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#include "node.h"
#include "platform.h"
#include <unistd.h> /* getpagesize() */
#include <stdlib.h> /* getexecname() */
#include <strings.h> /* strncpy() */
#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 {
char** OS::SetupArgs(int argc, char *argv[]) {
return argv;
}
void OS::SetProcessTitle(char *title) {
;
}
const char* OS::GetProcessTitle(int *len) {
*len = 0;
return NULL;
}
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;
}
int OS::GetExecutablePath(char* buffer, size_t* size) {
const char *execname = getexecname();
if (!execname) return -1;
if (execname[0] == '/') {
char *result = strncpy(buffer, execname, *size);
*size = strlen(result);
} else {
char *result = getcwd(buffer, *size);
if (!result) return -1;
result = strncat(buffer, "/", *size);
if (!result) return -1;
result = strncat(buffer, execname, *size);
if (!result) return -1;
*size = strlen(result);
}
return 0;
}
} // namespace node
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