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* [newlib-cygwin] RTEMS: Add <poll.h> and <sys/poll.h>
@ 2021-01-05 18:46 Jeff Johnston
  0 siblings, 0 replies; only message in thread
From: Jeff Johnston @ 2021-01-05 18:46 UTC (permalink / raw)
  To: cygwin-cvs, newlib-cvs

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=a485393aea38ddb0ec0b110c7fa5b8bafffc0a49

commit a485393aea38ddb0ec0b110c7fa5b8bafffc0a49
Author: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date:   Mon Jan 4 19:41:43 2021 +0100

    RTEMS: Add <poll.h> and <sys/poll.h>
    
    Add the POSIX header file <poll.h> which is used by the GCC 11 Ada
    runtime support.
    
    Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>

Diff:
---
 COPYING.NEWLIB                           |  30 +++++++++
 newlib/libc/sys/rtems/include/poll.h     |   1 +
 newlib/libc/sys/rtems/include/sys/poll.h | 106 +++++++++++++++++++++++++++++++
 3 files changed, 137 insertions(+)

diff --git a/COPYING.NEWLIB b/COPYING.NEWLIB
index 5517735f8..30518cf84 100644
--- a/COPYING.NEWLIB
+++ b/COPYING.NEWLIB
@@ -1286,3 +1286,33 @@ including the implied warranties of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.  A copy of this license is available at
 http://www.opensource.org/licenses.
 
+(56) BSD-3-Clause-FreeBSD Peter Wemm (rtems targets)
+
+SPDX-License-Identifier: BSD-3-Clause
+
+Copyright (c) 1997 Peter Wemm <peter@freebsd.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.
+3. The name of the author may not be used to endorse or promote products
+   derived from this software without specific prior written permission.
+
+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.
+
diff --git a/newlib/libc/sys/rtems/include/poll.h b/newlib/libc/sys/rtems/include/poll.h
new file mode 100644
index 000000000..06fb41ab8
--- /dev/null
+++ b/newlib/libc/sys/rtems/include/poll.h
@@ -0,0 +1 @@
+#include <sys/poll.h>
diff --git a/newlib/libc/sys/rtems/include/sys/poll.h b/newlib/libc/sys/rtems/include/sys/poll.h
new file mode 100644
index 000000000..7cdbbbb59
--- /dev/null
+++ b/newlib/libc/sys/rtems/include/sys/poll.h
@@ -0,0 +1,106 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1997 Peter Wemm <peter@freebsd.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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _SYS_POLL_H_
+#define	_SYS_POLL_H_
+
+#include <sys/cdefs.h>
+
+/*
+ * This file is intended to be compatible with the traditional poll.h.
+ */
+
+typedef	unsigned int	nfds_t;
+
+/*
+ * This structure is passed as an array to poll(2).
+ */
+struct pollfd {
+	int	fd;		/* which file descriptor to poll */
+	short	events;		/* events we are interested in */
+	short	revents;	/* events found on return */
+};
+
+/*
+ * Requestable events.  If poll(2) finds any of these set, they are
+ * copied to revents on return.
+ * XXX Note that FreeBSD doesn't make much distinction between POLLPRI
+ * and POLLRDBAND since none of the file types have distinct priority
+ * bands - and only some have an urgent "mode".
+ * XXX Note POLLIN isn't really supported in true SVSV terms.  Under SYSV
+ * POLLIN includes all of normal, band and urgent data.  Most poll handlers
+ * on FreeBSD only treat it as "normal" data.
+ */
+#define	POLLIN		0x0001		/* any readable data available */
+#define	POLLPRI		0x0002		/* OOB/Urgent readable data */
+#define	POLLOUT		0x0004		/* file descriptor is writeable */
+#define	POLLRDNORM	0x0040		/* non-OOB/URG data available */
+#define	POLLWRNORM	POLLOUT		/* no write type differentiation */
+#define	POLLRDBAND	0x0080		/* OOB/Urgent readable data */
+#define	POLLWRBAND	0x0100		/* OOB/Urgent data can be written */
+
+#if __BSD_VISIBLE
+/* General FreeBSD extension (currently only supported for sockets): */
+#define	POLLINIGNEOF	0x2000		/* like POLLIN, except ignore EOF */
+#endif
+
+/*
+ * These events are set if they occur regardless of whether they were
+ * requested.
+ */
+#define	POLLERR		0x0008		/* some poll error occurred */
+#define	POLLHUP		0x0010		/* file descriptor was "hung up" */
+#define	POLLNVAL	0x0020		/* requested events "invalid" */
+
+#if __BSD_VISIBLE
+
+#define	POLLSTANDARD	(POLLIN|POLLPRI|POLLOUT|POLLRDNORM|POLLRDBAND|\
+			 POLLWRBAND|POLLERR|POLLHUP|POLLNVAL)
+
+/*
+ * Request that poll() wait forever.
+ * XXX in SYSV, this is defined in stropts.h, which is not included
+ * by poll.h.
+ */
+#define	INFTIM		(-1)
+
+#endif
+
+#ifndef _KERNEL
+
+__BEGIN_DECLS
+int	poll(struct pollfd _pfd[], nfds_t _nfds, int _timeout);
+__END_DECLS
+
+#endif /* !_KERNEL */
+
+#endif /* !_SYS_POLL_H_ */


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