X-Git-Url: http://andersk.mit.edu/gitweb/nss_nonlocal.git/blobdiff_plain/dc397f8f1c8609311eeb93210e190ecffdda5cf4..4893970472bd815b8dbb6f6058dd26358700110e:/walk_nss.h

diff --git a/walk_nss.h b/walk_nss.h
index 93af177..78d3575 100644
--- a/walk_nss.h
+++ b/walk_nss.h
@@ -24,8 +24,9 @@
  */
 
 {
-    static service_user *startp = NULL;
-    static void *fct_start = NULL;
+    static bool initialized = false;
+    static service_user *startp;
+    static void *fct_start;
 
     service_user *nip;
     union {
@@ -34,10 +35,13 @@
     } fct;
     int old_errno = errno;
 
-    if (fct_start == NULL &&
-	w.lookup(&startp, w.fct_name, &fct_start) != 0) {
-	*w.status = NSS_STATUS_UNAVAIL;
-	goto walk_nss_out;
+    if (!initialized) {
+	if (w.lookup(&startp, w.fct_name, &fct_start) != 0) {
+	    *w.status = NSS_STATUS_UNAVAIL;
+	    goto walk_nss_out;
+	}
+	__sync_synchronize();
+	initialized = true;
     }
 
     nip = startp;