diff options
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/dl-open.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/elf/dl-open.c b/elf/dl-open.c index 458cf0c..c3f0e42 100644 --- a/elf/dl-open.c +++ b/elf/dl-open.c @@ -490,6 +490,18 @@ dl_open_worker (void *a) if (imap->l_need_tls_init) { + /* For static TLS we have to allocate the memory here + and now. This includes allocating memory in the DTV. + But we cannot change any DTV other than our own. So, + if we cannot guarantee that there is room in the DTV + we don't even try it and fail the load. + + XXX We could track the minimum DTV slots allocated in + all threads. */ + if (! RTLD_SINGLE_THREAD_P && imap->l_tls_modid > DTV_SURPLUS) + _dl_signal_error (0, "dlopen", NULL, N_("\ +cannot load any more object with static TLS")); + imap->l_need_tls_init = 0; #ifdef SHARED /* Update the slot information data for at least the |