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 --- mozglue/misc/PlatformRWLock.h | 50 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 mozglue/misc/PlatformRWLock.h (limited to 'mozglue/misc/PlatformRWLock.h') diff --git a/mozglue/misc/PlatformRWLock.h b/mozglue/misc/PlatformRWLock.h new file mode 100644 index 0000000000..0acd09b25b --- /dev/null +++ b/mozglue/misc/PlatformRWLock.h @@ -0,0 +1,50 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_PlatformRWLock_h +#define mozilla_PlatformRWLock_h + +#include "mozilla/Types.h" + +#ifndef XP_WIN +# include +#endif + +namespace mozilla::detail { + +class RWLockImpl { + public: + explicit MFBT_API RWLockImpl(); + MFBT_API ~RWLockImpl(); + + protected: + [[nodiscard]] MFBT_API bool tryReadLock(); + MFBT_API void readLock(); + MFBT_API void readUnlock(); + + [[nodiscard]] MFBT_API bool tryWriteLock(); + MFBT_API void writeLock(); + MFBT_API void writeUnlock(); + + private: + RWLockImpl(const RWLockImpl&) = delete; + void operator=(const RWLockImpl&) = delete; + RWLockImpl(RWLockImpl&&) = delete; + void operator=(RWLockImpl&&) = delete; + bool operator==(const RWLockImpl& rhs) = delete; + +#ifndef XP_WIN + pthread_rwlock_t mRWLock; +#else + // SRWLock is pointer-sized. We declare it in such a fashion here to avoid + // pulling in windows.h wherever this header is used. + void* mRWLock; +#endif +}; + +} // namespace mozilla::detail + +#endif // mozilla_PlatformRWLock_h -- cgit v1.2.3