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libc/mallopt: implement dummy mallopt

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refs:
https://man.freebsd.org/cgi/man.cgi?query=malloc&apropos=0&sektion=3&manpath=SunOS+4.1.3&format=html

Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
This commit is contained in:
dongjiuzhu1 2023-08-23 10:49:24 +08:00 • committed by Xiang Xiao
parent 5e3c1985e7
commit ee598b3e21
3 changed files with 51 additions and 1 deletions
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12
include/malloc.h
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@ -42,6 +42,17 @@
#define malloc_usable_size malloc_size
/* mallopt options that actually do something */
#define M_TRIM_THRESHOLD -1
#define M_TOP_PAD -2
#define M_MMAP_THRESHOLD -3
#define M_MMAP_MAX -4
#define M_CHECK_ACTION -5
#define M_PERTURB -6
#define M_ARENA_TEST -7
#define M_ARENA_MAX -8
/****************************************************************************
* Public Type Definitions
****************************************************************************/
@ -83,6 +94,7 @@ extern "C"
{
#endif
int mallopt(int param, int value);
struct mallinfo mallinfo(void);
size_t malloc_size(FAR void *ptr);
struct mallinfo_task mallinfo_task(FAR const struct malltask *task);