Annotation of prex/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: }
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