Created
March 24, 2014 21:50
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oberstet@vbox-ubuntu1310:~/scm/AutobahnCpp$ scons | |
scons: Reading SConscript files ... | |
scons: done reading SConscript files. | |
scons: Building targets ... | |
clang++ -o build/test/test8 -stdlib=libc++ -pthread build/test/test8.o -L/home/oberstet/boost_1_55_0/stage/lib -L/home/oberstet/msgpack_clang/lib -lboost_thread -lboost_system | |
scons: done building targets. | |
oberstet@vbox-ubuntu1310:~/scm/AutobahnCpp$ ./build/test/test8 | |
done: | |
^C | |
oberstet@vbox-ubuntu1310:~/scm/AutobahnCpp$ ldd ./build/test/test8 | |
linux-vdso.so.1 => (0x00007fffe47fe000) | |
libboost_thread.so.1.55.0 => /home/oberstet/boost_1_55_0/stage/lib/libboost_thread.so.1.55.0 (0x00007fae54a4c000) | |
libboost_system.so.1.55.0 => /home/oberstet/boost_1_55_0/stage/lib/libboost_system.so.1.55.0 (0x00007fae54847000) | |
libc++.so.1 => /usr/lib/x86_64-linux-gnu/libc++.so.1 (0x00007fae54543000) | |
libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007fae5423f000) | |
libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007fae54028000) | |
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007fae53e0b000) | |
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fae53a43000) | |
librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007fae5383a000) | |
/lib64/ld-linux-x86-64.so.2 (0x00007fae54c68000) | |
oberstet@vbox-ubuntu1310:~/scm/AutobahnCpp$ cat test/test8.cpp | |
// clang++ -o test8 -std=c++11 -stdlib=libc++ -lboost_thread -lboost_system -I/home/oberstet/boost_1_55_0 -L/home/oberstet/boost_1_55_0/stage/lib test8.cpp | |
#include <iostream> | |
// http://stackoverflow.com/questions/22597948/using-boostfuture-with-then-continuations/ | |
#define BOOST_THREAD_PROVIDES_FUTURE | |
#define BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION | |
#include <boost/thread/future.hpp> | |
struct Foo { | |
boost::future<int> start() { | |
return p.get_future(); | |
} | |
void finish() { | |
p.set_value(666); | |
} | |
boost::promise<int> p; | |
}; | |
#define V1 | |
//#define V2 | |
//#define V3 | |
int main () { | |
Foo foo; | |
#ifdef V1 | |
// does NOT work | |
foo.start().then([](boost::future<int> f) { | |
std::cout << "done:" << std::endl; | |
std::cout << f.get() << std::endl; | |
}); | |
#endif | |
#ifdef V2 | |
// does NOT work | |
boost::future<int> f0 = foo.start(); | |
f0.then([](boost::future<int> f) { | |
std::cout << "done:" << std::endl; | |
std::cout << f.get() << std::endl; | |
}); | |
#endif | |
#ifdef V3 | |
// this DOES work | |
boost::future<void> f2 = foo.start().then([](boost::future<int> f) { | |
std::cout << "done:" << std::endl; | |
std::cout << f.get() << std::endl; | |
}); | |
#endif | |
foo.finish(); | |
} | |
oberstet@vbox-ubuntu1310:~/scm/AutobahnCpp$ |
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