X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=chiark-tcl.git;a=blobdiff_plain;f=base%2Fscriptinv.c;h=6dd53755e79963f7877c652dab926552faffac27;hp=3bc383d9c847cf2857573f0efc7bd8784ca3f7f8;hb=1f4b96ff118c4666bb2674edb09c7dfcfa45f61d;hpb=c48252ff1a8cfbd77e1be9717dbcb957bbcf57a8

diff --git a/base/scriptinv.c b/base/scriptinv.c
index 3bc383d..6dd5375 100644
--- a/base/scriptinv.c
+++ b/base/scriptinv.c
@@ -34,7 +34,8 @@ int cht_scriptinv_set(ScriptToInvoke *si, Tcl_Interp *ip,
   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;
 
@@ -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);
-  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);
+}