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krdc: do not assume TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT are defined

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fixes build on OpenBSD

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2021-04-25 04:55:16 +03:00
parent 07560af10d
commit 6f2042ecf5
1 changed files with 9 additions and 0 deletions
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9
krdc/vnc/vncclientthread.cpp
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@ -605,23 +605,32 @@ void VncClientThread::clientSetKeepalive()
return;
}
// TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT are introduced in Linux 2.4
// however NetBSD for example also implements the options
#ifdef TCP_KEEPIDLE
optval = m_keepalive.intervalSeconds;
if (setsockopt(cl->sock, IPPROTO_TCP, TCP_KEEPIDLE, &optval, optlen) < 0) {
kError(5011) << "setsockopt(TCP_KEEPIDLE)" << strerror(errno);
return;
}
#endif
#ifdef TCP_KEEPINTVL
optval = m_keepalive.intervalSeconds;
if (setsockopt(cl->sock, IPPROTO_TCP, TCP_KEEPINTVL, &optval, optlen) < 0) {
kError(5011) << "setsockopt(TCP_KEEPINTVL)" << strerror(errno);
return;
}
#endif
#ifdef TCP_KEEPCNT
optval = m_keepalive.failedProbes;
if(setsockopt(cl->sock, IPPROTO_TCP, TCP_KEEPCNT, &optval, optlen) < 0) {
kError(5011) << "setsockopt(TCP_KEEPCNT)" << strerror(errno);
return;
}
#endif
m_keepalive.set = true;
kDebug(5011) << "TCP keepalive set";
}