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Issue 5286010: Start using file_util symlink code, now that it's available. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Review change Created 10 years ago
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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "base/process_util.h" 5 #include "base/process_util.h"
6 6
7 #include <ctype.h> 7 #include <ctype.h>
8 #include <dirent.h> 8 #include <dirent.h>
9 #include <dlfcn.h> 9 #include <dlfcn.h>
10 #include <errno.h> 10 #include <errno.h>
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104 } 104 }
105 } 105 }
106 NOTREACHED(); 106 NOTREACHED();
107 return -1; 107 return -1;
108 } 108 }
109 109
110 FilePath GetProcessExecutablePath(ProcessHandle process) { 110 FilePath GetProcessExecutablePath(ProcessHandle process) {
111 FilePath stat_file("/proc"); 111 FilePath stat_file("/proc");
112 stat_file = stat_file.Append(base::IntToString(process)); 112 stat_file = stat_file.Append(base::IntToString(process));
113 stat_file = stat_file.Append("exe"); 113 stat_file = stat_file.Append("exe");
114 char exename[2048]; 114 FilePath exe_name;
115 ssize_t len = readlink(stat_file.value().c_str(), exename, sizeof(exename)); 115 if (!file_util::ReadSymbolicLink(stat_file, &exe_name)) {
116 if (len < 1) {
117 // No such process. Happens frequently in e.g. TerminateAllChromeProcesses 116 // No such process. Happens frequently in e.g. TerminateAllChromeProcesses
118 return FilePath(); 117 return FilePath();
119 } 118 }
120 return FilePath(std::string(exename, len)); 119 return exe_name;
121 } 120 }
122 121
123 ProcessIterator::ProcessIterator(const ProcessFilter* filter) 122 ProcessIterator::ProcessIterator(const ProcessFilter* filter)
124 : filter_(filter) { 123 : filter_(filter) {
125 procfs_dir_ = opendir("/proc"); 124 procfs_dir_ = opendir("/proc");
126 } 125 }
127 126
128 ProcessIterator::~ProcessIterator() { 127 ProcessIterator::~ProcessIterator() {
129 if (procfs_dir_) { 128 if (procfs_dir_) {
130 closedir(procfs_dir_); 129 closedir(procfs_dir_);
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697 696
698 if (!file_util::PathExists(oom_adj)) 697 if (!file_util::PathExists(oom_adj))
699 return false; 698 return false;
700 699
701 std::string score_str = base::IntToString(score); 700 std::string score_str = base::IntToString(score);
702 return (static_cast<int>(score_str.length()) == 701 return (static_cast<int>(score_str.length()) ==
703 file_util::WriteFile(oom_adj, score_str.c_str(), score_str.length())); 702 file_util::WriteFile(oom_adj, score_str.c_str(), score_str.length()));
704 } 703 }
705 704
706 } // namespace base 705 } // namespace base
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