diff options
author | Mauro Sardara <msardara+fdio@cisco.com> | 2018-12-18 11:05:49 +0000 |
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committer | Gerrit Code Review <gerrit@fd.io> | 2018-12-18 11:05:49 +0000 |
commit | cada1143501a48effc483e3873596c22849926b5 (patch) | |
tree | 93a1da95d69b69328a1e7d3621447797f65137c9 /libparc/parc/algol/parc_AtomicInteger.h | |
parent | 726949d76a7207694d5a1eee84ef134a8e539115 (diff) | |
parent | a45edf23c2463ac9a4723a24792a6c5c89b1e021 (diff) |
Merge "Adding gitreview config file for this branch sub project"
Diffstat (limited to 'libparc/parc/algol/parc_AtomicInteger.h')
-rwxr-xr-x | libparc/parc/algol/parc_AtomicInteger.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/libparc/parc/algol/parc_AtomicInteger.h b/libparc/parc/algol/parc_AtomicInteger.h new file mode 100755 index 00000000..729d9a01 --- /dev/null +++ b/libparc/parc/algol/parc_AtomicInteger.h @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2017 Cisco and/or its affiliates. + * Licensed 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. + */ + +/** + * @file parc_AtomicInteger.h + * @ingroup threading + * @brief An integer value that may be updated automatically. + * + */ +#ifndef libparc_parc_AtomicInteger_h +#define libparc_parc_AtomicInteger_h + +#include <stdint.h> + +/* + * If we are compiling with GCC or Clang, then + * we have some compiler extensions to make use of processer + * compare-and-swap and other kinds of synchronisation primitives. + */ +#if defined(__GNUC__) || defined(__clang__) +# define USE_GCC_EXTENSIONS 1 +#endif + +// Turn this off until the problem on the SMP machines is worked out, case 787. +#undef USE_GCC_EXTENSIONS + +#ifdef USE_GCC_EXTENSIONS +uint32_t parcAtomicInteger_Uint32IncrementGCC(uint32_t *value); + +uint32_t parcAtomicInteger_Uint32DecrementGCC(uint32_t *value); + +uint64_t parcAtomicInteger_Uint64IncrementGCC(uint64_t *value); + +uint64_t parcAtomicInteger_Uint64DecrementGCC(uint64_t *value); + +#define parcAtomicInteger_Uint32Increment parcAtomicInteger_Uint32IncrementGCC + +#define parcAtomicInteger_Uint32Decrement parcAtomicInteger_Uint32DecrementGCC + +#define parcAtomicInteger_Uint64Increment parcAtomicInteger_Uint64IncrementGCC + +#define parcAtomicInteger_Uint64Decrement parcAtomicInteger_Uint64DecrementGCC + +#else +uint32_t parcAtomicInteger_Uint32IncrementPthread(uint32_t *value); + +uint32_t parcAtomicInteger_Uint32DecrementPthread(uint32_t *value); + +uint64_t parcAtomicInteger_Uint64IncrementPthread(uint64_t *value); + +uint64_t parcAtomicInteger_Uint64DecrementPthread(uint64_t *value); + +#define parcAtomicInteger_Uint32Increment parcAtomicInteger_Uint32IncrementPthread + +#define parcAtomicInteger_Uint32Decrement parcAtomicInteger_Uint32DecrementPthread + +#define parcAtomicInteger_Uint64Increment parcAtomicInteger_Uint64IncrementPthread + +#define parcAtomicInteger_Uint64Decrement parcAtomicInteger_Uint64DecrementPthread +#endif +#endif // libparc_parc_AtomicInteger_h |