.\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
.\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.\" $FreeBSD: src/lib/libc_r/man/pthread_sigmask.3,v 1.9 2001/10/01 16:09:09 ru Exp $
-.Dd April 27, 2000
-.Dt PTHREAD_SIGMASK 2
+.\" $FreeBSD$
+.Dd February 19, 2011
+.Dt PTHREAD_SIGMASK 3
.Os
.Sh NAME
.Nm pthread_sigmask
.Sh SYNOPSIS
.In signal.h
.Ft int
-.Fo pthread_sigmask
-.Fa "int how"
-.Fa "const sigset_t *restrict set"
-.Fa "sigset_t *restrict oset"
-.Fc
+.Fn pthread_sigmask "int how" "const sigset_t * restrict set" \
+ "sigset_t * restrict oset"
.Sh DESCRIPTION
The
.Fn pthread_sigmask
returns 0.
Otherwise, an error is returned.
.Sh ERRORS
+The
.Fn pthread_sigmask
-will fail if:
+function will fail if:
.Bl -tag -width Er
.It Bq Er EINVAL
.Fa how