| // RUN: %clangxx -O0 -g %s -lutil -o %t && %run %t |
| // 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 <assert.h> |
| #include <semaphore.h> |
| #include <string.h> |
| |
| void my_sem_init(bool priv, int value, unsigned *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)); |
| |
| sem_destroy(&sem); |
| } |
| |
| int main() { |
| unsigned a; |
| unsigned char b; |
| |
| my_sem_init(false, 42, &a, &b); |
| assert(a == 42); |
| assert(b != 0xAB); |
| |
| my_sem_init(true, 43, &a, &b); |
| assert(a == 43); |
| assert(b != 0xAB); |
| } |