From 597a4a45f084f2f5fdd60cdc484792dbef29c66e Mon Sep 17 00:00:00 2001
From: KubaPro010 <kuba.pro010@gmail.com>
Date: Thu, 25 Dec 2025 11:23:14 +0100
Subject: [PATCH] remove lua reloading

---
 src/lua_rds.c | 38 --------------------------------------
 src/lua_rds.h |  1 -
 src/rds95.c   | 17 +----------------
 3 files changed, 1 insertion(+), 55 deletions(-)

diff --git a/src/lua_rds.c b/src/lua_rds.c
index 77baef7..d3f76ba 100644
--- a/src/lua_rds.c
+++ b/src/lua_rds.c
@@ -5,13 +5,6 @@ static RDSModulator* mod = NULL;
 static lua_State *L = NULL;
 static pthread_mutex_t lua_mutex;
 static uint8_t unload_refs[33] = {LUA_REFNIL};
-static uint8_t lua_reload_scheduled = 0;
-
-int lua_reload_command(lua_State* localL) {
-    (void)localL;
-    lua_reload_scheduled = 1;
-    return 0;
-}
 
 int lua_set_rds_program_defaults(lua_State *localL) {
     (void)localL;
@@ -479,7 +472,6 @@ void init_lua(RDSModulator* rds_mod) {
 
     lua_register(L, "set_rds_program_defaults", lua_set_rds_program_defaults);
     lua_register(L, "reset_rds", lua_reset_rds);
-    lua_register(L, "reload", lua_reload_command);
 
     lua_register(L, "set_rds_pi", lua_set_rds_pi);
     lua_register(L, "get_rds_pi", lua_get_rds_pi);
@@ -601,7 +593,6 @@ void init_lua(RDSModulator* rds_mod) {
 }
 
 void run_lua(char *str, char *cmd_output) {
-    if(lua_reload_scheduled != 0) reload_lua();
     pthread_mutex_lock(&lua_mutex);
     lua_getglobal(L, "data_handle");
 
@@ -616,7 +607,6 @@ void run_lua(char *str, char *cmd_output) {
 }
 
 int lua_group(RDSGroup* group) {
-    if(lua_reload_scheduled != 0) reload_lua();
     pthread_mutex_lock(&lua_mutex);
     lua_getglobal(L, "group");
 
@@ -650,7 +640,6 @@ int lua_group(RDSGroup* group) {
 }
 
 void lua_group_ref(RDSGroup* group, int ref) {
-    if(lua_reload_scheduled != 0) reload_lua();
     pthread_mutex_lock(&lua_mutex);
     lua_rawgeti(L, LUA_REGISTRYINDEX, ref);
 
@@ -684,7 +673,6 @@ void lua_group_ref(RDSGroup* group, int ref) {
 }
 
 void lua_call_function(const char* function) {
-    if(lua_reload_scheduled != 0) reload_lua();
     pthread_mutex_lock(&lua_mutex);
     lua_getglobal(L, function);
 
@@ -697,32 +685,6 @@ void lua_call_function(const char* function) {
     pthread_mutex_unlock(&lua_mutex);
 }
 
-void reload_lua() {
-    pthread_mutex_lock(&lua_mutex);
-    lua_reload_scheduled = 0;
-
-    lua_getglobal(L, "on_unload");
-    if (lua_isfunction(L, -1)) {
-        if (lua_pcall(L, 0, 0, 0) != LUA_OK) {
-            fprintf(stderr, "Lua error in on_unload: %s\n", lua_tostring(L, -1));
-            lua_pop(L, 1);
-        }
-    } else lua_pop(L, 1);
-
-    for (int i = 1; i < *unload_refs; i++) {
-        luaL_unref(L, LUA_REGISTRYINDEX, unload_refs[i]);
-    }
-    *unload_refs = 1;
-
-    if (L) {
-        lua_close(L);
-        L = NULL;
-    }
-    pthread_mutex_unlock(&lua_mutex);
-
-    init_lua(mod);
-}
-
 void destroy_lua(void) {
     if (L) {
         for (int i = 1; i < *unload_refs; i++) luaL_unref(L, LUA_REGISTRYINDEX, unload_refs[i]);
diff --git a/src/lua_rds.h b/src/lua_rds.h
index 64fe337..48a08be 100644
--- a/src/lua_rds.h
+++ b/src/lua_rds.h
@@ -11,5 +11,4 @@ void run_lua(char *str, char *cmd_output);
 int lua_group(RDSGroup* group);
 void lua_call_function(const char* function);
 void lua_group_ref(RDSGroup* group, int ref);
-void reload_lua();
 void destroy_lua();
\ No newline at end of file
diff --git a/src/rds95.c b/src/rds95.c
index 3c65c17..b398379 100644
--- a/src/rds95.c
+++ b/src/rds95.c
@@ -19,12 +19,6 @@
 #define NUM_MPX_FRAMES	128
 
 static uint8_t stop_rds = 0;
-static volatile sig_atomic_t reload_requested = 0;
-
-static void reload() {
-	printf("Received an reloading signal\n");
-	reload_requested = 1;
-}
 
 static void stop() {
 	printf("Received an stopping signal\n");
@@ -134,19 +128,14 @@ int main(int argc, char **argv) {
 
 	pthread_attr_init(&attr);
 
-	struct sigaction sa_stop, sa_reload;
+	struct sigaction sa_stop;
 
 	sa_stop.sa_handler = stop;
 	sigemptyset(&sa_stop.sa_mask);
 	sa_stop.sa_flags = 0;
 
-	sa_reload.sa_handler = reload;
-	sigemptyset(&sa_reload.sa_mask);
-	sa_reload.sa_flags = 0;
-
 	sigaction(SIGINT, &sa_stop, NULL);
 	sigaction(SIGTERM, &sa_stop, NULL);
-	sigaction(SIGHUP, &sa_reload, NULL);
 
 	format.format = PA_SAMPLE_FLOAT32NE;
 	format.channels = config.num_streams;
@@ -207,10 +196,6 @@ int main(int argc, char **argv) {
 			fprintf(stderr, "Error: could not play audio. (%s : %d)\n", pa_strerror(pulse_error), pulse_error);
 			break;
 		}
-		if(reload_requested) {
-			reload_requested = 0;
-			reload_lua();
-		}
 	}
 
 	free(rds_buffer);