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-rw-r--r--src/termios/tcdrain.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/termios/tcdrain.c b/src/termios/tcdrain.c
index c51dd401..8e889b51 100644
--- a/src/termios/tcdrain.c
+++ b/src/termios/tcdrain.c
@@ -1,7 +1,12 @@
#include <termios.h>
#include <sys/ioctl.h>
+#include "libc.h"
int tcdrain(int fd)
{
- return ioctl(fd, TCSBRK, 1);
+ int ret;
+ CANCELPT_BEGIN;
+ ret = ioctl(fd, TCSBRK, 1);
+ CANCELPT_END;
+ return ret;
}