diff options
Diffstat (limited to 'malloc/malloc.c')
| -rw-r--r-- | malloc/malloc.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c index dcc54c46f1..a41171490a 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -1709,7 +1709,7 @@ struct malloc_chunk { chunk-> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Size of previous chunk, if allocated | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - | Size of chunk, in bytes |P| + | Size of chunk, in bytes |M|P| mem-> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | User data starts here... . . . @@ -1771,7 +1771,7 @@ nextchunk-> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ MINSIZE bytes long, it is replenished. 2. Chunks allocated via mmap, which have the second-lowest-order - bit (IS_MMAPPED) set in their size fields. Because they are + bit M (IS_MMAPPED) set in their size fields. Because they are allocated one-by-one, each must contain its own trailing size field. */ @@ -3530,6 +3530,13 @@ public_vALLOc(size_t bytes) if(__malloc_initialized < 0) ptmalloc_init (); + + __malloc_ptr_t (*hook) __MALLOC_PMT ((size_t, size_t, + __const __malloc_ptr_t)) = + __memalign_hook; + if (hook != NULL) + return (*hook)(mp_.pagesize, bytes, RETURN_ADDRESS (0)); + arena_get(ar_ptr, bytes + mp_.pagesize + MINSIZE); if(!ar_ptr) return 0; @@ -3546,6 +3553,15 @@ public_pVALLOc(size_t bytes) if(__malloc_initialized < 0) ptmalloc_init (); + + __malloc_ptr_t (*hook) __MALLOC_PMT ((size_t, size_t, + __const __malloc_ptr_t)) = + __memalign_hook; + if (hook != NULL) + return (*hook)(mp_.pagesize, + (bytes + mp_.pagesize - 1) & ~(mp_.pagesize - 1), + RETURN_ADDRESS (0)); + arena_get(ar_ptr, bytes + 2*mp_.pagesize + MINSIZE); p = _int_pvalloc(ar_ptr, bytes); (void)mutex_unlock(&ar_ptr->mutex); |