From a209817dd8467a04be869541e7c31216dc4b0a12 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= <egil@erlang.org>
Date: Tue, 3 Sep 2013 17:11:24 +0200
Subject: erts: Document erl_driver interface lock names

---
 erts/doc/src/erl_driver.xml | 78 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 77 insertions(+), 1 deletion(-)

diff --git a/erts/doc/src/erl_driver.xml b/erts/doc/src/erl_driver.xml
index efe0483b31..5cf0d2f47f 100644
--- a/erts/doc/src/erl_driver.xml
+++ b/erts/doc/src/erl_driver.xml
@@ -2889,8 +2889,84 @@ ERL_DRV_EXT2TERM     char *buf, ErlDrvUInt len
 	beginning of this document.</p>
       </desc>
     </func>
-  </funcs>
 
+	<func>
+		<name><ret>char *</ret><nametext>erl_drv_cond_name(ErlDrvCond *cnd)</nametext></name>
+		<fsummary>Get name of driver mutex.</fsummary>
+		<desc>
+			<marker id="erl_drv_cnd_name"></marker>
+			<p>Arguments:</p>
+			<taglist>
+				<tag><c>cnd</c></tag>
+				<item>A pointer to an initialized condition.</item>
+			</taglist>
+			<p>
+				Returns a pointer to the name of the condition.
+			</p>
+			<note>
+				<p>This function is intended for debugging purposes only.</p>
+			</note>
+		</desc>
+	</func>
+
+	<func>
+		<name><ret>char *</ret><nametext>erl_drv_mutex_name(ErlDrvMutex *mtx)</nametext></name>
+		<fsummary>Get name of driver mutex.</fsummary>
+		<desc>
+			<marker id="erl_drv_mutex_name"></marker>
+			<p>Arguments:</p>
+			<taglist>
+				<tag><c>mtx</c></tag>
+				<item>A pointer to an initialized mutex.</item>
+			</taglist>
+			<p>
+				Returns a pointer to the name of the mutex.
+			</p>
+			<note>
+				<p>This function is intended for debugging purposes only.</p>
+			</note>
+		</desc>
+	</func>
+
+	<func>
+		<name><ret>char *</ret><nametext>erl_drv_rwlock_name(ErlDrvRWLock *rwlck)</nametext></name>
+		<fsummary>Get name of driver mutex.</fsummary>
+		<desc>
+			<marker id="erl_drv_rwlock_name"></marker>
+			<p>Arguments:</p>
+			<taglist>
+				<tag><c>rwlck</c></tag>
+				<item>A pointer to an initialized r/w-lock.</item>
+			</taglist>
+			<p>
+				Returns a pointer to the name of the r/w-lock.
+			</p>
+			<note>
+				<p>This function is intended for debugging purposes only.</p>
+			</note>
+		</desc>
+	</func>
+
+	<func>
+		<name><ret>char *</ret><nametext>erl_drv_thread_name(ErlDrvTid tid)</nametext></name>
+		<fsummary>Get name of driver mutex.</fsummary>
+		<desc>
+			<marker id="erl_drv_rwlock_name"></marker>
+			<p>Arguments:</p>
+			<taglist>
+				<tag><c>tid</c></tag>
+				<item>A thread identifier.</item>
+			</taglist>
+			<p>
+				Returns a pointer to the name of the thread.
+			</p>
+			<note>
+				<p>This function is intended for debugging purposes only.</p>
+			</note>
+		</desc>
+	</func>
+
+  </funcs>
   <section>
     <title>SEE ALSO</title>
     <p><seealso marker="driver_entry">driver_entry(3)</seealso>,
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