Date: Thu, 16 Apr 2026 06:06:25 +0000 From: Warner Losh <imp@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Cc: brothersw <tyler.waddell112@gmail.com> Subject: git: 32cc01e75aab - main - sysctl.3: Correct kern and kern.proc type descriptions Message-ID: <69e07c61.3d3ae.5f63595b@gitrepo.freebsd.org>
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The branch main has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=32cc01e75aabc117c2c19c25291aa25eb1ec3cef commit 32cc01e75aabc117c2c19c25291aa25eb1ec3cef Author: brothersw <tyler.waddell112@gmail.com> AuthorDate: 2026-04-07 18:45:08 +0000 Commit: Warner Losh <imp@FreeBSD.org> CommitDate: 2026-04-16 06:05:20 +0000 sysctl.3: Correct kern and kern.proc type descriptions Fix several incorrect sysctl.3 type and mutability descriptions so the manpage matches the actual kern and kern.proc interfaces. Signed-off-by: Tyler Waddell <tyler.waddell112@gmail.com> Reviewed by: imp Pull Request: https://github.com/freebsd/freebsd-src/pull/2128 --- lib/libc/gen/sysctl.3 | 27 +++++++++++++++++---------- 1 file changed, 17 insertions(+), 10 deletions(-) diff --git a/lib/libc/gen/sysctl.3 b/lib/libc/gen/sysctl.3 index ef897c653728..75fd6307bd30 100644 --- a/lib/libc/gen/sysctl.3 +++ b/lib/libc/gen/sysctl.3 @@ -25,7 +25,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd July 31, 2025 +.Dd April 15, 2026 .Dt SYSCTL 3 .Os .Sh NAME @@ -325,7 +325,7 @@ information. .Bl -column "KERNXMAXFILESPERPROCXXX" "struct clockrateXXX" -offset indent .It Sy Second Level Name Ta Sy Type Ta Sy Changeable .It Dv KERN_ARGMAX Ta integer Ta no -.It Dv KERN_ARND Ta integer Ta no +.It Dv KERN_ARND Ta byte buffer Ta no .It Dv KERN_BOOTFILE Ta string Ta yes .It Dv KERN_BOOTTIME Ta struct timeval Ta no .It Dv KERN_CLOCKRATE Ta struct clockinfo Ta no @@ -333,7 +333,7 @@ information. .It Dv KERN_HOSTID Ta integer Ta yes .It Dv KERN_HOSTUUID Ta string Ta yes .It Dv KERN_HOSTNAME Ta string Ta yes -.It Dv KERN_IOV_MAX Ta integer Ta yes +.It Dv KERN_IOV_MAX Ta integer Ta no .It Dv KERN_JOB_CONTROL Ta integer Ta no .It Dv KERN_LOCKF Ta struct kinfo_lockf Ta no .It Dv KERN_LOGSIGEXIT Ta integer Ta yes @@ -457,7 +457,7 @@ the currently installed userland. .It Li KERN_OSRELEASE The system release string. .It Li KERN_OSREV -The system revision string. +The system revision number. .It Li KERN_OSTYPE The system type string. .It Li KERN_POSIX1 @@ -501,14 +501,14 @@ specifies the current process. .It Dv KERN_PROC_GROUPS Ta "gid_t []" .It Dv KERN_PROC_ENV Ta "Set of strings" .It Dv KERN_PROC_AUXV Ta "Elf_Auxinfo []" -.It Dv KERN_PROC_RLIMIT Ta "Integer" -.It Dv KERN_PROC_PS_STRINGS Ta "Integer" +.It Dv KERN_PROC_RLIMIT Ta "struct rlimit" +.It Dv KERN_PROC_PS_STRINGS Ta "Pointer to struct ps_strings" .It Dv KERN_PROC_UMASK Ta "Integer/short" .It Dv KERN_PROC_OSREL Ta "Integer" -.It Dv KERN_PROC_SIGTRAMP Ta "Integer" -.It Dv KERN_PROC_CWD Ta "String" +.It Dv KERN_PROC_SIGTRAMP Ta "struct kinfo_sigtramp" +.It Dv KERN_PROC_CWD Ta "struct kinfo_file" .It Dv KERN_PROC_NFDS Ta "Integer" -.It Dv KERN_PROC_SIGFASTBLK Ta "Integer" +.It Dv KERN_PROC_SIGFASTBLK Ta "Address" .It Dv KERN_PROC_VM_LAYOUT Ta "struct kinfo_vm_layout" .It Dv KERN_PROC_RLIMIT_USAGE Ta "rlim_t []" .It Dv KERN_PROC_KQUEUE Ta "struct kinfo_knote []" @@ -570,7 +570,8 @@ Read from the note of the elf executable at time. Might be modified by the process. .It Dv KERN_PROC_SIGTRAMP -Address of the signal trampoline in the process address space, +Structure describing the address range of the signal trampoline in the +process address space, where, simplifying, the kernel passes control for signal delivery. .It Dv KERN_PROC_CWD Returns the current working directory for the process. @@ -586,6 +587,12 @@ Fills a structure describing process virtual address space layout. Like .Dv KERN_PROC_RLIMIT , but instead of the limit, returns the accounted resource usage. +If the MIB is of the form +.Li kern.proc.rlimit_usage\&. Ns Va pid , +usage values for all resources are returned. +If the MIB is of the form +.Li kern.proc.rlimit_usage\&. Ns Va pid Ns \&. Ns Va resource , +the usage value for the specified resource is returned. For resources which do not have a meaningful current value, .Li \-1 is returned.home | help
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