/usr/lib/llvm-3.4/include/lldb/Core/ThreadSafeSTLMap.h is in liblldb-3.4-dev 1:3.4.2-13.
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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 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 | //===-- ThreadSafeSTLMap.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_ThreadSafeSTLMap_h_
#define liblldb_ThreadSafeSTLMap_h_
// C Includes
// C++ Includes
#include <map>
// Other libraries and framework includes
// Project includes
#include "lldb/Host/Mutex.h"
namespace lldb_private {
template <typename _Key, typename _Tp>
class ThreadSafeSTLMap
{
public:
typedef std::map<_Key,_Tp> collection;
typedef typename collection::iterator iterator;
typedef typename collection::const_iterator const_iterator;
//------------------------------------------------------------------
// Constructors and Destructors
//------------------------------------------------------------------
ThreadSafeSTLMap() :
m_collection (),
m_mutex (Mutex::eMutexTypeRecursive)
{
}
~ThreadSafeSTLMap()
{
}
bool
IsEmpty() const
{
Mutex::Locker locker(m_mutex);
return m_collection.empty();
}
void
Clear()
{
Mutex::Locker locker(m_mutex);
return m_collection.clear();
}
size_t
Erase (const _Key& key)
{
Mutex::Locker locker(m_mutex);
return EraseNoLock (key);
}
size_t
EraseNoLock (const _Key& key)
{
return m_collection.erase (key);
}
bool
GetValueForKey (const _Key& key, _Tp &value) const
{
Mutex::Locker locker(m_mutex);
return GetValueForKeyNoLock (key, value);
}
// Call this if you have already manually locked the mutex using the
// GetMutex() accessor
bool
GetValueForKeyNoLock (const _Key& key, _Tp &value) const
{
const_iterator pos = m_collection.find(key);
if (pos != m_collection.end())
{
value = pos->second;
return true;
}
return false;
}
bool
GetFirstKeyForValue (const _Tp &value, _Key& key) const
{
Mutex::Locker locker(m_mutex);
return GetFirstKeyForValueNoLock (value, key);
}
bool
GetFirstKeyForValueNoLock (const _Tp &value, _Key& key) const
{
const_iterator pos, end = m_collection.end();
for (pos = m_collection.begin(); pos != end; ++pos)
{
if (pos->second == value)
{
key = pos->first;
return true;
}
}
return false;
}
bool
LowerBound (const _Key& key,
_Key& match_key,
_Tp &match_value,
bool decrement_if_not_equal) const
{
Mutex::Locker locker(m_mutex);
return LowerBoundNoLock (key, match_key, match_value, decrement_if_not_equal);
}
bool
LowerBoundNoLock (const _Key& key,
_Key& match_key,
_Tp &match_value,
bool decrement_if_not_equal) const
{
const_iterator pos = m_collection.lower_bound (key);
if (pos != m_collection.end())
{
match_key = pos->first;
if (decrement_if_not_equal && key != match_key && pos != m_collection.begin())
{
--pos;
match_key = pos->first;
}
match_value = pos->second;
return true;
}
return false;
}
iterator
lower_bound_unsafe (const _Key& key)
{
return m_collection.lower_bound (key);
}
void
SetValueForKey (const _Key& key, const _Tp &value)
{
Mutex::Locker locker(m_mutex);
SetValueForKeyNoLock (key, value);
}
// Call this if you have already manually locked the mutex using the
// GetMutex() accessor
void
SetValueForKeyNoLock (const _Key& key, const _Tp &value)
{
m_collection[key] = value;
}
Mutex &
GetMutex ()
{
return m_mutex;
}
private:
collection m_collection;
mutable Mutex m_mutex;
//------------------------------------------------------------------
// For ThreadSafeSTLMap only
//------------------------------------------------------------------
DISALLOW_COPY_AND_ASSIGN (ThreadSafeSTLMap);
};
} // namespace lldb_private
#endif // liblldb_ThreadSafeSTLMap_h_
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