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/* Get thread information. Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #include <stddef.h> #include <string.h> #include "thread_dbP.h" td_err_e td_thr_get_info (const td_thrhandle_t *th, td_thrinfo_t *infop) { struct _pthread_descr_struct pds; LOG ("td_thr_get_info"); /* Handle the case when the thread library is not yet initialized. */ if (th->th_unique == NULL) { memset (&pds, '\0', sizeof (pds)); pds.p_tid = PTHREAD_THREADS_MAX; } else /* Get the thread descriptor. */ if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds, th->th_ta_p->sizeof_descr) != PS_OK) return TD_ERR; /* XXX Other error value? */ /* Fill in information. Clear first to provide reproducable results for the fields we do not fill in. */ memset (infop, '\0', sizeof (td_thrinfo_t)); /* We have to handle the manager thread special since the thread descriptor in older versions is not fully initialized. */ if (pds.p_nr == 1) { infop->ti_tid = th->th_ta_p->pthread_threads_max * 2 + 1; infop->ti_type = TD_THR_SYSTEM; infop->ti_state = TD_THR_ACTIVE; } else { infop->ti_tid = pds.p_tid; infop->ti_tls = (char *) pds.p_specific; infop->ti_pri = pds.p_priority; infop->ti_type = TD_THR_USER; if (! pds.p_terminated) /* XXX For now there is no way to get more information. */ infop->ti_state = TD_THR_ACTIVE; else if (! pds.p_detached) infop->ti_state = TD_THR_ZOMBIE; else infop->ti_state = TD_THR_UNKNOWN; } /* Initialization which are the same in both cases. */ infop->ti_lid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph); infop->ti_ta_p = th->th_ta_p; infop->ti_startfunc = pds.p_start_args.start_routine; memcpy (&infop->ti_events, &pds.p_eventbuf.eventmask, sizeof (td_thr_events_t)); infop->ti_traceme = pds.p_report_events != 0; return TD_OK; } |