… | |
… | |
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_MEMLOCK_RANGE || _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; |
|
|
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; \ |
114 | SV *self; |
119 | SV *self; |
115 | |
120 | |
116 | #define EIO_NO_WRAPPERS 1 |
121 | #define EIO_NO_WRAPPERS 1 |
117 | |
122 | |
|
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123 | #include "libeio/config.h" |
118 | #include "libeio/eio.h" |
124 | #include "libeio/eio.h" |
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125 | |
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126 | /* Linux/others */ |
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127 | #ifndef O_ASYNC |
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128 | # define O_ASYNC 0 |
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129 | #endif |
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130 | #ifndef O_DIRECT |
|
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131 | # define O_DIRECT 0 |
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132 | #endif |
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133 | #ifndef O_NOATIME |
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134 | # define O_NOATIME 0 |
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135 | #endif |
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136 | |
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137 | /* POSIX */ |
|
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138 | #ifndef O_CLOEXEC |
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139 | # define O_CLOEXEC 0 |
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140 | #endif |
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141 | #ifndef O_NOFOLLOW |
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142 | # define O_NOFOLLOW 0 |
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143 | #endif |
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144 | #ifndef O_NOCTTY |
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145 | # define O_NOCTTY 0 |
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146 | #endif |
|
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147 | #ifndef O_NONBLOCK |
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148 | # define O_NONBLOCK 0 |
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149 | #endif |
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150 | #ifndef O_EXEC |
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151 | # define O_EXEC 0 |
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152 | #endif |
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153 | #ifndef O_SEARCH |
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154 | # define O_SEARCH 0 |
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155 | #endif |
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156 | #ifndef O_DIRECTORY |
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157 | # define O_DIRECTORY 0 |
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158 | #endif |
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159 | #ifndef O_DSYNC |
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160 | # define O_DSYNC 0 |
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161 | #endif |
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162 | #ifndef O_RSYNC |
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163 | # define O_RSYNC 0 |
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164 | #endif |
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165 | #ifndef O_SYNC |
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166 | # define O_SYNC 0 |
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167 | #endif |
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168 | #ifndef O_TTY_INIT |
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169 | # define O_TTY_INIT 0 |
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170 | #endif |
119 | |
171 | |
120 | #ifndef POSIX_FADV_NORMAL |
172 | #ifndef POSIX_FADV_NORMAL |
121 | # define POSIX_FADV_NORMAL 0 |
173 | # define POSIX_FADV_NORMAL 0 |
122 | #endif |
174 | #endif |
123 | |
|
|
124 | #ifndef POSIX_FADV_SEQUENTIAL |
175 | #ifndef POSIX_FADV_SEQUENTIAL |
125 | # define POSIX_FADV_SEQUENTIAL 0 |
176 | # define POSIX_FADV_SEQUENTIAL 0 |
126 | #endif |
177 | #endif |
127 | |
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128 | #ifndef POSIX_FADV_RANDOM |
178 | #ifndef POSIX_FADV_RANDOM |
129 | # define POSIX_FADV_RANDOM 0 |
179 | # define POSIX_FADV_RANDOM 0 |
130 | #endif |
180 | #endif |
131 | |
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132 | #ifndef POSIX_FADV_NOREUSE |
181 | #ifndef POSIX_FADV_NOREUSE |
133 | # define POSIX_FADV_NOREUSE 0 |
182 | # define POSIX_FADV_NOREUSE 0 |
134 | #endif |
183 | #endif |
135 | |
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136 | #ifndef POSIX_FADV_WILLNEED |
184 | #ifndef POSIX_FADV_WILLNEED |
137 | # define POSIX_FADV_WILLNEED 0 |
185 | # define POSIX_FADV_WILLNEED 0 |
138 | #endif |
186 | #endif |
139 | |
|
|
140 | #ifndef POSIX_FADV_DONTNEED |
187 | #ifndef POSIX_FADV_DONTNEED |
141 | # define POSIX_FADV_DONTNEED 0 |
188 | # define POSIX_FADV_DONTNEED 0 |
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189 | #endif |
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190 | |
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191 | #if !HAVE_POSIX_FADVISE |
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192 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
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193 | #endif |
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194 | |
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195 | #ifndef POSIX_MADV_NORMAL |
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196 | # define POSIX_MADV_NORMAL 0 |
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197 | #endif |
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198 | #ifndef POSIX_MADV_SEQUENTIAL |
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199 | # define POSIX_MADV_SEQUENTIAL 0 |
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200 | #endif |
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201 | #ifndef POSIX_MADV_RANDOM |
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202 | # define POSIX_MADV_RANDOM 0 |
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203 | #endif |
|
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204 | #ifndef POSIX_MADV_WILLNEED |
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205 | # define POSIX_MADV_WILLNEED 0 |
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206 | #endif |
|
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207 | #ifndef POSIX_MADV_DONTNEED |
|
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208 | # define POSIX_MADV_DONTNEED 0 |
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209 | #endif |
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210 | |
|
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211 | #if !HAVE_POSIX_MADVISE |
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212 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
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213 | #endif |
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214 | |
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215 | #ifndef PROT_NONE |
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216 | # define PROT_NONE 0 |
|
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217 | #endif |
|
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218 | #ifndef PROT_READ |
|
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219 | # define PROT_READ 0 |
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220 | #endif |
|
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221 | #ifndef PROT_WRITE |
|
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222 | # define PROT_READ 0 |
|
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223 | #endif |
|
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224 | #ifndef PROT_EXEC |
|
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225 | # define PROT_EXEC 0 |
|
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226 | #endif |
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227 | |
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228 | #ifndef ST_NODEV |
|
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229 | # define ST_NODEV 0 |
|
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230 | #endif |
|
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231 | #ifndef ST_NOEXEC |
|
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232 | # define ST_NOEXEC 0 |
|
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233 | #endif |
|
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234 | #ifndef ST_SYNCHRONOUS |
|
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235 | # define ST_SYNCHRONOUS 0 |
|
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236 | #endif |
|
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237 | #ifndef ST_MANDLOCK |
|
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238 | # define ST_MANDLOCK 0 |
|
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239 | #endif |
|
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240 | #ifndef ST_WRITE |
|
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241 | # define ST_WRITE 0 |
|
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242 | #endif |
|
|
243 | #ifndef ST_APPEND |
|
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244 | # define ST_APPEND 0 |
|
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245 | #endif |
|
|
246 | #ifndef ST_IMMUTABLE |
|
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247 | # define ST_IMMUTABLE 0 |
|
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248 | #endif |
|
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249 | #ifndef ST_NOATIME |
|
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250 | # define ST_NOATIME 0 |
|
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251 | #endif |
|
|
252 | #ifndef ST_NODIRATIME |
|
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253 | # define ST_NODIRATIME 0 |
|
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254 | #endif |
|
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255 | #ifndef ST_RELATIME |
|
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256 | # define ST_RELATIME 0 |
|
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257 | #endif |
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258 | |
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259 | #ifndef S_IFIFO |
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260 | # define S_IFIFO 0 |
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261 | #endif |
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262 | #ifndef S_IFCHR |
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263 | # define S_IFCHR 0 |
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264 | #endif |
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265 | #ifndef S_IFBLK |
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266 | # define S_IFBLK 0 |
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267 | #endif |
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268 | #ifndef S_IFLNK |
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269 | # define S_IFLNK 0 |
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270 | #endif |
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271 | #ifndef S_IFREG |
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272 | # define S_IFREG 0 |
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273 | #endif |
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274 | #ifndef S_IFDIR |
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275 | # define S_IFDIR 0 |
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276 | #endif |
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277 | #ifndef S_IFWHT |
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278 | # define S_IFWHT 0 |
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279 | #endif |
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280 | #ifndef S_IFSOCK |
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281 | # define S_IFSOCK 0 |
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282 | #endif |
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283 | |
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284 | #ifndef MAP_ANONYMOUS |
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285 | # ifdef MAP_ANON |
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286 | # define MAP_ANONYMOUS MAP_ANON |
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287 | # else |
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288 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
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289 | # endif |
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290 | #endif |
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291 | #ifndef MAP_HUGETLB |
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292 | # define MAP_HUGETLB 0 |
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293 | #endif |
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294 | #ifndef MAP_LOCKED |
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295 | # define MAP_LOCKED 0 |
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296 | #endif |
|
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297 | #ifndef MAP_NORESERVE |
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298 | # define MAP_NORESERVE 0 |
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299 | #endif |
|
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300 | #ifndef MAP_POPULATE |
|
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301 | # define MAP_POPULATE 0 |
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302 | #endif |
|
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303 | #ifndef MAP_NONBLOCK |
|
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304 | # define MAP_NONBLOCK 0 |
|
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305 | #endif |
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306 | |
|
|
307 | #ifndef makedev |
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308 | # define makedev(maj,min) (((maj) << 8) | (min)) |
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309 | #endif |
|
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310 | #ifndef major |
|
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311 | # define major(dev) ((dev) >> 8) |
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312 | #endif |
|
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313 | #ifndef minor |
|
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314 | # define minor(dev) ((dev) & 0xff) |
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315 | #endif |
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316 | |
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317 | #ifndef PAGESIZE |
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318 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
142 | #endif |
319 | #endif |
143 | |
320 | |
144 | static int req_invoke (eio_req *req); |
321 | static int req_invoke (eio_req *req); |
145 | #define EIO_FINISH(req) req_invoke (req) |
322 | #define EIO_FINISH(req) req_invoke (req) |
146 | static void req_destroy (eio_req *grp); |
323 | static void req_destroy (eio_req *grp); |
… | |
… | |
157 | |
334 | |
158 | static SV *on_next_submit; |
335 | static SV *on_next_submit; |
159 | static int next_pri = EIO_PRI_DEFAULT; |
336 | static int next_pri = EIO_PRI_DEFAULT; |
160 | static int max_outstanding; |
337 | static int max_outstanding; |
161 | |
338 | |
162 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
339 | static s_epipe respipe; |
163 | |
340 | |
164 | static void req_destroy (aio_req req); |
341 | static void req_destroy (aio_req req); |
165 | static void req_cancel (aio_req req); |
342 | static void req_cancel (aio_req req); |
166 | |
343 | |
167 | static void want_poll (void) |
344 | static void want_poll (void) |
168 | { |
345 | { |
169 | /* write a dummy byte to the pipe so fh becomes ready */ |
346 | /* write a dummy byte to the pipe so fh becomes ready */ |
170 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
347 | s_epipe_signal (&respipe); |
171 | } |
348 | } |
172 | |
349 | |
173 | static void done_poll (void) |
350 | static void done_poll (void) |
174 | { |
351 | { |
175 | /* read any signals sent by the worker threads */ |
352 | /* read any signals sent by the worker threads */ |
176 | char buf [4]; |
353 | s_epipe_drain (&respipe); |
177 | while (respipe_read (respipe [0], buf, 4) == 4) |
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178 | ; |
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179 | } |
354 | } |
180 | |
355 | |
181 | /* must be called at most once */ |
356 | /* must be called at most once */ |
182 | static SV *req_sv (aio_req req, const char *klass) |
357 | static SV *req_sv (aio_req req, HV *stash) |
183 | { |
358 | { |
184 | if (!req->self) |
359 | if (!req->self) |
185 | { |
360 | { |
186 | req->self = (SV *)newHV (); |
361 | req->self = (SV *)newHV (); |
187 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
362 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
188 | } |
363 | } |
189 | |
364 | |
190 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
365 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
191 | } |
366 | } |
192 | |
367 | |
193 | static aio_req SvAIO_REQ (SV *sv) |
368 | static aio_req SvAIO_REQ (SV *sv) |
194 | { |
369 | { |
195 | MAGIC *mg; |
370 | MAGIC *mg; |
196 | |
371 | |
197 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
372 | if (!SvROK (sv) |
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373 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
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374 | && SvSTASH (SvRV (sv)) != aio_req_stash |
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375 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
198 | croak ("object of class " AIO_REQ_KLASS " expected"); |
376 | croak ("object of class IO::AIO::REQ expected"); |
199 | |
377 | |
200 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
378 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
201 | |
379 | |
202 | return mg ? (aio_req)mg->mg_ptr : 0; |
380 | return mg ? (aio_req)mg->mg_ptr : 0; |
203 | } |
381 | } |
… | |
… | |
209 | dSP; |
387 | dSP; |
210 | |
388 | |
211 | ENTER; |
389 | ENTER; |
212 | SAVETMPS; |
390 | SAVETMPS; |
213 | PUSHMARK (SP); |
391 | PUSHMARK (SP); |
214 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
392 | XPUSHs (req_sv (grp, aio_grp_stash)); |
215 | PUTBACK; |
393 | PUTBACK; |
216 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
394 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
217 | SPAGAIN; |
395 | SPAGAIN; |
218 | FREETMPS; |
396 | FREETMPS; |
219 | LEAVE; |
397 | LEAVE; |
… | |
… | |
237 | } |
415 | } |
238 | } |
416 | } |
239 | |
417 | |
240 | static int req_invoke (eio_req *req) |
418 | static int req_invoke (eio_req *req) |
241 | { |
419 | { |
242 | dSP; |
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243 | |
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244 | if (req->flags & FLAG_SV2_RO_OFF) |
420 | if (req->flags & FLAG_SV2_RO_OFF) |
245 | SvREADONLY_off (req->sv2); |
421 | SvREADONLY_off (req->sv2); |
246 | |
422 | |
247 | if (!EIO_CANCELLED (req) && req->callback) |
423 | if (!EIO_CANCELLED (req) && req->callback) |
248 | { |
424 | { |
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425 | dSP; |
|
|
426 | static SV *sv_result_cache; /* caches the result integer SV */ |
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427 | SV *sv_result; |
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428 | |
249 | ENTER; |
429 | ENTER; |
250 | SAVETMPS; |
430 | SAVETMPS; |
251 | PUSHMARK (SP); |
431 | PUSHMARK (SP); |
252 | EXTEND (SP, 1); |
432 | EXTEND (SP, 1); |
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433 | |
|
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434 | /* do not recreate the result IV from scratch each time */ |
|
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435 | if (expect_true (sv_result_cache)) |
|
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436 | { |
|
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437 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
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438 | SvIV_set (sv_result, req->result); |
|
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439 | SvIOK_only (sv_result); |
|
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440 | } |
|
|
441 | else |
|
|
442 | { |
|
|
443 | sv_result = newSViv (req->result); |
|
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444 | SvREADONLY_on (sv_result); |
|
|
445 | } |
253 | |
446 | |
254 | switch (req->type) |
447 | switch (req->type) |
255 | { |
448 | { |
256 | case EIO_READDIR: |
449 | case EIO_READDIR: |
257 | { |
450 | { |
… | |
… | |
325 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
518 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
326 | char sym [64]; |
519 | char sym [64]; |
327 | int symlen; |
520 | int symlen; |
328 | |
521 | |
329 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
522 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
330 | gv_init (gv, stash, sym, symlen, 0); |
523 | gv_init (gv, aio_stash, sym, symlen, 0); |
331 | |
524 | |
332 | symlen = snprintf ( |
525 | symlen = snprintf ( |
333 | sym, |
526 | sym, |
334 | sizeof (sym), |
527 | sizeof (sym), |
335 | "%s&=%d", |
528 | "%s&=%d", |
… | |
… | |
343 | |
536 | |
344 | PUSHs (fh); |
537 | PUSHs (fh); |
345 | } |
538 | } |
346 | break; |
539 | break; |
347 | |
540 | |
|
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541 | case EIO_STATVFS: |
|
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542 | case EIO_FSTATVFS: |
|
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543 | { |
|
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544 | SV *rv = &PL_sv_undef; |
|
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545 | |
|
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546 | if (req->result >= 0) |
|
|
547 | { |
|
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548 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
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549 | HV *hv = newHV (); |
|
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550 | |
|
|
551 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
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552 | |
|
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553 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
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554 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
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555 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
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556 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
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557 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
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558 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
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559 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
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560 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
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561 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
|
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562 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
563 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
564 | } |
|
|
565 | |
|
|
566 | PUSHs (rv); |
|
|
567 | } |
|
|
568 | |
|
|
569 | break; |
|
|
570 | |
348 | case EIO_GROUP: |
571 | case EIO_GROUP: |
349 | req->int1 = 2; /* mark group as finished */ |
572 | req->int1 = 2; /* mark group as finished */ |
350 | |
573 | |
351 | if (req->sv1) |
574 | if (req->sv1) |
352 | { |
575 | { |
… | |
… | |
362 | case EIO_NOP: |
585 | case EIO_NOP: |
363 | case EIO_BUSY: |
586 | case EIO_BUSY: |
364 | break; |
587 | break; |
365 | |
588 | |
366 | case EIO_READLINK: |
589 | case EIO_READLINK: |
|
|
590 | case EIO_REALPATH: |
367 | if (req->result > 0) |
591 | if (req->result > 0) |
368 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
592 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
369 | break; |
593 | break; |
370 | |
594 | |
371 | case EIO_STAT: |
595 | case EIO_STAT: |
372 | case EIO_LSTAT: |
596 | case EIO_LSTAT: |
373 | case EIO_FSTAT: |
597 | case EIO_FSTAT: |
374 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
598 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
375 | PL_laststatval = req->result; |
599 | PL_laststatval = req->result; |
376 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
600 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
377 | PUSHs (sv_2mortal (newSViv (req->result))); |
601 | PUSHs (sv_result); |
378 | break; |
602 | break; |
379 | |
603 | |
380 | case EIO_READ: |
604 | case EIO_READ: |
381 | { |
605 | { |
382 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
606 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
383 | *SvEND (req->sv2) = 0; |
607 | *SvEND (req->sv2) = 0; |
384 | SvPOK_only (req->sv2); |
608 | SvPOK_only (req->sv2); |
385 | SvSETMAGIC (req->sv2); |
609 | SvSETMAGIC (req->sv2); |
386 | PUSHs (sv_2mortal (newSViv (req->result))); |
610 | PUSHs (sv_result); |
387 | } |
611 | } |
388 | break; |
612 | break; |
389 | |
613 | |
390 | case EIO_DUP2: |
614 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
391 | if (req->result > 0) |
615 | if (req->result > 0) |
392 | req->result = 0; |
616 | SvIV_set (sv_result, 0); |
393 | /* FALLTHROUGH */ |
617 | /* FALLTHROUGH */ |
394 | |
618 | |
395 | default: |
619 | default: |
396 | PUSHs (sv_2mortal (newSViv (req->result))); |
620 | PUSHs (sv_result); |
397 | break; |
621 | break; |
398 | } |
622 | } |
399 | |
623 | |
400 | errno = req->errorno; |
624 | errno = req->errorno; |
401 | |
625 | |
402 | PUTBACK; |
626 | PUTBACK; |
403 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
627 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
404 | SPAGAIN; |
628 | SPAGAIN; |
|
|
629 | |
|
|
630 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
631 | SvREFCNT_dec (sv_result); |
|
|
632 | else |
|
|
633 | sv_result_cache = sv_result; |
405 | |
634 | |
406 | FREETMPS; |
635 | FREETMPS; |
407 | LEAVE; |
636 | LEAVE; |
408 | |
637 | |
409 | PUTBACK; |
638 | PUTBACK; |
… | |
… | |
438 | grp->sv2 = 0; |
667 | grp->sv2 = 0; |
439 | |
668 | |
440 | eio_grp_cancel (grp); |
669 | eio_grp_cancel (grp); |
441 | } |
670 | } |
442 | |
671 | |
443 | #ifdef USE_SOCKETS_AS_HANDLES |
|
|
444 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
|
|
445 | #else |
|
|
446 | # define TO_SOCKET(x) (x) |
|
|
447 | #endif |
|
|
448 | |
|
|
449 | static void |
|
|
450 | create_respipe (void) |
672 | static void create_respipe (void) |
451 | { |
673 | { |
452 | int old_readfd = respipe [0]; |
|
|
453 | |
|
|
454 | if (respipe [1] >= 0) |
|
|
455 | respipe_close (TO_SOCKET (respipe [1])); |
|
|
456 | |
|
|
457 | #ifdef _WIN32 |
|
|
458 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
|
|
459 | #else |
|
|
460 | if (pipe (respipe)) |
674 | if (s_epipe_renew (&respipe)) |
461 | #endif |
|
|
462 | croak ("unable to initialize result pipe"); |
675 | croak ("IO::AIO: unable to initialize result pipe"); |
463 | |
|
|
464 | if (old_readfd >= 0) |
|
|
465 | { |
|
|
466 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
|
|
467 | croak ("unable to initialize result pipe(2)"); |
|
|
468 | |
|
|
469 | respipe_close (respipe [0]); |
|
|
470 | respipe [0] = old_readfd; |
|
|
471 | } |
|
|
472 | |
|
|
473 | #ifdef _WIN32 |
|
|
474 | int arg = 1; |
|
|
475 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
|
|
476 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
|
|
477 | #else |
|
|
478 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
|
|
479 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
480 | #endif |
|
|
481 | croak ("unable to initialize result pipe(3)"); |
|
|
482 | |
|
|
483 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
|
|
484 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
|
|
485 | } |
676 | } |
486 | |
677 | |
487 | static void poll_wait (void) |
678 | static void poll_wait (void) |
488 | { |
679 | { |
489 | fd_set rfd; |
|
|
490 | |
|
|
491 | while (eio_nreqs ()) |
680 | while (eio_nreqs ()) |
492 | { |
681 | { |
493 | int size; |
682 | int size; |
494 | |
683 | |
495 | X_LOCK (reslock); |
684 | X_LOCK (reslock); |
… | |
… | |
499 | if (size) |
688 | if (size) |
500 | return; |
689 | return; |
501 | |
690 | |
502 | etp_maybe_start_thread (); |
691 | etp_maybe_start_thread (); |
503 | |
692 | |
504 | FD_ZERO (&rfd); |
693 | s_epipe_wait (&respipe); |
505 | FD_SET (respipe [0], &rfd); |
|
|
506 | |
|
|
507 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
508 | } |
694 | } |
509 | } |
695 | } |
510 | |
696 | |
511 | static int poll_cb (void) |
697 | static int poll_cb (void) |
512 | { |
698 | { |
… | |
… | |
527 | static void atfork_child (void) |
713 | static void atfork_child (void) |
528 | { |
714 | { |
529 | create_respipe (); |
715 | create_respipe (); |
530 | } |
716 | } |
531 | |
717 | |
532 | static SV * |
718 | /*****************************************************************************/ |
533 | get_cb (SV *cb_sv) |
|
|
534 | { |
|
|
535 | HV *st; |
|
|
536 | GV *gvp; |
|
|
537 | CV *cv; |
|
|
538 | |
719 | |
539 | if (!SvOK (cb_sv)) |
720 | #if !_POSIX_MAPPED_FILES |
|
|
721 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
|
|
722 | # define munmap(addr,length) (errno = ENOSYS, -1) |
|
|
723 | #endif |
|
|
724 | |
|
|
725 | #if !_POSIX_MEMORY_PROTECTION |
|
|
726 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
|
|
727 | # define PROT_NONE 0 |
|
|
728 | # define PROT_WRITE 0 |
|
|
729 | # define MAP_PRIVATE 0 |
|
|
730 | # define MAP_SHARED 0 |
|
|
731 | # define MAP_FIXED 0 |
|
|
732 | #endif |
|
|
733 | |
|
|
734 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
735 | |
|
|
736 | static int mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
737 | { |
|
|
738 | int old_errno = errno; |
|
|
739 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
740 | errno = old_errno; |
|
|
741 | |
|
|
742 | mg->mg_obj = 0; /* just in case */ |
|
|
743 | |
|
|
744 | SvREADONLY_off (sv); |
|
|
745 | |
|
|
746 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
747 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
748 | |
|
|
749 | SvCUR_set (sv, 0); |
|
|
750 | SvPVX (sv) = 0; |
|
|
751 | SvOK_off (sv); |
|
|
752 | |
540 | return 0; |
753 | return 0; |
|
|
754 | } |
541 | |
755 | |
542 | cv = sv_2cv (cb_sv, &st, &gvp, 0); |
756 | static MGVTBL mmap_vtbl = { |
|
|
757 | 0, 0, 0, 0, mmap_free |
|
|
758 | }; |
543 | |
759 | |
544 | if (!cv) |
760 | /*****************************************************************************/ |
545 | croak ("IO::AIO callback must be undef or a CODE reference"); |
|
|
546 | |
761 | |
547 | return (SV *)cv; |
762 | static SV * get_cb (SV *cb_sv) |
|
|
763 | { |
|
|
764 | SvGETMAGIC (cb_sv); |
|
|
765 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
548 | } |
766 | } |
549 | |
767 | |
550 | #define dREQ \ |
768 | #define dREQ \ |
551 | SV *cb_cv; \ |
769 | SV *cb_cv; \ |
552 | aio_req req; \ |
770 | aio_req req; \ |
… | |
… | |
566 | PUTBACK; \ |
784 | PUTBACK; \ |
567 | req_submit (req); \ |
785 | req_submit (req); \ |
568 | SPAGAIN; \ |
786 | SPAGAIN; \ |
569 | \ |
787 | \ |
570 | if (GIMME_V != G_VOID) \ |
788 | if (GIMME_V != G_VOID) \ |
571 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
789 | XPUSHs (req_sv (req, aio_req_stash)); |
572 | |
|
|
573 | static int |
|
|
574 | extract_fd (SV *fh, int wr) |
|
|
575 | { |
|
|
576 | int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); |
|
|
577 | |
|
|
578 | if (fd < 0) |
|
|
579 | croak ("illegal fh argument, either not an OS file or read/write mode mismatch"); |
|
|
580 | |
|
|
581 | return fd; |
|
|
582 | } |
|
|
583 | |
790 | |
584 | MODULE = IO::AIO PACKAGE = IO::AIO |
791 | MODULE = IO::AIO PACKAGE = IO::AIO |
585 | |
792 | |
586 | PROTOTYPES: ENABLE |
793 | PROTOTYPES: ENABLE |
587 | |
794 | |
… | |
… | |
589 | { |
796 | { |
590 | static const struct { |
797 | static const struct { |
591 | const char *name; |
798 | const char *name; |
592 | IV iv; |
799 | IV iv; |
593 | } *civ, const_iv[] = { |
800 | } *civ, const_iv[] = { |
594 | # define const_iv(name, value) { # name, (IV) value }, |
801 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
802 | # define const_iv(name) { # name, (IV) name }, |
595 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
803 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
596 | const_iv (EXDEV , EXDEV) |
804 | const_iv (EXDEV) |
597 | const_iv (ENOSYS , ENOSYS) |
805 | const_iv (ENOSYS) |
598 | const_iv (O_RDONLY, O_RDONLY) |
806 | const_iv (O_RDONLY) |
599 | const_iv (O_WRONLY, O_WRONLY) |
807 | const_iv (O_WRONLY) |
|
|
808 | const_iv (O_RDWR) |
600 | const_iv (O_CREAT , O_CREAT) |
809 | const_iv (O_CREAT) |
601 | const_iv (O_TRUNC , O_TRUNC) |
810 | const_iv (O_TRUNC) |
602 | #ifndef _WIN32 |
811 | const_iv (O_EXCL) |
|
|
812 | const_iv (O_APPEND) |
|
|
813 | |
|
|
814 | const_iv (O_ASYNC) |
|
|
815 | const_iv (O_DIRECT) |
|
|
816 | const_iv (O_NOATIME) |
|
|
817 | |
|
|
818 | const_iv (O_CLOEXEC) |
|
|
819 | const_iv (O_NOCTTY) |
|
|
820 | const_iv (O_NOFOLLOW) |
|
|
821 | const_iv (O_NONBLOCK) |
|
|
822 | const_iv (O_EXEC) |
|
|
823 | const_iv (O_SEARCH) |
|
|
824 | const_iv (O_DIRECTORY) |
|
|
825 | const_iv (O_DSYNC) |
|
|
826 | const_iv (O_RSYNC) |
|
|
827 | const_iv (O_SYNC) |
|
|
828 | const_iv (O_TTY_INIT) |
|
|
829 | |
603 | const_iv (S_IFIFO , S_IFIFO) |
830 | const_iv (S_IFIFO) |
604 | #endif |
831 | const_iv (S_IFCHR) |
|
|
832 | const_iv (S_IFBLK) |
|
|
833 | const_iv (S_IFLNK) |
|
|
834 | const_iv (S_IFREG) |
|
|
835 | const_iv (S_IFDIR) |
|
|
836 | const_iv (S_IFWHT) |
|
|
837 | const_iv (S_IFSOCK) |
|
|
838 | const_iv (S_IFMT) |
|
|
839 | |
605 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
840 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
606 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
841 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
607 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
842 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
608 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
843 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
609 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
844 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
610 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
845 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
846 | |
|
|
847 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
848 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
849 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
850 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
851 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
852 | |
|
|
853 | const_iv (ST_RDONLY) |
|
|
854 | const_iv (ST_NOSUID) |
|
|
855 | const_iv (ST_NODEV) |
|
|
856 | const_iv (ST_NOEXEC) |
|
|
857 | const_iv (ST_SYNCHRONOUS) |
|
|
858 | const_iv (ST_MANDLOCK) |
|
|
859 | const_iv (ST_WRITE) |
|
|
860 | const_iv (ST_APPEND) |
|
|
861 | const_iv (ST_IMMUTABLE) |
|
|
862 | const_iv (ST_NOATIME) |
|
|
863 | const_iv (ST_NODIRATIME) |
|
|
864 | const_iv (ST_RELATIME) |
|
|
865 | |
|
|
866 | const_iv (PROT_NONE) |
|
|
867 | const_iv (PROT_EXEC) |
|
|
868 | const_iv (PROT_READ) |
|
|
869 | const_iv (PROT_WRITE) |
|
|
870 | |
|
|
871 | /*const_iv (MAP_FIXED)*/ |
|
|
872 | const_iv (MAP_PRIVATE) |
|
|
873 | const_iv (MAP_SHARED) |
|
|
874 | const_iv (MAP_ANONYMOUS) |
|
|
875 | |
|
|
876 | /* linuxish */ |
|
|
877 | const_iv (MAP_HUGETLB) |
|
|
878 | const_iv (MAP_LOCKED) |
|
|
879 | const_iv (MAP_NORESERVE) |
|
|
880 | const_iv (MAP_POPULATE) |
|
|
881 | const_iv (MAP_NONBLOCK) |
|
|
882 | |
|
|
883 | const_eio (MCL_FUTURE) |
|
|
884 | const_eio (MCL_CURRENT) |
|
|
885 | |
|
|
886 | const_eio (MS_ASYNC) |
|
|
887 | const_eio (MS_INVALIDATE) |
|
|
888 | const_eio (MS_SYNC) |
|
|
889 | |
|
|
890 | const_eio (MT_MODIFY) |
611 | |
891 | |
612 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
892 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
613 | const_eio (SYNC_FILE_RANGE_WRITE) |
893 | const_eio (SYNC_FILE_RANGE_WRITE) |
614 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
894 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
615 | |
895 | |
… | |
… | |
627 | const_eio (DT_LNK) |
907 | const_eio (DT_LNK) |
628 | const_eio (DT_SOCK) |
908 | const_eio (DT_SOCK) |
629 | const_eio (DT_WHT) |
909 | const_eio (DT_WHT) |
630 | }; |
910 | }; |
631 | |
911 | |
632 | stash = gv_stashpv ("IO::AIO", 1); |
912 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
913 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
914 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
633 | |
915 | |
634 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
916 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
635 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
917 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
918 | |
|
|
919 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
636 | |
920 | |
637 | create_respipe (); |
921 | create_respipe (); |
638 | |
922 | |
639 | if (eio_init (want_poll, done_poll) < 0) |
923 | if (eio_init (want_poll, done_poll) < 0) |
640 | croak ("IO::AIO: unable to initialise eio library"); |
924 | croak ("IO::AIO: unable to initialise eio library"); |
… | |
… | |
642 | /* atfork child called in fifo order, so before eio's handler */ |
926 | /* atfork child called in fifo order, so before eio's handler */ |
643 | X_THREAD_ATFORK (0, 0, atfork_child); |
927 | X_THREAD_ATFORK (0, 0, atfork_child); |
644 | } |
928 | } |
645 | |
929 | |
646 | void |
930 | void |
647 | max_poll_reqs (int nreqs) |
931 | max_poll_reqs (unsigned int nreqs) |
648 | PROTOTYPE: $ |
932 | PROTOTYPE: $ |
649 | CODE: |
933 | CODE: |
650 | eio_set_max_poll_reqs (nreqs); |
934 | eio_set_max_poll_reqs (nreqs); |
651 | |
935 | |
652 | void |
936 | void |
… | |
… | |
654 | PROTOTYPE: $ |
938 | PROTOTYPE: $ |
655 | CODE: |
939 | CODE: |
656 | eio_set_max_poll_time (nseconds); |
940 | eio_set_max_poll_time (nseconds); |
657 | |
941 | |
658 | void |
942 | void |
659 | min_parallel (int nthreads) |
943 | min_parallel (unsigned int nthreads) |
660 | PROTOTYPE: $ |
944 | PROTOTYPE: $ |
661 | CODE: |
945 | CODE: |
662 | eio_set_min_parallel (nthreads); |
946 | eio_set_min_parallel (nthreads); |
663 | |
947 | |
664 | void |
948 | void |
665 | max_parallel (int nthreads) |
949 | max_parallel (unsigned int nthreads) |
666 | PROTOTYPE: $ |
950 | PROTOTYPE: $ |
667 | CODE: |
951 | CODE: |
668 | eio_set_max_parallel (nthreads); |
952 | eio_set_max_parallel (nthreads); |
669 | |
953 | |
670 | void |
954 | void |
671 | max_idle (int nthreads) |
955 | max_idle (unsigned int nthreads) |
672 | PROTOTYPE: $ |
956 | PROTOTYPE: $ |
673 | CODE: |
957 | CODE: |
674 | eio_set_max_idle (nthreads); |
958 | eio_set_max_idle (nthreads); |
675 | |
959 | |
676 | void |
960 | void |
|
|
961 | idle_timeout (unsigned int seconds) |
|
|
962 | PROTOTYPE: $ |
|
|
963 | CODE: |
|
|
964 | eio_set_idle_timeout (seconds); |
|
|
965 | |
|
|
966 | void |
677 | max_outstanding (int maxreqs) |
967 | max_outstanding (unsigned int maxreqs) |
678 | PROTOTYPE: $ |
968 | PROTOTYPE: $ |
679 | CODE: |
969 | CODE: |
680 | max_outstanding = maxreqs; |
970 | max_outstanding = maxreqs; |
681 | |
971 | |
682 | void |
972 | void |
683 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
973 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
684 | PROTOTYPE: $$$;$ |
|
|
685 | PPCODE: |
974 | PPCODE: |
686 | { |
975 | { |
687 | dREQ; |
976 | dREQ; |
688 | |
977 | |
689 | req->type = EIO_OPEN; |
978 | req->type = EIO_OPEN; |
… | |
… | |
695 | REQ_SEND; |
984 | REQ_SEND; |
696 | } |
985 | } |
697 | |
986 | |
698 | void |
987 | void |
699 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
988 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
700 | PROTOTYPE: $;$ |
|
|
701 | ALIAS: |
989 | ALIAS: |
702 | aio_fsync = EIO_FSYNC |
990 | aio_fsync = EIO_FSYNC |
703 | aio_fdatasync = EIO_FDATASYNC |
991 | aio_fdatasync = EIO_FDATASYNC |
704 | PPCODE: |
992 | PPCODE: |
705 | { |
993 | { |
706 | int fd = extract_fd (fh, 0); |
994 | int fd = s_fileno_croak (fh, 0); |
707 | dREQ; |
995 | dREQ; |
708 | |
996 | |
709 | req->type = ix; |
997 | req->type = ix; |
710 | req->sv1 = newSVsv (fh); |
998 | req->sv1 = newSVsv (fh); |
711 | req->int1 = fd; |
999 | req->int1 = fd; |
… | |
… | |
713 | REQ_SEND (req); |
1001 | REQ_SEND (req); |
714 | } |
1002 | } |
715 | |
1003 | |
716 | void |
1004 | void |
717 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
1005 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
718 | PROTOTYPE: $$$$;$ |
|
|
719 | PPCODE: |
1006 | PPCODE: |
720 | { |
1007 | { |
721 | int fd = extract_fd (fh, 0); |
1008 | int fd = s_fileno_croak (fh, 0); |
722 | dREQ; |
1009 | dREQ; |
723 | |
1010 | |
724 | req->type = EIO_SYNC_FILE_RANGE; |
1011 | req->type = EIO_SYNC_FILE_RANGE; |
725 | req->sv1 = newSVsv (fh); |
1012 | req->sv1 = newSVsv (fh); |
726 | req->int1 = fd; |
1013 | req->int1 = fd; |
… | |
… | |
731 | REQ_SEND (req); |
1018 | REQ_SEND (req); |
732 | } |
1019 | } |
733 | |
1020 | |
734 | void |
1021 | void |
735 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1022 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
736 | PROTOTYPE: $;$ |
|
|
737 | PPCODE: |
1023 | PPCODE: |
738 | { |
1024 | { |
739 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
1025 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
740 | int fd = extract_fd (fh, 0); |
1026 | int fd = s_fileno_croak (fh, 0); |
741 | dREQ; |
1027 | dREQ; |
742 | |
1028 | |
743 | if (close_pipe < 0) |
1029 | if (close_pipe < 0) |
744 | { |
1030 | { |
745 | int pipefd [2]; |
1031 | int pipefd [2]; |
… | |
… | |
763 | void |
1049 | void |
764 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1050 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
765 | ALIAS: |
1051 | ALIAS: |
766 | aio_read = EIO_READ |
1052 | aio_read = EIO_READ |
767 | aio_write = EIO_WRITE |
1053 | aio_write = EIO_WRITE |
768 | PROTOTYPE: $$$$$;$ |
|
|
769 | PPCODE: |
1054 | PPCODE: |
770 | { |
1055 | { |
771 | STRLEN svlen; |
1056 | STRLEN svlen; |
772 | int fd = extract_fd (fh, ix == EIO_WRITE); |
1057 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
773 | char *svptr = SvPVbyte (data, svlen); |
1058 | char *svptr = SvPVbyte (data, svlen); |
774 | UV len = SvUV (length); |
1059 | UV len = SvUV (length); |
775 | |
1060 | |
776 | if (dataoffset < 0) |
1061 | if (dataoffset < 0) |
777 | dataoffset += svlen; |
1062 | dataoffset += svlen; |
… | |
… | |
814 | } |
1099 | } |
815 | } |
1100 | } |
816 | |
1101 | |
817 | void |
1102 | void |
818 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
1103 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
819 | PROTOTYPE: $$;$ |
1104 | ALIAS: |
|
|
1105 | aio_readlink = EIO_READLINK |
|
|
1106 | aio_realpath = EIO_REALPATH |
820 | PPCODE: |
1107 | PPCODE: |
821 | { |
1108 | { |
822 | SV *data; |
1109 | SV *data; |
823 | dREQ; |
1110 | dREQ; |
824 | |
1111 | |
825 | req->type = EIO_READLINK; |
1112 | req->type = ix; |
826 | req->sv1 = newSVsv (path); |
1113 | req->sv1 = newSVsv (path); |
827 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1114 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
828 | |
1115 | |
829 | REQ_SEND; |
1116 | REQ_SEND; |
830 | } |
1117 | } |
831 | |
1118 | |
832 | void |
1119 | void |
833 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1120 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
834 | PROTOTYPE: $$$$;$ |
|
|
835 | PPCODE: |
1121 | PPCODE: |
836 | { |
1122 | { |
837 | int ifd = extract_fd (in_fh , 0); |
1123 | int ifd = s_fileno_croak (in_fh , 0); |
838 | int ofd = extract_fd (out_fh, 0); |
1124 | int ofd = s_fileno_croak (out_fh, 1); |
839 | dREQ; |
1125 | dREQ; |
840 | |
1126 | |
841 | req->type = EIO_SENDFILE; |
1127 | req->type = EIO_SENDFILE; |
842 | req->sv1 = newSVsv (out_fh); |
1128 | req->sv1 = newSVsv (out_fh); |
843 | req->int1 = ofd; |
1129 | req->int1 = ofd; |
… | |
… | |
849 | REQ_SEND; |
1135 | REQ_SEND; |
850 | } |
1136 | } |
851 | |
1137 | |
852 | void |
1138 | void |
853 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1139 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
854 | PROTOTYPE: $$$;$ |
|
|
855 | PPCODE: |
1140 | PPCODE: |
856 | { |
1141 | { |
857 | int fd = extract_fd (fh, 0); |
1142 | int fd = s_fileno_croak (fh, 0); |
858 | dREQ; |
1143 | dREQ; |
859 | |
1144 | |
860 | req->type = EIO_READAHEAD; |
1145 | req->type = EIO_READAHEAD; |
861 | req->sv1 = newSVsv (fh); |
1146 | req->sv1 = newSVsv (fh); |
862 | req->int1 = fd; |
1147 | req->int1 = fd; |
… | |
… | |
867 | } |
1152 | } |
868 | |
1153 | |
869 | void |
1154 | void |
870 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1155 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
871 | ALIAS: |
1156 | ALIAS: |
872 | aio_stat = EIO_STAT |
1157 | aio_stat = EIO_STAT |
873 | aio_lstat = EIO_LSTAT |
1158 | aio_lstat = EIO_LSTAT |
|
|
1159 | aio_statvfs = EIO_STATVFS |
874 | PPCODE: |
1160 | PPCODE: |
875 | { |
1161 | { |
876 | dREQ; |
1162 | dREQ; |
877 | |
1163 | |
878 | req->sv1 = newSVsv (fh_or_path); |
1164 | req->sv1 = newSVsv (fh_or_path); |
… | |
… | |
882 | req->type = ix; |
1168 | req->type = ix; |
883 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1169 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
884 | } |
1170 | } |
885 | else |
1171 | else |
886 | { |
1172 | { |
887 | req->type = EIO_FSTAT; |
1173 | req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
888 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1174 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
889 | } |
1175 | } |
890 | |
1176 | |
891 | REQ_SEND; |
1177 | REQ_SEND; |
892 | } |
1178 | } |
|
|
1179 | |
|
|
1180 | UV |
|
|
1181 | major (UV dev) |
|
|
1182 | ALIAS: |
|
|
1183 | minor = 1 |
|
|
1184 | CODE: |
|
|
1185 | RETVAL = ix ? major (dev) : minor (dev); |
|
|
1186 | OUTPUT: |
|
|
1187 | RETVAL |
|
|
1188 | |
|
|
1189 | UV |
|
|
1190 | makedev (UV maj, UV min) |
|
|
1191 | CODE: |
|
|
1192 | RETVAL = makedev (maj, min); |
|
|
1193 | OUTPUT: |
|
|
1194 | RETVAL |
893 | |
1195 | |
894 | void |
1196 | void |
895 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
1197 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
896 | PPCODE: |
1198 | PPCODE: |
897 | { |
1199 | { |
… | |
… | |
1055 | |
1357 | |
1056 | REQ_SEND; |
1358 | REQ_SEND; |
1057 | } |
1359 | } |
1058 | |
1360 | |
1059 | void |
1361 | void |
|
|
1362 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1363 | ALIAS: |
|
|
1364 | aio_mtouch = EIO_MTOUCH |
|
|
1365 | aio_msync = EIO_MSYNC |
|
|
1366 | PPCODE: |
|
|
1367 | { |
|
|
1368 | STRLEN svlen; |
|
|
1369 | char *svptr = SvPVbyte (data, svlen); |
|
|
1370 | UV len = SvUV (length); |
|
|
1371 | |
|
|
1372 | if (offset < 0) |
|
|
1373 | offset += svlen; |
|
|
1374 | |
|
|
1375 | if (offset < 0 || offset > svlen) |
|
|
1376 | croak ("offset outside of scalar"); |
|
|
1377 | |
|
|
1378 | if (!SvOK (length) || len + offset > svlen) |
|
|
1379 | len = svlen - offset; |
|
|
1380 | |
|
|
1381 | { |
|
|
1382 | dREQ; |
|
|
1383 | |
|
|
1384 | req->type = ix; |
|
|
1385 | req->sv2 = SvREFCNT_inc (data); |
|
|
1386 | req->ptr2 = (char *)svptr + offset; |
|
|
1387 | req->size = len; |
|
|
1388 | req->int1 = flags; |
|
|
1389 | |
|
|
1390 | REQ_SEND; |
|
|
1391 | } |
|
|
1392 | } |
|
|
1393 | |
|
|
1394 | void |
|
|
1395 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
|
|
1396 | PPCODE: |
|
|
1397 | { |
|
|
1398 | STRLEN svlen; |
|
|
1399 | char *svptr = SvPVbyte (data, svlen); |
|
|
1400 | UV len = SvUV (length); |
|
|
1401 | |
|
|
1402 | if (offset < 0) |
|
|
1403 | offset += svlen; |
|
|
1404 | |
|
|
1405 | if (offset < 0 || offset > svlen) |
|
|
1406 | croak ("offset outside of scalar"); |
|
|
1407 | |
|
|
1408 | if (!SvOK (length) || len + offset > svlen) |
|
|
1409 | len = svlen - offset; |
|
|
1410 | |
|
|
1411 | { |
|
|
1412 | dREQ; |
|
|
1413 | |
|
|
1414 | req->type = EIO_MLOCK; |
|
|
1415 | req->sv2 = SvREFCNT_inc (data); |
|
|
1416 | req->ptr2 = (char *)svptr + offset; |
|
|
1417 | req->size = len; |
|
|
1418 | |
|
|
1419 | REQ_SEND; |
|
|
1420 | } |
|
|
1421 | } |
|
|
1422 | |
|
|
1423 | void |
|
|
1424 | aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
|
|
1425 | PPCODE: |
|
|
1426 | { |
|
|
1427 | dREQ; |
|
|
1428 | |
|
|
1429 | req->type = EIO_MLOCKALL; |
|
|
1430 | req->int1 = flags; |
|
|
1431 | |
|
|
1432 | REQ_SEND; |
|
|
1433 | } |
|
|
1434 | |
|
|
1435 | void |
1060 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1436 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1061 | PPCODE: |
1437 | PPCODE: |
1062 | { |
1438 | { |
1063 | dREQ; |
1439 | dREQ; |
1064 | |
1440 | |
… | |
… | |
1068 | REQ_SEND; |
1444 | REQ_SEND; |
1069 | } |
1445 | } |
1070 | |
1446 | |
1071 | void |
1447 | void |
1072 | aio_group (SV *callback=&PL_sv_undef) |
1448 | aio_group (SV *callback=&PL_sv_undef) |
1073 | PROTOTYPE: ;$ |
|
|
1074 | PPCODE: |
1449 | PPCODE: |
1075 | { |
1450 | { |
1076 | dREQ; |
1451 | dREQ; |
1077 | |
1452 | |
1078 | req->type = EIO_GROUP; |
1453 | req->type = EIO_GROUP; |
1079 | |
1454 | |
1080 | req_submit (req); |
1455 | req_submit (req); |
1081 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1456 | XPUSHs (req_sv (req, aio_grp_stash)); |
1082 | } |
1457 | } |
1083 | |
1458 | |
1084 | void |
1459 | void |
1085 | aio_nop (SV *callback=&PL_sv_undef) |
1460 | aio_nop (SV *callback=&PL_sv_undef) |
1086 | ALIAS: |
1461 | ALIAS: |
… | |
… | |
1095 | REQ_SEND; |
1470 | REQ_SEND; |
1096 | } |
1471 | } |
1097 | |
1472 | |
1098 | int |
1473 | int |
1099 | aioreq_pri (int pri = 0) |
1474 | aioreq_pri (int pri = 0) |
1100 | PROTOTYPE: ;$ |
|
|
1101 | CODE: |
1475 | CODE: |
1102 | RETVAL = next_pri; |
1476 | RETVAL = next_pri; |
1103 | if (items > 0) |
1477 | if (items > 0) |
1104 | { |
1478 | { |
1105 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1479 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
… | |
… | |
1117 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1491 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1118 | next_pri = nice; |
1492 | next_pri = nice; |
1119 | |
1493 | |
1120 | void |
1494 | void |
1121 | flush () |
1495 | flush () |
1122 | PROTOTYPE: |
|
|
1123 | CODE: |
1496 | CODE: |
1124 | while (eio_nreqs ()) |
1497 | while (eio_nreqs ()) |
1125 | { |
1498 | { |
1126 | poll_wait (); |
1499 | poll_wait (); |
1127 | poll_cb (); |
1500 | poll_cb (); |
1128 | } |
1501 | } |
1129 | |
1502 | |
1130 | int |
1503 | int |
1131 | poll() |
1504 | poll () |
1132 | PROTOTYPE: |
|
|
1133 | CODE: |
1505 | CODE: |
1134 | poll_wait (); |
1506 | poll_wait (); |
1135 | RETVAL = poll_cb (); |
1507 | RETVAL = poll_cb (); |
1136 | OUTPUT: |
1508 | OUTPUT: |
1137 | RETVAL |
1509 | RETVAL |
1138 | |
1510 | |
1139 | int |
1511 | int |
1140 | poll_fileno() |
1512 | poll_fileno () |
1141 | PROTOTYPE: |
|
|
1142 | CODE: |
1513 | CODE: |
1143 | RETVAL = respipe [0]; |
1514 | RETVAL = s_epipe_fd (&respipe); |
1144 | OUTPUT: |
1515 | OUTPUT: |
1145 | RETVAL |
1516 | RETVAL |
1146 | |
1517 | |
1147 | int |
1518 | int |
1148 | poll_cb(...) |
1519 | poll_cb (...) |
1149 | PROTOTYPE: |
1520 | PROTOTYPE: |
1150 | CODE: |
1521 | CODE: |
1151 | RETVAL = poll_cb (); |
1522 | RETVAL = poll_cb (); |
1152 | OUTPUT: |
1523 | OUTPUT: |
1153 | RETVAL |
1524 | RETVAL |
1154 | |
1525 | |
1155 | void |
1526 | void |
1156 | poll_wait() |
1527 | poll_wait () |
1157 | PROTOTYPE: |
|
|
1158 | CODE: |
1528 | CODE: |
1159 | poll_wait (); |
1529 | poll_wait (); |
1160 | |
1530 | |
1161 | int |
1531 | int |
1162 | nreqs() |
1532 | nreqs () |
1163 | PROTOTYPE: |
|
|
1164 | CODE: |
1533 | CODE: |
1165 | RETVAL = eio_nreqs (); |
1534 | RETVAL = eio_nreqs (); |
1166 | OUTPUT: |
1535 | OUTPUT: |
1167 | RETVAL |
1536 | RETVAL |
1168 | |
1537 | |
1169 | int |
1538 | int |
1170 | nready() |
1539 | nready () |
1171 | PROTOTYPE: |
|
|
1172 | CODE: |
1540 | CODE: |
1173 | RETVAL = eio_nready (); |
1541 | RETVAL = eio_nready (); |
1174 | OUTPUT: |
1542 | OUTPUT: |
1175 | RETVAL |
1543 | RETVAL |
1176 | |
1544 | |
1177 | int |
1545 | int |
1178 | npending() |
1546 | npending () |
1179 | PROTOTYPE: |
|
|
1180 | CODE: |
1547 | CODE: |
1181 | RETVAL = eio_npending (); |
1548 | RETVAL = eio_npending (); |
1182 | OUTPUT: |
1549 | OUTPUT: |
1183 | RETVAL |
1550 | RETVAL |
1184 | |
1551 | |
1185 | int |
1552 | int |
1186 | nthreads() |
1553 | nthreads () |
1187 | PROTOTYPE: |
|
|
1188 | CODE: |
1554 | CODE: |
1189 | RETVAL = eio_nthreads (); |
1555 | RETVAL = eio_nthreads (); |
1190 | OUTPUT: |
1556 | OUTPUT: |
1191 | RETVAL |
1557 | RETVAL |
1192 | |
1558 | |
1193 | int |
1559 | int |
1194 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1560 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1195 | PROTOTYPE: $$$$ |
|
|
1196 | CODE: |
1561 | CODE: |
1197 | { |
|
|
1198 | #if _XOPEN_SOURCE >= 600 |
|
|
1199 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1562 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1200 | #else |
|
|
1201 | RETVAL = errno = ENOSYS; |
|
|
1202 | #endif |
|
|
1203 | } |
|
|
1204 | OUTPUT: |
1563 | OUTPUT: |
1205 | RETVAL |
1564 | RETVAL |
1206 | |
1565 | |
1207 | ssize_t |
1566 | ssize_t |
1208 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1567 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1209 | PROTOTYPE: $$$$ |
|
|
1210 | CODE: |
1568 | CODE: |
1211 | eio_sendfile_sync (ofh, ifh, offset, count); |
1569 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1570 | OUTPUT: |
|
|
1571 | RETVAL |
|
|
1572 | |
|
|
1573 | void |
|
|
1574 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1575 | PPCODE: |
|
|
1576 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1577 | { |
|
|
1578 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1579 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1580 | if (addr == (void *)-1) |
|
|
1581 | XSRETURN_NO; |
|
|
1582 | |
|
|
1583 | sv_force_normal (scalar); |
|
|
1584 | |
|
|
1585 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1586 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1587 | ->mg_obj = (SV *)length; |
|
|
1588 | |
|
|
1589 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1590 | |
|
|
1591 | if (!(prot & PROT_WRITE)) |
|
|
1592 | SvREADONLY_on (scalar); |
|
|
1593 | |
|
|
1594 | if (SvLEN (scalar)) |
|
|
1595 | Safefree (SvPVX (scalar)); |
|
|
1596 | |
|
|
1597 | SvPVX (scalar) = (char *)addr; |
|
|
1598 | SvCUR_set (scalar, length); |
|
|
1599 | SvLEN_set (scalar, 0); |
|
|
1600 | SvPOK_only (scalar); |
|
|
1601 | |
|
|
1602 | XSRETURN_YES; |
|
|
1603 | } |
|
|
1604 | |
|
|
1605 | void |
|
|
1606 | munmap (SV *scalar) |
|
|
1607 | CODE: |
|
|
1608 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1609 | |
|
|
1610 | int |
|
|
1611 | madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
1612 | ALIAS: |
|
|
1613 | mprotect = 1 |
|
|
1614 | CODE: |
|
|
1615 | { |
|
|
1616 | STRLEN svlen; |
|
|
1617 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1618 | size_t len = SvUV (length); |
|
|
1619 | |
|
|
1620 | if (offset < 0) |
|
|
1621 | offset += svlen; |
|
|
1622 | |
|
|
1623 | if (offset < 0 || offset > svlen) |
|
|
1624 | croak ("offset outside of scalar"); |
|
|
1625 | |
|
|
1626 | if (!SvOK (length) || len + offset > svlen) |
|
|
1627 | len = svlen - offset; |
|
|
1628 | |
|
|
1629 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1630 | eio_page_align (&addr, &len); |
|
|
1631 | |
|
|
1632 | switch (ix) |
|
|
1633 | { |
|
|
1634 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1635 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1636 | } |
|
|
1637 | } |
|
|
1638 | OUTPUT: |
|
|
1639 | RETVAL |
|
|
1640 | |
|
|
1641 | int |
|
|
1642 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
|
|
1643 | CODE: |
|
|
1644 | { |
|
|
1645 | STRLEN svlen; |
|
|
1646 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1647 | size_t len = SvUV (length); |
|
|
1648 | |
|
|
1649 | if (offset < 0) |
|
|
1650 | offset += svlen; |
|
|
1651 | |
|
|
1652 | if (offset < 0 || offset > svlen) |
|
|
1653 | croak ("offset outside of scalar"); |
|
|
1654 | |
|
|
1655 | if (!SvOK (length) || len + offset > svlen) |
|
|
1656 | len = svlen - offset; |
|
|
1657 | |
|
|
1658 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1659 | eio_page_align (&addr, &len); |
|
|
1660 | #if _POSIX_MEMLOCK_RANGE |
|
|
1661 | RETVAL = munlock (addr, len); |
|
|
1662 | #else |
|
|
1663 | RETVAL = ((errno = ENOSYS), -1); |
|
|
1664 | #endif |
|
|
1665 | } |
|
|
1666 | OUTPUT: |
|
|
1667 | RETVAL |
|
|
1668 | |
|
|
1669 | int |
|
|
1670 | munlockall () |
|
|
1671 | CODE: |
|
|
1672 | #if _POSIX_MEMLOCK |
|
|
1673 | munlockall (); |
|
|
1674 | #else |
|
|
1675 | RETVAL = -1; |
|
|
1676 | errno = ENOSYS; |
|
|
1677 | #endif |
|
|
1678 | OUTPUT: |
|
|
1679 | RETVAL |
1212 | |
1680 | |
1213 | void _on_next_submit (SV *cb) |
1681 | void _on_next_submit (SV *cb) |
1214 | CODE: |
1682 | CODE: |
1215 | SvREFCNT_dec (on_next_submit); |
1683 | SvREFCNT_dec (on_next_submit); |
1216 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1684 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
… | |
… | |
1231 | if (GIMME_V != G_VOID) |
1699 | if (GIMME_V != G_VOID) |
1232 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
1700 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
1233 | |
1701 | |
1234 | if (items > 1) |
1702 | if (items > 1) |
1235 | { |
1703 | { |
1236 | SV *cb_cv = get_cb (callback); |
1704 | SV *cb_cv =get_cb (callback); |
1237 | |
1705 | |
1238 | SvREFCNT_dec (req->callback); |
1706 | SvREFCNT_dec (req->callback); |
1239 | req->callback = SvREFCNT_inc (cb_cv); |
1707 | req->callback = SvREFCNT_inc (cb_cv); |
1240 | } |
1708 | } |
1241 | } |
1709 | } |