1*4afad4b7Schristos /* $NetBSD: lib.c,v 1.1 2024/02/18 20:57:49 christos Exp $ */
2*4afad4b7Schristos
3*4afad4b7Schristos /*
4*4afad4b7Schristos * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
5*4afad4b7Schristos *
6*4afad4b7Schristos * SPDX-License-Identifier: MPL-2.0
7*4afad4b7Schristos *
8*4afad4b7Schristos * This Source Code Form is subject to the terms of the Mozilla Public
9*4afad4b7Schristos * License, v. 2.0. If a copy of the MPL was not distributed with this
10*4afad4b7Schristos * file, you can obtain one at https://mozilla.org/MPL/2.0/.
11*4afad4b7Schristos *
12*4afad4b7Schristos * See the COPYRIGHT file distributed with this work for additional
13*4afad4b7Schristos * information regarding copyright ownership.
14*4afad4b7Schristos */
15*4afad4b7Schristos
16*4afad4b7Schristos /*! \file */
17*4afad4b7Schristos
18*4afad4b7Schristos #include <isc/bind9.h>
19*4afad4b7Schristos #include <isc/iterated_hash.h>
20*4afad4b7Schristos #include <isc/lib.h>
21*4afad4b7Schristos #include <isc/mem.h>
22*4afad4b7Schristos #include <isc/util.h>
23*4afad4b7Schristos
24*4afad4b7Schristos #include "config.h"
25*4afad4b7Schristos #include "mem_p.h"
26*4afad4b7Schristos #include "tls_p.h"
27*4afad4b7Schristos #include "trampoline_p.h"
28*4afad4b7Schristos
29*4afad4b7Schristos #ifndef ISC_CONSTRUCTOR
30*4afad4b7Schristos #error Either __attribute__((constructor|destructor))__ or DllMain support needed to compile BIND 9.
31*4afad4b7Schristos #endif
32*4afad4b7Schristos
33*4afad4b7Schristos /***
34*4afad4b7Schristos *** Functions
35*4afad4b7Schristos ***/
36*4afad4b7Schristos
37*4afad4b7Schristos void
isc_lib_register(void)38*4afad4b7Schristos isc_lib_register(void) {
39*4afad4b7Schristos isc_bind9 = false;
40*4afad4b7Schristos }
41*4afad4b7Schristos
42*4afad4b7Schristos #ifdef WIN32
43*4afad4b7Schristos int
isc_lib_ntservice(int (WINAPI * mainfunc)(int argc,char * argv[]),int argc,char * argv[])44*4afad4b7Schristos isc_lib_ntservice(int(WINAPI *mainfunc)(int argc, char *argv[]), int argc,
45*4afad4b7Schristos char *argv[]) {
46*4afad4b7Schristos isc__trampoline_t *trampoline = isc__trampoline_get(NULL, NULL);
47*4afad4b7Schristos int r;
48*4afad4b7Schristos
49*4afad4b7Schristos isc__trampoline_attach(trampoline);
50*4afad4b7Schristos
51*4afad4b7Schristos r = mainfunc(argc, argv);
52*4afad4b7Schristos
53*4afad4b7Schristos isc__trampoline_detach(trampoline);
54*4afad4b7Schristos
55*4afad4b7Schristos return (r);
56*4afad4b7Schristos }
57*4afad4b7Schristos #endif /* ifdef WIN32 */
58*4afad4b7Schristos
59*4afad4b7Schristos void
60*4afad4b7Schristos isc__initialize(void) ISC_CONSTRUCTOR;
61*4afad4b7Schristos void
62*4afad4b7Schristos isc__shutdown(void) ISC_DESTRUCTOR;
63*4afad4b7Schristos
64*4afad4b7Schristos void
isc__initialize(void)65*4afad4b7Schristos isc__initialize(void) {
66*4afad4b7Schristos isc__mem_initialize();
67*4afad4b7Schristos isc__tls_initialize();
68*4afad4b7Schristos isc__trampoline_initialize();
69*4afad4b7Schristos }
70*4afad4b7Schristos
71*4afad4b7Schristos void
isc__shutdown(void)72*4afad4b7Schristos isc__shutdown(void) {
73*4afad4b7Schristos isc__trampoline_shutdown();
74*4afad4b7Schristos isc__tls_shutdown();
75*4afad4b7Schristos isc__mem_shutdown();
76*4afad4b7Schristos }
77*4afad4b7Schristos
78*4afad4b7Schristos /*
79*4afad4b7Schristos * This is a workaround for situation when libisc is statically linked. Under
80*4afad4b7Schristos * normal situation, the linker throws out all symbols from compilation unit
81*4afad4b7Schristos * when no symbols are used in the final binary. This empty function must be
82*4afad4b7Schristos * called at least once from different compilation unit (mem.c in this case).
83*4afad4b7Schristos */
84*4afad4b7Schristos void
isc_enable_constructors()85*4afad4b7Schristos isc_enable_constructors() {
86*4afad4b7Schristos /* do nothing */
87*4afad4b7Schristos }
88