diff options
| -rw-r--r-- | shell/hush.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/shell/hush.c b/shell/hush.c index b91e8c34d..1753be0d1 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -2461,11 +2461,15 @@ static void setup_heredoc(struct redir_struct *redir) * for the unsuspecting parent process. Child creates a grandchild * and exits before parent execs the process which consumes heredoc * (that exec happens after we return from this function) */ +#if !BB_MMU + to_free = NULL; +#endif pid = vfork(); if (pid < 0) bb_perror_msg_and_die("vfork"); if (pid == 0) { /* child */ + disable_restore_tty_pgrp_on_exit(); pid = BB_MMU ? fork() : vfork(); if (pid < 0) bb_perror_msg_and_die(BB_MMU ? "fork" : "vfork"); @@ -2478,7 +2482,6 @@ static void setup_heredoc(struct redir_struct *redir) _exit(0); #else /* Delegate blocking writes to another process */ - disable_restore_tty_pgrp_on_exit(); xmove_fd(pair.wr, STDOUT_FILENO); re_execute_shell(&to_free, heredoc, NULL, NULL); #endif |