_exit.c

Glibc 2.3.2源代码(解压后有100多M)

/* Copyright (C) 2002 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include <sysdep.h>
#include <abort-instr.h>

extern void __syscall_exit_group (int status);
extern void __syscall_exit (int status);


void
_exit (status)
     int status;
{
  while (1)
    {
#ifdef __NR_exit_group
      INLINE_SYSCALL (exit_group, 1, status);
#endif
      INLINE_SYSCALL (exit, 1, status);

#ifdef ABORT_INSTRUCTION
      ABORT_INSTRUCTION;
#endif
    }
}
libc_hidden_def (_exit)
weak_alias (_exit, _Exit)