24 #define YAMA_SCOPE_RELATIONAL 1
41 	EXPECT_EQ(0, prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0));  in create_domain()
78 	if (read(fd, buf, 1) < 0) {  in get_yama_ptrace_scope()
80 		return -1;  in get_yama_ptrace_scope()
100  * Test multiple tracing combinations between a parent process P1 and a child
105  * all P2 requests to trace P1 would be denied.
111  *   P1-.               P1 -> P2 : allow
112  *       \              P2 -> P1 : allow
126  *   P1--.              P1 -> P2 : allow
127  *        \             P2 -> P1 : deny
143  * |  P1  --.           P1 -> P2 : deny
144  * '------'  \          P2 -> P1 : allow
159  * |  P1  ---.          P1 -> P2 : deny
160  * '------'   \         P2 -> P1 : deny
176  * | P1----.     |      P1 -> P2 : allow
177  * |        \    |      P2 -> P1 : allow
193  * |  P1----.        |  P1 -> P2 : allow
194  * |         \       |  P2 -> P1 : deny
211  * |.------.         |  P1 -> P2 : deny
212  * ||  P1  ----.     |  P2 -> P1 : allow
229  * | .------.        |  P1 -> P2 : deny
230  * | |  P1  .        |  P2 -> P1 : deny
327 		ASSERT_EQ(0, close(pipe_parent[1]));  in TEST_F()
333 		ASSERT_EQ(1, read(pipe_parent[0], &buf_child, 1));  in TEST_F()
348 			EXPECT_EQ(-1, ret);  in TEST_F()
353 			ASSERT_EQ(1, WIFSTOPPED(status));  in TEST_F()
362 			EXPECT_EQ(-1, ret);  in TEST_F()
370 		ASSERT_EQ(1, write(pipe_child[1], ".", 1));  in TEST_F()
377 		ASSERT_EQ(1, read(pipe_parent[0], &buf_child, 1));  in TEST_F()
382 	ASSERT_EQ(0, close(pipe_child[1]));  in TEST_F()
388 	ASSERT_EQ(1, write(pipe_parent[1], ".", 1));  in TEST_F()
394 	ASSERT_EQ(1, read(pipe_child[0], &buf_parent, 1));  in TEST_F()
399 		ASSERT_EQ(1, WIFSTOPPED(status));  in TEST_F()
403 		EXPECT_EQ(-1, ptrace(PTRACE_DETACH, child, NULL, 0));  in TEST_F()
420 		EXPECT_EQ(-1, ret);  in TEST_F()
426 		ASSERT_EQ(1, WIFSTOPPED(status));  in TEST_F()
431 	ASSERT_EQ(1, write(pipe_parent[1], ".", 1));  in TEST_F()