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 |
… | |
… | |
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 | /* 5.8.8 */ |
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87 | #ifndef GV_NOTQUAL |
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88 | # define GV_NOTQUAL 0 |
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89 | #endif |
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90 | #ifndef newSV |
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91 | # define newSV(l) NEWSV(0,l) |
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92 | #endif |
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93 | |
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94 | /* 5.11 */ |
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95 | #ifndef CxHASARGS |
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96 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
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97 | #endif |
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98 | |
75 | /* 5.8.7 */ |
99 | /* 5.8.7 */ |
76 | #ifndef SvRV_set |
100 | #ifndef SvRV_set |
77 | # define SvRV_set(s,v) SvRV(s) = (v) |
101 | # define SvRV_set(s,v) SvRV(s) = (v) |
78 | #endif |
102 | #endif |
79 | |
103 | |
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… | |
88 | /* prefer perl internal functions over our own? */ |
112 | /* prefer perl internal functions over our own? */ |
89 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
113 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
90 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
114 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
91 | #endif |
115 | #endif |
92 | |
116 | |
93 | /* The next macro should declare a variable stacklevel that contains and approximation |
117 | /* The next macros try to return the current stack pointer, in an as |
94 | * to the current C stack pointer. Its property is that it changes with each call |
118 | * portable way as possible. */ |
95 | * and should be unique. */ |
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96 | #define dSTACKLEVEL int stacklevel |
119 | #define dSTACKLEVEL volatile char stacklevel |
97 | #define STACKLEVEL ((void *)&stacklevel) |
120 | #define STACKLEVEL ((void *)&stacklevel) |
98 | |
121 | |
99 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
122 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
100 | |
123 | |
101 | #if __GNUC__ >= 3 |
124 | #if __GNUC__ >= 3 |
102 | # define attribute(x) __attribute__(x) |
125 | # define attribute(x) __attribute__(x) |
103 | # define BARRIER __asm__ __volatile__ ("" : : : "memory") |
126 | # define BARRIER __asm__ __volatile__ ("" : : : "memory") |
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127 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
104 | #else |
128 | #else |
105 | # define attribute(x) |
129 | # define attribute(x) |
106 | # define BARRIER |
130 | # define BARRIER |
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131 | # define expect(expr,value) (expr) |
107 | #endif |
132 | #endif |
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133 | |
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134 | #define expect_false(expr) expect ((expr) != 0, 0) |
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135 | #define expect_true(expr) expect ((expr) != 0, 1) |
108 | |
136 | |
109 | #define NOINLINE attribute ((noinline)) |
137 | #define NOINLINE attribute ((noinline)) |
110 | |
138 | |
111 | #include "CoroAPI.h" |
139 | #include "CoroAPI.h" |
112 | |
140 | |
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120 | #endif |
148 | #endif |
121 | |
149 | |
122 | /* helper storage struct for Coro::AIO */ |
150 | /* helper storage struct for Coro::AIO */ |
123 | struct io_state |
151 | struct io_state |
124 | { |
152 | { |
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153 | AV *res; |
125 | int errorno; |
154 | int errorno; |
126 | I32 laststype; |
155 | I32 laststype; |
127 | int laststatval; |
156 | int laststatval; |
128 | Stat_t statcache; |
157 | Stat_t statcache; |
129 | }; |
158 | }; |
130 | |
159 | |
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160 | static double (*nvtime)(); /* so why doesn't it take void? */ |
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161 | |
131 | static size_t coro_stacksize = CORO_STACKSIZE; |
162 | static size_t coro_stacksize = CORO_STACKSIZE; |
132 | static struct CoroAPI coroapi; |
163 | static struct CoroAPI coroapi; |
133 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
164 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
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165 | static JMPENV *main_top_env; |
134 | static HV *coro_state_stash, *coro_stash; |
166 | static HV *coro_state_stash, *coro_stash; |
135 | static SV *coro_mortal; /* will be freed after next transfer */ |
167 | static volatile SV *coro_mortal; /* will be freed after next transfer */ |
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168 | |
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169 | static GV *irsgv; /* $/ */ |
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170 | static GV *stdoutgv; /* *STDOUT */ |
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171 | static SV *rv_diehook; |
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172 | static SV *rv_warnhook; |
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173 | static HV *hv_sig; /* %SIG */ |
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174 | |
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175 | /* async_pool helper stuff */ |
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176 | static SV *sv_pool_rss; |
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177 | static SV *sv_pool_size; |
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178 | static AV *av_async_pool; |
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179 | |
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180 | /* Coro::AnyEvent */ |
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181 | static SV *sv_activity; |
136 | |
182 | |
137 | static struct coro_cctx *cctx_first; |
183 | static struct coro_cctx *cctx_first; |
138 | static int cctx_count, cctx_idle; |
184 | static int cctx_count, cctx_idle; |
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185 | |
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186 | enum { |
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187 | CC_MAPPED = 0x01, |
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188 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
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189 | CC_TRACE = 0x04, |
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190 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
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191 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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192 | CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE, |
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193 | }; |
139 | |
194 | |
140 | /* this is a structure representing a c-level coroutine */ |
195 | /* this is a structure representing a c-level coroutine */ |
141 | typedef struct coro_cctx { |
196 | typedef struct coro_cctx { |
142 | struct coro_cctx *next; |
197 | struct coro_cctx *next; |
143 | |
198 | |
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152 | coro_context cctx; |
207 | coro_context cctx; |
153 | |
208 | |
154 | #if CORO_USE_VALGRIND |
209 | #if CORO_USE_VALGRIND |
155 | int valgrind_id; |
210 | int valgrind_id; |
156 | #endif |
211 | #endif |
157 | char inuse, mapped; |
212 | unsigned char flags; |
158 | } coro_cctx; |
213 | } coro_cctx; |
159 | |
214 | |
160 | enum { |
215 | enum { |
161 | CF_RUNNING = 0x0001, /* coroutine is running */ |
216 | CF_RUNNING = 0x0001, /* coroutine is running */ |
162 | CF_READY = 0x0002, /* coroutine is ready */ |
217 | CF_READY = 0x0002, /* coroutine is ready */ |
163 | CF_NEW = 0x0004, /* has never been switched to */ |
218 | CF_NEW = 0x0004, /* has never been switched to */ |
164 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
219 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
165 | }; |
220 | }; |
166 | |
221 | |
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222 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
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223 | typedef struct { |
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224 | SV *defsv; |
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225 | AV *defav; |
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226 | SV *errsv; |
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227 | SV *irsgv; |
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228 | #define VAR(name,type) type name; |
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229 | # include "state.h" |
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230 | #undef VAR |
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231 | } perl_slots; |
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232 | |
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233 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
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234 | |
167 | /* this is a structure representing a perl-level coroutine */ |
235 | /* this is a structure representing a perl-level coroutine */ |
168 | struct coro { |
236 | struct coro { |
169 | /* the c coroutine allocated to this perl coroutine, if any */ |
237 | /* the c coroutine allocated to this perl coroutine, if any */ |
170 | coro_cctx *cctx; |
238 | coro_cctx *cctx; |
171 | |
239 | |
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240 | /* process data */ |
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241 | AV *mainstack; |
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242 | perl_slots *slot; /* basically the saved sp */ |
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243 | |
172 | /* data associated with this coroutine (initial args) */ |
244 | AV *args; /* data associated with this coroutine (initial args) */ |
173 | AV *args; |
245 | int refcnt; /* coroutines are refcounted, yes */ |
174 | int refcnt; |
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175 | int save; /* CORO_SAVE flags */ |
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176 | int flags; /* CF_ flags */ |
246 | int flags; /* CF_ flags */ |
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247 | HV *hv; /* the perl hash associated with this coro, if any */ |
177 | |
248 | |
178 | /* optionally saved, might be zero */ |
249 | /* statistics */ |
179 | AV *defav; /* @_ */ |
250 | int usecount; /* number of transfers to this coro */ |
180 | SV *defsv; /* $_ */ |
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181 | SV *errsv; /* $@ */ |
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182 | SV *irssv; /* $/ */ |
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183 | SV *irssv_sv; /* real $/ cache */ |
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184 | |
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185 | #define VAR(name,type) type name; |
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186 | # include "state.h" |
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187 | #undef VAR |
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188 | |
251 | |
189 | /* coro process data */ |
252 | /* coro process data */ |
190 | int prio; |
253 | int prio; |
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254 | SV *throw; /* exception to be thrown */ |
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255 | |
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256 | /* async_pool */ |
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257 | SV *saved_deffh; |
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258 | |
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259 | /* linked list */ |
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260 | struct coro *next, *prev; |
191 | }; |
261 | }; |
192 | |
262 | |
193 | typedef struct coro *Coro__State; |
263 | typedef struct coro *Coro__State; |
194 | typedef struct coro *Coro__State_or_hashref; |
264 | typedef struct coro *Coro__State_or_hashref; |
195 | |
265 | |
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202 | #define PRIO_IDLE -3 |
272 | #define PRIO_IDLE -3 |
203 | #define PRIO_MIN -4 |
273 | #define PRIO_MIN -4 |
204 | |
274 | |
205 | /* for Coro.pm */ |
275 | /* for Coro.pm */ |
206 | static SV *coro_current; |
276 | static SV *coro_current; |
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277 | static SV *coro_readyhook; |
207 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
278 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
208 | static int coro_nready; |
279 | static int coro_nready; |
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280 | static struct coro *coro_first; |
209 | |
281 | |
210 | /** lowlevel stuff **********************************************************/ |
282 | /** lowlevel stuff **********************************************************/ |
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283 | |
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284 | static SV * |
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285 | coro_get_sv (pTHX_ const char *name, int create) |
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286 | { |
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287 | #if PERL_VERSION_ATLEAST (5,10,0) |
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288 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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289 | get_sv (name, create); |
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290 | #endif |
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291 | return get_sv (name, create); |
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292 | } |
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293 | |
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294 | static AV * |
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295 | coro_get_av (pTHX_ const char *name, int create) |
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296 | { |
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297 | #if PERL_VERSION_ATLEAST (5,10,0) |
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298 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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299 | get_av (name, create); |
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300 | #endif |
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301 | return get_av (name, create); |
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302 | } |
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303 | |
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304 | static HV * |
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305 | coro_get_hv (pTHX_ const char *name, int create) |
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306 | { |
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307 | #if PERL_VERSION_ATLEAST (5,10,0) |
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308 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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309 | get_hv (name, create); |
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310 | #endif |
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311 | return get_hv (name, create); |
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312 | } |
211 | |
313 | |
212 | static AV * |
314 | static AV * |
213 | coro_clone_padlist (pTHX_ CV *cv) |
315 | coro_clone_padlist (pTHX_ CV *cv) |
214 | { |
316 | { |
215 | AV *padlist = CvPADLIST (cv); |
317 | AV *padlist = CvPADLIST (cv); |
216 | AV *newpadlist, *newpad; |
318 | AV *newpadlist, *newpad; |
217 | |
319 | |
218 | newpadlist = newAV (); |
320 | newpadlist = newAV (); |
219 | AvREAL_off (newpadlist); |
321 | AvREAL_off (newpadlist); |
220 | #if PERL_VERSION_ATLEAST (5,9,0) |
322 | #if PERL_VERSION_ATLEAST (5,10,0) |
221 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
323 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
222 | #else |
324 | #else |
223 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
325 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
224 | #endif |
326 | #endif |
225 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
327 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
226 | --AvFILLp (padlist); |
328 | --AvFILLp (padlist); |
227 | |
329 | |
228 | av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE))); |
330 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
229 | av_store (newpadlist, 1, (SV *)newpad); |
331 | av_store (newpadlist, 1, (SV *)newpad); |
230 | |
332 | |
231 | return newpadlist; |
333 | return newpadlist; |
232 | } |
334 | } |
233 | |
335 | |
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263 | |
365 | |
264 | /* casting is fun. */ |
366 | /* casting is fun. */ |
265 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
367 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
266 | free_padlist (aTHX_ padlist); |
368 | free_padlist (aTHX_ padlist); |
267 | |
369 | |
268 | SvREFCNT_dec (av); |
370 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
269 | |
371 | |
270 | return 0; |
372 | return 0; |
271 | } |
373 | } |
272 | |
374 | |
273 | #define PERL_MAGIC_coro PERL_MAGIC_ext |
375 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
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376 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
274 | |
377 | |
275 | static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; |
378 | static MGVTBL coro_cv_vtbl = { |
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379 | 0, 0, 0, 0, |
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380 | coro_cv_free |
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381 | }; |
276 | |
382 | |
277 | #define CORO_MAGIC(cv) \ |
383 | #define CORO_MAGIC(sv,type) \ |
278 | SvMAGIC (cv) \ |
384 | SvMAGIC (sv) \ |
279 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
385 | ? SvMAGIC (sv)->mg_type == type \ |
280 | ? SvMAGIC (cv) \ |
386 | ? SvMAGIC (sv) \ |
281 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
387 | : mg_find (sv, type) \ |
282 | : 0 |
388 | : 0 |
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389 | |
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390 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
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391 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
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392 | |
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393 | static struct coro * |
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394 | SvSTATE_ (pTHX_ SV *coro) |
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395 | { |
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396 | HV *stash; |
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397 | MAGIC *mg; |
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398 | |
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399 | if (SvROK (coro)) |
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400 | coro = SvRV (coro); |
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401 | |
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402 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
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403 | croak ("Coro::State object required"); |
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404 | |
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405 | stash = SvSTASH (coro); |
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406 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
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407 | { |
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408 | /* very slow, but rare, check */ |
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409 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
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410 | croak ("Coro::State object required"); |
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411 | } |
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412 | |
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413 | mg = CORO_MAGIC_state (coro); |
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414 | return (struct coro *)mg->mg_ptr; |
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415 | } |
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416 | |
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417 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
283 | |
418 | |
284 | /* the next two functions merely cache the padlists */ |
419 | /* the next two functions merely cache the padlists */ |
285 | static void |
420 | static void |
286 | get_padlist (pTHX_ CV *cv) |
421 | get_padlist (pTHX_ CV *cv) |
287 | { |
422 | { |
288 | MAGIC *mg = CORO_MAGIC (cv); |
423 | MAGIC *mg = CORO_MAGIC_cv (cv); |
289 | AV *av; |
424 | AV *av; |
290 | |
425 | |
291 | if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) |
426 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
292 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
427 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
293 | else |
428 | else |
294 | { |
429 | { |
295 | #if CORO_PREFER_PERL_FUNCTIONS |
430 | #if CORO_PREFER_PERL_FUNCTIONS |
296 | /* this is probably cleaner, but also slower? */ |
431 | /* this is probably cleaner? but also slower! */ |
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432 | /* in practise, it seems to be less stable */ |
297 | CV *cp = Perl_cv_clone (cv); |
433 | CV *cp = Perl_cv_clone (cv); |
298 | CvPADLIST (cv) = CvPADLIST (cp); |
434 | CvPADLIST (cv) = CvPADLIST (cp); |
299 | CvPADLIST (cp) = 0; |
435 | CvPADLIST (cp) = 0; |
300 | SvREFCNT_dec (cp); |
436 | SvREFCNT_dec (cp); |
301 | #else |
437 | #else |
… | |
… | |
305 | } |
441 | } |
306 | |
442 | |
307 | static void |
443 | static void |
308 | put_padlist (pTHX_ CV *cv) |
444 | put_padlist (pTHX_ CV *cv) |
309 | { |
445 | { |
310 | MAGIC *mg = CORO_MAGIC (cv); |
446 | MAGIC *mg = CORO_MAGIC_cv (cv); |
311 | AV *av; |
447 | AV *av; |
312 | |
448 | |
313 | if (!mg) |
449 | if (expect_false (!mg)) |
314 | { |
450 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
315 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
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316 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
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317 | mg->mg_virtual = &vtbl_coro; |
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318 | mg->mg_obj = (SV *)newAV (); |
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319 | } |
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320 | |
451 | |
321 | av = (AV *)mg->mg_obj; |
452 | av = (AV *)mg->mg_obj; |
322 | |
453 | |
323 | if (AvFILLp (av) >= AvMAX (av)) |
454 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
324 | av_extend (av, AvMAX (av) + 1); |
455 | av_extend (av, AvMAX (av) + 1); |
325 | |
456 | |
326 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
457 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
327 | } |
458 | } |
328 | |
459 | |
329 | /** load & save, init *******************************************************/ |
460 | /** load & save, init *******************************************************/ |
330 | |
|
|
331 | #define SB do { |
|
|
332 | #define SE } while (0) |
|
|
333 | |
|
|
334 | #define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE |
|
|
335 | |
461 | |
336 | static void |
462 | static void |
337 | load_perl (pTHX_ Coro__State c) |
463 | load_perl (pTHX_ Coro__State c) |
338 | { |
464 | { |
|
|
465 | perl_slots *slot = c->slot; |
|
|
466 | c->slot = 0; |
|
|
467 | |
|
|
468 | PL_mainstack = c->mainstack; |
|
|
469 | |
|
|
470 | GvSV (PL_defgv) = slot->defsv; |
|
|
471 | GvAV (PL_defgv) = slot->defav; |
|
|
472 | GvSV (PL_errgv) = slot->errsv; |
|
|
473 | GvSV (irsgv) = slot->irsgv; |
|
|
474 | |
339 | #define VAR(name,type) PL_ ## name = c->name; |
475 | #define VAR(name,type) PL_ ## name = slot->name; |
340 | # include "state.h" |
476 | # include "state.h" |
341 | #undef VAR |
477 | #undef VAR |
342 | |
|
|
343 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
|
|
344 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
|
|
345 | if (c->errsv) REPLACE_SV (ERRSV , c->errsv); |
|
|
346 | if (c->irssv) |
|
|
347 | { |
|
|
348 | if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv)) |
|
|
349 | SvREFCNT_dec (c->irssv); |
|
|
350 | else |
|
|
351 | { |
|
|
352 | REPLACE_SV (PL_rs, c->irssv); |
|
|
353 | if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0); |
|
|
354 | sv_setsv (c->irssv_sv, PL_rs); |
|
|
355 | } |
|
|
356 | } |
|
|
357 | |
478 | |
358 | { |
479 | { |
359 | dSP; |
480 | dSP; |
|
|
481 | |
360 | CV *cv; |
482 | CV *cv; |
361 | |
483 | |
362 | /* now do the ugly restore mess */ |
484 | /* now do the ugly restore mess */ |
363 | while ((cv = (CV *)POPs)) |
485 | while (expect_true (cv = (CV *)POPs)) |
364 | { |
486 | { |
365 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
487 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
366 | CvDEPTH (cv) = PTR2IV (POPs); |
488 | CvDEPTH (cv) = PTR2IV (POPs); |
367 | CvPADLIST (cv) = (AV *)POPs; |
489 | CvPADLIST (cv) = (AV *)POPs; |
368 | } |
490 | } |
369 | |
491 | |
370 | PUTBACK; |
492 | PUTBACK; |
371 | } |
493 | } |
372 | assert (!PL_comppad || AvARRAY (PL_comppad));//D |
|
|
373 | } |
494 | } |
374 | |
495 | |
375 | static void |
496 | static void |
376 | save_perl (pTHX_ Coro__State c) |
497 | save_perl (pTHX_ Coro__State c) |
377 | { |
498 | { |
378 | assert (!PL_comppad || AvARRAY (PL_comppad));//D |
|
|
379 | { |
499 | { |
380 | dSP; |
500 | dSP; |
381 | I32 cxix = cxstack_ix; |
501 | I32 cxix = cxstack_ix; |
382 | PERL_CONTEXT *ccstk = cxstack; |
502 | PERL_CONTEXT *ccstk = cxstack; |
383 | PERL_SI *top_si = PL_curstackinfo; |
503 | PERL_SI *top_si = PL_curstackinfo; |
… | |
… | |
385 | /* |
505 | /* |
386 | * the worst thing you can imagine happens first - we have to save |
506 | * the worst thing you can imagine happens first - we have to save |
387 | * (and reinitialize) all cv's in the whole callchain :( |
507 | * (and reinitialize) all cv's in the whole callchain :( |
388 | */ |
508 | */ |
389 | |
509 | |
390 | EXTEND (SP, 3 + 1); |
|
|
391 | PUSHs (Nullsv); |
510 | XPUSHs (Nullsv); |
392 | /* this loop was inspired by pp_caller */ |
511 | /* this loop was inspired by pp_caller */ |
393 | for (;;) |
512 | for (;;) |
394 | { |
513 | { |
395 | while (cxix >= 0) |
514 | while (expect_true (cxix >= 0)) |
396 | { |
515 | { |
397 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
516 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
398 | |
517 | |
399 | if (CxTYPE (cx) == CXt_SUB) |
518 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
400 | { |
519 | { |
401 | CV *cv = cx->blk_sub.cv; |
520 | CV *cv = cx->blk_sub.cv; |
402 | |
521 | |
403 | if (CvDEPTH (cv)) |
522 | if (expect_true (CvDEPTH (cv))) |
404 | { |
523 | { |
405 | EXTEND (SP, 3); |
524 | EXTEND (SP, 3); |
406 | PUSHs ((SV *)CvPADLIST (cv)); |
525 | PUSHs ((SV *)CvPADLIST (cv)); |
407 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
526 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
408 | PUSHs ((SV *)cv); |
527 | PUSHs ((SV *)cv); |
409 | |
528 | |
410 | CvDEPTH (cv) = 0; |
529 | CvDEPTH (cv) = 0; |
411 | get_padlist (aTHX_ cv); |
530 | get_padlist (aTHX_ cv); |
412 | } |
531 | } |
413 | } |
532 | } |
414 | } |
533 | } |
415 | |
534 | |
416 | if (top_si->si_type == PERLSI_MAIN) |
535 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
417 | break; |
536 | break; |
418 | |
537 | |
419 | top_si = top_si->si_prev; |
538 | top_si = top_si->si_prev; |
420 | ccstk = top_si->si_cxstack; |
539 | ccstk = top_si->si_cxstack; |
421 | cxix = top_si->si_cxix; |
540 | cxix = top_si->si_cxix; |
422 | } |
541 | } |
423 | |
542 | |
424 | PUTBACK; |
543 | PUTBACK; |
425 | } |
544 | } |
426 | |
545 | |
427 | c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; |
546 | /* allocate some space on the context stack for our purposes */ |
428 | c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; |
547 | /* we manually unroll here, as usually 2 slots is enough */ |
429 | c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; |
548 | if (SLOT_COUNT >= 1) CXINC; |
430 | c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; |
549 | if (SLOT_COUNT >= 2) CXINC; |
|
|
550 | if (SLOT_COUNT >= 3) CXINC; |
|
|
551 | { |
|
|
552 | int i; |
|
|
553 | for (i = 3; i < SLOT_COUNT; ++i) |
|
|
554 | CXINC; |
|
|
555 | } |
|
|
556 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
431 | |
557 | |
|
|
558 | c->mainstack = PL_mainstack; |
|
|
559 | |
|
|
560 | { |
|
|
561 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
|
|
562 | |
|
|
563 | slot->defav = GvAV (PL_defgv); |
|
|
564 | slot->defsv = DEFSV; |
|
|
565 | slot->errsv = ERRSV; |
|
|
566 | slot->irsgv = GvSV (irsgv); |
|
|
567 | |
432 | #define VAR(name,type)c->name = PL_ ## name; |
568 | #define VAR(name,type) slot->name = PL_ ## name; |
433 | # include "state.h" |
569 | # include "state.h" |
434 | #undef VAR |
570 | #undef VAR |
|
|
571 | } |
435 | } |
572 | } |
436 | |
573 | |
437 | /* |
574 | /* |
438 | * allocate various perl stacks. This is an exact copy |
575 | * allocate various perl stacks. This is an exact copy |
439 | * of perl.c:init_stacks, except that it uses less memory |
576 | * of perl.c:init_stacks, except that it uses less memory |
… | |
… | |
444 | # define coro_init_stacks init_stacks |
581 | # define coro_init_stacks init_stacks |
445 | #else |
582 | #else |
446 | static void |
583 | static void |
447 | coro_init_stacks (pTHX) |
584 | coro_init_stacks (pTHX) |
448 | { |
585 | { |
449 | PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT)); |
586 | PL_curstackinfo = new_stackinfo(32, 8); |
450 | PL_curstackinfo->si_type = PERLSI_MAIN; |
587 | PL_curstackinfo->si_type = PERLSI_MAIN; |
451 | PL_curstack = PL_curstackinfo->si_stack; |
588 | PL_curstack = PL_curstackinfo->si_stack; |
452 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
589 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
453 | |
590 | |
454 | PL_stack_base = AvARRAY(PL_curstack); |
591 | PL_stack_base = AvARRAY(PL_curstack); |
455 | PL_stack_sp = PL_stack_base; |
592 | PL_stack_sp = PL_stack_base; |
456 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
593 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
457 | |
594 | |
458 | New(50,PL_tmps_stack,128,SV*); |
595 | New(50,PL_tmps_stack,32,SV*); |
459 | PL_tmps_floor = -1; |
596 | PL_tmps_floor = -1; |
460 | PL_tmps_ix = -1; |
597 | PL_tmps_ix = -1; |
461 | PL_tmps_max = 128; |
598 | PL_tmps_max = 32; |
462 | |
599 | |
463 | New(54,PL_markstack,32,I32); |
600 | New(54,PL_markstack,16,I32); |
464 | PL_markstack_ptr = PL_markstack; |
601 | PL_markstack_ptr = PL_markstack; |
465 | PL_markstack_max = PL_markstack + 32; |
602 | PL_markstack_max = PL_markstack + 16; |
466 | |
603 | |
467 | #ifdef SET_MARK_OFFSET |
604 | #ifdef SET_MARK_OFFSET |
468 | SET_MARK_OFFSET; |
605 | SET_MARK_OFFSET; |
469 | #endif |
606 | #endif |
470 | |
607 | |
471 | New(54,PL_scopestack,32,I32); |
608 | New(54,PL_scopestack,8,I32); |
472 | PL_scopestack_ix = 0; |
609 | PL_scopestack_ix = 0; |
473 | PL_scopestack_max = 32; |
610 | PL_scopestack_max = 8; |
474 | |
611 | |
475 | New(54,PL_savestack,64,ANY); |
612 | New(54,PL_savestack,24,ANY); |
476 | PL_savestack_ix = 0; |
613 | PL_savestack_ix = 0; |
477 | PL_savestack_max = 64; |
614 | PL_savestack_max = 24; |
478 | |
615 | |
479 | #if !PERL_VERSION_ATLEAST (5,9,0) |
616 | #if !PERL_VERSION_ATLEAST (5,10,0) |
480 | New(54,PL_retstack,16,OP*); |
617 | New(54,PL_retstack,4,OP*); |
481 | PL_retstack_ix = 0; |
618 | PL_retstack_ix = 0; |
482 | PL_retstack_max = 16; |
619 | PL_retstack_max = 4; |
483 | #endif |
620 | #endif |
484 | } |
621 | } |
485 | #endif |
622 | #endif |
486 | |
623 | |
487 | /* |
624 | /* |
488 | * destroy the stacks, the callchain etc... |
625 | * destroy the stacks, the callchain etc... |
489 | */ |
626 | */ |
490 | static void |
627 | static void |
491 | coro_destroy_stacks (pTHX) |
628 | coro_destroy_stacks (pTHX) |
492 | { |
629 | { |
493 | if (!IN_DESTRUCT) |
|
|
494 | { |
|
|
495 | /* restore all saved variables and stuff */ |
|
|
496 | LEAVE_SCOPE (0); |
|
|
497 | assert (PL_tmps_floor == -1); |
|
|
498 | |
|
|
499 | /* free all temporaries */ |
|
|
500 | FREETMPS; |
|
|
501 | assert (PL_tmps_ix == -1); |
|
|
502 | |
|
|
503 | /* unwind all extra stacks */ |
|
|
504 | POPSTACK_TO (PL_mainstack); |
|
|
505 | |
|
|
506 | /* unwind main stack */ |
|
|
507 | dounwind (-1); |
|
|
508 | } |
|
|
509 | |
|
|
510 | while (PL_curstackinfo->si_next) |
630 | while (PL_curstackinfo->si_next) |
511 | PL_curstackinfo = PL_curstackinfo->si_next; |
631 | PL_curstackinfo = PL_curstackinfo->si_next; |
512 | |
632 | |
513 | while (PL_curstackinfo) |
633 | while (PL_curstackinfo) |
514 | { |
634 | { |
… | |
… | |
524 | |
644 | |
525 | Safefree (PL_tmps_stack); |
645 | Safefree (PL_tmps_stack); |
526 | Safefree (PL_markstack); |
646 | Safefree (PL_markstack); |
527 | Safefree (PL_scopestack); |
647 | Safefree (PL_scopestack); |
528 | Safefree (PL_savestack); |
648 | Safefree (PL_savestack); |
529 | #if !PERL_VERSION_ATLEAST (5,9,0) |
649 | #if !PERL_VERSION_ATLEAST (5,10,0) |
530 | Safefree (PL_retstack); |
650 | Safefree (PL_retstack); |
531 | #endif |
651 | #endif |
532 | } |
652 | } |
533 | |
653 | |
|
|
654 | static size_t |
|
|
655 | coro_rss (pTHX_ struct coro *coro) |
|
|
656 | { |
|
|
657 | size_t rss = sizeof (*coro); |
|
|
658 | |
|
|
659 | if (coro->mainstack) |
|
|
660 | { |
|
|
661 | perl_slots tmp_slot; |
|
|
662 | perl_slots *slot; |
|
|
663 | |
|
|
664 | if (coro->flags & CF_RUNNING) |
|
|
665 | { |
|
|
666 | slot = &tmp_slot; |
|
|
667 | |
|
|
668 | #define VAR(name,type) slot->name = PL_ ## name; |
|
|
669 | # include "state.h" |
|
|
670 | #undef VAR |
|
|
671 | } |
|
|
672 | else |
|
|
673 | slot = coro->slot; |
|
|
674 | |
|
|
675 | if (slot) |
|
|
676 | { |
|
|
677 | rss += sizeof (slot->curstackinfo); |
|
|
678 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
|
|
679 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
|
|
680 | rss += slot->tmps_max * sizeof (SV *); |
|
|
681 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
|
|
682 | rss += slot->scopestack_max * sizeof (I32); |
|
|
683 | rss += slot->savestack_max * sizeof (ANY); |
|
|
684 | |
|
|
685 | #if !PERL_VERSION_ATLEAST (5,10,0) |
|
|
686 | rss += slot->retstack_max * sizeof (OP *); |
|
|
687 | #endif |
|
|
688 | } |
|
|
689 | } |
|
|
690 | |
|
|
691 | return rss; |
|
|
692 | } |
|
|
693 | |
534 | /** coroutine stack handling ************************************************/ |
694 | /** coroutine stack handling ************************************************/ |
535 | |
695 | |
|
|
696 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
697 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
698 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
699 | |
|
|
700 | /* apparently < 5.8.8 */ |
|
|
701 | #ifndef MgPV_nolen_const |
|
|
702 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
|
|
703 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
|
|
704 | (const char*)(mg)->mg_ptr) |
|
|
705 | #endif |
|
|
706 | |
|
|
707 | /* |
|
|
708 | * This overrides the default magic get method of %SIG elements. |
|
|
709 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
|
|
710 | * and instead of tryign to save and restore the hash elements, we just provide |
|
|
711 | * readback here. |
|
|
712 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
713 | * not expecting this to actually change the hook. This is a potential problem |
|
|
714 | * when a schedule happens then, but we ignore this. |
|
|
715 | */ |
|
|
716 | static int |
|
|
717 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
|
|
718 | { |
|
|
719 | const char *s = MgPV_nolen_const (mg); |
|
|
720 | |
|
|
721 | if (*s == '_') |
|
|
722 | { |
|
|
723 | SV **svp = 0; |
|
|
724 | |
|
|
725 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
726 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
727 | |
|
|
728 | if (svp) |
|
|
729 | { |
|
|
730 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
|
|
731 | return 0; |
|
|
732 | } |
|
|
733 | } |
|
|
734 | |
|
|
735 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
|
|
736 | } |
|
|
737 | |
|
|
738 | static int |
|
|
739 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
|
|
740 | { |
|
|
741 | const char *s = MgPV_nolen_const (mg); |
|
|
742 | |
|
|
743 | if (*s == '_') |
|
|
744 | { |
|
|
745 | SV **svp = 0; |
|
|
746 | |
|
|
747 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
748 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
749 | |
|
|
750 | if (svp) |
|
|
751 | { |
|
|
752 | SV *old = *svp; |
|
|
753 | *svp = 0; |
|
|
754 | SvREFCNT_dec (old); |
|
|
755 | return 0; |
|
|
756 | } |
|
|
757 | } |
|
|
758 | |
|
|
759 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
760 | } |
|
|
761 | |
|
|
762 | static int |
|
|
763 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
|
|
764 | { |
|
|
765 | const char *s = MgPV_nolen_const (mg); |
|
|
766 | |
|
|
767 | if (*s == '_') |
|
|
768 | { |
|
|
769 | SV **svp = 0; |
|
|
770 | |
|
|
771 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
772 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
773 | |
|
|
774 | if (svp) |
|
|
775 | { |
|
|
776 | SV *old = *svp; |
|
|
777 | *svp = newSVsv (sv); |
|
|
778 | SvREFCNT_dec (old); |
|
|
779 | return 0; |
|
|
780 | } |
|
|
781 | } |
|
|
782 | |
|
|
783 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
784 | } |
|
|
785 | |
536 | static void |
786 | static void |
537 | setup_coro (pTHX_ struct coro *coro) |
787 | coro_setup (pTHX_ struct coro *coro) |
538 | { |
788 | { |
539 | /* |
789 | /* |
540 | * emulate part of the perl startup here. |
790 | * emulate part of the perl startup here. |
541 | */ |
791 | */ |
542 | coro_init_stacks (aTHX); |
792 | coro_init_stacks (aTHX); |
543 | |
793 | |
|
|
794 | PL_runops = RUNOPS_DEFAULT; |
544 | PL_curcop = &PL_compiling; |
795 | PL_curcop = &PL_compiling; |
545 | PL_in_eval = EVAL_NULL; |
796 | PL_in_eval = EVAL_NULL; |
546 | PL_comppad = 0; |
797 | PL_comppad = 0; |
547 | PL_curpm = 0; |
798 | PL_curpm = 0; |
|
|
799 | PL_curpad = 0; |
548 | PL_localizing = 0; |
800 | PL_localizing = 0; |
549 | PL_dirty = 0; |
801 | PL_dirty = 0; |
550 | PL_restartop = 0; |
802 | PL_restartop = 0; |
|
|
803 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
804 | PL_parser = 0; |
|
|
805 | #endif |
|
|
806 | |
|
|
807 | /* recreate the die/warn hooks */ |
|
|
808 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
|
|
809 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
|
|
810 | |
|
|
811 | GvSV (PL_defgv) = newSV (0); |
|
|
812 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
813 | GvSV (PL_errgv) = newSV (0); |
|
|
814 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
815 | PL_rs = newSVsv (GvSV (irsgv)); |
|
|
816 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
551 | |
817 | |
552 | { |
818 | { |
553 | dSP; |
819 | dSP; |
554 | LOGOP myop; |
820 | LOGOP myop; |
555 | |
821 | |
556 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
557 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
558 | |
|
|
559 | Zero (&myop, 1, LOGOP); |
822 | Zero (&myop, 1, LOGOP); |
560 | myop.op_next = Nullop; |
823 | myop.op_next = Nullop; |
561 | myop.op_flags = OPf_WANT_VOID; |
824 | myop.op_flags = OPf_WANT_VOID; |
562 | |
825 | |
563 | PUSHMARK (SP); |
826 | PUSHMARK (SP); |
564 | XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE)); |
827 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
565 | PUTBACK; |
828 | PUTBACK; |
566 | PL_op = (OP *)&myop; |
829 | PL_op = (OP *)&myop; |
567 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
830 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
568 | SPAGAIN; |
831 | SPAGAIN; |
569 | } |
832 | } |
570 | |
833 | |
571 | ENTER; /* necessary e.g. for dounwind */ |
834 | /* this newly created coroutine might be run on an existing cctx which most |
|
|
835 | * likely was suspended in set_stacklevel, called from entersub. |
|
|
836 | * set_stacklevl doesn't do anything on return, but entersub does LEAVE, |
|
|
837 | * so we ENTER here for symmetry |
|
|
838 | */ |
|
|
839 | ENTER; |
|
|
840 | } |
|
|
841 | |
|
|
842 | static void |
|
|
843 | coro_destroy (pTHX_ struct coro *coro) |
|
|
844 | { |
|
|
845 | if (!IN_DESTRUCT) |
|
|
846 | { |
|
|
847 | /* restore all saved variables and stuff */ |
|
|
848 | LEAVE_SCOPE (0); |
|
|
849 | assert (PL_tmps_floor == -1); |
|
|
850 | |
|
|
851 | /* free all temporaries */ |
|
|
852 | FREETMPS; |
|
|
853 | assert (PL_tmps_ix == -1); |
|
|
854 | |
|
|
855 | /* unwind all extra stacks */ |
|
|
856 | POPSTACK_TO (PL_mainstack); |
|
|
857 | |
|
|
858 | /* unwind main stack */ |
|
|
859 | dounwind (-1); |
|
|
860 | } |
|
|
861 | |
|
|
862 | SvREFCNT_dec (GvSV (PL_defgv)); |
|
|
863 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
864 | SvREFCNT_dec (GvSV (PL_errgv)); |
|
|
865 | SvREFCNT_dec (PL_defoutgv); |
|
|
866 | SvREFCNT_dec (PL_rs); |
|
|
867 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
868 | |
|
|
869 | SvREFCNT_dec (PL_diehook); |
|
|
870 | SvREFCNT_dec (PL_warnhook); |
|
|
871 | |
|
|
872 | SvREFCNT_dec (coro->saved_deffh); |
|
|
873 | SvREFCNT_dec (coro->throw); |
|
|
874 | |
|
|
875 | coro_destroy_stacks (aTHX); |
572 | } |
876 | } |
573 | |
877 | |
574 | static void |
878 | static void |
575 | free_coro_mortal (pTHX) |
879 | free_coro_mortal (pTHX) |
576 | { |
880 | { |
577 | if (coro_mortal) |
881 | if (expect_true (coro_mortal)) |
578 | { |
882 | { |
579 | SvREFCNT_dec (coro_mortal); |
883 | SvREFCNT_dec (coro_mortal); |
580 | coro_mortal = 0; |
884 | coro_mortal = 0; |
581 | } |
885 | } |
582 | } |
886 | } |
583 | |
887 | |
|
|
888 | static int |
|
|
889 | runops_trace (pTHX) |
|
|
890 | { |
|
|
891 | COP *oldcop = 0; |
|
|
892 | int oldcxix = -2; |
|
|
893 | struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */ |
|
|
894 | coro_cctx *cctx = coro->cctx; |
|
|
895 | |
|
|
896 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
|
|
897 | { |
|
|
898 | PERL_ASYNC_CHECK (); |
|
|
899 | |
|
|
900 | if (cctx->flags & CC_TRACE_ALL) |
|
|
901 | { |
|
|
902 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
|
|
903 | { |
|
|
904 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
905 | SV **bot, **top; |
|
|
906 | AV *av = newAV (); /* return values */ |
|
|
907 | SV **cb; |
|
|
908 | dSP; |
|
|
909 | |
|
|
910 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
911 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
912 | if (isGV (gv)) |
|
|
913 | gv_efullname3 (fullname, gv, 0); |
|
|
914 | |
|
|
915 | bot = PL_stack_base + cx->blk_oldsp + 1; |
|
|
916 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
|
|
917 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
|
|
918 | : bot; |
|
|
919 | |
|
|
920 | av_extend (av, top - bot); |
|
|
921 | while (bot < top) |
|
|
922 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
|
|
923 | |
|
|
924 | PL_runops = RUNOPS_DEFAULT; |
|
|
925 | ENTER; |
|
|
926 | SAVETMPS; |
|
|
927 | EXTEND (SP, 3); |
|
|
928 | PUSHMARK (SP); |
|
|
929 | PUSHs (&PL_sv_no); |
|
|
930 | PUSHs (fullname); |
|
|
931 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
932 | PUTBACK; |
|
|
933 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
934 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
935 | SPAGAIN; |
|
|
936 | FREETMPS; |
|
|
937 | LEAVE; |
|
|
938 | PL_runops = runops_trace; |
|
|
939 | } |
|
|
940 | |
|
|
941 | if (oldcop != PL_curcop) |
|
|
942 | { |
|
|
943 | oldcop = PL_curcop; |
|
|
944 | |
|
|
945 | if (PL_curcop != &PL_compiling) |
|
|
946 | { |
|
|
947 | SV **cb; |
|
|
948 | |
|
|
949 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
|
|
950 | { |
|
|
951 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
952 | |
|
|
953 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
|
|
954 | { |
|
|
955 | runops_proc_t old_runops = PL_runops; |
|
|
956 | dSP; |
|
|
957 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
958 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
959 | |
|
|
960 | if (isGV (gv)) |
|
|
961 | gv_efullname3 (fullname, gv, 0); |
|
|
962 | |
|
|
963 | PL_runops = RUNOPS_DEFAULT; |
|
|
964 | ENTER; |
|
|
965 | SAVETMPS; |
|
|
966 | EXTEND (SP, 3); |
|
|
967 | PUSHMARK (SP); |
|
|
968 | PUSHs (&PL_sv_yes); |
|
|
969 | PUSHs (fullname); |
|
|
970 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
|
|
971 | PUTBACK; |
|
|
972 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
973 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
974 | SPAGAIN; |
|
|
975 | FREETMPS; |
|
|
976 | LEAVE; |
|
|
977 | PL_runops = runops_trace; |
|
|
978 | } |
|
|
979 | |
|
|
980 | oldcxix = cxstack_ix; |
|
|
981 | } |
|
|
982 | |
|
|
983 | if (cctx->flags & CC_TRACE_LINE) |
|
|
984 | { |
|
|
985 | dSP; |
|
|
986 | |
|
|
987 | PL_runops = RUNOPS_DEFAULT; |
|
|
988 | ENTER; |
|
|
989 | SAVETMPS; |
|
|
990 | EXTEND (SP, 3); |
|
|
991 | PL_runops = RUNOPS_DEFAULT; |
|
|
992 | PUSHMARK (SP); |
|
|
993 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
|
|
994 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
|
|
995 | PUTBACK; |
|
|
996 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
|
|
997 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
998 | SPAGAIN; |
|
|
999 | FREETMPS; |
|
|
1000 | LEAVE; |
|
|
1001 | PL_runops = runops_trace; |
|
|
1002 | } |
|
|
1003 | } |
|
|
1004 | } |
|
|
1005 | } |
|
|
1006 | } |
|
|
1007 | |
|
|
1008 | TAINT_NOT; |
|
|
1009 | return 0; |
|
|
1010 | } |
|
|
1011 | |
584 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
1012 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
|
|
1013 | /* _cctx_init should be careful, as it could be called at almost any time */ |
|
|
1014 | /* during execution of a perl program */ |
585 | static void NOINLINE |
1015 | static void NOINLINE |
586 | prepare_cctx (pTHX_ coro_cctx *cctx) |
1016 | cctx_prepare (pTHX_ coro_cctx *cctx) |
587 | { |
1017 | { |
588 | dSP; |
1018 | dSP; |
589 | LOGOP myop; |
1019 | LOGOP myop; |
|
|
1020 | |
|
|
1021 | PL_top_env = &PL_start_env; |
|
|
1022 | |
|
|
1023 | if (cctx->flags & CC_TRACE) |
|
|
1024 | PL_runops = runops_trace; |
590 | |
1025 | |
591 | Zero (&myop, 1, LOGOP); |
1026 | Zero (&myop, 1, LOGOP); |
592 | myop.op_next = PL_op; |
1027 | myop.op_next = PL_op; |
593 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
1028 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
594 | |
1029 | |
… | |
… | |
600 | PL_op = (OP *)&myop; |
1035 | PL_op = (OP *)&myop; |
601 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1036 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
602 | SPAGAIN; |
1037 | SPAGAIN; |
603 | } |
1038 | } |
604 | |
1039 | |
|
|
1040 | /* |
|
|
1041 | * this is a _very_ stripped down perl interpreter ;) |
|
|
1042 | */ |
605 | static void |
1043 | static void |
606 | coro_run (void *arg) |
1044 | cctx_run (void *arg) |
607 | { |
1045 | { |
608 | dTHX; |
1046 | dTHX; |
609 | |
1047 | |
610 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
1048 | /* cctx_run is the alternative tail of transfer(), so unlock here. */ |
611 | UNLOCK; |
1049 | UNLOCK; |
612 | |
1050 | |
613 | /* |
1051 | /* we now skip the entersub that lead to transfer() */ |
614 | * this is a _very_ stripped down perl interpreter ;) |
1052 | PL_op = PL_op->op_next; |
615 | */ |
|
|
616 | PL_top_env = &PL_start_env; |
|
|
617 | |
1053 | |
618 | /* inject call to cctx_init */ |
1054 | /* inject a fake subroutine call to cctx_init */ |
619 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
1055 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
620 | |
1056 | |
621 | /* somebody will hit me for both perl_run and PL_restartop */ |
1057 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
622 | PL_restartop = PL_op; |
1058 | PL_restartop = PL_op; |
623 | perl_run (PL_curinterp); |
1059 | perl_run (PL_curinterp); |
624 | |
1060 | |
625 | fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr); |
1061 | /* |
626 | abort (); |
1062 | * If perl-run returns we assume exit() was being called or the coro |
|
|
1063 | * fell off the end, which seems to be the only valid (non-bug) |
|
|
1064 | * reason for perl_run to return. We try to exit by jumping to the |
|
|
1065 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
|
|
1066 | * coroutine as Coro has no such concept |
|
|
1067 | */ |
|
|
1068 | PL_top_env = main_top_env; |
|
|
1069 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
627 | } |
1070 | } |
628 | |
1071 | |
629 | static coro_cctx * |
1072 | static coro_cctx * |
630 | cctx_new () |
1073 | cctx_new () |
631 | { |
1074 | { |
… | |
… | |
636 | ++cctx_count; |
1079 | ++cctx_count; |
637 | |
1080 | |
638 | Newz (0, cctx, 1, coro_cctx); |
1081 | Newz (0, cctx, 1, coro_cctx); |
639 | |
1082 | |
640 | #if HAVE_MMAP |
1083 | #if HAVE_MMAP |
641 | |
|
|
642 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1084 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
643 | /* mmap supposedly does allocate-on-write for us */ |
1085 | /* mmap supposedly does allocate-on-write for us */ |
644 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1086 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
645 | |
1087 | |
646 | if (cctx->sptr != (void *)-1) |
1088 | if (cctx->sptr != (void *)-1) |
… | |
… | |
648 | # if CORO_STACKGUARD |
1090 | # if CORO_STACKGUARD |
649 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1091 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
650 | # endif |
1092 | # endif |
651 | stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
1093 | stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
652 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
1094 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
653 | cctx->mapped = 1; |
1095 | cctx->flags |= CC_MAPPED; |
654 | } |
1096 | } |
655 | else |
1097 | else |
656 | #endif |
1098 | #endif |
657 | { |
1099 | { |
658 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
1100 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
… | |
… | |
667 | stack_start = cctx->sptr; |
1109 | stack_start = cctx->sptr; |
668 | stack_size = cctx->ssize; |
1110 | stack_size = cctx->ssize; |
669 | } |
1111 | } |
670 | |
1112 | |
671 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
1113 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
672 | coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size); |
1114 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
673 | |
1115 | |
674 | return cctx; |
1116 | return cctx; |
675 | } |
1117 | } |
676 | |
1118 | |
677 | static void |
1119 | static void |
… | |
… | |
685 | #if CORO_USE_VALGRIND |
1127 | #if CORO_USE_VALGRIND |
686 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
1128 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
687 | #endif |
1129 | #endif |
688 | |
1130 | |
689 | #if HAVE_MMAP |
1131 | #if HAVE_MMAP |
690 | if (cctx->mapped) |
1132 | if (cctx->flags & CC_MAPPED) |
691 | munmap (cctx->sptr, cctx->ssize); |
1133 | munmap (cctx->sptr, cctx->ssize); |
692 | else |
1134 | else |
693 | #endif |
1135 | #endif |
694 | Safefree (cctx->sptr); |
1136 | Safefree (cctx->sptr); |
695 | |
1137 | |
696 | Safefree (cctx); |
1138 | Safefree (cctx); |
697 | } |
1139 | } |
698 | |
1140 | |
|
|
1141 | /* wether this cctx should be destructed */ |
|
|
1142 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
|
|
1143 | |
699 | static coro_cctx * |
1144 | static coro_cctx * |
700 | cctx_get (pTHX) |
1145 | cctx_get (pTHX) |
701 | { |
1146 | { |
702 | while (cctx_first) |
1147 | while (expect_true (cctx_first)) |
703 | { |
1148 | { |
704 | coro_cctx *cctx = cctx_first; |
1149 | coro_cctx *cctx = cctx_first; |
705 | cctx_first = cctx->next; |
1150 | cctx_first = cctx->next; |
706 | --cctx_idle; |
1151 | --cctx_idle; |
707 | |
1152 | |
708 | if (cctx->ssize >= coro_stacksize) |
1153 | if (expect_true (!CCTX_EXPIRED (cctx))) |
709 | return cctx; |
1154 | return cctx; |
710 | |
1155 | |
711 | cctx_destroy (cctx); |
1156 | cctx_destroy (cctx); |
712 | } |
1157 | } |
713 | |
1158 | |
714 | PL_op = PL_op->op_next; |
|
|
715 | return cctx_new (); |
1159 | return cctx_new (); |
716 | } |
1160 | } |
717 | |
1161 | |
718 | static void |
1162 | static void |
719 | cctx_put (coro_cctx *cctx) |
1163 | cctx_put (coro_cctx *cctx) |
720 | { |
1164 | { |
721 | /* free another cctx if overlimit */ |
1165 | /* free another cctx if overlimit */ |
722 | if (cctx_idle >= MAX_IDLE_CCTX) |
1166 | if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) |
723 | { |
1167 | { |
724 | coro_cctx *first = cctx_first; |
1168 | coro_cctx *first = cctx_first; |
725 | cctx_first = first->next; |
1169 | cctx_first = first->next; |
726 | --cctx_idle; |
1170 | --cctx_idle; |
727 | |
1171 | |
728 | assert (!first->inuse); |
|
|
729 | cctx_destroy (first); |
1172 | cctx_destroy (first); |
730 | } |
1173 | } |
731 | |
1174 | |
732 | ++cctx_idle; |
1175 | ++cctx_idle; |
733 | cctx->next = cctx_first; |
1176 | cctx->next = cctx_first; |
734 | cctx_first = cctx; |
1177 | cctx_first = cctx; |
735 | } |
1178 | } |
736 | |
1179 | |
737 | /** coroutine switching *****************************************************/ |
1180 | /** coroutine switching *****************************************************/ |
738 | |
1181 | |
739 | /* never call directly, always through the coro_state_transfer global variable */ |
1182 | static void |
|
|
1183 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
|
|
1184 | { |
|
|
1185 | if (expect_true (prev != next)) |
|
|
1186 | { |
|
|
1187 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
|
|
1188 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
|
|
1189 | |
|
|
1190 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1191 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
1192 | |
|
|
1193 | if (expect_false (next->flags & CF_DESTROYED)) |
|
|
1194 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
1195 | |
|
|
1196 | #if !PERL_VERSION_ATLEAST (5,10,0) |
|
|
1197 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
|
|
1198 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version"); |
|
|
1199 | #endif |
|
|
1200 | } |
|
|
1201 | } |
|
|
1202 | |
|
|
1203 | /* always use the TRANSFER macro */ |
740 | static void NOINLINE |
1204 | static void NOINLINE |
741 | transfer (pTHX_ struct coro *prev, struct coro *next) |
1205 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
742 | { |
1206 | { |
743 | dSTACKLEVEL; |
1207 | dSTACKLEVEL; |
|
|
1208 | static volatile int has_throw; |
744 | |
1209 | |
745 | /* sometimes transfer is only called to set idle_sp */ |
1210 | /* sometimes transfer is only called to set idle_sp */ |
746 | if (!next) |
1211 | if (expect_false (!next)) |
747 | { |
1212 | { |
748 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1213 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
749 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1214 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
750 | } |
1215 | } |
751 | else if (prev != next) |
1216 | else if (expect_true (prev != next)) |
752 | { |
1217 | { |
753 | coro_cctx *prev__cctx; |
1218 | coro_cctx *prev__cctx; |
754 | |
1219 | |
755 | if (prev->flags & CF_NEW) |
1220 | if (expect_false (prev->flags & CF_NEW)) |
756 | { |
1221 | { |
757 | /* create a new empty context */ |
1222 | /* create a new empty context */ |
758 | Newz (0, prev->cctx, 1, coro_cctx); |
1223 | Newz (0, prev->cctx, 1, coro_cctx); |
759 | prev->cctx->inuse = 1; |
|
|
760 | prev->flags &= ~CF_NEW; |
1224 | prev->flags &= ~CF_NEW; |
761 | prev->flags |= CF_RUNNING; |
1225 | prev->flags |= CF_RUNNING; |
762 | } |
1226 | } |
763 | |
1227 | |
764 | /*TODO: must not croak here */ |
|
|
765 | if (!prev->flags & CF_RUNNING) |
|
|
766 | croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states"); |
|
|
767 | |
|
|
768 | if (next->flags & CF_RUNNING) |
|
|
769 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
770 | |
|
|
771 | if (next->flags & CF_DESTROYED) |
|
|
772 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
773 | |
|
|
774 | prev->flags &= ~CF_RUNNING; |
1228 | prev->flags &= ~CF_RUNNING; |
775 | next->flags |= CF_RUNNING; |
1229 | next->flags |= CF_RUNNING; |
776 | |
1230 | |
777 | LOCK; |
1231 | LOCK; |
778 | |
1232 | |
|
|
1233 | /* first get rid of the old state */ |
|
|
1234 | save_perl (aTHX_ prev); |
|
|
1235 | |
779 | if (next->flags & CF_NEW) |
1236 | if (expect_false (next->flags & CF_NEW)) |
780 | { |
1237 | { |
781 | /* need to start coroutine */ |
1238 | /* need to start coroutine */ |
782 | next->flags &= ~CF_NEW; |
1239 | next->flags &= ~CF_NEW; |
783 | /* first get rid of the old state */ |
|
|
784 | save_perl (aTHX_ prev); |
|
|
785 | /* setup coroutine call */ |
1240 | /* setup coroutine call */ |
786 | setup_coro (aTHX_ next); |
1241 | coro_setup (aTHX_ next); |
787 | /* need a new stack */ |
|
|
788 | assert (!next->cctx); |
|
|
789 | } |
1242 | } |
790 | else |
1243 | else |
791 | { |
|
|
792 | /* coroutine already started */ |
|
|
793 | save_perl (aTHX_ prev); |
|
|
794 | load_perl (aTHX_ next); |
1244 | load_perl (aTHX_ next); |
795 | } |
|
|
796 | |
1245 | |
797 | prev__cctx = prev->cctx; |
1246 | prev__cctx = prev->cctx; |
798 | |
1247 | |
799 | /* possibly "free" the cctx */ |
1248 | /* possibly "free" the cctx */ |
|
|
1249 | if (expect_true ( |
800 | if (prev__cctx->idle_sp == STACKLEVEL) |
1250 | prev__cctx->idle_sp == STACKLEVEL |
|
|
1251 | && !(prev__cctx->flags & CC_TRACE) |
|
|
1252 | && !force_cctx |
|
|
1253 | )) |
801 | { |
1254 | { |
802 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1255 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
803 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1256 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
804 | |
1257 | |
805 | prev->cctx = 0; |
1258 | prev->cctx = 0; |
806 | |
1259 | |
|
|
1260 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
|
|
1261 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
|
|
1262 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
|
|
1263 | if (!next->cctx) |
|
|
1264 | next->cctx = cctx_get (aTHX); |
|
|
1265 | |
807 | cctx_put (prev__cctx); |
1266 | cctx_put (prev__cctx); |
808 | prev__cctx->inuse = 0; |
|
|
809 | } |
1267 | } |
810 | |
1268 | |
|
|
1269 | ++next->usecount; |
|
|
1270 | |
811 | if (!next->cctx) |
1271 | if (expect_true (!next->cctx)) |
812 | { |
|
|
813 | next->cctx = cctx_get (aTHX); |
1272 | next->cctx = cctx_get (aTHX); |
814 | assert (!next->cctx->inuse); |
|
|
815 | next->cctx->inuse = 1; |
|
|
816 | } |
|
|
817 | |
1273 | |
|
|
1274 | has_throw = !!next->throw; |
|
|
1275 | |
818 | if (prev__cctx != next->cctx) |
1276 | if (expect_false (prev__cctx != next->cctx)) |
819 | { |
1277 | { |
820 | prev__cctx->top_env = PL_top_env; |
1278 | prev__cctx->top_env = PL_top_env; |
821 | PL_top_env = next->cctx->top_env; |
1279 | PL_top_env = next->cctx->top_env; |
822 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1280 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
823 | } |
1281 | } |
824 | |
1282 | |
825 | free_coro_mortal (aTHX); |
1283 | free_coro_mortal (aTHX); |
826 | UNLOCK; |
1284 | UNLOCK; |
|
|
1285 | |
|
|
1286 | if (expect_false (has_throw)) |
|
|
1287 | { |
|
|
1288 | struct coro *coro = SvSTATE (coro_current); |
|
|
1289 | |
|
|
1290 | if (coro->throw) |
|
|
1291 | { |
|
|
1292 | SV *exception = coro->throw; |
|
|
1293 | coro->throw = 0; |
|
|
1294 | sv_setsv (ERRSV, exception); |
|
|
1295 | croak (0); |
|
|
1296 | } |
|
|
1297 | } |
827 | } |
1298 | } |
828 | } |
1299 | } |
829 | |
1300 | |
830 | struct transfer_args |
1301 | struct transfer_args |
831 | { |
1302 | { |
832 | struct coro *prev, *next; |
1303 | struct coro *prev, *next; |
833 | }; |
1304 | }; |
834 | |
1305 | |
|
|
1306 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
835 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
1307 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
836 | |
1308 | |
837 | /** high level stuff ********************************************************/ |
1309 | /** high level stuff ********************************************************/ |
838 | |
1310 | |
839 | static int |
1311 | static int |
840 | coro_state_destroy (pTHX_ struct coro *coro) |
1312 | coro_state_destroy (pTHX_ struct coro *coro) |
… | |
… | |
857 | |
1329 | |
858 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1330 | if (coro->mainstack && coro->mainstack != main_mainstack) |
859 | { |
1331 | { |
860 | struct coro temp; |
1332 | struct coro temp; |
861 | |
1333 | |
862 | assert (!(coro->flags & CF_RUNNING)); |
|
|
863 | |
|
|
864 | Zero (&temp, 1, struct coro); |
|
|
865 | temp.save = CORO_SAVE_ALL; |
|
|
866 | |
|
|
867 | if (coro->flags & CF_RUNNING) |
1334 | if (coro->flags & CF_RUNNING) |
868 | croak ("FATAL: tried to destroy currently running coroutine"); |
1335 | croak ("FATAL: tried to destroy currently running coroutine"); |
869 | |
1336 | |
870 | save_perl (aTHX_ &temp); |
1337 | save_perl (aTHX_ &temp); |
871 | load_perl (aTHX_ coro); |
1338 | load_perl (aTHX_ coro); |
872 | |
1339 | |
873 | coro_destroy_stacks (aTHX); |
1340 | coro_destroy (aTHX_ coro); |
874 | |
1341 | |
875 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
1342 | load_perl (aTHX_ &temp); |
876 | |
1343 | |
877 | coro->mainstack = 0; |
1344 | coro->slot = 0; |
878 | } |
1345 | } |
879 | |
1346 | |
880 | cctx_destroy (coro->cctx); |
1347 | cctx_destroy (coro->cctx); |
881 | SvREFCNT_dec (coro->args); |
1348 | SvREFCNT_dec (coro->args); |
882 | |
1349 | |
|
|
1350 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1351 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1352 | if (coro == coro_first) coro_first = coro->next; |
|
|
1353 | |
883 | return 1; |
1354 | return 1; |
884 | } |
1355 | } |
885 | |
1356 | |
886 | static int |
1357 | static int |
887 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1358 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
888 | { |
1359 | { |
889 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1360 | struct coro *coro = (struct coro *)mg->mg_ptr; |
890 | mg->mg_ptr = 0; |
1361 | mg->mg_ptr = 0; |
|
|
1362 | |
|
|
1363 | coro->hv = 0; |
891 | |
1364 | |
892 | if (--coro->refcnt < 0) |
1365 | if (--coro->refcnt < 0) |
893 | { |
1366 | { |
894 | coro_state_destroy (aTHX_ coro); |
1367 | coro_state_destroy (aTHX_ coro); |
895 | Safefree (coro); |
1368 | Safefree (coro); |
… | |
… | |
917 | #else |
1390 | #else |
918 | # define MGf_DUP 0 |
1391 | # define MGf_DUP 0 |
919 | #endif |
1392 | #endif |
920 | }; |
1393 | }; |
921 | |
1394 | |
922 | static struct coro * |
|
|
923 | SvSTATE_ (pTHX_ SV *coro) |
|
|
924 | { |
|
|
925 | HV *stash; |
|
|
926 | MAGIC *mg; |
|
|
927 | |
|
|
928 | if (SvROK (coro)) |
|
|
929 | coro = SvRV (coro); |
|
|
930 | |
|
|
931 | stash = SvSTASH (coro); |
|
|
932 | if (stash != coro_stash && stash != coro_state_stash) |
|
|
933 | { |
|
|
934 | /* very slow, but rare, check */ |
|
|
935 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
936 | croak ("Coro::State object required"); |
|
|
937 | } |
|
|
938 | |
|
|
939 | mg = CORO_MAGIC (coro); |
|
|
940 | return (struct coro *)mg->mg_ptr; |
|
|
941 | } |
|
|
942 | |
|
|
943 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
944 | |
|
|
945 | static void |
1395 | static void |
946 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1396 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
947 | { |
1397 | { |
948 | ta->prev = SvSTATE (prev_sv); |
1398 | ta->prev = SvSTATE (prev_sv); |
949 | ta->next = SvSTATE (next_sv); |
1399 | ta->next = SvSTATE (next_sv); |
|
|
1400 | TRANSFER_CHECK (*ta); |
950 | } |
1401 | } |
951 | |
1402 | |
952 | static void |
1403 | static void |
953 | api_transfer (SV *prev_sv, SV *next_sv) |
1404 | api_transfer (SV *prev_sv, SV *next_sv) |
954 | { |
1405 | { |
955 | dTHX; |
1406 | dTHX; |
956 | struct transfer_args ta; |
1407 | struct transfer_args ta; |
957 | |
1408 | |
958 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1409 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
959 | TRANSFER (ta); |
1410 | TRANSFER (ta, 1); |
960 | } |
|
|
961 | |
|
|
962 | static int |
|
|
963 | api_save (SV *coro_sv, int new_save) |
|
|
964 | { |
|
|
965 | dTHX; |
|
|
966 | struct coro *coro = SvSTATE (coro_sv); |
|
|
967 | int old_save = coro->save; |
|
|
968 | |
|
|
969 | if (new_save >= 0) |
|
|
970 | coro->save = new_save; |
|
|
971 | |
|
|
972 | return old_save; |
|
|
973 | } |
1411 | } |
974 | |
1412 | |
975 | /** Coro ********************************************************************/ |
1413 | /** Coro ********************************************************************/ |
976 | |
1414 | |
977 | static void |
1415 | static void |
… | |
… | |
979 | { |
1417 | { |
980 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1418 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
981 | } |
1419 | } |
982 | |
1420 | |
983 | static SV * |
1421 | static SV * |
984 | coro_deq (pTHX_ int min_prio) |
1422 | coro_deq (pTHX) |
985 | { |
1423 | { |
986 | int prio = PRIO_MAX - PRIO_MIN; |
1424 | int prio; |
987 | |
1425 | |
988 | min_prio -= PRIO_MIN; |
|
|
989 | if (min_prio < 0) |
|
|
990 | min_prio = 0; |
|
|
991 | |
|
|
992 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) |
1426 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
993 | if (AvFILLp (coro_ready [prio]) >= 0) |
1427 | if (AvFILLp (coro_ready [prio]) >= 0) |
994 | return av_shift (coro_ready [prio]); |
1428 | return av_shift (coro_ready [prio]); |
995 | |
1429 | |
996 | return 0; |
1430 | return 0; |
997 | } |
1431 | } |
… | |
… | |
999 | static int |
1433 | static int |
1000 | api_ready (SV *coro_sv) |
1434 | api_ready (SV *coro_sv) |
1001 | { |
1435 | { |
1002 | dTHX; |
1436 | dTHX; |
1003 | struct coro *coro; |
1437 | struct coro *coro; |
|
|
1438 | SV *sv_hook; |
|
|
1439 | void (*xs_hook)(void); |
1004 | |
1440 | |
1005 | if (SvROK (coro_sv)) |
1441 | if (SvROK (coro_sv)) |
1006 | coro_sv = SvRV (coro_sv); |
1442 | coro_sv = SvRV (coro_sv); |
1007 | |
1443 | |
1008 | coro = SvSTATE (coro_sv); |
1444 | coro = SvSTATE (coro_sv); |
… | |
… | |
1011 | return 0; |
1447 | return 0; |
1012 | |
1448 | |
1013 | coro->flags |= CF_READY; |
1449 | coro->flags |= CF_READY; |
1014 | |
1450 | |
1015 | LOCK; |
1451 | LOCK; |
|
|
1452 | |
|
|
1453 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1454 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1455 | |
1016 | coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); |
1456 | coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv)); |
1017 | ++coro_nready; |
1457 | ++coro_nready; |
|
|
1458 | |
1018 | UNLOCK; |
1459 | UNLOCK; |
|
|
1460 | |
|
|
1461 | if (sv_hook) |
|
|
1462 | { |
|
|
1463 | dSP; |
|
|
1464 | |
|
|
1465 | ENTER; |
|
|
1466 | SAVETMPS; |
|
|
1467 | |
|
|
1468 | PUSHMARK (SP); |
|
|
1469 | PUTBACK; |
|
|
1470 | call_sv (sv_hook, G_DISCARD); |
|
|
1471 | SPAGAIN; |
|
|
1472 | |
|
|
1473 | FREETMPS; |
|
|
1474 | LEAVE; |
|
|
1475 | } |
|
|
1476 | |
|
|
1477 | if (xs_hook) |
|
|
1478 | xs_hook (); |
1019 | |
1479 | |
1020 | return 1; |
1480 | return 1; |
1021 | } |
1481 | } |
1022 | |
1482 | |
1023 | static int |
1483 | static int |
… | |
… | |
1033 | SV *prev_sv, *next_sv; |
1493 | SV *prev_sv, *next_sv; |
1034 | |
1494 | |
1035 | for (;;) |
1495 | for (;;) |
1036 | { |
1496 | { |
1037 | LOCK; |
1497 | LOCK; |
1038 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1498 | next_sv = coro_deq (aTHX); |
1039 | |
1499 | |
1040 | /* nothing to schedule: call the idle handler */ |
1500 | /* nothing to schedule: call the idle handler */ |
1041 | if (!next_sv) |
1501 | if (expect_false (!next_sv)) |
1042 | { |
1502 | { |
1043 | dSP; |
1503 | dSP; |
1044 | UNLOCK; |
1504 | UNLOCK; |
1045 | |
1505 | |
1046 | ENTER; |
1506 | ENTER; |
1047 | SAVETMPS; |
1507 | SAVETMPS; |
1048 | |
1508 | |
1049 | PUSHMARK (SP); |
1509 | PUSHMARK (SP); |
1050 | PUTBACK; |
1510 | PUTBACK; |
1051 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
1511 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
|
|
1512 | SPAGAIN; |
1052 | |
1513 | |
1053 | FREETMPS; |
1514 | FREETMPS; |
1054 | LEAVE; |
1515 | LEAVE; |
1055 | continue; |
1516 | continue; |
1056 | } |
1517 | } |
1057 | |
1518 | |
1058 | ta->next = SvSTATE (next_sv); |
1519 | ta->next = SvSTATE (next_sv); |
1059 | |
1520 | |
1060 | /* cannot transfer to destroyed coros, skip and look for next */ |
1521 | /* cannot transfer to destroyed coros, skip and look for next */ |
1061 | if (ta->next->flags & CF_DESTROYED) |
1522 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1062 | { |
1523 | { |
1063 | UNLOCK; |
1524 | UNLOCK; |
1064 | SvREFCNT_dec (next_sv); |
1525 | SvREFCNT_dec (next_sv); |
1065 | /* coro_nready is already taken care of by destroy */ |
1526 | /* coro_nready is already taken care of by destroy */ |
1066 | continue; |
1527 | continue; |
… | |
… | |
1071 | break; |
1532 | break; |
1072 | } |
1533 | } |
1073 | |
1534 | |
1074 | /* free this only after the transfer */ |
1535 | /* free this only after the transfer */ |
1075 | prev_sv = SvRV (coro_current); |
1536 | prev_sv = SvRV (coro_current); |
1076 | SvRV_set (coro_current, next_sv); |
|
|
1077 | ta->prev = SvSTATE (prev_sv); |
1537 | ta->prev = SvSTATE (prev_sv); |
1078 | |
1538 | TRANSFER_CHECK (*ta); |
1079 | assert (ta->next->flags & CF_READY); |
1539 | assert (ta->next->flags & CF_READY); |
1080 | ta->next->flags &= ~CF_READY; |
1540 | ta->next->flags &= ~CF_READY; |
|
|
1541 | SvRV_set (coro_current, next_sv); |
1081 | |
1542 | |
1082 | LOCK; |
1543 | LOCK; |
1083 | free_coro_mortal (aTHX); |
1544 | free_coro_mortal (aTHX); |
1084 | coro_mortal = prev_sv; |
1545 | coro_mortal = prev_sv; |
1085 | UNLOCK; |
1546 | UNLOCK; |
… | |
… | |
1111 | { |
1572 | { |
1112 | dTHX; |
1573 | dTHX; |
1113 | struct transfer_args ta; |
1574 | struct transfer_args ta; |
1114 | |
1575 | |
1115 | prepare_schedule (aTHX_ &ta); |
1576 | prepare_schedule (aTHX_ &ta); |
1116 | TRANSFER (ta); |
1577 | TRANSFER (ta, 1); |
1117 | } |
1578 | } |
1118 | |
1579 | |
1119 | static int |
1580 | static int |
1120 | api_cede (void) |
1581 | api_cede (void) |
1121 | { |
1582 | { |
1122 | dTHX; |
1583 | dTHX; |
1123 | struct transfer_args ta; |
1584 | struct transfer_args ta; |
1124 | |
1585 | |
1125 | prepare_cede (aTHX_ &ta); |
1586 | prepare_cede (aTHX_ &ta); |
1126 | |
1587 | |
1127 | if (ta.prev != ta.next) |
1588 | if (expect_true (ta.prev != ta.next)) |
1128 | { |
1589 | { |
1129 | TRANSFER (ta); |
1590 | TRANSFER (ta, 1); |
1130 | return 1; |
1591 | return 1; |
1131 | } |
1592 | } |
1132 | else |
1593 | else |
1133 | return 0; |
1594 | return 0; |
1134 | } |
1595 | } |
… | |
… | |
1139 | dTHX; |
1600 | dTHX; |
1140 | struct transfer_args ta; |
1601 | struct transfer_args ta; |
1141 | |
1602 | |
1142 | if (prepare_cede_notself (aTHX_ &ta)) |
1603 | if (prepare_cede_notself (aTHX_ &ta)) |
1143 | { |
1604 | { |
1144 | TRANSFER (ta); |
1605 | TRANSFER (ta, 1); |
1145 | return 1; |
1606 | return 1; |
1146 | } |
1607 | } |
1147 | else |
1608 | else |
1148 | return 0; |
1609 | return 0; |
1149 | } |
1610 | } |
1150 | |
1611 | |
|
|
1612 | static void |
|
|
1613 | api_trace (SV *coro_sv, int flags) |
|
|
1614 | { |
|
|
1615 | dTHX; |
|
|
1616 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1617 | |
|
|
1618 | if (flags & CC_TRACE) |
|
|
1619 | { |
|
|
1620 | if (!coro->cctx) |
|
|
1621 | coro->cctx = cctx_new (); |
|
|
1622 | else if (!(coro->cctx->flags & CC_TRACE)) |
|
|
1623 | croak ("cannot enable tracing on coroutine with custom stack"); |
|
|
1624 | |
|
|
1625 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
|
|
1626 | } |
|
|
1627 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
|
|
1628 | { |
|
|
1629 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
|
|
1630 | |
|
|
1631 | if (coro->flags & CF_RUNNING) |
|
|
1632 | PL_runops = RUNOPS_DEFAULT; |
|
|
1633 | else |
|
|
1634 | coro->slot->runops = RUNOPS_DEFAULT; |
|
|
1635 | } |
|
|
1636 | } |
|
|
1637 | |
|
|
1638 | static int |
|
|
1639 | coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
1640 | { |
|
|
1641 | AV *padlist; |
|
|
1642 | AV *av = (AV *)mg->mg_obj; |
|
|
1643 | |
|
|
1644 | abort (); |
|
|
1645 | |
|
|
1646 | return 0; |
|
|
1647 | } |
|
|
1648 | |
|
|
1649 | static MGVTBL coro_gensub_vtbl = { |
|
|
1650 | 0, 0, 0, 0, |
|
|
1651 | coro_gensub_free |
|
|
1652 | }; |
|
|
1653 | |
|
|
1654 | /*****************************************************************************/ |
|
|
1655 | /* PerlIO::cede */ |
|
|
1656 | |
|
|
1657 | typedef struct |
|
|
1658 | { |
|
|
1659 | PerlIOBuf base; |
|
|
1660 | NV next, every; |
|
|
1661 | } PerlIOCede; |
|
|
1662 | |
|
|
1663 | static IV |
|
|
1664 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
|
|
1665 | { |
|
|
1666 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1667 | |
|
|
1668 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
|
|
1669 | self->next = nvtime () + self->every; |
|
|
1670 | |
|
|
1671 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
|
|
1672 | } |
|
|
1673 | |
|
|
1674 | static SV * |
|
|
1675 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
|
|
1676 | { |
|
|
1677 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1678 | |
|
|
1679 | return newSVnv (self->every); |
|
|
1680 | } |
|
|
1681 | |
|
|
1682 | static IV |
|
|
1683 | PerlIOCede_flush (pTHX_ PerlIO *f) |
|
|
1684 | { |
|
|
1685 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1686 | double now = nvtime (); |
|
|
1687 | |
|
|
1688 | if (now >= self->next) |
|
|
1689 | { |
|
|
1690 | api_cede (); |
|
|
1691 | self->next = now + self->every; |
|
|
1692 | } |
|
|
1693 | |
|
|
1694 | return PerlIOBuf_flush (aTHX_ f); |
|
|
1695 | } |
|
|
1696 | |
|
|
1697 | static PerlIO_funcs PerlIO_cede = |
|
|
1698 | { |
|
|
1699 | sizeof(PerlIO_funcs), |
|
|
1700 | "cede", |
|
|
1701 | sizeof(PerlIOCede), |
|
|
1702 | PERLIO_K_DESTRUCT | PERLIO_K_RAW, |
|
|
1703 | PerlIOCede_pushed, |
|
|
1704 | PerlIOBuf_popped, |
|
|
1705 | PerlIOBuf_open, |
|
|
1706 | PerlIOBase_binmode, |
|
|
1707 | PerlIOCede_getarg, |
|
|
1708 | PerlIOBase_fileno, |
|
|
1709 | PerlIOBuf_dup, |
|
|
1710 | PerlIOBuf_read, |
|
|
1711 | PerlIOBuf_unread, |
|
|
1712 | PerlIOBuf_write, |
|
|
1713 | PerlIOBuf_seek, |
|
|
1714 | PerlIOBuf_tell, |
|
|
1715 | PerlIOBuf_close, |
|
|
1716 | PerlIOCede_flush, |
|
|
1717 | PerlIOBuf_fill, |
|
|
1718 | PerlIOBase_eof, |
|
|
1719 | PerlIOBase_error, |
|
|
1720 | PerlIOBase_clearerr, |
|
|
1721 | PerlIOBase_setlinebuf, |
|
|
1722 | PerlIOBuf_get_base, |
|
|
1723 | PerlIOBuf_bufsiz, |
|
|
1724 | PerlIOBuf_get_ptr, |
|
|
1725 | PerlIOBuf_get_cnt, |
|
|
1726 | PerlIOBuf_set_ptrcnt, |
|
|
1727 | }; |
|
|
1728 | |
|
|
1729 | |
1151 | MODULE = Coro::State PACKAGE = Coro::State |
1730 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1152 | |
1731 | |
1153 | PROTOTYPES: DISABLE |
1732 | PROTOTYPES: DISABLE |
1154 | |
1733 | |
1155 | BOOT: |
1734 | BOOT: |
1156 | { |
1735 | { |
1157 | #ifdef USE_ITHREADS |
1736 | #ifdef USE_ITHREADS |
1158 | MUTEX_INIT (&coro_mutex); |
1737 | MUTEX_INIT (&coro_mutex); |
1159 | #endif |
1738 | #endif |
1160 | BOOT_PAGESIZE; |
1739 | BOOT_PAGESIZE; |
1161 | |
1740 | |
|
|
1741 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
|
|
1742 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
|
|
1743 | |
|
|
1744 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
|
|
1745 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
|
|
1746 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
|
|
1747 | |
|
|
1748 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
1749 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
|
|
1750 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
|
|
1751 | |
1162 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1752 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1163 | |
1753 | |
|
|
1754 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
|
|
1755 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1164 | newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); |
1756 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
1165 | newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); |
|
|
1166 | newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); |
|
|
1167 | newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); |
|
|
1168 | newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); |
1757 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
1169 | |
1758 | |
1170 | main_mainstack = PL_mainstack; |
1759 | main_mainstack = PL_mainstack; |
|
|
1760 | main_top_env = PL_top_env; |
1171 | |
1761 | |
|
|
1762 | while (main_top_env->je_prev) |
|
|
1763 | main_top_env = main_top_env->je_prev; |
|
|
1764 | |
1172 | coroapi.ver = CORO_API_VERSION; |
1765 | coroapi.ver = CORO_API_VERSION; |
|
|
1766 | coroapi.rev = CORO_API_REVISION; |
1173 | coroapi.transfer = api_transfer; |
1767 | coroapi.transfer = api_transfer; |
|
|
1768 | |
|
|
1769 | { |
|
|
1770 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
1771 | |
|
|
1772 | if (!svp) croak ("Time::HiRes is required"); |
|
|
1773 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
1774 | |
|
|
1775 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
1776 | } |
1174 | |
1777 | |
1175 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1778 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1176 | } |
1779 | } |
1177 | |
1780 | |
1178 | SV * |
1781 | SV * |
1179 | new (char *klass, ...) |
1782 | new (char *klass, ...) |
1180 | CODE: |
1783 | CODE: |
1181 | { |
1784 | { |
1182 | struct coro *coro; |
1785 | struct coro *coro; |
|
|
1786 | MAGIC *mg; |
1183 | HV *hv; |
1787 | HV *hv; |
1184 | int i; |
1788 | int i; |
1185 | |
1789 | |
1186 | Newz (0, coro, 1, struct coro); |
1790 | Newz (0, coro, 1, struct coro); |
1187 | coro->args = newAV (); |
1791 | coro->args = newAV (); |
1188 | coro->save = CORO_SAVE_ALL; |
|
|
1189 | coro->flags = CF_NEW; |
1792 | coro->flags = CF_NEW; |
1190 | |
1793 | |
|
|
1794 | if (coro_first) coro_first->prev = coro; |
|
|
1795 | coro->next = coro_first; |
|
|
1796 | coro_first = coro; |
|
|
1797 | |
1191 | hv = newHV (); |
1798 | coro->hv = hv = newHV (); |
1192 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1799 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
1800 | mg->mg_flags |= MGf_DUP; |
1193 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1801 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1194 | |
1802 | |
|
|
1803 | av_extend (coro->args, items - 1); |
1195 | for (i = 1; i < items; i++) |
1804 | for (i = 1; i < items; i++) |
1196 | av_push (coro->args, newSVsv (ST (i))); |
1805 | av_push (coro->args, newSVsv (ST (i))); |
1197 | } |
1806 | } |
1198 | OUTPUT: |
1807 | OUTPUT: |
1199 | RETVAL |
1808 | RETVAL |
1200 | |
1809 | |
1201 | int |
1810 | # these not obviously related functions are all rolled into the same xs |
1202 | save (SV *coro, int new_save = -1) |
1811 | # function to increase chances that they all will call transfer with the same |
1203 | CODE: |
1812 | # stack offset |
1204 | RETVAL = api_save (coro, new_save); |
|
|
1205 | OUTPUT: |
|
|
1206 | RETVAL |
|
|
1207 | |
|
|
1208 | void |
1813 | void |
1209 | _set_stacklevel (...) |
1814 | _set_stacklevel (...) |
1210 | ALIAS: |
1815 | ALIAS: |
1211 | Coro::State::transfer = 1 |
1816 | Coro::State::transfer = 1 |
1212 | Coro::schedule = 2 |
1817 | Coro::schedule = 2 |
… | |
… | |
1214 | Coro::cede_notself = 4 |
1819 | Coro::cede_notself = 4 |
1215 | CODE: |
1820 | CODE: |
1216 | { |
1821 | { |
1217 | struct transfer_args ta; |
1822 | struct transfer_args ta; |
1218 | |
1823 | |
|
|
1824 | PUTBACK; |
1219 | switch (ix) |
1825 | switch (ix) |
1220 | { |
1826 | { |
1221 | case 0: |
1827 | case 0: |
1222 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1828 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1223 | ta.next = 0; |
1829 | ta.next = 0; |
… | |
… | |
1242 | if (!prepare_cede_notself (aTHX_ &ta)) |
1848 | if (!prepare_cede_notself (aTHX_ &ta)) |
1243 | XSRETURN_EMPTY; |
1849 | XSRETURN_EMPTY; |
1244 | |
1850 | |
1245 | break; |
1851 | break; |
1246 | } |
1852 | } |
|
|
1853 | SPAGAIN; |
1247 | |
1854 | |
1248 | BARRIER; |
1855 | BARRIER; |
|
|
1856 | PUTBACK; |
1249 | TRANSFER (ta); |
1857 | TRANSFER (ta, 0); |
1250 | |
1858 | SPAGAIN; /* might be the sp of a different coroutine now */ |
1251 | if (GIMME_V != G_VOID && ta.next != ta.prev) |
1859 | /* be extra careful not to ever do anything after TRANSFER */ |
1252 | XSRETURN_YES; |
|
|
1253 | } |
1860 | } |
1254 | |
1861 | |
1255 | bool |
1862 | bool |
1256 | _destroy (SV *coro_sv) |
1863 | _destroy (SV *coro_sv) |
1257 | CODE: |
1864 | CODE: |
1258 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1865 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1259 | OUTPUT: |
1866 | OUTPUT: |
1260 | RETVAL |
1867 | RETVAL |
1261 | |
1868 | |
1262 | void |
1869 | void |
1263 | _exit (code) |
1870 | _exit (int code) |
1264 | int code |
|
|
1265 | PROTOTYPE: $ |
1871 | PROTOTYPE: $ |
1266 | CODE: |
1872 | CODE: |
1267 | _exit (code); |
1873 | _exit (code); |
1268 | |
1874 | |
1269 | int |
1875 | int |
… | |
… | |
1287 | CODE: |
1893 | CODE: |
1288 | RETVAL = cctx_idle; |
1894 | RETVAL = cctx_idle; |
1289 | OUTPUT: |
1895 | OUTPUT: |
1290 | RETVAL |
1896 | RETVAL |
1291 | |
1897 | |
|
|
1898 | void |
|
|
1899 | list () |
|
|
1900 | PPCODE: |
|
|
1901 | { |
|
|
1902 | struct coro *coro; |
|
|
1903 | for (coro = coro_first; coro; coro = coro->next) |
|
|
1904 | if (coro->hv) |
|
|
1905 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
|
|
1906 | } |
|
|
1907 | |
|
|
1908 | void |
|
|
1909 | call (Coro::State coro, SV *coderef) |
|
|
1910 | ALIAS: |
|
|
1911 | eval = 1 |
|
|
1912 | CODE: |
|
|
1913 | { |
|
|
1914 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
|
|
1915 | { |
|
|
1916 | struct coro temp; |
|
|
1917 | |
|
|
1918 | if (!(coro->flags & CF_RUNNING)) |
|
|
1919 | { |
|
|
1920 | PUTBACK; |
|
|
1921 | save_perl (aTHX_ &temp); |
|
|
1922 | load_perl (aTHX_ coro); |
|
|
1923 | } |
|
|
1924 | |
|
|
1925 | { |
|
|
1926 | dSP; |
|
|
1927 | ENTER; |
|
|
1928 | SAVETMPS; |
|
|
1929 | PUTBACK; |
|
|
1930 | PUSHSTACK; |
|
|
1931 | PUSHMARK (SP); |
|
|
1932 | |
|
|
1933 | if (ix) |
|
|
1934 | eval_sv (coderef, 0); |
|
|
1935 | else |
|
|
1936 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
1937 | |
|
|
1938 | POPSTACK; |
|
|
1939 | SPAGAIN; |
|
|
1940 | FREETMPS; |
|
|
1941 | LEAVE; |
|
|
1942 | PUTBACK; |
|
|
1943 | } |
|
|
1944 | |
|
|
1945 | if (!(coro->flags & CF_RUNNING)) |
|
|
1946 | { |
|
|
1947 | save_perl (aTHX_ coro); |
|
|
1948 | load_perl (aTHX_ &temp); |
|
|
1949 | SPAGAIN; |
|
|
1950 | } |
|
|
1951 | } |
|
|
1952 | } |
|
|
1953 | |
|
|
1954 | SV * |
|
|
1955 | is_ready (Coro::State coro) |
|
|
1956 | PROTOTYPE: $ |
|
|
1957 | ALIAS: |
|
|
1958 | is_ready = CF_READY |
|
|
1959 | is_running = CF_RUNNING |
|
|
1960 | is_new = CF_NEW |
|
|
1961 | is_destroyed = CF_DESTROYED |
|
|
1962 | CODE: |
|
|
1963 | RETVAL = boolSV (coro->flags & ix); |
|
|
1964 | OUTPUT: |
|
|
1965 | RETVAL |
|
|
1966 | |
|
|
1967 | void |
|
|
1968 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
|
|
1969 | |
|
|
1970 | SV * |
|
|
1971 | has_cctx (Coro::State coro) |
|
|
1972 | PROTOTYPE: $ |
|
|
1973 | CODE: |
|
|
1974 | RETVAL = boolSV (!!coro->cctx); |
|
|
1975 | OUTPUT: |
|
|
1976 | RETVAL |
|
|
1977 | |
|
|
1978 | int |
|
|
1979 | is_traced (Coro::State coro) |
|
|
1980 | PROTOTYPE: $ |
|
|
1981 | CODE: |
|
|
1982 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
|
|
1983 | OUTPUT: |
|
|
1984 | RETVAL |
|
|
1985 | |
|
|
1986 | IV |
|
|
1987 | rss (Coro::State coro) |
|
|
1988 | PROTOTYPE: $ |
|
|
1989 | ALIAS: |
|
|
1990 | usecount = 1 |
|
|
1991 | CODE: |
|
|
1992 | switch (ix) |
|
|
1993 | { |
|
|
1994 | case 0: RETVAL = coro_rss (aTHX_ coro); break; |
|
|
1995 | case 1: RETVAL = coro->usecount; break; |
|
|
1996 | } |
|
|
1997 | OUTPUT: |
|
|
1998 | RETVAL |
|
|
1999 | |
|
|
2000 | void |
|
|
2001 | force_cctx () |
|
|
2002 | CODE: |
|
|
2003 | struct coro *coro = SvSTATE (coro_current); |
|
|
2004 | coro->cctx->idle_sp = 0; |
|
|
2005 | |
|
|
2006 | void |
|
|
2007 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
2008 | PROTOTYPE: $;$ |
|
|
2009 | CODE: |
|
|
2010 | SvREFCNT_dec (self->throw); |
|
|
2011 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
2012 | |
|
|
2013 | void |
|
|
2014 | swap_defsv (Coro::State self) |
|
|
2015 | PROTOTYPE: $ |
|
|
2016 | ALIAS: |
|
|
2017 | swap_defav = 1 |
|
|
2018 | CODE: |
|
|
2019 | if (!self->slot) |
|
|
2020 | croak ("cannot swap state with coroutine that has no saved state"); |
|
|
2021 | else |
|
|
2022 | { |
|
|
2023 | SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv); |
|
|
2024 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
|
|
2025 | |
|
|
2026 | SV *tmp = *src; *src = *dst; *dst = tmp; |
|
|
2027 | } |
|
|
2028 | |
1292 | MODULE = Coro::State PACKAGE = Coro |
2029 | MODULE = Coro::State PACKAGE = Coro |
1293 | |
2030 | |
1294 | BOOT: |
2031 | BOOT: |
1295 | { |
2032 | { |
1296 | int i; |
2033 | int i; |
1297 | |
2034 | |
|
|
2035 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2036 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
|
|
2037 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
|
|
2038 | |
|
|
2039 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
|
|
2040 | SvREADONLY_on (coro_current); |
|
|
2041 | |
1298 | coro_stash = gv_stashpv ("Coro", TRUE); |
2042 | coro_stash = gv_stashpv ("Coro", TRUE); |
1299 | |
2043 | |
1300 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
2044 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1301 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
2045 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1302 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
2046 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1303 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
2047 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1304 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
2048 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
1305 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
2049 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
1306 | |
2050 | |
1307 | coro_current = get_sv ("Coro::current", FALSE); |
|
|
1308 | SvREADONLY_on (coro_current); |
|
|
1309 | |
|
|
1310 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
2051 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1311 | coro_ready[i] = newAV (); |
2052 | coro_ready[i] = newAV (); |
1312 | |
2053 | |
1313 | { |
2054 | { |
1314 | SV *sv = perl_get_sv("Coro::API", 1); |
2055 | SV *sv = perl_get_sv ("Coro::API", TRUE); |
|
|
2056 | perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */ |
1315 | |
2057 | |
1316 | coroapi.schedule = api_schedule; |
2058 | coroapi.schedule = api_schedule; |
1317 | coroapi.save = api_save; |
|
|
1318 | coroapi.cede = api_cede; |
2059 | coroapi.cede = api_cede; |
1319 | coroapi.cede_notself = api_cede_notself; |
2060 | coroapi.cede_notself = api_cede_notself; |
1320 | coroapi.ready = api_ready; |
2061 | coroapi.ready = api_ready; |
1321 | coroapi.is_ready = api_is_ready; |
2062 | coroapi.is_ready = api_is_ready; |
1322 | coroapi.nready = &coro_nready; |
2063 | coroapi.nready = &coro_nready; |
… | |
… | |
1331 | void |
2072 | void |
1332 | _set_current (SV *current) |
2073 | _set_current (SV *current) |
1333 | PROTOTYPE: $ |
2074 | PROTOTYPE: $ |
1334 | CODE: |
2075 | CODE: |
1335 | SvREFCNT_dec (SvRV (coro_current)); |
2076 | SvREFCNT_dec (SvRV (coro_current)); |
1336 | SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); |
2077 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
|
|
2078 | |
|
|
2079 | void |
|
|
2080 | _set_readyhook (SV *hook) |
|
|
2081 | PROTOTYPE: $ |
|
|
2082 | CODE: |
|
|
2083 | LOCK; |
|
|
2084 | SvREFCNT_dec (coro_readyhook); |
|
|
2085 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
|
|
2086 | UNLOCK; |
1337 | |
2087 | |
1338 | int |
2088 | int |
1339 | prio (Coro::State coro, int newprio = 0) |
2089 | prio (Coro::State coro, int newprio = 0) |
1340 | ALIAS: |
2090 | ALIAS: |
1341 | nice = 1 |
2091 | nice = 1 |
… | |
… | |
1363 | CODE: |
2113 | CODE: |
1364 | RETVAL = boolSV (api_ready (self)); |
2114 | RETVAL = boolSV (api_ready (self)); |
1365 | OUTPUT: |
2115 | OUTPUT: |
1366 | RETVAL |
2116 | RETVAL |
1367 | |
2117 | |
1368 | SV * |
|
|
1369 | is_ready (SV *self) |
|
|
1370 | PROTOTYPE: $ |
|
|
1371 | CODE: |
|
|
1372 | RETVAL = boolSV (api_is_ready (self)); |
|
|
1373 | OUTPUT: |
|
|
1374 | RETVAL |
|
|
1375 | |
|
|
1376 | int |
2118 | int |
1377 | nready (...) |
2119 | nready (...) |
1378 | PROTOTYPE: |
2120 | PROTOTYPE: |
1379 | CODE: |
2121 | CODE: |
1380 | RETVAL = coro_nready; |
2122 | RETVAL = coro_nready; |
1381 | OUTPUT: |
2123 | OUTPUT: |
1382 | RETVAL |
2124 | RETVAL |
1383 | |
2125 | |
|
|
2126 | # for async_pool speedup |
|
|
2127 | void |
|
|
2128 | _pool_1 (SV *cb) |
|
|
2129 | CODE: |
|
|
2130 | { |
|
|
2131 | struct coro *coro = SvSTATE (coro_current); |
|
|
2132 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2133 | AV *defav = GvAV (PL_defgv); |
|
|
2134 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
2135 | AV *invoke_av; |
|
|
2136 | int i, len; |
|
|
2137 | |
|
|
2138 | if (!invoke) |
|
|
2139 | { |
|
|
2140 | SV *old = PL_diehook; |
|
|
2141 | PL_diehook = 0; |
|
|
2142 | SvREFCNT_dec (old); |
|
|
2143 | croak ("\3async_pool terminate\2\n"); |
|
|
2144 | } |
|
|
2145 | |
|
|
2146 | SvREFCNT_dec (coro->saved_deffh); |
|
|
2147 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
2148 | |
|
|
2149 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2150 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
2151 | |
|
|
2152 | invoke_av = (AV *)SvRV (invoke); |
|
|
2153 | len = av_len (invoke_av); |
|
|
2154 | |
|
|
2155 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
2156 | |
|
|
2157 | if (len > 0) |
|
|
2158 | { |
|
|
2159 | av_fill (defav, len - 1); |
|
|
2160 | for (i = 0; i < len; ++i) |
|
|
2161 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
|
|
2162 | } |
|
|
2163 | |
|
|
2164 | SvREFCNT_dec (invoke); |
|
|
2165 | } |
|
|
2166 | |
|
|
2167 | void |
|
|
2168 | _pool_2 (SV *cb) |
|
|
2169 | CODE: |
|
|
2170 | { |
|
|
2171 | struct coro *coro = SvSTATE (coro_current); |
|
|
2172 | |
|
|
2173 | sv_setsv (cb, &PL_sv_undef); |
|
|
2174 | |
|
|
2175 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
2176 | coro->saved_deffh = 0; |
|
|
2177 | |
|
|
2178 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
|
|
2179 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2180 | { |
|
|
2181 | SV *old = PL_diehook; |
|
|
2182 | PL_diehook = 0; |
|
|
2183 | SvREFCNT_dec (old); |
|
|
2184 | croak ("\3async_pool terminate\2\n"); |
|
|
2185 | } |
|
|
2186 | |
|
|
2187 | av_clear (GvAV (PL_defgv)); |
|
|
2188 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
|
|
2189 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
2190 | |
|
|
2191 | coro->prio = 0; |
|
|
2192 | |
|
|
2193 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
2194 | api_trace (coro_current, 0); |
|
|
2195 | |
|
|
2196 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
2197 | } |
|
|
2198 | |
|
|
2199 | #if 0 |
|
|
2200 | |
|
|
2201 | void |
|
|
2202 | _generator_call (...) |
|
|
2203 | PROTOTYPE: @ |
|
|
2204 | PPCODE: |
|
|
2205 | fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr); |
|
|
2206 | xxxx |
|
|
2207 | abort (); |
|
|
2208 | |
|
|
2209 | SV * |
|
|
2210 | gensub (SV *sub, ...) |
|
|
2211 | PROTOTYPE: &;@ |
|
|
2212 | CODE: |
|
|
2213 | { |
|
|
2214 | struct coro *coro; |
|
|
2215 | MAGIC *mg; |
|
|
2216 | CV *xcv; |
|
|
2217 | CV *ncv = (CV *)newSV_type (SVt_PVCV); |
|
|
2218 | int i; |
|
|
2219 | |
|
|
2220 | CvGV (ncv) = CvGV (cv); |
|
|
2221 | CvFILE (ncv) = CvFILE (cv); |
|
|
2222 | |
|
|
2223 | Newz (0, coro, 1, struct coro); |
|
|
2224 | coro->args = newAV (); |
|
|
2225 | coro->flags = CF_NEW; |
|
|
2226 | |
|
|
2227 | av_extend (coro->args, items - 1); |
|
|
2228 | for (i = 1; i < items; i++) |
|
|
2229 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2230 | |
|
|
2231 | CvISXSUB_on (ncv); |
|
|
2232 | CvXSUBANY (ncv).any_ptr = (void *)coro; |
|
|
2233 | |
|
|
2234 | xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV)); |
|
|
2235 | |
|
|
2236 | CvXSUB (ncv) = CvXSUB (xcv); |
|
|
2237 | CvANON_on (ncv); |
|
|
2238 | |
|
|
2239 | mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0); |
|
|
2240 | RETVAL = newRV_noinc ((SV *)ncv); |
|
|
2241 | } |
|
|
2242 | OUTPUT: |
|
|
2243 | RETVAL |
|
|
2244 | |
|
|
2245 | #endif |
|
|
2246 | |
|
|
2247 | |
1384 | MODULE = Coro::State PACKAGE = Coro::AIO |
2248 | MODULE = Coro::State PACKAGE = Coro::AIO |
1385 | |
2249 | |
1386 | SV * |
2250 | void |
1387 | _get_state () |
2251 | _get_state (SV *self) |
1388 | CODE: |
2252 | PPCODE: |
1389 | { |
2253 | { |
1390 | struct io_state *data; |
2254 | AV *defav = GvAV (PL_defgv); |
1391 | |
2255 | AV *av = newAV (); |
|
|
2256 | int i; |
1392 | RETVAL = newSV (sizeof (struct io_state)); |
2257 | SV *data_sv = newSV (sizeof (struct io_state)); |
1393 | data = (struct io_state *)SvPVX (RETVAL); |
2258 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
1394 | SvCUR_set (RETVAL, sizeof (struct io_state)); |
2259 | SvCUR_set (data_sv, sizeof (struct io_state)); |
1395 | SvPOK_only (RETVAL); |
2260 | SvPOK_only (data_sv); |
1396 | |
2261 | |
1397 | data->errorno = errno; |
2262 | data->errorno = errno; |
1398 | data->laststype = PL_laststype; |
2263 | data->laststype = PL_laststype; |
1399 | data->laststatval = PL_laststatval; |
2264 | data->laststatval = PL_laststatval; |
1400 | data->statcache = PL_statcache; |
2265 | data->statcache = PL_statcache; |
|
|
2266 | |
|
|
2267 | av_extend (av, AvFILLp (defav) + 1 + 1); |
|
|
2268 | |
|
|
2269 | for (i = 0; i <= AvFILLp (defav); ++i) |
|
|
2270 | av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i])); |
|
|
2271 | |
|
|
2272 | av_push (av, data_sv); |
|
|
2273 | |
|
|
2274 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
2275 | |
|
|
2276 | api_ready (self); |
1401 | } |
2277 | } |
1402 | OUTPUT: |
|
|
1403 | RETVAL |
|
|
1404 | |
2278 | |
1405 | void |
2279 | void |
1406 | _set_state (char *data_) |
2280 | _set_state (SV *state) |
1407 | PROTOTYPE: $ |
2281 | PROTOTYPE: $ |
1408 | CODE: |
2282 | PPCODE: |
1409 | { |
2283 | { |
1410 | struct io_state *data = (void *)data_; |
2284 | AV *av = (AV *)SvRV (state); |
|
|
2285 | struct io_state *data = (struct io_state *)SvPVX (AvARRAY (av)[AvFILLp (av)]); |
|
|
2286 | int i; |
1411 | |
2287 | |
1412 | errno = data->errorno; |
2288 | errno = data->errorno; |
1413 | PL_laststype = data->laststype; |
2289 | PL_laststype = data->laststype; |
1414 | PL_laststatval = data->laststatval; |
2290 | PL_laststatval = data->laststatval; |
1415 | PL_statcache = data->statcache; |
2291 | PL_statcache = data->statcache; |
1416 | } |
|
|
1417 | |
2292 | |
|
|
2293 | EXTEND (SP, AvFILLp (av)); |
|
|
2294 | for (i = 0; i < AvFILLp (av); ++i) |
|
|
2295 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i]))); |
|
|
2296 | } |
|
|
2297 | |
|
|
2298 | |
|
|
2299 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
|
|
2300 | |
|
|
2301 | BOOT: |
|
|
2302 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
|
|
2303 | |
|
|
2304 | SV * |
|
|
2305 | _schedule (...) |
|
|
2306 | PROTOTYPE: @ |
|
|
2307 | CODE: |
|
|
2308 | { |
|
|
2309 | static int incede; |
|
|
2310 | |
|
|
2311 | api_cede_notself (); |
|
|
2312 | |
|
|
2313 | ++incede; |
|
|
2314 | while (coro_nready >= incede && api_cede ()) |
|
|
2315 | ; |
|
|
2316 | |
|
|
2317 | sv_setsv (sv_activity, &PL_sv_undef); |
|
|
2318 | if (coro_nready >= incede) |
|
|
2319 | { |
|
|
2320 | PUSHMARK (SP); |
|
|
2321 | PUTBACK; |
|
|
2322 | call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL); |
|
|
2323 | SPAGAIN; |
|
|
2324 | } |
|
|
2325 | |
|
|
2326 | --incede; |
|
|
2327 | } |
|
|
2328 | |
|
|
2329 | |
|
|
2330 | MODULE = Coro::State PACKAGE = PerlIO::cede |
|
|
2331 | |
|
|
2332 | BOOT: |
|
|
2333 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |