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| author | Mike Frysinger <vapier@gentoo.org> | 2005-11-15 03:13:04 +0000 | 
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2005-11-15 03:13:04 +0000 | 
| commit | a9f5aa1cc96fc2c71f19a9c3e9dcbee0e78f83ca (patch) | |
| tree | 2c5d251bdfd06d0a76cec9fc507b1873b4bbbdad /libpthread/linuxthreads_db/td_ta_thr_iter.c | |
| parent | fd6dde5a19092be5bb1990dadd5c595d2ed0b3aa (diff) | |
| download | uClibc-alpine-a9f5aa1cc96fc2c71f19a9c3e9dcbee0e78f83ca.tar.bz2 uClibc-alpine-a9f5aa1cc96fc2c71f19a9c3e9dcbee0e78f83ca.tar.xz  | |
rename current stable linuxthreads to linuxthreads.old to prepare for import of latest glibc version
Diffstat (limited to 'libpthread/linuxthreads_db/td_ta_thr_iter.c')
| -rw-r--r-- | libpthread/linuxthreads_db/td_ta_thr_iter.c | 174 | 
1 files changed, 0 insertions, 174 deletions
diff --git a/libpthread/linuxthreads_db/td_ta_thr_iter.c b/libpthread/linuxthreads_db/td_ta_thr_iter.c deleted file mode 100644 index 2dad149d5..000000000 --- a/libpthread/linuxthreads_db/td_ta_thr_iter.c +++ /dev/null @@ -1,174 +0,0 @@ -/* Iterate over a process's threads. -   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 "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.  */ -	  pds.p_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 = 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; -}  | 
