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2017-02-06Implement magic referencesRickard Green
Magic references are *intentionally* indistinguishable from ordinary references for the Erlang software. Magic references do not change the language, and are intended as a pure runtime internal optimization. An ordinary reference is typically used as a key in some table. A magic reference has a direct pointer to a reference counted magic binary. This makes it possible to implement various things without having to do lookups in a table, but instead access the data directly. Besides very fast lookups this can also improve scalability by removing a potentially contended table. A couple of examples of planned future usage of magic references are ETS table identifiers, and BIF timer identifiers. Besides future optimizations using magic references it should also be possible to replace the exposed magic binary cludge with magic references. That is, magic binaries that are exposed as empty binaries to the Erlang software.
2017-01-12Support for dirty BIFsRickard Green
2016-12-02configure.in: Fix configure test for usable OpenSSLBjörn Gustavsson
In OpenSSL 1.1.0, HMAC_CTX no longer has a complete definition, and can no longer be allocated as a stack variable. Therefore, the code in the configure test for usable OpenSSL library will not compile. Call the HMAC() function instead since it exists in all versions of of OpenSSL that we support. Note that the code will only be compiled and linked, not run, so the argument values don't matter as long as they have the correct type.
2016-12-02configure.in: Fix test for SSL with KerberosBjörn Gustavsson
OpenSSL 1.1.0 and higher does not support Kerberos and no longer defines OPENSSL_NO_KRB5 to indicate that. Test the version number as well as OPENSSL_NO_KRB5.
2016-11-22Merge branch 'sverker/Wundef'Sverker Eriksson
2016-11-14erts: Add gcc compile error -Werror=undefSverker Eriksson
to get errors for "#if UNDEFINED_MACRO"
2016-11-11Merge branch 'maint'Sverker Eriksson
2016-11-11Merge branch 'sverker/hipe-no-pie-amd64/ERL-294/PR-1239/OTP-14031' into maintSverker Eriksson
* sverker/hipe-no-pie-amd64: erts: Disable -fPIE for HiPE on x86_64 erts: Fix correct link flags for hipe_mkliterals
2016-11-11erts: Disable -fPIE for HiPE on x86_64Sverker Eriksson
2016-10-21erts: Use mprotect for hipe on all arch except x86_64Sverker Eriksson
Only x86_64 needs to reserve low virtual memory for its amd64 small code model.
2016-10-20erts: Refactor hipe config testSverker Eriksson
Just merge the two if's
2016-10-19Merge branch 'maint'Raimo Niskanen
2016-10-17Configure enable libsctp dependencyRaimo Niskanen
2016-10-14Merge branch 'master' into sverker/hipe-code-loadnpurgeSverker Eriksson
Conflicts: erts/emulator/beam/beam_bif_load.c erts/emulator/beam/beam_load.c and added macro DBG_TRACE_MFA_P in beam_load.h
2016-10-14erts: Enable exec_alloc for all hipe architecturesSverker Eriksson
For non-amd64 it's a "normal" allocator with a wrapper around mseg_alloc to call mprotect(PROT_EXEC).
2016-10-13Revert "Check libsctp for sctp funcs in configure.in"Raimo Niskanen
This reverts commit 52fae83743a6e84d719f4f82fe45e6e0efdbd6f0: Check libsctp for sctp funcs in configure.in Call AC_CHECK_LIB before calling AC_CHECK_FUNCS to check for functions in libsctp. Otherwise AC_CHECK_FUNCS will not link with libsctp to see if function exists. Reverting to the old behaviour of not checking for libsctp before checking for sctp functions. Then it works on Linux by loading libsctp and looking up the symbols i runtime, and it works on FreeBSD since there is no separate libsctp to link against - the functions are part of the default system libraries.
2016-10-11Merge branch 'legoscia/ssl_in_fips_mode/PR-1180/OTP-13921'Hans Nilsson
Conflicts: lib/crypto/c_src/crypto.c lib/ssl/src/ssl_cipher.erl
2016-09-29Merge branch 'maint'Rickard Green
* maint: Try to handle not yet available functionality in MacOSX SDK Check deployment target in configure on MacOSX Fix posix_memalign configure test
2016-09-29Merge branch 'rickard/macosx-config-mess/OTP-13904' into maintRickard Green
* rickard/macosx-config-mess/OTP-13904: Try to handle not yet available functionality in MacOSX SDK Check deployment target in configure on MacOSX Fix posix_memalign configure test
2016-09-28Rename SSL_DEFINE to SSL_FLAGSMagnus Henoch
For consistency with other applications.
2016-09-28Support using OpenSSL in FIPS modeDániel Szoboszlay
FIPS mode support needs to be enabled at compile time, by configuring Erlang/OTP with --enable-fips option. In FIPS mode the non-FIPS algorithms are disabled and raise error notsup. The supported protocols list is properly updated in FIPS mode to advertise only the enabled protocols. FIPS mode is off by default even if Erlang/OTP was built with FIPS support. It needs to be turned on at runtime. The official approach is to set the fips_mode application environment parameter of the crypto application to true. This would turn FIPS mode on when the NIF is loaded and would prevent loading the module on error. Another method is provided via the crypto:enable_fips_mode/1 function, but it is not recommended to be used in production, as it won't prevent the use of the crypto module in case of an error, and would risk OpenSSL crashing the emulator. It is very useful for test suites however that need to check both validated and non-validated functionality. This commit is based on commit 00b3a04d17a653b4abddeebd6dd8a2c38df532d0.
2016-09-28Try to handle not yet available functionality in MacOSX SDKRickard Green
2016-09-28Merge branch 'maint'Björn-Egil Dahlberg
2016-09-25Fix typo in configuration descriptionLuca Favatella
2016-09-23Fix posix_memalign configure testRickard Green
2016-09-01Enable dirty scheduler support as defaultRickard Green
2016-08-31Remove old purge strategyRickard Green
2016-08-29Merge branch 'maint'Rickard Green
* maint: Fix tracing of processes executing dirty Perform check_process_code while process is executing dirty Fix purge of code Reclaim literal area after purge has completed Separate literal area from code Conflicts: erts/emulator/beam/global.h
2016-08-29Merge branch 'rickard/fun-purge-bug/OTP-13809' and ↵Rickard Green
'rickard/new-purge-strategy/OTP-13833' into maint * rickard/fun-purge-bug/OTP-13809: Fix purge of code Reclaim literal area after purge has completed Separate literal area from code Conflicts: erts/doc/src/erlang.xml erts/emulator/beam/beam_bif_load.c erts/emulator/beam/erl_init.c erts/preloaded/ebin/init.beam
2016-08-26Merge branch 'g-andrade/kernel/fetch_ztream_dictionary/PR-1139/OTP-13842'Lukas Larsson
* g-andrade/kernel/fetch_ztream_dictionary/PR-1139/OTP-13842: Update preloaded modules Specify min zlib ver on inflateGetDictionary doc Skip inflateGetDictionary test case if unsupported zlib: Only link inflateGetDictionary if available zlib: Add test case for inflateGetDictionary zlib: support extraction of inflation dictionary
2016-08-26Reclaim literal area after purge has completedRickard Green
2016-08-22zlib: Only link inflateGetDictionary if availableGuilherme Andrade
Which at the moment means zlib versions >= 1.2.8.
2016-08-12Merge branch 'binarin/even-more-absolute-paths/PR-1103/OTP-13800' into maintLukas Larsson
* binarin/even-more-absolute-paths/PR-1103/OTP-13800: Use perl discovered by configure Don't make assumptions about build tools paths
2016-06-30Check libsctp for sctp funcs in configure.injonasf
Call AC_CHECK_LIB before calling AC_CHECK_FUNCS to check for functions in libsctp. Otherwise AC_CHECK_FUNCS will not link with libsctp to see if function exists.
2016-06-21Use perl discovered by configureAlexey Lebedeff
2016-06-15Don't make assumptions about build tools pathsAlexey Lebedeff
One more followup to https://github.com/erlang/otp/pull/1056 and https://github.com/erlang/otp/pull/1023 This time it's about `/usr/bin/env` and `/bin/cp`: - `/usr/bin/env` in `diameterc` was used to find the bootstrapped `escript` executable. Changed it to exlpicit call to `escript` in Makefile. - `/usr/bin/env` and `/bin/cp` were referenced in documentation build/install process. Now full paths to this tools are injected using autoconf magic.
2016-06-08erts: Change LTTng otp domainBjörn-Egil Dahlberg
From 'com_ericsson_otp' to 'org_erlang_otp'. This domain name is more suitable.
2016-06-02Merge branch 'saleyn/uds/PR-612/OTP-13572'Raimo Niskanen
* saleyn/uds/PR-612/OTP-13572: Rewrite inet* for address family 'local' Rewrite inet_drv for AF_LOCAL Assign externally open fd to gen_tcp (UDS support) Conflicts: erts/preloaded/ebin/prim_inet.beam lib/kernel/doc/src/gen_tcp.xml lib/kernel/doc/src/gen_udp.xml lib/kernel/src/inet6_sctp.erl lib/kernel/test/inet_SUITE.erl
2016-05-23erts: Print valid version of lttng-ust in configure helpBjörn-Egil Dahlberg
2016-05-10Remove conditional dirty schedulers APIRickard Green
2016-05-09Merge branch 'binarin/fix-build-tool-paths/PR-1023/OTP-13562'Lukas Larsson
* binarin/fix-build-tool-paths/PR-1023/OTP-13562: Fix program paths used in build process Conflicts: erts/configure.in
2016-04-21Fix program paths used in build processAlexey Lebedeff
Not every OS has '/bin/rm' or '/bin/pwd' at exactly that location. In some places in configure scripts result of AC_PATH_PROG was already correctly used, this patch makes this usage more consistent. As for `/bin/pwd` in `otp_build`, shell built-in one is already used in mingw parts - so it should cause no harm to use it everywhere. Difference is only in symlinks resolution - non-builtin `pwd` always returns absolute path, and builtin-one could take into account what sequence of user actions lead to current value of $PWD.
2016-04-20Merge branch 'sverker/hipe-code-alloc'Sverker Eriksson
2016-04-15erts: Add 'exec_alloc' for hipe codeSverker Eriksson
that uses its own super carrier (erts_exec_mmapper) to guarantee low addressed and executable memory (PROT_EXEC). Currently only used on x86_64 that needs low memory for HiPE/AMD64's small code model. By initializing erts_exec_mapper early we secure its low memory area before erts_literal_mmapper might steal it.
2016-04-13Merge branch 'henrik/update-copyrightyear'Henrik Nord
* henrik/update-copyrightyear: update copyright-year
2016-04-06Merge branch 'egil/erts/tracing-beam-lttng/OTP-10282'Björn-Egil Dahlberg
* egil/erts/tracing-beam-lttng/OTP-10282: erts: Don't use ratio in carrier lttng tracepoints Add lttng testcases erts: Extend erlang:system_info/1 with lttng Refactor and fix dtrace define in erl_message erts: Add lttng tracepoints for async pool queue erts: Add lttng tracepoints for drivers erts: Add lttng tracepoints for scheduler events erts: Add lttng tracepoints for memory carriers erts: Update lttng-wrapper with mfa conversion erts: Teach lttng to configure and build system
2016-04-06erts: Teach lttng to configure and build systemBjörn-Egil Dahlberg
Introduce a wrapper API for lttng.
2016-03-21Merge branch 'bjorn/macosx-configure'Björn Gustavsson
* bjorn/macosx-configure: configure: Remove obsolete --enable-darwin-* options
2016-03-18Merge branch 'lukas/erts/fix-vsyslog-freebsd/OTP-13427'Lukas Larsson
* lukas/erts/fix-vsyslog-freebsd/OTP-13427: erts: Fix run_erl syslog prototypes for freebsd Conflicts: erts/etc/unix/run_erl.c
2016-03-17configure: Remove obsolete --enable-darwin-* optionsBjörn Gustavsson
Remove the options: --enable-darwin-universal --enable-darwin-64bit The --enable-darwin-universal option turns on universal binaries (Intel/PPC). It does not work on modern releases of OS X, and OTP 19 will most not likely build on an OS X release that still supports universal builds. The --enable-darwin-64bit option is not needed, because 64-bit builds are default on modern OS X releases. There is also the generic --enable-m64-build option.
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