Add epoll support

CMakeLists.txt

@@ -17,6 +17,7 @@ option(ENABLE_MEMMGR "Enable memory manager (default=ON)" ON)
 # set(ENABLE_MEMORY "system" CACHE STRING "Enable memory library (default=system)")
 option(ENABLE_PROFILER "Enable profiler (default=OFF)" OFF)
 option(ENABLE_EXTRA_BUILDBOT_CODE "Enable extra buildbot code (default=OFF)" OFF)
+option(ENABLE_EPOLL "Use epoll instead of select (default=OFF)" OFF)
 
 
 # Set a default build type if none was specified

src/common/CMakeLists.txt

@@ -182,6 +182,10 @@ if(ENABLE_EXTRA_BUILDBOT_CODE)
 	target_compile_definitions(common PUBLIC "-DBUILDBOT")
 endif()
 
+if(ENABLE_EPOLL)
+	target_compile_definitions(common PRIVATE "-DSOCKET_EPOLL")
+endif()
+
 target_include_directories(common PUBLIC
 	"${MYSQL_INCLUDE_DIRS}"
 	"${ZLIB_INCLUDE_DIRS}"