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* maint:
erts: Refactor non-pure macros to functions
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* lukas/erts/efile_undef_behaviour/OTP-11246:
erts: Refactor non-pure macros to functions
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* pan/update_pcre_8.33:
Workaround TR gnu/181328, GCC 4.2.1 20070831 on FreeBSD 9.1
Clarify relation between erts_iolist_{size|to_buf}
Fix backslash in titles of manpages
Correct UTF-8 in stdlib's notes.xml
Add more tests for corner error cases in erl_bif_re.c
Add documentation of report_errors and match_limit(_recursion)
Add match_limit and match_limit_recursion options
Add return_errors option to re:run/3
Add README for updating PCRE
Add documentation of extensions to re module
Add new options to Erlang re interface and mend dupnames
Update PCRE doc part of re.xml to PCRE 8.33 state
Integrate new PCRE test suites
Integrate patch for PCRE bug id 1370
Handle CRLF correctly in global regexp
Add erts_prefix to pcre_library and update erl_bif_re
Update to PCRE 8.33, w/o the erts_ prefix added
OTP-11204
OTP-11205
OTP-10285
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The bug manifests so that initialization of an automatic variable
happens after a pointer to the variable is dereferenced, causing
build_exec_return to take the wrong branch by default.
The bug is verified to happen even outside the VM and
is reported to FreeBSD as trouble ID gnu/181328.
The workaround is a slight code rewrite which is optimized differently.
Also removed two warnings about dereferencing type-punned
pointers, which did not affect the bug.
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This is needed as some gcc versions seems to optimize this undefined
behaviour in a way which breaks this code.
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* maint:
erts: Do not enable TRACE_SILENT when testing a ms
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* lukas/erts/match_spec_test_silent/OTP-11232:
erts: Do not enable TRACE_SILENT when testing a ms
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* sverk/ptab-race:
erts: Fix race in ptab that can cause PID mix-ups
OTP-11225
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Just some clarifying comments to future progremmers to keep the relation
between error returns from the two functions.
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Added to re:run and sets the corresponding fields in 'extra' struct
for the PCRE match engine. The result can be viewed by also
setting 'report_errors' when matching.
Some housekeeping was also done...
The offset option also did not properly check for offset's >= 0.
Change nomatch to BADARG when pre-compiled mp() is faked:
By constructing a 5-tuple with faked content but the right data types,
you could do a re:run which returned nomatch when in fact the mp() was
bad. The cheapest solution is to check the return from pcre_exec
better.
Remove unreachable code in erts_bif_re.c:
Replaced tests for things that logically simply
cannot happen with ASSERT.
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Add notempty_atstart, no_start_optimize, ucp and
never_utf options from new PCRE version.
Use the new notempty_atstart in global matching.
Add inspect/2 function
Correctly handle dupnames when capturing a name, as
in Perl, get the leftmost matching occurence.
Also added all_names, to get all the names in the pattern
in alphabetical (name) order.
To be able to use this in global matching, an inspect
function that can dig out a namelist was added.
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* olgeni/erl_driver-man-fixes/OTP-11227:
Misc. corrections for erl_driver(3)
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* maint:
etp: Do not use name as beam.smp is the name on Linux
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* lukas/erts/etp-thr/OTPO-11220:
etp: Do not use name as beam.smp is the name on Linux
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* maint:
erts: Create gdb pything script for thread listing
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* lukas/erts/etp-thr/OTPO-11220:
erts: Create gdb pything script for thread listing
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* maint:
Add smoke tests
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* lukas/smoketests/OTP-11221:
Add smoke tests
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* maint:
Bailout if no native implementations are found
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* lukas/erts/ethr_smp_req_native_compiletime/OTP-11196:
Bailout if no native implementations are found
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Since: R16B01
Symptom: A spawned process may get the same PID as an existing
process. The new process will "steal" the PID and make the old process
unreachable through the PID.
The problem also applies to port identities but has only been seen
for processes.
Conditions: SMP emulator with at least two scheduler threads. Rapid
spawning and termination of a large number of processes. A small
number of free slots in the process table will also increase the risk
for this bug.
Workaround: Use command line options "+P legacy" and "+Q legacy"
Cause: The race happens if a process terminates and gets stalled while
releasing its process table slot. The stall has to be so long (due to OS
preemptive scheduling most probably) for other schedluer threads to
consume all other free slots for newly spawn processes.
Fix: Write invalid-markers in the free-pid-table and do atomic exhange
operations in retry-loops to make sure each thread gets a unique PID.
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- Remove trailing whitespaces
- Spelling fixes
- Replace "deferred" with "deprecated" where applicable
- Remove reference to non-existing "async_ready" entry point
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* weisslj/fix-gcc40-arm-compile-error/OTP-11214:
Fix compile error on ARM and GCC < 4.1.0
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Smoke tests are meant to verify that a build of erlang has been successfull.
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Bug reported by Jose Valim on the erlang-bugs mailing list:
erlang:halt(0,[]) does not flush as advertised in the documentation.
Should be the same as erlang:halt(0,[{flush,true}]), but is in fact
the same as erlang:halt(0,[{flush,false}]).
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* weisslj/run-erl-redirect-dev-null/OTP-11215:
run_erl: Redirect standard streams to /dev/null
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Some basic tests are already done in configure. This makes sure we
cover all cases by bailing out when compiling as well.
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* sze/to_erl/OTP-11206:
Fix changing terminal parameters in to_erl
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One of our devices does not like 'to_erl' to be run over a serial port.
When to_erl is started, we see "Attaching to /tm<0xFF>" being printed
and the device then refuses to accept any input. Occasionally, we have
seen a linux kernel error message "serial8250: too much work for irq16"
simultaneously. After some debugging we found out that cause is a call
to tcsetattr() by to_erl, immediately preceeded by some printf().
The UART in our device doesn't like hardware parameters to be changed
while output is concurrently active. In fact, the GNU libc manual also
mentions that it might be dangerous to change UART hardware parameters
when a transmission is ongoing.
The patch attached to this e-mail changes the behaviour of to_erl to use
TCSADRAIN instead of TCSANOW when changing terminal parameters. This
makes the serial driver wait for the output queues to be empty before
applying the terminal parameter change.
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Since b29ecbd (OTP-10418, R15B03) Erlang does not compile anymore with
old versions of GCC that do not have atomic ops builtins on platforms
where there is no native ethread implementation (e.g. ARM):
In file included from ../include/internal/gcc/ethread.h:29,
from ../include/internal/ethread.h:354,
from beam/erl_threads.h:264,
from beam/erl_smp.h:27,
from beam/sys.h:413,
from hipe/hipe_mkliterals.c:29:
../include/internal/gcc/ethr_membar.h:49:4: error: #error "No __sync_val_compare_and_swap"
This patch adds a header guard in "gcc/ethread.h", as is present in
"libatomic_ops/ethread.h".
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