/****************************************************************
 *								*
 *	Copyright 2001, 2009 Fidelity Information Services, Inc	*
 *								*
 *	This source code contains the intellectual property	*
 *	of its copyright holder(s), and is made available	*
 *	under a license.  If you do not know the terms of	*
 *	the license, please stop and do not read further.	*
 *								*
 ****************************************************************/
#include "mdef.h"
#include "cmidef.h"
#include "gtm_string.h"
#include <errno.h>

GBLDEF struct NTD *ntd_root;

/* CLEAN-UP: 1. replace CMI_CMICHECK with new message
	2. find correct size and location of MBX_SIZE
*/

error_def(CMI_CMICHECK);

cmi_status_t cmj_netinit(void)
{
	struct NTD *tsk;
	struct sigaction sa;
	int rval;

	if (ntd_root)
		return CMI_CMICHECK;
	ntd_root = (struct NTD *)malloc(SIZEOF(*ntd_root));
	tsk = ntd_root;
	memset(tsk, 0, SIZEOF(*tsk));
	tsk->listen_fd = FD_INVALID;
	FD_ZERO(&tsk->rs);
	FD_ZERO(&tsk->ws);
	FD_ZERO(&tsk->es);


	/* to support CMI_MUTEX_ macros */
	sigemptyset(&tsk->mutex_set);
	sigaddset(&tsk->mutex_set, SIGIO);
	sigaddset(&tsk->mutex_set, SIGURG);

	/* setup signal handlers */
	/* I/O - SIGURG, SIGIO are I/O interrupts - highest priority */
	sa.sa_flags = SA_SIGINFO;
	sa.sa_handler = NULL;
	sa.sa_sigaction = cmj_handler;
	sigemptyset(&sa.sa_mask);
	sigaddset(&sa.sa_mask, SIGURG);
	rval = sigaction(SIGIO, &sa, NULL);
	if (rval < 0)
		return errno;

	sigemptyset(&sa.sa_mask);
	sigaddset(&sa.sa_mask, SIGIO);
	rval = sigaction(SIGURG, &sa, NULL);
	if (rval < 0)
		return errno;

	return SS_NORMAL;
}