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d603b7c3a1
gpgkeys_finger.c (main): Call timeout functions before performing an action that could block for a long time. * ksutil.h, ksutil.c: New. Right now just contains timeout functions.
64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
/* ksutil.c - general keyserver utility functions
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* Copyright (C) 2004 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#include <config.h>
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#include <signal.h>
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#include <unistd.h>
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#include "keyserver.h"
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#include "ksutil.h"
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static void
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catch_alarm(int foo)
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{
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_exit(KEYSERVER_TIMEOUT);
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}
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unsigned int
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set_timeout(unsigned int seconds)
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{
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#ifdef HAVE_DOSISH_SYSTEM
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return 0;
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#else
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return alarm(seconds);
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#endif
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}
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int
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register_timeout(void)
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{
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#ifdef HAVE_DOSISH_SYSTEM
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return 0;
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#else
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#if defined(HAVE_SIGACTION) && defined(HAVE_STRUCT_SIGACTION)
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struct sigaction act;
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act.sa_handler=catch_alarm;
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sigemptyset(&act.sa_mask);
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act.sa_flags=0;
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return sigaction(SIGALRM,&act,NULL);
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#else
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if(signal(SIGALRM,catch_alarm)==SIG_ERR)
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return -1;
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else
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return 0;
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#endif
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#endif
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}
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