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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/__big5hkscs_decmap.c vendored
View file

@ -1,8 +1,7 @@
#include "libc/x/x.h"
/* clang-format off */
static bool __big5hkscs_decmap_once;
static void *__big5hkscs_decmap_ptr;
static _Atomic(void *) __big5hkscs_decmap_ptr;
static const unsigned char __big5hkscs_decmap_rodata[] = {
0xad, 0x99, 0xf7, 0x57, 0x5a, 0x59, 0xd8, 0xef, 0x2d, 0x98, 0xaa, 0x68, 0x34,
0x51, 0x4c, 0x62, 0x12, 0xa3, 0x98, 0xa6, 0xe6, 0x58, 0x80, 0x28, 0x82, 0x80,
@ -786,9 +785,7 @@ static const unsigned char __big5hkscs_decmap_rodata[] = {
};
optimizesize void *__big5hkscs_decmap(void) {
if (__big5hkscs_decmap_once) return __big5hkscs_decmap_ptr;
return xload(&__big5hkscs_decmap_once,
&__big5hkscs_decmap_ptr,
return xload(&__big5hkscs_decmap_ptr,
__big5hkscs_decmap_rodata,
10118, 12438); /* 81.3475% profit */
}