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[common] debug: add DEBUG_ASSERT macro

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This, unlike the standard assert macro, is guaranteed to print the failed
assertion to our log file, and tests the assertion even with NDEBUG defined
so we can more easily catch failures in production binaries without crashing
the program.

The motivation of this is how MinGW handles assertion failures: it creates a
dialog window that the headless user will not be able to see, and blocks the
program from being restarted by the service. Since the failed assertion is
displayed in the dialog, it doesn't print anything to the log, making it
impossible to diagnose issues.
This commit is contained in:
Quantum 2021-08-13 19:25:52 -04:00 committed by Geoffrey McRae
parent 10ee6cd031
commit be1306f91a
1 changed files with 17 additions and 0 deletions
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17
common/include/common/debug.h
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@ -97,6 +97,23 @@ void printBacktrace(void);
abort(); \
} while(0)
#define DEBUG_ASSERT_PRINT(...) DEBUG_ERROR("Assertion failed: %s", #__VA_ARGS__)
#ifdef NDEBUG
#define DEBUG_ASSERT(...) do { \
if (!(__VA_ARGS__)) \
DEBUG_ASSERT_PRINT(__VA_ARGS__); \
} while (0)
#else
#define DEBUG_ASSERT(...) do { \
if (!(__VA_ARGS__)) \
{ \
DEBUG_ASSERT_PRINT(__VA_ARGS__); \
abort(); \
} \
} while (0)
#endif
#if defined(DEBUG_SPICE) | defined(DEBUG_IVSHMEM)
#define DEBUG_PROTO(fmt, args...) DEBUG_PRINT("[P]", fmt, ##args)
#else