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NAME="COMPAT-UITRON-SYNC-AND-COMM-FUNCTIONS">Synchronization and Communication Functions</H1
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NAME="COMPAT-UITRON-SYNC-AND-COMM-FUNCTIONS">Synchronization and Communication Functions</H1
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><P
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><P
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>These functions are fully supported in this release: </P
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>These functions are fully supported in this release: </P
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><TABLE
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>ER <TT
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>ER <TT
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>sig_sem</TT
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>(
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>(
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ID <SPAN
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><I
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><PRE
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CLASS="PROGRAMLISTING"
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CLASS="PROGRAMLISTING"
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>ER <TT
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>ER <TT
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CLASS="FUNCTION"
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CLASS="FUNCTION"
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>wai_sem</TT
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>wai_sem</TT
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>(
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>(
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ID <SPAN
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ID <SPAN
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CLASS="emphasis"
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CLASS="emphasis"
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><I
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><I
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CLASS="EMPHASIS"
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>semid</I
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>semid</I
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></SPAN
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><TR
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><TD
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><TD
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><PRE
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><PRE
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CLASS="PROGRAMLISTING"
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>ER <TT
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>ER <TT
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CLASS="FUNCTION"
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>preq_sem</TT
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>preq_sem</TT
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>(
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>(
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ID <SPAN
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ID <SPAN
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CLASS="emphasis"
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CLASS="emphasis"
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><I
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><I
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CLASS="EMPHASIS"
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CLASS="EMPHASIS"
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>semid</I
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>semid</I
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></SPAN
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></SPAN
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> )</PRE
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> )</PRE
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></TD
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><TR
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><TD
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><PRE
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><PRE
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CLASS="PROGRAMLISTING"
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CLASS="PROGRAMLISTING"
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>ER <TT
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>ER <TT
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CLASS="FUNCTION"
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CLASS="FUNCTION"
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>twai_sem</TT
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>twai_sem</TT
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>(
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>(
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ID <SPAN
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ID <SPAN
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CLASS="emphasis"
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CLASS="emphasis"
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><I
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><I
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CLASS="EMPHASIS"
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CLASS="EMPHASIS"
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>semid,</I
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>semid,</I
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></SPAN
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></SPAN
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> TMO <SPAN
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> TMO <SPAN
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CLASS="emphasis"
|
CLASS="emphasis"
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><I
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><I
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CLASS="EMPHASIS"
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CLASS="EMPHASIS"
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>tmout</I
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>tmout</I
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></SPAN
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></SPAN
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> )</PRE
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> )</PRE
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><TR
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><TD
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><TD
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><PRE
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><PRE
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CLASS="PROGRAMLISTING"
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>ER <TT
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>ER <TT
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CLASS="FUNCTION"
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CLASS="FUNCTION"
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>ref_sem</TT
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>ref_sem</TT
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>(
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>(
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T_RSEM *<SPAN
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T_RSEM *<SPAN
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CLASS="emphasis"
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CLASS="emphasis"
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><I
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><I
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CLASS="EMPHASIS"
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>pk_rsem ,</I
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>pk_rsem ,</I
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></SPAN
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></SPAN
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> ID <SPAN
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> ID <SPAN
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CLASS="emphasis"
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CLASS="emphasis"
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><I
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><I
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CLASS="EMPHASIS"
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CLASS="EMPHASIS"
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>semid</I
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>semid</I
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></SPAN
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></SPAN
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> )</PRE
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> )</PRE
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></TD
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><TABLE
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WIDTH="70%"
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><TR
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><TR
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><TD
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><TD
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><PRE
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><PRE
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CLASS="PROGRAMLISTING"
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CLASS="PROGRAMLISTING"
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>ER <TT
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>ER <TT
|
CLASS="FUNCTION"
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CLASS="FUNCTION"
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>set_flg</TT
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>set_flg</TT
|
>(
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>(
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ID <SPAN
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ID <SPAN
|
CLASS="emphasis"
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CLASS="emphasis"
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><I
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><I
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CLASS="EMPHASIS"
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CLASS="EMPHASIS"
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>flgid,</I
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>flgid,</I
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></SPAN
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></SPAN
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> UINT <SPAN
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> UINT <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
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><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>setptn</I
|
>setptn</I
|
></SPAN
|
></SPAN
|
> )</PRE
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> )</PRE
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></TD
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></TD
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><TABLE
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WIDTH="70%"
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><TR
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><TR
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><TD
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><TD
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><PRE
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><PRE
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CLASS="PROGRAMLISTING"
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CLASS="PROGRAMLISTING"
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>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>clr_flg</TT
|
>clr_flg</TT
|
>(
|
>(
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ID <SPAN
|
ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>flgid,</I
|
>flgid,</I
|
></SPAN
|
></SPAN
|
> UINT <SPAN
|
> UINT <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>clrptn</I
|
>clrptn</I
|
></SPAN
|
></SPAN
|
> )</PRE
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> )</PRE
|
></TD
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></TD
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></TR
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></TR
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></TABLE
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></TABLE
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><TABLE
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><TABLE
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BORDER="5"
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WIDTH="70%"
|
WIDTH="70%"
|
><TR
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><TR
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><TD
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><TD
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><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>wai_flg</TT
|
>wai_flg</TT
|
>(
|
>(
|
UINT *<SPAN
|
UINT *<SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>p_flgptn,</I
|
>p_flgptn,</I
|
></SPAN
|
></SPAN
|
> ID <SPAN
|
> ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>flgid ,</I
|
>flgid ,</I
|
></SPAN
|
></SPAN
|
>
|
>
|
UINT <SPAN
|
UINT <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>waiptn ,</I
|
>waiptn ,</I
|
></SPAN
|
></SPAN
|
> UINT <SPAN
|
> UINT <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>wfmode</I
|
>wfmode</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
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></TR
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></TR
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></TABLE
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></TABLE
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><TABLE
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><TR
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><TD
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><TD
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><PRE
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><PRE
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CLASS="PROGRAMLISTING"
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CLASS="PROGRAMLISTING"
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>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>pol_flg</TT
|
>pol_flg</TT
|
>(
|
>(
|
UINT *<SPAN
|
UINT *<SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
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><I
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><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>p_flgptn,</I
|
>p_flgptn,</I
|
></SPAN
|
></SPAN
|
> ID <SPAN
|
> ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>flgid ,</I
|
>flgid ,</I
|
></SPAN
|
></SPAN
|
>
|
>
|
UINT <SPAN
|
UINT <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>waiptn ,</I
|
>waiptn ,</I
|
></SPAN
|
></SPAN
|
> UINT <SPAN
|
> UINT <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>wfmode</I
|
>wfmode</I
|
></SPAN
|
></SPAN
|
> )</PRE
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><TR
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><PRE
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><PRE
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CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>twai_flg</TT
|
>twai_flg</TT
|
>(
|
>(
|
UINT *<SPAN
|
UINT *<SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>p_flgptn</I
|
>p_flgptn</I
|
></SPAN
|
></SPAN
|
> ID <SPAN
|
> ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>flgid ,</I
|
>flgid ,</I
|
></SPAN
|
></SPAN
|
>
|
>
|
UINT <SPAN
|
UINT <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>waiptn ,</I
|
>waiptn ,</I
|
></SPAN
|
></SPAN
|
> UINT <SPAN
|
> UINT <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>wfmode,</I
|
>wfmode,</I
|
></SPAN
|
></SPAN
|
> TMO <SPAN
|
> TMO <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>tmout</I
|
>tmout</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
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|
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BORDER="5"
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><TR
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><TD
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><TD
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><PRE
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><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>ref_flg</TT
|
>ref_flg</TT
|
>(
|
>(
|
T_RFLG *<SPAN
|
T_RFLG *<SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>pk_rflg,</I
|
>pk_rflg,</I
|
></SPAN
|
></SPAN
|
> ID <SPAN
|
> ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>flgid</I
|
>flgid</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
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></TR
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></TR
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></TABLE
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></TABLE
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><TABLE
|
><TABLE
|
BORDER="5"
|
BORDER="5"
|
BGCOLOR="#E0E0F0"
|
BGCOLOR="#E0E0F0"
|
WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>snd_msg</TT
|
>snd_msg</TT
|
>(
|
>(
|
ID <SPAN
|
ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>mbxid,</I
|
>mbxid,</I
|
></SPAN
|
></SPAN
|
> T_MSG <SPAN
|
> T_MSG <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>*pk_msg</I
|
>*pk_msg</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
><TABLE
|
><TABLE
|
BORDER="5"
|
BORDER="5"
|
BGCOLOR="#E0E0F0"
|
BGCOLOR="#E0E0F0"
|
WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>rcv_msg</TT
|
>rcv_msg</TT
|
>(
|
>(
|
T_MSG **<SPAN
|
T_MSG **<SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>ppk_msg,</I
|
>ppk_msg,</I
|
></SPAN
|
></SPAN
|
> ID <SPAN
|
> ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>mbxid</I
|
>mbxid</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
><TABLE
|
><TABLE
|
BORDER="5"
|
BORDER="5"
|
BGCOLOR="#E0E0F0"
|
BGCOLOR="#E0E0F0"
|
WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>prcv_msg</TT
|
>prcv_msg</TT
|
>(
|
>(
|
T_MSG **<SPAN
|
T_MSG **<SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>ppk_msg,</I
|
>ppk_msg,</I
|
></SPAN
|
></SPAN
|
> ID <SPAN
|
> ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>mbxid</I
|
>mbxid</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
><TABLE
|
><TABLE
|
BORDER="5"
|
BORDER="5"
|
BGCOLOR="#E0E0F0"
|
BGCOLOR="#E0E0F0"
|
WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>trcv_msg</TT
|
>trcv_msg</TT
|
>(
|
>(
|
T_MSG **<SPAN
|
T_MSG **<SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>ppk_msg,</I
|
>ppk_msg,</I
|
></SPAN
|
></SPAN
|
> ID <SPAN
|
> ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>mbxid ,</I
|
>mbxid ,</I
|
></SPAN
|
></SPAN
|
> TMO <SPAN
|
> TMO <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>tmout</I
|
>tmout</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
><TABLE
|
><TABLE
|
BORDER="5"
|
BORDER="5"
|
BGCOLOR="#E0E0F0"
|
BGCOLOR="#E0E0F0"
|
WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>ref_mbx</TT
|
>ref_mbx</TT
|
>(
|
>(
|
T_RMBX *<SPAN
|
T_RMBX *<SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>pk_rmbx,</I
|
>pk_rmbx,</I
|
></SPAN
|
></SPAN
|
> ID <SPAN
|
> ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>mbxid</I
|
>mbxid</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
><P
|
><P
|
>The following functions are supported in this release (with
|
>The following functions are supported in this release (with
|
some restrictions) if enabled with the appropriate configuration
|
some restrictions) if enabled with the appropriate configuration
|
option for the object type (for example
|
option for the object type (for example
|
<TT
|
<TT
|
CLASS="LITERAL"
|
CLASS="LITERAL"
|
>CYGPKG_UITRON_SEMAS_CREATE_DELETE</TT
|
>CYGPKG_UITRON_SEMAS_CREATE_DELETE</TT
|
>):</P
|
>):</P
|
><TABLE
|
><TABLE
|
BORDER="5"
|
BORDER="5"
|
BGCOLOR="#E0E0F0"
|
BGCOLOR="#E0E0F0"
|
WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>cre_sem</TT
|
>cre_sem</TT
|
>(
|
>(
|
ID <SPAN
|
ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>semid,</I
|
>semid,</I
|
></SPAN
|
></SPAN
|
> T_CSEM *<SPAN
|
> T_CSEM *<SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>pk_csem</I
|
>pk_csem</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
><TABLE
|
><TABLE
|
BORDER="5"
|
BORDER="5"
|
BGCOLOR="#E0E0F0"
|
BGCOLOR="#E0E0F0"
|
WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>del_sem</TT
|
>del_sem</TT
|
>(
|
>(
|
ID <SPAN
|
ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>semid</I
|
>semid</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
><TABLE
|
><TABLE
|
BORDER="5"
|
BORDER="5"
|
BGCOLOR="#E0E0F0"
|
BGCOLOR="#E0E0F0"
|
WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>cre_flg</TT
|
>cre_flg</TT
|
>(
|
>(
|
ID <SPAN
|
ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>flgid,</I
|
>flgid,</I
|
></SPAN
|
></SPAN
|
> T_CFLG *<SPAN
|
> T_CFLG *<SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>pk_cflg</I
|
>pk_cflg</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
><TABLE
|
><TABLE
|
BORDER="5"
|
BORDER="5"
|
BGCOLOR="#E0E0F0"
|
BGCOLOR="#E0E0F0"
|
WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>del_flg</TT
|
>del_flg</TT
|
>(
|
>(
|
ID <SPAN
|
ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>flgid</I
|
>flgid</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
><TABLE
|
><TABLE
|
BORDER="5"
|
BORDER="5"
|
BGCOLOR="#E0E0F0"
|
BGCOLOR="#E0E0F0"
|
WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>cre_mbx</TT
|
>cre_mbx</TT
|
>(
|
>(
|
ID <SPAN
|
ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>mbxid,</I
|
>mbxid,</I
|
></SPAN
|
></SPAN
|
> T_CMBX *<SPAN
|
> T_CMBX *<SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>pk_cmbx</I
|
>pk_cmbx</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
><TABLE
|
><TABLE
|
BORDER="5"
|
BORDER="5"
|
BGCOLOR="#E0E0F0"
|
BGCOLOR="#E0E0F0"
|
WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>del_mbx</TT
|
>del_mbx</TT
|
>(
|
>(
|
ID <SPAN
|
ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>mbxid</I
|
>mbxid</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
><P
|
><P
|
>In general the queueing order when waiting on a synchronization
|
>In general the queueing order when waiting on a synchronization
|
object depends on the underlying kernel configuration. The multi-level
|
object depends on the underlying kernel configuration. The multi-level
|
queue scheduler is required for strict µITRON
|
queue scheduler is required for strict µITRON
|
conformance and it queues tasks in FIFO order, so requests to create
|
conformance and it queues tasks in FIFO order, so requests to create
|
an object with priority queueing of tasks (<TT
|
an object with priority queueing of tasks (<TT
|
CLASS="LITERAL"
|
CLASS="LITERAL"
|
>pk_cxxx->xxxatr = TA_TPRI</TT
|
>pk_cxxx->xxxatr = TA_TPRI</TT
|
>)
|
>)
|
are rejected with E_RSATR. Additional undefined bits in
|
are rejected with E_RSATR. Additional undefined bits in
|
the attributes fields must be zero. </P
|
the attributes fields must be zero. </P
|
><P
|
><P
|
>In general, extended information (pk_cxxx->exinf)
|
>In general, extended information (pk_cxxx->exinf)
|
is ignored. </P
|
is ignored. </P
|
><P
|
><P
|
>For semaphores, the initial semaphore count (pk_csem->isemcnt)
|
>For semaphores, the initial semaphore count (pk_csem->isemcnt)
|
is supported; the new semaphore's count is set. The maximum
|
is supported; the new semaphore's count is set. The maximum
|
count is not supported, and is not in fact defined in type pk_csem. </P
|
count is not supported, and is not in fact defined in type pk_csem. </P
|
><P
|
><P
|
>For flags, multiple tasks are allowed to wait. Because single
|
>For flags, multiple tasks are allowed to wait. Because single
|
task waiting is a subset of this, the W bit (TA_WMUL) of
|
task waiting is a subset of this, the W bit (TA_WMUL) of
|
the flag attributes is ignored; all other bits must be zero. The
|
the flag attributes is ignored; all other bits must be zero. The
|
initial flag value is supported. </P
|
initial flag value is supported. </P
|
><P
|
><P
|
>For mailboxes, the buffer count is defined statically by kernel
|
>For mailboxes, the buffer count is defined statically by kernel
|
configuration option
|
configuration option
|
<TT
|
<TT
|
CLASS="LITERAL"
|
CLASS="LITERAL"
|
>CYGNUM_KERNEL_SYNCH_MBOX_QUEUE_SIZE</TT
|
>CYGNUM_KERNEL_SYNCH_MBOX_QUEUE_SIZE</TT
|
>;
|
>;
|
therefore the buffer count field is not supported and is not in
|
therefore the buffer count field is not supported and is not in
|
fact defined in type pk_cmbx. Queueing of messages is FIFO
|
fact defined in type pk_cmbx. Queueing of messages is FIFO
|
ordered only, so TA_MPRI (in pk_cmbx->mbxatr)
|
ordered only, so TA_MPRI (in pk_cmbx->mbxatr)
|
is not supported. </P
|
is not supported. </P
|
><DIV
|
><DIV
|
CLASS="SECT2"
|
CLASS="SECT2"
|
><H2
|
><H2
|
CLASS="SECT2"
|
CLASS="SECT2"
|
><A
|
><A
|
NAME="AEN13716">Error checking</H2
|
NAME="AEN13716">Error checking</H2
|
><P
|
><P
|
>The following conditions are only checked for, and only return
|
>The following conditions are only checked for, and only return
|
errors if
|
errors if
|
<TT
|
<TT
|
CLASS="LITERAL"
|
CLASS="LITERAL"
|
>CYGSEM_UITRON_BAD_PARAMS_RETURN_ERRORS</TT
|
>CYGSEM_UITRON_BAD_PARAMS_RETURN_ERRORS</TT
|
>
|
>
|
is enabled:</P
|
is enabled:</P
|
><P
|
><P
|
></P
|
></P
|
><UL
|
><UL
|
><LI
|
><LI
|
><P
|
><P
|
>invalid object id; less than 1 or greater than
|
>invalid object id; less than 1 or greater than
|
<TT
|
<TT
|
CLASS="LITERAL"
|
CLASS="LITERAL"
|
>CYGNUM_UITRON_TASKS/SEMAS/MBOXES</TT
|
>CYGNUM_UITRON_TASKS/SEMAS/MBOXES</TT
|
>
|
>
|
as appropriate returns E_ID</P
|
as appropriate returns E_ID</P
|
></LI
|
></LI
|
><LI
|
><LI
|
><P
|
><P
|
>dispatching is enabled in any call which can sleep, or
|
>dispatching is enabled in any call which can sleep, or
|
E_CTX</P
|
E_CTX</P
|
></LI
|
></LI
|
><LI
|
><LI
|
><P
|
><P
|
>tmout must be positive, otherwise E_PAR</P
|
>tmout must be positive, otherwise E_PAR</P
|
></LI
|
></LI
|
><LI
|
><LI
|
><P
|
><P
|
>pk_cxxx pointers in
|
>pk_cxxx pointers in
|
<TT
|
<TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>cre_xxx()</TT
|
>cre_xxx()</TT
|
>
|
>
|
must be valid pointers, or E_PAR</P
|
must be valid pointers, or E_PAR</P
|
></LI
|
></LI
|
><LI
|
><LI
|
><P
|
><P
|
>return value pointer in
|
>return value pointer in
|
<TT
|
<TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>ref_xxx()</TT
|
>ref_xxx()</TT
|
>
|
>
|
is valid pointer, or E_PAR</P
|
is valid pointer, or E_PAR</P
|
></LI
|
></LI
|
><LI
|
><LI
|
><P
|
><P
|
>flag wait pattern must be non-zero, and mode must be valid,
|
>flag wait pattern must be non-zero, and mode must be valid,
|
or E_PAR</P
|
or E_PAR</P
|
></LI
|
></LI
|
><LI
|
><LI
|
><P
|
><P
|
>return value pointer in flag wait calls is a valid pointer,
|
>return value pointer in flag wait calls is a valid pointer,
|
or E_PAR</P
|
or E_PAR</P
|
></LI
|
></LI
|
></UL
|
></UL
|
><P
|
><P
|
>The following conditions are checked for, and can return error
|
>The following conditions are checked for, and can return error
|
codes, regardless of the setting of
|
codes, regardless of the setting of
|
<TT
|
<TT
|
CLASS="LITERAL"
|
CLASS="LITERAL"
|
>CYGSEM_UITRON_BAD_PARAMS_RETURN_ERRORS</TT
|
>CYGSEM_UITRON_BAD_PARAMS_RETURN_ERRORS</TT
|
>
|
>
|
:</P
|
:</P
|
><P
|
><P
|
></P
|
></P
|
><UL
|
><UL
|
><LI
|
><LI
|
><P
|
><P
|
>When create and delete functions
|
>When create and delete functions
|
<TT
|
<TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>cre_xxx()</TT
|
>cre_xxx()</TT
|
>
|
>
|
and
|
and
|
<TT
|
<TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>del_xxx()</TT
|
>del_xxx()</TT
|
>
|
>
|
are supported, all calls which use a valid object ID number check
|
are supported, all calls which use a valid object ID number check
|
that the object exists. If not, E_NOEXS is returned.</P
|
that the object exists. If not, E_NOEXS is returned.</P
|
></LI
|
></LI
|
><LI
|
><LI
|
><P
|
><P
|
>In create functions
|
>In create functions
|
<TT
|
<TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>cre_xxx()</TT
|
>cre_xxx()</TT
|
>
|
>
|
, when supported, if the object already exists, then E_OBJ</P
|
, when supported, if the object already exists, then E_OBJ</P
|
></LI
|
></LI
|
><LI
|
><LI
|
><P
|
><P
|
>In any call which can sleep, such as
|
>In any call which can sleep, such as
|
<TT
|
<TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>twai_sem()</TT
|
>twai_sem()</TT
|
>
|
>
|
: return codes E_TMOUT, E_RLWAI, E_DLT
|
: return codes E_TMOUT, E_RLWAI, E_DLT
|
or of course E_OK are returned depending on the reason
|
or of course E_OK are returned depending on the reason
|
for terminating the sleep</P
|
for terminating the sleep</P
|
></LI
|
></LI
|
><LI
|
><LI
|
><P
|
><P
|
>In polling functions such as
|
>In polling functions such as
|
<TT
|
<TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>preq_sem()</TT
|
>preq_sem()</TT
|
>
|
>
|
return codes E_TMOUT or E_OK are returned depending
|
return codes E_TMOUT or E_OK are returned depending
|
on the state of the synchronization object</P
|
on the state of the synchronization object</P
|
></LI
|
></LI
|
><LI
|
><LI
|
><P
|
><P
|
>In creation functions, the attributes must be compatible
|
>In creation functions, the attributes must be compatible
|
with the selected underlying kernel configuration: in
|
with the selected underlying kernel configuration: in
|
<TT
|
<TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>cre_sem()</TT
|
>cre_sem()</TT
|
>
|
>
|
<TT
|
<TT
|
CLASS="LITERAL"
|
CLASS="LITERAL"
|
>pk_csem->sematr</TT
|
>pk_csem->sematr</TT
|
>
|
>
|
must be equal to
|
must be equal to
|
<TT
|
<TT
|
CLASS="LITERAL"
|
CLASS="LITERAL"
|
>TA_TFIFO</TT
|
>TA_TFIFO</TT
|
>
|
>
|
else E_RSATR.</P
|
else E_RSATR.</P
|
></LI
|
></LI
|
><LI
|
><LI
|
><P
|
><P
|
>In
|
>In
|
<TT
|
<TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>cre_flg()</TT
|
>cre_flg()</TT
|
>
|
>
|
<TT
|
<TT
|
CLASS="LITERAL"
|
CLASS="LITERAL"
|
>pk_cflg->flgatr</TT
|
>pk_cflg->flgatr</TT
|
>
|
>
|
must be either
|
must be either
|
<TT
|
<TT
|
CLASS="VARNAME"
|
CLASS="VARNAME"
|
>TA_WMUL</TT
|
>TA_WMUL</TT
|
>
|
>
|
or
|
or
|
<TT
|
<TT
|
CLASS="VARNAME"
|
CLASS="VARNAME"
|
>TA_WSGL</TT
|
>TA_WSGL</TT
|
>
|
>
|
else <TT
|
else <TT
|
CLASS="VARNAME"
|
CLASS="VARNAME"
|
>E_RSATR</TT
|
>E_RSATR</TT
|
>.</P
|
>.</P
|
></LI
|
></LI
|
><LI
|
><LI
|
><P
|
><P
|
>In
|
>In
|
<TT
|
<TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>cre_mbx()</TT
|
>cre_mbx()</TT
|
>
|
>
|
|
|
<TT
|
<TT
|
CLASS="LITERAL"
|
CLASS="LITERAL"
|
>pk_cmbx->mbxatr</TT
|
>pk_cmbx->mbxatr</TT
|
>
|
>
|
must be
|
must be
|
<TT
|
<TT
|
CLASS="LITERAL"
|
CLASS="LITERAL"
|
>TA_TFIFO + TA_MFIFO</TT
|
>TA_TFIFO + TA_MFIFO</TT
|
>
|
>
|
else E_RSATR.</P
|
else E_RSATR.</P
|
></LI
|
></LI
|
></UL
|
></UL
|
></DIV
|
></DIV
|
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|
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|
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