… | |
… | |
58 | #include <sys/stat.h> |
58 | #include <sys/stat.h> |
59 | #include <limits.h> |
59 | #include <limits.h> |
60 | #include <fcntl.h> |
60 | #include <fcntl.h> |
61 | #include <assert.h> |
61 | #include <assert.h> |
62 | |
62 | |
63 | #include <sys/statvfs.h> |
|
|
64 | /* intptr_t comes from unistd.h, says POSIX/UNIX/tradition */ |
63 | /* intptr_t comes from unistd.h, says POSIX/UNIX/tradition */ |
65 | /* intptr_t only comes from stdint.h, says idiot openbsd coder */ |
64 | /* intptr_t only comes from stdint.h, says idiot openbsd coder */ |
66 | #if HAVE_STDINT_H |
65 | #if HAVE_STDINT_H |
67 | # include <stdint.h> |
66 | # include <stdint.h> |
68 | #endif |
67 | #endif |
69 | |
68 | |
70 | #ifndef ECANCELED |
69 | #ifndef ECANCELED |
71 | # define ECANCELED EDOM |
70 | # define ECANCELED EDOM |
72 | #endif |
71 | #endif |
|
|
72 | #ifndef ELOOP |
|
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73 | # define ELOOP EDOM |
|
|
74 | #endif |
|
|
75 | |
|
|
76 | #if !defined(ENOTSOCK) && defined(WSAENOTSOCK) |
|
|
77 | # define ENOTSOCK WSAENOTSOCK |
|
|
78 | #endif |
73 | |
79 | |
74 | static void eio_destroy (eio_req *req); |
80 | static void eio_destroy (eio_req *req); |
75 | |
81 | |
76 | #ifndef EIO_FINISH |
82 | #ifndef EIO_FINISH |
77 | # define EIO_FINISH(req) ((req)->finish) && !EIO_CANCELLED (req) ? (req)->finish (req) : 0 |
83 | # define EIO_FINISH(req) ((req)->finish) && !EIO_CANCELLED (req) ? (req)->finish (req) : 0 |
… | |
… | |
96 | |
102 | |
97 | #define EIO_ENOSYS() EIO_ERRNO (ENOSYS, -1) |
103 | #define EIO_ENOSYS() EIO_ERRNO (ENOSYS, -1) |
98 | |
104 | |
99 | #ifdef _WIN32 |
105 | #ifdef _WIN32 |
100 | |
106 | |
|
|
107 | #undef PAGESIZE |
101 | #define PAGESIZE 4096 /* GetSystemInfo? */ |
108 | #define PAGESIZE 4096 /* GetSystemInfo? */ |
102 | |
109 | |
|
|
110 | #ifdef EIO_STRUCT_STATI64 |
103 | #define stat(path,buf) _stati64 (path,buf) |
111 | #define stat(path,buf) _stati64 (path,buf) |
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112 | #define fstat(fd,buf) _fstati64 (fd,buf) |
|
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113 | #endif |
104 | #define lstat(path,buf) stat (path,buf) |
114 | #define lstat(path,buf) stat (path,buf) |
105 | #define fstat(fd,buf) _fstati64 (path,buf) |
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|
106 | #define fsync(fd) (FlushFileBuffers (EIO_FD_TO_WIN32_HANDLE (fd)) ? 0 : EIO_ERRNO (EBADF, -1)) |
115 | #define fsync(fd) (FlushFileBuffers ((HANDLE)EIO_FD_TO_WIN32_HANDLE (fd)) ? 0 : EIO_ERRNO (EBADF, -1)) |
107 | #define mkdir(path,mode) _mkdir (path) |
116 | #define mkdir(path,mode) _mkdir (path) |
108 | #define link(old,neu) (CreateHardLink (neu, old, 0) ? 0 : EIO_ERRNO (ENOENT, -1)) |
117 | #define link(old,neu) (CreateHardLink (neu, old, 0) ? 0 : EIO_ERRNO (ENOENT, -1)) |
109 | |
118 | |
|
|
119 | #define chmod(path,mode) _chmod (path, mode) |
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120 | #define dup(fd) _dup (fd) |
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121 | #define dup2(fd1,fd2) _dup2 (fd1, fd2) |
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122 | |
|
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123 | #define fchmod(fd,mode) EIO_ENOSYS () |
110 | #define chown(path,uid,gid) EIO_ENOSYS () |
124 | #define chown(path,uid,gid) EIO_ENOSYS () |
111 | #define fchown(fd,uid,gid) EIO_ENOSYS () |
125 | #define fchown(fd,uid,gid) EIO_ENOSYS () |
112 | #define truncate(path,offs) EIO_ENOSYS () /* far-miss: SetEndOfFile */ |
126 | #define truncate(path,offs) EIO_ENOSYS () /* far-miss: SetEndOfFile */ |
113 | #define ftruncate(fd,offs) EIO_ENOSYS () /* near-miss: SetEndOfFile */ |
127 | #define ftruncate(fd,offs) EIO_ENOSYS () /* near-miss: SetEndOfFile */ |
114 | #define mknod(path,mode,dev) EIO_ENOSYS () |
128 | #define mknod(path,mode,dev) EIO_ENOSYS () |
115 | #define sync() EIO_ENOSYS () |
129 | #define sync() EIO_ENOSYS () |
|
|
130 | #define readlink(path,buf,s) EIO_ENOSYS () |
|
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131 | #define statvfs(path,buf) EIO_ENOSYS () |
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132 | #define fstatvfs(fd,buf) EIO_ENOSYS () |
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133 | |
|
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134 | /* rename() uses MoveFile, which fails to overwrite */ |
|
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135 | #define rename(old,neu) eio__rename (old, neu) |
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136 | |
|
|
137 | static int |
|
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138 | eio__rename (const char *old, const char *neu) |
|
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139 | { |
|
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140 | if (MoveFileEx (old, neu, MOVEFILE_REPLACE_EXISTING)) |
|
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141 | return 0; |
|
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142 | |
|
|
143 | /* should steal _dosmaperr */ |
|
|
144 | switch (GetLastError ()) |
|
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145 | { |
|
|
146 | case ERROR_FILE_NOT_FOUND: |
|
|
147 | case ERROR_PATH_NOT_FOUND: |
|
|
148 | case ERROR_INVALID_DRIVE: |
|
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149 | case ERROR_NO_MORE_FILES: |
|
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150 | case ERROR_BAD_NETPATH: |
|
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151 | case ERROR_BAD_NET_NAME: |
|
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152 | case ERROR_BAD_PATHNAME: |
|
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153 | case ERROR_FILENAME_EXCED_RANGE: |
|
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154 | errno = ENOENT; |
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155 | break; |
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156 | |
|
|
157 | default: |
|
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158 | errno = EACCES; |
|
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159 | break; |
|
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160 | } |
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161 | |
|
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162 | return -1; |
|
|
163 | } |
116 | |
164 | |
117 | /* we could even stat and see if it exists */ |
165 | /* we could even stat and see if it exists */ |
118 | static int |
166 | static int |
119 | symlink (const char *old, const char *neu) |
167 | symlink (const char *old, const char *neu) |
120 | { |
168 | { |
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|
169 | #if WINVER >= 0x0600 |
121 | if (CreateSymbolicLink (neu, old, 1)) |
170 | if (CreateSymbolicLink (neu, old, 1)) |
122 | return 0; |
171 | return 0; |
123 | |
172 | |
124 | if (CreateSymbolicLink (neu, old, 0)) |
173 | if (CreateSymbolicLink (neu, old, 0)) |
125 | return 0; |
174 | return 0; |
|
|
175 | #endif |
126 | |
176 | |
127 | return EIO_ERRNO (ENOENT, -1); |
177 | return EIO_ERRNO (ENOENT, -1); |
128 | } |
178 | } |
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179 | |
|
|
180 | /* POSIX API only */ |
|
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181 | #define CreateHardLink(neu,old,flags) 0 |
|
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182 | #define CreateSymbolicLink(neu,old,flags) 0 |
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183 | |
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184 | struct statvfs |
|
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185 | { |
|
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186 | int dummy; |
|
|
187 | }; |
|
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188 | |
|
|
189 | #define DT_DIR EIO_DT_DIR |
|
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190 | #define DT_REG EIO_DT_REG |
|
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191 | #define D_NAME(entp) entp.cFileName |
|
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192 | #define D_TYPE(entp) (entp.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ? DT_DIR : DT_REG) |
129 | |
193 | |
130 | #else |
194 | #else |
131 | |
195 | |
132 | #include <sys/time.h> |
196 | #include <sys/time.h> |
133 | #include <sys/select.h> |
197 | #include <sys/select.h> |
134 | #include <sys/statvfs.h> |
198 | #include <sys/statvfs.h> |
135 | #include <unistd.h> |
199 | #include <unistd.h> |
136 | #include <utime.h> |
|
|
137 | #include <signal.h> |
200 | #include <signal.h> |
138 | #include <dirent.h> |
201 | #include <dirent.h> |
139 | |
202 | |
140 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
203 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
141 | #include <sys/mman.h> |
204 | #include <sys/mman.h> |
142 | #endif |
205 | #endif |
|
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206 | |
|
|
207 | #define D_NAME(entp) entp->d_name |
143 | |
208 | |
144 | /* POSIX_SOURCE is useless on bsd's, and XOPEN_SOURCE is unreliable there, too */ |
209 | /* POSIX_SOURCE is useless on bsd's, and XOPEN_SOURCE is unreliable there, too */ |
145 | #if __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__ |
210 | #if __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__ |
146 | #define _DIRENT_HAVE_D_TYPE /* sigh */ |
211 | #define _DIRENT_HAVE_D_TYPE /* sigh */ |
147 | #define D_INO(de) (de)->d_fileno |
212 | #define D_INO(de) (de)->d_fileno |
… | |
… | |
161 | |
226 | |
162 | #ifndef EIO_STRUCT_DIRENT |
227 | #ifndef EIO_STRUCT_DIRENT |
163 | #define EIO_STRUCT_DIRENT struct dirent |
228 | #define EIO_STRUCT_DIRENT struct dirent |
164 | #endif |
229 | #endif |
165 | |
230 | |
|
|
231 | #endif |
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232 | |
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233 | #if HAVE_UTIMES |
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234 | # include <utime.h> |
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235 | #endif |
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236 | |
|
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237 | #if HAVE_SYS_SYSCALL_H |
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238 | # include <sys/syscall.h> |
|
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239 | #endif |
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240 | |
|
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241 | #if HAVE_SYS_PRCTL_H |
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242 | # include <sys/prctl.h> |
166 | #endif |
243 | #endif |
167 | |
244 | |
168 | #if HAVE_SENDFILE |
245 | #if HAVE_SENDFILE |
169 | # if __linux |
246 | # if __linux |
170 | # include <sys/sendfile.h> |
247 | # include <sys/sendfile.h> |
… | |
… | |
185 | #endif |
262 | #endif |
186 | #ifndef D_INO |
263 | #ifndef D_INO |
187 | # define D_INO(de) 0 |
264 | # define D_INO(de) 0 |
188 | #endif |
265 | #endif |
189 | #ifndef D_NAMLEN |
266 | #ifndef D_NAMLEN |
190 | # define D_NAMLEN(de) strlen ((de)->d_name) |
267 | # define D_NAMLEN(entp) strlen (D_NAME (entp)) |
191 | #endif |
268 | #endif |
192 | |
269 | |
193 | /* used for struct dirent, AIX doesn't provide it */ |
270 | /* used for struct dirent, AIX doesn't provide it */ |
194 | #ifndef NAME_MAX |
271 | #ifndef NAME_MAX |
195 | # define NAME_MAX 4096 |
272 | # define NAME_MAX 4096 |
… | |
… | |
202 | |
279 | |
203 | /* buffer size for various temporary buffers */ |
280 | /* buffer size for various temporary buffers */ |
204 | #define EIO_BUFSIZE 65536 |
281 | #define EIO_BUFSIZE 65536 |
205 | |
282 | |
206 | #define dBUF \ |
283 | #define dBUF \ |
207 | char *eio_buf; \ |
|
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208 | ETP_WORKER_LOCK (self); \ |
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209 | self->dbuf = eio_buf = malloc (EIO_BUFSIZE); \ |
284 | char *eio_buf = malloc (EIO_BUFSIZE); \ |
210 | ETP_WORKER_UNLOCK (self); \ |
|
|
211 | errno = ENOMEM; \ |
285 | errno = ENOMEM; \ |
212 | if (!eio_buf) \ |
286 | if (!eio_buf) \ |
213 | return -1; |
287 | return -1 |
|
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288 | |
|
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289 | #define FUBd \ |
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290 | free (eio_buf) |
214 | |
291 | |
215 | #define EIO_TICKS ((1000000 + 1023) >> 10) |
292 | #define EIO_TICKS ((1000000 + 1023) >> 10) |
216 | |
293 | |
217 | #define ETP_PRI_MIN EIO_PRI_MIN |
294 | #define ETP_PRI_MIN EIO_PRI_MIN |
218 | #define ETP_PRI_MAX EIO_PRI_MAX |
295 | #define ETP_PRI_MAX EIO_PRI_MAX |
… | |
… | |
224 | static int eio_finish (eio_req *req); |
301 | static int eio_finish (eio_req *req); |
225 | #define ETP_FINISH(req) eio_finish (req) |
302 | #define ETP_FINISH(req) eio_finish (req) |
226 | static void eio_execute (struct etp_worker *self, eio_req *req); |
303 | static void eio_execute (struct etp_worker *self, eio_req *req); |
227 | #define ETP_EXECUTE(wrk,req) eio_execute (wrk,req) |
304 | #define ETP_EXECUTE(wrk,req) eio_execute (wrk,req) |
228 | |
305 | |
229 | #define ETP_WORKER_CLEAR(req) \ |
|
|
230 | if (wrk->dbuf) \ |
|
|
231 | { \ |
|
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232 | free (wrk->dbuf); \ |
|
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233 | wrk->dbuf = 0; \ |
|
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234 | } \ |
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235 | \ |
|
|
236 | if (wrk->dirp) \ |
|
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237 | { \ |
|
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238 | closedir (wrk->dirp); \ |
|
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239 | wrk->dirp = 0; \ |
|
|
240 | } |
|
|
241 | |
|
|
242 | #define ETP_WORKER_COMMON \ |
|
|
243 | void *dbuf; \ |
|
|
244 | DIR *dirp; |
|
|
245 | |
|
|
246 | /*****************************************************************************/ |
306 | /*****************************************************************************/ |
247 | |
307 | |
248 | #define ETP_NUM_PRI (ETP_PRI_MAX - ETP_PRI_MIN + 1) |
308 | #define ETP_NUM_PRI (ETP_PRI_MAX - ETP_PRI_MIN + 1) |
249 | |
309 | |
250 | /* calculate time difference in ~1/EIO_TICKS of a second */ |
310 | /* calculate time difference in ~1/EIO_TICKS of a second */ |
… | |
… | |
278 | /* |
338 | /* |
279 | * make our pread/pwrite emulation safe against themselves, but not against |
339 | * make our pread/pwrite emulation safe against themselves, but not against |
280 | * normal read/write by using a mutex. slows down execution a lot, |
340 | * normal read/write by using a mutex. slows down execution a lot, |
281 | * but that's your problem, not mine. |
341 | * but that's your problem, not mine. |
282 | */ |
342 | */ |
283 | static xmutex_t preadwritelock = X_MUTEX_INIT; |
343 | static xmutex_t preadwritelock; |
284 | #endif |
344 | #endif |
285 | |
345 | |
286 | typedef struct etp_worker |
346 | typedef struct etp_worker |
287 | { |
347 | { |
288 | /* locked by wrklock */ |
348 | /* locked by wrklock */ |
… | |
… | |
291 | xthread_t tid; |
351 | xthread_t tid; |
292 | |
352 | |
293 | /* locked by reslock, reqlock or wrklock */ |
353 | /* locked by reslock, reqlock or wrklock */ |
294 | ETP_REQ *req; /* currently processed request */ |
354 | ETP_REQ *req; /* currently processed request */ |
295 | |
355 | |
|
|
356 | #ifdef ETP_WORKER_COMMON |
296 | ETP_WORKER_COMMON |
357 | ETP_WORKER_COMMON |
|
|
358 | #endif |
297 | } etp_worker; |
359 | } etp_worker; |
298 | |
360 | |
299 | static etp_worker wrk_first = { &wrk_first, &wrk_first, 0 }; /* NOT etp */ |
361 | static etp_worker wrk_first; /* NOT etp */ |
300 | |
362 | |
301 | #define ETP_WORKER_LOCK(wrk) X_LOCK (wrklock) |
363 | #define ETP_WORKER_LOCK(wrk) X_LOCK (wrklock) |
302 | #define ETP_WORKER_UNLOCK(wrk) X_UNLOCK (wrklock) |
364 | #define ETP_WORKER_UNLOCK(wrk) X_UNLOCK (wrklock) |
303 | |
365 | |
304 | /* worker threads management */ |
366 | /* worker threads management */ |
305 | |
367 | |
306 | static void ecb_cold |
368 | static void ecb_cold |
307 | etp_worker_clear (etp_worker *wrk) |
369 | etp_worker_clear (etp_worker *wrk) |
308 | { |
370 | { |
309 | ETP_WORKER_CLEAR (wrk); |
|
|
310 | } |
371 | } |
311 | |
372 | |
312 | static void ecb_cold |
373 | static void ecb_cold |
313 | etp_worker_free (etp_worker *wrk) |
374 | etp_worker_free (etp_worker *wrk) |
314 | { |
375 | { |
… | |
… | |
375 | } etp_reqq; |
436 | } etp_reqq; |
376 | |
437 | |
377 | static etp_reqq req_queue; |
438 | static etp_reqq req_queue; |
378 | static etp_reqq res_queue; |
439 | static etp_reqq res_queue; |
379 | |
440 | |
|
|
441 | static void ecb_noinline ecb_cold |
|
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442 | reqq_init (etp_reqq *q) |
|
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443 | { |
|
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444 | int pri; |
|
|
445 | |
|
|
446 | for (pri = 0; pri < ETP_NUM_PRI; ++pri) |
|
|
447 | q->qs[pri] = q->qe[pri] = 0; |
|
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448 | |
|
|
449 | q->size = 0; |
|
|
450 | } |
|
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451 | |
380 | static int ecb_noinline |
452 | static int ecb_noinline |
381 | reqq_push (etp_reqq *q, ETP_REQ *req) |
453 | reqq_push (etp_reqq *q, ETP_REQ *req) |
382 | { |
454 | { |
383 | int pri = req->pri; |
455 | int pri = req->pri; |
384 | req->next = 0; |
456 | req->next = 0; |
… | |
… | |
418 | } |
490 | } |
419 | |
491 | |
420 | abort (); |
492 | abort (); |
421 | } |
493 | } |
422 | |
494 | |
423 | static void ecb_cold |
495 | static int ecb_cold |
424 | etp_thread_init (void) |
496 | etp_init (void (*want_poll)(void), void (*done_poll)(void)) |
425 | { |
497 | { |
426 | #if !HAVE_PREADWRITE |
|
|
427 | X_MUTEX_CREATE (preadwritelock); |
|
|
428 | #endif |
|
|
429 | X_MUTEX_CREATE (wrklock); |
498 | X_MUTEX_CREATE (wrklock); |
430 | X_MUTEX_CREATE (reslock); |
499 | X_MUTEX_CREATE (reslock); |
431 | X_MUTEX_CREATE (reqlock); |
500 | X_MUTEX_CREATE (reqlock); |
432 | X_COND_CREATE (reqwait); |
501 | X_COND_CREATE (reqwait); |
433 | } |
|
|
434 | |
502 | |
435 | static void ecb_cold |
503 | reqq_init (&req_queue); |
436 | etp_atfork_prepare (void) |
504 | reqq_init (&res_queue); |
437 | { |
|
|
438 | } |
|
|
439 | |
505 | |
440 | static void ecb_cold |
506 | wrk_first.next = |
441 | etp_atfork_parent (void) |
507 | wrk_first.prev = &wrk_first; |
442 | { |
|
|
443 | } |
|
|
444 | |
|
|
445 | static void ecb_cold |
|
|
446 | etp_atfork_child (void) |
|
|
447 | { |
|
|
448 | ETP_REQ *prv; |
|
|
449 | |
|
|
450 | while ((prv = reqq_shift (&req_queue))) |
|
|
451 | ETP_DESTROY (prv); |
|
|
452 | |
|
|
453 | while ((prv = reqq_shift (&res_queue))) |
|
|
454 | ETP_DESTROY (prv); |
|
|
455 | |
|
|
456 | while (wrk_first.next != &wrk_first) |
|
|
457 | { |
|
|
458 | etp_worker *wrk = wrk_first.next; |
|
|
459 | |
|
|
460 | if (wrk->req) |
|
|
461 | ETP_DESTROY (wrk->req); |
|
|
462 | |
|
|
463 | etp_worker_clear (wrk); |
|
|
464 | etp_worker_free (wrk); |
|
|
465 | } |
|
|
466 | |
508 | |
467 | started = 0; |
509 | started = 0; |
468 | idle = 0; |
510 | idle = 0; |
469 | nreqs = 0; |
511 | nreqs = 0; |
470 | nready = 0; |
512 | nready = 0; |
471 | npending = 0; |
513 | npending = 0; |
472 | |
|
|
473 | etp_thread_init (); |
|
|
474 | } |
|
|
475 | |
|
|
476 | static void ecb_cold |
|
|
477 | etp_once_init (void) |
|
|
478 | { |
|
|
479 | etp_thread_init (); |
|
|
480 | X_THREAD_ATFORK (etp_atfork_prepare, etp_atfork_parent, etp_atfork_child); |
|
|
481 | } |
|
|
482 | |
|
|
483 | static int ecb_cold |
|
|
484 | etp_init (void (*want_poll)(void), void (*done_poll)(void)) |
|
|
485 | { |
|
|
486 | static pthread_once_t doinit = PTHREAD_ONCE_INIT; |
|
|
487 | |
|
|
488 | pthread_once (&doinit, etp_once_init); |
|
|
489 | |
514 | |
490 | want_poll_cb = want_poll; |
515 | want_poll_cb = want_poll; |
491 | done_poll_cb = done_poll; |
516 | done_poll_cb = done_poll; |
492 | |
517 | |
493 | return 0; |
518 | return 0; |
… | |
… | |
876 | # undef pread |
901 | # undef pread |
877 | # undef pwrite |
902 | # undef pwrite |
878 | # define pread eio__pread |
903 | # define pread eio__pread |
879 | # define pwrite eio__pwrite |
904 | # define pwrite eio__pwrite |
880 | |
905 | |
881 | static ssize_t |
906 | static eio_ssize_t |
882 | eio__pread (int fd, void *buf, size_t count, off_t offset) |
907 | eio__pread (int fd, void *buf, size_t count, off_t offset) |
883 | { |
908 | { |
884 | ssize_t res; |
909 | eio_ssize_t res; |
885 | off_t ooffset; |
910 | off_t ooffset; |
886 | |
911 | |
887 | X_LOCK (preadwritelock); |
912 | X_LOCK (preadwritelock); |
888 | ooffset = lseek (fd, 0, SEEK_CUR); |
913 | ooffset = lseek (fd, 0, SEEK_CUR); |
889 | lseek (fd, offset, SEEK_SET); |
914 | lseek (fd, offset, SEEK_SET); |
… | |
… | |
892 | X_UNLOCK (preadwritelock); |
917 | X_UNLOCK (preadwritelock); |
893 | |
918 | |
894 | return res; |
919 | return res; |
895 | } |
920 | } |
896 | |
921 | |
897 | static ssize_t |
922 | static eio_ssize_t |
898 | eio__pwrite (int fd, void *buf, size_t count, off_t offset) |
923 | eio__pwrite (int fd, void *buf, size_t count, off_t offset) |
899 | { |
924 | { |
900 | ssize_t res; |
925 | eio_ssize_t res; |
901 | off_t ooffset; |
926 | off_t ooffset; |
902 | |
927 | |
903 | X_LOCK (preadwritelock); |
928 | X_LOCK (preadwritelock); |
904 | ooffset = lseek (fd, 0, SEEK_CUR); |
929 | ooffset = lseek (fd, 0, SEEK_CUR); |
905 | lseek (fd, offset, SEEK_SET); |
930 | lseek (fd, offset, SEEK_SET); |
… | |
… | |
950 | |
975 | |
951 | #if !HAVE_FDATASYNC |
976 | #if !HAVE_FDATASYNC |
952 | # undef fdatasync |
977 | # undef fdatasync |
953 | # define fdatasync(fd) fsync (fd) |
978 | # define fdatasync(fd) fsync (fd) |
954 | #endif |
979 | #endif |
|
|
980 | |
|
|
981 | static int |
|
|
982 | eio__syncfs (int fd) |
|
|
983 | { |
|
|
984 | int res; |
|
|
985 | |
|
|
986 | #if HAVE_SYS_SYNCFS |
|
|
987 | res = (int)syscall (__NR_syncfs, (int)(fd)); |
|
|
988 | #else |
|
|
989 | res = -1; |
|
|
990 | errno = ENOSYS; |
|
|
991 | #endif |
|
|
992 | |
|
|
993 | if (res < 0 && errno == ENOSYS && fd >= 0) |
|
|
994 | sync (); |
|
|
995 | |
|
|
996 | return res; |
|
|
997 | } |
955 | |
998 | |
956 | /* sync_file_range always needs emulation */ |
999 | /* sync_file_range always needs emulation */ |
957 | static int |
1000 | static int |
958 | eio__sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags) |
1001 | eio__sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags) |
959 | { |
1002 | { |
… | |
… | |
994 | |
1037 | |
995 | #if !HAVE_READAHEAD |
1038 | #if !HAVE_READAHEAD |
996 | # undef readahead |
1039 | # undef readahead |
997 | # define readahead(fd,offset,count) eio__readahead (fd, offset, count, self) |
1040 | # define readahead(fd,offset,count) eio__readahead (fd, offset, count, self) |
998 | |
1041 | |
999 | static ssize_t |
1042 | static eio_ssize_t |
1000 | eio__readahead (int fd, off_t offset, size_t count, etp_worker *self) |
1043 | eio__readahead (int fd, off_t offset, size_t count, etp_worker *self) |
1001 | { |
1044 | { |
1002 | size_t todo = count; |
1045 | size_t todo = count; |
1003 | dBUF; |
1046 | dBUF; |
1004 | |
1047 | |
… | |
… | |
1009 | pread (fd, eio_buf, len, offset); |
1052 | pread (fd, eio_buf, len, offset); |
1010 | offset += len; |
1053 | offset += len; |
1011 | todo -= len; |
1054 | todo -= len; |
1012 | } |
1055 | } |
1013 | |
1056 | |
|
|
1057 | FUBd; |
|
|
1058 | |
1014 | errno = 0; |
1059 | errno = 0; |
1015 | return count; |
1060 | return count; |
1016 | } |
1061 | } |
1017 | |
1062 | |
1018 | #endif |
1063 | #endif |
1019 | |
1064 | |
1020 | /* sendfile always needs emulation */ |
1065 | /* sendfile always needs emulation */ |
1021 | static ssize_t |
1066 | static eio_ssize_t |
1022 | eio__sendfile (int ofd, int ifd, off_t offset, size_t count, etp_worker *self) |
1067 | eio__sendfile (int ofd, int ifd, off_t offset, size_t count) |
1023 | { |
1068 | { |
1024 | ssize_t written = 0; |
1069 | eio_ssize_t written = 0; |
1025 | ssize_t res; |
1070 | eio_ssize_t res; |
1026 | |
1071 | |
1027 | if (!count) |
1072 | if (!count) |
1028 | return 0; |
1073 | return 0; |
1029 | |
1074 | |
1030 | for (;;) |
1075 | for (;;) |
… | |
… | |
1125 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
1170 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
1126 | /* BSDs */ |
1171 | /* BSDs */ |
1127 | #ifdef ENOTSUP /* sigh, if the steenking pile called openbsd would only try to at least compile posix code... */ |
1172 | #ifdef ENOTSUP /* sigh, if the steenking pile called openbsd would only try to at least compile posix code... */ |
1128 | || errno == ENOTSUP |
1173 | || errno == ENOTSUP |
1129 | #endif |
1174 | #endif |
|
|
1175 | #ifdef EOPNOTSUPP /* windows */ |
1130 | || errno == EOPNOTSUPP /* BSDs */ |
1176 | || errno == EOPNOTSUPP /* BSDs */ |
|
|
1177 | #endif |
1131 | #if __solaris |
1178 | #if __solaris |
1132 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
1179 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
1133 | #endif |
1180 | #endif |
1134 | ) |
1181 | ) |
1135 | ) |
1182 | ) |
… | |
… | |
1139 | |
1186 | |
1140 | res = 0; |
1187 | res = 0; |
1141 | |
1188 | |
1142 | while (count) |
1189 | while (count) |
1143 | { |
1190 | { |
1144 | ssize_t cnt; |
1191 | eio_ssize_t cnt; |
1145 | |
1192 | |
1146 | cnt = pread (ifd, eio_buf, count > EIO_BUFSIZE ? EIO_BUFSIZE : count, offset); |
1193 | cnt = pread (ifd, eio_buf, count > EIO_BUFSIZE ? EIO_BUFSIZE : count, offset); |
1147 | |
1194 | |
1148 | if (cnt <= 0) |
1195 | if (cnt <= 0) |
1149 | { |
1196 | { |
… | |
… | |
1161 | |
1208 | |
1162 | offset += cnt; |
1209 | offset += cnt; |
1163 | res += cnt; |
1210 | res += cnt; |
1164 | count -= cnt; |
1211 | count -= cnt; |
1165 | } |
1212 | } |
|
|
1213 | |
|
|
1214 | FUBd; |
1166 | } |
1215 | } |
1167 | |
1216 | |
1168 | return res; |
1217 | return res; |
1169 | } |
1218 | } |
1170 | |
1219 | |
… | |
… | |
1197 | /* round up length */ |
1246 | /* round up length */ |
1198 | *length = (*length + mask) & ~mask; |
1247 | *length = (*length + mask) & ~mask; |
1199 | } |
1248 | } |
1200 | |
1249 | |
1201 | #if !_POSIX_MEMLOCK |
1250 | #if !_POSIX_MEMLOCK |
1202 | # define eio__mlockall(a) eio_nosyscall() |
1251 | # define eio__mlockall(a) EIO_ENOSYS () |
1203 | #else |
1252 | #else |
1204 | |
1253 | |
1205 | static int |
1254 | static int |
1206 | eio__mlockall (int flags) |
1255 | eio__mlockall (int flags) |
1207 | { |
1256 | { |
… | |
… | |
1357 | res += strlen (res); |
1406 | res += strlen (res); |
1358 | } |
1407 | } |
1359 | |
1408 | |
1360 | while (*rel) |
1409 | while (*rel) |
1361 | { |
1410 | { |
1362 | ssize_t len, linklen; |
1411 | eio_ssize_t len, linklen; |
1363 | char *beg = rel; |
1412 | char *beg = rel; |
1364 | |
1413 | |
1365 | while (*rel && *rel != '/') |
1414 | while (*rel && *rel != '/') |
1366 | ++rel; |
1415 | ++rel; |
1367 | |
1416 | |
… | |
… | |
1460 | |
1509 | |
1461 | #define EIO_SORT_CUTOFF 30 /* quite high, but performs well on many filesystems */ |
1510 | #define EIO_SORT_CUTOFF 30 /* quite high, but performs well on many filesystems */ |
1462 | #define EIO_SORT_FAST 60 /* when to only use insertion sort */ |
1511 | #define EIO_SORT_FAST 60 /* when to only use insertion sort */ |
1463 | |
1512 | |
1464 | static void |
1513 | static void |
1465 | eio_dent_radix_sort (eio_dirent *dents, int size, signed char score_bits, ino_t inode_bits) |
1514 | eio_dent_radix_sort (eio_dirent *dents, int size, signed char score_bits, eio_ino_t inode_bits) |
1466 | { |
1515 | { |
1467 | unsigned char bits [9 + sizeof (ino_t) * 8]; |
1516 | unsigned char bits [9 + sizeof (eio_ino_t) * 8]; |
1468 | unsigned char *bit = bits; |
1517 | unsigned char *bit = bits; |
1469 | |
1518 | |
1470 | assert (CHAR_BIT == 8); |
1519 | assert (CHAR_BIT == 8); |
1471 | assert (sizeof (eio_dirent) * 8 < 256); |
1520 | assert (sizeof (eio_dirent) * 8 < 256); |
1472 | assert (offsetof (eio_dirent, inode)); /* we use bit #0 as sentinel */ |
1521 | assert (offsetof (eio_dirent, inode)); /* we use bit #0 as sentinel */ |
… | |
… | |
1474 | |
1523 | |
1475 | if (size <= EIO_SORT_FAST) |
1524 | if (size <= EIO_SORT_FAST) |
1476 | return; |
1525 | return; |
1477 | |
1526 | |
1478 | /* first prepare an array of bits to test in our radix sort */ |
1527 | /* first prepare an array of bits to test in our radix sort */ |
1479 | /* try to take endianness into account, as well as differences in ino_t sizes */ |
1528 | /* try to take endianness into account, as well as differences in eio_ino_t sizes */ |
1480 | /* inode_bits must contain all inodes ORed together */ |
1529 | /* inode_bits must contain all inodes ORed together */ |
1481 | /* which is used to skip bits that are 0 everywhere, which is very common */ |
1530 | /* which is used to skip bits that are 0 everywhere, which is very common */ |
1482 | { |
1531 | { |
1483 | ino_t endianness; |
1532 | eio_ino_t endianness; |
1484 | int i, j; |
1533 | int i, j; |
1485 | |
1534 | |
1486 | /* we store the byte offset of byte n into byte n of "endianness" */ |
1535 | /* we store the byte offset of byte n into byte n of "endianness" */ |
1487 | for (i = 0; i < sizeof (ino_t); ++i) |
1536 | for (i = 0; i < sizeof (eio_ino_t); ++i) |
1488 | ((unsigned char *)&endianness)[i] = i; |
1537 | ((unsigned char *)&endianness)[i] = i; |
1489 | |
1538 | |
1490 | *bit++ = 0; |
1539 | *bit++ = 0; |
1491 | |
1540 | |
1492 | for (i = 0; i < sizeof (ino_t); ++i) |
1541 | for (i = 0; i < sizeof (eio_ino_t); ++i) |
1493 | { |
1542 | { |
1494 | /* shifting off the byte offsets out of "endianness" */ |
1543 | /* shifting off the byte offsets out of "endianness" */ |
1495 | int offs = (offsetof (eio_dirent, inode) + (endianness & 0xff)) * 8; |
1544 | int offs = (offsetof (eio_dirent, inode) + (endianness & 0xff)) * 8; |
1496 | endianness >>= 8; |
1545 | endianness >>= 8; |
1497 | |
1546 | |
1498 | for (j = 0; j < 8; ++j) |
1547 | for (j = 0; j < 8; ++j) |
1499 | if (inode_bits & (((ino_t)1) << (i * 8 + j))) |
1548 | if (inode_bits & (((eio_ino_t)1) << (i * 8 + j))) |
1500 | *bit++ = offs + j; |
1549 | *bit++ = offs + j; |
1501 | } |
1550 | } |
1502 | |
1551 | |
1503 | for (j = 0; j < 8; ++j) |
1552 | for (j = 0; j < 8; ++j) |
1504 | if (score_bits & (1 << j)) |
1553 | if (score_bits & (1 << j)) |
1505 | *bit++ = offsetof (eio_dirent, score) * 8 + j; |
1554 | *bit++ = offsetof (eio_dirent, score) * 8 + j; |
1506 | } |
1555 | } |
1507 | |
1556 | |
1508 | /* now actually do the sorting (a variant of MSD radix sort) */ |
1557 | /* now actually do the sorting (a variant of MSD radix sort) */ |
1509 | { |
1558 | { |
1510 | eio_dirent *base_stk [9 + sizeof (ino_t) * 8], *base; |
1559 | eio_dirent *base_stk [9 + sizeof (eio_ino_t) * 8], *base; |
1511 | eio_dirent *end_stk [9 + sizeof (ino_t) * 8], *end; |
1560 | eio_dirent *end_stk [9 + sizeof (eio_ino_t) * 8], *end; |
1512 | unsigned char *bit_stk [9 + sizeof (ino_t) * 8]; |
1561 | unsigned char *bit_stk [9 + sizeof (eio_ino_t) * 8]; |
1513 | int stk_idx = 0; |
1562 | int stk_idx = 0; |
1514 | |
1563 | |
1515 | base_stk [stk_idx] = dents; |
1564 | base_stk [stk_idx] = dents; |
1516 | end_stk [stk_idx] = dents + size; |
1565 | end_stk [stk_idx] = dents + size; |
1517 | bit_stk [stk_idx] = bit - 1; |
1566 | bit_stk [stk_idx] = bit - 1; |
… | |
… | |
1596 | } |
1645 | } |
1597 | } |
1646 | } |
1598 | } |
1647 | } |
1599 | |
1648 | |
1600 | static void |
1649 | static void |
1601 | eio_dent_sort (eio_dirent *dents, int size, signed char score_bits, ino_t inode_bits) |
1650 | eio_dent_sort (eio_dirent *dents, int size, signed char score_bits, eio_ino_t inode_bits) |
1602 | { |
1651 | { |
1603 | if (size <= 1) |
1652 | if (size <= 1) |
1604 | return; /* our insertion sort relies on size > 0 */ |
1653 | return; /* our insertion sort relies on size > 0 */ |
1605 | |
1654 | |
1606 | /* first we use a radix sort, but only for dirs >= EIO_SORT_FAST */ |
1655 | /* first we use a radix sort, but only for dirs >= EIO_SORT_FAST */ |
… | |
… | |
1614 | |
1663 | |
1615 | /* read a full directory */ |
1664 | /* read a full directory */ |
1616 | static void |
1665 | static void |
1617 | eio__scandir (eio_req *req, etp_worker *self) |
1666 | eio__scandir (eio_req *req, etp_worker *self) |
1618 | { |
1667 | { |
1619 | DIR *dirp; |
|
|
1620 | EIO_STRUCT_DIRENT *entp; |
|
|
1621 | char *name, *names; |
1668 | char *name, *names; |
1622 | int namesalloc = 4096; |
1669 | int namesalloc = 4096 - sizeof (void *) * 4; |
1623 | int namesoffs = 0; |
1670 | int namesoffs = 0; |
1624 | int flags = req->int1; |
1671 | int flags = req->int1; |
1625 | eio_dirent *dents = 0; |
1672 | eio_dirent *dents = 0; |
1626 | int dentalloc = 128; |
1673 | int dentalloc = 128; |
1627 | int dentoffs = 0; |
1674 | int dentoffs = 0; |
1628 | ino_t inode_bits = 0; |
1675 | eio_ino_t inode_bits = 0; |
|
|
1676 | #ifdef _WIN32 |
|
|
1677 | HANDLE dirp; |
|
|
1678 | WIN32_FIND_DATA entp; |
|
|
1679 | #else |
|
|
1680 | DIR *dirp; |
|
|
1681 | EIO_STRUCT_DIRENT *entp; |
|
|
1682 | #endif |
1629 | |
1683 | |
1630 | req->result = -1; |
1684 | req->result = -1; |
1631 | |
1685 | |
1632 | if (!(flags & EIO_READDIR_DENTS)) |
1686 | if (!(flags & EIO_READDIR_DENTS)) |
1633 | flags &= ~(EIO_READDIR_DIRS_FIRST | EIO_READDIR_STAT_ORDER); |
1687 | flags &= ~(EIO_READDIR_DIRS_FIRST | EIO_READDIR_STAT_ORDER); |
1634 | |
1688 | |
1635 | X_LOCK (wrklock); |
1689 | #ifdef _WIN32 |
1636 | /* the corresponding closedir is in ETP_WORKER_CLEAR */ |
1690 | { |
|
|
1691 | int len = strlen ((const char *)req->ptr1); |
|
|
1692 | char *path = malloc (MAX_PATH); |
|
|
1693 | const char *fmt; |
|
|
1694 | |
|
|
1695 | if (!len) |
|
|
1696 | fmt = "./*"; |
|
|
1697 | else if (((const char *)req->ptr1)[len - 1] == '/' || ((const char *)req->ptr1)[len - 1] == '\\') |
|
|
1698 | fmt = "%s*"; |
|
|
1699 | else |
|
|
1700 | fmt = "%s/*"; |
|
|
1701 | |
|
|
1702 | _snprintf (path, MAX_PATH, fmt, (const char *)req->ptr1); |
|
|
1703 | dirp = FindFirstFile (path, &entp); |
|
|
1704 | free (path); |
|
|
1705 | |
|
|
1706 | if (dirp == INVALID_HANDLE_VALUE) |
|
|
1707 | { |
|
|
1708 | dirp = 0; |
|
|
1709 | |
|
|
1710 | /* should steal _dosmaperr */ |
|
|
1711 | switch (GetLastError ()) |
|
|
1712 | { |
|
|
1713 | case ERROR_FILE_NOT_FOUND: |
|
|
1714 | req->result = 0; |
|
|
1715 | break; |
|
|
1716 | |
|
|
1717 | case ERROR_INVALID_NAME: |
|
|
1718 | case ERROR_PATH_NOT_FOUND: |
|
|
1719 | case ERROR_NO_MORE_FILES: |
|
|
1720 | errno = ENOENT; |
|
|
1721 | break; |
|
|
1722 | |
|
|
1723 | case ERROR_NOT_ENOUGH_MEMORY: |
|
|
1724 | errno = ENOMEM; |
|
|
1725 | break; |
|
|
1726 | |
|
|
1727 | default: |
|
|
1728 | errno = EINVAL; |
|
|
1729 | break; |
|
|
1730 | } |
|
|
1731 | } |
|
|
1732 | } |
|
|
1733 | #else |
1637 | self->dirp = dirp = opendir (req->ptr1); |
1734 | dirp = opendir (req->ptr1); |
|
|
1735 | #endif |
1638 | |
1736 | |
1639 | if (req->flags & EIO_FLAG_PTR1_FREE) |
1737 | if (req->flags & EIO_FLAG_PTR1_FREE) |
1640 | free (req->ptr1); |
1738 | free (req->ptr1); |
1641 | |
1739 | |
1642 | req->flags |= EIO_FLAG_PTR1_FREE | EIO_FLAG_PTR2_FREE; |
1740 | req->flags |= EIO_FLAG_PTR1_FREE | EIO_FLAG_PTR2_FREE; |
1643 | req->ptr1 = dents = flags ? malloc (dentalloc * sizeof (eio_dirent)) : 0; |
1741 | req->ptr1 = dents = flags ? malloc (dentalloc * sizeof (eio_dirent)) : 0; |
1644 | req->ptr2 = names = malloc (namesalloc); |
1742 | req->ptr2 = names = malloc (namesalloc); |
1645 | X_UNLOCK (wrklock); |
|
|
1646 | |
1743 | |
1647 | if (dirp && names && (!flags || dents)) |
1744 | if (dirp && names && (!flags || dents)) |
1648 | for (;;) |
1745 | for (;;) |
1649 | { |
1746 | { |
|
|
1747 | int done; |
|
|
1748 | |
|
|
1749 | #ifdef _WIN32 |
|
|
1750 | done = !dirp; |
|
|
1751 | #else |
1650 | errno = 0; |
1752 | errno = 0; |
1651 | entp = readdir (dirp); |
1753 | entp = readdir (dirp); |
|
|
1754 | done = !entp; |
|
|
1755 | #endif |
1652 | |
1756 | |
1653 | if (!entp) |
1757 | if (done) |
1654 | { |
1758 | { |
|
|
1759 | #ifndef _WIN32 |
|
|
1760 | int old_errno = errno; |
|
|
1761 | closedir (dirp); |
|
|
1762 | errno = old_errno; |
|
|
1763 | |
1655 | if (errno) |
1764 | if (errno) |
1656 | break; |
1765 | break; |
|
|
1766 | #endif |
1657 | |
1767 | |
1658 | /* sort etc. */ |
1768 | /* sort etc. */ |
1659 | req->int1 = flags; |
1769 | req->int1 = flags; |
1660 | req->result = dentoffs; |
1770 | req->result = dentoffs; |
1661 | |
1771 | |
… | |
… | |
1690 | |
1800 | |
1691 | break; |
1801 | break; |
1692 | } |
1802 | } |
1693 | |
1803 | |
1694 | /* now add the entry to our list(s) */ |
1804 | /* now add the entry to our list(s) */ |
1695 | name = entp->d_name; |
1805 | name = D_NAME (entp); |
1696 | |
1806 | |
1697 | /* skip . and .. entries */ |
1807 | /* skip . and .. entries */ |
1698 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
1808 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
1699 | { |
1809 | { |
1700 | int len = D_NAMLEN (entp) + 1; |
1810 | int len = D_NAMLEN (entp) + 1; |
1701 | |
1811 | |
1702 | while (ecb_expect_false (namesoffs + len > namesalloc)) |
1812 | while (ecb_expect_false (namesoffs + len > namesalloc)) |
1703 | { |
1813 | { |
1704 | namesalloc *= 2; |
1814 | namesalloc *= 2; |
1705 | X_LOCK (wrklock); |
|
|
1706 | req->ptr2 = names = realloc (names, namesalloc); |
1815 | req->ptr2 = names = realloc (names, namesalloc); |
1707 | X_UNLOCK (wrklock); |
|
|
1708 | |
1816 | |
1709 | if (!names) |
1817 | if (!names) |
1710 | break; |
1818 | break; |
1711 | } |
1819 | } |
1712 | |
1820 | |
… | |
… | |
1717 | struct eio_dirent *ent; |
1825 | struct eio_dirent *ent; |
1718 | |
1826 | |
1719 | if (ecb_expect_false (dentoffs == dentalloc)) |
1827 | if (ecb_expect_false (dentoffs == dentalloc)) |
1720 | { |
1828 | { |
1721 | dentalloc *= 2; |
1829 | dentalloc *= 2; |
1722 | X_LOCK (wrklock); |
|
|
1723 | req->ptr1 = dents = realloc (dents, dentalloc * sizeof (eio_dirent)); |
1830 | req->ptr1 = dents = realloc (dents, dentalloc * sizeof (eio_dirent)); |
1724 | X_UNLOCK (wrklock); |
|
|
1725 | |
1831 | |
1726 | if (!dents) |
1832 | if (!dents) |
1727 | break; |
1833 | break; |
1728 | } |
1834 | } |
1729 | |
1835 | |
… | |
… | |
1809 | if (EIO_CANCELLED (req)) |
1915 | if (EIO_CANCELLED (req)) |
1810 | { |
1916 | { |
1811 | errno = ECANCELED; |
1917 | errno = ECANCELED; |
1812 | break; |
1918 | break; |
1813 | } |
1919 | } |
|
|
1920 | |
|
|
1921 | #ifdef _WIN32 |
|
|
1922 | if (!FindNextFile (dirp, &entp)) |
|
|
1923 | { |
|
|
1924 | FindClose (dirp); |
|
|
1925 | dirp = 0; |
|
|
1926 | } |
|
|
1927 | #endif |
1814 | } |
1928 | } |
1815 | } |
1929 | } |
1816 | |
1930 | |
1817 | /*****************************************************************************/ |
1931 | /*****************************************************************************/ |
1818 | |
1932 | |
… | |
… | |
1834 | X_THREAD_PROC (etp_proc) |
1948 | X_THREAD_PROC (etp_proc) |
1835 | { |
1949 | { |
1836 | ETP_REQ *req; |
1950 | ETP_REQ *req; |
1837 | struct timespec ts; |
1951 | struct timespec ts; |
1838 | etp_worker *self = (etp_worker *)thr_arg; |
1952 | etp_worker *self = (etp_worker *)thr_arg; |
1839 | int timeout; |
1953 | |
|
|
1954 | #if HAVE_PRCTL_SET_NAME |
|
|
1955 | prctl (PR_SET_NAME, (unsigned long)"eio_thread", 0, 0, 0); |
|
|
1956 | #endif |
1840 | |
1957 | |
1841 | /* try to distribute timeouts somewhat evenly */ |
1958 | /* try to distribute timeouts somewhat evenly */ |
1842 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
1959 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
1843 | |
1960 | |
1844 | for (;;) |
1961 | for (;;) |
… | |
… | |
1914 | /*****************************************************************************/ |
2031 | /*****************************************************************************/ |
1915 | |
2032 | |
1916 | int ecb_cold |
2033 | int ecb_cold |
1917 | eio_init (void (*want_poll)(void), void (*done_poll)(void)) |
2034 | eio_init (void (*want_poll)(void), void (*done_poll)(void)) |
1918 | { |
2035 | { |
|
|
2036 | #if !HAVE_PREADWRITE |
|
|
2037 | X_MUTEX_CREATE (preadwritelock); |
|
|
2038 | #endif |
|
|
2039 | |
1919 | return etp_init (want_poll, done_poll); |
2040 | return etp_init (want_poll, done_poll); |
1920 | } |
2041 | } |
1921 | |
2042 | |
1922 | ecb_inline void |
2043 | ecb_inline void |
1923 | eio_api_destroy (eio_req *req) |
2044 | eio_api_destroy (eio_req *req) |
… | |
… | |
1968 | case EIO_WRITE: req->result = req->offs >= 0 |
2089 | case EIO_WRITE: req->result = req->offs >= 0 |
1969 | ? pwrite (req->int1, req->ptr2, req->size, req->offs) |
2090 | ? pwrite (req->int1, req->ptr2, req->size, req->offs) |
1970 | : write (req->int1, req->ptr2, req->size); break; |
2091 | : write (req->int1, req->ptr2, req->size); break; |
1971 | |
2092 | |
1972 | case EIO_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
2093 | case EIO_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
1973 | case EIO_SENDFILE: req->result = eio__sendfile (req->int1, req->int2, req->offs, req->size, self); break; |
2094 | case EIO_SENDFILE: req->result = eio__sendfile (req->int1, req->int2, req->offs, req->size); break; |
1974 | |
2095 | |
1975 | case EIO_STAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
2096 | case EIO_STAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
1976 | req->result = stat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
2097 | req->result = stat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
1977 | case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
2098 | case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
1978 | req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
2099 | req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
… | |
… | |
2008 | req->result = readlink (req->ptr1, req->ptr2, PATH_MAX); break; |
2129 | req->result = readlink (req->ptr1, req->ptr2, PATH_MAX); break; |
2009 | |
2130 | |
2010 | case EIO_SYNC: req->result = 0; sync (); break; |
2131 | case EIO_SYNC: req->result = 0; sync (); break; |
2011 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
2132 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
2012 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
2133 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
2134 | case EIO_SYNCFS: req->result = eio__syncfs (req->int1); break; |
|
|
2135 | case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break; |
2013 | case EIO_MSYNC: req->result = eio__msync (req->ptr2, req->size, req->int1); break; |
2136 | case EIO_MSYNC: req->result = eio__msync (req->ptr2, req->size, req->int1); break; |
2014 | case EIO_MTOUCH: req->result = eio__mtouch (req); break; |
2137 | case EIO_MTOUCH: req->result = eio__mtouch (req); break; |
2015 | case EIO_MLOCK: req->result = eio__mlock (req->ptr2, req->size); break; |
2138 | case EIO_MLOCK: req->result = eio__mlock (req->ptr2, req->size); break; |
2016 | case EIO_MLOCKALL: req->result = eio__mlockall (req->int1); break; |
2139 | case EIO_MLOCKALL: req->result = eio__mlockall (req->int1); break; |
2017 | case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break; |
|
|
2018 | case EIO_FALLOCATE: req->result = eio__fallocate (req->int1, req->int2, req->offs, req->size); break; |
2140 | case EIO_FALLOCATE: req->result = eio__fallocate (req->int1, req->int2, req->offs, req->size); break; |
2019 | |
2141 | |
2020 | case EIO_READDIR: eio__scandir (req, self); break; |
2142 | case EIO_READDIR: eio__scandir (req, self); break; |
2021 | |
2143 | |
2022 | case EIO_BUSY: |
2144 | case EIO_BUSY: |
… | |
… | |
2103 | eio_req *eio_msync (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data) |
2225 | eio_req *eio_msync (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data) |
2104 | { |
2226 | { |
2105 | REQ (EIO_MSYNC); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND; |
2227 | REQ (EIO_MSYNC); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND; |
2106 | } |
2228 | } |
2107 | |
2229 | |
|
|
2230 | eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data) |
|
|
2231 | { |
|
|
2232 | REQ (EIO_FDATASYNC); req->int1 = fd; SEND; |
|
|
2233 | } |
|
|
2234 | |
|
|
2235 | eio_req *eio_syncfs (int fd, int pri, eio_cb cb, void *data) |
|
|
2236 | { |
|
|
2237 | REQ (EIO_SYNCFS); req->int1 = fd; SEND; |
|
|
2238 | } |
|
|
2239 | |
|
|
2240 | eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data) |
|
|
2241 | { |
|
|
2242 | REQ (EIO_SYNC_FILE_RANGE); req->int1 = fd; req->offs = offset; req->size = nbytes; req->int2 = flags; SEND; |
|
|
2243 | } |
|
|
2244 | |
2108 | eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data) |
2245 | eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data) |
2109 | { |
2246 | { |
2110 | REQ (EIO_MTOUCH); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND; |
2247 | REQ (EIO_MTOUCH); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND; |
2111 | } |
2248 | } |
2112 | |
2249 | |
… | |
… | |
2118 | eio_req *eio_mlockall (int flags, int pri, eio_cb cb, void *data) |
2255 | eio_req *eio_mlockall (int flags, int pri, eio_cb cb, void *data) |
2119 | { |
2256 | { |
2120 | REQ (EIO_MLOCKALL); req->int1 = flags; SEND; |
2257 | REQ (EIO_MLOCKALL); req->int1 = flags; SEND; |
2121 | } |
2258 | } |
2122 | |
2259 | |
2123 | eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data) |
|
|
2124 | { |
|
|
2125 | REQ (EIO_SYNC_FILE_RANGE); req->int1 = fd; req->offs = offset; req->size = nbytes; req->int2 = flags; SEND; |
|
|
2126 | } |
|
|
2127 | |
|
|
2128 | eio_req *eio_fallocate (int fd, int mode, off_t offset, size_t len, int pri, eio_cb cb, void *data) |
2260 | eio_req *eio_fallocate (int fd, int mode, off_t offset, size_t len, int pri, eio_cb cb, void *data) |
2129 | { |
2261 | { |
2130 | REQ (EIO_FALLOCATE); req->int1 = fd; req->int2 = mode; req->offs = offset; req->size = len; SEND; |
2262 | REQ (EIO_FALLOCATE); req->int1 = fd; req->int2 = mode; req->offs = offset; req->size = len; SEND; |
2131 | } |
2263 | } |
2132 | |
2264 | |
2133 | eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data) |
|
|
2134 | { |
|
|
2135 | REQ (EIO_FDATASYNC); req->int1 = fd; SEND; |
|
|
2136 | } |
|
|
2137 | |
|
|
2138 | eio_req *eio_close (int fd, int pri, eio_cb cb, void *data) |
2265 | eio_req *eio_close (int fd, int pri, eio_cb cb, void *data) |
2139 | { |
2266 | { |
2140 | REQ (EIO_CLOSE); req->int1 = fd; SEND; |
2267 | REQ (EIO_CLOSE); req->int1 = fd; SEND; |
2141 | } |
2268 | } |
2142 | |
2269 | |
… | |
… | |
2178 | eio_req *eio_fchmod (int fd, mode_t mode, int pri, eio_cb cb, void *data) |
2305 | eio_req *eio_fchmod (int fd, mode_t mode, int pri, eio_cb cb, void *data) |
2179 | { |
2306 | { |
2180 | REQ (EIO_FCHMOD); req->int1 = fd; req->int2 = (long)mode; SEND; |
2307 | REQ (EIO_FCHMOD); req->int1 = fd; req->int2 = (long)mode; SEND; |
2181 | } |
2308 | } |
2182 | |
2309 | |
2183 | eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data) |
2310 | eio_req *eio_fchown (int fd, eio_uid_t uid, eio_gid_t gid, int pri, eio_cb cb, void *data) |
2184 | { |
2311 | { |
2185 | REQ (EIO_FCHOWN); req->int1 = fd; req->int2 = (long)uid; req->int3 = (long)gid; SEND; |
2312 | REQ (EIO_FCHOWN); req->int1 = fd; req->int2 = (long)uid; req->int3 = (long)gid; SEND; |
2186 | } |
2313 | } |
2187 | |
2314 | |
2188 | eio_req *eio_dup2 (int fd, int fd2, int pri, eio_cb cb, void *data) |
2315 | eio_req *eio_dup2 (int fd, int fd2, int pri, eio_cb cb, void *data) |
… | |
… | |
2208 | eio_req *eio_truncate (const char *path, off_t offset, int pri, eio_cb cb, void *data) |
2335 | eio_req *eio_truncate (const char *path, off_t offset, int pri, eio_cb cb, void *data) |
2209 | { |
2336 | { |
2210 | REQ (EIO_TRUNCATE); PATH; req->offs = offset; SEND; |
2337 | REQ (EIO_TRUNCATE); PATH; req->offs = offset; SEND; |
2211 | } |
2338 | } |
2212 | |
2339 | |
2213 | eio_req *eio_chown (const char *path, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data) |
2340 | eio_req *eio_chown (const char *path, eio_uid_t uid, eio_gid_t gid, int pri, eio_cb cb, void *data) |
2214 | { |
2341 | { |
2215 | REQ (EIO_CHOWN); PATH; req->int2 = (long)uid; req->int3 = (long)gid; SEND; |
2342 | REQ (EIO_CHOWN); PATH; req->int2 = (long)uid; req->int3 = (long)gid; SEND; |
2216 | } |
2343 | } |
2217 | |
2344 | |
2218 | eio_req *eio_chmod (const char *path, mode_t mode, int pri, eio_cb cb, void *data) |
2345 | eio_req *eio_chmod (const char *path, mode_t mode, int pri, eio_cb cb, void *data) |
… | |
… | |
2365 | } |
2492 | } |
2366 | |
2493 | |
2367 | /*****************************************************************************/ |
2494 | /*****************************************************************************/ |
2368 | /* misc garbage */ |
2495 | /* misc garbage */ |
2369 | |
2496 | |
2370 | ssize_t |
2497 | eio_ssize_t |
2371 | eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count) |
2498 | eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count) |
2372 | { |
2499 | { |
2373 | etp_worker wrk; |
|
|
2374 | ssize_t ret; |
|
|
2375 | |
|
|
2376 | wrk.dbuf = 0; |
|
|
2377 | |
|
|
2378 | ret = eio__sendfile (ofd, ifd, offset, count, &wrk); |
2500 | return eio__sendfile (ofd, ifd, offset, count); |
2379 | |
|
|
2380 | if (wrk.dbuf) |
|
|
2381 | free (wrk.dbuf); |
|
|
2382 | |
|
|
2383 | return ret; |
|
|
2384 | } |
2501 | } |
2385 | |
2502 | |