3 files changed, 102 insertions, 68 deletions

diff --git a/sysdeps/ia32/bits/memory.h b/sysdeps/ia32/bits/memory.h
index 201305b9..932c4086 100644
--- a/sysdeps/ia32/bits/memory.h
+++ b/sysdeps/ia32/bits/memory.h
@@ -1,5 +1,5 @@
 /* Memory barrier operations.  i386 version.
-   Copyright (C) 2002 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2008 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
@@ -21,14 +21,14 @@
 #define _BITS_MEMORY_H	1
 
 /* Prevent read and write reordering across this function.  */
-inline void
+static inline void
 __memory_barrier (void)
 {
   int i;
 
   /* Any lock'ed instruction will do.  We just do a simple
      increment.  */
-  __asm__ __volatile ("lock; incl %0" : "=m" (i) : "m" (i));
+  __asm__ __volatile ("lock; incl %0" : "=m" (i) : "m" (i) : "memory");
 }
 
 /* Prevent read reordering across this function.  */
diff --git a/sysdeps/ia32/bits/spin-lock-inline.h b/sysdeps/ia32/bits/spin-lock-inline.h
new file mode 100644
index 00000000..0f3ca581
--- /dev/null
+++ b/sysdeps/ia32/bits/spin-lock-inline.h
@@ -0,0 +1,98 @@
+/* Machine-specific definitions for spin locks.  i386 version.
+   Copyright (C) 2000, 2005, 2008 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/*
+ * Never include this file directly; use <pthread.h> or <cthreads.h> instead.
+ */
+
+#ifndef _BITS_SPIN_LOCK_INLINE_H
+#define _BITS_SPIN_LOCK_INLINE_H	1
+
+#include <features.h>
+#include <bits/spin-lock.h>
+
+__BEGIN_DECLS
+
+#if defined __USE_EXTERN_INLINES || defined _FORCE_INLINES
+
+# ifndef __EBUSY
+#  include <errno.h>
+#  define __EBUSY EBUSY
+# endif
+
+# ifndef __PT_SPIN_INLINE
+#  define __PT_SPIN_INLINE __extern_inline
+# endif
+
+__PT_SPIN_INLINE int __pthread_spin_destroy (__pthread_spinlock_t *__lock);
+
+__PT_SPIN_INLINE int
+__pthread_spin_destroy (__pthread_spinlock_t *__lock)
+{
+  return 0;
+}
+
+__PT_SPIN_INLINE int __pthread_spin_init (__pthread_spinlock_t *__lock,
+					  int __pshared);
+
+__PT_SPIN_INLINE int
+__pthread_spin_init (__pthread_spinlock_t *__lock, int __pshared)
+{
+  *__lock = __SPIN_LOCK_INITIALIZER;
+  return 0;
+}
+
+__PT_SPIN_INLINE int __pthread_spin_trylock (__pthread_spinlock_t *__lock);
+
+__PT_SPIN_INLINE int
+__pthread_spin_trylock (__pthread_spinlock_t *__lock)
+{
+  int __locked;
+  __asm__ __volatile ("xchgl %0, %1"
+		      : "=&r" (__locked), "=m" (*__lock) : "0" (1) : "memory");
+  return __locked ? __EBUSY : 0;
+}
+
+__extern_inline int __pthread_spin_lock (__pthread_spinlock_t *__lock);
+extern int _pthread_spin_lock (__pthread_spinlock_t *__lock);
+
+__extern_inline int
+__pthread_spin_lock (__pthread_spinlock_t *__lock)
+{
+  if (__pthread_spin_trylock (__lock))
+    return _pthread_spin_lock (__lock);
+  return 0;
+}
+
+__PT_SPIN_INLINE int __pthread_spin_unlock (__pthread_spinlock_t *__lock);
+
+__PT_SPIN_INLINE int
+__pthread_spin_unlock (__pthread_spinlock_t *__lock)
+{
+  int __unlocked;
+  __asm__ __volatile ("xchgl %0, %1"
+		      : "=&r" (__unlocked), "=m" (*__lock) : "0" (0) : "memory");
+  return 0;
+}
+
+#endif /* Use extern inlines or force inlines.  */
+
+__END_DECLS
+
+#endif /* bits/spin-lock.h */
diff --git a/sysdeps/ia32/bits/spin-lock.h b/sysdeps/ia32/bits/spin-lock.h
index 175656ef..71af1631 100644
--- a/sysdeps/ia32/bits/spin-lock.h
+++ b/sysdeps/ia32/bits/spin-lock.h
@@ -1,5 +1,5 @@
 /* Machine-specific definitions for spin locks.  i386 version.
-   Copyright (C) 2000 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2005, 2008 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
@@ -34,70 +34,6 @@ typedef __volatile int __pthread_spinlock_t;
 /* Initializer for a spin lock object.  */
 # define __SPIN_LOCK_INITIALIZER ((__pthread_spinlock_t) 0)
 
-#if defined __USE_EXTERN_INLINES || defined _FORCE_INLINES
-
-# ifndef __EBUSY
-#  include <errno.h>
-#  define __EBUSY EBUSY
-# endif
-
-# ifndef __PT_SPIN_INLINE
-#  define __PT_SPIN_INLINE extern __inline
-# endif
-
-__PT_SPIN_INLINE int __pthread_spin_destroy (__pthread_spinlock_t *__lock);
-
-__PT_SPIN_INLINE int
-__pthread_spin_destroy (__pthread_spinlock_t *__lock)
-{
-  return 0;
-}
-
-__PT_SPIN_INLINE int __pthread_spin_init (__pthread_spinlock_t *__lock,
-					  int __pshared);
-
-__PT_SPIN_INLINE int
-__pthread_spin_init (__pthread_spinlock_t *__lock, int __pshared)
-{
-  *__lock = __SPIN_LOCK_INITIALIZER;
-  return 0;
-}
-
-__PT_SPIN_INLINE int __pthread_spin_trylock (__pthread_spinlock_t *__lock);
-
-__PT_SPIN_INLINE int
-__pthread_spin_trylock (__pthread_spinlock_t *__lock)
-{
-  int __locked;
-  __asm__ __volatile ("xchgl %0, %1"
-		      : "=&r" (__locked), "=m" (*__lock) : "0" (1));
-  return __locked ? __EBUSY : 0;
-}
-
-extern inline int __pthread_spin_lock (__pthread_spinlock_t *__lock);
-extern int _pthread_spin_lock (__pthread_spinlock_t *__lock);
-
-extern inline int
-__pthread_spin_lock (__pthread_spinlock_t *__lock)
-{
-  if (__pthread_spin_trylock (__lock))
-    return _pthread_spin_lock (__lock);
-  return 0;
-}
-
-__PT_SPIN_INLINE int __pthread_spin_unlock (__pthread_spinlock_t *__lock);
-
-__PT_SPIN_INLINE int
-__pthread_spin_unlock (__pthread_spinlock_t *__lock)
-{
-  int __unlocked;
-  __asm__ __volatile ("xchgl %0, %1"
-		      : "=&r" (__unlocked), "=m" (*__lock) : "0" (0));
-  return 0;
-}
-
-#endif /* Use extern inlines or force inlines.  */
-
 __END_DECLS
 
 #endif /* bits/spin-lock.h */