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| explain_fsync_or_die(3) | FreeBSD Library Functions Manual | explain_fsync_or_die(3) |
NAME
explain_fsync_or_die - synchronize a file with storage device and report errorsSYNOPSIS
#include <libexplain/fsync.h>void explain_fsync_or_die(int fildes);
int explain_fsync_on_error(int fildes);
DESCRIPTION
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 exit(EXIT_FAILURE).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.
- fildes
- The fildes, exactly as to be passed to the fsync(2) system call.
RETURN VALUE
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.
EXAMPLE
The explain_fsync_or_die function is intended to be used in a fashion similar to the following example:explain_fsync_or_die(fildes);
SEE ALSO
- fsync(2)
- synchronize a file's in‐core state with storage device
- explain_fsync(3)
- explain fsync(2) errors
- exit(2)
- terminate the calling process
COPYRIGHT
libexplain version 1.3Copyright (C) 2009 Peter Miller
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