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| author | Thomas Doerfler <Thomas.Doerfler@embedded-brains.de> | 2009-11-30 13:23:58 +0000 |
|---|---|---|
| committer | Thomas Doerfler <Thomas.Doerfler@embedded-brains.de> | 2009-11-30 13:23:58 +0000 |
| commit | 42836e3f8589423c64f3a67aef1cb04cd86ebcba (patch) | |
| tree | dafacefcb8d183e898dadcb23f167195769ad789 /cpukit/libcsupport | |
| parent | Added defines for initialization of empty chains. (diff) | |
| download | rtems-42836e3f8589423c64f3a67aef1cb04cd86ebcba.tar.bz2 | |
Obtain output semaphore before drain output during close to prevent an infinite output drain loop
Diffstat (limited to 'cpukit/libcsupport')
| -rw-r--r-- | cpukit/libcsupport/src/termios.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/cpukit/libcsupport/src/termios.c b/cpukit/libcsupport/src/termios.c index 373ba4dc53..51f3ac8cce 100644 --- a/cpukit/libcsupport/src/termios.c +++ b/cpukit/libcsupport/src/termios.c @@ -374,6 +374,10 @@ rtems_termios_close (void *arg) /* * default: just flush output buffer */ + sc = rtems_semaphore_obtain (tty->osem, RTEMS_WAIT, RTEMS_NO_TIMEOUT); + if (sc != RTEMS_SUCCESSFUL) { + rtems_fatal_error_occurred (sc); + } drainOutput (tty); } |