diff options
Diffstat (limited to 'linuxthreads_db/td_ta_thr_iter.c')
| -rw-r--r-- | linuxthreads_db/td_ta_thr_iter.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/linuxthreads_db/td_ta_thr_iter.c b/linuxthreads_db/td_ta_thr_iter.c index 7d7085870f..977711261e 100644 --- a/linuxthreads_db/td_ta_thr_iter.c +++ b/linuxthreads_db/td_ta_thr_iter.c @@ -31,6 +31,37 @@ handle_descr (const td_thragent_t *ta, td_thr_iter_f *callback, size_t sizeof_descr = ta->sizeof_descr; td_thrhandle_t th; + if (descr == NULL) + { + /* No descriptor (yet). */ + if (cnt == 0) + { + /* This is the main thread. Create a fake descriptor. */ + memset (&pds, '\0', sizeof (pds)); + + /* Empty thread descriptor the thread library would create. */ + pds.p_header.data.self = &pds; + pds.p_nextlive = pds.p_prevlive = &pds; + pds.p_tid = PTHREAD_THREADS_MAX; + /* The init code also sets up p_lock, p_errnop, p_herrnop, and + p_userstack but this should not be necessary here. */ + + th.th_ta_p = (td_thragent_t *) ta; + th.th_unique = &pds; + if (callback (&th, cbdata_p) != 0) + return TD_DBERR; + + /* All done successfully. */ + return TD_OK; + } + else if (cnt == 1) + /* The manager is not yet started. No big deal. */ + return TD_OK; + else + /* For every other thread this should not happen. */ + return TD_ERR; + } + if (ps_pdread (ta->ph, descr, &pds, sizeof_descr) != PS_OK) return TD_ERR; /* XXX Other error value? */ |