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 ex- plain_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 ex- plain_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 simi- lar 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 1.3 Copyright (C) 2009 Peter Miller explain_nice_or_die(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLE | SEE ALSO | COPYRIGHT
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