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authorLudovic Courtès <ludo@gnu.org>2019-09-03 21:36:29 +0200
committerLudovic Courtès <ludo@gnu.org>2019-09-08 11:49:24 +0200
commit2e3e5d21988fc2cafb2a9eaf4b00976ea425629d (patch)
treeee72b469abb0463ac9ed60258419f028c06f15c6 /doc
parent7fcc2f93552bfb6ebb96cb9e1b47876a92fb0173 (diff)
downloadguix-2e3e5d21988fc2cafb2a9eaf4b00976ea425629d.tar.gz
daemon: Invoke 'guix gc --list-busy' instead of 'list-runtime-roots'.
* nix/scripts/list-runtime-roots.in: Remove.
* guix/store/roots.scm (%proc-directory): New variable.
(proc-file-roots, proc-exe-roots, proc-cwd-roots)
(proc-fd-roots, proc-maps-roots, proc-environ-roots)
(referenced-files, canonicalize-store-item, busy-store-items): New
procedures, taken from 'list-runtime-roots.in'.
* nix/libstore/globals.hh (Settings)[guixProgram]: New field.
* nix/libstore/globals.cc (Settings::processEnvironment): Initialize
'guixProgram'.
* nix/libstore/gc.cc (addAdditionalRoots): Drop code related to
'NIX_ROOT_FINDER'.  Run "guix gc --list-busy".
* nix/local.mk (nodist_pkglibexec_SCRIPTS): Remove
'scripts/list-runtime-roots'.
* config-daemon.ac: Don't output nix/scripts/list-runtime-roots.
* build-aux/pre-inst-env.in: Don't set 'NIX_ROOT_FINDER'.
Set 'GUIX'.
* doc/guix.texi (Invoking guix gc): Document '--list-busy'.
* guix/scripts/gc.scm (show-help, %options): Add "--list-busy".
(guix-gc)[list-busy]: New procedure.
Handle the 'list-busy' action.
Diffstat (limited to 'doc')
-rw-r--r--doc/guix.texi4
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 83f791d71d..31f7890fe9 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -3496,6 +3496,10 @@ This prints nothing unless the daemon was started with
 List the GC roots owned by the user; when run as root, list @emph{all} the GC
 roots.
 
+@item --list-busy
+List store items in use by currently running processes.  These store
+items are effectively considered GC roots: they cannot be deleted.
+
 @item --clear-failures
 Remove the specified store items from the failed-build cache.