1 // RUN: %clangxx -O0 -g %s -lutil -o %t && %run %t 2 // This test depends on the glibc layout of struct sem_t and checks that we 3 // don't leave sem_t::private uninitialized. 4 // UNSUPPORTED: android 5 #include <assert.h> 6 #include <semaphore.h> 7 #include <string.h> 8 9 void my_sem_init(bool priv, int value, unsigned *a, unsigned char *b) { 10 sem_t sem; 11 memset(&sem, 0xAB, sizeof(sem)); 12 sem_init(&sem, priv, value); 13 14 char *p = (char *)&sem; 15 memcpy(a, p, sizeof(unsigned)); 16 memcpy(b, p + sizeof(unsigned), sizeof(char)); 17 18 sem_destroy(&sem); 19 } 20 21 int main() { 22 unsigned a; 23 unsigned char b; 24 25 my_sem_init(false, 42, &a, &b); 26 assert(a == 42); 27 assert(b != 0xAB); 28 29 my_sem_init(true, 43, &a, &b); 30 assert(a == 43); 31 assert(b != 0xAB); 32 } 33
