Commit 716cdbe0 authored by Alex Bennée's avatar Alex Bennée Committed by Laurent Vivier
Browse files

linux-user: avoid treading on gprof's SIGPROF signals 



The guest tends to get confused when it receives signals it doesn't
know about. Given the gprof magic has also set up it's own handler we
would do well to avoid stomping on it as well.

Signed-off-by: default avatarAlex Bennée <alex.bennee@linaro.org>
Message-Id: <20190502145846.26226-1-alex.bennee@linaro.org>
Signed-off-by: default avatarLaurent Vivier <laurent@vivier.eu>
parent d87146bc

linux-user/signal.c

+5 −0
Original line number Diff line number Diff line
@@ -508,6 +508,11 @@ void signal_init(void) 
    act.sa_flags = SA_SIGINFO;

    act.sa_sigaction = host_signal_handler;

    for(i = 1; i <= TARGET_NSIG; i++) {

#ifdef TARGET_GPROF

        if (i == SIGPROF) {

            continue;

        }

#endif

        host_sig = target_to_host_signal(i);

        sigaction(host_sig, NULL, &oact);

        if (oact.sa_sigaction == (void *)SIG_IGN) {