nptl/tst-sched1.c

   1 /* Copyright (C) 2003 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <pthread.h>
  21 #include <stdio.h>
  22 #include <unistd.h>
  23 #include <sys/types.h>
  24
  25
  26 static int global;
  27
  28 static void *
  29 tf (void *a)
  30 {
  31   global = 1;
  32
  33   return 0;
  34 }
  35
  36
  37 int
  38 do_test (void)
  39 {
  40   pthread_t th;
  41   pthread_attr_t at;
  42
  43   if (pthread_attr_init (&at) != 0)
  44     {
  45       puts ("attr_init failed");
  46       return 1;
  47     }
  48
  49   if (pthread_attr_setschedpolicy (&at, SCHED_OTHER) != 0)
  50     {
  51       puts ("attr_setschedpolicy failed");
  52       return 1;
  53     }
  54
  55   struct sched_param pa;
  56   if (sched_getparam (getpid (), &pa) != 0)
  57     {
  58       puts ("sched_getschedparam failed");
  59       return 1;
  60     }
  61
  62   if (pthread_attr_setschedparam (&at, &pa) != 0)
  63     {
  64       puts ("attr_setschedparam failed");
  65       return 1;
  66     }
  67
  68   if (pthread_attr_setinheritsched (&at, PTHREAD_EXPLICIT_SCHED) != 0)
  69     {
  70       puts ("attr_setinheritsched failed");
  71       return 1;
  72     }
  73
  74   if (pthread_create (&th, &at, tf, NULL) != 0)
  75     {
  76       puts ("create failed");
  77       return 1;
  78     }
  79
  80   int e = pthread_join (th, NULL);
  81   if (e != 0)
  82     {
  83       printf ("join failed: %d\n", e);
  84       return 1;
  85     }
  86
  87   if (global == 0)
  88     {
  89       puts ("thread didn't run");
  90       return 1;
  91     }
  92
  93   return 0;
  94 }
  95
  96
  97 #define TEST_FUNCTION do_test ()
  98 #include "../test-skeleton.c"