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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/jisx0213_bmp_encmap.c vendored
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@ -1,8 +1,7 @@
#include "libc/x/x.h"
/* clang-format off */
static bool jisx0213_bmp_encmap_once;
static void *jisx0213_bmp_encmap_ptr;
static _Atomic(void *) jisx0213_bmp_encmap_ptr;
static const unsigned char jisx0213_bmp_encmap_rodata[] = {
0x63, 0x64, 0xa8, 0xfb, 0xdf, 0xcc, 0xc0, 0xf0, 0xb7, 0x91, 0x31, 0xe0, 0xa5,
0x34, 0x13, 0xc3, 0x21, 0x06, 0x3a, 0x81, 0x7b, 0x4c, 0x76, 0xf6, 0x0f, 0x98,
@ -51,9 +50,7 @@ static const unsigned char jisx0213_bmp_encmap_rodata[] = {
};
optimizesize void *jisx0213_bmp_encmap(void) {
if (jisx0213_bmp_encmap_once) return jisx0213_bmp_encmap_ptr;
return xload(&jisx0213_bmp_encmap_once,
&jisx0213_bmp_encmap_ptr,
return xload(&jisx0213_bmp_encmap_ptr,
jisx0213_bmp_encmap_rodata,
563, 1024); /* 54.9805% profit */
}