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| author | Thomas Voss <mail@thomasvoss.com> | 2024-04-27 22:19:05 +0200 |
|---|---|---|
| committer | Thomas Voss <mail@thomasvoss.com> | 2024-04-27 22:19:05 +0200 |
| commit | f3a7f87cc18352110a7b95d64bb4dba0d119ad37 (patch) | |
| tree | 80e8683fde9a3278d45d4a764e2ce910ce31a2f5 | |
| parent | 6f99a07cfa20a8af30b77f101e3195add723cc03 (diff) | |
Explicitly save errno on failure in mkregion()
| -rw-r--r-- | lib/alloc/arena_alloc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/alloc/arena_alloc.c b/lib/alloc/arena_alloc.c index eceb5b9..814b0bb 100644 --- a/lib/alloc/arena_alloc.c +++ b/lib/alloc/arena_alloc.c @@ -31,7 +31,9 @@ mkregion(size_t cap) MAP_PRIVATE | MAP_ANONYMOUS, -1, 0), }; if (r->data == MAP_FAILED) { + int save = errno; free(r); + errno = save; return nullptr; } return r; |