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| author | Thiago Macieira <thiago.macieira@intel.com> | 2013-01-10 23:08:45 -0800 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2013-01-23 16:57:58 +0100 |
| commit | 119c581dd1e0b9164e1631f43820abc3dee82e27 (patch) | |
| tree | 1b975af8bef5b13ffd3a9624a3bcd168990c8481 /src/corelib/kernel/qsharedmemory_unix.cpp | |
| parent | 3c9cc32086bfaf9947324f8792ce40a6fc23ef00 (diff) | |
Simplify checking of the SHM/SEM Unix key file's existence
We don't need to stat(2) the file to check if it exists before
creating it. We're about to open(2) with O_CREAT|O_EXCL, which will
not recreate it if it existed.
Change-Id: I2d2176054e7776a32a4520832ee104b9c4ccf748
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Reviewed-by: Richard J. Moore <rich@kde.org>
Diffstat (limited to 'src/corelib/kernel/qsharedmemory_unix.cpp')
| -rw-r--r-- | src/corelib/kernel/qsharedmemory_unix.cpp | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/src/corelib/kernel/qsharedmemory_unix.cpp b/src/corelib/kernel/qsharedmemory_unix.cpp index 6bcb4076b4..7b64ff1181 100644 --- a/src/corelib/kernel/qsharedmemory_unix.cpp +++ b/src/corelib/kernel/qsharedmemory_unix.cpp @@ -151,9 +151,6 @@ key_t QSharedMemoryPrivate::handle() */ int QSharedMemoryPrivate::createUnixKeyFile(const QString &fileName) { - if (QFile::exists(fileName)) - return 0; - int fd = qt_safe_open(QFile::encodeName(fileName).constData(), O_EXCL | O_CREAT | O_RDWR, 0640); if (-1 == fd) { |