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glibc  2.9
tst-sysconf.c
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00001 /* Copyright (C) 2002, 2003 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 <stdio.h>
00022 #include <unistd.h>
00023 
00024 
00025 static int
00026 do_test (void)
00027 {
00028   puts ("We expect no limits");
00029   /* We have no fixed limit on the number of threads.  Make sure the
00030      headers tell the right story.  */
00031 #ifdef PTHREAD_THREADS_MAX
00032   printf ("Header report maximum number of threads = %lu\n",
00033          (unsigned long int) PTHREAD_THREADS_MAX);
00034   return 1;
00035 #else
00036   long int r = sysconf (_SC_THREAD_THREADS_MAX);
00037   if (r != -1)
00038     {
00039       printf ("sysconf(_SC_THREAD_THREADS_MAX) return %ld\n", r);
00040       return 1;
00041     }
00042 #endif
00043 
00044   return 0;
00045 }
00046 
00047 #define TEST_FUNCTION do_test ()
00048 #include "../test-skeleton.c"