package/system/procd/patches/0001-add-prod_init-script.patch

--- a/inittab.c
+++ b/inittab.c
@@ -44,6 +44,7 @@
 
 struct init_action;
 char *console = NULL;
+int production_mode = 0;
 
 struct init_handler {
 	const char *name;
@@ -313,9 +314,24 @@ void procd_inittab(void)
 #define LINE_LEN	128
 	FILE *fp = fopen(tab, "r");
 	struct init_action *a;
-	regex_t pat_inittab;
-	regmatch_t matches[5];
-	char *line;
+	regex_t pat_inittab, pat_cmdline;
+	regmatch_t matches[5], cmd_matches[2];
+	char *line, cmdline[1024];
+	int r, fd = open("/proc/cmdline", O_RDONLY);
+
+	if (fd < 0) {
+		ERROR("Failed to open /proc/cmdline\n");
+		return;
+	}
+
+	r = read(fd, cmdline, sizeof(cmdline) - 1);
+	cmdline[r] = '\0';
+	close(fd);      
+	regcomp(&pat_cmdline, "PROD=([0-2])", REG_EXTENDED);
+	if (!regexec(&pat_cmdline, cmdline, 1, cmd_matches, 0)) {
+		cmdline[cmd_matches[0].rm_eo] = '\0';
+		production_mode = atoi(&cmdline[cmd_matches[0].rm_eo - 1]);
+	}
 
 	if (!fp) {
 		ERROR("Failed to open %s: %m\n", tab);
--- a/rcS.c
+++ b/rcS.c
@@ -34,6 +34,7 @@
 #include "rcS.h"
 
 static struct runqueue q, r;
+extern int production_mode;
 
 struct initd {
 	struct ustream_fd fd;
@@ -172,7 +173,17 @@ static int _rc(struct runqueue *q, char
 	}
 
 	for (j = 0; j < gl.gl_pathc; j++)
+	{
+		if (strstr(gl.gl_pathv[j], "prod_init")) {
+			if (production_mode) {
+				add_initd(q, gl.gl_pathv[j], param);
+				break;
+			} else {
+				continue;
+			}
+		}
 		add_initd(q, gl.gl_pathv[j], param);
+	}
 
 	globfree(&gl);