diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h
index 7b82bc3cf1074..d4a5c2399a66b 100644
--- a/tools/include/nolibc/sys.h
+++ b/tools/include/nolibc/sys.h
@@ -23,6 +23,7 @@
 #include <linux/prctl.h>
 #include <linux/resource.h>
 #include <linux/utsname.h>
+#include <linux/signal.h>
 
 #include "arch.h"
 #include "errno.h"
@@ -1225,6 +1226,23 @@ pid_t waitpid(pid_t pid, int *status, int options)
 }
 
 
+/*
+ * int waitid(idtype_t idtype, id_t id, siginfo_t *infop, int options);
+ */
+
+static __attribute__((unused))
+int sys_waitid(int which, pid_t pid, siginfo_t *infop, int options, struct rusage *rusage)
+{
+	return my_syscall5(__NR_waitid, which, pid, infop, options, rusage);
+}
+
+static __attribute__((unused))
+int waitid(int which, pid_t pid, siginfo_t *infop, int options)
+{
+	return __sysret(sys_waitid(which, pid, infop, options, NULL));
+}
+
+
 /*
  * ssize_t write(int fd, const void *buf, size_t count);
  */