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#include "ReadWriteLock.h"
#include <cassert>
#include <memory>
namespace cru {
ReadWriteLock::ReadWriteLock() {
#ifdef WIN32
lock_ = std::make_unique<SRWLOCK>();
InitializeSRWLock(lock_.get());
#else
#endif
}
ReadWriteLock::ReadWriteLock(ReadWriteLock &&other)
: lock_(std::move(other.lock_)) {}
ReadWriteLock &ReadWriteLock::operator=(ReadWriteLock &&other) {
if (this != &other) {
Destroy();
lock_ = std::move(other.lock_);
}
return *this;
}
ReadWriteLock::~ReadWriteLock() { Destroy(); }
void ReadWriteLock::ReadLock() {
assert(lock_);
AcquireSRWLockShared(lock_.get());
}
void ReadWriteLock::WriteLock() {
assert(lock_);
AcquireSRWLockExclusive(lock_.get());
}
bool ReadWriteLock::ReadTryLock() {
assert(lock_);
return TryAcquireSRWLockShared(lock_.get()) != 0;
}
bool ReadWriteLock::WriteTryLock() {
assert(lock_);
return TryAcquireSRWLockExclusive(lock_.get()) != 0;
}
void ReadWriteLock::ReadUnlock() {
assert(lock_);
ReleaseSRWLockShared(lock_.get());
}
void ReadWriteLock::WriteUnlock() {
assert(lock_);
ReleaseSRWLockExclusive(lock_.get());
}
void ReadWriteLock::Destroy() {}
} // namespace cru
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