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Diffstat (limited to 'src/corelib/ipc/qsharedmemory_systemv.cpp')
-rw-r--r--src/corelib/ipc/qsharedmemory_systemv.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/corelib/ipc/qsharedmemory_systemv.cpp b/src/corelib/ipc/qsharedmemory_systemv.cpp
index cc98b560ae..dc9de11091 100644
--- a/src/corelib/ipc/qsharedmemory_systemv.cpp
+++ b/src/corelib/ipc/qsharedmemory_systemv.cpp
@@ -11,6 +11,7 @@
#include <errno.h>
+#if QT_CONFIG(sharedmemory)
#if QT_CONFIG(sysv_shm)
#include <sys/types.h>
#include <sys/ipc.h>
@@ -75,6 +76,7 @@ key_t QSharedMemorySystemV::handle(QSharedMemoryPrivate *self)
unix_key = ftok(nativeKeyFile, int(self->nativeKey.type()));
if (unix_key < 0) {
self->setUnixErrorString("QSharedMemory::handle"_L1);
+ nativeKeyFile.clear();
unix_key = 0;
}
return unix_key;
@@ -158,6 +160,8 @@ bool QSharedMemorySystemV::attach(QSharedMemoryPrivate *self, QSharedMemory::Acc
int id = shmget(unix_key, 0, (mode == QSharedMemory::ReadOnly ? 0400 : 0600));
if (-1 == id) {
self->setUnixErrorString("QSharedMemory::attach (shmget)"_L1);
+ unix_key = 0;
+ nativeKeyFile.clear();
return false;
}
@@ -205,3 +209,4 @@ bool QSharedMemorySystemV::detach(QSharedMemoryPrivate *self)
QT_END_NAMESPACE
#endif // QT_CONFIG(sysv_shm)
+#endif // QT_CONFIG(sharedmemory)