* sysdeps/unix/sysv/linux/pselect.c (__pselect): Allow actual

	system call code to be redefined in macro CALL_PSELECT6.
	* sysdeps/unix/sysv/linux/i386/Makefile [subdir=misc]
	(sysdep_routines): Add call_pselect6.
	* sysdeps/unix/sysv/linux/i386/call_pselect6.c: New file.
	* sysdeps/unix/sysv/linux/i386/pselect.c: New file.
	* misc/Makefile (tests): Add tst-pselect.
	* misc/tst-pselect.c: New file.

	* sysdeps/unix/sysv/linux/pselect.c: Fix typo in declaration.

	* sysdeps/unix/sysv/linux/xmknodat.c (__xmknodat): Cast k_dev
	value to unsigned int to match kernel.

4 files changed, 98 insertions, 7 deletions

diff --git a/sysdeps/unix/sysv/linux/i386/Makefile b/sysdeps/unix/sysv/linux/i386/Makefile
index 7db3e3eeac..9e84975635 100644
--- a/sysdeps/unix/sysv/linux/i386/Makefile
+++ b/sysdeps/unix/sysv/linux/i386/Makefile
@@ -1,5 +1,5 @@
 ifeq ($(subdir),misc)
-sysdep_routines += ioperm iopl vm86
+sysdep_routines += ioperm iopl vm86 call_pselect6
 sysdep_headers += sys/elf.h sys/perm.h sys/reg.h sys/vm86.h sys/debugreg.h sys/io.h
 endif
 
diff --git a/sysdeps/unix/sysv/linux/i386/call_pselect6.S b/sysdeps/unix/sysv/linux/i386/call_pselect6.S
new file mode 100644
index 0000000000..a356f1dfa9
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/call_pselect6.S
@@ -0,0 +1,65 @@
+/* Copyright (C) 2006 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2006.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+
+#ifdef __NR_pselect6
+	.text
+ENTRY(__call_pselect6)
+	.hidden __call_pselect6
+	pushl	%ebx
+	cfi_adjust_cfa_offset (4)
+	pushl	%esi
+	cfi_adjust_cfa_offset (4)
+	pushl	%edi
+	cfi_adjust_cfa_offset (4)
+	pushl	%ebp
+	cfi_adjust_cfa_offset (4)
+	cfi_rel_offset (ebp, 0)
+	cfi_rel_offset (edi, 4)
+	cfi_rel_offset (esi, 8)
+	cfi_rel_offset (ebx, 12)
+
+	movl	$__NR_pselect6, %eax
+	movl	20(%esp), %ebx
+	movl	24(%esp), %ecx
+	movl	28(%esp), %edx
+	movl	32(%esp), %esi
+	movl	36(%esp), %edi
+	movl	40(%esp), %ebp
+
+	/* The syscall handling cannot handle 6 parameters.  Yet.  */
+	int	$0x80
+
+	popl	%ebp
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (ebp)
+	popl	%edi
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (edi)
+	popl	%esi
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (esi)
+	popl	%ebx
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (ebx)
+
+	ret
+END(__call_pselect6)
+#endif
diff --git a/sysdeps/unix/sysv/linux/i386/pselect.c b/sysdeps/unix/sysv/linux/i386/pselect.c
new file mode 100644
index 0000000000..2646608786
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/pselect.c
@@ -0,0 +1,18 @@
+#include <sys/select.h>
+
+extern int __call_pselect6 (int nfds, fd_set *readfds, fd_set *writefds,
+			    fd_set *exceptfds, const struct timespec *timeout,
+			    void *data) attribute_hidden;
+
+
+#define CALL_PSELECT6(nfds, readfds, writefds, exceptfds, timeout, data) \
+  ({ int r = __call_pselect6 (nfds, readfds, writefds, exceptfds, timeout,    \
+			      data);					      \
+     if (r < 0 && r > -4096)						      \
+       {								      \
+	 __set_errno (-r);						      \
+	 r = -1;							      \
+       }								      \
+     r; })
+
+#include "../pselect.c"
diff --git a/sysdeps/unix/sysv/linux/pselect.c b/sysdeps/unix/sysv/linux/pselect.c
index 6fd4d3e071..0dd744f527 100644
--- a/sysdeps/unix/sysv/linux/pselect.c
+++ b/sysdeps/unix/sysv/linux/pselect.c
@@ -29,7 +29,7 @@
 static int __generic_pselect (int nfds, fd_set *readfds, fd_set *writefds,
 			      fd_set *exceptfds,
 			      const struct timespec *timeout,
-			      const sigset_t *sigmask)
+			      const sigset_t *sigmask);
 
 
 int
@@ -51,7 +51,7 @@ __pselect (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
      be created.  */
   struct
   {
-    sigset_t *ss;
+    const sigset_t *ss;
     size_t ss_len;
   } data;
 
@@ -60,15 +60,21 @@ __pselect (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
 
   int result;
 
+#ifndef CALL_PSELECT6
+# define CALL_PSELECT6(nfds, readfds, writefds, exceptfds, timeout, data) \
+  INLINE_SYSCALL (pselect6, 6, nfds, readfds, writefds, exceptfds,	      \
+		  timeout, data)
+#endif
+
   if (SINGLE_THREAD_P)
-    result = INLINE_SYSCALL (pselect6, 6, nfds, readfds, writefds, exceptfds,
-			     timeout, &data);
+    result = CALL_PSELECT6 (nfds, readfds, writefds, exceptfds, timeout,
+			    &data);
   else
     {
       int oldtype = LIBC_CANCEL_ASYNC ();
 
-      result = INLINE_SYSCALL (pselect6, 6, nfds, readfds, writefds, exceptfds,
-			       timeout, &data);
+      result = CALL_PSELECT6 (nfds, readfds, writefds, exceptfds, timeout,
+			      &data);
 
       LIBC_CANCEL_RESET (oldtype);
     }
@@ -81,6 +87,8 @@ __pselect (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
 
   return result;
 }
+weak_alias (__pselect, pselect)
+strong_alias (__pselect, __libc_pselect)
 
 # ifndef __ASSUME_PSELECT
 #  define __pselect static __generic_pselect