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Comparing libeio/eio.h (file contents):
Revision 1.38 by root, Thu Jul 14 19:19:22 2011 UTC vs.
Revision 1.46 by root, Mon Sep 26 16:54:25 2011 UTC

… …
64# else 64# else
65# define EIO_STRUCT_STAT struct stat 65# define EIO_STRUCT_STAT struct stat
66# endif 66# endif
67#endif 67#endif
68 68
69#ifdef _WIN32
70 typedef int eio_uid_t;
71 typedef int eio_gid_t;
72 #ifdef __MINGW32__ /* no intptr_t */
73 typedef ssize_t eio_ssize_t;
74 #else
75 typedef intptr_t eio_ssize_t; /* or SSIZE_T */
76 #endif
77 #if __GNUC__
78 typedef long long eio_ino_t; /* signed for compatibility to msvc */
79 #else
80 typedef __int64 eio_ino_t; /* unsigned not supported by msvc */
81 #endif
82#else
83 typedef uid_t eio_uid_t;
84 typedef gid_t eio_gid_t;
85 typedef ssize_t eio_ssize_t;
86 typedef ino_t eio_ino_t;
87#endif
88
69#ifndef EIO_STRUCT_STATVFS 89#ifndef EIO_STRUCT_STATVFS
70# define EIO_STRUCT_STATVFS struct statvfs 90# define EIO_STRUCT_STATVFS struct statvfs
71#endif 91#endif
92
93/* managing working directories */
94
95typedef void *eio_wd;
96
97#define EIO_CWD 0 /* the current working directory of the process, guaranteed to be a null pointer */
98#define EIO_INVALID_WD ((eio_wd)(int)-1) /* failure return for eio_wd_open */
99
100eio_wd eio_wd_open_sync (eio_wd wd, const char *path);
101void eio_wd_close_sync (eio_wd wd);
72 102
73/* for readdir */ 103/* for readdir */
74 104
75/* eio_readdir flags */ 105/* eio_readdir flags */
76enum 106enum
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110{ 140{
111 int nameofs; /* offset of null-terminated name string in (char *)req->ptr2 */ 141 int nameofs; /* offset of null-terminated name string in (char *)req->ptr2 */
112 unsigned short namelen; /* size of filename without trailing 0 */ 142 unsigned short namelen; /* size of filename without trailing 0 */
113 unsigned char type; /* one of EIO_DT_* */ 143 unsigned char type; /* one of EIO_DT_* */
114 signed char score; /* internal use */ 144 signed char score; /* internal use */
115 ino_t inode; /* the inode number, if available, otherwise unspecified */ 145 eio_ino_t inode; /* the inode number, if available, otherwise unspecified */
116}; 146};
117 147
118/* eio_msync flags */ 148/* eio_msync flags */
119enum 149enum
120{ 150{
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148 178
149/* the eio request structure */ 179/* the eio request structure */
150enum 180enum
151{ 181{
152 EIO_CUSTOM, 182 EIO_CUSTOM,
183 EIO_WD_OPEN, EIO_WD_CLOSE,
184
153 EIO_OPEN, EIO_CLOSE, EIO_DUP2, 185 EIO_CLOSE, EIO_DUP2,
154 EIO_READ, EIO_WRITE, 186 EIO_READ, EIO_WRITE,
155 EIO_READAHEAD, EIO_SENDFILE, 187 EIO_READAHEAD, EIO_SENDFILE,
156 EIO_STAT, EIO_LSTAT, EIO_FSTAT,
157 EIO_STATVFS, EIO_FSTATVFS, 188 EIO_FSTAT, EIO_FSTATVFS,
158 EIO_TRUNCATE, EIO_FTRUNCATE, 189 EIO_FTRUNCATE, EIO_FUTIME, EIO_FCHMOD, EIO_FCHOWN,
159 EIO_UTIME, EIO_FUTIME,
160 EIO_CHMOD, EIO_FCHMOD,
161 EIO_CHOWN, EIO_FCHOWN,
162 EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC, 190 EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC, EIO_SYNCFS,
163 EIO_MSYNC, EIO_MTOUCH, EIO_SYNC_FILE_RANGE, EIO_FALLOCATE, 191 EIO_MSYNC, EIO_MTOUCH, EIO_SYNC_FILE_RANGE, EIO_FALLOCATE,
164 EIO_MLOCK, EIO_MLOCKALL, 192 EIO_MLOCK, EIO_MLOCKALL,
193 EIO_GROUP, EIO_NOP,
194 EIO_BUSY,
195
196 /* these use wd + ptr1, but are emulated */
197 EIO_REALPATH,
198 EIO_STATVFS,
199 EIO_READDIR,
200
201 /* all the following requests use wd + ptr1 as path in xxxat functions */
202 EIO_OPEN,
203 EIO_STAT, EIO_LSTAT,
204 EIO_TRUNCATE,
205 EIO_UTIME,
206 EIO_CHMOD,
207 EIO_CHOWN,
165 EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME, 208 EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME,
166 EIO_MKNOD, EIO_READDIR, 209 EIO_MKNOD,
167 EIO_LINK, EIO_SYMLINK, EIO_READLINK, EIO_REALPATH, 210 EIO_LINK, EIO_SYMLINK, EIO_READLINK,
168 EIO_GROUP, EIO_NOP, 211
169 EIO_BUSY 212 EIO_REQ_TYPE_NUM
170}; 213};
171 214
172/* mlockall constants */ 215/* mlockall constants */
173enum 216enum
174{ 217{
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189/* when initialising it, all members must be zero-initialised */ 232/* when initialising it, all members must be zero-initialised */
190struct eio_req 233struct eio_req
191{ 234{
192 eio_req volatile *next; /* private ETP */ 235 eio_req volatile *next; /* private ETP */
193 236
237 eio_wd wd; /* all applicable requests: working directory of pathname, old name; wd_open: return wd */
238
194 ssize_t result; /* result of syscall, e.g. result = read (... */ 239 eio_ssize_t result; /* result of syscall, e.g. result = read (... */
195 off_t offs; /* read, write, truncate, readahead, sync_file_range, fallocate: file offset, mknod: dev_t */ 240 off_t offs; /* read, write, truncate, readahead, sync_file_range, fallocate: file offset, mknod: dev_t */
196 size_t size; /* read, write, readahead, sendfile, msync, mlock, sync_file_range, fallocate: length */ 241 size_t size; /* read, write, readahead, sendfile, msync, mlock, sync_file_range, fallocate: length */
197 void *ptr1; /* all applicable requests: pathname, old name; readdir: optional eio_dirents */ 242 void *ptr1; /* all applicable requests: pathname, old name; readdir: optional eio_dirents */
198 void *ptr2; /* all applicable requests: new name or memory buffer; readdir: name strings */ 243 void *ptr2; /* all applicable requests: new name or memory buffer; readdir: name strings */
199 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */ 244 eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */
200 eio_tstamp nv2; /* utime, futime: mtime */ 245 eio_tstamp nv2; /* utime, futime: mtime */
201 246
202 int type; /* EIO_xxx constant ETP */ 247 int type; /* EIO_xxx constant ETP */
203 int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, mlockall, readdir: flags */ 248 int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, mlockall, readdir: flags */
204 long int2; /* chown, fchown: uid; sendfile: input fd; open, chmod, mkdir, mknod: file mode, sync_file_range, fallocate: flags */ 249 long int2; /* chown, fchown: uid; sendfile: input fd; open, chmod, mkdir, mknod: file mode, sync_file_range, fallocate: flags */
205 long int3; /* chown, fchown: gid */ 250 long int3; /* chown, fchown: gid; rename: working directory of new name */
206 int errorno; /* errno value on syscall return */ 251 int errorno; /* errno value on syscall return */
207 252
208#if __i386 || __amd64 253#if __i386 || __amd64
209 unsigned char cancelled; 254 unsigned char cancelled;
210#else 255#else
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270eio_req *eio_nop (int pri, eio_cb cb, void *data); /* does nothing except go through the whole process */ 315eio_req *eio_nop (int pri, eio_cb cb, void *data); /* does nothing except go through the whole process */
271eio_req *eio_busy (eio_tstamp delay, int pri, eio_cb cb, void *data); /* ties a thread for this long, simulating busyness */ 316eio_req *eio_busy (eio_tstamp delay, int pri, eio_cb cb, void *data); /* ties a thread for this long, simulating busyness */
272eio_req *eio_sync (int pri, eio_cb cb, void *data); 317eio_req *eio_sync (int pri, eio_cb cb, void *data);
273eio_req *eio_fsync (int fd, int pri, eio_cb cb, void *data); 318eio_req *eio_fsync (int fd, int pri, eio_cb cb, void *data);
274eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data); 319eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data);
320eio_req *eio_syncfs (int fd, int pri, eio_cb cb, void *data);
275eio_req *eio_msync (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data); 321eio_req *eio_msync (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data);
276eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data); 322eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data);
277eio_req *eio_mlock (void *addr, size_t length, int pri, eio_cb cb, void *data); 323eio_req *eio_mlock (void *addr, size_t length, int pri, eio_cb cb, void *data);
278eio_req *eio_mlockall (int flags, int pri, eio_cb cb, void *data); 324eio_req *eio_mlockall (int flags, int pri, eio_cb cb, void *data);
279eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data); 325eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data);
… …
285eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ 331eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
286eio_req *eio_fstatvfs (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ 332eio_req *eio_fstatvfs (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */
287eio_req *eio_futime (int fd, eio_tstamp atime, eio_tstamp mtime, int pri, eio_cb cb, void *data); 333eio_req *eio_futime (int fd, eio_tstamp atime, eio_tstamp mtime, int pri, eio_cb cb, void *data);
288eio_req *eio_ftruncate (int fd, off_t offset, int pri, eio_cb cb, void *data); 334eio_req *eio_ftruncate (int fd, off_t offset, int pri, eio_cb cb, void *data);
289eio_req *eio_fchmod (int fd, mode_t mode, int pri, eio_cb cb, void *data); 335eio_req *eio_fchmod (int fd, mode_t mode, int pri, eio_cb cb, void *data);
290eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data); 336eio_req *eio_fchown (int fd, eio_uid_t uid, eio_gid_t gid, int pri, eio_cb cb, void *data);
291eio_req *eio_dup2 (int fd, int fd2, int pri, eio_cb cb, void *data); 337eio_req *eio_dup2 (int fd, int fd2, int pri, eio_cb cb, void *data);
292eio_req *eio_sendfile (int out_fd, int in_fd, off_t in_offset, size_t length, int pri, eio_cb cb, void *data); 338eio_req *eio_sendfile (int out_fd, int in_fd, off_t in_offset, size_t length, int pri, eio_cb cb, void *data);
293eio_req *eio_open (const char *path, int flags, mode_t mode, int pri, eio_cb cb, void *data); 339eio_req *eio_open (const char *path, int flags, mode_t mode, int pri, eio_cb cb, void *data);
294eio_req *eio_utime (const char *path, eio_tstamp atime, eio_tstamp mtime, int pri, eio_cb cb, void *data); 340eio_req *eio_utime (const char *path, eio_tstamp atime, eio_tstamp mtime, int pri, eio_cb cb, void *data);
295eio_req *eio_truncate (const char *path, off_t offset, int pri, eio_cb cb, void *data); 341eio_req *eio_truncate (const char *path, off_t offset, int pri, eio_cb cb, void *data);
296eio_req *eio_chown (const char *path, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data); 342eio_req *eio_chown (const char *path, eio_uid_t uid, eio_gid_t gid, int pri, eio_cb cb, void *data);
297eio_req *eio_chmod (const char *path, mode_t mode, int pri, eio_cb cb, void *data); 343eio_req *eio_chmod (const char *path, mode_t mode, int pri, eio_cb cb, void *data);
298eio_req *eio_mkdir (const char *path, mode_t mode, int pri, eio_cb cb, void *data); 344eio_req *eio_mkdir (const char *path, mode_t mode, int pri, eio_cb cb, void *data);
299eio_req *eio_readdir (const char *path, int flags, int pri, eio_cb cb, void *data); /* result=ptr2 allocated dynamically */ 345eio_req *eio_readdir (const char *path, int flags, int pri, eio_cb cb, void *data); /* result=ptr2 allocated dynamically */
300eio_req *eio_rmdir (const char *path, int pri, eio_cb cb, void *data); 346eio_req *eio_rmdir (const char *path, int pri, eio_cb cb, void *data);
301eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data); 347eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data);
… …
339void eio_cancel (eio_req *req); 385void eio_cancel (eio_req *req);
340 386
341/*****************************************************************************/ 387/*****************************************************************************/
342/* convenience functions */ 388/* convenience functions */
343 389
344ssize_t eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count); 390eio_ssize_t eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count);
345 391
346#ifdef __cplusplus 392#ifdef __cplusplus
347} 393}
348#endif 394#endif
349 395

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