From: drepper <drepper>
Date: Mon, 10 Feb 2003 09:16:46 +0000 (+0000)
Subject: Definitions for lowlevel rwlock implementation on Linux/SH.
X-Git-Tag: glibc-2_3_2~528
X-Git-Url: http://git.csclub.uwaterloo.ca/?p=kopensolaris-gnu%2Fglibc.git;a=commitdiff_plain;h=af37953a2798966c303e9a197d8c56f6a95a1927

Definitions for lowlevel rwlock implementation on Linux/SH.
---

diff --git a/nptl/sysdeps/unix/sysv/linux/sh/lowlevelrwlock.h b/nptl/sysdeps/unix/sysv/linux/sh/lowlevelrwlock.h
new file mode 100644
index 0000000000..4357e80a0b
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sh/lowlevelrwlock.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* Offsets in the pthread_rwlock_t structure.  */
+#define MUTEX		0
+#define NR_READERS	4
+#define READERS_WAKEUP	8
+#define WRITERS_WAKEUP	12
+#define READERS_QUEUED	16
+#define WRITERS_QUEUED	20
+#define FLAGS		24
+#define WRITER	28