--- runit-2.1.2/src/runit.c.b   2014-08-10 22:22:35.000000000 +0400
+++ runit-2.1.2/src/runit.c 2020-03-06 16:24:33.202792656 +0300
@@ -30,6 +30,7 @@
 int selfpipe[2];
 int sigc =0;
 int sigi =0;
+int sigp =0;

 void sig_cont_handler (void) {
   sigc++;
@@ -39,6 +40,11 @@
   sigi++;
   write(selfpipe[1], "", 1);
 }
+void sig_pwr_handler (void) {
+   sigc++;
+   sigp++;
+}
+
 void sig_child_handler (void) { write(selfpipe[1], "", 1); }

 int main (int argc, const char * const *argv, char * const *envp) {
@@ -64,6 +70,8 @@
   sig_block(sig_cont);
   sig_catch(sig_cont, sig_cont_handler);
   sig_block(sig_hangup);
+  sig_block(sig_pwr);
+  sig_catch(sig_pwr, sig_pwr_handler);
   sig_block(sig_int);
   sig_catch(sig_int, sig_int_handler);
   sig_block(sig_pipe);
@@ -127,6 +135,8 @@
       sig_unblock(sig_cont);
       sig_ignore(sig_cont);
       sig_unblock(sig_hangup);
+      sig_unblock(sig_pwr);
+      sig_uncatch(sig_pwr);
       sig_unblock(sig_int);
       sig_uncatch(sig_int);
       sig_unblock(sig_pipe);
@@ -145,6 +155,7 @@
       sig_unblock(sig_child);
       sig_unblock(sig_cont);
       sig_unblock(sig_int);
+      sig_unblock(sig_pwr);
 #ifdef IOPAUSE_POLL
       poll(&x, 1, 14000);
 #else
@@ -156,6 +167,7 @@
       sig_block(sig_cont);
       sig_block(sig_child);
       sig_block(sig_int);
+      sig_block(sig_pwr);

       while (read(selfpipe[0], &ch, 1) == 1) {}
       while ((child =wait_nohang(&wstat)) > 0)
@@ -239,7 +251,7 @@
         sigi =0;
         sigc++;
       }
-      if (sigc && (stat(STOPIT, &s) != -1) && (s.st_mode & S_IXUSR)) {
+      if (sigc && ((stat(STOPIT, &s) != -1) && (s.st_mode & S_IXUSR) || sigp)) {
         int i;
         /* unlink(STOPIT); */
         chmod(STOPIT, 0);

--- runit-2.1.2/src/sig.c.b 2014-08-10 22:22:34.000000000 +0400
+++ runit-2.1.2/src/sig.c   2020-03-03 17:46:32.241855898 +0300
@@ -10,6 +10,7 @@
 int sig_int = SIGINT;
 int sig_pipe = SIGPIPE;
 int sig_term = SIGTERM;
+int sig_pwr = SIGPWR;

 void (*sig_defaulthandler)() = SIG_DFL;
 void (*sig_ignorehandler)() = SIG_IGN;
--- runit-2.1.2/src/sig.h.b 2014-08-10 22:22:35.000000000 +0400
+++ runit-2.1.2/src/sig.h   2020-03-03 17:46:32.245189250 +0300
@@ -10,6 +10,7 @@
 extern int sig_int;
 extern int sig_pipe;
 extern int sig_term;
+extern int sig_pwr;

 extern void (*sig_defaulthandler)();
 extern void (*sig_ignorehandler)();