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: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20190502145846.26226-1-alex.bennee@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
diff --git a/linux-user/signal.c b/linux-user/signal.c
index e2c0b37..44b2d3b 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -508,6 +508,11 @@
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) {
