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asynq/signals_unix.go

31 lines
681 B
Go

// +build linux bsd darwin
package asynq
import (
"os"
"os/signal"
"golang.org/x/sys/unix"
)
// waitForSignals waits for signals and handles them.
// It handles SIGTERM, SIGINT, and SIGTSTP.
// SIGTERM and SIGINT will signal the process to exit.
// SIGTSTP will signal the process to stop processing new tasks.
func (srv *Server) waitForSignals() {
srv.logger.Info("Send signal TSTP to stop processing new tasks")
srv.logger.Info("Send signal TERM or INT to terminate the process")
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, unix.SIGTERM, unix.SIGINT, unix.SIGTSTP)
for {
sig := <-sigs
if sig == unix.SIGTSTP {
srv.Quiet()
continue
}
break
}
}