https://github.com/Kitware/CMake
Tip revision: 3e5548784da085ee3a5ce3f7213c0cf281b68f31 authored by Brad King on 03 October 2018, 12:20:44 UTC
CMake 3.12.3
CMake 3.12.3
Tip revision: 3e55487
cm_thread.hxx
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#ifndef CM_THREAD_HXX
#define CM_THREAD_HXX
#include "cmConfigure.h" // IWYU pragma: keep
#include "cm_uv.h"
namespace cm {
class shared_mutex
{
uv_rwlock_t _M_;
CM_DISABLE_COPY(shared_mutex)
public:
shared_mutex() { uv_rwlock_init(&_M_); }
~shared_mutex() { uv_rwlock_destroy(&_M_); }
void lock() { uv_rwlock_wrlock(&_M_); }
void unlock() { uv_rwlock_wrunlock(&_M_); }
void lock_shared() { uv_rwlock_rdlock(&_M_); }
void unlock_shared() { uv_rwlock_rdunlock(&_M_); }
};
template <typename T>
class shared_lock
{
T& _mutex;
CM_DISABLE_COPY(shared_lock)
public:
shared_lock(T& m)
: _mutex(m)
{
_mutex.lock_shared();
}
~shared_lock() { _mutex.unlock_shared(); }
};
}
#endif