#include "libnazgul.h"
#include "ids.h"

void *msgSpaceListOpen()
{
	int listFd;
	void *listAddr;

	msgSpaceListId spaceListId;
	strcpy(spaceListId, DEFAULT_MSGSPACELISTID);

	listFd = shm_open(spaceListId, O_RDWR, SHM_DEFAULT_MODE);
	if (listFd == -1) {
		NZG_ERROR("shm_open : msgSpaceList open", spaceListId);
		goto ERROR;
	}

	listAddr = mmap(NULL,
			sizeof(msgSpaceList),
			PROT_READ | PROT_WRITE, MAP_SHARED, listFd, 0);
	if (listAddr == MAP_FAILED) {
		NZG_ERROR("mmap", spaceListId);
		goto ERROR;
	}

	close(listFd);
	return listAddr;
 ERROR:
	return NULL;
}