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hotspot/src/os/aix/vm/os_aix.cpp
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rev 7358 : 6536943: Bogus -Xcheck:jni warning for SIG_INT action for SIGINT in JVM started from non-interactive shell
Summary: check_signal_handler will print out Warning for SHURDOWN2_SIGNAL (SIGINT) is replaced by non-interactive shell. Fix by supply more information of the replacement to user.
Reviewed-by: dholmes
Contributed-by: yumin.qi@oracle.com
@@ -1,7 +1,7 @@
/*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
* Copyright 2012, 2014 SAP AG. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
@@ -3725,10 +3725,15 @@
tty->print("Warning: %s handler ", exception_name(sig, buf, O_BUFLEN));
tty->print("expected:%s", get_signal_handler_name(jvmHandler, buf, O_BUFLEN));
tty->print_cr(" found:%s", get_signal_handler_name(thisHandler, buf, O_BUFLEN));
// No need to check this sig any longer
sigaddset(&check_signal_done, sig);
+ // Running under non-interactive shell, SHUTDOWN2_SIGNAL will be reassigned SIG_IGN
+ if (sig == SHUTDOWN2_SIGNAL && !isatty(fileno(stdin))) {
+ tty->print_cr("Running in non-interactive shell, %s handler is replaced by shell",
+ exception_name(sig, buf, O_BUFLEN));
+ }
} else if (os::Aix::get_our_sigflags(sig) != 0 && (int)act.sa_flags != os::Aix::get_our_sigflags(sig)) {
tty->print("Warning: %s handler flags ", exception_name(sig, buf, O_BUFLEN));
tty->print("expected:" PTR32_FORMAT, os::Aix::get_our_sigflags(sig));
tty->print_cr(" found:" PTR32_FORMAT, act.sa_flags);
// No need to check this sig any longer
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