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/*
* This file is part of PowerDNS or dnsdist.
* Copyright -- PowerDNS.COM B.V. and its contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* In addition, for the avoidance of any doubt, permission is granted to
* link this program with OpenSSL and to (re)distribute the binaries
* produced as the result of such linking.
*
* This program 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.
*/
#include <string.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <pthread.h>
#if HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
#ifdef DNSDIST
#include "dolog.hh"
#else
#include "logger.hh"
#include "logging.hh"
#endif
#include "threadname.hh"
static int trySetThreadName(const std::string& threadName) {
int retval = 0;
#ifdef HAVE_PTHREAD_SETNAME_NP_2
retval = pthread_setname_np(pthread_self(), threadName.c_str());
#endif
#ifdef HAVE_PTHREAD_SET_NAME_NP_2
retval = pthread_set_name_np(pthread_self(), threadName.c_str());
#endif
#ifdef HAVE_PTHREAD_SET_NAME_NP_2_VOID
pthread_set_name_np(pthread_self(), threadName.c_str());
#endif
#ifdef HAVE_PTHREAD_SETNAME_NP_1
retval = pthread_setname_np(threadName.c_str());
#endif
#ifdef HAVE_PTHREAD_SETNAME_NP_3
retval = pthread_setname_np(pthread_self(), threadName.c_str(), nullptr);
#endif
return retval;
}
void setThreadName(const std::string& threadName) {
int retval = trySetThreadName(threadName);
if (retval == ERANGE) {
const std::string shortThreadName(threadName.substr(0, 15));
retval = trySetThreadName(shortThreadName);
}
if (retval != 0) {
#ifdef DNSDIST
warnlog("Could not set thread name %s for thread: %s", threadName, strerror(retval));
#else
SLOG(g_log<<Logger::Warning<<"Could not set thread name "<<threadName<<" for thread: "<<strerror(retval)<<endl,
g_slog->withName("runtime")->error(Logr::Warning, retval, "Could not set thread name", "name", Logging::Loggable(threadName)));
#endif
}
}
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