github.com/MerlinKodo/gvisor@v0.0.0-20231110090155-957f62ecf90e/pkg/abi/abi.go (about)

     1  // Copyright 2018 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // Package abi describes the interface between a kernel and userspace.
    16  package abi
    17  
    18  import (
    19  	"fmt"
    20  )
    21  
    22  // OS describes the target operating system for an ABI.
    23  //
    24  // Note that OS is architecture-independent. The details of the OS ABI will
    25  // vary between architectures.
    26  type OS int
    27  
    28  const (
    29  	// Linux is the Linux ABI.
    30  	Linux OS = iota
    31  )
    32  
    33  // String implements fmt.Stringer.
    34  func (o OS) String() string {
    35  	switch o {
    36  	case Linux:
    37  		return "linux"
    38  	default:
    39  		return fmt.Sprintf("OS(%d)", o)
    40  	}
    41  }
    42  
    43  // ABI is an interface that defines OS-specific interactions.
    44  type ABI interface {
    45  }