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/*
* This file is Copyright (c) 2011 by Eckhart Wörner
* BSD terms apply: see the file COPYING in the distribution root for details.
*/
#include <limits.h>
#include <stdlib.h>
#include <unistd.h>
#include "sd_socket.h"
int sd_get_socket_count(void) {
unsigned long n;
const char* env;
env = getenv("LISTEN_PID");
if (!env)
return 0;
n = strtoul(env, NULL, 10);
if (n == ULONG_MAX || (pid_t)n != getpid())
return 0;
env = getenv("LISTEN_FDS");
if (!env)
return 0;
n = strtoul(env, NULL, 10);
if (n == ULONG_MAX)
return 0;
return (int)n;
}
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