… | |
… | |
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 | #ifndef ST_NODEV |
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146 | # define ST_NODEV 0 |
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147 | #endif |
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148 | #ifndef ST_NOEXEC |
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149 | # define ST_NOEXEC 0 |
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150 | #endif |
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151 | #ifndef ST_SYNCHRONOUS |
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152 | # define ST_SYNCHRONOUS 0 |
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153 | #endif |
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154 | #ifndef ST_MANDLOCK |
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155 | # define ST_MANDLOCK 0 |
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156 | #endif |
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157 | #ifndef ST_WRITE |
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158 | # define ST_WRITE 0 |
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159 | #endif |
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160 | #ifndef ST_APPEND |
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161 | # define ST_APPEND 0 |
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162 | #endif |
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163 | #ifndef ST_IMMUTABLE |
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164 | # define ST_IMMUTABLE 0 |
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165 | #endif |
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166 | #ifndef ST_NOATIME |
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167 | # define ST_NOATIME 0 |
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168 | #endif |
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169 | #ifndef ST_NODIRATIME |
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170 | # define ST_NODIRATIME 0 |
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171 | #endif |
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172 | #ifndef ST_RELATIME |
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173 | # define ST_RELATIME 0 |
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174 | #endif |
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175 | |
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176 | #ifndef MCL_CURRENT |
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177 | # define MCL_CURRENT 0 |
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178 | #endif |
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179 | #ifndef MCL_FUTURE |
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180 | # define MCL_FUTURE 0 |
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181 | #endif |
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182 | |
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183 | #ifndef MAP_ANONYMOUS |
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184 | # ifdef MAP_ANON |
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185 | # define MAP_ANONYMOUS MAP_ANON |
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186 | # else |
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187 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
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188 | # endif |
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189 | #endif |
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190 | #ifndef MAP_HUGETLB |
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191 | # define MAP_HUGETLB 0 |
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192 | #endif |
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193 | #ifndef MAP_LOCKED |
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194 | # define MAP_LOCKED 0 |
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195 | #endif |
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196 | #ifndef MAP_NORESERVE |
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197 | # define MAP_NORESERVE 0 |
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198 | #endif |
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199 | #ifndef MAP_POPULATE |
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200 | # define MAP_POPULATE 0 |
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201 | #endif |
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202 | #ifndef MAP_NONBLOCK |
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203 | # define MAP_NONBLOCK 0 |
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204 | #endif |
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205 | |
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206 | #ifndef PAGESIZE |
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207 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
145 | #endif |
208 | #endif |
146 | |
209 | |
147 | static int req_invoke (eio_req *req); |
210 | static int req_invoke (eio_req *req); |
148 | #define EIO_FINISH(req) req_invoke (req) |
211 | #define EIO_FINISH(req) req_invoke (req) |
149 | static void req_destroy (eio_req *grp); |
212 | static void req_destroy (eio_req *grp); |
… | |
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160 | |
223 | |
161 | static SV *on_next_submit; |
224 | static SV *on_next_submit; |
162 | static int next_pri = EIO_PRI_DEFAULT; |
225 | static int next_pri = EIO_PRI_DEFAULT; |
163 | static int max_outstanding; |
226 | static int max_outstanding; |
164 | |
227 | |
165 | static int respipe_osf [2]; |
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166 | static s_epipe respipe; |
228 | static s_epipe respipe; |
167 | |
229 | |
168 | static void req_destroy (aio_req req); |
230 | static void req_destroy (aio_req req); |
169 | static void req_cancel (aio_req req); |
231 | static void req_cancel (aio_req req); |
170 | |
232 | |
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179 | /* read any signals sent by the worker threads */ |
241 | /* read any signals sent by the worker threads */ |
180 | s_epipe_drain (&respipe); |
242 | s_epipe_drain (&respipe); |
181 | } |
243 | } |
182 | |
244 | |
183 | /* must be called at most once */ |
245 | /* must be called at most once */ |
184 | static SV *req_sv (aio_req req, const char *klass) |
246 | static SV *req_sv (aio_req req, HV *stash) |
185 | { |
247 | { |
186 | if (!req->self) |
248 | if (!req->self) |
187 | { |
249 | { |
188 | req->self = (SV *)newHV (); |
250 | req->self = (SV *)newHV (); |
189 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
251 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
190 | } |
252 | } |
191 | |
253 | |
192 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
254 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
193 | } |
255 | } |
194 | |
256 | |
195 | static aio_req SvAIO_REQ (SV *sv) |
257 | static aio_req SvAIO_REQ (SV *sv) |
196 | { |
258 | { |
197 | MAGIC *mg; |
259 | MAGIC *mg; |
198 | |
260 | |
199 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
261 | if (!SvROK (sv) |
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262 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
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263 | && SvSTASH (SvRV (sv)) != aio_req_stash |
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264 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
200 | croak ("object of class " AIO_REQ_KLASS " expected"); |
265 | croak ("object of class IO::AIO::REQ expected"); |
201 | |
266 | |
202 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
267 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
203 | |
268 | |
204 | return mg ? (aio_req)mg->mg_ptr : 0; |
269 | return mg ? (aio_req)mg->mg_ptr : 0; |
205 | } |
270 | } |
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211 | dSP; |
276 | dSP; |
212 | |
277 | |
213 | ENTER; |
278 | ENTER; |
214 | SAVETMPS; |
279 | SAVETMPS; |
215 | PUSHMARK (SP); |
280 | PUSHMARK (SP); |
216 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
281 | XPUSHs (req_sv (grp, aio_grp_stash)); |
217 | PUTBACK; |
282 | PUTBACK; |
218 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
283 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
219 | SPAGAIN; |
284 | SPAGAIN; |
220 | FREETMPS; |
285 | FREETMPS; |
221 | LEAVE; |
286 | LEAVE; |
… | |
… | |
246 | if (req->flags & FLAG_SV2_RO_OFF) |
311 | if (req->flags & FLAG_SV2_RO_OFF) |
247 | SvREADONLY_off (req->sv2); |
312 | SvREADONLY_off (req->sv2); |
248 | |
313 | |
249 | if (!EIO_CANCELLED (req) && req->callback) |
314 | if (!EIO_CANCELLED (req) && req->callback) |
250 | { |
315 | { |
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316 | static SV *sv_result_cache; /* caches the result integer SV */ |
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317 | SV *sv_result; |
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318 | |
251 | ENTER; |
319 | ENTER; |
252 | SAVETMPS; |
320 | SAVETMPS; |
253 | PUSHMARK (SP); |
321 | PUSHMARK (SP); |
254 | EXTEND (SP, 1); |
322 | EXTEND (SP, 1); |
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323 | |
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324 | /* do not recreate the result IV from scratch each time */ |
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325 | if (expect_true (sv_result_cache)) |
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326 | { |
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327 | sv_result = sv_result_cache; sv_result_cache = 0; |
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328 | SvIV_set (sv_result, req->result); |
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329 | } |
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330 | else |
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331 | { |
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332 | sv_result = newSViv (req->result); |
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333 | SvREADONLY_on (sv_result); |
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334 | } |
255 | |
335 | |
256 | switch (req->type) |
336 | switch (req->type) |
257 | { |
337 | { |
258 | case EIO_READDIR: |
338 | case EIO_READDIR: |
259 | { |
339 | { |
… | |
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327 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
407 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
328 | char sym [64]; |
408 | char sym [64]; |
329 | int symlen; |
409 | int symlen; |
330 | |
410 | |
331 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
411 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
332 | gv_init (gv, stash, sym, symlen, 0); |
412 | gv_init (gv, aio_stash, sym, symlen, 0); |
333 | |
413 | |
334 | symlen = snprintf ( |
414 | symlen = snprintf ( |
335 | sym, |
415 | sym, |
336 | sizeof (sym), |
416 | sizeof (sym), |
337 | "%s&=%d", |
417 | "%s&=%d", |
… | |
… | |
345 | |
425 | |
346 | PUSHs (fh); |
426 | PUSHs (fh); |
347 | } |
427 | } |
348 | break; |
428 | break; |
349 | |
429 | |
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430 | case EIO_STATVFS: |
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431 | case EIO_FSTATVFS: |
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432 | { |
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433 | SV *rv = &PL_sv_undef; |
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434 | |
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435 | if (req->result >= 0) |
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436 | { |
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437 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
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438 | HV *hv = newHV (); |
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439 | |
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440 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
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441 | |
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442 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
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443 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
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444 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
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445 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
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446 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
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447 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
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448 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
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449 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
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450 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
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451 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
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452 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
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453 | } |
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454 | |
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455 | PUSHs (rv); |
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456 | } |
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457 | |
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458 | break; |
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459 | |
350 | case EIO_GROUP: |
460 | case EIO_GROUP: |
351 | req->int1 = 2; /* mark group as finished */ |
461 | req->int1 = 2; /* mark group as finished */ |
352 | |
462 | |
353 | if (req->sv1) |
463 | if (req->sv1) |
354 | { |
464 | { |
… | |
… | |
374 | case EIO_LSTAT: |
484 | case EIO_LSTAT: |
375 | case EIO_FSTAT: |
485 | case EIO_FSTAT: |
376 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
486 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
377 | PL_laststatval = req->result; |
487 | PL_laststatval = req->result; |
378 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
488 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
379 | PUSHs (sv_2mortal (newSViv (req->result))); |
489 | PUSHs (sv_result); |
380 | break; |
490 | break; |
381 | |
491 | |
382 | case EIO_READ: |
492 | case EIO_READ: |
383 | { |
493 | { |
384 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
494 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
385 | *SvEND (req->sv2) = 0; |
495 | *SvEND (req->sv2) = 0; |
386 | SvPOK_only (req->sv2); |
496 | SvPOK_only (req->sv2); |
387 | SvSETMAGIC (req->sv2); |
497 | SvSETMAGIC (req->sv2); |
388 | PUSHs (sv_2mortal (newSViv (req->result))); |
498 | PUSHs (sv_result); |
389 | } |
499 | } |
390 | break; |
500 | break; |
391 | |
501 | |
392 | case EIO_DUP2: |
502 | case EIO_DUP2: |
393 | if (req->result > 0) |
503 | if (req->result > 0) |
394 | req->result = 0; |
504 | SvIV_set (sv_result, 0); |
395 | /* FALLTHROUGH */ |
505 | /* FALLTHROUGH */ |
396 | |
506 | |
397 | default: |
507 | default: |
398 | PUSHs (sv_2mortal (newSViv (req->result))); |
508 | PUSHs (sv_result); |
399 | break; |
509 | break; |
400 | } |
510 | } |
401 | |
511 | |
402 | errno = req->errorno; |
512 | errno = req->errorno; |
403 | |
513 | |
404 | PUTBACK; |
514 | PUTBACK; |
405 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
515 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
406 | SPAGAIN; |
516 | SPAGAIN; |
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517 | |
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518 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
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519 | SvREFCNT_dec (sv_result); |
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520 | else |
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521 | sv_result_cache = sv_result; |
407 | |
522 | |
408 | FREETMPS; |
523 | FREETMPS; |
409 | LEAVE; |
524 | LEAVE; |
410 | |
525 | |
411 | PUTBACK; |
526 | PUTBACK; |
… | |
… | |
444 | |
559 | |
445 | static void |
560 | static void |
446 | create_respipe (void) |
561 | create_respipe (void) |
447 | { |
562 | { |
448 | if (s_epipe_renew (&respipe)) |
563 | if (s_epipe_renew (&respipe)) |
449 | croak ("unable to initialize result pipe"); |
564 | 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 | } |
565 | } |
454 | |
566 | |
455 | static void poll_wait (void) |
567 | static void poll_wait (void) |
456 | { |
568 | { |
457 | while (eio_nreqs ()) |
569 | while (eio_nreqs ()) |
… | |
… | |
489 | |
601 | |
490 | static void atfork_child (void) |
602 | static void atfork_child (void) |
491 | { |
603 | { |
492 | create_respipe (); |
604 | create_respipe (); |
493 | } |
605 | } |
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606 | |
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607 | /*****************************************************************************/ |
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608 | |
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609 | #if !_POSIX_MAPPED_FILES |
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610 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
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611 | # define munmap(addr,length) (errno = ENOSYS, -1) |
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612 | #endif |
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613 | |
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614 | #define MMAP_MAGIC PERL_MAGIC_ext |
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615 | |
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616 | static int |
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617 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
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618 | { |
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619 | int old_errno = errno; |
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620 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
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621 | errno = old_errno; |
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622 | |
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623 | mg->mg_obj = 0; /* just in case */ |
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624 | |
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625 | SvREADONLY_off (sv); |
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626 | SvCUR_set (sv, 0); |
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627 | SvLEN_set (sv, 0); |
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628 | SvPVX (sv) = 0; |
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629 | SvOK_off (sv); |
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630 | |
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631 | return 0; |
|
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632 | } |
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633 | |
|
|
634 | static MGVTBL mmap_vtbl = { |
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635 | 0, 0, 0, 0, mmap_free |
|
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636 | }; |
|
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637 | |
|
|
638 | /*****************************************************************************/ |
494 | |
639 | |
495 | static SV * |
640 | static SV * |
496 | get_cb (SV *cb_sv) |
641 | get_cb (SV *cb_sv) |
497 | { |
642 | { |
498 | SvGETMAGIC (cb_sv); |
643 | SvGETMAGIC (cb_sv); |
… | |
… | |
518 | PUTBACK; \ |
663 | PUTBACK; \ |
519 | req_submit (req); \ |
664 | req_submit (req); \ |
520 | SPAGAIN; \ |
665 | SPAGAIN; \ |
521 | \ |
666 | \ |
522 | if (GIMME_V != G_VOID) \ |
667 | if (GIMME_V != G_VOID) \ |
523 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
668 | XPUSHs (req_sv (req, aio_req_stash)); |
524 | |
669 | |
525 | MODULE = IO::AIO PACKAGE = IO::AIO |
670 | MODULE = IO::AIO PACKAGE = IO::AIO |
526 | |
671 | |
527 | PROTOTYPES: ENABLE |
672 | PROTOTYPES: ENABLE |
528 | |
673 | |
… | |
… | |
530 | { |
675 | { |
531 | static const struct { |
676 | static const struct { |
532 | const char *name; |
677 | const char *name; |
533 | IV iv; |
678 | IV iv; |
534 | } *civ, const_iv[] = { |
679 | } *civ, const_iv[] = { |
535 | # define const_iv(name, value) { # name, (IV) value }, |
680 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
681 | # define const_iv(name) { # name, (IV) name }, |
536 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
682 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
537 | const_iv (EXDEV , EXDEV) |
683 | const_iv (EXDEV) |
538 | const_iv (ENOSYS , ENOSYS) |
684 | const_iv (ENOSYS) |
539 | const_iv (O_RDONLY, O_RDONLY) |
685 | const_iv (O_RDONLY) |
540 | const_iv (O_WRONLY, O_WRONLY) |
686 | const_iv (O_WRONLY) |
|
|
687 | const_iv (O_RDWR) |
541 | const_iv (O_CREAT , O_CREAT) |
688 | const_iv (O_CREAT) |
542 | const_iv (O_TRUNC , O_TRUNC) |
689 | const_iv (O_TRUNC) |
|
|
690 | const_iv (O_EXCL) |
|
|
691 | const_iv (O_APPEND) |
543 | #ifndef _WIN32 |
692 | #ifndef _WIN32 |
544 | const_iv (S_IFIFO , S_IFIFO) |
693 | const_iv (S_IFIFO) |
545 | #endif |
694 | #endif |
546 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
695 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
547 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
696 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
548 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
697 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
549 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
698 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
550 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
699 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
551 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
700 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
701 | |
|
|
702 | const_iv (ST_RDONLY) |
|
|
703 | const_iv (ST_NOSUID) |
|
|
704 | const_iv (ST_NODEV) |
|
|
705 | const_iv (ST_NOEXEC) |
|
|
706 | const_iv (ST_SYNCHRONOUS) |
|
|
707 | const_iv (ST_MANDLOCK) |
|
|
708 | const_iv (ST_WRITE) |
|
|
709 | const_iv (ST_APPEND) |
|
|
710 | const_iv (ST_IMMUTABLE) |
|
|
711 | const_iv (ST_NOATIME) |
|
|
712 | const_iv (ST_NODIRATIME) |
|
|
713 | const_iv (ST_RELATIME) |
|
|
714 | |
|
|
715 | const_iv (PROT_EXEC) |
|
|
716 | const_iv (PROT_NONE) |
|
|
717 | const_iv (PROT_READ) |
|
|
718 | const_iv (PROT_WRITE) |
|
|
719 | |
|
|
720 | /*const_iv (MAP_FIXED)*/ |
|
|
721 | const_iv (MAP_PRIVATE) |
|
|
722 | const_iv (MAP_SHARED) |
|
|
723 | const_iv (MAP_ANONYMOUS) |
|
|
724 | |
|
|
725 | /* linuxish */ |
|
|
726 | const_iv (MAP_HUGETLB) |
|
|
727 | const_iv (MAP_LOCKED) |
|
|
728 | const_iv (MAP_NORESERVE) |
|
|
729 | const_iv (MAP_POPULATE) |
|
|
730 | const_iv (MAP_NONBLOCK) |
|
|
731 | |
|
|
732 | const_iv (MCL_FUTURE) |
|
|
733 | const_iv (MCL_CURRENT) |
|
|
734 | |
|
|
735 | const_eio (MS_ASYNC) |
|
|
736 | const_eio (MS_INVALIDATE) |
|
|
737 | const_eio (MS_SYNC) |
|
|
738 | |
|
|
739 | const_eio (MT_MODIFY) |
552 | |
740 | |
553 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
741 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
554 | const_eio (SYNC_FILE_RANGE_WRITE) |
742 | const_eio (SYNC_FILE_RANGE_WRITE) |
555 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
743 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
556 | |
744 | |
… | |
… | |
568 | const_eio (DT_LNK) |
756 | const_eio (DT_LNK) |
569 | const_eio (DT_SOCK) |
757 | const_eio (DT_SOCK) |
570 | const_eio (DT_WHT) |
758 | const_eio (DT_WHT) |
571 | }; |
759 | }; |
572 | |
760 | |
573 | stash = gv_stashpv ("IO::AIO", 1); |
761 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
762 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
763 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
574 | |
764 | |
575 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
765 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
576 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
766 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
767 | |
|
|
768 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
577 | |
769 | |
578 | create_respipe (); |
770 | create_respipe (); |
579 | |
771 | |
580 | if (eio_init (want_poll, done_poll) < 0) |
772 | if (eio_init (want_poll, done_poll) < 0) |
581 | croak ("IO::AIO: unable to initialise eio library"); |
773 | croak ("IO::AIO: unable to initialise eio library"); |
… | |
… | |
808 | } |
1000 | } |
809 | |
1001 | |
810 | void |
1002 | void |
811 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1003 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
812 | ALIAS: |
1004 | ALIAS: |
813 | aio_stat = EIO_STAT |
1005 | aio_stat = EIO_STAT |
814 | aio_lstat = EIO_LSTAT |
1006 | aio_lstat = EIO_LSTAT |
|
|
1007 | aio_statvfs = EIO_STATVFS |
815 | PPCODE: |
1008 | PPCODE: |
816 | { |
1009 | { |
817 | dREQ; |
1010 | dREQ; |
818 | |
1011 | |
819 | req->sv1 = newSVsv (fh_or_path); |
1012 | req->sv1 = newSVsv (fh_or_path); |
… | |
… | |
823 | req->type = ix; |
1016 | req->type = ix; |
824 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1017 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
825 | } |
1018 | } |
826 | else |
1019 | else |
827 | { |
1020 | { |
828 | req->type = EIO_FSTAT; |
1021 | req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
829 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1022 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
830 | } |
1023 | } |
831 | |
1024 | |
832 | REQ_SEND; |
1025 | REQ_SEND; |
833 | } |
1026 | } |
… | |
… | |
996 | |
1189 | |
997 | REQ_SEND; |
1190 | REQ_SEND; |
998 | } |
1191 | } |
999 | |
1192 | |
1000 | void |
1193 | void |
|
|
1194 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1195 | ALIAS: |
|
|
1196 | aio_mtouch = EIO_MTOUCH |
|
|
1197 | aio_msync = EIO_MSYNC |
|
|
1198 | PROTOTYPE: $$$$;$ |
|
|
1199 | PPCODE: |
|
|
1200 | { |
|
|
1201 | STRLEN svlen; |
|
|
1202 | UV len = SvUV (length); |
|
|
1203 | char *svptr = SvPVbyte (data, svlen); |
|
|
1204 | |
|
|
1205 | if (offset < 0) |
|
|
1206 | offset += svlen; |
|
|
1207 | |
|
|
1208 | if (offset < 0 || offset > svlen) |
|
|
1209 | croak ("offset outside of scalar"); |
|
|
1210 | |
|
|
1211 | if (!SvOK (length) || len + offset > svlen) |
|
|
1212 | len = svlen - offset; |
|
|
1213 | |
|
|
1214 | { |
|
|
1215 | dREQ; |
|
|
1216 | |
|
|
1217 | req->type = ix; |
|
|
1218 | req->size = len; |
|
|
1219 | req->sv2 = SvREFCNT_inc (data); |
|
|
1220 | req->ptr2 = (char *)svptr + offset; |
|
|
1221 | req->int1 = flags; |
|
|
1222 | |
|
|
1223 | REQ_SEND; |
|
|
1224 | } |
|
|
1225 | } |
|
|
1226 | |
|
|
1227 | void |
1001 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1228 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1002 | PPCODE: |
1229 | PPCODE: |
1003 | { |
1230 | { |
1004 | dREQ; |
1231 | dREQ; |
1005 | |
1232 | |
… | |
… | |
1017 | dREQ; |
1244 | dREQ; |
1018 | |
1245 | |
1019 | req->type = EIO_GROUP; |
1246 | req->type = EIO_GROUP; |
1020 | |
1247 | |
1021 | req_submit (req); |
1248 | req_submit (req); |
1022 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1249 | XPUSHs (req_sv (req, aio_grp_stash)); |
1023 | } |
1250 | } |
1024 | |
1251 | |
1025 | void |
1252 | void |
1026 | aio_nop (SV *callback=&PL_sv_undef) |
1253 | aio_nop (SV *callback=&PL_sv_undef) |
1027 | ALIAS: |
1254 | ALIAS: |
… | |
… | |
1136 | PROTOTYPE: $$$$ |
1363 | PROTOTYPE: $$$$ |
1137 | CODE: |
1364 | CODE: |
1138 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
1365 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
1139 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1366 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1140 | #else |
1367 | #else |
1141 | RETVAL = errno = ENOSYS; |
1368 | RETVAL = errno = ENOSYS; /* yes, this is actually correct */ |
1142 | #endif |
1369 | #endif |
1143 | OUTPUT: |
1370 | OUTPUT: |
1144 | RETVAL |
1371 | RETVAL |
1145 | |
1372 | |
1146 | ssize_t |
1373 | ssize_t |
1147 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1374 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1148 | PROTOTYPE: $$$$ |
1375 | PROTOTYPE: $$$$ |
1149 | CODE: |
1376 | CODE: |
1150 | eio_sendfile_sync (ofh, ifh, offset, count); |
1377 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1378 | OUTPUT: |
|
|
1379 | RETVAL |
|
|
1380 | |
|
|
1381 | void |
|
|
1382 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1383 | PROTOTYPE: $$$$$;$ |
|
|
1384 | PPCODE: |
|
|
1385 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1386 | { |
|
|
1387 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1388 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1389 | if (addr == (void *)-1) |
|
|
1390 | XSRETURN_NO; |
|
|
1391 | |
|
|
1392 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1393 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1394 | ->mg_obj = (SV *)length; |
|
|
1395 | |
|
|
1396 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1397 | if (!(prot & PROT_WRITE)) |
|
|
1398 | SvREADONLY_on (scalar); |
|
|
1399 | |
|
|
1400 | SvPVX (scalar) = (char *)addr; |
|
|
1401 | SvCUR_set (scalar, length); |
|
|
1402 | SvLEN_set (scalar, 0); |
|
|
1403 | SvPOK_only (scalar); |
|
|
1404 | |
|
|
1405 | XSRETURN_YES; |
|
|
1406 | } |
|
|
1407 | |
|
|
1408 | void |
|
|
1409 | munmap (SV *scalar) |
|
|
1410 | PROTOTYPE: $ |
|
|
1411 | CODE: |
|
|
1412 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1413 | |
|
|
1414 | int |
|
|
1415 | mlockall (int flags) |
|
|
1416 | PROTOTYPE: $ |
|
|
1417 | CODE: |
|
|
1418 | #if _POSIX_MEMLOCK |
|
|
1419 | #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
|
|
1420 | extern int mallopt (int, int); |
|
|
1421 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
|
|
1422 | #endif |
|
|
1423 | mlockall (flags); |
|
|
1424 | #else |
|
|
1425 | RETVAL = -1; |
|
|
1426 | errno = ENOSYS; |
|
|
1427 | #endif |
|
|
1428 | OUTPUT: |
|
|
1429 | RETVAL |
|
|
1430 | |
|
|
1431 | int |
|
|
1432 | munlockall () |
|
|
1433 | PROTOTYPE: |
|
|
1434 | CODE: |
|
|
1435 | #if _POSIX_MEMLOCK |
|
|
1436 | munlockall (); |
|
|
1437 | #else |
|
|
1438 | RETVAL = -1; |
|
|
1439 | errno = ENOSYS; |
|
|
1440 | #endif |
|
|
1441 | OUTPUT: |
|
|
1442 | RETVAL |
1151 | |
1443 | |
1152 | void _on_next_submit (SV *cb) |
1444 | void _on_next_submit (SV *cb) |
1153 | CODE: |
1445 | CODE: |
1154 | SvREFCNT_dec (on_next_submit); |
1446 | SvREFCNT_dec (on_next_submit); |
1155 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1447 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |