1 | /* |
1 | /* |
2 | * libeio API header |
2 | * libeio API header |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libeio@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libeio@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
38 | */ |
38 | */ |
39 | |
39 | |
40 | #ifndef EIO_H_ |
40 | #ifndef EIO_H_ |
41 | #define EIO_H_ |
41 | #define EIO_H_ |
42 | |
42 | |
|
|
43 | #ifdef __cplusplus |
|
|
44 | extern "C" { |
|
|
45 | #endif |
|
|
46 | |
43 | #include <stddef.h> |
47 | #include <stddef.h> |
|
|
48 | #include <signal.h> |
44 | #include <sys/types.h> |
49 | #include <sys/types.h> |
45 | |
50 | |
46 | typedef struct eio_req eio_req; |
51 | typedef struct eio_req eio_req; |
|
|
52 | typedef struct eio_dirent eio_dirent; |
47 | |
53 | |
48 | typedef int (*eio_cb)(eio_req *req); |
54 | typedef int (*eio_cb)(eio_req *req); |
49 | |
55 | |
50 | #ifndef EIO_REQ_MEMBERS |
56 | #ifndef EIO_REQ_MEMBERS |
51 | # define EIO_REQ_MEMBERS |
57 | # define EIO_REQ_MEMBERS |
52 | #endif |
58 | #endif |
53 | |
59 | |
54 | #ifndef EIO_STRUCT_STAT |
60 | #ifndef EIO_STRUCT_STAT |
|
|
61 | # ifdef _WIN32 |
|
|
62 | # define EIO_STRUCT_STAT struct _stati64 |
|
|
63 | # define EIO_STRUCT_STATI64 |
|
|
64 | # else |
55 | # define EIO_STRUCT_STAT struct stat |
65 | # define EIO_STRUCT_STAT struct stat |
56 | #endif |
66 | # endif |
|
|
67 | #endif |
57 | |
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 | |
|
|
89 | #ifndef EIO_STRUCT_STATVFS |
|
|
90 | # define EIO_STRUCT_STATVFS struct statvfs |
|
|
91 | #endif |
|
|
92 | |
|
|
93 | /* for readdir */ |
|
|
94 | |
|
|
95 | /* eio_readdir flags */ |
58 | enum { |
96 | enum |
|
|
97 | { |
|
|
98 | EIO_READDIR_DENTS = 0x01, /* ptr2 contains eio_dirents, not just the (unsorted) names */ |
|
|
99 | EIO_READDIR_DIRS_FIRST = 0x02, /* dirents gets sorted into a good stat() ing order to find directories first */ |
|
|
100 | EIO_READDIR_STAT_ORDER = 0x04, /* dirents gets sorted into a good stat() ing order to quickly stat all files */ |
|
|
101 | EIO_READDIR_FOUND_UNKNOWN = 0x80, /* set by eio_readdir when *_ARRAY was set and any TYPE=UNKNOWN's were found */ |
|
|
102 | |
|
|
103 | EIO_READDIR_CUSTOM1 = 0x100, /* for use by apps */ |
|
|
104 | EIO_READDIR_CUSTOM2 = 0x200 /* for use by apps */ |
|
|
105 | }; |
|
|
106 | |
|
|
107 | /* using "typical" values in the hope that the compiler will do something sensible */ |
|
|
108 | enum eio_dtype |
|
|
109 | { |
|
|
110 | EIO_DT_UNKNOWN = 0, |
|
|
111 | EIO_DT_FIFO = 1, |
|
|
112 | EIO_DT_CHR = 2, |
|
|
113 | EIO_DT_MPC = 3, /* multiplexed char device (v7+coherent) */ |
|
|
114 | EIO_DT_DIR = 4, |
|
|
115 | EIO_DT_NAM = 5, /* xenix special named file */ |
|
|
116 | EIO_DT_BLK = 6, |
|
|
117 | EIO_DT_MPB = 7, /* multiplexed block device (v7+coherent) */ |
|
|
118 | EIO_DT_REG = 8, |
|
|
119 | EIO_DT_NWK = 9, /* HP-UX network special */ |
|
|
120 | EIO_DT_CMP = 9, /* VxFS compressed */ |
|
|
121 | EIO_DT_LNK = 10, |
|
|
122 | /* DT_SHAD = 11,*/ |
|
|
123 | EIO_DT_SOCK = 12, |
|
|
124 | EIO_DT_DOOR = 13, /* solaris door */ |
|
|
125 | EIO_DT_WHT = 14, |
|
|
126 | EIO_DT_MAX = 15 /* highest DT_VALUE ever, hopefully */ |
|
|
127 | }; |
|
|
128 | |
|
|
129 | struct eio_dirent |
|
|
130 | { |
|
|
131 | int nameofs; /* offset of null-terminated name string in (char *)req->ptr2 */ |
|
|
132 | unsigned short namelen; /* size of filename without trailing 0 */ |
|
|
133 | unsigned char type; /* one of EIO_DT_* */ |
|
|
134 | signed char score; /* internal use */ |
|
|
135 | eio_ino_t inode; /* the inode number, if available, otherwise unspecified */ |
|
|
136 | }; |
|
|
137 | |
|
|
138 | /* eio_msync flags */ |
|
|
139 | enum |
|
|
140 | { |
|
|
141 | EIO_MS_ASYNC = 1, |
|
|
142 | EIO_MS_INVALIDATE = 2, |
|
|
143 | EIO_MS_SYNC = 4 |
|
|
144 | }; |
|
|
145 | |
|
|
146 | /* eio_mtouch flags */ |
|
|
147 | enum |
|
|
148 | { |
|
|
149 | EIO_MT_MODIFY = 1 |
|
|
150 | }; |
|
|
151 | |
|
|
152 | /* eio_sync_file_range flags */ |
|
|
153 | enum |
|
|
154 | { |
|
|
155 | EIO_SYNC_FILE_RANGE_WAIT_BEFORE = 1, |
|
|
156 | EIO_SYNC_FILE_RANGE_WRITE = 2, |
|
|
157 | EIO_SYNC_FILE_RANGE_WAIT_AFTER = 4 |
|
|
158 | }; |
|
|
159 | |
|
|
160 | /* eio_fallocate flags */ |
|
|
161 | enum |
|
|
162 | { |
|
|
163 | EIO_FALLOC_FL_KEEP_SIZE = 1 /* MUST match the value in linux/falloc.h */ |
|
|
164 | }; |
|
|
165 | |
|
|
166 | /* timestamps and differences - feel free to use double in your code directly */ |
|
|
167 | typedef double eio_tstamp; |
|
|
168 | |
|
|
169 | /* the eio request structure */ |
|
|
170 | enum |
|
|
171 | { |
|
|
172 | EIO_CUSTOM, |
59 | EIO_OPEN, EIO_CLOSE, EIO_DUP2, |
173 | EIO_OPEN, EIO_CLOSE, EIO_DUP2, |
60 | EIO_READ, EIO_WRITE, |
174 | EIO_READ, EIO_WRITE, |
61 | EIO_READAHEAD, EIO_SENDFILE, |
175 | EIO_READAHEAD, EIO_SENDFILE, |
62 | EIO_STAT, EIO_LSTAT, EIO_FSTAT, |
176 | EIO_STAT, EIO_LSTAT, EIO_FSTAT, |
|
|
177 | EIO_STATVFS, EIO_FSTATVFS, |
63 | EIO_TRUNCATE, EIO_FTRUNCATE, |
178 | EIO_TRUNCATE, EIO_FTRUNCATE, |
64 | EIO_UTIME, EIO_FUTIME, |
179 | EIO_UTIME, EIO_FUTIME, |
65 | EIO_CHMOD, EIO_FCHMOD, |
180 | EIO_CHMOD, EIO_FCHMOD, |
66 | EIO_CHOWN, EIO_FCHOWN, |
181 | EIO_CHOWN, EIO_FCHOWN, |
67 | EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC, |
182 | EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC, EIO_SYNCFS, |
|
|
183 | EIO_MSYNC, EIO_MTOUCH, EIO_SYNC_FILE_RANGE, EIO_FALLOCATE, |
|
|
184 | EIO_MLOCK, EIO_MLOCKALL, |
68 | EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME, |
185 | EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME, |
69 | EIO_MKNOD, EIO_READDIR, |
186 | EIO_MKNOD, EIO_READDIR, |
70 | EIO_LINK, EIO_SYMLINK, EIO_READLINK, |
187 | EIO_LINK, EIO_SYMLINK, EIO_READLINK, EIO_REALPATH, |
71 | EIO_GROUP, EIO_NOP, |
188 | EIO_GROUP, EIO_NOP, |
72 | EIO_BUSY, |
189 | EIO_BUSY |
73 | }; |
190 | }; |
74 | |
191 | |
75 | typedef double eio_tstamp; /* feel free to use double in your code directly */ |
192 | /* mlockall constants */ |
76 | |
|
|
77 | /* eio request structure */ |
|
|
78 | /* this structure is mostly read-only */ |
|
|
79 | struct eio_req |
|
|
80 | { |
|
|
81 | eio_req volatile *next; /* private ETP */ |
|
|
82 | |
|
|
83 | ssize_t result; /* result of syscall, e.g. result = read (... */ |
|
|
84 | off_t offs; /* read, write, truncate, readahead: file offset; mknod: dev_t */ |
|
|
85 | size_t size; /* read, write, readahead, sendfile: length */ |
|
|
86 | void *ptr1; /* all applicable requests: pathname, old name */ |
|
|
87 | void *ptr2; /* all applicable requests: new name or memory buffer */ |
|
|
88 | eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */ |
|
|
89 | eio_tstamp nv2; /* utime, futime: mtime */ |
|
|
90 | |
|
|
91 | int type; /* EIO_xxx constant ETP */ |
|
|
92 | int int1; /* all applicable requests: file descriptor; sendfile: output fd; open: flags */ |
|
|
93 | long int2; /* chown, fchown: uid; sendfile: input fd; open, chmod, mkdir, mknod: file mode */ |
|
|
94 | long int3; /* chown, fchown: gid */ |
|
|
95 | int errorno; /* errno value on syscall return */ |
|
|
96 | |
|
|
97 | unsigned char flags; /* private */ |
|
|
98 | signed char pri; /* the priority */ |
|
|
99 | |
|
|
100 | void *data; |
|
|
101 | eio_cb finish; |
|
|
102 | void (*destroy)(eio_req *req); /* called when requets no longer needed */ |
|
|
103 | void (*feed)(eio_req *req); /* only used for group requests */ |
|
|
104 | |
|
|
105 | EIO_REQ_MEMBERS |
|
|
106 | |
|
|
107 | eio_req *grp, *grp_prev, *grp_next, *grp_first; /* private */ |
|
|
108 | }; |
|
|
109 | |
|
|
110 | enum { |
193 | enum |
111 | EIO_FLAG_CANCELLED = 0x01, /* request was cancelled */ |
194 | { |
112 | EIO_FLAG_PTR1_FREE = 0x02, /* need to free(ptr1) */ |
195 | EIO_MCL_CURRENT = 1, |
113 | EIO_FLAG_PTR2_FREE = 0x04 /* need to free(ptr2) */ |
196 | EIO_MCL_FUTURE = 2, |
114 | }; |
197 | }; |
|
|
198 | |
|
|
199 | /* request priorities */ |
115 | |
200 | |
116 | enum { |
201 | enum { |
117 | EIO_PRI_MIN = -4, |
202 | EIO_PRI_MIN = -4, |
118 | EIO_PRI_MAX = 4, |
203 | EIO_PRI_MAX = 4, |
119 | |
|
|
120 | EIO_PRI_DEFAULT = 0, |
204 | EIO_PRI_DEFAULT = 0, |
121 | }; |
205 | }; |
|
|
206 | |
|
|
207 | /* eio request structure */ |
|
|
208 | /* this structure is mostly read-only */ |
|
|
209 | /* when initialising it, all members must be zero-initialised */ |
|
|
210 | struct eio_req |
|
|
211 | { |
|
|
212 | eio_req volatile *next; /* private ETP */ |
|
|
213 | |
|
|
214 | eio_ssize_t result; /* result of syscall, e.g. result = read (... */ |
|
|
215 | off_t offs; /* read, write, truncate, readahead, sync_file_range, fallocate: file offset, mknod: dev_t */ |
|
|
216 | size_t size; /* read, write, readahead, sendfile, msync, mlock, sync_file_range, fallocate: length */ |
|
|
217 | void *ptr1; /* all applicable requests: pathname, old name; readdir: optional eio_dirents */ |
|
|
218 | void *ptr2; /* all applicable requests: new name or memory buffer; readdir: name strings */ |
|
|
219 | eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */ |
|
|
220 | eio_tstamp nv2; /* utime, futime: mtime */ |
|
|
221 | |
|
|
222 | int type; /* EIO_xxx constant ETP */ |
|
|
223 | int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, mlockall, readdir: flags */ |
|
|
224 | long int2; /* chown, fchown: uid; sendfile: input fd; open, chmod, mkdir, mknod: file mode, sync_file_range, fallocate: flags */ |
|
|
225 | long int3; /* chown, fchown: gid */ |
|
|
226 | int errorno; /* errno value on syscall return */ |
|
|
227 | |
|
|
228 | #if __i386 || __amd64 |
|
|
229 | unsigned char cancelled; |
|
|
230 | #else |
|
|
231 | sig_atomic_t cancelled; |
|
|
232 | #endif |
|
|
233 | |
|
|
234 | unsigned char flags; /* private */ |
|
|
235 | signed char pri; /* the priority */ |
|
|
236 | |
|
|
237 | void *data; |
|
|
238 | eio_cb finish; |
|
|
239 | void (*destroy)(eio_req *req); /* called when request no longer needed */ |
|
|
240 | void (*feed)(eio_req *req); /* only used for group requests */ |
|
|
241 | |
|
|
242 | EIO_REQ_MEMBERS |
|
|
243 | |
|
|
244 | eio_req *grp, *grp_prev, *grp_next, *grp_first; /* private */ |
|
|
245 | }; |
|
|
246 | |
|
|
247 | /* _private_ request flags */ |
|
|
248 | enum { |
|
|
249 | EIO_FLAG_PTR1_FREE = 0x01, /* need to free(ptr1) */ |
|
|
250 | EIO_FLAG_PTR2_FREE = 0x02, /* need to free(ptr2) */ |
|
|
251 | EIO_FLAG_GROUPADD = 0x04 /* some request was added to the group */ |
|
|
252 | }; |
|
|
253 | |
|
|
254 | /* undocumented/unsupported/private helper */ |
|
|
255 | /*void eio_page_align (void **addr, size_t *length);*/ |
122 | |
256 | |
123 | /* returns < 0 on error, errno set |
257 | /* returns < 0 on error, errno set |
124 | * need_poll, if non-zero, will be called when results are available |
258 | * need_poll, if non-zero, will be called when results are available |
125 | * and eio_poll_cb needs to be invoked (it MUST NOT call eio_poll_cb itself). |
259 | * and eio_poll_cb needs to be invoked (it MUST NOT call eio_poll_cb itself). |
126 | * done_poll is called when the need to poll is gone. |
260 | * done_poll is called when the need to poll is gone. |
… | |
… | |
140 | * maximum wanted number |
274 | * maximum wanted number |
141 | * or maximum idle number of threads */ |
275 | * or maximum idle number of threads */ |
142 | void eio_set_min_parallel (unsigned int nthreads); |
276 | void eio_set_min_parallel (unsigned int nthreads); |
143 | void eio_set_max_parallel (unsigned int nthreads); |
277 | void eio_set_max_parallel (unsigned int nthreads); |
144 | void eio_set_max_idle (unsigned int nthreads); |
278 | void eio_set_max_idle (unsigned int nthreads); |
|
|
279 | void eio_set_idle_timeout (unsigned int seconds); |
145 | |
280 | |
146 | unsigned int eio_nreqs (void); /* number of requests in-flight */ |
281 | unsigned int eio_nreqs (void); /* number of requests in-flight */ |
147 | unsigned int eio_nready (void); /* number of not-yet handled requests */ |
282 | unsigned int eio_nready (void); /* number of not-yet handled requests */ |
148 | unsigned int eio_npending (void); /* numbe rof finished but unhandled requests */ |
283 | unsigned int eio_npending (void); /* number of finished but unhandled requests */ |
149 | unsigned int eio_nthreads (void); /* number of worker threads in use currently */ |
284 | unsigned int eio_nthreads (void); /* number of worker threads in use currently */ |
150 | |
285 | |
151 | /*****************************************************************************/ |
286 | /*****************************************************************************/ |
152 | /* convinience wrappers */ |
287 | /* convenience wrappers */ |
153 | |
288 | |
154 | #ifndef EIO_NO_WRAPPERS |
289 | #ifndef EIO_NO_WRAPPERS |
155 | 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 */ |
156 | 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 */ |
157 | eio_req *eio_sync (int pri, eio_cb cb, void *data); |
292 | eio_req *eio_sync (int pri, eio_cb cb, void *data); |
158 | 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); |
159 | 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); |
|
|
295 | eio_req *eio_syncfs (int fd, 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); |
|
|
297 | eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data); |
|
|
298 | eio_req *eio_mlock (void *addr, size_t length, int pri, eio_cb cb, void *data); |
|
|
299 | eio_req *eio_mlockall (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); |
|
|
301 | eio_req *eio_fallocate (int fd, int mode, off_t offset, size_t len, int pri, eio_cb cb, void *data); |
160 | 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); |
161 | 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); |
162 | 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); |
163 | 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); |
164 | 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 */ |
|
|
307 | eio_req *eio_fstatvfs (int fd, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ |
165 | 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); |
166 | 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); |
167 | 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); |
168 | 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); |
169 | 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); |
170 | 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); |
171 | 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); |
172 | 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); |
173 | 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); |
174 | 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); |
175 | 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); |
176 | 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); |
177 | eio_req *eio_readdir (const char *path, 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 */ |
178 | 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); |
179 | 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); |
180 | eio_req *eio_readlink (const char *path, int pri, eio_cb cb, void *data); /* result=ptr2 allocated dynamically */ |
323 | eio_req *eio_readlink (const char *path, int pri, eio_cb cb, void *data); /* result=ptr2 allocated dynamically */ |
|
|
324 | eio_req *eio_realpath (const char *path, int pri, eio_cb cb, void *data); /* result=ptr2 allocated dynamically */ |
181 | eio_req *eio_stat (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ |
325 | eio_req *eio_stat (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ |
182 | eio_req *eio_lstat (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ |
326 | eio_req *eio_lstat (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ |
|
|
327 | eio_req *eio_statvfs (const char *path, int pri, eio_cb cb, void *data); /* stat buffer=ptr2 allocated dynamically */ |
183 | eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data); |
328 | eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data); |
184 | eio_req *eio_link (const char *path, const char *new_path, int pri, eio_cb cb, void *data); |
329 | eio_req *eio_link (const char *path, const char *new_path, int pri, eio_cb cb, void *data); |
185 | eio_req *eio_symlink (const char *path, const char *new_path, int pri, eio_cb cb, void *data); |
330 | eio_req *eio_symlink (const char *path, const char *new_path, int pri, eio_cb cb, void *data); |
186 | eio_req *eio_rename (const char *path, const char *new_path, int pri, eio_cb cb, void *data); |
331 | eio_req *eio_rename (const char *path, const char *new_path, int pri, eio_cb cb, void *data); |
|
|
332 | eio_req *eio_custom (void (*execute)(eio_req *), int pri, eio_cb cb, void *data); |
187 | #endif |
333 | #endif |
188 | |
334 | |
189 | /*****************************************************************************/ |
335 | /*****************************************************************************/ |
190 | /* groups */ |
336 | /* groups */ |
191 | |
337 | |
… | |
… | |
197 | |
343 | |
198 | /*****************************************************************************/ |
344 | /*****************************************************************************/ |
199 | /* request api */ |
345 | /* request api */ |
200 | |
346 | |
201 | /* true if the request was cancelled, useful in the invoke callback */ |
347 | /* true if the request was cancelled, useful in the invoke callback */ |
202 | #define EIO_CANCELLED(req) ((req)->flags & EIO_FLAG_CANCELLED) |
348 | #define EIO_CANCELLED(req) ((req)->cancelled) |
203 | |
349 | |
204 | #define EIO_RESULT(req) ((req)->result) |
350 | #define EIO_RESULT(req) ((req)->result) |
205 | /* returns a pointer to the result buffer allocated by eio */ |
351 | /* returns a pointer to the result buffer allocated by eio */ |
206 | #define EIO_BUF(req) ((req)->ptr2) |
352 | #define EIO_BUF(req) ((req)->ptr2) |
207 | #define EIO_STAT_BUF(req) ((EIO_STRUCT_STAT *)EIO_BUF(req)) |
353 | #define EIO_STAT_BUF(req) ((EIO_STRUCT_STAT *)EIO_BUF(req)) |
|
|
354 | #define EIO_STATVFS_BUF(req) ((EIO_STRUCT_STATVFS *)EIO_BUF(req)) |
208 | #define EIO_PATH(req) ((char *)(req)->ptr1) |
355 | #define EIO_PATH(req) ((char *)(req)->ptr1) |
209 | |
356 | |
210 | /* submit a request for execution */ |
357 | /* submit a request for execution */ |
211 | void eio_submit (eio_req *req); |
358 | void eio_submit (eio_req *req); |
212 | /* cancel a request as soon fast as possible, if possible */ |
359 | /* cancel a request as soon fast as possible, if possible */ |
213 | void eio_cancel (eio_req *req); |
360 | void eio_cancel (eio_req *req); |
214 | /* destroy a request that has never been submitted */ |
|
|
215 | void eio_destroy (eio_req *req); |
|
|
216 | |
361 | |
217 | /*****************************************************************************/ |
362 | /*****************************************************************************/ |
218 | /* convinience functions */ |
363 | /* convenience functions */ |
219 | |
364 | |
220 | 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); |
221 | |
366 | |
|
|
367 | #ifdef __cplusplus |
|
|
368 | } |
222 | #endif |
369 | #endif |
223 | |
370 | |
|
|
371 | #endif |
|
|
372 | |