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Conflicts:
OTP_VERSION
erts/emulator/sys/unix/sys.c
erts/vsn.mk
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Assigning the result of a BIF call to a variable used to be
sufficient to prevent the call from being optimized away. With
the more aggressive optimization that will be introduced in
a future commit it will not be sufficient.
Matching the return value will prevent the compiler from doing
the optimization.
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* egil/fix-getifaddrs-realloc/OTP-12445:
erts: Fix getifaddrs realloc ptr mismatch
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* egil/fix-child_setup-close/OTP-12446:
erts: Use closefrom() if available when closing fds
erts: Don't close all fds twice in child_setup
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When a buffer was exhausted and subsequently a realloc, we could get
an invalid pointer.
For this to occur we would need to have a realloc to lower adresses.
The symptom would be garbage returned from erlang:port_control(Port, 25, [])
(prim_inet:getifaddrs(Port) resulting in a badarg) or a segmentation fault.
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closefrom() was only used in the vfork() case before, now also
used in the fork() case.
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The commit c2b4eab25c907f453a394d382c04cd04e6c06b49 introduced an error
in which child_setup erroneously tried to close all file descriptors twice.
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The hipe_bifs:make_native_stub/2 and hipe_bifs:get_emu_address/1
BIFs were originally used by hipe_unified_loader.erl, but the
code been obsolete and disabled for ages.
Remove the BIFs and all references to them.
In hipe_unified_loader.erl, remove the no-op emu_make_stubs/1
function.
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The HIPE_ALLOC_CODE macro in the HiPE runtime was introduced
ages ago to allow x86 and amd64 to switch from erts_alloc()
to an mmap() implementation with proper flag setting. Nowadays
the macro is identical on all platforms, and serves no purpose.
Delete the macro, move the hipe_alloc_code() prototype to
hipe_arch.h, and simplify hipe_bifs_enter_code_2().
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Closes all open socket before writing crashdump to file.
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* oliv3/math_log2/OTP-12411:
Add math:log2/1
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OTP-12405
* mikpe/hipe-arm-interworking:
hipe: fix ARM/Thumb interworking
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* dotsimon/sctp_paddrinfo_state:
Fix inet:getopts involving #sctp_paddrinfo{}
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The intention of this callback is to close all sockets associated to
a port. It is closed only on crashdumps.
This will currently only be used for the epmd port.
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HiPE on ARM is currently severely broken if the rest of the VM is
compiled to run in Thumb mode -- calling native code quickly ends
up executing code in the wrong mode and crashing the VM. This is
a problem on e.g. Ubuntu which configures its system GCC to generate
Thumb by default. It can also be triggered by overriding CC or
CFLAGS when compiling the VM.
There were three issues that caused the breakage:
1. Assembly-coded functions in hipe_arm_glue.S weren't explicitly
tagged as functions, preventing the linker from generating the
correct mode-switching call instructions for calls from C to
these functions.
Fixed by tagging those symbols as functions.
2. A few BIF wrappers were so simple that they performed tailcalls
to the C BIFs. This fails to switch mode when C is in Thumb.
Fixed by performing ordinary recursive calls when C is in Thumb.
3. The assembly-coded source files weren't explicitly tagged as ARM.
Tested with the HiPE testsuite on ARMv7, with the VM built as ARM
and as Thumb. Also manually inspected the object code for the beam
executable and checked that call sites from C to HiPE's ARM runtime
code and vice versa used the correct mode-switching instructions.
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* mikpe/fix-eacces-spelling:
fix eacces spelling
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* lukas/erts/crashdump_improvements/OTP-12377:
erts: Make main thread safe from pipe closed event
erts: Improve crash dumps
erts: Rename sys_sigset to sys_signal
erts: Introduce thread suspend functions
erts: Remove usage of QUANTIFY signal
erts: Add support for thread names
ets: Increase data available in crash dumps and ets:info
erts: Start compilation of beam_emu earlier
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This commit improves crash dumps in several ways:
* Suspends schedulers to get a current snapshot
* Dumps information about scheduler
* Dumps stack trace of current running process
(including Garbing processes)
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Also removed old legacy fallback that is no longer used
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These functions allow any thread to suspend any other thread
immediately and then resume all threads. This is useful when
doing a crash dump in order to get a more accurate picture
of what state the system is in.
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OTP-12376
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* haguenau/fix-endianness-speling:
Replaced "Endianess" with "Endianness" everywhere
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* sverk/ets-take-2/OTP-12309:
erts: Optimize ets:lookup and ets:take for bags
Implement ets:take/2
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* sverk/ct-assert:
erts: Add compile time assert ERTS_CT_ASSERT
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* lukas/erts/non-blocking-shell:
erts: Fix big-endian issue with printf_putc
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On little-endian machines, doing &int will give the smallest
byte which is what we want to give to write. But on big-endian
it will give the highest byte, which will always be \000 here
which results in write never doing any writes.
So we have to cast c to an unsigned char before passing it to
write.
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* lukas/erts/cpu_timestamp_linux/OTP-12366:
erts: Allow cpu_timestamp tracing for Linux
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* lukas/erts/non-blocking-shell:
erts: Make sure IOV_MAX is enforced for writev
erts: Make erts_printf work with non-blocking
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* maint:
Use the new 64-bit atomic ops API
Introduce a 64-bit atomic ops API
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The 64-bit atomic ops API is implemented by
* native word size atomic ops on 64-bit architectures, and
* native double word size atomic ops on 32-bit architectures
when available. When native double word size atomic is not
available, the fallback using modification counters is
used.
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=== OTP-17.4 ===
Changed Applications:
- asn1-3.0.3
- common_test-1.9
- compiler-5.0.3
- crypto-3.4.2
- debugger-4.0.2
- dialyzer-2.7.3
- diameter-1.8
- edoc-0.7.16
- eldap-1.1
- erl_docgen-0.3.7
- erl_interface-3.7.20
- erts-6.3
- eunit-2.2.9
- hipe-3.11.2
- inets-5.10.4
- jinterface-1.5.12
- kernel-3.1
- megaco-3.17.3
- mnesia-4.12.4
- observer-2.0.3
- odbc-2.10.22
- otp_mibs-1.0.10
- parsetools-2.0.12
- percept-0.8.10
- runtime_tools-1.8.15
- snmp-5.1.1
- ssh-3.1
- ssl-5.3.8
- stdlib-2.3
- syntax_tools-1.6.17
- test_server-3.7.2
- tools-2.7.1
- wx-1.3.2
Unchanged Applications:
- cosEvent-2.1.15
- cosEventDomain-1.1.14
- cosFileTransfer-1.1.16
- cosNotification-1.1.21
- cosProperty-1.1.17
- cosTime-1.1.14
- cosTransactions-1.2.14
- et-1.5
- gs-1.5.16
- ic-4.3.6
- orber-3.7.1
- os_mon-2.3
- ose-1.0.2
- public_key-0.22.1
- reltool-0.6.6
- sasl-2.4.1
- typer-0.9.8
- webtool-0.8.10
- xmerl-1.3.7
Conflicts:
OTP_VERSION
erts/vsn.mk
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