Make more threading improvements

- 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

View file

@ -1,8 +1,7 @@
#include "libc/x/x.h"
/* clang-format off */
static bool big5hkscs_bmp_encmap_once;
static void *big5hkscs_bmp_encmap_ptr;
static _Atomic(void *) big5hkscs_bmp_encmap_ptr;
static const unsigned char big5hkscs_bmp_encmap_rodata[] = {
0x63, 0x64, 0x58, 0xf1, 0x27, 0x8c, 0x81, 0xe1, 0x8e, 0x31, 0x63, 0xc0, 0x31,
0x06, 0x20, 0x58, 0xc5, 0xc8, 0x18, 0xc8, 0x40, 0x07, 0xf0, 0x9b, 0x71, 0xdf,
@ -49,9 +48,7 @@ static const unsigned char big5hkscs_bmp_encmap_rodata[] = {
};
optimizesize void *big5hkscs_bmp_encmap(void) {
if (big5hkscs_bmp_encmap_once) return big5hkscs_bmp_encmap_ptr;
return xload(&big5hkscs_bmp_encmap_once,
&big5hkscs_bmp_encmap_ptr,
return xload(&big5hkscs_bmp_encmap_ptr,
big5hkscs_bmp_encmap_rodata,
545, 1024); /* 53.2227% profit */
}