From abbf1ca698b12a58013586b76e089df7a944eeab Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Fri, 11 Mar 2022 17:35:27 +0100
Subject: [PATCH] Allow to get exit status from child processes

---
 libs/pbd/system_exec.cc | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/libs/pbd/system_exec.cc b/libs/pbd/system_exec.cc
index b199f8aa13..70ea91b847 100644
--- a/libs/pbd/system_exec.cc
+++ b/libs/pbd/system_exec.cc
@@ -431,7 +431,11 @@ SystemExec::wait (int options)
 	while (is_running()) {
 		WaitForSingleObject(pid->hProcess, 40);
 	}
-	return 0;
+	DWORD exit_code;
+	if (GetExitCodeProcess(pid->hProcess, &exit_code)) {
+		return exit_code;
+	}
+	return -1;
 }
 
 bool
@@ -707,7 +711,7 @@ SystemExec::wait (int options)
 			}
 		} /* else the process is still running */
 	}
-	return status;
+	return WEXITSTATUS (status);
 }
 
 bool