45 lines
1 KiB
C++
45 lines
1 KiB
C++
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#include <iostream>
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#include <fc/interprocess/file_mutex.hpp>
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#include <fc/filesystem.hpp>
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#include <fc/log/logger.hpp>
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#include <fc/thread/thread.hpp>
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int main( int argc, char** argv ) {
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if( argc < 2 ) return 0;
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fc::file_mutex m( argv[1] );
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auto mptr = &m;
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fc::thread in("in");
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std::string cmd;
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std::cout << ">>> ";
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std::cin >> cmd;
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int i = 0;
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while( !std::cin.eof() && cmd != "q" ) {
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++i;
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fc::async( [i, cmd,mptr]() {
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ilog( "start ${c} ${i}", ("c",cmd)("i",i) );
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if( cmd == "L" ) {
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mptr->lock();
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} else if( cmd == "l" ) {
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mptr->lock_shared();
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} else if( cmd == "U" ) {
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mptr->unlock();
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} else if( cmd == "u" ) {
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mptr->unlock_shared();
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}
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ilog( "end ${c} ${i}", ("c",cmd)("i",i) );
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} );
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fc::usleep( fc::microseconds( 1000 ) );
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cmd = in.async( [&]() {
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std::string tmp;
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wdump((m.readers()));
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std::cin >> tmp;
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return tmp;
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} );
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}
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std::cout << "done";
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return 0;
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}
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