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Diffstat (limited to 'tools/ocaml/libs/mmap/xenmmap.ml')
| -rw-r--r-- | tools/ocaml/libs/mmap/xenmmap.ml | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tools/ocaml/libs/mmap/xenmmap.ml b/tools/ocaml/libs/mmap/xenmmap.ml new file mode 100644 index 0000000000..44b67c89d2 --- /dev/null +++ b/tools/ocaml/libs/mmap/xenmmap.ml @@ -0,0 +1,31 @@ +(* + * Copyright (C) 2006-2007 XenSource Ltd. + * Copyright (C) 2008 Citrix Ltd. + * Author Vincent Hanquez <vincent.hanquez@eu.citrix.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; version 2.1 only. with the special + * exception on linking described in file LICENSE. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + *) + +type mmap_interface + +type mmap_prot_flag = RDONLY | WRONLY | RDWR +type mmap_map_flag = SHARED | PRIVATE + +(* mmap: fd -> prot_flag -> map_flag -> length -> offset -> interface *) +external mmap: Unix.file_descr -> mmap_prot_flag -> mmap_map_flag + -> int -> int -> mmap_interface = "stub_mmap_init" +external unmap: mmap_interface -> unit = "stub_mmap_final" +(* read: interface -> start -> length -> data *) +external read: mmap_interface -> int -> int -> string = "stub_mmap_read" +(* write: interface -> data -> start -> length -> unit *) +external write: mmap_interface -> string -> int -> int -> unit = "stub_mmap_write" +(* getpagesize: unit -> size of page *) +external getpagesize: unit -> int = "stub_mmap_getpagesize" |