Advisory lock grant order

If I request an advisory lock (pg_advisory_lock) with the same key from several sessions; will the lock be granted in the same order as it was requested?

I.e. if for example:

session 1: select pg_advisory_lock(1); -- acquires the lock

then

session 2: select pg_advisory_lock(1); -- blocks waiting for the lock

then

session 3: select pg_advisory_lock(1); -- blocks waiting for the lock

then

session 1: select pg_advisory_unlock(1); -- releases the lock

Is it guaranteed that now session 2 will be granted the lock because it requested the lock before session 3?

Thanks,

Yossi