slight improvements to scriptinv, including scriptinv_invoke_fg

[chiark-tcl.git] / base / scriptinv.c

diff --git a/base/scriptinv.c b/base/scriptinv.c
index 3bc383d9c847cf2857573f0efc7bd8784ca3f7f8..6dd53755e79963f7877c652dab926552faffac27 100644 (file)
--- a/base/scriptinv.c
+++ b/base/scriptinv.c
@@ -34,7 +34,8 @@ int cht_scriptinv_set(ScriptToInvoke *si, Tcl_Interp *ip,
   return 0;
 }  
   
   return 0;
 }  
   

-void cht_scriptinv_invoke(ScriptToInvoke *si, int argc, Tcl_Obj *const *argv) {
+int cht_scriptinv_invoke_fg(ScriptToInvoke *si, int argc,
+                           Tcl_Obj *const *argv) {

   Tcl_Obj *invoke=0;
   int i, rc;
 
   Tcl_Obj *invoke=0;
   int i, rc;
 


@@ -60,5 +61,10 @@ void cht_scriptinv_invoke(ScriptToInvoke *si, int argc, Tcl_Obj *const *argv) {
 x_rc:
   for (i=0; i<argc; i++) Tcl_DecrRefCount(argv[i]);
   if (invoke) Tcl_DecrRefCount(invoke);
 x_rc:
   for (i=0; i<argc; i++) Tcl_DecrRefCount(argv[i]);
   if (invoke) Tcl_DecrRefCount(invoke);

-  if (rc) Tcl_BackgroundError(si->ip);
+  return rc;

 }
 }

+
+void cht_scriptinv_invoke(ScriptToInvoke *si, int argc, Tcl_Obj *const *argv) {
+  rc= cht_scriptinv_invoke_fg(si, argc, argv);
+  if (rc) Tcl_BackgroundError(si->ip);
+}