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-rwxr-xr-xsrc/generator.ml52
1 files changed, 46 insertions, 6 deletions
diff --git a/src/generator.ml b/src/generator.ml
index 8c75b933..34b22410 100755
--- a/src/generator.ml
+++ b/src/generator.ml
@@ -380,6 +380,25 @@ This returns the current state as an opaque integer. This is
only useful for printing debug and internal error messages.
For more information on states, see L<guestfs(3)>.");
+
+ ("set_busy", (RErr, []), -1, [NotInFish],
+ [],
+ "set state to busy",
+ "\
+This sets the state to C<BUSY>. This is only used when implementing
+actions using the low-level API.
+
+For more information on states, see L<guestfs(3)>.");
+
+ ("set_ready", (RErr, []), -1, [NotInFish],
+ [],
+ "set state to ready",
+ "\
+This sets the state to C<READY>. This is only used when implementing
+actions using the low-level API.
+
+For more information on states, see L<guestfs(3)>.");
+
]
let daemon_functions = [
@@ -1932,7 +1951,7 @@ const GUESTFS_PROGRAM = 0x2000F5F5;
const GUESTFS_PROTOCOL_VERSION = 1;
/* These constants must be larger than any possible message length. */
-const GUESTFS_LAUNCH_FLAG = 0xf5f55f5f;
+const GUESTFS_LAUNCH_FLAG = 0xf5f55ff5;
const GUESTFS_CANCEL_FLAG = 0xffffeeee;
enum guestfs_message_direction {
@@ -2210,6 +2229,7 @@ check_state (guestfs_h *g, const char *caller)
pr " int serial;\n";
pr "\n";
pr " if (check_state (g, \"%s\") == -1) return %s;\n" name error_code;
+ pr " guestfs_set_busy (g);\n";
pr "\n";
pr " memset (&ctx, 0, sizeof ctx);\n";
pr "\n";
@@ -2240,21 +2260,33 @@ check_state (guestfs_h *g, const char *caller)
pr " (xdrproc_t) xdr_%s_args, (char *) &args);\n"
name;
);
- pr " if (serial == -1)\n";
+ pr " if (serial == -1) {\n";
+ pr " guestfs_set_ready (g);\n";
pr " return %s;\n" error_code;
+ pr " }\n";
pr "\n";
(* Send any additional files (FileIn) requested. *)
List.iter (
function
| FileIn n ->
- pr " if (guestfs__send_file_sync (g, %s) == -1)\n" n;
- pr " return %s;\n" error_code;
+ pr " {\n";
+ pr " int r;\n";
+ pr "\n";
+ pr " r = guestfs__send_file_sync (g, %s);\n" n;
+ pr " if (r == -1) {\n";
+ pr " guestfs_set_ready (g);\n";
+ pr " return %s;\n" error_code;
+ pr " }\n";
+ pr " if (r == -2) /* daemon cancelled */\n";
+ pr " goto read_reply;\n";
+ pr " }\n";
pr "\n";
| _ -> ()
) (snd style);
(* Wait for the reply from the remote end. *)
+ pr " read_reply:\n";
pr " guestfs__switch_to_receiving (g);\n";
pr " ctx.cb_sequence = 0;\n";
pr " guestfs_set_reply_callback (g, %s_reply_cb, &ctx);\n" shortname;
@@ -2262,17 +2294,21 @@ check_state (guestfs_h *g, const char *caller)
pr " guestfs_set_reply_callback (g, NULL, NULL);\n";
pr " if (ctx.cb_sequence != 1001) {\n";
pr " error (g, \"%%s reply failed, see earlier error messages\", \"%s\");\n" name;
+ pr " guestfs_set_ready (g);\n";
pr " return %s;\n" error_code;
pr " }\n";
pr "\n";
- pr " if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_%s, serial) == -1)\n"
+ pr " if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_%s, serial) == -1) {\n"
(String.uppercase shortname);
+ pr " guestfs_set_ready (g);\n";
pr " return %s;\n" error_code;
+ pr " }\n";
pr "\n";
pr " if (ctx.hdr.status == GUESTFS_STATUS_ERROR) {\n";
pr " error (g, \"%%s\", ctx.err.error_message);\n";
+ pr " guestfs_set_ready (g);\n";
pr " return %s;\n" error_code;
pr " }\n";
pr "\n";
@@ -2281,12 +2317,16 @@ check_state (guestfs_h *g, const char *caller)
List.iter (
function
| FileOut n ->
- pr " if (guestfs__receive_file_sync (g, %s) == -1)\n" n;
+ pr " if (guestfs__receive_file_sync (g, %s) == -1) {\n" n;
+ pr " guestfs_set_ready (g);\n";
pr " return %s;\n" error_code;
+ pr " }\n";
pr "\n";
| _ -> ()
) (snd style);
+ pr " guestfs_set_ready (g);\n";
+
(match fst style with
| RErr -> pr " return 0;\n"
| RInt n | RInt64 n | RBool n ->