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author | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
commit | a334319f6530564d22e775935d9c91663623a1b4 (patch) | |
tree | b5877475619e4c938e98757d518bb1e9cbead751 /linuxthreads_db/td_thr_get_info.c | |
parent | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff) | |
download | glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.xz glibc-a334319f6530564d22e775935d9c91663623a1b4.zip |
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'linuxthreads_db/td_thr_get_info.c')
-rw-r--r-- | linuxthreads_db/td_thr_get_info.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/linuxthreads_db/td_thr_get_info.c b/linuxthreads_db/td_thr_get_info.c new file mode 100644 index 0000000000..4666bda976 --- /dev/null +++ b/linuxthreads_db/td_thr_get_info.c @@ -0,0 +1,83 @@ +/* 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#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; +} |