This is my initial working version.

There is a bug in boot in this version: subhurd sometimes cannot boot.

5 files changed, 102 insertions, 0 deletions

diff --git a/libpthread/sysdeps/mach/bits/CVS/Entries b/libpthread/sysdeps/mach/bits/CVS/Entries
new file mode 100644
index 00000000..1488d083
--- /dev/null
+++ b/libpthread/sysdeps/mach/bits/CVS/Entries
@@ -0,0 +1,2 @@
+/spin-lock.h/1.4/Tue Jul  1 11:43:18 2008//Tzhengda-soc2008-virt-branch
+D
diff --git a/libpthread/sysdeps/mach/bits/CVS/Repository b/libpthread/sysdeps/mach/bits/CVS/Repository
new file mode 100644
index 00000000..e78fe18d
--- /dev/null
+++ b/libpthread/sysdeps/mach/bits/CVS/Repository
@@ -0,0 +1 @@
+hurd/libpthread/sysdeps/mach/bits
diff --git a/libpthread/sysdeps/mach/bits/CVS/Root b/libpthread/sysdeps/mach/bits/CVS/Root
new file mode 100644
index 00000000..a10aa66d
--- /dev/null
+++ b/libpthread/sysdeps/mach/bits/CVS/Root
@@ -0,0 +1 @@
+:ext:zhengda@cvs.savannah.gnu.org:/sources/hurd
diff --git a/libpthread/sysdeps/mach/bits/CVS/Tag b/libpthread/sysdeps/mach/bits/CVS/Tag
new file mode 100644
index 00000000..7e454c6d
--- /dev/null
+++ b/libpthread/sysdeps/mach/bits/CVS/Tag
@@ -0,0 +1 @@
+Tzhengda-soc2008-virt-branch
diff --git a/libpthread/sysdeps/mach/bits/spin-lock.h b/libpthread/sysdeps/mach/bits/spin-lock.h
new file mode 100644
index 00000000..0cbf11ed
--- /dev/null
+++ b/libpthread/sysdeps/mach/bits/spin-lock.h
@@ -0,0 +1,97 @@
+/* Definitions of user-visible names for spin locks.
+   Copyright (C) 1994, 1997, 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
+   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 _BITS_SPIN_LOCK_H
+#define _BITS_SPIN_LOCK_H	1
+
+#include <features.h>
+#include <machine-lock.h>	/* This does all the work.  */
+
+__BEGIN_DECLS
+
+/* The type of a spin lock object.  */
+typedef __spin_lock_t __pthread_spinlock_t;
+
+/* Initializer for a spin lock object.  */
+#ifndef __SPIN_LOCK_INITIALIZER
+#error __SPIN_LOCK_INITIALIZER undefined: should be defined by <lock-intern.h>.
+#endif
+
+#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)
+{
+  return __spin_try_lock (__lock) ? 0 : __EBUSY;
+}
+
+__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)
+{
+  __spin_unlock (__lock);
+  return 0;
+}
+
+#endif /* Use extern inlines or force inlines.  */
+
+__END_DECLS
+
+#endif /* bits/spin-lock.h */