public Errno Lock(string path, OpenFlags openFlags, FcntlCommand cmd, ref Flock @lock)
{
{
#if DEBUG
new CrazyFsRequest(CrazyFsRequestName.Lock, new[]
{
new KeyValuePair <string, string>("path", path)
}).Log();
#endif
// ReSharper disable once InconsistentNaming
var _lock = @lock;
var e = ProcessFile(path, openFlags, fd => Syscall.fcntl(fd, cmd, ref _lock));
@lock = _lock;
return(e);
}
}
private static Errno ProcessFile(string path, OpenFlags flags, FdCb cb)
{
var fd = Syscall.open(path, (Mono.Unix.Native.OpenFlags)flags);
if (fd == -1)
{
return(Stdlib.GetLastError());
}
var r = cb(fd);
Errno res = 0;
if (r == -1)
{
res = Stdlib.GetLastError();
}
_ = Syscall.close(fd);
return(res);
}
