foundationdb/flow/ThreadPrimitives.cpp

64 lines
1.6 KiB
C++

/*
* ThreadPrimitives.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
*
* 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.
*/
#include "flow/ThreadPrimitives.h"
#include "flow/Trace.h"
#include <stdint.h>
#include <iostream>
#include <errno.h>
#include <string.h>
#include <stdio.h>
#ifdef _WIN32
#include <windows.h>
#undef min
#undef max
#endif
extern std::string format(const char* form, ...);
Event::Event() = default;
Event::~Event() = default;
void Event::set() {
latch.count_down();
}
void Event::block() {
latch.wait();
}
// Mutex::impl is allocated from the heap so that its size doesn't need to be in the header. Is there a better way?
Mutex::Mutex() {
impl = new CRITICAL_SECTION;
InitializeCriticalSection((CRITICAL_SECTION*)impl);
}
Mutex::~Mutex() {
DeleteCriticalSection((CRITICAL_SECTION*)impl);
delete (CRITICAL_SECTION*)impl;
}
void Mutex::enter() {
EnterCriticalSection((CRITICAL_SECTION*)impl);
}
void Mutex::leave() {
LeaveCriticalSection((CRITICAL_SECTION*)impl);
}