1// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
2//
3// setuid(0) hangs on powerpc64 big endian. When this is fixed remove
4// the unsupported flag.
5// https://llvm.org/bugs/show_bug.cgi?id=25799
6//
7// UNSUPPORTED: powerpc64-unknown-linux-gnu
8#include "test.h"
9#include <sys/types.h>
10#include <unistd.h>
11
12// Setuid call used to hang because the background tsan thread did not handle
13// SIGSETXID signal. Note that we don't care whether setuid call succeeds
14// or not.
15
16static void *thread(void *arg) {
17 (void)arg;
18 sleep(1);
19 return 0;
20}
21
22int main() {
23 // Create another thread just for completeness of the picture.
24 pthread_t th;
25 pthread_create(&th, 0, thread, 0);
26 setuid(0);
27 pthread_join(th, 0);
28 fprintf(stderr, "DONE\n");
29 return 0;
30}
31
32// CHECK: DONE
33