gprofng/libcollector/memmgr.h

   1 /* Copyright (C) 2021-2023 Free Software Foundation, Inc.
   2    Contributed by Oracle.
   3
   4    This file is part of GNU Binutils.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3, or (at your option)
   9    any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, 51 Franklin Street - Fifth Floor, Boston,
  19    MA 02110-1301, USA.  */
  20
  21 #ifndef _MEMMGR_H
  22 #define _MEMMGR_H
  23
  24 struct Heap;
  25 typedef struct Heap Heap;
  26
  27 Heap *__collector_newHeap ();
  28 void __collector_deleteHeap (Heap *heap);
  29
  30 /*
  31  * Initialize memmgr mutex locks.
  32  */
  33 void __collector_mmgr_init_mutex_locks (Heap *heap);
  34
  35 /*
  36  * Allocate non-resizable memory.
  37  */
  38 void *__collector_allocCSize (Heap *heap, unsigned sz, int log);
  39
  40 /*
  41  * Free non-resizable memory.
  42  */
  43 void __collector_freeCSize (Heap *heap, void *ptr, unsigned sz);
  44
  45 /*
  46  * Allocate resizable memory
  47  */
  48 void *__collector_allocVSize (Heap *heap, unsigned sz);
  49
  50 /*
  51  * Change size of resizable memory.
  52  * ptr - if not NULL, it must have been previously allocated from
  53  *       the same heap, otherwise returns allocVSize(heap, newsz);
  54  * newsz - new size; if 0, memory is freed and no new allocation
  55  *       occurs;
  56  */
  57 void *__collector_reallocVSize (Heap *heap, void *ptr, unsigned newsz);
  58
  59 #endif