1 /**************************************************************************
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32 **************************************************************************/
34 #include "qtlockedfile.h"
41 namespace SharedTools {
43 bool QtLockedFile::lock(LockMode mode, bool block)
46 qWarning("QtLockedFile::lock(): file is not opened");
53 if (mode == m_lock_mode)
56 if (m_lock_mode != NoLock)
60 fl.l_whence = SEEK_SET;
63 fl.l_type = (mode == ReadLock) ? F_RDLCK : F_WRLCK;
64 int cmd = block ? F_SETLKW : F_SETLK;
65 int ret = fcntl(handle(), cmd, &fl);
68 if (errno != EINTR && errno != EAGAIN)
69 qWarning("QtLockedFile::lock(): fcntl: %s", strerror(errno));
79 bool QtLockedFile::unlock()
82 qWarning("QtLockedFile::unlock(): file is not opened");
90 fl.l_whence = SEEK_SET;
94 int ret = fcntl(handle(), F_SETLKW, &fl);
97 qWarning("QtLockedFile::lock(): fcntl: %s", strerror(errno));
101 m_lock_mode = NoLock;
105 QtLockedFile::~QtLockedFile()
111 } // namespace SharedTools