github.com/myhau/pulumi/pkg/v3@v3.70.2-0.20221116134521-f2775972e587/backend/display/sigint_windows.go (about)

     1  // Copyright 2016-2022, Pulumi Corporation.
     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 windows
    16  
    17  package display
    18  
    19  import (
    20  	"fmt"
    21  	"os"
    22  	"syscall"
    23  
    24  	"github.com/pulumi/pulumi/sdk/v3/go/common/util/contract"
    25  )
    26  
    27  var generateConsoleCtrlEvent *syscall.Proc
    28  
    29  func init() {
    30  	dll, err := syscall.LoadDLL("kernel32.dll")
    31  	if err != nil {
    32  		panic(fmt.Errorf("loading kernel32.dll: %w", err))
    33  	}
    34  	proc, err := dll.FindProc("GenerateConsoleCtrlEvent")
    35  	if err != nil {
    36  		panic(fmt.Errorf("finding GenerateConsoleCtrlEvent: %w", err))
    37  	}
    38  	generateConsoleCtrlEvent = proc
    39  }
    40  
    41  func sigint() {
    42  	_, _, err := generateConsoleCtrlEvent.Call(syscall.CTRL_BREAK_EVENT, uintptr(os.Getpid()))
    43  	contract.IgnoreError(err)
    44  }