Add new logging connectors

vendor/gopkg.in/mgo.v2/syscall_test.go

@@ -0,0 +1,15 @@
+// +build !windows
+
+package mgo_test
+
+import (
+	"syscall"
+)
+
+func stop(pid int) (err error) {
+	return syscall.Kill(pid, syscall.SIGSTOP)
+}
+
+func cont(pid int) (err error) {
+	return syscall.Kill(pid, syscall.SIGCONT)
+}