Emeric Vigier | 2f62582 | 2012-08-06 11:09:52 -0400 | [diff] [blame] | 1 | // Copyright (C) 2001-2005 Open Source Telecom Corporation. |
| 2 | // Copyright (C) 2006-2008 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 to the GNU General Public License, permission is |
| 19 | // granted for additional uses of the text contained in its release |
| 20 | // of Common C++. |
| 21 | // |
| 22 | // The exception is that, if you link the Common C++ library with other |
| 23 | // files to produce an executable, this does not by itself cause the |
| 24 | // resulting executable to be covered by the GNU General Public License. |
| 25 | // Your use of that executable is in no way restricted on account of |
| 26 | // linking the Common C++ library code into it. |
| 27 | // |
| 28 | // This exception does not however invalidate any other reasons why |
| 29 | // the executable file might be covered by the GNU General Public License. |
| 30 | // |
| 31 | // This exception applies only to the code released under the |
| 32 | // name Common C++. If you copy code from other releases into a copy of |
| 33 | // Common C++, as the General Public License permits, the exception does |
| 34 | // not apply to the code that you add in this way. To avoid misleading |
| 35 | // anyone as to the status of such modified files, you must delete |
| 36 | // this exception notice from them. |
| 37 | // |
| 38 | // If you write modifications of your own for Common C++, it is your choice |
| 39 | // whether to permit this exception to apply to your modifications. |
| 40 | // If you do not wish that, delete this exception notice. |
| 41 | |
| 42 | #include <cc++/buffer.h> |
| 43 | #include <iostream> |
| 44 | #include <cstdlib> |
| 45 | #include <cstdio> |
| 46 | |
| 47 | |
| 48 | #ifdef CCXX_NAMESPACES |
| 49 | using namespace std; |
| 50 | using namespace ost; |
| 51 | #endif |
| 52 | |
| 53 | |
| 54 | class MyThread : public Buffer, public Thread |
| 55 | { |
| 56 | private: |
| 57 | short chars[8]; |
| 58 | unsigned head, tail; |
| 59 | |
| 60 | void run(void); |
| 61 | size_t onWait(void *buf); |
| 62 | size_t onPost(void *buf); |
| 63 | size_t onPeek(void *buf); |
| 64 | |
| 65 | public: |
| 66 | MyThread(); |
| 67 | ~MyThread(); |
| 68 | }; |
| 69 | |
| 70 | |
| 71 | MyThread::MyThread() : |
| 72 | Buffer(8), Thread() |
| 73 | { |
| 74 | head = tail = 0; |
| 75 | } |
| 76 | |
| 77 | MyThread::~MyThread() |
| 78 | { |
| 79 | terminate(); |
| 80 | } |
| 81 | |
| 82 | size_t MyThread::onWait(void *buf) |
| 83 | { |
| 84 | char *bp = (char *)buf; |
| 85 | |
| 86 | *bp = (char)chars[head++]; |
| 87 | if(head >= 8) |
| 88 | head = 0; |
| 89 | return 1; |
| 90 | } |
| 91 | |
| 92 | size_t MyThread::onPost(void *buf) |
| 93 | { |
| 94 | char *bp = (char *)buf; |
| 95 | chars[tail++] = *bp; |
| 96 | if(tail >= 8) |
| 97 | tail = 0; |
| 98 | return 1; |
| 99 | } |
| 100 | |
| 101 | size_t MyThread::onPeek(void *buf) |
| 102 | { |
| 103 | char *bp = (char *)buf; |
| 104 | if(head == tail) |
| 105 | return 0; |
| 106 | |
| 107 | *bp = (char)chars[head]; |
| 108 | return 1; |
| 109 | } |
| 110 | |
| 111 | void MyThread::run(void) |
| 112 | { |
| 113 | int rc; |
| 114 | char cbuf; |
| 115 | for(;;) { |
| 116 | rc = wait(&cbuf, 5000); |
| 117 | if(rc < 0) |
| 118 | cout << "timeout" << endl; |
| 119 | else { |
| 120 | cout << "char " << cbuf << endl; |
| 121 | Thread::sleep(50); |
| 122 | } |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | extern "C" int main(int argc, char **argv) |
| 127 | { |
| 128 | char buffer[32]; |
| 129 | const char *cp; |
| 130 | MyThread *thr = new MyThread(); |
| 131 | thr->start(); |
| 132 | |
| 133 | for(;;) { |
| 134 | cin.getline(buffer, sizeof(buffer)); |
| 135 | if(!strnicmp(buffer, "bye", 3)) |
| 136 | break; |
| 137 | cp = buffer; |
| 138 | while(*cp) |
| 139 | thr->post((void *)(cp++), 0); |
| 140 | cout << "post complete!" << endl; |
| 141 | } |
| 142 | delete thr; |
| 143 | return 0; |
| 144 | } |
| 145 | |