"\
Return the direct appliance mode flag.");
+ ("set_recovery_proc", (RErr, [Bool "recoveryproc"]), -1, [FishAlias "recovery-proc"],
+ [InitNone, Always, TestOutputTrue (
+ [["set_recovery_proc"; "true"];
+ ["get_recovery_proc"]])],
+ "enable or disable the recovery process",
+ "\
+If this is called with the parameter C<false> then
+C<guestfs_launch> does not create a recovery process. The
+purpose of the recovery process is to stop runaway qemu
+processes in the case where the main program aborts abruptly.
+
+This only has any effect if called before C<guestfs_launch>,
+and the default is true.
+
+About the only time when you would want to disable this is
+if the main process will fork itself into the background
+(\"daemonize\" itself). In this case the recovery process
+thinks that the main program has disappeared and so kills
+qemu, which is not very helpful.");
+
+ ("get_recovery_proc", (RBool "recoveryproc", []), -1, [],
+ [],
+ "get recovery process enabled flag",
+ "\
+Return the recovery process enabled flag.");
+
]
(* daemon_functions are any functions which cause some action
List.iter (
function
| Pathname n | Device n | Dev_or_Path n | String n ->
- pr " string %s<>;\n" n
+ pr " string %s<>;\n" n
| OptString n -> pr " str *%s;\n" n
| StringList n | DeviceList n -> pr " str %s<>;\n" n
| Bool n -> pr " bool %s;\n" n
else "" in
pr " if (";
- pr "strcasecmp (cmd, \"%s\") == 0" name;
+ pr "STRCASEEQ (cmd, \"%s\")" name;
if name <> name2 then
- pr " || strcasecmp (cmd, \"%s\") == 0" name2;
+ pr " || STRCASEEQ (cmd, \"%s\")" name2;
if name <> alias then
- pr " || strcasecmp (cmd, \"%s\") == 0" alias;
+ pr " || STRCASEEQ (cmd, \"%s\")" alias;
pr ")\n";
pr " pod2text (\"%s\", _(\"%s\"), %S);\n"
name2 shortdesc
function
| Device name
| String name ->
- pr " %s = argv[%d];\n" name i
+ pr " %s = argv[%d];\n" name i
| Pathname name
| Dev_or_Path name ->
- pr " %s = resolve_win_path (argv[%d]);\n" name i;
- pr " if (%s == NULL) return -1;\n" name
+ pr " %s = resolve_win_path (argv[%d]);\n" name i;
+ pr " if (%s == NULL) return -1;\n" name
| OptString name ->
pr " %s = strcmp (argv[%d], \"\") != 0 ? argv[%d] : NULL;\n"
name i i
try find_map (function FishAlias n -> Some n | _ -> None) flags
with Not_found -> name in
pr " if (";
- pr "strcasecmp (cmd, \"%s\") == 0" name;
+ pr "STRCASEEQ (cmd, \"%s\")" name;
if name <> name2 then
- pr " || strcasecmp (cmd, \"%s\") == 0" name2;
+ pr " || STRCASEEQ (cmd, \"%s\")" name2;
if name <> alias then
- pr " || strcasecmp (cmd, \"%s\") == 0" alias;
+ pr " || STRCASEEQ (cmd, \"%s\")" alias;
pr ")\n";
pr " return run_%s (cmd, argc, argv);\n" name;
pr " else\n";
exception Error of string
(** This exception is raised when there is an error. *)
+exception Handle_closed of string
+(** This exception is raised if you use a {!Guestfs.t} handle
+ after calling {!close} on it. The string is the name of
+ the function. *)
+
val create : unit -> t
+(** Create a {!Guestfs.t} handle. *)
val close : t -> unit
-(** Handles are closed by the garbage collector when they become
- unreferenced, but callers can also call this in order to
- provide predictable cleanup. *)
+(** Close the {!Guestfs.t} handle and free up all resources used
+ by it immediately.
+
+ Handles are closed by the garbage collector when they become
+ unreferenced, but callers can call this in order to provide
+ predictable cleanup. *)
";
generate_ocaml_structure_decls ();
generate_ocaml_prototype name style;
pr "(** %s *)\n" shortdesc;
pr "\n"
- ) all_functions
+ ) all_functions_sorted
(* Generate the OCaml bindings implementation. *)
and generate_ocaml_ml () =
pr "\
type t
+
exception Error of string
+exception Handle_closed of string
+
external create : unit -> t = \"ocaml_guestfs_create\"
external close : t -> unit = \"ocaml_guestfs_close\"
+(* Give the exceptions names, so they can be raised from the C code. *)
let () =
- Callback.register_exception \"ocaml_guestfs_error\" (Error \"\")
+ Callback.register_exception \"ocaml_guestfs_error\" (Error \"\");
+ Callback.register_exception \"ocaml_guestfs_closed\" (Handle_closed \"\")
";
List.iter (
fun (name, style, _, _, _, shortdesc, _) ->
generate_ocaml_prototype ~is_external:true name style;
- ) all_functions
+ ) all_functions_sorted
(* Generate the OCaml bindings C implementation. *)
and generate_ocaml_c () =
(* The wrappers. *)
List.iter (
fun (name, style, _, _, _, _, _) ->
+ pr "/* Automatically generated wrapper for function\n";
+ pr " * ";
+ generate_ocaml_prototype name style;
+ pr " */\n";
+ pr "\n";
+
let params =
"gv" :: List.map (fun arg -> name_of_argt arg ^ "v") (snd style) in
pr "/* Emit prototype to appease gcc's -Wmissing-prototypes. */\n";
pr "CAMLprim value ocaml_guestfs_%s (value %s" name (List.hd params);
List.iter (pr ", value %s") (List.tl params); pr ");\n";
+ pr "\n";
pr "CAMLprim value\n";
pr "ocaml_guestfs_%s (value %s" name (List.hd params);
pr " guestfs_h *g = Guestfs_val (gv);\n";
pr " if (g == NULL)\n";
- pr " caml_failwith (\"%s: used handle after closing it\");\n" name;
+ pr " ocaml_guestfs_raise_closed (\"%s\");\n" name;
pr "\n";
List.iter (
| StringList n | DeviceList n ->
pr " ocaml_guestfs_free_strings (%s);\n" n;
| Pathname _ | Device _ | Dev_or_Path _ | String _ | OptString _
- | Bool _ | Int _ | Int64 _
+ | Bool _ | Int _ | Int64 _
| FileIn _ | FileOut _ -> ()
) (snd style);
pr "}\n";
pr "\n"
)
- ) all_functions
+ ) all_functions_sorted
and generate_ocaml_structure_decls () =
List.iter (
List.iter (
function
| Pathname _ | Device _ | Dev_or_Path _ | String _ | OptString _
- | Bool _ | Int _ | Int64 _
+ | Bool _ | Int _ | Int64 _
| FileIn _ | FileOut _ -> ()
| StringList n | DeviceList n -> pr " free (%s);\n" n
) (snd style)
| Bool _ -> pr "i" (* XXX Python has booleans? *)
| Int _ -> pr "i"
| Int64 _ -> pr "L" (* XXX Whoever thought it was a good idea to
- * emulate C's int/long/long long in Python?
- *)
+ * emulate C's int/long/long long in Python?
+ *)
) (snd style);
pr ":guestfs_%s\",\n" name;
pr " &py_g";
pr " free (%s);\n" n
| Bool n
| Int n
- | Int64 n -> ()
+ | Int64 n -> ()
) (snd style);
(* Check for errors. *)
pr "
) where
+
+-- Unfortunately some symbols duplicate ones already present
+-- in Prelude. We don't know which, so we hard-code a list
+-- here.
+import Prelude hiding (truncate)
+
import Foreign
import Foreign.C
import Foreign.C.Types
git.annexia.org / libguestfs.git / blobdiff