1*7c3d14c8STreehugger Robot // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s 2*7c3d14c8STreehugger Robot // 3*7c3d14c8STreehugger Robot // setuid(0) hangs on powerpc64 big endian. When this is fixed remove 4*7c3d14c8STreehugger Robot // the unsupported flag. 5*7c3d14c8STreehugger Robot // https://llvm.org/bugs/show_bug.cgi?id=25799 6*7c3d14c8STreehugger Robot // 7*7c3d14c8STreehugger Robot // UNSUPPORTED: powerpc64-unknown-linux-gnu 8*7c3d14c8STreehugger Robot #include "test.h" 9*7c3d14c8STreehugger Robot #include <sys/types.h> 10*7c3d14c8STreehugger Robot #include <unistd.h> 11*7c3d14c8STreehugger Robot 12*7c3d14c8STreehugger Robot // Setuid call used to hang because the background tsan thread did not handle 13*7c3d14c8STreehugger Robot // SIGSETXID signal. Note that we don't care whether setuid call succeeds 14*7c3d14c8STreehugger Robot // or not. 15*7c3d14c8STreehugger Robot thread(void * arg)16*7c3d14c8STreehugger Robotstatic void *thread(void *arg) { 17*7c3d14c8STreehugger Robot (void)arg; 18*7c3d14c8STreehugger Robot sleep(1); 19*7c3d14c8STreehugger Robot return 0; 20*7c3d14c8STreehugger Robot } 21*7c3d14c8STreehugger Robot main()22*7c3d14c8STreehugger Robotint main() { 23*7c3d14c8STreehugger Robot // Create another thread just for completeness of the picture. 24*7c3d14c8STreehugger Robot pthread_t th; 25*7c3d14c8STreehugger Robot pthread_create(&th, 0, thread, 0); 26*7c3d14c8STreehugger Robot setuid(0); 27*7c3d14c8STreehugger Robot pthread_join(th, 0); 28*7c3d14c8STreehugger Robot fprintf(stderr, "DONE\n"); 29*7c3d14c8STreehugger Robot return 0; 30*7c3d14c8STreehugger Robot } 31*7c3d14c8STreehugger Robot 32*7c3d14c8STreehugger Robot // CHECK: DONE 33