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comparison src/os/bsd/vm/perfMemory_bsd.cpp @ 23455:9f8038f83a6e

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8130910: hsperfdata file is created in wrong directory and not cleaned up if /tmp/hsperfdata_<username> has wrong permissions Summary: Add check for fchir() failure and disable shared PerfMemory in that case. Reviewed-by: dcubed, simonis, gthornbr
author clanger
date Tue, 17 Nov 2015 09:39:45 -0800
parents f3ffb37f88a6
children 2d23269a45a0
comparison
equal deleted inserted replaced
23454:714096aec397 23455:9f8038f83a6e
1 /* 1 /*
2 * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2001, 2015, 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.
373 *saved_cwd_fd = -1; 373 *saved_cwd_fd = -1;
374 } else { 374 } else {
375 *saved_cwd_fd = result; 375 *saved_cwd_fd = result;
376 } 376 }
377 377
378 // Set the current directory to dirname by using the fd of the directory. 378 // Set the current directory to dirname by using the fd of the directory and
379 // handle errors, otherwise shared memory files will be created in cwd.
379 result = fchdir(fd); 380 result = fchdir(fd);
380 381 if (result == OS_ERR) {
381 return dirp; 382 if (PrintMiscellaneous && Verbose) {
383 warning("could not change to directory %s", dirname);
384 }
385 if (*saved_cwd_fd != -1) {
386 ::close(*saved_cwd_fd);
387 *saved_cwd_fd = -1;
388 }
389 // Close the directory.
390 os::closedir(dirp);
391 return NULL;
392 } else {
393 return dirp;
394 }
382 } 395 }
383 396
384 // Close the directory and restore the current working directory. 397 // Close the directory and restore the current working directory.
385 // 398 //
386 static void close_directory_secure_cwd(DIR* dirp, int saved_cwd_fd) { 399 static void close_directory_secure_cwd(DIR* dirp, int saved_cwd_fd) {