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45 #include "qtlockedfile.h"
47 bool QtLockedFile::lock(LockMode mode
, bool block
)
50 qWarning("QtLockedFile::lock(): file is not opened");
57 if (mode
== m_lock_mode
)
60 if (m_lock_mode
!= NoLock
)
64 fl
.l_whence
= SEEK_SET
;
67 fl
.l_type
= (mode
== ReadLock
) ? F_RDLCK
: F_WRLCK
;
68 int cmd
= block
? F_SETLKW
: F_SETLK
;
69 int ret
= fcntl(handle(), cmd
, &fl
);
72 if (errno
!= EINTR
&& errno
!= EAGAIN
)
73 qWarning("QtLockedFile::lock(): fcntl: %s", strerror(errno
));
83 bool QtLockedFile::unlock()
86 qWarning("QtLockedFile::unlock(): file is not opened");
94 fl
.l_whence
= SEEK_SET
;
98 int ret
= fcntl(handle(), F_SETLKW
, &fl
);
101 qWarning("QtLockedFile::lock(): fcntl: %s", strerror(errno
));
105 m_lock_mode
= NoLock
;
109 QtLockedFile::~QtLockedFile()