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Diffstat (limited to 'daemonize.go')
-rw-r--r--daemonize.go11
1 files changed, 7 insertions, 4 deletions
diff --git a/daemonize.go b/daemonize.go
index b9857e7..9869258 100644
--- a/daemonize.go
+++ b/daemonize.go
@@ -10,19 +10,21 @@ import (
"github.com/rfjakob/gocryptfs/internal/tlog"
)
-// The child sends us USR1 if the mount was successful
+// The child sends us USR1 if the mount was successful. Exit with error code
+// 0 if we get it.
func exitOnUsr1() {
c := make(chan os.Signal, 1)
signal.Notify(c, syscall.SIGUSR1)
- <-c
- os.Exit(0)
+ go func() {
+ <-c
+ os.Exit(0)
+ }()
}
// forkChild - execute ourselves once again, this time with the "-fg" flag, and
// wait for SIGUSR1 or child exit.
// This is a workaround for the missing true fork function in Go.
func forkChild() int {
- go exitOnUsr1()
name := os.Args[0]
newArgs := []string{"-fg", fmt.Sprintf("-notifypid=%d", os.Getpid())}
newArgs = append(newArgs, os.Args[1:]...)
@@ -30,6 +32,7 @@ func forkChild() int {
c.Stdout = os.Stdout
c.Stderr = os.Stderr
c.Stdin = os.Stdin
+ exitOnUsr1()
err := c.Start()
if err != nil {
tlog.Fatal.Printf("forkChild: starting %s failed: %v\n", name, err)