diff options
| -rw-r--r-- | sys/src/libdraw/mouse.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/src/libdraw/mouse.c b/sys/src/libdraw/mouse.c index 49c5f278e..ceb93819d 100644 --- a/sys/src/libdraw/mouse.c +++ b/sys/src/libdraw/mouse.c @@ -52,6 +52,8 @@ _ioproc(void *arg) n = read(mc->mfd, buf, sizeof buf); if(n != 1+4*12){ yield(); /* if error is due to exiting, we'll exit here */ + if(mc->mfd < 0) + break; fprint(2, "mouse: bad count %d not 49: %r\n", n); if(n<0 || ++nerr>10) threadexits("read error"); |