// This test depends on the glibc layout of struct sem_t and checks that we
// don't leave sem_t::private uninitialized.
// UNSUPPORTED: android
+#include <features.h>
#include <assert.h>
#include <semaphore.h>
#include <string.h>
+#include <stdint.h>
-void my_sem_init(bool priv, int value, unsigned *a, unsigned char *b) {
+// This condition needs to correspond to __HAVE_64B_ATOMICS macro in glibc.
+#if (defined(__x86_64__) || defined(__aarch64__) || defined(__powerpc64__) || \
+ defined(__s390x__) || defined(__sparc64__) || defined(__alpha__) || \
+ defined(__ia64__) || defined(__m68k__)) && __GLIBC_PREREQ(2, 21)
+typedef uint64_t semval_t;
+#else
+typedef unsigned semval_t;
+#endif
+
+void my_sem_init(bool priv, int value, semval_t *a, unsigned char *b) {
sem_t sem;
memset(&sem, 0xAB, sizeof(sem));
sem_init(&sem, priv, value);
char *p = (char *)&sem;
- memcpy(a, p, sizeof(unsigned));
- memcpy(b, p + sizeof(unsigned), sizeof(char));
+ memcpy(a, p, sizeof(semval_t));
+ memcpy(b, p + sizeof(semval_t), sizeof(char));
sem_destroy(&sem);
}
int main() {
- unsigned a;
+ semval_t a;
unsigned char b;
my_sem_init(false, 42, &a, &b);