gsl-shell.git - gsl-shell

diff --git a/agg-plot/plot-window.cpp b/agg-plot/plot-window.cpp
index defda309..8d747046 100644
--- a/agg-plot/plot-window.cpp
+++ b/agg-plot/plot-window.cpp

@@ -158,6 +158,8 @@ plot_window::start()

gsl_shell_unref_plot (this->id);

GSL_SHELL_UNLOCK();

}

+

+ platform_support_unlock (this);

}

void *

@@ -223,7 +225,7 @@ int

plot_window_free (lua_State *L)

{

plot_window *win = plot_window::check (L, 1);

- printf("freying plot window\n");

+ printf("freeing plot window\n");

win->~plot_window();

return 0;

}

@@ -283,12 +285,19 @@ plot_window_index_protected (lua_State *L)

{

plot_window *win = plot_window::check(L, lua_upvalueindex(2));

+ platform_support_lock (win);

+

+ if (win->status != plot_window::running)

+ {

+ platform_support_unlock (win);

+ return luaL_error (L, "window is not active");

+ }

+

int narg = lua_gettop (L);

lua_pushvalue (L, lua_upvalueindex(1));

lua_insert (L, 1);

- platform_support_lock (win);

if (lua_pcall (L, narg, LUA_MULTRET, 0) != 0)

{

platform_support_unlock (win);