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Peter Zhu bfb395c620 Implement weak references in the GC 
[Feature #19783]

This commit adds support for weak references in the GC through the
function `rb_gc_mark_weak`. Unlike strong references, weak references
does not mark the object, but rather lets the GC know that an object
refers to another one. If the child object is freed, the pointer from
the parent object is overwritten with `Qundef`.

Co-Authored-By: Jean Boussier <byroot@ruby-lang.org>
2023-08-25 09:01:21 -04:00
..
array.h
Remove RARRAY_CONST_PTR_TRANSIENT
2023-07-13 14:48:14 -04:00
basic_operators.h
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bignum.h
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bits.h
Check that __builtin_mul_overflow can handle long long
2023-08-24 20:47:23 -07:00
class.h
Prefer 0 over NULL as function pointers
2023-06-23 03:15:55 +09:00
cmdlineopt.h
Fix range of --backtrace-limit
2023-08-11 01:56:50 +09:00
compar.h
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compile.h
Move the PC regardless of the leaf flag (#8232)
2023-08-16 20:28:33 -07:00
compilers.h
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complex.h
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cont.h
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dir.h
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enc.h
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encoding.h
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enum.h
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enumerator.h
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error.h
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eval.h
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file.h
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fixnum.h
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gc.h
Implement weak references in the GC
2023-08-25 09:01:21 -04:00
hash.h
Declare RHASH_AR_TABLE and RHASH_ST_TABLE return non-null
2023-06-23 14:54:50 +09:00
imemo.h
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inits.h
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io.h
do not redefine a typedef
2023-08-25 17:27:53 +09:00
load.h
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loadpath.h
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math.h
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missing.h
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numeric.h
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object.h
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parse.h
Move SCRIPT_LINES__ away from parse.y
2023-08-25 18:23:05 +09:00
proc.h
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process.h
Put rb_fork back into process.c
2023-05-21 23:00:27 +09:00
ractor.h
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random.h
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range.h
Implement Struct on VWA
2023-06-05 15:47:16 -04:00
rational.h
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re.h
Stop allocating unused backref strings at defined?
2023-06-27 23:14:10 +09:00
ruby_parser.h
Move SCRIPT_LINES__ away from parse.y
2023-08-25 18:23:05 +09:00
sanitizers.h
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serial.h
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signal.h
Move posix_signal declaration internal with prefix ruby_
2023-07-17 21:31:59 +09:00
static_assert.h
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string.h
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struct.h
Remove unused references to the transient heap
2023-07-13 14:48:14 -04:00
symbol.h
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thread.h
Use a real Ruby mutex in rb_io_close_wait_list (#7884)
2023-06-01 17:37:18 +09:00
time.h
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transcode.h
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util.h
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variable.h
Remove unused references to the transient heap
2023-07-13 14:48:14 -04:00
vm.h
YJIT: Make ratio_in_yjit always available (#8064)
2023-07-13 18:14:43 -04:00
warnings.h
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