From 846c6907d02ba2d8027e2053abb3d7ec017d9191 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 20 Jul 2002 17:31:30 +0000 Subject: Update. * sysdeps/unix/sysv/linux/ldsodefs.h (HAVE_AUX_XID): Define if __ASSUME_AT_XID is defined. * sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_AT_XID): Define for 2.4.1 and up. * sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Optimize handling of AT_UID, AT_EUID, AT_GID, and AT_EGID. --- sysdeps/unix/sysv/linux/kernel-features.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'sysdeps/unix/sysv/linux/kernel-features.h') diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h index 562a6c7654..927701a662 100644 --- a/sysdeps/unix/sysv/linux/kernel-features.h +++ b/sysdeps/unix/sysv/linux/kernel-features.h @@ -171,6 +171,12 @@ # define __ASSUME_AT_PAGESIZE 1 #endif +/* Starting with at least 2.4.0 the kernel passes the uid/gid unconditionally + up to the child. */ +#if __LINUX_KERNEL_VERSION >= 132097 +# define __ASSUME_AT_XID 1 +#endif + /* Starting with 2.4.5 kernels PPC passes the AUXV in the standard way and the mmap2 syscall made it into the official kernel. */ #if __LINUX_KERNEL_VERSION >= (132096+5) && defined __powerpc__ -- cgit v1.2.3