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prebuilts/gcc/arm-none-eabi/include/devctl.h

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+/*
+ * Copyright (c) 2016,2019 Joel Sherrill <joel@rtems.org>.
+ * All rights reserved.
+ *
+ * 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 AUTHOR 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 AUTHOR 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 _POSIX_DEVCTL_h_
+#define _POSIX_DEVCTL_h_
+
+/*
+ * Nothing in this file should be visible unless _POSIX_26_C_SOURCE is
+ * defined.
+ */
+#ifdef _POSIX_26_C_SOURCE
+
+#include <sys/cdefs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(__rtems__)
+/*
+ * The FACE Technical Standard, Edition 3.0 and later require the
+ * definition of the subcommand SOCKCLOSE in <devctl.h>.
+ *
+ * Reference: https://www.opengroup.org/face
+ *
+ * Using 'D' should avoid the letters used by other users of <sys/ioccom.h>
+ */
+#include <sys/ioccom.h>
+
+#define SOCKCLOSE    _IO('D', 1)    /* socket close */
+#endif
+
+/*
+ * The posix_devctl() method is defined by POSIX 1003.26-2003. Aside
+ * from the single method, it adds the following requirements:
+ *
+ *   + define _POSIX_26_VERSION to 200312L
+ *   + add _SC_POSIX_26_VERSION in <unistd.h>. Return _POSIX_26_VERSION
+ *   + application must define _POSIX_26_C_SOURCE to use posix_devctl().
+ *   + posix_devctl() is prototyped in <devctl.h>
+ */
+int posix_devctl(
+  int              fd,
+  int              dcmd,
+  void *__restrict dev_data_ptr,
+  size_t           nbyte,
+  int *__restrict  dev_info_ptr
+);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _POSIX_26_C_SOURCE */
+#endif /*_POSIX_DEVCTL_h_ */