1 // SPDX-License-Identifier: GPL-2.0
49 		return -1;  in __child()
56 		return -1;  in __child()
75 				return -1;  in __child()
80 			return -1;  in __child()
86 			return -1;  in __child()
92 		return -1;  in __child()
102 	memfd = sys_memfd_create("test", 0);  in child()
106 		ret = -1;  in child()
141 	self->sk = sk_pair[0];  in FIXTURE_SETUP()
143 	self->pid = fork();  in FIXTURE_SETUP()
144 	ASSERT_GE(self->pid, 0);  in FIXTURE_SETUP()
146 	if (self->pid == 0) {  in FIXTURE_SETUP()
155 	self->pidfd = sys_pidfd_open(self->pid, 0);  in FIXTURE_SETUP()
156 	ASSERT_GE(self->pidfd, 0);  in FIXTURE_SETUP()
162 	ret = recv(sk_pair[0], &self->remote_fd, sizeof(self->remote_fd), 0);  in FIXTURE_SETUP()
163 	ASSERT_EQ(sizeof(self->remote_fd), ret);  in FIXTURE_SETUP()
168 	EXPECT_EQ(0, close(self->pidfd));  in FIXTURE_TEARDOWN()
169 	EXPECT_EQ(0, close(self->sk));  in FIXTURE_TEARDOWN()
171 	EXPECT_EQ(0, wait_for_pid(self->pid));  in FIXTURE_TEARDOWN()
182 	 * The tests should run in their own process, so even this test fails,  in TEST_F()
189 	ASSERT_EQ(1, send(self->sk, "P", 1, 0));  in TEST_F()
190 	ASSERT_EQ(1, recv(self->sk, &c, 1, 0));  in TEST_F()
192 	fd = sys_pidfd_getfd(self->pidfd, self->remote_fd, 0);  in TEST_F()
193 	EXPECT_EQ(-1, fd);  in TEST_F()
204 	fd = sys_pidfd_getfd(self->pidfd, self->remote_fd, 0);  in TEST_F()
207 	ret = sys_kcmp(getpid(), self->pid, KCMP_FILE, fd, self->remote_fd);  in TEST_F()
223 	fd = sys_pidfd_getfd(self->pidfd, UNKNOWN_FD, 0);  in TEST_F()
224 	EXPECT_EQ(-1, fd) {  in TEST_F()
232 TEST(flags_set)  in TEST()  function
234 	ASSERT_EQ(-1, sys_pidfd_getfd(0, 0, 1));  in TEST()
238 #if __NR_pidfd_getfd == -1
241 …fprintf(stderr, "__NR_pidfd_getfd undefined. The pidfd_getfd syscall is unavailable. Test aborting…  in main()