signal_posix.go

Documentation: github.com/c-bata/go-prompt

     1  // +build !windows
     2  
     3  package prompt
     4  
     5  import (
     6  	"os"
     7  	"os/signal"
     8  	"syscall"
     9  
    10  	"github.com/c-bata/go-prompt/internal/debug"
    11  )
    12  
    13  func (p *Prompt) handleSignals(exitCh chan int, winSizeCh chan *WinSize, stop chan struct{}) {
    14  	in := p.in
    15  	sigCh := make(chan os.Signal, 1)
    16  	signal.Notify(
    17  		sigCh,
    18  		syscall.SIGINT,
    19  		syscall.SIGTERM,
    20  		syscall.SIGQUIT,
    21  		syscall.SIGWINCH,
    22  	)
    23  
    24  	for {
    25  		select {
    26  		case <-stop:
    27  			debug.Log("stop handleSignals")
    28  			return
    29  		case s := <-sigCh:
    30  			switch s {
    31  			case syscall.SIGINT: // kill -SIGINT XXXX or Ctrl+c
    32  				debug.Log("Catch SIGINT")
    33  				exitCh <- 0
    34  
    35  			case syscall.SIGTERM: // kill -SIGTERM XXXX
    36  				debug.Log("Catch SIGTERM")
    37  				exitCh <- 1
    38  
    39  			case syscall.SIGQUIT: // kill -SIGQUIT XXXX
    40  				debug.Log("Catch SIGQUIT")
    41  				exitCh <- 0
    42  
    43  			case syscall.SIGWINCH:
    44  				debug.Log("Catch SIGWINCH")
    45  				winSizeCh <- in.GetWinSize()
    46  			}
    47  		}
    48  	}
    49  }
    50
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