Don't try to send signal while gdb is not started.

[src/xds/xds-gdb.git] / gdb-xds.go

diff --git a/gdb-xds.go b/gdb-xds.go
index bb8ad2f..22e13ed 100644 (file)
--- a/gdb-xds.go
+++ b/gdb-xds.go
@@ -76,6 +76,9 @@ func (g *GdbXds) SetConfig(name string, value interface{}) error {
 // Init initializes gdb XDS
 func (g *GdbXds) Init() (int, error) {
 
+       // Reset command ID (also used to enable sending of signals)
+       g.cmdID = ""
+
        // Define HTTP and WS url
        baseURL := g.uri
        if !strings.HasPrefix(g.uri, "http://") {
@@ -167,6 +170,7 @@ func (g *GdbXds) Close() error {
        g.cbOnExit = nil
        g.cbRead = nil
        g.cbInferiorRead = nil
+       g.cmdID = ""
 
        return nil
 }
@@ -285,6 +289,10 @@ func (g *GdbXds) Write(args ...interface{}) error {
 
 // SendSignal is used to send a signal to remote process/gdb
 func (g *GdbXds) SendSignal(sig os.Signal) error {
+       if g.cmdID == "" {
+               return fmt.Errorf("cmdID not set")
+       }
+
        var body []byte
        body, err := json.Marshal(apiv1.ExecSignalArgs{
                CmdID:  g.cmdID,