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Rev 914 Rev 2971
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;                                                              ;;
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;;                                                              ;;
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;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;;                                                              ;;
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;;                                                              ;;
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;;                                                              ;;
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;;                                                              ;;
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;;  QUEUE.INC                                                   ;;
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;;  QUEUE.INC                                                   ;;
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;;                                                              ;;
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;;                                                              ;;
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;;  Buffer queue management for Menuet OS TCP/IP Stack          ;;
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;;  Buffer queue management for Menuet OS TCP/IP Stack          ;;
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;;                                                              ;;
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;;                                                              ;;
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;;  Version 0.3  29 August 2002                                 ;;
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;;                                                              ;;
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;;  Copyright 2002 Mike Hibbett, mikeh@oceanfree.net            ;;
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;;  Copyright 2002 Mike Hibbett, mikeh@oceanfree.net            ;;
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;;                                                              ;;
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;;                                                              ;;
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;;  See file COPYING for details                                ;;
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;;  See file COPYING for details                                ;;
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;;                                                              ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 914 $
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$Revision: 2971 $
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;       Adds a buffer number to the beginning of the free list.
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;       Adds a buffer number to the beginning of the free list.
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;       buffer number in eax  ( ms word zeroed )
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;       buffer number in eax  ( ms word zeroed )
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;       all other registers preserved
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;       all other registers preserved
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;        This always works, so no error returned
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;        This always works, so no error returned
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;***************************************************************************
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;***************************************************************************
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uglobal
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;uglobal
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  freeBuff_cnt dd ?
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;  freeBuff_cnt dd ?
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endg
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;endg
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freeBuff:
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freeBuff:
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;        inc     [freeBuff_cnt]
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;        inc     [freeBuff_cnt]
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;        DEBUGF  1, "K : freeBuff (%u)\n", [freeBuff_cnt]
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;        DEBUGF  1, "K : freeBuff (%u)\n", [freeBuff_cnt]
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    push    ebx
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    push    ebx
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    push    ecx
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    push    ecx
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;       queue number in eax ( ms word zeroed )
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;       queue number in eax ( ms word zeroed )
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;       buffer number in ebx  ( ms word zeroed )
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;       buffer number in ebx  ( ms word zeroed )
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;       all other registers preserved
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;       all other registers preserved
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;        This always works, so no error returned
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;        This always works, so no error returned
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;***************************************************************************
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;***************************************************************************
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uglobal
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;uglobal
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  queue_cnt dd ?
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;  queue_cnt dd ?
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endg
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;endg
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queue:
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queue:
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;        inc     [queue_cnt]
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;        inc     [queue_cnt]
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;        DEBUGF  1, "K : queue (%u)\n", [queue_cnt]
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;        DEBUGF  1, "K : queue (%u)\n", [queue_cnt]
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    push    ebx
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    push    ebx
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    shl     ebx, 1
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    shl     ebx, 1
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;       queue number in eax ( ms word zeroed )
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;       queue number in eax ( ms word zeroed )
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;       buffer number returned in eax ( ms word zeroed )
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;       buffer number returned in eax ( ms word zeroed )
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;       all other registers preserved
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;       all other registers preserved
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;
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;
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;***************************************************************************
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;***************************************************************************
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uglobal
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;uglobal
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  dequeue_cnt dd ?
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;  dequeue_cnt dd ?
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endg
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;endg
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dequeue:
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dequeue:
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    push    ebx
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    push    ebx
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    shl     eax, 1
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    shl     eax, 1
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    add     eax, queues            ; eax now holds address of queue
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    add     eax, queues            ; eax now holds address of queue
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    mov     ebx, eax
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    mov     ebx, eax