diff options
| author | Dave Airlie <airlied@linux.ie> | 2005-03-27 07:05:28 +0000 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2005-03-27 07:05:28 +0000 |
| commit | c6161eff86b250f3113791edcc162dc97322c401 (patch) | |
| tree | 7673ad0cfbf80f0ef298fd382d2d58793a400c18 | |
| parent | 385f927692beb395ae3866538b2b0f8f8e436eba (diff) | |
Description: Rather than use custom code in DRM_WAIT_ON() to do exactly
what wait_event_interruptible_timeout() does, use the function and just
change the return values appropriately.
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
| -rw-r--r-- | linux-core/drm_os_linux.h | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/linux-core/drm_os_linux.h b/linux-core/drm_os_linux.h index 1ed1cca4..5d5d6e0e 100644 --- a/linux-core/drm_os_linux.h +++ b/linux-core/drm_os_linux.h @@ -5,6 +5,7 @@ #include <linux/interrupt.h> /* For task queue support */ #include <linux/delay.h> +#include <linux/wait.h> /** File pointer type */ #define DRMFILE struct file * @@ -145,26 +146,12 @@ do { \ #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ do { \ - DECLARE_WAITQUEUE(entry, current); \ - unsigned long end = jiffies + (timeout); \ - add_wait_queue(&(queue), &entry); \ - \ - for (;;) { \ - __set_current_state(TASK_INTERRUPTIBLE); \ - if (condition) \ - break; \ - if (time_after_eq(jiffies, end)) { \ - ret = -EBUSY; \ - break; \ - } \ - schedule_timeout((HZ/100 > 1) ? HZ/100 : 1); \ - if (signal_pending(current)) { \ - ret = -EINTR; \ - break; \ - } \ - } \ - __set_current_state(TASK_RUNNING); \ - remove_wait_queue(&(queue), &entry); \ + long __ret; \ + __ret = wait_event_interruptible_timeout(queue, condition, timeout); \ + if (__ret == 0) \ + ret = -EBUSY; \ + else if (__ret == -ERESTARTSYS) \ + ret = -EINTR; \ } while (0) #define DRM_WAKEUP( queue ) wake_up_interruptible( queue ) |