| //===--- MutexWin32.cpp - -------------------------------------------------===// |
| // |
| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors |
| // Licensed under Apache License v2.0 with Runtime Library Exception |
| // |
| // See https://swift.org/LICENSE.txt for license information |
| // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Mutex, ConditionVariable, Read/Write lock, and Scoped lock implementations |
| // using Windows Slim Reader/Writer Locks and Conditional Variables. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #if defined(_WIN32) |
| #include "swift/Runtime/Mutex.h" |
| #include "swift/Runtime/Debug.h" |
| |
| using namespace swift; |
| |
| void ConditionPlatformHelper::wait(CONDITION_VARIABLE &condition, |
| SRWLOCK &mutex) { |
| BOOL result = SleepConditionVariableSRW(&condition, &mutex, INFINITE, 0); |
| if (!result) { |
| DWORD errorcode = GetLastError(); |
| fatalError(/* flags = */ 0, |
| "'SleepConditionVariableSRW()' failed with error code %d\n", |
| errorcode); |
| } |
| } |
| #endif |
