diff options
Diffstat (limited to 'libpthread/linuxthreads_db/td_thr_clear_event.c')
-rw-r--r-- | libpthread/linuxthreads_db/td_thr_clear_event.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/libpthread/linuxthreads_db/td_thr_clear_event.c b/libpthread/linuxthreads_db/td_thr_clear_event.c new file mode 100644 index 000000000..8ef8cbbc4 --- /dev/null +++ b/libpthread/linuxthreads_db/td_thr_clear_event.c @@ -0,0 +1,57 @@ +/* Disable specific event for thread. + Copyright (C) 1999 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. 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_clear_event (th, event) + const td_thrhandle_t *th; + td_thr_events_t *event; +{ + td_thr_events_t old_event; + int i; + + LOG (__FUNCTION__); + + /* Write the new value into the thread data structure. */ + if (ps_pdread (th->th_ta_p->ph, + ((char *) th->th_unique + + offsetof (struct _pthread_descr_struct, + p_eventbuf.eventmask)), + &old_event, sizeof (td_thrhandle_t)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* Remove the set bits in. */ + for (i = 0; i < TD_EVENTSIZE; ++i) + old_event.event_bits[i] &= ~event->event_bits[i]; + + /* Write the new value into the thread data structure. */ + if (ps_pdwrite (th->th_ta_p->ph, + ((char *) th->th_unique + + offsetof (struct _pthread_descr_struct, + p_eventbuf.eventmask)), + &old_event, sizeof (td_thrhandle_t)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + return TD_OK; +} |