Function kwsysProcessSetNonBlocking

Source/kwsys/ProcessUNIX.c:1697–1704

}

static int kwsysProcessSetNonBlocking(int fd)
{
  int flags = fcntl(fd, F_GETFL);
  if (flags >= 0) {
    flags = fcntl(fd, F_SETFL, flags | O_NONBLOCK);
  }
  return flags >= 0;
}

#if defined(__VMS)
int decc$set_child_standard_streams(int fd1, int fd2, int fd3);