Function _mi_prim_commit

system/lib/mimalloc/src/prim/windows/prim.c:368–383

#endif

int _mi_prim_commit(void* addr, size_t size, bool* is_zero) {
  *is_zero = false;
  /*
  // zero'ing only happens on an initial commit... but checking upfront seems expensive..
  _MEMORY_BASIC_INFORMATION meminfo; _mi_memzero_var(meminfo);
  if (VirtualQuery(addr, &meminfo, size) > 0) {
    if ((meminfo.State & MEM_COMMIT) == 0) {
      *is_zero = true;
    }
  }
  */
  // commit
  void* p = VirtualAlloc(addr, size, MEM_COMMIT, PAGE_READWRITE);
  if (p == NULL) return (int)GetLastError();
  return 0;
}

int _mi_prim_decommit(void* addr, size_t size, bool* needs_recommit) {
  BOOL ok = VirtualFree(addr, size, MEM_DECOMMIT);