sysdeps/pthread/tst-spin3.c

   1 /* Copyright (C) 2002-2024 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 <signal.h>
  20 #include <stdio.h>
  21 #include <unistd.h>
  22
  23 static int do_test (void);
  24
  25 #define TEST_FUNCTION do_test ()
  26 #include "../test-skeleton.c"
  27
  28 static int
  29 do_test (void)
  30 {
  31   pthread_spinlock_t s;
  32
  33   if (pthread_spin_init (&s, PTHREAD_PROCESS_PRIVATE) != 0)
  34     {
  35       puts ("spin_init failed");
  36       return 1;
  37     }
  38
  39   if (pthread_spin_lock (&s) != 0)
  40     {
  41       puts ("1st spin_lock failed");
  42       return 1;
  43     }
  44
  45   delayed_exit (1);
  46
  47   /* This call should never return.  */
  48   xpthread_spin_lock (&s);
  49
  50   puts ("2nd spin_lock returned");
  51   return 1;
  52 }