#include <unistd.h>
#include <errno.h>
+#include <fcntl.h>
#include "syscall.h"
void __procfdname(char *, unsigned);
int fchown(int fd, uid_t uid, gid_t gid)
{
int ret = __syscall(SYS_fchown, fd, uid, gid);
- if (ret != -EBADF || fd < 0) return __syscall_ret(ret);
+ if (ret != -EBADF || __syscall(SYS_fcntl, fd, F_GETFD) < 0)
+ return __syscall_ret(ret);
char buf[15+3*sizeof(int)];
__procfdname(buf, fd);