Subversion Repositories Kolibri OS

Rev

Rev 5565 | Rev 5590 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 5565 Rev 5585
Line 3... Line 3...
3 
;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
 3 
;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
4 
;; Distributed under terms of the GNU General Public License    ;;
 4 
;; Distributed under terms of the GNU General Public License    ;;
5 
;;                                                              ;;
 5 
;;                                                              ;;
6 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 6 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Line 7... Line 7...
7 
 
 7 
 
Line 8... Line 8...
8 
$Revision: 5565 $
 8 
$Revision: 5585 $
9 
 
 9 
 
Line 1169... Line 1169...
1169 
        ret
 1169 
        ret
1170 
endp
 1170 
endp
Line 1171... Line 1171...
1171 
 
 1171 
 
1172 
align 4
 1172 
align 4
1173 
sysfn_meminfo:
 - 
 
1174 
 
 - 
 
1175 
        ;   add ecx, new_app_base
 1173 
sysfn_meminfo:
1176 
        cmp     ecx, OS_BASE
 1174 
        cmp     ecx, OS_BASE
Line 1177... Line 1175...
1177 
        jae     .fail
 1175 
        jae     .fail
1178 
 
 1176 
 
Line 1446... Line 1444...
1446 
        dec     ecx
 1444 
        dec     ecx
1447 
        jnz     @b
 1445 
        jnz     @b
1448 
.done:
 1446 
.done:
1449 
        ret
 1447 
        ret
1450 
endp
 1448 
endp
- 
 
 1449 
 
- 
 
 1450 
FUTEX_INIT      equ 0
- 
 
 1451 
FUTEX_WAIT      equ 1
- 
 
 1452 
FUTEX_WAKE      equ 2
- 
 
 1453 
 
- 
 
 1454 
align 4
- 
 
 1455 
f77call:
- 
 
 1456 
        dd f77.futex_init     ;0
- 
 
 1457 
        dd f77.futex_wait     ;1
- 
 
 1458 
        dd f77.futex_wake     ;2
- 
 
 1459 
 
- 
 
 1460 
align 4
- 
 
 1461 
sys_synchronization:
- 
 
 1462 
f77:
- 
 
 1463 
        cmp     ebx, FUTEX_WAKE
- 
 
 1464 
        ja .fail
- 
 
 1465 
 
- 
 
 1466 
        jmp     dword [f77call+ebx*4]
- 
 
 1467 
 
- 
 
 1468 
.fail:
- 
 
 1469 
        mov     [esp+32], dword 0
- 
 
 1470 
        ret
- 
 
 1471 
 
- 
 
 1472 
 
- 
 
 1473 
align 4
- 
 
 1474 
.futex_init:
- 
 
 1475 
        call    create_futex
- 
 
 1476 
        test    eax, eax
- 
 
 1477 
        jz      @F
- 
 
 1478 
        mov     eax, [eax+FUTEX.handle]
- 
 
 1479 
@@:
- 
 
 1480 
        mov     [esp+32], eax
- 
 
 1481 
        ret
- 
 
 1482 
 
- 
 
 1483 
align 4
- 
 
 1484 
.futex_wait:
- 
 
 1485 
        cmp     ecx, 3
- 
 
 1486 
        jb      .epicfail
- 
 
 1487 
        cmp     ecx, (PROC.pdt_0 - PROC.htab)/4
- 
 
 1488 
        jae     .epicfail
- 
 
 1489 
 
- 
 
 1490 
        mov     esi, [current_process]
- 
 
 1491 
        mov     edi, [esi+PROC.htab+ecx*4]
- 
 
 1492 
 
- 
 
 1493 
        cmp     [edi+FUTEX.magic], 'FUTX'
- 
 
 1494 
        jne     .epicfail
- 
 
 1495 
        cmp     [edi+FUTEX.handle], ecx
- 
 
 1496 
        jne     .epicfail
- 
 
 1497 
 
- 
 
 1498 
        mov     ecx, [edi+FUTEX.pointer]
- 
 
 1499 
        mov     edx, 1
- 
 
 1500 
        mov     eax, [ecx]
- 
 
 1501 
        test    eax, eax
- 
 
 1502 
        jnz     .wait_slow
- 
 
 1503 
        lock cmpxchg [ecx], edx
- 
 
 1504 
        jz      .ok
- 
 
 1505 
 
- 
 
 1506 
.wait_slow:
- 
 
 1507 
        pushfd
- 
 
 1508 
        cli
- 
 
 1509 
 
- 
 
 1510 
        sub     esp, sizeof.MUTEX_WAITER
- 
 
 1511 
        mov     ebx, [TASK_BASE]
- 
 
 1512 
        mov     [ebx+TASKDATA.state], 1
- 
 
 1513 
        mov     [esp+MUTEX_WAITER.task], ebx
- 
 
 1514 
        lea     esi, [edi+FUTEX.wait_list]
- 
 
 1515 
 
- 
 
 1516 
        list_add_tail esp, esi      ;esp= new waiter, esi= list head
- 
 
 1517 
 
- 
 
 1518 
.again:
- 
 
 1519 
        call    change_task
- 
 
 1520 
 
- 
 
 1521 
        mov     eax, [ecx]
- 
 
 1522 
        test    eax, eax
- 
 
 1523 
        jnz     .again
- 
 
 1524 
        lock cmpxchg [ecx], edx
- 
 
 1525 
        jnz     .again
- 
 
 1526 
 
- 
 
 1527 
        list_del esp
- 
 
 1528 
        add     esp, sizeof.MUTEX_WAITER
- 
 
 1529 
 
- 
 
 1530 
        popfd
- 
 
 1531 
.ok:
- 
 
 1532 
        mov     [esp+32], eax
- 
 
 1533 
        ret
- 
 
 1534 
 
- 
 
 1535 
.epicfail:
- 
 
 1536 
        mov     [esp+32], dword -1
- 
 
 1537 
        ret
- 
 
 1538 
 
- 
 
 1539 
align 4
- 
 
 1540 
.futex_wake:
- 
 
 1541 
        ret
- 
 
 1542