SDL_TRY_ACQUIRE_SHARED - Man Page

#include <SDL3/SDL_mutex.h>

#define SDL_TRY_ACQUIRE_SHARED(x, y) \
  SDL_THREAD_ANNOTATION_ATTRIBUTE__(try_acquire_shared_capability(x, y))

Please see https://clang.llvm.org/docs/ThreadSafetyAnalysis.html#mutex-h

This macro is available since SDL 3.2.0.