Provide an option to disable SysV init mode.

This is useful if pies is run as a entrypoint process in a
docker container.

2 files changed, 15 insertions, 0 deletions

diff --git a/src/cmdline.opt b/src/cmdline.opt
index 5380b80..57f5b90 100644
--- a/src/cmdline.opt
+++ b/src/cmdline.opt
@@ -52,12 +52,18 @@ OPTION(foreground,,,
        [<remain in foreground>])
 BEGIN
   log_to_stderr_only = 1;
   foreground = 1;
 END
 
+OPTION(no-init,,,
+       [<don't suppose SysV init mode if PID is 1>])
+BEGIN
+  /* handled separately */
+END
+
 OPTION(inetd,i,,
        [<run in inetd mode>])
 BEGIN
   if (!instance)
     instance = "inetd";
   current_syntax = &config_syntax_tab[CONF_INETD];
diff --git a/src/pies.c b/src/pies.c
index c0c1306..503be73 100644
--- a/src/pies.c
+++ b/src/pies.c
@@ -2029,12 +2029,13 @@ int
 main (int argc, char **argv)
 {
   pid_t pid;
   extern char **environ;
   struct grecs_list_entry *ep;
   int diag_flags;
+  int i;
   
   set_program_name (argv[0]);
 #ifdef ENABLE_NLS
   setlocale (LC_ALL, "");
   bindtextdomain (PACKAGE, LOCALEDIR);
   textdomain (PACKAGE);
@@ -2046,12 +2047,20 @@ main (int argc, char **argv)
   pies_master_argc = argc;
   pies_master_argv = argv;
   
   set_quoting_style (NULL, shell_quoting_style);
 
   init_process = getpid () == 1;
+  for (i = 1; i < argc; i++)
+    {
+      if (strcmp (argv[i], "--no-init") == 0)
+	{
+	  init_process = 0;
+	  break;
+	}
+    }
   
   /* Set default logging */
   if (init_process)
     {
       log_facility = LOG_DAEMON;
       diag_flags = DIAG_TO_STDERR | DIAG_REOPEN_LOG;