mmap.go

Documentation: runtime

     1  // Copyright 2015 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build !aix && !darwin && !js && (!linux || !amd64) && (!linux || !arm64) && !openbsd && !plan9 && !solaris && !windows
     6  // +build !aix
     7  // +build !darwin
     8  // +build !js
     9  // +build !linux !amd64
    10  // +build !linux !arm64
    11  // +build !openbsd
    12  // +build !plan9
    13  // +build !solaris
    14  // +build !windows
    15  
    16  package runtime
    17  
    18  import "unsafe"
    19  
    20  // mmap calls the mmap system call. It is implemented in assembly.
    21  // We only pass the lower 32 bits of file offset to the
    22  // assembly routine; the higher bits (if required), should be provided
    23  // by the assembly routine as 0.
    24  // The err result is an OS error code such as ENOMEM.
    25  func mmap(addr unsafe.Pointer, n uintptr, prot, flags, fd int32, off uint32) (p unsafe.Pointer, err int)
    26  
    27  // munmap calls the munmap system call. It is implemented in assembly.
    28  func munmap(addr unsafe.Pointer, n uintptr)
    29
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