diff options
Diffstat (limited to 'malloc.c')
| -rw-r--r-- | malloc.c | 15 |
1 files changed, 13 insertions, 2 deletions
@@ -102,6 +102,18 @@ STATIC ptr_t GC_alloc_large_and_clear(size_t lb, int k, unsigned flags) return result; } +/* This function should be called with the allocation lock held. */ +/* At the same time, it is safe to get a value from GC_size_map not */ +/* acquiring the allocation lock provided the obtained value is used */ +/* according to the pattern given in alloc.c file (see the comment */ +/* about GC_allocobj usage and, e.g., GC_malloc_kind_global code). */ +static void fill_size_map(size_t low_limit, size_t byte_sz, size_t granule_sz) + GC_ATTR_NO_SANITIZE_THREAD +{ + for (; low_limit <= byte_sz; low_limit++) + GC_size_map[low_limit] = granule_sz; +} + /* Fill in additional entries in GC_size_map, including the i-th one. */ /* Note that a filled in section of the array ending at n always */ /* has the length of at least n/4. */ @@ -151,8 +163,7 @@ STATIC void GC_extend_size_map(size_t i) /* We may need one extra byte; do not always */ /* fill in GC_size_map[byte_sz]. */ - for (; low_limit <= byte_sz; low_limit++) - GC_size_map[low_limit] = granule_sz; + fill_size_map(low_limit, byte_sz, granule_sz); } /* Allocate lb bytes for an object of kind k. */ |