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-rw-r--r--lib/kernel/src/application.erl23
-rw-r--r--lib/kernel/src/application_master.erl9
-rw-r--r--lib/kernel/src/disk_log.erl18
-rw-r--r--lib/kernel/src/file.erl43
-rw-r--r--lib/kernel/src/file_io_server.erl3
-rw-r--r--lib/kernel/src/file_server.erl3
-rw-r--r--lib/kernel/src/inet_gethost_native.erl3
-rw-r--r--lib/kernel/src/kernel.appup.src14
-rw-r--r--lib/kernel/src/rpc.erl24
9 files changed, 57 insertions, 83 deletions
diff --git a/lib/kernel/src/application.erl b/lib/kernel/src/application.erl
index 6efc1b4499..5dd6b73857 100644
--- a/lib/kernel/src/application.erl
+++ b/lib/kernel/src/application.erl
@@ -22,6 +22,7 @@
load/1, load/2, unload/1, takeover/2,
which_applications/0, which_applications/1,
loaded_applications/0, permit/2]).
+-export([ensure_started/1, ensure_started/2]).
-export([set_env/3, set_env/4, unset_env/2, unset_env/3]).
-export([get_env/1, get_env/2, get_env/3, get_all_env/0, get_all_env/1]).
-export([get_key/1, get_key/2, get_all_key/0, get_all_key/1]).
@@ -135,6 +136,28 @@ start(Application, RestartType) ->
Error
end.
+-spec ensure_started(Application) -> 'ok' | {'error', Reason} when
+ Application :: atom(),
+ Reason :: term().
+
+ensure_started(Application) ->
+ ensure_started(Application, temporary).
+
+-spec ensure_started(Application, Type) -> 'ok' | {'error', Reason} when
+ Application :: atom(),
+ Type :: restart_type(),
+ Reason :: term().
+
+ensure_started(Application, RestartType) ->
+ case start(Application, RestartType) of
+ ok ->
+ ok;
+ {error, {already_started, Application}} ->
+ ok;
+ Error ->
+ Error
+ end.
+
-spec start_boot(Application :: atom()) -> 'ok' | {'error', term()}.
start_boot(Application) ->
diff --git a/lib/kernel/src/application_master.erl b/lib/kernel/src/application_master.erl
index 679fefaed9..34a3efcaf2 100644
--- a/lib/kernel/src/application_master.erl
+++ b/lib/kernel/src/application_master.erl
@@ -76,13 +76,8 @@ call(AppMaster, Req) ->
{'DOWN', Ref, process, _, _Info} ->
ok;
{Tag, Res} ->
- erlang:demonitor(Ref),
- receive
- {'DOWN', Ref, process, _, _Info} ->
- Res
- after 0 ->
- Res
- end
+ erlang:demonitor(Ref, [flush]),
+ Res
end.
%%%-----------------------------------------------------------------
diff --git a/lib/kernel/src/disk_log.erl b/lib/kernel/src/disk_log.erl
index 0c5af2857e..c238eff12f 100644
--- a/lib/kernel/src/disk_log.erl
+++ b/lib/kernel/src/disk_log.erl
@@ -1914,13 +1914,8 @@ multi_req(Msg, Pids) ->
{'DOWN', Ref, process, Pid, _Info} ->
Reply;
{disk_log, Pid, _Reply} ->
- erlang:demonitor(Ref),
- receive
- {'DOWN', Ref, process, Pid, _Reason} ->
- ok
- after 0 ->
- ok
- end
+ erlang:demonitor(Ref, [flush]),
+ ok
end
end, {error, nonode}, Refs).
@@ -1965,13 +1960,8 @@ monitor_request(Pid, Req) ->
{error, no_such_log};
{disk_log, Pid, Reply} when not is_tuple(Reply) orelse
element(2, Reply) =/= disk_log_stopped ->
- erlang:demonitor(Ref),
- receive
- {'DOWN', Ref, process, Pid, _Reason} ->
- Reply
- after 0 ->
- Reply
- end
+ erlang:demonitor(Ref, [flush]),
+ Reply
end.
req2(Pid, R) ->
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl
index a4c56b346f..36289053eb 100644
--- a/lib/kernel/src/file.erl
+++ b/lib/kernel/src/file.erl
@@ -480,8 +480,7 @@ open(Item, Mode) ->
Reason :: posix() | badarg | terminated.
close(File) when is_pid(File) ->
- R = file_request(File, close),
- case wait_file_reply(File, R) of
+ case file_request(File, close) of
{error, terminated} ->
ok;
Other ->
@@ -503,8 +502,7 @@ close(_) ->
Reason :: posix() | badarg.
advise(File, Offset, Length, Advise) when is_pid(File) ->
- R = file_request(File, {advise, Offset, Length, Advise}),
- wait_file_reply(File, R);
+ file_request(File, {advise, Offset, Length, Advise});
advise(#file_descriptor{module = Module} = Handle, Offset, Length, Advise) ->
Module:advise(Handle, Offset, Length, Advise);
advise(_, _, _, _) ->
@@ -517,8 +515,7 @@ advise(_, _, _, _) ->
Length :: non_neg_integer().
allocate(File, Offset, Length) when is_pid(File) ->
- R = file_request(File, {allocate, Offset, Length}),
- wait_file_reply(File, R);
+ file_request(File, {allocate, Offset, Length});
allocate(#file_descriptor{module = Module} = Handle, Offset, Length) ->
Module:allocate(Handle, Offset, Length).
@@ -601,8 +598,7 @@ pread_int(_, _, _) ->
Reason :: posix() | badarg | terminated.
pread(File, At, Sz) when is_pid(File), is_integer(Sz), Sz >= 0 ->
- R = file_request(File, {pread, At, Sz}),
- wait_file_reply(File, R);
+ file_request(File, {pread, At, Sz});
pread(#file_descriptor{module = Module} = Handle, Offs, Sz)
when is_integer(Sz), Sz >= 0 ->
Module:pread(Handle, Offs, Sz);
@@ -658,8 +654,7 @@ pwrite_int(_, _, _) ->
Reason :: posix() | badarg | terminated.
pwrite(File, At, Bytes) when is_pid(File) ->
- R = file_request(File, {pwrite, At, Bytes}),
- wait_file_reply(File, R);
+ file_request(File, {pwrite, At, Bytes});
pwrite(#file_descriptor{module = Module} = Handle, Offs, Bytes) ->
Module:pwrite(Handle, Offs, Bytes);
pwrite(_, _, _) ->
@@ -670,8 +665,7 @@ pwrite(_, _, _) ->
Reason :: posix() | badarg | terminated.
datasync(File) when is_pid(File) ->
- R = file_request(File, datasync),
- wait_file_reply(File, R);
+ file_request(File, datasync);
datasync(#file_descriptor{module = Module} = Handle) ->
Module:datasync(Handle);
datasync(_) ->
@@ -682,8 +676,7 @@ datasync(_) ->
Reason :: posix() | badarg | terminated.
sync(File) when is_pid(File) ->
- R = file_request(File, sync),
- wait_file_reply(File, R);
+ file_request(File, sync);
sync(#file_descriptor{module = Module} = Handle) ->
Module:sync(Handle);
sync(_) ->
@@ -696,8 +689,7 @@ sync(_) ->
Reason :: posix() | badarg | terminated.
position(File, At) when is_pid(File) ->
- R = file_request(File, {position,At}),
- wait_file_reply(File, R);
+ file_request(File, {position,At});
position(#file_descriptor{module = Module} = Handle, At) ->
Module:position(Handle, At);
position(_, _) ->
@@ -708,8 +700,7 @@ position(_, _) ->
Reason :: posix() | badarg | terminated.
truncate(File) when is_pid(File) ->
- R = file_request(File, truncate),
- wait_file_reply(File, R);
+ file_request(File, truncate);
truncate(#file_descriptor{module = Module} = Handle) ->
Module:truncate(Handle);
truncate(_) ->
@@ -1497,25 +1488,19 @@ check_args([]) ->
ok.
%%-----------------------------------------------------------------
-%% Functions for communicating with a file io server.
+%% Function for communicating with a file io server.
%% The messages sent have the following formats:
%%
%% {file_request,From,ReplyAs,Request}
%% {file_reply,ReplyAs,Reply}
file_request(Io, Request) ->
- R = erlang:monitor(process, Io),
- Io ! {file_request,self(),Io,Request},
- R.
-
-wait_file_reply(From, Ref) ->
+ Ref = erlang:monitor(process, Io),
+ Io ! {file_request,self(),Ref,Request},
receive
- {file_reply,From,Reply} ->
- erlang:demonitor(Ref),
- receive {'DOWN', Ref, _, _, _} -> ok after 0 -> ok end,
- %% receive {'EXIT', From, _} -> ok after 0 -> ok end,
+ {file_reply,Ref,Reply} ->
+ erlang:demonitor(Ref, [flush]),
Reply;
{'DOWN', Ref, _, _, _} ->
- %% receive {'EXIT', From, _} -> ok after 0 -> ok end,
{error, terminated}
end.
diff --git a/lib/kernel/src/file_io_server.erl b/lib/kernel/src/file_io_server.erl
index fad2ed7fb3..07fb55f390 100644
--- a/lib/kernel/src/file_io_server.erl
+++ b/lib/kernel/src/file_io_server.erl
@@ -92,8 +92,7 @@ do_start(Spawn, Owner, FileName, ModeList) ->
Mref = erlang:monitor(process, Pid),
receive
{Ref, {error, _Reason} = Error} ->
- erlang:demonitor(Mref),
- receive {'DOWN', Mref, _, _, _} -> ok after 0 -> ok end,
+ erlang:demonitor(Mref, [flush]),
Error;
{Ref, ok} ->
erlang:demonitor(Mref),
diff --git a/lib/kernel/src/file_server.erl b/lib/kernel/src/file_server.erl
index 49ec6f96cc..d036dbb516 100644
--- a/lib/kernel/src/file_server.erl
+++ b/lib/kernel/src/file_server.erl
@@ -317,8 +317,7 @@ do_start_slave(start, Filer, Name) ->
SlaveMonitor = erlang:monitor(process, Slave),
receive
{started, Token} ->
- erlang:demonitor(SlaveMonitor),
- receive {'DOWN', SlaveMonitor, _, _, _} -> ok after 0 -> ok end,
+ erlang:demonitor(SlaveMonitor, [flush]),
{ok, Slave};
{'DOWN', SlaveMonitor, _, _, Reason} ->
exit(Reason)
diff --git a/lib/kernel/src/inet_gethost_native.erl b/lib/kernel/src/inet_gethost_native.erl
index db3e44ce6f..df866660b4 100644
--- a/lib/kernel/src/inet_gethost_native.erl
+++ b/lib/kernel/src/inet_gethost_native.erl
@@ -503,8 +503,7 @@ getit(Req, DefaultName) ->
Pid, Reason} ->
{error, Reason}
end,
- catch erlang:demonitor(Ref2),
- receive {'DOWN',Ref2,_,_,_} -> ok after 0 -> ok end,
+ catch erlang:demonitor(Ref2, [flush]),
Res2
end.
diff --git a/lib/kernel/src/kernel.appup.src b/lib/kernel/src/kernel.appup.src
index 54628800a8..ae2666d496 100644
--- a/lib/kernel/src/kernel.appup.src
+++ b/lib/kernel/src/kernel.appup.src
@@ -1,7 +1,7 @@
%% -*- erlang -*-
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2013. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -17,11 +17,11 @@
%% %CopyrightEnd%
{"%VSN%",
%% Up from - max two major revisions back
- [{<<"2\\.16(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R16
- {<<"2\\.15(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R15
- {<<"2\\.14(\\.[0-9]+)*">>,[restart_new_emulator]}],%% R14
+ [{<<"2\\.17(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17
+ {<<"2\\.16(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R16
+ {<<"2\\.15(\\.[0-9]+)*">>,[restart_new_emulator]}],%% R15
%% Down to - max two major revisions back
- [{<<"2\\.16(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R16
- {<<"2\\.15(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R15
- {<<"2\\.14(\\.[0-9]+)*">>,[restart_new_emulator]}] %% R14
+ [{<<"2\\.17(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17
+ {<<"2\\.16(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R16
+ {<<"2\\.15(\\.[0-9]+)*">>,[restart_new_emulator]}] %% R15
}.
diff --git a/lib/kernel/src/rpc.erl b/lib/kernel/src/rpc.erl
index 7c965ca384..83e0b59cc2 100644
--- a/lib/kernel/src/rpc.erl
+++ b/lib/kernel/src/rpc.erl
@@ -388,13 +388,8 @@ server_call(Node, Name, ReplyWrapper, Msg)
{'DOWN', Ref, _, _, _} ->
{error, nodedown};
{ReplyWrapper, Node, Reply} ->
- erlang:demonitor(Ref),
- receive
- {'DOWN', Ref, _, _, _} ->
- Reply
- after 0 ->
- Reply
- end
+ erlang:demonitor(Ref, [flush]),
+ Reply
end
end.
@@ -501,17 +496,6 @@ start_monitor(Node, Name) ->
{Node,erlang:monitor(process, {Name, Node})}
end.
-%% Cancels a monitor started with Ref=erlang:monitor(_, _),
-%% i.e return value {Node, Ref} from start_monitor/2 above.
-unmonitor(Ref) when is_reference(Ref) ->
- erlang:demonitor(Ref),
- receive
- {'DOWN', Ref, _, _, _} ->
- true
- after 0 ->
- true
- end.
-
%% Call apply(M,F,A) on all nodes in parallel
-spec multicall(Module, Function, Args) -> {ResL, BadNodes} when
@@ -635,10 +619,10 @@ rec_nodes(Name, [{N,R} | Tail], Badnodes, Replies) ->
rec_nodes(Name, Tail, [N|Badnodes], Replies);
{?NAME, N, {nonexisting_name, _}} ->
%% used by sbcast()
- unmonitor(R),
+ erlang:demonitor(R, [flush]),
rec_nodes(Name, Tail, [N|Badnodes], Replies);
{Name, N, Reply} -> %% Name is bound !!!
- unmonitor(R),
+ erlang:demonitor(R, [flush]),
rec_nodes(Name, Tail, Badnodes, [Reply|Replies])
end.
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 11:29:27 +0000