[0] | 1 | //libroar.c: |
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| 2 | |
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[690] | 3 | /* |
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[4708] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2011 |
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[690] | 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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[690] | 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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[4916] | 36 | /* ckport options: |
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[4923] | 37 | * ckport: ignore-symbol: sleep of target win32 -- checked by configure |
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[4916] | 38 | */ |
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| 39 | |
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[0] | 40 | #include "libroar.h" |
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| 41 | |
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[4243] | 42 | #ifndef roar_mm_mlock |
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| 43 | int roar_mm_mlock(const void *addr, size_t len) { |
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[1434] | 44 | #if defined(ROAR_TARGET_WIN32) |
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[4945] | 45 | /* GlobalLock() generates errors. Maybe we do not use correctly. |
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| 46 | * We just ignore that at the moment and throw NOSYS. |
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| 47 | * |
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| 48 | * return GlobalLock(addr) == addr ? 0 : -1; |
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| 49 | */ |
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| 50 | roar_err_set(ROAR_ERROR_NOSYS); |
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| 51 | return -1; |
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[1434] | 52 | #elif defined(ROAR_TARGET_MICROCONTROLLER) |
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| 53 | return 0; |
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[4554] | 54 | #elif defined(_SC_PAGESIZE) |
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[700] | 55 | long sz = sysconf(_SC_PAGESIZE); |
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| 56 | unsigned long int pos = (unsigned long int) addr; |
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| 57 | |
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| 58 | len += sz - (len % sz); |
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| 59 | |
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| 60 | pos -= pos % sz; |
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| 61 | |
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| 62 | return mlock((void*)pos, len); |
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[4554] | 63 | #else |
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[4945] | 64 | roar_err_set(ROAR_ERROR_NOSYS); |
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[4554] | 65 | return -1; |
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[1076] | 66 | #endif |
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[700] | 67 | } |
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[4243] | 68 | #endif |
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| 69 | |
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| 70 | #ifndef roar_mm_munlock |
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| 71 | int roar_mm_munlock(const void *addr, size_t len) { |
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| 72 | #if defined(ROAR_TARGET_WIN32) |
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| 73 | // TODO: find out what do do here. GlobalUnLock()? does such a function exist? |
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| 74 | // return GlobalLock(addr) == addr ? 0 : -1; |
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[4945] | 75 | roar_err_set(ROAR_ERROR_NOSYS); |
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[4243] | 76 | return -1; |
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| 77 | #elif defined(ROAR_TARGET_MICROCONTROLLER) |
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| 78 | return 0; |
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[4554] | 79 | #elif defined(_SC_PAGESIZE) |
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[4243] | 80 | long sz = sysconf(_SC_PAGESIZE); |
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| 81 | unsigned long int pos = (unsigned long int) addr; |
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| 82 | |
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| 83 | len += sz - (len % sz); |
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| 84 | |
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| 85 | pos -= pos % sz; |
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| 86 | |
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| 87 | return munlock((void*)pos, len); |
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[4554] | 88 | #else |
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[4945] | 89 | roar_err_set(ROAR_ERROR_NOSYS); |
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[4554] | 90 | return -1; |
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[4243] | 91 | #endif |
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| 92 | } |
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| 93 | #endif |
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| 94 | |
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| 95 | // for compatibility with old versions: |
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| 96 | int _ROAR_MLOCK(const void *addr, size_t len) { |
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| 97 | roar_debug_warn_obsolete("_ROAR_MLOCK", "roar_mm_mlock", NULL); |
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| 98 | return roar_mm_mlock(addr, len); |
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| 99 | } |
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[700] | 100 | |
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[4913] | 101 | int roar_usleep(uint_least32_t t) { |
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[4896] | 102 | #ifdef ROAR_TARGET_WIN32 |
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| 103 | Sleep(t/(uint_least32_t)1000); |
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[4913] | 104 | return 0; |
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[4896] | 105 | #elif defined(ROAR_HAVE_NANOSLEEP) |
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| 106 | struct timespec tv; |
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| 107 | struct timespec left; |
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| 108 | |
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| 109 | if ( t > (uint_least32_t)1000000 ) { |
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| 110 | tv.tv_sec = t/(uint_least32_t)1000000; |
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| 111 | t -= tv.tv_sec*(uint_least32_t)1000000; |
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| 112 | } else { |
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| 113 | tv.tv_sec = 0; |
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| 114 | } |
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| 115 | |
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| 116 | tv.tv_nsec = t*(uint_least32_t)1000; |
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| 117 | |
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| 118 | while (nanosleep(&tv, &left) == -1) |
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| 119 | memcpy(&tv, &left, sizeof(tv)); |
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[4913] | 120 | return 0; |
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[4896] | 121 | #elif defined(ROAR_HAVE_USLEEP) |
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| 122 | usleep(t); |
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[4913] | 123 | return 0; |
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[4896] | 124 | #else |
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| 125 | ROAR_ERR("roar_usleep(t=%llu): can not sleep: not implemented", (long long unsigned int)t); |
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| 126 | roar_strap(ROAR_TRAP_GROUP_LIBROAR, "usleep.not-implemented"); |
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| 127 | roar_err_set(ROAR_ERROR_NOSYS); |
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[4913] | 128 | return -1; |
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[4896] | 129 | #endif |
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| 130 | } |
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| 131 | |
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[4913] | 132 | int roar_sleep(int t) { |
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| 133 | if ( t < 0 ) { |
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| 134 | roar_err_set(ROAR_ERROR_CAUSALITY); |
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| 135 | return -1; |
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| 136 | } |
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| 137 | |
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[4915] | 138 | #ifdef ROAR_TARGET_WIN32 |
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| 139 | Sleep(1000L*(long)t); |
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| 140 | #else |
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[4913] | 141 | while (t) |
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| 142 | t = sleep(t); |
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[4915] | 143 | #endif |
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[4913] | 144 | |
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| 145 | return 0; |
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| 146 | } |
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| 147 | |
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[4965] | 148 | int roar_reset(int forked) { |
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| 149 | char c; |
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| 150 | int i; |
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| 151 | |
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| 152 | roar_err_set(ROAR_ERROR_NONE); |
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| 153 | |
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| 154 | for (i = 0; i < 16; i++) { |
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| 155 | roar_random_gen_nonce(&c, 1); |
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| 156 | roar_random_uint16(); |
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| 157 | roar_random_uint32(); |
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| 158 | } |
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| 159 | |
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| 160 | return 0; |
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| 161 | } |
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| 162 | |
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[0] | 163 | //ll |
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