---
 winsup/cygwin/fhandler_tty.cc | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
index 65b12fd6c..23156f977 100644
--- a/winsup/cygwin/fhandler_tty.cc
+++ b/winsup/cygwin/fhandler_tty.cc
@@ -2242,11 +2242,27 @@ fhandler_pty_master::close ()
          /* Terminate helper process */
          SetEvent (get_ttyp ()->h_helper_goodbye);
          WaitForSingleObject (get_ttyp ()->h_helper_process, INFINITE);
+         CloseHandle (get_ttyp ()->h_helper_goodbye);
+         CloseHandle (get_ttyp ()->h_helper_process);
          /* FIXME: Pseudo console can be accessed via its handle
             only in the process which created it. What else can we do? */
          if (master_pid_tmp == myself->pid)
-           /* Release pseudo console */
-           ClosePseudoConsole (get_pseudo_console ());
+           {
+             /* ClosePseudoConsole() seems to have a bug that one
+                internal handle remains opened. This causes handle leak.
+                This is a workaround for this problem. */
+             typedef struct
+             {
+               HANDLE hWritePipe;
+               HANDLE hConDrvReference;
+               HANDLE hConHostProcess;
+             } HPCON_INTERNAL;
+             HPCON_INTERNAL *hp = (HPCON_INTERNAL *) get_pseudo_console ();
+             HANDLE tmp = hp->hConHostProcess;
+             /* Release pseudo console */
+             ClosePseudoConsole (get_pseudo_console ());
+             CloseHandle (tmp);
+           }
          get_ttyp ()->switch_to_pcon_in = false;
          get_ttyp ()->switch_to_pcon_out = false;
        }
@@ -3212,6 +3228,8 @@ fhandler_pty_master::setup_pseudoconsole ()
                  FALSE, EXTENDED_STARTUPINFO_PRESENT,
                  NULL, NULL, &si_helper.StartupInfo, &pi_helper);
   WaitForSingleObject (hello, INFINITE);
+  CloseHandle (hello);
+  CloseHandle (pi_helper.hThread);
   /* Retrieve pseudo console handles */
   DWORD rLen;
   char buf[64];
-- 
2.21.0

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