X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=generator%2Fgenerator_actions.ml;h=489631128e7aedeb5604b3343e86a05d4a803110;hb=64fcfa644aca8a83412991520f7e5b7a652e505f;hp=1ccacdb86e05995154c17eb9128e8f2c5a2780c7;hpb=bb6a1b4cdc3fc441bb10ff4b9670895c199c6206;p=libguestfs.git

diff --git a/generator/generator_actions.ml b/generator/generator_actions.ml
index 1ccacdb..4896311 100644
--- a/generator/generator_actions.ml
+++ b/generator/generator_actions.ml
@@ -1526,6 +1526,25 @@ advice before using trademarks in applications.
 
 =back");
 
+  ("set_pgroup", (RErr, [Bool "pgroup"], []), -1, [FishAlias "pgroup"],
+   [],
+   "set process group flag",
+   "\
+If C<pgroup> is true, child processes are placed into
+their own process group.
+
+The practical upshot of this is that signals like C<SIGINT> (from
+users pressing C<^C>) won't be received by the child process.
+
+The default for this flag is false, because usually you want
+C<^C> to kill the subprocess.");
+
+  ("get_pgroup", (RBool "pgroup", [], []), -1, [],
+   [],
+   "get process group flag",
+   "\
+This returns the process group flag.");
+
 ]
 
 (* daemon_functions are any functions which cause some action
@@ -1802,7 +1821,12 @@ do not overwrite original.  Overrides C<AUG_SAVE_BACKUP>.
 
 =item C<AUG_TYPE_CHECK> = 4
 
-Typecheck lenses (can be expensive).
+Typecheck lenses.
+
+This option is only useful when debugging Augeas lenses.  Use
+of this option may require additional memory for the libguestfs
+appliance.  You may need to set the C<LIBGUESTFS_MEMSIZE>
+environment variable or call C<guestfs_set_memsize>.
 
 =item C<AUG_NO_STDINC> = 8
 
@@ -2982,10 +3006,14 @@ How many blocks are zeroed isn't specified (but it's I<not> enough
 to securely wipe the device).  It should be sufficient to remove
 any partition tables, filesystem superblocks and so on.
 
+If blocks are already zero, then this command avoids writing
+zeroes.  This prevents the underlying device from becoming non-sparse
+or growing unnecessarily.
+
 See also: C<guestfs_zero_device>, C<guestfs_scrub_device>,
 C<guestfs_is_zero_device>");
 
-  ("grub_install", (RErr, [Pathname "root"; Device "device"], []), 86, [],
+  ("grub_install", (RErr, [Pathname "root"; Device "device"], []), 86, [Optional "grub"],
    (* See:
     * https://bugzilla.redhat.com/show_bug.cgi?id=484986
     * https://bugzilla.redhat.com/show_bug.cgi?id=479760
@@ -2995,12 +3023,32 @@ C<guestfs_is_zero_device>");
        ["write"; "/boot/grub/device.map"; "(hd0) /dev/vda"];
        ["grub_install"; "/"; "/dev/vda"];
        ["is_dir"; "/boot"]])],
-   "install GRUB",
+   "install GRUB 1",
    "\
-This command installs GRUB (the Grand Unified Bootloader) on
+This command installs GRUB 1 (the Grand Unified Bootloader) on
 C<device>, with the root directory being C<root>.
 
-Note: If grub-install reports the error
+Notes:
+
+=over 4
+
+=item *
+
+There is currently no way in the API to install grub2, which
+is used by most modern Linux guests.  It is possible to run
+the grub2 command from the guest, although see the
+caveats in L<guestfs(3)/RUNNING COMMANDS>.
+
+=item *
+
+This uses C<grub-install> from the host.  Unfortunately grub is
+not always compatible with itself, so this only works in rather
+narrow circumstances.  Careful testing with each guest version
+is advisable.
+
+=item *
+
+If grub-install reports the error
 \"No suitable drive was found in the generated device map.\"
 it may be that you need to create a C</boot/grub/device.map>
 file first that contains the mapping between grub device names
@@ -3009,7 +3057,9 @@ a file containing:
 
  (hd0) /dev/vda
 
-replacing C</dev/vda> with the name of the installation device.");
+replacing C</dev/vda> with the name of the installation device.
+
+=back");
 
   ("cp", (RErr, [Pathname "src"; Pathname "dest"], []), 87, [],
    [InitScratchFS, Always, TestOutput (
@@ -4824,7 +4874,9 @@ Possible values for C<parttype> are:
 
 =over 4
 
-=item B<efi> | B<gpt>
+=item B<efi>
+
+=item B<gpt>
 
 Intel EFI / GPT partition table.
 
@@ -4832,7 +4884,9 @@ This is recommended for >= 2 TB partitions that will be accessed
 from Linux and Intel-based Mac OS X.  It also has limited backwards
 compatibility with the C<mbr> format.
 
-=item B<mbr> | B<msdos>
+=item B<mbr>
+
+=item B<msdos>
 
 The standard PC \"Master Boot Record\" (MBR) format used
 by MS-DOS and Windows.  This partition type will B<only> work
@@ -4850,7 +4904,9 @@ supported include:
 
 AIX disk labels.
 
-=item B<amiga> | B<rdb>
+=item B<amiga>
+
+=item B<rdb>
 
 Amiga \"Rigid Disk Block\" format.
 
@@ -5199,7 +5255,11 @@ is not large enough.");
    "\
 This command writes zeroes over the entire C<device>.  Compare
 with C<guestfs_zero> which just zeroes the first few blocks of
-a device.");
+a device.
+
+If blocks are already zero, then this command avoids writing
+zeroes.  This prevents the underlying device from becoming non-sparse
+or growing unnecessarily.");
 
   ("txz_in", (RErr, [FileIn "tarball"; Pathname "directory"], []), 229, [Optional "xz"],
    [InitScratchFS, Always, TestOutput (