raw

Thirdparty/Pangolin/include/pangolin/utils/sigstate.h

@@ -0,0 +1,75 @@
+/* This file is part of the Pangolin Project.
+ * http://github.com/stevenlovegrove/Pangolin
+ *
+ * Copyright (c) 2014 Steven Lovegrove
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#pragma once
+
+#include <map>
+#include <vector>
+#include <pangolin/platform.h>
+#include <pangolin/utils/file_utils.h>
+#include <csignal>
+
+#ifndef SIGPIPE
+#  define SIGPIPE 13
+#endif // !SIGPIPE
+
+namespace pangolin
+{
+
+typedef void (*SigCallbackFn)(int);
+
+struct PANGOLIN_EXPORT SigCallback
+{
+    SigCallback(const int & sig, SigCallbackFn fn, void* data)
+     : sig(sig), fn(fn), data(data), value(false)
+    {
+        std::signal(sig, fn);
+    }
+
+    int sig;
+    SigCallbackFn fn;
+    void * data;
+    volatile sig_atomic_t value;
+};
+
+class PANGOLIN_EXPORT SigState
+{
+public:
+    static SigState& I();
+
+    SigState();
+    ~SigState();
+
+    void Clear();
+
+    std::map<int, SigCallback> sig_callbacks;
+};
+
+PANGOLIN_EXPORT
+void RegisterNewSigCallback(SigCallbackFn callback, void* data, const int signal);
+
+}