Add support for platform Solaris.

README.md

@@ -8,7 +8,7 @@ but simpler apis and richer protocols.
 
 ## Features
 
-- cross-platform (Linux, Windows, Mac)
+- cross-platform (Linux, Windows, Mac, Solaris)
 - event-loop (IO, timer, idle)
 - ENABLE_IPV6
 - WITH_OPENSSL

base/hplatform.h

@@ -38,6 +38,8 @@
 #elif defined(__OpenBSD__)
     #define OS_OPENBSD
     #define OS_BSD
+#elif defined(sun) || defined(__sun) || defined(__sun__)
+    #define OS_SOLARIS
 #else
     #error "Unsupported operating system platform!"
 #endif