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Log signal number on exit

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This commit is contained in:
Denny Page
2022-02-28 10:07:30 -08:00
parent bc00923f62
commit efc17c7204
1 changed files with 24 additions and 21 deletions
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45
dpinger.c
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@@ -1,6 +1,6 @@
//
// Copyright (c) 2015-2020, Denny Page
// Copyright (c) 2015-2022, Denny Page
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
@@ -190,25 +190,6 @@ static uint16_t sequence_limit;
// Receive thread ready
static unsigned int recv_ready = 0;
//
// Termination handler
//
__attribute__ ((noreturn))
static void
term_handler(void)
{
// NB: This function may be simultaneously invoked by multiple threads
if (usocket_name)
{
(void) unlink(usocket_name);
}
if (pidfile_name)
{
(void) unlink(pidfile_name);
}
exit(0);
}
//
// Log for abnormal events
@@ -234,6 +215,28 @@ logger(
}
//
// Termination handler
//
__attribute__ ((noreturn))
static void
term_handler(
int signum)
{
// NB: This function may be simultaneously invoked by multiple threads
if (usocket_name)
{
(void) unlink(usocket_name);
}
if (pidfile_name)
{
(void) unlink(pidfile_name);
}
logger("exiting on signal %d\n", signum);
exit(0);
}
//
// Compute checksum for ICMP
//
@@ -840,7 +843,7 @@ get_length_arg(
static void
usage(void)
{
fprintf(stderr, "Dpinger version 3.1\n\n");
fprintf(stderr, "Dpinger version 3.2\n\n");
fprintf(stderr, "Usage:\n");
fprintf(stderr, " %s [-f] [-R] [-S] [-P] [-B bind_addr] [-s send_interval] [-l loss_interval] [-t time_period] [-r report_interval] [-d data_length] [-o output_file] [-A alert_interval] [-D latency_alarm] [-L loss_alarm] [-C alert_cmd] [-i identifier] [-u usocket] [-p pidfile] dest_addr\n\n", progname);
fprintf(stderr, " options:\n");