Backported selected fixes from 2007-05-{17,18,21}.cvs/fedora-glibc-2_6-2

10 files changed, 176 insertions, 6 deletions

diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index a063b33389..f59e340f8e 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -13,7 +13,7 @@ endif
 
 ifeq ($(subdir),misc)
 sysdep_routines += sysctl clone llseek umount umount2 readahead \
-		   setfsuid setfsgid makedev
+		   setfsuid setfsgid makedev epoll_pwait
 
 CFLAGS-gethostid.c = -fexceptions
 
diff --git a/sysdeps/unix/sysv/linux/epoll_pwait.c b/sysdeps/unix/sysv/linux/epoll_pwait.c
new file mode 100644
index 0000000000..e689073d18
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/epoll_pwait.c
@@ -0,0 +1,69 @@
+/* Copyright (C) 2007 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
+   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 <errno.h>
+#include <signal.h>
+#include <unistd.h>
+#include <sys/epoll.h>
+
+#include <sysdep-cancel.h>
+#include <sys/syscall.h>
+
+#ifdef __NR_epoll_pwait
+
+/* Wait for events on an epoll instance "epfd". Returns the number of
+   triggered events returned in "events" buffer. Or -1 in case of
+   error with the "errno" variable set to the specific error code. The
+   "events" parameter is a buffer that will contain triggered
+   events. The "maxevents" is the maximum number of events to be
+   returned ( usually size of "events" ). The "timeout" parameter
+   specifies the maximum wait time in milliseconds (-1 == infinite).
+   The thread's signal mask is temporarily and atomically replaced with
+   the one provided as parameter.  */
+
+int epoll_pwait (int epfd, struct epoll_event *events,
+		 int maxevents, int timeout,
+		 const sigset_t *set)
+{
+  if (SINGLE_THREAD_P)
+    return INLINE_SYSCALL (epoll_pwait, 6, epfd, events, maxevents, timeout,
+			   set, _NSIG / 8);
+
+  int oldtype = LIBC_CANCEL_ASYNC ();
+
+  int result = INLINE_SYSCALL (epoll_pwait, 6, epfd, events, maxevents,
+			       timeout, set, _NSIG / 8);
+
+  LIBC_CANCEL_RESET (oldtype);
+
+  return result;
+}
+
+#else
+
+int epoll_pwait (int epfd, struct epoll_event *events,
+		 int maxevents, int timeout,
+		 const sigset_t *set)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (epoll_pwait)
+
+# include <stub-tag.h>
+#endif
diff --git a/sysdeps/unix/sysv/linux/i386/epoll_pwait.S b/sysdeps/unix/sysv/linux/i386/epoll_pwait.S
new file mode 100644
index 0000000000..5f51db229f
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/epoll_pwait.S
@@ -0,0 +1,80 @@
+/* Copyright (C) 2007 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
+   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>
+#define _ERRNO_H
+#include <bits/errno.h>
+#define _SIGNAL_H
+#include <bits/signum.h>
+
+
+	.text
+ENTRY (epoll_pwait)
+
+#ifdef __NR_epoll_pwait
+
+	/* Save registers.  */
+	pushl %ebp
+	cfi_adjust_cfa_offset (4)
+	pushl %ebx
+	cfi_adjust_cfa_offset (4)
+	pushl %esi
+	cfi_adjust_cfa_offset (4)
+	pushl %edi
+	cfi_adjust_cfa_offset (4)
+	cfi_rel_offset (edi, 0)
+	cfi_rel_offset (esi, 4)
+	cfi_rel_offset (ebx, 8)
+	cfi_rel_offset (ebp, 12)
+
+	movl 20(%esp), %ebx
+	movl 24(%esp), %ecx
+	movl 28(%esp), %edx
+	movl 32(%esp), %esi
+	movl 36(%esp), %edi
+	movl $_NSIG/8, %ebp
+	movl $__NR_epoll_pwait, %eax
+
+	ENTER_KERNEL
+
+	/* Restore registers.  */
+	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)
+	popl %ebp
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (ebp)
+
+	/* If 0 > %eax > -4096 there was an error.  */
+	cmpl $-4096, %eax
+	ja SYSCALL_ERROR_LABEL
+
+	/* Successful; return the syscall's value.  */
+#else
+	movl $-ENOSYS, %eax
+	jmp SYSCALL_ERROR_LABEL
+#endif
+L(pseudo_end):
+	ret
+PSEUDO_END (epoll_pwait)
diff --git a/sysdeps/unix/sysv/linux/i386/sync_file_range.S b/sysdeps/unix/sysv/linux/i386/sync_file_range.S
index f39e8a00d7..8544703d56 100644
--- a/sysdeps/unix/sysv/linux/i386/sync_file_range.S
+++ b/sysdeps/unix/sysv/linux/i386/sync_file_range.S
@@ -1,5 +1,5 @@
 /* Selective file content synch'ing.
-   Copyright (C) 2006 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2007 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
@@ -63,10 +63,10 @@ ENTRY (sync_file_range)
 
 	cmpl	$-4095, %eax
 	jae	SYSCALL_ERROR_LABEL
-L(pseudo_end):
-	ret
 #else
 	movl	$-ENOSYS, %eax
 	jmp	SYSCALL_ERROR_LABEL
 #endif
+L(pseudo_end):
+	ret
 PSEUDO_END (sync_file_range)
diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list
index d1226ef82b..e16110480f 100644
--- a/sysdeps/unix/sysv/linux/syscalls.list
+++ b/sysdeps/unix/sysv/linux/syscalls.list
@@ -10,7 +10,6 @@ delete_module	EXTRA	delete_module	3	delete_module
 epoll_create	EXTRA	epoll_create	i:i	epoll_create
 epoll_ctl	EXTRA	epoll_ctl	i:iiip	epoll_ctl
 epoll_wait	EXTRA	epoll_wait	Ci:ipii	epoll_wait
-epoll_pwait	EXTRA	epoll_pwait	Ci:ipiipi	epoll_pwait
 fdatasync	-	fdatasync	Ci:i	fdatasync
 flock		-	flock		i:ii	__flock		flock
 fork		-	fork		i:	__libc_fork	__fork fork
diff --git a/sysdeps/unix/sysv/linux/x86_64/sys/epoll.h b/sysdeps/unix/sysv/linux/x86_64/sys/epoll.h
index 02672d3c75..26f23da403 100644
--- a/sysdeps/unix/sysv/linux/x86_64/sys/epoll.h
+++ b/sysdeps/unix/sysv/linux/x86_64/sys/epoll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002,2003,2004,2005,2006 Free Software Foundation, Inc.
+/* Copyright (C) 2002,2003,2004,2005,2006,2007 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 +22,14 @@
 #include <stdint.h>
 #include <sys/types.h>
 
+/* Get __sigset_t.  */
+#include <bits/sigset.h>
+
+#ifndef __sigset_t_defined
+# define __sigset_t_defined
+typedef __sigset_t sigset_t;
+#endif
+
 
 enum EPOLL_EVENTS
   {
@@ -105,6 +113,16 @@ extern int epoll_ctl (int __epfd, int __op, int __fd,
 extern int epoll_wait (int __epfd, struct epoll_event *__events,
 		       int __maxevents, int __timeout);
 
+
+/* Same as epoll_wait, but the thread's signal mask is temporarily
+   and atomically replaced with the one provided as parameter.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern int epoll_pwait (int __epfd, struct epoll_event *__events,
+			int __maxevents, int __timeout,
+			__const __sigset_t *__ss);
+
 __END_DECLS
 
 #endif /* sys/epoll.h */
diff --git a/sysdeps/x86_64/fpu/k_cosl.c b/sysdeps/x86_64/fpu/k_cosl.c
new file mode 100644
index 0000000000..eea55a98d2
--- /dev/null
+++ b/sysdeps/x86_64/fpu/k_cosl.c
@@ -0,0 +1 @@
+/*  Not needed.  */
diff --git a/sysdeps/x86_64/fpu/k_rem_pio2l.c b/sysdeps/x86_64/fpu/k_rem_pio2l.c
new file mode 100644
index 0000000000..eea55a98d2
--- /dev/null
+++ b/sysdeps/x86_64/fpu/k_rem_pio2l.c
@@ -0,0 +1 @@
+/*  Not needed.  */
diff --git a/sysdeps/x86_64/fpu/k_sinl.c b/sysdeps/x86_64/fpu/k_sinl.c
new file mode 100644
index 0000000000..eea55a98d2
--- /dev/null
+++ b/sysdeps/x86_64/fpu/k_sinl.c
@@ -0,0 +1 @@
+/*  Not needed.  */
diff --git a/sysdeps/x86_64/fpu/k_tanl.c b/sysdeps/x86_64/fpu/k_tanl.c
new file mode 100644
index 0000000000..eea55a98d2
--- /dev/null
+++ b/sysdeps/x86_64/fpu/k_tanl.c
@@ -0,0 +1 @@
+/*  Not needed.  */