Update thread test to only test for 'localhost' and local machine name.

src/tools/thread/thread_test.c

@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- *	$PostgreSQL: pgsql/src/tools/thread/thread_test.c,v 1.10 2004/04/04 17:23:54 momjian Exp $
+ *	$PostgreSQL: pgsql/src/tools/thread/thread_test.c,v 1.11 2004/04/05 01:27:58 momjian Exp $
  *
  *	This program tests to see if your standard libc functions use
  *	pthread_setspecific()/pthread_getspecific() to be thread-safe.
@@ -35,6 +35,8 @@
 void func_call_1(void);
 void func_call_2(void);
 
+char myhostname[MAXHOSTNAMELEN];
+
 int errno1_set = 0;
 int errno2_set = 0;
 
@@ -61,6 +63,12 @@ int main(int argc, char *argv[])
 			return 1;
 	}
 
+	if (gethostname(myhostname, MAXHOSTNAMELEN) != 0)
+	{
+			fprintf(stderr, "can not get local hostname, exiting\n");
+			exit(1);
+	}
+
 	printf("\
 Make sure you have added any needed 'THREAD_CPPFLAGS' and 'THREAD_LIBS'\n\
 defines to your template/$port file before compiling this program.\n\n"
@@ -128,8 +136,9 @@ void func_call_1(void) {
 		passwd_p1 = NULL;	/* force thread-safe failure report */
 	}
 
-	hostent_p1 = gethostbyname("www.yahoo.com");
-	p = gethostbyname("www.weather.com");
+	/* threads do this in opposite order */
+	hostent_p1 = gethostbyname(myhostname);
+	p = gethostbyname("localhost");
 	if (hostent_p1 != p)
 	{
 		printf("Your gethostbyname() changes the static memory area between calls\n");
@@ -174,8 +183,9 @@ void func_call_2(void) {
 		passwd_p2 = NULL;	/* force thread-safe failure report */
 	}
 
-	hostent_p2 = gethostbyname("www.google.com");
-	p = gethostbyname("www.postgresql.org");
+	/* threads do this in opposite order */
+	hostent_p2 = gethostbyname("localhost");
+	p = gethostbyname(myhostname);
 	if (hostent_p2 != p)
 	{
 		printf("Your gethostbyname() changes the static memory area between calls\n");