[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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[0] | 36 | #include "libroar.h" |
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| 37 | |
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[4243] | 38 | #ifndef roar_mm_mlock |
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| 39 | int roar_mm_mlock(const void *addr, size_t len) { |
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[1434] | 40 | #if defined(ROAR_TARGET_WIN32) |
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| 41 | return GlobalLock(addr) == addr ? 0 : -1; |
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| 42 | #elif defined(ROAR_TARGET_MICROCONTROLLER) |
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| 43 | return 0; |
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[4554] | 44 | #elif defined(_SC_PAGESIZE) |
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[700] | 45 | long sz = sysconf(_SC_PAGESIZE); |
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| 46 | unsigned long int pos = (unsigned long int) addr; |
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| 47 | |
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| 48 | len += sz - (len % sz); |
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| 49 | |
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| 50 | pos -= pos % sz; |
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| 51 | |
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| 52 | return mlock((void*)pos, len); |
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[4554] | 53 | #else |
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| 54 | return -1; |
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[1076] | 55 | #endif |
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[700] | 56 | } |
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[4243] | 57 | #endif |
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| 58 | |
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| 59 | #ifndef roar_mm_munlock |
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| 60 | int roar_mm_munlock(const void *addr, size_t len) { |
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| 61 | #if defined(ROAR_TARGET_WIN32) |
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| 62 | // TODO: find out what do do here. GlobalUnLock()? does such a function exist? |
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| 63 | // return GlobalLock(addr) == addr ? 0 : -1; |
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| 64 | return -1; |
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| 65 | #elif defined(ROAR_TARGET_MICROCONTROLLER) |
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| 66 | return 0; |
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[4554] | 67 | #elif defined(_SC_PAGESIZE) |
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[4243] | 68 | long sz = sysconf(_SC_PAGESIZE); |
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| 69 | unsigned long int pos = (unsigned long int) addr; |
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| 70 | |
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| 71 | len += sz - (len % sz); |
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| 72 | |
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| 73 | pos -= pos % sz; |
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| 74 | |
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| 75 | return munlock((void*)pos, len); |
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[4554] | 76 | #else |
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| 77 | return -1; |
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[4243] | 78 | #endif |
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| 79 | } |
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| 80 | #endif |
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| 81 | |
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| 82 | // for compatibility with old versions: |
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| 83 | int _ROAR_MLOCK(const void *addr, size_t len) { |
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| 84 | roar_debug_warn_obsolete("_ROAR_MLOCK", "roar_mm_mlock", NULL); |
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| 85 | return roar_mm_mlock(addr, len); |
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| 86 | } |
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[700] | 87 | |
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[4790] | 88 | void * roar_mm_memdup(const void * s, size_t len) { |
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| 89 | void * ret = roar_mm_malloc(len); |
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| 90 | |
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| 91 | if ( ret == NULL ) |
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| 92 | return NULL; |
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| 93 | |
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| 94 | memcpy(ret, s, len); |
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| 95 | |
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| 96 | return ret; |
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| 97 | } |
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| 98 | |
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[4913] | 99 | int roar_usleep(uint_least32_t t) { |
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[4896] | 100 | #ifdef ROAR_TARGET_WIN32 |
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| 101 | Sleep(t/(uint_least32_t)1000); |
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[4913] | 102 | return 0; |
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[4896] | 103 | #elif defined(ROAR_HAVE_NANOSLEEP) |
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| 104 | struct timespec tv; |
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| 105 | struct timespec left; |
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| 106 | |
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| 107 | if ( t > (uint_least32_t)1000000 ) { |
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| 108 | tv.tv_sec = t/(uint_least32_t)1000000; |
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| 109 | t -= tv.tv_sec*(uint_least32_t)1000000; |
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| 110 | } else { |
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| 111 | tv.tv_sec = 0; |
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| 112 | } |
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| 113 | |
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| 114 | tv.tv_nsec = t*(uint_least32_t)1000; |
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| 115 | |
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| 116 | while (nanosleep(&tv, &left) == -1) |
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| 117 | memcpy(&tv, &left, sizeof(tv)); |
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[4913] | 118 | return 0; |
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[4896] | 119 | #elif defined(ROAR_HAVE_USLEEP) |
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| 120 | usleep(t); |
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[4913] | 121 | return 0; |
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[4896] | 122 | #else |
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| 123 | ROAR_ERR("roar_usleep(t=%llu): can not sleep: not implemented", (long long unsigned int)t); |
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| 124 | roar_strap(ROAR_TRAP_GROUP_LIBROAR, "usleep.not-implemented"); |
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| 125 | roar_err_set(ROAR_ERROR_NOSYS); |
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[4913] | 126 | return -1; |
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[4896] | 127 | #endif |
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| 128 | } |
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| 129 | |
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[4913] | 130 | int roar_sleep(int t) { |
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| 131 | if ( t < 0 ) { |
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| 132 | roar_err_set(ROAR_ERROR_CAUSALITY); |
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| 133 | return -1; |
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| 134 | } |
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| 135 | |
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[4915] | 136 | #ifdef ROAR_TARGET_WIN32 |
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| 137 | Sleep(1000L*(long)t); |
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| 138 | #else |
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[4913] | 139 | while (t) |
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| 140 | t = sleep(t); |
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[4915] | 141 | #endif |
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[4913] | 142 | |
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| 143 | return 0; |
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| 144 | } |
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| 145 | |
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[0] | 146 | //ll |
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