Get the memory available to the current device and get the memory occupied by the current task (in megabytes) (RPM)

Gets the memory occupied by the current task:

#include <sys/sysctl.h> #include <mach/mach.h>

Task occupies memory double usedmemory () {#if (Cc_target_platform = = Cc_platform_ios)    task_basic_info_data_t taskinfo;    mach_msg_type_number_t infocount = Task_basic_info_count;    kern_return_t Kernreturn = Task_info (Mach_task_self (),                                         Task_basic_info, (task_info_t) &taskinfo, & Infocount);    if (Kernreturn! = kern_success) {        return 0;    }    return taskinfo.resident_size/1024.0/1024.0; #else    return 0; #endif}

Current Device available Memory:

#include <sys/sysctl.h> #include <mach/mach.h>-(double) availablememory {vm_statistics_data_t vmstats; mach_msg_type_number_t Infocount = host_vm_info_count;kern_return_t Kernreturn = Host_statistics (Mach_host_self (), Host_vm_info, (host_info_t) &vmstats,&infocount); if (Kernreturn! = kern_success) {    return nsnotfound;} Return ((Vm_page_size * vmstats.free_count)/1024.0)/1024.0;}

"Note" http://blog.csdn.net/zaitianaoxiang/article/details/6859628 (turn)

Get the memory available to the current device and get the memory occupied by the current task (in megabytes) (RPM)