The Guile process taking the role of PID 1 during Guix builds does not reap
zombie processes, which makes them continue responding to "kill -0".

--- a/src/testsuite/stop-server.sh	2015-02-05 11:24:00.535908842 +0100
+++ b/src/testsuite/stop-server.sh	2015-02-05 11:25:00.264351349 +0100
@@ -1,6 +1,21 @@
 #!/bin/sh
 # ngIRCd Test Suite
 
+process_is_alive(){
+    ! process_is_dead "$1" && ! process_is_undead "$1"
+}
+
+process_is_dead(){
+    ! kill -0 "$1"
+}
+
+process_is_undead(){
+    case $(ps -p "$1" -o state=) in
+        (Z*) true ;;
+        (*) false ;;
+    esac
+}
+
 [ -z "$srcdir" ] && srcdir=`dirname $0`
 
 # read in functions
@@ -24,7 +40,7 @@
 
 # waiting ...
 for i in 1 2 3 4 5; do
-  kill -0 $pid > /dev/null 2>&1; r=$?
+  process_is_alive $pid > /dev/null 2>&1; r=$?
   if [ $r -ne 0 ]; then
     echo " ok".
     exit 0
 value='koszko-scripts'>koszko-scripts</option>
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<div class='path'>path: <a href='/guix/log/?id=55da0930e30e0ee1b3da1b9aee5851e9ccfca32c'>root</a>/<a href='/guix/log/gnu?id=55da0930e30e0ee1b3da1b9aee5851e9ccfca32c'>gnu</a>/<a href='/guix/log/gnu/packages?id=55da0930e30e0ee1b3da1b9aee5851e9ccfca32c'>packages</a>/<a href='/guix/log/gnu/packages/aux-files?id=55da0930e30e0ee1b3da1b9aee5851e9ccfca32c'>aux-files</a>/<a href='/guix/log/gnu/packages/aux-files/linux-libre?id=55da0930e30e0ee1b3da1b9aee5851e9ccfca32c'>linux-libre</a>/<a href='/guix/log/gnu/packages/aux-files/linux-libre/6.1-i686.conf?id=55da0930e30e0ee1b3da1b9aee5851e9ccfca32c'>6.1-i686.conf</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/aux-files/linux-libre/6.1-i686.conf?id=55da0930e30e0ee1b3da1b9aee5851e9ccfca32c&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-02-19 01:00:01 +0100'>2023-02-19</span></td><td><a href='/guix/commit/gnu/packages/aux-files/linux-libre/6.1-i686.conf?id=e701f67246680c81dd111cf7136b936bf7d8718b'>gnu: linux-libre: Consistently provide the drop_monitor module.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is needed by, e.g., &lt;https://github.com/nhorman/dropwatch&gt;.
Build it as a module everywhere for consistency.

* gnu/packages/aux-files/linux-libre/4.14-i686.conf:
Set CONFIG_NET_DROP_MONITOR=m.
* gnu/packages/aux-files/linux-libre/4.14-x86_64.conf: Likewise.
* gnu/packages/aux-files/linux-libre/4.19-i686.conf: Likewise.
* gnu/packages/aux-files/linux-libre/4.19-x86_64.conf: Likewise.
* gnu/packages/aux-files/linux-libre/5.10-arm.conf: Likewise.
* gnu/packages/aux-files/linux-libre/5.10-arm64.conf: Likewise.
* gnu/packages/aux-files/linux-libre/5.10-i686.conf: Likewise.
* gnu/packages/aux-files/linux-libre/5.10-x86_64.conf: Likewise.
* gnu/packages/aux-files/linux-libre/5.15-arm.conf: Likewise.
* gnu/packages/aux-files/linux-libre/5.15-arm64.conf: Likewise.
* gnu/packages/aux-files/linux-libre/5.15-i686.conf: Likewise.
* gnu/packages/aux-files/linux-libre/5.15-x86_64.conf: Likewise.
* gnu/packages/aux-files/linux-libre/5.4-arm.conf: Likewise.
* gnu/packages/aux-files/linux-libre/5.4-arm64.conf: Likewise.
* gnu/packages/aux-files/linux-libre/5.4-i686.conf: Likewise.
* gnu/packages/aux-files/linux-libre/5.4-x86_64.conf: Likewise.
* gnu/packages/aux-files/linux-libre/6.1-arm.conf: Likewise.
* gnu/packages/aux-files/linux-libre/6.1-arm64.conf: Likewise.
* gnu/packages/aux-files/linux-libre/6.1-i686.conf: Likewise.
* gnu/packages/aux-files/linux-libre/6.1-x86_64.conf: Likewise.

Reported by mirai in #guix.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2023-02-12 01:00:00 +0100'>2023-02-12</span></td><td><a href='/guix/commit/gnu/packages/aux-files/linux-libre/6.1-i686.conf?id=017f1779e937a85e525debdb89807592b35f55ea'>gnu: linux-libre: Disable unprivileged BPF by default.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/aux-files/linux-libre/5.15-arm.conf:
Set CONFIG_BPF_UNPRIV_DEFAULT_OFF=y.
* gnu/packages/aux-files/linux-libre/5.15-arm64.conf: Likewise.
* gnu/packages/aux-files/linux-libre/5.15-i686.conf: Likewise.
* gnu/packages/aux-files/linux-libre/5.15-x86_64.conf: Likewise.
* gnu/packages/aux-files/linux-libre/6.1-arm.conf: Likewise.
* gnu/packages/aux-files/linux-libre/6.1-arm64.conf: Likewise.
* gnu/packages/aux-files/linux-libre/6.1-i686.conf: Likewise.
* gnu/packages/aux-files/linux-libre/6.1-x86_64.conf: Likewise.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2023-01-03 12:07:46 -0500'>2023-01-03</span></td><td><a href='/guix/commit/gnu/packages/aux-files/linux-libre/6.1-i686.conf?id=cfce55bf4f232791f4341665a01c4cb873f0f60d'>gnu: Add linux-libre 6.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/linux.scm (linux-libre-6.1-version, linux-libre-6.1-gnu-revision,
deblob-scripts-6.1, linux-libre-6.1-source, linux-libre-headers-6.1,
linux-libre-6.1): New variables.
* gnu/packages/aux-files/linux-libre/6.1-arm.conf,
gnu/packages/aux-files/linux-libre/6.1-arm64.conf,
gnu/packages/aux-files/linux-libre/6.1-i686.conf,
gnu/packages/aux-files/linux-libre/6.1-x86_64.conf: New files.
* Makefile.am (AUX_FILES): Add them.
</span></span></td><td>Leo Famulari</td></tr>