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-rw-r--r--erts/include/internal/ose/ethr_event.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/erts/include/internal/ose/ethr_event.h b/erts/include/internal/ose/ethr_event.h
index 86811a87db..000a600813 100644
--- a/erts/include/internal/ose/ethr_event.h
+++ b/erts/include/internal/ose/ethr_event.h
@@ -78,8 +78,17 @@ ETHR_INLINE_FUNC_NAME_(ethr_event_set)(ethr_event *e)
{
ethr_sint32_t val = ethr_atomic32_xchg_mb(&e->state, ETHR_EVENT_ON__);
if (val == ETHR_EVENT_OFF_WAITER__) {
- ETHR_ASSERT(get_fsem(e->proc) == -1);
- signal_fsem(e->proc);
+#ifdef DEBUG
+ OSFSEMVAL fsem_val = get_fsem(e->proc);
+
+ /* There is a race in this assert.
+ This is because the state is set before the wait call in wait__.
+ We hope that a delay of 10 ms is enough */
+ if (fsem_val == 0)
+ delay(10);
+ ETHR_ASSERT(get_fsem(e->proc) == -1);
+#endif
+ signal_fsem(e->proc);
}
}