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score: Prevent thread_dispatch_disable_level < 0.

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This commit is contained in:
Christian Mauderer
2016-12-12 15:51:05 +01:00
committed by Sebastian Huber
parent c69d6aa265
commit fe7012a0d1
1 changed files with 2 additions and 0 deletions
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cpukit/score/include/rtems/score/threaddispatch.h
+2
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@@ -232,6 +232,7 @@ RTEMS_INLINE_ROUTINE void _Thread_Dispatch_enable( Per_CPU_Control *cpu_self )
_ISR_Local_enable( level );
} else {
_Assert( disable_level > 0 );
cpu_self->thread_dispatch_disable_level = disable_level - 1;
}
}
@@ -243,6 +244,7 @@ RTEMS_INLINE_ROUTINE void _Thread_Dispatch_enable( Per_CPU_Control *cpu_self )
*/
RTEMS_INLINE_ROUTINE void _Thread_Dispatch_unnest( Per_CPU_Control *cpu_self )
{
_Assert( cpu_self->thread_dispatch_disable_level > 0 );
--cpu_self->thread_dispatch_disable_level;
}