Mirrors_Framework/nuttx
1
0
Fork 0
mirror of https://github.com/apache/nuttx.git synced 2026-06-06 16:50:55 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

serial: add ioctl TIOCNOTTY

Browse Source 
Change-Id: I14ab1304d6330578423e0775f42faa8e19886fef
Signed-off-by: ligd <liguiding1@xiaomi.com>
This commit is contained in:
ligd
2021-06-17 23:04:04 +08:00
committed by liguiding1
parent 5c7166f9dd
commit 772044bbdf
1 changed files with 17 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/serial/serial.c
+17 -2
View File
@@ -1413,8 +1413,23 @@ static int uart_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
{
/* Save the PID of the recipient of the SIGINT signal. */
dev->pid = (pid_t)arg;
DEBUGASSERT((unsigned long)(dev->pid) == arg);
if ((int)arg < 0 || dev->pid >= 0)
{
ret = -EINVAL;
}
else
{
dev->pid = (pid_t)arg;
DEBUGASSERT((unsigned long)(dev->pid) == arg);
ret = 0;
}
}
break;
case TIOCNOTTY:
{
dev->pid = (pid_t)-1;
ret = 0;
}
break;
#endif