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-rw-r--r--tools/schedsim/shell/shared/main_semcreate.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/schedsim/shell/shared/main_semcreate.c b/tools/schedsim/shell/shared/main_semcreate.c
index 1bfd3cd84b..ad2c9f8464 100644
--- a/tools/schedsim/shell/shared/main_semcreate.c
+++ b/tools/schedsim/shell/shared/main_semcreate.c
@@ -41,6 +41,8 @@ int rtems_shell_main_semaphore_create(
char option;
int value;
+ CHECK_RTEMS_IS_UP();
+
ceiling = 0;
attr = RTEMS_DEFAULT_ATTRIBUTES;
value = 0;