more cancellation points: tcdrain, clock_nanosleep

2 files changed, 12 insertions, 2 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;
 }
diff --git a/src/time/clock_nanosleep.c b/src/time/clock_nanosleep.c
index c5646de3..ffb9a8af 100644
--- a/src/time/clock_nanosleep.c
+++ b/src/time/clock_nanosleep.c
@@ -1,8 +1,13 @@
 #define SYSCALL_RETURN_ERRNO
 #include <time.h>
 #include "syscall.h"
+#include "libc.h"
 
 int clock_nanosleep(clockid_t clk, int flags, const struct timespec *req, struct timespec *rem)
 {
-	return syscall4(__NR_clock_nanosleep, clk, flags, (long)req, (long)rem);
+	int ret;
+	CANCELPT_BEGIN;
+	ret = syscall4(__NR_clock_nanosleep, clk, flags, (long)req, (long)rem);
+	CANCELPT_END;
+	return ret;
 }