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support poll(2).

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Obtained from:	KAME
MFC after:	1 week
This commit is contained in:
Hajimu UMEMOTO 2003-08-18 15:35:33 +00:00
parent 7ac81ce4b8
commit 7b01856526
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=119076
2 changed files with 44 additions and 5 deletions
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2
usr.sbin/route6d/Makefile
View File

@ -4,6 +4,6 @@
PROG= route6d
MAN= route6d.8
CFLAGS+= -DINET6
CFLAGS+= -DINET6 -DHAVE_POLL_H
.include <bsd.prog.mk>

47
usr.sbin/route6d/route6d.c
View File

@ -50,6 +50,9 @@ static char _rcsid[] = "$KAME: route6d.c,v 1.64 2001/05/08 04:36:37 itojun Exp $
#include <stddef.h>
#include <errno.h>
#include <err.h>
#ifdef HAVE_POLL_H
#include <poll.h>
#endif
#include <sys/types.h>
#include <sys/param.h>
@ -138,10 +141,14 @@ int nifc; /* number of valid ifc's */
struct ifc **index2ifc;
int nindex2ifc;
struct ifc *loopifcp = NULL; /* pointing to loopback */
#ifdef HAVE_POLL_H
struct pollfd set[2];
#else
fd_set *sockvecp; /* vector to select() for receiving */
fd_set *recvecp;
int fdmasks;
int maxfd; /* maximum fd for select() */
#endif
int rtsock; /* the routing socket */
int ripsock; /* socket to send/receive RIP datagram */
@ -458,8 +465,13 @@ main(argc, argv)
}
signo = 0;
#ifdef HAVE_POLL_H
switch (poll(set, 2, INFTIM))
#else
memcpy(recvecp, sockvecp, fdmasks);
switch (select(maxfd + 1, recvecp, 0, 0, 0)) {
switch (select(maxfd + 1, recvecp, 0, 0, 0))
#endif
{
case -1:
if (errno != EINTR) {
fatal("select");
@ -469,12 +481,22 @@ main(argc, argv)
case 0:
continue;
default:
if (FD_ISSET(ripsock, recvecp)) {
#ifdef HAVE_POLL_H
if (set[0].revents & POLLIN)
#else
if (FD_ISSET(ripsock, recvecp))
#endif
{
sigprocmask(SIG_BLOCK, &mask, &omask);
riprecv();
sigprocmask(SIG_SETMASK, &omask, NULL);
}
if (FD_ISSET(rtsock, recvecp)) {
#ifdef HAVE_POLL_H
if (set[1].revents & POLLIN)
#else
if (FD_ISSET(rtsock, recvecp))
#endif
{
sigprocmask(SIG_BLOCK, &mask, &omask);
rtrecv();
sigprocmask(SIG_SETMASK, &omask, NULL);
@ -659,18 +681,34 @@ init()
}
memcpy(&ripsin, res->ai_addr, res->ai_addrlen);
#ifdef HAVE_POLL_H
set[0].fd = ripsock;
set[0].events = POLLIN;
#else
maxfd = ripsock;
#endif
if (nflag == 0) {
if ((rtsock = socket(PF_ROUTE, SOCK_RAW, 0)) < 0) {
fatal("route socket");
/*NOTREACHED*/
}
#ifdef HAVE_POLL_H
set[1].fd = rtsock;
set[1].events = POLLIN;
#else
if (rtsock > maxfd)
maxfd = rtsock;
} else
#endif
} else {
#ifdef HAVE_POLL_H
set[1].fd = -1;
#else
rtsock = -1; /*just for safety */
#endif
}
#ifndef HAVE_POLL_H
fdmasks = howmany(maxfd + 1, NFDBITS) * sizeof(fd_mask);
if ((sockvecp = malloc(fdmasks)) == NULL) {
fatal("malloc");
@ -684,6 +722,7 @@ init()
FD_SET(ripsock, sockvecp);
if (rtsock >= 0)
FD_SET(rtsock, sockvecp);
#endif
}
#define RIPSIZE(n) \