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75 lines
1.7 KiB
Groff
75 lines
1.7 KiB
Groff
.\" Copyright (c) 2004-2007 Apple Inc. All rights reserved.
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.Dd December 31, 2007
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.Dt PTHREAD_ATTR 3
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.Os
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.Sh NAME
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.Nm pthread_attr_getstackaddr ,
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.Nm pthread_attr_setstackaddr
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.Nd thread attribute operations
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.Sh SYNOPSIS
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.Fd #include <pthread.h>
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.Ft int
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.Fo pthread_attr_getstackaddr
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.Fa "const pthread_attr_t *restrict attr"
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.Fa "void **restrict stackaddr"
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.Fc
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.Ft int
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.Fo pthread_attr_setstackaddr
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.Fa "pthread_attr_t *attr"
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.Fa "void *stackaddr"
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.Fc
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.Sh DESCRIPTION
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Thread attributes are used to specify parameters to
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.Fn pthread_create .
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One attribute object can be used in multiple calls to
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.Fn pthread_create ,
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with or without modifications between calls.
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.Pp
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The functions
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.Fn pthread_attr_setstackaddr
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and
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.Fn pthread_attr_getstackaddr
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respectively, set and get the address at which the stack of the newly created thread should be located.
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The stackaddr attribute is set within the
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.Fa attr
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argument, which can subsequently be used as an argument to
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.Fn pthread_create .
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.Sh RETURN VALUES
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If successful, these functions return 0.
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Otherwise, an error number is returned to indicate the error.
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.Fn pthread_attr_getstackaddr
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returns the stackaddr attribute value in
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.Fa stackaddr
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if successful.
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.Sh ERRORS
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.Fn pthread_attr_setstackaddr
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will fail if:
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.Bl -tag -width Er
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.\" ========
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.It Bq Er EINVAL
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Invalid value for
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.Fa attr .
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.\" ========
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.El
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.Pp
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.Fn pthread_attr_getstackaddr
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will fail if:
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.Bl -tag -width Er
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.\" ========
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.It Bq Er EINVAL
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Invalid value for
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.Fa attr .
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.\" ========
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.El
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.Pp
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.Sh SEE ALSO
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.Xr pthread_create 3 ,
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.Xr pthread_attr_init 3 ,
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.Xr pthread_attr_setdetachstate 3 ,
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.Xr pthread_attr_setstacksize 3
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.Sh STANDARDS
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.Fn pthread_attr_setstackaddr ,
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.Fn pthread_attr_getstackaddr ,
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conform to
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.St -p1003.1-96
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