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Turn '#if NSNP > 0' into an option.

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This commit is contained in:
Peter Wemm 2001-01-29 09:43:36 +00:00
parent 03927d3c33
commit 810d0bd1a9
3 changed files with 10 additions and 7 deletions
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2
sys/conf/files
View File

@ -693,7 +693,7 @@ kern/tty_compat.c standard
kern/tty_conf.c standard
kern/tty_cons.c standard
kern/tty_pty.c optional pty
kern/tty_snoop.c count snp
kern/tty_snoop.c optional snp
kern/tty_subr.c standard
kern/tty_tty.c standard
kern/uipc_accf.c optional inet

3
sys/conf/options
View File

@ -485,3 +485,6 @@ ACPI_NO_ENABLE_ON_BOOT opt_acpi.h
# options for DEVFS, see sys/fs/devfs/devfs.h
NDEVFSINO opt_devfs.h
NDEVFSOVERFLOW opt_devfs.h
# various 'device presence' options.
DEV_SNP opt_snp.h

12
sys/kern/tty.c
View File

@ -67,7 +67,7 @@
* only when _all_ openers leave open().
*/
#include "snp.h"
#include "opt_snp.h"
#include "opt_compat.h"
#include "opt_uconsole.h"
@ -91,7 +91,7 @@
#include <sys/resourcevar.h>
#include <sys/malloc.h>
#include <sys/filedesc.h>
#if NSNP > 0
#ifdef DEV_SNP
#include <sys/snoop.h>
#endif
#include <sys/sysctl.h>
@ -254,7 +254,7 @@ ttyclose(tp)
clist_free_cblocks(&tp->t_outq);
clist_free_cblocks(&tp->t_rawq);
#if NSNP > 0
#ifdef DEV_SNP
if (ISSET(tp->t_state, TS_SNOOP) && tp->t_sc != NULL)
snpdown((struct snoop *)tp->t_sc);
#endif
@ -1612,7 +1612,7 @@ read:
* XXX if there was an error then we should ungetc() the
* unmoved chars and reduce icc here.
*/
#if NSNP > 0
#ifdef DEV_SNP
if (ISSET(tp->t_lflag, ECHO) &&
ISSET(tp->t_state, TS_SNOOP) && tp->t_sc != NULL)
snpin((struct snoop *)tp->t_sc, ibuf, icc);
@ -1659,7 +1659,7 @@ slowcase:
if (error)
/* XXX should ungetc(c, qp). */
break;
#if NSNP > 0
#ifdef DEV_SNP
/*
* Only snoop directly on input in echo mode. Non-echoed
* input will be snooped later iff the application echoes it.
@ -1812,7 +1812,7 @@ loop:
cc = 0;
break;
}
#if NSNP > 0
#ifdef DEV_SNP
if (ISSET(tp->t_state, TS_SNOOP) && tp->t_sc != NULL)
snpin((struct snoop *)tp->t_sc, cp, cc);
#endif