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-rw-r--r--scripts/Makefile.am6
-rw-r--r--scripts/find-runtime-roots.pl.in58
2 files changed, 62 insertions, 2 deletions
diff --git a/scripts/Makefile.am b/scripts/Makefile.am
index bffbdbde5..7b0aef061 100644
--- a/scripts/Makefile.am
+++ b/scripts/Makefile.am
@@ -7,13 +7,14 @@ noinst_SCRIPTS = nix-profile.sh generate-patches.pl
nix-pull nix-push: readmanifest.pm readconfig.pm download-using-manifests.pl
-install-exec-local: readmanifest.pm download-using-manifests.pl
+install-exec-local: readmanifest.pm download-using-manifests.pl find-runtime-roots.pl
$(INSTALL) -d $(DESTDIR)$(sysconfdir)/profile.d
$(INSTALL_PROGRAM) nix-profile.sh $(DESTDIR)$(sysconfdir)/profile.d/nix.sh
$(INSTALL) -d $(DESTDIR)$(libexecdir)/nix
$(INSTALL_DATA) readmanifest.pm $(DESTDIR)$(libexecdir)/nix
$(INSTALL_DATA) readconfig.pm $(DESTDIR)$(libexecdir)/nix
$(INSTALL_PROGRAM) download-using-manifests.pl $(DESTDIR)$(libexecdir)/nix
+ $(INSTALL_PROGRAM) find-runtime-roots.pl $(DESTDIR)$(libexecdir)/nix
$(INSTALL) -d $(DESTDIR)$(sysconfdir)/nix
include ../substitute.mk
@@ -27,4 +28,5 @@ EXTRA_DIST = nix-collect-garbage.in \
nix-build.in \
download-using-manifests.pl.in \
generate-patches.pl.in \
- nix-pack-closure.in nix-unpack-closure.in
+ nix-pack-closure.in nix-unpack-closure.in \
+ find-runtime-roots.pl.in
diff --git a/scripts/find-runtime-roots.pl.in b/scripts/find-runtime-roots.pl.in
new file mode 100644
index 000000000..3e55ee445
--- /dev/null
+++ b/scripts/find-runtime-roots.pl.in
@@ -0,0 +1,58 @@
+#! @perl@ -w
+
+use strict;
+
+my $procDir = "/proc";
+
+
+sub readProc {
+ return unless -d $procDir;
+
+ opendir DIR, $procDir or return;
+
+ foreach my $name (readdir DIR) {
+ next unless $name =~ /^\d+$/;
+
+ my $process = "$procDir/$name";
+
+ #print STDERR "=== $process\n";
+
+ my $target;
+ print "$target\n" if $target = readlink "$process/exe";
+ print "$target\n" if $target = readlink "$process/cwd";
+
+ if (opendir FDS, "$process/fd") {
+ foreach my $name (readdir FDS) {
+ $target = readlink "$process/fd/$name";
+ print "$target\n" if $target && substr($target, 0, 1) eq "/";
+ }
+ closedir FDS;
+ }
+
+ if (open MAP, "<$process/maps") {
+ while (<MAP>) {
+ next unless /^ \s* \S+ \s+ \S+ \s+ \S+ \s+ \S+ \s+ \S+ \s+ (\/\S+) \s* $/x;
+ print "$1\n";
+ }
+ close MAP;
+ }
+ }
+
+ closedir DIR;
+}
+
+
+sub lsof {
+ return unless open LSOF, "lsof -b -w -F n |";
+
+ while (<LSOF>) {
+ next unless /^n (\/ .*)$/x;
+ print $1, "\n";
+ }
+
+ close LSOF;
+}
+
+
+readProc;
+lsof;