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-rw-r--r--libpthread/sysdeps/mach/pt-spin.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/libpthread/sysdeps/mach/pt-spin.c b/libpthread/sysdeps/mach/pt-spin.c
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+++ b/libpthread/sysdeps/mach/pt-spin.c
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+/* Spin locks. Mach version.
+ Copyright (C) 2002, 2004 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. */
+
+#include <pthread.h>
+#include <machine-lock.h>
+
+/* In glibc. */
+extern void __spin_lock_solid (__pthread_spinlock_t *lock);
+
+/* Lock the spin lock object LOCK. If the lock is held by another
+ thread spin until it becomes available. */
+int
+_pthread_spin_lock (__pthread_spinlock_t *lock)
+{
+ __spin_lock_solid (lock);
+ return 0;
+}
+
+weak_alias (_pthread_spin_lock, pthread_spin_lock);
+weak_alias (_pthread_spin_lock, __pthread_spin_lock);