From bdcd0c2fdae278eaafdaaf32003fce5598f476eb Mon Sep 17 00:00:00 2001
From: "Justin C. Miller" <justin@devjustinian.com>
Date: Wed, 6 Jan 2021 23:25:48 -0800
Subject: [PATCH] [kernel] Clean up process::exit

Make process::exit slightly more resilient to being called again.
---
 src/kernel/objects/process.cpp | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/kernel/objects/process.cpp b/src/kernel/objects/process.cpp
index 7cdf6a3..bf1f29f 100644
--- a/src/kernel/objects/process.cpp
+++ b/src/kernel/objects/process.cpp
@@ -52,16 +52,13 @@ void
 process::exit(unsigned code)
 {
 	// TODO: make this thread-safe
-	if (m_state != state::running)
-		return;
-	else
-		m_state = state::exited;
+	m_state = state::exited;
+	m_return_code = code;
+	close();
 
 	for (auto *thread : m_threads) {
 		thread->exit(code);
 	}
-	m_return_code = code;
-	close();
 
 	if (this == bsp_cpu_data.p)
 		scheduler::get().schedule();