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Make improvements to locking

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This change makes pthread_mutex_lock() as fast as _spinlock() by
default. Thread instability issues on NetBSD have been resolved.
Improvements made to gdtoa thread code. Crash reporting will now
synchronize between threads in a slightly better way.
This commit is contained in:
Justine Tunney 2022-06-19 01:13:03 -07:00
parent 25041b8026
commit d5312b60f7
60 changed files with 890 additions and 629 deletions
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2
libc/stdio/fflush_unlocked.c
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@ -34,10 +34,12 @@
static pthread_mutex_t __fflush_lock_obj;
void(__fflush_lock)(void) {
__fflush_lock_obj.attr = PTHREAD_MUTEX_RECURSIVE;
pthread_mutex_lock(&__fflush_lock_obj);
}
void(__fflush_unlock)(void) {
__fflush_lock_obj.attr = PTHREAD_MUTEX_RECURSIVE;
pthread_mutex_unlock(&__fflush_lock_obj);
}