| 132,10 → 132,10 |
|---|
| jnz .futex_wait_timeout |
| mov ecx, [ebp+FUTEX.pointer] |
| mov eax, edx |
| lock cmpxchg [ecx], edx ;wait until old_value == new_value |
| jz .wait_slow |
| lock cmpxchg [ecx], edx |
| je .wait_slow |
| |
| mov [esp+SYSCALL_STACK._eax], 0 |
| mov [esp+SYSCALL_STACK._eax], -2 |
| ret |
| |
| .wait_slow: |
| 148,13 → 148,13 |
|---|
| lea esi, [ebp+FUTEX.wait_list] |
| |
| list_add_tail esp, esi ;esp= new waiter, esi= list head |
| |
| mov eax, edx |
| .again: |
| mov [ebx+TASKDATA.state], 1 |
| call change_task |
| |
| lock cmpxchg [ecx], edx |
| jz .again |
| je .again |
| |
| list_del esp |
| add esp, sizeof.MUTEX_WAITER |
| 174,9 → 174,9 |
|---|
| mov ecx, [ebp+FUTEX.pointer] |
| mov eax, edx |
| lock cmpxchg [ecx], edx ;wait until old_value == new_value |
| jz .wait_slow_timeout |
| je .wait_slow_timeout |
| |
| mov [esp+SYSCALL_STACK._eax], 0 |
| mov [esp+SYSCALL_STACK._eax], -2 |
| ret |
| |
| align 4 |
| 210,6 → 210,7 |
|---|
| test eax, eax |
| jz .timeout |
| |
| mov eax, edx |
| lock cmpxchg [ecx], edx |
| jz .again_timeout |
| @@: |
| 231,7 → 232,7 |
|---|
| |
| align 4 |
| ;ecx futex handle |
| ;edx numder of threads |
| ;edx number of threads |
| ;edi current process |
| ;ebp futex object |
| .futex_wake: |