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LibC: Don't yield on `pthread_spin_lock` 

Thats kinda the whole point of spinlocks :D
This commit is contained in:
Bananymous 2025-04-19 22:31:35 +03:00
parent 01626b4c9f
commit 85f9b585f5
1 changed files with 1 additions and 5 deletions
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6
userspace/libraries/LibC/pthread.cpp
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@ -323,8 +323,7 @@ int pthread_spin_destroy(pthread_spinlock_t* lock)
int pthread_spin_init(pthread_spinlock_t* lock, int pshared) int pthread_spin_init(pthread_spinlock_t* lock, int pshared)
{ {
(void)pshared; (void)pshared;
new (lock) BAN::Atomic<pthread_t>(); new (lock) BAN::Atomic<pthread_t>(0);
pthread_spin_get_atomic(lock) = false;
return 0; return 0;
} }
@ -337,10 +336,7 @@ int pthread_spin_lock(pthread_spinlock_t* lock)
pthread_t expected = 0; pthread_t expected = 0;
while (!atomic.compare_exchange(expected, tid, BAN::MemoryOrder::memory_order_acquire)) while (!atomic.compare_exchange(expected, tid, BAN::MemoryOrder::memory_order_acquire))
{
sched_yield();
expected = 0; expected = 0;
}
return 0; return 0;
} }