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2012-03-22Correct some errors in the user tag spreadingPatrik Nyblom
2012-03-22Add user tag spreading functionality to VM and use in filePatrik Nyblom
User tags in a dynamic trace enabled VM are spread throughout the system in the same way as seq_trace tokens. This is used by the file module and various other modules to get hold of the tag from the user process without changing the protocol.
2012-03-22Update dtrace for changes in R15Björn-Egil Dahlberg
2012-03-22Add DTrace support for OS X, Solaris, and Linux (via SystemTap), 4/4Scott Lystig Fritchie
Add probes to (mostly) the efile_drv.c driver and other file I/O-related source files.
2012-03-20Merge branch 'sverk/zlib_port_leak' into maintSverker Eriksson
* sverk/zlib_port_leak: Fix port leaks in zlib OTP-9981
2012-03-19Merge branch 'ph/fix-enfile/OTP-9990' into maintBjörn-Egil Dahlberg
* ph/fix-enfile/OTP-9990: Update preloaded prim_inet.beam gen_tcp: Use correct specs for accept and listen prim_inet: Catch system_limit in open_port Fix returned error from gen_tcp:accept/1,2 when running out of ports
2012-03-16Update preloaded prim_inet.beamBjörn-Egil Dahlberg
2012-03-15Fix port leaks in zlibSverker Eriksson
zip,unzip,gzip,gunzip,compress and uncompress did not close the port when given invalid data argument. Fixed by putting close in "try-after". A closed port could in same cases get stuck in limbo due to data in io-queue. Fixed by adding a flush callback.
2012-01-26Implement statistics(scheduler_wall_time)Rickard Green
2011-12-12Update preloaded modulesBjörn-Egil Dahlberg
OTP-9810 OTP-9812 OTP-9813 OTP-9814 OTP-9818
2011-12-09Update preloaded modulesBjörn-Egil Dahlberg
2011-12-08Update prim_file.beam and prim_zip.beamBjörn-Egil Dahlberg
2011-12-02Update preloaded modulesLukas Larsson
2011-11-30erlang: Eliminate a clause in aa_mem_data/2 that can never matchBjörn Gustavsson
aa_mem_data/2 is only called by aa_mem_data/1 and itself. aa_mem_data/1 called with the argument 'notsup' will never call aa_mem_data/2. aa_mem_data/2 will only call itself with a #memory{} record as the first argument. QED. Noticed-by: Dialyzer.
2011-11-17Update preloaded filesRaimo Niskanen
2011-11-17Update primary bootstrap and preloaded filesRaimo Niskanen
2011-11-13Merge branch 'rickard/alloc-opt/OTP-7775'Rickard Green
* rickard/alloc-opt/OTP-7775: Optimize memory allocation Conflicts: erts/aclocal.m4 erts/emulator/hipe/hipe_bif_list.m4 erts/preloaded/ebin/erl_prim_loader.beam erts/preloaded/ebin/erlang.beam erts/preloaded/ebin/init.beam erts/preloaded/ebin/otp_ring0.beam erts/preloaded/ebin/prim_file.beam erts/preloaded/ebin/prim_inet.beam erts/preloaded/ebin/prim_zip.beam erts/preloaded/ebin/zlib.beam
2011-11-13Optimize memory allocationRickard Green
A number of memory allocation optimizations have been implemented. Most optimizations reduce contention caused by synchronization between threads during allocation and deallocation of memory. Most notably: * Synchronization of memory management in scheduler specific allocator instances has been rewritten to use lock-free synchronization. * Synchronization of memory management in scheduler specific pre-allocators has been rewritten to use lock-free synchronization. * The 'mseg_alloc' memory segment allocator now use scheduler specific instances instead of one instance. Apart from reducing contention this also ensures that memory allocators always create memory segments on the local NUMA node on a NUMA system.
2011-09-27Merge branch 'dev' into majorBjörn Gustavsson
* dev: Update preloaded modules erl_prim_loader: Eliminate dialyzer warning Conflicts: erts/preloaded/ebin/erl_prim_loader.beam
2011-09-26Update preloaded modulesBjörn Gustavsson
2011-09-02Merge branch 'dev' into majorHans Bolinder
* dev: Update documentation and specifications of some of the zlib functions Conflicts: erts/preloaded/ebin/zlib.beam
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.
2011-07-06Update preloaded modulesBjörn Gustavsson
2011-06-21Update preloaded modulesPatrik Nyblom
2011-06-21Merge branch 'dev' into majorPatrik Nyblom
2011-06-20Add more specs and typesHans Bolinder
An incorrect spec, rpc:yield/1, has been fixed.
2011-06-08Update preloaded prim_file.beamBjörn-Egil Dahlberg
2011-06-08Update preloaded moduleRaimo Niskanen
2011-05-20Update preloaded modulesBjörn-Egil Dahlberg
2011-05-06Update prim_file.beamBjörn-Egil Dahlberg
2011-04-27add prim_file.beamHenrik Nord
2011-03-01Update preloaded modulesSverker Eriksson
2010-12-03Update preloaded modulesPatrik Nyblom
2010-11-30Update preloaded prim_filePatrik Nyblom
2010-11-09Implement inet:getifaddrs/0 on WindowsRaimo Niskanen
2010-11-09Implement basic inet:getifaddrs/0Raimo Niskanen
2010-10-20Teach -init_debug to print info about on_load handlers begin runBjörn Gustavsson
2010-10-20Fix hang in on_load handlers in embedded modeBjörn Gustavsson
In embedded mode, all on_load handlers will be called after loading all modules but before starting any servers. Therefore, if an on_load handler calls any function in the code module that calls the code server (such as code:priv_dir/1), there will be a deadlock because the code server has not yet been started. Fix this problem by invoking the on_load handlers after having started most servers in the kernel application.
2010-09-10Update preloaded modulesPatrik Nyblom
2010-08-31Fill in sinfo_assoc_id in struct sctp_sndrcvinfo for getopt()Raimo Niskanen
The assoc_id field was uninitialized causing random answers.
2010-06-09Update preloaded filesRaimo Niskanen
2010-06-04Update preloaded modulesRaimo Niskanen
2010-06-02Update preloaded modulesPatrik Nyblom
2010-05-20Update preloaded modulesBjörn Gustavsson
2010-03-16Add function zip:foldl/3 to iterate over zip archivesHåkan Mattsson
This is the public interface of prim_zip:open/3, which has been used in earlier releases by both erl_prim_loader and escript. The new function can be used as a replacement for the undocumented function escript:foldl/3 that is likely to be removed without further notice. The error handling of prim_zip:open/3 (and prim_zip:foldl/3) has been improved in order to better suite a public interface. For example it could happen that a file or a zlib port could be left open in some errors cases. The documentation of the FileSpec parameter to zip:create/3 has been updated to show that file info can be explicitly specified. A FileSpec may contain {Filename, binary(), #file_info{}} elements. The function zip:create/3 was already prepared to partly support this, but now after a few minor fixes it is fully supported.
2010-02-11Update preloaded filesBjörn Gustavsson
2010-01-27Update preloaded filesBjörn Gustavsson
2010-01-06Update preloaded filesBjörn Gustavsson
2009-12-13Change the expected return value for on_load functionsBjörn Gustavsson
An on_load function is supposed to return 'true' to indicate that the module should be loaded, and 'false' if it should be unloaded. But returning any other term, as well as causing an exception, will also unload the module. Since we don't like boolean values mixed with other values, change the expected return value as follows: * If 'ok' is returned, the module will remain loaded and become callable. * If any other value is returned (or an exception is generated), the module will be unloaded. Also, if the returned value is not an atom, send a warning message to the error_logger (using error_logger:warning_msg/2). The new interpretation of the return value means that an on_load function can now directly return the return value from erlang:load_nif/2.
2009-11-20The R13B03 release.OTP_R13B03Erlang/OTP
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