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add check for if commit fails in segment allocation

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daan 2020-04-23 17:28:44 -07:00
parent 15bb20f9e6
commit 0d3c141243
1 changed files with 6 additions and 1 deletions
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7
src/segment.c
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@ -627,8 +627,13 @@ static mi_segment_t* mi_segment_init(mi_segment_t* segment, size_t required, mi_
if (!commit) { if (!commit) {
// ensure the initial info is committed // ensure the initial info is committed
bool commit_zero = false; bool commit_zero = false;
_mi_mem_commit(segment, pre_size, &commit_zero, tld->os); bool ok = _mi_mem_commit(segment, pre_size, &commit_zero, tld->os);
if (commit_zero) is_zero = true; if (commit_zero) is_zero = true;
if (!ok) {
// commit failed; we cannot touch the memory: free the segment directly and return `NULL`
_mi_mem_free(segment, MI_SEGMENT_SIZE, memid, false, false, os_tld);
return NULL;
}
} }
segment->memid = memid; segment->memid = memid;
segment->mem_is_fixed = mem_large; segment->mem_is_fixed = mem_large;