Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/os/linux/vm/perfMemory_linux.cpp
src/os/linux/vm/perfMemory_linux.cpp
- changeset 9711
- 0f2fe7d37d8c
- parent 9507
- 7e72702243a4
- child 9756
- 2be326848943
- child 9858
- b985cbb00e68
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| 9710:5d306df084eb | 9711:0f2fe7d37d8c |
|---|---|
| 531 // open the directory and check if the file for the given vmid exists. | 531 // open the directory and check if the file for the given vmid exists. |
| 532 // The file with the expected name and the latest creation date is used | 532 // The file with the expected name and the latest creation date is used |
| 533 // to determine the user name for the process id. | 533 // to determine the user name for the process id. |
| 534 // | 534 // |
| 535 struct dirent* dentry; | 535 struct dirent* dentry; |
| 536 char* tdbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(tmpdirname), mtInternal); | |
| 537 errno = 0; | 536 errno = 0; |
| 538 while ((dentry = os::readdir(tmpdirp, (struct dirent *)tdbuf)) != NULL) { | 537 while ((dentry = os::readdir(tmpdirp)) != NULL) { |
| 539 | 538 |
| 540 // check if the directory entry is a hsperfdata file | 539 // check if the directory entry is a hsperfdata file |
| 541 if (strncmp(dentry->d_name, PERFDATA_NAME, strlen(PERFDATA_NAME)) != 0) { | 540 if (strncmp(dentry->d_name, PERFDATA_NAME, strlen(PERFDATA_NAME)) != 0) { |
| 542 continue; | 541 continue; |
| 543 } | 542 } |
| 567 os::closedir(subdirp); | 566 os::closedir(subdirp); |
| 568 continue; | 567 continue; |
| 569 } | 568 } |
| 570 | 569 |
| 571 struct dirent* udentry; | 570 struct dirent* udentry; |
| 572 char* udbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(usrdir_name), mtInternal); | |
| 573 errno = 0; | 571 errno = 0; |
| 574 while ((udentry = os::readdir(subdirp, (struct dirent *)udbuf)) != NULL) { | 572 while ((udentry = os::readdir(subdirp)) != NULL) { |
| 575 | 573 |
| 576 if (filename_to_pid(udentry->d_name) == vmid) { | 574 if (filename_to_pid(udentry->d_name) == vmid) { |
| 577 struct stat statbuf; | 575 struct stat statbuf; |
| 578 int result; | 576 int result; |
| 579 | 577 |
| 613 | 611 |
| 614 FREE_C_HEAP_ARRAY(char, filename, mtInternal); | 612 FREE_C_HEAP_ARRAY(char, filename, mtInternal); |
| 615 } | 613 } |
| 616 } | 614 } |
| 617 os::closedir(subdirp); | 615 os::closedir(subdirp); |
| 618 FREE_C_HEAP_ARRAY(char, udbuf, mtInternal); | |
| 619 FREE_C_HEAP_ARRAY(char, usrdir_name, mtInternal); | 616 FREE_C_HEAP_ARRAY(char, usrdir_name, mtInternal); |
| 620 } | 617 } |
| 621 os::closedir(tmpdirp); | 618 os::closedir(tmpdirp); |
| 622 FREE_C_HEAP_ARRAY(char, tdbuf, mtInternal); | |
| 623 | 619 |
| 624 return(oldest_user); | 620 return(oldest_user); |
| 625 } | 621 } |
| 626 | 622 |
| 627 // return the name of the user that owns the JVM indicated by the given vmid. | 623 // return the name of the user that owns the JVM indicated by the given vmid. |
| 696 // remove or create new files in this directory. The behavior of this | 692 // remove or create new files in this directory. The behavior of this |
| 697 // loop under these conditions is dependent upon the implementation of | 693 // loop under these conditions is dependent upon the implementation of |
| 698 // opendir/readdir. | 694 // opendir/readdir. |
| 699 // | 695 // |
| 700 struct dirent* entry; | 696 struct dirent* entry; |
| 701 char* dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(dirname), mtInternal); | |
| 702 | |
| 703 errno = 0; | 697 errno = 0; |
| 704 while ((entry = os::readdir(dirp, (struct dirent *)dbuf)) != NULL) { | 698 while ((entry = os::readdir(dirp)) != NULL) { |
| 705 | 699 |
| 706 pid_t pid = filename_to_pid(entry->d_name); | 700 pid_t pid = filename_to_pid(entry->d_name); |
| 707 | 701 |
| 708 if (pid == 0) { | 702 if (pid == 0) { |
| 709 | 703 |
| 736 errno = 0; | 730 errno = 0; |
| 737 } | 731 } |
| 738 | 732 |
| 739 // close the directory and reset the current working directory | 733 // close the directory and reset the current working directory |
| 740 close_directory_secure_cwd(dirp, saved_cwd_fd); | 734 close_directory_secure_cwd(dirp, saved_cwd_fd); |
| 741 | |
| 742 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); | |
| 743 } | 735 } |
| 744 | 736 |
| 745 // make the user specific temporary directory. Returns true if | 737 // make the user specific temporary directory. Returns true if |
| 746 // the directory exists and is secure upon return. Returns false | 738 // the directory exists and is secure upon return. Returns false |
| 747 // if the directory exists but is either a symlink, is otherwise | 739 // if the directory exists but is either a symlink, is otherwise |
