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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 1998-2009. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
* Erlang Public License along with this software. If not, it can be
* retrieved online at http://www.erlang.org/.
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* %CopyrightEnd%
*/
/*
** This is an entry point for port programs,
** it is used to set the console control handler of the process when
** erlang process is run as a service.
** Note that this entry point is only for
** Console programs, Windowing programs can just route the WM_QUERYENDSESSION
** and WM_ENDSESSION to the default window procedure to aquire the same
** functionality.
**
** Creator Patrik Nyblom
**
** Notes:
** You would really not want to use ANY of the standard library in this
** routine, the standard library is not yet initiated...
*/
#include <windows.h>
/*
** The runtime libraries startup routine in the Microsoft Visual C CRT
*/
extern void mainCRTStartup(void);
/*
** A Console control handler that ignores the logoff events,
** and lets the default handler take care of other events.
*/
BOOL WINAPI erl_port_default_handler(DWORD ctrl){
if(ctrl == CTRL_LOGOFF_EVENT)
return TRUE;
if(ctrl == CTRL_SHUTDOWN_EVENT)
return TRUE;
return FALSE;
}
/*
** This is the entry point, it takes no parameters and never returns.
*/
void erl_port_entry(void){
char buffer[2];
/*
* We assume we're running as a service if this environment variable
* is defined
*/
if(GetEnvironmentVariable("ERLSRV_SERVICE_NAME",buffer,(DWORD) 2)){
#ifdef HARDDEBUG
DWORD dummy;
WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),
"Setting handler\r\n",17,&dummy, NULL);
#endif /* HARDDEBUG */
/*
** Actually set the control handler
*/
SetConsoleCtrlHandler(&erl_port_default_handler, TRUE);
}
/*
** Call the CRT's real startup routine.
*/
mainCRTStartup();
}
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