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2010-12-03Merge branch 'sverker/ets_compress/OTP-8922' into devSverker Eriksson
* sverker/ets_compress/OTP-8922: Fix ets_SUITE:types to not fail due to false mem leaks
2010-12-03Fix ets_SUITE:types to not fail due to false mem leaksSverker Eriksson
Waiting for table sys_dist to stablize after slave node has been stopped.
2010-12-03Merge branch 'pan/unicode-filenames/OTP-8887' into devPatrik Nyblom
* pan/unicode-filenames/OTP-8887: (27 commits) Test and correct filelib and filename Add documentation to erlang.xml and slight correction to unicode_usage.xml Add section about Unicode file names to stdlib users guide Correct bug in file_name_SUITE making it fail on Unix instead of Windows7 Add documentation about raw filenames and Unicode file name translation mode Make filelib not crash on re codepoints beyond 255 in re when filename is raw Mend on_load_embedded testcase which did not handle windows links Correct testcase regarding windows versions supporting soft links. Teach filelib to use re in unicode mode when filenames are not raw Treat soft links on Windows correctly in file_name_SUITE Adapt new soft and hard link routines on Windos to Unicode Corrected testcases broken by unicode filenames Update preloaded prim_file Teach prim_file not to accept atoms and not to throw exceptions Adapt inet_drv to Visual Studio 2008 Teach spawn_executable about Unicode Convert filenames read on MacOSX to canonical form Teach file to accept codepoints beyond 255. Add testcases Correct shell utilities to handle unicode and possibly binaries ...
2010-12-03Test and correct filelib and filenamePatrik Nyblom
2010-11-30Improved ets_SUITE to better trouble shoot false memory leaksSverker Eriksson
2010-11-30Corrected testcases broken by unicode filenamesPatrik Nyblom
Also corrected type-info for bifs
2010-11-22ETS 'compressed' option.Sverker Eriksson
The compressed format is using a slighty modified variant of the extern format (term_to_binary). To not worsen key lookup's too much, the top tuple itself and the key element are not compressed. Table objects with only immediate non-key elements will therefor not gain anything (but actually consume one extra word for "alloc_size").
2010-11-04Fix badly formed Dets file after initializationHans Bolinder
If a Dets table with fewer slots than keys was opened and then closed after just a lookup, the contents were no longer well-formed. This bug has been fixed. (Thanks to Matthew Evans.)
2010-10-29Merge branch 'ms/fix-string-copies' into devBjörn Gustavsson
* ms/fix-string-copies: string_SUITE: Add test for string:copies(Str, Float) string_SUITE: Fix copy and paste error in test of string:copies/2 Fix crash in string:copies/2 OTP-8915
2010-10-29string_SUITE: Add test for string:copies(Str, Float)Björn Gustavsson
2010-10-29string_SUITE: Fix copy and paste error in test of string:copies/2Björn Gustavsson
2010-10-28Fix epp bug concerning the file attribute and file inclusionHans Bolinder
Cover did not collect coverage data for files such as Yecc parses containing include directives. The bug has been fixed by modifying epp, the Erlang Code Preprocessor.
2010-10-21Merge branch 'hb/stdlib/dets_chunk_match/OTP-8903' into devHans Bolinder
* hb/stdlib/dets_chunk_match/OTP-8903: Fix a bug concerning bchunk(), match() and select() Conflicts: lib/stdlib/test/dets_SUITE.erl
2010-10-21Fix a bug concerning bchunk(), match() and select()Hans Bolinder
If a Dets table was closed after calling bchunk/2, match/1,3, match_object/1,3, or select/1,3 and then opened again, a subsequent call using the returned continuation would normally return a reply. This bug has fixed; now the call fails with reason 'badarg'.
2010-10-21Merge branch 'hb/stdlib/dets_stream_op/OTP-8899' into devHans Bolinder
* hb/stdlib/dets_stream_op/OTP-8899: Fix a bug that could cause 'bad_object' errors Conflicts: lib/stdlib/test/dets_SUITE.erl
2010-10-21Fix a bug that could cause 'bad_object' errorsHans Bolinder
When several clients accessed a Dets table simultaneously, modifications of the Dets server's internal state were sometimes thrown away. The symptoms are diverse: error with reason 'bad_object'; inserted objects not returned by lookup(); et cetera.
2010-10-21Merge branch 'hb/stdlib/dets_fixed_dirty/OTP-8898' into devHans Bolinder
* hb/stdlib/dets_fixed_dirty/OTP-8898: Fix a bug concerning truncated Dets files Conflicts: lib/stdlib/src/dets.erl lib/stdlib/test/dets_SUITE.erl
2010-10-21Fix a bug concerning truncated Dets filesHans Bolinder
When several clients accessed a Dets table simultaneously, inserted or updated objects were sometimes lost due to the Dets file being truncated.
2010-10-21Merge branch 'hb/stdlib/dets_insert_new/OTP-8856' into devHans Bolinder
* hb/stdlib/dets_insert_new/OTP-8856: Fix a bug in dets:insert_new()
2010-10-21Fix a bug in dets:insert_new()Hans Bolinder
When several clients accessed a Dets table simultaneously, one of them calling dets:insert_new/2, the Dets server could crash. Alternatively, under the same conditions, 'ok' was sometimes returned instead of 'true'.
2010-10-04escript: prevent buffer overflowsMichael Santos
Check buffer operations on input from escripts, the command line and environment variables.
2010-08-30Merge branch 'pan/ets_binary_overhead/OTP-8762' into devPatrik Nyblom
* pan/ets_binary_overhead/OTP-8762: Remove binary overhead counter from ets objects
2010-08-30Merge branch 'pan/ets_select_reverse/OTP-7863' into devPatrik Nyblom
* pan/ets_select_reverse/OTP-7863: Add documentation for ets:select_reverse/1/2/3 Add testcase for ets:select_reverse/1/2/3
2010-08-30Merge branch 'pan/ms_transform_warnings/OTP-6759' into devPatrik Nyblom
* pan/ms_transform_warnings/OTP-6759: Add testcases for ms_transform warning and fix scoping Add warnings for shadowed variables in ms_transform funs
2010-08-19Remove binary overhead counter from ets objectsPatrik Nyblom
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.
2010-08-12Add testcase for ets:select_reverse/1/2/3Patrik Nyblom
2010-08-10Merge branch 'rickard/ethread-rewrite/OTP-8544' into devRickard Green
* rickard/ethread-rewrite/OTP-8544: Rewrite ethread library
2010-08-10Rewrite ethread libraryRickard Green
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.
2010-07-20Merge branch 'sverker/one_offheap_list/OTP-8737' into devSverker Eriksson
* sverker/one_offheap_list/OTP-8737: One off-heap list, to eliminate two words per ETS object.
2010-07-20One off-heap list, to eliminate two words per ETS object.Sverker Eriksson
Merging the three off-heap lists (binaries, funs and externals) into one list. This reduces memory consumption by two words (pointers) per ETS object.
2010-07-20Merge branch 'sverker/ets_select_hang/OTP-8732' into devSverker Eriksson
* sverker/ets_select_hang/OTP-8732: Fix ets:select hanging on ordered_set with empty list as key.
2010-07-07Fix ets:select hanging on ordered_set with empty list as key.Sverker Eriksson
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.
2010-07-07Merge branch 'cf/timer_tc' into devRaimo Niskanen
* cf/timer_tc: Add timer:tc/2 to measure the elapsed time of anonymous functions Conflicts: lib/stdlib/doc/src/timer.xml
2010-06-23Add testcases for ms_transform warning and fix scopingPatrik Nyblom
2010-06-09Correct warnings and errors for auto-imported bif clashesPatrik Nyblom
warn_unused_import works correctly (does not give warnings when overridden). Local call in guard gives its own error pointing out the local/imported function. Use of the phrase "overridden auto-imported bif" instead of "redefined auto-imported bif" in textual error messages.
2010-06-03OTP-8665 epp bugHans Bolinder
The Erlang code preprocessor (epp) did not correctly handle premature end-of-input when defining macros. This bug, introduced in STDLIB 1.16, has been fixed.
2010-06-02Improve coverage of erl_int in testcasesPatrik Nyblom
2010-06-02Change warning to error for nowarn_bif_clash compiler directivePatrik Nyblom
2010-06-02Return nowarn_bif_clash functionality but with warningPatrik Nyblom
Wrote and changed some tests in stdlib:erl_lint_SUITE nowarn_bif_clash is obsoleted but will remove warnings and errors about bif clashes. The recommended way is to use no_auto_import directives instead. Hopefully erlang.erl is the only user in the world of nowarn_bif_clash.
2010-06-02OTP-8664 Erlang parser augmented with operators for integer typesHans Bolinder
Expressions evaluating to integers can now be used in types and function specifications where hitherto only integers were allowed ("Erlang_Integer").
2010-06-02Evaluate element/2 at compile-time using type informationBjörn Gustavsson
The erl_expand_records compiler pass translates the following code: h(X) when X#r1.a =:= 1 -> ok. to (essentially): h({r1,V1,V2}=X) when element(2, X) =:= 1 -> ok. Since the guard can only be executed when the pattern matching has succeeded, we know that the second element in the tuple X must have been bound to V2. Thus we can eliminate the call to element/2 like this: h({r1,V1,V2}=X) when V1 =:= 1 -> ok.
2010-05-31OTP-8657 New Erlang scanner tokens: '..' and '...'Hans Bolinder
The Erlang scanner has been augmented with two new tokens: .. and ....
2010-05-27handle {global, term()} names in format_status/2Steve Vinoski
The gen_fsm, gen_server, and wx_object format_status implementations fail to handle global names of the form {global, term()} where term() is something other than an atom, pid, or list. Change these format_status implementations to treat names that are atoms, pids, or lists as before, but for all other terms, set the header property of the function return value to a tuple whose first element is a string describing the return value and whose second element is the name term. Add unit tests for gen_server and gen_fsm to verify sys:get_status calls work successfully for globally registered instances.
2010-05-21Merge branch 'sv/format_status_error_info' into devErlang/OTP
* sv/format_status_error_info: Add support for the format_status callback to gen_event Extend format_status for gen_server/gen_fsm termination error logging OTP-8630 sv/format_status_error_info When a gen_server, gen_fsm process, or gen_event terminates abnormally, sometimes the text representation of the process state can occupy many lines of the error log, depending on the definition of the state term. A mechanism to trim out parts of the state from the log has been added (using a format_status/2 callback). See the documentation.
2010-05-17Add documentation for binary modulePatrik Nyblom
Correct behaviour of copy/2 witn 0 copies.
2010-05-17Add more tests and make some go easier on small systemsPatrik Nyblom
Even more tests added to cover more error cases, some tests made easier on systems with small memories and timeouts made longer due to timetraps on solaris daily builds.
2010-05-17Correct Boyer More and trapping for longest_common_suffixPatrik Nyblom
Add testcases and clean up to get better code coverage.
2010-05-17Add longer timetrap to testcases and add binary to app filePatrik Nyblom
2010-05-17Add guard BIFs binary_part/2,3Patrik Nyblom
Add the gc_bif's to the VM. Add infrastructure for gc_bif's (guard bifs that can gc) with two and. three arguments in VM (loader and VM). Add compiler support for gc_bif with three arguments. Add compiler (and interpreter) support for new guard BIFs. Add testcases for new guard BIFs in compiler and emulator.
2010-05-17Add binary:{encode,decode}_unsigned({1,2}Patrik Nyblom
Add testcases for encode/decode_unsigned/1,2.