… | |
… | |
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 |
… | |
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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 MCL_CURRENT |
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215 | # define MCL_CURRENT 0 |
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216 | #endif |
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217 | #ifndef MCL_FUTURE |
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218 | # define MCL_FUTURE 0 |
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219 | #endif |
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220 | |
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221 | #ifndef MAP_ANONYMOUS |
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222 | # ifdef MAP_ANON |
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223 | # define MAP_ANONYMOUS MAP_ANON |
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224 | # else |
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225 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
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226 | # endif |
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227 | #endif |
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228 | #ifndef MAP_HUGETLB |
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229 | # define MAP_HUGETLB 0 |
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230 | #endif |
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231 | #ifndef MAP_LOCKED |
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232 | # define MAP_LOCKED 0 |
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233 | #endif |
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234 | #ifndef MAP_NORESERVE |
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235 | # define MAP_NORESERVE 0 |
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236 | #endif |
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237 | #ifndef MAP_POPULATE |
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238 | # define MAP_POPULATE 0 |
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239 | #endif |
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240 | #ifndef MAP_NONBLOCK |
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241 | # define MAP_NONBLOCK 0 |
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242 | #endif |
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243 | |
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244 | #ifndef PAGESIZE |
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245 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
145 | #endif |
246 | #endif |
146 | |
247 | |
147 | static int req_invoke (eio_req *req); |
248 | static int req_invoke (eio_req *req); |
148 | #define EIO_FINISH(req) req_invoke (req) |
249 | #define EIO_FINISH(req) req_invoke (req) |
149 | static void req_destroy (eio_req *grp); |
250 | static void req_destroy (eio_req *grp); |
… | |
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160 | |
261 | |
161 | static SV *on_next_submit; |
262 | static SV *on_next_submit; |
162 | static int next_pri = EIO_PRI_DEFAULT; |
263 | static int next_pri = EIO_PRI_DEFAULT; |
163 | static int max_outstanding; |
264 | static int max_outstanding; |
164 | |
265 | |
165 | static int respipe_osf [2]; |
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166 | static s_epipe respipe; |
266 | static s_epipe respipe; |
167 | |
267 | |
168 | static void req_destroy (aio_req req); |
268 | static void req_destroy (aio_req req); |
169 | static void req_cancel (aio_req req); |
269 | static void req_cancel (aio_req req); |
170 | |
270 | |
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179 | /* read any signals sent by the worker threads */ |
279 | /* read any signals sent by the worker threads */ |
180 | s_epipe_drain (&respipe); |
280 | s_epipe_drain (&respipe); |
181 | } |
281 | } |
182 | |
282 | |
183 | /* must be called at most once */ |
283 | /* must be called at most once */ |
184 | static SV *req_sv (aio_req req, const char *klass) |
284 | static SV *req_sv (aio_req req, HV *stash) |
185 | { |
285 | { |
186 | if (!req->self) |
286 | if (!req->self) |
187 | { |
287 | { |
188 | req->self = (SV *)newHV (); |
288 | req->self = (SV *)newHV (); |
189 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
289 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
190 | } |
290 | } |
191 | |
291 | |
192 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
292 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
193 | } |
293 | } |
194 | |
294 | |
195 | static aio_req SvAIO_REQ (SV *sv) |
295 | static aio_req SvAIO_REQ (SV *sv) |
196 | { |
296 | { |
197 | MAGIC *mg; |
297 | MAGIC *mg; |
198 | |
298 | |
199 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
299 | if (!SvROK (sv) |
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300 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
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301 | && SvSTASH (SvRV (sv)) != aio_req_stash |
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302 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
200 | croak ("object of class " AIO_REQ_KLASS " expected"); |
303 | croak ("object of class IO::AIO::REQ expected"); |
201 | |
304 | |
202 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
305 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
203 | |
306 | |
204 | return mg ? (aio_req)mg->mg_ptr : 0; |
307 | return mg ? (aio_req)mg->mg_ptr : 0; |
205 | } |
308 | } |
… | |
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211 | dSP; |
314 | dSP; |
212 | |
315 | |
213 | ENTER; |
316 | ENTER; |
214 | SAVETMPS; |
317 | SAVETMPS; |
215 | PUSHMARK (SP); |
318 | PUSHMARK (SP); |
216 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
319 | XPUSHs (req_sv (grp, aio_grp_stash)); |
217 | PUTBACK; |
320 | PUTBACK; |
218 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
321 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
219 | SPAGAIN; |
322 | SPAGAIN; |
220 | FREETMPS; |
323 | FREETMPS; |
221 | LEAVE; |
324 | LEAVE; |
… | |
… | |
239 | } |
342 | } |
240 | } |
343 | } |
241 | |
344 | |
242 | static int req_invoke (eio_req *req) |
345 | static int req_invoke (eio_req *req) |
243 | { |
346 | { |
244 | dSP; |
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245 | |
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246 | if (req->flags & FLAG_SV2_RO_OFF) |
347 | if (req->flags & FLAG_SV2_RO_OFF) |
247 | SvREADONLY_off (req->sv2); |
348 | SvREADONLY_off (req->sv2); |
248 | |
349 | |
249 | if (!EIO_CANCELLED (req) && req->callback) |
350 | if (!EIO_CANCELLED (req) && req->callback) |
250 | { |
351 | { |
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352 | dSP; |
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353 | static SV *sv_result_cache; /* caches the result integer SV */ |
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354 | SV *sv_result; |
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355 | |
251 | ENTER; |
356 | ENTER; |
252 | SAVETMPS; |
357 | SAVETMPS; |
253 | PUSHMARK (SP); |
358 | PUSHMARK (SP); |
254 | EXTEND (SP, 1); |
359 | EXTEND (SP, 1); |
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360 | |
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361 | /* do not recreate the result IV from scratch each time */ |
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362 | if (expect_true (sv_result_cache)) |
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363 | { |
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364 | sv_result = sv_result_cache; sv_result_cache = 0; |
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365 | SvIV_set (sv_result, req->result); |
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366 | } |
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367 | else |
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368 | { |
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369 | sv_result = newSViv (req->result); |
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370 | SvREADONLY_on (sv_result); |
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371 | } |
255 | |
372 | |
256 | switch (req->type) |
373 | switch (req->type) |
257 | { |
374 | { |
258 | case EIO_READDIR: |
375 | case EIO_READDIR: |
259 | { |
376 | { |
… | |
… | |
327 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
444 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
328 | char sym [64]; |
445 | char sym [64]; |
329 | int symlen; |
446 | int symlen; |
330 | |
447 | |
331 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
448 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
332 | gv_init (gv, stash, sym, symlen, 0); |
449 | gv_init (gv, aio_stash, sym, symlen, 0); |
333 | |
450 | |
334 | symlen = snprintf ( |
451 | symlen = snprintf ( |
335 | sym, |
452 | sym, |
336 | sizeof (sym), |
453 | sizeof (sym), |
337 | "%s&=%d", |
454 | "%s&=%d", |
… | |
… | |
345 | |
462 | |
346 | PUSHs (fh); |
463 | PUSHs (fh); |
347 | } |
464 | } |
348 | break; |
465 | break; |
349 | |
466 | |
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467 | case EIO_STATVFS: |
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468 | case EIO_FSTATVFS: |
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469 | { |
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470 | SV *rv = &PL_sv_undef; |
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471 | |
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472 | if (req->result >= 0) |
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473 | { |
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474 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
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475 | HV *hv = newHV (); |
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476 | |
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477 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
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478 | |
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479 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
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480 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
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481 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
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482 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
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483 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
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484 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
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485 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
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486 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
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487 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
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488 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
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489 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
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490 | } |
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491 | |
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492 | PUSHs (rv); |
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493 | } |
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494 | |
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495 | break; |
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496 | |
350 | case EIO_GROUP: |
497 | case EIO_GROUP: |
351 | req->int1 = 2; /* mark group as finished */ |
498 | req->int1 = 2; /* mark group as finished */ |
352 | |
499 | |
353 | if (req->sv1) |
500 | if (req->sv1) |
354 | { |
501 | { |
… | |
… | |
374 | case EIO_LSTAT: |
521 | case EIO_LSTAT: |
375 | case EIO_FSTAT: |
522 | case EIO_FSTAT: |
376 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
523 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
377 | PL_laststatval = req->result; |
524 | PL_laststatval = req->result; |
378 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
525 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
379 | PUSHs (sv_2mortal (newSViv (req->result))); |
526 | PUSHs (sv_result); |
380 | break; |
527 | break; |
381 | |
528 | |
382 | case EIO_READ: |
529 | case EIO_READ: |
383 | { |
530 | { |
384 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
531 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
385 | *SvEND (req->sv2) = 0; |
532 | *SvEND (req->sv2) = 0; |
386 | SvPOK_only (req->sv2); |
533 | SvPOK_only (req->sv2); |
387 | SvSETMAGIC (req->sv2); |
534 | SvSETMAGIC (req->sv2); |
388 | PUSHs (sv_2mortal (newSViv (req->result))); |
535 | PUSHs (sv_result); |
389 | } |
536 | } |
390 | break; |
537 | break; |
391 | |
538 | |
392 | case EIO_DUP2: |
539 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ |
393 | if (req->result > 0) |
540 | if (req->result > 0) |
394 | req->result = 0; |
541 | SvIV_set (sv_result, 0); |
395 | /* FALLTHROUGH */ |
542 | /* FALLTHROUGH */ |
396 | |
543 | |
397 | default: |
544 | default: |
398 | PUSHs (sv_2mortal (newSViv (req->result))); |
545 | PUSHs (sv_result); |
399 | break; |
546 | break; |
400 | } |
547 | } |
401 | |
548 | |
402 | errno = req->errorno; |
549 | errno = req->errorno; |
403 | |
550 | |
404 | PUTBACK; |
551 | PUTBACK; |
405 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
552 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
406 | SPAGAIN; |
553 | SPAGAIN; |
|
|
554 | |
|
|
555 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
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556 | SvREFCNT_dec (sv_result); |
|
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557 | else |
|
|
558 | sv_result_cache = sv_result; |
407 | |
559 | |
408 | FREETMPS; |
560 | FREETMPS; |
409 | LEAVE; |
561 | LEAVE; |
410 | |
562 | |
411 | PUTBACK; |
563 | PUTBACK; |
… | |
… | |
444 | |
596 | |
445 | static void |
597 | static void |
446 | create_respipe (void) |
598 | create_respipe (void) |
447 | { |
599 | { |
448 | if (s_epipe_renew (&respipe)) |
600 | if (s_epipe_renew (&respipe)) |
449 | croak ("unable to initialize result pipe"); |
601 | croak ("IO::AIO: unable to initialize result pipe"); |
450 | |
|
|
451 | respipe_osf [0] = S_TO_SOCKET (respipe.fd [0]); |
|
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452 | respipe_osf [1] = S_TO_SOCKET (respipe.fd [1]); |
|
|
453 | } |
602 | } |
454 | |
603 | |
455 | static void poll_wait (void) |
604 | static void poll_wait (void) |
456 | { |
605 | { |
457 | while (eio_nreqs ()) |
606 | while (eio_nreqs ()) |
… | |
… | |
489 | |
638 | |
490 | static void atfork_child (void) |
639 | static void atfork_child (void) |
491 | { |
640 | { |
492 | create_respipe (); |
641 | create_respipe (); |
493 | } |
642 | } |
|
|
643 | |
|
|
644 | /*****************************************************************************/ |
|
|
645 | |
|
|
646 | #if !_POSIX_MAPPED_FILES |
|
|
647 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
|
|
648 | # define munmap(addr,length) (errno = ENOSYS, -1) |
|
|
649 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
|
|
650 | #endif |
|
|
651 | |
|
|
652 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
653 | |
|
|
654 | static int |
|
|
655 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
656 | { |
|
|
657 | int old_errno = errno; |
|
|
658 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
659 | errno = old_errno; |
|
|
660 | |
|
|
661 | mg->mg_obj = 0; /* just in case */ |
|
|
662 | |
|
|
663 | SvREADONLY_off (sv); |
|
|
664 | |
|
|
665 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
666 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
667 | |
|
|
668 | SvCUR_set (sv, 0); |
|
|
669 | SvPVX (sv) = 0; |
|
|
670 | SvOK_off (sv); |
|
|
671 | |
|
|
672 | return 0; |
|
|
673 | } |
|
|
674 | |
|
|
675 | static MGVTBL mmap_vtbl = { |
|
|
676 | 0, 0, 0, 0, mmap_free |
|
|
677 | }; |
|
|
678 | |
|
|
679 | /*****************************************************************************/ |
494 | |
680 | |
495 | static SV * |
681 | static SV * |
496 | get_cb (SV *cb_sv) |
682 | get_cb (SV *cb_sv) |
497 | { |
683 | { |
498 | SvGETMAGIC (cb_sv); |
684 | SvGETMAGIC (cb_sv); |
… | |
… | |
518 | PUTBACK; \ |
704 | PUTBACK; \ |
519 | req_submit (req); \ |
705 | req_submit (req); \ |
520 | SPAGAIN; \ |
706 | SPAGAIN; \ |
521 | \ |
707 | \ |
522 | if (GIMME_V != G_VOID) \ |
708 | if (GIMME_V != G_VOID) \ |
523 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
709 | XPUSHs (req_sv (req, aio_req_stash)); |
524 | |
710 | |
525 | MODULE = IO::AIO PACKAGE = IO::AIO |
711 | MODULE = IO::AIO PACKAGE = IO::AIO |
526 | |
712 | |
527 | PROTOTYPES: ENABLE |
713 | PROTOTYPES: ENABLE |
528 | |
714 | |
… | |
… | |
530 | { |
716 | { |
531 | static const struct { |
717 | static const struct { |
532 | const char *name; |
718 | const char *name; |
533 | IV iv; |
719 | IV iv; |
534 | } *civ, const_iv[] = { |
720 | } *civ, const_iv[] = { |
535 | # define const_iv(name, value) { # name, (IV) value }, |
721 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
722 | # define const_iv(name) { # name, (IV) name }, |
536 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
723 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
537 | const_iv (EXDEV , EXDEV) |
724 | const_iv (EXDEV) |
538 | const_iv (ENOSYS , ENOSYS) |
725 | const_iv (ENOSYS) |
539 | const_iv (O_RDONLY, O_RDONLY) |
726 | const_iv (O_RDONLY) |
540 | const_iv (O_WRONLY, O_WRONLY) |
727 | const_iv (O_WRONLY) |
|
|
728 | const_iv (O_RDWR) |
541 | const_iv (O_CREAT , O_CREAT) |
729 | const_iv (O_CREAT) |
542 | const_iv (O_TRUNC , O_TRUNC) |
730 | const_iv (O_TRUNC) |
|
|
731 | const_iv (O_EXCL) |
|
|
732 | const_iv (O_APPEND) |
543 | #ifndef _WIN32 |
733 | #ifndef _WIN32 |
544 | const_iv (S_IFIFO , S_IFIFO) |
734 | const_iv (S_IFIFO) |
545 | #endif |
735 | #endif |
546 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
736 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
547 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
737 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
548 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
738 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
549 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
739 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
550 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
740 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
551 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
741 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
742 | |
|
|
743 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
744 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
745 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
746 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
747 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
748 | |
|
|
749 | const_iv (ST_RDONLY) |
|
|
750 | const_iv (ST_NOSUID) |
|
|
751 | const_iv (ST_NODEV) |
|
|
752 | const_iv (ST_NOEXEC) |
|
|
753 | const_iv (ST_SYNCHRONOUS) |
|
|
754 | const_iv (ST_MANDLOCK) |
|
|
755 | const_iv (ST_WRITE) |
|
|
756 | const_iv (ST_APPEND) |
|
|
757 | const_iv (ST_IMMUTABLE) |
|
|
758 | const_iv (ST_NOATIME) |
|
|
759 | const_iv (ST_NODIRATIME) |
|
|
760 | const_iv (ST_RELATIME) |
|
|
761 | |
|
|
762 | const_iv (PROT_NONE) |
|
|
763 | const_iv (PROT_EXEC) |
|
|
764 | const_iv (PROT_READ) |
|
|
765 | const_iv (PROT_WRITE) |
|
|
766 | |
|
|
767 | /*const_iv (MAP_FIXED)*/ |
|
|
768 | const_iv (MAP_PRIVATE) |
|
|
769 | const_iv (MAP_SHARED) |
|
|
770 | const_iv (MAP_ANONYMOUS) |
|
|
771 | |
|
|
772 | /* linuxish */ |
|
|
773 | const_iv (MAP_HUGETLB) |
|
|
774 | const_iv (MAP_LOCKED) |
|
|
775 | const_iv (MAP_NORESERVE) |
|
|
776 | const_iv (MAP_POPULATE) |
|
|
777 | const_iv (MAP_NONBLOCK) |
|
|
778 | |
|
|
779 | const_iv (MCL_FUTURE) |
|
|
780 | const_iv (MCL_CURRENT) |
|
|
781 | |
|
|
782 | const_eio (MS_ASYNC) |
|
|
783 | const_eio (MS_INVALIDATE) |
|
|
784 | const_eio (MS_SYNC) |
|
|
785 | |
|
|
786 | const_eio (MT_MODIFY) |
552 | |
787 | |
553 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
788 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
554 | const_eio (SYNC_FILE_RANGE_WRITE) |
789 | const_eio (SYNC_FILE_RANGE_WRITE) |
555 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
790 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
556 | |
791 | |
… | |
… | |
568 | const_eio (DT_LNK) |
803 | const_eio (DT_LNK) |
569 | const_eio (DT_SOCK) |
804 | const_eio (DT_SOCK) |
570 | const_eio (DT_WHT) |
805 | const_eio (DT_WHT) |
571 | }; |
806 | }; |
572 | |
807 | |
573 | stash = gv_stashpv ("IO::AIO", 1); |
808 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
809 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
810 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
574 | |
811 | |
575 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
812 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
576 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
813 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
814 | |
|
|
815 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
577 | |
816 | |
578 | create_respipe (); |
817 | create_respipe (); |
579 | |
818 | |
580 | if (eio_init (want_poll, done_poll) < 0) |
819 | if (eio_init (want_poll, done_poll) < 0) |
581 | croak ("IO::AIO: unable to initialise eio library"); |
820 | croak ("IO::AIO: unable to initialise eio library"); |
… | |
… | |
808 | } |
1047 | } |
809 | |
1048 | |
810 | void |
1049 | void |
811 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1050 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
812 | ALIAS: |
1051 | ALIAS: |
813 | aio_stat = EIO_STAT |
1052 | aio_stat = EIO_STAT |
814 | aio_lstat = EIO_LSTAT |
1053 | aio_lstat = EIO_LSTAT |
|
|
1054 | aio_statvfs = EIO_STATVFS |
815 | PPCODE: |
1055 | PPCODE: |
816 | { |
1056 | { |
817 | dREQ; |
1057 | dREQ; |
818 | |
1058 | |
819 | req->sv1 = newSVsv (fh_or_path); |
1059 | req->sv1 = newSVsv (fh_or_path); |
… | |
… | |
823 | req->type = ix; |
1063 | req->type = ix; |
824 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1064 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
825 | } |
1065 | } |
826 | else |
1066 | else |
827 | { |
1067 | { |
828 | req->type = EIO_FSTAT; |
1068 | req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
829 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1069 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
830 | } |
1070 | } |
831 | |
1071 | |
832 | REQ_SEND; |
1072 | REQ_SEND; |
833 | } |
1073 | } |
… | |
… | |
996 | |
1236 | |
997 | REQ_SEND; |
1237 | REQ_SEND; |
998 | } |
1238 | } |
999 | |
1239 | |
1000 | void |
1240 | void |
|
|
1241 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1242 | ALIAS: |
|
|
1243 | aio_mtouch = EIO_MTOUCH |
|
|
1244 | aio_msync = EIO_MSYNC |
|
|
1245 | PROTOTYPE: $$$$;$ |
|
|
1246 | PPCODE: |
|
|
1247 | { |
|
|
1248 | STRLEN svlen; |
|
|
1249 | UV len = SvUV (length); |
|
|
1250 | char *svptr = SvPVbyte (data, svlen); |
|
|
1251 | |
|
|
1252 | if (offset < 0) |
|
|
1253 | offset += svlen; |
|
|
1254 | |
|
|
1255 | if (offset < 0 || offset > svlen) |
|
|
1256 | croak ("offset outside of scalar"); |
|
|
1257 | |
|
|
1258 | if (!SvOK (length) || len + offset > svlen) |
|
|
1259 | len = svlen - offset; |
|
|
1260 | |
|
|
1261 | { |
|
|
1262 | dREQ; |
|
|
1263 | |
|
|
1264 | req->type = ix; |
|
|
1265 | req->size = len; |
|
|
1266 | req->sv2 = SvREFCNT_inc (data); |
|
|
1267 | req->ptr2 = (char *)svptr + offset; |
|
|
1268 | req->int1 = flags; |
|
|
1269 | |
|
|
1270 | REQ_SEND; |
|
|
1271 | } |
|
|
1272 | } |
|
|
1273 | |
|
|
1274 | void |
1001 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1275 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1002 | PPCODE: |
1276 | PPCODE: |
1003 | { |
1277 | { |
1004 | dREQ; |
1278 | dREQ; |
1005 | |
1279 | |
… | |
… | |
1017 | dREQ; |
1291 | dREQ; |
1018 | |
1292 | |
1019 | req->type = EIO_GROUP; |
1293 | req->type = EIO_GROUP; |
1020 | |
1294 | |
1021 | req_submit (req); |
1295 | req_submit (req); |
1022 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1296 | XPUSHs (req_sv (req, aio_grp_stash)); |
1023 | } |
1297 | } |
1024 | |
1298 | |
1025 | void |
1299 | void |
1026 | aio_nop (SV *callback=&PL_sv_undef) |
1300 | aio_nop (SV *callback=&PL_sv_undef) |
1027 | ALIAS: |
1301 | ALIAS: |
… | |
… | |
1133 | |
1407 | |
1134 | int |
1408 | int |
1135 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1409 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1136 | PROTOTYPE: $$$$ |
1410 | PROTOTYPE: $$$$ |
1137 | CODE: |
1411 | CODE: |
1138 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
|
|
1139 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1412 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1140 | #else |
|
|
1141 | RETVAL = errno = ENOSYS; |
|
|
1142 | #endif |
|
|
1143 | OUTPUT: |
1413 | OUTPUT: |
1144 | RETVAL |
1414 | RETVAL |
1145 | |
1415 | |
1146 | ssize_t |
1416 | ssize_t |
1147 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1417 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1148 | PROTOTYPE: $$$$ |
1418 | PROTOTYPE: $$$$ |
1149 | CODE: |
1419 | CODE: |
1150 | eio_sendfile_sync (ofh, ifh, offset, count); |
1420 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1421 | OUTPUT: |
|
|
1422 | RETVAL |
|
|
1423 | |
|
|
1424 | void |
|
|
1425 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1426 | PROTOTYPE: $$$$$;$ |
|
|
1427 | PPCODE: |
|
|
1428 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1429 | { |
|
|
1430 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1431 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1432 | if (addr == (void *)-1) |
|
|
1433 | XSRETURN_NO; |
|
|
1434 | |
|
|
1435 | sv_force_normal (scalar); |
|
|
1436 | |
|
|
1437 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1438 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1439 | ->mg_obj = (SV *)length; |
|
|
1440 | |
|
|
1441 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1442 | |
|
|
1443 | if (!(prot & PROT_WRITE)) |
|
|
1444 | SvREADONLY_on (scalar); |
|
|
1445 | |
|
|
1446 | if (SvLEN (scalar)) |
|
|
1447 | Safefree (SvPVX (scalar)); |
|
|
1448 | |
|
|
1449 | SvPVX (scalar) = (char *)addr; |
|
|
1450 | SvCUR_set (scalar, length); |
|
|
1451 | SvLEN_set (scalar, 0); |
|
|
1452 | SvPOK_only (scalar); |
|
|
1453 | |
|
|
1454 | XSRETURN_YES; |
|
|
1455 | } |
|
|
1456 | |
|
|
1457 | void |
|
|
1458 | munmap (SV *scalar) |
|
|
1459 | PROTOTYPE: $ |
|
|
1460 | CODE: |
|
|
1461 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1462 | |
|
|
1463 | int |
|
|
1464 | madvise (SV *scalar, off_t offset, off_t length, IV advice_or_prot) |
|
|
1465 | ALIAS: |
|
|
1466 | mprotect = 1 |
|
|
1467 | PROTOTYPE: $$$$ |
|
|
1468 | CODE: |
|
|
1469 | { |
|
|
1470 | STRLEN cur; |
|
|
1471 | char *addr = SvPVbyte (scalar, cur); |
|
|
1472 | |
|
|
1473 | if (offset > cur) |
|
|
1474 | RETVAL = errno = EFAULT; |
|
|
1475 | else |
|
|
1476 | { |
|
|
1477 | if (!SvOK (ST (2))) |
|
|
1478 | length = cur - offset; |
|
|
1479 | |
|
|
1480 | if (offset + length > cur) |
|
|
1481 | RETVAL = errno = EFAULT; |
|
|
1482 | else |
|
|
1483 | switch (ix) |
|
|
1484 | { |
|
|
1485 | case 0: RETVAL = posix_madvise (addr + offset, length, advice_or_prot); break; |
|
|
1486 | case 1: RETVAL = mprotect (addr + offset, length, advice_or_prot); break; |
|
|
1487 | } |
|
|
1488 | } |
|
|
1489 | } |
|
|
1490 | OUTPUT: |
|
|
1491 | RETVAL |
|
|
1492 | |
|
|
1493 | int |
|
|
1494 | mlockall (int flags) |
|
|
1495 | PROTOTYPE: $ |
|
|
1496 | CODE: |
|
|
1497 | #if _POSIX_MEMLOCK |
|
|
1498 | #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
|
|
1499 | extern int mallopt (int, int); |
|
|
1500 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
|
|
1501 | #endif |
|
|
1502 | mlockall (flags); |
|
|
1503 | #else |
|
|
1504 | RETVAL = -1; |
|
|
1505 | errno = ENOSYS; |
|
|
1506 | #endif |
|
|
1507 | OUTPUT: |
|
|
1508 | RETVAL |
|
|
1509 | |
|
|
1510 | int |
|
|
1511 | munlockall () |
|
|
1512 | PROTOTYPE: |
|
|
1513 | CODE: |
|
|
1514 | #if _POSIX_MEMLOCK |
|
|
1515 | munlockall (); |
|
|
1516 | #else |
|
|
1517 | RETVAL = -1; |
|
|
1518 | errno = ENOSYS; |
|
|
1519 | #endif |
|
|
1520 | OUTPUT: |
|
|
1521 | RETVAL |
1151 | |
1522 | |
1152 | void _on_next_submit (SV *cb) |
1523 | void _on_next_submit (SV *cb) |
1153 | CODE: |
1524 | CODE: |
1154 | SvREFCNT_dec (on_next_submit); |
1525 | SvREFCNT_dec (on_next_submit); |
1155 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1526 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |