110 static int child(struct shared_info *info)  in child()  argument
117 	ret = wait_parent(&info->child_sync);  in child()
139 	info->amr |= 3ul << pkeyshift(pkey1) | 2ul << pkeyshift(pkey2);  in child()
142 		info->iamr |= 1ul << pkeyshift(pkey1);  in child()
144 		info->iamr &= ~(1ul << pkeyshift(pkey1));  in child()
146 	info->iamr &= ~(1ul << pkeyshift(pkey2) | 1ul << pkeyshift(pkey3));  in child()
148 	info->uamor |= 3ul << pkeyshift(pkey1) | 3ul << pkeyshift(pkey2);  in child()
151 	       user_write, info->amr, pkey1, pkey2, pkey3);  in child()
153 	set_amr(info->amr);  in child()
161 	info->core_time = time(NULL);  in child()
174 static off_t try_core_file(const char *filename, struct shared_info *info,  in try_core_file()  argument
185 	return buf.st_mtime >= info->core_time ? buf.st_size : TEST_FAIL;  in try_core_file()
195 static int check_core_file(struct shared_info *info, Elf64_Ehdr *ehdr,  in check_core_file()  argument
249 	FAIL_IF(regs[0] != info->amr);  in check_core_file()
250 	FAIL_IF(regs[1] != info->iamr);  in check_core_file()
251 	FAIL_IF(regs[2] != info->uamor);  in check_core_file()
256 static int parent(struct shared_info *info, pid_t pid)  in parent()  argument
269 	PARENT_SKIP_IF_UNSUPPORTED(ret, &info->child_sync);  in parent()
270 	PARENT_FAIL_IF(ret, &info->child_sync);  in parent()
272 	info->amr = regs[0];  in parent()
273 	info->iamr = regs[1];  in parent()
274 	info->uamor = regs[2];  in parent()
277 	ret = prod_child(&info->child_sync);  in parent()
278 	PARENT_FAIL_IF(ret, &info->child_sync);  in parent()
312 		core_size = try_core_file(filename[i], info, pid);  in parent()
337 	ret = check_core_file(info, core, core_size);  in parent()
419 	struct shared_info *info;  in core_pkey()  local
428 	shm_id = shmget(IPC_PRIVATE, sizeof(*info), 0777 | IPC_CREAT);  in core_pkey()
429 	info = shmat(shm_id, NULL, 0);  in core_pkey()
431 	ret = init_child_sync(&info->child_sync);  in core_pkey()
440 		ret = child(info);  in core_pkey()
442 		ret = parent(info, pid);  in core_pkey()
444 	shmdt(info);  in core_pkey()
447 		destroy_child_sync(&info->child_sync);  in core_pkey()