From 75c289f526eb4e199d39ef8deba0ccab63b01f2d Mon Sep 17 00:00:00 2001
From: "Cameron (3539)" <theforgelover@gmail.com>
Date: Mon, 17 Feb 2025 18:58:16 -0500
Subject: [PATCH] Stop unknown coprocessor stats / no output from shell
 commands. (#1786)

Join the threads and wait for them to finish reading the input/error
streams before returning.
---
 .../main/java/org/photonvision/common/util/ShellExec.java    | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/photon-core/src/main/java/org/photonvision/common/util/ShellExec.java b/photon-core/src/main/java/org/photonvision/common/util/ShellExec.java
index 06ea32f14..59c3329cc 100644
--- a/photon-core/src/main/java/org/photonvision/common/util/ShellExec.java
+++ b/photon-core/src/main/java/org/photonvision/common/util/ShellExec.java
@@ -145,8 +145,9 @@ public class ShellExec {
         exitCode = 0;
         if (wait) {
             try {
-                process.waitFor();
-                exitCode = process.exitValue();
+                exitCode = process.waitFor();
+                errorGobbler.join();
+                outputGobbler.join();
             } catch (InterruptedException ignored) {
             }
         }