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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2010-08-01 01:05:53 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2010-08-01 01:05:53 +0200
commit68567b88ee8f9e395e0c1f0a565affe8a1d4d68b (patch)
tree07d3b7b96832493cb3cc57a26e88157e354cf899 /libpthread/sysdeps/mach/bits/spin-lock-inline.h
parentfa0f7d1afb65bf077edfcc0f8977f95fca5656b9 (diff)
Move files to libpthread/ for inclusion along hurd
Diffstat (limited to 'libpthread/sysdeps/mach/bits/spin-lock-inline.h')
-rw-r--r--libpthread/sysdeps/mach/bits/spin-lock-inline.h90
1 files changed, 90 insertions, 0 deletions
diff --git a/libpthread/sysdeps/mach/bits/spin-lock-inline.h b/libpthread/sysdeps/mach/bits/spin-lock-inline.h
new file mode 100644
index 00000000..f9f7c299
--- /dev/null
+++ b/libpthread/sysdeps/mach/bits/spin-lock-inline.h
@@ -0,0 +1,90 @@
+/* Definitions of user-visible names for spin locks.
+ Copyright (C) 1994, 1997, 2002, 2008, 2009 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_INLINE_H
+#define _BITS_SPIN_LOCK_INLINE_H 1
+
+#include <features.h>
+#include <bits/spin-lock.h>
+#include <machine-lock.h> /* This does all the work. */
+
+__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 = __PTHREAD_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 */