sysdeps/unix/sysv/linux/local-setxid.h

   1 /* SETxID functions which only have to change the local thread and
   2    none of the possible other threads.  */
   3 #include <kernel-features.h>
   4 #include <sysdep.h>
   5
   6 /* If we can use the syscall directly, use it.  */
   7 #if __ASSUME_32BITUIDS > 0 && defined __NR_setresuid32
   8 # define local_seteuid(id) INLINE_SYSCALL (setresuid32, 3, -1, id, -1)
   9 #elif __ASSUME_SETRESUID_SYSCALL > 0
  10 # define local_seteuid(id) INLINE_SYSCALL (setresuid, 3, -1, id, -1)
  11 #else
  12 # define local_seteuid(id) seteuid (id)
  13 #endif
  14
  15
  16 /* If we can use the syscall directly, use it.  */
  17 #if __ASSUME_32BITUIDS > 0 && defined __NR_setresgid32
  18 # define local_setegid(id) INLINE_SYSCALL (setresgid32, 3, -1, id, -1)
  19 #elif __ASSUME_SETRESGID_SYSCALL > 0
  20 # define local_setegid(id) INLINE_SYSCALL (setresgid, 3, -1, id, -1)
  21 #else
  22 # define local_setegid(id) setegid (id)
  23 #endif