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Diffstat (limited to 'vendor/src/github.com/coreos/go-systemd/examples/activation/listen.go')
-rw-r--r--vendor/src/github.com/coreos/go-systemd/examples/activation/listen.go50
1 files changed, 50 insertions, 0 deletions
diff --git a/vendor/src/github.com/coreos/go-systemd/examples/activation/listen.go b/vendor/src/github.com/coreos/go-systemd/examples/activation/listen.go
new file mode 100644
index 0000000000..5850a8b796
--- /dev/null
+++ b/vendor/src/github.com/coreos/go-systemd/examples/activation/listen.go
@@ -0,0 +1,50 @@
+// Activation example used by the activation unit tests.
+package main
+
+import (
+ "fmt"
+ "os"
+
+ "github.com/coreos/go-systemd/activation"
+)
+
+func fixListenPid() {
+ if os.Getenv("FIX_LISTEN_PID") != "" {
+ // HACK: real systemd would set LISTEN_PID before exec'ing but
+ // this is too difficult in golang for the purpose of a test.
+ // Do not do this in real code.
+ os.Setenv("LISTEN_PID", fmt.Sprintf("%d", os.Getpid()))
+ }
+}
+
+func main() {
+ fixListenPid()
+
+ listeners, _ := activation.Listeners(false)
+
+ if len(listeners) == 0 {
+ panic("No listeners")
+ }
+
+ if os.Getenv("LISTEN_PID") == "" || os.Getenv("LISTEN_FDS") == "" {
+ panic("Should not unset envs")
+ }
+
+ listeners, err := activation.Listeners(true)
+ if err != nil {
+ panic(err)
+ }
+
+ if os.Getenv("LISTEN_PID") != "" || os.Getenv("LISTEN_FDS") != "" {
+ panic("Can not unset envs")
+ }
+
+ c0, _ := listeners[0].Accept()
+ c1, _ := listeners[1].Accept()
+
+ // Write out the expected strings to the two pipes
+ c0.Write([]byte("Hello world"))
+ c1.Write([]byte("Goodbye world"))
+
+ return
+}