1 | #include "libcoro/coro.c" |
1 | #include "libcoro/coro.c" |
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2 | |
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3 | #define PERL_NO_GET_CONTEXT |
2 | |
4 | |
3 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
4 | #include "perl.h" |
6 | #include "perl.h" |
5 | #include "XSUB.h" |
7 | #include "XSUB.h" |
6 | |
8 | |
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31 | #else |
33 | #else |
32 | # define PAGESIZE 0 |
34 | # define PAGESIZE 0 |
33 | # define BOOT_PAGESIZE (void)0 |
35 | # define BOOT_PAGESIZE (void)0 |
34 | #endif |
36 | #endif |
35 | |
37 | |
36 | #if USE_VALGRIND |
38 | #if CORO_USE_VALGRIND |
37 | # include <valgrind/valgrind.h> |
39 | # include <valgrind/valgrind.h> |
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40 | # define REGISTER_STACK(cctx,start,end) (cctx)->valgrind_id = VALGRIND_STACK_REGISTER ((start), (end)) |
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41 | #else |
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42 | # define REGISTER_STACK(cctx,start,end) |
38 | #endif |
43 | #endif |
39 | |
44 | |
40 | /* the maximum number of idle cctx that will be pooled */ |
45 | /* the maximum number of idle cctx that will be pooled */ |
41 | #define MAX_IDLE_CCTX 8 |
46 | #define MAX_IDLE_CCTX 8 |
42 | |
47 | |
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71 | #ifndef SvRV_set |
76 | #ifndef SvRV_set |
72 | # define SvRV_set(s,v) SvRV(s) = (v) |
77 | # define SvRV_set(s,v) SvRV(s) = (v) |
73 | #endif |
78 | #endif |
74 | |
79 | |
75 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
80 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
76 | # undef STACKGUARD |
81 | # undef CORO_STACKGUARD |
77 | #endif |
82 | #endif |
78 | |
83 | |
79 | #ifndef STACKGUARD |
84 | #ifndef CORO_STACKGUARD |
80 | # define STACKGUARD 0 |
85 | # define CORO_STACKGUARD 0 |
81 | #endif |
86 | #endif |
82 | |
87 | |
83 | /* prefer perl internal functions over our own? */ |
88 | /* prefer perl internal functions over our own? */ |
84 | #ifndef PREFER_PERL_FUNCTIONS |
89 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
85 | # define PREFER_PERL_FUNCTIONS 0 |
90 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
86 | #endif |
91 | #endif |
87 | |
92 | |
88 | /* The next macro should declare a variable stacklevel that contains and approximation |
93 | /* The next macros try to return the current stack pointer, in an as |
89 | * to the current C stack pointer. Its property is that it changes with each call |
94 | * portable way as possible. */ |
90 | * and should be unique. */ |
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91 | #define dSTACKLEVEL int stacklevel |
95 | #define dSTACKLEVEL volatile char stacklevel |
92 | #define STACKLEVEL ((void *)&stacklevel) |
96 | #define STACKLEVEL ((void *)&stacklevel) |
93 | |
97 | |
94 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
98 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
95 | |
99 | |
96 | #if __GNUC__ >= 3 |
100 | #if __GNUC__ >= 3 |
… | |
… | |
112 | #else |
116 | #else |
113 | # define LOCK (void)0 |
117 | # define LOCK (void)0 |
114 | # define UNLOCK (void)0 |
118 | # define UNLOCK (void)0 |
115 | #endif |
119 | #endif |
116 | |
120 | |
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121 | /* helper storage struct for Coro::AIO */ |
117 | struct io_state |
122 | struct io_state |
118 | { |
123 | { |
119 | int errorno; |
124 | int errorno; |
120 | I32 laststype; |
125 | I32 laststype; |
121 | int laststatval; |
126 | int laststatval; |
122 | Stat_t statcache; |
127 | Stat_t statcache; |
123 | }; |
128 | }; |
124 | |
129 | |
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130 | static size_t coro_stacksize = CORO_STACKSIZE; |
125 | static struct CoroAPI coroapi; |
131 | static struct CoroAPI coroapi; |
126 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
132 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
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133 | static JMPENV *main_top_env; |
127 | static HV *coro_state_stash, *coro_stash; |
134 | static HV *coro_state_stash, *coro_stash; |
128 | static SV *coro_mortal; /* will be freed after next transfer */ |
135 | static SV *coro_mortal; /* will be freed after next transfer */ |
129 | |
136 | |
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137 | static GV *irsgv; /* $/ */ |
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138 | |
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139 | /* async_pool helper stuff */ |
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140 | static SV *sv_pool_rss; |
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141 | static SV *sv_pool_size; |
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142 | static AV *av_async_pool; |
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143 | |
130 | static struct coro_cctx *cctx_first; |
144 | static struct coro_cctx *cctx_first; |
131 | static int cctx_count, cctx_idle; |
145 | static int cctx_count, cctx_idle; |
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146 | |
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147 | enum { |
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148 | CC_MAPPED = 0x01, |
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149 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
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150 | CC_TRACE = 0x04, |
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151 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
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152 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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153 | CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE, |
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154 | }; |
132 | |
155 | |
133 | /* this is a structure representing a c-level coroutine */ |
156 | /* this is a structure representing a c-level coroutine */ |
134 | typedef struct coro_cctx { |
157 | typedef struct coro_cctx { |
135 | struct coro_cctx *next; |
158 | struct coro_cctx *next; |
136 | |
159 | |
137 | /* the stack */ |
160 | /* the stack */ |
138 | void *sptr; |
161 | void *sptr; |
139 | long ssize; /* positive == mmap, otherwise malloc */ |
162 | size_t ssize; |
140 | |
163 | |
141 | /* cpu state */ |
164 | /* cpu state */ |
142 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
165 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
143 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
166 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
144 | JMPENV *top_env; |
167 | JMPENV *top_env; |
145 | coro_context cctx; |
168 | coro_context cctx; |
146 | |
169 | |
147 | int inuse; |
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148 | |
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149 | #if USE_VALGRIND |
170 | #if CORO_USE_VALGRIND |
150 | int valgrind_id; |
171 | int valgrind_id; |
151 | #endif |
172 | #endif |
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173 | unsigned char flags; |
152 | } coro_cctx; |
174 | } coro_cctx; |
153 | |
175 | |
154 | enum { |
176 | enum { |
155 | CF_RUNNING = 0x0001, /* coroutine is running */ |
177 | CF_RUNNING = 0x0001, /* coroutine is running */ |
156 | CF_READY = 0x0002, /* coroutine is ready */ |
178 | CF_READY = 0x0002, /* coroutine is ready */ |
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164 | coro_cctx *cctx; |
186 | coro_cctx *cctx; |
165 | |
187 | |
166 | /* data associated with this coroutine (initial args) */ |
188 | /* data associated with this coroutine (initial args) */ |
167 | AV *args; |
189 | AV *args; |
168 | int refcnt; |
190 | int refcnt; |
169 | int save; /* CORO_SAVE flags */ |
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170 | int flags; /* CF_ flags */ |
191 | int flags; /* CF_ flags */ |
171 | |
192 | |
172 | /* optionally saved, might be zero */ |
193 | /* optionally saved, might be zero */ |
173 | AV *defav; /* @_ */ |
194 | AV *defav; /* @_ */ |
174 | SV *defsv; /* $_ */ |
195 | SV *defsv; /* $_ */ |
175 | SV *errsv; /* $@ */ |
196 | SV *errsv; /* $@ */ |
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197 | SV *deffh; /* default filehandle */ |
176 | SV *irssv; /* $/ */ |
198 | SV *irssv; /* $/ */ |
177 | SV *irssv_sv; /* real $/ cache */ |
199 | SV *irssv_sv; /* real $/ cache */ |
178 | |
200 | |
179 | #define VAR(name,type) type name; |
201 | #define VAR(name,type) type name; |
180 | # include "state.h" |
202 | # include "state.h" |
181 | #undef VAR |
203 | #undef VAR |
182 | |
204 | |
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205 | /* statistics */ |
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206 | int usecount; /* number of transfers to this coro */ |
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207 | |
183 | /* coro process data */ |
208 | /* coro process data */ |
184 | int prio; |
209 | int prio; |
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210 | //SV *throw; |
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211 | |
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212 | /* async_pool */ |
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213 | SV *saved_deffh; |
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214 | |
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215 | /* linked list */ |
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216 | struct coro *next, *prev; |
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217 | HV *hv; /* the perl hash associated with this coro, if any */ |
185 | }; |
218 | }; |
186 | |
219 | |
187 | typedef struct coro *Coro__State; |
220 | typedef struct coro *Coro__State; |
188 | typedef struct coro *Coro__State_or_hashref; |
221 | typedef struct coro *Coro__State_or_hashref; |
189 | |
222 | |
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223 | /** Coro ********************************************************************/ |
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224 | |
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225 | #define PRIO_MAX 3 |
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226 | #define PRIO_HIGH 1 |
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227 | #define PRIO_NORMAL 0 |
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228 | #define PRIO_LOW -1 |
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229 | #define PRIO_IDLE -3 |
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230 | #define PRIO_MIN -4 |
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231 | |
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232 | /* for Coro.pm */ |
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233 | static SV *coro_current; |
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234 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
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235 | static int coro_nready; |
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236 | static struct coro *coro_first; |
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237 | |
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238 | /** lowlevel stuff **********************************************************/ |
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239 | |
190 | static AV * |
240 | static AV * |
191 | coro_clone_padlist (CV *cv) |
241 | coro_clone_padlist (pTHX_ CV *cv) |
192 | { |
242 | { |
193 | AV *padlist = CvPADLIST (cv); |
243 | AV *padlist = CvPADLIST (cv); |
194 | AV *newpadlist, *newpad; |
244 | AV *newpadlist, *newpad; |
195 | |
245 | |
196 | newpadlist = newAV (); |
246 | newpadlist = newAV (); |
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208 | |
258 | |
209 | return newpadlist; |
259 | return newpadlist; |
210 | } |
260 | } |
211 | |
261 | |
212 | static void |
262 | static void |
213 | free_padlist (AV *padlist) |
263 | free_padlist (pTHX_ AV *padlist) |
214 | { |
264 | { |
215 | /* may be during global destruction */ |
265 | /* may be during global destruction */ |
216 | if (SvREFCNT (padlist)) |
266 | if (SvREFCNT (padlist)) |
217 | { |
267 | { |
218 | I32 i = AvFILLp (padlist); |
268 | I32 i = AvFILLp (padlist); |
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239 | AV *padlist; |
289 | AV *padlist; |
240 | AV *av = (AV *)mg->mg_obj; |
290 | AV *av = (AV *)mg->mg_obj; |
241 | |
291 | |
242 | /* casting is fun. */ |
292 | /* casting is fun. */ |
243 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
293 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
244 | free_padlist (padlist); |
294 | free_padlist (aTHX_ padlist); |
245 | |
295 | |
246 | SvREFCNT_dec (av); |
296 | SvREFCNT_dec (av); |
247 | |
297 | |
248 | return 0; |
298 | return 0; |
249 | } |
299 | } |
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257 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
307 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
258 | ? SvMAGIC (cv) \ |
308 | ? SvMAGIC (cv) \ |
259 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
309 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
260 | : 0 |
310 | : 0 |
261 | |
311 | |
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312 | static struct coro * |
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313 | SvSTATE_ (pTHX_ SV *coro) |
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314 | { |
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315 | HV *stash; |
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316 | MAGIC *mg; |
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317 | |
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318 | if (SvROK (coro)) |
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319 | coro = SvRV (coro); |
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320 | |
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321 | if (SvTYPE (coro) != SVt_PVHV) |
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322 | croak ("Coro::State object required"); |
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323 | |
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324 | stash = SvSTASH (coro); |
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325 | if (stash != coro_stash && stash != coro_state_stash) |
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326 | { |
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327 | /* very slow, but rare, check */ |
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328 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
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329 | croak ("Coro::State object required"); |
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330 | } |
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331 | |
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332 | mg = CORO_MAGIC (coro); |
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333 | return (struct coro *)mg->mg_ptr; |
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334 | } |
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335 | |
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336 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
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337 | |
262 | /* the next two functions merely cache the padlists */ |
338 | /* the next two functions merely cache the padlists */ |
263 | static void |
339 | static void |
264 | get_padlist (CV *cv) |
340 | get_padlist (pTHX_ CV *cv) |
265 | { |
341 | { |
266 | MAGIC *mg = CORO_MAGIC (cv); |
342 | MAGIC *mg = CORO_MAGIC (cv); |
267 | AV *av; |
343 | AV *av; |
268 | |
344 | |
269 | if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) |
345 | if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) |
270 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
346 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
271 | else |
347 | else |
272 | { |
348 | { |
273 | #if PREFER_PERL_FUNCTIONS |
349 | #if CORO_PREFER_PERL_FUNCTIONS |
274 | /* this is probably cleaner, but also slower? */ |
350 | /* this is probably cleaner, but also slower? */ |
275 | CV *cp = Perl_cv_clone (cv); |
351 | CV *cp = Perl_cv_clone (cv); |
276 | CvPADLIST (cv) = CvPADLIST (cp); |
352 | CvPADLIST (cv) = CvPADLIST (cp); |
277 | CvPADLIST (cp) = 0; |
353 | CvPADLIST (cp) = 0; |
278 | SvREFCNT_dec (cp); |
354 | SvREFCNT_dec (cp); |
279 | #else |
355 | #else |
280 | CvPADLIST (cv) = coro_clone_padlist (cv); |
356 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
281 | #endif |
357 | #endif |
282 | } |
358 | } |
283 | } |
359 | } |
284 | |
360 | |
285 | static void |
361 | static void |
286 | put_padlist (CV *cv) |
362 | put_padlist (pTHX_ CV *cv) |
287 | { |
363 | { |
288 | MAGIC *mg = CORO_MAGIC (cv); |
364 | MAGIC *mg = CORO_MAGIC (cv); |
289 | AV *av; |
365 | AV *av; |
290 | |
366 | |
291 | if (!mg) |
367 | if (!mg) |
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… | |
302 | av_extend (av, AvMAX (av) + 1); |
378 | av_extend (av, AvMAX (av) + 1); |
303 | |
379 | |
304 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
380 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
305 | } |
381 | } |
306 | |
382 | |
307 | #define SB do { |
383 | /** load & save, init *******************************************************/ |
308 | #define SE } while (0) |
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309 | |
384 | |
310 | #define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE |
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311 | |
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312 | static void |
385 | static void |
313 | load_perl (Coro__State c) |
386 | load_perl (pTHX_ Coro__State c) |
314 | { |
387 | { |
315 | #define VAR(name,type) PL_ ## name = c->name; |
388 | #define VAR(name,type) PL_ ## name = c->name; |
316 | # include "state.h" |
389 | # include "state.h" |
317 | #undef VAR |
390 | #undef VAR |
318 | |
391 | |
319 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
392 | GvSV (PL_defgv) = c->defsv; |
320 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
393 | GvAV (PL_defgv) = c->defav; |
321 | if (c->errsv) REPLACE_SV (ERRSV , c->errsv); |
394 | GvSV (PL_errgv) = c->errsv; |
322 | if (c->irssv) |
395 | GvSV (irsgv) = c->irssv_sv; |
323 | { |
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324 | if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv)) |
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325 | SvREFCNT_dec (c->irssv); |
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326 | else |
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327 | { |
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328 | REPLACE_SV (PL_rs, c->irssv); |
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329 | if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0); |
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330 | sv_setsv (c->irssv_sv, PL_rs); |
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331 | } |
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332 | } |
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333 | |
396 | |
334 | { |
397 | { |
335 | dSP; |
398 | dSP; |
336 | CV *cv; |
399 | CV *cv; |
337 | |
400 | |
338 | /* now do the ugly restore mess */ |
401 | /* now do the ugly restore mess */ |
339 | while ((cv = (CV *)POPs)) |
402 | while ((cv = (CV *)POPs)) |
340 | { |
403 | { |
341 | put_padlist (cv); /* mark this padlist as available */ |
404 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
342 | CvDEPTH (cv) = PTR2IV (POPs); |
405 | CvDEPTH (cv) = PTR2IV (POPs); |
343 | CvPADLIST (cv) = (AV *)POPs; |
406 | CvPADLIST (cv) = (AV *)POPs; |
344 | } |
407 | } |
345 | |
408 | |
346 | PUTBACK; |
409 | PUTBACK; |
347 | } |
410 | } |
348 | } |
411 | } |
349 | |
412 | |
350 | static void |
413 | static void |
351 | save_perl (Coro__State c) |
414 | save_perl (pTHX_ Coro__State c) |
352 | { |
415 | { |
353 | { |
416 | { |
354 | dSP; |
417 | dSP; |
355 | I32 cxix = cxstack_ix; |
418 | I32 cxix = cxstack_ix; |
356 | PERL_CONTEXT *ccstk = cxstack; |
419 | PERL_CONTEXT *ccstk = cxstack; |
… | |
… | |
359 | /* |
422 | /* |
360 | * the worst thing you can imagine happens first - we have to save |
423 | * the worst thing you can imagine happens first - we have to save |
361 | * (and reinitialize) all cv's in the whole callchain :( |
424 | * (and reinitialize) all cv's in the whole callchain :( |
362 | */ |
425 | */ |
363 | |
426 | |
364 | EXTEND (SP, 3 + 1); |
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365 | PUSHs (Nullsv); |
427 | XPUSHs (Nullsv); |
366 | /* this loop was inspired by pp_caller */ |
428 | /* this loop was inspired by pp_caller */ |
367 | for (;;) |
429 | for (;;) |
368 | { |
430 | { |
369 | while (cxix >= 0) |
431 | while (cxix >= 0) |
370 | { |
432 | { |
371 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
433 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
372 | |
434 | |
373 | if (CxTYPE (cx) == CXt_SUB) |
435 | if (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT) |
374 | { |
436 | { |
375 | CV *cv = cx->blk_sub.cv; |
437 | CV *cv = cx->blk_sub.cv; |
376 | |
438 | |
377 | if (CvDEPTH (cv)) |
439 | if (CvDEPTH (cv)) |
378 | { |
440 | { |
… | |
… | |
380 | PUSHs ((SV *)CvPADLIST (cv)); |
442 | PUSHs ((SV *)CvPADLIST (cv)); |
381 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
443 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
382 | PUSHs ((SV *)cv); |
444 | PUSHs ((SV *)cv); |
383 | |
445 | |
384 | CvDEPTH (cv) = 0; |
446 | CvDEPTH (cv) = 0; |
385 | get_padlist (cv); |
447 | get_padlist (aTHX_ cv); |
386 | } |
448 | } |
387 | } |
449 | } |
388 | } |
450 | } |
389 | |
451 | |
390 | if (top_si->si_type == PERLSI_MAIN) |
452 | if (top_si->si_type == PERLSI_MAIN) |
391 | break; |
453 | break; |
392 | |
454 | |
393 | top_si = top_si->si_prev; |
455 | top_si = top_si->si_prev; |
394 | ccstk = top_si->si_cxstack; |
456 | ccstk = top_si->si_cxstack; |
395 | cxix = top_si->si_cxix; |
457 | cxix = top_si->si_cxix; |
396 | } |
458 | } |
397 | |
459 | |
398 | PUTBACK; |
460 | PUTBACK; |
399 | } |
461 | } |
400 | |
462 | |
401 | c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; |
463 | c->defav = GvAV (PL_defgv); |
402 | c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; |
464 | c->defsv = DEFSV; |
403 | c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; |
465 | c->errsv = ERRSV; |
404 | c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; |
466 | c->irssv_sv = GvSV (irsgv); |
405 | |
467 | |
406 | #define VAR(name,type)c->name = PL_ ## name; |
468 | #define VAR(name,type)c->name = PL_ ## name; |
407 | # include "state.h" |
469 | # include "state.h" |
408 | #undef VAR |
470 | #undef VAR |
409 | } |
471 | } |
… | |
… | |
412 | * allocate various perl stacks. This is an exact copy |
474 | * allocate various perl stacks. This is an exact copy |
413 | * of perl.c:init_stacks, except that it uses less memory |
475 | * of perl.c:init_stacks, except that it uses less memory |
414 | * on the (sometimes correct) assumption that coroutines do |
476 | * on the (sometimes correct) assumption that coroutines do |
415 | * not usually need a lot of stackspace. |
477 | * not usually need a lot of stackspace. |
416 | */ |
478 | */ |
417 | #if PREFER_PERL_FUNCTIONS |
479 | #if CORO_PREFER_PERL_FUNCTIONS |
418 | # define coro_init_stacks init_stacks |
480 | # define coro_init_stacks init_stacks |
419 | #else |
481 | #else |
420 | static void |
482 | static void |
421 | coro_init_stacks () |
483 | coro_init_stacks (pTHX) |
422 | { |
484 | { |
423 | PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT)); |
485 | PL_curstackinfo = new_stackinfo(64, 6); |
424 | PL_curstackinfo->si_type = PERLSI_MAIN; |
486 | PL_curstackinfo->si_type = PERLSI_MAIN; |
425 | PL_curstack = PL_curstackinfo->si_stack; |
487 | PL_curstack = PL_curstackinfo->si_stack; |
426 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
488 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
427 | |
489 | |
428 | PL_stack_base = AvARRAY(PL_curstack); |
490 | PL_stack_base = AvARRAY(PL_curstack); |
429 | PL_stack_sp = PL_stack_base; |
491 | PL_stack_sp = PL_stack_base; |
430 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
492 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
431 | |
493 | |
432 | New(50,PL_tmps_stack,128,SV*); |
494 | New(50,PL_tmps_stack,64,SV*); |
433 | PL_tmps_floor = -1; |
495 | PL_tmps_floor = -1; |
434 | PL_tmps_ix = -1; |
496 | PL_tmps_ix = -1; |
435 | PL_tmps_max = 128; |
497 | PL_tmps_max = 64; |
436 | |
498 | |
437 | New(54,PL_markstack,32,I32); |
499 | New(54,PL_markstack,16,I32); |
438 | PL_markstack_ptr = PL_markstack; |
500 | PL_markstack_ptr = PL_markstack; |
439 | PL_markstack_max = PL_markstack + 32; |
501 | PL_markstack_max = PL_markstack + 16; |
440 | |
502 | |
441 | #ifdef SET_MARK_OFFSET |
503 | #ifdef SET_MARK_OFFSET |
442 | SET_MARK_OFFSET; |
504 | SET_MARK_OFFSET; |
443 | #endif |
505 | #endif |
444 | |
506 | |
445 | New(54,PL_scopestack,32,I32); |
507 | New(54,PL_scopestack,16,I32); |
446 | PL_scopestack_ix = 0; |
508 | PL_scopestack_ix = 0; |
447 | PL_scopestack_max = 32; |
509 | PL_scopestack_max = 16; |
448 | |
510 | |
449 | New(54,PL_savestack,64,ANY); |
511 | New(54,PL_savestack,64,ANY); |
450 | PL_savestack_ix = 0; |
512 | PL_savestack_ix = 0; |
451 | PL_savestack_max = 64; |
513 | PL_savestack_max = 64; |
452 | |
514 | |
453 | #if !PERL_VERSION_ATLEAST (5,9,0) |
515 | #if !PERL_VERSION_ATLEAST (5,9,0) |
454 | New(54,PL_retstack,16,OP*); |
516 | New(54,PL_retstack,4,OP*); |
455 | PL_retstack_ix = 0; |
517 | PL_retstack_ix = 0; |
456 | PL_retstack_max = 16; |
518 | PL_retstack_max = 4; |
457 | #endif |
519 | #endif |
458 | } |
520 | } |
459 | #endif |
521 | #endif |
460 | |
522 | |
461 | /* |
523 | /* |
462 | * destroy the stacks, the callchain etc... |
524 | * destroy the stacks, the callchain etc... |
463 | */ |
525 | */ |
464 | static void |
526 | static void |
465 | coro_destroy_stacks () |
527 | coro_destroy_stacks (pTHX) |
466 | { |
528 | { |
467 | if (!IN_DESTRUCT) |
|
|
468 | { |
|
|
469 | /* restore all saved variables and stuff */ |
|
|
470 | LEAVE_SCOPE (0); |
|
|
471 | assert (PL_tmps_floor == -1); |
|
|
472 | |
|
|
473 | /* free all temporaries */ |
|
|
474 | FREETMPS; |
|
|
475 | assert (PL_tmps_ix == -1); |
|
|
476 | |
|
|
477 | /* unwind all extra stacks */ |
|
|
478 | POPSTACK_TO (PL_mainstack); |
|
|
479 | |
|
|
480 | /* unwind main stack */ |
|
|
481 | dounwind (-1); |
|
|
482 | } |
|
|
483 | |
|
|
484 | while (PL_curstackinfo->si_next) |
529 | while (PL_curstackinfo->si_next) |
485 | PL_curstackinfo = PL_curstackinfo->si_next; |
530 | PL_curstackinfo = PL_curstackinfo->si_next; |
486 | |
531 | |
487 | while (PL_curstackinfo) |
532 | while (PL_curstackinfo) |
488 | { |
533 | { |
… | |
… | |
503 | #if !PERL_VERSION_ATLEAST (5,9,0) |
548 | #if !PERL_VERSION_ATLEAST (5,9,0) |
504 | Safefree (PL_retstack); |
549 | Safefree (PL_retstack); |
505 | #endif |
550 | #endif |
506 | } |
551 | } |
507 | |
552 | |
508 | static void |
553 | static size_t |
509 | setup_coro (struct coro *coro) |
554 | coro_rss (pTHX_ struct coro *coro) |
|
|
555 | { |
|
|
556 | size_t rss = sizeof (*coro); |
|
|
557 | |
|
|
558 | if (coro->mainstack) |
|
|
559 | { |
|
|
560 | if (coro->flags & CF_RUNNING) |
|
|
561 | { |
|
|
562 | #define VAR(name,type)coro->name = PL_ ## name; |
|
|
563 | # include "state.h" |
|
|
564 | #undef VAR |
|
|
565 | } |
|
|
566 | |
|
|
567 | rss += sizeof (coro->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); |
|
|
570 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
|
|
571 | rss += coro->tmps_max * sizeof (SV *); |
|
|
572 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
|
|
573 | rss += coro->scopestack_max * sizeof (I32); |
|
|
574 | rss += coro->savestack_max * sizeof (ANY); |
|
|
575 | |
|
|
576 | #if !PERL_VERSION_ATLEAST (5,9,0) |
|
|
577 | rss += coro->retstack_max * sizeof (OP *); |
|
|
578 | #endif |
|
|
579 | } |
|
|
580 | |
|
|
581 | return rss; |
|
|
582 | } |
|
|
583 | |
|
|
584 | /** coroutine stack handling ************************************************/ |
|
|
585 | |
|
|
586 | static void |
|
|
587 | coro_setup (pTHX_ struct coro *coro) |
510 | { |
588 | { |
511 | /* |
589 | /* |
512 | * emulate part of the perl startup here. |
590 | * emulate part of the perl startup here. |
513 | */ |
591 | */ |
514 | |
|
|
515 | coro_init_stacks (); |
592 | coro_init_stacks (aTHX); |
516 | |
593 | |
|
|
594 | PL_runops = RUNOPS_DEFAULT; |
517 | PL_curcop = &PL_compiling; |
595 | PL_curcop = &PL_compiling; |
518 | PL_in_eval = EVAL_NULL; |
596 | PL_in_eval = EVAL_NULL; |
|
|
597 | PL_comppad = 0; |
519 | PL_curpm = 0; |
598 | PL_curpm = 0; |
520 | PL_localizing = 0; |
599 | PL_localizing = 0; |
521 | PL_dirty = 0; |
600 | PL_dirty = 0; |
522 | PL_restartop = 0; |
601 | PL_restartop = 0; |
|
|
602 | |
|
|
603 | GvSV (PL_defgv) = NEWSV (0, 0); |
|
|
604 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
605 | GvSV (PL_errgv) = NEWSV (0, 0); |
|
|
606 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
607 | PL_rs = newSVsv (GvSV (irsgv)); |
|
|
608 | |
|
|
609 | SvREFCNT_inc (PL_defoutgv); |
523 | |
610 | |
524 | { |
611 | { |
525 | dSP; |
612 | dSP; |
526 | LOGOP myop; |
613 | LOGOP myop; |
527 | |
614 | |
528 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
529 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
530 | |
|
|
531 | Zero (&myop, 1, LOGOP); |
615 | Zero (&myop, 1, LOGOP); |
532 | myop.op_next = Nullop; |
616 | myop.op_next = Nullop; |
533 | myop.op_flags = OPf_WANT_VOID; |
617 | myop.op_flags = OPf_WANT_VOID; |
534 | |
618 | |
535 | PUSHMARK (SP); |
619 | PUSHMARK (SP); |
536 | XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE)); |
620 | XPUSHs (av_shift (GvAV (PL_defgv))); |
537 | PUTBACK; |
621 | PUTBACK; |
538 | PL_op = (OP *)&myop; |
622 | PL_op = (OP *)&myop; |
539 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
623 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
540 | SPAGAIN; |
624 | SPAGAIN; |
541 | } |
625 | } |
542 | |
626 | |
543 | ENTER; /* necessary e.g. for dounwind */ |
627 | ENTER; /* necessary e.g. for dounwind */ |
544 | } |
628 | } |
545 | |
629 | |
546 | static void |
630 | static void |
|
|
631 | coro_destroy (pTHX_ struct coro *coro) |
|
|
632 | { |
|
|
633 | if (!IN_DESTRUCT) |
|
|
634 | { |
|
|
635 | /* restore all saved variables and stuff */ |
|
|
636 | LEAVE_SCOPE (0); |
|
|
637 | assert (PL_tmps_floor == -1); |
|
|
638 | |
|
|
639 | /* free all temporaries */ |
|
|
640 | FREETMPS; |
|
|
641 | assert (PL_tmps_ix == -1); |
|
|
642 | |
|
|
643 | /* unwind all extra stacks */ |
|
|
644 | POPSTACK_TO (PL_mainstack); |
|
|
645 | |
|
|
646 | /* unwind main stack */ |
|
|
647 | dounwind (-1); |
|
|
648 | } |
|
|
649 | |
|
|
650 | SvREFCNT_dec (GvSV (PL_defgv)); |
|
|
651 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
652 | SvREFCNT_dec (GvSV (PL_errgv)); |
|
|
653 | SvREFCNT_dec (PL_defoutgv); |
|
|
654 | SvREFCNT_dec (PL_rs); |
|
|
655 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
656 | |
|
|
657 | SvREFCNT_dec (coro->saved_deffh); |
|
|
658 | //SvREFCNT_dec (coro->throw); |
|
|
659 | |
|
|
660 | coro_destroy_stacks (aTHX); |
|
|
661 | } |
|
|
662 | |
|
|
663 | static void |
547 | free_coro_mortal () |
664 | free_coro_mortal (pTHX) |
548 | { |
665 | { |
549 | if (coro_mortal) |
666 | if (coro_mortal) |
550 | { |
667 | { |
551 | SvREFCNT_dec (coro_mortal); |
668 | SvREFCNT_dec (coro_mortal); |
552 | coro_mortal = 0; |
669 | coro_mortal = 0; |
553 | } |
670 | } |
554 | } |
671 | } |
555 | |
672 | |
|
|
673 | static int |
|
|
674 | runops_trace (pTHX) |
|
|
675 | { |
|
|
676 | COP *oldcop = 0; |
|
|
677 | int oldcxix = -2; |
|
|
678 | struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */ |
|
|
679 | coro_cctx *cctx = coro->cctx; |
|
|
680 | |
|
|
681 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
|
|
682 | { |
|
|
683 | PERL_ASYNC_CHECK (); |
|
|
684 | |
|
|
685 | if (cctx->flags & CC_TRACE_ALL) |
|
|
686 | { |
|
|
687 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
|
|
688 | { |
|
|
689 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
690 | SV **bot, **top; |
|
|
691 | AV *av = newAV (); /* return values */ |
|
|
692 | SV **cb; |
|
|
693 | dSP; |
|
|
694 | |
|
|
695 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
696 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
697 | if (isGV (gv)) |
|
|
698 | gv_efullname3 (fullname, gv, 0); |
|
|
699 | |
|
|
700 | bot = PL_stack_base + cx->blk_oldsp + 1; |
|
|
701 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
|
|
702 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
|
|
703 | : bot; |
|
|
704 | |
|
|
705 | while (bot < top) |
|
|
706 | av_push (av, SvREFCNT_inc (*bot++)); |
|
|
707 | |
|
|
708 | PL_runops = RUNOPS_DEFAULT; |
|
|
709 | ENTER; |
|
|
710 | SAVETMPS; |
|
|
711 | EXTEND (SP, 3); |
|
|
712 | PUSHMARK (SP); |
|
|
713 | PUSHs (&PL_sv_no); |
|
|
714 | PUSHs (fullname); |
|
|
715 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
716 | PUTBACK; |
|
|
717 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
718 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
719 | SPAGAIN; |
|
|
720 | FREETMPS; |
|
|
721 | LEAVE; |
|
|
722 | PL_runops = runops_trace; |
|
|
723 | } |
|
|
724 | |
|
|
725 | if (oldcop != PL_curcop) |
|
|
726 | { |
|
|
727 | oldcop = PL_curcop; |
|
|
728 | |
|
|
729 | if (PL_curcop != &PL_compiling) |
|
|
730 | { |
|
|
731 | SV **cb; |
|
|
732 | |
|
|
733 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
|
|
734 | { |
|
|
735 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
736 | |
|
|
737 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
|
|
738 | { |
|
|
739 | runops_proc_t old_runops = PL_runops; |
|
|
740 | dSP; |
|
|
741 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
742 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
743 | |
|
|
744 | if (isGV (gv)) |
|
|
745 | gv_efullname3 (fullname, gv, 0); |
|
|
746 | |
|
|
747 | PL_runops = RUNOPS_DEFAULT; |
|
|
748 | ENTER; |
|
|
749 | SAVETMPS; |
|
|
750 | EXTEND (SP, 3); |
|
|
751 | PUSHMARK (SP); |
|
|
752 | PUSHs (&PL_sv_yes); |
|
|
753 | PUSHs (fullname); |
|
|
754 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
|
|
755 | PUTBACK; |
|
|
756 | 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); |
|
|
758 | SPAGAIN; |
|
|
759 | FREETMPS; |
|
|
760 | LEAVE; |
|
|
761 | PL_runops = runops_trace; |
|
|
762 | } |
|
|
763 | |
|
|
764 | oldcxix = cxstack_ix; |
|
|
765 | } |
|
|
766 | |
|
|
767 | if (cctx->flags & CC_TRACE_LINE) |
|
|
768 | { |
|
|
769 | dSP; |
|
|
770 | |
|
|
771 | PL_runops = RUNOPS_DEFAULT; |
|
|
772 | ENTER; |
|
|
773 | SAVETMPS; |
|
|
774 | EXTEND (SP, 3); |
|
|
775 | PL_runops = RUNOPS_DEFAULT; |
|
|
776 | PUSHMARK (SP); |
|
|
777 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
|
|
778 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
|
|
779 | PUTBACK; |
|
|
780 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
|
|
781 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
782 | SPAGAIN; |
|
|
783 | FREETMPS; |
|
|
784 | LEAVE; |
|
|
785 | PL_runops = runops_trace; |
|
|
786 | } |
|
|
787 | } |
|
|
788 | } |
|
|
789 | } |
|
|
790 | } |
|
|
791 | |
|
|
792 | TAINT_NOT; |
|
|
793 | return 0; |
|
|
794 | } |
|
|
795 | |
556 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
796 | /* 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 */ |
|
|
798 | /* during execution of a perl program */ |
557 | static void NOINLINE |
799 | static void NOINLINE |
558 | prepare_cctx (coro_cctx *cctx) |
800 | prepare_cctx (pTHX_ coro_cctx *cctx) |
559 | { |
801 | { |
560 | dSP; |
802 | dSP; |
561 | LOGOP myop; |
803 | LOGOP myop; |
|
|
804 | |
|
|
805 | PL_top_env = &PL_start_env; |
|
|
806 | |
|
|
807 | if (cctx->flags & CC_TRACE) |
|
|
808 | PL_runops = runops_trace; |
562 | |
809 | |
563 | Zero (&myop, 1, LOGOP); |
810 | Zero (&myop, 1, LOGOP); |
564 | myop.op_next = PL_op; |
811 | myop.op_next = PL_op; |
565 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
812 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
566 | |
813 | |
… | |
… | |
572 | PL_op = (OP *)&myop; |
819 | PL_op = (OP *)&myop; |
573 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
820 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
574 | SPAGAIN; |
821 | SPAGAIN; |
575 | } |
822 | } |
576 | |
823 | |
|
|
824 | /* |
|
|
825 | * this is a _very_ stripped down perl interpreter ;) |
|
|
826 | */ |
577 | static void |
827 | static void |
578 | coro_run (void *arg) |
828 | coro_run (void *arg) |
579 | { |
829 | { |
|
|
830 | dTHX; |
|
|
831 | |
580 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
832 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
581 | UNLOCK; |
833 | UNLOCK; |
582 | |
834 | |
583 | /* |
835 | /* we now skip the entersub that lead to transfer() */ |
584 | * this is a _very_ stripped down perl interpreter ;) |
836 | PL_op = PL_op->op_next; |
585 | */ |
|
|
586 | PL_top_env = &PL_start_env; |
|
|
587 | |
837 | |
588 | /* inject call to cctx_init */ |
838 | /* inject a fake subroutine call to cctx_init */ |
589 | prepare_cctx ((coro_cctx *)arg); |
839 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
590 | |
840 | |
591 | /* somebody will hit me for both perl_run and PL_restartop */ |
841 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
592 | PL_restartop = PL_op; |
842 | PL_restartop = PL_op; |
593 | perl_run (PL_curinterp); |
843 | perl_run (PL_curinterp); |
594 | |
844 | |
595 | fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr); |
845 | /* |
596 | abort (); |
846 | * If perl-run returns we assume exit() was being called or the coro |
|
|
847 | * fell off the end, which seems to be the only valid (non-bug) |
|
|
848 | * reason for perl_run to return. We try to exit by jumping to the |
|
|
849 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
|
|
850 | * coroutine as Coro has no such concept |
|
|
851 | */ |
|
|
852 | PL_top_env = main_top_env; |
|
|
853 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
597 | } |
854 | } |
598 | |
855 | |
599 | static coro_cctx * |
856 | static coro_cctx * |
600 | cctx_new () |
857 | cctx_new () |
601 | { |
858 | { |
602 | coro_cctx *cctx; |
859 | coro_cctx *cctx; |
|
|
860 | void *stack_start; |
|
|
861 | size_t stack_size; |
603 | |
862 | |
604 | ++cctx_count; |
863 | ++cctx_count; |
605 | |
864 | |
606 | Newz (0, cctx, 1, coro_cctx); |
865 | Newz (0, cctx, 1, coro_cctx); |
607 | |
866 | |
608 | #if HAVE_MMAP |
867 | #if HAVE_MMAP |
609 | |
868 | |
610 | cctx->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE; |
869 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
611 | /* mmap supposedly does allocate-on-write for us */ |
870 | /* mmap supposedly does allocate-on-write for us */ |
612 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
871 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
613 | |
872 | |
614 | if (cctx->sptr == (void *)-1) |
873 | if (cctx->sptr != (void *)-1) |
615 | { |
|
|
616 | perror ("FATAL: unable to mmap stack for coroutine"); |
|
|
617 | _exit (EXIT_FAILURE); |
|
|
618 | } |
874 | { |
619 | |
|
|
620 | # if STACKGUARD |
875 | # if CORO_STACKGUARD |
621 | mprotect (cctx->sptr, STACKGUARD * PAGESIZE, PROT_NONE); |
876 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
622 | # endif |
877 | # endif |
|
|
878 | stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
|
|
879 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
880 | cctx->flags |= CC_MAPPED; |
|
|
881 | } |
|
|
882 | else |
|
|
883 | #endif |
|
|
884 | { |
|
|
885 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
|
|
886 | New (0, cctx->sptr, coro_stacksize, long); |
623 | |
887 | |
624 | #else |
|
|
625 | |
|
|
626 | cctx->ssize = STACKSIZE * (long)sizeof (long); |
|
|
627 | New (0, cctx->sptr, STACKSIZE, long); |
|
|
628 | |
|
|
629 | if (!cctx->sptr) |
888 | if (!cctx->sptr) |
630 | { |
889 | { |
631 | perror ("FATAL: unable to malloc stack for coroutine"); |
890 | perror ("FATAL: unable to allocate stack for coroutine"); |
632 | _exit (EXIT_FAILURE); |
891 | _exit (EXIT_FAILURE); |
633 | } |
892 | } |
634 | |
893 | |
635 | #endif |
894 | stack_start = cctx->sptr; |
|
|
895 | stack_size = cctx->ssize; |
|
|
896 | } |
636 | |
897 | |
637 | #if USE_VALGRIND |
898 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
638 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ( |
|
|
639 | STACKGUARD * PAGESIZE + (char *)cctx->sptr, |
|
|
640 | cctx->ssize + (char *)cctx->sptr |
|
|
641 | ); |
|
|
642 | #endif |
|
|
643 | |
|
|
644 | coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, cctx->ssize); |
899 | coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size); |
645 | |
900 | |
646 | return cctx; |
901 | return cctx; |
647 | } |
902 | } |
648 | |
903 | |
649 | static void |
904 | static void |
… | |
… | |
652 | if (!cctx) |
907 | if (!cctx) |
653 | return; |
908 | return; |
654 | |
909 | |
655 | --cctx_count; |
910 | --cctx_count; |
656 | |
911 | |
657 | #if USE_VALGRIND |
912 | #if CORO_USE_VALGRIND |
658 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
913 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
659 | #endif |
914 | #endif |
660 | |
915 | |
661 | #if HAVE_MMAP |
916 | #if HAVE_MMAP |
|
|
917 | if (cctx->flags & CC_MAPPED) |
662 | munmap (cctx->sptr, cctx->ssize); |
918 | munmap (cctx->sptr, cctx->ssize); |
663 | #else |
919 | else |
|
|
920 | #endif |
664 | Safefree (cctx->sptr); |
921 | Safefree (cctx->sptr); |
665 | #endif |
|
|
666 | |
922 | |
667 | Safefree (cctx); |
923 | Safefree (cctx); |
668 | } |
924 | } |
669 | |
925 | |
670 | static coro_cctx * |
926 | static coro_cctx * |
671 | cctx_get () |
927 | cctx_get (pTHX) |
672 | { |
928 | { |
673 | coro_cctx *cctx; |
|
|
674 | |
|
|
675 | if (cctx_first) |
929 | while (cctx_first) |
676 | { |
930 | { |
677 | cctx = cctx_first; |
931 | coro_cctx *cctx = cctx_first; |
678 | cctx_first = cctx->next; |
932 | cctx_first = cctx->next; |
679 | --cctx_idle; |
933 | --cctx_idle; |
680 | } |
934 | |
681 | else |
935 | if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE)) |
682 | { |
936 | return cctx; |
683 | cctx = cctx_new (); |
937 | |
684 | PL_op = PL_op->op_next; |
938 | cctx_destroy (cctx); |
685 | } |
939 | } |
686 | |
940 | |
687 | return cctx; |
941 | return cctx_new (); |
688 | } |
942 | } |
689 | |
943 | |
690 | static void |
944 | static void |
691 | cctx_put (coro_cctx *cctx) |
945 | cctx_put (coro_cctx *cctx) |
692 | { |
946 | { |
… | |
… | |
695 | { |
949 | { |
696 | coro_cctx *first = cctx_first; |
950 | coro_cctx *first = cctx_first; |
697 | cctx_first = first->next; |
951 | cctx_first = first->next; |
698 | --cctx_idle; |
952 | --cctx_idle; |
699 | |
953 | |
700 | assert (!first->inuse); |
|
|
701 | cctx_destroy (first); |
954 | cctx_destroy (first); |
702 | } |
955 | } |
703 | |
956 | |
704 | ++cctx_idle; |
957 | ++cctx_idle; |
705 | cctx->next = cctx_first; |
958 | cctx->next = cctx_first; |
706 | cctx_first = cctx; |
959 | cctx_first = cctx; |
707 | } |
960 | } |
708 | |
961 | |
709 | /* never call directly, always through the coro_state_transfer global variable */ |
962 | /** coroutine switching *****************************************************/ |
|
|
963 | |
710 | static void NOINLINE |
964 | static void NOINLINE |
|
|
965 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
|
|
966 | { |
|
|
967 | if (prev != next) |
|
|
968 | { |
|
|
969 | if (!(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"); |
|
|
971 | |
|
|
972 | if (next->flags & CF_RUNNING) |
|
|
973 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
974 | |
|
|
975 | if (next->flags & CF_DESTROYED) |
|
|
976 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
977 | |
|
|
978 | if (PL_lex_state != LEX_NOTPARSING) |
|
|
979 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
|
|
980 | } |
|
|
981 | } |
|
|
982 | |
|
|
983 | /* always use the TRANSFER macro */ |
|
|
984 | static void NOINLINE |
711 | transfer (struct coro *prev, struct coro *next) |
985 | transfer (pTHX_ struct coro *prev, struct coro *next) |
712 | { |
986 | { |
713 | dSTACKLEVEL; |
987 | dSTACKLEVEL; |
714 | |
988 | |
715 | /* sometimes transfer is only called to set idle_sp */ |
989 | /* sometimes transfer is only called to set idle_sp */ |
716 | if (!next) |
990 | if (!next) |
… | |
… | |
724 | |
998 | |
725 | if (prev->flags & CF_NEW) |
999 | if (prev->flags & CF_NEW) |
726 | { |
1000 | { |
727 | /* create a new empty context */ |
1001 | /* create a new empty context */ |
728 | Newz (0, prev->cctx, 1, coro_cctx); |
1002 | Newz (0, prev->cctx, 1, coro_cctx); |
729 | prev->cctx->inuse = 1; |
|
|
730 | prev->flags &= ~CF_NEW; |
1003 | prev->flags &= ~CF_NEW; |
731 | prev->flags |= CF_RUNNING; |
1004 | prev->flags |= CF_RUNNING; |
732 | } |
1005 | } |
733 | |
|
|
734 | /*TODO: must not croak here */ |
|
|
735 | if (!prev->flags & CF_RUNNING) |
|
|
736 | croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states"); |
|
|
737 | |
|
|
738 | if (next->flags & CF_RUNNING) |
|
|
739 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
740 | |
|
|
741 | if (next->flags & CF_DESTROYED) |
|
|
742 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
743 | |
1006 | |
744 | prev->flags &= ~CF_RUNNING; |
1007 | prev->flags &= ~CF_RUNNING; |
745 | next->flags |= CF_RUNNING; |
1008 | next->flags |= CF_RUNNING; |
746 | |
1009 | |
747 | LOCK; |
1010 | LOCK; |
… | |
… | |
749 | if (next->flags & CF_NEW) |
1012 | if (next->flags & CF_NEW) |
750 | { |
1013 | { |
751 | /* need to start coroutine */ |
1014 | /* need to start coroutine */ |
752 | next->flags &= ~CF_NEW; |
1015 | next->flags &= ~CF_NEW; |
753 | /* first get rid of the old state */ |
1016 | /* first get rid of the old state */ |
754 | save_perl (prev); |
1017 | save_perl (aTHX_ prev); |
755 | /* setup coroutine call */ |
1018 | /* setup coroutine call */ |
756 | setup_coro (next); |
1019 | coro_setup (aTHX_ next); |
757 | /* need a new stack */ |
|
|
758 | assert (!next->cctx); |
|
|
759 | } |
1020 | } |
760 | else |
1021 | else |
761 | { |
1022 | { |
762 | /* coroutine already started */ |
1023 | /* coroutine already started */ |
763 | save_perl (prev); |
1024 | save_perl (aTHX_ prev); |
764 | load_perl (next); |
1025 | load_perl (aTHX_ next); |
765 | } |
1026 | } |
766 | |
1027 | |
767 | prev__cctx = prev->cctx; |
1028 | prev__cctx = prev->cctx; |
768 | |
1029 | |
769 | /* possibly "free" the cctx */ |
1030 | /* possibly "free" the cctx */ |
770 | if (prev__cctx->idle_sp == STACKLEVEL) |
1031 | if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)) |
771 | { |
1032 | { |
772 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1033 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
773 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1034 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
774 | |
1035 | |
775 | prev->cctx = 0; |
1036 | prev->cctx = 0; |
776 | |
1037 | |
777 | cctx_put (prev__cctx); |
1038 | cctx_put (prev__cctx); |
778 | prev__cctx->inuse = 0; |
|
|
779 | } |
1039 | } |
780 | |
1040 | |
|
|
1041 | ++next->usecount; |
|
|
1042 | |
781 | if (!next->cctx) |
1043 | if (!next->cctx) |
782 | { |
|
|
783 | next->cctx = cctx_get (); |
1044 | next->cctx = cctx_get (aTHX); |
784 | assert (!next->cctx->inuse); |
|
|
785 | next->cctx->inuse = 1; |
|
|
786 | } |
|
|
787 | |
1045 | |
788 | if (prev__cctx != next->cctx) |
1046 | if (prev__cctx != next->cctx) |
789 | { |
1047 | { |
790 | prev__cctx->top_env = PL_top_env; |
1048 | prev__cctx->top_env = PL_top_env; |
791 | PL_top_env = next->cctx->top_env; |
1049 | PL_top_env = next->cctx->top_env; |
792 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1050 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
793 | } |
1051 | } |
794 | |
1052 | |
795 | free_coro_mortal (); |
1053 | free_coro_mortal (aTHX); |
796 | UNLOCK; |
1054 | UNLOCK; |
797 | } |
1055 | } |
798 | } |
1056 | } |
799 | |
1057 | |
800 | struct transfer_args |
1058 | struct transfer_args |
801 | { |
1059 | { |
802 | struct coro *prev, *next; |
1060 | struct coro *prev, *next; |
803 | }; |
1061 | }; |
804 | |
1062 | |
805 | #define TRANSFER(ta) transfer ((ta).prev, (ta).next) |
1063 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
|
|
1064 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
|
|
1065 | |
|
|
1066 | /** high level stuff ********************************************************/ |
806 | |
1067 | |
807 | static int |
1068 | static int |
808 | coro_state_destroy (struct coro *coro) |
1069 | coro_state_destroy (pTHX_ struct coro *coro) |
809 | { |
1070 | { |
810 | if (coro->flags & CF_DESTROYED) |
1071 | if (coro->flags & CF_DESTROYED) |
811 | return 0; |
1072 | return 0; |
812 | |
1073 | |
813 | coro->flags |= CF_DESTROYED; |
1074 | coro->flags |= CF_DESTROYED; |
|
|
1075 | |
|
|
1076 | if (coro->flags & CF_READY) |
|
|
1077 | { |
|
|
1078 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
|
|
1079 | /* alternative: look through all ready queues and remove the coro */ |
|
|
1080 | LOCK; |
|
|
1081 | --coro_nready; |
|
|
1082 | UNLOCK; |
|
|
1083 | } |
|
|
1084 | else |
|
|
1085 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
814 | |
1086 | |
815 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1087 | if (coro->mainstack && coro->mainstack != main_mainstack) |
816 | { |
1088 | { |
817 | assert (!(coro->flags & CF_RUNNING)); |
|
|
818 | |
|
|
819 | struct coro temp; |
1089 | struct coro temp; |
820 | Zero (&temp, 1, struct coro); |
|
|
821 | temp.save = CORO_SAVE_ALL; |
|
|
822 | |
1090 | |
823 | if (coro->flags & CF_RUNNING) |
1091 | if (coro->flags & CF_RUNNING) |
824 | croak ("FATAL: tried to destroy currently running coroutine"); |
1092 | croak ("FATAL: tried to destroy currently running coroutine"); |
825 | |
1093 | |
826 | save_perl (&temp); |
1094 | save_perl (aTHX_ &temp); |
827 | load_perl (coro); |
1095 | load_perl (aTHX_ coro); |
828 | |
1096 | |
829 | coro_destroy_stacks (); |
1097 | coro_destroy (aTHX_ coro); |
830 | |
1098 | |
831 | load_perl (&temp); /* this will get rid of defsv etc.. */ |
1099 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
832 | |
1100 | |
833 | coro->mainstack = 0; |
1101 | coro->mainstack = 0; |
834 | } |
1102 | } |
835 | |
1103 | |
836 | cctx_destroy (coro->cctx); |
1104 | cctx_destroy (coro->cctx); |
837 | SvREFCNT_dec (coro->args); |
1105 | SvREFCNT_dec (coro->args); |
838 | |
1106 | |
|
|
1107 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1108 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1109 | if (coro == coro_first) coro_first = coro->next; |
|
|
1110 | |
839 | return 1; |
1111 | return 1; |
840 | } |
1112 | } |
841 | |
1113 | |
842 | static int |
1114 | static int |
843 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1115 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
844 | { |
1116 | { |
845 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1117 | struct coro *coro = (struct coro *)mg->mg_ptr; |
846 | mg->mg_ptr = 0; |
1118 | mg->mg_ptr = 0; |
847 | |
1119 | |
|
|
1120 | coro->hv = 0; |
|
|
1121 | |
848 | if (--coro->refcnt < 0) |
1122 | if (--coro->refcnt < 0) |
849 | { |
1123 | { |
850 | coro_state_destroy (coro); |
1124 | coro_state_destroy (aTHX_ coro); |
851 | Safefree (coro); |
1125 | Safefree (coro); |
852 | } |
1126 | } |
853 | |
1127 | |
854 | return 0; |
1128 | return 0; |
855 | } |
1129 | } |
… | |
… | |
873 | #else |
1147 | #else |
874 | # define MGf_DUP 0 |
1148 | # define MGf_DUP 0 |
875 | #endif |
1149 | #endif |
876 | }; |
1150 | }; |
877 | |
1151 | |
878 | static struct coro * |
|
|
879 | SvSTATE (SV *coro) |
|
|
880 | { |
|
|
881 | HV *stash; |
|
|
882 | MAGIC *mg; |
|
|
883 | |
|
|
884 | if (SvROK (coro)) |
|
|
885 | coro = SvRV (coro); |
|
|
886 | |
|
|
887 | stash = SvSTASH (coro); |
|
|
888 | if (stash != coro_stash && stash != coro_state_stash) |
|
|
889 | { |
|
|
890 | /* very slow, but rare, check */ |
|
|
891 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
892 | croak ("Coro::State object required"); |
|
|
893 | } |
|
|
894 | |
|
|
895 | mg = SvMAGIC (coro); |
|
|
896 | assert (mg->mg_type == PERL_MAGIC_ext); |
|
|
897 | return (struct coro *)mg->mg_ptr; |
|
|
898 | } |
|
|
899 | |
|
|
900 | static void |
1152 | static void |
901 | prepare_transfer (struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1153 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
902 | { |
1154 | { |
903 | ta->prev = SvSTATE (prev_sv); |
1155 | ta->prev = SvSTATE (prev_sv); |
904 | ta->next = SvSTATE (next_sv); |
1156 | ta->next = SvSTATE (next_sv); |
|
|
1157 | TRANSFER_CHECK (*ta); |
905 | } |
1158 | } |
906 | |
1159 | |
907 | static void |
1160 | static void |
908 | api_transfer (SV *prev_sv, SV *next_sv) |
1161 | api_transfer (SV *prev_sv, SV *next_sv) |
909 | { |
1162 | { |
|
|
1163 | dTHX; |
910 | struct transfer_args ta; |
1164 | struct transfer_args ta; |
911 | |
1165 | |
912 | prepare_transfer (&ta, prev_sv, next_sv); |
1166 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
913 | TRANSFER (ta); |
1167 | TRANSFER (ta); |
914 | } |
1168 | } |
915 | |
1169 | |
916 | static int |
|
|
917 | api_save (SV *coro_sv, int new_save) |
|
|
918 | { |
|
|
919 | struct coro *coro = SvSTATE (coro_sv); |
|
|
920 | int old_save = coro->save; |
|
|
921 | |
|
|
922 | if (new_save >= 0) |
|
|
923 | coro->save = new_save; |
|
|
924 | |
|
|
925 | return old_save; |
|
|
926 | } |
|
|
927 | |
|
|
928 | /** Coro ********************************************************************/ |
1170 | /** Coro ********************************************************************/ |
929 | |
1171 | |
930 | #define PRIO_MAX 3 |
|
|
931 | #define PRIO_HIGH 1 |
|
|
932 | #define PRIO_NORMAL 0 |
|
|
933 | #define PRIO_LOW -1 |
|
|
934 | #define PRIO_IDLE -3 |
|
|
935 | #define PRIO_MIN -4 |
|
|
936 | |
|
|
937 | /* for Coro.pm */ |
|
|
938 | static SV *coro_current; |
|
|
939 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
|
|
940 | static int coro_nready; |
|
|
941 | |
|
|
942 | static void |
1172 | static void |
943 | coro_enq (SV *coro_sv) |
1173 | coro_enq (pTHX_ SV *coro_sv) |
944 | { |
1174 | { |
945 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1175 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
946 | coro_nready++; |
|
|
947 | } |
1176 | } |
948 | |
1177 | |
949 | static SV * |
1178 | static SV * |
950 | coro_deq (int min_prio) |
1179 | coro_deq (pTHX_ int min_prio) |
951 | { |
1180 | { |
952 | int prio = PRIO_MAX - PRIO_MIN; |
1181 | int prio = PRIO_MAX - PRIO_MIN; |
953 | |
1182 | |
954 | min_prio -= PRIO_MIN; |
1183 | min_prio -= PRIO_MIN; |
955 | if (min_prio < 0) |
1184 | if (min_prio < 0) |
956 | min_prio = 0; |
1185 | min_prio = 0; |
957 | |
1186 | |
958 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) |
1187 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) |
959 | if (AvFILLp (coro_ready [prio]) >= 0) |
1188 | if (AvFILLp (coro_ready [prio]) >= 0) |
960 | { |
|
|
961 | coro_nready--; |
|
|
962 | return av_shift (coro_ready [prio]); |
1189 | return av_shift (coro_ready [prio]); |
963 | } |
|
|
964 | |
1190 | |
965 | return 0; |
1191 | return 0; |
966 | } |
1192 | } |
967 | |
1193 | |
968 | static int |
1194 | static int |
969 | api_ready (SV *coro_sv) |
1195 | api_ready (SV *coro_sv) |
970 | { |
1196 | { |
|
|
1197 | dTHX; |
971 | struct coro *coro; |
1198 | struct coro *coro; |
972 | |
1199 | |
973 | if (SvROK (coro_sv)) |
1200 | if (SvROK (coro_sv)) |
974 | coro_sv = SvRV (coro_sv); |
1201 | coro_sv = SvRV (coro_sv); |
975 | |
1202 | |
… | |
… | |
979 | return 0; |
1206 | return 0; |
980 | |
1207 | |
981 | coro->flags |= CF_READY; |
1208 | coro->flags |= CF_READY; |
982 | |
1209 | |
983 | LOCK; |
1210 | LOCK; |
984 | coro_enq (SvREFCNT_inc (coro_sv)); |
1211 | coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); |
|
|
1212 | ++coro_nready; |
985 | UNLOCK; |
1213 | UNLOCK; |
986 | |
1214 | |
987 | return 1; |
1215 | return 1; |
988 | } |
1216 | } |
989 | |
1217 | |
990 | static int |
1218 | static int |
991 | api_is_ready (SV *coro_sv) |
1219 | api_is_ready (SV *coro_sv) |
992 | { |
1220 | { |
|
|
1221 | dTHX; |
993 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1222 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
994 | } |
1223 | } |
995 | |
1224 | |
996 | static void |
1225 | static void |
997 | prepare_schedule (struct transfer_args *ta) |
1226 | prepare_schedule (pTHX_ struct transfer_args *ta) |
998 | { |
1227 | { |
999 | SV *prev_sv, *next_sv; |
1228 | SV *prev_sv, *next_sv; |
1000 | |
1229 | |
1001 | for (;;) |
1230 | for (;;) |
1002 | { |
1231 | { |
1003 | LOCK; |
1232 | LOCK; |
1004 | next_sv = coro_deq (PRIO_MIN); |
1233 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1005 | UNLOCK; |
|
|
1006 | |
1234 | |
1007 | /* nothing to schedule: call the idle handler */ |
1235 | /* nothing to schedule: call the idle handler */ |
1008 | if (!next_sv) |
1236 | if (!next_sv) |
1009 | { |
1237 | { |
1010 | dSP; |
1238 | dSP; |
|
|
1239 | UNLOCK; |
1011 | |
1240 | |
1012 | ENTER; |
1241 | ENTER; |
1013 | SAVETMPS; |
1242 | SAVETMPS; |
1014 | |
1243 | |
1015 | PUSHMARK (SP); |
1244 | PUSHMARK (SP); |
… | |
… | |
1024 | ta->next = SvSTATE (next_sv); |
1253 | ta->next = SvSTATE (next_sv); |
1025 | |
1254 | |
1026 | /* cannot transfer to destroyed coros, skip and look for next */ |
1255 | /* cannot transfer to destroyed coros, skip and look for next */ |
1027 | if (ta->next->flags & CF_DESTROYED) |
1256 | if (ta->next->flags & CF_DESTROYED) |
1028 | { |
1257 | { |
|
|
1258 | UNLOCK; |
1029 | SvREFCNT_dec (next_sv); |
1259 | SvREFCNT_dec (next_sv); |
|
|
1260 | /* coro_nready is already taken care of by destroy */ |
1030 | continue; |
1261 | continue; |
1031 | } |
1262 | } |
1032 | |
1263 | |
|
|
1264 | --coro_nready; |
|
|
1265 | UNLOCK; |
1033 | break; |
1266 | break; |
1034 | } |
1267 | } |
1035 | |
1268 | |
1036 | /* free this only after the transfer */ |
1269 | /* free this only after the transfer */ |
1037 | prev_sv = SvRV (coro_current); |
1270 | prev_sv = SvRV (coro_current); |
1038 | SvRV_set (coro_current, next_sv); |
|
|
1039 | ta->prev = SvSTATE (prev_sv); |
1271 | ta->prev = SvSTATE (prev_sv); |
1040 | |
1272 | TRANSFER_CHECK (*ta); |
1041 | assert (ta->next->flags & CF_READY); |
1273 | assert (ta->next->flags & CF_READY); |
1042 | ta->next->flags &= ~CF_READY; |
1274 | ta->next->flags &= ~CF_READY; |
|
|
1275 | SvRV_set (coro_current, next_sv); |
1043 | |
1276 | |
1044 | LOCK; |
1277 | LOCK; |
1045 | free_coro_mortal (); |
1278 | free_coro_mortal (aTHX); |
1046 | coro_mortal = prev_sv; |
1279 | coro_mortal = prev_sv; |
1047 | UNLOCK; |
1280 | UNLOCK; |
1048 | } |
1281 | } |
1049 | |
1282 | |
1050 | static void |
1283 | static void |
1051 | prepare_cede (struct transfer_args *ta) |
1284 | prepare_cede (pTHX_ struct transfer_args *ta) |
1052 | { |
1285 | { |
1053 | api_ready (coro_current); |
1286 | api_ready (coro_current); |
1054 | prepare_schedule (ta); |
1287 | prepare_schedule (aTHX_ ta); |
1055 | } |
1288 | } |
1056 | |
1289 | |
1057 | static int |
1290 | static int |
1058 | prepare_cede_notself (struct transfer_args *ta) |
1291 | prepare_cede_notself (pTHX_ struct transfer_args *ta) |
1059 | { |
1292 | { |
1060 | if (coro_nready) |
1293 | if (coro_nready) |
1061 | { |
1294 | { |
1062 | SV *prev = SvRV (coro_current); |
1295 | SV *prev = SvRV (coro_current); |
1063 | prepare_schedule (ta); |
1296 | prepare_schedule (aTHX_ ta); |
1064 | api_ready (prev); |
1297 | api_ready (prev); |
1065 | return 1; |
1298 | return 1; |
1066 | } |
1299 | } |
1067 | else |
1300 | else |
1068 | return 0; |
1301 | return 0; |
1069 | } |
1302 | } |
1070 | |
1303 | |
1071 | static void |
1304 | static void |
1072 | api_schedule (void) |
1305 | api_schedule (void) |
1073 | { |
1306 | { |
|
|
1307 | dTHX; |
1074 | struct transfer_args ta; |
1308 | struct transfer_args ta; |
1075 | |
1309 | |
1076 | prepare_schedule (&ta); |
1310 | prepare_schedule (aTHX_ &ta); |
1077 | TRANSFER (ta); |
1311 | TRANSFER (ta); |
1078 | } |
1312 | } |
1079 | |
1313 | |
1080 | static int |
1314 | static int |
1081 | api_cede (void) |
1315 | api_cede (void) |
1082 | { |
1316 | { |
|
|
1317 | dTHX; |
1083 | struct transfer_args ta; |
1318 | struct transfer_args ta; |
1084 | |
1319 | |
1085 | prepare_cede (&ta); |
1320 | prepare_cede (aTHX_ &ta); |
1086 | |
1321 | |
1087 | if (ta.prev != ta.next) |
1322 | if (ta.prev != ta.next) |
1088 | { |
1323 | { |
1089 | TRANSFER (ta); |
1324 | TRANSFER (ta); |
1090 | return 1; |
1325 | return 1; |
… | |
… | |
1094 | } |
1329 | } |
1095 | |
1330 | |
1096 | static int |
1331 | static int |
1097 | api_cede_notself (void) |
1332 | api_cede_notself (void) |
1098 | { |
1333 | { |
|
|
1334 | dTHX; |
1099 | struct transfer_args ta; |
1335 | struct transfer_args ta; |
1100 | |
1336 | |
1101 | if (prepare_cede_notself (&ta)) |
1337 | if (prepare_cede_notself (aTHX_ &ta)) |
1102 | { |
1338 | { |
1103 | TRANSFER (ta); |
1339 | TRANSFER (ta); |
1104 | return 1; |
1340 | return 1; |
1105 | } |
1341 | } |
1106 | else |
1342 | else |
1107 | return 0; |
1343 | return 0; |
1108 | } |
1344 | } |
1109 | |
1345 | |
|
|
1346 | static void |
|
|
1347 | api_trace (SV *coro_sv, int flags) |
|
|
1348 | { |
|
|
1349 | dTHX; |
|
|
1350 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1351 | |
|
|
1352 | if (flags & CC_TRACE) |
|
|
1353 | { |
|
|
1354 | if (!coro->cctx) |
|
|
1355 | coro->cctx = cctx_new (); |
|
|
1356 | else if (!(coro->cctx->flags & CC_TRACE)) |
|
|
1357 | croak ("cannot enable tracing on coroutine with custom stack"); |
|
|
1358 | |
|
|
1359 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
|
|
1360 | } |
|
|
1361 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
|
|
1362 | { |
|
|
1363 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
|
|
1364 | |
|
|
1365 | if (coro->flags & CF_RUNNING) |
|
|
1366 | PL_runops = RUNOPS_DEFAULT; |
|
|
1367 | else |
|
|
1368 | coro->runops = RUNOPS_DEFAULT; |
|
|
1369 | } |
|
|
1370 | } |
|
|
1371 | |
1110 | MODULE = Coro::State PACKAGE = Coro::State |
1372 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1111 | |
1373 | |
1112 | PROTOTYPES: DISABLE |
1374 | PROTOTYPES: DISABLE |
1113 | |
1375 | |
1114 | BOOT: |
1376 | BOOT: |
1115 | { |
1377 | { |
1116 | #ifdef USE_ITHREADS |
1378 | #ifdef USE_ITHREADS |
1117 | MUTEX_INIT (&coro_mutex); |
1379 | MUTEX_INIT (&coro_mutex); |
1118 | #endif |
1380 | #endif |
1119 | BOOT_PAGESIZE; |
1381 | BOOT_PAGESIZE; |
1120 | |
1382 | |
|
|
1383 | irsgv = gv_fetchpv ("/", 1, SVt_PV); |
|
|
1384 | |
1121 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1385 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1122 | |
1386 | |
|
|
1387 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
|
|
1388 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1123 | newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); |
1389 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
1124 | newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); |
|
|
1125 | newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); |
|
|
1126 | newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); |
|
|
1127 | newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); |
1390 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
1128 | |
1391 | |
1129 | main_mainstack = PL_mainstack; |
1392 | main_mainstack = PL_mainstack; |
|
|
1393 | main_top_env = PL_top_env; |
|
|
1394 | |
|
|
1395 | while (main_top_env->je_prev) |
|
|
1396 | main_top_env = main_top_env->je_prev; |
1130 | |
1397 | |
1131 | coroapi.ver = CORO_API_VERSION; |
1398 | coroapi.ver = CORO_API_VERSION; |
1132 | coroapi.transfer = api_transfer; |
1399 | coroapi.transfer = api_transfer; |
1133 | |
1400 | |
1134 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1401 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
… | |
… | |
1141 | struct coro *coro; |
1408 | struct coro *coro; |
1142 | HV *hv; |
1409 | HV *hv; |
1143 | int i; |
1410 | int i; |
1144 | |
1411 | |
1145 | Newz (0, coro, 1, struct coro); |
1412 | Newz (0, coro, 1, struct coro); |
1146 | coro->args = newAV (); |
1413 | coro->args = newAV (); |
1147 | coro->save = CORO_SAVE_ALL; |
|
|
1148 | coro->flags = CF_NEW; |
1414 | coro->flags = CF_NEW; |
1149 | |
1415 | |
|
|
1416 | if (coro_first) coro_first->prev = coro; |
|
|
1417 | coro->next = coro_first; |
|
|
1418 | coro_first = coro; |
|
|
1419 | |
1150 | hv = newHV (); |
1420 | coro->hv = hv = newHV (); |
1151 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1421 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1152 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1422 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1153 | |
1423 | |
1154 | for (i = 1; i < items; i++) |
1424 | for (i = 1; i < items; i++) |
1155 | av_push (coro->args, newSVsv (ST (i))); |
1425 | av_push (coro->args, newSVsv (ST (i))); |
1156 | } |
1426 | } |
1157 | OUTPUT: |
1427 | OUTPUT: |
1158 | RETVAL |
1428 | RETVAL |
1159 | |
1429 | |
1160 | int |
1430 | # these not obviously related functions are all rolled into the same xs |
1161 | save (SV *coro, int new_save = -1) |
1431 | # function to increase chances that they all will call transfer with the same |
1162 | CODE: |
1432 | # stack offset |
1163 | RETVAL = api_save (coro, new_save); |
|
|
1164 | OUTPUT: |
|
|
1165 | RETVAL |
|
|
1166 | |
|
|
1167 | void |
1433 | void |
1168 | _set_stacklevel (...) |
1434 | _set_stacklevel (...) |
1169 | ALIAS: |
1435 | ALIAS: |
1170 | Coro::State::transfer = 1 |
1436 | Coro::State::transfer = 1 |
1171 | Coro::schedule = 2 |
1437 | Coro::schedule = 2 |
… | |
… | |
1184 | |
1450 | |
1185 | case 1: |
1451 | case 1: |
1186 | if (items != 2) |
1452 | if (items != 2) |
1187 | croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); |
1453 | croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); |
1188 | |
1454 | |
1189 | prepare_transfer (&ta, ST (0), ST (1)); |
1455 | prepare_transfer (aTHX_ &ta, ST (0), ST (1)); |
1190 | break; |
1456 | break; |
1191 | |
1457 | |
1192 | case 2: |
1458 | case 2: |
1193 | prepare_schedule (&ta); |
1459 | prepare_schedule (aTHX_ &ta); |
1194 | break; |
1460 | break; |
1195 | |
1461 | |
1196 | case 3: |
1462 | case 3: |
1197 | prepare_cede (&ta); |
1463 | prepare_cede (aTHX_ &ta); |
1198 | break; |
1464 | break; |
1199 | |
1465 | |
1200 | case 4: |
1466 | case 4: |
1201 | if (!prepare_cede_notself (&ta)) |
1467 | if (!prepare_cede_notself (aTHX_ &ta)) |
1202 | XSRETURN_EMPTY; |
1468 | XSRETURN_EMPTY; |
1203 | |
1469 | |
1204 | break; |
1470 | break; |
1205 | } |
1471 | } |
1206 | |
1472 | |
… | |
… | |
1212 | } |
1478 | } |
1213 | |
1479 | |
1214 | bool |
1480 | bool |
1215 | _destroy (SV *coro_sv) |
1481 | _destroy (SV *coro_sv) |
1216 | CODE: |
1482 | CODE: |
1217 | RETVAL = coro_state_destroy (SvSTATE (coro_sv)); |
1483 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1218 | OUTPUT: |
1484 | OUTPUT: |
1219 | RETVAL |
1485 | RETVAL |
1220 | |
1486 | |
1221 | void |
1487 | void |
1222 | _exit (code) |
1488 | _exit (code) |
… | |
… | |
1224 | PROTOTYPE: $ |
1490 | PROTOTYPE: $ |
1225 | CODE: |
1491 | CODE: |
1226 | _exit (code); |
1492 | _exit (code); |
1227 | |
1493 | |
1228 | int |
1494 | int |
|
|
1495 | cctx_stacksize (int new_stacksize = 0) |
|
|
1496 | CODE: |
|
|
1497 | RETVAL = coro_stacksize; |
|
|
1498 | if (new_stacksize) |
|
|
1499 | coro_stacksize = new_stacksize; |
|
|
1500 | OUTPUT: |
|
|
1501 | RETVAL |
|
|
1502 | |
|
|
1503 | int |
1229 | cctx_count () |
1504 | cctx_count () |
1230 | CODE: |
1505 | CODE: |
1231 | RETVAL = cctx_count; |
1506 | RETVAL = cctx_count; |
1232 | OUTPUT: |
1507 | OUTPUT: |
1233 | RETVAL |
1508 | RETVAL |
… | |
… | |
1237 | CODE: |
1512 | CODE: |
1238 | RETVAL = cctx_idle; |
1513 | RETVAL = cctx_idle; |
1239 | OUTPUT: |
1514 | OUTPUT: |
1240 | RETVAL |
1515 | RETVAL |
1241 | |
1516 | |
|
|
1517 | void |
|
|
1518 | list () |
|
|
1519 | PPCODE: |
|
|
1520 | { |
|
|
1521 | struct coro *coro; |
|
|
1522 | for (coro = coro_first; coro; coro = coro->next) |
|
|
1523 | if (coro->hv) |
|
|
1524 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
|
|
1525 | } |
|
|
1526 | |
|
|
1527 | void |
|
|
1528 | call (Coro::State coro, SV *coderef) |
|
|
1529 | ALIAS: |
|
|
1530 | eval = 1 |
|
|
1531 | CODE: |
|
|
1532 | { |
|
|
1533 | if (coro->mainstack) |
|
|
1534 | { |
|
|
1535 | struct coro temp; |
|
|
1536 | Zero (&temp, 1, struct coro); |
|
|
1537 | |
|
|
1538 | if (!(coro->flags & CF_RUNNING)) |
|
|
1539 | { |
|
|
1540 | save_perl (aTHX_ &temp); |
|
|
1541 | load_perl (aTHX_ coro); |
|
|
1542 | } |
|
|
1543 | |
|
|
1544 | { |
|
|
1545 | dSP; |
|
|
1546 | ENTER; |
|
|
1547 | SAVETMPS; |
|
|
1548 | PUSHMARK (SP); |
|
|
1549 | PUTBACK; |
|
|
1550 | if (ix) |
|
|
1551 | eval_sv (coderef, 0); |
|
|
1552 | else |
|
|
1553 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
1554 | SPAGAIN; |
|
|
1555 | FREETMPS; |
|
|
1556 | LEAVE; |
|
|
1557 | PUTBACK; |
|
|
1558 | } |
|
|
1559 | |
|
|
1560 | if (!(coro->flags & CF_RUNNING)) |
|
|
1561 | { |
|
|
1562 | save_perl (aTHX_ coro); |
|
|
1563 | load_perl (aTHX_ &temp); |
|
|
1564 | } |
|
|
1565 | } |
|
|
1566 | } |
|
|
1567 | |
|
|
1568 | SV * |
|
|
1569 | is_ready (Coro::State coro) |
|
|
1570 | PROTOTYPE: $ |
|
|
1571 | ALIAS: |
|
|
1572 | is_ready = CF_READY |
|
|
1573 | is_running = CF_RUNNING |
|
|
1574 | is_new = CF_NEW |
|
|
1575 | is_destroyed = CF_DESTROYED |
|
|
1576 | CODE: |
|
|
1577 | RETVAL = boolSV (coro->flags & ix); |
|
|
1578 | OUTPUT: |
|
|
1579 | RETVAL |
|
|
1580 | |
|
|
1581 | void |
|
|
1582 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
|
|
1583 | |
|
|
1584 | SV * |
|
|
1585 | has_stack (Coro::State coro) |
|
|
1586 | PROTOTYPE: $ |
|
|
1587 | CODE: |
|
|
1588 | RETVAL = boolSV (!!coro->cctx); |
|
|
1589 | OUTPUT: |
|
|
1590 | RETVAL |
|
|
1591 | |
|
|
1592 | int |
|
|
1593 | is_traced (Coro::State coro) |
|
|
1594 | PROTOTYPE: $ |
|
|
1595 | CODE: |
|
|
1596 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
|
|
1597 | OUTPUT: |
|
|
1598 | RETVAL |
|
|
1599 | |
|
|
1600 | IV |
|
|
1601 | rss (Coro::State coro) |
|
|
1602 | PROTOTYPE: $ |
|
|
1603 | ALIAS: |
|
|
1604 | usecount = 1 |
|
|
1605 | CODE: |
|
|
1606 | switch (ix) |
|
|
1607 | { |
|
|
1608 | case 0: RETVAL = coro_rss (aTHX_ coro); break; |
|
|
1609 | case 1: RETVAL = coro->usecount; break; |
|
|
1610 | } |
|
|
1611 | OUTPUT: |
|
|
1612 | RETVAL |
|
|
1613 | |
|
|
1614 | |
1242 | MODULE = Coro::State PACKAGE = Coro |
1615 | MODULE = Coro::State PACKAGE = Coro |
1243 | |
1616 | |
1244 | BOOT: |
1617 | BOOT: |
1245 | { |
1618 | { |
1246 | int i; |
1619 | int i; |
|
|
1620 | |
|
|
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); |
|
|
1624 | |
|
|
1625 | coro_current = get_sv ("Coro::current", FALSE); |
|
|
1626 | SvREADONLY_on (coro_current); |
1247 | |
1627 | |
1248 | coro_stash = gv_stashpv ("Coro", TRUE); |
1628 | coro_stash = gv_stashpv ("Coro", TRUE); |
1249 | |
1629 | |
1250 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1630 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1251 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1631 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1252 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1632 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1253 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1633 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1254 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
1634 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
1255 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
1635 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
1256 | |
1636 | |
1257 | coro_current = get_sv ("Coro::current", FALSE); |
|
|
1258 | SvREADONLY_on (coro_current); |
|
|
1259 | |
|
|
1260 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1637 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1261 | coro_ready[i] = newAV (); |
1638 | coro_ready[i] = newAV (); |
1262 | |
1639 | |
1263 | { |
1640 | { |
1264 | SV *sv = perl_get_sv("Coro::API", 1); |
1641 | SV *sv = perl_get_sv("Coro::API", 1); |
1265 | |
1642 | |
1266 | coroapi.schedule = api_schedule; |
1643 | coroapi.schedule = api_schedule; |
1267 | coroapi.save = api_save; |
|
|
1268 | coroapi.cede = api_cede; |
1644 | coroapi.cede = api_cede; |
1269 | coroapi.cede_notself = api_cede_notself; |
1645 | coroapi.cede_notself = api_cede_notself; |
1270 | coroapi.ready = api_ready; |
1646 | coroapi.ready = api_ready; |
1271 | coroapi.is_ready = api_is_ready; |
1647 | coroapi.is_ready = api_is_ready; |
1272 | coroapi.nready = &coro_nready; |
1648 | coroapi.nready = &coro_nready; |
… | |
… | |
1313 | CODE: |
1689 | CODE: |
1314 | RETVAL = boolSV (api_ready (self)); |
1690 | RETVAL = boolSV (api_ready (self)); |
1315 | OUTPUT: |
1691 | OUTPUT: |
1316 | RETVAL |
1692 | RETVAL |
1317 | |
1693 | |
1318 | SV * |
|
|
1319 | is_ready (SV *self) |
|
|
1320 | PROTOTYPE: $ |
|
|
1321 | CODE: |
|
|
1322 | RETVAL = boolSV (api_is_ready (self)); |
|
|
1323 | OUTPUT: |
|
|
1324 | RETVAL |
|
|
1325 | |
|
|
1326 | int |
1694 | int |
1327 | nready (...) |
1695 | nready (...) |
1328 | PROTOTYPE: |
1696 | PROTOTYPE: |
1329 | CODE: |
1697 | CODE: |
1330 | RETVAL = coro_nready; |
1698 | RETVAL = coro_nready; |
1331 | OUTPUT: |
1699 | OUTPUT: |
1332 | RETVAL |
1700 | RETVAL |
1333 | |
1701 | |
|
|
1702 | # for async_pool speedup |
|
|
1703 | void |
|
|
1704 | _pool_1 (SV *cb) |
|
|
1705 | CODE: |
|
|
1706 | { |
|
|
1707 | struct coro *coro = SvSTATE (coro_current); |
|
|
1708 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1709 | AV *defav = GvAV (PL_defgv); |
|
|
1710 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
1711 | AV *invoke_av; |
|
|
1712 | int i, len; |
|
|
1713 | |
|
|
1714 | if (!invoke) |
|
|
1715 | croak ("\3terminate\2\n"); |
|
|
1716 | |
|
|
1717 | SvREFCNT_dec (coro->saved_deffh); |
|
|
1718 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
|
|
1719 | |
|
|
1720 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
1721 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
1722 | |
|
|
1723 | invoke_av = (AV *)SvRV (invoke); |
|
|
1724 | len = av_len (invoke_av); |
|
|
1725 | |
|
|
1726 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
1727 | |
|
|
1728 | if (len > 0) |
|
|
1729 | { |
|
|
1730 | av_fill (defav, len - 1); |
|
|
1731 | for (i = 0; i < len; ++i) |
|
|
1732 | av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); |
|
|
1733 | } |
|
|
1734 | |
|
|
1735 | SvREFCNT_dec (invoke); |
|
|
1736 | } |
|
|
1737 | |
|
|
1738 | void |
|
|
1739 | _pool_2 (SV *cb) |
|
|
1740 | CODE: |
|
|
1741 | { |
|
|
1742 | struct coro *coro = SvSTATE (coro_current); |
|
|
1743 | |
|
|
1744 | sv_setsv (cb, &PL_sv_undef); |
|
|
1745 | |
|
|
1746 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
1747 | coro->saved_deffh = 0; |
|
|
1748 | |
|
|
1749 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
|
|
1750 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1751 | croak ("\3terminate\2\n"); |
|
|
1752 | |
|
|
1753 | av_clear (GvAV (PL_defgv)); |
|
|
1754 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
|
|
1755 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
1756 | |
|
|
1757 | coro->prio = 0; |
|
|
1758 | |
|
|
1759 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
1760 | api_trace (coro_current, 0); |
|
|
1761 | |
|
|
1762 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
1763 | } |
|
|
1764 | |
|
|
1765 | |
1334 | MODULE = Coro::State PACKAGE = Coro::AIO |
1766 | MODULE = Coro::State PACKAGE = Coro::AIO |
1335 | |
1767 | |
1336 | SV * |
1768 | SV * |
1337 | _get_state () |
1769 | _get_state () |
1338 | CODE: |
1770 | CODE: |