Files
openGauss-server/src/include/utils/syscall_lock.h
2023-02-15 19:34:53 +08:00

62 lines
1.7 KiB
C

/*
* Copyright (c) 2020 Huawei Technologies Co.,Ltd.
*
* openGauss is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
*
* http://license.coscl.org.cn/MulanPSL2
*
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
* ---------------------------------------------------------------------------------------
*
* syscall_lock.h
*
*
*
* IDENTIFICATION
* src/include/utils/syscall_lock.h
*
* NOTE
* some function in lib has not thread safe version , use lock to protect them
*
* ---------------------------------------------------------------------------------------
*/
#ifndef SYSCALL_LOCK_H_
#define SYSCALL_LOCK_H_
#ifndef WIN32
#include "pthread.h"
#else
#define _WINSOCKAPI_
#include <windows.h>
#ifndef _MINGW32
#include "pthread-win32.h"
#else
#include "libpq/libpq-int.h"
#endif
#endif
typedef pthread_mutex_t syscalllock;
#define syscalllockInit(lock) pthread_mutex_init(lock, NULL)
#define syscalllockAcquire(lock) pthread_mutex_lock(lock)
#define syscalllockRelease(lock) pthread_mutex_unlock(lock)
#define syscalllockFree(lock) pthread_mutex_destroy(lock)
/*
* the locks declared here should be initialized in syscall_lock_init function
*/
extern syscalllock getpwuid_lock;
extern syscalllock env_lock;
extern syscalllock dlerror_lock;
extern syscalllock kerberos_conn_lock;
extern syscalllock read_cipher_lock;
extern syscalllock file_list_lock;
#endif /* SYSCALL_LOCK_H_ */