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The old time API is based on erlang:now/0. The major issue with
erlang:now/0 is that it was intended to be used for so many
unrelated things. This tied these unrelated operations together
and unnecessarily caused performance, scalability as well as
accuracy, and precision issues for operations that do not need
to have such issues. The new API spreads different functionality
over multiple functions in order to improve on this.
The new API consists of a number of new BIFs:
- erlang:convert_time_unit/3
- erlang:monotonic_time/0
- erlang:monotonic_time/1
- erlang:system_time/0
- erlang:system_time/1
- erlang:time_offset/0
- erlang:time_offset/1
- erlang:timestamp/0
- erlang:unique_integer/0
- erlang:unique_integer/1
- os:system_time/0
- os:system_time/1
and a number of extensions of existing BIFs:
- erlang:monitor(time_offset, clock_service)
- erlang:system_flag(time_offset, finalize)
- erlang:system_info(os_monotonic_time_source)
- erlang:system_info(time_offset)
- erlang:system_info(time_warp_mode)
- erlang:system_info(time_correction)
- erlang:system_info(start_time)
See the "Time and Time Correction in Erlang" chapter of the
ERTS User's Guide for more information.
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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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* hans/ssh/fix_app_appup:
ssh: Fix syntax error in .appup
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* marcus/revert-ssh-testcase/OTP-12004:
revert ssh testcase
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* dgud/debugger/still-invoked-gs-functions/OTP-12357:
debugger: Do not use the old removed gs functionality
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* hans/ssh/fix_app_appup:
ssh: Fix .app and .appup
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* rickard/appup-files/OTP-12358:
Add .appup file
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* rickard/autoconf/OTP-12348:
Update megaco.appup.src
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dbg_ui_trace module was invoked even though the module had been removed.
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* marcus/revert-ssh-fix/OTP-12004:
Revert "ssh: Corrected ret val from ssh_connection:subsystem/4."
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This reverts commit d086394ebd3595d431835af80709977a6c1c7c89.
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* rickard/check-io-warning-fix/OTP-12352:
Fix function "defined but not used" warning
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* rickard/autoconf/OTP-12348:
Distribute autoconf helpers
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* raimo/netns-opt-gen_udp/OTP-12314:
Text netns option at socket open
Fix handling netns option in gen_udp
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* ia/ssl/appup-fix:
ssl: Correct appup
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Distribute aclocal.m4, install-sh, config.guess, and config.sub
to applications at build time instead of having multiple identical
copies committed in the repository.
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* ia/ssh/prepare-for-release:
ssh: Add soft upgrade for ptty_alloc
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* egil/fix-dialyzer-map-key-coalescing/OTP-12347:
dialyzer: Test recoalesced map keys
compiler: Coalesce map keys in dialyzer mode
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* anders/diameter/17.4_release/OTP-12343:
vsn -> 1.8
Update appup for 17.4
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* siri/ct_netconfc/subsystem-timeout/OTP-12334:
[ct_netconfc] Handle timeout failure in ssh
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* siri/ct_telnet/unstable-tests/OTP-12329:
[ct_telnet] Fix test case 'server_speaks'
[ct_telnet] Improve debug printouts and logging
[ct_telnet] Add timestamp to telnet_server debug printout
[ct_telnet] Extend timeout in test from 1 to 2 sek
[ct_telnet] Don't send extra newline after password
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* hans/ssh/appup:
ssh: Fixes wrong version in appup file
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* lukas/erts/isfinite-fix/OTP-12268:
erts: Fix finite warning for clang
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clang aka llvm claims to be __GNUC__ and thus we have to
explicitly check that it is not used.
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* lukas/erts/bif_info_rebuild/OTP-12344:
Sort keys before generating
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* tuncer/doc-fixes:
dict(3): fix typo reported by Rabbe Fogelholm
Fix minor eprof and fprof doc issues
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* ia/inets/prep-for-release:
inets: Prepare for release
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* ia/ssl/dialyzer/OTP-12341:
ssl: Prepare for release
ssl: Change code to reflect that state data may be secret
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into maint
* raimo/snmp/compiler/allow_refinement_of_opaque/17/OTP-12066:
[snmp/compiler] Refinement of type Opaque was not allowed MIB constructs such as "SYNTAX Opaque (SIZE(0..65535))" was previously not allowed, this has now been fixed. See the standard ALARM-MIB for eaxmple.
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OTP-12196 remote request table leak
OTP-12233 3xxx result code without E-bit
OTP-12281 ignored connect_timer
OTP-12308 filter ordering
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