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

void *msgPoolDataTabCreate(msgSpace * space)
{
	int poolDataFd;		// shm file descriptor
	msgPoolData *poolDataTabAddr;
	poolDataFd = shm_open(space->poolDataTabId,
			      O_RDWR | O_CREAT | O_EXCL | O_TRUNC,
			      MSGSPACE_DEFAULT_MODE);
	if (poolDataFd == -1) {
		NZG_ERROR("shm_open :create", space->poolDataTabId);
		goto ERROR;
	}

	/* allocation de la bonne zone mémoire pour le poolData */
	if (ftruncate(poolDataFd, (space->poolNb) * sizeof(msgPoolData)) == -1) {
		NZG_ERROR("ftruncate", space->poolDataTabId);
		goto ERROR;
	}

	close(poolDataFd);
	poolDataTabAddr = msgPoolDataTabOpen(space);
	if (poolDataTabAddr == NULL) {
		NZG_ERROR("msgPoolDataTabOpen : create", space->poolDataTabId);
		goto ERROR;
	}
	/*mmap( 0, sizeof( *mSAddr ),
	   PROT_READ | PROT_WRITE,
	   MAP_SHARED, mSFd, 0 );
	   if( poolDataAddr == MAP_FAILED ) {
	   NZG_ERROR("mmap",poolDataTabId);
	   goto ERROR;
	   } */

	return poolDataTabAddr;
 ERROR:
	return NULL;
}