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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_nonbmp_encmap.c vendored
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@ -1,8 +1,7 @@
#include "libc/x/x.h"
/* clang-format off */
static bool big5hkscs_nonbmp_encmap_once;
static void *big5hkscs_nonbmp_encmap_ptr;
static _Atomic(void *) big5hkscs_nonbmp_encmap_ptr;
static const unsigned char big5hkscs_nonbmp_encmap_rodata[] = {
0x63, 0x64, 0x50, 0x7c, 0x77, 0x9e, 0x81, 0xe7, 0xd3, 0x36, 0x46, 0x96, 0xa7,
0x33, 0x98, 0xb8, 0xfe, 0x74, 0x33, 0x0b, 0xff, 0x2b, 0x67, 0x71, 0x7f, 0x2d,
@ -62,9 +61,7 @@ static const unsigned char big5hkscs_nonbmp_encmap_rodata[] = {
};
optimizesize void *big5hkscs_nonbmp_encmap(void) {
if (big5hkscs_nonbmp_encmap_once) return big5hkscs_nonbmp_encmap_ptr;
return xload(&big5hkscs_nonbmp_encmap_once,
&big5hkscs_nonbmp_encmap_ptr,
return xload(&big5hkscs_nonbmp_encmap_ptr,
big5hkscs_nonbmp_encmap_rodata,
705, 1024); /* 68.8477% profit */
}