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.\" $FreeBSD: src/share/man/man3/pthread_switch_add_np.3,v 1.5 2007/10/22 10:08:01 ru Exp $
.\" $DragonFly: src/lib/libc_r/man/pthread_suspend_np.3,v 1.2 2003/06/17 04:26:48 dillon Exp $
.\"
.Dd July 10, 2009
.Dt PTHREAD_SUSPEND_NP 3
.Os
.Sh NAME
.Nm pthread_suspend_np
.Nd suspend a thread
.Sh LIBRARY
.Lb libpthread
.Sh SYNOPSIS
.In pthread.h
.In pthread_np.h
.Ft int
.Fn pthread_suspend_np "pthread_t tid"
.Sh DESCRIPTION
The
.Fn pthread_suspend_np
function, called on an active thread, causes it to suspend.
.Sh RETURN VALUES
If successful,
.Fn pthread_suspend_np
function returns 0.
Otherwise, an error number is returned to indicate the error.
.Sh ERRORS
The
.Fn pthread_suspend_np
function will fail if:
.Bl -tag -width Er
.It Bq Er EDEADLK
An attempt was made to suspend the current thread.
.It Bq Er EINVAL
The value specified by the
.Fa tid
argument is invalid.
.It Bq ESRC
No thread could be found corresponding to the thread ID specified by the
.Fa tid
argument.
.El
.Sh SEE ALSO
.Xr pthread_resume_all_np 3 ,
.Xr pthread_resume_np 3 ,
.Xr pthread_suspend_all_np 3
.Sh AUTHORS
This manual page was written by
.An Alexey Zelkin Aq phantom@FreeBSD.org .