Add & hookup manpage for pthread_attr_get_np(3).

MFC after:	3 days
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phantom 2002-10-26 15:04:29 +00:00
parent 312cab0dee
commit 0fc7234ce3
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.PATH: ${.CURDIR}/man
MAN+= pthread_attr.3 \
pthread_attr_get_np.3 \
pthread_cancel.3 \
pthread_cleanup_pop.3 \
pthread_cleanup_push.3 \

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.\" Copyright (c) 2002 Alexey Zelkin <phantom@FreeBSD.org>
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 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.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.Dd October 26, 2002
.Dt PTHREAD_ATTR_GET_NP 3
.Os
.Sh NAME
.Nm pthread_attr_get_np
.Nd get attributes of existent thread
.Sh LIBRARY
.Lb libc_r
.Sh SYNOPSIS
.In pthread_np.h
.Ft int
.Fn pthread_attr_get_np "pthread_t *pid" "pthread_attr_t *dst"
.Sh DESCRIPTION
The
.Fn pthread_attr_get_np
function is used to get existent thread's attributes.
Value returned as
.Fa dst
is supposed to be used in conjunction with
.Fn pthread_attr_get*
functions to retrive individual values from
.Ft pthread_attr_t
structure. Parameter
.Fa dst
should point to allocated memory area big enough to fit this structure.
It's HIGHLY RECOMENDED to use
.Xr pthread_attr_init 3
function to allocate attribute storage.
.Sh EXAMPLES
.Bd -literal
size_t
my_thread_stack_size(pthread_t pid)
{
pthread_attr_t attr;
size_t size;
pthread_attr_init(&attr);
pthread_attr_get_np(&pid, &attr);
pthread_attr_getstacksize(&attr, &size);
pthread_attr_destroy(&attr);
return(size);
}
.Ed
.Sh RETURN VALUES
If successful,
.Fn pthread_attr_get_np
function returns 0.
Otherwise, an error number is returned to indicate the error.
.Sh ERRORS
.Fn pthread_attr_get_np
will fail if:
.Bl -tag -width Er
.It Bq Er EINVAL
Invalid value for one of given parameters.
.El
.Bl -tag -width Er
.It Bq Er ESRCH
No thread could be found corresponding to that specified by the given
thread ID.
.El
.Sh SEE ALSO
.Xr pthread_attr_init 3 ,
.Xr pthread_attr_destroy 3 ,
.Xr pthread_attr_getstacksize 3 ,
.Xr pthread_attr_getstackaddr 3 ,
.Xr pthread_attr_getdetachstate 3 ,
.Xr pthread_attr_getinheritsched 3 ,
.Xr pthread_attr_getschedparam 3 ,
.Xr pthread_attr_getschedpolicy 3 ,
.Xr pthread_attr_getscope 3

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.\" Copyright (c) 2002 Alexey Zelkin <phantom@FreeBSD.org>
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 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.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.Dd October 26, 2002
.Dt PTHREAD_ATTR_GET_NP 3
.Os
.Sh NAME
.Nm pthread_attr_get_np
.Nd get attributes of existent thread
.Sh LIBRARY
.Lb libc_r
.Sh SYNOPSIS
.In pthread_np.h
.Ft int
.Fn pthread_attr_get_np "pthread_t *pid" "pthread_attr_t *dst"
.Sh DESCRIPTION
The
.Fn pthread_attr_get_np
function is used to get existent thread's attributes.
Value returned as
.Fa dst
is supposed to be used in conjunction with
.Fn pthread_attr_get*
functions to retrive individual values from
.Ft pthread_attr_t
structure. Parameter
.Fa dst
should point to allocated memory area big enough to fit this structure.
It's HIGHLY RECOMENDED to use
.Xr pthread_attr_init 3
function to allocate attribute storage.
.Sh EXAMPLES
.Bd -literal
size_t
my_thread_stack_size(pthread_t pid)
{
pthread_attr_t attr;
size_t size;
pthread_attr_init(&attr);
pthread_attr_get_np(&pid, &attr);
pthread_attr_getstacksize(&attr, &size);
pthread_attr_destroy(&attr);
return(size);
}
.Ed
.Sh RETURN VALUES
If successful,
.Fn pthread_attr_get_np
function returns 0.
Otherwise, an error number is returned to indicate the error.
.Sh ERRORS
.Fn pthread_attr_get_np
will fail if:
.Bl -tag -width Er
.It Bq Er EINVAL
Invalid value for one of given parameters.
.El
.Bl -tag -width Er
.It Bq Er ESRCH
No thread could be found corresponding to that specified by the given
thread ID.
.El
.Sh SEE ALSO
.Xr pthread_attr_init 3 ,
.Xr pthread_attr_destroy 3 ,
.Xr pthread_attr_getstacksize 3 ,
.Xr pthread_attr_getstackaddr 3 ,
.Xr pthread_attr_getdetachstate 3 ,
.Xr pthread_attr_getinheritsched 3 ,
.Xr pthread_attr_getschedparam 3 ,
.Xr pthread_attr_getschedpolicy 3 ,
.Xr pthread_attr_getscope 3