ibnos/allocator_8h_source.html

 /*
  * Copyright (c) 2014, Michael Müller
  * Copyright (c) 2014, Sebastian Lackner
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  * 1. Redistributions of source code must retain the above copyright notice, this
  *    list of conditions and the following disclaimer.
  * 2. 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.
  *
  * 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.
  *
  */

 #ifndef _H_ALLOCATOR_
 #define _H_ALLOCATOR_

 #ifdef __KERNEL__

     void *heapAlloc(uint32_t length);
     void heapFree(void *addr);
     uint32_t heapSize(void *addr);
     void *heapReAlloc(void *addr, uint32_t length);
     void heapVerify();

 #endif

 #endif /* _H_ALLOCATOR_ */
heapReAlloc
void * heapReAlloc(void *addr, uint32_t length)
Resizes a block of kernel memory.
Definition: allocator.c:439

heapAlloc
void * heapAlloc(uint32_t length)
Allocates a block of kernel memory.
Definition: allocator.c:363

heapFree
void heapFree(void *addr)
Deallocates a block of kernel memory.
Definition: allocator.c:385

heapVerify
void heapVerify()
Runs some internal checks to ensure that the heap is still valid.
Definition: allocator.c:485

heapSize
uint32_t heapSize(void *addr)
Determines the size of a specific kernel memory block.
Definition: allocator.c:411