diff options
| author | Olga Kornievskaia <kolga@netapp.com> | 2016-04-28 16:21:41 -0400 |
|---|---|---|
| committer | Steve Dickson <steved@redhat.com> | 2016-04-29 10:37:53 -0400 |
| commit | 8c34e538ef7492fda87b640343996dd33a2fde1d (patch) | |
| tree | 32f61476c24357e9c1d717ee181013999924ae73 /utils/gssd/krb5_util.c | |
| parent | bf97c20a6c3b8d037663e23a39bcf2f003ec12ee (diff) | |
| download | nfs-utils-8c34e538ef7492fda87b640343996dd33a2fde1d.tar.gz nfs-utils-8c34e538ef7492fda87b640343996dd33a2fde1d.tar.xz nfs-utils-8c34e538ef7492fda87b640343996dd33a2fde1d.zip | |
gssd: use pthreads to handle upcalls
Currently, to persevere global data over multiple mounts,
the root process does not fork when handling an upcall.
Instead on not-forking create a pthread to handle the
upcall since global data can be shared among threads.
Reviewed-by: Jeff Layton <jlayton@poochiereds.net>
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
Diffstat (limited to 'utils/gssd/krb5_util.c')
| -rw-r--r-- | utils/gssd/krb5_util.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/utils/gssd/krb5_util.c b/utils/gssd/krb5_util.c index 8dc64fe..a690043 100644 --- a/utils/gssd/krb5_util.c +++ b/utils/gssd/krb5_util.c @@ -128,6 +128,7 @@ /* Global list of principals/cache file names for machine credentials */ struct gssd_k5_kt_princ *gssd_k5_kt_princ_list = NULL; +pthread_mutex_t ple_lock = PTHREAD_MUTEX_INITIALIZER; #ifdef HAVE_SET_ALLOWABLE_ENCTYPES int limit_to_legacy_enctypes = 0; @@ -586,10 +587,12 @@ get_ple_by_princ(krb5_context context, krb5_principal princ) /* Need to serialize list if we ever become multi-threaded! */ + pthread_mutex_lock(&ple_lock); ple = find_ple_by_princ(context, princ); if (ple == NULL) { ple = new_ple(context, princ); } + pthread_mutex_unlock(&ple_lock); return ple; } |