int bb_wq_push(struct bb_session *bbs, char *buf, size_t len, int free_it) {
if (wq_push(&bbs->writer, buf, len, free_it, 0)) return -1;
// an item has been pushed, start the ev_io
ev_io_start(blastbeat.loop, &bbs->writer.writer);
return 0;
}
int bb_wq_push_close(struct bb_session *bbs) {
if (wq_push(&bbs->writer, NULL, 0, 0, 1)) return -1;
// an item has been pushed, start the ev_io
ev_io_start(blastbeat.loop, &bbs->writer.writer);
return 0;
}
// thread relinquish use of the processor
// and wait in the ready queuee
void th_yield()
{
entry_section();
if (threads[curr]->state == RUNNING)
rq_push(curr);
else if (threads[curr]->state == WAITING)
wq_push(curr);
// transfer the control to the next thread
if (rq_begin != rq_end) {
int old = curr;
curr = rq_front();
rq_pop();
threads[curr]->state = RUNNING;
exit_section();
th_swap(threads[old], threads[curr]);
entry_section();
recycle_dead();
}
exit_section();
}
int bb_wq_push_copy(struct bb_session *bbs, char *buf, size_t len, int free_it) {
char *new_buf = malloc(len);
if (!new_buf) {
bb_error("unable to allocate memory for writequeue item: malloc()");
return -1;
}
memcpy(new_buf, buf, len);
if (wq_push(&bbs->writer, new_buf, len, free_it, 0)) return -1;
// an item has been pushed, start the ev_io
ev_io_start(blastbeat.loop, &bbs->writer.writer);
return 0;
}
