NAME¶
explain_dup_or_die - duplicate a file descriptor and report errors
SYNOPSIS¶
#include <libexplain/dup.h>
void explain_dup_or_die(int fildes);
DESCRIPTION¶
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
exit(EXIT_FAILURE).
This function is intended to be used in a fashion similar to the following
example:
explain_dup_or_die(fildes);
- fildes
- The fildes, exactly as to be passed to the dup(2)
system call.
- Returns:
- This function only returns on success. On failure, prints
an explanation and exits.
SEE ALSO¶
- dup(2)
- duplicate a file descriptor
- explain_dup(3)
- explain dup(2) errors
- exit(2)
- terminate the calling process
COPYRIGHT¶
libexplain version 0.52
Copyright (C) 2008 Peter Miller