1 // RUN: %clang -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: target=powerpc64-unknown-linux-gnu{{.*}} 8 9 #include <pthread.h> 10 #include <stdio.h> 11 #include <sys/types.h> 12 #include <unistd.h> 13 14 // Setuid call used to hang because the new thread did not handle 15 // SIGSETXID signal. Note that we don't care whether setuid call succeeds 16 // or not. 17 thread(void * arg)18static void *thread(void *arg) { 19 (void)arg; 20 sleep(1); 21 return 0; 22 } 23 main()24int main() { 25 // Create another thread just for completeness of the picture. 26 pthread_t th; 27 pthread_create(&th, 0, thread, 0); 28 setuid(0); 29 pthread_join(th, 0); 30 fprintf(stderr, "DONE\n"); 31 return 0; 32 } 33 34 // CHECK: DONE 35