diff --git a/base/glibc-compatibility/musl/accept4.c b/base/glibc-compatibility/musl/accept4.c
new file mode 100644
index 0000000000..59ab1726bd
--- /dev/null
+++ b/base/glibc-compatibility/musl/accept4.c
@@ -0,0 +1,19 @@
+#define _GNU_SOURCE
+#include <sys/socket.h>
+#include <errno.h>
+#include <fcntl.h>
+#include "syscall.h"
+
+int accept4(int fd, struct sockaddr *restrict addr, socklen_t *restrict len, int flg)
+{
+	if (!flg) return accept(fd, addr, len);
+	int ret = socketcall_cp(accept4, fd, addr, len, flg, 0, 0);
+	if (ret>=0 || (errno != ENOSYS && errno != EINVAL)) return ret;
+	ret = accept(fd, addr, len);
+	if (ret<0) return ret;
+	if (flg & SOCK_CLOEXEC)
+		__syscall(SYS_fcntl, ret, F_SETFD, FD_CLOEXEC);
+	if (flg & SOCK_NONBLOCK)
+		__syscall(SYS_fcntl, ret, F_SETFL, O_NONBLOCK);
+	return ret;
+}
diff --git a/base/glibc-compatibility/musl/syscall.h b/base/glibc-compatibility/musl/syscall.h
index 7e540f6719..3160357f25 100644
--- a/base/glibc-compatibility/musl/syscall.h
+++ b/base/glibc-compatibility/musl/syscall.h
@@ -15,3 +15,9 @@ __attribute__((visibility("hidden")))
 void *__vdsosym(const char *, const char *);
 
 #define syscall(...) __syscall_ret(__syscall(__VA_ARGS__))
+
+#define socketcall(...) __syscall_ret(__socketcall(__VA_ARGS__))
+
+#define __socketcall(nm,a,b,c,d,e,f) __syscall(SYS_##nm, a, b, c, d, e, f)
+
+#define socketcall_cp socketcall