33 static pid_t pidfd_clone(int flags, int *pidfd, int (*fn)(void *))  in pidfd_clone()  argument
39 	return __clone2(fn, stack, stack_size, flags | SIGCHLD, NULL, pidfd);  in pidfd_clone()
41 	return clone(fn, stack + stack_size, flags | SIGCHLD, NULL, pidfd);  in pidfd_clone()
59 	int pidfd, ret;  in test_pidfd_send_signal_simple_success()  local
69 	pidfd = open("/proc/self", O_DIRECTORY | O_CLOEXEC);  in test_pidfd_send_signal_simple_success()
70 	if (pidfd < 0)  in test_pidfd_send_signal_simple_success()
77 	ret = sys_pidfd_send_signal(pidfd, SIGUSR1, NULL, 0);  in test_pidfd_send_signal_simple_success()
78 	close(pidfd);  in test_pidfd_send_signal_simple_success()
94 	int pidfd, ret, saved_errno;  in test_pidfd_send_signal_exited_fail()  local
116 	pidfd = open(buf, O_DIRECTORY | O_CLOEXEC);  in test_pidfd_send_signal_exited_fail()
121 	if (pidfd < 0)  in test_pidfd_send_signal_exited_fail()
126 	ret = sys_pidfd_send_signal(pidfd, 0, NULL, 0);  in test_pidfd_send_signal_exited_fail()
128 	close(pidfd);  in test_pidfd_send_signal_exited_fail()
201 		int pidfd = -1;  in test_pidfd_send_signal_recycled_pid_fail()  local
220 				pidfd = open(buf, O_DIRECTORY | O_CLOEXEC);  in test_pidfd_send_signal_recycled_pid_fail()
236 			close(pidfd);  in test_pidfd_send_signal_recycled_pid_fail()
240 		if (pidfd < 0)  in test_pidfd_send_signal_recycled_pid_fail()
283 				ret = sys_pidfd_send_signal(pidfd, SIGCONT,  in test_pidfd_send_signal_recycled_pid_fail()
353 	int pidfd, ret;  in test_pidfd_send_signal_syscall_support()  local
356 	pidfd = open("/proc/self", O_DIRECTORY | O_CLOEXEC);  in test_pidfd_send_signal_syscall_support()
357 	if (pidfd < 0)  in test_pidfd_send_signal_syscall_support()
362 	ret = sys_pidfd_send_signal(pidfd, 0, NULL, 0);  in test_pidfd_send_signal_syscall_support()
375 	close(pidfd);  in test_pidfd_send_signal_syscall_support()
395 static void poll_pidfd(const char *test_name, int pidfd)  in poll_pidfd()  argument
407 	event.data.fd = pidfd;  in poll_pidfd()
409 	if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, pidfd, &event)) {  in poll_pidfd()
445 	int pid, pidfd = 0;  in test_pidfd_poll_exec()  local
451 	pid = pidfd_clone(CLONE_PIDFD, &pidfd, child_poll_exec_test);  in test_pidfd_poll_exec()
466 		poll_pidfd(test_name, pidfd);  in test_pidfd_poll_exec()
473 	close(pidfd);  in test_pidfd_poll_exec()
511 	int pid, pidfd = 0;  in test_pidfd_poll_leader_exit()  local
524 	pid = pidfd_clone(CLONE_PIDFD, &pidfd, child_poll_leader_exit_test);  in test_pidfd_poll_leader_exit()
542 		poll_pidfd(test_name, pidfd);  in test_pidfd_poll_leader_exit()
552 	close(pidfd);  in test_pidfd_poll_leader_exit()