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authorIngo Molnar <mingo@elte.hu>2006-06-27 02:54:53 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-27 17:32:47 -0700
commit23f78d4a03c53cbd75d87a795378ea540aa08c86 (patch)
tree27dfe06337990911380fe8c5949ae9acd8e9568a /include/linux/sched.h
parentb29739f902ee76a05493fb7d2303490fc75364f4 (diff)
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op-kernel-dev-23f78d4a03c53cbd75d87a795378ea540aa08c86.tar.gz
[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.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 6f16764..6ea23c9 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;
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