2 * @copyright Copyright (c) 2016-2020 TOYOTA MOTOR CORPORATION.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
24 #include <native_service/loglibrarylog_if.h>
25 #include "loglibrarylog_internal.h"
28 LOGLIBRARYLOG_Freeze(void) {
33 fd = shm_open(FRAMEWORKUNIFIEDLOG_SHARED_MEM_NAME, O_RDWR | O_CREAT, S_IRWXU | S_IRWXO);
35 fprintf(stderr, "[%s:L%d]shm_open(%s) error(%d)\n", __FUNCTION__, __LINE__,
36 FRAMEWORKUNIFIEDLOG_SHARED_MEM_NAME, errno);
40 ret = ftruncate(fd, sizeof(int));
42 fprintf(stderr, "[%s:L%d]ftruncate() error(%d)\n", __FUNCTION__, __LINE__, ret);
47 pmap = mmap(NULL, sizeof(int), PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
49 if (pmap == MAP_FAILED) {
50 fprintf(stderr, "[%s:L%d]mmap() error(%d)\n", __FUNCTION__, __LINE__, errno);
53 *pmap = FRAMEWORKUNIFIEDLOG_REALTIMELOG_MODE_FREEZE;
55 if (munmap(pmap, sizeof(int)) != 0) {
56 fprintf(stderr, "[%s:L%d]munmap() error(%d)\n", __FUNCTION__, __LINE__, errno);