wait3.s

来自「Glibc 2.3.2源代码(解压后有100多M)」· S 代码 · 共 40 行

/* Copyright (C) 1991, 1992, 1995, 1997 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 <sysdep.h>

ENTRY(__wait3)
	movel sp@(8), d1
	moveal sp@(12), a0
	movel #SYS_wait, d0
	/* Set all condition codes to tell the kernel this is wait3.  */
	movew #31, ccr
	trap #0
	bcs error

	tstl sp@(4)
	beq 1f
	moveal sp@(4), a0
	movel d1, a0@
1:	rts

.globl	syscall_error
error:	jmp syscall_error

weak_alias (__wait3, wait3)