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1.\" Copyright (c) 2003 Alexey Zelkin <phantom@FreeBSD.org>
2.\" All rights reserved.
3.\"
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15acf97d 25.\" $FreeBSD: src/share/man/man3/pthread_multi_np.3,v 1.7 2007/10/22 10:08:00 ru Exp $
984263bc 26.\"
15acf97d 27.Dd July 10, 2009
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28.Dt PTHREAD_MULTI_NP 3
29.Os
30.Sh NAME
31.Nm pthread_multi_np ,
32.Nm pthread_single_np
33.Nd "switch between multi- and single-threaded scheduling modes"
34.Sh LIBRARY
9964d5ef 35.Lb libpthread
984263bc 36.Sh SYNOPSIS
d1428a72 37.In pthread.h
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38.In pthread_np.h
39.Ft int
40.Fn pthread_multi_np void
41.Ft int
42.Fn pthread_single_np void
43.Sh DESCRIPTION
44The
45.Fn pthread_single_np
46function switches the process to a single-threaded mode, i.e.,
47suspends all threads except the current.
48The semantics of this function is similar to
49.Xr pthread_suspend_all_np 3 .
50.Pp
51The
52.Fn pthread_multi_np
53function switches the process to a multi-threaded mode.
54The semantics of this function is similar to
55.Xr pthread_resume_all_np 3 .
56.Sh RETURN VALUES
57The
58.Fn pthread_multi_np
59and
60.Nm pthread_single_np
61functions always return 0.
62.Sh SEE ALSO
63.Xr pthread_resume_all_np 3 ,
64.Xr pthread_suspend_all_np 3
65.Sh AUTHORS
66This manual page was written by
98b3d9ad 67.An Alexey Zelkin Aq Mt phantom@FreeBSD.org .