add example for unix socket

examples/CMakeLists.txt

@@ -93,6 +93,10 @@ add_executable(example_file_upload example_file_upload.cpp)
 add_warnings_optimizations(example_file_upload)
 target_link_libraries(example_file_upload PUBLIC Crow::Crow)
 
+add_executable(example_unix_socket example_unix_socket.cpp)
+add_warnings_optimizations(example_unix_socket)
+target_link_libraries(example_unix_socket PUBLIC Crow::Crow)
+
 if(MSVC)
   add_executable(example_vs example_vs.cpp)
   add_warnings_optimizations(example_vs)

examples/example_unix_socket.cpp

@@ -0,0 +1,27 @@
+#include "crow.h"
+
+#ifdef WIN32
+#include <fileapi.h>
+#else
+#include <unistd.h>
+#include <sys/stat.h>
+#endif
+
+int main()
+{
+    crow::SimpleApp app;
+
+    CROW_ROUTE(app, "/")
+    ([]() {
+        return "Hello, world!";
+    });
+
+    std::string unix_path = "example.sock";
+#ifdef WIN32
+    DeleteFileA(unix_path.c_str());
+#else
+    unlink(unix_path.c_str());
+#endif
+    app.unix_path(unix_path).run();
+
+}