[Cbe-oss-dev] [PATCH 3/10 v2] MARS: task event flag fix bit or check

Kazunori Asayama asayama at sm.sony.co.jp
Fri Aug 29 14:59:35 EST 2008


Yuji Mano wrote:
> This fixes a bug in task event flag when checking the set bits when the mask
> mode is MARS_TASK_EVENT_FLAG_MASK_OR.
> 
> Signed-off-by: Yuji Mano <yuji.mano at am.sony.com>
> Acked-by: Kazunori Asayama <asayama at sm.sony.co.jp>

Acked-by: Kazunori Asayama <asayama at sm.sony.co.jp>

> 
> ---
> v2:
>  - rebased patch
> 
>  src/host/lib/mars_task_event_flag.c |    8 ++++----
>  src/mpu/lib/mars_task_event_flag.c  |    6 +++---
>  2 files changed, 7 insertions(+), 7 deletions(-)
> 
> --- a/src/host/lib/mars_task_event_flag.c
> +++ b/src/host/lib/mars_task_event_flag.c
> @@ -120,7 +120,7 @@ int mars_task_event_flag_set(struct mars
>  		/* check condition based on wait mode */
>  		switch (event_flag->wait_mask_mode[i]) {
>  		case MARS_TASK_EVENT_FLAG_MASK_OR:
> -			if ((bits | event_flag->wait_mask[i]) == 0)
> +			if ((bits & event_flag->wait_mask[i]) == 0)
>  				continue;
>  			break;
>  		case MARS_TASK_EVENT_FLAG_MASK_AND:
> @@ -176,9 +176,9 @@ int mars_task_event_flag_wait(struct mar
>  	/* check condition based on wait mode */
>  	switch (mask_mode) {
>  	case MARS_TASK_EVENT_FLAG_MASK_OR:
> -		while ((event_flag->bits | mask) == 0) {
> +		while ((event_flag->bits & mask) == 0) {
>  			mars_mutex_unlock((struct mars_mutex *)event_flag);
> -			while ((event_flag->bits | mask) == 0)
> +			while ((event_flag->bits & mask) == 0)
>  				sched_yield();
>  			mars_mutex_lock((struct mars_mutex *)event_flag);
>  		}
> @@ -220,7 +220,7 @@ int mars_task_event_flag_try_wait(struct
>  	/* check condition based on wait mode */
>  	switch (mask_mode) {
>  	case MARS_TASK_EVENT_FLAG_MASK_OR:
> -		if ((event_flag->bits | mask) == 0) {
> +		if ((event_flag->bits & mask) == 0) {
>  			mars_mutex_unlock((struct mars_mutex *)event_flag);
>  			return MARS_ERROR_BUSY;
>  		}
> --- a/src/mpu/lib/mars_task_event_flag.c
> +++ b/src/mpu/lib/mars_task_event_flag.c
> @@ -122,7 +122,7 @@ int mars_task_event_flag_set(uint64_t ev
>  		/* check condition based on wait mode */
>  		switch (event_flag.wait_mask_mode[i]) {
>  		case MARS_TASK_EVENT_FLAG_MASK_OR:
> -			if ((bits | event_flag.wait_mask[i]) == 0)
> +			if ((bits & event_flag.wait_mask[i]) == 0)
>  				continue;
>  			break;
>  		case MARS_TASK_EVENT_FLAG_MASK_AND:
> @@ -198,7 +198,7 @@ int mars_task_event_flag_wait(uint64_t e
>  	/* check condition based on wait mode */
>  	switch (mask_mode) {
>  	case MARS_TASK_EVENT_FLAG_MASK_OR:
> -		if ((event_flag.bits | mask) == 0)
> +		if ((event_flag.bits & mask) == 0)
>  			wait = 1;
>  		break;
>  	case MARS_TASK_EVENT_FLAG_MASK_AND:
> @@ -259,7 +259,7 @@ int mars_task_event_flag_try_wait(uint64
>  	/* check condition based on wait mode */
>  	switch (mask_mode) {
>  	case MARS_TASK_EVENT_FLAG_MASK_OR:
> -		if ((event_flag.bits | mask) == 0) {
> +		if ((event_flag.bits & mask) == 0) {
>  			mars_mutex_unlock_put(event_flag_ea,
>  				(struct mars_mutex *)&event_flag);
>  			return MARS_ERROR_BUSY;
> 
> 
> _______________________________________________
> cbe-oss-dev mailing list
> cbe-oss-dev at ozlabs.org
> https://ozlabs.org/mailman/listinfo/cbe-oss-dev
> 
> 
> 


-- 
(ASAYAMA Kazunori
  (asayama at sm.sony.co.jp))
t



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