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-rw-r--r--lib/libc/gen/sysctl.388
1 files changed, 87 insertions, 1 deletions
diff --git a/lib/libc/gen/sysctl.3 b/lib/libc/gen/sysctl.3
index 5ba3f08b7b9..de1053d42aa 100644
--- a/lib/libc/gen/sysctl.3
+++ b/lib/libc/gen/sysctl.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: sysctl.3,v 1.95 2002/11/25 03:04:48 wcobb Exp $
+.\" $OpenBSD: sysctl.3,v 1.96 2002/12/17 23:11:32 millert Exp $
.\"
.\" Copyright (c) 1993
.\" The Regents of the University of California. All rights reserved.
@@ -304,6 +304,8 @@ information.
.It Dv KERN_RND No " struct rndstats no"
.It Dv KERN_SAVED_IDS No " integer no"
.It Dv KERN_SECURELVL No " integer raise only"
+.It Dv KERN_SEMINFO No " node not applicable"
+.It Dv KERN_SHMINFO No " node not applicable"
.It Dv KERN_SOMINCONN No " integer yes"
.It Dv KERN_SOMAXCONN No " integer yes"
.It Dv KERN_SYSVIPC_INFO No " node not applicable"
@@ -535,6 +537,90 @@ Returns 1 if saved set-group-ID and saved set-user-ID are available.
The system security level.
This level may be raised by processes with appropriate privileges.
It may only be lowered by process 1.
+.It Dv KERN_SEMINFO
+Return the elements of
+.Li struct seminfo .
+If the kernel is not compiled with System V style semaphore support,
+attempts to retrieve any of the
+.Dv KERN_SEMINFO
+values will fail with
+.Er EOPNOTSUPP .
+The third level names for the elements of
+.Li struct seminfo
+are detailed below.
+The changeable column shows whether a process with appropriate
+privileges may change the value.
+.Bl -column "KERN_SEMINFO_SEMMNI" "integer" "yes" -offset indent
+.It Sy "Third level name" Type Changeable
+.It Dv KERN_SEMINFO_SEMMNI integer yes
+.It Dv KERN_SEMINFO_SEMMNS integer yes
+.It Dv KERN_SEMINFO_SEMMNU integer yes
+.It Dv KERN_SEMINFO_SEMMSL integer yes
+.It Dv KERN_SEMINFO_SEMOPM integer yes
+.It Dv KERN_SEMINFO_SEMUME integer no
+.It Dv KERN_SEMINFO_SEMUSZ integer no
+.It Dv KERN_SEMINFO_SEMVMX integer no
+.It Dv KERN_SEMINFO_SEMAEM integer no
+.El
+.Pp
+The variables are as follows:
+.Bl -tag -width "123456"
+.It Dv KERN_SEMINFO_SEMMNI
+The maximum number of semaphore identifiers allowed.
+.It Dv KERN_SEMINFO_SEMMNS
+The maximum number of semaphores allowed in the system.
+.It Dv KERN_SEMINFO_SEMMNU
+The maximum number of semaphore undo structures allowed in the system.
+.It Dv KERN_SEMINFO_SEMMSL
+The maximum number of semaphores allowed per id.
+.It Dv KERN_SEMINFO_SEMOPM
+The maximum number of operations per
+.Xr semop 2
+call.
+.It Dv KERN_SEMINFO_SEMUME
+The maximum number of undo entries per process.
+.It Dv KERN_SEMINFO_SEMUSZ
+The size (in bytes) of the undo structure.
+.It Dv KERN_SEMINFO_SEMVMX
+The semaphore maximum value.
+.It Dv KERN_SEMINFO_SEMAEM
+The adjust on exit maximum value.
+.El
+.It Dv KERN_SHMINFO
+Return the elements of
+.Li struct shminfo .
+If the kernel is not compiled with System V style shared memory support,
+attempts to retrieve any of the
+.Dv KERN_SHMINFO
+values will fail with
+.Er EOPNOTSUPP .
+The third level names for the elements of
+.Li struct shminfo
+are detailed below.
+The changeable column shows whether a process with appropriate
+privileges may change the value.
+.Bl -column "KERN_SHMINFO_SHMMAX" "integer" "yes" -offset indent
+.It Sy "Third level name" Type Changeable
+.It Dv KERN_SHMINFO_SHMMAX integer yes
+.It Dv KERN_SHMINFO_SHMMIN integer yes
+.It Dv KERN_SHMINFO_SHMMNI integer yes
+.It Dv KERN_SHMINFO_SHMSEG integer yes
+.It Dv KERN_SHMINFO_SHMALL integer yes
+.El
+.Pp
+The variables are as follows:
+.Bl -tag -width "123456"
+.It Dv KERN_SHMINFO_SHMMAX
+The maximum shared memory segment size (in bytes).
+.It Dv KERN_SHMINFO_SHMMIN
+The minimum shared memory segment size (in bytes).
+.It Dv KERN_SHMINFO_SHMMNI
+The maximum number of shared memory identifiers in the system.
+.It Dv KERN_SHMINFO_SHMSEG
+The maximum number of shared memory segments per process.
+.It Dv KERN_SHMINFO_SHMALL
+The maximum amount of total shared memory allowed in the system (in pages).
+.El
.It Dv KERN_SOMAXCONN
Upper bound on the number of half-open connections a process can allow
to be associated with a socket, using