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glibc  2.9
tst-stdio2.c
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00001 /* Copyright (C) 2002 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <pthread.h>
00021 #include <signal.h>
00022 #include <stdio.h>
00023 #include <stdlib.h>
00024 #include <unistd.h>
00025 
00026 
00027 static void *tf (void *a)
00028 {
00029   puts ("start tf");
00030 
00031   /* Multiple locking, implicitly or explicitly, must be possible.  */
00032   flockfile (stdout);
00033 
00034   puts ("after first flockfile");
00035 
00036   flockfile (stdout);
00037 
00038   puts ("foo");
00039 
00040   funlockfile (stdout);
00041 
00042   puts ("after first funlockfile");
00043 
00044   funlockfile (stdout);
00045 
00046   puts ("all done");
00047 
00048   return a;
00049 }
00050 
00051 
00052 int
00053 do_test (void)
00054 {
00055   pthread_t th;
00056 
00057   if (pthread_create (&th, NULL, tf, NULL) != 0)
00058     {
00059       write (2, "create failed\n", 14);
00060       _exit (1);
00061     }
00062 
00063   void *result;
00064   if (pthread_join (th, &result) != 0)
00065     {
00066       puts ("join failed");
00067       exit (1);
00068     }
00069   else if (result != NULL)
00070     {
00071       printf ("wrong return value: %p, expected %p\n", result, NULL);
00072       exit (1);
00073     }
00074 
00075   puts ("join returned succsefully");
00076 
00077   return 0;
00078 }
00079 
00080 
00081 #define TEST_FUNCTION do_test ()
00082 #include "../test-skeleton.c"