Fix some edge case where core can freeze upon loading content

- Core sometime freeze while loading content during the loading of the core options. Moving update_variables() from retro_init to retro_load_game() fixes the problem, on my case at least.
- Also apply fix as suggested in this issue page: https://github.com/libretro/pcsx_rearmed/issues/373

diff --git a/frontend/libretro.c b/frontend/libretro.c
index 6872dde..783f9cd 100644 (file)
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -1227,6 +1227,7 @@ static void set_retro_memmap(void)
     environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
 }
 
+static void update_variables(bool in_flight);
 bool retro_load_game(const struct retro_game_info *info)
 {
        size_t i;
@@ -1422,6 +1423,8 @@ bool retro_load_game(const struct retro_game_info *info)
                return false;
        }
 
+       update_variables(false);
+
        if (plugins_opened) {
                ClosePlugins();
                plugins_opened = 0;
@@ -1772,7 +1775,7 @@ static void update_variables(bool in_flight)
 
    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
    {
-      R3000Acpu *prev_cpu = psxCpu;
+         R3000Acpu *prev_cpu = psxCpu;
 #if defined(LIGHTREC)
       bool can_use_dynarec = found_bios;
 #else
@@ -2762,13 +2765,15 @@ void retro_init(void)
    if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
       libretro_supports_bitmasks = true;
 
-       update_variables(false);
        check_system_specs();
 }
 
 void retro_deinit(void)
 {
-       ClosePlugins();
+       if (plugins_opened) {
+               ClosePlugins();
+               plugins_opened = 0;
+       }
        SysClose();
 #ifdef _3DS
    linearFree(vout_buf);