explain_raise_or_die man page
explain_raise_or_die — send a signal to the caller and report errors
void explain_raise_or_die(int sig);
int explain_raise_on_error(int sig);
The explain_raise_or_die function is used to call the raise(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_raise(3) function, and then the process terminates by calling
The explain_raise_on_error function is used to call the raise(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_raise(3) function, but still returns to the caller.
The sig, exactly as to be passed to the raise(3) system call.
The explain_raise_or_die function only returns on success, see raise(3) for more information. On failure, prints an explanation and exits, it does not return.
The explain_raise_on_error function always returns the value return by the wrapped raise(3) system call.
The explain_raise_or_die function is intended to be used in a fashion similar to the following example:
send a signal to the caller
explain raise(3) errors
terminate the calling process
libexplain version 1.4
Copyright (C) 2009 Peter Miller