syslog/ramlog.c:Syslog add BIOC_FLUSH supports clearing log cache

Signed-off-by: yuanyongjian <yuanyongjian@xiaomi.com>
2023-12-13 21:06:24 +08:00 · 2023-12-13 21:06:24 +08:00 · 9483729328
parent a0813b808f
commit 9483729328
1 changed files with 3 additions and 0 deletions
--- a/drivers/syslog/ramlog.c
+++ b/drivers/syslog/ramlog.c
@ -487,6 +487,9 @@ static int ramlog_file_ioctl(FAR struct file *filep, int cmd,
      case PIPEIOC_POLLINTHRD:
        upriv->rl_threashold = (uint32_t)arg;
        break;
+      case BIOC_FLUSH:
+        priv->rl_header->rl_head = 0;
+        break;
      default:
        ret = -ENOTTY;
        break;