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 16 static void *thread(void *arg) { 17 (void)arg; 18 sleep(1); 19 return 0; 20 } 21 22 int 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
