Update.

	* sysdeps/unix/sysv/linux/setegid.c [HAVE_PTR__NPTL_SETXID]: Call
	callback to set IDs in all other threads as well.
	* sysdeps/unix/sysv/linux/seteuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setegid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/seteuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setgid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setreuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setreuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setresuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setresuid.c: Likewise.
	* sysdeps/unix/sysv/linux/setuid.c: New file.
	* sysdeps/unix/sysv/linux/setgid.c: New file.
	* sysdeps/unix/sysv/linux/setreuid.c: New file.
	* sysdeps/unix/sysv/linux/setregid.c: New file.
	* sysdeps/unix/sysv/linux/setresuid.c: New file.
	* sysdeps/unix/sysv/linux/setresgid.c: New file.
	* sysdeps/unix/sysv/linux/i386/sysdep.h: Define INTERNAL_SYSCALL_NCS.
	* sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c: Use x86 version.
	* sysdeps/unix/sysv/linux/sparc/sparc32/seteuid.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/setresgid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/setresuid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list: Remove setresgid
	and setresuid.
	* nscd/aicache.c: Use pthread_seteuid_np instead of seteuid.
	* nscd/grpcache.c: Likewise.
	* nscd/hstcache.c: Likewise.
	* nscd/pwdcache.c: Likewise.

1 files changed, 24 insertions, 4 deletions

diff --git a/sysdeps/unix/sysv/linux/i386/seteuid.c b/sysdeps/unix/sysv/linux/i386/seteuid.c
index 87e348a646..0abdac832f 100644
--- a/sysdeps/unix/sysv/linux/i386/seteuid.c
+++ b/sysdeps/unix/sysv/linux/i386/seteuid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 2000, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -22,6 +22,7 @@
 
 #include <sysdep.h>
 #include "kernel-features.h"
+#include <pthread-functions.h>
 
 
 #ifdef __NR_setresuid
@@ -31,10 +32,17 @@ extern int __setresuid (uid_t ruid, uid_t euid, uid_t suid);
 int
 seteuid (uid_t uid)
 {
+  int result;
+
+  if (uid == (uid_t) ~0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
 #if __ASSUME_32BITUIDS > 0
-  return INLINE_SYSCALL (setresuid32, 3, -1, uid, -1);
+  result = INLINE_SYSCALL (setresuid32, 3, -1, uid, -1);
 #else
-  int result;
   /* First try the syscall.  */
 # ifdef __NR_setresuid
   result = __setresuid (-1, uid, -1);
@@ -48,8 +56,20 @@ seteuid (uid_t uid)
        equal to the real user ID, making it impossible to switch back.  */
 # endif
     result = __setreuid (-1, uid);
+#endif
 
-  return result;
+#if defined HAVE_PTR__NPTL_SETXID && !defined SINGLE_THREAD
+  if (result == 0 && __libc_pthread_functions.ptr__nptl_setxid != NULL)
+    {
+      struct xid_command cmd;
+      cmd.syscall_no = __NR_setresuid32;
+      cmd.id[0] = -1;
+      cmd.id[1] = uid;
+      cmd.id[2] = -1;
+      __libc_pthread_functions.ptr__nptl_setxid (&cmd);
+    }
 #endif
+
+  return result;
 }
 libc_hidden_def (seteuid)