Don't expect SIGPWR to be defined

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@1149 9d0c8265-081b-0410-96cb-a4ca84ce46f8

1 files changed, 4 insertions, 2 deletions

diff --git a/lib/libsystem.c b/lib/libsystem.c
index 8a0f520a..8e312fef 100644
--- a/lib/libsystem.c
+++ b/lib/libsystem.c
@@ -278,12 +278,14 @@ signalName(unsigned int const signalClass) {
             return "SIGWINCH";
         case SIGIO:
             return "SIGIO";
-        case SIGPWR:
-            return "SIGPWR";
         case SIGSYS:
             return "SIGSYS";
         default:
             return "???";
+
+            /* There are various other signal classes on some systems, but
+               not defined by POSIX, including: SIGPWR, SIGLOST, SIGINFO
+            */
         }
     } else if ((int)signalClass >= SIGRTMIN && (int)signalClass <= SIGRTMAX)
         return "SIGRTxxx";