diff options
Diffstat (limited to 'usr.bin/lockf/lockf.1')
| -rw-r--r-- | usr.bin/lockf/lockf.1 | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/usr.bin/lockf/lockf.1 b/usr.bin/lockf/lockf.1 index f3ad6df..be9d9cc 100644 --- a/usr.bin/lockf/lockf.1 +++ b/usr.bin/lockf/lockf.1 @@ -32,7 +32,7 @@ .Nd execute a command while holding a file lock .Sh SYNOPSIS .Nm -.Op Fl ks +.Op Fl kns .Op Fl t Ar seconds .Ar file .Ar command @@ -90,6 +90,18 @@ Causes .Nm to operate silently. Failure to acquire the lock is indicated only in the exit status. +.It Fl n +Causes +.Nm +to fail if the specified lock +.Ar file +does not exist. If +.Fl n +is not specified, +.Nm +will create +.Ar file +if necessary. .It Fl t Ar seconds Specifies a timeout for waiting for the lock. By default, @@ -130,6 +142,10 @@ The utility was unable to create the lock file, e.g., because of insufficient access privileges. +.It Dv EX_UNAVAILABLE +The +.Fl n +option is specified and the specified lock file does not exist. .It Dv EX_USAGE There was an error on the .Nm |
