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fix(server): setup sigill handler (#183) (#198)

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Signed-off-by: iko1 <me@remotecpp.dev>
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iko1 2022-07-09 22:36:05 +03:00 committed by GitHub
parent 2b0869c16d
commit 7adf80fccd
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1 changed files with 14 additions and 0 deletions
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14
src/server/dfly_main.cc
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@ -1,3 +1,4 @@
// Copyright 2022, Roman Gershman. All rights reserved.
// See LICENSE for licensing terms.
//
@ -6,6 +7,7 @@
#include <mimalloc-new-delete.h>
#endif
#include <signal.h>
#include <liburing.h>
#include <absl/flags/usage.h>
#include <absl/flags/usage_config.h>
@ -137,6 +139,13 @@ extern "C" void _mi_options_init();
using namespace dfly;
void sigill_hdlr(int signo) {
LOG(ERROR)
<< "An attempt to execute an instruction failed."
<< "The root cause might be an old hardware. Exiting...";
exit(1);
}
int main(int argc, char* argv[]) {
absl::SetProgramUsageMessage(
R"(a modern in-memory store.
@ -157,6 +166,11 @@ Usage: dragonfly [FLAGS]
MainInitGuard guard(&argc, &argv);
struct sigaction act;
act.sa_handler = sigill_hdlr;
sigemptyset(&act.sa_mask);
sigaction(SIGILL, &act, nullptr);
CHECK_GT(GetFlag(FLAGS_port), 0u);
mi_stats_reset();