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Diffstat (limited to 'src/common/abort.c')
| -rw-r--r-- | src/common/abort.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/common/abort.c b/src/common/abort.c new file mode 100644 index 0000000..37d730f --- /dev/null +++ b/src/common/abort.c @@ -0,0 +1,92 @@ +/* $Id: abort.c 2423 2010-03-13 07:09:49Z aturner $ */ + +/* + * Copyright (c) 2005-2010 Aaron Turner. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the names of the copyright owners nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" +#include "defines.h" +#include "common.h" + +#include <signal.h> +#include <stdlib.h> + +extern volatile int didsig; +extern COUNTER bytes_sent, pkts_sent, failed; +extern struct timeval begin, end; + +#ifdef DEBUG +extern int debug; +#endif + + +/** + * we've got a race condition, this is our workaround + */ +void +catcher(int signo) +{ + /* stdio in signal handlers causes a race condition, instead set a flag */ + if (signo == SIGINT) + didsig = 1; +} + +/** + * when we're sending only one packet at a time via <ENTER> + * then there's no race and we can quit now + * also called when didsig is set + */ +void +break_now(int signo) +{ + + if (signo == SIGINT || didsig) { + printf("\n"); + +/* +#ifdef ENABLE_VERBOSE + if (tcpdump.pid) + if (kill(tcpdump.pid, SIGTERM) != 0) + kill(tcpdump.pid, SIGKILL); +#endif +*/ + packet_stats(&begin, &end, bytes_sent, pkts_sent, failed); + exit(1); + } +} + +/* + Local Variables: + mode:c + indent-tabs-mode:nil + c-basic-offset:4 + End: +*/ + + |
