1 /* 2 * Copyright (c) 2016,2019 Joel Sherrill <joel@rtems.org>. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #ifndef _POSIX_DEVCTL_h_ 28 #define _POSIX_DEVCTL_h_ 29 30 /* 31 * Nothing in this file should be visible unless _POSIX_26_C_SOURCE is 32 * defined. 33 */ 34 #ifdef _POSIX_26_C_SOURCE 35 36 #include <sys/cdefs.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 #if defined(__rtems__) 43 /* 44 * The FACE Technical Standard, Edition 3.0 and later require the 45 * definition of the subcommand SOCKCLOSE in <devctl.h>. 46 * 47 * Reference: https://www.opengroup.org/face 48 * 49 * Using 'D' should avoid the letters used by other users of <sys/ioccom.h> 50 */ 51 #include <sys/ioccom.h> 52 53 #define SOCKCLOSE _IO('D', 1) /* socket close */ 54 #endif 55 56 /* 57 * The posix_devctl() method is defined by POSIX 1003.26-2003. Aside 58 * from the single method, it adds the following requirements: 59 * 60 * + define _POSIX_26_VERSION to 200312L 61 * + add _SC_POSIX_26_VERSION in <unistd.h>. Return _POSIX_26_VERSION 62 * + application must define _POSIX_26_C_SOURCE to use posix_devctl(). 63 * + posix_devctl() is prototyped in <devctl.h> 64 */ 65 int posix_devctl( 66 int fd, 67 int dcmd, 68 void *__restrict dev_data_ptr, 69 size_t nbyte, 70 int *__restrict dev_info_ptr 71 ); 72 73 #ifdef __cplusplus 74 } 75 #endif 76 77 #endif /* _POSIX_26_C_SOURCE */ 78 #endif /*_POSIX_DEVCTL_h_ */ 79
