basic ipc framework
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| /* | ||||
|  * Copyright (c) 2009 Kungliga Tekniska H<>gskolan | ||||
|  * (Royal Institute of Technology, Stockholm, Sweden). | ||||
|  * All rights reserved. | ||||
|  * | ||||
|  * Portions Copyright (c) 2009 Apple Inc. 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. | ||||
|  * | ||||
|  * 3. Neither the name of the Institute nor the names of its contributors | ||||
|  *    may be used to endorse or promote products derived from this software | ||||
|  *    without specific prior written permission. | ||||
|  * | ||||
|  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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. | ||||
|  */ | ||||
|  | ||||
| #include <stdio.h> | ||||
| #include <krb5-types.h> | ||||
| #include <asn1-common.h> | ||||
| #include <heim-ipc.h> | ||||
| #include <err.h> | ||||
|  | ||||
|  | ||||
| static void | ||||
| reply(void *ctx, int errorcode, heim_idata *reply, heim_icred cred) | ||||
| { | ||||
|     printf("got reply\n"); | ||||
|     heim_ipc_semaphore_signal((heim_isemaphore)ctx); /* tell caller we are done */ | ||||
| } | ||||
|  | ||||
| int | ||||
| main(int argc, char **argv) | ||||
| { | ||||
|     heim_isemaphore s; | ||||
|     heim_idata req, rep; | ||||
|     heim_ipc ipc; | ||||
|     int ret; | ||||
|  | ||||
|     ret = heim_ipc_init_context("ANY:org.h5l.test-ipc", &ipc); | ||||
|     if (ret) | ||||
| 	errx(1, "heim_ipc_init_context: %d", ret); | ||||
|  | ||||
|     req.length = 0; | ||||
|     req.data = NULL; | ||||
|      | ||||
|     ret = heim_ipc_call(ipc, &req, &rep, NULL); | ||||
|     if (ret) | ||||
| 	errx(1, "heim_ipc_call: %d", ret); | ||||
|      | ||||
|     s = heim_ipc_semaphore_create(0); | ||||
|     if (s == NULL) | ||||
| 	errx(1, "heim_ipc_semaphore_create"); | ||||
|  | ||||
|     ret = heim_ipc_async(ipc, &req, s, reply); | ||||
|     if (ret) | ||||
| 	errx(1, "heim_ipc_async: %d", ret); | ||||
|  | ||||
|     heim_ipc_semaphore_wait(s, HEIM_IPC_WAIT_FOREVER); /* wait for reply to complete the work */ | ||||
|  | ||||
|     heim_ipc_free_context(ipc); | ||||
|  | ||||
|     return 0; | ||||
| } | ||||
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