fis-gtm/sr_unix_gnp/cmj_netinit.c

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/****************************************************************
* *
* 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;
}