Emeric Vigier | 2f62582 | 2012-08-06 11:09:52 -0400 | [diff] [blame] | 1 | // Copyright (C) 1999-2005 Open Source Telecom Corporation. |
| 2 | // Copyright (C) 2006-2010 David Sugar, Tycho Softworks. |
| 3 | // |
| 4 | // This program is free software; you can redistribute it and/or modify |
| 5 | // it under the terms of the GNU General Public License as published by |
| 6 | // the Free Software Foundation; either version 2 of the License, or |
| 7 | // (at your option) any later version. |
| 8 | // |
| 9 | // This program is distributed in the hope that it will be useful, |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | // GNU General Public License for more details. |
| 13 | // |
| 14 | // You should have received a copy of the GNU General Public License |
| 15 | // along with this program; if not, write to the Free Software |
| 16 | // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | // |
| 18 | // As a special exception, you may use this file as part of a free software |
| 19 | // library without restriction. Specifically, if other files instantiate |
| 20 | // templates or use macros or inline functions from this file, or you compile |
| 21 | // this file and link it with other files to produce an executable, this |
| 22 | // file does not by itself cause the resulting executable to be covered by |
| 23 | // the GNU General Public License. This exception does not however |
| 24 | // invalidate any other reasons why the executable file might be covered by |
| 25 | // the GNU General Public License. |
| 26 | // |
| 27 | // This exception applies only to the code released under the name GNU |
| 28 | // Common C++. If you copy code from other releases into a copy of GNU |
| 29 | // Common C++, as the General Public License permits, the exception does |
| 30 | // not apply to the code that you add in this way. To avoid misleading |
| 31 | // anyone as to the status of such modified files, you must delete |
| 32 | // this exception notice from them. |
| 33 | // |
| 34 | // If you write modifications of your own for GNU Common C++, it is your choice |
| 35 | // whether to permit this exception to apply to your modifications. |
| 36 | // If you do not wish that, delete this exception notice. |
| 37 | // |
| 38 | |
| 39 | #include <cc++/config.h> |
| 40 | #include <cc++/export.h> |
| 41 | #include <cc++/thread.h> |
| 42 | #include "private.h" |
| 43 | |
| 44 | #include <cstdlib> |
| 45 | |
| 46 | #ifndef WIN32 |
| 47 | |
| 48 | #include <sys/time.h> |
| 49 | #ifdef SIGTSTP |
| 50 | #include <sys/file.h> |
| 51 | #include <sys/ioctl.h> |
| 52 | #endif |
| 53 | |
| 54 | #ifndef _PATH_TTY |
| 55 | #define _PATH_TTY "/dev/tty" |
| 56 | #endif |
| 57 | |
| 58 | #endif // !WIN32 |
| 59 | |
| 60 | #ifdef CCXX_NAMESPACES |
| 61 | namespace ost { |
| 62 | #endif |
| 63 | |
| 64 | #ifndef WIN32 |
| 65 | |
| 66 | timespec *getTimeout(struct timespec *spec, timeout_t timer) |
| 67 | { |
| 68 | static struct timespec myspec; |
| 69 | |
| 70 | if(spec == NULL) |
| 71 | spec = &myspec; |
| 72 | |
| 73 | #ifdef PTHREAD_GET_EXPIRATION_NP |
| 74 | struct timespec offset; |
| 75 | |
| 76 | offset.tv_sec = timer / 1000; |
| 77 | offset.tv_nsec = (timer % 1000) * 1000000; |
| 78 | pthread_get_expiration_np(&offset, spec); |
| 79 | #else |
| 80 | struct timeval current; |
| 81 | |
| 82 | SysTime::getTimeOfDay(¤t); |
| 83 | spec->tv_sec = current.tv_sec + ((timer + current.tv_usec / 1000) / 1000); |
| 84 | spec->tv_nsec = ((current.tv_usec / 1000 + timer) % 1000) * 1000000; |
| 85 | |
| 86 | #endif |
| 87 | return spec; |
| 88 | } |
| 89 | |
| 90 | #if !defined(__CYGWIN32__) && !defined(__MINGW32__) |
| 91 | void wait(signo_t signo) |
| 92 | { |
| 93 | sigset_t mask; |
| 94 | |
| 95 | sigemptyset(&mask); |
| 96 | sigaddset(&mask, signo); |
| 97 | #ifdef HAVE_SIGWAIT2 |
| 98 | sigwait(&mask, &signo); |
| 99 | #else |
| 100 | sigwait(&mask); |
| 101 | #endif |
| 102 | } |
| 103 | #endif |
| 104 | |
| 105 | /* |
| 106 | void Thread::yield(void) |
| 107 | { |
| 108 | #ifdef HAVE_PTHREAD_YIELD |
| 109 | pthread_yield(); |
| 110 | #endif |
| 111 | } |
| 112 | */ |
| 113 | |
| 114 | #ifdef CCXX_SIG_THREAD_CANCEL |
| 115 | |
| 116 | #if defined(HAVE_PTHREAD_NANOSLEEP) || defined(HAVE_PTHREAD_DELAY) |
| 117 | void Thread::sleep(timeout_t timeout) |
| 118 | { |
| 119 | struct timespec ts; |
| 120 | Cancel old = Thread::enterCancel(); |
| 121 | |
| 122 | ts.tv_sec = timeout / 1000; |
| 123 | ts.tv_nsec = (timeout % 1000) * 1000000000; |
| 124 | #ifdef HAVE_PTHREAD_DELAY |
| 125 | pthread_delay(&ts); |
| 126 | #else |
| 127 | nanosleep(&ts); |
| 128 | #endif |
| 129 | Thread::exitCancel(old); |
| 130 | } |
| 131 | #else |
| 132 | void Thread::sleep(timeout_t timeout) |
| 133 | { |
| 134 | Cancel old = Thread::enterCancel(); |
| 135 | usleep(timeout * 1000); |
| 136 | Thread::exitCancel(old); |
| 137 | } |
| 138 | #endif |
| 139 | |
| 140 | #else |
| 141 | |
| 142 | #if defined(HAVE_PTHREAD_DELAY) || defined(HAVE_PTHREAD_NANOSLEEP) |
| 143 | |
| 144 | void Thread::sleep(timeout_t timeout) |
| 145 | { |
| 146 | struct timespec timer; |
| 147 | timer.tv_sec = timeout / 1000; |
| 148 | timer.tv_nsec = (timeout % 1000) * 1000000; |
| 149 | |
| 150 | #ifdef HAVE_PTHREAD_DELAY |
| 151 | pthread_delay(&timer); |
| 152 | #else |
| 153 | nanosleep(&timer); |
| 154 | #endif |
| 155 | } |
| 156 | |
| 157 | #else |
| 158 | |
| 159 | void Thread::sleep(timeout_t timeout) |
| 160 | { |
| 161 | usleep(timeout * 1000); |
| 162 | } |
| 163 | #endif |
| 164 | |
| 165 | #endif |
| 166 | |
| 167 | #endif // !WIN32 |
| 168 | |
| 169 | #ifdef CCXX_NAMESPACES |
| 170 | } |
| 171 | #endif |
| 172 | |
| 173 | /** EMACS ** |
| 174 | * Local variables: |
| 175 | * mode: c++ |
| 176 | * c-basic-offset: 4 |
| 177 | * End: |
| 178 | */ |