+++ /dev/null
-/* -*- c++ -*- */
-/*
- * Copyright 2006 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio.
- *
- * Primary Author: Michael Dickens, NCIP Lab, University of Notre Dame
- *
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- *
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifndef _INCLUDED_MLD_THREADS_H_
-#define _INCLUDED_MLD_THREADS_H_
-
-/* classes which allow for either pthreads or omni_threads */
-
-#define __macos__
-#ifdef _USE_OMNI_THREADS_
-#include <gnuradio/omnithread.h>
-#else
-#include <pthread.h>
-#endif
-
-#include <stdexcept>
-
-#define __INLINE__ inline
-#define DO_DEBUG 0
-
-#if DO_DEBUG
-#define DEBUG(X) do{X} while(0);
-#else
-#define DEBUG(X) do{} while(0);
-#endif
-
-class mld_condition_t;
-
-class mld_mutex_t {
-#ifdef _USE_OMNI_THREADS_
- typedef omni_mutex l_mutex, *l_mutex_ptr;
-#else
- typedef pthread_mutex_t l_mutex, *l_mutex_ptr;
-#endif
-
- friend class mld_condition_t;
-
-private:
- l_mutex_ptr d_mutex;
-
-protected:
- inline l_mutex_ptr mutex () { return (d_mutex); };
-
-public:
- __INLINE__ mld_mutex_t () {
-#ifdef _USE_OMNI_THREADS_
- d_mutex = new omni_mutex ();
-#else
- d_mutex = (l_mutex_ptr) new l_mutex;
- int l_ret = pthread_mutex_init (d_mutex, NULL);
- if (l_ret != 0) {
- fprintf (stderr, "Error %d creating mutex.\n", l_ret);
- throw std::runtime_error ("mld_mutex_t::mld_mutex_t()\n");
- }
-#endif
- };
-
- __INLINE__ ~mld_mutex_t () {
- unlock ();
-#ifndef _USE_OMNI_THREADS_
- int l_ret = pthread_mutex_destroy (d_mutex);
- if (l_ret != 0) {
- fprintf (stderr, "mld_mutex_t::~mld_mutex_t(): "
- "Error %d destroying mutex.\n", l_ret);
- }
-#endif
- delete d_mutex;
- d_mutex = NULL;
- };
-
- __INLINE__ void lock () {
-#ifdef _USE_OMNI_THREADS_
- d_mutex->lock ();
-#else
- int l_ret = pthread_mutex_lock (d_mutex);
- if (l_ret != 0) {
- fprintf (stderr, "mld_mutex_t::lock(): "
- "Error %d locking mutex.\n", l_ret);
- }
-#endif
- };
-
- __INLINE__ void unlock () {
-#ifdef _USE_OMNI_THREADS_
- d_mutex->unlock ();
-#else
- int l_ret = pthread_mutex_unlock (d_mutex);
- if (l_ret != 0) {
- fprintf (stderr, "mld_mutex_t::unlock(): "
- "Error %d locking mutex.\n", l_ret);
- }
-#endif
- };
-
- __INLINE__ bool trylock () {
-#ifdef _USE_OMNI_THREADS_
- int l_ret = d_mutex->trylock ();
-#else
- int l_ret = pthread_mutex_unlock (d_mutex);
-#endif
- return (l_ret == 0 ? true : false);
- };
-
- inline void acquire () { lock(); };
- inline void release () { unlock(); };
- inline void wait () { lock(); };
- inline void post () { unlock(); };
-};
-
-typedef mld_mutex_t mld_mutex, *mld_mutex_ptr;
-
-class mld_condition_t {
-#ifdef _USE_OMNI_THREADS_
- typedef omni_condition l_condition, *l_condition_ptr;
-#else
- typedef pthread_cond_t l_condition, *l_condition_ptr;
-#endif
-
-private:
- l_condition_ptr d_condition;
- mld_mutex_ptr d_mutex;
- bool d_i_own_mutex;
-
-public:
- __INLINE__ mld_condition_t (mld_mutex_ptr mutex = NULL) {
- if (mutex) {
- d_i_own_mutex = false;
- d_mutex = mutex;
- } else {
- d_i_own_mutex = true;
- d_mutex = new mld_mutex ();
- }
-#ifdef _USE_OMNI_THREADS_
- d_condition = new omni_condition (d_mutex->mutex ());
-#else
- d_condition = (l_condition_ptr) new l_condition;
- int l_ret = pthread_cond_init (d_condition, NULL);
- if (l_ret != 0) {
- fprintf (stderr, "Error %d creating condition.\n", l_ret);
- throw std::runtime_error ("mld_condition_t::mld_condition_t()\n");
- }
-#endif
- };
-
- __INLINE__ ~mld_condition_t () {
- signal ();
-#ifndef _USE_OMNI_THREADS_
- int l_ret = pthread_cond_destroy (d_condition);
- if (l_ret != 0) {
- fprintf (stderr, "mld_condition_t::mld_condition_t(): "
- "Error %d destroying condition.\n", l_ret);
- }
-#endif
- delete d_condition;
- d_condition = NULL;
- if (d_i_own_mutex)
- delete d_mutex;
- d_mutex = NULL;
- };
-
- __INLINE__ mld_mutex_ptr mutex () {return (d_mutex);};
-
- __INLINE__ void signal () {
- DEBUG (fprintf (stderr, "a "));
-
-#ifdef _USE_OMNI_THREADS_
- d_condition->signal ();
-#else
- int l_ret = pthread_cond_signal (d_condition);
- if (l_ret != 0) {
- fprintf (stderr, "mld_condition_t::signal(): "
- "Error %d.\n", l_ret);
- }
-#endif
- DEBUG (fprintf (stderr, "b "));
- };
-
- __INLINE__ void wait () {
- DEBUG (fprintf (stderr, "c "));
-#ifdef _USE_OMNI_THREADS_
- d_condition->wait ();
-#else
- int l_ret = pthread_cond_wait (d_condition, d_mutex->mutex ());
- if (l_ret != 0) {
- fprintf (stderr, "mld_condition_t::wait(): "
- "Error %d.\n", l_ret);
- }
-#endif
- DEBUG (printf (stderr, "d "));
- };
-};
-
-typedef mld_condition_t mld_condition, *mld_condition_ptr;
-
-class mld_thread_t {
-#ifdef _USE_OMNI_THREADS_
- typedef omni_thread l_thread, *l_thread_ptr;
-#else
- typedef pthread_t l_thread, *l_thread_ptr;
-#endif
-
-private:
-#ifndef _USE_OMNI_THREADS_
- l_thread d_thread;
- void (*d_start_routine)(void*);
- void *d_arg;
-#else
- l_thread_ptr d_thread;
-#endif
-
-#ifndef _USE_OMNI_THREADS_
- static void* local_start_routine (void *arg) {
- mld_thread_t* This = (mld_thread_t*) arg;
- (*(This->d_start_routine))(This->d_arg);
- return (NULL);
- };
-#endif
-
-public:
- __INLINE__ mld_thread_t (void (*start_routine)(void *), void *arg) {
-#ifdef _USE_OMNI_THREADS_
- d_thread = new omni_thread (start_routine, arg);
- d_thread->start ();
-#else
- d_start_routine = start_routine;
- d_arg = arg;
- int l_ret = pthread_create (&d_thread, NULL, local_start_routine, this);
- if (l_ret != 0) {
- fprintf (stderr, "Error %d creating thread.\n", l_ret);
- throw std::runtime_error ("mld_thread_t::mld_thread_t()\n");
- }
-#endif
- };
-
- __INLINE__ ~mld_thread_t () {
-#ifdef _USE_OMNI_THREADS_
-// delete d_thread;
- d_thread = NULL;
-#else
- int l_ret = pthread_detach (d_thread);
- if (l_ret != 0) {
- fprintf (stderr, "Error %d detaching thread.\n", l_ret);
- throw std::runtime_error ("mld_thread_t::~mld_thread_t()\n");
- }
-#endif
- };
-};
-
-typedef mld_thread_t mld_thread, *mld_thread_ptr;
-
-#endif /* _INCLUDED_MLD_THREADS_H_ */
projects / debian / gnuradio / blobdiff