From a9f5aa1cc96fc2c71f19a9c3e9dcbee0e78f83ca Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Tue, 15 Nov 2005 03:13:04 +0000 Subject: rename current stable linuxthreads to linuxthreads.old to prepare for import of latest glibc version --- libpthread/linuxthreads.old_db/td_thr_validate.c | 70 ++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 libpthread/linuxthreads.old_db/td_thr_validate.c (limited to 'libpthread/linuxthreads.old_db/td_thr_validate.c') diff --git a/libpthread/linuxthreads.old_db/td_thr_validate.c b/libpthread/linuxthreads.old_db/td_thr_validate.c new file mode 100644 index 000000000..31169ef60 --- /dev/null +++ b/libpthread/linuxthreads.old_db/td_thr_validate.c @@ -0,0 +1,70 @@ +/* Validate a thread handle. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 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 "thread_dbP.h" +#include "../linuxthreads.old/internals.h" + + +td_err_e +td_thr_validate (const td_thrhandle_t *th) +{ + struct pthread_handle_struct *handles = th->th_ta_p->handles; + int pthread_threads_max = th->th_ta_p->pthread_threads_max; + int cnt; + struct pthread_handle_struct phc; + + LOG ("td_thr_validate"); + + /* A special case: if the program just starts up the handle is + NULL. */ + if (th->th_unique == NULL) + { + /* Read the first handle. If the pointer to the thread + descriptor is not NULL this is an error. */ + if (ps_pdread (th->th_ta_p->ph, handles, &phc, + sizeof (struct pthread_handle_struct)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + return phc.h_descr == NULL ? TD_OK : TD_NOTHR; + } + + /* Now get all descriptors, one after the other. */ + for (cnt = 0; cnt < pthread_threads_max; ++cnt, ++handles) + { + if (ps_pdread (th->th_ta_p->ph, handles, &phc, + sizeof (struct pthread_handle_struct)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + if (phc.h_descr != NULL && phc.h_descr == th->th_unique) + { + struct _pthread_descr_struct pds; + + if (ps_pdread (th->th_ta_p->ph, phc.h_descr, &pds, + th->th_ta_p->sizeof_descr) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* XXX There should be another test using the TID but this is + currently not available. */ + return pds.p_terminated != 0 ? TD_NOTHR : TD_OK; + } + } + + return TD_ERR; +} -- cgit v1.2.3