diff options
Diffstat (limited to 'sysdeps/generic/ldsodefs.h')
| -rw-r--r-- | sysdeps/generic/ldsodefs.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h index d49529da0d..9ec1511bb0 100644 --- a/sysdeps/generic/ldsodefs.h +++ b/sysdeps/generic/ldsodefs.h @@ -369,6 +369,13 @@ struct rtld_global list of loaded objects while an object is added to or removed from that list. */ __rtld_lock_define_recursive (EXTERN, _dl_load_write_lock) + /* This lock protects global and module specific TLS related data. + E.g. it is held in dlopen and dlclose when GL(dl_tls_generation), + GL(dl_tls_max_dtv_idx) or GL(dl_tls_dtv_slotinfo_list) are + accessed and when TLS related relocations are processed for a + module. It was introduced to keep pthread_create accessing TLS + state that is being set up. */ + __rtld_lock_define_recursive (EXTERN, _dl_load_tls_lock) /* Incremented whenever something may have been added to dl_loaded. */ EXTERN unsigned long long _dl_load_adds; @@ -1268,7 +1275,7 @@ extern int _dl_scope_free (void *) attribute_hidden; /* Add module to slot information data. If DO_ADD is false, only the required memory is allocated. Must be called with GL - (dl_load_lock) acquired. If the function has already been called + (dl_load_tls_lock) acquired. If the function has already been called for the link map L with !do_add, then this function will not raise an exception, otherwise it is possible that it encounters a memory allocation failure. */ |