github.com/m3db/m3@v1.5.0/src/x/mmap/mmap_windows.go (about)

     1  // Copyright (c) 2017 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  //go:build windows
    22  // +build windows
    23  
    24  package mmap
    25  
    26  /*
    27   * This package presents a dummy implementation for Windows that returns not implemented errors.
    28   * M3DB does not run on Windows, but this dummy implementation will allow packages that transitively
    29   * include M3 to run on Windows.
    30   */
    31  
    32  import "errors"
    33  
    34  // Fd mmaps a file (not implemented on Windows)
    35  func Fd(fd, offset, length int64, opts Options) (Descriptor, error) {
    36    return Descriptor{}, errors.New("not implemented")
    37  }
    38  
    39  // Munmap munmaps a byte slice that is backed by an mmap
    40  // (not implemented on Windows)
    41  func Munmap(desc Descriptor) error {
    42    return errors.New("not implemented")
    43  }
    44  
    45  // MadviseDontNeed frees mmapped memory.
    46  // (not implemented on Windows)
    47  func MadviseDontNeed(desc Descriptor) error {
    48    return errors.New("not implemented")
    49  }
    50  
    51  // Bytes requests a private (non-shared) region of anonymous (not backed by a file) memory from the O.S
    52  // (not implemented on Windows)
    53  func Bytes(length int64, opts Options) (Descriptor, error) {
    54    return Descriptor{}, errors.New("not implemented")
    55  }