… | |
… | |
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 | #if _XOPEN_SOURCE < 600 || NO_FADVISE |
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146 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
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147 | #endif |
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148 | |
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149 | #ifndef POSIX_MADV_NORMAL |
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150 | # define POSIX_MADV_NORMAL 0 |
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151 | # define NO_MADVISE 1 |
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152 | #endif |
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153 | #ifndef POSIX_MADV_SEQUENTIAL |
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154 | # define POSIX_MADV_SEQUENTIAL 0 |
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155 | #endif |
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156 | #ifndef POSIX_MADV_RANDOM |
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157 | # define POSIX_MADV_RANDOM 0 |
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158 | #endif |
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159 | #ifndef POSIX_MADV_WILLNEED |
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160 | # define POSIX_MADV_WILLNEED 0 |
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161 | #endif |
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162 | #ifndef POSIX_MADV_DONTNEED |
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163 | # define POSIX_MADV_DONTNEED 0 |
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164 | #endif |
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165 | |
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166 | #if _XOPEN_SOURCE < 600 || NO_MADVISE |
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167 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
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168 | #endif |
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169 | |
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170 | #ifndef ST_NODEV |
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171 | # define ST_NODEV 0 |
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172 | #endif |
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173 | #ifndef ST_NOEXEC |
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174 | # define ST_NOEXEC 0 |
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175 | #endif |
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176 | #ifndef ST_SYNCHRONOUS |
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177 | # define ST_SYNCHRONOUS 0 |
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178 | #endif |
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179 | #ifndef ST_MANDLOCK |
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180 | # define ST_MANDLOCK 0 |
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181 | #endif |
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182 | #ifndef ST_WRITE |
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183 | # define ST_WRITE 0 |
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184 | #endif |
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185 | #ifndef ST_APPEND |
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186 | # define ST_APPEND 0 |
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187 | #endif |
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188 | #ifndef ST_IMMUTABLE |
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189 | # define ST_IMMUTABLE 0 |
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190 | #endif |
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191 | #ifndef ST_NOATIME |
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192 | # define ST_NOATIME 0 |
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193 | #endif |
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194 | #ifndef ST_NODIRATIME |
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195 | # define ST_NODIRATIME 0 |
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196 | #endif |
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197 | #ifndef ST_RELATIME |
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198 | # define ST_RELATIME 0 |
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199 | #endif |
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200 | |
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201 | #ifndef MCL_CURRENT |
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202 | # define MCL_CURRENT 0 |
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203 | #endif |
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204 | #ifndef MCL_FUTURE |
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205 | # define MCL_FUTURE 0 |
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206 | #endif |
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207 | |
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208 | #ifndef MAP_ANONYMOUS |
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209 | # ifdef MAP_ANON |
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210 | # define MAP_ANONYMOUS MAP_ANON |
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211 | # else |
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212 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
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213 | # endif |
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214 | #endif |
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215 | #ifndef MAP_HUGETLB |
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216 | # define MAP_HUGETLB 0 |
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217 | #endif |
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218 | #ifndef MAP_LOCKED |
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219 | # define MAP_LOCKED 0 |
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220 | #endif |
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221 | #ifndef MAP_NORESERVE |
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222 | # define MAP_NORESERVE 0 |
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223 | #endif |
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224 | #ifndef MAP_POPULATE |
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225 | # define MAP_POPULATE 0 |
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226 | #endif |
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227 | #ifndef MAP_NONBLOCK |
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228 | # define MAP_NONBLOCK 0 |
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229 | #endif |
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230 | |
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231 | #ifndef PAGESIZE |
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232 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
142 | #endif |
233 | #endif |
143 | |
234 | |
144 | static int req_invoke (eio_req *req); |
235 | static int req_invoke (eio_req *req); |
145 | #define EIO_FINISH(req) req_invoke (req) |
236 | #define EIO_FINISH(req) req_invoke (req) |
146 | static void req_destroy (eio_req *grp); |
237 | static void req_destroy (eio_req *grp); |
… | |
… | |
157 | |
248 | |
158 | static SV *on_next_submit; |
249 | static SV *on_next_submit; |
159 | static int next_pri = EIO_PRI_DEFAULT; |
250 | static int next_pri = EIO_PRI_DEFAULT; |
160 | static int max_outstanding; |
251 | static int max_outstanding; |
161 | |
252 | |
162 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
253 | static s_epipe respipe; |
163 | |
254 | |
164 | static void req_destroy (aio_req req); |
255 | static void req_destroy (aio_req req); |
165 | static void req_cancel (aio_req req); |
256 | static void req_cancel (aio_req req); |
166 | |
257 | |
167 | static void want_poll (void) |
258 | static void want_poll (void) |
168 | { |
259 | { |
169 | /* write a dummy byte to the pipe so fh becomes ready */ |
260 | /* write a dummy byte to the pipe so fh becomes ready */ |
170 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
261 | s_epipe_signal (&respipe); |
171 | } |
262 | } |
172 | |
263 | |
173 | static void done_poll (void) |
264 | static void done_poll (void) |
174 | { |
265 | { |
175 | /* read any signals sent by the worker threads */ |
266 | /* read any signals sent by the worker threads */ |
176 | char buf [4]; |
267 | s_epipe_drain (&respipe); |
177 | while (respipe_read (respipe [0], buf, 4) == 4) |
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178 | ; |
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179 | } |
268 | } |
180 | |
269 | |
181 | /* must be called at most once */ |
270 | /* must be called at most once */ |
182 | static SV *req_sv (aio_req req, const char *klass) |
271 | static SV *req_sv (aio_req req, HV *stash) |
183 | { |
272 | { |
184 | if (!req->self) |
273 | if (!req->self) |
185 | { |
274 | { |
186 | req->self = (SV *)newHV (); |
275 | req->self = (SV *)newHV (); |
187 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
276 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
188 | } |
277 | } |
189 | |
278 | |
190 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
279 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
191 | } |
280 | } |
192 | |
281 | |
193 | static aio_req SvAIO_REQ (SV *sv) |
282 | static aio_req SvAIO_REQ (SV *sv) |
194 | { |
283 | { |
195 | MAGIC *mg; |
284 | MAGIC *mg; |
196 | |
285 | |
197 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
286 | if (!SvROK (sv) |
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287 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
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288 | && SvSTASH (SvRV (sv)) != aio_req_stash |
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289 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
198 | croak ("object of class " AIO_REQ_KLASS " expected"); |
290 | croak ("object of class IO::AIO::REQ expected"); |
199 | |
291 | |
200 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
292 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
201 | |
293 | |
202 | return mg ? (aio_req)mg->mg_ptr : 0; |
294 | return mg ? (aio_req)mg->mg_ptr : 0; |
203 | } |
295 | } |
… | |
… | |
209 | dSP; |
301 | dSP; |
210 | |
302 | |
211 | ENTER; |
303 | ENTER; |
212 | SAVETMPS; |
304 | SAVETMPS; |
213 | PUSHMARK (SP); |
305 | PUSHMARK (SP); |
214 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
306 | XPUSHs (req_sv (grp, aio_grp_stash)); |
215 | PUTBACK; |
307 | PUTBACK; |
216 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
308 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
217 | SPAGAIN; |
309 | SPAGAIN; |
218 | FREETMPS; |
310 | FREETMPS; |
219 | LEAVE; |
311 | LEAVE; |
… | |
… | |
237 | } |
329 | } |
238 | } |
330 | } |
239 | |
331 | |
240 | static int req_invoke (eio_req *req) |
332 | static int req_invoke (eio_req *req) |
241 | { |
333 | { |
242 | dSP; |
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243 | |
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244 | if (req->flags & FLAG_SV2_RO_OFF) |
334 | if (req->flags & FLAG_SV2_RO_OFF) |
245 | SvREADONLY_off (req->sv2); |
335 | SvREADONLY_off (req->sv2); |
246 | |
336 | |
247 | if (!EIO_CANCELLED (req) && req->callback) |
337 | if (!EIO_CANCELLED (req) && req->callback) |
248 | { |
338 | { |
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339 | dSP; |
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340 | static SV *sv_result_cache; /* caches the result integer SV */ |
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341 | SV *sv_result; |
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342 | |
249 | ENTER; |
343 | ENTER; |
250 | SAVETMPS; |
344 | SAVETMPS; |
251 | PUSHMARK (SP); |
345 | PUSHMARK (SP); |
252 | EXTEND (SP, 1); |
346 | EXTEND (SP, 1); |
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347 | |
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348 | /* do not recreate the result IV from scratch each time */ |
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349 | if (expect_true (sv_result_cache)) |
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350 | { |
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351 | sv_result = sv_result_cache; sv_result_cache = 0; |
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352 | SvIV_set (sv_result, req->result); |
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353 | } |
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354 | else |
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355 | { |
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356 | sv_result = newSViv (req->result); |
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357 | SvREADONLY_on (sv_result); |
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358 | } |
253 | |
359 | |
254 | switch (req->type) |
360 | switch (req->type) |
255 | { |
361 | { |
256 | case EIO_READDIR: |
362 | case EIO_READDIR: |
257 | { |
363 | { |
… | |
… | |
325 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
431 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
326 | char sym [64]; |
432 | char sym [64]; |
327 | int symlen; |
433 | int symlen; |
328 | |
434 | |
329 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
435 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
330 | gv_init (gv, stash, sym, symlen, 0); |
436 | gv_init (gv, aio_stash, sym, symlen, 0); |
331 | |
437 | |
332 | symlen = snprintf ( |
438 | symlen = snprintf ( |
333 | sym, |
439 | sym, |
334 | sizeof (sym), |
440 | sizeof (sym), |
335 | "%s&=%d", |
441 | "%s&=%d", |
… | |
… | |
343 | |
449 | |
344 | PUSHs (fh); |
450 | PUSHs (fh); |
345 | } |
451 | } |
346 | break; |
452 | break; |
347 | |
453 | |
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454 | case EIO_STATVFS: |
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455 | case EIO_FSTATVFS: |
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456 | { |
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457 | SV *rv = &PL_sv_undef; |
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458 | |
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459 | if (req->result >= 0) |
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460 | { |
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461 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
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462 | HV *hv = newHV (); |
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463 | |
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464 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
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465 | |
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466 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
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467 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
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468 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
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469 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
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470 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
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471 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
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472 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
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473 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
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474 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
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475 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
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476 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
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477 | } |
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478 | |
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479 | PUSHs (rv); |
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480 | } |
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481 | |
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482 | break; |
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483 | |
348 | case EIO_GROUP: |
484 | case EIO_GROUP: |
349 | req->int1 = 2; /* mark group as finished */ |
485 | req->int1 = 2; /* mark group as finished */ |
350 | |
486 | |
351 | if (req->sv1) |
487 | if (req->sv1) |
352 | { |
488 | { |
… | |
… | |
372 | case EIO_LSTAT: |
508 | case EIO_LSTAT: |
373 | case EIO_FSTAT: |
509 | case EIO_FSTAT: |
374 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
510 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
375 | PL_laststatval = req->result; |
511 | PL_laststatval = req->result; |
376 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
512 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
377 | PUSHs (sv_2mortal (newSViv (req->result))); |
513 | PUSHs (sv_result); |
378 | break; |
514 | break; |
379 | |
515 | |
380 | case EIO_READ: |
516 | case EIO_READ: |
381 | { |
517 | { |
382 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
518 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
383 | *SvEND (req->sv2) = 0; |
519 | *SvEND (req->sv2) = 0; |
384 | SvPOK_only (req->sv2); |
520 | SvPOK_only (req->sv2); |
385 | SvSETMAGIC (req->sv2); |
521 | SvSETMAGIC (req->sv2); |
386 | PUSHs (sv_2mortal (newSViv (req->result))); |
522 | PUSHs (sv_result); |
387 | } |
523 | } |
388 | break; |
524 | break; |
389 | |
525 | |
390 | case EIO_DUP2: |
526 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ |
391 | if (req->result > 0) |
527 | if (req->result > 0) |
392 | req->result = 0; |
528 | SvIV_set (sv_result, 0); |
393 | /* FALLTHROUGH */ |
529 | /* FALLTHROUGH */ |
394 | |
530 | |
395 | default: |
531 | default: |
396 | PUSHs (sv_2mortal (newSViv (req->result))); |
532 | PUSHs (sv_result); |
397 | break; |
533 | break; |
398 | } |
534 | } |
399 | |
535 | |
400 | errno = req->errorno; |
536 | errno = req->errorno; |
401 | |
537 | |
402 | PUTBACK; |
538 | PUTBACK; |
403 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
539 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
404 | SPAGAIN; |
540 | SPAGAIN; |
|
|
541 | |
|
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542 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
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543 | SvREFCNT_dec (sv_result); |
|
|
544 | else |
|
|
545 | sv_result_cache = sv_result; |
405 | |
546 | |
406 | FREETMPS; |
547 | FREETMPS; |
407 | LEAVE; |
548 | LEAVE; |
408 | |
549 | |
409 | PUTBACK; |
550 | PUTBACK; |
… | |
… | |
438 | grp->sv2 = 0; |
579 | grp->sv2 = 0; |
439 | |
580 | |
440 | eio_grp_cancel (grp); |
581 | eio_grp_cancel (grp); |
441 | } |
582 | } |
442 | |
583 | |
443 | #ifdef USE_SOCKETS_AS_HANDLES |
|
|
444 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
|
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445 | #else |
|
|
446 | # define TO_SOCKET(x) (x) |
|
|
447 | #endif |
|
|
448 | |
|
|
449 | static void |
584 | static void |
450 | create_respipe (void) |
585 | create_respipe (void) |
451 | { |
586 | { |
452 | int old_readfd = respipe [0]; |
|
|
453 | |
|
|
454 | if (respipe [1] >= 0) |
|
|
455 | respipe_close (TO_SOCKET (respipe [1])); |
|
|
456 | |
|
|
457 | #ifdef _WIN32 |
|
|
458 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
|
|
459 | #else |
|
|
460 | if (pipe (respipe)) |
587 | if (s_epipe_renew (&respipe)) |
461 | #endif |
|
|
462 | croak ("unable to initialize result pipe"); |
588 | croak ("IO::AIO: unable to initialize result pipe"); |
463 | |
|
|
464 | if (old_readfd >= 0) |
|
|
465 | { |
|
|
466 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
|
|
467 | croak ("unable to initialize result pipe(2)"); |
|
|
468 | |
|
|
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 | } |
589 | } |
486 | |
590 | |
487 | static void poll_wait (void) |
591 | static void poll_wait (void) |
488 | { |
592 | { |
489 | fd_set rfd; |
|
|
490 | |
|
|
491 | while (eio_nreqs ()) |
593 | while (eio_nreqs ()) |
492 | { |
594 | { |
493 | int size; |
595 | int size; |
494 | |
596 | |
495 | X_LOCK (reslock); |
597 | X_LOCK (reslock); |
… | |
… | |
499 | if (size) |
601 | if (size) |
500 | return; |
602 | return; |
501 | |
603 | |
502 | etp_maybe_start_thread (); |
604 | etp_maybe_start_thread (); |
503 | |
605 | |
504 | FD_ZERO (&rfd); |
606 | s_epipe_wait (&respipe); |
505 | FD_SET (respipe [0], &rfd); |
|
|
506 | |
|
|
507 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
508 | } |
607 | } |
509 | } |
608 | } |
510 | |
609 | |
511 | static int poll_cb (void) |
610 | static int poll_cb (void) |
512 | { |
611 | { |
… | |
… | |
527 | static void atfork_child (void) |
626 | static void atfork_child (void) |
528 | { |
627 | { |
529 | create_respipe (); |
628 | create_respipe (); |
530 | } |
629 | } |
531 | |
630 | |
|
|
631 | /*****************************************************************************/ |
|
|
632 | |
|
|
633 | #if !_POSIX_MAPPED_FILES |
|
|
634 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
|
|
635 | # define munmap(addr,length) (errno = ENOSYS, -1) |
|
|
636 | #endif |
|
|
637 | |
|
|
638 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
639 | |
|
|
640 | static int |
|
|
641 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
642 | { |
|
|
643 | int old_errno = errno; |
|
|
644 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
645 | errno = old_errno; |
|
|
646 | |
|
|
647 | mg->mg_obj = 0; /* just in case */ |
|
|
648 | |
|
|
649 | SvREADONLY_off (sv); |
|
|
650 | |
|
|
651 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
652 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
653 | |
|
|
654 | SvCUR_set (sv, 0); |
|
|
655 | SvPVX (sv) = 0; |
|
|
656 | SvOK_off (sv); |
|
|
657 | |
|
|
658 | return 0; |
|
|
659 | } |
|
|
660 | |
|
|
661 | static MGVTBL mmap_vtbl = { |
|
|
662 | 0, 0, 0, 0, mmap_free |
|
|
663 | }; |
|
|
664 | |
|
|
665 | /*****************************************************************************/ |
|
|
666 | |
532 | static SV * |
667 | static SV * |
533 | get_cb (SV *cb_sv) |
668 | get_cb (SV *cb_sv) |
534 | { |
669 | { |
535 | HV *st; |
670 | SvGETMAGIC (cb_sv); |
536 | GV *gvp; |
671 | 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 | } |
672 | } |
549 | |
673 | |
550 | #define dREQ \ |
674 | #define dREQ \ |
551 | SV *cb_cv; \ |
675 | SV *cb_cv; \ |
552 | aio_req req; \ |
676 | aio_req req; \ |
… | |
… | |
566 | PUTBACK; \ |
690 | PUTBACK; \ |
567 | req_submit (req); \ |
691 | req_submit (req); \ |
568 | SPAGAIN; \ |
692 | SPAGAIN; \ |
569 | \ |
693 | \ |
570 | if (GIMME_V != G_VOID) \ |
694 | if (GIMME_V != G_VOID) \ |
571 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
695 | 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 | |
696 | |
584 | MODULE = IO::AIO PACKAGE = IO::AIO |
697 | MODULE = IO::AIO PACKAGE = IO::AIO |
585 | |
698 | |
586 | PROTOTYPES: ENABLE |
699 | PROTOTYPES: ENABLE |
587 | |
700 | |
… | |
… | |
589 | { |
702 | { |
590 | static const struct { |
703 | static const struct { |
591 | const char *name; |
704 | const char *name; |
592 | IV iv; |
705 | IV iv; |
593 | } *civ, const_iv[] = { |
706 | } *civ, const_iv[] = { |
594 | # define const_iv(name, value) { # name, (IV) value }, |
707 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
708 | # define const_iv(name) { # name, (IV) name }, |
595 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
709 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
596 | const_iv (EXDEV , EXDEV) |
710 | const_iv (EXDEV) |
597 | const_iv (ENOSYS , ENOSYS) |
711 | const_iv (ENOSYS) |
598 | const_iv (O_RDONLY, O_RDONLY) |
712 | const_iv (O_RDONLY) |
599 | const_iv (O_WRONLY, O_WRONLY) |
713 | const_iv (O_WRONLY) |
|
|
714 | const_iv (O_RDWR) |
600 | const_iv (O_CREAT , O_CREAT) |
715 | const_iv (O_CREAT) |
601 | const_iv (O_TRUNC , O_TRUNC) |
716 | const_iv (O_TRUNC) |
|
|
717 | const_iv (O_EXCL) |
|
|
718 | const_iv (O_APPEND) |
602 | #ifndef _WIN32 |
719 | #ifndef _WIN32 |
603 | const_iv (S_IFIFO , S_IFIFO) |
720 | const_iv (S_IFIFO) |
604 | #endif |
721 | #endif |
605 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
722 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
606 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
723 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
607 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
724 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
608 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
725 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
609 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
726 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
610 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
727 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
728 | |
|
|
729 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
730 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
731 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
732 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
733 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
734 | |
|
|
735 | const_iv (ST_RDONLY) |
|
|
736 | const_iv (ST_NOSUID) |
|
|
737 | const_iv (ST_NODEV) |
|
|
738 | const_iv (ST_NOEXEC) |
|
|
739 | const_iv (ST_SYNCHRONOUS) |
|
|
740 | const_iv (ST_MANDLOCK) |
|
|
741 | const_iv (ST_WRITE) |
|
|
742 | const_iv (ST_APPEND) |
|
|
743 | const_iv (ST_IMMUTABLE) |
|
|
744 | const_iv (ST_NOATIME) |
|
|
745 | const_iv (ST_NODIRATIME) |
|
|
746 | const_iv (ST_RELATIME) |
|
|
747 | |
|
|
748 | const_iv (PROT_EXEC) |
|
|
749 | const_iv (PROT_NONE) |
|
|
750 | const_iv (PROT_READ) |
|
|
751 | const_iv (PROT_WRITE) |
|
|
752 | |
|
|
753 | /*const_iv (MAP_FIXED)*/ |
|
|
754 | const_iv (MAP_PRIVATE) |
|
|
755 | const_iv (MAP_SHARED) |
|
|
756 | const_iv (MAP_ANONYMOUS) |
|
|
757 | |
|
|
758 | /* linuxish */ |
|
|
759 | const_iv (MAP_HUGETLB) |
|
|
760 | const_iv (MAP_LOCKED) |
|
|
761 | const_iv (MAP_NORESERVE) |
|
|
762 | const_iv (MAP_POPULATE) |
|
|
763 | const_iv (MAP_NONBLOCK) |
|
|
764 | |
|
|
765 | const_iv (MCL_FUTURE) |
|
|
766 | const_iv (MCL_CURRENT) |
|
|
767 | |
|
|
768 | const_eio (MS_ASYNC) |
|
|
769 | const_eio (MS_INVALIDATE) |
|
|
770 | const_eio (MS_SYNC) |
|
|
771 | |
|
|
772 | const_eio (MT_MODIFY) |
611 | |
773 | |
612 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
774 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
613 | const_eio (SYNC_FILE_RANGE_WRITE) |
775 | const_eio (SYNC_FILE_RANGE_WRITE) |
614 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
776 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
615 | |
777 | |
… | |
… | |
627 | const_eio (DT_LNK) |
789 | const_eio (DT_LNK) |
628 | const_eio (DT_SOCK) |
790 | const_eio (DT_SOCK) |
629 | const_eio (DT_WHT) |
791 | const_eio (DT_WHT) |
630 | }; |
792 | }; |
631 | |
793 | |
632 | stash = gv_stashpv ("IO::AIO", 1); |
794 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
795 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
796 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
633 | |
797 | |
634 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
798 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
635 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
799 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
800 | |
|
|
801 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
636 | |
802 | |
637 | create_respipe (); |
803 | create_respipe (); |
638 | |
804 | |
639 | if (eio_init (want_poll, done_poll) < 0) |
805 | if (eio_init (want_poll, done_poll) < 0) |
640 | croak ("IO::AIO: unable to initialise eio library"); |
806 | croak ("IO::AIO: unable to initialise eio library"); |
… | |
… | |
701 | ALIAS: |
867 | ALIAS: |
702 | aio_fsync = EIO_FSYNC |
868 | aio_fsync = EIO_FSYNC |
703 | aio_fdatasync = EIO_FDATASYNC |
869 | aio_fdatasync = EIO_FDATASYNC |
704 | PPCODE: |
870 | PPCODE: |
705 | { |
871 | { |
706 | int fd = extract_fd (fh, 0); |
872 | int fd = s_fileno_croak (fh, 0); |
707 | dREQ; |
873 | dREQ; |
708 | |
874 | |
709 | req->type = ix; |
875 | req->type = ix; |
710 | req->sv1 = newSVsv (fh); |
876 | req->sv1 = newSVsv (fh); |
711 | req->int1 = fd; |
877 | req->int1 = fd; |
… | |
… | |
716 | void |
882 | void |
717 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
883 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
718 | PROTOTYPE: $$$$;$ |
884 | PROTOTYPE: $$$$;$ |
719 | PPCODE: |
885 | PPCODE: |
720 | { |
886 | { |
721 | int fd = extract_fd (fh, 0); |
887 | int fd = s_fileno_croak (fh, 0); |
722 | dREQ; |
888 | dREQ; |
723 | |
889 | |
724 | req->type = EIO_SYNC_FILE_RANGE; |
890 | req->type = EIO_SYNC_FILE_RANGE; |
725 | req->sv1 = newSVsv (fh); |
891 | req->sv1 = newSVsv (fh); |
726 | req->int1 = fd; |
892 | req->int1 = fd; |
… | |
… | |
735 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
901 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
736 | PROTOTYPE: $;$ |
902 | PROTOTYPE: $;$ |
737 | PPCODE: |
903 | PPCODE: |
738 | { |
904 | { |
739 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
905 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
740 | int fd = extract_fd (fh, 0); |
906 | int fd = s_fileno_croak (fh, 0); |
741 | dREQ; |
907 | dREQ; |
742 | |
908 | |
743 | if (close_pipe < 0) |
909 | if (close_pipe < 0) |
744 | { |
910 | { |
745 | int pipefd [2]; |
911 | int pipefd [2]; |
… | |
… | |
767 | aio_write = EIO_WRITE |
933 | aio_write = EIO_WRITE |
768 | PROTOTYPE: $$$$$;$ |
934 | PROTOTYPE: $$$$$;$ |
769 | PPCODE: |
935 | PPCODE: |
770 | { |
936 | { |
771 | STRLEN svlen; |
937 | STRLEN svlen; |
772 | int fd = extract_fd (fh, ix == EIO_WRITE); |
938 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
773 | char *svptr = SvPVbyte (data, svlen); |
939 | char *svptr = SvPVbyte (data, svlen); |
774 | UV len = SvUV (length); |
940 | UV len = SvUV (length); |
775 | |
941 | |
776 | if (dataoffset < 0) |
942 | if (dataoffset < 0) |
777 | dataoffset += svlen; |
943 | dataoffset += svlen; |
… | |
… | |
832 | void |
998 | void |
833 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
999 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
834 | PROTOTYPE: $$$$;$ |
1000 | PROTOTYPE: $$$$;$ |
835 | PPCODE: |
1001 | PPCODE: |
836 | { |
1002 | { |
837 | int ifd = extract_fd (in_fh , 0); |
1003 | int ifd = s_fileno_croak (in_fh , 0); |
838 | int ofd = extract_fd (out_fh, 0); |
1004 | int ofd = s_fileno_croak (out_fh, 1); |
839 | dREQ; |
1005 | dREQ; |
840 | |
1006 | |
841 | req->type = EIO_SENDFILE; |
1007 | req->type = EIO_SENDFILE; |
842 | req->sv1 = newSVsv (out_fh); |
1008 | req->sv1 = newSVsv (out_fh); |
843 | req->int1 = ofd; |
1009 | req->int1 = ofd; |
… | |
… | |
852 | void |
1018 | void |
853 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1019 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
854 | PROTOTYPE: $$$;$ |
1020 | PROTOTYPE: $$$;$ |
855 | PPCODE: |
1021 | PPCODE: |
856 | { |
1022 | { |
857 | int fd = extract_fd (fh, 0); |
1023 | int fd = s_fileno_croak (fh, 0); |
858 | dREQ; |
1024 | dREQ; |
859 | |
1025 | |
860 | req->type = EIO_READAHEAD; |
1026 | req->type = EIO_READAHEAD; |
861 | req->sv1 = newSVsv (fh); |
1027 | req->sv1 = newSVsv (fh); |
862 | req->int1 = fd; |
1028 | req->int1 = fd; |
… | |
… | |
867 | } |
1033 | } |
868 | |
1034 | |
869 | void |
1035 | void |
870 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1036 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
871 | ALIAS: |
1037 | ALIAS: |
872 | aio_stat = EIO_STAT |
1038 | aio_stat = EIO_STAT |
873 | aio_lstat = EIO_LSTAT |
1039 | aio_lstat = EIO_LSTAT |
|
|
1040 | aio_statvfs = EIO_STATVFS |
874 | PPCODE: |
1041 | PPCODE: |
875 | { |
1042 | { |
876 | dREQ; |
1043 | dREQ; |
877 | |
1044 | |
878 | req->sv1 = newSVsv (fh_or_path); |
1045 | req->sv1 = newSVsv (fh_or_path); |
… | |
… | |
882 | req->type = ix; |
1049 | req->type = ix; |
883 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1050 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
884 | } |
1051 | } |
885 | else |
1052 | else |
886 | { |
1053 | { |
887 | req->type = EIO_FSTAT; |
1054 | req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
888 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1055 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
889 | } |
1056 | } |
890 | |
1057 | |
891 | REQ_SEND; |
1058 | REQ_SEND; |
892 | } |
1059 | } |
… | |
… | |
1055 | |
1222 | |
1056 | REQ_SEND; |
1223 | REQ_SEND; |
1057 | } |
1224 | } |
1058 | |
1225 | |
1059 | void |
1226 | void |
|
|
1227 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1228 | ALIAS: |
|
|
1229 | aio_mtouch = EIO_MTOUCH |
|
|
1230 | aio_msync = EIO_MSYNC |
|
|
1231 | PROTOTYPE: $$$$;$ |
|
|
1232 | PPCODE: |
|
|
1233 | { |
|
|
1234 | STRLEN svlen; |
|
|
1235 | UV len = SvUV (length); |
|
|
1236 | char *svptr = SvPVbyte (data, svlen); |
|
|
1237 | |
|
|
1238 | if (offset < 0) |
|
|
1239 | offset += svlen; |
|
|
1240 | |
|
|
1241 | if (offset < 0 || offset > svlen) |
|
|
1242 | croak ("offset outside of scalar"); |
|
|
1243 | |
|
|
1244 | if (!SvOK (length) || len + offset > svlen) |
|
|
1245 | len = svlen - offset; |
|
|
1246 | |
|
|
1247 | { |
|
|
1248 | dREQ; |
|
|
1249 | |
|
|
1250 | req->type = ix; |
|
|
1251 | req->size = len; |
|
|
1252 | req->sv2 = SvREFCNT_inc (data); |
|
|
1253 | req->ptr2 = (char *)svptr + offset; |
|
|
1254 | req->int1 = flags; |
|
|
1255 | |
|
|
1256 | REQ_SEND; |
|
|
1257 | } |
|
|
1258 | } |
|
|
1259 | |
|
|
1260 | void |
1060 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1261 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1061 | PPCODE: |
1262 | PPCODE: |
1062 | { |
1263 | { |
1063 | dREQ; |
1264 | dREQ; |
1064 | |
1265 | |
… | |
… | |
1076 | dREQ; |
1277 | dREQ; |
1077 | |
1278 | |
1078 | req->type = EIO_GROUP; |
1279 | req->type = EIO_GROUP; |
1079 | |
1280 | |
1080 | req_submit (req); |
1281 | req_submit (req); |
1081 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1282 | XPUSHs (req_sv (req, aio_grp_stash)); |
1082 | } |
1283 | } |
1083 | |
1284 | |
1084 | void |
1285 | void |
1085 | aio_nop (SV *callback=&PL_sv_undef) |
1286 | aio_nop (SV *callback=&PL_sv_undef) |
1086 | ALIAS: |
1287 | ALIAS: |
… | |
… | |
1138 | |
1339 | |
1139 | int |
1340 | int |
1140 | poll_fileno() |
1341 | poll_fileno() |
1141 | PROTOTYPE: |
1342 | PROTOTYPE: |
1142 | CODE: |
1343 | CODE: |
1143 | RETVAL = respipe [0]; |
1344 | RETVAL = s_epipe_fd (&respipe); |
1144 | OUTPUT: |
1345 | OUTPUT: |
1145 | RETVAL |
1346 | RETVAL |
1146 | |
1347 | |
1147 | int |
1348 | int |
1148 | poll_cb(...) |
1349 | poll_cb(...) |
… | |
… | |
1192 | |
1393 | |
1193 | int |
1394 | int |
1194 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1395 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1195 | PROTOTYPE: $$$$ |
1396 | PROTOTYPE: $$$$ |
1196 | CODE: |
1397 | CODE: |
1197 | { |
|
|
1198 | #if _XOPEN_SOURCE >= 600 |
|
|
1199 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1398 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1200 | #else |
|
|
1201 | RETVAL = errno = ENOSYS; |
|
|
1202 | #endif |
|
|
1203 | } |
|
|
1204 | OUTPUT: |
1399 | OUTPUT: |
1205 | RETVAL |
1400 | RETVAL |
1206 | |
1401 | |
1207 | ssize_t |
1402 | ssize_t |
1208 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1403 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1209 | PROTOTYPE: $$$$ |
1404 | PROTOTYPE: $$$$ |
1210 | CODE: |
1405 | CODE: |
1211 | eio_sendfile_sync (ofh, ifh, offset, count); |
1406 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1407 | OUTPUT: |
|
|
1408 | RETVAL |
|
|
1409 | |
|
|
1410 | void |
|
|
1411 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1412 | PROTOTYPE: $$$$$;$ |
|
|
1413 | PPCODE: |
|
|
1414 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1415 | { |
|
|
1416 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1417 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1418 | if (addr == (void *)-1) |
|
|
1419 | XSRETURN_NO; |
|
|
1420 | |
|
|
1421 | sv_force_normal (scalar); |
|
|
1422 | |
|
|
1423 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1424 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1425 | ->mg_obj = (SV *)length; |
|
|
1426 | |
|
|
1427 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1428 | |
|
|
1429 | if (!(prot & PROT_WRITE)) |
|
|
1430 | SvREADONLY_on (scalar); |
|
|
1431 | |
|
|
1432 | if (SvLEN (scalar)) |
|
|
1433 | Safefree (SvPVX (scalar)); |
|
|
1434 | |
|
|
1435 | SvPVX (scalar) = (char *)addr; |
|
|
1436 | SvCUR_set (scalar, length); |
|
|
1437 | SvLEN_set (scalar, 0); |
|
|
1438 | SvPOK_only (scalar); |
|
|
1439 | |
|
|
1440 | XSRETURN_YES; |
|
|
1441 | } |
|
|
1442 | |
|
|
1443 | void |
|
|
1444 | munmap (SV *scalar) |
|
|
1445 | PROTOTYPE: $ |
|
|
1446 | CODE: |
|
|
1447 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1448 | |
|
|
1449 | int |
|
|
1450 | madvise (SV *scalar, off_t offset, off_t length, IV advice) |
|
|
1451 | PROTOTYPE: $$$$ |
|
|
1452 | CODE: |
|
|
1453 | { |
|
|
1454 | char *addr = SvPV_nolen (scalar) + offset; |
|
|
1455 | |
|
|
1456 | if (!SvOK (ST (2))) |
|
|
1457 | length = SvCUR (scalar) - offset; |
|
|
1458 | |
|
|
1459 | if (addr >= SvEND (scalar) || length <= 0) |
|
|
1460 | XSRETURN_EMPTY; |
|
|
1461 | |
|
|
1462 | RETVAL = posix_madvise (addr, length, advice); |
|
|
1463 | } |
|
|
1464 | OUTPUT: |
|
|
1465 | RETVAL |
|
|
1466 | |
|
|
1467 | int |
|
|
1468 | mlockall (int flags) |
|
|
1469 | PROTOTYPE: $ |
|
|
1470 | CODE: |
|
|
1471 | #if _POSIX_MEMLOCK |
|
|
1472 | #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
|
|
1473 | extern int mallopt (int, int); |
|
|
1474 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
|
|
1475 | #endif |
|
|
1476 | mlockall (flags); |
|
|
1477 | #else |
|
|
1478 | RETVAL = -1; |
|
|
1479 | errno = ENOSYS; |
|
|
1480 | #endif |
|
|
1481 | OUTPUT: |
|
|
1482 | RETVAL |
|
|
1483 | |
|
|
1484 | int |
|
|
1485 | munlockall () |
|
|
1486 | PROTOTYPE: |
|
|
1487 | CODE: |
|
|
1488 | #if _POSIX_MEMLOCK |
|
|
1489 | munlockall (); |
|
|
1490 | #else |
|
|
1491 | RETVAL = -1; |
|
|
1492 | errno = ENOSYS; |
|
|
1493 | #endif |
|
|
1494 | OUTPUT: |
|
|
1495 | RETVAL |
1212 | |
1496 | |
1213 | void _on_next_submit (SV *cb) |
1497 | void _on_next_submit (SV *cb) |
1214 | CODE: |
1498 | CODE: |
1215 | SvREFCNT_dec (on_next_submit); |
1499 | SvREFCNT_dec (on_next_submit); |
1216 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1500 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
… | |
… | |
1231 | if (GIMME_V != G_VOID) |
1515 | if (GIMME_V != G_VOID) |
1232 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
1516 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
1233 | |
1517 | |
1234 | if (items > 1) |
1518 | if (items > 1) |
1235 | { |
1519 | { |
1236 | SV *cb_cv = get_cb (callback); |
1520 | SV *cb_cv =get_cb (callback); |
1237 | |
1521 | |
1238 | SvREFCNT_dec (req->callback); |
1522 | SvREFCNT_dec (req->callback); |
1239 | req->callback = SvREFCNT_inc (cb_cv); |
1523 | req->callback = SvREFCNT_inc (cb_cv); |
1240 | } |
1524 | } |
1241 | } |
1525 | } |