From b2a36f204e3a748afa6d9d450a7a581bcad09081 Mon Sep 17 00:00:00 2001
From: gingerBill <bill@gingerbill.org>
Date: Wed, 29 Sep 2021 16:46:14 +0100
Subject: [PATCH] Add a mutex to `arena_free_all`

---
 core/mem/virtual/arena.odin | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/core/mem/virtual/arena.odin b/core/mem/virtual/arena.odin
index 3a6fe51b2..58c71c318 100644
--- a/core/mem/virtual/arena.odin
+++ b/core/mem/virtual/arena.odin
@@ -70,12 +70,18 @@ arena_alloc :: proc(arena: ^Arena, min_size: int, alignment: int) -> (data: []by
 }
 
 arena_free_all :: proc(arena: ^Arena) {
+	if !arena.ignore_mutex {
+		sync.mutex_lock(mutex)
+	}
 	for arena.curr_block != nil {
 		free_block := arena.curr_block
 		arena.curr_block = free_block.prev
 		memory_dealloc(free_block)
 	}
 	arena.total_used = 0
+	if !arena.ignore_mutex {
+		sync.mutex_unlock(mutex)
+	}
 }
 
 arena_allocator :: proc(arena: ^Arena) -> mem.Allocator {