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/* { dg-set-target-env-var TSAN_OPTIONS "halt_on_error=1" } */
/* { dg-shouldfail "tsan" } */
/* { dg-additional-options "-ldl" } */
#include <pthread.h>
#include <unistd.h>
#include "tsan_barrier.h"
#define MAX_ITERATIONS_NUMBER 1
#define SLEEP_STEP 128000
static pthread_barrier_t barrier;
unsigned int delay_time = 1000;
static inline void delay () {
usleep(delay_time);
}
extern int main_1();
int main() {
barrier_init(&barrier, 2);
int i;
for (i = 0; i < MAX_ITERATIONS_NUMBER; i++) {
main_1();
delay_time += delay_time < 256000 ? delay_time : SLEEP_STEP;
}
return 0;
}
int Global;
void *Thread1(void *x) {
barrier_wait(&barrier);
delay();
Global = 42;
return NULL;
}
void *Thread2(void *x) {
Global = 43;
barrier_wait(&barrier);
return NULL;
}
int main_1() {
pthread_t t[2];
pthread_create(&t[0], NULL, Thread1, NULL);
pthread_create(&t[1], NULL, Thread2, NULL);
pthread_join(t[0], NULL);
pthread_join(t[1], NULL);
return 0;
}
/* { dg-output "WARNING: ThreadSanitizer: data race.*(\n|\r\n|\r)" } */
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