Return to thread.c CVS log

Up to [local] / prex-old / usr / test / thread

Annotation of prex-old/usr/test/thread/thread.c, Revision 1.1.1.1

1.1       nbrk        1: /*
                      2:  * Copyright (c) 2005, Kohsuke Ohtani
                      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:  * 3. Neither the name of the author nor the names of any co-contributors
                     14:  *    may be used to endorse or promote products derived from this software
                     15:  *    without specific prior written permission.
                     16:  *
                     17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     27:  * SUCH DAMAGE.
                     28:  */
                     29:
                     30: /*
                     31:  * thread.c - test to run threads
                     32:  */
                     33:
                     34: #include <prex/prex.h>
                     35: #include <stdio.h>
                     36:
                     37: static char stack[1024];
                     38:
                     39: static thread_t
                     40: thread_run(void (*start)(void), char *stack)
                     41: {
                     42:        thread_t th;
                     43:        int err;
                     44:
                     45:        if ((err = thread_create(task_self(), &th)) != 0)
                     46:                panic("thread_create() is failed");
                     47:
                     48:        if ((err = thread_load(th, start, stack)) != 0)
                     49:                panic("thread_load() is failed");
                     50:
                     51:        if ((err = thread_resume(th)) != 0)
                     52:                panic("thread_resume() is failed");
                     53:
                     54:        return th;
                     55: }
                     56:
                     57: static void
                     58: test_thread(void)
                     59: {
                     60:        printf("test thread is starting...\n");
                     61:        for (;;)
                     62:                putchar('@');
                     63: }
                     64:
                     65: int
                     66: main(int argc, char *argv[])
                     67: {
                     68:        int err;
                     69:        thread_t self, th;
                     70:
                     71:        printf("Thread test program\n");
                     72:
                     73:        self = thread_self();
                     74:
                     75:        /*
                     76:         * Create new thread
                     77:         */
                     78:        printf("Start test thread\n");
                     79:        th = thread_run(test_thread, stack+1024);
                     80:
                     81:        /*
                     82:         * Wait 1 sec
                     83:         */
                     84:        timer_sleep(1000, 0);
                     85:
                     86:        /*
                     87:         * Suspend test thread
                     88:         */
                     89:        printf("\nSuspend test thread\n");
                     90:        err = thread_suspend(th);
                     91:
                     92:        /*
                     93:         * Wait 2 sec
                     94:         */
                     95:        timer_sleep(2000, 0);
                     96:
                     97:        /*
                     98:         * Resume test thread
                     99:         */
                    100:        printf("\nResume test thread\n");
                    101:        err = thread_resume(th);
                    102:
                    103:        /*
                    104:         * Wait 100 msec
                    105:         */
                    106:        timer_sleep(100, 0);
                    107:
                    108:        /*
                    109:         * Suspend test thread
                    110:         */
                    111:        thread_suspend(th);
                    112:
                    113:        /*
                    114:         * Wait 2 sec
                    115:         */
                    116:        timer_sleep(2000, 0);
                    117:
                    118:        /*
                    119:         * Resume test thread
                    120:         */
                    121:        thread_resume(th);
                    122:
                    123:        /*
                    124:         * We can check this thread can run 10 times than test thread,
                    125:         */
                    126:        for (;;)
                    127:                putchar('!');
                    128:
                    129:        return 0;
                    130: }