rpcs3/Utilities/Semaphore.h
Nekotekina 8e1991c1e1 semaphore_t, RSX fixes
1) GS_LOCK_WAIT_FLUSH semaphore eliminated
2) GS_LOCK_WAIT_FLIP semaphore left unused
3) cellRescSetWaitFlip/cellGcmSetWaitFlip purged: they don't wait for
flip, it's a nonsense, they only generate some RSX command
4) Semaphores rewritten
2015-08-01 14:38:57 +03:00

37 lines
546 B
C++

#pragma once
class semaphore_t
{
// semaphore mutex
std::mutex m_mutex;
// semaphore condition variable
std::condition_variable m_cv;
struct sync_var_t
{
u32 value; // current semaphore value
u32 waiters; // current amount of waiters
};
// current semaphore value
atomic_t<sync_var_t> m_var;
public:
// max semaphore value
const u32 max_value;
semaphore_t(u32 max_value = 1, u32 value = 0)
: m_var({ value, 0 })
, max_value(max_value)
{
}
bool try_wait();
bool try_post();
void wait();
bool post_and_wait();
};