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On win32, don't use SO_REUSEADDR for TCP sockets.

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Per failure on buildfarm member baiji and subsequent discussion.
This commit is contained in:
Magnus Hagander 2007-06-04 11:59:20 +00:00
parent 9539e64bc0
commit 0e92f9813e
1 changed files with 12 additions and 1 deletions
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13
src/backend/libpq/pqcomm.c
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@ -30,7 +30,7 @@
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/backend/libpq/pqcomm.c,v 1.191 2007/03/03 19:32:54 neilc Exp $
* $PostgreSQL: pgsql/src/backend/libpq/pqcomm.c,v 1.192 2007/06/04 11:59:20 mha Exp $
*
*-------------------------------------------------------------------------
*/
@ -337,6 +337,16 @@ StreamServerPort(int family, char *hostName, unsigned short portNumber,
continue;
}
#ifndef WIN32
/*
* Without the SO_REUSEADDR flag, a new postmaster can't be started right away after
* a stop or crash, giving "address already in use" error on TCP ports.
*
* On win32, however, this behavior only happens if the SO_EXLUSIVEADDRUSE is set.
* With SO_REUSEADDR, win32 allows multiple servers to listen on the same address,
* resulting in unpredictable behavior. With no flags at all, win32 behaves as
* Unix with SO_REUSEADDR.
*/
if (!IS_AF_UNIX(addr->ai_family))
{
if ((setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
@ -349,6 +359,7 @@ StreamServerPort(int family, char *hostName, unsigned short portNumber,
continue;
}
}
#endif
#ifdef IPV6_V6ONLY
if (addr->ai_family == AF_INET6)