/*
- Unix SMB/Netbios implementation.
+ Unix SMB/CIFS implementation.
a async DNS handler
Copyright (C) Andrew Tridgell 1997-1998
#include "includes.h"
-extern int DEBUGLEVEL;
-
/***************************************************************************
Add a DNS result to the name cache.
****************************************************************************/
#ifndef SYNC_DNS
static int fd_in = -1, fd_out = -1;
-static int child_pid = -1;
+static pid_t child_pid = -1;
static int in_dns;
/* this is the structure that is passed between the parent and child */
WINS db that our parent is going to write.
**************************************************************************** */
-static int sig_term(void)
+static void sig_term(int sig)
{
_exit(0);
- /* Keep compiler happy.. */
- return 0;
}
/***************************************************************************
{
int fd1[2], fd2[2];
- signal(SIGCLD, SIG_IGN);
+ CatchChild();
if (pipe(fd1) || pipe(fd2)) {
+ DEBUG(0,("can't create asyncdns pipes\n"));
return;
}
- child_pid = fork();
+ child_pid = sys_fork();
if (child_pid) {
fd_in = fd1[0];
fd_out = fd2[1];
close(fd1[1]);
close(fd2[0]);
+ DEBUG(0,("started asyncdns process %d\n", (int)child_pid));
return;
}
fd_in = fd2[0];
fd_out = fd1[1];
- signal(SIGUSR2, SIG_IGN);
- signal(SIGUSR1, SIG_IGN);
- signal(SIGHUP, SIG_IGN);
- signal(SIGTERM, SIGNAL_CAST sig_term );
+ CatchSignal(SIGUSR2, SIG_IGN);
+ CatchSignal(SIGUSR1, SIG_IGN);
+ CatchSignal(SIGHUP, SIG_IGN);
+ CatchSignal(SIGTERM, SIGNAL_CAST sig_term );
asyncdns_process();
}
dns_queue = p;
}
- DEBUG(3,("added DNS query for %s\n", namestr(question)));
+ DEBUG(3,("added DNS query for %s\n", nmb_namestr(question)));
return True;
}
/***************************************************************************
- we use this then we can't do async DNS lookups
+ we use this when we can't do async DNS lookups
****************************************************************************/
BOOL queue_dns_query(struct packet_struct *p,struct nmb_name *question,
struct name_record **n)
char *qname = question->name;
struct in_addr dns_ip;
- DEBUG(3,("DNS search for %s - ", namestr(question)));
+ DEBUG(3,("DNS search for %s - ", nmb_namestr(question)));
/* Unblock TERM signal so we can be killed in DNS lookup. */
BlockSignals(False, SIGTERM);