SCIP Doxygen Documentation
Loading...
Searching...
No Matches
tpi_openmp.h
Go to the documentation of this file.
1/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2/* */
3/* This file is part of the program and library */
4/* SCIP --- Solving Constraint Integer Programs */
5/* */
6/* Copyright (c) 2002-2025 Zuse Institute Berlin (ZIB) */
7/* */
8/* Licensed under the Apache License, Version 2.0 (the "License"); */
9/* you may not use this file except in compliance with the License. */
10/* You may obtain a copy of the License at */
11/* */
12/* http://www.apache.org/licenses/LICENSE-2.0 */
13/* */
14/* Unless required by applicable law or agreed to in writing, software */
15/* distributed under the License is distributed on an "AS IS" BASIS, */
16/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
17/* See the License for the specific language governing permissions and */
18/* limitations under the License. */
19/* */
20/* You should have received a copy of the Apache-2.0 license */
21/* along with SCIP; see the file LICENSE. If not visit scipopt.org. */
22/* */
23/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
24
25/**@file tpi_openmp.h
26 * @ingroup TASKINTERFACE
27 * @brief the tpi_openmp redefines the lock functionality and some condition functionality as macros
28 * @author Leona Gottwald
29 * @author Stephen J. Maher
30 */
31
32/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
33
34#ifdef TPI_OMP
35
36#ifndef _TPI_OPENMP_H_
37#define _TPI_OPENMP_H_
38
39/* define locks and some condition functionality as macros */
40
41/* lock */
42#define SCIPtpiInitLock(lock) (omp_init_lock(lock), SCIP_OKAY)
43#define SCIPtpiDestroyLock(lock) (omp_destroy_lock(lock))
44#define SCIPtpiAcquireLock(lock) (omp_set_lock(lock), SCIP_OKAY)
45#define SCIPtpiReleaseLock(lock) (omp_unset_lock(lock), SCIP_OKAY)
46
47/* condition */
48#define SCIPtpiInitCondition(condition) ( omp_init_lock(&(condition)->_lock), \
49 (condition)->_waiters = 0, (condition)->_waitnum = 0, (condition)->_signals = 0, SCIP_OKAY )
50#define SCIPtpiDestroyCondition(condition) do { assert((condition)->_waiters == 0); assert((condition)->_waitnum == 0); assert((condition)->_signals == 0); omp_destroy_lock(&(condition)->_lock); } while(0)
51#endif
52
53#endif