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glibc  2.9
tst-basic5.c
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00001 /* Copyright (C) 2003 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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 <errno.h>
00021 #include <pthread.h>
00022 #include <stdio.h>
00023 #include <stdlib.h>
00024 
00025 
00026 
00027 int
00028 do_test (void)
00029 {
00030   int c = pthread_getconcurrency ();
00031   if (c != 0)
00032     {
00033       puts ("initial concurrencylevel wrong");
00034       exit (1);
00035     }
00036 
00037   if (pthread_setconcurrency (1) != 0)
00038     {
00039       puts ("setconcurrency failed");
00040       exit (1);
00041     }
00042 
00043   c = pthread_getconcurrency ();
00044   if (c != 1)
00045     {
00046       puts ("getconcurrency didn't return the value previous set");
00047       exit (1);
00048     }
00049 
00050   int e = pthread_setconcurrency (-1);
00051   if (e == 0)
00052     {
00053       puts ("setconcurrency of negative value didn't failed");
00054       exit (1);
00055     }
00056   if (e != EINVAL)
00057     {
00058       puts ("setconcurrency didn't return EINVAL for negative value");
00059       exit (1);
00060     }
00061 
00062   c = pthread_getconcurrency ();
00063   if (c != 1)
00064     {
00065       puts ("invalid getconcurrency changed level");
00066       exit (1);
00067     }
00068 
00069   return 0;
00070 }
00071 
00072 
00073 #define TEST_FUNCTION do_test ()
00074 #include "../test-skeleton.c"