add sysctl and sysconf support for sysvsem, sysvshm, sysvmsg, and fsync; mostly from kleink

3 files changed, 38 insertions, 4 deletions

diff --git a/sys/kern/kern_sysctl.c b/sys/kern/kern_sysctl.c
index 241fe031c66..c0d0316cfa7 100644
--- a/sys/kern/kern_sysctl.c
+++ b/sys/kern/kern_sysctl.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: kern_sysctl.c,v 1.24 1997/12/08 21:25:37 deraadt Exp $	*/
+/*	$OpenBSD: kern_sysctl.c,v 1.25 1998/06/02 06:10:28 deraadt Exp $	*/
 /*	$NetBSD: kern_sysctl.c,v 1.17 1996/05/20 17:49:05 mrg Exp $	*/
 
 /*-
@@ -307,6 +307,26 @@ kern_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p)
 		    sizeof(rndstats)));
 	case KERN_NOSUIDCOREDUMP:
 		return (sysctl_int(oldp, oldlenp, newp, newlen, &nosuidcoredump));
+	case KERN_FSYNC:
+		return (sysctl_rdint(oldp, oldlenp, newp, 1));
+	case KERN_SYSVMSG:
+#ifdef SYSVMSG
+		return (sysctl_rdint(oldp, oldlenp, newp, 1));
+#else
+		return (sysctl_rdint(oldp, oldlenp, newp, 0));
+#endif
+	case KERN_SYSVSEM:
+#ifdef SYSVSEM
+		return (sysctl_rdint(oldp, oldlenp, newp, 1));
+#else
+		return (sysctl_rdint(oldp, oldlenp, newp, 0));
+#endif
+	case KERN_SYSVSHM:
+#ifdef SYSVSHM
+		return (sysctl_rdint(oldp, oldlenp, newp, 1));
+#else
+		return (sysctl_rdint(oldp, oldlenp, newp, 0));
+#endif
 	default:
 		return (EOPNOTSUPP);
 	}
diff --git a/sys/sys/sysctl.h b/sys/sys/sysctl.h
index 13aeb2fcb94..4b47e752a8c 100644
--- a/sys/sys/sysctl.h
+++ b/sys/sys/sysctl.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sysctl.h,v 1.24 1998/03/15 17:20:34 millert Exp $	*/
+/*	$OpenBSD: sysctl.h,v 1.25 1998/06/02 06:10:30 deraadt Exp $	*/
 /*	$NetBSD: sysctl.h,v 1.16 1996/04/09 20:55:36 cgd Exp $	*/
 
 /*
@@ -146,7 +146,11 @@ struct ctlname {
 #define	KERN_USERMOUNT		30	/* int: users may mount filesystems */
 #define KERN_RND		31	/* struct: rnd(4) statistics */
 #define KERN_NOSUIDCOREDUMP	32	/* int: no setuid coredumps ever */ 
-#define	KERN_MAXID		33	/* number of valid kern ids */
+#define	KERN_FSYNC		33      /* int: file synchronization support */
+#define	KERN_SYSVMSG		34      /* int: SysV message queue suppoprt */
+#define	KERN_SYSVSEM		35      /* int: SysV semaphore support */
+#define	KERN_SYSVSHM		36      /* int: SysV shared memory support */
+#define	KERN_MAXID		37	/* number of valid kern ids */
 
 #define CTL_KERN_NAMES { \
 	{ 0, 0 }, \
@@ -182,6 +186,10 @@ struct ctlname {
 	{ "usermount", CTLTYPE_INT }, \
 	{ "random", CTLTYPE_STRUCT }, \
 	{ "nosuidcoredump", CTLTYPE_INT }, \
+	{ "fsync", CTLTYPE_INT }, \
+	{ "sysvmsg", CTLTYPE_INT }, \
+	{ "sysvsem", CTLTYPE_INT }, \
+	{ "sysvshm", CTLTYPE_INT }, \
 }
 
 /*
diff --git a/sys/sys/unistd.h b/sys/sys/unistd.h
index d0d760e61e2..72ab54ff00d 100644
--- a/sys/sys/unistd.h
+++ b/sys/sys/unistd.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: unistd.h,v 1.5 1996/10/26 06:54:43 tholo Exp $	*/
+/*	$OpenBSD: unistd.h,v 1.6 1998/06/02 06:10:31 deraadt Exp $	*/
 /*	$NetBSD: unistd.h,v 1.10 1994/06/29 06:46:06 cgd Exp $	*/
 
 /*
@@ -54,6 +54,8 @@
 #define	_POSIX_NO_TRUNC		1
 				/* may disable terminal special characters */
 #define	_POSIX_VDISABLE		(0377)
+				/* file syncronization is available */
+#define	_POSIX_FSYNC		1
 
 /* access function */
 #define	F_OK		0	/* test for existence of file */
@@ -112,6 +114,10 @@
 #define	_SC_2_UPE		25
 #define	_SC_STREAM_MAX		26
 #define	_SC_TZNAME_MAX		27
+#define	_SC_PAGESIZE		28
+#define	_SC_PAGE_SIZE		_SC_PAGESIZE	/* 1170 compatibility */
+#define	_SC_FSYNC		29
+#define	_SC_XOPEN_SHM		30
 
 /* configurable system strings */
 #define	_CS_PATH		 1