diff options
| -rw-r--r-- | core/os/os.cpp | 7 | ||||
| -rw-r--r-- | core/os/os.h | 9 | ||||
| -rw-r--r-- | modules/gdnative/godot/gdnative.cpp | 5 | ||||
| -rw-r--r-- | modules/gdnative/godot/gdnative.h | 4 |
4 files changed, 25 insertions, 0 deletions
diff --git a/core/os/os.cpp b/core/os/os.cpp index 5a9766891d..8e4c357195 100644 --- a/core/os/os.cpp +++ b/core/os/os.cpp @@ -512,7 +512,13 @@ bool OS::check_feature_support(const String &p_feature) { return false; } +void *OS::get_stack_bottom() const { + return _stack_bottom; +} + OS::OS() { + void *volatile stack_bottom; + last_error = NULL; singleton = this; _keep_screen_on = true; // set default value to true, because this had been true before godot 2.0. @@ -525,6 +531,7 @@ OS::OS() { _render_thread_mode = RENDER_THREAD_SAFE; _allow_hidpi = true; + _stack_bottom = (void *)(&stack_bottom); } OS::~OS() { diff --git a/core/os/os.h b/core/os/os.h index 362fec8a9e..957c1d0ba7 100644 --- a/core/os/os.h +++ b/core/os/os.h @@ -60,6 +60,8 @@ class OS { char *last_error; + void *_stack_bottom; + public: enum RenderThreadMode { @@ -411,6 +413,13 @@ public: bool check_feature_support(const String &p_feature); + /** + * Returns the stack bottom of the main thread of the application. + * This may be of use when integrating languages with garbage collectors that + * need to check whether a pointer is on the stack. + */ + virtual void *get_stack_bottom() const; + bool is_hidpi_allowed() const { return _allow_hidpi; } OS(); virtual ~OS(); diff --git a/modules/gdnative/godot/gdnative.cpp b/modules/gdnative/godot/gdnative.cpp index 7b94b75a52..29b499ebab 100644 --- a/modules/gdnative/godot/gdnative.cpp +++ b/modules/gdnative/godot/gdnative.cpp @@ -33,6 +33,7 @@ #include "error_macros.h" #include "gdnative.h" #include "global_constants.h" +#include "os/os.h" #include "project_settings.h" #include "variant.h" @@ -89,6 +90,10 @@ godot_object GDAPI *godot_global_get_singleton(char *p_name) { return (godot_object *)ProjectSettings::get_singleton()->get_singleton_object(String(p_name)); } // result shouldn't be freed +void GDAPI *godot_get_stack_bottom() { + return OS::get_singleton()->get_stack_bottom(); +} + // MethodBind API godot_method_bind GDAPI *godot_method_bind_get_method(const char *p_classname, const char *p_methodname) { diff --git a/modules/gdnative/godot/gdnative.h b/modules/gdnative/godot/gdnative.h index 4b79706b52..510bf36cd4 100644 --- a/modules/gdnative/godot/gdnative.h +++ b/modules/gdnative/godot/gdnative.h @@ -245,6 +245,10 @@ void GDAPI godot_object_destroy(godot_object *p_o); godot_object GDAPI *godot_global_get_singleton(char *p_name); // result shouldn't be freed +////// OS API + +void GDAPI *godot_get_stack_bottom(); // returns stack bottom of the main thread + ////// MethodBind API typedef struct { |