Initial commit: Go 1.23 release state

src/runtime/mmap.go

@@ -0,0 +1,19 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build !aix && !darwin && !js && !((linux && (amd64 || arm64 || loong64)) || (freebsd && amd64)) && !openbsd && !plan9 && !solaris && !windows
+
+package runtime
+
+import "unsafe"
+
+// mmap calls the mmap system call. It is implemented in assembly.
+// We only pass the lower 32 bits of file offset to the
+// assembly routine; the higher bits (if required), should be provided
+// by the assembly routine as 0.
+// The err result is an OS error code such as ENOMEM.
+func mmap(addr unsafe.Pointer, n uintptr, prot, flags, fd int32, off uint32) (p unsafe.Pointer, err int)
+
+// munmap calls the munmap system call. It is implemented in assembly.
+func munmap(addr unsafe.Pointer, n uintptr)