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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_pair_encmap.c vendored
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@ -1,8 +1,7 @@
#include "libc/x/x.h"
/* clang-format off */
static bool jisx0213_pair_encmap_once;
static void *jisx0213_pair_encmap_ptr;
static _Atomic(void *) jisx0213_pair_encmap_ptr;
static const unsigned char jisx0213_pair_encmap_rodata[] = {
0x1d, 0xc8, 0x31, 0x4e, 0xc2, 0x70, 0x18, 0x86, 0xf1, 0xcf, 0x8f, 0xab, 0x80,
0x09, 0x69, 0x08, 0x6f, 0xc3, 0xa0, 0x09, 0xa3, 0x0c, 0x68, 0xad, 0x0d, 0x81,
@ -23,9 +22,7 @@ static const unsigned char jisx0213_pair_encmap_rodata[] = {
};
optimizesize void *jisx0213_pair_encmap(void) {
if (jisx0213_pair_encmap_once) return jisx0213_pair_encmap_ptr;
return xload(&jisx0213_pair_encmap_once,
&jisx0213_pair_encmap_ptr,
return xload(&jisx0213_pair_encmap_ptr,
jisx0213_pair_encmap_rodata,
207, 368); /* 56.25% profit */
}