This change moves RUBY_EVENT_COVERAGE from include/ruby/ruby.h to
vm_core.h and renames it to RUBY_EVENT_COVERAGE_BRANCH.
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Now this function only deals with branch events, so this change renames
it and remove complexity that is no longer needed.
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This change makes coverage use the general event type RUBY_EVENT_LINE
instead of a special event type RUBY_EVENT_COVERAGE.
Just a refactoring.
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This change makes each ISeq keep NODE's code range. This information is
needed for method coverage.
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Traditionally, method coverage measurement was implemented by inserting
`trace2` instruction to the head of method iseq. So, it just measured
methods defined by `def` keyword.
This commit drastically changes the measuring mechanism of method
coverage; at `RUBY_EVENT_CALL`, it keeps a hash from rb_method_entry_t*
to runs (i.e., it counts the runs per method entry), and at
`Coverage.result`, it creates the result hash by enumerating all
`rb_method_entry_t*` objects (by `ObjectSpace.each_object`).
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* thread.c (rb_default_coverage): Update documents of internal
data structures for branch coverage.
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* vm_core.h (rb_thread_t): remove rb_thread_t::event_hooks.
* vm_trace.c: all hooks are connected to vm->event_hooks and
add rb_event_hook_t::filter::th to filter invoke thread.
It will simplify invoking hooks code.
* thread.c (thread_start_func_2): clear thread specific trace_func.
* test/ruby/test_settracefunc.rb: add a test for Thread#add_trace_func.
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Under uncertain condition, `rb_thread_terminate_all` gets stuck. `make
test-all TESTOPTS="test/ruby/test_gc.rb -n test_interrupt_in_finalizer`
fails very rarely (only once every thousand runs). This IS a bug, but
seems difficult to fix it soon.
This commit makes `rb_thread_terminate_all` wake up every one second,
instead of waiting forever, which mitigates the unuseful freeze.
This is not an essential solution for the bug, though. I'll create a
ticket with how to reproduce the original issue.
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* vm_core.h (rb_execution_context_t): renmae ec::fiber to
ec::fiber_ptr make consistent with ec::thread_ptr.
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* eval_error.c (rb_threadptr_error_print): renamed to
rb_ec_error_print() and it accepts `ec`.
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to represent execution context [Feature #14038]
* vm_core.h (rb_thread_t): rb_thread_t::ec is now a pointer.
There are many code using `th` to represent execution context
(such as cfp, VM stack and so on). To access `ec`, they need to
use `th->ec->...` (adding one indirection) so that we need to
replace them by passing `ec` instead of `th`.
* vm_core.h (GET_EC()): introduced to access current ec. Also
remove `ruby_current_thread` global variable.
* cont.c (rb_context_t): introduce rb_context_t::thread_ptr instead of
rb_context_t::thread_value.
* cont.c (ec_set_vm_stack): added to update vm_stack explicitly.
* cont.c (ec_switch): added to switch ec explicitly.
* cont.c (rb_fiber_close): added to terminate fibers explicitly.
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* array.c (rb_to_array_type): make public to share common code
internally.
* hash.c (rb_to_hash_type): make public to share common code
internally.
* symbol.c (rb_to_symbol_type): make public to share common code
internally.
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Because NaCl and PNaCl are already sunset status.
see https://bugs.chromium.org/p/chromium/issues/detail?id=239656#c160
configure.ac: Patch for this file was provided by @nobu.
[Feature #14041][ruby-core:83497][fix GH-1726]
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* thread.c (thread_start_func_2): report then abort on exception,
if both are set. [ruby-core:79280] [Bug #13163]
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* thread.c (reset_coverage_i): Clear an
array for method coverage just like
line coverage and branch coverage.
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This is needed for passing to the hook function the measuring target
type (line/branch/method) and the site of coverage event fired.
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To prepare new measuring targets: branch and method coverages.
So far, iseq->coverage was an array of counts executed for line coverage.
Now, it is a three-element array for each measuring target,
whose first element is an array for line coverage.
The second element is planned for branch coverage, and the third will be
for method coverage.
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* vm_core.h: Ruby processes run with two stacks, a machine stack and a
VM stack. To make it clear, this fix renames
rb_execution_context_t::stack(_size) to vm_stack(_size).
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* thread.c: "Thread#to_s" is not defined without any reason. So this fix
define "Thread#to_s" which returns a string with some thread information.
Also this fix makes alias "inspect" which refers "to_s". This manner is
same as other objects.
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* cont.c: r55766 change the handling method of Fiber's VM stack.
Resumed Fiber points NULL as VM stack and running Thread has
responsibility to manage it (marking and releasing).
However, thread_start_func_2()@thread.c and thread_free()@vm.c
doesn't free the VM stack if corresponding root Fiber is exist.
This causes memory leak. [Bug #13772]
* cont.c (root_fiber_alloc): fib->cont.saved_thread.ec.stack should be NULL
because running thread has responsibility to manage this stack.
* vm.c (rb_thread_recycle_stack_release): assert given stack is not NULL
(callers should care it).
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* vm_core.h (rb_thread_ptr): added to replace GetThreadPtr() macro.
* thread.c (in some functions: use "target_th" instead of "th" to make clear
that it is not a current thread.
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* vm_core.h (rb_thread_t): move several fields which are copied at cont.c
to rb_execution_context_t.
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* thread.c (exec_recursive): rb_catch_protect() uses `int*` as
well as rb_protect.
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Return value of EXEC_TAG() is saved by "int state".
Instead of "int", use "enum ruby_tag_type". First EXEC_TAG()
value should be 0, so that define TAG_NONE (= 0) and use it.
Some code used "status" instead of "state". To make them clear,
rename them to state.
We can change variable name from "state" to "tag_state", but this
ticket doesn't contain it.
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* thread.c (rb_blocking_region_buffer): remove oldubf because ubf should be
NULL just before ubf setting.
* thread.c (set_unblock_function, reset_unblock_function): rename to
unblock_function_set() and unblock_function_clear() respectively.
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* thread.c (rbuy_kill): removed. This function is used
with SIGSEGV, SIGBUS, SIGKILL, SIGILL, SIGFPE and SIGSTOP
and these signals are affect immediately. So that `kill(2)'
is enough for them.
* signal.c (rb_f_kill): ditto.
* vm_core.h (rb_thread_t::interrupt_cond): removed because
only `ruby_kill()' uses this field.
* test/ruby/test_signal.rb: Without this patch sending SIGSTOP to own
process wait another interrupt even if another process sends SIGCONT.
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Without this hack, pthread_join() in rb_thread_stop_timer_thread()
segfaults.
ProductName: Mac OS X
ProductVersion: 10.11.6
BuildVersion: 15G1510
valgrind-3.12.0
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We no longer use it this function, but extensions do, and
we need to ensure it continues to work for them.
* thread.c (rb_thread_fd_close): schedule other threads in loop
* ext/-test-/thread_fd_close/thread_fd_close.c: new file
* ext/-test-/thread_fd_close/depend: ditto
* ext/-test-/thread_fd_close/extconf.rb: ditto
* test/-ext-/thread_fd_close/test_thread_fd_close.rb: new test
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