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From: Joel Sherrill <joel@sourceware.org> To: newlib-cvs@sourceware.org Subject: [newlib-cygwin] Add <devctl.h> per POSIX 1003.26-2003 Date: Tue, 06 Dec 2016 03:01:00 -0000 [thread overview] Message-ID: <20161206030107.103014.qmail@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=1a2741508b9072f25f3f348c407eb431ca59019b commit 1a2741508b9072f25f3f348c407eb431ca59019b Author: Joel Sherrill <joel@rtems.org> Date: Thu Dec 1 09:46:32 2016 -0600 Add <devctl.h> per POSIX 1003.26-2003 Diff: --- newlib/libc/include/devctl.h | 51 ++++++++++++++++++++++++++++++++++++++ newlib/libc/include/sys/features.h | 3 +++ newlib/libc/include/sys/unistd.h | 1 + 3 files changed, 55 insertions(+) diff --git a/newlib/libc/include/devctl.h b/newlib/libc/include/devctl.h new file mode 100644 index 0000000..e6d9875 --- /dev/null +++ b/newlib/libc/include/devctl.h @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2016 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_ + +/* + * 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> + */ + +#ifdef _POSIX_26_C_SOURCE +#include <stddef.h> + +int posix_devctl( + int fd, + int dcmd, + void *restrict dev_data_ptr, + size_t nbyte, + int *restrict dev_info_ptr +); +#endif + +#endif diff --git a/newlib/libc/include/sys/features.h b/newlib/libc/include/sys/features.h index 93635ba..a23158c 100644 --- a/newlib/libc/include/sys/features.h +++ b/newlib/libc/include/sys/features.h @@ -366,6 +366,9 @@ extern "C" { /* UNIX98 added some new pthread mutex attributes */ #define _UNIX98_THREAD_MUTEX_ATTRIBUTES 1 +/* POSIX 1003.26-2003 defined device control method */ +#define _POSIX_26_VERSION 200312L + #endif /* XMK loosely adheres to POSIX -- 1003.1 */ diff --git a/newlib/libc/include/sys/unistd.h b/newlib/libc/include/sys/unistd.h index 143147d..84219ca 100644 --- a/newlib/libc/include/sys/unistd.h +++ b/newlib/libc/include/sys/unistd.h @@ -459,6 +459,7 @@ int _EXFUN(unlinkat, (int, const char *, int)); #define _SC_LEVEL4_CACHE_SIZE 137 #define _SC_LEVEL4_CACHE_ASSOC 138 #define _SC_LEVEL4_CACHE_LINESIZE 139 +#define _SC_POSIX_26_VERSION 140 /* * pathconf values per IEEE Std 1003.1, 2008 Edition
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