CThreadSafeMemoryPool::Alloc

/* CThreadSafeMemoryPool::Alloc(unsigned int) */

undefined4 * CThreadSafeMemoryPool::Alloc(uint param_1)

{
  uint uVar1;
  undefined4 *puVar2;
  undefined4 uVar3;
  char cVar4;
  int iVar5;
  undefined4 *puVar6;
  undefined4 *puVar7;
  uint uVar8;
  int local_40;
  int local_38;
  undefined4 *local_24;
  int local_20;
  
  local_40 = 999;
  uVar1 = param_1 + 0x18;
  do {
    CThreadSpinRWLock::LockForRead();
    puVar6 = *(undefined4 **)(param_1 + 0x3c);
    iVar5 = puVar6[1];
    puVar7 = (undefined4 *)*puVar6;
    while (puVar7 != (undefined4 *)0x0) {
      cVar4 = ThreadInterlockedAssignIf64(puVar6,*puVar7,iVar5 + -1,puVar7,iVar5);
      if (cVar4 != '\0') {
        CThreadSpinRWLock::UnlockRead();
        LOCK();
        *(int *)(param_1 + 0xc) = *(int *)(param_1 + 0xc) + 1;
        UNLOCK();
        return puVar7;
      }
      iVar5 = puVar6[1];
      puVar7 = (undefined4 *)*puVar6;
    }
    uVar8 = uVar1;
    CThreadSpinRWLock::UnlockRead();
    iVar5 = ThreadGetCurrentId(uVar8);
    LOCK();
    *(int *)(param_1 + 0x20) = *(int *)(param_1 + 0x20) + 1;
    UNLOCK();
    if ((0 < *(int *)(param_1 + 0x1c)) ||
       (((*(int *)(param_1 + 0x18) != 0 && (iVar5 != *(int *)(param_1 + 0x18))) ||
        (cVar4 = ThreadInterlockedAssignIf64(uVar1,iVar5,0,0,0), cVar4 == '\0')))) {
      CThreadSpinRWLock::SpinLockForWrite(uVar1);
    }
    if (*(short *)(*(int *)(param_1 + 0x3c) + 4) < 1) {
      local_38 = *(int *)(param_1 + 8) * *(int *)(param_1 + 4);
      if (*(int *)param_1 == 1) {
        local_38 = (*(int *)(param_1 + 0x34) + 1) * local_38;
      }
      else if ((*(int *)param_1 == 0) && (*(int *)(param_1 + 0x34) == 1)) goto LAB_0008c0e8;
      puVar6 = (undefined4 *)memalign(8,local_38);
      if (puVar6 == (undefined4 *)0x0) {
LAB_0008c0e8:
        CThreadSpinRWLock::UnlockWrite();
        return (undefined4 *)0x0;
      }
      for (puVar7 = puVar6; puVar7 < (undefined4 *)(local_38 + (int)puVar6);
          puVar7 = (undefined4 *)((int)puVar7 + *(int *)(param_1 + 4))) {
        puVar2 = *(undefined4 **)(param_1 + 0x3c);
        do {
          iVar5 = puVar2[1];
          uVar3 = *puVar2;
          *puVar7 = uVar3;
                    /* try { // try from 0008c024 to 0008c05c has its CatchHandler @ 0008c0fd */
          cVar4 = ThreadInterlockedAssignIf64(puVar2,puVar7,iVar5 + 0x10001,uVar3,iVar5);
        } while (cVar4 == '\0');
      }
      *(int *)(param_1 + 0x10) = *(int *)(param_1 + 0x10) + local_38;
      local_20 = local_38;
      local_24 = puVar6;
      CUtlVector<CThreadSafeMemoryPool::BlockSet_t,CUtlMemory<CThreadSafeMemoryPool::BlockSet_t,int>>
      ::InsertBefore((CUtlVector<CThreadSafeMemoryPool::BlockSet_t,CUtlMemory<CThreadSafeMemoryPool::BlockSet_t,int>>
                      *)(param_1 + 0x28),*(int *)(param_1 + 0x34),(BlockSet_t *)&local_24);
      CThreadSpinRWLock::UnlockWrite();
    }
    else {
      CThreadSpinRWLock::UnlockWrite();
    }
    local_40 = local_40 + -1;
    if (local_40 == 0) {
      return (undefined4 *)0x0;
    }
  } while( true );
}