diff --git a/src/XrdSut/XrdSutCache.hh b/src/XrdSut/XrdSutCache.hh
index 48643f60f12..d24415c2108 100644
--- a/src/XrdSut/XrdSutCache.hh
+++ b/src/XrdSut/XrdSutCache.hh
@@ -70,7 +70,9 @@ public:
 
       // We found an existing entry:
       // lock until we get the ability to read (another thread may be valudating it)
-      if (cent->rwmtx.ReadLock()) {
+      int status = 0;
+      cent->rwmtx.ReadLock( status );
+      if ( status ) {
          // A problem occured: fail (set the entry invalid)
          cent->status = kCE_inactive;
       }
@@ -95,7 +97,9 @@ public:
       if (!(cent = table.Find(tag))) {
          // If none, create a new one and write-lock for validation
          cent = new XrdSutCacheEntry(tag);
-         if (cent->rwmtx.WriteLock()) {
+         int status = 0;
+         cent->rwmtx.WriteLock( status );
+         if (status) {
             // A problem occured: delete the entry and fail
             delete cent;
             return (XrdSutCacheEntry *)0;
@@ -107,7 +111,9 @@ public:
 
       // We found an existing entry:
       // lock until we get the ability to read (another thread may be valudating it)
-      if (cent->rwmtx.ReadLock()) {
+      int status = 0;
+      cent->rwmtx.ReadLock( status );
+      if (status) {
          // A problem occured: fail (set the entry invalid)
          cent->status = kCE_inactive;
          return cent;
@@ -121,7 +127,9 @@ public:
          } else {
             // Invalid entry: unlock and write-lock to be able to validate it
             cent->rwmtx.UnLock();
-            if (cent->rwmtx.WriteLock()) {
+            int status = 0;
+            cent->rwmtx.WriteLock( status );
+            if (status) {
                // A problem occured: fail (set the entry invalid)
                cent->status = kCE_inactive;
                return cent;
diff --git a/src/XrdSys/XrdSysPthread.hh b/src/XrdSys/XrdSysPthread.hh
index 9217fdc3d3a..6de3c5d9b29 100644
--- a/src/XrdSys/XrdSysPthread.hh
+++ b/src/XrdSys/XrdSysPthread.hh
@@ -234,8 +234,11 @@ inline int CondWriteLock()
         return 1;
        }
 
-inline int  ReadLock() {return pthread_rwlock_rdlock(&lock);}
-inline int  WriteLock() {return pthread_rwlock_wrlock(&lock);}
+inline void  ReadLock() {pthread_rwlock_rdlock(&lock);}
+inline void  WriteLock() {pthread_rwlock_wrlock(&lock);}
+
+inline void ReadLock( int &status ) {status = pthread_rwlock_rdlock(&lock);}
+inline void WriteLock( int &status ) {status = pthread_rwlock_wrlock(&lock);}
 
 inline void UnLock() {pthread_rwlock_unlock(&lock);}