diff --git a/include/crucible/openat2.h b/include/crucible/openat2.h
new file mode 100644
index 0000000..45f2c7f
--- /dev/null
+++ b/include/crucible/openat2.h
@@ -0,0 +1,17 @@
+#ifndef CRUCIBLE_OPENAT2_H
+#define CRUCIBLE_OPENAT2_H
+
+#include <linux/openat2.h>
+
+#include <fcntl.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+extern "C" {
+
+/// Weak symbol to support libc with no syscall wrapper
+int openat2(int dirfd, const char *pathname, struct open_how *how, size_t size) throw();
+
+};
+
+#endif // CRUCIBLE_OPENAT2_H
diff --git a/lib/Makefile b/lib/Makefile
index cddea6f..939f844 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -14,6 +14,7 @@ CRUCIBLE_OBJS = \
 	fs.o \
 	multilock.o \
 	ntoa.o \
+	openat2.o \
 	path.o \
 	process.o \
 	string.o \
diff --git a/lib/openat2.cc b/lib/openat2.cc
new file mode 100644
index 0000000..95c9eb3
--- /dev/null
+++ b/lib/openat2.cc
@@ -0,0 +1,13 @@
+#include "crucible/openat2.h"
+
+extern "C" {
+
+int
+__attribute__((weak))
+openat2(int const dirfd, const char *const pathname, struct open_how *const how, size_t const size)
+throw()
+{
+	return syscall(SYS_openat2, dirfd, pathname, how, size);
+}
+
+};