int file_thread_done(int thread_id)
{
if (file_io_mode == FILE_IO_MODE_ASYNC && aio_ctxts[thread_id].nrequests > 0)
return file_wait(thread_id, aio_ctxts[thread_id].nrequests);
return 0;
}
int file_submit_or_wait(struct iocb *iocb, sb_file_op_t type, ssize_t len,
int thread_id)
{
sb_aio_oper_t *oper;
struct iocb *iocbp;
oper = (sb_aio_oper_t *)malloc(sizeof(sb_aio_oper_t));
if (oper == NULL)
{
log_text(LOG_FATAL, "Failed to allocate AIO operation!");
return 1;
}
memcpy(&oper->iocb, iocb, sizeof(*iocb));
oper->type = type;
oper->len = len;
iocbp = &oper->iocb;
if (io_submit(aio_ctxts[thread_id].io_ctxt, 1, &iocbp) < 1)
{
log_errno(LOG_FATAL, "io_submit() failed!");
return 1;
}
aio_ctxts[thread_id].nrequests++;
if (aio_ctxts[thread_id].nrequests < file_async_backlog)
return 0;
return file_wait(thread_id, 1);
}
static int modem_power_enable(void)
{
int ret;
ret = file_write(MODEM_POWER_PATH, "off", 3);
if (ret < 0)
{
#ifdef CAVAN_DEBUG
error_msg("write file \"%s\"", MODEM_POWER_PATH);
#endif
return ret;
}
visual_ssleep(5);
ret = file_write(MODEM_POWER_PATH, "on", 2);
if (ret < 0)
{
#ifdef CAVAN_DEBUG
error_msg("write file \"%s\"", MODEM_POWER_PATH);
#endif
return ret;
}
visual_ssleep(5);
ret = file_wait(MODEM_TTY_DEVICE, "c", 10);
if (ret < 0)
{
#ifdef CAVAN_DEBUG
error_msg("modem power enable failed");
#endif
return ret;
}
visual_ssleep(5);
return set_usb_power();
}
