diff options
Diffstat (limited to 'resolv/gai_cancel.c')
-rw-r--r-- | resolv/gai_cancel.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/resolv/gai_cancel.c b/resolv/gai_cancel.c new file mode 100644 index 0000000000..13c64886a4 --- /dev/null +++ b/resolv/gai_cancel.c @@ -0,0 +1,48 @@ +/* Copyright (C) 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2001. + + 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 <netdb.h> +#include <pthread.h> + +#include "gai_misc.h" + + +int +gai_cancel (struct gaicb *gaicbp) +{ + int result = 0; + int status; + + /* Request the mutex. */ + pthread_mutex_lock (&__gai_requests_mutex); + + /* Find the request among those queued but not yet running. */ + status = __gai_remove_request (gaicbp); + if (status == 0) + result = EAI_CANCELED; + else if (status > 0) + result = EAI_NOTCANCELED; + else + result = EAI_ALLDONE; + + /* Release the mutex. */ + pthread_mutex_unlock (&__gai_requests_mutex); + + return result; +} |