… | |
… | |
3 | #include <errno.h> |
3 | #include <errno.h> |
4 | |
4 | |
5 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
6 | #include "perl.h" |
6 | #include "perl.h" |
7 | #include "XSUB.h" |
7 | #include "XSUB.h" |
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8 | |
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9 | #include "schmorp.h" |
8 | |
10 | |
9 | #include <stddef.h> |
11 | #include <stddef.h> |
10 | #include <stdlib.h> |
12 | #include <stdlib.h> |
11 | #include <errno.h> |
13 | #include <errno.h> |
12 | #include <sys/types.h> |
14 | #include <sys/types.h> |
13 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
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16 | #include <sys/statvfs.h> |
14 | #include <limits.h> |
17 | #include <limits.h> |
15 | #include <fcntl.h> |
18 | #include <fcntl.h> |
16 | #include <sched.h> |
19 | #include <sched.h> |
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20 | |
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21 | #if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES |
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22 | # include <sys/mman.h> |
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23 | #endif |
17 | |
24 | |
18 | /* perl namespace pollution */ |
25 | /* perl namespace pollution */ |
19 | #undef VERSION |
26 | #undef VERSION |
20 | |
27 | |
21 | #ifdef _WIN32 |
28 | #ifdef _WIN32 |
… | |
… | |
97 | #define expect_false(expr) expect ((expr) != 0, 0) |
104 | #define expect_false(expr) expect ((expr) != 0, 0) |
98 | #define expect_true(expr) expect ((expr) != 0, 1) |
105 | #define expect_true(expr) expect ((expr) != 0, 1) |
99 | |
106 | |
100 | /*****************************************************************************/ |
107 | /*****************************************************************************/ |
101 | |
108 | |
102 | static HV *stash; |
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103 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
109 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
104 | typedef int aio_rfd; /* read file desriptor */ |
110 | typedef int aio_rfd; /* read file desriptor */ |
105 | typedef int aio_wfd; /* write file descriptor */ |
111 | typedef int aio_wfd; /* write file descriptor */ |
106 | |
112 | |
107 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
113 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash; |
108 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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109 | |
114 | |
110 | #define EIO_REQ_MEMBERS \ |
115 | #define EIO_REQ_MEMBERS \ |
111 | SV *callback; \ |
116 | SV *callback; \ |
112 | SV *sv1, *sv2; \ |
117 | SV *sv1, *sv2; \ |
113 | STRLEN stroffset; \ |
118 | STRLEN stroffset; \ |
… | |
… | |
117 | |
122 | |
118 | #include "libeio/eio.h" |
123 | #include "libeio/eio.h" |
119 | |
124 | |
120 | #ifndef POSIX_FADV_NORMAL |
125 | #ifndef POSIX_FADV_NORMAL |
121 | # define POSIX_FADV_NORMAL 0 |
126 | # define POSIX_FADV_NORMAL 0 |
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127 | # define NO_FADVISE 1 |
122 | #endif |
128 | #endif |
123 | |
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124 | #ifndef POSIX_FADV_SEQUENTIAL |
129 | #ifndef POSIX_FADV_SEQUENTIAL |
125 | # define POSIX_FADV_SEQUENTIAL 0 |
130 | # define POSIX_FADV_SEQUENTIAL 0 |
126 | #endif |
131 | #endif |
127 | |
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128 | #ifndef POSIX_FADV_RANDOM |
132 | #ifndef POSIX_FADV_RANDOM |
129 | # define POSIX_FADV_RANDOM 0 |
133 | # define POSIX_FADV_RANDOM 0 |
130 | #endif |
134 | #endif |
131 | |
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132 | #ifndef POSIX_FADV_NOREUSE |
135 | #ifndef POSIX_FADV_NOREUSE |
133 | # define POSIX_FADV_NOREUSE 0 |
136 | # define POSIX_FADV_NOREUSE 0 |
134 | #endif |
137 | #endif |
135 | |
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136 | #ifndef POSIX_FADV_WILLNEED |
138 | #ifndef POSIX_FADV_WILLNEED |
137 | # define POSIX_FADV_WILLNEED 0 |
139 | # define POSIX_FADV_WILLNEED 0 |
138 | #endif |
140 | #endif |
139 | |
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140 | #ifndef POSIX_FADV_DONTNEED |
141 | #ifndef POSIX_FADV_DONTNEED |
141 | # define POSIX_FADV_DONTNEED 0 |
142 | # define POSIX_FADV_DONTNEED 0 |
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143 | #endif |
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144 | |
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145 | #ifndef ST_NODEV |
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146 | # define ST_NODEV 0 |
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147 | #endif |
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148 | #ifndef ST_NOEXEC |
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149 | # define ST_NOEXEC 0 |
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150 | #endif |
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151 | #ifndef ST_SYNCHRONOUS |
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152 | # define ST_SYNCHRONOUS 0 |
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153 | #endif |
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154 | #ifndef ST_MANDLOCK |
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155 | # define ST_MANDLOCK 0 |
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156 | #endif |
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157 | #ifndef ST_WRITE |
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158 | # define ST_WRITE 0 |
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159 | #endif |
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160 | #ifndef ST_APPEND |
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161 | # define ST_APPEND 0 |
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162 | #endif |
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163 | #ifndef ST_IMMUTABLE |
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164 | # define ST_IMMUTABLE 0 |
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165 | #endif |
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166 | #ifndef ST_NOATIME |
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167 | # define ST_NOATIME 0 |
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168 | #endif |
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169 | #ifndef ST_NODIRATIME |
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170 | # define ST_NODIRATIME 0 |
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171 | #endif |
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172 | #ifndef ST_RELATIME |
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173 | # define ST_RELATIME 0 |
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174 | #endif |
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175 | |
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176 | #ifndef MCL_CURRENT |
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177 | # define MCL_CURRENT 0 |
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178 | #endif |
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179 | #ifndef MCL_FUTURE |
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180 | # define MCL_FUTURE 0 |
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181 | #endif |
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182 | |
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183 | #ifndef MAP_ANONYMOUS |
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184 | # ifdef MAP_ANON |
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185 | # define MAP_ANONYMOUS MAP_ANON |
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186 | # else |
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187 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
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188 | # endif |
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189 | #endif |
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190 | #ifndef MAP_HUGETLB |
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191 | # define MAP_HUGETLB 0 |
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192 | #endif |
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193 | #ifndef MAP_LOCKED |
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194 | # define MAP_LOCKED 0 |
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195 | #endif |
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196 | #ifndef MAP_NORESERVE |
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197 | # define MAP_NORESERVE 0 |
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198 | #endif |
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199 | #ifndef MAP_POPULATE |
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200 | # define MAP_POPULATE 0 |
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201 | #endif |
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202 | #ifndef MAP_NONBLOCK |
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203 | # define MAP_NONBLOCK 0 |
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204 | #endif |
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205 | |
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206 | #ifndef PAGESIZE |
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207 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
142 | #endif |
208 | #endif |
143 | |
209 | |
144 | static int req_invoke (eio_req *req); |
210 | static int req_invoke (eio_req *req); |
145 | #define EIO_FINISH(req) req_invoke (req) |
211 | #define EIO_FINISH(req) req_invoke (req) |
146 | static void req_destroy (eio_req *grp); |
212 | static void req_destroy (eio_req *grp); |
… | |
… | |
157 | |
223 | |
158 | static SV *on_next_submit; |
224 | static SV *on_next_submit; |
159 | static int next_pri = EIO_PRI_DEFAULT; |
225 | static int next_pri = EIO_PRI_DEFAULT; |
160 | static int max_outstanding; |
226 | static int max_outstanding; |
161 | |
227 | |
162 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
228 | static s_epipe respipe; |
163 | |
229 | |
164 | static void req_destroy (aio_req req); |
230 | static void req_destroy (aio_req req); |
165 | static void req_cancel (aio_req req); |
231 | static void req_cancel (aio_req req); |
166 | |
232 | |
167 | static void want_poll (void) |
233 | static void want_poll (void) |
168 | { |
234 | { |
169 | /* write a dummy byte to the pipe so fh becomes ready */ |
235 | /* write a dummy byte to the pipe so fh becomes ready */ |
170 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
236 | s_epipe_signal (&respipe); |
171 | } |
237 | } |
172 | |
238 | |
173 | static void done_poll (void) |
239 | static void done_poll (void) |
174 | { |
240 | { |
175 | /* read any signals sent by the worker threads */ |
241 | /* read any signals sent by the worker threads */ |
176 | char buf [4]; |
242 | s_epipe_drain (&respipe); |
177 | while (respipe_read (respipe [0], buf, 4) == 4) |
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178 | ; |
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179 | } |
243 | } |
180 | |
244 | |
181 | /* must be called at most once */ |
245 | /* must be called at most once */ |
182 | static SV *req_sv (aio_req req, const char *klass) |
246 | static SV *req_sv (aio_req req, HV *stash) |
183 | { |
247 | { |
184 | if (!req->self) |
248 | if (!req->self) |
185 | { |
249 | { |
186 | req->self = (SV *)newHV (); |
250 | req->self = (SV *)newHV (); |
187 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
251 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
188 | } |
252 | } |
189 | |
253 | |
190 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
254 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
191 | } |
255 | } |
192 | |
256 | |
193 | static aio_req SvAIO_REQ (SV *sv) |
257 | static aio_req SvAIO_REQ (SV *sv) |
194 | { |
258 | { |
195 | MAGIC *mg; |
259 | MAGIC *mg; |
196 | |
260 | |
197 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
261 | if (!SvROK (sv) |
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262 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
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263 | && SvSTASH (SvRV (sv)) != aio_req_stash |
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264 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
198 | croak ("object of class " AIO_REQ_KLASS " expected"); |
265 | croak ("object of class IO::AIO::REQ expected"); |
199 | |
266 | |
200 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
267 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
201 | |
268 | |
202 | return mg ? (aio_req)mg->mg_ptr : 0; |
269 | return mg ? (aio_req)mg->mg_ptr : 0; |
203 | } |
270 | } |
… | |
… | |
209 | dSP; |
276 | dSP; |
210 | |
277 | |
211 | ENTER; |
278 | ENTER; |
212 | SAVETMPS; |
279 | SAVETMPS; |
213 | PUSHMARK (SP); |
280 | PUSHMARK (SP); |
214 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
281 | XPUSHs (req_sv (grp, aio_grp_stash)); |
215 | PUTBACK; |
282 | PUTBACK; |
216 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
283 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
217 | SPAGAIN; |
284 | SPAGAIN; |
218 | FREETMPS; |
285 | FREETMPS; |
219 | LEAVE; |
286 | LEAVE; |
… | |
… | |
237 | } |
304 | } |
238 | } |
305 | } |
239 | |
306 | |
240 | static int req_invoke (eio_req *req) |
307 | static int req_invoke (eio_req *req) |
241 | { |
308 | { |
242 | dSP; |
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243 | |
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244 | if (req->flags & FLAG_SV2_RO_OFF) |
309 | if (req->flags & FLAG_SV2_RO_OFF) |
245 | SvREADONLY_off (req->sv2); |
310 | SvREADONLY_off (req->sv2); |
246 | |
311 | |
247 | if (!EIO_CANCELLED (req) && req->callback) |
312 | if (!EIO_CANCELLED (req) && req->callback) |
248 | { |
313 | { |
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314 | dSP; |
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315 | static SV *sv_result_cache; /* caches the result integer SV */ |
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316 | SV *sv_result; |
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317 | |
249 | ENTER; |
318 | ENTER; |
250 | SAVETMPS; |
319 | SAVETMPS; |
251 | PUSHMARK (SP); |
320 | PUSHMARK (SP); |
252 | EXTEND (SP, 1); |
321 | EXTEND (SP, 1); |
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322 | |
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323 | /* do not recreate the result IV from scratch each time */ |
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324 | if (expect_true (sv_result_cache)) |
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325 | { |
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326 | sv_result = sv_result_cache; sv_result_cache = 0; |
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327 | SvIV_set (sv_result, req->result); |
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328 | } |
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329 | else |
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330 | { |
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331 | sv_result = newSViv (req->result); |
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332 | SvREADONLY_on (sv_result); |
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333 | } |
253 | |
334 | |
254 | switch (req->type) |
335 | switch (req->type) |
255 | { |
336 | { |
256 | case EIO_READDIR: |
337 | case EIO_READDIR: |
257 | { |
338 | { |
… | |
… | |
325 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
406 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
326 | char sym [64]; |
407 | char sym [64]; |
327 | int symlen; |
408 | int symlen; |
328 | |
409 | |
329 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
410 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
330 | gv_init (gv, stash, sym, symlen, 0); |
411 | gv_init (gv, aio_stash, sym, symlen, 0); |
331 | |
412 | |
332 | symlen = snprintf ( |
413 | symlen = snprintf ( |
333 | sym, |
414 | sym, |
334 | sizeof (sym), |
415 | sizeof (sym), |
335 | "%s&=%d", |
416 | "%s&=%d", |
… | |
… | |
343 | |
424 | |
344 | PUSHs (fh); |
425 | PUSHs (fh); |
345 | } |
426 | } |
346 | break; |
427 | break; |
347 | |
428 | |
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429 | case EIO_STATVFS: |
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430 | case EIO_FSTATVFS: |
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431 | { |
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432 | SV *rv = &PL_sv_undef; |
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433 | |
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434 | if (req->result >= 0) |
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435 | { |
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436 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
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437 | HV *hv = newHV (); |
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438 | |
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439 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
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440 | |
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441 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
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442 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
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443 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
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444 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
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445 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
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446 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
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447 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
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448 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
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449 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
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450 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
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451 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
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452 | } |
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453 | |
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454 | PUSHs (rv); |
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455 | } |
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456 | |
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457 | break; |
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458 | |
348 | case EIO_GROUP: |
459 | case EIO_GROUP: |
349 | req->int1 = 2; /* mark group as finished */ |
460 | req->int1 = 2; /* mark group as finished */ |
350 | |
461 | |
351 | if (req->sv1) |
462 | if (req->sv1) |
352 | { |
463 | { |
… | |
… | |
372 | case EIO_LSTAT: |
483 | case EIO_LSTAT: |
373 | case EIO_FSTAT: |
484 | case EIO_FSTAT: |
374 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
485 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
375 | PL_laststatval = req->result; |
486 | PL_laststatval = req->result; |
376 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
487 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
377 | PUSHs (sv_2mortal (newSViv (req->result))); |
488 | PUSHs (sv_result); |
378 | break; |
489 | break; |
379 | |
490 | |
380 | case EIO_READ: |
491 | case EIO_READ: |
381 | { |
492 | { |
382 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
493 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
383 | *SvEND (req->sv2) = 0; |
494 | *SvEND (req->sv2) = 0; |
384 | SvPOK_only (req->sv2); |
495 | SvPOK_only (req->sv2); |
385 | SvSETMAGIC (req->sv2); |
496 | SvSETMAGIC (req->sv2); |
386 | PUSHs (sv_2mortal (newSViv (req->result))); |
497 | PUSHs (sv_result); |
387 | } |
498 | } |
388 | break; |
499 | break; |
389 | |
500 | |
390 | case EIO_DUP2: |
501 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ |
391 | if (req->result > 0) |
502 | if (req->result > 0) |
392 | req->result = 0; |
503 | SvIV_set (sv_result, 0); |
393 | /* FALLTHROUGH */ |
504 | /* FALLTHROUGH */ |
394 | |
505 | |
395 | default: |
506 | default: |
396 | PUSHs (sv_2mortal (newSViv (req->result))); |
507 | PUSHs (sv_result); |
397 | break; |
508 | break; |
398 | } |
509 | } |
399 | |
510 | |
400 | errno = req->errorno; |
511 | errno = req->errorno; |
401 | |
512 | |
402 | PUTBACK; |
513 | PUTBACK; |
403 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
514 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
404 | SPAGAIN; |
515 | SPAGAIN; |
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516 | |
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517 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
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518 | SvREFCNT_dec (sv_result); |
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519 | else |
|
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520 | sv_result_cache = sv_result; |
405 | |
521 | |
406 | FREETMPS; |
522 | FREETMPS; |
407 | LEAVE; |
523 | LEAVE; |
408 | |
524 | |
409 | PUTBACK; |
525 | PUTBACK; |
… | |
… | |
438 | grp->sv2 = 0; |
554 | grp->sv2 = 0; |
439 | |
555 | |
440 | eio_grp_cancel (grp); |
556 | eio_grp_cancel (grp); |
441 | } |
557 | } |
442 | |
558 | |
443 | #ifdef USE_SOCKETS_AS_HANDLES |
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444 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
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445 | #else |
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446 | # define TO_SOCKET(x) (x) |
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447 | #endif |
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448 | |
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449 | static void |
559 | static void |
450 | create_respipe (void) |
560 | create_respipe (void) |
451 | { |
561 | { |
452 | int old_readfd = respipe [0]; |
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453 | |
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454 | if (respipe [1] >= 0) |
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455 | respipe_close (TO_SOCKET (respipe [1])); |
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456 | |
|
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457 | #ifdef _WIN32 |
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458 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
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459 | #else |
|
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460 | if (pipe (respipe)) |
562 | if (s_epipe_renew (&respipe)) |
461 | #endif |
|
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462 | croak ("unable to initialize result pipe"); |
563 | croak ("IO::AIO: unable to initialize result pipe"); |
463 | |
|
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464 | if (old_readfd >= 0) |
|
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465 | { |
|
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466 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
|
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467 | croak ("unable to initialize result pipe(2)"); |
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468 | |
|
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469 | respipe_close (respipe [0]); |
|
|
470 | respipe [0] = old_readfd; |
|
|
471 | } |
|
|
472 | |
|
|
473 | #ifdef _WIN32 |
|
|
474 | int arg = 1; |
|
|
475 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
|
|
476 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
|
|
477 | #else |
|
|
478 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
|
|
479 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
480 | #endif |
|
|
481 | croak ("unable to initialize result pipe(3)"); |
|
|
482 | |
|
|
483 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
|
|
484 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
|
|
485 | } |
564 | } |
486 | |
565 | |
487 | static void poll_wait (void) |
566 | static void poll_wait (void) |
488 | { |
567 | { |
489 | fd_set rfd; |
|
|
490 | |
|
|
491 | while (eio_nreqs ()) |
568 | while (eio_nreqs ()) |
492 | { |
569 | { |
493 | int size; |
570 | int size; |
494 | |
571 | |
495 | X_LOCK (reslock); |
572 | X_LOCK (reslock); |
… | |
… | |
499 | if (size) |
576 | if (size) |
500 | return; |
577 | return; |
501 | |
578 | |
502 | etp_maybe_start_thread (); |
579 | etp_maybe_start_thread (); |
503 | |
580 | |
504 | FD_ZERO (&rfd); |
581 | s_epipe_wait (&respipe); |
505 | FD_SET (respipe [0], &rfd); |
|
|
506 | |
|
|
507 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
508 | } |
582 | } |
509 | } |
583 | } |
510 | |
584 | |
511 | static int poll_cb (void) |
585 | static int poll_cb (void) |
512 | { |
586 | { |
… | |
… | |
527 | static void atfork_child (void) |
601 | static void atfork_child (void) |
528 | { |
602 | { |
529 | create_respipe (); |
603 | create_respipe (); |
530 | } |
604 | } |
531 | |
605 | |
|
|
606 | /*****************************************************************************/ |
|
|
607 | |
|
|
608 | #if !_POSIX_MAPPED_FILES |
|
|
609 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
|
|
610 | # define munmap(addr,length) (errno = ENOSYS, -1) |
|
|
611 | #endif |
|
|
612 | |
|
|
613 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
614 | |
|
|
615 | static int |
|
|
616 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
617 | { |
|
|
618 | int old_errno = errno; |
|
|
619 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
620 | errno = old_errno; |
|
|
621 | |
|
|
622 | mg->mg_obj = 0; /* just in case */ |
|
|
623 | |
|
|
624 | SvREADONLY_off (sv); |
|
|
625 | |
|
|
626 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
627 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
628 | |
|
|
629 | SvCUR_set (sv, 0); |
|
|
630 | SvPVX (sv) = 0; |
|
|
631 | SvOK_off (sv); |
|
|
632 | |
|
|
633 | return 0; |
|
|
634 | } |
|
|
635 | |
|
|
636 | static MGVTBL mmap_vtbl = { |
|
|
637 | 0, 0, 0, 0, mmap_free |
|
|
638 | }; |
|
|
639 | |
|
|
640 | /*****************************************************************************/ |
|
|
641 | |
532 | static SV * |
642 | static SV * |
533 | get_cb (SV *cb_sv) |
643 | get_cb (SV *cb_sv) |
534 | { |
644 | { |
535 | HV *st; |
645 | SvGETMAGIC (cb_sv); |
536 | GV *gvp; |
646 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
537 | CV *cv; |
|
|
538 | |
|
|
539 | if (!SvOK (cb_sv)) |
|
|
540 | return 0; |
|
|
541 | |
|
|
542 | cv = sv_2cv (cb_sv, &st, &gvp, 0); |
|
|
543 | |
|
|
544 | if (!cv) |
|
|
545 | croak ("IO::AIO callback must be undef or a CODE reference"); |
|
|
546 | |
|
|
547 | return (SV *)cv; |
|
|
548 | } |
647 | } |
549 | |
648 | |
550 | #define dREQ \ |
649 | #define dREQ \ |
551 | SV *cb_cv; \ |
650 | SV *cb_cv; \ |
552 | aio_req req; \ |
651 | aio_req req; \ |
… | |
… | |
566 | PUTBACK; \ |
665 | PUTBACK; \ |
567 | req_submit (req); \ |
666 | req_submit (req); \ |
568 | SPAGAIN; \ |
667 | SPAGAIN; \ |
569 | \ |
668 | \ |
570 | if (GIMME_V != G_VOID) \ |
669 | if (GIMME_V != G_VOID) \ |
571 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
670 | XPUSHs (req_sv (req, aio_req_stash)); |
572 | |
|
|
573 | static int |
|
|
574 | extract_fd (SV *fh, int wr) |
|
|
575 | { |
|
|
576 | int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); |
|
|
577 | |
|
|
578 | if (fd < 0) |
|
|
579 | croak ("illegal fh argument, either not an OS file or read/write mode mismatch"); |
|
|
580 | |
|
|
581 | return fd; |
|
|
582 | } |
|
|
583 | |
671 | |
584 | MODULE = IO::AIO PACKAGE = IO::AIO |
672 | MODULE = IO::AIO PACKAGE = IO::AIO |
585 | |
673 | |
586 | PROTOTYPES: ENABLE |
674 | PROTOTYPES: ENABLE |
587 | |
675 | |
… | |
… | |
589 | { |
677 | { |
590 | static const struct { |
678 | static const struct { |
591 | const char *name; |
679 | const char *name; |
592 | IV iv; |
680 | IV iv; |
593 | } *civ, const_iv[] = { |
681 | } *civ, const_iv[] = { |
594 | # define const_iv(name, value) { # name, (IV) value }, |
682 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
683 | # define const_iv(name) { # name, (IV) name }, |
595 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
684 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
596 | const_iv (EXDEV , EXDEV) |
685 | const_iv (EXDEV) |
597 | const_iv (ENOSYS , ENOSYS) |
686 | const_iv (ENOSYS) |
598 | const_iv (O_RDONLY, O_RDONLY) |
687 | const_iv (O_RDONLY) |
599 | const_iv (O_WRONLY, O_WRONLY) |
688 | const_iv (O_WRONLY) |
|
|
689 | const_iv (O_RDWR) |
600 | const_iv (O_CREAT , O_CREAT) |
690 | const_iv (O_CREAT) |
601 | const_iv (O_TRUNC , O_TRUNC) |
691 | const_iv (O_TRUNC) |
|
|
692 | const_iv (O_EXCL) |
|
|
693 | const_iv (O_APPEND) |
602 | #ifndef _WIN32 |
694 | #ifndef _WIN32 |
603 | const_iv (S_IFIFO , S_IFIFO) |
695 | const_iv (S_IFIFO) |
604 | #endif |
696 | #endif |
605 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
697 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
606 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
698 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
607 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
699 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
608 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
700 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
609 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
701 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
610 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
702 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
703 | |
|
|
704 | const_iv (ST_RDONLY) |
|
|
705 | const_iv (ST_NOSUID) |
|
|
706 | const_iv (ST_NODEV) |
|
|
707 | const_iv (ST_NOEXEC) |
|
|
708 | const_iv (ST_SYNCHRONOUS) |
|
|
709 | const_iv (ST_MANDLOCK) |
|
|
710 | const_iv (ST_WRITE) |
|
|
711 | const_iv (ST_APPEND) |
|
|
712 | const_iv (ST_IMMUTABLE) |
|
|
713 | const_iv (ST_NOATIME) |
|
|
714 | const_iv (ST_NODIRATIME) |
|
|
715 | const_iv (ST_RELATIME) |
|
|
716 | |
|
|
717 | const_iv (PROT_EXEC) |
|
|
718 | const_iv (PROT_NONE) |
|
|
719 | const_iv (PROT_READ) |
|
|
720 | const_iv (PROT_WRITE) |
|
|
721 | |
|
|
722 | /*const_iv (MAP_FIXED)*/ |
|
|
723 | const_iv (MAP_PRIVATE) |
|
|
724 | const_iv (MAP_SHARED) |
|
|
725 | const_iv (MAP_ANONYMOUS) |
|
|
726 | |
|
|
727 | /* linuxish */ |
|
|
728 | const_iv (MAP_HUGETLB) |
|
|
729 | const_iv (MAP_LOCKED) |
|
|
730 | const_iv (MAP_NORESERVE) |
|
|
731 | const_iv (MAP_POPULATE) |
|
|
732 | const_iv (MAP_NONBLOCK) |
|
|
733 | |
|
|
734 | const_iv (MCL_FUTURE) |
|
|
735 | const_iv (MCL_CURRENT) |
|
|
736 | |
|
|
737 | const_eio (MS_ASYNC) |
|
|
738 | const_eio (MS_INVALIDATE) |
|
|
739 | const_eio (MS_SYNC) |
|
|
740 | |
|
|
741 | const_eio (MT_MODIFY) |
611 | |
742 | |
612 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
743 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
613 | const_eio (SYNC_FILE_RANGE_WRITE) |
744 | const_eio (SYNC_FILE_RANGE_WRITE) |
614 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
745 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
615 | |
746 | |
… | |
… | |
627 | const_eio (DT_LNK) |
758 | const_eio (DT_LNK) |
628 | const_eio (DT_SOCK) |
759 | const_eio (DT_SOCK) |
629 | const_eio (DT_WHT) |
760 | const_eio (DT_WHT) |
630 | }; |
761 | }; |
631 | |
762 | |
632 | stash = gv_stashpv ("IO::AIO", 1); |
763 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
764 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
765 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
633 | |
766 | |
634 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
767 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
635 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
768 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
769 | |
|
|
770 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
636 | |
771 | |
637 | create_respipe (); |
772 | create_respipe (); |
638 | |
773 | |
639 | if (eio_init (want_poll, done_poll) < 0) |
774 | if (eio_init (want_poll, done_poll) < 0) |
640 | croak ("IO::AIO: unable to initialise eio library"); |
775 | croak ("IO::AIO: unable to initialise eio library"); |
… | |
… | |
701 | ALIAS: |
836 | ALIAS: |
702 | aio_fsync = EIO_FSYNC |
837 | aio_fsync = EIO_FSYNC |
703 | aio_fdatasync = EIO_FDATASYNC |
838 | aio_fdatasync = EIO_FDATASYNC |
704 | PPCODE: |
839 | PPCODE: |
705 | { |
840 | { |
706 | int fd = extract_fd (fh, 0); |
841 | int fd = s_fileno_croak (fh, 0); |
707 | dREQ; |
842 | dREQ; |
708 | |
843 | |
709 | req->type = ix; |
844 | req->type = ix; |
710 | req->sv1 = newSVsv (fh); |
845 | req->sv1 = newSVsv (fh); |
711 | req->int1 = fd; |
846 | req->int1 = fd; |
… | |
… | |
716 | void |
851 | void |
717 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
852 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
718 | PROTOTYPE: $$$$;$ |
853 | PROTOTYPE: $$$$;$ |
719 | PPCODE: |
854 | PPCODE: |
720 | { |
855 | { |
721 | int fd = extract_fd (fh, 0); |
856 | int fd = s_fileno_croak (fh, 0); |
722 | dREQ; |
857 | dREQ; |
723 | |
858 | |
724 | req->type = EIO_SYNC_FILE_RANGE; |
859 | req->type = EIO_SYNC_FILE_RANGE; |
725 | req->sv1 = newSVsv (fh); |
860 | req->sv1 = newSVsv (fh); |
726 | req->int1 = fd; |
861 | req->int1 = fd; |
… | |
… | |
735 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
870 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
736 | PROTOTYPE: $;$ |
871 | PROTOTYPE: $;$ |
737 | PPCODE: |
872 | PPCODE: |
738 | { |
873 | { |
739 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
874 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
740 | int fd = extract_fd (fh, 0); |
875 | int fd = s_fileno_croak (fh, 0); |
741 | dREQ; |
876 | dREQ; |
742 | |
877 | |
743 | if (close_pipe < 0) |
878 | if (close_pipe < 0) |
744 | { |
879 | { |
745 | int pipefd [2]; |
880 | int pipefd [2]; |
… | |
… | |
767 | aio_write = EIO_WRITE |
902 | aio_write = EIO_WRITE |
768 | PROTOTYPE: $$$$$;$ |
903 | PROTOTYPE: $$$$$;$ |
769 | PPCODE: |
904 | PPCODE: |
770 | { |
905 | { |
771 | STRLEN svlen; |
906 | STRLEN svlen; |
772 | int fd = extract_fd (fh, ix == EIO_WRITE); |
907 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
773 | char *svptr = SvPVbyte (data, svlen); |
908 | char *svptr = SvPVbyte (data, svlen); |
774 | UV len = SvUV (length); |
909 | UV len = SvUV (length); |
775 | |
910 | |
776 | if (dataoffset < 0) |
911 | if (dataoffset < 0) |
777 | dataoffset += svlen; |
912 | dataoffset += svlen; |
… | |
… | |
832 | void |
967 | void |
833 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
968 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
834 | PROTOTYPE: $$$$;$ |
969 | PROTOTYPE: $$$$;$ |
835 | PPCODE: |
970 | PPCODE: |
836 | { |
971 | { |
837 | int ifd = extract_fd (in_fh , 0); |
972 | int ifd = s_fileno_croak (in_fh , 0); |
838 | int ofd = extract_fd (out_fh, 0); |
973 | int ofd = s_fileno_croak (out_fh, 1); |
839 | dREQ; |
974 | dREQ; |
840 | |
975 | |
841 | req->type = EIO_SENDFILE; |
976 | req->type = EIO_SENDFILE; |
842 | req->sv1 = newSVsv (out_fh); |
977 | req->sv1 = newSVsv (out_fh); |
843 | req->int1 = ofd; |
978 | req->int1 = ofd; |
… | |
… | |
852 | void |
987 | void |
853 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
988 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
854 | PROTOTYPE: $$$;$ |
989 | PROTOTYPE: $$$;$ |
855 | PPCODE: |
990 | PPCODE: |
856 | { |
991 | { |
857 | int fd = extract_fd (fh, 0); |
992 | int fd = s_fileno_croak (fh, 0); |
858 | dREQ; |
993 | dREQ; |
859 | |
994 | |
860 | req->type = EIO_READAHEAD; |
995 | req->type = EIO_READAHEAD; |
861 | req->sv1 = newSVsv (fh); |
996 | req->sv1 = newSVsv (fh); |
862 | req->int1 = fd; |
997 | req->int1 = fd; |
… | |
… | |
867 | } |
1002 | } |
868 | |
1003 | |
869 | void |
1004 | void |
870 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1005 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
871 | ALIAS: |
1006 | ALIAS: |
872 | aio_stat = EIO_STAT |
1007 | aio_stat = EIO_STAT |
873 | aio_lstat = EIO_LSTAT |
1008 | aio_lstat = EIO_LSTAT |
|
|
1009 | aio_statvfs = EIO_STATVFS |
874 | PPCODE: |
1010 | PPCODE: |
875 | { |
1011 | { |
876 | dREQ; |
1012 | dREQ; |
877 | |
1013 | |
878 | req->sv1 = newSVsv (fh_or_path); |
1014 | req->sv1 = newSVsv (fh_or_path); |
… | |
… | |
882 | req->type = ix; |
1018 | req->type = ix; |
883 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1019 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
884 | } |
1020 | } |
885 | else |
1021 | else |
886 | { |
1022 | { |
887 | req->type = EIO_FSTAT; |
1023 | req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
888 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1024 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
889 | } |
1025 | } |
890 | |
1026 | |
891 | REQ_SEND; |
1027 | REQ_SEND; |
892 | } |
1028 | } |
… | |
… | |
1055 | |
1191 | |
1056 | REQ_SEND; |
1192 | REQ_SEND; |
1057 | } |
1193 | } |
1058 | |
1194 | |
1059 | void |
1195 | void |
|
|
1196 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1197 | ALIAS: |
|
|
1198 | aio_mtouch = EIO_MTOUCH |
|
|
1199 | aio_msync = EIO_MSYNC |
|
|
1200 | PROTOTYPE: $$$$;$ |
|
|
1201 | PPCODE: |
|
|
1202 | { |
|
|
1203 | STRLEN svlen; |
|
|
1204 | UV len = SvUV (length); |
|
|
1205 | char *svptr = SvPVbyte (data, svlen); |
|
|
1206 | |
|
|
1207 | if (offset < 0) |
|
|
1208 | offset += svlen; |
|
|
1209 | |
|
|
1210 | if (offset < 0 || offset > svlen) |
|
|
1211 | croak ("offset outside of scalar"); |
|
|
1212 | |
|
|
1213 | if (!SvOK (length) || len + offset > svlen) |
|
|
1214 | len = svlen - offset; |
|
|
1215 | |
|
|
1216 | { |
|
|
1217 | dREQ; |
|
|
1218 | |
|
|
1219 | req->type = ix; |
|
|
1220 | req->size = len; |
|
|
1221 | req->sv2 = SvREFCNT_inc (data); |
|
|
1222 | req->ptr2 = (char *)svptr + offset; |
|
|
1223 | req->int1 = flags; |
|
|
1224 | |
|
|
1225 | REQ_SEND; |
|
|
1226 | } |
|
|
1227 | } |
|
|
1228 | |
|
|
1229 | void |
1060 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1230 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1061 | PPCODE: |
1231 | PPCODE: |
1062 | { |
1232 | { |
1063 | dREQ; |
1233 | dREQ; |
1064 | |
1234 | |
… | |
… | |
1076 | dREQ; |
1246 | dREQ; |
1077 | |
1247 | |
1078 | req->type = EIO_GROUP; |
1248 | req->type = EIO_GROUP; |
1079 | |
1249 | |
1080 | req_submit (req); |
1250 | req_submit (req); |
1081 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1251 | XPUSHs (req_sv (req, aio_grp_stash)); |
1082 | } |
1252 | } |
1083 | |
1253 | |
1084 | void |
1254 | void |
1085 | aio_nop (SV *callback=&PL_sv_undef) |
1255 | aio_nop (SV *callback=&PL_sv_undef) |
1086 | ALIAS: |
1256 | ALIAS: |
… | |
… | |
1138 | |
1308 | |
1139 | int |
1309 | int |
1140 | poll_fileno() |
1310 | poll_fileno() |
1141 | PROTOTYPE: |
1311 | PROTOTYPE: |
1142 | CODE: |
1312 | CODE: |
1143 | RETVAL = respipe [0]; |
1313 | RETVAL = s_epipe_fd (&respipe); |
1144 | OUTPUT: |
1314 | OUTPUT: |
1145 | RETVAL |
1315 | RETVAL |
1146 | |
1316 | |
1147 | int |
1317 | int |
1148 | poll_cb(...) |
1318 | poll_cb(...) |
… | |
… | |
1192 | |
1362 | |
1193 | int |
1363 | int |
1194 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1364 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1195 | PROTOTYPE: $$$$ |
1365 | PROTOTYPE: $$$$ |
1196 | CODE: |
1366 | CODE: |
1197 | { |
|
|
1198 | #if _XOPEN_SOURCE >= 600 |
1367 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
1199 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1368 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1200 | #else |
1369 | #else |
1201 | RETVAL = errno = ENOSYS; |
1370 | RETVAL = errno = ENOSYS; /* yes, this is actually correct */ |
1202 | #endif |
1371 | #endif |
1203 | } |
|
|
1204 | OUTPUT: |
1372 | OUTPUT: |
1205 | RETVAL |
1373 | RETVAL |
1206 | |
1374 | |
1207 | ssize_t |
1375 | ssize_t |
1208 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1376 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1209 | PROTOTYPE: $$$$ |
1377 | PROTOTYPE: $$$$ |
1210 | CODE: |
1378 | CODE: |
1211 | eio_sendfile_sync (ofh, ifh, offset, count); |
1379 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1380 | OUTPUT: |
|
|
1381 | RETVAL |
|
|
1382 | |
|
|
1383 | void |
|
|
1384 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1385 | PROTOTYPE: $$$$$;$ |
|
|
1386 | PPCODE: |
|
|
1387 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1388 | { |
|
|
1389 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1390 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1391 | if (addr == (void *)-1) |
|
|
1392 | XSRETURN_NO; |
|
|
1393 | |
|
|
1394 | sv_force_normal (scalar); |
|
|
1395 | |
|
|
1396 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1397 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1398 | ->mg_obj = (SV *)length; |
|
|
1399 | |
|
|
1400 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1401 | |
|
|
1402 | if (!(prot & PROT_WRITE)) |
|
|
1403 | SvREADONLY_on (scalar); |
|
|
1404 | |
|
|
1405 | if (SvLEN (scalar)) |
|
|
1406 | Safefree (SvPVX (scalar)); |
|
|
1407 | |
|
|
1408 | SvPVX (scalar) = (char *)addr; |
|
|
1409 | SvCUR_set (scalar, length); |
|
|
1410 | SvLEN_set (scalar, 0); |
|
|
1411 | SvPOK_only (scalar); |
|
|
1412 | |
|
|
1413 | XSRETURN_YES; |
|
|
1414 | } |
|
|
1415 | |
|
|
1416 | void |
|
|
1417 | munmap (SV *scalar) |
|
|
1418 | PROTOTYPE: $ |
|
|
1419 | CODE: |
|
|
1420 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1421 | |
|
|
1422 | int |
|
|
1423 | mlockall (int flags) |
|
|
1424 | PROTOTYPE: $ |
|
|
1425 | CODE: |
|
|
1426 | #if _POSIX_MEMLOCK |
|
|
1427 | #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
|
|
1428 | extern int mallopt (int, int); |
|
|
1429 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
|
|
1430 | #endif |
|
|
1431 | mlockall (flags); |
|
|
1432 | #else |
|
|
1433 | RETVAL = -1; |
|
|
1434 | errno = ENOSYS; |
|
|
1435 | #endif |
|
|
1436 | OUTPUT: |
|
|
1437 | RETVAL |
|
|
1438 | |
|
|
1439 | int |
|
|
1440 | munlockall () |
|
|
1441 | PROTOTYPE: |
|
|
1442 | CODE: |
|
|
1443 | #if _POSIX_MEMLOCK |
|
|
1444 | munlockall (); |
|
|
1445 | #else |
|
|
1446 | RETVAL = -1; |
|
|
1447 | errno = ENOSYS; |
|
|
1448 | #endif |
|
|
1449 | OUTPUT: |
|
|
1450 | RETVAL |
1212 | |
1451 | |
1213 | void _on_next_submit (SV *cb) |
1452 | void _on_next_submit (SV *cb) |
1214 | CODE: |
1453 | CODE: |
1215 | SvREFCNT_dec (on_next_submit); |
1454 | SvREFCNT_dec (on_next_submit); |
1216 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1455 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
… | |
… | |
1231 | if (GIMME_V != G_VOID) |
1470 | if (GIMME_V != G_VOID) |
1232 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
1471 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
1233 | |
1472 | |
1234 | if (items > 1) |
1473 | if (items > 1) |
1235 | { |
1474 | { |
1236 | SV *cb_cv = get_cb (callback); |
1475 | SV *cb_cv =get_cb (callback); |
1237 | |
1476 | |
1238 | SvREFCNT_dec (req->callback); |
1477 | SvREFCNT_dec (req->callback); |
1239 | req->callback = SvREFCNT_inc (cb_cv); |
1478 | req->callback = SvREFCNT_inc (cb_cv); |
1240 | } |
1479 | } |
1241 | } |
1480 | } |