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-rw-r--r--libpthread/linuxthreads/pthread.c-OLDEXAMPLE121
1 files changed, 0 insertions, 121 deletions
diff --git a/libpthread/linuxthreads/pthread.c-OLDEXAMPLE b/libpthread/linuxthreads/pthread.c-OLDEXAMPLE
deleted file mode 100644
index 88b163087..000000000
--- a/libpthread/linuxthreads/pthread.c-OLDEXAMPLE
+++ /dev/null
@@ -1,121 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * A _very_ simple clone based pthread-like implementation
- *
- * Copyright (C) 2001,2002 by Erik Andersen <andersee@debian.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Library General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * This program 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 Library General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <stdlib.h>
-#include <sched.h>
-#include <signal.h>
-#include <errno.h>
-#include <unistd.h>
-#include <pthread.h>
-
-#define STACKSIZE 8096
-
-#define CSIGNAL 0x000000ff /* signal mask to be sent at exit */
-#define CLONE_VM 0x00000100 /* set if VM shared between processes */
-#define CLONE_FS 0x00000200 /* set if fs info shared between proces ses */
-#define CLONE_FILES 0x00000400 /* set if open files shared between pro cesses */
-#define CLONE_SIGHAND 0x00000800 /* set if signal handlers shared */
-
-
-
-/* Lame home-grown clone based threading */
-int pthread_mutex_init (pthread_mutex_t *mutex, const pthread_mutexattr_t *mutex_attr)
-{
- mutex->__m_lock.__spinlock = 1;
- return 0;
-}
-
-int pthread_mutex_lock (pthread_mutex_t *mutex)
-{
- while (mutex->__m_lock.__spinlock == 0) {
- usleep(10000);
- }
- --(mutex->__m_lock.__spinlock);
- return 0;
-}
-
-int pthread_mutex_unlock (pthread_mutex_t *mutex)
-{
- ++(mutex->__m_lock.__spinlock);
- return 0;
-}
-
-int pthread_cond_wait (pthread_cond_t *cond, pthread_mutex_t *mutex)
-{
- ++(mutex->__m_lock.__spinlock);
- while (cond->__c_lock.__spinlock == 0) {
- usleep(10000);
- }
- --(cond->__c_lock.__spinlock);
- return 0;
-}
-
-int pthread_cond_signal(pthread_cond_t *cond)
-{
- ++(cond->__c_lock.__spinlock);
- return 0;
-}
-
-int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *cond_attr)
-{
- cond->__c_lock.__spinlock = 1;
- return 0;
-}
-
-int pthread_create(pthread_t *thread, const pthread_attr_t *attr, void* (*fn)(void *), void *data)
-{
- long retval;
- void **newstack;
- int (*clonefunc)(void *) = (int (*)(void *))(fn);
-
- newstack = (void **) malloc(STACKSIZE);
- if (!newstack)
- return -1;
- newstack = (void **) (STACKSIZE + (char *) newstack);
- *--newstack = data;
- retval = clone(clonefunc, newstack,
- CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND | SIGCHLD, data);
- if (retval < 0) {
- errno = -retval;
- *thread = 0;
- retval = -1;
- } else {
- *thread = retval;
- retval = 0;
- }
- return retval;
-}
-
-int pthread_join (pthread_t thread, void **thread_return)
-{
- int retval;
- /* Fixme -- wait for thread and get its return value */
- retval = EXIT_SUCCESS;
- if (thread_return)
- (int)*thread_return = retval;
- _exit(retval);
-}
-link_warning(pthread_join, "pthread_join is a stub and does not behave properly");
-
-void pthread_exit (void *retval)
-{
- _exit(*(int *)retval);
-}