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Swap (FreeBSD): fix impl

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李通洲
2023-12-01 23:23:29 +08:00
parent 7168cc2ef2
commit 36298b8e93
1 changed files with 25 additions and 2 deletions
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src/detection/swap/swap_bsd.c
+25 -2
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@@ -1,9 +1,32 @@
#include "swap.h"
#include "common/sysctl.h"
#include <vm/vm_param.h>
const char* ffDetectSwap(FFSwapResult* swap)
{
swap->bytesTotal = (uint64_t)ffSysctlGetInt64("vm.swap_total", 0);
swap->bytesUsed = (uint64_t)ffSysctlGetInt64("vm.swap_reserved", 0);
int mib[16];
size_t mibsize = sizeof(mib) / sizeof(*mib);
if (sysctlnametomib("vm.swap_info", mib, &mibsize) < 0)
return "sysctlnametomib(\"vm.swap_info\") failed";
swap->bytesUsed = swap->bytesTotal = 0;
for (int n = 0; ; ++n)
{
mib[mibsize] = n;
struct xswdev xsw;
size_t size = sizeof(xsw);
if (sysctl(mib, (uint32_t) (mibsize + 1), &xsw, &size, NULL, 0) < 0)
break;
if (xsw.xsw_version != XSWDEV_VERSION)
return "xswdev version mismatch";
swap->bytesUsed += (uint64_t) xsw.xsw_used;
swap->bytesTotal += (uint64_t) xsw.xsw_nblks;
}
swap->bytesUsed *= instance.state.platform.pageSize;
swap->bytesTotal *= instance.state.platform.pageSize;
return NULL;
}