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[#LIBZMQ-446] Silence error on setting PGM_TOS due to some platforms raising an error at runtime. Noted are RHEL 4.

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This commit is contained in:
Steven McCoy 2013-04-12 23:44:04 -04:00
parent a436d14547
commit 521ed91289
1 changed files with 4 additions and 3 deletions
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7
src/pgm_socket.cpp
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@ -338,10 +338,11 @@ int zmq::pgm_socket_t::init (bool udp_encapsulation_, const char *network_)
goto err_abort;
// Expedited Forwarding PHB for network elements, no ECN.
// Ignore return value due to varied runtime support.
const int dscp = 0x2e << 2;
if (AF_INET6 != sa_family && !pgm_setsockopt (sock,
IPPROTO_PGM, PGM_TOS, &dscp, sizeof (dscp)))
goto err_abort;
if (AF_INET6 != sa_family)
pgm_setsockopt (sock, IPPROTO_PGM, PGM_TOS,
&dscp, sizeof (dscp));
const int nonblocking = 1;
if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_NOBLOCK,