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-.\" Copyright (c) 2002,2003 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 January 31, 2003
-.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.
-Most fields of
-.Vt pthread_attr_t
-structure are exact values of attributes provided at thread creation
-time (as parameter to
-.Xr pthread_create 3
-function), except for the stack address.
-.Pp
-Value returned as
-.Fa dst
-is supposed to be used in conjunction with
-.Fn pthread_attr_get*
-functions to retrieve individual values from
-.Vt pthread_attr_t
-structure.
-Parameter
-.Fa dst
-should point to allocated memory area big enough to fit this structure.
-.Pp
-It is HIGHLY RECOMMENDED to use
-.Xr pthread_attr_init 3
-function to allocate attribute storage.
-.Sh IMPLEMENTATION NOTES
-The
-.Fn pthread_attr_get_np
-function will always return a pointer to the thread's real stack address,
-regardless of its value in the original attributes structure.
-.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
-The
-.Fn pthread_attr_get_np
-function will fail if:
-.Bl -tag -width Er
-.It Bq Er EINVAL
-Invalid value for one of given parameters.
-.It Bq Er ESRC
-No thread could be found corresponding to that specified by the given
-thread ID.
-.El
-.Sh SEE ALSO
-.Xr pthread_attr_destroy 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 ,
-.Xr pthread_attr_getstack 3 ,
-.Xr pthread_attr_getstackaddr 3 ,
-.Xr pthread_attr_getstacksize 3 ,
-.Xr pthread_attr_init 3
-.Sh AUTHORS
-The
-.Fn pthread_attr_get_np
-function and this manual page were written by
-.An Alexey Zelkin
-.Aq phantom@FreeBSD.org .
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