CFrameSnapshot::ReleaseReference

/* CFrameSnapshot::ReleaseReference() */

uint __thiscall CFrameSnapshot::ReleaseReference(CFrameSnapshot *this)

{
  uint *puVar1;
  CFrameSnapshot *pCVar2;
  uint uVar3;
  undefined *puVar4;
  uint uVar5;
  
  puVar4 = framesnapshotmanager;
  uVar5 = ThreadGetCurrentId();
  puVar1 = (uint *)(puVar4 + 4);
  if (uVar5 != *(uint *)(puVar4 + 4)) {
    LOCK();
    uVar3 = *puVar1;
    if (uVar3 == 0) {
      *puVar1 = uVar5;
    }
    UNLOCK();
    if (uVar3 != 0) {
      CThreadFastMutex::Lock((uint)puVar1,uVar5);
      goto LAB_001f2224;
    }
  }
  *(int *)(puVar4 + 8) = *(int *)(puVar4 + 8) + 1;
LAB_001f2224:
  LOCK();
  pCVar2 = this + 0x38;
  *(int *)pCVar2 = *(int *)pCVar2 + -1;
  UNLOCK();
  if (*(int *)pCVar2 == 0) {
                    /* try { // try from 001f226b to 001f226f has its CatchHandler @ 001f2272 */
    CFrameSnapshotManager::DeleteFrameSnapshot
              ((CFrameSnapshotManager *)&g_FrameSnapshotManager,this);
  }
  *(int *)(puVar4 + 8) = *(int *)(puVar4 + 8) + -1;
  uVar5 = *(uint *)(puVar4 + 8);
  if (uVar5 == 0) {
    LOCK();
    uVar5 = *puVar1;
    *puVar1 = 0;
    UNLOCK();
  }
  return uVar5;
}