diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/signal.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/signal.h b/include/signal.h index d4856a89..72bffd61 100644 --- a/include/signal.h +++ b/include/signal.h @@ -28,9 +28,11 @@ extern "C" { #define SIG_HOLD ((void (*)(int)) 2) +#ifndef SIG_BLOCK #define SIG_BLOCK 0 #define SIG_UNBLOCK 1 #define SIG_SETMASK 2 +#endif #define SI_ASYNCNL (-60) #define SI_TKILL (-6) |