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Make more threading improvements

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- ASAN memory morgue is now lockless
- Make C11 atomics header more portable
- Rewrote pthread keys support to be lockless
- Simplify Python's unicode table unpacking code
- Make crash report write(2) closer to being atomic
- Make it possible to strace/ftrace a single thread
- ASAN now checks nul-terminated strings fast and properly
- Windows fork() now restores TLS memory of calling thread
This commit is contained in:
Justine Tunney 2022-11-01 22:36:03 -07:00
parent d7b88734cd
commit e522aa3a07
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GPG key ID: BE714B4575D6E328
189 changed files with 1363 additions and 1217 deletions
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7
third_party/python/Modules/cjkcodecs/__cp932ext_encmap.c vendored
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@ -1,8 +1,7 @@
#include "libc/x/x.h"
/* clang-format off */
static bool __cp932ext_encmap_once;
static void *__cp932ext_encmap_ptr;
static _Atomic(void *) __cp932ext_encmap_ptr;
static const unsigned char __cp932ext_encmap_rodata[] = {
0xed, 0x5a, 0x05, 0x73, 0xdb, 0x4c, 0x10, 0xfd, 0x6b, 0x61, 0x66, 0xc6, 0x86,
0x99, 0xa9, 0x98, 0x66, 0xe2, 0xd0, 0x86, 0xd3, 0x40, 0xdb, 0xa4, 0xcc, 0xcc,
@ -107,9 +106,7 @@ static const unsigned char __cp932ext_encmap_rodata[] = {
};
optimizesize void *__cp932ext_encmap(void) {
if (__cp932ext_encmap_once) return __cp932ext_encmap_ptr;
return xload(&__cp932ext_encmap_once,
&__cp932ext_encmap_ptr,
return xload(&__cp932ext_encmap_ptr,
__cp932ext_encmap_rodata,
1293, 19372); /* 6.67458% profit */
}