diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go
index fbaeb5fff..aa0c55151 100644
--- a/unix/syscall_linux.go
+++ b/unix/syscall_linux.go
@@ -2420,6 +2420,21 @@ func PthreadSigmask(how int, set, oldset *Sigset_t) error {
 	return rtSigprocmask(how, set, oldset, _C__NSIG/8)
 }
 
+//sysnb	getresuid(ruid *_C_int, euid *_C_int, suid *_C_int)
+//sysnb	getresgid(rgid *_C_int, egid *_C_int, sgid *_C_int)
+
+func Getresuid() (ruid, euid, suid int) {
+	var r, e, s _C_int
+	getresuid(&r, &e, &s)
+	return int(r), int(e), int(s)
+}
+
+func Getresgid() (rgid, egid, sgid int) {
+	var r, e, s _C_int
+	getresgid(&r, &e, &s)
+	return int(r), int(e), int(s)
+}
+
 /*
  * Unimplemented
  */
diff --git a/unix/zsyscall_linux.go b/unix/zsyscall_linux.go
index da63d9d78..722c29a00 100644
--- a/unix/zsyscall_linux.go
+++ b/unix/zsyscall_linux.go
@@ -2172,3 +2172,17 @@ func rtSigprocmask(how int, set *Sigset_t, oldset *Sigset_t, sigsetsize uintptr)
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getresuid(ruid *_C_int, euid *_C_int, suid *_C_int) {
+	RawSyscallNoError(SYS_GETRESUID, uintptr(unsafe.Pointer(ruid)), uintptr(unsafe.Pointer(euid)), uintptr(unsafe.Pointer(suid)))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getresgid(rgid *_C_int, egid *_C_int, sgid *_C_int) {
+	RawSyscallNoError(SYS_GETRESGID, uintptr(unsafe.Pointer(rgid)), uintptr(unsafe.Pointer(egid)), uintptr(unsafe.Pointer(sgid)))
+	return
+}