[PATCH] add schedule_timeout_{,un}interruptible() interfaces
authorNishanth Aravamudan <nacc@us.ibm.com>
Sat, 10 Sep 2005 07:27:21 +0000 (00:27 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Sat, 10 Sep 2005 17:06:36 +0000 (10:06 -0700)
Add schedule_timeout_{,un}interruptible() interfaces so that
schedule_timeout() callers don't have to worry about forgetting to add the
set_current_state() call beforehand.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
include/linux/sched.h
kernel/timer.c

index ac70f845b5b1d03d80c115bde4da3291485dfaad..4b83cb230006afe05271c0143c2b86dbb40c0ebc 100644 (file)
@@ -203,6 +203,8 @@ extern int in_sched_functions(unsigned long addr);
 
 #define        MAX_SCHEDULE_TIMEOUT    LONG_MAX
 extern signed long FASTCALL(schedule_timeout(signed long timeout));
 
 #define        MAX_SCHEDULE_TIMEOUT    LONG_MAX
 extern signed long FASTCALL(schedule_timeout(signed long timeout));
+extern signed long schedule_timeout_interruptible(signed long timeout);
+extern signed long schedule_timeout_uninterruptible(signed long timeout);
 asmlinkage void schedule(void);
 
 struct namespace;
 asmlinkage void schedule(void);
 
 struct namespace;
index 13e2b513be019bf0b8b6b9218e4f268fff95f58a..a0b716d62701d99db4bbfa1fc621f68cff53f6ca 100644 (file)
@@ -1154,6 +1154,20 @@ fastcall signed long __sched schedule_timeout(signed long timeout)
 
 EXPORT_SYMBOL(schedule_timeout);
 
 
 EXPORT_SYMBOL(schedule_timeout);
 
+signed long __sched schedule_timeout_interruptible(signed long timeout)
+{
+       set_current_state(TASK_INTERRUPTIBLE);
+       return schedule_timeout(timeout);
+}
+EXPORT_SYMBOL(schedule_timeout_interruptible);
+
+signed long __sched schedule_timeout_uninterruptible(signed long timeout)
+{
+       set_current_state(TASK_UNINTERRUPTIBLE);
+       return schedule_timeout(timeout);
+}
+EXPORT_SYMBOL(schedule_timeout_uninterruptible);
+
 /* Thread ID - the internal kernel "pid" */
 asmlinkage long sys_gettid(void)
 {
 /* Thread ID - the internal kernel "pid" */
 asmlinkage long sys_gettid(void)
 {