dvector.cpp 3.0 KB

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  1. /*************************************************************************/
  2. /* dvector.cpp */
  3. /*************************************************************************/
  4. /* This file is part of: */
  5. /* GODOT ENGINE */
  6. /* http://www.godotengine.org */
  7. /*************************************************************************/
  8. /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
  9. /* */
  10. /* Permission is hereby granted, free of charge, to any person obtaining */
  11. /* a copy of this software and associated documentation files (the */
  12. /* "Software"), to deal in the Software without restriction, including */
  13. /* without limitation the rights to use, copy, modify, merge, publish, */
  14. /* distribute, sublicense, and/or sell copies of the Software, and to */
  15. /* permit persons to whom the Software is furnished to do so, subject to */
  16. /* the following conditions: */
  17. /* */
  18. /* The above copyright notice and this permission notice shall be */
  19. /* included in all copies or substantial portions of the Software. */
  20. /* */
  21. /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
  22. /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
  23. /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  24. /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
  25. /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
  26. /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
  27. /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
  28. /*************************************************************************/
  29. #include "dvector.h"
  30. Mutex *dvector_lock = NULL;
  31. PoolAllocator *MemoryPool::memory_pool = NULL;
  32. uint8_t *MemoryPool::pool_memory = NULL;
  33. size_t *MemoryPool::pool_size = NULL;
  34. MemoryPool::Alloc *MemoryPool::allocs = NULL;
  35. MemoryPool::Alloc *MemoryPool::free_list = NULL;
  36. uint32_t MemoryPool::alloc_count = 0;
  37. uint32_t MemoryPool::allocs_used = 0;
  38. Mutex *MemoryPool::alloc_mutex = NULL;
  39. size_t MemoryPool::total_memory = 0;
  40. size_t MemoryPool::max_memory = 0;
  41. void MemoryPool::setup(uint32_t p_max_allocs) {
  42. allocs = memnew_arr(Alloc, p_max_allocs);
  43. alloc_count = p_max_allocs;
  44. allocs_used = 0;
  45. for (uint32_t i = 0; i < alloc_count - 1; i++) {
  46. allocs[i].free_list = &allocs[i + 1];
  47. }
  48. free_list = &allocs[0];
  49. alloc_mutex = Mutex::create();
  50. }
  51. void MemoryPool::cleanup() {
  52. memdelete_arr(allocs);
  53. memdelete(alloc_mutex);
  54. ERR_EXPLAINC("There are still MemoryPool allocs in use at exit!");
  55. ERR_FAIL_COND(allocs_used > 0);
  56. }