1ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* All OK - test allowed read sharing */ 2ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <pthread.h> 4ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <assert.h> 5ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic int shared; 7ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 8ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic void *t1(void *v) 9ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 10ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return (void *)(long)(shared + 44); 11ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 12ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 13ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic void *t2(void *v) 14ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 15ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return (void *)(long)(shared + 55); 16ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 17ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 18ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint main() 19ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 20ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown pthread_t a, b; 21ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 22ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown shared = 22; 23ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 24ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown pthread_create(&a, NULL, t1, NULL); 25ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown pthread_create(&b, NULL, t2, NULL); 26ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 27ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown pthread_join(a, NULL); 28ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown pthread_join(b, NULL); 29ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 30ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown assert(shared == 22); 31ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 32ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return 0; 33ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 34