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limit purgeing to one purge cycle per purge delay

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This commit is contained in:
daanx 2024-12-21 15:24:46 -08:00
parent e3ebebb990
commit 476d4699ff
2 changed files with 56 additions and 39 deletions
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26
include/mimalloc/atomic.h
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@ -421,9 +421,8 @@ static inline void mi_atomic_yield(void) {
static inline bool mi_lock_try_acquire(mi_lock_t* lock) {
return TryAcquireSRWLockExclusive(lock);
}
static inline bool mi_lock_acquire(mi_lock_t* lock) {
static inline void mi_lock_acquire(mi_lock_t* lock) {
AcquireSRWLockExclusive(lock);
return true;
}
static inline void mi_lock_release(mi_lock_t* lock) {
ReleaseSRWLockExclusive(lock);
@ -432,7 +431,7 @@ static inline void mi_lock_init(mi_lock_t* lock) {
InitializeSRWLock(lock);
}
static inline void mi_lock_done(mi_lock_t* lock) {
// nothing
(void)(lock);
}
#else
@ -440,24 +439,20 @@ static inline void mi_lock_done(mi_lock_t* lock) {
static inline bool mi_lock_try_acquire(mi_lock_t* lock) {
return TryEnterCriticalSection(lock);
}
static inline void mi_lock_acquire(mi_lock_t* lock) {
EnterCriticalSection(lock);
}
static inline void mi_lock_release(mi_lock_t* lock) {
LeaveCriticalSection(lock);
}
static inline void mi_lock_init(mi_lock_t* lock) {
InitializeCriticalSection(lock);
}
static inline void mi_lock_done(mi_lock_t* lock) {
DeleteCriticalSection(lock);
}
#endif
#elif defined(MI_USE_PTHREADS)
@ -467,8 +462,11 @@ static inline void mi_lock_done(mi_lock_t* lock) {
static inline bool mi_lock_try_acquire(mi_lock_t* lock) {
return (pthread_mutex_trylock(lock) == 0);
}
static inline bool mi_lock_acquire(mi_lock_t* lock) {
return (pthread_mutex_lock(lock) == 0);
static inline void mi_lock_acquire(mi_lock_t* lock) {
const int err = pthread_mutex_lock(lock);
if (err != 0) {
mi_error_message(EFAULT, "internal error: lock cannot be acquired\n");
}
}
static inline void mi_lock_release(mi_lock_t* lock) {
pthread_mutex_unlock(lock);
@ -488,9 +486,8 @@ static inline void mi_lock_done(mi_lock_t* lock) {
static inline bool mi_lock_try_acquire(mi_lock_t* lock) {
return lock->try_lock();
}
static inline bool mi_lock_acquire(mi_lock_t* lock) {
static inline void mi_lock_acquire(mi_lock_t* lock) {
lock->lock();
return true;
}
static inline void mi_lock_release(mi_lock_t* lock) {
lock->unlock();
@ -513,12 +510,11 @@ static inline bool mi_lock_try_acquire(mi_lock_t* lock) {
uintptr_t expected = 0;
return mi_atomic_cas_strong_acq_rel(lock, &expected, (uintptr_t)1);
}
static inline bool mi_lock_acquire(mi_lock_t* lock) {
static inline void mi_lock_acquire(mi_lock_t* lock) {
for (int i = 0; i < 1000; i++) { // for at most 1000 tries?
if (mi_lock_try_acquire(lock)) return true;
if (mi_lock_try_acquire(lock)) return;
mi_atomic_yield();
}
return true;
}
static inline void mi_lock_release(mi_lock_t* lock) {
mi_atomic_store_release(lock, (uintptr_t)0);