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1// RUN: %clang_tsan -O1 %s -o %t && %env_tsan_opts=flush_memory_ms=1:memory_limit_mb=1 %run %t 2>&1 | FileCheck %s2//3// setuid(0) hangs on powerpc64 big endian. When this is fixed remove4// the unsupported flag.5// https://llvm.org/bugs/show_bug.cgi?id=257996//7// UNSUPPORTED: target=powerpc64-unknown-linux-gnu{{.*}}8#include "test.h"9#include <sys/types.h>10#include <unistd.h>11#include <time.h>12 13// Test that setuid call works in presence of stoptheworld.14 15int main() {16 unsigned long long tp0, tp1;17 tp0 = monotonic_clock_ns();18 tp1 = monotonic_clock_ns();19 while (tp1 - tp0 < 3 * 1000000000ull) {20 tp1 = monotonic_clock_ns();21 setuid(0);22 }23 fprintf(stderr, "DONE\n");24 return 0;25}26 27// CHECK: DONE28