| Ingo Molnar | e7eebaf | 2006-06-27 02:54:55 -0700 | [diff] [blame^] | 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 | |
| 12 | #define __IP_DECL__ , unsigned long ip |
| 13 | #define __IP__ , ip |
| 14 | #define __RET_IP__ , (unsigned long)__builtin_return_address(0) |
| 15 | |
| 16 | extern void |
| 17 | rt_mutex_deadlock_account_lock(struct rt_mutex *lock, struct task_struct *task); |
| 18 | extern void rt_mutex_deadlock_account_unlock(struct task_struct *task); |
| 19 | extern void debug_rt_mutex_init_waiter(struct rt_mutex_waiter *waiter); |
| 20 | extern void debug_rt_mutex_free_waiter(struct rt_mutex_waiter *waiter); |
| 21 | extern void debug_rt_mutex_init(struct rt_mutex *lock, const char *name); |
| 22 | extern void debug_rt_mutex_lock(struct rt_mutex *lock __IP_DECL__); |
| 23 | extern void debug_rt_mutex_unlock(struct rt_mutex *lock); |
| 24 | extern void debug_rt_mutex_proxy_lock(struct rt_mutex *lock, |
| 25 | struct task_struct *powner __IP_DECL__); |
| 26 | extern void debug_rt_mutex_proxy_unlock(struct rt_mutex *lock); |
| 27 | extern void debug_rt_mutex_deadlock(int detect, struct rt_mutex_waiter *waiter, |
| 28 | struct rt_mutex *lock); |
| 29 | extern void debug_rt_mutex_print_deadlock(struct rt_mutex_waiter *waiter); |
| 30 | # define debug_rt_mutex_reset_waiter(w) \ |
| 31 | do { (w)->deadlock_lock = NULL; } while (0) |
| 32 | |
| 33 | static inline int debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *waiter, |
| 34 | int detect) |
| 35 | { |
| 36 | return (waiter != NULL); |
| 37 | } |