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#include "node.h"
#include "platform.h"
#include <unistd.h> /* getpagesize() */
#if (!defined(_LP64)) && (_FILE_OFFSET_BITS - 0 == 64)
#define PROCFS_FILE_OFFSET_BITS_HACK 1
#undef _FILE_OFFSET_BITS
#else
#define PROCFS_FILE_OFFSET_BITS_HACK 0
#endif
#include <procfs.h>
#if (PROCFS_FILE_OFFSET_BITS_HACK - 0 == 1)
#define _FILE_OFFSET_BITS 64
#endif
namespace node {
int OS::GetMemory(size_t *rss, size_t *vsize) {
pid_t pid = getpid();
size_t page_size = getpagesize();
char pidpath[1024];
sprintf(pidpath, "/proc/%d/psinfo", pid);
psinfo_t psinfo;
FILE *f = fopen(pidpath, "r");
if (!f) return -1;
if (fread(&psinfo, sizeof(psinfo_t), 1, f) != 1) {
fclose (f);
return -1;
}
/* XXX correct? */
*vsize = (size_t) psinfo.pr_size * page_size;
*rss = (size_t) psinfo.pr_rssize * 1024;
fclose (f);
return 0;
}
} // namespace node