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| author | ru <ru@FreeBSD.org> | 2004-03-26 08:05:39 +0000 |
|---|---|---|
| committer | ru <ru@FreeBSD.org> | 2004-03-26 08:05:39 +0000 |
| commit | 6320e86ac0d131505b7743b30ec85385ea079796 (patch) | |
| tree | 21002e0bdc9e3fcae5ecd0818114f7a7c2e0b276 /lib/libkvm | |
| parent | b8af1b3b307d3f62346da7a93095f17ce363e33e (diff) | |
| download | FreeBSD-src-6320e86ac0d131505b7743b30ec85385ea079796.zip FreeBSD-src-6320e86ac0d131505b7743b30ec85385ea079796.tar.gz | |
Document that kvm_open(3) also accepts "/dev/null" as a special
"corefile" argument, to access the running system via sysctl(3)
if possible, thus not requring special setgid privileges.
Diffstat (limited to 'lib/libkvm')
| -rw-r--r-- | lib/libkvm/kvm_open.3 | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/lib/libkvm/kvm_open.3 b/lib/libkvm/kvm_open.3 index 0d2706e..2e2794f 100644 --- a/lib/libkvm/kvm_open.3 +++ b/lib/libkvm/kvm_open.3 @@ -36,7 +36,7 @@ .\" @(#)kvm_open.3 8.3 (Berkeley) 4/19/94 .\" $FreeBSD$ .\" -.Dd April 19, 1994 +.Dd January 29, 2004 .Dt KVM_OPEN 3 .Os .Sh NAME @@ -78,7 +78,9 @@ as determined from .Pp The .Fa corefile -argument is the kernel memory device file. It can be either /dev/mem +argument is the kernel memory device file. +It can be either +.Pa /dev/mem or a crash dump core generated by .Xr savecore 8 . If @@ -87,7 +89,14 @@ is .Dv NULL , the default indicated by .Dv _PATH_MEM -from <paths.h> is used. +from +.In paths.h +is used. +It can also be set to a special value +.Pa /dev/null +by utilities like +.Xr ps 1 +that do not directly access kernel memory. .Pp The .Fa swapfile @@ -190,4 +199,6 @@ left little choice. .Xr kvm_getprocs 3 , .Xr kvm_nlist 3 , .Xr kvm_read 3 , -.Xr kvm_write 3 +.Xr kvm_write 3 , +.Xr kmem 4 , +.Xr mem 4 |
