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Issue 1543293004: Switch to standard integer types in base/process/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: ssize_t Created 5 years ago
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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 "base/process/internal_linux.h" 5 #include "base/process/internal_linux.h"
6 6
7 #include <unistd.h> 7 #include <unistd.h>
8 8
9 #include <map> 9 #include <map>
10 #include <string> 10 #include <string>
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107 107
108 typedef std::map<std::string, std::string> ProcStatMap; 108 typedef std::map<std::string, std::string> ProcStatMap;
109 void ParseProcStat(const std::string& contents, ProcStatMap* output) { 109 void ParseProcStat(const std::string& contents, ProcStatMap* output) {
110 StringPairs key_value_pairs; 110 StringPairs key_value_pairs;
111 SplitStringIntoKeyValuePairs(contents, ' ', '\n', &key_value_pairs); 111 SplitStringIntoKeyValuePairs(contents, ' ', '\n', &key_value_pairs);
112 for (size_t i = 0; i < key_value_pairs.size(); ++i) { 112 for (size_t i = 0; i < key_value_pairs.size(); ++i) {
113 output->insert(key_value_pairs[i]); 113 output->insert(key_value_pairs[i]);
114 } 114 }
115 } 115 }
116 116
117 int64 GetProcStatsFieldAsInt64(const std::vector<std::string>& proc_stats, 117 int64_t GetProcStatsFieldAsInt64(const std::vector<std::string>& proc_stats,
118 ProcStatsFields field_num) { 118 ProcStatsFields field_num) {
119 DCHECK_GE(field_num, VM_PPID); 119 DCHECK_GE(field_num, VM_PPID);
120 CHECK_LT(static_cast<size_t>(field_num), proc_stats.size()); 120 CHECK_LT(static_cast<size_t>(field_num), proc_stats.size());
121 121
122 int64 value; 122 int64_t value;
123 return StringToInt64(proc_stats[field_num], &value) ? value : 0; 123 return StringToInt64(proc_stats[field_num], &value) ? value : 0;
124 } 124 }
125 125
126 size_t GetProcStatsFieldAsSizeT(const std::vector<std::string>& proc_stats, 126 size_t GetProcStatsFieldAsSizeT(const std::vector<std::string>& proc_stats,
127 ProcStatsFields field_num) { 127 ProcStatsFields field_num) {
128 DCHECK_GE(field_num, VM_PPID); 128 DCHECK_GE(field_num, VM_PPID);
129 CHECK_LT(static_cast<size_t>(field_num), proc_stats.size()); 129 CHECK_LT(static_cast<size_t>(field_num), proc_stats.size());
130 130
131 size_t value; 131 size_t value;
132 return StringToSizeT(proc_stats[field_num], &value) ? value : 0; 132 return StringToSizeT(proc_stats[field_num], &value) ? value : 0;
133 } 133 }
134 134
135 int64 ReadProcStatsAndGetFieldAsInt64(pid_t pid, ProcStatsFields field_num) { 135 int64_t ReadProcStatsAndGetFieldAsInt64(pid_t pid, ProcStatsFields field_num) {
136 std::string stats_data; 136 std::string stats_data;
137 if (!ReadProcStats(pid, &stats_data)) 137 if (!ReadProcStats(pid, &stats_data))
138 return 0; 138 return 0;
139 std::vector<std::string> proc_stats; 139 std::vector<std::string> proc_stats;
140 if (!ParseProcStats(stats_data, &proc_stats)) 140 if (!ParseProcStats(stats_data, &proc_stats))
141 return 0; 141 return 0;
142 return GetProcStatsFieldAsInt64(proc_stats, field_num); 142 return GetProcStatsFieldAsInt64(proc_stats, field_num);
143 } 143 }
144 144
145 size_t ReadProcStatsAndGetFieldAsSizeT(pid_t pid, 145 size_t ReadProcStatsAndGetFieldAsSizeT(pid_t pid,
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179 // which means the answer is 100. 179 // which means the answer is 100.
180 // It may be the case that this value is always 100. 180 // It may be the case that this value is always 100.
181 static const int kHertz = sysconf(_SC_CLK_TCK); 181 static const int kHertz = sysconf(_SC_CLK_TCK);
182 182
183 return TimeDelta::FromMicroseconds( 183 return TimeDelta::FromMicroseconds(
184 Time::kMicrosecondsPerSecond * clock_ticks / kHertz); 184 Time::kMicrosecondsPerSecond * clock_ticks / kHertz);
185 } 185 }
186 186
187 } // namespace internal 187 } // namespace internal
188 } // namespace base 188 } // namespace base
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