Mercurial > hg > graal-jvmci-8
diff src/os/solaris/vm/attachListener_solaris.cpp @ 11139:2e8f19c2feef
7162400: Intermittent java.io.IOException: Bad file number during HotSpotVirtualMachine.executeCommand
Summary: Intermittent java.io.IOException: Bad file number during HotSpotVirtualMachine.executeCommand
Reviewed-by: dcubed, dholmes, sspitsyn, mgerdin, ctornqvi, dsamersoff
author | allwin |
---|---|
date | Fri, 12 Jul 2013 18:43:27 +0200 |
parents | e95fc50106cf |
children |
line wrap: on
line diff
--- a/src/os/solaris/vm/attachListener_solaris.cpp Wed Jul 10 15:49:15 2013 +0000 +++ b/src/os/solaris/vm/attachListener_solaris.cpp Fri Jul 12 18:43:27 2013 +0200 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2005, 2013, 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 @@ -576,6 +576,30 @@ return op; } + +// Performs initialization at vm startup +// For Solaris we remove any stale .java_pid file which could cause +// an attaching process to think we are ready to receive a door_call +// before we are properly initialized + +void AttachListener::vm_start() { + char fn[PATH_MAX+1]; + struct stat64 st; + int ret; + + int n = snprintf(fn, sizeof(fn), "%s/.java_pid%d", + os::get_temp_directory(), os::current_process_id()); + assert(n < sizeof(fn), "java_pid file name buffer overflow"); + + RESTARTABLE(::stat64(fn, &st), ret); + if (ret == 0) { + ret = ::unlink(fn); + if (ret == -1) { + debug_only(warning("failed to remove stale attach pid file at %s", fn)); + } + } +} + int AttachListener::pd_init() { JavaThread* thread = JavaThread::current(); ThreadBlockInVM tbivm(thread);