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package/uclibc: add custom bits/poll.h for xtensa

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Definitions of POLLWRNORM, POLLWRBAND and POLLREMOVE in xtensa linux
kernel are non-standard. Provide bits/poll.h with correct values for
these constants for uclibc-ng.

This fixes the following strace build errors:

  In file included from xlat/pollflags.h:4:0,
                   from poll.c:34:
  ./static_assert.h:40:24: error: static assertion failed: "POLLWRBAND != 0x0100"
   # define static_assert _Static_assert
                          ^
  xlat/pollflags.h:75:1: note: in expansion of macro ‘static_assert’
   static_assert((POLLWRBAND) == (0x0100), "POLLWRBAND != 0x0100");
   ^~~~~~~~~~~~~
  ./static_assert.h:40:24: error: static assertion failed: "POLLREMOVE != 0x0800"
   # define static_assert _Static_assert
                          ^
  xlat/pollflags.h:117:1: note: in expansion of macro ‘static_assert’
   static_assert((POLLREMOVE) == (0x0800), "POLLREMOVE != 0x0800");
   ^~~~~~~~~~~~~

Fixes:
 http://autobuild.buildroot.net/results/5a0112b7a2c81fa5253c9adc93efe415256cd811
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Max Filippov 2018-12-12 07:13:14 -08:00 committed by Thomas Petazzoni
parent 2517fa73ed
commit 95f11fb25d
1 changed files with 93 additions and 0 deletions
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package/uclibc/0002-xtensa-add-custom-bits-poll.h.patch Normal file
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@ -0,0 +1,93 @@
From 0cae9700a4a421dc22c80d205fbae4d01fdd1356 Mon Sep 17 00:00:00 2001
From: Max Filippov <jcmvbkbc@gmail.com>
Date: Wed, 12 Dec 2018 06:58:01 -0800
Subject: [PATCH] xtensa: add custom bits/poll.h
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Definitions of POLLWRNORM, POLLWRBAND and POLLREMOVE in xtensa linux
kernel are non-standard. Provide bits/poll.h with correct values for
these constants.
This fixes the following strace build errors:
In file included from xlat/pollflags.h:4:0,
from poll.c:34:
./static_assert.h:40:24: error: static assertion failed: "POLLWRBAND != 0x0100"
# define static_assert _Static_assert
^
xlat/pollflags.h:75:1: note: in expansion of macro ‘static_assert’
static_assert((POLLWRBAND) == (0x0100), "POLLWRBAND != 0x0100");
^~~~~~~~~~~~~
./static_assert.h:40:24: error: static assertion failed: "POLLREMOVE != 0x0800"
# define static_assert _Static_assert
^
xlat/pollflags.h:117:1: note: in expansion of macro ‘static_assert’
static_assert((POLLREMOVE) == (0x0800), "POLLREMOVE != 0x0800");
^~~~~~~~~~~~~
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
---
libc/sysdeps/linux/xtensa/bits/poll.h | 49 +++++++++++++++++++++++++++++++++++
1 file changed, 49 insertions(+)
create mode 100644 libc/sysdeps/linux/xtensa/bits/poll.h
diff --git a/libc/sysdeps/linux/xtensa/bits/poll.h b/libc/sysdeps/linux/xtensa/bits/poll.h
new file mode 100644
index 000000000000..4588cc326006
--- /dev/null
+++ b/libc/sysdeps/linux/xtensa/bits/poll.h
@@ -0,0 +1,49 @@
+/* Copyright (C) 1997, 2001, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _SYS_POLL_H
+# error "Never use <bits/poll.h> directly; include <sys/poll.h> instead."
+#endif
+
+/* Event types that can be polled for. These bits may be set in `events'
+ to indicate the interesting event types; they will appear in `revents'
+ to indicate the status of the file descriptor. */
+#define POLLIN 0x001 /* There is data to read. */
+#define POLLPRI 0x002 /* There is urgent data to read. */
+#define POLLOUT 0x004 /* Writing now will not block. */
+
+#ifdef __USE_XOPEN
+/* These values are defined in XPG4.2. */
+# define POLLRDNORM 0x040 /* Normal data may be read. */
+# define POLLRDBAND 0x080 /* Priority data may be read. */
+# define POLLWRNORM POLLOUT /* Writing now will not block. */
+# define POLLWRBAND 0x100 /* Priority data may be written. */
+#endif
+
+#ifdef __USE_GNU
+/* These are extensions for Linux. */
+# define POLLMSG 0x400
+# define POLLREMOVE 0x800
+# define POLLRDHUP 0x2000
+#endif
+
+/* Event types always implicitly polled for. These bits need not be set in
+ `events', but they will appear in `revents' to indicate the status of
+ the file descriptor. */
+#define POLLERR 0x008 /* Error condition. */
+#define POLLHUP 0x010 /* Hung up. */
+#define POLLNVAL 0x020 /* Invalid polling request. */
--
2.11.0