callmain: Print something before and after main()

This makes it easier to find the application program's output.

Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>

diff --git a/callmain.c b/callmain.c
index 8721c6c899f82ff272f0782d2a4c80b730d067cc..7ded920cf98e964150a3f16730338b7b64cab033 100644 (file)
--- a/callmain.c
+++ b/callmain.c
@@ -82,7 +82,7 @@ int
 __default_app_main(start_info_t *si)
 {
        char argv0[] = "rumpuser-xen";
-       int nargs;
+       int nargs, r;
        char **argv;
 
        parseargs(si->cmd_line, &nargs, 0);
@@ -92,7 +92,10 @@ __default_app_main(start_info_t *si)
        argv[nargs+1] = 0;
        argv[nargs+2] = 0;
 
-       return main(nargs+1, argv);
+       fprintf(stderr,"=== calling main() ===\n\n");
+       r = main(nargs+1, argv);
+       fprintf(stderr,"\n=== main() returned %d ===\n", r);
+       return r;
 }
 
 __weak_alias(app_main,__default_app_main)