Re: How to use libev in C Plus Plus
Hi! On Mon, Jun 26, 2017 at 03:22:04PM +0800, "liu...@shinezone.com" wrote: > ev::dynamic_loop loop; > I got these error when I compiled this program. If you have free time please > answer me why I got these error. Thank you... While ev++.h has some loop structs, they are undocumented - you have to limit yourself to the documented API, i.e. mostly the ev::watcher types, and the normal C API (which is available after including ev++.h). -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _ generation ---==---(_)__ __ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de -=/_/_//_/\_,_/ /_/\_\ ___ libev mailing list libev@lists.schmorp.de http://lists.schmorp.de/mailman/listinfo/libev
How to use libev in C Plus Plus
#include "ev++.h" #include #include #include ev::io io; class MyClass { public: MyClass() {} ~MyClass() {} public: void stdin_cb(ev::io &io, int revents) { puts("stdin ready"); io.stop(); } }; int main(int argc, char *argv[]) { MyClass my_class; ev::dynamic_loop loop; io.set(&my_class); io.set(0, EV_READ); //io.set(loop); //loop.run(); return 0; } gcc -g -std=c++11 -L../libs -lev -Wl,-rpath,../libs -I../deps/libev test.cpp -o test I got these error when I compiled this program. If you have free time please answer me why I got these error. Thank you... /tmp/ccPE4ERN.o:在函数‘ev::bad_loop::bad_loop()’中: /home/liukai2/legend_sdk/examples/../deps/libev/ev++.h:121:对‘std::runtime_error::runtime_error(char const*)’未定义的引用 /tmp/ccPE4ERN.o:在函数‘ev::dynamic_loop::dynamic_loop(unsigned int)’中: /home/liukai2/legend_sdk/examples/../deps/libev/ev++.h:359:对‘__cxa_allocate_exception’未定义的引用 /home/liukai2/legend_sdk/examples/../deps/libev/ev++.h:359:对‘__cxa_throw’未定义的引用 /home/liukai2/legend_sdk/examples/../deps/libev/ev++.h:359:对‘__cxa_free_exception’未定义的引用 /home/liukai2/legend_sdk/examples/../deps/libev/ev++.h:355:对‘__cxa_call_unexpected’未定义的引用 /tmp/ccPE4ERN.o:在函数‘ev::dynamic_loop::~dynamic_loop()’中: /home/liukai2/legend_sdk/examples/../deps/libev/ev++.h:362:对‘__cxa_call_unexpected’未定义的引用 /tmp/ccPE4ERN.o:(.rodata._ZTVN2ev8bad_loopE[_ZTVN2ev8bad_loopE]+0x20):对‘std::runtime_error::what() const’未定义的引用 /tmp/ccPE4ERN.o:在函数‘ev::bad_loop::~bad_loop()’中: /home/liukai2/legend_sdk/examples/../deps/libev/ev++.h:114:对‘std::runtime_error::~runtime_error()’未定义的引用 /tmp/ccPE4ERN.o:在函数‘ev::bad_loop::~bad_loop()’中: /home/liukai2/legend_sdk/examples/../deps/libev/ev++.h:114:对‘operator delete(void*)’未定义的引用 /tmp/ccPE4ERN.o:(.rodata._ZTIN2ev8bad_loopE[_ZTIN2ev8bad_loopE]+0x0):对‘vtable for __cxxabiv1::__si_class_type_info’未定义的引用 /tmp/ccPE4ERN.o:(.rodata._ZTIN2ev8bad_loopE[_ZTIN2ev8bad_loopE]+0x10):对‘typeinfo for std::runtime_error’未定义的引用 /tmp/ccPE4ERN.o:(.eh_frame+0x8b):对‘__gxx_personality_v0’未定义的引用 collect2: error: ld returned 1 exit status liu...@shinezone.com ___ libev mailing list libev@lists.schmorp.de http://lists.schmorp.de/mailman/listinfo/libev