1 // locks.h - Thread synchronization primitives. SuperH implementation.
3 /* Copyright (C) 2002, 2007 Free Software Foundation
5 This file is part of libgcj.
7 This software is copyrighted work licensed under the terms of the
8 Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
11 #ifndef __SYSDEP_LOCKS_H__
12 #define __SYSDEP_LOCKS_H__
14 typedef size_t obj_addr_t; /* Integer type big enough for object */
18 compare_and_swap (volatile obj_addr_t *addr, obj_addr_t old,
21 return __sync_bool_compare_and_swap (addr, old, new_val);
25 release_set (volatile obj_addr_t *addr, obj_addr_t new_val)
27 __asm__ __volatile__ (" " : : : "memory");
32 compare_and_swap_release (volatile obj_addr_t *addr, obj_addr_t old,
35 return compare_and_swap (addr, old, new_val);
41 __asm__ __volatile__(" " : : : "memory");
47 __asm__ __volatile__(" " : : : "memory");
50 #endif /* ! __SYSDEP_LOCKS_H__ */