Subversion Repositories Kolibri OS

Rev

Rev 9715 | Rev 9869 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 9715 Rev 9831
Line 3... Line 3...
3 
;; Copyright (C) KolibriOS team 2004-2022. All rights reserved. ;;
 3 
;; Copyright (C) KolibriOS team 2004-2022. 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: 9715 $
 8 
$Revision: 9831 $
9 
 
 9 
 
10 
align 4
 10 
align 4
11 
;struct futex*  __fastcall create_futex(int *ptr)
 11 
;struct futex*  __fastcall create_futex(int *ptr)
Line 79... Line 79...
79 
.fail:
 79 
.fail:
80 
.requeue:
 80 
.requeue:
81 
.cmp_requeue:
 81 
.cmp_requeue:
82 
.wait_bitset:
 82 
.wait_bitset:
83 
.wake_bitset:
 83 
.wake_bitset:
84 
        mov     [esp + SYSCALL_STACK._eax], -1
 84 
        mov     [esp + SYSCALL_STACK.eax], -1
85 
        ret
 85 
        ret
Line 86... Line 86...
86 
 
 86 
 
87 
align 4
 87 
align 4
88 
.init:
 88 
.init:
89 
        call    create_futex
 89 
        call    create_futex
90 
        test    eax, eax
 90 
        test    eax, eax
91 
        jz      @F
 91 
        jz      @F
92 
        mov     eax, [eax + FUTEX.handle]
 92 
        mov     eax, [eax + FUTEX.handle]
93 
@@:
 93 
@@:
94 
        mov     [esp + SYSCALL_STACK._eax], eax
 94 
        mov     [esp + SYSCALL_STACK.eax], eax
Line 95... Line 95...
95 
        ret
 95 
        ret
96 
 
 96 
 
97 
align 4
 97 
align 4
98 
;ecx futex handle
 98 
;ecx futex handle
99 
;edi current process
 99 
;edi current process
100 
;ebp futex object
 100 
;ebp futex object
101 
.destroy:
 101 
.destroy:
102 
        mov     ecx, ebp
 102 
        mov     ecx, ebp
103 
        call    destroy_futex
 103 
        call    destroy_futex
Line 104... Line 104...
104 
        mov     [esp + SYSCALL_STACK._eax], eax
 104 
        mov     [esp + SYSCALL_STACK.eax], eax
105 
        ret
 105 
        ret
106 
 
 106 
 
Line 116... Line 116...
116 
        mov     ecx, [ebp + FUTEX.pointer]
 116 
        mov     ecx, [ebp + FUTEX.pointer]
117 
        mov     eax, edx
 117 
        mov     eax, edx
118 
        lock cmpxchg [ecx], edx
 118 
        lock cmpxchg [ecx], edx
119 
        je      .wait_slow
 119 
        je      .wait_slow
Line 120... Line 120...
120 
 
 120 
 
121 
        mov     [esp + SYSCALL_STACK._eax], -2
 121 
        mov     [esp + SYSCALL_STACK.eax], -2
Line 122... Line 122...
122 
        ret
 122 
        ret
123 
 
 123 
 
124 
.wait_slow:
 124 
.wait_slow:
Line 141... Line 141...
141 
 
 141 
 
142 
        list_del esp
 142 
        list_del esp
Line 143... Line 143...
143 
        add     esp, sizeof.MUTEX_WAITER
 143 
        add     esp, sizeof.MUTEX_WAITER
144 
 
 144 
 
145 
        popfd
 145 
        popfd
Line 146... Line 146...
146 
        mov     [esp + SYSCALL_STACK._eax], 0
 146 
        mov     [esp + SYSCALL_STACK.eax], 0
147 
        ret
 147 
        ret
148 
 
 148 
 
Line 157... Line 157...
157 
        mov     ecx, [ebp + FUTEX.pointer]
 157 
        mov     ecx, [ebp + FUTEX.pointer]
158 
        mov     eax, edx
 158 
        mov     eax, edx
159 
        lock cmpxchg [ecx], edx         ;wait until old_value == new_value
 159 
        lock cmpxchg [ecx], edx         ;wait until old_value == new_value
160 
        je      .wait_slow_timeout
 160 
        je      .wait_slow_timeout
Line 161... Line 161...
161 
 
 161 
 
162 
        mov     [esp + SYSCALL_STACK._eax], -2
 162 
        mov     [esp + SYSCALL_STACK.eax], -2
Line 163... Line 163...
163 
        ret
 163 
        ret
164 
 
 164 
 
165 
align 4
 165 
align 4
Line 198... Line 198...
198 
@@:
 198 
@@:
199 
        list_del esp
 199 
        list_del esp
200 
        add     esp, sizeof.MUTEX_WAITER
 200 
        add     esp, sizeof.MUTEX_WAITER
Line 201... Line 201...
201 
 
 201 
 
202 
        popfd
 202 
        popfd
203 
        mov     [esp + SYSCALL_STACK._eax], 0
 203 
        mov     [esp + SYSCALL_STACK.eax], 0
Line 204... Line 204...
204 
        ret
 204 
        ret
205 
 
 205 
 
206 
.timeout:
 206 
.timeout:
Line 207... Line 207...
207 
        list_del esp
 207 
        list_del esp
208 
        add     esp, sizeof.MUTEX_WAITER
 208 
        add     esp, sizeof.MUTEX_WAITER
209 
 
 209 
 
Line 210... Line 210...
210 
        popfd
 210 
        popfd
211 
        mov     [esp + SYSCALL_STACK._eax], -1
 211 
        mov     [esp + SYSCALL_STACK.eax], -1
Line 237... Line 237...
237 
        inc     ecx
 237 
        inc     ecx
238 
        cmp     ecx, edx
 238 
        cmp     ecx, edx
239 
        jb      .again_wake
 239 
        jb      .again_wake
240 
.done:
 240 
.done:
241 
        popfd
 241 
        popfd
242 
        mov     [esp + SYSCALL_STACK._eax], ecx
 242 
        mov     [esp + SYSCALL_STACK.eax], ecx
243 
        ret
 243 
        ret