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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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9
third_party/gdtoa/lock.c vendored
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@ -20,6 +20,7 @@
#include "third_party/gdtoa/lock.h"
static pthread_mutex_t __gdtoa_lock_obj;
static pthread_mutex_t __gdtoa_lock1_obj;
int(__gdtoa_lock)(void) {
return pthread_mutex_lock(&__gdtoa_lock_obj);
@ -28,3 +29,11 @@ int(__gdtoa_lock)(void) {
int(__gdtoa_unlock)(void) {
return pthread_mutex_unlock(&__gdtoa_lock_obj);
}
int(__gdtoa_lock1)(void) {
return pthread_mutex_lock(&__gdtoa_lock1_obj);
}
int(__gdtoa_unlock1)(void) {
return pthread_mutex_unlock(&__gdtoa_lock1_obj);
}