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Make this thread-safe in both libc as well as libc_r.

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This commit is contained in:
John Birrell 1998-06-09 22:56:24 +00:00
parent 9e0370f742
commit f4086bc0cb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=36823
1 changed files with 2 additions and 13 deletions
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15
lib/libc/alpha/sys/cerror.S
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@ -1,4 +1,5 @@
/* $NetBSD: cerror.S,v 1.4 1996/11/08 00:52:46 cgd Exp $ */
/* $Id$ */
/* From: NetBSD: cerror.S,v 1.4 1996/11/08 00:52:46 cgd Exp */
/*
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
@ -29,21 +30,14 @@
#include "SYS.h"
#ifdef _REENTRANT
#define FRAME_SIZE 16
#define FRAME_RA_OFFSET 0
#define FRAME_V0_OFFSET 8
#endif
#ifdef _REENTRANT
NESTED(cerror, 0, FRAME_SIZE, ra, IM_RA|IM_V0, 0)
#else
LEAF(cerror, 0)
#endif
br t0, L1
L1: LDGP(t0)
#ifdef _REENTRANT
lda sp, -FRAME_SIZE(sp)
stq ra, FRAME_RA_OFFSET(sp)
stq v0, FRAME_V0_OFFSET(sp)
@ -52,14 +46,9 @@ L1: LDGP(t0)
ldq t0, FRAME_V0_OFFSET(sp)
stl t0, 0(v0)
#else
stl v0, errno
#endif
ldiq v0, -1
#ifdef _REENTRANT
ldq ra, FRAME_RA_OFFSET(sp)
lda sp, FRAME_SIZE(sp)
#endif
RET
END(cerror)