explain_dup_or_die(3) - Linux man page
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 © 2008 Peter Miller