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Swap (DragonFly): add support

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This commit is contained in:
李通洲
2025-06-04 20:18:20 +08:00
parent 6a42588786
commit d89263c218
1 changed files with 46 additions and 6 deletions
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src/detection/swap/swap_bsd.c
+46 -6
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@@ -3,6 +3,47 @@
#include <vm/vm_param.h>
#include <sys/stat.h>
#include <sys/param.h>
static void addSwapEntry(FFlist* result, struct xswdev* xsw, uint32_t pageSize)
{
if (xsw->xsw_nblks == 0) // DFBSD reports some /dev/wdog devices with nblks == 0
return;
FFSwapResult* swap = ffListAdd(result);
if (xsw->xsw_dev == NODEV)
ffStrbufInitStatic(&swap->name, "[NFS]");
else
ffStrbufInitF(&swap->name, "/dev/%s", devname(xsw->xsw_dev, S_IFCHR));
swap->bytesUsed = (uint64_t) xsw->xsw_used * pageSize;
swap->bytesTotal = (uint64_t) xsw->xsw_nblks * pageSize;
}
#if __DragonFly__
const char* ffDetectSwap(FFlist* result)
{
struct xswdev xsws[32];
size_t size = sizeof(xsws);
if (sysctlbyname("vm.swap_info_array", xsws, &size, NULL, 0) < 0)
return "sysctlbyname(\"vm.swap_info_array\") failed";
uint32_t pageSize = instance.state.platform.sysinfo.pageSize;
size_t count = size / sizeof(struct xswdev);
if (count == 0)
return NULL;
if (xsws->xsw_version != XSWDEV_VERSION)
return "xswdev version mismatch";
for (uint32_t i = 0; i < count; ++i)
addSwapEntry(result, &xsws[i], pageSize);
return NULL;
}
#elif __FreeBSD__
const char* ffDetectSwap(FFlist* result)
{
@@ -12,7 +53,7 @@ const char* ffDetectSwap(FFlist* result)
return "sysctlnametomib(\"vm.swap_info\") failed";
uint32_t pageSize = instance.state.platform.sysinfo.pageSize;
for (int n = 0; ; ++n)
{
mib[mibsize] = n;
@@ -22,12 +63,11 @@ const char* ffDetectSwap(FFlist* result)
break;
if (xsw.xsw_version != XSWDEV_VERSION)
return "xswdev version mismatch";
FFSwapResult* swap = ffListAdd(result);
ffStrbufInitF(&swap->name, "/dev/%s", devname(xsw.xsw_dev, S_IFCHR));
swap->bytesUsed = (uint64_t) xsw.xsw_used * pageSize;
swap->bytesTotal = (uint64_t) xsw.xsw_nblks * pageSize;
addSwapEntry(result, &xsw, pageSize);
}
return NULL;
}
#endif