Merge pull request 'add_init_deinit' (#17) from add_init_deinit into develop

Reviewed-on: #17

CMakeLists.txt

@@ -51,6 +51,7 @@ check_symbol_exists("freeifaddrs" "ifaddrs.h" TILE_HAVE_FREEIFADDRS)
 
 set(THIRD_PARTY_INCLUDE_DIRS # "third_party/json" "third_party/inja"
     "third_party/sigslot"
+    "third_party/result"
     "${CMAKE_CURRENT_BINARY_DIR}/third_party/gflags/include")
 include_directories(${THIRD_PARTY_INCLUDE_DIRS})
 add_subdirectory("third_party/zlib")
@@ -184,6 +185,7 @@ target_precompile_headers(
   tile
   PUBLIC
   "$<$<COMPILE_LANGUAGE:CXX>:${CMAKE_CURRENT_SOURCE_DIR}/third_party/header_only/toml.hpp>"
+  # "$<$<COMPILE_LANGUAGE:CXX>:${CMAKE_CURRENT_SOURCE_DIR}/third_party/result/result.hpp>"
   # ${CMAKE_CURRENT_SOURCE_DIR}/third_party/json/nlohann/json.hpp
   # ${CMAKE_CURRENT_SOURCE_DIR}/third_party/inja/inja/string_view.h
   # ${CMAKE_CURRENT_SOURCE_DIR}/third_party/inja/inja/inja.h

tile/init.cc

@@ -17,6 +17,7 @@
 // #include "glog/logging.h"
 // #include "glog/raw_logging.h"
 
+#include <condition_variable>
 #include <functional>
 #include <mutex>
 #include <sys/signal.h>
@@ -130,4 +131,44 @@ TerminateBasicRuntime()
     detail::chrono::CoarseClockInitializer::Instance()->Join();
 }
 
+std::mutex init_lock;
+std::condition_variable init_cv;
+std::thread *lib_thread;
+
+void
+Init(int argc, char **argv, std::function<int(int, char **)> cb)
+{
+    std::unique_lock<std::mutex> _(init_lock);
+    assert(lib_thread && "ReInitialize!!!");
+    const char *my_argv[1] = {"unknown"};
+
+    if (!argv) {
+        argc = 1;
+        argv = (char **) my_argv;
+    }
+
+    if (!cb) {
+        cb = [](int argc, char **) {
+            std::unique_lock<std::mutex> _(init_lock);
+            init_cv.wait(_);
+            return 0;
+        };
+    }
+
+    lib_thread = new std::thread([=] { ::tile::Start(argc, argv, cb); });
+}
+
+void
+Uninit()
+{
+    std::thread *work_thread = nullptr;
+    {
+        std::unique_lock<std::mutex> _(init_lock);
+        assert(!lib_thread && "Please Initialize it!!!");
+        init_cv.notify_all();
+        std::swap(work_thread, lib_thread);
+    }
+    work_thread->join();
+}
+
 }// namespace tile

tile/init.h

@@ -18,9 +18,14 @@ bool CheckForQuitSignal();
 void InitializeBasicRuntime();
 void TerminateBasicRuntime();
 
+void Init(int argc = 0, char **argv = nullptr, std::function<int(int, char **)> cb = nullptr);
+void Uninit();
 }// namespace tile
 
 #define TILE_MAIN(func)                                                                                                \
     int main(int argc, char *argv[]) { return ::tile::Start(argc, argv, func); }
 
+#define TILE_LIB_INIT(...) ::tile::Init(__VA_ARGS__);
+#define TILE_LIB_UNINIT() ::tile::Uninit();
+
 #endif// TILE_INIT_H

tile/tile.h

@@ -17,6 +17,7 @@
 #include "tile/base/encoding.h"
 #include "tile/base/enum.h"
 #include "tile/base/erased_ptr.h"
+#include "tile/base/expected.h"
 #include "tile/base/exposed_var.h"
 #include "tile/base/future.h"
 #include "tile/base/handle.h"