diff options
Diffstat (limited to 'nsframework/log_library/client/src/loglibrarylog.c')
-rw-r--r-- | nsframework/log_library/client/src/loglibrarylog.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/nsframework/log_library/client/src/loglibrarylog.c b/nsframework/log_library/client/src/loglibrarylog.c new file mode 100644 index 00000000..7aa7c2b6 --- /dev/null +++ b/nsframework/log_library/client/src/loglibrarylog.c @@ -0,0 +1,60 @@ +/* + * @copyright Copyright (c) 2016-2020 TOYOTA MOTOR CORPORATION. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <stdio.h> +#include <sys/mman.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <errno.h> + +#include <native_service/loglibrarylog_if.h> +#include "loglibrarylog_internal.h" + +int +LOGLIBRARYLOG_Freeze(void) { + int fd; + int *pmap; + int ret; + + fd = shm_open(FRAMEWORKUNIFIEDLOG_SHARED_MEM_NAME, O_RDWR | O_CREAT, S_IRWXU | S_IRWXO); + if (fd == -1) { + fprintf(stderr, "[%s:L%d]shm_open(%s) error(%d)\n", __FUNCTION__, __LINE__, + FRAMEWORKUNIFIEDLOG_SHARED_MEM_NAME, errno); + return -1; + } + + ret = ftruncate(fd, sizeof(int)); + if (ret == 0) { + fprintf(stderr, "[%s:L%d]ftruncate() error(%d)\n", __FUNCTION__, __LINE__, ret); + close(fd); + return -1; + } + + pmap = mmap(NULL, sizeof(int), PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); + close(fd); + if (pmap == MAP_FAILED) { + fprintf(stderr, "[%s:L%d]mmap() error(%d)\n", __FUNCTION__, __LINE__, errno); + return -1; + } + *pmap = FRAMEWORKUNIFIEDLOG_REALTIMELOG_MODE_FREEZE; + + if (munmap(pmap, sizeof(int)) != 0) { + fprintf(stderr, "[%s:L%d]munmap() error(%d)\n", __FUNCTION__, __LINE__, errno); + } + + return 0; +} |