NSTask

////  NSTask.h//  ipacracker////  Created by obaby on 14-2-10.//// #ifndef ipacracker_NSTask_h#define ipacracker_NSTask_h /*NSTask.h Copyright (c) 1996-2007, Apple Inc. All rights reserved. */ #import <foundation /NSObject.h> @class NSString, NSArray, NSDictionary; @interface NSTask : NSObject // Create an NSTask which can be run at a later time// An NSTask can only be run once. Subsequent attempts to// run an NSTask will raise.// Upon task death a notification will be sent//   { Name = NSTaskDidTerminateNotification; object = task; }// - (id)init; // set parameters// these methods can only be done before a launch- (void)setLaunchPath:(NSString *)path;- (void)setArguments:(NSArray *)arguments;- (void)setEnvironment:(NSDictionary *)dict;// if not set, use current- (void)setCurrentDirectoryPath:(NSString *)path;// if not set, use current // set standard I/O channels; may be either an NSFileHandle or an NSPipe- (void)setStandardInput:(id)input;- (void)setStandardOutput:(id)output;- (void)setStandardError:(id)error; // get parameters- (NSString *)launchPath;- (NSArray *)arguments;- (NSDictionary *)environment;- (NSString *)currentDirectoryPath; // get standard I/O channels; could be either an NSFileHandle or an NSPipe- (id)standardInput;- (id)standardOutput;- (id)standardError; // actions- (void)launch; - (void)interrupt; // Not always possible. Sends SIGINT.- (void)terminate; // Not always possible. Sends SIGTERM. - (BOOL)suspend;- (BOOL)resume; // status- (int)processIdentifier;- (BOOL)isRunning; - (int)terminationStatus; @end @interface NSTask (NSTaskConveniences) + (NSTask *)launchedTaskWithLaunchPath:(NSString *)path arguments:(NSArray *)arguments;// convenience; create and launch - (void)waitUntilExit;// poll the runLoop in defaultMode until task completes @end FOUNDATION_EXPORT NSString * const NSTaskDidTerminateNotification;  #endif</foundation>
////  main.cpp//  NSTask////  Created by obaby on 14-2-27.//  Copyright (c) 2014年 __MyCompanyName__. All rights reserved.// #include <iostream>#include "NSTask.h"#include <coredata /CoreData.h> void PingTest(); void PingTest(){    NSTask *task;    task = [[NSTask alloc ]init];    [task setLaunchPath:@"/usr/bin/ping"];     NSLog(@"This is NSTask with ping command......\n");    NSArray *arguments;    arguments = [NSArray arrayWithObjects:@"www.h4ck.org.cn", nil];    [task setArguments:arguments];     NSPipe *pipe;    pipe = [NSPipe pipe];    [task setStandardOutput:pipe];     NSFileHandle *file;    file = [pipe fileHandleForReading];     [task launch];     NSData *data;    data = [file readDataToEndOfFile];     NSString *string;    string = [[NSString alloc]initWithData:data encoding:NSUTF8StringEncoding];     NSLog(@"%@",string);} int main (int argc, const char * argv[]){     // insert code here...    PingTest();    //std::cout < < "Hello, World!\n";  return 0;}