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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "chrome/browser/process_info_snapshot.h" | 5 #include "chrome/browser/process_info_snapshot.h" |
6 | 6 |
7 #include <sys/types.h> // For |uid_t| (and |pid_t|). | 7 #include <sys/types.h> // For |uid_t| (and |pid_t|). |
8 #include <unistd.h> // For |getpid()|, |getuid()|, etc. | 8 #include <unistd.h> // For |getpid()|, |getuid()|, etc. |
9 | 9 |
10 #include <vector> | 10 #include <vector> |
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109 | 109 |
110 std::vector<std::string> argv; | 110 std::vector<std::string> argv; |
111 argv.push_back("/usr/bin/top"); | 111 argv.push_back("/usr/bin/top"); |
112 argv.push_back("-l"); | 112 argv.push_back("-l"); |
113 argv.push_back("0"); | 113 argv.push_back("0"); |
114 | 114 |
115 base::ProcessHandle process_handle; | 115 base::ProcessHandle process_handle; |
116 base::LaunchOptions options; | 116 base::LaunchOptions options; |
117 options.fds_to_remap = &fds_to_remap; | 117 options.fds_to_remap = &fds_to_remap; |
118 ASSERT_TRUE(base::LaunchProcess(argv, options, &process_handle)); | 118 ASSERT_TRUE(base::LaunchProcess(argv, options, &process_handle)); |
119 PCHECK(HANDLE_EINTR(close(fds[1])) == 0); | 119 PCHECK(IGNORE_EINTR(close(fds[1])) == 0); |
120 | 120 |
121 // Wait until there's some output form top. This is an easy way to tell that | 121 // Wait until there's some output form top. This is an easy way to tell that |
122 // the exec() call is done and top is actually running. | 122 // the exec() call is done and top is actually running. |
123 char buf[1]; | 123 char buf[1]; |
124 PCHECK(HANDLE_EINTR(read(fds[0], buf, 1)) == 1); | 124 PCHECK(HANDLE_EINTR(read(fds[0], buf, 1)) == 1); |
125 | 125 |
126 std::vector<base::ProcessId> pid_list; | 126 std::vector<base::ProcessId> pid_list; |
127 pid_list.push_back(process_handle); | 127 pid_list.push_back(process_handle); |
128 ProcessInfoSnapshot snapshot; | 128 ProcessInfoSnapshot snapshot; |
129 ASSERT_TRUE(snapshot.Sample(pid_list)); | 129 ASSERT_TRUE(snapshot.Sample(pid_list)); |
130 | 130 |
131 ProcessInfoSnapshot::ProcInfoEntry proc_info; | 131 ProcessInfoSnapshot::ProcInfoEntry proc_info; |
132 ASSERT_TRUE(snapshot.GetProcInfo(process_handle, &proc_info)); | 132 ASSERT_TRUE(snapshot.GetProcInfo(process_handle, &proc_info)); |
133 // Effective user ID should be 0 (root). | 133 // Effective user ID should be 0 (root). |
134 EXPECT_EQ(proc_info.euid, 0u); | 134 EXPECT_EQ(proc_info.euid, 0u); |
135 // Real user ID should match the calling process's user id. | 135 // Real user ID should match the calling process's user id. |
136 EXPECT_EQ(proc_info.uid, geteuid()); | 136 EXPECT_EQ(proc_info.uid, geteuid()); |
137 | 137 |
138 ASSERT_TRUE(base::KillProcess(process_handle, 0, true)); | 138 ASSERT_TRUE(base::KillProcess(process_handle, 0, true)); |
139 PCHECK(HANDLE_EINTR(close(fds[0])) == 0); | 139 PCHECK(IGNORE_EINTR(close(fds[0])) == 0); |
140 } | 140 } |
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