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2017-02-20Ensure prim_eval:'receive' wont clobber def_arg_reg[0]Rickard Green
def_arg_reg[0] is used for storage of timeout instruction when a 'receive after' is executed. When a process was scheduled out inside prim_eval:'receive'/0 due to a function call, def_arg_reg[0] was overwritten due to storage of live registers. prim_eval:'receive'/2 now calls arg_reg_alloc/0 which bumps all reductions and then calls arg_reg_alloc/7 which will cause an allocation of a new arg_reg array since def_arg_reg only can hold 6 values. This ensures that the timeout instruction in def_arg_reg[0] used for the timeout wont be overwritten.
2017-02-07Prepare releaseErlang/OTP
2017-02-07Merge branch 'raimo/efile_drv-read_file-use-fstat/OTP-14184' into maint-19Erlang/OTP
* raimo/efile_drv-read_file-use-fstat/OTP-14184: Use fstat if it exists in efile_openfile
2017-02-07Merge branch 'sverker/bin2term-zlib-bug/ERL-340/OTP-14159' into maint-19Erlang/OTP
* sverker/bin2term-zlib-bug/ERL-340/OTP-14159: erts: Fix binary_to_term for compressed and zlib >= v1.2.9
2017-02-07Use fstat if it exists in efile_openfileRaimo Niskanen
2017-01-23erts: Fix binary_to_term for compressed and zlib >= v1.2.9Sverker Eriksson
Problem: z_stream was incorrectly copied with memcpy which just happened to work with zlib < v1.2.9. Solution: Avoid copying z_stream.
2017-01-12Prepare releaseErlang/OTP
2017-01-12Merge branch 'sverker/make-export-fun-race/OTP-14144' into maint-19Erlang/OTP
* sverker/make-export-fun-race/OTP-14144: erts: Fix race bug between export fun creation and code loading
2017-01-12erts: Fix race bug between export fun creation and code loadingSverker Eriksson
Symptom: SEGV crash on ARM in delete_code() -> export_list(). Could probably happen on other machines as well. Problem: Staging export table was iterated in an unsafe way while an entry was added for a new export fun. Solution: Correct write order and some memory barriers.
2016-12-09Prepare releaseErlang/OTP
2016-12-07Update preloaded modulesErlang/OTP
2016-12-07Update copyright-yearErlang/OTP
2016-11-25Merge branch 'rickard/init-bug/OTP-13911' into maintRickard Green
* rickard/init-bug/OTP-13911: Fix initialization dependencies between time, lock-check and lcnt Conflicts: erts/emulator/sys/unix/sys.c
2016-11-23Merge branch 'sverker/erts/crash-dump-limit/OTP-14046' into maintSverker Eriksson
again.
2016-11-23erts: Remove one little space in crash dumpSverker Eriksson
2016-11-23Merge branch 'rickard/dirty-scheduling-fixes' into maintRickard Green
OTP-14051 * rickard/dirty-scheduling-fixes: Update etp-commands for dirty schedulers Fix scheduling of system tasks on processes executing dirty Fix call time tracing with dirty schedulers Fix send of exit signal to process executing dirty Fix dirty scheduler process priority Fix alloc-util hard-debug Silence debug warning when no beam jump table is used with dirty schedulers Conflicts: erts/etc/unix/etp-commands.in
2016-11-23Merge branch 'rickard/nif-scheduling-fixes' into maintRickard Green
* rickard/nif-scheduling-fixes: Fix check_process_code() when NifExport is in use - OTP-14048 Fix GC when NifExport is in use - OTP-14049 Fix saving of original arguments when rescheduling via NifExport - OTP-14050
2016-11-22Update etp-commands for dirty schedulersRickard Green
2016-11-22Fix scheduling of system tasks on processes executing dirtyRickard Green
2016-11-22Fix call time tracing with dirty schedulersRickard Green
2016-11-22Fix send of exit signal to process executing dirtyRickard Green
2016-11-22Fix dirty scheduler process priorityRickard Green
2016-11-22Fix alloc-util hard-debugRickard Green
2016-11-22Silence debug warning when no beam jump table is used with dirty schedulersRickard Green
2016-11-22Fix check_process_code() when NifExport is in useRickard Green
2016-11-22Fix GC when NifExport is in useRickard Green
2016-11-22Fix saving of original arguments when rescheduling via NifExportRickard Green
2016-11-22Merge branch 'sverker/erts/crash-dump-limit/OTP-14046' into maintSverker Eriksson
* sverker/erts/crash-dump-limit: erts: Add env variable ERL_CRASH_DUMP_BYTES erts: Add ErtsStrToSint64 erts: Refactor crash dumping with cbprintf erts: Add cbprintf for Callback Printing erts: Remove unused erl_crash_dump()
2016-11-22erts: Add env variable ERL_CRASH_DUMP_BYTESSverker Eriksson
to limit crash dump size
2016-11-17erts: Add ErtsStrToSint64Sverker Eriksson
for simplify string to 64-bit integer parsing.
2016-11-17erts: Refactor crash dumping with cbprintfSverker Eriksson
Instead of passing around a file descriptor use a function pointer to facilitate more advanced backend write logic such as size limitation or compression.
2016-11-17erts: Add cbprintf for Callback PrintingSverker Eriksson
2016-11-16erts: Remove unused erl_crash_dump()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
2016-11-11erts: Fix correct link flags for hipe_mkliteralsSverker Eriksson
and no need for $(INCLUDED).
2016-11-09Merge branch 'maint-19' into maintBjörn-Egil Dahlberg
2016-11-08Update release notesErlang/OTP
2016-11-08Update version numbersErlang/OTP
2016-11-08Merge branch ↵Erlang/OTP
'egil/erts/fix-configure-to-check-in-libsct-for-sctp-funcs/ERL-262/OTP-13956' into maint-19 * egil/erts/fix-configure-to-check-in-libsct-for-sctp-funcs/ERL-262/OTP-13956: Configure enable libsctp dependency Revert "Check libsctp for sctp funcs in configure.in"
2016-11-08Merge branch 'bjorn/erts/erl_prim_loader/OTP-14009' into maint-19Erlang/OTP
* bjorn/erts/erl_prim_loader/OTP-14009: Update preloaded modules Fix performance bug in erl_prim_loader:get_modules/{2,3}
2016-11-08Configure enable libsctp dependencyRaimo Niskanen
2016-11-08Revert "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.
2016-11-05Update preloaded modulesBjörn Gustavsson
2016-11-05Fix performance bug in erl_prim_loader:get_modules/{2,3}Björn Gustavsson
The erl_prim_loader:get_modules/{2,3} functions were introduced in cd283583f8. Unfortunately, while the functions worked correctly, there was a bug in that many garbage maessages would be sent to the erl_prim_loader process. The number of extra messages depended on both the length of the code path and of the number of modules that were fetched. The messages were ignored and ultimately discarded, causing no harm except for a performance degradation and increase of the heap size for the erl_prim_loader process. The following functions were hit by the performance bug: code:atomic_load/1 code:ensure_modules_loaded/1 code:prepare_loading/1
2016-11-04erts: Use cmd on windows for port_SUITEBjörn-Egil Dahlberg
2016-11-01erts: Fix SIGUSR1 crashdump generationBjörn-Egil Dahlberg
Do not generate a core when a crashdump is asked for. Regression introduced in 56090db3ea417157a749bdd810fc61d117493f1f
2016-11-01Update preloadedHans Bolinder
2016-11-01erts: Correct type declaration of match specification headHans Bolinder
Bug reported by Peti Gömöri <[email protected]>.
2016-11-01Merge branch 'josevalim/erts/document-epmd-switches/PR-1217/OTP-13994' into ↵Björn-Egil Dahlberg
maint * josevalim/erts/document-epmd-switches/PR-1217/OTP-13994: Document the -epmd_module switch in erl
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