Method PrintProcMaps

jalib/jassert.cpp:237–256

This routine is called when JASSERT triggers. Something failed. DOES (for further diagnosis): cp /proc/self/maps $DMTCP_TMPDIR/proc-maps WITHOUT malloc or spawning process (could be dangerous in fragile state).

// DOES (for further diagnosis):  cp /proc/self/maps $DMTCP_TMPDIR/proc-maps
// WITHOUT malloc or spawning process (could be dangerous in fragile state).
void
jassert_internal::JAssert::PrintProcMaps()
{
  ssize_t count;
  char buf[4096] = {0};
  int fd = jalib::open("/proc/self/maps", O_RDONLY, 0);
  if (fd == -1) {
    return;
  }

  Print("    Memory maps: \n");

  while ((count = jalib::readAll(fd, buf, sizeof(buf) - 1)) > 0) {
    Print(buf);
  }

  Print("\n");

  jalib::close(fd);
}

void
jassert_internal::set_log_file(const dmtcp::string &path)