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Rev 5585 Rev 5590
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;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2004-2015. 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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$Revision: 5585 $
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$Revision: 5590 $
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Line 1479... Line 1479...
1479 
@@:
 1479 
@@:
1480 
        mov     [esp+32], eax
 1480 
        mov     [esp+32], eax
1481 
        ret
 1481 
        ret
Line 1482... Line 1482...
1482 
 
 1482 
 
- 
 
 1483 
align 4
- 
 
 1484 
;ecx futex handle
1483 
align 4
 1485 
;edx new value
1484 
.futex_wait:
 1486 
.futex_wait:
1485 
        cmp     ecx, 3
 1487 
        cmp     ecx, 3
1486 
        jb      .epicfail
 1488 
        jb      .epicfail
1487 
        cmp     ecx, (PROC.pdt_0 - PROC.htab)/4
 1489 
        cmp     ecx, (PROC.pdt_0 - PROC.htab)/4
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1494 
        jne     .epicfail
 1496 
        jne     .epicfail
1495 
        cmp     [edi+FUTEX.handle], ecx
 1497 
        cmp     [edi+FUTEX.handle], ecx
1496 
        jne     .epicfail
 1498 
        jne     .epicfail
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1497 
 
 1499 
 
1498 
        mov     ecx, [edi+FUTEX.pointer]
 - 
 
- 
 
 1500 
        mov     ecx, [edi+FUTEX.pointer]
1499 
        mov     edx, 1
 1501 
 
1500 
        mov     eax, [ecx]
 1502 
        mov     eax, edx
1501 
        test    eax, eax
 1503 
        lock cmpxchg [ecx], edx         ;wait until old_value == new_value
- 
 
 1504 
        jz .wait_slow
1502 
        jnz     .wait_slow
 1505 
 
1503 
        lock cmpxchg [ecx], edx
 1506 
        mov     [esp+SYSCALL_STACK._eax], 0
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1504 
        jz      .ok
 1507 
        ret
1505 
 
 1508 
 
1506 
.wait_slow:
 1509 
.wait_slow:
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1516 
        list_add_tail esp, esi      ;esp= new waiter, esi= list head
 1519 
        list_add_tail esp, esi      ;esp= new waiter, esi= list head
Line 1517... Line 1520...
1517 
 
 1520 
 
1518 
.again:
 1521 
.again:
Line 1519... Line -...
1519 
        call    change_task
 - 
 
1520 
 
 - 
 
1521 
        mov     eax, [ecx]
 - 
 
1522 
        test    eax, eax
 1522 
        call    change_task
1523 
        jnz     .again
 1523 
 
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1524 
        lock cmpxchg [ecx], edx
 1524 
        lock cmpxchg [ecx], edx
1525 
        jnz     .again
 1525 
        jz .again
Line 1526... Line 1526...
1526 
 
 1526 
 
1527 
        list_del esp
 - 
 
1528 
        add     esp, sizeof.MUTEX_WAITER
 1527 
        list_del esp
1529 
 
 1528 
        add     esp, sizeof.MUTEX_WAITER
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1530 
        popfd
 1529 
 
1531 
.ok:
 1530 
        popfd
1532 
        mov     [esp+32], eax
 1531 
        mov     [esp+SYSCALL_STACK._eax], 0
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1533 
        ret
 1532 
        ret
1534 
 
 1533 
 
- 
 
 1534 
.epicfail:
- 
 
 1535 
        mov     [esp+SYSCALL_STACK._eax], -1
- 
 
 1536 
        ret
- 
 
 1537 
 
- 
 
 1538 
align 4
- 
 
 1539 
.futex_wake:
- 
 
 1540 
        cmp     ecx, 3
- 
 
 1541 
        jb      .epicfail
- 
 
 1542 
        cmp     ecx, (PROC.pdt_0 - PROC.htab)/4
- 
 
 1543 
        jae     .epicfail
- 
 
 1544 
 
- 
 
 1545 
        mov     esi, [current_process]
- 
 
 1546 
        mov     edi, [esi+PROC.htab+ecx*4]
- 
 
 1547 
 
- 
 
 1548 
        cmp     [edi+FUTEX.magic], 'FUTX'
- 
 
 1549 
        jne     .epicfail
- 
 
 1550 
        cmp     [edi+FUTEX.handle], ecx
- 
 
 1551 
        jne     .epicfail
- 
 
 1552 
 
- 
 
 1553 
        xor     ecx, ecx
- 
 
 1554 
 
- 
 
 1555 
        pushfd
- 
 
 1556 
        cli
- 
 
 1557 
 
- 
 
 1558 
        lea     ebx, [edi+FUTEX.wait_list]
- 
 
 1559 
        mov     esi, [edi+FUTEX.wait_list.next]
- 
 
 1560 
@@:
- 
 
 1561 
        cmp     esi, ebx
- 
 
 1562 
        je      @F
- 
 
 1563 
 
- 
 
 1564 
        mov     eax, [esi+MUTEX_WAITER.task]
- 
 
 1565 
        mov     [eax+TASKDATA.state], 0
- 
 
 1566 
 
- 
 
 1567 
        mov     esi, [esi+MUTEX_WAITER.list.next]
1535 
.epicfail:
 1568 
        inc     ecx
Line -... Line 1569...
- 
 
 1569 
        cmp     ecx, edx