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* sverk/change-map-subtag:
erts: Adjust is_external_header() for new map tag
Change the subtag used for maps from 0xB to 0xF
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* lukas/ose/master-17.0/OTP-11334:
erts: Move debug printout to eliminate gcc warning
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to not mistake a map for an external term (pid, port or ref).
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* lukas/ose/master-17.0/OTP-11334:
ose: Fix erts assert failed printouts
ose: fix for packet_bytes in fd/spawn driver.
ose: Prepare slave for running on OSE
ose: Fix bug when hunting for signal proxy
ose: Implement tcp inet driver for OSE
ose: Add ifdefs for HAVE_UDP
ose: Yielding has to be done differently for background processes.
ose: Print faults in aio sys driver calls
ose: Prinout errno when to_erl read fails
ose: erlang display goes to ramlog printf
ose: Initiate stdin/stdout/stderr
ose: Break lmconf into one per load module
ose: Reset busy port when pdq empty
ose: Restore the owner of the signal
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The subtag chosen for maps breaks crucial assumptions in other parts of
the system, in particular the native code generation scheme used in the
HiPE compiler. Therefore it is better to use 'the other' unused subtag.
The main change here is the use of 0xF subtag for maps instead of 0xB.
The rest of the differences are changes to and additions of comments.
One more comment from my part.
I noticed that the file contains the following two lines:
The comment of the second line is most certainly a copy and paste error
and should be appropriately fixed by the OTP developers. More importantly,
it would be great if that subtag (0x7) turned out to be unused and could
be used for maps instead of the 0xF one. This might turn out very handy
in the future. I can elaborate on this, if needed.
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Sometimes the wrong signal, i.e. a read reply, would be
received from this non-selective receive.
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The inet driver for OSE has to handle signals instead of selects
and thus the wrappers for ready_input/output are a little bit
different. However the majority of the inet code remains the same.
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Needed to get std io to work in some OSE systems where stdio
is not opened when the program starts.
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* sverk/maps_remove_bug:
erts: Fix heap overflow in maps:remove/2 when key is not found
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* sverk/win-warning-io:
erts: Fix compile warning in io.c for windows
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* paulgray/dtrace_snprintf_fix/OTP-11816:
Fix DTrace/SystemTap-related formatting
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Thanks to Michał Ptaszek for bringing this embarrassing formatting error to
my attention. Many DTrace/SystemTap trace strings are incorrectly
truncated at 4/8 bytes, depending on the CPU word size. This patch expands
the work from commit d032e097 by zheng siyao.
Michał's report to the erlang-bugs list can be found at:
http://erlang.org/pipermail/erlang-bugs/2014-March/004250.html
Conflicts:
erts/emulator/beam/beam_emu.c
erts/emulator/beam/copy.c
erts/emulator/beam/dist.c
erts/emulator/beam/erl_async.c
erts/emulator/beam/erl_bif_port.c
erts/emulator/beam/erl_port_task.c
erts/emulator/beam/erl_process.c
erts/emulator/beam/io.c
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* paulgray/dtrace_snprintf_fix/OTP-11816:
Pass full strings to DTrace probes
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* bjorn/erts/zlib-fix:
zlib: Fix adler32_combine/4 and crc32_combine/4
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* sverk/win-long-filenames/OTP-11813:
erts: Cleanup debug tracing in win_efile.c
erts: Fix file:list_dir for windows paths 258 or 259 chars long
erts: Increase MAXPATHLEN to 4096 for windows
erts: Fix bug in efile_readlink for long win paths
kernel: Fix failed tests in prim_file_SUITE for windows
erts: Fix compiler warning in win_efile.c
erts: Skip tests of paths longer than 255 characters as atoms
erts: Skip tests of file:set_cwd for too long path on Windows
erts: Make file:make_symlink/2 return {error,eperm} on Windows
erts: Revert file:set_cwd impl for windows
erts: Ignore reduntant slashes in windows paths
fix file_SUITE:cur_dir_0 for long windows paths
erts: Fix file_SUITE:make_del_dir for long paths
erts: Fix long windows paths for compressed files
erts: Use GetFullPathNameW to construct abs paths from relative ones
erts: Fix file driver to handle long paths on windows
Conflicts:
erts/emulator/drivers/win32/win_efile.c
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Appending wildcard "\*" made the path too long (>= 260 chars).
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and some improved debug tracing
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if the user has not the privilege SE_CREATE_SYMBOLIC_LINK_NAME
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As any scheduler process can consume any message we have
to make sure that the message is owned by the scheduler
before returning it in erl_drv_ose_get_signal.
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* nox/reedr-closefrom:
Use closefrom(2) when available in child_setup
Conflicts:
erts/emulator/sys/unix/erl_child_setup.c
OTP-11809
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* fogfish/embedded-arm-android:
Raspberry PI / Android a minimal cross-compile configuration
OTP-11805
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One key-value pair too many was copied.
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* yiannist/hipe-llvm-backend:
Support the LLVM backend in HiPE
Implement the LLVM backend
Extend RTL API to support the LLVM backend
Add support for llvm unique symbols in hipe_gensym
Add a BIF that only returns the atom ok
Move some common code in hipe_pack_constants
Add better specs in hipe_pack_constants and cleanup
OTP-11801
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Since our config.h is included in each source file in the zlib
directory, we must make sure that config.h is also included
every time zlib functions are called to ensure that definitions
of types are consistent.
zlib_drv.c did not include config.h, which caused problems on
a MacOS X Leopard system. What happened was that HAVE_UNISTD_H
was not defined when zlib.h was included. When unistd.h is not
known to exist, the type z_off_t will be set to a long (32 bits
on this platform). But when the zlib source files were compiled,
HAVE_UNISTD_H was defined, unistd.h would be included, and
z_off_t would be set to off_t (64 bits; defined in unistd.h).
As a result of the mismatch, calls to the adler32_combine() and
crc32_combine() would pass only 32 bits in the len2 argument when
64 bits were expected.
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Enable a cross compile Erlang/OTP platform to Android or Raspberry PI
using Android NDK. Port emulator and core application to support target
HW platform. Exclude any add-on services required for OTP platform deployment
into target hardware due to device fragmentation and jail-break requirements.
* fix erts/emulator/beam/sys.h
Disable redefinition of __noreturn macro
* port erts/emulator/sys/unix/erl_child_setup.c
Use techniques proposed by https://code.google.com/p/erlang4android to
access system properties
* fix erts/emulator/sys/unix/erl_unix_sys_ddll.c
The static linking of emulator cannot find dlerror(), dlopen() symbols
* port erts/emulator/sys/unix/sys.c
make path to shell configurable at build time
* port erts/etc/common/Makefile.in
disable librt for *-linux-androideabi
* port erts/lib_src/pthread/ethread.c
Use techniques proposed by https://code.google.com/p/erlang4android to
disable emulator crash if kernel threads are on. Replace unreliable
pthread_sigmask() by sigprocmask()
* port lib/erl_interface/src/connect/ei_connect.c
Disable call to undefined gethostid()
* port lib/erl_interface/src/connect/ei_resolve.c
Use gethostbyname_r() on Android platform
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* vinoski/ds-enif-send:
enable enif_send to work from a dirty scheduler
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* bjorn/erts/fix-lingering-tracer:
Teach the call_time trace to notice when the trace dies (non-SMP system)
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The call_time trace is a special kind of tracing that requires
a tracer process just like ordinary call trace, but it never
actually sends anything to the tracer. It merely use the existence
of a trace process (and call trace flags) as an indication that
call_time tracing is active for the process.
If the tracer dies in a non-SMP run-time system, processes with
call_time tracing would not notice that the tracer had
died. Furthermore, if the set_on_spawn flag was active, the dead
tracer could be propagaged to newly spawned processes.
Before accumulating trace information in a non-SMP system, always
validate the tracer process. (In an SMP system, a reference to a
dead tracer will be cleared away each time a process is scheduled.)
While we could put all of the new code beam_bp.c, we have chosen to
make a function call from beam_bp.c to a function in erl_trace.c for
clarity's sake and to ease further maintenance. In the future, we
might want to handle tracing in more similar ways in the SMP and
non-SMP system.
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* cobusc/correct_comment:
Fix comment that differs from code
OTP-11793
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* egil/maps-literals:
compiler: Transform M#{} to is_map(M)
dialyzer: Do not native compile modules with Maps code
hipe: Properly identify map() type form terms
stdlib: Test Map key linting
stdlib: Accept records as Map keys
stdlib: Accept Maps as Map keys
stdlib: Move map type to proper definition
stdlib: Properly lint map key expressions
compiler: Change #c_map{var} to #c_map{arg}
compiler: Constant fold Maps that are safe
compiler: Validate Map src
compiler: Support literal maps in cerl_clauses:match/2
compiler: Guard BIF is_map/1 is pure
erts: Handle literals in is_map/1
compiler: Change Maps Core Format
compiler: Create literal Maps in creation if possible
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* lukas/erts/make_deps_fixes/OTP-11784:
erts: Fix resolve of generated files for depend
erts: Move compiler flags generation
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* sverk/maps-erl_interface:
erts: Add distribution capability flag for maps DFLAG_MAP_TAG
erts: Change external format for maps
erts: Document external format for maps (MAP_EXT)
erl_interface: Add test for ei_skip_term of container terms
erl_interface: Add map support in ei_skip_term
erl_interface: Fix mem leak in ei_decode_encode_test
erl_interface: test decode/encode of maps
erl_interface: Add ei encode/decode for maps
erl_interface: test decode_encode of tuples and lists
erl_interface: refactor ei_decode_encode_test.c
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This is just a preparation to allow detection of older nodes
that do not understand maps (R16 and older).
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to be: 116,Arity, K1,V1,K2,V2,...,Kn,Vn
instead of: 116,Arity, K1,K2,...,Kn, V1,V2,....,Vn
We think this will be better for future internal map structures
like HAMT. Would be bad if we need to iterate twice over HAMT
in term_to_binary, one for keys and one for values.
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* sverk/valgrind-leaks:
erts: Suppress false leak in hipe_thread_signal_init
erts: Fix leak in nif_SUITE:resource_takeover (again)
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No need to even try as CWD can not bee a long path anyway.
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