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李通洲
28 lines
876 B
C
28 lines
876 B
C
#include "memory.h"
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#include <string.h>
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#include <mach/mach.h>
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#include <sys/sysctl.h>
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#include <unistd.h>
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const char* ffDetectMemory(FFMemoryResult* ram)
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{
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size_t length = sizeof(ram->bytesTotal);
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if (sysctl((int[]){ CTL_HW, HW_MEMSIZE }, 2, &ram->bytesTotal, &length, NULL, 0))
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return "Failed to read hw.memsize";
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uint32_t pagesize;
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length = sizeof(pagesize);
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if (sysctl((int[]){ CTL_HW, HW_PAGESIZE }, 2, &pagesize, &length, NULL, 0))
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return "Failed to read hw.pagesize";
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mach_msg_type_number_t count = HOST_VM_INFO64_COUNT;
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vm_statistics64_data_t vmstat;
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if(host_statistics64(mach_host_self(), HOST_VM_INFO64, (host_info64_t) (&vmstat), &count) != KERN_SUCCESS)
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return "Failed to read host_statistics64";
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ram->bytesUsed = ((uint64_t) vmstat.active_count + vmstat.wire_count) * pagesize;
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return NULL;
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}
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