Add a stub for /dev/tty.

Actual implementation to follow, but this will satisfy applications that
want it to just exist.

1 files changed, 7 insertions, 0 deletions

diff --git a/test/syscalls/linux/dev.cc b/test/syscalls/linux/dev.cc
index b86ebe233..7b1dd14ef 100644
--- a/test/syscalls/linux/dev.cc
+++ b/test/syscalls/linux/dev.cc
@@ -13,6 +13,8 @@
 // limitations under the License.
 
 #include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
 #include <unistd.h>
 #include <vector>
 
@@ -143,6 +145,11 @@ TEST(DevTest, WriteDevFull) {
   EXPECT_THAT(WriteFd(fd.get(), "a", 1), SyscallFailsWithErrno(ENOSPC));
 }
 
+TEST(DevTest, TTYExists) {
+  struct stat statbuf = {};
+  ASSERT_THAT(stat("/dev/tty", &statbuf), SyscallSucceeds());
+}
+
 }  // namespace
 }  // namespace testing