KolibriOS/kolibrios
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fix double-unlock in free(); make free() always save edi; update test

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git-svn-id: svn://kolibrios.org@3126 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
CleverMouse
2012-12-17 15:54:19 +00:00
parent 17d524a010
commit a221c289a3
2 changed files with 30 additions and 18 deletions
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29
kernel/trunk/core/test_malloc.asm
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@@ -50,12 +50,12 @@ run_test2:
ret
run_test3:
; 1024000 times run random operation.
; 1024 times run random operation.
; Randomly select malloc(random size from 1 to 1023)
; or free(random of previously allocated areas)
mov edi, 0x12345678
xor esi, esi ; 0 areas allocated
mov ebx, 1024000
mov ebx, 1024
.loop:
imul edi, 1103515245
add edi, 12345
@@ -78,7 +78,11 @@ run_test3:
push eax
; mov ecx, [saved_state_num]
; mov [saved_state+ecx*8], eax
push edi
call malloc_with_test
pop ecx
cmp ecx, edi
jnz edi_destroyed
; mov ecx, [saved_state_num]
; mov [saved_state+ecx*8+4], eax
; inc [saved_state_num]
@@ -113,7 +117,11 @@ run_test3:
jnz memory_destroyed
pop eax edi
push ebx edx
push edi
call free
pop ecx
cmp ecx, edi
jnz edi_destroyed
pop edx ebx
dec esi
pop eax ecx
@@ -150,8 +158,14 @@ malloc_with_test:
ret
; Stubs for kernel procedures used by heap code
wait_mutex:
inc dword [ebx]
mutex_init:
and dword [ecx], 0
ret
mutex_lock:
inc dword [ecx]
ret
mutex_unlock:
dec dword [ecx]
ret
kernel_alloc:
@@ -174,7 +188,7 @@ generic_malloc_fail:
jmp error_with_code
check_mutex:
cmp [mst.mutex], 0
cmp dword [mst.mutex], 0
jnz @f
ret
@@:
@@ -195,6 +209,10 @@ memory_destroyed:
mov eax, 5
jmp error_with_code
edi_destroyed:
mov eax, 6
jmp error_with_code
error_with_code:
mov edx, saved_state_num
; eax = error code
@@ -208,6 +226,7 @@ error_with_code:
; Include main heap code
include '../proc32.inc'
include '../struct.inc'
include '../const.inc'
include 'malloc.inc'