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contiki: Clear events pointer once consummed #52

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contiki: Clear events pointer once consummed #52

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4 changes: 4 additions & 0 deletions components/uic_contiki/core/sys/process.c
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Original file line number Diff line number Diff line change
Expand Up @@ -313,6 +313,7 @@ static void do_event(void) CC_REENTRANT_ARG

data = events[fevent].data;
receiver = events[fevent].p;
int fevent_copy = fevent; /* To be cleared once processed */

/* Since we have seen the new event, we move pointer upwards
and decrese the number of events. */
Expand Down Expand Up @@ -342,6 +343,9 @@ static void do_event(void) CC_REENTRANT_ARG
/* Make sure that the process actually is running. */
call_process(receiver, ev, data);
}
/* Clear pointer (to potentially unreachable/freed data) */
events[fevent_copy].data = NULL;
events[fevent_copy].p = NULL;
}
}
/*---------------------------------------------------------------------------*/
Expand Down