From a9f5aa1cc96fc2c71f19a9c3e9dcbee0e78f83ca Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Tue, 15 Nov 2005 03:13:04 +0000 Subject: rename current stable linuxthreads to linuxthreads.old to prepare for import of latest glibc version --- libpthread/linuxthreads/pthread.c-OLDEXAMPLE | 121 --------------------------- 1 file changed, 121 deletions(-) delete mode 100644 libpthread/linuxthreads/pthread.c-OLDEXAMPLE (limited to 'libpthread/linuxthreads/pthread.c-OLDEXAMPLE') 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 - * - * 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 -#include -#include -#include -#include -#include - -#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); -} -- cgit v1.2.3