1 // RUN: %clang_tsan -O1 %s -o %t && %env_tsan_opts=flush_memory_ms=1:memory_limit_mb=1 %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 #include <time.h> 12 13 // Test that setuid call works in presence of stoptheworld. 14 15 int 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: DONE 28