From a92b77d7cd19947bd3896dcd96c7e389efdec2de Mon Sep 17 00:00:00 2001
From: Hans Bolinder <hasse@erlang.org>
Date: Fri, 19 Jan 2018 10:37:06 +0100
Subject: stdlib: Correct contracts

---
 lib/stdlib/src/gen_event.erl    | 5 +++--
 lib/stdlib/src/gen_fsm.erl      | 4 ++--
 lib/stdlib/src/io_lib.erl       | 4 ++--
 lib/stdlib/src/io_lib_fread.erl | 4 ++--
 lib/stdlib/src/sys.erl          | 6 ++++--
 5 files changed, 13 insertions(+), 10 deletions(-)

(limited to 'lib/stdlib/src')

diff --git a/lib/stdlib/src/gen_event.erl b/lib/stdlib/src/gen_event.erl
index a9b98911e2..73e4457bd0 100644
--- a/lib/stdlib/src/gen_event.erl
+++ b/lib/stdlib/src/gen_event.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
 %%
 %% Licensed under the Apache License, Version 2.0 (the "License");
 %% you may not use this file except in compliance with the License.
@@ -125,7 +125,8 @@
                     | {'logfile', string()}.
 -type option() :: {'timeout', timeout()}
                 | {'debug', [debug_flag()]}
-                | {'spawn_opt', [proc_lib:spawn_option()]}.
+                | {'spawn_opt', [proc_lib:spawn_option()]}
+                | {'hibernate_after', timeout()}.
 -type emgr_ref()  :: atom() | {atom(), atom()} |  {'global', atom()}
                    | {'via', atom(), term()} | pid().
 -type start_ret() :: {'ok', pid()} | {'error', term()}.
diff --git a/lib/stdlib/src/gen_fsm.erl b/lib/stdlib/src/gen_fsm.erl
index 96a53426e2..8c7db65563 100644
--- a/lib/stdlib/src/gen_fsm.erl
+++ b/lib/stdlib/src/gen_fsm.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
 %%
 %% Licensed under the Apache License, Version 2.0 (the "License");
 %% you may not use this file except in compliance with the License.
@@ -198,7 +198,7 @@
 %%% start(Name, Mod, Args, Options)
 %%% start_link(Mod, Args, Options)
 %%% start_link(Name, Mod, Args, Options) where:
-%%%    Name ::= {local, atom()} | {global, atom()} | {via, atom(), term()}
+%%%    Name ::= {local, atom()} | {global, term()} | {via, atom(), term()}
 %%%    Mod  ::= atom(), callback module implementing the 'real' fsm
 %%%    Args ::= term(), init arguments (to Mod:init/1)
 %%%    Options ::= [{debug, [Flag]}]
diff --git a/lib/stdlib/src/io_lib.erl b/lib/stdlib/src/io_lib.erl
index 9d447418f8..50bf959db5 100644
--- a/lib/stdlib/src/io_lib.erl
+++ b/lib/stdlib/src/io_lib.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
 %%
 %% Licensed under the Apache License, Version 2.0 (the "License");
 %% you may not use this file except in compliance with the License.
@@ -149,7 +149,7 @@ fread(Chars, Format) ->
 
 -spec fread(Continuation, CharSpec, Format) -> Return when
       Continuation :: continuation() | [],
-      CharSpec :: string() | eof,
+      CharSpec :: string() | 'eof',
       Format :: string(),
       Return :: {'more', Continuation1 :: continuation()}
               | {'done', Result, LeftOverChars :: string()},
diff --git a/lib/stdlib/src/io_lib_fread.erl b/lib/stdlib/src/io_lib_fread.erl
index 983e8d4566..319bff484e 100644
--- a/lib/stdlib/src/io_lib_fread.erl
+++ b/lib/stdlib/src/io_lib_fread.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
 %%
 %% Licensed under the Apache License, Version 2.0 (the "License");
 %% you may not use this file except in compliance with the License.
@@ -38,7 +38,7 @@
 
 -spec fread(Continuation, String, Format) -> Return when
       Continuation :: io_lib:continuation() |  [],
-      String :: string(),
+      String :: string() | 'eof',
       Format :: string(),
       Return :: {'more', Continuation1 :: io_lib:continuation()}
               | {'done', Result, LeftOverChars :: string()},
diff --git a/lib/stdlib/src/sys.erl b/lib/stdlib/src/sys.erl
index 1f966411c5..0c578acf21 100644
--- a/lib/stdlib/src/sys.erl
+++ b/lib/stdlib/src/sys.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %% 
-%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
 %% 
 %% Licensed under the Apache License, Version 2.0 (the "License");
 %% you may not use this file except in compliance with the License.
@@ -38,7 +38,9 @@
 
 -export_type([dbg_opt/0]).
 
--type name()         :: pid() | atom() | {'global', atom()}.
+-type name()         :: pid() | atom()
+                      | {'global', term()}
+                      | {'via', module(), term()}.
 -type system_event() :: {'in', Msg :: _}
                       | {'in', Msg :: _, From :: _}
                       | {'out', Msg :: _, To :: _}
-- 
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