116 lines
2.9 KiB
C
116 lines
2.9 KiB
C
/*
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threads.c - Manage threads
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Copyright (C) Lumiera.org
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2008, Christian Thaeter <ct@pipapo.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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//TODO: Support library includes//
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//TODO: Lumiera header includes//
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#include "threads.h"
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//TODO: internal/static forward declarations//
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//TODO: System includes//
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#include <pthread.h>
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/**
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* @file
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*
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*/
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//NOBUG_DEFINE_FLAG_PARENT (threads, lumiera); /*TODO insert a suitable/better parent flag here */
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//code goes here//
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/* really dumb mutex, to make the mockup little less brittle */
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static pthread_mutex_t threads_mutex = PTHREAD_MUTEX_INITIALIZER;
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static pthread_once_t attr_once = PTHREAD_ONCE_INIT;
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static pthread_attr_t attrs;
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static void thread_attr_init (void)
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{
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pthread_attr_init (&attrs);
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pthread_attr_setdetachstate (&attrs, PTHREAD_CREATE_DETACHED);
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pthread_attr_setdetachstate (&attrs, PTHREAD_CREATE_DETACHED);
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}
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struct lumiera_thread_mockup
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{
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void (*fn)(void*);
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void* arg;
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};
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static void* pthread_runner (void* thread)
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{
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struct lumiera_thread_mockup* starter = (struct lumiera_thread_mockup*) thread;
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(void) starter;
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pthread_mutex_lock (&threads_mutex);
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pthread_mutex_unlock (&threads_mutex);
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starter->fn (starter->arg);
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return NULL;
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}
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LumieraThread
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lumiera_thread_run (enum lumiera_thread_class kind,
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void (*start_routine)(void *),
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void * arg,
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LumieraCondition finished,
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const char* purpose,
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struct nobug_flag* flag)
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{
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(void) kind;
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(void) finished;
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(void) purpose;
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(void) flag;
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REQUIRE (!finished, "Condition variable for finish notification not yet implemented");
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if (attr_once == PTHREAD_ONCE_INIT)
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pthread_once (&attr_once, thread_attr_init);
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static struct lumiera_thread_mockup thread;
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thread.fn = start_routine;
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thread.arg = arg;
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pthread_mutex_lock (&threads_mutex);
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pthread_t dummy;
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int error = pthread_create (&dummy, &attrs, pthread_runner, &thread);
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pthread_mutex_unlock (&threads_mutex);
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if (error) return 0; /////TODO temporary addition by Ichthyo; probably we'll set lumiera_error?
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return (LumieraThread) 1;
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}
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/*
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// Local Variables:
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// mode: C
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// c-file-style: "gnu"
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// indent-tabs-mode: nil
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// End:
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*/
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