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Diffstat (limited to 'src/runtime/mmap.go')
| -rw-r--r-- | src/runtime/mmap.go | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/runtime/mmap.go b/src/runtime/mmap.go new file mode 100644 index 0000000..f0183f6 --- /dev/null +++ b/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) && (!linux || !arm64) && (!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) |