libxml-threads.html [plain text]
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><H1
><A
NAME="LIBXML-THREADS">threads</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN20981"
></A
><H2
>Name</H2
>threads -- </DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN20984"><H2
>Synopsis</H2
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="SYNOPSIS"
>
struct <A
HREF="libxml-threads.html#XMLMUTEX"
>xmlMutex</A
>;
typedef <A
HREF="libxml-threads.html#XMLMUTEXPTR"
>xmlMutexPtr</A
>;
struct <A
HREF="libxml-threads.html#XMLRMUTEX"
>xmlRMutex</A
>;
typedef <A
HREF="libxml-threads.html#XMLRMUTEXPTR"
>xmlRMutexPtr</A
>;
<A
HREF="libxml-threads.html#XMLMUTEXPTR"
>xmlMutexPtr</A
> <A
HREF="libxml-threads.html#XMLNEWMUTEX"
>xmlNewMutex</A
> (void);
void <A
HREF="libxml-threads.html#XMLMUTEXLOCK"
>xmlMutexLock</A
> (<A
HREF="libxml-threads.html#XMLMUTEXPTR"
>xmlMutexPtr</A
> tok);
void <A
HREF="libxml-threads.html#XMLMUTEXUNLOCK"
>xmlMutexUnlock</A
> (<A
HREF="libxml-threads.html#XMLMUTEXPTR"
>xmlMutexPtr</A
> tok);
void <A
HREF="libxml-threads.html#XMLFREEMUTEX"
>xmlFreeMutex</A
> (<A
HREF="libxml-threads.html#XMLMUTEXPTR"
>xmlMutexPtr</A
> tok);
<A
HREF="libxml-threads.html#XMLRMUTEXPTR"
>xmlRMutexPtr</A
> <A
HREF="libxml-threads.html#XMLNEWRMUTEX"
>xmlNewRMutex</A
> (void);
void <A
HREF="libxml-threads.html#XMLRMUTEXLOCK"
>xmlRMutexLock</A
> (<A
HREF="libxml-threads.html#XMLRMUTEXPTR"
>xmlRMutexPtr</A
> tok);
void <A
HREF="libxml-threads.html#XMLRMUTEXUNLOCK"
>xmlRMutexUnlock</A
> (<A
HREF="libxml-threads.html#XMLRMUTEXPTR"
>xmlRMutexPtr</A
> tok);
void <A
HREF="libxml-threads.html#XMLFREERMUTEX"
>xmlFreeRMutex</A
> (<A
HREF="libxml-threads.html#XMLRMUTEXPTR"
>xmlRMutexPtr</A
> tok);
void <A
HREF="libxml-threads.html#XMLINITTHREADS"
>xmlInitThreads</A
> (void);
void <A
HREF="libxml-threads.html#XMLLOCKLIBRARY"
>xmlLockLibrary</A
> (void);
void <A
HREF="libxml-threads.html#XMLUNLOCKLIBRARY"
>xmlUnlockLibrary</A
> (void);
int <A
HREF="libxml-threads.html#XMLGETTHREADID"
>xmlGetThreadId</A
> (void);
int <A
HREF="libxml-threads.html#XMLISMAINTHREAD"
>xmlIsMainThread</A
> (void);
void <A
HREF="libxml-threads.html#XMLCLEANUPTHREADS"
>xmlCleanupThreads</A
> (void);
<A
HREF="libxml-globals.html#XMLGLOBALSTATEPTR"
>xmlGlobalStatePtr</A
> <A
HREF="libxml-threads.html#XMLGETGLOBALSTATE"
>xmlGetGlobalState</A
> (void);</PRE
></TD
></TR
></TABLE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN21015"
></A
><H2
>Description</H2
><P
></P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN21018"
></A
><H2
>Details</H2
><DIV
CLASS="REFSECT2"
><A
NAME="AEN21020"
></A
><H3
><A
NAME="XMLMUTEX"
></A
>struct xmlMutex</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>struct xmlMutex;</PRE
></TD
></TR
></TABLE
><P
></P
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21025"
></A
><H3
><A
NAME="XMLMUTEXPTR"
></A
>xmlMutexPtr</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>typedef xmlMutex *xmlMutexPtr;</PRE
></TD
></TR
></TABLE
><P
><A
HREF="libxml-threads.html#XMLNEWMUTEX"
>xmlNewMutex</A
>() is used to allocate a libxml2 token struct for use in
synchronizing access to data.</P
><P
></P
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21032"
></A
><H3
><A
NAME="XMLRMUTEX"
></A
>struct xmlRMutex</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>struct xmlRMutex;</PRE
></TD
></TR
></TABLE
><P
></P
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21037"
></A
><H3
><A
NAME="XMLRMUTEXPTR"
></A
>xmlRMutexPtr</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>typedef xmlRMutex *xmlRMutexPtr;</PRE
></TD
></TR
></TABLE
><P
></P
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21042"
></A
><H3
><A
NAME="XMLNEWMUTEX"
></A
>xmlNewMutex ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
><A
HREF="libxml-threads.html#XMLMUTEXPTR"
>xmlMutexPtr</A
> xmlNewMutex (void);</PRE
></TD
></TR
></TABLE
><P
></P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN21048"><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TBODY
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> </TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21057"
></A
><H3
><A
NAME="XMLMUTEXLOCK"
></A
>xmlMutexLock ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void xmlMutexLock (<A
HREF="libxml-threads.html#XMLMUTEXPTR"
>xmlMutexPtr</A
> tok);</PRE
></TD
></TR
></TABLE
><P
><A
HREF="libxml-threads.html#XMLMUTEXLOCK"
>xmlMutexLock</A
>() is used to lock a libxml2 token.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN21065"><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TBODY
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>tok</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the simple mutex</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21074"
></A
><H3
><A
NAME="XMLMUTEXUNLOCK"
></A
>xmlMutexUnlock ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void xmlMutexUnlock (<A
HREF="libxml-threads.html#XMLMUTEXPTR"
>xmlMutexPtr</A
> tok);</PRE
></TD
></TR
></TABLE
><P
><A
HREF="libxml-threads.html#XMLMUTEXUNLOCK"
>xmlMutexUnlock</A
>() is used to unlock a libxml2 token.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN21082"><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TBODY
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>tok</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the simple mutex</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21091"
></A
><H3
><A
NAME="XMLFREEMUTEX"
></A
>xmlFreeMutex ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void xmlFreeMutex (<A
HREF="libxml-threads.html#XMLMUTEXPTR"
>xmlMutexPtr</A
> tok);</PRE
></TD
></TR
></TABLE
><P
><A
HREF="libxml-threads.html#XMLFREEMUTEX"
>xmlFreeMutex</A
>() is used to reclaim resources associated with a libxml2 token
struct.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN21099"><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TBODY
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>tok</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the simple mutex</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21108"
></A
><H3
><A
NAME="XMLNEWRMUTEX"
></A
>xmlNewRMutex ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
><A
HREF="libxml-threads.html#XMLRMUTEXPTR"
>xmlRMutexPtr</A
> xmlNewRMutex (void);</PRE
></TD
></TR
></TABLE
><P
></P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN21114"><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TBODY
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> </TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21123"
></A
><H3
><A
NAME="XMLRMUTEXLOCK"
></A
>xmlRMutexLock ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void xmlRMutexLock (<A
HREF="libxml-threads.html#XMLRMUTEXPTR"
>xmlRMutexPtr</A
> tok);</PRE
></TD
></TR
></TABLE
><P
><A
HREF="libxml-threads.html#XMLRMUTEXLOCK"
>xmlRMutexLock</A
>() is used to lock a libxml2 token_r.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN21131"><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TBODY
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>tok</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the reentrant mutex</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21140"
></A
><H3
><A
NAME="XMLRMUTEXUNLOCK"
></A
>xmlRMutexUnlock ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void xmlRMutexUnlock (<A
HREF="libxml-threads.html#XMLRMUTEXPTR"
>xmlRMutexPtr</A
> tok);</PRE
></TD
></TR
></TABLE
><P
><A
HREF="libxml-threads.html#XMLRMUTEXUNLOCK"
>xmlRMutexUnlock</A
>() is used to unlock a libxml2 token_r.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN21148"><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TBODY
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>tok</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the reentrant mutex</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21157"
></A
><H3
><A
NAME="XMLFREERMUTEX"
></A
>xmlFreeRMutex ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void xmlFreeRMutex (<A
HREF="libxml-threads.html#XMLRMUTEXPTR"
>xmlRMutexPtr</A
> tok);</PRE
></TD
></TR
></TABLE
><P
></P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN21163"><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TBODY
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>tok</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> </TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21172"
></A
><H3
><A
NAME="XMLINITTHREADS"
></A
>xmlInitThreads ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void xmlInitThreads (void);</PRE
></TD
></TR
></TABLE
><P
><A
HREF="libxml-threads.html#XMLINITTHREADS"
>xmlInitThreads</A
>() is used to to initialize all the thread related
data of the libxml2 library.</P
><P
></P
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21179"
></A
><H3
><A
NAME="XMLLOCKLIBRARY"
></A
>xmlLockLibrary ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void xmlLockLibrary (void);</PRE
></TD
></TR
></TABLE
><P
><A
HREF="libxml-threads.html#XMLLOCKLIBRARY"
>xmlLockLibrary</A
>() is used to take out a re-entrant lock on the libxml2
library.</P
><P
></P
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21186"
></A
><H3
><A
NAME="XMLUNLOCKLIBRARY"
></A
>xmlUnlockLibrary ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void xmlUnlockLibrary (void);</PRE
></TD
></TR
></TABLE
><P
><A
HREF="libxml-threads.html#XMLUNLOCKLIBRARY"
>xmlUnlockLibrary</A
>() is used to release a re-entrant lock on the libxml2
library.</P
><P
></P
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21193"
></A
><H3
><A
NAME="XMLGETTHREADID"
></A
>xmlGetThreadId ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>int xmlGetThreadId (void);</PRE
></TD
></TR
></TABLE
><P
><A
HREF="libxml-threads.html#XMLGETTHREADID"
>xmlGetThreadId</A
>() find the current thread ID number</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN21200"><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TBODY
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
>the current thread ID number</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21209"
></A
><H3
><A
NAME="XMLISMAINTHREAD"
></A
>xmlIsMainThread ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>int xmlIsMainThread (void);</PRE
></TD
></TR
></TABLE
><P
><A
HREF="libxml-threads.html#XMLISMAINTHREAD"
>xmlIsMainThread</A
>() check whether the current thread is the main thread.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN21216"><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TBODY
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Returns</I
></SPAN
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
>1 if the current thread is the main thread, 0 otherwise</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21225"
></A
><H3
><A
NAME="XMLCLEANUPTHREADS"
></A
>xmlCleanupThreads ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void xmlCleanupThreads (void);</PRE
></TD
></TR
></TABLE
><P
><A
HREF="libxml-threads.html#XMLCLEANUPTHREADS"
>xmlCleanupThreads</A
>() is used to to cleanup all the thread related
data of the libxml2 library once processing has ended.</P
><P
></P
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN21232"
></A
><H3
><A
NAME="XMLGETGLOBALSTATE"
></A
>xmlGetGlobalState ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
><A
HREF="libxml-globals.html#XMLGLOBALSTATEPTR"
>xmlGlobalStatePtr</A
> xmlGetGlobalState (void);</PRE
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>xmlGetGlobalState</A
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