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optimize QInotifyFileSystemWatcherEngine::create() for case when IN_CLOEXEC is defined

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Signed-off-by: Ivailo Monev <xakepa10@laimg.moc>
This commit is contained in:
Ivailo Monev 2020-01-05 04:21:13 +00:00
parent a30a008b15
commit b66b126357
1 changed files with 8 additions and 7 deletions
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15
src/core/io/qfilesystemwatcher_inotify.cpp
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@ -54,16 +54,17 @@ QT_BEGIN_NAMESPACE
QInotifyFileSystemWatcherEngine *QInotifyFileSystemWatcherEngine::create()
{
int fd = -1;
#ifdef IN_CLOEXEC
fd = inotify_init1(IN_CLOEXEC);
int fd = inotify_init1(IN_CLOEXEC);
#else
int fd = inotify_init();
#endif
if (fd == -1) {
fd = inotify_init();
if (fd == -1)
return 0;
::fcntl(fd, F_SETFD, FD_CLOEXEC);
if (Q_UNLIKELY(fd == -1)) {
return Q_NULLPTR;
}
#ifndef IN_CLOEXEC
::fcntl(fd, F_SETFD, FD_CLOEXEC);
#endif
return new QInotifyFileSystemWatcherEngine(fd);
}