github.com/metacubex/gvisor@v0.0.0-20240320004321-933faba989ec/pkg/sentry/hostfd/hostfd_linux.go (about)

     1  // Copyright 2020 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  //go:build !false
    16  // +build !false
    17  
    18  package hostfd
    19  
    20  // MaxReadWriteIov is the maximum permitted size of a struct iovec array in a
    21  // readv, writev, preadv, or pwritev host syscall.
    22  const MaxReadWriteIov = 1024 // UIO_MAXIOV
    23  
    24  // MaxSendRecvMsgIov is the maximum permitted size of a struct iovec array in a
    25  // sendmsg or recvmsg host syscall.
    26  const MaxSendRecvMsgIov = 1024 // UIO_MAXIOV