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52 lines
2.0 KiB
C
52 lines
2.0 KiB
C
4 years ago
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/*
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* Copyright (c) 2016 Joel Sherrill <joel@rtems.org>. All rights reserved.
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _POSIX_DEVCTL_h_
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#define _POSIX_DEVCTL_h_
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/*
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* The posix_devctl() method is defined by POSIX 1003.26-2003. Aside
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* from the single method, it adds the following requirements:
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*
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* + define _POSIX_26_VERSION to 200312L
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* + add _SC_POSIX_26_VERSION in <unistd.h>. Return _POSIX_26_VERSION
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* + application must define _POSIX_26_C_SOURCE to use posix_devctl().
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* + posix_devctl() is prototyped in <devctl.h>
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*/
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#ifdef _POSIX_26_C_SOURCE
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#include <sys/cdefs.h>
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int posix_devctl(
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int fd,
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int dcmd,
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void *__restrict dev_data_ptr,
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size_t nbyte,
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int *__restrict dev_info_ptr
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);
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#endif
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#endif
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