1  /* Copyright (C) 2003-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <pthread.h>
      19  #include <stdio.h>
      20  #include <unistd.h>
      21  #include <sys/types.h>
      22  
      23  
      24  static int global;
      25  
      26  static void *
      27  tf (void *a)
      28  {
      29    global = 1;
      30  
      31    return 0;
      32  }
      33  
      34  
      35  int
      36  do_test (void)
      37  {
      38    pthread_t th;
      39    pthread_attr_t at;
      40  
      41    if (pthread_attr_init (&at) != 0)
      42      {
      43        puts ("attr_init failed");
      44        return 1;
      45      }
      46  
      47    if (pthread_attr_setschedpolicy (&at, SCHED_OTHER) != 0)
      48      {
      49        puts ("attr_setschedpolicy failed");
      50        return 1;
      51      }
      52  
      53    struct sched_param pa;
      54    if (sched_getparam (getpid (), &pa) != 0)
      55      {
      56        puts ("sched_getschedparam failed");
      57        return 1;
      58      }
      59  
      60    if (pthread_attr_setschedparam (&at, &pa) != 0)
      61      {
      62        puts ("attr_setschedparam failed");
      63        return 1;
      64      }
      65  
      66    if (pthread_attr_setinheritsched (&at, PTHREAD_EXPLICIT_SCHED) != 0)
      67      {
      68        puts ("attr_setinheritsched failed");
      69        return 1;
      70      }
      71  
      72    if (pthread_create (&th, &at, tf, NULL) != 0)
      73      {
      74        puts ("create failed");
      75        return 1;
      76      }
      77  
      78    int e = pthread_join (th, NULL);
      79    if (e != 0)
      80      {
      81        printf ("join failed: %d\n", e);
      82        return 1;
      83      }
      84  
      85    if (global == 0)
      86      {
      87        puts ("thread didn't run");
      88        return 1;
      89      }
      90  
      91    return 0;
      92  }
      93  
      94  
      95  #define TEST_FUNCTION do_test ()
      96  #include "../test-skeleton.c"