| 4281,15 → 4281,85 |
|---|
| ;----------------------------------------------------------------------------- |
| |
| align 4 |
| syscall_threads: ; CreateThreads |
| ; |
| syscall_threads: |
| ; eax = 51 |
| ; if ebx = 1 CreateThreads |
| ; ecx=thread entry point |
| ; edx=thread stack pointer |
| ; |
| ; on return : eax = pid |
| xor ebx, ebx |
| ; return eax = pid |
| |
| ; if ebx = 2 GetCurrentThreadId |
| ; return eax = current id slot |
| |
| ; if ebx = 3 GetThreadPriority |
| ; ecx = -1 curr slot or id slot |
| ; return eax = priority |
| |
| ; if ebx = 4 SetThreadPriority |
| ; ecx = -1 curr slot or id slot |
| ; edx = set priority |
| ; return eax = old priority |
| |
| dec ebx |
| jz .create |
| mov eax, [current_slot_idx] |
| dec ebx |
| jz .end ;get_curr_slot |
| |
| test ecx, ecx ;-1 curr slot |
| jl .cur_slot |
| mov eax, ecx |
| .cur_slot: |
| shl eax, BSF sizeof.APPDATA |
| add eax, SLOT_BASE |
| |
| test ecx, ecx ;-1 curr slot |
| jl .curr_slot |
| |
| mov esi, .err_exit |
| mov edi, CONTROL_EXCEPTION |
| |
| movzx ecx, [eax+APPDATA.state] |
| test ecx, ecx |
| jnz .check_state |
| |
| cmp [eax+APPDATA.tid], ecx |
| jnz .curr_slot |
| jmp .err_exit |
| |
| .check_state: |
| sub ecx, 3 ;TSTATE_ZOMBIE |
| jl .curr_slot |
| je .err_exit |
| dec ecx ; 4 TSTATE_TERMINATING |
| dec ecx ; 5 TSTATE_WAITING |
| jnz .err_exit |
| |
| .curr_slot: |
| dec ebx |
| jz .get_priority |
| dec ebx |
| jz .set_priority |
| |
| .err_exit: |
| push -1 |
| pop eax |
| jmp .end |
| |
| .set_priority: ;;sysfn 51,4 |
| mov dh, dl |
| lock xchg word [eax+APPDATA.def_priority], dx |
| movzx eax, dl ;old priority |
| jmp .end |
| |
| .get_priority: ;;sysfn 51,3 |
| movzx eax, [eax+APPDATA.def_priority] |
| jmp .end |
| |
| .create: ;sysfn 51,1 |
| call new_sys_threads |
| |
| .end: |
| mov [esp + SYSCALL_STACK.eax], eax |
| ret |
| |