/* * * Copyright 2017, Google Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ // \file Arena based allocator // Allows very fast allocation of memory, but that memory cannot be freed until // the arena as a whole is freed // Tracks the total memory allocated against it, so that future arenas can // pre-allocate the right amount of memory #ifndef GRPC_CORE_LIB_SUPPORT_ARENA_H #define GRPC_CORE_LIB_SUPPORT_ARENA_H #include typedef struct gpr_arena gpr_arena; // Create an arena, with \a initial_size bytes in the first allocated buffer gpr_arena *gpr_arena_create(size_t initial_size); // Allocate \a size bytes from the arena void *gpr_arena_alloc(gpr_arena *arena, size_t size); // Destroy an arena, returning the total number of bytes allocated size_t gpr_arena_destroy(gpr_arena *arena); #endif /* GRPC_CORE_LIB_SUPPORT_ARENA_H */