63 inline android::base::Result<void> ForkAndRun(  in ForkAndRun()
65   LOG(DEBUG) << "Forking : " << android::base::Join(args, " ");  in ForkAndRun()
74     return android::base::ErrnoError() << "Unable to fork";  in ForkAndRun()
85     return android::base::Error() << "Failed run: status=" << rc;  in ForkAndRun()
91 android::base::Result<void> WalkDir(const std::string& path, Fn fn) {  in WalkDir()
101     return android::base::Error()  in WalkDir()
108 android::base::Result<std::vector<std::string>> ReadDir(const std::string& path,  in ReadDir()
129 inline android::base::Result<void> CreateDirIfNeeded(const std::string& path,  in CreateDirIfNeeded()
136         return android::base::ErrnoError() << "Could not mkdir " << path;  in CreateDirIfNeeded()
139       return android::base::ErrnoError() << "Could not stat " << path;  in CreateDirIfNeeded()
143       return android::base::Error()  in CreateDirIfNeeded()
151     return android::base::ErrnoError() << "Could not chmod " << path;  in CreateDirIfNeeded()
157 inline android::base::Result<void> DeleteDirContent(const std::string& path) {  in DeleteDirContent()
160     return android::base::Error()  in DeleteDirContent()
167       return android::base::Error()  in DeleteDirContent()
174 inline android::base::Result<void> DeleteDir(const std::string& path) {  in DeleteDir()
179     return android::base::Error()  in DeleteDir()
185 inline android::base::Result<bool> PathExists(const std::string& path) {  in PathExists()
191       return android::base::Error()  in PathExists()
207 inline android::base::Result<void> WaitForFile(  in WaitForFile()
209   android::base::Timer t;  in WaitForFile()
222   return android::base::ErrnoError()  in WaitForFile()
226 inline android::base::Result<std::vector<std::string>> GetSubdirs(  in GetSubdirs()
241 inline android::base::Result<std::vector<std::string>> GetDeUserDirs() {  in GetDeUserDirs()
245 inline android::base::Result<std::vector<std::string>> FindFilesBySuffix(  in FindFilesBySuffix()
253               android::base::EndsWith(name, suffix)) {  in FindFilesBySuffix()
262 inline android::base::Result<std::vector<std::string>> FindApexes(  in FindApexes()
285 inline android::base::Result<std::string> FindFirstExistingDirectory(  in FindFirstExistingDirectory()
291       return android::base::ErrnoError() << "Failed to stat " << second_dir;  in FindFirstExistingDirectory()
294       return android::base::Error() << second_dir << " is not a directory";  in FindFirstExistingDirectory()
305     return android::base::ErrnoError() << "Failed to stat " << second_dir;  in FindFirstExistingDirectory()
308     return android::base::Error() << second_dir << " is not a directory";  in FindFirstExistingDirectory()
315 inline android::base::Result<void> MoveDir(const std::string& from,  in MoveDir()
319     return android::base::ErrnoError() << "Failed to stat " << to;  in MoveDir()
322     return android::base::Error() << to << " is not a directory";  in MoveDir()
329     return android::base::Error()  in MoveDir()
337       return android::base::Error()  in MoveDir()
343       return android::base::Error() << "Failed to copy " << from_path << " to "  in MoveDir()
348       return android::base::Error()  in MoveDir()
355 inline android::base::Result<uintmax_t> GetFileSize(  in GetFileSize()
360     return android::base::Error() << "Failed to get file size of " << file_path  in GetFileSize()
367 inline android::base::Result<void> RestoreconPath(const std::string& path) {  in RestoreconPath()
370     return android::base::ErrnoError() << "Failed to restorecon " << path;  in RestoreconPath()