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Memory (SunOS): simplify

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This commit is contained in:
李通洲
2024-10-11 14:32:52 +08:00
parent ded38efb1a
commit cd9cfa5d99
1 changed files with 3 additions and 27 deletions
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src/detection/memory/memory_sunos.c
+3 -27
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@@ -1,34 +1,10 @@
#include "memory.h"
#include <kstat.h>
static inline void kstatFreeWrap(kstat_ctl_t** pkc)
{
assert(pkc);
if (*pkc)
kstat_close(*pkc);
}
#include <unistd.h>
const char* ffDetectMemory(FFMemoryResult* ram)
{
__attribute__((__cleanup__(kstatFreeWrap))) kstat_ctl_t* kc = kstat_open();
if (!kc)
return "kstat_open() failed";
kstat_t* ks = kstat_lookup(kc, "unix", -1, "system_pages");
if (!ks)
return "kstat_lookup() failed";
if (kstat_read(kc, ks, NULL) < 0)
return "kstat_read() failed";
{
kstat_named_t* kn = kstat_data_lookup(ks, "pagestotal");
ram->bytesTotal = kn->value.ui64 * instance.state.platform.sysinfo.pageSize;
}
{
kstat_named_t* kn = kstat_data_lookup(ks, "pagesfree");
ram->bytesUsed = ram->bytesTotal - kn->value.ui64 * instance.state.platform.sysinfo.pageSize;
}
ram->bytesTotal = sysconf(_SC_PHYS_PAGES) * instance.state.platform.sysinfo.pageSize;
ram->bytesUsed = ram->bytesTotal - sysconf(_SC_AVPHYS_PAGES) * instance.state.platform.sysinfo.pageSize;
return NULL;
}