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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/trace/daemonif.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2012,2016 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
#include "daemonif.H"
namespace TRACE
{
DaemonIf::DaemonIf() :
iv_queue(msg_q_create()), iv_signalled(0), iv_running(false)
{
}
DaemonIf::~DaemonIf()
{
if (iv_running)
{
msg_t* msg = msg_allocate();
msg->type = TRACE_DAEMON_SHUTDOWN;
msg_sendrecv(iv_queue, msg);
msg_free(msg);
}
msg_q_destroy(iv_queue);
}
void DaemonIf::signal(bool i_blocking)
{
// Atomically increment the signal count.
uint16_t count = __sync_fetch_and_add(&iv_signalled, 1);
// Send a message if this is the first, or requested to be blocking.
if ((count == 0) || (i_blocking))
{
msg_t* msg = msg_allocate();
msg->type = TRACE_DAEMON_SIGNAL;
if (i_blocking)
{
msg_sendrecv(iv_queue, msg); // sync message due to 'blocking'.
}
else
{
msg_send(iv_queue, msg); // async message request.
}
}
}
void DaemonIf::continousMode(bool i_enable)
{
msg_t* msg = msg_allocate();
msg->type = TRACE_CONT_TRACE_STATE;
msg->data[0] = i_enable ? 0x1 : 0x0; //needs to be a zero/one
msg_sendrecv(iv_queue, msg);
msg_free(msg);
}
}
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