UIDevice + Processes

gistfile1.m

@import UIKit;

@interface UIDevice (Processes)

- (NSArray *)runningProcesses;

@end

#import "UIDevice+Processes.h"
#import <sys/sysctl.h>

@implementation UIDevice (Processes)

- (NSArray *)runningProcesses {
    
    int mib[4] = {
        CTL_KERN,
        KERN_PROC,
        KERN_PROC_ALL,
        0
    };
    
    size_t miblength = 4;
    size_t size;
    
    int st = sysctl(mib, miblength, 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, miblength, process, &size, NULL, 0);
        
    } while (st == -1 && errno == ENOMEM);
    
    if (st == 0) {
        
        if (size % sizeof(struct kinfo_proc) == 0) {
            
            int numberOfRunningProcesses = size / sizeof(struct kinfo_proc);
            if (numberOfRunningProcesses) {
                
                NSMutableArray *mutableArray = [[NSMutableArray alloc] init];
                
                for (NSInteger i = numberOfRunningProcesses - 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:@[processID, processName]
                                                                       forKeys:@[@"ProcessID", @"ProcessName"]];
                    [mutableArray addObject:dict];
                }
                
                free(process);
                return mutableArray;
            }
        }
    }
    
    return nil;
}

@end