119 lines
2.8 KiB
C
119 lines
2.8 KiB
C
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/*******************************************************************************/
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/* Copyright (C) 2008 Jonathan Moore Liles */
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/* */
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/* This program is free software; you can redistribute it and/or modify it */
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/* under the terms of the GNU General Public License as published by the */
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/* Free Software Foundation; either version 2 of the License, or (at your */
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/* option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, but WITHOUT */
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
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/* more details. */
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/* */
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/* You should have received a copy of the GNU General Public License along */
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/* with This program; see the file COPYING. If not,write to the Free Software */
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/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*******************************************************************************/
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#include "Thread.H"
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#include <assert.h>
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#include <string.h>
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pthread_key_t Thread::_current = 0;
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Thread::Thread ( )
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{
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_thread = 0;
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_name = 0;
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}
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Thread::Thread ( const char *name )
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{
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_thread = 0;
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_name = name;
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}
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void
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Thread::init ( void )
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{
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pthread_key_create( &_current, NULL );
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}
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bool
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Thread::is ( const char *name )
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{
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return ! strcmp( Thread::current()->name(), name );
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}
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/** to be used by existing threads (that won't call clone()) */
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void
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Thread::set ( const char *name )
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{
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_thread = pthread_self();
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_name = name;
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pthread_setspecific( _current, (void*)this );
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}
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Thread *
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Thread::current ( void )
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{
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return (Thread*)pthread_getspecific( _current );
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}
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struct thread_data
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{
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void *(*entry_point)(void *);
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void *arg;
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void *t;
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};
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void *
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Thread::run_thread ( void *arg )
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{
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thread_data td = *(thread_data *)arg;
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delete (thread_data*)arg;
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pthread_setspecific( _current, td.t );
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return td.entry_point( td.arg );
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}
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bool
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Thread::clone ( void *(*entry_point)(void *), void *arg )
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{
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assert( ! _thread );
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thread_data *td = new thread_data;
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td->entry_point = entry_point;
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td->arg = arg;
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td->t = this;
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if ( pthread_create( &_thread, NULL, run_thread, td ) != 0 )
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return false;
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return true;
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}
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void
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Thread::detach ( void )
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{
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pthread_detach( _thread );
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_thread = 0;
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}
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void
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Thread::join ( void )
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{
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pthread_join( _thread, NULL );
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_thread = 0;
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}
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