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Change the built-in default socket directory to be /var/run/postgresql.
For backwards compatibility with (probably non-libpq-based) clients that
might still expect to find the socket in /tmp, also create a socket in
/tmp. This is to resolve communication problems with clients operating
under systemd's PrivateTmp environment, which won't be using the same
global /tmp directory as the server; see bug #825448.
Note that we apply the socket directory change at the level of the
hard-wired defaults in the C code, not by just twiddling the setting in
postgresql.conf.sample; this is so that the change will take effect on
server package update, without requiring any existing postgresql.conf
to be updated. (Of course, a user who dislikes this behavior can still
override it via postgresql.conf.)
--- src/backend/utils/misc/guc.c.old 2016-09-28 23:52:17.410314055 +0300
+++ src/backend/utils/misc/guc.c 2016-09-28 23:53:01.735921591 +0300
@@ -3353,7 +3353,7 @@
},
&Unix_socket_directories,
#ifdef HAVE_UNIX_SOCKETS
- DEFAULT_PGSOCKET_DIR,
+ DEFAULT_PGSOCKET_DIR ", /tmp",
#else
"",
#endif
--- src/bin/initdb/initdb.c.old 2016-09-28 23:53:22.081741447 +0300
+++ src/bin/initdb/initdb.c 2016-09-28 23:53:42.546560249 +0300
@@ -1221,7 +1221,7 @@
#ifdef HAVE_UNIX_SOCKETS
snprintf(repltok, sizeof(repltok), "#unix_socket_directories = '%s'",
- DEFAULT_PGSOCKET_DIR);
+ DEFAULT_PGSOCKET_DIR ", /tmp");
#else
snprintf(repltok, sizeof(repltok), "#unix_socket_directories = ''");
#endif
--- src/include/pg_config_manual.h.old 2016-09-28 23:54:02.615382558 +0300
+++ src/include/pg_config_manual.h 2016-09-28 23:54:22.287208381 +0300
@@ -164,7 +164,7 @@
* here's where to twiddle it. You can also override this at runtime
* with the postmaster's -k switch.
*/
-#define DEFAULT_PGSOCKET_DIR "/tmp"
+#define DEFAULT_PGSOCKET_DIR "/var/run/postgresql"
/*
* This is the default event source for Windows event log.
|