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

     1  // Copyright 2021 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 errors holds the standardized error definition for gVisor.
    16  package errors
    17  
    18  import (
    19  	"github.com/MerlinKodo/gvisor/pkg/abi/linux/errno"
    20  )
    21  
    22  // Error represents a syscall errno with a descriptive message.
    23  type Error struct {
    24  	errno   errno.Errno
    25  	message string
    26  }
    27  
    28  // New creates a new *Error.
    29  func New(err errno.Errno, message string) *Error {
    30  	return &Error{
    31  		errno:   err,
    32  		message: message,
    33  	}
    34  }
    35  
    36  // Error implements error.Error.
    37  func (e *Error) Error() string { return e.message }
    38  
    39  // Errno returns the underlying errno.Errno value.
    40  func (e *Error) Errno() errno.Errno { return e.errno }