diff options
Diffstat (limited to 'cpukit/score/src/corespinlock.c')
-rw-r--r-- | cpukit/score/src/corespinlock.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/cpukit/score/src/corespinlock.c b/cpukit/score/src/corespinlock.c new file mode 100644 index 0000000000..5eb3d327c3 --- /dev/null +++ b/cpukit/score/src/corespinlock.c @@ -0,0 +1,53 @@ +/* + * SuperCore Spinlock Handler + * + * DESCRIPTION: + * + * This package is part of the implementation of the SuperCore Spinlock Handler. + * + * COPYRIGHT (c) 1989-2006. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + * + * $Id$ + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include <rtems/system.h> +#include <rtems/score/corespinlock.h> +#include <rtems/score/states.h> +#include <rtems/score/thread.h> +#include <rtems/score/threadq.h> + +/*PAGE + * + * _CORE_spinlock_Initialize + * + * This function initialize a spinlock and sets the initial value based + * on the given count. + * + * Input parameters: + * the_spinlock - the spinlock control block to initialize + * the_spinlock_attributes - the attributes specified at create time + * + * Output parameters: NONE + */ + +void _CORE_spinlock_Initialize( + CORE_spinlock_Control *the_spinlock, + CORE_spinlock_Attributes *the_spinlock_attributes +) +{ + + the_spinlock->Attributes = *the_spinlock_attributes; + + the_spinlock->lock = 0; + the_spinlock->users = 0; + the_spinlock->holder = 0; +} |