diff options
| author | Matthieu Herrb <matthieu.herrb@laas.fr> | 2008-05-19 02:24:17 +0200 |
|---|---|---|
| committer | Matthieu Herrb <matthieu@bluenote.herrb.net> | 2008-06-19 16:55:25 +0200 |
| commit | 19c7e9da55646f1f6e05c28cd71865cd8d84e1ff (patch) | |
| tree | ef5721bb69fa1dd5ca02b8ba0bd36e1b83038c21 | |
| parent | 0a81d476388c51f8aa723400dffc375e112ea97a (diff) | |
preserve errno around the SIGIO handler
| -rw-r--r-- | hw/xfree86/os-support/shared/sigio.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/xfree86/os-support/shared/sigio.c b/hw/xfree86/os-support/shared/sigio.c index c97f50302..f51131c6b 100644 --- a/hw/xfree86/os-support/shared/sigio.c +++ b/hw/xfree86/os-support/shared/sigio.c @@ -101,6 +101,7 @@ xf86SIGIO (int sig) int i; fd_set ready; struct timeval to; + int save_errno = errno; /* do not clobber the global errno */ int r; ready = xf86SigIOMask; @@ -117,6 +118,8 @@ xf86SIGIO (int sig) if (r > 0) { xf86Msg(X_ERROR, "SIGIO %d descriptors not handled\n", r); } + /* restore global errno */ + errno = save_errno; } static int |