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Mutex.cpp
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28 
29 #include "Mutex.h"
30 #include "Error.h"
31 
32 namespace ArgusSamples
33 {
34 
36  : m_initialized(false)
37 {
38 }
39 
41 {
42  shutdown();
43 }
44 
46 {
47  if (!m_initialized)
48  {
49  if (pthread_mutex_init(&m_mutex, NULL) != 0)
50  ORIGINATE_ERROR("Failed to initialize mutex");
51  m_initialized = true;
52  }
53 
54  return true;
55 }
56 
58 {
59  if (m_initialized)
60  {
61  if (pthread_mutex_destroy(&m_mutex) != 0)
62  ORIGINATE_ERROR("Failed to destroy mutex");
63  m_initialized = false;
64  }
65 
66  return true;
67 }
68 
69 bool Mutex::lock() const
70 {
71  if (!m_initialized)
72  ORIGINATE_ERROR("Not initialized");
73 
74  if (pthread_mutex_lock(&m_mutex) != 0)
75  ORIGINATE_ERROR("Failed to lock mutex");
76 
77  return true;
78 }
79 
80 bool Mutex::unlock() const
81 {
82  if (!m_initialized)
83  ORIGINATE_ERROR("Not initialized");
84 
85  if (pthread_mutex_unlock(&m_mutex) != 0)
86  ORIGINATE_ERROR("Failed to unlock mutex");
87 
88  return true;
89 }
90 
91 }; // namespace ArgusSamples