From e16006d728dc08074f4142f7275468dc459f11a3 Mon Sep 17 00:00:00 2001
From: sletz <sletz@0c269be4-1314-0410-8aa9-9f06e86f4224>
Date: Thu, 3 Apr 2008 13:54:39 +0000
Subject: [PATCH] Add Trylock method

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@2116 0c269be4-1314-0410-8aa9-9f06e86f4224
---
 common/JackMutex.h | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/common/JackMutex.h b/common/JackMutex.h
index 5b6bc562..3b9a4fd9 100644
--- a/common/JackMutex.h
+++ b/common/JackMutex.h
@@ -64,6 +64,11 @@ class JackMutex
             DWORD dwWaitResult = WaitForSingleObject(fMutex, INFINITE);
         }
 
+        bool Trylock()
+        {
+           return (WAIT_OBJECT_0 == WaitForSingleObject(fMutex, 0));
+        }
+
         void Unlock()
         {
             ReleaseMutex(fMutex);
@@ -89,6 +94,11 @@ class JackMutex
             pthread_mutex_lock(&fMutex);
         }
 
+	bool Trylock()
+        {
+            return (pthread_mutex_trylock(&fMutex) == 0);
+        }
+
         void Unlock()
         {
             pthread_mutex_unlock(&fMutex);
@@ -116,7 +126,12 @@ class JackLockAble
             fMutex.Lock();
         }
 
-        void Unlock()
+        bool Trylock()
+        {
+            return fMutex.Trylock();
+        }
+
+	void Unlock()
         {
             fMutex.Unlock();
         }