diff options
Diffstat (limited to 'contrib/llvm/lib/Support/Unix/RWMutex.inc')
-rw-r--r-- | contrib/llvm/lib/Support/Unix/RWMutex.inc | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/contrib/llvm/lib/Support/Unix/RWMutex.inc b/contrib/llvm/lib/Support/Unix/RWMutex.inc deleted file mode 100644 index 8b47dfa0f85c..000000000000 --- a/contrib/llvm/lib/Support/Unix/RWMutex.inc +++ /dev/null @@ -1,50 +0,0 @@ -//= llvm/Support/Unix/RWMutex.inc - Unix Reader/Writer Mutual Exclusion Lock =// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// -// -// This file implements the Unix specific (non-pthread) RWMutex class. -// -//===----------------------------------------------------------------------===// - -//===----------------------------------------------------------------------===// -//=== WARNING: Implementation here must contain only generic UNIX code that -//=== is guaranteed to work on *all* UNIX variants. -//===----------------------------------------------------------------------===// - -#include "llvm/Support/Mutex.h" - -namespace llvm { - -using namespace sys; - -// This naive implementation treats readers the same as writers. This -// will therefore deadlock if a thread tries to acquire a read lock -// multiple times. - -RWMutexImpl::RWMutexImpl() : data_(new MutexImpl(false)) { } - -RWMutexImpl::~RWMutexImpl() { - delete static_cast<MutexImpl *>(data_); -} - -bool RWMutexImpl::reader_acquire() { - return static_cast<MutexImpl *>(data_)->acquire(); -} - -bool RWMutexImpl::reader_release() { - return static_cast<MutexImpl *>(data_)->release(); -} - -bool RWMutexImpl::writer_acquire() { - return static_cast<MutexImpl *>(data_)->acquire(); -} - -bool RWMutexImpl::writer_release() { - return static_cast<MutexImpl *>(data_)->release(); -} - -} |