Handle architectures without user-visible real-time signals.
diff --git a/dash/trap.c b/dash/trap.c
index 17f9fce..ffca213 100644
--- a/dash/trap.c
+++ b/dash/trap.c
@@ -392,6 +392,7 @@
return i;
}
+#ifdef SIGRTMIN
if ( !strncasecmp(string, "RTMIN", 5) ) {
if ( string[5] && string[5] != '+' )
return -1;
@@ -409,6 +410,7 @@
return -1;
return i;
}
+#endif
return -1;
}
@@ -421,13 +423,15 @@
{
static char buf[64];
- if ( sig < 0 || sig >= NSIG )
+ if ( sig < 0 || sig >= NSIG ) {
return NULL;
- else if ( sys_sigabbrev[sig] )
+ } else if ( sys_sigabbrev[sig] ) {
return sys_sigabbrev[sig];
- else if ( sig >= SIGRTMIN && sig <= SIGRTMAX ) {
+#ifdef SIGRTMIN
+ } else if ( sig >= SIGRTMIN && sig <= SIGRTMAX ) {
snprintf(buf, sizeof buf, "RTMIN+%d", sig-SIGRTMIN);
return buf;
+#endif
} else {
snprintf(buf, sizeof buf, "%d", sig);
return buf;
