2014/10/15 下午 10:14:41

iphone Programming Glossary: sysctl

http://stackoverflow.com/questions/3860751/what-to-use-if-not-iphone-udid

2 0 mib 3 AF_LINK mib 4 NET_RT_IFLIST if mib 5 if_nametoindex en0 0 printf Error if_nametoindex error n return NULL if sysctl mib 6 NULL len NULL 0 0 printf Error sysctl take 1 n return NULL if buf malloc len NULL printf Could not allocate memory... 5 if_nametoindex en0 0 printf Error if_nametoindex error n return NULL if sysctl mib 6 NULL len NULL 0 0 printf Error sysctl take 1 n return NULL if buf malloc len NULL printf Could not allocate memory. error n return NULL if sysctl mib 6 buf len.. Error sysctl take 1 n return NULL if buf malloc len NULL printf Could not allocate memory. error n return NULL if sysctl mib 6 buf len NULL 0 0 printf Error sysctl take 2 return NULL ifm struct if_msghdr buf sdl struct sockaddr_dl ifm 1 ptr..

Can we retrieve the applications currently running in iPhone and iPad

http://stackoverflow.com/questions/4312613/can-we-retrieve-the-applications-currently-running-in-iphone-and-ipad

from here 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.. 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..

What “kernel level C function” does Frenzapp use to detect running iOS processes?

http://stackoverflow.com/questions/4400062/what-kernel-level-c-function-does-frenzapp-use-to-detect-running-ios-processes

and Stephen Darlington for commenting and pointing us at what is most likely the answer The kernel C function is sysctl It's documented on Apple's iOS Developer site You need to call it with a certain set of arguments to get the list of running..

How to programmatically get iOS's alphanumeric version string

http://stackoverflow.com/questions/4857195/how-to-programmatically-get-ioss-alphanumeric-version-string

c 2.0 share improve this question Not sure why others are saying that this is not possible because it is using the sysctl function. NSString osVersionBuild int mib 2 CTL_KERN KERN_OSVERSION u_int namelen sizeof mib sizeof mib 0 size_t bufferSize.. u_int namelen sizeof mib sizeof mib 0 size_t bufferSize 0 NSString osBuildVersion nil Get the size for the buffer sysctl mib namelen NULL bufferSize NULL 0 u_char buildBuffer bufferSize int result sysctl mib namelen buildBuffer bufferSize NULL.. nil Get the size for the buffer sysctl mib namelen NULL bufferSize NULL 0 u_char buildBuffer bufferSize int result sysctl mib namelen buildBuffer bufferSize NULL 0 if result 0 osBuildVersion NSString alloc initWithBytes buildBuffer length bufferSize..

How to get information about free memory and running processes in an App Store approved app? (Yes, there is one!)

http://stackoverflow.com/questions/8275578/how-to-get-information-about-free-memory-and-running-processes-in-an-app-store-a

code snippet 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.. 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..

How to get Names of Background Running Apps

http://stackoverflow.com/questions/9919070/how-to-get-names-of-background-running-apps

Method 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.. 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..