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[MALLOC_DEBUG]: Keep track of current maximum number of mmaps. n_mmaps_max is the target.

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This commit is contained in:
Ulrich Drepper
2007-05-13 20:32:57 +00:00
parent 11ed671328
commit bf98bd2966
3 changed files with 39 additions and 4 deletions
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11
malloc/hooks.c
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@ -1,5 +1,5 @@
/* Malloc implementation for multiple threads without lock contention.
Copyright (C) 2001,2002,2003,2004,2005,2006 Free Software Foundation, Inc.
Copyright (C) 2001-2006, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Wolfram Gloger <wg@malloc.de>, 2001.
@ -507,6 +507,9 @@ struct malloc_save_state {
unsigned long trim_threshold;
unsigned long top_pad;
unsigned int n_mmaps_max;
#if MALLOC_DEBUG
unsigned int n_mmaps_cmax;
#endif
unsigned long mmap_threshold;
int check_action;
unsigned long max_sbrked_mem;
@ -550,6 +553,9 @@ public_gET_STATe(void)
ms->trim_threshold = mp_.trim_threshold;
ms->top_pad = mp_.top_pad;
ms->n_mmaps_max = mp_.n_mmaps_max;
#if MALLOC_DEBUG
ms->n_mmaps_cmax = mp_.n_mmaps_cmax;
#endif
ms->mmap_threshold = mp_.mmap_threshold;
ms->check_action = check_action;
ms->max_sbrked_mem = main_arena.max_system_mem;
@ -621,6 +627,9 @@ public_sET_STATe(Void_t* msptr)
mp_.trim_threshold = ms->trim_threshold;
mp_.top_pad = ms->top_pad;
mp_.n_mmaps_max = ms->n_mmaps_max;
#if MALLOC_DEBUG
mp_.n_mmaps_cmax = ms->n_mmaps_cmax;
#endif
mp_.mmap_threshold = ms->mmap_threshold;
check_action = ms->check_action;
main_arena.max_system_mem = ms->max_sbrked_mem;