1 | #include "libcoro/coro.c" |
1 | #include "libcoro/coro.c" |
2 | |
2 | |
3 | #define PERL_NO_GET_CONTEXT |
3 | #define PERL_NO_GET_CONTEXT |
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4 | #define PERL_EXT |
4 | |
5 | |
5 | #include "EXTERN.h" |
6 | #include "EXTERN.h" |
6 | #include "perl.h" |
7 | #include "perl.h" |
7 | #include "XSUB.h" |
8 | #include "XSUB.h" |
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9 | #include "perliol.h" |
8 | |
10 | |
9 | #include "patchlevel.h" |
11 | #include "patchlevel.h" |
10 | |
12 | |
11 | #include <stdio.h> |
13 | #include <stdio.h> |
12 | #include <errno.h> |
14 | #include <errno.h> |
13 | #include <assert.h> |
15 | #include <assert.h> |
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16 | |
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17 | #ifdef WIN32 |
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18 | # undef setjmp |
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19 | # undef longjmp |
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20 | # undef _exit |
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21 | # define setjmp _setjmp // deep magic, don't ask |
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22 | #else |
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23 | # include <inttypes.h> /* most portable stdint.h */ |
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24 | #endif |
14 | |
25 | |
15 | #ifdef HAVE_MMAP |
26 | #ifdef HAVE_MMAP |
16 | # include <unistd.h> |
27 | # include <unistd.h> |
17 | # include <sys/mman.h> |
28 | # include <sys/mman.h> |
18 | # ifndef MAP_ANONYMOUS |
29 | # ifndef MAP_ANONYMOUS |
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… | |
41 | #else |
52 | #else |
42 | # define REGISTER_STACK(cctx,start,end) |
53 | # define REGISTER_STACK(cctx,start,end) |
43 | #endif |
54 | #endif |
44 | |
55 | |
45 | /* the maximum number of idle cctx that will be pooled */ |
56 | /* the maximum number of idle cctx that will be pooled */ |
46 | #define MAX_IDLE_CCTX 8 |
57 | static int cctx_max_idle = 4; |
47 | |
58 | |
48 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
59 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
49 | (PERL_REVISION > (a) \ |
60 | (PERL_REVISION > (a) \ |
50 | || (PERL_REVISION == (a) \ |
61 | || (PERL_REVISION == (a) \ |
51 | && (PERL_VERSION > (b) \ |
62 | && (PERL_VERSION > (b) \ |
… | |
… | |
70 | # ifndef IS_PADCONST |
81 | # ifndef IS_PADCONST |
71 | # define IS_PADCONST(v) 0 |
82 | # define IS_PADCONST(v) 0 |
72 | # endif |
83 | # endif |
73 | #endif |
84 | #endif |
74 | |
85 | |
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86 | /* 5.11 */ |
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87 | #ifndef CxHASARGS |
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88 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
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89 | #endif |
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90 | |
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91 | /* 5.10.0 */ |
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92 | #ifndef SvREFCNT_inc_NN |
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93 | # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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94 | #endif |
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95 | |
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96 | /* 5.8.8 */ |
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97 | #ifndef GV_NOTQUAL |
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98 | # define GV_NOTQUAL 0 |
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99 | #endif |
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100 | #ifndef newSV |
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101 | # define newSV(l) NEWSV(0,l) |
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102 | #endif |
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103 | |
75 | /* 5.8.7 */ |
104 | /* 5.8.7 */ |
76 | #ifndef SvRV_set |
105 | #ifndef SvRV_set |
77 | # define SvRV_set(s,v) SvRV(s) = (v) |
106 | # define SvRV_set(s,v) SvRV(s) = (v) |
78 | #endif |
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79 | |
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80 | /* 5.8.8 */ |
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81 | #ifndef GV_NOTQUAL |
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82 | # define GV_NOTQUAL 0 |
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83 | #endif |
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84 | #ifndef newSV |
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85 | # define newSV(l) NEWSV(0,l) |
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86 | #endif |
107 | #endif |
87 | |
108 | |
88 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
109 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
89 | # undef CORO_STACKGUARD |
110 | # undef CORO_STACKGUARD |
90 | #endif |
111 | #endif |
… | |
… | |
121 | #define NOINLINE attribute ((noinline)) |
142 | #define NOINLINE attribute ((noinline)) |
122 | |
143 | |
123 | #include "CoroAPI.h" |
144 | #include "CoroAPI.h" |
124 | |
145 | |
125 | #ifdef USE_ITHREADS |
146 | #ifdef USE_ITHREADS |
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147 | |
126 | static perl_mutex coro_mutex; |
148 | static perl_mutex coro_lock; |
127 | # define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) |
149 | # define LOCK do { MUTEX_LOCK (&coro_lock); } while (0) |
128 | # define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0) |
150 | # define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0) |
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151 | # if CORO_PTHREAD |
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152 | static void *coro_thx; |
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153 | # endif |
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154 | |
129 | #else |
155 | #else |
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156 | |
130 | # define LOCK (void)0 |
157 | # define LOCK (void)0 |
131 | # define UNLOCK (void)0 |
158 | # define UNLOCK (void)0 |
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159 | |
132 | #endif |
160 | #endif |
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161 | |
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162 | # undef LOCK |
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163 | # define LOCK (void)0 |
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164 | # undef UNLOCK |
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165 | # define UNLOCK (void)0 |
133 | |
166 | |
134 | /* helper storage struct for Coro::AIO */ |
167 | /* helper storage struct for Coro::AIO */ |
135 | struct io_state |
168 | struct io_state |
136 | { |
169 | { |
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170 | AV *res; |
137 | int errorno; |
171 | int errorno; |
138 | I32 laststype; |
172 | I32 laststype; /* U16 in 5.10.0 */ |
139 | int laststatval; |
173 | int laststatval; |
140 | Stat_t statcache; |
174 | Stat_t statcache; |
141 | }; |
175 | }; |
142 | |
176 | |
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177 | static double (*nvtime)(); /* so why doesn't it take void? */ |
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178 | |
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179 | static U32 cctx_gen; |
143 | static size_t coro_stacksize = CORO_STACKSIZE; |
180 | static size_t cctx_stacksize = CORO_STACKSIZE; |
144 | static struct CoroAPI coroapi; |
181 | static struct CoroAPI coroapi; |
145 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
182 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
146 | static JMPENV *main_top_env; |
183 | static JMPENV *main_top_env; |
147 | static HV *coro_state_stash, *coro_stash; |
184 | static HV *coro_state_stash, *coro_stash; |
148 | static SV *coro_mortal; /* will be freed after next transfer */ |
185 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
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186 | static volatile struct coro *transfer_next; |
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187 | |
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188 | struct transfer_args |
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189 | { |
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190 | struct coro *prev, *next; |
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191 | }; |
149 | |
192 | |
150 | static GV *irsgv; /* $/ */ |
193 | static GV *irsgv; /* $/ */ |
151 | static GV *stdoutgv; /* *STDOUT */ |
194 | static GV *stdoutgv; /* *STDOUT */ |
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195 | static SV *rv_diehook; |
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196 | static SV *rv_warnhook; |
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197 | static HV *hv_sig; /* %SIG */ |
152 | |
198 | |
153 | /* async_pool helper stuff */ |
199 | /* async_pool helper stuff */ |
154 | static SV *sv_pool_rss; |
200 | static SV *sv_pool_rss; |
155 | static SV *sv_pool_size; |
201 | static SV *sv_pool_size; |
156 | static AV *av_async_pool; |
202 | static AV *av_async_pool; |
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203 | |
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204 | /* Coro::AnyEvent */ |
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205 | static SV *sv_activity; |
157 | |
206 | |
158 | static struct coro_cctx *cctx_first; |
207 | static struct coro_cctx *cctx_first; |
159 | static int cctx_count, cctx_idle; |
208 | static int cctx_count, cctx_idle; |
160 | |
209 | |
161 | enum { |
210 | enum { |
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179 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
228 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
180 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
229 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
181 | JMPENV *top_env; |
230 | JMPENV *top_env; |
182 | coro_context cctx; |
231 | coro_context cctx; |
183 | |
232 | |
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233 | U32 gen; |
184 | #if CORO_USE_VALGRIND |
234 | #if CORO_USE_VALGRIND |
185 | int valgrind_id; |
235 | int valgrind_id; |
186 | #endif |
236 | #endif |
187 | unsigned char flags; |
237 | unsigned char flags; |
188 | } coro_cctx; |
238 | } coro_cctx; |
… | |
… | |
192 | CF_READY = 0x0002, /* coroutine is ready */ |
242 | CF_READY = 0x0002, /* coroutine is ready */ |
193 | CF_NEW = 0x0004, /* has never been switched to */ |
243 | CF_NEW = 0x0004, /* has never been switched to */ |
194 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
244 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
195 | }; |
245 | }; |
196 | |
246 | |
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247 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
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248 | typedef struct { |
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249 | SV *defsv; |
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250 | AV *defav; |
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251 | SV *errsv; |
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252 | SV *irsgv; |
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253 | #define VAR(name,type) type name; |
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254 | # include "state.h" |
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255 | #undef VAR |
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256 | } perl_slots; |
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257 | |
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258 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
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259 | |
197 | /* this is a structure representing a perl-level coroutine */ |
260 | /* this is a structure representing a perl-level coroutine */ |
198 | struct coro { |
261 | struct coro { |
199 | /* the c coroutine allocated to this perl coroutine, if any */ |
262 | /* the c coroutine allocated to this perl coroutine, if any */ |
200 | coro_cctx *cctx; |
263 | coro_cctx *cctx; |
201 | |
264 | |
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265 | /* process data */ |
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266 | AV *mainstack; |
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267 | perl_slots *slot; /* basically the saved sp */ |
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268 | |
202 | /* data associated with this coroutine (initial args) */ |
269 | AV *args; /* data associated with this coroutine (initial args) */ |
203 | AV *args; |
270 | int refcnt; /* coroutines are refcounted, yes */ |
204 | int refcnt; |
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205 | int flags; /* CF_ flags */ |
271 | int flags; /* CF_ flags */ |
206 | |
272 | HV *hv; /* the perl hash associated with this coro, if any */ |
207 | /* optionally saved, might be zero */ |
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208 | AV *defav; /* @_ */ |
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209 | SV *defsv; /* $_ */ |
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210 | SV *errsv; /* $@ */ |
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211 | SV *deffh; /* default filehandle */ |
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212 | SV *irssv; /* $/ */ |
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213 | SV *irssv_sv; /* real $/ cache */ |
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214 | |
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215 | #define VAR(name,type) type name; |
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216 | # include "state.h" |
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217 | #undef VAR |
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218 | |
273 | |
219 | /* statistics */ |
274 | /* statistics */ |
220 | int usecount; /* number of transfers to this coro */ |
275 | int usecount; /* number of transfers to this coro */ |
221 | |
276 | |
222 | /* coro process data */ |
277 | /* coro process data */ |
223 | int prio; |
278 | int prio; |
224 | SV *throw; |
279 | SV *throw; /* exception to be thrown */ |
225 | |
280 | |
226 | /* async_pool */ |
281 | /* async_pool */ |
227 | SV *saved_deffh; |
282 | SV *saved_deffh; |
228 | |
283 | |
229 | /* linked list */ |
284 | /* linked list */ |
230 | struct coro *next, *prev; |
285 | struct coro *next, *prev; |
231 | HV *hv; /* the perl hash associated with this coro, if any */ |
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232 | }; |
286 | }; |
233 | |
287 | |
234 | typedef struct coro *Coro__State; |
288 | typedef struct coro *Coro__State; |
235 | typedef struct coro *Coro__State_or_hashref; |
289 | typedef struct coro *Coro__State_or_hashref; |
236 | |
290 | |
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243 | #define PRIO_IDLE -3 |
297 | #define PRIO_IDLE -3 |
244 | #define PRIO_MIN -4 |
298 | #define PRIO_MIN -4 |
245 | |
299 | |
246 | /* for Coro.pm */ |
300 | /* for Coro.pm */ |
247 | static SV *coro_current; |
301 | static SV *coro_current; |
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302 | static SV *coro_readyhook; |
248 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
303 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
249 | static int coro_nready; |
304 | static int coro_nready; |
250 | static struct coro *coro_first; |
305 | static struct coro *coro_first; |
251 | |
306 | |
252 | /** lowlevel stuff **********************************************************/ |
307 | /** lowlevel stuff **********************************************************/ |
253 | |
308 | |
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309 | static SV * |
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310 | coro_get_sv (pTHX_ const char *name, int create) |
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311 | { |
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312 | #if PERL_VERSION_ATLEAST (5,10,0) |
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313 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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314 | get_sv (name, create); |
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315 | #endif |
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316 | return get_sv (name, create); |
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317 | } |
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318 | |
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319 | static AV * |
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320 | coro_get_av (pTHX_ const char *name, int create) |
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321 | { |
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322 | #if PERL_VERSION_ATLEAST (5,10,0) |
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323 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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324 | get_av (name, create); |
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325 | #endif |
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326 | return get_av (name, create); |
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327 | } |
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328 | |
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329 | static HV * |
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330 | coro_get_hv (pTHX_ const char *name, int create) |
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331 | { |
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332 | #if PERL_VERSION_ATLEAST (5,10,0) |
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333 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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334 | get_hv (name, create); |
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335 | #endif |
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336 | return get_hv (name, create); |
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337 | } |
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338 | |
254 | static AV * |
339 | static AV * |
255 | coro_clone_padlist (pTHX_ CV *cv) |
340 | coro_clone_padlist (pTHX_ CV *cv) |
256 | { |
341 | { |
257 | AV *padlist = CvPADLIST (cv); |
342 | AV *padlist = CvPADLIST (cv); |
258 | AV *newpadlist, *newpad; |
343 | AV *newpadlist, *newpad; |
259 | |
344 | |
260 | newpadlist = newAV (); |
345 | newpadlist = newAV (); |
261 | AvREAL_off (newpadlist); |
346 | AvREAL_off (newpadlist); |
262 | #if PERL_VERSION_ATLEAST (5,9,0) |
347 | #if PERL_VERSION_ATLEAST (5,10,0) |
263 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
348 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
264 | #else |
349 | #else |
265 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
350 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
266 | #endif |
351 | #endif |
267 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
352 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
268 | --AvFILLp (padlist); |
353 | --AvFILLp (padlist); |
269 | |
354 | |
270 | av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE))); |
355 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
271 | av_store (newpadlist, 1, (SV *)newpad); |
356 | av_store (newpadlist, 1, (SV *)newpad); |
272 | |
357 | |
273 | return newpadlist; |
358 | return newpadlist; |
274 | } |
359 | } |
275 | |
360 | |
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305 | |
390 | |
306 | /* casting is fun. */ |
391 | /* casting is fun. */ |
307 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
392 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
308 | free_padlist (aTHX_ padlist); |
393 | free_padlist (aTHX_ padlist); |
309 | |
394 | |
310 | SvREFCNT_dec (av); |
395 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
311 | |
396 | |
312 | return 0; |
397 | return 0; |
313 | } |
398 | } |
314 | |
399 | |
315 | #define PERL_MAGIC_coro PERL_MAGIC_ext |
400 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
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401 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
316 | |
402 | |
317 | static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; |
403 | static MGVTBL coro_cv_vtbl = { |
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404 | 0, 0, 0, 0, |
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405 | coro_cv_free |
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406 | }; |
318 | |
407 | |
319 | #define CORO_MAGIC(cv) \ |
408 | #define CORO_MAGIC(sv, type) \ |
320 | SvMAGIC (cv) \ |
409 | SvMAGIC (sv) \ |
321 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
410 | ? SvMAGIC (sv)->mg_type == type \ |
322 | ? SvMAGIC (cv) \ |
411 | ? SvMAGIC (sv) \ |
323 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
412 | : mg_find (sv, type) \ |
324 | : 0 |
413 | : 0 |
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414 | |
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415 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
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416 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
325 | |
417 | |
326 | static struct coro * |
418 | static struct coro * |
327 | SvSTATE_ (pTHX_ SV *coro) |
419 | SvSTATE_ (pTHX_ SV *coro) |
328 | { |
420 | { |
329 | HV *stash; |
421 | HV *stash; |
… | |
… | |
341 | /* very slow, but rare, check */ |
433 | /* very slow, but rare, check */ |
342 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
434 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
343 | croak ("Coro::State object required"); |
435 | croak ("Coro::State object required"); |
344 | } |
436 | } |
345 | |
437 | |
346 | mg = CORO_MAGIC (coro); |
438 | mg = CORO_MAGIC_state (coro); |
347 | return (struct coro *)mg->mg_ptr; |
439 | return (struct coro *)mg->mg_ptr; |
348 | } |
440 | } |
349 | |
441 | |
350 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
442 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
351 | |
443 | |
352 | /* the next two functions merely cache the padlists */ |
444 | /* the next two functions merely cache the padlists */ |
353 | static void |
445 | static void |
354 | get_padlist (pTHX_ CV *cv) |
446 | get_padlist (pTHX_ CV *cv) |
355 | { |
447 | { |
356 | MAGIC *mg = CORO_MAGIC (cv); |
448 | MAGIC *mg = CORO_MAGIC_cv (cv); |
357 | AV *av; |
449 | AV *av; |
358 | |
450 | |
359 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
451 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
360 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
452 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
361 | else |
453 | else |
362 | { |
454 | { |
363 | #if CORO_PREFER_PERL_FUNCTIONS |
455 | #if CORO_PREFER_PERL_FUNCTIONS |
364 | /* this is probably cleaner, but also slower? */ |
456 | /* this is probably cleaner? but also slower! */ |
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457 | /* in practise, it seems to be less stable */ |
365 | CV *cp = Perl_cv_clone (cv); |
458 | CV *cp = Perl_cv_clone (cv); |
366 | CvPADLIST (cv) = CvPADLIST (cp); |
459 | CvPADLIST (cv) = CvPADLIST (cp); |
367 | CvPADLIST (cp) = 0; |
460 | CvPADLIST (cp) = 0; |
368 | SvREFCNT_dec (cp); |
461 | SvREFCNT_dec (cp); |
369 | #else |
462 | #else |
… | |
… | |
373 | } |
466 | } |
374 | |
467 | |
375 | static void |
468 | static void |
376 | put_padlist (pTHX_ CV *cv) |
469 | put_padlist (pTHX_ CV *cv) |
377 | { |
470 | { |
378 | MAGIC *mg = CORO_MAGIC (cv); |
471 | MAGIC *mg = CORO_MAGIC_cv (cv); |
379 | AV *av; |
472 | AV *av; |
380 | |
473 | |
381 | if (expect_false (!mg)) |
474 | if (expect_false (!mg)) |
382 | { |
475 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
383 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
|
|
384 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
|
|
385 | mg->mg_virtual = &vtbl_coro; |
|
|
386 | mg->mg_obj = (SV *)newAV (); |
|
|
387 | } |
|
|
388 | |
476 | |
389 | av = (AV *)mg->mg_obj; |
477 | av = (AV *)mg->mg_obj; |
390 | |
478 | |
391 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
479 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
392 | av_extend (av, AvMAX (av) + 1); |
480 | av_extend (av, AvMAX (av) + 1); |
… | |
… | |
397 | /** load & save, init *******************************************************/ |
485 | /** load & save, init *******************************************************/ |
398 | |
486 | |
399 | static void |
487 | static void |
400 | load_perl (pTHX_ Coro__State c) |
488 | load_perl (pTHX_ Coro__State c) |
401 | { |
489 | { |
|
|
490 | perl_slots *slot = c->slot; |
|
|
491 | c->slot = 0; |
|
|
492 | |
|
|
493 | PL_mainstack = c->mainstack; |
|
|
494 | |
|
|
495 | GvSV (PL_defgv) = slot->defsv; |
|
|
496 | GvAV (PL_defgv) = slot->defav; |
|
|
497 | GvSV (PL_errgv) = slot->errsv; |
|
|
498 | GvSV (irsgv) = slot->irsgv; |
|
|
499 | |
402 | #define VAR(name,type) PL_ ## name = c->name; |
500 | #define VAR(name,type) PL_ ## name = slot->name; |
403 | # include "state.h" |
501 | # include "state.h" |
404 | #undef VAR |
502 | #undef VAR |
405 | |
|
|
406 | GvSV (PL_defgv) = c->defsv; |
|
|
407 | GvAV (PL_defgv) = c->defav; |
|
|
408 | GvSV (PL_errgv) = c->errsv; |
|
|
409 | GvSV (irsgv) = c->irssv_sv; |
|
|
410 | |
503 | |
411 | { |
504 | { |
412 | dSP; |
505 | dSP; |
|
|
506 | |
413 | CV *cv; |
507 | CV *cv; |
414 | |
508 | |
415 | /* now do the ugly restore mess */ |
509 | /* now do the ugly restore mess */ |
416 | while (expect_true (cv = (CV *)POPs)) |
510 | while (expect_true (cv = (CV *)POPs)) |
417 | { |
511 | { |
… | |
… | |
452 | |
546 | |
453 | if (expect_true (CvDEPTH (cv))) |
547 | if (expect_true (CvDEPTH (cv))) |
454 | { |
548 | { |
455 | EXTEND (SP, 3); |
549 | EXTEND (SP, 3); |
456 | PUSHs ((SV *)CvPADLIST (cv)); |
550 | PUSHs ((SV *)CvPADLIST (cv)); |
457 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
551 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
458 | PUSHs ((SV *)cv); |
552 | PUSHs ((SV *)cv); |
459 | |
553 | |
460 | CvDEPTH (cv) = 0; |
554 | CvDEPTH (cv) = 0; |
461 | get_padlist (aTHX_ cv); |
555 | get_padlist (aTHX_ cv); |
462 | } |
556 | } |
… | |
… | |
472 | } |
566 | } |
473 | |
567 | |
474 | PUTBACK; |
568 | PUTBACK; |
475 | } |
569 | } |
476 | |
570 | |
|
|
571 | /* allocate some space on the context stack for our purposes */ |
|
|
572 | /* we manually unroll here, as usually 2 slots is enough */ |
|
|
573 | if (SLOT_COUNT >= 1) CXINC; |
|
|
574 | if (SLOT_COUNT >= 2) CXINC; |
|
|
575 | if (SLOT_COUNT >= 3) CXINC; |
|
|
576 | { |
|
|
577 | int i; |
|
|
578 | for (i = 3; i < SLOT_COUNT; ++i) |
|
|
579 | CXINC; |
|
|
580 | } |
|
|
581 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
582 | |
|
|
583 | c->mainstack = PL_mainstack; |
|
|
584 | |
|
|
585 | { |
|
|
586 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
|
|
587 | |
477 | c->defav = GvAV (PL_defgv); |
588 | slot->defav = GvAV (PL_defgv); |
478 | c->defsv = DEFSV; |
589 | slot->defsv = DEFSV; |
479 | c->errsv = ERRSV; |
590 | slot->errsv = ERRSV; |
480 | c->irssv_sv = GvSV (irsgv); |
591 | slot->irsgv = GvSV (irsgv); |
481 | |
592 | |
482 | #define VAR(name,type)c->name = PL_ ## name; |
593 | #define VAR(name,type) slot->name = PL_ ## name; |
483 | # include "state.h" |
594 | # include "state.h" |
484 | #undef VAR |
595 | #undef VAR |
|
|
596 | } |
485 | } |
597 | } |
486 | |
598 | |
487 | /* |
599 | /* |
488 | * allocate various perl stacks. This is an exact copy |
600 | * allocate various perl stacks. This is an exact copy |
489 | * of perl.c:init_stacks, except that it uses less memory |
601 | * of perl.c:init_stacks, except that it uses less memory |
… | |
… | |
494 | # define coro_init_stacks init_stacks |
606 | # define coro_init_stacks init_stacks |
495 | #else |
607 | #else |
496 | static void |
608 | static void |
497 | coro_init_stacks (pTHX) |
609 | coro_init_stacks (pTHX) |
498 | { |
610 | { |
499 | PL_curstackinfo = new_stackinfo(64, 6); |
611 | PL_curstackinfo = new_stackinfo(32, 8); |
500 | PL_curstackinfo->si_type = PERLSI_MAIN; |
612 | PL_curstackinfo->si_type = PERLSI_MAIN; |
501 | PL_curstack = PL_curstackinfo->si_stack; |
613 | PL_curstack = PL_curstackinfo->si_stack; |
502 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
614 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
503 | |
615 | |
504 | PL_stack_base = AvARRAY(PL_curstack); |
616 | PL_stack_base = AvARRAY(PL_curstack); |
505 | PL_stack_sp = PL_stack_base; |
617 | PL_stack_sp = PL_stack_base; |
506 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
618 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
507 | |
619 | |
508 | New(50,PL_tmps_stack,64,SV*); |
620 | New(50,PL_tmps_stack,32,SV*); |
509 | PL_tmps_floor = -1; |
621 | PL_tmps_floor = -1; |
510 | PL_tmps_ix = -1; |
622 | PL_tmps_ix = -1; |
511 | PL_tmps_max = 64; |
623 | PL_tmps_max = 32; |
512 | |
624 | |
513 | New(54,PL_markstack,16,I32); |
625 | New(54,PL_markstack,16,I32); |
514 | PL_markstack_ptr = PL_markstack; |
626 | PL_markstack_ptr = PL_markstack; |
515 | PL_markstack_max = PL_markstack + 16; |
627 | PL_markstack_max = PL_markstack + 16; |
516 | |
628 | |
517 | #ifdef SET_MARK_OFFSET |
629 | #ifdef SET_MARK_OFFSET |
518 | SET_MARK_OFFSET; |
630 | SET_MARK_OFFSET; |
519 | #endif |
631 | #endif |
520 | |
632 | |
521 | New(54,PL_scopestack,16,I32); |
633 | New(54,PL_scopestack,8,I32); |
522 | PL_scopestack_ix = 0; |
634 | PL_scopestack_ix = 0; |
523 | PL_scopestack_max = 16; |
635 | PL_scopestack_max = 8; |
524 | |
636 | |
525 | New(54,PL_savestack,64,ANY); |
637 | New(54,PL_savestack,24,ANY); |
526 | PL_savestack_ix = 0; |
638 | PL_savestack_ix = 0; |
527 | PL_savestack_max = 64; |
639 | PL_savestack_max = 24; |
528 | |
640 | |
529 | #if !PERL_VERSION_ATLEAST (5,9,0) |
641 | #if !PERL_VERSION_ATLEAST (5,10,0) |
530 | New(54,PL_retstack,4,OP*); |
642 | New(54,PL_retstack,4,OP*); |
531 | PL_retstack_ix = 0; |
643 | PL_retstack_ix = 0; |
532 | PL_retstack_max = 4; |
644 | PL_retstack_max = 4; |
533 | #endif |
645 | #endif |
534 | } |
646 | } |
… | |
… | |
536 | |
648 | |
537 | /* |
649 | /* |
538 | * destroy the stacks, the callchain etc... |
650 | * destroy the stacks, the callchain etc... |
539 | */ |
651 | */ |
540 | static void |
652 | static void |
541 | coro_destroy_stacks (pTHX) |
653 | coro_destruct_stacks (pTHX) |
542 | { |
654 | { |
543 | while (PL_curstackinfo->si_next) |
655 | while (PL_curstackinfo->si_next) |
544 | PL_curstackinfo = PL_curstackinfo->si_next; |
656 | PL_curstackinfo = PL_curstackinfo->si_next; |
545 | |
657 | |
546 | while (PL_curstackinfo) |
658 | while (PL_curstackinfo) |
… | |
… | |
557 | |
669 | |
558 | Safefree (PL_tmps_stack); |
670 | Safefree (PL_tmps_stack); |
559 | Safefree (PL_markstack); |
671 | Safefree (PL_markstack); |
560 | Safefree (PL_scopestack); |
672 | Safefree (PL_scopestack); |
561 | Safefree (PL_savestack); |
673 | Safefree (PL_savestack); |
562 | #if !PERL_VERSION_ATLEAST (5,9,0) |
674 | #if !PERL_VERSION_ATLEAST (5,10,0) |
563 | Safefree (PL_retstack); |
675 | Safefree (PL_retstack); |
564 | #endif |
676 | #endif |
565 | } |
677 | } |
566 | |
678 | |
567 | static size_t |
679 | static size_t |
… | |
… | |
569 | { |
681 | { |
570 | size_t rss = sizeof (*coro); |
682 | size_t rss = sizeof (*coro); |
571 | |
683 | |
572 | if (coro->mainstack) |
684 | if (coro->mainstack) |
573 | { |
685 | { |
|
|
686 | perl_slots tmp_slot; |
|
|
687 | perl_slots *slot; |
|
|
688 | |
574 | if (coro->flags & CF_RUNNING) |
689 | if (coro->flags & CF_RUNNING) |
575 | { |
690 | { |
|
|
691 | slot = &tmp_slot; |
|
|
692 | |
576 | #define VAR(name,type)coro->name = PL_ ## name; |
693 | #define VAR(name,type) slot->name = PL_ ## name; |
577 | # include "state.h" |
694 | # include "state.h" |
578 | #undef VAR |
695 | #undef VAR |
579 | } |
696 | } |
|
|
697 | else |
|
|
698 | slot = coro->slot; |
580 | |
699 | |
|
|
700 | if (slot) |
|
|
701 | { |
581 | rss += sizeof (coro->curstackinfo); |
702 | rss += sizeof (slot->curstackinfo); |
582 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); |
|
|
583 | rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
703 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
584 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
704 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
585 | rss += coro->tmps_max * sizeof (SV *); |
705 | rss += slot->tmps_max * sizeof (SV *); |
586 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
706 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
587 | rss += coro->scopestack_max * sizeof (I32); |
707 | rss += slot->scopestack_max * sizeof (I32); |
588 | rss += coro->savestack_max * sizeof (ANY); |
708 | rss += slot->savestack_max * sizeof (ANY); |
589 | |
709 | |
590 | #if !PERL_VERSION_ATLEAST (5,9,0) |
710 | #if !PERL_VERSION_ATLEAST (5,10,0) |
591 | rss += coro->retstack_max * sizeof (OP *); |
711 | rss += slot->retstack_max * sizeof (OP *); |
592 | #endif |
712 | #endif |
|
|
713 | } |
593 | } |
714 | } |
594 | |
715 | |
595 | return rss; |
716 | return rss; |
596 | } |
717 | } |
597 | |
718 | |
598 | /** coroutine stack handling ************************************************/ |
719 | /** coroutine stack handling ************************************************/ |
|
|
720 | |
|
|
721 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
722 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
723 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
724 | |
|
|
725 | /* apparently < 5.8.8 */ |
|
|
726 | #ifndef MgPV_nolen_const |
|
|
727 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
|
|
728 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
|
|
729 | (const char*)(mg)->mg_ptr) |
|
|
730 | #endif |
|
|
731 | |
|
|
732 | /* |
|
|
733 | * This overrides the default magic get method of %SIG elements. |
|
|
734 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
|
|
735 | * and instead of tryign to save and restore the hash elements, we just provide |
|
|
736 | * readback here. |
|
|
737 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
738 | * not expecting this to actually change the hook. This is a potential problem |
|
|
739 | * when a schedule happens then, but we ignore this. |
|
|
740 | */ |
|
|
741 | static int |
|
|
742 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
|
|
743 | { |
|
|
744 | const char *s = MgPV_nolen_const (mg); |
|
|
745 | |
|
|
746 | if (*s == '_') |
|
|
747 | { |
|
|
748 | SV **svp = 0; |
|
|
749 | |
|
|
750 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
751 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
752 | |
|
|
753 | if (svp) |
|
|
754 | { |
|
|
755 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
|
|
756 | return 0; |
|
|
757 | } |
|
|
758 | } |
|
|
759 | |
|
|
760 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
|
|
761 | } |
|
|
762 | |
|
|
763 | static int |
|
|
764 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
|
|
765 | { |
|
|
766 | const char *s = MgPV_nolen_const (mg); |
|
|
767 | |
|
|
768 | if (*s == '_') |
|
|
769 | { |
|
|
770 | SV **svp = 0; |
|
|
771 | |
|
|
772 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
773 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
774 | |
|
|
775 | if (svp) |
|
|
776 | { |
|
|
777 | SV *old = *svp; |
|
|
778 | *svp = 0; |
|
|
779 | SvREFCNT_dec (old); |
|
|
780 | return 0; |
|
|
781 | } |
|
|
782 | } |
|
|
783 | |
|
|
784 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
785 | } |
|
|
786 | |
|
|
787 | static int |
|
|
788 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
|
|
789 | { |
|
|
790 | const char *s = MgPV_nolen_const (mg); |
|
|
791 | |
|
|
792 | if (*s == '_') |
|
|
793 | { |
|
|
794 | SV **svp = 0; |
|
|
795 | |
|
|
796 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
797 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
798 | |
|
|
799 | if (svp) |
|
|
800 | { |
|
|
801 | SV *old = *svp; |
|
|
802 | *svp = newSVsv (sv); |
|
|
803 | SvREFCNT_dec (old); |
|
|
804 | return 0; |
|
|
805 | } |
|
|
806 | } |
|
|
807 | |
|
|
808 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
809 | } |
599 | |
810 | |
600 | static void |
811 | static void |
601 | coro_setup (pTHX_ struct coro *coro) |
812 | coro_setup (pTHX_ struct coro *coro) |
602 | { |
813 | { |
603 | /* |
814 | /* |
… | |
… | |
612 | PL_curpm = 0; |
823 | PL_curpm = 0; |
613 | PL_curpad = 0; |
824 | PL_curpad = 0; |
614 | PL_localizing = 0; |
825 | PL_localizing = 0; |
615 | PL_dirty = 0; |
826 | PL_dirty = 0; |
616 | PL_restartop = 0; |
827 | PL_restartop = 0; |
|
|
828 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
829 | PL_parser = 0; |
|
|
830 | #endif |
|
|
831 | |
|
|
832 | /* recreate the die/warn hooks */ |
|
|
833 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
|
|
834 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
617 | |
835 | |
618 | GvSV (PL_defgv) = newSV (0); |
836 | GvSV (PL_defgv) = newSV (0); |
619 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
837 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
620 | GvSV (PL_errgv) = newSV (0); |
838 | GvSV (PL_errgv) = newSV (0); |
621 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
839 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
622 | PL_rs = newSVsv (GvSV (irsgv)); |
840 | PL_rs = newSVsv (GvSV (irsgv)); |
623 | PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv); |
841 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
624 | |
842 | |
625 | { |
843 | { |
626 | dSP; |
844 | dSP; |
627 | LOGOP myop; |
845 | UNOP myop; |
628 | |
846 | |
629 | Zero (&myop, 1, LOGOP); |
847 | Zero (&myop, 1, UNOP); |
630 | myop.op_next = Nullop; |
848 | myop.op_next = Nullop; |
631 | myop.op_flags = OPf_WANT_VOID; |
849 | myop.op_flags = OPf_WANT_VOID; |
632 | |
850 | |
633 | PUSHMARK (SP); |
851 | PUSHMARK (SP); |
634 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
852 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
… | |
… | |
636 | PL_op = (OP *)&myop; |
854 | PL_op = (OP *)&myop; |
637 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
855 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
638 | SPAGAIN; |
856 | SPAGAIN; |
639 | } |
857 | } |
640 | |
858 | |
641 | ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */ |
859 | /* this newly created coroutine might be run on an existing cctx which most |
|
|
860 | * likely was suspended in set_stacklevel, called from entersub. |
|
|
861 | * set_stacklevl doesn't do anything on return, but entersub does LEAVE, |
|
|
862 | * so we ENTER here for symmetry. |
|
|
863 | */ |
|
|
864 | ENTER; |
642 | } |
865 | } |
643 | |
866 | |
644 | static void |
867 | static void |
645 | coro_destroy (pTHX_ struct coro *coro) |
868 | coro_destruct (pTHX_ struct coro *coro) |
646 | { |
869 | { |
647 | if (!IN_DESTRUCT) |
870 | if (!IN_DESTRUCT) |
648 | { |
871 | { |
649 | /* restore all saved variables and stuff */ |
872 | /* restore all saved variables and stuff */ |
650 | LEAVE_SCOPE (0); |
873 | LEAVE_SCOPE (0); |
… | |
… | |
666 | SvREFCNT_dec (GvSV (PL_errgv)); |
889 | SvREFCNT_dec (GvSV (PL_errgv)); |
667 | SvREFCNT_dec (PL_defoutgv); |
890 | SvREFCNT_dec (PL_defoutgv); |
668 | SvREFCNT_dec (PL_rs); |
891 | SvREFCNT_dec (PL_rs); |
669 | SvREFCNT_dec (GvSV (irsgv)); |
892 | SvREFCNT_dec (GvSV (irsgv)); |
670 | |
893 | |
|
|
894 | SvREFCNT_dec (PL_diehook); |
|
|
895 | SvREFCNT_dec (PL_warnhook); |
|
|
896 | |
671 | SvREFCNT_dec (coro->saved_deffh); |
897 | SvREFCNT_dec (coro->saved_deffh); |
672 | SvREFCNT_dec (coro->throw); |
898 | SvREFCNT_dec (coro->throw); |
673 | |
899 | |
674 | coro_destroy_stacks (aTHX); |
900 | coro_destruct_stacks (aTHX); |
675 | } |
901 | } |
676 | |
902 | |
677 | static void |
903 | static void |
678 | free_coro_mortal (pTHX) |
904 | free_coro_mortal (pTHX) |
679 | { |
905 | { |
… | |
… | |
716 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
942 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
717 | : bot; |
943 | : bot; |
718 | |
944 | |
719 | av_extend (av, top - bot); |
945 | av_extend (av, top - bot); |
720 | while (bot < top) |
946 | while (bot < top) |
721 | av_push (av, SvREFCNT_inc (*bot++)); |
947 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
722 | |
948 | |
723 | PL_runops = RUNOPS_DEFAULT; |
949 | PL_runops = RUNOPS_DEFAULT; |
724 | ENTER; |
950 | ENTER; |
725 | SAVETMPS; |
951 | SAVETMPS; |
726 | EXTEND (SP, 3); |
952 | EXTEND (SP, 3); |
… | |
… | |
764 | SAVETMPS; |
990 | SAVETMPS; |
765 | EXTEND (SP, 3); |
991 | EXTEND (SP, 3); |
766 | PUSHMARK (SP); |
992 | PUSHMARK (SP); |
767 | PUSHs (&PL_sv_yes); |
993 | PUSHs (&PL_sv_yes); |
768 | PUSHs (fullname); |
994 | PUSHs (fullname); |
769 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
995 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
770 | PUTBACK; |
996 | PUTBACK; |
771 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
997 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
772 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
998 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
773 | SPAGAIN; |
999 | SPAGAIN; |
774 | FREETMPS; |
1000 | FREETMPS; |
… | |
… | |
806 | |
1032 | |
807 | TAINT_NOT; |
1033 | TAINT_NOT; |
808 | return 0; |
1034 | return 0; |
809 | } |
1035 | } |
810 | |
1036 | |
|
|
1037 | static void |
|
|
1038 | prepare_set_stacklevel (struct transfer_args *ta, struct coro_cctx *cctx) |
|
|
1039 | { |
|
|
1040 | ta->prev = (struct coro *)cctx; |
|
|
1041 | ta->next = 0; |
|
|
1042 | } |
|
|
1043 | |
811 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
1044 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
812 | /* _cctx_init should be careful, as it could be called at almost any time */ |
1045 | /* _cctx_init should be careful, as it could be called at almost any time */ |
813 | /* during execution of a perl program */ |
1046 | /* during execution of a perl program */ |
|
|
1047 | /* also initialises PL_top_env */ |
814 | static void NOINLINE |
1048 | static void NOINLINE |
815 | prepare_cctx (pTHX_ coro_cctx *cctx) |
1049 | cctx_prepare (pTHX_ coro_cctx *cctx) |
816 | { |
1050 | { |
817 | dSP; |
1051 | dSP; |
818 | LOGOP myop; |
1052 | UNOP myop; |
819 | |
1053 | |
820 | PL_top_env = &PL_start_env; |
1054 | PL_top_env = &PL_start_env; |
821 | |
1055 | |
822 | if (cctx->flags & CC_TRACE) |
1056 | if (cctx->flags & CC_TRACE) |
823 | PL_runops = runops_trace; |
1057 | PL_runops = runops_trace; |
824 | |
1058 | |
825 | Zero (&myop, 1, LOGOP); |
1059 | Zero (&myop, 1, UNOP); |
826 | myop.op_next = PL_op; |
1060 | myop.op_next = PL_op; |
827 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
1061 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
828 | |
1062 | |
829 | PUSHMARK (SP); |
1063 | PUSHMARK (SP); |
830 | EXTEND (SP, 2); |
1064 | EXTEND (SP, 2); |
831 | PUSHs (sv_2mortal (newSViv (PTR2IV (cctx)))); |
1065 | PUSHs (sv_2mortal (newSViv ((IV)cctx))); |
832 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
1066 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
833 | PUTBACK; |
1067 | PUTBACK; |
834 | PL_op = (OP *)&myop; |
1068 | PL_op = (OP *)&myop; |
835 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1069 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
836 | SPAGAIN; |
1070 | SPAGAIN; |
837 | } |
1071 | } |
838 | |
1072 | |
|
|
1073 | /* the tail of transfer: execute stuff we can onyl do afetr a transfer */ |
|
|
1074 | static void |
|
|
1075 | transfer_tail (void) |
|
|
1076 | { |
|
|
1077 | struct coro *next = (struct coro *)transfer_next; |
|
|
1078 | transfer_next = 0; //D for temporary assertion in transfer |
|
|
1079 | assert (("FATAL ERROR: internal error 1067 in Coro module, please report", next));//D |
|
|
1080 | |
|
|
1081 | free_coro_mortal (aTHX); |
|
|
1082 | UNLOCK; |
|
|
1083 | |
|
|
1084 | if (expect_false (next->throw)) |
|
|
1085 | { |
|
|
1086 | SV *exception = sv_2mortal (next->throw); |
|
|
1087 | |
|
|
1088 | next->throw = 0; |
|
|
1089 | sv_setsv (ERRSV, exception); |
|
|
1090 | croak (0); |
|
|
1091 | } |
|
|
1092 | } |
|
|
1093 | |
839 | /* |
1094 | /* |
840 | * this is a _very_ stripped down perl interpreter ;) |
1095 | * this is a _very_ stripped down perl interpreter ;) |
841 | */ |
1096 | */ |
842 | static void |
1097 | static void |
843 | coro_run (void *arg) |
1098 | cctx_run (void *arg) |
844 | { |
1099 | { |
|
|
1100 | #ifdef USE_ITHREADS |
|
|
1101 | # if CORO_PTHREAD |
|
|
1102 | PERL_SET_CONTEXT (coro_thx); |
|
|
1103 | # endif |
|
|
1104 | #endif |
|
|
1105 | { |
845 | dTHX; |
1106 | dTHX; |
846 | |
1107 | |
847 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
1108 | /* entersub called ENTER, but we never 'returned', undo that here */ |
848 | UNLOCK; |
1109 | LEAVE; |
849 | |
1110 | |
850 | /* we now skip the entersub that lead to transfer() */ |
1111 | /* we now skip the entersub that did lead to transfer() */ |
851 | PL_op = PL_op->op_next; |
1112 | PL_op = PL_op->op_next; |
852 | |
1113 | |
853 | /* inject a fake subroutine call to cctx_init */ |
1114 | /* inject a fake subroutine call to cctx_init */ |
854 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
1115 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
855 | |
1116 | |
|
|
1117 | /* cctx_run is the alternative tail of transfer() */ |
|
|
1118 | transfer_tail (); |
|
|
1119 | |
856 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1120 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
857 | PL_restartop = PL_op; |
1121 | PL_restartop = PL_op; |
858 | perl_run (PL_curinterp); |
1122 | perl_run (PL_curinterp); |
859 | |
1123 | |
860 | /* |
1124 | /* |
861 | * If perl-run returns we assume exit() was being called or the coro |
1125 | * If perl-run returns we assume exit() was being called or the coro |
862 | * fell off the end, which seems to be the only valid (non-bug) |
1126 | * fell off the end, which seems to be the only valid (non-bug) |
863 | * reason for perl_run to return. We try to exit by jumping to the |
1127 | * reason for perl_run to return. We try to exit by jumping to the |
864 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1128 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
865 | * coroutine as Coro has no such concept |
1129 | * coroutine as Coro has no such concept |
866 | */ |
1130 | */ |
867 | PL_top_env = main_top_env; |
1131 | PL_top_env = main_top_env; |
868 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1132 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1133 | } |
869 | } |
1134 | } |
870 | |
1135 | |
871 | static coro_cctx * |
1136 | static coro_cctx * |
872 | cctx_new () |
1137 | cctx_new () |
873 | { |
1138 | { |
874 | coro_cctx *cctx; |
1139 | coro_cctx *cctx; |
|
|
1140 | |
|
|
1141 | ++cctx_count; |
|
|
1142 | New (0, cctx, 1, coro_cctx); |
|
|
1143 | |
|
|
1144 | cctx->gen = cctx_gen; |
|
|
1145 | cctx->flags = 0; |
|
|
1146 | cctx->idle_sp = 0; /* can be accessed by transfer between cctx_run and set_stacklevel, on throw */ |
|
|
1147 | |
|
|
1148 | return cctx; |
|
|
1149 | } |
|
|
1150 | |
|
|
1151 | /* create a new cctx only suitable as source */ |
|
|
1152 | static coro_cctx * |
|
|
1153 | cctx_new_empty () |
|
|
1154 | { |
|
|
1155 | coro_cctx *cctx = cctx_new (); |
|
|
1156 | |
|
|
1157 | cctx->sptr = 0; |
|
|
1158 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
|
|
1159 | |
|
|
1160 | return cctx; |
|
|
1161 | } |
|
|
1162 | |
|
|
1163 | /* create a new cctx suitable as destination/running a perl interpreter */ |
|
|
1164 | static coro_cctx * |
|
|
1165 | cctx_new_run () |
|
|
1166 | { |
|
|
1167 | coro_cctx *cctx = cctx_new (); |
875 | void *stack_start; |
1168 | void *stack_start; |
876 | size_t stack_size; |
1169 | size_t stack_size; |
877 | |
1170 | |
878 | ++cctx_count; |
|
|
879 | |
|
|
880 | Newz (0, cctx, 1, coro_cctx); |
|
|
881 | |
|
|
882 | #if HAVE_MMAP |
1171 | #if HAVE_MMAP |
883 | |
|
|
884 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1172 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
885 | /* mmap supposedly does allocate-on-write for us */ |
1173 | /* mmap supposedly does allocate-on-write for us */ |
886 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1174 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
887 | |
1175 | |
888 | if (cctx->sptr != (void *)-1) |
1176 | if (cctx->sptr != (void *)-1) |
889 | { |
1177 | { |
… | |
… | |
895 | cctx->flags |= CC_MAPPED; |
1183 | cctx->flags |= CC_MAPPED; |
896 | } |
1184 | } |
897 | else |
1185 | else |
898 | #endif |
1186 | #endif |
899 | { |
1187 | { |
900 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
1188 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
901 | New (0, cctx->sptr, coro_stacksize, long); |
1189 | New (0, cctx->sptr, cctx_stacksize, long); |
902 | |
1190 | |
903 | if (!cctx->sptr) |
1191 | if (!cctx->sptr) |
904 | { |
1192 | { |
905 | perror ("FATAL: unable to allocate stack for coroutine"); |
1193 | perror ("FATAL: unable to allocate stack for coroutine"); |
906 | _exit (EXIT_FAILURE); |
1194 | _exit (EXIT_FAILURE); |
… | |
… | |
909 | stack_start = cctx->sptr; |
1197 | stack_start = cctx->sptr; |
910 | stack_size = cctx->ssize; |
1198 | stack_size = cctx->ssize; |
911 | } |
1199 | } |
912 | |
1200 | |
913 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
1201 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
914 | coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size); |
1202 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
915 | |
1203 | |
916 | return cctx; |
1204 | return cctx; |
917 | } |
1205 | } |
918 | |
1206 | |
919 | static void |
1207 | static void |
… | |
… | |
921 | { |
1209 | { |
922 | if (!cctx) |
1210 | if (!cctx) |
923 | return; |
1211 | return; |
924 | |
1212 | |
925 | --cctx_count; |
1213 | --cctx_count; |
|
|
1214 | coro_destroy (&cctx->cctx); |
926 | |
1215 | |
|
|
1216 | /* coro_transfer creates new, empty cctx's */ |
|
|
1217 | if (cctx->sptr) |
|
|
1218 | { |
927 | #if CORO_USE_VALGRIND |
1219 | #if CORO_USE_VALGRIND |
928 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
1220 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
929 | #endif |
1221 | #endif |
930 | |
1222 | |
931 | #if HAVE_MMAP |
1223 | #if HAVE_MMAP |
932 | if (cctx->flags & CC_MAPPED) |
1224 | if (cctx->flags & CC_MAPPED) |
933 | munmap (cctx->sptr, cctx->ssize); |
1225 | munmap (cctx->sptr, cctx->ssize); |
934 | else |
1226 | else |
935 | #endif |
1227 | #endif |
936 | Safefree (cctx->sptr); |
1228 | Safefree (cctx->sptr); |
|
|
1229 | } |
937 | |
1230 | |
938 | Safefree (cctx); |
1231 | Safefree (cctx); |
939 | } |
1232 | } |
940 | |
1233 | |
941 | /* wether this cctx should be destructed */ |
1234 | /* wether this cctx should be destructed */ |
942 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
1235 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
943 | |
1236 | |
944 | static coro_cctx * |
1237 | static coro_cctx * |
945 | cctx_get (pTHX) |
1238 | cctx_get (pTHX) |
946 | { |
1239 | { |
947 | while (expect_true (cctx_first)) |
1240 | while (expect_true (cctx_first)) |
… | |
… | |
954 | return cctx; |
1247 | return cctx; |
955 | |
1248 | |
956 | cctx_destroy (cctx); |
1249 | cctx_destroy (cctx); |
957 | } |
1250 | } |
958 | |
1251 | |
959 | return cctx_new (); |
1252 | return cctx_new_run (); |
960 | } |
1253 | } |
961 | |
1254 | |
962 | static void |
1255 | static void |
963 | cctx_put (coro_cctx *cctx) |
1256 | cctx_put (coro_cctx *cctx) |
964 | { |
1257 | { |
|
|
1258 | assert (("cctx_put called on non-initialised cctx", cctx->sptr)); |
|
|
1259 | |
965 | /* free another cctx if overlimit */ |
1260 | /* free another cctx if overlimit */ |
966 | if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) |
1261 | if (expect_false (cctx_idle >= cctx_max_idle)) |
967 | { |
1262 | { |
968 | coro_cctx *first = cctx_first; |
1263 | coro_cctx *first = cctx_first; |
969 | cctx_first = first->next; |
1264 | cctx_first = first->next; |
970 | --cctx_idle; |
1265 | --cctx_idle; |
971 | |
1266 | |
… | |
… | |
991 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1286 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
992 | |
1287 | |
993 | if (expect_false (next->flags & CF_DESTROYED)) |
1288 | if (expect_false (next->flags & CF_DESTROYED)) |
994 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1289 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
995 | |
1290 | |
|
|
1291 | #if !PERL_VERSION_ATLEAST (5,10,0) |
996 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1292 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
997 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
1293 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version"); |
|
|
1294 | #endif |
998 | } |
1295 | } |
999 | } |
1296 | } |
1000 | |
1297 | |
1001 | /* always use the TRANSFER macro */ |
1298 | /* always use the TRANSFER macro */ |
1002 | static void NOINLINE |
1299 | static void NOINLINE |
1003 | transfer (pTHX_ struct coro *prev, struct coro *next) |
1300 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1004 | { |
1301 | { |
1005 | dSTACKLEVEL; |
1302 | dSTACKLEVEL; |
1006 | |
1303 | |
1007 | /* sometimes transfer is only called to set idle_sp */ |
1304 | /* sometimes transfer is only called to set idle_sp */ |
1008 | if (expect_false (!next)) |
1305 | if (expect_false (!next)) |
… | |
… | |
1014 | { |
1311 | { |
1015 | coro_cctx *prev__cctx; |
1312 | coro_cctx *prev__cctx; |
1016 | |
1313 | |
1017 | if (expect_false (prev->flags & CF_NEW)) |
1314 | if (expect_false (prev->flags & CF_NEW)) |
1018 | { |
1315 | { |
1019 | /* create a new empty context */ |
1316 | /* create a new empty/source context */ |
1020 | Newz (0, prev->cctx, 1, coro_cctx); |
1317 | prev->cctx = cctx_new_empty (); |
1021 | prev->flags &= ~CF_NEW; |
1318 | prev->flags &= ~CF_NEW; |
1022 | prev->flags |= CF_RUNNING; |
1319 | prev->flags |= CF_RUNNING; |
1023 | } |
1320 | } |
1024 | |
1321 | |
1025 | prev->flags &= ~CF_RUNNING; |
1322 | prev->flags &= ~CF_RUNNING; |
1026 | next->flags |= CF_RUNNING; |
1323 | next->flags |= CF_RUNNING; |
1027 | |
1324 | |
1028 | LOCK; |
1325 | LOCK; |
|
|
1326 | |
|
|
1327 | /* first get rid of the old state */ |
|
|
1328 | save_perl (aTHX_ prev); |
1029 | |
1329 | |
1030 | if (expect_false (next->flags & CF_NEW)) |
1330 | if (expect_false (next->flags & CF_NEW)) |
1031 | { |
1331 | { |
1032 | /* need to start coroutine */ |
1332 | /* need to start coroutine */ |
1033 | next->flags &= ~CF_NEW; |
1333 | next->flags &= ~CF_NEW; |
1034 | /* first get rid of the old state */ |
|
|
1035 | save_perl (aTHX_ prev); |
|
|
1036 | /* setup coroutine call */ |
1334 | /* setup coroutine call */ |
1037 | coro_setup (aTHX_ next); |
1335 | coro_setup (aTHX_ next); |
1038 | } |
1336 | } |
1039 | else |
1337 | else |
1040 | { |
|
|
1041 | /* coroutine already started */ |
|
|
1042 | save_perl (aTHX_ prev); |
|
|
1043 | load_perl (aTHX_ next); |
1338 | load_perl (aTHX_ next); |
1044 | } |
|
|
1045 | |
1339 | |
1046 | prev__cctx = prev->cctx; |
1340 | prev__cctx = prev->cctx; |
1047 | |
1341 | |
1048 | /* possibly "free" the cctx */ |
1342 | /* possibly "free" the cctx */ |
1049 | if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) |
1343 | if (expect_true ( |
|
|
1344 | prev__cctx->idle_sp == STACKLEVEL |
|
|
1345 | && !(prev__cctx->flags & CC_TRACE) |
|
|
1346 | && !force_cctx |
|
|
1347 | )) |
1050 | { |
1348 | { |
1051 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1349 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1052 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1350 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1053 | |
1351 | |
1054 | prev->cctx = 0; |
1352 | prev->cctx = 0; |
1055 | |
1353 | |
1056 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1354 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1057 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1355 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1058 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1356 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
|
|
1357 | if (!next->cctx) |
1059 | next->cctx = cctx_get (aTHX); |
1358 | next->cctx = cctx_get (aTHX); |
1060 | |
1359 | |
1061 | cctx_put (prev__cctx); |
1360 | cctx_put (prev__cctx); |
1062 | } |
1361 | } |
1063 | |
1362 | |
1064 | ++next->usecount; |
1363 | ++next->usecount; |
1065 | |
1364 | |
1066 | if (expect_true (!next->cctx)) |
1365 | if (expect_true (!next->cctx)) |
1067 | next->cctx = cctx_get (aTHX); |
1366 | next->cctx = cctx_get (aTHX); |
|
|
1367 | |
|
|
1368 | assert (("FATAL ERROR: internal error 1352 in Coro, please report", !transfer_next));//D |
|
|
1369 | transfer_next = next; |
1068 | |
1370 | |
1069 | if (expect_false (prev__cctx != next->cctx)) |
1371 | if (expect_false (prev__cctx != next->cctx)) |
1070 | { |
1372 | { |
1071 | prev__cctx->top_env = PL_top_env; |
1373 | prev__cctx->top_env = PL_top_env; |
1072 | PL_top_env = next->cctx->top_env; |
1374 | PL_top_env = next->cctx->top_env; |
1073 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1375 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1074 | } |
1376 | } |
1075 | |
1377 | |
1076 | free_coro_mortal (aTHX); |
1378 | transfer_tail (); |
1077 | UNLOCK; |
|
|
1078 | |
|
|
1079 | if (expect_false (prev->throw || next->throw)) |
|
|
1080 | { |
|
|
1081 | struct coro *coro = SvSTATE (coro_current); |
|
|
1082 | |
|
|
1083 | if (coro->throw) |
|
|
1084 | { |
|
|
1085 | SV *exception = coro->throw; |
|
|
1086 | coro->throw = 0; |
|
|
1087 | sv_setsv (ERRSV, exception); |
|
|
1088 | croak (0); |
|
|
1089 | } |
|
|
1090 | } |
|
|
1091 | } |
1379 | } |
1092 | } |
1380 | } |
1093 | |
1381 | |
1094 | struct transfer_args |
|
|
1095 | { |
|
|
1096 | struct coro *prev, *next; |
|
|
1097 | }; |
|
|
1098 | |
|
|
1099 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
1382 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1100 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1383 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1101 | |
1384 | |
1102 | /** high level stuff ********************************************************/ |
1385 | /** high level stuff ********************************************************/ |
1103 | |
1386 | |
1104 | static int |
1387 | static int |
… | |
… | |
1128 | croak ("FATAL: tried to destroy currently running coroutine"); |
1411 | croak ("FATAL: tried to destroy currently running coroutine"); |
1129 | |
1412 | |
1130 | save_perl (aTHX_ &temp); |
1413 | save_perl (aTHX_ &temp); |
1131 | load_perl (aTHX_ coro); |
1414 | load_perl (aTHX_ coro); |
1132 | |
1415 | |
1133 | coro_destroy (aTHX_ coro); |
1416 | coro_destruct (aTHX_ coro); |
1134 | |
1417 | |
1135 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
1418 | load_perl (aTHX_ &temp); |
1136 | |
1419 | |
1137 | coro->mainstack = 0; |
1420 | coro->slot = 0; |
1138 | } |
1421 | } |
1139 | |
1422 | |
1140 | cctx_destroy (coro->cctx); |
1423 | cctx_destroy (coro->cctx); |
1141 | SvREFCNT_dec (coro->args); |
1424 | SvREFCNT_dec (coro->args); |
1142 | |
1425 | |
… | |
… | |
1198 | { |
1481 | { |
1199 | dTHX; |
1482 | dTHX; |
1200 | struct transfer_args ta; |
1483 | struct transfer_args ta; |
1201 | |
1484 | |
1202 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1485 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1203 | TRANSFER (ta); |
1486 | TRANSFER (ta, 1); |
1204 | } |
1487 | } |
1205 | |
1488 | |
1206 | /** Coro ********************************************************************/ |
1489 | /** Coro ********************************************************************/ |
1207 | |
1490 | |
1208 | static void |
1491 | static void |
… | |
… | |
1210 | { |
1493 | { |
1211 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1494 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1212 | } |
1495 | } |
1213 | |
1496 | |
1214 | static SV * |
1497 | static SV * |
1215 | coro_deq (pTHX_ int min_prio) |
1498 | coro_deq (pTHX) |
1216 | { |
1499 | { |
1217 | int prio = PRIO_MAX - PRIO_MIN; |
1500 | int prio; |
1218 | |
1501 | |
1219 | min_prio -= PRIO_MIN; |
|
|
1220 | if (min_prio < 0) |
|
|
1221 | min_prio = 0; |
|
|
1222 | |
|
|
1223 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) |
1502 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1224 | if (AvFILLp (coro_ready [prio]) >= 0) |
1503 | if (AvFILLp (coro_ready [prio]) >= 0) |
1225 | return av_shift (coro_ready [prio]); |
1504 | return av_shift (coro_ready [prio]); |
1226 | |
1505 | |
1227 | return 0; |
1506 | return 0; |
1228 | } |
1507 | } |
… | |
… | |
1230 | static int |
1509 | static int |
1231 | api_ready (SV *coro_sv) |
1510 | api_ready (SV *coro_sv) |
1232 | { |
1511 | { |
1233 | dTHX; |
1512 | dTHX; |
1234 | struct coro *coro; |
1513 | struct coro *coro; |
|
|
1514 | SV *sv_hook; |
|
|
1515 | void (*xs_hook)(void); |
1235 | |
1516 | |
1236 | if (SvROK (coro_sv)) |
1517 | if (SvROK (coro_sv)) |
1237 | coro_sv = SvRV (coro_sv); |
1518 | coro_sv = SvRV (coro_sv); |
1238 | |
1519 | |
1239 | coro = SvSTATE (coro_sv); |
1520 | coro = SvSTATE (coro_sv); |
… | |
… | |
1242 | return 0; |
1523 | return 0; |
1243 | |
1524 | |
1244 | coro->flags |= CF_READY; |
1525 | coro->flags |= CF_READY; |
1245 | |
1526 | |
1246 | LOCK; |
1527 | LOCK; |
|
|
1528 | |
|
|
1529 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1530 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1531 | |
1247 | coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); |
1532 | coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv)); |
1248 | ++coro_nready; |
1533 | ++coro_nready; |
|
|
1534 | |
1249 | UNLOCK; |
1535 | UNLOCK; |
|
|
1536 | |
|
|
1537 | if (sv_hook) |
|
|
1538 | { |
|
|
1539 | dSP; |
|
|
1540 | |
|
|
1541 | ENTER; |
|
|
1542 | SAVETMPS; |
|
|
1543 | |
|
|
1544 | PUSHMARK (SP); |
|
|
1545 | PUTBACK; |
|
|
1546 | call_sv (sv_hook, G_DISCARD); |
|
|
1547 | SPAGAIN; |
|
|
1548 | |
|
|
1549 | FREETMPS; |
|
|
1550 | LEAVE; |
|
|
1551 | } |
|
|
1552 | |
|
|
1553 | if (xs_hook) |
|
|
1554 | xs_hook (); |
1250 | |
1555 | |
1251 | return 1; |
1556 | return 1; |
1252 | } |
1557 | } |
1253 | |
1558 | |
1254 | static int |
1559 | static int |
… | |
… | |
1264 | SV *prev_sv, *next_sv; |
1569 | SV *prev_sv, *next_sv; |
1265 | |
1570 | |
1266 | for (;;) |
1571 | for (;;) |
1267 | { |
1572 | { |
1268 | LOCK; |
1573 | LOCK; |
1269 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1574 | next_sv = coro_deq (aTHX); |
1270 | |
1575 | |
1271 | /* nothing to schedule: call the idle handler */ |
1576 | /* nothing to schedule: call the idle handler */ |
1272 | if (expect_false (!next_sv)) |
1577 | if (expect_false (!next_sv)) |
1273 | { |
1578 | { |
1274 | dSP; |
1579 | dSP; |
… | |
… | |
1278 | SAVETMPS; |
1583 | SAVETMPS; |
1279 | |
1584 | |
1280 | PUSHMARK (SP); |
1585 | PUSHMARK (SP); |
1281 | PUTBACK; |
1586 | PUTBACK; |
1282 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
1587 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
|
|
1588 | SPAGAIN; |
1283 | |
1589 | |
1284 | FREETMPS; |
1590 | FREETMPS; |
1285 | LEAVE; |
1591 | LEAVE; |
1286 | continue; |
1592 | continue; |
1287 | } |
1593 | } |
… | |
… | |
1291 | /* cannot transfer to destroyed coros, skip and look for next */ |
1597 | /* cannot transfer to destroyed coros, skip and look for next */ |
1292 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1598 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1293 | { |
1599 | { |
1294 | UNLOCK; |
1600 | UNLOCK; |
1295 | SvREFCNT_dec (next_sv); |
1601 | SvREFCNT_dec (next_sv); |
1296 | /* coro_nready is already taken care of by destroy */ |
1602 | /* coro_nready has already been taken care of by destroy */ |
1297 | continue; |
1603 | continue; |
1298 | } |
1604 | } |
1299 | |
1605 | |
1300 | --coro_nready; |
1606 | --coro_nready; |
1301 | UNLOCK; |
1607 | UNLOCK; |
… | |
… | |
1342 | { |
1648 | { |
1343 | dTHX; |
1649 | dTHX; |
1344 | struct transfer_args ta; |
1650 | struct transfer_args ta; |
1345 | |
1651 | |
1346 | prepare_schedule (aTHX_ &ta); |
1652 | prepare_schedule (aTHX_ &ta); |
1347 | TRANSFER (ta); |
1653 | TRANSFER (ta, 1); |
1348 | } |
1654 | } |
1349 | |
1655 | |
1350 | static int |
1656 | static int |
1351 | api_cede (void) |
1657 | api_cede (void) |
1352 | { |
1658 | { |
… | |
… | |
1355 | |
1661 | |
1356 | prepare_cede (aTHX_ &ta); |
1662 | prepare_cede (aTHX_ &ta); |
1357 | |
1663 | |
1358 | if (expect_true (ta.prev != ta.next)) |
1664 | if (expect_true (ta.prev != ta.next)) |
1359 | { |
1665 | { |
1360 | TRANSFER (ta); |
1666 | TRANSFER (ta, 1); |
1361 | return 1; |
1667 | return 1; |
1362 | } |
1668 | } |
1363 | else |
1669 | else |
1364 | return 0; |
1670 | return 0; |
1365 | } |
1671 | } |
… | |
… | |
1370 | dTHX; |
1676 | dTHX; |
1371 | struct transfer_args ta; |
1677 | struct transfer_args ta; |
1372 | |
1678 | |
1373 | if (prepare_cede_notself (aTHX_ &ta)) |
1679 | if (prepare_cede_notself (aTHX_ &ta)) |
1374 | { |
1680 | { |
1375 | TRANSFER (ta); |
1681 | TRANSFER (ta, 1); |
1376 | return 1; |
1682 | return 1; |
1377 | } |
1683 | } |
1378 | else |
1684 | else |
1379 | return 0; |
1685 | return 0; |
1380 | } |
1686 | } |
… | |
… | |
1386 | struct coro *coro = SvSTATE (coro_sv); |
1692 | struct coro *coro = SvSTATE (coro_sv); |
1387 | |
1693 | |
1388 | if (flags & CC_TRACE) |
1694 | if (flags & CC_TRACE) |
1389 | { |
1695 | { |
1390 | if (!coro->cctx) |
1696 | if (!coro->cctx) |
1391 | coro->cctx = cctx_new (); |
1697 | coro->cctx = cctx_new_run (); |
1392 | else if (!(coro->cctx->flags & CC_TRACE)) |
1698 | else if (!(coro->cctx->flags & CC_TRACE)) |
1393 | croak ("cannot enable tracing on coroutine with custom stack"); |
1699 | croak ("cannot enable tracing on coroutine with custom stack"); |
1394 | |
1700 | |
1395 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1701 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1396 | } |
1702 | } |
… | |
… | |
1399 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
1705 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
1400 | |
1706 | |
1401 | if (coro->flags & CF_RUNNING) |
1707 | if (coro->flags & CF_RUNNING) |
1402 | PL_runops = RUNOPS_DEFAULT; |
1708 | PL_runops = RUNOPS_DEFAULT; |
1403 | else |
1709 | else |
1404 | coro->runops = RUNOPS_DEFAULT; |
1710 | coro->slot->runops = RUNOPS_DEFAULT; |
|
|
1711 | } |
|
|
1712 | } |
|
|
1713 | |
|
|
1714 | #if 0 |
|
|
1715 | static int |
|
|
1716 | coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
1717 | { |
|
|
1718 | AV *padlist; |
|
|
1719 | AV *av = (AV *)mg->mg_obj; |
|
|
1720 | |
|
|
1721 | abort (); |
|
|
1722 | |
|
|
1723 | return 0; |
|
|
1724 | } |
|
|
1725 | |
|
|
1726 | static MGVTBL coro_gensub_vtbl = { |
|
|
1727 | 0, 0, 0, 0, |
|
|
1728 | coro_gensub_free |
|
|
1729 | }; |
|
|
1730 | #endif |
|
|
1731 | |
|
|
1732 | /*****************************************************************************/ |
|
|
1733 | /* PerlIO::cede */ |
|
|
1734 | |
|
|
1735 | typedef struct |
|
|
1736 | { |
|
|
1737 | PerlIOBuf base; |
|
|
1738 | NV next, every; |
|
|
1739 | } PerlIOCede; |
|
|
1740 | |
|
|
1741 | static IV |
|
|
1742 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
|
|
1743 | { |
|
|
1744 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1745 | |
|
|
1746 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
|
|
1747 | self->next = nvtime () + self->every; |
|
|
1748 | |
|
|
1749 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
|
|
1750 | } |
|
|
1751 | |
|
|
1752 | static SV * |
|
|
1753 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
|
|
1754 | { |
|
|
1755 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1756 | |
|
|
1757 | return newSVnv (self->every); |
|
|
1758 | } |
|
|
1759 | |
|
|
1760 | static IV |
|
|
1761 | PerlIOCede_flush (pTHX_ PerlIO *f) |
|
|
1762 | { |
|
|
1763 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1764 | double now = nvtime (); |
|
|
1765 | |
|
|
1766 | if (now >= self->next) |
1405 | } |
1767 | { |
|
|
1768 | api_cede (); |
|
|
1769 | self->next = now + self->every; |
|
|
1770 | } |
|
|
1771 | |
|
|
1772 | return PerlIOBuf_flush (aTHX_ f); |
1406 | } |
1773 | } |
|
|
1774 | |
|
|
1775 | static PerlIO_funcs PerlIO_cede = |
|
|
1776 | { |
|
|
1777 | sizeof(PerlIO_funcs), |
|
|
1778 | "cede", |
|
|
1779 | sizeof(PerlIOCede), |
|
|
1780 | PERLIO_K_DESTRUCT | PERLIO_K_RAW, |
|
|
1781 | PerlIOCede_pushed, |
|
|
1782 | PerlIOBuf_popped, |
|
|
1783 | PerlIOBuf_open, |
|
|
1784 | PerlIOBase_binmode, |
|
|
1785 | PerlIOCede_getarg, |
|
|
1786 | PerlIOBase_fileno, |
|
|
1787 | PerlIOBuf_dup, |
|
|
1788 | PerlIOBuf_read, |
|
|
1789 | PerlIOBuf_unread, |
|
|
1790 | PerlIOBuf_write, |
|
|
1791 | PerlIOBuf_seek, |
|
|
1792 | PerlIOBuf_tell, |
|
|
1793 | PerlIOBuf_close, |
|
|
1794 | PerlIOCede_flush, |
|
|
1795 | PerlIOBuf_fill, |
|
|
1796 | PerlIOBase_eof, |
|
|
1797 | PerlIOBase_error, |
|
|
1798 | PerlIOBase_clearerr, |
|
|
1799 | PerlIOBase_setlinebuf, |
|
|
1800 | PerlIOBuf_get_base, |
|
|
1801 | PerlIOBuf_bufsiz, |
|
|
1802 | PerlIOBuf_get_ptr, |
|
|
1803 | PerlIOBuf_get_cnt, |
|
|
1804 | PerlIOBuf_set_ptrcnt, |
|
|
1805 | }; |
|
|
1806 | |
1407 | |
1807 | |
1408 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1808 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1409 | |
1809 | |
1410 | PROTOTYPES: DISABLE |
1810 | PROTOTYPES: DISABLE |
1411 | |
1811 | |
1412 | BOOT: |
1812 | BOOT: |
1413 | { |
1813 | { |
1414 | #ifdef USE_ITHREADS |
1814 | #ifdef USE_ITHREADS |
1415 | MUTEX_INIT (&coro_mutex); |
1815 | MUTEX_INIT (&coro_lock); |
|
|
1816 | # if CORO_PTHREAD |
|
|
1817 | coro_thx = PERL_GET_CONTEXT; |
|
|
1818 | # endif |
1416 | #endif |
1819 | #endif |
1417 | BOOT_PAGESIZE; |
1820 | BOOT_PAGESIZE; |
1418 | |
1821 | |
1419 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1822 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1420 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
1823 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
|
|
1824 | |
|
|
1825 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
|
|
1826 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
|
|
1827 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
|
|
1828 | |
|
|
1829 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
1830 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
|
|
1831 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
1421 | |
1832 | |
1422 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1833 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1423 | |
1834 | |
1424 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1835 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1425 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1836 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
… | |
… | |
1430 | main_top_env = PL_top_env; |
1841 | main_top_env = PL_top_env; |
1431 | |
1842 | |
1432 | while (main_top_env->je_prev) |
1843 | while (main_top_env->je_prev) |
1433 | main_top_env = main_top_env->je_prev; |
1844 | main_top_env = main_top_env->je_prev; |
1434 | |
1845 | |
1435 | coroapi.ver = CORO_API_VERSION; |
1846 | coroapi.ver = CORO_API_VERSION; |
|
|
1847 | coroapi.rev = CORO_API_REVISION; |
1436 | coroapi.transfer = api_transfer; |
1848 | coroapi.transfer = api_transfer; |
|
|
1849 | |
|
|
1850 | { |
|
|
1851 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
1852 | |
|
|
1853 | if (!svp) croak ("Time::HiRes is required"); |
|
|
1854 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
1855 | |
|
|
1856 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
1857 | } |
1437 | |
1858 | |
1438 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1859 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1439 | } |
1860 | } |
1440 | |
1861 | |
1441 | SV * |
1862 | SV * |
1442 | new (char *klass, ...) |
1863 | new (char *klass, ...) |
1443 | CODE: |
1864 | CODE: |
1444 | { |
1865 | { |
1445 | struct coro *coro; |
1866 | struct coro *coro; |
|
|
1867 | MAGIC *mg; |
1446 | HV *hv; |
1868 | HV *hv; |
1447 | int i; |
1869 | int i; |
1448 | |
1870 | |
1449 | Newz (0, coro, 1, struct coro); |
1871 | Newz (0, coro, 1, struct coro); |
1450 | coro->args = newAV (); |
1872 | coro->args = newAV (); |
… | |
… | |
1453 | if (coro_first) coro_first->prev = coro; |
1875 | if (coro_first) coro_first->prev = coro; |
1454 | coro->next = coro_first; |
1876 | coro->next = coro_first; |
1455 | coro_first = coro; |
1877 | coro_first = coro; |
1456 | |
1878 | |
1457 | coro->hv = hv = newHV (); |
1879 | coro->hv = hv = newHV (); |
1458 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1880 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
1881 | mg->mg_flags |= MGf_DUP; |
1459 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1882 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1460 | |
1883 | |
1461 | av_extend (coro->args, items - 1); |
1884 | av_extend (coro->args, items - 1); |
1462 | for (i = 1; i < items; i++) |
1885 | for (i = 1; i < items; i++) |
1463 | av_push (coro->args, newSVsv (ST (i))); |
1886 | av_push (coro->args, newSVsv (ST (i))); |
… | |
… | |
1477 | Coro::cede_notself = 4 |
1900 | Coro::cede_notself = 4 |
1478 | CODE: |
1901 | CODE: |
1479 | { |
1902 | { |
1480 | struct transfer_args ta; |
1903 | struct transfer_args ta; |
1481 | |
1904 | |
|
|
1905 | PUTBACK; |
1482 | switch (ix) |
1906 | switch (ix) |
1483 | { |
1907 | { |
1484 | case 0: |
1908 | case 0: |
1485 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1909 | prepare_set_stacklevel (&ta, (struct coro_cctx *)SvIV (ST (0))); |
1486 | ta.next = 0; |
|
|
1487 | break; |
1910 | break; |
1488 | |
1911 | |
1489 | case 1: |
1912 | case 1: |
1490 | if (items != 2) |
1913 | if (items != 2) |
1491 | croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); |
1914 | croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items); |
1492 | |
1915 | |
1493 | prepare_transfer (aTHX_ &ta, ST (0), ST (1)); |
1916 | prepare_transfer (aTHX_ &ta, ST (0), ST (1)); |
1494 | break; |
1917 | break; |
1495 | |
1918 | |
1496 | case 2: |
1919 | case 2: |
… | |
… | |
1505 | if (!prepare_cede_notself (aTHX_ &ta)) |
1928 | if (!prepare_cede_notself (aTHX_ &ta)) |
1506 | XSRETURN_EMPTY; |
1929 | XSRETURN_EMPTY; |
1507 | |
1930 | |
1508 | break; |
1931 | break; |
1509 | } |
1932 | } |
|
|
1933 | SPAGAIN; |
1510 | |
1934 | |
1511 | BARRIER; |
1935 | BARRIER; |
|
|
1936 | PUTBACK; |
1512 | TRANSFER (ta); |
1937 | TRANSFER (ta, 0); |
1513 | |
1938 | SPAGAIN; /* might be the sp of a different coroutine now */ |
1514 | if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev)) |
1939 | /* be extra careful not to ever do anything after TRANSFER */ |
1515 | XSRETURN_YES; |
|
|
1516 | } |
1940 | } |
1517 | |
1941 | |
1518 | bool |
1942 | bool |
1519 | _destroy (SV *coro_sv) |
1943 | _destroy (SV *coro_sv) |
1520 | CODE: |
1944 | CODE: |
1521 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1945 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1522 | OUTPUT: |
1946 | OUTPUT: |
1523 | RETVAL |
1947 | RETVAL |
1524 | |
1948 | |
1525 | void |
1949 | void |
1526 | _exit (code) |
1950 | _exit (int code) |
1527 | int code |
|
|
1528 | PROTOTYPE: $ |
1951 | PROTOTYPE: $ |
1529 | CODE: |
1952 | CODE: |
1530 | _exit (code); |
1953 | _exit (code); |
1531 | |
1954 | |
1532 | int |
1955 | int |
1533 | cctx_stacksize (int new_stacksize = 0) |
1956 | cctx_stacksize (int new_stacksize = 0) |
1534 | CODE: |
1957 | CODE: |
1535 | RETVAL = coro_stacksize; |
1958 | RETVAL = cctx_stacksize; |
1536 | if (new_stacksize) |
1959 | if (new_stacksize) |
|
|
1960 | { |
1537 | coro_stacksize = new_stacksize; |
1961 | cctx_stacksize = new_stacksize; |
|
|
1962 | ++cctx_gen; |
|
|
1963 | } |
|
|
1964 | OUTPUT: |
|
|
1965 | RETVAL |
|
|
1966 | |
|
|
1967 | int |
|
|
1968 | cctx_max_idle (int max_idle = 0) |
|
|
1969 | CODE: |
|
|
1970 | RETVAL = cctx_max_idle; |
|
|
1971 | if (max_idle > 1) |
|
|
1972 | cctx_max_idle = max_idle; |
1538 | OUTPUT: |
1973 | OUTPUT: |
1539 | RETVAL |
1974 | RETVAL |
1540 | |
1975 | |
1541 | int |
1976 | int |
1542 | cctx_count () |
1977 | cctx_count () |
… | |
… | |
1566 | call (Coro::State coro, SV *coderef) |
2001 | call (Coro::State coro, SV *coderef) |
1567 | ALIAS: |
2002 | ALIAS: |
1568 | eval = 1 |
2003 | eval = 1 |
1569 | CODE: |
2004 | CODE: |
1570 | { |
2005 | { |
1571 | if (coro->mainstack) |
2006 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
1572 | { |
2007 | { |
1573 | struct coro temp; |
2008 | struct coro temp; |
1574 | Zero (&temp, 1, struct coro); |
|
|
1575 | |
2009 | |
1576 | if (!(coro->flags & CF_RUNNING)) |
2010 | if (!(coro->flags & CF_RUNNING)) |
1577 | { |
2011 | { |
|
|
2012 | PUTBACK; |
1578 | save_perl (aTHX_ &temp); |
2013 | save_perl (aTHX_ &temp); |
1579 | load_perl (aTHX_ coro); |
2014 | load_perl (aTHX_ coro); |
1580 | } |
2015 | } |
1581 | |
2016 | |
1582 | { |
2017 | { |
1583 | dSP; |
2018 | dSP; |
1584 | ENTER; |
2019 | ENTER; |
1585 | SAVETMPS; |
2020 | SAVETMPS; |
|
|
2021 | PUTBACK; |
|
|
2022 | PUSHSTACK; |
1586 | PUSHMARK (SP); |
2023 | PUSHMARK (SP); |
1587 | PUTBACK; |
2024 | |
1588 | if (ix) |
2025 | if (ix) |
1589 | eval_sv (coderef, 0); |
2026 | eval_sv (coderef, 0); |
1590 | else |
2027 | else |
1591 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2028 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
2029 | |
|
|
2030 | POPSTACK; |
1592 | SPAGAIN; |
2031 | SPAGAIN; |
1593 | FREETMPS; |
2032 | FREETMPS; |
1594 | LEAVE; |
2033 | LEAVE; |
1595 | PUTBACK; |
2034 | PUTBACK; |
1596 | } |
2035 | } |
1597 | |
2036 | |
1598 | if (!(coro->flags & CF_RUNNING)) |
2037 | if (!(coro->flags & CF_RUNNING)) |
1599 | { |
2038 | { |
1600 | save_perl (aTHX_ coro); |
2039 | save_perl (aTHX_ coro); |
1601 | load_perl (aTHX_ &temp); |
2040 | load_perl (aTHX_ &temp); |
|
|
2041 | SPAGAIN; |
1602 | } |
2042 | } |
1603 | } |
2043 | } |
1604 | } |
2044 | } |
1605 | |
2045 | |
1606 | SV * |
2046 | SV * |
… | |
… | |
1615 | RETVAL = boolSV (coro->flags & ix); |
2055 | RETVAL = boolSV (coro->flags & ix); |
1616 | OUTPUT: |
2056 | OUTPUT: |
1617 | RETVAL |
2057 | RETVAL |
1618 | |
2058 | |
1619 | void |
2059 | void |
|
|
2060 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
2061 | PROTOTYPE: $;$ |
|
|
2062 | CODE: |
|
|
2063 | SvREFCNT_dec (self->throw); |
|
|
2064 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
2065 | |
|
|
2066 | void |
1620 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
2067 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
1621 | |
2068 | |
1622 | SV * |
2069 | SV * |
1623 | has_stack (Coro::State coro) |
2070 | has_cctx (Coro::State coro) |
1624 | PROTOTYPE: $ |
2071 | PROTOTYPE: $ |
1625 | CODE: |
2072 | CODE: |
1626 | RETVAL = boolSV (!!coro->cctx); |
2073 | RETVAL = boolSV (!!coro->cctx); |
1627 | OUTPUT: |
2074 | OUTPUT: |
1628 | RETVAL |
2075 | RETVAL |
… | |
… | |
1633 | CODE: |
2080 | CODE: |
1634 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
2081 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
1635 | OUTPUT: |
2082 | OUTPUT: |
1636 | RETVAL |
2083 | RETVAL |
1637 | |
2084 | |
1638 | IV |
2085 | UV |
1639 | rss (Coro::State coro) |
2086 | rss (Coro::State coro) |
1640 | PROTOTYPE: $ |
2087 | PROTOTYPE: $ |
1641 | ALIAS: |
2088 | ALIAS: |
1642 | usecount = 1 |
2089 | usecount = 1 |
1643 | CODE: |
2090 | CODE: |
… | |
… | |
1647 | case 1: RETVAL = coro->usecount; break; |
2094 | case 1: RETVAL = coro->usecount; break; |
1648 | } |
2095 | } |
1649 | OUTPUT: |
2096 | OUTPUT: |
1650 | RETVAL |
2097 | RETVAL |
1651 | |
2098 | |
|
|
2099 | void |
|
|
2100 | force_cctx () |
|
|
2101 | CODE: |
|
|
2102 | struct coro *coro = SvSTATE (coro_current); |
|
|
2103 | coro->cctx->idle_sp = 0; |
|
|
2104 | |
|
|
2105 | void |
|
|
2106 | swap_defsv (Coro::State self) |
|
|
2107 | PROTOTYPE: $ |
|
|
2108 | ALIAS: |
|
|
2109 | swap_defav = 1 |
|
|
2110 | CODE: |
|
|
2111 | if (!self->slot) |
|
|
2112 | croak ("cannot swap state with coroutine that has no saved state"); |
|
|
2113 | else |
|
|
2114 | { |
|
|
2115 | SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv); |
|
|
2116 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
|
|
2117 | |
|
|
2118 | SV *tmp = *src; *src = *dst; *dst = tmp; |
|
|
2119 | } |
1652 | |
2120 | |
1653 | MODULE = Coro::State PACKAGE = Coro |
2121 | MODULE = Coro::State PACKAGE = Coro |
1654 | |
2122 | |
1655 | BOOT: |
2123 | BOOT: |
1656 | { |
2124 | { |
1657 | int i; |
2125 | int i; |
1658 | |
2126 | |
1659 | sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); |
|
|
1660 | sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); |
|
|
1661 | av_async_pool = get_av ("Coro::async_pool", TRUE); |
2127 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2128 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
|
|
2129 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
1662 | |
2130 | |
1663 | coro_current = get_sv ("Coro::current", FALSE); |
2131 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
1664 | SvREADONLY_on (coro_current); |
2132 | SvREADONLY_on (coro_current); |
1665 | |
2133 | |
1666 | coro_stash = gv_stashpv ("Coro", TRUE); |
2134 | coro_stash = gv_stashpv ("Coro", TRUE); |
1667 | |
2135 | |
1668 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
2136 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1669 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
2137 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1670 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
2138 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1671 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
2139 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
… | |
… | |
1674 | |
2142 | |
1675 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
2143 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1676 | coro_ready[i] = newAV (); |
2144 | coro_ready[i] = newAV (); |
1677 | |
2145 | |
1678 | { |
2146 | { |
1679 | SV *sv = perl_get_sv("Coro::API", 1); |
2147 | SV *sv = perl_get_sv ("Coro::API", TRUE); |
|
|
2148 | perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */ |
1680 | |
2149 | |
1681 | coroapi.schedule = api_schedule; |
2150 | coroapi.schedule = api_schedule; |
1682 | coroapi.cede = api_cede; |
2151 | coroapi.cede = api_cede; |
1683 | coroapi.cede_notself = api_cede_notself; |
2152 | coroapi.cede_notself = api_cede_notself; |
1684 | coroapi.ready = api_ready; |
2153 | coroapi.ready = api_ready; |
… | |
… | |
1695 | void |
2164 | void |
1696 | _set_current (SV *current) |
2165 | _set_current (SV *current) |
1697 | PROTOTYPE: $ |
2166 | PROTOTYPE: $ |
1698 | CODE: |
2167 | CODE: |
1699 | SvREFCNT_dec (SvRV (coro_current)); |
2168 | SvREFCNT_dec (SvRV (coro_current)); |
1700 | SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); |
2169 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
|
|
2170 | |
|
|
2171 | void |
|
|
2172 | _set_readyhook (SV *hook) |
|
|
2173 | PROTOTYPE: $ |
|
|
2174 | CODE: |
|
|
2175 | LOCK; |
|
|
2176 | SvREFCNT_dec (coro_readyhook); |
|
|
2177 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
|
|
2178 | UNLOCK; |
1701 | |
2179 | |
1702 | int |
2180 | int |
1703 | prio (Coro::State coro, int newprio = 0) |
2181 | prio (Coro::State coro, int newprio = 0) |
1704 | ALIAS: |
2182 | ALIAS: |
1705 | nice = 1 |
2183 | nice = 1 |
… | |
… | |
1735 | CODE: |
2213 | CODE: |
1736 | RETVAL = coro_nready; |
2214 | RETVAL = coro_nready; |
1737 | OUTPUT: |
2215 | OUTPUT: |
1738 | RETVAL |
2216 | RETVAL |
1739 | |
2217 | |
1740 | void |
|
|
1741 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
1742 | PROTOTYPE: $;$ |
|
|
1743 | CODE: |
|
|
1744 | SvREFCNT_dec (self->throw); |
|
|
1745 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
1746 | |
|
|
1747 | # for async_pool speedup |
2218 | # for async_pool speedup |
1748 | void |
2219 | void |
1749 | _pool_1 (SV *cb) |
2220 | _pool_1 (SV *cb) |
1750 | CODE: |
2221 | CODE: |
1751 | { |
2222 | { |
… | |
… | |
1755 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
2226 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1756 | AV *invoke_av; |
2227 | AV *invoke_av; |
1757 | int i, len; |
2228 | int i, len; |
1758 | |
2229 | |
1759 | if (!invoke) |
2230 | if (!invoke) |
|
|
2231 | { |
|
|
2232 | SV *old = PL_diehook; |
|
|
2233 | PL_diehook = 0; |
|
|
2234 | SvREFCNT_dec (old); |
1760 | croak ("\3async_pool terminate\2\n"); |
2235 | croak ("\3async_pool terminate\2\n"); |
|
|
2236 | } |
1761 | |
2237 | |
1762 | SvREFCNT_dec (coro->saved_deffh); |
2238 | SvREFCNT_dec (coro->saved_deffh); |
1763 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
2239 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
1764 | |
2240 | |
1765 | hv_store (hv, "desc", sizeof ("desc") - 1, |
2241 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1766 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
2242 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
1767 | |
2243 | |
1768 | invoke_av = (AV *)SvRV (invoke); |
2244 | invoke_av = (AV *)SvRV (invoke); |
… | |
… | |
1772 | |
2248 | |
1773 | if (len > 0) |
2249 | if (len > 0) |
1774 | { |
2250 | { |
1775 | av_fill (defav, len - 1); |
2251 | av_fill (defav, len - 1); |
1776 | for (i = 0; i < len; ++i) |
2252 | for (i = 0; i < len; ++i) |
1777 | av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); |
2253 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
1778 | } |
2254 | } |
1779 | |
2255 | |
1780 | SvREFCNT_dec (invoke); |
2256 | SvREFCNT_dec (invoke); |
1781 | } |
2257 | } |
1782 | |
2258 | |
… | |
… | |
1789 | sv_setsv (cb, &PL_sv_undef); |
2265 | sv_setsv (cb, &PL_sv_undef); |
1790 | |
2266 | |
1791 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2267 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1792 | coro->saved_deffh = 0; |
2268 | coro->saved_deffh = 0; |
1793 | |
2269 | |
1794 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
2270 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1795 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2271 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2272 | { |
|
|
2273 | SV *old = PL_diehook; |
|
|
2274 | PL_diehook = 0; |
|
|
2275 | SvREFCNT_dec (old); |
1796 | croak ("\3async_pool terminate\2\n"); |
2276 | croak ("\3async_pool terminate\2\n"); |
|
|
2277 | } |
1797 | |
2278 | |
1798 | av_clear (GvAV (PL_defgv)); |
2279 | av_clear (GvAV (PL_defgv)); |
1799 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
2280 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1800 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
2281 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1801 | |
2282 | |
… | |
… | |
1805 | api_trace (coro_current, 0); |
2286 | api_trace (coro_current, 0); |
1806 | |
2287 | |
1807 | av_push (av_async_pool, newSVsv (coro_current)); |
2288 | av_push (av_async_pool, newSVsv (coro_current)); |
1808 | } |
2289 | } |
1809 | |
2290 | |
|
|
2291 | #if 0 |
|
|
2292 | |
|
|
2293 | void |
|
|
2294 | _generator_call (...) |
|
|
2295 | PROTOTYPE: @ |
|
|
2296 | PPCODE: |
|
|
2297 | fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr); |
|
|
2298 | xxxx |
|
|
2299 | abort (); |
|
|
2300 | |
|
|
2301 | SV * |
|
|
2302 | gensub (SV *sub, ...) |
|
|
2303 | PROTOTYPE: &;@ |
|
|
2304 | CODE: |
|
|
2305 | { |
|
|
2306 | struct coro *coro; |
|
|
2307 | MAGIC *mg; |
|
|
2308 | CV *xcv; |
|
|
2309 | CV *ncv = (CV *)newSV_type (SVt_PVCV); |
|
|
2310 | int i; |
|
|
2311 | |
|
|
2312 | CvGV (ncv) = CvGV (cv); |
|
|
2313 | CvFILE (ncv) = CvFILE (cv); |
|
|
2314 | |
|
|
2315 | Newz (0, coro, 1, struct coro); |
|
|
2316 | coro->args = newAV (); |
|
|
2317 | coro->flags = CF_NEW; |
|
|
2318 | |
|
|
2319 | av_extend (coro->args, items - 1); |
|
|
2320 | for (i = 1; i < items; i++) |
|
|
2321 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2322 | |
|
|
2323 | CvISXSUB_on (ncv); |
|
|
2324 | CvXSUBANY (ncv).any_ptr = (void *)coro; |
|
|
2325 | |
|
|
2326 | xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV)); |
|
|
2327 | |
|
|
2328 | CvXSUB (ncv) = CvXSUB (xcv); |
|
|
2329 | CvANON_on (ncv); |
|
|
2330 | |
|
|
2331 | mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0); |
|
|
2332 | RETVAL = newRV_noinc ((SV *)ncv); |
|
|
2333 | } |
|
|
2334 | OUTPUT: |
|
|
2335 | RETVAL |
|
|
2336 | |
|
|
2337 | #endif |
|
|
2338 | |
1810 | |
2339 | |
1811 | MODULE = Coro::State PACKAGE = Coro::AIO |
2340 | MODULE = Coro::State PACKAGE = Coro::AIO |
1812 | |
2341 | |
1813 | SV * |
2342 | void |
1814 | _get_state () |
2343 | _get_state (SV *self) |
1815 | CODE: |
2344 | PPCODE: |
1816 | { |
2345 | { |
1817 | struct io_state *data; |
2346 | AV *defav = GvAV (PL_defgv); |
1818 | |
2347 | AV *av = newAV (); |
|
|
2348 | int i; |
1819 | RETVAL = newSV (sizeof (struct io_state)); |
2349 | SV *data_sv = newSV (sizeof (struct io_state)); |
1820 | data = (struct io_state *)SvPVX (RETVAL); |
2350 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
1821 | SvCUR_set (RETVAL, sizeof (struct io_state)); |
2351 | SvCUR_set (data_sv, sizeof (struct io_state)); |
1822 | SvPOK_only (RETVAL); |
2352 | SvPOK_only (data_sv); |
1823 | |
2353 | |
1824 | data->errorno = errno; |
2354 | data->errorno = errno; |
1825 | data->laststype = PL_laststype; |
2355 | data->laststype = PL_laststype; |
1826 | data->laststatval = PL_laststatval; |
2356 | data->laststatval = PL_laststatval; |
1827 | data->statcache = PL_statcache; |
2357 | data->statcache = PL_statcache; |
|
|
2358 | |
|
|
2359 | av_extend (av, AvFILLp (defav) + 1 + 1); |
|
|
2360 | |
|
|
2361 | for (i = 0; i <= AvFILLp (defav); ++i) |
|
|
2362 | av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i])); |
|
|
2363 | |
|
|
2364 | av_push (av, data_sv); |
|
|
2365 | |
|
|
2366 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
2367 | |
|
|
2368 | api_ready (self); |
1828 | } |
2369 | } |
1829 | OUTPUT: |
|
|
1830 | RETVAL |
|
|
1831 | |
2370 | |
1832 | void |
2371 | void |
1833 | _set_state (char *data_) |
2372 | _set_state (SV *state) |
1834 | PROTOTYPE: $ |
2373 | PROTOTYPE: $ |
1835 | CODE: |
2374 | PPCODE: |
1836 | { |
2375 | { |
1837 | struct io_state *data = (void *)data_; |
2376 | AV *av = (AV *)SvRV (state); |
|
|
2377 | struct io_state *data = (struct io_state *)SvPVX (AvARRAY (av)[AvFILLp (av)]); |
|
|
2378 | int i; |
1838 | |
2379 | |
1839 | errno = data->errorno; |
2380 | errno = data->errorno; |
1840 | PL_laststype = data->laststype; |
2381 | PL_laststype = data->laststype; |
1841 | PL_laststatval = data->laststatval; |
2382 | PL_laststatval = data->laststatval; |
1842 | PL_statcache = data->statcache; |
2383 | PL_statcache = data->statcache; |
1843 | } |
|
|
1844 | |
2384 | |
|
|
2385 | EXTEND (SP, AvFILLp (av)); |
|
|
2386 | for (i = 0; i < AvFILLp (av); ++i) |
|
|
2387 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i]))); |
|
|
2388 | } |
|
|
2389 | |
|
|
2390 | |
|
|
2391 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
|
|
2392 | |
|
|
2393 | BOOT: |
|
|
2394 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
|
|
2395 | |
|
|
2396 | SV * |
|
|
2397 | _schedule (...) |
|
|
2398 | PROTOTYPE: @ |
|
|
2399 | CODE: |
|
|
2400 | { |
|
|
2401 | static int incede; |
|
|
2402 | |
|
|
2403 | api_cede_notself (); |
|
|
2404 | |
|
|
2405 | ++incede; |
|
|
2406 | while (coro_nready >= incede && api_cede ()) |
|
|
2407 | ; |
|
|
2408 | |
|
|
2409 | sv_setsv (sv_activity, &PL_sv_undef); |
|
|
2410 | if (coro_nready >= incede) |
|
|
2411 | { |
|
|
2412 | PUSHMARK (SP); |
|
|
2413 | PUTBACK; |
|
|
2414 | call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL); |
|
|
2415 | SPAGAIN; |
|
|
2416 | } |
|
|
2417 | |
|
|
2418 | --incede; |
|
|
2419 | } |
|
|
2420 | |
|
|
2421 | |
|
|
2422 | MODULE = Coro::State PACKAGE = PerlIO::cede |
|
|
2423 | |
|
|
2424 | BOOT: |
|
|
2425 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |