From b598f20fa916b389ea5a18837f1eac4a408856e6 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 23 Nov 2022 08:44:46 +0200
Subject: Close any open pipe ends before waiting for process exit

---
 libbutl/process.cxx | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'libbutl')

diff --git a/libbutl/process.cxx b/libbutl/process.cxx
index 5b7682e..0bfff03 100644
--- a/libbutl/process.cxx
+++ b/libbutl/process.cxx
@@ -758,6 +758,13 @@ namespace butl
   {
     if (handle != 0)
     {
+      // First close any open pipe ends for good measure but ignore any
+      // errors.
+      //
+      out_fd.reset ();
+      in_ofd.reset ();
+      in_efd.reset ();
+
       int es;
       int r (waitpid (handle, &es, 0));
       handle = 0; // We have tried.
@@ -1960,6 +1967,10 @@ namespace butl
   {
     if (handle != 0)
     {
+      out_fd.reset ();
+      in_ofd.reset ();
+      in_efd.reset ();
+
       DWORD es;
       DWORD e (NO_ERROR);
       if (WaitForSingleObject (handle, INFINITE) != WAIT_OBJECT_0 ||
-- 
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