1 /* @(#)dlfcn.h 1.5 18/03/21 Copyright 2015-2018 J. Schilling */ 2 /* 3 * Abstraction from dlfcn.h 4 * 5 * Copyright (c) 2015-2018 J. Schilling 6 */ 7 /* 8 * The contents of this file are subject to the terms of the 9 * Common Development and Distribution License, Version 1.0 only 10 * (the "License"). You may not use this file except in compliance 11 * with the License. 12 * 13 * See the file CDDL.Schily.txt in this distribution for details. 14 * A copy of the CDDL is also available via the Internet at 15 * http://www.opensource.org/licenses/cddl1.txt 16 * 17 * When distributing Covered Code, include this CDDL HEADER in each 18 * file and include the License file CDDL.Schily.txt from this distribution. 19 */ 20 21 #ifndef _SCHILY_DLFCN_H 22 #define _SCHILY_DLFCN_H 23 24 #ifndef _SCHILY_MCONFIG_H 25 #include <schily/mconfig.h> 26 #endif 27 28 #ifdef HAVE_DLFCN_H 29 #ifndef _INCL_DLFCN_H 30 #include <dlfcn.h> /* POSIX */ 31 #define _INCL_DLFCN_H 32 #define FOUND_DLFCN_H 33 #endif 34 #endif 35 36 #ifdef HAVE_DL_H 37 #ifndef FOUND_DLFCN_H 38 #ifndef _INCL_DL_H 39 #include <dl.h> /* HP-UX */ 40 #define _INCL_DL_H 41 #define FOUND_DLFCN_H 42 #endif 43 #endif 44 #endif 45 46 #if defined(HAVE_DLOPEN) && defined(HAVE_DLCLOSE) /* POSIX */ 47 #define HAVE_LOADABLE_LIBS 48 #endif 49 50 #if !defined(HAVE_LOADABLE_LIBS) && defined(HAVE_SHL_LOAD) /* HP-UX */ 51 #define HAVE_LOADABLE_LIBS 52 #endif 53 54 #if !defined(HAVE_LOADABLE_LIBS) && defined(HAVE_LOADLIBRARY) /* Win-DOS */ 55 #define HAVE_LOADABLE_LIBS 56 #endif 57 58 /* 59 * dlopen() modes 60 */ 61 #ifndef RTLD_LAZY /* The only mode in SunOS-4.0 */ 62 #define RTLD_LAZY 0x00001 63 #define RTLD_NOW 0x00002 64 #define RTLD_GLOBAL 0x00100 65 #define RTLD_LOCAL 0x00000 66 #endif 67 68 #ifdef __never_ 69 /* 70 * dlsym() speudo handles 71 * These handles are not valid on SunOS-4.0 72 */ 73 #ifndef RTLD_NEXT 74 #define RTLD_NEXT (void *)-1 75 #define RTLD_DEFAULT (void *)-2 76 #define RTLD_SELF (void *)-3 77 #endif 78 #endif 79 80 /* 81 * dlsym() speudo handle for SunOS-4.0 82 */ 83 #if defined(HAVE_DLSYM) && !defined(RTLD_SELF) 84 #define RTLD_SELF (void *)0 85 #endif 86 87 #ifdef __cplusplus 88 extern "C" { 89 #endif 90 91 #ifndef HAVE_DLOPEN 92 extern void *dlopen __PR((const char *__pathname, int mode)); 93 #endif 94 #ifndef HAVE_DLCLOSE 95 extern int dlclose __PR((void *__handle)); 96 #endif 97 #ifndef HAVE_DLSYM 98 extern void *dlsym __PR((void *__handle, const char *name)); 99 #endif 100 #ifndef HAVE_DLERROR 101 extern char *dlerror __PR((void)); 102 #endif 103 104 #ifdef __cplusplus 105 } 106 #endif 107 108 109 110 #endif /* _SCHILY_DLFCN_H */ 111