genode/repos/base-nova/src/lib/base-common/signal_transmitter.cc

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977 B
C++

/*
* \brief NOVA specific implementation of the signaling framework
* \author Alexander Boettcher
* \date 2015-03-16
*/
/*
* Copyright (C) 2015-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
/* Genode includes */
#include <base/signal.h>
#include <base/log.h>
#include <base/trace/events.h>
/* base-internal includes */
#include <base/internal/globals.h>
/* NOVA includes */
#include <nova/syscalls.h>
using namespace Genode;
void Genode::init_signal_transmitter(Env &) { }
void Signal_transmitter::submit(unsigned cnt)
{
{
Trace::Signal_submit trace_event(cnt);
}
if (!_context.valid())
return;
using namespace Nova;
uint8_t res = NOVA_OK;
for (unsigned i = 0; res == NOVA_OK && i < cnt; i++)
res = sm_ctrl(_context.local_name(), SEMAPHORE_UP);
if (res == NOVA_OK)
return;
_context = Signal_context_capability();
}