… | |
… | |
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; \ |
… | |
… | |
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); |
… | |
… | |
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], respipe [2] = { -1, -1 }; |
228 | static s_epipe respipe; |
166 | |
229 | |
167 | static void req_destroy (aio_req req); |
230 | static void req_destroy (aio_req req); |
168 | static void req_cancel (aio_req req); |
231 | static void req_cancel (aio_req req); |
169 | |
232 | |
170 | static void want_poll (void) |
233 | static void want_poll (void) |
171 | { |
234 | { |
172 | /* write a dummy byte to the pipe so fh becomes ready */ |
235 | /* write a dummy byte to the pipe so fh becomes ready */ |
173 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
236 | s_epipe_signal (&respipe); |
174 | } |
237 | } |
175 | |
238 | |
176 | static void done_poll (void) |
239 | static void done_poll (void) |
177 | { |
240 | { |
178 | /* read any signals sent by the worker threads */ |
241 | /* read any signals sent by the worker threads */ |
179 | char buf [4]; |
242 | s_epipe_drain (&respipe); |
180 | while (respipe_read (respipe [0], buf, 4) == 4) |
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181 | ; |
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182 | } |
243 | } |
183 | |
244 | |
184 | /* must be called at most once */ |
245 | /* must be called at most once */ |
185 | static SV *req_sv (aio_req req, const char *klass) |
246 | static SV *req_sv (aio_req req, HV *stash) |
186 | { |
247 | { |
187 | if (!req->self) |
248 | if (!req->self) |
188 | { |
249 | { |
189 | req->self = (SV *)newHV (); |
250 | req->self = (SV *)newHV (); |
190 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
251 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
191 | } |
252 | } |
192 | |
253 | |
193 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
254 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
194 | } |
255 | } |
195 | |
256 | |
196 | static aio_req SvAIO_REQ (SV *sv) |
257 | static aio_req SvAIO_REQ (SV *sv) |
197 | { |
258 | { |
198 | MAGIC *mg; |
259 | MAGIC *mg; |
199 | |
260 | |
200 | 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"))) |
201 | croak ("object of class " AIO_REQ_KLASS " expected"); |
265 | croak ("object of class IO::AIO::REQ expected"); |
202 | |
266 | |
203 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
267 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
204 | |
268 | |
205 | return mg ? (aio_req)mg->mg_ptr : 0; |
269 | return mg ? (aio_req)mg->mg_ptr : 0; |
206 | } |
270 | } |
… | |
… | |
212 | dSP; |
276 | dSP; |
213 | |
277 | |
214 | ENTER; |
278 | ENTER; |
215 | SAVETMPS; |
279 | SAVETMPS; |
216 | PUSHMARK (SP); |
280 | PUSHMARK (SP); |
217 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
281 | XPUSHs (req_sv (grp, aio_grp_stash)); |
218 | PUTBACK; |
282 | PUTBACK; |
219 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
283 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
220 | SPAGAIN; |
284 | SPAGAIN; |
221 | FREETMPS; |
285 | FREETMPS; |
222 | LEAVE; |
286 | LEAVE; |
… | |
… | |
328 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
392 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
329 | char sym [64]; |
393 | char sym [64]; |
330 | int symlen; |
394 | int symlen; |
331 | |
395 | |
332 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
396 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
333 | gv_init (gv, stash, sym, symlen, 0); |
397 | gv_init (gv, aio_stash, sym, symlen, 0); |
334 | |
398 | |
335 | symlen = snprintf ( |
399 | symlen = snprintf ( |
336 | sym, |
400 | sym, |
337 | sizeof (sym), |
401 | sizeof (sym), |
338 | "%s&=%d", |
402 | "%s&=%d", |
… | |
… | |
344 | fh = (SV *)gv; |
408 | fh = (SV *)gv; |
345 | } |
409 | } |
346 | |
410 | |
347 | PUSHs (fh); |
411 | PUSHs (fh); |
348 | } |
412 | } |
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413 | break; |
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414 | |
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415 | case EIO_STATVFS: |
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416 | case EIO_FSTATVFS: |
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417 | { |
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418 | SV *rv = &PL_sv_undef; |
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419 | |
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420 | if (req->result >= 0) |
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421 | { |
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422 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
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423 | HV *hv = newHV (); |
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424 | |
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425 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
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426 | |
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427 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
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428 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
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429 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
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430 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
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431 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
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432 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
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433 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
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434 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
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435 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
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436 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
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437 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
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438 | } |
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439 | |
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440 | PUSHs (rv); |
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441 | } |
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442 | |
349 | break; |
443 | break; |
350 | |
444 | |
351 | case EIO_GROUP: |
445 | case EIO_GROUP: |
352 | req->int1 = 2; /* mark group as finished */ |
446 | req->int1 = 2; /* mark group as finished */ |
353 | |
447 | |
… | |
… | |
441 | grp->sv2 = 0; |
535 | grp->sv2 = 0; |
442 | |
536 | |
443 | eio_grp_cancel (grp); |
537 | eio_grp_cancel (grp); |
444 | } |
538 | } |
445 | |
539 | |
446 | #ifdef USE_SOCKETS_AS_HANDLES |
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447 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
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448 | #else |
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449 | # define TO_SOCKET(x) (x) |
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450 | #endif |
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451 | |
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452 | static void |
540 | static void |
453 | create_respipe (void) |
541 | create_respipe (void) |
454 | { |
542 | { |
455 | int old_readfd = respipe [0]; |
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456 | |
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457 | if (respipe [1] >= 0) |
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458 | respipe_close (TO_SOCKET (respipe [1])); |
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459 | |
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460 | #ifdef _WIN32 |
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461 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
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462 | #else |
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463 | if (pipe (respipe)) |
543 | if (s_epipe_renew (&respipe)) |
464 | #endif |
|
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465 | croak ("unable to initialize result pipe"); |
544 | croak ("IO::AIO: unable to initialize result pipe"); |
466 | |
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467 | if (old_readfd >= 0) |
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468 | { |
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469 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
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470 | croak ("unable to initialize result pipe(2)"); |
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471 | |
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472 | respipe_close (respipe [0]); |
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473 | respipe [0] = old_readfd; |
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474 | } |
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475 | |
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476 | #ifdef _WIN32 |
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477 | int arg = 1; |
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478 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
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479 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
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480 | #else |
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481 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
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482 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
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483 | #endif |
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484 | croak ("unable to initialize result pipe(3)"); |
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485 | |
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486 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
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487 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
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488 | } |
545 | } |
489 | |
546 | |
490 | static void poll_wait (void) |
547 | static void poll_wait (void) |
491 | { |
548 | { |
492 | fd_set rfd; |
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493 | |
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494 | while (eio_nreqs ()) |
549 | while (eio_nreqs ()) |
495 | { |
550 | { |
496 | int size; |
551 | int size; |
497 | |
552 | |
498 | X_LOCK (reslock); |
553 | X_LOCK (reslock); |
… | |
… | |
502 | if (size) |
557 | if (size) |
503 | return; |
558 | return; |
504 | |
559 | |
505 | etp_maybe_start_thread (); |
560 | etp_maybe_start_thread (); |
506 | |
561 | |
507 | FD_ZERO (&rfd); |
562 | s_epipe_wait (&respipe); |
508 | FD_SET (respipe [0], &rfd); |
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509 | |
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510 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
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511 | } |
563 | } |
512 | } |
564 | } |
513 | |
565 | |
514 | static int poll_cb (void) |
566 | static int poll_cb (void) |
515 | { |
567 | { |
… | |
… | |
529 | |
581 | |
530 | static void atfork_child (void) |
582 | static void atfork_child (void) |
531 | { |
583 | { |
532 | create_respipe (); |
584 | create_respipe (); |
533 | } |
585 | } |
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586 | |
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587 | /*****************************************************************************/ |
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588 | |
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589 | #if !_POSIX_MAPPED_FILES |
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590 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
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591 | # define munmap(addr,length) (errno = ENOSYS, -1) |
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592 | #endif |
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593 | |
|
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594 | #define MMAP_MAGIC PERL_MAGIC_ext |
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595 | |
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596 | static int |
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597 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
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598 | { |
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599 | int old_errno = errno; |
|
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600 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
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601 | errno = old_errno; |
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602 | |
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603 | mg->mg_obj = 0; /* just in case */ |
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604 | |
|
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605 | SvREADONLY_off (sv); |
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606 | SvCUR_set (sv, 0); |
|
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607 | SvLEN_set (sv, 0); |
|
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608 | SvPVX (sv) = 0; |
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609 | SvOK_off (sv); |
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610 | |
|
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611 | return 0; |
|
|
612 | } |
|
|
613 | |
|
|
614 | static MGVTBL mmap_vtbl = { |
|
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615 | 0, 0, 0, 0, mmap_free |
|
|
616 | }; |
|
|
617 | |
|
|
618 | /*****************************************************************************/ |
534 | |
619 | |
535 | static SV * |
620 | static SV * |
536 | get_cb (SV *cb_sv) |
621 | get_cb (SV *cb_sv) |
537 | { |
622 | { |
538 | SvGETMAGIC (cb_sv); |
623 | SvGETMAGIC (cb_sv); |
… | |
… | |
558 | PUTBACK; \ |
643 | PUTBACK; \ |
559 | req_submit (req); \ |
644 | req_submit (req); \ |
560 | SPAGAIN; \ |
645 | SPAGAIN; \ |
561 | \ |
646 | \ |
562 | if (GIMME_V != G_VOID) \ |
647 | if (GIMME_V != G_VOID) \ |
563 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
648 | XPUSHs (req_sv (req, aio_req_stash)); |
564 | |
649 | |
565 | MODULE = IO::AIO PACKAGE = IO::AIO |
650 | MODULE = IO::AIO PACKAGE = IO::AIO |
566 | |
651 | |
567 | PROTOTYPES: ENABLE |
652 | PROTOTYPES: ENABLE |
568 | |
653 | |
… | |
… | |
570 | { |
655 | { |
571 | static const struct { |
656 | static const struct { |
572 | const char *name; |
657 | const char *name; |
573 | IV iv; |
658 | IV iv; |
574 | } *civ, const_iv[] = { |
659 | } *civ, const_iv[] = { |
575 | # define const_iv(name, value) { # name, (IV) value }, |
660 | # define const_niv(name, value) { # name, (IV) value }, |
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661 | # define const_iv(name) { # name, (IV) name }, |
576 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
662 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
577 | const_iv (EXDEV , EXDEV) |
663 | const_iv (EXDEV) |
578 | const_iv (ENOSYS , ENOSYS) |
664 | const_iv (ENOSYS) |
579 | const_iv (O_RDONLY, O_RDONLY) |
665 | const_iv (O_RDONLY) |
580 | const_iv (O_WRONLY, O_WRONLY) |
666 | const_iv (O_WRONLY) |
581 | const_iv (O_CREAT , O_CREAT) |
667 | const_iv (O_CREAT) |
582 | const_iv (O_TRUNC , O_TRUNC) |
668 | const_iv (O_TRUNC) |
583 | #ifndef _WIN32 |
669 | #ifndef _WIN32 |
584 | const_iv (S_IFIFO , S_IFIFO) |
670 | const_iv (S_IFIFO) |
585 | #endif |
671 | #endif |
586 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
672 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
587 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
673 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
588 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
674 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
589 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
675 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
590 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
676 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
591 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
677 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
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678 | |
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679 | const_iv (ST_RDONLY) |
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680 | const_iv (ST_NOSUID) |
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681 | const_iv (ST_NODEV) |
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682 | const_iv (ST_NOEXEC) |
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683 | const_iv (ST_SYNCHRONOUS) |
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684 | const_iv (ST_MANDLOCK) |
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685 | const_iv (ST_WRITE) |
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686 | const_iv (ST_APPEND) |
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687 | const_iv (ST_IMMUTABLE) |
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688 | const_iv (ST_NOATIME) |
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689 | const_iv (ST_NODIRATIME) |
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690 | const_iv (ST_RELATIME) |
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691 | |
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692 | const_iv (PROT_EXEC) |
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693 | const_iv (PROT_NONE) |
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694 | const_iv (PROT_READ) |
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695 | const_iv (PROT_WRITE) |
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696 | |
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697 | /*const_iv (MAP_FIXED)*/ |
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698 | const_iv (MAP_PRIVATE) |
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699 | const_iv (MAP_SHARED) |
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700 | const_iv (MAP_ANONYMOUS) |
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701 | |
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702 | /* linuxish */ |
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703 | const_iv (MAP_HUGETLB) |
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704 | const_iv (MAP_LOCKED) |
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705 | const_iv (MAP_NORESERVE) |
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706 | const_iv (MAP_POPULATE) |
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707 | const_iv (MAP_NONBLOCK) |
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708 | |
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709 | const_iv (MCL_FUTURE) |
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710 | const_iv (MCL_CURRENT) |
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711 | |
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712 | const_eio (MS_ASYNC) |
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713 | const_eio (MS_INVALIDATE) |
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714 | const_eio (MS_SYNC) |
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715 | |
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716 | const_eio (MT_MODIFY) |
592 | |
717 | |
593 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
718 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
594 | const_eio (SYNC_FILE_RANGE_WRITE) |
719 | const_eio (SYNC_FILE_RANGE_WRITE) |
595 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
720 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
596 | |
721 | |
… | |
… | |
608 | const_eio (DT_LNK) |
733 | const_eio (DT_LNK) |
609 | const_eio (DT_SOCK) |
734 | const_eio (DT_SOCK) |
610 | const_eio (DT_WHT) |
735 | const_eio (DT_WHT) |
611 | }; |
736 | }; |
612 | |
737 | |
613 | stash = gv_stashpv ("IO::AIO", 1); |
738 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
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739 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
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740 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
614 | |
741 | |
615 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
742 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
616 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
743 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
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744 | |
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745 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
617 | |
746 | |
618 | create_respipe (); |
747 | create_respipe (); |
619 | |
748 | |
620 | if (eio_init (want_poll, done_poll) < 0) |
749 | if (eio_init (want_poll, done_poll) < 0) |
621 | croak ("IO::AIO: unable to initialise eio library"); |
750 | croak ("IO::AIO: unable to initialise eio library"); |
… | |
… | |
848 | } |
977 | } |
849 | |
978 | |
850 | void |
979 | void |
851 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
980 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
852 | ALIAS: |
981 | ALIAS: |
853 | aio_stat = EIO_STAT |
982 | aio_stat = EIO_STAT |
854 | aio_lstat = EIO_LSTAT |
983 | aio_lstat = EIO_LSTAT |
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|
984 | aio_statvfs = EIO_STATVFS |
855 | PPCODE: |
985 | PPCODE: |
856 | { |
986 | { |
857 | dREQ; |
987 | dREQ; |
858 | |
988 | |
859 | req->sv1 = newSVsv (fh_or_path); |
989 | req->sv1 = newSVsv (fh_or_path); |
… | |
… | |
863 | req->type = ix; |
993 | req->type = ix; |
864 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
994 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
865 | } |
995 | } |
866 | else |
996 | else |
867 | { |
997 | { |
868 | req->type = EIO_FSTAT; |
998 | req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
869 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
999 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
870 | } |
1000 | } |
871 | |
1001 | |
872 | REQ_SEND; |
1002 | REQ_SEND; |
873 | } |
1003 | } |
… | |
… | |
1036 | |
1166 | |
1037 | REQ_SEND; |
1167 | REQ_SEND; |
1038 | } |
1168 | } |
1039 | |
1169 | |
1040 | void |
1170 | void |
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1171 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
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1172 | ALIAS: |
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1173 | aio_mtouch = EIO_MTOUCH |
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1174 | aio_msync = EIO_MSYNC |
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1175 | PROTOTYPE: $$$$;$ |
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1176 | PPCODE: |
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1177 | { |
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1178 | STRLEN svlen; |
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1179 | UV len = SvUV (length); |
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1180 | char *svptr = SvPVbyte (data, svlen); |
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1181 | |
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1182 | if (offset < 0) |
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1183 | offset += svlen; |
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1184 | |
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1185 | if (offset < 0 || offset > svlen) |
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1186 | croak ("offset outside of scalar"); |
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1187 | |
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1188 | if (!SvOK (length) || len + offset > svlen) |
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1189 | len = svlen - offset; |
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1190 | |
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1191 | { |
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1192 | dREQ; |
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1193 | |
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1194 | req->type = ix; |
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1195 | req->size = len; |
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1196 | req->sv2 = SvREFCNT_inc (data); |
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1197 | req->ptr2 = (char *)svptr + offset; |
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1198 | req->int1 = flags; |
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1199 | |
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1200 | REQ_SEND; |
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1201 | } |
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1202 | } |
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1203 | |
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1204 | void |
1041 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1205 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1042 | PPCODE: |
1206 | PPCODE: |
1043 | { |
1207 | { |
1044 | dREQ; |
1208 | dREQ; |
1045 | |
1209 | |
… | |
… | |
1057 | dREQ; |
1221 | dREQ; |
1058 | |
1222 | |
1059 | req->type = EIO_GROUP; |
1223 | req->type = EIO_GROUP; |
1060 | |
1224 | |
1061 | req_submit (req); |
1225 | req_submit (req); |
1062 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1226 | XPUSHs (req_sv (req, aio_grp_stash)); |
1063 | } |
1227 | } |
1064 | |
1228 | |
1065 | void |
1229 | void |
1066 | aio_nop (SV *callback=&PL_sv_undef) |
1230 | aio_nop (SV *callback=&PL_sv_undef) |
1067 | ALIAS: |
1231 | ALIAS: |
… | |
… | |
1119 | |
1283 | |
1120 | int |
1284 | int |
1121 | poll_fileno() |
1285 | poll_fileno() |
1122 | PROTOTYPE: |
1286 | PROTOTYPE: |
1123 | CODE: |
1287 | CODE: |
1124 | RETVAL = respipe [0]; |
1288 | RETVAL = s_epipe_fd (&respipe); |
1125 | OUTPUT: |
1289 | OUTPUT: |
1126 | RETVAL |
1290 | RETVAL |
1127 | |
1291 | |
1128 | int |
1292 | int |
1129 | poll_cb(...) |
1293 | poll_cb(...) |
… | |
… | |
1176 | PROTOTYPE: $$$$ |
1340 | PROTOTYPE: $$$$ |
1177 | CODE: |
1341 | CODE: |
1178 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
1342 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
1179 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1343 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1180 | #else |
1344 | #else |
1181 | RETVAL = errno = ENOSYS; |
1345 | RETVAL = errno = ENOSYS; /* yes, this is actually correct */ |
1182 | #endif |
1346 | #endif |
1183 | OUTPUT: |
1347 | OUTPUT: |
1184 | RETVAL |
1348 | RETVAL |
1185 | |
1349 | |
1186 | ssize_t |
1350 | ssize_t |
1187 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1351 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1188 | PROTOTYPE: $$$$ |
1352 | PROTOTYPE: $$$$ |
1189 | CODE: |
1353 | CODE: |
1190 | eio_sendfile_sync (ofh, ifh, offset, count); |
1354 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
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1355 | OUTPUT: |
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1356 | RETVAL |
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1357 | |
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1358 | void |
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1359 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
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1360 | PROTOTYPE: $$$$$;$ |
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1361 | PPCODE: |
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1362 | sv_unmagic (scalar, MMAP_MAGIC); |
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1363 | { |
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1364 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
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1365 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
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1366 | if (addr == (void *)-1) |
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1367 | XSRETURN_NO; |
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1368 | |
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1369 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
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1370 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
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1371 | ->mg_obj = (SV *)length; |
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1372 | |
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1373 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
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1374 | if (!(prot & PROT_WRITE)) |
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1375 | SvREADONLY_on (scalar); |
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1376 | |
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1377 | SvPVX (scalar) = (char *)addr; |
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1378 | SvCUR_set (scalar, length); |
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1379 | SvLEN_set (scalar, 0); |
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1380 | SvPOK_only (scalar); |
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1381 | |
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1382 | XSRETURN_YES; |
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1383 | } |
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1384 | |
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1385 | void |
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1386 | munmap (SV *scalar) |
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1387 | PROTOTYPE: $ |
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1388 | CODE: |
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1389 | sv_unmagic (scalar, MMAP_MAGIC); |
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1390 | |
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1391 | int |
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1392 | mlockall (int flags) |
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1393 | PROTOTYPE: $ |
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1394 | CODE: |
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1395 | #if _POSIX_MEMLOCK |
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|
1396 | #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
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1397 | extern int mallopt (int, int); |
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1398 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
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1399 | #endif |
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1400 | mlockall (flags); |
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1401 | #else |
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1402 | RETVAL = -1; |
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1403 | errno = ENOSYS; |
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1404 | #endif |
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1405 | OUTPUT: |
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1406 | RETVAL |
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1407 | |
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1408 | int |
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1409 | munlockall () |
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1410 | PROTOTYPE: |
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1411 | CODE: |
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1412 | #if _POSIX_MEMLOCK |
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1413 | munlockall (); |
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1414 | #else |
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1415 | RETVAL = -1; |
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|
1416 | errno = ENOSYS; |
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1417 | #endif |
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|
1418 | OUTPUT: |
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|
1419 | RETVAL |
1191 | |
1420 | |
1192 | void _on_next_submit (SV *cb) |
1421 | void _on_next_submit (SV *cb) |
1193 | CODE: |
1422 | CODE: |
1194 | SvREFCNT_dec (on_next_submit); |
1423 | SvREFCNT_dec (on_next_submit); |
1195 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1424 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |