github.com/inspektor-gadget/inspektor-gadget@v0.28.1/cmd/ig/utils/utils.go (about)

     1  // Copyright 2023 The Inspektor Gadget 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 utils
    16  
    17  import (
    18  	"os"
    19  	"os/signal"
    20  	"syscall"
    21  	"time"
    22  )
    23  
    24  // WaitForEnd waits until the user-set timeout happened or SIGINT or SIGTERM
    25  // is sent to us
    26  func WaitForEnd(f *CommonFlags) {
    27  	timeoutChannel := make(<-chan time.Time)
    28  	if f.Timeout != 0 {
    29  		timeoutChannel = time.After(time.Duration(f.Timeout) * time.Second)
    30  	}
    31  
    32  	stop := make(chan os.Signal, 1)
    33  	signal.Notify(stop, syscall.SIGINT, syscall.SIGTERM)
    34  
    35  	select {
    36  	case <-timeoutChannel:
    37  	case <-stop:
    38  	}
    39  }