alloc.h 1.5 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152
  1. /*
  2. *
  3. * Copyright 2015 gRPC authors.
  4. *
  5. * Licensed under the Apache License, Version 2.0 (the "License");
  6. * you may not use this file except in compliance with the License.
  7. * You may obtain a copy of the License at
  8. *
  9. * http://www.apache.org/licenses/LICENSE-2.0
  10. *
  11. * Unless required by applicable law or agreed to in writing, software
  12. * distributed under the License is distributed on an "AS IS" BASIS,
  13. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. * See the License for the specific language governing permissions and
  15. * limitations under the License.
  16. *
  17. */
  18. #ifndef GRPC_SUPPORT_ALLOC_H
  19. #define GRPC_SUPPORT_ALLOC_H
  20. #include <grpc/support/port_platform.h>
  21. #include <stddef.h>
  22. #ifdef __cplusplus
  23. extern "C" {
  24. #endif
  25. /** malloc.
  26. * If size==0, always returns NULL. Otherwise this function never returns NULL.
  27. * The pointer returned is suitably aligned for any kind of variable it could
  28. * contain.
  29. */
  30. GPRAPI void* gpr_malloc(size_t size);
  31. /** like malloc, but zero all bytes before returning them */
  32. GPRAPI void* gpr_zalloc(size_t size);
  33. /** free */
  34. GPRAPI void gpr_free(void* ptr);
  35. /** realloc, never returns NULL */
  36. GPRAPI void* gpr_realloc(void* p, size_t size);
  37. /** aligned malloc, never returns NULL, will align to alignment, which
  38. * must be a power of 2. */
  39. GPRAPI void* gpr_malloc_aligned(size_t size, size_t alignment);
  40. /** free memory allocated by gpr_malloc_aligned */
  41. GPRAPI void gpr_free_aligned(void* ptr);
  42. #ifdef __cplusplus
  43. }
  44. #endif
  45. #endif /* GRPC_SUPPORT_ALLOC_H */