diff options
| -rw-r--r-- | share/man/man9/make_dev.9 | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/share/man/man9/make_dev.9 b/share/man/man9/make_dev.9 index 92ac166cc3e98..c4df140bc41bc 100644 --- a/share/man/man9/make_dev.9 +++ b/share/man/man9/make_dev.9 @@ -36,6 +36,8 @@ .Fd #include <sys/conf.h> .Ft dev_t .Fn make_dev "struct cdevsw *cdevsw" "int minor" "uid_t uid" "gid_t gid" "int perms" "char *fmt" ... +.Ft dev_t +.Fn make_dev_alias "dev_t pdev" "char *fmt" ... .Ft void .Fn destroy_dev "dev_t dev" .Sh DESCRIPTION @@ -80,12 +82,26 @@ are defined in .Ed .Pp The +.Fn make_dev_alias +function takes the returned +.Fa dev_t +from +.Fn make_dev +and makes another (aliased) name for this device. It is an error to call +.Fn make_dev_alias +prior to calling +.Fn make_dev . +.Pp +The .Fn destroy_dev function takes the returned .Fa dev_t from .Fn make_dev -and destroys the registration for that device. +and destroys the registration for that device. Do not call +.Fn destroy_dev +on devices that were created with +.Fn make_dev_alias . .Sh HISTORY The .Fn make_dev @@ -93,3 +109,7 @@ and .Fn destroy_dev functions first appeared in .Fx 4.0 . +The function +.Fn make_dev_alias +first appeared in +.Fx 4.1 . |