table of contents
| explain_tcflush_or_die(3) | Library Functions Manual | explain_tcflush_or_die(3) |
NAME¶
explain_tcflush_or_die - discard terminal data and report errorsSYNOPSIS¶
#include <libexplain/tcflush.h>void explain_tcflush_or_die(int fildes, int selector);
int explain_tcflush_on_error(int fildes, int selector);
DESCRIPTION¶
The explain_tcflush_or_die function is used to call the tcflush(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_tcflush(3) function, and then the process terminates by calling exit(EXIT_FAILURE).The explain_tcflush_on_error function is used to call the tcflush(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_tcflush(3) function, but still returns to the caller.
- fildes
- The fildes, exactly as to be passed to the tcflush(3) system call.
- selector
- The selector, exactly as to be passed to the tcflush(3) system call.
RETURN VALUE¶
The explain_tcflush_or_die function only returns on success, see tcflush(3) for more information. On failure, prints an explanation and exits, it does not return.The explain_tcflush_on_error function always returns the value return by the wrapped tcflush(3) system call.
EXAMPLE¶
The explain_tcflush_or_die function is intended to be used in a fashion similar to the following example:explain_tcflush_or_die(fildes, selector);
SEE ALSO¶
- tcflush(3)
- discard terminal data
- explain_tcflush(3)
- explain tcflush(3) errors
- exit(2)
- terminate the calling process
COPYRIGHT¶
libexplain version 1.4Copyright (C) 2009 Peter Miller