From 6ef6227b3a4e75117323abefccf919c78e2947bf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Wi=C5=9Bniewski?= <jan.wisniewski@phoenix-rtos.com>
Date: Wed, 15 May 2024 16:59:17 +0200
Subject: [PATCH] sys/threads: add assert(mutex_get(h) >= 0)

---
 sys/threads.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/threads.c b/sys/threads.c
index 42ecf873..34c9d73e 100644
--- a/sys/threads.c
+++ b/sys/threads.c
@@ -15,12 +15,14 @@
 
 #include <sys/threads.h>
 #include <errno.h>
+#include <assert.h>
 
 
 int mutexLock(handle_t m)
 {
 	int err;
 	while ((err = phMutexLock(m)) == -EINTR) ;
+	assert(err >= 0); /* this will fail on uninitialized/destroyed mutex */
 	return err;
 }