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-rw-r--r--cpukit/libcsupport/src/termios.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/cpukit/libcsupport/src/termios.c b/cpukit/libcsupport/src/termios.c
index 1a7562e93c..a9603e1c24 100644
--- a/cpukit/libcsupport/src/termios.c
+++ b/cpukit/libcsupport/src/termios.c
@@ -1521,13 +1521,17 @@ fillBufferQueue (struct rtems_termios_tty *tty)
/*
* Wait for characters
*/
- if ( wait ) {
- rtems_status_code sc;
+ if (wait) {
+ if (tty->ccount < CBUFSIZE - 1) {
+ rtems_status_code sc;
- sc = rtems_semaphore_obtain(
- tty->rawInBuf.Semaphore, tty->rawInBufSemaphoreOptions, timeout);
- if (sc != RTEMS_SUCCESSFUL)
+ sc = rtems_semaphore_obtain(
+ tty->rawInBuf.Semaphore, tty->rawInBufSemaphoreOptions, timeout);
+ if (sc != RTEMS_SUCCESSFUL)
+ break;
+ } else {
break;
+ }
}
}
}