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| explain_tcdrain_or_die(3) | FreeBSD Library Functions Manual | explain_tcdrain_or_die(3) |
NAME
explain_tcdrain_or_die - Execute tcdrain(3) and report errorsSYNOPSIS
#include <libexplain/tcdrain.h>void explain_tcdrain_or_die(int fildes);
int explain_tcdrain_on_error(int fildes);
DESCRIPTION
The explain_tcdrain_or_die function is used to call the tcdrain(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_tcdrain(3) function, and then the process terminates by calling exit(EXIT_FAILURE).The explain_tcdrain_on_error function is used to call the tcdrain(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_tcdrain(3) function, but still returns to the caller.
- fildes
- The fildes, exactly as to be passed to the tcdrain(3) system call.
RETURN VALUE
The explain_tcdrain_or_die function only returns on success, see tcdrain(3) for more information. On failure, prints an explanation and exits, it does not return.The explain_tcdrain_on_error function always returns the value return by the wrapped tcdrain(3) system call.
EXAMPLE
The explain_tcdrain_or_die function is intended to be used in a fashion similar to the following example:explain_tcdrain_or_die(fildes);
SEE ALSO
- tcdrain(3)
- Execute tcdrain(3)
- explain_tcdrain(3)
- explain tcdrain(3) errors
- exit(2)
- terminate the calling process
COPYRIGHT
libexplain version 1.3Copyright (C) 2009 Peter Miller,,,
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