From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- ipc/chromium/src/base/condition_variable_win.cc | 40 +++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 ipc/chromium/src/base/condition_variable_win.cc (limited to 'ipc/chromium/src/base/condition_variable_win.cc') diff --git a/ipc/chromium/src/base/condition_variable_win.cc b/ipc/chromium/src/base/condition_variable_win.cc new file mode 100644 index 0000000000..35d79ba2ec --- /dev/null +++ b/ipc/chromium/src/base/condition_variable_win.cc @@ -0,0 +1,40 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +// Copyright (c) 2011 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "base/condition_variable.h" + +#include "base/lock.h" +#include "base/logging.h" +#include "base/time.h" + +ConditionVariable::ConditionVariable(Lock* user_lock) + : srwlock_(user_lock->lock_.native_handle()) { + DCHECK(user_lock); + InitializeConditionVariable(&cv_); +} + +ConditionVariable::~ConditionVariable() = default; + +void ConditionVariable::Wait() { + TimedWait(base::TimeDelta::FromMilliseconds(INFINITE)); +} + +void ConditionVariable::TimedWait(const base::TimeDelta& max_time) { + DWORD timeout = static_cast(max_time.InMilliseconds()); + + if (!SleepConditionVariableSRW(&cv_, srwlock_, timeout, 0)) { + // On failure, we only expect the CV to timeout. Any other error value means + // that we've unexpectedly woken up. + // Note that WAIT_TIMEOUT != ERROR_TIMEOUT. WAIT_TIMEOUT is used with the + // WaitFor* family of functions as a direct return value. ERROR_TIMEOUT is + // used with GetLastError(). + DCHECK_EQ(static_cast(ERROR_TIMEOUT), GetLastError()); + } +} + +void ConditionVariable::Broadcast() { WakeAllConditionVariable(&cv_); } + +void ConditionVariable::Signal() { WakeConditionVariable(&cv_); } -- cgit v1.2.3