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/* -*- c++ -*- */
/*
* Copyright 2007 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <mb_worker.h>
#include <mb_runtime_thread_per_block.h>
#include <mb_exception.h>
#include <mb_mblock.h>
#include <mb_gettid.h>
#include <mb_msg_accepter.h>
#include <iostream>
#ifdef HAVE_SCHED_H
#include <sched.h>
#endif
#define VERBOSE 0 // define to 0 or 1
static pmt_t s_worker_state_changed = pmt_intern("%worker-state-changed");
mb_worker::mb_worker(mb_runtime_thread_per_block *runtime,
mb_mblock_maker_t maker,
const std::string &instance_name,
pmt_t user_arg)
: omni_thread((void *) 0, PRIORITY_NORMAL),
d_runtime(runtime), d_maker(maker),
d_instance_name(instance_name), d_user_arg(user_arg),
d_state_cond(&d_mutex), d_state(TS_UNINITIALIZED),
d_why_dead(RIP_NOT_DEAD_YET)
{
}
#if 0
mb_worker::~mb_worker()
{
}
#endif
#ifdef HAVE_SCHED_SETAFFINITY
static void
set_affinity(const std::string &instance_name, const std::string &class_name)
{
//static int counter = 0;
cpu_set_t mask;
CPU_ZERO(&mask);
if (0){
//CPU_SET(counter & 0x1, &mask);
//counter++;
CPU_SET(0, &mask);
int r = sched_setaffinity(mb_gettid(), sizeof(mask), &mask);
if (r == -1)
perror("sched_setaffinity");
}
}
#else
static void
set_affinity(const std::string &instance_name, const std::string &class_name)
{
}
#endif
void
mb_worker::set_state(worker_state_t state)
{
{
omni_mutex_lock l2(d_mutex);
d_state = state; // update our state
d_state_cond.broadcast(); // Notify everybody who cares...
}
// send msg to runtime, telling it something changed.
(*d_runtime->accepter())(s_worker_state_changed, PMT_F, PMT_F, MB_PRI_BEST);
}
void *
mb_worker::run_undetached(void *ignored)
{
// FIXME add pthread_sigmask stuff
//set_affinity(d_instance_name, d_class_name);
set_affinity(d_instance_name, "");
try {
worker_thread_top_level();
d_why_dead = RIP_EXIT;
}
catch (mbe_terminate){
d_why_dead = RIP_TERMINATE;
}
catch (mbe_exit){
d_why_dead = RIP_EXIT;
}
catch (std::logic_error e){
if (d_why_dead == RIP_NOT_DEAD_YET)
d_why_dead = RIP_UNHANDLED_EXCEPTION;
std::cerr << "\nmb_worker::run_undetached: unhandled exception:\n";
std::cerr << " " << e.what() << std::endl;
}
catch (...){
if (d_why_dead == RIP_NOT_DEAD_YET)
d_why_dead = RIP_UNHANDLED_EXCEPTION;
}
if (VERBOSE)
std::cerr << "\nrun_undetached: about to return, d_why_dead = "
<< d_why_dead << std::endl;
set_state(TS_DEAD);
return 0;
}
void
mb_worker::worker_thread_top_level()
{
if (VERBOSE)
std::cerr << "worker_thread_top_level (enter):" << std::endl
<< " instance_name: " << d_instance_name << std::endl
<< " omnithread id: " << id() << std::endl
<< " gettid: " << mb_gettid() << std::endl
<< " getpid: " << getpid() << std::endl;
cause_of_death_t pending_cause_of_death = RIP_NOT_DEAD_YET;
try {
pending_cause_of_death = RIP_CTOR_EXCEPTION;
d_mblock = d_maker(d_runtime, d_instance_name, d_user_arg);
if (VERBOSE)
std::cerr << "worker_thread_top_level (post-construction):" << std::endl
<< " instance_name: " << d_instance_name << std::endl;
pending_cause_of_death = RIP_INIT_EXCEPTION;
d_mblock->initial_transition();
if (VERBOSE)
std::cerr << "worker_thread_top_level (post-initial-transition):" << std::endl
<< " instance_name: " << d_instance_name << std::endl;
set_state(TS_RUNNING);
pending_cause_of_death = RIP_UNHANDLED_EXCEPTION;
d_mblock->main_loop();
}
catch (...){
d_why_dead = pending_cause_of_death;
throw;
}
if (VERBOSE)
std::cerr << "worker_thread_top_level (exit):" << std::endl
<< " instance_name: " << d_instance_name << std::endl;
}
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