github.com/metacubex/gvisor@v0.0.0-20240320004321-933faba989ec/pkg/sentry/platform/ptrace/subprocess_unsafe.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  //go:build go1.18
    16  // +build go1.18
    17  
    18  // //go:linkname directives type-checked by checklinkname. Any other
    19  // non-linkname assumptions outside the Go 1 compatibility guarantee should
    20  // have an accompanied vet check or version guard build tag.
    21  
    22  package ptrace
    23  
    24  import (
    25  	_ "unsafe" // required for go:linkname.
    26  )
    27  
    28  //go:linkname beforeFork syscall.runtime_BeforeFork
    29  func beforeFork()
    30  
    31  //go:linkname afterFork syscall.runtime_AfterFork
    32  func afterFork()
    33  
    34  //go:linkname afterForkInChild syscall.runtime_AfterForkInChild
    35  func afterForkInChild()