Added CProcessStatisticsReader to avoid having to parse /proc/all (#35)

* Added CProcessStatisticsReader to avoid having to parse /proc/all

* Took @awesomekling's feedbacks into account

* Fixed indentation and replaced tabs by spaces

1 files changed, 29 insertions, 0 deletions

diff --git a/LibCore/CProcessStatisticsReader.h b/LibCore/CProcessStatisticsReader.h
new file mode 100644
index 0000000000..2ce97e9f68
--- /dev/null
+++ b/LibCore/CProcessStatisticsReader.h
@@ -0,0 +1,29 @@
+#pragma once
+
+#include <AK/AKString.h>
+#include <AK/HashMap.h>
+
+struct CProcessStatistics {
+    pid_t pid;
+    unsigned nsched;
+    String name;
+    String state;
+    String username;
+    uid_t uid;
+    String priority;
+    size_t linear;
+    size_t physical;
+    unsigned syscalls;
+};
+
+class CProcessStatisticsReader {
+public:
+    CProcessStatisticsReader();
+    HashMap<pid_t, CProcessStatistics> get_map();
+
+private:
+    void update_map(HashMap<pid_t, CProcessStatistics>& map);
+    String get_username_from_uid(const uid_t uid);
+  
+    HashMap<uid_t, String> m_usernames;
+};