[3297] | 1 | //roardl.c: |
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| 2 | |
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| 3 | /* |
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[5381] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2012 |
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[3297] | 5 | * |
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| 6 | * This file is part of libroar a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * libroar is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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[3517] | 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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[3297] | 23 | * |
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| 24 | * NOTE for everyone want's to change something and send patches: |
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| 25 | * read README and HACKING! There a addition information on |
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| 26 | * the license of this document you need to read before you send |
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| 27 | * any patches. |
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| 28 | * |
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| 29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 30 | * or libpulse*: |
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| 31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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| 32 | * and are therefore GPL. Because of this it may be illigal to use |
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| 33 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 34 | */ |
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| 35 | |
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| 36 | #include "libroar.h" |
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| 37 | |
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[3367] | 38 | #if defined(ROAR_HAVE_LIBDL) && !defined(RTLD_NEXT) |
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| 39 | #define RTLD_NEXT ((void *) -1L) |
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| 40 | #endif |
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| 41 | |
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[5275] | 42 | struct roar_dl_lhandle { |
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[5317] | 43 | size_t refc; // currently unused. |
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| 44 | int flags; |
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| 45 | char * libname; // only used for ROAR_DL_FLAG_STATIC. |
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[5275] | 46 | struct roar_dl_librarypara * para; |
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| 47 | struct roar_dl_libraryinst * lib; |
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[5312] | 48 | struct { |
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| 49 | struct roar_error_state error_state; |
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| 50 | void * global_data; |
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| 51 | void * global_data_state; |
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[5317] | 52 | struct roar_notify_core * notifycore; |
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[5312] | 53 | } context; |
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[5275] | 54 | #if defined(ROAR_HAVE_LIBDL) |
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| 55 | void * handle; |
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| 56 | #endif |
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| 57 | }; |
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| 58 | |
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| 59 | |
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| 60 | struct roar_dl_librarypara * roar_dl_para_new(const char * args, void * binargv, |
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| 61 | const char * appname, const char * abiversion) { |
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| 62 | struct roar_dl_librarypara * ret = roar_mm_malloc(sizeof(struct roar_dl_librarypara)); |
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| 63 | ssize_t argc; |
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| 64 | int err; |
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| 65 | |
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| 66 | if ( ret == NULL ) |
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| 67 | return NULL; |
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| 68 | |
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| 69 | memset(ret, 0, sizeof(struct roar_dl_librarypara)); |
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| 70 | |
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| 71 | ret->version = ROAR_DL_LIBPARA_VERSION; |
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| 72 | ret->len = sizeof(struct roar_dl_librarypara); |
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| 73 | ret->refc = 1; |
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| 74 | ret->argc = 0; |
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| 75 | ret->argv = NULL; |
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| 76 | ret->args_store = NULL; |
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| 77 | ret->binargv = binargv; |
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| 78 | ret->appname = appname; |
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| 79 | ret->abiversion = abiversion; |
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| 80 | |
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| 81 | if ( args != NULL ) { |
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| 82 | ret->args_store = roar_mm_strdup(args); |
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| 83 | if ( ret->args_store == NULL ) { |
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| 84 | err = roar_error; |
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| 85 | roar_mm_free(ret); |
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| 86 | roar_error = err; |
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| 87 | return NULL; |
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| 88 | } |
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| 89 | |
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| 90 | argc = roar_keyval_split(&(ret->argv), ret->args_store, NULL, NULL, 0); |
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| 91 | if ( argc == -1 ) { |
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| 92 | err = roar_error; |
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| 93 | roar_mm_free(ret->args_store); |
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| 94 | roar_mm_free(ret); |
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| 95 | roar_error = err; |
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| 96 | return NULL; |
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| 97 | } |
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| 98 | |
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| 99 | ret->argc = argc; |
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| 100 | } |
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| 101 | |
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| 102 | return ret; |
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| 103 | } |
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| 104 | |
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| 105 | int roar_dl_para_ref (struct roar_dl_librarypara * para) { |
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| 106 | if ( para == NULL ) { |
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| 107 | roar_err_set(ROAR_ERROR_FAULT); |
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| 108 | return -1; |
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| 109 | } |
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| 110 | |
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| 111 | para->refc++; |
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| 112 | |
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| 113 | return 0; |
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| 114 | } |
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| 115 | |
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| 116 | int roar_dl_para_unref (struct roar_dl_librarypara * para) { |
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| 117 | if ( para == NULL ) { |
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| 118 | roar_err_set(ROAR_ERROR_FAULT); |
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| 119 | return -1; |
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| 120 | } |
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| 121 | |
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| 122 | para->refc--; |
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| 123 | |
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[5317] | 124 | if ( para->refc ) |
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| 125 | return 0; |
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| 126 | |
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| 127 | if ( para->notifycore != NULL ) |
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| 128 | roar_notify_core_unref(para->notifycore); |
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| 129 | |
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| 130 | if ( para->args_store != NULL ) { |
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| 131 | roar_mm_free(para->args_store); |
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| 132 | roar_mm_free(para->argv); |
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[5275] | 133 | } |
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| 134 | |
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[5317] | 135 | roar_mm_free(para); |
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| 136 | |
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[5275] | 137 | return 0; |
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| 138 | } |
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| 139 | int roar_dl_para_check_version (struct roar_dl_librarypara * para, |
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| 140 | const char * appname, const char * abiversion) { |
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| 141 | if ( para == NULL ) { |
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| 142 | roar_err_set(ROAR_ERROR_FAULT); |
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| 143 | return -1; |
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| 144 | } |
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| 145 | |
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| 146 | // check if both appnames are NULL or non-NULL. |
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| 147 | if ( (para->appname == NULL && appname != NULL) || (para->appname != NULL && appname == NULL) ) { |
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[5371] | 148 | roar_err_set(ROAR_ERROR_BADHOST); |
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[5275] | 149 | return -1; |
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| 150 | } |
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| 151 | |
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| 152 | // check if the appname matches if given. |
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| 153 | if ( para->appname != NULL && !!strcmp(para->appname, appname) ) { |
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[5371] | 154 | roar_err_set(ROAR_ERROR_BADHOST); |
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[5275] | 155 | return -1; |
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| 156 | } |
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| 157 | |
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| 158 | // check if both ABI versions are NULL or non-NULL. |
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| 159 | if ( (para->abiversion == NULL && abiversion != NULL) || (para->abiversion != NULL && abiversion == NULL) ) { |
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| 160 | roar_err_set(ROAR_ERROR_BADVERSION); |
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| 161 | return -1; |
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| 162 | } |
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| 163 | |
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| 164 | // check if the ABI versions matches if given. |
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| 165 | if ( para->abiversion != NULL && !!strcmp(para->abiversion, abiversion) ) { |
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| 166 | roar_err_set(ROAR_ERROR_BADVERSION); |
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| 167 | return -1; |
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| 168 | } |
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| 169 | |
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| 170 | return 0; |
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| 171 | } |
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| 172 | |
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| 173 | |
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[3297] | 174 | #if defined(ROAR_HAVE_LIBDL) |
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| 175 | static void * _roardl2ldl (struct roar_dl_lhandle * lhandle) { |
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[5317] | 176 | ROAR_DBG("_roardl2ldl(lhandle=%p) = ?", lhandle); |
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| 177 | |
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| 178 | if ( lhandle == ROAR_DL_HANDLE_DEFAULT ) { |
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| 179 | ROAR_DBG("_roardl2ldl(lhandle=%p) = %p", lhandle, (void*)RTLD_DEFAULT); |
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[3297] | 180 | return RTLD_DEFAULT; |
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[5317] | 181 | } |
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[3297] | 182 | |
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[5317] | 183 | if ( lhandle == ROAR_DL_HANDLE_NEXT ) { |
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| 184 | ROAR_DBG("_roardl2ldl(lhandle=%p) = %p", lhandle, (void*)RTLD_NEXT); |
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[3297] | 185 | return RTLD_NEXT; |
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[5317] | 186 | } |
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[3297] | 187 | |
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[5317] | 188 | ROAR_DBG("_roardl2ldl(lhandle=%p) = %p", lhandle, (void*)(lhandle->handle)); |
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[3297] | 189 | return lhandle->handle; |
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| 190 | } |
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| 191 | #endif |
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| 192 | |
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[5275] | 193 | struct roar_dl_lhandle * roar_dl_open(const char * filename, int flags, |
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| 194 | int ra_init, struct roar_dl_librarypara * para) { |
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[3298] | 195 | struct roar_dl_lhandle * ret = NULL; |
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[5317] | 196 | #if defined(ROAR_HAVE_LIBDL) |
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| 197 | #ifdef RTLD_DEEPBIND |
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[5344] | 198 | int libdl_flags = RTLD_DEEPBIND; |
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[5317] | 199 | #else |
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[5344] | 200 | int libdl_flags = 0; |
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[5317] | 201 | #endif |
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| 202 | #endif |
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[5275] | 203 | int err; |
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[3298] | 204 | |
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[5317] | 205 | if ( flags == ROAR_DL_FLAG_DEFAULTS ) |
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| 206 | flags = ROAR_DL_FLAG_NONE; |
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[3304] | 207 | |
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[5344] | 208 | #if defined(ROAR_HAVE_LIBDL) |
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| 209 | if ( flags & ROAR_DL_FLAG_LAZY ) { |
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| 210 | libdl_flags |= RTLD_LAZY; |
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| 211 | } else { |
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| 212 | libdl_flags |= RTLD_NOW; |
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| 213 | } |
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| 214 | #endif |
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| 215 | |
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[3304] | 216 | if ( (ret = roar_mm_malloc(sizeof(struct roar_dl_lhandle))) == NULL ) |
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| 217 | return NULL; |
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| 218 | |
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| 219 | memset(ret, 0, sizeof(struct roar_dl_lhandle)); |
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| 220 | |
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[5312] | 221 | roar_err_initstore(&(ret->context.error_state)); |
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| 222 | |
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[5317] | 223 | ret->flags = flags; |
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[5321] | 224 | ret->refc = 1; |
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[3366] | 225 | |
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[5317] | 226 | if ( flags & ROAR_DL_FLAG_STATIC ) { |
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| 227 | if ( filename == NULL ) { |
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| 228 | ret->libname = NULL; |
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| 229 | } else { |
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| 230 | ret->libname = roar_mm_strdup(filename); |
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| 231 | } |
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| 232 | } else { |
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| 233 | #if defined(ROAR_HAVE_LIBDL) |
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| 234 | ret->handle = dlopen(filename, libdl_flags); |
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[3304] | 235 | |
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[5317] | 236 | if ( ret->handle == NULL ) { |
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| 237 | ROAR_DBG("roar_dl_open(filename='%s', flags=%i, ra_init=%i, para=%p): Can not load library: %s", filename, flags, ra_init, para, roar_dl_errstr(ret)); |
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| 238 | roar_mm_free(ret); |
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| 239 | return NULL; |
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| 240 | } |
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[3304] | 241 | #else |
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[5317] | 242 | roar_mm_free(ret); |
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| 243 | roar_err_set(ROAR_ERROR_NOSYS); |
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| 244 | return NULL; |
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[3304] | 245 | #endif |
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[5317] | 246 | } |
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[3304] | 247 | |
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[5275] | 248 | ret->para = para; |
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[3298] | 249 | |
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| 250 | if ( ra_init ) { |
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[5275] | 251 | if ( roar_dl_ra_init(ret, NULL, para) == -1 ) { |
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| 252 | err = roar_error; |
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| 253 | ROAR_WARN("roar_dl_open(filename='%s', flags=%i, ra_init=%i, para=%p): Can not init RA lib: %s", filename, flags, ra_init, para, roar_error2str(err)); |
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| 254 | #if defined(ROAR_HAVE_LIBDL) |
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[5317] | 255 | if ( ret->handle != NULL ) |
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| 256 | dlclose(ret->handle); |
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[5275] | 257 | #endif |
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| 258 | roar_mm_free(ret); |
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| 259 | roar_error = err; |
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| 260 | return NULL; |
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| 261 | } |
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[3298] | 262 | } |
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| 263 | |
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[5275] | 264 | if ( para != NULL ) |
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| 265 | roar_dl_para_ref(para); |
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| 266 | |
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[3298] | 267 | return ret; |
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[3297] | 268 | } |
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| 269 | |
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[5321] | 270 | int roar_dl_ref (struct roar_dl_lhandle * lhandle) { |
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| 271 | if ( (void*)lhandle < (void*)128 ) { |
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[5275] | 272 | roar_err_set(ROAR_ERROR_BADFH); |
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[3301] | 273 | return -1; |
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[5275] | 274 | } |
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[3301] | 275 | |
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[5321] | 276 | lhandle->refc++; |
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| 277 | |
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| 278 | return 0; |
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| 279 | } |
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| 280 | |
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| 281 | int roar_dl_unref (struct roar_dl_lhandle * lhandle) { |
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| 282 | int ret = -1; |
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| 283 | |
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| 284 | if ( (void*)lhandle < (void*)128 ) { |
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| 285 | roar_err_set(ROAR_ERROR_BADFH); |
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| 286 | return -1; |
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| 287 | } |
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| 288 | |
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| 289 | lhandle->refc++; |
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| 290 | |
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| 291 | if ( lhandle->refc ) |
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| 292 | return 0; |
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| 293 | |
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[5317] | 294 | if ( lhandle->lib != NULL && lhandle->lib->unload != NULL ) { |
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| 295 | roar_dl_context_restore(lhandle); |
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[3301] | 296 | lhandle->lib->unload(lhandle->para, lhandle->lib); |
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[5317] | 297 | roar_dl_context_store(lhandle); |
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| 298 | } |
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[3301] | 299 | |
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[3297] | 300 | #if defined(ROAR_HAVE_LIBDL) |
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[5317] | 301 | if ( lhandle->handle == NULL ) { |
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| 302 | ret = 0; |
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| 303 | } else { |
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| 304 | ret = dlclose(_roardl2ldl(lhandle)); |
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| 305 | } |
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[3297] | 306 | #else |
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[3304] | 307 | ret = -1; |
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[3297] | 308 | #endif |
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[3304] | 309 | |
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[5312] | 310 | if ( lhandle->context.global_data != NULL ) |
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| 311 | roar_mm_free(lhandle->context.global_data); |
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| 312 | |
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[5275] | 313 | if ( lhandle->para != NULL ) |
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| 314 | roar_dl_para_unref(lhandle->para); |
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| 315 | |
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[5317] | 316 | if ( lhandle->libname != NULL ) |
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| 317 | roar_mm_free(lhandle->libname); |
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| 318 | |
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[3304] | 319 | roar_mm_free(lhandle); |
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| 320 | |
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| 321 | return ret; |
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[3297] | 322 | } |
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| 323 | |
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| 324 | void * roar_dl_getsym(struct roar_dl_lhandle * lhandle, const char * sym, int type) { |
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| 325 | #if defined(ROAR_HAVE_LIBDL) |
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[3776] | 326 | void * ret = dlsym(_roardl2ldl(lhandle), sym); |
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| 327 | |
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[5270] | 328 | (void)type; |
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| 329 | |
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[5317] | 330 | ROAR_DBG("roar_dl_getsym(lhandle=%p, sym='%s', type=%i): errno=%s, dlerror()='%s'", lhandle, sym, type, ret, strerror(errno), dlerror()); |
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[3776] | 331 | ROAR_DBG("roar_dl_getsym(lhandle=%p, sym='%s', type=%i) = %p", lhandle, sym, type, ret); |
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| 332 | |
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| 333 | return ret; |
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[3297] | 334 | #else |
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[5317] | 335 | ROAR_DBG("roar_dl_getsym(lhandle=%p, sym='%s', type=%i) = NULL // errno=NOSYS", lhandle, sym, type, ret); |
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| 336 | roar_err_set(ROAR_ERROR_NOSYS); |
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[3297] | 337 | return NULL; |
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| 338 | #endif |
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| 339 | } |
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| 340 | |
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[5275] | 341 | int roar_dl_ra_init(struct roar_dl_lhandle * lhandle, |
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| 342 | const char * prefix, |
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| 343 | struct roar_dl_librarypara * para) { |
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[3297] | 344 | #define _SUFFIX "_roaraudio_library_init" |
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| 345 | char name[80] = _SUFFIX; |
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| 346 | struct roar_dl_libraryinst * (*func)(struct roar_dl_librarypara * para); |
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| 347 | struct roar_dl_libraryinst * lib; |
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[5317] | 348 | struct roar_dl_lhandle * getsymhandle = lhandle; |
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[5312] | 349 | void * global_data_state = NULL; |
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[3300] | 350 | int i; |
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[3297] | 351 | |
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[3305] | 352 | if ( (void*)lhandle < (void*)128 ) { |
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| 353 | if ( prefix == NULL ) |
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| 354 | return -1; |
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| 355 | } else { |
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[5317] | 356 | if ( prefix == NULL ) |
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| 357 | prefix = lhandle->libname; |
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| 358 | |
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[5275] | 359 | if ( para == NULL ) |
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| 360 | para = lhandle->para; |
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[5317] | 361 | |
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| 362 | if ( lhandle->flags & ROAR_DL_FLAG_STATIC ) |
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| 363 | getsymhandle = ROAR_DL_HANDLE_DEFAULT; |
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[3305] | 364 | } |
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| 365 | |
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[3297] | 366 | |
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| 367 | if ( prefix != NULL ) { |
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[5008] | 368 | roar_mm_strscpy(name, "_"); |
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| 369 | roar_mm_strscat(name, prefix); |
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| 370 | roar_mm_strscat(name, _SUFFIX); |
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[3297] | 371 | } |
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| 372 | |
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[3307] | 373 | ROAR_DBG("roar_dl_ra_init(lhandle=%p, prefix='%s'): name='%s'", lhandle, prefix, name); |
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| 374 | |
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[5317] | 375 | if ( (func = roar_dl_getsym(getsymhandle, name, -1)) == NULL ) { |
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| 376 | ROAR_DBG("roar_dl_ra_init(lhandle=%p, prefix='%s') = -1", lhandle, prefix); |
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[3297] | 377 | return -1; |
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[5317] | 378 | } |
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[3297] | 379 | |
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[3307] | 380 | ROAR_DBG("roar_dl_ra_init(lhandle=%p, prefix='%s'): func=%p", lhandle, prefix, func); |
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| 381 | |
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[3300] | 382 | lib = func(para); |
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[3297] | 383 | |
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| 384 | if ( lib == NULL ) |
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| 385 | return -1; |
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| 386 | |
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[3300] | 387 | if ( lib->version != ROAR_DL_LIBINST_VERSION ) |
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| 388 | return -1; |
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| 389 | |
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| 390 | if ( sizeof(struct roar_dl_libraryinst) > lib->len ) |
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| 391 | return -1; |
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| 392 | |
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[5353] | 393 | if ( lib->host_appname != NULL || lib->host_abiversion != NULL ) { |
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| 394 | // check for correct host. |
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| 395 | if ( para == NULL ) { |
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| 396 | roar_err_set(ROAR_ERROR_INVAL); |
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| 397 | return -1; |
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| 398 | } |
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| 399 | if ( roar_dl_para_check_version(para, lib->host_appname, lib->host_abiversion) == -1 ) |
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| 400 | return -1; |
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| 401 | } |
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| 402 | |
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[5347] | 403 | if ( (lib->libdep == NULL && lib->libdep_len) || (lib->libdep != NULL && !lib->libdep_len) ) { |
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| 404 | roar_err_set(ROAR_ERROR_BADLIB); |
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| 405 | return -1; |
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| 406 | } |
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| 407 | |
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| 408 | if ( lib->libdep != NULL && lib->libdep_len ) { |
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| 409 | // dynamic loader infos are currently not supported. |
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| 410 | roar_err_set(ROAR_ERROR_NOTSUP); |
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| 411 | return -1; |
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| 412 | } |
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| 413 | |
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[3361] | 414 | if ( !((void*)lhandle < (void*)128) ) { |
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| 415 | lhandle->lib = lib; |
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[5312] | 416 | |
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| 417 | if ( lib->global_data_len ) { |
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| 418 | lhandle->context.global_data = roar_mm_malloc(lib->global_data_len); |
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| 419 | if ( lhandle->context.global_data == NULL ) |
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| 420 | return -1; |
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| 421 | |
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| 422 | if ( lib->global_data_init == NULL ) { |
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| 423 | memset(lhandle->context.global_data, 0, lib->global_data_len); |
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| 424 | } else { |
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| 425 | memcpy(lhandle->context.global_data, lib->global_data_init, lib->global_data_len); |
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| 426 | } |
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| 427 | } |
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| 428 | } |
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| 429 | |
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| 430 | if ( lib->global_data_pointer != NULL ) { |
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| 431 | global_data_state = *(lib->global_data_pointer); |
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[5313] | 432 | if ( (void*)lhandle < (void*)128 ) { |
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[5312] | 433 | *(lib->global_data_pointer) = lib->global_data_init; |
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| 434 | } else { |
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| 435 | *(lib->global_data_pointer) = lhandle->context.global_data; |
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| 436 | } |
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[3361] | 437 | } |
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| 438 | |
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[3300] | 439 | for (i = 0; i < ROAR_DL_FN_MAX; i++) { |
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| 440 | if ( lib->func[i] != NULL ) |
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| 441 | lib->func[i](para, lib); |
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| 442 | } |
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| 443 | |
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[5312] | 444 | if ( lib->global_data_pointer != NULL ) { |
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[5313] | 445 | if ( !((void*)lhandle < (void*)128) ) { |
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| 446 | *(lib->global_data_pointer) = global_data_state; |
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| 447 | } |
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[5312] | 448 | } |
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| 449 | |
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[3302] | 450 | return 0; |
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[3297] | 451 | } |
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| 452 | |
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[5275] | 453 | const char * roar_dl_errstr(struct roar_dl_lhandle * lhandle) { |
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[3364] | 454 | #if defined(ROAR_HAVE_LIBDL) |
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[5270] | 455 | (void)lhandle; |
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[3364] | 456 | return dlerror(); |
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| 457 | #else |
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| 458 | return NULL; |
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| 459 | #endif |
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| 460 | } |
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| 461 | |
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[5275] | 462 | struct roar_dl_librarypara * roar_dl_getpara(struct roar_dl_lhandle * lhandle) { |
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| 463 | if ( (void*)lhandle < (void*)128 ) { |
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| 464 | roar_err_set(ROAR_ERROR_NOTSUP); |
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| 465 | return NULL; |
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| 466 | } |
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| 467 | |
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| 468 | if ( lhandle->para == NULL ) { |
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| 469 | roar_err_set(ROAR_ERROR_NOENT); |
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| 470 | return NULL; |
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| 471 | } |
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| 472 | |
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| 473 | if ( roar_dl_para_ref(lhandle->para) == -1 ) |
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| 474 | return NULL; |
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| 475 | |
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| 476 | return lhandle->para; |
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| 477 | } |
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| 478 | |
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| 479 | const struct roar_dl_libraryname * roar_dl_getlibname(struct roar_dl_lhandle * lhandle) { |
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| 480 | if ( (void*)lhandle < (void*)128 ) { |
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| 481 | roar_err_set(ROAR_ERROR_NOTSUP); |
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| 482 | return NULL; |
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| 483 | } |
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| 484 | |
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| 485 | if ( lhandle->lib == NULL ) { |
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| 486 | roar_err_set(ROAR_ERROR_BADLIB); |
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| 487 | return NULL; |
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| 488 | } |
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| 489 | |
---|
| 490 | if ( lhandle->lib->libname == NULL ) { |
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| 491 | roar_err_set(ROAR_ERROR_NOENT); |
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| 492 | return NULL; |
---|
| 493 | } |
---|
| 494 | |
---|
| 495 | if ( lhandle->lib->libname->version != ROAR_DL_LIBNAME_VERSION ) { |
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| 496 | roar_err_set(ROAR_ERROR_BADVERSION); |
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| 497 | return NULL; |
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| 498 | } |
---|
| 499 | |
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| 500 | if ( lhandle->lib->libname->len != sizeof(struct roar_dl_libraryname) ) { |
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| 501 | roar_err_set(ROAR_ERROR_HOLE); |
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| 502 | return NULL; |
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| 503 | } |
---|
| 504 | |
---|
| 505 | return lhandle->lib->libname; |
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| 506 | } |
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| 507 | |
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[5312] | 508 | int roar_dl_context_restore(struct roar_dl_lhandle * lhandle) { |
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| 509 | struct roar_error_state error_state; |
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| 510 | |
---|
[5317] | 511 | ROAR_DBG("roar_dl_context_restore(lhandle=%p) = ?", lhandle); |
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| 512 | |
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[5312] | 513 | if ( (void*)lhandle < (void*)128 ) { |
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[5317] | 514 | ROAR_DBG("roar_dl_context_restore(lhandle=%p) = -1 // errno=NOTSUP", lhandle); |
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[5312] | 515 | roar_err_set(ROAR_ERROR_NOTSUP); |
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| 516 | return -1; |
---|
| 517 | } |
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| 518 | |
---|
| 519 | roar_err_store(&error_state); |
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| 520 | roar_err_restore(&(lhandle->context.error_state)); |
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| 521 | lhandle->context.error_state = error_state; |
---|
| 522 | |
---|
| 523 | if ( lhandle->lib->global_data_pointer != NULL ) { |
---|
[5317] | 524 | ROAR_DBG("roar_dl_context_restore(lhandle=%p): gptr(%p): %p -> %p", lhandle, |
---|
| 525 | lhandle->lib->global_data_pointer, *(lhandle->lib->global_data_pointer), lhandle->context.global_data); |
---|
[5312] | 526 | lhandle->context.global_data_state = *(lhandle->lib->global_data_pointer); |
---|
| 527 | *(lhandle->lib->global_data_pointer) = lhandle->context.global_data; |
---|
| 528 | } |
---|
| 529 | |
---|
[5317] | 530 | if ( lhandle->para->notifycore != NULL ) |
---|
| 531 | lhandle->context.notifycore = roar_notify_core_swap_global(lhandle->para->notifycore); |
---|
| 532 | |
---|
| 533 | ROAR_DBG("roar_dl_context_restore(lhandle=%p) = 0", lhandle); |
---|
[5312] | 534 | return 0; |
---|
| 535 | } |
---|
| 536 | |
---|
| 537 | int roar_dl_context_store(struct roar_dl_lhandle * lhandle) { |
---|
| 538 | struct roar_error_state error_state; |
---|
| 539 | |
---|
[5317] | 540 | ROAR_DBG("roar_dl_context_store(lhandle=%p) = ?", lhandle); |
---|
| 541 | |
---|
[5312] | 542 | if ( (void*)lhandle < (void*)128 ) { |
---|
[5317] | 543 | ROAR_DBG("roar_dl_context_store(lhandle=%p) = -1 // errno=NOTSUP", lhandle); |
---|
[5312] | 544 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
| 545 | return -1; |
---|
| 546 | } |
---|
| 547 | |
---|
[5317] | 548 | if ( lhandle->para->notifycore != NULL ) { |
---|
| 549 | roar_notify_core_unref(roar_notify_core_swap_global(lhandle->context.notifycore)); |
---|
| 550 | roar_notify_core_unref(lhandle->context.notifycore); |
---|
| 551 | lhandle->context.notifycore = NULL; |
---|
| 552 | } |
---|
| 553 | |
---|
[5312] | 554 | if ( lhandle->lib->global_data_pointer != NULL ) { |
---|
[5317] | 555 | ROAR_DBG("roar_dl_context_store(lhandle=%p): gptr(%p): %p -> %p", lhandle, |
---|
| 556 | lhandle->lib->global_data_pointer, *(lhandle->lib->global_data_pointer), lhandle->context.global_data_state); |
---|
[5312] | 557 | *(lhandle->lib->global_data_pointer) = lhandle->context.global_data_state; |
---|
| 558 | } |
---|
| 559 | |
---|
| 560 | roar_err_store(&error_state); |
---|
| 561 | roar_err_restore(&(lhandle->context.error_state)); |
---|
| 562 | lhandle->context.error_state = error_state; |
---|
| 563 | |
---|
[5317] | 564 | ROAR_DBG("roar_dl_context_store(lhandle=%p) = 0", lhandle); |
---|
[5312] | 565 | return 0; |
---|
| 566 | } |
---|
| 567 | |
---|
[5317] | 568 | int roar_dl_appsched_trigger(struct roar_dl_lhandle * lhandle, enum roar_dl_appsched_trigger trigger) { |
---|
[5335] | 569 | int (*func) (struct roar_dl_librarypara * para) = NULL; |
---|
[5317] | 570 | int ret; |
---|
| 571 | |
---|
| 572 | if ( (void*)lhandle < (void*)128 ) { |
---|
| 573 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
| 574 | return -1; |
---|
| 575 | } |
---|
| 576 | |
---|
| 577 | if ( lhandle->lib->appsched == NULL ) { |
---|
| 578 | roar_err_set(ROAR_ERROR_NOENT); |
---|
| 579 | return -1; |
---|
| 580 | } |
---|
| 581 | |
---|
| 582 | switch (trigger) { |
---|
| 583 | #define _trig(lname,uname) \ |
---|
| 584 | case ROAR_DL_APPSCHED_ ## uname : \ |
---|
[5335] | 585 | func = lhandle->lib->appsched->lname; \ |
---|
[5317] | 586 | break; |
---|
| 587 | _trig(init, INIT); |
---|
| 588 | _trig(free, FREE); |
---|
| 589 | _trig(update, UPDATE); |
---|
[5335] | 590 | _trig(tick, TICK); |
---|
| 591 | _trig(wait, WAIT); |
---|
| 592 | // use ifndef here so warnings of unhandled enum values will be shown in DEBUG mode. |
---|
| 593 | #ifndef DEBUG |
---|
| 594 | default: |
---|
| 595 | roar_err_set(ROAR_ERROR_BADRQC); |
---|
| 596 | return -1; |
---|
| 597 | break; |
---|
| 598 | #endif |
---|
[5317] | 599 | } |
---|
| 600 | |
---|
[5335] | 601 | if ( func == NULL ) { |
---|
| 602 | roar_err_set(ROAR_ERROR_NOENT); |
---|
| 603 | return -1; |
---|
| 604 | } |
---|
| 605 | |
---|
| 606 | roar_dl_context_restore(lhandle); |
---|
| 607 | ret = func(lhandle->para); |
---|
| 608 | roar_dl_context_store(lhandle); |
---|
| 609 | return ret; |
---|
[5317] | 610 | } |
---|
| 611 | |
---|
[3297] | 612 | //ll |
---|