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Annotation of prex-old/usr/test/ipc_mt/ipc_mt.c, Revision 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:  * ipc_mt.c - IPC test for multi threaded servers.
        !            32:  */
        !            33:
        !            34: #include <prex/prex.h>
        !            35: #include <server/stdmsg.h>
        !            36: #include <stdio.h>
        !            37:
        !            38: #define NR_THREADS     5
        !            39:
        !            40: static char stack[NR_THREADS][1024];
        !            41:
        !            42: /*
        !            43:  * Run specified thread
        !            44:  */
        !            45: static int
        !            46: thread_run(void (*start)(void), void *stack)
        !            47: {
        !            48:        thread_t th;
        !            49:        int err;
        !            50:
        !            51:        err = thread_create(task_self(), &th);
        !            52:        if (err)
        !            53:                return err;
        !            54:
        !            55:        err = thread_load(th, start, stack);
        !            56:        if (err)
        !            57:                return err;
        !            58:
        !            59:        err = thread_resume(th);
        !            60:        if (err)
        !            61:                return err;
        !            62:
        !            63:
        !            64:        return 0;
        !            65: }
        !            66:
        !            67: /*
        !            68:  * Receiver thread
        !            69:  */
        !            70: static void
        !            71: receive_thread(void)
        !            72: {
        !            73:        struct msg msg;
        !            74:        object_t obj;
        !            75:        int err;
        !            76:
        !            77:        printf("Receiver thread is starting...\n");
        !            78:
        !            79:        thread_setprio(thread_self(), 240);
        !            80:
        !            81:        /*
        !            82:         * Find objects.
        !            83:         */
        !            84:        err = object_lookup("/test/A", &obj);
        !            85:
        !            86:        for (;;) {
        !            87:                /*
        !            88:                 * Receive message from object.
        !            89:                 */
        !            90:                printf("Wait message.\n");
        !            91:                msg_receive(obj, &msg, sizeof(msg));
        !            92:
        !            93:                printf("Message received.\n");
        !            94:                /*
        !            95:                 * Wait a sec.
        !            96:                 */
        !            97:                timer_sleep(1000, 0);
        !            98:
        !            99:                printf("Reply message.\n");
        !           100:                msg_reply(obj, &msg, sizeof(msg));
        !           101:
        !           102:                for (;;);
        !           103:        }
        !           104: }
        !           105:
        !           106: int
        !           107: main(int argc, char *argv[])
        !           108: {
        !           109:        object_t obj;
        !           110:        int err, i;
        !           111:
        !           112:        printf("IPC test for multi threads\n");
        !           113:
        !           114:        /*
        !           115:         * Create an object.
        !           116:         */
        !           117:        err = object_create("/test/A", &obj);
        !           118:        if (err)
        !           119:                panic("failed to create object");
        !           120:
        !           121:        /*
        !           122:         * Start receiver thread.
        !           123:         */
        !           124:        for (i = 0; i < NR_THREADS; i++) {
        !           125:                err = thread_run(receive_thread, stack[i] + 1024);
        !           126:                if (err)
        !           127:                        panic("failed to run thread");
        !           128:        }
        !           129:        printf("ok?\n");
        !           130:        thread_setprio(thread_self(), 241);
        !           131:        for (;;) ;
        !           132:        return 0;
        !           133: }