mirrors
/
mimalloc
mirror of https://github.com/microsoft/mimalloc
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

set initially_zero for arena_static_zalloc

This commit is contained in:
daanx 2024-02-29 12:03:28 -08:00
parent 7020ed5e52
commit 8f353d8005
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/arena.c
View File

@ -162,6 +162,7 @@ static void* mi_arena_static_zalloc(size_t size, size_t alignment, mi_memid_t* m
// success
*memid = _mi_memid_create(MI_MEM_STATIC);
memid->initially_zero = true;
const size_t start = _mi_align_up(oldtop, alignment);
uint8_t* const p = &mi_arena_static[start];
_mi_memzero(p, size);
@ -179,8 +180,10 @@ static void* mi_arena_meta_zalloc(size_t size, mi_memid_t* memid, mi_stats_t* st
p = _mi_os_alloc(size, memid, stats);
if (p == NULL) return NULL;
// zero the OS memory if needed
if (!memid->initially_zero) {
_mi_memzero_aligned(p, size);
memid->initially_zero = true;
}
return p;
}