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* ks/supervisor-export-types:
supervisor: Type and spec related changes
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- Export two more types so that they can be used in other modules
- Correct some types and specs
- Add spec for behaviour_info/1
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Although the {encoding, encoding()} set of options is documented in
the manual page of the 'file' module, they do not appear in the Mode
description on that page nor in the mode() type declaration.
The patch adds this information in both the code of the module and
the documentation of the module.
To avoid duplication, the declaration of the encoding() type is added
to the 'unicode' module where it most probably belongs.
While at it, added a proper declaration for posix(), took out the
now superfluous information about the types of file:open/2 from the
erl_bif_types module, and corrected the return type of file:open/2
so that it corresponds to the published documentation.
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* ms/security-fixes:
erlc: remove unused variable
typer: prevent buffer overflows
run_test: prevent buffer overflow
heart: prevent buffer overflow
escript: prevent buffer overflows
erlexec: prevent buffer overflows
erlc: prevent buffer overflows
dialyzer: prevent buffer overflows
OTP-8892
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* bjorn/filelib-document-charset/OTP-8879:
filelib: Document the character set syntax in wildcards
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* ks/export-types:
Export opaque types so as to be used by other modules
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State more clearly that ETS functions will throw badarg if calling
process lacks access right. And that driver stop callback should free
memory allocted by start.
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In the following program, erl_lint crashed with an erl_lint internal error.
With this patch it does not, but prints "bad export_type declaration" errors
instead.
-module(baz).
-export([test/0]).
-export_type(t/0).
-export_type([3.14]).
-type t() :: any().
test() -> 42.
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Check buffer operations on input from escripts, the command line and
environment variables.
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Make it explicit that the shutdown timeout is to be specified in
milliseconds.
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The pool module prints out an error message and takes no
further action for nodes that are already running. This
patch changes that behavior so that if the return from
slave:start/3 is {already_running, Node} then an attempt
to attach to the node is still made. This makes sense
because the node has been specified by the user in the
.hosts.erlang file indicating a wish for the node to
be part of the pool and a manual attach can be
successfully made after the pool is started.
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* maint-r13:
Remove copyright headers in vsn.mk files
Conflicts:
lib/appmon/vsn.mk
lib/erl_docgen/vsn.mk
lib/inets/vsn.mk
lib/kernel/vsn.mk
lib/reltool/vsn.mk
lib/ssl/vsn.mk
lib/stdlib/vsn.mk
lib/tools/vsn.mk
lib/tv/vsn.mk
lib/xmerl/vsn.mk
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Copyright notices serve no useful purpose in vsn.mk files, and
only complicate scripts that automatically update version numbers.
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* pan/ets_binary_overhead/OTP-8762:
Remove binary overhead counter from ets objects
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* pan/ets_select_reverse/OTP-7863:
Add documentation for ets:select_reverse/1/2/3
Add testcase for ets:select_reverse/1/2/3
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* pan/ms_transform_warnings/OTP-6759:
Add testcases for ms_transform warning and fix scoping
Add warnings for shadowed variables in ms_transform funs
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* ia/public_key_api/OTP-8722:
Revise the public_key API
Resolved, version is now 0.8.
Conflicts:
lib/public_key/vsn.mk
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Cleaned up and documented the public_key API to
make it useful for general use.
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As the overhead counter got larger and never really was needed in ets objects,
I removed them.
A few stray comments of XXX:PaN type from halfword dev removed in the process.
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* hb/type_reference/OTP-8733:
reference() substituted for ref() in docs
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* rickard/ethread-rewrite/OTP-8544:
Rewrite ethread library
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Large parts of the ethread library have been rewritten. The
ethread library is an Erlang runtime system internal, portable
thread library used by the runtime system itself.
Most notable improvement is a reader optimized rwlock
implementation which dramatically improve the performance of
read-lock/read-unlock operations on multi processor systems by
avoiding ping-ponging of the rwlock cache lines. The reader
optimized rwlock implementation is used by miscellaneous
rwlocks in the runtime system that are known to be read-locked
frequently, and can be enabled on ETS tables by passing the
`{read_concurrency, true}' option upon table creation. See the
documentation of `ets:new/2' for more information.
The ethread library can now also use the libatomic_ops library
for atomic memory accesses. This makes it possible for the
Erlang runtime system to utilize optimized atomic operations
on more platforms than before. Use the
`--with-libatomic_ops=PATH' configure command line argument
when specifying where the libatomic_ops installation is
located. The libatomic_ops library can be downloaded from:
http://www.hpl.hp.com/research/linux/atomic_ops/
The changed API of the ethread library has also caused
modifications in the Erlang runtime system. Preparations for
the to come "delayed deallocation" feature has also been done
since it depends on the ethread library.
Note: When building for x86, the ethread library will now use
instructions that first appeared on the pentium 4 processor. If
you want the runtime system to be compatible with older
processors (back to 486) you need to pass the
`--enable-ethread-pre-pentium4-compatibility' configure command
line argument when configuring the system.
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* sverker/one_offheap_list/OTP-8737:
One off-heap list, to eliminate two words per ETS object.
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Merging the three off-heap lists (binaries, funs and externals) into
one list. This reduces memory consumption by two words (pointers) per
ETS object.
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* sverker/ets_select_hang/OTP-8732:
Fix ets:select hanging on ordered_set with empty list as key.
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Port the gen_fsm code for format_status to gen_event in order to
prevent a lists:concat([...,pid()]) crash when calling
sys:get_status/1 on an unregistered gen_event process.
Refactor format_status header code from gen_* behaviours to module gen.
Extend the format_status tests in gen_event_SUITE to cover
format_status bugs with anonymous gen_event processes.
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erl_db_tree.c incorrectly used NIL (empty list) as "lastkey" to mark
start of the iteration. A real NIL key could then cause a
select or match iteration to be restarted over and over again if the
last key before a trap happended to be NIL.
Changed NIL to THE_NON_VALUE. Should be ok as the initial key value can
never be put into any continuation tuple.
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* pg/beam_lib_cmp_2_return_type_specification:
Fix beam_lib:cmp/2 return type specification
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* cf/timer_tc:
Add timer:tc/2 to measure the elapsed time of anonymous functions
Conflicts:
lib/stdlib/doc/src/timer.xml
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* ks/cleanups:
compiler: Fix incorrect types and specs
escript: Add more types to records
debugger: Clean up as suggested by tidier
docbuilder: Clean up as suggested by tidier
Conflicts:
lib/debugger/src/dbg_iload.erl
lib/debugger/src/dbg_ui_trace_win.erl
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Also changed compiler to allow for warnings in parse_transforms.
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