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#include <errno.h>
#include "runtime.h"
#include "arch.h"
#include "malloc.h"
void*
runtime_SysAlloc(uintptr n)
{
void *p;
mstats.sys += n;
errno = posix_memalign(&p, PageSize, n);
if (errno > 0) {
perror("posix_memalign");
exit(2);
}
return p;
}
void
runtime_SysUnused(void *v, uintptr n)
{
USED(v);
USED(n);
// TODO(rsc): call madvise MADV_DONTNEED
}
void
runtime_SysFree(void *v, uintptr n)
{
mstats.sys -= n;
free(v);
}
void*
runtime_SysReserve(void *v, uintptr n)
{
USED(v);
return runtime_SysAlloc(n);
}
void
runtime_SysMap(void *v, uintptr n)
{
USED(v);
USED(n);
}
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