… | |
… | |
7 | #include "patchlevel.h" |
7 | #include "patchlevel.h" |
8 | |
8 | |
9 | #if USE_VALGRIND |
9 | #if USE_VALGRIND |
10 | # include <valgrind/valgrind.h> |
10 | # include <valgrind/valgrind.h> |
11 | #endif |
11 | #endif |
|
|
12 | |
|
|
13 | /* the maximum number of idle cctx that will be pooled */ |
|
|
14 | #define MAX_IDLE_CCTX 8 |
12 | |
15 | |
13 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
16 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
14 | (PERL_REVISION > (a) \ |
17 | (PERL_REVISION > (a) \ |
15 | || (PERL_REVISION == (a) \ |
18 | || (PERL_REVISION == (a) \ |
16 | && (PERL_VERSION > (b) \ |
19 | && (PERL_VERSION > (b) \ |
… | |
… | |
62 | # ifndef PAGESIZE |
65 | # ifndef PAGESIZE |
63 | # define PAGESIZE pagesize |
66 | # define PAGESIZE pagesize |
64 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
67 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
65 | static long pagesize; |
68 | static long pagesize; |
66 | # else |
69 | # else |
67 | # define BOOT_PAGESIZE |
70 | # define BOOT_PAGESIZE (void)0 |
68 | # endif |
71 | # endif |
|
|
72 | #else |
|
|
73 | # define PAGESIZE 0 |
|
|
74 | # define BOOT_PAGESIZE (void)0 |
69 | #endif |
75 | #endif |
70 | |
76 | |
71 | /* The next macro should declare a variable stacklevel that contains and approximation |
77 | /* The next macro should declare a variable stacklevel that contains and approximation |
72 | * to the current C stack pointer. Its property is that it changes with each call |
78 | * to the current C stack pointer. Its property is that it changes with each call |
73 | * and should be unique. */ |
79 | * and should be unique. */ |
… | |
… | |
83 | #endif |
89 | #endif |
84 | |
90 | |
85 | #define NOINLINE attribute ((noinline)) |
91 | #define NOINLINE attribute ((noinline)) |
86 | |
92 | |
87 | #include "CoroAPI.h" |
93 | #include "CoroAPI.h" |
88 | |
|
|
89 | #define TRANSFER_SET_STACKLEVEL 0x8bfbfbfb /* magic cookie */ |
|
|
90 | |
94 | |
91 | #ifdef USE_ITHREADS |
95 | #ifdef USE_ITHREADS |
92 | static perl_mutex coro_mutex; |
96 | static perl_mutex coro_mutex; |
93 | # define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) |
97 | # define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) |
94 | # define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0) |
98 | # define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0) |
95 | #else |
99 | #else |
96 | # define LOCK (void)0 |
100 | # define LOCK (void)0 |
97 | # define UNLOCK (void)0 |
101 | # define UNLOCK (void)0 |
98 | #endif |
102 | #endif |
99 | |
103 | |
|
|
104 | struct io_state |
|
|
105 | { |
|
|
106 | int errorno; |
|
|
107 | I32 laststype; |
|
|
108 | int laststatval; |
|
|
109 | Stat_t statcache; |
|
|
110 | }; |
|
|
111 | |
100 | static struct CoroAPI coroapi; |
112 | static struct CoroAPI coroapi; |
101 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
113 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
102 | static HV *coro_state_stash, *coro_stash; |
114 | static HV *coro_state_stash, *coro_stash; |
103 | static SV *coro_mortal; /* will be freed after next transfer */ |
115 | static SV *coro_mortal; /* will be freed after next transfer */ |
104 | |
116 | |
|
|
117 | static struct coro_cctx *cctx_first; |
|
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118 | static int cctx_count, cctx_idle; |
|
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119 | |
105 | /* this is a structure representing a c-level coroutine */ |
120 | /* this is a structure representing a c-level coroutine */ |
106 | typedef struct coro_stack { |
121 | typedef struct coro_cctx { |
107 | struct coro_stack *next; |
122 | struct coro_cctx *next; |
108 | |
123 | |
109 | /* the stack */ |
124 | /* the stack */ |
110 | void *sptr; |
125 | void *sptr; |
111 | long ssize; /* positive == mmap, otherwise malloc */ |
126 | long ssize; /* positive == mmap, otherwise malloc */ |
112 | |
127 | |
113 | /* cpu state */ |
128 | /* cpu state */ |
114 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
129 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
115 | JMPENV *top_env; |
130 | JMPENV *top_env; |
116 | coro_context cctx; |
131 | coro_context cctx; |
117 | |
132 | |
|
|
133 | int inuse; |
|
|
134 | |
118 | #if USE_VALGRIND |
135 | #if USE_VALGRIND |
119 | int valgrind_id; |
136 | int valgrind_id; |
120 | #endif |
137 | #endif |
121 | } coro_stack; |
138 | } coro_cctx; |
|
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139 | |
|
|
140 | enum { |
|
|
141 | CF_RUNNING = 0x0001, /* coroutine is running */ |
|
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142 | CF_READY = 0x0002, /* coroutine is ready */ |
|
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143 | CF_NEW = 0x0004, /* ahs never been switched to */ |
|
|
144 | }; |
122 | |
145 | |
123 | /* this is a structure representing a perl-level coroutine */ |
146 | /* this is a structure representing a perl-level coroutine */ |
124 | struct coro { |
147 | struct coro { |
125 | /* the c coroutine allocated to this perl coroutine, if any */ |
148 | /* the c coroutine allocated to this perl coroutine, if any */ |
126 | coro_stack *stack; |
149 | coro_cctx *cctx; |
127 | |
150 | |
128 | /* data associated with this coroutine (initial args) */ |
151 | /* data associated with this coroutine (initial args) */ |
129 | AV *args; |
152 | AV *args; |
130 | int refcnt; |
153 | int refcnt; |
|
|
154 | int save; /* CORO_SAVE flags */ |
|
|
155 | int flags; /* CF_ flags */ |
131 | |
156 | |
132 | /* optionally saved, might be zero */ |
157 | /* optionally saved, might be zero */ |
133 | AV *defav; |
158 | AV *defav; /* @_ */ |
134 | SV *defsv; |
159 | SV *defsv; /* $_ */ |
135 | SV *errsv; |
160 | SV *errsv; /* $@ */ |
|
|
161 | SV *irssv; /* $/ */ |
|
|
162 | SV *irssv_sv; /* real $/ cache */ |
136 | |
163 | |
137 | /* saved global state not related to stacks */ |
164 | #define VAR(name,type) type name; |
138 | U8 dowarn; |
165 | # include "state.h" |
139 | I32 in_eval; |
166 | #undef VAR |
140 | |
|
|
141 | /* the stacks and related info (callchain etc..) */ |
|
|
142 | PERL_SI *curstackinfo; |
|
|
143 | AV *curstack; |
|
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144 | AV *mainstack; |
|
|
145 | SV **stack_sp; |
|
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146 | OP *op; |
|
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147 | SV **curpad; |
|
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148 | AV *comppad; |
|
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149 | CV *compcv; |
|
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150 | SV **stack_base; |
|
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151 | SV **stack_max; |
|
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152 | SV **tmps_stack; |
|
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153 | I32 tmps_floor; |
|
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154 | I32 tmps_ix; |
|
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155 | I32 tmps_max; |
|
|
156 | I32 *markstack; |
|
|
157 | I32 *markstack_ptr; |
|
|
158 | I32 *markstack_max; |
|
|
159 | I32 *scopestack; |
|
|
160 | I32 scopestack_ix; |
|
|
161 | I32 scopestack_max; |
|
|
162 | ANY *savestack; |
|
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163 | I32 savestack_ix; |
|
|
164 | I32 savestack_max; |
|
|
165 | OP **retstack; |
|
|
166 | I32 retstack_ix; |
|
|
167 | I32 retstack_max; |
|
|
168 | PMOP *curpm; |
|
|
169 | COP *curcop; |
|
|
170 | |
167 | |
171 | /* coro process data */ |
168 | /* coro process data */ |
172 | int prio; |
169 | int prio; |
173 | }; |
170 | }; |
174 | |
171 | |
… | |
… | |
238 | |
235 | |
239 | #define PERL_MAGIC_coro PERL_MAGIC_ext |
236 | #define PERL_MAGIC_coro PERL_MAGIC_ext |
240 | |
237 | |
241 | static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; |
238 | static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; |
242 | |
239 | |
|
|
240 | #define CORO_MAGIC(cv) \ |
|
|
241 | SvMAGIC (cv) \ |
|
|
242 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
|
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243 | ? SvMAGIC (cv) \ |
|
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244 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
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245 | : 0 |
|
|
246 | |
243 | /* the next two functions merely cache the padlists */ |
247 | /* the next two functions merely cache the padlists */ |
244 | static void |
248 | static void |
245 | get_padlist (CV *cv) |
249 | get_padlist (CV *cv) |
246 | { |
250 | { |
247 | MAGIC *mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
251 | MAGIC *mg = CORO_MAGIC (cv); |
|
|
252 | AV *av; |
248 | |
253 | |
249 | if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0) |
254 | if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) |
250 | CvPADLIST (cv) = (AV *)av_pop ((AV *)mg->mg_obj); |
255 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
251 | else |
256 | else |
252 | { |
257 | { |
253 | #if 0 |
258 | #if 0 |
254 | /* this is probably cleaner, but also slower? */ |
259 | /* this is probably cleaner, but also slower? */ |
255 | CV *cp = Perl_cv_clone (cv); |
260 | CV *cp = Perl_cv_clone (cv); |
… | |
… | |
263 | } |
268 | } |
264 | |
269 | |
265 | static void |
270 | static void |
266 | put_padlist (CV *cv) |
271 | put_padlist (CV *cv) |
267 | { |
272 | { |
268 | MAGIC *mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
273 | MAGIC *mg = CORO_MAGIC (cv); |
|
|
274 | AV *av; |
269 | |
275 | |
270 | if (!mg) |
276 | if (!mg) |
271 | { |
277 | { |
272 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
278 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
273 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
279 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
274 | mg->mg_virtual = &vtbl_coro; |
280 | mg->mg_virtual = &vtbl_coro; |
275 | mg->mg_obj = (SV *)newAV (); |
281 | mg->mg_obj = (SV *)newAV (); |
276 | } |
282 | } |
277 | |
283 | |
278 | av_push ((AV *)mg->mg_obj, (SV *)CvPADLIST (cv)); |
284 | av = (AV *)mg->mg_obj; |
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285 | |
|
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286 | if (AvFILLp (av) >= AvMAX (av)) |
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287 | av_extend (av, AvMAX (av) + 1); |
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288 | |
|
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289 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
279 | } |
290 | } |
280 | |
291 | |
281 | #define SB do { |
292 | #define SB do { |
282 | #define SE } while (0) |
293 | #define SE } while (0) |
283 | |
294 | |
284 | #define LOAD(state) load_state((state)); |
|
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285 | #define SAVE(state,flags) save_state((state),(flags)); |
|
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286 | |
|
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287 | #define REPLACE_SV(sv,val) SB SvREFCNT_dec(sv); (sv) = (val); (val) = 0; SE |
295 | #define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE |
288 | |
296 | |
289 | static void |
297 | static void |
290 | load_state(Coro__State c) |
298 | load_perl (Coro__State c) |
291 | { |
299 | { |
292 | PL_dowarn = c->dowarn; |
300 | #define VAR(name,type) PL_ ## name = c->name; |
293 | PL_in_eval = c->in_eval; |
301 | # include "state.h" |
294 | |
302 | #undef VAR |
295 | PL_curstackinfo = c->curstackinfo; |
|
|
296 | PL_curstack = c->curstack; |
|
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297 | PL_mainstack = c->mainstack; |
|
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298 | PL_stack_sp = c->stack_sp; |
|
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299 | PL_op = c->op; |
|
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300 | PL_curpad = c->curpad; |
|
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301 | PL_comppad = c->comppad; |
|
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302 | PL_compcv = c->compcv; |
|
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303 | PL_stack_base = c->stack_base; |
|
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304 | PL_stack_max = c->stack_max; |
|
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305 | PL_tmps_stack = c->tmps_stack; |
|
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306 | PL_tmps_floor = c->tmps_floor; |
|
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307 | PL_tmps_ix = c->tmps_ix; |
|
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308 | PL_tmps_max = c->tmps_max; |
|
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309 | PL_markstack = c->markstack; |
|
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310 | PL_markstack_ptr = c->markstack_ptr; |
|
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311 | PL_markstack_max = c->markstack_max; |
|
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312 | PL_scopestack = c->scopestack; |
|
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313 | PL_scopestack_ix = c->scopestack_ix; |
|
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314 | PL_scopestack_max = c->scopestack_max; |
|
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315 | PL_savestack = c->savestack; |
|
|
316 | PL_savestack_ix = c->savestack_ix; |
|
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317 | PL_savestack_max = c->savestack_max; |
|
|
318 | #if !PERL_VERSION_ATLEAST (5,9,0) |
|
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319 | PL_retstack = c->retstack; |
|
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320 | PL_retstack_ix = c->retstack_ix; |
|
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321 | PL_retstack_max = c->retstack_max; |
|
|
322 | #endif |
|
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323 | PL_curpm = c->curpm; |
|
|
324 | PL_curcop = c->curcop; |
|
|
325 | |
303 | |
326 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
304 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
327 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
305 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
328 | if (c->errsv) REPLACE_SV (ERRSV , c->errsv); |
306 | if (c->errsv) REPLACE_SV (ERRSV , c->errsv); |
|
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307 | if (c->irssv) |
|
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308 | { |
|
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309 | if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv)) |
|
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310 | SvREFCNT_dec (c->irssv); |
|
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311 | else |
|
|
312 | { |
|
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313 | REPLACE_SV (PL_rs, c->irssv); |
|
|
314 | if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0); |
|
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315 | sv_setsv (c->irssv_sv, PL_rs); |
|
|
316 | } |
|
|
317 | } |
329 | |
318 | |
330 | { |
319 | { |
331 | dSP; |
320 | dSP; |
332 | CV *cv; |
321 | CV *cv; |
333 | |
322 | |
334 | /* now do the ugly restore mess */ |
323 | /* now do the ugly restore mess */ |
335 | while ((cv = (CV *)POPs)) |
324 | while ((cv = (CV *)POPs)) |
336 | { |
325 | { |
337 | AV *padlist = (AV *)POPs; |
|
|
338 | |
|
|
339 | if (padlist) |
|
|
340 | { |
|
|
341 | put_padlist (cv); /* mark this padlist as available */ |
326 | put_padlist (cv); /* mark this padlist as available */ |
342 | CvPADLIST(cv) = padlist; |
327 | CvDEPTH (cv) = PTR2IV (POPs); |
343 | } |
328 | CvPADLIST (cv) = (AV *)POPs; |
344 | |
|
|
345 | ++CvDEPTH(cv); |
|
|
346 | } |
329 | } |
347 | |
330 | |
348 | PUTBACK; |
331 | PUTBACK; |
349 | } |
332 | } |
350 | } |
333 | } |
351 | |
334 | |
352 | static void |
335 | static void |
353 | save_state(Coro__State c, int flags) |
336 | save_perl (Coro__State c) |
354 | { |
337 | { |
355 | { |
338 | { |
356 | dSP; |
339 | dSP; |
357 | I32 cxix = cxstack_ix; |
340 | I32 cxix = cxstack_ix; |
358 | PERL_CONTEXT *ccstk = cxstack; |
341 | PERL_CONTEXT *ccstk = cxstack; |
… | |
… | |
369 | { |
352 | { |
370 | while (cxix >= 0) |
353 | while (cxix >= 0) |
371 | { |
354 | { |
372 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
355 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
373 | |
356 | |
374 | if (CxTYPE(cx) == CXt_SUB) |
357 | if (CxTYPE (cx) == CXt_SUB) |
375 | { |
358 | { |
376 | CV *cv = cx->blk_sub.cv; |
359 | CV *cv = cx->blk_sub.cv; |
|
|
360 | |
377 | if (CvDEPTH(cv)) |
361 | if (CvDEPTH (cv)) |
378 | { |
362 | { |
379 | EXTEND (SP, CvDEPTH(cv)*2); |
363 | EXTEND (SP, 3); |
380 | |
364 | |
381 | while (--CvDEPTH(cv)) |
|
|
382 | { |
|
|
383 | /* this tells the restore code to increment CvDEPTH */ |
|
|
384 | PUSHs (Nullsv); |
|
|
385 | PUSHs ((SV *)cv); |
|
|
386 | } |
|
|
387 | |
|
|
388 | PUSHs ((SV *)CvPADLIST(cv)); |
365 | PUSHs ((SV *)CvPADLIST (cv)); |
|
|
366 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
389 | PUSHs ((SV *)cv); |
367 | PUSHs ((SV *)cv); |
390 | |
368 | |
|
|
369 | CvDEPTH (cv) = 0; |
391 | get_padlist (cv); |
370 | get_padlist (cv); |
392 | } |
371 | } |
393 | } |
372 | } |
394 | #ifdef CXt_FORMAT |
373 | #ifdef CXt_FORMAT |
395 | else if (CxTYPE(cx) == CXt_FORMAT) |
374 | else if (CxTYPE (cx) == CXt_FORMAT) |
396 | { |
375 | { |
397 | /* I never used formats, so how should I know how these are implemented? */ |
376 | /* I never used formats, so how should I know how these are implemented? */ |
398 | /* my bold guess is as a simple, plain sub... */ |
377 | /* my bold guess is as a simple, plain sub... */ |
399 | croak ("CXt_FORMAT not yet handled. Don't switch coroutines from within formats"); |
378 | croak ("CXt_FORMAT not yet handled. Don't switch coroutines from within formats"); |
400 | } |
379 | } |
… | |
… | |
410 | } |
389 | } |
411 | |
390 | |
412 | PUTBACK; |
391 | PUTBACK; |
413 | } |
392 | } |
414 | |
393 | |
415 | c->defav = flags & TRANSFER_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; |
394 | c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; |
416 | c->defsv = flags & TRANSFER_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; |
395 | c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; |
417 | c->errsv = flags & TRANSFER_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; |
396 | c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; |
|
|
397 | c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; |
418 | |
398 | |
419 | c->dowarn = PL_dowarn; |
399 | #define VAR(name,type)c->name = PL_ ## name; |
420 | c->in_eval = PL_in_eval; |
400 | # include "state.h" |
421 | |
401 | #undef VAR |
422 | c->curstackinfo = PL_curstackinfo; |
|
|
423 | c->curstack = PL_curstack; |
|
|
424 | c->mainstack = PL_mainstack; |
|
|
425 | c->stack_sp = PL_stack_sp; |
|
|
426 | c->op = PL_op; |
|
|
427 | c->curpad = PL_curpad; |
|
|
428 | c->comppad = PL_comppad; |
|
|
429 | c->compcv = PL_compcv; |
|
|
430 | c->stack_base = PL_stack_base; |
|
|
431 | c->stack_max = PL_stack_max; |
|
|
432 | c->tmps_stack = PL_tmps_stack; |
|
|
433 | c->tmps_floor = PL_tmps_floor; |
|
|
434 | c->tmps_ix = PL_tmps_ix; |
|
|
435 | c->tmps_max = PL_tmps_max; |
|
|
436 | c->markstack = PL_markstack; |
|
|
437 | c->markstack_ptr = PL_markstack_ptr; |
|
|
438 | c->markstack_max = PL_markstack_max; |
|
|
439 | c->scopestack = PL_scopestack; |
|
|
440 | c->scopestack_ix = PL_scopestack_ix; |
|
|
441 | c->scopestack_max = PL_scopestack_max; |
|
|
442 | c->savestack = PL_savestack; |
|
|
443 | c->savestack_ix = PL_savestack_ix; |
|
|
444 | c->savestack_max = PL_savestack_max; |
|
|
445 | #if !PERL_VERSION_ATLEAST (5,9,0) |
|
|
446 | c->retstack = PL_retstack; |
|
|
447 | c->retstack_ix = PL_retstack_ix; |
|
|
448 | c->retstack_max = PL_retstack_max; |
|
|
449 | #endif |
|
|
450 | c->curpm = PL_curpm; |
|
|
451 | c->curcop = PL_curcop; |
|
|
452 | } |
402 | } |
453 | |
403 | |
454 | /* |
404 | /* |
455 | * allocate various perl stacks. This is an exact copy |
405 | * allocate various perl stacks. This is an exact copy |
456 | * of perl.c:init_stacks, except that it uses less memory |
406 | * of perl.c:init_stacks, except that it uses less memory |
… | |
… | |
458 | * not usually need a lot of stackspace. |
408 | * not usually need a lot of stackspace. |
459 | */ |
409 | */ |
460 | static void |
410 | static void |
461 | coro_init_stacks () |
411 | coro_init_stacks () |
462 | { |
412 | { |
463 | PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1); |
413 | PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT)); |
464 | PL_curstackinfo->si_type = PERLSI_MAIN; |
414 | PL_curstackinfo->si_type = PERLSI_MAIN; |
465 | PL_curstack = PL_curstackinfo->si_stack; |
415 | PL_curstack = PL_curstackinfo->si_stack; |
466 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
416 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
467 | |
417 | |
468 | PL_stack_base = AvARRAY(PL_curstack); |
418 | PL_stack_base = AvARRAY(PL_curstack); |
469 | PL_stack_sp = PL_stack_base; |
419 | PL_stack_sp = PL_stack_base; |
470 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
420 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
471 | |
421 | |
472 | New(50,PL_tmps_stack,96,SV*); |
422 | New(50,PL_tmps_stack,128,SV*); |
473 | PL_tmps_floor = -1; |
423 | PL_tmps_floor = -1; |
474 | PL_tmps_ix = -1; |
424 | PL_tmps_ix = -1; |
475 | PL_tmps_max = 96; |
425 | PL_tmps_max = 128; |
476 | |
426 | |
477 | New(54,PL_markstack,16,I32); |
427 | New(54,PL_markstack,32,I32); |
478 | PL_markstack_ptr = PL_markstack; |
428 | PL_markstack_ptr = PL_markstack; |
479 | PL_markstack_max = PL_markstack + 16; |
429 | PL_markstack_max = PL_markstack + 32; |
480 | |
430 | |
481 | #ifdef SET_MARK_OFFSET |
431 | #ifdef SET_MARK_OFFSET |
482 | SET_MARK_OFFSET; |
432 | SET_MARK_OFFSET; |
483 | #endif |
433 | #endif |
484 | |
434 | |
485 | New(54,PL_scopestack,16,I32); |
435 | New(54,PL_scopestack,32,I32); |
486 | PL_scopestack_ix = 0; |
436 | PL_scopestack_ix = 0; |
487 | PL_scopestack_max = 16; |
437 | PL_scopestack_max = 32; |
488 | |
438 | |
489 | New(54,PL_savestack,96,ANY); |
439 | New(54,PL_savestack,64,ANY); |
490 | PL_savestack_ix = 0; |
440 | PL_savestack_ix = 0; |
491 | PL_savestack_max = 96; |
441 | PL_savestack_max = 64; |
492 | |
442 | |
493 | #if !PERL_VERSION_ATLEAST (5,9,0) |
443 | #if !PERL_VERSION_ATLEAST (5,9,0) |
494 | New(54,PL_retstack,8,OP*); |
444 | New(54,PL_retstack,16,OP*); |
495 | PL_retstack_ix = 0; |
445 | PL_retstack_ix = 0; |
496 | PL_retstack_max = 8; |
446 | PL_retstack_max = 16; |
497 | #endif |
447 | #endif |
498 | } |
448 | } |
499 | |
449 | |
500 | /* |
450 | /* |
501 | * destroy the stacks, the callchain etc... |
451 | * destroy the stacks, the callchain etc... |
502 | */ |
452 | */ |
503 | static void |
453 | static void |
504 | coro_destroy_stacks() |
454 | coro_destroy_stacks () |
505 | { |
455 | { |
506 | if (!IN_DESTRUCT) |
456 | if (!IN_DESTRUCT) |
507 | { |
457 | { |
508 | /* is this ugly, I ask? */ |
458 | /* is this ugly, I ask? */ |
509 | LEAVE_SCOPE (0); |
459 | LEAVE_SCOPE (0); |
… | |
… | |
554 | * emulate part of the perl startup here. |
504 | * emulate part of the perl startup here. |
555 | */ |
505 | */ |
556 | |
506 | |
557 | coro_init_stacks (); |
507 | coro_init_stacks (); |
558 | |
508 | |
559 | PL_curcop = 0; |
509 | PL_curcop = &PL_compiling; |
560 | PL_in_eval = 0; |
510 | PL_in_eval = EVAL_NULL; |
561 | PL_curpm = 0; |
511 | PL_curpm = 0; |
|
|
512 | PL_localizing = 0; |
|
|
513 | PL_dirty = 0; |
|
|
514 | PL_restartop = 0; |
562 | |
515 | |
563 | { |
516 | { |
564 | dSP; |
517 | dSP; |
565 | LOGOP myop; |
518 | LOGOP myop; |
566 | |
519 | |
567 | /* I have no idea why this is needed, but it is */ |
|
|
568 | PUSHMARK (SP); |
|
|
569 | |
|
|
570 | SvREFCNT_dec (GvAV (PL_defgv)); |
520 | SvREFCNT_dec (GvAV (PL_defgv)); |
571 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
521 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
572 | |
522 | |
573 | Zero (&myop, 1, LOGOP); |
523 | Zero (&myop, 1, LOGOP); |
574 | myop.op_next = Nullop; |
524 | myop.op_next = Nullop; |
575 | myop.op_flags = OPf_WANT_VOID; |
525 | myop.op_flags = OPf_WANT_VOID; |
576 | |
526 | |
|
|
527 | PUSHMARK (SP); |
|
|
528 | XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE)); |
|
|
529 | PUTBACK; |
577 | PL_op = (OP *)&myop; |
530 | PL_op = (OP *)&myop; |
578 | |
|
|
579 | PUSHMARK (SP); |
|
|
580 | XPUSHs ((SV *)get_cv ("Coro::State::coro_init", FALSE)); |
|
|
581 | PUTBACK; |
|
|
582 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
531 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
583 | SPAGAIN; |
532 | SPAGAIN; |
584 | |
|
|
585 | ENTER; /* necessary e.g. for dounwind */ |
|
|
586 | } |
533 | } |
|
|
534 | |
|
|
535 | ENTER; /* necessary e.g. for dounwind */ |
587 | } |
536 | } |
588 | |
537 | |
589 | static void |
538 | static void |
590 | free_coro_mortal () |
539 | free_coro_mortal () |
591 | { |
540 | { |
… | |
… | |
594 | SvREFCNT_dec (coro_mortal); |
543 | SvREFCNT_dec (coro_mortal); |
595 | coro_mortal = 0; |
544 | coro_mortal = 0; |
596 | } |
545 | } |
597 | } |
546 | } |
598 | |
547 | |
|
|
548 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
599 | static void NOINLINE |
549 | static void NOINLINE |
600 | prepare_cctx (coro_stack *cctx) |
550 | prepare_cctx (coro_cctx *cctx) |
601 | { |
551 | { |
602 | dSP; |
552 | dSP; |
603 | LOGOP myop; |
553 | LOGOP myop; |
604 | |
554 | |
605 | Zero (&myop, 1, LOGOP); |
555 | Zero (&myop, 1, LOGOP); |
606 | myop.op_next = PL_op; |
556 | myop.op_next = PL_op; |
607 | myop.op_flags = OPf_WANT_VOID; |
557 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
608 | |
|
|
609 | sv_setiv (get_sv ("Coro::State::cctx_stack", FALSE), PTR2IV (cctx)); |
|
|
610 | |
558 | |
611 | PUSHMARK (SP); |
559 | PUSHMARK (SP); |
|
|
560 | EXTEND (SP, 2); |
|
|
561 | PUSHs (sv_2mortal (newSViv (PTR2IV (cctx)))); |
612 | XPUSHs ((SV *)get_cv ("Coro::State::cctx_init", FALSE)); |
562 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
613 | PUTBACK; |
563 | PUTBACK; |
|
|
564 | PL_op = (OP *)&myop; |
614 | PL_restartop = PL_ppaddr[OP_ENTERSUB](aTHX); |
565 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
615 | SPAGAIN; |
566 | SPAGAIN; |
616 | } |
567 | } |
617 | |
568 | |
618 | static void |
569 | static void |
619 | coro_run (void *arg) |
570 | coro_run (void *arg) |
620 | { |
571 | { |
621 | /* coro_run is the alternative epilogue of transfer() */ |
572 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
622 | UNLOCK; |
573 | UNLOCK; |
623 | |
574 | |
624 | /* |
575 | /* |
625 | * this is a _very_ stripped down perl interpreter ;) |
576 | * this is a _very_ stripped down perl interpreter ;) |
626 | */ |
577 | */ |
627 | PL_top_env = &PL_start_env; |
578 | PL_top_env = &PL_start_env; |
|
|
579 | |
628 | /* inject call to cctx_init */ |
580 | /* inject call to cctx_init */ |
629 | prepare_cctx ((coro_stack *)arg); |
581 | prepare_cctx ((coro_cctx *)arg); |
630 | |
582 | |
631 | /* somebody will hit me for both perl_run and PL_restartop */ |
583 | /* somebody will hit me for both perl_run and PL_restartop */ |
|
|
584 | PL_restartop = PL_op; |
632 | perl_run (PL_curinterp); |
585 | perl_run (PL_curinterp); |
633 | |
586 | |
634 | fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr); |
587 | fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr); |
635 | abort (); |
588 | abort (); |
636 | } |
589 | } |
637 | |
590 | |
638 | static coro_stack * |
591 | static coro_cctx * |
639 | stack_new () |
592 | cctx_new () |
640 | { |
593 | { |
641 | coro_stack *stack; |
594 | coro_cctx *cctx; |
642 | |
595 | |
|
|
596 | ++cctx_count; |
|
|
597 | |
643 | New (0, stack, 1, coro_stack); |
598 | New (0, cctx, 1, coro_cctx); |
644 | |
599 | |
645 | #if HAVE_MMAP |
600 | #if HAVE_MMAP |
646 | |
601 | |
647 | stack->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE; |
602 | cctx->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE; |
648 | /* mmap suppsedly does allocate-on-write for us */ |
603 | /* mmap supposedly does allocate-on-write for us */ |
649 | stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
604 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
650 | |
605 | |
651 | if (stack->sptr == (void *)-1) |
606 | if (cctx->sptr == (void *)-1) |
652 | { |
607 | { |
653 | perror ("FATAL: unable to mmap stack for coroutine"); |
608 | perror ("FATAL: unable to mmap stack for coroutine"); |
654 | _exit (EXIT_FAILURE); |
609 | _exit (EXIT_FAILURE); |
655 | } |
610 | } |
656 | |
611 | |
657 | # if STACKGUARD |
612 | # if STACKGUARD |
658 | mprotect (stack->sptr, STACKGUARD * PAGESIZE, PROT_NONE); |
613 | mprotect (cctx->sptr, STACKGUARD * PAGESIZE, PROT_NONE); |
659 | # endif |
614 | # endif |
660 | |
615 | |
661 | #else |
616 | #else |
662 | |
617 | |
663 | stack->ssize = STACKSIZE * (long)sizeof (long); |
618 | cctx->ssize = STACKSIZE * (long)sizeof (long); |
664 | New (0, stack->sptr, STACKSIZE, long); |
619 | New (0, cctx->sptr, STACKSIZE, long); |
665 | |
620 | |
666 | if (!stack->sptr) |
621 | if (!cctx->sptr) |
667 | { |
622 | { |
668 | perror (stderr, "FATAL: unable to malloc stack for coroutine"); |
623 | perror ("FATAL: unable to malloc stack for coroutine"); |
669 | _exit (EXIT_FAILURE); |
624 | _exit (EXIT_FAILURE); |
670 | } |
625 | } |
671 | |
626 | |
672 | #endif |
627 | #endif |
673 | |
628 | |
674 | #if USE_VALGRIND |
629 | #if USE_VALGRIND |
675 | stack->valgrind_id = VALGRIND_STACK_REGISTER ( |
630 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ( |
676 | STACKGUARD * PAGESIZE + (char *)stack->sptr, |
631 | STACKGUARD * PAGESIZE + (char *)cctx->sptr, |
677 | stack->ssize + (char *)stack->sptr |
632 | cctx->ssize + (char *)cctx->sptr |
678 | ); |
633 | ); |
679 | #endif |
634 | #endif |
680 | |
635 | |
681 | coro_create (&stack->cctx, coro_run, (void *)stack, stack->sptr, stack->ssize); |
636 | coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, cctx->ssize); |
682 | |
637 | |
683 | return stack; |
638 | return cctx; |
684 | } |
639 | } |
685 | |
640 | |
686 | static void |
641 | static void |
687 | stack_free (coro_stack *stack) |
642 | cctx_destroy (coro_cctx *cctx) |
688 | { |
643 | { |
689 | if (!stack) |
644 | if (!cctx) |
690 | return; |
645 | return; |
691 | |
646 | |
|
|
647 | --cctx_count; |
|
|
648 | |
692 | #if USE_VALGRIND |
649 | #if USE_VALGRIND |
693 | VALGRIND_STACK_DEREGISTER (stack->valgrind_id); |
650 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
694 | #endif |
651 | #endif |
695 | |
652 | |
696 | #if HAVE_MMAP |
653 | #if HAVE_MMAP |
697 | munmap (stack->sptr, stack->ssize); |
654 | munmap (cctx->sptr, cctx->ssize); |
698 | #else |
655 | #else |
699 | Safefree (stack->sptr); |
656 | Safefree (cctx->sptr); |
700 | #endif |
657 | #endif |
701 | |
658 | |
702 | Safefree (stack); |
659 | Safefree (cctx); |
703 | } |
660 | } |
704 | |
661 | |
705 | static coro_stack *stack_first; |
|
|
706 | static int cctx_count, cctx_idle; |
|
|
707 | |
|
|
708 | static coro_stack * |
662 | static coro_cctx * |
709 | stack_get () |
663 | cctx_get () |
710 | { |
664 | { |
711 | coro_stack *stack; |
665 | coro_cctx *cctx; |
712 | |
666 | |
713 | if (stack_first) |
667 | if (cctx_first) |
714 | { |
668 | { |
|
|
669 | cctx = cctx_first; |
|
|
670 | cctx_first = cctx->next; |
715 | --cctx_idle; |
671 | --cctx_idle; |
716 | stack = stack_first; |
|
|
717 | stack_first = stack->next; |
|
|
718 | } |
672 | } |
719 | else |
673 | else |
720 | { |
674 | { |
721 | ++cctx_count; |
675 | cctx = cctx_new (); |
722 | stack = stack_new (); |
|
|
723 | PL_op = PL_op->op_next; |
676 | PL_op = PL_op->op_next; |
724 | } |
677 | } |
725 | |
678 | |
726 | return stack; |
679 | return cctx; |
727 | } |
680 | } |
728 | |
681 | |
729 | static void |
682 | static void |
730 | stack_put (coro_stack *stack) |
683 | cctx_put (coro_cctx *cctx) |
731 | { |
684 | { |
|
|
685 | /* free another cctx if overlimit */ |
|
|
686 | if (cctx_idle >= MAX_IDLE_CCTX) |
|
|
687 | { |
|
|
688 | coro_cctx *first = cctx_first; |
|
|
689 | cctx_first = first->next; |
|
|
690 | --cctx_idle; |
|
|
691 | |
|
|
692 | assert (!first->inuse); |
|
|
693 | cctx_destroy (first); |
|
|
694 | } |
|
|
695 | |
732 | ++cctx_idle; |
696 | ++cctx_idle; |
733 | stack->next = stack_first; |
697 | cctx->next = cctx_first; |
734 | stack_first = stack; |
698 | cctx_first = cctx; |
735 | } |
699 | } |
736 | |
700 | |
737 | /* never call directly, always through the coro_state_transfer global variable */ |
701 | /* never call directly, always through the coro_state_transfer global variable */ |
738 | static void NOINLINE |
702 | static void NOINLINE |
739 | transfer (struct coro *prev, struct coro *next, int flags) |
703 | transfer (struct coro *prev, struct coro *next) |
740 | { |
704 | { |
741 | dSTACKLEVEL; |
705 | dSTACKLEVEL; |
742 | |
706 | |
743 | /* sometimes transfer is only called to set idle_sp */ |
707 | /* sometimes transfer is only called to set idle_sp */ |
744 | if (flags == TRANSFER_SET_STACKLEVEL) |
708 | if (!next) |
745 | ((coro_stack *)prev)->idle_sp = STACKLEVEL; |
709 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
746 | else if (prev != next) |
710 | else if (prev != next) |
747 | { |
711 | { |
748 | coro_stack *prev__stack; |
712 | coro_cctx *prev__cctx; |
|
|
713 | |
|
|
714 | if (prev->flags & CF_NEW) |
|
|
715 | { |
|
|
716 | /* create a new empty context */ |
|
|
717 | Newz (0, prev->cctx, 1, coro_cctx); |
|
|
718 | prev->cctx->inuse = 1; |
|
|
719 | prev->flags &= ~CF_NEW; |
|
|
720 | prev->flags |= CF_RUNNING; |
|
|
721 | } |
|
|
722 | |
|
|
723 | /*TODO: must not croak here */ |
|
|
724 | if (!prev->flags & CF_RUNNING) |
|
|
725 | croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states"); |
|
|
726 | |
|
|
727 | if (next->flags & CF_RUNNING) |
|
|
728 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
729 | |
|
|
730 | prev->flags &= ~CF_RUNNING; |
|
|
731 | next->flags |= CF_RUNNING; |
749 | |
732 | |
750 | LOCK; |
733 | LOCK; |
751 | |
734 | |
752 | if (next->mainstack) |
735 | if (next->flags & CF_NEW) |
753 | { |
736 | { |
754 | /* coroutine already started */ |
737 | /* need to start coroutine */ |
755 | SAVE (prev, flags); |
738 | next->flags &= ~CF_NEW; |
756 | LOAD (next); |
739 | /* first get rid of the old state */ |
|
|
740 | save_perl (prev); |
|
|
741 | /* setup coroutine call */ |
|
|
742 | setup_coro (next); |
|
|
743 | /* need a new stack */ |
|
|
744 | assert (!next->stack); |
757 | } |
745 | } |
758 | else |
746 | else |
759 | { |
747 | { |
760 | /* need to start coroutine */ |
748 | /* coroutine already started */ |
761 | /* first get rid of the old state */ |
749 | save_perl (prev); |
762 | SAVE (prev, -1); |
750 | load_perl (next); |
763 | /* setup coroutine call */ |
|
|
764 | setup_coro (next); |
|
|
765 | /* need a stack */ |
|
|
766 | next->stack = 0; |
|
|
767 | } |
751 | } |
768 | |
752 | |
769 | if (!prev->stack) |
|
|
770 | /* create a new empty context */ |
|
|
771 | Newz (0, prev->stack, 1, coro_stack); |
|
|
772 | |
|
|
773 | prev__stack = prev->stack; |
753 | prev__cctx = prev->cctx; |
774 | |
754 | |
775 | /* possibly "free" the stack */ |
755 | /* possibly "free" the cctx */ |
776 | if (prev__stack->idle_sp == STACKLEVEL) |
756 | if (prev__cctx->idle_sp == STACKLEVEL) |
777 | { |
757 | { |
778 | stack_put (prev__stack); |
758 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
|
|
759 | assert (PL_top_env == prev__cctx->top_env); |
|
|
760 | |
779 | prev->stack = 0; |
761 | prev->cctx = 0; |
|
|
762 | |
|
|
763 | cctx_put (prev__cctx); |
|
|
764 | prev__cctx->inuse = 0; |
780 | } |
765 | } |
781 | |
766 | |
782 | if (!next->stack) |
767 | if (!next->cctx) |
783 | next->stack = stack_get (); |
|
|
784 | |
|
|
785 | if (prev__stack != next->stack) |
|
|
786 | { |
768 | { |
|
|
769 | next->cctx = cctx_get (); |
|
|
770 | assert (!next->cctx->inuse); |
|
|
771 | next->cctx->inuse = 1; |
|
|
772 | } |
|
|
773 | |
|
|
774 | if (prev__cctx != next->cctx) |
|
|
775 | { |
787 | prev__stack->top_env = PL_top_env; |
776 | prev__cctx->top_env = PL_top_env; |
788 | PL_top_env = next->stack->top_env; |
777 | PL_top_env = next->cctx->top_env; |
789 | coro_transfer (&prev__stack->cctx, &next->stack->cctx); |
778 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
790 | } |
779 | } |
791 | |
780 | |
792 | free_coro_mortal (); |
781 | free_coro_mortal (); |
793 | |
782 | |
794 | UNLOCK; |
783 | UNLOCK; |
… | |
… | |
796 | } |
785 | } |
797 | |
786 | |
798 | struct transfer_args |
787 | struct transfer_args |
799 | { |
788 | { |
800 | struct coro *prev, *next; |
789 | struct coro *prev, *next; |
801 | int flags; |
|
|
802 | }; |
790 | }; |
803 | |
791 | |
804 | #define TRANSFER(ta) transfer ((ta).prev, (ta).next, (ta).flags) |
792 | #define TRANSFER(ta) transfer ((ta).prev, (ta).next) |
805 | |
793 | |
806 | static void |
794 | static void |
807 | coro_state_destroy (struct coro *coro) |
795 | coro_state_destroy (struct coro *coro) |
808 | { |
796 | { |
809 | if (coro->refcnt--) |
797 | if (coro->refcnt--) |
810 | return; |
798 | return; |
811 | |
799 | |
812 | if (coro->mainstack && coro->mainstack != main_mainstack) |
800 | if (coro->mainstack && coro->mainstack != main_mainstack) |
813 | { |
801 | { |
814 | struct coro temp; |
802 | struct coro temp; |
|
|
803 | Zero (&temp, 1, struct coro); |
|
|
804 | temp.save = CORO_SAVE_ALL; |
815 | |
805 | |
816 | SAVE ((&temp), TRANSFER_SAVE_ALL); |
806 | if (coro->flags & CF_RUNNING) |
817 | LOAD (coro); |
807 | croak ("FATAL: tried to destroy currently running coroutine"); |
|
|
808 | |
|
|
809 | save_perl (&temp); |
|
|
810 | load_perl (coro); |
818 | |
811 | |
819 | coro_destroy_stacks (); |
812 | coro_destroy_stacks (); |
820 | |
813 | |
821 | LOAD ((&temp)); /* this will get rid of defsv etc.. */ |
814 | load_perl (&temp); /* this will get rid of defsv etc.. */ |
822 | |
815 | |
823 | coro->mainstack = 0; |
816 | coro->mainstack = 0; |
824 | } |
817 | } |
825 | |
818 | |
826 | stack_free (coro->stack); |
819 | cctx_destroy (coro->cctx); |
827 | SvREFCNT_dec (coro->args); |
820 | SvREFCNT_dec (coro->args); |
828 | Safefree (coro); |
821 | Safefree (coro); |
829 | } |
822 | } |
830 | |
823 | |
831 | static int |
824 | static int |
… | |
… | |
881 | assert (mg->mg_type == PERL_MAGIC_ext); |
874 | assert (mg->mg_type == PERL_MAGIC_ext); |
882 | return (struct coro *)mg->mg_ptr; |
875 | return (struct coro *)mg->mg_ptr; |
883 | } |
876 | } |
884 | |
877 | |
885 | static void |
878 | static void |
886 | prepare_transfer (struct transfer_args *ta, SV *prev, SV *next, int flags) |
879 | prepare_transfer (struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
887 | { |
880 | { |
888 | ta->prev = SvSTATE (prev); |
881 | ta->prev = SvSTATE (prev_sv); |
889 | ta->next = SvSTATE (next); |
882 | ta->next = SvSTATE (next_sv); |
890 | ta->flags = flags; |
|
|
891 | } |
883 | } |
892 | |
884 | |
893 | static void |
885 | static void |
894 | api_transfer (SV *prev, SV *next, int flags) |
886 | api_transfer (SV *prev_sv, SV *next_sv) |
895 | { |
887 | { |
896 | dTHX; |
|
|
897 | struct transfer_args ta; |
888 | struct transfer_args ta; |
898 | |
889 | |
899 | prepare_transfer (&ta, prev, next, flags); |
890 | prepare_transfer (&ta, prev_sv, next_sv); |
900 | TRANSFER (ta); |
891 | TRANSFER (ta); |
|
|
892 | } |
|
|
893 | |
|
|
894 | static int |
|
|
895 | api_save (SV *coro_sv, int new_save) |
|
|
896 | { |
|
|
897 | struct coro *coro = SvSTATE (coro_sv); |
|
|
898 | int old_save = coro->save; |
|
|
899 | |
|
|
900 | if (new_save >= 0) |
|
|
901 | coro->save = new_save; |
|
|
902 | |
|
|
903 | return old_save; |
901 | } |
904 | } |
902 | |
905 | |
903 | /** Coro ********************************************************************/ |
906 | /** Coro ********************************************************************/ |
904 | |
907 | |
905 | #define PRIO_MAX 3 |
908 | #define PRIO_MAX 3 |
… | |
… | |
908 | #define PRIO_LOW -1 |
911 | #define PRIO_LOW -1 |
909 | #define PRIO_IDLE -3 |
912 | #define PRIO_IDLE -3 |
910 | #define PRIO_MIN -4 |
913 | #define PRIO_MIN -4 |
911 | |
914 | |
912 | /* for Coro.pm */ |
915 | /* for Coro.pm */ |
913 | static GV *coro_current, *coro_idle; |
916 | static SV *coro_current; |
914 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
917 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
915 | static int coro_nready; |
918 | static int coro_nready; |
916 | |
919 | |
917 | static void |
920 | static void |
918 | coro_enq (SV *sv) |
921 | coro_enq (SV *coro_sv) |
919 | { |
922 | { |
920 | int prio; |
|
|
921 | |
|
|
922 | if (SvTYPE (sv) != SVt_PVHV) |
|
|
923 | croak ("Coro::ready tried to enqueue something that is not a coroutine"); |
|
|
924 | |
|
|
925 | prio = SvSTATE (sv)->prio; |
|
|
926 | |
|
|
927 | av_push (coro_ready [prio - PRIO_MIN], sv); |
923 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
928 | coro_nready++; |
924 | coro_nready++; |
929 | } |
925 | } |
930 | |
926 | |
931 | static SV * |
927 | static SV * |
932 | coro_deq (int min_prio) |
928 | coro_deq (int min_prio) |
… | |
… | |
945 | } |
941 | } |
946 | |
942 | |
947 | return 0; |
943 | return 0; |
948 | } |
944 | } |
949 | |
945 | |
950 | static void |
946 | static int |
951 | api_ready (SV *coro) |
947 | api_ready (SV *coro_sv) |
952 | { |
948 | { |
953 | dTHX; |
949 | struct coro *coro; |
954 | |
950 | |
955 | if (SvROK (coro)) |
951 | if (SvROK (coro_sv)) |
956 | coro = SvRV (coro); |
952 | coro_sv = SvRV (coro_sv); |
|
|
953 | |
|
|
954 | coro = SvSTATE (coro_sv); |
|
|
955 | |
|
|
956 | if (coro->flags & CF_READY) |
|
|
957 | return 0; |
|
|
958 | |
|
|
959 | #if 0 /* this is actually harmless */ |
|
|
960 | if (coro->flags & CF_RUNNING) |
|
|
961 | croak ("Coro::ready called on currently running coroutine"); |
|
|
962 | #endif |
|
|
963 | |
|
|
964 | coro->flags |= CF_READY; |
957 | |
965 | |
958 | LOCK; |
966 | LOCK; |
959 | coro_enq (SvREFCNT_inc (coro)); |
967 | coro_enq (SvREFCNT_inc (coro_sv)); |
960 | UNLOCK; |
968 | UNLOCK; |
|
|
969 | |
|
|
970 | return 1; |
|
|
971 | } |
|
|
972 | |
|
|
973 | static int |
|
|
974 | api_is_ready (SV *coro_sv) |
|
|
975 | { |
|
|
976 | return !!SvSTATE (coro_sv)->flags & CF_READY; |
961 | } |
977 | } |
962 | |
978 | |
963 | static void |
979 | static void |
964 | prepare_schedule (struct transfer_args *ta) |
980 | prepare_schedule (struct transfer_args *ta) |
965 | { |
981 | { |
966 | SV *current, *prev, *next; |
982 | SV *prev, *next; |
967 | |
|
|
968 | current = GvSV (coro_current); |
|
|
969 | |
983 | |
970 | for (;;) |
984 | for (;;) |
971 | { |
985 | { |
972 | LOCK; |
986 | LOCK; |
973 | next = coro_deq (PRIO_MIN); |
987 | next = coro_deq (PRIO_MIN); |
… | |
… | |
982 | ENTER; |
996 | ENTER; |
983 | SAVETMPS; |
997 | SAVETMPS; |
984 | |
998 | |
985 | PUSHMARK (SP); |
999 | PUSHMARK (SP); |
986 | PUTBACK; |
1000 | PUTBACK; |
987 | call_sv (GvSV (coro_idle), G_DISCARD); |
1001 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
988 | |
1002 | |
989 | FREETMPS; |
1003 | FREETMPS; |
990 | LEAVE; |
1004 | LEAVE; |
991 | } |
1005 | } |
992 | } |
1006 | } |
993 | |
1007 | |
994 | prev = SvRV (current); |
1008 | prev = SvRV (coro_current); |
995 | SvRV (current) = next; |
1009 | SvRV_set (coro_current, next); |
996 | |
1010 | |
997 | /* free this only after the transfer */ |
1011 | /* free this only after the transfer */ |
998 | LOCK; |
1012 | LOCK; |
999 | free_coro_mortal (); |
1013 | free_coro_mortal (); |
1000 | UNLOCK; |
1014 | UNLOCK; |
1001 | coro_mortal = prev; |
1015 | coro_mortal = prev; |
1002 | |
1016 | |
|
|
1017 | assert (!SvROK(prev));//D |
|
|
1018 | assert (!SvROK(next));//D |
|
|
1019 | |
1003 | ta->prev = SvSTATE (prev); |
1020 | ta->prev = SvSTATE (prev); |
1004 | ta->next = SvSTATE (next); |
1021 | ta->next = SvSTATE (next); |
1005 | ta->flags = TRANSFER_SAVE_ALL; |
1022 | |
|
|
1023 | assert (ta->next->flags & CF_READY); |
|
|
1024 | ta->next->flags &= ~CF_READY; |
1006 | } |
1025 | } |
1007 | |
1026 | |
1008 | static void |
1027 | static void |
1009 | prepare_cede (struct transfer_args *ta) |
1028 | prepare_cede (struct transfer_args *ta) |
1010 | { |
1029 | { |
1011 | LOCK; |
1030 | api_ready (coro_current); |
1012 | coro_enq (SvREFCNT_inc (SvRV (GvSV (coro_current)))); |
|
|
1013 | UNLOCK; |
|
|
1014 | |
1031 | |
1015 | prepare_schedule (ta); |
1032 | prepare_schedule (ta); |
1016 | } |
1033 | } |
1017 | |
1034 | |
1018 | static void |
1035 | static void |
1019 | api_schedule (void) |
1036 | api_schedule (void) |
1020 | { |
1037 | { |
1021 | dTHX; |
|
|
1022 | struct transfer_args ta; |
1038 | struct transfer_args ta; |
1023 | |
1039 | |
1024 | prepare_schedule (&ta); |
1040 | prepare_schedule (&ta); |
1025 | TRANSFER (ta); |
1041 | TRANSFER (ta); |
1026 | } |
1042 | } |
1027 | |
1043 | |
1028 | static void |
1044 | static void |
1029 | api_cede (void) |
1045 | api_cede (void) |
1030 | { |
1046 | { |
1031 | dTHX; |
|
|
1032 | struct transfer_args ta; |
1047 | struct transfer_args ta; |
1033 | |
1048 | |
1034 | prepare_cede (&ta); |
1049 | prepare_cede (&ta); |
1035 | TRANSFER (ta); |
1050 | TRANSFER (ta); |
1036 | } |
1051 | } |
… | |
… | |
1046 | #endif |
1061 | #endif |
1047 | BOOT_PAGESIZE; |
1062 | BOOT_PAGESIZE; |
1048 | |
1063 | |
1049 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1064 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1050 | |
1065 | |
1051 | newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV)); |
1066 | newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); |
1052 | newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV)); |
1067 | newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); |
1053 | newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV)); |
1068 | newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); |
|
|
1069 | newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); |
|
|
1070 | newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); |
1054 | |
1071 | |
1055 | main_mainstack = PL_mainstack; |
1072 | main_mainstack = PL_mainstack; |
1056 | |
1073 | |
1057 | coroapi.ver = CORO_API_VERSION; |
1074 | coroapi.ver = CORO_API_VERSION; |
1058 | coroapi.transfer = api_transfer; |
1075 | coroapi.transfer = api_transfer; |
… | |
… | |
1068 | HV *hv; |
1085 | HV *hv; |
1069 | int i; |
1086 | int i; |
1070 | |
1087 | |
1071 | Newz (0, coro, 1, struct coro); |
1088 | Newz (0, coro, 1, struct coro); |
1072 | coro->args = newAV (); |
1089 | coro->args = newAV (); |
|
|
1090 | coro->save = CORO_SAVE_ALL; |
|
|
1091 | coro->flags = CF_NEW; |
1073 | |
1092 | |
1074 | hv = newHV (); |
1093 | hv = newHV (); |
1075 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1094 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1076 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1095 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1077 | |
1096 | |
1078 | for (i = 1; i < items; i++) |
1097 | for (i = 1; i < items; i++) |
1079 | av_push (coro->args, newSVsv (ST (i))); |
1098 | av_push (coro->args, newSVsv (ST (i))); |
1080 | |
|
|
1081 | /*coro->mainstack = 0; *//*actual work is done inside transfer */ |
|
|
1082 | /*coro->stack = 0;*/ |
|
|
1083 | } |
1099 | } |
1084 | OUTPUT: |
1100 | OUTPUT: |
|
|
1101 | RETVAL |
|
|
1102 | |
|
|
1103 | int |
|
|
1104 | save (SV *coro, int new_save = -1) |
|
|
1105 | CODE: |
|
|
1106 | RETVAL = api_save (coro, new_save); |
|
|
1107 | OUTPUT: |
1085 | RETVAL |
1108 | RETVAL |
1086 | |
1109 | |
1087 | void |
1110 | void |
1088 | _set_stacklevel (...) |
1111 | _set_stacklevel (...) |
1089 | ALIAS: |
1112 | ALIAS: |
1090 | Coro::State::transfer = 1 |
1113 | Coro::State::transfer = 1 |
1091 | Coro::schedule = 2 |
1114 | Coro::schedule = 2 |
1092 | Coro::cede = 3 |
1115 | Coro::cede = 3 |
1093 | Coro::Cont::yield = 4 |
|
|
1094 | CODE: |
1116 | CODE: |
1095 | { |
1117 | { |
1096 | struct transfer_args ta; |
1118 | struct transfer_args ta; |
1097 | |
1119 | |
1098 | switch (ix) |
1120 | switch (ix) |
1099 | { |
1121 | { |
1100 | case 0: |
1122 | case 0: |
1101 | ta.prev = (struct coro *)INT2PTR (coro_stack *, SvIV (ST (0))); |
1123 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1102 | ta.next = 0; |
1124 | ta.next = 0; |
1103 | ta.flags = TRANSFER_SET_STACKLEVEL; |
|
|
1104 | break; |
1125 | break; |
1105 | |
1126 | |
1106 | case 1: |
1127 | case 1: |
1107 | if (items != 3) |
1128 | if (items != 2) |
1108 | croak ("Coro::State::transfer(prev,next,flags) expects three arguments, not %d", items); |
1129 | croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); |
1109 | |
1130 | |
1110 | prepare_transfer (&ta, ST (0), ST (1), SvIV (ST (2))); |
1131 | prepare_transfer (&ta, ST (0), ST (1)); |
1111 | break; |
1132 | break; |
1112 | |
1133 | |
1113 | case 2: |
1134 | case 2: |
1114 | prepare_schedule (&ta); |
1135 | prepare_schedule (&ta); |
1115 | break; |
1136 | break; |
1116 | |
1137 | |
1117 | case 3: |
1138 | case 3: |
1118 | prepare_cede (&ta); |
1139 | prepare_cede (&ta); |
1119 | break; |
1140 | break; |
1120 | |
|
|
1121 | case 4: |
|
|
1122 | { |
|
|
1123 | SV *yieldstack; |
|
|
1124 | SV *sv; |
|
|
1125 | AV *defav = GvAV (PL_defgv); |
|
|
1126 | |
|
|
1127 | yieldstack = *hv_fetch ( |
|
|
1128 | (HV *)SvRV (GvSV (coro_current)), |
|
|
1129 | "yieldstack", sizeof ("yieldstack") - 1, |
|
|
1130 | 0 |
|
|
1131 | ); |
|
|
1132 | |
|
|
1133 | /* set up @_ -- ugly */ |
|
|
1134 | av_clear (defav); |
|
|
1135 | av_fill (defav, items - 1); |
|
|
1136 | while (items--) |
|
|
1137 | av_store (defav, items, SvREFCNT_inc (ST(items))); |
|
|
1138 | |
|
|
1139 | sv = av_pop ((AV *)SvRV (yieldstack)); |
|
|
1140 | ta.prev = SvSTATE (*av_fetch ((AV *)SvRV (sv), 0, 0)); |
|
|
1141 | ta.next = SvSTATE (*av_fetch ((AV *)SvRV (sv), 1, 0)); |
|
|
1142 | ta.flags = 0; |
|
|
1143 | SvREFCNT_dec (sv); |
|
|
1144 | } |
|
|
1145 | break; |
|
|
1146 | |
|
|
1147 | } |
1141 | } |
1148 | |
1142 | |
1149 | TRANSFER (ta); |
1143 | TRANSFER (ta); |
1150 | } |
1144 | } |
1151 | |
1145 | |
… | |
… | |
1166 | int code |
1160 | int code |
1167 | PROTOTYPE: $ |
1161 | PROTOTYPE: $ |
1168 | CODE: |
1162 | CODE: |
1169 | _exit (code); |
1163 | _exit (code); |
1170 | |
1164 | |
|
|
1165 | int |
|
|
1166 | cctx_count () |
|
|
1167 | CODE: |
|
|
1168 | RETVAL = cctx_count; |
|
|
1169 | OUTPUT: |
|
|
1170 | RETVAL |
|
|
1171 | |
|
|
1172 | int |
|
|
1173 | cctx_idle () |
|
|
1174 | CODE: |
|
|
1175 | RETVAL = cctx_idle; |
|
|
1176 | OUTPUT: |
|
|
1177 | RETVAL |
|
|
1178 | |
1171 | MODULE = Coro::State PACKAGE = Coro |
1179 | MODULE = Coro::State PACKAGE = Coro |
1172 | |
1180 | |
1173 | BOOT: |
1181 | BOOT: |
1174 | { |
1182 | { |
1175 | int i; |
1183 | int i; |
… | |
… | |
1181 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1189 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1182 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1190 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1183 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
1191 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
1184 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
1192 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
1185 | |
1193 | |
1186 | coro_current = gv_fetchpv ("Coro::current", TRUE, SVt_PV); |
1194 | coro_current = get_sv ("Coro::current", FALSE); |
1187 | coro_idle = gv_fetchpv ("Coro::idle" , TRUE, SVt_PV); |
1195 | SvREADONLY_on (coro_current); |
1188 | |
1196 | |
1189 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1197 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1190 | coro_ready[i] = newAV (); |
1198 | coro_ready[i] = newAV (); |
1191 | |
1199 | |
1192 | { |
1200 | { |
1193 | SV *sv = perl_get_sv("Coro::API", 1); |
1201 | SV *sv = perl_get_sv("Coro::API", 1); |
1194 | |
1202 | |
1195 | coroapi.schedule = api_schedule; |
1203 | coroapi.schedule = api_schedule; |
|
|
1204 | coroapi.save = api_save; |
1196 | coroapi.cede = api_cede; |
1205 | coroapi.cede = api_cede; |
1197 | coroapi.ready = api_ready; |
1206 | coroapi.ready = api_ready; |
|
|
1207 | coroapi.is_ready = api_is_ready; |
1198 | coroapi.nready = &coro_nready; |
1208 | coroapi.nready = &coro_nready; |
1199 | coroapi.current = coro_current; |
1209 | coroapi.current = coro_current; |
1200 | |
1210 | |
1201 | GCoroAPI = &coroapi; |
1211 | GCoroAPI = &coroapi; |
1202 | sv_setiv (sv, (IV)&coroapi); |
1212 | sv_setiv (sv, (IV)&coroapi); |
1203 | SvREADONLY_on (sv); |
1213 | SvREADONLY_on (sv); |
1204 | } |
1214 | } |
1205 | } |
1215 | } |
|
|
1216 | |
|
|
1217 | void |
|
|
1218 | _set_current (SV *current) |
|
|
1219 | PROTOTYPE: $ |
|
|
1220 | CODE: |
|
|
1221 | SvREFCNT_dec (SvRV (coro_current)); |
|
|
1222 | SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); |
1206 | |
1223 | |
1207 | int |
1224 | int |
1208 | prio (Coro::State coro, int newprio = 0) |
1225 | prio (Coro::State coro, int newprio = 0) |
1209 | ALIAS: |
1226 | ALIAS: |
1210 | nice = 1 |
1227 | nice = 1 |
… | |
… | |
1222 | |
1239 | |
1223 | coro->prio = newprio; |
1240 | coro->prio = newprio; |
1224 | } |
1241 | } |
1225 | } |
1242 | } |
1226 | |
1243 | |
1227 | void |
1244 | SV * |
1228 | ready (SV *self) |
1245 | ready (SV *self) |
1229 | PROTOTYPE: $ |
1246 | PROTOTYPE: $ |
1230 | CODE: |
1247 | CODE: |
1231 | api_ready (self); |
1248 | RETVAL = boolSV (api_ready (self)); |
|
|
1249 | OUTPUT: |
|
|
1250 | RETVAL |
|
|
1251 | |
|
|
1252 | SV * |
|
|
1253 | is_ready (SV *self) |
|
|
1254 | PROTOTYPE: $ |
|
|
1255 | CODE: |
|
|
1256 | RETVAL = boolSV (api_is_ready (self)); |
|
|
1257 | OUTPUT: |
|
|
1258 | RETVAL |
1232 | |
1259 | |
1233 | int |
1260 | int |
1234 | nready (...) |
1261 | nready (...) |
1235 | PROTOTYPE: |
1262 | PROTOTYPE: |
1236 | CODE: |
1263 | CODE: |
… | |
… | |
1242 | |
1269 | |
1243 | SV * |
1270 | SV * |
1244 | _get_state () |
1271 | _get_state () |
1245 | CODE: |
1272 | CODE: |
1246 | { |
1273 | { |
1247 | struct { |
1274 | struct io_state *data; |
1248 | int errorno; |
|
|
1249 | int laststype; |
|
|
1250 | int laststatval; |
|
|
1251 | Stat_t statcache; |
|
|
1252 | } data; |
|
|
1253 | |
1275 | |
|
|
1276 | RETVAL = newSV (sizeof (struct io_state)); |
|
|
1277 | data = (struct io_state *)SvPVX (RETVAL); |
|
|
1278 | SvCUR_set (RETVAL, sizeof (struct io_state)); |
|
|
1279 | SvPOK_only (RETVAL); |
|
|
1280 | |
1254 | data.errorno = errno; |
1281 | data->errorno = errno; |
1255 | data.laststype = PL_laststype; |
1282 | data->laststype = PL_laststype; |
1256 | data.laststatval = PL_laststatval; |
1283 | data->laststatval = PL_laststatval; |
1257 | data.statcache = PL_statcache; |
1284 | data->statcache = PL_statcache; |
1258 | |
|
|
1259 | RETVAL = newSVpvn ((char *)&data, sizeof data); |
|
|
1260 | } |
1285 | } |
1261 | OUTPUT: |
1286 | OUTPUT: |
1262 | RETVAL |
1287 | RETVAL |
1263 | |
1288 | |
1264 | void |
1289 | void |
1265 | _set_state (char *data_) |
1290 | _set_state (char *data_) |
1266 | PROTOTYPE: $ |
1291 | PROTOTYPE: $ |
1267 | CODE: |
1292 | CODE: |
1268 | { |
1293 | { |
1269 | struct { |
1294 | struct io_state *data = (void *)data_; |
1270 | int errorno; |
|
|
1271 | int laststype; |
|
|
1272 | int laststatval; |
|
|
1273 | Stat_t statcache; |
|
|
1274 | } *data = (void *)data_; |
|
|
1275 | |
1295 | |
1276 | errno = data->errorno; |
1296 | errno = data->errorno; |
1277 | PL_laststype = data->laststype; |
1297 | PL_laststype = data->laststype; |
1278 | PL_laststatval = data->laststatval; |
1298 | PL_laststatval = data->laststatval; |
1279 | PL_statcache = data->statcache; |
1299 | PL_statcache = data->statcache; |
1280 | } |
1300 | } |
|
|
1301 | |