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获取程序消耗的内存字节
#import <mach/mach.h>
static vm_size_t get_app_consumed_memory_bytes() {
struct task_basic_info info;
mach_msg_type_number_t size = sizeof(info);
kern_return_t kerr = task_info(mach_task_self(),
TASK_BASIC_INFO,
(task_info_t)&info,
&size);
if( kerr == KERN_SUCCESS ) {
return info.resident_size;
} else {
return 0;
}
}