bionic/libc/private/bionic_futex.h
Elliott Hughes 3973de9616 Hide __futex_wake_ex and __futex_wait_ex.
Also remove some cruft that isn't needed now we're using uapi headers.

Bug: 11156955
Change-Id: I936b9c5b01d8bd6bfb2e5bc0e3f86cd86739cc04
2014-05-16 12:53:31 -07:00

51 lines
2.1 KiB
C

/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
* COPYRIGHT OWNER 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.
*/
#ifndef _BIONIC_FUTEX_H
#define _BIONIC_FUTEX_H
#include <linux/futex.h>
#include <sys/cdefs.h>
__BEGIN_DECLS
extern int __futex_wait(volatile void *ftx, int val, const struct timespec *timeout);
extern int __futex_wake(volatile void *ftx, int count);
extern int __futex_syscall3(volatile void *ftx, int op, int val);
extern int __futex_syscall4(volatile void *ftx, int op, int val, const struct timespec *timeout);
/* Like __futex_wait/wake, but take an additional 'pshared' argument.
* when non-0, this will use normal futexes. Otherwise, private futexes.
*/
__LIBC_HIDDEN__ int __futex_wake_ex(volatile void* ftx, int pshared, int val);
__LIBC_HIDDEN__ int __futex_wait_ex(volatile void* ftx, int pshared, int val, const struct timespec* timeout);
__END_DECLS
#endif /* _BIONIC_FUTEX_H */