| /kernel/trunk/kernel.asm |
|---|
| 2254,8 → 2254,9 |
| uglobal |
| ; bgrchanged dd 0x0 |
| align 4 |
| bgrlockpid dd 0 |
| bgrlock db 0 |
| bgrlockpid dd 0 |
| endg |
| sys_background: |
| 2267,10 → 2268,9 |
| cmp edx,0 |
| je sbgrr |
| @@: |
| mov al, 1 |
| xchg [bgrlock], al |
| test al, al |
| jz @f |
| ;;Maxis use atomic bts for mutexes 4.4.2009 |
| bts dword [bgrlock], 0 |
| jnc @f |
| call change_task |
| jmp @b |
| @@: |
| 2368,11 → 2368,10 |
| cmp ebx, 6 |
| jnz nosb6 |
| ;;Maxis use atomic bts for mutex 4.4.2009 |
| @@: |
| mov al, 1 |
| xchg [bgrlock], al |
| test al, al |
| jz @f |
| bts [bgrlock], 0 |
| jnc @f |
| call change_task |
| jmp @b |
| @@: |