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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <sys/wait.h>
#include "core.h"
#include "socket.h"
#include "timer.h"
#include "version.h"
#include "mt_rand.h"
#include "nullpo.h"
/// Defined by each server
extern int do_init (int, char **);
extern void term_func (void);
static void chld_proc (int UNUSED)
{
wait(NULL);
}
static void sig_proc (int UNUSED)
{
term_func ();
for (int i = 0; i < fd_max; i++)
if (session[i])
close (i);
exit (0);
}
// Added by Gabuzomeu
//
// This is an implementation of signal() using sigaction() for portability.
// (sigaction() is POSIX; signal() is not.) Taken from Stevens' _Advanced
// Programming in the UNIX Environment_.
//
typedef void (*sigfunc)(int);
sigfunc compat_signal (int signo, sigfunc func)
{
struct sigaction sact, oact;
sact.sa_handler = func;
sigemptyset (&sact.sa_mask);
sact.sa_flags = 0;
if (sigaction (signo, &sact, &oact) < 0)
return SIG_ERR;
return oact.sa_handler;
}
bool runflag = true;
int main (int argc, char **argv)
{
/// Note that getpid() and getppid() may be very close
mt_seed (time (NULL) ^ (getpid () << 16) ^ (getppid () << 8));
do_socket ();
compat_signal (SIGPIPE, SIG_IGN);
compat_signal (SIGTERM, sig_proc);
compat_signal (SIGINT, sig_proc);
compat_signal (SIGCHLD, chld_proc);
// Signal to create coredumps by system when necessary (crash)
compat_signal (SIGSEGV, SIG_DFL);
compat_signal (SIGBUS, SIG_DFL);
compat_signal (SIGTRAP, SIG_DFL);
compat_signal (SIGILL, SIG_DFL);
do_init (argc, argv);
while (runflag)
{
do_sendrecv (do_timer (gettick_nocache ()));
do_parsepacket ();
}
}
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