1 files changed, 4 insertions, 0 deletions
diff --git a/process.c b/process.c
index 13f4bef765..525a546d6e 100644
--- a/process.c
+++ b/process.c
@@ -1668,6 +1668,10 @@ rb_f_abort(int argc, VALUE *argv)
 
 #if defined(sun)
 #define signal(a,b) sigset(a,b)
+#else
+# if defined(POSIX_SIGNAL)
+#  define signal(a,b) posix_signal(a,b)
+# endif
 #endif
 
 void