#include #include #include "restart.h" void docommand(char *, int); void dosomething(void); void process_or_do_work(int fd1, int fd2) { char buf[1024]; ssize_t bytesread; for ( ; ; ) { bytesread = r_read(fd1, buf, sizeof(buf)); if ((bytesread == -1) && (errno != EAGAIN)) return; /* a real error on fd1 */ else if (bytesread > 0) { docommand(buf, bytesread); continue; } bytesread = r_read(fd2, buf, sizeof(buf)); if ((bytesread == -1) && (errno != EAGAIN)) return; /* a real error on fd2 */ else if (bytesread > 0) docommand(buf, bytesread); else dosomething(); /* input not available, do something else */ } }