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explain_tcdrain_or_die(3) Library Functions Manual explain_tcdrain_or_die(3) NAME explain_tcdrain_or_die - Execute tcdrain(3) and report errors SYNOPSIS #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) sys- tem 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, ob- tained 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 1.3 Copyright (C) 2009 Peter Miller,,, explain_tcdrain_or_die(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLE | SEE ALSO | COPYRIGHT
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