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Make POSIX threads improvements

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- Ensure SIGTHR isn't blocked in newly created threads
- Use TIB rather than thread_local for thread atexits
- Make POSIX thread keys atomic within thread
- Don't bother logging prctl() to --strace
- Log thread destructor names to --strace
This commit is contained in:
Justine Tunney 2024-06-30 15:38:59 -07:00
parent 387310c659
commit 76957983cf
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GPG key ID: BE714B4575D6E328
11 changed files with 57 additions and 71 deletions
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3
libc/thread/tls.h
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@ -39,7 +39,8 @@ struct CosmoTib {
uint32_t tib_sigstack_flags;
_Atomic(int) tib_relock_maps;
void *tib_nsync;
void *tib_keys[47];
void *tib_atexit;
_Atomic(void *) tib_keys[46];
} __attribute__((__aligned__(64)));
extern int __threaded;