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-rw-r--r--libc/termios/tcdrain.c27
1 files changed, 22 insertions, 5 deletions
diff --git a/libc/termios/tcdrain.c b/libc/termios/tcdrain.c
index ad94803ff..e0f423138 100644
--- a/libc/termios/tcdrain.c
+++ b/libc/termios/tcdrain.c
@@ -19,14 +19,31 @@
#include <errno.h>
#include <termios.h>
#include <sys/ioctl.h>
-
-#ifdef __LINUXTHREADS_OLD__
-extern __typeof(tcdrain) weak_function tcdrain;
-strong_alias(tcdrain,__libc_tcdrain)
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+#include <sysdep-cancel.h>
#endif
+libc_hidden_proto(ioctl)
+
+extern __typeof(tcdrain) __libc_tcdrain;
/* Wait for pending output to be written on FD. */
-int tcdrain(int fd)
+int __libc_tcdrain (int fd)
{
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ if (SINGLE_THREAD_P)
+ /* With an argument of 1, TCSBRK for output to be drain. */
+ return INLINE_SYSCALL (ioctl, 3, fd, TCSBRK, 1);
+
+ int oldtype = LIBC_CANCEL_ASYNC ();
+
+ /* With an argument of 1, TCSBRK for output to be drain. */
+ int result = INLINE_SYSCALL (ioctl, 3, fd, TCSBRK, 1);
+
+ LIBC_CANCEL_RESET (oldtype);
+
+ return result;
+#else
return ioctl(fd, TCSBRK, 1);
+#endif
}
+weak_alias(__libc_tcdrain,tcdrain)