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lightReMutexDirect.h
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1/**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file lightReMutexDirect.h
10 * @author drose
11 * @date 2008-10-08
12 */
13
14#ifndef LIGHTREMUTEXDIRECT_H
15#define LIGHTREMUTEXDIRECT_H
16
17#include "pandabase.h"
18#include "mutexImpl.h"
19#include "reMutexDirect.h"
20#include "thread.h"
21
22#ifndef DEBUG_THREADS
23
24/**
25 * This class implements a standard lightReMutex by making direct calls to the
26 * underlying implementation layer. It doesn't perform any debugging
27 * operations.
28 */
29class EXPCL_PANDA_PIPELINE LightReMutexDirect {
30protected:
31 LightReMutexDirect() = default;
32 LightReMutexDirect(const LightReMutexDirect &copy) = delete;
33 ~LightReMutexDirect() = default;
34
35 void operator = (const LightReMutexDirect &copy) = delete;
36
37public:
38 INLINE void lock();
39 INLINE bool try_lock();
40 INLINE void unlock();
41
42PUBLISHED:
43 BLOCKING INLINE void acquire() const;
44 BLOCKING INLINE void acquire(Thread *current_thread) const;
45 INLINE void elevate_lock() const;
46 INLINE void release() const;
47
48 INLINE bool debug_is_locked() const;
49
50 INLINE void set_name(const std::string &name);
51 INLINE void clear_name();
52 INLINE bool has_name() const;
53 INLINE std::string get_name() const;
54
55 void output(std::ostream &out) const;
56
57private:
58#ifdef HAVE_REMUTEXTRUEIMPL
59 mutable ReMutexTrueImpl _impl;
60
61#else
62 // If we don't have a reentrant mutex, use the one we hand-rolled in
63 // ReMutexDirect.
64 mutable ReMutexDirect _impl;
65#endif // HAVE_REMUTEXIMPL
66};
67
68INLINE std::ostream &
69operator << (std::ostream &out, const LightReMutexDirect &m) {
70 m.output(out);
71 return out;
72}
73
74#include "lightReMutexDirect.I"
75
76#endif // !DEBUG_THREADS
77
78#endif
This class implements a standard lightReMutex by making direct calls to the underlying implementation...
void output(std::ostream &out) const
This method is declared virtual in MutexDebug, but non-virtual in LightReMutexDirect.
This class implements a standard reMutex by making direct calls to the underlying implementation laye...
A thread; that is, a lightweight process.
Definition thread.h:46
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.