#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
#include "syscall.h"
int fchown(int fd, uid_t uid, gid_t gid)
{
- return syscall3(__NR_fchown32, fd, uid, gid);
+ int ret = __syscall(SYS_fchown, fd, uid, gid);
+ if (ret != -EBADF || __syscall(SYS_fcntl, fd, F_GETFD) < 0)
+ return __syscall_ret(ret);
+
+ char buf[15+3*sizeof(int)];
+ __procfdname(buf, fd);
+#ifdef SYS_chown
+ return syscall(SYS_chown, buf, uid, gid);
+#else
+ return syscall(SYS_fchownat, AT_FDCWD, buf, uid, gid, 0);
+#endif
+
}