external() will now terminate the child DOS process if the mutex cannot be...

external() will now terminate the child DOS process if the mutex cannot be acquired or the IOControl call fails.

src/sbbs3/xtrn.cpp

@@ -495,6 +495,7 @@ int sbbs_t::external(char* cmdline, long mode, char* startup_dir)
     		// Wait for notification from VXD that new VM has started
 			if((retval=WaitForSingleObject(start_event, 5000))!=WAIT_OBJECT_0) {
 				XTRN_CLEANUP;
+                TerminateProcess(process_info.hProcess, __LINE__);
 				errormsg(WHERE, ERR_TIMEOUT, "start_event", retval);
 				return(GetLastError());
 			}
@@ -513,6 +514,7 @@ int sbbs_t::external(char* cmdline, long mode, char* startup_dir)
 				NULL					// Overlapped I/O
 				)) {
 				XTRN_CLEANUP;
+                TerminateProcess(process_info.hProcess, __LINE__);
 				errormsg(WHERE, ERR_IOCTL, SBBSEXEC_VXD, SBBSEXEC_IOCTL_COMPLETE);
 				return(GetLastError());
 			}