switch-threads.c

来自「这个是LINUX下的GDB调度工具的源码」· C语言 代码 · 共 48 行

/* A minimal multi-threaded test case.

   Copyright 2003
   Free Software Foundation, Inc.

   This file is part of GDB.

   This program 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 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 General Public License for more details.

   You should have received a copy of the GNU 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 <pthread.h>

void foo (void)
{
}

void *thread_func (void *arg)
{
  int x;
  for (x = 0; x < 10; x++)
    foo ();
  return 0;
}

int main()
{
  pthread_t thr;
  void *ret;
  int x;

  pthread_create (&thr, NULL, thread_func, NULL);
  pthread_join (thr, &ret);
  for (x = 0; x < 10; x++)
    foo ();  
}