Function _GetProgramCmdline

jalib/jfilesystem.cpp:72–84

Set buf, and return length read (including all null characters)

// Set buf, and return length read (including all null characters)
int
_GetProgramCmdline(char *buf, int size)
{
  int fd = jalib::open("/proc/self/cmdline", O_RDONLY, 0);
  int rc;

  JASSERT(fd >= 0);

  // rc == 0 means EOF, or else it means buf is full (size chars read)
  rc = jalib::readAll(fd, buf, size);
  jalib::close(fd);
  return rc;
}
}

dmtcp::string