diff options
Diffstat (limited to 'newlib/libc/include/malloc.h')
| -rw-r--r-- | newlib/libc/include/malloc.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/newlib/libc/include/malloc.h b/newlib/libc/include/malloc.h index 90f877f6f..5ccdda61c 100644 --- a/newlib/libc/include/malloc.h +++ b/newlib/libc/include/malloc.h @@ -75,6 +75,20 @@ extern int _malloc_trim_r _PARAMS ((struct _reent *, size_t)); extern _VOID mstats _PARAMS ((char *)); extern _VOID _mstats_r _PARAMS ((struct _reent *, char *)); +/* SVID2/XPG mallopt options */ + +#define M_MXFAST 1 /* UNUSED in this malloc */ +#define M_NLBLKS 2 /* UNUSED in this malloc */ +#define M_GRAIN 3 /* UNUSED in this malloc */ +#define M_KEEP 4 /* UNUSED in this malloc */ + +/* 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 + #ifndef __CYGWIN__ /* Some systems provide this, so do too for compatibility. */ extern void cfree _PARAMS ((_PTR)); |