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comparison src/os/bsd/vm/attachListener_bsd.cpp @ 11139:2e8f19c2feef

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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 52dd54de4e74
comparison
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11136:dbc0b5dc08f5 11139:2e8f19c2feef
1 /* 1 /*
2 * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
435 thread->check_and_wait_while_suspended(); 435 thread->check_and_wait_while_suspended();
436 436
437 return op; 437 return op;
438 } 438 }
439 439
440
441 // Performs initialization at vm startup
442 // For BSD we remove any stale .java_pid file which could cause
443 // an attaching process to think we are ready to receive on the
444 // domain socket before we are properly initialized
445
446 void AttachListener::vm_start() {
447 char fn[UNIX_PATH_MAX];
448 struct stat64 st;
449 int ret;
450
451 int n = snprintf(fn, UNIX_PATH_MAX, "%s/.java_pid%d",
452 os::get_temp_directory(), os::current_process_id());
453 assert(n < (int)UNIX_PATH_MAX, "java_pid file name buffer overflow");
454
455 RESTARTABLE(::stat64(fn, &st), ret);
456 if (ret == 0) {
457 ret = ::unlink(fn);
458 if (ret == -1) {
459 debug_only(warning("failed to remove stale attach pid file at %s", fn));
460 }
461 }
462 }
463
440 int AttachListener::pd_init() { 464 int AttachListener::pd_init() {
441 JavaThread* thread = JavaThread::current(); 465 JavaThread* thread = JavaThread::current();
442 ThreadBlockInVM tbivm(thread); 466 ThreadBlockInVM tbivm(thread);
443 467
444 thread->set_suspend_equivalent(); 468 thread->set_suspend_equivalent();