explain_fsync_or_die man page
explain_fsync_or_die — synchronize a file with storage device and report errors
void explain_fsync_or_die(int fildes);
int explain_fsync_on_error(int fildes);
The explain_fsync_or_die function is used to call the fsync(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_fsync(3) function, and then the process terminates by calling
The explain_fsync_on_error function is used to call the fsync(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_fsync(3) function, but still returns to the caller.
The fildes, exactly as to be passed to the fsync(2) system call.
The explain_fsync_or_die function only returns on success, see fsync(2) for more information. On failure, prints an explanation and exits, it does not return.
The explain_fsync_on_error function always returns the value return by the wrapped fsync(2) system call.
The explain_fsync_or_die function is intended to be used in a fashion similar to the following example:
synchronize a file's in‐core state with storage device
explain fsync(2) errors
terminate the calling process
libexplain version 1.4
Copyright (C) 2009 Peter Miller