Man page - sdl_thread_annotation_attribute__(3)

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Package: libsdl3-doc
apt-get install libsdl3-doc

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SDL_THREAD_ANNOTATION_ATTRIBUTE__ - Enable thread safety attributes, only with clang.

Defined in SDL3/SDL_mutex.h

#include "SDL3/SDL.h"

#define SDL_THREAD_ANNOTATION_ATTRIBUTE__(x) __attribute__((x))

The attributes can be safely erased when compiling with other compilers.

To enable analysis, set these environment variables before running cmake:

export CC=clang
export CFLAGS="-DSDL_THREAD_SAFETY_ANALYSIS -Wthread-safety"