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2013-06-05Merge branch 'pan/raise_windows_version' into maintPatrik Nyblom
* pan/raise_windows_version: Raise the minimal supported Windows version OTP-11145
2013-05-28add support for hipe on Raspberry Pi (armv6l)Klaus Alfert
To enable hipe on a Raspberry Pi, configure has to detect the ARM processor correctly. On a Pi, uname detects the CPU as armv6l. Other CPU variants are already detected with ARCH=arm, so does now the armv6l of the Raspberry Pi.
2013-05-08Merge branch 'nox/wide-chars/OTP-11088' into maintFredrik Gustafsson
* nox/wide-chars/OTP-11088: Support wide characters in the shell through wcwidth() Fix bogus DEBUGLOG() incantations in ttsl_drv
2013-05-06Raise the minimal supported Windows versionPatrik Nyblom
From previous 0x0500 to 0x0501, which obsoletes W2k. This is needed for full IPV6 support.
2013-04-27Support wide characters in the shell through wcwidth()Anthony Ramine
There is one remaining bug where ttsl_drv's state ends up inconsistent with the terminal own state; when a wide character is entered on the last column of the terminal. Reported-by: Loïc Hoguin
2013-04-27Do not use -mdynamic-no-pic on DarwinAnthony Ramine
Latest OS X versions ignore this flag as non PIC objects are discouraged.
2013-03-18Make configure test for fallocate try to linkPatrik Nyblom
This hopefully detects fault glibc's where fallocate64 is nonexistent.
2013-02-15Do not use writev on osx snow leopardLukas Larsson
writev will for large files return 0 indefinetely causing the efile driver to go into an infinite loop.
2013-01-25Update copyright yearsBjörn-Egil Dahlberg
2013-01-21[erl_docgen] Add xmllint target for the documentation and fix some DTD errorsLars Thorsen
2013-01-15Merge branch 'dgud/wx/fix-wx-2.9-compat/OTP-10407'Dan Gudmundsson
* dgud/wx/fix-wx-2.9-compat/OTP-10407: (26 commits) wx: Fix comments wx: Workaround wx-2.9 bugs wx: Mac fixes wx: Fix demo and tests wx: Allow 64 bits compilation on mac, requires wxWidgets-2.9 appmon: Move runtime part to runtime_tools app reltool: fix wxWidgets-2.9 compability debugger: Fix 2.9 compat observer: Fix check for graphics contexts Observer: Fix distribution dialog observer: Fix font sizes wx: Fix the demo wx: Fix loading icons and cursors in Windows wx: Remove unnecessary casts wx: Fix changed getfunctions wx: Depricate wxCursor new functions wx: Fix int to enum wx: Include correct m4 file in 2.9 wx: Update examples so they work with both wxWidgets 2.8 and 2.9 wx: Modify tests so they work on wxWidgets-2.9 ...
2013-01-11If GCC is used, treat -Wreturn-type as errorTuncer Ayaz
2013-01-10erts: Fix xcomp configure for fallocateBjörn-Egil Dahlberg
* Default to 'no' for finding a working fallocate
2013-01-09Add file:allocate/3 operationFilipe David Manana
This operation allows pre-allocation of space for files. It succeeds only on systems that support such operation. The POSIX standard defines the optional system call posix_fallocate() to implement this feature. However, some systems implement more specific functions to accomplish the same operation. On Linux, if the more specific function fallocate() is implemented, it is used instead of posix_fallocate(), falling back to posix_fallocate() if the fallocate() call failed (it's only supported for the ext4, ocfs2, xfs and btrfs file systems at the moment). On Mac OS X it uses the specific fcntl() operation F_PREALLOCATE, falling back to posix_fallocate() if it's available (at the moment Mac OS X doesn't provide posix_fallocate()). On any other UNIX system, it uses posix_fallocate() if it's available. Any other system not providing this system call or any function to pre-allocate space for files, this operation always fails with the ENOTSUP POSIX error.
2013-01-09wx: Allow 64 bits compilation on mac, requires wxWidgets-2.9Dan Gudmundsson
Testing using wxWidgets-2.9 on mac
2012-10-31Merge branch 'raimo/IPV6_V6ONLY/OTP-8928'Raimo Niskanen
* raimo/IPV6_V6ONLY/OTP-8928: kernel: Document socket option ipv6_v6only kernel: Add test cases for socket option ipv6_v6only erts,kernel: Implement socket option ipv6_v6only in erlang code erts: Implement socket option IPV6_V6ONLY erts: Add configure test for IPV6_V6ONLY
2012-10-12erts: Add configure test for IPV6_V6ONLYRaimo Niskanen
2012-09-06Fix linking of shared libraries on OpenBSDBjörn-Egil Dahlberg
Reported-by: Matthew Dempsky
2012-08-27Merge branch 'psi/fix-leap-seconds/OTP-10227' into maintFredrik Gustafsson
2012-08-27Merge branch 'tab/fix-sctp-multihoming-IPv6/OTP-10217' into maintFredrik Gustafsson
* tab/fix-sctp-multihoming-IPv6/OTP-10217: Allow mixed IPv4 and IPv6 addresses to sctp_bindx Add checks for in6addr_any and in6addr_loopback Fix SCTP multihoming inet_drv.c: Set sockaddr lengths in inet_set_[f]address
2012-08-24Merge branch 'msp/double_middle_endian/OTP-10209' into maintLukas Larsson
* msp/double_middle_endian/OTP-10209: Configure now assumed normal doubles Revise the autoconf tests for double middle endianness. Add test for floating-point output to float_SUITE. Unbreak floating point on middle-endian machines.
2012-08-16Add checks for in6addr_any and in6addr_loopbackTomas Abrahamsson
These variables are normally declared by <netinet/in.h>, but for instance not on Windows 7, SDK 7.1. Work around that by using IN6ADDR_ANY_INIT and IN6ADDR_LOOPBACK_INIT if present, fallback to using :: and ::1.
2012-08-01Fix support for leap seconds-aware timezonesPiotr Sikora
erlang:universaltime_to_localtime is leap seconds-aware (since 2008), however erlang:localtime_to_universaltime is not, which gives surprising results on systems configured with leap seconds-aware timezones: 1> erlang:universaltime_to_localtime({{2012,1,1},{0,0,0}}). {{2012,1,1},{0,0,0}} 2> erlang:localtime_to_universaltime({{2012,1,1},{0,0,0}}). {{2012,1,1},{0,0,24}} and completely breaks calendar:local_time_to_universal_time_dst: 3> calendar:local_time_to_universal_time_dst({{2011,1,1},{0,0,0}}). [] Signed-off-by: Piotr Sikora <[email protected]>
2012-06-25Add armv7l and armv5tejl as a recognized ARM architecturesSverker Eriksson
2012-05-10Remove stale code for hybrid heap and incremental GCBjörn Gustavsson
The hybrid heap emulator was last working in the non-SMP R11B run-time system. When the constant pools were introduced in R12B, the hybrid heap emulator was not updated to handle them. At this point, the harm from reduced readability of the code is greater than any potential usefulness of keeping the code.
2012-03-23Unbreak floating point on middle-endian machines.Mike Sperber
On some ARMs (and maybe other platforms), doubles are stored with the the two 32-bit words reversed with respect to more common architectures. The symptom is this: > io_lib:write(1.0). "0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005299808824" Detect that and account for it when decoding floats.
2012-03-22Ifdef all dynamic trace codePatrik Nyblom
2012-03-22Move dtrace erlang code and NIF into runtime_toolsPatrik Nyblom
Also make dyntrace NIF's load in on_load instead of init/0
2012-03-22Change to more specific configure options for dtracePatrik Nyblom
2012-03-22Add DTrace support for OS X, Solaris, and Linux (via SystemTap), 1/4Scott Lystig Fritchie
Since it's been quite a while since I've written C code, *and* I haven't done any significant hacking on the VM itself in years, it's quite likely that I haven't done things in 100% proper style. Or my co-collaborators Dustin Sallings (CouchBase) or Michal Ptaszek (Erlang Solutions). My intent for this patch is to start discussion and review of DTrace support for consideration for the R15 release. For additional background on the motivation for this work, please see the slides for the presentation at the Erlang User Conference 2011 in Stockholm: https://www.erlang-factory.com/upload/presentations/462/euc2011-draft2.pdf Changes relative to dtrace-review2 branch: * Fix errors in OTP test suite 'kernel' file_SUITE * Fix errors in OTP test suite 'kernel' prim_file_SUITE * Fix bad pointer bug in efile_drv.c flush_write() * Move the DTrace material from the top of `README.md` into a new file, `README.dtrace.md` Changes since last push to GitHub (relative to commit 5828a4fb28, which was the former `dtrace-review1` branch): * Rebased onto 14 Nov 2011's "master" branch * Recent changes to the async task queuing mechanism means that the async worker queue length is not available. A bogus value of -1 is hard-coded until there's a good way to peek into the new queue structure and find the queue length. * Small fixes based on review comments by Mikael Pettersson, Andrew Thompson, and Andreas Schultz. Add autoconf support: use "./configure --enable-dtrace" on all supported platforms: * OS X Snow Leopard or later * Solaris 10 or OpenSolaris * Linux, via SystemTap's DTrace compatibility packages * FreeBSD 9.0RC1. FreeBSD 8 and earlier do not have support for USDT, DTrace's User-land Statically Defined Tracing. See the file `erts/emulator/beam/erlang_dtrace.d` for the definition of all DTrace probes in the virtual machine so far. Example D scripts can be found in `lib/dtrace/examples`. Note that if you see the error message `{name of probe} does not match any probes`, then there is no Erlang VM process + DTrace probes running. To fix, start a DTrace-enabled VM or remove `-q` from the `dtrace` command line. The `lib/dtrace` directory contains a small code-only OTP application that contains code that allows Erlang code to trigger a DTrace probe. Dynamic creation & deletion of DTrace probes is not currently supported, so the `dtrace:p()` function is hacked to allow a variable number of arguments (up to four integers and up to four strings) to be used. See the comments at the top of `lib/dtrace/src/dtrace.c` for more detail. One feature that may be controversial is the notion I've introduced of a special process dictionary key that can be used by Erlang code to tag I/O operations for an application-specific purpose. Right now, that tag's name is `dtrace_utag`. The dictionary keys used by `sys` and other modules start with a dollar sign. Perhaps there is some convention (but not a dollar sign?) that this tag should use? The purpose of the process dictionary key is to allow the tag to be included in trace messages, e.g. for file I/O, without changing the API of the `file.erl` module's functions. For example, here's a use of the tag when calling the `file:rename/2` function: (bar@sbb2)1> put(dtrace_utag, "GGOOOAAALL!!!!!"). undefined (bar@sbb2)2> dtrace:init(). ok %% Now start both the `user-probe.d` and `efile_drv.d` D scripts %% found in the `lib/dtrace/examples` directory. (bar@sbb2)3> dtrace:p(7, 8, 9, "one", "four"). true %% The output from the `user-probe.d` script: <0.40.0> GGOOOAAALL!!!!! 7 8 9 0 'one' 'four' '' '' (bar@sbb2)4> file:rename("old-name", "new-name"). {error,enoent} %% The output from the `efile_drv.d` script: async I/O pool port #Port<0.59> queue len 1 async I/O pool port #Port<0.59> queue len 0 efile_drv enter tag={1,110} user tag GGOOOAAALL!!!!! | RENAME (12) | args: old-name new-name , 0 0 (port #Port<0.59>) async I/O worker tag={1,110} | RENAME (12) | efile_drv-int_entry async I/O worker tag={1,110} | RENAME (12) | efile_drv-int_return efile_drv return tag={1,110} user tag GGOOOAAALL!!!!! | RENAME (12) | errno 2 I'm not exactly happy with this choice of tagging, namely using `put(dtrace_utag, Tag::list())`. But this is an experiment, so we'll see how it goes. I can't imagine changing the API for all file.erl functions in order pass the tag explicitly. Some modules have some extensive (ab)use of the C preprocessor to reduce the amount of #ifdefs that clutter the code. In several places, I have not #ifdef'ed automatic variables because of clutter. For the same reason, there are a handful of cases where I added DTrace-related members to a struct definition without an #ifdef. I feel that the result is easier to read than earlier drafts where I did use many more `https://github.com/slfritchie/otp/tree/dtrace-experiment+michal2` if you're curious.) I expect there may be some debate about whether the bloat of the affected structs is worthwhile. I erred on adding stuff to structs, especially in the efile_drv.c driver, not having a full grasp on what was thread-safe and what was not ... so I erred on the side of caution. The efile_drv.c has a work-around for a crazy GCC optimization bug. Thank goodness for Google, I dunno how I would've found a work-around for this silly thing. Many thanks to Trond Norbye for writing clearly about the problem in a membase Git repo commit message. /* * A note on probe naming: if "__" appears in a provider probe * definition, then two things happen during compilation: * * 1. The "__" will turn into a hypen, "-", for the probe name. * 2. The "__" will turn into a single underscore, "_", for the * macro names and function definitions that the compiler and * C developers will see. * * We'll try to use the following naming convention. We're a bit * limited because, as a USDT probe, we can only specify the 4th part * of the probe name, e.g. erlang*:::mumble. The 2nd part of the * probe name is always going to be "beam" or "beam.smp", and the 3rd * part of the probe name will always be the name of the function * that's calling the probe. * * So, all probes will be have names defined in this file using the * convention category__name or category__sub_category__name. This * will translate to probe names of category-name or * category-sub_category-name. * * Each of "category", "sub_category", and "name" may have underscores * but may not have hyphens. */ Add tentative support for sequential tracing sending, queueing, and receiving a message. I don't believe I've fully covered all the major places where it would be useful to have the sequential trace token info in a probe -- guidance from the OTP team would be helpful, if there's time to do that kind of review. Add global variable `erts_this_node_sysname`.
2012-01-13erts: Fix parallel make for emulator zlibRaimo Niskanen
Convert the recursive make for zlib into a make include file.
2011-12-08Merge branch 'ta/sendfile/OTP-9240'Lukas Larsson
* ta/sendfile/OTP-9240: Do not use async threads on DARWIN Fix cleanup when sendfile process crashes Return {error,closed} from sendfile if closed Do not use SFV_NOWAIT as it does not exist on all solaris Clarify some code comments Make solaris use sendfilev
2011-12-05Make solaris use sendfilevLukas Larsson
sendfilev is a richer API which allows us to do non blocking TCP on solaris. The normal sendfile API seems to have some issue with non blocking sockets and the return value of sendfile.
2011-12-02Fix time typesRickard Green
2011-12-02Back to not using 32bit time_tPatrik Nyblom
2011-12-02Make Win64 build work both under MSYS and CygwinPatrik Nyblom
2011-12-02Build Win64 Erlang emulator using MSYSunknown
Still does not run, just compiles.
2011-12-02Merge branch 'ta/sendfile/OTP-9240'Lukas Larsson
* ta/sendfile/OTP-9240: (31 commits) Add sendfile server printouts Skip recv/send during tests for fallback platforms Remove header/trailer support Remove windows implementation Expand sendfile documentation Only allow tcp sockets as target for sendfile Move sendfile api to file module Preliminary work on header/trailer Use free_sendfile explicitly for non-async Remove debug printouts Add tests for send/recv/sendfile interactions Remove tests for file_server sendfile sendfile caller now has to be the controlling_process Remove support for file_server, sendfile has to be raw Set chunk size to 3 GB Change type of fd to be ErlDrvEvent Add ifdef's for HAVE_SENDFILE Fix freebsd support for sendfile Change nbytes to 64 bit Implement ignorefd for TCP ...
2011-11-30Merge branch 'bjorn/llvm-issues/OTP-9712'Björn Gustavsson
* bjorn/llvm-issues/OTP-9712: INSTALL.md: Update build instructions for Lion Fix clang linking problem configure: Define NO_JUMP_TABLE if all we have is llvm-gcc beam_emu.c: Eliminate warnings when NO_JUMP_TABLE is defined beam_emu.c: Use the correct void* type for computed gotos MacOS X: Completely remove obsolete -no-cpp-precomp option
2011-11-30Merge branch 'tn/inet_drv-fix'Raimo Niskanen
* tn/inet_drv-fix: Cleanup - remove unnecesary bracket level and configure for ifreq.ifr_enaddr Work around gcc linking with own view of default libs on Solaris Use libdlpi to get physical address
2011-11-30erts: Configure check for SCTP features only when sctp.h is foundRaimo Niskanen
2011-11-30Disable floating point exceptions on Mac OS X by defaultBjörn Gustavsson
Many test cases provoke printouts similar to: ERTS_FP_CHECK_INIT at 0x131fd218: detected unhandled FPE at 0x1 Until the problem has been identified and fixed, disable floating point exceptions by default on Mac OS X.
2011-11-29Implement file:sendfileTuncer Ayaz
Allow Erlang code to use sendfile() where available by wrapping it as file:sendfile/4 and file:sendfile/2. sendfile(2) - Linux man page: "sendfile() copies data between one file descriptor and another. Because this copying is done within the kernel, sendfile() is more efficient than the combination of read(2) and write(2), which would require transferring data to and from user space."
2011-11-29Cleanup - remove unnecesary bracket level and configure for ifreq.ifr_enaddrRaimo Niskanen
2011-11-29Work around gcc linking with own view of default libs on SolarisRaimo Niskanen
Also use 64-bit lib when necessary, specify runtime lib path for secondary dependency libs, and better check before using SIOCGIFHWADDR.
2011-11-25MacOS X: Completely remove obsolete -no-cpp-precomp optionBjörn Gustavsson
clang does not recognize the -no-cpp-precomp option and generates a warning. -no-cpp-precomp is an obsolete Apple-specific gcc option, which last had any effect in gcc 3.1 for Jaguar. Since we cannot build for Jaguar anyway, the configure test added in 8412a400e92d5cbcd is not needed.
2011-11-24Use libdlpi to get physical addressTrond Norbye
2011-11-18Merge branch 'pan/osx_gcc_fixes'Patrik Nyblom
* pan/osx_gcc_fixes: Fix typo in erts/configure.in Make OTP build w/alternative gcc on MacOS Lion OTP-9712
2011-11-18Merge branch 'sverk/hipe-without-fpe/OTP-9724'Sverker Eriksson
* sverk/hipe-without-fpe/OTP-9724: otp_build: Disable FPE by default on Linux stdlib: Make sure qlc_SUITE:otp_6964 restores backtrace_depth erts: Add test for inf/NaN intermediate float results hipe,erts: Allow hipe without floating point exceptions hipe: Fix bug in hipe_rtl_lcm:calc_killed_expr_bb erts: Rename macros used by float instructions without FPE
2011-11-17erts: Fixes for SCTP on old Solaris 10Raimo Niskanen