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@@ -0,0 +1,44 @@
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+/**
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+ * @file nonblocking.h
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+ * @author Ambroz Bizjak <ambrop7@gmail.com>
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+ *
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+ * @section LICENSE
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+ *
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+ * This file is part of BadVPN.
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+ *
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+ * BadVPN is free software: you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2
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+ * as published by the Free Software Foundation.
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+ *
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+ * BadVPN is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License along
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+ * with this program; if not, write to the Free Software Foundation, Inc.,
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+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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+ *
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+ * @section DESCRIPTION
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+ *
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+ * Function for enabling non-blocking mode for a file descriptor.
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+ */
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+
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+#ifndef BADVPN_MISC_NONBLOCKING_H
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+#define BADVPN_MISC_NONBLOCKING_H
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+
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+#include <unistd.h>
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+#include <fcntl.h>
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+
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+static int badvpn_set_nonblocking (int fd);
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+
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+int badvpn_set_nonblocking (int fd)
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+{
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+ if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0) {
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+ return 0;
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+ }
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+
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+ return 1;
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+}
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+
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+#endif
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ambrop7