iOS 9已下的获取APP进程信息

- (NSDictionary *)getAppInfo:(NSString *)exec withBundleID:(NSString *)bundle
{
    if ([exec isKindOfClass:[NSTimer class]])
    {
        exec = [(NSTimer *)exec userInfo];
    }
    NSDictionary * ret = nil;
    
    int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_ALL, 0};
    u_int miblen = 4;
    size_t size = 0;
    int st = 0;
    struct kinfo_proc * process = NULL;
    struct kinfo_proc * newprocess = NULL;
    
    sysctl(mib, miblen, NULL, &size, NULL, 0);
    
    do
    {
        size += size / 10;
        newprocess = realloc(process, size);
        if (!newprocess)
        {
            if (process)
            {
                free(process);
            }
            return ret;
        }
        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)
        {
            unsigned long nprocess = size / sizeof(struct kinfo_proc);
            if (nprocess)
            {
                for (long i = nprocess - 1; i >= 0;  i --)
                {
                    NSString * procExecName = [NSString stringWithCString:process[i].kp_proc.p_comm encoding:NSUTF8StringEncoding];
                    NSString * procBundleId = bundle;
                    long timeInterval = process[i].kp_proc.p_un.__p_starttime.tv_sec;
                    
                    // !!!:时间转化
                    NSDateFormatter * format = [[NSDateFormatter alloc] init];
                    [format setDateStyle:NSDateFormatterMediumStyle];
                    [format setTimeStyle:NSDateFormatterShortStyle];
                    [format setDateFormat:@"yyyy-MM-dd HH:mm:ss.SSS'Z'"];
                    NSTimeZone * timeZone = [NSTimeZone timeZoneWithName:@"Asia/Shanghai"];
                    [format setTimeZone:timeZone];
                    
                    NSDate * oldTime = [NSDate dateWithTimeIntervalSince1970:timeInterval];
                    NSDate * nowTime = [NSDate date];
                    NSString * procSTime    = [format stringFromDate:oldTime];
                    NSString * procETime    = [format stringFromDate:nowTime];
                    
                    int t = [nowTime timeIntervalSince1970] - timeInterval;
                    NSString * procUTime    = [[NSNumber numberWithInt:t] stringValue];
                    // bundleid, execName, stime, etime,utime
                    NSMutableDictionary *dic = [[NSMutableDictionary alloc] init];
                    [dic setObject:procExecName forKey:@"KPROCEXECNAME"];
                    [dic setValue:procBundleId forKey:@"KPROBUNDLEID"];
                    [dic setValue:procSTime forKey:@"KPROCSTIME"];
                    [dic setValue:procETime forKey:@"kPROCETIME"];
                    [dic setValue:procUTime forKey:@"KPROCUTIME"];
                    
                    ret = [NSDictionary dictionaryWithDictionary:dic];
                }
                
                free(process);
                
                return ret;
            }
        }
    }
    
    free(process);
    return ret;
}

需要的头文件为：

#import <sys/sysctl.h>