@c
@c COPYRIGHT (c) 1988-2002.
@c On-Line Applications Research Corporation (OAR).
@c All rights reserved.
@c
@c $Id$
@c

@chapter Key Manager

@section Introduction

The key manager ...

The directives provided by the key manager are:

@itemize @bullet
@item @code{pthread_key_create} - Create Thread Specific Data Key
@item @code{pthread_key_delete} - Delete Thread Specific Data Key
@item @code{pthread_setspecific} - Set Thread Specific Key Value
@item @code{pthread_getspecific} - Get Thread Specific Key Value
@end itemize

@section Background

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@section Operations

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@section Directives

This section details the key manager's directives.
A subsection is dedicated to each of this manager's directives
and describes the calling sequence, related constants, usage,
and status codes.

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@page
@subsection pthread_key_create - Create Thread Specific Data Key

@subheading CALLING SEQUENCE:

@example
#include <pthread.h>

int pthread_key_create(
  pthread_key_t *key,
  void (*destructor)( void )
);
@end example

@subheading STATUS CODES:

@table @b
@item EAGAIN
There were not enough resources available to create another key.

@item ENOMEM
Insufficient memory exists to create the key.

@end table

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@page
@subsection pthread_key_delete - Delete Thread Specific Data Key

@subheading CALLING SEQUENCE:

@example
#include <pthread.h>

int pthread_key_delete(
pthread_key_t key,
);
@end example

@subheading STATUS CODES:

@table @b
@item EINVAL
The key was invalid

@end table

@subheading DESCRIPTION:

@subheading NOTES:

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@page
@subsection pthread_setspecific - Set Thread Specific Key Value

@subheading CALLING SEQUENCE:

@example
#include <pthread.h>

int pthread_setspecific(
pthread_key_t key,
const void *value
);
@end example

@subheading STATUS CODES:
@table @b
@item EINVAL
The specified key is invalid.

@end table

@subheading DESCRIPTION:

@subheading NOTES:

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@subsection pthread_getspecific - Get Thread Specific Key Value

@subheading CALLING SEQUENCE:

@example
#include <pthread.h>

void *pthread_getspecific(
pthread_key_t key
);
@end example

@subheading STATUS CODES:
@table @b
@item NULL
There is no thread-specific data associated with the specified key.

@item non-NULL
The data associated with the specified key.

@end table

@subheading DESCRIPTION:

@subheading NOTES: