diff options
Diffstat (limited to 'share')
| -rw-r--r-- | share/man/man9/make_dev.9 | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/share/man/man9/make_dev.9 b/share/man/man9/make_dev.9 index 2281d8f..05cf212 100644 --- a/share/man/man9/make_dev.9 +++ b/share/man/man9/make_dev.9 @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd October 24, 2010 +.Dd May 03, 2011 .Dt MAKE_DEV 9 .Os .Sh NAME @@ -33,6 +33,7 @@ .Nm make_dev_credf , .Nm make_dev_p , .Nm make_dev_alias , +.Nm make_dev_alias_p , .Nm destroy_dev , .Nm destroy_dev_sched , .Nm destroy_dev_sched_cb , @@ -54,6 +55,8 @@ and DEVFS registration for devices .Fn make_dev_p "int flags" "struct cdev **cdev" "struct cdevsw *devsw" "struct ucred *cr" "uid_t uid" "gid_t gid" "int mode" "const char *fmt" ... .Ft struct cdev * .Fn make_dev_alias "struct cdev *pdev" "const char *fmt" ... +.Ft int +.Fn make_dev_alias_p "int flags" "struct cdev **cdev" "struct cdev *pdev" "const char *fmt" ... .Ft void .Fn destroy_dev "struct cdev *dev" .Ft void @@ -149,6 +152,15 @@ created device will be never destroyed return an error if the device name is invalid or already exists .El .Pp +Only +.Dv MAKEDEV_NOWAIT , +.Dv MAKEDEV_WAITOK +and +.Dv MAKEDEV_CHECKNAME +values are accepted for the +.Fn make_dev_alias_p +function. +.Pp The .Dv MAKEDEV_WAITOK flag is assumed if none of @@ -214,6 +226,13 @@ It is an error to call prior to calling .Fn make_dev . .Pp +.Fn make_dev_alias_p +function is similar to +.Fn make_dev_alias +but it takes a pointer to the resulting +.Ft *cdev +as an argument and may return an error. +.Pp The .Fa cdev returned by @@ -321,6 +340,8 @@ pointer, otherwise it will return .Sh ERRORS The .Fn make_dev_p +and +.Fn make_dev_alias_p call will fail and the device will be not registered if: .Bl -tag -width Er .It Bq Er ENOMEM |
