bztalloc.h 1.5 KB

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  1. /*
  2. * bztalloc.h
  3. * https://gitlab.com/bztsrc/bztalloc
  4. *
  5. * Copyright (C) 2016 bzt (bztsrc@gitlab)
  6. *
  7. * Permission is hereby granted, free of charge, to any person
  8. * obtaining a copy of this software and associated documentation
  9. * files (the "Software"), to deal in the Software without
  10. * restriction, including without limitation the rights to use, copy,
  11. * modify, merge, publish, distribute, sublicense, and/or sell copies
  12. * of the Software, and to permit persons to whom the Software is
  13. * furnished to do so, subject to the following conditions:
  14. *
  15. * The above copyright notice and this permission notice shall be
  16. * included in all copies or substantial portions of the Software.
  17. *
  18. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  22. * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  23. * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  24. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  25. * DEALINGS IN THE SOFTWARE.
  26. *
  27. * @brief Memory allocator and deallocator
  28. */
  29. #define ALLOCSIZE (PAGESIZE/8*PAGESIZE) //one alloc slot is 2M
  30. #define ARENASIZE (ALLOCSIZE) //space for 256k pointers
  31. void bzt_free(uint64_t *arena, void *ptr);
  32. __attribute__((malloc)) void *bzt_alloc(uint64_t *arena,size_t a,void *ptr,size_t s,int flag);