void
server_main(int ac, char **av)
{
int newsock, sock;
if (ac != 2) {
fprintf(stderr, "usage: %s -s\n", av[0]);
exit(1);
}
GO_AWAY;
signal(SIGCHLD, child);
sock = tcp_server(TCP_XACT, SOCKOPT_NONE);
for (;;) {
newsock = tcp_accept(sock, SOCKOPT_NONE);
switch (fork()) {
case -1:
perror("fork");
break;
case 0:
doserver(newsock);
exit(0);
default:
close(newsock);
break;
}
}
/* NOTREACHED */
}
void
server_main()
{
int newsock, sock;
GO_AWAY;
signal(SIGCHLD, sigchld_wait_handler);
sock = tcp_server(TCP_XACT, SOCKOPT_REUSE);
for (;;) {
newsock = tcp_accept(sock, SOCKOPT_NONE);
#ifdef CONFIG_NOMMU
switch (vfork()) {
#else
switch (fork()) {
#endif
case -1:
perror("fork");
break;
case 0:
doserver(newsock);
#ifdef CONFIG_NOMMU
_exit(0);
#else
exit(0);
#endif
default:
close(newsock);
break;
}
}
/* NOTREACHED */
}
void
doserver(int sock)
{
int n;
if (read(sock, &n, sizeof(int)) == sizeof(int)) {
int msize = ntohl(n);
char* buf = (char*)malloc(msize);
for (n = 0; read(sock, buf, msize) > 0; n++) {
write(sock, buf, msize);
}
free(buf);
} else {
/*
* A connection with no data means shut down.
*/
tcp_done(TCP_XACT);
kill(getppid(), SIGTERM);
exit(0);
}
}