mirror of
https://github.com/darlinghq/darling-WTF.git
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63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
/*
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* Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies).
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef UniStdExtras_h
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#define UniStdExtras_h
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#include <errno.h>
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#include <unistd.h>
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namespace WTF {
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WTF_EXPORT_PRIVATE bool setCloseOnExec(int fileDescriptor);
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WTF_EXPORT_PRIVATE int dupCloseOnExec(int fileDescriptor);
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inline int closeWithRetry(int fileDescriptor)
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{
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int ret;
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#if OS(LINUX)
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// Workaround for the Linux behavior of closing the descriptor
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// unconditionally, even if the close() call is interrupted.
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// See https://bugs.webkit.org/show_bug.cgi?id=117266 for more
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// details.
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if ((ret = close(fileDescriptor)) == -1 && errno == EINTR)
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return 0;
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#else
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while ((ret = close(fileDescriptor)) == -1 && errno == EINTR) { }
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#endif
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return ret;
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}
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WTF_EXPORT_PRIVATE bool setNonBlock(int fileDescriptor);
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} // namespace WTF
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using WTF::closeWithRetry;
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using WTF::dupCloseOnExec;
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using WTF::setCloseOnExec;
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using WTF::setNonBlock;
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#endif // UniStdExtras_h
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