Attempt to recover from EBADF in the main select.

All regression tests pass.

1 files changed, 8 insertions, 0 deletions

diff --git a/gpsmon.c b/gpsmon.c
index 77b65582..02a2c1cb 100644
--- a/gpsmon.c
+++ b/gpsmon.c
@@ -1258,11 +1258,19 @@ int main(int argc, char **argv)
 
 	for (;;) 
 	{
+#ifdef EFDS
+	    fd_set efds;
+#endif /* EFDS */
 	    switch(gpsd_await_data(&rfds, maxfd, &all_fds, context.debug))
 	    {
 	    case AWAIT_GOT_INPUT:
 		break;
 	    case AWAIT_NOT_READY:
+#ifdef EFDS
+		/* no recovery from bad fd is possible */
+		if (FD_ISSET(session.gpsdata.gps_fd, &efds))
+		    longjmp(terminate, TERM_SELECT_FAILED);
+#endif /* EFDS */
 		continue;
 	    case AWAIT_FAILED:
 		longjmp(terminate, TERM_SELECT_FAILED);