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// RUN: %clang_safestack %s -pthread -o %t
// RUN: %run %t
// Test that pthreads receive their own unsafe stack.
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include "utils.h"
static int ptr_test = 42;
void *t1_start(void *ptr)
{
if (ptr != &ptr_test)
abort();
// safe stack
int val = ptr_test * 5;
// unsafe stack
char buffer[8096]; // two pages
memset(buffer, val, sizeof (buffer));
break_optimization(buffer);
return ptr;
}
int main(int argc, char **argv)
{
pthread_t t1;
void *ptr = NULL;
if (pthread_create(&t1, NULL, t1_start, &ptr_test))
abort();
if (pthread_join(t1, &ptr))
abort();
if (ptr != &ptr_test)
abort();
return 0;
}
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