diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/local-setxid.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/local-setxid.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/local-setxid.h b/sysdeps/unix/sysv/linux/local-setxid.h new file mode 100644 index 0000000000..0579687982 --- /dev/null +++ b/sysdeps/unix/sysv/linux/local-setxid.h @@ -0,0 +1,23 @@ +/* SETxID functions which only have to change the local thread and + none of the possible other threads. */ +#include <kernel-features.h> +#include <sysdep.h> + +/* If we can use the syscall directly, use it. */ +#if __ASSUME_32BITUIDS > 0 && defined __NR_setresuid32 +# define local_seteuid(id) INLINE_SYSCALL (setresuid32, 3, -1, id, -1) +#elif __ASSUME_SETRESUID_SYSCALL > 0 +# define local_seteuid(id) INLINE_SYSCALL (setresuid, 3, -1, id, -1) +#else +# define local_seteuid(id) seteuid (id) +#endif + + +/* If we can use the syscall directly, use it. */ +#if __ASSUME_32BITUIDS > 0 && defined __NR_setresgid32 +# define local_setegid(id) INLINE_SYSCALL (setresgid32, 3, -1, id, -1) +#elif __ASSUME_SETRESGID_SYSCALL > 0 +# define local_setegid(id) INLINE_SYSCALL (setresgid, 3, -1, id, -1) +#else +# define local_setegid(id) setegid (id) +#endif |