diff --git a/ulib/Makefile b/ulib/Makefile
index b58c73b..b9309ad 100644
--- a/ulib/Makefile
+++ b/ulib/Makefile
@@ -13,6 +13,7 @@ SRCFILES := $(call GRABSRC, \
 							dlmalloc \
 							sync \
 							args \
+							util \
 						)
 
 CFLAGS += -isystem $(ROOT)/share -isystem $(ROOT)/ulib -isystem $(ROOT)/std/include \
diff --git a/ulib/util/util.c b/ulib/util/util.c
new file mode 100644
index 0000000..1a21dda
--- /dev/null
+++ b/ulib/util/util.c
@@ -0,0 +1,6 @@
+#include <system/system.h>
+#include <sysdefs/processctl.h>
+
+void quit(void) {
+  processctl(-1, PCTL_KILL, 0, 0, 0);
+}
diff --git a/ulib/util/util.h b/ulib/util/util.h
index bb6eb6a..ed8a97f 100644
--- a/ulib/util/util.h
+++ b/ulib/util/util.h
@@ -11,4 +11,6 @@
   *(X); \
 }) \
 
+void quit(void);
+
 #endif // ULIB_UTIL_UTIL_H_