Created
September 5, 2012 15:26
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This is code sample about how get process runing background on iOS
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#import <sys/sysctl.h> | |
- (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; | |
} |
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