mirror of https://github.com/docker/compose.git
57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
/*
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Copyright 2020 Docker Compose CLI authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package mobycli
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import (
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"fmt"
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"unsafe"
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"golang.org/x/sys/windows"
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)
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func init() {
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if err := killSubProcessesOnClose(); err != nil {
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fmt.Println("failed to create job:", err)
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}
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}
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// killSubProcessesOnClose will ensure on windows that all child processes of the current process are killed if parent is killed.
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func killSubProcessesOnClose() error {
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job, err := windows.CreateJobObject(nil, nil)
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if err != nil {
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return err
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}
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info := windows.JOBOBJECT_EXTENDED_LIMIT_INFORMATION{
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BasicLimitInformation: windows.JOBOBJECT_BASIC_LIMIT_INFORMATION{
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LimitFlags: windows.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE,
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},
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}
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if _, err := windows.SetInformationJobObject(
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job,
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windows.JobObjectExtendedLimitInformation,
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uintptr(unsafe.Pointer(&info)),
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uint32(unsafe.Sizeof(info))); err != nil {
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_ = windows.CloseHandle(job)
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return err
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}
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if err := windows.AssignProcessToJobObject(job, windows.CurrentProcess()); err != nil {
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_ = windows.CloseHandle(job)
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return err
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}
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return nil
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}
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