explain_dup_or_die man page
explain_dup_or_die — duplicate a file descriptor and report errors
void explain_dup_or_die(int fildes);
The explain_dup_or_die function is used to call the dup(2) system call. On failure an explanation will be printed to stderr, obtained from explain_dup(3), and then the process terminates by calling
This function is intended to be used in a fashion similar to the following example:
The fildes, exactly as to be passed to the dup(2) system call.
This function only returns on success. On failure, prints an explanation and exits.
duplicate a file descriptor
explain dup(2) errors
terminate the calling process
libexplain version 1.4
Copyright (C) 2008 Peter Miller