no try lock in old bost versions

erh · erh · commit 5ac1a08dbb95 · 2010-06-08T11:18:23.000-04:00
diff --git a/db/concurrency.h b/db/concurrency.h
@@ -262,11 +262,9 @@ namespace mongo {
         }
 
         bool lock_try(){
-            bool got = m.try_lock();
-            if ( got ){
-                _minfo.entered();
-            }
-            return got;
+            // old boost doesn't have try_lock :(
+            lock();
+            return true;
         }
 
         void releaseEarly() {

Original file line number	Diff line number	Diff line change
`@@ -262,11 +262,9 @@ namespace mongo {`
`262`	`262`	`}`
`263`	`263`
`264`	`264`	`bool lock_try(){`
`265`		`- bool got = m.try_lock();`
`266`		`- if ( got ){`
`267`		`- _minfo.entered();`
`268`		`- }`
`269`		`- return got;`
	`265`	`+ // old boost doesn't have try_lock :(`
	`266`	`+ lock();`
	`267`	`+ return true;`
`270`	`268`	`}`
`271`	`269`
`272`	`270`	`void releaseEarly() {`