… | |
… | |
3 | #include <errno.h> |
3 | #include <errno.h> |
4 | |
4 | |
5 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
6 | #include "perl.h" |
6 | #include "perl.h" |
7 | #include "XSUB.h" |
7 | #include "XSUB.h" |
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8 | |
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9 | #include "schmorp.h" |
8 | |
10 | |
9 | #include <stddef.h> |
11 | #include <stddef.h> |
10 | #include <stdlib.h> |
12 | #include <stdlib.h> |
11 | #include <errno.h> |
13 | #include <errno.h> |
12 | #include <sys/types.h> |
14 | #include <sys/types.h> |
13 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
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16 | #include <sys/statvfs.h> |
14 | #include <limits.h> |
17 | #include <limits.h> |
15 | #include <fcntl.h> |
18 | #include <fcntl.h> |
16 | #include <sched.h> |
19 | #include <sched.h> |
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20 | |
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21 | #if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES |
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22 | # include <sys/mman.h> |
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23 | #endif |
17 | |
24 | |
18 | /* perl namespace pollution */ |
25 | /* perl namespace pollution */ |
19 | #undef VERSION |
26 | #undef VERSION |
20 | |
27 | |
21 | #ifdef _WIN32 |
28 | #ifdef _WIN32 |
… | |
… | |
97 | #define expect_false(expr) expect ((expr) != 0, 0) |
104 | #define expect_false(expr) expect ((expr) != 0, 0) |
98 | #define expect_true(expr) expect ((expr) != 0, 1) |
105 | #define expect_true(expr) expect ((expr) != 0, 1) |
99 | |
106 | |
100 | /*****************************************************************************/ |
107 | /*****************************************************************************/ |
101 | |
108 | |
102 | static HV *stash; |
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103 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
109 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
104 | typedef int aio_rfd; /* read file desriptor */ |
110 | typedef int aio_rfd; /* read file desriptor */ |
105 | typedef int aio_wfd; /* write file descriptor */ |
111 | typedef int aio_wfd; /* write file descriptor */ |
106 | |
112 | |
107 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
113 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash; |
108 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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109 | |
114 | |
110 | #define EIO_REQ_MEMBERS \ |
115 | #define EIO_REQ_MEMBERS \ |
111 | SV *callback; \ |
116 | SV *callback; \ |
112 | SV *sv1, *sv2; \ |
117 | SV *sv1, *sv2; \ |
113 | STRLEN stroffset; \ |
118 | STRLEN stroffset; \ |
… | |
… | |
119 | |
124 | |
120 | #ifndef POSIX_FADV_NORMAL |
125 | #ifndef POSIX_FADV_NORMAL |
121 | # define POSIX_FADV_NORMAL 0 |
126 | # define POSIX_FADV_NORMAL 0 |
122 | # define NO_FADVISE 1 |
127 | # define NO_FADVISE 1 |
123 | #endif |
128 | #endif |
124 | |
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125 | #ifndef POSIX_FADV_SEQUENTIAL |
129 | #ifndef POSIX_FADV_SEQUENTIAL |
126 | # define POSIX_FADV_SEQUENTIAL 0 |
130 | # define POSIX_FADV_SEQUENTIAL 0 |
127 | #endif |
131 | #endif |
128 | |
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129 | #ifndef POSIX_FADV_RANDOM |
132 | #ifndef POSIX_FADV_RANDOM |
130 | # define POSIX_FADV_RANDOM 0 |
133 | # define POSIX_FADV_RANDOM 0 |
131 | #endif |
134 | #endif |
132 | |
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133 | #ifndef POSIX_FADV_NOREUSE |
135 | #ifndef POSIX_FADV_NOREUSE |
134 | # define POSIX_FADV_NOREUSE 0 |
136 | # define POSIX_FADV_NOREUSE 0 |
135 | #endif |
137 | #endif |
136 | |
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137 | #ifndef POSIX_FADV_WILLNEED |
138 | #ifndef POSIX_FADV_WILLNEED |
138 | # define POSIX_FADV_WILLNEED 0 |
139 | # define POSIX_FADV_WILLNEED 0 |
139 | #endif |
140 | #endif |
140 | |
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141 | #ifndef POSIX_FADV_DONTNEED |
141 | #ifndef POSIX_FADV_DONTNEED |
142 | # 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 POSIX_MADV_NORMAL |
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146 | # define POSIX_MADV_NORMAL 0 |
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147 | # define NO_MADVISE 1 |
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148 | #endif |
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149 | #ifndef POSIX_MADV_SEQUENTIAL |
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150 | # define POSIX_MADV_SEQUENTIAL 0 |
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151 | #endif |
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152 | #ifndef POSIX_MADV_RANDOM |
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153 | # define POSIX_MADV_RANDOM 0 |
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154 | #endif |
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155 | #ifndef POSIX_MADV_WILLNEED |
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156 | # define POSIX_MADV_WILLNEED 0 |
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157 | #endif |
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158 | #ifndef POSIX_MADV_DONTNEED |
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159 | # define POSIX_MADV_DONTNEED 0 |
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160 | #endif |
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161 | |
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162 | #ifndef ST_NODEV |
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163 | # define ST_NODEV 0 |
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164 | #endif |
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165 | #ifndef ST_NOEXEC |
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166 | # define ST_NOEXEC 0 |
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167 | #endif |
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168 | #ifndef ST_SYNCHRONOUS |
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169 | # define ST_SYNCHRONOUS 0 |
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170 | #endif |
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171 | #ifndef ST_MANDLOCK |
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172 | # define ST_MANDLOCK 0 |
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173 | #endif |
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174 | #ifndef ST_WRITE |
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175 | # define ST_WRITE 0 |
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176 | #endif |
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177 | #ifndef ST_APPEND |
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178 | # define ST_APPEND 0 |
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179 | #endif |
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180 | #ifndef ST_IMMUTABLE |
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181 | # define ST_IMMUTABLE 0 |
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182 | #endif |
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183 | #ifndef ST_NOATIME |
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184 | # define ST_NOATIME 0 |
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185 | #endif |
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186 | #ifndef ST_NODIRATIME |
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187 | # define ST_NODIRATIME 0 |
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188 | #endif |
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189 | #ifndef ST_RELATIME |
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190 | # define ST_RELATIME 0 |
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191 | #endif |
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192 | |
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193 | #ifndef MCL_CURRENT |
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194 | # define MCL_CURRENT 0 |
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195 | #endif |
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196 | #ifndef MCL_FUTURE |
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197 | # define MCL_FUTURE 0 |
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198 | #endif |
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199 | |
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200 | #ifndef MAP_ANONYMOUS |
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201 | # ifdef MAP_ANON |
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202 | # define MAP_ANONYMOUS MAP_ANON |
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203 | # else |
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204 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
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205 | # endif |
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206 | #endif |
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207 | #ifndef MAP_HUGETLB |
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208 | # define MAP_HUGETLB 0 |
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209 | #endif |
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210 | #ifndef MAP_LOCKED |
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211 | # define MAP_LOCKED 0 |
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212 | #endif |
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213 | #ifndef MAP_NORESERVE |
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214 | # define MAP_NORESERVE 0 |
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215 | #endif |
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216 | #ifndef MAP_POPULATE |
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217 | # define MAP_POPULATE 0 |
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218 | #endif |
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219 | #ifndef MAP_NONBLOCK |
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220 | # define MAP_NONBLOCK 0 |
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221 | #endif |
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222 | |
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223 | #ifndef PAGESIZE |
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224 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
143 | #endif |
225 | #endif |
144 | |
226 | |
145 | static int req_invoke (eio_req *req); |
227 | static int req_invoke (eio_req *req); |
146 | #define EIO_FINISH(req) req_invoke (req) |
228 | #define EIO_FINISH(req) req_invoke (req) |
147 | static void req_destroy (eio_req *grp); |
229 | static void req_destroy (eio_req *grp); |
… | |
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158 | |
240 | |
159 | static SV *on_next_submit; |
241 | static SV *on_next_submit; |
160 | static int next_pri = EIO_PRI_DEFAULT; |
242 | static int next_pri = EIO_PRI_DEFAULT; |
161 | static int max_outstanding; |
243 | static int max_outstanding; |
162 | |
244 | |
163 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
245 | static s_epipe respipe; |
164 | |
246 | |
165 | static void req_destroy (aio_req req); |
247 | static void req_destroy (aio_req req); |
166 | static void req_cancel (aio_req req); |
248 | static void req_cancel (aio_req req); |
167 | |
249 | |
168 | static void want_poll (void) |
250 | static void want_poll (void) |
169 | { |
251 | { |
170 | /* write a dummy byte to the pipe so fh becomes ready */ |
252 | /* write a dummy byte to the pipe so fh becomes ready */ |
171 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
253 | s_epipe_signal (&respipe); |
172 | } |
254 | } |
173 | |
255 | |
174 | static void done_poll (void) |
256 | static void done_poll (void) |
175 | { |
257 | { |
176 | /* read any signals sent by the worker threads */ |
258 | /* read any signals sent by the worker threads */ |
177 | char buf [4]; |
259 | s_epipe_drain (&respipe); |
178 | while (respipe_read (respipe [0], buf, 4) == 4) |
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179 | ; |
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180 | } |
260 | } |
181 | |
261 | |
182 | /* must be called at most once */ |
262 | /* must be called at most once */ |
183 | static SV *req_sv (aio_req req, const char *klass) |
263 | static SV *req_sv (aio_req req, HV *stash) |
184 | { |
264 | { |
185 | if (!req->self) |
265 | if (!req->self) |
186 | { |
266 | { |
187 | req->self = (SV *)newHV (); |
267 | req->self = (SV *)newHV (); |
188 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
268 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
189 | } |
269 | } |
190 | |
270 | |
191 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
271 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
192 | } |
272 | } |
193 | |
273 | |
194 | static aio_req SvAIO_REQ (SV *sv) |
274 | static aio_req SvAIO_REQ (SV *sv) |
195 | { |
275 | { |
196 | MAGIC *mg; |
276 | MAGIC *mg; |
197 | |
277 | |
198 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
278 | if (!SvROK (sv) |
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279 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
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280 | && SvSTASH (SvRV (sv)) != aio_req_stash |
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281 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
199 | croak ("object of class " AIO_REQ_KLASS " expected"); |
282 | croak ("object of class IO::AIO::REQ expected"); |
200 | |
283 | |
201 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
284 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
202 | |
285 | |
203 | return mg ? (aio_req)mg->mg_ptr : 0; |
286 | return mg ? (aio_req)mg->mg_ptr : 0; |
204 | } |
287 | } |
… | |
… | |
210 | dSP; |
293 | dSP; |
211 | |
294 | |
212 | ENTER; |
295 | ENTER; |
213 | SAVETMPS; |
296 | SAVETMPS; |
214 | PUSHMARK (SP); |
297 | PUSHMARK (SP); |
215 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
298 | XPUSHs (req_sv (grp, aio_grp_stash)); |
216 | PUTBACK; |
299 | PUTBACK; |
217 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
300 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
218 | SPAGAIN; |
301 | SPAGAIN; |
219 | FREETMPS; |
302 | FREETMPS; |
220 | LEAVE; |
303 | LEAVE; |
… | |
… | |
238 | } |
321 | } |
239 | } |
322 | } |
240 | |
323 | |
241 | static int req_invoke (eio_req *req) |
324 | static int req_invoke (eio_req *req) |
242 | { |
325 | { |
243 | dSP; |
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244 | |
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245 | if (req->flags & FLAG_SV2_RO_OFF) |
326 | if (req->flags & FLAG_SV2_RO_OFF) |
246 | SvREADONLY_off (req->sv2); |
327 | SvREADONLY_off (req->sv2); |
247 | |
328 | |
248 | if (!EIO_CANCELLED (req) && req->callback) |
329 | if (!EIO_CANCELLED (req) && req->callback) |
249 | { |
330 | { |
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331 | dSP; |
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332 | static SV *sv_result_cache; /* caches the result integer SV */ |
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333 | SV *sv_result; |
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334 | |
250 | ENTER; |
335 | ENTER; |
251 | SAVETMPS; |
336 | SAVETMPS; |
252 | PUSHMARK (SP); |
337 | PUSHMARK (SP); |
253 | EXTEND (SP, 1); |
338 | EXTEND (SP, 1); |
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339 | |
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340 | /* do not recreate the result IV from scratch each time */ |
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341 | if (expect_true (sv_result_cache)) |
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342 | { |
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343 | sv_result = sv_result_cache; sv_result_cache = 0; |
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344 | SvIV_set (sv_result, req->result); |
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345 | } |
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346 | else |
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347 | { |
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348 | sv_result = newSViv (req->result); |
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349 | SvREADONLY_on (sv_result); |
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350 | } |
254 | |
351 | |
255 | switch (req->type) |
352 | switch (req->type) |
256 | { |
353 | { |
257 | case EIO_READDIR: |
354 | case EIO_READDIR: |
258 | { |
355 | { |
… | |
… | |
326 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
423 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
327 | char sym [64]; |
424 | char sym [64]; |
328 | int symlen; |
425 | int symlen; |
329 | |
426 | |
330 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
427 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
331 | gv_init (gv, stash, sym, symlen, 0); |
428 | gv_init (gv, aio_stash, sym, symlen, 0); |
332 | |
429 | |
333 | symlen = snprintf ( |
430 | symlen = snprintf ( |
334 | sym, |
431 | sym, |
335 | sizeof (sym), |
432 | sizeof (sym), |
336 | "%s&=%d", |
433 | "%s&=%d", |
… | |
… | |
344 | |
441 | |
345 | PUSHs (fh); |
442 | PUSHs (fh); |
346 | } |
443 | } |
347 | break; |
444 | break; |
348 | |
445 | |
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446 | case EIO_STATVFS: |
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447 | case EIO_FSTATVFS: |
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448 | { |
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449 | SV *rv = &PL_sv_undef; |
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450 | |
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451 | if (req->result >= 0) |
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452 | { |
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453 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
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454 | HV *hv = newHV (); |
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455 | |
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456 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
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457 | |
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458 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
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459 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
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460 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
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461 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
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462 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
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463 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
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464 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
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465 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
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466 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
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467 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
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468 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
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469 | } |
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470 | |
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471 | PUSHs (rv); |
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472 | } |
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473 | |
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474 | break; |
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475 | |
349 | case EIO_GROUP: |
476 | case EIO_GROUP: |
350 | req->int1 = 2; /* mark group as finished */ |
477 | req->int1 = 2; /* mark group as finished */ |
351 | |
478 | |
352 | if (req->sv1) |
479 | if (req->sv1) |
353 | { |
480 | { |
… | |
… | |
373 | case EIO_LSTAT: |
500 | case EIO_LSTAT: |
374 | case EIO_FSTAT: |
501 | case EIO_FSTAT: |
375 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
502 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
376 | PL_laststatval = req->result; |
503 | PL_laststatval = req->result; |
377 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
504 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
378 | PUSHs (sv_2mortal (newSViv (req->result))); |
505 | PUSHs (sv_result); |
379 | break; |
506 | break; |
380 | |
507 | |
381 | case EIO_READ: |
508 | case EIO_READ: |
382 | { |
509 | { |
383 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
510 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
384 | *SvEND (req->sv2) = 0; |
511 | *SvEND (req->sv2) = 0; |
385 | SvPOK_only (req->sv2); |
512 | SvPOK_only (req->sv2); |
386 | SvSETMAGIC (req->sv2); |
513 | SvSETMAGIC (req->sv2); |
387 | PUSHs (sv_2mortal (newSViv (req->result))); |
514 | PUSHs (sv_result); |
388 | } |
515 | } |
389 | break; |
516 | break; |
390 | |
517 | |
391 | case EIO_DUP2: |
518 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ |
392 | if (req->result > 0) |
519 | if (req->result > 0) |
393 | req->result = 0; |
520 | SvIV_set (sv_result, 0); |
394 | /* FALLTHROUGH */ |
521 | /* FALLTHROUGH */ |
395 | |
522 | |
396 | default: |
523 | default: |
397 | PUSHs (sv_2mortal (newSViv (req->result))); |
524 | PUSHs (sv_result); |
398 | break; |
525 | break; |
399 | } |
526 | } |
400 | |
527 | |
401 | errno = req->errorno; |
528 | errno = req->errorno; |
402 | |
529 | |
403 | PUTBACK; |
530 | PUTBACK; |
404 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
531 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
405 | SPAGAIN; |
532 | SPAGAIN; |
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533 | |
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534 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
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535 | SvREFCNT_dec (sv_result); |
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536 | else |
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537 | sv_result_cache = sv_result; |
406 | |
538 | |
407 | FREETMPS; |
539 | FREETMPS; |
408 | LEAVE; |
540 | LEAVE; |
409 | |
541 | |
410 | PUTBACK; |
542 | PUTBACK; |
… | |
… | |
439 | grp->sv2 = 0; |
571 | grp->sv2 = 0; |
440 | |
572 | |
441 | eio_grp_cancel (grp); |
573 | eio_grp_cancel (grp); |
442 | } |
574 | } |
443 | |
575 | |
444 | #ifdef USE_SOCKETS_AS_HANDLES |
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445 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
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446 | #else |
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447 | # define TO_SOCKET(x) (x) |
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448 | #endif |
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449 | |
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450 | static void |
576 | static void |
451 | create_respipe (void) |
577 | create_respipe (void) |
452 | { |
578 | { |
453 | int old_readfd = respipe [0]; |
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454 | |
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455 | if (respipe [1] >= 0) |
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456 | respipe_close (TO_SOCKET (respipe [1])); |
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457 | |
|
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458 | #ifdef _WIN32 |
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459 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
|
|
460 | #else |
|
|
461 | if (pipe (respipe)) |
579 | if (s_epipe_renew (&respipe)) |
462 | #endif |
|
|
463 | croak ("unable to initialize result pipe"); |
580 | croak ("IO::AIO: unable to initialize result pipe"); |
464 | |
|
|
465 | if (old_readfd >= 0) |
|
|
466 | { |
|
|
467 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
|
|
468 | croak ("unable to initialize result pipe(2)"); |
|
|
469 | |
|
|
470 | respipe_close (respipe [0]); |
|
|
471 | respipe [0] = old_readfd; |
|
|
472 | } |
|
|
473 | |
|
|
474 | #ifdef _WIN32 |
|
|
475 | int arg = 1; |
|
|
476 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
|
|
477 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
|
|
478 | #else |
|
|
479 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
|
|
480 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
481 | #endif |
|
|
482 | croak ("unable to initialize result pipe(3)"); |
|
|
483 | |
|
|
484 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
|
|
485 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
|
|
486 | } |
581 | } |
487 | |
582 | |
488 | static void poll_wait (void) |
583 | static void poll_wait (void) |
489 | { |
584 | { |
490 | fd_set rfd; |
|
|
491 | |
|
|
492 | while (eio_nreqs ()) |
585 | while (eio_nreqs ()) |
493 | { |
586 | { |
494 | int size; |
587 | int size; |
495 | |
588 | |
496 | X_LOCK (reslock); |
589 | X_LOCK (reslock); |
… | |
… | |
500 | if (size) |
593 | if (size) |
501 | return; |
594 | return; |
502 | |
595 | |
503 | etp_maybe_start_thread (); |
596 | etp_maybe_start_thread (); |
504 | |
597 | |
505 | FD_ZERO (&rfd); |
598 | s_epipe_wait (&respipe); |
506 | FD_SET (respipe [0], &rfd); |
|
|
507 | |
|
|
508 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
509 | } |
599 | } |
510 | } |
600 | } |
511 | |
601 | |
512 | static int poll_cb (void) |
602 | static int poll_cb (void) |
513 | { |
603 | { |
… | |
… | |
528 | static void atfork_child (void) |
618 | static void atfork_child (void) |
529 | { |
619 | { |
530 | create_respipe (); |
620 | create_respipe (); |
531 | } |
621 | } |
532 | |
622 | |
|
|
623 | /*****************************************************************************/ |
|
|
624 | |
|
|
625 | #if !_POSIX_MAPPED_FILES |
|
|
626 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
|
|
627 | # define munmap(addr,length) (errno = ENOSYS, -1) |
|
|
628 | #endif |
|
|
629 | |
|
|
630 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
631 | |
|
|
632 | static int |
|
|
633 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
634 | { |
|
|
635 | int old_errno = errno; |
|
|
636 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
637 | errno = old_errno; |
|
|
638 | |
|
|
639 | mg->mg_obj = 0; /* just in case */ |
|
|
640 | |
|
|
641 | SvREADONLY_off (sv); |
|
|
642 | |
|
|
643 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
644 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
645 | |
|
|
646 | SvCUR_set (sv, 0); |
|
|
647 | SvPVX (sv) = 0; |
|
|
648 | SvOK_off (sv); |
|
|
649 | |
|
|
650 | return 0; |
|
|
651 | } |
|
|
652 | |
|
|
653 | static MGVTBL mmap_vtbl = { |
|
|
654 | 0, 0, 0, 0, mmap_free |
|
|
655 | }; |
|
|
656 | |
|
|
657 | /*****************************************************************************/ |
|
|
658 | |
533 | static SV * |
659 | static SV * |
534 | get_cb (SV *cb_sv) |
660 | get_cb (SV *cb_sv) |
535 | { |
661 | { |
536 | HV *st; |
662 | SvGETMAGIC (cb_sv); |
537 | GV *gvp; |
663 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
538 | CV *cv; |
|
|
539 | |
|
|
540 | if (!SvOK (cb_sv)) |
|
|
541 | return 0; |
|
|
542 | |
|
|
543 | cv = sv_2cv (cb_sv, &st, &gvp, 0); |
|
|
544 | |
|
|
545 | if (!cv) |
|
|
546 | croak ("IO::AIO callback must be undef or a CODE reference"); |
|
|
547 | |
|
|
548 | return (SV *)cv; |
|
|
549 | } |
664 | } |
550 | |
665 | |
551 | #define dREQ \ |
666 | #define dREQ \ |
552 | SV *cb_cv; \ |
667 | SV *cb_cv; \ |
553 | aio_req req; \ |
668 | aio_req req; \ |
… | |
… | |
567 | PUTBACK; \ |
682 | PUTBACK; \ |
568 | req_submit (req); \ |
683 | req_submit (req); \ |
569 | SPAGAIN; \ |
684 | SPAGAIN; \ |
570 | \ |
685 | \ |
571 | if (GIMME_V != G_VOID) \ |
686 | if (GIMME_V != G_VOID) \ |
572 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
687 | XPUSHs (req_sv (req, aio_req_stash)); |
573 | |
|
|
574 | static int |
|
|
575 | extract_fd (SV *fh, int wr) |
|
|
576 | { |
|
|
577 | int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); |
|
|
578 | |
|
|
579 | if (fd < 0) |
|
|
580 | croak ("illegal fh argument, either not an OS file or read/write mode mismatch"); |
|
|
581 | |
|
|
582 | return fd; |
|
|
583 | } |
|
|
584 | |
688 | |
585 | MODULE = IO::AIO PACKAGE = IO::AIO |
689 | MODULE = IO::AIO PACKAGE = IO::AIO |
586 | |
690 | |
587 | PROTOTYPES: ENABLE |
691 | PROTOTYPES: ENABLE |
588 | |
692 | |
… | |
… | |
590 | { |
694 | { |
591 | static const struct { |
695 | static const struct { |
592 | const char *name; |
696 | const char *name; |
593 | IV iv; |
697 | IV iv; |
594 | } *civ, const_iv[] = { |
698 | } *civ, const_iv[] = { |
595 | # define const_iv(name, value) { # name, (IV) value }, |
699 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
700 | # define const_iv(name) { # name, (IV) name }, |
596 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
701 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
597 | const_iv (EXDEV , EXDEV) |
702 | const_iv (EXDEV) |
598 | const_iv (ENOSYS , ENOSYS) |
703 | const_iv (ENOSYS) |
599 | const_iv (O_RDONLY, O_RDONLY) |
704 | const_iv (O_RDONLY) |
600 | const_iv (O_WRONLY, O_WRONLY) |
705 | const_iv (O_WRONLY) |
|
|
706 | const_iv (O_RDWR) |
601 | const_iv (O_CREAT , O_CREAT) |
707 | const_iv (O_CREAT) |
602 | const_iv (O_TRUNC , O_TRUNC) |
708 | const_iv (O_TRUNC) |
|
|
709 | const_iv (O_EXCL) |
|
|
710 | const_iv (O_APPEND) |
603 | #ifndef _WIN32 |
711 | #ifndef _WIN32 |
604 | const_iv (S_IFIFO , S_IFIFO) |
712 | const_iv (S_IFIFO) |
605 | #endif |
713 | #endif |
606 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
714 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
607 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
715 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
608 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
716 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
609 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
717 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
610 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
718 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
611 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
719 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
720 | |
|
|
721 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
722 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
723 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
724 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
725 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
726 | |
|
|
727 | const_iv (ST_RDONLY) |
|
|
728 | const_iv (ST_NOSUID) |
|
|
729 | const_iv (ST_NODEV) |
|
|
730 | const_iv (ST_NOEXEC) |
|
|
731 | const_iv (ST_SYNCHRONOUS) |
|
|
732 | const_iv (ST_MANDLOCK) |
|
|
733 | const_iv (ST_WRITE) |
|
|
734 | const_iv (ST_APPEND) |
|
|
735 | const_iv (ST_IMMUTABLE) |
|
|
736 | const_iv (ST_NOATIME) |
|
|
737 | const_iv (ST_NODIRATIME) |
|
|
738 | const_iv (ST_RELATIME) |
|
|
739 | |
|
|
740 | const_iv (PROT_EXEC) |
|
|
741 | const_iv (PROT_NONE) |
|
|
742 | const_iv (PROT_READ) |
|
|
743 | const_iv (PROT_WRITE) |
|
|
744 | |
|
|
745 | /*const_iv (MAP_FIXED)*/ |
|
|
746 | const_iv (MAP_PRIVATE) |
|
|
747 | const_iv (MAP_SHARED) |
|
|
748 | const_iv (MAP_ANONYMOUS) |
|
|
749 | |
|
|
750 | /* linuxish */ |
|
|
751 | const_iv (MAP_HUGETLB) |
|
|
752 | const_iv (MAP_LOCKED) |
|
|
753 | const_iv (MAP_NORESERVE) |
|
|
754 | const_iv (MAP_POPULATE) |
|
|
755 | const_iv (MAP_NONBLOCK) |
|
|
756 | |
|
|
757 | const_iv (MCL_FUTURE) |
|
|
758 | const_iv (MCL_CURRENT) |
|
|
759 | |
|
|
760 | const_eio (MS_ASYNC) |
|
|
761 | const_eio (MS_INVALIDATE) |
|
|
762 | const_eio (MS_SYNC) |
|
|
763 | |
|
|
764 | const_eio (MT_MODIFY) |
612 | |
765 | |
613 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
766 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
614 | const_eio (SYNC_FILE_RANGE_WRITE) |
767 | const_eio (SYNC_FILE_RANGE_WRITE) |
615 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
768 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
616 | |
769 | |
… | |
… | |
628 | const_eio (DT_LNK) |
781 | const_eio (DT_LNK) |
629 | const_eio (DT_SOCK) |
782 | const_eio (DT_SOCK) |
630 | const_eio (DT_WHT) |
783 | const_eio (DT_WHT) |
631 | }; |
784 | }; |
632 | |
785 | |
633 | stash = gv_stashpv ("IO::AIO", 1); |
786 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
787 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
788 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
634 | |
789 | |
635 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
790 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
636 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
791 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
792 | |
|
|
793 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
637 | |
794 | |
638 | create_respipe (); |
795 | create_respipe (); |
639 | |
796 | |
640 | if (eio_init (want_poll, done_poll) < 0) |
797 | if (eio_init (want_poll, done_poll) < 0) |
641 | croak ("IO::AIO: unable to initialise eio library"); |
798 | croak ("IO::AIO: unable to initialise eio library"); |
… | |
… | |
702 | ALIAS: |
859 | ALIAS: |
703 | aio_fsync = EIO_FSYNC |
860 | aio_fsync = EIO_FSYNC |
704 | aio_fdatasync = EIO_FDATASYNC |
861 | aio_fdatasync = EIO_FDATASYNC |
705 | PPCODE: |
862 | PPCODE: |
706 | { |
863 | { |
707 | int fd = extract_fd (fh, 0); |
864 | int fd = s_fileno_croak (fh, 0); |
708 | dREQ; |
865 | dREQ; |
709 | |
866 | |
710 | req->type = ix; |
867 | req->type = ix; |
711 | req->sv1 = newSVsv (fh); |
868 | req->sv1 = newSVsv (fh); |
712 | req->int1 = fd; |
869 | req->int1 = fd; |
… | |
… | |
717 | void |
874 | void |
718 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
875 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
719 | PROTOTYPE: $$$$;$ |
876 | PROTOTYPE: $$$$;$ |
720 | PPCODE: |
877 | PPCODE: |
721 | { |
878 | { |
722 | int fd = extract_fd (fh, 0); |
879 | int fd = s_fileno_croak (fh, 0); |
723 | dREQ; |
880 | dREQ; |
724 | |
881 | |
725 | req->type = EIO_SYNC_FILE_RANGE; |
882 | req->type = EIO_SYNC_FILE_RANGE; |
726 | req->sv1 = newSVsv (fh); |
883 | req->sv1 = newSVsv (fh); |
727 | req->int1 = fd; |
884 | req->int1 = fd; |
… | |
… | |
736 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
893 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
737 | PROTOTYPE: $;$ |
894 | PROTOTYPE: $;$ |
738 | PPCODE: |
895 | PPCODE: |
739 | { |
896 | { |
740 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
897 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
741 | int fd = extract_fd (fh, 0); |
898 | int fd = s_fileno_croak (fh, 0); |
742 | dREQ; |
899 | dREQ; |
743 | |
900 | |
744 | if (close_pipe < 0) |
901 | if (close_pipe < 0) |
745 | { |
902 | { |
746 | int pipefd [2]; |
903 | int pipefd [2]; |
… | |
… | |
768 | aio_write = EIO_WRITE |
925 | aio_write = EIO_WRITE |
769 | PROTOTYPE: $$$$$;$ |
926 | PROTOTYPE: $$$$$;$ |
770 | PPCODE: |
927 | PPCODE: |
771 | { |
928 | { |
772 | STRLEN svlen; |
929 | STRLEN svlen; |
773 | int fd = extract_fd (fh, ix == EIO_WRITE); |
930 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
774 | char *svptr = SvPVbyte (data, svlen); |
931 | char *svptr = SvPVbyte (data, svlen); |
775 | UV len = SvUV (length); |
932 | UV len = SvUV (length); |
776 | |
933 | |
777 | if (dataoffset < 0) |
934 | if (dataoffset < 0) |
778 | dataoffset += svlen; |
935 | dataoffset += svlen; |
… | |
… | |
833 | void |
990 | void |
834 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
991 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
835 | PROTOTYPE: $$$$;$ |
992 | PROTOTYPE: $$$$;$ |
836 | PPCODE: |
993 | PPCODE: |
837 | { |
994 | { |
838 | int ifd = extract_fd (in_fh , 0); |
995 | int ifd = s_fileno_croak (in_fh , 0); |
839 | int ofd = extract_fd (out_fh, 0); |
996 | int ofd = s_fileno_croak (out_fh, 1); |
840 | dREQ; |
997 | dREQ; |
841 | |
998 | |
842 | req->type = EIO_SENDFILE; |
999 | req->type = EIO_SENDFILE; |
843 | req->sv1 = newSVsv (out_fh); |
1000 | req->sv1 = newSVsv (out_fh); |
844 | req->int1 = ofd; |
1001 | req->int1 = ofd; |
… | |
… | |
853 | void |
1010 | void |
854 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1011 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
855 | PROTOTYPE: $$$;$ |
1012 | PROTOTYPE: $$$;$ |
856 | PPCODE: |
1013 | PPCODE: |
857 | { |
1014 | { |
858 | int fd = extract_fd (fh, 0); |
1015 | int fd = s_fileno_croak (fh, 0); |
859 | dREQ; |
1016 | dREQ; |
860 | |
1017 | |
861 | req->type = EIO_READAHEAD; |
1018 | req->type = EIO_READAHEAD; |
862 | req->sv1 = newSVsv (fh); |
1019 | req->sv1 = newSVsv (fh); |
863 | req->int1 = fd; |
1020 | req->int1 = fd; |
… | |
… | |
868 | } |
1025 | } |
869 | |
1026 | |
870 | void |
1027 | void |
871 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1028 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
872 | ALIAS: |
1029 | ALIAS: |
873 | aio_stat = EIO_STAT |
1030 | aio_stat = EIO_STAT |
874 | aio_lstat = EIO_LSTAT |
1031 | aio_lstat = EIO_LSTAT |
|
|
1032 | aio_statvfs = EIO_STATVFS |
875 | PPCODE: |
1033 | PPCODE: |
876 | { |
1034 | { |
877 | dREQ; |
1035 | dREQ; |
878 | |
1036 | |
879 | req->sv1 = newSVsv (fh_or_path); |
1037 | req->sv1 = newSVsv (fh_or_path); |
… | |
… | |
883 | req->type = ix; |
1041 | req->type = ix; |
884 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1042 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
885 | } |
1043 | } |
886 | else |
1044 | else |
887 | { |
1045 | { |
888 | req->type = EIO_FSTAT; |
1046 | req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
889 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1047 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
890 | } |
1048 | } |
891 | |
1049 | |
892 | REQ_SEND; |
1050 | REQ_SEND; |
893 | } |
1051 | } |
… | |
… | |
1056 | |
1214 | |
1057 | REQ_SEND; |
1215 | REQ_SEND; |
1058 | } |
1216 | } |
1059 | |
1217 | |
1060 | void |
1218 | void |
|
|
1219 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1220 | ALIAS: |
|
|
1221 | aio_mtouch = EIO_MTOUCH |
|
|
1222 | aio_msync = EIO_MSYNC |
|
|
1223 | PROTOTYPE: $$$$;$ |
|
|
1224 | PPCODE: |
|
|
1225 | { |
|
|
1226 | STRLEN svlen; |
|
|
1227 | UV len = SvUV (length); |
|
|
1228 | char *svptr = SvPVbyte (data, svlen); |
|
|
1229 | |
|
|
1230 | if (offset < 0) |
|
|
1231 | offset += svlen; |
|
|
1232 | |
|
|
1233 | if (offset < 0 || offset > svlen) |
|
|
1234 | croak ("offset outside of scalar"); |
|
|
1235 | |
|
|
1236 | if (!SvOK (length) || len + offset > svlen) |
|
|
1237 | len = svlen - offset; |
|
|
1238 | |
|
|
1239 | { |
|
|
1240 | dREQ; |
|
|
1241 | |
|
|
1242 | req->type = ix; |
|
|
1243 | req->size = len; |
|
|
1244 | req->sv2 = SvREFCNT_inc (data); |
|
|
1245 | req->ptr2 = (char *)svptr + offset; |
|
|
1246 | req->int1 = flags; |
|
|
1247 | |
|
|
1248 | REQ_SEND; |
|
|
1249 | } |
|
|
1250 | } |
|
|
1251 | |
|
|
1252 | void |
1061 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1253 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1062 | PPCODE: |
1254 | PPCODE: |
1063 | { |
1255 | { |
1064 | dREQ; |
1256 | dREQ; |
1065 | |
1257 | |
… | |
… | |
1077 | dREQ; |
1269 | dREQ; |
1078 | |
1270 | |
1079 | req->type = EIO_GROUP; |
1271 | req->type = EIO_GROUP; |
1080 | |
1272 | |
1081 | req_submit (req); |
1273 | req_submit (req); |
1082 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1274 | XPUSHs (req_sv (req, aio_grp_stash)); |
1083 | } |
1275 | } |
1084 | |
1276 | |
1085 | void |
1277 | void |
1086 | aio_nop (SV *callback=&PL_sv_undef) |
1278 | aio_nop (SV *callback=&PL_sv_undef) |
1087 | ALIAS: |
1279 | ALIAS: |
… | |
… | |
1139 | |
1331 | |
1140 | int |
1332 | int |
1141 | poll_fileno() |
1333 | poll_fileno() |
1142 | PROTOTYPE: |
1334 | PROTOTYPE: |
1143 | CODE: |
1335 | CODE: |
1144 | RETVAL = respipe [0]; |
1336 | RETVAL = s_epipe_fd (&respipe); |
1145 | OUTPUT: |
1337 | OUTPUT: |
1146 | RETVAL |
1338 | RETVAL |
1147 | |
1339 | |
1148 | int |
1340 | int |
1149 | poll_cb(...) |
1341 | poll_cb(...) |
… | |
… | |
1193 | |
1385 | |
1194 | int |
1386 | int |
1195 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1387 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1196 | PROTOTYPE: $$$$ |
1388 | PROTOTYPE: $$$$ |
1197 | CODE: |
1389 | CODE: |
1198 | { |
|
|
1199 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
1390 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
1200 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1391 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1201 | #else |
1392 | #else |
1202 | RETVAL = errno = ENOSYS; |
1393 | RETVAL = errno = ENOSYS; /* yes, this is actually correct */ |
1203 | #endif |
1394 | #endif |
1204 | } |
|
|
1205 | OUTPUT: |
1395 | OUTPUT: |
1206 | RETVAL |
1396 | RETVAL |
1207 | |
1397 | |
1208 | ssize_t |
1398 | ssize_t |
1209 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1399 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1210 | PROTOTYPE: $$$$ |
1400 | PROTOTYPE: $$$$ |
1211 | CODE: |
1401 | CODE: |
1212 | eio_sendfile_sync (ofh, ifh, offset, count); |
1402 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1403 | OUTPUT: |
|
|
1404 | RETVAL |
|
|
1405 | |
|
|
1406 | void |
|
|
1407 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1408 | PROTOTYPE: $$$$$;$ |
|
|
1409 | PPCODE: |
|
|
1410 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1411 | { |
|
|
1412 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1413 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1414 | if (addr == (void *)-1) |
|
|
1415 | XSRETURN_NO; |
|
|
1416 | |
|
|
1417 | sv_force_normal (scalar); |
|
|
1418 | |
|
|
1419 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1420 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1421 | ->mg_obj = (SV *)length; |
|
|
1422 | |
|
|
1423 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1424 | |
|
|
1425 | if (!(prot & PROT_WRITE)) |
|
|
1426 | SvREADONLY_on (scalar); |
|
|
1427 | |
|
|
1428 | if (SvLEN (scalar)) |
|
|
1429 | Safefree (SvPVX (scalar)); |
|
|
1430 | |
|
|
1431 | SvPVX (scalar) = (char *)addr; |
|
|
1432 | SvCUR_set (scalar, length); |
|
|
1433 | SvLEN_set (scalar, 0); |
|
|
1434 | SvPOK_only (scalar); |
|
|
1435 | |
|
|
1436 | XSRETURN_YES; |
|
|
1437 | } |
|
|
1438 | |
|
|
1439 | void |
|
|
1440 | munmap (SV *scalar) |
|
|
1441 | PROTOTYPE: $ |
|
|
1442 | CODE: |
|
|
1443 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1444 | |
|
|
1445 | int |
|
|
1446 | madvise (SV *scalar, off_t offset, off_t length, IV advice) |
|
|
1447 | PROTOTYPE: $$$$ |
|
|
1448 | CODE: |
|
|
1449 | { |
|
|
1450 | char *addr = SvPV_nolen (scalar) + offset; |
|
|
1451 | |
|
|
1452 | if (!SvOK (ST (2))) |
|
|
1453 | length = SvCUR (scalar) - offset; |
|
|
1454 | |
|
|
1455 | if (addr >= SvEND (scalar) || length <= 0) |
|
|
1456 | XSRETURN_EMPTY; |
|
|
1457 | |
|
|
1458 | #if _XOPEN_SOURCE >= 600 && !NO_MADVISE |
|
|
1459 | RETVAL = posix_madvise (addr, length, advice); |
|
|
1460 | #else |
|
|
1461 | RETVAL = errno = ENOSYS; /* yes, this is actually correct */ |
|
|
1462 | #endif |
|
|
1463 | } |
|
|
1464 | OUTPUT: |
|
|
1465 | RETVAL |
|
|
1466 | |
|
|
1467 | int |
|
|
1468 | mlockall (int flags) |
|
|
1469 | PROTOTYPE: $ |
|
|
1470 | CODE: |
|
|
1471 | #if _POSIX_MEMLOCK |
|
|
1472 | #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
|
|
1473 | extern int mallopt (int, int); |
|
|
1474 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
|
|
1475 | #endif |
|
|
1476 | mlockall (flags); |
|
|
1477 | #else |
|
|
1478 | RETVAL = -1; |
|
|
1479 | errno = ENOSYS; |
|
|
1480 | #endif |
|
|
1481 | OUTPUT: |
|
|
1482 | RETVAL |
|
|
1483 | |
|
|
1484 | int |
|
|
1485 | munlockall () |
|
|
1486 | PROTOTYPE: |
|
|
1487 | CODE: |
|
|
1488 | #if _POSIX_MEMLOCK |
|
|
1489 | munlockall (); |
|
|
1490 | #else |
|
|
1491 | RETVAL = -1; |
|
|
1492 | errno = ENOSYS; |
|
|
1493 | #endif |
|
|
1494 | OUTPUT: |
|
|
1495 | RETVAL |
1213 | |
1496 | |
1214 | void _on_next_submit (SV *cb) |
1497 | void _on_next_submit (SV *cb) |
1215 | CODE: |
1498 | CODE: |
1216 | SvREFCNT_dec (on_next_submit); |
1499 | SvREFCNT_dec (on_next_submit); |
1217 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1500 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
… | |
… | |
1232 | if (GIMME_V != G_VOID) |
1515 | if (GIMME_V != G_VOID) |
1233 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
1516 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
1234 | |
1517 | |
1235 | if (items > 1) |
1518 | if (items > 1) |
1236 | { |
1519 | { |
1237 | SV *cb_cv = get_cb (callback); |
1520 | SV *cb_cv =get_cb (callback); |
1238 | |
1521 | |
1239 | SvREFCNT_dec (req->callback); |
1522 | SvREFCNT_dec (req->callback); |
1240 | req->callback = SvREFCNT_inc (cb_cv); |
1523 | req->callback = SvREFCNT_inc (cb_cv); |
1241 | } |
1524 | } |
1242 | } |
1525 | } |