qsystemsemaphore_unix.cpp

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1/****************************************************************************-
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3** Copyright (C) 2015 The Qt Company Ltd.-
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6** This file is part of the QtCore module of the Qt Toolkit.-
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32****************************************************************************/-
33-
34#include "qsystemsemaphore.h"-
35#include "qsystemsemaphore_p.h"-
36-
37#include <qdebug.h>-
38#include <qcoreapplication.h>-
39-
40#ifndef QT_NO_SYSTEMSEMAPHORE-
41-
42#include <sys/types.h>-
43#ifndef QT_POSIX_IPC-
44#include <sys/ipc.h>-
45#include <sys/sem.h>-
46#endif-
47#include <fcntl.h>-
48#include <errno.h>-
49-
50#include "private/qcore_unix_p.h"-
51-
52QT_BEGIN_NAMESPACE-
53-
54QSystemSemaphorePrivate::QSystemSemaphorePrivate() :-
55#ifndef QT_POSIX_IPC-
56 unix_key(-1), semaphore(-1), createdFile(false),-
57#else-
58 semaphore(SEM_FAILED),-
59#endif // QT_POSIX_IPC-
60 createdSemaphore(false), error(QSystemSemaphore::NoError)-
61{-
62}
executed 3735 times by 5 tests: end of block
Executed by:
  • tst_QApplication
  • tst_QSharedMemory
  • tst_QSystemSemaphore
  • tst_qsharedmemory - unknown status
  • tst_qsystemsemaphore - unknown status
3735
63-
64void QSystemSemaphorePrivate::setErrorString(const QString &function)-
65{-
66 // EINVAL is handled in functions so they can give better error strings-
67 switch (errno) {-
68 case EPERM:
never executed: case 1:
0
69 case EACCES:
never executed: case 13:
0
70 errorString = QCoreApplication::translate("QSystemSemaphore", "%1: permission denied").arg(function);-
71 error = QSystemSemaphore::PermissionDenied;-
72 break;
never executed: break;
0
73 case EEXIST:
never executed: case 17:
0
74 errorString = QCoreApplication::translate("QSystemSemaphore", "%1: already exists").arg(function);-
75 error = QSystemSemaphore::AlreadyExists;-
76 break;
never executed: break;
0
77 case ENOENT:
never executed: case 2:
0
78 errorString = QCoreApplication::translate("QSystemSemaphore", "%1: does not exist").arg(function);-
79 error = QSystemSemaphore::NotFound;-
80 break;
never executed: break;
0
81 case ERANGE:
never executed: case 34:
0
82 case ENOSPC:
executed 2 times by 1 test: case 28:
Executed by:
  • tst_QSharedMemory
2
83 errorString = QCoreApplication::translate("QSystemSemaphore", "%1: out of resources").arg(function);-
84 error = QSystemSemaphore::OutOfResources;-
85 break;
executed 2 times by 1 test: break;
Executed by:
  • tst_QSharedMemory
2
86 default:
never executed: default:
0
87 errorString = QCoreApplication::translate("QSystemSemaphore", "%1: unknown error %2").arg(function).arg(errno);-
88 error = QSystemSemaphore::UnknownError;-
89#if defined QSYSTEMSEMAPHORE_DEBUG-
90 qDebug() << errorString << "key" << key << "errno" << errno << EINVAL;-
91#endif-
92 }
never executed: end of block
0
93}-
94-
95QT_END_NAMESPACE-
96-
97#endif // QT_NO_SYSTEMSEMAPHORE-
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