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8072694: Need errno info when CDS archive creation fails

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Add errno output to error message when CDS archive creation fails

Reviewed-by: dholmes, lfoltan
This commit is contained in:
Harold Seigel 2015-02-10 09:25:00 -05:00
parent c6b7e46d0d
commit 811df313ff
1 changed files with 3 additions and 2 deletions
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5
hotspot/src/share/vm/memory/filemap.cpp
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -388,7 +388,8 @@ void FileMapInfo::open_for_write() {
remove(_full_path); remove(_full_path);
int fd = open(_full_path, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0444); int fd = open(_full_path, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0444);
if (fd < 0) { if (fd < 0) {
fail_stop("Unable to create shared archive file %s.", _full_path); fail_stop("Unable to create shared archive file %s: (%s).", _full_path,
strerror(errno));
} }
_fd = fd; _fd = fd;
_file_offset = 0; _file_offset = 0;