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//
// Copyright 2020 Staysail Systems, Inc. <info@staysail.tech>
// Copyright 2018 Capitar IT Group BV <info@capitar.com>
//
// This software is supplied under the terms of the MIT License, a
// copy of which should be located in the distribution where this
// file was obtained (LICENSE.txt). A copy of the license may also be
// found online at https://opensource.org/licenses/MIT.
//
#include "core/nng_impl.h"
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
static nni_mtx nni_init_mtx;
static nni_list nni_init_list;
static bool nni_inited = false;
extern int nni_tls_sys_init(void);
extern void nni_tls_sys_fini(void);
static int
nni_init_helper(void)
{
int rv;
nni_mtx_init(&nni_init_mtx);
NNI_LIST_INIT(&nni_init_list, nni_initializer, i_node);
nni_inited = true;
if (((rv = nni_stat_sys_init()) != 0) ||
((rv = nni_taskq_sys_init()) != 0) ||
((rv = nni_reap_sys_init()) != 0) ||
((rv = nni_timer_sys_init()) != 0) ||
((rv = nni_aio_sys_init()) != 0) ||
((rv = nni_sock_sys_init()) != 0) ||
((rv = nni_listener_sys_init()) != 0) ||
((rv = nni_dialer_sys_init()) != 0) ||
((rv = nni_pipe_sys_init()) != 0) ||
((rv = nni_tls_sys_init()) != 0) ||
((rv = nni_proto_sys_init()) != 0) ||
((rv = nni_tran_sys_init()) != 0)) {
nni_fini();
}
return (rv);
}
int
nni_init(void)
{
return (nni_plat_init(nni_init_helper));
}
void
nni_fini(void)
{
if (!nni_inited) {
return;
}
if (!nni_list_empty(&nni_init_list)) {
nni_initializer *init;
nni_mtx_lock(&nni_init_mtx);
while ((init = nni_list_first(&nni_init_list)) != NULL) {
if (init->i_fini != NULL) {
init->i_fini();
}
init->i_once = 0;
nni_list_remove(&nni_init_list, init);
}
nni_mtx_unlock(&nni_init_mtx);
}
nni_tran_sys_fini();
nni_proto_sys_fini();
nni_tls_sys_fini();
nni_pipe_sys_fini();
nni_dialer_sys_fini();
nni_listener_sys_fini();
nni_sock_sys_fini();
nni_reap_drain();
nni_aio_sys_fini();
nni_timer_sys_fini();
nni_taskq_sys_fini();
nni_reap_sys_fini(); // must be before timer and aio (expire)
nni_stat_sys_fini();
nni_mtx_fini(&nni_init_mtx);
nni_plat_fini();
nni_inited = false;
}
int
nni_initialize(nni_initializer *init)
{
int rv;
if (init->i_once) {
return (0);
}
nni_mtx_lock(&nni_init_mtx);
if (init->i_once) {
nni_mtx_unlock(&nni_init_mtx);
return (0);
}
if ((rv = init->i_init()) == 0) {
init->i_once = 1;
nni_list_append(&nni_init_list, init);
}
nni_mtx_unlock(&nni_init_mtx);
return (rv);
}
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