netwerk/sctp/src/ScopedFd.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/netwerk/sctp/src/ScopedFd.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,46 @@
     1.4 +/*
     1.5 + * Copyright (C) 2009 The Android Open Source Project
     1.6 + *
     1.7 + * Licensed under the Apache License, Version 2.0 (the "License");
     1.8 + * you may not use this file except in compliance with the License.
     1.9 + * You may obtain a copy of the License at
    1.10 + *
    1.11 + *      http://www.apache.org/licenses/LICENSE-2.0
    1.12 + *
    1.13 + * Unless required by applicable law or agreed to in writing, software
    1.14 + * distributed under the License is distributed on an "AS IS" BASIS,
    1.15 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    1.16 + * See the License for the specific language governing permissions and
    1.17 + * limitations under the License.
    1.18 + */
    1.19 +
    1.20 +#ifndef SCOPED_FD_H_included
    1.21 +#define SCOPED_FD_H_included
    1.22 +
    1.23 +#include <unistd.h>
    1.24 +
    1.25 +// A smart pointer that closes the given fd on going out of scope.
    1.26 +// Use this when the fd is incidental to the purpose of your function,
    1.27 +// but needs to be cleaned up on exit.
    1.28 +class ScopedFd {
    1.29 +public:
    1.30 +    explicit ScopedFd(int fd) : fd(fd) {
    1.31 +    }
    1.32 +
    1.33 +    ~ScopedFd() {
    1.34 +        close(fd);
    1.35 +    }
    1.36 +
    1.37 +    int get() const {
    1.38 +        return fd;
    1.39 +    }
    1.40 +
    1.41 +private:
    1.42 +    int fd;
    1.43 +
    1.44 +    // Disallow copy and assignment.
    1.45 +    ScopedFd(const ScopedFd&);
    1.46 +    void operator=(const ScopedFd&);
    1.47 +};
    1.48 +
    1.49 +#endif  // SCOPED_FD_H_included

mercurial