glibc/linuxthreads_db/td_thr_event_enable.c

58 lines
1.7 KiB
C

/* Enable event process-wide.
Copyright (C) 1999, 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 "thread_dbP.h"
td_err_e
td_thr_event_enable (th, onoff)
const td_thrhandle_t *th;
int onoff;
{
LOG ("td_thr_event_enable");
/* Write the new value into the thread data structure. */
if (th->th_unique == NULL)
{
psaddr_t addr;
if (td_lookup (th->th_ta_p->ph, LINUXTHREADS_INITIAL_REPORT_EVENTS,
&addr) != PS_OK)
/* Cannot read the symbol. This should not happen. */
return TD_ERR;
if (ps_pdwrite (th->th_ta_p->ph, addr, &onoff, sizeof (int)) != PS_OK)
return TD_ERR;
return TD_OK;
}
if (ps_pdwrite (th->th_ta_p->ph,
((char *) th->th_unique
+ offsetof (struct _pthread_descr_struct,
p_report_events)),
&onoff, sizeof (int)) != PS_OK)
return TD_ERR; /* XXX Other error value? */
return TD_OK;
}