...
| rowspan | 20 |
|---|
...
The file module has functions lock files across several operations that are almost exact equivalents to POSIX API functions (see Listing - File Module Function and Listing - POSIX API Equivalent); the primary difference is the advantage of valuable return error codes to the application.
| Code Block | ||||||
|---|---|---|---|---|---|---|
| ||||||
void FSFile_LockGet (FS_FILE *p_file,
FS_ERR *p_err);
void FSFile_LockAccept (FS_FILE *p_file,
FS_ERR *p_err);
void FSFile_LockSet (FS_FILE *p_file,
FS_ERR *p_err); |
| Code Block | ||||||
|---|---|---|---|---|---|---|
| ||||||
void fs_flockfile (FS_FILE *file);
int fs_ftrylockfile (FS_FILE *file);
void fs_funlockfile (FS_FILE *file); |
For more information about and an example of using file locking, see Atomic File Operations Using File Lock - POSIX.