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runit-2.1.2-pid1exit.patch
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runit-2.1.2-pid1exit.patch
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diff -ur admin.org/runit-2.1.2/src/runit.c admin/runit-2.1.2/src/runit.c
--- admin.org/runit-2.1.2/src/runit.c 2014-08-10 18:22:35.000000000 +0000
+++ admin/runit-2.1.2/src/runit.c 2014-09-18 20:07:14.000000000 +0000
@@ -339,6 +339,13 @@
}
#endif
+
+ if ((stat(PID1EXIT, &s) != -1) && (s.st_mode & S_IXUSR)) {
+ strerr_warn2(INFO, "PID 1 exiting.", 0);
+ sync();
+ strerr_die2x(0, INFO, "exit.");
+ }
+
for (;;) sig_pause();
/* not reached */
strerr_die2x(0, INFO, "exit.");
diff -ur admin.org/runit-2.1.2/src/runit.h admin/runit-2.1.2/src/runit.h
--- admin.org/runit-2.1.2/src/runit.h 2014-08-10 18:22:35.000000000 +0000
+++ admin/runit-2.1.2/src/runit.h 2014-09-18 20:07:16.000000000 +0000
@@ -2,3 +2,4 @@
#define STOPIT "/etc/runit/stopit"
#define REBOOT "/etc/runit/reboot"
#define CTRLALTDEL "/etc/runit/ctrlaltdel"
+#define PID1EXIT "/etc/runit/pid1exit"
diff -ur admin.org/runit-2.1.2/doc/runit.8.html admin/runit-2.1.2/doc/runit.8.html
--- admin.org/runit-2.1.2/doc/runit.8.html 2014-08-10 18:22:36.000000000 +0000
+++ admin/runit-2.1.2/doc/runit.8.html 2014-09-18 21:09:01.000000000 +0000
@@ -33,7 +33,9 @@
stage 2 if it is running, and runs <i>/etc/runit/3</i>. The systems tasks to shutdown
and possibly halt or reboot the system are done here. If stage 3 returns,
<b>runit</b> checks if the file <i>/etc/runit/reboot</i> exists and has the execute by
-owner permission set. If so, the system is rebooted, it’s halted otherwise.
+owner permission set. If so, the system is rebooted. If <i>/etc/runit/pid1exit</i> exists and
+has the execute by owner permission set, runit will exit. It’s halted otherwise. Ensure
+you understand the implications of PID 1 exiting before instructing <b>runit</b> to do so.
<h2><a name='sect6'>Ctrl-alt-del</a></h2>
If <b>runit</b> receives the ctrl-alt-del keyboard request and the file
diff -ur admin.org/runit-2.1.2/man/runit.8 admin/runit-2.1.2/man/runit.8
--- admin.org/runit-2.1.2/man/runit.8 2014-08-10 18:22:34.000000000 +0000
+++ admin/runit-2.1.2/man/runit.8 2014-09-18 21:20:24.000000000 +0000
@@ -47,7 +47,15 @@
checks if the file
.I /etc/runit/reboot
exists and has the execute by owner permission set.
-If so, the system is rebooted, it's halted otherwise.
+If so, the system is rebooted. If the file
+.I /etc/runit/pid1exit
+exists and has the execute by owner permission set,
+.B runit
+will exit. It's halted otherwise. Ensure you understand the implications
+of PID 1 exiting before instructing
+.B runit
+to do so.
+
.SH CTRL-ALT-DEL
If
.B runit