Discussion about Linux on laptops

Nishanth Aravamudan | 2 May 2005 08:18

[PATCH] i386/apm: use wait_event_interruptible_timeout()

Use wait_event_interruptible_timeout() instead of custom wait-queue.

Signed-off-by: Nishanth Aravamudan <nacc <at> us.ibm.com>

--- 2.6.12-rc3/arch/i386/kernel/apm.c	2005-04-29 11:03:03.000000000 -0700
+++ 2.6.12-rc3-dev/arch/i386/kernel/apm.c	2005-05-01 19:02:48.000000000 -0700
 <at>  <at>  -224,6 +224,7  <at>  <at> 
 #include <linux/smp_lock.h>
 #include <linux/dmi.h>
 #include <linux/suspend.h>
+#include <linux/wait.h>

 #include <asm/system.h>
 #include <asm/uaccess.h>
 <at>  <at>  -1418,22 +1419,15  <at>  <at>  static void apm_event_handler(void)

 static void apm_mainloop(void)
 {
-	DECLARE_WAITQUEUE(wait, current);
-
-	add_wait_queue(&apm_waitqueue, &wait);
-	set_current_state(TASK_INTERRUPTIBLE);
-	for (;;) {
-		schedule_timeout(APM_CHECK_TIMEOUT);
-		if (exit_kapmd)
-			break;
+	do {
+		wait_event_interruptible_timeout(apm_waitqueue,
+				exit_kapmd, APM_CHECK_TIMEOUT);
 		/*

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headers

Nishanth Aravamudan | 3 May 2005 23:40

Re: [KJ] [PATCH] i386/apm: use wait_event_interruptible_timeout()

On 01.05.2005 [23:18:24 -0700], Nishanth Aravamudan wrote:
> Use wait_event_interruptible_timeout() instead of custom wait-queue.
> 
> 
> Signed-off-by: Nishanth Aravamudan <nacc <at> us.ibm.com>
> 
> --- 2.6.12-rc3/arch/i386/kernel/apm.c	2005-04-29 11:03:03.000000000 -0700
> +++ 2.6.12-rc3-dev/arch/i386/kernel/apm.c	2005-05-01 19:02:48.000000000 -0700
>  <at>  <at>  -224,6 +224,7  <at>  <at> 
>  #include <linux/smp_lock.h>
>  #include <linux/dmi.h>
>  #include <linux/suspend.h>
> +#include <linux/wait.h>
>  
>  #include <asm/system.h>
>  #include <asm/uaccess.h>
>  <at>  <at>  -1418,22 +1419,15  <at>  <at>  static void apm_event_handler(void)
>  
>  static void apm_mainloop(void)
>  {
> -	DECLARE_WAITQUEUE(wait, current);
> -
> -	add_wait_queue(&apm_waitqueue, &wait);
> -	set_current_state(TASK_INTERRUPTIBLE);
> -	for (;;) {
> -		schedule_timeout(APM_CHECK_TIMEOUT);
> -		if (exit_kapmd)
> -			break;
> +	do {
> +		wait_event_interruptible_timeout(apm_waitqueue,

(Continue reading)

headers

Nishanth Aravamudan | 3 May 2005 23:40

Re: [KJ] [PATCH] i386/apm: use wait_event_interruptible_timeout()

On 01.05.2005 [23:18:24 -0700], Nishanth Aravamudan wrote:
> Use wait_event_interruptible_timeout() instead of custom wait-queue.
> 
> 
> Signed-off-by: Nishanth Aravamudan <nacc <at> us.ibm.com>
> 
> --- 2.6.12-rc3/arch/i386/kernel/apm.c	2005-04-29 11:03:03.000000000 -0700
> +++ 2.6.12-rc3-dev/arch/i386/kernel/apm.c	2005-05-01 19:02:48.000000000 -0700
>  <at>  <at>  -224,6 +224,7  <at>  <at> 
>  #include <linux/smp_lock.h>
>  #include <linux/dmi.h>
>  #include <linux/suspend.h>
> +#include <linux/wait.h>
>  
>  #include <asm/system.h>
>  #include <asm/uaccess.h>
>  <at>  <at>  -1418,22 +1419,15  <at>  <at>  static void apm_event_handler(void)
>  
>  static void apm_mainloop(void)
>  {
> -	DECLARE_WAITQUEUE(wait, current);
> -
> -	add_wait_queue(&apm_waitqueue, &wait);
> -	set_current_state(TASK_INTERRUPTIBLE);
> -	for (;;) {
> -		schedule_timeout(APM_CHECK_TIMEOUT);
> -		if (exit_kapmd)
> -			break;
> +	do {
> +		wait_event_interruptible_timeout(apm_waitqueue,

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