test/caps/thr3.c

   1 /*
   2  * Copyright (c) 2003 Matthew Dillon <dillon@backplane.com>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $DragonFly: src/test/caps/thr3.c,v 1.1 2003/12/07 04:26:41 dillon Exp $
  27  */
  28 #include <stdio.h>
  29 #include <libcaps/defs.h>
  30
  31 extern int mp_lock;
  32
  33 static void thread1(void *data);
  34 static void thread2(void *data);
  35
  36 int
  37 main(int ac, char **av)
  38 {
  39     thread_t td;
  40     thread_t td1;
  41     thread_t td2;
  42     int tcpu;
  43
  44     uthread_init();
  45     tcpu = caps_fork_vcpu();
  46     printf("caps_fork_vcpu %d\n", tcpu);
  47     lwkt_create(thread1, NULL, &td1, NULL, 0, -1, "thread1");
  48     lwkt_create(thread2, NULL, &td2, NULL, 0, tcpu, "thread2");
  49     lwkt_deschedule_self();
  50     lwkt_switch();
  51     printf("Main thread resumed after all children exiting.\n");
  52     printf("Running test a second time to see if UPC_CONTROL_WAIT works\n");
  53     lwkt_create(thread1, NULL, &td1, NULL, 0, -1, "thread1");
  54     lwkt_create(thread2, NULL, &td2, NULL, 0, tcpu, "thread2");
  55     lwkt_deschedule_self();
  56     lwkt_switch();
  57     printf("Main thread resumed after second test, exiting\n");
  58     exit(0);
  59 }
  60
  61 void
  62 thread1(void *data)
  63 {
  64     int i;
  65
  66     printf("start1 pri %d mp %d\n", curthread->td_pri, curthread->td_mpcount);
  67     rel_mplock();
  68     for (i = 0; i < 100000000; ++i)
  69         lwkt_switch();
  70     printf("done1 %d\n", (int)getpid());
  71 }
  72
  73 void
  74 thread2(void *data)
  75 {
  76     int i;
  77
  78     printf("start2 pri %d mp %d\n", curthread->td_pri, curthread->td_mpcount);
  79     for (i = 0; i < 10000000; ++i)
  80         lwkt_switch();
  81     printf("done2 %d\n", (int)getpid());
  82 }
  83