C++ (Cpp) free_logareaの例

コード例 #1

ファイル: log.c プロジェクト: flexiant/extility-open-iscsi

static void __log_close(void)
{
	if (log_daemon) {
		log_flush();
		closelog();
		free_logarea();
	}
}

コード例 #2

ファイル: log.c プロジェクト: BackupTheBerlios/stgt-svn

void log_close (void)
{
	if (is_daemon) {
		closelog();
		free_logarea();
	}
	return;
}

コード例 #3

ファイル: log.c プロジェクト: flexiant/extility-open-iscsi

static int logarea_init (int size)
{
	int shmid;

	logdbg(stderr,"enter logarea_init\n");

	if ((shmid = shmget(IPC_PRIVATE, sizeof(struct logarea),
			    0644 | IPC_CREAT | IPC_EXCL)) == -1) {
		syslog(LOG_ERR, "shmget logarea failed %d", errno);
		return 1;
	}

	la = shmat(shmid, NULL, 0);
	if (!la) {
		syslog(LOG_ERR, "shmat logarea failed %d", errno);
		shmctl(shmid, IPC_RMID, NULL);
		return 1;
	}
	la->shmid = shmid;
	la->start = NULL;
	la->buff = NULL;
	la->semid = -1;

	if (size < MAX_MSG_SIZE)
		size = DEFAULT_AREA_SIZE;

	if ((shmid = shmget(IPC_PRIVATE, size,
			    0644 | IPC_CREAT | IPC_EXCL)) == -1) {
		syslog(LOG_ERR, "shmget msg failed %d", errno);
		free_logarea();
		return 1;
	}
	la->shmid_msg = shmid;

	la->start = shmat(la->shmid_msg, NULL, 0);
	if (!la->start) {
		syslog(LOG_ERR, "shmat msg failed %d", errno);
		free_logarea();
		return 1;
	}
	memset(la->start, 0, size);

	la->empty = 1;
	la->end = la->start + size;
	la->head = la->start;
	la->tail = la->start;

	if ((shmid = shmget(IPC_PRIVATE, MAX_MSG_SIZE + sizeof(struct logmsg),
			    0644 | IPC_CREAT | IPC_EXCL)) == -1) {
		syslog(LOG_ERR, "shmget logmsg failed %d", errno);
		free_logarea();
		return 1;
	}
	la->buff = shmat(shmid, NULL, 0);
	if (!la->buff) {
		syslog(LOG_ERR, "shmat logmsgfailed %d", errno);
		free_logarea();
		return 1;
	}

	if ((la->semid = semget(SEMKEY, 1, 0600 | IPC_CREAT)) < 0) {
		syslog(LOG_ERR, "semget failed %d", errno);
		free_logarea();
		return 1;
	}

	la->semarg.val=1;
	if (semctl(la->semid, 0, SETVAL, la->semarg) < 0) {
		syslog(LOG_ERR, "semctl failed %d", errno);
		free_logarea();
		return 1;
	}

	la->shmid_buff = shmid;
	la->ops[0].sem_num = 0;
	la->ops[0].sem_flg = 0;

	return 0;

}