04-11-2016
That was really help, and nice explanation
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Data removed by request of sanchitadutta91, 20 May 2020
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LEARN ABOUT DEBIAN
explain_nice_or_die
explain_nice_or_die(3) Library Functions Manual explain_nice_or_die(3)
NAME
explain_nice_or_die - change process priority and report errors
SYNOPSIS
#include <libexplain/nice.h>
int explain_nice_or_die(int inc);
int explain_nice_on_error(int inc);
DESCRIPTION
The explain_nice_or_die function is used to call the nice(2) system call. On failure an explanation will be printed to stderr, obtained
from the explain_nice(3) function, and then the process terminates by calling exit(EXIT_FAILURE).
The explain_nice_on_error function is used to call the nice(2) system call. On failure an explanation will be printed to stderr, obtained
from the explain_nice(3) function, but still returns to the caller.
inc The inc, exactly as to be passed to the nice(2) system call.
RETURN VALUE
The explain_nice_or_die function only returns on success, see nice(2) for more information. On failure, prints an explanation and exits, it
does not return.
The explain_nice_on_error function always returns the value return by the wrapped nice(2) system call.
EXAMPLE
The explain_nice_or_die function is intended to be used in a fashion similar to the following example:
int result = explain_nice_or_die(inc);
SEE ALSO
nice(2) change process priority
explain_nice(3)
explain nice(2) errors
exit(2) terminate the calling process
COPYRIGHT
libexplain version 0.52
Copyright (C) 2009 Peter Miller
explain_nice_or_die(3)