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be explicit about memory tracking in os.c

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daanx 2023-04-23 16:40:01 -07:00
parent c9dd6f6dc9
commit 7f93bf02c9
4 changed files with 26 additions and 7 deletions
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4
src/prim/unix/prim.c
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@ -190,7 +190,11 @@ static void* unix_mmap_prim(void* addr, size_t size, size_t try_alignment, int p
if (hint != NULL) {
p = mmap(hint, size, protect_flags, flags, fd, 0);
if (p==MAP_FAILED || !_mi_is_aligned(p,try_alignment)) {
#if MI_TRACK_ENABLED // asan sometimes does not instrument errno correctly?
int err = 0;
#else
int err = errno;
#endif
_mi_warning_message("unable to directly request hinted aligned OS memory (error: %d (0x%x), size: 0x%zx bytes, alignment: 0x%zx, hint address: %p)\n", err, err, size, try_alignment, hint);
}
if (p!=MAP_FAILED) return p;