31 	int pidfd = -1;  in TEST()  local
35 		.pidfd = ptr_to_u64(&pidfd),  in TEST()
44 	pidfd = open("/proc/self", O_DIRECTORY | O_RDONLY | O_CLOEXEC);  in TEST()
45 	ASSERT_GE(pidfd, 0);  in TEST()
47 	pid = sys_waitid(P_PIDFD, pidfd, &info, WEXITED);  in TEST()
49 	EXPECT_EQ(close(pidfd), 0);  in TEST()
50 	pidfd = -1;  in TEST()
52 	pidfd = open("/dev/null", O_RDONLY | O_CLOEXEC);  in TEST()
53 	ASSERT_GE(pidfd, 0);  in TEST()
55 	pid = sys_waitid(P_PIDFD, pidfd, &info, WEXITED);  in TEST()
57 	EXPECT_EQ(close(pidfd), 0);  in TEST()
58 	pidfd = -1;  in TEST()
66 	pid = sys_waitid(P_PIDFD, pidfd, &info, WEXITED);  in TEST()
70 	EXPECT_EQ(close(pidfd), 0);  in TEST()
79 	int pidfd = -1;  in TEST()  local
83 		.pidfd = ptr_to_u64(&pidfd),  in TEST()
109 	ASSERT_EQ(sys_waitid(P_PIDFD, pidfd, &info, WSTOPPED), 0);  in TEST()
114 	ASSERT_EQ(sys_pidfd_send_signal(pidfd, SIGCONT, NULL, 0), 0);  in TEST()
116 	ASSERT_EQ(sys_waitid(P_PIDFD, pidfd, &info, WCONTINUED), 0);  in TEST()
123 	ASSERT_EQ(sys_waitid(P_PIDFD, pidfd, &info, WUNTRACED), 0);  in TEST()
128 	ASSERT_EQ(sys_pidfd_send_signal(pidfd, SIGKILL, NULL, 0), 0);  in TEST()
130 	ASSERT_EQ(sys_waitid(P_PIDFD, pidfd, &info, WEXITED), 0);  in TEST()
135 	EXPECT_EQ(close(pidfd), 0);  in TEST()
140 	int pidfd;  in TEST()  local
158 	pidfd = sys_pidfd_open(getpid(), PIDFD_NONBLOCK);  in TEST()
159 	EXPECT_GE(pidfd, 0) {  in TEST()
165 	ret = sys_waitid(P_PIDFD, pidfd, &info, WEXITED);  in TEST()
168 	EXPECT_EQ(close(pidfd), 0);  in TEST()
178 	pidfd = sys_pidfd_open(pid, PIDFD_NONBLOCK);  in TEST()
179 	EXPECT_GE(pidfd, 0) {  in TEST()
185 	flags = fcntl(pidfd, F_GETFL, 0);  in TEST()
193 	ret = sys_waitid(P_PIDFD, pidfd, &info, WEXITED);  in TEST()
202 	ret = sys_waitid(P_PIDFD, pidfd, &info, WEXITED | WNOHANG);  in TEST()
205 	ASSERT_EQ(fcntl(pidfd, F_SETFL, (flags & ~O_NONBLOCK)), 0);  in TEST()
207 	ASSERT_EQ(sys_waitid(P_PIDFD, pidfd, &info, WSTOPPED), 0);  in TEST()
212 	ASSERT_EQ(sys_pidfd_send_signal(pidfd, SIGCONT, NULL, 0), 0);  in TEST()
214 	ASSERT_EQ(sys_waitid(P_PIDFD, pidfd, &info, WEXITED), 0);  in TEST()
219 	EXPECT_EQ(close(pidfd), 0);  in TEST()