platform detection

include/platform.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#if defined(__linux__)
+#define PLATFORM_LINUX
+#define EVENTLOOP_EPOLL
+
+#elif defined(__APPLE__) && defined(__MACH__)
+#define PLATFORM_OSX
+#define EVENTLOOP_KQUEUE
+
+#elif defined(__FreeBSD__)
+#define PLATFORM_BSD
+#define PLATFORM_FREEBSD
+#define EVENTLOOP_KQUEUE
+
+#elif defined(__NetBSD__)
+#define PLATFORM_BSD
+#define PLATFORM_NETBSD
+#define EVENTLOOP_KQUEUE
+
+#elif defined(__OpenBSD__)
+#define PLATFORM_BSD
+#define PLATFORM_OPENBSD
+#define EVENTLOOP_KQUEUE
+
+#elif defined(__DragonFly__)
+#define PLATFORM_BSD
+#define PLATFORM_DRAGONFLY
+#define EVENTLOOP_KQUEUE
+
+#else
+#error "Failed to detect supported platform"
+
+#endif