96     struct binder_state *bs;  in binder_open()  local
98     bs = malloc(sizeof(*bs));  in binder_open()
99     if (!bs) {  in binder_open()
104     bs->fd = open("/dev/binder", O_RDWR);  in binder_open()
105     if (bs->fd < 0) {  in binder_open()
111     bs->mapsize = mapsize;  in binder_open()
112     bs->mapped = mmap(NULL, mapsize, PROT_READ, MAP_PRIVATE, bs->fd, 0);  in binder_open()
113     if (bs->mapped == MAP_FAILED) {  in binder_open()
121     return bs;  in binder_open()
124     close(bs->fd);  in binder_open()
126     free(bs);  in binder_open()
130 void binder_close(struct binder_state *bs)  in binder_close()  argument
132     munmap(bs->mapped, bs->mapsize);  in binder_close()
133     close(bs->fd);  in binder_close()
134     free(bs);  in binder_close()
137 int binder_become_context_manager(struct binder_state *bs)  in binder_become_context_manager()  argument
139     return ioctl(bs->fd, BINDER_SET_CONTEXT_MGR, 0);  in binder_become_context_manager()
142 int binder_write(struct binder_state *bs, void *data, unsigned len)  in binder_write()  argument
152     res = ioctl(bs->fd, BINDER_WRITE_READ, &bwr);  in binder_write()
160 void binder_send_reply(struct binder_state *bs,  in binder_send_reply()  argument
191     binder_write(bs, &data, sizeof(data));  in binder_send_reply()
194 int binder_parse(struct binder_state *bs, struct binder_io *bio,  in binder_parse()  argument
234                 res = func(bs, txn, &msg, &reply);  in binder_parse()
235                 binder_send_reply(bs, &reply, txn->data, res);  in binder_parse()
259             death->func(bs, death->ptr);  in binder_parse()
277 void binder_acquire(struct binder_state *bs, void *ptr)  in binder_acquire()  argument
282     binder_write(bs, cmd, sizeof(cmd));  in binder_acquire()
285 void binder_release(struct binder_state *bs, void *ptr)  in binder_release()  argument
290     binder_write(bs, cmd, sizeof(cmd));  in binder_release()
293 void binder_link_to_death(struct binder_state *bs, void *ptr, struct binder_death *death)  in binder_link_to_death()  argument
299     binder_write(bs, cmd, sizeof(cmd));  in binder_link_to_death()
303 int binder_call(struct binder_state *bs,  in binder_call()  argument
339         res = ioctl(bs->fd, BINDER_WRITE_READ, &bwr);  in binder_call()
346         res = binder_parse(bs, reply, readbuf, bwr.read_consumed, 0);  in binder_call()
357 void binder_loop(struct binder_state *bs, binder_handler func)  in binder_loop()  argument
368     binder_write(bs, readbuf, sizeof(unsigned));  in binder_loop()
375         res = ioctl(bs->fd, BINDER_WRITE_READ, &bwr);  in binder_loop()
382         res = binder_parse(bs, 0, readbuf, bwr.read_consumed, func);  in binder_loop()
436 void binder_done(struct binder_state *bs,  in binder_done()  argument
444         binder_write(bs, cmd, sizeof(cmd));  in binder_done()