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[PATCH] sem2mutex: kernel/

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Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Arjan van de Ven 2006-03-23 03:00:24 -08:00 • committed by Linus Torvalds
parent e723ccd805
commit 97d1f15b7e
6 changed files with 36 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

7
kernel/kthread.c
View file

@ -12,6 +12,7 @@
#include <linux/unistd.h>
#include <linux/file.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <asm/semaphore.h>
/*
@ -41,7 +42,7 @@ struct kthread_stop_info
/* Thread stopping is done by setthing this var: lock serializes
* multiple kthread_stop calls. */
static DECLARE_MUTEX(kthread_stop_lock);
static DEFINE_MUTEX(kthread_stop_lock);
static struct kthread_stop_info kthread_stop_info;
int kthread_should_stop(void)
@ -173,7 +174,7 @@ int kthread_stop_sem(struct task_struct *k, struct semaphore *s)
{
int ret;
down(&kthread_stop_lock);
mutex_lock(&kthread_stop_lock);
/* It could exit after stop_info.k set, but before wake_up_process. */
get_task_struct(k);
@ -194,7 +195,7 @@ int kthread_stop_sem(struct task_struct *k, struct semaphore *s)
wait_for_completion(&kthread_stop_info.done);
kthread_stop_info.k = NULL;
ret = kthread_stop_info.err;
up(&kthread_stop_lock);
mutex_unlock(&kthread_stop_lock);
return ret;
}