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copied!<p>Yes, it is possible. However, observe:</p> <pre><code>// This example will fail to reopen and terminate the job. // Processes cmd and ping stay running STARTUPINFO si; memset(&si, 0, sizeof(STARTUPINFO)); si.cb = sizeof(STARTUPINFO); PROCESS_INFORMATION pi; memset(&pi, 0, sizeof(PROCESS_INFORMATION)); // BEGIN BLOCK A ::CreateProcess(NULL, "cmd /c ping 127.0.0.1 -n 10 > nul", NULL, NULL, TRUE, CREATE_SUSPENDED, NULL, ".", &si, &pi); HANDLE job = ::CeateJobObject(NULL, "myjob"); ::AssignProcessToJobObject(job, pi.hProcess); // END BLOCK A ::ResumeThread(pi.hThread); ::CloseHandle(pi.hProcess); ::CloseHandle(pi.hThread); ::CloseHandle(job); HANDLE reopenJob = ::OpenJobObject(JOB_OBJECT_TERMINATE, FALSE, "myjob"); if(reopenJob != NULL) ::TerminateJobObject(reopenJob, 1); </code></pre> <p>The reopened job in this case is NULL, and the error code is ERROR_FILE_NOT_FOUND.</p> <p>The job must be created before the process, and be inherited, for the job to be reopenable.</p> <pre><code>// NEW BLOCK A HANDLE job = ::CreateJobObject(NULL, "myjob"); ::SetHandleInformation(job, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT); ::CreateProcess(NULL, "cmd /c ping 127.0.0.1 -n 10 > nul", NULL, NULL, TRUE, CREATE_SUSPENDED, NULL, ".", &si, &pi); ::AssignProcessToJobObject(job, pi.hProcess); </code></pre> <p>If your goal is to name the job using the PID, note that this creation order prevents such a convention. This still means that some piece of information must be tracked in addition to the PID in order to reopen the job.</p>

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