UIDevice Category For Processes

UIDeivce+Processes.m

// .h
 
@interface UIDevice (ProcessesAdditions)
- (NSArray *)runningProcesses;
@end
 
// .m
#import <sys/sysctl.h>
 
@implementation UIDevice (ProcessesAdditions)
 
- (NSArray *)runningProcesses {
 
	int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_ALL, 0};
	size_t miblen = 4;
	
	size_t size;
	int st = sysctl(mib, miblen, NULL, &size, NULL, 0);
	
	struct kinfo_proc * process = NULL;
	struct kinfo_proc * newprocess = NULL;
	
    do {
		
        size += size / 10;
        newprocess = realloc(process, size);
		
        if (!newprocess){
			
            if (process){
                free(process);
            }
			
            return nil;
        }
		
        process = newprocess;
        st = sysctl(mib, miblen, process, &size, NULL, 0);
		
    } while (st == -1 && errno == ENOMEM);
	
	if (st == 0){
		
		if (size % sizeof(struct kinfo_proc) == 0){
			int nprocess = size / sizeof(struct kinfo_proc);
		
			if (nprocess){
			
				NSMutableArray * array = [[NSMutableArray alloc] init];
	
				for (int i = nprocess - 1; i >= 0; i--){
		
					NSString * processID = [[NSString alloc] initWithFormat:@"%d", process[i].kp_proc.p_pid];
					NSString * processName = [[NSString alloc] initWithFormat:@"%s", process[i].kp_proc.p_comm];
		
					NSDictionary * dict = [[NSDictionary alloc] initWithObjects:[NSArray arrayWithObjects:processID, processName, nil] 
																		forKeys:[NSArray arrayWithObjects:@"ProcessID", @"ProcessName", nil]];
					[processID release];
					[processName release];
					[array addObject:dict];
					[dict release];
				}
	
				free(process);
				return [array autorelease];
			}
		}
	}
	
	return nil;
}
 
@end
 
// Example usage.
NSArray * processes = [[UIDevice currentDevice] runningProcesses];
for (NSDictionary * dict in processes){
	NSLog(@"%@ - %@", [dict objectForKey:@"ProcessID"], [dict objectForKey:@"ProcessName"]);
}