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Fix fltk.coredev: mandelbrot demo segfault under Wayland

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This commit is contained in:
ManoloFLTK
2023-10-03 21:56:01 +02:00
parent f8bf7e5da4
commit aa14ffe6a1
1 changed files with 14 additions and 12 deletions
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src/drivers/Wayland/Fl_Wayland_Graphics_Driver.cxx
+14 -12
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@@ -212,20 +212,22 @@ void Fl_Wayland_Graphics_Driver::cairo_init(struct Fl_Wayland_Graphics_Driver::d
static void do_buffer_release( static void do_buffer_release(
struct Fl_Wayland_Graphics_Driver::wld_buffer *buffer) { struct Fl_Wayland_Graphics_Driver::wld_buffer *buffer) {
struct wl_shm_pool *my_pool = buffer->shm_pool; struct wl_shm_pool *my_pool = buffer->shm_pool;
struct Fl_Wayland_Graphics_Driver::wld_shm_pool_data *pool_data = if (buffer->wl_buffer) {
struct Fl_Wayland_Graphics_Driver::wld_shm_pool_data *pool_data =
(struct Fl_Wayland_Graphics_Driver::wld_shm_pool_data*) (struct Fl_Wayland_Graphics_Driver::wld_shm_pool_data*)
wl_shm_pool_get_user_data(my_pool); wl_shm_pool_get_user_data(my_pool);
wl_buffer_destroy(buffer->wl_buffer); wl_buffer_destroy(buffer->wl_buffer);
// remove wld_buffer from list of pool's buffers // remove wld_buffer from list of pool's buffers
wl_list_remove(&buffer->link); wl_list_remove(&buffer->link);
free(buffer); if (wl_list_empty(&pool_data->buffers) && my_pool != pool) {
if (wl_list_empty(&pool_data->buffers) && my_pool != pool) { // all buffers from pool are gone
// all buffers from pool are gone wl_shm_pool_destroy(my_pool);
wl_shm_pool_destroy(my_pool); /*int err = */munmap(pool_data->pool_memory, pool_data->pool_size);
/*int err = */munmap(pool_data->pool_memory, pool_data->pool_size); //printf("do_buffer_release munmap(%p)->%d\n", pool_data->pool_memory, err);
//printf("do_buffer_release munmap(%p)->%d\n", pool_data->pool_memory, err); free(pool_data);
free(pool_data); }
} }
free(buffer);
} }