30 static pid_t pidfd_clone(int flags, int *pidfd, int (*fn)(void *))  in pidfd_clone()  argument
36 	return __clone2(fn, stack, stack_size, flags | SIGCHLD, NULL, pidfd);  in pidfd_clone()
38 	return clone(fn, stack + stack_size, flags | SIGCHLD, NULL, pidfd);  in pidfd_clone()
56 	int pidfd, ret;  in test_pidfd_send_signal_simple_success()  local
59 	pidfd = open("/proc/self", O_DIRECTORY | O_CLOEXEC);  in test_pidfd_send_signal_simple_success()
60 	if (pidfd < 0)  in test_pidfd_send_signal_simple_success()
67 	ret = sys_pidfd_send_signal(pidfd, SIGUSR1, NULL, 0);  in test_pidfd_send_signal_simple_success()
68 	close(pidfd);  in test_pidfd_send_signal_simple_success()
84 	int pidfd, ret, saved_errno;  in test_pidfd_send_signal_exited_fail()  local
99 	pidfd = open(buf, O_DIRECTORY | O_CLOEXEC);  in test_pidfd_send_signal_exited_fail()
103 	if (pidfd < 0)  in test_pidfd_send_signal_exited_fail()
108 	ret = sys_pidfd_send_signal(pidfd, 0, NULL, 0);  in test_pidfd_send_signal_exited_fail()
110 	close(pidfd);  in test_pidfd_send_signal_exited_fail()
165 		int pidfd = -1;  in test_pidfd_send_signal_recycled_pid_fail()  local
184 				pidfd = open(buf, O_DIRECTORY | O_CLOEXEC);  in test_pidfd_send_signal_recycled_pid_fail()
200 			close(pidfd);  in test_pidfd_send_signal_recycled_pid_fail()
204 		if (pidfd < 0)  in test_pidfd_send_signal_recycled_pid_fail()
247 				ret = sys_pidfd_send_signal(pidfd, SIGCONT,  in test_pidfd_send_signal_recycled_pid_fail()
317 	int pidfd, ret;  in test_pidfd_send_signal_syscall_support()  local
320 	pidfd = open("/proc/self", O_DIRECTORY | O_CLOEXEC);  in test_pidfd_send_signal_syscall_support()
321 	if (pidfd < 0)  in test_pidfd_send_signal_syscall_support()
326 	ret = sys_pidfd_send_signal(pidfd, 0, NULL, 0);  in test_pidfd_send_signal_syscall_support()
337 	close(pidfd);  in test_pidfd_send_signal_syscall_support()
357 static void poll_pidfd(const char *test_name, int pidfd)  in poll_pidfd()  argument
369 	event.data.fd = pidfd;  in poll_pidfd()
371 	if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, pidfd, &event)) {  in poll_pidfd()
405 	int pid, pidfd = 0;  in test_pidfd_poll_exec()  local
412 	pid = pidfd_clone(CLONE_PIDFD, &pidfd, child_poll_exec_test);  in test_pidfd_poll_exec()
427 		poll_pidfd(test_name, pidfd);  in test_pidfd_poll_exec()
434 	close(pidfd);  in test_pidfd_poll_exec()
470 	int pid, pidfd = 0;  in test_pidfd_poll_leader_exit()  local
484 	pid = pidfd_clone(CLONE_PIDFD, &pidfd, child_poll_leader_exit_test);  in test_pidfd_poll_leader_exit()
502 		poll_pidfd(test_name, pidfd);  in test_pidfd_poll_leader_exit()
512 	close(pidfd);  in test_pidfd_poll_leader_exit()