diff options
| author |   semarie <semarie@openbsd.org> | 2016-03-11 05:57:16 +0000 |
|---|---|---|
| committer | semarie <semarie@openbsd.org> | 2016-03-11 05:57:16 +0000 |
| commit | 9afe20ee26a2b29226619cab11edf42e1972f53a (patch) | |
| tree | bc4fcac4529e77c6cc38f80a5d908af5580bc3e1 /lib/libc | |
| parent | Mark up COLUMNS as an environment variable. (diff) | |
| download | wireguard-openbsd-9afe20ee26a2b29226619cab11edf42e1972f53a.tar.xz wireguard-openbsd-9afe20ee26a2b29226619cab11edf42e1972f53a.zip | |
pledge: define the meaning of passing NULL to one arguments of pledge(2) as "I
don't want to change the current value"
it changes only the `request' argument behaviour when NULL is passed:
previously it was traited as "" was passed.
with help from jmc@ for man-page
OK tb@ on previous version
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/sys/pledge.2 | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/libc/sys/pledge.2 b/lib/libc/sys/pledge.2 index f2ea4dbb2a2..674530198fe 100644 --- a/lib/libc/sys/pledge.2 +++ b/lib/libc/sys/pledge.2 @@ -1,4 +1,4 @@ -.\" $OpenBSD: pledge.2,v 1.25 2016/02/11 16:30:35 tim Exp $ +.\" $OpenBSD: pledge.2,v 1.26 2016/03/11 05:57:16 semarie Exp $ .\" .\" Copyright (c) 2015 Nicholas Marriott <nicm@openbsd.org> .\" @@ -14,7 +14,7 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: February 11 2016 $ +.Dd $Mdocdate: March 11 2016 $ .Dt PLEDGE 2 .Os .Sh NAME @@ -55,6 +55,14 @@ system call. This can be used for pure computation operating on memory shared with another process. .Pp +Passing +.Dv NULL +to +.Fa promises +or +.Fa paths +specifies to not change the current value. +.Pp Some system calls, when allowed, have restrictions applied to them: .Pp .Bl -tag -width "readlink(2)" -offset indent -compact @@ -527,6 +535,7 @@ A whitelist of permitted paths may be provided in .Ar paths . All other paths will return .Er ENOENT . +At least one promise is required to be pledged in order to activate whitelist. .Sh RETURN VALUES .Rv -std .Sh ERRORS |