44 	struct wl_shm_pool *pool;  member
54 	struct shm_pool *pool;  in shm_pool_create()  local
56 	pool = malloc(sizeof *pool);  in shm_pool_create()
57 	if (!pool)  in shm_pool_create()
60 	pool->fd = os_create_anonymous_file(size);  in shm_pool_create()
61 	if (pool->fd < 0)  in shm_pool_create()
64 	pool->data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED,  in shm_pool_create()
65 			  pool->fd, 0);  in shm_pool_create()
67 	if (pool->data == MAP_FAILED)  in shm_pool_create()
70 	pool->pool = wl_shm_create_pool(shm, pool->fd, size);  in shm_pool_create()
71 	pool->size = size;  in shm_pool_create()
72 	pool->used = 0;  in shm_pool_create()
74 	return pool;  in shm_pool_create()
77 	close(pool->fd);  in shm_pool_create()
79 	free(pool);  in shm_pool_create()
84 shm_pool_resize(struct shm_pool *pool, int size)  in shm_pool_resize()  argument
86 	if (ftruncate(pool->fd, size) < 0)  in shm_pool_resize()
90 	errno = posix_fallocate(pool->fd, 0, size);  in shm_pool_resize()
95 	wl_shm_pool_resize(pool->pool, size);  in shm_pool_resize()
97 	munmap(pool->data, pool->size);  in shm_pool_resize()
99 	pool->data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED,  in shm_pool_resize()
100 			  pool->fd, 0);  in shm_pool_resize()
101 	if (pool->data == (void *)-1)  in shm_pool_resize()
103 	pool->size = size;  in shm_pool_resize()
109 shm_pool_allocate(struct shm_pool *pool, int size)  in shm_pool_allocate()  argument
113 	if (pool->used + size > pool->size)  in shm_pool_allocate()
114 		if (!shm_pool_resize(pool, 2 * pool->size + size))  in shm_pool_allocate()
117 	offset = pool->used;  in shm_pool_allocate()
118 	pool->used += size;  in shm_pool_allocate()
124 shm_pool_destroy(struct shm_pool *pool)  in shm_pool_destroy()  argument
126 	munmap(pool->data, pool->size);  in shm_pool_destroy()
127 	wl_shm_pool_destroy(pool->pool);  in shm_pool_destroy()
128 	close(pool->fd);  in shm_pool_destroy()
129 	free(pool);  in shm_pool_destroy()
137 	struct shm_pool *pool;  member
146 	int offset; /* data offset of this image in the shm pool */
168 			wl_shm_pool_create_buffer(theme->pool->pool,  in wl_cursor_image_get_buffer()
238 	image->offset = shm_pool_allocate(theme->pool, size);  in wl_cursor_create_from_data()
243 	memcpy(theme->pool->data + image->offset,  in wl_cursor_create_from_data()
323 		image->offset = shm_pool_allocate(theme->pool, size);  in wl_cursor_create_from_xcursor_images()
329 		/* copy pixels to shm pool */  in wl_cursor_create_from_xcursor_images()
330 		memcpy(theme->pool->data + image->offset,  in wl_cursor_create_from_xcursor_images()
407 	theme->pool = shm_pool_create(shm, size * size * 4);  in wl_cursor_theme_load()
408 	if (!theme->pool)  in wl_cursor_theme_load()
437 	shm_pool_destroy(theme->pool);  in wl_cursor_theme_destroy()