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| Rev | Author | Line No. | Line |
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| 425 | victor | 1 | $Revision: 431 $ |
| 431 | serge | 2 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| 3 | ;; ;; |
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| 4 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
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| 5 | ;; Distributed under terms of the GNU General Public License ;; |
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| 6 | ;; ;; |
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| 7 | ;; Synhronization for MenuetOS. ;; |
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| 8 | ;; Author: Halyavin Andrey, halyavin@land.ru ;; |
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| 9 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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| 10 | |||
| 1 | ha | 11 | if ~defined sync_inc |
| 12 | sync_inc_fix: |
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| 13 | sync_inc fix sync_inc_fix |
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| 14 | |||
| 15 | ;simplest mutex. |
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| 16 | macro SimpleMutex name |
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| 17 | { |
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| 18 | ; iglobal |
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| 19 | name dd 0 |
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| 20 | name#.type = 1 |
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| 21 | ; endg |
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| 22 | } |
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| 23 | macro WaitSimpleMutex name |
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| 24 | { |
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| 25 | local start_wait,ok |
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| 379 | serge | 26 | start_wait=$ |
| 1 | ha | 27 | cli |
| 28 | cmp [name],dword 0 |
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| 29 | jz ok |
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| 30 | sti |
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| 31 | call change_task |
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| 32 | jmp start_wait |
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| 33 | ok=$ |
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| 34 | push eax |
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| 379 | serge | 35 | mov eax,dword [TASK_BASE+second_base_address] |
| 115 | poddubny | 36 | mov eax,[eax+TASKDATA.pid] |
| 1 | ha | 37 | mov [name],eax |
| 38 | pop eax |
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| 39 | sti |
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| 40 | } |
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| 41 | macro ReleaseSimpleMutex name |
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| 42 | { |
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| 43 | mov [name],dword 0 |
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| 44 | } |
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| 45 | macro TryWaitSimpleMutex name ;result in eax and in flags |
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| 46 | { |
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| 47 | local ok,try_end |
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| 48 | cmp [name],dword 0 |
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| 49 | jz ok |
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| 50 | xor eax,eax |
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| 51 | jmp try_end |
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| 52 | ok=$ |
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| 53 | xor eax,eax |
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| 54 | inc eax |
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| 55 | try_end=$ |
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| 56 | } |
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| 57 | macro SimpleCriticalSection name |
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| 58 | { |
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| 59 | ; iglobal |
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| 60 | name dd 0 |
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| 61 | dd 0 |
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| 62 | name#.type=2 |
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| 63 | ; endg |
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| 64 | } |
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| 65 | macro WaitSimpleCriticalSection name |
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| 66 | { |
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| 67 | local start_wait,first_wait,inc_counter,end_wait |
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| 68 | push eax |
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| 379 | serge | 69 | mov eax,[TASK_BASE+second_base_address] |
| 115 | poddubny | 70 | mov eax,[eax+TASKDATA.pid] |
| 1 | ha | 71 | start_wait=$ |
| 72 | cli |
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| 73 | cmp [name],dword 0 |
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| 74 | jz first_wait |
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| 75 | cmp [name],eax |
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| 76 | jz inc_counter |
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| 77 | sti |
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| 78 | call change_task |
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| 79 | jmp start_wait |
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| 80 | first_wait=$ |
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| 81 | mov [name],eax |
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| 82 | mov [name+4],dword 1 |
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| 379 | serge | 83 | jmp end_wait |
| 1 | ha | 84 | inc_counter=$ |
| 85 | inc dword [name+4] |
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| 86 | end_wait=$ |
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| 87 | sti |
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| 88 | pop eax |
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| 89 | } |
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| 90 | macro ReleaseSimpleCriticalSection name |
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| 91 | { |
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| 92 | local release_end |
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| 93 | dec dword [name+4] |
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| 94 | jnz release_end |
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| 95 | mov [name],dword 0 |
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| 96 | release_end=$ |
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| 97 | } |
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| 98 | macro TryWaitSimpleCriticalSection name ;result in eax and in flags |
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| 99 | { |
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| 100 | local ok,try_end |
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| 379 | serge | 101 | mov eax,[CURRENT_TASK+second_base_address] |
| 115 | poddubny | 102 | mov eax,[eax+TASKDATA.pid] |
| 1 | ha | 103 | cmp [name],eax |
| 104 | jz ok |
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| 105 | cmp [name],0 |
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| 106 | jz ok |
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| 107 | xor eax,eax |
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| 108 | jmp try_end |
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| 109 | ok=$ |
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| 110 | xor eax,eax |
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| 111 | inc eax |
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| 112 | try_end=$ |
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| 113 | } |
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| 114 | _cli equ call MEM_HeapLock |
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| 115 | _sti equ call MEM_HeapUnLock |
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| 116 | end if |
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| 117 |