xnu-3247.1.106.tar.gz

[apple/xnu.git] / bsd / kern / posix_shm.c

diff --git a/bsd/kern/posix_shm.c b/bsd/kern/posix_shm.c
index aa57783cb06bc2f7480dd158be299bfa8a4d4dee..e14baf815e932decbe39ea8506c53805c35e514a 100644 (file)
--- a/bsd/kern/posix_shm.c
+++ b/bsd/kern/posix_shm.c
@@ -273,7 +273,6 @@ pshm_cache_search(struct pshminfo **pshmp, struct pshmname *pnp,
 
        /*
         * We found a "negative" match, ENOENT notifies client of this match.
-        * The nc_vpid field records whether this is a whiteout.
         */
        pshmstats.neghits++;
        return (ENOENT);
@@ -304,9 +303,6 @@ pshm_cache_add(struct pshminfo *pshmp, struct pshmname *pnp, struct pshmcache *p
 
        /*
         * Fill in cache info, if vp is NULL this is a "negative" cache entry.
-        * For negative entries, we have to record whether it is a whiteout.
-        * the whiteout flag is stored in the nc_vpid field which is
-        * otherwise unused.
         */
        pcp->pshminfo = pshmp;
        pcp->pshm_nlen = pnp->pshm_namelen;
@@ -746,7 +742,8 @@ pshm_truncate(__unused proc_t p, struct fileproc *fp, __unused int fd,
                pshmobj_next_p = &pshmobj->pshmo_next;
        }
        
-       pinfo->pshm_flags = PSHM_ALLOCATED;
+       pinfo->pshm_flags |= PSHM_ALLOCATED;
+       pinfo->pshm_flags &= ~(PSHM_ALLOCATING);
        pinfo->pshm_length = total_size;
        PSHM_SUBSYS_UNLOCK();
        return(0);