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56 | #ifndef EIO_REQ_MEMBERS |
56 | #ifndef EIO_REQ_MEMBERS |
57 | # define EIO_REQ_MEMBERS |
57 | # define EIO_REQ_MEMBERS |
58 | #endif |
58 | #endif |
59 | |
59 | |
60 | #ifndef EIO_STRUCT_STAT |
60 | #ifndef EIO_STRUCT_STAT |
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61 | # ifdef _WIN32 |
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62 | # define EIO_STRUCT_STAT struct _stati64 |
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63 | # define EIO_STRUCT_STATI64 |
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64 | # else |
61 | # define EIO_STRUCT_STAT struct stat |
65 | # define EIO_STRUCT_STAT struct stat |
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66 | # endif |
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67 | #endif |
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68 | |
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69 | #ifdef _WIN32 |
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70 | typedef int eio_uid_t; |
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71 | typedef int eio_gid_t; |
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72 | #ifdef __MINGW32__ /* no intptr_t */ |
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73 | typedef ssize_t eio_ssize_t; |
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74 | #else |
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75 | typedef intptr_t eio_ssize_t; /* or SSIZE_T */ |
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76 | #endif |
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77 | #if __GNUC__ |
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78 | typedef long long eio_ino_t; |
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79 | #else |
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80 | typedef __int64 eio_ino_t; /* unsigned not supported by msvc */ |
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81 | #endif |
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82 | #else |
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83 | typedef uid_t eio_uid_t; |
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84 | typedef gid_t eio_gid_t; |
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85 | typedef ssize_t eio_ssize_t; |
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86 | typedef ino_t eio_ino_t; |
62 | #endif |
87 | #endif |
63 | |
88 | |
64 | #ifndef EIO_STRUCT_STATVFS |
89 | #ifndef EIO_STRUCT_STATVFS |
65 | # define EIO_STRUCT_STATVFS struct statvfs |
90 | # define EIO_STRUCT_STATVFS struct statvfs |
66 | #endif |
91 | #endif |
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105 | { |
130 | { |
106 | int nameofs; /* offset of null-terminated name string in (char *)req->ptr2 */ |
131 | int nameofs; /* offset of null-terminated name string in (char *)req->ptr2 */ |
107 | unsigned short namelen; /* size of filename without trailing 0 */ |
132 | unsigned short namelen; /* size of filename without trailing 0 */ |
108 | unsigned char type; /* one of EIO_DT_* */ |
133 | unsigned char type; /* one of EIO_DT_* */ |
109 | signed char score; /* internal use */ |
134 | signed char score; /* internal use */ |
110 | ino_t inode; /* the inode number, if available, otherwise unspecified */ |
135 | eio_ino_t inode; /* the inode number, if available, otherwise unspecified */ |
111 | }; |
136 | }; |
112 | |
137 | |
113 | /* eio_msync flags */ |
138 | /* eio_msync flags */ |
114 | enum |
139 | enum |
115 | { |
140 | { |
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117 | EIO_MS_INVALIDATE = 2, |
142 | EIO_MS_INVALIDATE = 2, |
118 | EIO_MS_SYNC = 4 |
143 | EIO_MS_SYNC = 4 |
119 | }; |
144 | }; |
120 | |
145 | |
121 | /* eio_mtouch flags */ |
146 | /* eio_mtouch flags */ |
122 | |
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123 | enum |
147 | enum |
124 | { |
148 | { |
125 | EIO_MT_MODIFY = 1 |
149 | EIO_MT_MODIFY = 1 |
126 | }; |
150 | }; |
127 | |
151 | |
128 | /* eio_sync_file_range flags */ |
152 | /* eio_sync_file_range flags */ |
129 | |
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130 | enum |
153 | enum |
131 | { |
154 | { |
132 | EIO_SYNC_FILE_RANGE_WAIT_BEFORE = 1, |
155 | EIO_SYNC_FILE_RANGE_WAIT_BEFORE = 1, |
133 | EIO_SYNC_FILE_RANGE_WRITE = 2, |
156 | EIO_SYNC_FILE_RANGE_WRITE = 2, |
134 | EIO_SYNC_FILE_RANGE_WAIT_AFTER = 4 |
157 | EIO_SYNC_FILE_RANGE_WAIT_AFTER = 4 |
135 | }; |
158 | }; |
136 | |
159 | |
137 | typedef double eio_tstamp; /* feel free to use double in your code directly */ |
160 | /* eio_fallocate flags */ |
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161 | enum |
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162 | { |
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163 | EIO_FALLOC_FL_KEEP_SIZE = 1 /* MUST match the value in linux/falloc.h */ |
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164 | }; |
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165 | |
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166 | /* timestamps and differences - feel free to use double in your code directly */ |
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167 | typedef double eio_tstamp; |
138 | |
168 | |
139 | /* the eio request structure */ |
169 | /* the eio request structure */ |
140 | |
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141 | enum |
170 | enum |
142 | { |
171 | { |
143 | EIO_CUSTOM, |
172 | EIO_CUSTOM, |
144 | EIO_OPEN, EIO_CLOSE, EIO_DUP2, |
173 | EIO_OPEN, EIO_CLOSE, EIO_DUP2, |
145 | EIO_READ, EIO_WRITE, |
174 | EIO_READ, EIO_WRITE, |
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148 | EIO_STATVFS, EIO_FSTATVFS, |
177 | EIO_STATVFS, EIO_FSTATVFS, |
149 | EIO_TRUNCATE, EIO_FTRUNCATE, |
178 | EIO_TRUNCATE, EIO_FTRUNCATE, |
150 | EIO_UTIME, EIO_FUTIME, |
179 | EIO_UTIME, EIO_FUTIME, |
151 | EIO_CHMOD, EIO_FCHMOD, |
180 | EIO_CHMOD, EIO_FCHMOD, |
152 | EIO_CHOWN, EIO_FCHOWN, |
181 | EIO_CHOWN, EIO_FCHOWN, |
153 | EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC, |
182 | EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC, EIO_SYNCFS, |
154 | EIO_MSYNC, EIO_MTOUCH, EIO_SYNC_FILE_RANGE, |
183 | EIO_MSYNC, EIO_MTOUCH, EIO_SYNC_FILE_RANGE, EIO_FALLOCATE, |
155 | EIO_MLOCK, EIO_MLOCKALL, |
184 | EIO_MLOCK, EIO_MLOCKALL, |
156 | EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME, |
185 | EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME, |
157 | EIO_MKNOD, EIO_READDIR, |
186 | EIO_MKNOD, EIO_READDIR, |
158 | EIO_LINK, EIO_SYMLINK, EIO_READLINK, EIO_REALPATH, |
187 | EIO_LINK, EIO_SYMLINK, EIO_READLINK, EIO_REALPATH, |
159 | EIO_GROUP, EIO_NOP, |
188 | EIO_GROUP, EIO_NOP, |
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180 | /* when initialising it, all members must be zero-initialised */ |
209 | /* when initialising it, all members must be zero-initialised */ |
181 | struct eio_req |
210 | struct eio_req |
182 | { |
211 | { |
183 | eio_req volatile *next; /* private ETP */ |
212 | eio_req volatile *next; /* private ETP */ |
184 | |
213 | |
185 | ssize_t result; /* result of syscall, e.g. result = read (... */ |
214 | eio_ssize_t result; /* result of syscall, e.g. result = read (... */ |
186 | off_t offs; /* read, write, truncate, readahead, sync_file_range: file offset, mknod: dev_t */ |
215 | off_t offs; /* read, write, truncate, readahead, sync_file_range, fallocate: file offset, mknod: dev_t */ |
187 | size_t size; /* read, write, readahead, sendfile, msync, mlock, sync_file_range: length */ |
216 | size_t size; /* read, write, readahead, sendfile, msync, mlock, sync_file_range, fallocate: length */ |
188 | void *ptr1; /* all applicable requests: pathname, old name; readdir: optional eio_dirents */ |
217 | void *ptr1; /* all applicable requests: pathname, old name; readdir: optional eio_dirents */ |
189 | void *ptr2; /* all applicable requests: new name or memory buffer; readdir: name strings */ |
218 | void *ptr2; /* all applicable requests: new name or memory buffer; readdir: name strings */ |
190 | eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */ |
219 | eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */ |
191 | eio_tstamp nv2; /* utime, futime: mtime */ |
220 | eio_tstamp nv2; /* utime, futime: mtime */ |
192 | |
221 | |
193 | int type; /* EIO_xxx constant ETP */ |
222 | int type; /* EIO_xxx constant ETP */ |
194 | int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, mlockall, readdir: flags */ |
223 | int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, mlockall, readdir: flags */ |
195 | long int2; /* chown, fchown: uid; sendfile: input fd; open, chmod, mkdir, mknod: file mode, sync_file_range: flags */ |
224 | long int2; /* chown, fchown: uid; sendfile: input fd; open, chmod, mkdir, mknod: file mode, sync_file_range, fallocate: flags */ |
196 | long int3; /* chown, fchown: gid */ |
225 | long int3; /* chown, fchown: gid */ |
197 | int errorno; /* errno value on syscall return */ |
226 | int errorno; /* errno value on syscall return */ |
198 | |
227 | |
199 | #if __i386 || __amd64 |
228 | #if __i386 || __amd64 |
200 | unsigned char cancelled; |
229 | unsigned char cancelled; |
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261 | eio_req *eio_nop (int pri, eio_cb cb, void *data); /* does nothing except go through the whole process */ |
290 | eio_req *eio_nop (int pri, eio_cb cb, void *data); /* does nothing except go through the whole process */ |
262 | eio_req *eio_busy (eio_tstamp delay, int pri, eio_cb cb, void *data); /* ties a thread for this long, simulating busyness */ |
291 | eio_req *eio_busy (eio_tstamp delay, int pri, eio_cb cb, void *data); /* ties a thread for this long, simulating busyness */ |
263 | eio_req *eio_sync (int pri, eio_cb cb, void *data); |
292 | eio_req *eio_sync (int pri, eio_cb cb, void *data); |
264 | eio_req *eio_fsync (int fd, int pri, eio_cb cb, void *data); |
293 | eio_req *eio_fsync (int fd, int pri, eio_cb cb, void *data); |
265 | eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data); |
294 | eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data); |
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295 | eio_req *eio_syncfs (int fd, int pri, eio_cb cb, void *data); |
266 | eio_req *eio_msync (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data); |
296 | eio_req *eio_msync (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data); |
267 | eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data); |
297 | eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data); |
268 | eio_req *eio_mlock (void *addr, size_t length, int pri, eio_cb cb, void *data); |
298 | eio_req *eio_mlock (void *addr, size_t length, int pri, eio_cb cb, void *data); |
269 | eio_req *eio_mlockall (int flags, int pri, eio_cb cb, void *data); |
299 | eio_req *eio_mlockall (int flags, int pri, eio_cb cb, void *data); |
270 | eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data); |
300 | eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data); |
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301 | eio_req *eio_fallocate (int fd, int mode, off_t offset, size_t len, int pri, eio_cb cb, void *data); |
271 | eio_req *eio_close (int fd, int pri, eio_cb cb, void *data); |
302 | eio_req *eio_close (int fd, int pri, eio_cb cb, void *data); |
272 | eio_req *eio_readahead (int fd, off_t offset, size_t length, int pri, eio_cb cb, void *data); |
303 | eio_req *eio_readahead (int fd, off_t offset, size_t length, int pri, eio_cb cb, void *data); |
273 | eio_req *eio_read (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data); |
304 | eio_req *eio_read (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data); |
274 | eio_req *eio_write (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data); |
305 | eio_req *eio_write (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data); |
275 | eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ |
306 | eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ |
276 | eio_req *eio_fstatvfs (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ |
307 | eio_req *eio_fstatvfs (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ |
277 | eio_req *eio_futime (int fd, eio_tstamp atime, eio_tstamp mtime, int pri, eio_cb cb, void *data); |
308 | eio_req *eio_futime (int fd, eio_tstamp atime, eio_tstamp mtime, int pri, eio_cb cb, void *data); |
278 | eio_req *eio_ftruncate (int fd, off_t offset, int pri, eio_cb cb, void *data); |
309 | eio_req *eio_ftruncate (int fd, off_t offset, int pri, eio_cb cb, void *data); |
279 | eio_req *eio_fchmod (int fd, mode_t mode, int pri, eio_cb cb, void *data); |
310 | eio_req *eio_fchmod (int fd, mode_t mode, int pri, eio_cb cb, void *data); |
280 | eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data); |
311 | eio_req *eio_fchown (int fd, eio_uid_t uid, eio_gid_t gid, int pri, eio_cb cb, void *data); |
281 | eio_req *eio_dup2 (int fd, int fd2, int pri, eio_cb cb, void *data); |
312 | eio_req *eio_dup2 (int fd, int fd2, int pri, eio_cb cb, void *data); |
282 | eio_req *eio_sendfile (int out_fd, int in_fd, off_t in_offset, size_t length, int pri, eio_cb cb, void *data); |
313 | eio_req *eio_sendfile (int out_fd, int in_fd, off_t in_offset, size_t length, int pri, eio_cb cb, void *data); |
283 | eio_req *eio_open (const char *path, int flags, mode_t mode, int pri, eio_cb cb, void *data); |
314 | eio_req *eio_open (const char *path, int flags, mode_t mode, int pri, eio_cb cb, void *data); |
284 | eio_req *eio_utime (const char *path, eio_tstamp atime, eio_tstamp mtime, int pri, eio_cb cb, void *data); |
315 | eio_req *eio_utime (const char *path, eio_tstamp atime, eio_tstamp mtime, int pri, eio_cb cb, void *data); |
285 | eio_req *eio_truncate (const char *path, off_t offset, int pri, eio_cb cb, void *data); |
316 | eio_req *eio_truncate (const char *path, off_t offset, int pri, eio_cb cb, void *data); |
286 | eio_req *eio_chown (const char *path, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data); |
317 | eio_req *eio_chown (const char *path, eio_uid_t uid, eio_gid_t gid, int pri, eio_cb cb, void *data); |
287 | eio_req *eio_chmod (const char *path, mode_t mode, int pri, eio_cb cb, void *data); |
318 | eio_req *eio_chmod (const char *path, mode_t mode, int pri, eio_cb cb, void *data); |
288 | eio_req *eio_mkdir (const char *path, mode_t mode, int pri, eio_cb cb, void *data); |
319 | eio_req *eio_mkdir (const char *path, mode_t mode, int pri, eio_cb cb, void *data); |
289 | eio_req *eio_readdir (const char *path, int flags, int pri, eio_cb cb, void *data); /* result=ptr2 allocated dynamically */ |
320 | eio_req *eio_readdir (const char *path, int flags, int pri, eio_cb cb, void *data); /* result=ptr2 allocated dynamically */ |
290 | eio_req *eio_rmdir (const char *path, int pri, eio_cb cb, void *data); |
321 | eio_req *eio_rmdir (const char *path, int pri, eio_cb cb, void *data); |
291 | eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data); |
322 | eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data); |
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329 | void eio_cancel (eio_req *req); |
360 | void eio_cancel (eio_req *req); |
330 | |
361 | |
331 | /*****************************************************************************/ |
362 | /*****************************************************************************/ |
332 | /* convenience functions */ |
363 | /* convenience functions */ |
333 | |
364 | |
334 | ssize_t eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count); |
365 | eio_ssize_t eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count); |
335 | |
366 | |
336 | #ifdef __cplusplus |
367 | #ifdef __cplusplus |
337 | } |
368 | } |
338 | #endif |
369 | #endif |
339 | |
370 | |