pipe.s

来自「Glibc 2.3.2源代码(解压后有100多M)」· S 代码 · 共 39 行

/* Copyright (C) 1997, 2002 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Miguel de Icaza <[e-mail]>, 1997.

   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>

	.globl __libc_pipe
ENTRY (__libc_pipe)
        mov %o0, %o2            /* Save PIPEDES. */
	mov SYS_ify(pipe),%g1
	ta 0x10
	bcs __syscall_error_handler
	 nop
	st %o0, [%o2]           /* PIPEDES[0] = %o0; */
        st %o1, [%o2 + 4]       /* PIPEDES[1] = %o1; */
	retl
	 clr %o0
	SYSCALL_ERROR_HANDLER

PSEUDO_END (__libc_pipe)
weak_alias (__libc_pipe, __pipe)
libc_hidden_def (__pipe)
weak_alias (__libc_pipe, pipe)