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core/reactor: add SIGFPE handler #311

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Merged
WillemKauf merged 1 commit into from
Aug 31, 2026
Merged

core/reactor: add SIGFPE handler #311

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6 changes: 6 additions & 0 deletions src/core/reactor.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -4442,6 +4442,11 @@ static void sigill_action(siginfo_t *info, ucontext_t* uc) noexcept {
reraise_signal(SIGILL);
}

static void sigfpe_action(siginfo_t *info, ucontext_t* uc) noexcept {
print_with_backtrace("Floating point exception");
reraise_signal(SIGFPE);
}

// We don't need to handle SIGSEGV when asan is enabled.
#ifdef SEASTAR_ASAN_ENABLED
template<>
Expand Down Expand Up @@ -4627,6 +4632,7 @@ void smp::configure(const smp_options& smp_opts, const reactor_options& reactor_
install_oneshot_signal_handler<SIGSEGV, sigsegv_action>();
install_oneshot_signal_handler<SIGABRT, sigabrt_action>();
install_oneshot_signal_handler<SIGILL, sigill_action>();
install_oneshot_signal_handler<SIGFPE, sigfpe_action>();

#ifdef SEASTAR_HAVE_DPDK
const auto* native_stack = dynamic_cast<const net::native_stack_options*>(reactor_opts.network_stack.get_selected_candidate_opts());
Expand Down
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