replacement pipe() system call; copies data into place inside kernel, so

that EFAULT return value is possible

1 files changed, 0 insertions, 56 deletions

diff --git a/lib/libc/arch/mips/sys/pipe.S b/lib/libc/arch/mips/sys/pipe.S
deleted file mode 100644
index af15e39ce2b..00000000000
--- a/lib/libc/arch/mips/sys/pipe.S
+++ /dev/null
@@ -1,56 +0,0 @@
-/*-
- * Copyright (c) 1991, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Ralph Campbell.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include "SYS.h"
-
-#if defined(SYSLIBC_SCCS)
-	.text
-	.asciz "$OpenBSD: pipe.S,v 1.5 1999/01/19 01:38:53 d Exp $"
-#endif /* SYSLIBC_SCCS */
-
-SYSLEAF(pipe)
-	.set	reorder
-	li	v0, SYS_pipe	# pipe(fildes) int fildes[2];
-	syscall
-	bne	a3, zero, 1f
-	sw	v0, 0(a0)	# store the two file descriptors
-	sw	v1, 4(a0)
-	move	v0, zero
-	j	ra
-1:
-	la	t9, _C_LABEL(cerror)
-	jr	t9
-SYSEND(pipe)