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Some of the error reasons were not explained.
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The specifications for functions that load code in the 'code'
module (e.g. code:load_file/1) have some problems:
* The specs claim that the functions can return {error,on_load}, but
they never do. However, they can return {error,on_load_failure} if
the -on_load function in a module fails.
* The specs claim that the functions can return {error,native_code},
but they never do.
While we are it, also extend the on_load_errors/1 test case to test
that the load functions return {error,on_load_failure} when an
-on_load function fails.
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The run-time system would terminate if code:load_abs/1 was
called with a filename containing any non-latin1 characters.
The reason is that code_server would attempt to construct a
module name from the filename using list_to_atom/1 and that
atoms currently are limited to the latin1 character set.
But how should the error be reported?
I have decided to that the simplest and least confusing way
is to move the call to list_to_atom/1 to 'code' module and
let it crash the calling process. The resulting stack back
trace will make it clear what the reason for the crash was.
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Conflicts:
OTP_VERSION
erts/doc/src/notes.xml
erts/vsn.mk
lib/kernel/doc/src/notes.xml
lib/kernel/src/kernel.appup.src
lib/kernel/vsn.mk
lib/ssl/doc/src/notes.xml
lib/ssl/src/ssl.appup.src
lib/ssl/src/ssl_cipher.erl
lib/ssl/vsn.mk
otp_versions.table
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* soranoba/fix-file-position/PR-646:
Unify internal error handling
Fix file:pread and :pwrite to use character encoding
Clean up code for file:position/2
Fix file:position (not raw mode)
OTP-13155
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* derek121/doc-grammar-and-typos/OTP-13090:
Fix typos and grammar
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* weiss/case-insensitive-lookups:
inet_res: Make host name lookups case-insensitive
OTP-13083
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Fix mistakes found by 'xmllint'.
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A new {line_delimiter, byte()} option allows line-oriented TCP-based
protocols to use a custom line delimiting character. It is to be
used in conjunction with {packet, line}.
This option also works with erlang:decode_packet/3 when its first argument
is 'line'.
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OTP-13040
* stolen/unified_dist:
kernel: inet6_tcp_dist: reuse inet_tcp_dist code
Conflicts:
lib/kernel/src/inet_tcp_dist.erl
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The include file inet_dns_record_adts.hrl is generated by the
Perl script inet_dns_record_adts.pl in a non-deterministic way.
That is, every time the script is run, the functions will be in
a different order. That will cause inet_dns.beam in the primary
bootstrap to be updated every time the bootstrap is updated,
even though there is no actual code change.
Modify the Perl script to sort the keys pulled out from hashes
to make the order deterministic.
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This partly reverts commit 8152505ea3793037984a7f3349ac95cc20c4e44c.
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Several users on erlang-questions have reported problems with recent
releases where output to standard_error causes standard_error_sup to
die from receiving an unexpected eagain error. In the fd_driver,
change the fd_async() function to handle EINTR, and change
fd_ready_async() to handle ERRNO_BLOCK. Add a new test to
standard_error_SUITE to generate output to standard_error and ensure
that standard_error_sup does not die. Thanks to Kota Uenishi for
contributing the test case.
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* egil/cuddle-tests:
kernel: Remove ?line macros in inet_SUITE:t_gethostbyaddr/1
erts: Tweak statistics_SUITE:scheduler_wall_time/1
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* nybek/fix_so_linger_zero__simple:
Update prim_inet.beam
Fix socket option {linger, {true, 0}} to abort TCP connections
Apply 'show_econnreset' socket option to send errors as well
Add 'show_econnreset' TCP socket option
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* egil/fix-cover-error_logger/OTP-12818:
cover: Unstick modules before loading remote
kernel: Add module name to sticky_dir error message
kernel: Remove ?line macros in error_logger_warn_SUITE
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* nybek/fix_inet_drv_add_multi_timer_logic:
Fix add_multi_timer() in inet_drv
Fix 6 tests in gen_tcp_misc_SUITE
OTP-12817
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* richcarl/avoid-try-native-load:
Update list of funcalls in kernel code_SUITE
Move architecture knowledge out of hipe loader
Avoid repeated calls to system_info in hipe loader
Avoid exception overhead if HiPE is disabled
HiPE help shouldn't modify the calling process
OTP-12816
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Up until now, if {linger, {true, 0}} is set on the socket and there is
data in the port driver queue, the connection is not aborted until
the port queue is empty and close() is called on the underlying file
descriptor. This bug allows an idle TCP client to prevent a server
from terminating the connection and freeing resources. This patch
fixes the problem by discarding the port queue if the socket is closed
when {linger, {true, 0}} is set.
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Up till now all send errors have been translated into a generic
{error, closed}. This patch allows {error, econnreset} to be
returned on send errors when it is detected that the TCP peer
has sent an RST.
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An ECONNRESET is a socket error which tells us that a TCP peer has sent
an RST. The RST indicates that they have aborted the connection and
that the payload we have received should not be considered complete. Up
until now, the implementation of TCP in inet_drv.c has hidden the
receipt of the RST from the user, treating it as though it was just
a FIN terminating the read side of the socket.
There are many cases where user code needs to be able to distinguish
between a socket that was closed normally and one that was aborted.
Setting the option {show_econnreset, true} enables the user to receive
ECONNRESET errors on both active and passive sockets.
A connected socket returned from gen_tcp:accept/1 will inherit the
show_econnreset setting of the listening socket.
By default this option is set to {show_econnreset, false}.
Note that this patch only enables the reporting of ECONNRESET when
the socket is being read from. It does not report ECONNRESET (or
EPIPE) when the user tries to write to a connection when an RST
has already been received. Currently the TCP implementation in
inet_drv.c hides all such send errors from the user in favour
of returning {error, close}. A separate patch will be needed to
enable the reporting of such errors.
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* egil/fix-inet_res:
kernel: Fix inet time conversion
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* bjorn/kernel/cuddle-with-tests:
Clean up rpc_SUITE:call_benchmark/1
Eliminate use of erlang:now/0 for generating random numbers
Eliminate use of erlang:now/0 for measuring time
Eliminate use of erlang:now/0 for generating unique node names
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The call_benchmark/1 test case is supposed to return a comment
about the number of RPC calls per second, but the return value
from the function that produces the comment (do_call_benchmark/4)
is ignored. The test case is essentially useless except as a
smoke test.
Simplify the test case and correct the showing of the number of
RPC calls per second, as well as eliminate the use of erlang:now/0.
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Fix the sorting logic in add_multi_timer() and expand the test case
coverage around this area.
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All of the tests are related to gen_tcp:accept/[1,2] and each of them
has the same problem: they ignore the return value of the
?EXPECT_ACCEPTS macro.
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* egil/cuddle-tests:
erts: Remove remaining ?line macros in trace_meta_SUITE
erts: Relax trace_meta_SUITE:on_and_off_test/1
erts: Remove ?line macro in trace_meta_SUITE:on_and_off_test/1
kernel: Remove remaining ?line macros in gen_tcp_misc_SUITE
kernel: Relax gen_tcp_misc_SUITE don't wait for timeout
kernel: Relax test gen_tcp_misc_SUITE:wrapping_oct/1
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Also, fixup some confusing indentations.
This commit only contains whitespace changes and removal of ?line macros.
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