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c++ Programming Glossary: fcntlHow to simulate “Press any key to continue?” http://stackoverflow.com/questions/1449324/how-to-simulate-press-any-key-to-continue stdio.h #include termios.h #include unistd.h #include fcntl.h int kbhit void struct termios oldt newt int ch int oldf tcgetattr.. ~ ICANON ECHO tcsetattr STDIN_FILENO TCSANOW newt oldf fcntl STDIN_FILENO F_GETFL 0 fcntl STDIN_FILENO F_SETFL oldf O_NONBLOCK.. TCSANOW newt oldf fcntl STDIN_FILENO F_GETFL 0 fcntl STDIN_FILENO F_SETFL oldf O_NONBLOCK ch getchar tcsetattr STDIN_FILENO..
How to handle execvp(…) errors after fork()? http://stackoverflow.com/questions/1584956/how-to-handle-execvp-errors-after-fork can be adapted for this purpose. #include errno.h #include fcntl.h #include stdio.h #include string.h #include sys wait.h #include.. pid_t child if pipe pipefds perror pipe return EX_OSERR if fcntl pipefds 1 F_SETFD fcntl pipefds 1 F_GETFD FD_CLOEXEC perror.. perror pipe return EX_OSERR if fcntl pipefds 1 F_SETFD fcntl pipefds 1 F_GETFD FD_CLOEXEC perror fcntl return EX_OSERR switch..
High delay in RS232 communication on a PXA270 http://stackoverflow.com/questions/4667141/high-delay-in-rs232-communication-on-a-pxa270 Force read call to block if no data available int f fcntl mPhysicalComPort F_GETFL 0 f ~O_NONBLOCK fcntl mPhysicalComPort.. int f fcntl mPhysicalComPort F_GETFL 0 f ~O_NONBLOCK fcntl mPhysicalComPort F_SETFL f Get the current options for the port.....
BSD Sockets - How to use non-blocking sockets? http://stackoverflow.com/questions/6699488/bsd-sockets-how-to-use-non-blocking-sockets char buf 80 void set_nonblock int socket int flags flags fcntl socket F_GETFL 0 assert flags 1 fcntl socket F_SETFL flags O_NONBLOCK.. int flags flags fcntl socket F_GETFL 0 assert flags 1 fcntl socket F_SETFL flags O_NONBLOCK int main int agrc char argv.. sockaddr name void set_nonblock int socket int flags flags fcntl socket F_GETFL 0 assert flags 1 fcntl socket F_SETFL flags O_NONBLOCK..
Using select() for non-blocking sockets http://stackoverflow.com/questions/6715736/using-select-for-non-blocking-sockets sockaddr name void set_nonblock int socket int flags flags fcntl socket F_GETFL 0 assert flags 1 fcntl socket F_SETFL flags O_NONBLOCK.. int flags flags fcntl socket F_GETFL 0 assert flags 1 fcntl socket F_SETFL flags O_NONBLOCK get sockaddr IPv4 or IPv6 void.. sockaddr name void set_nonblock int socket int flags flags fcntl socket F_GETFL 0 assert flags 1 fcntl socket F_SETFL flags O_NONBLOCK..
Blocking socket returns EAGAIN http://stackoverflow.com/questions/735249/blocking-socket-returns-eagain m_Socket set the socket as nonblocking IO const int flags fcntl sock F_GETFL 0 fcntl sock F_SETFL flags O_NONBLOCK errno 0 we.. as nonblocking IO const int flags fcntl sock F_GETFL 0 fcntl sock F_SETFL flags O_NONBLOCK errno 0 we connect but it will.. 1 done We change the socket options back to blocking IO if fcntl sock F_SETFL flags 1 return 1 return 0 The idea is that I set..
Using std:fstream how to deny access (read and write) to the file http://stackoverflow.com/questions/839856/using-stdfstream-how-to-deny-access-read-and-write-to-the-file or LockFileEx . On Linux there is flock lockf and fcntl as the previous commenter said . If you are using MSVC you can..
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