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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _LIBC_LINT_H
#define _LIBC_LINT_H
#ifdef __cplusplus
extern "C" {
#endif
/* we need the following to pick up _LP64 */
#include <sys/feature_tests.h>
/*
* We must include "lint.h" as the first #include in all libc source files
* for the purpose of running lint over libc, else lint errors occur due to
* lint not knowing the details of the implementation of locales and stdio.
*/
#if defined(__lint)
#include "mbstatet.h"
#include "file64.h"
#else
/*
* Small optimization for callers of syscall() and __systemcall().
* This could/should be defined elsewhere, but here is a particularly
* attractive place since all source files in libc include "lint.h".
*/
#define syscall _syscall6
#define __systemcall __systemcall6
/*
* Shades of the old and deprecated "synonyms.h" file.
* Because of the awkward relationship between these functions:
* memcmp()
* memcpy()
* memmove()
* memset()
* and the sparc auxiliary filters:
* /platform/.../lib/libc_psr.so.1
* we must be careful always to call the leading-underscore
* symbol names when calling from within libc itself.
*
* If an interposer interposes on these mem*() symbol names,
* and we call one of them from within a critical region in libc,
* we will end up in the interposer code while executing within
* the critical region. Chaos can ensue.
*
* We try to avoid this by calling only the leading-underscore names.
* We hope that no interposer will interpose on the leading-underscore
* versions of these functions, else all hope is lost.
*/
#pragma redefine_extname memcmp _memcmp
#pragma redefine_extname memcpy _memcpy
#pragma redefine_extname memmove _memmove
#pragma redefine_extname memset _memset
#endif
#ifdef __cplusplus
}
#endif
#endif /* _LIBC_LINT_H */
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