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-rw-r--r--test/msan/sem_getvalue.cc22
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diff --git a/test/msan/sem_getvalue.cc b/test/msan/sem_getvalue.cc
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+// RUN: %clangxx_msan -O0 -g %s -o %t && %run %t
+
+#include <assert.h>
+#include <sanitizer/msan_interface.h>
+#include <semaphore.h>
+
+int main(void) {
+ sem_t sem;
+ int res = sem_init(&sem, 0, 42);
+ assert(res == 0);
+
+ int v;
+ res = sem_getvalue(&sem, &v);
+ assert(res == 0);
+ __msan_check_mem_is_initialized(&v, sizeof(v));
+ assert(v == 42);
+
+ res = sem_destroy(&sem);
+ assert(res == 0);
+
+ return 0;
+}