--- storage/buffindexed/shmem.c.orig	2012-08-27 23:39:42.000000000 -0700
+++ storage/buffindexed/shmem.c	2012-08-27 23:37:50.000000000 -0700
@@ -26,7 +26,9 @@
 static int smcGetSemaphore(const char *name)
 {
     key_t kt = ftok( (char *)name, 0 );
-    int   id = semget(kt, 0, S_IRWXU|S_IRWXG|S_IRWXO);
+    int   perm = SEM_R | SEM_A | (SEM_R>>3) | (SEM_A>>3) |
+	    (SEM_R>>6) | (SEM_A>>6);
+    int   id = semget(kt, 0, perm);
 
     if (id < 0) {
         syswarn("semget failed to get semaphore for %s", name);
@@ -37,15 +39,17 @@
 static int smcCreateSemaphore(const char *name)
 {
     key_t kt = ftok( (char *)name, 0 );
-    int   id = semget(kt, 2, IPC_CREAT|S_IRWXU|S_IRWXG|S_IRWXO);
+    int   perm = SEM_R | SEM_A | (SEM_R>>3) | (SEM_A>>3) |
+	    (SEM_R>>6) | (SEM_A>>6);
+    int   id = semget(kt, 2, IPC_CREAT|perm);
 
     if (id < 0) {
         if (errno == EACCES || errno == EINVAL) {
             /* looks like a wrong semaphore exists. remove it. */
-            id = semget(kt, 0, S_IRWXU|S_IRWXG|S_IRWXO);
+            id = semget(kt, 0, perm);
             if (id < 0) {
                 /* couldn't even retrieve it. */
-                syswarn("cant get semaphore using %s", name);
+                syswarn("cant get semaphore using %s (key=%d)", name, kt);
                 return id;
             }
             /* try to remove it */
@@ -65,7 +69,7 @@
             }
 #endif
             /* and retry creating it */
-            id = semget(kt, 2, IPC_CREAT|S_IRWXU|S_IRWXG|S_IRWXO);
+            id = semget(kt, 2, IPC_CREAT|perm);
         }
     }
     if (id < 0)