Function perm_string

src/os/linux/task_files.cpp:91–97

Map our Vma flags bitfield back to the rwxp string used by /proc/PID/maps.

// Map our Vma flags bitfield back to the rwxp string used by /proc/PID/maps.
void perm_string(const Vma& v, char buf[5]) {
    buf[0] = v.readable()   ? 'r' : '-';
    buf[1] = v.writable()   ? 'w' : '-';
    buf[2] = v.executable() ? 'x' : '-';
    buf[3] = 'p'; // private mappings; we don't reliably distinguish shared yet
    buf[4] = '\0';
}

} // anonymous