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Handle SIGTERM as a graceful exit, similar to the :kill! command

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Do not backup modified files, go through graceful destruction of
singletons.

Fixes #3528
This commit is contained in:
Maxime Coste 2020-07-07 20:41:40 +10:00
parent 91914a8501
commit 60dda1a597
1 changed files with 6 additions and 12 deletions
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18
src/main.cc
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@ -713,6 +713,7 @@ int run_server(StringView session, StringView server_init,
ConstArrayView<StringView> files)
{
static bool terminate = false;
set_signal_handler(SIGTERM, [](int) { terminate = true; });
if (flags & ServerFlags::Daemon)
{
if (session.empty())
@ -727,7 +728,6 @@ int run_server(StringView session, StringView server_init,
session, child));
exit(0);
}
set_signal_handler(SIGTERM, [](int) { terminate = true; });
}
EventManager event_manager;
@ -992,25 +992,19 @@ void signal_handler(int signal)
case SIGSEGV: text = "SIGSEGV"; break;
case SIGFPE: text = "SIGFPE"; break;
case SIGQUIT: text = "SIGQUIT"; break;
case SIGTERM: text = "SIGTERM"; break;
case SIGPIPE: text = "SIGPIPE"; break;
}
if (signal != SIGTERM)
{
auto msg = format("Received {}, exiting.\nPid: {}\nCallstack:\n{}",
text, getpid(), Backtrace{}.desc());
write_stderr(msg);
notify_fatal_error(msg);
}
auto msg = format("Received {}, exiting.\nPid: {}\nCallstack:\n{}",
text, getpid(), Backtrace{}.desc());
write_stderr(msg);
notify_fatal_error(msg);
if (Server::has_instance())
Server::instance().close_session();
if (BufferManager::has_instance())
BufferManager::instance().backup_modified_buffers();
if (signal == SIGTERM)
exit(-1);
else if (signal == SIGSEGV)
if (signal == SIGSEGV)
{
// generate core dump
::signal(SIGSEGV, SIG_DFL);