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* sverk/allctr-4byte-align-bug:
erts: Fix alignment bug in allocator start code
OTP-11496
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Found by valgrind. Probably safe on opt-VM due to CHICKEN_PAD.
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Valgrind complained that erts_cmp_bits sometimes read one byte too much
from bitstrings. The byte was never used and the invalid read is safe
in opt-VM due to padding in binary allocation (CHICKED_PAD).
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Conflicts:
erts/preloaded/ebin/prim_inet.beam
lib/kernel/test/gen_sctp_SUITE.erl
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* raimo/sctp-peernames/OTP-10229:
Improve documentation
Suppress false valgrind warnings caused by sctp_getpaddrs
Document
Adjust test cases for SLES 10 SP 1
Clean up address family handling towards Erlang
Fix testcase indentation
Fix testcases for FreeBSD 9.1
Write testcases for inet:socknames and inet:peernames
Implement inet:socknames/1,2 and inet:peernames/1,2
Implement prim_inet:socknames/1,2 and prim_inet:peernames/1,2
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Also fix testcase that failed due to main carrier creation failure.
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* maint:
Ensure carrier pool only accessed by schedulers
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* rickard/acul-bug/OTP-11456:
Ensure carrier pool only accessed by schedulers
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* maint:
Fix observer retrieval of alloc info
Fix documentation of the +MMsco switch
Replace the +MMscmgc switch with +MMscrfsd
Add switch for disabling sys_alloc carriers
Add support for locking mappings to physical memory
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* rickard/supercarrier-fix/OTP-11149:
Fix observer retrieval of alloc info
Fix documentation of the +MMsco switch
Replace the +MMscmgc switch with +MMscrfsd
Add switch for disabling sys_alloc carriers
Add support for locking mappings to physical memory
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Made them powers of 2 for faster calculations.
500 encoded terms per reductions seemed a bit much, lowered to 32.
TERM_TO_BINARY_SIZE_FACTOR was not used in practice as it was only
applied to small binaries.
Lowered from 500kb to 256kb compressed bytes per trap call.
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or if "too much" offheap binaries has been built
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as an attempt to improve performance
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Bug never released.
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* sverk/hash_SUITE-bit_level_binaries:
erts: Fix test case hash_SUITE:bit_level_binaries
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* maint:
Fix truncated pointers in erl_crash.dump
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* bjorn/erts/fix-erl_crash_dump/OTP-11450:
Fix truncated pointers in erl_crash.dump
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Commontest doesn't like exported functions with same name as test case.
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* egil/preloaded-debug_info:
preloaded: Add debug_info to preloaded
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* egil/clarify-erts-doc:
erts: Clarify documentation for erlang:statistics(run_queue)
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by doing repeated calls with different reduction count.
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after it has built off_heap data
and then done at least one trap call.
The undo mechanism in dec_term does not work
if we build the magic binary after any other off_heap data.
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to not expose the trapping BIF in the stacktrace
when it throws badarg.
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Being able to disable garbage collection over context
switches vastly simplifies implementation of yielding
native code that builds large or complex data structures
on the heap. This since the heap can be left in an
inconsistent state over the context switch.
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A process requesting a system task to be executed in the context of
another process will be notified by a message when the task has
executed. This message will be on the form:
{RequestType, RequestId, Pid, Result}.
A process requesting a system task to be executed can set priority
on the system task. The requester typically set the same priority
on the task as its own process priority, and by this avoiding
priority inversion. A request for execution of a system task is
made by calling the statically linked in NIF
erts_internal:request_system_task(Pid, Prio, Request). This is an
undocumented ERTS internal function that should remain so. It
should *only* be called from BIF implementations.
Currently defined system tasks are:
* garbage_collect
* check_process_code
Further system tasks can and will be implemented in the future.
The erlang:garbage_collect/[1,2] and erlang:check_process_code/[2,3]
BIFs are now implemented using system tasks. Both the
'garbage_collect' and the 'check_process_code' operations perform
or may perform garbage_collections. By doing these via the
system task functionality all garbage collect operations in the
system will be performed solely in the context of the process
being garbage collected. This makes it possible to later implement
functionality for disabling garbage collection of a process over
context switches.
Newly introduced BIFs:
* erlang:garbage_collect/2 - The new second argument is an option
list. Introduced option:
* {async, RequestId} - making it possible for users to issue
asynchronous garbage collect requests.
* erlang:check_process_code/3 - The new third argument is an
option list. Introduced options:
* {async, RequestId} - making it possible for users to issue
asynchronous check process code requests.
* {allow_gc, boolean()} - making it possible to issue requests
that aren't allowed to garbage collect (operation will abort
if gc should be needed).
These options have been introduced as a preparation for
parallelization of check_process_code operations when the
code_server is about to purge a module.
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<<131, 77, Len:32, Bits:8, Data/binary>>
badarg if Bits > 8
Used to return internally inconsistent bitstring
badarg if Len==0 and Bits > 0
Used to return invalid *huge* binary (size = (Uint)-1)
badarg if Bits==0 and Len > 0
Used to return valid binary as if Bits was 8
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Conflicts:
erts/preloaded/ebin/erl_prim_loader.beam
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* siri/erl_prim_loader/normalize-and-backslash/OTP-11170:
Update preloaded
Fix bug with backslash in erl_prim_loader:normalize/1
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Conflicts:
bootstrap/lib/kernel/ebin/os.beam
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