diff options
Diffstat (limited to 'share/man/man4/filemon.4')
-rw-r--r-- | share/man/man4/filemon.4 | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/share/man/man4/filemon.4 b/share/man/man4/filemon.4 index fe0c430..92876a3 100644 --- a/share/man/man4/filemon.4 +++ b/share/man/man4/filemon.4 @@ -31,7 +31,7 @@ .\" .\" $FreeBSD$ .\" -.Dd January 28, 2016 +.Dd March 9, 2016 .Dt FILEMON 4 .Os .Sh NAME @@ -125,6 +125,19 @@ function returns the value 0 if successful; otherwise the value \-1 is returned and the global variable .Va errno is set to indicate the error. +.Sh ERRORS +The +.Fn ioctl +system call +with +.Dv FILEMON_SET_FD +will fail if: +.Bl -tag -width Er +.It Bq Er EEXIST +The +.Nm +handle is already associated with a file descriptor. +.El .Sh FILES .Bl -tag -width ".Pa /dev/filemon" .It Pa /dev/filemon @@ -193,3 +206,6 @@ Only children of the set process are logged. Processes can escape being traced by double forking. This is not seen as a problem as the intended use is build monitoring, which does not make sense to have daemons for. +.Pp +Unloading the module may panic the system, thus requires using +.Ic kldunload -f . |