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Removed unused #includes.

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Fixed nonblocking mode.  It was per-device instead of per-file.  This
also fixes clobbering of bd_rtout by overloading it to hold a wrong
version of the blocking flag.  I hope nothing depends on the bugs.
This commit is contained in:
Bruce Evans 1997-11-18 16:29:53 +00:00
parent e81b65dbdc
commit fba9235d76
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=31282
1 changed files with 6 additions and 18 deletions
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24
sys/net/bpf.c
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@ -37,7 +37,7 @@
*
* @(#)bpf.c 8.2 (Berkeley) 3/28/94
*
* $Id: bpf.c,v 1.34 1997/09/16 11:43:42 bde Exp $
* $Id: bpf.c,v 1.35 1997/10/03 21:32:05 julian Exp $
*/
#include "bpfilter.h"
@ -55,7 +55,6 @@
#include <sys/conf.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/buf.h>
#include <sys/time.h>
#include <sys/proc.h>
#include <sys/signalvar.h>
@ -63,28 +62,22 @@
#include <sys/sockio.h>
#include <sys/ttycom.h>
#include <sys/fcntl.h>
#if defined(sparc) && BSD < 199103
#include <sys/stream.h>
#endif
#include <sys/uio.h>
#include <sys/poll.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/protosw.h>
#include <net/if.h>
#include <sys/vnode.h>
#include <net/if.h>
#include <net/bpf.h>
#include <net/bpfdesc.h>
#include <sys/errno.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <sys/kernel.h>
#include <sys/sysctl.h>
#include <sys/conf.h>
#ifdef DEVFS
#include <sys/devfsext.h>
#endif /*DEVFS*/
@ -465,11 +458,11 @@ bpfread(dev, uio, ioflag)
ROTATE_BUFFERS(d);
break;
}
if (d->bd_rtout != -1)
if (ioflag & IO_NDELAY)
error = EWOULDBLOCK;
else
error = BPF_SLEEP((caddr_t)d, PRINET|PCATCH, "bpf",
d->bd_rtout);
else
error = EWOULDBLOCK; /* User requested non-blocking I/O */
if (error == EINTR || error == ERESTART) {
splx(s);
return (error);
@ -822,12 +815,7 @@ bpfioctl(dev, cmd, addr, flags, p)
break;
}
case FIONBIO: /* Non-blocking I/O */
if (*(int *)addr)
d->bd_rtout = -1;
else
d->bd_rtout = 0;
break;
case FIOASYNC: /* Send signal on receive packets */