aboutsummaryrefslogtreecommitdiff
path: root/linuxthreads_db/td_ta_thr_iter.c
diff options
context:
space:
mode:
authorRoland McGrath <roland@gnu.org>2005-07-03 04:40:34 +0000
committerRoland McGrath <roland@gnu.org>2005-07-03 04:40:34 +0000
commit88e3fbcb5d6829f8980d6bb356b1c0cd7a38187b (patch)
tree41b73f55c91439f87d82e5d32b9d8e46e82ce3c1 /linuxthreads_db/td_ta_thr_iter.c
parentd19b1b4f2ff49e085b55e8564b52ca17b028e335 (diff)
downloadglibc-88e3fbcb5d6829f8980d6bb356b1c0cd7a38187b.tar
glibc-88e3fbcb5d6829f8980d6bb356b1c0cd7a38187b.tar.gz
glibc-88e3fbcb5d6829f8980d6bb356b1c0cd7a38187b.tar.bz2
glibc-88e3fbcb5d6829f8980d6bb356b1c0cd7a38187b.zip
linuxthreads, linuxthreads_db: Directories removed (preserved in ports repository).
Diffstat (limited to 'linuxthreads_db/td_ta_thr_iter.c')
-rw-r--r--linuxthreads_db/td_ta_thr_iter.c176
1 files changed, 0 insertions, 176 deletions
diff --git a/linuxthreads_db/td_ta_thr_iter.c b/linuxthreads_db/td_ta_thr_iter.c
deleted file mode 100644
index 9ab04e14e3..0000000000
--- a/linuxthreads_db/td_ta_thr_iter.c
+++ /dev/null
@@ -1,176 +0,0 @@
-/* Iterate over a process's threads.
- Copyright (C) 1999,2000,2001,2002,2003 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 "thread_dbP.h"
-#include <linuxthreads/internals.h>
-#include <alloca.h>
-
-static int
-handle_descr (const td_thragent_t *ta, td_thr_iter_f *callback,
- void *cbdata_p, td_thr_state_e state, int ti_pri,
- size_t cnt, pthread_descr descr)
-{
- struct _pthread_descr_struct pds;
- 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. */
-#if !defined USE_TLS || !TLS_DTV_AT_TP
- pds.p_header.data.self = &pds;
-#endif
- 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 = NULL;
- 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? */
-
- /* The manager thread must be handled special. The descriptor
- exists but the thread only gets created when the first
- `pthread_create' call is issued. A clear indication that this
- happened is when the p_pid field is non-zero. */
- if (cnt == 1 && pds.p_pid == 0)
- return TD_OK;
-
- /* Now test whether this thread matches the specified
- conditions. */
-
- /* Only if the priority level is as high or higher. */
- if (pds.p_priority < ti_pri)
- return TD_OK;
-
- /* Test the state.
- XXX This is incomplete. */
- if (state != TD_THR_ANY_STATE)
- return TD_OK;
-
- /* XXX For now we ignore threads which are not running anymore.
- The reason is that gdb tries to get the registers and fails.
- In future we should have a special mode of the thread library
- in which we keep the process around until the actual join
- operation happened. */
- if (pds.p_exited != 0)
- return TD_OK;
-
- /* Yep, it matches. Call the callback function. */
- th.th_ta_p = (td_thragent_t *) ta;
- th.th_unique = descr;
- if (callback (&th, cbdata_p) != 0)
- return TD_DBERR;
-
- /* All done successfully. */
- return TD_OK;
-}
-
-
-td_err_e
-td_ta_thr_iter (const td_thragent_t *ta, td_thr_iter_f *callback,
- void *cbdata_p, td_thr_state_e state, int ti_pri,
- sigset_t *ti_sigmask_p, unsigned int ti_user_flags)
-{
- int pthread_threads_max;
- struct pthread_handle_struct *phc;
- td_err_e result = TD_OK;
- int cnt;
-#ifdef ALL_THREADS_STOPPED
- int num;
-#else
-# define num 1
-#endif
-
- LOG ("td_ta_thr_iter");
-
- /* Test whether the TA parameter is ok. */
- if (! ta_ok (ta))
- return TD_BADTA;
-
- pthread_threads_max = ta->pthread_threads_max;
- phc = (struct pthread_handle_struct *) alloca (sizeof (phc[0])
- * pthread_threads_max);
-
- /* First read only the main thread and manager thread information. */
- if (ps_pdread (ta->ph, ta->handles, phc,
- sizeof (struct pthread_handle_struct) * 2) != PS_OK)
- return TD_ERR; /* XXX Other error value? */
-
- /* Now handle these descriptors. */
- result = handle_descr (ta, callback, cbdata_p, state, ti_pri, 0,
- phc[0].h_descr);
- if (result != TD_OK)
- return result;
- result = handle_descr (ta, callback, cbdata_p, state, ti_pri, 1,
- phc[1].h_descr);
- if (result != TD_OK)
- return result;
-
- /* Read all the descriptors. */
- if (ps_pdread (ta->ph, ta->handles + 2, &phc[2],
- (sizeof (struct pthread_handle_struct)
- * (pthread_threads_max - 2))) != PS_OK)
- return TD_ERR; /* XXX Other error value? */
-
-#ifdef ALL_THREADS_STOPPED
- /* Read the number of currently active threads. */
- if (ps_pdread (ta->ph, ta->pthread_handles_num, &num, sizeof (int)) != PS_OK)
- return TD_ERR; /* XXX Other error value? */
-#endif
-
- /* Now get all descriptors, one after the other. */
- for (cnt = 2; cnt < pthread_threads_max && num > 0; ++cnt)
- if (phc[cnt].h_descr != NULL)
- {
-#ifdef ALL_THREADS_STOPPED
- /* First count this active thread. */
- --num;
-#endif
-
- result = handle_descr (ta, callback, cbdata_p, state, ti_pri, cnt,
- phc[cnt].h_descr);
- if (result != TD_OK)
- break;
- }
-
- return result;
-}