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Diffstat (limited to 'cpukit/score/src/chaingetempty.c')
-rw-r--r-- | cpukit/score/src/chaingetempty.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/cpukit/score/src/chaingetempty.c b/cpukit/score/src/chaingetempty.c new file mode 100644 index 0000000000..3f9be4de5b --- /dev/null +++ b/cpukit/score/src/chaingetempty.c @@ -0,0 +1,44 @@ +/** + * @file + * + * @ingroup ScoreChain + * + * @brief _Chain_Get_with_empty_check() implementation. + */ + +/* + * Copyright (c) 2010 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Obere Lagerstr. 30 + * 82178 Puchheim + * Germany + * <rtems@embedded-brains.de> + * + * 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. + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include <rtems/system.h> +#include <rtems/score/chain.h> +#include <rtems/score/isr.h> + +bool _Chain_Get_with_empty_check( + Chain_Control *chain, + Chain_Node **node +) +{ + ISR_Level level; + bool is_empty_now; + + _ISR_Disable( level ); + is_empty_now = _Chain_Get_with_empty_check_unprotected( chain, node ); + _ISR_Enable( level ); + + return is_empty_now; +} |