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Update preloaded erlang.beam
Removed stray error in dialyzer test suite - different error message
with the new specs.
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* maint:
Update primary bootstrap
erl_lint: Disallow call to is_record/3 if there is a local is_record/3
Fix crash in trace_info({M,F,A}, Flags) when M:F/A has native code
Ensure that generated record operations don't call local functions
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Attempting to call is_record/3 (without an erlang: prefix) from a
guard if there was a local function named is_record/3 would cause
a compiler crash. For consistency with other guard tests, disallow
the call.
is_record/2 in a guard will still be allowed (and work correctly)
even if there is a local is_record/2. It could be argued that
is_record/2 should be handled in the same way as is_record/3,
but changing that now could break working code.
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Consistently use external (remote) calls to the BIFs element/2,
setelement/3, and is_record/3.
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* maint:
Update primary bootstrap
erl_lint: Consistently reject local calls from guards
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* bjorn/compiler/bif-call-bug/OTP-9866:
erl_lint: Consistently reject local calls from guards
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If a guard test (such as is_list/1) has a local definition in a
module (or is imported), erl_lint will reject a call to it from
a guard if the call is not at the top-level:
foo(L) when is_list(L) =:= true -> %% Will be rejected.
ok.
is_list(_) -> ok.
But if the call is at the top-level, it will be accepted (and
cause a crash in a later compiler pass):
foo(L) when is_list(L) -> %% Will be accepted by erl_lint
ok.
is_list(_) -> ok.
This inconsistency was an oversight introduced when it became
possible to override BIFs with local definitions.
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* All computer time should be in utc and
converted to local when needed
* Previous conversion used the depcrated
calendar:local_time_to_universal_time/1
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The appup files shall allow upgrade from two major versions back,
i.e. for R16 they shall match back to R14. They shall no longer match
for R13.
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Supervisor should never keep child specs for dead temporary children.
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* siri/stdlib/dialyzer-supervisor/OTP-9741:
Add test for upgrade of supervisor
Fix dialyzer warnings in supervisor
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* bjorn/deprecate-tuple-funs/OTP-9649:
erts: Warn the first time a tuple fun is called
otp_mibs: Eliminate use of tuple fun
os_mon: Eliminate use of tuple fun
asn1: Eliminate use of tuple fun
parsetools: Eliminate use of tuple fun
mnesia tests: Eliminate use of tuple fun
snmp: Eliminate use of tuple fun
wrap_log_reader_SUITE: Eliminate use of tuple fun
big_SUITE: Eliminate use of tuple fun
file_SUITE: Eliminate use of tuple fun
fprof: Eliminate use of tuple fun
xref_compiler: Eliminate use of tuple fun
shell: Eliminate use of tuple funs
erl_eval: Eliminate use of tuple funs
user_sup: Eliminate use of tuple fun
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* siri/stdlib/dialyzer-log_mf_h/OTP-9754:
Fix dialyzer warning about gen_event callback init/1 in log_mf_h
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The warning is about log_mf_h having a different spec for gen_event
callback init/1 than defined in gen_event.erl. log_mf_h allows return
value {error,Reason}, while gen_even only specifies successful return
values.
This commit add {error,Reason} as a valid return value to the
gen_event callback, since this is handled by the code.
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Dialyzer complained over a mismatch between the callback spec of
Mod:code_change in gen_server and the spec of supervisor:code_change
(which is the implementation of a gen_server Mod:code_change).
This commit changes the callback spec to allow {error,Reason} as
return value. Also, release_handler is updated to handle this return
value.
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* bjorn/compiler/options/OTP-9752:
filename documentation: Recommend against using filename:find_src/1,2
Teach filename:find_src/1,2 to handle slim or stripped BEAM files
filename: Eliminate failing call to Mod:module_info(source_file)
filename.erl:filter_options/1: Remove handling of dead options
compiler: Don't include {cwd,_} in module_info(compile)
compiler: Don't include source code options in module_info(compile)
hipe: Teach hipe to handle slim or stripped BEAM files
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* bjorn/major-release-cleanups:
observer tests: Test compatibility with R13, not R12
emulator tests: Test compatibility with R13, not R12
Teach the compiler the 'r14' option
erl_lint: The types introduced in R12B-5 are no longer "newly introduced"
otp_internal: Stop warning for functions removed in R12 or earlier
Conflicts:
lib/stdlib/src/otp_internal.erl
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filename:find_src/1,2 will crash when asked to find the source
corresponding to a BEAM with no compilation options. A BEAM file
can be missing compilation options if it has been stripped using
beam_lib:strip/1 or compiled using the undocumented 'slim' option.
Why this matters: If ERL_COMPILE_OPTIONS is set to +slim before
building Erlang/OTP, there will be a crash in 'igor' during the
building of the public_key application. ('igor' merges several
source code files, and uses filename:find_src/1,2 to find the
source code.)
Change filename:find_src/1,2 to return an empty option list if
there are no options in the BEAM file.
Noticed-by: Per Hedeland
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Mod:module_info(source_file) is no longer supported (and have not
been for a long time), so calling it will always fail.
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The 'trace' and 'fast' options are no longer supported.
While at it, correct the comment about option filtering.
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* bjorn/remove-regexp-module/OTP-9737:
stdlib: Remove the deprecated regexp module
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When a new built-in type is introduced, type definitions with the
same name will still be allowed for "a while".
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When a deprecated function has been removed, the compiler will
issue a warning if it sees a call to it, even for functions that
were removed as far back as the R9 release.
Since the otp_internal module grows when new deprecated functions
are added, let's reduce its size somewhat by removing information
about functions that were removed in the R12 release or earlier.
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* siri/sasl/upgrade-erts/OTP-9438:
Fix bug in erts upgrade on windows
Add release vsn info to erts_vsn_changed warning
Check for sasl application in systools:make_script and make_relup
Add syntax check of relup to check_install_release and install_release
Add documentation for upgrade from pre R15 to post R15 sasl
Handle upgrade from pre R15 to post R15 sasl
Step version of sasl to 2.2 for R15
Document upgrade instructions restart_new_emulator and restart_emulator
Wait for two restarts in upgrade_restart test
Add restart_new_emulator instruction to kernel, stdlib and sasl appups
Distinguish restart_new_emulator from restart_emulator in upgrade instructions
Upgrade erts: merge sys.config for tmp release instead of using old
Allow regexp for version in .appup
Restart emulator before running upgrade script when erts is upgraded
Conflicts:
lib/sasl/src/release_handler.erl
lib/sasl/test/release_handler_SUITE.erl
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The appup files for kernel, stdlib and sasl did not contain any
UpFromVsn and DownToVsn. This means that it was not possible to create
a relup file with systool:make_relup if any of these applications had
changed.
This commit adds entries in the appup files for a maximum of two major
releases back - all with only one upgrade instruction:
restart_new_emulator. The point is to allow relups to be generated,
but ensure that no soft upgrade is done for these three applications -
i.e. they will always cause a restart of the emulator prior to all
other upgrade instructions from other applications.
Test cases (appup_test) are added to kernel_SUITE, stdlib_SUITE and
sasl_SUITE. These all check that expected versions are matched in the
appups, and illegal versions (older than two major releases, or in any
other way illegal) do not match. The test is written in a general way
where it is assumed that the version of these applications are stepped
according the the rule that major releases step the second number,
maintenance releases step the third number and patches step the fourth
number.
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Calls to global:whereis_name/1 have been substituted for calls to
global:safe_whereis_name/1 since the latter is not safe at all.
The reason for not doing this earlier is that setting a global lock
masked out a bug concerning the restart of supervised children. The
bug has now been fixed by a modification of global:whereis_name/1.
(Thanks to Ulf Wiger for code contribution.)
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Fixed a minor race conditions in gen_fsm:start*: if one of these
functions returned {error,Reason} or ignore, the name could still be
registered (either locally or in global.
This is the same modification as was done for gen_server in OTP-7669.
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* siri/stdlib/badarg-extract-child/OTP-9669:
Handle undefined pid when reporting error from supervisor
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* ss/re-split-doc-bug:
Fix re:split spec not to accept option 'global'
OTP-9691
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* bjorn/create-less-garbage:
Optimize filename:basename/1 to produce less garbage
Optimize filename:extension/1 to produce less garbage
sys.c for Unix: Undo caching of utsname in os_flavor()
Pre-build the tuples returned by os:type/0 and os:version/0
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In most cases, we can simply return a tail of the flattened
filename.
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Currently, the external fun syntax "fun M:F/A" only supports
literals. That is, "fun lists:reverse/1" is allowed but not
"fun M:F/A".
In many real-life situations, some or all of M, F, A are
not known until run-time, and one is forced to either use
the undocumented erlang:make_fun/3 BIF or to use a
"tuple fun" (which is deprecated).
EEP-23 suggests that the parser (erl_parse) should immediately
transform "fun M:F/A" to "erlang:make_fun(M, F, A)". We have
not followed that approach in this implementation, because we
want the abstract code to mirror the source code as closely
as possible, and we also consider erlang:make_fun/3 to
be an implementation detail that we might want to remove in
the future.
Instead, we will change the abstract format for "fun M:F/A" (in a way
that is not backwards compatible), and while we are at it, we will
move the translation from "fun M:F/A" to "erlang:make_fun(M, F, A)"
from sys_pre_expand down to the v3_core pass. We will also update
the debugger and xref to use the new format.
We did consider making the abstract format backward compatible if
no variables were used in the fun, but decided against it. Keeping
it backward compatible would mean that there would be different
abstract formats for the no-variable and variable case, and tools
would have to handle both formats, probably forever.
Reference: http://www.erlang.org/eeps/eep-0023.html
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* rc/epp-include-path-fix:
Make epp search directory of current file first when including another file
OTP-9645
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* hl/fix-ms_transform-scope-warn:
ms_transform: Fix incorrect `variable shadowed' warnings
OTP-9646
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* cf/simple_one_for_one_shutdown:
Explain how dynamic child processes are stopped
Stack errors when dynamic children are stopped
Explicitly kill dynamic children in supervisors
Conflicts:
lib/stdlib/doc/src/supervisor.xml
OTP-9647
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* cf/supervisor_shutdown_infinity:
Add a warning to docs about workers' shutdown strategy
Allow an infinite timeout to shutdown worker processes
OTP-9648
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* sverker/random-improved-algo:
Improve algorithm in module random.
Fix a bug in the implementation of the pseudo-random number generator
OTP-8713
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The expected behaviour of a C-style preprocessor (such as Erlang's epp) is
to allow a header file to include another header file in the same directory
even though that directory is not explicitly in the include path, and even
if the actual include path might reference another directory containing a
file with the same name. For example, if src/foo.erl explicitly includes
"../include/foo.hrl", then foo.hrl should be able to include "bar.hrl" in
that same directory even though "../include" might not be in the search
path, and even if another file named bar.hrl could be found using the search
path it should not override the one in the same directory as foo.hrl.
In Erlang, the most common situation is that a user of an installed
application includes a main public header file using include_lib
("appname/include/foo.hrl") and that file includes a secondary header file
"bar.hrl". However, if it does this using include_lib, it causes a
bootstrapping problem - in the build environment for the application itself,
the application is not necessarily found by name. On the other hand, if
foo.hrl uses a plain include, then bar.hrl might be found when the
application is built (if explicit paths are set in the makefils) but not
later on when a user includes the main header file of the installed
application via include_lib.
By making -include always look in the directory of the current file before
it uses the search path, this problem is remedied, and include directives
behave in a more intuitive way.
This completes a partial fix in R11 that only worked for include_lib().
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A Dets table with sufficiently large buckets could not always be repaired.
(Reported by Gordon Guthrie.)
The format of Dets files has been modified. When downgrading tables
created with the new system will be repaired. Otherwise the
modification should not be noticeable.
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