/usr/lib/llvm-3.4/include/lldb/Core/ThreadSafeValue.h is in liblldb-3.4-dev 1:3.4.2-13.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | //===-- ThreadSafeValue.h ---------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_ThreadSafeValue_h_
#define liblldb_ThreadSafeValue_h_
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Host/Mutex.h"
namespace lldb_private {
template <class T>
class ThreadSafeValue
{
public:
//------------------------------------------------------------------
// Constructors and Destructors
//------------------------------------------------------------------
ThreadSafeValue() :
m_value (),
m_mutex (Mutex::eMutexTypeRecursive)
{
}
ThreadSafeValue(const T& value) :
m_value (value),
m_mutex (Mutex::eMutexTypeRecursive)
{
}
~ThreadSafeValue()
{
}
T
GetValue () const
{
T value;
{
Mutex::Locker locker(m_mutex);
value = m_value;
}
return value;
}
// Call this if you have already manually locked the mutex using the
// GetMutex() accessor
const T&
GetValueNoLock () const
{
return m_value;
}
void
SetValue (const T& value)
{
Mutex::Locker locker(m_mutex);
m_value = value;
}
// Call this if you have already manually locked the mutex using the
// GetMutex() accessor
void
SetValueNoLock (const T& value)
{
m_value = value;
}
Mutex &
GetMutex ()
{
return m_mutex;
}
private:
T m_value;
mutable Mutex m_mutex;
//------------------------------------------------------------------
// For ThreadSafeValue only
//------------------------------------------------------------------
DISALLOW_COPY_AND_ASSIGN (ThreadSafeValue);
};
} // namespace lldb_private
#endif // liblldb_ThreadSafeValue_h_
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