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| // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
#include <pthread.h>
#include <stdlib.h>
#include <stdio.h>
struct Cache {
int x;
explicit Cache(int x)
: x(x) {
}
};
void foo(Cache *my) {
static Cache *c = my ? my : new Cache(rand());
if (c->x >= RAND_MAX)
exit(1);
}
void *Thread(void *x) {
foo(new Cache(rand()));
return 0;
}
int main() {
pthread_t t[2];
pthread_create(&t[0], 0, Thread, 0);
pthread_create(&t[1], 0, Thread, 0);
pthread_join(t[0], 0);
pthread_join(t[1], 0);
fprintf(stderr, "PASS\n");
}
// CHECK-NOT: WARNING: ThreadSanitizer: data race
|