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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - kernel/rtmutex-debug.h
2 * RT-Mutexes: blocking mutual exclusion locks with PI support
4 * started by Ingo Molnar and Thomas Gleixner:
6 * Copyright (C) 2004-2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
7 * Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com>
9 * This file contains macros used solely by rtmutex.c. Debug version.
12 #define __IP_DECL__ , unsigned long ip
14 #define __RET_IP__ , (unsigned long)__builtin_return_address(0)
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)
33 static inline int debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter
*waiter
,
36 return (waiter
!= NULL
);