From: Alex Rousskov <rousskov@measurement-factory.com>
Date: Thu, 31 Mar 2011 20:04:20 +0000 (-0600)
Subject: Added initial __sync_fetch_and_and support.
X-Git-Tag: take06~55
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=26872536eb50ac5324bcb458c35792450acad86c;p=thirdparty%2Fsquid.git

Added initial __sync_fetch_and_and support.
---

diff --git a/src/ipc/AtomicWord.h b/src/ipc/AtomicWord.h
index 7b60a2c81c..5d30b7d27d 100644
--- a/src/ipc/AtomicWord.h
+++ b/src/ipc/AtomicWord.h
@@ -20,6 +20,9 @@ public:
 
     bool swap_if(const int comparand, const int replacement) { return __sync_bool_compare_and_swap(&value, comparand, replacement); }
 
+    /// v1 = value; value &= v2; return v1;
+    Value fetchAndAnd(const Value v2) { return __sync_fetch_and_and(&value, v2); }
+
     // TODO: no need for __sync_bool_compare_and_swap here?
     bool operator ==(int v2) { return __sync_bool_compare_and_swap(&value, v2, value); }