1#include <sys/stat.h>
2#include <errno.h>
3#include <fcntl.h>
4#include "syscall.h"
5
6void __procfdname(char *, unsigned);
7
8int fchmod(int fd, mode_t mode)
9{
10	int ret = __syscall(SYS_fchmod, fd, mode);
11	if (ret != -EBADF || __syscall(SYS_fcntl, fd, F_GETFD) < 0)
12		return __syscall_ret(ret);
13
14	char buf[15+3*sizeof(int)];
15	__procfdname(buf, fd);
16#ifdef SYS_chmod
17	return syscall(SYS_chmod, buf, mode);
18#else
19	return syscall(SYS_fchmodat, AT_FDCWD, buf, mode);
20#endif
21}
22