github.com/psiphon-labs/psiphon-tunnel-core@v2.0.28+incompatible/psiphon/server/signal.go (about)

     1  // +build !windows
     2  
     3  /*
     4   * Copyright (c) 2021, Psiphon Inc.
     5   * All rights reserved.
     6   *
     7   * This program is free software: you can redistribute it and/or modify
     8   * it under the terms of the GNU General Public License as published by
     9   * the Free Software Foundation, either version 3 of the License, or
    10   * (at your option) any later version.
    11   *
    12   * This program is distributed in the hope that it will be useful,
    13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    15   * GNU General Public License for more details.
    16   *
    17   * You should have received a copy of the GNU General Public License
    18   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    19   *
    20   */
    21  
    22  package server
    23  
    24  import (
    25  	"os"
    26  	"os/signal"
    27  	"syscall"
    28  )
    29  
    30  func makeSIGUSR1Channel() chan os.Signal {
    31  	channel := make(chan os.Signal, 1)
    32  	signal.Notify(channel, syscall.SIGUSR1)
    33  	return channel
    34  }
    35  
    36  func makeSIGUSR2Channel() chan os.Signal {
    37  	channel := make(chan os.Signal, 1)
    38  	signal.Notify(channel, syscall.SIGUSR2)
    39  	return channel
    40  }
    41  
    42  func makeSIGTSTPChannel() chan os.Signal {
    43  	channel := make(chan os.Signal, 1)
    44  	signal.Notify(channel, syscall.SIGTSTP)
    45  	return channel
    46  }
    47  
    48  func makeSIGCONTChannel() chan os.Signal {
    49  	channel := make(chan os.Signal, 1)
    50  	signal.Notify(channel, syscall.SIGCONT)
    51  	return channel
    52  }