aboutsummaryrefslogtreecommitdiffstats
path: root/utils/process/systembuf.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'utils/process/systembuf.hpp')
-rw-r--r--utils/process/systembuf.hpp71
1 files changed, 71 insertions, 0 deletions
diff --git a/utils/process/systembuf.hpp b/utils/process/systembuf.hpp
new file mode 100644
index 000000000000..c89c9108dc4b
--- /dev/null
+++ b/utils/process/systembuf.hpp
@@ -0,0 +1,71 @@
+// Copyright 2010 The Kyua Authors.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+// * Neither the name of Google Inc. nor the names of its contributors
+// may be used to endorse or promote products derived from this software
+// without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+/// \file utils/process/systembuf.hpp
+/// Provides the utils::process::systembuf class.
+
+#if !defined(UTILS_PROCESS_SYSTEMBUF_HPP)
+#define UTILS_PROCESS_SYSTEMBUF_HPP
+
+#include "utils/process/systembuf_fwd.hpp"
+
+#include <cstddef>
+#include <memory>
+#include <streambuf>
+
+#include "utils/noncopyable.hpp"
+
+namespace utils {
+namespace process {
+
+
+/// A std::streambuf implementation for raw file descriptors.
+///
+/// This class grabs ownership of the file descriptor. I.e. when the class is
+/// destroyed, the file descriptor is closed unconditionally.
+class systembuf : public std::streambuf, noncopyable {
+ struct impl;
+
+ /// Pointer to the shared internal implementation.
+ std::auto_ptr< impl > _pimpl;
+
+protected:
+ int_type underflow(void);
+ int_type overflow(int);
+ int sync(void);
+
+public:
+ explicit systembuf(const int, std::size_t = 8192);
+ ~systembuf(void);
+};
+
+
+} // namespace process
+} // namespace utils
+
+#endif // !defined(UTILS_PROCESS_SYSTEMBUF_HPP)