NAME
tcdrain - block until output is transmitted
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
#include <termios.h>
int tcdrain(int fd);
DESCRIPTION
tcdrain() waits until all output written to the object referred to by fd has been transmitted.
RETURN VALUE
- 0
-
on success.
- -1
-
on failure and set errno to indicate the error.
ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).
| Interface | Attribute | Value |
| tcdrain() | Thread safety | MT-Safe |
STANDARDS
POSIX.1-2008.
HISTORY
POSIX.1-2001.