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Add the {active,N} socket option, where N is an integer in the range
-32768..32767, to allow a caller to specify the number of data messages to
be delivered to the controlling process. Once the socket's delivered
message count either reaches 0 or is explicitly set to 0 with
inet:setopts/2 or by including {active,0} as an option when the socket is
created, the socket transitions to passive ({active, false}) mode and the
socket's controlling process receives a message to inform it of the
transition. TCP sockets receive {tcp_passive,Socket}, UDP sockets receive
{udp_passive,Socket} and SCTP sockets receive {sctp_passive,Socket}.
The socket's delivered message counter defaults to 0, but it can be set
using {active,N} via any gen_tcp, gen_udp, or gen_sctp function that takes
socket options as arguments, or via inet:setopts/2. New N values are added
to the socket's current counter value, and negative numbers can be used to
reduce the counter value. Specifying a number that would cause the socket's
counter value to go above 32767 causes an einval error. If a negative
number is specified such that the counter value would become negative, the
socket's counter value is set to 0 and the socket transitions to passive
mode. If the counter value is already 0 and inet:setopts(Socket,
[{active,0}]) is specified, the counter value remains at 0 but the
appropriate passive mode transition message is generated for the socket.
This commit contains a modified preloaded prim_inet.beam due to changes in
prim_inet.erl.
Add tests for {active,N} mode for TCP, UDP, and SCTP sockets.
Add documentation for {active,N} mode for inet, gen_tcp, gen_udp, and
gen_sctp.
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Conflicts:
erts/preloaded/ebin/erlang.beam
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When integer_to_binary/2 receives 0 or a negative number as an argument
with a base that is different from 10, it will return incorrect values
(<<>> in the case of 0) or it will crash (with negative numbers). This
commit fixes these problems and adds tests to cover these cases.
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Conflicts:
erts/preloaded/ebin/prim_inet.beam
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* raimo/linux-network-namespace-sockopt/OTP-11157:
Document socket option 'netns'
Rudimentary test
Make netns option value a string
Implement netns for SCTP + bugfixes
Implement netns option for TCP and UDP
Implement emulator netns support for TCP and UDP
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Conflicts:
erts/preloaded/ebin/zlib.beam
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Terms of this type are returned and sometimes sit in states.
Exporting it allows us to properly track the types there.
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Conflicts:
erts/preloaded/ebin/prim_inet.beam
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* maint:
erts: Update spec in preloaded to reflect success typing (again)
Conflicts:
erts/preloaded/ebin/erlang.beam
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* maint:
erts: Update spec in preloaded to reflect sucess typing
Conflicts:
erts/preloaded/ebin/erlang.beam
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* lukas/erts/gc_stat_contention/OTP-10271:
erts: Update spec in preloaded to reflect sucess typing
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* pan/r16b01/system_monitor_long_schedule/OTP-11067:
Minor spelling correction
Add system_monitor of long_schedule
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* siri/install-otp-in-unicode-path:
[sasl] Remove priv dir after release_handler_SUITE
Update preloaded init.beam
Allow unicode characters for boot and config in init:make_permanent
[sasl] Clean priv_dir after systools_SUITE
[reltool] Use unicode characters in work dir for unicode test
[sasl] Use unicode characters in priv dir name also on windows
[reltool] Write erl.ini as UTF-8
[sasl] Update tests to run under unicode path
[sasl] Rewrite release_handler_SUITE:clean_priv_dir to work on unicode paths
[sasl] Update example/target_system.erl to handle unicode
[sasl] Write erl.ini as utf8, allowing unicode path for root dir and bin dir
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* maint:
erts: Document the +M<S>acul command line argument
erts: Carrier pool information in allocator information
erts: Use carrier pool for migration of carriers
erts: Implement test case for carrier pool
erts: Implement carrier pool
erts: Fix type errors in info functions
erts: Use Uint64 for call counts
erts: Fix failing testcase alloc_SUITE:rbtree
erts: Rename allocator aoffcbf to aoffcaobf
erts: Remove unnecessary flag arguments in allocators
erts: Remove SBMBC allocator
erts: Add test for add_mbc and remove_mbc callbacks
erts: Fix deallocation in removed carrier
erts: Change naive list to rb-tree of carriers in AOFF allocator
erts: Prepare aoff allocator for carrier migration
erts: Make carrier header sizes customizable
erts: Add "bestfit within carrier" for aoff allocator (aoffcbf)
Conflicts:
erts/preloaded/ebin/erlang.beam
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* rickard-sverker/carrier-migration/OTP-10279:
erts: Document the +M<S>acul command line argument
erts: Carrier pool information in allocator information
erts: Use carrier pool for migration of carriers
erts: Implement test case for carrier pool
erts: Implement carrier pool
erts: Fix type errors in info functions
erts: Use Uint64 for call counts
erts: Fix failing testcase alloc_SUITE:rbtree
erts: Rename allocator aoffcbf to aoffcaobf
erts: Remove unnecessary flag arguments in allocators
erts: Remove SBMBC allocator
erts: Add test for add_mbc and remove_mbc callbacks
erts: Fix deallocation in removed carrier
erts: Change naive list to rb-tree of carriers in AOFF allocator
erts: Prepare aoff allocator for carrier migration
erts: Make carrier header sizes customizable
erts: Add "bestfit within carrier" for aoff allocator (aoffcbf)
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That is, include information about carrier pool in result returned from
erlang:system_info({allocator,allocator_sizes, _}).
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* nox/erl_eval-receive/OTP-11137:
Updated primary bootstrap for erl_eval
Added preloaded prim_eval
Fix receive support in erl_eval with a BEAM module
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* maint:
Replace gc stat lock with sched spec data
Conflicts:
erts/preloaded/ebin/erlang.beam
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* lukas/erts/gc_stat_contention/OTP-10271:
Replace gc stat lock with sched spec data
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When release_handler makes a release permanent, it calls
init:make_permanent/2 in order to set the path to the config and boot
file. The paths are coverterd to binaries, and this commit changes
this conversion from using lists_to_binary/1 to using
unicode:characters_to_binary/3 with the encoding set according to the
file name encoding mode (+fnu/fna/fnl).
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Using the low-level BEAM instructions, we can loop over each message in
the process queue and removes the first message that matches, without
receiving them all to later send them back to itself.
The function prim_eval:'receive'/2 is equivalent to the
following pseudo-code:
'receive'(F, T) ->
RESET MESSAGE QUEUE POINTER,
LOOP:
case PEEK CURRENT MESSAGE WITH TIMEOUT T of
{ok,Msg} ->
case F(Msg) of
nomatch ->
DECREMENT TIMEOUT T,
ADVANCE MESSAGE QUEUE POINTER,
GOTO LOOP;
Result ->
RESET MESSAGE QUEUE POINTER,
Result
end;
timeout ->
RESET MESSAGE QUEUE POINTER,
timeout
end.
To not break Dialyzer and other tools, we use a stub Erlang module which
abstract code is forcefully inserted into prim_inet.erl afterwards
compilation.
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Conflicts:
erts/preloaded/ebin/prim_inet.beam
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* maint:
Only verify not busy for erlang:send(Port, Msg, [nosuspend]) until scheduled
Make high_msgq_watermark and low_msgq_watermark generic inet options
Do not treat port_set_data/port_get_data as signals
Add 'frmptr' emulator type
Conflicts:
erts/preloaded/ebin/erlang.beam
erts/preloaded/ebin/erts_internal.beam
erts/preloaded/ebin/prim_inet.beam
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* rickard/frmptr:
Add 'frmptr' emulator type
Conflicts:
erts/preloaded/ebin/erlang.beam
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* rickard/inet_opts/OTP-11075:
Make high_msgq_watermark and low_msgq_watermark generic inet options
Conflicts:
erts/preloaded/ebin/prim_inet.beam
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* rickard/inet_db/OTP-11074:
Do not treat port_set_data/port_get_data as signals
Conflicts:
erts/preloaded/ebin/erlang.beam
erts/preloaded/ebin/erts_internal.beam
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