root/orte/test/mpi/attach.c

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DEFINITIONS

This source file includes following definitions.
  1. main

   1 /* -*- C -*-
   2  *
   3  * $HEADER$
   4  *
   5  * The most basic of MPI applications
   6  */
   7 
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <sys/types.h>
  11 #include <sys/stat.h>
  12 #include <fcntl.h>
  13 #include <unistd.h>
  14 
  15 int main(int argc, char* argv[])
  16 {
  17     unsigned char fifo_cmd = 1;
  18     int fd;
  19 
  20     if (1 > argc) {
  21         fprintf(stderr, "usage: attach <full-path-to-debugger-fifo-file>\n");
  22         exit(1);
  23     }
  24 
  25     fd = open(argv[1], O_WRONLY);
  26     write(fd, &fifo_cmd, sizeof(unsigned char));
  27     close(fd);
  28 
  29     return 0;
  30 }

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