mop_with_offset.cc [plain text]
#include <pthread.h>
#include <stddef.h>
#include <stdio.h>
#include <unistd.h>
void *Thread1(void *x) {
int *p = (int*)x;
p[0] = 1;
return NULL;
}
void *Thread2(void *x) {
sleep(1);
char *p = (char*)x;
p[2] = 1;
return NULL;
}
int main() {
int *data = new int(42);
fprintf(stderr, "ptr1=%p\n", data);
fprintf(stderr, "ptr2=%p\n", (char*)data + 2);
pthread_t t[2];
pthread_create(&t[0], NULL, Thread1, data);
pthread_create(&t[1], NULL, Thread2, data);
pthread_join(t[0], NULL);
pthread_join(t[1], NULL);
delete data;
}