22 #define BUG_ON(condition, description)					\  macro
36 	BUG_ON(ret <= 0, "read(sock)");  in parent_f()
40 	BUG_ON(ret, "msync()");  in parent_f()
43 	BUG_ON(ret <= 0, "write(sock)");  in parent_f()
46 	BUG_ON(!WIFEXITED(status), "child in unexpected state");  in parent_f()
57 	BUG_ON(smap == MAP_FAILED, "mmap()");  in child_f()
59 	BUG_ON(*smap != 0xdeadbabe, "MAP_PRIVATE | MAP_POPULATE changed file");  in child_f()
62 	BUG_ON(ret <= 0, "write(sock)");  in child_f()
65 	BUG_ON(ret <= 0, "read(sock)");  in child_f()
67 	BUG_ON(*smap == 0x22222BAD, "MAP_POPULATE didn't COW private page");  in child_f()
68 	BUG_ON(*smap != 0xdeadbabe, "mapping was corrupted");  in child_f()
80 	BUG_ON(!ftmp, "tmpfile()");  in main()
83 	BUG_ON(ret, "ftruncate()");  in main()
87 	BUG_ON(smap == MAP_FAILED, "mmap()");  in main()
92 	BUG_ON(ret, "msync()");  in main()
95 	BUG_ON(ret, "socketpair()");  in main()
98 	BUG_ON(child == -1, "fork()");  in main()
102 		BUG_ON(ret, "close()");  in main()
108 	BUG_ON(ret, "close()");  in main()