Merge branch 'rickard/time_api/OTP-11997'

* rickard/time_api/OTP-11997: (22 commits)
  Update primary bootstrap
  inets: Suppress deprecated warning on erlang:now/0
  inets: Cleanup of multiple copies of functions Add inets_lib with common functions used by multiple modules
  inets: Update comments
  Suppress deprecated warning on erlang:now/0
  Use new time API and be back-compatible in inets Remove unused functions and removed redundant test
  asn1 test SUITE: Eliminate use of now/0
  Disable deprecated warning on erlang:now/0 in diameter_lib
  Use new time API and be back-compatible in ssh
  Replace all calls to now/0 in CT with new time API functions
  test_server: Replace usage of erlang:now() with usage of new API
  Replace usage of erlang:now() with usage of new API
  Replace usage of erlang:now() with usage of new API
  Replace usage of erlang:now() with usage of new API
  Replace usage of erlang:now() with usage of new API
  otp_SUITE: Warn for calls to erlang:now/0
  Replace usage of erlang:now() with usage of new API
  Multiple timer wheels
  Erlang based BIF timer implementation for scalability
  Implement ethread events with timeout
  ...

Conflicts:
	bootstrap/bin/start.boot
	bootstrap/bin/start_clean.boot
	bootstrap/lib/compiler/ebin/beam_asm.beam
	bootstrap/lib/compiler/ebin/compile.beam
	bootstrap/lib/kernel/ebin/auth.beam
	bootstrap/lib/kernel/ebin/dist_util.beam
	bootstrap/lib/kernel/ebin/global.beam
	bootstrap/lib/kernel/ebin/hipe_unified_loader.beam
	bootstrap/lib/kernel/ebin/inet_db.beam
	bootstrap/lib/kernel/ebin/inet_dns.beam
	bootstrap/lib/kernel/ebin/inet_res.beam
	bootstrap/lib/kernel/ebin/os.beam
	bootstrap/lib/kernel/ebin/pg2.beam
	bootstrap/lib/stdlib/ebin/dets.beam
	bootstrap/lib/stdlib/ebin/dets_utils.beam
	bootstrap/lib/stdlib/ebin/erl_tar.beam
	bootstrap/lib/stdlib/ebin/escript.beam
	bootstrap/lib/stdlib/ebin/file_sorter.beam
	bootstrap/lib/stdlib/ebin/otp_internal.beam
	bootstrap/lib/stdlib/ebin/qlc.beam
	bootstrap/lib/stdlib/ebin/random.beam
	bootstrap/lib/stdlib/ebin/supervisor.beam
	bootstrap/lib/stdlib/ebin/timer.beam
	erts/aclocal.m4
	erts/emulator/beam/bif.c
	erts/emulator/beam/erl_bif_info.c
	erts/emulator/beam/erl_db_hash.c
	erts/emulator/beam/erl_init.c
	erts/emulator/beam/erl_process.h
	erts/emulator/beam/erl_thr_progress.c
	erts/emulator/beam/utils.c
	erts/emulator/sys/unix/sys.c
	erts/preloaded/ebin/erlang.beam
	erts/preloaded/ebin/erts_internal.beam
	erts/preloaded/ebin/init.beam
	erts/preloaded/src/erts_internal.erl
	lib/common_test/test/ct_hooks_SUITE_data/cth/tests/empty_cth.erl
	lib/diameter/src/base/diameter_lib.erl
	lib/kernel/src/os.erl
	lib/ssh/test/ssh_basic_SUITE.erl
	system/doc/efficiency_guide/advanced.xml

1 files changed, 9 insertions, 5 deletions

diff --git a/lib/kernel/src/inet_res.erl b/lib/kernel/src/inet_res.erl
index 6037da1d22..410128a16a 100644
--- a/lib/kernel/src/inet_res.erl
+++ b/lib/kernel/src/inet_res.erl
@@ -715,10 +715,10 @@ udp_send(#sock{inet=I}, {A,B,C,D}=IP, Port, Buffer)
 
 udp_recv(#sock{inet6=I}, {A,B,C,D,E,F,G,H}=IP, Port, Timeout, Decode)
   when ?ip6(A,B,C,D,E,F,G,H), ?port(Port) ->
-    do_udp_recv(I, IP, Port, Timeout, Decode, erlang:now(), Timeout);
+    do_udp_recv(I, IP, Port, Timeout, Decode, time_now(), Timeout);
 udp_recv(#sock{inet=I}, {A,B,C,D}=IP, Port, Timeout, Decode)
   when ?ip(A,B,C,D), ?port(Port) ->
-    do_udp_recv(I, IP, Port, Timeout, Decode, erlang:now(), Timeout).
+    do_udp_recv(I, IP, Port, Timeout, Decode, time_now(), Timeout).
 
 do_udp_recv(_I, _IP, _Port, 0, _Decode, _Start, _T) ->
     timeout;
@@ -742,7 +742,7 @@ do_udp_recv(I, IP, Port, Timeout, Decode, Start, T) ->
 		    NewTimeout = erlang:max(0, Timeout - 50),
 		    do_udp_recv(I, IP, Port, NewTimeout, Decode, Start, T);
 		false ->
-		    Now = erlang:now(),
+		    Now = time_now(),
 		    NewT = erlang:max(0, Timeout - now_ms(Now, Start)),
 		    do_udp_recv(I, IP, Port, Timeout, Decode, Start, NewT);
 		Result ->
@@ -1057,5 +1057,9 @@ dns_msg(Msg) ->
     end.
 
 -compile({inline, [now_ms/2]}).
-now_ms({Meg1,Sec1,Mic1}, {Meg0,Sec0,Mic0}) ->
-    ((Meg1-Meg0)*1000000 + (Sec1-Sec0))*1000 + ((Mic1-Mic0) div 1000).
+now_ms(Int1, Int0) ->
+    Int1 - Int0.
+
+-compile({inline, [time_now/0]}).
+time_now() ->
+	erlang:monotonic_time(1000).