Qt 4.8
qsystemsemaphore_p.h
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41 
42 #ifndef QSYSTEMSEMAPHORE_P_H
43 #define QSYSTEMSEMAPHORE_P_H
44 
45 //
46 // W A R N I N G
47 // -------------
48 //
49 // This file is not part of the Qt API. It exists purely as an
50 // implementation detail. This header file may change from version to
51 // version without notice, or even be removed.
52 //
53 // We mean it.
54 //
55 
56 #include "qsystemsemaphore.h"
57 
58 #ifndef QT_NO_SYSTEMSEMAPHORE
59 
60 #include "qsharedmemory_p.h"
61 #ifndef Q_OS_WINCE
62 # include <sys/types.h>
63 #endif
64 #ifdef QT_POSIX_IPC
65 # include <semaphore.h>
66 #endif
67 
68 #ifdef Q_OS_SYMBIAN
69 class RSemaphore;
70 #endif
71 
73 
75 {
76 public:
78 
79  inline QString makeKeyFileName() const
80  {
82  }
83 
84 #ifdef Q_OS_WIN
86  void setErrorString(const QString &function);
87 #elif defined(Q_OS_SYMBIAN)
89  void setErrorString(const QString &function,int err = 0);
90 #elif defined(QT_POSIX_IPC)
92  void setErrorString(const QString &function);
93 #else
95  void setErrorString(const QString &function);
96 #endif
97  void cleanHandle();
98  bool modifySemaphore(int count);
99 
103 #ifdef Q_OS_WIN
106 #elif defined(Q_OS_SYMBIAN)
107  RSemaphore semaphore;
108 #elif defined(QT_POSIX_IPC)
109  sem_t *semaphore;
110  bool createdSemaphore;
111 #else
112  key_t unix_key;
113  int semaphore;
114  bool createdFile;
115  bool createdSemaphore;
116 #endif
119 };
120 
122 
123 #endif // QT_NO_SYSTEMSEMAPHORE
124 
125 #endif // QSYSTEMSEMAPHORE_P_H
void setErrorString(const QString &function)
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
QString makeKeyFileName() const
QLatin1String(DBUS_INTERFACE_DBUS))) Q_GLOBAL_STATIC_WITH_ARGS(QString
The QString class provides a Unicode character string.
Definition: qstring.h:83
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
void * HANDLE
Definition: qnamespace.h:1671
AccessMode
This enum is used by the constructor and setKey().
QSystemSemaphore::SystemSemaphoreError error
HANDLE handle(QSystemSemaphore::AccessMode mode=QSystemSemaphore::Open)
static QString makePlatformSafeKey(const QString &key, const QString &prefix=QLatin1String("qipc_sharedmemory_"))
Generate a string from the key which can be any unicode string into the subset that the win/unix kern...