/* * Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies). * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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 HOLDERS 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. */ #ifndef UniStdExtras_h #define UniStdExtras_h #include <errno.h> #include <unistd.h> namespace WTF { WTF_EXPORT_PRIVATE bool setCloseOnExec(int fileDescriptor); WTF_EXPORT_PRIVATE int dupCloseOnExec(int fileDescriptor); inline int closeWithRetry(int fileDescriptor) { int ret; #if OS(LINUX) // Workaround for the Linux behavior of closing the descriptor // unconditionally, even if the close() call is interrupted. // See https://bugs.webkit.org/show_bug.cgi?id=117266 for more // details. if ((ret = close(fileDescriptor)) == -1 && errno == EINTR) return 0; #else while ((ret = close(fileDescriptor)) == -1 && errno == EINTR) { } #endif return ret; } } // namespace WTF using WTF::closeWithRetry; using WTF::setCloseOnExec; using WTF::dupCloseOnExec; #endif // UniStdExtras_h