66 * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
77 * Portions Copyright (c) 1994, Regents of the University of California
88 *
9- *$PostgreSQL: pgsql/src/tools/thread/thread_test.c,v 1.7 2004/02/11 21:44:06 momjian Exp $
9+ *$PostgreSQL: pgsql/src/tools/thread/thread_test.c,v 1.8 2004/03/27 23:02:44 momjian Exp $
1010 *
1111 *This program tests to see if your standard libc functions use
1212 *pthread_setspecific()/pthread_getspecific() to be thread-safe.
2929#include <pwd.h>
3030#include <string.h>
3131#include <errno.h>
32+ #include <fcntl.h>
33+ #include <errno.h>
3234
3335void func_call_1 (void );
3436void func_call_2 (void );
3537
38+ int errno1_set = 0 ;
39+ int errno2_set = 0 ;
40+
3641char * strerror_p1 ;
3742char * strerror_p2 ;
3843
@@ -42,6 +47,9 @@ struct passwd *passwd_p2;
4247struct hostent * hostent_p1 ;
4348struct hostent * hostent_p2 ;
4449
50+ pthread_mutex_t singlethread_lock1 = PTHREAD_MUTEX_INITIALIZER ;
51+ pthread_mutex_t singlethread_lock2 = PTHREAD_MUTEX_INITIALIZER ;
52+
4553int main (int argc ,char * argv [])
4654{
4755pthread_t thread1 ,
@@ -84,7 +92,30 @@ defines to your template/$port file before compiling this program.\n\n"
8492
8593void func_call_1 (void ) {
8694void * p ;
87-
95+
96+ if (open ("/tmp/thread_test.1" ,O_RDWR |O_CREAT ,0600 )< 0 )
97+ {
98+ fprintf (stderr ,"Could not create file in /tmp, exiting\n" );
99+ exit (1 );
100+ }
101+
102+ if (open ("/tmp/thread_test.1" ,O_RDWR |O_CREAT |O_EXCL ,0600 ) >=0 )
103+ {
104+ fprintf (stderr ,"Could not generate failure for create file in /tmp, exiting\n" );
105+ exit (1 );
106+ }
107+ /* wait for other thread to set errno */
108+ errno1_set = 1 ;
109+ while (errno2_set == 0 )
110+ /* loop */ ;
111+ if (errno != EEXIST )
112+ {
113+ fprintf (stderr ,"errno not thread-safe; exiting\n" );
114+ unlink ("/tmp/thread_test.1" );
115+ exit (1 );
116+ }
117+ unlink ("/tmp/thread_test.1" );
118+
88119strerror_p1 = strerror (EACCES );
89120/*
90121 *If strerror() uses sys_errlist, the pointer might change for different
@@ -112,6 +143,23 @@ void func_call_1(void) {
112143void func_call_2 (void ) {
113144void * p ;
114145
146+ unlink ("/tmp/thread_test.2" );
147+ if (open ("/tmp/thread_test.2" ,O_RDONLY ,0600 ) >=0 )
148+ {
149+ fprintf (stderr ,"Read-only open succeeded without create, exiting\n" );
150+ exit (1 );
151+ }
152+ /* wait for other thread to set errno */
153+ errno2_set = 1 ;
154+ while (errno1_set == 0 )
155+ /* loop */ ;
156+ if (errno != ENOENT )
157+ {
158+ fprintf (stderr ,"errno not thread-safe; exiting\n" );
159+ unlink ("/tmp/thread_test.A" );
160+ exit (1 );
161+ }
162+
115163strerror_p2 = strerror (EINVAL );
116164/*
117165 *If strerror() uses sys_errlist, the pointer might change for different