… | |
… | |
11 | #include <stddef.h> |
11 | #include <stddef.h> |
12 | #include <stdlib.h> |
12 | #include <stdlib.h> |
13 | #include <errno.h> |
13 | #include <errno.h> |
14 | #include <sys/types.h> |
14 | #include <sys/types.h> |
15 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
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16 | #include <sys/statvfs.h> |
16 | #include <limits.h> |
17 | #include <limits.h> |
17 | #include <fcntl.h> |
18 | #include <fcntl.h> |
18 | #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 |
19 | |
24 | |
20 | /* perl namespace pollution */ |
25 | /* perl namespace pollution */ |
21 | #undef VERSION |
26 | #undef VERSION |
22 | |
27 | |
23 | #ifdef _WIN32 |
28 | #ifdef _WIN32 |
… | |
… | |
99 | #define expect_false(expr) expect ((expr) != 0, 0) |
104 | #define expect_false(expr) expect ((expr) != 0, 0) |
100 | #define expect_true(expr) expect ((expr) != 0, 1) |
105 | #define expect_true(expr) expect ((expr) != 0, 1) |
101 | |
106 | |
102 | /*****************************************************************************/ |
107 | /*****************************************************************************/ |
103 | |
108 | |
104 | static HV *stash; |
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105 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
109 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
106 | typedef int aio_rfd; /* read file desriptor */ |
110 | typedef int aio_rfd; /* read file desriptor */ |
107 | typedef int aio_wfd; /* write file descriptor */ |
111 | typedef int aio_wfd; /* write file descriptor */ |
108 | |
112 | |
109 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
113 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash; |
110 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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111 | |
114 | |
112 | #define EIO_REQ_MEMBERS \ |
115 | #define EIO_REQ_MEMBERS \ |
113 | SV *callback; \ |
116 | SV *callback; \ |
114 | SV *sv1, *sv2; \ |
117 | SV *sv1, *sv2; \ |
115 | STRLEN stroffset; \ |
118 | STRLEN stroffset; \ |
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… | |
121 | |
124 | |
122 | #ifndef POSIX_FADV_NORMAL |
125 | #ifndef POSIX_FADV_NORMAL |
123 | # define POSIX_FADV_NORMAL 0 |
126 | # define POSIX_FADV_NORMAL 0 |
124 | # define NO_FADVISE 1 |
127 | # define NO_FADVISE 1 |
125 | #endif |
128 | #endif |
126 | |
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127 | #ifndef POSIX_FADV_SEQUENTIAL |
129 | #ifndef POSIX_FADV_SEQUENTIAL |
128 | # define POSIX_FADV_SEQUENTIAL 0 |
130 | # define POSIX_FADV_SEQUENTIAL 0 |
129 | #endif |
131 | #endif |
130 | |
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131 | #ifndef POSIX_FADV_RANDOM |
132 | #ifndef POSIX_FADV_RANDOM |
132 | # define POSIX_FADV_RANDOM 0 |
133 | # define POSIX_FADV_RANDOM 0 |
133 | #endif |
134 | #endif |
134 | |
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135 | #ifndef POSIX_FADV_NOREUSE |
135 | #ifndef POSIX_FADV_NOREUSE |
136 | # define POSIX_FADV_NOREUSE 0 |
136 | # define POSIX_FADV_NOREUSE 0 |
137 | #endif |
137 | #endif |
138 | |
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139 | #ifndef POSIX_FADV_WILLNEED |
138 | #ifndef POSIX_FADV_WILLNEED |
140 | # define POSIX_FADV_WILLNEED 0 |
139 | # define POSIX_FADV_WILLNEED 0 |
141 | #endif |
140 | #endif |
142 | |
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143 | #ifndef POSIX_FADV_DONTNEED |
141 | #ifndef POSIX_FADV_DONTNEED |
144 | # 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 PROT_NONE |
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171 | # define PROT_NONE 0 |
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172 | #endif |
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173 | #ifndef PROT_READ |
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174 | # define PROT_READ 0 |
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175 | #endif |
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176 | #ifndef PROT_WRITE |
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177 | # define PROT_READ 0 |
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178 | #endif |
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179 | #ifndef PROT_EXEC |
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180 | # define PROT_EXEC 0 |
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181 | #endif |
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182 | |
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183 | #ifndef ST_NODEV |
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184 | # define ST_NODEV 0 |
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185 | #endif |
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186 | #ifndef ST_NOEXEC |
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187 | # define ST_NOEXEC 0 |
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188 | #endif |
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189 | #ifndef ST_SYNCHRONOUS |
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190 | # define ST_SYNCHRONOUS 0 |
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191 | #endif |
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192 | #ifndef ST_MANDLOCK |
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193 | # define ST_MANDLOCK 0 |
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194 | #endif |
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195 | #ifndef ST_WRITE |
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196 | # define ST_WRITE 0 |
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197 | #endif |
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198 | #ifndef ST_APPEND |
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199 | # define ST_APPEND 0 |
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200 | #endif |
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201 | #ifndef ST_IMMUTABLE |
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202 | # define ST_IMMUTABLE 0 |
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203 | #endif |
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204 | #ifndef ST_NOATIME |
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205 | # define ST_NOATIME 0 |
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206 | #endif |
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207 | #ifndef ST_NODIRATIME |
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208 | # define ST_NODIRATIME 0 |
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209 | #endif |
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210 | #ifndef ST_RELATIME |
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211 | # define ST_RELATIME 0 |
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212 | #endif |
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213 | |
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214 | #ifndef MAP_ANONYMOUS |
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215 | # ifdef MAP_ANON |
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216 | # define MAP_ANONYMOUS MAP_ANON |
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217 | # else |
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218 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
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219 | # endif |
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220 | #endif |
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221 | #ifndef MAP_HUGETLB |
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222 | # define MAP_HUGETLB 0 |
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223 | #endif |
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224 | #ifndef MAP_LOCKED |
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225 | # define MAP_LOCKED 0 |
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226 | #endif |
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227 | #ifndef MAP_NORESERVE |
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228 | # define MAP_NORESERVE 0 |
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229 | #endif |
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230 | #ifndef MAP_POPULATE |
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231 | # define MAP_POPULATE 0 |
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232 | #endif |
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233 | #ifndef MAP_NONBLOCK |
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234 | # define MAP_NONBLOCK 0 |
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235 | #endif |
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236 | |
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237 | #ifndef PAGESIZE |
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238 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
145 | #endif |
239 | #endif |
146 | |
240 | |
147 | static int req_invoke (eio_req *req); |
241 | static int req_invoke (eio_req *req); |
148 | #define EIO_FINISH(req) req_invoke (req) |
242 | #define EIO_FINISH(req) req_invoke (req) |
149 | static void req_destroy (eio_req *grp); |
243 | static void req_destroy (eio_req *grp); |
… | |
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160 | |
254 | |
161 | static SV *on_next_submit; |
255 | static SV *on_next_submit; |
162 | static int next_pri = EIO_PRI_DEFAULT; |
256 | static int next_pri = EIO_PRI_DEFAULT; |
163 | static int max_outstanding; |
257 | static int max_outstanding; |
164 | |
258 | |
165 | static int respipe_osf [2]; |
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166 | static s_epipe respipe; |
259 | static s_epipe respipe; |
167 | |
260 | |
168 | static void req_destroy (aio_req req); |
261 | static void req_destroy (aio_req req); |
169 | static void req_cancel (aio_req req); |
262 | static void req_cancel (aio_req req); |
170 | |
263 | |
… | |
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179 | /* read any signals sent by the worker threads */ |
272 | /* read any signals sent by the worker threads */ |
180 | s_epipe_drain (&respipe); |
273 | s_epipe_drain (&respipe); |
181 | } |
274 | } |
182 | |
275 | |
183 | /* must be called at most once */ |
276 | /* must be called at most once */ |
184 | static SV *req_sv (aio_req req, const char *klass) |
277 | static SV *req_sv (aio_req req, HV *stash) |
185 | { |
278 | { |
186 | if (!req->self) |
279 | if (!req->self) |
187 | { |
280 | { |
188 | req->self = (SV *)newHV (); |
281 | req->self = (SV *)newHV (); |
189 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
282 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
190 | } |
283 | } |
191 | |
284 | |
192 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
285 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
193 | } |
286 | } |
194 | |
287 | |
195 | static aio_req SvAIO_REQ (SV *sv) |
288 | static aio_req SvAIO_REQ (SV *sv) |
196 | { |
289 | { |
197 | MAGIC *mg; |
290 | MAGIC *mg; |
198 | |
291 | |
199 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
292 | if (!SvROK (sv) |
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293 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
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294 | && SvSTASH (SvRV (sv)) != aio_req_stash |
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295 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
200 | croak ("object of class " AIO_REQ_KLASS " expected"); |
296 | croak ("object of class IO::AIO::REQ expected"); |
201 | |
297 | |
202 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
298 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
203 | |
299 | |
204 | return mg ? (aio_req)mg->mg_ptr : 0; |
300 | return mg ? (aio_req)mg->mg_ptr : 0; |
205 | } |
301 | } |
… | |
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211 | dSP; |
307 | dSP; |
212 | |
308 | |
213 | ENTER; |
309 | ENTER; |
214 | SAVETMPS; |
310 | SAVETMPS; |
215 | PUSHMARK (SP); |
311 | PUSHMARK (SP); |
216 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
312 | XPUSHs (req_sv (grp, aio_grp_stash)); |
217 | PUTBACK; |
313 | PUTBACK; |
218 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
314 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
219 | SPAGAIN; |
315 | SPAGAIN; |
220 | FREETMPS; |
316 | FREETMPS; |
221 | LEAVE; |
317 | LEAVE; |
… | |
… | |
239 | } |
335 | } |
240 | } |
336 | } |
241 | |
337 | |
242 | static int req_invoke (eio_req *req) |
338 | static int req_invoke (eio_req *req) |
243 | { |
339 | { |
244 | dSP; |
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245 | |
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246 | if (req->flags & FLAG_SV2_RO_OFF) |
340 | if (req->flags & FLAG_SV2_RO_OFF) |
247 | SvREADONLY_off (req->sv2); |
341 | SvREADONLY_off (req->sv2); |
248 | |
342 | |
249 | if (!EIO_CANCELLED (req) && req->callback) |
343 | if (!EIO_CANCELLED (req) && req->callback) |
250 | { |
344 | { |
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345 | dSP; |
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346 | static SV *sv_result_cache; /* caches the result integer SV */ |
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347 | SV *sv_result; |
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348 | |
251 | ENTER; |
349 | ENTER; |
252 | SAVETMPS; |
350 | SAVETMPS; |
253 | PUSHMARK (SP); |
351 | PUSHMARK (SP); |
254 | EXTEND (SP, 1); |
352 | EXTEND (SP, 1); |
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353 | |
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354 | /* do not recreate the result IV from scratch each time */ |
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355 | if (expect_true (sv_result_cache)) |
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356 | { |
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357 | sv_result = sv_result_cache; sv_result_cache = 0; |
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358 | SvIV_set (sv_result, req->result); |
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359 | } |
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360 | else |
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361 | { |
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362 | sv_result = newSViv (req->result); |
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363 | SvREADONLY_on (sv_result); |
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364 | } |
255 | |
365 | |
256 | switch (req->type) |
366 | switch (req->type) |
257 | { |
367 | { |
258 | case EIO_READDIR: |
368 | case EIO_READDIR: |
259 | { |
369 | { |
… | |
… | |
327 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
437 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
328 | char sym [64]; |
438 | char sym [64]; |
329 | int symlen; |
439 | int symlen; |
330 | |
440 | |
331 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
441 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
332 | gv_init (gv, stash, sym, symlen, 0); |
442 | gv_init (gv, aio_stash, sym, symlen, 0); |
333 | |
443 | |
334 | symlen = snprintf ( |
444 | symlen = snprintf ( |
335 | sym, |
445 | sym, |
336 | sizeof (sym), |
446 | sizeof (sym), |
337 | "%s&=%d", |
447 | "%s&=%d", |
… | |
… | |
345 | |
455 | |
346 | PUSHs (fh); |
456 | PUSHs (fh); |
347 | } |
457 | } |
348 | break; |
458 | break; |
349 | |
459 | |
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460 | case EIO_STATVFS: |
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461 | case EIO_FSTATVFS: |
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462 | { |
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463 | SV *rv = &PL_sv_undef; |
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464 | |
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465 | if (req->result >= 0) |
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466 | { |
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467 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
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468 | HV *hv = newHV (); |
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469 | |
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470 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
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471 | |
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472 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
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473 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
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474 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
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475 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
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476 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
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477 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
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478 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
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479 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
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480 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
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481 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
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482 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
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483 | } |
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484 | |
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485 | PUSHs (rv); |
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486 | } |
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487 | |
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488 | break; |
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489 | |
350 | case EIO_GROUP: |
490 | case EIO_GROUP: |
351 | req->int1 = 2; /* mark group as finished */ |
491 | req->int1 = 2; /* mark group as finished */ |
352 | |
492 | |
353 | if (req->sv1) |
493 | if (req->sv1) |
354 | { |
494 | { |
… | |
… | |
374 | case EIO_LSTAT: |
514 | case EIO_LSTAT: |
375 | case EIO_FSTAT: |
515 | case EIO_FSTAT: |
376 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
516 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
377 | PL_laststatval = req->result; |
517 | PL_laststatval = req->result; |
378 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
518 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
379 | PUSHs (sv_2mortal (newSViv (req->result))); |
519 | PUSHs (sv_result); |
380 | break; |
520 | break; |
381 | |
521 | |
382 | case EIO_READ: |
522 | case EIO_READ: |
383 | { |
523 | { |
384 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
524 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
385 | *SvEND (req->sv2) = 0; |
525 | *SvEND (req->sv2) = 0; |
386 | SvPOK_only (req->sv2); |
526 | SvPOK_only (req->sv2); |
387 | SvSETMAGIC (req->sv2); |
527 | SvSETMAGIC (req->sv2); |
388 | PUSHs (sv_2mortal (newSViv (req->result))); |
528 | PUSHs (sv_result); |
389 | } |
529 | } |
390 | break; |
530 | break; |
391 | |
531 | |
392 | case EIO_DUP2: |
532 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ |
393 | if (req->result > 0) |
533 | if (req->result > 0) |
394 | req->result = 0; |
534 | SvIV_set (sv_result, 0); |
395 | /* FALLTHROUGH */ |
535 | /* FALLTHROUGH */ |
396 | |
536 | |
397 | default: |
537 | default: |
398 | PUSHs (sv_2mortal (newSViv (req->result))); |
538 | PUSHs (sv_result); |
399 | break; |
539 | break; |
400 | } |
540 | } |
401 | |
541 | |
402 | errno = req->errorno; |
542 | errno = req->errorno; |
403 | |
543 | |
404 | PUTBACK; |
544 | PUTBACK; |
405 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
545 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
406 | SPAGAIN; |
546 | SPAGAIN; |
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547 | |
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548 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
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549 | SvREFCNT_dec (sv_result); |
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550 | else |
|
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551 | sv_result_cache = sv_result; |
407 | |
552 | |
408 | FREETMPS; |
553 | FREETMPS; |
409 | LEAVE; |
554 | LEAVE; |
410 | |
555 | |
411 | PUTBACK; |
556 | PUTBACK; |
… | |
… | |
444 | |
589 | |
445 | static void |
590 | static void |
446 | create_respipe (void) |
591 | create_respipe (void) |
447 | { |
592 | { |
448 | if (s_epipe_renew (&respipe)) |
593 | if (s_epipe_renew (&respipe)) |
449 | croak ("unable to initialize result pipe"); |
594 | croak ("IO::AIO: unable to initialize result pipe"); |
450 | |
|
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451 | respipe_osf [0] = S_TO_SOCKET (respipe.fd [0]); |
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452 | respipe_osf [1] = S_TO_SOCKET (respipe.fd [1]); |
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453 | } |
595 | } |
454 | |
596 | |
455 | static void poll_wait (void) |
597 | static void poll_wait (void) |
456 | { |
598 | { |
457 | while (eio_nreqs ()) |
599 | while (eio_nreqs ()) |
… | |
… | |
489 | |
631 | |
490 | static void atfork_child (void) |
632 | static void atfork_child (void) |
491 | { |
633 | { |
492 | create_respipe (); |
634 | create_respipe (); |
493 | } |
635 | } |
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636 | |
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637 | /*****************************************************************************/ |
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638 | |
|
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639 | #if !_POSIX_MAPPED_FILES |
|
|
640 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
|
|
641 | # define munmap(addr,length) (errno = ENOSYS, -1) |
|
|
642 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
|
|
643 | #endif |
|
|
644 | |
|
|
645 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
646 | |
|
|
647 | static int |
|
|
648 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
649 | { |
|
|
650 | int old_errno = errno; |
|
|
651 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
652 | errno = old_errno; |
|
|
653 | |
|
|
654 | mg->mg_obj = 0; /* just in case */ |
|
|
655 | |
|
|
656 | SvREADONLY_off (sv); |
|
|
657 | |
|
|
658 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
659 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
660 | |
|
|
661 | SvCUR_set (sv, 0); |
|
|
662 | SvPVX (sv) = 0; |
|
|
663 | SvOK_off (sv); |
|
|
664 | |
|
|
665 | return 0; |
|
|
666 | } |
|
|
667 | |
|
|
668 | static MGVTBL mmap_vtbl = { |
|
|
669 | 0, 0, 0, 0, mmap_free |
|
|
670 | }; |
|
|
671 | |
|
|
672 | /*****************************************************************************/ |
494 | |
673 | |
495 | static SV * |
674 | static SV * |
496 | get_cb (SV *cb_sv) |
675 | get_cb (SV *cb_sv) |
497 | { |
676 | { |
498 | SvGETMAGIC (cb_sv); |
677 | SvGETMAGIC (cb_sv); |
… | |
… | |
518 | PUTBACK; \ |
697 | PUTBACK; \ |
519 | req_submit (req); \ |
698 | req_submit (req); \ |
520 | SPAGAIN; \ |
699 | SPAGAIN; \ |
521 | \ |
700 | \ |
522 | if (GIMME_V != G_VOID) \ |
701 | if (GIMME_V != G_VOID) \ |
523 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
702 | XPUSHs (req_sv (req, aio_req_stash)); |
524 | |
703 | |
525 | MODULE = IO::AIO PACKAGE = IO::AIO |
704 | MODULE = IO::AIO PACKAGE = IO::AIO |
526 | |
705 | |
527 | PROTOTYPES: ENABLE |
706 | PROTOTYPES: ENABLE |
528 | |
707 | |
… | |
… | |
530 | { |
709 | { |
531 | static const struct { |
710 | static const struct { |
532 | const char *name; |
711 | const char *name; |
533 | IV iv; |
712 | IV iv; |
534 | } *civ, const_iv[] = { |
713 | } *civ, const_iv[] = { |
535 | # define const_iv(name, value) { # name, (IV) value }, |
714 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
715 | # define const_iv(name) { # name, (IV) name }, |
536 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
716 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
537 | const_iv (EXDEV , EXDEV) |
717 | const_iv (EXDEV) |
538 | const_iv (ENOSYS , ENOSYS) |
718 | const_iv (ENOSYS) |
539 | const_iv (O_RDONLY, O_RDONLY) |
719 | const_iv (O_RDONLY) |
540 | const_iv (O_WRONLY, O_WRONLY) |
720 | const_iv (O_WRONLY) |
|
|
721 | const_iv (O_RDWR) |
541 | const_iv (O_CREAT , O_CREAT) |
722 | const_iv (O_CREAT) |
542 | const_iv (O_TRUNC , O_TRUNC) |
723 | const_iv (O_TRUNC) |
|
|
724 | const_iv (O_EXCL) |
|
|
725 | const_iv (O_APPEND) |
543 | #ifndef _WIN32 |
726 | #ifndef _WIN32 |
544 | const_iv (S_IFIFO , S_IFIFO) |
727 | const_iv (S_IFIFO) |
545 | #endif |
728 | #endif |
546 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
729 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
547 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
730 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
548 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
731 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
549 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
732 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
550 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
733 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
551 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
734 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
735 | |
|
|
736 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
737 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
738 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
739 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
740 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
741 | |
|
|
742 | const_iv (ST_RDONLY) |
|
|
743 | const_iv (ST_NOSUID) |
|
|
744 | const_iv (ST_NODEV) |
|
|
745 | const_iv (ST_NOEXEC) |
|
|
746 | const_iv (ST_SYNCHRONOUS) |
|
|
747 | const_iv (ST_MANDLOCK) |
|
|
748 | const_iv (ST_WRITE) |
|
|
749 | const_iv (ST_APPEND) |
|
|
750 | const_iv (ST_IMMUTABLE) |
|
|
751 | const_iv (ST_NOATIME) |
|
|
752 | const_iv (ST_NODIRATIME) |
|
|
753 | const_iv (ST_RELATIME) |
|
|
754 | |
|
|
755 | const_iv (PROT_NONE) |
|
|
756 | const_iv (PROT_EXEC) |
|
|
757 | const_iv (PROT_READ) |
|
|
758 | const_iv (PROT_WRITE) |
|
|
759 | |
|
|
760 | /*const_iv (MAP_FIXED)*/ |
|
|
761 | const_iv (MAP_PRIVATE) |
|
|
762 | const_iv (MAP_SHARED) |
|
|
763 | const_iv (MAP_ANONYMOUS) |
|
|
764 | |
|
|
765 | /* linuxish */ |
|
|
766 | const_iv (MAP_HUGETLB) |
|
|
767 | const_iv (MAP_LOCKED) |
|
|
768 | const_iv (MAP_NORESERVE) |
|
|
769 | const_iv (MAP_POPULATE) |
|
|
770 | const_iv (MAP_NONBLOCK) |
|
|
771 | |
|
|
772 | const_eio (MCL_FUTURE) |
|
|
773 | const_eio (MCL_CURRENT) |
|
|
774 | |
|
|
775 | const_eio (MS_ASYNC) |
|
|
776 | const_eio (MS_INVALIDATE) |
|
|
777 | const_eio (MS_SYNC) |
|
|
778 | |
|
|
779 | const_eio (MT_MODIFY) |
552 | |
780 | |
553 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
781 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
554 | const_eio (SYNC_FILE_RANGE_WRITE) |
782 | const_eio (SYNC_FILE_RANGE_WRITE) |
555 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
783 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
556 | |
784 | |
… | |
… | |
568 | const_eio (DT_LNK) |
796 | const_eio (DT_LNK) |
569 | const_eio (DT_SOCK) |
797 | const_eio (DT_SOCK) |
570 | const_eio (DT_WHT) |
798 | const_eio (DT_WHT) |
571 | }; |
799 | }; |
572 | |
800 | |
573 | stash = gv_stashpv ("IO::AIO", 1); |
801 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
802 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
803 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
574 | |
804 | |
575 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
805 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
576 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
806 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
807 | |
|
|
808 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
577 | |
809 | |
578 | create_respipe (); |
810 | create_respipe (); |
579 | |
811 | |
580 | if (eio_init (want_poll, done_poll) < 0) |
812 | if (eio_init (want_poll, done_poll) < 0) |
581 | croak ("IO::AIO: unable to initialise eio library"); |
813 | croak ("IO::AIO: unable to initialise eio library"); |
… | |
… | |
620 | CODE: |
852 | CODE: |
621 | max_outstanding = maxreqs; |
853 | max_outstanding = maxreqs; |
622 | |
854 | |
623 | void |
855 | void |
624 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
856 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
625 | PROTOTYPE: $$$;$ |
|
|
626 | PPCODE: |
857 | PPCODE: |
627 | { |
858 | { |
628 | dREQ; |
859 | dREQ; |
629 | |
860 | |
630 | req->type = EIO_OPEN; |
861 | req->type = EIO_OPEN; |
… | |
… | |
636 | REQ_SEND; |
867 | REQ_SEND; |
637 | } |
868 | } |
638 | |
869 | |
639 | void |
870 | void |
640 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
871 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
641 | PROTOTYPE: $;$ |
|
|
642 | ALIAS: |
872 | ALIAS: |
643 | aio_fsync = EIO_FSYNC |
873 | aio_fsync = EIO_FSYNC |
644 | aio_fdatasync = EIO_FDATASYNC |
874 | aio_fdatasync = EIO_FDATASYNC |
645 | PPCODE: |
875 | PPCODE: |
646 | { |
876 | { |
… | |
… | |
654 | REQ_SEND (req); |
884 | REQ_SEND (req); |
655 | } |
885 | } |
656 | |
886 | |
657 | void |
887 | void |
658 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
888 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
659 | PROTOTYPE: $$$$;$ |
|
|
660 | PPCODE: |
889 | PPCODE: |
661 | { |
890 | { |
662 | int fd = s_fileno_croak (fh, 0); |
891 | int fd = s_fileno_croak (fh, 0); |
663 | dREQ; |
892 | dREQ; |
664 | |
893 | |
… | |
… | |
672 | REQ_SEND (req); |
901 | REQ_SEND (req); |
673 | } |
902 | } |
674 | |
903 | |
675 | void |
904 | void |
676 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
905 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
677 | PROTOTYPE: $;$ |
|
|
678 | PPCODE: |
906 | PPCODE: |
679 | { |
907 | { |
680 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
908 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
681 | int fd = s_fileno_croak (fh, 0); |
909 | int fd = s_fileno_croak (fh, 0); |
682 | dREQ; |
910 | dREQ; |
… | |
… | |
704 | void |
932 | void |
705 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
933 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
706 | ALIAS: |
934 | ALIAS: |
707 | aio_read = EIO_READ |
935 | aio_read = EIO_READ |
708 | aio_write = EIO_WRITE |
936 | aio_write = EIO_WRITE |
709 | PROTOTYPE: $$$$$;$ |
|
|
710 | PPCODE: |
937 | PPCODE: |
711 | { |
938 | { |
712 | STRLEN svlen; |
939 | STRLEN svlen; |
713 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
940 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
714 | char *svptr = SvPVbyte (data, svlen); |
941 | char *svptr = SvPVbyte (data, svlen); |
… | |
… | |
755 | } |
982 | } |
756 | } |
983 | } |
757 | |
984 | |
758 | void |
985 | void |
759 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
986 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
760 | PROTOTYPE: $$;$ |
|
|
761 | PPCODE: |
987 | PPCODE: |
762 | { |
988 | { |
763 | SV *data; |
989 | SV *data; |
764 | dREQ; |
990 | dREQ; |
765 | |
991 | |
… | |
… | |
770 | REQ_SEND; |
996 | REQ_SEND; |
771 | } |
997 | } |
772 | |
998 | |
773 | void |
999 | void |
774 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1000 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
775 | PROTOTYPE: $$$$;$ |
|
|
776 | PPCODE: |
1001 | PPCODE: |
777 | { |
1002 | { |
778 | int ifd = s_fileno_croak (in_fh , 0); |
1003 | int ifd = s_fileno_croak (in_fh , 0); |
779 | int ofd = s_fileno_croak (out_fh, 1); |
1004 | int ofd = s_fileno_croak (out_fh, 1); |
780 | dREQ; |
1005 | dREQ; |
… | |
… | |
790 | REQ_SEND; |
1015 | REQ_SEND; |
791 | } |
1016 | } |
792 | |
1017 | |
793 | void |
1018 | void |
794 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1019 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
795 | PROTOTYPE: $$$;$ |
|
|
796 | PPCODE: |
1020 | PPCODE: |
797 | { |
1021 | { |
798 | int fd = s_fileno_croak (fh, 0); |
1022 | int fd = s_fileno_croak (fh, 0); |
799 | dREQ; |
1023 | dREQ; |
800 | |
1024 | |
… | |
… | |
808 | } |
1032 | } |
809 | |
1033 | |
810 | void |
1034 | void |
811 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1035 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
812 | ALIAS: |
1036 | ALIAS: |
813 | aio_stat = EIO_STAT |
1037 | aio_stat = EIO_STAT |
814 | aio_lstat = EIO_LSTAT |
1038 | aio_lstat = EIO_LSTAT |
|
|
1039 | aio_statvfs = EIO_STATVFS |
815 | PPCODE: |
1040 | PPCODE: |
816 | { |
1041 | { |
817 | dREQ; |
1042 | dREQ; |
818 | |
1043 | |
819 | req->sv1 = newSVsv (fh_or_path); |
1044 | req->sv1 = newSVsv (fh_or_path); |
… | |
… | |
823 | req->type = ix; |
1048 | req->type = ix; |
824 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1049 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
825 | } |
1050 | } |
826 | else |
1051 | else |
827 | { |
1052 | { |
828 | req->type = EIO_FSTAT; |
1053 | req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
829 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1054 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
830 | } |
1055 | } |
831 | |
1056 | |
832 | REQ_SEND; |
1057 | REQ_SEND; |
833 | } |
1058 | } |
… | |
… | |
996 | |
1221 | |
997 | REQ_SEND; |
1222 | REQ_SEND; |
998 | } |
1223 | } |
999 | |
1224 | |
1000 | void |
1225 | void |
|
|
1226 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1227 | ALIAS: |
|
|
1228 | aio_mtouch = EIO_MTOUCH |
|
|
1229 | aio_msync = EIO_MSYNC |
|
|
1230 | PPCODE: |
|
|
1231 | { |
|
|
1232 | STRLEN svlen; |
|
|
1233 | char *svptr = SvPVbyte (data, svlen); |
|
|
1234 | UV len = SvUV (length); |
|
|
1235 | |
|
|
1236 | if (offset < 0) |
|
|
1237 | offset += svlen; |
|
|
1238 | |
|
|
1239 | if (offset < 0 || offset > svlen) |
|
|
1240 | croak ("offset outside of scalar"); |
|
|
1241 | |
|
|
1242 | if (!SvOK (length) || len + offset > svlen) |
|
|
1243 | len = svlen - offset; |
|
|
1244 | |
|
|
1245 | { |
|
|
1246 | dREQ; |
|
|
1247 | |
|
|
1248 | req->type = ix; |
|
|
1249 | req->sv2 = SvREFCNT_inc (data); |
|
|
1250 | req->ptr2 = (char *)svptr + offset; |
|
|
1251 | req->size = len; |
|
|
1252 | req->int1 = flags; |
|
|
1253 | |
|
|
1254 | REQ_SEND; |
|
|
1255 | } |
|
|
1256 | } |
|
|
1257 | |
|
|
1258 | void |
|
|
1259 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
|
|
1260 | PPCODE: |
|
|
1261 | { |
|
|
1262 | |
|
|
1263 | STRLEN svlen; |
|
|
1264 | char *svptr = SvPVbyte (data, svlen); |
|
|
1265 | UV len = SvUV (length); |
|
|
1266 | |
|
|
1267 | if (offset < 0) |
|
|
1268 | offset += svlen; |
|
|
1269 | |
|
|
1270 | if (offset < 0 || offset > svlen) |
|
|
1271 | croak ("offset outside of scalar"); |
|
|
1272 | |
|
|
1273 | if (!SvOK (length) || len + offset > svlen) |
|
|
1274 | len = svlen - offset; |
|
|
1275 | |
|
|
1276 | { |
|
|
1277 | dREQ; |
|
|
1278 | |
|
|
1279 | req->type = EIO_MLOCK; |
|
|
1280 | req->sv2 = SvREFCNT_inc (data); |
|
|
1281 | req->ptr2 = (char *)svptr + offset; |
|
|
1282 | req->size = len; |
|
|
1283 | |
|
|
1284 | REQ_SEND; |
|
|
1285 | } |
|
|
1286 | } |
|
|
1287 | |
|
|
1288 | void |
|
|
1289 | aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
|
|
1290 | PPCODE: |
|
|
1291 | { |
|
|
1292 | dREQ; |
|
|
1293 | |
|
|
1294 | req->type = EIO_MLOCKALL; |
|
|
1295 | req->int1 = flags; |
|
|
1296 | |
|
|
1297 | REQ_SEND; |
|
|
1298 | } |
|
|
1299 | |
|
|
1300 | void |
1001 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1301 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1002 | PPCODE: |
1302 | PPCODE: |
1003 | { |
1303 | { |
1004 | dREQ; |
1304 | dREQ; |
1005 | |
1305 | |
… | |
… | |
1009 | REQ_SEND; |
1309 | REQ_SEND; |
1010 | } |
1310 | } |
1011 | |
1311 | |
1012 | void |
1312 | void |
1013 | aio_group (SV *callback=&PL_sv_undef) |
1313 | aio_group (SV *callback=&PL_sv_undef) |
1014 | PROTOTYPE: ;$ |
|
|
1015 | PPCODE: |
1314 | PPCODE: |
1016 | { |
1315 | { |
1017 | dREQ; |
1316 | dREQ; |
1018 | |
1317 | |
1019 | req->type = EIO_GROUP; |
1318 | req->type = EIO_GROUP; |
1020 | |
1319 | |
1021 | req_submit (req); |
1320 | req_submit (req); |
1022 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1321 | XPUSHs (req_sv (req, aio_grp_stash)); |
1023 | } |
1322 | } |
1024 | |
1323 | |
1025 | void |
1324 | void |
1026 | aio_nop (SV *callback=&PL_sv_undef) |
1325 | aio_nop (SV *callback=&PL_sv_undef) |
1027 | ALIAS: |
1326 | ALIAS: |
… | |
… | |
1036 | REQ_SEND; |
1335 | REQ_SEND; |
1037 | } |
1336 | } |
1038 | |
1337 | |
1039 | int |
1338 | int |
1040 | aioreq_pri (int pri = 0) |
1339 | aioreq_pri (int pri = 0) |
1041 | PROTOTYPE: ;$ |
|
|
1042 | CODE: |
1340 | CODE: |
1043 | RETVAL = next_pri; |
1341 | RETVAL = next_pri; |
1044 | if (items > 0) |
1342 | if (items > 0) |
1045 | { |
1343 | { |
1046 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1344 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
… | |
… | |
1058 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1356 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1059 | next_pri = nice; |
1357 | next_pri = nice; |
1060 | |
1358 | |
1061 | void |
1359 | void |
1062 | flush () |
1360 | flush () |
1063 | PROTOTYPE: |
|
|
1064 | CODE: |
1361 | CODE: |
1065 | while (eio_nreqs ()) |
1362 | while (eio_nreqs ()) |
1066 | { |
1363 | { |
1067 | poll_wait (); |
1364 | poll_wait (); |
1068 | poll_cb (); |
1365 | poll_cb (); |
1069 | } |
1366 | } |
1070 | |
1367 | |
1071 | int |
1368 | int |
1072 | poll() |
1369 | poll () |
1073 | PROTOTYPE: |
|
|
1074 | CODE: |
1370 | CODE: |
1075 | poll_wait (); |
1371 | poll_wait (); |
1076 | RETVAL = poll_cb (); |
1372 | RETVAL = poll_cb (); |
1077 | OUTPUT: |
1373 | OUTPUT: |
1078 | RETVAL |
1374 | RETVAL |
1079 | |
1375 | |
1080 | int |
1376 | int |
1081 | poll_fileno() |
1377 | poll_fileno () |
1082 | PROTOTYPE: |
|
|
1083 | CODE: |
1378 | CODE: |
1084 | RETVAL = s_epipe_fd (&respipe); |
1379 | RETVAL = s_epipe_fd (&respipe); |
1085 | OUTPUT: |
1380 | OUTPUT: |
1086 | RETVAL |
1381 | RETVAL |
1087 | |
1382 | |
1088 | int |
1383 | int |
1089 | poll_cb(...) |
1384 | poll_cb (...) |
1090 | PROTOTYPE: |
1385 | PROTOTYPE: |
1091 | CODE: |
1386 | CODE: |
1092 | RETVAL = poll_cb (); |
1387 | RETVAL = poll_cb (); |
1093 | OUTPUT: |
1388 | OUTPUT: |
1094 | RETVAL |
1389 | RETVAL |
1095 | |
1390 | |
1096 | void |
1391 | void |
1097 | poll_wait() |
1392 | poll_wait () |
1098 | PROTOTYPE: |
|
|
1099 | CODE: |
1393 | CODE: |
1100 | poll_wait (); |
1394 | poll_wait (); |
1101 | |
1395 | |
1102 | int |
1396 | int |
1103 | nreqs() |
1397 | nreqs () |
1104 | PROTOTYPE: |
|
|
1105 | CODE: |
1398 | CODE: |
1106 | RETVAL = eio_nreqs (); |
1399 | RETVAL = eio_nreqs (); |
1107 | OUTPUT: |
1400 | OUTPUT: |
1108 | RETVAL |
1401 | RETVAL |
1109 | |
1402 | |
1110 | int |
1403 | int |
1111 | nready() |
1404 | nready () |
1112 | PROTOTYPE: |
|
|
1113 | CODE: |
1405 | CODE: |
1114 | RETVAL = eio_nready (); |
1406 | RETVAL = eio_nready (); |
1115 | OUTPUT: |
1407 | OUTPUT: |
1116 | RETVAL |
1408 | RETVAL |
1117 | |
1409 | |
1118 | int |
1410 | int |
1119 | npending() |
1411 | npending () |
1120 | PROTOTYPE: |
|
|
1121 | CODE: |
1412 | CODE: |
1122 | RETVAL = eio_npending (); |
1413 | RETVAL = eio_npending (); |
1123 | OUTPUT: |
1414 | OUTPUT: |
1124 | RETVAL |
1415 | RETVAL |
1125 | |
1416 | |
1126 | int |
1417 | int |
1127 | nthreads() |
1418 | nthreads () |
1128 | PROTOTYPE: |
|
|
1129 | CODE: |
1419 | CODE: |
1130 | RETVAL = eio_nthreads (); |
1420 | RETVAL = eio_nthreads (); |
1131 | OUTPUT: |
1421 | OUTPUT: |
1132 | RETVAL |
1422 | RETVAL |
1133 | |
1423 | |
1134 | int |
1424 | int |
1135 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1425 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1136 | PROTOTYPE: $$$$ |
|
|
1137 | CODE: |
1426 | CODE: |
1138 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
|
|
1139 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1427 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1140 | #else |
|
|
1141 | RETVAL = errno = ENOSYS; |
|
|
1142 | #endif |
|
|
1143 | OUTPUT: |
1428 | OUTPUT: |
1144 | RETVAL |
1429 | RETVAL |
1145 | |
1430 | |
1146 | ssize_t |
1431 | ssize_t |
1147 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1432 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1148 | PROTOTYPE: $$$$ |
|
|
1149 | CODE: |
1433 | CODE: |
1150 | eio_sendfile_sync (ofh, ifh, offset, count); |
1434 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1435 | OUTPUT: |
|
|
1436 | RETVAL |
|
|
1437 | |
|
|
1438 | void |
|
|
1439 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1440 | PPCODE: |
|
|
1441 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1442 | { |
|
|
1443 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1444 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1445 | if (addr == (void *)-1) |
|
|
1446 | XSRETURN_NO; |
|
|
1447 | |
|
|
1448 | sv_force_normal (scalar); |
|
|
1449 | |
|
|
1450 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1451 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1452 | ->mg_obj = (SV *)length; |
|
|
1453 | |
|
|
1454 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1455 | |
|
|
1456 | if (!(prot & PROT_WRITE)) |
|
|
1457 | SvREADONLY_on (scalar); |
|
|
1458 | |
|
|
1459 | if (SvLEN (scalar)) |
|
|
1460 | Safefree (SvPVX (scalar)); |
|
|
1461 | |
|
|
1462 | SvPVX (scalar) = (char *)addr; |
|
|
1463 | SvCUR_set (scalar, length); |
|
|
1464 | SvLEN_set (scalar, 0); |
|
|
1465 | SvPOK_only (scalar); |
|
|
1466 | |
|
|
1467 | XSRETURN_YES; |
|
|
1468 | } |
|
|
1469 | |
|
|
1470 | void |
|
|
1471 | munmap (SV *scalar) |
|
|
1472 | CODE: |
|
|
1473 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1474 | |
|
|
1475 | int |
|
|
1476 | madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
1477 | ALIAS: |
|
|
1478 | mprotect = 1 |
|
|
1479 | CODE: |
|
|
1480 | { |
|
|
1481 | STRLEN svlen; |
|
|
1482 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1483 | size_t len = SvUV (length); |
|
|
1484 | |
|
|
1485 | if (offset < 0) |
|
|
1486 | offset += svlen; |
|
|
1487 | |
|
|
1488 | if (offset < 0 || offset > svlen) |
|
|
1489 | croak ("offset outside of scalar"); |
|
|
1490 | |
|
|
1491 | if (!SvOK (length) || len + offset > svlen) |
|
|
1492 | len = svlen - offset; |
|
|
1493 | |
|
|
1494 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1495 | eio_page_align (&addr, &len); |
|
|
1496 | |
|
|
1497 | switch (ix) |
|
|
1498 | { |
|
|
1499 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1500 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1501 | } |
|
|
1502 | } |
|
|
1503 | OUTPUT: |
|
|
1504 | RETVAL |
|
|
1505 | |
|
|
1506 | int |
|
|
1507 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
|
|
1508 | CODE: |
|
|
1509 | { |
|
|
1510 | STRLEN svlen; |
|
|
1511 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1512 | size_t len = SvUV (length); |
|
|
1513 | |
|
|
1514 | if (offset < 0) |
|
|
1515 | offset += svlen; |
|
|
1516 | |
|
|
1517 | if (offset < 0 || offset > svlen) |
|
|
1518 | croak ("offset outside of scalar"); |
|
|
1519 | |
|
|
1520 | if (!SvOK (length) || len + offset > svlen) |
|
|
1521 | len = svlen - offset; |
|
|
1522 | |
|
|
1523 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1524 | eio_page_align (&addr, &len); |
|
|
1525 | #if _POSIX_MEMLOCK |
|
|
1526 | RETVAL = munlock (addr, len); |
|
|
1527 | #else |
|
|
1528 | RETVAL = ((errno = ENOSYS), -1); |
|
|
1529 | #endif |
|
|
1530 | } |
|
|
1531 | OUTPUT: |
|
|
1532 | RETVAL |
|
|
1533 | |
|
|
1534 | int |
|
|
1535 | munlockall () |
|
|
1536 | CODE: |
|
|
1537 | #if _POSIX_MEMLOCK |
|
|
1538 | munlockall (); |
|
|
1539 | #else |
|
|
1540 | RETVAL = -1; |
|
|
1541 | errno = ENOSYS; |
|
|
1542 | #endif |
|
|
1543 | OUTPUT: |
|
|
1544 | RETVAL |
1151 | |
1545 | |
1152 | void _on_next_submit (SV *cb) |
1546 | void _on_next_submit (SV *cb) |
1153 | CODE: |
1547 | CODE: |
1154 | SvREFCNT_dec (on_next_submit); |
1548 | SvREFCNT_dec (on_next_submit); |
1155 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1549 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |