TYPE3

[iec.git] / src / type3_AndroidCloud / anbox-master / external / process-cpp-minimal / src / core / posix / linux / proc / process / oom_adj.cpp

diff --git a/src/type3_AndroidCloud/anbox-master/external/process-cpp-minimal/src/core/posix/linux/proc/process/oom_adj.cpp b/src/type3_AndroidCloud/anbox-master/external/process-cpp-minimal/src/core/posix/linux/proc/process/oom_adj.cpp
new file mode 100644 (file)
index 0000000..3b1b67e
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+++ b/src/type3_AndroidCloud/anbox-master/external/process-cpp-minimal/src/core/posix/linux/proc/process/oom_adj.cpp
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+/*
+ * Copyright © 2013 Canonical Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License version 3,
+ * as published by the Free Software Foundation.
+ *
+ * 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authored by: Thomas Voß <thomas.voss@canonical.com>
+ */
+
+#include <core/posix/linux/proc/process/oom_adj.h>
+
+#include <core/posix/process.h>
+
+#include <fstream>
+#include <sstream>
+#include <stdexcept>
+
+#include <linux/oom.h>
+
+namespace core
+{
+namespace posix
+{
+namespace linux
+{
+namespace proc
+{
+namespace process
+{
+
+int OomAdj::disable_value()
+{
+    return OOM_DISABLE;
+}
+
+int OomAdj::min_value()
+{
+    return OOM_ADJUST_MIN;
+}
+
+int OomAdj::max_value()
+{
+    return OOM_ADJUST_MAX;
+}
+
+const posix::Process& operator>>(const posix::Process& process, OomAdj& adj)
+{
+    std::stringstream ss; ss << "/proc/" << process.pid() << "/oom_adj";
+    std::ifstream in(ss.str());
+
+    in >> adj.value;
+
+    return process;
+}
+
+const posix::Process& operator<<(const posix::Process& process, const OomAdj& adj)
+{
+    if (!adj.is_valid())
+        throw std::logic_error("Value for adjusting the oom score is invalid.");
+
+    std::stringstream ss; ss << "/proc/" << process.pid() << "/oom_adj";
+    std::ofstream out(ss.str());
+
+    out << adj.value;
+
+    return process;
+}
+}
+}
+}
+}
+}