TB9.2 Example Applications: examples/PIPS/IPC/src/child/fifochild.c Source File

00001 // fifochild.c
+00002 //
+00003 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+00004 // All rights reserved.
+00005 // This component and the accompanying materials are made available
+00006 // under the terms of "Eclipse Public License v1.0"
+00007 // which accompanies this distribution, and is available
+00008 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
+00009 //
+00010 // Initial Contributors:
+00011 // Nokia Corporation - initial contribution.
+00012 //
+00013 // Contributors:
+00014 //
+00015 // Description:
+00016 //
+00017 
+00018 
+00019 #include <stdio.h>
+00020 #include <fcntl.h>
+00021 #include <unistd.h>
+00022 #include <stdlib.h>
+00023 #include <errno.h>
+00024 
+00029 char PressKey()
+00030         {
+00031         char ch;
+00032         fflush(stdout);
+00033         ch=getchar();
+00034         return ch;
+00035         }
+00036 
+00042 int Error(char msg[])
+00043         {
+00044         printf("%s [Error NUMBER = %d]\n",msg,errno);
+00045         PressKey();
+00046         return EXIT_FAILURE;
+00047         }
+00048 
+00049 int main()
+00050 {
+00052         char fifoFileName[] = "myfifofile";
+00055         int fifoFd = open(fifoFileName,O_WRONLY);
+00057         if(fifoFd == -1)
+00058         {
+00060                 Error("\n*** child failure FIFO Open ***\n");
+00061                 return EXIT_FAILURE;
+00062         }
+00063         else
+00064         {
+00066                 char TxMsg[] = "Hello Parent [FIFO]\n";
+00068                 write(fifoFd,TxMsg,sizeof(TxMsg));
+00070                 (void)close(fifoFd);
+00071         }
+00072         return EXIT_SUCCESS;
+00073 }
+00074 
+