rtmutex-debug.h 1.4 KB

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  1. /*
  2. * RT-Mutexes: blocking mutual exclusion locks with PI support
  3. *
  4. * started by Ingo Molnar and Thomas Gleixner:
  5. *
  6. * Copyright (C) 2004-2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
  7. * Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com>
  8. *
  9. * This file contains macros used solely by rtmutex.c. Debug version.
  10. */
  11. extern void
  12. rt_mutex_deadlock_account_lock(struct rt_mutex *lock, struct task_struct *task);
  13. extern void rt_mutex_deadlock_account_unlock(struct task_struct *task);
  14. extern void debug_rt_mutex_init_waiter(struct rt_mutex_waiter *waiter);
  15. extern void debug_rt_mutex_free_waiter(struct rt_mutex_waiter *waiter);
  16. extern void debug_rt_mutex_init(struct rt_mutex *lock, const char *name);
  17. extern void debug_rt_mutex_lock(struct rt_mutex *lock);
  18. extern void debug_rt_mutex_unlock(struct rt_mutex *lock);
  19. extern void debug_rt_mutex_proxy_lock(struct rt_mutex *lock,
  20. struct task_struct *powner);
  21. extern void debug_rt_mutex_proxy_unlock(struct rt_mutex *lock);
  22. extern void debug_rt_mutex_deadlock(int detect, struct rt_mutex_waiter *waiter,
  23. struct rt_mutex *lock);
  24. extern void debug_rt_mutex_print_deadlock(struct rt_mutex_waiter *waiter);
  25. # define debug_rt_mutex_reset_waiter(w) \
  26. do { (w)->deadlock_lock = NULL; } while (0)
  27. static inline int debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *waiter,
  28. int detect)
  29. {
  30. return (waiter != NULL);
  31. }