153 tlm_buffer_advance_in_idx(tlm_buffers_t *bufs)  in tlm_buffer_advance_in_idx()  argument
155 	if (bufs == NULL)  in tlm_buffer_advance_in_idx()
158 	(void) mutex_lock(&bufs->tbs_mtx);  in tlm_buffer_advance_in_idx()
159 	if (++bufs->tbs_buffer_in >= TLM_TAPE_BUFFERS)  in tlm_buffer_advance_in_idx()
160 		bufs->tbs_buffer_in = 0;  in tlm_buffer_advance_in_idx()
162 	(void) mutex_unlock(&bufs->tbs_mtx);  in tlm_buffer_advance_in_idx()
163 	return (&bufs->tbs_buffer[bufs->tbs_buffer_in]);  in tlm_buffer_advance_in_idx()
174 tlm_buffer_advance_out_idx(tlm_buffers_t *bufs)  in tlm_buffer_advance_out_idx()  argument
176 	if (bufs == NULL)  in tlm_buffer_advance_out_idx()
179 	(void) mutex_lock(&bufs->tbs_mtx);  in tlm_buffer_advance_out_idx()
180 	if (++bufs->tbs_buffer_out >= TLM_TAPE_BUFFERS)  in tlm_buffer_advance_out_idx()
181 		bufs->tbs_buffer_out = 0;  in tlm_buffer_advance_out_idx()
183 	(void) mutex_unlock(&bufs->tbs_mtx);  in tlm_buffer_advance_out_idx()
184 	return (&bufs->tbs_buffer[bufs->tbs_buffer_out]);  in tlm_buffer_advance_out_idx()
194 tlm_buffer_in_buf(tlm_buffers_t *bufs, int *idx)  in tlm_buffer_in_buf()  argument
198 	if (bufs == NULL)  in tlm_buffer_in_buf()
201 	(void) mutex_lock(&bufs->tbs_mtx);  in tlm_buffer_in_buf()
202 	ret = &bufs->tbs_buffer[bufs->tbs_buffer_in];  in tlm_buffer_in_buf()
204 		*idx = bufs->tbs_buffer_in;  in tlm_buffer_in_buf()
205 	(void) mutex_unlock(&bufs->tbs_mtx);  in tlm_buffer_in_buf()
216 tlm_buffer_out_buf(tlm_buffers_t *bufs, int *idx)  in tlm_buffer_out_buf()  argument
220 	if (bufs == NULL)  in tlm_buffer_out_buf()
223 	(void) mutex_lock(&bufs->tbs_mtx);  in tlm_buffer_out_buf()
224 	ret = &bufs->tbs_buffer[bufs->tbs_buffer_out];  in tlm_buffer_out_buf()
226 		*idx = bufs->tbs_buffer_out;  in tlm_buffer_out_buf()
227 	(void) mutex_unlock(&bufs->tbs_mtx);  in tlm_buffer_out_buf()
238 tlm_buffer_release_in_buf(tlm_buffers_t *bufs)  in tlm_buffer_release_in_buf()  argument
240 	(void) mutex_lock(&bufs->tbs_mtx);  in tlm_buffer_release_in_buf()
241 	bufs->tbs_flags |= TLM_BUF_IN_READY;  in tlm_buffer_release_in_buf()
242 	(void) cond_signal(&bufs->tbs_in_cv);  in tlm_buffer_release_in_buf()
243 	(void) mutex_unlock(&bufs->tbs_mtx);  in tlm_buffer_release_in_buf()
254 tlm_buffer_release_out_buf(tlm_buffers_t *bufs)  in tlm_buffer_release_out_buf()  argument
256 	(void) mutex_lock(&bufs->tbs_mtx);  in tlm_buffer_release_out_buf()
257 	bufs->tbs_flags |= TLM_BUF_OUT_READY;  in tlm_buffer_release_out_buf()
258 	(void) cond_signal(&bufs->tbs_out_cv);  in tlm_buffer_release_out_buf()
259 	(void) mutex_unlock(&bufs->tbs_mtx);  in tlm_buffer_release_out_buf()
268 tlm_buffer_in_buf_wait(tlm_buffers_t *bufs)  in tlm_buffer_in_buf_wait()  argument
271 	(void) mutex_lock(&bufs->tbs_mtx);  in tlm_buffer_in_buf_wait()
273 	while ((bufs->tbs_flags & TLM_BUF_IN_READY) == 0)  in tlm_buffer_in_buf_wait()
274 		(void) cond_wait(&bufs->tbs_in_cv, &bufs->tbs_mtx);  in tlm_buffer_in_buf_wait()
276 	bufs->tbs_flags &= ~TLM_BUF_IN_READY;  in tlm_buffer_in_buf_wait()
278 	(void) mutex_unlock(&bufs->tbs_mtx);  in tlm_buffer_in_buf_wait()
306 tlm_buffer_in_buf_timed_wait(tlm_buffers_t *bufs, unsigned int milli_timo)  in tlm_buffer_in_buf_timed_wait()  argument
313 	(void) mutex_lock(&bufs->tbs_mtx);  in tlm_buffer_in_buf_timed_wait()
315 	(void) cond_reltimedwait(&bufs->tbs_in_cv, &bufs->tbs_mtx, &timo);  in tlm_buffer_in_buf_timed_wait()
321 	bufs->tbs_flags &= ~TLM_BUF_IN_READY;  in tlm_buffer_in_buf_timed_wait()
323 	(void) mutex_unlock(&bufs->tbs_mtx);  in tlm_buffer_in_buf_timed_wait()
333 tlm_buffer_out_buf_timed_wait(tlm_buffers_t *bufs, unsigned int milli_timo)  in tlm_buffer_out_buf_timed_wait()  argument
339 	(void) mutex_lock(&bufs->tbs_mtx);  in tlm_buffer_out_buf_timed_wait()
341 	(void) cond_reltimedwait(&bufs->tbs_out_cv, &bufs->tbs_mtx, &timo);  in tlm_buffer_out_buf_timed_wait()
347 	bufs->tbs_flags &= ~TLM_BUF_OUT_READY;  in tlm_buffer_out_buf_timed_wait()
349 	(void) mutex_unlock(&bufs->tbs_mtx);  in tlm_buffer_out_buf_timed_wait()