98     struct binder_state *bs;  in binder_open()  local
101     bs = malloc(sizeof(*bs));  in binder_open()
102     if (!bs) {  in binder_open()
107     bs->fd = open("/dev/binder", O_RDWR | O_CLOEXEC);  in binder_open()
108     if (bs->fd < 0) {  in binder_open()
114     if ((ioctl(bs->fd, BINDER_VERSION, &vers) == -1) ||  in binder_open()
122     bs->mapsize = mapsize;  in binder_open()
123     bs->mapped = mmap(NULL, mapsize, PROT_READ, MAP_PRIVATE, bs->fd, 0);  in binder_open()
124     if (bs->mapped == MAP_FAILED) {  in binder_open()
130     return bs;  in binder_open()
133     close(bs->fd);  in binder_open()
135     free(bs);  in binder_open()
139 void binder_close(struct binder_state *bs)  in binder_close()  argument
141     munmap(bs->mapped, bs->mapsize);  in binder_close()
142     close(bs->fd);  in binder_close()
143     free(bs);  in binder_close()
146 int binder_become_context_manager(struct binder_state *bs)  in binder_become_context_manager()  argument
148     return ioctl(bs->fd, BINDER_SET_CONTEXT_MGR, 0);  in binder_become_context_manager()
151 int binder_write(struct binder_state *bs, void *data, size_t len)  in binder_write()  argument
162     res = ioctl(bs->fd, BINDER_WRITE_READ, &bwr);  in binder_write()
170 void binder_free_buffer(struct binder_state *bs,  in binder_free_buffer()  argument
179     binder_write(bs, &data, sizeof(data));  in binder_free_buffer()
182 void binder_send_reply(struct binder_state *bs,  in binder_send_reply()  argument
213     binder_write(bs, &data, sizeof(data));  in binder_send_reply()
216 int binder_parse(struct binder_state *bs, struct binder_io *bio,  in binder_parse()  argument
257                 res = func(bs, txn, &msg, &reply);  in binder_parse()
259                     binder_free_buffer(bs, txn->data.ptr.buffer);  in binder_parse()
261                     binder_send_reply(bs, &reply, txn->data.ptr.buffer, res);  in binder_parse()
287             death->func(bs, death->ptr);  in binder_parse()
305 void binder_acquire(struct binder_state *bs, uint32_t target)  in binder_acquire()  argument
310     binder_write(bs, cmd, sizeof(cmd));  in binder_acquire()
313 void binder_release(struct binder_state *bs, uint32_t target)  in binder_release()  argument
318     binder_write(bs, cmd, sizeof(cmd));  in binder_release()
321 void binder_link_to_death(struct binder_state *bs, uint32_t target, struct binder_death *death)  in binder_link_to_death()  argument
331     binder_write(bs, &data, sizeof(data));  in binder_link_to_death()
334 int binder_call(struct binder_state *bs,  in binder_call()  argument
370         res = ioctl(bs->fd, BINDER_WRITE_READ, &bwr);  in binder_call()
377         res = binder_parse(bs, reply, (uintptr_t) readbuf, bwr.read_consumed, 0);  in binder_call()
388 void binder_loop(struct binder_state *bs, binder_handler func)  in binder_loop()  argument
399     binder_write(bs, readbuf, sizeof(uint32_t));  in binder_loop()
406         res = ioctl(bs->fd, BINDER_WRITE_READ, &bwr);  in binder_loop()
413         res = binder_parse(bs, 0, (uintptr_t) readbuf, bwr.read_consumed, func);  in binder_loop()
467 void binder_done(struct binder_state *bs,  in binder_done()  argument
479         binder_write(bs, &data, sizeof(data));  in binder_done()