.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
-.\" 3. All advertising materials mentioning features or use of this software
-.\" must display the following acknowledgement:
-.\" This product includes software developed by the University of
-.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\" SUCH DAMAGE.
.\"
.\" @(#)sleep.3 8.1 (Berkeley) 6/4/93
-.\" $FreeBSD: src/lib/libc/gen/sleep.3,v 1.15 2001/10/01 16:08:51 ru Exp $
+.\" $FreeBSD: src/lib/libc/gen/sleep.3,v 1.17 2007/01/09 00:27:55 imp Exp $
.\"
.Dd February 13, 1998
.Dt SLEEP 3
.Os
.Sh NAME
.Nm sleep
-.Nd suspend process execution for an interval measured in seconds
+.Nd suspend thread execution for an interval measured in seconds
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.Sh DESCRIPTION
The
.Fn sleep
-function suspends execution of the calling process until either
+function suspends execution of the calling thread until either
.Fa seconds
-seconds have elapsed or a signal is delivered to the process and its
+seconds have elapsed or a signal is delivered to the thread and its
action is to invoke a signal-catching function or to terminate the
-process.
+thread or process.
System activity may lengthen the sleep by an indeterminate amount.
.Pp
This function is implemented using
If the
.Fn sleep
function returns because the requested time has elapsed, the value
-returned will be zero. If the
+returned will be zero.
+If the
.Fn sleep
function returns due to the delivery of a signal, the value returned
will be the unslept amount (the requested time minus the time actually
projects / apple / libc.git / blobdiff