diff options
| author | Ingo Molnar <mingo@elte.hu> | 2006-06-27 02:54:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-27 17:32:47 -0700 |
| commit | 23f78d4a03c53cbd75d87a795378ea540aa08c86 (patch) | |
| tree | 27dfe06337990911380fe8c5949ae9acd8e9568a /include/linux/sched.h | |
| parent | b29739f902ee76a05493fb7d2303490fc75364f4 (diff) | |
| download | lwn-23f78d4a03c53cbd75d87a795378ea540aa08c86.tar.gz lwn-23f78d4a03c53cbd75d87a795378ea540aa08c86.zip | |
[PATCH] pi-futex: rt mutex core
Core functions for the rt-mutex subsystem.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 6f167645e7e2..6ea23c9af413 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -73,6 +73,7 @@ struct sched_param { #include <linux/seccomp.h> #include <linux/rcupdate.h> #include <linux/futex.h> +#include <linux/rtmutex.h> #include <linux/time.h> #include <linux/param.h> @@ -858,6 +859,17 @@ struct task_struct { /* Protection of the PI data structures: */ spinlock_t pi_lock; +#ifdef CONFIG_RT_MUTEXES + /* PI waiters blocked on a rt_mutex held by this task */ + struct plist_head pi_waiters; + /* Deadlock detection and priority inheritance handling */ + struct rt_mutex_waiter *pi_blocked_on; +# ifdef CONFIG_DEBUG_RT_MUTEXES + spinlock_t held_list_lock; + struct list_head held_list_head; +# endif +#endif + #ifdef CONFIG_DEBUG_MUTEXES /* mutex deadlock detection */ struct mutex_waiter *blocked_on; |