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2011-09-24Merge branch 'rickard/aux-work-bug/OTP-9567' into devRickard Green
* rickard/aux-work-bug/OTP-9567: Fix lost wakeup of scheduler when enqueuing auxiliary work
2011-09-22Fix lost wakeup of scheduler when enqueuing auxiliary workRickard Green
When auxiliary work was enqueued on a scheduler, the wakeup of the scheduler in order to handle this work could be lost. Wakeups in order to handle ordinary work were not effected by this bug. The bug only effected runtime systems with SMP support as follows: * Deallocation of some ETS data structures could be delayed. * On Linux systems not using the NPTL thread library (typically ancient systems with kernel versions prior to 2.6) and Windows systems, the {Port, {exit_status, Status}} message from a terminating port program could be delayed. That is, it only effected port programs which had been started by passing exit_status as an option to open_port/2.
2011-09-21Remove static ssl linking in crypto for otp_buildBjörn-Egil Dahlberg
2011-09-21Merge branch 'bjorn/erts/support-macosx-lion/OTP-9547' into devBjörn Gustavsson
* bjorn/erts/support-macosx-lion/OTP-9547: Fix build problems on MacOS 10.7 (Lion)
2011-09-20Fix build problems on MacOS 10.7 (Lion)Björn Gustavsson
On MacOS 10.7 (Lion) with Xcode 4.1 installed, the default C compiler is llvm-gcc-4.2. That compiler compiles beam_emu.c incorrectly, resulting in an emulator that will not start. The problem can be worked around by turning off all optimizations, but that will significantly degrade the performance of the run-time system. The problem can also be worked around manually like this: CC=gcc-4.2 ./configure To allow a working system to be built "out of the box", have the configure script set up the emulator Makefile so that gcc-4.2 will be used to compile beam_emu.c if the default compiler is llvm-based. All other C files will still be compiled with the default compiler.
2011-09-20Merge branch 'cr/cppcheck' into devHenrik Nord
* cr/cppcheck: Changes inspired by running cppcheck(1) OTP-9557
2011-09-20Merge branch 'ta/docs-fixes' into devHenrik Nord
* ta/docs-fixes: Fix misspelling of intermediate Fix typos in erts/preloaded/src Fix more misspellings of compatibility Fix misspelling of kept Fix misspelling of compatibility in ssl_basic_SUITE Fix misspelling of compatibility Fix misspelling of accommodate Fix misspelling of exceed Fix misspelling of accidentally Fix misspelling of erroneous in xmerl_xsd Fix misspelling of erroneous Fix misspelling of successful Fix typos in instrument(3) Fix typos in dbg(3) dialyzer: fix a small typo in list_to_bitstring test Fix typos in cover.erl Fix typos (variable name) in erl_nif(3) Fix typos in mod_esi(3) Fix trivial typos in erlang(3) OTP-9555
2011-09-19Merge branch 'rickard/glibc-mutex-destroy-bug/OTP-9373' into devRickard Green
* rickard/glibc-mutex-destroy-bug/OTP-9373: Do not abort emulator when buggy pthread impl return EBUSY
2011-09-16Fix misspelling of intermediateTuncer Ayaz
2011-09-16Fix typos in erts/preloaded/srcTuncer Ayaz
2011-09-16erts: Remove compiler warning in sys.cBjörn-Egil Dahlberg
2011-09-16Merge branch 'pan/erl-bif-types/OTP-9496' into devBjörn-Egil Dahlberg
* pan/erl-bif-types/OTP-9496: Cleanup ETS bif's in hipe:erl_bif_types.erl (for dialyzer)
2011-09-16Merge branch 'pan/win_erlsrv_stop/OTP-9344' into devBjörn-Egil Dahlberg
* pan/win_erlsrv_stop/OTP-9344: Move init of smp rw mutex from init to sys_args to make sure that it is initialized before the first erts_sys_getenv call Move erts_sys_env_init() to erts_sys_pre_init() Remove _DEBUG from start_erl.c Spelling correction in erlsrv doc Convert windows start_erl to take rootdir on command line Add command start_disabled to erlsrv Add global lock for erlsrv to avoid races Change start order so that service_event gets initialized before it's used
2011-09-16Merge branch 'pan/win_symbolic_link_fixes/OTP-9279' into devBjörn-Egil Dahlberg
* pan/win_symbolic_link_fixes/OTP-9279: Add error code for cyclic symbolic links and make directory links readable
2011-09-16Merge branch 'pan/erts_printf_term/OTP-9435' into devBjörn-Egil Dahlberg
* pan/erts_printf_term/OTP-9435: Correct return values from write-functions in erl_printf
2011-09-15Fix more misspellings of compatibilityTuncer Ayaz
2011-09-15Fix misspelling of compatibilityTuncer Ayaz
2011-09-15Fix misspelling of accommodateTuncer Ayaz
2011-09-15Fix misspelling of exceedTuncer Ayaz
2011-09-15Fix misspelling of accidentallyTuncer Ayaz
2011-09-15Fix misspelling of successfulTuncer Ayaz
2011-09-15Fix typos (variable name) in erl_nif(3)Tuncer Ayaz
2011-09-15Fix trivial typos in erlang(3)Tuncer Ayaz
2011-09-13Merge branch 'ta/werror' into devHenrik Nord
* ta/werror: snmp: extend warnings_as_errors test systools: add warnings_as_errors option asn1ct: add warnings_as_errors option leex: optimize werror/1 yecc: optimize werror/1 yecc: use more descriptive name: 'werror' leex: use more descriptive name: 'werror' compile: optimize werror/1 compile: log warnings as errors if -Werror is enabled yecc: log warnings as errors if -Werror is enabled leex: log warnings as errors if -Werror is enabled yecc: honour -Werror passed from erlc leex: honour -Werror passed from erlc Do not write beam file if Werr and warnings /= [] parsetools: test if warnings_as_errors writes file OTP-9536
2011-09-12Make sure we have a run_queueBjörn-Egil Dahlberg
* In rare cases we could have no run_queue in schedule misc ops
2011-09-12Cleanup ETS bif's in hipe:erl_bif_types.erl (for dialyzer)Patrik Nyblom
2011-09-10Merge branch 'bjorn/erts/fix-autoimports-testcase' into devBjörn Gustavsson
* bjorn/erts/fix-autoimports-testcase: erts: Add a sanity check to autoimport_SUITE erts: Fix failing autoimport test case
2011-09-08Merge branch 'fm/enif_compare-64-to-32bits-cast' into devHenrik Nord
* fm/enif_compare-64-to-32bits-cast: Fix enif_compare on 64bits machines OTP-9533
2011-09-08Merge branch 'dc/fix_win32_static_crypto' into devHenrik Nord
* dc/fix_win32_static_crypto: Fix win32 OpenSSL static linking broken in 20c9d6e OTP-9532
2011-09-08Merge branch 'hw/detect-cpus-on-irix' into devHenrik Nord
* hw/detect-cpus-on-irix: Detect the available CPUs on IRIX OTP-9531
2011-09-08Merge branch 'fm/external_size_2' into devHenrik Nord
* fm/external_size_2: Add erlang:external_size/2 BIF OTP-9528
2011-09-08Merge branch 'hw/ignore-empty-epmd-address' into devHenrik Nord
* hw/ignore-empty-epmd-address: Let epmd ignore empty ERL_EPMD_ADDRESS OTP-9525
2011-09-08compile: log warnings as errors if -Werror is enabledTuncer Ayaz
2011-09-08erts: Add a sanity check to autoimport_SUITEBjörn Gustavsson
If we fail to parse out any functions from erlang.xml, make sure that we fail.
2011-09-08erts: Fix failing autoimport test caseBjörn Gustavsson
The autoimport_SUITE:autoimport/1 test case would interpret data type definitions as function calls. Fix this by skipping to the <funcs> tag before starting to collect function names.
2011-09-08Merge branch 'bjorn/erts/fix-erlc_SUITE-arg_overflow' into devBjörn Gustavsson
* bjorn/erts/fix-erlc_SUITE-arg_overflow: erlc_SUITE: Fix arg_overflow/1 test case
2011-09-06Changes inspired by running cppcheck(1)Christian von Roques
2011-09-03erlc_SUITE: Fix arg_overflow/1 test caseBjörn Gustavsson
In commit be8759e68b337524c056b8bb757ea68c9996d863, a buffer overflow was fixed in erlc and the erlc_SUITE:arg_overflow/1 test case was added. That test cases invokes erlc with 10000 -D options, which will result in 'erl' being invoked with more than 30000 arguments. On some platforms, the test case will fail for the wrong reason: * 64-bit Linux kernels before 2.6.23 limit the number of arguments in an excvp() call to 16383. (See "Number of arguments and maximum length of one argument" in http://www.in-ulm.de/~mascheck/various/argmax/.) * The command shell in Windows limits the size of the command line to 8191 characters. Depending on the platform, pass a different number of -D options to erlc. Since the size of the options does not matter for this test case, make the options as short as possible by generating numbers in base 36.
2011-09-02Update documentation and specifications of some of the zlib functionsHans Bolinder
The functions zlib:deflateSetDictionary/2 and zlib:inflateSetDictionary/2 accept iodata() as Dictionary. The functions zlib:crc32/2,3, zlib:adler32/2,3, zlib:compress/1, zlib:uncompress/1, zlib:zip/1, and zlib:unzip/1 accept iodata() as data.
2011-09-02Fix enif_compare on 64bits machinesFilipe David Manana
In 64bits machines the Sint type has a size of 8 bytes, while on 32bits machines it has a 4 bytes size. enif_compare was ignoring this and therefore returning incorrect values when the result of the CMP function (which returns a Sint value) doesn't fit in 4 bytes. For example, passing the operands -1294536544000 and -1178704800000 to enif_compare would trigger the bug.
2011-09-01Merge branch 'ta/configure-fdatasync' into devHenrik Nord
* ta/configure-fdatasync: Document fdatasync -lrt requirement (SunOS <= 5.10) Move fdatasync autoconf checks to proper place OTP-9512
2011-08-30Merge branch 'ms/epmd-fix-compiler-warnings' into devHenrik Nord
* ms/epmd-fix-compiler-warnings: epmd: fix compiler warnings OTP-9500
2011-08-27Add erlang:external_size/2 BIFFilipe David Manana
This BIF's second parameter is a list of options. Currently the only allowed option is {minor_version, Version} where version is either 0 (default) or 1.
2011-08-25Add erlang:check_old_code/1Björn Gustavsson
Add erlang:check_old_code/1 to quickly check whether a module has old code. If there is no old code, there is no need to call erlang:check_process_code/2 for all processes, which will save some time if there are many processes.
2011-08-25check_process_code/2: Quickly return 'false' if there is no old codeBjörn Gustavsson
There is no need to suspend the process if the module has no old code. Measurements show that this change will make erlang:check_process_code/2 in an SMP emulator about four times faster if the module has no old code.
2011-08-24Merge branch 'rc/r14-gc-fix' into devHenrik Nord
* rc/r14-gc-fix: fix 64-bit issues in the garbage collection OTP-9488
2011-08-15erts: use a union to avoid strict aliasing issuesTuncer Ayaz
Use a union for pointer type conversion to avoid compiler warnings about strict-aliasing violations with gcc-4.1. gcc >= 4.2 does not emit the warning. TODO: Reconsider use of union once gcc-4.1 is obsolete?
2011-08-15erts: adapt matrix_nif to R14 erl_nif API changesTuncer Ayaz
2011-08-15fix 64-bit issues in the garbage collectionRichard Carlsson
We discovered that if a single Erlang process tried to grow above 32 GB (i.e., more 64-bit words than can be counted by a 32-bit number), the VM failed to find the next larger heap size, even though there were plenty more heap sizes left to pick from and even though we had a lot more memory available on the machine. (Obviously, this is only applicable on 64-bit Erlang.) It turned out to be due to some 'int' variables in the heap resizing parts of erl_gc.c not being properly updated to 'Uint' or 'Sint'. Once that was fixed, I got segfaults instead as soon as the heap got larger than 2^32 words, due to even more 'int' declarations in the same file, but now in the GC code. After fixing this as well, I successfully ran an Erlang node in which a single Erlang process had a heap so large that I'm not at liberty to divulge the exact size, but I think the scientific term is "humongous", and I'm confident that there are no further immediate problems with very very large individual process heaps.
2011-08-11Fix win32 OpenSSL static linking broken in 20c9d6eDave Cottlehuber
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