NSIS 程序互斥函数

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1. /************************
   
2.       CheckMutex.nsi
   
3. ************************/
   
4. ;NSIS 安装程序与卸载程序互相检查互斥的例子
   
5. ;编写：zhfi
   
6. #定义自己的互斥名称：#
   
7. #注意安：装程序不能与卸载程序相同！#
   
8. !define MyMutex_Install     "MyMutex_Install"
   
9. !define MyMutex_UnInstall   "MyMutex_UnInstall"
   
10. 
    
11. ;--------------------------------
    
12. ;Include Modern UI
    
13. 
    
14. !include "MUI.nsh"
    
15. !include "LogicLib.nsh"
    
16. 
    
17. ;--------------------------------
    
18. ;General
    
19. 
    
20.   ;Name and file
    
21.   Name "Mutex Test"
    
22.   OutFile "Mutex.exe"
    
23. 
    
24. ;--------------------------------
    
25. #添加安装页面：#
    
26.   !insertmacro MUI_PAGE_Welcome
    
27.   !insertmacro MUI_PAGE_InstFiles
    
28.   !insertmacro MUI_PAGE_Finish
    
29. #添加卸载页面：#
    
30.   !insertmacro MUI_UNPAGE_Welcome
    
31.   !insertmacro MUI_UNPAGE_InstFiles
    
32.   !insertmacro MUI_UNPAGE_Finish
    
33. 
    
34. ;--------------------------------
    
35. ;加入语言文件
    
36. 
    
37.   !insertmacro MUI_LANGUAGE "SimpChinese"
    
38. 
    
39. ;--------------------------------
    
40. ;安装程序部分
    
41. 
    
42. Function .onInit
    
43. InitPluginsDir
    
44. Call CreateMutex
    
45. FunctionEnd
    
46. 
    
47. Function CreateMutex
    
48. #检查安装互斥：#
    
49. ReCheck:
    
50.   System::Call 'kernel32::CreateMutexA(i 0, i 0, t "${MyMutex_Install}") i .R1 ?e'
    
51. Pop $R0
    
52.   System::Call 'kernel32::CloseHandle(i R1) i.s'
    
53. #检查卸载互斥：#
    
54.   System::Call 'kernel32::CreateMutexA(i 0, i 0, t "${MyMutex_UnInstall}") i .R3 ?e'
    
55. Pop $R2
    
56.   System::Call 'kernel32::CloseHandle(i R3) i.s'
    
57. #判断安装/卸载互斥的存在#
    
58. ${If} $R0 != 0
    
59.   MessageBox MB_RetryCancel|MB_ICONEXCLAMATION "安装程序已经运行！" IdRetry ReCheck
    
60. Quit
    
61. ${ElseIf} $R2 != 0
    
62.   MessageBox MB_RetryCancel|MB_ICONEXCLAMATION "卸载程序已经运行！" IdRetry ReCheck
    
63. Quit
    
64. ${Else}
    
65. #创建安装互斥：#
    
66.   System::Call 'kernel32::CreateMutexA(i 0, i 0, t "${MyMutex_Install}") i .R1 ?e'
    
67. Pop $R0
    
68.   StrCmp $R0 0 +2
    
69. Quit
    
70. ${EndIf}
    
71. FunctionEnd
    
72. 
    
73. Section Install
    
74.   SetOutPath $EXEDIR
    
75.   WriteUninstaller "$EXEDIR\Uninstall.exe"
    
76. SectionEnd
    
77. 
    
78. ;--------------------------------
    
79. ;卸载程序部分
    
80. 
    
81. Function un.onInit
    
82. InitPluginsDir
    
83. Call un.CreateMutex
    
84. FunctionEnd
    
85. 
    
86. Function Un.CreateMutex
    
87. #检查安装互斥：#
    
88. ReCheck:
    
89.   System::Call 'kernel32::CreateMutexA(i 0, i 0, t "${MyMutex_Install}") i .R1 ?e'
    
90. Pop $R0
    
91.   System::Call 'kernel32::CloseHandle(i R1) i.s'
    
92. #检查卸载互斥：#
    
93. CheckUnInstall:
    
94.   System::Call 'kernel32::CreateMutexA(i 0, i 0, t "${MyMutex_UnInstall}") i .R3 ?e'
    
95. Pop $R2
    
96.   System::Call 'kernel32::CloseHandle(i R3) i.s'
    
97. #判断安装/卸载互斥的存在#
    
98. ${If} $R0 != 0
    
99.   MessageBox MB_RetryCancel|MB_ICONEXCLAMATION "安装程序已经运行！" IdRetry ReCheck
    
100. Quit
     
101. ${ElseIf} $R2 != 0
     
102.   MessageBox MB_RetryCancel|MB_ICONEXCLAMATION "卸载程序已经运行！" IdRetry ReCheck
     
103. Quit
     
104. ${Else}
     
105. #创建卸载互斥：#
     
106.   System::Call 'kernel32::CreateMutexA(i 0, i 0, t "${MyMutex_UnInstall}") i .R1 ?e'
     
107. Pop $R0
     
108.   StrCmp $R0 0 +2
     
109. Quit
     
110. ${EndIf}
     
111. FunctionEnd
     
112. 
     
113. Section Uninstall
     
114.   SetOutPath $EXEDIR
     
115.   Delete "$EXEDIR\Uninstall.exe"
     
116. SectionEnd
     
117. 
     
118. #脚本结束！#

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