sl@0: /*
sl@0: * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description:
sl@0: * T_WAITPID.CPP
sl@0: * 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: 
sl@0: #include <stdlib.h>
sl@0: #include <stdio.h>
sl@0: #include <string.h>
sl@0: #include <unistd.h>
sl@0: #include <sys/errno.h>
sl@0: #include <sys/wait.h>
sl@0: #include "CTEST.H"
sl@0: 
sl@0: int fids[3];
sl@0: test_Data;
sl@0: 
sl@0: // simple function so the parent can wait for child and test waitpid	
sl@0: void doafunc()
sl@0: 	{
sl@0: 	sleep(5);
sl@0: 	exit(0);
sl@0: 	}
sl@0: /**
sl@0: @SYMTestCaseID 			SYSLIB-STDLIB-UT-1576
sl@0: @SYMTestCaseDesc	    Testing if POSIX waitpid function conforms to POSIX standard
sl@0: @SYMTestPriority 	    High
sl@0: @SYMTestActions  	    Starts a new processes and tests the POSIX waitpid function with 
sl@0: 						different parameters and checks if it behaves correctly
sl@0: @SYMTestExpectedResults The test should not fail.
sl@0: @SYMDEF 				INC073739
sl@0: */
sl@0: 
sl@0: int test_waitpid()
sl@0: 	{
sl@0: 	test_Data;
sl@0: 	void* proc;
sl@0: 	void* proc2;
sl@0: 	int ret;
sl@0: 	int status=-1;
sl@0: 	test_Title("WAITPID");
sl@0: 	test_Next("waitpid");
sl@0: 	proc = create_process(doafunc, "A", "rw", fids);
sl@0: 	if (proc)
sl@0: 		start_process(proc);
sl@0: 	else
sl@0: 		perror("Failed to start process A: ");
sl@0: 	
sl@0: 	// test return values of calls to waitpid with different options and pid's
sl@0: 	
sl@0: 	if (proc)
sl@0: 		{
sl@0: 		// test with option WNOHANG and a correct pid on an active process
sl@0: 		ret = wait_for_process_id(proc,get_proc_id(proc),WNOHANG,&status);
sl@0: 		test(ret==0);
sl@0: 		// test with an invalid pid 
sl@0: 		ret = wait_for_process_id(proc,99,0,&status);
sl@0: 		test(errno==ECHILD&&ret==-1);
sl@0: 		// test with invalid options
sl@0: 		ret = wait_for_process_id(proc,99,17,&status);
sl@0: 		test(errno==EINVAL&&ret==-1);
sl@0: 		ret = wait_for_process_id(proc,99,18,&status);
sl@0: 		test(errno==EINVAL&&ret==-1);
sl@0: 		// process is still active keep waiting until it dies
sl@0: 		do 
sl@0: 			{
sl@0: 			ret = wait_for_process_id(proc,get_proc_id(proc),WNOHANG,&status);
sl@0: 			}
sl@0: 		while(!WIFEXITED(status)&&ret==0);
sl@0: 		test(ret==get_proc_id(proc));
sl@0:    		printf("child exited, status=%d\n", WEXITSTATUS(status));
sl@0: 		}
sl@0: 
sl@0: 	// create another process and test waitpid with pid -1 and options 0
sl@0: 	// this is the same as calling wait
sl@0: 	proc2 = create_process(doafunc, "B", "rw", fids);
sl@0: 	if (proc2)
sl@0: 		start_process(proc2);
sl@0: 	else
sl@0: 		perror("Failed to start process B: ");
sl@0: 	if (proc2)
sl@0: 		{
sl@0: 		//wait for proc2 to finish
sl@0: 		do
sl@0: 			{
sl@0:         	ret = wait_for_process_id(proc2,-1,0,&status);
sl@0:     		}
sl@0:     	while (!WIFEXITED(status));
sl@0: 		test(ret==get_proc_id(proc2));
sl@0:     	printf("child exited, status=%d\n", WEXITSTATUS(status));
sl@0: 		}
sl@0: 		
sl@0: 	fflush(stdout);
sl@0: 	fclose(stdout);
sl@0: 	test_Close();
sl@0: 	return 0;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: int main (int argc, char *argv[])
sl@0: 	{
sl@0: 
sl@0: 	start_redirection_server();
sl@0: 	if(argc>1)
sl@0: 		//do something with child process
sl@0: 		doafunc();
sl@0: 	else
sl@0: 		test_waitpid();
sl@0: 	// exit here for the moment crt0 libraries panic
sl@0: 	exit(0);
sl@0: 	return 0;
sl@0: 	}