gdbmi_notes

https://sourceware.org/gdb/onlinedocs/gdb/GDB_002fMI.html
https://sourceware.org/gdb/onlinedocs/gdb/Mode-Options.html#Mode-Options
--interpreter=mi (default mi2) or =mi1 =mi2

idea-
fork(start gdb mi)
 -- comm with gdb stdin/stdout on separate thread
-fork doesnt do IPC (inter-process communication)
-using pipes is more common
http://stackoverflow.com/questions/14170647/fork-parent-child-communication

   #include <sys/wait.h>
   #include <stdio.h>
   #include <stdlib.h>
   #include <unistd.h>
   #include <string.h>

   int
   main(int argc, char * argv[])
   {
       int pipefd[2];
       pid_t cpid;
       char buf;

       pipe(pipefd); // create the pipe
       cpid = fork(); // duplicate the current process
       if (cpid == 0) // if I am the child then
       {
           close(pipefd[1]); // close the write-end of the pipe, I'm not going to use it
           while (read(pipefd[0], &buf, 1) > 0) // read while EOF
               write(1, &buf, 1);
           write(1, "\n", 1);
           close(pipefd[0]); // close the read-end of the pipe
           exit(EXIT_SUCCESS);
       }
       else // if I am the parent then
       {
           close(pipefd[0]); // close the read-end of the pipe, I'm not going to use it
           write(pipefd[1], argv[1], strlen(argv[1])); // send the content of argv[1] to the reader
           close(pipefd[1]); // close the write-end of the pipe, thus sending EOF to the reader
           wait(NULL); // wait for the child process to exit before I do the same
           exit(EXIT_SUCCESS);
       }
       return 0;
   }



http://linux.die.net/man/2/fork