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Commit 64ed93a2 authored by Nishanth Aravamudan's avatar Nishanth Aravamudan Committed by Linus Torvalds
Browse files

[PATCH] add schedule_timeout_{,un}interruptible() interfaces 



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: default avatarNishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 672289e9

include/linux/sched.h

+2 −0
Original line number Diff line number Diff line
@@ -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));

extern signed long schedule_timeout_interruptible(signed long timeout);

extern signed long schedule_timeout_uninterruptible(signed long timeout);

asmlinkage void schedule(void);



struct namespace;

kernel/timer.c

+14 −0
Original line number Diff line number Diff line
@@ -1154,6 +1154,20 @@ fastcall signed long __sched schedule_timeout(signed long 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)

{