質問編集履歴
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\+=解決しました
test
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test
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@@ -167,3 +167,121 @@
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その理由もお教えいただけると幸いです。
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よろしくお願いします。
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解決しました
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---
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ご回答いただいた内容を元に以下の通り修正したところ、うまくいきました。
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ありがとうございます。
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```C
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#pragma comment(lib, "advapi32.lib")
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#include <stdio.h>
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#include <conio.h>
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#include <stdlib.h>
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#include <windows.h>
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#include <winbase.h>
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int main(int argc, char **argv)
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{
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char *name;
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HANDLE hdl;
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int ret;
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if(argc != 2)
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return;
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name = argv[1];
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printf("name == '%s'\n", name);
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{
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SECURITY_DESCRIPTOR sd;
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SECURITY_ATTRIBUTES secAttribute;
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InitializeSecurityDescriptor(&sd, SECURITY_DESCRIPTOR_REVISION);
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SetSecurityDescriptorDacl(&sd, TRUE, 0, FALSE);
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secAttribute.nLength = sizeof(secAttribute);
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secAttribute.lpSecurityDescriptor = &sd;
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secAttribute.bInheritHandle = TRUE;
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hdl = CreateMutexA(&secAttribute, FALSE, name);
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}
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printf("hdl == %d\n", (int)hdl);
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if(hdl == NULL)
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return;
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// _getch();
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printf("LOCKING...\n");
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ret = WaitForSingleObject((HANDLE)hdl, INFINITE);
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if(ret != WAIT_OBJECT_0)
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return; // fatal
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printf("LOCKED\n");
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_getch();
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ReleaseMutex(hdl);
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CloseHandle(hdl);
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printf("RELEASE & CLOSED\n");
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}
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```
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