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nuttx/pty: pass read nonblock flag to pipe

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Signed-off-by: fangzhenwei <fangzhenwei@xiaomi.com>
This commit is contained in:
fangzhenwei
2021-11-09 15:24:41 +08:00
committed by Xiang Xiao
parent 1afdb06981
commit c7c91488d1
1 changed files with 5 additions and 1 deletions
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drivers/serial/pty.c
+5 -1
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@@ -876,7 +876,11 @@ static int pty_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
case FIONBIO: case FIONBIO:
{ {
ret = file_ioctl(&dev->pd_sink, cmd, arg); ret = file_ioctl(&dev->pd_src, cmd, arg);
if (ret >= 0 || ret == -ENOTTY)
{
ret = file_ioctl(&dev->pd_sink, cmd, arg);
}
} }
break; break;