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diff --git a/nptl/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/x86/synchP.h b/nptl/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/x86/synchP.h
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+++ b/nptl/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/x86/synchP.h
@@ -0,0 +1,58 @@
+/* Copyright (C) 2008 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David Bartley <dtbartle@csclub.uwaterloo.ca>, 2008.
+
+ 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. */
+
+#ifndef _SYNCH_PRIV_H
+#define _SYNCH_PRIV_H
+
+/* mutex helper macros */
+#define mutex_type flags.mbcp_type_un.mtype_rcount.count_type1
+#define mutex_magic flags.magic
+#define mutex_flag flags.flag1
+#define mutex_ceiling flags.ceiling
+#define mutex_real_ceiling flags.flag2 /* Non-standard; see NOTES.opensolaris */
+#define mutex_rcount flags.mbcp_type_un.mtype_rcount.count_type2
+#define mutex_owner data.data32.owner
+#define mutex_lockword32 lock.lock32.lockword
+#define mutex_lockword64 lock.owner64
+#define mutex_lockbyte lock.lock64.pad[7]
+#define mutex_waiters lock.lock64.pad[6]
+#define mutex_cond_waiters data.data32.cond_waiters
+#define mutex_ownerpid lock.lock32.ownerpid
+#define RECURSION_MAX 255 /* UCHAR_MAX */
+#define LOCKBYTE_SET 0x01
+#define LOCKBYTE_UNSET 0x00
+#define LOCKWORD32_SET_NO_WAITERS 0x01000000
+#define LOCKWORD32_UNSET_NO_WAITERS 0x00000000
+#define LOCKWORD64_SET_NO_WAITERS 0x0100000000000000
+#define LOCKWORD64_UNSET_NO_WAITERS 0x0000000000000000
+#define MUTEX_OWNERPID_SHIFT 0
+
+/* condition variable helper macros */
+#define cond_type flags.type
+#define cond_magic flags.magic
+#define cond_clockid flags.flag[1]
+#define cond_waiters_user flags.flag[2]
+#define cond_waiters_kernel flags.flag[3]
+
+/* semaphore helper macros */
+#define sema_count count
+#define sema_type type
+#define sema_waiters flags[7]
+
+#endif /* _SYNCH_PRIV_H */