diff options
Diffstat (limited to 'libpthread/nptl_db/td_ta_set_event.c')
| -rw-r--r-- | libpthread/nptl_db/td_ta_set_event.c | 79 | 
1 files changed, 79 insertions, 0 deletions
| diff --git a/libpthread/nptl_db/td_ta_set_event.c b/libpthread/nptl_db/td_ta_set_event.c new file mode 100644 index 000000000..29fc14bfb --- /dev/null +++ b/libpthread/nptl_db/td_ta_set_event.c @@ -0,0 +1,79 @@ +/* Globally enable events. +   Copyright (C) 1999,2001,2002,2003,2004 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Contributed by Ulrich Drepper <drepper@redhat.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" + + +td_err_e +td_ta_set_event (ta_arg, event) +     const td_thragent_t *ta_arg; +     td_thr_events_t *event; +{ +  td_thragent_t *const ta = (td_thragent_t *) ta_arg; +  td_err_e err; +  psaddr_t eventmask = 0; +  void *copy = NULL; + +  LOG ("td_ta_set_event"); + +  /* Test whether the TA parameter is ok.  */ +  if (! ta_ok (ta)) +    return TD_BADTA; + +  /* Fetch the old event mask from the inferior and modify it in place.  */ +  err = DB_GET_SYMBOL (eventmask, ta, __nptl_threads_events); +  if (err == TD_OK) +    err = DB_GET_STRUCT (copy, ta, eventmask, td_thr_events_t); +  if (err == TD_OK) +    { +      uint32_t idx; +      for (idx = 0; idx < TD_EVENTSIZE; ++idx) +	{ +	  psaddr_t word; +	  uint32_t mask; +	  err = DB_GET_FIELD_LOCAL (word, ta, copy, +				    td_thr_events_t, event_bits, idx); +	  if (err != TD_OK) +	    break; +	  mask = (uintptr_t) word; +	  mask |= event->event_bits[idx]; +	  word = (psaddr_t) (uintptr_t) mask; +	  err = DB_PUT_FIELD_LOCAL (ta, copy, +				    td_thr_events_t, event_bits, idx, word); +	  if (err != TD_OK) +	    break; +	} +      if (err == TD_NOAPLIC) +	{ +	  err = TD_OK; +	  while (idx < TD_EVENTSIZE) +	    if (event->event_bits[idx++] != 0) +	      { +		err = TD_NOEVENT; +		break; +	      } +	} +      if (err == TD_OK) +	/* Now write it back to the inferior.  */ +	err = DB_PUT_STRUCT (ta, eventmask, td_thr_events_t, copy); +    } + +  return err; +} | 
