| Absolute File Name: | /home/qt/qt5_coco/qt5/qtbase/src/corelib/kernel/qsharedmemory_unix.cpp |
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| 1 | /**************************************************************************** | - |
| 2 | ** | - |
| 3 | ** Copyright (C) 2015 The Qt Company Ltd. | - |
| 4 | ** Contact: http://www.qt.io/licensing/ | - |
| 5 | ** | - |
| 6 | ** This file is part of the QtCore module of the Qt Toolkit. | - |
| 7 | ** | - |
| 8 | ** $QT_BEGIN_LICENSE:LGPL21$ | - |
| 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 http://www.qt.io/terms-conditions. For further | - |
| 15 | ** information use the contact form at http://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 2.1 or version 3 as published by the Free | - |
| 20 | ** Software Foundation and appearing in the file LICENSE.LGPLv21 and | - |
| 21 | ** LICENSE.LGPLv3 included in the packaging of this file. Please review the | - |
| 22 | ** following information to ensure the GNU Lesser General Public License | - |
| 23 | ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and | - |
| 24 | ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | - |
| 25 | ** | - |
| 26 | ** As a special exception, The Qt Company gives you certain additional | - |
| 27 | ** rights. These rights are described in The Qt Company LGPL Exception | - |
| 28 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | - |
| 29 | ** | - |
| 30 | ** $QT_END_LICENSE$ | - |
| 31 | ** | - |
| 32 | ****************************************************************************/ | - |
| 33 | - | |
| 34 | #include "qplatformdefs.h" | - |
| 35 | - | |
| 36 | #include "qsharedmemory.h" | - |
| 37 | #include "qsharedmemory_p.h" | - |
| 38 | #include "qsystemsemaphore.h" | - |
| 39 | #include <qdebug.h> | - |
| 40 | - | |
| 41 | #include <errno.h> | - |
| 42 | - | |
| 43 | #ifndef QT_NO_SHAREDMEMORY | - |
| 44 | #include <sys/types.h> | - |
| 45 | #ifndef QT_POSIX_IPC | - |
| 46 | #include <sys/ipc.h> | - |
| 47 | #include <sys/shm.h> | - |
| 48 | #else | - |
| 49 | #include <sys/mman.h> | - |
| 50 | #endif | - |
| 51 | #include <sys/stat.h> | - |
| 52 | #include <fcntl.h> | - |
| 53 | #include <unistd.h> | - |
| 54 | #endif //QT_NO_SHAREDMEMORY | - |
| 55 | - | |
| 56 | #include "private/qcore_unix_p.h" | - |
| 57 | - | |
| 58 | #ifndef QT_NO_SHAREDMEMORY | - |
| 59 | QT_BEGIN_NAMESPACE | - |
| 60 | - | |
| 61 | QSharedMemoryPrivate::QSharedMemoryPrivate() | - |
| 62 | : QObjectPrivate(), memory(0), size(0), error(QSharedMemory::NoError), | - |
| 63 | #ifndef QT_NO_SYSTEMSEMAPHORE | - |
| 64 | systemSemaphore(QString()), lockedByMe(false), | - |
| 65 | #endif | - |
| 66 | #ifndef QT_POSIX_IPC | - |
| 67 | unix_key(0) | - |
| 68 | #else | - |
| 69 | hand(-1) | - |
| 70 | #endif | - |
| 71 | { | - |
| 72 | } executed 3612 times by 3 tests: end of blockExecuted by:
| 3612 |
| 73 | - | |
| 74 | void QSharedMemoryPrivate::setErrorString(QLatin1String function) | - |
| 75 | { | - |
| 76 | // EINVAL is handled in functions so they can give better error strings | - |
| 77 | switch (errno) { | - |
| 78 | case EACCES: never executed: case 13: | 0 |
| 79 | errorString = QSharedMemory::tr("%1: permission denied").arg(function); | - |
| 80 | error = QSharedMemory::PermissionDenied; | - |
| 81 | break; never executed: break; | 0 |
| 82 | case EEXIST: executed 2 times by 1 test: case 17:Executed by:
| 2 |
| 83 | errorString = QSharedMemory::tr("%1: already exists").arg(function); | - |
| 84 | error = QSharedMemory::AlreadyExists; | - |
| 85 | break; executed 2 times by 1 test: break;Executed by:
| 2 |
| 86 | case ENOENT: never executed: case 2: | 0 |
| 87 | errorString = QSharedMemory::tr("%1: doesn't exist").arg(function); | - |
| 88 | error = QSharedMemory::NotFound; | - |
| 89 | break; never executed: break; | 0 |
| 90 | case EMFILE: never executed: case 24: | 0 |
| 91 | case ENOMEM: never executed: case 12: | 0 |
| 92 | case ENOSPC: never executed: case 28: | 0 |
| 93 | errorString = QSharedMemory::tr("%1: out of resources").arg(function); | - |
| 94 | error = QSharedMemory::OutOfResources; | - |
| 95 | break; never executed: break; | 0 |
| 96 | default: never executed: default: | 0 |
| 97 | errorString = QSharedMemory::tr("%1: unknown error %2").arg(function).arg(errno); | - |
| 98 | error = QSharedMemory::UnknownError; | - |
| 99 | #if defined QSHAREDMEMORY_DEBUG | - |
| 100 | qDebug() << errorString << "key" << key << "errno" << errno << EINVAL; | - |
| 101 | #endif | - |
| 102 | } never executed: end of block | 0 |
| 103 | } | - |
| 104 | - | |
| 105 | QT_END_NAMESPACE | - |
| 106 | - | |
| 107 | #endif // QT_NO_SHAREDMEMORY | - |
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