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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/__cp949ext_decmap.c vendored
View file

@ -1,8 +1,7 @@
#include "libc/x/x.h"
/* clang-format off */
static bool __cp949ext_decmap_once;
static void *__cp949ext_decmap_ptr;
static _Atomic(void *) __cp949ext_decmap_ptr;
static const unsigned char __cp949ext_decmap_rodata[1970] = {
0xb5, 0x5a, 0x09, 0x53, 0x14, 0x47, 0x14, 0xce, 0x9b, 0xea, 0x74, 0x4d, 0x6d,
0x51, 0xa9, 0x94, 0xbf, 0x58, 0x0c, 0x06, 0x14, 0x03, 0x09, 0x15, 0x14, 0x2c,
@ -159,9 +158,7 @@ static const unsigned char __cp949ext_decmap_rodata[1970] = {
};
optimizesize void *__cp949ext_decmap(void) {
if (__cp949ext_decmap_once) return __cp949ext_decmap_ptr;
return xloadzd(&__cp949ext_decmap_once,
&__cp949ext_decmap_ptr,
return xloadzd(&__cp949ext_decmap_ptr,
__cp949ext_decmap_rodata,
1970, 10204, 9650, 2, 0xb92a1dffu); /* 10.2073% profit */
}