Initial commit

vendor/github.com/hyperhq/hypercli/daemon/debugtrap_windows.go

@@ -0,0 +1,30 @@
+package daemon
+
+import (
+	"fmt"
+	"os"
+	"syscall"
+
+	"github.com/Sirupsen/logrus"
+	psignal "github.com/hyperhq/hypercli/pkg/signal"
+	"github.com/hyperhq/hypercli/pkg/system"
+)
+
+func setupDumpStackTrap() {
+	// Windows does not support signals like *nix systems. So instead of
+	// trapping on SIGUSR1 to dump stacks, we wait on a Win32 event to be
+	// signaled.
+	go func() {
+		sa := syscall.SecurityAttributes{
+			Length: 0,
+		}
+		ev := "Global\\docker-daemon-" + fmt.Sprint(os.Getpid())
+		if h, _ := system.CreateEvent(&sa, false, false, ev); h != 0 {
+			logrus.Debugf("Stackdump - waiting signal at %s", ev)
+			for {
+				syscall.WaitForSingleObject(h, syscall.INFINITE)
+				psignal.DumpStacks()
+			}
+		}
+	}()
+}