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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@66975 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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cont.c: set th->root_fiber to current fiber at fork
Otherwise, th->root_fiber can point to an invalid Fiber,
because Fibers do not live across fork. So consider
whatever Fiber is running the root fiber.
[ruby-core:88723] [Bug #15041]
cont.c (rb_fiber_atfork): th->root_fiber may not exist
Otherwise, bootstraptest/test_fork.rb fails with -DVM_CHECK_MODE=2
[Bug #15041]
Fixes: r64589 "cont.c: set th->root_fiber to current fiber at fork"
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@66968 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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thread.c (do_select): fix leak on exception
When do_select is interrupted and raise happens from
RUBY_VM_CHECK_INTS_BLOCKING, the original FD sets we copied
do not get freed, leading to a memory leak. Wrap up all the
FD sets into a Ruby object to ensure the GC can release an
allocations made for rb_fdset_t.
This leak existed since Ruby 2.0.0 (r36430)
[Bug #14929]
increase timeout seconds.
* test/ruby/test_io.rb (test_select_leak): increase timeout seconds
to pass this test on a high-load machine.
60 sec is not enough at all
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@64561 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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thread.c: deadlock in backtrace
* thread.c (unblock_function_set): check interrupts just once
during raising exceptions, as they are deferred since r16651.
[ruby-core:85939] [Bug #14577]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@62917 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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thread.c: report then abort
* thread.c (thread_start_func_2): report then abort on exception,
if both are set. [ruby-core:79280] [Bug #13163]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@62711 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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release VM stack properly.
* 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).
fix stack storing for root fibers.
* cont.c (root_fiber_alloc): this function is called by fiber_current()
and fiber_store(). fiber_current() should clear VM stack information
in a fiber data because runnning thread knows stack information and has
responsibility to manage it. However fiber_store() requires to remain
VM stack information in a fiber data because the responsibility to manage
VM stack is moved to the Fiber from the Thread (and switch to another
fiber).
* cont.c (root_fiber_alloc): save thread's fiber and root_fiber information.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@59516 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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thread.c: avoid busy looping on rb_thread_fd_close
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
* properties.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@59295 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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vm_core.h: ruby_error_stream_closed
* vm_core.h (ruby_special_exceptions): renamed
ruby_error_closed_stream as ruby_error_stream_closed, like the
message.
speed up IO#close with many threads
Today, it increases IO#close performance with many threads:
Execution time (sec)
name trunk after
vm_thread_close 4.276 3.018
Speedup ratio: compare with the result of `trunk' (greater is better)
name after
vm_thread_close 1.417
This speedup comes because rb_notify_fd_close only scans threads
inside rb_thread_io_blocking_region, not all threads in the VM.
In the future, this type data structure may allow us to notify
waiters of multiple FDs on a single thread (when using
Fibers).
* thread.c (struct waiting_fd): declare
(rb_thread_io_blocking_region): use on-stack list waiter
(rb_notify_fd_close): walk vm->waiting_fds instead
(call_without_gvl): remove old field setting
(th_init): ditto
* vm_core.h (typedef struct rb_vm_struct): add waiting_fds list
* (typedef struct rb_thread_struct): remove waiting_fd field
(rb_vm_living_threads_init): initialize waiting_fds list
I am now kicking myself for not thinking about this 3 years ago
when I introduced ccan/list in [Feature #9632] to optimize this
same function :<
IO#close: do not enqueue redundant interrupts (take #2)
Enqueuing multiple errors for one event causes spurious errors
down the line, as reported by Nikolay Vashchenko in
https://bugs.ruby-lang.org/issues/13632
This should fix bad interactions with test_race_gets_and_close
in test/ruby/test_io.rb since we ensure rb_notify_fd_close
continues returning the busy flag after enqueuing the interrupt.
Backporting changes to 2.4 and earlier releases will be more
challenging...
* thread.c (rb_notify_fd_close): do not enqueue multiple interrupts
[ruby-core:81581] [Bug #13632]
* test/ruby/test_io.rb (test_single_exception_on_close):
new test based on script from Nikolay
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@59286 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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thread.c: thread_do_start
* thread.c (thread_do_start): extract from a macro in
thread_start_func_2 for debugger.
thread.c: Thread.start with Symbol
* thread.c (thread_do_start): fix segfault at start with Symbol.
proc created by Symbol#to_proc does not have environment unless
using refinements. [ruby-core:80147] [Bug #13313]
Fiber also has same issue. [Bug #13313]
* thread.c (rb_vm_proc_local_ep): added.
* cont.c (rb_fiber_start): use rb_vm_proc_local_ep().
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@58003 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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thread.c: rb_thread_fd_close [ci skip]
* thread.c (rb_thread_fd_close): re-define only for abi-check,
abort if called. [ruby-core:80078] [Bug #13304]
thread.c: rb_thread_fd_close [ci skip]
* thread.c (rb_thread_fd_close): remove deprecated. a couple of
external libraries used it. [ruby-core:80078] [Bug #13304]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57959 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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check thread deadness correctly.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57906 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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use TRUE/FALSE.
define rb_thread_sleep_deadly_allow_spurious_wakeup().
* thread.c, thread_sync.c: define new function
rb_thread_sleep_deadly_allow_spurious_wakeup() and use it instead of
using sleep_forever() directly.
allow Queue operation in trap.
* thread_sync.c: allow spurious wakeup to check Queue status just after trap.
[Bug #12405]
* test/thread/test_queue.rb: add a test for it.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57879 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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io.c: close before wait
* io.c (io_close_fptr): notify then close, and wait for other
threads before free fptr. [ruby-core:79262] [Bug #13158]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57872 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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io.c: fix race between read and close
* io.c (io_fillbuf): fix race between read and close, in the case
the IO gets closed before the reading thread achieve the lock.
[ruby-core:78845] [Bug #13076]
thread.c: fix race between read and close
* thread.c (rb_thread_fd_close): wait until all threads using the
fd finish the operation, not to free the buffer in use.
[ruby-core:78845] [Bug #13076]
revert a part of r57199
* io.c (io_fillbuf): revert a part of r57199 because it broke IO#getch.
see also [Bug #13076]
io.c: fix race between read and close
* io.c (io_fillbuf): fix race between read and close and bail out
in the case the IO gets closed before the reading thread achieve
the lock. [ruby-core:78845] [Bug #13076]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57838 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Do not check for the value of rb_iseq_constant_body::line_info_table as
it is no longer related. The checks seem to be the remains from the day
before the dedicated 'first_lineno' field was introduced. Remove them.
Note, rb_iseq_constant_body::line_info_table can be NULL only when the
iseq does not contain any instructions that originate from Ruby code,
for example, an iseq created with 'proc {}' under a non-default compile
options where trace instructions are disabled.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57118 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Use volatile instead of optnone to avoid optimization which causes
segmentation faults.
Patch by Dimitry Andric. [ruby-core:78531] [Bug #13014]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57020 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (rb_thread_s_abort_exc, rb_thread_s_abort_exc_set):
[DOC] the raised exception will be re-raised in the main thread,
and then follows the ordinary exception sequence, exit status is
not 0. [ruby-core:78415] [Bug #12991]
* thread.c (rb_thread_abort_exc_set): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56928 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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add TracePoint#callee_id. [ruby-core:77241] [Feature #12747]
* cont.c, eval.c, gc.c, include/ruby/intern.h, insns.def, thread.c,
vm.c, vm_backtrace.c, vm_core.h, vm_eval.c, vm_insnhelper.c, vm_trace.c: ditto.
* test/ruby/test_settracefunc.rb: tests for above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56593 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (update_coverage): check coverage values, and ignore
non-fixnum values.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56354 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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actually check its availability rather to check GCC's version.
* configure.in (WARN_UNUSED_RESULT): moved to here.
* configure.in (RUBY_FUNC_ATTRIBUTE): change function declaration
to return int rather than void, because it makes no sense for a
warn_unused_result attributed function to return void.
Funny thing however is that it also makes no sense for noreturn
attributed function to return int. So there is a fundamental
conflict between them. While I tested this, I confirmed both
GCC 6 and Clang 3.8 prefers int over void to correctly detect
necessary attributes under this setup. Maybe subject to change
in future.
* internal.h (UNINITIALIZED_VAR): renamed to MAYBE_UNUSED, then
moved to configure.in for the same reason we move
WARN_UNUSED_RESULT.
* configure.in (MAYBE_UNUSED): moved to here.
* internal.h (__has_attribute): deleted, because it has no use now.
* string.c (rb_str_enumerate_lines): refactor macro rename.
* string.c (rb_str_enumerate_bytes): ditto.
* string.c (rb_str_enumerate_chars): ditto.
* string.c (rb_str_enumerate_codepoints): ditto.
* thread.c (do_select): ditto.
* vm_backtrace.c (rb_debug_inspector_open): ditto.
* vsnprintf.c (BSD_vfprintf): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56169 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (rb_threadptr_raise): set cause from the called thread,
but not from the thread to be interrupted.
[ruby-core:77222] [Bug #12741]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56125 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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[Bug #12628]
This patch introduce many changes.
* Introduce concept of "Block Handler (BH)" to represent
passed blocks.
* move rb_control_frame_t::flag to ep[0] (as a special local
variable). This flags represents not only frame type, but also
env flags such as escaped.
* rename `rb_block_t` to `struct rb_block`.
* Make Proc, Binding and RubyVM::Env objects wb-protected.
Check [Bug #12628] for more details.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55766 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55619 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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before calling ppoll(2). [Bug #12575] [ruby-dev:49725]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55613 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (debug_deadlock_check): fix format specifier for
thread_id, which may not be a pointer, nor even a scalar value.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55419 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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backtrace [Feature #8214] [ruby-dev:47217]
* thread.c (thread_status_name): show "sleep_forever" instead of
"sleep" if called from inspect.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55397 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (thread_start_func_2): report raised exception if
report_on_exception flag is set. [Feature #6647]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55290 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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the list must be a objhash, instead of a identhash.
this fixes many test errors on mswin64 CI.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55063 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (rb_thread_atfork_internal): move th to an argument.
* thread.c (rb_thread_atfork): do not repeat GET_THREAD().
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54961 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (rb_thread_atfork, rb_thread_atfork_before_exec): do
nothing unless working fork is available.
* thread_sync.c (rb_mutex_abandon_all): define only if working
fork is available.
* thread_sync.c (rb_mutex_abandon_keeping_mutexes): ditto.
* thread_sync.c (rb_mutex_abandon_locking_mutex): ditto.
* thread_win32.c (gvl_init): never used.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54960 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54943 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* vm_eval.c (rb_eval_cmd, rb_catch_obj): use TH_JUMP_TAG with the
same rb_thread_t used for TH_PUSH_TAG, instead of JUMP_TAG with
the current thread global variable.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54914 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (rb_thread_setname): defer setting native thread name
set in initialize until the native thread is created.
[ruby-core:74963] [Bug #12290]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54600 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (get_initialized_threadptr): extract ensuring that the
thread is initialized.
* thread.c (rb_thread_setname): thread must be initialized to set
the name. [ruby-core:74963] [Bug #12290]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54598 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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It was returning old file coverages as empty arrays to the user.
[ruby-core:74596] [Bug #12220]
* ext/coverage/coverage.c (rb_coverages): remove unused static state.
* thread.c: Moved and renamed coverage_clear_result_i to reset_coverage_i.
* test/coverage/test_coverage.rb: improve precision of tests.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54504 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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after Coverage.result. Avoids out-of-bounds access. [Bug #12237]
* ext/coverage/coverage.c (coverage_clear_result_i): document.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54465 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (update_coverage): check type of coverage array not
only if non-zero.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54075 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (rb_thread_pending_interrupt_p): no pending interrupt
before initialization.
* thread.c (thread_raise_m, rb_thread_kill): uninitialized thread
cannot interrupt. [ruby-core:72732] [Bug #11959]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53449 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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NULL checking is finished Before call of memsize functions.
See r52979.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52986 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (rb_thread_setname): name must be ascii-compatible, as
pthread APIs do not accept legacy wide char strings.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52876 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* configure.in: separate SET_CURRENT_THREAD_NAME, which can set
the name of current thread only, and SET_ANOTHER_THREAD_NAME,
which can set the name of other threads.
* thread.c (rb_thread_setname): use SET_ANOTHER_THREAD_NAME. OS X
is not possible to set another thread name.
* thread_pthread.c (native_set_thread_name, thread_timer): use
SET_CURRENT_THREAD_NAME.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52866 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (rb_thread_setname): pthread_setname_np() on OS X takes
the name only and sets the current thread.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52864 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* compile.c: use them.
* iseq.c: ditto.
* iseq.c (rb_iseq_coverage): added.
* thread.c (update_coverage): use rb_iseq_coverage().
* vm_core.h: rename coverage field name to support this fix.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52860 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (rb_thread_setname): allow to reset thread name.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52835 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (rb_thread_setname): check the argument if valid
string. [ruby-core:71774] [Bug #11756]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52834 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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add_signal_thread_list.
* thread_pthread.c (unregister_ubf_list): renamed
from remove_signal_thread_list.
* thread_pthread.c (ubf_wakeup_all_threads): renamed from
ping_signal_thread_list.
* thread_pthread.c (ubf_wakeup_thread): renamed from
ubf_select_each.
* thread_pthread.c (ubf_threads_empty): renamed from
check_signal_thread_list().
* thread_pthread.c (ubf_list_lock): renamed from
signal_thread_list_lock.
* thread_pthread.c (register_ubf_list): large simplification
by using ccan/list.h.
bonus: removed malloc() and exit(EXIT_FAILURE).
* thread_pthread.c (unregister_ubf_list): ditto.
* thread_pthread.c (ubf_threads_empty): ditto.
* thread_pthread.c (ubf_wakeup_all_threads): ditto.
* thread_pthread.c (print_signal_list): removed.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52818 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Nothing outside of thread.c accesses this variable, so avoid
cluttering up the global namespace with it.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52478 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (rb_fd_no_init): suppress warnings by applying ASSUME
only if GCC 6 or lator, to get rid of freeze with GCC 4.7.2-5.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51894 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* io.c (rb_io_s_popen): do not wait the child process during being
killed. [ruby-core:70671] [Bug #11510]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51798 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (do_select): suppress maybe-uninitialized warnings on
maxfd.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51774 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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