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git.ipfire.org Git - thirdparty/pdns.git/blob - pdns/threadname.cc
2 * This file is part of PowerDNS or dnsdist.
3 * Copyright -- PowerDNS.COM B.V. and its contributors
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * In addition, for the avoidance of any doubt, permission is granted to
10 * link this program with OpenSSL and to (re)distribute the binaries
11 * produced as the result of such linking.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
31 #include <pthread_np.h>
41 #include "threadname.hh"
43 static int trySetThreadName(const std::string
& threadName
) {
46 #ifdef HAVE_PTHREAD_SETNAME_NP_2
47 retval
= pthread_setname_np(pthread_self(), threadName
.c_str());
49 #ifdef HAVE_PTHREAD_SET_NAME_NP_2
50 retval
= pthread_set_name_np(pthread_self(), threadName
.c_str());
52 #ifdef HAVE_PTHREAD_SET_NAME_NP_2_VOID
53 pthread_set_name_np(pthread_self(), threadName
.c_str());
55 #ifdef HAVE_PTHREAD_SETNAME_NP_1
56 retval
= pthread_setname_np(threadName
.c_str());
58 #ifdef HAVE_PTHREAD_SETNAME_NP_3
59 retval
= pthread_setname_np(pthread_self(), threadName
.c_str(), nullptr);
65 void setThreadName(const std::string
& threadName
) {
66 int retval
= trySetThreadName(threadName
);
67 if (retval
== ERANGE
) {
68 const std::string
shortThreadName(threadName
.substr(0, 15));
69 retval
= trySetThreadName(shortThreadName
);
74 warnlog("Could not set thread name %s for thread: %s", threadName
, strerror(retval
));
76 SLOG(g_log
<<Logger::Warning
<<"Could not set thread name "<<threadName
<<" for thread: "<<strerror(retval
)<<endl
,
77 g_slog
->withName("runtime")->error(Logr::Warning
, retval
, "Could not set thread name", "name", Logging::Loggable(threadName
)));