From ba7b44a3e7b5b2b240738f3c9b10cb9013a6a304 Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Sat, 21 Sep 2019 13:40:35 -0700
Subject: Fix for broken behavior in the help menu (hanging when reaching the
 end, due to not close()ing the file descriptor, and exiting on ctrl-c)

---
 bb.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'bb.c')

diff --git a/bb.c b/bb.c
index 88add91..4322301 100644
--- a/bb.c
+++ b/bb.c
@@ -1044,9 +1044,11 @@ bb_result_t process_cmd(bb_t *bb, const char *cmd)
             int fds[2];
             pipe(fds);
             pid_t child = fork();
+            void (*old_handler)(int) = signal(SIGINT, SIG_IGN);
             if (child != 0) {
                 close(fds[0]);
                 print_bindings(fds[1]);
+                close(fds[1]);
                 waitpid(child, NULL, 0);
             } else {
                 close(fds[1]);
@@ -1055,6 +1057,7 @@ bb_result_t process_cmd(bb_t *bb, const char *cmd)
                 execvp("sh", args);
             }
             init_term();
+            signal(SIGINT, old_handler);
             bb->dirty = 1;
             return BB_OK;
         }
-- 
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