45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*************************************************************************\
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* Copyright (c) 2002 The University of Saskatchewan
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* SPDX-License-Identifier: EPICS
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* EPICS Base is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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\*************************************************************************/
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/*
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* RTEMS utility routines for EPICS
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* Author: W. Eric Norum
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* eric@cls.usask.ca
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* (306) 966-6055
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*
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* Supplies routines that are present in vxWorks but missing in RTEMS.
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*/
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#include <string.h>
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#include <netdb.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/time.h>
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#include <netinet/in.h>
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/*
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* Like connect(), but with an explicit timeout
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*/
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int connectWithTimeout (int sfd,
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struct sockaddr *addr,
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int addrlen,
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struct timeval *timeout)
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{
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struct timeval sv;
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socklen_t svlen = sizeof sv;
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int ret;
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if (!timeout)
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return connect (sfd, addr, addrlen);
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if (getsockopt (sfd, SOL_SOCKET, SO_RCVTIMEO, (char *)&sv, &svlen) < 0)
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return -1;
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if (setsockopt (sfd, SOL_SOCKET, SO_RCVTIMEO, (char *)timeout, sizeof *timeout) < 0)
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return -1;
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ret = connect (sfd, addr, addrlen);
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setsockopt (sfd, SOL_SOCKET, SO_RCVTIMEO, (char *)&sv, sizeof sv);
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return ret;
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}
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