7 files changed, 20 insertions, 26 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/setegid.c b/sysdeps/unix/sysv/linux/i386/setegid.c
index 4dc79c7936..fcd6cf1827 100644
--- a/sysdeps/unix/sysv/linux/i386/setegid.c
+++ b/sysdeps/unix/sysv/linux/i386/setegid.c
@@ -39,7 +39,7 @@ setegid (gid)
   /* First try the syscall.  */
 # ifdef __NR_setresgid
   result = __setresgid (-1, gid, -1);
-#  if __ASSUME_SETRESUID_SYSCALL > 0
+#  if __ASSUME_SETRESGID_SYSCALL > 0
   if (0)
 #  else
   if (result == -1 && errno == ENOSYS)
diff --git a/sysdeps/unix/sysv/linux/i386/setregid.c b/sysdeps/unix/sysv/linux/i386/setregid.c
index 343bbf4b40..05ed05bbc8 100644
--- a/sysdeps/unix/sysv/linux/i386/setregid.c
+++ b/sysdeps/unix/sysv/linux/i386/setregid.c
@@ -42,15 +42,15 @@ int
 __setregid (gid_t rgid, gid_t egid)
 {
 #if __ASSUME_32BITUIDS > 0
-  return INLINE_SYSCALL (setresgid32, 3, rgid, egid, -1);
+  return INLINE_SYSCALL (setregid32, 2, rgid, egid);
 #else
-# ifdef __NR_setresgid32
+# ifdef __NR_setregid32
   if (__libc_missing_32bit_uids <= 0)
     {
       int result;
       int saved_errno = errno;
 
-      result = INLINE_SYSCALL (setresgid32, 3, rgid, egid, -1);
+      result = INLINE_SYSCALL (setregid32, 2, rgid, egid);
 
       if (result == 0 || errno != ENOSYS)
 	return result;
@@ -66,13 +66,7 @@ __setregid (gid_t rgid, gid_t egid)
       return -1;
     }
 
-# ifdef __NR_setresgid
-  int result = INLINE_SYSCALL (setresgid, 3, rgid, egid, -1);
-# endif
-  if (result == -1 && errno == ENOSYS)
-    result = INLINE_SYSCALL (setregid, 2, rgid, egid);
-
-  return result;
+  return INLINE_SYSCALL (setregid, 2, rgid, egid);
 #endif
 }
 weak_alias (__setregid, setregid)
diff --git a/sysdeps/unix/sysv/linux/i386/setreuid.c b/sysdeps/unix/sysv/linux/i386/setreuid.c
index 0867170e49..efd51dffd8 100644
--- a/sysdeps/unix/sysv/linux/i386/setreuid.c
+++ b/sysdeps/unix/sysv/linux/i386/setreuid.c
@@ -42,15 +42,15 @@ int
 __setreuid (uid_t ruid, uid_t euid)
 {
 #if __ASSUME_32BITUIDS > 0
-  return INLINE_SYSCALL (setresuid32, 3, ruid, euid, -1);
+  return INLINE_SYSCALL (setreuid32, 2, ruid, euid);
 #else
-# ifdef __NR_setresuid32
+# ifdef __NR_setreuid32
   if (__libc_missing_32bit_uids <= 0)
     {
       int result;
       int saved_errno = errno;
 
-      result = INLINE_SYSCALL (setresuid32, 3, ruid, euid, -1);
+      result = INLINE_SYSCALL (setreuid32, 2, ruid, euid);
 
       if (result == 0 || errno != ENOSYS)
 	return result;
@@ -66,13 +66,7 @@ __setreuid (uid_t ruid, uid_t euid)
       return -1;
     }
 
-# ifdef __NR_setresuid
-  itn result = INLINE_SYSCALL (setresuid, 3, ruid, euid, -1);
-# endif
-  if (result == -1 && errno == ENOSYS)
-    result = INLINE_SYSCALL (setreuid, 2, ruid, euid);
-
-  return result;
+  return INLINE_SYSCALL (setreuid, 2, ruid, euid);
 #endif
 }
 weak_alias (__setreuid, setreuid)
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index a95559de94..e49d1f48a8 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -127,6 +127,10 @@
 # define __ASSUME_SETRESUID_SYSCALL	1
 #endif
 
+#if __LINUX_KERNEL_VERSION >= 131879
+# define __ASSUME_SETRESGID_SYSCALL	1
+#endif
+
 /* Linux 2.3.39 introduced IPC64.  Except for powerpc.  */
 #if __LINUX_KERNEL_VERSION >= 131879 && !defined __powerpc__
 # define __ASSUME_IPC64		1
diff --git a/sysdeps/unix/sysv/linux/setegid.c b/sysdeps/unix/sysv/linux/setegid.c
index 6643a9da79..34e64a3dee 100644
--- a/sysdeps/unix/sysv/linux/setegid.c
+++ b/sysdeps/unix/sysv/linux/setegid.c
@@ -24,7 +24,7 @@
 #include <sysdep.h>
 #include "kernel-features.h"
 
-#if defined __NR_setresgid || __ASSUME_SETRESUID_SYSCALL > 0
+#if defined __NR_setresgid || __ASSUME_SETRESGID_SYSCALL > 0
 
 extern int __setresgid (gid_t rgid, gid_t egid, gid_t sgid);
 
@@ -39,12 +39,12 @@ setegid (gid_t gid)
       return -1;
     }
 
-# if __ASSUME_32BITUIDS > 0
+# if __ASSUME_32BITUIDS > 0 && defined __NR_setresgid32
   return INLINE_SYSCALL (setresgid32, 3, -1, gid, -1);
 # else
   /* First try the syscall.  */
   result = __setresgid (-1, gid, -1);
-#  if __ASSUME_SETRESUID_SYSCALL == 0
+#  if __ASSUME_SETRESGID_SYSCALL == 0
   if (result == -1 && errno == ENOSYS)
     /* No system call available.  Use emulation.  This may not work
        since `setregid' also sets the saved group ID when GID is not
diff --git a/sysdeps/unix/sysv/linux/seteuid.c b/sysdeps/unix/sysv/linux/seteuid.c
index 6570740af7..a1832d64bc 100644
--- a/sysdeps/unix/sysv/linux/seteuid.c
+++ b/sysdeps/unix/sysv/linux/seteuid.c
@@ -39,7 +39,7 @@ seteuid (uid_t uid)
       return -1;
     }
 
-# if __ASSUME_32BITUIDS > 0
+# if __ASSUME_32BITUIDS > 0 && defined __NR_setresuid32
   return INLINE_SYSCALL (setresuid32, 3, -1, uid, -1);
 # else
   /* First try the syscall.  */
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c b/sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c
index 11643f6d39..96f807484d 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000, 2003 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
@@ -38,11 +38,13 @@ setegid (gid_t gid)
 
   /* First try the syscall.  */
   result = __setresgid (-1, gid, -1);
+# if __ASSUME_SETRESGID_SYSCALL == 0
   if (result == -1 && errno == ENOSYS)
     /* No system call available.  Use emulation.  This may not work
        since `setregid' also sets the saved group ID when GID is not
        equal to the real group ID, making it impossible to switch back. */
     result = __setregid (-1, gid);
+# endif
 
   return result;
 }