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/* vi: set sw=4 ts=4: */
/*
* nice() for uClibc
*
* Copyright (C) 2000-2004 by Erik Andersen <andersen@codepoet.org>
*
* GNU Library General Public License (LGPL) version 2 or later.
*/
#include "syscalls.h"
#include <unistd.h>
#ifdef __NR_nice
_syscall1(int, nice, int, inc);
#else
#include <sys/resource.h>
int nice(int incr)
{
int save, prio, result;
save = errno;
__set_errno(0);
prio = getpriority(PRIO_PROCESS, 0);
if (prio == -1) {
if (errno != 0) {
return -1;
} else {
__set_errno(save);
}
}
result = setpriority(PRIO_PROCESS, 0, prio + incr);
if (result != -1) {
return prio + incr;
} else {
return -1;
}
}
#endif
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