static bool setNativeLocks(int fd)
{
if (flock(fd, LOCK_EX | LOCK_NB) == -1) // other threads, and other processes on a local fs
return false;
struct flock flockData;
flockData.l_type = F_WRLCK;
flockData.l_whence = SEEK_SET;
flockData.l_start = 0;
flockData.l_len = 0; // 0 = entire file
flockData.l_pid = getpid();
if (fcntlWorksAfterFlock() && fcntl(fd, F_SETLK, &flockData) == -1) // for networked filesystems
return false;
return true;
}
static bool setNativeLocks(const QString &fileName, int fd)
{
#if defined(LOCK_EX) && defined(LOCK_NB)
if (flock(fd, LOCK_EX | LOCK_NB) == -1) // other threads, and other processes on a local fs
return false;
#endif
struct flock flockData;
flockData.l_type = F_WRLCK;
flockData.l_whence = SEEK_SET;
flockData.l_start = 0;
flockData.l_len = 0; // 0 = entire file
flockData.l_pid = getpid();
if (fcntlWorksAfterFlock(QDir::cleanPath(QFileInfo(fileName).absolutePath()) + QString('/'))
&& fcntl(fd, F_SETLK, &flockData) == -1) { // for networked filesystems
return false;
}
return true;
}
