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thr3.c
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thr3.c
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/*
* Copyright (c) 2003 Matthew Dillon <dillon@backplane.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $DragonFly: src/test/caps/thr3.c,v 1.1 2003/12/07 04:26:41 dillon Exp $
*/
#include <stdio.h>
#include <libcaps/defs.h>
extern int mp_lock;
static void thread1(void *data);
static void thread2(void *data);
int
main(int ac, char **av)
{
thread_t td;
thread_t td1;
thread_t td2;
int tcpu;
uthread_init();
tcpu = caps_fork_vcpu();
printf("caps_fork_vcpu %d\n", tcpu);
lwkt_create(thread1, NULL, &td1, NULL, 0, -1, "thread1");
lwkt_create(thread2, NULL, &td2, NULL, 0, tcpu, "thread2");
lwkt_deschedule_self();
lwkt_switch();
printf("Main thread resumed after all children exiting.\n");
printf("Running test a second time to see if UPC_CONTROL_WAIT works\n");
lwkt_create(thread1, NULL, &td1, NULL, 0, -1, "thread1");
lwkt_create(thread2, NULL, &td2, NULL, 0, tcpu, "thread2");
lwkt_deschedule_self();
lwkt_switch();
printf("Main thread resumed after second test, exiting\n");
exit(0);
}
void
thread1(void *data)
{
int i;
printf("start1 pri %d mp %d\n", curthread->td_pri, curthread->td_mpcount);
rel_mplock();
for (i = 0; i < 100000000; ++i)
lwkt_switch();
printf("done1 %d\n", (int)getpid());
}
void
thread2(void *data)
{
int i;
printf("start2 pri %d mp %d\n", curthread->td_pri, curthread->td_mpcount);
for (i = 0; i < 10000000; ++i)
lwkt_switch();
printf("done2 %d\n", (int)getpid());
}