| /* |
| * atomic.h |
| * Header file for atomic operations. |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| extern int32 compare_and_swap_32(uint32 *dest, uint32 old, uint32 new); |
| extern int32 compare_and_swap_64(uint64 *dest, uint64 old, uint64 new); |
| extern int32 compare_and_swap_ulong(unsigned long *dest, |
| unsigned long oldval, |
| unsigned long newval); |
| extern int32 gp_lock_test_and_set(volatile int32 *ptr, int32 val); |
| extern int32 gp_atomic_add_32(volatile int32 *ptr, int32 inc); |
| extern int64 gp_atomic_add_int64(int64 *ptr, int64 inc); |
| extern uint64 gp_atomic_add_uint64(uint64 *ptr, int64 inc); |
| |
| |
| extern int32 gp_atomic_incmod_32(volatile int32 *loc, int32 mod); |
| extern uint32 gp_atomic_dec_positive_32(volatile uint32 *loc, uint32 dec); |
| extern uint32 gp_atomic_inc_ceiling_32(volatile uint32 *loc, uint32 inc, uint32 ceil); |
