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fix signal-unsafe call inside of a signal

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badaix 2019-10-27 18:22:35 +01:00
parent f045602915
commit 1690f5ccc1
3 changed files with 41 additions and 48 deletions
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44
client/snapclient.cpp
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@ -16,6 +16,7 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include <chrono>
#include <iostream>
#include <sys/resource.h>
@ -39,7 +40,7 @@
using namespace std;
using namespace popl;
volatile sig_atomic_t g_terminated = false;
using namespace std::chrono_literals;
PcmDevice getPcmDevice(const std::string& soundcard)
{
@ -172,11 +173,6 @@ int main(int argc, char** argv)
AixLog::Log::instance().add_logsink<AixLog::SinkCout>(AixLog::Severity::info, AixLog::Type::all, "%Y-%m-%d %H-%M-%S [#severity]");
}
signal(SIGHUP, signal_handler);
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
#ifdef HAS_DAEMON
std::unique_ptr<Daemon> daemon;
if (daemonOption->is_set())
@ -218,13 +214,24 @@ int main(int argc, char** argv)
}
#endif
auto signal_handler = install_signal_handler({SIGHUP, SIGTERM, SIGINT});
bool active = true;
if (host.empty())
{
#if defined(HAS_AVAHI) || defined(HAS_BONJOUR)
BrowseZeroConf browser;
mDNSResult avahiResult;
while (!g_terminated)
while (true)
{
auto status = signal_handler.wait_for(500ms);
if (status == future_status::ready)
{
active = false;
int sig = signal_handler.get();
SLOG(INFO) << "Received signal " << sig << ": " << strsignal(sig) << "\n";
break;
}
cerr << "valid: " << signal_handler.valid() << ", status: " << (int)status << "\n";
try
{
if (browser.browse("_snapcast._tcp", avahiResult, 5000))
@ -241,24 +248,25 @@ int main(int argc, char** argv)
{
SLOG(ERROR) << "Exception: " << e.what() << std::endl;
}
chronos::sleep(500);
}
#endif
}
// Setup metadata handling
std::shared_ptr<MetadataAdapter> meta;
meta.reset(new MetadataAdapter);
if (metaStderr)
meta.reset(new MetaStderrAdapter);
std::unique_ptr<Controller> controller(new Controller(hostIdValue->value(), instance, meta));
if (!g_terminated)
if (active)
{
// Setup metadata handling
std::shared_ptr<MetadataAdapter> meta;
meta.reset(new MetadataAdapter);
if (metaStderr)
meta.reset(new MetaStderrAdapter);
std::unique_ptr<Controller> controller(new Controller(hostIdValue->value(), instance, meta));
LOG(INFO) << "Latency: " << latency << "\n";
controller->start(pcmDevice, host, port, latency);
while (!g_terminated)
chronos::sleep(100);
signal_handler.wait();
int sig = signal_handler.get();
SLOG(INFO) << "Received signal " << sig << ": " << strsignal(sig) << "\n";
controller->stop();
}
}