vk-unittest: fix crash when unloading shared lib twice

We explicitly call Driver::unload, but so does the dtor. We just needed to clear the dll member after unloading. Bug: b/177624844 Change-Id: If587df197c2e6242892e41e715885a92167730a7 Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/52752 Kokoro-Result: kokoro <noreply+kokoro@google.com> Tested-by: Antonio Maiorano <amaiorano@google.com> Commit-Queue: Antonio Maiorano <amaiorano@google.com> Reviewed-by: Nicolas Capens <nicolascapens@google.com>

vk-unittest: fix crash when unloading shared lib twice
5ddc80f2 · Antonio Maiorano · swiftshader-scoped@luci-project-accounts.iam.gserviceaccount.com · a421556a · 5ddc80f2
Commit 5ddc80f2 authored Feb 10, 2021 by Antonio Maiorano Committed by swiftshader-scoped@luci-project-accounts.iam.gserviceaccount.com Feb 16, 2021
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Driver.cpp tests/VulkanUnitTests/Driver.cpp +2 -0

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--- a/tests/VulkanUnitTests/Driver.cpp
+++ b/tests/VulkanUnitTests/Driver.cpp
@@ -153,6 +153,8 @@ void Driver::unload()
 	dlclose(dll);
 #endif

+	dll = nullptr;
+
 #define VK_GLOBAL(N, R, ...) N = nullptr
 #include "VkGlobalFuncs.hpp"
 #undef VK_GLOBAL