Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** This program 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

#include "zbxnix.h"

#include "sigcommon.h"

​

#include "zbxcommon.h"

#include "fatal.h"

#include "zbxcomms.h"

#include "zbxthreads.h"

​

#define ZBX_EXIT_NONE       0

#define ZBX_EXIT_SUCCESS    1

#define ZBX_EXIT_FAILURE    2

​

static int  sig_parent_pid = -1;

​

static const pid_t  *child_pids = NULL;

static size_t       child_pid_count = 0;

​

void    set_sig_parent_pid(int in)

{

    sig_parent_pid = in;

}

​

int get_sig_parent_pid(void)

{

    return sig_parent_pid;

}

​

typedef struct

{

    int sig;

    int pid;

    int uid;

    int code;

    int status;

}

zbx_siginfo_t;

​

static volatile sig_atomic_t    sig_exiting;

static volatile sig_atomic_t    sig_exit_on_terminate = 1;

static zbx_on_exit_t        zbx_on_exit_cb = NULL;

static void             *zbx_on_exit_args = NULL;

​

static zbx_siginfo_t    siginfo_exit = {-1, -1, -1, -1, -1};

​

static void set_siginfo_exit(int sig, siginfo_t *siginfo)

{

    siginfo_exit.sig = sig;

    siginfo_exit.pid = SIG_CHECKED_FIELD(siginfo, si_pid);

    siginfo_exit.uid = SIG_CHECKED_FIELD(siginfo, si_uid);