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2010-06-23Teach Unix sys_float.c to ignore underflow in list_to_float and return 0.0Patrik Nyblom
OTP-7178
2010-06-10fix open_port with many unset env varsSverker Eriksson
The erlang:open_port spawn and spawn_executable directives can include an {env, Env} directive to set up environment variables for the spawned process. Variables can be unset with {"NameOfVariable",false}. A bug in ert/emulator/sys/unix/sys.c could cause unset variables to not be unset. This would typically happen if there where more variables to be unset than there where already set variables in the destination evironment. Fix this problem for unix and add a new regression test for it to the port test suite. Windows does not seem to have the same problem.
2010-06-08Merge branch 'bg/bif-types' into devErlang/OTP
* bg/bif-types: Add type information for erlang:garbage_collect_message_area/0 Add type information for erts_debug:* BIFs Add type information for erlang:port_call/2 Add type information for erlang:display* BIFs Add type information for the BIFs in the binary module Introduce and use the t_endian() helper Add type information for erlang:binary_part/2,3 Add type info for erlang:append/2 and erlang:subtract/2 Add type information for the erlang:adler32* BIFs Add ppc64 return for erlang:system_info(hipe_architecture) Test that all BIFs have known types erl_types: Export is_erl_type/1
2010-06-07Test that all BIFs have known typesBjörn Gustavsson
Add a test that will verify that BIFs have type information in hiper/cerl/erl_bif_types.erl.
2010-06-07Fix erts_bld_string_n (called by enif_make_string and ↵Paul Guyot
erlang:decode_packet/3) to work with 8 bits characters
2010-06-04Merge branch 'egil/call-time-trace-patterns' into devErlang/OTP
* egil/call-time-trace-patterns: Fix ops.tab to include i_return_time_trace Let trace_call_time_SUITE scheduling test be more relaxed Add documentation for call time breakpoints Fix bp_hash_put to do hash value after rehash Extend trace_call_time_SUITE with bif-tests Fix assertion in trace_pattern for bifs Teach erlang:system_info/1 to list snifs Add bif tests to call time trace tests Teach call time trace patterns to include bifs Fix BeamInstr code array in export.h Add trace call_time tests for nifs and bifs Teach call count tracing to use atomics Add first phase of trace call time test suite Add a scheduler array for BpData at BeamInstr[-4] Add search keys in breakpoints and a searchfunction Fix BeamInstr for call_time Teach call_time trace to use intruction pointers Add return_time trace and PSD deletions Remove trailing character in beam_bif_load Fix set_function_break to use correct breakpoint ... OTP-8677 egil/call-time-trace-patterns
2010-06-04Fix scheduler_suspend test when schedulers online isn't equal to the amount ↵Rickard Green
of schedulers
2010-06-03Let trace_call_time_SUITE scheduling test be more relaxedBjörn-Egil Dahlberg
2010-06-03Extend trace_call_time_SUITE with bif-testsBjörn-Egil Dahlberg
2010-06-03Add bif tests to call time trace testsBjörn-Egil Dahlberg
2010-06-03Add trace call_time tests for nifs and bifsBjörn-Egil Dahlberg
2010-06-03Add first phase of trace call time test suiteBjörn-Egil Dahlberg
2010-06-03OTP-8555 Send message from NIFSverker Eriksson
New NIF features: Send messages from a NIF, or from thread created by NIF, to any local process (enif_send) Store terms between NIF calls (enif_alloc_env, enif_make_copy) Create binary terms with user defined memory management (enif_make_resource_binary)
2010-06-03Merge branch 'pan/otp_8579_autoimport_override' into devErlang/OTP
* origin/pan/otp_8579_autoimport_override: Update preloaded modules Update primary bootstrap Remove outcommented code from erl_lint Make port_command/3 auto-imported Remove (harmless) warnings about min/max in core applications Autoimport min/2 and max/2 Improve coverage of erl_int in testcases Change warning to error for nowarn_bif_clash compiler directive Add -compile({no_auto_import,[F/A]}) doc to compiler.xml Add some testcases to compiler to verify that overriding really happens Return nowarn_bif_clash functionality but with warning Teach erl_lint to better override BIFs with local functions and imports Teach compiler to override autoimport with import First prototype for local functions overriding autoimported OTP-8579 Local functions should override auto-imported Local and imported functions now override the autoimported BIFs when the names clash. The pre R14 behaviour was that autoimported BIFs would override local functions. To avoid that old programs change behaviour, the following will generate an error: Doing a call without explicit module name to a local function having a name clashing with the name of an autoimported BIF that was present (and autoimported) before OTP R14A Explicitly importing a function having a name clashing with the name of an autoimported BIF that was present (and autoimported) before OTP R14A Using any form of the old compiler directive nowarn_bif_clash If the BIF was added or autoimported in OTP R14A or later, overriding it with an import or a local function will only result in a warning, To resolve clashes, you can either use the explicit module name erlang to call the BIF, or you can remove the autoimport of that specific BIF by using the new compiler directive -compile({no_auto_import,[F/A]})., which makes all calls to the local or imported function without explicit module name pass without warnings or errors. The change makes it possible to add autoimported BIFs without breaking or silently changing old code in the future. However some current code ingeniously utilizing the old behaviour or the nowarn_bif_clash compiler directive, might need changing to be accepted by the compiler.
2010-06-02Make port_command/3 auto-importedPatrik Nyblom
2010-06-02Autoimport min/2 and max/2Patrik Nyblom
2010-06-02Merge branch 'jv/autoimport-binary_to_term_2' into devErlang/OTP
* jv/autoimport-binary_to_term_2: Change binary_to_term/2 to be auto-imported OTP-8671 jv/autoimport-binary_to_term_2 Now, binary_to_term/2 is auto-imported. This will cause a compile warning if and only if a module has got a local function with that name.
2010-05-27Merge branch 'se/spawn_drv_win_deadlock' into devErlang/OTP
* se/spawn_drv_win_deadlock: Fix deadlock in spawn driver on windows OTP-8641 se/spawn_drv_win_deadlock Windows: Closing port of program that stalled without reading all data could deadlock scheduler thread.
2010-05-24Fix deadlock in spawn driver on windowsSverker Eriksson
A misbehaving port program that does not read all data written to the port may deadlock the scheduler thread when it calls port_close. The chosen solution was to use the new function CancelIoEx if it exist (Vista) otherwise let the spawn driver wait for a short while (10ms) and then to spawn a thread that will wait for the port program to exit.
2010-05-24erl_nif: add make_atom_len, make_existing_atom_len and make_string_lenTuncer Ayaz
Add new NIF API functions - enif_make_atom_len - enif_make_existing_atom_len - enif_make_string_len These are basically the same as enif_make_atom, enif_make_existing_atom and enif_make_string except that the new functions require a length parameter instead of a null-terminated C-string. Signed-off-by: Tuncer Ayaz <[email protected]>
2010-05-24erl_nif: add enif_get_atom_length and enif_get_list_lengthTuncer Ayaz
Add new NIF API functions - enif_get_atom_length - enif_get_list_length Signed-off-by: Tuncer Ayaz <[email protected]>
2010-05-24erl_nif: add enif_is_list and enif_is_tupleTuncer Ayaz
Add new NIF API functions - enif_is_list - enif_is_tuple Signed-off-by: Tuncer Ayaz <[email protected]>
2010-05-24Change binary_to_term/2 to be auto-importedJayson Vantuyl
While binary_to_term/2 was added in R13B04, it wasn't auto-imported. This conformed to longstanding policy of not changing auto-imports between major versions. This patch contains changes to auto-import binary_to_term/2 to coincide with the release of R14.
2010-05-20Merge branch 'pan/otp_8217_binary' into devErlang/OTP
* pan/otp_8217_binary: Add documentation for binary module Add more tests and make some go easier on small systems Correct Boyer More and trapping for longest_common_suffix Add longer timetrap to testcases and add binary to app file Add guard BIFs binary_part/2,3 Add binary:{encode,decode}_unsigned({1,2} Add referenced_byte_size/1 Add binary:list_to_bin/1 and binary:copy/1,2 Add bin_to_list/{1,2,3} Add binary:longest_common_prefix/longest_common_suffix Add binary:part to erl_bif_binary.c Move binary module bif's to erl_bif_binary.c Count reductions for process even when not trapping Add random compare testcase Teach BIF's binary:match/matches interrupting/restarting Teach binary.c the semantics to take longest instead of shortest match Initial commit of the binary EEP OTP-8217 Implement EEP31 The module binary from EEP31 (and EEP9) is implemented.
2010-05-17Correct Boyer More and trapping for longest_common_suffixPatrik Nyblom
Add testcases and clean up to get better code coverage.
2010-05-17Add guard BIFs binary_part/2,3Patrik Nyblom
Add the gc_bif's to the VM. Add infrastructure for gc_bif's (guard bifs that can gc) with two and. three arguments in VM (loader and VM). Add compiler support for gc_bif with three arguments. Add compiler (and interpreter) support for new guard BIFs. Add testcases for new guard BIFs in compiler and emulator.
2010-05-12Merge branch 'bg/opt-receive' into devErlang/OTP
* bg/opt-receive: Test that gen_server:call/2,3 are fast even with a huge message queue erts: Add tests for the receive optimization Update primary bootstrap erts: Implement recv_mark/1 and recv_set/1 for real compiler tests: Cover the error handling code in beam_receive compiler test: Test optimization of receive statements Optimize selective receives in the presence of a large message queue Introduce the new recv_mark/1 and recv_mark/1 instructions Compile tests that communicate with R12 nodes with the r12 option Move p_run/2 to test_lib gen: Inline wait_resp_mon/2 to help the compiler optimize OTP-8623 bg/opt-receive reveive statements that can only read out a newly created reference are now specially optimized so that it will execute in constant time regardless of the number of messages in the receive queue for the process. That optimization will benefit calls to gen_server:call(). (See gen:do_call/4 for an example of a receive statement that will be optimized.)
2010-05-11erts: Add tests for the receive optimizationBjörn Gustavsson
2010-05-11Compile tests that communicate with R12 nodes with the r12 optionBjörn Gustavsson
R12 nodes cannot load code that use the optimized receive that we are about to implement.
2010-05-05OTP-8581 Revert prototype of driver_asyncPatrik Nyblom
2010-05-03allow open_port to set env vars containing a trailing '=' characterSteve Vinoski
The erlang:open_port spawn and spawn_executable directives can include an {env, Env} directive to set up environment variables for the spawned process. A bug in ert/emulator/sys/unix/sys.c prevented applications from using {env, Env} to set an environment variable whose value ended with a '=' (equal sign) character; the code mistook the trailing equal sign as an indication that an environment variable was to be cleared from the environment of the spawned process. For example, passing an {env, Env} of {env, [{"foo", "bar="}]} would result in the code in sys.c seeing a string of the form "foo=bar=" The code would see the final '=' character and assume the directive wanted to clear a variable named "foo=bar" from the environment of the spawned process, rather than seeing it as a directive to set the environment variable "foo" to the value "bar=". Fix this problem and add a new regression test for it to the port test suite.
2010-04-30emulator tests: Remove stray OSE/Delta supportBjörn Gustavsson
2010-04-28OTP-8474 NIF improvements after R13B04Sverker Eriksson
New NIF API function enif_make_new_binary
2010-04-13Merge branch 'bg/fconv' into devErlang/OTP
* bg/fconv: erts: Fix loading of modules with invalid floating point arithmetic
2010-04-07erts: Fix loading of modules with invalid floating point arithmeticBjörn Gustavsson
The following program is supposed to cause an exception at run-time: foo() -> Sum1 = Sum2 = N = 2, pSum - (Sum1*(Sum2/N)). but the loader fails to load because it contains the following instruction: fconv {atom,pSum} {fr,2} Fix the loader so that it can handle fconv instructions where the first operand is a non-numeric literal. Reported-by: Torbjörn Törnkvist
2010-03-30Merge branch 'se/decode_packet' into devErlang/OTP
* se/decode_packet: Fix erlang:decode_packet(httph_bin,..) to not return faulty header strings OTP-8548 se/decode_packet erlang:decode_packet(httph_bin,..) could return corrupt header strings or even crash the VM. This has been fixed. It only happened on 32-bit VM if the header name was unknown and between 16 and 20 characters long. Sockets with simular packet option did not suffer from this bug.
2010-03-29Fix erlang:decode_packet(httph_bin,..) to not return faulty header stringsSverker Eriksson
Unrecognized Http header names was sometimes returned as corrupt sub-binaries pointing to a stack allocated buffer. This only happened on 32-bit VM if the header name was between 16 and 20 characters long. It could in some cases lead to segmentation fault. The solution was to avoid creating sub-binary if the returned string was not part of the original binary.
2010-03-25Merge branch 'bg/compiler-remove-r11-support' into devErlang/OTP
* bg/compiler-remove-r11-support: compiler: Don't support the no_binaries option erts: Don't support the put_string/3 instruction compiler: Don't support the no_constant_pool option compiler: Don't support the r11 option test_server: Don't support communication with R11 nodes binary_SUITE: Don't test bit-level binary roundtrips with R11 nodes erts: Test compatibility of funs with R12 instead of R11 OTP-8531 bg/compiler-remove-r11-support
2010-03-22binary_SUITE: Don't test bit-level binary roundtrips with R11 nodesBjörn Gustavsson
2010-03-22erts: Test compatibility of funs with R12 instead of R11Björn Gustavsson
2010-03-22Merge branch 'pan/otp_8332_halfword' into devErlang/OTP
* pan/otp_8332_halfword: Teach testcase in driver_suite the new prototype for driver_async wx: Correct usage of driver callbacks from wx thread Adopt the new (R13B04) Nif functionality to the halfword codebase Support monitoring and demonitoring from driver threads Fix further test-suite problems Correct the VM to work for more test suites Teach {wordsize,internal|external} to system_info/1 Make tracing and distribution work Turn on instruction packing in the loader and virtual machine Add the BeamInstr data type for loaded BEAM code Fix the BEAM dissambler for the half-word emulator Store pointers to heap data in 32-bit words Add a custom mmap wrapper to force heaps into the lower address range Fit all heap data into the 32-bit address range
2010-03-12Teach testcase in driver_suite the new prototype for driver_asyncPatrik Nyblom
The testcase core dunmped. Also made sure the key could actually store long integers in driver_async (which is more of a cosmetic change).
2010-03-10Correct the VM to work for more test suitesPatrik Nyblom
The following test suites now work: send_term_SUITE trace_nif_SUITE binary_SUITE match_spec_SUITE node_container_SUITE beam_literals_SUITE Also add a testcases for system_info({wordsize,internal|external}).
2010-03-10Teach {wordsize,internal|external} to system_info/1Patrik Nyblom
Some test suites need to differentiate between 32-bit terms and 32-bit pointers. While at it, remove some more warnings in process.c for SMP and debug.
2010-03-10OTP-8475 status lock needed when looking up ioq from async threadsRickard Green
Driver threads, such as async threads, using <seealso marker="erl_driver#ErlDrvPDL">port data locks</seealso> peeked at the port status field without proper locking when looking up the driver queue.
2010-03-10OTP-8487 unregister/1 on a port can cause the non-smp runtime to crashRickard Green
A call to the BIF unregister(RegName) when a port had the name RegName registered in the runtime system without SMP support caused a runtime system crash. (Thanks to Per Hedeland for the bugfix and test case.)
2010-02-11OTP-8335 Even more NIF featuresSverker Eriksson
2010-01-22OTP-8386 Immediately repeated multi-scheduling block/unblock cycles usingRickard Green
erlang:system_flag(multi_scheduling, block | unblock) could deadlock the runtime system.
2010-01-18Fix annoying failing statistics_SUITE test casesBjörn Gustavsson
In an SMP emulator, two of the test cases in statistics_SUITE frequently fail. Remove the runtime_zero_update/1 test case, because you can't really expect an SMP emulator not to spend any CPU time at all even if no Erlang process is active. Adjust the runtime_update/1 test case to not fail if the measured times are note close enough. It will still fail if statistics(runtime) would fail or return the wrong type.
2010-01-15Merge branch 'egil/binary-gc' into ccase/r13b04_devErlang/OTP
* egil/binary-gc: Add documentation for binary heap size settings. Add tracing capabilities for binary virtual heap Add min heap size start options to beam and erl Improve binary garbage collection OTP-8370 The default settings for garbage collection of binaries has been adjusted to be less aggressive than in R13B03. It is now also possible configure the settings for binary GC. See the documentation for spawn_opt/2-5, erlang:system_info/1, erlang:system_flag/2, process_flag/2-3, erlang:trace/3, and the documenation for erl for the new command line options +hms and +hmbs.
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