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/*
* exitproc.c -- Actions to perform on exit()
*
* exitproc.c is a part of binkd project
*
* Copyright (C) 1997 Dima Maloff, 5047/13
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version. See COPYING.
*/
#include <signal.h>
#include "sys.h"
#include "readcfg.h"
#include "common.h"
#include "ftnnode.h"
#include "bsy.h"
#include "tools.h"
#include "sem.h"
#include "server.h"
#ifdef WITH_PERL
#include "perlhooks.h"
#endif
#ifdef BINKD9X
#include "nt/win9x.h"
#endif
#if defined(WIN32) && !defined(BINKD9X)
#include "nt/service.h"
#include "nt/w32tools.h"
#endif
int binkd_exit;
#ifdef HAVE_THREADS
static fd_set sockets;
static SOCKET max_socket;
int add_socket(SOCKET sockfd)
{
threadsafe(
FD_SET (sockfd, &sockets);
if (sockfd >= max_socket)
max_socket = sockfd + 1;
);
return 0;
}
int del_socket(SOCKET sockfd)
{
threadsafe(FD_CLR (sockfd, &sockets));
return 0;
}
#endif
void close_srvmgr_socket(void)
{
int curfd;
for (curfd=0; curfd<sockfd_used; curfd++)
{ Log (5, "Closing server socket # %i", sockfd[curfd]);
soclose (sockfd[curfd]);
}
sockfd_used = 0;
}
void exitfunc (void)
{
BINKD_CONFIG *config;
#if defined(WIN32) && !defined(BINKD9X)
static int exitfunc_called_flag=0;
if (IsNT() && isService()) {
LockSem(&exitsem);
if(exitfunc_called_flag)
{ /* prevent double call exitfunc() at NT service stop sequence */
ReleaseSem(&exitsem);
Log(10, "exitfunc() repeated call, return from exitfunc()");
return;
}
exitfunc_called_flag=1;
ReleaseSem(&exitsem);
}
#endif
Log(7, "exitfunc()");
#if defined(HAVE_THREADS)
/* exit all threads */
{ SOCKET h;
int timeout = 0;
/* wait for threads exit */
binkd_exit = 1;
for (;;)
if (n_servers || n_clients || pidcmgr || pidsmgr)
{
close_srvmgr_socket();
if (pidcmgr)
PostSem(&wakecmgr);
/* close active sockets */
for (h=0; h < max_socket; h++)
if (FD_ISSET(h, &sockets))
soclose (h);
if (WaitSem (&eothread, 1))
{
timeout++;
if (timeout == 4) /* 4 sec */
{
Log(5, "exitfunc(): warning, threads exit timeout (%i sec), n_servers %i, n_clients %i pidcmgr %i pidsmgr %i!",
timeout, n_servers, n_clients, (int)pidcmgr, (int)pidsmgr);
break;
}
}
else
{
Log(9, "Thread finished");
timeout = 0;
}
}
else
{
Log(8, "exitfunc(): all threads finished");
break;
}
}
#elif defined(HAVE_FORK)
if (pidcmgr)
{ int i;
i=pidcmgr, pidcmgr=0; /* prevent abort when cmgr exits */
kill (i, SIGTERM);
/* sleep (1); */
}
close_srvmgr_socket();
#endif
config = lock_current_config();
if (config)
bsy_remove_all (config);
sock_deinit ();
nodes_deinit ();
if (config)
{
if (*config->pid_file && pidsmgr == (int) getpid ())
delete (config->pid_file);
/* completely unload config */
#if defined(HAVE_FORK) && !defined(HAVE_THREADS)
unlock_config_structure(config, inetd_flag || (!pidsmgr && pidCmgr == (int) getpid()) || (pidsmgr == (int) getpid()));
#else
unlock_config_structure(config, 1);
#endif
}
CleanSem (&config_sem);
CleanSem (&hostsem);
CleanSem (&resolvsem);
CleanSem (&lsem);
CleanSem (&blsem);
CleanSem (&varsem);
CleanEventSem (&eothread);
CleanEventSem (&wakecmgr);
#ifdef OS2
CleanSem (&fhsem);
#endif
#if defined(WITH_PERL) && defined(HAVE_THREADS) && defined(PERL_MULTITHREAD)
CleanSem (&perlsem);
#endif
ReleaseErrorList();
}
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