qsystemsemaphore

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qsystemsemaphore_unix.cpp

Absolute File Name:

/home/qt/qt5_coco/qt5/qtbase/src/corelib/kernel/qsystemsemaphore_unix.cpp

Line	Source	Count
1	/****************************************************************************	-
2	**	-
3	** Copyright (C) 2016 The Qt Company Ltd.	-
4	** Contact: https://www.qt.io/licensing/	-
5	**	-
6	** This file is part of the QtCore module of the Qt Toolkit.	-
7	**	-
8	** $QT_BEGIN_LICENSE:LGPL$	-
9	** Commercial License Usage	-
10	** Licensees holding valid commercial Qt licenses may use this file in	-
11	** accordance with the commercial license agreement provided with the	-
12	** Software or, alternatively, in accordance with the terms contained in	-
13	** a written agreement between you and The Qt Company. For licensing terms	-
14	** and conditions see https://www.qt.io/terms-conditions. For further	-
15	** information use the contact form at https://www.qt.io/contact-us.	-
16	**	-
17	** GNU Lesser General Public License Usage	-
18	** Alternatively, this file may be used under the terms of the GNU Lesser	-
19	** General Public License version 3 as published by the Free Software	-
20	** Foundation and appearing in the file LICENSE.LGPL3 included in the	-
21	** packaging of this file. Please review the following information to	-
22	** ensure the GNU Lesser General Public License version 3 requirements	-
23	** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.	-
24	**	-
25	** GNU General Public License Usage	-
26	** Alternatively, this file may be used under the terms of the GNU	-
27	** General Public License version 2.0 or (at your option) the GNU General	-
28	** Public license version 3 or any later version approved by the KDE Free	-
29	** Qt Foundation. The licenses are as published by the Free Software	-
30	** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3	-
31	** included in the packaging of this file. Please review the following	-
32	** information to ensure the GNU General Public License requirements will	-
33	** be met: https://www.gnu.org/licenses/gpl-2.0.html and	-
34	** https://www.gnu.org/licenses/gpl-3.0.html.	-
35	**	-
36	** $QT_END_LICENSE$	-
37	**	-
38	****************************************************************************/	-
39		-
40	#include "qsystemsemaphore.h"	-
41	#include "qsystemsemaphore_p.h"	-
42		-
43	#include <qdebug.h>	-
44	#include <qcoreapplication.h>	-
45		-
46	#ifndef QT_NO_SYSTEMSEMAPHORE	-
47		-
48	#include <sys/types.h>	-
49	#ifndef QT_POSIX_IPC	-
50	#include <sys/ipc.h>	-
51	#include <sys/sem.h>	-
52	#endif	-
53	#include <fcntl.h>	-
54	#include <errno.h>	-
55		-
56	#include "private/qcore_unix_p.h"	-
57		-
58	QT_BEGIN_NAMESPACE	-
59		-
60	QSystemSemaphorePrivate::QSystemSemaphorePrivate() :	-
61	#ifndef QT_POSIX_IPC	-
62	unix_key(-1), semaphore(-1), createdFile(false),	-
63	#else	-
64	semaphore(SEM_FAILED),	-
65	#endif // QT_POSIX_IPC	-
66	createdSemaphore(false), error(QSystemSemaphore::NoError)	-
67	{	-
68	} 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
69		-
70	void QSystemSemaphorePrivate::setErrorString(const QString &function)	-
71	{	-
72	// EINVAL is handled in functions so they can give better error strings	-
73	switch (errno) {	-
74	case EPERM: never executed: `case 1:`	0
75	case EACCES: never executed: `case 13:`	0
76	errorString = QCoreApplication::translate("QSystemSemaphore", "%1: permission denied").arg(function);	-
77	error = QSystemSemaphore::PermissionDenied;	-
78	break; never executed: `break;`	0
79	case EEXIST: never executed: `case 17:`	0
80	errorString = QCoreApplication::translate("QSystemSemaphore", "%1: already exists").arg(function);	-
81	error = QSystemSemaphore::AlreadyExists;	-
82	break; never executed: `break;`	0
83	case ENOENT: never executed: `case 2:`	0
84	errorString = QCoreApplication::translate("QSystemSemaphore", "%1: does not exist").arg(function);	-
85	error = QSystemSemaphore::NotFound;	-
86	break; never executed: `break;`	0
87	case ERANGE: never executed: `case 34:`	0
88	case ENOSPC: executed 2 times by 1 test: `case 28:` Executed by: tst_QSharedMemory	2
89	errorString = QCoreApplication::translate("QSystemSemaphore", "%1: out of resources").arg(function);	-
90	error = QSystemSemaphore::OutOfResources;	-
91	break; executed 2 times by 1 test: `break;` Executed by: tst_QSharedMemory	2
92	default: never executed: `default:`	0
93	errorString = QCoreApplication::translate("QSystemSemaphore", "%1: unknown error %2").arg(function).arg(errno);	-
94	error = QSystemSemaphore::UnknownError;	-
95	#if defined QSYSTEMSEMAPHORE_DEBUG	-
96	qDebug() << errorString << "key" << key << "errno" << errno << EINVAL;	-
97	#endif	-
98	} never executed: `end of block`	0
99	}	-
100		-
101	QT_END_NAMESPACE	-
102		-
103	#endif // QT_NO_SYSTEMSEMAPHORE	-

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/****************************************************************************

** Contact: https://www.qt.io/licensing/

** This file is part of the QtCore module of the Qt Toolkit.

** $QT_BEGIN_LICENSE:LGPL$

** Commercial License Usage

** Licensees holding valid commercial Qt licenses may use this file in

** accordance with the commercial license agreement provided with the

** Software or, alternatively, in accordance with the terms contained in

** a written agreement between you and The Qt Company. For licensing terms

** and conditions see https://www.qt.io/terms-conditions. For further

** information use the contact form at https://www.qt.io/contact-us.

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 3 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL3 included in the

** packaging of this file. Please review the following information to

** ensure the GNU Lesser General Public License version 3 requirements

** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.

** GNU General Public License Usage

** Alternatively, this file may be used under the terms of the GNU

** General Public License version 2.0 or (at your option) the GNU General

** Public license version 3 or any later version approved by the KDE Free

** Qt Foundation. The licenses are as published by the Free Software

** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3

** included in the packaging of this file. Please review the following

** information to ensure the GNU General Public License requirements will

** be met: https://www.gnu.org/licenses/gpl-2.0.html and

** https://www.gnu.org/licenses/gpl-3.0.html.

** $QT_END_LICENSE$

****************************************************************************/

#include "qsystemsemaphore.h"

#include "qsystemsemaphore_p.h"

#include <qdebug.h>

#include <qcoreapplication.h>

#ifndef QT_NO_SYSTEMSEMAPHORE

#include <sys/types.h>

#ifndef QT_POSIX_IPC

#include <sys/ipc.h>

#include <sys/sem.h>

#endif

#include <fcntl.h>

#include <errno.h>

#include "private/qcore_unix_p.h"

QT_BEGIN_NAMESPACE

QSystemSemaphorePrivate::QSystemSemaphorePrivate() :

#ifndef QT_POSIX_IPC

unix_key(-1), semaphore(-1), createdFile(false),

#else

semaphore(SEM_FAILED),

#endif // QT_POSIX_IPC

createdSemaphore(false), error(QSystemSemaphore::NoError)

{

}

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

void QSystemSemaphorePrivate::setErrorString(const QString &function)

{

// EINVAL is handled in functions so they can give better error strings

switch (errno) {

case EPERM:

never executed: case 1:

case EACCES:

never executed: case 13:

errorString = QCoreApplication::translate("QSystemSemaphore", "%1: permission denied").arg(function);

error = QSystemSemaphore::PermissionDenied;

break;

never executed: break;

case EEXIST:

never executed: case 17:

errorString = QCoreApplication::translate("QSystemSemaphore", "%1: already exists").arg(function);

error = QSystemSemaphore::AlreadyExists;

break;

never executed: break;

case ENOENT:

never executed: case 2:

errorString = QCoreApplication::translate("QSystemSemaphore", "%1: does not exist").arg(function);

error = QSystemSemaphore::NotFound;

break;

never executed: break;

case ERANGE:

never executed: case 34:

case ENOSPC:

executed 2 times by 1 test: case 28:

Executed by:

tst_QSharedMemory

errorString = QCoreApplication::translate("QSystemSemaphore", "%1: out of resources").arg(function);

error = QSystemSemaphore::OutOfResources;

break;

executed 2 times by 1 test: break;

Executed by:

tst_QSharedMemory

default:

never executed: default:

errorString = QCoreApplication::translate("QSystemSemaphore", "%1: unknown error %2").arg(function).arg(errno);

error = QSystemSemaphore::UnknownError;

#if defined QSYSTEMSEMAPHORE_DEBUG

qDebug() << errorString << "key" << key << "errno" << errno << EINVAL;

#endif

}

never executed: end of block

}

QT_END_NAMESPACE

#endif // QT_NO_SYSTEMSEMAPHORE

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