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by not holding the mseg lock while reading version and option info
which is unnecessary anyway.
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As part of erlang:system_info({allocator,mseg_alloc})
and erl_crash.dump
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for compile time argument checking
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and change from Uint to UWord values
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that could return segments that are too small after being super aligned.
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Must keep mutex to serialize (un)reserve ops.
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by putting red/black color bit in 'parent' pointer
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* Coalescing and trimming of free segments in supercarrier
* Management of super aligned and super unaligned areas in
supercarrier
* Management of reservation of physical memory
* erts_mseg usage of erts_mmap
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Introduce unconditional ERTS_ASSERT
and use that for both ASSERT and ASSERT_EXPR.
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Conflicts:
erts/vsn.mk
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* msassak/empty-pattern-badarg/OTP-11350:
stdlib: extended binary_module_SUITE to assure badarg for OTP-11350
Check all pattern arguments passed to binary:matches/2
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* maint:
Update preloaded
add system_info(ets_limit)
Conflicts:
erts/preloaded/ebin/erlang.beam
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OTP-11362
* sv/system_info_max_ets:
Update preloaded
add system_info(ets_limit)
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rickard/aligned-sys_alloc-carriers_maint/OTP-11318
Conflicts:
erts/emulator/beam/erl_alloc.c
erts/emulator/beam/erl_alloc_util.c
erts/emulator/beam/erl_alloc_util.h
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erts_sys_aligned_alloc() is currently implemented using posix_memalign if
it exist, or using _aligned_malloc on Windows.
If erts_sys_aligned_alloc() exist allocators will create sys_alloc
carriers similar to how this was done pre-R16.
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Buggy old code assumed latin1 atoms.
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Add system_info(ets_limit) to provide a way to retrieve the runtime's
maximum number of ETS tables. Add tests and documentation for it too.
Also repair the alphabetical order of system_info/1 argument descriptions
in the documentation and in the erlang.erl clauses. Add new preloaded
erlang.erl due to that change. Also ensure all system_info/1 clauses are
represented in the erlang.xml source documentation -- a couple had been
inadvertently dropped in previous commits when other clauses were added.
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* lewellyn/nosyslog/OTP-11349:
Define LOG_ERR for systems without syslog.h
Fix syslog defines
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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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Including an empty binary as one of multiple patterns passed to
binary:matches/2 would crash BEAM with: "Cannot reallocate
1342177280 bytes of memory (of type "tmp")". This ensures each pattern
is valid before trying to match.
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