diff options
| -rw-r--r-- | src/backend/libpq/pqcomm.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/backend/libpq/pqcomm.c b/src/backend/libpq/pqcomm.c index d9439e7fd90..ee590be1dd8 100644 --- a/src/backend/libpq/pqcomm.c +++ b/src/backend/libpq/pqcomm.c @@ -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) |