1// Copyright (c) 2019-2023, The Khronos Group Inc.
2//
3// SPDX-License-Identifier: Apache-2.0 OR MIT
4//
5// Initial Author: Ryan Pavlik <ryan.pavlik@collabora.com>
6//
7// Provides protection for C ABI functions if standard library functions may throw.
8
9#pragma once
10
11#ifdef OPENXR_HAVE_COMMON_CONFIG
12#include "common_config.h"
13#endif // OPENXR_HAVE_COMMON_CONFIG
14
15#ifdef XRLOADER_DISABLE_EXCEPTION_HANDLING
16
17#define XRLOADER_ABI_TRY
18#define XRLOADER_ABI_CATCH_BAD_ALLOC_OOM
19#define XRLOADER_ABI_CATCH_FALLBACK
20
21#else
22
23#include <stdexcept>
24#define XRLOADER_ABI_TRY try
25#define XRLOADER_ABI_CATCH_BAD_ALLOC_OOM \
26 catch (const std::bad_alloc&) { \
27 LoaderLogger::LogErrorMessage("", "failed allocating memory"); \
28 return XR_ERROR_OUT_OF_MEMORY; \
29 }
30#define XRLOADER_ABI_CATCH_FALLBACK \
31 catch (const std::exception& e) { \
32 LoaderLogger::LogErrorMessage("", "Unknown failure: " + std::string(e.what())); \
33 return XR_ERROR_RUNTIME_FAILURE; \
34 } \
35 catch (...) { \
36 LoaderLogger::LogErrorMessage("", "Unknown failure"); \
37 return XR_ERROR_RUNTIME_FAILURE; \
38 }
39
40#endif
41