Indexing: have the indexer put itself in the ionice "idle" class by default (can be changed in the config)

2011-09-29 12:03:26 +02:00
parent 8923d64fea
commit 95995b7ff9
8 changed files with 114 additions and 3 deletions
@@ -0,0 +1,53 @@
+/* Copyright (C) 2004 J.F.Dockes
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the
+ *   Free Software Foundation, Inc.,
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+#include <stdio.h>
+
+#include "rclionice.h"
+#include "execmd.h"
+#include "debuglog.h"
+
+bool rclionice(const string& clss, const string& cdata)
+{
+    string ionicexe;
+    if (!ExecCmd::which("ionice", ionicexe)) {
+	// ionice not found, bail out
+	LOGDEB(("rclionice: ionice not found\n"));
+	return false;
+    }
+    list<string> args;
+    args.push_back("-c");
+    args.push_back(clss);
+
+    if (!cdata.empty()) {
+	args.push_back("-n");
+	args.push_back(cdata);
+    }
+    
+    char cpid[100];
+    sprintf(cpid, "%d", getpid());
+    args.push_back("-p");
+    args.push_back(cpid);
+
+    ExecCmd cmd;
+    int status = cmd.doexec(ionicexe, args);
+
+    if (status) {
+	LOGERR(("rclionice: failed, status 0x%x\n", status));
+	return false;
+    }
+    return true;
+}
@@ -0,0 +1,25 @@
+/* Copyright (C) 2011 J.F.Dockes
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the
+ *   Free Software Foundation, Inc.,
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+#ifndef _RCLIONICE_H_INCLUDED_
+#define _RCLIONICE_H_INCLUDED_
+
+#include <string>
+using std::string;
+
+extern bool rclionice(const string& clss, const string& classdata);
+
+#endif /* _RCLIONICE_H_INCLUDED_ */