1 files changed, 21 insertions, 0 deletions
diff --git a/vendor/github.com/zenazn/goji/graceful/einhorn.go b/vendor/github.com/zenazn/goji/graceful/einhorn.go
new file mode 100644
index 0000000..082d1c4
--- /dev/null
+++ b/vendor/github.com/zenazn/goji/graceful/einhorn.go
@@ -0,0 +1,21 @@
+// +build !windows
+
+package graceful
+
+import (
+	"os"
+	"strconv"
+	"syscall"
+)
+
+func init() {
+	// This is a little unfortunate: goji/bind already knows whether we're
+	// running under einhorn, but we don't want to introduce a dependency
+	// between the two packages. Since the check is short enough, inlining
+	// it here seems "fine."
+	mpid, err := strconv.Atoi(os.Getenv("EINHORN_MASTER_PID"))
+	if err != nil || mpid != os.Getppid() {
+		return
+	}
+	stdSignals = append(stdSignals, syscall.SIGUSR2)
+}