SIMPLE SOLUTIONS

EXPLAIN_TCDRAIN_OR_DIE - reference manual online

Execute tcdrain(3) and report errors.

Chapter
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) 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 fail‐ ure an explanation will be printed to stderr, obtained from the explain_tcdrain(3) func‐ tion, 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
explain_tcdrain_or_die(3)
This manual Reference Other manuals
explain_tcdrain_or_die(3) referred by explain(3) | explain_tcdrain(3)
refer to _exit(2) | explain_tcdrain(3) | termios(3)