src/share/vm/jfr/recorder/repository/jfrChunkWriter.cpp

rev 9051 : 8217362: Emergency dump does not work when disk=false is set
Reviewed-by: egahlin, ysuenaga
Contributed-by: yasuenag@gmail.com

*** 1,7 ****
  /*
!  * Copyright (c) 2012, 2018, 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
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 2012, 2019, 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
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 45,61 ****
    assert(_chunkstate == NULL, "invariant");
    _chunkstate = new JfrChunkState();
    return _chunkstate != NULL;
  }
  
- static fio_fd open_existing(const char* path) {
-   return os::open(path, O_RDWR, S_IREAD | S_IWRITE);
- }
- 
  static fio_fd open_chunk(const char* path) {
    assert(JfrStream_lock->owned_by_self(), "invariant");
!   return path != NULL ? open_existing(path) : invalid_fd;
  }
  
  bool JfrChunkWriter::open() {
    assert(_chunkstate != NULL, "invariant");
    JfrChunkWriterBase::reset(open_chunk(_chunkstate->path()));
--- 45,57 ----
    assert(_chunkstate == NULL, "invariant");
    _chunkstate = new JfrChunkState();
    return _chunkstate != NULL;
  }
  
  static fio_fd open_chunk(const char* path) {
    assert(JfrStream_lock->owned_by_self(), "invariant");
!   return path != NULL ? os::open(path, O_CREAT | O_RDWR, S_IREAD | S_IWRITE) : invalid_fd;
  }
  
  bool JfrChunkWriter::open() {
    assert(_chunkstate != NULL, "invariant");
    JfrChunkWriterBase::reset(open_chunk(_chunkstate->path()));