diff options
Diffstat (limited to 'cpukit/libcsupport/src/tcflow.c')
| -rw-r--r-- | cpukit/libcsupport/src/tcflow.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/cpukit/libcsupport/src/tcflow.c b/cpukit/libcsupport/src/tcflow.c index b329224b45..d4d3945f38 100644 --- a/cpukit/libcsupport/src/tcflow.c +++ b/cpukit/libcsupport/src/tcflow.c @@ -1,7 +1,7 @@ /* * tcflow() - POSIX 1003.1b 7.2.2 - Line Control Functions * - * COPYRIGHT (c) 1989-1999. + * COPYRIGHT (c) 1989-2010. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be @@ -18,12 +18,27 @@ #if defined(RTEMS_NEWLIB) #include <termios.h> #include <unistd.h> +#include <errno.h> +#include <rtems/seterr.h> int tcflow ( int fd __attribute__((unused)), - int action __attribute__((unused))) + int action +) { - return 0; + switch (action) { + case TCOOFF: + case TCOON: + case TCIOFF: + case TCION: + default: + rtems_set_errno_and_return_minus_one( EINVAL ); + } + + /* fd is not validated */ + + /* When this is supported, implement it here */ + rtems_set_errno_and_return_minus_one( ENOTSUP ); } #endif |