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* pan/cerl-gdb-emacs/OTP-8882:
Incorporate Michael Santos patch for cerl and gdb via emacs
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* rickard/halfword-bug:
Fix newly introduced halfword emulator bugs
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Conflicts:
erts/vsn.mk
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Michael Santos supplied a very nice patch that did set the annotation level
correctly for gdb when run from cerl in emacs.
The patch adds --annotate=3 to the gdb command line, which makes emacs
parse the gdb output correctly, making the right source code be loaded in
the emacs buffer.
While integrating it, I removed my faulty code trying to do the same with hacky
elisp commands. Michaels way is the right way to do it.
Thanks!
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* rt/solaris-pty-handling-fixes:
Add corrected support for Solaris PTYs to run_erl
Fix a typo that leads to syntax errors with DEBUG defined in run_erl
OTP-8878
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* mp/fix-hipe-write:
fix 64-bit writes to 32-bit struct field in HiPE runtime
OTP-8877
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Make sure that an update to erts/emulator/tools/make_tables will
force all generated files to be re-generated.
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It seems to work (at least on a little-endian architecture)
by sheer luck.
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In the HiPE part of the runtime system's Process struct
there is a state field which is 32 bits wide even on 64-bit
machines.
There is a single instruction in the HiPE AMD64 runtime
where this field is incorrectly written with a 64-bit store.
Luckily the extraneous 32 bits are written as zeros to 4
bytes of tail-padding at the end of the struct, so nothing
should have broken because of this.
The same bug exists in the HiPE PowerPC64 runtime (in
development), but on the big-endian PPC64 the effect is
to write the actual value to the tail-padding and zero
to the struct field, which potentially breaks TRAPs from
BIFs (depending on BIF arities and how many parameter
registers the runtime has been configured to use).
Thanks to Paul Guyot for noticing the oversized write on AMD64.
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Two related but slightly separate issues: run_erl doesn't support Solaris's
/dev/ptmx device and run_erl didn't load the necessary STREAMS modules so that
to_erl can provide terminal echo of keyboard input. This patch adds ifdef'd
support for Solaris and derivatives to open /dev/ptmx directly since adding
the C99 defines to CFLAGS breaks all kinds of other things in the build. It
also adds ifdef'd ioctl calls to load the necessary STREAMS modules to permit
termios to work.
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While attempting to debug odd terminal echo issues on Solaris, I noticed that
run_erl.c will fail to compile due to a typo causing a syntax error.
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In a70159b33f20a26b2674d7cf777617c5f0261a5c, the _VOID_ macro
was eliminated, but one use of it inside an "#ifdef DEBUG"
was forgotten.
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Remove cleartool invocation and adapt docs to reflect git transition.
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* pan/epmd-vulnerabilities/OTP-8780:
Teach testcases to survive TIME_WAIT overload
Update erl_interface doc and testsuite for epmd changes
Restore null termination of input buffer
Teach testcase epmd_SUITE:too_large to accept econnaborted
Teach epmd_cli.c to not respond 'Killed' when killing denied
Calculate minimal packet size for ALIVE2 requests correctly
Document epmd and it's options properly and fixup help text
Fix anomalies in epmd not yet reported as security issues
Remove two buffer overflow vulnerabilities in EPMD
Remove all support for ancient EPMD protocol
Remove very old protocol from EPMD
Conflicts:
lib/erl_interface/src/epmd/epmd_port.c
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* rickard/timer-wheel/OTP-8835:
Use mutex instead of rwlock
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* pan/binary-bif-valgrind-leak/OTP-8823:
Teach erl_bif_binary not leak memory by doing malloc(0)
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Use mutex instead of rwlock since the read lock is more or less
unused and it can be quite contended.
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* bjorn/http-packet-error/OTP-8831:
Make gen_tcp:recv/2 consistent with ssl:recv/2
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* sv/ethread-atomic-mips:
add MIPS architecture to GCC ethread atomics support
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* rickard/rwmtx-spin/OTP-8819:
Fix deadlock in reader optimized rwlock implementation
Remove unused variables
Increase spincount with many schedulers
Re-enable spin wait on ethreads rwlocks
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When the HTTP packet mode has been enabled for a socket,
the ssl and gen_tcp modules have different error indications
when there is an error while parsing the HTTP header:
ssl:recv(SSLSocket, 0) -> {ok, {http_error, _Str}}
gen_tcp:recv(Socket, 0) -> {error, {http_error, _Str}}
We have decided to change gen_tcp:recv/2 to behave the same
way as ssl:recv/2. That means that there will be always be
an ok tuple if data could be succefully read from the socket,
and an error tuple if there was a read error at the socket level.
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A bug causing a deadlock in the reader optimized rwlock
implementation has been fixed. This bug appeared in
commit 59ee2a593090e7d53c97ceba63cbd300d1b9657e, i.e.,
it has not been seen in any released versions.
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Spin wait on most ethread rwlocks used by the runtime system was
unintentionally disabled during development. Spin wait has now been enabled
again. This bug appeared in commit 59ee2a593090e7d53c97ceba63cbd300d1b9657e,
i.e., it has not been seen in any released versions.
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* cg/docs-fixes:
Linkify applications listed under "See Also"
Fix minor typos in the documentation
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Gcc for MIPS supports immediate atomic gets and sets, and also
supports a working __sync_synchronize() for gcc 4.2 and greater.
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semanticts -> semantics
where -> were
ddl -> dll
NIF's -> NIFs
OS-dependant -> OS-dependent
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* pg/fix-hipe-crash-in-gc_after_bif:
Fix call to erts_gc_after_bif_call in hipe glue
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* mk/net-dragonfly-bsd-patches:
Remove unused variables
Use proper install method
Add support for DragonFly BSD
Add support for NetBSD
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* ms/inet-bug-fixes:
inet: support retrieving MAC address on BSD
inet: fix getservbyname buffer overflow
inet: fix ifr_name buffer overflow
inet: null terminate ifr_name buffer
OTP-8816
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R12B-0 changed the signature of erts_gc_after_bif_call and it now
takes 4 parameters instead of 2 in R11B-5. Yet, the glue code was not
updated accordingly. As a result, the function erts_gc_after_bif_call
was called with garbage and would randomly cause a crash later in the
garbage collector code.
The fix consists in passing NULL and 0 for the third and fourth
parameters, since there is no term to add to rootset, recovering the
behaviour of R11B-5
(see otp_src_R11B-5/erts/emulator/beam/erl_gc.c, line 314).
(Includes assembly language fixes and code style improvements
suggested by Mikael Pettersson.)
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Also made the SEEALSO link at the bottom of erl_nif.xml more "erlangish".
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The make_term_n function in nif_SUITE.c created resources that never
got released, creating valgrind memcheck Definitely Lost warnings.
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The scheduler wakeup threshold is now possible to adjust at system boot.
For more information see the `+swt' command line argument of `erl'.
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Lower the scheduler wakeup threshold since schedulers aren't spuriously
woken as before (since commit 59ee2a593090e7d53c97ceba63cbd300d1b9657e).
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On systems supporting getaddrinfo(), support looking up the MAC
address from inet:ifget/2. The results have the same quirks as with
Linux: if the MAC address is longer than 6 bytes (e.g., fw0 under
Mac OS X), the address is truncated; if the interface does not have
a MAC address (e.g., lo0), an address consisting of 0's is returned.
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Added erlang:system_info(build_type) which makes it
easier to chose drivers, NIF libraries, etc based
on build type of the runtime system.
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