vendor/llvm/llvm-trunk-r375505vendor/llvm

1 files changed, 0 insertions, 40 deletions

diff --git a/include/llvm/Support/MutexGuard.h b/include/llvm/Support/MutexGuard.h
deleted file mode 100644
index d86ced145816..000000000000
--- a/include/llvm/Support/MutexGuard.h
+++ /dev/null
@@ -1,40 +0,0 @@
-//===-- Support/MutexGuard.h - Acquire/Release Mutex In Scope ---*- C++ -*-===//
-//
-// 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 defines a guard for a block of code that ensures a Mutex is locked
-// upon construction and released upon destruction.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_SUPPORT_MUTEXGUARD_H
-#define LLVM_SUPPORT_MUTEXGUARD_H
-
-#include "llvm/Support/Mutex.h"
-
-namespace llvm {
-  /// Instances of this class acquire a given Mutex Lock when constructed and
-  /// hold that lock until destruction. The intention is to instantiate one of
-  /// these on the stack at the top of some scope to be assured that C++
-  /// destruction of the object will always release the Mutex and thus avoid
-  /// a host of nasty multi-threading problems in the face of exceptions, etc.
-  /// Guard a section of code with a Mutex.
-  class MutexGuard {
-    sys::Mutex &M;
-    MutexGuard(const MutexGuard &) = delete;
-    void operator=(const MutexGuard &) = delete;
-  public:
-    MutexGuard(sys::Mutex &m) : M(m) { M.lock(); }
-    ~MutexGuard() { M.unlock(); }
-    /// holds - Returns true if this locker instance holds the specified lock.
-    /// This is mostly used in assertions to validate that the correct mutex
-    /// is held.
-    bool holds(const sys::Mutex& lock) const { return &M == &lock; }
-  };
-}
-
-#endif // LLVM_SUPPORT_MUTEXGUARD_H