Function emscripten_atomic_add_u8

system/include/emscripten/atomic.h:113–115

Each of the functions below (add, sub, and, or, xor) return the value that was in the memory location before the operation occurred.

// Each of the functions below (add, sub, and, or, xor) return the value that
// was in the memory location before the operation occurred.
_EM_INLINE uint8_t emscripten_atomic_add_u8(void /*uint8_t*/* _Nonnull addr, uint8_t val) {
  return __c11_atomic_fetch_add((_Atomic uint8_t*)addr, val, __ATOMIC_SEQ_CST);
}
_EM_INLINE uint16_t emscripten_atomic_add_u16(void /*uint16_t*/* _Nonnull addr, uint16_t val) {
  return __c11_atomic_fetch_add((_Atomic uint16_t*)addr, val, __ATOMIC_SEQ_CST);
}