forked from Imagelibrary/rtems
Moved to cond.t and node information automatically generated
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@c
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@c COPYRIGHT (c) 1988-1998.
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@c On-Line Applications Research Corporation (OAR).
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@c All rights reserved.
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@c
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@c $Id$
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@c
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@ifinfo
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@node Condition Variable Manager, Condition Variable Manager Introduction, pthread_mutex_getprioceiling, Top
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@end ifinfo
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@chapter Condition Variable Manager
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@ifinfo
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@menu
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* Condition Variable Manager Introduction::
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* Condition Variable Manager Background::
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* Condition Variable Manager Operations::
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* Condition Variable Manager Directives::
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@end menu
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@end ifinfo
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@ifinfo
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@node Condition Variable Manager Introduction, Condition Variable Manager Background, Condition Variable Manager, Condition Variable Manager
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@end ifinfo
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@section Introduction
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The condition variable manager ...
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The directives provided by the condition variable manager are:
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@itemize @bullet
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@item @code{pthread_condattr_init} -
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@item @code{pthread_condattr_destroy} -
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@item @code{pthread_condattr_setpshared} -
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@item @code{pthread_condattr_getpshared} -
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@item @code{pthread_cond_init} -
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@item @code{pthread_cond_destroy} -
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@item @code{pthread_cond_signal} -
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@item @code{pthread_cond_broadcast} -
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@item @code{pthread_cond_wait} -
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@item @code{pthread_cond_timedwait} -
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@end itemize
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@ifinfo
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@node Condition Variable Manager Background, Condition Variable Manager Operations, Condition Variable Manager Introduction, Condition Variable Manager
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@end ifinfo
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@section Background
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@ifinfo
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@node Condition Variable Manager Operations, Condition Variable Manager Directives, Condition Variable Manager Background, Condition Variable Manager
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@end ifinfo
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@section Operations
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@ifinfo
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@node Condition Variable Manager Directives, pthread_condattr_init, Condition Variable Manager Operations, Condition Variable Manager
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@end ifinfo
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@section Directives
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@ifinfo
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@menu
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* pthread_condattr_init::
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* pthread_condattr_destroy::
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* pthread_condattr_setpshared::
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* pthread_condattr_getpshared::
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* pthread_cond_init::
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* pthread_cond_destroy::
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* pthread_cond_signal::
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* pthread_cond_broadcast::
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* pthread_cond_wait::
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* pthread_cond_timedwait::
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@end menu
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@end ifinfo
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This section details the condition variable manager's directives.
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A subsection is dedicated to each of this manager's directives
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and describes the calling sequence, related constants, usage,
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and status codes.
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@page
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@ifinfo
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@node pthread_condattr_init, pthread_condattr_destroy, Condition Variable Manager Directives, Condition Variable Manager Directives
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@end ifinfo
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@subsection pthread_condattr_init
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@subheading CALLING SEQUENCE:
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@example
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#include <pthread.h>
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int pthread_condattr_init(
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pthread_condattr_t *attr
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);
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@end example
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@subheading STATUS CODES:
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@table @b
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@item ENOMEM
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Insufficient memory is available to initialize the condition variable
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attributes object.
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@end table
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@subheading DESCRIPTION:
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@subheading NOTES:
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@page
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@ifinfo
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@node pthread_condattr_destroy, pthread_condattr_setpshared, pthread_condattr_init, Condition Variable Manager Directives
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@end ifinfo
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@subsection pthread_condattr_destroy
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@subheading CALLING SEQUENCE:
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@example
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#include <pthread.h>
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int pthread_condattr_destroy(
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pthread_condattr_t *attr
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);
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@end example
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@subheading STATUS CODES:
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@table @b
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@item EINVAL
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The attribute object specified is invalid.
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@end table
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@subheading DESCRIPTION:
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@subheading NOTES:
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@page
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@ifinfo
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@node pthread_condattr_setpshared, pthread_condattr_getpshared, pthread_condattr_destroy, Condition Variable Manager Directives
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@end ifinfo
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@subsection pthread_condattr_setpshared
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@subheading CALLING SEQUENCE:
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@example
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#include <pthread.h>
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int pthread_condattr_setpshared(
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pthread_condattr_t *attr,
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int pshared
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);
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@end example
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@subheading STATUS CODES:
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@table @b
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@item EINVAL
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Invalid argument passed.
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@end table
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@subheading DESCRIPTION:
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@subheading NOTES:
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@page
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@ifinfo
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@node pthread_condattr_getpshared, pthread_cond_init, pthread_condattr_setpshared, Condition Variable Manager Directives
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@end ifinfo
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@subsection pthread_condattr_getpshared
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@subheading CALLING SEQUENCE:
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@example
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#include <pthread.h>
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int pthread_condattr_getpshared(
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const pthread_condattr_t *attr,
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int *pshared
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);
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@end example
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@subheading STATUS CODES:
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@table @b
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@item EINVAL
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Invalid argument passed.
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@end table
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@subheading DESCRIPTION:
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@subheading NOTES:
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@page
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@ifinfo
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@node pthread_cond_init, pthread_cond_destroy, pthread_condattr_getpshared, Condition Variable Manager Directives
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@end ifinfo
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@subsection pthread_cond_init
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@subheading CALLING SEQUENCE:
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@example
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#include <pthread.h>
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int pthread_cond_init(
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pthread_cond_t *cond,
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const pthread_condattr_t *attr
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);
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@end example
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@subheading STATUS CODES:
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@table @b
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@item EAGAIN
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The system lacked a resource other than memory necessary to create the
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initialize the condition variable object.
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@item ENOMEM
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Insufficient memory is available to initialize the condition variable object.
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@item EBUSY
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The specified condition variable has already been initialized.
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@item EINVAL
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The specified attribute value is invalid.
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@end table
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@subheading DESCRIPTION:
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@subheading NOTES:
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@page
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@ifinfo
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@node pthread_cond_destroy, pthread_cond_signal, pthread_cond_init, Condition Variable Manager Directives
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@end ifinfo
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@subsection pthread_cond_destroy
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@subheading CALLING SEQUENCE:
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@example
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#include <pthread.h>
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int pthread_cond_destroy(
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pthread_cond_t *cond
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);
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@end example
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@subheading STATUS CODES:
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@table @b
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@item EINVAL
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The specified condition variable is invalid.
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@item EBUSY
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The specified condition variable is currently in use.
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@end table
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@subheading DESCRIPTION:
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@subheading NOTES:
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@page
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@ifinfo
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@node pthread_cond_signal, pthread_cond_broadcast, pthread_cond_destroy, Condition Variable Manager Directives
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@end ifinfo
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@subsection pthread_cond_signal
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@subheading CALLING SEQUENCE:
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@example
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#include <pthread.h>
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int pthread_cond_signal(
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pthread_cond_t *cond
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);
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@end example
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@subheading STATUS CODES:
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@table @b
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@item EINVAL
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The specified condition variable is not valid.
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@end table
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@subheading DESCRIPTION:
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@subheading NOTES:
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This routine should not be invoked from a handler from an asynchronous signal
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handler or an interrupt service routine.
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@page
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@ifinfo
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@node pthread_cond_broadcast, pthread_cond_wait, pthread_cond_signal, Condition Variable Manager Directives
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@end ifinfo
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@subsection pthread_cond_broadcast
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@subheading CALLING SEQUENCE:
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@example
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#include <pthread.h>
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int pthread_cond_broadcast(
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pthread_cond_t *cond
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);
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@end example
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@subheading STATUS CODES:
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@table @b
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@item EINVAL
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The specified condition variable is not valid.
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@end table
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@subheading DESCRIPTION:
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@subheading NOTES:
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This routine should not be invoked from a handler from an asynchronous signal
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handler or an interrupt service routine.
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@page
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@ifinfo
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@node pthread_cond_wait, pthread_cond_timedwait, pthread_cond_broadcast, Condition Variable Manager Directives
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@end ifinfo
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@subsection pthread_cond_wait
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@subheading CALLING SEQUENCE:
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@example
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#include <pthread.h>
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int pthread_cond_wait(
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pthread_cond_t *cond,
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pthread_mutex_t *mutex
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);
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@end example
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@subheading STATUS CODES:
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@table @b
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@item EINVAL
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The specified condition variable or mutex is not initialized OR different
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mutexes were specified for concurrent pthread_cond_wait() and
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pthread_cond_timedwait() operations on the same condition variable OR
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the mutex was not owned by the current thread at the time of the call.
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@end table
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@subheading DESCRIPTION:
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@subheading NOTES:
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@page
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@ifinfo
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@node pthread_cond_timedwait, Key Manager, pthread_cond_wait, Condition Variable Manager Directives
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@end ifinfo
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@subsection pthread_cond_timedwait
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@subheading CALLING SEQUENCE:
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@example
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#include <pthread.h>
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int pthread_cond_timedwait(
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pthread_cond_t *cond,
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pthread_mutex_t *mutex,
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const struct timespec *abstime
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);
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@end example
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@subheading STATUS CODES:
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@table @b
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@item EINVAL
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The specified condition variable or mutex is not initialized OR different
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mutexes were specified for concurrent pthread_cond_wait() and
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pthread_cond_timedwait() operations on the same condition variable OR
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the mutex was not owned by the current thread at the time of the call.
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@item ETIMEDOUT
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The specified time has elapsed without the condition variable being
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satisfied.
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@end table
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@subheading DESCRIPTION:
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@subheading NOTES:
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