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Diffstat (limited to '')
-rw-r--r-- | cpukit/score/src/threadplaindispatch.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/cpukit/score/src/threadplaindispatch.c b/cpukit/score/src/threadplaindispatch.c new file mode 100644 index 0000000000..eeb52ec42d --- /dev/null +++ b/cpukit/score/src/threadplaindispatch.c @@ -0,0 +1,60 @@ +/** + * @file + * + * @ingroup RTEMSScoreThread + * + * @brief This source file contains the implementation of _Thread_Dispatch(). + */ + +/* + * Copyright (C) 2015, 2017 embedded brains GmbH (http://www.embedded-brains.de) + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <rtems/score/threaddispatch.h> +#include <rtems/score/assert.h> +#include <rtems/score/isr.h> +#include <rtems/score/threadimpl.h> + +void _Thread_Dispatch( void ) +{ + ISR_Level level; + Per_CPU_Control *cpu_self; + + _ISR_Local_disable( level ); + + cpu_self = _Per_CPU_Get(); + + if ( cpu_self->dispatch_necessary ) { + _Profiling_Thread_dispatch_disable( cpu_self, 0 ); + _Assert( cpu_self->thread_dispatch_disable_level == 0 ); + cpu_self->thread_dispatch_disable_level = 1; + _Thread_Do_dispatch( cpu_self, level ); + } else { + _ISR_Local_enable( level ); + } +} |