openvt: Fix -w option

The openvt command, when using option -w needs to close the file descriptor
attached to the allocated vt or it will always return an error because the vt
is "still in use" by openvt.

Signed-off-by: Robert White <rwhite@pobox.com>
Signed-off-by: Alexey Gladkov <gladkov.alexey@gmail.com>

diff --git a/src/openvt.c b/src/openvt.c
index cf68dab..2de0504 100644 (file)
--- a/src/openvt.c
+++ b/src/openvt.c
@@ -298,7 +298,14 @@ main(int argc, char *argv[])
        }
 
        if (do_wait) {
+               int retval = 0; /* actual value returned form process */
+
                wait(NULL);
+               waitpid(pid, &retval, 0);
+
+               /* we need to clean up our file descriptors if we want dallocation to work later */
+               close(fd0);
+
                if (show) {     /* Switch back... */
                        if (ioctl(consfd, VT_ACTIVATE, vtstat.v_active)) {
                                perror("VT_ACTIVATE");
@@ -314,6 +321,13 @@ main(int argc, char *argv[])
                                return (8);
                        }
                }
+
+               /* if all our stuff went right, we want to return the exit code of the command we ran
+                  super vital for scripting loops etc */
+               return(retval);
+
+       } else {
+               close(fd0);
        }
 
        return 0;