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

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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>
This commit is contained in:
Nishanth Aravamudan 2005-09-10 00:27:21 -07:00 committed by Linus Torvalds
parent 672289e9fa
commit 64ed93a268
2 changed files with 16 additions and 0 deletions
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2
include/linux/sched.h
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@ -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;

14
kernel/timer.c
View file

@ -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)
{