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45 lines
866 B
45 lines
866 B
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#ifndef CM_THREAD_HXX
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#define CM_THREAD_HXX
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#include "cmConfigure.h" // IWYU pragma: keep
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#include "cm_uv.h"
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namespace cm {
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class shared_mutex
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{
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uv_rwlock_t _M_;
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CM_DISABLE_COPY(shared_mutex)
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public:
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shared_mutex() { uv_rwlock_init(&_M_); }
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~shared_mutex() { uv_rwlock_destroy(&_M_); }
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void lock() { uv_rwlock_wrlock(&_M_); }
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void unlock() { uv_rwlock_wrunlock(&_M_); }
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void lock_shared() { uv_rwlock_rdlock(&_M_); }
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void unlock_shared() { uv_rwlock_rdunlock(&_M_); }
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};
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template <typename T>
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class shared_lock
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{
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T& _mutex;
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CM_DISABLE_COPY(shared_lock)
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public:
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shared_lock(T& m)
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: _mutex(m)
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{
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_mutex.lock_shared();
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}
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~shared_lock() { _mutex.unlock_shared(); }
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};
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}
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#endif
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