+void
+ssvm_delete_memfd (ssvm_private_t * memfd)
+{
+ vec_free (memfd->name);
+ clib_mem_vm_free (memfd->sh, memfd->ssvm_size);
+ close (memfd->fd);
+}
+
+/**
+ * Initialize segment in a private heap
+ */
+int
+ssvm_master_init_private (ssvm_private_t * ssvm)
+{
+ ssvm_shared_header_t *sh;
+ u32 pagesize = clib_mem_get_page_size ();
+ u32 rnd_size = 0;
+ u8 *heap;
+
+ rnd_size = (ssvm->ssvm_size + (pagesize - 1)) & ~(pagesize - 1);
+ rnd_size = clib_min (rnd_size, ((u64) 1 << 32) - pagesize);
+
+#if USE_DLMALLOC == 0
+ {
+ mheap_t *heap_header;
+
+ heap = mheap_alloc (0, rnd_size);
+ if (heap == 0)
+ {
+ clib_unix_warning ("mheap alloc");
+ return -1;
+ }
+ heap_header = mheap_header (heap);
+ heap_header->flags |= MHEAP_FLAG_THREAD_SAFE;
+ }
+#else
+ heap = create_mspace (rnd_size, 1 /* locked */ );
+#endif
+
+ ssvm->ssvm_size = rnd_size;
+ ssvm->i_am_master = 1;
+ ssvm->my_pid = getpid ();
+ ssvm->requested_va = ~0;
+
+ /* Allocate a [sic] shared memory header, in process memory... */
+ sh = clib_mem_alloc_aligned (sizeof (*sh), CLIB_CACHE_LINE_BYTES);
+ ssvm->sh = sh;
+
+ clib_memset (sh, 0, sizeof (*sh));
+ sh->heap = heap;
+ sh->type = SSVM_SEGMENT_PRIVATE;
+
+ return 0;
+}
+
+int
+ssvm_slave_init_private (ssvm_private_t * ssvm)
+{
+ clib_warning ("BUG: this should not be called!");
+ return -1;
+}
+
+void
+ssvm_delete_private (ssvm_private_t * ssvm)
+{
+ vec_free (ssvm->name);
+#if USE_DLMALLOC == 0
+ mheap_free (ssvm->sh->heap);
+#else
+ destroy_mspace (ssvm->sh->heap);
+#endif
+ clib_mem_free (ssvm->sh);
+}
+
+int
+ssvm_master_init (ssvm_private_t * ssvm, ssvm_segment_type_t type)
+{
+ return (master_init_fns[type]) (ssvm);
+}
+
+int
+ssvm_slave_init (ssvm_private_t * ssvm, ssvm_segment_type_t type)
+{
+ return (slave_init_fns[type]) (ssvm);
+}
+
+void
+ssvm_delete (ssvm_private_t * ssvm)
+{
+ delete_fns[ssvm->sh->type] (ssvm);
+}
+
+ssvm_segment_type_t
+ssvm_type (const ssvm_private_t * ssvm)
+{
+ return ssvm->sh->type;
+}
+
+u8 *
+ssvm_name (const ssvm_private_t * ssvm)
+{
+ return ssvm->sh->name;
+}
+