libminijail: Set the controlling tty if appropriate.

The session leader needs to set the controlling tty for job control to
work. Also, clang-format was applied to libminijail.c.

Bug: 224419467
Test: manatee -a shell # check if job control fails

Change-Id: Ib935d3dbca384ffb071e902b3aed232334be8318

1 files changed, 12 insertions, 6 deletions

diff --git a/libminijail.c b/libminijail.c
index ea59404..aab1294 100644
--- a/libminijail.c
+++ b/libminijail.c
@@ -2889,6 +2889,12 @@ static void setup_child_std_fds(struct minijail *j,
 		if (setsid() < 0) {
 			pdie("setsid() failed");
 		}
+
+		if (isatty(STDIN_FILENO)) {
+			if (ioctl(STDIN_FILENO, TIOCSCTTY, 0) != 0) {
+				pwarn("failed to set controlling terminal");
+			}
+		}
 	}
 }
 
@@ -2943,12 +2949,12 @@ int API minijail_run_env(struct minijail *j, const char *filename,
 			 char *const argv[], char *const envp[])
 {
 	struct minijail_run_config config = {
-	   .filename = filename,
-	   .elf_fd = -1,
-	   .argv = argv,
-	   .envp = envp,
-	   .use_preload = true,
-	   .exec_in_child = true,
+	    .filename = filename,
+	    .elf_fd = -1,
+	    .argv = argv,
+	    .envp = envp,
+	    .use_preload = true,
+	    .exec_in_child = true,
 	};
 	return minijail_run_config_internal(j, &config);
 }