X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/d52f68e6d38a06c63344eea5d7132949b0f42777..8192b613536019798d71a3507eddd59744cfbe57:/util.c

diff --git a/util.c b/util.c
index 8ba99a0..6d6b903 100644
--- a/util.c
+++ b/util.c
@@ -1,15 +1,21 @@
 /* Misc util functions */
 
-char const *cvs_id_util = "$Id: util.c,v 1.3 2004-09-02 04:18:07 fred_nerk Exp $";
-
-#include "l2tpns.h"
+char const *cvs_id_util = "$Id: util.c,v 1.5 2004-11-05 04:55:27 bodea Exp $";
 
+#include <unistd.h>
+#include <errno.h>
+#include <sched.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <string.h>
 #include <sys/mman.h>
 
+#include "l2tpns.h"
+#ifdef BGP
+#include "bgp.h"
+#endif
+
 char *inet_toa(unsigned long addr)
 {
 	struct in_addr in;
@@ -27,3 +33,52 @@ void *shared_malloc(unsigned int size)
 
 	return p;
 }
+
+extern int udpfd, tunfd, snoopfd, ifrfd, cluster_sockfd;
+extern int *radfds;
+
+pid_t fork_and_close()
+{
+	pid_t pid = fork();
+	int i;
+
+	if (pid)
+		return pid;
+
+	if (config->scheduler_fifo)
+	{
+		struct sched_param params = {0};
+		params.sched_priority = 0;
+		if (sched_setscheduler(0, SCHED_OTHER, &params))
+		{
+			LOG(0, 0, 0, 0, "Error setting scheduler to OTHER after fork: %s\n", strerror(errno));
+			LOG(0, 0, 0, 0, "This is probably really really bad.\n");
+		}
+	}
+
+	signal(SIGPIPE, SIG_DFL);
+	signal(SIGCHLD, SIG_DFL);
+	signal(SIGHUP, SIG_DFL);
+	signal(SIGUSR1, SIG_DFL);
+	signal(SIGQUIT, SIG_DFL);
+	signal(SIGKILL, SIG_DFL);
+	signal(SIGALRM, SIG_DFL);
+	signal(SIGTERM, SIG_DFL);
+
+	// Close sockets
+	if (udpfd) close(udpfd); udpfd = 0;
+	if (tunfd) close(tunfd); tunfd = 0;
+	if (snoopfd) close(snoopfd); snoopfd = 0;
+	for (i = 0; i < config->num_radfds; i++)
+		if (radfds[i]) close(radfds[i]);
+	if (ifrfd) close(ifrfd); ifrfd = 0;
+	if (cluster_sockfd) close(cluster_sockfd); cluster_sockfd = 0;
+	if (clifd) close(clifd); clifd = 0;
+#ifdef BGP
+	for (i = 0; i < BGP_NUM_PEERS; i++)
+		if (bgp_peers[i].sock != -1)
+			close(bgp_peers[i].sock);
+#endif /* BGP */
+
+	return pid;
+}