Disable interrupts as the first step in _Internal_error_Occurred() to
get a defined execution context for the fatal extensions.
---
cpukit/score/include/rtems/score/interr.h | 4 +++-
cpukit/score/src/interr.c | 6 ++++++
2 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/cpukit/score/include/rtems/score/interr.h
b/cpukit/score/include/rtems/score/interr.h
index 8f8d905..87abc7a 100644
--- a/cpukit/score/include/rtems/score/interr.h
+++ b/cpukit/score/include/rtems/score/interr.h
@@ -176,7 +176,9 @@ extern Internal_errors_Information
_Internal_errors_What_happened;
* determines that a fatal error has occurred or a final system state is
* reached (for example after exit()).
*
- * The first action of this function is to call the fatal handler of the user
+ * The first action is to disable interrupts.
+ *
+ * The second action of this function is to call the fatal handler of the user
* extensions. For the initial extensions the following conditions are
* required
* - a valid stack pointer and enough stack space,
diff --git a/cpukit/score/src/interr.c b/cpukit/score/src/interr.c
index 69e7681..38ac455 100644
--- a/cpukit/score/src/interr.c
+++ b/cpukit/score/src/interr.c
@@ -19,6 +19,7 @@
#endif
#include <rtems/score/interr.h>
+#include <rtems/score/isrlevel.h>
#include <rtems/score/sysstate.h>
#include <rtems/score/userextimpl.h>
@@ -32,6 +33,11 @@ void _Internal_error_Occurred(
Internal_errors_t the_error
)
{
+ ISR_Level level;
+
+ _ISR_Disable( level );
+ (void) level;
+
_User_extensions_Fatal( the_source, is_internal, the_error );
_Internal_errors_What_happened.the_source = the_source;
--
1.7.7
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