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-rw-r--r--src/thread/pthread_attr_setdetachstate.c1
-rw-r--r--src/thread/pthread_attr_setscope.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/src/thread/pthread_attr_setdetachstate.c b/src/thread/pthread_attr_setdetachstate.c
index bfffba8c..1b712783 100644
--- a/src/thread/pthread_attr_setdetachstate.c
+++ b/src/thread/pthread_attr_setdetachstate.c
@@ -2,6 +2,7 @@
 
 int pthread_attr_setdetachstate(pthread_attr_t *a, int state)
 {
+	if (state > 1U) return EINVAL;
 	a->_a_detach = state;
 	return 0;
 }
diff --git a/src/thread/pthread_attr_setscope.c b/src/thread/pthread_attr_setscope.c
index a970a819..d56ee391 100644
--- a/src/thread/pthread_attr_setscope.c
+++ b/src/thread/pthread_attr_setscope.c
@@ -2,5 +2,6 @@
 
 int pthread_attr_setscope(pthread_attr_t *a, int scope)
 {
+	if (scope > 1U) return EINVAL;
 	return 0;
 }