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Conflicts:
erts/aclocal.m4
erts/emulator/beam/erl_db.c
erts/emulator/sys/win32/sys.c
erts/include/internal/ethread_header_config.h.in
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* sverker/stub-module-code-leakage:
Prevent valgrind warning for erts_alloc_permanent_cache_aligned
[erts] Fix memory leak in erts_make_stub_module (hipe loading)
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* lukas/fix_erts_testcases/OTP-9596:
Skip create_big_boot on platforms without crypto
Remove test_server path instead of cwd for clash test
Skip getaddr_v6 test if on the ipv4_only host
Use static port for old solaris versions
Extend time to wait for zone files to be loaded
Allow out of memory exception for max_port checks
Extend slave start timeout for windows tests
Double timeout to make sure debug builds pass
Use now instead of os:timestamp
Increase timeout in scheduler_suspend for slow platforms
Skip update_cpu_info if 'taskset' cannot be found
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This is done in order to improve timing when testing
debug builds, especially ppc debug builds.
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Code area allocation was done twice; first in read_code_header()
and then in erts_make_stub_module() itself.
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* raimo/sctp-getsetopts-dev/OTP-9544:
erts,kernel: Bugfix - read SCTP socket options from right protocol layer
erts: Fix bug SCTP send can only be called from controlling process
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bad_dist_ext_connection_id/1 used the same names for the slave
nodes as bad_dist_ext_receive/1, which would cause it to fail if
bad_dist_ext_receive/1 failed.
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Add an end_per_testcase/2 function to ensure that the process with
the name 'busy_drv_server' has been killed before the next test
case attempts to register a process with the same name.
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* rickard/aux-work-bug/OTP-9567:
Fix lost wakeup of scheduler when enqueuing auxiliary work
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When auxiliary work was enqueued on a scheduler, the wakeup of
the scheduler in order to handle this work could be lost. Wakeups
in order to handle ordinary work were not effected by this bug.
The bug only effected runtime systems with SMP support as follows:
* Deallocation of some ETS data structures could be delayed.
* On Linux systems not using the NPTL thread library (typically
ancient systems with kernel versions prior to 2.6) and Windows
systems, the {Port, {exit_status, Status}} message from a
terminating port program could be delayed. That is, it only
effected port programs which had been started by passing
exit_status as an option to open_port/2.
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* bjorn/erts/support-macosx-lion/OTP-9547:
Fix build problems on MacOS 10.7 (Lion)
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On MacOS 10.7 (Lion) with Xcode 4.1 installed, the default
C compiler is llvm-gcc-4.2. That compiler compiles beam_emu.c
incorrectly, resulting in an emulator that will not start.
The problem can be worked around by turning off all optimizations,
but that will significantly degrade the performance of the run-time
system. The problem can also be worked around manually like this:
CC=gcc-4.2 ./configure
To allow a working system to be built "out of the box", have
the configure script set up the emulator Makefile so that gcc-4.2
will be used to compile beam_emu.c if the default compiler is
llvm-based. All other C files will still be compiled with the
default compiler.
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* cr/cppcheck:
Changes inspired by running cppcheck(1)
OTP-9557
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* ta/docs-fixes:
Fix misspelling of intermediate
Fix typos in erts/preloaded/src
Fix more misspellings of compatibility
Fix misspelling of kept
Fix misspelling of compatibility in ssl_basic_SUITE
Fix misspelling of compatibility
Fix misspelling of accommodate
Fix misspelling of exceed
Fix misspelling of accidentally
Fix misspelling of erroneous in xmerl_xsd
Fix misspelling of erroneous
Fix misspelling of successful
Fix typos in instrument(3)
Fix typos in dbg(3)
dialyzer: fix a small typo in list_to_bitstring test
Fix typos in cover.erl
Fix typos (variable name) in erl_nif(3)
Fix typos in mod_esi(3)
Fix trivial typos in erlang(3)
OTP-9555
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raimo/sctp-getsetopts-dev/OTP-9544
Conflicts:
erts/emulator/drivers/common/inet_drv.c
lib/kernel/test/gen_sctp_SUITE.erl
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Socket options 'sndbuf', 'recbuf' and 'linger were read from
the SCTP protocol layer instead of from the socket protocol layer.
Conflicts:
lib/kernel/test/gen_sctp_SUITE.erl
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* rickard/glibc-mutex-destroy-bug/OTP-9373:
Do not abort emulator when buggy pthread impl return EBUSY
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Conflicts:
lib/kernel/test/gen_sctp_SUITE.erl
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* pan/erl-bif-types/OTP-9496:
Cleanup ETS bif's in hipe:erl_bif_types.erl (for dialyzer)
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* pan/win_erlsrv_stop/OTP-9344:
Move init of smp rw mutex from init to sys_args to make sure that it is initialized before the first erts_sys_getenv call
Move erts_sys_env_init() to erts_sys_pre_init()
Remove _DEBUG from start_erl.c
Spelling correction in erlsrv doc
Convert windows start_erl to take rootdir on command line
Add command start_disabled to erlsrv
Add global lock for erlsrv to avoid races
Change start order so that service_event gets initialized before it's used
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* pan/win_symbolic_link_fixes/OTP-9279:
Add error code for cyclic symbolic links and make directory links readable
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* In rare cases we could have no run_queue in schedule misc ops
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* fm/enif_compare-64-to-32bits-cast:
Fix enif_compare on 64bits machines
OTP-9533
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In 64bits machines the Sint type has a size of 8 bytes,
while on 32bits machines it has a 4 bytes size.
enif_compare was ignoring this and therefore returning
incorrect values when the result of the CMP function
(which returns a Sint value) doesn't fit in 4 bytes.
For example, passing the operands -1294536544000 and
-1178704800000 to enif_compare would trigger the bug.
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This BIF's second parameter is a list of options.
Currently the only allowed option is {minor_version, Version}
where version is either 0 (default) or 1.
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Add erlang:check_old_code/1 to quickly check whether a module
has old code. If there is no old code, there is no need to call
erlang:check_process_code/2 for all processes, which will save
some time if there are many processes.
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There is no need to suspend the process if the module has no old
code. Measurements show that this change will make
erlang:check_process_code/2 in an SMP emulator about four times
faster if the module has no old code.
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* rc/r14-gc-fix:
fix 64-bit issues in the garbage collection
OTP-9488
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Use a union for pointer type conversion to avoid compiler warnings
about strict-aliasing violations with gcc-4.1. gcc >= 4.2 does not
emit the warning.
TODO: Reconsider use of union once gcc-4.1 is obsolete?
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We discovered that if a single Erlang process tried to grow above 32
GB (i.e., more 64-bit words than can be counted by a 32-bit number),
the VM failed to find the next larger heap size, even though there
were plenty more heap sizes left to pick from and even though we had a
lot more memory available on the machine. (Obviously, this is only
applicable on 64-bit Erlang.)
It turned out to be due to some 'int' variables in the heap resizing
parts of erl_gc.c not being properly updated to 'Uint' or 'Sint'. Once
that was fixed, I got segfaults instead as soon as the heap got larger
than 2^32 words, due to even more 'int' declarations in the same file,
but now in the GC code.
After fixing this as well, I successfully ran an Erlang node in which
a single Erlang process had a heap so large that I'm not at liberty to
divulge the exact size, but I think the scientific term is
"humongous", and I'm confident that there are no further immediate
problems with very very large individual process heaps.
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* ms/inet-socket-domain-error:
inet: error if fd does not match socket domain
OTP-9455
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* pg/fix-hibernate-scheduling-with-hipe:
Fix bug related to hibernate and HiPE (clear F_HIBERNATE_SCHED flag)
OTP-9452
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Constructing binaries using the bit syntax with literals sizes
that would not fit in an Uint will either cause an emulator crash
or the loading to be aborted.
Use the new TAG_o tag introduced in the previous commit to make sure
that the attempt to create huge binary literals will generate a
system_limit exception at run-time.
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The handling of large values for other tags than TAG_i (integer) is
buggy. Any tag value equal to or greater than 2^40 (5 bytes) will
abort loading. Tag values fitting in 5 bytes will be truncated to 4
bytes values.
Those bugs cause real problems because the bs_init2/6 and
bs_init_bits/6 instructions unfortunately use TAG_u to encode literal
sizes (using TAG_i would have been a better choice, but it is too late
to change that now). Any binary size that cannot fit in an Uint
should cause a system_limit exception at run-time, but instead the
buggy handling will either cause an emulator crash (for values in the
range 2^32 to 2^40-1) or abort loading.
In this commit, implement overflow checking of tag values as a
preparation for fixing the binary construction instructions. If any
tag value cannot fit in an Uint (except for TAG_i), change the
tag to the special TAG_o overflow tag.
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We want to make sure that a tag/type name is not defined more than
once and that we don't define too many primitive tags. Primitive
tags must be named with lowercase letters (or they will be confused
with variable names in transformations in the ops.tab file).
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Attempting to construct <<0:((1 bsl 32)-1)>>, the largest bitstring
allowed in a 32 bit emulator, would cause an emulator crash because
of integer overflow.
Fix the problem by using an Uint64 to avoid integer overflow.
Do not attempt to handle construction of <<0:((1 bsl 64)-1>> in
a 64-bit emulator, because that will certainly cause the emulator
to terminate anyway because of insufficient memory.
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