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