1  /* Measure spin_trylock for different threads and critical sections.
       2     Copyright (C) 2022-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       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, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #define LOCK(lock)                                                            \
      20    while (pthread_spin_lock (lock) != 0)                                       \
      21      {                                                                         \
      22        non_critical_section (non_crt_len);                                     \
      23      }
      24  #define UNLOCK(lock) pthread_spin_unlock (lock)
      25  #define LOCK_INIT(lock, attr) pthread_spin_init (lock, *(attr))
      26  #define LOCK_DESTROY(lock) pthread_spin_destroy (lock)
      27  #define LOCK_ATTR_INIT(attr) *(attr) = 0
      28  
      29  #define bench_lock_t pthread_spinlock_t
      30  #define bench_lock_attr_t int
      31  
      32  #define TEST_NAME "pthread-spin-trylock"
      33  
      34  #include "bench-pthread-lock-base.c"