Use exec instead of system to start bochs.

diff --git a/src/utils/pintos b/src/utils/pintos
index f30e03adfe67ed56f582041d457f81f2d6f6a5e6..e513ab1e861785a8783937417c4c0055abb478a2 100755 (executable)
--- a/src/utils/pintos
+++ b/src/utils/pintos
@@ -234,7 +234,8 @@ sub run_vm {
 
        my (@cmd) = ($bin, '-q');
        push (@cmd, '-j', $jitter) if defined $jitter;
-       run_command_no_die (@cmd);
+       print join (' ', @_), "\n";
+       exec (@_);
     } elsif ($sim eq 'qemu') {
        print "warning: qemu doesn't support --terminal\n"
            if $vga eq 'terminal';
@@ -329,11 +330,6 @@ sub run_command {
     die "command failed\n" if system (@_);
 }
 
-sub run_command_no_die {
-    print join (' ', @_), "\n";
-    system (@_);
-}
-
 sub search_path {
     my ($target) = @_;
     for my $dir (split (':', $ENV{PATH})) {