setgroups.c

这是一个SIGMA方案的PMP播放器的UCLINUX程序,可播放DVD,VCD,CD MP3...有很好的参考价值.

/* vi: set sw=4 ts=4: */
/*
 * Taken from the set of syscalls for uClibc
 *
 * Copyright (C) 1999,2000,2001 by Erik Andersen <[e-mail]>
 * <[e-mail]>, <[e-mail]>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Library General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */

#include "busybox.h" 

#include <errno.h>
#include <unistd.h>
#include <features.h>
#include <sys/types.h>
/* Kernel headers before 2.1.mumble need this on the Alpha to get
   _syscall* defined.  */
#define __LIBRARY__
#include <sys/syscall.h>
#if __GNU_LIBRARY__ < 5
/* This is needed for libc5 */
#include <asm/unistd.h>
#endif
#include "grp_.h"

//#define __NR_setgroups        81
_syscall2(int, setgroups, size_t, size, const gid_t *, list);