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changeset 23020:bbceafdc7a5f

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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
author minqi
date Thu, 14 May 2015 20:56:57 -0700
parents 1e96e4389302
children e4a1ff4e5cae
files src/os/aix/vm/os_aix.cpp src/os/bsd/vm/os_bsd.cpp src/os/linux/vm/os_linux.cpp src/os/solaris/vm/os_solaris.cpp
diffstat 4 files changed, 23 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/src/os/aix/vm/os_aix.cpp	Thu May 07 19:37:47 2015 -0700
+++ b/src/os/aix/vm/os_aix.cpp	Thu May 14 20:56:57 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * 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.
  *
@@ -3727,6 +3727,11 @@
     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));
--- a/src/os/bsd/vm/os_bsd.cpp	Thu May 07 19:37:47 2015 -0700
+++ b/src/os/bsd/vm/os_bsd.cpp	Thu May 14 20:56:57 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. 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
@@ -3551,6 +3551,11 @@
     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::Bsd::get_our_sigflags(sig) != 0 && (int)act.sa_flags != os::Bsd::get_our_sigflags(sig)) {
     tty->print("Warning: %s handler flags ", exception_name(sig, buf, O_BUFLEN));
     tty->print("expected:" PTR32_FORMAT, os::Bsd::get_our_sigflags(sig));
--- a/src/os/linux/vm/os_linux.cpp	Thu May 07 19:37:47 2015 -0700
+++ b/src/os/linux/vm/os_linux.cpp	Thu May 14 20:56:57 2015 -0700
@@ -4635,6 +4635,11 @@
     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::Linux::get_our_sigflags(sig) != 0 && (int)act.sa_flags != os::Linux::get_our_sigflags(sig)) {
     tty->print("Warning: %s handler flags ", exception_name(sig, buf, O_BUFLEN));
     tty->print("expected:" PTR32_FORMAT, os::Linux::get_our_sigflags(sig));
--- a/src/os/solaris/vm/os_solaris.cpp	Thu May 07 19:37:47 2015 -0700
+++ b/src/os/solaris/vm/os_solaris.cpp	Thu May 14 20:56:57 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. 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
@@ -4593,6 +4593,11 @@
     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::Solaris::get_our_sigflags(sig) != 0 && act.sa_flags != os::Solaris::get_our_sigflags(sig)) {
     tty->print("Warning: %s handler flags ", exception_name(sig, buf, O_BUFLEN));
     tty->print("expected:" PTR32_FORMAT, os::Solaris::get_our_sigflags(sig));