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authorThiago Macieira <thiago.macieira@intel.com>2013-01-10 23:08:45 -0800
committerThe Qt Project <gerrit-noreply@qt-project.org>2013-01-23 16:57:58 +0100
commit119c581dd1e0b9164e1631f43820abc3dee82e27 (patch)
tree1b975af8bef5b13ffd3a9624a3bcd168990c8481 /src/corelib
parent3c9cc32086bfaf9947324f8792ce40a6fc23ef00 (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')
-rw-r--r--src/corelib/kernel/qsharedmemory_unix.cpp3
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) {