNNING) |
588 | { |
654 | { |
|
|
655 | slot = &tmp_slot; |
|
|
656 | |
589 | #define VAR(name,type)coro->name = PL_ ## name; |
657 | #define VAR(name,type) slot->name = PL_ ## name; |
590 | # include "state.h" |
658 | # include "state.h" |
591 | #undef VAR |
659 | #undef VAR |
592 | } |
660 | } |
|
|
661 | else |
|
|
662 | slot = coro->slot; |
593 | |
663 | |
594 | rss += sizeof (coro->curstackinfo); |
664 | rss += sizeof (slot->curstackinfo); |
595 | rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); |
|
|
596 | rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
665 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
597 | rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
666 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
598 | rss += coro->tmps_max * sizeof (SV *); |
667 | rss += slot->tmps_max * sizeof (SV *); |
599 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
668 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
600 | rss += coro->scopestack_max * sizeof (I32); |
669 | rss += slot->scopestack_max * sizeof (I32); |
601 | rss += coro->savestack_max * sizeof (ANY); |
670 | rss += slot->savestack_max * sizeof (ANY); |
602 | |
671 | |
603 | #if !PERL_VERSION_ATLEAST (5,9,0) |
672 | #if !PERL_VERSION_ATLEAST (5,10,0) |
604 | rss += coro->retstack_max * sizeof (OP *); |
673 | rss += slot->retstack_max * sizeof (OP *); |
605 | #endif |
674 | #endif |
606 | } |
675 | } |
607 | |
676 | |
608 | return rss; |
677 | return rss; |
609 | } |
678 | } |
610 | |
679 | |
611 | /** coroutine stack handling ************************************************/ |
680 | /** coroutine stack handling ************************************************/ |
612 | |
681 | |
|
|
682 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
683 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
684 | |
|
|
685 | /* |
|
|
686 | * This overrides the default magic get method of %SIG elements. |
|
|
687 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
|
|
688 | * and instead of tryign to save and restore the hash elements, we just provide |
|
|
689 | * readback here. |
|
|
690 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
691 | * not expecting this to actually change the hook. This is a potential problem |
|
|
692 | * when a schedule happens then, but we ignore this. |
|
|
693 | */ |
|
|
694 | static int |
|
|
695 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
|
|
696 | { |
|
|
697 | const char *s = MgPV_nolen_const (mg); |
|
|
698 | |
|
|
699 | if (*s == '_') |
|
|
700 | { |
|
|
701 | if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0; |
|
|
702 | if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0; |
|
|
703 | } |
|
|
704 | |
|
|
705 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
|
|
706 | } |
|
|
707 | |
|
|
708 | static int |
|
|
709 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
|
|
710 | { |
|
|
711 | const char *s = MgPV_nolen_const (mg); |
|
|
712 | |
|
|
713 | if (*s == '_') |
|
|
714 | { |
|
|
715 | SV **svp = 0; |
|
|
716 | |
|
|
717 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
718 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
719 | |
|
|
720 | if (svp) |
|
|
721 | { |
|
|
722 | SV *old = *svp; |
|
|
723 | *svp = newSVsv (sv); |
|
|
724 | SvREFCNT_dec (old); |
|
|
725 | return 0; |
|
|
726 | } |
|
|
727 | } |
|
|
728 | |
|
|
729 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
730 | } |
|
|
731 | |
613 | static void |
732 | static void |
614 | setup_coro (pTHX_ struct coro *coro) |
733 | coro_setup (pTHX_ struct coro *coro) |
615 | { |
734 | { |
616 | /* |
735 | /* |
617 | * emulate part of the perl startup here. |
736 | * emulate part of the perl startup here. |
618 | */ |
737 | */ |
619 | coro_init_stacks (aTHX); |
738 | coro_init_stacks (aTHX); |
… | |
… | |
621 | PL_runops = RUNOPS_DEFAULT; |
740 | PL_runops = RUNOPS_DEFAULT; |
622 | PL_curcop = &PL_compiling; |
741 | PL_curcop = &PL_compiling; |
623 | PL_in_eval = EVAL_NULL; |
742 | PL_in_eval = EVAL_NULL; |
624 | PL_comppad = 0; |
743 | PL_comppad = 0; |
625 | PL_curpm = 0; |
744 | PL_curpm = 0; |
|
|
745 | PL_curpad = 0; |
626 | PL_localizing = 0; |
746 | PL_localizing = 0; |
627 | PL_dirty = 0; |
747 | PL_dirty = 0; |
628 | PL_restartop = 0; |
748 | PL_restartop = 0; |
|
|
749 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
750 | PL_parser = 0; |
|
|
751 | #endif |
|
|
752 | |
|
|
753 | /* recreate the die/warn hooks */ |
|
|
754 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
|
|
755 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
|
|
756 | |
|
|
757 | GvSV (PL_defgv) = newSV (0); |
|
|
758 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
759 | GvSV (PL_errgv) = newSV (0); |
|
|
760 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
761 | PL_rs = newSVsv (GvSV (irsgv)); |
|
|
762 | PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv); |
629 | |
763 | |
630 | { |
764 | { |
631 | dSP; |
765 | dSP; |
632 | LOGOP myop; |
766 | LOGOP myop; |
633 | |
767 | |
634 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
635 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
636 | |
|
|
637 | Zero (&myop, 1, LOGOP); |
768 | Zero (&myop, 1, LOGOP); |
638 | myop.op_next = Nullop; |
769 | myop.op_next = Nullop; |
639 | myop.op_flags = OPf_WANT_VOID; |
770 | myop.op_flags = OPf_WANT_VOID; |
640 | |
771 | |
641 | PUSHMARK (SP); |
772 | PUSHMARK (SP); |
642 | XPUSHs (av_shift (GvAV (PL_defgv))); |
773 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
643 | PUTBACK; |
774 | PUTBACK; |
644 | PL_op = (OP *)&myop; |
775 | PL_op = (OP *)&myop; |
645 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
776 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
646 | SPAGAIN; |
777 | SPAGAIN; |
647 | } |
778 | } |
648 | |
779 | |
649 | ENTER; /* necessary e.g. for dounwind */ |
780 | /* this newly created coroutine might be run on an existing cctx which most |
|
|
781 | * likely was suspended in set_stacklevel, called from entersub. |
|
|
782 | * set_stacklevl doesn't do anything on return, but entersub does LEAVE, |
|
|
783 | * so we ENTER here for symmetry |
|
|
784 | */ |
|
|
785 | ENTER; |
|
|
786 | } |
|
|
787 | |
|
|
788 | static void |
|
|
789 | coro_destroy (pTHX_ struct coro *coro) |
|
|
790 | { |
|
|
791 | if (!IN_DESTRUCT) |
|
|
792 | { |
|
|
793 | /* restore all saved variables and stuff */ |
|
|
794 | LEAVE_SCOPE (0); |
|
|
795 | assert (PL_tmps_floor == -1); |
|
|
796 | |
|
|
797 | /* free all temporaries */ |
|
|
798 | FREETMPS; |
|
|
799 | assert (PL_tmps_ix == -1); |
|
|
800 | |
|
|
801 | /* unwind all extra stacks */ |
|
|
802 | POPSTACK_TO (PL_mainstack); |
|
|
803 | |
|
|
804 | /* unwind main stack */ |
|
|
805 | dounwind (-1); |
|
|
806 | } |
|
|
807 | |
|
|
808 | SvREFCNT_dec (GvSV (PL_defgv)); |
|
|
809 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
810 | SvREFCNT_dec (GvSV (PL_errgv)); |
|
|
811 | SvREFCNT_dec (PL_defoutgv); |
|
|
812 | SvREFCNT_dec (PL_rs); |
|
|
813 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
814 | |
|
|
815 | SvREFCNT_dec (PL_diehook); |
|
|
816 | SvREFCNT_dec (PL_warnhook); |
|
|
817 | |
|
|
818 | SvREFCNT_dec (coro->saved_deffh); |
|
|
819 | SvREFCNT_dec (coro->throw); |
|
|
820 | |
|
|
821 | coro_destroy_stacks (aTHX); |
650 | } |
822 | } |
651 | |
823 | |
652 | static void |
824 | static void |
653 | free_coro_mortal (pTHX) |
825 | free_coro_mortal (pTHX) |
654 | { |
826 | { |
655 | if (coro_mortal) |
827 | if (expect_true (coro_mortal)) |
656 | { |
828 | { |
657 | SvREFCNT_dec (coro_mortal); |
829 | SvREFCNT_dec (coro_mortal); |
658 | coro_mortal = 0; |
830 | coro_mortal = 0; |
659 | } |
831 | } |
660 | } |
832 | } |
… | |
… | |
669 | |
841 | |
670 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
842 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
671 | { |
843 | { |
672 | PERL_ASYNC_CHECK (); |
844 | PERL_ASYNC_CHECK (); |
673 | |
845 | |
674 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
846 | if (cctx->flags & CC_TRACE_ALL) |
675 | { |
847 | { |
676 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
848 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
677 | SV **bot, **top; |
|
|
678 | AV *av = newAV (); /* return values */ |
|
|
679 | SV **cb; |
|
|
680 | runops_proc_t old_runops = PL_runops; |
|
|
681 | dSP; |
|
|
682 | ENTER; |
|
|
683 | SAVETMPS; |
|
|
684 | EXTEND (SP, 3); |
|
|
685 | PL_runops = RUNOPS_DEFAULT; |
|
|
686 | |
|
|
687 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
688 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
689 | if (isGV (gv)) |
|
|
690 | gv_efullname3 (fullname, gv, 0); |
|
|
691 | |
|
|
692 | bot = PL_stack_base + cx->blk_oldsp + 1; |
|
|
693 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
|
|
694 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
|
|
695 | : bot; |
|
|
696 | |
|
|
697 | while (bot < top) |
|
|
698 | av_push (av, SvREFCNT_inc (*bot++)); |
|
|
699 | |
|
|
700 | PUSHMARK (SP); |
|
|
701 | PUSHs (&PL_sv_no); |
|
|
702 | PUSHs (fullname); |
|
|
703 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
704 | PUTBACK; |
|
|
705 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
706 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
707 | SPAGAIN; |
|
|
708 | |
|
|
709 | FREETMPS; |
|
|
710 | LEAVE; |
|
|
711 | PL_runops = old_runops; |
|
|
712 | } |
|
|
713 | |
|
|
714 | if (oldcop != PL_curcop) |
|
|
715 | { |
|
|
716 | oldcop = PL_curcop; |
|
|
717 | |
|
|
718 | if (PL_curcop != &PL_compiling) |
|
|
719 | { |
849 | { |
|
|
850 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
851 | SV **bot, **top; |
|
|
852 | AV *av = newAV (); /* return values */ |
720 | SV **cb; |
853 | SV **cb; |
721 | runops_proc_t old_runops = PL_runops; |
|
|
722 | dSP; |
854 | dSP; |
|
|
855 | |
|
|
856 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
857 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
858 | if (isGV (gv)) |
|
|
859 | gv_efullname3 (fullname, gv, 0); |
|
|
860 | |
|
|
861 | bot = PL_stack_base + cx->blk_oldsp + 1; |
|
|
862 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
|
|
863 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
|
|
864 | : bot; |
|
|
865 | |
|
|
866 | av_extend (av, top - bot); |
|
|
867 | while (bot < top) |
|
|
868 | av_push (av, SvREFCNT_inc (*bot++)); |
|
|
869 | |
|
|
870 | PL_runops = RUNOPS_DEFAULT; |
723 | ENTER; |
871 | ENTER; |
724 | SAVETMPS; |
872 | SAVETMPS; |
725 | EXTEND (SP, 3); |
873 | EXTEND (SP, 3); |
726 | PL_runops = RUNOPS_DEFAULT; |
874 | PUSHMARK (SP); |
|
|
875 | PUSHs (&PL_sv_no); |
|
|
876 | PUSHs (fullname); |
|
|
877 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
878 | PUTBACK; |
|
|
879 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
880 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
881 | SPAGAIN; |
|
|
882 | FREETMPS; |
|
|
883 | LEAVE; |
|
|
884 | PL_runops = runops_trace; |
|
|
885 | } |
727 | |
886 | |
728 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
887 | if (oldcop != PL_curcop) |
|
|
888 | { |
|
|
889 | oldcop = PL_curcop; |
|
|
890 | |
|
|
891 | if (PL_curcop != &PL_compiling) |
729 | { |
892 | { |
730 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
893 | SV **cb; |
731 | |
894 | |
732 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
895 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
733 | { |
896 | { |
|
|
897 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
898 | |
|
|
899 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
|
|
900 | { |
|
|
901 | runops_proc_t old_runops = PL_runops; |
|
|
902 | dSP; |
734 | GV *gv = CvGV (cx->blk_sub.cv); |
903 | GV *gv = CvGV (cx->blk_sub.cv); |
735 | SV *fullname = sv_2mortal (newSV (0)); |
904 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
905 | |
736 | if (isGV (gv)) |
906 | if (isGV (gv)) |
737 | gv_efullname3 (fullname, gv, 0); |
907 | gv_efullname3 (fullname, gv, 0); |
738 | |
908 | |
|
|
909 | PL_runops = RUNOPS_DEFAULT; |
|
|
910 | ENTER; |
|
|
911 | SAVETMPS; |
|
|
912 | EXTEND (SP, 3); |
|
|
913 | PUSHMARK (SP); |
|
|
914 | PUSHs (&PL_sv_yes); |
|
|
915 | PUSHs (fullname); |
|
|
916 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
|
|
917 | PUTBACK; |
|
|
918 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
919 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
920 | SPAGAIN; |
|
|
921 | FREETMPS; |
|
|
922 | LEAVE; |
|
|
923 | PL_runops = runops_trace; |
|
|
924 | } |
|
|
925 | |
|
|
926 | oldcxix = cxstack_ix; |
|
|
927 | } |
|
|
928 | |
|
|
929 | if (cctx->flags & CC_TRACE_LINE) |
|
|
930 | { |
|
|
931 | dSP; |
|
|
932 | |
|
|
933 | PL_runops = RUNOPS_DEFAULT; |
|
|
934 | ENTER; |
|
|
935 | SAVETMPS; |
|
|
936 | EXTEND (SP, 3); |
|
|
937 | PL_runops = RUNOPS_DEFAULT; |
739 | PUSHMARK (SP); |
938 | PUSHMARK (SP); |
740 | PUSHs (&PL_sv_yes); |
939 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
741 | PUSHs (fullname); |
940 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
742 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
|
|
743 | PUTBACK; |
941 | PUTBACK; |
744 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
942 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
745 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
943 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
746 | SPAGAIN; |
944 | SPAGAIN; |
|
|
945 | FREETMPS; |
|
|
946 | LEAVE; |
|
|
947 | PL_runops = runops_trace; |
747 | } |
948 | } |
748 | |
|
|
749 | oldcxix = cxstack_ix; |
|
|
750 | } |
949 | } |
751 | |
|
|
752 | if (cctx->flags & CC_TRACE_LINE) |
|
|
753 | { |
|
|
754 | PUSHMARK (SP); |
|
|
755 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
|
|
756 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
|
|
757 | PUTBACK; |
|
|
758 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
|
|
759 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
760 | SPAGAIN; |
|
|
761 | } |
|
|
762 | |
|
|
763 | FREETMPS; |
|
|
764 | LEAVE; |
|
|
765 | PL_runops = old_runops; |
|
|
766 | } |
950 | } |
767 | } |
951 | } |
768 | } |
952 | } |
769 | |
953 | |
770 | TAINT_NOT; |
954 | TAINT_NOT; |
… | |
… | |
773 | |
957 | |
774 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
958 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
775 | /* _cctx_init should be careful, as it could be called at almost any time */ |
959 | /* _cctx_init should be careful, as it could be called at almost any time */ |
776 | /* during execution of a perl program */ |
960 | /* during execution of a perl program */ |
777 | static void NOINLINE |
961 | static void NOINLINE |
778 | prepare_cctx (pTHX_ coro_cctx *cctx) |
962 | cctx_prepare (pTHX_ coro_cctx *cctx) |
779 | { |
963 | { |
780 | dSP; |
964 | dSP; |
781 | LOGOP myop; |
965 | LOGOP myop; |
782 | |
966 | |
783 | PL_top_env = &PL_start_env; |
967 | PL_top_env = &PL_start_env; |
… | |
… | |
801 | |
985 | |
802 | /* |
986 | /* |
803 | * this is a _very_ stripped down perl interpreter ;) |
987 | * this is a _very_ stripped down perl interpreter ;) |
804 | */ |
988 | */ |
805 | static void |
989 | static void |
806 | coro_run (void *arg) |
990 | cctx_run (void *arg) |
807 | { |
991 | { |
808 | dTHX; |
992 | dTHX; |
809 | |
993 | |
810 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
994 | /* cctx_run is the alternative tail of transfer(), so unlock here. */ |
811 | UNLOCK; |
995 | UNLOCK; |
812 | |
996 | |
813 | /* we now skip the entersub that lead to transfer() */ |
997 | /* we now skip the entersub that lead to transfer() */ |
814 | PL_op = PL_op->op_next; |
998 | PL_op = PL_op->op_next; |
815 | |
999 | |
816 | /* inject a fake subroutine call to cctx_init */ |
1000 | /* inject a fake subroutine call to cctx_init */ |
817 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
1001 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
818 | |
1002 | |
819 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1003 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
820 | PL_restartop = PL_op; |
1004 | PL_restartop = PL_op; |
821 | perl_run (PL_curinterp); |
1005 | perl_run (PL_curinterp); |
822 | |
1006 | |
… | |
… | |
841 | ++cctx_count; |
1025 | ++cctx_count; |
842 | |
1026 | |
843 | Newz (0, cctx, 1, coro_cctx); |
1027 | Newz (0, cctx, 1, coro_cctx); |
844 | |
1028 | |
845 | #if HAVE_MMAP |
1029 | #if HAVE_MMAP |
846 | |
|
|
847 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1030 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
848 | /* mmap supposedly does allocate-on-write for us */ |
1031 | /* mmap supposedly does allocate-on-write for us */ |
849 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1032 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
850 | |
1033 | |
851 | if (cctx->sptr != (void *)-1) |
1034 | if (cctx->sptr != (void *)-1) |
… | |
… | |
872 | stack_start = cctx->sptr; |
1055 | stack_start = cctx->sptr; |
873 | stack_size = cctx->ssize; |
1056 | stack_size = cctx->ssize; |
874 | } |
1057 | } |
875 | |
1058 | |
876 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
1059 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
877 | coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size); |
1060 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
878 | |
1061 | |
879 | return cctx; |
1062 | return cctx; |
880 | } |
1063 | } |
881 | |
1064 | |
882 | static void |
1065 | static void |
… | |
… | |
899 | Safefree (cctx->sptr); |
1082 | Safefree (cctx->sptr); |
900 | |
1083 | |
901 | Safefree (cctx); |
1084 | Safefree (cctx); |
902 | } |
1085 | } |
903 | |
1086 | |
|
|
1087 | /* wether this cctx should be destructed */ |
|
|
1088 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
|
|
1089 | |
904 | static coro_cctx * |
1090 | static coro_cctx * |
905 | cctx_get (pTHX) |
1091 | cctx_get (pTHX) |
906 | { |
1092 | { |
907 | while (cctx_first) |
1093 | while (expect_true (cctx_first)) |
908 | { |
1094 | { |
909 | coro_cctx *cctx = cctx_first; |
1095 | coro_cctx *cctx = cctx_first; |
910 | cctx_first = cctx->next; |
1096 | cctx_first = cctx->next; |
911 | --cctx_idle; |
1097 | --cctx_idle; |
912 | |
1098 | |
913 | if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE)) |
1099 | if (expect_true (!CCTX_EXPIRED (cctx))) |
914 | return cctx; |
1100 | return cctx; |
915 | |
1101 | |
916 | cctx_destroy (cctx); |
1102 | cctx_destroy (cctx); |
917 | } |
1103 | } |
918 | |
1104 | |
… | |
… | |
921 | |
1107 | |
922 | static void |
1108 | static void |
923 | cctx_put (coro_cctx *cctx) |
1109 | cctx_put (coro_cctx *cctx) |
924 | { |
1110 | { |
925 | /* free another cctx if overlimit */ |
1111 | /* free another cctx if overlimit */ |
926 | if (cctx_idle >= MAX_IDLE_CCTX) |
1112 | if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) |
927 | { |
1113 | { |
928 | coro_cctx *first = cctx_first; |
1114 | coro_cctx *first = cctx_first; |
929 | cctx_first = first->next; |
1115 | cctx_first = first->next; |
930 | --cctx_idle; |
1116 | --cctx_idle; |
931 | |
1117 | |
… | |
… | |
937 | cctx_first = cctx; |
1123 | cctx_first = cctx; |
938 | } |
1124 | } |
939 | |
1125 | |
940 | /** coroutine switching *****************************************************/ |
1126 | /** coroutine switching *****************************************************/ |
941 | |
1127 | |
942 | /* never call directly, always through the coro_state_transfer global variable */ |
1128 | static void |
|
|
1129 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
|
|
1130 | { |
|
|
1131 | if (expect_true (prev != next)) |
|
|
1132 | { |
|
|
1133 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
|
|
1134 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
|
|
1135 | |
|
|
1136 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1137 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
1138 | |
|
|
1139 | if (expect_false (next->flags & CF_DESTROYED)) |
|
|
1140 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
1141 | |
|
|
1142 | #if !PERL_VERSION_ATLEAST (5,10,0) |
|
|
1143 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
|
|
1144 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version"); |
|
|
1145 | #endif |
|
|
1146 | } |
|
|
1147 | } |
|
|
1148 | |
|
|
1149 | /* always use the TRANSFER macro */ |
943 | static void NOINLINE |
1150 | static void NOINLINE |
944 | transfer (pTHX_ struct coro *prev, struct coro *next) |
1151 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
945 | { |
1152 | { |
946 | dSTACKLEVEL; |
1153 | dSTACKLEVEL; |
|
|
1154 | static volatile int has_throw; |
947 | |
1155 | |
948 | /* sometimes transfer is only called to set idle_sp */ |
1156 | /* sometimes transfer is only called to set idle_sp */ |
949 | if (!next) |
1157 | if (expect_false (!next)) |
950 | { |
1158 | { |
951 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1159 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
952 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1160 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
953 | } |
1161 | } |
954 | else if (prev != next) |
1162 | else if (expect_true (prev != next)) |
955 | { |
1163 | { |
956 | coro_cctx *prev__cctx; |
1164 | coro_cctx *prev__cctx; |
957 | |
1165 | |
958 | if (prev->flags & CF_NEW) |
1166 | if (expect_false (prev->flags & CF_NEW)) |
959 | { |
1167 | { |
960 | /* create a new empty context */ |
1168 | /* create a new empty context */ |
961 | Newz (0, prev->cctx, 1, coro_cctx); |
1169 | Newz (0, prev->cctx, 1, coro_cctx); |
962 | prev->flags &= ~CF_NEW; |
1170 | prev->flags &= ~CF_NEW; |
963 | prev->flags |= CF_RUNNING; |
1171 | prev->flags |= CF_RUNNING; |
964 | } |
1172 | } |
965 | |
1173 | |
966 | /*TODO: must not croak here */ |
|
|
967 | if (!prev->flags & CF_RUNNING) |
|
|
968 | croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states"); |
|
|
969 | |
|
|
970 | if (next->flags & CF_RUNNING) |
|
|
971 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
972 | |
|
|
973 | if (next->flags & CF_DESTROYED) |
|
|
974 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
975 | |
|
|
976 | prev->flags &= ~CF_RUNNING; |
1174 | prev->flags &= ~CF_RUNNING; |
977 | next->flags |= CF_RUNNING; |
1175 | next->flags |= CF_RUNNING; |
978 | |
1176 | |
979 | LOCK; |
1177 | LOCK; |
980 | |
1178 | |
|
|
1179 | /* first get rid of the old state */ |
|
|
1180 | save_perl (aTHX_ prev); |
|
|
1181 | |
981 | if (next->flags & CF_NEW) |
1182 | if (expect_false (next->flags & CF_NEW)) |
982 | { |
1183 | { |
983 | /* need to start coroutine */ |
1184 | /* need to start coroutine */ |
984 | next->flags &= ~CF_NEW; |
1185 | next->flags &= ~CF_NEW; |
985 | /* first get rid of the old state */ |
|
|
986 | save_perl (aTHX_ prev); |
|
|
987 | /* setup coroutine call */ |
1186 | /* setup coroutine call */ |
988 | setup_coro (aTHX_ next); |
1187 | coro_setup (aTHX_ next); |
989 | } |
1188 | } |
990 | else |
1189 | else |
991 | { |
|
|
992 | /* coroutine already started */ |
|
|
993 | save_perl (aTHX_ prev); |
|
|
994 | load_perl (aTHX_ next); |
1190 | load_perl (aTHX_ next); |
995 | } |
|
|
996 | |
1191 | |
997 | prev__cctx = prev->cctx; |
1192 | prev__cctx = prev->cctx; |
998 | |
1193 | |
999 | /* possibly "free" the cctx */ |
1194 | /* possibly "free" the cctx */ |
1000 | if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)) |
1195 | if (expect_true ( |
|
|
1196 | prev__cctx->idle_sp == STACKLEVEL |
|
|
1197 | && !(prev__cctx->flags & CC_TRACE) |
|
|
1198 | && !force_cctx |
|
|
1199 | )) |
1001 | { |
1200 | { |
1002 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1201 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1003 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1202 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1004 | |
1203 | |
1005 | prev->cctx = 0; |
1204 | prev->cctx = 0; |
1006 | |
1205 | |
|
|
1206 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
|
|
1207 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
|
|
1208 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
|
|
1209 | if (!next->cctx) |
|
|
1210 | next->cctx = cctx_get (aTHX); |
|
|
1211 | |
1007 | cctx_put (prev__cctx); |
1212 | cctx_put (prev__cctx); |
1008 | } |
1213 | } |
1009 | |
1214 | |
|
|
1215 | ++next->usecount; |
|
|
1216 | |
1010 | if (!next->cctx) |
1217 | if (expect_true (!next->cctx)) |
1011 | next->cctx = cctx_get (aTHX); |
1218 | next->cctx = cctx_get (aTHX); |
1012 | |
1219 | |
|
|
1220 | has_throw = !!next->throw; |
|
|
1221 | |
1013 | if (prev__cctx != next->cctx) |
1222 | if (expect_false (prev__cctx != next->cctx)) |
1014 | { |
1223 | { |
1015 | prev__cctx->top_env = PL_top_env; |
1224 | prev__cctx->top_env = PL_top_env; |
1016 | PL_top_env = next->cctx->top_env; |
1225 | PL_top_env = next->cctx->top_env; |
1017 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1226 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1018 | } |
1227 | } |
1019 | |
1228 | |
1020 | free_coro_mortal (aTHX); |
1229 | free_coro_mortal (aTHX); |
1021 | UNLOCK; |
1230 | UNLOCK; |
|
|
1231 | |
|
|
1232 | if (expect_false (has_throw)) |
|
|
1233 | { |
|
|
1234 | struct coro *coro = SvSTATE (coro_current); |
|
|
1235 | |
|
|
1236 | if (coro->throw) |
|
|
1237 | { |
|
|
1238 | SV *exception = coro->throw; |
|
|
1239 | coro->throw = 0; |
|
|
1240 | sv_setsv (ERRSV, exception); |
|
|
1241 | croak (0); |
|
|
1242 | } |
|
|
1243 | } |
1022 | } |
1244 | } |
1023 | } |
1245 | } |
1024 | |
1246 | |
1025 | struct transfer_args |
1247 | struct transfer_args |
1026 | { |
1248 | { |
1027 | struct coro *prev, *next; |
1249 | struct coro *prev, *next; |
1028 | }; |
1250 | }; |
1029 | |
1251 | |
|
|
1252 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1030 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
1253 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1031 | |
1254 | |
1032 | /** high level stuff ********************************************************/ |
1255 | /** high level stuff ********************************************************/ |
1033 | |
1256 | |
1034 | static int |
1257 | static int |
1035 | coro_state_destroy (pTHX_ struct coro *coro) |
1258 | coro_state_destroy (pTHX_ struct coro *coro) |
… | |
… | |
1052 | |
1275 | |
1053 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1276 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1054 | { |
1277 | { |
1055 | struct coro temp; |
1278 | struct coro temp; |
1056 | |
1279 | |
1057 | assert (!(coro->flags & CF_RUNNING)); |
|
|
1058 | |
|
|
1059 | Zero (&temp, 1, struct coro); |
|
|
1060 | temp.save = CORO_SAVE_ALL; |
|
|
1061 | |
|
|
1062 | if (coro->flags & CF_RUNNING) |
1280 | if (coro->flags & CF_RUNNING) |
1063 | croak ("FATAL: tried to destroy currently running coroutine"); |
1281 | croak ("FATAL: tried to destroy currently running coroutine"); |
1064 | |
1282 | |
1065 | save_perl (aTHX_ &temp); |
1283 | save_perl (aTHX_ &temp); |
1066 | load_perl (aTHX_ coro); |
1284 | load_perl (aTHX_ coro); |
1067 | |
1285 | |
1068 | coro_destroy_stacks (aTHX); |
1286 | coro_destroy (aTHX_ coro); |
1069 | |
1287 | |
1070 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
1288 | load_perl (aTHX_ &temp); |
1071 | |
1289 | |
1072 | coro->mainstack = 0; |
1290 | coro->slot = 0; |
1073 | } |
1291 | } |
1074 | |
1292 | |
1075 | cctx_destroy (coro->cctx); |
1293 | cctx_destroy (coro->cctx); |
1076 | SvREFCNT_dec (coro->args); |
1294 | SvREFCNT_dec (coro->args); |
1077 | |
1295 | |
… | |
… | |
1123 | static void |
1341 | static void |
1124 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1342 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1125 | { |
1343 | { |
1126 | ta->prev = SvSTATE (prev_sv); |
1344 | ta->prev = SvSTATE (prev_sv); |
1127 | ta->next = SvSTATE (next_sv); |
1345 | ta->next = SvSTATE (next_sv); |
|
|
1346 | TRANSFER_CHECK (*ta); |
1128 | } |
1347 | } |
1129 | |
1348 | |
1130 | static void |
1349 | static void |
1131 | api_transfer (SV *prev_sv, SV *next_sv) |
1350 | api_transfer (SV *prev_sv, SV *next_sv) |
1132 | { |
1351 | { |
1133 | dTHX; |
1352 | dTHX; |
1134 | struct transfer_args ta; |
1353 | struct transfer_args ta; |
1135 | |
1354 | |
1136 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1355 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1137 | TRANSFER (ta); |
1356 | TRANSFER (ta, 1); |
1138 | } |
|
|
1139 | |
|
|
1140 | static int |
|
|
1141 | api_save (SV *coro_sv, int new_save) |
|
|
1142 | { |
|
|
1143 | dTHX; |
|
|
1144 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1145 | int old_save = coro->save; |
|
|
1146 | |
|
|
1147 | if (new_save >= 0) |
|
|
1148 | coro->save = new_save; |
|
|
1149 | |
|
|
1150 | return old_save; |
|
|
1151 | } |
1357 | } |
1152 | |
1358 | |
1153 | /** Coro ********************************************************************/ |
1359 | /** Coro ********************************************************************/ |
1154 | |
1360 | |
1155 | static void |
1361 | static void |
… | |
… | |
1157 | { |
1363 | { |
1158 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1364 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1159 | } |
1365 | } |
1160 | |
1366 | |
1161 | static SV * |
1367 | static SV * |
1162 | coro_deq (pTHX_ int min_prio) |
1368 | coro_deq (pTHX) |
1163 | { |
1369 | { |
1164 | int prio = PRIO_MAX - PRIO_MIN; |
1370 | int prio; |
1165 | |
1371 | |
1166 | min_prio -= PRIO_MIN; |
|
|
1167 | if (min_prio < 0) |
|
|
1168 | min_prio = 0; |
|
|
1169 | |
|
|
1170 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) |
1372 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1171 | if (AvFILLp (coro_ready [prio]) >= 0) |
1373 | if (AvFILLp (coro_ready [prio]) >= 0) |
1172 | return av_shift (coro_ready [prio]); |
1374 | return av_shift (coro_ready [prio]); |
1173 | |
1375 | |
1174 | return 0; |
1376 | return 0; |
1175 | } |
1377 | } |
… | |
… | |
1211 | SV *prev_sv, *next_sv; |
1413 | SV *prev_sv, *next_sv; |
1212 | |
1414 | |
1213 | for (;;) |
1415 | for (;;) |
1214 | { |
1416 | { |
1215 | LOCK; |
1417 | LOCK; |
1216 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1418 | next_sv = coro_deq (aTHX); |
1217 | |
1419 | |
1218 | /* nothing to schedule: call the idle handler */ |
1420 | /* nothing to schedule: call the idle handler */ |
1219 | if (!next_sv) |
1421 | if (expect_false (!next_sv)) |
1220 | { |
1422 | { |
1221 | dSP; |
1423 | dSP; |
1222 | UNLOCK; |
1424 | UNLOCK; |
1223 | |
1425 | |
1224 | ENTER; |
1426 | ENTER; |
1225 | SAVETMPS; |
1427 | SAVETMPS; |
1226 | |
1428 | |
1227 | PUSHMARK (SP); |
1429 | PUSHMARK (SP); |
1228 | PUTBACK; |
1430 | PUTBACK; |
1229 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
1431 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
|
|
1432 | SPAGAIN; |
1230 | |
1433 | |
1231 | FREETMPS; |
1434 | FREETMPS; |
1232 | LEAVE; |
1435 | LEAVE; |
1233 | continue; |
1436 | continue; |
1234 | } |
1437 | } |
1235 | |
1438 | |
1236 | ta->next = SvSTATE (next_sv); |
1439 | ta->next = SvSTATE (next_sv); |
1237 | |
1440 | |
1238 | /* cannot transfer to destroyed coros, skip and look for next */ |
1441 | /* cannot transfer to destroyed coros, skip and look for next */ |
1239 | if (ta->next->flags & CF_DESTROYED) |
1442 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1240 | { |
1443 | { |
1241 | UNLOCK; |
1444 | UNLOCK; |
1242 | SvREFCNT_dec (next_sv); |
1445 | SvREFCNT_dec (next_sv); |
1243 | /* coro_nready is already taken care of by destroy */ |
1446 | /* coro_nready is already taken care of by destroy */ |
1244 | continue; |
1447 | continue; |
… | |
… | |
1249 | break; |
1452 | break; |
1250 | } |
1453 | } |
1251 | |
1454 | |
1252 | /* free this only after the transfer */ |
1455 | /* free this only after the transfer */ |
1253 | prev_sv = SvRV (coro_current); |
1456 | prev_sv = SvRV (coro_current); |
1254 | SvRV_set (coro_current, next_sv); |
|
|
1255 | ta->prev = SvSTATE (prev_sv); |
1457 | ta->prev = SvSTATE (prev_sv); |
1256 | |
1458 | TRANSFER_CHECK (*ta); |
1257 | assert (ta->next->flags & CF_READY); |
1459 | assert (ta->next->flags & CF_READY); |
1258 | ta->next->flags &= ~CF_READY; |
1460 | ta->next->flags &= ~CF_READY; |
|
|
1461 | SvRV_set (coro_current, next_sv); |
1259 | |
1462 | |
1260 | LOCK; |
1463 | LOCK; |
1261 | free_coro_mortal (aTHX); |
1464 | free_coro_mortal (aTHX); |
1262 | coro_mortal = prev_sv; |
1465 | coro_mortal = prev_sv; |
1263 | UNLOCK; |
1466 | UNLOCK; |
… | |
… | |
1289 | { |
1492 | { |
1290 | dTHX; |
1493 | dTHX; |
1291 | struct transfer_args ta; |
1494 | struct transfer_args ta; |
1292 | |
1495 | |
1293 | prepare_schedule (aTHX_ &ta); |
1496 | prepare_schedule (aTHX_ &ta); |
1294 | TRANSFER (ta); |
1497 | TRANSFER (ta, 1); |
1295 | } |
1498 | } |
1296 | |
1499 | |
1297 | static int |
1500 | static int |
1298 | api_cede (void) |
1501 | api_cede (void) |
1299 | { |
1502 | { |
1300 | dTHX; |
1503 | dTHX; |
1301 | struct transfer_args ta; |
1504 | struct transfer_args ta; |
1302 | |
1505 | |
1303 | prepare_cede (aTHX_ &ta); |
1506 | prepare_cede (aTHX_ &ta); |
1304 | |
1507 | |
1305 | if (ta.prev != ta.next) |
1508 | if (expect_true (ta.prev != ta.next)) |
1306 | { |
1509 | { |
1307 | TRANSFER (ta); |
1510 | TRANSFER (ta, 1); |
1308 | return 1; |
1511 | return 1; |
1309 | } |
1512 | } |
1310 | else |
1513 | else |
1311 | return 0; |
1514 | return 0; |
1312 | } |
1515 | } |
… | |
… | |
1317 | dTHX; |
1520 | dTHX; |
1318 | struct transfer_args ta; |
1521 | struct transfer_args ta; |
1319 | |
1522 | |
1320 | if (prepare_cede_notself (aTHX_ &ta)) |
1523 | if (prepare_cede_notself (aTHX_ &ta)) |
1321 | { |
1524 | { |
1322 | TRANSFER (ta); |
1525 | TRANSFER (ta, 1); |
1323 | return 1; |
1526 | return 1; |
1324 | } |
1527 | } |
1325 | else |
1528 | else |
1326 | return 0; |
1529 | return 0; |
1327 | } |
1530 | } |
1328 | |
1531 | |
|
|
1532 | static void |
|
|
1533 | api_trace (SV *coro_sv, int flags) |
|
|
1534 | { |
|
|
1535 | dTHX; |
|
|
1536 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1537 | |
|
|
1538 | if (flags & CC_TRACE) |
|
|
1539 | { |
|
|
1540 | if (!coro->cctx) |
|
|
1541 | coro->cctx = cctx_new (); |
|
|
1542 | else if (!(coro->cctx->flags & CC_TRACE)) |
|
|
1543 | croak ("cannot enable tracing on coroutine with custom stack"); |
|
|
1544 | |
|
|
1545 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
|
|
1546 | } |
|
|
1547 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
|
|
1548 | { |
|
|
1549 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
|
|
1550 | |
|
|
1551 | if (coro->flags & CF_RUNNING) |
|
|
1552 | PL_runops = RUNOPS_DEFAULT; |
|
|
1553 | else |
|
|
1554 | coro->slot->runops = RUNOPS_DEFAULT; |
|
|
1555 | } |
|
|
1556 | } |
|
|
1557 | |
1329 | MODULE = Coro::State PACKAGE = Coro::State |
1558 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1330 | |
1559 | |
1331 | PROTOTYPES: DISABLE |
1560 | PROTOTYPES: DISABLE |
1332 | |
1561 | |
1333 | BOOT: |
1562 | BOOT: |
1334 | { |
1563 | { |
1335 | #ifdef USE_ITHREADS |
1564 | #ifdef USE_ITHREADS |
1336 | MUTEX_INIT (&coro_mutex); |
1565 | MUTEX_INIT (&coro_mutex); |
1337 | #endif |
1566 | #endif |
1338 | BOOT_PAGESIZE; |
1567 | BOOT_PAGESIZE; |
|
|
1568 | |
|
|
1569 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
|
|
1570 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
|
|
1571 | |
|
|
1572 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; |
|
|
1573 | PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
|
|
1574 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; |
|
|
1575 | PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
|
|
1576 | |
|
|
1577 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
1578 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
|
|
1579 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
1339 | |
1580 | |
1340 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1581 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1341 | |
1582 | |
1342 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1583 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1343 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1584 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1344 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
1585 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
1345 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
1586 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
1346 | |
1587 | |
1347 | newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); |
|
|
1348 | newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); |
|
|
1349 | newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); |
|
|
1350 | newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); |
|
|
1351 | newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH)); |
|
|
1352 | newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF)); |
|
|
1353 | newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); |
|
|
1354 | |
|
|
1355 | main_mainstack = PL_mainstack; |
1588 | main_mainstack = PL_mainstack; |
1356 | main_top_env = PL_top_env; |
1589 | main_top_env = PL_top_env; |
1357 | |
1590 | |
1358 | while (main_top_env->je_prev) |
1591 | while (main_top_env->je_prev) |
1359 | main_top_env = main_top_env->je_prev; |
1592 | main_top_env = main_top_env->je_prev; |
1360 | |
1593 | |
1361 | coroapi.ver = CORO_API_VERSION; |
1594 | coroapi.ver = CORO_API_VERSION; |
|
|
1595 | coroapi.rev = CORO_API_REVISION; |
1362 | coroapi.transfer = api_transfer; |
1596 | coroapi.transfer = api_transfer; |
1363 | |
1597 | |
1364 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1598 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1365 | } |
1599 | } |
1366 | |
1600 | |
1367 | SV * |
1601 | SV * |
1368 | new (char *klass, ...) |
1602 | new (char *klass, ...) |
1369 | CODE: |
1603 | CODE: |
1370 | { |
1604 | { |
1371 | struct coro *coro; |
1605 | struct coro *coro; |
|
|
1606 | MAGIC *mg; |
1372 | HV *hv; |
1607 | HV *hv; |
1373 | int i; |
1608 | int i; |
1374 | |
1609 | |
1375 | Newz (0, coro, 1, struct coro); |
1610 | Newz (0, coro, 1, struct coro); |
1376 | coro->args = newAV (); |
1611 | coro->args = newAV (); |
1377 | coro->save = CORO_SAVE_DEF; |
|
|
1378 | coro->flags = CF_NEW; |
1612 | coro->flags = CF_NEW; |
1379 | |
1613 | |
1380 | if (coro_first) coro_first->prev = coro; |
1614 | if (coro_first) coro_first->prev = coro; |
1381 | coro->next = coro_first; |
1615 | coro->next = coro_first; |
1382 | coro_first = coro; |
1616 | coro_first = coro; |
1383 | |
1617 | |
1384 | coro->hv = hv = newHV (); |
1618 | coro->hv = hv = newHV (); |
1385 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1619 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
1620 | mg->mg_flags |= MGf_DUP; |
1386 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1621 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1387 | |
1622 | |
|
|
1623 | av_extend (coro->args, items - 1); |
1388 | for (i = 1; i < items; i++) |
1624 | for (i = 1; i < items; i++) |
1389 | av_push (coro->args, newSVsv (ST (i))); |
1625 | av_push (coro->args, newSVsv (ST (i))); |
1390 | } |
1626 | } |
1391 | OUTPUT: |
1627 | OUTPUT: |
1392 | RETVAL |
1628 | RETVAL |
1393 | |
1629 | |
1394 | int |
1630 | # these not obviously related functions are all rolled into the same xs |
1395 | save (SV *coro, int new_save = -1) |
1631 | # function to increase chances that they all will call transfer with the same |
1396 | CODE: |
1632 | # stack offset |
1397 | RETVAL = api_save (coro, new_save); |
|
|
1398 | OUTPUT: |
|
|
1399 | RETVAL |
|
|
1400 | |
|
|
1401 | int |
|
|
1402 | save_also (SV *coro_sv, int save_also) |
|
|
1403 | CODE: |
|
|
1404 | { |
|
|
1405 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1406 | RETVAL = coro->save; |
|
|
1407 | coro->save |= save_also; |
|
|
1408 | } |
|
|
1409 | OUTPUT: |
|
|
1410 | RETVAL |
|
|
1411 | |
|
|
1412 | void |
1633 | void |
1413 | _set_stacklevel (...) |
1634 | _set_stacklevel (...) |
1414 | ALIAS: |
1635 | ALIAS: |
1415 | Coro::State::transfer = 1 |
1636 | Coro::State::transfer = 1 |
1416 | Coro::schedule = 2 |
1637 | Coro::schedule = 2 |
… | |
… | |
1418 | Coro::cede_notself = 4 |
1639 | Coro::cede_notself = 4 |
1419 | CODE: |
1640 | CODE: |
1420 | { |
1641 | { |
1421 | struct transfer_args ta; |
1642 | struct transfer_args ta; |
1422 | |
1643 | |
|
|
1644 | PUTBACK; |
1423 | switch (ix) |
1645 | switch (ix) |
1424 | { |
1646 | { |
1425 | case 0: |
1647 | case 0: |
1426 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1648 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1427 | ta.next = 0; |
1649 | ta.next = 0; |
… | |
… | |
1446 | if (!prepare_cede_notself (aTHX_ &ta)) |
1668 | if (!prepare_cede_notself (aTHX_ &ta)) |
1447 | XSRETURN_EMPTY; |
1669 | XSRETURN_EMPTY; |
1448 | |
1670 | |
1449 | break; |
1671 | break; |
1450 | } |
1672 | } |
|
|
1673 | SPAGAIN; |
1451 | |
1674 | |
1452 | BARRIER; |
1675 | BARRIER; |
|
|
1676 | PUTBACK; |
1453 | TRANSFER (ta); |
1677 | TRANSFER (ta, 0); |
1454 | |
1678 | SPAGAIN; /* might be the sp of a different coroutine now */ |
1455 | if (GIMME_V != G_VOID && ta.next != ta.prev) |
1679 | /* be extra careful not to ever do anything after TRANSFER */ |
1456 | XSRETURN_YES; |
|
|
1457 | } |
1680 | } |
1458 | |
1681 | |
1459 | bool |
1682 | bool |
1460 | _destroy (SV *coro_sv) |
1683 | _destroy (SV *coro_sv) |
1461 | CODE: |
1684 | CODE: |
… | |
… | |
1510 | CODE: |
1733 | CODE: |
1511 | { |
1734 | { |
1512 | if (coro->mainstack) |
1735 | if (coro->mainstack) |
1513 | { |
1736 | { |
1514 | struct coro temp; |
1737 | struct coro temp; |
1515 | Zero (&temp, 1, struct coro); |
|
|
1516 | temp.save = CORO_SAVE_ALL; |
|
|
1517 | |
1738 | |
1518 | if (!(coro->flags & CF_RUNNING)) |
1739 | if (!(coro->flags & CF_RUNNING)) |
1519 | { |
1740 | { |
|
|
1741 | PUTBACK; |
1520 | save_perl (aTHX_ &temp); |
1742 | save_perl (aTHX_ &temp); |
1521 | load_perl (aTHX_ coro); |
1743 | load_perl (aTHX_ coro); |
1522 | } |
1744 | } |
1523 | |
1745 | |
1524 | { |
1746 | { |
1525 | dSP; |
1747 | dSP; |
1526 | ENTER; |
1748 | ENTER; |
1527 | SAVETMPS; |
1749 | SAVETMPS; |
|
|
1750 | PUTBACK; |
|
|
1751 | PUSHSTACK; |
1528 | PUSHMARK (SP); |
1752 | PUSHMARK (SP); |
1529 | PUTBACK; |
1753 | |
1530 | if (ix) |
1754 | if (ix) |
1531 | eval_sv (coderef, 0); |
1755 | eval_sv (coderef, 0); |
1532 | else |
1756 | else |
1533 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1757 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
1758 | |
|
|
1759 | POPSTACK; |
1534 | SPAGAIN; |
1760 | SPAGAIN; |
1535 | FREETMPS; |
1761 | FREETMPS; |
1536 | LEAVE; |
1762 | LEAVE; |
1537 | PUTBACK; |
1763 | PUTBACK; |
1538 | } |
1764 | } |
1539 | |
1765 | |
1540 | if (!(coro->flags & CF_RUNNING)) |
1766 | if (!(coro->flags & CF_RUNNING)) |
1541 | { |
1767 | { |
1542 | save_perl (aTHX_ coro); |
1768 | save_perl (aTHX_ coro); |
1543 | load_perl (aTHX_ &temp); |
1769 | load_perl (aTHX_ &temp); |
|
|
1770 | SPAGAIN; |
1544 | } |
1771 | } |
1545 | } |
1772 | } |
1546 | } |
1773 | } |
1547 | |
1774 | |
1548 | SV * |
1775 | SV * |
1549 | is_ready (Coro::State coro) |
1776 | is_ready (Coro::State coro) |
1550 | PROTOTYPE: $ |
1777 | PROTOTYPE: $ |
1551 | ALIAS: |
1778 | ALIAS: |
1552 | is_ready = CF_READY |
1779 | is_ready = CF_READY |
… | |
… | |
1557 | RETVAL = boolSV (coro->flags & ix); |
1784 | RETVAL = boolSV (coro->flags & ix); |
1558 | OUTPUT: |
1785 | OUTPUT: |
1559 | RETVAL |
1786 | RETVAL |
1560 | |
1787 | |
1561 | void |
1788 | void |
1562 | trace (Coro::State coro, int flags = CC_TRACE | CC_TRACE_SUB) |
1789 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
1563 | CODE: |
|
|
1564 | if (flags & CC_TRACE) |
|
|
1565 | { |
|
|
1566 | if (!coro->cctx) |
|
|
1567 | coro->cctx = cctx_new (); |
|
|
1568 | else if (!(coro->cctx->flags & CC_TRACE)) |
|
|
1569 | croak ("cannot enable tracing on coroutine with custom stack"); |
|
|
1570 | |
|
|
1571 | coro->cctx->flags |= flags & (CC_TRACE | CC_TRACE_ALL); |
|
|
1572 | } |
|
|
1573 | else |
|
|
1574 | if (coro->cctx && coro->cctx->flags & CC_TRACE) |
|
|
1575 | { |
|
|
1576 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
|
|
1577 | coro->cctx->flags |= CC_NOREUSE; |
|
|
1578 | |
|
|
1579 | if (coro->flags & CF_RUNNING) |
|
|
1580 | PL_runops = RUNOPS_DEFAULT; |
|
|
1581 | else |
|
|
1582 | coro->runops = RUNOPS_DEFAULT; |
|
|
1583 | } |
|
|
1584 | |
1790 | |
1585 | SV * |
1791 | SV * |
1586 | has_stack (Coro::State coro) |
1792 | has_stack (Coro::State coro) |
1587 | PROTOTYPE: $ |
1793 | PROTOTYPE: $ |
1588 | CODE: |
1794 | CODE: |
… | |
… | |
1599 | RETVAL |
1805 | RETVAL |
1600 | |
1806 | |
1601 | IV |
1807 | IV |
1602 | rss (Coro::State coro) |
1808 | rss (Coro::State coro) |
1603 | PROTOTYPE: $ |
1809 | PROTOTYPE: $ |
|
|
1810 | ALIAS: |
|
|
1811 | usecount = 1 |
1604 | CODE: |
1812 | CODE: |
1605 | RETVAL = coro_rss (coro); |
1813 | switch (ix) |
|
|
1814 | { |
|
|
1815 | case 0: RETVAL = coro_rss (aTHX_ coro); break; |
|
|
1816 | case 1: RETVAL = coro->usecount; break; |
|
|
1817 | } |
1606 | OUTPUT: |
1818 | OUTPUT: |
1607 | RETVAL |
1819 | RETVAL |
1608 | |
1820 | |
|
|
1821 | void |
|
|
1822 | force_cctx () |
|
|
1823 | CODE: |
|
|
1824 | struct coro *coro = SvSTATE (coro_current); |
|
|
1825 | coro->cctx->idle_sp = 0; |
1609 | |
1826 | |
1610 | MODULE = Coro::State PACKAGE = Coro |
1827 | MODULE = Coro::State PACKAGE = Coro |
1611 | |
1828 | |
1612 | BOOT: |
1829 | BOOT: |
1613 | { |
1830 | { |
1614 | int i; |
1831 | int i; |
1615 | |
1832 | |
1616 | sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); |
1833 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
1617 | sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); |
1834 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
1618 | av_async_pool = get_av ("Coro::async_pool", TRUE); |
1835 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
1619 | |
1836 | |
1620 | coro_current = get_sv ("Coro::current", FALSE); |
1837 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
1621 | SvREADONLY_on (coro_current); |
1838 | SvREADONLY_on (coro_current); |
1622 | |
1839 | |
1623 | coro_stash = gv_stashpv ("Coro", TRUE); |
1840 | coro_stash = gv_stashpv ("Coro", TRUE); |
1624 | |
1841 | |
1625 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1842 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1626 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1843 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1627 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1844 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1628 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1845 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
… | |
… | |
1631 | |
1848 | |
1632 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1849 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1633 | coro_ready[i] = newAV (); |
1850 | coro_ready[i] = newAV (); |
1634 | |
1851 | |
1635 | { |
1852 | { |
1636 | SV *sv = perl_get_sv("Coro::API", 1); |
1853 | SV *sv = perl_get_sv ("Coro::API", TRUE); |
|
|
1854 | perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */ |
1637 | |
1855 | |
1638 | coroapi.schedule = api_schedule; |
1856 | coroapi.schedule = api_schedule; |
1639 | coroapi.save = api_save; |
|
|
1640 | coroapi.cede = api_cede; |
1857 | coroapi.cede = api_cede; |
1641 | coroapi.cede_notself = api_cede_notself; |
1858 | coroapi.cede_notself = api_cede_notself; |
1642 | coroapi.ready = api_ready; |
1859 | coroapi.ready = api_ready; |
1643 | coroapi.is_ready = api_is_ready; |
1860 | coroapi.is_ready = api_is_ready; |
1644 | coroapi.nready = &coro_nready; |
1861 | coroapi.nready = &coro_nready; |
… | |
… | |
1693 | CODE: |
1910 | CODE: |
1694 | RETVAL = coro_nready; |
1911 | RETVAL = coro_nready; |
1695 | OUTPUT: |
1912 | OUTPUT: |
1696 | RETVAL |
1913 | RETVAL |
1697 | |
1914 | |
|
|
1915 | void |
|
|
1916 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
1917 | PROTOTYPE: $;$ |
|
|
1918 | CODE: |
|
|
1919 | SvREFCNT_dec (self->throw); |
|
|
1920 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
1921 | |
|
|
1922 | void |
|
|
1923 | swap_defsv (Coro::State self) |
|
|
1924 | PROTOTYPE: $ |
|
|
1925 | ALIAS: |
|
|
1926 | swap_defav = 1 |
|
|
1927 | CODE: |
|
|
1928 | if (!self->slot) |
|
|
1929 | croak ("cannot swap state with coroutine that has no saved state"); |
|
|
1930 | else |
|
|
1931 | { |
|
|
1932 | SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv); |
|
|
1933 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
|
|
1934 | |
|
|
1935 | SV *tmp = *src; *src = *dst; *dst = tmp; |
|
|
1936 | } |
|
|
1937 | |
1698 | # for async_pool speedup |
1938 | # for async_pool speedup |
1699 | void |
1939 | void |
1700 | _pool_1 (SV *cb) |
1940 | _pool_1 (SV *cb) |
1701 | CODE: |
1941 | CODE: |
1702 | { |
1942 | { |
1703 | int i, len; |
1943 | struct coro *coro = SvSTATE (coro_current); |
1704 | HV *hv = (HV *)SvRV (coro_current); |
1944 | HV *hv = (HV *)SvRV (coro_current); |
1705 | AV *defav = GvAV (PL_defgv); |
1945 | AV *defav = GvAV (PL_defgv); |
1706 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1946 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1707 | AV *invoke_av; |
1947 | AV *invoke_av; |
|
|
1948 | int i, len; |
1708 | |
1949 | |
1709 | if (!invoke) |
1950 | if (!invoke) |
|
|
1951 | { |
|
|
1952 | SvREFCNT_dec (PL_diehook); PL_diehook = 0; |
1710 | croak ("\3terminate\2\n"); |
1953 | croak ("\3async_pool terminate\2\n"); |
|
|
1954 | } |
|
|
1955 | |
|
|
1956 | SvREFCNT_dec (coro->saved_deffh); |
|
|
1957 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
1711 | |
1958 | |
1712 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1959 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1713 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
1960 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
1714 | |
1961 | |
1715 | invoke_av = (AV *)SvRV (invoke); |
1962 | invoke_av = (AV *)SvRV (invoke); |
… | |
… | |
1733 | { |
1980 | { |
1734 | struct coro *coro = SvSTATE (coro_current); |
1981 | struct coro *coro = SvSTATE (coro_current); |
1735 | |
1982 | |
1736 | sv_setsv (cb, &PL_sv_undef); |
1983 | sv_setsv (cb, &PL_sv_undef); |
1737 | |
1984 | |
|
|
1985 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
1986 | coro->saved_deffh = 0; |
|
|
1987 | |
1738 | if (coro_rss (coro) > SvIV (sv_pool_rss) |
1988 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1739 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1989 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1990 | { |
|
|
1991 | SvREFCNT_dec (PL_diehook); PL_diehook = 0; |
1740 | croak ("\3terminate\2\n"); |
1992 | croak ("\3async_pool terminate\2\n"); |
|
|
1993 | } |
1741 | |
1994 | |
1742 | av_clear (GvAV (PL_defgv)); |
1995 | av_clear (GvAV (PL_defgv)); |
1743 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1996 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1744 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1997 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1745 | coro->save = CORO_SAVE_DEF; |
1998 | |
1746 | coro->prio = 0; |
1999 | coro->prio = 0; |
|
|
2000 | |
|
|
2001 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
2002 | api_trace (coro_current, 0); |
|
|
2003 | |
1747 | av_push (av_async_pool, newSVsv (coro_current)); |
2004 | av_push (av_async_pool, newSVsv (coro_current)); |
1748 | } |
2005 | } |
1749 | |
2006 | |
1750 | |
2007 | |
1751 | MODULE = Coro::State PACKAGE = Coro::AIO |
2008 | MODULE = Coro::State PACKAGE = Coro::AIO |