rtmutex.h 1.2 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /*
  3. * RT-Mutexes: blocking mutual exclusion locks with PI support
  4. *
  5. * started by Ingo Molnar and Thomas Gleixner:
  6. *
  7. * Copyright (C) 2004-2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
  8. * Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com>
  9. *
  10. * This file contains macros used solely by rtmutex.c.
  11. * Non-debug version.
  12. */
  13. #define rt_mutex_deadlock_check(l) (0)
  14. #define debug_rt_mutex_init_waiter(w) do { } while (0)
  15. #define debug_rt_mutex_free_waiter(w) do { } while (0)
  16. #define debug_rt_mutex_lock(l) do { } while (0)
  17. #define debug_rt_mutex_proxy_lock(l,p) do { } while (0)
  18. #define debug_rt_mutex_proxy_unlock(l) do { } while (0)
  19. #define debug_rt_mutex_unlock(l) do { } while (0)
  20. #define debug_rt_mutex_init(m, n, k) do { } while (0)
  21. #define debug_rt_mutex_deadlock(d, a ,l) do { } while (0)
  22. #define debug_rt_mutex_print_deadlock(w) do { } while (0)
  23. #define debug_rt_mutex_reset_waiter(w) do { } while (0)
  24. static inline void rt_mutex_print_deadlock(struct rt_mutex_waiter *w)
  25. {
  26. WARN(1, "rtmutex deadlock detected\n");
  27. }
  28. static inline bool debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *w,
  29. enum rtmutex_chainwalk walk)
  30. {
  31. return walk == RT_MUTEX_FULL_CHAINWALK;
  32. }