124 lines
3.0 KiB
C
124 lines
3.0 KiB
C
/*
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* $QNXLicenseC:
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* Copyright 2007, QNX Software Systems. All Rights Reserved.
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*
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* You must obtain a written license from and pay applicable license fees to QNX
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* Software Systems before you may reproduce, modify or distribute this software,
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* or any work that includes all or part of this software. Free development
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* licenses are available for evaluation and non-commercial purposes. For more
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* information visit http://licensing.qnx.com or email licensing@qnx.com.
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*
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* This file may contain contributions from others. Please review this entire
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* file for other proprietary rights or license notices, as well as the QNX
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* Development Suite License Guide at http://licensing.qnx.com/license-guide/
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* for other information.
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* $
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*/
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#include <stdio.h>
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#include <process.h>
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#include <unistd.h>
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#include <sys/asyncmsg.h>
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char *msg = "AsyncMsg Passing";
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int callback(int err, void *cmsg, unsigned handle)
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{
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printf("Callback: err = %d, msg = %p (%p), handle = %d\n",
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err, cmsg, msg, handle);
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return 0;
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}
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/*
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* Simple test. Create a channel, connect to it, put a message,
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* get them, done
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*/
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int main()
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{
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int chid, coid, pchid;
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struct sigevent gev;
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struct _pulse pulse;
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struct _asyncmsg_connection_attr aca;
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struct _asyncmsg_get_header *agh, *agh1;
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/* prepare the event */
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if ((pchid = ChannelCreate(0)) == -1) {
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perror("ChannelCreate");
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return -1;
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}
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if ((gev.sigev_coid = ConnectAttach(0, 0, pchid, _NTO_SIDE_CHANNEL, 0)) == -1)
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{
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perror("ConnectAttach");
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return -1;
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}
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gev.sigev_notify = SIGEV_PULSE;
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gev.sigev_priority = SIGEV_PULSE_PRIO_INHERIT;
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/* async channel */
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if ((chid = asyncmsg_channel_create(0, 0666, 2048, 5, &gev, NULL)) == -1) {
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perror("channel_create");
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return -1;
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}
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memset(&aca, 0, sizeof(aca));
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aca.buffer_size = 2048;
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aca.max_num_buffer = 5;
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aca.trigger_num_msg = 1;
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aca.call_back = callback;
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if ((coid = asyncmsg_connect_attach(0, 0, chid, 0, 0, &aca)) == -1) {
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perror("connect_attach");
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return -1;
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}
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if ((asyncmsg_put(coid, msg, strlen(msg) + 1, 0, 0)) == -1) {
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perror("put");
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return -1;
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}
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/* waiting for the event */
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if (MsgReceivePulse(pchid, &pulse, sizeof(pulse), NULL) == -1) {
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perror("MsgReceivePulse");
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return -1;
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}
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if ((agh = asyncmsg_get(chid)) == NULL) {
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perror("get");
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return -1;
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}
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printf("Got message(s): \n\n");
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while (agh1 = agh) {
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agh = agh1->next;
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printf("from process: %d (%d)\n", agh1->info.pid, getpid());
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printf("msglen: %d (%d)\n", agh1->info.msglen, strlen(msg) + 1);
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printf("srclen: %d\n", agh1->info.srcmsglen);
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printf("err: %d\n", agh1->err);
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printf("parts: %d\n", agh1->parts);
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printf("msg: %s\n\n", (char *)agh1->iov->iov_base);
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asyncmsg_free(agh1);
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}
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/* give the callback a chance to run */
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sleep(1);
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if (asyncmsg_connect_detach(coid) == -1) {
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perror("connect_detach");
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return -1;
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}
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if (asyncmsg_channel_destroy(chid) == -1) {
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perror("channel_detach");
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return -1;
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}
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return 0;
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}
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__SRCVERSION("pulse_get.c $Rev: 153052 $");
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