sysdeps/pthread/tst-join4.c

   1 /* Copyright (C) 2003-2022 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 <errno.h>
  19 #include <pthread.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22
  23
  24 static pthread_barrier_t bar;
  25
  26
  27 static void *
  28 tf (void *arg)
  29 {
  30   if (pthread_barrier_wait (&bar) != 0)
  31     {
  32       puts ("tf: barrier_wait failed");
  33       exit (1);
  34     }
  35
  36   return (void *) 1l;
  37 }
  38
  39
  40 static int
  41 do_test (void)
  42 {
  43   if (pthread_barrier_init (&bar, NULL, 3) != 0)
  44     {
  45       puts ("barrier_init failed");
  46       exit (1);
  47     }
  48
  49   pthread_attr_t a;
  50
  51   if (pthread_attr_init (&a) != 0)
  52     {
  53       puts ("attr_init failed");
  54       exit (1);
  55     }
  56
  57   if (pthread_attr_setstacksize (&a, 1 * 1024 * 1024) != 0)
  58     {
  59       puts ("attr_setstacksize failed");
  60       return 1;
  61     }
  62
  63   pthread_t th[2];
  64
  65   if (pthread_create (&th[0], &a, tf, NULL) != 0)
  66     {
  67       puts ("1st create failed");
  68       exit (1);
  69     }
  70
  71   if (pthread_attr_setdetachstate (&a, PTHREAD_CREATE_DETACHED) != 0)
  72     {
  73       puts ("attr_setdetachstate failed");
  74       exit (1);
  75     }
  76
  77   if (pthread_create (&th[1], &a, tf, NULL) != 0)
  78     {
  79       puts ("1st create failed");
  80       exit (1);
  81     }
  82
  83   if (pthread_attr_destroy (&a) != 0)
  84     {
  85       puts ("attr_destroy failed");
  86       exit (1);
  87     }
  88
  89   if (pthread_detach (th[0]) != 0)
  90     {
  91       puts ("could not detach 1st thread");
  92       exit (1);
  93     }
  94
  95   int err = pthread_detach (th[0]);
  96   if (err == 0)
  97     {
  98       puts ("second detach of 1st thread succeeded");
  99       exit (1);
 100     }
 101   if (err != EINVAL)
 102     {
 103       printf ("second detach of 1st thread returned %d, not EINVAL\n", err);
 104       exit (1);
 105     }
 106
 107   err = pthread_detach (th[1]);
 108   if (err == 0)
 109     {
 110       puts ("detach of 2nd thread succeeded");
 111       exit (1);
 112     }
 113   if (err != EINVAL)
 114     {
 115       printf ("detach of 2nd thread returned %d, not EINVAL\n", err);
 116       exit (1);
 117     }
 118
 119   exit (0);
 120 }
 121
 122 #define TEST_FUNCTION do_test ()
 123 #include "../test-skeleton.c"