You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
32 lines
591 B
32 lines
591 B
// RUN: %clangxx_tsan %s -o %t
|
|
// RUN: %run %t 2>&1 | FileCheck %s
|
|
|
|
// bench.h needs pthread barriers which are not available on OS X
|
|
// UNSUPPORTED: darwin
|
|
|
|
#include "bench.h"
|
|
|
|
pthread_mutex_t mtx;
|
|
pthread_cond_t cv;
|
|
int x;
|
|
|
|
void thread(int tid) {
|
|
for (int i = 0; i < bench_niter; i++) {
|
|
pthread_mutex_lock(&mtx);
|
|
while (x != i * 2 + tid)
|
|
pthread_cond_wait(&cv, &mtx);
|
|
x++;
|
|
pthread_cond_signal(&cv);
|
|
pthread_mutex_unlock(&mtx);
|
|
}
|
|
}
|
|
|
|
void bench() {
|
|
pthread_mutex_init(&mtx, 0);
|
|
pthread_cond_init(&cv, 0);
|
|
start_thread_group(2, thread);
|
|
}
|
|
|
|
// CHECK: DONE
|
|
|