Exporting symbols for consumers of the dll - and deleted old code

PiperOrigin-RevId: 401098019
This commit is contained in:
jfcarroll
2021-10-05 16:27:15 -07:00
committed by Copybara-Service
parent 679838223c
commit e0b1dd8dfc
6 changed files with 101 additions and 186 deletions
@@ -1,70 +0,0 @@
// Copyright 2021 Google LLC
//
// 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
//
// https://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 "platform/impl/windows/condition_variable.h"
namespace location {
namespace nearby {
namespace windows {
// The ConditionVariable class is a synchronization primitive that can be used
// to block a thread, or multiple threads at the same time, until another thread
// both modifies a shared variable (the condition), and notifies the
// ConditionVariable.
ConditionVariable::ConditionVariable(api::Mutex* mutex)
: mutex_(dynamic_cast<windows::Mutex&>(*mutex)) {
InitializeCriticalSection(&critical_section_);
}
// Notifies all the waiters that condition state has changed.
// TODO(b/184975123): replace with real implementation.
void ConditionVariable::Notify() {
EnterCriticalSection(&critical_section_);
condition_variable_actual_.notify_all();
LeaveCriticalSection(&critical_section_);
}
// Waits indefinitely for Notify to be called.
// May return prematurely in case of interrupt, if supported by platform.
// Returns kSuccess, or kInterrupted on interrupt.
Exception ConditionVariable::Wait() {
std::unique_lock<std::mutex> lock =
std::unique_lock<std::mutex>(mutex_.GetWindowsMutex());
condition_variable_actual_.wait(lock);
return Exception{Exception::kSuccess};
}
// Waits while timeout has not expired for Notify to be called.
// May return prematurely in case of interrupt, if supported by platform.
// Returns kSuccess, or kInterrupted on interrupt.
Exception ConditionVariable::Wait(absl::Duration timeout) {
auto now = std::chrono::system_clock::now();
std::unique_lock<std::mutex> lock =
std::unique_lock<std::mutex>(mutex_.GetWindowsMutex());
if (condition_variable_actual_.wait_until(
lock, now + absl::ToChronoMilliseconds(timeout)) ==
std::cv_status::timeout) {
return Exception{Exception::kInterrupted};
} else {
return Exception{Exception::kSuccess};
}
}
} // namespace windows
} // namespace nearby
} // namespace location
-51
View File
@@ -1,51 +0,0 @@
// Copyright 2021 Google LLC
//
// 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
//
// https://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 "platform/impl/windows/mutex.h"
namespace location {
namespace nearby {
namespace windows {
// A lock is a tool for controlling access to a shared resource by multiple
// threads.
//
// https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/locks/Lock.html
Mutex::Mutex(Mutex::Mode mode) : mode_(mode) {}
void Mutex::Lock() {
if (mode_ == Mutex::Mode::kRegular || mode_ == Mutex::Mode::kRegularNoCheck) {
mutex_impl_.lock();
} else if (mode_ == Mutex::Mode::kRecursive) {
recursive_mutex_impl_.lock();
}
}
void Mutex::Unlock() {
if (mode_ == Mutex::Mode::kRegular || mode_ == Mutex::Mode::kRegularNoCheck) {
mutex_impl_.unlock();
} else if (mode_ == Mutex::Mode::kRecursive) {
recursive_mutex_impl_.unlock();
}
}
std::mutex& Mutex::GetWindowsMutex() { return mutex_; }
std::recursive_mutex& Mutex::GetWindowsRecursiveMutex() {
return recursive_mutex_;
}
} // namespace windows
} // namespace nearby
} // namespace location