rpcsx/kernel/cellos/include/cellos/sys_cond.h

#pragma once

#include "sys_mutex.h"
#include "sys_sync.h"

struct lv2_mutex;

struct sys_cond_attribute_t {
  be_t<u32> pshared;
  be_t<s32> flags;
  be_t<u64> ipc_key;

  union {
    nse_t<u64, 1> name_u64;
    char name[sizeof(u64)];
  };
};

struct lv2_cond final : lv2_obj {
  static const u32 id_base = 0x86000000;

  const u64 key;
  const u64 name;
  const u32 mtx_id;

  lv2_mutex *mutex; // Associated Mutex
  shared_ptr<lv2_obj> _mutex;
  ppu_thread *sq{};

  lv2_cond(u64 key, u64 name, u32 mtx_id, shared_ptr<lv2_obj> mutex0) noexcept;

  lv2_cond(utils::serial &ar) noexcept;
  static std::function<void(void *)> load(utils::serial &ar);
  void save(utils::serial &ar);

  CellError on_id_create();
};

class ppu_thread;

// Syscalls

error_code sys_cond_create(ppu_thread &ppu, vm::ptr<u32> cond_id, u32 mutex_id,
                           vm::ptr<sys_cond_attribute_t> attr);
error_code sys_cond_destroy(ppu_thread &ppu, u32 cond_id);
error_code sys_cond_wait(ppu_thread &ppu, u32 cond_id, u64 timeout);
error_code sys_cond_signal(ppu_thread &ppu, u32 cond_id);
error_code sys_cond_signal_all(ppu_thread &ppu, u32 cond_id);
error_code sys_cond_signal_to(ppu_thread &ppu, u32 cond_id, u32 thread_id);