On Wed, 2006-09-27 at 14:26 -0700, Jeff Davis wrote:
> When I have "unix_socket_directory" set to an alternate value, "pg_ctl -
> D data -w start" times out. If I set it to default, it works fine.
>
> I'm using postgresql 8.1.4 on FreeBSD.
>
> Perhaps pg_ctl is waiting to see the socket file in /tmp/ before
> reporting that postgresql successfully started?
>
I took a look at the source quickly (as usual, the postgres source is so
easy to read I should have looked before I posted) and I found that the
problem seems to be in test_postmaster_connection() in pg_ctl.c.
The function checks for a non-default port, including scanning the
configuration file, but does not look for a non-default socket
directory.
It seems reasonable to add a check to find the real socket directory
before trying the connection.
I have attached a patch. I wrote it very quickly, but it seems to work
as I expect.
Regards,
Jeff Davis
diff -ru pgsql.orig/src/bin/pg_ctl/pg_ctl.c pgsql/src/bin/pg_ctl/pg_ctl.c
--- pgsql.orig/src/bin/pg_ctl/pg_ctl.c 2006-09-27 14:57:20.000000000 -0700
+++ pgsql/src/bin/pg_ctl/pg_ctl.c 2006-09-27 14:58:02.000000000 -0700
@@ -387,9 +387,13 @@
bool success = false;
int i;
char portstr[32];
+ char sockdirstr[256];
+ char *loginhost;
char *p;
*portstr = '\0';
+ *sockdirstr = '\0';
+ loginhost = NULL;
/* post_opts */
for (p = post_opts; *p;)
@@ -443,6 +447,37 @@
}
}
}
+ if (!*sockdirstr)
+ {
+ char **optlines;
+
+ optlines = readfile(conf_file);
+ if (optlines != NULL)
+ {
+ for (; *optlines != NULL; optlines++)
+ {
+ p = *optlines;
+
+ while (isspace((unsigned char) *p))
+ p++;
+ if (strncmp(p, "unix_socket_directory", strlen("unix_socket_directory")) != 0)
+ continue;
+ p += strlen("unix_socket_directory");
+ while (isspace((unsigned char) *p))
+ p++;
+ if (*p != '=')
+ continue;
+ p++;
+ while (isspace((unsigned char) *p))
+ p++;
+ p++; /* skip first single quote */
+ StrNCpy(sockdirstr, p, Min(strcspn(p, "'") + 1,
+ sizeof(sockdirstr)));
+ /* keep looking, maybe there is another */
+ }
+ }
+ loginhost = sockdirstr;
+ }
/* environment */
if (!*portstr && getenv("PGPORT") != NULL)
@@ -454,7 +489,7 @@
for (i = 0; i < wait_seconds; i++)
{
- if ((conn = PQsetdbLogin(NULL, portstr, NULL, NULL,
+ if ((conn = PQsetdbLogin(loginhost, portstr, NULL, NULL,
"postgres", NULL, NULL)) != NULL &&
(PQstatus(conn) == CONNECTION_OK ||
(strcmp(PQerrorMessage(conn),
Only in pgsql/src/bin/pg_ctl: pg_ctl.c.orig
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